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| author | Sumit.Saxena@lsi.com <Sumit.Saxena@lsi.com> | 2013-05-22 12:35:33 +0530 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-06-24 17:51:05 -0700 |
| commit | 404a8a1a891e9eadf8b1ef5ad945f569758c0884 (patch) | |
| tree | 57feda1b3798b04a3d2a3a63137fadd5bf40a97d | |
| parent | bc93d425fcb6443ffd6e20efa08f4960a30ab26f (diff) | |
| download | linux-404a8a1a891e9eadf8b1ef5ad945f569758c0884.tar.gz linux-404a8a1a891e9eadf8b1ef5ad945f569758c0884.tar.bz2 linux-404a8a1a891e9eadf8b1ef5ad945f569758c0884.zip | |
[SCSI] megaraid_sas: Add support to differentiate between iMR vs MR Firmware
Add support to differentiate between iMR(no external memory) and MR(with
external memory) controllers.
Signed-off-by: Sumit Saxena <sumit.saxena@lsi.com>
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 24 |
2 files changed, 17 insertions, 8 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 55a08d8ec531..209fe36e6f29 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -1533,6 +1533,7 @@ struct megasas_instance { struct mutex reset_mutex; int throttlequeuedepth; u8 mask_interrupts; + u8 is_imr; }; enum { diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 6d7b656bd21b..a97b32160605 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1641,10 +1641,7 @@ megasas_check_and_restore_queue_depth(struct megasas_instance *instance) spin_lock_irqsave(instance->host->host_lock, flags); instance->flag &= ~MEGASAS_FW_BUSY; - if ((instance->pdev->device == - PCI_DEVICE_ID_LSI_SAS0073SKINNY) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { + if (instance->is_imr) { instance->host->can_queue = instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS; } else @@ -3662,6 +3659,18 @@ static int megasas_init_fw(struct megasas_instance *instance) max_sectors_2 = ctrl_info->max_request_size; tmp_sectors = min_t(u32, max_sectors_1 , max_sectors_2); + + /*Check whether controller is iMR or MR */ + if (ctrl_info->memory_size) { + instance->is_imr = 0; + dev_info(&instance->pdev->dev, "Controller type: MR," + "Memory size is: %dMB\n", + ctrl_info->memory_size); + } else { + instance->is_imr = 1; + dev_info(&instance->pdev->dev, + "Controller type: iMR\n"); + } instance->disableOnlineCtrlReset = ctrl_info->properties.OnOffProperties.disableOnlineCtrlReset; instance->UnevenSpanSupport = @@ -3686,8 +3695,7 @@ static int megasas_init_fw(struct megasas_instance *instance) kfree(ctrl_info); /* Check for valid throttlequeuedepth module parameter */ - if (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY || - instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) { + if (instance->is_imr) { if (throttlequeuedepth > (instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS)) instance->throttlequeuedepth = @@ -3971,8 +3979,7 @@ static int megasas_io_attach(struct megasas_instance *instance) */ host->irq = instance->pdev->irq; host->unique_id = instance->unique_id; - if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { + if (instance->is_imr) { host->can_queue = instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS; } else @@ -4167,6 +4174,7 @@ static int megasas_probe_one(struct pci_dev *pdev, instance->ev = NULL; instance->issuepend_done = 1; instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + instance->is_imr = 0; megasas_poll_wait_aen = 0; instance->evt_detail = pci_alloc_consistent(pdev, |