M7350/kernel/drivers/gpu/drm/nouveau/nvif/unpack.h

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2024-09-09 08:57:42 +00:00
#ifndef __NVIF_UNPACK_H__
#define __NVIF_UNPACK_H__
#define nvif_unvers(d) ({ \
ret = (size == sizeof(d)) ? 0 : -ENOSYS; \
(ret == 0); \
})
#define nvif_unpack(d,vl,vh,m) ({ \
if ((vl) == 0 || ret == -ENOSYS) { \
int _size = sizeof(d); \
if (_size <= size && (d).version >= (vl) && \
(d).version <= (vh)) { \
data = (u8 *)data + _size; \
size = size - _size; \
ret = ((m) || !size) ? 0 : -E2BIG; \
} else { \
ret = -ENOSYS; \
} \
} \
(ret == 0); \
})
#endif