xref: /openbmc/linux/arch/um/drivers/ubd.h (revision dbddf429)
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 
10 extern int start_io_thread(unsigned long sp, int *fds_out);
11 extern int io_thread(void *arg);
12 extern int kernel_fd;
13 
14 extern int ubd_read_poll(int timeout);
15 extern int ubd_write_poll(int timeout);
16 
17 #define UBD_REQ_BUFFER_SIZE 64
18 
19 #endif
20 
21