[08/12] iwlwifi: dbg_ini: support debug info TLV

Message ID	20190625094452.19034-9-luca@coelho.fi (mailing list archive)
State	Accepted
Delegated to:	Luca Coelho
Headers	show Return-Path: <linux-wireless-owner@kernel.org> From: Luca Coelho <luca@coelho.fi> To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Shahar S Matityahu <shahar.s.matityahu@intel.com>, Luca Coelho <luciano.coelho@intel.com> Subject: [PATCH 08/12] iwlwifi: dbg_ini: support debug info TLV Date: Tue, 25 Jun 2019 12:44:48 +0300 Message-Id: <20190625094452.19034-9-luca@coelho.fi> In-Reply-To: <20190625094452.19034-1-luca@coelho.fi> References: <20190625094452.19034-1-luca@coelho.fi> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk
Series	iwlwifi: updates intended for v5.3 2019-06-25 \| expand [00/12] iwlwifi: updates intended for v5.3 2019-06-25 [01/12] iwlwifi: iwl_mvm_tx_mpdu() must be called with BH disabled [02/12] iwlwifi: dbg: allow dump collection in case of an early error [03/12] iwlwifi: dbg_ini: dump headers cleanup [04/12] iwlwifi: update CSI API [05/12] iwlwifi: dbg_ini: abort region collection in case the size is 0 [06/12] iwlwifi: dbg_ini: add consecutive trigger firing support [07/12] iwlwifi: dbg_ini: use different barker for ini dump [08/12] iwlwifi: dbg_ini: support debug info TLV [09/12] iwlwifi: mvm: add a debugfs entry to set a fixed size AMSDU for all TX packets [10/12] iwlwifi: dbg_ini: implement dump info collection [11/12] iwlwifi: mvm: remove multiple debugfs entries [12/12] iwlwifi: fw api: support adwell HB default APs number api

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h b/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h index f4202bc231a6..aaf3974a9a20 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h @@ -291,6 +291,28 @@ struct iwl_fw_ini_trigger_tlv { struct iwl_fw_ini_trigger trigger_config[]; } __packed; /* FW_TLV_DEBUG_TRIGGERS_API_S_VER_1 */ +#define IWL_FW_INI_MAX_IMG_NAME_LEN 32 +#define IWL_FW_INI_MAX_DBG_CFG_NAME_LEN 64 + +/** + * struct iwl_fw_ini_debug_info_tlv - (IWL_UCODE_TLV_TYPE_DEBUG_INFO) + * + * holds image name and debug configuration name + * + * @header: header + * @img_name_len: length of the image name string + * @img_name: image name string + * @dbg_cfg_name_len : length of the debug configuration name string + * @dbg_cfg_name: debug configuration name string + */ +struct iwl_fw_ini_debug_info_tlv { + struct iwl_fw_ini_header header; + __le32 img_name_len; + u8 img_name[IWL_FW_INI_MAX_IMG_NAME_LEN]; + __le32 dbg_cfg_name_len; + u8 dbg_cfg_name[IWL_FW_INI_MAX_DBG_CFG_NAME_LEN]; +} __packed; /* FW_DEBUG_TLV_INFO_API_S_VER_1 */ + /** * enum iwl_fw_ini_trigger_id * diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 2f6881bfcde6..806eb9847f72 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2373,6 +2373,38 @@ void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt) } IWL_EXPORT_SYMBOL(iwl_fw_dbg_read_d3_debug_data); +static void iwl_fw_dbg_info_apply(struct iwl_fw_runtime *fwrt, + struct iwl_fw_ini_debug_info_tlv *dbg_info, + bool ext, enum iwl_fw_ini_apply_point pnt) +{ + u32 img_name_len = le32_to_cpu(dbg_info->img_name_len); + u32 dbg_cfg_name_len = le32_to_cpu(dbg_info->dbg_cfg_name_len); + const char err_str[] = + "WRT: ext=%d. Invalid %s name length %d, expected %d\n"; + + if (img_name_len != IWL_FW_INI_MAX_IMG_NAME_LEN) { + IWL_WARN(fwrt, err_str, ext, "image", img_name_len, + IWL_FW_INI_MAX_IMG_NAME_LEN); + return; + } + + if (dbg_cfg_name_len != IWL_FW_INI_MAX_DBG_CFG_NAME_LEN) { + IWL_WARN(fwrt, err_str, ext, "debug cfg", dbg_cfg_name_len, + IWL_FW_INI_MAX_DBG_CFG_NAME_LEN); + return; + } + + if (ext) { + memcpy(fwrt->dump.external_dbg_cfg_name, dbg_info->dbg_cfg_name, + sizeof(fwrt->dump.external_dbg_cfg_name)); + } else { + memcpy(fwrt->dump.img_name, dbg_info->img_name, + sizeof(fwrt->dump.img_name)); + memcpy(fwrt->dump.internal_dbg_cfg_name, dbg_info->dbg_cfg_name, + sizeof(fwrt->dump.internal_dbg_cfg_name)); + } +} + static void iwl_fw_dbg_buffer_allocation(struct iwl_fw_runtime *fwrt, u32 size) { @@ -2679,6 +2711,9 @@ static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, u32 type = le32_to_cpu(tlv->type); switch (type) { + case IWL_UCODE_TLV_TYPE_DEBUG_INFO: + iwl_fw_dbg_info_apply(fwrt, ini_tlv, ext, pnt); + break; case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: { struct iwl_fw_ini_allocation_data *buf_alloc = ini_tlv; @@ -2714,22 +2749,34 @@ static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, } } +static void iwl_fw_dbg_ini_reset_cfg(struct iwl_fw_runtime *fwrt) +{ + int i; + + for (i = 0; i < IWL_FW_INI_MAX_REGION_ID; i++) + fwrt->dump.active_regs[i] = NULL; + + /* disable the triggers, used in recovery flow */ + for (i = 0; i < IWL_FW_TRIGGER_ID_NUM; i++) + fwrt->dump.active_trigs[i].active = false; + + memset(fwrt->dump.img_name, 0, + sizeof(fwrt->dump.img_name)); + memset(fwrt->dump.internal_dbg_cfg_name, 0, + sizeof(fwrt->dump.internal_dbg_cfg_name)); + memset(fwrt->dump.external_dbg_cfg_name, 0, + sizeof(fwrt->dump.external_dbg_cfg_name)); +} + void iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, enum iwl_fw_ini_apply_point apply_point) { void *data = &fwrt->trans->apply_points[apply_point]; - int i; IWL_DEBUG_FW(fwrt, "WRT: enabling apply point %d\n", apply_point); - if (apply_point == IWL_FW_INI_APPLY_EARLY) { - for (i = 0; i < IWL_FW_INI_MAX_REGION_ID; i++) - fwrt->dump.active_regs[i] = NULL; - - /* disable the triggers, used in recovery flow */ - for (i = 0; i < IWL_FW_TRIGGER_ID_NUM; i++) - fwrt->dump.active_trigs[i].active = false; - } + if (apply_point == IWL_FW_INI_APPLY_EARLY) + iwl_fw_dbg_ini_reset_cfg(fwrt); _iwl_fw_dbg_apply_point(fwrt, data, apply_point, false); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index de9243d30135..71438c40a637 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -151,12 +151,13 @@ enum iwl_ucode_tlv_type { IWL_UCODE_TLV_FW_RECOVERY_INFO = 57, IWL_UCODE_TLV_FW_FSEQ_VERSION = 60, - IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION = IWL_UCODE_INI_TLV_GROUP + 0x1, - IWL_UCODE_TLV_DEBUG_BASE = IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION, - IWL_UCODE_TLV_TYPE_HCMD = IWL_UCODE_INI_TLV_GROUP + 0x2, - IWL_UCODE_TLV_TYPE_REGIONS = IWL_UCODE_INI_TLV_GROUP + 0x3, - IWL_UCODE_TLV_TYPE_TRIGGERS = IWL_UCODE_INI_TLV_GROUP + 0x4, - IWL_UCODE_TLV_TYPE_DEBUG_FLOW = IWL_UCODE_INI_TLV_GROUP + 0x5, + IWL_UCODE_TLV_DEBUG_BASE = IWL_UCODE_INI_TLV_GROUP, + IWL_UCODE_TLV_TYPE_DEBUG_INFO = IWL_UCODE_TLV_DEBUG_BASE + 0, + IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION = IWL_UCODE_TLV_DEBUG_BASE + 1, + IWL_UCODE_TLV_TYPE_HCMD = IWL_UCODE_TLV_DEBUG_BASE + 2, + IWL_UCODE_TLV_TYPE_REGIONS = IWL_UCODE_TLV_DEBUG_BASE + 3, + IWL_UCODE_TLV_TYPE_TRIGGERS = IWL_UCODE_TLV_DEBUG_BASE + 4, + IWL_UCODE_TLV_TYPE_DEBUG_FLOW = IWL_UCODE_TLV_DEBUG_BASE + 5, IWL_UCODE_TLV_DEBUG_MAX = IWL_UCODE_TLV_TYPE_DEBUG_FLOW, /* TLVs 0x1000-0x2000 are for internal driver usage */ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h index e351ac7ae53b..07196a9fa5db 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h @@ -146,6 +146,10 @@ struct iwl_fw_runtime { u32 umac_err_id; void *fifo_iter; struct timer_list periodic_trig; + + u8 img_name[IWL_FW_INI_MAX_IMG_NAME_LEN]; + u8 internal_dbg_cfg_name[IWL_FW_INI_MAX_DBG_CFG_NAME_LEN]; + u8 external_dbg_cfg_name[IWL_FW_INI_MAX_DBG_CFG_NAME_LEN]; } dump; #ifdef CONFIG_IWLWIFI_DEBUGFS struct { diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c index ba66f7fba064..fcc1c5c1d013 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c @@ -221,6 +221,7 @@ static int iwl_parse_fw_dbg_tlv(struct iwl_trans *trans, const u8 *data, data += sizeof(*tlv) + ALIGN(tlv_len, 4); switch (tlv_type) { + case IWL_UCODE_TLV_TYPE_DEBUG_INFO: case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: case IWL_UCODE_TLV_TYPE_HCMD: case IWL_UCODE_TLV_TYPE_REGIONS: diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index 852d3cbfc719..e14811ca75b3 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -1137,6 +1137,7 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, IWL_ERROR_EVENT_TABLE_LMAC1; break; } + case IWL_UCODE_TLV_TYPE_DEBUG_INFO: case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: case IWL_UCODE_TLV_TYPE_HCMD: case IWL_UCODE_TLV_TYPE_REGIONS:

[08/12] iwlwifi: dbg_ini: support debug info TLV

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