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a="402676666" X-IronPort-AV: E=Sophos;i="6.05,234,1701158400"; d="scan'208";a="402676666" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,234,1701158400"; d="scan'208";a="4443212" 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 rfcv2 04/18] vfio: Add host iommu device instance into VFIODevice Date: Thu, 1 Feb 2024 15:28:04 +0800 Message-Id: <20240201072818.327930-5-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240201072818.327930-1-zhenzhong.duan@intel.com> References: <20240201072818.327930-1-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=192.55.52.120; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -56 X-Spam_score: -5.7 X-Spam_bar: ----- X-Spam_report: (-5.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.292, 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: 1706772695914100001 Content-Type: text/plain; charset="utf-8" Either IOMMULegacyDevice or IOMMUFDDevice into VFIODevice, neither both. Signed-off-by: Zhenzhong Duan --- include/hw/vfio/vfio-common.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 8bfb9cbe94..1bbad003ee 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 @@ -132,8 +133,18 @@ typedef struct VFIODevice { bool dirty_tracking; int devid; IOMMUFDBackend *iommufd; + union { + HostIOMMUDevice base_hdev; + IOMMULegacyDevice legacy_dev; + IOMMUFDDevice iommufd_dev; + }; } VFIODevice; =20 +QEMU_BUILD_BUG_ON(offsetof(VFIODevice, legacy_dev.base) !=3D + offsetof(VFIODevice, base_hdev)); +QEMU_BUILD_BUG_ON(offsetof(VFIODevice, iommufd_dev.base) !=3D + offsetof(VFIODevice, base_hdev)); + struct VFIODeviceOps { void (*vfio_compute_needs_reset)(VFIODevice *vdev); int (*vfio_hot_reset_multi)(VFIODevice *vdev); --=20 2.34.1