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 E8849C54E6A for ; Tue, 19 Mar 2024 02:43:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9F86A10EB95; Tue, 19 Mar 2024 02:43:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="IUExuE45"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6F94810E664 for ; Tue, 19 Mar 2024 02:42:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1710816177; x=1742352177; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=CU28VFsryCLZoH+M4OGpXQtrM3oYoL7jb8jMsbd4k2U=; b=IUExuE45fK3VAQDh0P68BmiI2Y9VRLsi7uPUpRqghVwtQjgneVujx05o slb+iGnBgca9qEz8tUFoekexfbC9hDfLMT2kCUQJZ2rvks31pnIN7aPLQ trsDJS3N2ZTXH/vqghfjeO3q+bi5sKFfWrABc/HYV8CkvQcxqFzlmc57D tvqp7smvkX7iyt0UWFz3CSdART58kL0+TYit/KfYNqlbDaaNblLsfH81L tUwtLrqBZ0tfeD+9OFBgeR02bm4Kfnr0QLzHS8i6XRSX6YfVoSNfmQAT5 d/8euWQfcELyONhrKrEZMjvHpY+KvFQFFLZndUbmpV1hHwOnIDESJF0Og w==; X-IronPort-AV: E=McAfee;i="6600,9927,11017"; a="5540741" X-IronPort-AV: E=Sophos;i="6.07,135,1708416000"; d="scan'208";a="5540741" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2024 19:42:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,135,1708416000"; d="scan'208";a="14130202" Received: from szeng-desk.jf.intel.com ([10.165.21.149]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2024 19:42:56 -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 5/8] drm/xe/svm: Get xe memory region from page Date: Mon, 18 Mar 2024 22:55:08 -0400 Message-Id: <20240319025511.1598354-6-oak.zeng@intel.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20240319025511.1598354-1-oak.zeng@intel.com> References: <20240319025511.1598354-1-oak.zeng@intel.com> MIME-Version: 1.0 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" For gpu vram page, we now have a struct page backing of it. struct page's pgmap points to xe_memory_region's pagemap. This allow us to retrieve xe_memory_region from struct page. v1: move the function to xe_svm.h Signed-off-by: Oak Zeng --- drivers/gpu/drm/xe/xe_svm.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_svm.h b/drivers/gpu/drm/xe/xe_svm.h index 8a34429eb674..624c1581f8ba 100644 --- a/drivers/gpu/drm/xe/xe_svm.h +++ b/drivers/gpu/drm/xe/xe_svm.h @@ -6,6 +6,7 @@ #ifndef __XE_SVM_H #define __XE_SVM_H +#include #include "xe_device_types.h" #include "xe_device.h" #include "xe_assert.h" @@ -35,4 +36,14 @@ static inline u64 xe_mem_region_pfn_to_dpa(struct xe_mem_region *mr, u64 pfn) int xe_devm_add(struct xe_tile *tile, struct xe_mem_region *mr); void xe_devm_remove(struct xe_tile *tile, struct xe_mem_region *mr); +/** + * xe_page_to_mem_region() - Get a page's memory region + * + * @page: a struct page pointer pointing to a page in vram memory region + */ +static inline struct xe_mem_region *xe_page_to_mem_region(struct page *page) +{ + return container_of(page->pgmap, struct xe_mem_region, pagemap); +} + #endif -- 2.26.3