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 E6C24C52D7D for ; Wed, 14 Aug 2024 15:58:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A159110E4DB; Wed, 14 Aug 2024 15:58:03 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="hQiO3fMr"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 20B1110E4DB for ; Wed, 14 Aug 2024 15:58:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723651083; x=1755187083; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=cHRiN5ijiBrmR8976QFrPN6/ZJLQbZpQSg+pxZPFRhM=; b=hQiO3fMr5XNV8N2uGt/7puVEvqSvK2VoLRpV/QYJAucO7FqGc8gLmL/q 8OWNQwKHikvDjEeKPt4gNRIkHiQfm+c9DkjK6VdzazyzD8/qUPHof/y0b MzL1ov8jPNFCAuuOCb+VW7gtcgelr+aCvMZS6fWeLc6qeacLO3qbWoBnh gI00/2ienNuD7bwcl6v6BiAiFeoqdS/i+5fezLMaUei3pOfgVLgStnZNg P0GcIH+KLjESOJ3FxpTV2nbU5ijlOWS4lMAw4lwgENNS2VM7xkatmTXav chfh3ukKdxZQh3VvZlCcpSzK9vxrijiM3e4qPhq6h1+OnQtieN6Fuuowc A==; X-CSE-ConnectionGUID: RDx7zQ0sQoyfy5oN9/VAXw== X-CSE-MsgGUID: gKffRirpQRGnuIV/67ZPTg== X-IronPort-AV: E=McAfee;i="6700,10204,11164"; a="21522975" X-IronPort-AV: E=Sophos;i="6.10,146,1719903600"; d="scan'208";a="21522975" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2024 08:58:03 -0700 X-CSE-ConnectionGUID: BA4L5EgASiKIOBIckyTLvQ== X-CSE-MsgGUID: OuyYhbRSRD6PV8ghWdYRhw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,146,1719903600"; d="scan'208";a="58693255" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2024 08:58:02 -0700 From: Matthew Brost To: igt-dev@lists.freedesktop.org Subject: [PATCH] tests/intel/xe_vm: Add BO partial mmap test Date: Wed, 14 Aug 2024 08:58:54 -0700 Message-Id: <20240814155854.3846990-1-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 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" Ensure BO partial mmap works by setting a BO to 0, partially mmap BO and setting to a canned value, and then mmap entire BO ensure data integrity. Signed-off-by: Matthew Brost --- tests/intel/xe_vm.c | 53 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/tests/intel/xe_vm.c b/tests/intel/xe_vm.c index c3960fedee..57534a2a8c 100644 --- a/tests/intel/xe_vm.c +++ b/tests/intel/xe_vm.c @@ -106,6 +106,56 @@ test_scratch(int fd) xe_vm_destroy(fd, vm); } +/** + * SUBTEST: bo-mmap-partial + * Description: Test partially mmap of a BO + * Functionality: BO mmap + * Test category: functionality test + */ + +static void test_bo_mmap_partial(int fd, size_t bo_size) +{ +#define MMAP_VALUE(idx) ((0xdeadull << 32) | idx) + uint32_t bo; + uint64_t offset; + uint64_t *ptr; + size_t partial_size = bo_size / 2; + void *map; + int i, j; + + bo = xe_bo_create(fd, 0, bo_size, vram_if_possible(fd, 0), + DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM); + + /* Set to zero */ + map = xe_bo_map(fd, bo, bo_size); + memset(map, 0, bo_size); + munmap(map, bo_size); + + /* Partial map */ + offset = xe_bo_mmap_offset(fd, bo); + map = mmap(NULL, partial_size, PROT_WRITE, MAP_SHARED, fd, + offset + partial_size); + igt_assert(map != MAP_FAILED); + ptr = map; + for (i = 0, j = partial_size / sizeof(uint64_t); + j < bo_size / sizeof(uint64_t); ++i, ++j) + ptr[i] = MMAP_VALUE(j); + munmap(map, partial_size); + + /* Map entire BO and check */ + map = xe_bo_map(fd, bo, bo_size); + ptr = map; + for (i = 0; i < bo_size / sizeof(uint64_t); ++i) { + if (i < partial_size / sizeof(uint64_t)) + igt_assert_eq(ptr[i], 0); + else + igt_assert_eq(ptr[i], MMAP_VALUE(i)); + } + munmap(map, bo_size); + gem_close(fd, bo); +#undef MMAP_VALUE +} + static void __test_bind_one_bo(int fd, uint32_t vm, int n_addrs, uint64_t *addrs) { @@ -2354,6 +2404,9 @@ igt_main } } + igt_subtest("bo-mmap-partial") + test_bo_mmap_partial(fd, SZ_2M); + igt_subtest("bind-once") test_bind_once(fd); -- 2.34.1