mirror of https://github.com/xemu-project/xemu.git
migration/vmstate: Introduce VMSTATE_WITH_TMP_TEST() and VMSTATE_BITMAP_TEST()
We'll make use of both next in the context of virtio-mem. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com>S Signed-off-by: David Hildenbrand <david@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
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@ -719,8 +719,9 @@ extern const VMStateInfo vmstate_info_qlist;
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* '_state' type
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* That the pointer is right at the start of _tmp_type.
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*/
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#define VMSTATE_WITH_TMP(_state, _tmp_type, _vmsd) { \
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#define VMSTATE_WITH_TMP_TEST(_state, _test, _tmp_type, _vmsd) { \
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.name = "tmp", \
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.field_exists = (_test), \
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.size = sizeof(_tmp_type) + \
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QEMU_BUILD_BUG_ON_ZERO(offsetof(_tmp_type, parent) != 0) + \
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type_check_pointer(_state, \
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@ -729,6 +730,9 @@ extern const VMStateInfo vmstate_info_qlist;
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.info = &vmstate_info_tmp, \
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}
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#define VMSTATE_WITH_TMP(_state, _tmp_type, _vmsd) \
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VMSTATE_WITH_TMP_TEST(_state, NULL, _tmp_type, _vmsd)
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#define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \
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.name = "unused", \
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.field_exists = (_test), \
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@ -752,8 +756,9 @@ extern const VMStateInfo vmstate_info_qlist;
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/* _field_size should be a int32_t field in the _state struct giving the
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* size of the bitmap _field in bits.
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*/
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#define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \
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#define VMSTATE_BITMAP_TEST(_field, _state, _test, _version, _field_size) { \
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.name = (stringify(_field)), \
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.field_exists = (_test), \
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.version_id = (_version), \
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.size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
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.info = &vmstate_info_bitmap, \
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@ -761,6 +766,9 @@ extern const VMStateInfo vmstate_info_qlist;
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.offset = offsetof(_state, _field), \
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}
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#define VMSTATE_BITMAP(_field, _state, _version, _field_size) \
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VMSTATE_BITMAP_TEST(_field, _state, NULL, _version, _field_size)
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/* For migrating a QTAILQ.
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* Target QTAILQ needs be properly initialized.
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* _type: type of QTAILQ element
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