From patchwork Fri Apr 11 12:59:53 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: oscar.mateo@intel.com X-Patchwork-Id: 3968311 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 527F39F336 for ; Fri, 11 Apr 2014 13:05:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 52DD8207D3 for ; Fri, 11 Apr 2014 13:05:13 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 1A8C5207CF for ; Fri, 11 Apr 2014 13:05:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 603D46E396; Fri, 11 Apr 2014 06:05:11 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 2CD976E396 for ; Fri, 11 Apr 2014 06:05:10 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 11 Apr 2014 06:04:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,842,1389772800"; d="scan'208";a="518922050" Received: from omateolo-linux2.iwi.intel.com ([172.28.253.43]) by fmsmga002.fm.intel.com with ESMTP; 11 Apr 2014 06:04:44 -0700 From: oscar.mateo@intel.com To: intel-gfx@lists.freedesktop.org Date: Fri, 11 Apr 2014 13:59:53 +0100 Message-Id: <1397221193-12278-1-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] tests/gem_error_capture: Initial testcase for error state capture/dump X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Oscar Mateo Signed-off-by: Oscar Mateo --- tests/.gitignore | 1 + tests/Makefile.sources | 1 + tests/gem_error_capture.c | 230 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 232 insertions(+) create mode 100644 tests/gem_error_capture.c diff --git a/tests/.gitignore b/tests/.gitignore index 146bab0..945574c 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -27,6 +27,7 @@ gem_ctx_create gem_ctx_exec gem_double_irq_loop gem_dummy_reloc_loop +gem_error_capture gem_evict_alignment gem_evict_everything gem_exec_bad_domains diff --git a/tests/Makefile.sources b/tests/Makefile.sources index bf02a48..612beb6 100644 --- a/tests/Makefile.sources +++ b/tests/Makefile.sources @@ -24,6 +24,7 @@ TESTS_progs_M = \ gem_ctx_bad_exec \ gem_ctx_exec \ gem_dummy_reloc_loop \ + gem_error_capture \ gem_evict_alignment \ gem_evict_everything \ gem_exec_bad_domains \ diff --git a/tests/gem_error_capture.c b/tests/gem_error_capture.c new file mode 100644 index 0000000..bbf0f5d --- /dev/null +++ b/tests/gem_error_capture.c @@ -0,0 +1,230 @@ +/* + * Copyright © 2014 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Oscar Mateo + * + */ + +/* + * Testcase: Check whether basic error state capture/dump mechanism is correctly + * working for all rings. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "ioctl_wrappers.h" +#include "drmtest.h" +#include "intel_io.h" +#include "igt_debugfs.h" + +#define MAGIC_NUMBER 0x10001 +uint32_t batch[4] = {MI_NOOP, MI_BATCH_BUFFER_END, MAGIC_NUMBER, MAGIC_NUMBER}; + +static void stop_rings(void) +{ + int fd; + static const char buf[] = "0xf"; + + fd = igt_debugfs_open("i915_ring_stop", O_WRONLY); + igt_assert(fd >= 0); + + igt_assert(write(fd, buf, sizeof(buf)) == sizeof(buf)); + + close(fd); +} + +static bool rings_stopped(void) +{ + int fd; + static char buf[128]; + unsigned long long val; + + fd = igt_debugfs_open("i915_ring_stop", O_RDONLY); + igt_assert(fd >= 0); + + igt_assert(read(fd, buf, sizeof(buf)) > 0); + close(fd); + + sscanf(buf, "%llx", &val); + + return (bool)val; +} + +static void clear_error_state(void) +{ + int fd; + static const char buf[] = ""; + + fd = igt_debugfs_open("i915_error_state", O_WRONLY); + igt_assert(fd >= 0); + + igt_assert(write(fd, buf, sizeof(buf)) == sizeof(buf)); + close(fd); +} + +static void check_bb_contents(char **line, size_t *line_size, + FILE *file, int pos, uint32_t expected_value) +{ + char expected_line[32]; + + igt_assert(getline(line, line_size, file) > 0); + + snprintf(expected_line, sizeof(expected_line), "%08x : %08x", + 4*pos, expected_value); + + igt_assert(strstr(*line, expected_line)); +} + +static void check_error_state(const char *expected_ring_name, + uint64_t expected_offset) +{ + FILE *file; + int debug_fd; + char *line = NULL; + size_t line_size; + char *dashes = NULL; + char *ring_name = NULL; + uint32_t gtt_offset = 0; + bool matched; + int i; + + debug_fd = igt_debugfs_open("i915_error_state", O_RDONLY); + igt_assert(debug_fd >= 0); + file = fdopen(debug_fd, "r"); + + while (getline(&line, &line_size, file) > 0) { + dashes = strstr(line, "---"); + if (dashes) { + ring_name = realloc(ring_name, dashes - line); + strncpy(ring_name, line, dashes - line); + ring_name[dashes - line - 1] = '\0'; + + matched = sscanf(dashes, "--- gtt_offset = 0x%08x\n", + >t_offset); + if (matched) { + igt_assert(strstr(ring_name, expected_ring_name)); + igt_assert(gtt_offset == expected_offset); + + for (i = 0; i < sizeof(batch) / 4; i++) + check_bb_contents(&line, &line_size, + file, i, batch[i]); + + break; + } + } + } + + igt_assert(matched); + + free(line); + free(ring_name); + + close(debug_fd); +} + +static void test(int fd, uint32_t handle, unsigned ring_id, const char *ring_name) +{ + struct drm_i915_gem_execbuffer2 execbuf; + struct drm_i915_gem_exec_object2 exec; + uint64_t presumed_offset; + + gem_require_ring(fd, ring_id); + + clear_error_state(); + + exec.handle = handle; + exec.relocation_count = 0; + exec.relocs_ptr = 0; + exec.alignment = 0; + exec.offset = 0; + exec.flags = 0; + exec.rsvd1 = 0; + exec.rsvd2 = 0; + + execbuf.buffers_ptr = (uintptr_t)&exec; + execbuf.buffer_count = 1; + execbuf.batch_start_offset = 0; + execbuf.batch_len = 16; + execbuf.cliprects_ptr = 0; + execbuf.num_cliprects = 0; + execbuf.DR1 = 0; + execbuf.DR4 = 0; + execbuf.flags = ring_id; + i915_execbuffer2_set_context_id(execbuf, 0); + execbuf.rsvd2 = 0; + + gem_execbuf(fd, &execbuf); + gem_sync(fd, handle); + + presumed_offset = exec.offset; + + stop_rings(); + + gem_execbuf(fd, &execbuf); + gem_sync(fd, handle); + + igt_assert(rings_stopped() == false); + igt_assert(presumed_offset == exec.offset); + + check_error_state(ring_name, exec.offset); +} + +uint32_t handle; +int fd; + +igt_main +{ + igt_fixture { + fd = drm_open_any(); + + handle = gem_create(fd, 4096); + gem_write(fd, handle, 0, batch, sizeof(batch)); + } + + igt_subtest("render") + test(fd, handle, I915_EXEC_RENDER, "render ring"); + + igt_subtest("bsd") + test(fd, handle, I915_EXEC_BSD, "bsd ring"); + + igt_subtest("blt") + test(fd, handle, I915_EXEC_BLT, "blitter ring"); + + igt_subtest("vebox") + test(fd, handle, I915_EXEC_VEBOX, "video enhancement ring"); + + igt_fixture { + gem_close(fd, handle); + + close(fd); + } +}