[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>
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 6d7b656..a97b321 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -1641,10 +1641,7 @@
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 @@
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 @@
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 @@
*/
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 @@
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,