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 721F6D116E2 for ; Mon, 1 Dec 2025 05:54:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3392D10E2A4; Mon, 1 Dec 2025 05:54:03 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="EOrkCXGB"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5643C10E2AA for ; Mon, 1 Dec 2025 05:54:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764568441; x=1796104441; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2eKCd9XLJtFSgkDuAqxUh1SIzkMSWfootqFGJjkDv3o=; b=EOrkCXGBuFPsEj57pAdgPg5qN9t2ntYKCsNP38lxLdtKHGJKXRoRmj/g yD0lMNpz0NHMzC+fvU5fcW2rWCuTE3KzydCypqBtQtUhWIAGJRCtW36o0 qs4cxS0sMG9mozlFuW903Jo0JyiJs6BSzLUaM2b1Q6PRI94aL5phHXsRl kbi5XhWWTksiiic/2LoKihgHph4BQy1t8Z6dfHxlpKVujxTAf8+OTsuP7 0avFhm8nQoi8NSN/e3h1ft5QObMnwceOWOsL8ooDqQAO/nO8ghBr6f8/j Fxnmo5LQaSoc/oD/bWX1bLJwOt0nF4gAbObMY5eaVnSf4cc96ZY61AaeD w==; X-CSE-ConnectionGUID: 4Zp5YyNuRVGqHVsUgCMpig== X-CSE-MsgGUID: sBwSb0PZR0uu5gqK2I6bxw== X-IronPort-AV: E=McAfee;i="6800,10657,11629"; a="66457395" X-IronPort-AV: E=Sophos;i="6.20,240,1758610800"; d="scan'208";a="66457395" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2025 21:54:01 -0800 X-CSE-ConnectionGUID: q7cUpTNtToezb33vcqeQaw== X-CSE-MsgGUID: ODv6qk5oSlW7TPTKCt4OXQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,240,1758610800"; d="scan'208";a="224950843" Received: from varungup-desk.iind.intel.com ([10.190.238.71]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2025 21:53:59 -0800 From: Arvind Yadav To: intel-xe@lists.freedesktop.org Cc: matthew.brost@intel.com, himal.prasad.ghimiray@intel.com, thomas.hellstrom@linux.intel.com, pallavi.mishra@intel.com Subject: [RFC v2 8/9] drm/xe/uapi: Add UAPI for purgeable bo state to madvise query response Date: Mon, 1 Dec 2025 11:20:18 +0530 Message-ID: <20251201055309.854074-9-arvind.yadav@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251201055309.854074-1-arvind.yadav@intel.com> References: <20251201055309.854074-1-arvind.yadav@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" From: Himal Prasad Ghimiray Complete the purgeable buffer object UAPI by adding the response structure to drm_xe_mem_range_attr for querying current purgeable state of buffer objects within a memory range. This allows userspace to determine the current state of BOs: - DRM_XE_VMA_PURGEABLE_STATE_WILLNEED (0): BO actively needed, has backing store - DRM_XE_VMA_PURGEABLE_STATE_DONTNEED (1): BO eligible for purging, still has backing - DRM_XE_VMA_PURGEABLE_STATE_PURGED (2): BO purged, backing store freed (read-only) Cc: Matthew Brost Cc: Thomas Hellström Signed-off-by: Himal Prasad Ghimiray Signed-off-by: Arvind Yadav --- include/uapi/drm/xe_drm.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 02d63938d16f..8f289a2849ff 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -2147,10 +2147,14 @@ struct drm_xe_madvise { * - DRM_XE_VMA_PURGEABLE_STATE_DONTNEED (1): Hints that BO is not * currently needed. Kernel may purge it under memory pressure. * Only applies to non-shared BOs. Returns retained=1 if not purged. + * + * - DRM_XE_VMA_PURGEABLE_STATE_PURGED: Read-only state indicating + * the BO purge state. */ struct { #define DRM_XE_VMA_PURGEABLE_STATE_WILLNEED 0 #define DRM_XE_VMA_PURGEABLE_STATE_DONTNEED 1 +#define DRM_XE_VMA_PURGEABLE_STATE_PURGED 2 /** @purge_state_val.val: value for DRM_XE_VMA_ATTR_PURGEABLE_STATE */ __u32 val; /** @@ -2224,6 +2228,15 @@ struct drm_xe_mem_range_attr { __u32 reserved; } pat_index; + /** @purge_state_val: Purgeable state configuration */ + struct { + /** @purge_state_val.val: value for DRM_XE_VMA_ATTR_PURGEABLE_STATE */ + __u32 val; + + /** @purge_state_val.reserved: Reserved */ + __u32 reserved; + } purge_state_val; + /** @reserved: Reserved */ __u64 reserved[2]; }; -- 2.43.0