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 65BBEC25B7A for ; Fri, 17 May 2024 11:46:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 190E010EE8E; Fri, 17 May 2024 11:46:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="emwGlPX/"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 52E3410EE8B for ; Fri, 17 May 2024 11:46:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715946403; x=1747482403; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=D0dHY6sc36C9z/KsyqHub04viSX7+52LwQrlzCfoPtk=; b=emwGlPX/8EtfcqkYvBHnpqeJ5Altle9/X4TppoysfOCfdyGFm5rc2SBs XCJBGRlFzk6HpqumvetvrPreUrUjMlqzCNLSEVI9k8Fgju4aILK/VdBZ1 8SbUGVa0dP8HCSvaYTrxyV+laBOSOoKu3Q+G8I2z7yzGGhNkK8Fs3zOiY YXqNaNq1GCH4HLHI8fb+Tjs2Nr9ESh/xbcyGJpLMrQK93bUlmUNPvMUBT V4WcjghZmHAmCxNdEgHT6xjMlw8fzm/uk/bIPdKw8hjEH3PFx9/ytp/H0 swvPQ3OgKRNhDsPr7zgHVKT0DXi8+RbNf/J1947PlqdElSbxtNuZNtKtK A==; X-CSE-ConnectionGUID: 2XTdO6xGQh6M40MR01BiYw== X-CSE-MsgGUID: wvvZThJpTZmW7LuxLhnW4w== X-IronPort-AV: E=McAfee;i="6600,9927,11074"; a="29620002" X-IronPort-AV: E=Sophos;i="6.08,167,1712646000"; d="scan'208";a="29620002" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 May 2024 04:46:43 -0700 X-CSE-ConnectionGUID: zeoJ8RRYS4ubb8UzSg1vog== X-CSE-MsgGUID: 7J4RZxMnRharBrTCIoL34Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,167,1712646000"; d="scan'208";a="54977350" Received: from bommu-optiplex-5060.iind.intel.com ([10.145.169.63]) by fmviesa002.fm.intel.com with ESMTP; 17 May 2024 04:46:41 -0700 From: Bommu Krishnaiah To: igt-dev@lists.freedesktop.org Cc: Bommu Krishnaiah , Oak Zeng , Himal Prasad Ghimiray Subject: [PATCH i-g-t v3 07/10] tests/intel/xe_svm: Add svm-invalid-va test to verify SVM functionality with invalid address access Date: Fri, 17 May 2024 17:16:55 +0530 Message-Id: <20240517114658.810283-8-krishnaiah.bommu@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240517114658.810283-1-krishnaiah.bommu@intel.com> References: <20240517114658.810283-1-krishnaiah.bommu@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" svm-invalid-va test ensures that the driver correctly handles catastrophic errors when the GPU attempts to access an invalid address in SVM. Signed-off-by: Bommu Krishnaiah Cc: Oak Zeng Cc: Himal Prasad Ghimiray --- tests/intel/xe_svm.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/tests/intel/xe_svm.c b/tests/intel/xe_svm.c index f9e8eb2d9..895cf26ac 100644 --- a/tests/intel/xe_svm.c +++ b/tests/intel/xe_svm.c @@ -36,6 +36,9 @@ * * SUBTEST: svm-atomic-access * Description: verify SVM basic functionality by using GPU atomic access any location in malloc'ed memory + * + * SUBTEST: svm-invalid-va + * Description: Verify SVM functionality while accessing an invalid address. */ #include @@ -269,6 +272,35 @@ static void svm_atomic_access(int fd, uint32_t vm, struct drm_xe_engine_class_in free(dst); } +/** + * Submit a GPU command to access an invalid address. + * Driver should detect a catastrophic error. + */ +static void svm_invalid_va(int fd, uint32_t vm, struct drm_xe_engine_class_instance *eci) +{ + uint64_t gpu_va = 0x1a0000; + size_t bo_size = xe_bb_size(fd, PAGE_ALIGN_UFENCE); + uint32_t *dst; + + struct xe_buffer cmd_buf = { + .fd = fd, + .gpu_addr = (void *)(uintptr_t)gpu_va, + .vm = vm, + .size = bo_size, + .placement = vram_if_possible(fd, eci->gt_id), + .flag = DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM + }; + + dst = (uint32_t *)0x1fffffffffff000; + + xe_create_cmdbuf(&cmd_buf, insert_store, (uint64_t)dst, 0xc0ffee, eci); + + igt_assert_eq(__xe_submit_cmd(&cmd_buf), -EIO); // for invalid address __xe_wait_ufence will return -EIO + + xe_destroy_cmdbuf(&cmd_buf); + free(dst); +} + igt_main { int fd; @@ -305,6 +337,10 @@ igt_main xe_for_each_engine(fd, hwe) svm_atomic_access(fd, vm, hwe); + igt_subtest_f("svm-invalid-va") + xe_for_each_engine(fd, hwe) + svm_invalid_va(fd, vm, hwe); + igt_fixture { xe_vm_destroy(fd, vm); drm_close_driver(fd); -- 2.25.1