[SCSI] qla2xxx: changes in multiq code

Following changes have been made:
 1. Scan outstanding commands only in the queue where it is submitted
 2. Update queue registers directly in the fast path
 3. Queue specific BAR is remapped only for multiq capable adapters

Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 5ecf29283b6b..a29c95204975 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -181,11 +181,14 @@
 #define RESPONSE_ENTRY_CNT_2100         64      /* Number of response entries.*/
 #define RESPONSE_ENTRY_CNT_2300         512     /* Number of response entries.*/
 
+struct req_que;
+
 /*
  * SCSI Request Block
  */
 typedef struct srb {
         struct scsi_qla_host *vha;      /* HA the SP is queued on */
+        struct req_que *que;
         struct fc_port *fcport;
 
         struct scsi_cmnd *cmd;          /* Linux SCSI command pkt */
@@ -2045,7 +2048,6 @@ typedef struct vport_params {
 #define VP_RET_CODE_NOT_FOUND           6
 
 struct qla_hw_data;
-struct req_que;
 
 /*
  * ISP operations
@@ -2101,6 +2103,9 @@ struct isp_operations {
 
         int (*get_flash_version) (struct scsi_qla_host *, void *);
         int (*start_scsi) (srb_t *);
+        void (*wrt_req_reg) (struct qla_hw_data *, uint16_t, uint16_t);
+        void (*wrt_rsp_reg) (struct qla_hw_data *, uint16_t, uint16_t);
+        uint16_t (*rd_req_reg) (struct qla_hw_data *, uint16_t);
 };
 
 /* MSI-X Support *************************************************************/