scsi: qla2xxx: Migrate switch registration commands away from mailbox…

… interface

Migrate switch registration commands: RFTID, RFFID, RNNID and RSNN_NN
out of mailbox interface to reduce fabric scan bottle neck.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_def.h

@@ -535,6 +535,7 @@ typedef struct srb {
 	u32 gen1;	/* scratch */
 	u32 gen2;	/* scratch */
 	int rc;
+	int retry_count;
 	struct completion comp;
 	union {
 		struct srb_iocb iocb_cmd;
@@ -3187,7 +3188,7 @@ enum qla_work_type {
 	QLA_EVT_AENFX,
 	QLA_EVT_GIDPN,
 	QLA_EVT_GPNID,
-	QLA_EVT_GPNID_DONE,
+	QLA_EVT_UNMAP,
 	QLA_EVT_NEW_SESS,
 	QLA_EVT_GPDB,
 	QLA_EVT_PRLI,
@@ -3203,6 +3204,7 @@ enum qla_work_type {
 	QLA_EVT_GNNFT_DONE,
 	QLA_EVT_GNNID,
 	QLA_EVT_GFPNID,
+	QLA_EVT_SP_RETRY,
 };
 
 

drivers/scsi/qla2xxx/qla_gbl.h

@@ -650,7 +650,6 @@ extern void qla2x00_free_fcport(fc_port_t *);
 
 extern int qla24xx_post_gpnid_work(struct scsi_qla_host *, port_id_t *);
 extern int qla24xx_async_gpnid(scsi_qla_host_t *, port_id_t *);
-void qla24xx_async_gpnid_done(scsi_qla_host_t *, srb_t*);
 void qla24xx_handle_gpnid_event(scsi_qla_host_t *, struct event_arg *);
 
 int qla24xx_post_gpsc_work(struct scsi_qla_host *, fc_port_t *);
@@ -668,6 +667,7 @@ int qla24xx_post_gnnid_work(struct scsi_qla_host *, fc_port_t *);
 int qla24xx_post_gfpnid_work(struct scsi_qla_host *, fc_port_t *);
 int qla24xx_async_gfpnid(scsi_qla_host_t *, fc_port_t *);
 void qla24xx_handle_gfpnid_event(scsi_qla_host_t *, struct event_arg *);
+void qla24xx_sp_unmap(scsi_qla_host_t *, srb_t *);
 
 /*
  * Global Function Prototypes in qla_attr.c source file.