1/* SPDX-License-Identifier: GPL-2.0 */
 2/* 
 3 * Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
 4 * Copyright (C) 2001 RidgeRun, Inc (glonnon@ridgerun.com)
 5 */
 6
 7#ifndef __UM_UBD_USER_H
 8#define __UM_UBD_USER_H
 9
10extern int start_io_thread(unsigned long sp, int *fds_out);
11extern int io_thread(void *arg);
12extern int kernel_fd;
13
14extern int ubd_read_poll(int timeout);
15extern int ubd_write_poll(int timeout);
16
17#define UBD_REQ_BUFFER_SIZE 64
18
19#endif
20