Extend Intel Stratix10 service layer driver to support new RSU DCMF
versions and max retry parameter.
DCMF = Decision Configuration Management Firmware. The max retry parameter
is the maximum times the images is allowed to reload itself before giving
up and starting RSU failover flow.
Signed-off-by: Richard Gong <richard.gong@intel.com>
Link: https://lore.kernel.org/r/1592231348-31334-3-git-send-email-richard.gong@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cb_data->status = BIT(SVC_STATUS_COMPLETED);
break;
case COMMAND_RSU_RETRY:
+ case COMMAND_RSU_MAX_RETRY:
cb_data->status = BIT(SVC_STATUS_OK);
cb_data->kaddr1 = &res.a1;
break;
+ case COMMAND_RSU_DCMF_VERSION:
+ cb_data->status = BIT(SVC_STATUS_OK);
+ cb_data->kaddr1 = &res.a1;
+ cb_data->kaddr2 = &res.a2;
+ break;
default:
pr_warn("it shouldn't happen\n");
break;
a1 = 0;
a2 = 0;
break;
+ case COMMAND_RSU_MAX_RETRY:
+ a0 = INTEL_SIP_SMC_RSU_MAX_RETRY;
+ a1 = 0;
+ a2 = 0;
+ break;
+ case COMMAND_RSU_DCMF_VERSION:
+ a0 = INTEL_SIP_SMC_RSU_DCMF_VERSION;
+ a1 = 0;
+ a2 = 0;
+ break;
default:
pr_warn("it shouldn't happen\n");
break;
* doesn't support RSU notify or retry
*/
if ((pdata->command == COMMAND_RSU_RETRY) ||
+ (pdata->command == COMMAND_RSU_MAX_RETRY) ||
(pdata->command == COMMAND_RSU_NOTIFY)) {
cbdata->status =
BIT(SVC_STATUS_NO_SUPPORT);
#define INTEL_SIP_SMC_FUNCID_RSU_RETRY_COUNTER 15
#define INTEL_SIP_SMC_RSU_RETRY_COUNTER \
INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_RSU_RETRY_COUNTER)
+
+/**
+ * Request INTEL_SIP_SMC_RSU_DCMF_VERSION
+ *
+ * Sync call used by service driver at EL1 to query DCMF (Decision
+ * Configuration Management Firmware) version from FW
+ *
+ * Call register usage:
+ * a0 INTEL_SIP_SMC_RSU_DCMF_VERSION
+ * a1-7 not used
+ *
+ * Return status
+ * a0 INTEL_SIP_SMC_STATUS_OK
+ * a1 dcmf1 | dcmf0
+ * a2 dcmf3 | dcmf2
+ *
+ * Or
+ *
+ * a0 INTEL_SIP_SMC_RSU_ERROR
+ */
+#define INTEL_SIP_SMC_FUNCID_RSU_DCMF_VERSION 16
+#define INTEL_SIP_SMC_RSU_DCMF_VERSION \
+ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_RSU_DCMF_VERSION)
+
+/**
+ * Request INTEL_SIP_SMC_RSU_MAX_RETRY
+ *
+ * Sync call used by service driver at EL1 to query max retry value from FW
+ *
+ * Call register usage:
+ * a0 INTEL_SIP_SMC_RSU_MAX_RETRY
+ * a1-7 not used
+ *
+ * Return status
+ * a0 INTEL_SIP_SMC_STATUS_OK
+ * a1 max retry value
+ *
+ * Or
+ * a0 INTEL_SIP_SMC_RSU_ERROR
+ */
+#define INTEL_SIP_SMC_FUNCID_RSU_MAX_RETRY 18
+#define INTEL_SIP_SMC_RSU_MAX_RETRY \
+ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_RSU_MAX_RETRY)
*
* @COMMAND_RSU_RETRY: query firmware for the current image's retry counter,
* return status is SVC_STATUS_OK or SVC_STATUS_ERROR
+ *
+ * @COMMAND_RSU_MAX_RETRY: query firmware for the max retry value,
+ * return status is SVC_STATUS_OK or SVC_STATUS_ERROR
+ *
+ * @COMMAND_RSU_DCMF_VERSION: query firmware for the DCMF version, return status
+ * is SVC_STATUS_OK or SVC_STATUS_ERROR
*/
enum stratix10_svc_command_code {
COMMAND_NOOP = 0,
COMMAND_RSU_UPDATE,
COMMAND_RSU_NOTIFY,
COMMAND_RSU_RETRY,
+ COMMAND_RSU_MAX_RETRY,
+ COMMAND_RSU_DCMF_VERSION,
};
/**