diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_debug.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_debug.c | 89 |
1 files changed, 84 insertions, 5 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_debug.c b/drivers/net/ethernet/qlogic/qed/qed_debug.c index 979f1e4bc18b..859caa6c1a1f 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_debug.c +++ b/drivers/net/ethernet/qlogic/qed/qed_debug.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* QLogic qed NIC Driver * Copyright (c) 2015 QLogic Corporation - * - * This software is available under the terms of the GNU General Public License - * (GPL) Version 2, available from the file COPYING in the main directory of - * this source tree. */ #include <linux/module.h> @@ -1759,6 +1756,15 @@ static u32 qed_read_unaligned_dword(u8 *buf) return dword; } +/* Sets the value of the specified GRC param */ +static void qed_grc_set_param(struct qed_hwfn *p_hwfn, + enum dbg_grc_params grc_param, u32 val) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + + dev_data->grc.param_val[grc_param] = val; +} + /* Returns the value of the specified GRC param */ static u32 qed_grc_get_param(struct qed_hwfn *p_hwfn, enum dbg_grc_params grc_param) @@ -2537,7 +2543,7 @@ static u32 qed_grc_dump_addr_range(struct qed_hwfn *p_hwfn, (len >= s_platform_defs[dev_data->platform_id].dmae_thresh || wide_bus)) { if (!qed_dmae_grc2host(p_hwfn, p_ptt, DWORDS_TO_BYTES(addr), - (u64)(uintptr_t)(dump_buf), len, 0)) + (u64)(uintptr_t)(dump_buf), len, NULL)) return len; dev_data->use_dmae = 0; DP_VERBOSE(p_hwfn, @@ -5122,6 +5128,69 @@ bool qed_read_fw_info(struct qed_hwfn *p_hwfn, return false; } +enum dbg_status qed_dbg_grc_config(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + enum dbg_grc_params grc_param, u32 val) +{ + enum dbg_status status; + int i; + + DP_VERBOSE(p_hwfn, QED_MSG_DEBUG, + "dbg_grc_config: paramId = %d, val = %d\n", grc_param, val); + + status = qed_dbg_dev_init(p_hwfn, p_ptt); + if (status != DBG_STATUS_OK) + return status; + + /* Initializes the GRC parameters (if not initialized). Needed in order + * to set the default parameter values for the first time. + */ + qed_dbg_grc_init_params(p_hwfn); + + if (grc_param >= MAX_DBG_GRC_PARAMS) + return DBG_STATUS_INVALID_ARGS; + if (val < s_grc_param_defs[grc_param].min || + val > s_grc_param_defs[grc_param].max) + return DBG_STATUS_INVALID_ARGS; + + if (s_grc_param_defs[grc_param].is_preset) { + /* Preset param */ + + /* Disabling a preset is not allowed. Call + * dbg_grc_set_params_default instead. + */ + if (!val) + return DBG_STATUS_INVALID_ARGS; + + /* Update all params with the preset values */ + for (i = 0; i < MAX_DBG_GRC_PARAMS; i++) { + u32 preset_val; + + /* Skip persistent params */ + if (s_grc_param_defs[i].is_persistent) + continue; + + /* Find preset value */ + if (grc_param == DBG_GRC_PARAM_EXCLUDE_ALL) + preset_val = + s_grc_param_defs[i].exclude_all_preset_val; + else if (grc_param == DBG_GRC_PARAM_CRASH) + preset_val = + s_grc_param_defs[i].crash_preset_val; + else + return DBG_STATUS_INVALID_ARGS; + + qed_grc_set_param(p_hwfn, + (enum dbg_grc_params)i, preset_val); + } + } else { + /* Regular param - set its value */ + qed_grc_set_param(p_hwfn, grc_param, val); + } + + return DBG_STATUS_OK; +} + /* Assign default GRC param values */ void qed_dbg_grc_set_params_default(struct qed_hwfn *p_hwfn) { @@ -8000,9 +8069,16 @@ static u32 qed_calc_regdump_header(enum debug_print_features feature, int qed_dbg_all_data(struct qed_dev *cdev, void *buffer) { u8 cur_engine, omit_engine = 0, org_engine; + struct qed_hwfn *p_hwfn = + &cdev->hwfns[cdev->dbg_params.engine_for_debug]; + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + int grc_params[MAX_DBG_GRC_PARAMS], i; u32 offset = 0, feature_size; int rc; + for (i = 0; i < MAX_DBG_GRC_PARAMS; i++) + grc_params[i] = dev_data->grc.param_val[i]; + if (cdev->num_hwfns == 1) omit_engine = 1; @@ -8090,6 +8166,9 @@ int qed_dbg_all_data(struct qed_dev *cdev, void *buffer) rc); } + for (i = 0; i < MAX_DBG_GRC_PARAMS; i++) + dev_data->grc.param_val[i] = grc_params[i]; + /* GRC dump - must be last because when mcp stuck it will * clutter idle_chk, reg_fifo, ... */ |
