[SCSI] qla2xxx: Correct NPIV support for recent ISPs.

Firmware will export to software the maximum number of vports
supported for any given firmware version and ISP type.  Use this
information rather than the current hardcoding of limitations
within the driver.

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

1 files changed, 12 insertions, 21 deletions

diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index 821ee74aadc6..74096aaa693c 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -47,16 +47,15 @@ qla24xx_allocate_vp_id(scsi_qla_host_t *vha)
 
         /* Find an empty slot and assign an vp_id */
         down(&ha->vport_sem);
-        vp_id = find_first_zero_bit((unsigned long *)ha->vp_idx_map,
-                                MAX_MULTI_ID_FABRIC);
-        if (vp_id > MAX_MULTI_ID_FABRIC) {
-                DEBUG15(printk ("vp_id %d is bigger than MAX_MULTI_ID_FABRID\n",
-                    vp_id));
+        vp_id = find_first_zero_bit(ha->vp_idx_map, ha->max_npiv_vports + 1);
+        if (vp_id > ha->max_npiv_vports) {
+                DEBUG15(printk ("vp_id %d is bigger than max-supported %d.\n",
+                    vp_id, ha->max_npiv_vports));
                 up(&ha->vport_sem);
                 return vp_id;
         }
 
-        set_bit(vp_id, (unsigned long *)ha->vp_idx_map);
+        set_bit(vp_id, ha->vp_idx_map);
         ha->num_vhosts++;
         vha->vp_idx = vp_id;
         list_add_tail(&vha->vp_list, &ha->vp_list);
@@ -73,7 +72,7 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha)
         down(&ha->vport_sem);
         vp_id = vha->vp_idx;
         ha->num_vhosts--;
-        clear_bit(vp_id, (unsigned long *)ha->vp_idx_map);
+        clear_bit(vp_id, ha->vp_idx_map);
         list_del(&vha->vp_list);
         up(&ha->vport_sem);
 }
@@ -216,11 +215,7 @@ qla2x00_alert_all_vps(scsi_qla_host_t *ha, uint16_t *mb)
         if (ha->parent)
                 return;
 
-        i = find_next_bit((unsigned long *)ha->vp_idx_map,
-            MAX_MULTI_ID_FABRIC + 1, 1);
-        for (;i <= MAX_MULTI_ID_FABRIC;
-            i = find_next_bit((unsigned long *)ha->vp_idx_map,
-            MAX_MULTI_ID_FABRIC + 1, i + 1)) {
+        for_each_mapped_vp_idx(ha, i) {
                 vp_idx_matched = 0;
 
                 list_for_each_entry(vha, &ha->vp_list, vp_list) {
@@ -311,11 +306,7 @@ qla2x00_do_dpc_all_vps(scsi_qla_host_t *ha)
 
         clear_bit(VP_DPC_NEEDED, &ha->dpc_flags);
 
-        i = find_next_bit((unsigned long *)ha->vp_idx_map,
-            MAX_MULTI_ID_FABRIC + 1, 1);
-        for (;i <= MAX_MULTI_ID_FABRIC;
-            i = find_next_bit((unsigned long *)ha->vp_idx_map,
-            MAX_MULTI_ID_FABRIC + 1, i + 1)) {
+        for_each_mapped_vp_idx(ha, i) {
                 vp_idx_matched = 0;
 
                 list_for_each_entry(vha, &ha->vp_list, vp_list) {
@@ -356,9 +347,9 @@ qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport)
 
         /* Check up max-npiv-supports */
         if (ha->num_vhosts > ha->max_npiv_vports) {
-                DEBUG15(printk("scsi(%ld): num_vhosts %d is bigger than "
-                    "max_npv_vports %d.\n", ha->host_no,
-                    (uint16_t) ha->num_vhosts, (int) ha->max_npiv_vports));
+                DEBUG15(printk("scsi(%ld): num_vhosts %ud is bigger than "
+                    "max_npv_vports %ud.\n", ha->host_no,
+                    ha->num_vhosts, ha->max_npiv_vports));
                 return VPCERR_UNSUPPORTED;
         }
         return 0;
@@ -450,7 +441,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport)
         num_hosts++;
 
         down(&ha->vport_sem);
-        set_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map);
+        set_bit(vha->vp_idx, ha->vp_idx_map);
         ha->cur_vport_count++;
         up(&ha->vport_sem);