[SCSI] qla2xxx: Retrieve max-NPIV support capabilities from FW.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

5 files changed, 22 insertions, 13 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 445d583cf713..c90dc59abe0f 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1250,6 +1250,6 @@ qla2x00_init_host_attr(scsi_qla_host_t *ha)
         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
-        fc_host_max_npiv_vports(ha->host) = MAX_NUM_VPORT_FABRIC;
+        fc_host_max_npiv_vports(ha->host) = ha->max_npiv_vports;;
         fc_host_npiv_vports_inuse(ha->host) = ha->cur_vport_count;
 }
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 511e3cd435fa..1396f4df7bd6 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2534,7 +2534,7 @@ typedef struct scsi_qla_host {
 #define VP_ERR_FAB_NORESOURCES  3
 #define VP_ERR_FAB_LOGOUT       4
 #define VP_ERR_ADAP_NORESOURCES 5
-        int             max_npiv_vports;        /* 63 or 125 per topoloty */
+        uint16_t        max_npiv_vports;        /* 63 or 125 per topoloty */
         int             cur_vport_count;
 } scsi_qla_host_t;
 
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index e8122e8444c7..09cb2a908059 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -215,8 +215,8 @@ extern int
 qla2x00_get_id_list(scsi_qla_host_t *, void *, dma_addr_t, uint16_t *);
 
 extern int
-qla2x00_get_resource_cnts(scsi_qla_host_t *, uint16_t *, uint16_t *, uint16_t *,
-    uint16_t *);
+qla2x00_get_resource_cnts(scsi_qla_host_t *, uint16_t *, uint16_t *,
+    uint16_t *, uint16_t *, uint16_t *);
 
 extern int
 qla2x00_get_fcal_position_map(scsi_qla_host_t *ha, char *pos_map);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 083997c3066e..e449f4807bb1 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -849,7 +849,8 @@ qla2x00_resize_request_q(scsi_qla_host_t *ha)
                 return;
 
         /* Retrieve IOCB counts available to the firmware. */
-        rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
+        rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt,
+            &ha->max_npiv_vports);
         if (rval)
                 return;
         /* No point in continuing if current settings are sufficient. */
@@ -916,9 +917,15 @@ qla2x00_setup_chip(scsi_qla_host_t *ha)
                                     &ha->fw_attributes, &ha->fw_memory_size);
                                 qla2x00_resize_request_q(ha);
                                 ha->flags.npiv_supported = 0;
-                                if (IS_QLA24XX(ha) &&
-                                    (ha->fw_attributes & BIT_2))
+                                if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) &&
+                                    (ha->fw_attributes & BIT_2)) {
                                         ha->flags.npiv_supported = 1;
+                                        if ((!ha->max_npiv_vports) ||
+                                            ((ha->max_npiv_vports + 1) %
+                                            MAX_MULTI_ID_FABRIC))
+                                                ha->max_npiv_vports =
+                                                    MAX_NUM_VPORT_FABRIC;
+                                }
 
                                 if (ql2xallocfwdump)
                                         qla2x00_alloc_fw_dump(ha);
@@ -1155,8 +1162,7 @@ qla2x00_init_rings(scsi_qla_host_t *ha)
 
         DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
 
-        mid_init_cb->count = MAX_NUM_VPORT_FABRIC;
-        ha->max_npiv_vports = MAX_NUM_VPORT_FABRIC;
+        mid_init_cb->count = ha->max_npiv_vports;
 
         rval = qla2x00_init_firmware(ha, ha->init_cb_size);
         if (rval) {
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index e4f4b1fc2b29..ec48871ad55c 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -1919,7 +1919,8 @@ qla2x00_get_id_list(scsi_qla_host_t *ha, void *id_list, dma_addr_t id_list_dma,
  */
 int
 qla2x00_get_resource_cnts(scsi_qla_host_t *ha, uint16_t *cur_xchg_cnt,
-    uint16_t *orig_xchg_cnt, uint16_t *cur_iocb_cnt, uint16_t *orig_iocb_cnt)
+    uint16_t *orig_xchg_cnt, uint16_t *cur_iocb_cnt,
+    uint16_t *orig_iocb_cnt, uint16_t *max_npiv_vports)
 {
         int rval;
         mbx_cmd_t mc;
@@ -1929,7 +1930,7 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *ha, uint16_t *cur_xchg_cnt,
 
         mcp->mb[0] = MBC_GET_RESOURCE_COUNTS;
         mcp->out_mb = MBX_0;
-        mcp->in_mb = MBX_10|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
+        mcp->in_mb = MBX_11|MBX_10|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
         mcp->tov = 30;
         mcp->flags = 0;
         rval = qla2x00_mailbox_command(ha, mcp);
@@ -1940,9 +1941,9 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *ha, uint16_t *cur_xchg_cnt,
                     ha->host_no, mcp->mb[0]));
         } else {
                 DEBUG11(printk("%s(%ld): done. mb1=%x mb2=%x mb3=%x mb6=%x "
-                    "mb7=%x mb10=%x.\n", __func__, ha->host_no,
+                    "mb7=%x mb10=%x mb11=%x.\n", __func__, ha->host_no,
                     mcp->mb[1], mcp->mb[2], mcp->mb[3], mcp->mb[6], mcp->mb[7],
-                    mcp->mb[10]));
+                    mcp->mb[10], mcp->mb[11]));
 
                 if (cur_xchg_cnt)
                         *cur_xchg_cnt = mcp->mb[3];
@@ -1952,6 +1953,8 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *ha, uint16_t *cur_xchg_cnt,
                         *cur_iocb_cnt = mcp->mb[7];
                 if (orig_iocb_cnt)
                         *orig_iocb_cnt = mcp->mb[10];
+                if (max_npiv_vports)
+                        *max_npiv_vports = mcp->mb[11];
         }
 
         return (rval);