[SCSI] qla2xxx: Issue mailbox command only when firmware hung bit is reset for ISP82xx.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/qla2xxx/qla_gbl.h

@@ -574,6 +574,7 @@ extern int qla82xx_mbx_intr_enable(scsi_qla_host_t *);
 extern int qla82xx_mbx_intr_disable(scsi_qla_host_t *);
 extern void qla82xx_start_iocbs(srb_t *);
 extern int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *);
+extern int qla82xx_check_md_needed(scsi_qla_host_t *);
 extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *);
 extern int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *, int);
 extern char *qdev_state(uint32_t);

drivers/scsi/qla2xxx/qla_init.c

@@ -1480,13 +1480,19 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
 			if (rval == QLA_SUCCESS) {
 enable_82xx_npiv:
 				fw_major_version = ha->fw_major_version;
+				if (IS_QLA82XX(ha))
+					qla82xx_check_md_needed(vha);
+				else {
 					rval = qla2x00_get_fw_version(vha,
 					    &ha->fw_major_version,
 					    &ha->fw_minor_version,
 					    &ha->fw_subminor_version,
-				    &ha->fw_attributes, &ha->fw_memory_size,
-				    ha->mpi_version, &ha->mpi_capabilities,
+					    &ha->fw_attributes,
+					    &ha->fw_memory_size,
+					    ha->mpi_version,
+					    &ha->mpi_capabilities,
 					    ha->phy_version);
+				}
 				if (rval != QLA_SUCCESS)
 					goto failed;
 				ha->flags.npiv_supported = 0;
@@ -5441,11 +5447,7 @@ qla82xx_restart_isp(scsi_qla_host_t *vha)
 		clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
 
 		/* Update the firmware version */
-		qla2x00_get_fw_version(vha, &ha->fw_major_version,
-		    &ha->fw_minor_version, &ha->fw_subminor_version,
-		    &ha->fw_attributes, &ha->fw_memory_size,
-		    ha->mpi_version, &ha->mpi_capabilities,
-		    ha->phy_version);
+		status = qla82xx_check_md_needed(vha);
 
 		if (ha->fce) {
 			ha->flags.fce_enabled = 1;

drivers/scsi/qla2xxx/qla_nx.c

@@ -3619,44 +3619,52 @@ qla82xx_need_reset_handler(scsi_qla_host_t *vha)
 	}
 }
 
-static void
+int
 qla82xx_check_md_needed(scsi_qla_host_t *vha)
 {
 	struct qla_hw_data *ha = vha->hw;
 	uint16_t fw_major_version, fw_minor_version, fw_subminor_version;
-	uint16_t fw_attributes;
-	uint32_t fw_memory_size, mpi_capabilities;
-	uint8_t	mpi_version[3], phy_version[3];
+	int rval = QLA_SUCCESS;
 
-	if (!ha->fw_dumped) {
-		qla2x00_get_fw_version(vha,
-		    &fw_major_version,
-		    &fw_minor_version,
-		    &fw_subminor_version,
-		    &fw_attributes, &fw_memory_size,
-		    mpi_version, &mpi_capabilities,
-		    phy_version);
+	fw_major_version = ha->fw_major_version;
+	fw_minor_version = ha->fw_minor_version;
+	fw_subminor_version = ha->fw_subminor_version;
+
+	rval = qla2x00_get_fw_version(vha, &ha->fw_major_version,
+	    &ha->fw_minor_version, &ha->fw_subminor_version,
+	    &ha->fw_attributes, &ha->fw_memory_size,
+	    ha->mpi_version, &ha->mpi_capabilities,
+	    ha->phy_version);
+
+	if (rval != QLA_SUCCESS)
+		return rval;
 
+	if (ql2xmdenable) {
+		if (!ha->fw_dumped) {
 			if (fw_major_version != ha->fw_major_version ||
 			    fw_minor_version != ha->fw_minor_version ||
 			    fw_subminor_version != ha->fw_subminor_version) {
+
 				ql_log(ql_log_info, vha, 0xb02d,
 				    "Firmware version differs "
 				    "Previous version: %d:%d:%d - "
 				    "New version: %d:%d:%d\n",
 				    ha->fw_major_version,
-			    ha->fw_minor_version, ha->fw_subminor_version,
+				    ha->fw_minor_version,
+				    ha->fw_subminor_version,
 				    fw_major_version, fw_minor_version,
 				    fw_subminor_version);
 				/* Release MiniDump resources */
 				qla82xx_md_free(vha);
 				/* ALlocate MiniDump resources */
 				qla82xx_md_prep(vha);
-		}
 			} else
 				ql_log(ql_log_info, vha, 0xb02e,
 				    "Firmware dump available to retrieve\n",
 				    vha->host_no);
+		}
+	}
+	return rval;
 }