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 BE08EC54E58 for ; Wed, 20 Mar 2024 03:12:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4F15010E4B2; Wed, 20 Mar 2024 03:12:42 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="en0+W7bY"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id A8C0F10E4B1 for ; Wed, 20 Mar 2024 03:12:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1710904360; x=1742440360; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=9wSZZMdmhJaqwJWQ/Lx35rRNm9LiRtXK5HcFSRvy1eA=; b=en0+W7bYtdj083XqqBjzPHEeH6luV6Bqm2kYqtex/weuUw5h165MU8Kc AzBFfRrBc+MvoVqEtM6Mjx6RoGdAzm43WaaxFg3aWjeGhQDyRFIzocFJF y5AYkQUG1ELVg0hw9jP7aDbyYXp/RmFEIH6sPp8DbBeeH+1fav9SebQLN wLExkUuFIjl8wKjA9xxxdSsGvYQziNnyXzrN73fds49KWATAZziB2gi3h xPZ34FCNQVaj9dze4H668Sj/LuYfvFZTz55O/xW/H2VORyuqC/I7oEGtv XdUPeG6LWtX4Cjt/yCckRcNlLo6a1lTbbkIMKgZkFD0ERHzCjNPF3WfCq A==; X-IronPort-AV: E=McAfee;i="6600,9927,11018"; a="16356322" X-IronPort-AV: E=Sophos;i="6.07,138,1708416000"; d="scan'208";a="16356322" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2024 20:12:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,138,1708416000"; d="scan'208";a="18666577" Received: from szeng-desk.jf.intel.com ([10.165.21.149]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2024 20:12:39 -0700 From: Oak Zeng To: intel-xe@lists.freedesktop.org Cc: thomas.hellstrom@intel.com, matthew.brost@intel.com, brian.welty@intel.com, himal.prasad.ghimiray@intel.com Subject: [PATCH 0/8] Use hmm_range_fault to populate user page Date: Tue, 19 Mar 2024 23:24:49 -0400 Message-Id: <20240320032457.1778608-1-oak.zeng@intel.com> X-Mailer: git-send-email 2.26.3 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" This is an effort to unify hmmptr (system allocator) and userptr. A helper xe_hmm_populate_range is created to populate a user page using hmm_range_fault, instead of using get_user_pages_fast. This helper is then used to replace some userptr codes. The same help will be used later for hmmptr. This is part of the hmmptr (system allocator) codes. Since this part can be merged separately, send it out for CI and review first. It will be followed by other hmmptr codes. Oak Zeng (8): drm/xe/svm: Remap and provide memmap backing for GPU vram drm/xe/svm: Introduce DRM_XE_SVM kernel config drm/xe: Introduce helper to get tile from memory region drm/xe: Introduce a helper to get dpa from pfn drm/xe/svm: Get xe memory region from page drm/xe: Introduce helper to populate userptr drm/xe: Introduce a helper to free sg table drm/xe: Use hmm_range_fault to populate user pages drivers/gpu/drm/xe/Kconfig | 21 +++ drivers/gpu/drm/xe/Makefile | 2 + drivers/gpu/drm/xe/xe_device.h | 9 + drivers/gpu/drm/xe/xe_device_types.h | 8 + drivers/gpu/drm/xe/xe_hmm.c | 250 +++++++++++++++++++++++++++ drivers/gpu/drm/xe/xe_hmm.h | 11 ++ drivers/gpu/drm/xe/xe_mmio.c | 6 + drivers/gpu/drm/xe/xe_svm.h | 49 ++++++ drivers/gpu/drm/xe/xe_svm_devmem.c | 89 ++++++++++ drivers/gpu/drm/xe/xe_tile.c | 6 + drivers/gpu/drm/xe/xe_vm.c | 122 ++----------- 11 files changed, 463 insertions(+), 110 deletions(-) create mode 100644 drivers/gpu/drm/xe/xe_hmm.c create mode 100644 drivers/gpu/drm/xe/xe_hmm.h create mode 100644 drivers/gpu/drm/xe/xe_svm.h create mode 100644 drivers/gpu/drm/xe/xe_svm_devmem.c -- 2.26.3