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Wed, 04 Jun 2025 19:35:34 -0700 (PDT) X-Received: by 2002:a05:620a:394c:b0:7d0:9e4a:e42f with SMTP id af79cd13be357-7d21a8cd3b8mr786386885a.43.1749090934191; Wed, 04 Jun 2025 19:35:34 -0700 (PDT) Received: from [192.168.40.164] ([70.105.235.240]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7d09a1a7579sm1157074585a.106.2025.06.04.19.35.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Jun 2025 19:35:33 -0700 (PDT) Message-ID: Date: Wed, 4 Jun 2025 22:34:57 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/6] hw/arm/virt: Add support for user creatable SMMUv3 device To: Nathan Chen , Shameer Kolothum , qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: eric.auger@redhat.com, peter.maydell@linaro.org, jgg@nvidia.com, nicolinc@nvidia.com, berrange@redhat.com, mochs@nvidia.com, smostafa@google.com, linuxarm@huawei.com, wangzhou1@hisilicon.com, jiangkunkun@huawei.com, jonathan.cameron@huawei.com, zhangfei.gao@linaro.org References: <20250602154110.48392-1-shameerali.kolothum.thodi@huawei.com> <74d9f7a2-dbf4-48d5-bda8-847d1fc73e38@nvidia.com> From: Donald Dutile In-Reply-To: <74d9f7a2-dbf4-48d5-bda8-847d1fc73e38@nvidia.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: nujJHvQSVzqvvPFv8iwNUNG_ehwMEc3LChsZvCOPwt0_1749090934 X-Mimecast-Originator: redhat.com Content-Language: en-US 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: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.128, 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: SEXhTcBq3Z7D On 6/4/25 10:02 PM, Nathan Chen wrote: > On 6/2/2025 8:41 AM, Shameer Kolothum wrote: >> This patch series introduces support for a user-creatable SMMUv3 device >> (-device arm-smmuv3) in QEMU. > > Tested-by: Nathan Chen > > I am able to create 16 SMMUv3 devices in a qemu VM with emulated devices properly associated with the guest SMMUs in guest sysfs - verified with some guest SMMUs having two or three emulated NICs assigned to them while other guest SMMUs have a minimum of one assigned. > > Thanks, > Nathan > Nathan, Great test! Can you share the xml &/or qemu cmdline, to demonstrate this broad capability? Also would be a good reference when (we know it isn't 'if') a new/different config that wasn't tested shows a bug, and we'll have more info to work with. Thanks, Don