179ca27706a034b683196c85f5c6901b78e5ab8f0Ben Skeggs#ifndef __NVIF_UNPACK_H__
2#define __NVIF_UNPACK_H__
3
4#define nvif_unvers(d) ({                                                      \
5	ret = (size == sizeof(d)) ? 0 : -ENOSYS;                               \
6	(ret == 0);                                                            \
7})
8
9#define nvif_unpack(d,vl,vh,m) ({                                              \
10	if ((vl) == 0 || ret == -ENOSYS) {                                     \
11		int _size = sizeof(d);                                         \
12		if (_size <= size && (d).version >= (vl) &&                    \
13				     (d).version <= (vh)) {                    \
14			data = (u8 *)data + _size;                             \
15			size = size - _size;                                   \
16			ret = ((m) || !size) ? 0 : -E2BIG;                     \
17		} else {                                                       \
18			ret = -ENOSYS;                                         \
19		}                                                              \
20	}                                                                      \
21	(ret == 0);                                                            \
22})
23
24#endif
25