X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=mdadm.h;h=fb1773d86643b359960c21a069f71c046b4353fb;hb=55935d51800231d7c4ee26fafe5553f8a1471d09;hp=802c779d7566feac520925def7e5ba403c870a7c;hpb=56eedc1a3f077e1822a4ee0889a78d89e834b037;p=thirdparty%2Fmdadm.git diff --git a/mdadm.h b/mdadm.h index 802c779d..fb1773d8 100644 --- a/mdadm.h +++ b/mdadm.h @@ -29,7 +29,9 @@ #define __USE_LARGEFILE64 #include +#ifndef __dietlibc__ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); +#endif #include #include @@ -40,6 +42,12 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #include #include #include +#ifdef __dietlibc__NONO +int strncmp(const char *s1, const char *s2, size_t n) __THROW __pure__; +char *strncpy(char *dest, const char *src, size_t n) __THROW; +#include +#endif + #include /*#include */ @@ -47,14 +55,26 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #include #include #define MD_MAJOR 9 +#define MdpMinorShift 6 #ifndef BLKGETSIZE64 -#define BLKGETSIZE64 _IOR(0x12,114,sizeof(__u64)) /* return device size in bytes (u64 *arg) */ +#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ #endif +#define DEFAULT_BITMAP_CHUNK 4096 +#define DEFAULT_BITMAP_DELAY 5 #include "md_u.h" #include "md_p.h" +#include "bitmap.h" + +/* general information that might be extracted from a superblock */ +struct mdinfo { + mdu_array_info_t array; + mdu_disk_info_t disk; + __u64 events; + unsigned int uuid[4]; +}; #define Name "mdadm" @@ -65,12 +85,13 @@ enum mode { MANAGE, MISC, MONITOR, + GROW, }; extern char short_options[]; extern struct option long_options[]; extern char Version[], Usage[], Help[], OptionHelp[], - Help_create[], Help_build[], Help_assemble[], + Help_create[], Help_build[], Help_assemble[], Help_grow[], Help_manage[], Help_misc[], Help_monitor[], Help_config[]; /* structures read from config file */ @@ -83,20 +104,26 @@ extern char Version[], Usage[], Help[], OptionHelp[], * If multiple fields are present, the intersection of all matching * devices is considered */ +#define UnSet (0xfffe) typedef struct mddev_ident_s { - char *devname; + char *devname; - int uuid_set; - __u32 uuid[4]; + int uuid_set; + __u32 uuid[4]; - int super_minor; /* -1 if not set */ + unsigned int super_minor; - char *devices; /* comma separated list of device + char *devices; /* comma separated list of device * names with wild cards */ - int level; /* -10 if not set */ - int raid_disks; /* -1 if not set */ - char *spare_group; + int level; + unsigned int raid_disks; + unsigned int spare_disks; + struct supertype *st; + int autof; /* 1 for normal, 2 for partitioned */ + char *spare_group; + int bitmap_fd; + struct mddev_ident_s *next; } *mddev_ident_t; @@ -122,11 +149,13 @@ struct mdstat_ent { char *level; char *pattern; /* U or up, _ for down */ int percent; /* -1 if no resync */ + int resync; /* 1 if resync, 0 if recovery */ struct mdstat_ent *next; }; -extern struct mdstat_ent *mdstat_read(void); +extern struct mdstat_ent *mdstat_read(int); extern void free_mdstat(struct mdstat_ent *ms); +extern void mdstat_wait(int seconds); #ifndef Sendmail #define Sendmail "/usr/lib/sendmail -t" @@ -134,18 +163,52 @@ extern void free_mdstat(struct mdstat_ent *ms); extern char *map_num(mapping_t *map, int num); extern int map_name(mapping_t *map, char *name); -extern mapping_t r5layout[], pers[], modes[]; +extern mapping_t r5layout[], pers[], modes[], faultylayout[]; extern char *map_dev(int major, int minor); +extern struct superswitch { + void (*examine_super)(void *sbv); + void (*brief_examine_super)(void *sbv); + void (*detail_super)(void *sbv); + void (*brief_detail_super)(void *sbv); + void (*uuid_from_super)(int uuid[4], void *sbv); + void (*getinfo_super)(struct mdinfo *info, void *sbv); + int (*update_super)(struct mdinfo *info, void *sbv, char *update, char *devname, int verbose); + __u64 (*event_super)(void *sbv); + int (*init_super)(void **sbp, mdu_array_info_t *info); + void (*add_to_super)(void *sbv, mdu_disk_info_t *dinfo); + int (*store_super)(int fd, void *sbv); + int (*write_init_super)(struct supertype *st, void *sbv, mdu_disk_info_t *dinfo, char *devname); + int (*compare_super)(void **firstp, void *secondv); + int (*load_super)(struct supertype *st, int fd, void **sbp, char *devname); + struct supertype * (*match_metadata_desc)(char *arg); + __u64 (*avail_size)(__u64 size); + int (*add_internal_bitmap)(void *sbv, int chunk, int delay, unsigned long long size); + void (*locate_bitmap)(struct supertype *st, int fd); + int major; +} super0, super1, *superlist[]; + +struct supertype { + struct superswitch *ss; + int minor_version; +}; + +extern struct supertype *super_by_version(int vers, int minor); +extern struct supertype *guess_super(int fd); + + extern int Manage_ro(char *devname, int fd, int readonly); extern int Manage_runstop(char *devname, int fd, int runstop); +extern int Manage_resize(char *devname, int fd, long long size, int raid_disks); +extern int Manage_reconfig(char *devname, int fd, int layout); extern int Manage_subdevs(char *devname, int fd, mddev_dev_t devlist); +extern int Grow_Add_device(char *devname, int fd, char *newdev); -extern int Assemble(char *mddev, int mdfd, +extern int Assemble(struct supertype *st, char *mddev, int mdfd, mddev_ident_t ident, char *conffile, mddev_dev_t devlist, @@ -153,26 +216,34 @@ extern int Assemble(char *mddev, int mdfd, char *update, int verbose, int force); -extern int Build(char *mddev, int mdfd, int chunk, int level, +extern int Build(char *mddev, int mdfd, int chunk, int level, int layout, int raiddisks, - mddev_dev_t devlist); + mddev_dev_t devlist, int assume_clean, + char *bitmap_file, int bitmap_chunk, int delay); -extern int Create(char *mddev, int mdfd, - int chunk, int level, int layout, int size, int raiddisks, int sparedisks, +extern int Create(struct supertype *st, char *mddev, int mdfd, + int chunk, int level, int layout, unsigned long size, int raiddisks, int sparedisks, int subdevs, mddev_dev_t devlist, - int runstop, int verbose, int force); + int runstop, int verbose, int force, + char *bitmap_file, int bitmap_chunk, int delay); -extern int Detail(char *dev, int brief); +extern int Detail(char *dev, int brief, int test); extern int Query(char *dev); -extern int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust); +extern int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust, + struct supertype *forcest); extern int Monitor(mddev_dev_t devlist, char *mailaddr, char *alert_cmd, - int period, int daemonise, int scan, - char *config); + int period, int daemonise, int scan, int oneshot, + char *config, int test, char *pidfile); extern int Kill(char *dev, int force); +extern int CreateBitmap(char *filename, int force, char uuid[16], + unsigned long chunksize, unsigned long daemon_sleep, + unsigned long long array_size); +extern int ExamineBitmap(char *filename, int brief, struct supertype *st); + extern int md_get_version(int fd); extern int get_linux_version(void); extern int parse_uuid(char *str, int uuid[4]); @@ -180,18 +251,22 @@ extern int check_ext2(int fd, char *name); extern int check_reiser(int fd, char *name); extern int check_raid(int fd, char *name); +extern int get_mdp_major(void); +extern int is_standard(char *dev, int *nump); + + extern mddev_ident_t conf_get_ident(char *conffile, char *dev); extern mddev_dev_t conf_get_devs(char *conffile); extern char *conf_get_mailaddr(char *conffile); extern char *conf_get_program(char *conffile); extern char *conf_line(FILE *file); +extern char *conf_word(FILE *file, int allow_key); extern void free_line(char *line); extern int match_oneof(char *devices, char *devname); -extern int load_super(int fd, mdp_super_t *super); extern void uuid_from_super(int uuid[4], mdp_super_t *super); extern int same_uuid(int a[4], int b[4]); -extern int compare_super(mdp_super_t *first, mdp_super_t *second); -extern int calc_sb_csum(mdp_super_t *super); +/* extern int compare_super(mdp_super_t *first, mdp_super_t *second);*/ +extern unsigned long calc_csum(void *super, int bytes); extern int store_super(int fd, mdp_super_t *super); extern int enough(int level, int raid_disks, int avail_disks); extern int ask(char *mesg); @@ -204,3 +279,30 @@ extern void put_md_name(char *name); extern char *get_md_name(int dev); extern char DefaultConfFile[]; + +extern int open_mddev(char *dev, int autof); + + +#define LEVEL_MULTIPATH (-4) +#define LEVEL_LINEAR (-1) +#define LEVEL_FAULTY (-5) + + +/* faulty stuff */ + +#define WriteTransient 0 +#define ReadTransient 1 +#define WritePersistent 2 +#define ReadPersistent 3 +#define WriteAll 4 /* doesn't go to device */ +#define ReadFixable 5 +#define Modes 6 + +#define ClearErrors 31 +#define ClearFaults 30 + +#define AllPersist 100 /* internal use only */ +#define NoPersist 101 + +#define ModeMask 0x1f +#define ModeShift 5