From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 98FBF10E034 for ; Thu, 25 May 2023 19:34:25 +0000 (UTC) From: =?UTF-8?q?Zbigniew=20Kempczy=C5=84ski?= To: igt-dev@lists.freedesktop.org Date: Thu, 25 May 2023 21:34:10 +0200 Message-Id: <20230525193411.174802-2-zbigniew.kempczynski@intel.com> In-Reply-To: <20230525193411.174802-1-zbigniew.kempczynski@intel.com> References: <20230525193411.174802-1-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 1/2] xe/xe_query: Add engine class checker List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: Some platforms might be not equipped with some engine classes so check before execution is reasonable choice. Add simple engine check to use in igt_require() constructs. Signed-off-by: Zbigniew Kempczyński Cc: Kamil Konieczny --- lib/xe/xe_query.c | 21 +++++++++++++++++++++ lib/xe/xe_query.h | 1 + 2 files changed, 22 insertions(+) diff --git a/lib/xe/xe_query.c b/lib/xe/xe_query.c index bd5eb1d189..47be8f301a 100644 --- a/lib/xe/xe_query.c +++ b/lib/xe/xe_query.c @@ -536,6 +536,27 @@ xe_dev_FN(xe_va_bits, va_bits, uint32_t); */ xe_dev_FN(xe_dev_id, dev_id, uint16_t); +/** + * xe_has_engine_class: + * @fd: xe device fd + * @engine_class: engine class + * + * Returns true if device @fd has hardware engine @class otherwise false. + */ +bool xe_has_engine_class(int fd, uint16_t engine_class) +{ + struct xe_device *xe_dev; + + xe_dev = find_in_cache(fd); + igt_assert(xe_dev); + + for (int i = 0; i < xe_dev->number_hw_engines; i++) + if (xe_dev->hw_engines[i].engine_class == engine_class) + return true; + + return false; +} + igt_constructor { xe_device_cache_init(); diff --git a/lib/xe/xe_query.h b/lib/xe/xe_query.h index cc6e7cefdc..943ca558a5 100644 --- a/lib/xe/xe_query.h +++ b/lib/xe/xe_query.h @@ -94,6 +94,7 @@ uint32_t xe_va_bits(int fd); uint16_t xe_dev_id(int fd); bool xe_supports_faults(int fd); const char *xe_engine_class_string(uint32_t engine_class); +bool xe_has_engine_class(int fd, uint16_t engine_class); struct xe_device *xe_device_get(int fd); void xe_device_put(int fd); -- 2.34.1