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authorJayamohan Kallickal <jayamohank@gmail.com>2013-09-29 00:35:54 +0200
committerJames Bottomley <JBottomley@Parallels.com>2013-10-25 10:58:09 +0200
commit68c26a3afc6693d08181c1757f943bd005d03c2f (patch)
treef9c1d2ac8ca5d643c1f222b7be89c17445639629 /drivers/scsi/be2iscsi
parent[SCSI] be2iscsi: Display Port Identifier for each iSCSI function (diff)
downloadlinux-68c26a3afc6693d08181c1757f943bd005d03c2f.tar.xz
linux-68c26a3afc6693d08181c1757f943bd005d03c2f.zip
[SCSI] be2iscsi: Fix MSIx creation for SKH-R adapter
The MSIx to be created for SKH-R adapter should be based on eq_count returned by get_fw_config. Signed-off-by: John Soni Jose <sony.john-n@emulex.com> Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/be2iscsi')
-rw-r--r--drivers/scsi/be2iscsi/be_main.c45
-rw-r--r--drivers/scsi/be2iscsi/be_main.h3
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c11
3 files changed, 42 insertions, 17 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index de948d36fb15..ddacd2c99079 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -3758,8 +3758,19 @@ static void find_num_cpus(struct beiscsi_hba *phba)
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;
+ /*
+ * If eqid_count == 1 fall back to
+ * INTX mechanism
+ **/
+ if (phba->fw_config.eqid_count == 1) {
+ enable_msix = 0;
+ phba->num_cpus = 1;
+ return;
+ }
+
+ phba->num_cpus =
+ (num_cpus > (phba->fw_config.eqid_count - 1)) ?
+ (phba->fw_config.eqid_count - 1) : num_cpus;
break;
default:
phba->num_cpus = 1;
@@ -5275,20 +5286,6 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
phba->generation = 0;
}
- if (enable_msix)
- find_num_cpus(phba);
- else
- phba->num_cpus = 1;
-
- beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
- "BM_%d : num_cpus = %d\n",
- phba->num_cpus);
-
- if (enable_msix) {
- beiscsi_msix_enable(phba);
- if (!phba->msix_enabled)
- phba->num_cpus = 1;
- }
ret = be_ctrl_init(phba, pcidev);
if (ret) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
@@ -5320,6 +5317,22 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
"BM_%d : Error getting fw config\n");
goto free_port;
}
+
+ if (enable_msix)
+ find_num_cpus(phba);
+ else
+ phba->num_cpus = 1;
+
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
+ "BM_%d : num_cpus = %d\n",
+ phba->num_cpus);
+
+ if (enable_msix) {
+ beiscsi_msix_enable(phba);
+ if (!phba->msix_enabled)
+ phba->num_cpus = 1;
+ }
+
phba->shost->max_id = phba->params.cxns_per_ctrl;
beiscsi_get_params(phba);
phba->shost->can_queue = phba->params.ios_per_ctrl;
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index 3fa1e819f42d..88291b0051bf 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -65,7 +65,6 @@
#define MAX_CPUS 64
#define BEISCSI_MAX_NUM_CPUS 7
-#define OC_SKH_MAX_NUM_CPUS 31
#define BEISCSI_VER_STRLEN 32
@@ -377,6 +376,8 @@ struct beiscsi_hba {
* for cid to cri conversion
*/
unsigned int phys_port;
+ unsigned int eqid_count;
+ unsigned int cqid_count;
unsigned int iscsi_cid_start[BEISCSI_ULP_COUNT];
#define BEISCSI_GET_CID_COUNT(phba, ulp_num) \
(phba->fw_config.iscsi_cid_count[ulp_num])
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 7b0b13f69b69..befeace18257 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -311,6 +311,17 @@ int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
struct be_fw_cfg *pfw_cfg;
pfw_cfg = req;
+ if (!is_chip_be2_be3r(phba)) {
+ phba->fw_config.eqid_count = pfw_cfg->eqid_count;
+ phba->fw_config.cqid_count = pfw_cfg->cqid_count;
+
+ beiscsi_log(phba, KERN_INFO,
+ BEISCSI_LOG_INIT,
+ "BG_%d : EQ_Count : %d CQ_Count : %d\n",
+ phba->fw_config.eqid_count,
+ phba->fw_config.cqid_count);
+ }
+
for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++)
if (pfw_cfg->ulp[ulp_num].ulp_mode &
BEISCSI_ULP_ISCSI_INI_MODE)