[fio.git] / arch / arch-x86_64.h

#ifndef ARCH_X86_64_h
#define ARCH_X86_64_h

#define ARCH	(arch_x86_64)

#ifndef __NR_ioprio_set
#define __NR_ioprio_set		251
#define __NR_ioprio_get		252
#endif

#ifndef __NR_fadvise64
#define __NR_fadvise64		221
#endif

#ifndef __NR_sys_splice
#define __NR_sys_splice		275
#define __NR_sys_tee		276
#define __NR_sys_vmsplice	278
#endif

#ifndef __NR_async_exec
#define __NR_async_exec		286
#define __NR_async_wait		287
#define __NR_umem_add		288
#define __NR_async_thread	289
#endif

#define	FIO_HUGE_PAGE		2097152

#define FIO_HAVE_SYSLET

#define nop		__asm__ __volatile__("rep;nop": : :"memory")
#define read_barrier()	__asm__ __volatile__("lfence":::"memory")
#define write_barrier()	__asm__ __volatile__("sfence":::"memory")

static inline unsigned int arch_ffz(unsigned int bitmask)
{
	__asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
	return bitmask;
}
#define ARCH_HAVE_FFZ
#define ARCH_HAVE_SSE

#endif
Commit	Line	Data
	1	#ifndef ARCH_X86_64_h
	2	#define ARCH_X86_64_h
	3
	4	#define ARCH (arch_x86_64)
	5
	6	#ifndef __NR_ioprio_set
	7	#define __NR_ioprio_set 251
	8	#define __NR_ioprio_get 252
	9	#endif
	10
	11	#ifndef __NR_fadvise64
	12	#define __NR_fadvise64 221
	13	#endif
	14
	15	#ifndef __NR_sys_splice
	16	#define __NR_sys_splice 275
	17	#define __NR_sys_tee 276
	18	#define __NR_sys_vmsplice 278
	19	#endif
	20
	21	#ifndef __NR_async_exec
	22	#define __NR_async_exec 286
	23	#define __NR_async_wait 287
	24	#define __NR_umem_add 288
	25	#define __NR_async_thread 289
	26	#endif
	27
	28	#define FIO_HUGE_PAGE 2097152
	29
	30	#define FIO_HAVE_SYSLET
	31
	32	#define nop __asm__ __volatile__("rep;nop": : :"memory")
	33	#define read_barrier() __asm__ __volatile__("lfence":::"memory")
	34	#define write_barrier() __asm__ __volatile__("sfence":::"memory")
	35
	36	static inline unsigned int arch_ffz(unsigned int bitmask)
	37	{
	38	__asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
	39	return bitmask;
	40	}
	41	#define ARCH_HAVE_FFZ
	42	#define ARCH_HAVE_SSE
	43
	44	#endif