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 1EBB7C021B2 for ; Fri, 21 Feb 2025 00:26:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C43AC10E9F9; Fri, 21 Feb 2025 00:26:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Sxe3kO6G"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2481F10E9FC for ; Fri, 21 Feb 2025 00:26:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740097576; x=1771633576; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rmTDwGALo/0DvM6O8accd+UEx0Ln5/w/4yRJpPdAEWY=; b=Sxe3kO6GLGZzoGLUrTU7Dsig4rf0eV0o6u8vTntzzc0JhlDnYLanerI6 5eiKMsaHyZLvZroiKBZxcVzyYkWW1nj5l3d705fPAs39xwdBAWc1YQgDx uPlhCZWgXULAuWSYVmf5Mklwqu4U2xk7xMm1dDel905uD65KH89U2B8CQ uDrYkp6bY3g8GNIGWl9/COIOl/1OQbmtHFOwwTcv2XHDT8AEUg7Hb1ymk ErCJptkMQj+OcXOM/RICnEr2f9CLmwPCoA7k5uOpqKYeMVCcbUSlD3TEL KlHFm3hsyVgglbvGQu1ZJuAue86YNxEVCBiy9wbnUbpoi3Ju+0Sg3kpkd Q==; X-CSE-ConnectionGUID: qMTWbADDQ3uz/z7FzXOnKg== X-CSE-MsgGUID: 6FVTX+jyRqSMqeJL20vprw== X-IronPort-AV: E=McAfee;i="6700,10204,11351"; a="44548845" X-IronPort-AV: E=Sophos;i="6.13,303,1732608000"; d="scan'208";a="44548845" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2025 16:26:16 -0800 X-CSE-ConnectionGUID: RUHfq5sERcuedRWXC6ak+g== X-CSE-MsgGUID: IYHHJOZtTR+CnKbXgND2gA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,303,1732608000"; d="scan'208";a="115408295" Received: from szeng-desk.jf.intel.com ([10.165.21.160]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2025 16:26:15 -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 v4 4/4] tests/intel/xe_exec_fault_mode: Test scratch page under fault mode Date: Thu, 20 Feb 2025 19:42:02 -0500 Message-Id: <20250221004202.369505-5-oak.zeng@intel.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20250221004202.369505-1-oak.zeng@intel.com> References: <20250221004202.369505-1-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 v1: Move the test to separate function. Write to scratch page before rebind (Matt) Signed-off-by: Oak Zeng --- tests/intel/xe_exec_fault_mode.c | 69 ++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/tests/intel/xe_exec_fault_mode.c b/tests/intel/xe_exec_fault_mode.c index ae40e099b..7e1bdca01 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 +37,65 @@ #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_buf 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_cmdbuf cmdbuf = { + .buf = { + .fd = fd, + .gpu_addr = 0x10a0000, + .placement = vram_if_possible(fd, eci->gt_id), + .flag = DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM, + }, + .cmd_size = bb_size, + }; + + 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; + cmdbuf.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(&cmdbuf, eci); + xe_fill_cmdbuf(&cmdbuf, xe_cmdbuf_insert_store, + dst_buf.gpu_addr, 0xc0ffee); + xe_close_cmdbuf(&cmdbuf); + xe_submit_cmd(&cmdbuf); + + /* 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(&cmdbuf); + igt_assert_eq(*(uint64_t *)dst_buf.cpu_addr, 0xc0ffee); + + xe_destroy_cmdbuf(&cmdbuf); + 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 +518,7 @@ igt_main { NULL }, }; int fd; + uint32_t dev_id; igt_fixture { struct timespec tv = {}; @@ -466,6 +527,7 @@ 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 +570,13 @@ 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