/* SPDX-License-Identifier: GPL-2.0 */


#ifndef _MD_CLUSTER_H
#define _MD_CLUSTER_H

#include "md.h"

struct mddev;
struct md_rdev;

struct md_cluster_operations {
        struct md_submodule_head head;

        int (*join)(struct mddev *mddev, int nodes);
        int (*leave)(struct mddev *mddev);
        int (*slot_number)(struct mddev *mddev);
        int (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi);
        int (*resync_start_notify)(struct mddev *mddev);
        int (*resync_status_get)(struct mddev *mddev);
        void (*resync_info_get)(struct mddev *mddev, sector_t *lo, sector_t *hi);
        int (*metadata_update_start)(struct mddev *mddev);
        int (*metadata_update_finish)(struct mddev *mddev);
        void (*metadata_update_cancel)(struct mddev *mddev);
        int (*resync_start)(struct mddev *mddev);
        int (*resync_finish)(struct mddev *mddev);
        int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi);
        int (*add_new_disk)(struct mddev *mddev, struct md_rdev *rdev);
        void (*add_new_disk_cancel)(struct mddev *mddev);
        int (*new_disk_ack)(struct mddev *mddev, bool ack);
        int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev);
        void (*load_bitmaps)(struct mddev *mddev, int total_slots);
        int (*gather_bitmaps)(struct md_rdev *rdev);
        int (*resize_bitmaps)(struct mddev *mddev, sector_t newsize, sector_t oldsize);
        int (*lock_all_bitmaps)(struct mddev *mddev);
        void (*unlock_all_bitmaps)(struct mddev *mddev);
        void (*update_size)(struct mddev *mddev, sector_t old_dev_sectors);
};

extern int md_setup_cluster(struct mddev *mddev, int nodes);
extern void md_cluster_stop(struct mddev *mddev);
extern void md_reload_sb(struct mddev *mddev, int raid_disk);

#endif /* _MD_CLUSTER_H */