From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/nouveau/include/nvif/unpack.h | 29 +++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/include/nvif/unpack.h (limited to 'drivers/gpu/drm/nouveau/include/nvif/unpack.h') diff --git a/drivers/gpu/drm/nouveau/include/nvif/unpack.h b/drivers/gpu/drm/nouveau/include/nvif/unpack.h new file mode 100644 index 000000000..0584b938e --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvif/unpack.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: MIT */ +#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