[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, 10 insertions, 6 deletions

diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index 25364b1aaf1..69a5e31dd93 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -954,7 +954,15 @@ struct device_reg_24xx {
 
 /* MID Support ***************************************************************/
 
-#define MAX_MID_VPS     125
+#define MIN_MULTI_ID_FABRIC     64      /* Must be power-of-2. */
+#define MAX_MULTI_ID_FABRIC     256     /* ... */
+
+#define for_each_mapped_vp_idx(_ha, _idx)               \
+        for (_idx = find_next_bit((_ha)->vp_idx_map,    \
+                (_ha)->max_npiv_vports + 1, 1);         \
+            _idx <= (_ha)->max_npiv_vports;             \
+            _idx = find_next_bit((_ha)->vp_idx_map,     \
+                (_ha)->max_npiv_vports + 1, _idx + 1))  \
 
 struct mid_conf_entry_24xx {
         uint16_t reserved_1;
@@ -982,7 +990,7 @@ struct mid_init_cb_24xx {
         uint16_t count;
         uint16_t options;
 
-        struct mid_conf_entry_24xx entries[MAX_MID_VPS];
+        struct mid_conf_entry_24xx entries[MAX_MULTI_ID_FABRIC];
 };
 
 
@@ -1002,10 +1010,6 @@ struct mid_db_entry_24xx {
         uint8_t reserved_1;
 };
 
-struct mid_db_24xx {
-        struct mid_db_entry_24xx entries[MAX_MID_VPS];
-};
-
  /*
  * Virtual Fabric ID type definition.
  */