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a="10560725" X-IronPort-AV: E=Sophos;i="6.07,239,1708416000"; d="scan'208";a="10560725" X-CSE-ConnectionGUID: uCRjNM4ETrOBFlLyg3vs8w== X-CSE-MsgGUID: c7qiEA1bSnOUbVz8tp70fQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,239,1708416000"; d="scan'208";a="63488156" From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com, peterx@redhat.com, jasowang@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, kevin.tian@intel.com, yi.l.liu@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v3 11/19] backends/iommufd: Implement HostIOMMUDeviceClass::check_cap() handler Date: Mon, 29 Apr 2024 14:50:38 +0800 Message-Id: <20240429065046.3688701-12-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240429065046.3688701-1-zhenzhong.duan@intel.com> References: <20240429065046.3688701-1-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=192.198.163.16; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -44 X-Spam_score: -4.5 X-Spam_bar: ---- X-Spam_report: (-4.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.114, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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: 1714373718686100003 Suggested-by: C=C3=A9dric Le Goater Signed-off-by: Zhenzhong Duan --- backends/iommufd.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/backends/iommufd.c b/backends/iommufd.c index d61209788a..28faec528e 100644 --- a/backends/iommufd.c +++ b/backends/iommufd.c @@ -233,6 +233,23 @@ int iommufd_backend_get_device_info(IOMMUFDBackend *be= , uint32_t devid, return ret; } =20 +static int hiod_iommufd_check_cap(HostIOMMUDevice *hiod, int cap, Error **= errp) +{ + switch (cap) { + case HOST_IOMMU_DEVICE_CAP_IOMMUFD: + return 1; + default: + return host_iommu_device_check_cap_common(hiod, cap, errp); + } +} + +static void hiod_iommufd_class_init(ObjectClass *oc, void *data) +{ + HostIOMMUDeviceClass *hioc =3D HOST_IOMMU_DEVICE_CLASS(oc); + + hioc->check_cap =3D hiod_iommufd_check_cap; +}; + static const TypeInfo types[] =3D { { .name =3D TYPE_IOMMUFD_BACKEND, @@ -251,6 +268,7 @@ static const TypeInfo types[] =3D { .parent =3D TYPE_HOST_IOMMU_DEVICE, .instance_size =3D sizeof(HostIOMMUDeviceIOMMUFD), .class_size =3D sizeof(HostIOMMUDeviceIOMMUFDClass), + .class_init =3D hiod_iommufd_class_init, .abstract =3D true, } }; --=20 2.34.1