rosetta/lib/libfs/include/fs/context.h

#ifndef FS_CONTEXT_H_
#define FS_CONTEXT_H_

#include <rosetta/fs.h>
#include <xpc/msg.h>

struct fs_file;
struct fs_dentry;
struct fs_context;
struct fs_allocator;
struct fs_superblock;

enum fs_mount_flags {
	FS_MOUNT_READONLY = 0x01u,
};

typedef enum fs_status (*fs_mount_function_t)(
	struct fs_context *,
	void *arg,
	enum fs_mount_flags,
	struct fs_superblock **);

extern struct fs_context *fs_context_create(struct fs_allocator *alloc);
extern void fs_context_destroy(struct fs_context *ctx);

extern enum fs_status fs_context_mount_filesystem(
	struct fs_context *ctx,
	fs_mount_function_t func,
	void *arg,
	enum fs_mount_flags flags);
extern enum fs_status fs_context_unmount_filesystem(struct fs_context *ctx);

extern struct fs_file *fs_context_open_file(
	struct fs_context *ctx,
	unsigned long id);
extern struct fs_file *fs_context_get_file(
	struct fs_context *ctx,
	unsigned long id);
extern void fs_context_close_file(struct fs_context *ctx, struct fs_file *f);

extern enum fs_status fs_context_resolve_path(
	struct fs_context *ctx,
	const char *path,
	struct fs_dentry **out);

extern kern_status_t fs_context_dispatch_msg(
	struct fs_context *ctx,
	xpc_msg_t *msg);

extern void *fs_context_alloc(struct fs_context *ctx, size_t count);
extern void *fs_context_calloc(struct fs_context *ctx, size_t count, size_t sz);
extern void *fs_context_realloc(struct fs_context *ctx, void *p, size_t count);
extern void fs_context_free(struct fs_context *ctx, void *p);

#endif