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Tsirkin" Subject: [PULL 18/42] HostIOMMUDevice: Store the VFIO/VDPA agent Date: Mon, 24 Jun 2024 23:24:32 +0200 Message-ID: <20240624212456.350919-19-clg@redhat.com> In-Reply-To: <20240624212456.350919-1-clg@redhat.com> References: <20240624212456.350919-1-clg@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 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=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 10 X-Spam_score: 1.0 X-Spam_bar: + X-Spam_report: (1.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.207, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: 1719264574751100005 Content-Type: text/plain; charset="utf-8" From: Eric Auger Store the agent device (VFIO or VDPA) in the host IOMMU device. This will allow easy access to some of its resources. Signed-off-by: Eric Auger Reviewed-by: Zhenzhong Duan Reviewed-by: Michael S. Tsirkin --- include/sysemu/host_iommu_device.h | 1 + hw/vfio/container.c | 1 + hw/vfio/iommufd.c | 2 ++ 3 files changed, 4 insertions(+) diff --git a/include/sysemu/host_iommu_device.h b/include/sysemu/host_iommu= _device.h index a57873958b03e1fcd6c0c8991a2010dde02c566c..3e5f058e7ba80491eae04dc73c6= 957f7269150cf 100644 --- a/include/sysemu/host_iommu_device.h +++ b/include/sysemu/host_iommu_device.h @@ -34,6 +34,7 @@ struct HostIOMMUDevice { Object parent_obj; =20 char *name; + void *agent; /* pointer to agent device, ie. VFIO or VDPA device */ HostIOMMUDeviceCaps caps; }; =20 diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 26e6f7fb4f748162d881cb22c970428f319df3c3..b728b978a26d49b5a2895fd4d1a= dd8f0a57787ad 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -1145,6 +1145,7 @@ static bool hiod_legacy_vfio_realize(HostIOMMUDevice = *hiod, void *opaque, =20 hiod->name =3D g_strdup(vdev->name); hiod->caps.aw_bits =3D vfio_device_get_aw_bits(vdev); + hiod->agent =3D opaque; =20 return true; } diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 409ed3dcc91cde508ac74fa693798b87e82eb9dd..dbdae1adbb66f9c8547659320ce= 4436825efe1a1 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -631,6 +631,8 @@ static bool hiod_iommufd_vfio_realize(HostIOMMUDevice *= hiod, void *opaque, struct iommu_hw_info_vtd vtd; } data; =20 + hiod->agent =3D opaque; + if (!iommufd_backend_get_device_info(vdev->iommufd, vdev->devid, &type, &data, sizeof(data), errp)= ) { return false; --=20 2.45.2