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 BA81FD2CDFD for ; Tue, 22 Oct 2024 16:33:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 76FA210E6C6; Tue, 22 Oct 2024 16:33:33 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ePbjIT++"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 892AD10E6C4 for ; Tue, 22 Oct 2024 16:33:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729614812; x=1761150812; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XHKFwWeJbu7QcuR4Luyp8ohr2YW++/Ze5frcCIp0B98=; b=ePbjIT++L7i7UymHeXsEOmKvY8sGQFrrlHjiKM9AA4/+S5LVq8QNq3Uy mHEh6oUw27psDlO+ThFNmeIv/Z5mNcLRzHBhZUbpffj2FBJvl/5lpqBUB 5/YVU9NxaSdPD5gFWezx3SBRYbIT4BCCPTuiNE/tEpYXMr2LSOgHCKIt3 p93FXA9YkJ4PHKKWP+WWieExoETkOz5iqTByqrZ7kBzW8+sowlF6ealgn pp5aOF7nxLO1MeBMSDNZ9iS3Llg2ELkUPJxXp1IA2TmEqwtVzvdQhzMvE /TCuE73d8tZyFkukXVRZJavqAFPziBog6vg8n8Z6+0wGzVRG3VNdwieCo A==; X-CSE-ConnectionGUID: t4M8EgqNS+i/7GOyAuoJTQ== X-CSE-MsgGUID: 3NGnqDTCRyCHXczUDIBDuQ== X-IronPort-AV: E=McAfee;i="6700,10204,11233"; a="40558843" X-IronPort-AV: E=Sophos;i="6.11,223,1725346800"; d="scan'208";a="40558843" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2024 09:33:32 -0700 X-CSE-ConnectionGUID: skyxM/HyTa6mDvLdZhSrQg== X-CSE-MsgGUID: kBcS81DiSr+IjF7xLEI+ew== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,223,1725346800"; d="scan'208";a="79936239" Received: from guc-pnp-dev-box-1.fm.intel.com ([10.1.27.7]) by fmviesa009.fm.intel.com with ESMTP; 22 Oct 2024 09:33:27 -0700 From: Zhanjun Dong To: igt-dev@lists.freedesktop.org Cc: Zhanjun Dong Subject: [PATCH i-g-t v4 1/1] tests/intel/xe_exec_capture: Add xe_exec_capture test Date: Tue, 22 Oct 2024 09:33:24 -0700 Message-Id: <20241022163324.383145-2-zhanjun.dong@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241022163324.383145-1-zhanjun.dong@intel.com> References: <20241022163324.383145-1-zhanjun.dong@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Test with GuC reset, check if devcoredump register dump is within the range. Signed-off-by: Zhanjun Dong --- tests/intel/xe_exec_capture.c | 365 ++++++++++++++++++++++++++++++++++ tests/meson.build | 1 + 2 files changed, 366 insertions(+) create mode 100644 tests/intel/xe_exec_capture.c diff --git a/tests/intel/xe_exec_capture.c b/tests/intel/xe_exec_capture.c new file mode 100644 index 000000000..3a8fa68f2 --- /dev/null +++ b/tests/intel/xe_exec_capture.c @@ -0,0 +1,365 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2024 Intel Corporation + */ + +/** + * TEST: Basic tests for GuC based register capture + * Category: Core + * Mega feature: General Core features + * Sub-category: CMD submission + * Functionality: Debug + * Test category: functionality test + */ + +#include +#include +#include +#include + +#include "igt.h" +#include "igt_device.h" +#include "lib/igt_syncobj.h" +#include "lib/intel_reg.h" +#include "xe_drm.h" +#include "xe/xe_ioctl.h" +#include "xe/xe_query.h" +#include "xe/xe_spin.h" + +#define MAX_N_EXECQUEUES 16 +#define MAX_INSTANCE 9 +#define GT_RESET (0x1 << 0) +#define CLOSE_FD (0x1 << 1) +#define CLOSE_EXEC_QUEUES (0x1 << 2) +#define VIRTUAL (0x1 << 3) +#define PARALLEL (0x1 << 4) +#define CAT_ERROR (0x1 << 5) + +#define BASE_ADDRESS 0x1a0000 +/* Batch buffer element count, in number of dwords(uint32_t) */ +#define BATCH_DW_COUNT 16 + +#define MAX_PATH_NAME_LEN 512 +#define MAX_LINES 4096 +/* Keep line content up to this length */ +#define MAX_LINE_LEN 1024 +#define MAIN_BUF_SIZE (MAX_LINES * MAX_LINE_LEN * sizeof(char)) +/* Buffer size to read a line */ +#define LINE_BUF_SIZE (64 * 1024) + +#define DUMP_PATH "/sys/class/drm/card%d/device/devcoredump/data" +#define START_TAG "**** Job ****" +#define REGEX_KEY_VALUE_PAIR "^[ \t]*([^:]+):[ \t]*([^ \t]+)[ \t]*$" +#define REGEX_KEY_INDEX 1 +#define REGEX_VALUE_INDEX 2 +#define REGEX_KEY_VALUE_GROUP_COUNT 3 + +static void +test_legacy_mode(int fd, struct drm_xe_engine_class_instance *eci, + int n_exec_queues, int n_execs, unsigned int flags) +{ + uint32_t vm; + const uint64_t addr = BASE_ADDRESS; + struct drm_xe_sync sync[2] = { + { .type = DRM_XE_SYNC_TYPE_SYNCOBJ, .flags = DRM_XE_SYNC_FLAG_SIGNAL, }, + { .type = DRM_XE_SYNC_TYPE_SYNCOBJ, .flags = DRM_XE_SYNC_FLAG_SIGNAL, }, + }; + struct drm_xe_exec exec = { + .num_batch_buffer = 1, + .num_syncs = 2, + .syncs = to_user_pointer(sync), + }; + uint32_t exec_queues[MAX_N_EXECQUEUES]; + uint32_t syncobjs[MAX_N_EXECQUEUES]; + size_t bo_size; + uint32_t bo = 0; + struct { + struct xe_spin spin; + uint32_t batch[BATCH_DW_COUNT]; + uint64_t pad; + uint32_t data; + } *data; + struct xe_spin_opts spin_opts = { .preempt = false }; + int i, b; + + igt_assert(n_exec_queues <= MAX_N_EXECQUEUES); + + vm = xe_vm_create(fd, 0, 0); + bo_size = sizeof(*data) * n_execs; + bo_size = xe_bb_size(fd, bo_size); + + bo = xe_bo_create(fd, vm, bo_size, + vram_if_possible(fd, eci->gt_id), + DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM); + data = xe_bo_map(fd, bo, bo_size); + + for (i = 0; i < n_exec_queues; i++) { + exec_queues[i] = xe_exec_queue_create(fd, vm, eci, 0); + syncobjs[i] = syncobj_create(fd, 0); + }; + + sync[0].handle = syncobj_create(fd, 0); + xe_vm_bind_async(fd, vm, 0, bo, 0, addr, bo_size, sync, 1); + + for (i = 0; i < n_execs; i++) { + uint64_t base_addr = addr; + uint64_t batch_offset = (char *)&data[i].batch - (char *)data; + uint64_t batch_addr = base_addr + batch_offset; + uint64_t spin_offset = (char *)&data[i].spin - (char *)data; + uint64_t sdi_offset = (char *)&data[i].data - (char *)data; + uint64_t sdi_addr = base_addr + sdi_offset; + uint64_t exec_addr; + int e = i % n_exec_queues; + + if (!i) { + spin_opts.addr = base_addr + spin_offset; + xe_spin_init(&data[i].spin, &spin_opts); + exec_addr = spin_opts.addr; + } else { + b = 0; + data[i].batch[b++] = MI_STORE_DWORD_IMM_GEN4; + data[i].batch[b++] = sdi_addr; + data[i].batch[b++] = sdi_addr >> 32; + data[i].batch[b++] = 0xc0ffee; + data[i].batch[b++] = MI_BATCH_BUFFER_END; + igt_assert(b <= ARRAY_SIZE(data[i].batch)); + + exec_addr = batch_addr; + } + + sync[0].flags &= ~DRM_XE_SYNC_FLAG_SIGNAL; + sync[1].flags |= DRM_XE_SYNC_FLAG_SIGNAL; + sync[1].handle = syncobjs[e]; + + exec.exec_queue_id = exec_queues[e]; + exec.address = exec_addr; + if (e != i) + syncobj_reset(fd, &syncobjs[e], 1); + xe_exec(fd, &exec); + } + + for (i = 0; i < n_exec_queues && n_execs; i++) + igt_assert(syncobj_wait(fd, &syncobjs[i], 1, INT64_MAX, 0, + NULL)); + igt_assert(syncobj_wait(fd, &sync[0].handle, 1, INT64_MAX, 0, NULL)); + + sync[0].flags |= DRM_XE_SYNC_FLAG_SIGNAL; + xe_vm_unbind_async(fd, vm, 0, 0, addr, bo_size, sync, 1); + igt_assert(syncobj_wait(fd, &sync[0].handle, 1, INT64_MAX, 0, NULL)); + + syncobj_destroy(fd, sync[0].handle); + for (i = 0; i < n_exec_queues; i++) { + syncobj_destroy(fd, syncobjs[i]); + xe_exec_queue_destroy(fd, exec_queues[i]); + } + + munmap(data, bo_size); + gem_close(fd, bo); + xe_vm_destroy(fd, vm); +} + +static char **alloc_lines_buffer(void) +{ + int i; + char **lines = (char **)malloc(MAX_LINES * sizeof(char *)); + char *main_buf = (char *)malloc(MAIN_BUF_SIZE); + + igt_assert_f(lines, "Out of memory.\n"); + igt_assert_f(main_buf, "Out of memory.\n"); + + /* set string array pointers */ + for (i = 0; i < MAX_LINES; i++) + lines[i] = main_buf + i * MAX_LINE_LEN; + + return lines; +} + +static char *get_devcoredump_path(int card_id, char *buf) +{ + sprintf(buf, DUMP_PATH, card_id); + return buf; +} + +static void load_all(FILE *fd, char **lines, char *buf) +{ + int i = 0; + + memset(lines[0], 0, MAIN_BUF_SIZE); + while (!feof(fd) && i < MAX_LINES) { + /* + * Devcoredump might have long lines, load up to + * LINE_BUF_SIZE for a single line, buffer reused + */ + fgets(buf, LINE_BUF_SIZE, fd); + /* Only save up to MAX_LINE_LEN to buffer */ + strncpy(lines[i++], buf, MAX_LINE_LEN); + } +} + +static bool access_devcoredump(char *path, char **lines, char *line_buf) +{ + FILE *fd = fopen(path, "r"); + + if (!fd) + return false; + + igt_debug("Devcoredump found: %s\n", path); + + /* Clear memory before load file */ + if (lines) + load_all(fd, lines, line_buf); + + fclose(fd); + return true; +} + +static bool rm_devcoredump(char *path) +{ + int fd = open(path, O_WRONLY); + + if (fd != -1) { + igt_debug("Clearing devcoredump.\n"); + write(fd, "0", 1); + close(fd); + return true; + } + + return false; +} + +static char *get_coredump_item(regex_t *regex, char **lines, const char *tag) +{ + int i; + regmatch_t match[REGEX_KEY_VALUE_GROUP_COUNT]; + + for (i = 0; i < MAX_LINES; i++) { + char *line = lines[i]; + + /* Skip lines without tag */ + if (!strstr(line, tag)) + continue; + + if (regexec(regex, line, REGEX_KEY_VALUE_GROUP_COUNT, match, 0) == 0) { + char *key, *value; + + key = &line[match[REGEX_KEY_INDEX].rm_so]; + line[match[REGEX_KEY_INDEX].rm_eo] = '\0'; + value = &line[match[REGEX_VALUE_INDEX].rm_so]; + line[match[REGEX_VALUE_INDEX].rm_eo] = '\0'; + + if (strcmp(tag, key) == 0) + return value; + /* if key != tag, keep searching and loop to next line */ + } + } + + return NULL; +} + +static void check_item_u64(regex_t *regex, char **lines, const char *tag, uint64_t addr_lo, + uint64_t addr_hi) +{ + uint64_t result; + char *output; + + igt_assert_f(output = get_coredump_item(regex, lines, tag), "Target not found:%s", tag); + result = strtoul(output, NULL, 16); + igt_debug("Compare %s: %s vs [0x%lX-0x%lX]\n", tag, output, addr_lo, addr_hi); + igt_assert_f((addr_lo <= result) && (result <= addr_hi), + "value %lX out of range[0x%lX-0x%lX]\n", result, addr_lo, addr_hi); +} + +static void check_item_str(regex_t *regex, char **lines, const char *tag, const char *target) +{ + char *output; + + igt_assert_f(output = get_coredump_item(regex, lines, tag), "Target not found:%s", tag); + igt_debug("Compare %s: %s vs %s\n", tag, output, target); + igt_assert_f(!strcmp(output, target), "Expected value:%s, received:%s\n", target, output); +} + +static void check_capture_out(regex_t *regex, char **lines) +{ + check_item_str(regex, lines, "Capture_source", "GuC"); + check_item_u64(regex, lines, "ACTHD", BASE_ADDRESS, + BASE_ADDRESS + BATCH_DW_COUNT * sizeof(uint32_t)); + check_item_u64(regex, lines, "RING_BBADDR", BASE_ADDRESS, + BASE_ADDRESS + BATCH_DW_COUNT * sizeof(uint32_t)); +} + +/** + * SUBTEST: reset + * Description: Reset GuC, check devcoredump output values + */ +static void test_card(int fd) +{ + struct drm_xe_engine_class_instance *hwe; + regex_t regex; + char **lines; + char *single_line_buf = (char *)malloc(LINE_BUF_SIZE); + char path[MAX_PATH_NAME_LEN]; + + igt_assert_f(single_line_buf, "Out of memory.\n"); + + regcomp(®ex, REGEX_KEY_VALUE_PAIR, REG_EXTENDED | REG_NEWLINE); + get_devcoredump_path(igt_device_get_card_index(fd), path); + lines = alloc_lines_buffer(); + + /* clear old devcoredump, if any */ + rm_devcoredump(path); + + xe_for_each_engine(fd, hwe) { + igt_debug("Running on engine class: %x instance: %x\n", hwe->engine_class, + hwe->engine_instance); + test_legacy_mode(fd, hwe, 1, 1, 0); + + /* assert devcoredump created */ + igt_assert_f(access_devcoredump(path, lines, single_line_buf), + "Devcoredump not exist, errno=%d.\n", errno); + + check_capture_out(®ex, lines); + + /* clear devcoredump */ + rm_devcoredump(path); + sleep(1); + /* Assert devcoredump removed */ + igt_assert_f(!access_devcoredump(path, NULL, NULL), "Devcoredump not removed\n"); + } + /* Free lines buffer */ + free(lines); + free(single_line_buf); + regfree(®ex); +} + +igt_main +{ + int xe; + + igt_fixture + xe = drm_open_driver(DRIVER_XE); + + igt_subtest("reset") { + int gpu_count = drm_prepare_filtered_multigpu(DRIVER_XE); + + igt_require(xe > 0); + if (gpu_count >= 2) { + igt_multi_fork(child, gpu_count) { + int gpu_fd; + + gpu_fd = drm_open_filtered_card(child); + igt_assert_f(gpu_fd > 0, "cannot open gpu-%d, errno=%d\n", child, + errno); + igt_assert(is_xe_device(gpu_fd)); + + test_card(gpu_fd); + drm_close_driver(gpu_fd); + } + igt_waitchildren(); + } else { + test_card(xe); + } + } + + igt_fixture + drm_close_driver(xe); +} diff --git a/tests/meson.build b/tests/meson.build index 2d8cb87d5..b724a7c6d 100644 --- a/tests/meson.build +++ b/tests/meson.build @@ -284,6 +284,7 @@ intel_xe_progs = [ 'xe_exec_atomic', 'xe_exec_balancer', 'xe_exec_basic', + 'xe_exec_capture', 'xe_exec_compute_mode', 'xe_exec_fault_mode', 'xe_exec_mix_modes', -- 2.34.1