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a="25277640" X-IronPort-AV: E=Sophos;i="6.08,210,1712646000"; d="scan'208";a="25277640" X-CSE-ConnectionGUID: 3ECPSxN/Tb2dEEGN/Bd7MA== X-CSE-MsgGUID: 7WAopsgYRzSdZW/PMDL4xw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,210,1712646000"; d="scan'208";a="36855852" 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 v6 04/19] vfio/iommufd: Introduce TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO device Date: Mon, 3 Jun 2024 14:10:08 +0800 Message-Id: <20240603061023.269738-5-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240603061023.269738-1-zhenzhong.duan@intel.com> References: <20240603061023.269738-1-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=192.198.163.10; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -45 X-Spam_score: -4.6 X-Spam_bar: ---- X-Spam_report: (-4.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.142, 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, 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: 1717395296634100008 TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO represents a host IOMMU device under VFIO iommufd backend. It will be created during VFIO device attaching and passed to vIOMMU. It will have its own .realize() implementation. Suggested-by: C=C3=A9dric Le Goater Signed-off-by: Zhenzhong Duan --- include/hw/vfio/vfio-common.h | 3 +++ hw/vfio/iommufd.c | 5 ++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 75b167979a..56d1717211 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -32,6 +32,7 @@ #include "sysemu/sysemu.h" #include "hw/vfio/vfio-container-base.h" #include "sysemu/host_iommu_device.h" +#include "sysemu/iommufd.h" =20 #define VFIO_MSG_PREFIX "vfio %s: " =20 @@ -173,6 +174,8 @@ typedef struct VFIOGroup { } VFIOGroup; =20 #define TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO TYPE_HOST_IOMMU_DEVICE "-legacy= -vfio" +#define TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO \ + TYPE_HOST_IOMMU_DEVICE_IOMMUFD "-vfio" =20 typedef struct VFIODMABuf { QemuDmaBuf *buf; diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 554f9a6292..e4a507d55c 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -624,7 +624,10 @@ static const TypeInfo types[] =3D { .name =3D TYPE_VFIO_IOMMU_IOMMUFD, .parent =3D TYPE_VFIO_IOMMU, .class_init =3D vfio_iommu_iommufd_class_init, - }, + }, { + .name =3D TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO, + .parent =3D TYPE_HOST_IOMMU_DEVICE_IOMMUFD, + } }; =20 DEFINE_TYPES(types) --=20 2.34.1