megaraid_sas : Move controller's queue depth calculation in adapter specific function
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 1bd3272..dee61e8 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -4354,6 +4354,21 @@
instance->max_num_sge = (instance->instancet->read_fw_status_reg(reg_set) & 0xFF0000) >>
0x10;
/*
+ * For MFI skinny adapters, MEGASAS_SKINNY_INT_CMDS commands
+ * are reserved for IOCTL + driver's internal DCMDs.
+ */
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ instance->max_scsi_cmds = (instance->max_fw_cmds -
+ MEGASAS_SKINNY_INT_CMDS);
+ sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS);
+ } else {
+ instance->max_scsi_cmds = (instance->max_fw_cmds -
+ MEGASAS_INT_CMDS);
+ sema_init(&instance->ioctl_sem, (MEGASAS_MFI_IOCTL_CMDS));
+ }
+
+ /*
* Create a pool of commands
*/
if (megasas_alloc_cmds(instance))
@@ -4788,30 +4803,6 @@
if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors))
instance->max_sectors_per_req = tmp_sectors;
- /*
- * 1. For fusion adapters, 3 commands for IOCTL and 5 commands
- * for driver's internal DCMDs.
- * 2. For MFI skinny adapters, 5 commands for IOCTL + driver's
- * internal DCMDs.
- * 3. For rest of MFI adapters, 27 commands reserved for IOCTLs
- * and 5 commands for drivers's internal DCMD.
- */
- if (instance->ctrl_context) {
- instance->max_scsi_cmds = instance->max_fw_cmds -
- (MEGASAS_FUSION_INTERNAL_CMDS +
- MEGASAS_FUSION_IOCTL_CMDS);
- sema_init(&instance->ioctl_sem, MEGASAS_FUSION_IOCTL_CMDS);
- } else if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
- instance->max_scsi_cmds = instance->max_fw_cmds -
- MEGASAS_SKINNY_INT_CMDS;
- sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS);
- } else {
- instance->max_scsi_cmds = instance->max_fw_cmds -
- MEGASAS_INT_CMDS;
- sema_init(&instance->ioctl_sem, (MEGASAS_INT_CMDS - 5));
- }
-
/* Check for valid throttlequeuedepth module parameter */
if (throttlequeuedepth &&
throttlequeuedepth <= instance->max_scsi_cmds)