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 1FF55CD5BD1 for ; Tue, 2 Jun 2026 14:17:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BA94E113A44; Tue, 2 Jun 2026 14:17:33 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="dJYe9ta2"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id A17B7113A5D for ; Tue, 2 Jun 2026 14:16:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1780409801; x=1811945801; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BJBF+MMGnD3d2yRX9mHilzE/9MaCipPjJ0+8kwqgHcs=; b=dJYe9ta2MVRwlnhJB7uLrCPgvu/MIodaDAyHSk60iAU/YvYEWf5PDS8t u/YXUY5b5W1oh6vdbv3ewoZMD/QIMNXL9R8aCx15y7AnJAH/mXVVmHkJh pxrEtGpd3LDOCJASwz1hdXXXYBvMde7ckorhJd+Y4eqlGHY72u3tQPT0V dezqQ+2jSvDiMGZCwelRFwAT7E38QD0/JzTZrEYLNc9nFkZ8cCsyk7bVM M5/Js0HtQyiCPh5N5eTXWFkIYS/TtAHKwN71ayNQ8/0aAtZlWIgni8SBX 7D4Mekp3qGTKQWFLCAisLJ4juU9R5EW+sWXENAP+qx416Q4PcaY77C2xd A==; X-CSE-ConnectionGUID: lE8zIivfQO+5MDa1da7uDw== X-CSE-MsgGUID: Hzp88XCPSa6+S6Kp7tmhJw== X-IronPort-AV: E=McAfee;i="6800,10657,11805"; a="83778237" X-IronPort-AV: E=Sophos;i="6.24,183,1774335600"; d="scan'208";a="83778237" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jun 2026 07:16:41 -0700 X-CSE-ConnectionGUID: 0O6I1nw/QAGjpqoI7BenGw== X-CSE-MsgGUID: 5Q8+aJunQ6GTCAArpgNzfQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,183,1774335600"; d="scan'208";a="248847790" Received: from soc-5cg43972f8.clients.intel.com (HELO localhost) ([172.28.182.189]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jun 2026 07:16:40 -0700 From: Marcin Bernatowicz To: igt-dev@lists.freedesktop.org Cc: adam.miszczak@linux.intel.com, jakub1.kolakowski@intel.com, lukasz.laguna@intel.com, Marcin Bernatowicz Subject: [PATCH i-g-t 2/6] lib/xe/xe_sriov_admin: Add SR-IOV admin exit cleanup restore helper Date: Tue, 2 Jun 2026 16:16:05 +0200 Message-ID: <20260602141609.3941750-3-marcin.bernatowicz@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260602141609.3941750-1-marcin.bernatowicz@linux.intel.com> References: <20260602141609.3941750-1-marcin.bernatowicz@linux.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" Add xe_sriov_admin_exit_cleanup_restore_defaults() as a best-effort exit-handler callback to restore PF/VF scheduling defaults via bulk restore. Signed-off-by: Marcin Bernatowicz Cc: Adam Miszczak Cc: Jakub Kolakowski Cc: Lukasz Laguna --- lib/xe/xe_sriov_admin.c | 21 +++++++++++++++++++++ lib/xe/xe_sriov_admin.h | 2 ++ 2 files changed, 23 insertions(+) diff --git a/lib/xe/xe_sriov_admin.c b/lib/xe/xe_sriov_admin.c index f3be70db8..0e7ffb52d 100644 --- a/lib/xe/xe_sriov_admin.c +++ b/lib/xe/xe_sriov_admin.c @@ -623,3 +623,24 @@ void xe_sriov_admin_bulk_restore_defaults(int pf_fd) { igt_assert_eq(0, __xe_sriov_admin_bulk_restore_defaults(pf_fd)); } + +/** + * xe_sriov_admin_exit_cleanup_restore_defaults - Best-effort SR-IOV defaults restore callback + * @pf_fd: PF device file descriptor + * @sig: Exit signal number, or 0 on normal exit + * @user_data: Unused + * + * Callback suitable for igt_sriov_install_exit_handler() when a test modifies + * XE SR-IOV scheduling defaults. Restores PF and VF scheduling attributes to + * driver defaults. Failures are ignored so the callback remains best-effort. + */ +void xe_sriov_admin_exit_cleanup_restore_defaults(int pf_fd, int sig, void *user_data) +{ + (void)sig; + (void)user_data; + + if (!xe_sriov_admin_is_present(pf_fd)) + return; + + (void)__xe_sriov_admin_bulk_restore_defaults(pf_fd); +} diff --git a/lib/xe/xe_sriov_admin.h b/lib/xe/xe_sriov_admin.h index 607e33a86..3db13c2ac 100644 --- a/lib/xe/xe_sriov_admin.h +++ b/lib/xe/xe_sriov_admin.h @@ -56,5 +56,7 @@ int __xe_sriov_admin_restore_defaults(int pf_fd, unsigned int vf_num); void xe_sriov_admin_restore_defaults(int pf_fd, unsigned int vf_num); int __xe_sriov_admin_bulk_restore_defaults(int pf_fd); void xe_sriov_admin_bulk_restore_defaults(int pf_fd); +void xe_sriov_admin_exit_cleanup_restore_defaults(int pf_fd, int sig, + void *user_data); #endif /* __XE_SRIOV_ADMIN_H__ */ -- 2.43.0