[SCSI] mpt fusion: Added support for Broadcast primitives Event handling

Firmware is able to handle Broadcast primitives, but upstream driver does not
have support for broadcast primitive handling. Now this patch is mainly to
support broadcast primitives.

Signed-off-by: Kashyap Desai <kadesai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index cf1aba18a09f..96681203d4a9 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -80,6 +80,7 @@ MODULE_VERSION(my_VERSION);
 /*
  *  Other private/forward protos...
  */
+struct scsi_cmnd        *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
 static void     mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
 static int      SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
@@ -2419,6 +2420,26 @@ mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR
         }
 }
 
+/**
+ * mptscsih_get_scsi_lookup - retrieves scmd entry
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @i: index into the array
+ *
+ * Returns the scsi_cmd pointer
+ */
+struct scsi_cmnd *
+mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
+{
+        unsigned long   flags;
+        struct scsi_cmnd *scmd;
+
+        spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+        scmd = ioc->ScsiLookup[i];
+        spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+
+        return scmd;
+}
+EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
 
 /**
  * mptscsih_getclear_scsi_lookup