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[SCSI] mpt fusion: Firmware event implementation using seperate WorkQueue

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Now Firmware events are handled by firmware event queue.
Previously it was handled in interrupt context/WorkQueue of Linux.
Firmware Event handling is restructured and optimized.

Signed-off-by: Kashyap Desai <kadesai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Kashyap, Desai
2009-05-29 16:47:26 +05:30
committed by James Bottomley
parent ea2a788de4
commit 3eb0822c67
4 changed files with 992 additions and 454 deletions
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10
drivers/message/fusion/mptbase.c
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@@ -1931,6 +1931,11 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
*/
mpt_detect_bound_ports(ioc, pdev);
INIT_LIST_HEAD(&ioc->fw_event_list);
spin_lock_init(&ioc->fw_event_lock);
snprintf(ioc->fw_event_q_name, 20, "mpt/%d", ioc->id);
ioc->fw_event_q = create_singlethread_workqueue(ioc->fw_event_q_name);
if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
CAN_SLEEP)) != 0){
printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n",
@@ -2010,6 +2015,11 @@ mpt_detach(struct pci_dev *pdev)
cancel_delayed_work(&ioc->fault_reset_work);
destroy_workqueue(wq);
spin_lock_irqsave(&ioc->fw_event_lock, flags);
wq = ioc->fw_event_q;
ioc->fw_event_q = NULL;
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
destroy_workqueue(wq);
sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
remove_proc_entry(pname, NULL);