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c9f432b7ba
Update the OFED Infiniband core to the version supplied in Linux
version 3.7.
The update to OFED is nearly all additional defines and functions
with the exception of the addition of additional parameters to
ib_register_device() and the reg_user_mr callback.
In addition the ibcore (Infiniband core) and ipoib (IP over Infiniband)
have both been made into completely loadable modules to facilitate
testing of the OFED stack in FreeBSD.
Finally the Mellanox Infiniband drivers are now updated to the
latest version shipping with Linux 3.7.
Submitted by: Mellanox FreeBSD driver team:
Oded Shanoon (odeds mellanox.com),
Meny Yossefi (menyy mellanox.com),
Orit Moskovich (oritm mellanox.com)
Approved by: re
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#ifndef _COMPAT_LINUX_ATOMIC_H
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#define _COMPAT_LINUX_ATOMIC_H 1
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/*
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#include <linux/version.h>
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#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,36))
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#include_next <linux/atomic.h>
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#else
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*/
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#include <asm/atomic.h>
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/* Shahar Klein: atomic_inc_not_zero_hint do we need it? */
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#if 0
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/**
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* atomic_inc_not_zero_hint - increment if not null
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* @v: pointer of type atomic_t
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* @hint: probable value of the atomic before the increment
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*
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* This version of atomic_inc_not_zero() gives a hint of probable
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* value of the atomic. This helps processor to not read the memory
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* before doing the atomic read/modify/write cycle, lowering
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* number of bus transactions on some arches.
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*
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* Returns: 0 if increment was not done, 1 otherwise.
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*/
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#ifndef atomic_inc_not_zero_hint
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static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint)
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{
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int val, c = hint;
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/* sanity test, should be removed by compiler if hint is a constant */
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if (!hint)
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return atomic_inc_not_zero(v);
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do {
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val = atomic_cmpxchg(v, c, c + 1);
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if (val == c)
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return 1;
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c = val;
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} while (c);
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return 0;
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}
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#endif
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#endif
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//#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,36)) */
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#endif /* _COMPAT_LINUX_ATOMIC_H */
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