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a="60942064" X-IronPort-AV: E=Sophos;i="6.16,195,1744095600"; d="scan'208";a="60942064" X-CSE-ConnectionGUID: hw/H8Z29T7uKDAu3qkYvyw== X-CSE-MsgGUID: sQP9XL7FRSCH5Om7xUyU5A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,195,1744095600"; d="scan'208";a="143788743" From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com, jasowang@redhat.com, peterx@redhat.com, ddutile@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, shameerali.kolothum.thodi@huawei.com, joao.m.martins@oracle.com, clement.mathieu--drif@eviden.com, kevin.tian@intel.com, yi.l.liu@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v2 3/4] vfio/iommufd: Implement [at|de]tach_hwpt handlers Date: Fri, 30 May 2025 17:35:11 +0800 Message-Id: <20250530093512.3959484-4-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250530093512.3959484-1-zhenzhong.duan@intel.com> References: <20250530093512.3959484-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=198.175.65.11; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -72 X-Spam_score: -7.3 X-Spam_bar: ------- X-Spam_report: (-7.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.902, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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 @intel.com) X-ZM-MESSAGEID: 1748597990195116600 Implement [at|de]tach_hwpt handlers in VFIO subsystem. vIOMMU utilizes them to attach to or detach from hwpt on host side. Signed-off-by: Yi Liu Signed-off-by: Zhenzhong Duan Reviewed-by: C=C3=A9dric Le Goater Reviewed-by: Eric Auger Reviewed-by: Nicolin Chen --- hw/vfio/iommufd.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 5fde2b633a..d661737c17 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -810,6 +810,24 @@ static void vfio_iommu_iommufd_class_init(ObjectClass = *klass, const void *data) vioc->query_dirty_bitmap =3D iommufd_query_dirty_bitmap; }; =20 +static bool +host_iommu_device_iommufd_vfio_attach_hwpt(HostIOMMUDeviceIOMMUFD *idev, + uint32_t hwpt_id, Error **errp) +{ + VFIODevice *vbasedev =3D HOST_IOMMU_DEVICE(idev)->agent; + + return !iommufd_cdev_attach_ioas_hwpt(vbasedev, hwpt_id, errp); +} + +static bool +host_iommu_device_iommufd_vfio_detach_hwpt(HostIOMMUDeviceIOMMUFD *idev, + Error **errp) +{ + VFIODevice *vbasedev =3D HOST_IOMMU_DEVICE(idev)->agent; + + return iommufd_cdev_detach_ioas_hwpt(vbasedev, errp); +} + static bool hiod_iommufd_vfio_realize(HostIOMMUDevice *hiod, void *opaque, Error **errp) { @@ -864,10 +882,14 @@ hiod_iommufd_vfio_get_page_size_mask(HostIOMMUDevice = *hiod) static void hiod_iommufd_vfio_class_init(ObjectClass *oc, const void *data) { HostIOMMUDeviceClass *hiodc =3D HOST_IOMMU_DEVICE_CLASS(oc); + HostIOMMUDeviceIOMMUFDClass *idevc =3D HOST_IOMMU_DEVICE_IOMMUFD_CLASS= (oc); =20 hiodc->realize =3D hiod_iommufd_vfio_realize; hiodc->get_iova_ranges =3D hiod_iommufd_vfio_get_iova_ranges; hiodc->get_page_size_mask =3D hiod_iommufd_vfio_get_page_size_mask; + + idevc->attach_hwpt =3D host_iommu_device_iommufd_vfio_attach_hwpt; + idevc->detach_hwpt =3D host_iommu_device_iommufd_vfio_detach_hwpt; }; =20 static const TypeInfo types[] =3D { --=20 2.34.1