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 D909AC02198 for ; Fri, 14 Feb 2025 21:43:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8C70210ED46; Fri, 14 Feb 2025 21:43:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="bwW+knrH"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 190EF10E37B for ; Fri, 14 Feb 2025 21:43:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739569421; x=1771105421; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=9FP/M69AsXHT60kGv8PIdMMFCdKNj6dZ/zJWLqGT26c=; b=bwW+knrHHR3MQclfpcrvIgLYGbOV3JVjg3vBlbOgKjZ6opt252n2jN30 Fm0PWqllAQdkJTQBjpetQx0kwiHh3Gd4qaBa6uag5GF6C/baF4AwlZcHR LfoJHPS78RMzzDSZnW28PezWG6xfFgtzGijE1MeGhc9bcP98QRHmTPS8d ybNJ5Qq9XTJVni/gfkU9XXefaTr2TXPOR9Gf7V8drrCQ0VVqSbPjui4Ed K84gc4VbQpX3pHn66jJRdPN30BHCuRowzWoEt1m0GZjOpebLxg3xX7xaG ESTULU8VSBd3itrABMskuWdTpcv8YTqUWJhy4Stv/n8F+9InWp3ve7U0b g==; X-CSE-ConnectionGUID: gTnjdKwzQrypRoVh2zdJQQ== X-CSE-MsgGUID: CTSYIi7PS92uHTmns21k1w== X-IronPort-AV: E=McAfee;i="6700,10204,11314"; a="40449643" X-IronPort-AV: E=Sophos;i="6.12,310,1728975600"; d="scan'208";a="40449643" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Feb 2025 13:43:41 -0800 X-CSE-ConnectionGUID: NbxxkcgLSl6Yc15V3uF41w== X-CSE-MsgGUID: cl7PuY7zRKu8HlcN3rj4nw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="144489057" Received: from szeng-desk.jf.intel.com ([10.165.21.160]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Feb 2025 13:43:41 -0800 From: Oak Zeng To: igt-dev@lists.freedesktop.org Cc: Thomas.Hellstrom@linux.intel.com, matthew.brost@intel.com, kamil.konieczny@intel.com, zbigniew.kempczynski@intel.com, ashutosh.dixit@intel.com, juha-pekka.heikkila@intel.com, rodrigo.vivi@intel.com Subject: [i-g-t v2 4/4] tests/intel/xe_exec_fault_mode: Test scratch page under fault mode Date: Fri, 14 Feb 2025 16:59:20 -0500 Message-Id: <20250214215920.282425-5-oak.zeng@intel.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20250214215920.282425-1-oak.zeng@intel.com> References: <20250214215920.282425-1-oak.zeng@intel.com> MIME-Version: 1.0 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" On certain HW (such as lunarlake and battlemage), driver now allows scratch page be enabled under fault mode. Test this functionality Signed-off-by: Oak Zeng --- tests/intel/xe_exec_fault_mode.c | 64 ++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/tests/intel/xe_exec_fault_mode.c b/tests/intel/xe_exec_fault_mode.c index ae40e099b..f0d508f6c 100644 --- a/tests/intel/xe_exec_fault_mode.c +++ b/tests/intel/xe_exec_fault_mode.c @@ -17,6 +17,7 @@ #include "igt.h" #include "lib/igt_syncobj.h" #include "lib/intel_reg.h" +#include "lib/xe/xe_util.h" #include "xe_drm.h" #include "xe/xe_ioctl.h" @@ -36,6 +37,60 @@ #define INVALID_VA (0x1 << 8) #define ENABLE_SCRATCH (0x1 << 9) + +/** + * SUBTEST: scratch-fault + * Description: Test scratch page functionality + * Test category: functionality test + */ +static void test_scratch(int fd, struct drm_xe_engine_class_instance *eci) +{ + size_t bb_size = xe_bb_size(fd, PAGE_ALIGN_UFENCE); + uint32_t vm; + + struct xe_buffer dst_buf = { + .fd = fd, + .size = bb_size, + .gpu_addr = 0x1a0000, + .placement = vram_if_possible(fd, eci->gt_id), + .flag = DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM, + }; + + struct xe_buffer cmd_buf = { + .fd = fd, + .size = bb_size, + .gpu_addr = 0x10a0000, + .placement = vram_if_possible(fd, eci->gt_id), + .flag = DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM, + }; + + vm = xe_vm_create(fd, DRM_XE_VM_CREATE_FLAG_LR_MODE | + DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE | + DRM_XE_VM_CREATE_FLAG_FAULT_MODE, 0); + + dst_buf.vm = vm; + cmd_buf.vm = vm; + /* Submit a command to write 0x1a0000 + * Since 0x1a0000 is mapped scratch page, cmd execution should still + * be successful. Write is either be dropped by HW (NULL PTE case) or + * written to scratch page. + */ + xe_create_cmdbuf(&cmd_buf, xe_insert_store, dst_buf.gpu_addr, 0xc0ffee, eci); + xe_submit_cmd(&cmd_buf); + + /* Create a buffer object, vm_bind it to 0x1a0000, then re-submit + * the command buffer. This should write to the buffer object. + * Check the buffer object to see if the write was successful. + */ + xe_create_buffer(&dst_buf); + xe_submit_cmd(&cmd_buf); + igt_assert_eq(*(uint64_t *)dst_buf.cpu_addr, 0xc0ffee); + + xe_destroy_cmdbuf(&cmd_buf); + xe_destroy_buffer(&dst_buf); + xe_vm_destroy(fd, vm); +} + /** * SUBTEST: invalid-va * Description: Access invalid va and check for EIO through user fence. @@ -458,6 +513,7 @@ igt_main { NULL }, }; int fd; + uint32_t dev_id; igt_fixture { struct timespec tv = {}; @@ -466,6 +522,7 @@ igt_main int timeout = igt_run_in_simulation() ? 20 : 2; fd = drm_open_driver(DRIVER_XE); + dev_id = intel_get_drm_devid(fd); do { if (ret) usleep(5000); @@ -508,6 +565,13 @@ igt_main xe_for_each_engine(fd, hwe) test_exec(fd, hwe, 1, 1, ENABLE_SCRATCH | INVALID_VA); + igt_describe("Check if scratch page works under fault mode"); + igt_subtest("scratch-fault") { + igt_skip_on(!IS_LUNARLAKE(dev_id) && !IS_BATTLEMAGE(dev_id)); + xe_for_each_engine(fd, hwe) + test_scratch(fd, hwe); + } + igt_fixture { drm_close_driver(fd); } -- 2.26.3