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vfio/common: Extract out vfio_kvm_device_[add/del]_fd

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Introduce two new helpers, vfio_kvm_device_[add/del]_fd
which take as input a file descriptor which can be either a group fd or
a cdev fd. This uses the new KVM_DEV_VFIO_FILE VFIO KVM device group,
which aliases to the legacy KVM_DEV_VFIO_GROUP.

vfio_kvm_device_[add/del]_group then call those new helpers.

Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Zhenzhong Duan 2023-10-09 11:09:08 +02:00 • committed by Cédric Le Goater
parent a33832b194
commit 5621c02d5a
2 changed files with 49 additions and 23 deletions
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3
include/hw/vfio/vfio-common.h
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@ -226,6 +226,9 @@ struct vfio_device_info *vfio_get_device_info(int fd);
int vfio_get_device(VFIOGroup *group, const char *name,
VFIODevice *vbasedev, Error **errp);
int vfio_kvm_device_add_fd(int fd, Error **errp);
int vfio_kvm_device_del_fd(int fd, Error **errp);
extern const MemoryRegionOps vfio_region_ops;
typedef QLIST_HEAD(VFIOGroupList, VFIOGroup) VFIOGroupList;
extern VFIOGroupList vfio_group_list;