Separate sueprblock handling into separate file

[thirdparty/mdadm.git] / mdadm.h

diff --git a/mdadm.h b/mdadm.h
index 831e26716fa3d67f9076528f21b9003750d489ee..6638a342c95faba8b653422533db54e3d51c21a6 100644 (file)
--- a/mdadm.h
+++ b/mdadm.h
@@ -65,6 +65,14 @@ char *strncpy(char *dest, const char *src, size_t n) __THROW;
 #include       "md_u.h"
 #include       "md_p.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"
 
 enum mode {
@@ -150,7 +158,7 @@ extern void mdstat_wait(int seconds);
 
 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);
 
@@ -158,6 +166,7 @@ extern char *map_dev(int major, int minor);
 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);
@@ -171,7 +180,7 @@ 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, int assume_clean);
 
@@ -187,7 +196,7 @@ extern int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust);
 extern int Monitor(mddev_dev_t devlist,
                   char *mailaddr, char *alert_cmd,
                   int period, int daemonise, int scan, int oneshot,
-                  char *config, int test);
+                  char *config, int test, char *pidfile);
 
 extern int Kill(char *dev, int force);
 
@@ -199,7 +208,7 @@ 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);
+extern int is_standard(char *dev, int *nump);
 
 
 extern mddev_ident_t conf_get_ident(char *conffile, char *dev);
@@ -210,11 +219,10 @@ 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 unsigned long 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);
@@ -227,3 +235,45 @@ 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
+
+extern void examine_super0(void *sbv);
+extern void brief_examine_super0(void *sbv);
+extern void detail_super0(void *sbv);
+extern void brief_detail_super0(void *sbv);
+extern void getinfo_super0(struct mdinfo *info, void *sbv);
+extern int update_super0(struct mdinfo *info, void *sbv, char *update, char *devname, int verbose);
+extern __u64 event_super0(void *sbv);
+extern void uuid_from_super0(int uuid[4], void * sbv);
+extern void init_super0(void **sbv, mdu_array_info_t *info);
+extern void add_to_super0(void *sbp, mdu_disk_info_t *dinfo);
+extern int store_super0(int fd, mdp_super_t *super);
+extern int write_init_super0(void *sbv, mdu_disk_info_t *dinfo, char *devname);
+extern int load_super0(int fd, void **super, char *devname);
+extern int compare_super0(void **first, void *second);