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vfio/migration: Multifd setup/cleanup functions and associated VFIOMultifd

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Add multifd setup/cleanup functions and an associated VFIOMultifd data
structure that will contain most of the receive-side data together
with its init/cleanup methods.

Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/c0520523053b1087787152ddf2163257d3030be0.1741124640.git.maciej.szmigiero@oracle.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Maciej S. Szmigiero 2025-03-04 23:03:51 +01:00 • committed by Cédric Le Goater
parent 2efa35d34e
commit ff2fd1f7e2
3 changed files with 51 additions and 0 deletions
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3
include/hw/vfio/vfio-common.h
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@ -78,6 +78,8 @@ typedef struct VFIORegion {
uint8_t nr; /* cache the region number for debug */
} VFIORegion;
typedef struct VFIOMultifd VFIOMultifd;
typedef struct VFIOMigration {
struct VFIODevice *vbasedev;
VMChangeStateEntry *vm_state;
@ -89,6 +91,7 @@ typedef struct VFIOMigration {
uint64_t mig_flags;
uint64_t precopy_init_size;
uint64_t precopy_dirty_size;
VFIOMultifd *multifd;
bool initial_data_sent;
bool event_save_iterate_started;