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a="10560668" X-IronPort-AV: E=Sophos;i="6.07,239,1708416000"; d="scan'208";a="10560668" X-CSE-ConnectionGUID: taf2hIqGQt2UTZBWUvtJGw== X-CSE-MsgGUID: kibbwi5WSy+FD9AB19/OyQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,239,1708416000"; d="scan'208";a="63487957" 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 02/19] vfio/container: Introduce HostIOMMUDeviceLegacyVFIO device Date: Mon, 29 Apr 2024 14:50:29 +0800 Message-Id: <20240429065046.3688701-3-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: 1714373678773100001 HostIOMMUDeviceLegacyVFIO represents a host IOMMU device under VFIO legacy container backend. It includes a link to VFIODevice. Suggested-by: Eric Auger Suggested-by: C=C3=A9dric Le Goater Signed-off-by: Zhenzhong Duan --- include/hw/vfio/vfio-common.h | 12 ++++++++++++ hw/vfio/container.c | 6 +++++- 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index b9da6c08ef..aa3abe0a18 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -31,6 +31,7 @@ #endif #include "sysemu/sysemu.h" #include "hw/vfio/vfio-container-base.h" +#include "sysemu/host_iommu_device.h" =20 #define VFIO_MSG_PREFIX "vfio %s: " =20 @@ -147,6 +148,17 @@ typedef struct VFIOGroup { bool ram_block_discard_allowed; } VFIOGroup; =20 +#define TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO TYPE_HOST_IOMMU_DEVICE "-legacy= -vfio" +OBJECT_DECLARE_SIMPLE_TYPE(HostIOMMUDeviceLegacyVFIO, + HOST_IOMMU_DEVICE_LEGACY_VFIO) + +/* Abstract of host IOMMU device with VFIO legacy container backend */ +struct HostIOMMUDeviceLegacyVFIO { + HostIOMMUDevice parent_obj; + + VFIODevice *vdev; +}; + typedef struct VFIODMABuf { QemuDmaBuf buf; uint32_t pos_x, pos_y, pos_updates; diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 77bdec276e..3b6826996a 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -1148,7 +1148,11 @@ static const TypeInfo types[] =3D { .name =3D TYPE_VFIO_IOMMU_LEGACY, .parent =3D TYPE_VFIO_IOMMU, .class_init =3D vfio_iommu_legacy_class_init, - }, + }, { + .name =3D TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO, + .parent =3D TYPE_HOST_IOMMU_DEVICE, + .instance_size =3D sizeof(HostIOMMUDeviceLegacyVFIO), + } }; =20 DEFINE_TYPES(types) --=20 2.34.1