Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright (C) 2001 RidgeRun, Inc (glonnon@ridgerun.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #ifndef __UM_UBD_USER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define __UM_UBD_USER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) extern int start_io_thread(unsigned long sp, int *fds_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) extern int io_thread(void *arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) extern int kernel_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) extern int ubd_read_poll(int timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) extern int ubd_write_poll(int timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define UBD_REQ_BUFFER_SIZE 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)