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/* SPDX-License-Identifier: GPL-2.0 */
// Author: Shaoxiong Li <dahefanteng@gmail.com>
#include "list.h"
struct dev {
struct cache_sb sb;
char name[40];
char *magic;
uint64_t first_sector;
uint64_t csum;
uint64_t version;
char label[SB_LABEL_SIZE + 1];
char uuid[40];
uint16_t sectors_per_block;
uint32_t sectors_per_bucket;
char cset[40];
char state[40];
char bname[40];
char attachuuid[40];
uint64_t feature_compat;
uint64_t feature_ro_compat;
uint64_t feature_incompat;
struct list_head dev_list;
};
struct bdev {
struct dev base;
uint16_t first_sector;
uint8_t cache_mode;
uint8_t cache_state;
};
//typedef int bool;
struct cdev {
struct dev base;
uint16_t first_sector;
uint64_t cache_sectors;
uint64_t total_sectors;
bool ordered;
bool discard;
uint16_t pos;
unsigned int replacement;
};
int list_bdevs(struct list_head *head);
int detail_dev(char *devname, struct bdev *bd, struct cdev *cd, int *type);
int register_dev(char *devname);
int stop_backdev(char *devname);
int unregister_cset(char *cset);
int attach_backdev(char *cset, char *devname);
int detach_backdev(char *devname);
int set_backdev_cachemode(char *devname, char *cachemode);
int set_label(char *devname, char *label);
int cset_to_devname(struct list_head *head, char *cset, char *devname);
struct cache_sb *to_cache_sb(struct cache_sb *sb, struct cache_sb_disk *sb_disk);
struct cache_sb_disk *to_cache_sb_disk(struct cache_sb_disk *sb_disk,struct cache_sb *sb);
void set_bucket_size(struct cache_sb *sb, unsigned int bucket_size);
void free_dev(struct list_head *head);
void print_encode(char *in);
bool accepted_char(char c);
#define DEVLEN sizeof(struct dev)
#define BCACHE_NO_SUPPORT "N/A"
#define BCACHE_BASIC_STATE_ACTIVE "active"
#define BCACHE_BASIC_STATE_INACTIVE "inactive"
#define BCACHE_ATTACH_ALONE "Alone"
#define BCACHE_BNAME_NOT_EXIST "Non-Exist"
#define DEV_PREFIX_LEN 5
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