diff options
Diffstat (limited to 'drivers/message/fusion/mptbase.c')
-rw-r--r-- | drivers/message/fusion/mptbase.c | 80 |
1 files changed, 66 insertions, 14 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index d8d5231f484e..af862bf6386f 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -341,7 +341,7 @@ mpt_fault_reset_work(struct work_struct *work) int rc; unsigned long flags; - if (ioc->diagPending || !ioc->active) + if (ioc->ioc_reset_in_progress || !ioc->active) goto out; ioc_raw_state = mpt_GetIocState(ioc, 0); @@ -1771,14 +1771,15 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) ioc->reply_sz = MPT_REPLY_FRAME_SIZE; ioc->pcidev = pdev; - ioc->diagPending = 0; - spin_lock_init(&ioc->diagLock); spin_lock_init(&ioc->initializing_hba_lock); + spin_lock_init(&ioc->taskmgmt_lock); mutex_init(&ioc->internal_cmds.mutex); init_completion(&ioc->internal_cmds.done); mutex_init(&ioc->mptbase_cmds.mutex); init_completion(&ioc->mptbase_cmds.done); + mutex_init(&ioc->taskmgmt_cmds.mutex); + init_completion(&ioc->taskmgmt_cmds.done); /* Initialize the event logging. */ @@ -6572,6 +6573,53 @@ mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int sh *size = y; } +/** + * mpt_set_taskmgmt_in_progress_flag - set flags associated with task managment + * @ioc: Pointer to MPT_ADAPTER structure + * + * Returns 0 for SUCCESS or -1 if FAILED. + * + * If -1 is return, then it was not possible to set the flags + **/ +int +mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc) +{ + unsigned long flags; + int retval; + + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress || ioc->taskmgmt_in_progress || + (ioc->alt_ioc && ioc->alt_ioc->taskmgmt_in_progress)) { + retval = -1; + goto out; + } + retval = 0; + ioc->taskmgmt_in_progress = 1; + if (ioc->alt_ioc) + ioc->alt_ioc->taskmgmt_in_progress = 1; + out: + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + return retval; +} +EXPORT_SYMBOL(mpt_set_taskmgmt_in_progress_flag); + +/** + * mpt_clear_taskmgmt_in_progress_flag - clear flags associated with task managment + * @ioc: Pointer to MPT_ADAPTER structure + * + **/ +void +mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc) +{ + unsigned long flags; + + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + ioc->taskmgmt_in_progress = 0; + if (ioc->alt_ioc) + ioc->alt_ioc->taskmgmt_in_progress = 0; + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); +} +EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag); /** @@ -6638,14 +6686,15 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) /* Reset the adapter. Prevent more than 1 call to * mpt_do_ioc_recovery at any instant in time. */ - spin_lock_irqsave(&ioc->diagLock, flags); - if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)){ - spin_unlock_irqrestore(&ioc->diagLock, flags); + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress) { + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); return 0; - } else { - ioc->diagPending = 1; } - spin_unlock_irqrestore(&ioc->diagLock, flags); + ioc->ioc_reset_in_progress = 1; + if (ioc->alt_ioc) + ioc->alt_ioc->ioc_reset_in_progress = 1; + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); /* FIXME: If do_ioc_recovery fails, repeat.... */ @@ -6680,11 +6729,14 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) if (ioc->alt_ioc) ioc->alt_ioc->reload_fw = 0; - spin_lock_irqsave(&ioc->diagLock, flags); - ioc->diagPending = 0; - if (ioc->alt_ioc) - ioc->alt_ioc->diagPending = 0; - spin_unlock_irqrestore(&ioc->diagLock, flags); + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + ioc->ioc_reset_in_progress = 0; + ioc->taskmgmt_in_progress = 0; + if (ioc->alt_ioc) { + ioc->alt_ioc->ioc_reset_in_progress = 0; + ioc->alt_ioc->taskmgmt_in_progress = 0; + } + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler rc = %d!\n", ioc->name, rc)); |