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[84.227.176.239]) by smtp.gmail.com with ESMTPSA id o7sm3695579wmc.41.2019.12.10.08.48.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Dec 2019 08:48:40 -0800 (PST) Date: Tue, 10 Dec 2019 17:48:36 +0100 From: Jean-Philippe Brucker To: Eric Auger Subject: Re: [PATCH for-5.0 v11 17/20] hw/arm/virt-acpi-build: Add virtio-iommu node in IORT table Message-ID: <20191210164836.GO277340@myrica> References: <20191122182943.4656-1-eric.auger@redhat.com> <20191122182943.4656-18-eric.auger@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191122182943.4656-18-eric.auger@redhat.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::443 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yang.zhong@intel.com, peter.maydell@linaro.org, kevin.tian@intel.com, tnowicki@marvell.com, mst@redhat.com, jean-philippe.brucker@arm.com, quintela@redhat.com, qemu-devel@nongnu.org, peterx@redhat.com, armbru@redhat.com, bharatb.linux@gmail.com, qemu-arm@nongnu.org, dgilbert@redhat.com, eric.auger.pro@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, Nov 22, 2019 at 07:29:40PM +0100, Eric Auger wrote: > This patch builds the virtio-iommu node in the ACPI IORT table. > > The RID space of the root complex, which spans 0x0-0x10000 > maps to streamid space 0x0-0x10000 in the virtio-iommu which in > turn maps to deviceid space 0x0-0x10000 in the ITS group. > > The iommu RID is excluded as described in virtio-iommu > specification. > > Signed-off-by: Eric Auger Reviewed-by: Jean-Philippe Brucker Although VIOT changes the layout of the IORT node slightly, the implementation should stay pretty much the same.