mirror of
https://github.com/drasko/codezero.git
synced 2026-01-12 10:53:16 +01:00
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
#ifndef __MM0_FILE_H__
|
|
#define __MM0_FILE_H__
|
|
|
|
#include <l4/lib/list.h>
|
|
#include <l4lib/types.h>
|
|
#include <posix/sys/types.h>
|
|
#include <task.h>
|
|
|
|
int vfs_read(unsigned long vnum, unsigned long f_offset, unsigned long npages,
|
|
void *pagebuf);
|
|
int vfs_write(unsigned long vnum, unsigned long f_offset, unsigned long npages,
|
|
void *pagebuf);
|
|
int sys_read(struct tcb *sender, int fd, void *buf, int count);
|
|
int sys_write(struct tcb *sender, int fd, void *buf, int count);
|
|
int sys_lseek(struct tcb *sender, int fd, off_t offset, int whence);
|
|
int sys_close(struct tcb *sender, int fd);
|
|
int sys_fsync(struct tcb *sender, int fd);
|
|
int file_open(struct tcb *opener, int fd);
|
|
|
|
int vfs_open_bypath(const char *pathname, unsigned long *vnum, unsigned long *length);
|
|
|
|
struct vm_file *do_open2(struct tcb *task, int fd, unsigned long vnum, unsigned long length);
|
|
int flush_file_pages(struct vm_file *f);
|
|
int read_file_pages(struct vm_file *vmfile, unsigned long pfn_start,
|
|
unsigned long pfn_end);
|
|
|
|
struct vfs_file_data {
|
|
unsigned long vnum;
|
|
};
|
|
|
|
#define vm_file_to_vnum(f) \
|
|
(((struct vfs_file_data *)((f)->priv_data))->vnum)
|
|
struct vm_file *vfs_file_create(void);
|
|
|
|
|
|
extern struct list_head vm_file_list;
|
|
|
|
#endif /* __MM0_FILE_H__ */
|