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| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2016-01-06 12:23:38 +0000 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-01-09 23:20:20 +0200 |
| commit | 2cf0148674430b6693c60d42b7eef721bfa9509f (patch) | |
| tree | 83d6fe334b6790836919096c656790fcc51f2f95 | |
| parent | 424e4a87d20027acf52e65f322a2100460162a49 (diff) | |
Add VMSTATE_STRUCT_VARRAY_KNOWN
At the moment we have VMSTATE_STRUCT_ARRAY that requires
the field is declared as an array of fixed size.
We also have VMSTATE_STRUCT_VARRAY_UINT* that allows
a field declared as a pointer, but requires that the length
is a field member in the structure being loaded/saved.
VMSTATE_STRUCT_VARRAY_KNOWN is for arrays defined as pointers
yet we somehow know the length of.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
| -rw-r--r-- | include/migration/vmstate.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h index 7267e38c1f..97d44d3953 100644 --- a/include/migration/vmstate.h +++ b/include/migration/vmstate.h @@ -374,6 +374,19 @@ extern const VMStateInfo vmstate_info_bitmap; .offset = vmstate_offset_array(_state, _field, _type, _num),\ } +/* a variable length array (i.e. _type *_field) but we know the + * length + */ +#define VMSTATE_STRUCT_VARRAY_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \ + .name = (stringify(_field)), \ + .num = (_num), \ + .version_id = (_version), \ + .vmsd = &(_vmsd), \ + .size = sizeof(_type), \ + .flags = VMS_STRUCT|VMS_ARRAY, \ + .offset = offsetof(_state, _field), \ +} + #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \ .name = (stringify(_field)), \ .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \ |