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[SCSI] megaraid_sas: Add support to differentiate between iMR vs MR Firmware

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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>
This commit is contained in:
Sumit.Saxena@lsi.com 2013-05-22 12:35:33 +05:30 committed by James Bottomley
parent bc93d425fc
commit 404a8a1a89
2 changed files with 17 additions and 8 deletions
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1
drivers/scsi/megaraid/megaraid_sas.h
View file

@ -1533,6 +1533,7 @@ struct megasas_instance {
struct mutex reset_mutex;
int throttlequeuedepth;
u8 mask_interrupts;
u8 is_imr;
};
enum {

24
drivers/scsi/megaraid/megaraid_sas_base.c
View file

@ -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,