drm/amd/pm: Add PMFW message and capability flags

Add flags to categorize messages and PMFW capabilities.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

@@ -459,7 +459,7 @@ struct smu_umd_pstate_table {
 struct cmn2asic_msg_mapping {
 	int	valid_mapping;
 	int	map_to;
-	int	valid_in_vf;
+	uint32_t flags;
 };
 
 struct cmn2asic_mapping {
@@ -539,6 +539,7 @@ struct smu_context {
 	uint32_t smc_driver_if_version;
 	uint32_t smc_fw_if_version;
 	uint32_t smc_fw_version;
+	uint32_t smc_fw_caps;
 
 	bool uploading_custom_pp_table;
 	bool dc_controlled_by_gpio;
@@ -1485,8 +1486,8 @@ enum smu_baco_seq {
 	BACO_SEQ_COUNT,
 };
 
-#define MSG_MAP(msg, index, valid_in_vf) \
-	[SMU_MSG_##msg] = {1, (index), (valid_in_vf)}
+#define MSG_MAP(msg, index, flags) \
+	[SMU_MSG_##msg] = {1, (index), (flags)}
 
 #define CLK_MAP(clk, index) \
 	[SMU_##clk] = {1, (index)}

drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h

@@ -445,4 +445,11 @@ enum smu_feature_mask {
 	SMU_FEATURE_COUNT,
 };
 
+/* Message category flags */
+#define SMU_MSG_VF_FLAG			(1U << 0)
+#define SMU_MSG_RAS_PRI			(1U << 1)
+
+/* Firmware capability flags */
+#define SMU_FW_CAP_RAS_PRI		(1U << 0)
+
 #endif

drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c

@@ -437,7 +437,7 @@ int smu_cmn_to_asic_specific_index(struct smu_context *smu,
 			return -EINVAL;
 
 		if (amdgpu_sriov_vf(smu->adev) &&
-		    !msg_mapping.valid_in_vf)
+		    !(msg_mapping.flags & SMU_MSG_VF_FLAG))
 			return -EACCES;
 
 		return msg_mapping.map_to;