*/
#define _GNU_SOURCE
+#define _FILE_OFFSET_BITS 64
#include <unistd.h>
#if !defined(__dietlibc__) && !defined(__KLIBC__)
extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence));
#include "md_u.h"
#include "md_p.h"
#include "bitmap.h"
+#include "msg.h"
#include <endian.h>
/* Redhat don't like to #include <asm/byteorder.h>, and
#define __le16_to_cpu(_x) (_x)
#define __le32_to_cpu(_x) (_x)
#define __le64_to_cpu(_x) (_x)
+
+#define __cpu_to_be16(_x) bswap_16(_x)
+#define __cpu_to_be32(_x) bswap_32(_x)
+#define __cpu_to_be64(_x) bswap_64(_x)
+#define __be16_to_cpu(_x) bswap_16(_x)
+#define __be32_to_cpu(_x) bswap_32(_x)
+#define __be64_to_cpu(_x) bswap_64(_x)
#elif BYTE_ORDER == BIG_ENDIAN
#define __cpu_to_le16(_x) bswap_16(_x)
#define __cpu_to_le32(_x) bswap_32(_x)
#define __le16_to_cpu(_x) bswap_16(_x)
#define __le32_to_cpu(_x) bswap_32(_x)
#define __le64_to_cpu(_x) bswap_64(_x)
+
+#define __cpu_to_be16(_x) (_x)
+#define __cpu_to_be32(_x) (_x)
+#define __cpu_to_be64(_x) (_x)
+#define __be16_to_cpu(_x) (_x)
+#define __be32_to_cpu(_x) (_x)
+#define __be64_to_cpu(_x) (_x)
#else
# error "unknown endianness."
#endif
int uuid[4];
char name[33];
unsigned long long data_offset;
- unsigned long long component_size;
+ unsigned long long component_size; /* same as array.size, except in
+ * sectors and up to 64bits.
+ */
int reshape_active;
unsigned long long reshape_progress;
+ unsigned long long resync_start;
int new_level, delta_disks, new_layout, new_chunk;
+ int errors;
+ int cache_size; /* size of raid456 stripe cache*/
+ int mismatch_cnt;
+ char text_version[50];
+ int container_member; /* for assembling external-metatdata arrays */
+
+ char sys_name[20];
+ struct mdinfo *devs;
+ struct mdinfo *next;
+
+ /* Device info for mdmon: */
+ int state_fd;
+ #define DS_FAULTY 1
+ #define DS_INSYNC 2
+ #define DS_WRITE_MOSTLY 4
+ #define DS_SPARE 8
+ #define DS_BLOCKED 16
+ #define DS_REMOVE 1024
+ int prev_state, curr_state, next_state;
+
};
struct createinfo {
char *pattern; /* U or up, _ for down */
int percent; /* -1 if no resync */
int resync; /* 1 if resync, 0 if recovery */
+ int devcnt;
+ int raid_disks;
+ int chunk_size;
+ char * metadata_version;
struct mdstat_ent *next;
};
extern struct mdstat_ent *mdstat_read(int hold, int start);
extern void free_mdstat(struct mdstat_ent *ms);
extern void mdstat_wait(int seconds);
+extern void mdstat_wait_fd(int fd, const sigset_t *sigmask);
extern int mddev_busy(int devnum);
struct map_ent {
extern void map_add(struct map_ent **melp,
int devnum, int major, int minor, int uuid[4], char *path);
-/* Data structure for holding info read from sysfs */
-struct sysdev {
- char name[20];
- int role;
- int major, minor;
- unsigned long long offset, size;
- int state;
- int errors;
- struct sysdev *next;
-};
-struct sysarray {
- char name[20];
- struct sysdev *devs;
- int chunk;
- unsigned long long component_size;
- int layout;
- int level;
- int spares;
- int cache_size;
- int mismatch_cnt;
- int major_version, minor_version;
-};
/* various details can be requested */
#define GET_LEVEL 1
#define GET_LAYOUT 2
#define GET_CACHE 16
#define GET_MISMATCH 32
#define GET_VERSION 64
+#define GET_DISKS 128
#define GET_DEVS 1024 /* gets role, major, minor */
#define GET_OFFSET 2048
/* If fd >= 0, get the array it is open on,
* else use devnum. >=0 -> major9. <0.....
*/
-extern void sysfs_free(struct sysarray *sra);
-extern struct sysarray *sysfs_read(int fd, int devnum, unsigned long options);
-extern int sysfs_set_str(struct sysarray *sra, struct sysdev *dev,
+extern int sysfs_open(int devnum, char *devname, char *attr);
+extern void sysfs_free(struct mdinfo *sra);
+extern struct mdinfo *sysfs_read(int fd, int devnum, unsigned long options);
+extern int sysfs_set_str(struct mdinfo *sra, struct mdinfo *dev,
char *name, char *val);
-extern int sysfs_set_num(struct sysarray *sra, struct sysdev *dev,
+extern int sysfs_set_num(struct mdinfo *sra, struct mdinfo *dev,
char *name, unsigned long long val);
-extern int sysfs_get_ll(struct sysarray *sra, struct sysdev *dev,
+extern int sysfs_get_ll(struct mdinfo *sra, struct mdinfo *dev,
char *name, unsigned long long *val);
+extern int sysfs_set_array(struct mdinfo *sra,
+ struct mdinfo *info);
+extern int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd);
+
+
extern int save_stripes(int *source, unsigned long long *offsets,
extern char *map_dev(int major, int minor, int create);
+struct active_array;
extern struct superswitch {
- void (*examine_super)(struct supertype *st, void *sbv, char *homehost);
- void (*brief_examine_super)(struct supertype *st, void *sbv);
- void (*detail_super)(struct supertype *st, void *sbv, char *homehost);
- void (*export_super)(struct supertype *st, void *sbv);
- void (*brief_detail_super)(struct supertype *st, void *sbv);
- void (*uuid_from_super)(struct supertype *st, int uuid[4], void *sbv);
- void (*getinfo_super)(struct supertype *st, struct mdinfo *info, void *sbv);
- int (*match_home)(struct supertype *st, void *sbv, char *homehost);
+ void (*examine_super)(struct supertype *st, char *homehost);
+ void (*brief_examine_super)(struct supertype *st);
+ void (*export_examine_super)(struct supertype *st);
+ void (*detail_super)(struct supertype *st, char *homehost);
+ void (*brief_detail_super)(struct supertype *st);
+ void (*export_detail_super)(struct supertype *st);
+ void (*uuid_from_super)(struct supertype *st, int uuid[4]);
+ void (*getinfo_super)(struct supertype *st, struct mdinfo *info);
+ void (*getinfo_super_n)(struct supertype *st, struct mdinfo *info);
+ int (*match_home)(struct supertype *st, char *homehost);
int (*update_super)(struct supertype *st, struct mdinfo *info,
- void *sbv, char *update,
+ char *update,
char *devname, int verbose,
int uuid_set, char *homehost);
- int (*init_super)(struct supertype *st, void **sbp, mdu_array_info_t *info, unsigned long long size, char *name, char *homehost, int *uuid);
- void (*add_to_super)(struct supertype *st, void *sbv, mdu_disk_info_t *dinfo);
- int (*store_super)(struct supertype *st, int fd, void *sbv);
- int (*write_init_super)(struct supertype *st, void *sbv, mdu_disk_info_t *dinfo, char *devname);
+ int (*init_super)(struct supertype *st, mdu_array_info_t *info,
+ unsigned long long size, char *name,
+ char *homehost, int *uuid);
+ void (*add_to_super)(struct supertype *st, mdu_disk_info_t *dinfo,
+ int fd, char *devname);
+ int (*store_super)(struct supertype *st, int fd);
+ int (*write_init_super)(struct supertype *st);
int (*compare_super)(struct supertype *st, struct supertype *tst);
- int (*load_super)(struct supertype *st, int fd, void **sbp, char *devname);
+ int (*load_super)(struct supertype *st, int fd, char *devname);
struct supertype * (*match_metadata_desc)(char *arg);
__u64 (*avail_size)(struct supertype *st, __u64 size);
- int (*add_internal_bitmap)(struct supertype *st, void *sbv, int *chunkp,
+ int (*add_internal_bitmap)(struct supertype *st, int *chunkp,
int delay, int write_behind,
unsigned long long size, int may_change, int major);
- void (*locate_bitmap)(struct supertype *st, int fd, void *sbv);
- int (*write_bitmap)(struct supertype *st, int fd, void *sbv);
- void (*free_super)(struct supertype *st, void *super);
+ void (*locate_bitmap)(struct supertype *st, int fd);
+ int (*write_bitmap)(struct supertype *st, int fd);
+ void (*free_super)(struct supertype *st);
+ int (*validate_geometry)(struct supertype *st, int level, int layout,
+ int raiddisks,
+ int chunk, unsigned long long size,
+ char *subdev, unsigned long long *freesize);
+
+ struct mdinfo *(*container_content)(struct supertype *st);
+
+/* for mdmon */
+ int (*open_new)(struct supertype *c, struct active_array *a, int inst);
+
+ /* Tell the metadata handler the current state of the array.
+ * This covers whether it is known to be consistent (no pending writes)
+ * when how far along a resync is known to have progressed
+ * (in a->resync_start).
+ * resync status is really irrelevant if the array is not consistent,
+ * but some metadata (DDF!) have a place to record the distinction.
+ */
+ void (*set_array_state)(struct active_array *a, int consistent);
+
+ /* When the state of a device might have changed, we call set_disk to
+ * tell the metadata what the current state is.
+ * Typically this happens on spare->in_sync and (spare|in_sync)->faulty
+ * transitions.
+ * set_disk might be called when the state of the particular disk has
+ * not in fact changed.
+ */
+ void (*set_disk)(struct active_array *a, int n, int state);
+ void (*sync_metadata)(struct active_array *a);
+
+
int major;
+ char *text_version;
int swapuuid; /* true if uuid is bigending rather than hostendian */
-} super0, super1, *superlist[];
+ int external;
+} super0, super1, super_ddf, super_ddf_bvd, super_ddf_svd, *superlist[];
+
+extern struct superswitch super_imsm, super_imsm_raid;
struct supertype {
struct superswitch *ss;
int minor_version;
int max_devs;
+ int container_dev; /* devnum of container */
+ int container_member; /* numerical position in container */
void *sb;
+ void *info;
+
+ /* extra stuff used by mdmon */
+ struct active_array *arrays;
+ int sock; /* listen to external programs */
+ int mgr_pipe[2]; /* communicate between threads */
+ int mon_pipe[2]; /* communicate between threads */
+ int devnum;
+ char *devname; /* e.g. md0. This appears in metadata_verison:
+ * external:/md0/12
+ */
+ int devcnt;
+ char *device_name; /* e.g. /dev/md/whatever */
+
+ struct mdinfo *devs;
+
};
-extern struct supertype *super_by_version(int vers, int minor);
+extern struct supertype supertype_container_member;
+extern struct supertype *super_by_fd(int fd);
extern struct supertype *guess_super(int fd);
+extern struct supertype *dup_super(struct supertype *st);
extern int get_dev_size(int fd, char *dname, unsigned long long *sizep);
extern void get_one_disk(int mdfd, mdu_array_info_t *ainf,
mdu_disk_info_t *disk);
extern int Detail(char *dev, int brief, int export, int test, char *homehost);
extern int Query(char *dev);
-extern int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust,
- struct supertype *forcest, char *homehost);
+extern int Examine(mddev_dev_t devlist, int brief, int export, int scan,
+ int SparcAdjust, struct supertype *forcest, char *homehost);
extern int Monitor(mddev_dev_t devlist,
char *mailaddr, char *alert_cmd,
int period, int daemonise, int scan, int oneshot,
int dosyslog, int test, char *pidfile);
-extern int Kill(char *dev, int force, int quiet);
+extern int Kill(char *dev, int force, int quiet, int noexcl);
extern int Wait(char *dev);
extern int Incremental(char *devname, int verbose, int runstop,
struct supertype *st, char *homehost, int autof);
+extern int Incremental_container(struct supertype *st, char *devname,
+ int verbose, int runstop, int autof);
extern void RebuildMap(void);
extern int IncrementalScan(int verbose);
extern int get_mdp_major(void);
extern int dev_open(char *dev, int flags);
+extern int open_dev_excl(int devnum);
extern int is_standard(char *dev, int *nump);
extern int parse_auto(char *str, char *msg, int config);
extern int ask(char *mesg);
extern unsigned long long get_component_size(int fd);
extern void remove_partitions(int fd);
+extern unsigned long long calc_array_size(int level, int raid_disks, int layout,
+ int chunksize, unsigned long long devsize);
extern char *human_size(long long bytes);
char *human_size_brief(long long bytes);
+#define NoMdDev (1<<23)
+extern int find_free_devnum(int use_partitions);
+
extern void put_md_name(char *name);
extern char *get_md_name(int dev);
extern int open_mddev(char *dev, int autof);
extern int open_mddev_devnum(char *devname, int devnum, char *name,
- char *chosen_name);
-
+ char *chosen_name, int parts);
+extern int open_container(int fd);
+
+extern int mdmon_running(int devnum);
+extern int signal_mdmon(int devnum);
+
+extern char *devnum2devname(int num);
+extern int fd2devnum(int fd);
+
+static inline int dev2major(int d)
+{
+ if (d >= 0)
+ return MD_MAJOR;
+ else
+ return get_mdp_major();
+}
+
+static inline int dev2minor(int d)
+{
+ if (d >= 0)
+ return d;
+ return (-1-d) << MdpMinorShift;
+}
#define LEVEL_MULTIPATH (-4)
#define LEVEL_LINEAR (-1)
#define LEVEL_FAULTY (-5)
+/* kernel module doesn't know about these */
+#define LEVEL_CONTAINER (-100)
+#define LEVEL_UNSUPPORTED (-200)
+
/* faulty stuff */
projects / thirdparty / mdadm.git / blobdiff