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Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev 

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (21 commits)
  libata: remove irq_on from ata_bus_reset() and ata_std_postreset()
  ata_piix: kill incorrect invalid map value warning
  libata: add another Maxtor drive with broken NCQ to the list
  [libata] sata_mv: Fix and clean up per-chip-generation tests
  [libata] sata_mv: Convert to new exception handling (EH) infrastructure
  [libata] sata_mv: minor bug fixes, enhancements, and cleanups (prep for new EH)
  [libata] sata_mv: Minor cleanups and renaming, preparing for new EH & NCQ
  libata-link: add PMP related ATA constants
  libata-link: separate out ata_eh_handle_dev_fail()
  pata_hpt3x3: fix DMA Kconfig option to actually have a hope of working
  Add Hitachi HDS7250SASUN500G 0621KTAWSD to NCQ blacklist
  pata_scc.c: Workaround for errata A308
  libata: add FUJITSU MHV2080BH to NCQ blacklist
  pata_hpt3x3: major reworking and testing
  libata: clean up horkage handling
  libata: quirk IOMEGA ZIP 250 ATAPI FLOPPY
  libata: simplify PCI legacy SFF host handling
  pata_mpc52xx: suspend/resume support
  sata_promise: SATA hotplug support, take 2
  pata_sis: FIFO whack
  ...
This commit is contained in:
Linus Torvalds 2007-07-12 13:38:50 -07:00
parent e1bd2ac5a6 c6e54a5781
commit 57399ec907
17 changed files with 888 additions and 723 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/ata/Kconfig
View File

@ -309,7 +309,7 @@ config PATA_HPT3X2N
If unsure, say N.
config PATA_HPT3X3
tristate "HPT 343/363 PATA support (Experimental)"
tristate "HPT 343/363 PATA support"
depends on PCI
help
This option enables support for the HPT 343/363
@ -317,6 +317,14 @@ config PATA_HPT3X3
If unsure, say N.
config PATA_HPT3X3_DMA
bool "HPT 343/363 DMA support (Experimental)"
depends on PATA_HPT3X3
help
This option enables DMA support for the HPT343/363
controllers. Enable with care as there are still some
problems with DMA on this chipset.
config PATA_ISAPNP
tristate "ISA Plug and Play PATA support (Experimental)"
depends on EXPERIMENTAL && ISAPNP

2
drivers/ata/ata_piix.c
View File

@ -414,7 +414,7 @@ static const struct piix_map_db ich6m_map_db = {
*/
.map = {
/* PM PS SM SS MAP */
{ P0, P2, RV, RV }, /* 00b */
{ P0, P2, NA, NA }, /* 00b */
{ IDE, IDE, P1, P3 }, /* 01b */
{ P0, P2, IDE, IDE }, /* 10b */
{ RV, RV, RV, RV },

74
drivers/ata/libata-core.c
View File

@ -71,6 +71,7 @@ static unsigned int ata_dev_init_params(struct ata_device *dev,
u16 heads, u16 sectors);
static unsigned int ata_dev_set_xfermode(struct ata_device *dev);
static void ata_dev_xfermask(struct ata_device *dev);
static unsigned long ata_dev_blacklisted(const struct ata_device *dev);
unsigned int ata_print_id = 1;
static struct workqueue_struct *ata_wq;
@ -1283,18 +1284,11 @@ static unsigned int ata_id_xfermask(const u16 *id)
void ata_port_queue_task(struct ata_port *ap, work_func_t fn, void *data,
unsigned long delay)
{
int rc;
if (ap->pflags & ATA_PFLAG_FLUSH_PORT_TASK)
return;
PREPARE_DELAYED_WORK(&ap->port_task, fn);
ap->port_task_data = data;
rc = queue_delayed_work(ata_wq, &ap->port_task, delay);
/* rc == 0 means that another user is using port task */
WARN_ON(rc == 0);
/* may fail if ata_port_flush_task() in progress */
queue_delayed_work(ata_wq, &ap->port_task, delay);
}
/**
@ -1309,32 +1303,9 @@ void ata_port_queue_task(struct ata_port *ap, work_func_t fn, void *data,
*/
void ata_port_flush_task(struct ata_port *ap)
{
unsigned long flags;
DPRINTK("ENTER\n");
spin_lock_irqsave(ap->lock, flags);
ap->pflags |= ATA_PFLAG_FLUSH_PORT_TASK;
spin_unlock_irqrestore(ap->lock, flags);
DPRINTK("flush #1\n");
cancel_work_sync(&ap->port_task.work); /* akpm: seems unneeded */
/*
* At this point, if a task is running, it's guaranteed to see
* the FLUSH flag; thus, it will never queue pio tasks again.
* Cancel and flush.
*/
if (!cancel_delayed_work(&ap->port_task)) {
if (ata_msg_ctl(ap))
ata_port_printk(ap, KERN_DEBUG, "%s: flush #2\n",
__FUNCTION__);
cancel_work_sync(&ap->port_task.work);
}
spin_lock_irqsave(ap->lock, flags);
ap->pflags &= ~ATA_PFLAG_FLUSH_PORT_TASK;
spin_unlock_irqrestore(ap->lock, flags);
cancel_rearming_delayed_work(&ap->port_task);
if (ata_msg_ctl(ap))
ata_port_printk(ap, KERN_DEBUG, "%s: EXIT\n", __FUNCTION__);
@ -1814,7 +1785,7 @@ static void ata_dev_config_ncq(struct ata_device *dev,
desc[0] = '\0';
return;
}
if (ata_device_blacklisted(dev) & ATA_HORKAGE_NONCQ) {
if (dev->horkage & ATA_HORKAGE_NONCQ) {
snprintf(desc, desc_sz, "NCQ (not used)");
return;
}
@ -1863,6 +1834,9 @@ int ata_dev_configure(struct ata_device *dev)
if (ata_msg_probe(ap))
ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __FUNCTION__);
/* set horkage */
dev->horkage |= ata_dev_blacklisted(dev);
/* let ACPI work its magic */
rc = ata_acpi_on_devcfg(dev);
if (rc)
@ -2038,7 +2012,7 @@ int ata_dev_configure(struct ata_device *dev)
dev->max_sectors = ATA_MAX_SECTORS;
}
if (ata_device_blacklisted(dev) & ATA_HORKAGE_MAX_SEC_128)
if (dev->horkage & ATA_HORKAGE_MAX_SEC_128)
dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
dev->max_sectors);
@ -3190,9 +3164,6 @@ void ata_bus_reset(struct ata_port *ap)
if ((slave_possible) && (err != 0x81))
ap->device[1].class = ata_dev_try_classify(ap, 1, &err);
/* re-enable interrupts */
ap->ops->irq_on(ap);
/* is double-select really necessary? */
if (ap->device[1].class != ATA_DEV_NONE)
ap->ops->dev_select(ap, 1);
@ -3577,10 +3548,6 @@ void ata_std_postreset(struct ata_port *ap, unsigned int *classes)
if (sata_scr_read(ap, SCR_ERROR, &serror) == 0)
sata_scr_write(ap, SCR_ERROR, serror);
/* re-enable interrupts */
if (!ap->ops->error_handler)
ap->ops->irq_on(ap);
/* is double-select really necessary? */
if (classes[0] != ATA_DEV_NONE)
ap->ops->dev_select(ap, 1);
@ -3770,6 +3737,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "SAMSUNG CD-ROM SN-124","N001", ATA_HORKAGE_NODMA },
{ "Seagate STT20000A", NULL, ATA_HORKAGE_NODMA },
{ "IOMEGA ZIP 250 ATAPI", NULL, ATA_HORKAGE_NODMA }, /* temporary fix */
{ "IOMEGA ZIP 250 ATAPI Floppy",
NULL, ATA_HORKAGE_NODMA },
/* Weird ATAPI devices */
{ "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 },
@ -3783,7 +3752,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "FUJITSU MHT2060BH", NULL, ATA_HORKAGE_NONCQ },
/* NCQ is broken */
{ "Maxtor 6L250S0", "BANC1G10", ATA_HORKAGE_NONCQ },
{ "Maxtor 6B200M0", "BANC1BM0", ATA_HORKAGE_NONCQ },
{ "Maxtor 6B200M0", "BANC1B10", ATA_HORKAGE_NONCQ },
{ "HITACHI HDS7250SASUN500G 0621KTAWSD", "K2AOAJ0AHITACHI",
ATA_HORKAGE_NONCQ },
/* NCQ hard hangs device under heavier load, needs hard power cycle */
{ "Maxtor 6B250S0", "BANC1B70", ATA_HORKAGE_NONCQ },
/* Blacklist entries taken from Silicon Image 3124/3132
@ -3796,6 +3768,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "HTS541612J9SA00", "SBDIC7JP", ATA_HORKAGE_NONCQ, },
{ "Hitachi HTS541616J9SA00", "SB4OC70P", ATA_HORKAGE_NONCQ, },
{ "WDC WD740ADFD-00NLR1", NULL, ATA_HORKAGE_NONCQ, },
{ "FUJITSU MHV2080BH", "00840028", ATA_HORKAGE_NONCQ, },
/* Devices with NCQ limits */
@ -3803,7 +3776,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ }
};
unsigned long ata_device_blacklisted(const struct ata_device *dev)
static unsigned long ata_dev_blacklisted(const struct ata_device *dev)
{
unsigned char model_num[ATA_ID_PROD_LEN + 1];
unsigned char model_rev[ATA_ID_FW_REV_LEN + 1];
@ -3833,7 +3806,7 @@ static int ata_dma_blacklisted(const struct ata_device *dev)
if ((dev->ap->flags & ATA_FLAG_PIO_POLLING) &&
(dev->flags & ATA_DFLAG_CDB_INTR))
return 1;
return (ata_device_blacklisted(dev) & ATA_HORKAGE_NODMA) ? 1 : 0;
return (dev->horkage & ATA_HORKAGE_NODMA) ? 1 : 0;
}
/**
@ -6557,13 +6530,7 @@ void ata_port_detach(struct ata_port *ap)
spin_unlock_irqrestore(ap->lock, flags);
ata_port_wait_eh(ap);
/* Flush hotplug task. The sequence is similar to
* ata_port_flush_task().
*/
cancel_work_sync(&ap->hotplug_task.work); /* akpm: why? */
cancel_delayed_work(&ap->hotplug_task);
cancel_work_sync(&ap->hotplug_task.work);
cancel_rearming_delayed_work(&ap->hotplug_task);
skip_eh:
/* remove the associated SCSI host */
@ -6952,7 +6919,6 @@ EXPORT_SYMBOL_GPL(ata_host_resume);
EXPORT_SYMBOL_GPL(ata_id_string);
EXPORT_SYMBOL_GPL(ata_id_c_string);
EXPORT_SYMBOL_GPL(ata_id_to_dma_mode);
EXPORT_SYMBOL_GPL(ata_device_blacklisted);
EXPORT_SYMBOL_GPL(ata_scsi_simulate);
EXPORT_SYMBOL_GPL(ata_pio_need_iordy);
@ -6961,9 +6927,9 @@ EXPORT_SYMBOL_GPL(ata_timing_merge);
#ifdef CONFIG_PCI
EXPORT_SYMBOL_GPL(pci_test_config_bits);
EXPORT_SYMBOL_GPL(ata_pci_init_native_host);
EXPORT_SYMBOL_GPL(ata_pci_init_sff_host);
EXPORT_SYMBOL_GPL(ata_pci_init_bmdma);
EXPORT_SYMBOL_GPL(ata_pci_prepare_native_host);
EXPORT_SYMBOL_GPL(ata_pci_prepare_sff_host);
EXPORT_SYMBOL_GPL(ata_pci_init_one);
EXPORT_SYMBOL_GPL(ata_pci_remove_one);
#ifdef CONFIG_PM

96
drivers/ata/libata-eh.c
View File

@ -1897,6 +1897,57 @@ static int ata_eh_skip_recovery(struct ata_port *ap)
return 1;
}
static void ata_eh_handle_dev_fail(struct ata_device *dev, int err)
{
struct ata_port *ap = dev->ap;
struct ata_eh_context *ehc = &ap->eh_context;
ehc->tries[dev->devno]--;
switch (err) {
case -ENODEV:
/* device missing or wrong IDENTIFY data, schedule probing */
ehc->i.probe_mask |= (1 << dev->devno);
case -EINVAL:
/* give it just one more chance */
ehc->tries[dev->devno] = min(ehc->tries[dev->devno], 1);
case -EIO:
if (ehc->tries[dev->devno] == 1) {
/* This is the last chance, better to slow
* down than lose it.
*/
sata_down_spd_limit(ap);
ata_down_xfermask_limit(dev, ATA_DNXFER_PIO);
}
}
if (ata_dev_enabled(dev) && !ehc->tries[dev->devno]) {
/* disable device if it has used up all its chances */
ata_dev_disable(dev);
/* detach if offline */
if (ata_port_offline(ap))
ata_eh_detach_dev(dev);
/* probe if requested */
if ((ehc->i.probe_mask & (1 << dev->devno)) &&
!(ehc->did_probe_mask & (1 << dev->devno))) {
ata_eh_detach_dev(dev);
ata_dev_init(dev);
ehc->tries[dev->devno] = ATA_EH_DEV_TRIES;
ehc->did_probe_mask |= (1 << dev->devno);
ehc->i.action |= ATA_EH_SOFTRESET;
}
} else {
/* soft didn't work? be haaaaard */
if (ehc->i.flags & ATA_EHI_DID_RESET)
ehc->i.action |= ATA_EH_HARDRESET;
else
ehc->i.action |= ATA_EH_SOFTRESET;
}
}
/**
* ata_eh_recover - recover host port after error
* @ap: host port to recover
@ -1997,50 +2048,7 @@ static int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
goto out;
dev_fail:
ehc->tries[dev->devno]--;
switch (rc) {
case -ENODEV:
/* device missing or wrong IDENTIFY data, schedule probing */
ehc->i.probe_mask |= (1 << dev->devno);
case -EINVAL:
/* give it just one more chance */
ehc->tries[dev->devno] = min(ehc->tries[dev->devno], 1);
case -EIO:
if (ehc->tries[dev->devno] == 1) {
/* This is the last chance, better to slow
* down than lose it.
*/
sata_down_spd_limit(ap);
ata_down_xfermask_limit(dev, ATA_DNXFER_PIO);
}
}
if (ata_dev_enabled(dev) && !ehc->tries[dev->devno]) {
/* disable device if it has used up all its chances */
ata_dev_disable(dev);
/* detach if offline */
if (ata_port_offline(ap))
ata_eh_detach_dev(dev);
/* probe if requested */
if ((ehc->i.probe_mask & (1 << dev->devno)) &&
!(ehc->did_probe_mask & (1 << dev->devno))) {
ata_eh_detach_dev(dev);
ata_dev_init(dev);
ehc->tries[dev->devno] = ATA_EH_DEV_TRIES;
ehc->did_probe_mask |= (1 << dev->devno);
ehc->i.action |= ATA_EH_SOFTRESET;
}
} else {
/* soft didn't work? be haaaaard */
if (ehc->i.flags & ATA_EHI_DID_RESET)
ehc->i.action |= ATA_EH_HARDRESET;
else
ehc->i.action |= ATA_EH_SOFTRESET;
}
ata_eh_handle_dev_fail(dev, rc);
if (ata_port_nr_enabled(ap)) {
ata_port_printk(ap, KERN_WARNING, "failed to recover some "

288
drivers/ata/libata-sff.c
View File

@ -604,13 +604,17 @@ int ata_pci_init_bmdma(struct ata_host *host)
}
/**
* ata_pci_init_native_host - acquire native ATA resources and init host
* ata_pci_init_sff_host - acquire native PCI ATA resources and init host
* @host: target ATA host
*
* Acquire native PCI ATA resources for @host and initialize the
* first two ports of @host accordingly. Ports marked dummy are
* skipped and allocation failure makes the port dummy.
*
* Note that native PCI resources are valid even for legacy hosts
* as we fix up pdev resources array early in boot, so this
* function can be used for both native and legacy SFF hosts.
*
* LOCKING:
* Inherited from calling layer (may sleep).
*
@ -618,7 +622,7 @@ int ata_pci_init_bmdma(struct ata_host *host)
* 0 if at least one port is initialized, -ENODEV if no port is
* available.
*/
int ata_pci_init_native_host(struct ata_host *host)
int ata_pci_init_sff_host(struct ata_host *host)
{
struct device *gdev = host->dev;
struct pci_dev *pdev = to_pci_dev(gdev);
@ -673,7 +677,7 @@ int ata_pci_init_native_host(struct ata_host *host)
}
/**
* ata_pci_prepare_native_host - helper to prepare native PCI ATA host
* ata_pci_prepare_sff_host - helper to prepare native PCI ATA host
* @pdev: target PCI device
* @ppi: array of port_info, must be enough for two ports
* @r_host: out argument for the initialized ATA host
@ -687,9 +691,9 @@ int ata_pci_init_native_host(struct ata_host *host)
* RETURNS:
* 0 on success, -errno otherwise.
*/
int ata_pci_prepare_native_host(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct ata_host **r_host)
int ata_pci_prepare_sff_host(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct ata_host **r_host)
{
struct ata_host *host;
int rc;
@ -705,7 +709,7 @@ int ata_pci_prepare_native_host(struct pci_dev *pdev,
goto err_out;
}
rc = ata_pci_init_native_host(host);
rc = ata_pci_init_sff_host(host);
if (rc)
goto err_out;
@ -730,221 +734,6 @@ int ata_pci_prepare_native_host(struct pci_dev *pdev,
return rc;
}
struct ata_legacy_devres {
unsigned int mask;
unsigned long cmd_port[2];
void __iomem * cmd_addr[2];
void __iomem * ctl_addr[2];
unsigned int irq[2];
void * irq_dev_id[2];
};
static void ata_legacy_free_irqs(struct ata_legacy_devres *legacy_dr)
{
int i;
for (i = 0; i < 2; i++) {
if (!legacy_dr->irq[i])
continue;
free_irq(legacy_dr->irq[i], legacy_dr->irq_dev_id[i]);
legacy_dr->irq[i] = 0;
legacy_dr->irq_dev_id[i] = NULL;
}
}
static void ata_legacy_release(struct device *gdev, void *res)
{
struct ata_legacy_devres *this = res;
int i;
ata_legacy_free_irqs(this);
for (i = 0; i < 2; i++) {
if (this->cmd_addr[i])
ioport_unmap(this->cmd_addr[i]);
if (this->ctl_addr[i])
ioport_unmap(this->ctl_addr[i]);
if (this->cmd_port[i])
release_region(this->cmd_port[i], 8);
}
}
static int ata_init_legacy_port(struct ata_port *ap,
struct ata_legacy_devres *legacy_dr)
{
struct ata_host *host = ap->host;
int port_no = ap->port_no;
unsigned long cmd_port, ctl_port;
if (port_no == 0) {
cmd_port = ATA_PRIMARY_CMD;
ctl_port = ATA_PRIMARY_CTL;
} else {
cmd_port = ATA_SECONDARY_CMD;
ctl_port = ATA_SECONDARY_CTL;
}
/* request cmd_port */
if (request_region(cmd_port, 8, "libata"))
legacy_dr->cmd_port[port_no] = cmd_port;
else {
dev_printk(KERN_WARNING, host->dev,
"0x%0lX IDE port busy\n", cmd_port);
return -EBUSY;
}
/* iomap cmd and ctl ports */
legacy_dr->cmd_addr[port_no] = ioport_map(cmd_port, 8);
legacy_dr->ctl_addr[port_no] = ioport_map(ctl_port, 1);
if (!legacy_dr->cmd_addr[port_no] || !legacy_dr->ctl_addr[port_no]) {
dev_printk(KERN_WARNING, host->dev,
"failed to map cmd/ctl ports\n");
return -ENOMEM;
}
/* init IO addresses */
ap->ioaddr.cmd_addr = legacy_dr->cmd_addr[port_no];
ap->ioaddr.altstatus_addr = legacy_dr->ctl_addr[port_no];
ap->ioaddr.ctl_addr = legacy_dr->ctl_addr[port_no];
ata_std_ports(&ap->ioaddr);
return 0;
}
/**
* ata_init_legacy_host - acquire legacy ATA resources and init ATA host
* @host: target ATA host
* @was_busy: out parameter, indicates whether any port was busy
*
* Acquire legacy ATA resources for the first two ports of @host
* and initialize it accordingly. Ports marked dummy are skipped
* and resource acquistion failure makes the port dummy.
*
* LOCKING:
* Inherited from calling layer (may sleep).
*
* RETURNS:
* 0 if at least one port is initialized, -ENODEV if no port is
* available.
*/
static int ata_init_legacy_host(struct ata_host *host, int *was_busy)
{
struct device *gdev = host->dev;
struct ata_legacy_devres *legacy_dr;
int i, rc;
if (!devres_open_group(gdev, NULL, GFP_KERNEL))
return -ENOMEM;
rc = -ENOMEM;
legacy_dr = devres_alloc(ata_legacy_release, sizeof(*legacy_dr),
GFP_KERNEL);
if (!legacy_dr)
goto err_out;
devres_add(gdev, legacy_dr);
for (i = 0; i < 2; i++) {
if (ata_port_is_dummy(host->ports[i]))
continue;
rc = ata_init_legacy_port(host->ports[i], legacy_dr);
if (rc == 0)
legacy_dr->mask |= 1 << i;
else {
if (rc == -EBUSY)
(*was_busy)++;
host->ports[i]->ops = &ata_dummy_port_ops;
}
}
if (!legacy_dr->mask) {
dev_printk(KERN_ERR, gdev, "no available legacy port\n");
return -ENODEV;
}
devres_remove_group(gdev, NULL);
return 0;
err_out:
devres_release_group(gdev, NULL);
return rc;
}
/**
* ata_request_legacy_irqs - request legacy ATA IRQs
* @host: target ATA host
* @handler: array of IRQ handlers
* @irq_flags: array of IRQ flags
* @dev_id: array of IRQ dev_ids
*
* Request legacy IRQs for non-dummy legacy ports in @host. All
* IRQ parameters are passed as array to allow ports to have
* separate IRQ handlers.
*
* LOCKING:
* Inherited from calling layer (may sleep).
*
* RETURNS:
* 0 on success, -errno otherwise.
*/
static int ata_request_legacy_irqs(struct ata_host *host,
irq_handler_t const *handler,
const unsigned int *irq_flags,
void * const *dev_id)
{
struct device *gdev = host->dev;
struct ata_legacy_devres *legacy_dr;
int i, rc;
legacy_dr = devres_find(host->dev, ata_legacy_release, NULL, NULL);
BUG_ON(!legacy_dr);
for (i = 0; i < 2; i++) {
unsigned int irq;
/* FIXME: ATA_*_IRQ() should take generic device not pci_dev */
if (i == 0)
irq = ATA_PRIMARY_IRQ(to_pci_dev(gdev));
else
irq = ATA_SECONDARY_IRQ(to_pci_dev(gdev));
if (!(legacy_dr->mask & (1 << i)))
continue;
if (!handler[i]) {
dev_printk(KERN_ERR, gdev,
"NULL handler specified for port %d\n", i);
rc = -EINVAL;
goto err_out;
}
rc = request_irq(irq, handler[i], irq_flags[i], DRV_NAME,
dev_id[i]);
if (rc) {
dev_printk(KERN_ERR, gdev,
"irq %u request failed (errno=%d)\n", irq, rc);
goto err_out;
}
/* record irq allocation in legacy_dr */
legacy_dr->irq[i] = irq;
legacy_dr->irq_dev_id[i] = dev_id[i];
/* only used to print info */
if (i == 0)
host->irq = irq;
else
host->irq2 = irq;
}
return 0;
err_out:
ata_legacy_free_irqs(legacy_dr);
return rc;
}
/**
* ata_pci_init_one - Initialize/register PCI IDE host controller
* @pdev: Controller to be initialized
@ -1029,35 +818,11 @@ int ata_pci_init_one(struct pci_dev *pdev,
#endif
}
/* alloc and init host */
host = ata_host_alloc_pinfo(dev, ppi, 2);
if (!host) {
dev_printk(KERN_ERR, &pdev->dev,
"failed to allocate ATA host\n");
rc = -ENOMEM;
/* prepare host */
rc = ata_pci_prepare_sff_host(pdev, ppi, &host);
if (rc)
goto err_out;
}
if (!legacy_mode) {
rc = ata_pci_init_native_host(host);
if (rc)
goto err_out;
} else {
int was_busy = 0;
rc = ata_init_legacy_host(host, &was_busy);
if (was_busy)
pcim_pin_device(pdev);
if (rc)
goto err_out;
/* request respective PCI regions, may fail */
rc = pci_request_region(pdev, 1, DRV_NAME);
rc = pci_request_region(pdev, 3, DRV_NAME);
}
/* init BMDMA, may fail */
ata_pci_init_bmdma(host);
pci_set_master(pdev);
/* start host and request IRQ */
@ -1068,17 +833,28 @@ int ata_pci_init_one(struct pci_dev *pdev,
if (!legacy_mode) {
rc = devm_request_irq(dev, pdev->irq, pi->port_ops->irq_handler,
IRQF_SHARED, DRV_NAME, host);
if (rc)
goto err_out;
host->irq = pdev->irq;
} else {
irq_handler_t handler[2] = { host->ops->irq_handler,
host->ops->irq_handler };
unsigned int irq_flags[2] = { IRQF_SHARED, IRQF_SHARED };
void *dev_id[2] = { host, host };
if (!ata_port_is_dummy(host->ports[0])) {
host->irq = ATA_PRIMARY_IRQ(pdev);
rc = devm_request_irq(dev, host->irq,
pi->port_ops->irq_handler,
IRQF_SHARED, DRV_NAME, host);
if (rc)
goto err_out;
}
rc = ata_request_legacy_irqs(host, handler, irq_flags, dev_id);
if (!ata_port_is_dummy(host->ports[1])) {
host->irq2 = ATA_SECONDARY_IRQ(pdev);
rc = devm_request_irq(dev, host->irq2,
pi->port_ops->irq_handler,
IRQF_SHARED, DRV_NAME, host);
if (rc)
goto err_out;
}
}
if (rc)
goto err_out;
/* register */
rc = ata_host_register(host, pi->sht);

91
drivers/ata/pata_hpt3x3.c
View File

@ -23,7 +23,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_hpt3x3"
#define DRV_VERSION "0.4.3"
#define DRV_VERSION "0.5.3"
/**
* hpt3x3_set_piomode - PIO setup
@ -52,6 +52,7 @@ static void hpt3x3_set_piomode(struct ata_port *ap, struct ata_device *adev)
pci_write_config_dword(pdev, 0x48, r2);
}
#if defined(CONFIG_PATA_HPT3X3_DMA)
/**
* hpt3x3_set_dmamode - DMA timing setup
* @ap: ATA interface
@ -59,6 +60,9 @@ static void hpt3x3_set_piomode(struct ata_port *ap, struct ata_device *adev)
*
* Set up the channel for MWDMA or UDMA modes. Much the same as with
* PIO, load the mode number and then set MWDMA or UDMA flag.
*
* 0x44 : bit 0-2 master mode, 3-5 slave mode, etc
* 0x48 : bit 4/0 DMA/UDMA bit 5/1 for slave etc
*/
static void hpt3x3_set_dmamode(struct ata_port *ap, struct ata_device *adev)
@ -76,13 +80,26 @@ static void hpt3x3_set_dmamode(struct ata_port *ap, struct ata_device *adev)
r2 &= ~(0x11 << dn); /* Clear MWDMA and UDMA bits */
if (adev->dma_mode >= XFER_UDMA_0)
r2 |= 0x01 << dn; /* Ultra mode */
r2 |= (0x10 << dn); /* Ultra mode */
else
r2 |= 0x10 << dn; /* MWDMA */
r2 |= (0x01 << dn); /* MWDMA */
pci_write_config_dword(pdev, 0x44, r1);
pci_write_config_dword(pdev, 0x48, r2);
}
#endif /* CONFIG_PATA_HPT3X3_DMA */
/**
* hpt3x3_atapi_dma - ATAPI DMA check
* @qc: Queued command
*
* Just say no - we don't do ATAPI DMA
*/
static int hpt3x3_atapi_dma(struct ata_queued_cmd *qc)
{
return 1;
}
static struct scsi_host_template hpt3x3_sht = {
.module = THIS_MODULE,
@ -105,7 +122,9 @@ static struct scsi_host_template hpt3x3_sht = {
static struct ata_port_operations hpt3x3_port_ops = {
.port_disable = ata_port_disable,
.set_piomode = hpt3x3_set_piomode,
#if defined(CONFIG_PATA_HPT3X3_DMA)
.set_dmamode = hpt3x3_set_dmamode,
#endif
.mode_filter = ata_pci_default_filter,
.tf_load = ata_tf_load,
@ -124,6 +143,7 @@ static struct ata_port_operations hpt3x3_port_ops = {
.bmdma_start = ata_bmdma_start,
.bmdma_stop = ata_bmdma_stop,
.bmdma_status = ata_bmdma_status,
.check_atapi_dma= hpt3x3_atapi_dma,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
@ -158,32 +178,79 @@ static void hpt3x3_init_chipset(struct pci_dev *dev)
pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
}
/**
* hpt3x3_init_one - Initialise an HPT343/363
* @dev: PCI device
* @pdev: PCI device
* @id: Entry in match table
*
* Perform basic initialisation. The chip has a quirk that it won't
* function unless it is at XX00. The old ATA driver touched this up
* but we leave it for pci quirks to do properly.
* Perform basic initialisation. We set the device up so we access all
* ports via BAR4. This is neccessary to work around errata.
*/
static int hpt3x3_init_one(struct pci_dev *dev, const struct pci_device_id *id)
static int hpt3x3_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
static int printed_version;
static const struct ata_port_info info = {
.sht = &hpt3x3_sht,
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
#if defined(CONFIG_PATA_HPT3X3_DMA)
/* Further debug needed */
.mwdma_mask = 0x07,
.udma_mask = 0x07,
#endif
.port_ops = &hpt3x3_port_ops
};
/* Register offsets of taskfiles in BAR4 area */
static const u8 offset_cmd[2] = { 0x20, 0x28 };
static const u8 offset_ctl[2] = { 0x36, 0x3E };
const struct ata_port_info *ppi[] = { &info, NULL };
struct ata_host *host;
int i, rc;
void __iomem *base;
hpt3x3_init_chipset(dev);
/* Now kick off ATA set up */
return ata_pci_init_one(dev, ppi);
hpt3x3_init_chipset(pdev);
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
host = ata_host_alloc_pinfo(&pdev->dev, ppi, 2);
if (!host)
return -ENOMEM;
/* acquire resources and fill host */
rc = pcim_enable_device(pdev);
if (rc)
return rc;
/* Everything is relative to BAR4 if we set up this way */
rc = pcim_iomap_regions(pdev, 1 << 4, DRV_NAME);
if (rc == -EBUSY)
pcim_pin_device(pdev);
if (rc)
return rc;
host->iomap = pcim_iomap_table(pdev);
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
return rc;
rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
return rc;
base = host->iomap[4]; /* Bus mastering base */
for (i = 0; i < host->n_ports; i++) {
struct ata_ioports *ioaddr = &host->ports[i]->ioaddr;
ioaddr->cmd_addr = base + offset_cmd[i];
ioaddr->altstatus_addr =
ioaddr->ctl_addr = base + offset_ctl[i];
ioaddr->scr_addr = NULL;
ata_std_ports(ioaddr);
ioaddr->bmdma_addr = base + 8 * i;
}
pci_set_master(pdev);
return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED,
&hpt3x3_sht);
}
#ifdef CONFIG_PM

18
drivers/ata/pata_mpc52xx.c
View File

@ -467,13 +467,27 @@ mpc52xx_ata_remove(struct of_device *op)
static int
mpc52xx_ata_suspend(struct of_device *op, pm_message_t state)
{
return 0; /* FIXME : What to do here ? */
struct ata_host *host = dev_get_drvdata(&op->dev);
return ata_host_suspend(host, state);
}
static int
mpc52xx_ata_resume(struct of_device *op)
{
return 0; /* FIXME : What to do here ? */
struct ata_host *host = dev_get_drvdata(&op->dev);
struct mpc52xx_ata_priv *priv = host->private_data;
int rv;
rv = mpc52xx_ata_hw_init(priv);
if (rv) {
printk(KERN_ERR DRV_NAME ": Error during HW init\n");
return rv;
}
ata_host_resume(host);
return 0;
}
#endif

50
drivers/ata/pata_scc.c
View File

@ -238,6 +238,12 @@ static void scc_set_dmamode (struct ata_port *ap, struct ata_device *adev)
else
offset = 0; /* 100MHz */
/* errata A308 workaround: limit ATAPI UDMA mode to UDMA4 */
if (adev->class == ATA_DEV_ATAPI && speed > XFER_UDMA_4) {
printk(KERN_INFO "%s: limit ATAPI UDMA to UDMA4\n", DRV_NAME);
speed = XFER_UDMA_4;
}
if (speed >= XFER_UDMA_0)
idx = speed - XFER_UDMA_0;
else
@ -724,22 +730,36 @@ static void scc_bmdma_stop (struct ata_queued_cmd *qc)
static u8 scc_bmdma_status (struct ata_port *ap)
{
u8 host_stat;
void __iomem *mmio = ap->ioaddr.bmdma_addr;
u8 host_stat = in_be32(mmio + SCC_DMA_STATUS);
u32 int_status = in_be32(mmio + SCC_DMA_INTST);
struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
static int retry = 0;
host_stat = in_be32(mmio + SCC_DMA_STATUS);
/* return if IOS_SS is cleared */
if (!(in_be32(mmio + SCC_DMA_CMD) & ATA_DMA_START))
return host_stat;
/* Workaround for PTERADD: emulate DMA_INTR when
* - IDE_STATUS[ERR] = 1
* - INT_STATUS[INTRQ] = 1
* - DMA_STATUS[IORACTA] = 1
*/
if (!(host_stat & ATA_DMA_INTR)) {
u32 int_status = in_be32(mmio + SCC_DMA_INTST);
if (ata_altstatus(ap) & ATA_ERR &&
int_status & INTSTS_INTRQ &&
host_stat & ATA_DMA_ACTIVE)
host_stat |= ATA_DMA_INTR;
/* errata A252,A308 workaround: Step4 */
if (ata_altstatus(ap) & ATA_ERR && int_status & INTSTS_INTRQ)
return (host_stat | ATA_DMA_INTR);
/* errata A308 workaround Step5 */
if (int_status & INTSTS_IOIRQS) {
host_stat |= ATA_DMA_INTR;
/* We don't check ATAPI DMA because it is limited to UDMA4 */
if ((qc->tf.protocol == ATA_PROT_DMA &&
qc->dev->xfer_mode > XFER_UDMA_4)) {
if (!(int_status & INTSTS_ACTEINT)) {
printk(KERN_WARNING "ata%u: data lost occurred. (ACTEINT==0, retry:%d)\n",
ap->print_id, retry);
host_stat |= ATA_DMA_ERR;
if (retry++)
ap->udma_mask >>= 1;
} else
retry = 0;
}
}
return host_stat;
@ -892,10 +912,6 @@ static void scc_std_postreset (struct ata_port *ap, unsigned int *classes)
{
DPRINTK("ENTER\n");
/* re-enable interrupts */
if (!ap->ops->error_handler)
ap->ops->irq_on(ap);
/* is double-select really necessary? */
if (classes[0] != ATA_DEV_NONE)
ap->ops->dev_select(ap, 1);

3
drivers/ata/pata_sis.c
View File

@ -149,6 +149,9 @@ static int sis_pre_reset(struct ata_port *ap, unsigned long deadline)
if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no]))
return -ENOENT;
/* Clear the FIFO settings. We can't enable the FIFO until
we know we are poking at a disk */
pci_write_config_byte(pdev, 0x4B, 0);
return ata_std_prereset(ap, deadline);
}

889
drivers/ata/sata_mv.c
View File

File diff suppressed because it is too large Load Diff

2
drivers/ata/sata_nv.c
View File

@ -1560,7 +1560,7 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
}
ppi[0] = &nv_port_info[type];
rc = ata_pci_prepare_native_host(pdev, ppi, &host);
rc = ata_pci_prepare_sff_host(pdev, ppi, &host);
if (rc)
return rc;

41
drivers/ata/sata_promise.c
View File

@ -45,7 +45,7 @@
#include "sata_promise.h"
#define DRV_NAME "sata_promise"
#define DRV_VERSION "2.08"
#define DRV_VERSION "2.09"
enum {
PDC_MAX_PORTS = 4,
@ -716,6 +716,9 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance)
unsigned int i, tmp;
unsigned int handled = 0;
void __iomem *mmio_base;
unsigned int hotplug_offset, ata_no;
u32 hotplug_status;
int is_sataii_tx4;
VPRINTK("ENTER\n");
@ -726,10 +729,20 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance)
mmio_base = host->iomap[PDC_MMIO_BAR];
/* read and clear hotplug flags for all ports */
if (host->ports[0]->flags & PDC_FLAG_GEN_II)
hotplug_offset = PDC2_SATA_PLUG_CSR;
else
hotplug_offset = PDC_SATA_PLUG_CSR;
hotplug_status = readl(mmio_base + hotplug_offset);
if (hotplug_status & 0xff)
writel(hotplug_status | 0xff, mmio_base + hotplug_offset);
hotplug_status &= 0xff; /* clear uninteresting bits */
/* reading should also clear interrupts */
mask = readl(mmio_base + PDC_INT_SEQMASK);
if (mask == 0xffffffff) {
if (mask == 0xffffffff && hotplug_status == 0) {
VPRINTK("QUICK EXIT 2\n");
return IRQ_NONE;
}
@ -737,16 +750,34 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance)
spin_lock(&host->lock);
mask &= 0xffff; /* only 16 tags possible */
if (!mask) {
if (mask == 0 && hotplug_status == 0) {
VPRINTK("QUICK EXIT 3\n");
goto done_irq;
}
writel(mask, mmio_base + PDC_INT_SEQMASK);
is_sataii_tx4 = pdc_is_sataii_tx4(host->ports[0]->flags);
for (i = 0; i < host->n_ports; i++) {
VPRINTK("port %u\n", i);
ap = host->ports[i];
/* check for a plug or unplug event */
ata_no = pdc_port_no_to_ata_no(i, is_sataii_tx4);
tmp = hotplug_status & (0x11 << ata_no);
if (tmp && ap &&
!(ap->flags & ATA_FLAG_DISABLED)) {
struct ata_eh_info *ehi = &ap->eh_info;
ata_ehi_clear_desc(ehi);
ata_ehi_hotplugged(ehi);
ata_ehi_push_desc(ehi, "hotplug_status %#x", tmp);
ata_port_freeze(ap);
++handled;
continue;
}
/* check for a packet interrupt */
tmp = mask & (1 << (i + 1));
if (tmp && ap &&
!(ap->flags & ATA_FLAG_DISABLED)) {
@ -902,9 +933,9 @@ static void pdc_host_init(struct ata_host *host)
tmp = readl(mmio + hotplug_offset);
writel(tmp | 0xff, mmio + hotplug_offset);
/* mask plug/unplug ints */
/* unmask plug/unplug ints */
tmp = readl(mmio + hotplug_offset);
writel(tmp | 0xff0000, mmio + hotplug_offset);
writel(tmp & ~0xff0000, mmio + hotplug_offset);
/* don't initialise TBG or SLEW on 2nd generation chips */
if (is_gen2)

2
drivers/ata/sata_sis.c
View File

@ -334,7 +334,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
break;
}
rc = ata_pci_prepare_native_host(pdev, ppi, &host);
rc = ata_pci_prepare_sff_host(pdev, ppi, &host);
if (rc)
return rc;

2
drivers/ata/sata_uli.c
View File

@ -213,7 +213,7 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
host->private_data = hpriv;
/* the first two ports are standard SFF */
rc = ata_pci_init_native_host(host);
rc = ata_pci_init_sff_host(host);
if (rc)
return rc;

2
drivers/ata/sata_via.c
View File

@ -412,7 +412,7 @@ static int vt6420_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
struct ata_host *host;
int rc;
rc = ata_pci_prepare_native_host(pdev, ppi, &host);
rc = ata_pci_prepare_sff_host(pdev, ppi, &host);
if (rc)
return rc;
*r_host = host;

29
include/linux/ata.h
View File

@ -164,6 +164,8 @@ enum {
ATA_CMD_SET_MAX = 0xF9,
ATA_CMD_SET_MAX_EXT = 0x37,
ATA_CMD_READ_LOG_EXT = 0x2f,
ATA_CMD_PMP_READ = 0xE4,
ATA_CMD_PMP_WRITE = 0xE8,
/* READ_LOG_EXT pages */
ATA_LOG_SATA_NCQ = 0x10,
@ -212,6 +214,28 @@ enum {
0=to device, 1=to host */
ATAPI_CDB_LEN = 16,
/* PMP stuff */
SATA_PMP_MAX_PORTS = 15,
SATA_PMP_CTRL_PORT = 15,
SATA_PMP_GSCR_DWORDS = 128,
SATA_PMP_GSCR_PROD_ID = 0,
SATA_PMP_GSCR_REV = 1,
SATA_PMP_GSCR_PORT_INFO = 2,
SATA_PMP_GSCR_ERROR = 32,
SATA_PMP_GSCR_ERROR_EN = 33,
SATA_PMP_GSCR_FEAT = 64,
SATA_PMP_GSCR_FEAT_EN = 96,
SATA_PMP_PSCR_STATUS = 0,
SATA_PMP_PSCR_ERROR = 1,
SATA_PMP_PSCR_CONTROL = 2,
SATA_PMP_FEAT_BIST = (1 << 0),
SATA_PMP_FEAT_PMREQ = (1 << 1),
SATA_PMP_FEAT_DYNSSC = (1 << 2),
SATA_PMP_FEAT_NOTIFY = (1 << 3),
/* cable types */
ATA_CBL_NONE = 0,
ATA_CBL_PATA40 = 1,
@ -418,4 +442,9 @@ static inline int lba_48_ok(u64 block, u32 n_block)
return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= 65536);
}
#define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff)
#define sata_pmp_gscr_devid(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] >> 16)
#define sata_pmp_gscr_rev(gscr) (((gscr)[SATA_PMP_GSCR_REV] >> 8) & 0xff)
#define sata_pmp_gscr_ports(gscr) ((gscr)[SATA_PMP_GSCR_PORT_INFO] & 0xf)
#endif /* __LINUX_ATA_H__ */

12
include/linux/libata.h
View File

@ -196,7 +196,6 @@ enum {
ATA_PFLAG_SCSI_HOTPLUG = (1 << 6), /* SCSI hotplug scheduled */
ATA_PFLAG_INITIALIZING = (1 << 7), /* being initialized, don't touch */
ATA_PFLAG_FLUSH_PORT_TASK = (1 << 16), /* flush port task */
ATA_PFLAG_SUSPENDED = (1 << 17), /* port is suspended (power) */
ATA_PFLAG_PM_PENDING = (1 << 18), /* PM operation pending */
ATA_PFLAG_GTM_VALID = (1 << 19), /* acpi_gtm data valid */
@ -435,6 +434,7 @@ struct ata_device {
struct ata_port *ap;
unsigned int devno; /* 0 or 1 */
unsigned long flags; /* ATA_DFLAG_xxx */
unsigned int horkage; /* List of broken features */
struct scsi_device *sdev; /* attached SCSI device */
#ifdef CONFIG_ATA_ACPI
acpi_handle acpi_handle;
@ -466,7 +466,6 @@ struct ata_device {
/* error history */
struct ata_ering ering;
int spdn_cnt;
unsigned int horkage; /* List of broken features */
};
/* Offset into struct ata_device. Fields above it are maintained
@ -794,7 +793,6 @@ extern void ata_id_string(const u16 *id, unsigned char *s,
extern void ata_id_c_string(const u16 *id, unsigned char *s,
unsigned int ofs, unsigned int len);
extern void ata_id_to_dma_mode(struct ata_device *dev, u8 unknown);
extern unsigned long ata_device_blacklisted(const struct ata_device *dev);
extern void ata_bmdma_setup (struct ata_queued_cmd *qc);
extern void ata_bmdma_start (struct ata_queued_cmd *qc);
extern void ata_bmdma_stop(struct ata_queued_cmd *qc);
@ -871,11 +869,11 @@ struct pci_bits {
unsigned long val;
};
extern int ata_pci_init_native_host(struct ata_host *host);
extern int ata_pci_init_sff_host(struct ata_host *host);
extern int ata_pci_init_bmdma(struct ata_host *host);
extern int ata_pci_prepare_native_host(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct ata_host **r_host);
extern int ata_pci_prepare_sff_host(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct ata_host **r_host);
extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
extern unsigned long ata_pci_default_filter(struct ata_device *, unsigned long);
#endif /* CONFIG_PCI */