Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | #ifndef ARCH_S390_H |
| 2 | #define ARCH_S390_H |
| 3 | |
Jens Axboe | cca8464 | 2011-10-07 12:47:57 +0200 | [diff] [blame] | 4 | #define FIO_ARCH (arch_s390) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 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 | |
Jens Axboe | 9a9c63f | 2008-06-04 14:48:29 +0200 | [diff] [blame] | 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 | |
Jens Axboe | b12ebc6 | 2007-05-21 11:42:33 +0200 | [diff] [blame] | 21 | #define nop asm volatile ("diag 0,0,68" : : : "memory") |
Jens Axboe | db6defc | 2007-12-11 08:55:53 +0100 | [diff] [blame] | 22 | #define read_barrier() asm volatile("bcr 15,0" : : : "memory") |
Jens Axboe | 44c47fe | 2008-06-04 14:31:25 +0200 | [diff] [blame] | 23 | #define write_barrier() asm volatile("bcr 15,0" : : : "memory") |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 24 | |
Dan HorĂ¡k | 15cf40b | 2012-12-30 17:03:36 -0500 | [diff] [blame^] | 25 | static inline unsigned long long get_cpu_clock(void) |
| 26 | { |
| 27 | unsigned long long clk; |
| 28 | |
| 29 | __asm__ __volatile__("stck %0" : "=Q" (clk) : : "cc"); |
| 30 | return clk; |
| 31 | } |
| 32 | |
| 33 | #define ARCH_HAVE_INIT |
| 34 | extern int tsc_reliable; |
| 35 | static inline int arch_init(char *envp[]) |
| 36 | { |
| 37 | tsc_reliable = 1; |
| 38 | return 0; |
| 39 | } |
| 40 | |
| 41 | #define ARCH_HAVE_CPU_CLOCK |
| 42 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 43 | #endif |