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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 A7F1BC52D7C for ; Fri, 9 Aug 2024 14:37:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version: Content-Transfer-Encoding:Content-Type:In-Reply-To:References:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=QpYa+H4dMlaxjh6KvMZebB/2ZYnq5sopvjZjvoU3AK4=; b=093PDNaEfeLT8Q53rYA1BRiNWv 6XywnxdTCkORtqHZRFNJZN0hpa6hLSuZUi/asDoUbnaIUcGC2Wx1QgHEobW81fQAjQKWVPgXzuGwC 4bvYYFSy1JwZLLycjoUPR0NX9VyQglMClfRQikgcB6ql2UZxzbWRfXx14rq1Ppkca+SJxcW54HauL AbgIhZkk6uYvxu3Sg2uBplyAe8RsAWpjTLt0dj9C33VDdEhOtZIkUSOKGrOm+4tfRHY0vQjBaPdqQ 2dbe6iVwasSZX1ySqFAOkJ7M7KOtGbNgezfEftBxX4K+k1ECy9CCJc5gzGfeZ4aJMc/nStNtAthGQ fvnFJCtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1scQk5-0000000BZ36-2Lcx; Fri, 09 Aug 2024 14:37:21 +0000 Received: from szxga07-in.huawei.com ([45.249.212.35]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1scQjU-0000000BYwo-3Inj for linux-arm-kernel@lists.infradead.org; Fri, 09 Aug 2024 14:36:46 +0000 Received: from mail.maildlp.com (unknown [172.19.88.163]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4WgRF02Bfwz1S76G; Fri, 9 Aug 2024 22:31:48 +0800 (CST) Received: from dggpemf500003.china.huawei.com (unknown [7.185.36.204]) by mail.maildlp.com (Postfix) with ESMTPS id 6779A18002B; Fri, 9 Aug 2024 22:36:34 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (7.191.163.240) by dggpemf500003.china.huawei.com (7.185.36.204) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 9 Aug 2024 22:36:33 +0800 Received: from lhrpeml500005.china.huawei.com ([7.191.163.240]) by lhrpeml500005.china.huawei.com ([7.191.163.240]) with mapi id 15.01.2507.039; Fri, 9 Aug 2024 15:36:31 +0100 From: Shameerali Kolothum Thodi To: Jason Gunthorpe , "acpica-devel@lists.linux.dev" , Alex Williamson , "Guohanjun (Hanjun Guo)" , "iommu@lists.linux.dev" , Joerg Roedel , Kevin Tian , "kvm@vger.kernel.org" , "Len Brown" , "linux-acpi@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Lorenzo Pieralisi , "Rafael J. Wysocki" , "Robert Moore" , Robin Murphy , "Sudeep Holla" , Will Deacon CC: Eric Auger , Jean-Philippe Brucker , Moritz Fischer , Michael Shavit , Nicolin Chen , "patches@lists.linux.dev" Subject: RE: [PATCH 3/8] ACPI/IORT: Support CANWBS memory access flag Thread-Topic: [PATCH 3/8] ACPI/IORT: Support CANWBS memory access flag Thread-Index: AQHa6FotpRfMo8Wi40urDv/LZ+pM/rIfAPiQ Date: Fri, 9 Aug 2024 14:36:31 +0000 Message-ID: References: <0-v1-54e734311a7f+14f72-smmuv3_nesting_jgg@nvidia.com> <3-v1-54e734311a7f+14f72-smmuv3_nesting_jgg@nvidia.com> In-Reply-To: <3-v1-54e734311a7f+14f72-smmuv3_nesting_jgg@nvidia.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.203.177.241] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240809_073645_175712_0C506EC3 X-CRM114-Status: GOOD ( 11.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > -----Original Message----- > From: Jason Gunthorpe > Sent: Wednesday, August 7, 2024 12:41 AM > To: acpica-devel@lists.linux.dev; Alex Williamson > ; Guohanjun (Hanjun Guo) > ; iommu@lists.linux.dev; Joerg Roedel > ; Kevin Tian ; kvm@vger.kernel.org= ; > Len Brown ; linux-acpi@vger.kernel.org; linux-arm- > kernel@lists.infradead.org; Lorenzo Pieralisi ; Ra= fael J. > Wysocki ; Robert Moore ; Robin > Murphy ; Sudeep Holla ; > Will Deacon > Cc: Eric Auger ; Jean-Philippe Brucker philippe@linaro.org>; Moritz Fischer ; Michael Shavit > ; Nicolin Chen ; > patches@lists.linux.dev; Shameerali Kolothum Thodi > > Subject: [PATCH 3/8] ACPI/IORT: Support CANWBS memory access flag >=20 > From: Nicolin Chen >=20 > The IORT spec, Issue E.f (April 2024), adds a new CANWBS bit to the Memor= y > Access Flag field in the Memory Access Properties table, mainly for a PCI > Root Complex. ... > diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h > index e27958ef82642f..56ce7fc35312c8 100644 > --- a/include/acpi/actbl2.h > +++ b/include/acpi/actbl2.h > @@ -524,6 +524,7 @@ struct acpi_iort_memory_access { >=20 > #define ACPI_IORT_MF_COHERENCY (1) > #define ACPI_IORT_MF_ATTRIBUTES (1<<1) > +#define ACPI_IORT_MF_CANWBS (1<<2) I think we need to update Document number to E.f in IORT section in=20 this file. Also isn't it this file normally gets updated through ACPICA pul= l ? Thanks, Shameer