[SCSI] be2iscsi: Fix max EQ supported by the driver.

Fix the max EQ created when driver is loaded. Max EQ for
for new adapters will be 64.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

2 files changed, 21 insertions, 7 deletions

diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 3328eb8e69f0..8a142cee8a56 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -3325,8 +3325,19 @@ static void find_num_cpus(struct beiscsi_hba *phba)
 
         num_cpus = num_online_cpus();
 
-        phba->num_cpus = (num_cpus >= BEISCSI_MAX_NUM_CPU) ?
-                         (BEISCSI_MAX_NUM_CPU - 1) : num_cpus;
+        switch (phba->generation) {
+        case BE_GEN2:
+        case BE_GEN3:
+                phba->num_cpus = (num_cpus > BEISCSI_MAX_NUM_CPUS) ?
+                                  BEISCSI_MAX_NUM_CPUS : num_cpus;
+                break;
+        case BE_GEN4:
+                phba->num_cpus = (num_cpus > OC_SKH_MAX_NUM_CPUS) ?
+                                  OC_SKH_MAX_NUM_CPUS : num_cpus;
+                break;
+        default:
+                phba->num_cpus = 1;
+        }
 }
 
 static int hwi_init_port(struct beiscsi_hba *phba)
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index 5302d3762f77..2e534f3b7bfe 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -64,8 +64,11 @@
 #define BE2_DEFPDU_HDR_SZ       64
 #define BE2_DEFPDU_DATA_SZ      8192
 
-#define MAX_CPUS                31
-#define BEISCSI_MAX_NUM_CPU     8
+#define MAX_CPUS                64
+#define BEISCSI_MAX_NUM_CPUS    7
+#define OC_SKH_MAX_NUM_CPUS     63
+
+
 #define BEISCSI_SGLIST_ELEMENTS 30
 
 #define BEISCSI_CMD_PER_LUN     128     /* scsi_host->cmd_per_lun */
@@ -279,8 +282,8 @@ struct beiscsi_hba {
         unsigned short asic_revision;
         unsigned int num_cpus;
         unsigned int nxt_cqid;
-        struct msix_entry msix_entries[MAX_CPUS + 1];
-        char *msi_name[MAX_CPUS + 1];
+        struct msix_entry msix_entries[MAX_CPUS];
+        char *msi_name[MAX_CPUS];
         bool msix_enabled;
         struct be_mem_descriptor *init_mem;
 
@@ -841,7 +844,7 @@ struct hwi_context_memory {
         u16 max_eqd;            /* in usecs */
         u16 cur_eqd;            /* in usecs */
         struct be_eq_obj be_eq[MAX_CPUS];
-        struct be_queue_info be_cq[MAX_CPUS];
+        struct be_queue_info be_cq[MAX_CPUS - 1];
 
         struct be_queue_info be_def_hdrq;
         struct be_queue_info be_def_dataq;