Merge branch 'master' into gfio
[fio.git] / arch / arch-x86.h
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1#ifndef ARCH_X86_H
2#define ARCH_X86_H
3
cca84643 4#define FIO_ARCH (arch_i386)
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5
6#ifndef __NR_ioprio_set
7#define __NR_ioprio_set 289
8#define __NR_ioprio_get 290
9#endif
10
11#ifndef __NR_fadvise64
12#define __NR_fadvise64 250
13#endif
14
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15#ifndef __NR_sys_splice
16#define __NR_sys_splice 313
17#define __NR_sys_tee 315
18#define __NR_sys_vmsplice 316
19#endif
20
bf0dc8fa 21#ifndef __NR_async_exec
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22#define __NR_async_exec 325
23#define __NR_async_wait 326
24#define __NR_umem_add 327
25#define __NR_async_thread 328
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26#endif
27
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28#define FIO_HUGE_PAGE 4194304
29
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30#define FIO_HAVE_SYSLET
31
db6defc7 32#define nop __asm__ __volatile__("rep;nop": : :"memory")
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33#define read_barrier() __asm__ __volatile__("": : :"memory")
34#define write_barrier() __asm__ __volatile__("": : :"memory")
ebac4655 35
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36static inline unsigned long arch_ffz(unsigned long bitmask)
37{
38 __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
39 return bitmask;
40}
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41
42static inline unsigned long long get_cpu_clock(void)
43{
44 unsigned long ret;
45
46 __asm__ __volatile__("rdtsc" : "=A" (ret));
47 return ret;
48}
49
8f7e39dd 50#define ARCH_HAVE_FFZ
c223da83 51#define ARCH_HAVE_CPU_CLOCK
8f7e39dd 52
ebac4655 53#endif