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Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Akihiko Odaki , Lei Yang , Jason Wang Subject: [PULL 1/2] virtio-net: Fix num_buffers for version 1 Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.649, 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=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1743715076665019100 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Akihiko Odaki The specification says the device MUST set num_buffers to 1 if VIRTIO_NET_F_MRG_RXBUF has not been negotiated. Fixes: df91055db5c9 ("virtio-net: enable virtio 1.0") Signed-off-by: Akihiko Odaki Message-Id: <20250108-buffers-v1-1-a0c85ff31aeb@daynix.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Tested-by: Lei Yang Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/net/virtio-net.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index de87cfadff..340c6b6422 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -1999,6 +1999,8 @@ static ssize_t virtio_net_receive_rcu(NetClientState = *nc, const uint8_t *buf, offsetof(typeof(hdr), virtio_net.hdr.num_buffers), sizeof(hdr.virtio_net.hdr.num_buffers)= ); + } else { + hdr.virtio_net.hdr.num_buffers =3D cpu_to_le16(1); } =20 guest_offset =3D n->has_vnet_hdr ? --=20 MST From nobody Sun Nov 16 04:04:51 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1743715067; cv=none; d=zohomail.com; s=zohoarc; b=Fg4X0EAgHPJP4ICBKtAeVuHArmMkbwOqUCsr6596km7/GB6J9Kguf2oD/CIWAcLs/AhJ/8S8IQ9OmlyugmxgUsdK89aGRFqwVjnjSSFbKGVh6XTX2/ohg1olZeCDLE9CUc4OKI/MNJUXCyKSgsjciCBwktMHUkJyQpxDavaotjk= ARC-Message-Signature: i=1; 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Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Suravee Suthikulpanit , Daniel P =?utf-8?B?LiBCZXJyYW5nw6k=?= , Yan Vugenfirer , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Eduardo Habkost Subject: [PULL 2/2] hw/i386/amd_iommu: Assign pci-id 0x1419 for the AMD IOMMU device Message-ID: <719255486df2fcbe1b8599786b37f4bb80272f1a.1743715021.git.mst@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.649, 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=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1743715068707019100 From: Suravee Suthikulpanit Currently, the QEMU-emulated AMD IOMMU device use PCI vendor id 0x1022 (AMD) with device id zero (undefined). Eventhough this does not cause any functional issue for AMD IOMMU driver since it normally uses information in the ACPI IVRS table to probe and initialize the device per recommendation in the AMD IOMMU specification, the device id zero causes the Windows Device Manager utility to show the device as an unknown device. Since Windows only recognizes AMD IOMMU device with device id 0x1419 as listed in the machine.inf file, modify the QEMU AMD IOMMU model to use the id 0x1419 to avoid the issue. This advertise the IOMMU as the AMD IOMMU device for Family 15h (Models 10h-1fh). Signed-off-by: Suravee Suthikulpanit Message-Id: <20250325021140.5676-1-suravee.suthikulpanit@amd.com> Reviewed-by: Daniel P. Berrang=C3=A9 Reviewed-by: Yan Vugenfirer Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/amd_iommu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index 5b21cf134a..5f9b952799 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -1706,6 +1706,7 @@ static void amdvi_pci_class_init(ObjectClass *klass, = void *data) PCIDeviceClass *k =3D PCI_DEVICE_CLASS(klass); =20 k->vendor_id =3D PCI_VENDOR_ID_AMD; + k->device_id =3D 0x1419; k->class_id =3D 0x0806; k->realize =3D amdvi_pci_realize; =20 --=20 MST