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 284E0C2BA18 for ; Fri, 14 Jun 2024 21:48:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AAE7E10EE7B; Fri, 14 Jun 2024 21:48:30 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="MJ8iUneN"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id A96CB10E2C5 for ; Fri, 14 Jun 2024 21:47:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718401657; x=1749937657; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=TBy79V+LSg+DBatRRQHZEDgHbgmGbpt98PBLMiY/JW0=; b=MJ8iUneNAkj39fRZZgwg3pSsK+bbcBNmF3ZJLuMfJbcPO4WodOT9ZkMt J/sZyFGewvOL+NMdpN9g3tJ9GPCFmmGQgW82RY4FudbQGtxTq7z/Jp59L TMhd0RKaHdHJa8Ljce8YUfG9X2FYecg33iXH/bk46+sKj8GP0alqlNXLJ AX3rUwu+3uYiOK6kQPVZ7G9MejYvDf+0KyXoxXPZk8aJyKc4qHE0KAaBL kqDv3gtfl2sRtXsM9v0bL/yI6ev4GD6maO61lrL+XLqWldiKzH1/57bpv 92m/ERNTW4DYQRjjZhQbZXg5uRS+tAxdzDJ9KO6QVef90Fb6wmx9rsxZ2 g==; X-CSE-ConnectionGUID: jz6tW73sQPKwHepoE5dJvg== X-CSE-MsgGUID: tsYmC9T0SdSsSvcupm4PuQ== X-IronPort-AV: E=McAfee;i="6700,10204,11103"; a="25886591" X-IronPort-AV: E=Sophos;i="6.08,238,1712646000"; d="scan'208";a="25886591" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2024 14:47:27 -0700 X-CSE-ConnectionGUID: UhOFnbG8TQq0NIL2aZ2Vnw== X-CSE-MsgGUID: LyIhzm61ThmLAKr7ffb5qg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,238,1712646000"; d="scan'208";a="45572424" Received: from szeng-desk.jf.intel.com ([10.165.21.149]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2024 14:47:28 -0700 From: Oak Zeng To: intel-xe@lists.freedesktop.org Subject: [CI 30/44] drm/xe/uapi: Add DRM_XE_VM_CREATE_FLAG_PARTICIPATE_SVM flag Date: Fri, 14 Jun 2024 17:58:03 -0400 Message-Id: <20240614215817.1097633-30-oak.zeng@intel.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20240614215817.1097633-1-oak.zeng@intel.com> References: <20240614215817.1097633-1-oak.zeng@intel.com> 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" When a xe_vm is created with DRM_XE_VM_CREATE_FLAG_PARTICIPATE_SVM, xe_vm shares the same process address space with the CPU process who create this xe_vm. Cc: Thomas Hellström Cc: Matthew Brost Cc: Brian Welty Cc: Himal Prasad Ghimiray Suggested-by: Christian Konig Signed-off-by: Oak Zeng --- drivers/gpu/drm/xe/xe_vm.c | 2 ++ drivers/gpu/drm/xe/xe_vm_types.h | 1 + include/uapi/drm/xe_drm.h | 4 ++++ 3 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 147a5d76a0ee..4aa5a596475e 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -1832,6 +1832,8 @@ int xe_vm_create_ioctl(struct drm_device *dev, void *data, flags |= XE_VM_FLAG_LR_MODE; if (args->flags & DRM_XE_VM_CREATE_FLAG_FAULT_MODE) flags |= XE_VM_FLAG_FAULT_MODE; + if (args->flags & DRM_XE_VM_CREATE_FLAG_PARTICIPATE_SVM) + flags |= XE_VM_FLAG_PARTICIPATE_SVM; vm = xe_vm_create(xe, flags); if (IS_ERR(vm)) diff --git a/drivers/gpu/drm/xe/xe_vm_types.h b/drivers/gpu/drm/xe/xe_vm_types.h index 4d9707c19031..165c2ca258de 100644 --- a/drivers/gpu/drm/xe/xe_vm_types.h +++ b/drivers/gpu/drm/xe/xe_vm_types.h @@ -143,6 +143,7 @@ struct xe_vm { #define XE_VM_FLAG_BANNED BIT(5) #define XE_VM_FLAG_TILE_ID(flags) FIELD_GET(GENMASK(7, 6), flags) #define XE_VM_FLAG_SET_TILE_ID(tile) FIELD_PREP(GENMASK(7, 6), (tile)->id) +#define XE_VM_FLAG_PARTICIPATE_SVM BIT(8) unsigned long flags; /** @composite_fence_ctx: context composite fence */ diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index af8ee6f929d4..ee09ed1ea3c2 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -830,6 +830,9 @@ struct drm_xe_gem_mmap_offset { * demand when accessed, and also allows per-VM overcommit of memory. * The xe driver internally uses recoverable pagefaults to implement * this. + * - %DRM_XE_VM_CREATE_FLAG_PARTICIPATE_SVM - This vm participates + * SVM (shared virtual memory), which means this vm share one process + * address space with CPU process who create this xe_vm. */ struct drm_xe_vm_create { /** @extensions: Pointer to the first extension struct, if any */ @@ -838,6 +841,7 @@ struct drm_xe_vm_create { #define DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE (1 << 0) #define DRM_XE_VM_CREATE_FLAG_LR_MODE (1 << 1) #define DRM_XE_VM_CREATE_FLAG_FAULT_MODE (1 << 2) +#define DRM_XE_VM_CREATE_FLAG_PARTICIPATE_SVM (1 << 3) /** @flags: Flags */ __u32 flags; -- 2.26.3