From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 94FC410E41C for ; Mon, 17 Apr 2023 15:36:14 +0000 (UTC) From: =?UTF-8?q?Zbigniew=20Kempczy=C5=84ski?= To: igt-dev@lists.freedesktop.org Date: Mon, 17 Apr 2023 17:35:54 +0200 Message-Id: <20230417153602.104298-3-zbigniew.kempczynski@intel.com> In-Reply-To: <20230417153602.104298-1-zbigniew.kempczynski@intel.com> References: <20230417153602.104298-1-zbigniew.kempczynski@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH i-g-t 02/10] lib/xe_query: Add region helpers and missing doc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: For easier iterate over memory regions and produce dynamic subtests add xe_region_name() helper. As Xe requires buffer size alignment during creating bo add xe_min_page_size() helper. Signed-off-by: Zbigniew Kempczyński --- lib/xe/xe_query.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ lib/xe/xe_query.h | 2 ++ 2 files changed, 47 insertions(+) diff --git a/lib/xe/xe_query.c b/lib/xe/xe_query.c index 2b627a78ac..bd5eb1d189 100644 --- a/lib/xe/xe_query.c +++ b/lib/xe/xe_query.c @@ -422,6 +422,13 @@ struct drm_xe_engine_class_instance *xe_hw_engine(int fd, int idx) return &xe_dev->hw_engines[idx]; } +/** + * xe_mem_region: + * @fd: xe device fd + * @region: region mask + * + * Returns memory region structure for @region mask. + */ struct drm_xe_query_mem_region *xe_mem_region(int fd, uint64_t region) { struct xe_device *xe_dev; @@ -434,6 +441,44 @@ struct drm_xe_query_mem_region *xe_mem_region(int fd, uint64_t region) return &xe_dev->mem_usage->regions[region_idx]; } +/** + * xe_region_name: + * @region: region mask + * + * Returns region string like "system" or "vram-n" where n=0...62. + */ +const char *xe_region_name(uint64_t region) +{ + static char **vrams; + int region_idx = ffs(region) - 1; + + /* Populate the array */ + if (!vrams) { + vrams = calloc(64, sizeof(char *)); + for (int i = 0; i < 64; i++) { + if (i != 0) + asprintf(&vrams[i], "vram-%d", i - 1); + else + asprintf(&vrams[i], "system"); + igt_assert(vrams[i]); + } + } + + return vrams[region_idx]; +} + +/** + * xe_min_page_size: + * @fd: xe device fd + * @region: region mask + * + * Returns minimum page size for @region. + */ +uint32_t xe_min_page_size(int fd, uint64_t region) +{ + return xe_mem_region(fd, region)->min_page_size; +} + /** * xe_number_hw_engine: * @fd: xe device fd diff --git a/lib/xe/xe_query.h b/lib/xe/xe_query.h index 0d4b810a10..f49acb1d7b 100644 --- a/lib/xe/xe_query.h +++ b/lib/xe/xe_query.h @@ -84,6 +84,8 @@ uint64_t vram_if_possible(int fd, int gt); struct drm_xe_engine_class_instance *xe_hw_engines(int fd); struct drm_xe_engine_class_instance *xe_hw_engine(int fd, int idx); struct drm_xe_query_mem_region *xe_mem_region(int fd, uint64_t region); +const char *xe_region_name(uint64_t region); +uint32_t xe_min_page_size(int fd, uint64_t region); unsigned int xe_number_hw_engines(int fd); bool xe_has_vram(int fd); //uint64_t xe_vram_size(int fd); -- 2.34.1