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Diffstat (limited to 'libflash/blocklevel.h')
| -rw-r--r-- | libflash/blocklevel.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libflash/blocklevel.h b/libflash/blocklevel.h new file mode 100644 index 0000000..2e8480d --- /dev/null +++ b/libflash/blocklevel.h @@ -0,0 +1,40 @@ +/* Copyright 2013-2015 IBM Corp. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef __LIBFLASH_BLOCKLEVEL_H +#define __LIBFLASH_BLOCKLEVEL_H + +#include <stdint.h> + +/* + * libffs may be used with different backends, all should provide these for + * libflash to get the information it needs + */ +struct blocklevel_device { + void *priv; + int (*read)(struct blocklevel_device *bl, uint32_t pos, void *buf, uint32_t len); + int (*write)(struct blocklevel_device *bl, uint32_t pos, const void *buf, uint32_t len); + int (*erase)(struct blocklevel_device *bl, uint32_t pos, uint32_t len); + int (*get_info)(struct blocklevel_device *bl, const char **name, uint32_t *total_size, + uint32_t *erase_granule); +}; + +int blocklevel_read(struct blocklevel_device *bl, uint32_t pos, void *buf, uint32_t len); +int blocklevel_write(struct blocklevel_device *bl, uint32_t pos, const void *buf, uint32_t len); +int blocklevel_erase(struct blocklevel_device *bl, uint32_t pos, uint32_t len); +int blocklevel_get_info(struct blocklevel_device *bl, const char **name, uint32_t *total_size, + uint32_t *erase_granule); + +#endif /* __LIBFLASH_BLOCKLEVEL_H */ |