[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>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 24d60128bfe6..b6efc64e8264 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -694,9 +694,18 @@ typedef struct _MPT_ADAPTER
         struct net_device       *netdev;
         struct list_head         sas_topology;
         struct mutex             sas_topology_mutex;
+
+        struct workqueue_struct *fw_event_q;
+        struct list_head         fw_event_list;
+        spinlock_t               fw_event_lock;
+        u8                       fw_events_off; /* if '1', then ignore events */
+        char                     fw_event_q_name[20];
+
         struct mutex             sas_discovery_mutex;
         u8                       sas_discovery_runtime;
         u8                       sas_discovery_ignore_events;
+        struct list_head         sas_device_info_list;
+        struct mutex             sas_device_info_mutex;
         u8                       sas_discovery_quiesce_io;
         int                      sas_index; /* index refrencing */
         MPT_MGMT                 sas_mgmt;