diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.c | 20 | 
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 9d46fcbe775..9d5a56c4b33 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -1209,6 +1209,13 @@ _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc)  	u16 message_control; +	/* Check whether controller SAS2008 B0 controller, +	   if it is SAS2008 B0 controller use IO-APIC instead of MSIX */ +	if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 && +	    ioc->pdev->revision == 0x01) { +		return -EINVAL; +	} +  	base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);  	if (!base) {  		dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " @@ -2424,10 +2431,13 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)  	}  	/* command line tunables  for max controller queue depth */ -	if (max_queue_depth != -1) -		max_request_credit = (max_queue_depth < facts->RequestCredit) -		    ? max_queue_depth : facts->RequestCredit; -	else +	if (max_queue_depth != -1 && max_queue_depth != 0) { +		max_request_credit = min_t(u16, max_queue_depth + +			ioc->hi_priority_depth + ioc->internal_depth, +			facts->RequestCredit); +		if (max_request_credit > MAX_HBA_QUEUE_DEPTH) +			max_request_credit =  MAX_HBA_QUEUE_DEPTH; +	} else  		max_request_credit = min_t(u16, facts->RequestCredit,  		    MAX_HBA_QUEUE_DEPTH); @@ -2502,7 +2512,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)  	/* set the scsi host can_queue depth  	 * with some internal commands that could be outstanding  	 */ -	ioc->shost->can_queue = ioc->scsiio_depth - (2); +	ioc->shost->can_queue = ioc->scsiio_depth;  	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: "  	    "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue));  |