X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fmdadm.git;a=blobdiff_plain;f=mdadm.h;h=82f6cd9f226ca349865e7233d1e2714df5319836;hp=d40d18735d906e962814357c5c9ea7e897e24a95;hb=d03373f1deea242eaacfab6b2b0c4afc6d7702d2;hpb=350f29f90d1f6bb3ddfafea368327911f9e8b27c diff --git a/mdadm.h b/mdadm.h index d40d1873..82f6cd9f 100644 --- a/mdadm.h +++ b/mdadm.h @@ -28,9 +28,14 @@ */ #define _GNU_SOURCE +#define _FILE_OFFSET_BITS 64 #include -#ifndef __dietlibc__ +#if !defined(__dietlibc__) && !defined(__KLIBC__) extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); +#else +# if defined(__NO_STAT64) || __WORDSIZE != 32 +# define lseek64 lseek +# endif #endif #include @@ -93,6 +98,7 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); ((x) & 0x00000000ff000000ULL) << 8 | \ ((x) & 0x000000ff00000000ULL) >> 8) +#if !defined(__KLIBC__) #if BYTE_ORDER == LITTLE_ENDIAN #define __cpu_to_le16(_x) (_x) #define __cpu_to_le32(_x) (_x) @@ -100,6 +106,13 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #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) @@ -107,9 +120,17 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #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 +#endif /* __KLIBC__ */ @@ -125,6 +146,14 @@ struct mdinfo { int reshape_active; unsigned long long reshape_progress; 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]; + + char sys_name[20]; + struct mdinfo *devs; + struct mdinfo *next; }; struct createinfo { @@ -146,13 +175,17 @@ enum mode { MISC, MONITOR, GROW, + INCREMENTAL, + AUTODETECT, }; extern char short_options[]; +extern char short_bitmap_options[]; extern char short_bitmap_auto_options[]; extern struct option long_options[]; extern char Version[], Usage[], Help[], OptionHelp[], Help_create[], Help_build[], Help_assemble[], Help_grow[], + Help_incr[], Help_manage[], Help_misc[], Help_monitor[], Help_config[]; /* for option that don't have short equivilents, we assign arbitrary @@ -169,6 +202,7 @@ enum special_options { HomeHost, AutoHomeHost, Symlinks, + AutoDetect, }; /* structures read from config file */ @@ -184,7 +218,7 @@ enum special_options { #define UnSet (0xfffe) typedef struct mddev_ident_s { char *devname; - + int uuid_set; int uuid[4]; char name[33]; @@ -238,28 +272,25 @@ struct mdstat_ent { 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 int mddev_busy(int devnum); -/* 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; +struct map_ent { + struct map_ent *next; + int devnum; + int major,minor; + int uuid[4]; + char *path; }; +extern int map_update(struct map_ent **mpp, int devnum, int major, int minor, + int uuid[4], char *path); +extern struct map_ent *map_by_uuid(struct map_ent **map, int uuid[4]); +extern void map_read(struct map_ent **melp); +extern int map_write(struct map_ent *mel); +extern void map_delete(struct map_ent **mapp, int devnum); +extern void map_free(struct map_ent *map); +extern void map_add(struct map_ent **melp, + int devnum, int major, int minor, int uuid[4], char *path); + /* various details can be requested */ #define GET_LEVEL 1 #define GET_LAYOUT 2 @@ -267,6 +298,7 @@ struct sysarray { #define GET_CHUNK 8 #define GET_CACHE 16 #define GET_MISMATCH 32 +#define GET_VERSION 64 #define GET_DEVS 1024 /* gets role, major, minor */ #define GET_OFFSET 2048 @@ -277,12 +309,13 @@ struct sysarray { /* If fd >= 0, get the array it is open on, * else use devnum. >=0 -> major9. <0..... */ -extern struct sysarray *sysfs_read(int fd, int devnum, unsigned long options); -extern int sysfs_set_str(struct sysarray *sra, struct sysdev *dev, +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); @@ -309,42 +342,60 @@ extern char *map_dev(int major, int minor, int create); extern struct superswitch { - void (*examine_super)(void *sbv, char *homehost); - void (*brief_examine_super)(void *sbv); - void (*detail_super)(void *sbv, char *homehost); - void (*brief_detail_super)(void *sbv); - void (*uuid_from_super)(int uuid[4], void *sbv); - void (*getinfo_super)(struct mdinfo *info, void *sbv); - int (*match_home)(void *sbv, char *homehost); - int (*update_super)(struct mdinfo *info, void *sbv, char *update, + 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); + int (*match_home)(struct supertype *st, char *homehost); + int (*update_super)(struct supertype *st, struct mdinfo *info, + 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)(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 (*compare_super)(void **firstp, void *secondv); - int (*load_super)(struct supertype *st, int fd, void **sbp, 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, 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 (*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); int major; + char *text_version; int swapuuid; /* true if uuid is bigending rather than hostendian */ + int external; } super0, super1, *superlist[]; struct supertype { struct superswitch *ss; int minor_version; int max_devs; + void *sb; + void *info; }; -extern struct supertype *super_by_version(int vers, int minor); +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); #if __GNUC__ < 3 struct stat64; @@ -365,6 +416,11 @@ struct stat64; # undef HAVE_NFTW #endif +#if defined(__KLIBC__) +# undef HAVE_NFTW +# undef HAVE_FTW +#endif + #ifndef HAVE_NFTW # define FTW_PHYS 1 # ifndef HAVE_FTW @@ -385,6 +441,7 @@ 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, int verbose); +extern int autodetect(void); extern int Grow_Add_device(char *devname, int fd, char *newdev); extern int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int write_behind, int force); extern int Grow_reshape(char *devname, int fd, int quiet, char *backup_file, @@ -414,18 +471,23 @@ extern int Create(struct supertype *st, char *mddev, int mdfd, int runstop, int verbose, int force, int assume_clean, char *bitmap_file, int bitmap_chunk, int write_behind, int delay); -extern int Detail(char *dev, int brief, int test, char *homehost); +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 void RebuildMap(void); +extern int IncrementalScan(int verbose); + extern int CreateBitmap(char *filename, int force, char uuid[16], unsigned long chunksize, unsigned long daemon_sleep, unsigned long write_behind, @@ -448,6 +510,7 @@ extern int is_standard(char *dev, int *nump); extern int parse_auto(char *str, char *msg, int config); extern mddev_ident_t conf_get_ident(char *dev); extern mddev_dev_t conf_get_devs(void); +extern int conf_test_dev(char *devname); extern struct createinfo *conf_get_create_info(void); extern void set_conffile(char *file); extern char *conf_get_mailaddr(void); @@ -461,7 +524,6 @@ extern int match_oneof(char *devices, char *devname); extern void uuid_from_super(int uuid[4], mdp_super_t *super); extern int same_uuid(int a[4], int b[4], int swapuuid); extern void copy_uuid(void *a, int b[4], int swapuuid); -/* extern int compare_super(mdp_super_t *first, mdp_super_t *second);*/ extern unsigned long calc_csum(void *super, int bytes); extern int enough(int level, int raid_disks, int layout, int clean, char *avail, int avail_disks); @@ -473,18 +535,26 @@ extern void remove_partitions(int fd); 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 char DefaultConfFile[]; extern int open_mddev(char *dev, int autof); +extern int open_mddev_devnum(char *devname, int devnum, char *name, + char *chosen_name, int parts); #define LEVEL_MULTIPATH (-4) #define LEVEL_LINEAR (-1) #define LEVEL_FAULTY (-5) +/* kernel module doesn't know about these */ +#define LEVEL_CONTAINER (-100) + /* faulty stuff */