drivers/gpu/drm/nouveau/include/nvkm/core/os.h

   1 /* SPDX-License-Identifier: MIT */
   2 #ifndef __NVKM_OS_H__
   3 #define __NVKM_OS_H__
   4 #include <nvif/os.h>
   5
   6 #ifdef __BIG_ENDIAN
   7 #define ioread16_native ioread16be
   8 #define iowrite16_native iowrite16be
   9 #define ioread32_native  ioread32be
  10 #define iowrite32_native iowrite32be
  11 #else
  12 #define ioread16_native ioread16
  13 #define iowrite16_native iowrite16
  14 #define ioread32_native  ioread32
  15 #define iowrite32_native iowrite32
  16 #endif
  17
  18 #define iowrite64_native(v,p) do {                                             \
  19         u32 __iomem *_p = (u32 __iomem *)(p);                                  \
  20         u64 _v = (v);                                                          \
  21         iowrite32_native(lower_32_bits(_v), &_p[0]);                           \
  22         iowrite32_native(upper_32_bits(_v), &_p[1]);                           \
  23 } while(0)
  24
  25 struct nvkm_blob {
  26         void *data;
  27         u32 size;
  28 };
  29
  30 static inline void
  31 nvkm_blob_dtor(struct nvkm_blob *blob)
  32 {
  33         kfree(blob->data);
  34         blob->data = NULL;
  35         blob->size = 0;
  36 }
  37 #endif