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1/* SPDX-License-Identifier: MIT */2#ifndef __NVIF_UNPACK_H__3#define __NVIF_UNPACK_H__4 5#define nvif_unvers(r,d,s,m) ({ \6 void **_data = (d); __u32 *_size = (s); int _ret = (r); \7 if (_ret == -ENOSYS && *_size == sizeof(m)) { \8 *_data = NULL; \9 *_size = _ret = 0; \10 } \11 _ret; \12})13 14#define nvif_unpack(r,d,s,m,vl,vh,x) ({ \15 void **_data = (d); __u32 *_size = (s); \16 int _ret = (r), _vl = (vl), _vh = (vh); \17 if (_ret == -ENOSYS && *_size >= sizeof(m) && \18 (m).version >= _vl && (m).version <= _vh) { \19 *_data = (__u8 *)*_data + sizeof(m); \20 *_size = *_size - sizeof(m); \21 if (_ret = 0, !(x)) { \22 _ret = *_size ? -E2BIG : 0; \23 *_data = NULL; \24 *_size = 0; \25 } \26 } \27 _ret; \28})29#endif30