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path: root/drivers/scsi/isci/host.c
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Diffstat (limited to 'drivers/scsi/isci/host.c')
-rw-r--r--drivers/scsi/isci/host.c47
1 files changed, 45 insertions, 2 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index 383bb6913087..ed1441c89577 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -1759,7 +1759,7 @@ static enum sci_status sci_controller_construct(struct isci_host *ihost,
return sci_controller_reset(ihost);
}
-int sci_oem_parameters_validate(struct sci_oem_params *oem)
+int sci_oem_parameters_validate(struct sci_oem_params *oem, u8 version)
{
int i;
@@ -1791,18 +1791,61 @@ int sci_oem_parameters_validate(struct sci_oem_params *oem)
oem->controller.max_concurr_spin_up < 1)
return -EINVAL;
+ if (oem->controller.do_enable_ssc) {
+ if (version < ISCI_ROM_VER_1_1 && oem->controller.do_enable_ssc != 1)
+ return -EINVAL;
+
+ if (version >= ISCI_ROM_VER_1_1) {
+ u8 test = oem->controller.ssc_sata_tx_spread_level;
+
+ switch (test) {
+ case 0:
+ case 2:
+ case 3:
+ case 6:
+ case 7:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ test = oem->controller.ssc_sas_tx_spread_level;
+ if (oem->controller.ssc_sas_tx_type == 0) {
+ switch (test) {
+ case 0:
+ case 2:
+ case 3:
+ break;
+ default:
+ return -EINVAL;
+ }
+ } else if (oem->controller.ssc_sas_tx_type == 1) {
+ switch (test) {
+ case 0:
+ case 3:
+ case 6:
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+ }
+ }
+
return 0;
}
static enum sci_status sci_oem_parameters_set(struct isci_host *ihost)
{
u32 state = ihost->sm.current_state_id;
+ struct isci_pci_info *pci_info = to_pci_info(ihost->pdev);
if (state == SCIC_RESET ||
state == SCIC_INITIALIZING ||
state == SCIC_INITIALIZED) {
- if (sci_oem_parameters_validate(&ihost->oem_parameters))
+ if (sci_oem_parameters_validate(&ihost->oem_parameters,
+ pci_info->orom->hdr.version))
return SCI_FAILURE_INVALID_PARAMETER_VALUE;
return SCI_SUCCESS;