X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fmdadm.git;a=blobdiff_plain;f=mdadm.h;h=bf583b41e9ce347fa4d54b0c7be1fbe4847345ec;hp=7bfd8cb28e918649fa982320ff8e4cf610feed53;hb=68c7d6d790f856b4e8301d0afa7fc6873a0d4bb8;hpb=05697ec1e26eadc2f814d9f84f8c783fff5b98b5 diff --git a/mdadm.h b/mdadm.h index 7bfd8cb2..bf583b41 100644 --- a/mdadm.h +++ b/mdadm.h @@ -29,8 +29,12 @@ #define _GNU_SOURCE #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 +48,11 @@ 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 @@ -72,16 +77,45 @@ char *strncpy(char *dest, const char *src, size_t n) __THROW; #include "bitmap.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) +#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) #else # error "unknown endianness." #endif +#endif /* __KLIBC__ */ @@ -104,6 +138,8 @@ struct createinfo { int gid; int autof; int mode; + int symlinks; + struct supertype *supertype; }; #define Name "mdadm" @@ -116,13 +152,17 @@ 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 +177,9 @@ enum special_options { Sparc22, BackupFile, HomeHost, + AutoHomeHost, + Symlinks, + AutoDetect, }; /* structures read from config file */ @@ -152,7 +195,7 @@ enum special_options { #define UnSet (0xfffe) typedef struct mddev_ident_s { char *devname; - + int uuid_set; int uuid[4]; char name[33]; @@ -182,6 +225,7 @@ typedef struct mddev_dev_s { */ char writemostly; char re_add; + char used; /* set when used */ struct mddev_dev_s *next; } *mddev_dev_t; @@ -205,6 +249,24 @@ 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); + +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); /* Data structure for holding info read from sysfs */ struct sysdev { @@ -224,12 +286,18 @@ struct sysarray { 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_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 @@ -240,6 +308,7 @@ struct sysarray { /* 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, char *name, char *val); @@ -272,26 +341,32 @@ extern char *map_dev(int major, int minor, int create); 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)(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); + 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); + int (*update_super)(struct supertype *st, struct mdinfo *info, + void *sbv, 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 (*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)(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, void *sbv, 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); int major; int swapuuid; /* true if uuid is bigending rather than hostendian */ } super0, super1, *superlist[]; @@ -304,21 +379,45 @@ struct supertype { extern struct supertype *super_by_version(int vers, int minor); extern struct supertype *guess_super(int fd); +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 +427,7 @@ 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 +439,9 @@ 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 +452,27 @@ 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); +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); + 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 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, @@ -375,7 +480,7 @@ 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); @@ -389,25 +494,29 @@ 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 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, +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 char *human_size(long long bytes); @@ -419,6 +528,8 @@ 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); #define LEVEL_MULTIPATH (-4)