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Tsirkin" Subject: [PULL 4/9] HostIOMMUDevice: Introduce get_page_size_mask() callback Date: Tue, 9 Jul 2024 13:50:12 +0200 Message-ID: <20240709115017.798043-5-clg@redhat.com> In-Reply-To: <20240709115017.798043-1-clg@redhat.com> References: <20240709115017.798043-1-clg@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 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: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.144, 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, 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 From: Eric Auger This callback will be used to retrieve the page size mask supported along a given Host IOMMU device. Signed-off-by: Eric Auger Reviewed-by: Zhenzhong Duan Reviewed-by: Cédric Le Goater Reviewed-by: Michael S. Tsirkin --- include/hw/vfio/vfio-container-base.h | 7 +++++++ include/sysemu/host_iommu_device.h | 8 ++++++++ hw/vfio/container.c | 10 ++++++++++ hw/vfio/iommufd.c | 11 +++++++++++ 4 files changed, 36 insertions(+) diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h index 45d7c40fce8f4f3508cbc08b436b2db1dfaa01e4..62a8b60d87db263225147a21eff2ef6e21cb22df 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -88,6 +88,13 @@ int vfio_container_query_dirty_bitmap(const VFIOContainerBase *bcontainer, GList *vfio_container_get_iova_ranges(const VFIOContainerBase *bcontainer); +static inline uint64_t +vfio_container_get_page_size_mask(const VFIOContainerBase *bcontainer) +{ + assert(bcontainer); + return bcontainer->pgsizes; +} + #define TYPE_VFIO_IOMMU "vfio-iommu" #define TYPE_VFIO_IOMMU_LEGACY TYPE_VFIO_IOMMU "-legacy" #define TYPE_VFIO_IOMMU_SPAPR TYPE_VFIO_IOMMU "-spapr" diff --git a/include/sysemu/host_iommu_device.h b/include/sysemu/host_iommu_device.h index 05c7324a0d1ccd2e30bc42ca1f0353e55361500a..c1bf74ae2c7a729b22d6512f3ca37ce65fa6bcec 100644 --- a/include/sysemu/host_iommu_device.h +++ b/include/sysemu/host_iommu_device.h @@ -89,6 +89,14 @@ struct HostIOMMUDeviceClass { * @hiod: handle to the host IOMMU device */ GList* (*get_iova_ranges)(HostIOMMUDevice *hiod); + /** + * + * @get_page_size_mask: Return the page size mask supported along this + * @hiod Host IOMMU device + * + * @hiod: handle to the host IOMMU device + */ + uint64_t (*get_page_size_mask)(HostIOMMUDevice *hiod); }; /* diff --git a/hw/vfio/container.c b/hw/vfio/container.c index ddd835996cfae13dcab01e53fd381ace1cdae668..425db1a14c076fd6eaca0d25e06237e4e21fb798 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -1173,6 +1173,15 @@ hiod_legacy_vfio_get_iova_ranges(HostIOMMUDevice *hiod) return vfio_container_get_iova_ranges(vdev->bcontainer); } +static uint64_t +hiod_legacy_vfio_get_page_size_mask(HostIOMMUDevice *hiod) +{ + VFIODevice *vdev = hiod->agent; + + g_assert(vdev); + return vfio_container_get_page_size_mask(vdev->bcontainer); +} + static void vfio_iommu_legacy_instance_init(Object *obj) { VFIOContainer *container = VFIO_IOMMU_LEGACY(obj); @@ -1187,6 +1196,7 @@ static void hiod_legacy_vfio_class_init(ObjectClass *oc, void *data) hioc->realize = hiod_legacy_vfio_realize; hioc->get_cap = hiod_legacy_vfio_get_cap; hioc->get_iova_ranges = hiod_legacy_vfio_get_iova_ranges; + hioc->get_page_size_mask = hiod_legacy_vfio_get_page_size_mask; }; static const TypeInfo types[] = { diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 211e7223f150ee3c8447a9c454c5a3528860682f..7b5f87a1488111f7b88ce7588db4f5e5bd976978 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -652,12 +652,23 @@ hiod_iommufd_vfio_get_iova_ranges(HostIOMMUDevice *hiod) return vfio_container_get_iova_ranges(vdev->bcontainer); } +static uint64_t +hiod_iommufd_vfio_get_page_size_mask(HostIOMMUDevice *hiod) +{ + VFIODevice *vdev = hiod->agent; + + g_assert(vdev); + return vfio_container_get_page_size_mask(vdev->bcontainer); +} + + static void hiod_iommufd_vfio_class_init(ObjectClass *oc, void *data) { HostIOMMUDeviceClass *hiodc = HOST_IOMMU_DEVICE_CLASS(oc); hiodc->realize = hiod_iommufd_vfio_realize; hiodc->get_iova_ranges = hiod_iommufd_vfio_get_iova_ranges; + hiodc->get_page_size_mask = hiod_iommufd_vfio_get_page_size_mask; }; static const TypeInfo types[] = {