1/* SPDX-License-Identifier: GPL-2.0 */
2
3
4#ifndef _MD_CLUSTER_H
5#define _MD_CLUSTER_H
6
7#include "md.h"
8
9struct mddev;
10struct md_rdev;
11
12struct md_cluster_operations {
13 struct md_submodule_head head;
14
15 int (*join)(struct mddev *mddev, int nodes);
16 int (*leave)(struct mddev *mddev);
17 int (*slot_number)(struct mddev *mddev);
18 int (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi);
19 int (*resync_start_notify)(struct mddev *mddev);
20 int (*resync_status_get)(struct mddev *mddev);
21 void (*resync_info_get)(struct mddev *mddev, sector_t *lo, sector_t *hi);
22 int (*metadata_update_start)(struct mddev *mddev);
23 int (*metadata_update_finish)(struct mddev *mddev);
24 void (*metadata_update_cancel)(struct mddev *mddev);
25 int (*resync_start)(struct mddev *mddev);
26 int (*resync_finish)(struct mddev *mddev);
27 int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi);
28 int (*add_new_disk)(struct mddev *mddev, struct md_rdev *rdev);
29 void (*add_new_disk_cancel)(struct mddev *mddev);
30 int (*new_disk_ack)(struct mddev *mddev, bool ack);
31 int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev);
32 void (*load_bitmaps)(struct mddev *mddev, int total_slots);
33 int (*gather_bitmaps)(struct md_rdev *rdev);
34 int (*resize_bitmaps)(struct mddev *mddev, sector_t newsize, sector_t oldsize);
35 int (*lock_all_bitmaps)(struct mddev *mddev);
36 void (*unlock_all_bitmaps)(struct mddev *mddev);
37 void (*update_size)(struct mddev *mddev, sector_t old_dev_sectors);
38};
39
40extern int md_setup_cluster(struct mddev *mddev, int nodes);
41extern void md_cluster_stop(struct mddev *mddev);
42extern void md_reload_sb(struct mddev *mddev, int raid_disk);
43
44#endif /* _MD_CLUSTER_H */
45