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/*
* deviced
*
* Copyright (c) 2015 Samsung Electronics Co., Ltd.
*
* 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 __BLOCK_H__
#define __BLOCK_H__
#include <stdbool.h>
#include "core/common.h"
#define SMACKFS_MOUNT_OPT "smackfsroot=*,smackfsdef=*"
#define RETRY_COUNT 10
enum block_fs_type {
FS_TYPE_VFAT = 0,
FS_TYPE_EXT4,
};
struct block_fs_ops {
enum block_fs_type type;
const char *name;
bool (*match) (const char *);
int (*check) (const char *);
int (*mount) (bool, const char *, const char *);
int (*format) (const char *);
};
struct fs_check {
int type;
char *name;
unsigned int offset;
unsigned int magic_sz;
char magic[4];
};
void add_fs(const struct block_fs_ops *fs);
void remove_fs(const struct block_fs_ops *fs);
enum block_device_type {
BLOCK_SCSI_DEV,
BLOCK_MMC_DEV,
};
enum mount_state {
BLOCK_UNMOUNT,
BLOCK_MOUNT,
};
enum unmount_operation {
UNMOUNT_NORMAL,
UNMOUNT_FORCE,
};
struct block_data {
enum block_device_type block_type;
char *devnode;
char *fs_usage;
char *fs_type;
char *fs_version;
char *fs_uuid_enc;
bool readonly;
char *mount_point;
enum mount_state state;
};
struct block_dev_ops {
const char *name;
enum block_device_type block_type;
void (*mount) (struct block_data *data, int result);
void (*unmount) (struct block_data *data, int result);
void (*format) (struct block_data *data, int result);
void (*insert) (struct block_data *data);
void (*remove) (struct block_data *data);
};
void add_block_dev(const struct block_dev_ops *ops);
void remove_block_dev(const struct block_dev_ops *ops);
#define BLOCK_DEVICE_OPS_REGISTER(dev) \
static void __CONSTRUCTOR__ block_dev_init(void) \
{ \
add_block_dev(dev); \
} \
static void __DESTRUCTOR__ block_dev_exit(void) \
{ \
remove_block_dev(dev); \
}
int mount_block_device(const char *devnode);
int unmount_block_device(const char *devnode,
enum unmount_operation option);
#endif /* __BLOCK_H__ */
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