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 C1F56CD98DA for ; Mon, 15 Jun 2026 10:33:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 74DDE10E33C; Mon, 15 Jun 2026 10:33:03 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="QIkgVFrc"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id C91AE10E353 for ; Mon, 15 Jun 2026 10:32:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1781519555; x=1813055555; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=IJfGTkHrzQF21TeSAed7tv3kf2i3ci3k5hoUfsebSro=; b=QIkgVFrc/nB0Pg0om7f1sY5KyW+BSg6qUswmaKTpK3hiXozzalwpx0ev 07hca6rvkxRZCxxpAhNowpk4lPdqvbAQA6UmMV0Rdk0rxqelwj58e+k6C wVqSal9oMQWoFrCs62PWzz07WwagAx5pPEol+MB5nVZ8rQojTIJptrHBs rC3DuaanLsoU1Im5G/4C1tDkK/A8crFJdHWSIo9O/Zb5anN+guyasjCSl GLwgvIRPjqriEMv+Kt7HU+NTSfMlRo2cjzp7J/Rgo0Wu5b7kH9cJpAhAe FZfctB4hUeeUl3hEzK3wVhyYqgz/ugrht+pfjwpGoSURlhzJFM+7u2QQ1 A==; X-CSE-ConnectionGUID: NFW6zYm0Sbezg7Jgnq0xlw== X-CSE-MsgGUID: 2uNjlfxiTw26kpKK5I84Hg== X-IronPort-AV: E=McAfee;i="6800,10657,11817"; a="93372335" X-IronPort-AV: E=Sophos;i="6.24,206,1774335600"; d="scan'208";a="93372335" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2026 03:32:34 -0700 X-CSE-ConnectionGUID: sbjAGwOwSNC2Qy3JqQG4kw== X-CSE-MsgGUID: 1tHAkO3ASS24mgw/haED/A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,206,1774335600"; d="scan'208";a="271514739" Received: from soc-5cg43972f8.clients.intel.com (HELO localhost) ([172.28.182.80]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2026 03:32:33 -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 v2 i-g-t 2/6] lib/xe/xe_sriov_admin: Add SR-IOV admin exit cleanup restore helper Date: Mon, 15 Jun 2026 12:32:16 +0200 Message-ID: <20260615103220.281656-3-marcin.bernatowicz@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260615103220.281656-1-marcin.bernatowicz@linux.intel.com> References: <20260615103220.281656-1-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 Reviewed-by: 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