diff options
Diffstat (limited to 'src/drivers/storage/storage.h')
-rw-r--r-- | src/drivers/storage/storage.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/drivers/storage/storage.h b/src/drivers/storage/storage.h new file mode 100644 index 0000000000..b24b12d81f --- /dev/null +++ b/src/drivers/storage/storage.h @@ -0,0 +1,37 @@ +/* + * Copyright 2017 Intel Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __DRIVERS_STORAGE_STORAGE_H__ +#define __DRIVERS_STORAGE_STORAGE_H__ + +#include <stdint.h> +#include <device/storage.h> + +#define DMA_MINALIGN (64) +#define ROUND(a, b) (((a) + (b) - 1) & ~((b) - 1)) +#define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ + char __##name[ROUND(size * sizeof(type), DMA_MINALIGN) + \ + DMA_MINALIGN - 1]; \ + type *name = (type *) ALIGN((uintptr_t)__##name, DMA_MINALIGN) + +/* NOOPs mirroring ARM's cache API, since x86 devices usually cache snoop */ +#define dcache_invalidate_by_mva(addr, len) +#define dcache_clean_invalidate_by_mva(addr, len) + +/* Storage support routines */ +int storage_startup(struct storage_media *media); +int storage_block_setup(struct storage_media *media, uint64_t start, + uint64_t count, int is_read); + +#endif /* __DRIVERS_STORAGE_STORAGE_H__ */ |