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 712ECE63F12 for ; Sun, 15 Feb 2026 20:33:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F2D2110E04E; Sun, 15 Feb 2026 20:33:40 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="UrxS1N3p"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id BA2C910E00C for ; Sun, 15 Feb 2026 20:33:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771187620; x=1802723620; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=LHj50oB3V/LSJd6IGO1iIF//3mTfRBwLXlSithMbIsY=; b=UrxS1N3pad+AHE+NncSmggjLGz4g3H5nljbuf7JGnpa8srIpiNByW2F0 qWdJxKkJRz8BXPZOUrX+5vAKg/1uR+/wXGqShK6PKjWAqsAXpe/d/JWeu //Ps/eePcEEtE/4wnzsQ0br4S37N2L/CsEXxRxIv9LBwsTuOTt9aNxEZW syAAwRfcmsNLh/STBfBV02SnqoOy4i+looxAripeNgmDtAwXjBopq4lEV Iu4smGPlqb3xpjuNRqNBB0dIFPzjyHvKNQsu0wkW4ZqngADq45XbENkNp O8sAUb0DspouJiQ5QAnnGnD2BI627vjomh7KF/WfEnRpHZSCPtZKmTwmU Q==; X-CSE-ConnectionGUID: oSju+kMmQqC+VacigyscGw== X-CSE-MsgGUID: EmVEi4O/QMqqSaR7EHBciQ== X-IronPort-AV: E=McAfee;i="6800,10657,11702"; a="71996386" X-IronPort-AV: E=Sophos;i="6.21,293,1763452800"; d="scan'208";a="71996386" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2026 12:33:39 -0800 X-CSE-ConnectionGUID: BK7ZfEyfQvqX+mqFObNpFA== X-CSE-MsgGUID: PF3utjjBS+G0Kn7aYXUesA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,293,1763452800"; d="scan'208";a="251096585" Received: from shealy-mobl3.ger.corp.intel.com (HELO mwajdecz-hp.clients.intel.com) ([10.245.64.17]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2026 12:33:38 -0800 From: Michal Wajdeczko To: intel-xe@lists.freedesktop.org Cc: Michal Wajdeczko , Rodrigo Vivi , Matthew Brost Subject: [PATCH 0/9] drm/xe/pf: Allow to change VFs VRAM quota using sysfs Date: Sun, 15 Feb 2026 21:33:14 +0100 Message-ID: <20260215203323.595-1-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Extend Xe driver specific sysfs SR-IOV knobs with VRAM provisioning. /sys/bus/pci/drivers/xe/BDF/ ├── sriov_admin/ ├── .bulk_profile │ └── vram_quota [RW] unsigned integer ├── vf1/ │ └── profile │ └── vram_quota [RW] unsigned integer ├── vf2/ │ └── profile │ └── vram_quota [RW] unsigned integer Cc: Rodrigo Vivi Cc: Matthew Brost Michal Wajdeczko (9): drm/xe/pf: Add locked variants of VRAM configuration functions drm/xe/pf: Add functions for VRAM provisioning drm/xe/pf: Allow to change VFs VRAM quota using sysfs drm/xe/pf: Use migration-friendly VRAM auto-provisioning drm/xe/tests: Add KUnit tests for new VRAM fair provisioning drm/xe/pf: Don't check for empty config drm/xe/pf: Prefer guard(mutex) when doing fair LMEM provisioning drm/xe/pf: Skip VRAM auto-provisioning if already provisioned drm/xe/pf: Add documentation for vram_quota .../ABI/testing/sysfs-driver-intel-xe-sriov | 31 ++++ .../xe/tests/xe_gt_sriov_pf_config_kunit.c | 90 +++++++++- drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c | 167 ++++++++++++++++-- drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h | 4 + drivers/gpu/drm/xe/xe_sriov_pf_provision.c | 121 +++++++++++-- drivers/gpu/drm/xe/xe_sriov_pf_provision.h | 4 + drivers/gpu/drm/xe/xe_sriov_pf_sysfs.c | 26 ++- 7 files changed, 416 insertions(+), 27 deletions(-) -- 2.47.1