diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_mcp.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_mcp.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c index e7f18e34ff0d..cc27fd60d689 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c @@ -1070,6 +1070,27 @@ int qed_mcp_load_req(struct qed_hwfn *p_hwfn, return 0; } +int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) +{ + u32 resp = 0, param = 0; + int rc; + + rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp, + ¶m); + if (rc) { + DP_NOTICE(p_hwfn, + "Failed to send a LOAD_DONE command, rc = %d\n", rc); + return rc; + } + + /* Check if there is a DID mismatch between nvm-cfg/efuse */ + if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR) + DP_NOTICE(p_hwfn, + "warning: device configuration is not supported on this board type. The device may not function as expected.\n"); + + return 0; +} + int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_mb_params mb_params; @@ -1528,6 +1549,60 @@ int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up) return 0; } +u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt) +{ + u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt; + + if (IS_VF(p_hwfn->cdev)) + return -EINVAL; + + path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, + PUBLIC_PATH); + path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr); + path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn)); + + proc_kill_cnt = qed_rd(p_hwfn, p_ptt, + path_addr + + offsetof(struct public_path, process_kill)) & + PROCESS_KILL_COUNTER_MASK; + + return proc_kill_cnt; +} + +static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt) +{ + struct qed_dev *cdev = p_hwfn->cdev; + u32 proc_kill_cnt; + + /* Prevent possible attentions/interrupts during the recovery handling + * and till its load phase, during which they will be re-enabled. + */ + qed_int_igu_disable_int(p_hwfn, p_ptt); + + DP_NOTICE(p_hwfn, "Received a process kill indication\n"); + + /* The following operations should be done once, and thus in CMT mode + * are carried out by only the first HW function. + */ + if (p_hwfn != QED_LEADING_HWFN(cdev)) + return; + + if (cdev->recov_in_prog) { + DP_NOTICE(p_hwfn, + "Ignoring the indication since a recovery process is already in progress\n"); + return; + } + + cdev->recov_in_prog = true; + + proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt); + DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt); + + qed_schedule_recovery_handler(p_hwfn); +} + static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum MFW_DRV_MSG_TYPE type) @@ -1758,6 +1833,9 @@ int qed_mcp_handle_events(struct qed_hwfn *p_hwfn, case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE: qed_mcp_handle_transceiver_change(p_hwfn, p_ptt); break; + case MFW_DRV_MSG_ERROR_RECOVERY: + qed_mcp_handle_process_kill(p_hwfn, p_ptt); + break; case MFW_DRV_MSG_GET_LAN_STATS: case MFW_DRV_MSG_GET_FCOE_STATS: case MFW_DRV_MSG_GET_ISCSI_STATS: @@ -2303,6 +2381,43 @@ int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn, return 0; } +int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) +{ + struct qed_dev *cdev = p_hwfn->cdev; + + if (cdev->recov_in_prog) { + DP_NOTICE(p_hwfn, + "Avoid triggering a recovery since such a process is already in progress\n"); + return -EAGAIN; + } + + DP_NOTICE(p_hwfn, "Triggering a recovery process\n"); + qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1); + + return 0; +} + +#define QED_RECOVERY_PROLOG_SLEEP_MS 100 + +int qed_recovery_prolog(struct qed_dev *cdev) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_ptt *p_ptt = p_hwfn->p_main_ptt; + int rc; + + /* Allow ongoing PCIe transactions to complete */ + msleep(QED_RECOVERY_PROLOG_SLEEP_MS); + + /* Clear the PF's internal FID_enable in the PXP */ + rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false); + if (rc) + DP_NOTICE(p_hwfn, + "qed_pglueb_set_pfid_enable() failed. rc = %d.\n", + rc); + + return rc; +} + static int qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 vf_id, u8 num) @@ -3539,6 +3654,12 @@ void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock, } } +bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn) +{ + return !!(p_hwfn->mcp_info->capabilities & + FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ); +} + int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 mcp_resp; |