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| author | Jayamohan Kallickal <jayamohank@gmail.com> | 2013-09-28 15:35:54 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-10-25 09:58:09 +0100 |
| commit | 68c26a3afc6693d08181c1757f943bd005d03c2f (patch) | |
| tree | f9c1d2ac8ca5d643c1f222b7be89c17445639629 /drivers/scsi/be2iscsi | |
| parent | d3fea9af00fc69f60a792f5e0ea1e51fabd7c633 (diff) | |
| download | linux-68c26a3afc6693d08181c1757f943bd005d03c2f.tar.gz linux-68c26a3afc6693d08181c1757f943bd005d03c2f.tar.bz2 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.c | 45 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.h | 3 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_mgmt.c | 11 |
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) |