73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
#ifndef _KERNEL_FS_VFS_H
|
|
#define _KERNEL_FS_VFS_H
|
|
|
|
#include <desc.h>
|
|
#include <device/device.h>
|
|
#include <libk/hash.h>
|
|
#include <libk/list.h>
|
|
#include <libk/rbtree.h>
|
|
#include <libk/std.h>
|
|
#include <path.h>
|
|
#include <proc/proc.h>
|
|
#include <proc/procgroup.h>
|
|
#include <proc/reschedule.h>
|
|
#include <sync/spin_lock.h>
|
|
|
|
#define VFS_TARFS 0
|
|
|
|
struct vfs_mountpoint;
|
|
|
|
struct vfs_handle {
|
|
int id;
|
|
struct vfs_mountpoint* mountpoint;
|
|
char path[MAX_PATH];
|
|
struct procgroup* ownerpg;
|
|
struct rb_node_link handle_tree_link;
|
|
struct list_node_link handle_cleanup_link;
|
|
spin_lock_t lock;
|
|
};
|
|
|
|
struct vfs_mountpoint {
|
|
char key[0x100];
|
|
struct hash_node_link mount_table_link;
|
|
int fs_type;
|
|
struct {
|
|
int (*mount) (struct vfs_mountpoint* mountpoint, struct proc* proc,
|
|
struct reschedule_ctx* rctx);
|
|
|
|
int (*describe) (struct vfs_mountpoint* mountpoint, const char* path, struct desc* desc);
|
|
|
|
int (*read) (struct vfs_mountpoint* mountpoint, const char* path, uint8_t* buffer, size_t off,
|
|
size_t size);
|
|
} driver_ops;
|
|
struct device* back_device;
|
|
void* udata
|
|
};
|
|
|
|
struct vfs_mount_table {
|
|
struct hash_node_link* mountpoint_buckets[1024];
|
|
spin_lock_t lock;
|
|
};
|
|
|
|
int vfs_create_mountpoint (const char* key, int fs_type, struct device* back_device,
|
|
struct proc* proc, struct reschedule_ctx* rctx);
|
|
|
|
int vfs_describe (struct procgroup* procgroup, int id, struct desc* desc);
|
|
|
|
int vfs_read (struct procgroup* procgroup, int id, uint8_t* buffer, size_t off, size_t size);
|
|
|
|
int vfs_close (struct procgroup* procgroup, int id);
|
|
|
|
int vfs_open (struct procgroup* procgroup, const char* mountpoint, const char* path);
|
|
|
|
int vfs_kernel_read (const char* mountpoint, const char* path, uint8_t* buffer, size_t off,
|
|
size_t size);
|
|
|
|
int vfs_kernel_describe (const char* mountpoint, const char* path, struct desc* desc);
|
|
|
|
void vfs_procgroup_cleanup (struct procgroup* procgroup);
|
|
|
|
void vfs_init (void);
|
|
|
|
#endif // _KERNEL_FS_VFS_H
|