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/*
* Copyright (C) 2022-2025 Colin Ian King
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef CORE_IO_PRIORITY_H
#define CORE_IO_PRIORITY_H
/*
* See ioprio_set(2) and linux/ioprio.h, glibc has no definitions
* for these at present. Also refer to Documentation/block/ioprio.txt
* in the Linux kernel source.
*/
#if !defined(IOPRIO_CLASS_RT)
#define IOPRIO_CLASS_RT (1)
#endif
#if !defined(IOPRIO_CLASS_BE)
#define IOPRIO_CLASS_BE (2)
#endif
#if !defined(IOPRIO_CLASS_IDLE)
#define IOPRIO_CLASS_IDLE (3)
#endif
#if !defined(IOPRIO_WHO_PROCESS)
#define IOPRIO_WHO_PROCESS (1)
#endif
#if !defined(IOPRIO_WHO_PGRP)
#define IOPRIO_WHO_PGRP (2)
#endif
#if !defined(IOPRIO_WHO_USER)
#define IOPRIO_WHO_USER (3)
#endif
#if !defined(IOPRIO_PRIO_VALUE)
#define IOPRIO_PRIO_VALUE(class, data) (((class) << 13) | (data))
#endif
int32_t stress_get_opt_ionice_class(const char *const str);
void stress_set_iopriority(const int32_t class, const int32_t level);
#endif
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