+static enum _ecore_status_t
+ecore_mcp_mdump_cmd(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+ u32 mdump_cmd, union drv_union_data *p_data_src,
+ union drv_union_data *p_data_dst, u32 *p_mcp_resp)
+{
+ struct ecore_mcp_mb_params mb_params;
+ enum _ecore_status_t rc;
+
+ OSAL_MEM_ZERO(&mb_params, sizeof(mb_params));
+ mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD;
+ mb_params.param = mdump_cmd;
+ mb_params.p_data_src = p_data_src;
+ mb_params.p_data_dst = p_data_dst;
+ rc = ecore_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
+ if (rc != ECORE_SUCCESS)
+ return rc;
+
+ *p_mcp_resp = mb_params.mcp_resp;
+ if (*p_mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) {
+ DP_NOTICE(p_hwfn, false,
+ "MFW claims that the mdump command is illegal [mdump_cmd 0x%x]\n",
+ mdump_cmd);
+ rc = ECORE_INVAL;
+ }
+
+ return rc;
+}
+
+static enum _ecore_status_t ecore_mcp_mdump_ack(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt)
+{
+ u32 mcp_resp;
+
+ return ecore_mcp_mdump_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MDUMP_ACK,
+ OSAL_NULL, OSAL_NULL, &mcp_resp);
+}
+
+enum _ecore_status_t ecore_mcp_mdump_set_values(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt,
+ u32 epoch)
+{
+ union drv_union_data union_data;
+ u32 mcp_resp;
+
+ OSAL_MEMCPY(&union_data.raw_data, &epoch, sizeof(epoch));
+
+ return ecore_mcp_mdump_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MDUMP_SET_VALUES,
+ &union_data, OSAL_NULL, &mcp_resp);
+}
+
+enum _ecore_status_t ecore_mcp_mdump_trigger(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt)
+{
+ u32 mcp_resp;
+
+ p_hwfn->p_dev->mdump_en = true;
+
+ return ecore_mcp_mdump_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MDUMP_TRIGGER,
+ OSAL_NULL, OSAL_NULL, &mcp_resp);
+}
+
+static enum _ecore_status_t
+ecore_mcp_mdump_get_config(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+ struct mdump_config_stc *p_mdump_config)
+{
+ union drv_union_data union_data;
+ u32 mcp_resp;
+ enum _ecore_status_t rc;
+
+ rc = ecore_mcp_mdump_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MDUMP_GET_CONFIG,
+ OSAL_NULL, &union_data, &mcp_resp);
+ if (rc != ECORE_SUCCESS)
+ return rc;
+
+ /* A zero response implies that the mdump command is not supported */
+ if (!mcp_resp)
+ return ECORE_NOTIMPL;
+
+ if (mcp_resp != FW_MSG_CODE_OK) {
+ DP_NOTICE(p_hwfn, false,
+ "Failed to get the mdump configuration and logs info [mcp_resp 0x%x]\n",
+ mcp_resp);
+ rc = ECORE_UNKNOWN_ERROR;
+ }
+
+ OSAL_MEMCPY(p_mdump_config, &union_data.mdump_config,
+ sizeof(*p_mdump_config));
+
+ return rc;
+}
+
+enum _ecore_status_t
+ecore_mcp_mdump_get_info(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+ struct ecore_mdump_info *p_mdump_info)
+{
+ u32 addr, global_offsize, global_addr;
+ struct mdump_config_stc mdump_config;
+ enum _ecore_status_t rc;
+
+ OSAL_MEMSET(p_mdump_info, 0, sizeof(*p_mdump_info));
+
+ addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
+ PUBLIC_GLOBAL);
+ global_offsize = ecore_rd(p_hwfn, p_ptt, addr);
+ global_addr = SECTION_ADDR(global_offsize, 0);
+ p_mdump_info->reason = ecore_rd(p_hwfn, p_ptt,
+ global_addr +
+ OFFSETOF(struct public_global,
+ mdump_reason));
+
+ if (p_mdump_info->reason) {
+ rc = ecore_mcp_mdump_get_config(p_hwfn, p_ptt, &mdump_config);
+ if (rc != ECORE_SUCCESS)
+ return rc;
+
+ p_mdump_info->version = mdump_config.version;
+ p_mdump_info->config = mdump_config.config;
+ p_mdump_info->epoch = mdump_config.epoc;
+ p_mdump_info->num_of_logs = mdump_config.num_of_logs;
+ p_mdump_info->valid_logs = mdump_config.valid_logs;
+
+ DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
+ "MFW mdump info: reason %d, version 0x%x, config 0x%x, epoch 0x%x, num_of_logs 0x%x, valid_logs 0x%x\n",
+ p_mdump_info->reason, p_mdump_info->version,
+ p_mdump_info->config, p_mdump_info->epoch,
+ p_mdump_info->num_of_logs, p_mdump_info->valid_logs);
+ } else {
+ DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
+ "MFW mdump info: reason %d\n", p_mdump_info->reason);
+ }
+
+ return ECORE_SUCCESS;
+}
+
+enum _ecore_status_t ecore_mcp_mdump_clear_logs(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt)
+{
+ u32 mcp_resp;
+
+ return ecore_mcp_mdump_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MDUMP_CLEAR_LOGS,
+ OSAL_NULL, OSAL_NULL, &mcp_resp);
+}
+
+static void ecore_mcp_handle_critical_error(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt)
+{
+ /* In CMT mode - no need for more than a single acknowledgment to the
+ * MFW, and no more than a single notification to the upper driver.
+ */
+ if (p_hwfn != ECORE_LEADING_HWFN(p_hwfn->p_dev))
+ return;
+
+ DP_NOTICE(p_hwfn, false,
+ "Received a critical error notification from the MFW!\n");
+
+ if (p_hwfn->p_dev->mdump_en) {
+ DP_NOTICE(p_hwfn, false,
+ "Not acknowledging the notification to allow the MFW crash dump\n");
+ p_hwfn->p_dev->mdump_en = false;
+ return;
+ }
+
+ ecore_mcp_mdump_ack(p_hwfn, p_ptt);
+ ecore_hw_err_notify(p_hwfn, ECORE_HW_ERR_HW_ATTN);
+}
+