1219820Sjeff/*- 2219820Sjeff * Copyright (c) 2010 Isilon Systems, Inc. 3219820Sjeff * Copyright (c) 2010 iX Systems, Inc. 4219820Sjeff * Copyright (c) 2010 Panasas, Inc. 5328653Shselasky * Copyright (c) 2013-2017 Mellanox Technologies, Ltd. 6219820Sjeff * All rights reserved. 7219820Sjeff * 8219820Sjeff * Redistribution and use in source and binary forms, with or without 9219820Sjeff * modification, are permitted provided that the following conditions 10219820Sjeff * are met: 11219820Sjeff * 1. Redistributions of source code must retain the above copyright 12219820Sjeff * notice unmodified, this list of conditions, and the following 13219820Sjeff * disclaimer. 14219820Sjeff * 2. Redistributions in binary form must reproduce the above copyright 15219820Sjeff * notice, this list of conditions and the following disclaimer in the 16219820Sjeff * documentation and/or other materials provided with the distribution. 17219820Sjeff * 18219820Sjeff * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19219820Sjeff * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20219820Sjeff * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21219820Sjeff * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22219820Sjeff * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23219820Sjeff * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24219820Sjeff * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25219820Sjeff * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26219820Sjeff * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27219820Sjeff * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28289644Shselasky * 29289644Shselasky * $FreeBSD: stable/11/sys/compat/linuxkpi/common/include/linux/compat.h 328653 2018-02-01 13:01:44Z hselasky $ 30219820Sjeff */ 31219820Sjeff#ifndef _LINUX_COMPAT_H_ 32219820Sjeff#define _LINUX_COMPAT_H_ 33219820Sjeff 34328653Shselasky#include <sys/param.h> 35328653Shselasky#include <sys/proc.h> 36328653Shselasky#include <sys/malloc.h> 37328653Shselasky 38300590Shselaskystruct thread; 39300590Shselaskystruct task_struct; 40300590Shselasky 41328653Shselaskyextern int linux_alloc_current(struct thread *, int flags); 42328653Shselaskyextern void linux_free_current(struct task_struct *); 43300590Shselasky 44328653Shselaskystatic inline void 45328653Shselaskylinux_set_current(struct thread *td) 46328653Shselasky{ 47328653Shselasky if (__predict_false(td->td_lkpi_task == NULL)) 48328653Shselasky linux_alloc_current(td, M_WAITOK); 49328653Shselasky} 50328653Shselasky 51328653Shselaskystatic inline int 52328653Shselaskylinux_set_current_flags(struct thread *td, int flags) 53328653Shselasky{ 54328653Shselasky if (__predict_false(td->td_lkpi_task == NULL)) 55328653Shselasky return (linux_alloc_current(td, flags)); 56328653Shselasky return (0); 57328653Shselasky} 58328653Shselasky 59219820Sjeff#endif /* _LINUX_COMPAT_H_ */ 60