From 3f13df4d019cfcbef3f9909e3b993896d3c934e6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:22:22 +0200 Subject: Adding upstream version 2.4.114. Signed-off-by: Daniel Baumann --- nouveau/nvif/unpack.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 nouveau/nvif/unpack.h (limited to 'nouveau/nvif/unpack.h') diff --git a/nouveau/nvif/unpack.h b/nouveau/nvif/unpack.h new file mode 100644 index 0000000..751bcf4 --- /dev/null +++ b/nouveau/nvif/unpack.h @@ -0,0 +1,28 @@ +#ifndef __NVIF_UNPACK_H__ +#define __NVIF_UNPACK_H__ + +#define nvif_unvers(r,d,s,m) ({ \ + void **_data = (d); __u32 *_size = (s); int _ret = (r); \ + if (_ret == -ENOSYS && *_size == sizeof(m)) { \ + *_data = NULL; \ + *_size = _ret = 0; \ + } \ + _ret; \ +}) + +#define nvif_unpack(r,d,s,m,vl,vh,x) ({ \ + void **_data = (d); __u32 *_size = (s); \ + int _ret = (r), _vl = (vl), _vh = (vh); \ + if (_ret == -ENOSYS && *_size >= sizeof(m) && \ + (m).version >= _vl && (m).version <= _vh) { \ + *_data = (__u8 *)*_data + sizeof(m); \ + *_size = *_size - sizeof(m); \ + if (_ret = 0, !(x)) { \ + _ret = *_size ? -E2BIG : 0; \ + *_data = NULL; \ + *_size = 0; \ + } \ + } \ + _ret; \ +}) +#endif -- cgit v1.2.3