src/commonlib/storage/storage.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #ifndef __COMMONLIB_STORAGE_STORAGE_H__
   4 #define __COMMONLIB_STORAGE_STORAGE_H__
   5
   6 #include <stdint.h>
   7 #include <commonlib/storage.h>
   8
   9 #define DMA_MINALIGN (64)
  10 #define ROUND(a, b) (((a) + (b) - 1) & ~((b) - 1))
  11 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size)                   \
  12         char __##name[ROUND(size * sizeof(type), DMA_MINALIGN) +     \
  13                       DMA_MINALIGN - 1];                             \
  14         type *name = (type *)ALIGN_UP((uintptr_t)__##name, DMA_MINALIGN)
  15
  16 /* NOOPs mirroring ARM's cache API, since x86 devices usually cache snoop */
  17 #define dcache_invalidate_by_mva(addr, len)
  18 #define dcache_clean_invalidate_by_mva(addr, len)
  19
  20 /* Storage support routines */
  21 int storage_startup(struct storage_media *media);
  22 int storage_block_setup(struct storage_media *media, uint64_t start,
  23         uint64_t count, int is_read);
  24
  25 #endif /* __COMMONLIB_STORAGE_STORAGE_H__ */