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Wed, 05 Mar 2025 12:28:57 -0800 (PST) X-Google-Smtp-Source: AGHT+IEaFpm3XdjhvzKIqBrzYyHIuRA6tJwcHnsz3Q84K2EFrriPFMhlE9uTUegj0PW3iC9KcadP5A== X-Received: by 2002:a05:620a:6285:b0:7c0:b350:820 with SMTP id af79cd13be357-7c3e39b1392mr108096885a.5.1741206537326; Wed, 05 Mar 2025 12:28:57 -0800 (PST) Received: from [192.168.40.164] ([70.105.235.240]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c378d9e3f9sm924417585a.76.2025.03.05.12.28.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 05 Mar 2025 12:28:56 -0800 (PST) Message-ID: <24e0aff1-f95d-4da5-abc9-a16e71d0a4ac@redhat.com> Date: Wed, 5 Mar 2025 15:28:51 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] pci-ids.rst: Add Red Hat pci-id for AMD IOMMU device Content-Language: en-US To: "Suthikulpanit, Suravee" , qemu-devel@nongnu.org Cc: pbonzini@redhat.com, mtosatti@redhat.com, mst@redhat.com, marcel.apfelbaum@gmail.com, jon.grimm@amd.com, santosh.shukla@amd.com, vasant.hegde@amd.com, Wei.Huang2@amd.com, kraxel@redhat.com, bsd@redhat.com, berrange@redhat.com References: <20250304183747.639382-1-suravee.suthikulpanit@amd.com> <61205b17-3556-45d5-87b2-347a9b2c2b69@amd.com> From: Donald Dutile In-Reply-To: <61205b17-3556-45d5-87b2-347a9b2c2b69@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=ddutile@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 3/4/25 9:56 PM, Suthikulpanit, Suravee wrote: > > > On 3/5/2025 6:02 AM, Donald Dutile wrote: >> Hi Suravee! >> >> Not your issue, but wondering if others know: >> >> Why isn't this an issue for Intel-vtd-iommu & ARM-SMMUV3 ? >> Are they instantiated as non-PCI-id (platform) devices, but AMD puts their IOMMU in PCI space? >> >> Adv. thanks for the info. > > Unlike AMD IOMMU, Intel VT-d IOMMU and ARM SMMUV3 are not enumerated as a PCI device in the system. > > Thanks, > Suravee > ok. thanks for confirmation. --dd