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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixe…
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…s-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] mpt2sas: fix config request and diag reset deadlock
  [SCSI] mpt2sas: Bump driver version 01.100.04.00
  [SCSI] mpt2sas: fix oops because drv data points to NULL on resume from hibernate
  [SCSI] mpt2sas: fix crash due to Watchdog is active while OS in standby mode
  [SCSI] mpt2sas: fix infinite loop inside config request
  [SCSI] mpt2sas: Excessive log info causes sas iounit page time out
  [SCSI] mpt2sas: Raid 10 Value is showing as Raid 1E in /va/log/messages
  [SCSI] mpt2sas: Expander fix oops saying "Already part of another port"
  [SCSI] mpt2sas: Introduced check for enclosure_handle to avoid crash
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Linus Torvalds committed Aug 22, 2009
2 parents 422bef8 + 388ce4b commit e3054ea
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Showing 4 changed files with 185 additions and 134 deletions.
98 changes: 67 additions & 31 deletions drivers/scsi/mpt2sas/mpt2sas_base.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,64 @@ _base_fault_reset_work(struct work_struct *work)
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
}

/**
* mpt2sas_base_start_watchdog - start the fault_reset_work_q
* @ioc: pointer to scsi command object
* Context: sleep.
*
* Return nothing.
*/
void
mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc)
{
unsigned long flags;

if (ioc->fault_reset_work_q)
return;

/* initialize fault polling */
INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
snprintf(ioc->fault_reset_work_q_name,
sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id);
ioc->fault_reset_work_q =
create_singlethread_workqueue(ioc->fault_reset_work_q_name);
if (!ioc->fault_reset_work_q) {
printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n",
ioc->name, __func__, __LINE__);
return;
}
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->fault_reset_work_q)
queue_delayed_work(ioc->fault_reset_work_q,
&ioc->fault_reset_work,
msecs_to_jiffies(FAULT_POLLING_INTERVAL));
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
}

/**
* mpt2sas_base_stop_watchdog - stop the fault_reset_work_q
* @ioc: pointer to scsi command object
* Context: sleep.
*
* Return nothing.
*/
void
mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc)
{
unsigned long flags;
struct workqueue_struct *wq;

spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
wq = ioc->fault_reset_work_q;
ioc->fault_reset_work_q = NULL;
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
if (wq) {
if (!cancel_delayed_work(&ioc->fault_reset_work))
flush_workqueue(wq);
destroy_workqueue(wq);
}
}

#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
/**
* _base_sas_ioc_info - verbose translation of the ioc status
Expand Down Expand Up @@ -440,6 +498,10 @@ _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info)
if (sas_loginfo.dw.bus_type != 3 /*SAS*/)
return;

/* each nexus loss loginfo */
if (log_info == 0x31170000)
return;

/* eat the loginfos associated with task aborts */
if (ioc->ignore_loginfos && (log_info == 30050000 || log_info ==
0x31140000 || log_info == 0x31130000))
Expand Down Expand Up @@ -1109,7 +1171,6 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
}
}

pci_set_drvdata(pdev, ioc->shost);
_base_mask_interrupts(ioc);
r = _base_enable_msix(ioc);
if (r)
Expand All @@ -1132,7 +1193,6 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
ioc->pci_irq = -1;
pci_release_selected_regions(ioc->pdev, ioc->bars);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
return r;
}

Expand Down Expand Up @@ -3191,7 +3251,6 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
ioc->chip_phys = 0;
pci_release_selected_regions(ioc->pdev, ioc->bars);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
return;
}

Expand All @@ -3205,7 +3264,6 @@ int
mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
{
int r, i;
unsigned long flags;

dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
__func__));
Expand All @@ -3214,6 +3272,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
if (r)
return r;

pci_set_drvdata(ioc->pdev, ioc->shost);
r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
if (r)
goto out_free_resources;
Expand Down Expand Up @@ -3288,30 +3347,15 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
if (r)
goto out_free_resources;

/* initialize fault polling */
INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
snprintf(ioc->fault_reset_work_q_name,
sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id);
ioc->fault_reset_work_q =
create_singlethread_workqueue(ioc->fault_reset_work_q_name);
if (!ioc->fault_reset_work_q) {
printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n",
ioc->name, __func__, __LINE__);
goto out_free_resources;
}
spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
if (ioc->fault_reset_work_q)
queue_delayed_work(ioc->fault_reset_work_q,
&ioc->fault_reset_work,
msecs_to_jiffies(FAULT_POLLING_INTERVAL));
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
mpt2sas_base_start_watchdog(ioc);
return 0;

out_free_resources:

ioc->remove_host = 1;
mpt2sas_base_free_resources(ioc);
_base_release_memory_pools(ioc);
pci_set_drvdata(ioc->pdev, NULL);
kfree(ioc->tm_cmds.reply);
kfree(ioc->transport_cmds.reply);
kfree(ioc->config_cmds.reply);
Expand All @@ -3337,22 +3381,14 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
void
mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc)
{
unsigned long flags;
struct workqueue_struct *wq;

dexitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
__func__));

spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
wq = ioc->fault_reset_work_q;
ioc->fault_reset_work_q = NULL;
spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
if (!cancel_delayed_work(&ioc->fault_reset_work))
flush_workqueue(wq);
destroy_workqueue(wq);

mpt2sas_base_stop_watchdog(ioc);
mpt2sas_base_free_resources(ioc);
_base_release_memory_pools(ioc);
pci_set_drvdata(ioc->pdev, NULL);
kfree(ioc->pfacts);
kfree(ioc->ctl_cmds.reply);
kfree(ioc->base_cmds.reply);
Expand Down
6 changes: 4 additions & 2 deletions drivers/scsi/mpt2sas/mpt2sas_base.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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 "01.100.03.00"
#define MPT2SAS_DRIVER_VERSION "01.100.04.00"
#define MPT2SAS_MAJOR_VERSION 01
#define MPT2SAS_MINOR_VERSION 100
#define MPT2SAS_BUILD_VERSION 03
#define MPT2SAS_BUILD_VERSION 04
#define MPT2SAS_RELEASE_VERSION 00

/*
Expand Down Expand Up @@ -673,6 +673,8 @@ typedef void (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID,

/* base shared API */
extern struct list_head mpt2sas_ioc_list;
void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);

int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
Expand Down
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