projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| ebac4655 JA |
1 | #ifndef ARCH_X86_64_h |
| 2 | #define ARCH_X86_64_h | |
| 3 | ||
| fa80feae JA |
4 | #include "arch-x86-common.h" |
| 5 | ||
| cca84643 | 6 | #define FIO_ARCH (arch_x86_64) |
| ebac4655 JA |
7 | |
| 8 | #ifndef __NR_ioprio_set | |
| 9 | #define __NR_ioprio_set 251 | |
| 10 | #define __NR_ioprio_get 252 | |
| 11 | #endif | |
| 12 | ||
| 13 | #ifndef __NR_fadvise64 | |
| 14 | #define __NR_fadvise64 221 | |
| 15 | #endif | |
| 16 | ||
| 8756e4d4 JA |
17 | #ifndef __NR_sys_splice |
| 18 | #define __NR_sys_splice 275 | |
| 19 | #define __NR_sys_tee 276 | |
| 20 | #define __NR_sys_vmsplice 278 | |
| 21 | #endif | |
| 22 | ||
| cb25df61 JA |
23 | #define FIO_HUGE_PAGE 2097152 |
| 24 | ||
| db6defc7 | 25 | #define nop __asm__ __volatile__("rep;nop": : :"memory") |
| 44c47feb JA |
26 | #define read_barrier() __asm__ __volatile__("lfence":::"memory") |
| 27 | #define write_barrier() __asm__ __volatile__("sfence":::"memory") | |
| ebac4655 | 28 | |
| 0ce8b119 | 29 | static inline unsigned long arch_ffz(unsigned long bitmask) |
| 8f7e39dd | 30 | { |
| 0ce8b119 | 31 | __asm__("bsf %1,%0" :"=r" (bitmask) :"r" (~bitmask)); |
| 8f7e39dd JA |
32 | return bitmask; |
| 33 | } | |
| c223da83 JA |
34 | |
| 35 | static inline unsigned long long get_cpu_clock(void) | |
| 36 | { | |
| 37 | unsigned int lo, hi; | |
| 38 | ||
| 39 | __asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi)); | |
| 40 | return ((unsigned long long) hi << 32ULL) | lo; | |
| 41 | } | |
| 42 | ||
| 21df44a2 | 43 | #define ARCH_HAVE_FFZ |
| 2f68124f | 44 | #define ARCH_HAVE_SSE4_2 |
| c223da83 | 45 | #define ARCH_HAVE_CPU_CLOCK |
| 8f7e39dd | 46 | |
| ebac4655 | 47 | #endif |