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vfio/common: Introduce a global VFIODevice list

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Some functions iterate over all the VFIODevices. This is currently
achieved by iterating over all groups/devices. Let's
introduce a global list of VFIODevices simplifying that scan.

This will also be useful while migrating to IOMMUFD by hiding the
group specificity.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Zhenzhong Duan 2023-10-09 11:09:16 +02:00 • committed by Cédric Le Goater
parent 0bddd88027
commit 3d779abafe
2 changed files with 21 additions and 26 deletions
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2
include/hw/vfio/vfio-common.h
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@ -131,6 +131,7 @@ typedef struct VFIODeviceOps VFIODeviceOps;
typedef struct VFIODevice {
QLIST_ENTRY(VFIODevice) next;
QLIST_ENTRY(VFIODevice) container_next;
QLIST_ENTRY(VFIODevice) global_next;
struct VFIOGroup *group;
VFIOContainer *container;
char *sysfsdev;
@ -232,6 +233,7 @@ int vfio_kvm_device_del_fd(int fd, Error **errp);
extern const MemoryRegionOps vfio_region_ops;
typedef QLIST_HEAD(VFIOGroupList, VFIOGroup) VFIOGroupList;
typedef QLIST_HEAD(VFIODeviceList, VFIODevice) VFIODeviceList;
extern VFIOGroupList vfio_group_list;
bool vfio_mig_active(void);