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 EAF18E9270D for ; Thu, 5 Oct 2023 15:31:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B557810E42D; Thu, 5 Oct 2023 15:31:43 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id C3FBE10E428; Thu, 5 Oct 2023 15:31:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1696519902; x=1728055902; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=TuVIRO8sxjggr51MBiuOAnZ05gBz82yW7EXgmuOcaDU=; b=mwbsi2DiyHurp6Rmhv/con2n1/F7phpPf7DFkFISLYX9F0qYtcmrxeYI YsKwtdv9Jg7VD/9JxGpzz3PGbchJ8/KMznFzcLFDOMatCj6ZPE5IKclvA CwxsEavuNpA7ab5m6S+ZzryTM9k2qYe4ER9IJqR0fCyKotmgvjaDuejrq hCAAMmc+L7r/NNi+zzJ8OaOSFKy/dBTSiP6m2I7T7FTCzP2hSZI26xx8m nsxs70ZOb8BebM9skZLU9JQClNXs7in65wIBtz4J4Z+b9LfOqy+A31llH ogtx8QionzNVtgs9r3lVIoPiTI+h/Z8plqoVH7ygTJdtSCHZx5IdktuPH Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10854"; a="363810920" X-IronPort-AV: E=Sophos;i="6.03,203,1694761200"; d="scan'208";a="363810920" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Oct 2023 08:31:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10854"; a="925631308" X-IronPort-AV: E=Sophos;i="6.03,203,1694761200"; d="scan'208";a="925631308" Received: from ssshahap-mobl.ger.corp.intel.com (HELO mwauld-mobl1.intel.com) ([10.252.30.107]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Oct 2023 08:31:40 -0700 From: Matthew Auld To: igt-dev@lists.freedesktop.org Date: Thu, 5 Oct 2023 16:31:09 +0100 Message-ID: <20231005153116.452319-6-matthew.auld@intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231005153116.452319-1-matthew.auld@intel.com> References: <20231005153116.452319-1-matthew.auld@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Intel-xe] [PATCH i-g-t 05/12] tests/xe/mmap: add some tests for cpu_caching and coh_mode X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-xe@lists.freedesktop.org Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Ensure the various invalid combinations are rejected. Also ensure we can mmap and fault anything that is valid. Signed-off-by: Matthew Auld Cc: José Roberto de Souza Cc: Pallavi Mishra --- tests/intel/xe_mmap.c | 77 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/tests/intel/xe_mmap.c b/tests/intel/xe_mmap.c index 7e7e43c00..09e9c8aae 100644 --- a/tests/intel/xe_mmap.c +++ b/tests/intel/xe_mmap.c @@ -199,6 +199,80 @@ static void test_small_bar(int fd) gem_close(fd, bo); } +static void assert_caching(int fd, uint64_t flags, uint16_t cpu_caching, + uint16_t coh_mode, bool fail) +{ + uint64_t size = xe_get_default_alignment(fd); + uint64_t mmo; + uint32_t handle; + uint32_t *map; + bool ret; + + ret = __xe_bo_create_caching(fd, 0, size, flags, cpu_caching, + coh_mode, &handle); + igt_assert(ret == fail); + + if (fail) + return; + + mmo = xe_bo_mmap_offset(fd, handle); + map = mmap(NULL, size, PROT_WRITE, MAP_SHARED, fd, mmo); + igt_assert(map != MAP_FAILED); + map[0] = 0xdeadbeaf; + gem_close(fd, handle); +} + +/** + * SUBTEST: cpu-caching-coh + * Description: Test cpu_caching and coh, including mmap behaviour. + * Test category: functionality test + */ +static void test_cpu_caching(int fd) +{ + if (vram_memory(fd, 0)) { + assert_caching(fd, vram_memory(fd, 0), + DRM_XE_GEM_CPU_CACHING_WC, DRM_XE_GEM_COH_NONE, + false); + assert_caching(fd, vram_memory(fd, 0), + DRM_XE_GEM_CPU_CACHING_WC, DRM_XE_GEM_COH_AT_LEAST_1WAY, + false); + assert_caching(fd, vram_memory(fd, 0) | system_memory(fd), + DRM_XE_GEM_CPU_CACHING_WC, DRM_XE_GEM_COH_NONE, + false); + + assert_caching(fd, vram_memory(fd, 0), + DRM_XE_GEM_CPU_CACHING_WB, DRM_XE_GEM_COH_NONE, + true); + assert_caching(fd, vram_memory(fd, 0), + DRM_XE_GEM_CPU_CACHING_WB, DRM_XE_GEM_COH_AT_LEAST_1WAY, + true); + assert_caching(fd, vram_memory(fd, 0) | system_memory(fd), + DRM_XE_GEM_CPU_CACHING_WB, DRM_XE_GEM_COH_NONE, + true); + assert_caching(fd, vram_memory(fd, 0) | system_memory(fd), + DRM_XE_GEM_CPU_CACHING_WB, DRM_XE_GEM_COH_AT_LEAST_1WAY, + true); + } + + assert_caching(fd, system_memory(fd), DRM_XE_GEM_CPU_CACHING_WB, + DRM_XE_GEM_COH_AT_LEAST_1WAY, false); + assert_caching(fd, system_memory(fd), DRM_XE_GEM_CPU_CACHING_WC, + DRM_XE_GEM_COH_NONE, false); + assert_caching(fd, system_memory(fd), DRM_XE_GEM_CPU_CACHING_WC, + DRM_XE_GEM_COH_AT_LEAST_1WAY, false); + + assert_caching(fd, system_memory(fd), DRM_XE_GEM_CPU_CACHING_WB, + DRM_XE_GEM_COH_NONE, true); + assert_caching(fd, system_memory(fd), -1, -1, true); + assert_caching(fd, system_memory(fd), 0, 0, true); + assert_caching(fd, system_memory(fd), 0, DRM_XE_GEM_COH_AT_LEAST_1WAY, true); + assert_caching(fd, system_memory(fd), DRM_XE_GEM_CPU_CACHING_WC, 0, true); + assert_caching(fd, system_memory(fd), DRM_XE_GEM_CPU_CACHING_WC + 1, + DRM_XE_GEM_COH_AT_LEAST_1WAY, true); + assert_caching(fd, system_memory(fd), DRM_XE_GEM_CPU_CACHING_WC, + DRM_XE_GEM_COH_AT_LEAST_1WAY + 1, true); +} + igt_main { int fd; @@ -230,6 +304,9 @@ igt_main test_small_bar(fd); } + igt_subtest("cpu-caching-coh") + test_cpu_caching(fd); + igt_fixture drm_close_driver(fd); } -- 2.41.0