On 27/05/16 17:54, Alexey Kardashevskiy wrote: > On 04/05/16 16:52, Alexey Kardashevskiy wrote: >> This allows dynamic allocation for migrating arrays. >> >> Already existing VMSTATE_VARRAY_UINT32 requires an array to be >> pre-allocated, however there are cases when the size is not known in >> advance and there is no real need to enforce it. >> >> This defines another variant of VMSTATE_VARRAY_UINT32 with WMS_ALLOC >> flag which tells the receiving side to allocate memory for the array >> before receiving the data. >> >> The first user of it is a dynamic DMA window which existence and size >> are totally dynamic. >> >> Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru> >> Reviewed-by: David Gibson <da...@gibson.dropbear.id.au> >> Reviewed-by: Thomas Huth <th...@redhat.com> > > > In what tree is this going to go? pseries? Or migration?
Anyone? > > > >> --- >> include/migration/vmstate.h | 10 ++++++++++ >> 1 file changed, 10 insertions(+) >> >> diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h >> index 84ee355..1622638 100644 >> --- a/include/migration/vmstate.h >> +++ b/include/migration/vmstate.h >> @@ -386,6 +386,16 @@ extern const VMStateInfo vmstate_info_bitmap; >> .offset = vmstate_offset_pointer(_state, _field, _type), \ >> } >> >> +#define VMSTATE_VARRAY_UINT32_ALLOC(_field, _state, _field_num, _version, >> _info, _type) {\ >> + .name = (stringify(_field)), \ >> + .version_id = (_version), \ >> + .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ >> + .info = &(_info), \ >> + .size = sizeof(_type), \ >> + .flags = VMS_VARRAY_UINT32|VMS_POINTER|VMS_ALLOC, \ >> + .offset = vmstate_offset_pointer(_state, _field, _type), \ >> +} >> + >> #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, >> _info, _type) {\ >> .name = (stringify(_field)), \ >> .version_id = (_version), \ >> > > -- Alexey