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 B52ABC28B30 for ; Thu, 20 Mar 2025 15:03:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4A80210E09B; Thu, 20 Mar 2025 15:03:27 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Za1se5MN"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 839B410E09B for ; Thu, 20 Mar 2025 15:03:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1742483005; x=1774019005; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=9Ch0lSyEKyeA90NZ9Q6VznYztR04ETulWurJtRV5TNw=; b=Za1se5MNmTH0OoNSTU9bkPy0nXtzX3VDrTuNdrXIuIGIPyRYP9pDHX3+ 9hz3m9kN+CkzQV05tkY1r0zvv3ZsF8b52V9VaL1Rov8aoHa6mYRjsdg7V ODaPy4nAJVgBfxBOKekoNXNOqvnhFu/VvP0GuLu4SnYddwHQGy2R+aY1e 8ZTjql0I2lF2IXzbuPqagSiyVsGRo2zzj1oXVzYjWSVly6KfuT0OLGIJG ndjWSdmm7iXzdy+B9w4gvzmhbMdgBWAy8UV9L+PwybTaljE3mAi/rVXcM vodguSj4sMASsGq8UEBptQpsWecGPNIrk6rok675fXIEeW8pJKmdUW7XQ A==; X-CSE-ConnectionGUID: M3izZIiDTROXvFKALHBppQ== X-CSE-MsgGUID: fUZscyqwToWW6GBXgnJNyQ== X-IronPort-AV: E=McAfee;i="6700,10204,11379"; a="54384536" X-IronPort-AV: E=Sophos;i="6.14,261,1736841600"; d="scan'208";a="54384536" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Mar 2025 08:03:22 -0700 X-CSE-ConnectionGUID: R3bJ7OepQ52yZPHM0n+txg== X-CSE-MsgGUID: o4VfTSbQRyWI7WfLb/EBGg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,262,1736841600"; d="scan'208";a="128217635" Received: from guc-pnp-dev-box-1.fm.intel.com ([10.1.27.7]) by fmviesa004.fm.intel.com with ESMTP; 20 Mar 2025 08:03:21 -0700 From: Zhanjun Dong To: intel-xe@lists.freedesktop.org Cc: Zhanjun Dong Subject: [PATCH v1] drm/xe/guc: Add LFD format output for guc log Date: Thu, 20 Mar 2025 08:03:20 -0700 Message-Id: <20250320150320.3595975-1-zhanjun.dong@intel.com> X-Mailer: git-send-email 2.34.1 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 format. Add flag of GuC crash dump received from GuC, LFD only include crash dump section when this flag is set. Reference: https://coredocs.intel.com/InterfaceDocs/sphinx/core/debug.html#streaming-log-file-format-lfds Signed-off-by: Zhanjun Dong --- drivers/gpu/drm/xe/abi/guc_log_lfd_abi.h | 494 +++++++++++++++++++++++ drivers/gpu/drm/xe/xe_guc_ct.c | 13 +- drivers/gpu/drm/xe/xe_guc_debugfs.c | 14 + drivers/gpu/drm/xe/xe_guc_log.c | 327 +++++++++++++++ drivers/gpu/drm/xe/xe_guc_log.h | 1 + drivers/gpu/drm/xe/xe_guc_log_types.h | 2 + 6 files changed, 846 insertions(+), 5 deletions(-) create mode 100644 drivers/gpu/drm/xe/abi/guc_log_lfd_abi.h 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..3e056ddc55be --- /dev/null +++ b/drivers/gpu/drm/xe/abi/guc_log_lfd_abi.h @@ -0,0 +1,494 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2025 Intel Corporation + */ + +#ifndef _INTEL_GUC_LFD_H_ +#define _INTEL_GUC_LFD_H_ + +#include + +/* 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 + +/* Magic keys define */ +#define GUC_LOGFILE_LFD_MAGIC 0x8086 +#define LFD_DRIVER_KEY_1 0X808655CC +#define LFD_DRIVER_KEY_1 0X808655CC +#define LFD_DRIVER_KEY_1V2 0X808655DD +#define LFD_DRIVER_KEY_2 0X8086EEAA +#define LFD_DRIVER_KEY_2V2 0X8086EEBB +#define LFD_DRIVER_KEY_STREAMING1 0X474C5346 +#define LFD_DRIVER_KEY_STREAMING2 0X8086AAAA +#define LFD_DRIVER_KEY_STREAMING 0X8086AAAA474C5346 +#define LFD_LOG_BUFFER_MARKER_1 0XCABBA9E5 +#define LFD_LOG_BUFFER_MARKER_2 0XDEADFEED +#define LFD_CRASH_DUMP_BUFFER_MARKER_1 0XCABBA9E5 +#define LFD_CRASH_DUMP_BUFFER_MARKER_2 0X8086DEAD +#define LFD_STATE_CAPTURE_BUFFER_MARKER_1 0XCABBA9F6 +#define LFD_STATE_CAPTURE_BUFFER_MARKER_2 0XBEEFFEED +#define LFD_LOG_BUFFER_MARKER_1V2 0XCABBA9E6 +#define LFD_CRASH_DUMP_BUFFER_MARKER_1V2 0XCABBA9E6 +#define LFD_STATE_CAPTURE_BUFFER_MARKER_1V2 0XCABBA9F7 + +#define GUC_LOG_BUFFER_STATE_HEADER_LENGTH 4096 +#define GUC_LOG_BUFFER_STATE_HEADER_ENTRY_COUNT 4 +#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_INIT_CONFIG_LIC_MAGIC 0x8086900D +#define GUC_LOG_INIT_CONFIG_FORMAT_VERSION_MAJOR 0x0001 +#define GUC_LOG_INIT_CONFIG_FORMAT_VERSION_MINOR 0x0000 + +#define GUC_LOG_EVENT_ENTRY_FORMAT_VERSION 2 + +#define LFD_MAGIC_SIM_KEY 0X900DFEED + +/* 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, + + /* 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, +}; + +/* + * Log format descriptor (LFD). A type of KLV with custom + * field-sizes + magic numbers. + */ +struct guc_logfile_lfd_t { + /* BR[15:0] Expected value: 0x8086. Helpful in detecting file errors. */ + u32 magic : 16; + + /* + * 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; + + /* Number of dwords the data field contains. */ + u32 desc_dw_size; + + /* Data defined by File descriptor type. */ + u32 data[]; +}; + +/* + * 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 { + /* + * BR[15: 0] Guc-Log-File Format minor version. + * Must be GUC_LOG_FILE_FORMAT_VERSION_MINOR + */ + u32 minor_version : 16; + + /* + * BR[31:16] Guc-Log-File Format major version. + * Must be GUC_LOG_FILE_FORMAT_VERSION_MAJOR + */ + u32 major_version : 16; +}; + +/* + * GuC Log Streaming-LFD-File Format. This structure encapsulates the layout of + * the guc-log-file format. + */ +struct guc_logfile_t { + /* + * 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 of this file format layout as per guc_logfile_fmt_ver_t. */ + struct guc_logfile_fmt_ver_t version; + + /* A stream of one or more guc_logfile_lfd_t LFD data. */ + struct guc_logfile_lfd_t lfd_stream[]; +}; + +/* This structure describes the full version of a software component. */ +struct guc_sw_version_t { + /* BR[ 7: 0] Patch version. */ + u32 patch_version : 8; + + /* BR[15: 8] Minor version. */ + u32 minor_version : 8; + + /* BR[23:16] Major version. */ + u32 major_version : 8; + + /* BR[31:24] Branch ID. */ + u32 branch_id : 8; +}; + +/* GuC FW Version. This is mandatory fw LFD data. */ +struct guc_lfd_data_fw_version_t { + /* The full version of the GuC microkernel that generated the logs. */ + struct guc_sw_version_t guc_sw_version; +}; + +/* + * Log Init Config Types. + * The first word of the each TLV payload of guc_log_init_config_t contains one + * of the following enum values. This value determines how subsequent bytes are + * parsed to obtain the TLV information. + */ +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 + * https://gfxspecs.intel.com/Predator/Home/Index/60513 for more + * details. + */ + GUC_LOG_LIC_TYPE_GUC_DEVICE_ID = 0x2, + + /* The first u32 KLV type */ + GUC_LOG_LIC_TYPE_FIRST = GUC_LOG_LIC_TYPE_GUC_DEVICE_ID, + + /* + * 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, + + /* The last LIC TYPE */ + GUC_LOG_LIC_TYPE_LAST, +}; + +/* Log Init Config: GUC software version. */ +struct guc_lic_guc_sw_version_t { + /* BR[31:16] Number of dwords in proceeding payload = 1. */ + u32 size : 16; + + /* + * BR[15: 0] Log-init-config + * TLV type enum = GUC_LOG_LIC_TYPE_GUC_SW_VERSION. + */ + u32 type : 16; + + /* 32 bit number representing the Guc’s software version. */ + struct guc_sw_version_t guc_sw_version; +}; + +/* + * 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 { + /* + * BR[15: 0] Log-Init-Config structure minor version. + * Must be GUC_LOG_FILE_FORMAT_VERSION_MINOR + */ + u32 minor_version : 16; + + /* + * BR[31:16] Log-Init-Config structure major version. + * Must be GUC_LOG_FILE_FORMAT_VERSION_MAJOR + */ + u32 major_version : 16; +}; + +/* KLV with multiple DWs in an array. */ +struct guc_klv_generic_t { + /* Length in Dwords of data. */ + u16 length; + + /* Key value. */ + u16 key; + + /* Value for this key. */ + u32 value[]; +}; + +/* + * 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 { + /* + * 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; + + /* + * The version of the this structure. + * Detail description is guc_lic_format_version_t + */ + struct guc_lic_format_version_t lic_ver; + + /* Number of Dws the lic_data array contains. */ + u32 lic_dw_size; + + /* + * Array of dwords representing a sequence of LIC TLVs types. + * See guc_log_lic_type_t enums + */ + u32 lic_data[]; +}; + +/* GuC Log entry format Version 2. */ +struct guc_log_format_version_2_t { + /* BR[31: 0] The GuC timestamp of the log event. */ + u32 timestamp : 32; + + /* BR[19: 0] The Vf ID the log entry has been generated for. */ + u32 vf_id : 20; + + /* BR[31:20] Reserved. */ + u32 reserved_1 : 12; + + /* BR[14: 0] The GuC Event ID value for the log event. */ + u32 event_id : 15; + + /* BR[15:15] Indicates if Event should be visible to Vf Host driver. */ + u32 vf_visible : 1; + + /* + * BR[17:16] This field contains the verbosity level of the log entry, + * see the Log Verbosity section. This can then be used by the PF driver + * to filter the logs copied to a VF based on the verbosity requested by + * a VF. + */ + u32 verbosity : 2; + + /* BR[31:18] Reserved. */ + u32 reserved_2 : 14; + + /* BR[31: 0] The value of Parameter 1 of the log event. */ + u32 parameter_1 : 32; + + /* BR[31: 0] The value of Parameter 2 of the log event. */ + u32 parameter_2 : 32; +}; + +/* GuC Log Buffer State. */ +struct guc_log_buffer_state_t { + /* + * A marker set by the ukernel to identify the buffer state start + * location in a binary file containing the GuC log. This is used + * by log parsing tools. The Current values are: + * + * Log buffer + * Marker[0] 0XCABBA9E6, + * Marker[1] 0XDEADFEED + * Crashdump + * Marker[0] 0XCABBA9E6, + * Marker[1] 0x8086DEAD + * Error State Capture + * Marker[0] 0XCABBA9F7, + * Marker[1] 0XBEEFFEED + * Schema + * Marker[0] 0x808655DD, + * Marker[1] 0x8086EEBB. + * Note: The schema is never written to the memory by ukernel. + * Its an optional feature for KMD to embed schema in guclog file. + */ + u32 Marker[2]; + + /* + * BR[31: 0] This is the Last Byte Offset Location that was read by + * KMD. KMD will write to this and uKernel will read this. + */ + u32 log_buf_rd_ptr : 32; + + /* + * BR[31: 0] This is the Byte Offset Location that will be written + * by uKernel. + */ + u32 log_guc_wr_ptr : 32; + + /* + * BR[31: 0] Log buffer size. + * This is written by the KMD and specifies the size of the buffer + * in bytes + */ + u32 log_buf_size : 32; + + /* + * BR[31: 0] This is written by ukernel to the byte offset of the + * next free entry in the buffer on log buffer half full or state + * capture notification. + */ + u32 sampled_log_buf_wr_ptr : 32; + + /* + * BR[31: 0] This is the byte offset of location 1 byte after last + * valid guc log event entry written by Guc firmware before there + * was a wraparound. + * This field is updated by guc firmware and should be used by Host + * when copying buffer contents to file. + */ + u32 log_guc_buff_wrap_offset : 32; + + /* + * BR[ 0: 0] uKernel sets this when log buffer is half full or when + * a flush has been requested by KMD through host2guc. + * uKernel will send GUC2HOST only if this bit is cleared. This is + * to avoid unnecessary interrupts from GuC. + */ + u32 log_buf_flush_to_file : 1; + + /* + * BR[ 4: 1] uKernel increments this when log buffer overflows. + * This is initialized to 0 by KMD. + */ + u32 buffer_full_cnt : 4; + + /* BR[31: 5] Reserved. */ + u32 reserved : 27; + + /* + * BR[31: 0] The Guc-Log-Entry format version, a single integer. + * Current version is GUC_LOG_EVENT_ENTRY_FORMAT_VERSION + */ + u32 version : 32; +}; + +/* GuC Log Events Buffer. This is optional fw LFD data. */ +struct guc_lfd_data_log_events_buf_t { + /* version of GuC log format of buffer */ + u32 log_events_format_version; + + /* + * 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[]; +}; + +/* OS Version Information. This is mandatory host LFD data. */ +struct guc_lfd_data_os_id_t { + /* + * 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; + + /* + * 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[]; +}; + +#endif diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c index 72ad576fc18e..44c11ec662e5 100644 --- a/drivers/gpu/drm/xe/xe_guc_ct.c +++ b/drivers/gpu/drm/xe/xe_guc_ct.c @@ -1127,12 +1127,15 @@ static int guc_crash_process_msg(struct xe_guc_ct *ct, u32 action) { struct xe_gt *gt = ct_to_gt(ct); - if (action == XE_GUC_ACTION_NOTIFY_CRASH_DUMP_POSTED) + if (action == XE_GUC_ACTION_NOTIFY_CRASH_DUMP_POSTED) { xe_gt_err(gt, "GuC Crash dump notification\n"); - else if (action == XE_GUC_ACTION_NOTIFY_EXCEPTION) - xe_gt_err(gt, "GuC Exception notification\n"); - else - xe_gt_err(gt, "Unknown GuC crash notification: 0x%04X\n", action); + ct_to_guc(ct)->log.crash_dumped = true; + } else { + if (action == XE_GUC_ACTION_NOTIFY_EXCEPTION) + xe_gt_err(gt, "GuC Exception notification\n"); + else + xe_gt_err(gt, "Unknown GuC crash notification: 0x%04X\n", action); + } CT_DEAD(ct, NULL, CRASH); 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..447ee3c3b713 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 + #include +#include "abi/guc_log_lfd_abi.h" #include "regs/xe_guc_regs.h" #include "xe_bo.h" #include "xe_devcoredump.h" @@ -19,6 +23,63 @@ #include "xe_mmio.h" #include "xe_module.h" +static struct guc_log_buffer_entry_list { + u32 key[2]; + u32 offset; + u32 rd_ptr; + u32 wr_ptr; + u32 buf_size; +} entry_list[GUC_LOG_BUFFER_STATE_HEADER_ENTRY_COUNT] = { + { + { + 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 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 { + struct guc_sw_version_t fw_ver; + /* + * 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_t log_buf_state; +}; + static struct xe_guc * log_to_guc(struct xe_guc_log *log) { @@ -216,6 +277,258 @@ 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 len; + + len = sizeof(default_guc_logfile_lfd); + memcpy(buf, &default_guc_logfile_lfd, len); + + return len; +} + +static int xe_guc_log_add_payload(char *buf, u32 data_len, void *data) +{ + struct guc_logfile_lfd_t *lfd = (struct guc_logfile_lfd_t *)buf; + + /* 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, u32 type, u32 data_len, void *data) +{ + int len; + struct guc_logfile_lfd_t *lfd = (struct guc_logfile_lfd_t *)buf; + + len = xe_guc_log_add_lfd_header(buf); + lfd->desc_type = type; + len += xe_guc_log_add_payload(buf, data_len, data); + + return len; +} + +static int xe_guc_log_add_os_id(char *buf, u32 id) +{ + int info_len; + int len = xe_guc_log_add_lfd_header(buf); + 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; + info_len = strlen(UTS_RELEASE) + 1; + strscpy(os_id->build_version, UTS_RELEASE, info_len); + len = xe_guc_log_add_typed_payload(buf, GUC_LFD_TYPE_OS_ID, + info_len + sizeof(*os_id), os_id); + + return len; +} + +static int +xe_guc_log_add_log_event(char *buf, 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); + 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; + memcpy(events_buf->log_format_buf, data, data_len); + } else { + /* Copy rd to buf end 1st */ + data_len = entry->buf_size - entry->rd_ptr; + memcpy(events_buf->log_format_buf, data, data_len); + + /* Copy buf start to wr */ + data = &log_bin[entry->offset]; + memcpy(&events_buf->log_format_buf[data_len / 4], data, entry->wr_ptr); + data_len += entry->wr_ptr; + } + + /* 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, u32 lic_type, struct guc_log_init_config_save_t *config) +{ + return xe_guc_log_add_typed_payload(buf, 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; + + 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; + if (p->key == GUC_LOG_LIC_TYPE_GUC_SW_VERSION) + config->fw_ver = ((struct guc_lic_guc_sw_version_t *)p)->guc_sw_version; + else + 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_t *p = (struct guc_log_buffer_state_t *)guc_log; + + while (p) { + for (i = 0; i < GUC_LOG_BUFFER_STATE_HEADER_ENTRY_COUNT; i++) { + if (p->Marker[0] == entry_list[i].key[0] && + p->Marker[1] == entry_list[i].key[1]) { + entry_list[i].offset = offset; + entry_list[i].rd_ptr = p->log_buf_rd_ptr; + entry_list[i].wr_ptr = p->log_guc_wr_ptr; + entry_list[i].buf_size = p->log_buf_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->log_buf_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, u32 *guc_log_bin, struct xe_guc_log *log, + struct guc_log_init_config_save_t *config) +{ + u32 index = 0; + char *bin = (char *)guc_log_bin; + struct guc_logfile_t *guc_logfile; + struct guc_log_buffer_entry_list *entry; + + guc_logfile = (struct guc_logfile_t *)buf; + *guc_logfile = default_guc_logfile; + + index = offsetof(struct guc_logfile_t, lfd_stream); + index += xe_guc_log_add_typed_payload(&buf[index], GUC_LFD_TYPE_FW_VERSION, + sizeof(config->fw_ver), &config->fw_ver); + index += xe_guc_log_add_klv(&buf[index], GUC_LFD_TYPE_GUC_DEVICE_ID, config); + index += xe_guc_log_add_klv(&buf[index], GUC_LFD_TYPE_TSC_FREQUENCY, config); + index += xe_guc_log_add_klv(&buf[index], GUC_LOG_LIC_TYPE_GMD_ID, config); + index += xe_guc_log_add_klv(&buf[index], GUC_LOG_LIC_TYPE_BUILD_PLATFORM_ID, config); + index += xe_guc_log_add_os_id(&buf[index], GUC_LFD_OS_TYPE_OSID_LIN); + index += xe_guc_log_add_log_event(&buf[index], bin, config); + + /* For Crash dump, rd/wr ptr has no effect, only add if crash_dumped is true */ + if (log->crash_dumped) { + entry = &entry_list[GUC_LOG_BUFFER_STATE_HEADER_ENTRY_CRASH]; + if (entry->buf_size) { + int i; + u32 *buf32 = (u32 *)&bin[entry->offset]; + + /* Is crash dump section has non zero data? */ + for (i = 0; i < entry->buf_size / 4; i++) + if (buf32[i]) + break; + /* Buffer has non-zero data */ + if (i < entry->buf_size / 4) + index += xe_guc_log_add_typed_payload(&buf[index], + GUC_LFD_TYPE_FW_CRASH_DUMP, + entry->buf_size, + &bin[entry->offset]); + /* Clear flag */ + log->crash_dumped = false; + } + } + + return index; +} + +/** + * xe_guc_log_snapshot_print - dump a previously saved copy of the GuC log to some useful location + * @snapshot: a snapshot of the GuC log + * @p: the printer object to output to + */ +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) { + drm_printf(p, "GuC log snapshot not allocated!\n"); + return; + } + + remain = snapshot->size; + for (i = 0; i < snapshot->num_chunks; i++) { + uint 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, snapshot->copy[i], log, &init_config); + + xe_print_blob_ascii85(p, "[LOG].data", 0, lfd_buf, 0, len); + kfree(lfd_buf); + + remain -= size; + } +} + /** * xe_guc_log_print_dmesg - dump a copy of the GuC log to dmesg * @log: GuC log structure @@ -251,6 +564,20 @@ 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); diff --git a/drivers/gpu/drm/xe/xe_guc_log_types.h b/drivers/gpu/drm/xe/xe_guc_log_types.h index b3d5c72ac752..d351f639727b 100644 --- a/drivers/gpu/drm/xe/xe_guc_log_types.h +++ b/drivers/gpu/drm/xe/xe_guc_log_types.h @@ -46,6 +46,8 @@ struct xe_guc_log { u32 level; /** @bo: XE BO for GuC log */ struct xe_bo *bo; + /** @crash_dumped: Indicate if crash dumped */ + bool crash_dumped; /** @stats: logging related stats */ struct { u32 sampled_overflow; -- 2.34.1