volume_id: give access to list of all available probers

[elogind.git] / extras / volume_id / lib / libvolume_id.h

diff --git a/extras/volume_id/lib/libvolume_id.h b/extras/volume_id/lib/libvolume_id.h
index adfc75cb992d00deb6ad7db08582edd113e92f6e..c0ab29e0f782daaab35ecd8e54506465e377fc74 100644 (file)
--- a/extras/volume_id/lib/libvolume_id.h
+++ b/extras/volume_id/lib/libvolume_id.h
@@ -16,9 +16,38 @@
 
 typedef void (*volume_id_log_fn_t)(int priority, const char *file, int line, const char *format, ...)
             __attribute__ ((format(printf, 4, 5)));
-
 extern volume_id_log_fn_t volume_id_log_fn;
 
+struct volume_id;
+typedef int (*volume_id_probe_fn_t)(struct volume_id *id, uint64_t off, uint64_t size);
+typedef int (*all_probers_fn_t)(volume_id_probe_fn_t probe_fn,
+                               struct volume_id *id, uint64_t off, uint64_t size,
+                               void *data);
+
+extern struct volume_id *volume_id_open_fd(int fd);
+extern void volume_id_close(struct volume_id *id);
+extern int volume_id_probe_filesystem(struct volume_id *id, uint64_t off, uint64_t size);
+extern int volume_id_probe_raid(struct volume_id *id, uint64_t off, uint64_t size);
+extern int volume_id_probe_all(struct volume_id *id, uint64_t off, uint64_t size);
+extern const volume_id_probe_fn_t *volume_id_get_prober_by_type(const char *type);
+extern void volume_id_all_probers(all_probers_fn_t all_probers_fn,
+                                 struct volume_id *id, uint64_t off, uint64_t size,
+                                 void *data);
+extern int volume_id_get_label(struct volume_id *id, const char **label);
+extern int volume_id_get_label_raw(struct volume_id *id, const uint8_t **label, size_t *len);
+extern int volume_id_get_uuid(struct volume_id *id, const char **uuid);
+extern int volume_id_get_uuid_raw(struct volume_id *id, const uint8_t **uuid, size_t *len);
+extern int volume_id_get_usage(struct volume_id *id, const char **usage);
+extern int volume_id_get_type(struct volume_id *id, const char **type);
+extern int volume_id_get_type_version(struct volume_id *id, const char **type_version);
+
+/*
+ * Note: everything below will be made private or removed from
+ * a future version, and a new major release of libvolume_id
+ */
+
+extern struct volume_id *volume_id_open_node(const char *path);
+
 #define VOLUME_ID_LABEL_SIZE           64
 #define VOLUME_ID_UUID_SIZE            36
 #define VOLUME_ID_FORMAT_SIZE          32
@@ -56,21 +85,6 @@ struct volume_id {
        int             fd_close:1;
 };
 
-extern int volume_id_get_label(struct volume_id *id, const char **label);
-extern int volume_id_get_label_raw(struct volume_id *id, const uint8_t **label, size_t *len);
-extern int volume_id_get_uuid(struct volume_id *id, const char **uuid);
-extern int volume_id_get_uuid_raw(struct volume_id *id, const uint8_t **uuid, size_t *len);
-extern int volume_id_get_usage(struct volume_id *id, const char **usage);
-extern int volume_id_get_type(struct volume_id *id, const char **type);
-extern int volume_id_get_type_version(struct volume_id *id, const char **type_version);
-
-extern struct volume_id *volume_id_open_fd(int fd);
-extern struct volume_id *volume_id_open_node(const char *path);
-extern int volume_id_probe_all(struct volume_id *id, uint64_t off, uint64_t size);
-extern int volume_id_probe_filesystem(struct volume_id *id, uint64_t off, uint64_t size);
-extern int volume_id_probe_raid(struct volume_id *id, uint64_t off, uint64_t size);
-extern void volume_id_close(struct volume_id *id);
-
 /* filesystems */
 extern int volume_id_probe_cramfs(struct volume_id *id, uint64_t off, uint64_t size);
 extern int volume_id_probe_ext(struct volume_id *id, uint64_t off, uint64_t size);