162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */
262306a36Sopenharmony_ci/*
362306a36Sopenharmony_ci * Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
462306a36Sopenharmony_ci * Copyright (C) 2001 RidgeRun, Inc (glonnon@ridgerun.com)
562306a36Sopenharmony_ci */
662306a36Sopenharmony_ci
762306a36Sopenharmony_ci#ifndef __UM_UBD_USER_H
862306a36Sopenharmony_ci#define __UM_UBD_USER_H
962306a36Sopenharmony_ci
1062306a36Sopenharmony_ciextern int start_io_thread(unsigned long sp, int *fds_out);
1162306a36Sopenharmony_ciextern int io_thread(void *arg);
1262306a36Sopenharmony_ciextern int kernel_fd;
1362306a36Sopenharmony_ci
1462306a36Sopenharmony_ciextern int ubd_read_poll(int timeout);
1562306a36Sopenharmony_ciextern int ubd_write_poll(int timeout);
1662306a36Sopenharmony_ci
1762306a36Sopenharmony_ci#define UBD_REQ_BUFFER_SIZE 64
1862306a36Sopenharmony_ci
1962306a36Sopenharmony_ci#endif
2062306a36Sopenharmony_ci
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