+int
+tf_msg_get_global_cfg(struct tf *tfp,
+ struct tf_dev_global_cfg_parms *params)
+{
+ int rc = 0;
+ struct tfp_send_msg_parms parms = { 0 };
+ struct hwrm_tf_global_cfg_get_input req = { 0 };
+ struct hwrm_tf_global_cfg_get_output resp = { 0 };
+ uint32_t flags = 0;
+ uint8_t fw_session_id;
+ uint16_t resp_size = 0;
+
+ rc = tf_session_get_fw_session_id(tfp, &fw_session_id);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Unable to lookup FW id, rc:%s\n",
+ tf_dir_2_str(params->dir),
+ strerror(-rc));
+ return rc;
+ }
+
+ flags = (params->dir == TF_DIR_TX ?
+ HWRM_TF_GLOBAL_CFG_GET_INPUT_FLAGS_DIR_TX :
+ HWRM_TF_GLOBAL_CFG_GET_INPUT_FLAGS_DIR_RX);
+
+ /* Populate the request */
+ req.fw_session_id = tfp_cpu_to_le_32(fw_session_id);
+ req.flags = tfp_cpu_to_le_32(flags);
+ req.type = tfp_cpu_to_le_32(params->type);
+ req.offset = tfp_cpu_to_le_32(params->offset);
+ req.size = tfp_cpu_to_le_32(params->config_sz_in_bytes);
+
+ parms.tf_type = HWRM_TF_GLOBAL_CFG_GET;
+ parms.req_data = (uint32_t *)&req;
+ parms.req_size = sizeof(req);
+ parms.resp_data = (uint32_t *)&resp;
+ parms.resp_size = sizeof(resp);
+ parms.mailbox = TF_KONG_MB;
+
+ rc = tfp_send_msg_direct(tfp, &parms);
+ if (rc != 0)
+ return rc;
+
+ /* Verify that we got enough buffer to return the requested data */
+ resp_size = tfp_le_to_cpu_16(resp.size);
+ if (resp_size < params->config_sz_in_bytes)
+ return -EINVAL;
+
+ if (params->config)
+ tfp_memcpy(params->config,
+ resp.data,
+ resp_size);
+ else
+ return -EFAULT;
+
+ return tfp_le_to_cpu_32(parms.tf_resp_code);
+}
+
+int
+tf_msg_set_global_cfg(struct tf *tfp,
+ struct tf_dev_global_cfg_parms *params)
+{
+ int rc = 0;
+ struct tfp_send_msg_parms parms = { 0 };
+ struct hwrm_tf_global_cfg_set_input req = { 0 };
+ struct hwrm_tf_global_cfg_set_output resp = { 0 };
+ uint32_t flags = 0;
+ uint8_t fw_session_id;
+
+ rc = tf_session_get_fw_session_id(tfp, &fw_session_id);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Unable to lookup FW id, rc:%s\n",
+ tf_dir_2_str(params->dir),
+ strerror(-rc));
+ return rc;
+ }
+
+ flags = (params->dir == TF_DIR_TX ?
+ HWRM_TF_GLOBAL_CFG_SET_INPUT_FLAGS_DIR_TX :
+ HWRM_TF_GLOBAL_CFG_SET_INPUT_FLAGS_DIR_RX);
+
+ /* Populate the request */
+ req.fw_session_id = tfp_cpu_to_le_32(fw_session_id);
+ req.flags = tfp_cpu_to_le_32(flags);
+ req.type = tfp_cpu_to_le_32(params->type);
+ req.offset = tfp_cpu_to_le_32(params->offset);
+
+ /* Check for data size conformity */
+ if (params->config_sz_in_bytes > TF_MSG_SET_GLOBAL_CFG_DATA_SIZE) {
+ rc = -EINVAL;
+ TFP_DRV_LOG(ERR,
+ "%s: Invalid parameters for msg type, rc:%s\n",
+ tf_dir_2_str(params->dir),
+ strerror(-rc));
+ return rc;
+ }
+
+ tfp_memcpy(req.data, params->config,
+ params->config_sz_in_bytes);
+ req.size = tfp_cpu_to_le_32(params->config_sz_in_bytes);
+
+ parms.tf_type = HWRM_TF_GLOBAL_CFG_SET;
+ parms.req_data = (uint32_t *)&req;
+ parms.req_size = sizeof(req);
+ parms.resp_data = (uint32_t *)&resp;
+ parms.resp_size = sizeof(resp);
+ parms.mailbox = TF_KONG_MB;
+
+ rc = tfp_send_msg_direct(tfp, &parms);
+
+ if (rc != 0)
+ return rc;
+
+ return tfp_le_to_cpu_32(parms.tf_resp_code);
+}
+