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/*-
* Copyright (c) 2010 Isilon Systems, Inc.
* Copyright (c) 2010 iX Systems, Inc.
* Copyright (c) 2010 Panasas, Inc.
* Copyright (c) 2013-2017 Mellanox Technologies, Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUXKPI_LINUX_COMPAT_H_
#define _LINUXKPI_LINUX_COMPAT_H_
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/malloc.h>
struct domainset;
struct thread;
struct task_struct;
extern int linux_alloc_current(struct thread *, int flags);
extern void linux_free_current(struct task_struct *);
extern struct domainset *linux_get_vm_domain_set(int node);
#define __current_unallocated(td) \
__predict_false((td)->td_lkpi_task == NULL)
static inline void
linux_set_current(struct thread *td)
{
if (__current_unallocated(td))
lkpi_alloc_current(td, M_WAITOK);
}
static inline int
linux_set_current_flags(struct thread *td, int flags)
{
if (__current_unallocated(td))
return (lkpi_alloc_current(td, flags));
return (0);
}
#define compat_ptr(x) ((void *)(uintptr_t)x)
#define ptr_to_compat(x) ((uintptr_t)x)
typedef void fpu_safe_exec_cb_t(void *ctx);
void lkpi_fpu_safe_exec(fpu_safe_exec_cb_t func, void *ctx);
#endif /* _LINUXKPI_LINUX_COMPAT_H_ */
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