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 0A18BC83F1B for ; Thu, 17 Jul 2025 09:08:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A397D10E156; Thu, 17 Jul 2025 09:08:22 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="erYn7FVg"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 63CF510E156 for ; Thu, 17 Jul 2025 09:08:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1752743301; x=1784279301; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=R0Y3dkMbr7HKURJgloeo7uOFPUcu3tTmq1PEgWBzOmg=; b=erYn7FVgpul280abhLuOpxKkcDlUxT3sc71fhU74xsxSDCfDsuyi5hL2 cMnAV16/Gw7dOm5IDPWuSjQW1hT+EionO/kUH6/y4aRJ2ONvte3jbrSO4 ArR8AH2uQ8dTVsk1g4JZIbQc9VDEKxc3GtNWSfrKMiDlAV/rxixDVF0rC 8l8v+0C2qGvfV8BuV6IKBEOXX2RYJFWLbfUGW6Hvap24m1R2OAWZa6DG1 o/APx2Y1ULt1Mc7ZKmD3cNctFRMvnrU05+IejE3BVOfy8Z3T5XiF2Tq/v 23T9vg/0wzJXitFaoir2kIXUcm9wjhe2q6pYSaXm5q+/aiatP51eYXDsm A==; X-CSE-ConnectionGUID: BvB563avQNC9t2m486MIIQ== X-CSE-MsgGUID: gRoCgnsDShu3FH8dJmNK6w== X-IronPort-AV: E=McAfee;i="6800,10657,11493"; a="55129513" X-IronPort-AV: E=Sophos;i="6.16,318,1744095600"; d="scan'208";a="55129513" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2025 02:08:20 -0700 X-CSE-ConnectionGUID: JWr6PiZMQCuQ6H/uX/SwlQ== X-CSE-MsgGUID: BORoYNt1S7qwV+f9x26rYg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,318,1744095600"; d="scan'208";a="158444278" Received: from llaguna-dev.igk.intel.com (HELO localhost) ([10.91.214.40]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2025 02:08:17 -0700 From: Lukasz Laguna To: igt-dev@lists.freedesktop.org Cc: marcin.bernatowicz@linux.intel.com, michal.wajdeczko@intel.com, michal.winiarski@intel.com, satyanarayana.k.v.p@intel.com, adam.miszczak@linux.intel.com, jakub1.kolakowski@intel.com, lukasz.laguna@intel.com Subject: [PATCH i-g-t 0/4] Validate VF accesses to VRAM via BAR Date: Thu, 17 Jul 2025 11:08:08 +0200 Message-Id: <20250717090812.28628-1-lukasz.laguna@intel.com> X-Mailer: git-send-email 2.40.0 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" Series includes a test to validate VF access to VRAM via BAR. The following scenarios are covered: - VF can access all provisioned memory via the VRAM BAR, - VF cannot access memory beyond what's provisioned via the VRAM BAR, - VF can access memory via the VRAM BAR after reprovisioning. Additionally, it introduces a library for VRAM accesses and helper to iterate over enabled VFs. Lukasz Laguna (4): lib/igt_sriov_device: Add helper to iterate over enabled VFs lib/intel_vram: Add library for VRAM accesses tests/intel/xe_sriov_flr: Use VRAM access helpers from intel_vram library tests/intel/xe_sriov_vram: Add test checking VF access to VRAM lib/igt_sriov_device.h | 12 ++ lib/intel_vram.c | 183 +++++++++++++++++++++ lib/intel_vram.h | 22 +++ lib/meson.build | 1 + tests/intel/xe_sriov_flr.c | 106 +++--------- tests/intel/xe_sriov_vram.c | 310 ++++++++++++++++++++++++++++++++++++ tests/meson.build | 1 + 7 files changed, 549 insertions(+), 86 deletions(-) create mode 100644 lib/intel_vram.c create mode 100644 lib/intel_vram.h create mode 100644 tests/intel/xe_sriov_vram.c -- 2.40.0