#ifndef ARCH_S390_H
#define ARCH_S390_H
-#define ARCH (arch_s390)
+#define FIO_ARCH (arch_s390)
#ifndef __NR_ioprio_set
#define __NR_ioprio_set 282
#define __NR_fadvise64 253
#endif
-#define nop asm volatile ("diag 0,0,68" : : : "memory")
+#ifndef __NR_sys_splice
+#define __NR_sys_splice 306
+#define __NR_sys_tee 308
+#define __NR_sys_vmsplice 309
+#endif
+
+#define nop asm volatile("nop" : : : "memory")
#define read_barrier() asm volatile("bcr 15,0" : : : "memory")
#define write_barrier() asm volatile("bcr 15,0" : : : "memory")
+static inline unsigned long long get_cpu_clock(void)
+{
+ unsigned long long clk;
+
+#ifdef CONFIG_S390_Z196_FACILITIES
+ /*
+ * Fio needs monotonic (never lower), but not strict monotonic (never
+ * the same) so store clock fast is enough.
+ */
+ __asm__ __volatile__("stckf %0" : "=Q" (clk) : : "cc");
+#else
+ __asm__ __volatile__("stck %0" : "=Q" (clk) : : "cc");
+#endif
+ return clk>>12;
+}
+
+#define ARCH_CPU_CLOCK_CYCLES_PER_USEC 1
+#define ARCH_HAVE_CPU_CLOCK
+
+#define ARCH_HAVE_INIT
+extern int tsc_reliable;
+static inline int arch_init(char *envp[])
+{
+ tsc_reliable = 1;
+ return 0;
+}
+
#endif