projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| ebac4655 JA |
1 | #ifndef ARCH_S390_H |
| 2 | #define ARCH_S390_H | |
| 3 | ||
| cca84643 | 4 | #define FIO_ARCH (arch_s390) |
| ebac4655 JA |
5 | |
| 6 | #ifndef __NR_ioprio_set | |
| 7 | #define __NR_ioprio_set 282 | |
| 8 | #define __NR_ioprio_get 283 | |
| 9 | #endif | |
| 10 | ||
| 11 | #ifndef __NR_fadvise64 | |
| 12 | #define __NR_fadvise64 253 | |
| 13 | #endif | |
| 14 | ||
| 9a9c63f1 JA |
15 | #ifndef __NR_sys_splice |
| 16 | #define __NR_sys_splice 306 | |
| 17 | #define __NR_sys_tee 308 | |
| 18 | #define __NR_sys_vmsplice 309 | |
| 19 | #endif | |
| 20 | ||
| 43cf00fd JA |
21 | #ifndef __NR_preadv2 |
| 22 | #define __NR_preadv2 376 | |
| 23 | #endif | |
| 24 | #ifndef __NR_pwritev2 | |
| 25 | #define __NR_pwritev2 377 | |
| 26 | #endif | |
| 27 | ||
| 1cffeb6f | 28 | #define nop asm volatile("nop" : : : "memory") |
| db6defc7 | 29 | #define read_barrier() asm volatile("bcr 15,0" : : : "memory") |
| 44c47feb | 30 | #define write_barrier() asm volatile("bcr 15,0" : : : "memory") |
| ebac4655 | 31 | |
| 15cf40b2 DH |
32 | static inline unsigned long long get_cpu_clock(void) |
| 33 | { | |
| 34 | unsigned long long clk; | |
| 35 | ||
| 81795ce3 CE |
36 | #ifdef CONFIG_S390_Z196_FACILITIES |
| 37 | /* | |
| 38 | * Fio needs monotonic (never lower), but not strict monotonic (never | |
| 39 | * the same) so store clock fast is enough. | |
| 40 | */ | |
| 919e789d | 41 | __asm__ __volatile__("stckf %0" : "=Q" (clk) : : "cc"); |
| 81795ce3 CE |
42 | #else |
| 43 | __asm__ __volatile__("stck %0" : "=Q" (clk) : : "cc"); | |
| 44 | #endif | |
| 919e789d | 45 | return clk>>12; |
| 15cf40b2 DH |
46 | } |
| 47 | ||
| 919e789d CE |
48 | #define ARCH_CPU_CLOCK_CYCLES_PER_USEC 1 |
| 49 | #define ARCH_HAVE_CPU_CLOCK | |
| 96170421 | 50 | #undef ARCH_CPU_CLOCK_WRAPS |
| 919e789d | 51 | |
| 15cf40b2 DH |
52 | #define ARCH_HAVE_INIT |
| 53 | extern int tsc_reliable; | |
| 54 | static inline int arch_init(char *envp[]) | |
| 55 | { | |
| 56 | tsc_reliable = 1; | |
| 57 | return 0; | |
| 58 | } | |
| 59 | ||
| ebac4655 | 60 | #endif |