include/rseq/cpu-op.h

   1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */
   2 /*
   3  * cpu-op.h
   4  *
   5  * (C) Copyright 2017-2018 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   6  */
   7
   8 #ifndef RSEQ_CPU_OP_H
   9 #define RSEQ_CPU_OP_H
  10
  11 #include <stdlib.h>
  12 #include <stdint.h>
  13 #include <linux/cpu_opv.h>
  14
  15 int cpu_opv(struct cpu_op *cpuopv, int cpuopcnt, int cpu, int flags);
  16 int cpu_op_get_current_cpu(void);
  17 int cpu_op_available(void);
  18
  19 int cpu_op_cmpxchg(void *v, void *expect, void *old, void *_new, size_t len,
  20                    int cpu);
  21 int cpu_op_add(void *v, int64_t count, size_t len, int cpu);
  22
  23 int cpu_op_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu);
  24 int cpu_op_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
  25                                  off_t voffp, intptr_t *load, int cpu);
  26 int cpu_op_cmpeqv_storev_storev(intptr_t *v, intptr_t expect,
  27                                 intptr_t *v2, intptr_t newv2,
  28                                 intptr_t newv, int cpu);
  29 int cpu_op_cmpeqv_storev_mb_storev(intptr_t *v, intptr_t expect,
  30                                    intptr_t *v2, intptr_t newv2,
  31                                    intptr_t newv, int cpu);
  32 int cpu_op_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
  33                                 intptr_t *v2, intptr_t expect2,
  34                                 intptr_t newv, int cpu);
  35 int cpu_op_cmpeqv_memcpy_storev(intptr_t *v, intptr_t expect,
  36                                 void *dst, void *src, size_t len,
  37                                 intptr_t newv, int cpu);
  38 int cpu_op_cmpeqv_memcpy_mb_storev(intptr_t *v, intptr_t expect,
  39                                    void *dst, void *src, size_t len,
  40                                    intptr_t newv, int cpu);
  41 int cpu_op_addv(intptr_t *v, int64_t count, int cpu);
  42
  43 #endif  /* RSEQ_CPU_OP_H_ */