1 files changed, 80 insertions, 0 deletions
diff --git a/libbcachefs.h b/libbcachefs.h
new file mode 100644
index 00000000..f9cf8fe4
--- /dev/null
+++ b/libbcachefs.h
@@ -0,0 +1,80 @@
+#ifndef _LIBBCACHE_H
+#define _LIBBCACHE_H
+
+#include <linux/uuid.h>
+#include <stdbool.h>
+
+#include "bcachefs_format.h"
+#include "tools-util.h"
+#include "vstructs.h"
+
+struct cache_sb;
+
+enum fsck_err_opts {
+	FSCK_ERR_ASK,
+	FSCK_ERR_YES,
+	FSCK_ERR_NO,
+};
+
+extern enum fsck_err_opts fsck_err_opt;
+
+struct format_opts {
+	char		*label;
+	uuid_le		uuid;
+
+	unsigned	on_error_action;
+	unsigned	max_journal_entry_size; /* will be removed */
+
+	unsigned	block_size;
+	unsigned	btree_node_size;
+
+	unsigned	meta_replicas;
+	unsigned	data_replicas;
+
+	unsigned	meta_replicas_required;
+	unsigned	data_replicas_required;
+
+	unsigned	meta_csum_type;
+	unsigned	data_csum_type;
+	unsigned	compression_type;
+
+	bool		encrypted;
+	char		*passphrase;
+};
+
+static inline struct format_opts format_opts_default()
+{
+	return (struct format_opts) {
+		.on_error_action	= BCH_ON_ERROR_RO,
+		.meta_csum_type		= BCH_CSUM_CRC32C,
+		.data_csum_type		= BCH_CSUM_CRC32C,
+		.meta_replicas		= 1,
+		.data_replicas		= 1,
+		.meta_replicas_required	= 1,
+		.data_replicas_required	= 1,
+	};
+}
+
+struct dev_opts {
+	int		fd;
+	char		*path;
+	u64		size; /* 512 byte sectors */
+	unsigned	bucket_size;
+	unsigned	tier;
+	bool		discard;
+
+	u64		nbuckets;
+
+	u64		sb_offset;
+	u64		sb_end;
+};
+
+struct bch_sb *bcache_format(struct format_opts, struct dev_opts *, size_t);
+
+void bcache_super_write(int, struct bch_sb *);
+struct bch_sb *__bcache_super_read(int, u64);
+struct bch_sb *bcache_super_read(const char *);
+
+void bcache_super_print(struct bch_sb *, int);
+
+#endif /* _LIBBCACHE_H */