18d59ecb2SHans Petter Selasky /*- 28d59ecb2SHans Petter Selasky * Copyright (c) 2010 Isilon Systems, Inc. 38d59ecb2SHans Petter Selasky * Copyright (c) 2010 iX Systems, Inc. 48d59ecb2SHans Petter Selasky * Copyright (c) 2010 Panasas, Inc. 5*1e3db1deSHans Petter Selasky * Copyright (c) 2013-2017 Mellanox Technologies, Ltd. 68d59ecb2SHans Petter Selasky * All rights reserved. 78d59ecb2SHans Petter Selasky * 88d59ecb2SHans Petter Selasky * Redistribution and use in source and binary forms, with or without 98d59ecb2SHans Petter Selasky * modification, are permitted provided that the following conditions 108d59ecb2SHans Petter Selasky * are met: 118d59ecb2SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 128d59ecb2SHans Petter Selasky * notice unmodified, this list of conditions, and the following 138d59ecb2SHans Petter Selasky * disclaimer. 148d59ecb2SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 158d59ecb2SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 168d59ecb2SHans Petter Selasky * documentation and/or other materials provided with the distribution. 178d59ecb2SHans Petter Selasky * 188d59ecb2SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 198d59ecb2SHans Petter Selasky * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 208d59ecb2SHans Petter Selasky * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 218d59ecb2SHans Petter Selasky * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 228d59ecb2SHans Petter Selasky * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 238d59ecb2SHans Petter Selasky * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 248d59ecb2SHans Petter Selasky * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 258d59ecb2SHans Petter Selasky * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 268d59ecb2SHans Petter Selasky * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 278d59ecb2SHans Petter Selasky * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 288d59ecb2SHans Petter Selasky * 298d59ecb2SHans Petter Selasky * $FreeBSD$ 308d59ecb2SHans Petter Selasky */ 318d59ecb2SHans Petter Selasky #ifndef _LINUX_COMPAT_H_ 328d59ecb2SHans Petter Selasky #define _LINUX_COMPAT_H_ 338d59ecb2SHans Petter Selasky 34*1e3db1deSHans Petter Selasky #include <sys/param.h> 35*1e3db1deSHans Petter Selasky #include <sys/proc.h> 36*1e3db1deSHans Petter Selasky #include <sys/malloc.h> 37*1e3db1deSHans Petter Selasky 383ce12630SHans Petter Selasky struct thread; 393ce12630SHans Petter Selasky struct task_struct; 403ce12630SHans Petter Selasky 41*1e3db1deSHans Petter Selasky extern int linux_alloc_current(struct thread *, int flags); 42*1e3db1deSHans Petter Selasky extern void linux_free_current(struct task_struct *); 43*1e3db1deSHans Petter Selasky 44*1e3db1deSHans Petter Selasky static inline void 45*1e3db1deSHans Petter Selasky linux_set_current(struct thread *td) 46*1e3db1deSHans Petter Selasky { 47*1e3db1deSHans Petter Selasky if (__predict_false(td->td_lkpi_task == NULL)) 48*1e3db1deSHans Petter Selasky linux_alloc_current(td, M_WAITOK); 49*1e3db1deSHans Petter Selasky } 50*1e3db1deSHans Petter Selasky 51*1e3db1deSHans Petter Selasky static inline int 52*1e3db1deSHans Petter Selasky linux_set_current_flags(struct thread *td, int flags) 53*1e3db1deSHans Petter Selasky { 54*1e3db1deSHans Petter Selasky if (__predict_false(td->td_lkpi_task == NULL)) 55*1e3db1deSHans Petter Selasky return (linux_alloc_current(td, flags)); 56*1e3db1deSHans Petter Selasky return (0); 57*1e3db1deSHans Petter Selasky } 583ce12630SHans Petter Selasky 598d59ecb2SHans Petter Selasky #endif /* _LINUX_COMPAT_H_ */ 60