|
Server IP : 128.199.20.84 / Your IP : 172.69.17.175 Web Server : Apache/2.4.41 (Ubuntu) System : Linux competent-maruti 5.4.0-128-generic #144-Ubuntu SMP Tue Sep 20 11:00:04 UTC 2022 x86_64 User : www-data ( 33) PHP Version : 8.0.20 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF Directory (0755) : /usr/src/linux-headers-5.4.0-216/include/linux/mtd/ |
| [ Home ] | [ C0mmand ] | [ Upload File ] |
|---|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright © 2003-2010 David Woodhouse <[email protected]>
*/
#ifndef __MTD_TRANS_H__
#define __MTD_TRANS_H__
#include <linux/mutex.h>
#include <linux/kref.h>
#include <linux/sysfs.h>
struct hd_geometry;
struct mtd_info;
struct mtd_blktrans_ops;
struct file;
struct inode;
struct mtd_blktrans_dev {
struct mtd_blktrans_ops *tr;
struct list_head list;
struct mtd_info *mtd;
struct mutex lock;
int devnum;
bool bg_stop;
unsigned long size;
int readonly;
int open;
struct kref ref;
struct gendisk *disk;
struct attribute_group *disk_attributes;
struct request_queue *rq;
struct list_head rq_list;
struct blk_mq_tag_set *tag_set;
spinlock_t queue_lock;
void *priv;
fmode_t file_mode;
};
struct mtd_blktrans_ops {
char *name;
int major;
int part_bits;
int blksize;
int blkshift;
/* Access functions */
int (*readsect)(struct mtd_blktrans_dev *dev,
unsigned long block, char *buffer);
int (*writesect)(struct mtd_blktrans_dev *dev,
unsigned long block, char *buffer);
int (*discard)(struct mtd_blktrans_dev *dev,
unsigned long block, unsigned nr_blocks);
void (*background)(struct mtd_blktrans_dev *dev);
/* Block layer ioctls */
int (*getgeo)(struct mtd_blktrans_dev *dev, struct hd_geometry *geo);
int (*flush)(struct mtd_blktrans_dev *dev);
/* Called with mtd_table_mutex held; no race with add/remove */
int (*open)(struct mtd_blktrans_dev *dev);
void (*release)(struct mtd_blktrans_dev *dev);
/* Called on {de,}registration and on subsequent addition/removal
of devices, with mtd_table_mutex held. */
void (*add_mtd)(struct mtd_blktrans_ops *tr, struct mtd_info *mtd);
void (*remove_dev)(struct mtd_blktrans_dev *dev);
struct list_head devs;
struct list_head list;
struct module *owner;
};
extern int register_mtd_blktrans(struct mtd_blktrans_ops *tr);
extern int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr);
extern int add_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
extern int del_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
extern int mtd_blktrans_cease_background(struct mtd_blktrans_dev *dev);
#endif /* __MTD_TRANS_H__ */