From patchwork Thu Nov 7 20:58:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 842130 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF7802185A3; Thu, 7 Nov 2024 20:58:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731013115; cv=none; b=owz4aDtb6GdNdHeoDQWVcew1o2TRYCG303jl3L4erCi/mkg6ZMRkNScGS8fe8nDOuM6pYiUG7oW/hO2ZtJdZzf47LEim5Esa3urT2vPao5qRJ8oYFBgRMLqUpyFMrsiC1+8Kv49WZGa6vaYnbrMB/bYujHNK47d6fmhFCv9qfF8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731013115; c=relaxed/simple; bh=cSMvJkX51N5SZd4M/a76wB0H3R/PAuQxBIejQHOLvpQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ZYPsNp6ed6NrB39HmG1fWw6wrrSouu0zx1WYP41ETdL/GvYNfoH0T+uHC754X3wmua7xKI5PjHenZFn5JkIosMmU6TjLyRfBFDdivpnbUo33rh2DomQRmuXM8qxbEwMRAmPmpYgXzOmHpBOi5z2/wqiX0OGYGZkbt8HWaTcmmh8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=cgqWGMrR; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="cgqWGMrR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1731013114; x=1762549114; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=cSMvJkX51N5SZd4M/a76wB0H3R/PAuQxBIejQHOLvpQ=; b=cgqWGMrRqzCfhY8EJcqQb2Y7O+k0gEv5oifSIHUAa43NCtmOtGviRSEh iqIVgFLsm6bXES2chAufqKmDj5Ij45zAeDO16wG72k5m9VyvLnLvEoqSU 8lzBOHNx0oNk22PmEQqemBpZQ4CTwfaiBx4B0TgmuncdiMwqMmr0zlfZd +Jn+asWwMrAncXKFCSPBBigSXoD3JJyXX2UFCNbJajaOGrZvmSS525/V8 s+PPAmOzTj5tH+R6dskNET8u57bVi7TZAm2aeXypfkAcIuTwSZDstU2K0 Zy9zL9aee1Xh+BAmpqGeZBQ6wcC4OofqmjpfnxI5PKtNJ6pXJ1qPXrmjn A==; X-CSE-ConnectionGUID: kt6V8aHURfC0RZb4HNNgOg== X-CSE-MsgGUID: C5enpCHqS3G+TZ56OWCKFw== X-IronPort-AV: E=McAfee;i="6700,10204,11249"; a="30300317" X-IronPort-AV: E=Sophos;i="6.12,136,1728975600"; d="scan'208";a="30300317" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Nov 2024 12:58:33 -0800 X-CSE-ConnectionGUID: JVKLk2P4TLSaUd1DIFL9SA== X-CSE-MsgGUID: zxiGuk0jSZee4Mz22ZEHeg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,136,1728975600"; d="scan'208";a="90093588" Received: from aschofie-mobl2.amr.corp.intel.com (HELO localhost) ([10.125.110.195]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Nov 2024 12:58:32 -0800 From: Ira Weiny Date: Thu, 07 Nov 2024 14:58:20 -0600 Subject: [PATCH v7 02/27] ACPI/CDAT: Add CDAT/DSMAS shared and read only flag values Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241107-dcd-type2-upstream-v7-2-56a84e66bc36@intel.com> References: <20241107-dcd-type2-upstream-v7-0-56a84e66bc36@intel.com> In-Reply-To: <20241107-dcd-type2-upstream-v7-0-56a84e66bc36@intel.com> To: Dave Jiang , Fan Ni , Jonathan Cameron , Navneet Singh , Jonathan Corbet , Andrew Morton Cc: Dan Williams , Davidlohr Bueso , Alison Schofield , Vishal Verma , Ira Weiny , linux-cxl@vger.kernel.org, linux-doc@vger.kernel.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, Robert Moore , Len Brown , "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev X-Mailer: b4 0.15-dev-2a633 X-Developer-Signature: v=1; a=ed25519-sha256; t=1731013104; l=1396; i=ira.weiny@intel.com; s=20221211; h=from:subject:message-id; bh=cSMvJkX51N5SZd4M/a76wB0H3R/PAuQxBIejQHOLvpQ=; b=z2BQlqBVQRzSIOea9aSZ3mKia0/yYjWvDVWSXOZmb9+T/4l35RyKgajzpDqsbaka1Sb+agahK anSxXg8dEN1DYqTcqqUY9ZV2pc/Vxksjh6VyGDUIWV6MiqayH97WPkG X-Developer-Key: i=ira.weiny@intel.com; a=ed25519; pk=noldbkG+Wp1qXRrrkfY1QJpDf7QsOEthbOT7vm0PqsE= The Coherent Device Attribute Table (CDAT) Device Scoped Memory Affinity Structure (DSMAS) version 1.04 [1] defines flags to indicate if a DPA range is read only and/or shared. Add read only and shareable flag definitions. This change was merged in ACPICA via PR 976.[2] Link: https://uefi.org/sites/default/files/resources/Coherent%20Device%20Attribute%20Table_1.04%20published_0.pdf [1] Link: https://github.com/acpica/acpica/pull/976 [2] Cc: Robert Moore Cc: Len Brown Cc: Rafael J. Wysocki Cc: linux-acpi@vger.kernel.org Cc: acpica-devel@lists.linux.dev Acked-by: Rafael J. Wysocki Signed-off-by: Ira Weiny --- include/acpi/actbl1.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 199afc2cd122ca8b383b1c9286f8c8cc33842fae..387fc821703a80b324637743f0d5afe03b8d7943 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -403,6 +403,8 @@ struct acpi_cdat_dsmas { /* Flags for subtable above */ #define ACPI_CDAT_DSMAS_NON_VOLATILE (1 << 2) +#define ACPI_CDAT_DSMAS_SHAREABLE (1 << 3) +#define ACPI_CDAT_DSMAS_READ_ONLY (1 << 6) /* Subtable 1: Device scoped Latency and Bandwidth Information Structure (DSLBIS) */