arch-x86.h revision 44c47feb9edc7854bf3cfa2e3d843e90fc969b3a
1#ifndef ARCH_X86_H 2#define ARCH_X86_H 3 4#define ARCH (arch_i386) 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 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 21#ifndef __NR_async_exec 22#define __NR_async_exec 325 23#define __NR_async_wait 326 24#define __NR_umem_add 327 25#define __NR_async_thread 328 26#endif 27 28#define FIO_HUGE_PAGE 4194304 29 30#define FIO_HAVE_SYSLET 31 32#define nop __asm__ __volatile__("rep;nop": : :"memory") 33#define read_barrier() __asm__ __volatile__("": : :"memory") 34#define write_barrier() __asm__ __volatile__("": : :"memory") 35 36static inline unsigned long arch_ffz(unsigned long bitmask) 37{ 38 __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask)); 39 return bitmask; 40} 41#define ARCH_HAVE_FFZ 42 43#endif 44