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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (209 commits)
  [SCSI] fix oops during scsi scanning
  [SCSI] libsrp: fix memory leak in srp_ring_free()
  [SCSI] libiscsi, bnx2i: make bound ep check common
  [SCSI] libiscsi: add completion function for drivers that do not need pdu processing
  [SCSI] scsi_dh_rdac: changes for rdac debug logging
  [SCSI] scsi_dh_rdac: changes to collect the rdac debug information during the initialization
  [SCSI] scsi_dh_rdac: move the init code from rdac_activate to rdac_bus_attach
  [SCSI] sg: fix oops in the error path in sg_build_indirect()
  [SCSI] mptsas : Bump version to 3.04.12
  [SCSI] mptsas : FW event thread and scsi mid layer deadlock in SYNCHRONIZE CACHE command
  [SCSI] mptsas : Send DID_NO_CONNECT for pending IOs of removed device
  [SCSI] mptsas : PAE Kernel more than 4 GB kernel panic
  [SCSI] mptsas : NULL pointer on big endian systems causing Expander not to tear off
  [SCSI] mptsas : Sanity check for phyinfo is added
  [SCSI] scsi_dh_rdac: Add support for Sun StorageTek ST2500, ST2510 and ST2530
  [SCSI] pmcraid: PMC-Sierra MaxRAID driver to support 6Gb/s SAS RAID controller
  [SCSI] qla2xxx: Update version number to 8.03.01-k6.
  [SCSI] qla2xxx: Properly delete rports attached to a vport.
  [SCSI] qla2xxx: Correct various NPIV issues.
  [SCSI] qla2xxx: Correct qla2x00_eh_wait_on_command() to wait correctly.
  ...
This commit is contained in:
Linus Torvalds 2009-09-14 17:53:36 -07:00
parent a9bbd210a4 ea038f63ac
commit 39695224bd
112 changed files with 14396 additions and 4886 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
MAINTAINERS
View File

@ -4009,6 +4009,14 @@ S: Maintained
F: drivers/block/pktcdvd.c
F: include/linux/pktcdvd.h
PMC SIERRA MaxRAID DRIVER
P: Anil Ravindranath
M: anil_ravindranath@pmc-sierra.com
L: linux-scsi@vger.kernel.org
W: http://www.pmc-sierra.com/
S: Supported
F: drivers/scsi/pmcraid.*
POSIX CLOCKS and TIMERS
M: Thomas Gleixner <tglx@linutronix.de>
S: Supported
@ -4447,7 +4455,7 @@ F: drivers/scsi/sg.c
F: include/scsi/sg.h
SCSI SUBSYSTEM
M: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
M: "James E.J. Bottomley" <James.Bottomley@suse.de>
L: linux-scsi@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6.git

8
arch/s390/include/asm/timex.h
View File

@ -88,6 +88,14 @@ int get_sync_clock(unsigned long long *clock);
void init_cpu_timer(void);
unsigned long long monotonic_clock(void);
void tod_to_timeval(__u64, struct timespec *);
static inline
void stck_to_timespec(unsigned long long stck, struct timespec *ts)
{
tod_to_timeval(stck - TOD_UNIX_EPOCH, ts);
}
extern u64 sched_clock_base_cc;
/**

8
arch/s390/kernel/debug.c
View File

@ -63,8 +63,6 @@ typedef struct
} debug_sprintf_entry_t;
extern void tod_to_timeval(uint64_t todval, struct timespec *xtime);
/* internal function prototyes */
static int debug_init(void);
@ -1450,17 +1448,13 @@ debug_dflt_header_fn(debug_info_t * id, struct debug_view *view,
int area, debug_entry_t * entry, char *out_buf)
{
struct timespec time_spec;
unsigned long long time;
char *except_str;
unsigned long caller;
int rc = 0;
unsigned int level;
level = entry->id.fields.level;
time = entry->id.stck;
/* adjust todclock to 1970 */
time -= 0x8126d60e46000000LL - (0x3c26700LL * 1000000 * 4096);
tod_to_timeval(time, &time_spec);
stck_to_timespec(entry->id.stck, &time_spec);
if (entry->id.fields.exception)
except_str = "*";

1
arch/s390/kernel/time.c
View File

@ -91,6 +91,7 @@ void tod_to_timeval(__u64 todval, struct timespec *xtime)
todval -= (sec * 1000000) << 12;
xtime->tv_nsec = ((todval * 1000) >> 12);
}
EXPORT_SYMBOL(tod_to_timeval);
void clock_comparator_work(void)
{

42
drivers/md/dm-mpath.c
View File

@ -64,6 +64,7 @@ struct multipath {
spinlock_t lock;
const char *hw_handler_name;
char *hw_handler_params;
unsigned nr_priority_groups;
struct list_head priority_groups;
unsigned pg_init_required; /* pg_init needs calling? */
@ -219,6 +220,7 @@ static void free_multipath(struct multipath *m)
}
kfree(m->hw_handler_name);
kfree(m->hw_handler_params);
mempool_destroy(m->mpio_pool);
kfree(m);
}
@ -615,6 +617,17 @@ static struct pgpath *parse_path(struct arg_set *as, struct path_selector *ps,
dm_put_device(ti, p->path.dev);
goto bad;
}
if (m->hw_handler_params) {
r = scsi_dh_set_params(q, m->hw_handler_params);
if (r < 0) {
ti->error = "unable to set hardware "
"handler parameters";
scsi_dh_detach(q);
dm_put_device(ti, p->path.dev);
goto bad;
}
}
}
r = ps->type->add_path(ps, &p->path, as->argc, as->argv, &ti->error);
@ -705,6 +718,7 @@ static struct priority_group *parse_priority_group(struct arg_set *as,
static int parse_hw_handler(struct arg_set *as, struct multipath *m)
{
unsigned hw_argc;
int ret;
struct dm_target *ti = m->ti;
static struct param _params[] = {
@ -726,17 +740,33 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m)
request_module("scsi_dh_%s", m->hw_handler_name);
if (scsi_dh_handler_exist(m->hw_handler_name) == 0) {
ti->error = "unknown hardware handler type";
kfree(m->hw_handler_name);
m->hw_handler_name = NULL;
return -EINVAL;
ret = -EINVAL;
goto fail;
}
if (hw_argc > 1)
DMWARN("Ignoring user-specified arguments for "
"hardware handler \"%s\"", m->hw_handler_name);
if (hw_argc > 1) {
char *p;
int i, j, len = 4;
for (i = 0; i <= hw_argc - 2; i++)
len += strlen(as->argv[i]) + 1;
p = m->hw_handler_params = kzalloc(len, GFP_KERNEL);
if (!p) {
ti->error = "memory allocation failed";
ret = -ENOMEM;
goto fail;
}
j = sprintf(p, "%d", hw_argc - 1);
for (i = 0, p+=j+1; i <= hw_argc - 2; i++, p+=j+1)
j = sprintf(p, "%s", as->argv[i]);
}
consume(as, hw_argc - 1);
return 0;
fail:
kfree(m->hw_handler_name);
m->hw_handler_name = NULL;
return ret;
}
static int parse_features(struct arg_set *as, struct multipath *m)

94
drivers/message/fusion/mptbase.c
View File

@ -1015,9 +1015,9 @@ mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
{
SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
pSge->Address.Low = cpu_to_le32
(lower_32_bits((unsigned long)(dma_addr)));
(lower_32_bits(dma_addr));
pSge->Address.High = cpu_to_le32
(upper_32_bits((unsigned long)dma_addr));
(upper_32_bits(dma_addr));
pSge->FlagsLength = cpu_to_le32
((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
}
@ -1038,8 +1038,8 @@ mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
u32 tmp;
pSge->Address.Low = cpu_to_le32
(lower_32_bits((unsigned long)(dma_addr)));
tmp = (u32)(upper_32_bits((unsigned long)dma_addr));
(lower_32_bits(dma_addr));
tmp = (u32)(upper_32_bits(dma_addr));
/*
* 1078 errata workaround for the 36GB limitation
@ -1101,7 +1101,7 @@ mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
pChain->NextChainOffset = next;
pChain->Address.Low = cpu_to_le32(tmp);
tmp = (u32)(upper_32_bits((unsigned long)dma_addr));
tmp = (u32)(upper_32_bits(dma_addr));
pChain->Address.High = cpu_to_le32(tmp);
}
@ -1297,12 +1297,8 @@ mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
psge = (char *)&ioc_init->HostPageBufferSGE;
flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
MPI_SGE_FLAGS_SYSTEM_ADDRESS |
MPI_SGE_FLAGS_32_BIT_ADDRESSING |
MPI_SGE_FLAGS_HOST_TO_IOC |
MPI_SGE_FLAGS_END_OF_BUFFER;
if (sizeof(dma_addr_t) == sizeof(u64)) {
flags_length |= MPI_SGE_FLAGS_64_BIT_ADDRESSING;
}
flags_length = flags_length << MPI_SGE_FLAGS_SHIFT;
flags_length |= ioc->HostPageBuffer_sz;
ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
@ -2224,8 +2220,6 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
int hard;
int rc=0;
int ii;
u8 cb_idx;
int handlers;
int ret = 0;
int reset_alt_ioc_active = 0;
int irq_allocated = 0;
@ -2548,34 +2542,6 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
mpt_get_manufacturing_pg_0(ioc);
}
/*
* Call each currently registered protocol IOC reset handler
* with post-reset indication.
* NOTE: If we're doing _IOC_BRINGUP, there can be no
* MptResetHandlers[] registered yet.
*/
if (hard_reset_done) {
rc = handlers = 0;
for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
if ((ret == 0) && MptResetHandlers[cb_idx]) {
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Calling IOC post_reset handler #%d\n",
ioc->name, cb_idx));
rc += mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
handlers++;
}
if (alt_ioc_ready && MptResetHandlers[cb_idx]) {
drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Calling IOC post_reset handler #%d\n",
ioc->alt_ioc->name, cb_idx));
rc += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_POST_RESET);
handlers++;
}
}
/* FIXME? Examine results here? */
}
out:
if ((ret != 0) && irq_allocated) {
free_irq(ioc->pci_irq, ioc);
@ -3938,6 +3904,7 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
int count = 0;
u32 diag1val = 0;
MpiFwHeader_t *cached_fw; /* Pointer to FW */
u8 cb_idx;
/* Clear any existing interrupts */
CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
@ -3956,6 +3923,18 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
else
mdelay(1);
/*
* Call each currently registered protocol IOC reset handler
* with pre-reset indication.
* NOTE: If we're doing _IOC_BRINGUP, there can be no
* MptResetHandlers[] registered yet.
*/
for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
if (MptResetHandlers[cb_idx])
(*(MptResetHandlers[cb_idx]))(ioc,
MPT_IOC_PRE_RESET);
}
for (count = 0; count < 60; count ++) {
doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
doorbell &= MPI_IOC_STATE_MASK;
@ -4052,25 +4031,15 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
* NOTE: If we're doing _IOC_BRINGUP, there can be no
* MptResetHandlers[] registered yet.
*/
{
u8 cb_idx;
int r = 0;
for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
if (MptResetHandlers[cb_idx]) {
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Calling IOC pre_reset handler #%d\n",
ioc->name, cb_idx));
r += mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
if (ioc->alt_ioc) {
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Calling alt-%s pre_reset handler #%d\n",
ioc->name, ioc->alt_ioc->name, cb_idx));
r += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_PRE_RESET);
}
for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
if (MptResetHandlers[cb_idx]) {
mpt_signal_reset(cb_idx,
ioc, MPT_IOC_PRE_RESET);
if (ioc->alt_ioc) {
mpt_signal_reset(cb_idx,
ioc->alt_ioc, MPT_IOC_PRE_RESET);
}
}
/* FIXME? Examine results here? */
}
if (ioc->cached_fw)
@ -6956,7 +6925,7 @@ EXPORT_SYMBOL(mpt_halt_firmware);
int
mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
{
int rc;
int rc;
u8 cb_idx;
unsigned long flags;
unsigned long time_count;
@ -6982,8 +6951,6 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
ioc->alt_ioc->ioc_reset_in_progress = 1;
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
/* FIXME: If do_ioc_recovery fails, repeat....
*/
/* The SCSI driver needs to adjust timeouts on all current
* commands prior to the diagnostic reset being issued.
@ -7020,6 +6987,15 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
}
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
if (MptResetHandlers[cb_idx]) {
mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
if (ioc->alt_ioc)
mpt_signal_reset(cb_idx,
ioc->alt_ioc, MPT_IOC_POST_RESET);
}
}
dtmprintk(ioc,
printk(MYIOC_s_DEBUG_FMT
"HardResetHandler: completed (%d seconds): %s\n", ioc->name,

21
drivers/message/fusion/mptbase.h
View File

@ -76,8 +76,8 @@
#define COPYRIGHT "Copyright (c) 1999-2008 " MODULEAUTHOR
#endif
#define MPT_LINUX_VERSION_COMMON "3.04.10"
#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.09"
#define MPT_LINUX_VERSION_COMMON "3.04.12"
#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.12"
#define WHAT_MAGIC_STRING "@" "(" "#" ")"
#define show_mptmod_ver(s,ver) \
@ -157,8 +157,9 @@
/*
* Try to keep these at 2^N-1
*/
#define MPT_FC_CAN_QUEUE 127
#define MPT_FC_CAN_QUEUE 1024
#define MPT_SCSI_CAN_QUEUE 127
#define MPT_SAS_CAN_QUEUE 127
/*
* Set the MAX_SGE value based on user input.
@ -879,23 +880,9 @@ typedef enum {
typedef struct _MPT_SCSI_HOST {
MPT_ADAPTER *ioc;
int port;
u32 pad0;
MPT_LOCAL_REPLY *pLocal; /* used for internal commands */
struct timer_list timer;
/* Pool of memory for holding SCpnts before doing
* OS callbacks. freeQ is the free pool.
*/
u8 negoNvram; /* DV disabled, nego NVRAM */
u8 pad1;
u8 rsvd[2];
MPT_FRAME_HDR *cmdPtr; /* Ptr to nonOS request */
struct scsi_cmnd *abortSCpnt;
MPT_LOCAL_REPLY localReply; /* internal cmd reply struct */
ushort sel_timeout[MPT_MAX_FC_DEVICES];
char *info_kbuf;
long last_queue_full;
u16 tm_iocstatus;
u16 spi_pending;
struct list_head target_reset_list;
} MPT_SCSI_HOST;

19
drivers/message/fusion/mptfc.c
View File

@ -1288,25 +1288,6 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
ioc->name, ioc->ScsiLookup));
/* Clear the TM flags
*/
hd->abortSCpnt = NULL;
/* Clear the pointer used to store
* single-threaded commands, i.e., those
* issued during a bus scan, dv and
* configuration pages.
*/
hd->cmdPtr = NULL;
/* Initialize this SCSI Hosts' timers
* To use, set the timer expires field
* and add_timer
*/
init_timer(&hd->timer);
hd->timer.data = (unsigned long) hd;
hd->timer.function = mptscsih_timer_expired;
hd->last_queue_full = 0;
sh->transportt = mptfc_transport_template;

62
drivers/message/fusion/mptsas.c
View File

@ -72,6 +72,7 @@
*/
#define MPTSAS_RAID_CHANNEL 1
#define SAS_CONFIG_PAGE_TIMEOUT 30
MODULE_AUTHOR(MODULEAUTHOR);
MODULE_DESCRIPTION(my_NAME);
MODULE_LICENSE("GPL");
@ -324,7 +325,6 @@ mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
{
struct fw_event_work *fw_event, *next;
struct mptsas_target_reset_event *target_reset_list, *n;
u8 flush_q;
MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
/* flush the target_reset_list */
@ -344,15 +344,10 @@ mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
!ioc->fw_event_q || in_interrupt())
return;
flush_q = 0;
list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
if (cancel_delayed_work(&fw_event->work))
mptsas_free_fw_event(ioc, fw_event);
else
flush_q = 1;
}
if (flush_q)
flush_workqueue(ioc->fw_event_q);
}
@ -661,7 +656,7 @@ mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc,
cfg.pageAddr = starget->id;
cfg.cfghdr.hdr = &hdr;
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
cfg.timeout = 10;
cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
if (mpt_config(ioc, &cfg) != 0)
goto out;
@ -851,7 +846,13 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
port_details->num_phys--;
port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
sas_port_delete_phy(port_details->port, phy_info->phy);
if (phy_info->phy) {
devtprintk(ioc, dev_printk(KERN_DEBUG,
&phy_info->phy->dev, MYIOC_s_FMT
"delete phy %d, phy-obj (0x%p)\n", ioc->name,
phy_info->phy_id, phy_info->phy));
sas_port_delete_phy(port_details->port, phy_info->phy);
}
phy_info->port_details = NULL;
}
@ -1272,7 +1273,6 @@ mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
}
mptsas_cleanup_fw_event_q(ioc);
mptsas_queue_rescan(ioc);
mptsas_fw_event_on(ioc);
break;
default:
break;
@ -1318,7 +1318,7 @@ mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
cfg.pageAddr = form + form_specific;
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
cfg.dir = 0; /* read */
cfg.timeout = 10;
cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
error = mpt_config(ioc, &cfg);
if (error)
@ -1592,6 +1592,7 @@ mptsas_firmware_event_work(struct work_struct *work)
mptsas_scan_sas_topology(ioc);
ioc->in_rescan = 0;
mptsas_free_fw_event(ioc, fw_event);
mptsas_fw_event_on(ioc);
return;
}
@ -1891,7 +1892,7 @@ static struct scsi_host_template mptsas_driver_template = {
.eh_bus_reset_handler = mptscsih_bus_reset,
.eh_host_reset_handler = mptscsih_host_reset,
.bios_param = mptscsih_bios_param,
.can_queue = MPT_FC_CAN_QUEUE,
.can_queue = MPT_SAS_CAN_QUEUE,
.this_id = -1,
.sg_tablesize = MPT_SCSI_SG_DEPTH,
.max_sectors = 8192,
@ -1926,7 +1927,7 @@ static int mptsas_get_linkerrors(struct sas_phy *phy)
cfg.pageAddr = phy->identify.phy_identifier;
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
cfg.dir = 0; /* read */
cfg.timeout = 10;
cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
error = mpt_config(ioc, &cfg);
if (error)
@ -2278,7 +2279,7 @@ mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
cfg.pageAddr = 0;
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
cfg.dir = 0; /* read */
cfg.timeout = 10;
cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
error = mpt_config(ioc, &cfg);
if (error)
@ -2349,7 +2350,7 @@ mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
cfg.cfghdr.ehdr = &hdr;
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
cfg.timeout = 10;
cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
@ -2411,7 +2412,7 @@ mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
cfg.cfghdr.ehdr = &hdr;
cfg.dir = 0; /* read */
cfg.timeout = 10;
cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
/* Get Phy Pg 0 for each Phy. */
cfg.physAddr = -1;
@ -2479,7 +2480,7 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
cfg.physAddr = -1;
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
cfg.dir = 0; /* read */
cfg.timeout = 10;
cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
memset(device_info, 0, sizeof(struct mptsas_devinfo));
error = mpt_config(ioc, &cfg);
@ -2554,7 +2555,7 @@ mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
cfg.pageAddr = form + form_specific;
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
cfg.dir = 0; /* read */
cfg.timeout = 10;
cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
memset(port_info, 0, sizeof(struct mptsas_portinfo));
error = mpt_config(ioc, &cfg);
@ -2635,7 +2636,7 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
cfg.pageAddr = form + form_specific;
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
cfg.dir = 0; /* read */
cfg.timeout = 10;
cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
error = mpt_config(ioc, &cfg);
if (error)
@ -3307,6 +3308,7 @@ mptsas_send_expander_event(struct fw_event_work *fw_event)
expander_data = (MpiEventDataSasExpanderStatusChange_t *)
fw_event->event_data;
memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
sas_address = le64_to_cpu(sas_address);
port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
@ -4760,10 +4762,9 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* set 16 byte cdb's */
sh->max_cmd_len = 16;
sh->max_id = ioc->pfacts[0].PortSCSIID;
sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
sh->max_id = -1;
sh->max_lun = max_lun;
sh->transportt = mptsas_transport_template;
/* Required entry.
@ -4821,25 +4822,6 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
ioc->name, ioc->ScsiLookup));
/* Clear the TM flags
*/
hd->abortSCpnt = NULL;
/* Clear the pointer used to store
* single-threaded commands, i.e., those
* issued during a bus scan, dv and
* configuration pages.
*/
hd->cmdPtr = NULL;
/* Initialize this SCSI Hosts' timers
* To use, set the timer expires field
* and add_timer
*/
init_timer(&hd->timer);
hd->timer.data = (unsigned long) hd;
hd->timer.function = mptscsih_timer_expired;
ioc->sas_data.ptClear = mpt_pt_clear;
hd->last_queue_full = 0;

67
drivers/message/fusion/mptscsih.c
View File

@ -628,6 +628,16 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
return 1;
}
if (ioc->bus_type == SAS) {
VirtDevice *vdevice = sc->device->hostdata;
if (!vdevice || !vdevice->vtarget ||
vdevice->vtarget->deleted) {
sc->result = DID_NO_CONNECT << 16;
goto out;
}
}
sc->host_scribble = NULL;
sc->result = DID_OK << 16; /* Set default reply as OK */
pScsiReq = (SCSIIORequest_t *) mf;
@ -689,6 +699,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
switch(status) {
case MPI_IOCSTATUS_BUSY: /* 0x0002 */
case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
/* CHECKME!
* Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
* But not: DID_BUS_BUSY lest one risk
@ -872,7 +883,6 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
@ -892,7 +902,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
#endif
} /* end of address reply case */
out:
/* Unmap the DMA buffers, if any. */
scsi_dma_unmap(sc);
@ -1729,9 +1739,6 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
*/
mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
hd->abortSCpnt = SCpnt;
retval = mptscsih_IssueTaskMgmt(hd,
MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
vdevice->vtarget->channel,
@ -2293,7 +2300,10 @@ mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
else
max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
} else
max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
max_depth = ioc->sh->can_queue;
if (!sdev->tagged_supported)
max_depth = 1;
if (qdepth > max_depth)
qdepth = max_depth;
@ -2627,50 +2637,6 @@ mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
return 1;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/* mptscsih_timer_expired - Call back for timer process.
* Used only for dv functionality.
* @data: Pointer to MPT_SCSI_HOST recast as an unsigned long
*
*/
void
mptscsih_timer_expired(unsigned long data)
{
MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) data;
MPT_ADAPTER *ioc = hd->ioc;
ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired! Cmd %p\n", ioc->name, hd->cmdPtr));
if (hd->cmdPtr) {
MPIHeader_t *cmd = (MPIHeader_t *)hd->cmdPtr;
if (cmd->Function == MPI_FUNCTION_SCSI_IO_REQUEST) {
/* Desire to issue a task management request here.
* TM requests MUST be single threaded.
* If old eh code and no TM current, issue request.
* If new eh code, do nothing. Wait for OS cmd timeout
* for bus reset.
*/
} else {
/* Perform a FW reload */
if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) {
printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name);
}
}
} else {
/* This should NEVER happen */
printk(MYIOC_s_WARN_FMT "Null cmdPtr!!!!\n", ioc->name);
}
/* No more processing.
* TM call will generate an interrupt for SCSI TM Management.
* The FW will reply to all outstanding commands, callback will finish cleanup.
* Hard reset clean-up will free all resources.
*/
ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired Complete!\n", ioc->name));
return;
}
/**
* mptscsih_get_completion_code -
@ -3265,6 +3231,5 @@ EXPORT_SYMBOL(mptscsih_scandv_complete);
EXPORT_SYMBOL(mptscsih_event_process);
EXPORT_SYMBOL(mptscsih_ioc_reset);
EXPORT_SYMBOL(mptscsih_change_queue_depth);
EXPORT_SYMBOL(mptscsih_timer_expired);
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

1
drivers/message/fusion/mptscsih.h
View File

@ -129,7 +129,6 @@ extern int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRA
extern int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
extern int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
extern int mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
extern void mptscsih_timer_expired(unsigned long data);
extern u8 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id);
extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id);
extern struct device_attribute *mptscsih_host_attrs[];

21
drivers/message/fusion/mptspi.c
View File

@ -1472,28 +1472,7 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
ioc->name, ioc->ScsiLookup));
/* Clear the TM flags
*/
hd->abortSCpnt = NULL;
/* Clear the pointer used to store
* single-threaded commands, i.e., those
* issued during a bus scan, dv and
* configuration pages.
*/
hd->cmdPtr = NULL;
/* Initialize this SCSI Hosts' timers
* To use, set the timer expires field
* and add_timer
*/
init_timer(&hd->timer);
hd->timer.data = (unsigned long) hd;
hd->timer.function = mptscsih_timer_expired;
ioc->spi_data.Saf_Te = mpt_saf_te;
hd->negoNvram = MPT_SCSICFG_USE_NVRAM;
ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"saf_te %x\n",
ioc->name,

69
drivers/misc/enclosure.c
View File

@ -33,24 +33,44 @@ static DEFINE_MUTEX(container_list_lock);
static struct class enclosure_class;
/**
* enclosure_find - find an enclosure given a device
* @dev: the device to find for
* enclosure_find - find an enclosure given a parent device
* @dev: the parent to match against
* @start: Optional enclosure device to start from (NULL if none)
*
* Looks through the list of registered enclosures to see
* if it can find a match for a device. Returns NULL if no
* enclosure is found. Obtains a reference to the enclosure class
* device which must be released with device_put().
* Looks through the list of registered enclosures to find all those
* with @dev as a parent. Returns NULL if no enclosure is
* found. @start can be used as a starting point to obtain multiple
* enclosures per parent (should begin with NULL and then be set to
* each returned enclosure device). Obtains a reference to the
* enclosure class device which must be released with device_put().
* If @start is not NULL, a reference must be taken on it which is
* released before returning (this allows a loop through all
* enclosures to exit with only the reference on the enclosure of
* interest held). Note that the @dev may correspond to the actual
* device housing the enclosure, in which case no iteration via @start
* is required.
*/
struct enclosure_device *enclosure_find(struct device *dev)
struct enclosure_device *enclosure_find(struct device *dev,
struct enclosure_device *start)
{
struct enclosure_device *edev;
mutex_lock(&container_list_lock);
list_for_each_entry(edev, &container_list, node) {
if (edev->edev.parent == dev) {
get_device(&edev->edev);
mutex_unlock(&container_list_lock);
return edev;
edev = list_prepare_entry(start, &container_list, node);
if (start)
put_device(&start->edev);
list_for_each_entry_continue(edev, &container_list, node) {
struct device *parent = edev->edev.parent;
/* parent might not be immediate, so iterate up to
* the root of the tree if necessary */
while (parent) {
if (parent == dev) {
get_device(&edev->edev);
mutex_unlock(&container_list_lock);
return edev;
}
parent = parent->parent;
}
}
mutex_unlock(&container_list_lock);
@ -295,6 +315,9 @@ int enclosure_add_device(struct enclosure_device *edev, int component,
cdev = &edev->component[component];
if (cdev->dev == dev)
return -EEXIST;
if (cdev->dev)
enclosure_remove_links(cdev);
@ -312,19 +335,25 @@ EXPORT_SYMBOL_GPL(enclosure_add_device);
* Returns zero on success or an error.
*
*/
int enclosure_remove_device(struct enclosure_device *edev, int component)
int enclosure_remove_device(struct enclosure_device *edev, struct device *dev)
{
struct enclosure_component *cdev;
int i;
if (!edev || component >= edev->components)
if (!edev || !dev)
return -EINVAL;
cdev = &edev->component[component];
device_del(&cdev->cdev);
put_device(cdev->dev);
cdev->dev = NULL;
return device_add(&cdev->cdev);
for (i = 0; i < edev->components; i++) {
cdev = &edev->component[i];
if (cdev->dev == dev) {
enclosure_remove_links(cdev);
device_del(&cdev->cdev);
put_device(dev);
cdev->dev = NULL;
return device_add(&cdev->cdev);
}
}
return -ENODEV;
}
EXPORT_SYMBOL_GPL(enclosure_remove_device);

288
drivers/s390/scsi/zfcp_aux.c
View File

@ -42,6 +42,12 @@ static char *init_device;
module_param_named(device, init_device, charp, 0400);
MODULE_PARM_DESC(device, "specify initial device");
static struct kmem_cache *zfcp_cache_hw_align(const char *name,
unsigned long size)
{
return kmem_cache_create(name, size, roundup_pow_of_two(size), 0, NULL);
}
static int zfcp_reqlist_alloc(struct zfcp_adapter *adapter)
{
int idx;
@ -78,7 +84,7 @@ static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun)
struct zfcp_port *port;
struct zfcp_unit *unit;
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
read_lock_irq(&zfcp_data.config_lock);
adapter = zfcp_get_adapter_by_busid(busid);
if (adapter)
@ -93,31 +99,23 @@ static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun)
unit = zfcp_unit_enqueue(port, lun);
if (IS_ERR(unit))
goto out_unit;
up(&zfcp_data.config_sema);
mutex_unlock(&zfcp_data.config_mutex);
ccw_device_set_online(adapter->ccw_device);
zfcp_erp_wait(adapter);
flush_work(&unit->scsi_work);
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
zfcp_unit_put(unit);
out_unit:
zfcp_port_put(port);
out_port:
zfcp_adapter_put(adapter);
out_adapter:
up(&zfcp_data.config_sema);
mutex_unlock(&zfcp_data.config_mutex);
return;
}
static struct kmem_cache *zfcp_cache_create(int size, char *name)
{
int align = 1;
while ((size - align) > 0)
align <<= 1;
return kmem_cache_create(name , size, align, 0, NULL);
}
static void __init zfcp_init_device_setup(char *devstr)
{
char *token;
@ -158,24 +156,27 @@ static int __init zfcp_module_init(void)
{
int retval = -ENOMEM;
zfcp_data.fsf_req_qtcb_cache = zfcp_cache_create(
sizeof(struct zfcp_fsf_req_qtcb), "zfcp_fsf");
if (!zfcp_data.fsf_req_qtcb_cache)
zfcp_data.gpn_ft_cache = zfcp_cache_hw_align("zfcp_gpn",
sizeof(struct ct_iu_gpn_ft_req));
if (!zfcp_data.gpn_ft_cache)
goto out;
zfcp_data.sr_buffer_cache = zfcp_cache_create(
sizeof(struct fsf_status_read_buffer), "zfcp_sr");
zfcp_data.qtcb_cache = zfcp_cache_hw_align("zfcp_qtcb",
sizeof(struct fsf_qtcb));
if (!zfcp_data.qtcb_cache)
goto out_qtcb_cache;
zfcp_data.sr_buffer_cache = zfcp_cache_hw_align("zfcp_sr",
sizeof(struct fsf_status_read_buffer));
if (!zfcp_data.sr_buffer_cache)
goto out_sr_cache;
zfcp_data.gid_pn_cache = zfcp_cache_create(
sizeof(struct zfcp_gid_pn_data), "zfcp_gid");
zfcp_data.gid_pn_cache = zfcp_cache_hw_align("zfcp_gid",
sizeof(struct zfcp_gid_pn_data));
if (!zfcp_data.gid_pn_cache)
goto out_gid_cache;
zfcp_data.work_queue = create_singlethread_workqueue("zfcp_wq");
sema_init(&zfcp_data.config_sema, 1);
mutex_init(&zfcp_data.config_mutex);
rwlock_init(&zfcp_data.config_lock);
zfcp_data.scsi_transport_template =
@ -209,7 +210,9 @@ out_transport:
out_gid_cache:
kmem_cache_destroy(zfcp_data.sr_buffer_cache);
out_sr_cache:
kmem_cache_destroy(zfcp_data.fsf_req_qtcb_cache);
kmem_cache_destroy(zfcp_data.qtcb_cache);
out_qtcb_cache:
kmem_cache_destroy(zfcp_data.gpn_ft_cache);
out:
return retval;
}
@ -263,7 +266,7 @@ static void zfcp_sysfs_unit_release(struct device *dev)
* @port: pointer to port where unit is added
* @fcp_lun: FCP LUN of unit to be enqueued
* Returns: pointer to enqueued unit on success, ERR_PTR on error
* Locks: config_sema must be held to serialize changes to the unit list
* Locks: config_mutex must be held to serialize changes to the unit list
*
* Sets up some unit internal structures and creates sysfs entry.
*/
@ -271,6 +274,13 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
{
struct zfcp_unit *unit;
read_lock_irq(&zfcp_data.config_lock);
if (zfcp_get_unit_by_lun(port, fcp_lun)) {
read_unlock_irq(&zfcp_data.config_lock);
return ERR_PTR(-EINVAL);
}
read_unlock_irq(&zfcp_data.config_lock);
unit = kzalloc(sizeof(struct zfcp_unit), GFP_KERNEL);
if (!unit)
return ERR_PTR(-ENOMEM);
@ -282,8 +292,11 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
unit->port = port;
unit->fcp_lun = fcp_lun;
dev_set_name(&unit->sysfs_device, "0x%016llx",
(unsigned long long) fcp_lun);
if (dev_set_name(&unit->sysfs_device, "0x%016llx",
(unsigned long long) fcp_lun)) {
kfree(unit);
return ERR_PTR(-ENOMEM);
}
unit->sysfs_device.parent = &port->sysfs_device;
unit->sysfs_device.release = zfcp_sysfs_unit_release;
dev_set_drvdata(&unit->sysfs_device, unit);
@ -299,20 +312,15 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
unit->latencies.cmd.channel.min = 0xFFFFFFFF;
unit->latencies.cmd.fabric.min = 0xFFFFFFFF;
read_lock_irq(&zfcp_data.config_lock);
if (zfcp_get_unit_by_lun(port, fcp_lun)) {
read_unlock_irq(&zfcp_data.config_lock);
goto err_out_free;
if (device_register(&unit->sysfs_device)) {
put_device(&unit->sysfs_device);
return ERR_PTR(-EINVAL);
}
read_unlock_irq(&zfcp_data.config_lock);
if (device_register(&unit->sysfs_device))
goto err_out_free;
if (sysfs_create_group(&unit->sysfs_device.kobj,
&zfcp_sysfs_unit_attrs)) {
device_unregister(&unit->sysfs_device);
return ERR_PTR(-EIO);
return ERR_PTR(-EINVAL);
}
zfcp_unit_get(unit);
@ -327,10 +335,6 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
zfcp_port_get(port);
return unit;
err_out_free:
kfree(unit);
return ERR_PTR(-EINVAL);
}
/**
@ -353,37 +357,47 @@ void zfcp_unit_dequeue(struct zfcp_unit *unit)
static int zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter)
{
/* must only be called with zfcp_data.config_sema taken */
adapter->pool.fsf_req_erp =
mempool_create_slab_pool(1, zfcp_data.fsf_req_qtcb_cache);
if (!adapter->pool.fsf_req_erp)
/* must only be called with zfcp_data.config_mutex taken */
adapter->pool.erp_req =
mempool_create_kmalloc_pool(1, sizeof(struct zfcp_fsf_req));
if (!adapter->pool.erp_req)
return -ENOMEM;
adapter->pool.fsf_req_scsi =
mempool_create_slab_pool(1, zfcp_data.fsf_req_qtcb_cache);
if (!adapter->pool.fsf_req_scsi)
adapter->pool.gid_pn_req =
mempool_create_kmalloc_pool(1, sizeof(struct zfcp_fsf_req));
if (!adapter->pool.gid_pn_req)
return -ENOMEM;
adapter->pool.fsf_req_abort =
mempool_create_slab_pool(1, zfcp_data.fsf_req_qtcb_cache);
if (!adapter->pool.fsf_req_abort)
adapter->pool.scsi_req =
mempool_create_kmalloc_pool(1, sizeof(struct zfcp_fsf_req));
if (!adapter->pool.scsi_req)
return -ENOMEM;
adapter->pool.fsf_req_status_read =
adapter->pool.scsi_abort =
mempool_create_kmalloc_pool(1, sizeof(struct zfcp_fsf_req));
if (!adapter->pool.scsi_abort)
return -ENOMEM;
adapter->pool.status_read_req =
mempool_create_kmalloc_pool(FSF_STATUS_READS_RECOM,
sizeof(struct zfcp_fsf_req));
if (!adapter->pool.fsf_req_status_read)
if (!adapter->pool.status_read_req)
return -ENOMEM;
adapter->pool.data_status_read =
adapter->pool.qtcb_pool =
mempool_create_slab_pool(4, zfcp_data.qtcb_cache);
if (!adapter->pool.qtcb_pool)
return -ENOMEM;
adapter->pool.status_read_data =
mempool_create_slab_pool(FSF_STATUS_READS_RECOM,
zfcp_data.sr_buffer_cache);
if (!adapter->pool.data_status_read)
if (!adapter->pool.status_read_data)
return -ENOMEM;
adapter->pool.data_gid_pn =
adapter->pool.gid_pn_data =
mempool_create_slab_pool(1, zfcp_data.gid_pn_cache);
if (!adapter->pool.data_gid_pn)
if (!adapter->pool.gid_pn_data)
return -ENOMEM;
return 0;
@ -391,19 +405,21 @@ static int zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter)
static void zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter)
{
/* zfcp_data.config_sema must be held */
if (adapter->pool.fsf_req_erp)
mempool_destroy(adapter->pool.fsf_req_erp);
if (adapter->pool.fsf_req_scsi)
mempool_destroy(adapter->pool.fsf_req_scsi);
if (adapter->pool.fsf_req_abort)
mempool_destroy(adapter->pool.fsf_req_abort);
if (adapter->pool.fsf_req_status_read)
mempool_destroy(adapter->pool.fsf_req_status_read);
if (adapter->pool.data_status_read)
mempool_destroy(adapter->pool.data_status_read);
if (adapter->pool.data_gid_pn)
mempool_destroy(adapter->pool.data_gid_pn);
/* zfcp_data.config_mutex must be held */
if (adapter->pool.erp_req)
mempool_destroy(adapter->pool.erp_req);
if (adapter->pool.scsi_req)
mempool_destroy(adapter->pool.scsi_req);
if (adapter->pool.scsi_abort)
mempool_destroy(adapter->pool.scsi_abort);
if (adapter->pool.qtcb_pool)
mempool_destroy(adapter->pool.qtcb_pool);
if (adapter->pool.status_read_req)
mempool_destroy(adapter->pool.status_read_req);
if (adapter->pool.status_read_data)
mempool_destroy(adapter->pool.status_read_data);
if (adapter->pool.gid_pn_data)
mempool_destroy(adapter->pool.gid_pn_data);
}
/**
@ -418,7 +434,7 @@ static void zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter)
int zfcp_status_read_refill(struct zfcp_adapter *adapter)
{
while (atomic_read(&adapter->stat_miss) > 0)
if (zfcp_fsf_status_read(adapter)) {
if (zfcp_fsf_status_read(adapter->qdio)) {
if (atomic_read(&adapter->stat_miss) >= 16) {
zfcp_erp_adapter_reopen(adapter, 0, "axsref1",
NULL);
@ -446,6 +462,27 @@ static void zfcp_print_sl(struct seq_file *m, struct service_level *sl)
adapter->fsf_lic_version);
}
static int zfcp_setup_adapter_work_queue(struct zfcp_adapter *adapter)
{
char name[TASK_COMM_LEN];
snprintf(name, sizeof(name), "zfcp_q_%s",
dev_name(&adapter->ccw_device->dev));
adapter->work_queue = create_singlethread_workqueue(name);
if (adapter->work_queue)
return 0;
return -ENOMEM;
}
static void zfcp_destroy_adapter_work_queue(struct zfcp_adapter *adapter)
{
if (adapter->work_queue)
destroy_workqueue(adapter->work_queue);
adapter->work_queue = NULL;
}
/**
* zfcp_adapter_enqueue - enqueue a new adapter to the list
* @ccw_device: pointer to the struct cc_device
@ -455,7 +492,7 @@ static void zfcp_print_sl(struct seq_file *m, struct service_level *sl)
* Enqueues an adapter at the end of the adapter list in the driver data.
* All adapter internal structures are set up.
* Proc-fs entries are also created.
* locks: config_sema must be held to serialise changes to the adapter list
* locks: config_mutex must be held to serialize changes to the adapter list
*/
int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
{
@ -463,37 +500,37 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
/*
* Note: It is safe to release the list_lock, as any list changes
* are protected by the config_sema, which must be held to get here
* are protected by the config_mutex, which must be held to get here
*/
adapter = kzalloc(sizeof(struct zfcp_adapter), GFP_KERNEL);
if (!adapter)
return -ENOMEM;
adapter->gs = kzalloc(sizeof(struct zfcp_wka_ports), GFP_KERNEL);
if (!adapter->gs) {
kfree(adapter);
return -ENOMEM;
}
ccw_device->handler = NULL;
adapter->ccw_device = ccw_device;
atomic_set(&adapter->refcount, 0);
if (zfcp_qdio_allocate(adapter))
goto qdio_allocate_failed;
if (zfcp_qdio_setup(adapter))
goto qdio_failed;
if (zfcp_allocate_low_mem_buffers(adapter))
goto failed_low_mem_buffers;
goto low_mem_buffers_failed;
if (zfcp_reqlist_alloc(adapter))
goto failed_low_mem_buffers;
goto low_mem_buffers_failed;
if (zfcp_adapter_debug_register(adapter))
if (zfcp_dbf_adapter_register(adapter))
goto debug_register_failed;
if (zfcp_setup_adapter_work_queue(adapter))
goto work_queue_failed;
if (zfcp_fc_gs_setup(adapter))
goto generic_services_failed;
init_waitqueue_head(&adapter->remove_wq);
init_waitqueue_head(&adapter->erp_thread_wqh);
init_waitqueue_head(&adapter->erp_ready_wq);
init_waitqueue_head(&adapter->erp_done_wqh);
INIT_LIST_HEAD(&adapter->port_list_head);
@ -502,20 +539,14 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
spin_lock_init(&adapter->req_list_lock);
spin_lock_init(&adapter->hba_dbf_lock);
spin_lock_init(&adapter->san_dbf_lock);
spin_lock_init(&adapter->scsi_dbf_lock);
spin_lock_init(&adapter->rec_dbf_lock);
spin_lock_init(&adapter->req_q_lock);
spin_lock_init(&adapter->qdio_stat_lock);
rwlock_init(&adapter->erp_lock);
rwlock_init(&adapter->abort_lock);
sema_init(&adapter->erp_ready_sem, 0);
if (zfcp_erp_thread_setup(adapter))
goto erp_thread_failed;
INIT_WORK(&adapter->stat_work, _zfcp_status_read_scheduler);
INIT_WORK(&adapter->scan_work, _zfcp_scan_ports_later);
INIT_WORK(&adapter->scan_work, _zfcp_fc_scan_ports_later);
adapter->service_level.seq_print = zfcp_print_sl;
@ -529,20 +560,25 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
goto sysfs_failed;
atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status);
zfcp_fc_wka_ports_init(adapter);
if (!zfcp_adapter_scsi_register(adapter))
return 0;
sysfs_failed:
zfcp_adapter_debug_unregister(adapter);
zfcp_erp_thread_kill(adapter);
erp_thread_failed:
zfcp_fc_gs_destroy(adapter);
generic_services_failed:
zfcp_destroy_adapter_work_queue(adapter);
work_queue_failed:
zfcp_dbf_adapter_unregister(adapter->dbf);
debug_register_failed:
dev_set_drvdata(&ccw_device->dev, NULL);
kfree(adapter->req_list);
failed_low_mem_buffers:
low_mem_buffers_failed:
zfcp_free_low_mem_buffers(adapter);
qdio_allocate_failed:
zfcp_qdio_free(adapter);
qdio_failed:
zfcp_qdio_destroy(adapter->qdio);
kfree(adapter);
return -ENOMEM;
}
@ -559,6 +595,7 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
cancel_work_sync(&adapter->scan_work);
cancel_work_sync(&adapter->stat_work);
zfcp_fc_wka_ports_force_offline(adapter->gs);
zfcp_adapter_scsi_unregister(adapter);
sysfs_remove_group(&adapter->ccw_device->dev.kobj,
&zfcp_sysfs_adapter_attrs);
@ -570,13 +607,15 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
if (!retval)
return;
zfcp_adapter_debug_unregister(adapter);
zfcp_qdio_free(adapter);
zfcp_fc_gs_destroy(adapter);
zfcp_erp_thread_kill(adapter);
zfcp_destroy_adapter_work_queue(adapter);
zfcp_dbf_adapter_unregister(adapter->dbf);
zfcp_free_low_mem_buffers(adapter);
zfcp_qdio_destroy(adapter->qdio);
kfree(adapter->req_list);
kfree(adapter->fc_stats);
kfree(adapter->stats_reset_data);
kfree(adapter->gs);
kfree(adapter);
}
@ -592,7 +631,7 @@ static void zfcp_sysfs_port_release(struct device *dev)
* @status: initial status for the port
* @d_id: destination id of the remote port to be enqueued
* Returns: pointer to enqueued port on success, ERR_PTR on error
* Locks: config_sema must be held to serialize changes to the port list
* Locks: config_mutex must be held to serialize changes to the port list
*
* All port internal structures are set up and the sysfs entry is generated.
* d_id is used to enqueue ports with a well known address like the Directory
@ -602,7 +641,13 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
u32 status, u32 d_id)
{
struct zfcp_port *port;
int retval;
read_lock_irq(&zfcp_data.config_lock);
if (zfcp_get_port_by_wwpn(adapter, wwpn)) {
read_unlock_irq(&zfcp_data.config_lock);
return ERR_PTR(-EINVAL);
}
read_unlock_irq(&zfcp_data.config_lock);
port = kzalloc(sizeof(struct zfcp_port), GFP_KERNEL);
if (!port)
@ -610,7 +655,7 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
init_waitqueue_head(&port->remove_wq);
INIT_LIST_HEAD(&port->unit_list_head);
INIT_WORK(&port->gid_pn_work, zfcp_erp_port_strategy_open_lookup);
INIT_WORK(&port->gid_pn_work, zfcp_fc_port_did_lookup);
INIT_WORK(&port->test_link_work, zfcp_fc_link_test_work);
INIT_WORK(&port->rport_work, zfcp_scsi_rport_work);
@ -623,29 +668,24 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
atomic_set_mask(status | ZFCP_STATUS_COMMON_REMOVE, &port->status);
atomic_set(&port->refcount, 0);
dev_set_name(&port->sysfs_device, "0x%016llx",
(unsigned long long)wwpn);
if (dev_set_name(&port->sysfs_device, "0x%016llx",
(unsigned long long)wwpn)) {
kfree(port);
return ERR_PTR(-ENOMEM);
}
port->sysfs_device.parent = &adapter->ccw_device->dev;
port->sysfs_device.release = zfcp_sysfs_port_release;
dev_set_drvdata(&port->sysfs_device, port);
read_lock_irq(&zfcp_data.config_lock);
if (zfcp_get_port_by_wwpn(adapter, wwpn)) {
read_unlock_irq(&zfcp_data.config_lock);
goto err_out_free;
if (device_register(&port->sysfs_device)) {
put_device(&port->sysfs_device);
return ERR_PTR(-EINVAL);
}
read_unlock_irq(&zfcp_data.config_lock);
if (device_register(&port->sysfs_device))
goto err_out_free;
retval = sysfs_create_group(&port->sysfs_device.kobj,
&zfcp_sysfs_port_attrs);
if (retval) {
if (sysfs_create_group(&port->sysfs_device.kobj,
&zfcp_sysfs_port_attrs)) {
device_unregister(&port->sysfs_device);
goto err_out;
return ERR_PTR(-EINVAL);
}
zfcp_port_get(port);
@ -659,11 +699,6 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
zfcp_adapter_get(adapter);
return port;
err_out_free:
kfree(port);
err_out:
return ERR_PTR(-EINVAL);
}
/**
@ -672,12 +707,11 @@ err_out:
*/
void zfcp_port_dequeue(struct zfcp_port *port)
{
wait_event(port->remove_wq, atomic_read(&port->refcount) == 0);
write_lock_irq(&zfcp_data.config_lock);
list_del(&port->list);
write_unlock_irq(&zfcp_data.config_lock);
if (port->rport)
port->rport->dd_data = NULL;
wait_event(port->remove_wq, atomic_read(&port->refcount) == 0);
cancel_work_sync(&port->rport_work); /* usually not necessary */
zfcp_adapter_put(port->adapter);
sysfs_remove_group(&port->sysfs_device.kobj, &zfcp_sysfs_port_attrs);
device_unregister(&port->sysfs_device);

94
drivers/s390/scsi/zfcp_ccw.c
View File

@ -18,12 +18,15 @@ static int zfcp_ccw_suspend(struct ccw_device *cdev)
{
struct zfcp_adapter *adapter = dev_get_drvdata(&cdev->dev);
down(&zfcp_data.config_sema);
if (!adapter)
return 0;
mutex_lock(&zfcp_data.config_mutex);
zfcp_erp_adapter_shutdown(adapter, 0, "ccsusp1", NULL);
zfcp_erp_wait(adapter);
up(&zfcp_data.config_sema);
mutex_unlock(&zfcp_data.config_mutex);
return 0;
}
@ -33,6 +36,9 @@ static int zfcp_ccw_activate(struct ccw_device *cdev)
{
struct zfcp_adapter *adapter = dev_get_drvdata(&cdev->dev);
if (!adapter)
return 0;
zfcp_erp_modify_adapter_status(adapter, "ccresu1", NULL,
ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
@ -63,25 +69,14 @@ int zfcp_ccw_priv_sch(struct zfcp_adapter *adapter)
* zfcp_ccw_probe - probe function of zfcp driver
* @ccw_device: pointer to belonging ccw device
*
* This function gets called by the common i/o layer and sets up the initial
* data structures for each fcp adapter, which was detected by the system.
* Also the sysfs files for this adapter will be created by this function.
* In addition the nameserver port will be added to the ports of the adapter
* and its sysfs representation will be created too.
* This function gets called by the common i/o layer for each FCP
* device found on the current system. This is only a stub to make cio
* work: To only allocate adapter resources for devices actually used,
* the allocation is deferred to the first call to ccw_set_online.
*/
static int zfcp_ccw_probe(struct ccw_device *ccw_device)
{
int retval = 0;
down(&zfcp_data.config_sema);
if (zfcp_adapter_enqueue(ccw_device)) {
dev_err(&ccw_device->dev,
"Setting up data structures for the "
"FCP adapter failed\n");
retval = -EINVAL;
}
up(&zfcp_data.config_sema);
return retval;
return 0;
}
/**
@ -102,8 +97,11 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device)
LIST_HEAD(port_remove_lh);
ccw_device_set_offline(ccw_device);
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
adapter = dev_get_drvdata(&ccw_device->dev);
if (!adapter)
goto out;
write_lock_irq(&zfcp_data.config_lock);
list_for_each_entry_safe(port, p, &adapter->port_list_head, list) {
@ -129,29 +127,41 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device)
wait_event(adapter->remove_wq, atomic_read(&adapter->refcount) == 0);
zfcp_adapter_dequeue(adapter);
up(&zfcp_data.config_sema);
out:
mutex_unlock(&zfcp_data.config_mutex);
}
/**
* zfcp_ccw_set_online - set_online function of zfcp driver
* @ccw_device: pointer to belonging ccw device
*
* This function gets called by the common i/o layer and sets an adapter
* into state online. Setting an fcp device online means that it will be
* registered with the SCSI stack, that the QDIO queues will be set up
* and that the adapter will be opened (asynchronously).
* This function gets called by the common i/o layer and sets an
* adapter into state online. The first call will allocate all
* adapter resources that will be retained until the device is removed
* via zfcp_ccw_remove.
*
* Setting an fcp device online means that it will be registered with
* the SCSI stack, that the QDIO queues will be set up and that the
* adapter will be opened.
*/
static int zfcp_ccw_set_online(struct ccw_device *ccw_device)
{
struct zfcp_adapter *adapter;
int retval;
int ret = 0;
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
adapter = dev_get_drvdata(&ccw_device->dev);
retval = zfcp_erp_thread_setup(adapter);
if (retval)
goto out;
if (!adapter) {
ret = zfcp_adapter_enqueue(ccw_device);
if (ret) {
dev_err(&ccw_device->dev,
"Setting up data structures for the "
"FCP adapter failed\n");
goto out;
}
adapter = dev_get_drvdata(&ccw_device->dev);
}
/* initialize request counter */
BUG_ON(!zfcp_reqlist_isempty(adapter));
@ -162,13 +172,11 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device)
zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
"ccsonl2", NULL);
zfcp_erp_wait(adapter);
up(&zfcp_data.config_sema);
flush_work(&adapter->scan_work);
return 0;
out:
up(&zfcp_data.config_sema);
return retval;
out:
mutex_unlock(&zfcp_data.config_mutex);
if (!ret)
flush_work(&adapter->scan_work);
return ret;
}
/**
@ -182,12 +190,15 @@ static int zfcp_ccw_set_offline(struct ccw_device *ccw_device)
{
struct zfcp_adapter *adapter;
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
adapter = dev_get_drvdata(&ccw_device->dev);
if (!adapter)
goto out;
zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1", NULL);
zfcp_erp_wait(adapter);
zfcp_erp_thread_kill(adapter);
up(&zfcp_data.config_sema);
mutex_unlock(&zfcp_data.config_mutex);
out:
return 0;
}
@ -240,11 +251,12 @@ static void zfcp_ccw_shutdown(struct ccw_device *cdev)
{
struct zfcp_adapter *adapter;
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
adapter = dev_get_drvdata(&cdev->dev);
zfcp_erp_adapter_shutdown(adapter, 0, "ccshut1", NULL);
zfcp_erp_wait(adapter);
up(&zfcp_data.config_sema);
zfcp_erp_thread_kill(adapter);
mutex_unlock(&zfcp_data.config_mutex);
}
static struct ccw_driver zfcp_ccw_driver = {

544
drivers/s390/scsi/zfcp_dbf.c
View File

File diff suppressed because it is too large Load Diff

175
drivers/s390/scsi/zfcp_dbf.h
View File

@ -2,7 +2,7 @@
* This file is part of the zfcp device driver for
* FCP adapters for IBM System z9 and zSeries.
*
* Copyright IBM Corp. 2008, 2008
* Copyright IBM Corp. 2008, 2009
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -22,7 +22,9 @@
#ifndef ZFCP_DBF_H
#define ZFCP_DBF_H
#include "zfcp_ext.h"
#include "zfcp_fsf.h"
#include "zfcp_def.h"
#define ZFCP_DBF_TAG_SIZE 4
#define ZFCP_DBF_ID_SIZE 7
@ -35,13 +37,13 @@ struct zfcp_dbf_dump {
u8 data[]; /* dump data */
} __attribute__ ((packed));
struct zfcp_rec_dbf_record_thread {
struct zfcp_dbf_rec_record_thread {
u32 total;
u32 ready;
u32 running;
};
struct zfcp_rec_dbf_record_target {
struct zfcp_dbf_rec_record_target {
u64 ref;
u32 status;
u32 d_id;
@ -50,7 +52,7 @@ struct zfcp_rec_dbf_record_target {
u32 erp_count;
};
struct zfcp_rec_dbf_record_trigger {
struct zfcp_dbf_rec_record_trigger {
u8 want;
u8 need;
u32 as;
@ -62,21 +64,21 @@ struct zfcp_rec_dbf_record_trigger {
u64 fcp_lun;
};
struct zfcp_rec_dbf_record_action {
struct zfcp_dbf_rec_record_action {
u32 status;
u32 step;
u64 action;
u64 fsf_req;
};
struct zfcp_rec_dbf_record {
struct zfcp_dbf_rec_record {
u8 id;
char id2[7];
union {
struct zfcp_rec_dbf_record_action action;
struct zfcp_rec_dbf_record_thread thread;
struct zfcp_rec_dbf_record_target target;
struct zfcp_rec_dbf_record_trigger trigger;
struct zfcp_dbf_rec_record_action action;
struct zfcp_dbf_rec_record_thread thread;
struct zfcp_dbf_rec_record_target target;
struct zfcp_dbf_rec_record_trigger trigger;
} u;
};
@ -87,7 +89,7 @@ enum {
ZFCP_REC_DBF_ID_TRIGGER,
};
struct zfcp_hba_dbf_record_response {
struct zfcp_dbf_hba_record_response {
u32 fsf_command;
u64 fsf_reqid;
u32 fsf_seqno;
@ -125,7 +127,7 @@ struct zfcp_hba_dbf_record_response {
} u;
} __attribute__ ((packed));
struct zfcp_hba_dbf_record_status {
struct zfcp_dbf_hba_record_status {
u8 failed;
u32 status_type;
u32 status_subtype;
@ -139,24 +141,24 @@ struct zfcp_hba_dbf_record_status {
u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
} __attribute__ ((packed));
struct zfcp_hba_dbf_record_qdio {
struct zfcp_dbf_hba_record_qdio {
u32 qdio_error;
u8 sbal_index;
u8 sbal_count;
} __attribute__ ((packed));
struct zfcp_hba_dbf_record {
struct zfcp_dbf_hba_record {
u8 tag[ZFCP_DBF_TAG_SIZE];
u8 tag2[ZFCP_DBF_TAG_SIZE];
union {
struct zfcp_hba_dbf_record_response response;
struct zfcp_hba_dbf_record_status status;
struct zfcp_hba_dbf_record_qdio qdio;
struct zfcp_dbf_hba_record_response response;
struct zfcp_dbf_hba_record_status status;
struct zfcp_dbf_hba_record_qdio qdio;
struct fsf_bit_error_payload berr;
} u;
} __attribute__ ((packed));
struct zfcp_san_dbf_record_ct_request {
struct zfcp_dbf_san_record_ct_request {
u16 cmd_req_code;
u8 revision;
u8 gs_type;
@ -166,7 +168,7 @@ struct zfcp_san_dbf_record_ct_request {
u32 len;
} __attribute__ ((packed));
struct zfcp_san_dbf_record_ct_response {
struct zfcp_dbf_san_record_ct_response {
u16 cmd_rsp_code;
u8 revision;
u8 reason_code;
@ -176,27 +178,27 @@ struct zfcp_san_dbf_record_ct_response {
u32 len;
} __attribute__ ((packed));
struct zfcp_san_dbf_record_els {
struct zfcp_dbf_san_record_els {
u8 ls_code;
u32 len;
} __attribute__ ((packed));
struct zfcp_san_dbf_record {
struct zfcp_dbf_san_record {
u8 tag[ZFCP_DBF_TAG_SIZE];
u64 fsf_reqid;
u32 fsf_seqno;
u32 s_id;
u32 d_id;
union {
struct zfcp_san_dbf_record_ct_request ct_req;
struct zfcp_san_dbf_record_ct_response ct_resp;
struct zfcp_san_dbf_record_els els;
struct zfcp_dbf_san_record_ct_request ct_req;
struct zfcp_dbf_san_record_ct_response ct_resp;
struct zfcp_dbf_san_record_els els;
} u;
#define ZFCP_DBF_SAN_MAX_PAYLOAD 1024
u8 payload[32];
} __attribute__ ((packed));
struct zfcp_scsi_dbf_record {
struct zfcp_dbf_scsi_record {
u8 tag[ZFCP_DBF_TAG_SIZE];
u8 tag2[ZFCP_DBF_TAG_SIZE];
u32 scsi_id;
@ -222,4 +224,127 @@ struct zfcp_scsi_dbf_record {
u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
} __attribute__ ((packed));
struct zfcp_dbf {
debug_info_t *rec;
debug_info_t *hba;
debug_info_t *san;
debug_info_t *scsi;
spinlock_t rec_lock;
spinlock_t hba_lock;
spinlock_t san_lock;
spinlock_t scsi_lock;
struct zfcp_dbf_rec_record rec_buf;
struct zfcp_dbf_hba_record hba_buf;
struct zfcp_dbf_san_record san_buf;
struct zfcp_dbf_scsi_record scsi_buf;
struct zfcp_adapter *adapter;
};
static inline
void zfcp_dbf_hba_fsf_resp(const char *tag2, int level,
struct zfcp_fsf_req *req, struct zfcp_dbf *dbf)
{
if (level <= dbf->hba->level)
_zfcp_dbf_hba_fsf_response(tag2, level, req, dbf);
}
/**
* zfcp_dbf_hba_fsf_response - trace event for request completion
* @fsf_req: request that has been completed
*/
static inline void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req)
{
struct zfcp_dbf *dbf = req->adapter->dbf;
struct fsf_qtcb *qtcb = req->qtcb;
if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
(qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) {
zfcp_dbf_hba_fsf_resp("perr", 1, req, dbf);
} else if (qtcb->header.fsf_status != FSF_GOOD) {
zfcp_dbf_hba_fsf_resp("ferr", 1, req, dbf);
} else if ((req->fsf_command == FSF_QTCB_OPEN_PORT_WITH_DID) ||
(req->fsf_command == FSF_QTCB_OPEN_LUN)) {
zfcp_dbf_hba_fsf_resp("open", 4, req, dbf);
} else if (qtcb->header.log_length) {
zfcp_dbf_hba_fsf_resp("qtcb", 5, req, dbf);
} else {
zfcp_dbf_hba_fsf_resp("norm", 6, req, dbf);
}
}
/**
* zfcp_dbf_hba_fsf_unsol - trace event for an unsolicited status buffer
* @tag: tag indicating which kind of unsolicited status has been received
* @dbf: reference to dbf structure
* @status_buffer: buffer containing payload of unsolicited status
*/
static inline
void zfcp_dbf_hba_fsf_unsol(const char *tag, struct zfcp_dbf *dbf,
struct fsf_status_read_buffer *buf)
{
int level = 2;
if (level <= dbf->hba->level)
_zfcp_dbf_hba_fsf_unsol(tag, level, dbf, buf);
}
static inline
void zfcp_dbf_scsi(const char *tag, const char *tag2, int level,
struct zfcp_dbf *dbf, struct scsi_cmnd *scmd,
struct zfcp_fsf_req *req, unsigned long old_id)
{
if (level <= dbf->scsi->level)
_zfcp_dbf_scsi(tag, tag2, level, dbf, scmd, req, old_id);
}
/**
* zfcp_dbf_scsi_result - trace event for SCSI command completion
* @tag: tag indicating success or failure of SCSI command
* @level: trace level applicable for this event
* @adapter: adapter that has been used to issue the SCSI command
* @scmd: SCSI command pointer
* @fsf_req: request used to issue SCSI command (might be NULL)
*/
static inline
void zfcp_dbf_scsi_result(const char *tag, int level, struct zfcp_dbf *dbf,
struct scsi_cmnd *scmd, struct zfcp_fsf_req *fsf_req)
{
zfcp_dbf_scsi("rslt", tag, level, dbf, scmd, fsf_req, 0);
}
/**
* zfcp_dbf_scsi_abort - trace event for SCSI command abort
* @tag: tag indicating success or failure of abort operation
* @adapter: adapter thas has been used to issue SCSI command to be aborted
* @scmd: SCSI command to be aborted
* @new_req: request containing abort (might be NULL)
* @old_id: identifier of request containg SCSI command to be aborted
*/
static inline
void zfcp_dbf_scsi_abort(const char *tag, struct zfcp_dbf *dbf,
struct scsi_cmnd *scmd, struct zfcp_fsf_req *new_req,
unsigned long old_id)
{
zfcp_dbf_scsi("abrt", tag, 1, dbf, scmd, new_req, old_id);
}
/**
* zfcp_dbf_scsi_devreset - trace event for Logical Unit or Target Reset
* @tag: tag indicating success or failure of reset operation
* @flag: indicates type of reset (Target Reset, Logical Unit Reset)
* @unit: unit that needs reset
* @scsi_cmnd: SCSI command which caused this error recovery
*/
static inline
void zfcp_dbf_scsi_devreset(const char *tag, u8 flag, struct zfcp_unit *unit,
struct scsi_cmnd *scsi_cmnd)
{
zfcp_dbf_scsi(flag == FCP_TARGET_RESET ? "trst" : "lrst", tag, 1,
unit->port->adapter->dbf, scsi_cmnd, NULL, 0);
}
#endif /* ZFCP_DBF_H */

183
drivers/s390/scsi/zfcp_def.h
View File

@ -37,10 +37,8 @@
#include <asm/debug.h>
#include <asm/ebcdic.h>
#include <asm/sysinfo.h>
#include "zfcp_dbf.h"
#include "zfcp_fsf.h"
/********************* GENERAL DEFINES *********************************/
#define REQUEST_LIST_SIZE 128
@ -75,9 +73,6 @@
/*************** FIBRE CHANNEL PROTOCOL SPECIFIC DEFINES ********************/
/* timeout for name-server lookup (in seconds) */
#define ZFCP_NS_GID_PN_TIMEOUT 10
/* task attribute values in FCP-2 FCP_CMND IU */
#define SIMPLE_Q 0
#define HEAD_OF_Q 1
@ -224,8 +219,6 @@ struct zfcp_ls_adisc {
#define ZFCP_STATUS_ADAPTER_QDIOUP 0x00000002
#define ZFCP_STATUS_ADAPTER_XCONFIG_OK 0x00000008
#define ZFCP_STATUS_ADAPTER_HOST_CON_INIT 0x00000010
#define ZFCP_STATUS_ADAPTER_ERP_THREAD_UP 0x00000020
#define ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL 0x00000080
#define ZFCP_STATUS_ADAPTER_ERP_PENDING 0x00000100
#define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED 0x00000200
@ -234,6 +227,7 @@ struct zfcp_ls_adisc {
/* remote port status */
#define ZFCP_STATUS_PORT_PHYS_OPEN 0x00000001
#define ZFCP_STATUS_PORT_LINK_TEST 0x00000002
/* well known address (WKA) port status*/
enum zfcp_wka_status {
@ -249,7 +243,6 @@ enum zfcp_wka_status {
/* FSF request status (this does not have a common part) */
#define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002
#define ZFCP_STATUS_FSFREQ_COMPLETED 0x00000004
#define ZFCP_STATUS_FSFREQ_ERROR 0x00000008
#define ZFCP_STATUS_FSFREQ_CLEANUP 0x00000010
#define ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED 0x00000040
@ -266,12 +259,14 @@ struct zfcp_fsf_req;
/* holds various memory pools of an adapter */
struct zfcp_adapter_mempool {
mempool_t *fsf_req_erp;
mempool_t *fsf_req_scsi;
mempool_t *fsf_req_abort;
mempool_t *fsf_req_status_read;
mempool_t *data_status_read;
mempool_t *data_gid_pn;
mempool_t *erp_req;
mempool_t *gid_pn_req;
mempool_t *scsi_req;
mempool_t *scsi_abort;
mempool_t *status_read_req;
mempool_t *status_read_data;
mempool_t *gid_pn_data;
mempool_t *qtcb_pool;
};
/*
@ -305,6 +300,15 @@ struct ct_iu_gid_pn_resp {
u32 d_id;
} __attribute__ ((packed));
struct ct_iu_gpn_ft_req {
struct ct_hdr header;
u8 flags;
u8 domain_id_scope;
u8 area_id_scope;
u8 fc4_type;
} __attribute__ ((packed));
/**
* struct zfcp_send_ct - used to pass parameters to function zfcp_fsf_send_ct
* @wka_port: port where the request is sent to
@ -312,7 +316,6 @@ struct ct_iu_gid_pn_resp {
* @resp: scatter-gather list for response
* @handler: handler function (called for response to the request)
* @handler_data: data passed to handler function
* @timeout: FSF timeout for this request
* @completion: completion for synchronization purposes
* @status: used to pass error status to calling function
*/
@ -322,7 +325,6 @@ struct zfcp_send_ct {
struct scatterlist *resp;
void (*handler)(unsigned long);
unsigned long handler_data;
int timeout;
struct completion *completion;
int status;
};
@ -420,6 +422,29 @@ struct zfcp_latencies {
spinlock_t lock;
};
/** struct zfcp_qdio - basic QDIO data structure
* @resp_q: response queue
* @req_q: request queue
* @stat_lock: lock to protect req_q_util and req_q_time
* @req_q_lock; lock to serialize access to request queue
* @req_q_time: time of last fill level change
* @req_q_util: used for accounting
* @req_q_full: queue full incidents
* @req_q_wq: used to wait for SBAL availability
* @adapter: adapter used in conjunction with this QDIO structure
*/
struct zfcp_qdio {
struct zfcp_qdio_queue resp_q;
struct zfcp_qdio_queue req_q;
spinlock_t stat_lock;
spinlock_t req_q_lock;
unsigned long long req_q_time;
u64 req_q_util;
atomic_t req_q_full;
wait_queue_head_t req_q_wq;
struct zfcp_adapter *adapter;
};
struct zfcp_adapter {
atomic_t refcount; /* reference count */
wait_queue_head_t remove_wq; /* can be used to wait for
@ -428,6 +453,7 @@ struct zfcp_adapter {
u64 peer_wwpn; /* P2P peer WWPN */
u32 peer_d_id; /* P2P peer D_ID */
struct ccw_device *ccw_device; /* S/390 ccw device */
struct zfcp_qdio *qdio;
u32 hydra_version; /* Hydra version */
u32 fsf_lic_version;
u32 adapter_features; /* FCP channel features */
@ -439,15 +465,7 @@ struct zfcp_adapter {
unsigned long req_no; /* unique FSF req number */
struct list_head *req_list; /* list of pending reqs */
spinlock_t req_list_lock; /* request list lock */
struct zfcp_qdio_queue req_q; /* request queue */
spinlock_t req_q_lock; /* for operations on queue */
ktime_t req_q_time; /* time of last fill level change */
u64 req_q_util; /* for accounting */
spinlock_t qdio_stat_lock;
u32 fsf_req_seq_no; /* FSF cmnd seq number */
wait_queue_head_t request_wq; /* can be used to wait for
more avaliable SBALs */
struct zfcp_qdio_queue resp_q; /* response queue */
rwlock_t abort_lock; /* Protects against SCSI
stack abort/command
completion races */
@ -456,10 +474,9 @@ struct zfcp_adapter {
atomic_t status; /* status of this adapter */
struct list_head erp_ready_head; /* error recovery for this
adapter/devices */
wait_queue_head_t erp_ready_wq;
struct list_head erp_running_head;
rwlock_t erp_lock;
struct semaphore erp_ready_sem;
wait_queue_head_t erp_thread_wqh;
wait_queue_head_t erp_done_wqh;
struct zfcp_erp_action erp_action; /* pending error recovery */
atomic_t erp_counter;
@ -467,27 +484,16 @@ struct zfcp_adapter {
actions */
u32 erp_low_mem_count; /* nr of erp actions waiting
for memory */
struct task_struct *erp_thread;
struct zfcp_wka_ports *gs; /* generic services */
debug_info_t *rec_dbf;
debug_info_t *hba_dbf;
debug_info_t *san_dbf; /* debug feature areas */
debug_info_t *scsi_dbf;
spinlock_t rec_dbf_lock;
spinlock_t hba_dbf_lock;
spinlock_t san_dbf_lock;
spinlock_t scsi_dbf_lock;
struct zfcp_rec_dbf_record rec_dbf_buf;
struct zfcp_hba_dbf_record hba_dbf_buf;
struct zfcp_san_dbf_record san_dbf_buf;
struct zfcp_scsi_dbf_record scsi_dbf_buf;
struct zfcp_dbf *dbf; /* debug traces */
struct zfcp_adapter_mempool pool; /* Adapter memory pools */
struct qdio_initialize qdio_init_data; /* for qdio_establish */
struct fc_host_statistics *fc_stats;
struct fsf_qtcb_bottom_port *stats_reset_data;
unsigned long stats_reset;
struct work_struct scan_work;
struct service_level service_level;
atomic_t qdio_outb_full; /* queue full incidents */
struct workqueue_struct *work_queue;
};
struct zfcp_port {
@ -531,36 +537,64 @@ struct zfcp_unit {
struct work_struct scsi_work;
};
/* FSF request */
/**
* struct zfcp_queue_req - queue related values for a request
* @sbal_number: number of free SBALs
* @sbal_first: first SBAL for this request
* @sbal_last: last SBAL for this request
* @sbal_limit: last possible SBAL for this request
* @sbale_curr: current SBALE at creation of this request
* @sbal_response: SBAL used in interrupt
* @qdio_outb_usage: usage of outbound queue
* @qdio_inb_usage: usage of inbound queue
*/
struct zfcp_queue_req {
u8 sbal_number;
u8 sbal_first;
u8 sbal_last;
u8 sbal_limit;
u8 sbale_curr;
u8 sbal_response;
u16 qdio_outb_usage;
u16 qdio_inb_usage;
};
/**
* struct zfcp_fsf_req - basic FSF request structure
* @list: list of FSF requests
* @req_id: unique request ID
* @adapter: adapter this request belongs to
* @queue_req: queue related values
* @completion: used to signal the completion of the request
* @status: status of the request
* @fsf_command: FSF command issued
* @qtcb: associated QTCB
* @seq_no: sequence number of this request
* @data: private data
* @timer: timer data of this request
* @erp_action: reference to erp action if request issued on behalf of ERP
* @pool: reference to memory pool if used for this request
* @issued: time when request was send (STCK)
* @unit: reference to unit if this request is a SCSI request
* @handler: handler which should be called to process response
*/
struct zfcp_fsf_req {
struct list_head list; /* list of FSF requests */
unsigned long req_id; /* unique request ID */
struct zfcp_adapter *adapter; /* adapter request belongs to */
u8 sbal_number; /* nr of SBALs free for use */
u8 sbal_first; /* first SBAL for this request */
u8 sbal_last; /* last SBAL for this request */
u8 sbal_limit; /* last possible SBAL for
this reuest */
u8 sbale_curr; /* current SBALE during creation
of request */
u8 sbal_response; /* SBAL used in interrupt */
wait_queue_head_t completion_wq; /* can be used by a routine
to wait for completion */
u32 status; /* status of this request */
u32 fsf_command; /* FSF Command copy */
struct fsf_qtcb *qtcb; /* address of associated QTCB */
u32 seq_no; /* Sequence number of request */
void *data; /* private data of request */
struct timer_list timer; /* used for erp or scsi er */
struct zfcp_erp_action *erp_action; /* used if this request is
issued on behalf of erp */
mempool_t *pool; /* used if request was alloacted
from emergency pool */
unsigned long long issued; /* request sent time (STCK) */
struct zfcp_unit *unit;
struct list_head list;
unsigned long req_id;
struct zfcp_adapter *adapter;
struct zfcp_queue_req queue_req;
struct completion completion;
u32 status;
u32 fsf_command;
struct fsf_qtcb *qtcb;
u32 seq_no;
void *data;
struct timer_list timer;
struct zfcp_erp_action *erp_action;
mempool_t *pool;
unsigned long long issued;
struct zfcp_unit *unit;
void (*handler)(struct zfcp_fsf_req *);
u16 qdio_outb_usage;/* usage of outbound queue */
u16 qdio_inb_usage; /* usage of inbound queue */
};
/* driver data */
@ -570,18 +604,11 @@ struct zfcp_data {
rwlock_t config_lock; /* serialises changes
to adapter/port/unit
lists */
struct semaphore config_sema; /* serialises configuration
changes */
struct kmem_cache *fsf_req_qtcb_cache;
struct mutex config_mutex;
struct kmem_cache *gpn_ft_cache;
struct kmem_cache *qtcb_cache;
struct kmem_cache *sr_buffer_cache;
struct kmem_cache *gid_pn_cache;
struct workqueue_struct *work_queue;
};
/* struct used by memory pools for fsf_requests */
struct zfcp_fsf_req_qtcb {
struct zfcp_fsf_req fsf_req;
struct fsf_qtcb qtcb;
};
/********************** ZFCP SPECIFIC DEFINES ********************************/

155
drivers/s390/scsi/zfcp_erp.c
View File

@ -9,6 +9,7 @@
#define KMSG_COMPONENT "zfcp"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
#include <linux/kthread.h>
#include "zfcp_ext.h"
#define ZFCP_MAX_ERPS 3
@ -26,7 +27,6 @@ enum zfcp_erp_steps {
ZFCP_ERP_STEP_FSF_XCONFIG = 0x0001,
ZFCP_ERP_STEP_PHYS_PORT_CLOSING = 0x0010,
ZFCP_ERP_STEP_PORT_CLOSING = 0x0100,
ZFCP_ERP_STEP_NAMESERVER_LOOKUP = 0x0400,
ZFCP_ERP_STEP_PORT_OPENING = 0x0800,
ZFCP_ERP_STEP_UNIT_CLOSING = 0x1000,
ZFCP_ERP_STEP_UNIT_OPENING = 0x2000,
@ -75,9 +75,9 @@ static void zfcp_erp_action_ready(struct zfcp_erp_action *act)
struct zfcp_adapter *adapter = act->adapter;
list_move(&act->list, &act->adapter->erp_ready_head);
zfcp_rec_dbf_event_action("erardy1", act);
up(&adapter->erp_ready_sem);
zfcp_rec_dbf_event_thread("erardy2", adapter);
zfcp_dbf_rec_action("erardy1", act);
wake_up(&adapter->erp_ready_wq);
zfcp_dbf_rec_thread("erardy2", adapter->dbf);
}
static void zfcp_erp_action_dismiss(struct zfcp_erp_action *act)
@ -150,6 +150,9 @@ static int zfcp_erp_required_act(int want, struct zfcp_adapter *adapter,
a_status = atomic_read(&adapter->status);
if (a_status & ZFCP_STATUS_COMMON_ERP_INUSE)
return 0;
if (!(a_status & ZFCP_STATUS_COMMON_RUNNING) &&
!(a_status & ZFCP_STATUS_COMMON_OPEN))
return 0; /* shutdown requested for closed adapter */
}
return need;
@ -213,8 +216,7 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
int retval = 1, need;
struct zfcp_erp_action *act = NULL;
if (!(atomic_read(&adapter->status) &
ZFCP_STATUS_ADAPTER_ERP_THREAD_UP))
if (!adapter->erp_thread)
return -EIO;
need = zfcp_erp_required_act(want, adapter, port, unit);
@ -227,12 +229,11 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
goto out;
++adapter->erp_total_count;
list_add_tail(&act->list, &adapter->erp_ready_head);
up(&adapter->erp_ready_sem);
zfcp_rec_dbf_event_thread("eracte1", adapter);
wake_up(&adapter->erp_ready_wq);
zfcp_dbf_rec_thread("eracte1", adapter->dbf);
retval = 0;
out:
zfcp_rec_dbf_event_trigger(id, ref, want, need, act,
adapter, port, unit);
zfcp_dbf_rec_trigger(id, ref, want, need, act, adapter, port, unit);
return retval;
}
@ -443,28 +444,28 @@ static int status_change_clear(unsigned long mask, atomic_t *status)
static void zfcp_erp_adapter_unblock(struct zfcp_adapter *adapter)
{
if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status))
zfcp_rec_dbf_event_adapter("eraubl1", NULL, adapter);
zfcp_dbf_rec_adapter("eraubl1", NULL, adapter->dbf);
atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status);
}
static void zfcp_erp_port_unblock(struct zfcp_port *port)
{
if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &port->status))
zfcp_rec_dbf_event_port("erpubl1", NULL, port);
zfcp_dbf_rec_port("erpubl1", NULL, port);
atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &port->status);
}
static void zfcp_erp_unit_unblock(struct zfcp_unit *unit)
{
if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &unit->status))
zfcp_rec_dbf_event_unit("eruubl1", NULL, unit);
zfcp_dbf_rec_unit("eruubl1", NULL, unit);
atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &unit->status);
}
static void zfcp_erp_action_to_running(struct zfcp_erp_action *erp_action)
{
list_move(&erp_action->list, &erp_action->adapter->erp_running_head);
zfcp_rec_dbf_event_action("erator1", erp_action);
zfcp_dbf_rec_action("erator1", erp_action);
}
static void zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *act)
@ -480,13 +481,12 @@ static void zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *act)
if (act->status & (ZFCP_STATUS_ERP_DISMISSED |
ZFCP_STATUS_ERP_TIMEDOUT)) {
act->fsf_req->status |= ZFCP_STATUS_FSFREQ_DISMISSED;
zfcp_rec_dbf_event_action("erscf_1", act);
zfcp_dbf_rec_action("erscf_1", act);
act->fsf_req->erp_action = NULL;
}
if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)
zfcp_rec_dbf_event_action("erscf_2", act);
if (act->fsf_req->status & (ZFCP_STATUS_FSFREQ_COMPLETED |
ZFCP_STATUS_FSFREQ_DISMISSED))
zfcp_dbf_rec_action("erscf_2", act);
if (act->fsf_req->status & ZFCP_STATUS_FSFREQ_DISMISSED)
act->fsf_req = NULL;
} else
act->fsf_req = NULL;
@ -604,9 +604,11 @@ static void zfcp_erp_wakeup(struct zfcp_adapter *adapter)
static int zfcp_erp_adapter_strategy_open_qdio(struct zfcp_erp_action *act)
{
if (zfcp_qdio_open(act->adapter))
struct zfcp_qdio *qdio = act->adapter->qdio;
if (zfcp_qdio_open(qdio))
return ZFCP_ERP_FAILED;
init_waitqueue_head(&act->adapter->request_wq);
init_waitqueue_head(&qdio->req_q_wq);
atomic_set_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &act->adapter->status);
return ZFCP_ERP_SUCCEEDED;
}
@ -641,9 +643,10 @@ static int zfcp_erp_adapter_strat_fsf_xconf(struct zfcp_erp_action *erp_action)
return ZFCP_ERP_FAILED;
}
zfcp_rec_dbf_event_thread_lock("erasfx1", adapter);
down(&adapter->erp_ready_sem);
zfcp_rec_dbf_event_thread_lock("erasfx2", adapter);
zfcp_dbf_rec_thread_lock("erasfx1", adapter->dbf);
wait_event(adapter->erp_ready_wq,
!list_empty(&adapter->erp_ready_head));
zfcp_dbf_rec_thread_lock("erasfx2", adapter->dbf);
if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT)
break;
@ -682,9 +685,10 @@ static int zfcp_erp_adapter_strategy_open_fsf_xport(struct zfcp_erp_action *act)
if (ret)
return ZFCP_ERP_FAILED;
zfcp_rec_dbf_event_thread_lock("erasox1", adapter);
down(&adapter->erp_ready_sem);
zfcp_rec_dbf_event_thread_lock("erasox2", adapter);
zfcp_dbf_rec_thread_lock("erasox1", adapter->dbf);
wait_event(adapter->erp_ready_wq,
!list_empty(&adapter->erp_ready_head));
zfcp_dbf_rec_thread_lock("erasox2", adapter->dbf);
if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)
return ZFCP_ERP_FAILED;
@ -711,10 +715,10 @@ static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act)
struct zfcp_adapter *adapter = act->adapter;
/* close queues to ensure that buffers are not accessed by adapter */
zfcp_qdio_close(adapter);
zfcp_qdio_close(adapter->qdio);
zfcp_fsf_req_dismiss_all(adapter);
adapter->fsf_req_seq_no = 0;
zfcp_fc_wka_port_force_offline(&adapter->gs->ds);
zfcp_fc_wka_ports_force_offline(adapter->gs);
/* all ports and units are closed */
zfcp_erp_modify_adapter_status(adapter, "erascl1", NULL,
ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR);
@ -841,27 +845,6 @@ static int zfcp_erp_open_ptp_port(struct zfcp_erp_action *act)
return zfcp_erp_port_strategy_open_port(act);
}
void zfcp_erp_port_strategy_open_lookup(struct work_struct *work)
{
int retval;
struct zfcp_port *port = container_of(work, struct zfcp_port,
gid_pn_work);
retval = zfcp_fc_ns_gid_pn(&port->erp_action);
if (!retval) {
port->erp_action.step = ZFCP_ERP_STEP_NAMESERVER_LOOKUP;
goto out;
}
if (retval == -ENOMEM) {
zfcp_erp_notify(&port->erp_action, ZFCP_STATUS_ERP_LOWMEM);
goto out;
}
/* all other error condtions */
zfcp_erp_notify(&port->erp_action, 0);
out:
zfcp_port_put(port);
}
static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
{
struct zfcp_adapter *adapter = act->adapter;
@ -876,15 +859,11 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
return zfcp_erp_open_ptp_port(act);
if (!port->d_id) {
zfcp_port_get(port);
if (!queue_work(zfcp_data.work_queue,
if (!queue_work(adapter->work_queue,
&port->gid_pn_work))
zfcp_port_put(port);
return ZFCP_ERP_CONTINUES;
return ZFCP_ERP_EXIT;
}
/* fall through */
case ZFCP_ERP_STEP_NAMESERVER_LOOKUP:
if (!port->d_id)
return ZFCP_ERP_FAILED;
return zfcp_erp_port_strategy_open_port(act);
case ZFCP_ERP_STEP_PORT_OPENING:
@ -1163,7 +1142,7 @@ static void zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action)
}
list_del(&erp_action->list);
zfcp_rec_dbf_event_action("eractd1", erp_action);
zfcp_dbf_rec_action("eractd1", erp_action);
switch (erp_action->action) {
case ZFCP_ERP_ACTION_REOPEN_UNIT:
@ -1311,20 +1290,16 @@ static int zfcp_erp_thread(void *data)
struct list_head *next;
struct zfcp_erp_action *act;
unsigned long flags;
int ignore;
daemonize("zfcperp%s", dev_name(&adapter->ccw_device->dev));
/* Block all signals */
siginitsetinv(&current->blocked, 0);
atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
wake_up(&adapter->erp_thread_wqh);
for (;;) {
zfcp_dbf_rec_thread_lock("erthrd1", adapter->dbf);
wait_event_interruptible(adapter->erp_ready_wq,
!list_empty(&adapter->erp_ready_head) ||
kthread_should_stop());
zfcp_dbf_rec_thread_lock("erthrd2", adapter->dbf);
while (!(atomic_read(&adapter->status) &
ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL)) {
zfcp_rec_dbf_event_thread_lock("erthrd1", adapter);
ignore = down_interruptible(&adapter->erp_ready_sem);
zfcp_rec_dbf_event_thread_lock("erthrd2", adapter);
if (kthread_should_stop())
break;
write_lock_irqsave(&adapter->erp_lock, flags);
next = adapter->erp_ready_head.next;
@ -1339,9 +1314,6 @@ static int zfcp_erp_thread(void *data)
}
}
atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
wake_up(&adapter->erp_thread_wqh);
return 0;
}
@ -1353,18 +1325,17 @@ static int zfcp_erp_thread(void *data)
*/
int zfcp_erp_thread_setup(struct zfcp_adapter *adapter)
{
int retval;
struct task_struct *thread;
atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
retval = kernel_thread(zfcp_erp_thread, adapter, SIGCHLD);
if (retval < 0) {
thread = kthread_run(zfcp_erp_thread, adapter, "zfcperp%s",
dev_name(&adapter->ccw_device->dev));
if (IS_ERR(thread)) {
dev_err(&adapter->ccw_device->dev,
"Creating an ERP thread for the FCP device failed.\n");
return retval;
return PTR_ERR(thread);
}
wait_event(adapter->erp_thread_wqh,
atomic_read(&adapter->status) &
ZFCP_STATUS_ADAPTER_ERP_THREAD_UP);
adapter->erp_thread = thread;
return 0;
}
@ -1379,16 +1350,10 @@ int zfcp_erp_thread_setup(struct zfcp_adapter *adapter)
*/
void zfcp_erp_thread_kill(struct zfcp_adapter *adapter)
{
atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL, &adapter->status);
up(&adapter->erp_ready_sem);
zfcp_rec_dbf_event_thread_lock("erthrk1", adapter);
wait_event(adapter->erp_thread_wqh,
!(atomic_read(&adapter->status) &
ZFCP_STATUS_ADAPTER_ERP_THREAD_UP));
atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL,
&adapter->status);
kthread_stop(adapter->erp_thread);
adapter->erp_thread = NULL;
WARN_ON(!list_empty(&adapter->erp_ready_head));
WARN_ON(!list_empty(&adapter->erp_running_head));
}
/**
@ -1456,11 +1421,11 @@ void zfcp_erp_modify_adapter_status(struct zfcp_adapter *adapter, char *id,
if (set_or_clear == ZFCP_SET) {
if (status_change_set(mask, &adapter->status))
zfcp_rec_dbf_event_adapter(id, ref, adapter);
zfcp_dbf_rec_adapter(id, ref, adapter->dbf);
atomic_set_mask(mask, &adapter->status);
} else {
if (status_change_clear(mask, &adapter->status))
zfcp_rec_dbf_event_adapter(id, ref, adapter);
zfcp_dbf_rec_adapter(id, ref, adapter->dbf);
atomic_clear_mask(mask, &adapter->status);
if (mask & ZFCP_STATUS_COMMON_ERP_FAILED)
atomic_set(&adapter->erp_counter, 0);
@ -1490,11 +1455,11 @@ void zfcp_erp_modify_port_status(struct zfcp_port *port, char *id, void *ref,
if (set_or_clear == ZFCP_SET) {
if (status_change_set(mask, &port->status))
zfcp_rec_dbf_event_port(id, ref, port);
zfcp_dbf_rec_port(id, ref, port);
atomic_set_mask(mask, &port->status);
} else {
if (status_change_clear(mask, &port->status))
zfcp_rec_dbf_event_port(id, ref, port);
zfcp_dbf_rec_port(id, ref, port);
atomic_clear_mask(mask, &port->status);
if (mask & ZFCP_STATUS_COMMON_ERP_FAILED)
atomic_set(&port->erp_counter, 0);
@ -1519,11 +1484,11 @@ void zfcp_erp_modify_unit_status(struct zfcp_unit *unit, char *id, void *ref,
{
if (set_or_clear == ZFCP_SET) {
if (status_change_set(mask, &unit->status))
zfcp_rec_dbf_event_unit(id, ref, unit);
zfcp_dbf_rec_unit(id, ref, unit);
atomic_set_mask(mask, &unit->status);
} else {
if (status_change_clear(mask, &unit->status))
zfcp_rec_dbf_event_unit(id, ref, unit);
zfcp_dbf_rec_unit(id, ref, unit);
atomic_clear_mask(mask, &unit->status);
if (mask & ZFCP_STATUS_COMMON_ERP_FAILED) {
atomic_set(&unit->erp_counter, 0);

102
drivers/s390/scsi/zfcp_ext.h
View File

@ -34,37 +34,31 @@ extern struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
extern struct miscdevice zfcp_cfdc_misc;
/* zfcp_dbf.c */
extern int zfcp_adapter_debug_register(struct zfcp_adapter *);
extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *);
extern void zfcp_rec_dbf_event_thread(char *, struct zfcp_adapter *);
extern void zfcp_rec_dbf_event_thread_lock(char *, struct zfcp_adapter *);
extern void zfcp_rec_dbf_event_adapter(char *, void *, struct zfcp_adapter *);
extern void zfcp_rec_dbf_event_port(char *, void *, struct zfcp_port *);
extern void zfcp_rec_dbf_event_unit(char *, void *, struct zfcp_unit *);
extern void zfcp_rec_dbf_event_trigger(char *, void *, u8, u8, void *,
struct zfcp_adapter *,
struct zfcp_port *, struct zfcp_unit *);
extern void zfcp_rec_dbf_event_action(char *, struct zfcp_erp_action *);
extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *);
extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
struct fsf_status_read_buffer *);
extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *, unsigned int, int,
int);
extern void zfcp_hba_dbf_event_berr(struct zfcp_adapter *,
struct zfcp_fsf_req *);
extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *,
struct scsi_cmnd *,
struct zfcp_fsf_req *);
extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *,
struct scsi_cmnd *, struct zfcp_fsf_req *,
unsigned long);
extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *,
struct scsi_cmnd *);
extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *);
extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *);
extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *);
extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *);
extern void zfcp_dbf_rec_unit(char *, void *, struct zfcp_unit *);
extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *,
struct zfcp_adapter *, struct zfcp_port *,
struct zfcp_unit *);
extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *);
extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *,
struct zfcp_dbf *);
extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *,
struct fsf_status_read_buffer *);
extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int);
extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *);
extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *);
extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *);
extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *);
extern void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *);
extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
struct scsi_cmnd *, struct zfcp_fsf_req *,
unsigned long);
/* zfcp_erp.c */
extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *,
@ -96,22 +90,20 @@ extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *);
extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *,
void *);
extern void zfcp_erp_timeout_handler(unsigned long);
extern void zfcp_erp_port_strategy_open_lookup(struct work_struct *);
/* zfcp_fc.c */
extern int zfcp_scan_ports(struct zfcp_adapter *);
extern void _zfcp_scan_ports_later(struct work_struct *);
extern int zfcp_fc_scan_ports(struct zfcp_adapter *);
extern void _zfcp_fc_scan_ports_later(struct work_struct *);
extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
extern int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *);
extern void zfcp_fc_port_did_lookup(struct work_struct *);
extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
extern void zfcp_test_link(struct zfcp_port *);
extern void zfcp_fc_test_link(struct zfcp_port *);
extern void zfcp_fc_link_test_work(struct work_struct *);
extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
extern void zfcp_fc_wka_ports_init(struct zfcp_adapter *);
extern void zfcp_fc_wka_ports_force_offline(struct zfcp_wka_ports *);
extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
extern int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *);
extern int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *);
extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
/* zfcp_fsf.c */
extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
@ -122,37 +114,39 @@ extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *,
extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
struct fsf_qtcb_bottom_config *);
extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *,
extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
struct fsf_qtcb_bottom_port *);
extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
struct zfcp_fsf_cfdc *);
extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
extern int zfcp_fsf_status_read(struct zfcp_adapter *);
extern int zfcp_fsf_status_read(struct zfcp_qdio *);
extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
struct zfcp_erp_action *);
extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *);
extern int zfcp_fsf_send_els(struct zfcp_send_els *);
extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *,
struct scsi_cmnd *);
extern void zfcp_fsf_req_complete(struct zfcp_fsf_req *);
extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8);
extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long,
struct zfcp_unit *);
extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
/* zfcp_qdio.c */
extern int zfcp_qdio_allocate(struct zfcp_adapter *);
extern void zfcp_qdio_free(struct zfcp_adapter *);
extern int zfcp_qdio_send(struct zfcp_fsf_req *);
extern struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_fsf_req *);
extern struct qdio_buffer_element *zfcp_qdio_sbale_curr(struct zfcp_fsf_req *);
extern int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *, unsigned long,
extern int zfcp_qdio_setup(struct zfcp_adapter *);
extern void zfcp_qdio_destroy(struct zfcp_qdio *);
extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_queue_req *);
extern struct qdio_buffer_element
*zfcp_qdio_sbale_req(struct zfcp_qdio *, struct zfcp_queue_req *);
extern struct qdio_buffer_element
*zfcp_qdio_sbale_curr(struct zfcp_qdio *, struct zfcp_queue_req *);
extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *,
struct zfcp_queue_req *, unsigned long,
struct scatterlist *, int);
extern int zfcp_qdio_open(struct zfcp_adapter *);
extern void zfcp_qdio_close(struct zfcp_adapter *);
extern int zfcp_qdio_open(struct zfcp_qdio *);
extern void zfcp_qdio_close(struct zfcp_qdio *);
/* zfcp_scsi.c */
extern struct zfcp_data zfcp_data;

176
drivers/s390/scsi/zfcp_fc.c
View File

@ -25,14 +25,6 @@ static u32 rscn_range_mask[] = {
[RSCN_FABRIC_ADDRESS] = 0x000000,
};
struct ct_iu_gpn_ft_req {
struct ct_hdr header;
u8 flags;
u8 domain_id_scope;
u8 area_id_scope;
u8 fc4_type;
} __attribute__ ((packed));
struct gpn_ft_resp_acc {
u8 control;
u8 port_id[3];
@ -65,7 +57,7 @@ struct zfcp_fc_ns_handler_data {
unsigned long handler_data;
};
static int zfcp_wka_port_get(struct zfcp_wka_port *wka_port)
static int zfcp_fc_wka_port_get(struct zfcp_wka_port *wka_port)
{
if (mutex_lock_interruptible(&wka_port->mutex))
return -ERESTARTSYS;
@ -90,7 +82,7 @@ static int zfcp_wka_port_get(struct zfcp_wka_port *wka_port)
return -EIO;
}
static void zfcp_wka_port_offline(struct work_struct *work)
static void zfcp_fc_wka_port_offline(struct work_struct *work)
{
struct delayed_work *dw = to_delayed_work(work);
struct zfcp_wka_port *wka_port =
@ -110,7 +102,7 @@ out:
mutex_unlock(&wka_port->mutex);
}
static void zfcp_wka_port_put(struct zfcp_wka_port *wka_port)
static void zfcp_fc_wka_port_put(struct zfcp_wka_port *wka_port)
{
if (atomic_dec_return(&wka_port->refcount) != 0)
return;
@ -129,10 +121,10 @@ static void zfcp_fc_wka_port_init(struct zfcp_wka_port *wka_port, u32 d_id,
wka_port->status = ZFCP_WKA_PORT_OFFLINE;
atomic_set(&wka_port->refcount, 0);
mutex_init(&wka_port->mutex);
INIT_DELAYED_WORK(&wka_port->work, zfcp_wka_port_offline);
INIT_DELAYED_WORK(&wka_port->work, zfcp_fc_wka_port_offline);
}
void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka)
static void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka)
{
cancel_delayed_work_sync(&wka->work);
mutex_lock(&wka->mutex);
@ -140,15 +132,13 @@ void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka)
mutex_unlock(&wka->mutex);
}
void zfcp_fc_wka_ports_init(struct zfcp_adapter *adapter)
void zfcp_fc_wka_ports_force_offline(struct zfcp_wka_ports *gs)
{
struct zfcp_wka_ports *gs = adapter->gs;
zfcp_fc_wka_port_init(&gs->ms, FC_FID_MGMT_SERV, adapter);
zfcp_fc_wka_port_init(&gs->ts, FC_FID_TIME_SERV, adapter);
zfcp_fc_wka_port_init(&gs->ds, FC_FID_DIR_SERV, adapter);
zfcp_fc_wka_port_init(&gs->as, FC_FID_ALIASES, adapter);
zfcp_fc_wka_port_init(&gs->ks, FC_FID_SEC_KEY, adapter);
zfcp_fc_wka_port_force_offline(&gs->ms);
zfcp_fc_wka_port_force_offline(&gs->ts);
zfcp_fc_wka_port_force_offline(&gs->ds);
zfcp_fc_wka_port_force_offline(&gs->as);
zfcp_fc_wka_port_force_offline(&gs->ks);
}
static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
@ -160,7 +150,7 @@ static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
read_lock_irqsave(&zfcp_data.config_lock, flags);
list_for_each_entry(port, &fsf_req->adapter->port_list_head, list) {
if ((port->d_id & range) == (elem->nport_did & range))
zfcp_test_link(port);
zfcp_fc_test_link(port);
if (!port->d_id)
zfcp_erp_port_reopen(port,
ZFCP_STATUS_COMMON_ERP_FAILED,
@ -241,7 +231,7 @@ void zfcp_fc_incoming_els(struct zfcp_fsf_req *fsf_req)
(struct fsf_status_read_buffer *) fsf_req->data;
unsigned int els_type = status_buffer->payload.data[0];
zfcp_san_dbf_event_incoming_els(fsf_req);
zfcp_dbf_san_incoming_els(fsf_req);
if (els_type == LS_PLOGI)
zfcp_fc_incoming_plogi(fsf_req);
else if (els_type == LS_LOGO)
@ -281,19 +271,18 @@ static void zfcp_fc_ns_gid_pn_eval(unsigned long data)
port->d_id = ct_iu_resp->d_id & ZFCP_DID_MASK;
}
int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action,
static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port,
struct zfcp_gid_pn_data *gid_pn)
{
struct zfcp_adapter *adapter = erp_action->adapter;
struct zfcp_adapter *adapter = port->adapter;
struct zfcp_fc_ns_handler_data compl_rec;
int ret;
/* setup parameters for send generic command */
gid_pn->port = erp_action->port;
gid_pn->port = port;
gid_pn->ct.wka_port = &adapter->gs->ds;
gid_pn->ct.handler = zfcp_fc_ns_handler;
gid_pn->ct.handler_data = (unsigned long) &compl_rec;
gid_pn->ct.timeout = ZFCP_NS_GID_PN_TIMEOUT;
gid_pn->ct.req = &gid_pn->req;
gid_pn->ct.resp = &gid_pn->resp;
sg_init_one(&gid_pn->req, &gid_pn->ct_iu_req,
@ -308,13 +297,12 @@ int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action,
gid_pn->ct_iu_req.header.options = ZFCP_CT_SYNCHRONOUS;
gid_pn->ct_iu_req.header.cmd_rsp_code = ZFCP_CT_GID_PN;
gid_pn->ct_iu_req.header.max_res_size = ZFCP_CT_SIZE_ONE_PAGE / 4;
gid_pn->ct_iu_req.wwpn = erp_action->port->wwpn;
gid_pn->ct_iu_req.wwpn = port->wwpn;
init_completion(&compl_rec.done);
compl_rec.handler = zfcp_fc_ns_gid_pn_eval;
compl_rec.handler_data = (unsigned long) gid_pn;
ret = zfcp_fsf_send_ct(&gid_pn->ct, adapter->pool.fsf_req_erp,
erp_action);
ret = zfcp_fsf_send_ct(&gid_pn->ct, adapter->pool.gid_pn_req);
if (!ret)
wait_for_completion(&compl_rec.done);
return ret;
@ -322,33 +310,56 @@ int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action,
/**
* zfcp_fc_ns_gid_pn_request - initiate GID_PN nameserver request
* @erp_action: pointer to zfcp_erp_action where GID_PN request is needed
* @port: port where GID_PN request is needed
* return: -ENOMEM on error, 0 otherwise
*/
int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *erp_action)
static int zfcp_fc_ns_gid_pn(struct zfcp_port *port)
{
int ret;
struct zfcp_gid_pn_data *gid_pn;
struct zfcp_adapter *adapter = erp_action->adapter;
struct zfcp_adapter *adapter = port->adapter;
gid_pn = mempool_alloc(adapter->pool.data_gid_pn, GFP_ATOMIC);
gid_pn = mempool_alloc(adapter->pool.gid_pn_data, GFP_ATOMIC);
if (!gid_pn)
return -ENOMEM;
memset(gid_pn, 0, sizeof(*gid_pn));
ret = zfcp_wka_port_get(&adapter->gs->ds);
ret = zfcp_fc_wka_port_get(&adapter->gs->ds);
if (ret)
goto out;
ret = zfcp_fc_ns_gid_pn_request(erp_action, gid_pn);
ret = zfcp_fc_ns_gid_pn_request(port, gid_pn);
zfcp_wka_port_put(&adapter->gs->ds);
zfcp_fc_wka_port_put(&adapter->gs->ds);
out:
mempool_free(gid_pn, adapter->pool.data_gid_pn);
mempool_free(gid_pn, adapter->pool.gid_pn_data);
return ret;
}
void zfcp_fc_port_did_lookup(struct work_struct *work)
{
int ret;
struct zfcp_port *port = container_of(work, struct zfcp_port,
gid_pn_work);
ret = zfcp_fc_ns_gid_pn(port);
if (ret) {
/* could not issue gid_pn for some reason */
zfcp_erp_adapter_reopen(port->adapter, 0, "fcgpn_1", NULL);
goto out;
}
if (!port->d_id) {
zfcp_erp_port_failed(port, "fcgpn_2", NULL);
goto out;
}
zfcp_erp_port_reopen(port, 0, "fcgpn_3", NULL);
out:
zfcp_port_put(port);
}
/**
* zfcp_fc_plogi_evaluate - evaluate PLOGI playload
* @port: zfcp_port structure
@ -404,6 +415,7 @@ static void zfcp_fc_adisc_handler(unsigned long data)
/* port is good, unblock rport without going through erp */
zfcp_scsi_schedule_rport_register(port);
out:
atomic_clear_mask(ZFCP_STATUS_PORT_LINK_TEST, &port->status);
zfcp_port_put(port);
kfree(adisc);
}
@ -450,28 +462,36 @@ void zfcp_fc_link_test_work(struct work_struct *work)
port->rport_task = RPORT_DEL;
zfcp_scsi_rport_work(&port->rport_work);
/* only issue one test command at one time per port */
if (atomic_read(&port->status) & ZFCP_STATUS_PORT_LINK_TEST)
goto out;
atomic_set_mask(ZFCP_STATUS_PORT_LINK_TEST, &port->status);
retval = zfcp_fc_adisc(port);
if (retval == 0)
return;
/* send of ADISC was not possible */
atomic_clear_mask(ZFCP_STATUS_PORT_LINK_TEST, &port->status);
zfcp_erp_port_forced_reopen(port, 0, "fcltwk1", NULL);
out:
zfcp_port_put(port);
}
/**
* zfcp_test_link - lightweight link test procedure
* zfcp_fc_test_link - lightweight link test procedure
* @port: port to be tested
*
* Test status of a link to a remote port using the ELS command ADISC.
* If there is a problem with the remote port, error recovery steps
* will be triggered.
*/
void zfcp_test_link(struct zfcp_port *port)
void zfcp_fc_test_link(struct zfcp_port *port)
{
zfcp_port_get(port);
if (!queue_work(zfcp_data.work_queue, &port->test_link_work))
if (!queue_work(port->adapter->work_queue, &port->test_link_work))
zfcp_port_put(port);
}
@ -479,7 +499,7 @@ static void zfcp_free_sg_env(struct zfcp_gpn_ft *gpn_ft, int buf_num)
{
struct scatterlist *sg = &gpn_ft->sg_req;
kfree(sg_virt(sg)); /* free request buffer */
kmem_cache_free(zfcp_data.gpn_ft_cache, sg_virt(sg));
zfcp_sg_free_table(gpn_ft->sg_resp, buf_num);
kfree(gpn_ft);
@ -494,7 +514,7 @@ static struct zfcp_gpn_ft *zfcp_alloc_sg_env(int buf_num)
if (!gpn_ft)
return NULL;
req = kzalloc(sizeof(struct ct_iu_gpn_ft_req), GFP_KERNEL);
req = kmem_cache_alloc(zfcp_data.gpn_ft_cache, GFP_KERNEL);
if (!req) {
kfree(gpn_ft);
gpn_ft = NULL;
@ -511,9 +531,8 @@ out:
}
static int zfcp_scan_issue_gpn_ft(struct zfcp_gpn_ft *gpn_ft,
struct zfcp_adapter *adapter,
int max_bytes)
static int zfcp_fc_send_gpn_ft(struct zfcp_gpn_ft *gpn_ft,
struct zfcp_adapter *adapter, int max_bytes)
{
struct zfcp_send_ct *ct = &gpn_ft->ct;
struct ct_iu_gpn_ft_req *req = sg_virt(&gpn_ft->sg_req);
@ -536,19 +555,18 @@ static int zfcp_scan_issue_gpn_ft(struct zfcp_gpn_ft *gpn_ft,
ct->wka_port = &adapter->gs->ds;
ct->handler = zfcp_fc_ns_handler;
ct->handler_data = (unsigned long)&compl_rec;
ct->timeout = 10;
ct->req = &gpn_ft->sg_req;
ct->resp = gpn_ft->sg_resp;
init_completion(&compl_rec.done);
compl_rec.handler = NULL;
ret = zfcp_fsf_send_ct(ct, NULL, NULL);
ret = zfcp_fsf_send_ct(ct, NULL);
if (!ret)
wait_for_completion(&compl_rec.done);
return ret;
}
static void zfcp_validate_port(struct zfcp_port *port)
static void zfcp_fc_validate_port(struct zfcp_port *port)
{
struct zfcp_adapter *adapter = port->adapter;
@ -568,7 +586,7 @@ static void zfcp_validate_port(struct zfcp_port *port)
zfcp_port_dequeue(port);
}
static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries)
static int zfcp_fc_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries)
{
struct zfcp_send_ct *ct = &gpn_ft->ct;
struct scatterlist *sg = gpn_ft->sg_resp;
@ -595,7 +613,7 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries)
return -E2BIG;
}
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
/* first entry is the header */
for (x = 1; x < max_entries && !last; x++) {
@ -628,16 +646,16 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries)
zfcp_erp_wait(adapter);
list_for_each_entry_safe(port, tmp, &adapter->port_list_head, list)
zfcp_validate_port(port);
up(&zfcp_data.config_sema);
zfcp_fc_validate_port(port);
mutex_unlock(&zfcp_data.config_mutex);
return ret;
}
/**
* zfcp_scan_ports - scan remote ports and attach new ports
* zfcp_fc_scan_ports - scan remote ports and attach new ports
* @adapter: pointer to struct zfcp_adapter
*/
int zfcp_scan_ports(struct zfcp_adapter *adapter)
int zfcp_fc_scan_ports(struct zfcp_adapter *adapter)
{
int ret, i;
struct zfcp_gpn_ft *gpn_ft;
@ -652,7 +670,7 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV)
return 0;
ret = zfcp_wka_port_get(&adapter->gs->ds);
ret = zfcp_fc_wka_port_get(&adapter->gs->ds);
if (ret)
return ret;
@ -663,9 +681,9 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
}
for (i = 0; i < 3; i++) {
ret = zfcp_scan_issue_gpn_ft(gpn_ft, adapter, max_bytes);
ret = zfcp_fc_send_gpn_ft(gpn_ft, adapter, max_bytes);
if (!ret) {
ret = zfcp_scan_eval_gpn_ft(gpn_ft, max_entries);
ret = zfcp_fc_eval_gpn_ft(gpn_ft, max_entries);
if (ret == -EAGAIN)
ssleep(1);
else
@ -674,14 +692,14 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
}
zfcp_free_sg_env(gpn_ft, buf_num);
out:
zfcp_wka_port_put(&adapter->gs->ds);
zfcp_fc_wka_port_put(&adapter->gs->ds);
return ret;
}
void _zfcp_scan_ports_later(struct work_struct *work)
void _zfcp_fc_scan_ports_later(struct work_struct *work)
{
zfcp_scan_ports(container_of(work, struct zfcp_adapter, scan_work));
zfcp_fc_scan_ports(container_of(work, struct zfcp_adapter, scan_work));
}
struct zfcp_els_fc_job {
@ -732,7 +750,7 @@ int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *job)
els_fc_job->els.adapter = adapter;
if (rport) {
read_lock_irq(&zfcp_data.config_lock);
port = rport->dd_data;
port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
if (port)
els_fc_job->els.d_id = port->d_id;
read_unlock_irq(&zfcp_data.config_lock);
@ -771,7 +789,7 @@ static void zfcp_fc_generic_ct_handler(unsigned long data)
job->state_flags = FC_RQST_STATE_DONE;
job->job_done(job);
zfcp_wka_port_put(ct_fc_job->ct.wka_port);
zfcp_fc_wka_port_put(ct_fc_job->ct.wka_port);
kfree(ct_fc_job);
}
@ -817,7 +835,7 @@ int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *job)
return -EINVAL; /* no such service */
}
ret = zfcp_wka_port_get(ct_fc_job->ct.wka_port);
ret = zfcp_fc_wka_port_get(ct_fc_job->ct.wka_port);
if (ret) {
kfree(ct_fc_job);
return ret;
@ -825,16 +843,40 @@ int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *job)
ct_fc_job->ct.req = job->request_payload.sg_list;
ct_fc_job->ct.resp = job->reply_payload.sg_list;
ct_fc_job->ct.timeout = ZFCP_FSF_REQUEST_TIMEOUT;
ct_fc_job->ct.handler = zfcp_fc_generic_ct_handler;
ct_fc_job->ct.handler_data = (unsigned long) ct_fc_job;
ct_fc_job->ct.completion = NULL;
ct_fc_job->job = job;
ret = zfcp_fsf_send_ct(&ct_fc_job->ct, NULL, NULL);
ret = zfcp_fsf_send_ct(&ct_fc_job->ct, NULL);
if (ret) {
kfree(ct_fc_job);
zfcp_wka_port_put(ct_fc_job->ct.wka_port);
zfcp_fc_wka_port_put(ct_fc_job->ct.wka_port);
}
return ret;
}
int zfcp_fc_gs_setup(struct zfcp_adapter *adapter)
{
struct zfcp_wka_ports *wka_ports;
wka_ports = kzalloc(sizeof(struct zfcp_wka_ports), GFP_KERNEL);
if (!wka_ports)
return -ENOMEM;
adapter->gs = wka_ports;
zfcp_fc_wka_port_init(&wka_ports->ms, FC_FID_MGMT_SERV, adapter);
zfcp_fc_wka_port_init(&wka_ports->ts, FC_FID_TIME_SERV, adapter);
zfcp_fc_wka_port_init(&wka_ports->ds, FC_FID_DIR_SERV, adapter);
zfcp_fc_wka_port_init(&wka_ports->as, FC_FID_ALIASES, adapter);
zfcp_fc_wka_port_init(&wka_ports->ks, FC_FID_SEC_KEY, adapter);
return 0;
}
void zfcp_fc_gs_destroy(struct zfcp_adapter *adapter)
{
kfree(adapter->gs);
adapter->gs = NULL;
}

635
drivers/s390/scsi/zfcp_fsf.c
View File

File diff suppressed because it is too large Load Diff

3
drivers/s390/scsi/zfcp_fsf.h
View File

@ -3,13 +3,14 @@
*
* Interface to the FSF support functions.
*
* Copyright IBM Corporation 2002, 2008
* Copyright IBM Corporation 2002, 2009
*/
#ifndef FSF_H
#define FSF_H
#include <linux/pfn.h>
#include <linux/scatterlist.h>
#define FSF_QTCB_CURRENT_VERSION 0x00000001

367
drivers/s390/scsi/zfcp_qdio.c
View File

@ -3,7 +3,7 @@
*
* Setup and helper functions to access QDIO.
*
* Copyright IBM Corporation 2002, 2008
* Copyright IBM Corporation 2002, 2009
*/
#define KMSG_COMPONENT "zfcp"
@ -34,29 +34,10 @@ zfcp_qdio_sbale(struct zfcp_qdio_queue *q, int sbal_idx, int sbale_idx)
return &q->sbal[sbal_idx]->element[sbale_idx];
}
/**
* zfcp_qdio_free - free memory used by request- and resposne queue
* @adapter: pointer to the zfcp_adapter structure
*/
void zfcp_qdio_free(struct zfcp_adapter *adapter)
static void zfcp_qdio_handler_error(struct zfcp_qdio *qdio, char *id)
{
struct qdio_buffer **sbal_req, **sbal_resp;
int p;
struct zfcp_adapter *adapter = qdio->adapter;
if (adapter->ccw_device)
qdio_free(adapter->ccw_device);
sbal_req = adapter->req_q.sbal;
sbal_resp = adapter->resp_q.sbal;
for (p = 0; p < QDIO_MAX_BUFFERS_PER_Q; p += QBUFF_PER_PAGE) {
free_page((unsigned long) sbal_req[p]);
free_page((unsigned long) sbal_resp[p]);
}
}
static void zfcp_qdio_handler_error(struct zfcp_adapter *adapter, char *id)
{
dev_warn(&adapter->ccw_device->dev, "A QDIO problem occurred\n");
zfcp_erp_adapter_reopen(adapter,
@ -75,72 +56,47 @@ static void zfcp_qdio_zero_sbals(struct qdio_buffer *sbal[], int first, int cnt)
}
/* this needs to be called prior to updating the queue fill level */
static void zfcp_qdio_account(struct zfcp_adapter *adapter)
static inline void zfcp_qdio_account(struct zfcp_qdio *qdio)
{
ktime_t now;
s64 span;
unsigned long long now, span;
int free, used;
spin_lock(&adapter->qdio_stat_lock);
now = ktime_get();
span = ktime_us_delta(now, adapter->req_q_time);
free = max(0, atomic_read(&adapter->req_q.count));
spin_lock(&qdio->stat_lock);
now = get_clock_monotonic();
span = (now - qdio->req_q_time) >> 12;
free = atomic_read(&qdio->req_q.count);
used = QDIO_MAX_BUFFERS_PER_Q - free;
adapter->req_q_util += used * span;
adapter->req_q_time = now;
spin_unlock(&adapter->qdio_stat_lock);
qdio->req_q_util += used * span;
qdio->req_q_time = now;
spin_unlock(&qdio->stat_lock);
}
static void zfcp_qdio_int_req(struct ccw_device *cdev, unsigned int qdio_err,
int queue_no, int first, int count,
unsigned long parm)
{
struct zfcp_adapter *adapter = (struct zfcp_adapter *) parm;
struct zfcp_qdio_queue *queue = &adapter->req_q;
struct zfcp_qdio *qdio = (struct zfcp_qdio *) parm;
struct zfcp_qdio_queue *queue = &qdio->req_q;
if (unlikely(qdio_err)) {
zfcp_hba_dbf_event_qdio(adapter, qdio_err, first, count);
zfcp_qdio_handler_error(adapter, "qdireq1");
zfcp_dbf_hba_qdio(qdio->adapter->dbf, qdio_err, first,
count);
zfcp_qdio_handler_error(qdio, "qdireq1");
return;
}
/* cleanup all SBALs being program-owned now */
zfcp_qdio_zero_sbals(queue->sbal, first, count);
zfcp_qdio_account(adapter);
zfcp_qdio_account(qdio);
atomic_add(count, &queue->count);
wake_up(&adapter->request_wq);
wake_up(&qdio->req_q_wq);
}
static void zfcp_qdio_reqid_check(struct zfcp_adapter *adapter,
unsigned long req_id, int sbal_idx)
static void zfcp_qdio_resp_put_back(struct zfcp_qdio *qdio, int processed)
{
struct zfcp_fsf_req *fsf_req;
unsigned long flags;
spin_lock_irqsave(&adapter->req_list_lock, flags);
fsf_req = zfcp_reqlist_find(adapter, req_id);
if (!fsf_req)
/*
* Unknown request means that we have potentially memory
* corruption and must stop the machine immediatly.
*/
panic("error: unknown request id (%lx) on adapter %s.\n",
req_id, dev_name(&adapter->ccw_device->dev));
zfcp_reqlist_remove(adapter, fsf_req);
spin_unlock_irqrestore(&adapter->req_list_lock, flags);
fsf_req->sbal_response = sbal_idx;
fsf_req->qdio_inb_usage = atomic_read(&adapter->resp_q.count);
zfcp_fsf_req_complete(fsf_req);
}
static void zfcp_qdio_resp_put_back(struct zfcp_adapter *adapter, int processed)
{
struct zfcp_qdio_queue *queue = &adapter->resp_q;
struct ccw_device *cdev = adapter->ccw_device;
struct zfcp_qdio_queue *queue = &qdio->resp_q;
struct ccw_device *cdev = qdio->adapter->ccw_device;
u8 count, start = queue->first;
unsigned int retval;
@ -162,14 +118,13 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err,
int queue_no, int first, int count,
unsigned long parm)
{
struct zfcp_adapter *adapter = (struct zfcp_adapter *) parm;
struct zfcp_qdio_queue *queue = &adapter->resp_q;
struct qdio_buffer_element *sbale;
int sbal_idx, sbale_idx, sbal_no;
struct zfcp_qdio *qdio = (struct zfcp_qdio *) parm;
int sbal_idx, sbal_no;
if (unlikely(qdio_err)) {
zfcp_hba_dbf_event_qdio(adapter, qdio_err, first, count);
zfcp_qdio_handler_error(adapter, "qdires1");
zfcp_dbf_hba_qdio(qdio->adapter->dbf, qdio_err, first,
count);
zfcp_qdio_handler_error(qdio, "qdires1");
return;
}
@ -179,39 +134,27 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err,
*/
for (sbal_no = 0; sbal_no < count; sbal_no++) {
sbal_idx = (first + sbal_no) % QDIO_MAX_BUFFERS_PER_Q;
/* go through all SBALEs of SBAL */
for (sbale_idx = 0; sbale_idx < QDIO_MAX_ELEMENTS_PER_BUFFER;
sbale_idx++) {
sbale = zfcp_qdio_sbale(queue, sbal_idx, sbale_idx);
zfcp_qdio_reqid_check(adapter,
(unsigned long) sbale->addr,
sbal_idx);
if (likely(sbale->flags & SBAL_FLAGS_LAST_ENTRY))
break;
};
if (unlikely(!(sbale->flags & SBAL_FLAGS_LAST_ENTRY)))
dev_warn(&adapter->ccw_device->dev,
"A QDIO protocol error occurred, "
"operations continue\n");
zfcp_fsf_reqid_check(qdio, sbal_idx);
}
/*
* put range of SBALs back to response queue
* (including SBALs which have already been free before)
*/
zfcp_qdio_resp_put_back(adapter, count);
zfcp_qdio_resp_put_back(qdio, count);
}
/**
* zfcp_qdio_sbale_req - return ptr to SBALE of req_q for a struct zfcp_fsf_req
* @fsf_req: pointer to struct fsf_req
* @qdio: pointer to struct zfcp_qdio
* @q_rec: pointer to struct zfcp_queue_rec
* Returns: pointer to qdio_buffer_element (SBALE) structure
*/
struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_fsf_req *req)
struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_qdio *qdio,
struct zfcp_queue_req *q_req)
{
return zfcp_qdio_sbale(&req->adapter->req_q, req->sbal_last, 0);
return zfcp_qdio_sbale(&qdio->req_q, q_req->sbal_last, 0);
}
/**
@ -219,74 +162,80 @@ struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_fsf_req *req)
* @fsf_req: pointer to struct fsf_req
* Returns: pointer to qdio_buffer_element (SBALE) structure
*/
struct qdio_buffer_element *zfcp_qdio_sbale_curr(struct zfcp_fsf_req *req)
struct qdio_buffer_element *zfcp_qdio_sbale_curr(struct zfcp_qdio *qdio,
struct zfcp_queue_req *q_req)
{
return zfcp_qdio_sbale(&req->adapter->req_q, req->sbal_last,
req->sbale_curr);
return zfcp_qdio_sbale(&qdio->req_q, q_req->sbal_last,
q_req->sbale_curr);
}
static void zfcp_qdio_sbal_limit(struct zfcp_fsf_req *fsf_req, int max_sbals)
static void zfcp_qdio_sbal_limit(struct zfcp_qdio *qdio,
struct zfcp_queue_req *q_req, int max_sbals)
{
int count = atomic_read(&fsf_req->adapter->req_q.count);
int count = atomic_read(&qdio->req_q.count);
count = min(count, max_sbals);
fsf_req->sbal_limit = (fsf_req->sbal_first + count - 1)
q_req->sbal_limit = (q_req->sbal_first + count - 1)
% QDIO_MAX_BUFFERS_PER_Q;
}
static struct qdio_buffer_element *
zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
zfcp_qdio_sbal_chain(struct zfcp_qdio *qdio, struct zfcp_queue_req *q_req,
unsigned long sbtype)
{
struct qdio_buffer_element *sbale;
/* set last entry flag in current SBALE of current SBAL */
sbale = zfcp_qdio_sbale_curr(fsf_req);
sbale = zfcp_qdio_sbale_curr(qdio, q_req);
sbale->flags |= SBAL_FLAGS_LAST_ENTRY;
/* don't exceed last allowed SBAL */
if (fsf_req->sbal_last == fsf_req->sbal_limit)
if (q_req->sbal_last == q_req->sbal_limit)
return NULL;
/* set chaining flag in first SBALE of current SBAL */
sbale = zfcp_qdio_sbale_req(fsf_req);
sbale = zfcp_qdio_sbale_req(qdio, q_req);
sbale->flags |= SBAL_FLAGS0_MORE_SBALS;
/* calculate index of next SBAL */
fsf_req->sbal_last++;
fsf_req->sbal_last %= QDIO_MAX_BUFFERS_PER_Q;
q_req->sbal_last++;
q_req->sbal_last %= QDIO_MAX_BUFFERS_PER_Q;
/* keep this requests number of SBALs up-to-date */
fsf_req->sbal_number++;
q_req->sbal_number++;
/* start at first SBALE of new SBAL */
fsf_req->sbale_curr = 0;
q_req->sbale_curr = 0;
/* set storage-block type for new SBAL */
sbale = zfcp_qdio_sbale_curr(fsf_req);
sbale = zfcp_qdio_sbale_curr(qdio, q_req);
sbale->flags |= sbtype;
return sbale;
}
static struct qdio_buffer_element *
zfcp_qdio_sbale_next(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
zfcp_qdio_sbale_next(struct zfcp_qdio *qdio, struct zfcp_queue_req *q_req,
unsigned int sbtype)
{
if (fsf_req->sbale_curr == ZFCP_LAST_SBALE_PER_SBAL)
return zfcp_qdio_sbal_chain(fsf_req, sbtype);
fsf_req->sbale_curr++;
return zfcp_qdio_sbale_curr(fsf_req);
if (q_req->sbale_curr == ZFCP_LAST_SBALE_PER_SBAL)
return zfcp_qdio_sbal_chain(qdio, q_req, sbtype);
q_req->sbale_curr++;
return zfcp_qdio_sbale_curr(qdio, q_req);
}
static void zfcp_qdio_undo_sbals(struct zfcp_fsf_req *fsf_req)
static void zfcp_qdio_undo_sbals(struct zfcp_qdio *qdio,
struct zfcp_queue_req *q_req)
{
struct qdio_buffer **sbal = fsf_req->adapter->req_q.sbal;
int first = fsf_req->sbal_first;
int last = fsf_req->sbal_last;
struct qdio_buffer **sbal = qdio->req_q.sbal;
int first = q_req->sbal_first;
int last = q_req->sbal_last;
int count = (last - first + QDIO_MAX_BUFFERS_PER_Q) %
QDIO_MAX_BUFFERS_PER_Q + 1;
zfcp_qdio_zero_sbals(sbal, first, count);
}
static int zfcp_qdio_fill_sbals(struct zfcp_fsf_req *fsf_req,
static int zfcp_qdio_fill_sbals(struct zfcp_qdio *qdio,
struct zfcp_queue_req *q_req,
unsigned int sbtype, void *start_addr,
unsigned int total_length)
{
@ -297,10 +246,10 @@ static int zfcp_qdio_fill_sbals(struct zfcp_fsf_req *fsf_req,
/* split segment up */
for (addr = start_addr, remaining = total_length; remaining > 0;
addr += length, remaining -= length) {
sbale = zfcp_qdio_sbale_next(fsf_req, sbtype);
sbale = zfcp_qdio_sbale_next(qdio, q_req, sbtype);
if (!sbale) {
atomic_inc(&fsf_req->adapter->qdio_outb_full);
zfcp_qdio_undo_sbals(fsf_req);
atomic_inc(&qdio->req_q_full);
zfcp_qdio_undo_sbals(qdio, q_req);
return -EINVAL;
}
@ -322,29 +271,31 @@ static int zfcp_qdio_fill_sbals(struct zfcp_fsf_req *fsf_req,
* @max_sbals: upper bound for number of SBALs to be used
* Returns: number of bytes, or error (negativ)
*/
int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
struct scatterlist *sg, int max_sbals)
int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio,
struct zfcp_queue_req *q_req,
unsigned long sbtype, struct scatterlist *sg,
int max_sbals)
{
struct qdio_buffer_element *sbale;
int retval, bytes = 0;
/* figure out last allowed SBAL */
zfcp_qdio_sbal_limit(fsf_req, max_sbals);
zfcp_qdio_sbal_limit(qdio, q_req, max_sbals);
/* set storage-block type for this request */
sbale = zfcp_qdio_sbale_req(fsf_req);
sbale = zfcp_qdio_sbale_req(qdio, q_req);
sbale->flags |= sbtype;
for (; sg; sg = sg_next(sg)) {
retval = zfcp_qdio_fill_sbals(fsf_req, sbtype, sg_virt(sg),
sg->length);
retval = zfcp_qdio_fill_sbals(qdio, q_req, sbtype,
sg_virt(sg), sg->length);
if (retval < 0)
return retval;
bytes += sg->length;
}
/* assume that no other SBALEs are to follow in the same SBAL */
sbale = zfcp_qdio_sbale_curr(fsf_req);
sbale = zfcp_qdio_sbale_curr(qdio, q_req);
sbale->flags |= SBAL_FLAGS_LAST_ENTRY;
return bytes;
@ -352,21 +303,22 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
/**
* zfcp_qdio_send - set PCI flag in first SBALE and send req to QDIO
* @fsf_req: pointer to struct zfcp_fsf_req
* @qdio: pointer to struct zfcp_qdio
* @q_req: pointer to struct zfcp_queue_req
* Returns: 0 on success, error otherwise
*/
int zfcp_qdio_send(struct zfcp_fsf_req *fsf_req)
int zfcp_qdio_send(struct zfcp_qdio *qdio, struct zfcp_queue_req *q_req)
{
struct zfcp_adapter *adapter = fsf_req->adapter;
struct zfcp_qdio_queue *req_q = &adapter->req_q;
int first = fsf_req->sbal_first;
int count = fsf_req->sbal_number;
struct zfcp_qdio_queue *req_q = &qdio->req_q;
int first = q_req->sbal_first;
int count = q_req->sbal_number;
int retval;
unsigned int qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
zfcp_qdio_account(adapter);
zfcp_qdio_account(qdio);
retval = do_QDIO(adapter->ccw_device, qdio_flags, 0, first, count);
retval = do_QDIO(qdio->adapter->ccw_device, qdio_flags, 0, first,
count);
if (unlikely(retval)) {
zfcp_qdio_zero_sbals(req_q->sbal, first, count);
return retval;
@ -379,63 +331,69 @@ int zfcp_qdio_send(struct zfcp_fsf_req *fsf_req)
return 0;
}
static void zfcp_qdio_setup_init_data(struct qdio_initialize *id,
struct zfcp_qdio *qdio)
{
id->cdev = qdio->adapter->ccw_device;
id->q_format = QDIO_ZFCP_QFMT;
memcpy(id->adapter_name, dev_name(&id->cdev->dev), 8);
ASCEBC(id->adapter_name, 8);
id->qib_param_field_format = 0;
id->qib_param_field = NULL;
id->input_slib_elements = NULL;
id->output_slib_elements = NULL;
id->no_input_qs = 1;
id->no_output_qs = 1;
id->input_handler = zfcp_qdio_int_resp;
id->output_handler = zfcp_qdio_int_req;
id->int_parm = (unsigned long) qdio;
id->flags = QDIO_INBOUND_0COPY_SBALS |
QDIO_OUTBOUND_0COPY_SBALS | QDIO_USE_OUTBOUND_PCIS;
id->input_sbal_addr_array = (void **) (qdio->resp_q.sbal);
id->output_sbal_addr_array = (void **) (qdio->req_q.sbal);
}
/**
* zfcp_qdio_allocate - allocate queue memory and initialize QDIO data
* @adapter: pointer to struct zfcp_adapter
* Returns: -ENOMEM on memory allocation error or return value from
* qdio_allocate
*/
int zfcp_qdio_allocate(struct zfcp_adapter *adapter)
static int zfcp_qdio_allocate(struct zfcp_qdio *qdio)
{
struct qdio_initialize *init_data;
struct qdio_initialize init_data;
if (zfcp_qdio_buffers_enqueue(adapter->req_q.sbal) ||
zfcp_qdio_buffers_enqueue(adapter->resp_q.sbal))
if (zfcp_qdio_buffers_enqueue(qdio->req_q.sbal) ||
zfcp_qdio_buffers_enqueue(qdio->resp_q.sbal))
return -ENOMEM;
init_data = &adapter->qdio_init_data;
zfcp_qdio_setup_init_data(&init_data, qdio);
init_data->cdev = adapter->ccw_device;
init_data->q_format = QDIO_ZFCP_QFMT;
memcpy(init_data->adapter_name, dev_name(&adapter->ccw_device->dev), 8);
ASCEBC(init_data->adapter_name, 8);
init_data->qib_param_field_format = 0;
init_data->qib_param_field = NULL;
init_data->input_slib_elements = NULL;
init_data->output_slib_elements = NULL;
init_data->no_input_qs = 1;
init_data->no_output_qs = 1;
init_data->input_handler = zfcp_qdio_int_resp;
init_data->output_handler = zfcp_qdio_int_req;
init_data->int_parm = (unsigned long) adapter;
init_data->flags = QDIO_INBOUND_0COPY_SBALS |
QDIO_OUTBOUND_0COPY_SBALS | QDIO_USE_OUTBOUND_PCIS;
init_data->input_sbal_addr_array =
(void **) (adapter->resp_q.sbal);
init_data->output_sbal_addr_array =
(void **) (adapter->req_q.sbal);
return qdio_allocate(init_data);
return qdio_allocate(&init_data);
}
/**
* zfcp_close_qdio - close qdio queues for an adapter
* @qdio: pointer to structure zfcp_qdio
*/
void zfcp_qdio_close(struct zfcp_adapter *adapter)
void zfcp_qdio_close(struct zfcp_qdio *qdio)
{
struct zfcp_qdio_queue *req_q;
int first, count;
if (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP))
if (!(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP))
return;
/* clear QDIOUP flag, thus do_QDIO is not called during qdio_shutdown */
req_q = &adapter->req_q;
spin_lock_bh(&adapter->req_q_lock);
atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status);
spin_unlock_bh(&adapter->req_q_lock);
req_q = &qdio->req_q;
spin_lock_bh(&qdio->req_q_lock);
atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &qdio->adapter->status);
spin_unlock_bh(&qdio->req_q_lock);
qdio_shutdown(adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR);
qdio_shutdown(qdio->adapter->ccw_device,
QDIO_FLAG_CLEANUP_USING_CLEAR);
/* cleanup used outbound sbals */
count = atomic_read(&req_q->count);
@ -446,50 +404,99 @@ void zfcp_qdio_close(struct zfcp_adapter *adapter)
}
req_q->first = 0;
atomic_set(&req_q->count, 0);
adapter->resp_q.first = 0;
atomic_set(&adapter->resp_q.count, 0);
qdio->resp_q.first = 0;
atomic_set(&qdio->resp_q.count, 0);
}
/**
* zfcp_qdio_open - prepare and initialize response queue
* @adapter: pointer to struct zfcp_adapter
* @qdio: pointer to struct zfcp_qdio
* Returns: 0 on success, otherwise -EIO
*/
int zfcp_qdio_open(struct zfcp_adapter *adapter)
int zfcp_qdio_open(struct zfcp_qdio *qdio)
{
struct qdio_buffer_element *sbale;
struct qdio_initialize init_data;
struct ccw_device *cdev = qdio->adapter->ccw_device;
int cc;
if (atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)
if (atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)
return -EIO;
if (qdio_establish(&adapter->qdio_init_data))
zfcp_qdio_setup_init_data(&init_data, qdio);
if (qdio_establish(&init_data))
goto failed_establish;
if (qdio_activate(adapter->ccw_device))
if (qdio_activate(cdev))
goto failed_qdio;
for (cc = 0; cc < QDIO_MAX_BUFFERS_PER_Q; cc++) {
sbale = &(adapter->resp_q.sbal[cc]->element[0]);
sbale = &(qdio->resp_q.sbal[cc]->element[0]);
sbale->length = 0;
sbale->flags = SBAL_FLAGS_LAST_ENTRY;
sbale->addr = NULL;
}
if (do_QDIO(adapter->ccw_device, QDIO_FLAG_SYNC_INPUT, 0, 0,
if (do_QDIO(cdev, QDIO_FLAG_SYNC_INPUT, 0, 0,
QDIO_MAX_BUFFERS_PER_Q))
goto failed_qdio;
/* set index of first avalable SBALS / number of available SBALS */
adapter->req_q.first = 0;
atomic_set(&adapter->req_q.count, QDIO_MAX_BUFFERS_PER_Q);
qdio->req_q.first = 0;
atomic_set(&qdio->req_q.count, QDIO_MAX_BUFFERS_PER_Q);
return 0;
failed_qdio:
qdio_shutdown(adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR);
qdio_shutdown(cdev, QDIO_FLAG_CLEANUP_USING_CLEAR);
failed_establish:
dev_err(&adapter->ccw_device->dev,
dev_err(&cdev->dev,
"Setting up the QDIO connection to the FCP adapter failed\n");
return -EIO;
}
void zfcp_qdio_destroy(struct zfcp_qdio *qdio)
{
struct qdio_buffer **sbal_req, **sbal_resp;
int p;
if (!qdio)
return;
if (qdio->adapter->ccw_device)
qdio_free(qdio->adapter->ccw_device);
sbal_req = qdio->req_q.sbal;
sbal_resp = qdio->resp_q.sbal;
for (p = 0; p < QDIO_MAX_BUFFERS_PER_Q; p += QBUFF_PER_PAGE) {
free_page((unsigned long) sbal_req[p]);
free_page((unsigned long) sbal_resp[p]);
}
kfree(qdio);
}
int zfcp_qdio_setup(struct zfcp_adapter *adapter)
{
struct zfcp_qdio *qdio;
qdio = kzalloc(sizeof(struct zfcp_qdio), GFP_KERNEL);
if (!qdio)
return -ENOMEM;
qdio->adapter = adapter;
if (zfcp_qdio_allocate(qdio)) {
zfcp_qdio_destroy(qdio);
return -ENOMEM;
}
spin_lock_init(&qdio->req_q_lock);
spin_lock_init(&qdio->stat_lock);
adapter->qdio = qdio;
return 0;
}

73
drivers/s390/scsi/zfcp_scsi.c
View File

@ -9,8 +9,9 @@
#define KMSG_COMPONENT "zfcp"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
#include "zfcp_ext.h"
#include <asm/atomic.h>
#include "zfcp_ext.h"
#include "zfcp_dbf.h"
static unsigned int default_depth = 32;
module_param_named(queue_depth, default_depth, uint, 0600);
@ -52,11 +53,11 @@ static int zfcp_scsi_slave_configure(struct scsi_device *sdp)
static void zfcp_scsi_command_fail(struct scsi_cmnd *scpnt, int result)
{
struct zfcp_adapter *adapter =
(struct zfcp_adapter *) scpnt->device->host->hostdata[0];
set_host_byte(scpnt, result);
if ((scpnt->device != NULL) && (scpnt->device->host != NULL))
zfcp_scsi_dbf_event_result("fail", 4,
(struct zfcp_adapter*) scpnt->device->host->hostdata[0],
scpnt, NULL);
zfcp_dbf_scsi_result("fail", 4, adapter->dbf, scpnt, NULL);
/* return directly */
scpnt->scsi_done(scpnt);
}
@ -92,7 +93,7 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt,
scsi_result = fc_remote_port_chkready(rport);
if (unlikely(scsi_result)) {
scpnt->result = scsi_result;
zfcp_scsi_dbf_event_result("fail", 4, adapter, scpnt, NULL);
zfcp_dbf_scsi_result("fail", 4, adapter->dbf, scpnt, NULL);
scpnt->scsi_done(scpnt);
return 0;
}
@ -180,8 +181,8 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
spin_unlock(&adapter->req_list_lock);
if (!old_req) {
write_unlock_irqrestore(&adapter->abort_lock, flags);
zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL,
old_reqid);
zfcp_dbf_scsi_abort("lte1", adapter->dbf, scpnt, NULL,
old_reqid);
return FAILED; /* completion could be in progress */
}
old_req->data = NULL;
@ -197,16 +198,15 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
zfcp_erp_wait(adapter);
if (!(atomic_read(&adapter->status) &
ZFCP_STATUS_COMMON_RUNNING)) {
zfcp_scsi_dbf_event_abort("nres", adapter, scpnt, NULL,
old_reqid);
zfcp_dbf_scsi_abort("nres", adapter->dbf, scpnt, NULL,
old_reqid);
return SUCCESS;
}
}
if (!abrt_req)
return FAILED;
wait_event(abrt_req->completion_wq,
abrt_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
wait_for_completion(&abrt_req->completion);
if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED)
dbf_tag = "okay";
@ -216,7 +216,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
dbf_tag = "fail";
retval = FAILED;
}
zfcp_scsi_dbf_event_abort(dbf_tag, adapter, scpnt, abrt_req, old_reqid);
zfcp_dbf_scsi_abort(dbf_tag, adapter->dbf, scpnt, abrt_req, old_reqid);
zfcp_fsf_req_free(abrt_req);
return retval;
}
@ -225,7 +225,7 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
{
struct zfcp_unit *unit = scpnt->device->hostdata;
struct zfcp_adapter *adapter = unit->port->adapter;
struct zfcp_fsf_req *fsf_req;
struct zfcp_fsf_req *fsf_req = NULL;
int retval = SUCCESS;
int retry = 3;
@ -237,25 +237,23 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
zfcp_erp_wait(adapter);
if (!(atomic_read(&adapter->status) &
ZFCP_STATUS_COMMON_RUNNING)) {
zfcp_scsi_dbf_event_devreset("nres", tm_flags, unit,
scpnt);
zfcp_dbf_scsi_devreset("nres", tm_flags, unit, scpnt);
return SUCCESS;
}
}
if (!fsf_req)
return FAILED;
wait_event(fsf_req->completion_wq,
fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
wait_for_completion(&fsf_req->completion);
if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) {
zfcp_scsi_dbf_event_devreset("fail", tm_flags, unit, scpnt);
zfcp_dbf_scsi_devreset("fail", tm_flags, unit, scpnt);
retval = FAILED;
} else if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP) {
zfcp_scsi_dbf_event_devreset("nsup", tm_flags, unit, scpnt);
zfcp_dbf_scsi_devreset("nsup", tm_flags, unit, scpnt);
retval = FAILED;
} else
zfcp_scsi_dbf_event_devreset("okay", tm_flags, unit, scpnt);
zfcp_dbf_scsi_devreset("okay", tm_flags, unit, scpnt);
zfcp_fsf_req_free(fsf_req);
return retval;
@ -430,7 +428,7 @@ static struct fc_host_statistics *zfcp_get_fc_host_stats(struct Scsi_Host *host)
if (!data)
return NULL;
ret = zfcp_fsf_exchange_port_data_sync(adapter, data);
ret = zfcp_fsf_exchange_port_data_sync(adapter->qdio, data);
if (ret) {
kfree(data);
return NULL;
@ -459,7 +457,7 @@ static void zfcp_reset_fc_host_stats(struct Scsi_Host *shost)
if (!data)
return;
ret = zfcp_fsf_exchange_port_data_sync(adapter, data);
ret = zfcp_fsf_exchange_port_data_sync(adapter->qdio, data);
if (ret)
kfree(data);
else {
@ -492,21 +490,6 @@ static void zfcp_set_rport_dev_loss_tmo(struct fc_rport *rport, u32 timeout)
rport->dev_loss_tmo = timeout;
}
/**
* zfcp_scsi_dev_loss_tmo_callbk - Free any reference to rport
* @rport: The rport that is about to be deleted.
*/
static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport)
{
struct zfcp_port *port;
write_lock_irq(&zfcp_data.config_lock);
port = rport->dd_data;
if (port)
port->rport = NULL;
write_unlock_irq(&zfcp_data.config_lock);
}
/**
* zfcp_scsi_terminate_rport_io - Terminate all I/O on a rport
* @rport: The FC rport where to teminate I/O
@ -518,9 +501,12 @@ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport)
static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport)
{
struct zfcp_port *port;
struct Scsi_Host *shost = rport_to_shost(rport);
struct zfcp_adapter *adapter =
(struct zfcp_adapter *)shost->hostdata[0];
write_lock_irq(&zfcp_data.config_lock);
port = rport->dd_data;
port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
if (port)
zfcp_port_get(port);
write_unlock_irq(&zfcp_data.config_lock);
@ -552,7 +538,6 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port)
return;
}
rport->dd_data = port;
rport->maxframe_size = port->maxframe_size;
rport->supported_classes = port->supported_classes;
port->rport = rport;
@ -573,7 +558,7 @@ void zfcp_scsi_schedule_rport_register(struct zfcp_port *port)
zfcp_port_get(port);
port->rport_task = RPORT_ADD;
if (!queue_work(zfcp_data.work_queue, &port->rport_work))
if (!queue_work(port->adapter->work_queue, &port->rport_work))
zfcp_port_put(port);
}
@ -582,8 +567,11 @@ void zfcp_scsi_schedule_rport_block(struct zfcp_port *port)
zfcp_port_get(port);
port->rport_task = RPORT_DEL;
if (!queue_work(zfcp_data.work_queue, &port->rport_work))
zfcp_port_put(port);
if (port->rport && queue_work(port->adapter->work_queue,
&port->rport_work))
return;
zfcp_port_put(port);
}
void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *adapter)
@ -662,7 +650,6 @@ struct fc_function_template zfcp_transport_functions = {
.reset_fc_host_stats = zfcp_reset_fc_host_stats,
.set_rport_dev_loss_tmo = zfcp_set_rport_dev_loss_tmo,
.get_host_port_state = zfcp_get_host_port_state,
.dev_loss_tmo_callbk = zfcp_scsi_dev_loss_tmo_callbk,
.terminate_rport_io = zfcp_scsi_terminate_rport_io,
.show_host_port_state = 1,
.bsg_request = zfcp_execute_fc_job,

34
drivers/s390/scsi/zfcp_sysfs.c
View File

@ -88,7 +88,7 @@ static ssize_t zfcp_sysfs_##_feat##_failed_store(struct device *dev, \
unsigned long val; \
int retval = 0; \
\
down(&zfcp_data.config_sema); \
mutex_lock(&zfcp_data.config_mutex); \
if (atomic_read(&_feat->status) & ZFCP_STATUS_COMMON_REMOVE) { \
retval = -EBUSY; \
goto out; \
@ -105,7 +105,7 @@ static ssize_t zfcp_sysfs_##_feat##_failed_store(struct device *dev, \
_reopen_id, NULL); \
zfcp_erp_wait(_adapter); \
out: \
up(&zfcp_data.config_sema); \
mutex_unlock(&zfcp_data.config_mutex); \
return retval ? retval : (ssize_t) count; \
} \
static ZFCP_DEV_ATTR(_feat, failed, S_IWUSR | S_IRUGO, \
@ -126,7 +126,7 @@ static ssize_t zfcp_sysfs_port_rescan_store(struct device *dev,
if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_REMOVE)
return -EBUSY;
ret = zfcp_scan_ports(adapter);
ret = zfcp_fc_scan_ports(adapter);
return ret ? ret : (ssize_t) count;
}
static ZFCP_DEV_ATTR(adapter, port_rescan, S_IWUSR, NULL,
@ -142,7 +142,7 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
int retval = 0;
LIST_HEAD(port_remove_lh);
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_REMOVE) {
retval = -EBUSY;
goto out;
@ -173,7 +173,7 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
zfcp_port_put(port);
zfcp_port_dequeue(port);
out:
up(&zfcp_data.config_sema);
mutex_unlock(&zfcp_data.config_mutex);
return retval ? retval : (ssize_t) count;
}
static ZFCP_DEV_ATTR(adapter, port_remove, S_IWUSR, NULL,
@ -207,7 +207,7 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
u64 fcp_lun;
int retval = -EINVAL;
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_REMOVE) {
retval = -EBUSY;
goto out;
@ -226,7 +226,7 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
zfcp_erp_wait(unit->port->adapter);
zfcp_unit_put(unit);
out:
up(&zfcp_data.config_sema);
mutex_unlock(&zfcp_data.config_mutex);
return retval ? retval : (ssize_t) count;
}
static DEVICE_ATTR(unit_add, S_IWUSR, NULL, zfcp_sysfs_unit_add_store);
@ -241,7 +241,7 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev,
int retval = 0;
LIST_HEAD(unit_remove_lh);
down(&zfcp_data.config_sema);
mutex_lock(&zfcp_data.config_mutex);
if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_REMOVE) {
retval = -EBUSY;
goto out;
@ -282,7 +282,7 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev,
zfcp_unit_put(unit);
zfcp_unit_dequeue(unit);
out:
up(&zfcp_data.config_sema);
mutex_unlock(&zfcp_data.config_mutex);
return retval ? retval : (ssize_t) count;
}
static DEVICE_ATTR(unit_remove, S_IWUSR, NULL, zfcp_sysfs_unit_remove_store);
@ -425,7 +425,7 @@ static ssize_t zfcp_sysfs_adapter_util_show(struct device *dev,
if (!qtcb_port)
return -ENOMEM;
retval = zfcp_fsf_exchange_port_data_sync(adapter, qtcb_port);
retval = zfcp_fsf_exchange_port_data_sync(adapter->qdio, qtcb_port);
if (!retval)
retval = sprintf(buf, "%u %u %u\n", qtcb_port->cp_util,
qtcb_port->cb_util, qtcb_port->a_util);
@ -451,7 +451,7 @@ static int zfcp_sysfs_adapter_ex_config(struct device *dev,
if (!qtcb_config)
return -ENOMEM;
retval = zfcp_fsf_exchange_config_data_sync(adapter, qtcb_config);
retval = zfcp_fsf_exchange_config_data_sync(adapter->qdio, qtcb_config);
if (!retval)
*stat_inf = qtcb_config->stat_info;
@ -492,15 +492,15 @@ static ssize_t zfcp_sysfs_adapter_q_full_show(struct device *dev,
char *buf)
{
struct Scsi_Host *scsi_host = class_to_shost(dev);
struct zfcp_adapter *adapter =
(struct zfcp_adapter *) scsi_host->hostdata[0];
struct zfcp_qdio *qdio =
((struct zfcp_adapter *) scsi_host->hostdata[0])->qdio;
u64 util;
spin_lock_bh(&adapter->qdio_stat_lock);
util = adapter->req_q_util;
spin_unlock_bh(&adapter->qdio_stat_lock);
spin_lock_bh(&qdio->stat_lock);
util = qdio->req_q_util;
spin_unlock_bh(&qdio->stat_lock);
return sprintf(buf, "%d %llu\n", atomic_read(&adapter->qdio_outb_full),
return sprintf(buf, "%d %llu\n", atomic_read(&qdio->req_q_full),
(unsigned long long)util);
}
static DEVICE_ATTR(queue_full, S_IRUGO, zfcp_sysfs_adapter_q_full_show, NULL);

6
drivers/scsi/Kconfig
View File

@ -1811,6 +1811,12 @@ config ZFCP
called zfcp. If you want to compile it as a module, say M here
and read <file:Documentation/kbuild/modules.txt>.
config SCSI_PMCRAID
tristate "PMC SIERRA Linux MaxRAID adapter support"
depends on PCI && SCSI
---help---
This driver supports the PMC SIERRA MaxRAID adapters.
config SCSI_SRP
tristate "SCSI RDMA Protocol helper library"
depends on SCSI && PCI

1
drivers/scsi/Makefile
View File

@ -130,6 +130,7 @@ obj-$(CONFIG_SCSI_MVSAS) += mvsas/
obj-$(CONFIG_PS3_ROM) += ps3rom.o
obj-$(CONFIG_SCSI_CXGB3_ISCSI) += libiscsi.o libiscsi_tcp.o cxgb3i/
obj-$(CONFIG_SCSI_BNX2_ISCSI) += libiscsi.o bnx2i/
obj-$(CONFIG_SCSI_PMCRAID) += pmcraid.o
obj-$(CONFIG_ARM) += arm/

98
drivers/scsi/bnx2i/bnx2i_init.c
View File

@ -15,11 +15,10 @@
static struct list_head adapter_list = LIST_HEAD_INIT(adapter_list);
static u32 adapter_count;
static int bnx2i_reg_device;
#define DRV_MODULE_NAME "bnx2i"
#define DRV_MODULE_VERSION "2.0.1d"
#define DRV_MODULE_RELDATE "Mar 25, 2009"
#define DRV_MODULE_VERSION "2.0.1e"
#define DRV_MODULE_RELDATE "June 22, 2009"
static char version[] __devinitdata =
"Broadcom NetXtreme II iSCSI Driver " DRV_MODULE_NAME \
@ -31,7 +30,7 @@ MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709 iSCSI Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
static DEFINE_RWLOCK(bnx2i_dev_lock);
static DEFINE_MUTEX(bnx2i_dev_lock);
unsigned int event_coal_div = 1;
module_param(event_coal_div, int, 0664);
@ -100,14 +99,14 @@ struct bnx2i_hba *get_adapter_list_head(void)
if (!adapter_count)
goto hba_not_found;
read_lock(&bnx2i_dev_lock);
mutex_lock(&bnx2i_dev_lock);
list_for_each_entry(tmp_hba, &adapter_list, link) {
if (tmp_hba->cnic && tmp_hba->cnic->cm_select_dev) {
hba = tmp_hba;
break;
}
}
read_unlock(&bnx2i_dev_lock);
mutex_unlock(&bnx2i_dev_lock);
hba_not_found:
return hba;
}
@ -122,14 +121,14 @@ struct bnx2i_hba *bnx2i_find_hba_for_cnic(struct cnic_dev *cnic)
{
struct bnx2i_hba *hba, *temp;
read_lock(&bnx2i_dev_lock);
mutex_lock(&bnx2i_dev_lock);
list_for_each_entry_safe(hba, temp, &adapter_list, link) {
if (hba->cnic == cnic) {
read_unlock(&bnx2i_dev_lock);
mutex_unlock(&bnx2i_dev_lock);
return hba;
}
}
read_unlock(&bnx2i_dev_lock);
mutex_unlock(&bnx2i_dev_lock);
return NULL;
}
@ -186,18 +185,17 @@ void bnx2i_stop(void *handle)
*/
void bnx2i_register_device(struct bnx2i_hba *hba)
{
int rc;
if (test_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state) ||
test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
return;
}
hba->cnic->register_device(hba->cnic, CNIC_ULP_ISCSI, hba);
rc = hba->cnic->register_device(hba->cnic, CNIC_ULP_ISCSI, hba);
spin_lock(&hba->lock);
bnx2i_reg_device++;
spin_unlock(&hba->lock);
set_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
if (!rc)
set_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
}
@ -211,10 +209,10 @@ void bnx2i_reg_dev_all(void)
{
struct bnx2i_hba *hba, *temp;
read_lock(&bnx2i_dev_lock);
mutex_lock(&bnx2i_dev_lock);
list_for_each_entry_safe(hba, temp, &adapter_list, link)
bnx2i_register_device(hba);
read_unlock(&bnx2i_dev_lock);
mutex_unlock(&bnx2i_dev_lock);
}
@ -234,10 +232,6 @@ static void bnx2i_unreg_one_device(struct bnx2i_hba *hba)
hba->cnic->unregister_device(hba->cnic, CNIC_ULP_ISCSI);
spin_lock(&hba->lock);
bnx2i_reg_device--;
spin_unlock(&hba->lock);
/* ep_disconnect could come before NETDEV_DOWN, driver won't
* see NETDEV_DOWN as it already unregistered itself.
*/
@ -255,10 +249,10 @@ void bnx2i_unreg_dev_all(void)
{
struct bnx2i_hba *hba, *temp;
read_lock(&bnx2i_dev_lock);
mutex_lock(&bnx2i_dev_lock);
list_for_each_entry_safe(hba, temp, &adapter_list, link)
bnx2i_unreg_one_device(hba);
read_unlock(&bnx2i_dev_lock);
mutex_unlock(&bnx2i_dev_lock);
}
@ -267,35 +261,34 @@ void bnx2i_unreg_dev_all(void)
* @hba: bnx2i adapter instance
* @cnic: cnic device handle
*
* Global resource lock and host adapter lock is held during critical sections
* below. This routine is called from cnic_register_driver() context and
* work horse thread which does majority of device specific initialization
* Global resource lock is held during critical sections below. This routine is
* called from either cnic_register_driver() or device hot plug context and
* and does majority of device specific initialization
*/
static int bnx2i_init_one(struct bnx2i_hba *hba, struct cnic_dev *cnic)
{
int rc;
read_lock(&bnx2i_dev_lock);
if (bnx2i_reg_device &&
!test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
rc = cnic->register_device(cnic, CNIC_ULP_ISCSI, hba);
if (rc) /* duplicate registration */
printk(KERN_ERR "bnx2i- dev reg failed\n");
spin_lock(&hba->lock);
bnx2i_reg_device++;
mutex_lock(&bnx2i_dev_lock);
rc = cnic->register_device(cnic, CNIC_ULP_ISCSI, hba);
if (!rc) {
hba->age++;
spin_unlock(&hba->lock);
set_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
}
read_unlock(&bnx2i_dev_lock);
list_add_tail(&hba->link, &adapter_list);
adapter_count++;
} else if (rc == -EBUSY) /* duplicate registration */
printk(KERN_ALERT "bnx2i, duplicate registration"
"hba=%p, cnic=%p\n", hba, cnic);
else if (rc == -EAGAIN)
printk(KERN_ERR "bnx2i, driver not registered\n");
else if (rc == -EINVAL)
printk(KERN_ERR "bnx2i, invalid type %d\n", CNIC_ULP_ISCSI);
else
printk(KERN_ERR "bnx2i dev reg, unknown error, %d\n", rc);
write_lock(&bnx2i_dev_lock);
list_add_tail(&hba->link, &adapter_list);
adapter_count++;
write_unlock(&bnx2i_dev_lock);
return 0;
mutex_unlock(&bnx2i_dev_lock);
return rc;
}
@ -343,19 +336,15 @@ void bnx2i_ulp_exit(struct cnic_dev *dev)
"found, dev 0x%p\n", dev);
return;
}
write_lock(&bnx2i_dev_lock);
mutex_lock(&bnx2i_dev_lock);
list_del_init(&hba->link);
adapter_count--;
if (test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
hba->cnic->unregister_device(hba->cnic, CNIC_ULP_ISCSI);
clear_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
spin_lock(&hba->lock);
bnx2i_reg_device--;
spin_unlock(&hba->lock);
}
write_unlock(&bnx2i_dev_lock);
mutex_unlock(&bnx2i_dev_lock);
bnx2i_free_hba(hba);
}
@ -377,6 +366,8 @@ static int __init bnx2i_mod_init(void)
if (!is_power_of_2(sq_size))
sq_size = roundup_pow_of_two(sq_size);
mutex_init(&bnx2i_dev_lock);
bnx2i_scsi_xport_template =
iscsi_register_transport(&bnx2i_iscsi_transport);
if (!bnx2i_scsi_xport_template) {
@ -412,7 +403,7 @@ static void __exit bnx2i_mod_exit(void)
{
struct bnx2i_hba *hba;
write_lock(&bnx2i_dev_lock);
mutex_lock(&bnx2i_dev_lock);
while (!list_empty(&adapter_list)) {
hba = list_entry(adapter_list.next, struct bnx2i_hba, link);
list_del(&hba->link);
@ -421,14 +412,11 @@ static void __exit bnx2i_mod_exit(void)
if (test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
hba->cnic->unregister_device(hba->cnic, CNIC_ULP_ISCSI);
clear_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
bnx2i_reg_device--;
}
write_unlock(&bnx2i_dev_lock);
bnx2i_free_hba(hba);
write_lock(&bnx2i_dev_lock);
}
write_unlock(&bnx2i_dev_lock);
mutex_unlock(&bnx2i_dev_lock);
iscsi_unregister_transport(&bnx2i_iscsi_transport);
cnic_unregister_driver(CNIC_ULP_ISCSI);

13
drivers/scsi/bnx2i/bnx2i_iscsi.c
View File

@ -387,6 +387,7 @@ static struct iscsi_endpoint *bnx2i_alloc_ep(struct bnx2i_hba *hba)
bnx2i_ep = ep->dd_data;
INIT_LIST_HEAD(&bnx2i_ep->link);
bnx2i_ep->state = EP_STATE_IDLE;
bnx2i_ep->ep_iscsi_cid = (u16) -1;
bnx2i_ep->hba = hba;
bnx2i_ep->hba_age = hba->age;
hba->ofld_conns_active++;
@ -1160,9 +1161,6 @@ static int bnx2i_task_xmit(struct iscsi_task *task)
struct bnx2i_cmd *cmd = task->dd_data;
struct iscsi_cmd *hdr = (struct iscsi_cmd *) task->hdr;
if (test_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state))
return -ENOTCONN;
if (!bnx2i_conn->is_bound)
return -ENOTCONN;
@ -1653,15 +1651,18 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost,
struct iscsi_endpoint *ep;
int rc = 0;
if (shost)
if (shost) {
/* driver is given scsi host to work with */
hba = iscsi_host_priv(shost);
else
/* Register the device with cnic if not already done so */
bnx2i_register_device(hba);
} else
/*
* check if the given destination can be reached through
* a iscsi capable NetXtreme2 device
*/
hba = bnx2i_check_route(dst_addr);
if (!hba) {
rc = -ENOMEM;
goto check_busy;
@ -1681,8 +1682,6 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost,
goto net_if_down;
}
bnx2i_ep->state = EP_STATE_IDLE;
bnx2i_ep->ep_iscsi_cid = (u16) -1;
bnx2i_ep->num_active_cmds = 0;
iscsi_cid = bnx2i_alloc_iscsi_cid(hba);
if (iscsi_cid == -1) {

6
drivers/scsi/ch.c
View File

@ -353,6 +353,12 @@ ch_readconfig(scsi_changer *ch)
/* look up the devices of the data transfer elements */
ch->dt = kmalloc(ch->counts[CHET_DT]*sizeof(struct scsi_device),
GFP_KERNEL);
if (!ch->dt) {
kfree(buffer);
return -ENOMEM;
}
for (elem = 0; elem < ch->counts[CHET_DT]; elem++) {
id = -1;
lun = 0;

95
drivers/scsi/constants.c
View File

@ -4,8 +4,7 @@
* Additions for SCSI 2 and Linux 2.2.x by D. Gilbert (990422)
* Additions for SCSI 3+ (SPC-3 T10/1416-D Rev 07 3 May 2002)
* by D. Gilbert and aeb (20020609)
* Additions for SPC-3 T10/1416-D Rev 21 22 Sept 2004, D. Gilbert 20041025
* Update to SPC-4 T10/1713-D Rev 5a, 14 June 2006, D. Gilbert 20060702
* Update to SPC-4 T10/1713-D Rev 20, 22 May 2009, D. Gilbert 20090624
*/
#include <linux/blkdev.h>
@ -56,9 +55,9 @@ static const char * cdb_byte0_names[] = {
"Read Buffer",
/* 3d-3f */ "Update Block", "Read Long(10)", "Write Long(10)",
/* 40-41 */ "Change Definition", "Write Same(10)",
/* 42-48 */ "Read sub-channel", "Read TOC/PMA/ATIP", "Read density support",
"Play audio(10)", "Get configuration", "Play audio msf",
"Play audio track/index",
/* 42-48 */ "Unmap/Read sub-channel", "Read TOC/PMA/ATIP",
"Read density support", "Play audio(10)", "Get configuration",
"Play audio msf", "Play audio track/index",
/* 49-4f */ "Play track relative(10)", "Get event status notification",
"Pause/resume", "Log Select", "Log Sense", "Stop play/scan",
NULL,
@ -71,12 +70,13 @@ static const char * cdb_byte0_names[] = {
/* 60-67 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
/* 68-6f */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
/* 70-77 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
/* 78-7f */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, "Variable length",
/* 78-7f */ NULL, NULL, NULL, NULL, NULL, NULL, "Extended CDB",
"Variable length",
/* 80-84 */ "Xdwrite(16)", "Rebuild(16)", "Regenerate(16)", "Extended copy",
"Receive copy results",
/* 85-89 */ "ATA command pass through(16)", "Access control in",
"Access control out", "Read(16)", "Memory Export Out(16)",
/* 8a-8f */ "Write(16)", NULL, "Read attributes", "Write attributes",
/* 8a-8f */ "Write(16)", "ORWrite", "Read attributes", "Write attributes",
"Write and verify(16)", "Verify(16)",
/* 90-94 */ "Pre-fetch(16)", "Synchronize cache(16)",
"Lock/unlock cache(16)", "Write same(16)", NULL,
@ -107,22 +107,24 @@ struct value_name_pair {
};
static const struct value_name_pair maint_in_arr[] = {
{0x5, "Report device identifier"},
{0x5, "Report identifying information"},
{0xa, "Report target port groups"},
{0xb, "Report aliases"},
{0xc, "Report supported operation codes"},
{0xd, "Report supported task management functions"},
{0xe, "Report priority"},
{0xf, "Report timestamp"},
{0x10, "Management protocol in"},
};
#define MAINT_IN_SZ ARRAY_SIZE(maint_in_arr)
static const struct value_name_pair maint_out_arr[] = {
{0x6, "Set device identifier"},
{0x6, "Set identifying information"},
{0xa, "Set target port groups"},
{0xb, "Change aliases"},
{0xe, "Set priority"},
{0xe, "Set timestamp"},
{0xf, "Set timestamp"},
{0x10, "Management protocol out"},
};
#define MAINT_OUT_SZ ARRAY_SIZE(maint_out_arr)
@ -412,6 +414,7 @@ static const struct error_info additional[] =
{0x0004, "Beginning-of-partition/medium detected"},
{0x0005, "End-of-data detected"},
{0x0006, "I/O process terminated"},
{0x0007, "Programmable early warning detected"},
{0x0011, "Audio play operation in progress"},
{0x0012, "Audio play operation paused"},
{0x0013, "Audio play operation successfully completed"},
@ -425,6 +428,7 @@ static const struct error_info additional[] =
{0x001B, "Set capacity operation in progress"},
{0x001C, "Verify operation in progress"},
{0x001D, "ATA pass through information available"},
{0x001E, "Conflicting SA creation request"},
{0x0100, "No index/sector signal"},
@ -449,9 +453,12 @@ static const struct error_info additional[] =
{0x040B, "Logical unit not accessible, target port in standby state"},
{0x040C, "Logical unit not accessible, target port in unavailable "
"state"},
{0x040D, "Logical unit not ready, structure check required"},
{0x0410, "Logical unit not ready, auxiliary memory not accessible"},
{0x0411, "Logical unit not ready, notify (enable spinup) required"},
{0x0412, "Logical unit not ready, offline"},
{0x0413, "Logical unit not ready, SA creation in progress"},
{0x0414, "Logical unit not ready, space allocation in progress"},
{0x0500, "Logical unit does not respond to selection"},
@ -479,6 +486,9 @@ static const struct error_info additional[] =
{0x0B03, "Warning - background self-test failed"},
{0x0B04, "Warning - background pre-scan detected medium error"},
{0x0B05, "Warning - background medium scan detected medium error"},
{0x0B06, "Warning - non-volatile cache now volatile"},
{0x0B07, "Warning - degraded power to non-volatile cache"},
{0x0B08, "Warning - power loss expected"},
{0x0C00, "Write error"},
{0x0C01, "Write error - recovered with auto reallocation"},
@ -593,6 +603,7 @@ static const struct error_info additional[] =
{0x1C02, "Grown defect list not found"},
{0x1D00, "Miscompare during verify operation"},
{0x1D01, "Miscompare verify of unmapped LBA"},
{0x1E00, "Recovered id with ECC correction"},
@ -626,6 +637,7 @@ static const struct error_info additional[] =
{0x2405, "Security working key frozen"},
{0x2406, "Nonce not unique"},
{0x2407, "Nonce timestamp out of range"},
{0x2408, "Invalid XCDB"},
{0x2500, "Logical unit not supported"},
@ -656,10 +668,12 @@ static const struct error_info additional[] =
{0x2704, "Persistent write protect"},
{0x2705, "Permanent write protect"},
{0x2706, "Conditional write protect"},
{0x2707, "Space allocation failed write protect"},
{0x2800, "Not ready to ready change, medium may have changed"},
{0x2801, "Import or export element accessed"},
{0x2802, "Format-layer may have changed"},
{0x2803, "Import/export element accessed, medium changed"},
{0x2900, "Power on, reset, or bus device reset occurred"},
{0x2901, "Power on occurred"},
@ -680,11 +694,16 @@ static const struct error_info additional[] =
{0x2A07, "Implicit asymmetric access state transition failed"},
{0x2A08, "Priority changed"},
{0x2A09, "Capacity data has changed"},
{0x2A0A, "Error history I_T nexus cleared"},
{0x2A0B, "Error history snapshot released"},
{0x2A0C, "Error recovery attributes have changed"},
{0x2A0D, "Data encryption capabilities changed"},
{0x2A10, "Timestamp changed"},
{0x2A11, "Data encryption parameters changed by another i_t nexus"},
{0x2A12, "Data encryption parameters changed by vendor specific "
"event"},
{0x2A13, "Data encryption key instance counter has changed"},
{0x2A14, "SA creation capabilities data has changed"},
{0x2B00, "Copy cannot execute since host cannot disconnect"},
@ -723,6 +742,8 @@ static const struct error_info additional[] =
{0x300C, "WORM medium - overwrite attempted"},
{0x300D, "WORM medium - integrity check"},
{0x3010, "Medium not formatted"},
{0x3011, "Incompatible volume type"},
{0x3012, "Incompatible volume qualifier"},
{0x3100, "Medium format corrupted"},
{0x3101, "Format command failed"},
@ -782,6 +803,10 @@ static const struct error_info additional[] =
{0x3B15, "Medium magazine unlocked"},
{0x3B16, "Mechanical positioning or changer error"},
{0x3B17, "Read past end of user object"},
{0x3B18, "Element disabled"},
{0x3B19, "Element enabled"},
{0x3B1A, "Data transfer device removed"},
{0x3B1B, "Data transfer device inserted"},
{0x3D00, "Invalid bits in identify message"},
@ -882,6 +907,8 @@ static const struct error_info additional[] =
{0x5506, "Auxiliary memory out of space"},
{0x5507, "Quota error"},
{0x5508, "Maximum number of supplemental decryption keys exceeded"},
{0x5509, "Medium auxiliary memory not accessible"},
{0x550A, "Data currently unavailable"},
{0x5700, "Unable to recover table-of-contents"},
@ -993,6 +1020,12 @@ static const struct error_info additional[] =
{0x5E02, "Standby condition activated by timer"},
{0x5E03, "Idle condition activated by command"},
{0x5E04, "Standby condition activated by command"},
{0x5E05, "Idle_b condition activated by timer"},
{0x5E06, "Idle_b condition activated by command"},
{0x5E07, "Idle_c condition activated by timer"},
{0x5E08, "Idle_c condition activated by command"},
{0x5E09, "Standby_y condition activated by timer"},
{0x5E0A, "Standby_y condition activated by command"},
{0x5E41, "Power state change to active"},
{0x5E42, "Power state change to idle"},
{0x5E43, "Power state change to standby"},
@ -1091,7 +1124,28 @@ static const struct error_info additional[] =
{0x7403, "Incorrect data encryption key"},
{0x7404, "Cryptographic integrity validation failed"},
{0x7405, "Error decrypting data"},
{0x7406, "Unknown signature verification key"},
{0x7407, "Encryption parameters not useable"},
{0x7408, "Digital signature validation failure"},
{0x7409, "Encryption mode mismatch on read"},
{0x740A, "Encrypted block not raw read enabled"},
{0x740B, "Incorrect Encryption parameters"},
{0x740C, "Unable to decrypt parameter list"},
{0x740D, "Encryption algorithm disabled"},
{0x7410, "SA creation parameter value invalid"},
{0x7411, "SA creation parameter value rejected"},
{0x7412, "Invalid SA usage"},
{0x7421, "Data Encryption configuration prevented"},
{0x7430, "SA creation parameter not supported"},
{0x7440, "Authentication failed"},
{0x7461, "External data encryption key manager access error"},
{0x7462, "External data encryption key manager error"},
{0x7463, "External data encryption key not found"},
{0x7464, "External data encryption request not authorized"},
{0x746E, "External data encryption control timeout"},
{0x746F, "External data encryption control error"},
{0x7471, "Logical unit access not authorized"},
{0x7479, "Security conflict in translated device"},
{0, NULL}
};
@ -1103,12 +1157,12 @@ struct error_info2 {
static const struct error_info2 additional2[] =
{
{0x40,0x00,0x7f,"Ram failure (%x)"},
{0x40,0x80,0xff,"Diagnostic failure on component (%x)"},
{0x41,0x00,0xff,"Data path failure (%x)"},
{0x42,0x00,0xff,"Power-on or self-test failure (%x)"},
{0x4D,0x00,0xff,"Tagged overlapped commands (queue tag %x)"},
{0x70,0x00,0xff,"Decompression exception short algorithm id of %x"},
{0x40, 0x00, 0x7f, "Ram failure (%x)"},
{0x40, 0x80, 0xff, "Diagnostic failure on component (%x)"},
{0x41, 0x00, 0xff, "Data path failure (%x)"},
{0x42, 0x00, 0xff, "Power-on or self-test failure (%x)"},
{0x4D, 0x00, 0xff, "Tagged overlapped commands (task tag %x)"},
{0x70, 0x00, 0xff, "Decompression exception short algorithm id of %x"},
{0, 0, 0, NULL}
};
@ -1157,14 +1211,15 @@ scsi_extd_sense_format(unsigned char asc, unsigned char ascq) {
int i;
unsigned short code = ((asc << 8) | ascq);
for (i=0; additional[i].text; i++)
for (i = 0; additional[i].text; i++)
if (additional[i].code12 == code)
return additional[i].text;
for (i=0; additional2[i].fmt; i++)
for (i = 0; additional2[i].fmt; i++) {
if (additional2[i].code1 == asc &&
additional2[i].code2_min >= ascq &&
additional2[i].code2_max <= ascq)
ascq >= additional2[i].code2_min &&
ascq <= additional2[i].code2_max)
return additional2[i].fmt;
}
#endif
return NULL;
}

56
drivers/scsi/device_handler/scsi_dh.c
View File

@ -153,12 +153,24 @@ static int scsi_dh_handler_attach(struct scsi_device *sdev,
if (sdev->scsi_dh_data) {
if (sdev->scsi_dh_data->scsi_dh != scsi_dh)
err = -EBUSY;
} else if (scsi_dh->attach)
else
kref_get(&sdev->scsi_dh_data->kref);
} else if (scsi_dh->attach) {
err = scsi_dh->attach(sdev);
if (!err) {
kref_init(&sdev->scsi_dh_data->kref);
sdev->scsi_dh_data->sdev = sdev;
}
}
return err;
}
static void __detach_handler (struct kref *kref)
{
struct scsi_dh_data *scsi_dh_data = container_of(kref, struct scsi_dh_data, kref);
scsi_dh_data->scsi_dh->detach(scsi_dh_data->sdev);
}
/*
* scsi_dh_handler_detach - Detach a device handler from a device
* @sdev - SCSI device the device handler should be detached from
@ -180,7 +192,7 @@ static void scsi_dh_handler_detach(struct scsi_device *sdev,
scsi_dh = sdev->scsi_dh_data->scsi_dh;
if (scsi_dh && scsi_dh->detach)
scsi_dh->detach(sdev);
kref_put(&sdev->scsi_dh_data->kref, __detach_handler);
}
/*
@ -439,6 +451,39 @@ int scsi_dh_activate(struct request_queue *q)
}
EXPORT_SYMBOL_GPL(scsi_dh_activate);
/*
* scsi_dh_set_params - set the parameters for the device as per the
* string specified in params.
* @q - Request queue that is associated with the scsi_device for
* which the parameters to be set.
* @params - parameters in the following format
* "no_of_params\0param1\0param2\0param3\0...\0"
* for example, string for 2 parameters with value 10 and 21
* is specified as "2\010\021\0".
*/
int scsi_dh_set_params(struct request_queue *q, const char *params)
{
int err = -SCSI_DH_NOSYS;
unsigned long flags;
struct scsi_device *sdev;
struct scsi_device_handler *scsi_dh = NULL;
spin_lock_irqsave(q->queue_lock, flags);
sdev = q->queuedata;
if (sdev && sdev->scsi_dh_data)
scsi_dh = sdev->scsi_dh_data->scsi_dh;
if (scsi_dh && scsi_dh->set_params && get_device(&sdev->sdev_gendev))
err = 0;
spin_unlock_irqrestore(q->queue_lock, flags);
if (err)
return err;
err = scsi_dh->set_params(sdev, params);
put_device(&sdev->sdev_gendev);
return err;
}
EXPORT_SYMBOL_GPL(scsi_dh_set_params);
/*
* scsi_dh_handler_exist - Return TRUE(1) if a device handler exists for
* the given name. FALSE(0) otherwise.
@ -474,7 +519,6 @@ int scsi_dh_attach(struct request_queue *q, const char *name)
if (!err) {
err = scsi_dh_handler_attach(sdev, scsi_dh);
put_device(&sdev->sdev_gendev);
}
return err;
@ -505,10 +549,8 @@ void scsi_dh_detach(struct request_queue *q)
return;
if (sdev->scsi_dh_data) {
/* if sdev is not on internal list, detach */
scsi_dh = sdev->scsi_dh_data->scsi_dh;
if (!device_handler_match(scsi_dh, sdev))
scsi_dh_handler_detach(sdev, scsi_dh);
scsi_dh_handler_detach(sdev, scsi_dh);
}
put_device(&sdev->sdev_gendev);
}

2
drivers/scsi/device_handler/scsi_dh_alua.c
View File

@ -663,7 +663,7 @@ static int alua_activate(struct scsi_device *sdev)
goto out;
}
if (h->tpgs == TPGS_MODE_EXPLICIT && h->state != TPGS_STATE_OPTIMIZED)
if (h->tpgs & TPGS_MODE_EXPLICIT && h->state != TPGS_STATE_OPTIMIZED)
err = alua_stpg(sdev, TPGS_STATE_OPTIMIZED, h);
out:

59
drivers/scsi/device_handler/scsi_dh_emc.c
View File

@ -561,6 +561,61 @@ done:
return result;
}
/*
* params - parameters in the following format
* "no_of_params\0param1\0param2\0param3\0...\0"
* for example, string for 2 parameters with value 10 and 21
* is specified as "2\010\021\0".
*/
static int clariion_set_params(struct scsi_device *sdev, const char *params)
{
struct clariion_dh_data *csdev = get_clariion_data(sdev);
unsigned int hr = 0, st = 0, argc;
const char *p = params;
int result = SCSI_DH_OK;
if ((sscanf(params, "%u", &argc) != 1) || (argc != 2))
return -EINVAL;
while (*p++)
;
if ((sscanf(p, "%u", &st) != 1) || (st > 1))
return -EINVAL;
while (*p++)
;
if ((sscanf(p, "%u", &hr) != 1) || (hr > 1))
return -EINVAL;
if (st)
csdev->flags |= CLARIION_SHORT_TRESPASS;
else
csdev->flags &= ~CLARIION_SHORT_TRESPASS;
if (hr)
csdev->flags |= CLARIION_HONOR_RESERVATIONS;
else
csdev->flags &= ~CLARIION_HONOR_RESERVATIONS;
/*
* If this path is owned, we have to send a trespass command
* with the new parameters. If not, simply return. Next trespass
* command would use the parameters.
*/
if (csdev->lun_state != CLARIION_LUN_OWNED)
goto done;
csdev->lun_state = CLARIION_LUN_UNINITIALIZED;
result = send_trespass_cmd(sdev, csdev);
if (result != SCSI_DH_OK)
goto done;
/* Update status */
result = clariion_send_inquiry(sdev, csdev);
done:
return result;
}
static const struct scsi_dh_devlist clariion_dev_list[] = {
{"DGC", "RAID"},
@ -581,11 +636,9 @@ static struct scsi_device_handler clariion_dh = {
.check_sense = clariion_check_sense,
.activate = clariion_activate,
.prep_fn = clariion_prep_fn,
.set_params = clariion_set_params,
};
/*
* TODO: need some interface so we can set trespass values
*/
static int clariion_bus_attach(struct scsi_device *sdev)
{
struct scsi_dh_data *scsi_dh_data;

116
drivers/scsi/device_handler/scsi_dh_rdac.c
View File

@ -112,6 +112,7 @@ struct c9_inquiry {
#define SUBSYS_ID_LEN 16
#define SLOT_ID_LEN 2
#define ARRAY_LABEL_LEN 31
struct c4_inquiry {
u8 peripheral_info;
@ -135,6 +136,8 @@ struct rdac_controller {
struct rdac_pg_legacy legacy;
struct rdac_pg_expanded expanded;
} mode_select;
u8 index;
u8 array_name[ARRAY_LABEL_LEN];
};
struct c8_inquiry {
u8 peripheral_info;
@ -198,6 +201,31 @@ static const char *lun_state[] =
static LIST_HEAD(ctlr_list);
static DEFINE_SPINLOCK(list_lock);
/*
* module parameter to enable rdac debug logging.
* 2 bits for each type of logging, only two types defined for now
* Can be enhanced if required at later point
*/
static int rdac_logging = 1;
module_param(rdac_logging, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(rdac_logging, "A bit mask of rdac logging levels, "
"Default is 1 - failover logging enabled, "
"set it to 0xF to enable all the logs");
#define RDAC_LOG_FAILOVER 0
#define RDAC_LOG_SENSE 2
#define RDAC_LOG_BITS 2
#define RDAC_LOG_LEVEL(SHIFT) \
((rdac_logging >> (SHIFT)) & ((1 << (RDAC_LOG_BITS)) - 1))
#define RDAC_LOG(SHIFT, sdev, f, arg...) \
do { \
if (unlikely(RDAC_LOG_LEVEL(SHIFT))) \
sdev_printk(KERN_INFO, sdev, RDAC_NAME ": " f "\n", ## arg); \
} while (0);
static inline struct rdac_dh_data *get_rdac_data(struct scsi_device *sdev)
{
struct scsi_dh_data *scsi_dh_data = sdev->scsi_dh_data;
@ -303,7 +331,8 @@ static void release_controller(struct kref *kref)
kfree(ctlr);
}
static struct rdac_controller *get_controller(u8 *subsys_id, u8 *slot_id)
static struct rdac_controller *get_controller(u8 *subsys_id, u8 *slot_id,
char *array_name)
{
struct rdac_controller *ctlr, *tmp;
@ -324,6 +353,14 @@ static struct rdac_controller *get_controller(u8 *subsys_id, u8 *slot_id)
/* initialize fields of controller */
memcpy(ctlr->subsys_id, subsys_id, SUBSYS_ID_LEN);
memcpy(ctlr->slot_id, slot_id, SLOT_ID_LEN);
memcpy(ctlr->array_name, array_name, ARRAY_LABEL_LEN);
/* update the controller index */
if (slot_id[1] == 0x31)
ctlr->index = 0;
else
ctlr->index = 1;
kref_init(&ctlr->kref);
ctlr->use_ms10 = -1;
list_add(&ctlr->node, &ctlr_list);
@ -363,9 +400,10 @@ done:
return err;
}
static int get_lun(struct scsi_device *sdev, struct rdac_dh_data *h)
static int get_lun_info(struct scsi_device *sdev, struct rdac_dh_data *h,
char *array_name)
{
int err;
int err, i;
struct c8_inquiry *inqp;
err = submit_inquiry(sdev, 0xC8, sizeof(struct c8_inquiry), h);
@ -377,6 +415,11 @@ static int get_lun(struct scsi_device *sdev, struct rdac_dh_data *h)
inqp->page_id[2] != 'i' || inqp->page_id[3] != 'd')
return SCSI_DH_NOSYS;
h->lun = inqp->lun[7]; /* Uses only the last byte */
for(i=0; i<ARRAY_LABEL_LEN-1; ++i)
*(array_name+i) = inqp->array_user_label[(2*i)+1];
*(array_name+ARRAY_LABEL_LEN-1) = '\0';
}
return err;
}
@ -410,7 +453,7 @@ static int check_ownership(struct scsi_device *sdev, struct rdac_dh_data *h)
}
static int initialize_controller(struct scsi_device *sdev,
struct rdac_dh_data *h)
struct rdac_dh_data *h, char *array_name)
{
int err;
struct c4_inquiry *inqp;
@ -418,7 +461,8 @@ static int initialize_controller(struct scsi_device *sdev,
err = submit_inquiry(sdev, 0xC4, sizeof(struct c4_inquiry), h);
if (err == SCSI_DH_OK) {
inqp = &h->inq.c4;
h->ctlr = get_controller(inqp->subsys_id, inqp->slot_id);
h->ctlr = get_controller(inqp->subsys_id, inqp->slot_id,
array_name);
if (!h->ctlr)
err = SCSI_DH_RES_TEMP_UNAVAIL;
}
@ -450,6 +494,7 @@ static int mode_select_handle_sense(struct scsi_device *sdev,
{
struct scsi_sense_hdr sense_hdr;
int err = SCSI_DH_IO, ret;
struct rdac_dh_data *h = get_rdac_data(sdev);
ret = scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE, &sense_hdr);
if (!ret)
@ -478,11 +523,14 @@ static int mode_select_handle_sense(struct scsi_device *sdev,
err = SCSI_DH_RETRY;
break;
default:
sdev_printk(KERN_INFO, sdev,
"MODE_SELECT failed with sense %02x/%02x/%02x.\n",
sense_hdr.sense_key, sense_hdr.asc, sense_hdr.ascq);
break;
}
RDAC_LOG(RDAC_LOG_FAILOVER, sdev, "array %s, ctlr %d, "
"MODE_SELECT returned with sense %02x/%02x/%02x",
(char *) h->ctlr->array_name, h->ctlr->index,
sense_hdr.sense_key, sense_hdr.asc, sense_hdr.ascq);
done:
return err;
}
@ -499,7 +547,9 @@ retry:
if (!rq)
goto done;
sdev_printk(KERN_INFO, sdev, "%s MODE_SELECT command.\n",
RDAC_LOG(RDAC_LOG_FAILOVER, sdev, "array %s, ctlr %d, "
"%s MODE_SELECT command",
(char *) h->ctlr->array_name, h->ctlr->index,
(retry_cnt == RDAC_RETRY_COUNT) ? "queueing" : "retrying");
err = blk_execute_rq(q, NULL, rq, 1);
@ -509,8 +559,12 @@ retry:
if (err == SCSI_DH_RETRY && retry_cnt--)
goto retry;
}
if (err == SCSI_DH_OK)
if (err == SCSI_DH_OK) {
h->state = RDAC_STATE_ACTIVE;
RDAC_LOG(RDAC_LOG_FAILOVER, sdev, "array %s, ctlr %d, "
"MODE_SELECT completed",
(char *) h->ctlr->array_name, h->ctlr->index);
}
done:
return err;
@ -525,17 +579,6 @@ static int rdac_activate(struct scsi_device *sdev)
if (err != SCSI_DH_OK)
goto done;
if (!h->ctlr) {
err = initialize_controller(sdev, h);
if (err != SCSI_DH_OK)
goto done;
}
if (h->ctlr->use_ms10 == -1) {
err = set_mode_select(sdev, h);
if (err != SCSI_DH_OK)
goto done;
}
if (h->lun_state == RDAC_LUN_UNOWNED)
err = send_mode_select(sdev, h);
done:
@ -559,6 +602,12 @@ static int rdac_check_sense(struct scsi_device *sdev,
struct scsi_sense_hdr *sense_hdr)
{
struct rdac_dh_data *h = get_rdac_data(sdev);
RDAC_LOG(RDAC_LOG_SENSE, sdev, "array %s, ctlr %d, "
"I/O returned with sense %02x/%02x/%02x",
(char *) h->ctlr->array_name, h->ctlr->index,
sense_hdr->sense_key, sense_hdr->asc, sense_hdr->ascq);
switch (sense_hdr->sense_key) {
case NOT_READY:
if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x01)
@ -628,11 +677,18 @@ static const struct scsi_dh_devlist rdac_dev_list[] = {
{"SGI", "IS"},
{"STK", "OPENstorage D280"},
{"SUN", "CSM200_R"},
{"SUN", "LCSM100_I"},
{"SUN", "LCSM100_S"},
{"SUN", "LCSM100_E"},
{"SUN", "LCSM100_F"},
{"DELL", "MD3000"},
{"DELL", "MD3000i"},
{"DELL", "MD32xx"},
{"DELL", "MD32xxi"},
{"LSI", "INF-01-00"},
{"ENGENIO", "INF-01-00"},
{"STK", "FLEXLINE 380"},
{"SUN", "CSM100_R_FC"},
{NULL, NULL},
};
@ -656,6 +712,7 @@ static int rdac_bus_attach(struct scsi_device *sdev)
struct rdac_dh_data *h;
unsigned long flags;
int err;
char array_name[ARRAY_LABEL_LEN];
scsi_dh_data = kzalloc(sizeof(struct scsi_device_handler *)
+ sizeof(*h) , GFP_KERNEL);
@ -670,16 +727,24 @@ static int rdac_bus_attach(struct scsi_device *sdev)
h->lun = UNINITIALIZED_LUN;
h->state = RDAC_STATE_ACTIVE;
err = get_lun(sdev, h);
err = get_lun_info(sdev, h, array_name);
if (err != SCSI_DH_OK)
goto failed;
err = initialize_controller(sdev, h, array_name);
if (err != SCSI_DH_OK)
goto failed;
err = check_ownership(sdev, h);
if (err != SCSI_DH_OK)
goto failed;
goto clean_ctlr;
err = set_mode_select(sdev, h);
if (err != SCSI_DH_OK)
goto clean_ctlr;
if (!try_module_get(THIS_MODULE))
goto failed;
goto clean_ctlr;
spin_lock_irqsave(sdev->request_queue->queue_lock, flags);
sdev->scsi_dh_data = scsi_dh_data;
@ -691,6 +756,9 @@ static int rdac_bus_attach(struct scsi_device *sdev)
return 0;
clean_ctlr:
kref_put(&h->ctlr->kref, release_controller);
failed:
kfree(scsi_dh_data);
sdev_printk(KERN_ERR, sdev, "%s: not attached\n",

1084
drivers/scsi/fcoe/fcoe.c
View File

File diff suppressed because it is too large Load Diff

36
drivers/scsi/fcoe/fcoe.h
View File

@ -37,8 +37,8 @@
#define FCOE_MAX_OUTSTANDING_COMMANDS 1024
#define FCOE_MIN_XID 0x0001 /* the min xid supported by fcoe_sw */
#define FCOE_MAX_XID 0x07ef /* the max xid supported by fcoe_sw */
#define FCOE_MIN_XID 0x0000 /* the min xid supported by fcoe_sw */
#define FCOE_MAX_XID 0x0FFF /* the max xid supported by fcoe_sw */
unsigned int fcoe_debug_logging;
module_param_named(debug_logging, fcoe_debug_logging, int, S_IRUGO|S_IWUSR);
@ -53,7 +53,7 @@ do { \
do { \
CMD; \
} while (0); \
} while (0);
} while (0)
#define FCOE_DBG(fmt, args...) \
FCOE_CHECK_LOGGING(FCOE_LOGGING, \
@ -61,7 +61,7 @@ do { \
#define FCOE_NETDEV_DBG(netdev, fmt, args...) \
FCOE_CHECK_LOGGING(FCOE_NETDEV_LOGGING, \
printk(KERN_INFO "fcoe: %s" fmt, \
printk(KERN_INFO "fcoe: %s: " fmt, \
netdev->name, ##args);)
/*
@ -75,26 +75,36 @@ struct fcoe_percpu_s {
};
/*
* the fcoe sw transport private data
* an FCoE interface, 1:1 with netdev
*/
struct fcoe_softc {
struct fcoe_interface {
struct list_head list;
struct net_device *real_dev;
struct net_device *phys_dev; /* device with ethtool_ops */
struct net_device *netdev;
struct packet_type fcoe_packet_type;
struct packet_type fip_packet_type;
struct fcoe_ctlr ctlr;
struct fc_exch_mgr *oem; /* offload exchange manager */
struct kref kref;
};
/*
* the FCoE private structure that's allocated along with the
* Scsi_Host and libfc fc_lport structures
*/
struct fcoe_port {
struct fcoe_interface *fcoe;
struct fc_lport *lport;
struct sk_buff_head fcoe_pending_queue;
u8 fcoe_pending_queue_active;
struct timer_list timer; /* queue timer */
struct fcoe_ctlr ctlr;
struct work_struct destroy_work; /* to prevent rtnl deadlocks */
};
#define fcoe_from_ctlr(fc) container_of(fc, struct fcoe_softc, ctlr)
#define fcoe_from_ctlr(fip) container_of(fip, struct fcoe_interface, ctlr)
static inline struct net_device *fcoe_netdev(
const struct fc_lport *lp)
static inline struct net_device *fcoe_netdev(const struct fc_lport *lp)
{
return ((struct fcoe_softc *)lport_priv(lp))->real_dev;
return ((struct fcoe_port *)lport_priv(lp))->fcoe->netdev;
}
#endif /* _FCOE_H_ */

30
drivers/scsi/fcoe/libfcoe.c
View File

@ -69,7 +69,7 @@ do { \
do { \
CMD; \
} while (0); \
} while (0);
} while (0)
#define LIBFCOE_DBG(fmt, args...) \
LIBFCOE_CHECK_LOGGING(LIBFCOE_LOGGING, \
@ -148,13 +148,17 @@ static void fcoe_ctlr_reset_fcfs(struct fcoe_ctlr *fip)
*/
void fcoe_ctlr_destroy(struct fcoe_ctlr *fip)
{
flush_work(&fip->recv_work);
cancel_work_sync(&fip->recv_work);
spin_lock_bh(&fip->fip_recv_list.lock);
__skb_queue_purge(&fip->fip_recv_list);
spin_unlock_bh(&fip->fip_recv_list.lock);
spin_lock_bh(&fip->lock);
fip->state = FIP_ST_DISABLED;
fcoe_ctlr_reset_fcfs(fip);
spin_unlock_bh(&fip->lock);
del_timer_sync(&fip->timer);
flush_work(&fip->link_work);
cancel_work_sync(&fip->link_work);
}
EXPORT_SYMBOL(fcoe_ctlr_destroy);
@ -413,10 +417,18 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip,
struct fip_mac_desc *mac;
struct fcoe_fcf *fcf;
size_t dlen;
u16 fip_flags;
fcf = fip->sel_fcf;
if (!fcf)
return -ENODEV;
/* set flags according to both FCF and lport's capability on SPMA */
fip_flags = fcf->flags;
fip_flags &= fip->spma ? FIP_FL_SPMA | FIP_FL_FPMA : FIP_FL_FPMA;
if (!fip_flags)
return -ENODEV;
dlen = sizeof(struct fip_encaps) + skb->len; /* len before push */
cap = (struct fip_encaps_head *)skb_push(skb, sizeof(*cap));
@ -429,9 +441,7 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip,
cap->fip.fip_op = htons(FIP_OP_LS);
cap->fip.fip_subcode = FIP_SC_REQ;
cap->fip.fip_dl_len = htons((dlen + sizeof(*mac)) / FIP_BPW);
cap->fip.fip_flags = htons(FIP_FL_FPMA);
if (fip->spma)
cap->fip.fip_flags |= htons(FIP_FL_SPMA);
cap->fip.fip_flags = htons(fip_flags);
cap->encaps.fd_desc.fip_dtype = dtype;
cap->encaps.fd_desc.fip_dlen = dlen / FIP_BPW;
@ -879,7 +889,7 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
stats->RxFrames++;
stats->RxWords += skb->len / FIP_BPW;
fc_exch_recv(lp, lp->emp, fp);
fc_exch_recv(lp, fp);
return;
len_err:
@ -1104,7 +1114,6 @@ static void fcoe_ctlr_timeout(unsigned long arg)
struct fcoe_fcf *sel;
struct fcoe_fcf *fcf;
unsigned long next_timer = jiffies + msecs_to_jiffies(FIP_VN_KA_PERIOD);
DECLARE_MAC_BUF(buf);
u8 send_ctlr_ka;
u8 send_port_ka;
@ -1128,9 +1137,8 @@ static void fcoe_ctlr_timeout(unsigned long arg)
fcf = sel; /* the old FCF may have been freed */
if (sel) {
printk(KERN_INFO "libfcoe: host%d: FIP selected "
"Fibre-Channel Forwarder MAC %s\n",
fip->lp->host->host_no,
print_mac(buf, sel->fcf_mac));
"Fibre-Channel Forwarder MAC %pM\n",
fip->lp->host->host_no, sel->fcf_mac);
memcpy(fip->dest_addr, sel->fcf_mac, ETH_ALEN);
fip->port_ka_time = jiffies +
msecs_to_jiffies(FIP_VN_KA_PERIOD);

2
drivers/scsi/fnic/fnic_fcs.c
View File

@ -115,7 +115,7 @@ void fnic_handle_frame(struct work_struct *work)
}
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
fc_exch_recv(lp, lp->emp, fp);
fc_exch_recv(lp, fp);
}
}

20
drivers/scsi/fnic/fnic_main.c
View File

@ -671,14 +671,6 @@ static int __devinit fnic_probe(struct pci_dev *pdev,
lp->link_up = 0;
lp->tt = fnic_transport_template;
lp->emp = fc_exch_mgr_alloc(lp, FC_CLASS_3,
FCPIO_HOST_EXCH_RANGE_START,
FCPIO_HOST_EXCH_RANGE_END);
if (!lp->emp) {
err = -ENOMEM;
goto err_out_remove_scsi_host;
}
lp->max_retry_count = fnic->config.flogi_retries;
lp->max_rport_retry_count = fnic->config.plogi_retries;
lp->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
@ -693,12 +685,18 @@ static int __devinit fnic_probe(struct pci_dev *pdev,
fc_set_wwnn(lp, fnic->config.node_wwn);
fc_set_wwpn(lp, fnic->config.port_wwn);
fc_exch_init(lp);
fc_lport_init(lp);
fc_exch_init(lp);
fc_elsct_init(lp);
fc_rport_init(lp);
fc_disc_init(lp);
if (!fc_exch_mgr_alloc(lp, FC_CLASS_3, FCPIO_HOST_EXCH_RANGE_START,
FCPIO_HOST_EXCH_RANGE_END, NULL)) {
err = -ENOMEM;
goto err_out_remove_scsi_host;
}
fc_lport_config(lp);
if (fc_set_mfs(lp, fnic->config.maxdatafieldsize +
@ -738,7 +736,7 @@ static int __devinit fnic_probe(struct pci_dev *pdev,
return 0;
err_out_free_exch_mgr:
fc_exch_mgr_free(lp->emp);
fc_exch_mgr_free(lp);
err_out_remove_scsi_host:
fc_remove_host(fnic->lport->host);
scsi_remove_host(fnic->lport->host);
@ -827,7 +825,7 @@ static void __devexit fnic_remove(struct pci_dev *pdev)
fc_remove_host(fnic->lport->host);
scsi_remove_host(fnic->lport->host);
fc_exch_mgr_free(fnic->lport->emp);
fc_exch_mgr_free(fnic->lport);
vnic_dev_notify_unset(fnic->vdev);
fnic_free_vnic_resources(fnic);
fnic_free_intr(fnic);

2
drivers/scsi/ibmvscsi/ibmvfc.c
View File

@ -4217,7 +4217,7 @@ static int ibmvfc_alloc_mem(struct ibmvfc_host *vhost)
if (!vhost->trace)
goto free_disc_buffer;
vhost->tgt_pool = mempool_create_kzalloc_pool(IBMVFC_TGT_MEMPOOL_SZ,
vhost->tgt_pool = mempool_create_kmalloc_pool(IBMVFC_TGT_MEMPOOL_SZ,
sizeof(struct ibmvfc_target));
if (!vhost->tgt_pool) {

2
drivers/scsi/ipr.h
View File

@ -1199,7 +1199,7 @@ struct ipr_ioa_cfg {
struct ata_host ata_host;
char ipr_cmd_label[8];
#define IPR_CMD_LABEL "ipr_cmnd"
#define IPR_CMD_LABEL "ipr_cmd"
struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
};

31
drivers/scsi/iscsi_tcp.c
View File

@ -99,6 +99,27 @@ static int iscsi_sw_tcp_recv(read_descriptor_t *rd_desc, struct sk_buff *skb,
return total_consumed;
}
/**
* iscsi_sw_sk_state_check - check socket state
* @sk: socket
*
* If the socket is in CLOSE or CLOSE_WAIT we should
* not close the connection if there is still some
* data pending.
*/
static inline int iscsi_sw_sk_state_check(struct sock *sk)
{
struct iscsi_conn *conn = (struct iscsi_conn*)sk->sk_user_data;
if ((sk->sk_state == TCP_CLOSE_WAIT || sk->sk_state == TCP_CLOSE) &&
!atomic_read(&sk->sk_rmem_alloc)) {
ISCSI_SW_TCP_DBG(conn, "TCP_CLOSE|TCP_CLOSE_WAIT\n");
iscsi_conn_failure(conn, ISCSI_ERR_TCP_CONN_CLOSE);
return -ECONNRESET;
}
return 0;
}
static void iscsi_sw_tcp_data_ready(struct sock *sk, int flag)
{
struct iscsi_conn *conn = sk->sk_user_data;
@ -117,6 +138,8 @@ static void iscsi_sw_tcp_data_ready(struct sock *sk, int flag)
rd_desc.count = 1;
tcp_read_sock(sk, &rd_desc, iscsi_sw_tcp_recv);
iscsi_sw_sk_state_check(sk);
read_unlock(&sk->sk_callback_lock);
/* If we had to (atomically) map a highmem page,
@ -137,13 +160,7 @@ static void iscsi_sw_tcp_state_change(struct sock *sk)
conn = (struct iscsi_conn*)sk->sk_user_data;
session = conn->session;
if ((sk->sk_state == TCP_CLOSE_WAIT ||
sk->sk_state == TCP_CLOSE) &&
!atomic_read(&sk->sk_rmem_alloc)) {
ISCSI_SW_TCP_DBG(conn, "iscsi_tcp_state_change: "
"TCP_CLOSE|TCP_CLOSE_WAIT\n");
iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
}
iscsi_sw_sk_state_check(sk);
tcp_conn = conn->dd_data;
tcp_sw_conn = tcp_conn->dd_data;

523
drivers/scsi/libfc/fc_disc.c
View File

@ -43,46 +43,13 @@
#define FC_DISC_RETRY_LIMIT 3 /* max retries */
#define FC_DISC_RETRY_DELAY 500UL /* (msecs) delay */
#define FC_DISC_DELAY 3
static void fc_disc_gpn_ft_req(struct fc_disc *);
static void fc_disc_gpn_ft_resp(struct fc_seq *, struct fc_frame *, void *);
static int fc_disc_new_target(struct fc_disc *, struct fc_rport *,
struct fc_rport_identifiers *);
static void fc_disc_del_target(struct fc_disc *, struct fc_rport *);
static void fc_disc_done(struct fc_disc *);
static void fc_disc_done(struct fc_disc *, enum fc_disc_event);
static void fc_disc_timeout(struct work_struct *);
static void fc_disc_single(struct fc_disc *, struct fc_disc_port *);
static int fc_disc_single(struct fc_lport *, struct fc_disc_port *);
static void fc_disc_restart(struct fc_disc *);
/**
* fc_disc_lookup_rport() - lookup a remote port by port_id
* @lport: Fibre Channel host port instance
* @port_id: remote port port_id to match
*/
struct fc_rport *fc_disc_lookup_rport(const struct fc_lport *lport,
u32 port_id)
{
const struct fc_disc *disc = &lport->disc;
struct fc_rport *rport, *found = NULL;
struct fc_rport_libfc_priv *rdata;
int disc_found = 0;
list_for_each_entry(rdata, &disc->rports, peers) {
rport = PRIV_TO_RPORT(rdata);
if (rport->port_id == port_id) {
disc_found = 1;
found = rport;
break;
}
}
if (!disc_found)
found = NULL;
return found;
}
/**
* fc_disc_stop_rports() - delete all the remote ports associated with the lport
* @disc: The discovery job to stop rports on
@ -93,69 +60,16 @@ struct fc_rport *fc_disc_lookup_rport(const struct fc_lport *lport,
void fc_disc_stop_rports(struct fc_disc *disc)
{
struct fc_lport *lport;
struct fc_rport *rport;
struct fc_rport_libfc_priv *rdata, *next;
struct fc_rport_priv *rdata, *next;
lport = disc->lport;
mutex_lock(&disc->disc_mutex);
list_for_each_entry_safe(rdata, next, &disc->rports, peers) {
rport = PRIV_TO_RPORT(rdata);
list_del(&rdata->peers);
lport->tt.rport_logoff(rport);
}
list_for_each_entry_safe(rdata, next, &disc->rogue_rports, peers) {
rport = PRIV_TO_RPORT(rdata);
lport->tt.rport_logoff(rport);
}
list_for_each_entry_safe(rdata, next, &disc->rports, peers)
lport->tt.rport_logoff(rdata);
mutex_unlock(&disc->disc_mutex);
}
/**
* fc_disc_rport_callback() - Event handler for rport events
* @lport: The lport which is receiving the event
* @rport: The rport which the event has occured on
* @event: The event that occured
*
* Locking Note: The rport lock should not be held when calling
* this function.
*/
static void fc_disc_rport_callback(struct fc_lport *lport,
struct fc_rport *rport,
enum fc_rport_event event)
{
struct fc_rport_libfc_priv *rdata = rport->dd_data;
struct fc_disc *disc = &lport->disc;
FC_DISC_DBG(disc, "Received a %d event for port (%6x)\n", event,
rport->port_id);
switch (event) {
case RPORT_EV_CREATED:
if (disc) {
mutex_lock(&disc->disc_mutex);
list_add_tail(&rdata->peers, &disc->rports);
mutex_unlock(&disc->disc_mutex);
}
break;
case RPORT_EV_LOGO:
case RPORT_EV_FAILED:
case RPORT_EV_STOP:
mutex_lock(&disc->disc_mutex);
mutex_lock(&rdata->rp_mutex);
if (rdata->trans_state == FC_PORTSTATE_ROGUE)
list_del(&rdata->peers);
mutex_unlock(&rdata->rp_mutex);
mutex_unlock(&disc->disc_mutex);
break;
default:
break;
}
}
/**
* fc_disc_recv_rscn_req() - Handle Registered State Change Notification (RSCN)
* @sp: Current sequence of the RSCN exchange
@ -169,8 +83,6 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
struct fc_disc *disc)
{
struct fc_lport *lport;
struct fc_rport *rport;
struct fc_rport_libfc_priv *rdata;
struct fc_els_rscn *rp;
struct fc_els_rscn_page *pp;
struct fc_seq_els_data rjt_data;
@ -224,10 +136,7 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
break;
}
dp->lp = lport;
dp->ids.port_id = ntoh24(pp->rscn_fid);
dp->ids.port_name = -1;
dp->ids.node_name = -1;
dp->ids.roles = FC_RPORT_ROLE_UNKNOWN;
dp->port_id = ntoh24(pp->rscn_fid);
list_add_tail(&dp->peers, &disc_ports);
break;
case ELS_ADDR_FMT_AREA:
@ -240,6 +149,19 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
}
}
lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL);
/*
* If not doing a complete rediscovery, do GPN_ID on
* the individual ports mentioned in the list.
* If any of these get an error, do a full rediscovery.
* In any case, go through the list and free the entries.
*/
list_for_each_entry_safe(dp, next, &disc_ports, peers) {
list_del(&dp->peers);
if (!redisc)
redisc = fc_disc_single(lport, dp);
kfree(dp);
}
if (redisc) {
FC_DISC_DBG(disc, "RSCN received: rediscovering\n");
fc_disc_restart(disc);
@ -247,16 +169,6 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
FC_DISC_DBG(disc, "RSCN received: not rediscovering. "
"redisc %d state %d in_prog %d\n",
redisc, lport->state, disc->pending);
list_for_each_entry_safe(dp, next, &disc_ports, peers) {
list_del(&dp->peers);
rport = lport->tt.rport_lookup(lport, dp->ids.port_id);
if (rport) {
rdata = rport->dd_data;
list_del(&rdata->peers);
lport->tt.rport_logoff(rport);
}
fc_disc_single(disc, dp);
}
}
fc_frame_free(fp);
return;
@ -308,35 +220,34 @@ static void fc_disc_recv_req(struct fc_seq *sp, struct fc_frame *fp,
*/
static void fc_disc_restart(struct fc_disc *disc)
{
struct fc_rport *rport;
struct fc_rport_libfc_priv *rdata, *next;
struct fc_lport *lport = disc->lport;
if (!disc->disc_callback)
return;
FC_DISC_DBG(disc, "Restarting discovery\n");
list_for_each_entry_safe(rdata, next, &disc->rports, peers) {
rport = PRIV_TO_RPORT(rdata);
list_del(&rdata->peers);
lport->tt.rport_logoff(rport);
}
disc->requested = 1;
if (!disc->pending)
fc_disc_gpn_ft_req(disc);
if (disc->pending)
return;
/*
* Advance disc_id. This is an arbitrary non-zero number that will
* match the value in the fc_rport_priv after discovery for all
* freshly-discovered remote ports. Avoid wrapping to zero.
*/
disc->disc_id = (disc->disc_id + 2) | 1;
disc->retry_count = 0;
fc_disc_gpn_ft_req(disc);
}
/**
* fc_disc_start() - Fibre Channel Target discovery
* @lport: FC local port
*
* Returns non-zero if discovery cannot be started.
* @disc_callback: function to be called when discovery is complete
*/
static void fc_disc_start(void (*disc_callback)(struct fc_lport *,
enum fc_disc_event),
struct fc_lport *lport)
{
struct fc_rport *rport;
struct fc_rport_identifiers ids;
struct fc_disc *disc = &lport->disc;
/*
@ -345,145 +256,47 @@ static void fc_disc_start(void (*disc_callback)(struct fc_lport *,
* and send the GPN_FT request.
*/
mutex_lock(&disc->disc_mutex);
disc->disc_callback = disc_callback;
/*
* If not ready, or already running discovery, just set request flag.
*/
disc->requested = 1;
if (disc->pending) {
mutex_unlock(&disc->disc_mutex);
return;
}
/*
* Handle point-to-point mode as a simple discovery
* of the remote port. Yucky, yucky, yuck, yuck!
*/
rport = disc->lport->ptp_rp;
if (rport) {
ids.port_id = rport->port_id;
ids.port_name = rport->port_name;
ids.node_name = rport->node_name;
ids.roles = FC_RPORT_ROLE_UNKNOWN;
get_device(&rport->dev);
if (!fc_disc_new_target(disc, rport, &ids)) {
disc->event = DISC_EV_SUCCESS;
fc_disc_done(disc);
}
put_device(&rport->dev);
} else {
fc_disc_gpn_ft_req(disc); /* get ports by FC-4 type */
}
fc_disc_restart(disc);
mutex_unlock(&disc->disc_mutex);
}
static struct fc_rport_operations fc_disc_rport_ops = {
.event_callback = fc_disc_rport_callback,
};
/**
* fc_disc_new_target() - Handle new target found by discovery
* @lport: FC local port
* @rport: The previous FC remote port (NULL if new remote port)
* @ids: Identifiers for the new FC remote port
*
* Locking Note: This function expects that the disc_mutex is locked
* before it is called.
*/
static int fc_disc_new_target(struct fc_disc *disc,
struct fc_rport *rport,
struct fc_rport_identifiers *ids)
{
struct fc_lport *lport = disc->lport;
struct fc_rport_libfc_priv *rdata;
int error = 0;
if (rport && ids->port_name) {
if (rport->port_name == -1) {
/*
* Set WWN and fall through to notify of create.
*/
fc_rport_set_name(rport, ids->port_name,
rport->node_name);
} else if (rport->port_name != ids->port_name) {
/*
* This is a new port with the same FCID as
* a previously-discovered port. Presumably the old
* port logged out and a new port logged in and was
* assigned the same FCID. This should be rare.
* Delete the old one and fall thru to re-create.
*/
fc_disc_del_target(disc, rport);
rport = NULL;
}
}
if (((ids->port_name != -1) || (ids->port_id != -1)) &&
ids->port_id != fc_host_port_id(lport->host) &&
ids->port_name != lport->wwpn) {
if (!rport) {
rport = lport->tt.rport_lookup(lport, ids->port_id);
if (!rport) {
struct fc_disc_port dp;
dp.lp = lport;
dp.ids.port_id = ids->port_id;
dp.ids.port_name = ids->port_name;
dp.ids.node_name = ids->node_name;
dp.ids.roles = ids->roles;
rport = lport->tt.rport_create(&dp);
}
if (!rport)
error = -ENOMEM;
}
if (rport) {
rdata = rport->dd_data;
rdata->ops = &fc_disc_rport_ops;
rdata->rp_state = RPORT_ST_INIT;
list_add_tail(&rdata->peers, &disc->rogue_rports);
lport->tt.rport_login(rport);
}
}
return error;
}
/**
* fc_disc_del_target() - Delete a target
* @disc: FC discovery context
* @rport: The remote port to be removed
*/
static void fc_disc_del_target(struct fc_disc *disc, struct fc_rport *rport)
{
struct fc_lport *lport = disc->lport;
struct fc_rport_libfc_priv *rdata = rport->dd_data;
list_del(&rdata->peers);
lport->tt.rport_logoff(rport);
}
/**
* fc_disc_done() - Discovery has been completed
* @disc: FC discovery context
* @event: discovery completion status
*
* Locking Note: This function expects that the disc mutex is locked before
* it is called. The discovery callback is then made with the lock released,
* and the lock is re-taken before returning from this function
*/
static void fc_disc_done(struct fc_disc *disc)
static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event)
{
struct fc_lport *lport = disc->lport;
enum fc_disc_event event;
struct fc_rport_priv *rdata;
FC_DISC_DBG(disc, "Discovery complete\n");
event = disc->event;
disc->event = DISC_EV_NONE;
disc->pending = 0;
if (disc->requested) {
fc_disc_restart(disc);
return;
}
if (disc->requested)
fc_disc_gpn_ft_req(disc);
else
disc->pending = 0;
/*
* Go through all remote ports. If they were found in the latest
* discovery, reverify or log them in. Otherwise, log them out.
* Skip ports which were never discovered. These are the dNS port
* and ports which were created by PLOGI.
*/
list_for_each_entry(rdata, &disc->rports, peers) {
if (!rdata->disc_id)
continue;
if (rdata->disc_id == disc->disc_id)
lport->tt.rport_login(rdata);
else
lport->tt.rport_logoff(rdata);
}
mutex_unlock(&disc->disc_mutex);
disc->disc_callback(lport, event);
@ -522,11 +335,8 @@ static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp)
}
disc->retry_count++;
schedule_delayed_work(&disc->disc_work, delay);
} else {
/* exceeded retries */
disc->event = DISC_EV_FAILED;
fc_disc_done(disc);
}
} else
fc_disc_done(disc, DISC_EV_FAILED);
}
}
@ -555,7 +365,7 @@ static void fc_disc_gpn_ft_req(struct fc_disc *disc)
if (!fp)
goto err;
if (lport->tt.elsct_send(lport, NULL, fp,
if (lport->tt.elsct_send(lport, 0, fp,
FC_NS_GPN_FT,
fc_disc_gpn_ft_resp,
disc, lport->e_d_tov))
@ -565,10 +375,12 @@ err:
}
/**
* fc_disc_gpn_ft_parse() - Parse the list of IDs and names resulting from a request
* fc_disc_gpn_ft_parse() - Parse the body of the dNS GPN_FT response.
* @lport: Fibre Channel host port instance
* @buf: GPN_FT response buffer
* @len: size of response buffer
*
* Goes through the list of IDs and names resulting from a request.
*/
static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
{
@ -578,11 +390,11 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
size_t plen;
size_t tlen;
int error = 0;
struct fc_disc_port dp;
struct fc_rport *rport;
struct fc_rport_libfc_priv *rdata;
struct fc_rport_identifiers ids;
struct fc_rport_priv *rdata;
lport = disc->lport;
disc->seq_count++;
/*
* Handle partial name record left over from previous call.
@ -591,6 +403,7 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
plen = len;
np = (struct fc_gpn_ft_resp *)bp;
tlen = disc->buf_len;
disc->buf_len = 0;
if (tlen) {
WARN_ON(tlen >= sizeof(*np));
plen = sizeof(*np) - tlen;
@ -621,31 +434,25 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
* After the first time through the loop, things return to "normal".
*/
while (plen >= sizeof(*np)) {
dp.lp = lport;
dp.ids.port_id = ntoh24(np->fp_fid);
dp.ids.port_name = ntohll(np->fp_wwpn);
dp.ids.node_name = -1;
dp.ids.roles = FC_RPORT_ROLE_UNKNOWN;
ids.port_id = ntoh24(np->fp_fid);
ids.port_name = ntohll(np->fp_wwpn);
if ((dp.ids.port_id != fc_host_port_id(lport->host)) &&
(dp.ids.port_name != lport->wwpn)) {
rport = lport->tt.rport_create(&dp);
if (rport) {
rdata = rport->dd_data;
rdata->ops = &fc_disc_rport_ops;
rdata->local_port = lport;
list_add_tail(&rdata->peers,
&disc->rogue_rports);
lport->tt.rport_login(rport);
} else
if (ids.port_id != fc_host_port_id(lport->host) &&
ids.port_name != lport->wwpn) {
rdata = lport->tt.rport_create(lport, ids.port_id);
if (rdata) {
rdata->ids.port_name = ids.port_name;
rdata->disc_id = disc->disc_id;
} else {
printk(KERN_WARNING "libfc: Failed to allocate "
"memory for the newly discovered port "
"(%6x)\n", dp.ids.port_id);
"(%6x)\n", ids.port_id);
error = -ENOMEM;
}
}
if (np->fp_flags & FC_NS_FID_LAST) {
disc->event = DISC_EV_SUCCESS;
fc_disc_done(disc);
fc_disc_done(disc, DISC_EV_SUCCESS);
len = 0;
break;
}
@ -665,8 +472,6 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
memcpy(&disc->partial_buf, np, len);
}
disc->buf_len = (unsigned char) len;
} else {
disc->buf_len = 0;
}
return error;
}
@ -683,8 +488,7 @@ static void fc_disc_timeout(struct work_struct *work)
struct fc_disc,
disc_work.work);
mutex_lock(&disc->disc_mutex);
if (disc->requested && !disc->pending)
fc_disc_gpn_ft_req(disc);
fc_disc_gpn_ft_req(disc);
mutex_unlock(&disc->disc_mutex);
}
@ -703,10 +507,10 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp,
struct fc_disc *disc = disc_arg;
struct fc_ct_hdr *cp;
struct fc_frame_header *fh;
enum fc_disc_event event = DISC_EV_NONE;
unsigned int seq_cnt;
void *buf = NULL;
unsigned int len;
int error;
int error = 0;
mutex_lock(&disc->disc_mutex);
FC_DISC_DBG(disc, "Received a GPN_FT response\n");
@ -721,77 +525,158 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp,
fh = fc_frame_header_get(fp);
len = fr_len(fp) - sizeof(*fh);
seq_cnt = ntohs(fh->fh_seq_cnt);
if (fr_sof(fp) == FC_SOF_I3 && seq_cnt == 0 &&
disc->seq_count == 0) {
if (fr_sof(fp) == FC_SOF_I3 && seq_cnt == 0 && disc->seq_count == 0) {
cp = fc_frame_payload_get(fp, sizeof(*cp));
if (!cp) {
FC_DISC_DBG(disc, "GPN_FT response too short, len %d\n",
fr_len(fp));
event = DISC_EV_FAILED;
} else if (ntohs(cp->ct_cmd) == FC_FS_ACC) {
/* Accepted, parse the response. */
buf = cp + 1;
len -= sizeof(*cp);
error = fc_disc_gpn_ft_parse(disc, cp + 1, len);
} else if (ntohs(cp->ct_cmd) == FC_FS_RJT) {
FC_DISC_DBG(disc, "GPN_FT rejected reason %x exp %x "
"(check zoning)\n", cp->ct_reason,
cp->ct_explan);
disc->event = DISC_EV_FAILED;
fc_disc_done(disc);
event = DISC_EV_FAILED;
if (cp->ct_reason == FC_FS_RJT_UNABL &&
cp->ct_explan == FC_FS_EXP_FTNR)
event = DISC_EV_SUCCESS;
} else {
FC_DISC_DBG(disc, "GPN_FT unexpected response code "
"%x\n", ntohs(cp->ct_cmd));
event = DISC_EV_FAILED;
}
} else if (fr_sof(fp) == FC_SOF_N3 &&
seq_cnt == disc->seq_count) {
buf = fh + 1;
} else if (fr_sof(fp) == FC_SOF_N3 && seq_cnt == disc->seq_count) {
error = fc_disc_gpn_ft_parse(disc, fh + 1, len);
} else {
FC_DISC_DBG(disc, "GPN_FT unexpected frame - out of sequence? "
"seq_cnt %x expected %x sof %x eof %x\n",
seq_cnt, disc->seq_count, fr_sof(fp), fr_eof(fp));
event = DISC_EV_FAILED;
}
if (buf) {
error = fc_disc_gpn_ft_parse(disc, buf, len);
if (error)
fc_disc_error(disc, fp);
else
disc->seq_count++;
}
if (error)
fc_disc_error(disc, fp);
else if (event != DISC_EV_NONE)
fc_disc_done(disc, event);
fc_frame_free(fp);
mutex_unlock(&disc->disc_mutex);
}
/**
* fc_disc_gpn_id_resp() - Handle a response frame from Get Port Names (GPN_ID)
* @sp: exchange sequence
* @fp: response frame
* @rdata_arg: remote port private data
*
* Locking Note: This function is called without disc mutex held.
*/
static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
void *rdata_arg)
{
struct fc_rport_priv *rdata = rdata_arg;
struct fc_rport_priv *new_rdata;
struct fc_lport *lport;
struct fc_disc *disc;
struct fc_ct_hdr *cp;
struct fc_ns_gid_pn *pn;
u64 port_name;
lport = rdata->local_port;
disc = &lport->disc;
mutex_lock(&disc->disc_mutex);
if (PTR_ERR(fp) == -FC_EX_CLOSED)
goto out;
if (IS_ERR(fp))
goto redisc;
cp = fc_frame_payload_get(fp, sizeof(*cp));
if (!cp)
goto redisc;
if (ntohs(cp->ct_cmd) == FC_FS_ACC) {
if (fr_len(fp) < sizeof(struct fc_frame_header) +
sizeof(*cp) + sizeof(*pn))
goto redisc;
pn = (struct fc_ns_gid_pn *)(cp + 1);
port_name = get_unaligned_be64(&pn->fn_wwpn);
if (rdata->ids.port_name == -1)
rdata->ids.port_name = port_name;
else if (rdata->ids.port_name != port_name) {
FC_DISC_DBG(disc, "GPN_ID accepted. WWPN changed. "
"Port-id %x wwpn %llx\n",
rdata->ids.port_id, port_name);
lport->tt.rport_logoff(rdata);
new_rdata = lport->tt.rport_create(lport,
rdata->ids.port_id);
if (new_rdata) {
new_rdata->disc_id = disc->disc_id;
lport->tt.rport_login(new_rdata);
}
goto out;
}
rdata->disc_id = disc->disc_id;
lport->tt.rport_login(rdata);
} else if (ntohs(cp->ct_cmd) == FC_FS_RJT) {
FC_DISC_DBG(disc, "GPN_ID rejected reason %x exp %x\n",
cp->ct_reason, cp->ct_explan);
lport->tt.rport_logoff(rdata);
} else {
FC_DISC_DBG(disc, "GPN_ID unexpected response code %x\n",
ntohs(cp->ct_cmd));
redisc:
fc_disc_restart(disc);
}
out:
mutex_unlock(&disc->disc_mutex);
kref_put(&rdata->kref, lport->tt.rport_destroy);
}
/**
* fc_disc_gpn_id_req() - Send Get Port Names by ID (GPN_ID) request
* @lport: local port
* @rdata: remote port private data
*
* Locking Note: This function expects that the disc_mutex is locked
* before it is called.
* On failure, an error code is returned.
*/
static int fc_disc_gpn_id_req(struct fc_lport *lport,
struct fc_rport_priv *rdata)
{
struct fc_frame *fp;
fp = fc_frame_alloc(lport, sizeof(struct fc_ct_hdr) +
sizeof(struct fc_ns_fid));
if (!fp)
return -ENOMEM;
if (!lport->tt.elsct_send(lport, rdata->ids.port_id, fp, FC_NS_GPN_ID,
fc_disc_gpn_id_resp, rdata, lport->e_d_tov))
return -ENOMEM;
kref_get(&rdata->kref);
return 0;
}
/**
* fc_disc_single() - Discover the directory information for a single target
* @lport: FC local port
* @lport: local port
* @dp: The port to rediscover
*
* Locking Note: This function expects that the disc_mutex is locked
* before it is called.
*/
static void fc_disc_single(struct fc_disc *disc, struct fc_disc_port *dp)
static int fc_disc_single(struct fc_lport *lport, struct fc_disc_port *dp)
{
struct fc_lport *lport;
struct fc_rport *new_rport;
struct fc_rport_libfc_priv *rdata;
struct fc_rport_priv *rdata;
lport = disc->lport;
if (dp->ids.port_id == fc_host_port_id(lport->host))
goto out;
new_rport = lport->tt.rport_create(dp);
if (new_rport) {
rdata = new_rport->dd_data;
rdata->ops = &fc_disc_rport_ops;
kfree(dp);
list_add_tail(&rdata->peers, &disc->rogue_rports);
lport->tt.rport_login(new_rport);
}
return;
out:
kfree(dp);
rdata = lport->tt.rport_create(lport, dp->port_id);
if (!rdata)
return -ENOMEM;
rdata->disc_id = 0;
return fc_disc_gpn_id_req(lport, rdata);
}
/**
@ -841,18 +726,12 @@ int fc_disc_init(struct fc_lport *lport)
if (!lport->tt.disc_recv_req)
lport->tt.disc_recv_req = fc_disc_recv_req;
if (!lport->tt.rport_lookup)
lport->tt.rport_lookup = fc_disc_lookup_rport;
disc = &lport->disc;
INIT_DELAYED_WORK(&disc->disc_work, fc_disc_timeout);
mutex_init(&disc->disc_mutex);
INIT_LIST_HEAD(&disc->rports);
INIT_LIST_HEAD(&disc->rogue_rports);
disc->lport = lport;
disc->delay = FC_DISC_DELAY;
disc->event = DISC_EV_NONE;
return 0;
}

49
drivers/scsi/libfc/fc_elsct.c
View File

@ -32,7 +32,7 @@
* fc_elsct_send - sends ELS/CT frame
*/
static struct fc_seq *fc_elsct_send(struct fc_lport *lport,
struct fc_rport *rport,
u32 did,
struct fc_frame *fp,
unsigned int op,
void (*resp)(struct fc_seq *,
@ -41,16 +41,17 @@ static struct fc_seq *fc_elsct_send(struct fc_lport *lport,
void *arg, u32 timer_msec)
{
enum fc_rctl r_ctl;
u32 did = FC_FID_NONE;
enum fc_fh_type fh_type;
int rc;
/* ELS requests */
if ((op >= ELS_LS_RJT) && (op <= ELS_AUTH_ELS))
rc = fc_els_fill(lport, rport, fp, op, &r_ctl, &did, &fh_type);
else
rc = fc_els_fill(lport, did, fp, op, &r_ctl, &fh_type);
else {
/* CT requests */
rc = fc_ct_fill(lport, fp, op, &r_ctl, &did, &fh_type);
rc = fc_ct_fill(lport, did, fp, op, &r_ctl, &fh_type);
did = FC_FID_DIR_SERV;
}
if (rc)
return NULL;
@ -69,3 +70,41 @@ int fc_elsct_init(struct fc_lport *lport)
return 0;
}
EXPORT_SYMBOL(fc_elsct_init);
/**
* fc_els_resp_type() - return string describing ELS response for debug.
* @fp: frame pointer with possible error code.
*/
const char *fc_els_resp_type(struct fc_frame *fp)
{
const char *msg;
if (IS_ERR(fp)) {
switch (-PTR_ERR(fp)) {
case FC_NO_ERR:
msg = "response no error";
break;
case FC_EX_TIMEOUT:
msg = "response timeout";
break;
case FC_EX_CLOSED:
msg = "response closed";
break;
default:
msg = "response unknown error";
break;
}
} else {
switch (fc_frame_payload_op(fp)) {
case ELS_LS_ACC:
msg = "accept";
break;
case ELS_LS_RJT:
msg = "reject";
break;
default:
msg = "response unknown ELS";
break;
}
}
return msg;
}

515
drivers/scsi/libfc/fc_exch.c
View File

@ -32,6 +32,9 @@
#include <scsi/libfc.h>
#include <scsi/fc_encode.h>
u16 fc_cpu_mask; /* cpu mask for possible cpus */
EXPORT_SYMBOL(fc_cpu_mask);
static u16 fc_cpu_order; /* 2's power to represent total possible cpus */
static struct kmem_cache *fc_em_cachep; /* cache for exchanges */
/*
@ -47,6 +50,20 @@ static struct kmem_cache *fc_em_cachep; /* cache for exchanges */
* fc_seq holds the state for an individual sequence.
*/
/*
* Per cpu exchange pool
*
* This structure manages per cpu exchanges in array of exchange pointers.
* This array is allocated followed by struct fc_exch_pool memory for
* assigned range of exchanges to per cpu pool.
*/
struct fc_exch_pool {
u16 next_index; /* next possible free exchange index */
u16 total_exches; /* total allocated exchanges */
spinlock_t lock; /* exch pool lock */
struct list_head ex_list; /* allocated exchanges list */
};
/*
* Exchange manager.
*
@ -55,17 +72,13 @@ static struct kmem_cache *fc_em_cachep; /* cache for exchanges */
*/
struct fc_exch_mgr {
enum fc_class class; /* default class for sequences */
spinlock_t em_lock; /* exchange manager lock,
must be taken before ex_lock */
u16 last_xid; /* last allocated exchange ID */
struct kref kref; /* exchange mgr reference count */
u16 min_xid; /* min exchange ID */
u16 max_xid; /* max exchange ID */
u16 max_read; /* max exchange ID for read */
u16 last_read; /* last xid allocated for read */
u32 total_exches; /* total allocated exchanges */
struct list_head ex_list; /* allocated exchanges list */
struct fc_lport *lp; /* fc device instance */
mempool_t *ep_pool; /* reserve ep's */
u16 pool_max_index; /* max exch array index in exch pool */
struct fc_exch_pool *pool; /* per cpu exch pool */
/*
* currently exchange mgr stats are updated but not used.
@ -80,10 +93,15 @@ struct fc_exch_mgr {
atomic_t seq_not_found;
atomic_t non_bls_resp;
} stats;
struct fc_exch **exches; /* for exch pointers indexed by xid */
};
#define fc_seq_exch(sp) container_of(sp, struct fc_exch, seq)
struct fc_exch_mgr_anchor {
struct list_head ema_list;
struct fc_exch_mgr *mp;
bool (*match)(struct fc_frame *);
};
static void fc_exch_rrq(struct fc_exch *);
static void fc_seq_ls_acc(struct fc_seq *);
static void fc_seq_ls_rjt(struct fc_seq *, enum fc_els_rjt_reason,
@ -167,8 +185,8 @@ static struct fc_seq *fc_seq_start_next_locked(struct fc_seq *sp);
* sequence allocation and deallocation must be locked.
* - exchange refcnt can be done atomicly without locks.
* - sequence allocation must be locked by exch lock.
* - If the em_lock and ex_lock must be taken at the same time, then the
* em_lock must be taken before the ex_lock.
* - If the EM pool lock and ex_lock must be taken at the same time, then the
* EM pool lock must be taken before the ex_lock.
*/
/*
@ -268,8 +286,6 @@ static void fc_exch_release(struct fc_exch *ep)
mp = ep->em;
if (ep->destructor)
ep->destructor(&ep->seq, ep->arg);
if (ep->lp->tt.exch_put)
ep->lp->tt.exch_put(ep->lp, mp, ep->xid);
WARN_ON(!(ep->esb_stat & ESB_ST_COMPLETE));
mempool_free(ep, mp->ep_pool);
}
@ -299,17 +315,31 @@ static int fc_exch_done_locked(struct fc_exch *ep)
return rc;
}
static void fc_exch_mgr_delete_ep(struct fc_exch *ep)
static inline struct fc_exch *fc_exch_ptr_get(struct fc_exch_pool *pool,
u16 index)
{
struct fc_exch_mgr *mp;
struct fc_exch **exches = (struct fc_exch **)(pool + 1);
return exches[index];
}
mp = ep->em;
spin_lock_bh(&mp->em_lock);
WARN_ON(mp->total_exches <= 0);
mp->total_exches--;
mp->exches[ep->xid - mp->min_xid] = NULL;
static inline void fc_exch_ptr_set(struct fc_exch_pool *pool, u16 index,
struct fc_exch *ep)
{
((struct fc_exch **)(pool + 1))[index] = ep;
}
static void fc_exch_delete(struct fc_exch *ep)
{
struct fc_exch_pool *pool;
pool = ep->pool;
spin_lock_bh(&pool->lock);
WARN_ON(pool->total_exches <= 0);
pool->total_exches--;
fc_exch_ptr_set(pool, (ep->xid - ep->em->min_xid) >> fc_cpu_order,
NULL);
list_del(&ep->ex_list);
spin_unlock_bh(&mp->em_lock);
spin_unlock_bh(&pool->lock);
fc_exch_release(ep); /* drop hold for exch in mp */
}
@ -322,7 +352,7 @@ static inline void fc_exch_timer_set_locked(struct fc_exch *ep,
if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE))
return;
FC_EXCH_DBG(ep, "Exchange timed out, notifying the upper layer\n");
FC_EXCH_DBG(ep, "Exchange timer armed\n");
if (schedule_delayed_work(&ep->timeout_work,
msecs_to_jiffies(timer_msec)))
@ -408,6 +438,8 @@ static void fc_exch_timeout(struct work_struct *work)
u32 e_stat;
int rc = 1;
FC_EXCH_DBG(ep, "Exchange timed out\n");
spin_lock_bh(&ep->ex_lock);
if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE))
goto unlock;
@ -427,7 +459,7 @@ static void fc_exch_timeout(struct work_struct *work)
rc = fc_exch_done_locked(ep);
spin_unlock_bh(&ep->ex_lock);
if (!rc)
fc_exch_mgr_delete_ep(ep);
fc_exch_delete(ep);
if (resp)
resp(sp, ERR_PTR(-FC_EX_TIMEOUT), arg);
fc_seq_exch_abort(sp, 2 * ep->r_a_tov);
@ -460,65 +492,20 @@ static struct fc_seq *fc_seq_alloc(struct fc_exch *ep, u8 seq_id)
return sp;
}
/*
* fc_em_alloc_xid - returns an xid based on request type
* @lp : ptr to associated lport
* @fp : ptr to the assocated frame
/**
* fc_exch_em_alloc() - allocate an exchange from a specified EM.
* @lport: ptr to the local port
* @mp: ptr to the exchange manager
*
* check the associated fc_fsp_pkt to get scsi command type and
* command direction to decide from which range this exch id
* will be allocated from.
*
* Returns : 0 or an valid xid
* Returns pointer to allocated fc_exch with exch lock held.
*/
static u16 fc_em_alloc_xid(struct fc_exch_mgr *mp, const struct fc_frame *fp)
{
u16 xid, min, max;
u16 *plast;
struct fc_exch *ep = NULL;
if (mp->max_read) {
if (fc_fcp_is_read(fr_fsp(fp))) {
min = mp->min_xid;
max = mp->max_read;
plast = &mp->last_read;
} else {
min = mp->max_read + 1;
max = mp->max_xid;
plast = &mp->last_xid;
}
} else {
min = mp->min_xid;
max = mp->max_xid;
plast = &mp->last_xid;
}
xid = *plast;
do {
xid = (xid == max) ? min : xid + 1;
ep = mp->exches[xid - mp->min_xid];
} while ((ep != NULL) && (xid != *plast));
if (unlikely(ep))
xid = 0;
else
*plast = xid;
return xid;
}
/*
* fc_exch_alloc - allocate an exchange.
* @mp : ptr to the exchange manager
* @xid: input xid
*
* if xid is supplied zero then assign next free exchange ID
* from exchange manager, otherwise use supplied xid.
* Returns with exch lock held.
*/
struct fc_exch *fc_exch_alloc(struct fc_exch_mgr *mp,
struct fc_frame *fp, u16 xid)
static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport,
struct fc_exch_mgr *mp)
{
struct fc_exch *ep;
unsigned int cpu;
u16 index;
struct fc_exch_pool *pool;
/* allocate memory for exchange */
ep = mempool_alloc(mp->ep_pool, GFP_ATOMIC);
@ -528,16 +515,17 @@ struct fc_exch *fc_exch_alloc(struct fc_exch_mgr *mp,
}
memset(ep, 0, sizeof(*ep));
spin_lock_bh(&mp->em_lock);
/* alloc xid if input xid 0 */
if (!xid) {
/* alloc a new xid */
xid = fc_em_alloc_xid(mp, fp);
if (!xid) {
printk(KERN_WARNING "libfc: Failed to allocate an exhange\n");
cpu = smp_processor_id();
pool = per_cpu_ptr(mp->pool, cpu);
spin_lock_bh(&pool->lock);
index = pool->next_index;
/* allocate new exch from pool */
while (fc_exch_ptr_get(pool, index)) {
index = index == mp->pool_max_index ? 0 : index + 1;
if (index == pool->next_index)
goto err;
}
}
pool->next_index = index == mp->pool_max_index ? 0 : index + 1;
fc_exch_hold(ep); /* hold for exch in mp */
spin_lock_init(&ep->ex_lock);
@ -548,18 +536,19 @@ struct fc_exch *fc_exch_alloc(struct fc_exch_mgr *mp,
*/
spin_lock_bh(&ep->ex_lock);
mp->exches[xid - mp->min_xid] = ep;
list_add_tail(&ep->ex_list, &mp->ex_list);
fc_exch_ptr_set(pool, index, ep);
list_add_tail(&ep->ex_list, &pool->ex_list);
fc_seq_alloc(ep, ep->seq_id++);
mp->total_exches++;
spin_unlock_bh(&mp->em_lock);
pool->total_exches++;
spin_unlock_bh(&pool->lock);
/*
* update exchange
*/
ep->oxid = ep->xid = xid;
ep->oxid = ep->xid = (index << fc_cpu_order | cpu) + mp->min_xid;
ep->em = mp;
ep->lp = mp->lp;
ep->pool = pool;
ep->lp = lport;
ep->f_ctl = FC_FC_FIRST_SEQ; /* next seq is first seq */
ep->rxid = FC_XID_UNKNOWN;
ep->class = mp->class;
@ -567,11 +556,36 @@ struct fc_exch *fc_exch_alloc(struct fc_exch_mgr *mp,
out:
return ep;
err:
spin_unlock_bh(&mp->em_lock);
spin_unlock_bh(&pool->lock);
atomic_inc(&mp->stats.no_free_exch_xid);
mempool_free(ep, mp->ep_pool);
return NULL;
}
/**
* fc_exch_alloc() - allocate an exchange.
* @lport: ptr to the local port
* @fp: ptr to the FC frame
*
* This function walks the list of the exchange manager(EM)
* anchors to select a EM for new exchange allocation. The
* EM is selected having either a NULL match function pointer
* or call to match function returning true.
*/
struct fc_exch *fc_exch_alloc(struct fc_lport *lport, struct fc_frame *fp)
{
struct fc_exch_mgr_anchor *ema;
struct fc_exch *ep;
list_for_each_entry(ema, &lport->ema_list, ema_list) {
if (!ema->match || ema->match(fp)) {
ep = fc_exch_em_alloc(lport, ema->mp);
if (ep)
return ep;
}
}
return NULL;
}
EXPORT_SYMBOL(fc_exch_alloc);
/*
@ -579,16 +593,18 @@ EXPORT_SYMBOL(fc_exch_alloc);
*/
static struct fc_exch *fc_exch_find(struct fc_exch_mgr *mp, u16 xid)
{
struct fc_exch_pool *pool;
struct fc_exch *ep = NULL;
if ((xid >= mp->min_xid) && (xid <= mp->max_xid)) {
spin_lock_bh(&mp->em_lock);
ep = mp->exches[xid - mp->min_xid];
pool = per_cpu_ptr(mp->pool, xid & fc_cpu_mask);
spin_lock_bh(&pool->lock);
ep = fc_exch_ptr_get(pool, (xid - mp->min_xid) >> fc_cpu_order);
if (ep) {
fc_exch_hold(ep);
WARN_ON(ep->xid != xid);
}
spin_unlock_bh(&mp->em_lock);
spin_unlock_bh(&pool->lock);
}
return ep;
}
@ -602,7 +618,7 @@ void fc_exch_done(struct fc_seq *sp)
rc = fc_exch_done_locked(ep);
spin_unlock_bh(&ep->ex_lock);
if (!rc)
fc_exch_mgr_delete_ep(ep);
fc_exch_delete(ep);
}
EXPORT_SYMBOL(fc_exch_done);
@ -610,12 +626,14 @@ EXPORT_SYMBOL(fc_exch_done);
* Allocate a new exchange as responder.
* Sets the responder ID in the frame header.
*/
static struct fc_exch *fc_exch_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
static struct fc_exch *fc_exch_resp(struct fc_lport *lport,
struct fc_exch_mgr *mp,
struct fc_frame *fp)
{
struct fc_exch *ep;
struct fc_frame_header *fh;
ep = mp->lp->tt.exch_get(mp->lp, fp);
ep = fc_exch_alloc(lport, fp);
if (ep) {
ep->class = fc_frame_class(fp);
@ -641,7 +659,7 @@ static struct fc_exch *fc_exch_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
ep->esb_stat &= ~ESB_ST_SEQ_INIT;
fc_exch_hold(ep); /* hold for caller */
spin_unlock_bh(&ep->ex_lock); /* lock from exch_get */
spin_unlock_bh(&ep->ex_lock); /* lock from fc_exch_alloc */
}
return ep;
}
@ -651,7 +669,8 @@ static struct fc_exch *fc_exch_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
* If fc_pf_rjt_reason is FC_RJT_NONE then this function will have a hold
* on the ep that should be released by the caller.
*/
static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_exch_mgr *mp,
static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
struct fc_exch_mgr *mp,
struct fc_frame *fp)
{
struct fc_frame_header *fh = fc_frame_header_get(fp);
@ -705,7 +724,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_exch_mgr *mp,
reject = FC_RJT_RX_ID;
goto rel;
}
ep = fc_exch_resp(mp, fp);
ep = fc_exch_resp(lport, mp, fp);
if (!ep) {
reject = FC_RJT_EXCH_EST; /* XXX */
goto out;
@ -822,7 +841,6 @@ struct fc_seq *fc_seq_start_next(struct fc_seq *sp)
struct fc_exch *ep = fc_seq_exch(sp);
spin_lock_bh(&ep->ex_lock);
WARN_ON((ep->esb_stat & ESB_ST_COMPLETE) != 0);
sp = fc_seq_start_next_locked(sp);
spin_unlock_bh(&ep->ex_lock);
@ -999,8 +1017,8 @@ static void fc_exch_send_ba_rjt(struct fc_frame *rx_fp,
*/
memcpy(fh->fh_s_id, rx_fh->fh_d_id, 3);
memcpy(fh->fh_d_id, rx_fh->fh_s_id, 3);
fh->fh_ox_id = rx_fh->fh_rx_id;
fh->fh_rx_id = rx_fh->fh_ox_id;
fh->fh_ox_id = rx_fh->fh_ox_id;
fh->fh_rx_id = rx_fh->fh_rx_id;
fh->fh_seq_cnt = rx_fh->fh_seq_cnt;
fh->fh_r_ctl = FC_RCTL_BA_RJT;
fh->fh_type = FC_TYPE_BLS;
@ -1097,7 +1115,7 @@ static void fc_exch_recv_req(struct fc_lport *lp, struct fc_exch_mgr *mp,
enum fc_pf_rjt_reason reject;
fr_seq(fp) = NULL;
reject = fc_seq_lookup_recip(mp, fp);
reject = fc_seq_lookup_recip(lp, mp, fp);
if (reject == FC_RJT_NONE) {
sp = fr_seq(fp); /* sequence will be held */
ep = fc_seq_exch(sp);
@ -1123,7 +1141,7 @@ static void fc_exch_recv_req(struct fc_lport *lp, struct fc_exch_mgr *mp,
lp->tt.lport_recv(lp, sp, fp);
fc_exch_release(ep); /* release from lookup */
} else {
FC_EM_DBG(mp, "exch/seq lookup failed: reject %x\n", reject);
FC_LPORT_DBG(lp, "exch/seq lookup failed: reject %x\n", reject);
fc_frame_free(fp);
}
}
@ -1193,7 +1211,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
WARN_ON(fc_seq_exch(sp) != ep);
spin_unlock_bh(&ep->ex_lock);
if (!rc)
fc_exch_mgr_delete_ep(ep);
fc_exch_delete(ep);
}
/*
@ -1229,13 +1247,12 @@ static void fc_exch_recv_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
struct fc_seq *sp;
sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */
if (!sp) {
if (!sp)
atomic_inc(&mp->stats.xid_not_found);
FC_EM_DBG(mp, "seq lookup failed\n");
} else {
else
atomic_inc(&mp->stats.non_bls_resp);
FC_EM_DBG(mp, "non-BLS response to sequence");
}
fc_frame_free(fp);
}
@ -1304,7 +1321,7 @@ static void fc_exch_abts_resp(struct fc_exch *ep, struct fc_frame *fp)
rc = fc_exch_done_locked(ep);
spin_unlock_bh(&ep->ex_lock);
if (!rc)
fc_exch_mgr_delete_ep(ep);
fc_exch_delete(ep);
if (resp)
resp(sp, fp, ex_resp_arg);
@ -1447,44 +1464,77 @@ static void fc_exch_reset(struct fc_exch *ep)
rc = fc_exch_done_locked(ep);
spin_unlock_bh(&ep->ex_lock);
if (!rc)
fc_exch_mgr_delete_ep(ep);
fc_exch_delete(ep);
if (resp)
resp(sp, ERR_PTR(-FC_EX_CLOSED), arg);
}
/*
* Reset an exchange manager, releasing all sequences and exchanges.
* If sid is non-zero, reset only exchanges we source from that FID.
* If did is non-zero, reset only exchanges destined to that FID.
/**
* fc_exch_pool_reset() - Resets an per cpu exches pool.
* @lport: ptr to the local port
* @pool: ptr to the per cpu exches pool
* @sid: source FC ID
* @did: destination FC ID
*
* Resets an per cpu exches pool, releasing its all sequences
* and exchanges. If sid is non-zero, then reset only exchanges
* we sourced from that FID. If did is non-zero, reset only
* exchanges destined to that FID.
*/
void fc_exch_mgr_reset(struct fc_lport *lp, u32 sid, u32 did)
static void fc_exch_pool_reset(struct fc_lport *lport,
struct fc_exch_pool *pool,
u32 sid, u32 did)
{
struct fc_exch *ep;
struct fc_exch *next;
struct fc_exch_mgr *mp = lp->emp;
spin_lock_bh(&mp->em_lock);
spin_lock_bh(&pool->lock);
restart:
list_for_each_entry_safe(ep, next, &mp->ex_list, ex_list) {
if ((sid == 0 || sid == ep->sid) &&
list_for_each_entry_safe(ep, next, &pool->ex_list, ex_list) {
if ((lport == ep->lp) &&
(sid == 0 || sid == ep->sid) &&
(did == 0 || did == ep->did)) {
fc_exch_hold(ep);
spin_unlock_bh(&mp->em_lock);
spin_unlock_bh(&pool->lock);
fc_exch_reset(ep);
fc_exch_release(ep);
spin_lock_bh(&mp->em_lock);
spin_lock_bh(&pool->lock);
/*
* must restart loop incase while lock was down
* multiple eps were released.
* must restart loop incase while lock
* was down multiple eps were released.
*/
goto restart;
}
}
spin_unlock_bh(&mp->em_lock);
spin_unlock_bh(&pool->lock);
}
/**
* fc_exch_mgr_reset() - Resets all EMs of a lport
* @lport: ptr to the local port
* @sid: source FC ID
* @did: destination FC ID
*
* Reset all EMs of a lport, releasing its all sequences and
* exchanges. If sid is non-zero, then reset only exchanges
* we sourced from that FID. If did is non-zero, reset only
* exchanges destined to that FID.
*/
void fc_exch_mgr_reset(struct fc_lport *lport, u32 sid, u32 did)
{
struct fc_exch_mgr_anchor *ema;
unsigned int cpu;
list_for_each_entry(ema, &lport->ema_list, ema_list) {
for_each_possible_cpu(cpu)
fc_exch_pool_reset(lport,
per_cpu_ptr(ema->mp->pool, cpu),
sid, did);
}
}
EXPORT_SYMBOL(fc_exch_mgr_reset);
@ -1730,85 +1780,129 @@ reject:
fc_frame_free(fp);
}
struct fc_exch_mgr_anchor *fc_exch_mgr_add(struct fc_lport *lport,
struct fc_exch_mgr *mp,
bool (*match)(struct fc_frame *))
{
struct fc_exch_mgr_anchor *ema;
ema = kmalloc(sizeof(*ema), GFP_ATOMIC);
if (!ema)
return ema;
ema->mp = mp;
ema->match = match;
/* add EM anchor to EM anchors list */
list_add_tail(&ema->ema_list, &lport->ema_list);
kref_get(&mp->kref);
return ema;
}
EXPORT_SYMBOL(fc_exch_mgr_add);
static void fc_exch_mgr_destroy(struct kref *kref)
{
struct fc_exch_mgr *mp = container_of(kref, struct fc_exch_mgr, kref);
mempool_destroy(mp->ep_pool);
free_percpu(mp->pool);
kfree(mp);
}
void fc_exch_mgr_del(struct fc_exch_mgr_anchor *ema)
{
/* remove EM anchor from EM anchors list */
list_del(&ema->ema_list);
kref_put(&ema->mp->kref, fc_exch_mgr_destroy);
kfree(ema);
}
EXPORT_SYMBOL(fc_exch_mgr_del);
struct fc_exch_mgr *fc_exch_mgr_alloc(struct fc_lport *lp,
enum fc_class class,
u16 min_xid, u16 max_xid)
u16 min_xid, u16 max_xid,
bool (*match)(struct fc_frame *))
{
struct fc_exch_mgr *mp;
size_t len;
u16 pool_exch_range;
size_t pool_size;
unsigned int cpu;
struct fc_exch_pool *pool;
if (max_xid <= min_xid || min_xid == 0 || max_xid == FC_XID_UNKNOWN) {
if (max_xid <= min_xid || max_xid == FC_XID_UNKNOWN ||
(min_xid & fc_cpu_mask) != 0) {
FC_LPORT_DBG(lp, "Invalid min_xid 0x:%x and max_xid 0x:%x\n",
min_xid, max_xid);
return NULL;
}
/*
* Memory need for EM
* allocate memory for EM
*/
#define xid_ok(i, m1, m2) (((i) >= (m1)) && ((i) <= (m2)))
len = (max_xid - min_xid + 1) * (sizeof(struct fc_exch *));
len += sizeof(struct fc_exch_mgr);
mp = kzalloc(len, GFP_ATOMIC);
mp = kzalloc(sizeof(struct fc_exch_mgr), GFP_ATOMIC);
if (!mp)
return NULL;
mp->class = class;
mp->total_exches = 0;
mp->exches = (struct fc_exch **)(mp + 1);
mp->lp = lp;
/* adjust em exch xid range for offload */
mp->min_xid = min_xid;
mp->max_xid = max_xid;
mp->last_xid = min_xid - 1;
mp->max_read = 0;
mp->last_read = 0;
if (lp->lro_enabled && xid_ok(lp->lro_xid, min_xid, max_xid)) {
mp->max_read = lp->lro_xid;
mp->last_read = min_xid - 1;
mp->last_xid = mp->max_read;
} else {
/* disable lro if no xid control over read */
lp->lro_enabled = 0;
}
INIT_LIST_HEAD(&mp->ex_list);
spin_lock_init(&mp->em_lock);
mp->ep_pool = mempool_create_slab_pool(2, fc_em_cachep);
if (!mp->ep_pool)
goto free_mp;
/*
* Setup per cpu exch pool with entire exchange id range equally
* divided across all cpus. The exch pointers array memory is
* allocated for exch range per pool.
*/
pool_exch_range = (mp->max_xid - mp->min_xid + 1) / (fc_cpu_mask + 1);
mp->pool_max_index = pool_exch_range - 1;
/*
* Allocate and initialize per cpu exch pool
*/
pool_size = sizeof(*pool) + pool_exch_range * sizeof(struct fc_exch *);
mp->pool = __alloc_percpu(pool_size, __alignof__(struct fc_exch_pool));
if (!mp->pool)
goto free_mempool;
for_each_possible_cpu(cpu) {
pool = per_cpu_ptr(mp->pool, cpu);
spin_lock_init(&pool->lock);
INIT_LIST_HEAD(&pool->ex_list);
}
kref_init(&mp->kref);
if (!fc_exch_mgr_add(lp, mp, match)) {
free_percpu(mp->pool);
goto free_mempool;
}
/*
* Above kref_init() sets mp->kref to 1 and then
* call to fc_exch_mgr_add incremented mp->kref again,
* so adjust that extra increment.
*/
kref_put(&mp->kref, fc_exch_mgr_destroy);
return mp;
free_mempool:
mempool_destroy(mp->ep_pool);
free_mp:
kfree(mp);
return NULL;
}
EXPORT_SYMBOL(fc_exch_mgr_alloc);
void fc_exch_mgr_free(struct fc_exch_mgr *mp)
void fc_exch_mgr_free(struct fc_lport *lport)
{
WARN_ON(!mp);
/*
* The total exch count must be zero
* before freeing exchange manager.
*/
WARN_ON(mp->total_exches != 0);
mempool_destroy(mp->ep_pool);
kfree(mp);
struct fc_exch_mgr_anchor *ema, *next;
list_for_each_entry_safe(ema, next, &lport->ema_list, ema_list)
fc_exch_mgr_del(ema);
}
EXPORT_SYMBOL(fc_exch_mgr_free);
struct fc_exch *fc_exch_get(struct fc_lport *lp, struct fc_frame *fp)
{
if (!lp || !lp->emp)
return NULL;
return fc_exch_alloc(lp->emp, fp, 0);
}
EXPORT_SYMBOL(fc_exch_get);
struct fc_seq *fc_exch_seq_send(struct fc_lport *lp,
struct fc_frame *fp,
@ -1823,7 +1917,7 @@ struct fc_seq *fc_exch_seq_send(struct fc_lport *lp,
struct fc_frame_header *fh;
int rc = 1;
ep = lp->tt.exch_get(lp, fp);
ep = fc_exch_alloc(lp, fp);
if (!ep) {
fc_frame_free(fp);
return NULL;
@ -1843,7 +1937,8 @@ struct fc_seq *fc_exch_seq_send(struct fc_lport *lp,
fc_exch_setup_hdr(ep, fp, ep->f_ctl);
sp->cnt++;
fc_fcp_ddp_setup(fr_fsp(fp), ep->xid);
if (ep->xid <= lp->lro_xid)
fc_fcp_ddp_setup(fr_fsp(fp), ep->xid);
if (unlikely(lp->tt.frame_send(lp, fp)))
goto err;
@ -1860,7 +1955,7 @@ err:
rc = fc_exch_done_locked(ep);
spin_unlock_bh(&ep->ex_lock);
if (!rc)
fc_exch_mgr_delete_ep(ep);
fc_exch_delete(ep);
return NULL;
}
EXPORT_SYMBOL(fc_exch_seq_send);
@ -1868,24 +1963,44 @@ EXPORT_SYMBOL(fc_exch_seq_send);
/*
* Receive a frame
*/
void fc_exch_recv(struct fc_lport *lp, struct fc_exch_mgr *mp,
struct fc_frame *fp)
void fc_exch_recv(struct fc_lport *lp, struct fc_frame *fp)
{
struct fc_frame_header *fh = fc_frame_header_get(fp);
u32 f_ctl;
struct fc_exch_mgr_anchor *ema;
u32 f_ctl, found = 0;
u16 oxid;
/* lport lock ? */
if (!lp || !mp || (lp->state == LPORT_ST_NONE)) {
if (!lp || lp->state == LPORT_ST_DISABLED) {
FC_LPORT_DBG(lp, "Receiving frames for an lport that "
"has not been initialized correctly\n");
fc_frame_free(fp);
return;
}
f_ctl = ntoh24(fh->fh_f_ctl);
oxid = ntohs(fh->fh_ox_id);
if (f_ctl & FC_FC_EX_CTX) {
list_for_each_entry(ema, &lp->ema_list, ema_list) {
if ((oxid >= ema->mp->min_xid) &&
(oxid <= ema->mp->max_xid)) {
found = 1;
break;
}
}
if (!found) {
FC_LPORT_DBG(lp, "Received response for out "
"of range oxid:%hx\n", oxid);
fc_frame_free(fp);
return;
}
} else
ema = list_entry(lp->ema_list.prev, typeof(*ema), ema_list);
/*
* If frame is marked invalid, just drop it.
*/
f_ctl = ntoh24(fh->fh_f_ctl);
switch (fr_eof(fp)) {
case FC_EOF_T:
if (f_ctl & FC_FC_END_SEQ)
@ -1893,34 +2008,24 @@ void fc_exch_recv(struct fc_lport *lp, struct fc_exch_mgr *mp,
/* fall through */
case FC_EOF_N:
if (fh->fh_type == FC_TYPE_BLS)
fc_exch_recv_bls(mp, fp);
fc_exch_recv_bls(ema->mp, fp);
else if ((f_ctl & (FC_FC_EX_CTX | FC_FC_SEQ_CTX)) ==
FC_FC_EX_CTX)
fc_exch_recv_seq_resp(mp, fp);
fc_exch_recv_seq_resp(ema->mp, fp);
else if (f_ctl & FC_FC_SEQ_CTX)
fc_exch_recv_resp(mp, fp);
fc_exch_recv_resp(ema->mp, fp);
else
fc_exch_recv_req(lp, mp, fp);
fc_exch_recv_req(lp, ema->mp, fp);
break;
default:
FC_EM_DBG(mp, "dropping invalid frame (eof %x)", fr_eof(fp));
FC_LPORT_DBG(lp, "dropping invalid frame (eof %x)", fr_eof(fp));
fc_frame_free(fp);
break;
}
}
EXPORT_SYMBOL(fc_exch_recv);
int fc_exch_init(struct fc_lport *lp)
{
if (!lp->tt.exch_get) {
/*
* exch_put() should be NULL if
* exch_get() is NULL
*/
WARN_ON(lp->tt.exch_put);
lp->tt.exch_get = fc_exch_get;
}
if (!lp->tt.seq_start_next)
lp->tt.seq_start_next = fc_seq_start_next;
@ -1942,6 +2047,28 @@ int fc_exch_init(struct fc_lport *lp)
if (!lp->tt.seq_exch_abort)
lp->tt.seq_exch_abort = fc_seq_exch_abort;
/*
* Initialize fc_cpu_mask and fc_cpu_order. The
* fc_cpu_mask is set for nr_cpu_ids rounded up
* to order of 2's * power and order is stored
* in fc_cpu_order as this is later required in
* mapping between an exch id and exch array index
* in per cpu exch pool.
*
* This round up is required to align fc_cpu_mask
* to exchange id's lower bits such that all incoming
* frames of an exchange gets delivered to the same
* cpu on which exchange originated by simple bitwise
* AND operation between fc_cpu_mask and exchange id.
*/
fc_cpu_mask = 1;
fc_cpu_order = 0;
while (fc_cpu_mask < nr_cpu_ids) {
fc_cpu_mask <<= 1;
fc_cpu_order++;
}
fc_cpu_mask--;
return 0;
}
EXPORT_SYMBOL(fc_exch_init);

31
drivers/scsi/libfc/fc_fcp.c
View File

@ -507,33 +507,6 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq,
f_ctl = FC_FC_REL_OFF;
WARN_ON(!seq);
/*
* If a get_page()/put_page() will fail, don't use sg lists
* in the fc_frame structure.
*
* The put_page() may be long after the I/O has completed
* in the case of FCoE, since the network driver does it
* via free_skb(). See the test in free_pages_check().
*
* Test this case with 'dd </dev/zero >/dev/st0 bs=64k'.
*/
if (using_sg) {
for (sg = scsi_sglist(sc); sg; sg = sg_next(sg)) {
if (page_count(sg_page(sg)) == 0 ||
(sg_page(sg)->flags & (1 << PG_lru |
1 << PG_private |
1 << PG_locked |
1 << PG_active |
1 << PG_slab |
1 << PG_swapcache |
1 << PG_writeback |
1 << PG_reserved |
1 << PG_buddy))) {
using_sg = 0;
break;
}
}
}
sg = scsi_sglist(sc);
while (remaining > 0 && sg) {
@ -569,8 +542,6 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq,
}
sg_bytes = min(tlen, sg->length - offset);
if (using_sg) {
WARN_ON(skb_shinfo(fp_skb(fp))->nr_frags >
FC_FRAME_SG_LEN);
get_page(sg_page(sg));
skb_fill_page_desc(fp_skb(fp),
skb_shinfo(fp_skb(fp))->nr_frags,
@ -1337,7 +1308,7 @@ static void fc_fcp_rec(struct fc_fcp_pkt *fsp)
fc_fill_fc_hdr(fp, FC_RCTL_ELS_REQ, rport->port_id,
fc_host_port_id(rp->local_port->host), FC_TYPE_ELS,
FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
if (lp->tt.elsct_send(lp, rport, fp, ELS_REC, fc_fcp_rec_resp,
if (lp->tt.elsct_send(lp, rport->port_id, fp, ELS_REC, fc_fcp_rec_resp,
fsp, jiffies_to_msecs(FC_SCSI_REC_TOV))) {
fc_fcp_pkt_hold(fsp); /* hold while REC outstanding */
return;

293
drivers/scsi/libfc/fc_lport.c
View File

@ -113,7 +113,7 @@ static void fc_lport_enter_ready(struct fc_lport *);
static void fc_lport_enter_logo(struct fc_lport *);
static const char *fc_lport_state_names[] = {
[LPORT_ST_NONE] = "none",
[LPORT_ST_DISABLED] = "disabled",
[LPORT_ST_FLOGI] = "FLOGI",
[LPORT_ST_DNS] = "dNS",
[LPORT_ST_RPN_ID] = "RPN_ID",
@ -133,57 +133,44 @@ static int fc_frame_drop(struct fc_lport *lport, struct fc_frame *fp)
/**
* fc_lport_rport_callback() - Event handler for rport events
* @lport: The lport which is receiving the event
* @rport: The rport which the event has occured on
* @rdata: private remote port data
* @event: The event that occured
*
* Locking Note: The rport lock should not be held when calling
* this function.
*/
static void fc_lport_rport_callback(struct fc_lport *lport,
struct fc_rport *rport,
struct fc_rport_priv *rdata,
enum fc_rport_event event)
{
FC_LPORT_DBG(lport, "Received a %d event for port (%6x)\n", event,
rport->port_id);
rdata->ids.port_id);
mutex_lock(&lport->lp_mutex);
switch (event) {
case RPORT_EV_CREATED:
if (rport->port_id == FC_FID_DIR_SERV) {
mutex_lock(&lport->lp_mutex);
if (lport->state == LPORT_ST_DNS) {
lport->dns_rp = rport;
fc_lport_enter_rpn_id(lport);
} else {
FC_LPORT_DBG(lport, "Received an CREATED event "
"on port (%6x) for the directory "
"server, but the lport is not "
"in the DNS state, it's in the "
"%d state", rport->port_id,
lport->state);
lport->tt.rport_logoff(rport);
}
mutex_unlock(&lport->lp_mutex);
} else
FC_LPORT_DBG(lport, "Received an event for port (%6x) "
"which is not the directory server\n",
rport->port_id);
case RPORT_EV_READY:
if (lport->state == LPORT_ST_DNS) {
lport->dns_rp = rdata;
fc_lport_enter_rpn_id(lport);
} else {
FC_LPORT_DBG(lport, "Received an READY event "
"on port (%6x) for the directory "
"server, but the lport is not "
"in the DNS state, it's in the "
"%d state", rdata->ids.port_id,
lport->state);
lport->tt.rport_logoff(rdata);
}
break;
case RPORT_EV_LOGO:
case RPORT_EV_FAILED:
case RPORT_EV_STOP:
if (rport->port_id == FC_FID_DIR_SERV) {
mutex_lock(&lport->lp_mutex);
lport->dns_rp = NULL;
mutex_unlock(&lport->lp_mutex);
} else
FC_LPORT_DBG(lport, "Received an event for port (%6x) "
"which is not the directory server\n",
rport->port_id);
lport->dns_rp = NULL;
break;
case RPORT_EV_NONE:
break;
}
mutex_unlock(&lport->lp_mutex);
}
/**
@ -211,20 +198,13 @@ static void fc_lport_ptp_setup(struct fc_lport *lport,
u32 remote_fid, u64 remote_wwpn,
u64 remote_wwnn)
{
struct fc_disc_port dp;
dp.lp = lport;
dp.ids.port_id = remote_fid;
dp.ids.port_name = remote_wwpn;
dp.ids.node_name = remote_wwnn;
dp.ids.roles = FC_RPORT_ROLE_UNKNOWN;
if (lport->ptp_rp) {
mutex_lock(&lport->disc.disc_mutex);
if (lport->ptp_rp)
lport->tt.rport_logoff(lport->ptp_rp);
lport->ptp_rp = NULL;
}
lport->ptp_rp = lport->tt.rport_create(&dp);
lport->ptp_rp = lport->tt.rport_create(lport, remote_fid);
lport->ptp_rp->ids.port_name = remote_wwpn;
lport->ptp_rp->ids.node_name = remote_wwnn;
mutex_unlock(&lport->disc.disc_mutex);
lport->tt.rport_login(lport->ptp_rp);
@ -471,56 +451,6 @@ static void fc_lport_recv_rnid_req(struct fc_seq *sp, struct fc_frame *in_fp,
fc_frame_free(in_fp);
}
/**
* fc_lport_recv_adisc_req() - Handle received Address Discovery Request
* @lport: Fibre Channel local port recieving the ADISC
* @sp: current sequence in the ADISC exchange
* @fp: ADISC request frame
*
* Locking Note: The lport lock is expected to be held before calling
* this function.
*/
static void fc_lport_recv_adisc_req(struct fc_seq *sp, struct fc_frame *in_fp,
struct fc_lport *lport)
{
struct fc_frame *fp;
struct fc_exch *ep = fc_seq_exch(sp);
struct fc_els_adisc *req, *rp;
struct fc_seq_els_data rjt_data;
size_t len;
u32 f_ctl;
FC_LPORT_DBG(lport, "Received ADISC request while in state %s\n",
fc_lport_state(lport));
req = fc_frame_payload_get(in_fp, sizeof(*req));
if (!req) {
rjt_data.fp = NULL;
rjt_data.reason = ELS_RJT_LOGIC;
rjt_data.explan = ELS_EXPL_NONE;
lport->tt.seq_els_rsp_send(sp, ELS_LS_RJT, &rjt_data);
} else {
len = sizeof(*rp);
fp = fc_frame_alloc(lport, len);
if (fp) {
rp = fc_frame_payload_get(fp, len);
memset(rp, 0, len);
rp->adisc_cmd = ELS_LS_ACC;
rp->adisc_wwpn = htonll(lport->wwpn);
rp->adisc_wwnn = htonll(lport->wwnn);
hton24(rp->adisc_port_id,
fc_host_port_id(lport->host));
sp = lport->tt.seq_start_next(sp);
f_ctl = FC_FC_EX_CTX | FC_FC_LAST_SEQ;
f_ctl |= FC_FC_END_SEQ | FC_FC_SEQ_INIT;
fc_fill_fc_hdr(fp, FC_RCTL_ELS_REP, ep->did, ep->sid,
FC_TYPE_ELS, f_ctl, 0);
lport->tt.seq_send(lport, sp, fp);
}
}
fc_frame_free(in_fp);
}
/**
* fc_lport_recv_logo_req() - Handle received fabric LOGO request
* @lport: Fibre Channel local port recieving the LOGO
@ -550,7 +480,7 @@ int fc_fabric_login(struct fc_lport *lport)
int rc = -1;
mutex_lock(&lport->lp_mutex);
if (lport->state == LPORT_ST_NONE) {
if (lport->state == LPORT_ST_DISABLED) {
fc_lport_enter_reset(lport);
rc = 0;
}
@ -637,12 +567,13 @@ EXPORT_SYMBOL(fc_fabric_logoff);
int fc_lport_destroy(struct fc_lport *lport)
{
mutex_lock(&lport->lp_mutex);
lport->state = LPORT_ST_NONE;
lport->state = LPORT_ST_DISABLED;
lport->link_up = 0;
lport->tt.frame_send = fc_frame_drop;
mutex_unlock(&lport->lp_mutex);
lport->tt.fcp_abort_io(lport);
lport->tt.disc_stop_final(lport);
lport->tt.exch_mgr_reset(lport, 0, 0);
return 0;
}
@ -722,7 +653,8 @@ static void fc_lport_enter_ready(struct fc_lport *lport)
fc_lport_state_enter(lport, LPORT_ST_READY);
lport->tt.disc_start(fc_lport_disc_callback, lport);
if (!lport->ptp_rp)
lport->tt.disc_start(fc_lport_disc_callback, lport);
}
/**
@ -808,8 +740,6 @@ static void fc_lport_recv_flogi_req(struct fc_seq *sp_in,
fc_lport_ptp_setup(lport, remote_fid, remote_wwpn,
get_unaligned_be64(&flp->fl_wwnn));
lport->tt.disc_start(fc_lport_disc_callback, lport);
out:
sp = fr_seq(rx_fp);
fc_frame_free(rx_fp);
@ -832,10 +762,6 @@ static void fc_lport_recv_req(struct fc_lport *lport, struct fc_seq *sp,
{
struct fc_frame_header *fh = fc_frame_header_get(fp);
void (*recv) (struct fc_seq *, struct fc_frame *, struct fc_lport *);
struct fc_rport *rport;
u32 s_id;
u32 d_id;
struct fc_seq_els_data rjt_data;
mutex_lock(&lport->lp_mutex);
@ -844,11 +770,14 @@ static void fc_lport_recv_req(struct fc_lport *lport, struct fc_seq *sp,
* RSCN here. These don't require a session.
* Even if we had a session, it might not be ready.
*/
if (fh->fh_type == FC_TYPE_ELS && fh->fh_r_ctl == FC_RCTL_ELS_REQ) {
if (!lport->link_up)
fc_frame_free(fp);
else if (fh->fh_type == FC_TYPE_ELS &&
fh->fh_r_ctl == FC_RCTL_ELS_REQ) {
/*
* Check opcode.
*/
recv = NULL;
recv = lport->tt.rport_recv_req;
switch (fc_frame_payload_op(fp)) {
case ELS_FLOGI:
recv = fc_lport_recv_flogi_req;
@ -870,34 +799,9 @@ static void fc_lport_recv_req(struct fc_lport *lport, struct fc_seq *sp,
case ELS_RNID:
recv = fc_lport_recv_rnid_req;
break;
case ELS_ADISC:
recv = fc_lport_recv_adisc_req;
break;
}
if (recv)
recv(sp, fp, lport);
else {
/*
* Find session.
* If this is a new incoming PLOGI, we won't find it.
*/
s_id = ntoh24(fh->fh_s_id);
d_id = ntoh24(fh->fh_d_id);
rport = lport->tt.rport_lookup(lport, s_id);
if (rport)
lport->tt.rport_recv_req(sp, fp, rport);
else {
rjt_data.fp = NULL;
rjt_data.reason = ELS_RJT_UNAB;
rjt_data.explan = ELS_EXPL_NONE;
lport->tt.seq_els_rsp_send(sp,
ELS_LS_RJT,
&rjt_data);
fc_frame_free(fp);
}
}
recv(sp, fp, lport);
} else {
FC_LPORT_DBG(lport, "dropping invalid frame (eof %x)\n",
fr_eof(fp));
@ -930,7 +834,28 @@ int fc_lport_reset(struct fc_lport *lport)
EXPORT_SYMBOL(fc_lport_reset);
/**
* fc_rport_enter_reset() - Reset the local port
* fc_lport_reset_locked() - Reset the local port
* @lport: Fibre Channel local port to be reset
*
* Locking Note: The lport lock is expected to be held before calling
* this routine.
*/
static void fc_lport_reset_locked(struct fc_lport *lport)
{
if (lport->dns_rp)
lport->tt.rport_logoff(lport->dns_rp);
lport->ptp_rp = NULL;
lport->tt.disc_stop(lport);
lport->tt.exch_mgr_reset(lport, 0, 0);
fc_host_fabric_name(lport->host) = 0;
fc_host_port_id(lport->host) = 0;
}
/**
* fc_lport_enter_reset() - Reset the local port
* @lport: Fibre Channel local port to be reset
*
* Locking Note: The lport lock is expected to be held before calling
@ -942,25 +867,27 @@ static void fc_lport_enter_reset(struct fc_lport *lport)
fc_lport_state(lport));
fc_lport_state_enter(lport, LPORT_ST_RESET);
if (lport->dns_rp)
lport->tt.rport_logoff(lport->dns_rp);
if (lport->ptp_rp) {
lport->tt.rport_logoff(lport->ptp_rp);
lport->ptp_rp = NULL;
}
lport->tt.disc_stop(lport);
lport->tt.exch_mgr_reset(lport, 0, 0);
fc_host_fabric_name(lport->host) = 0;
fc_host_port_id(lport->host) = 0;
fc_lport_reset_locked(lport);
if (lport->link_up)
fc_lport_enter_flogi(lport);
}
/**
* fc_lport_enter_disabled() - disable the local port
* @lport: Fibre Channel local port to be reset
*
* Locking Note: The lport lock is expected to be held before calling
* this routine.
*/
static void fc_lport_enter_disabled(struct fc_lport *lport)
{
FC_LPORT_DBG(lport, "Entered disabled state from %s state\n",
fc_lport_state(lport));
fc_lport_state_enter(lport, LPORT_ST_DISABLED);
fc_lport_reset_locked(lport);
}
/**
* fc_lport_error() - Handler for any errors
* @lport: The fc_lport object
@ -992,7 +919,7 @@ static void fc_lport_error(struct fc_lport *lport, struct fc_frame *fp)
schedule_delayed_work(&lport->retry_work, delay);
} else {
switch (lport->state) {
case LPORT_ST_NONE:
case LPORT_ST_DISABLED:
case LPORT_ST_READY:
case LPORT_ST_RESET:
case LPORT_ST_RPN_ID:
@ -1026,13 +953,13 @@ static void fc_lport_rft_id_resp(struct fc_seq *sp, struct fc_frame *fp,
struct fc_frame_header *fh;
struct fc_ct_hdr *ct;
FC_LPORT_DBG(lport, "Received a RFT_ID %s\n", fc_els_resp_type(fp));
if (fp == ERR_PTR(-FC_EX_CLOSED))
return;
mutex_lock(&lport->lp_mutex);
FC_LPORT_DBG(lport, "Received a RFT_ID response\n");
if (lport->state != LPORT_ST_RFT_ID) {
FC_LPORT_DBG(lport, "Received a RFT_ID response, but in state "
"%s\n", fc_lport_state(lport));
@ -1080,13 +1007,13 @@ static void fc_lport_rpn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
struct fc_frame_header *fh;
struct fc_ct_hdr *ct;
FC_LPORT_DBG(lport, "Received a RPN_ID %s\n", fc_els_resp_type(fp));
if (fp == ERR_PTR(-FC_EX_CLOSED))
return;
mutex_lock(&lport->lp_mutex);
FC_LPORT_DBG(lport, "Received a RPN_ID response\n");
if (lport->state != LPORT_ST_RPN_ID) {
FC_LPORT_DBG(lport, "Received a RPN_ID response, but in state "
"%s\n", fc_lport_state(lport));
@ -1132,13 +1059,13 @@ static void fc_lport_scr_resp(struct fc_seq *sp, struct fc_frame *fp,
struct fc_lport *lport = lp_arg;
u8 op;
FC_LPORT_DBG(lport, "Received a SCR %s\n", fc_els_resp_type(fp));
if (fp == ERR_PTR(-FC_EX_CLOSED))
return;
mutex_lock(&lport->lp_mutex);
FC_LPORT_DBG(lport, "Received a SCR response\n");
if (lport->state != LPORT_ST_SCR) {
FC_LPORT_DBG(lport, "Received a SCR response, but in state "
"%s\n", fc_lport_state(lport));
@ -1186,7 +1113,7 @@ static void fc_lport_enter_scr(struct fc_lport *lport)
return;
}
if (!lport->tt.elsct_send(lport, NULL, fp, ELS_SCR,
if (!lport->tt.elsct_send(lport, FC_FID_FCTRL, fp, ELS_SCR,
fc_lport_scr_resp, lport, lport->e_d_tov))
fc_lport_error(lport, fp);
}
@ -1227,7 +1154,7 @@ static void fc_lport_enter_rft_id(struct fc_lport *lport)
return;
}
if (!lport->tt.elsct_send(lport, NULL, fp, FC_NS_RFT_ID,
if (!lport->tt.elsct_send(lport, FC_FID_DIR_SERV, fp, FC_NS_RFT_ID,
fc_lport_rft_id_resp,
lport, lport->e_d_tov))
fc_lport_error(lport, fp);
@ -1256,7 +1183,7 @@ static void fc_lport_enter_rpn_id(struct fc_lport *lport)
return;
}
if (!lport->tt.elsct_send(lport, NULL, fp, FC_NS_RPN_ID,
if (!lport->tt.elsct_send(lport, FC_FID_DIR_SERV, fp, FC_NS_RPN_ID,
fc_lport_rpn_id_resp,
lport, lport->e_d_tov))
fc_lport_error(lport, fp);
@ -1275,28 +1202,21 @@ static struct fc_rport_operations fc_lport_rport_ops = {
*/
static void fc_lport_enter_dns(struct fc_lport *lport)
{
struct fc_rport *rport;
struct fc_rport_libfc_priv *rdata;
struct fc_disc_port dp;
dp.ids.port_id = FC_FID_DIR_SERV;
dp.ids.port_name = -1;
dp.ids.node_name = -1;
dp.ids.roles = FC_RPORT_ROLE_UNKNOWN;
dp.lp = lport;
struct fc_rport_priv *rdata;
FC_LPORT_DBG(lport, "Entered DNS state from %s state\n",
fc_lport_state(lport));
fc_lport_state_enter(lport, LPORT_ST_DNS);
rport = lport->tt.rport_create(&dp);
if (!rport)
mutex_lock(&lport->disc.disc_mutex);
rdata = lport->tt.rport_create(lport, FC_FID_DIR_SERV);
mutex_unlock(&lport->disc.disc_mutex);
if (!rdata)
goto err;
rdata = rport->dd_data;
rdata->ops = &fc_lport_rport_ops;
lport->tt.rport_login(rport);
lport->tt.rport_login(rdata);
return;
err:
@ -1316,7 +1236,7 @@ static void fc_lport_timeout(struct work_struct *work)
mutex_lock(&lport->lp_mutex);
switch (lport->state) {
case LPORT_ST_NONE:
case LPORT_ST_DISABLED:
case LPORT_ST_READY:
case LPORT_ST_RESET:
WARN_ON(1);
@ -1360,13 +1280,13 @@ static void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp,
struct fc_lport *lport = lp_arg;
u8 op;
FC_LPORT_DBG(lport, "Received a LOGO %s\n", fc_els_resp_type(fp));
if (fp == ERR_PTR(-FC_EX_CLOSED))
return;
mutex_lock(&lport->lp_mutex);
FC_LPORT_DBG(lport, "Received a LOGO response\n");
if (lport->state != LPORT_ST_LOGO) {
FC_LPORT_DBG(lport, "Received a LOGO response, but in state "
"%s\n", fc_lport_state(lport));
@ -1382,7 +1302,7 @@ static void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp,
op = fc_frame_payload_op(fp);
if (op == ELS_LS_ACC)
fc_lport_enter_reset(lport);
fc_lport_enter_disabled(lport);
else
fc_lport_error(lport, fp);
@ -1415,8 +1335,8 @@ static void fc_lport_enter_logo(struct fc_lport *lport)
return;
}
if (!lport->tt.elsct_send(lport, NULL, fp, ELS_LOGO, fc_lport_logo_resp,
lport, lport->e_d_tov))
if (!lport->tt.elsct_send(lport, FC_FID_FLOGI, fp, ELS_LOGO,
fc_lport_logo_resp, lport, lport->e_d_tov))
fc_lport_error(lport, fp);
}
@ -1442,13 +1362,13 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
unsigned int e_d_tov;
u16 mfs;
FC_LPORT_DBG(lport, "Received a FLOGI %s\n", fc_els_resp_type(fp));
if (fp == ERR_PTR(-FC_EX_CLOSED))
return;
mutex_lock(&lport->lp_mutex);
FC_LPORT_DBG(lport, "Received a FLOGI response\n");
if (lport->state != LPORT_ST_FLOGI) {
FC_LPORT_DBG(lport, "Received a FLOGI response, but in state "
"%s\n", fc_lport_state(lport));
@ -1501,14 +1421,6 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
fc_lport_enter_dns(lport);
}
}
if (flp) {
csp_flags = ntohs(flp->fl_csp.sp_features);
if ((csp_flags & FC_SP_FT_FPORT) == 0) {
lport->tt.disc_start(fc_lport_disc_callback,
lport);
}
}
} else {
FC_LPORT_DBG(lport, "Bad FLOGI response\n");
}
@ -1539,7 +1451,7 @@ void fc_lport_enter_flogi(struct fc_lport *lport)
if (!fp)
return fc_lport_error(lport, fp);
if (!lport->tt.elsct_send(lport, NULL, fp, ELS_FLOGI,
if (!lport->tt.elsct_send(lport, FC_FID_FLOGI, fp, ELS_FLOGI,
fc_lport_flogi_resp, lport, lport->e_d_tov))
fc_lport_error(lport, fp);
}
@ -1550,7 +1462,7 @@ int fc_lport_config(struct fc_lport *lport)
INIT_DELAYED_WORK(&lport->retry_work, fc_lport_timeout);
mutex_init(&lport->lp_mutex);
fc_lport_state_enter(lport, LPORT_ST_NONE);
fc_lport_state_enter(lport, LPORT_ST_DISABLED);
fc_lport_add_fc4_type(lport, FC_TYPE_FCP);
fc_lport_add_fc4_type(lport, FC_TYPE_CT);
@ -1588,6 +1500,7 @@ int fc_lport_init(struct fc_lport *lport)
if (lport->link_supported_speeds & FC_PORTSPEED_10GBIT)
fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_10GBIT;
INIT_LIST_HEAD(&lport->ema_list);
return 0;
}
EXPORT_SYMBOL(fc_lport_init);

1156
drivers/scsi/libfc/fc_rport.c
View File

File diff suppressed because it is too large Load Diff

205
drivers/scsi/libiscsi.c
View File

@ -109,12 +109,9 @@ inline void iscsi_conn_queue_work(struct iscsi_conn *conn)
}
EXPORT_SYMBOL_GPL(iscsi_conn_queue_work);
void
iscsi_update_cmdsn(struct iscsi_session *session, struct iscsi_nopin *hdr)
static void __iscsi_update_cmdsn(struct iscsi_session *session,
uint32_t exp_cmdsn, uint32_t max_cmdsn)
{
uint32_t max_cmdsn = be32_to_cpu(hdr->max_cmdsn);
uint32_t exp_cmdsn = be32_to_cpu(hdr->exp_cmdsn);
/*
* standard specifies this check for when to update expected and
* max sequence numbers
@ -138,6 +135,12 @@ iscsi_update_cmdsn(struct iscsi_session *session, struct iscsi_nopin *hdr)
iscsi_conn_queue_work(session->leadconn);
}
}
void iscsi_update_cmdsn(struct iscsi_session *session, struct iscsi_nopin *hdr)
{
__iscsi_update_cmdsn(session, be32_to_cpu(hdr->exp_cmdsn),
be32_to_cpu(hdr->max_cmdsn));
}
EXPORT_SYMBOL_GPL(iscsi_update_cmdsn);
/**
@ -301,8 +304,6 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task)
hdr->flags = ISCSI_ATTR_SIMPLE;
int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun);
memcpy(task->lun, hdr->lun, sizeof(task->lun));
hdr->cmdsn = task->cmdsn = cpu_to_be32(session->cmdsn);
session->cmdsn++;
hdr->exp_statsn = cpu_to_be32(conn->exp_statsn);
cmd_len = sc->cmd_len;
if (cmd_len < ISCSI_CDB_SIZE)
@ -388,6 +389,8 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task)
return -EIO;
task->state = ISCSI_TASK_RUNNING;
hdr->cmdsn = task->cmdsn = cpu_to_be32(session->cmdsn);
session->cmdsn++;
conn->scsicmd_pdus_cnt++;
ISCSI_DBG_SESSION(session, "iscsi prep [%s cid %d sc %p cdb 0x%x "
@ -499,6 +502,31 @@ static void iscsi_complete_task(struct iscsi_task *task, int state)
__iscsi_put_task(task);
}
/**
* iscsi_complete_scsi_task - finish scsi task normally
* @task: iscsi task for scsi cmd
* @exp_cmdsn: expected cmd sn in cpu format
* @max_cmdsn: max cmd sn in cpu format
*
* This is used when drivers do not need or cannot perform
* lower level pdu processing.
*
* Called with session lock
*/
void iscsi_complete_scsi_task(struct iscsi_task *task,
uint32_t exp_cmdsn, uint32_t max_cmdsn)
{
struct iscsi_conn *conn = task->conn;
ISCSI_DBG_SESSION(conn->session, "[itt 0x%x]\n", task->itt);
conn->last_recv = jiffies;
__iscsi_update_cmdsn(conn->session, exp_cmdsn, max_cmdsn);
iscsi_complete_task(task, ISCSI_TASK_COMPLETED);
}
EXPORT_SYMBOL_GPL(iscsi_complete_scsi_task);
/*
* session lock must be held and if not called for a task that is
* still pending or from the xmit thread, then xmit thread must
@ -857,27 +885,102 @@ static void iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr)
}
}
static int iscsi_nop_out_rsp(struct iscsi_task *task,
struct iscsi_nopin *nop, char *data, int datalen)
{
struct iscsi_conn *conn = task->conn;
int rc = 0;
if (conn->ping_task != task) {
/*
* If this is not in response to one of our
* nops then it must be from userspace.
*/
if (iscsi_recv_pdu(conn->cls_conn, (struct iscsi_hdr *)nop,
data, datalen))
rc = ISCSI_ERR_CONN_FAILED;
} else
mod_timer(&conn->transport_timer, jiffies + conn->recv_timeout);
iscsi_complete_task(task, ISCSI_TASK_COMPLETED);
return rc;
}
static int iscsi_handle_reject(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
char *data, int datalen)
{
struct iscsi_reject *reject = (struct iscsi_reject *)hdr;
struct iscsi_hdr rejected_pdu;
int opcode, rc = 0;
conn->exp_statsn = be32_to_cpu(reject->statsn) + 1;
if (reject->reason == ISCSI_REASON_DATA_DIGEST_ERROR) {
if (ntoh24(reject->dlength) > datalen)
return ISCSI_ERR_PROTO;
if (ntoh24(reject->dlength) >= sizeof(struct iscsi_hdr)) {
memcpy(&rejected_pdu, data, sizeof(struct iscsi_hdr));
iscsi_conn_printk(KERN_ERR, conn,
"pdu (op 0x%x) rejected "
"due to DataDigest error.\n",
rejected_pdu.opcode);
}
if (ntoh24(reject->dlength) > datalen ||
ntoh24(reject->dlength) < sizeof(struct iscsi_hdr)) {
iscsi_conn_printk(KERN_ERR, conn, "Cannot handle rejected "
"pdu. Invalid data length (pdu dlength "
"%u, datalen %d\n", ntoh24(reject->dlength),
datalen);
return ISCSI_ERR_PROTO;
}
return 0;
memcpy(&rejected_pdu, data, sizeof(struct iscsi_hdr));
opcode = rejected_pdu.opcode & ISCSI_OPCODE_MASK;
switch (reject->reason) {
case ISCSI_REASON_DATA_DIGEST_ERROR:
iscsi_conn_printk(KERN_ERR, conn,
"pdu (op 0x%x itt 0x%x) rejected "
"due to DataDigest error.\n",
rejected_pdu.itt, opcode);
break;
case ISCSI_REASON_IMM_CMD_REJECT:
iscsi_conn_printk(KERN_ERR, conn,
"pdu (op 0x%x itt 0x%x) rejected. Too many "
"immediate commands.\n",
rejected_pdu.itt, opcode);
/*
* We only send one TMF at a time so if the target could not
* handle it, then it should get fixed (RFC mandates that
* a target can handle one immediate TMF per conn).
*
* For nops-outs, we could have sent more than one if
* the target is sending us lots of nop-ins
*/
if (opcode != ISCSI_OP_NOOP_OUT)
return 0;
if (rejected_pdu.itt == cpu_to_be32(ISCSI_RESERVED_TAG))
/*
* nop-out in response to target's nop-out rejected.
* Just resend.
*/
iscsi_send_nopout(conn,
(struct iscsi_nopin*)&rejected_pdu);
else {
struct iscsi_task *task;
/*
* Our nop as ping got dropped. We know the target
* and transport are ok so just clean up
*/
task = iscsi_itt_to_task(conn, rejected_pdu.itt);
if (!task) {
iscsi_conn_printk(KERN_ERR, conn,
"Invalid pdu reject. Could "
"not lookup rejected task.\n");
rc = ISCSI_ERR_BAD_ITT;
} else
rc = iscsi_nop_out_rsp(task,
(struct iscsi_nopin*)&rejected_pdu,
NULL, 0);
}
break;
default:
iscsi_conn_printk(KERN_ERR, conn,
"pdu (op 0x%x itt 0x%x) rejected. Reason "
"code 0x%x\n", rejected_pdu.itt,
rejected_pdu.opcode, reject->reason);
break;
}
return rc;
}
/**
@ -1038,15 +1141,8 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
}
conn->exp_statsn = be32_to_cpu(hdr->statsn) + 1;
if (conn->ping_task != task)
/*
* If this is not in response to one of our
* nops then it must be from userspace.
*/
goto recv_pdu;
mod_timer(&conn->transport_timer, jiffies + conn->recv_timeout);
iscsi_complete_task(task, ISCSI_TASK_COMPLETED);
rc = iscsi_nop_out_rsp(task, (struct iscsi_nopin*)hdr,
data, datalen);
break;
default:
rc = ISCSI_ERR_BAD_OPCODE;
@ -1212,6 +1308,9 @@ static int iscsi_xmit_task(struct iscsi_conn *conn)
struct iscsi_task *task = conn->task;
int rc;
if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx))
return -ENODATA;
__iscsi_get_task(task);
spin_unlock_bh(&conn->session->lock);
rc = conn->session->tt->xmit_task(task);
@ -1261,7 +1360,7 @@ static int iscsi_data_xmit(struct iscsi_conn *conn)
int rc = 0;
spin_lock_bh(&conn->session->lock);
if (unlikely(conn->suspend_tx)) {
if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
ISCSI_DBG_SESSION(conn->session, "Tx suspended!\n");
spin_unlock_bh(&conn->session->lock);
return -ENODATA;
@ -1270,7 +1369,7 @@ static int iscsi_data_xmit(struct iscsi_conn *conn)
if (conn->task) {
rc = iscsi_xmit_task(conn);
if (rc)
goto again;
goto done;
}
/*
@ -1290,7 +1389,7 @@ check_mgmt:
}
rc = iscsi_xmit_task(conn);
if (rc)
goto again;
goto done;
}
/* process pending command queue */
@ -1311,14 +1410,14 @@ check_mgmt:
list_add_tail(&conn->task->running,
&conn->cmdqueue);
conn->task = NULL;
goto again;
goto done;
} else
fail_scsi_task(conn->task, DID_ABORT);
continue;
}
rc = iscsi_xmit_task(conn);
if (rc)
goto again;
goto done;
/*
* we could continuously get new task requests so
* we need to check the mgmt queue for nops that need to
@ -1344,16 +1443,14 @@ check_mgmt:
conn->task->state = ISCSI_TASK_RUNNING;
rc = iscsi_xmit_task(conn);
if (rc)
goto again;
goto done;
if (!list_empty(&conn->mgmtqueue))
goto check_mgmt;
}
spin_unlock_bh(&conn->session->lock);
return -ENODATA;
again:
if (unlikely(conn->suspend_tx))
rc = -ENODATA;
done:
spin_unlock_bh(&conn->session->lock);
return rc;
}
@ -1474,6 +1571,12 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
goto fault;
}
if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
reason = FAILURE_SESSION_IN_RECOVERY;
sc->result = DID_REQUEUE;
goto fault;
}
if (iscsi_check_cmdsn_window_closed(conn)) {
reason = FAILURE_WINDOW_CLOSED;
goto reject;
@ -1497,6 +1600,7 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
}
}
if (session->tt->xmit_task(task)) {
session->cmdsn--;
reason = FAILURE_SESSION_NOT_READY;
goto prepd_reject;
}
@ -1712,6 +1816,33 @@ static void fail_scsi_tasks(struct iscsi_conn *conn, unsigned lun,
}
}
/**
* iscsi_suspend_queue - suspend iscsi_queuecommand
* @conn: iscsi conn to stop queueing IO on
*
* This grabs the session lock to make sure no one is in
* xmit_task/queuecommand, and then sets suspend to prevent
* new commands from being queued. This only needs to be called
* by offload drivers that need to sync a path like ep disconnect
* with the iscsi_queuecommand/xmit_task. To start IO again libiscsi
* will call iscsi_start_tx and iscsi_unblock_session when in FFP.
*/
void iscsi_suspend_queue(struct iscsi_conn *conn)
{
spin_lock_bh(&conn->session->lock);
set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
spin_unlock_bh(&conn->session->lock);
}
EXPORT_SYMBOL_GPL(iscsi_suspend_queue);
/**
* iscsi_suspend_tx - suspend iscsi_data_xmit
* @conn: iscsi conn tp stop processing IO on.
*
* This function sets the suspend bit to prevent iscsi_data_xmit
* from sending new IO, and if work is queued on the xmit thread
* it will wait for it to be completed.
*/
void iscsi_suspend_tx(struct iscsi_conn *conn)
{
struct Scsi_Host *shost = conn->session->host;

1
drivers/scsi/libsrp.c
View File

@ -124,6 +124,7 @@ static void srp_ring_free(struct device *dev, struct srp_buf **ring, size_t max,
dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma);
kfree(ring[i]);
}
kfree(ring);
}
int srp_target_alloc(struct srp_target *target, struct device *dev,

2
drivers/scsi/lpfc/Makefile
View File

@ -28,4 +28,4 @@ obj-$(CONFIG_SCSI_LPFC) := lpfc.o
lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o \
lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o \
lpfc_vport.o lpfc_debugfs.o
lpfc_vport.o lpfc_debugfs.o lpfc_bsg.o

19
drivers/scsi/lpfc/lpfc.h
View File

@ -312,6 +312,7 @@ struct lpfc_vport {
#define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
#define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
#define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
#define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
uint32_t ct_flags;
#define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
@ -440,6 +441,12 @@ enum intr_type_t {
MSIX,
};
struct unsol_rcv_ct_ctx {
uint32_t ctxt_id;
uint32_t SID;
uint32_t oxid;
};
struct lpfc_hba {
/* SCSI interface function jump table entries */
int (*lpfc_new_scsi_buf)
@ -525,6 +532,8 @@ struct lpfc_hba {
#define FCP_XRI_ABORT_EVENT 0x20
#define ELS_XRI_ABORT_EVENT 0x40
#define ASYNC_EVENT 0x80
#define LINK_DISABLED 0x100 /* Link disabled by user */
#define FCF_DISC_INPROGRESS 0x200 /* FCF discovery in progress */
struct lpfc_dmabuf slim2p;
MAILBOX_t *mbox;
@ -616,6 +625,8 @@ struct lpfc_hba {
uint32_t hbq_count; /* Count of configured HBQs */
struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
uint32_t fcp_qidx; /* next work queue to post work to */
unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
unsigned long pci_bar1_map; /* Physical address for PCI BAR1 */
unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
@ -682,6 +693,7 @@ struct lpfc_hba {
struct pci_pool *lpfc_mbuf_pool;
struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */
struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */
struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
struct lpfc_dma_pool lpfc_mbuf_safety_pool;
mempool_t *mbox_mem_pool;
@ -763,11 +775,18 @@ struct lpfc_hba {
/* Maximum number of events that can be outstanding at any time*/
#define LPFC_MAX_EVT_COUNT 512
atomic_t fast_event_count;
uint32_t fcoe_eventtag;
uint32_t fcoe_eventtag_at_fcf_scan;
struct lpfc_fcf fcf;
uint8_t fc_map[3];
uint8_t valid_vlan;
uint16_t vlan_id;
struct list_head fcf_conn_rec_list;
struct mutex ct_event_mutex; /* synchronize access to ct_ev_waiters */
struct list_head ct_ev_waiters;
struct unsol_rcv_ct_ctx ct_ctx[64];
uint32_t ctx_idx;
};
static inline struct Scsi_Host *

10
drivers/scsi/lpfc/lpfc_attr.c
View File

@ -394,7 +394,12 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
case LPFC_INIT_MBX_CMDS:
case LPFC_LINK_DOWN:
case LPFC_HBA_ERROR:
len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
if (phba->hba_flag & LINK_DISABLED)
len += snprintf(buf + len, PAGE_SIZE-len,
"Link Down - User disabled\n");
else
len += snprintf(buf + len, PAGE_SIZE-len,
"Link Down\n");
break;
case LPFC_LINK_UP:
case LPFC_CLEAR_LA:
@ -4127,6 +4132,9 @@ struct fc_function_template lpfc_transport_functions = {
.vport_disable = lpfc_vport_disable,
.set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
.bsg_request = lpfc_bsg_request,
.bsg_timeout = lpfc_bsg_timeout,
};
struct fc_function_template lpfc_vport_transport_functions = {

904
drivers/scsi/lpfc/lpfc_bsg.c Normal file
View File

@ -0,0 +1,904 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2009 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of version 2 of the GNU General *
* Public License as published by the Free Software Foundation. *
* This program is distributed in the hope that it will be useful. *
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
* TO BE LEGALLY INVALID. See the GNU General Public License for *
* more details, a copy of which can be found in the file COPYING *
* included with this package. *
*******************************************************************/
#include <linux/interrupt.h>
#include <linux/mempool.h>
#include <linux/pci.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/scsi_bsg_fc.h>
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
#include "lpfc_sli4.h"
#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_vport.h"
#include "lpfc_version.h"
/**
* lpfc_bsg_rport_ct - send a CT command from a bsg request
* @job: fc_bsg_job to handle
*/
static int
lpfc_bsg_rport_ct(struct fc_bsg_job *job)
{
struct Scsi_Host *shost = job->shost;
struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
struct lpfc_hba *phba = vport->phba;
struct lpfc_rport_data *rdata = job->rport->dd_data;
struct lpfc_nodelist *ndlp = rdata->pnode;
struct ulp_bde64 *bpl = NULL;
uint32_t timeout;
struct lpfc_iocbq *cmdiocbq = NULL;
struct lpfc_iocbq *rspiocbq = NULL;
IOCB_t *cmd;
IOCB_t *rsp;
struct lpfc_dmabuf *bmp = NULL;
int request_nseg;
int reply_nseg;
struct scatterlist *sgel = NULL;
int numbde;
dma_addr_t busaddr;
int rc = 0;
/* in case no data is transferred */
job->reply->reply_payload_rcv_len = 0;
if (!lpfc_nlp_get(ndlp)) {
job->reply->result = -ENODEV;
return 0;
}
if (ndlp->nlp_flag & NLP_ELS_SND_MASK) {
rc = -ENODEV;
goto free_ndlp_exit;
}
spin_lock_irq(shost->host_lock);
cmdiocbq = lpfc_sli_get_iocbq(phba);
if (!cmdiocbq) {
rc = -ENOMEM;
spin_unlock_irq(shost->host_lock);
goto free_ndlp_exit;
}
cmd = &cmdiocbq->iocb;
rspiocbq = lpfc_sli_get_iocbq(phba);
if (!rspiocbq) {
rc = -ENOMEM;
goto free_cmdiocbq;
}
spin_unlock_irq(shost->host_lock);
rsp = &rspiocbq->iocb;
bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
if (!bmp) {
rc = -ENOMEM;
spin_lock_irq(shost->host_lock);
goto free_rspiocbq;
}
spin_lock_irq(shost->host_lock);
bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
if (!bmp->virt) {
rc = -ENOMEM;
goto free_bmp;
}
spin_unlock_irq(shost->host_lock);
INIT_LIST_HEAD(&bmp->list);
bpl = (struct ulp_bde64 *) bmp->virt;
request_nseg = pci_map_sg(phba->pcidev, job->request_payload.sg_list,
job->request_payload.sg_cnt, DMA_TO_DEVICE);
for_each_sg(job->request_payload.sg_list, sgel, request_nseg, numbde) {
busaddr = sg_dma_address(sgel);
bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
bpl->tus.f.bdeSize = sg_dma_len(sgel);
bpl->tus.w = cpu_to_le32(bpl->tus.w);
bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
bpl++;
}
reply_nseg = pci_map_sg(phba->pcidev, job->reply_payload.sg_list,
job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
for_each_sg(job->reply_payload.sg_list, sgel, reply_nseg, numbde) {
busaddr = sg_dma_address(sgel);
bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
bpl->tus.f.bdeSize = sg_dma_len(sgel);
bpl->tus.w = cpu_to_le32(bpl->tus.w);
bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
bpl++;
}
cmd->un.genreq64.bdl.ulpIoTag32 = 0;
cmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
cmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
cmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
cmd->un.genreq64.bdl.bdeSize =
(request_nseg + reply_nseg) * sizeof(struct ulp_bde64);
cmd->ulpCommand = CMD_GEN_REQUEST64_CR;
cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
cmd->un.genreq64.w5.hcsw.Dfctl = 0;
cmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
cmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
cmd->ulpBdeCount = 1;
cmd->ulpLe = 1;
cmd->ulpClass = CLASS3;
cmd->ulpContext = ndlp->nlp_rpi;
cmd->ulpOwner = OWN_CHIP;
cmdiocbq->vport = phba->pport;
cmdiocbq->context1 = NULL;
cmdiocbq->context2 = NULL;
cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
timeout = phba->fc_ratov * 2;
job->dd_data = cmdiocbq;
rc = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, rspiocbq,
timeout + LPFC_DRVR_TIMEOUT);
if (rc != IOCB_TIMEDOUT) {
pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
job->request_payload.sg_cnt, DMA_TO_DEVICE);
pci_unmap_sg(phba->pcidev, job->reply_payload.sg_list,
job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
}
if (rc == IOCB_TIMEDOUT) {
lpfc_sli_release_iocbq(phba, rspiocbq);
rc = -EACCES;
goto free_ndlp_exit;
}
if (rc != IOCB_SUCCESS) {
rc = -EACCES;
goto free_outdmp;
}
if (rsp->ulpStatus) {
if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
switch (rsp->un.ulpWord[4] & 0xff) {
case IOERR_SEQUENCE_TIMEOUT:
rc = -ETIMEDOUT;
break;
case IOERR_INVALID_RPI:
rc = -EFAULT;
break;
default:
rc = -EACCES;
break;
}
goto free_outdmp;
}
} else
job->reply->reply_payload_rcv_len =
rsp->un.genreq64.bdl.bdeSize;
free_outdmp:
spin_lock_irq(shost->host_lock);
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
free_bmp:
kfree(bmp);
free_rspiocbq:
lpfc_sli_release_iocbq(phba, rspiocbq);
free_cmdiocbq:
lpfc_sli_release_iocbq(phba, cmdiocbq);
spin_unlock_irq(shost->host_lock);
free_ndlp_exit:
lpfc_nlp_put(ndlp);
/* make error code available to userspace */
job->reply->result = rc;
/* complete the job back to userspace */
job->job_done(job);
return 0;
}
/**
* lpfc_bsg_rport_els - send an ELS command from a bsg request
* @job: fc_bsg_job to handle
*/
static int
lpfc_bsg_rport_els(struct fc_bsg_job *job)
{
struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
struct lpfc_hba *phba = vport->phba;
struct lpfc_rport_data *rdata = job->rport->dd_data;
struct lpfc_nodelist *ndlp = rdata->pnode;
uint32_t elscmd;
uint32_t cmdsize;
uint32_t rspsize;
struct lpfc_iocbq *rspiocbq;
struct lpfc_iocbq *cmdiocbq;
IOCB_t *rsp;
uint16_t rpi = 0;
struct lpfc_dmabuf *pcmd;
struct lpfc_dmabuf *prsp;
struct lpfc_dmabuf *pbuflist = NULL;
struct ulp_bde64 *bpl;
int iocb_status;
int request_nseg;
int reply_nseg;
struct scatterlist *sgel = NULL;
int numbde;
dma_addr_t busaddr;
int rc = 0;
/* in case no data is transferred */
job->reply->reply_payload_rcv_len = 0;
if (!lpfc_nlp_get(ndlp)) {
rc = -ENODEV;
goto out;
}
elscmd = job->request->rqst_data.r_els.els_code;
cmdsize = job->request_payload.payload_len;
rspsize = job->reply_payload.payload_len;
rspiocbq = lpfc_sli_get_iocbq(phba);
if (!rspiocbq) {
lpfc_nlp_put(ndlp);
rc = -ENOMEM;
goto out;
}
rsp = &rspiocbq->iocb;
rpi = ndlp->nlp_rpi;
cmdiocbq = lpfc_prep_els_iocb(phba->pport, 1, cmdsize, 0, ndlp,
ndlp->nlp_DID, elscmd);
if (!cmdiocbq) {
lpfc_sli_release_iocbq(phba, rspiocbq);
return -EIO;
}
job->dd_data = cmdiocbq;
pcmd = (struct lpfc_dmabuf *) cmdiocbq->context2;
prsp = (struct lpfc_dmabuf *) pcmd->list.next;
lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
kfree(pcmd);
lpfc_mbuf_free(phba, prsp->virt, prsp->phys);
kfree(prsp);
cmdiocbq->context2 = NULL;
pbuflist = (struct lpfc_dmabuf *) cmdiocbq->context3;
bpl = (struct ulp_bde64 *) pbuflist->virt;
request_nseg = pci_map_sg(phba->pcidev, job->request_payload.sg_list,
job->request_payload.sg_cnt, DMA_TO_DEVICE);
for_each_sg(job->request_payload.sg_list, sgel, request_nseg, numbde) {
busaddr = sg_dma_address(sgel);
bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
bpl->tus.f.bdeSize = sg_dma_len(sgel);
bpl->tus.w = cpu_to_le32(bpl->tus.w);
bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
bpl++;
}
reply_nseg = pci_map_sg(phba->pcidev, job->reply_payload.sg_list,
job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
for_each_sg(job->reply_payload.sg_list, sgel, reply_nseg, numbde) {
busaddr = sg_dma_address(sgel);
bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
bpl->tus.f.bdeSize = sg_dma_len(sgel);
bpl->tus.w = cpu_to_le32(bpl->tus.w);
bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
bpl++;
}
cmdiocbq->iocb.un.elsreq64.bdl.bdeSize =
(request_nseg + reply_nseg) * sizeof(struct ulp_bde64);
cmdiocbq->iocb.ulpContext = rpi;
cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
cmdiocbq->context1 = NULL;
cmdiocbq->context2 = NULL;
iocb_status = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq,
rspiocbq, (phba->fc_ratov * 2)
+ LPFC_DRVR_TIMEOUT);
/* release the new ndlp once the iocb completes */
lpfc_nlp_put(ndlp);
if (iocb_status != IOCB_TIMEDOUT) {
pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
job->request_payload.sg_cnt, DMA_TO_DEVICE);
pci_unmap_sg(phba->pcidev, job->reply_payload.sg_list,
job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
}
if (iocb_status == IOCB_SUCCESS) {
if (rsp->ulpStatus == IOSTAT_SUCCESS) {
job->reply->reply_payload_rcv_len =
rsp->un.elsreq64.bdl.bdeSize;
rc = 0;
} else if (rsp->ulpStatus == IOSTAT_LS_RJT) {
struct fc_bsg_ctels_reply *els_reply;
/* LS_RJT data returned in word 4 */
uint8_t *rjt_data = (uint8_t *)&rsp->un.ulpWord[4];
els_reply = &job->reply->reply_data.ctels_reply;
job->reply->result = 0;
els_reply->status = FC_CTELS_STATUS_REJECT;
els_reply->rjt_data.action = rjt_data[0];
els_reply->rjt_data.reason_code = rjt_data[1];
els_reply->rjt_data.reason_explanation = rjt_data[2];
els_reply->rjt_data.vendor_unique = rjt_data[3];
} else
rc = -EIO;
} else
rc = -EIO;
if (iocb_status != IOCB_TIMEDOUT)
lpfc_els_free_iocb(phba, cmdiocbq);
lpfc_sli_release_iocbq(phba, rspiocbq);
out:
/* make error code available to userspace */
job->reply->result = rc;
/* complete the job back to userspace */
job->job_done(job);
return 0;
}
struct lpfc_ct_event {
struct list_head node;
int ref;
wait_queue_head_t wq;
/* Event type and waiter identifiers */
uint32_t type_mask;
uint32_t req_id;
uint32_t reg_id;
/* next two flags are here for the auto-delete logic */
unsigned long wait_time_stamp;
int waiting;
/* seen and not seen events */
struct list_head events_to_get;
struct list_head events_to_see;
};
struct event_data {
struct list_head node;
uint32_t type;
uint32_t immed_dat;
void *data;
uint32_t len;
};
static struct lpfc_ct_event *
lpfc_ct_event_new(int ev_reg_id, uint32_t ev_req_id)
{
struct lpfc_ct_event *evt = kzalloc(sizeof(*evt), GFP_KERNEL);
if (!evt)
return NULL;
INIT_LIST_HEAD(&evt->events_to_get);
INIT_LIST_HEAD(&evt->events_to_see);
evt->req_id = ev_req_id;
evt->reg_id = ev_reg_id;
evt->wait_time_stamp = jiffies;
init_waitqueue_head(&evt->wq);
return evt;
}
static void
lpfc_ct_event_free(struct lpfc_ct_event *evt)
{
struct event_data *ed;
list_del(&evt->node);
while (!list_empty(&evt->events_to_get)) {
ed = list_entry(evt->events_to_get.next, typeof(*ed), node);
list_del(&ed->node);
kfree(ed->data);
kfree(ed);
}
while (!list_empty(&evt->events_to_see)) {
ed = list_entry(evt->events_to_see.next, typeof(*ed), node);
list_del(&ed->node);
kfree(ed->data);
kfree(ed);
}
kfree(evt);
}
static inline void
lpfc_ct_event_ref(struct lpfc_ct_event *evt)
{
evt->ref++;
}
static inline void
lpfc_ct_event_unref(struct lpfc_ct_event *evt)
{
if (--evt->ref < 0)
lpfc_ct_event_free(evt);
}
#define SLI_CT_ELX_LOOPBACK 0x10
enum ELX_LOOPBACK_CMD {
ELX_LOOPBACK_XRI_SETUP,
ELX_LOOPBACK_DATA,
};
/**
* lpfc_bsg_ct_unsol_event - process an unsolicited CT command
* @phba:
* @pring:
* @piocbq:
*
* This function is called when an unsolicited CT command is received. It
* forwards the event to any processes registerd to receive CT events.
*/
void
lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct lpfc_iocbq *piocbq)
{
uint32_t evt_req_id = 0;
uint32_t cmd;
uint32_t len;
struct lpfc_dmabuf *dmabuf = NULL;
struct lpfc_ct_event *evt;
struct event_data *evt_dat = NULL;
struct lpfc_iocbq *iocbq;
size_t offset = 0;
struct list_head head;
struct ulp_bde64 *bde;
dma_addr_t dma_addr;
int i;
struct lpfc_dmabuf *bdeBuf1 = piocbq->context2;
struct lpfc_dmabuf *bdeBuf2 = piocbq->context3;
struct lpfc_hbq_entry *hbqe;
struct lpfc_sli_ct_request *ct_req;
INIT_LIST_HEAD(&head);
list_add_tail(&head, &piocbq->list);
if (piocbq->iocb.ulpBdeCount == 0 ||
piocbq->iocb.un.cont64[0].tus.f.bdeSize == 0)
goto error_ct_unsol_exit;
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
dmabuf = bdeBuf1;
else {
dma_addr = getPaddr(piocbq->iocb.un.cont64[0].addrHigh,
piocbq->iocb.un.cont64[0].addrLow);
dmabuf = lpfc_sli_ringpostbuf_get(phba, pring, dma_addr);
}
ct_req = (struct lpfc_sli_ct_request *)dmabuf->virt;
evt_req_id = ct_req->FsType;
cmd = ct_req->CommandResponse.bits.CmdRsp;
len = ct_req->CommandResponse.bits.Size;
if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
lpfc_sli_ringpostbuf_put(phba, pring, dmabuf);
mutex_lock(&phba->ct_event_mutex);
list_for_each_entry(evt, &phba->ct_ev_waiters, node) {
if (evt->req_id != evt_req_id)
continue;
lpfc_ct_event_ref(evt);
evt_dat = kzalloc(sizeof(*evt_dat), GFP_KERNEL);
if (!evt_dat) {
lpfc_ct_event_unref(evt);
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2614 Memory allocation failed for "
"CT event\n");
break;
}
mutex_unlock(&phba->ct_event_mutex);
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
/* take accumulated byte count from the last iocbq */
iocbq = list_entry(head.prev, typeof(*iocbq), list);
evt_dat->len = iocbq->iocb.unsli3.rcvsli3.acc_len;
} else {
list_for_each_entry(iocbq, &head, list) {
for (i = 0; i < iocbq->iocb.ulpBdeCount; i++)
evt_dat->len +=
iocbq->iocb.un.cont64[i].tus.f.bdeSize;
}
}
evt_dat->data = kzalloc(evt_dat->len, GFP_KERNEL);
if (!evt_dat->data) {
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2615 Memory allocation failed for "
"CT event data, size %d\n",
evt_dat->len);
kfree(evt_dat);
mutex_lock(&phba->ct_event_mutex);
lpfc_ct_event_unref(evt);
mutex_unlock(&phba->ct_event_mutex);
goto error_ct_unsol_exit;
}
list_for_each_entry(iocbq, &head, list) {
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
bdeBuf1 = iocbq->context2;
bdeBuf2 = iocbq->context3;
}
for (i = 0; i < iocbq->iocb.ulpBdeCount; i++) {
int size = 0;
if (phba->sli3_options &
LPFC_SLI3_HBQ_ENABLED) {
if (i == 0) {
hbqe = (struct lpfc_hbq_entry *)
&iocbq->iocb.un.ulpWord[0];
size = hbqe->bde.tus.f.bdeSize;
dmabuf = bdeBuf1;
} else if (i == 1) {
hbqe = (struct lpfc_hbq_entry *)
&iocbq->iocb.unsli3.
sli3Words[4];
size = hbqe->bde.tus.f.bdeSize;
dmabuf = bdeBuf2;
}
if ((offset + size) > evt_dat->len)
size = evt_dat->len - offset;
} else {
size = iocbq->iocb.un.cont64[i].
tus.f.bdeSize;
bde = &iocbq->iocb.un.cont64[i];
dma_addr = getPaddr(bde->addrHigh,
bde->addrLow);
dmabuf = lpfc_sli_ringpostbuf_get(phba,
pring, dma_addr);
}
if (!dmabuf) {
lpfc_printf_log(phba, KERN_ERR,
LOG_LIBDFC, "2616 No dmabuf "
"found for iocbq 0x%p\n",
iocbq);
kfree(evt_dat->data);
kfree(evt_dat);
mutex_lock(&phba->ct_event_mutex);
lpfc_ct_event_unref(evt);
mutex_unlock(&phba->ct_event_mutex);
goto error_ct_unsol_exit;
}
memcpy((char *)(evt_dat->data) + offset,
dmabuf->virt, size);
offset += size;
if (evt_req_id != SLI_CT_ELX_LOOPBACK &&
!(phba->sli3_options &
LPFC_SLI3_HBQ_ENABLED)) {
lpfc_sli_ringpostbuf_put(phba, pring,
dmabuf);
} else {
switch (cmd) {
case ELX_LOOPBACK_XRI_SETUP:
if (!(phba->sli3_options &
LPFC_SLI3_HBQ_ENABLED))
lpfc_post_buffer(phba,
pring,
1);
else
lpfc_in_buf_free(phba,
dmabuf);
break;
default:
if (!(phba->sli3_options &
LPFC_SLI3_HBQ_ENABLED))
lpfc_post_buffer(phba,
pring,
1);
break;
}
}
}
}
mutex_lock(&phba->ct_event_mutex);
if (phba->sli_rev == LPFC_SLI_REV4) {
evt_dat->immed_dat = phba->ctx_idx;
phba->ctx_idx = (phba->ctx_idx + 1) % 64;
phba->ct_ctx[evt_dat->immed_dat].oxid =
piocbq->iocb.ulpContext;
phba->ct_ctx[evt_dat->immed_dat].SID =
piocbq->iocb.un.rcvels.remoteID;
} else
evt_dat->immed_dat = piocbq->iocb.ulpContext;
evt_dat->type = FC_REG_CT_EVENT;
list_add(&evt_dat->node, &evt->events_to_see);
wake_up_interruptible(&evt->wq);
lpfc_ct_event_unref(evt);
if (evt_req_id == SLI_CT_ELX_LOOPBACK)
break;
}
mutex_unlock(&phba->ct_event_mutex);
error_ct_unsol_exit:
if (!list_empty(&head))
list_del(&head);
return;
}
/**
* lpfc_bsg_set_event - process a SET_EVENT bsg vendor command
* @job: SET_EVENT fc_bsg_job
*/
static int
lpfc_bsg_set_event(struct fc_bsg_job *job)
{
struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
struct lpfc_hba *phba = vport->phba;
struct set_ct_event *event_req;
struct lpfc_ct_event *evt;
int rc = 0;
if (job->request_len <
sizeof(struct fc_bsg_request) + sizeof(struct set_ct_event)) {
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2612 Received SET_CT_EVENT below minimum "
"size\n");
return -EINVAL;
}
event_req = (struct set_ct_event *)
job->request->rqst_data.h_vendor.vendor_cmd;
mutex_lock(&phba->ct_event_mutex);
list_for_each_entry(evt, &phba->ct_ev_waiters, node) {
if (evt->reg_id == event_req->ev_reg_id) {
lpfc_ct_event_ref(evt);
evt->wait_time_stamp = jiffies;
break;
}
}
mutex_unlock(&phba->ct_event_mutex);
if (&evt->node == &phba->ct_ev_waiters) {
/* no event waiting struct yet - first call */
evt = lpfc_ct_event_new(event_req->ev_reg_id,
event_req->ev_req_id);
if (!evt) {
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2617 Failed allocation of event "
"waiter\n");
return -ENOMEM;
}
mutex_lock(&phba->ct_event_mutex);
list_add(&evt->node, &phba->ct_ev_waiters);
lpfc_ct_event_ref(evt);
mutex_unlock(&phba->ct_event_mutex);
}
evt->waiting = 1;
if (wait_event_interruptible(evt->wq,
!list_empty(&evt->events_to_see))) {
mutex_lock(&phba->ct_event_mutex);
lpfc_ct_event_unref(evt); /* release ref */
lpfc_ct_event_unref(evt); /* delete */
mutex_unlock(&phba->ct_event_mutex);
rc = -EINTR;
goto set_event_out;
}
evt->wait_time_stamp = jiffies;
evt->waiting = 0;
mutex_lock(&phba->ct_event_mutex);
list_move(evt->events_to_see.prev, &evt->events_to_get);
lpfc_ct_event_unref(evt); /* release ref */
mutex_unlock(&phba->ct_event_mutex);
set_event_out:
/* set_event carries no reply payload */
job->reply->reply_payload_rcv_len = 0;
/* make error code available to userspace */
job->reply->result = rc;
/* complete the job back to userspace */
job->job_done(job);
return 0;
}
/**
* lpfc_bsg_get_event - process a GET_EVENT bsg vendor command
* @job: GET_EVENT fc_bsg_job
*/
static int
lpfc_bsg_get_event(struct fc_bsg_job *job)
{
struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
struct lpfc_hba *phba = vport->phba;
struct get_ct_event *event_req;
struct get_ct_event_reply *event_reply;
struct lpfc_ct_event *evt;
struct event_data *evt_dat = NULL;
int rc = 0;
if (job->request_len <
sizeof(struct fc_bsg_request) + sizeof(struct get_ct_event)) {
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2613 Received GET_CT_EVENT request below "
"minimum size\n");
return -EINVAL;
}
event_req = (struct get_ct_event *)
job->request->rqst_data.h_vendor.vendor_cmd;
event_reply = (struct get_ct_event_reply *)
job->reply->reply_data.vendor_reply.vendor_rsp;
mutex_lock(&phba->ct_event_mutex);
list_for_each_entry(evt, &phba->ct_ev_waiters, node) {
if (evt->reg_id == event_req->ev_reg_id) {
if (list_empty(&evt->events_to_get))
break;
lpfc_ct_event_ref(evt);
evt->wait_time_stamp = jiffies;
evt_dat = list_entry(evt->events_to_get.prev,
struct event_data, node);
list_del(&evt_dat->node);
break;
}
}
mutex_unlock(&phba->ct_event_mutex);
if (!evt_dat) {
job->reply->reply_payload_rcv_len = 0;
rc = -ENOENT;
goto error_get_event_exit;
}
if (evt_dat->len > job->reply_payload.payload_len) {
evt_dat->len = job->reply_payload.payload_len;
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2618 Truncated event data at %d "
"bytes\n",
job->reply_payload.payload_len);
}
event_reply->immed_data = evt_dat->immed_dat;
if (evt_dat->len > 0)
job->reply->reply_payload_rcv_len =
sg_copy_from_buffer(job->reply_payload.sg_list,
job->reply_payload.sg_cnt,
evt_dat->data, evt_dat->len);
else
job->reply->reply_payload_rcv_len = 0;
rc = 0;
if (evt_dat)
kfree(evt_dat->data);
kfree(evt_dat);
mutex_lock(&phba->ct_event_mutex);
lpfc_ct_event_unref(evt);
mutex_unlock(&phba->ct_event_mutex);
error_get_event_exit:
/* make error code available to userspace */
job->reply->result = rc;
/* complete the job back to userspace */
job->job_done(job);
return rc;
}
/**
* lpfc_bsg_hst_vendor - process a vendor-specific fc_bsg_job
* @job: fc_bsg_job to handle
*/
static int
lpfc_bsg_hst_vendor(struct fc_bsg_job *job)
{
int command = job->request->rqst_data.h_vendor.vendor_cmd[0];
switch (command) {
case LPFC_BSG_VENDOR_SET_CT_EVENT:
return lpfc_bsg_set_event(job);
break;
case LPFC_BSG_VENDOR_GET_CT_EVENT:
return lpfc_bsg_get_event(job);
break;
default:
return -EINVAL;
}
}
/**
* lpfc_bsg_request - handle a bsg request from the FC transport
* @job: fc_bsg_job to handle
*/
int
lpfc_bsg_request(struct fc_bsg_job *job)
{
uint32_t msgcode;
int rc = -EINVAL;
msgcode = job->request->msgcode;
switch (msgcode) {
case FC_BSG_HST_VENDOR:
rc = lpfc_bsg_hst_vendor(job);
break;
case FC_BSG_RPT_ELS:
rc = lpfc_bsg_rport_els(job);
break;
case FC_BSG_RPT_CT:
rc = lpfc_bsg_rport_ct(job);
break;
default:
break;
}
return rc;
}
/**
* lpfc_bsg_timeout - handle timeout of a bsg request from the FC transport
* @job: fc_bsg_job that has timed out
*
* This function just aborts the job's IOCB. The aborted IOCB will return to
* the waiting function which will handle passing the error back to userspace
*/
int
lpfc_bsg_timeout(struct fc_bsg_job *job)
{
struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
struct lpfc_hba *phba = vport->phba;
struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)job->dd_data;
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
if (cmdiocb)
lpfc_sli_issue_abort_iotag(phba, pring, cmdiocb);
return 0;
}

18
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -21,9 +21,11 @@
typedef int (*node_filter)(struct lpfc_nodelist *, void *);
struct fc_rport;
void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
void lpfc_down_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_sli_read_link_ste(struct lpfc_hba *);
void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t, uint16_t);
void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
int lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
int lpfc_dump_fcoe_param(struct lpfc_hba *, struct lpfcMboxq *);
void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
@ -135,6 +137,9 @@ int lpfc_els_disc_adisc(struct lpfc_vport *);
int lpfc_els_disc_plogi(struct lpfc_vport *);
void lpfc_els_timeout(unsigned long);
void lpfc_els_timeout_handler(struct lpfc_vport *);
struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t,
uint8_t, struct lpfc_nodelist *,
uint32_t, uint32_t);
void lpfc_hb_timeout_handler(struct lpfc_hba *);
void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
@ -182,11 +187,12 @@ int lpfc_mbox_dev_check(struct lpfc_hba *);
int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
void lpfc_init_vfi(struct lpfcMboxq *, struct lpfc_vport *);
void lpfc_reg_vfi(struct lpfcMboxq *, struct lpfc_vport *, dma_addr_t);
void lpfc_init_vpi(struct lpfcMboxq *, uint16_t);
void lpfc_init_vpi(struct lpfc_hba *, struct lpfcMboxq *, uint16_t);
void lpfc_unreg_vfi(struct lpfcMboxq *, uint16_t);
void lpfc_reg_fcfi(struct lpfc_hba *, struct lpfcMboxq *);
void lpfc_unreg_fcfi(struct lpfcMboxq *, uint16_t);
void lpfc_resume_rpi(struct lpfcMboxq *, struct lpfc_nodelist *);
int lpfc_check_pending_fcoe_event(struct lpfc_hba *, uint8_t);
void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
uint32_t , LPFC_MBOXQ_t *);
@ -234,6 +240,7 @@ void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
struct lpfc_iocbq *, uint32_t);
void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
void lpfc_sli_bemem_bcopy(void *, void *, uint32_t);
void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
@ -360,3 +367,8 @@ void lpfc_start_fdiscs(struct lpfc_hba *phba);
#define HBA_EVENT_LINK_UP 2
#define HBA_EVENT_LINK_DOWN 3
/* functions to support SGIOv4/bsg interface */
int lpfc_bsg_request(struct fc_bsg_job *);
int lpfc_bsg_timeout(struct fc_bsg_job *);
void lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *);

2
drivers/scsi/lpfc/lpfc_ct.c
View File

@ -97,6 +97,8 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct list_head head;
struct lpfc_dmabuf *bdeBuf;
lpfc_bsg_ct_unsol_event(phba, pring, piocbq);
if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&

2
drivers/scsi/lpfc/lpfc_els.c
View File

@ -146,7 +146,7 @@ lpfc_els_chk_latt(struct lpfc_vport *vport)
* Pointer to the newly allocated/prepared els iocb data structure
* NULL - when els iocb data structure allocation/preparation failed
**/
static struct lpfc_iocbq *
struct lpfc_iocbq *
lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
uint16_t cmdSize, uint8_t retry,
struct lpfc_nodelist *ndlp, uint32_t did,

257
drivers/scsi/lpfc/lpfc_hbadisc.c
View File

@ -61,6 +61,7 @@ static uint8_t lpfcAlpaArray[] = {
static void lpfc_disc_timeout_handler(struct lpfc_vport *);
static void lpfc_disc_flush_list(struct lpfc_vport *vport);
static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
void
lpfc_terminate_rport_io(struct fc_rport *rport)
@ -1009,9 +1010,15 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
spin_lock_irqsave(&phba->hbalock, flags);
phba->fcf.fcf_flag |= FCF_REGISTERED;
spin_unlock_irqrestore(&phba->hbalock, flags);
/* If there is a pending FCoE event, restart FCF table scan. */
if (lpfc_check_pending_fcoe_event(phba, 1)) {
mempool_free(mboxq, phba->mbox_mem_pool);
return;
}
if (vport->port_state != LPFC_FLOGI) {
spin_lock_irqsave(&phba->hbalock, flags);
phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
spin_unlock_irqrestore(&phba->hbalock, flags);
lpfc_initial_flogi(vport);
}
@ -1053,6 +1060,39 @@ lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record)
return 0;
}
/**
* lpfc_sw_name_match - Check if the fcf switch name match.
* @fab_name: pointer to fabric name.
* @new_fcf_record: pointer to fcf record.
*
* This routine compare the fcf record's switch name with provided
* switch name. If the switch name are identical this function
* returns 1 else return 0.
**/
static uint32_t
lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record)
{
if ((sw_name[0] ==
bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record)) &&
(sw_name[1] ==
bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record)) &&
(sw_name[2] ==
bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record)) &&
(sw_name[3] ==
bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record)) &&
(sw_name[4] ==
bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record)) &&
(sw_name[5] ==
bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record)) &&
(sw_name[6] ==
bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record)) &&
(sw_name[7] ==
bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record)))
return 1;
else
return 0;
}
/**
* lpfc_mac_addr_match - Check if the fcf mac address match.
* @phba: pointer to lpfc hba data structure.
@ -1123,6 +1163,22 @@ lpfc_copy_fcf_record(struct lpfc_hba *phba, struct fcf_record *new_fcf_record)
bf_get(lpfc_fcf_record_mac_5, new_fcf_record);
phba->fcf.fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
phba->fcf.priority = new_fcf_record->fip_priority;
phba->fcf.switch_name[0] =
bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record);
phba->fcf.switch_name[1] =
bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record);
phba->fcf.switch_name[2] =
bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record);
phba->fcf.switch_name[3] =
bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record);
phba->fcf.switch_name[4] =
bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record);
phba->fcf.switch_name[5] =
bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record);
phba->fcf.switch_name[6] =
bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record);
phba->fcf.switch_name[7] =
bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record);
}
/**
@ -1150,6 +1206,7 @@ lpfc_register_fcf(struct lpfc_hba *phba)
/* The FCF is already registered, start discovery */
if (phba->fcf.fcf_flag & FCF_REGISTERED) {
phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
spin_unlock_irqrestore(&phba->hbalock, flags);
if (phba->pport->port_state != LPFC_FLOGI)
lpfc_initial_flogi(phba->pport);
@ -1239,9 +1296,12 @@ lpfc_match_fcf_conn_list(struct lpfc_hba *phba,
if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) &&
!lpfc_fab_name_match(conn_entry->conn_rec.fabric_name,
new_fcf_record))
new_fcf_record))
continue;
if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) &&
!lpfc_sw_name_match(conn_entry->conn_rec.switch_name,
new_fcf_record))
continue;
if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) {
/*
* If the vlan bit map does not have the bit set for the
@ -1335,6 +1395,60 @@ lpfc_match_fcf_conn_list(struct lpfc_hba *phba,
return 0;
}
/**
* lpfc_check_pending_fcoe_event - Check if there is pending fcoe event.
* @phba: pointer to lpfc hba data structure.
* @unreg_fcf: Unregister FCF if FCF table need to be re-scaned.
*
* This function check if there is any fcoe event pending while driver
* scan FCF entries. If there is any pending event, it will restart the
* FCF saning and return 1 else return 0.
*/
int
lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
{
LPFC_MBOXQ_t *mbox;
int rc;
/*
* If the Link is up and no FCoE events while in the
* FCF discovery, no need to restart FCF discovery.
*/
if ((phba->link_state >= LPFC_LINK_UP) &&
(phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan))
return 0;
spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag &= ~FCF_AVAILABLE;
spin_unlock_irq(&phba->hbalock);
if (phba->link_state >= LPFC_LINK_UP)
lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
if (unreg_fcf) {
spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag &= ~FCF_REGISTERED;
spin_unlock_irq(&phba->hbalock);
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox) {
lpfc_printf_log(phba, KERN_ERR,
LOG_DISCOVERY|LOG_MBOX,
"2610 UNREG_FCFI mbox allocation failed\n");
return 1;
}
lpfc_unreg_fcfi(mbox, phba->fcf.fcfi);
mbox->vport = phba->pport;
mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
"2611 UNREG_FCFI issue mbox failed\n");
mempool_free(mbox, phba->mbox_mem_pool);
}
}
return 1;
}
/**
* lpfc_mbx_cmpl_read_fcf_record - Completion handler for read_fcf mbox.
* @phba: pointer to lpfc hba data structure.
@ -1367,6 +1481,12 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
unsigned long flags;
uint16_t vlan_id;
/* If there is pending FCoE event restart FCF table scan */
if (lpfc_check_pending_fcoe_event(phba, 0)) {
lpfc_sli4_mbox_cmd_free(phba, mboxq);
return;
}
/* Get the first SGE entry from the non-embedded DMA memory. This
* routine only uses a single SGE.
*/
@ -1424,7 +1544,9 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
spin_lock_irqsave(&phba->hbalock, flags);
if (phba->fcf.fcf_flag & FCF_IN_USE) {
if (lpfc_fab_name_match(phba->fcf.fabric_name,
new_fcf_record) &&
new_fcf_record) &&
lpfc_sw_name_match(phba->fcf.switch_name,
new_fcf_record) &&
lpfc_mac_addr_match(phba, new_fcf_record)) {
phba->fcf.fcf_flag |= FCF_AVAILABLE;
spin_unlock_irqrestore(&phba->hbalock, flags);
@ -1464,9 +1586,9 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
* If there is a record with lower priority value for
* the current FCF, use that record.
*/
if (lpfc_fab_name_match(phba->fcf.fabric_name, new_fcf_record)
&& (new_fcf_record->fip_priority <
phba->fcf.priority)) {
if (lpfc_fab_name_match(phba->fcf.fabric_name,
new_fcf_record) &&
(new_fcf_record->fip_priority < phba->fcf.priority)) {
/* Use this FCF record */
lpfc_copy_fcf_record(phba, new_fcf_record);
phba->fcf.addr_mode = addr_mode;
@ -1511,6 +1633,39 @@ out:
return;
}
/**
* lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command.
* @phba: pointer to lpfc hba data structure.
* @mboxq: pointer to mailbox data structure.
*
* This function handles completion of init vpi mailbox command.
*/
static void
lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_vport *vport = mboxq->vport;
if (mboxq->u.mb.mbxStatus) {
lpfc_printf_vlog(vport, KERN_ERR,
LOG_MBOX,
"2609 Init VPI mailbox failed 0x%x\n",
mboxq->u.mb.mbxStatus);
mempool_free(mboxq, phba->mbox_mem_pool);
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
return;
}
vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI;
if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
lpfc_initial_fdisc(vport);
else {
lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP);
lpfc_printf_vlog(vport, KERN_ERR,
LOG_ELS,
"2606 No NPIV Fabric support\n");
}
return;
}
/**
* lpfc_start_fdiscs - send fdiscs for each vports on this port.
* @phba: pointer to lpfc hba data structure.
@ -1523,6 +1678,8 @@ lpfc_start_fdiscs(struct lpfc_hba *phba)
{
struct lpfc_vport **vports;
int i;
LPFC_MBOXQ_t *mboxq;
int rc;
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) {
@ -1540,6 +1697,29 @@ lpfc_start_fdiscs(struct lpfc_hba *phba)
FC_VPORT_LINKDOWN);
continue;
}
if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) {
mboxq = mempool_alloc(phba->mbox_mem_pool,
GFP_KERNEL);
if (!mboxq) {
lpfc_printf_vlog(vports[i], KERN_ERR,
LOG_MBOX, "2607 Failed to allocate "
"init_vpi mailbox\n");
continue;
}
lpfc_init_vpi(phba, mboxq, vports[i]->vpi);
mboxq->vport = vports[i];
mboxq->mbox_cmpl = lpfc_init_vpi_cmpl;
rc = lpfc_sli_issue_mbox(phba, mboxq,
MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_printf_vlog(vports[i], KERN_ERR,
LOG_MBOX, "2608 Failed to issue "
"init_vpi mailbox\n");
mempool_free(mboxq,
phba->mbox_mem_pool);
}
continue;
}
if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
lpfc_initial_fdisc(vports[i]);
else {
@ -1769,6 +1949,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
goto out;
}
} else {
vport->port_state = LPFC_VPORT_UNKNOWN;
/*
* Add the driver's default FCF record at FCF index 0 now. This
* is phase 1 implementation that support FCF index 0 and driver
@ -1804,6 +1985,12 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
* The driver is expected to do FIP/FCF. Call the port
* and get the FCF Table.
*/
spin_lock_irq(&phba->hbalock);
if (phba->hba_flag & FCF_DISC_INPROGRESS) {
spin_unlock_irq(&phba->hbalock);
return;
}
spin_unlock_irq(&phba->hbalock);
rc = lpfc_sli4_read_fcf_record(phba,
LPFC_FCOE_FCF_GET_FIRST);
if (rc)
@ -2113,13 +2300,15 @@ lpfc_create_static_vport(struct lpfc_hba *phba)
LPFC_MBOXQ_t *pmb = NULL;
MAILBOX_t *mb;
struct static_vport_info *vport_info;
int rc, i;
int rc = 0, i;
struct fc_vport_identifiers vport_id;
struct fc_vport *new_fc_vport;
struct Scsi_Host *shost;
struct lpfc_vport *vport;
uint16_t offset = 0;
uint8_t *vport_buff;
struct lpfc_dmabuf *mp;
uint32_t byte_count = 0;
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!pmb) {
@ -2142,7 +2331,9 @@ lpfc_create_static_vport(struct lpfc_hba *phba)
vport_buff = (uint8_t *) vport_info;
do {
lpfc_dump_static_vport(phba, pmb, offset);
if (lpfc_dump_static_vport(phba, pmb, offset))
goto out;
pmb->vport = phba->pport;
rc = lpfc_sli_issue_mbox_wait(phba, pmb, LPFC_MBOX_TMO);
@ -2155,17 +2346,30 @@ lpfc_create_static_vport(struct lpfc_hba *phba)
goto out;
}
if (mb->un.varDmp.word_cnt >
sizeof(struct static_vport_info) - offset)
mb->un.varDmp.word_cnt =
sizeof(struct static_vport_info) - offset;
if (phba->sli_rev == LPFC_SLI_REV4) {
byte_count = pmb->u.mqe.un.mb_words[5];
mp = (struct lpfc_dmabuf *) pmb->context2;
if (byte_count > sizeof(struct static_vport_info) -
offset)
byte_count = sizeof(struct static_vport_info)
- offset;
memcpy(vport_buff + offset, mp->virt, byte_count);
offset += byte_count;
} else {
if (mb->un.varDmp.word_cnt >
sizeof(struct static_vport_info) - offset)
mb->un.varDmp.word_cnt =
sizeof(struct static_vport_info)
- offset;
byte_count = mb->un.varDmp.word_cnt;
lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
vport_buff + offset,
byte_count);
lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
vport_buff + offset,
mb->un.varDmp.word_cnt);
offset += mb->un.varDmp.word_cnt;
offset += byte_count;
}
} while (mb->un.varDmp.word_cnt &&
} while (byte_count &&
offset < sizeof(struct static_vport_info));
@ -2198,7 +2402,7 @@ lpfc_create_static_vport(struct lpfc_hba *phba)
if (!new_fc_vport) {
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
"0546 lpfc_create_static_vport failed to"
" create vport \n");
" create vport\n");
continue;
}
@ -2207,16 +2411,15 @@ lpfc_create_static_vport(struct lpfc_hba *phba)
}
out:
/*
* If this is timed out command, setting NULL to context2 tell SLI
* layer not to use this buffer.
*/
spin_lock_irq(&phba->hbalock);
pmb->context2 = NULL;
spin_unlock_irq(&phba->hbalock);
kfree(vport_info);
if (rc != MBX_TIMEOUT)
if (rc != MBX_TIMEOUT) {
if (pmb->context2) {
mp = (struct lpfc_dmabuf *) pmb->context2;
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
}
mempool_free(pmb, phba->mbox_mem_pool);
}
return;
}
@ -4360,7 +4563,7 @@ lpfc_read_fcoe_param(struct lpfc_hba *phba,
fcoe_param_hdr = (struct lpfc_fip_param_hdr *)
buff;
fcoe_param = (struct lpfc_fcoe_params *)
buff + sizeof(struct lpfc_fip_param_hdr);
(buff + sizeof(struct lpfc_fip_param_hdr));
if ((fcoe_param_hdr->parm_version != FIPP_VERSION) ||
(fcoe_param_hdr->length != FCOE_PARAM_LENGTH))

4
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -2496,8 +2496,8 @@ typedef struct {
#define DMP_VPORT_REGION_SIZE 0x200
#define DMP_MBOX_OFFSET_WORD 0x5
#define DMP_REGION_FCOEPARAM 0x17 /* fcoe param region */
#define DMP_FCOEPARAM_RGN_SIZE 0x400
#define DMP_REGION_23 0x17 /* fcoe param and port state region */
#define DMP_RGN23_SIZE 0x400
#define WAKE_UP_PARMS_REGION_ID 4
#define WAKE_UP_PARMS_WORD_SIZE 15

74
drivers/scsi/lpfc/lpfc_hw4.h
View File

@ -52,6 +52,31 @@ struct dma_address {
uint32_t addr_hi;
};
#define LPFC_SLIREV_CONF_WORD 0x58
struct lpfc_sli_intf {
uint32_t word0;
#define lpfc_sli_intf_iftype_MASK 0x00000007
#define lpfc_sli_intf_iftype_SHIFT 0
#define lpfc_sli_intf_iftype_WORD word0
#define lpfc_sli_intf_rev_MASK 0x0000000f
#define lpfc_sli_intf_rev_SHIFT 4
#define lpfc_sli_intf_rev_WORD word0
#define LPFC_SLIREV_CONF_SLI4 4
#define lpfc_sli_intf_family_MASK 0x000000ff
#define lpfc_sli_intf_family_SHIFT 8
#define lpfc_sli_intf_family_WORD word0
#define lpfc_sli_intf_feat1_MASK 0x000000ff
#define lpfc_sli_intf_feat1_SHIFT 16
#define lpfc_sli_intf_feat1_WORD word0
#define lpfc_sli_intf_feat2_MASK 0x0000001f
#define lpfc_sli_intf_feat2_SHIFT 24
#define lpfc_sli_intf_feat2_WORD word0
#define lpfc_sli_intf_valid_MASK 0x00000007
#define lpfc_sli_intf_valid_SHIFT 29
#define lpfc_sli_intf_valid_WORD word0
#define LPFC_SLI_INTF_VALID 6
};
#define LPFC_SLI4_BAR0 1
#define LPFC_SLI4_BAR1 2
#define LPFC_SLI4_BAR2 4
@ -1181,6 +1206,32 @@ struct fcf_record {
#define lpfc_fcf_record_fcf_state_MASK 0x0000FFFF
#define lpfc_fcf_record_fcf_state_WORD word8
uint8_t vlan_bitmap[512];
uint32_t word137;
#define lpfc_fcf_record_switch_name_0_SHIFT 0
#define lpfc_fcf_record_switch_name_0_MASK 0x000000FF
#define lpfc_fcf_record_switch_name_0_WORD word137
#define lpfc_fcf_record_switch_name_1_SHIFT 8
#define lpfc_fcf_record_switch_name_1_MASK 0x000000FF
#define lpfc_fcf_record_switch_name_1_WORD word137
#define lpfc_fcf_record_switch_name_2_SHIFT 16
#define lpfc_fcf_record_switch_name_2_MASK 0x000000FF
#define lpfc_fcf_record_switch_name_2_WORD word137
#define lpfc_fcf_record_switch_name_3_SHIFT 24
#define lpfc_fcf_record_switch_name_3_MASK 0x000000FF
#define lpfc_fcf_record_switch_name_3_WORD word137
uint32_t word138;
#define lpfc_fcf_record_switch_name_4_SHIFT 0
#define lpfc_fcf_record_switch_name_4_MASK 0x000000FF
#define lpfc_fcf_record_switch_name_4_WORD word138
#define lpfc_fcf_record_switch_name_5_SHIFT 8
#define lpfc_fcf_record_switch_name_5_MASK 0x000000FF
#define lpfc_fcf_record_switch_name_5_WORD word138
#define lpfc_fcf_record_switch_name_6_SHIFT 16
#define lpfc_fcf_record_switch_name_6_MASK 0x000000FF
#define lpfc_fcf_record_switch_name_6_WORD word138
#define lpfc_fcf_record_switch_name_7_SHIFT 24
#define lpfc_fcf_record_switch_name_7_MASK 0x000000FF
#define lpfc_fcf_record_switch_name_7_WORD word138
};
struct lpfc_mbx_read_fcf_tbl {
@ -1385,20 +1436,17 @@ struct lpfc_mbx_unreg_vfi {
struct lpfc_mbx_resume_rpi {
uint32_t word1;
#define lpfc_resume_rpi_rpi_SHIFT 0
#define lpfc_resume_rpi_rpi_MASK 0x0000FFFF
#define lpfc_resume_rpi_rpi_WORD word1
#define lpfc_resume_rpi_index_SHIFT 0
#define lpfc_resume_rpi_index_MASK 0x0000FFFF
#define lpfc_resume_rpi_index_WORD word1
#define lpfc_resume_rpi_ii_SHIFT 30
#define lpfc_resume_rpi_ii_MASK 0x00000003
#define lpfc_resume_rpi_ii_WORD word1
#define RESUME_INDEX_RPI 0
#define RESUME_INDEX_VPI 1
#define RESUME_INDEX_VFI 2
#define RESUME_INDEX_FCFI 3
uint32_t event_tag;
uint32_t word3_rsvd;
uint32_t word4_rsvd;
uint32_t word5_rsvd;
uint32_t word6;
#define lpfc_resume_rpi_vpi_SHIFT 0
#define lpfc_resume_rpi_vpi_MASK 0x0000FFFF
#define lpfc_resume_rpi_vpi_WORD word6
#define lpfc_resume_rpi_vfi_SHIFT 16
#define lpfc_resume_rpi_vfi_MASK 0x0000FFFF
#define lpfc_resume_rpi_vfi_WORD word6
};
#define REG_FCF_INVALID_QID 0xFFFF

134
drivers/scsi/lpfc/lpfc_init.c
View File

@ -211,7 +211,7 @@ lpfc_config_port_prep(struct lpfc_hba *phba)
goto out_free_mbox;
do {
lpfc_dump_mem(phba, pmb, offset);
lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
if (rc != MBX_SUCCESS) {
@ -425,6 +425,9 @@ lpfc_config_port_post(struct lpfc_hba *phba)
return -EIO;
}
/* Check if the port is disabled */
lpfc_sli_read_link_ste(phba);
/* Reset the DFT_HBA_Q_DEPTH to the max xri */
if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
phba->cfg_hba_queue_depth =
@ -524,27 +527,46 @@ lpfc_config_port_post(struct lpfc_hba *phba)
/* Set up error attention (ERATT) polling timer */
mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL);
lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
lpfc_set_loopback_flag(phba);
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
if (rc != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
if (phba->hba_flag & LINK_DISABLED) {
lpfc_printf_log(phba,
KERN_ERR, LOG_INIT,
"2598 Adapter Link is disabled.\n");
lpfc_down_link(phba, pmb);
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
lpfc_printf_log(phba,
KERN_ERR, LOG_INIT,
"2599 Adapter failed to issue DOWN_LINK"
" mbox command rc 0x%x\n", rc);
mempool_free(pmb, phba->mbox_mem_pool);
return -EIO;
}
} else {
lpfc_init_link(phba, pmb, phba->cfg_topology,
phba->cfg_link_speed);
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
lpfc_set_loopback_flag(phba);
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
if (rc != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0454 Adapter failed to init, mbxCmd x%x "
"INIT_LINK, mbxStatus x%x\n",
mb->mbxCommand, mb->mbxStatus);
/* Clear all interrupt enable conditions */
writel(0, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
/* Clear all pending interrupts */
writel(0xffffffff, phba->HAregaddr);
readl(phba->HAregaddr); /* flush */
/* Clear all interrupt enable conditions */
writel(0, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
/* Clear all pending interrupts */
writel(0xffffffff, phba->HAregaddr);
readl(phba->HAregaddr); /* flush */
phba->link_state = LPFC_HBA_ERROR;
if (rc != MBX_BUSY)
mempool_free(pmb, phba->mbox_mem_pool);
return -EIO;
phba->link_state = LPFC_HBA_ERROR;
if (rc != MBX_BUSY)
mempool_free(pmb, phba->mbox_mem_pool);
return -EIO;
}
}
/* MBOX buffer will be freed in mbox compl */
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@ -558,7 +580,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
KERN_ERR,
LOG_INIT,
"0456 Adapter failed to issue "
"ASYNCEVT_ENABLE mbox status x%x \n.",
"ASYNCEVT_ENABLE mbox status x%x\n",
rc);
mempool_free(pmb, phba->mbox_mem_pool);
}
@ -572,7 +594,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
"to get Option ROM version status x%x\n.", rc);
"to get Option ROM version status x%x\n", rc);
mempool_free(pmb, phba->mbox_mem_pool);
}
@ -2133,6 +2155,8 @@ lpfc_online(struct lpfc_hba *phba)
vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
if (phba->sli_rev == LPFC_SLI_REV4)
vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
spin_unlock_irq(shost->host_lock);
}
lpfc_destroy_vport_work_array(phba, vports);
@ -2807,6 +2831,7 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
if (att_type != AT_LINK_DOWN && att_type != AT_LINK_UP)
return;
phba->fcoe_eventtag = acqe_link->event_tag;
pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!pmb) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
@ -2894,18 +2919,20 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
uint8_t event_type = bf_get(lpfc_acqe_fcoe_event_type, acqe_fcoe);
int rc;
phba->fcoe_eventtag = acqe_fcoe->event_tag;
switch (event_type) {
case LPFC_FCOE_EVENT_TYPE_NEW_FCF:
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
"2546 New FCF found index 0x%x tag 0x%x \n",
"2546 New FCF found index 0x%x tag 0x%x\n",
acqe_fcoe->fcf_index,
acqe_fcoe->event_tag);
/*
* If the current FCF is in discovered state,
* do nothing.
* If the current FCF is in discovered state, or
* FCF discovery is in progress do nothing.
*/
spin_lock_irq(&phba->hbalock);
if (phba->fcf.fcf_flag & FCF_DISCOVERED) {
if ((phba->fcf.fcf_flag & FCF_DISCOVERED) ||
(phba->hba_flag & FCF_DISC_INPROGRESS)) {
spin_unlock_irq(&phba->hbalock);
break;
}
@ -2922,7 +2949,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL:
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2548 FCF Table full count 0x%x tag 0x%x \n",
"2548 FCF Table full count 0x%x tag 0x%x\n",
bf_get(lpfc_acqe_fcoe_fcf_count, acqe_fcoe),
acqe_fcoe->event_tag);
break;
@ -2930,7 +2957,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
case LPFC_FCOE_EVENT_TYPE_FCF_DEAD:
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
"2549 FCF disconnected fron network index 0x%x"
" tag 0x%x \n", acqe_fcoe->fcf_index,
" tag 0x%x\n", acqe_fcoe->fcf_index,
acqe_fcoe->event_tag);
/* If the event is not for currently used fcf do nothing */
if (phba->fcf.fcf_indx != acqe_fcoe->fcf_index)
@ -4130,8 +4157,7 @@ lpfc_hba_alloc(struct pci_dev *pdev)
/* Allocate memory for HBA structure */
phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
if (!phba) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"1417 Failed to allocate hba struct.\n");
dev_err(&pdev->dev, "failed to allocate hba struct\n");
return NULL;
}
@ -4145,6 +4171,9 @@ lpfc_hba_alloc(struct pci_dev *pdev)
return NULL;
}
mutex_init(&phba->ct_event_mutex);
INIT_LIST_HEAD(&phba->ct_ev_waiters);
return phba;
}
@ -4489,23 +4518,6 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba)
if (!phba->sli4_hba.STAregaddr)
return -ENODEV;
/* With uncoverable error, log the error message and return error */
onlnreg0 = readl(phba->sli4_hba.ONLINE0regaddr);
onlnreg1 = readl(phba->sli4_hba.ONLINE1regaddr);
if ((onlnreg0 != LPFC_ONLINE_NERR) || (onlnreg1 != LPFC_ONLINE_NERR)) {
uerrlo_reg.word0 = readl(phba->sli4_hba.UERRLOregaddr);
uerrhi_reg.word0 = readl(phba->sli4_hba.UERRHIregaddr);
if (uerrlo_reg.word0 || uerrhi_reg.word0) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"1422 HBA Unrecoverable error: "
"uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
"online0_reg=0x%x, online1_reg=0x%x\n",
uerrlo_reg.word0, uerrhi_reg.word0,
onlnreg0, onlnreg1);
}
return -ENODEV;
}
/* Wait up to 30 seconds for the SLI Port POST done and ready */
for (i = 0; i < 3000; i++) {
sta_reg.word0 = readl(phba->sli4_hba.STAregaddr);
@ -4545,6 +4557,23 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba)
bf_get(lpfc_scratchpad_featurelevel1, &scratchpad),
bf_get(lpfc_scratchpad_featurelevel2, &scratchpad));
/* With uncoverable error, log the error message and return error */
onlnreg0 = readl(phba->sli4_hba.ONLINE0regaddr);
onlnreg1 = readl(phba->sli4_hba.ONLINE1regaddr);
if ((onlnreg0 != LPFC_ONLINE_NERR) || (onlnreg1 != LPFC_ONLINE_NERR)) {
uerrlo_reg.word0 = readl(phba->sli4_hba.UERRLOregaddr);
uerrhi_reg.word0 = readl(phba->sli4_hba.UERRHIregaddr);
if (uerrlo_reg.word0 || uerrhi_reg.word0) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"1422 HBA Unrecoverable error: "
"uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
"online0_reg=0x%x, online1_reg=0x%x\n",
uerrlo_reg.word0, uerrhi_reg.word0,
onlnreg0, onlnreg1);
}
return -ENODEV;
}
return port_error;
}
@ -7347,6 +7376,9 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
/* Perform post initialization setup */
lpfc_post_init_setup(phba);
/* Check if there are static vports to be created. */
lpfc_create_static_vport(phba);
return 0;
out_disable_intr:
@ -7636,19 +7668,17 @@ static int __devinit
lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
{
int rc;
uint16_t dev_id;
struct lpfc_sli_intf intf;
if (pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id))
if (pci_read_config_dword(pdev, LPFC_SLIREV_CONF_WORD, &intf.word0))
return -ENODEV;
switch (dev_id) {
case PCI_DEVICE_ID_TIGERSHARK:
if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
(bf_get(lpfc_sli_intf_rev, &intf) == LPFC_SLIREV_CONF_SLI4))
rc = lpfc_pci_probe_one_s4(pdev, pid);
break;
default:
else
rc = lpfc_pci_probe_one_s3(pdev, pid);
break;
}
return rc;
}

93
drivers/scsi/lpfc/lpfc_mbox.c
View File

@ -52,48 +52,85 @@
* This routine prepares the mailbox command for dumping list of static
* vports to be created.
**/
void
int
lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
uint16_t offset)
{
MAILBOX_t *mb;
void *ctx;
struct lpfc_dmabuf *mp;
mb = &pmb->u.mb;
ctx = pmb->context2;
/* Setup to dump vport info region */
memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
mb->mbxCommand = MBX_DUMP_MEMORY;
mb->un.varDmp.cv = 1;
mb->un.varDmp.type = DMP_NV_PARAMS;
mb->un.varDmp.entry_index = offset;
mb->un.varDmp.region_id = DMP_REGION_VPORT;
mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t);
mb->un.varDmp.co = 0;
mb->un.varDmp.resp_offset = 0;
pmb->context2 = ctx;
mb->mbxOwner = OWN_HOST;
return;
/* For SLI3 HBAs data is embedded in mailbox */
if (phba->sli_rev != LPFC_SLI_REV4) {
mb->un.varDmp.cv = 1;
mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t);
return 0;
}
/* For SLI4 HBAs driver need to allocate memory */
mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
if (mp)
mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
if (!mp || !mp->virt) {
kfree(mp);
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
"2605 lpfc_dump_static_vport: memory"
" allocation failed\n");
return 1;
}
memset(mp->virt, 0, LPFC_BPL_SIZE);
INIT_LIST_HEAD(&mp->list);
/* save address for completion */
pmb->context2 = (uint8_t *) mp;
mb->un.varWords[3] = putPaddrLow(mp->phys);
mb->un.varWords[4] = putPaddrHigh(mp->phys);
mb->un.varDmp.sli4_length = sizeof(struct static_vport_info);
return 0;
}
/**
* lpfc_dump_mem - Prepare a mailbox command for retrieving HBA's VPD memory
* lpfc_down_link - Bring down HBAs link.
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
* @offset: offset for dumping VPD memory mailbox command.
*
* This routine prepares a mailbox command to bring down HBA link.
**/
void
lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
MAILBOX_t *mb;
memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
mb = &pmb->u.mb;
mb->mbxCommand = MBX_DOWN_LINK;
mb->mbxOwner = OWN_HOST;
}
/**
* lpfc_dump_mem - Prepare a mailbox command for reading a region.
* @phba: pointer to lpfc hba data structure.
* @pmb: pointer to the driver internal queue element for mailbox command.
* @offset: offset into the region.
* @region_id: config region id.
*
* The dump mailbox command provides a method for the device driver to obtain
* various types of information from the HBA device.
*
* This routine prepares the mailbox command for dumping HBA Vital Product
* Data (VPD) memory. This mailbox command is to be used for retrieving a
* portion (DMP_RSP_SIZE bytes) of a HBA's VPD from the HBA at an address
* offset specified by the offset parameter.
* This routine prepares the mailbox command for dumping HBA's config region.
**/
void
lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset)
lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset,
uint16_t region_id)
{
MAILBOX_t *mb;
void *ctx;
@ -107,7 +144,7 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset)
mb->un.varDmp.cv = 1;
mb->un.varDmp.type = DMP_NV_PARAMS;
mb->un.varDmp.entry_index = offset;
mb->un.varDmp.region_id = DMP_REGION_VPD;
mb->un.varDmp.region_id = region_id;
mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
mb->un.varDmp.co = 0;
mb->un.varDmp.resp_offset = 0;
@ -1789,6 +1826,7 @@ lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
/**
* lpfc_init_vpi - Initialize the INIT_VPI mailbox command
* @phba: pointer to the hba structure to init the VPI for.
* @mbox: pointer to lpfc mbox command to initialize.
* @vpi: VPI to be initialized.
*
@ -1799,11 +1837,14 @@ lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
* successful virtual NPort login.
**/
void
lpfc_init_vpi(struct lpfcMboxq *mbox, uint16_t vpi)
lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi)
{
memset(mbox, 0, sizeof(*mbox));
bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI);
bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi, vpi);
bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi,
vpi + phba->vpi_base);
bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi,
phba->pport->vfi + phba->vfi_base);
}
/**
@ -1852,7 +1893,7 @@ lpfc_dump_fcoe_param(struct lpfc_hba *phba,
/* dump_fcoe_param failed to allocate memory */
lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
"2569 lpfc_dump_fcoe_param: memory"
" allocation failed \n");
" allocation failed\n");
return 1;
}
@ -1864,8 +1905,8 @@ lpfc_dump_fcoe_param(struct lpfc_hba *phba,
mb->mbxCommand = MBX_DUMP_MEMORY;
mb->un.varDmp.type = DMP_NV_PARAMS;
mb->un.varDmp.region_id = DMP_REGION_FCOEPARAM;
mb->un.varDmp.sli4_length = DMP_FCOEPARAM_RGN_SIZE;
mb->un.varDmp.region_id = DMP_REGION_23;
mb->un.varDmp.sli4_length = DMP_RGN23_SIZE;
mb->un.varWords[3] = putPaddrLow(mp->phys);
mb->un.varWords[4] = putPaddrHigh(mp->phys);
return 0;
@ -1938,9 +1979,7 @@ lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp)
memset(mbox, 0, sizeof(*mbox));
resume_rpi = &mbox->u.mqe.un.resume_rpi;
bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI);
bf_set(lpfc_resume_rpi_rpi, resume_rpi, ndlp->nlp_rpi);
bf_set(lpfc_resume_rpi_vpi, resume_rpi,
ndlp->vport->vpi + ndlp->vport->phba->vpi_base);
bf_set(lpfc_resume_rpi_vfi, resume_rpi,
ndlp->vport->vfi + ndlp->vport->phba->vfi_base);
bf_set(lpfc_resume_rpi_index, resume_rpi, ndlp->nlp_rpi);
bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI);
resume_rpi->event_tag = ndlp->phba->fc_eventTag;
}

41
drivers/scsi/lpfc/lpfc_mem.c
View File

@ -110,17 +110,28 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align)
sizeof(struct lpfc_nodelist));
if (!phba->nlp_mem_pool)
goto fail_free_mbox_pool;
phba->lpfc_hrb_pool = pci_pool_create("lpfc_hrb_pool",
if (phba->sli_rev == LPFC_SLI_REV4) {
phba->lpfc_hrb_pool = pci_pool_create("lpfc_hrb_pool",
phba->pcidev,
LPFC_HDR_BUF_SIZE, align, 0);
if (!phba->lpfc_hrb_pool)
goto fail_free_nlp_mem_pool;
phba->lpfc_drb_pool = pci_pool_create("lpfc_drb_pool",
if (!phba->lpfc_hrb_pool)
goto fail_free_nlp_mem_pool;
phba->lpfc_drb_pool = pci_pool_create("lpfc_drb_pool",
phba->pcidev,
LPFC_DATA_BUF_SIZE, align, 0);
if (!phba->lpfc_drb_pool)
goto fail_free_hbq_pool;
if (!phba->lpfc_drb_pool)
goto fail_free_hrb_pool;
phba->lpfc_hbq_pool = NULL;
} else {
phba->lpfc_hbq_pool = pci_pool_create("lpfc_hbq_pool",
phba->pcidev, LPFC_BPL_SIZE, align, 0);
if (!phba->lpfc_hbq_pool)
goto fail_free_nlp_mem_pool;
phba->lpfc_hrb_pool = NULL;
phba->lpfc_drb_pool = NULL;
}
/* vpi zero is reserved for the physical port so add 1 to max */
longs = ((phba->max_vpi + 1) + BITS_PER_LONG - 1) / BITS_PER_LONG;
phba->vpi_bmask = kzalloc(longs * sizeof(unsigned long), GFP_KERNEL);
@ -132,7 +143,7 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align)
fail_free_dbq_pool:
pci_pool_destroy(phba->lpfc_drb_pool);
phba->lpfc_drb_pool = NULL;
fail_free_hbq_pool:
fail_free_hrb_pool:
pci_pool_destroy(phba->lpfc_hrb_pool);
phba->lpfc_hrb_pool = NULL;
fail_free_nlp_mem_pool:
@ -176,11 +187,17 @@ lpfc_mem_free(struct lpfc_hba *phba)
/* Free HBQ pools */
lpfc_sli_hbqbuf_free_all(phba);
pci_pool_destroy(phba->lpfc_drb_pool);
if (phba->lpfc_drb_pool)
pci_pool_destroy(phba->lpfc_drb_pool);
phba->lpfc_drb_pool = NULL;
pci_pool_destroy(phba->lpfc_hrb_pool);
if (phba->lpfc_hrb_pool)
pci_pool_destroy(phba->lpfc_hrb_pool);
phba->lpfc_hrb_pool = NULL;
if (phba->lpfc_hbq_pool)
pci_pool_destroy(phba->lpfc_hbq_pool);
phba->lpfc_hbq_pool = NULL;
/* Free NLP memory pool */
mempool_destroy(phba->nlp_mem_pool);
phba->nlp_mem_pool = NULL;
@ -380,7 +397,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba)
if (!hbqbp)
return NULL;
hbqbp->dbuf.virt = pci_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL,
hbqbp->dbuf.virt = pci_pool_alloc(phba->lpfc_hbq_pool, GFP_KERNEL,
&hbqbp->dbuf.phys);
if (!hbqbp->dbuf.virt) {
kfree(hbqbp);
@ -405,7 +422,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba)
void
lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
{
pci_pool_free(phba->lpfc_hrb_pool, hbqbp->dbuf.virt, hbqbp->dbuf.phys);
pci_pool_free(phba->lpfc_hbq_pool, hbqbp->dbuf.virt, hbqbp->dbuf.phys);
kfree(hbqbp);
return;
}

20
drivers/scsi/lpfc/lpfc_nl.h
View File

@ -177,3 +177,23 @@ struct temp_event {
uint32_t data;
};
/* bsg definitions */
#define LPFC_BSG_VENDOR_SET_CT_EVENT 1
#define LPFC_BSG_VENDOR_GET_CT_EVENT 2
struct set_ct_event {
uint32_t command;
uint32_t ev_req_id;
uint32_t ev_reg_id;
};
struct get_ct_event {
uint32_t command;
uint32_t ev_reg_id;
uint32_t ev_req_id;
};
struct get_ct_event_reply {
uint32_t immed_data;
uint32_t type;
};

7
drivers/scsi/lpfc/lpfc_scsi.c
View File

@ -2142,7 +2142,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
} else if (resp_info & RESID_OVER) {
lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
"9028 FCP command x%x residual overrun error. "
"Data: x%x x%x \n", cmnd->cmnd[0],
"Data: x%x x%x\n", cmnd->cmnd[0],
scsi_bufflen(cmnd), scsi_get_resid(cmnd));
host_status = DID_ERROR;
@ -2843,7 +2843,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
dif_op_str[scsi_get_prot_op(cmnd)]);
lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG,
"9034 BLKGRD: CDB: %02x %02x %02x %02x %02x "
"%02x %02x %02x %02x %02x \n",
"%02x %02x %02x %02x %02x\n",
cmnd->cmnd[0], cmnd->cmnd[1], cmnd->cmnd[2],
cmnd->cmnd[3], cmnd->cmnd[4], cmnd->cmnd[5],
cmnd->cmnd[6], cmnd->cmnd[7], cmnd->cmnd[8],
@ -2871,7 +2871,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
dif_op_str[scsi_get_prot_op(cmnd)]);
lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG,
"9039 BLKGRD: CDB: %02x %02x %02x %02x %02x "
"%02x %02x %02x %02x %02x \n",
"%02x %02x %02x %02x %02x\n",
cmnd->cmnd[0], cmnd->cmnd[1], cmnd->cmnd[2],
cmnd->cmnd[3], cmnd->cmnd[4], cmnd->cmnd[5],
cmnd->cmnd[6], cmnd->cmnd[7], cmnd->cmnd[8],
@ -3584,6 +3584,7 @@ struct scsi_host_template lpfc_template = {
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = lpfc_hba_attrs,
.max_sectors = 0xFFFF,
.vendor_id = LPFC_NL_VENDOR_ID,
};
struct scsi_host_template lpfc_vport_template = {

263
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -4139,7 +4139,7 @@ lpfc_sli4_read_fcoe_params(struct lpfc_hba *phba,
return -EIO;
}
data_length = mqe->un.mb_words[5];
if (data_length > DMP_FCOEPARAM_RGN_SIZE) {
if (data_length > DMP_RGN23_SIZE) {
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
return -EIO;
@ -4304,7 +4304,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
*/
if (lpfc_sli4_read_fcoe_params(phba, mboxq))
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT,
"2570 Failed to read FCoE parameters \n");
"2570 Failed to read FCoE parameters\n");
/* Issue READ_REV to collect vpd and FW information. */
vpd_size = PAGE_SIZE;
@ -4522,12 +4522,8 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
lpfc_sli4_rb_setup(phba);
/* Start the ELS watchdog timer */
/*
* The driver for SLI4 is not yet ready to process timeouts
* or interrupts. Once it is, the comment bars can be removed.
*/
/* mod_timer(&vport->els_tmofunc,
* jiffies + HZ * (phba->fc_ratov*2)); */
mod_timer(&vport->els_tmofunc,
jiffies + HZ * (phba->fc_ratov * 2));
/* Start heart beat timer */
mod_timer(&phba->hb_tmofunc,
@ -4706,13 +4702,13 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
spin_lock_irqsave(&phba->hbalock, drvr_flag);
if (!pmbox) {
phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
/* processing mbox queue from intr_handler */
if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) {
spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
return MBX_SUCCESS;
}
processing_queue = 1;
phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
pmbox = lpfc_mbox_get(phba);
if (!pmbox) {
spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
@ -5279,6 +5275,18 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
unsigned long iflags;
int rc;
rc = lpfc_mbox_dev_check(phba);
if (unlikely(rc)) {
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
"(%d):2544 Mailbox command x%x (x%x) "
"cannot issue Data: x%x x%x\n",
mboxq->vport ? mboxq->vport->vpi : 0,
mboxq->u.mb.mbxCommand,
lpfc_sli4_mbox_opcode_get(phba, mboxq),
psli->sli_flag, flag);
goto out_not_finished;
}
/* Detect polling mode and jump to a handler */
if (!phba->sli4_hba.intr_enable) {
if (flag == MBX_POLL)
@ -5338,17 +5346,6 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
psli->sli_flag, flag);
goto out_not_finished;
}
rc = lpfc_mbox_dev_check(phba);
if (unlikely(rc)) {
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
"(%d):2544 Mailbox command x%x (x%x) "
"cannot issue Data: x%x x%x\n",
mboxq->vport ? mboxq->vport->vpi : 0,
mboxq->u.mb.mbxCommand,
lpfc_sli4_mbox_opcode_get(phba, mboxq),
psli->sli_flag, flag);
goto out_not_finished;
}
/* Put the mailbox command to the driver internal FIFO */
psli->slistat.mbox_busy++;
@ -5817,19 +5814,21 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
/**
* lpfc_sli4_scmd_to_wqidx_distr - scsi command to SLI4 WQ index distribution
* @phba: Pointer to HBA context object.
* @piocb: Pointer to command iocb.
*
* This routine performs a round robin SCSI command to SLI4 FCP WQ index
* distribution.
* distribution. This is called by __lpfc_sli_issue_iocb_s4() with the hbalock
* held.
*
* Return: index into SLI4 fast-path FCP queue index.
**/
static uint32_t
lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba, struct lpfc_iocbq *piocb)
lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba)
{
static uint32_t fcp_qidx;
++phba->fcp_qidx;
if (phba->fcp_qidx >= phba->cfg_fcp_wq_count)
phba->fcp_qidx = 0;
return fcp_qidx++ % phba->cfg_fcp_wq_count;
return phba->fcp_qidx;
}
/**
@ -6156,7 +6155,7 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number,
return IOCB_ERROR;
if (piocb->iocb_flag & LPFC_IO_FCP) {
fcp_wqidx = lpfc_sli4_scmd_to_wqidx_distr(phba, piocb);
fcp_wqidx = lpfc_sli4_scmd_to_wqidx_distr(phba);
if (lpfc_sli4_wq_put(phba->sli4_hba.fcp_wq[fcp_wqidx], &wqe))
return IOCB_ERROR;
} else {
@ -6327,7 +6326,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
KERN_ERR,
LOG_SLI,
"0346 Ring %d handler: unexpected ASYNC_STATUS"
" evt_code 0x%x \n"
" evt_code 0x%x\n"
"W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n"
"W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n"
"W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n"
@ -6789,6 +6788,33 @@ lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt)
}
/**
* lpfc_sli_bemem_bcopy - SLI memory copy function
* @srcp: Source memory pointer.
* @destp: Destination memory pointer.
* @cnt: Number of words required to be copied.
*
* This function is used for copying data between a data structure
* with big endian representation to local endianness.
* This function can be called with or without lock.
**/
void
lpfc_sli_bemem_bcopy(void *srcp, void *destp, uint32_t cnt)
{
uint32_t *src = srcp;
uint32_t *dest = destp;
uint32_t ldata;
int i;
for (i = 0; i < (int)cnt; i += sizeof(uint32_t)) {
ldata = *src;
ldata = be32_to_cpu(ldata);
*dest = ldata;
src++;
dest++;
}
}
/**
* lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq
* @phba: Pointer to HBA context object.
@ -7678,12 +7704,6 @@ lpfc_sli4_eratt_read(struct lpfc_hba *phba)
"online0_reg=0x%x, online1_reg=0x%x\n",
uerr_sta_lo, uerr_sta_hi,
onlnreg0, onlnreg1);
/* TEMP: as the driver error recover logic is not
* fully developed, we just log the error message
* and the device error attention action is now
* temporarily disabled.
*/
return 0;
phba->work_status[0] = uerr_sta_lo;
phba->work_status[1] = uerr_sta_hi;
/* Set the driver HA work bitmap */
@ -9499,8 +9519,7 @@ lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint16_t imax)
eq->host_index = 0;
eq->hba_index = 0;
if (rc != MBX_TIMEOUT)
mempool_free(mbox, phba->mbox_mem_pool);
mempool_free(mbox, phba->mbox_mem_pool);
return status;
}
@ -9604,10 +9623,9 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq,
cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response);
cq->host_index = 0;
cq->hba_index = 0;
out:
if (rc != MBX_TIMEOUT)
mempool_free(mbox, phba->mbox_mem_pool);
out:
mempool_free(mbox, phba->mbox_mem_pool);
return status;
}
@ -9712,8 +9730,7 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
/* link the mq onto the parent cq child list */
list_add_tail(&mq->list, &cq->child_list);
out:
if (rc != MBX_TIMEOUT)
mempool_free(mbox, phba->mbox_mem_pool);
mempool_free(mbox, phba->mbox_mem_pool);
return status;
}
@ -9795,8 +9812,7 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
/* link the wq onto the parent cq child list */
list_add_tail(&wq->list, &cq->child_list);
out:
if (rc != MBX_TIMEOUT)
mempool_free(mbox, phba->mbox_mem_pool);
mempool_free(mbox, phba->mbox_mem_pool);
return status;
}
@ -9970,8 +9986,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
list_add_tail(&drq->list, &cq->child_list);
out:
if (rc != MBX_TIMEOUT)
mempool_free(mbox, phba->mbox_mem_pool);
mempool_free(mbox, phba->mbox_mem_pool);
return status;
}
@ -10026,8 +10041,7 @@ lpfc_eq_destroy(struct lpfc_hba *phba, struct lpfc_queue *eq)
/* Remove eq from any list */
list_del_init(&eq->list);
if (rc != MBX_TIMEOUT)
mempool_free(mbox, eq->phba->mbox_mem_pool);
mempool_free(mbox, eq->phba->mbox_mem_pool);
return status;
}
@ -10080,8 +10094,7 @@ lpfc_cq_destroy(struct lpfc_hba *phba, struct lpfc_queue *cq)
}
/* Remove cq from any list */
list_del_init(&cq->list);
if (rc != MBX_TIMEOUT)
mempool_free(mbox, cq->phba->mbox_mem_pool);
mempool_free(mbox, cq->phba->mbox_mem_pool);
return status;
}
@ -10134,8 +10147,7 @@ lpfc_mq_destroy(struct lpfc_hba *phba, struct lpfc_queue *mq)
}
/* Remove mq from any list */
list_del_init(&mq->list);
if (rc != MBX_TIMEOUT)
mempool_free(mbox, mq->phba->mbox_mem_pool);
mempool_free(mbox, mq->phba->mbox_mem_pool);
return status;
}
@ -10187,8 +10199,7 @@ lpfc_wq_destroy(struct lpfc_hba *phba, struct lpfc_queue *wq)
}
/* Remove wq from any list */
list_del_init(&wq->list);
if (rc != MBX_TIMEOUT)
mempool_free(mbox, wq->phba->mbox_mem_pool);
mempool_free(mbox, wq->phba->mbox_mem_pool);
return status;
}
@ -10258,8 +10269,7 @@ lpfc_rq_destroy(struct lpfc_hba *phba, struct lpfc_queue *hrq,
}
list_del_init(&hrq->list);
list_del_init(&drq->list);
if (rc != MBX_TIMEOUT)
mempool_free(mbox, hrq->phba->mbox_mem_pool);
mempool_free(mbox, hrq->phba->mbox_mem_pool);
return status;
}
@ -10933,6 +10943,7 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
first_iocbq = lpfc_sli_get_iocbq(vport->phba);
if (first_iocbq) {
/* Initialize the first IOCB. */
first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0;
first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS;
first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX;
first_iocbq->iocb.ulpContext = be16_to_cpu(fc_hdr->fh_ox_id);
@ -10945,6 +10956,8 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
first_iocbq->iocb.un.cont64[0].tus.f.bdeSize =
LPFC_DATA_BUF_SIZE;
first_iocbq->iocb.un.rcvels.remoteID = sid;
first_iocbq->iocb.unsli3.rcvsli3.acc_len +=
bf_get(lpfc_rcqe_length, &seq_dmabuf->rcqe);
}
iocbq = first_iocbq;
/*
@ -10961,6 +10974,8 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
iocbq->iocb.ulpBdeCount++;
iocbq->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize =
LPFC_DATA_BUF_SIZE;
first_iocbq->iocb.unsli3.rcvsli3.acc_len +=
bf_get(lpfc_rcqe_length, &seq_dmabuf->rcqe);
} else {
iocbq = lpfc_sli_get_iocbq(vport->phba);
if (!iocbq) {
@ -10978,6 +10993,8 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
iocbq->iocb.ulpBdeCount = 1;
iocbq->iocb.un.cont64[0].tus.f.bdeSize =
LPFC_DATA_BUF_SIZE;
first_iocbq->iocb.unsli3.rcvsli3.acc_len +=
bf_get(lpfc_rcqe_length, &seq_dmabuf->rcqe);
iocbq->iocb.un.rcvels.remoteID = sid;
list_add_tail(&iocbq->list, &first_iocbq->list);
}
@ -11324,7 +11341,7 @@ lpfc_sli4_init_vpi(struct lpfc_hba *phba, uint16_t vpi)
mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq)
return -ENOMEM;
lpfc_init_vpi(mboxq, vpi);
lpfc_init_vpi(phba, mboxq, vpi);
mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_INIT_VPI);
rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
if (rc != MBX_TIMEOUT)
@ -11519,6 +11536,7 @@ lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
uint32_t alloc_len, req_len;
struct lpfc_mbx_read_fcf_tbl *read_fcf;
phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag;
mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@ -11570,7 +11588,140 @@ lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
if (rc == MBX_NOT_FINISHED) {
lpfc_sli4_mbox_cmd_free(phba, mboxq);
error = -EIO;
} else
} else {
spin_lock_irq(&phba->hbalock);
phba->hba_flag |= FCF_DISC_INPROGRESS;
spin_unlock_irq(&phba->hbalock);
error = 0;
}
return error;
}
/**
* lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled.
* @phba: pointer to lpfc hba data structure.
*
* This function read region 23 and parse TLV for port status to
* decide if the user disaled the port. If the TLV indicates the
* port is disabled, the hba_flag is set accordingly.
**/
void
lpfc_sli_read_link_ste(struct lpfc_hba *phba)
{
LPFC_MBOXQ_t *pmb = NULL;
MAILBOX_t *mb;
uint8_t *rgn23_data = NULL;
uint32_t offset = 0, data_size, sub_tlv_len, tlv_offset;
int rc;
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!pmb) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2600 lpfc_sli_read_serdes_param failed to"
" allocate mailbox memory\n");
goto out;
}
mb = &pmb->u.mb;
/* Get adapter Region 23 data */
rgn23_data = kzalloc(DMP_RGN23_SIZE, GFP_KERNEL);
if (!rgn23_data)
goto out;
do {
lpfc_dump_mem(phba, pmb, offset, DMP_REGION_23);
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
if (rc != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"2601 lpfc_sli_read_link_ste failed to"
" read config region 23 rc 0x%x Status 0x%x\n",
rc, mb->mbxStatus);
mb->un.varDmp.word_cnt = 0;
}
/*
* dump mem may return a zero when finished or we got a
* mailbox error, either way we are done.
*/
if (mb->un.varDmp.word_cnt == 0)
break;
if (mb->un.varDmp.word_cnt > DMP_RGN23_SIZE - offset)
mb->un.varDmp.word_cnt = DMP_RGN23_SIZE - offset;
lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
rgn23_data + offset,
mb->un.varDmp.word_cnt);
offset += mb->un.varDmp.word_cnt;
} while (mb->un.varDmp.word_cnt && offset < DMP_RGN23_SIZE);
data_size = offset;
offset = 0;
if (!data_size)
goto out;
/* Check the region signature first */
if (memcmp(&rgn23_data[offset], LPFC_REGION23_SIGNATURE, 4)) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2619 Config region 23 has bad signature\n");
goto out;
}
offset += 4;
/* Check the data structure version */
if (rgn23_data[offset] != LPFC_REGION23_VERSION) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2620 Config region 23 has bad version\n");
goto out;
}
offset += 4;
/* Parse TLV entries in the region */
while (offset < data_size) {
if (rgn23_data[offset] == LPFC_REGION23_LAST_REC)
break;
/*
* If the TLV is not driver specific TLV or driver id is
* not linux driver id, skip the record.
*/
if ((rgn23_data[offset] != DRIVER_SPECIFIC_TYPE) ||
(rgn23_data[offset + 2] != LINUX_DRIVER_ID) ||
(rgn23_data[offset + 3] != 0)) {
offset += rgn23_data[offset + 1] * 4 + 4;
continue;
}
/* Driver found a driver specific TLV in the config region */
sub_tlv_len = rgn23_data[offset + 1] * 4;
offset += 4;
tlv_offset = 0;
/*
* Search for configured port state sub-TLV.
*/
while ((offset < data_size) &&
(tlv_offset < sub_tlv_len)) {
if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) {
offset += 4;
tlv_offset += 4;
break;
}
if (rgn23_data[offset] != PORT_STE_TYPE) {
offset += rgn23_data[offset + 1] * 4 + 4;
tlv_offset += rgn23_data[offset + 1] * 4 + 4;
continue;
}
/* This HBA contains PORT_STE configured */
if (!rgn23_data[offset + 2])
phba->hba_flag |= LINK_DISABLED;
goto out;
}
}
out:
if (pmb)
mempool_free(pmb, phba->mbox_mem_pool);
kfree(rgn23_data);
return;
}

5
drivers/scsi/lpfc/lpfc_sli4.h
View File

@ -132,6 +132,7 @@ struct lpfc_sli4_link {
struct lpfc_fcf {
uint8_t fabric_name[8];
uint8_t switch_name[8];
uint8_t mac_addr[6];
uint16_t fcf_indx;
uint16_t fcfi;
@ -150,6 +151,10 @@ struct lpfc_fcf {
#define LPFC_REGION23_SIGNATURE "RG23"
#define LPFC_REGION23_VERSION 1
#define LPFC_REGION23_LAST_REC 0xff
#define DRIVER_SPECIFIC_TYPE 0xA2
#define LINUX_DRIVER_ID 0x20
#define PORT_STE_TYPE 0x1
struct lpfc_fip_param_hdr {
uint8_t type;
#define FCOE_PARAM_TYPE 0xA0

2
drivers/scsi/lpfc/lpfc_version.h
View File

@ -18,7 +18,7 @@
* included with this package. *
*******************************************************************/
#define LPFC_DRIVER_VERSION "8.3.3"
#define LPFC_DRIVER_VERSION "8.3.4"
#define LPFC_DRIVER_NAME "lpfc"
#define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp"

53
drivers/scsi/lpfc/lpfc_vport.c
View File

@ -313,22 +313,6 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable)
goto error_out;
}
/*
* In SLI4, the vpi must be activated before it can be used
* by the port.
*/
if (phba->sli_rev == LPFC_SLI_REV4) {
rc = lpfc_sli4_init_vpi(phba, vpi);
if (rc) {
lpfc_printf_log(phba, KERN_ERR, LOG_VPORT,
"1838 Failed to INIT_VPI on vpi %d "
"status %d\n", vpi, rc);
rc = VPORT_NORESOURCES;
lpfc_free_vpi(phba, vpi);
goto error_out;
}
}
/* Assign an unused board number */
if ((instance = lpfc_get_instance()) < 0) {
lpfc_printf_log(phba, KERN_ERR, LOG_VPORT,
@ -367,12 +351,8 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable)
goto error_out;
}
memcpy(vport->fc_portname.u.wwn, vport->fc_sparam.portName.u.wwn, 8);
memcpy(vport->fc_nodename.u.wwn, vport->fc_sparam.nodeName.u.wwn, 8);
if (fc_vport->node_name != 0)
u64_to_wwn(fc_vport->node_name, vport->fc_nodename.u.wwn);
if (fc_vport->port_name != 0)
u64_to_wwn(fc_vport->port_name, vport->fc_portname.u.wwn);
u64_to_wwn(fc_vport->node_name, vport->fc_nodename.u.wwn);
u64_to_wwn(fc_vport->port_name, vport->fc_portname.u.wwn);
memcpy(&vport->fc_sparam.portName, vport->fc_portname.u.wwn, 8);
memcpy(&vport->fc_sparam.nodeName, vport->fc_nodename.u.wwn, 8);
@ -404,7 +384,34 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable)
*(struct lpfc_vport **)fc_vport->dd_data = vport;
vport->fc_vport = fc_vport;
/*
* In SLI4, the vpi must be activated before it can be used
* by the port.
*/
if ((phba->sli_rev == LPFC_SLI_REV4) &&
(pport->vfi_state & LPFC_VFI_REGISTERED)) {
rc = lpfc_sli4_init_vpi(phba, vpi);
if (rc) {
lpfc_printf_log(phba, KERN_ERR, LOG_VPORT,
"1838 Failed to INIT_VPI on vpi %d "
"status %d\n", vpi, rc);
rc = VPORT_NORESOURCES;
lpfc_free_vpi(phba, vpi);
goto error_out;
}
} else if (phba->sli_rev == LPFC_SLI_REV4) {
/*
* Driver cannot INIT_VPI now. Set the flags to
* init_vpi when reg_vfi complete.
*/
vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN);
rc = VPORT_OK;
goto out;
}
if ((phba->link_state < LPFC_LINK_UP) ||
(pport->port_state < LPFC_FABRIC_CFG_LINK) ||
(phba->fc_topology == TOPOLOGY_LOOP)) {
lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN);
rc = VPORT_OK;
@ -661,7 +668,7 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
lpfc_printf_log(vport->phba, KERN_WARNING,
LOG_VPORT,
"1829 CT command failed to "
"delete objects on fabric. \n");
"delete objects on fabric\n");
}
/* First look for the Fabric ndlp */
ndlp = lpfc_findnode_did(vport, Fabric_DID);

96
drivers/scsi/mpt2sas/mpt2sas_base.c
View File

@ -94,7 +94,7 @@ _base_fault_reset_work(struct work_struct *work)
int rc;
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->ioc_reset_in_progress)
if (ioc->shost_recovery)
goto rearm_timer;
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
@ -687,6 +687,14 @@ _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc)
ioc->mask_interrupts = 0;
}
union reply_descriptor {
u64 word;
struct {
u32 low;
u32 high;
} u;
};
/**
* _base_interrupt - MPT adapter (IOC) specific interrupt handler.
* @irq: irq number (not used)
@ -698,47 +706,38 @@ _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc)
static irqreturn_t
_base_interrupt(int irq, void *bus_id)
{
union reply_descriptor {
u64 word;
struct {
u32 low;
u32 high;
} u;
};
union reply_descriptor rd;
u32 post_index, post_index_next, completed_cmds;
u32 completed_cmds;
u8 request_desript_type;
u16 smid;
u8 cb_idx;
u32 reply;
u8 VF_ID;
int i;
struct MPT2SAS_ADAPTER *ioc = bus_id;
Mpi2ReplyDescriptorsUnion_t *rpf;
if (ioc->mask_interrupts)
return IRQ_NONE;
post_index = ioc->reply_post_host_index;
request_desript_type = ioc->reply_post_free[post_index].
Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
rpf = &ioc->reply_post_free[ioc->reply_post_host_index];
request_desript_type = rpf->Default.ReplyFlags
& MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
return IRQ_NONE;
completed_cmds = 0;
do {
rd.word = ioc->reply_post_free[post_index].Words;
rd.word = rpf->Words;
if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
goto out;
reply = 0;
cb_idx = 0xFF;
smid = le16_to_cpu(ioc->reply_post_free[post_index].
Default.DescriptorTypeDependent1);
VF_ID = ioc->reply_post_free[post_index].
Default.VF_ID;
smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1);
VF_ID = rpf->Default.VF_ID;
if (request_desript_type ==
MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
reply = le32_to_cpu(ioc->reply_post_free[post_index].
AddressReply.ReplyFrameAddress);
reply = le32_to_cpu
(rpf->AddressReply.ReplyFrameAddress);
} else if (request_desript_type ==
MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER)
goto next;
@ -765,21 +764,27 @@ _base_interrupt(int irq, void *bus_id)
0 : ioc->reply_free_host_index + 1;
ioc->reply_free[ioc->reply_free_host_index] =
cpu_to_le32(reply);
wmb();
writel(ioc->reply_free_host_index,
&ioc->chip->ReplyFreeHostIndex);
wmb();
}
next:
post_index_next = (post_index == (ioc->reply_post_queue_depth -
1)) ? 0 : post_index + 1;
rpf->Words = ULLONG_MAX;
ioc->reply_post_host_index = (ioc->reply_post_host_index ==
(ioc->reply_post_queue_depth - 1)) ? 0 :
ioc->reply_post_host_index + 1;
request_desript_type =
ioc->reply_post_free[post_index_next].Default.ReplyFlags
& MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
ioc->reply_post_free[ioc->reply_post_host_index].Default.
ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
completed_cmds++;
if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
goto out;
post_index = post_index_next;
if (!ioc->reply_post_host_index)
rpf = ioc->reply_post_free;
else
rpf++;
} while (1);
out:
@ -787,19 +792,8 @@ _base_interrupt(int irq, void *bus_id)
if (!completed_cmds)
return IRQ_NONE;
/* reply post descriptor handling */
post_index_next = ioc->reply_post_host_index;
for (i = 0 ; i < completed_cmds; i++) {
post_index = post_index_next;
/* poison the reply post descriptor */
ioc->reply_post_free[post_index_next].Words = ULLONG_MAX;
post_index_next = (post_index ==
(ioc->reply_post_queue_depth - 1))
? 0 : post_index + 1;
}
ioc->reply_post_host_index = post_index_next;
writel(post_index_next, &ioc->chip->ReplyPostHostIndex);
wmb();
writel(ioc->reply_post_host_index, &ioc->chip->ReplyPostHostIndex);
return IRQ_HANDLED;
}
@ -1542,6 +1536,8 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
(ioc->bios_pg3.BiosVersion & 0x0000FF00) >> 8,
ioc->bios_pg3.BiosVersion & 0x000000FF);
_base_display_dell_branding(ioc);
printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name);
if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) {
@ -1554,8 +1550,6 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
i++;
}
_base_display_dell_branding(ioc);
i = 0;
printk("), ");
printk("Capabilities=(");
@ -1627,6 +1621,9 @@ _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
u32 iounit_pg1_flags;
mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
if (ioc->ir_firmware)
mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
&ioc->manu_pg10);
mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
@ -1647,7 +1644,7 @@ _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
iounit_pg1_flags |=
MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, ioc->iounit_pg1);
mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
}
/**
@ -3303,13 +3300,11 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
mutex_init(&ioc->tm_cmds.mutex);
init_completion(&ioc->tm_cmds.done);
/* config page internal command bits */
ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
ioc->config_cmds.status = MPT2_CMD_NOT_USED;
mutex_init(&ioc->config_cmds.mutex);
init_completion(&ioc->config_cmds.done);
/* ctl module internal command bits */
ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
@ -3433,6 +3428,7 @@ _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
if (ioc->config_cmds.status & MPT2_CMD_PENDING) {
ioc->config_cmds.status |= MPT2_CMD_RESET;
mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid);
ioc->config_cmds.smid = USHORT_MAX;
complete(&ioc->config_cmds.done);
}
break;
@ -3501,20 +3497,13 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
__func__));
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->ioc_reset_in_progress) {
if (ioc->shost_recovery) {
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
printk(MPT2SAS_ERR_FMT "%s: busy\n",
ioc->name, __func__);
return -EBUSY;
}
ioc->ioc_reset_in_progress = 1;
ioc->shost_recovery = 1;
if (ioc->shost->shost_state == SHOST_RUNNING) {
/* set back to SHOST_RUNNING in mpt2sas_scsih.c */
scsi_host_set_state(ioc->shost, SHOST_RECOVERY);
printk(MPT2SAS_INFO_FMT "putting controller into "
"SHOST_RECOVERY\n", ioc->name);
}
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
_base_reset_handler(ioc, MPT2_IOC_PRE_RESET);
@ -3534,7 +3523,10 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED")));
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
ioc->ioc_reset_in_progress = 0;
ioc->shost_recovery = 0;
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
if (!r)
_base_reset_handler(ioc, MPT2_IOC_RUNNING);
return r;
}

51
drivers/scsi/mpt2sas/mpt2sas_base.h
View File

@ -69,10 +69,10 @@
#define MPT2SAS_DRIVER_NAME "mpt2sas"
#define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
#define MPT2SAS_DRIVER_VERSION "01.100.04.00"
#define MPT2SAS_DRIVER_VERSION "01.100.06.00"
#define MPT2SAS_MAJOR_VERSION 01
#define MPT2SAS_MINOR_VERSION 100
#define MPT2SAS_BUILD_VERSION 04
#define MPT2SAS_BUILD_VERSION 06
#define MPT2SAS_RELEASE_VERSION 00
/*
@ -119,6 +119,7 @@
#define MPT2_IOC_PRE_RESET 1 /* prior to host reset */
#define MPT2_IOC_AFTER_RESET 2 /* just after host reset */
#define MPT2_IOC_DONE_RESET 3 /* links re-initialized */
#define MPT2_IOC_RUNNING 4 /* shost running */
/*
* logging format
@ -196,6 +197,38 @@ struct MPT2SAS_TARGET {
* @block: device is in SDEV_BLOCK state
* @tlr_snoop_check: flag used in determining whether to disable TLR
*/
/* OEM Identifiers */
#define MFG10_OEM_ID_INVALID (0x00000000)
#define MFG10_OEM_ID_DELL (0x00000001)
#define MFG10_OEM_ID_FSC (0x00000002)
#define MFG10_OEM_ID_SUN (0x00000003)
#define MFG10_OEM_ID_IBM (0x00000004)
/* GENERIC Flags 0*/
#define MFG10_GF0_OCE_DISABLED (0x00000001)
#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
#define MFG10_GF0_R10_DISPLAY (0x00000004)
#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
/* OEM Specific Flags will come from OEM specific header files */
typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
U8 OEMIdentifier; /* 04h */
U8 Reserved1; /* 05h */
U16 Reserved2; /* 08h */
U32 Reserved3; /* 0Ch */
U32 GenericFlags0; /* 10h */
U32 GenericFlags1; /* 14h */
U32 Reserved4; /* 18h */
U32 OEMSpecificFlags0; /* 1Ch */
U32 OEMSpecificFlags1; /* 20h */
U32 Reserved5[18]; /* 24h-60h*/
} MPI2_CONFIG_PAGE_MAN_10,
MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10,
Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t;
struct MPT2SAS_DEVICE {
struct MPT2SAS_TARGET *sas_target;
unsigned int lun;
@ -431,7 +464,7 @@ typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
* @fw_event_list: list of fw events
* @aen_event_read_flag: event log was read
* @broadcast_aen_busy: broadcast aen waiting to be serviced
* @ioc_reset_in_progress: host reset in progress
* @shost_recovery: host reset in progress
* @ioc_reset_in_progress_lock:
* @ioc_link_reset_in_progress: phy/hard reset in progress
* @ignore_loginfos: ignore loginfos during task managment
@ -460,6 +493,7 @@ typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
* @facts: static facts data
* @pfacts: static port facts data
* @manu_pg0: static manufacturing page 0
* @manu_pg10: static manufacturing page 10
* @bios_pg2: static bios page 2
* @bios_pg3: static bios page 3
* @ioc_pg8: static ioc page 8
@ -544,7 +578,6 @@ struct MPT2SAS_ADAPTER {
/* misc flags */
int aen_event_read_flag;
u8 broadcast_aen_busy;
u8 ioc_reset_in_progress;
u8 shost_recovery;
spinlock_t ioc_reset_in_progress_lock;
u8 ioc_link_reset_in_progress;
@ -663,6 +696,7 @@ struct MPT2SAS_ADAPTER {
dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
Mpi2ManufacturingPage10_t manu_pg10;
u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
};
@ -734,6 +768,8 @@ void mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 re
int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2BiosPage2_t *config_page);
int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
@ -749,7 +785,7 @@ int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRep
int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOUnitPage1_t *config_page);
int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOUnitPage1_t config_page);
*mpi_reply, Mpi2IOUnitPage1_t *config_page);
int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
@ -776,7 +812,6 @@ int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
u16 *volume_handle);
int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
u64 *wwid);
/* ctl shared API */
extern struct device_attribute *mpt2sas_host_attrs[];
extern struct device_attribute *mpt2sas_dev_attrs[];
@ -798,9 +833,11 @@ int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
*mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
*mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
void mpt2sas_transport_update_phy_link_change(struct MPT2SAS_ADAPTER *ioc, u16 handle,
void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, u16 handle,
u16 attached_handle, u8 phy_number, u8 link_rate);
extern struct sas_function_template mpt2sas_transport_functions;
extern struct scsi_transport_template *mpt2sas_transport_template;
extern int scsi_internal_device_block(struct scsi_device *sdev);
extern int scsi_internal_device_unblock(struct scsi_device *sdev);
#endif /* MPT2SAS_BASE_H_INCLUDED */

912
drivers/scsi/mpt2sas/mpt2sas_config.c
View File

File diff suppressed because it is too large Load Diff

16
drivers/scsi/mpt2sas/mpt2sas_ctl.c
View File

@ -1963,7 +1963,6 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg)
{
enum block_state state;
long ret = -EINVAL;
unsigned long flags;
state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING :
BLOCKING;
@ -1989,13 +1988,8 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg)
!ioc)
return -ENODEV;
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->shost_recovery) {
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock,
flags);
if (ioc->shost_recovery)
return -EAGAIN;
}
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) {
uarg = arg;
@ -2098,7 +2092,6 @@ _ctl_compat_mpt_command(struct file *file, unsigned cmd, unsigned long arg)
struct mpt2_ioctl_command karg;
struct MPT2SAS_ADAPTER *ioc;
enum block_state state;
unsigned long flags;
if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32))
return -EINVAL;
@ -2113,13 +2106,8 @@ _ctl_compat_mpt_command(struct file *file, unsigned cmd, unsigned long arg)
if (_ctl_verify_adapter(karg32.hdr.ioc_number, &ioc) == -1 || !ioc)
return -ENODEV;
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->shost_recovery) {
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock,
flags);
if (ioc->shost_recovery)
return -EAGAIN;
}
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
memset(&karg, 0, sizeof(struct mpt2_ioctl_command));
karg.hdr.ioc_number = karg32.hdr.ioc_number;

252
drivers/scsi/mpt2sas/mpt2sas_scsih.c
View File

@ -103,7 +103,6 @@ struct sense_info {
};
#define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF)
/**
* struct fw_event_work - firmware event struct
* @list: link list framework
@ -1502,7 +1501,13 @@ _scsih_slave_configure(struct scsi_device *sdev)
break;
case MPI2_RAID_VOL_TYPE_RAID1E:
qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
r_level = "RAID1E";
if (ioc->manu_pg10.OEMIdentifier &&
(ioc->manu_pg10.GenericFlags0 &
MFG10_GF0_R10_DISPLAY) &&
!(raid_device->num_pds % 2))
r_level = "RAID10";
else
r_level = "RAID1E";
break;
case MPI2_RAID_VOL_TYPE_RAID1:
qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
@ -1786,17 +1791,18 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
u32 ioc_state;
unsigned long timeleft;
u8 VF_ID = 0;
unsigned long flags;
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED ||
ioc->shost_recovery) {
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
__func__, ioc->name);
return;
}
if (ioc->shost_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return;
}
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
if (ioc_state & MPI2_DOORBELL_USED) {
@ -1830,6 +1836,7 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
mpi_request->TaskMID = cpu_to_le16(smid_task);
int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
mpt2sas_scsih_set_tm_flag(ioc, handle);
init_completion(&ioc->tm_cmds.done);
mpt2sas_base_put_smid_hi_priority(ioc, smid, VF_ID);
timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
mpt2sas_scsih_clear_tm_flag(ioc, handle);
@ -2222,7 +2229,7 @@ _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
MPT2SAS_INFO_FMT "SDEV_RUNNING: "
"handle(0x%04x)\n", ioc->name, handle));
sas_device_priv_data->block = 0;
scsi_device_set_state(sdev, SDEV_RUNNING);
scsi_internal_device_unblock(sdev);
}
}
}
@ -2251,7 +2258,7 @@ _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
MPT2SAS_INFO_FMT "SDEV_BLOCK: "
"handle(0x%04x)\n", ioc->name, handle));
sas_device_priv_data->block = 1;
scsi_device_set_state(sdev, SDEV_BLOCK);
scsi_internal_device_block(sdev);
}
}
}
@ -2327,6 +2334,7 @@ _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
u16 handle;
u16 reason_code;
u8 phy_number;
u8 link_rate;
for (i = 0; i < event_data->NumEntries; i++) {
handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
@ -2337,6 +2345,11 @@ _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
MPI2_EVENT_SAS_TOPO_RC_MASK;
if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
_scsih_block_io_device(ioc, handle);
if (reason_code == MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED) {
link_rate = event_data->PHY[i].LinkRate >> 4;
if (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)
_scsih_ublock_io_device(ioc, handle);
}
}
}
@ -2404,27 +2417,6 @@ _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
}
/**
* _scsih_queue_rescan - queue a topology rescan from user context
* @ioc: per adapter object
*
* Return nothing.
*/
static void
_scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc)
{
struct fw_event_work *fw_event;
if (ioc->wait_for_port_enable_to_complete)
return;
fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
if (!fw_event)
return;
fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET;
fw_event->ioc = ioc;
_scsih_fw_event_add(ioc, fw_event);
}
/**
* _scsih_flush_running_cmds - completing outstanding commands.
* @ioc: per adapter object
@ -2455,46 +2447,6 @@ _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
ioc->name, count));
}
/**
* mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
* @ioc: per adapter object
* @reset_phase: phase
*
* The handler for doing any required cleanup or initialization.
*
* The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
* MPT2_IOC_DONE_RESET
*
* Return nothing.
*/
void
mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
{
switch (reset_phase) {
case MPT2_IOC_PRE_RESET:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
"MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
_scsih_fw_event_off(ioc);
break;
case MPT2_IOC_AFTER_RESET:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
"MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
ioc->tm_cmds.status |= MPT2_CMD_RESET;
mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
complete(&ioc->tm_cmds.done);
}
_scsih_fw_event_on(ioc);
_scsih_flush_running_cmds(ioc);
break;
case MPT2_IOC_DONE_RESET:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
"MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
_scsih_queue_rescan(ioc);
break;
}
}
/**
* _scsih_setup_eedp - setup MPI request for EEDP transfer
* @scmd: pointer to scsi command object
@ -2615,7 +2567,6 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
Mpi2SCSIIORequest_t *mpi_request;
u32 mpi_control;
u16 smid;
unsigned long flags;
scmd->scsi_done = done;
sas_device_priv_data = scmd->device->hostdata;
@ -2634,13 +2585,10 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
}
/* see if we are busy with task managment stuff */
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (sas_target_priv_data->tm_busy ||
ioc->shost_recovery || ioc->ioc_link_reset_in_progress) {
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
if (sas_target_priv_data->tm_busy)
return SCSI_MLQUEUE_DEVICE_BUSY;
else if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
return SCSI_MLQUEUE_HOST_BUSY;
}
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
if (scmd->sc_data_direction == DMA_FROM_DEVICE)
mpi_control = MPI2_SCSIIO_CONTROL_READ;
@ -3188,25 +3136,6 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
scmd->scsi_done(scmd);
}
/**
* _scsih_link_change - process phy link changes
* @ioc: per adapter object
* @handle: phy handle
* @attached_handle: valid for devices attached to link
* @phy_number: phy number
* @link_rate: new link rate
* Context: user.
*
* Return nothing.
*/
static void
_scsih_link_change(struct MPT2SAS_ADAPTER *ioc, u16 handle, u16 attached_handle,
u8 phy_number, u8 link_rate)
{
mpt2sas_transport_update_phy_link_change(ioc, handle, attached_handle,
phy_number, link_rate);
}
/**
* _scsih_sas_host_refresh - refreshing sas host object contents
* @ioc: per adapter object
@ -3251,7 +3180,8 @@ _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc, u8 update)
le16_to_cpu(sas_iounit_pg0->PhyData[i].
ControllerDevHandle);
if (update)
_scsih_link_change(ioc,
mpt2sas_transport_update_links(
ioc,
ioc->sas_hba.phy[i].handle,
le16_to_cpu(sas_iounit_pg0->PhyData[i].
AttachedDevHandle), i,
@ -3436,6 +3366,9 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
if (!handle)
return -1;
if (ioc->shost_recovery)
return -1;
if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
@ -3572,6 +3505,9 @@ _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u16 handle)
struct _sas_node *sas_expander;
unsigned long flags;
if (ioc->shost_recovery)
return;
spin_lock_irqsave(&ioc->sas_node_lock, flags);
sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, handle);
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
@ -3743,6 +3679,8 @@ _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
mutex_unlock(&ioc->tm_cmds.mutex);
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset "
"done: handle(0x%04x)\n", ioc->name, device_handle));
if (ioc->shost_recovery)
goto out;
}
/* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */
@ -3765,6 +3703,9 @@ _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
le32_to_cpu(mpi_reply.IOCLogInfo)));
out:
_scsih_ublock_io_device(ioc, handle);
mpt2sas_transport_port_remove(ioc, sas_device->sas_address,
sas_device->parent_handle);
@ -3908,6 +3849,8 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
"expander event\n", ioc->name));
return;
}
if (ioc->shost_recovery)
return;
if (event_data->PHY[i].PhyStatus &
MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT)
continue;
@ -3923,9 +3866,10 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
if (!parent_handle) {
if (phy_number < ioc->sas_hba.num_phys)
_scsih_link_change(ioc,
ioc->sas_hba.phy[phy_number].handle,
handle, phy_number, link_rate_);
mpt2sas_transport_update_links(
ioc,
ioc->sas_hba.phy[phy_number].handle,
handle, phy_number, link_rate_);
} else {
spin_lock_irqsave(&ioc->sas_node_lock, flags);
sas_expander =
@ -3935,17 +3879,14 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
flags);
if (sas_expander) {
if (phy_number < sas_expander->num_phys)
_scsih_link_change(ioc,
sas_expander->
phy[phy_number].handle,
handle, phy_number,
link_rate_);
mpt2sas_transport_update_links(
ioc,
sas_expander->
phy[phy_number].handle,
handle, phy_number,
link_rate_);
}
}
if (reason_code == MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED) {
if (link_rate_ >= MPI2_SAS_NEG_LINK_RATE_1_5)
_scsih_ublock_io_device(ioc, handle);
}
if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED) {
if (link_rate_ < MPI2_SAS_NEG_LINK_RATE_1_5)
break;
@ -4455,7 +4396,7 @@ _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
return;
}
_scsih_link_change(ioc,
mpt2sas_transport_update_links(ioc,
le16_to_cpu(sas_device_pg0.ParentDevHandle),
handle, sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
@ -4744,7 +4685,7 @@ _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
return;
}
_scsih_link_change(ioc,
mpt2sas_transport_update_links(ioc,
le16_to_cpu(sas_device_pg0.ParentDevHandle),
handle, sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
@ -5156,22 +5097,9 @@ static void
_scsih_remove_unresponding_devices(struct MPT2SAS_ADAPTER *ioc)
{
struct _sas_device *sas_device, *sas_device_next;
struct _sas_node *sas_expander, *sas_expander_next;
struct _sas_node *sas_expander;
struct _raid_device *raid_device, *raid_device_next;
unsigned long flags;
_scsih_search_responding_sas_devices(ioc);
_scsih_search_responding_raid_devices(ioc);
_scsih_search_responding_expanders(ioc);
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
ioc->shost_recovery = 0;
if (ioc->shost->shost_state == SHOST_RECOVERY) {
printk(MPT2SAS_INFO_FMT "putting controller into "
"SHOST_RUNNING\n", ioc->name);
scsi_host_set_state(ioc->shost, SHOST_RUNNING);
}
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
list_for_each_entry_safe(sas_device, sas_device_next,
&ioc->sas_device_list, list) {
@ -5207,16 +5135,63 @@ _scsih_remove_unresponding_devices(struct MPT2SAS_ADAPTER *ioc)
_scsih_raid_device_remove(ioc, raid_device);
}
list_for_each_entry_safe(sas_expander, sas_expander_next,
&ioc->sas_expander_list, list) {
retry_expander_search:
sas_expander = NULL;
list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
if (sas_expander->responding) {
sas_expander->responding = 0;
continue;
}
printk("\tremoving expander: handle(0x%04x), "
" sas_addr(0x%016llx)\n", sas_expander->handle,
(unsigned long long)sas_expander->sas_address);
_scsih_expander_remove(ioc, sas_expander->handle);
goto retry_expander_search;
}
}
/**
* mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
* @ioc: per adapter object
* @reset_phase: phase
*
* The handler for doing any required cleanup or initialization.
*
* The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
* MPT2_IOC_DONE_RESET
*
* Return nothing.
*/
void
mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
{
switch (reset_phase) {
case MPT2_IOC_PRE_RESET:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
"MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
_scsih_fw_event_off(ioc);
break;
case MPT2_IOC_AFTER_RESET:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
"MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
ioc->tm_cmds.status |= MPT2_CMD_RESET;
mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
complete(&ioc->tm_cmds.done);
}
_scsih_fw_event_on(ioc);
_scsih_flush_running_cmds(ioc);
break;
case MPT2_IOC_DONE_RESET:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
"MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
_scsih_sas_host_refresh(ioc, 0);
_scsih_search_responding_sas_devices(ioc);
_scsih_search_responding_raid_devices(ioc);
_scsih_search_responding_expanders(ioc);
break;
case MPT2_IOC_RUNNING:
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
"MPT2_IOC_RUNNING\n", ioc->name, __func__));
_scsih_remove_unresponding_devices(ioc);
break;
}
}
@ -5236,14 +5211,6 @@ _firmware_event_work(struct work_struct *work)
unsigned long flags;
struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
/* This is invoked by calling _scsih_queue_rescan(). */
if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) {
_scsih_fw_event_free(ioc, fw_event);
_scsih_sas_host_refresh(ioc, 1);
_scsih_remove_unresponding_devices(ioc);
return;
}
/* the queue is being flushed so ignore this event */
spin_lock_irqsave(&ioc->fw_event_lock, flags);
if (ioc->fw_events_off || ioc->remove_host) {
@ -5253,13 +5220,10 @@ _firmware_event_work(struct work_struct *work)
}
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->shost_recovery) {
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
_scsih_fw_event_requeue(ioc, fw_event, 1000);
return;
}
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
switch (fw_event->event) {
case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
@ -5461,6 +5425,8 @@ _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
if (!sas_device)
continue;
_scsih_remove_device(ioc, sas_device->handle);
if (ioc->shost_recovery)
return;
goto retry_device_search;
}
}
@ -5482,6 +5448,8 @@ _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
if (!expander_sibling)
continue;
_scsih_expander_remove(ioc, expander_sibling->handle);
if (ioc->shost_recovery)
return;
goto retry_expander_search;
}
}

33
drivers/scsi/mpt2sas/mpt2sas_transport.c
View File

@ -140,11 +140,18 @@ _transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle,
u32 device_info;
u32 ioc_status;
if (ioc->shost_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return -EFAULT;
}
if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return -1;
return -ENXIO;
}
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
@ -153,7 +160,7 @@ _transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle,
printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)"
"\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
__FILE__, __LINE__, __func__);
return -1;
return -EIO;
}
memset(identify, 0, sizeof(identify));
@ -288,21 +295,17 @@ _transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc,
void *psge;
u32 sgl_flags;
u8 issue_reset = 0;
unsigned long flags;
void *data_out = NULL;
dma_addr_t data_out_dma;
u32 sz;
u64 *sas_address_le;
u16 wait_state_count;
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->ioc_reset_in_progress) {
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->shost_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return -EFAULT;
}
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
mutex_lock(&ioc->transport_cmds.mutex);
@ -789,7 +792,7 @@ mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
}
/**
* mpt2sas_transport_update_phy_link_change - refreshing phy link changes and attached devices
* mpt2sas_transport_update_links - refreshing phy link changes
* @ioc: per adapter object
* @handle: handle to sas_host or expander
* @attached_handle: attached device handle
@ -799,13 +802,19 @@ mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
* Returns nothing.
*/
void
mpt2sas_transport_update_phy_link_change(struct MPT2SAS_ADAPTER *ioc,
mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
u16 handle, u16 attached_handle, u8 phy_number, u8 link_rate)
{
unsigned long flags;
struct _sas_node *sas_node;
struct _sas_phy *mpt2sas_phy;
if (ioc->shost_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return;
}
spin_lock_irqsave(&ioc->sas_node_lock, flags);
sas_node = _transport_sas_node_find_by_handle(ioc, handle);
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
@ -1025,7 +1034,6 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
void *psge;
u32 sgl_flags;
u8 issue_reset = 0;
unsigned long flags;
dma_addr_t dma_addr_in = 0;
dma_addr_t dma_addr_out = 0;
u16 wait_state_count;
@ -1045,14 +1053,11 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
return -EINVAL;
}
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->ioc_reset_in_progress) {
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->shost_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return -EFAULT;
}
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex);
if (rc)

2
drivers/scsi/pcmcia/nsp_cs.c
View File

@ -1713,7 +1713,7 @@ static int nsp_cs_config(struct pcmcia_device *link)
nsp_dbg(NSP_DEBUG_INIT, "in");
cfg_mem = kzalloc(sizeof(cfg_mem), GFP_KERNEL);
cfg_mem = kzalloc(sizeof(*cfg_mem), GFP_KERNEL);
if (!cfg_mem)
return -ENOMEM;
cfg_mem->data = data;

5604
drivers/scsi/pmcraid.c Normal file
View File

File diff suppressed because it is too large Load Diff

1029
drivers/scsi/pmcraid.h Normal file
View File

File diff suppressed because it is too large Load Diff

9
drivers/scsi/qla2xxx/qla_attr.c
View File

@ -1670,7 +1670,7 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
qla24xx_vport_disable(fc_vport, disable);
if (ql2xmultique_tag) {
if (ha->flags.cpu_affinity_enabled) {
req = ha->req_q_map[1];
goto vport_queue;
} else if (ql2xmaxqueues == 1 || !ha->npiv_info)
@ -1736,6 +1736,11 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
qla24xx_deallocate_vp_id(vha);
mutex_lock(&ha->vport_lock);
ha->cur_vport_count--;
clear_bit(vha->vp_idx, ha->vp_idx_map);
mutex_unlock(&ha->vport_lock);
if (vha->timer_active) {
qla2x00_vp_stop_timer(vha);
DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p "
@ -1743,7 +1748,7 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
vha->host_no, vha->vp_idx, vha));
}
if (vha->req->id && !ql2xmultique_tag) {
if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
qla_printk(KERN_WARNING, ha,
"Queue delete failed.\n");

39
drivers/scsi/qla2xxx/qla_def.h
View File

@ -189,6 +189,7 @@ struct req_que;
*/
typedef struct srb {
struct fc_port *fcport;
uint32_t handle;
struct scsi_cmnd *cmd; /* Linux SCSI command pkt */
@ -196,6 +197,8 @@ typedef struct srb {
uint32_t request_sense_length;
uint8_t *request_sense_ptr;
void *ctx;
} srb_t;
/*
@ -203,6 +206,28 @@ typedef struct srb {
*/
#define SRB_DMA_VALID BIT_0 /* Command sent to ISP */
/*
* SRB extensions.
*/
struct srb_ctx {
#define SRB_LOGIN_CMD 1
#define SRB_LOGOUT_CMD 2
uint16_t type;
struct timer_list timer;
void (*free)(srb_t *sp);
void (*timeout)(srb_t *sp);
};
struct srb_logio {
struct srb_ctx ctx;
#define SRB_LOGIN_RETRIED BIT_0
#define SRB_LOGIN_COND_PLOGI BIT_1
#define SRB_LOGIN_SKIP_PRLI BIT_2
uint16_t flags;
};
/*
* ISP I/O Register Set structure definitions.
*/
@ -1482,7 +1507,7 @@ typedef union {
uint8_t domain;
uint8_t area;
uint8_t al_pa;
#elif __LITTLE_ENDIAN
#elif defined(__LITTLE_ENDIAN)
uint8_t al_pa;
uint8_t area;
uint8_t domain;
@ -1565,6 +1590,7 @@ typedef struct fc_port {
#define FCF_FABRIC_DEVICE BIT_0
#define FCF_LOGIN_NEEDED BIT_1
#define FCF_TAPE_PRESENT BIT_2
#define FCF_FCP2_DEVICE BIT_3
/* No loop ID flag. */
#define FC_NO_LOOP_ID 0x1000
@ -2093,6 +2119,10 @@ struct qla_msix_entry {
enum qla_work_type {
QLA_EVT_AEN,
QLA_EVT_IDC_ACK,
QLA_EVT_ASYNC_LOGIN,
QLA_EVT_ASYNC_LOGIN_DONE,
QLA_EVT_ASYNC_LOGOUT,
QLA_EVT_ASYNC_LOGOUT_DONE,
};
@ -2111,6 +2141,11 @@ struct qla_work_evt {
#define QLA_IDC_ACK_REGS 7
uint16_t mb[QLA_IDC_ACK_REGS];
} idc_ack;
struct {
struct fc_port *fcport;
#define QLA_LOGIO_LOGIN_RETRIED BIT_0
u16 data[2];
} logio;
} u;
};
@ -2224,6 +2259,7 @@ struct qla_hw_data {
uint32_t chip_reset_done :1;
uint32_t port0 :1;
uint32_t running_gold_fw :1;
uint32_t cpu_affinity_enabled :1;
} flags;
/* This spinlock is used to protect "io transactions", you must
@ -2350,6 +2386,7 @@ struct qla_hw_data {
(ha)->flags.msix_enabled)
#define IS_FAC_REQUIRED(ha) (IS_QLA81XX(ha))
#define IS_NOCACHE_VPD_TYPE(ha) (IS_QLA81XX(ha))
#define IS_ALOGIO_CAPABLE(ha) (IS_QLA23XX(ha) || IS_FWI2_CAPABLE(ha))
#define IS_IIDMA_CAPABLE(ha) ((ha)->device_type & DT_IIDMA)
#define IS_FWI2_CAPABLE(ha) ((ha)->device_type & DT_FWI2)

2
drivers/scsi/qla2xxx/qla_fw.h
View File

@ -1126,7 +1126,7 @@ struct vp_config_entry_24xx {
uint16_t id;
uint16_t reserved_4;
uint16_t hopct;
uint8_t reserved_5;
uint8_t reserved_5[2];
};
#define VP_RPT_ID_IOCB_TYPE 0x32 /* Report ID Acquisition entry. */

20
drivers/scsi/qla2xxx/qla_gbl.h
View File

@ -52,6 +52,14 @@ extern void qla2x00_try_to_stop_firmware(scsi_qla_host_t *);
extern void qla84xx_put_chip(struct scsi_qla_host *);
extern int qla2x00_async_login(struct scsi_qla_host *, fc_port_t *,
uint16_t *);
extern int qla2x00_async_logout(struct scsi_qla_host *, fc_port_t *);
extern int qla2x00_async_login_done(struct scsi_qla_host *, fc_port_t *,
uint16_t *);
extern int qla2x00_async_logout_done(struct scsi_qla_host *, fc_port_t *,
uint16_t *);
/*
* Global Data in qla_os.c source file.
*/
@ -76,6 +84,15 @@ extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
extern int qla2x00_post_aen_work(struct scsi_qla_host *, enum
fc_host_event_code, u32);
extern int qla2x00_post_idc_ack_work(struct scsi_qla_host *, uint16_t *);
extern int qla2x00_post_async_login_work(struct scsi_qla_host *, fc_port_t *,
uint16_t *);
extern int qla2x00_post_async_login_done_work(struct scsi_qla_host *,
fc_port_t *, uint16_t *);
extern int qla2x00_post_async_logout_work(struct scsi_qla_host *, fc_port_t *,
uint16_t *);
extern int qla2x00_post_async_logout_done_work(struct scsi_qla_host *,
fc_port_t *, uint16_t *);
extern int qla81xx_restart_mpi_firmware(scsi_qla_host_t *);
extern void qla2x00_abort_fcport_cmds(fc_port_t *);
@ -83,6 +100,8 @@ extern struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *,
struct qla_hw_data *);
extern void qla2x00_free_host(struct scsi_qla_host *);
extern void qla2x00_relogin(struct scsi_qla_host *);
extern void qla2x00_do_work(struct scsi_qla_host *);
/*
* Global Functions in qla_mid.c source file.
*/
@ -135,6 +154,7 @@ int qla2x00_marker(struct scsi_qla_host *, struct req_que *, struct rsp_que *,
uint16_t, uint16_t, uint8_t);
int __qla2x00_marker(struct scsi_qla_host *, struct req_que *, struct rsp_que *,
uint16_t, uint16_t, uint8_t);
extern int qla2x00_start_sp(srb_t *);
/*
* Global Function Prototypes in qla_mbx.c source file.

4
drivers/scsi/qla2xxx/qla_gs.c
View File

@ -1674,6 +1674,10 @@ int
qla2x00_fdmi_register(scsi_qla_host_t *vha)
{
int rval;
struct qla_hw_data *ha = vha->hw;
if (IS_QLA2100(ha) || IS_QLA2200(ha))
return QLA_FUNCTION_FAILED;
rval = qla2x00_mgmt_svr_login(vha);
if (rval)

239
drivers/scsi/qla2xxx/qla_init.c
View File

@ -40,6 +40,210 @@ static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
static int qla84xx_init_chip(scsi_qla_host_t *);
static int qla25xx_init_queues(struct qla_hw_data *);
/* SRB Extensions ---------------------------------------------------------- */
static void
qla2x00_ctx_sp_timeout(unsigned long __data)
{
srb_t *sp = (srb_t *)__data;
struct srb_ctx *ctx;
fc_port_t *fcport = sp->fcport;
struct qla_hw_data *ha = fcport->vha->hw;
struct req_que *req;
unsigned long flags;
spin_lock_irqsave(&ha->hardware_lock, flags);
req = ha->req_q_map[0];
req->outstanding_cmds[sp->handle] = NULL;
ctx = sp->ctx;
ctx->timeout(sp);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
ctx->free(sp);
}
static void
qla2x00_ctx_sp_free(srb_t *sp)
{
struct srb_ctx *ctx = sp->ctx;
kfree(ctx);
mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
}
inline srb_t *
qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
unsigned long tmo)
{
srb_t *sp;
struct qla_hw_data *ha = vha->hw;
struct srb_ctx *ctx;
sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
if (!sp)
goto done;
ctx = kzalloc(size, GFP_KERNEL);
if (!ctx) {
mempool_free(sp, ha->srb_mempool);
goto done;
}
memset(sp, 0, sizeof(*sp));
sp->fcport = fcport;
sp->ctx = ctx;
ctx->free = qla2x00_ctx_sp_free;
init_timer(&ctx->timer);
if (!tmo)
goto done;
ctx->timer.expires = jiffies + tmo * HZ;
ctx->timer.data = (unsigned long)sp;
ctx->timer.function = qla2x00_ctx_sp_timeout;
add_timer(&ctx->timer);
done:
return sp;
}
/* Asynchronous Login/Logout Routines -------------------------------------- */
#define ELS_TMO_2_RATOV(ha) ((ha)->r_a_tov / 10 * 2)
static void
qla2x00_async_logio_timeout(srb_t *sp)
{
fc_port_t *fcport = sp->fcport;
struct srb_logio *lio = sp->ctx;
DEBUG2(printk(KERN_WARNING
"scsi(%ld:%x): Async-%s timeout.\n",
fcport->vha->host_no, sp->handle,
lio->ctx.type == SRB_LOGIN_CMD ? "login": "logout"));
if (lio->ctx.type == SRB_LOGIN_CMD)
qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
}
int
qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
uint16_t *data)
{
struct qla_hw_data *ha = vha->hw;
srb_t *sp;
struct srb_logio *lio;
int rval;
rval = QLA_FUNCTION_FAILED;
sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
ELS_TMO_2_RATOV(ha) + 2);
if (!sp)
goto done;
lio = sp->ctx;
lio->ctx.type = SRB_LOGIN_CMD;
lio->ctx.timeout = qla2x00_async_logio_timeout;
lio->flags |= SRB_LOGIN_COND_PLOGI;
if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
lio->flags |= SRB_LOGIN_RETRIED;
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS)
goto done_free_sp;
DEBUG2(printk(KERN_DEBUG
"scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
"retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
fcport->login_retry));
return rval;
done_free_sp:
del_timer_sync(&lio->ctx.timer);
lio->ctx.free(sp);
done:
return rval;
}
int
qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
{
struct qla_hw_data *ha = vha->hw;
srb_t *sp;
struct srb_logio *lio;
int rval;
rval = QLA_FUNCTION_FAILED;
sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
ELS_TMO_2_RATOV(ha) + 2);
if (!sp)
goto done;
lio = sp->ctx;
lio->ctx.type = SRB_LOGOUT_CMD;
lio->ctx.timeout = qla2x00_async_logio_timeout;
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS)
goto done_free_sp;
DEBUG2(printk(KERN_DEBUG
"scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
fcport->vha->host_no, sp->handle, fcport->loop_id,
fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
return rval;
done_free_sp:
del_timer_sync(&lio->ctx.timer);
lio->ctx.free(sp);
done:
return rval;
}
int
qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
uint16_t *data)
{
int rval;
uint8_t opts = 0;
switch (data[0]) {
case MBS_COMMAND_COMPLETE:
if (fcport->flags & FCF_TAPE_PRESENT)
opts |= BIT_1;
rval = qla2x00_get_port_database(vha, fcport, opts);
if (rval != QLA_SUCCESS)
qla2x00_mark_device_lost(vha, fcport, 1, 0);
else
qla2x00_update_fcport(vha, fcport);
break;
case MBS_COMMAND_ERROR:
if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
else
qla2x00_mark_device_lost(vha, fcport, 1, 0);
break;
case MBS_PORT_ID_USED:
fcport->loop_id = data[1];
qla2x00_post_async_login_work(vha, fcport, NULL);
break;
case MBS_LOOP_ID_USED:
fcport->loop_id++;
rval = qla2x00_find_new_loop_id(vha, fcport);
if (rval != QLA_SUCCESS) {
qla2x00_mark_device_lost(vha, fcport, 1, 0);
break;
}
qla2x00_post_async_login_work(vha, fcport, NULL);
break;
}
return QLA_SUCCESS;
}
int
qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
uint16_t *data)
{
qla2x00_mark_device_lost(vha, fcport, 1, 0);
return QLA_SUCCESS;
}
/****************************************************************************/
/* QLogic ISP2x00 Hardware Support Functions. */
/****************************************************************************/
@ -987,7 +1191,6 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
ha->phy_version);
if (rval != QLA_SUCCESS)
goto failed;
ha->flags.npiv_supported = 0;
if (IS_QLA2XXX_MIDTYPE(ha) &&
(ha->fw_attributes & BIT_2)) {
@ -1591,7 +1794,8 @@ qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
char *st, *en;
uint16_t index;
struct qla_hw_data *ha = vha->hw;
int use_tbl = !IS_QLA25XX(ha) && !IS_QLA81XX(ha);
int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
!IS_QLA81XX(ha);
if (memcmp(model, BINZERO, len) != 0) {
strncpy(ha->model_number, model, len);
@ -1978,7 +2182,7 @@ qla2x00_rport_del(void *data)
struct fc_rport *rport;
spin_lock_irq(fcport->vha->host->host_lock);
rport = fcport->drport;
rport = fcport->drport ? fcport->drport: fcport->rport;
fcport->drport = NULL;
spin_unlock_irq(fcport->vha->host->host_lock);
if (rport)
@ -2345,8 +2549,7 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
struct fc_rport *rport;
struct qla_hw_data *ha = vha->hw;
if (fcport->drport)
qla2x00_rport_del(fcport);
qla2x00_rport_del(fcport);
rport_ids.node_name = wwn_to_u64(fcport->node_name);
rport_ids.port_name = wwn_to_u64(fcport->port_name);
@ -3039,6 +3242,12 @@ qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
rval = QLA_SUCCESS;
retry = 0;
if (IS_ALOGIO_CAPABLE(ha)) {
rval = qla2x00_post_async_login_work(vha, fcport, NULL);
if (!rval)
return rval;
}
rval = qla2x00_fabric_login(vha, fcport, next_loopid);
if (rval == QLA_SUCCESS) {
/* Send an ADISC to tape devices.*/
@ -3133,7 +3342,7 @@ qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
} else {
fcport->port_type = FCT_TARGET;
if (mb[1] & BIT_1) {
fcport->flags |= FCF_TAPE_PRESENT;
fcport->flags |= FCF_FCP2_DEVICE;
}
}
@ -3244,7 +3453,7 @@ qla2x00_loop_resync(scsi_qla_host_t *vha)
struct req_que *req;
struct rsp_que *rsp;
if (ql2xmultique_tag)
if (vha->hw->flags.cpu_affinity_enabled)
req = vha->hw->req_q_map[0];
else
req = vha->req;
@ -3286,15 +3495,17 @@ qla2x00_loop_resync(scsi_qla_host_t *vha)
}
void
qla2x00_update_fcports(scsi_qla_host_t *vha)
qla2x00_update_fcports(scsi_qla_host_t *base_vha)
{
fc_port_t *fcport;
struct scsi_qla_host *tvp, *vha;
/* Go with deferred removal of rport references. */
list_for_each_entry(fcport, &vha->vp_fcports, list)
if (fcport && fcport->drport &&
atomic_read(&fcport->state) != FCS_UNCONFIGURED)
qla2x00_rport_del(fcport);
list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list)
list_for_each_entry(fcport, &vha->vp_fcports, list)
if (fcport && fcport->drport &&
atomic_read(&fcport->state) != FCS_UNCONFIGURED)
qla2x00_rport_del(fcport);
}
/*
@ -3331,8 +3542,6 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
qla2x00_mark_all_devices_lost(vha, 0);
list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
qla2x00_mark_all_devices_lost(vp, 0);
} else {
if (!atomic_read(&vha->loop_down_timer))
atomic_set(&vha->loop_down_timer,
@ -4264,7 +4473,7 @@ qla24xx_configure_vhba(scsi_qla_host_t *vha)
return -EINVAL;
rval = qla2x00_fw_ready(base_vha);
if (ql2xmultique_tag)
if (ha->flags.cpu_affinity_enabled)
req = ha->req_q_map[0];
else
req = vha->req;

206
drivers/scsi/qla2xxx/qla_iocb.c
View File

@ -350,6 +350,7 @@ qla2x00_start_scsi(srb_t *sp)
/* Build command packet */
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
sp->handle = handle;
sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
req->cnt -= req_cnt;
@ -778,6 +779,7 @@ qla24xx_start_scsi(srb_t *sp)
/* Build command packet. */
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
sp->handle = handle;
sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
req->cnt -= req_cnt;
@ -852,9 +854,211 @@ static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp)
struct qla_hw_data *ha = sp->fcport->vha->hw;
int affinity = cmd->request->cpu;
if (ql2xmultique_tag && affinity >= 0 &&
if (ha->flags.cpu_affinity_enabled && affinity >= 0 &&
affinity < ha->max_rsp_queues - 1)
*rsp = ha->rsp_q_map[affinity + 1];
else
*rsp = ha->rsp_q_map[0];
}
/* Generic Control-SRB manipulation functions. */
static void *
qla2x00_alloc_iocbs(srb_t *sp)
{
scsi_qla_host_t *vha = sp->fcport->vha;
struct qla_hw_data *ha = vha->hw;
struct req_que *req = ha->req_q_map[0];
device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
uint32_t index, handle;
request_t *pkt;
uint16_t cnt, req_cnt;
pkt = NULL;
req_cnt = 1;
/* Check for room in outstanding command list. */
handle = req->current_outstanding_cmd;
for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
handle++;
if (handle == MAX_OUTSTANDING_COMMANDS)
handle = 1;
if (!req->outstanding_cmds[handle])
break;
}
if (index == MAX_OUTSTANDING_COMMANDS)
goto queuing_error;
/* Check for room on request queue. */
if (req->cnt < req_cnt) {
if (ha->mqenable)
cnt = RD_REG_DWORD(&reg->isp25mq.req_q_out);
else if (IS_FWI2_CAPABLE(ha))
cnt = RD_REG_DWORD(&reg->isp24.req_q_out);
else
cnt = qla2x00_debounce_register(
ISP_REQ_Q_OUT(ha, &reg->isp));
if (req->ring_index < cnt)
req->cnt = cnt - req->ring_index;
else
req->cnt = req->length -
(req->ring_index - cnt);
}
if (req->cnt < req_cnt)
goto queuing_error;
/* Prep packet */
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
req->cnt -= req_cnt;
pkt = req->ring_ptr;
memset(pkt, 0, REQUEST_ENTRY_SIZE);
pkt->entry_count = req_cnt;
pkt->handle = handle;
sp->handle = handle;
queuing_error:
return pkt;
}
static void
qla2x00_start_iocbs(srb_t *sp)
{
struct qla_hw_data *ha = sp->fcport->vha->hw;
struct req_que *req = ha->req_q_map[0];
device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
/* Adjust ring index. */
req->ring_index++;
if (req->ring_index == req->length) {
req->ring_index = 0;
req->ring_ptr = req->ring;
} else
req->ring_ptr++;
/* Set chip new ring index. */
if (ha->mqenable) {
WRT_REG_DWORD(&reg->isp25mq.req_q_in, req->ring_index);
RD_REG_DWORD(&ioreg->hccr);
} else if (IS_FWI2_CAPABLE(ha)) {
WRT_REG_DWORD(&reg->isp24.req_q_in, req->ring_index);
RD_REG_DWORD_RELAXED(&reg->isp24.req_q_in);
} else {
WRT_REG_WORD(ISP_REQ_Q_IN(ha, &reg->isp), req->ring_index);
RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
}
}
static void
qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio)
{
struct srb_logio *lio = sp->ctx;
logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI);
if (lio->flags & SRB_LOGIN_COND_PLOGI)
logio->control_flags |= cpu_to_le16(LCF_COND_PLOGI);
if (lio->flags & SRB_LOGIN_SKIP_PRLI)
logio->control_flags |= cpu_to_le16(LCF_SKIP_PRLI);
logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
logio->port_id[0] = sp->fcport->d_id.b.al_pa;
logio->port_id[1] = sp->fcport->d_id.b.area;
logio->port_id[2] = sp->fcport->d_id.b.domain;
logio->vp_index = sp->fcport->vp_idx;
}
static void
qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx)
{
struct qla_hw_data *ha = sp->fcport->vha->hw;
struct srb_logio *lio = sp->ctx;
uint16_t opts;
mbx->entry_type = MBX_IOCB_TYPE;;
SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
mbx->mb0 = cpu_to_le16(MBC_LOGIN_FABRIC_PORT);
opts = lio->flags & SRB_LOGIN_COND_PLOGI ? BIT_0: 0;
opts |= lio->flags & SRB_LOGIN_SKIP_PRLI ? BIT_1: 0;
if (HAS_EXTENDED_IDS(ha)) {
mbx->mb1 = cpu_to_le16(sp->fcport->loop_id);
mbx->mb10 = cpu_to_le16(opts);
} else {
mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | opts);
}
mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
sp->fcport->d_id.b.al_pa);
mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
}
static void
qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio)
{
logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
logio->control_flags =
cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO);
logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
logio->port_id[0] = sp->fcport->d_id.b.al_pa;
logio->port_id[1] = sp->fcport->d_id.b.area;
logio->port_id[2] = sp->fcport->d_id.b.domain;
logio->vp_index = sp->fcport->vp_idx;
}
static void
qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx)
{
struct qla_hw_data *ha = sp->fcport->vha->hw;
mbx->entry_type = MBX_IOCB_TYPE;;
SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
mbx->mb0 = cpu_to_le16(MBC_LOGOUT_FABRIC_PORT);
mbx->mb1 = HAS_EXTENDED_IDS(ha) ?
cpu_to_le16(sp->fcport->loop_id):
cpu_to_le16(sp->fcport->loop_id << 8);
mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
sp->fcport->d_id.b.al_pa);
mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
/* Implicit: mbx->mbx10 = 0. */
}
int
qla2x00_start_sp(srb_t *sp)
{
int rval;
struct qla_hw_data *ha = sp->fcport->vha->hw;
void *pkt;
struct srb_ctx *ctx = sp->ctx;
unsigned long flags;
rval = QLA_FUNCTION_FAILED;
spin_lock_irqsave(&ha->hardware_lock, flags);
pkt = qla2x00_alloc_iocbs(sp);
if (!pkt)
goto done;
rval = QLA_SUCCESS;
switch (ctx->type) {
case SRB_LOGIN_CMD:
IS_FWI2_CAPABLE(ha) ?
qla24xx_login_iocb(sp, pkt):
qla2x00_login_iocb(sp, pkt);
break;
case SRB_LOGOUT_CMD:
IS_FWI2_CAPABLE(ha) ?
qla24xx_logout_iocb(sp, pkt):
qla2x00_logout_iocb(sp, pkt);
break;
default:
break;
}
wmb();
qla2x00_start_iocbs(sp);
done:
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return rval;
}

309
drivers/scsi/qla2xxx/qla_isr.c
View File

@ -598,9 +598,54 @@ skip_rio:
break;
case MBA_PORT_UPDATE: /* Port database update */
/* Only handle SCNs for our Vport index. */
if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff))
/*
* Handle only global and vn-port update events
*
* Relevant inputs:
* mb[1] = N_Port handle of changed port
* OR 0xffff for global event
* mb[2] = New login state
* 7 = Port logged out
* mb[3] = LSB is vp_idx, 0xff = all vps
*
* Skip processing if:
* Event is global, vp_idx is NOT all vps,
* vp_idx does not match
* Event is not global, vp_idx does not match
*/
if ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff)
|| (mb[1] != 0xffff)) {
if (vha->vp_idx != (mb[3] & 0xff))
break;
}
/* Global event -- port logout or port unavailable. */
if (mb[1] == 0xffff && mb[2] == 0x7) {
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
vha->host_no));
DEBUG(printk(KERN_INFO
"scsi(%ld): Port unavailable %04x %04x %04x.\n",
vha->host_no, mb[1], mb[2], mb[3]));
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
atomic_set(&vha->loop_down_timer,
LOOP_DOWN_TIME);
vha->device_flags |= DFLG_NO_CABLE;
qla2x00_mark_all_devices_lost(vha, 1);
}
if (vha->vp_idx) {
atomic_set(&vha->vp_state, VP_FAILED);
fc_vport_set_state(vha->fc_vport,
FC_VPORT_FAILED);
qla2x00_mark_all_devices_lost(vha, 1);
}
vha->flags.management_server_logged_in = 0;
ha->link_data_rate = PORT_SPEED_UNKNOWN;
break;
}
/*
* If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
@ -640,8 +685,9 @@ skip_rio:
if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
break;
/* Only handle SCNs for our Vport index. */
if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff))
if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
break;
DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
vha->host_no));
DEBUG(printk(KERN_INFO
@ -874,6 +920,249 @@ qla2x00_process_completed_request(struct scsi_qla_host *vha,
}
}
static srb_t *
qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
struct req_que *req, void *iocb)
{
struct qla_hw_data *ha = vha->hw;
sts_entry_t *pkt = iocb;
srb_t *sp = NULL;
uint16_t index;
index = LSW(pkt->handle);
if (index >= MAX_OUTSTANDING_COMMANDS) {
qla_printk(KERN_WARNING, ha,
"%s: Invalid completion handle (%x).\n", func, index);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
goto done;
}
sp = req->outstanding_cmds[index];
if (!sp) {
qla_printk(KERN_WARNING, ha,
"%s: Invalid completion handle (%x) -- timed-out.\n", func,
index);
return sp;
}
if (sp->handle != index) {
qla_printk(KERN_WARNING, ha,
"%s: SRB handle (%x) mismatch %x.\n", func, sp->handle,
index);
return NULL;
}
req->outstanding_cmds[index] = NULL;
done:
return sp;
}
static void
qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
struct mbx_entry *mbx)
{
const char func[] = "MBX-IOCB";
const char *type;
struct qla_hw_data *ha = vha->hw;
fc_port_t *fcport;
srb_t *sp;
struct srb_logio *lio;
uint16_t data[2];
sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
if (!sp)
return;
type = NULL;
lio = sp->ctx;
switch (lio->ctx.type) {
case SRB_LOGIN_CMD:
type = "login";
break;
case SRB_LOGOUT_CMD:
type = "logout";
break;
default:
qla_printk(KERN_WARNING, ha,
"%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
lio->ctx.type);
return;
}
del_timer(&lio->ctx.timer);
fcport = sp->fcport;
data[0] = data[1] = 0;
if (mbx->entry_status) {
DEBUG2(printk(KERN_WARNING
"scsi(%ld:%x): Async-%s error entry - entry-status=%x "
"status=%x state-flag=%x status-flags=%x.\n",
fcport->vha->host_no, sp->handle, type,
mbx->entry_status, le16_to_cpu(mbx->status),
le16_to_cpu(mbx->state_flags),
le16_to_cpu(mbx->status_flags)));
DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx, sizeof(*mbx)));
data[0] = MBS_COMMAND_ERROR;
data[1] = lio->flags & SRB_LOGIN_RETRIED ?
QLA_LOGIO_LOGIN_RETRIED: 0;
goto done_post_logio_done_work;
}
if (!mbx->status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
DEBUG2(printk(KERN_DEBUG
"scsi(%ld:%x): Async-%s complete - mbx1=%x.\n",
fcport->vha->host_no, sp->handle, type,
le16_to_cpu(mbx->mb1)));
data[0] = MBS_COMMAND_COMPLETE;
if (lio->ctx.type == SRB_LOGIN_CMD && le16_to_cpu(mbx->mb1) & BIT_1)
fcport->flags |= FCF_FCP2_DEVICE;
goto done_post_logio_done_work;
}
data[0] = le16_to_cpu(mbx->mb0);
switch (data[0]) {
case MBS_PORT_ID_USED:
data[1] = le16_to_cpu(mbx->mb1);
break;
case MBS_LOOP_ID_USED:
break;
default:
data[0] = MBS_COMMAND_ERROR;
data[1] = lio->flags & SRB_LOGIN_RETRIED ?
QLA_LOGIO_LOGIN_RETRIED: 0;
break;
}
DEBUG2(printk(KERN_WARNING
"scsi(%ld:%x): Async-%s failed - status=%x mb0=%x mb1=%x mb2=%x "
"mb6=%x mb7=%x.\n",
fcport->vha->host_no, sp->handle, type, le16_to_cpu(mbx->status),
le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
le16_to_cpu(mbx->mb7)));
done_post_logio_done_work:
lio->ctx.type == SRB_LOGIN_CMD ?
qla2x00_post_async_login_done_work(fcport->vha, fcport, data):
qla2x00_post_async_logout_done_work(fcport->vha, fcport, data);
lio->ctx.free(sp);
}
static void
qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
struct logio_entry_24xx *logio)
{
const char func[] = "LOGIO-IOCB";
const char *type;
struct qla_hw_data *ha = vha->hw;
fc_port_t *fcport;
srb_t *sp;
struct srb_logio *lio;
uint16_t data[2];
uint32_t iop[2];
sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
if (!sp)
return;
type = NULL;
lio = sp->ctx;
switch (lio->ctx.type) {
case SRB_LOGIN_CMD:
type = "login";
break;
case SRB_LOGOUT_CMD:
type = "logout";
break;
default:
qla_printk(KERN_WARNING, ha,
"%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
lio->ctx.type);
return;
}
del_timer(&lio->ctx.timer);
fcport = sp->fcport;
data[0] = data[1] = 0;
if (logio->entry_status) {
DEBUG2(printk(KERN_WARNING
"scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n",
fcport->vha->host_no, sp->handle, type,
logio->entry_status));
DEBUG2(qla2x00_dump_buffer((uint8_t *)logio, sizeof(*logio)));
data[0] = MBS_COMMAND_ERROR;
data[1] = lio->flags & SRB_LOGIN_RETRIED ?
QLA_LOGIO_LOGIN_RETRIED: 0;
goto done_post_logio_done_work;
}
if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
DEBUG2(printk(KERN_DEBUG
"scsi(%ld:%x): Async-%s complete - iop0=%x.\n",
fcport->vha->host_no, sp->handle, type,
le32_to_cpu(logio->io_parameter[0])));
data[0] = MBS_COMMAND_COMPLETE;
if (lio->ctx.type == SRB_LOGOUT_CMD)
goto done_post_logio_done_work;
iop[0] = le32_to_cpu(logio->io_parameter[0]);
if (iop[0] & BIT_4) {
fcport->port_type = FCT_TARGET;
if (iop[0] & BIT_8)
fcport->flags |= FCF_FCP2_DEVICE;
}
if (iop[0] & BIT_5)
fcport->port_type = FCT_INITIATOR;
if (logio->io_parameter[7] || logio->io_parameter[8])
fcport->supported_classes |= FC_COS_CLASS2;
if (logio->io_parameter[9] || logio->io_parameter[10])
fcport->supported_classes |= FC_COS_CLASS3;
goto done_post_logio_done_work;
}
iop[0] = le32_to_cpu(logio->io_parameter[0]);
iop[1] = le32_to_cpu(logio->io_parameter[1]);
switch (iop[0]) {
case LSC_SCODE_PORTID_USED:
data[0] = MBS_PORT_ID_USED;
data[1] = LSW(iop[1]);
break;
case LSC_SCODE_NPORT_USED:
data[0] = MBS_LOOP_ID_USED;
break;
case LSC_SCODE_CMD_FAILED:
if ((iop[1] & 0xff) == 0x05) {
data[0] = MBS_NOT_LOGGED_IN;
break;
}
/* Fall through. */
default:
data[0] = MBS_COMMAND_ERROR;
data[1] = lio->flags & SRB_LOGIN_RETRIED ?
QLA_LOGIO_LOGIN_RETRIED: 0;
break;
}
DEBUG2(printk(KERN_WARNING
"scsi(%ld:%x): Async-%s failed - comp=%x iop0=%x iop1=%x.\n",
fcport->vha->host_no, sp->handle, type,
le16_to_cpu(logio->comp_status),
le32_to_cpu(logio->io_parameter[0]),
le32_to_cpu(logio->io_parameter[1])));
done_post_logio_done_work:
lio->ctx.type == SRB_LOGIN_CMD ?
qla2x00_post_async_login_done_work(fcport->vha, fcport, data):
qla2x00_post_async_logout_done_work(fcport->vha, fcport, data);
lio->ctx.free(sp);
}
/**
* qla2x00_process_response_queue() - Process response queue entries.
* @ha: SCSI driver HA context
@ -935,6 +1224,9 @@ qla2x00_process_response_queue(struct rsp_que *rsp)
case STATUS_CONT_TYPE:
qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
break;
case MBX_IOCB_TYPE:
qla2x00_mbx_iocb_entry(vha, rsp->req,
(struct mbx_entry *)pkt);
default:
/* Type Not Supported. */
DEBUG4(printk(KERN_WARNING
@ -1223,6 +1515,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
cp->device->id, cp->device->lun, resid,
scsi_bufflen(cp)));
scsi_set_resid(cp, resid);
cp->result = DID_ERROR << 16;
break;
}
@ -1544,6 +1837,10 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
qla24xx_report_id_acquisition(vha,
(struct vp_rpt_id_entry_24xx *)pkt);
break;
case LOGINOUT_PORT_IOCB_TYPE:
qla24xx_logio_entry(vha, rsp->req,
(struct logio_entry_24xx *)pkt);
break;
default:
/* Type Not Supported. */
DEBUG4(printk(KERN_WARNING
@ -1723,8 +2020,10 @@ qla24xx_msix_rsp_q(int irq, void *dev_id)
vha = qla25xx_get_host(rsp);
qla24xx_process_response_queue(vha, rsp);
WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
if (!ha->mqenable) {
WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
RD_REG_DWORD_RELAXED(&reg->hccr);
}
spin_unlock_irq(&ha->hardware_lock);
return IRQ_HANDLED;

7
drivers/scsi/qla2xxx/qla_mbx.c
View File

@ -1507,7 +1507,7 @@ qla24xx_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
if (ql2xmultique_tag)
if (ha->flags.cpu_affinity_enabled)
req = ha->req_q_map[0];
else
req = vha->req;
@ -2324,7 +2324,7 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
vha = fcport->vha;
ha = vha->hw;
req = vha->req;
if (ql2xmultique_tag)
if (ha->flags.cpu_affinity_enabled)
rsp = ha->rsp_q_map[tag + 1];
else
rsp = req->rsp;
@ -2746,7 +2746,8 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
if (rptid_entry->format == 0) {
DEBUG15(printk("%s:format 0 : scsi(%ld) number of VPs setup %d,"
" number of VPs acquired %d\n", __func__, vha->host_no,
MSB(rptid_entry->vp_count), LSB(rptid_entry->vp_count)));
MSB(le16_to_cpu(rptid_entry->vp_count)),
LSB(le16_to_cpu(rptid_entry->vp_count))));
DEBUG15(printk("%s primary port id %02x%02x%02x\n", __func__,
rptid_entry->port_id[2], rptid_entry->port_id[1],
rptid_entry->port_id[0]));

27
drivers/scsi/qla2xxx/qla_mid.c
View File

@ -42,7 +42,6 @@ qla24xx_allocate_vp_id(scsi_qla_host_t *vha)
set_bit(vp_id, ha->vp_idx_map);
ha->num_vhosts++;
ha->cur_vport_count++;
vha->vp_idx = vp_id;
list_add_tail(&vha->list, &ha->vp_list);
mutex_unlock(&ha->vport_lock);
@ -58,7 +57,6 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha)
mutex_lock(&ha->vport_lock);
vp_id = vha->vp_idx;
ha->num_vhosts--;
ha->cur_vport_count--;
clear_bit(vp_id, ha->vp_idx_map);
list_del(&vha->list);
mutex_unlock(&ha->vport_lock);
@ -235,7 +233,11 @@ qla2x00_vp_abort_isp(scsi_qla_host_t *vha)
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
}
/* To exclusively reset vport, we need to log it out first.*/
/*
* To exclusively reset vport, we need to log it out first. Note: this
* control_vp can fail if ISP reset is already issued, this is
* expected, as the vp would be already logged out due to ISP reset.
*/
if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL);
@ -247,18 +249,11 @@ qla2x00_vp_abort_isp(scsi_qla_host_t *vha)
static int
qla2x00_do_dpc_vp(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
qla2x00_do_work(vha);
if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) {
/* VP acquired. complete port configuration */
if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
qla24xx_configure_vp(vha);
} else {
set_bit(VP_IDX_ACQUIRED, &vha->vp_flags);
set_bit(VP_DPC_NEEDED, &base_vha->dpc_flags);
}
qla24xx_configure_vp(vha);
return 0;
}
@ -309,6 +304,9 @@ qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha)
clear_bit(VP_DPC_NEEDED, &vha->dpc_flags);
if (!(ha->current_topology & ISP_CFG_F))
return;
list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
if (vp->vp_idx)
ret = qla2x00_do_dpc_vp(vp);
@ -413,6 +411,11 @@ qla24xx_create_vhost(struct fc_vport *fc_vport)
vha->flags.init_done = 1;
mutex_lock(&ha->vport_lock);
set_bit(vha->vp_idx, ha->vp_idx_map);
ha->cur_vport_count++;
mutex_unlock(&ha->vport_lock);
return vha;
create_vhost_failed:

141
drivers/scsi/qla2xxx/qla_os.c
View File

@ -287,9 +287,12 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha)
int ques, req, ret;
struct qla_hw_data *ha = vha->hw;
if (!(ha->fw_attributes & BIT_6)) {
qla_printk(KERN_INFO, ha,
"Firmware is not multi-queue capable\n");
goto fail;
}
if (ql2xmultique_tag) {
/* CPU affinity mode */
ha->wq = create_workqueue("qla2xxx_wq");
/* create a request queue for IO */
options |= BIT_7;
req = qla25xx_create_req_que(ha, options, 0, 0, -1,
@ -299,6 +302,7 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha)
"Can't create request queue\n");
goto fail;
}
ha->wq = create_workqueue("qla2xxx_wq");
vha->req = ha->req_q_map[req];
options |= BIT_1;
for (ques = 1; ques < ha->max_rsp_queues; ques++) {
@ -309,6 +313,8 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha)
goto fail2;
}
}
ha->flags.cpu_affinity_enabled = 1;
DEBUG2(qla_printk(KERN_INFO, ha,
"CPU affinity mode enabled, no. of response"
" queues:%d, no. of request queues:%d\n",
@ -317,8 +323,13 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha)
return 0;
fail2:
qla25xx_delete_queues(vha);
destroy_workqueue(ha->wq);
ha->wq = NULL;
fail:
ha->mqenable = 0;
kfree(ha->req_q_map);
kfree(ha->rsp_q_map);
ha->max_req_queues = ha->max_rsp_queues = 1;
return 1;
}
@ -462,6 +473,7 @@ qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
sp->flags = 0;
CMD_SP(cmd) = (void *)sp;
cmd->scsi_done = done;
sp->ctx = NULL;
return sp;
}
@ -556,11 +568,8 @@ qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
unsigned long wait_iter = ABORT_WAIT_ITER;
int ret = QLA_SUCCESS;
while (CMD_SP(cmd)) {
while (CMD_SP(cmd) && wait_iter--) {
msleep(ABORT_POLLING_PERIOD);
if (--wait_iter)
break;
}
if (CMD_SP(cmd))
ret = QLA_FUNCTION_FAILED;
@ -698,6 +707,8 @@ qla2x00_abort_fcport_cmds(fc_port_t *fcport)
continue;
if (sp->fcport != fcport)
continue;
if (sp->ctx)
continue;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (ha->isp_ops->abort_command(sp)) {
@ -783,7 +794,8 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
if (sp == NULL)
continue;
if (sp->ctx)
continue;
if (sp->cmd != cmd)
continue;
@ -848,7 +860,8 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
sp = req->outstanding_cmds[cnt];
if (!sp)
continue;
if (sp->ctx)
continue;
if (vha->vp_idx != sp->fcport->vha->vp_idx)
continue;
match = 0;
@ -1106,8 +1119,7 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
struct fc_port *fcport;
struct qla_hw_data *ha = vha->hw;
if (ha->flags.enable_lip_full_login && !vha->vp_idx &&
!IS_QLA81XX(ha)) {
if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
ret = qla2x00_full_login_lip(vha);
if (ret != QLA_SUCCESS) {
DEBUG2_3(printk("%s(%ld): failed: "
@ -1120,7 +1132,7 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
qla2x00_wait_for_loop_ready(vha);
}
if (ha->flags.enable_lip_reset && !vha->vp_idx) {
if (ha->flags.enable_lip_reset) {
ret = qla2x00_lip_reset(vha);
if (ret != QLA_SUCCESS) {
DEBUG2_3(printk("%s(%ld): failed: "
@ -1154,6 +1166,7 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
int que, cnt;
unsigned long flags;
srb_t *sp;
struct srb_ctx *ctx;
struct qla_hw_data *ha = vha->hw;
struct req_que *req;
@ -1166,8 +1179,14 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
sp = req->outstanding_cmds[cnt];
if (sp) {
req->outstanding_cmds[cnt] = NULL;
sp->cmd->result = res;
qla2x00_sp_compl(ha, sp);
if (!sp->ctx) {
sp->cmd->result = res;
qla2x00_sp_compl(ha, sp);
} else {
ctx = sp->ctx;
del_timer_sync(&ctx->timer);
ctx->free(sp);
}
}
}
}
@ -1193,6 +1212,7 @@ qla2xxx_slave_configure(struct scsi_device *sdev)
scsi_qla_host_t *vha = shost_priv(sdev->host);
struct qla_hw_data *ha = vha->hw;
struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
struct req_que *req = vha->req;
if (sdev->tagged_supported)
@ -1201,6 +1221,8 @@ qla2xxx_slave_configure(struct scsi_device *sdev)
scsi_deactivate_tcq(sdev, req->max_q_depth);
rport->dev_loss_tmo = ha->port_down_retry_count;
if (sdev->type == TYPE_TAPE)
fcport->flags |= FCF_TAPE_PRESENT;
return 0;
}
@ -1923,6 +1945,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
goto probe_init_failed;
/* Alloc arrays of request and response ring ptrs */
que_init:
if (!qla2x00_alloc_queues(ha)) {
qla_printk(KERN_WARNING, ha,
"[ERROR] Failed to allocate memory for queue"
@ -1959,11 +1982,14 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
goto probe_failed;
}
if (ha->mqenable)
if (qla25xx_setup_mode(base_vha))
if (ha->mqenable) {
if (qla25xx_setup_mode(base_vha)) {
qla_printk(KERN_WARNING, ha,
"Can't create queues, falling back to single"
" queue mode\n");
goto que_init;
}
}
if (ha->flags.running_gold_fw)
goto skip_dpc;
@ -2155,17 +2181,19 @@ qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
int defer)
{
struct fc_rport *rport;
scsi_qla_host_t *base_vha;
if (!fcport->rport)
return;
rport = fcport->rport;
if (defer) {
base_vha = pci_get_drvdata(vha->hw->pdev);
spin_lock_irq(vha->host->host_lock);
fcport->drport = rport;
spin_unlock_irq(vha->host->host_lock);
set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
qla2xxx_wake_dpc(base_vha);
} else
fc_remote_port_delete(rport);
}
@ -2237,8 +2265,9 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
fc_port_t *fcport;
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (vha->vp_idx != fcport->vp_idx)
if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
continue;
/*
* No point in marking the device as lost, if the device is
* already DEAD.
@ -2246,10 +2275,12 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
continue;
if (atomic_read(&fcport->state) == FCS_ONLINE) {
atomic_set(&fcport->state, FCS_DEVICE_LOST);
qla2x00_schedule_rport_del(vha, fcport, defer);
} else
atomic_set(&fcport->state, FCS_DEVICE_LOST);
if (defer)
qla2x00_schedule_rport_del(vha, fcport, defer);
else if (vha->vp_idx == fcport->vp_idx)
qla2x00_schedule_rport_del(vha, fcport, defer);
}
atomic_set(&fcport->state, FCS_DEVICE_LOST);
}
}
@ -2598,7 +2629,31 @@ qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
return qla2x00_post_work(vha, e);
}
static void
#define qla2x00_post_async_work(name, type) \
int qla2x00_post_async_##name##_work( \
struct scsi_qla_host *vha, \
fc_port_t *fcport, uint16_t *data) \
{ \
struct qla_work_evt *e; \
\
e = qla2x00_alloc_work(vha, type); \
if (!e) \
return QLA_FUNCTION_FAILED; \
\
e->u.logio.fcport = fcport; \
if (data) { \
e->u.logio.data[0] = data[0]; \
e->u.logio.data[1] = data[1]; \
} \
return qla2x00_post_work(vha, e); \
}
qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
void
qla2x00_do_work(struct scsi_qla_host *vha)
{
struct qla_work_evt *e, *tmp;
@ -2620,6 +2675,21 @@ qla2x00_do_work(struct scsi_qla_host *vha)
case QLA_EVT_IDC_ACK:
qla81xx_idc_ack(vha, e->u.idc_ack.mb);
break;
case QLA_EVT_ASYNC_LOGIN:
qla2x00_async_login(vha, e->u.logio.fcport,
e->u.logio.data);
break;
case QLA_EVT_ASYNC_LOGIN_DONE:
qla2x00_async_login_done(vha, e->u.logio.fcport,
e->u.logio.data);
break;
case QLA_EVT_ASYNC_LOGOUT:
qla2x00_async_logout(vha, e->u.logio.fcport);
break;
case QLA_EVT_ASYNC_LOGOUT_DONE:
qla2x00_async_logout_done(vha, e->u.logio.fcport,
e->u.logio.data);
break;
}
if (e->flags & QLA_EVT_FLAG_FREE)
kfree(e);
@ -2635,6 +2705,7 @@ void qla2x00_relogin(struct scsi_qla_host *vha)
int status;
uint16_t next_loopid = 0;
struct qla_hw_data *ha = vha->hw;
uint16_t data[2];
list_for_each_entry(fcport, &vha->vp_fcports, list) {
/*
@ -2644,6 +2715,7 @@ void qla2x00_relogin(struct scsi_qla_host *vha)
if (atomic_read(&fcport->state) !=
FCS_ONLINE && fcport->login_retry) {
fcport->login_retry--;
if (fcport->flags & FCF_FABRIC_DEVICE) {
if (fcport->flags & FCF_TAPE_PRESENT)
ha->isp_ops->fabric_logout(vha,
@ -2652,13 +2724,22 @@ void qla2x00_relogin(struct scsi_qla_host *vha)
fcport->d_id.b.area,
fcport->d_id.b.al_pa);
status = qla2x00_fabric_login(vha, fcport,
&next_loopid);
if (IS_ALOGIO_CAPABLE(ha)) {
data[0] = 0;
data[1] = QLA_LOGIO_LOGIN_RETRIED;
status = qla2x00_post_async_login_work(
vha, fcport, data);
if (status == QLA_SUCCESS)
continue;
/* Attempt a retry. */
status = 1;
} else
status = qla2x00_fabric_login(vha,
fcport, &next_loopid);
} else
status = qla2x00_local_device_login(vha,
fcport);
fcport->login_retry--;
if (status == QLA_SUCCESS) {
fcport->old_loop_id = fcport->loop_id;
@ -2831,6 +2912,9 @@ qla2x00_do_dpc(void *data)
*/
ha->dpc_active = 0;
/* Cleanup any residual CTX SRBs. */
qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
return 0;
}
@ -2971,6 +3055,8 @@ qla2x00_timer(scsi_qla_host_t *vha)
sp = req->outstanding_cmds[index];
if (!sp)
continue;
if (sp->ctx)
continue;
sfcp = sp->fcport;
if (!(sfcp->flags & FCF_TAPE_PRESENT))
continue;
@ -2987,8 +3073,7 @@ qla2x00_timer(scsi_qla_host_t *vha)
/* if the loop has been down for 4 minutes, reinit adapter */
if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
if (!(vha->device_flags & DFLG_NO_CABLE) &&
!vha->vp_idx) {
if (!(vha->device_flags & DFLG_NO_CABLE)) {
DEBUG(printk("scsi(%ld): Loop down - "
"aborting ISP.\n",
vha->host_no));

2
drivers/scsi/qla2xxx/qla_version.h
View File

@ -7,7 +7,7 @@
/*
* Driver version
*/
#define QLA2XXX_VERSION "8.03.01-k4"
#define QLA2XXX_VERSION "8.03.01-k6"
#define QLA_DRIVER_MAJOR_VER 8
#define QLA_DRIVER_MINOR_VER 3

8
drivers/scsi/qla4xxx/ql4_isr.c
View File

@ -227,11 +227,11 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
case SCS_DATA_UNDERRUN:
case SCS_DATA_OVERRUN:
if ((sts_entry->iscsiFlags & ISCSI_FLAG_RESIDUAL_OVER) ||
(sts_entry->completionStatus == SCS_DATA_OVERRUN)) {
DEBUG2(printk("scsi%ld:%d:%d:%d: %s: " "Data overrun, "
"residual = 0x%x\n", ha->host_no,
(sts_entry->completionStatus == SCS_DATA_OVERRUN)) {
DEBUG2(printk("scsi%ld:%d:%d:%d: %s: " "Data overrun\n",
ha->host_no,
cmd->device->channel, cmd->device->id,
cmd->device->lun, __func__, residual));
cmd->device->lun, __func__));
cmd->result = DID_ERROR << 16;
break;

13
drivers/scsi/scsi.c
View File

@ -994,7 +994,7 @@ static int scsi_vpd_inquiry(struct scsi_device *sdev, unsigned char *buffer,
* all the existing users tried this hard.
*/
result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer,
len + 4, NULL, 30 * HZ, 3, NULL);
len, NULL, 30 * HZ, 3, NULL);
if (result)
return result;
@ -1021,13 +1021,14 @@ unsigned char *scsi_get_vpd_page(struct scsi_device *sdev, u8 page)
{
int i, result;
unsigned int len;
unsigned char *buf = kmalloc(259, GFP_KERNEL);
const unsigned int init_vpd_len = 255;
unsigned char *buf = kmalloc(init_vpd_len, GFP_KERNEL);
if (!buf)
return NULL;
/* Ask for all the pages supported by this device */
result = scsi_vpd_inquiry(sdev, buf, 0, 255);
result = scsi_vpd_inquiry(sdev, buf, 0, init_vpd_len);
if (result)
goto fail;
@ -1050,12 +1051,12 @@ unsigned char *scsi_get_vpd_page(struct scsi_device *sdev, u8 page)
* Some pages are longer than 255 bytes. The actual length of
* the page is returned in the header.
*/
len = (buf[2] << 8) | buf[3];
if (len <= 255)
len = ((buf[2] << 8) | buf[3]) + 4;
if (len <= init_vpd_len)
return buf;
kfree(buf);
buf = kmalloc(len + 4, GFP_KERNEL);
buf = kmalloc(len, GFP_KERNEL);
result = scsi_vpd_inquiry(sdev, buf, page, len);
if (result)
goto fail;

6
drivers/scsi/scsi_error.c
View File

@ -382,9 +382,13 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd)
* who knows? FIXME(eric)
*/
return SUCCESS;
case RESERVATION_CONFLICT:
/*
* let issuer deal with this, it could be just fine
*/
return SUCCESS;
case BUSY:
case QUEUE_FULL:
case RESERVATION_CONFLICT:
default:
return FAILED;
}

1
drivers/scsi/scsi_lib.c
View File

@ -896,6 +896,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
scsi_print_result(cmd);
if (driver_byte(result) & DRIVER_SENSE)
scsi_print_sense("", cmd);
scsi_print_command(cmd);
}
blk_end_request_all(req, -EIO);
scsi_next_command(cmd);

4
drivers/scsi/scsi_transport_fc.c
View File

@ -291,7 +291,7 @@ static void fc_scsi_scan_rport(struct work_struct *work);
#define FC_STARGET_NUM_ATTRS 3
#define FC_RPORT_NUM_ATTRS 10
#define FC_VPORT_NUM_ATTRS 9
#define FC_HOST_NUM_ATTRS 21
#define FC_HOST_NUM_ATTRS 22
struct fc_internal {
struct scsi_transport_template t;
@ -3432,7 +3432,7 @@ fc_bsg_jobdone(struct fc_bsg_job *job)
/**
* fc_bsg_softirq_done - softirq done routine for destroying the bsg requests
* @req: BSG request that holds the job to be destroyed
* @rq: BSG request that holds the job to be destroyed
*/
static void fc_bsg_softirq_done(struct request *rq)
{

73
drivers/scsi/scsi_transport_iscsi.c
View File

@ -36,6 +36,38 @@
#define ISCSI_TRANSPORT_VERSION "2.0-870"
static int dbg_session;
module_param_named(debug_session, dbg_session, int,
S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug_session,
"Turn on debugging for sessions in scsi_transport_iscsi "
"module. Set to 1 to turn on, and zero to turn off. Default "
"is off.");
static int dbg_conn;
module_param_named(debug_conn, dbg_conn, int,
S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug_conn,
"Turn on debugging for connections in scsi_transport_iscsi "
"module. Set to 1 to turn on, and zero to turn off. Default "
"is off.");
#define ISCSI_DBG_TRANS_SESSION(_session, dbg_fmt, arg...) \
do { \
if (dbg_session) \
iscsi_cls_session_printk(KERN_INFO, _session, \
"%s: " dbg_fmt, \
__func__, ##arg); \
} while (0);
#define ISCSI_DBG_TRANS_CONN(_conn, dbg_fmt, arg...) \
do { \
if (dbg_conn) \
iscsi_cls_conn_printk(KERN_INFO, _conn, \
"%s: " dbg_fmt, \
__func__, ##arg); \
} while (0);
struct iscsi_internal {
struct scsi_transport_template t;
struct iscsi_transport *iscsi_transport;
@ -377,6 +409,7 @@ static void iscsi_session_release(struct device *dev)
shost = iscsi_session_to_shost(session);
scsi_host_put(shost);
ISCSI_DBG_TRANS_SESSION(session, "Completing session release\n");
kfree(session);
}
@ -441,6 +474,9 @@ static int iscsi_user_scan_session(struct device *dev, void *data)
return 0;
session = iscsi_dev_to_session(dev);
ISCSI_DBG_TRANS_SESSION(session, "Scanning session\n");
shost = iscsi_session_to_shost(session);
ihost = shost->shost_data;
@ -448,8 +484,7 @@ static int iscsi_user_scan_session(struct device *dev, void *data)
spin_lock_irqsave(&session->lock, flags);
if (session->state != ISCSI_SESSION_LOGGED_IN) {
spin_unlock_irqrestore(&session->lock, flags);
mutex_unlock(&ihost->mutex);
return 0;
goto user_scan_exit;
}
id = session->target_id;
spin_unlock_irqrestore(&session->lock, flags);
@ -462,7 +497,10 @@ static int iscsi_user_scan_session(struct device *dev, void *data)
scsi_scan_target(&session->dev, 0, id,
scan_data->lun, 1);
}
user_scan_exit:
mutex_unlock(&ihost->mutex);
ISCSI_DBG_TRANS_SESSION(session, "Completed session scan\n");
return 0;
}
@ -522,7 +560,9 @@ static void session_recovery_timedout(struct work_struct *work)
if (session->transport->session_recovery_timedout)
session->transport->session_recovery_timedout(session);
ISCSI_DBG_TRANS_SESSION(session, "Unblocking SCSI target\n");
scsi_target_unblock(&session->dev);
ISCSI_DBG_TRANS_SESSION(session, "Completed unblocking SCSI target\n");
}
static void __iscsi_unblock_session(struct work_struct *work)
@ -534,6 +574,7 @@ static void __iscsi_unblock_session(struct work_struct *work)
struct iscsi_cls_host *ihost = shost->shost_data;
unsigned long flags;
ISCSI_DBG_TRANS_SESSION(session, "Unblocking session\n");
/*
* The recovery and unblock work get run from the same workqueue,
* so try to cancel it if it was going to run after this unblock.
@ -553,6 +594,7 @@ static void __iscsi_unblock_session(struct work_struct *work)
if (scsi_queue_work(shost, &session->scan_work))
atomic_inc(&ihost->nr_scans);
}
ISCSI_DBG_TRANS_SESSION(session, "Completed unblocking session\n");
}
/**
@ -579,10 +621,12 @@ static void __iscsi_block_session(struct work_struct *work)
block_work);
unsigned long flags;
ISCSI_DBG_TRANS_SESSION(session, "Blocking session\n");
spin_lock_irqsave(&session->lock, flags);
session->state = ISCSI_SESSION_FAILED;
spin_unlock_irqrestore(&session->lock, flags);
scsi_target_block(&session->dev);
ISCSI_DBG_TRANS_SESSION(session, "Completed SCSI target blocking\n");
queue_delayed_work(iscsi_eh_timer_workq, &session->recovery_work,
session->recovery_tmo * HZ);
}
@ -602,6 +646,8 @@ static void __iscsi_unbind_session(struct work_struct *work)
struct iscsi_cls_host *ihost = shost->shost_data;
unsigned long flags;
ISCSI_DBG_TRANS_SESSION(session, "Unbinding session\n");
/* Prevent new scans and make sure scanning is not in progress */
mutex_lock(&ihost->mutex);
spin_lock_irqsave(&session->lock, flags);
@ -616,6 +662,7 @@ static void __iscsi_unbind_session(struct work_struct *work)
scsi_remove_target(&session->dev);
iscsi_session_event(session, ISCSI_KEVENT_UNBIND_SESSION);
ISCSI_DBG_TRANS_SESSION(session, "Completed target removal\n");
}
struct iscsi_cls_session *
@ -647,6 +694,8 @@ iscsi_alloc_session(struct Scsi_Host *shost, struct iscsi_transport *transport,
device_initialize(&session->dev);
if (dd_size)
session->dd_data = &session[1];
ISCSI_DBG_TRANS_SESSION(session, "Completed session allocation\n");
return session;
}
EXPORT_SYMBOL_GPL(iscsi_alloc_session);
@ -712,6 +761,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id)
spin_unlock_irqrestore(&sesslock, flags);
iscsi_session_event(session, ISCSI_KEVENT_CREATE_SESSION);
ISCSI_DBG_TRANS_SESSION(session, "Completed session adding\n");
return 0;
release_host:
@ -752,6 +802,7 @@ static void iscsi_conn_release(struct device *dev)
struct iscsi_cls_conn *conn = iscsi_dev_to_conn(dev);
struct device *parent = conn->dev.parent;
ISCSI_DBG_TRANS_CONN(conn, "Releasing conn\n");
kfree(conn);
put_device(parent);
}
@ -774,6 +825,8 @@ void iscsi_remove_session(struct iscsi_cls_session *session)
unsigned long flags;
int err;
ISCSI_DBG_TRANS_SESSION(session, "Removing session\n");
spin_lock_irqsave(&sesslock, flags);
list_del(&session->sess_list);
spin_unlock_irqrestore(&sesslock, flags);
@ -807,12 +860,15 @@ void iscsi_remove_session(struct iscsi_cls_session *session)
"for session. Error %d.\n", err);
transport_unregister_device(&session->dev);
ISCSI_DBG_TRANS_SESSION(session, "Completing session removal\n");
device_del(&session->dev);
}
EXPORT_SYMBOL_GPL(iscsi_remove_session);
void iscsi_free_session(struct iscsi_cls_session *session)
{
ISCSI_DBG_TRANS_SESSION(session, "Freeing session\n");
iscsi_session_event(session, ISCSI_KEVENT_DESTROY_SESSION);
put_device(&session->dev);
}
@ -828,6 +884,7 @@ EXPORT_SYMBOL_GPL(iscsi_free_session);
int iscsi_destroy_session(struct iscsi_cls_session *session)
{
iscsi_remove_session(session);
ISCSI_DBG_TRANS_SESSION(session, "Completing session destruction\n");
iscsi_free_session(session);
return 0;
}
@ -885,6 +942,8 @@ iscsi_create_conn(struct iscsi_cls_session *session, int dd_size, uint32_t cid)
list_add(&conn->conn_list, &connlist);
conn->active = 1;
spin_unlock_irqrestore(&connlock, flags);
ISCSI_DBG_TRANS_CONN(conn, "Completed conn creation\n");
return conn;
release_parent_ref:
@ -912,6 +971,7 @@ int iscsi_destroy_conn(struct iscsi_cls_conn *conn)
spin_unlock_irqrestore(&connlock, flags);
transport_unregister_device(&conn->dev);
ISCSI_DBG_TRANS_CONN(conn, "Completing conn destruction\n");
device_unregister(&conn->dev);
return 0;
}
@ -1200,6 +1260,9 @@ int iscsi_session_event(struct iscsi_cls_session *session,
"Cannot notify userspace of session "
"event %u. Check iscsi daemon\n",
event);
ISCSI_DBG_TRANS_SESSION(session, "Completed handling event %d rc %d\n",
event, rc);
return rc;
}
EXPORT_SYMBOL_GPL(iscsi_session_event);
@ -1221,6 +1284,8 @@ iscsi_if_create_session(struct iscsi_internal *priv, struct iscsi_endpoint *ep,
shost = iscsi_session_to_shost(session);
ev->r.c_session_ret.host_no = shost->host_no;
ev->r.c_session_ret.sid = session->sid;
ISCSI_DBG_TRANS_SESSION(session,
"Completed creating transport session\n");
return 0;
}
@ -1246,6 +1311,8 @@ iscsi_if_create_conn(struct iscsi_transport *transport, struct iscsi_uevent *ev)
ev->r.c_conn_ret.sid = session->sid;
ev->r.c_conn_ret.cid = conn->cid;
ISCSI_DBG_TRANS_CONN(conn, "Completed creating transport conn\n");
return 0;
}
@ -1258,8 +1325,10 @@ iscsi_if_destroy_conn(struct iscsi_transport *transport, struct iscsi_uevent *ev
if (!conn)
return -EINVAL;
ISCSI_DBG_TRANS_CONN(conn, "Destroying transport conn\n");
if (transport->destroy_conn)
transport->destroy_conn(conn);
return 0;
}

4
drivers/scsi/scsi_transport_sas.c
View File

@ -1691,10 +1691,6 @@ sas_attach_transport(struct sas_function_template *ft)
i->f = ft;
count = 0;
SETUP_PORT_ATTRIBUTE(num_phys);
i->host_attrs[count] = NULL;
count = 0;
SETUP_PHY_ATTRIBUTE(initiator_port_protocols);
SETUP_PHY_ATTRIBUTE(target_port_protocols);

2
drivers/scsi/sd.c
View File

@ -2021,6 +2021,7 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
sd_printk(KERN_NOTICE, sdkp, "Attached SCSI %sdisk\n",
sdp->removable ? "removable " : "");
put_device(&sdkp->dev);
}
/**
@ -2106,6 +2107,7 @@ static int sd_probe(struct device *dev)
get_device(&sdp->sdev_gendev);
get_device(&sdkp->dev); /* prevent release before async_schedule */
async_schedule(sd_probe_async, sdkp);
return 0;

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