diff options
| author | Jayamohan Kallickal <jayamohank@gmail.com> | 2013-09-29 00:35:54 +0200 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-10-25 10:58:09 +0200 |
| commit | 68c26a3afc6693d08181c1757f943bd005d03c2f (patch) | |
| tree | f9c1d2ac8ca5d643c1f222b7be89c17445639629 /drivers/scsi/be2iscsi/be_main.c | |
| parent | [SCSI] be2iscsi: Display Port Identifier for each iSCSI function (diff) | |
| download | linux-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/be_main.c')
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 45 |
1 files changed, 29 insertions, 16 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; |