From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga07-in.huawei.com (szxga07-in.huawei.com [45.249.212.35]) (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 9BDD613FFC; Fri, 9 Aug 2024 14:36:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.35 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723214201; cv=none; b=p+Emo2i5mJn8yoMAfwygV5/x9yFGo2qWDrFCo1NwcWs0LcyL9RG8W5ZjuAoLJaziC3pnSZ069JK7JD6Xorwqsxzya1qbLL0awT3C66BJu/F4wXpxh5mhxXugFDU5/sipHUwKXqLBpT2iYajl1WG/IFlyLfKjWYgiiZIIjgPgPMY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723214201; c=relaxed/simple; bh=eHN0OzcqiuAahgUMxCBPKqeaecfaUuOHwKDo/+UxO1A=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=eehjEQSBFPQ7r/I9sbSuqI22oC+qYhBKy6i4k4VVbwor0nnDpC10sImhR+Y/O/E+bFBtI6KYw67fQyRB2C6H4Br4iB7vX5WqQ/LZAlg7T/jSwoP4T0FFWCpJmRp3+NmzSofYa+VCu2ao18u5TwvqbZoIQSX+VmQnpmSpE4l34qw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.35 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com 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: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 > -----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