From 3eb0822c6740c5564c37a2fe56449cdb4f3d800c Mon Sep 17 00:00:00 2001 From: "Kashyap, Desai" Date: Fri, 29 May 2009 16:47:26 +0530 Subject: [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 Signed-off-by: James Bottomley --- drivers/message/fusion/mptbase.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/message/fusion/mptbase.c') diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index ae203eca831..d67b26378a5 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); -- cgit v1.2.3-70-g09d2