diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 7e89d5980d5e..866b9357939b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -1708,6 +1708,124 @@ static void mlxsw_core_health_listener_func(const struct mlxsw_reg_info *reg, static const struct mlxsw_listener mlxsw_core_health_listener = MLXSW_EVENTL(mlxsw_core_health_listener_func, MFDE, MFDE); +static int +mlxsw_core_health_fw_fatal_dump_fatal_cause(const char *mfde_pl, + struct devlink_fmsg *fmsg) +{ + u32 val, tile_v; + int err; + + val = mlxsw_reg_mfde_fatal_cause_id_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "cause_id", val); + if (err) + return err; + tile_v = mlxsw_reg_mfde_fatal_cause_tile_v_get(mfde_pl); + if (tile_v) { + val = mlxsw_reg_mfde_fatal_cause_tile_index_get(mfde_pl); + err = devlink_fmsg_u8_pair_put(fmsg, "tile_index", val); + if (err) + return err; + } + + return 0; +} + +static int +mlxsw_core_health_fw_fatal_dump_fw_assert(const char *mfde_pl, + struct devlink_fmsg *fmsg) +{ + u32 val, tile_v; + int err; + + val = mlxsw_reg_mfde_fw_assert_var0_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "var0", val); + if (err) + return err; + val = mlxsw_reg_mfde_fw_assert_var1_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "var1", val); + if (err) + return err; + val = mlxsw_reg_mfde_fw_assert_var2_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "var2", val); + if (err) + return err; + val = mlxsw_reg_mfde_fw_assert_var3_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "var3", val); + if (err) + return err; + val = mlxsw_reg_mfde_fw_assert_var4_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "var4", val); + if (err) + return err; + val = mlxsw_reg_mfde_fw_assert_existptr_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "existptr", val); + if (err) + return err; + val = mlxsw_reg_mfde_fw_assert_callra_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "callra", val); + if (err) + return err; + val = mlxsw_reg_mfde_fw_assert_oe_get(mfde_pl); + err = devlink_fmsg_bool_pair_put(fmsg, "old_event", val); + if (err) + return err; + tile_v = mlxsw_reg_mfde_fw_assert_tile_v_get(mfde_pl); + if (tile_v) { + val = mlxsw_reg_mfde_fw_assert_tile_index_get(mfde_pl); + err = devlink_fmsg_u8_pair_put(fmsg, "tile_index", val); + if (err) + return err; + } + val = mlxsw_reg_mfde_fw_assert_ext_synd_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "ext_synd", val); + if (err) + return err; + + return 0; +} + +static int +mlxsw_core_health_fw_fatal_dump_kvd_im_stop(const char *mfde_pl, + struct devlink_fmsg *fmsg) +{ + u32 val; + int err; + + val = mlxsw_reg_mfde_kvd_im_stop_oe_get(mfde_pl); + err = devlink_fmsg_bool_pair_put(fmsg, "old_event", val); + if (err) + return err; + val = mlxsw_reg_mfde_kvd_im_stop_pipes_mask_get(mfde_pl); + return devlink_fmsg_u32_pair_put(fmsg, "pipes_mask", val); +} + +static int +mlxsw_core_health_fw_fatal_dump_crspace_to(const char *mfde_pl, + struct devlink_fmsg *fmsg) +{ + u32 val; + int err; + + val = mlxsw_reg_mfde_crspace_to_log_address_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "log_address", val); + if (err) + return err; + val = mlxsw_reg_mfde_crspace_to_oe_get(mfde_pl); + err = devlink_fmsg_bool_pair_put(fmsg, "old_event", val); + if (err) + return err; + val = mlxsw_reg_mfde_crspace_to_log_id_get(mfde_pl); + err = devlink_fmsg_u8_pair_put(fmsg, "log_irisc_id", val); + if (err) + return err; + val = mlxsw_reg_mfde_crspace_to_log_ip_get(mfde_pl); + err = devlink_fmsg_u64_pair_put(fmsg, "log_ip", val); + if (err) + return err; + + return 0; +} + static int mlxsw_core_health_fw_fatal_dump(struct devlink_health_reporter *reporter, struct devlink_fmsg *fmsg, void *priv_ctx, struct netlink_ext_ack *extack) @@ -1741,6 +1859,15 @@ static int mlxsw_core_health_fw_fatal_dump(struct devlink_health_reporter *repor case MLXSW_REG_MFDE_EVENT_ID_KVD_IM_STOP: val_str = "KVD insertion machine stopped"; break; + case MLXSW_REG_MFDE_EVENT_ID_TEST: + val_str = "Test"; + break; + case MLXSW_REG_MFDE_EVENT_ID_FW_ASSERT: + val_str = "FW assert"; + break; + case MLXSW_REG_MFDE_EVENT_ID_FATAL_CAUSE: + val_str = "Fatal cause"; + break; default: val_str = NULL; } @@ -1749,6 +1876,38 @@ static int mlxsw_core_health_fw_fatal_dump(struct devlink_health_reporter *repor if (err) return err; } + + err = devlink_fmsg_arr_pair_nest_end(fmsg); + if (err) + return err; + + err = devlink_fmsg_arr_pair_nest_start(fmsg, "severity"); + if (err) + return err; + + val = mlxsw_reg_mfde_severity_get(mfde_pl); + err = devlink_fmsg_u8_pair_put(fmsg, "id", val); + if (err) + return err; + switch (val) { + case MLXSW_REG_MFDE_SEVERITY_FATL: + val_str = "Fatal"; + break; + case MLXSW_REG_MFDE_SEVERITY_NRML: + val_str = "Normal"; + break; + case MLXSW_REG_MFDE_SEVERITY_INTR: + val_str = "Debug"; + break; + default: + val_str = NULL; + } + if (val_str) { + err = devlink_fmsg_string_pair_put(fmsg, "desc", val_str); + if (err) + return err; + } + err = devlink_fmsg_arr_pair_nest_end(fmsg); if (err) return err; @@ -1800,24 +1959,18 @@ static int mlxsw_core_health_fw_fatal_dump(struct devlink_health_reporter *repor if (err) return err; - if (event_id == MLXSW_REG_MFDE_EVENT_ID_CRSPACE_TO) { - val = mlxsw_reg_mfde_log_address_get(mfde_pl); - err = devlink_fmsg_u32_pair_put(fmsg, "log_address", val); - if (err) - return err; - val = mlxsw_reg_mfde_log_id_get(mfde_pl); - err = devlink_fmsg_u8_pair_put(fmsg, "log_irisc_id", val); - if (err) - return err; - val = mlxsw_reg_mfde_log_ip_get(mfde_pl); - err = devlink_fmsg_u64_pair_put(fmsg, "log_ip", val); - if (err) - return err; - } else if (event_id == MLXSW_REG_MFDE_EVENT_ID_KVD_IM_STOP) { - val = mlxsw_reg_mfde_pipes_mask_get(mfde_pl); - err = devlink_fmsg_u32_pair_put(fmsg, "pipes_mask", val); - if (err) - return err; + switch (event_id) { + case MLXSW_REG_MFDE_EVENT_ID_CRSPACE_TO: + return mlxsw_core_health_fw_fatal_dump_crspace_to(mfde_pl, + fmsg); + case MLXSW_REG_MFDE_EVENT_ID_KVD_IM_STOP: + return mlxsw_core_health_fw_fatal_dump_kvd_im_stop(mfde_pl, + fmsg); + case MLXSW_REG_MFDE_EVENT_ID_FW_ASSERT: + return mlxsw_core_health_fw_fatal_dump_fw_assert(mfde_pl, fmsg); + case MLXSW_REG_MFDE_EVENT_ID_FATAL_CAUSE: + return mlxsw_core_health_fw_fatal_dump_fatal_cause(mfde_pl, + fmsg); } return 0; diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index f748b537bdab..c97d2c744725 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -11318,7 +11318,7 @@ mlxsw_reg_mgpir_unpack(char *payload, u8 *num_of_devices, * ----------------------------------- */ #define MLXSW_REG_MFDE_ID 0x9200 -#define MLXSW_REG_MFDE_LEN 0x18 +#define MLXSW_REG_MFDE_LEN 0x30 MLXSW_REG_DEFINE(mfde, MLXSW_REG_MFDE_ID, MLXSW_REG_MFDE_LEN); @@ -11328,10 +11328,32 @@ MLXSW_REG_DEFINE(mfde, MLXSW_REG_MFDE_ID, MLXSW_REG_MFDE_LEN); */ MLXSW_ITEM32(reg, mfde, irisc_id, 0x00, 24, 8); +enum mlxsw_reg_mfde_severity { + /* Unrecoverable switch behavior */ + MLXSW_REG_MFDE_SEVERITY_FATL = 2, + /* Unexpected state with possible systemic failure */ + MLXSW_REG_MFDE_SEVERITY_NRML = 3, + /* Unexpected state without systemic failure */ + MLXSW_REG_MFDE_SEVERITY_INTR = 5, +}; + +/* reg_mfde_severity + * The severity of the event. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, severity, 0x00, 16, 8); + enum mlxsw_reg_mfde_event_id { + /* CRspace timeout */ MLXSW_REG_MFDE_EVENT_ID_CRSPACE_TO = 1, /* KVD insertion machine stopped */ MLXSW_REG_MFDE_EVENT_ID_KVD_IM_STOP, + /* Triggered by MFGD.trigger_test */ + MLXSW_REG_MFDE_EVENT_ID_TEST, + /* Triggered when firmware hits an assert */ + MLXSW_REG_MFDE_EVENT_ID_FW_ASSERT, + /* Fatal error interrupt from hardware */ + MLXSW_REG_MFDE_EVENT_ID_FATAL_CAUSE, }; /* reg_mfde_event_id @@ -11372,32 +11394,110 @@ MLXSW_ITEM32(reg, mfde, command_type, 0x04, 24, 2); */ MLXSW_ITEM32(reg, mfde, reg_attr_id, 0x04, 0, 16); -/* reg_mfde_log_address +/* reg_mfde_crspace_to_log_address * crspace address accessed, which resulted in timeout. - * Valid in case event_id == MLXSW_REG_MFDE_EVENT_ID_CRSPACE_TO * Access: RO */ -MLXSW_ITEM32(reg, mfde, log_address, 0x10, 0, 32); +MLXSW_ITEM32(reg, mfde, crspace_to_log_address, 0x10, 0, 32); -/* reg_mfde_log_id +/* reg_mfde_crspace_to_oe + * 0 - New event + * 1 - Old event, occurred before MFGD activation. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, crspace_to_oe, 0x14, 24, 1); + +/* reg_mfde_crspace_to_log_id * Which irisc triggered the timeout. - * Valid in case event_id == MLXSW_REG_MFDE_EVENT_ID_CRSPACE_TO * Access: RO */ -MLXSW_ITEM32(reg, mfde, log_id, 0x14, 0, 4); +MLXSW_ITEM32(reg, mfde, crspace_to_log_id, 0x14, 0, 4); -/* reg_mfde_log_ip +/* reg_mfde_crspace_to_log_ip * IP (instruction pointer) that triggered the timeout. - * Valid in case event_id == MLXSW_REG_MFDE_EVENT_ID_CRSPACE_TO * Access: RO */ -MLXSW_ITEM64(reg, mfde, log_ip, 0x18, 0, 64); +MLXSW_ITEM64(reg, mfde, crspace_to_log_ip, 0x18, 0, 64); -/* reg_mfde_pipes_mask +/* reg_mfde_kvd_im_stop_oe + * 0 - New event + * 1 - Old event, occurred before MFGD activation. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, kvd_im_stop_oe, 0x10, 24, 1); + +/* reg_mfde_kvd_im_stop_pipes_mask * Bit per kvh pipe. * Access: RO */ -MLXSW_ITEM32(reg, mfde, pipes_mask, 0x10, 0, 16); +MLXSW_ITEM32(reg, mfde, kvd_im_stop_pipes_mask, 0x10, 0, 16); + +/* reg_mfde_fw_assert_var0-4 + * Variables passed to assert. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fw_assert_var0, 0x10, 0, 32); +MLXSW_ITEM32(reg, mfde, fw_assert_var1, 0x14, 0, 32); +MLXSW_ITEM32(reg, mfde, fw_assert_var2, 0x18, 0, 32); +MLXSW_ITEM32(reg, mfde, fw_assert_var3, 0x1C, 0, 32); +MLXSW_ITEM32(reg, mfde, fw_assert_var4, 0x20, 0, 32); + +/* reg_mfde_fw_assert_existptr + * The instruction pointer when assert was triggered. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fw_assert_existptr, 0x24, 0, 32); + +/* reg_mfde_fw_assert_callra + * The return address after triggering assert. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fw_assert_callra, 0x28, 0, 32); + +/* reg_mfde_fw_assert_oe + * 0 - New event + * 1 - Old event, occurred before MFGD activation. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fw_assert_oe, 0x2C, 24, 1); + +/* reg_mfde_fw_assert_tile_v + * 0: The assert was from main + * 1: The assert was from a tile + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fw_assert_tile_v, 0x2C, 23, 1); + +/* reg_mfde_fw_assert_tile_index + * When tile_v=1, the tile_index that caused the assert. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fw_assert_tile_index, 0x2C, 16, 6); + +/* reg_mfde_fw_assert_ext_synd + * A generated one-to-one identifier which is specific per-assert. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fw_assert_ext_synd, 0x2C, 0, 16); + +/* reg_mfde_fatal_cause_id + * HW interrupt cause id. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fatal_cause_id, 0x10, 0, 18); + +/* reg_mfde_fatal_cause_tile_v + * 0: The assert was from main + * 1: The assert was from a tile + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fatal_cause_tile_v, 0x14, 23, 1); + +/* reg_mfde_fatal_cause_tile_index + * When tile_v=1, the tile_index that caused the assert. + * Access: RO + */ +MLXSW_ITEM32(reg, mfde, fatal_cause_tile_index, 0x14, 16, 6); /* TNGCR - Tunneling NVE General Configuration Register * ----------------------------------------------------