X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fmdadm.git;a=blobdiff_plain;f=mdadm.h;h=64f41fd0285e62c2c9b283b6b69f9df54323b3d5;hp=25c8b8f4ac06c7dae3d2c0949e15cf98f3007aa8;hb=f7dd881f909a7bc552a6de3c1fc4920bb0bfdff2;hpb=a1cbd7d053e034bbfcf337bc9ee7b92ec4c6f6c0 diff --git a/mdadm.h b/mdadm.h index 25c8b8f4..64f41fd0 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 @@ -44,10 +49,11 @@ 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 +#ifdef __dietlibc__ +#include +/* dietlibc has deprecated random and srandom!! */ +#define random rand +#define srandom srand #endif @@ -70,18 +76,62 @@ char *strncpy(char *dest, const char *src, size_t n) __THROW; #include "md_u.h" #include "md_p.h" #include "bitmap.h" +#include "msg.h" #include -/* #include "asm/byteorder.h" Redhat don't like this so... */ -#if __BYTE_ORDER == __LITTLE_ENDIAN -# include -#elif __BYTE_ORDER == __BIG_ENDIAN -# include -#elif __BYTE_ORDER == __PDP_ENDIAN -# include +/* Redhat don't like to #include , and + * some time include isn't enough, + * and there is no standard conversion function so... */ +/* And dietlibc doesn't think byteswap is ok, so.. */ +/* #include */ +#define bswap_16(x) (((x) & 0x00ffU) << 8 | \ + ((x) & 0xff00U) >> 8) +#define bswap_32(x) (((x) & 0x000000ffU) << 24 | \ + ((x) & 0xff000000U) >> 24 | \ + ((x) & 0x0000ff00U) << 8 | \ + ((x) & 0x00ff0000U) >> 8) +#define bswap_64(x) (((x) & 0x00000000000000ffULL) << 56 | \ + ((x) & 0xff00000000000000ULL) >> 56 | \ + ((x) & 0x000000000000ff00ULL) << 40 | \ + ((x) & 0x00ff000000000000ULL) >> 40 | \ + ((x) & 0x0000000000ff0000ULL) << 24 | \ + ((x) & 0x0000ff0000000000ULL) >> 24 | \ + ((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) +#define __cpu_to_le64(_x) (_x) +#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 __cpu_to_le64(_x) bswap_64(_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 +#endif /* __KLIBC__ */ @@ -93,10 +143,22 @@ struct mdinfo { 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; }; struct createinfo { @@ -104,6 +166,8 @@ struct createinfo { int gid; int autof; int mode; + int symlinks; + struct supertype *supertype; }; #define Name "mdadm" @@ -116,13 +180,17 @@ 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 @@ -137,6 +205,9 @@ enum special_options { Sparc22, BackupFile, HomeHost, + AutoHomeHost, + Symlinks, + AutoDetect, }; /* structures read from config file */ @@ -152,7 +223,7 @@ enum special_options { #define UnSet (0xfffe) typedef struct mddev_ident_s { char *devname; - + int uuid_set; int uuid[4]; char name[33]; @@ -182,6 +253,7 @@ typedef struct mddev_dev_s { */ char writemostly; char re_add; + char used; /* set when used */ struct mddev_dev_s *next; } *mddev_dev_t; @@ -205,31 +277,33 @@ 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; +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 #define GET_COMPONENT 4 #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 @@ -240,13 +314,19 @@ 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); +extern int sysfs_set_array(struct mdinfo *sra, + struct mdinfo *info); +extern int sysfs_add_disk(struct mdinfo *sra, int fd, struct mdinfo *sd); + + extern int save_stripes(int *source, unsigned long long *offsets, @@ -272,53 +352,105 @@ 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 (*update_super)(struct mdinfo *info, void *sbv, char *update, char *devname, int verbose); - __u64 (*event_super)(void *sbv); - int (*init_super)(struct supertype *st, void **sbp, mdu_array_info_t *info, unsigned long long size, char *name, char *homehost); - 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); + 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, + char *update, + char *devname, int verbose, + int uuid_set, char *homehost); + 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 chunk, int delay, int write_behind, + 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); + + struct mdinfo *(*container_content)(struct supertype *st); + 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; }; -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); #if __GNUC__ < 3 struct stat64; #endif +#define HAVE_NFTW we assume +#define HAVE_FTW + #ifdef UCLIBC - struct FTW {}; +# include +# ifndef __UCLIBC_HAS_FTW__ +# undef HAVE_FTW +# undef HAVE_NFTW +# endif +#endif + +#ifdef __dietlibc__ +# undef HAVE_NFTW +#endif + +#if defined(__KLIBC__) +# undef HAVE_NFTW +# undef HAVE_FTW +#endif + +#ifndef HAVE_NFTW # define FTW_PHYS 1 -#else -# include -# ifdef __dietlibc__ -# define FTW_PHYS 1 +# ifndef HAVE_FTW + struct FTW {}; # endif #endif +#ifdef HAVE_FTW +# include +#endif + extern int add_dev(const char *name, const struct stat *stb, int flag, struct FTW *s); @@ -328,6 +460,7 @@ 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, @@ -339,10 +472,9 @@ extern int Grow_restart(struct supertype *st, struct mdinfo *info, extern int Assemble(struct supertype *st, char *mddev, int mdfd, mddev_ident_t ident, - char *conffile, mddev_dev_t devlist, char *backup_file, int readonly, int runstop, - char *update, + char *update, char *homehost, int verbose, int force); extern int Build(char *mddev, int mdfd, int chunk, int level, int layout, @@ -353,21 +485,29 @@ extern int Build(char *mddev, int mdfd, int chunk, int level, int layout, extern int Create(struct supertype *st, char *mddev, int mdfd, int chunk, int level, int layout, unsigned long long size, int raiddisks, int sparedisks, - char *name, char *homehost, + char *name, char *homehost, int *uuid, int subdevs, mddev_dev_t devlist, 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, char *config, int test, char *pidfile); + 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 CreateBitmap(char *filename, int force, char uuid[16], unsigned long chunksize, unsigned long daemon_sleep, @@ -375,7 +515,7 @@ extern int CreateBitmap(char *filename, int force, char uuid[16], unsigned long long array_size, int major); extern int ExamineBitmap(char *filename, int brief, struct supertype *st); -extern void bitmap_update_uuid(int fd, int *uuid); +extern int bitmap_update_uuid(int fd, int *uuid, int swap); extern int md_get_version(int fd); extern int get_linux_version(void); @@ -389,42 +529,59 @@ extern int dev_open(char *dev, int flags); 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 *conffile, char *dev); -extern mddev_dev_t conf_get_devs(char *conffile); -extern struct createinfo *conf_get_create_info(char *conffile); -extern char *conf_get_mailaddr(char *conffile); -extern char *conf_get_mailfrom(char *conffile); -extern char *conf_get_program(char *conffile); -extern char *conf_get_homehost(char *conffile); +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); +extern char *conf_get_mailfrom(void); +extern char *conf_get_program(void); +extern char *conf_get_homehost(void); 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 void uuid_from_super(int uuid[4], mdp_super_t *super); extern int same_uuid(int a[4], int b[4], int swapuuid); -/* extern int compare_super(mdp_super_t *first, mdp_super_t *second);*/ +extern void copy_uuid(void *a, int b[4], int swapuuid); extern unsigned long calc_csum(void *super, int bytes); -extern int enough(int level, int raid_disks, int layout, +extern int enough(int level, int raid_disks, int layout, int clean, char *avail, int avail_disks); 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 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); +extern int open_container(int fd); +extern char *devnum2devname(int num); +extern int fd2devnum(int fd); #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 */