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/* 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.
*/
#include <unistd.h>
#include <stdio.h>
#include <libflash/libflash.h>
#include "blocklevel.h"
int blocklevel_read(struct blocklevel_device *bl, uint32_t pos, void *buf, uint32_t len)
{
if (!bl || !bl->read || !buf)
return -1;
return bl->read(bl, pos, buf, len);
}
int blocklevel_write(struct blocklevel_device *bl, uint32_t pos, const void *buf, uint32_t len)
{
if (!bl || !bl->write || !buf)
return -1;
return bl->write(bl, pos, buf, len);
}
int blocklevel_erase(struct blocklevel_device *bl, uint32_t pos, uint32_t len)
{
if (!bl || !bl->erase)
return -1;
/* Programmer may be making a horrible mistake without knowing it */
if (len & bl->erase_mask) {
fprintf(stderr, "blocklevel_erase: len (0x%08x) is not erase block (0x%08x) aligned\n",
len, bl->erase_mask + 1);
return FLASH_ERR_ERASE_BOUNDARY;
}
return bl->erase(bl, pos, len);
}
int blocklevel_get_info(struct blocklevel_device *bl, const char **name, uint32_t *total_size,
uint32_t *erase_granule)
{
if (!bl || !bl->get_info)
return -1;
return bl->get_info(bl, name, total_size, erase_granule);
}
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