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 | ||
| 1cffeb6f | 21 | #define nop asm volatile("nop" : : : "memory") |
| db6defc7 | 22 | #define read_barrier() asm volatile("bcr 15,0" : : : "memory") |
| 44c47feb | 23 | #define write_barrier() asm volatile("bcr 15,0" : : : "memory") |
| ebac4655 | 24 | |
| 15cf40b2 DH |
25 | static inline unsigned long long get_cpu_clock(void) |
| 26 | { | |
| 27 | unsigned long long clk; | |
| 28 | ||
| 81795ce3 CE |
29 | #ifdef CONFIG_S390_Z196_FACILITIES |
| 30 | /* | |
| 31 | * Fio needs monotonic (never lower), but not strict monotonic (never | |
| 32 | * the same) so store clock fast is enough. | |
| 33 | */ | |
| 919e789d | 34 | __asm__ __volatile__("stckf %0" : "=Q" (clk) : : "cc"); |
| 81795ce3 CE |
35 | #else |
| 36 | __asm__ __volatile__("stck %0" : "=Q" (clk) : : "cc"); | |
| 37 | #endif | |
| 919e789d | 38 | return clk>>12; |
| 15cf40b2 DH |
39 | } |
| 40 | ||
| 919e789d CE |
41 | #define ARCH_CPU_CLOCK_CYCLES_PER_USEC 1 |
| 42 | #define ARCH_HAVE_CPU_CLOCK | |
| 96170421 | 43 | #undef ARCH_CPU_CLOCK_WRAPS |
| 919e789d | 44 | |
| 15cf40b2 DH |
45 | #define ARCH_HAVE_INIT |
| 46 | extern int tsc_reliable; | |
| 47 | static inline int arch_init(char *envp[]) | |
| 48 | { | |
| 49 | tsc_reliable = 1; | |
| 50 | return 0; | |
| 51 | } | |
| 52 | ||
| ebac4655 | 53 | #endif |