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a="11161023" X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="11161023" X-CSE-ConnectionGUID: br2Og0hBTeee6N5fA17YOA== X-CSE-MsgGUID: Dt+wchmnRTuT/vLe6eUdrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="29226590" 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, clement.mathieu--drif@eviden.com, kevin.tian@intel.com, yi.l.liu@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v5 11/19] backends/iommufd: Implement HostIOMMUDeviceClass::get_cap() handler Date: Wed, 8 May 2024 17:03:46 +0800 Message-Id: <20240508090354.1815561-12-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240508090354.1815561-1-zhenzhong.duan@intel.com> References: <20240508090354.1815561-1-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=198.175.65.18; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.581, 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 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: 1715159354391100006 Suggested-by: C=C3=A9dric Le Goater Signed-off-by: Zhenzhong Duan --- backends/iommufd.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/backends/iommufd.c b/backends/iommufd.c index c7e969d6f7..f2f7a762a0 100644 --- a/backends/iommufd.c +++ b/backends/iommufd.c @@ -230,6 +230,28 @@ bool iommufd_backend_get_device_info(IOMMUFDBackend *b= e, uint32_t devid, return true; } =20 +static int hiod_iommufd_get_cap(HostIOMMUDevice *hiod, int cap, Error **er= rp) +{ + HostIOMMUDeviceCaps *caps =3D &hiod->caps; + + switch (cap) { + case HOST_IOMMU_DEVICE_CAP_IOMMU_TYPE: + return caps->type; + case HOST_IOMMU_DEVICE_CAP_AW_BITS: + return caps->aw_bits; + default: + error_setg(errp, "Not support get cap %x", cap); + return -EINVAL; + } +} + +static void hiod_iommufd_class_init(ObjectClass *oc, void *data) +{ + HostIOMMUDeviceClass *hioc =3D HOST_IOMMU_DEVICE_CLASS(oc); + + hioc->get_cap =3D hiod_iommufd_get_cap; +}; + static const TypeInfo types[] =3D { { .name =3D TYPE_IOMMUFD_BACKEND, @@ -246,6 +268,7 @@ static const TypeInfo types[] =3D { }, { .name =3D TYPE_HOST_IOMMU_DEVICE_IOMMUFD, .parent =3D TYPE_HOST_IOMMU_DEVICE, + .class_init =3D hiod_iommufd_class_init, .abstract =3D true, } }; --=20 2.34.1