scsi_debug: re-order file scope declarations

Group most defines together first; followed by struct definitions and
then table and variable definitions. Normalize all function headers.

[mkp: Corrected hex value in WP/DPOFUA MODE SENSE comment]

Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Douglas Gilbert 2016-04-25 12:16:33 -04:00 committed by Martin K. Petersen
parent a10bc12af6
commit fd32119b0d
1 changed files with 151 additions and 163 deletions

View File

@ -95,7 +95,6 @@ static const char *sdebug_version_date = "20160422";
/* Additional Sense Code Qualifier (ASCQ) */
#define ACK_NAK_TO 0x3
/* Default values for driver parameters */
#define DEF_NUM_HOST 1
#define DEF_NUM_TGTS 1
@ -161,14 +160,14 @@ static const char *sdebug_version_date = "20160422";
SDEBUG_OPT_DIF_ERR | SDEBUG_OPT_DIX_ERR | \
SDEBUG_OPT_SHORT_TRANSFER)
/* When "every_nth" > 0 then modulo "every_nth" commands:
* - a no response is simulated if SDEBUG_OPT_TIMEOUT is set
* - a missing response is simulated if SDEBUG_OPT_TIMEOUT is set
* - a RECOVERED_ERROR is simulated on successful read and write
* commands if SDEBUG_OPT_RECOVERED_ERR is set.
* - a TRANSPORT_ERROR is simulated on successful read and write
* commands if SDEBUG_OPT_TRANSPORT_ERR is set.
*
* When "every_nth" < 0 then after "- every_nth" commands:
* - a no response is simulated if SDEBUG_OPT_TIMEOUT is set
* - a missing response is simulated if SDEBUG_OPT_TIMEOUT is set
* - a RECOVERED_ERROR is simulated on successful read and write
* commands if SDEBUG_OPT_RECOVERED_ERR is set.
* - a TRANSPORT_ERROR is simulated on successful read and write
@ -178,7 +177,7 @@ static const char *sdebug_version_date = "20160422";
* every_nth via sysfs).
*/
/* As indicated in SAM-5 and SPC-4 Unit Attentions (UAs)are returned in
/* As indicated in SAM-5 and SPC-4 Unit Attentions (UAs) are returned in
* priority order. In the subset implemented here lower numbers have higher
* priority. The UA numbers should be a sequence starting from 0 with
* SDEBUG_NUM_UAS being 1 higher than the highest numbered UA. */
@ -218,7 +217,83 @@ static const char *sdebug_version_date = "20160422";
#warning "Expect DEF_CMD_PER_LUN <= SCSI_DEBUG_CANQUEUE"
#endif
/* SCSI opcodes (first byte of cdb) mapped onto these indexes */
#define F_D_IN 1
#define F_D_OUT 2
#define F_D_OUT_MAYBE 4 /* WRITE SAME, NDOB bit */
#define F_D_UNKN 8
#define F_RL_WLUN_OK 0x10
#define F_SKIP_UA 0x20
#define F_DELAY_OVERR 0x40
#define F_SA_LOW 0x80 /* cdb byte 1, bits 4 to 0 */
#define F_SA_HIGH 0x100 /* as used by variable length cdbs */
#define F_INV_OP 0x200
#define F_FAKE_RW 0x400
#define F_M_ACCESS 0x800 /* media access */
#define FF_RESPOND (F_RL_WLUN_OK | F_SKIP_UA | F_DELAY_OVERR)
#define FF_DIRECT_IO (F_M_ACCESS | F_FAKE_RW)
#define FF_SA (F_SA_HIGH | F_SA_LOW)
#define SDEBUG_MAX_PARTS 4
#define SCSI_DEBUG_MAX_CMD_LEN 32
struct sdebug_dev_info {
struct list_head dev_list;
unsigned int channel;
unsigned int target;
u64 lun;
struct sdebug_host_info *sdbg_host;
unsigned long uas_bm[1];
atomic_t num_in_q;
char stopped; /* TODO: should be atomic */
bool used;
};
struct sdebug_host_info {
struct list_head host_list;
struct Scsi_Host *shost;
struct device dev;
struct list_head dev_info_list;
};
#define to_sdebug_host(d) \
container_of(d, struct sdebug_host_info, dev)
struct sdebug_defer {
struct hrtimer hrt;
struct execute_work ew;
int qa_indx;
};
struct sdebug_queued_cmd {
/* in_use flagged by a bit in queued_in_use_bm[] */
struct sdebug_defer *sd_dp;
struct scsi_cmnd *a_cmnd;
};
struct sdebug_scmd_extra_t {
bool inj_recovered;
bool inj_transport;
bool inj_dif;
bool inj_dix;
bool inj_short;
};
struct opcode_info_t {
u8 num_attached; /* 0 if this is it (i.e. a leaf); use 0xff
* for terminating element */
u8 opcode; /* if num_attached > 0, preferred */
u16 sa; /* service action */
u32 flags; /* OR-ed set of SDEB_F_* */
int (*pfp)(struct scsi_cmnd *, struct sdebug_dev_info *);
const struct opcode_info_t *arrp; /* num_attached elements or NULL */
u8 len_mask[16]; /* len=len_mask[0], then mask for cdb[1]... */
/* ignore cdb bytes after position 15 */
};
/* SCSI opcodes (first byte of cdb) of interest mapped onto these indexes */
enum sdeb_opcode_index {
SDEB_I_INVALID_OPCODE = 0,
SDEB_I_INQUIRY = 1,
@ -273,7 +348,7 @@ static const unsigned char opcode_ind_arr[256] = {
0, 0, 0, SDEB_I_XDWRITEREAD, 0, SDEB_I_MODE_SELECT, SDEB_I_RESERVE,
SDEB_I_RELEASE,
0, 0, SDEB_I_MODE_SENSE, 0, 0, 0, 0, 0,
/* 0x60; 0x60->0x7d are reserved */
/* 0x60; 0x60->0x7d are reserved, 0x7e is "extended cdb" */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, SDEB_I_VARIABLE_LEN,
@ -296,24 +371,6 @@ static const unsigned char opcode_ind_arr[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
#define F_D_IN 1
#define F_D_OUT 2
#define F_D_OUT_MAYBE 4 /* WRITE SAME, NDOB bit */
#define F_D_UNKN 8
#define F_RL_WLUN_OK 0x10
#define F_SKIP_UA 0x20
#define F_DELAY_OVERR 0x40
#define F_SA_LOW 0x80 /* cdb byte 1, bits 4 to 0 */
#define F_SA_HIGH 0x100 /* as used by variable length cdbs */
#define F_INV_OP 0x200
#define F_FAKE_RW 0x400
#define F_M_ACCESS 0x800 /* media access */
#define FF_RESPOND (F_RL_WLUN_OK | F_SKIP_UA | F_DELAY_OVERR)
#define FF_DIRECT_IO (F_M_ACCESS | F_FAKE_RW)
#define FF_SA (F_SA_HIGH | F_SA_LOW)
struct sdebug_dev_info;
static int resp_inquiry(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_report_luns(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_requests(struct scsi_cmnd *, struct sdebug_dev_info *);
@ -336,18 +393,6 @@ static int resp_xdwriteread_10(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_comp_write(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_write_buffer(struct scsi_cmnd *, struct sdebug_dev_info *);
struct opcode_info_t {
u8 num_attached; /* 0 if this is it (i.e. a leaf); use 0xff
* for terminating element */
u8 opcode; /* if num_attached > 0, preferred */
u16 sa; /* service action */
u32 flags; /* OR-ed set of SDEB_F_* */
int (*pfp)(struct scsi_cmnd *, struct sdebug_dev_info *);
const struct opcode_info_t *arrp; /* num_attached elements or NULL */
u8 len_mask[16]; /* len=len_mask[0], then mask for cdb[1]... */
/* ignore cdb bytes after position 15 */
};
static const struct opcode_info_t msense_iarr[1] = {
{0, 0x1a, 0, F_D_IN, NULL, NULL,
{6, 0xe8, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} },
@ -508,14 +553,6 @@ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEMENT + 1] = {
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} },
};
struct sdebug_scmd_extra_t {
bool inj_recovered;
bool inj_transport;
bool inj_dif;
bool inj_dix;
bool inj_short;
};
static int sdebug_add_host = DEF_NUM_HOST;
static int sdebug_ato = DEF_ATO;
static int sdebug_jdelay = DEF_JDELAY; /* if > 0 then unit is jiffies */
@ -563,8 +600,6 @@ static atomic_t sdebug_cmnd_count;
static atomic_t sdebug_completions;
static atomic_t sdebug_a_tsf; /* counter of 'almost' TSFs */
#define DEV_READONLY(TGT) (0)
static unsigned int sdebug_store_sectors;
static sector_t sdebug_capacity; /* in sectors */
@ -574,58 +609,10 @@ static int sdebug_heads; /* heads per disk */
static int sdebug_cylinders_per; /* cylinders per surface */
static int sdebug_sectors_per; /* sectors per cylinder */
#define SDEBUG_MAX_PARTS 4
#define SCSI_DEBUG_MAX_CMD_LEN 32
static unsigned int scsi_debug_lbp(void)
{
return 0 == sdebug_fake_rw &&
(sdebug_lbpu || sdebug_lbpws || sdebug_lbpws10);
}
struct sdebug_dev_info {
struct list_head dev_list;
unsigned int channel;
unsigned int target;
u64 lun;
struct sdebug_host_info *sdbg_host;
unsigned long uas_bm[1];
atomic_t num_in_q;
char stopped; /* TODO: should be atomic */
bool used;
};
struct sdebug_host_info {
struct list_head host_list;
struct Scsi_Host *shost;
struct device dev;
struct list_head dev_info_list;
};
#define to_sdebug_host(d) \
container_of(d, struct sdebug_host_info, dev)
static LIST_HEAD(sdebug_host_list);
static DEFINE_SPINLOCK(sdebug_host_list_lock);
struct sdebug_defer {
struct hrtimer hrt;
struct execute_work ew;
int qa_indx;
};
struct sdebug_queued_cmd {
/* in_use flagged by a bit in queued_in_use_bm[] */
struct sdebug_defer *sd_dp;
struct scsi_cmnd * a_cmnd;
};
static struct sdebug_queued_cmd queued_arr[SCSI_DEBUG_CANQUEUE];
static unsigned long queued_in_use_bm[SCSI_DEBUG_CANQUEUE_WORDS];
static unsigned char * fake_storep; /* ramdisk storage */
static unsigned char *fake_storep; /* ramdisk storage */
static struct sd_dif_tuple *dif_storep; /* protection info */
static void *map_storep; /* provisioning map */
@ -639,6 +626,9 @@ static int dix_writes;
static int dix_reads;
static int dif_errors;
static struct sdebug_queued_cmd queued_arr[SCSI_DEBUG_CANQUEUE];
static unsigned long queued_in_use_bm[SCSI_DEBUG_CANQUEUE_WORDS];
static DEFINE_SPINLOCK(queued_arr_lock);
static DEFINE_RWLOCK(atomic_rw);
@ -661,13 +651,12 @@ static const int illegal_condition_result =
static const int device_qfull_result =
(DID_OK << 16) | (COMMAND_COMPLETE << 8) | SAM_STAT_TASK_SET_FULL;
static unsigned char caching_pg[] = {0x8, 18, 0x14, 0, 0xff, 0xff, 0, 0,
0xff, 0xff, 0xff, 0xff, 0x80, 0x14, 0, 0,
0, 0, 0, 0};
static unsigned char ctrl_m_pg[] = {0xa, 10, 2, 0, 0, 0, 0, 0,
0, 0, 0x2, 0x4b};
static unsigned char iec_m_pg[] = {0x1c, 0xa, 0x08, 0, 0, 0, 0, 0,
0, 0, 0x0, 0x0};
static unsigned int scsi_debug_lbp(void)
{
return 0 == sdebug_fake_rw &&
(sdebug_lbpu || sdebug_lbpws || sdebug_lbpws10);
}
static void *fake_store(unsigned long long lba)
{
@ -683,9 +672,6 @@ static struct sd_dif_tuple *dif_store(sector_t sector)
return dif_storep + sector;
}
static int sdebug_add_adapter(void);
static void sdebug_remove_adapter(void);
static void sdebug_max_tgts_luns(void)
{
struct sdebug_host_info *sdbg_host;
@ -708,9 +694,9 @@ static void sdebug_max_tgts_luns(void)
enum sdeb_cmd_data {SDEB_IN_DATA = 0, SDEB_IN_CDB = 1};
/* Set in_bit to -1 to indicate no bit position of invalid field */
static void
mk_sense_invalid_fld(struct scsi_cmnd *scp, enum sdeb_cmd_data c_d,
int in_byte, int in_bit)
static void mk_sense_invalid_fld(struct scsi_cmnd *scp,
enum sdeb_cmd_data c_d,
int in_byte, int in_bit)
{
unsigned char *sbuff;
u8 sks[4];
@ -768,8 +754,7 @@ static void mk_sense_buffer(struct scsi_cmnd *scp, int key, int asc, int asq)
my_name, key, asc, asq);
}
static void
mk_sense_invalid_opcode(struct scsi_cmnd *scp)
static void mk_sense_invalid_opcode(struct scsi_cmnd *scp)
{
mk_sense_buffer(scp, ILLEGAL_REQUEST, INVALID_OPCODE, 0);
}
@ -1385,6 +1370,9 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
return ret;
}
static unsigned char iec_m_pg[] = {0x1c, 0xa, 0x08, 0, 0, 0, 0, 0,
0, 0, 0x0, 0x0};
static int resp_requests(struct scsi_cmnd * scp,
struct sdebug_dev_info * devip)
{
@ -1605,8 +1593,8 @@ static int resp_report_tgtpgs(struct scsi_cmnd * scp,
return ret;
}
static int
resp_rsup_opcodes(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_rsup_opcodes(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
bool rctd;
u8 reporting_opts, req_opcode, sdeb_i, supp;
@ -1756,8 +1744,8 @@ resp_rsup_opcodes(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
return errsts;
}
static int
resp_rsup_tmfs(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_rsup_tmfs(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
bool repd;
u32 alloc_len, len;
@ -1823,6 +1811,10 @@ static int resp_format_pg(unsigned char * p, int pcontrol, int target)
return sizeof(format_pg);
}
static unsigned char caching_pg[] = {0x8, 18, 0x14, 0, 0xff, 0xff, 0, 0,
0xff, 0xff, 0xff, 0xff, 0x80, 0x14, 0, 0,
0, 0, 0, 0};
static int resp_caching_pg(unsigned char * p, int pcontrol, int target)
{ /* Caching page for mode_sense */
unsigned char ch_caching_pg[] = {/* 0x8, 18, */ 0x4, 0, 0, 0, 0, 0,
@ -1840,6 +1832,9 @@ static int resp_caching_pg(unsigned char * p, int pcontrol, int target)
return sizeof(caching_pg);
}
static unsigned char ctrl_m_pg[] = {0xa, 10, 2, 0, 0, 0, 0, 0,
0, 0, 0x2, 0x4b};
static int resp_ctrl_m_pg(unsigned char * p, int pcontrol, int target)
{ /* Control mode page for mode_sense */
unsigned char ch_ctrl_m_pg[] = {/* 0xa, 10, */ 0x6, 0, 0, 0, 0, 0,
@ -1938,8 +1933,8 @@ static int resp_sas_sha_m_spg(unsigned char * p, int pcontrol)
#define SDEBUG_MAX_MSENSE_SZ 256
static int
resp_mode_sense(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_mode_sense(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
unsigned char dbd, llbaa;
int pcontrol, pcode, subpcode, bd_len;
@ -1970,7 +1965,7 @@ resp_mode_sense(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
(devip->target * 1000) - 3;
/* set DPOFUA bit for disks */
if (0 == sdebug_ptype)
dev_spec = (DEV_READONLY(target) ? 0x80 : 0x0) | 0x10;
dev_spec = 0x10; /* would be 0x90 if read-only */
else
dev_spec = 0x0;
if (msense_6) {
@ -2081,8 +2076,8 @@ resp_mode_sense(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
#define SDEBUG_MAX_MSELECT_SZ 512
static int
resp_mode_select(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_mode_select(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
int pf, sp, ps, md_len, bd_len, off, spf, pg_len;
int param_len, res, mpage;
@ -2280,8 +2275,8 @@ static int check_device_access_params(struct scsi_cmnd *scp,
}
/* Returns number of bytes copied or -1 if error. */
static int
do_device_access(struct scsi_cmnd *scmd, u64 lba, u32 num, bool do_write)
static int do_device_access(struct scsi_cmnd *scmd, u64 lba, u32 num,
bool do_write)
{
int ret;
u64 block, rest = 0;
@ -2323,8 +2318,7 @@ do_device_access(struct scsi_cmnd *scmd, u64 lba, u32 num, bool do_write)
/* If fake_store(lba,num) compares equal to arr(num), then copy top half of
* arr into fake_store(lba,num) and return true. If comparison fails then
* return false. */
static bool
comp_write_worker(u64 lba, u32 num, const u8 *arr)
static bool comp_write_worker(u64 lba, u32 num, const u8 *arr)
{
bool res;
u64 block, rest = 0;
@ -2463,8 +2457,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec,
return 0;
}
static int
resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
{
u8 *cmd = scp->cmnd;
u64 lba;
@ -2775,8 +2768,7 @@ static void unmap_region(sector_t lba, unsigned int len)
}
}
static int
resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
{
u8 *cmd = scp->cmnd;
u64 lba;
@ -2893,9 +2885,8 @@ resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
return 0;
}
static int
resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, u32 ei_lba,
bool unmap, bool ndob)
static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num,
u32 ei_lba, bool unmap, bool ndob)
{
unsigned long iflags;
unsigned long long i;
@ -2945,8 +2936,8 @@ out:
return 0;
}
static int
resp_write_same_10(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_write_same_10(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
u8 *cmd = scp->cmnd;
u32 lba;
@ -2970,8 +2961,8 @@ resp_write_same_10(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
return resp_write_same(scp, lba, num, ei_lba, unmap, false);
}
static int
resp_write_same_16(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_write_same_16(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
u8 *cmd = scp->cmnd;
u64 lba;
@ -3001,8 +2992,8 @@ resp_write_same_16(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
/* Note the mode field is in the same position as the (lower) service action
* field. For the Report supported operation codes command, SPC-4 suggests
* each mode of this command should be reported separately; for future. */
static int
resp_write_buffer(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_write_buffer(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
u8 *cmd = scp->cmnd;
struct scsi_device *sdp = scp->device;
@ -3047,8 +3038,8 @@ resp_write_buffer(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
return 0;
}
static int
resp_comp_write(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_comp_write(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
u8 *cmd = scp->cmnd;
u8 *arr;
@ -3129,8 +3120,7 @@ struct unmap_block_desc {
__be32 __reserved;
};
static int
resp_unmap(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_unmap(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
{
unsigned char *buf;
struct unmap_block_desc *desc;
@ -3188,8 +3178,8 @@ out:
#define SDEBUG_GET_LBA_STATUS_LEN 32
static int
resp_get_lba_status(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_get_lba_status(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
u8 *cmd = scp->cmnd;
u64 lba;
@ -3323,8 +3313,8 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
return 0;
}
static int
resp_xdwriteread_10(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
static int resp_xdwriteread_10(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
u8 *cmd = scp->cmnd;
u64 lba;
@ -3350,8 +3340,7 @@ resp_xdwriteread_10(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
}
/* Queued command completions converge here. */
static void
sdebug_q_cmd_complete(struct sdebug_defer *sd_dp)
static void sdebug_q_cmd_complete(struct sdebug_defer *sd_dp)
{
int qa_indx;
int retiring = 0;
@ -3409,8 +3398,7 @@ sdebug_q_cmd_complete(struct sdebug_defer *sd_dp)
}
/* When high resolution timer goes off this function is called. */
static enum hrtimer_restart
sdebug_q_cmd_hrt_complete(struct hrtimer *timer)
static enum hrtimer_restart sdebug_q_cmd_hrt_complete(struct hrtimer *timer)
{
struct sdebug_defer *sd_dp = container_of(timer, struct sdebug_defer,
hrt);
@ -3419,16 +3407,15 @@ sdebug_q_cmd_hrt_complete(struct hrtimer *timer)
}
/* When work queue schedules work, it calls this function. */
static void
sdebug_q_cmd_wq_complete(struct work_struct *work)
static void sdebug_q_cmd_wq_complete(struct work_struct *work)
{
struct sdebug_defer *sd_dp = container_of(work, struct sdebug_defer,
ew.work);
sdebug_q_cmd_complete(sd_dp);
}
static struct sdebug_dev_info *
sdebug_device_create(struct sdebug_host_info *sdbg_host, gfp_t flags)
static struct sdebug_dev_info *sdebug_device_create(
struct sdebug_host_info *sdbg_host, gfp_t flags)
{
struct sdebug_dev_info *devip;
@ -3794,9 +3781,8 @@ static void __init sdebug_build_parts(unsigned char *ramp,
}
}
static int
schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
int scsi_result, int delta_jiff)
static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
int scsi_result, int delta_jiff)
{
unsigned long iflags;
int k, num_in_q, qdepth, inject;
@ -4020,7 +4006,8 @@ static const char * scsi_debug_info(struct Scsi_Host * shp)
}
/* 'echo <val> > /proc/scsi/scsi_debug/<host_id>' writes to opts */
static int scsi_debug_write_info(struct Scsi_Host *host, char *buffer, int length)
static int scsi_debug_write_info(struct Scsi_Host *host, char *buffer,
int length)
{
char arr[16];
int opts;
@ -4124,7 +4111,7 @@ static ssize_t ndelay_show(struct device_driver *ddp, char *buf)
/* Returns -EBUSY if ndelay is being changed and commands are queued */
/* If > 0 and accepted then sdebug_jdelay is set to JDELAY_OVERRIDDEN */
static ssize_t ndelay_store(struct device_driver *ddp, const char *buf,
size_t count)
size_t count)
{
unsigned long iflags;
int ndelay, res, k;
@ -4433,6 +4420,9 @@ static ssize_t add_host_show(struct device_driver *ddp, char *buf)
return scnprintf(buf, PAGE_SIZE, "%d\n", sdebug_add_host);
}
static int sdebug_add_adapter(void);
static void sdebug_remove_adapter(void);
static ssize_t add_host_store(struct device_driver *ddp, const char *buf,
size_t count)
{
@ -4902,8 +4892,7 @@ static void sdebug_remove_adapter(void)
--sdebug_add_host;
}
static int
sdebug_change_qdepth(struct scsi_device *sdev, int qdepth)
static int sdebug_change_qdepth(struct scsi_device *sdev, int qdepth)
{
int num_in_q = 0;
unsigned long iflags;
@ -4933,8 +4922,7 @@ sdebug_change_qdepth(struct scsi_device *sdev, int qdepth)
return sdev->queue_depth;
}
static int
check_inject(struct scsi_cmnd *scp)
static int check_inject(struct scsi_cmnd *scp)
{
struct sdebug_scmd_extra_t *ep = scsi_cmd_priv(scp);
@ -4965,8 +4953,8 @@ check_inject(struct scsi_cmnd *scp)
return 0;
}
static int
scsi_debug_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scp)
static int scsi_debug_queuecommand(struct Scsi_Host *shost,
struct scsi_cmnd *scp)
{
u8 sdeb_i;
struct scsi_device *sdp = scp->device;