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 DA5AFC00A94 for ; Mon, 15 Apr 2024 14:49:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 599ED11263B; Mon, 15 Apr 2024 14:49:30 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="CxtQklp4"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 54EC610FE8E for ; Mon, 15 Apr 2024 14:49:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713192570; x=1744728570; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=S23uFzKKS3zw/qIVCBbWkNYhwi+wH4uQMChj6OStNsQ=; b=CxtQklp4oVfk3i/V/pYn0gdy3Z6wj2xz31cwgtTIJqo1a8TiIZ6jHykq mtbXhupgwAaVGL7031GpebDtQUs53gG4atLhD/63YpbMi8hJit3sc75HH nopiukZiSeRd9ajB0+l8Gz+aYndfqYsI8A9ia1rQmLZiTd3JDr3RpGarQ rTvNT4AkKSktEbypp3hexQPSbq2kb/Uj/pK5ytZNV/GflFFkWQue+PnwQ ShMY6kVz/hsgzpASTJuqX/dM448Plz2P8Y5QjnGzAB3k0gh4ABy6D6qwA 6jo2TSaKQGSu7UdWTHeE0Y5GzKKNZioUbH6o59yR0DUclkZiPZX6VoW8W w==; X-CSE-ConnectionGUID: n9LNaiajQauJETPXOwvsuQ== X-CSE-MsgGUID: bqRNCMRuSIWJXxcjJ1SWBA== X-IronPort-AV: E=McAfee;i="6600,9927,11045"; a="19735065" X-IronPort-AV: E=Sophos;i="6.07,203,1708416000"; d="scan'208";a="19735065" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 07:49:30 -0700 X-CSE-ConnectionGUID: fGA4C1RBSiyaaRTZ5gv0Eg== X-CSE-MsgGUID: Y5TsK+TcRReW6TsqqZ8m6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,203,1708416000"; d="scan'208";a="26580029" Received: from nirmoyda-desk.igk.intel.com ([10.102.138.190]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 07:49:28 -0700 From: Nirmoy Das To: igt-dev@lists.freedesktop.org Cc: Nirmoy Das Subject: [PATCH i-g-t v3 1/4] drm-uapi/xe: Add device atomics vm bind flags Date: Mon, 15 Apr 2024 16:35:25 +0200 Message-ID: <20240415143528.4107-2-nirmoy.das@intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240415143528.4107-1-nirmoy.das@intel.com> References: <20240415143528.4107-1-nirmoy.das@intel.com> MIME-Version: 1.0 Organization: Intel Deutschland GmbH, Registered Address: Am Campeon 10, 85579 Neubiberg, Germany, Commercial Register: Amtsgericht Muenchen HRB 186928 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" Align with commit ("drm/xe/uapi: Introduce VMA bind flag for device atomics") Signed-off-by: Nirmoy Das --- include/drm-uapi/xe_drm.h | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/include/drm-uapi/xe_drm.h b/include/drm-uapi/xe_drm.h index 4353595a4..9171cc0f1 100644 --- a/include/drm-uapi/xe_drm.h +++ b/include/drm-uapi/xe_drm.h @@ -881,6 +881,14 @@ struct drm_xe_vm_destroy { * will only be valid for DRM_XE_VM_BIND_OP_MAP operations, the BO * handle MBZ, and the BO offset MBZ. This flag is intended to * implement VK sparse bindings. + * - %DRM_XE_VM_BIND_FLAG_DEVICE_ATOMICS - When this flag is set for + * a VA range, all the corresponding PTEs will have atomic access bit + * set. This will allow device atomics operation for that VA range. + * This flag only works for single placement buffer objects and + * mainly for SMEM only buffer objects where CPU atomics can be perform + * by an application and so KMD can not set device atomics on such buffers + * by default. This flag has no effect on LMEM only placed buffers as atomic + * access bit is set for LMEM backed PTEs always. */ struct drm_xe_vm_bind_op { /** @extensions: Pointer to the first extension struct, if any */ @@ -967,10 +975,11 @@ struct drm_xe_vm_bind_op { /** @op: Bind operation to perform */ __u32 op; -#define DRM_XE_VM_BIND_FLAG_READONLY (1 << 0) -#define DRM_XE_VM_BIND_FLAG_IMMEDIATE (1 << 1) -#define DRM_XE_VM_BIND_FLAG_NULL (1 << 2) -#define DRM_XE_VM_BIND_FLAG_DUMPABLE (1 << 3) +#define DRM_XE_VM_BIND_FLAG_READONLY (1 << 0) +#define DRM_XE_VM_BIND_FLAG_IMMEDIATE (1 << 1) +#define DRM_XE_VM_BIND_FLAG_NULL (1 << 2) +#define DRM_XE_VM_BIND_FLAG_DUMPABLE (1 << 3) +#define DRM_XE_VM_BIND_FLAG_DEVICE_ATOMICS (1 << 4) /** @flags: Bind flags */ __u32 flags; -- 2.42.0