From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D1C83C36013 for ; Thu, 27 Mar 2025 23:40:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2E91610E958; Thu, 27 Mar 2025 23:40:37 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="cWk8vsoJ"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 578F110E94E for ; Thu, 27 Mar 2025 23:40:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743118832; x=1774654832; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AsOOZjgX8k+crVhOcrwSiKZp+fwZsrzEPjlf89zfh3w=; b=cWk8vsoJ4nKGWxEaqmDowIDYsqacul65Li7w3ZZdCF65EIx/JH6j1kuW 3jB54sMyZr2BqLQTUDsNNlgEbQOdfDAcMmkHCIpulhKEYFrIgNFL6NLyV HzN0wa8qnv1mmPBDn/0Ktr8LBaE1q3wRkHHB/g8f/+60gI3eQwkQDUSO0 LN7Yc1PbIywrrpsVFZGWVz9vufIlbwz3MSyrKPLFnublfTghGbpTzEa1x maqHdrsR3MniDFVb9uvyEaaoABrSRxBBDB9V/w3zKdlcrL8Vx2PIy7SM2 xuE5KY9NBC0RPvEy5sewB6MFV0afHNhmzaqFYwfbaRtnuvXRjW0azeUvI g==; X-CSE-ConnectionGUID: CMnWObKSS7KWxBahGrNdug== X-CSE-MsgGUID: bnLbMJ4mRSCo1/ScnNah9w== X-IronPort-AV: E=McAfee;i="6700,10204,11385"; a="43714322" X-IronPort-AV: E=Sophos;i="6.14,281,1736841600"; d="scan'208";a="43714322" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2025 16:40:30 -0700 X-CSE-ConnectionGUID: 3X9M08CDRhSmHmClhwjtXQ== X-CSE-MsgGUID: JK1C9gvyS5+RATtBxitlNg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,281,1736841600"; d="scan'208";a="125262915" Received: from guc-pnp-dev-box-1.fm.intel.com ([10.1.27.7]) by fmviesa007.fm.intel.com with ESMTP; 27 Mar 2025 16:40:29 -0700 From: Zhanjun Dong To: intel-xe@lists.freedesktop.org Cc: Zhanjun Dong Subject: [PATCH v2 1/2] drm/xe/guc: Add LFD format output for guc log Date: Thu, 27 Mar 2025 16:40:27 -0700 Message-Id: <20250327234028.249314-2-zhanjun.dong@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250327234028.249314-1-zhanjun.dong@intel.com> References: <20250327234028.249314-1-zhanjun.dong@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add new debugfs entry "guc_log_lfd", which supports output guc log in LFD(Log Format Descriptors) format. Signed-off-by: Zhanjun Dong --- drivers/gpu/drm/xe/abi/guc_log_abi.h | 112 +++++++ drivers/gpu/drm/xe/abi/guc_log_lfd_abi.h | 261 ++++++++++++++++ drivers/gpu/drm/xe/xe_guc_debugfs.c | 14 + drivers/gpu/drm/xe/xe_guc_log.c | 368 +++++++++++++++++++++++ drivers/gpu/drm/xe/xe_guc_log.h | 1 + 5 files changed, 756 insertions(+) create mode 100644 drivers/gpu/drm/xe/abi/guc_log_lfd_abi.h diff --git a/drivers/gpu/drm/xe/abi/guc_log_abi.h b/drivers/gpu/drm/xe/abi/guc_log_abi.h index 554630b7ccd9..50b697e44c42 100644 --- a/drivers/gpu/drm/xe/abi/guc_log_abi.h +++ b/drivers/gpu/drm/xe/abi/guc_log_abi.h @@ -17,6 +17,118 @@ enum guc_log_buffer_type { #define GUC_LOG_BUFFER_TYPE_MAX 3 +#define GUC_LOG_BUFFER_STATE_HEADER_LENGTH 4096 +#define GUC_LOG_BUFFER_STATE_HEADER_ENTRY_LOG 0 +#define GUC_LOG_BUFFER_STATE_HEADER_ENTRY_CRASH 1 +#define GUC_LOG_BUFFER_STATE_HEADER_ENTRY_CAPTURE 2 +#define GUC_LOG_BUFFER_STATE_HEADER_ENTRY_INIT 3 +#define GUC_LOG_BUFFER_STATE_HEADER_ENTRY_COUNT 4 + +#define GUC_LOG_INIT_CONFIG_LIC_MAGIC 0x8086900D +#define GUC_LOG_INIT_CONFIG_FORMAT_VERSION_MAJOR 0x0001 +#define GUC_LOG_INIT_CONFIG_FORMAT_VERSION_MINOR 0x0000 + +/** Log Init Config KLV IDs. */ +enum guc_log_lic_type_t { + /** + * GuC firmware version. Value is a 32 bit number represented by + * guc_sw_version_t. + */ + GUC_LOG_LIC_TYPE_GUC_SW_VERSION = 0x1, + /** + * GuC device id. Value is a 32 bit. Refer BSpec symbol + * GUC_DEVICEID + */ + GUC_LOG_LIC_TYPE_GUC_DEVICE_ID = 0x2, + /** + * GuC timestamp counter frequency. Value is a 32 bit number + * representing frequency in kilohertz. This timestamp is utilized + * in log entries, timer and for engine utilization tracking. + */ + GUC_LOG_LIC_TYPE_TSC_FREQUENCY = 0x3, + /** + * HW GMD ID. Value is a 32 bit number representing graphics, + * media and display HW architecture IDs. + */ + GUC_LOG_LIC_TYPE_GMD_ID = 0x4, + /** GuC build platform ID. Value is 32 bits. */ + GUC_LOG_LIC_TYPE_BUILD_PLATFORM_ID = 0x5, +}; + +#define GUC_LOG_LIC_TYPE_FIRST (GUC_LOG_LIC_TYPE_GUC_SW_VERSION) +#define GUC_LOG_LIC_TYPE_LAST (GUC_LOG_LIC_TYPE_BUILD_PLATFORM_ID + 1) + +/** struct guc_klv_generic_t - KLV with multiple DWs in an array */ +struct guc_klv_generic_t { + /** @length: Length in Dwords of data. */ + u16 length; + /** @key: Key value */ + u16 key; + /** @value: Value for this key */ + u32 value[]; +} __packed; + +/** + * struct guc_sw_version_t - This structure describes the full version of + * a software component. + */ +struct guc_sw_version_t { + /** @patch_version: BR[7:0] Patch version */ + u32 patch_version : 8; + /** @minor_version: BR[15:8] Minor version */ + u32 minor_version : 8; + /** @major_version: BR[23:16] Major version */ + u32 major_version : 8; + /** @branch_id: BR[31:24] Branch ID */ + u32 branch_id : 8; +} __packed; + +/** + * struct guc_lic_format_version_t - Log Init Config Structure Version. + * Major-Minor is not a fractional number (i.e. Ver 1.3 would be older + * than 1.12) + */ +struct guc_lic_format_version_t { + /** + * @minor_version: BR[15:0] Log-Init-Config structure minor + * version. Must be GUC_LOG_INIT_CONFIG_FORMAT_VERSION_MINOR + */ + u32 minor_version : 16; + /** + * @major_version: BR[31:16] Log-Init-Config structure major + * version. Must be GUC_LOG_INIT_CONFIG_FORMAT_VERSION_MAJOR + */ + u32 major_version : 16; +} __packed; + +/** + * struct guc_log_init_config_t - GuC Log-Init-Config structure. + * This is populated by the GUC at log init time and is located in the log + * buffer as per the Log Buffer Layout (In Memory). The array of guc log + * buffer states plus this structure must not exceed 4KB + */ +struct guc_log_init_config_t { + /** + * @lic_magic: A magic number set by GuC to identify that this + * structure contains valid information: lic_magic = 0x8086900D. + * Used to verify the information in this structure is valid. + */ + u32 lic_magic; + /** + * @lic_ver: The version of the this structure. Detail description + * is guc_lic_format_version_t + */ + struct guc_lic_format_version_t lic_ver; + /** @lic_dw_size: Number of Dws the `lic_data` array contains. */ + u32 lic_dw_size; + /** + * @lic_data: Array of dwords representing a list of LIC KLVs of + * type guc_klv_generic_t with keys represented by + * guc_log_lic_type_t + */ + u32 lic_data[]; +} __packed; + /** * struct guc_log_buffer_state - GuC log buffer state * diff --git a/drivers/gpu/drm/xe/abi/guc_log_lfd_abi.h b/drivers/gpu/drm/xe/abi/guc_log_lfd_abi.h new file mode 100644 index 000000000000..8aaacab244cb --- /dev/null +++ b/drivers/gpu/drm/xe/abi/guc_log_lfd_abi.h @@ -0,0 +1,261 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2025 Intel Corporation + */ + +#ifndef _ABI_GUC_LOG_LFD_ABI_H_ +#define _ABI_GUC_LOG_LFD_ABI_H_ + +#include + +#include "abi/guc_log_abi.h" + +/* Magic keys define */ +#define LFD_DRIVER_KEY_STREAMING 0x8086AAAA474C5346 +#define LFD_LOG_BUFFER_MARKER_2 0xDEADFEED +#define LFD_CRASH_DUMP_BUFFER_MARKER_2 0x8086DEAD +#define LFD_STATE_CAPTURE_BUFFER_MARKER_2 0xBEEFFEED +#define LFD_LOG_BUFFER_MARKER_1V2 0xCABBA9E6 +#define LFD_STATE_CAPTURE_BUFFER_MARKER_1V2 0xCABBA9F7 + +#define GUC_LOGFILE_LFD_MAGIC upper_16_bits(LFD_CRASH_DUMP_BUFFER_MARKER_2) + +/** The current major version of GuC-Log-File format. */ +#define GUC_LOG_FILE_FORMAT_VERSION_MAJOR 0x0001 +/** The current minor version of GuC-Log-File format. */ +#define GUC_LOG_FILE_FORMAT_VERSION_MINOR 0x0000 + +/** Log format descriptor type */ +enum guc_lfd_type_t { + /** Start of range for required LFDs from GuC */ + GUC_LFD_TYPE_FW_REQUIRED_RANGE_START = 0x1, + /** + * GuC Firmware Version structure. LFDs payload is + * guc_lfd_data_fw_version_t + */ + GUC_LFD_TYPE_FW_VERSION = 0x1, + /** + * GuC microcontroller device ID. LFDs payload is + * guc_lfd_data_guc_devid_t + */ + GUC_LFD_TYPE_GUC_DEVICE_ID = 0x2, + /** + * Frequency of GuC timestamps. LFDs payload is + * guc_lfd_data_tsc_freq_t + */ + GUC_LFD_TYPE_TSC_FREQUENCY = 0x3, + /** HW GMD ID. LFDs payload is guc_lfd_data_gmdid_t */ + GUC_LFD_TYPE_GMD_ID = 0x4, + /** + * GuC build platform ID. LFDs payload is + * guc_lfd_data_build_platformid_t + */ + GUC_LFD_TYPE_BUILD_PLATFORM_ID = 0x5, + /** End of this range */ + GUC_LFD_TYPE_FW_REQUIRED_RANGE_END = 0x1FFF, + /** Start of range for required LFDs from GuC */ + GUC_LFD_TYPE_FW_OPTIONAL_RANGE_START = 0x2000, + /** + * Log-event-entries buffer. LFDs payload is + * guc_lfd_data_log_events_buf_t + */ + GUC_LFD_TYPE_LOG_EVENTS_BUFFER = 0x2000, + /** + * GuC generated crash-dump blob. LFDs payload is + * guc_lfd_data_fw_crashdump_t + */ + GUC_LFD_TYPE_FW_CRASH_DUMP = 0x2001, + /** End of this range */ + GUC_LFD_TYPE_FW_OPTIONAL_RANGE_END = 0x3FFF, + /** Start of range for required KMD LFDs */ + GUC_LFD_TYPE_KMD_REQUIRED_RANGE_START = 0x4000, + /** + * An identifier for the OS. LFDs payload is guc_lfd_data_os_id_t + */ + GUC_LFD_TYPE_OS_ID = 0x4000, + /** End of this range */ + GUC_LFD_TYPE_KMD_REQUIRED_RANGE_END = 0x5FFF, + /** Start of range for optional KMD LFDs */ + GUC_LFD_TYPE_KMD_OPTIONAL_RANGE_START = 0x6000, + /** + * Binary representation of GuC log-events schema. LFDs TLV + * payload is guc_lfd_data_binary_schema_t + */ + GUC_LFD_TYPE_BINARY_SCHEMA_FORMAT = 0x6000, + /** + * ASCII string containing comments from the host/KMD. LFDs TLV + * payload is guc_lfd_data_host_comment_t + */ + GUC_LFD_TYPE_HOST_COMMENT = 0x6001, + /** End of this range */ + GUC_LFD_TYPE_KMD_OPTIONAL_RANGE_END = 0x7FFF, + /** Start of reserved range */ + GUC_LFD_TYPE_RESERVED_RANGE_START = 0x8000, + /** End of this range */ + GUC_LFD_TYPE_RESERVED_RANGE_END = 0xFFFF, +}; + +/** OS Type LFD-ID */ +enum guc_lfd_os_type_t { + /** Windows OS */ + GUC_LFD_OS_TYPE_OSID_WIN = 0x1, + /** Linux OS */ + GUC_LFD_OS_TYPE_OSID_LIN = 0x2, + /** VMWare OS */ + GUC_LFD_OS_TYPE_OSID_VMW = 0x3, + /** Other */ + GUC_LFD_OS_TYPE_OSID_OTHER = 0x4, +}; + +/** + * struct guc_logfile_lfd_t - Log format descriptor (LFD). + * A type of KLV with custom field-sizes + magic numbers. + */ +struct guc_logfile_lfd_t { + /** + * @magic: BR[15:0] Expected value: 0x8086. Helpful in detecting + * file errors. + */ + u32 magic : 16; + /** + * @desc_type: BR[31:16] File descriptor type (the 'T' in TLV) is + * used to identify how to interpret `data` below. For the range + * of types, see guc_lfd_type_t + */ + u32 desc_type : 16; + /** @desc_dw_size: Number of dwords the `data` field contains. */ + u32 desc_dw_size; + /** @data: Data defined by File descriptor type. */ + u32 data[]; +} __packed; + +/** + * struct guc_logfile_fmt_ver_t - GuC Log File Format Version. + * Major-Minor is not a fractional number (i.e. Ver 1.3 would be older + * than 1.12) + */ +struct guc_logfile_fmt_ver_t { + /** + * @minor_version: BR[15:0] Guc-Log-File Format minor version. + * Must be GUC_LOG_FILE_FORMAT_VERSION_MINOR + */ + u32 minor_version : 16; + /** + * @major_version: BR[31:16] Guc-Log-File Format major version. + * Must be GUC_LOG_FILE_FORMAT_VERSION_MAJOR + */ + u32 major_version : 16; +} __packed; + +/** + * struct guc_lfd_data_guc_devid_t - GuC Device ID. + * This is mandatory fw LFD data + */ +struct guc_lfd_data_guc_devid_t { + /** + * @guc_devid: GuC microcontroller device ID defined as described + * in GUC_LOG_LIC_TYPE_GUC_DEVICE_ID + */ + u32 guc_devid; +} __packed; + +/** + * struct guc_lfd_data_tsc_freq_t - GuC TSC Fequency. + * This is mandatory fw LFD data + */ +struct guc_lfd_data_tsc_freq_t { + /** + * @tsc_freq: GuC timestamp counter frequency as described in + * GUC_LOG_LIC_TYPE_TSC_FREQUENCY + */ + u32 tsc_freq; +} __packed; + +/** struct guc_lfd_data_gmdid_t - GMD ID. */ +struct guc_lfd_data_gmdid_t { + /** @gmd_id: GMD ID as described in GUC_LOG_LIC_TYPE_GMD_ID */ + u32 gmd_id; +} __packed; + +/** struct guc_lfd_data_build_platformid_t - GuC build platform ID. */ +struct guc_lfd_data_build_platformid_t { + /** + * @platform_build_id: GuC build platform ID as described in + * GUC_LOG_LIC_TYPE_BUILD_PLATFORM_ID + */ + u32 platform_build_id; +} __packed; + +/** + * struct guc_lfd_data_log_events_buf_t - GuC Log Events Buffer. + * This is optional fw LFD data + */ +struct guc_lfd_data_log_events_buf_t { + /** + * @log_events_format_version: version of GuC log format of buffer + */ + u32 log_events_format_version; + /** + * @log_format_buf: If `log_format_version` == 1, array of + * guc_log_format_version_1_t. If `log_format_version` == 2, array + * of guc_log_format_version_2_t. Dword size determined by + * guc_logfile_lfd_t.`desc_dw_size` - 1 + */ + u32 log_format_buf[]; +} __packed; + +/** + * struct guc_lfd_data_os_id_t - OS Version Information. + * This is mandatory host LFD data + */ +struct guc_lfd_data_os_id_t { + /** + * @os_id: enum values to identify the OS brand (1=Windows, + * 2=Linux, etc..). See guc_lfd_os_type_t for the range of types + */ + u32 os_id; + /** + * @build_version: ASCII string containing OS build version + * information based on os_id. String is padded with null + * characters to ensure its DWORD aligned. Dword size determined + * by guc_logfile_lfd_t.`desc_dw_size` - 1 + */ + char build_version[]; +} __packed; + +/** + * struct guc_logfile_t - GuC Log Streaming-LFD-File Format. + * This structure encapsulates the layout of the guc-log-file format + */ +struct guc_logfile_t { + /** + * @magic: A magic number set by producer of a GuC log file to + * identify that file is a valid guc-log-file containing a stream + * of LFDs: Expected value: 0x8086AAAA474C5346. + */ + u64 magic; + /** + * @version: Version of this file format layout as per + * guc_logfile_fmt_ver_t + */ + struct guc_logfile_fmt_ver_t version; + /** + * @lfd_stream: A stream of one or more guc_logfile_lfd_t LFD data + */ + struct guc_logfile_lfd_t lfd_stream; +} __packed; + +/** + * struct guc_lfd_data_fw_version_t - GuC FW Version. + * This is mandatory fw LFD data + */ +struct guc_lfd_data_fw_version_t { + /** + * @guc_sw_version: The full version of the GuC microkernel that + * generated the logs as described in + * GUC_LOG_LIC_TYPE_GUC_SW_VERSION. + */ + struct guc_sw_version_t guc_sw_version; +} __packed; + +#endif diff --git a/drivers/gpu/drm/xe/xe_guc_debugfs.c b/drivers/gpu/drm/xe/xe_guc_debugfs.c index c569ff456e74..6449c9a69b8a 100644 --- a/drivers/gpu/drm/xe/xe_guc_debugfs.c +++ b/drivers/gpu/drm/xe/xe_guc_debugfs.c @@ -48,6 +48,19 @@ static int guc_log(struct seq_file *m, void *data) return 0; } +static int guc_log_lfd(struct seq_file *m, void *data) +{ + struct xe_guc *guc = node_to_guc(m->private); + struct xe_device *xe = guc_to_xe(guc); + struct drm_printer p = drm_seq_file_printer(m); + + xe_pm_runtime_get(xe); + xe_guc_log_print_lfd(&guc->log, &p); + xe_pm_runtime_put(xe); + + return 0; +} + static int guc_log_dmesg(struct seq_file *m, void *data) { struct xe_guc *guc = node_to_guc(m->private); @@ -89,6 +102,7 @@ static int guc_pc(struct seq_file *m, void *data) static const struct drm_info_list debugfs_list[] = { {"guc_info", guc_info, 0}, {"guc_log", guc_log, 0}, + {"guc_log_lfd", guc_log_lfd, 0}, {"guc_log_dmesg", guc_log_dmesg, 0}, {"guc_ctb", guc_ctb, 0}, {"guc_pc", guc_pc, 0}, diff --git a/drivers/gpu/drm/xe/xe_guc_log.c b/drivers/gpu/drm/xe/xe_guc_log.c index 80514a446ba2..5659d60e41ab 100644 --- a/drivers/gpu/drm/xe/xe_guc_log.c +++ b/drivers/gpu/drm/xe/xe_guc_log.c @@ -7,8 +7,12 @@ #include +//#include +//#include "boot.h" +#include #include +#include "abi/guc_log_lfd_abi.h" #include "regs/xe_guc_regs.h" #include "xe_bo.h" #include "xe_devcoredump.h" @@ -19,6 +23,57 @@ #include "xe_mmio.h" #include "xe_module.h" +static struct guc_log_buffer_entry_markers { + u32 key[2]; +} const entry_markers[4] = { + {{ + LFD_LOG_BUFFER_MARKER_1V2, + LFD_LOG_BUFFER_MARKER_2 + }}, + {{ + LFD_LOG_BUFFER_MARKER_1V2, + LFD_CRASH_DUMP_BUFFER_MARKER_2 + }}, + {{ + LFD_STATE_CAPTURE_BUFFER_MARKER_1V2, + LFD_STATE_CAPTURE_BUFFER_MARKER_2 + }}, + {{ + GUC_LOG_INIT_CONFIG_LIC_MAGIC, + ((GUC_LOG_INIT_CONFIG_FORMAT_VERSION_MAJOR << 16) + | GUC_LOG_INIT_CONFIG_FORMAT_VERSION_MINOR) + }} +}; + +static struct guc_log_buffer_entry_list { + u32 offset; + u32 rd_ptr; + u32 wr_ptr; + u32 buf_size; +} entry_list[GUC_LOG_BUFFER_STATE_HEADER_ENTRY_COUNT]; + +static const struct guc_logfile_lfd_t default_guc_logfile_lfd = { + .magic = GUC_LOGFILE_LFD_MAGIC, +}; + +static const struct guc_logfile_t default_guc_logfile = { + .magic = LFD_DRIVER_KEY_STREAMING, + .version = { + .minor_version = GUC_LOG_FILE_FORMAT_VERSION_MINOR, + .major_version = GUC_LOG_FILE_FORMAT_VERSION_MAJOR + } +}; + +struct guc_log_init_config_save_t { + /* + * Array of init config KLVs. + * Range from GUC_LOG_LIC_TYPE_FIRST to + * GUC_LOG_LIC_TYPE_LAST + */ + u32 KLV[GUC_LOG_LIC_TYPE_LAST - GUC_LOG_LIC_TYPE_FIRST]; + struct guc_log_buffer_state log_buf_state; +}; + static struct xe_guc * log_to_guc(struct xe_guc_log *log) { @@ -216,6 +271,305 @@ void xe_guc_log_snapshot_print(struct xe_guc_log_snapshot *snapshot, struct drm_ } } +static int xe_guc_log_add_lfd_header(char *buf, int buf_size) +{ + int len; + + if (buf_size < sizeof(struct guc_logfile_lfd_t)) + return -ENOMEM; + + len = sizeof(default_guc_logfile_lfd); + memcpy(buf, &default_guc_logfile_lfd, len); + + return len; +} + +static int xe_guc_log_add_payload(char *buf, int buf_size, u32 data_len, void *data) +{ + struct guc_logfile_lfd_t *lfd = (struct guc_logfile_lfd_t *)buf; + + if (buf_size < sizeof(struct guc_logfile_lfd_t) + data_len) + return -ENOMEM; + + /* make length DW aligned */ + lfd->desc_dw_size = data_len / 4; + if (data_len % 4) + lfd->desc_dw_size++; + + if (lfd->data != data) + memcpy(lfd->data, data, data_len); + + return lfd->desc_dw_size * 4; +} + +static int xe_guc_log_add_typed_payload(char *buf, int buf_size, u32 type, + u32 data_len, void *data) +{ + int len; + struct guc_logfile_lfd_t *lfd = (struct guc_logfile_lfd_t *)buf; + + if (buf_size < sizeof(struct guc_logfile_lfd_t) + data_len) + return -ENOMEM; + + len = xe_guc_log_add_lfd_header(buf, buf_size); + lfd->desc_type = type; + len += xe_guc_log_add_payload(buf, buf_size, data_len, data); + + return len; +} + +static int xe_guc_log_add_os_id(char *buf, int buf_size, u32 id) +{ + char *version; + int info_len; + struct guc_logfile_lfd_t *lfd = (struct guc_logfile_lfd_t *)buf; + struct guc_lfd_data_os_id_t *os_id = (struct guc_lfd_data_os_id_t *)lfd->data; + + os_id->os_id = id; + + version = init_utsname()->release; + info_len = strlen(version) + 1; + + if (buf_size < sizeof(struct guc_logfile_lfd_t) + info_len) + return -ENOMEM; + + strscpy(os_id->build_version, version, info_len); + + return xe_guc_log_add_typed_payload(buf, buf_size, GUC_LFD_TYPE_OS_ID, + info_len + sizeof(*os_id), os_id); +} + +static int +xe_guc_log_add_log_event(char *buf, int buf_size, char *log_bin, + struct guc_log_init_config_save_t *config) +{ + int len; + char *data; + u32 data_len; + struct guc_lfd_data_log_events_buf_t *events_buf; + struct guc_logfile_lfd_t *lfd = (struct guc_logfile_lfd_t *)buf; + struct guc_log_buffer_entry_list *entry; + + entry = &entry_list[GUC_LOG_BUFFER_STATE_HEADER_ENTRY_LOG]; + + /* Skip empty log */ + if (entry->rd_ptr == entry->wr_ptr) + return 0; + + len = xe_guc_log_add_lfd_header(buf, buf_size); + if (len < 0) + return len; + + buf_size -= len; + lfd = (struct guc_logfile_lfd_t *)buf; + + lfd->desc_type = GUC_LFD_TYPE_LOG_EVENTS_BUFFER; + events_buf = (struct guc_lfd_data_log_events_buf_t *)&lfd->data; + events_buf->log_events_format_version = config->log_buf_state.version; + + data = log_bin + entry->offset + entry->rd_ptr; + if (entry->rd_ptr < entry->wr_ptr) { + data_len = entry->wr_ptr - entry->rd_ptr; + if (data_len <= buf_size) { + memcpy(events_buf->log_format_buf, data, data_len); + buf_size -= data_len; + } else { + return -ENOMEM; + } + } else { + int cp_len; + + /* Copy rd to buf end 1st */ + data_len = entry->buf_size - entry->rd_ptr; + if (data_len <= buf_size) { + memcpy(events_buf->log_format_buf, data, data_len); + buf_size -= data_len; + } else { + return -ENOMEM; + } + + /* Copy buf start to wr */ + data = &log_bin[entry->offset]; + cp_len = entry->wr_ptr; + if (cp_len <= buf_size - cp_len) + memcpy(&events_buf->log_format_buf[data_len / 4], data, cp_len); + else + return -ENOMEM; + data_len += cp_len; + } + + /* make length DW aligned */ + lfd->desc_dw_size = data_len / 4; + if (data_len % 4) + lfd->desc_dw_size++; + + /* Addup log_events_format_version size */ + lfd->desc_dw_size++; + + return len + lfd->desc_dw_size * 4; +} + +static inline int lic_type_to_KLV_index(u32 lic_type) +{ + XE_WARN_ON(lic_type < GUC_LOG_LIC_TYPE_FIRST || lic_type >= GUC_LOG_LIC_TYPE_LAST); + + return lic_type - GUC_LOG_LIC_TYPE_FIRST; +} + +static int xe_guc_log_add_klv(char *buf, int size, u32 lic_type, + struct guc_log_init_config_save_t *config) +{ + /* LFD type must matches LIC type */ + BUILD_BUG_ON((int)GUC_LFD_TYPE_FW_VERSION != (int)GUC_LOG_LIC_TYPE_GUC_SW_VERSION); + BUILD_BUG_ON((int)GUC_LFD_TYPE_GUC_DEVICE_ID != (int)GUC_LOG_LIC_TYPE_GUC_DEVICE_ID); + BUILD_BUG_ON((int)GUC_LFD_TYPE_TSC_FREQUENCY != (int)GUC_LOG_LIC_TYPE_TSC_FREQUENCY); + BUILD_BUG_ON((int)GUC_LFD_TYPE_GMD_ID != (int)GUC_LOG_LIC_TYPE_GMD_ID); + BUILD_BUG_ON((int)GUC_LFD_TYPE_BUILD_PLATFORM_ID != + (int)GUC_LOG_LIC_TYPE_BUILD_PLATFORM_ID); + + return xe_guc_log_add_typed_payload(buf, size, lic_type, sizeof(u32), + &config->KLV[lic_type_to_KLV_index(lic_type)]); +} + +static void xe_guc_log_loop_log_init(struct guc_log_init_config_t *init, + struct guc_log_init_config_save_t *config) +{ + int i; + struct guc_klv_generic_t *p = (struct guc_klv_generic_t *)init->lic_data; + + memset(entry_list, 0, sizeof(entry_list)); + + for (i = 0; i < init->lic_dw_size;) { + if (p->key < GUC_LOG_LIC_TYPE_GUC_SW_VERSION || p->key >= GUC_LOG_LIC_TYPE_LAST) + break; + config->KLV[lic_type_to_KLV_index(p->key)] = p->value[0]; + i += p->length + 1; /* +1DW to include kev(u16) and len(u16) */ + p = (struct guc_klv_generic_t *)((u32 *)p + p->length + 1); + } +} + +static void xe_guc_log_load_log_buffer(u32 *guc_log, int len, + struct guc_log_init_config_save_t *config) +{ + int i = 0; + u32 offset = GUC_LOG_BUFFER_STATE_HEADER_LENGTH; + struct guc_log_buffer_state *p = (struct guc_log_buffer_state *)guc_log; + + while (p) { + for (i = 0; i < GUC_LOG_BUFFER_STATE_HEADER_ENTRY_COUNT; i++) { + if (p->marker[0] == entry_markers[i].key[0] && + p->marker[1] == entry_markers[i].key[1]) { + entry_list[i].offset = offset; + entry_list[i].rd_ptr = p->read_ptr; + entry_list[i].wr_ptr = p->write_ptr; + entry_list[i].buf_size = p->size; + + if (i == GUC_LOG_BUFFER_STATE_HEADER_ENTRY_LOG) + config->log_buf_state = *p; + + if (i != GUC_LOG_BUFFER_STATE_HEADER_ENTRY_INIT) { + offset += p->size; + p++; + } else { + /* Load log init config */ + xe_guc_log_loop_log_init((struct guc_log_init_config_t *)p, + config); + + /* Init config is the last */ + return; + } + } + } + if (i >= GUC_LOG_BUFFER_STATE_HEADER_ENTRY_COUNT) + break; + } +} + +static uint xe_guc_log_save_to_lfd_buf(char *buf, int size, u32 *guc_log_bin, + struct xe_guc_log *log, + struct guc_log_init_config_save_t *config) +{ + int index = 0, len = 0; + char *bin = (char *)guc_log_bin; + struct guc_logfile_t *guc_logfile; + + if (size < sizeof(struct guc_logfile_t)) + return -ENOMEM; + + guc_logfile = (struct guc_logfile_t *)buf; + *guc_logfile = default_guc_logfile; + index = offsetof(struct guc_logfile_t, lfd_stream); + + len = xe_guc_log_add_klv(&buf[index], size - index, GUC_LFD_TYPE_FW_VERSION, config); + if (len < 0) + return len; + index += len; + + len = xe_guc_log_add_klv(&buf[index], size - index, GUC_LFD_TYPE_GUC_DEVICE_ID, config); + if (len < 0) + return len; + index += len; + + len = xe_guc_log_add_klv(&buf[index], size - index, GUC_LFD_TYPE_TSC_FREQUENCY, config); + if (len < 0) + return len; + index += len; + + len = xe_guc_log_add_klv(&buf[index], size - index, GUC_LOG_LIC_TYPE_GMD_ID, config); + if (len < 0) + return len; + index += len; + + len = xe_guc_log_add_klv(&buf[index], size - index, GUC_LOG_LIC_TYPE_BUILD_PLATFORM_ID, + config); + if (len < 0) + return len; + index += len; + + len = xe_guc_log_add_os_id(&buf[index], size - index, GUC_LFD_OS_TYPE_OSID_LIN); + if (len < 0) + return len; + index += len; + + len = xe_guc_log_add_log_event(&buf[index], size - index, bin, config); + if (len < 0) + return len; + index += len; + + return index; +} + +static void +xe_guc_log_snapshot_print_lfd(struct xe_guc_log_snapshot *snapshot, struct drm_printer *p, + struct xe_guc_log *log) +{ + size_t remain; + int i; + struct guc_log_init_config_save_t init_config; + + if (!snapshot) + return; + + remain = snapshot->size; + for (i = 0; i < snapshot->num_chunks; i++) { + int len = 0; + size_t size = min(GUC_LOG_CHUNK_SIZE, remain); + char *lfd_buf = kzalloc(size, GFP_KERNEL); + + /* load from log bin */ + xe_guc_log_load_log_buffer(snapshot->copy[i], size, &init_config); + /* Conver to LFD format */ + len = xe_guc_log_save_to_lfd_buf(lfd_buf, size, snapshot->copy[i], log, + &init_config); + if (len > 0) + xe_print_blob_ascii85(p, "[LOG].data", 0, lfd_buf, 0, len); + kfree(lfd_buf); + XE_WARN_ON(len <= 0); + + remain -= size; + } +} + /** * xe_guc_log_print_dmesg - dump a copy of the GuC log to dmesg * @log: GuC log structure @@ -251,6 +605,20 @@ void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p) xe_guc_log_snapshot_free(snapshot); } +/** + * xe_guc_log_print_lfd - dump a copy of the GuC log to some useful location + * @log: GuC log structure + * @p: the printer object to output to + */ +void xe_guc_log_print_lfd(struct xe_guc_log *log, struct drm_printer *p) +{ + struct xe_guc_log_snapshot *snapshot; + + snapshot = xe_guc_log_snapshot_capture(log, false); + xe_guc_log_snapshot_print_lfd(snapshot, p, log); + xe_guc_log_snapshot_free(snapshot); +} + int xe_guc_log_init(struct xe_guc_log *log) { struct xe_device *xe = log_to_xe(log); diff --git a/drivers/gpu/drm/xe/xe_guc_log.h b/drivers/gpu/drm/xe/xe_guc_log.h index 5b896f5fafaf..37ff4d11e6cf 100644 --- a/drivers/gpu/drm/xe/xe_guc_log.h +++ b/drivers/gpu/drm/xe/xe_guc_log.h @@ -40,6 +40,7 @@ struct xe_device; int xe_guc_log_init(struct xe_guc_log *log); void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p); +void xe_guc_log_print_lfd(struct xe_guc_log *log, struct drm_printer *p); void xe_guc_log_print_dmesg(struct xe_guc_log *log); struct xe_guc_log_snapshot *xe_guc_log_snapshot_capture(struct xe_guc_log *log, bool atomic); void xe_guc_log_snapshot_print(struct xe_guc_log_snapshot *snapshot, struct drm_printer *p); -- 2.34.1