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authorKashyap, Desai <kashyap.desai@lsi.com>2009-05-29 16:47:26 +0530
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-06-09 17:41:36 -0500
commit3eb0822c6740c5564c37a2fe56449cdb4f3d800c (patch)
tree10c2a016020e4363b4db164b09f48530fbcaa517 /drivers/message/fusion/mptbase.c
parentea2a788de4ce5ebab09276e25443f55592af2335 (diff)
downloadlinux-3eb0822c6740c5564c37a2fe56449cdb4f3d800c.tar.bz2
[SCSI] mpt fusion: Firmware event implementation using seperate WorkQueue
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>
Diffstat (limited to 'drivers/message/fusion/mptbase.c')
-rw-r--r--drivers/message/fusion/mptbase.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index ae203eca831f..d67b26378a52 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -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);