c7818b48b6
hardware driver update from Mellanox Technologies. - Remove empty files from the OFED Linux Emulation layer. - Fix compile warnings related to printf() and the "%lld" and "%llx" format specifiers. - Add some missing 2-clause BSD copyrights. - Add "Mellanox Technologies, Ltd." to list of copyright holders. - Add some new compatibility files. - Fix order of uninit in the mlx4ib module to avoid crash at unload using the new module_exit_order() function. MFC after: 1 week Sponsored by: Mellanox Technologies
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*-
|
|
* Copyright (c) 2010 Isilon Systems, Inc.
|
|
* Copyright (c) 2010 iX Systems, Inc.
|
|
* Copyright (c) 2010 Panasas, Inc.
|
|
* Copyright (c) 2013, 2014 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 _ATOMIC_LONG_H_
|
|
#define _ATOMIC_LONG_H_
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/types.h>
|
|
#include <machine/atomic.h>
|
|
|
|
typedef struct {
|
|
volatile u_long counter;
|
|
} atomic_long_t;
|
|
|
|
#define atomic_long_add(i, v) atomic_long_add_return((i), (v))
|
|
#define atomic_long_inc_return(v) atomic_long_add_return(1, (v))
|
|
|
|
static inline long
|
|
atomic_long_add_return(long i, atomic_long_t *v)
|
|
{
|
|
return i + atomic_fetchadd_long(&v->counter, i);
|
|
}
|
|
|
|
static inline void
|
|
atomic_long_set(atomic_long_t *v, long i)
|
|
{
|
|
atomic_store_rel_long(&v->counter, i);
|
|
}
|
|
|
|
static inline long
|
|
atomic_long_read(atomic_long_t *v)
|
|
{
|
|
return atomic_load_acq_long(&v->counter);
|
|
}
|
|
|
|
static inline long
|
|
atomic_long_inc(atomic_long_t *v)
|
|
{
|
|
return atomic_fetchadd_long(&v->counter, 1) + 1;
|
|
}
|
|
|
|
static inline long
|
|
atomic_long_dec(atomic_long_t *v)
|
|
{
|
|
return atomic_fetchadd_long(&v->counter, -1) - 1;
|
|
}
|
|
|
|
static inline long
|
|
atomic_long_dec_and_test(atomic_long_t *v)
|
|
{
|
|
long i = atomic_long_add(-1, v);
|
|
return i == 0 ;
|
|
}
|
|
|
|
#endif /* _ATOMIC_LONG_H_ */
|