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a="13067484" X-IronPort-AV: E=Sophos;i="6.04,196,1695711600"; d="scan'208";a="13067484" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10953"; a="874065322" X-IronPort-AV: E=Sophos;i="6.04,196,1695711600"; d="scan'208";a="874065322" From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, peterx@redhat.com, jasowang@redhat.com, mst@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH rfcv1 04/23] vfio: implement IOMMUFDDevice interface callbacks Date: Mon, 15 Jan 2024 18:37:16 +0800 Message-Id: <20240115103735.132209-5-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240115103735.132209-1-zhenzhong.duan@intel.com> References: <20240115103735.132209-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 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=192.198.163.8; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -48 X-Spam_score: -4.9 X-Spam_bar: ---- X-Spam_report: (-4.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.758, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 1705315283361100003 Content-Type: text/plain; charset="utf-8" Implement IOMMUFDDevice interface callbacks attach_hwpt/detach_hwpt for vIOMMU usage. vIOMMU utilizes them to attach to or detach from hwpt on host side. Signed-off-by: Yi Liu Signed-off-by: Zhenzhong Duan --- hw/vfio/iommufd.c | 36 +++++++++++++++++++++++++++++++++++- 1 file changed, 35 insertions(+), 1 deletion(-) diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 1b174b71ee..c8c669c59a 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -26,6 +26,8 @@ #include "qemu/chardev_open.h" #include "pci.h" =20 +static IOMMUFDDeviceOps vfio_iommufd_device_ops; + static int iommufd_cdev_map(const VFIOContainerBase *bcontainer, hwaddr io= va, ram_addr_t size, void *vaddr, bool readonly) { @@ -430,7 +432,7 @@ found_container: QLIST_INSERT_HEAD(&vfio_device_list, vbasedev, global_next); =20 iommufd_device_init(idev, sizeof(*idev), container->be, vbasedev->devi= d, - NULL); + &vfio_iommufd_device_ops); trace_iommufd_cdev_device_info(vbasedev->name, devfd, vbasedev->num_ir= qs, vbasedev->num_regions, vbasedev->flags); return 0; @@ -642,3 +644,35 @@ static const TypeInfo types[] =3D { }; =20 DEFINE_TYPES(types) + +static int vfio_iommufd_device_attach_hwpt(IOMMUFDDevice *idev, + uint32_t hwpt_id) +{ + VFIODevice *vbasedev =3D container_of(idev, VFIODevice, idev); + Error *err =3D NULL; + int ret; + + ret =3D iommufd_cdev_attach_ioas_hwpt(vbasedev, hwpt_id, &err); + if (err) { + error_report_err(err); + } + return ret; +} + +static int vfio_iommufd_device_detach_hwpt(IOMMUFDDevice *idev) +{ + VFIODevice *vbasedev =3D container_of(idev, VFIODevice, idev); + Error *err =3D NULL; + int ret; + + ret =3D iommufd_cdev_detach_ioas_hwpt(vbasedev, &err); + if (err) { + error_report_err(err); + } + return ret; +} + +static IOMMUFDDeviceOps vfio_iommufd_device_ops =3D { + .attach_hwpt =3D vfio_iommufd_device_attach_hwpt, + .detach_hwpt =3D vfio_iommufd_device_detach_hwpt, +}; --=20 2.34.1