tools/testing/selftests/powerpc/security/flush_utils.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2
   3 /*
   4  * Copyright 2018 IBM Corporation.
   5  */
   6
   7 #ifndef _SELFTESTS_POWERPC_SECURITY_FLUSH_UTILS_H
   8 #define _SELFTESTS_POWERPC_SECURITY_FLUSH_UTILS_H
   9
  10 #define CACHELINE_SIZE 128
  11
  12 #define PERF_L1D_READ_MISS_CONFIG       ((PERF_COUNT_HW_CACHE_L1D) |            \
  13                                         (PERF_COUNT_HW_CACHE_OP_READ << 8) |    \
  14                                         (PERF_COUNT_HW_CACHE_RESULT_MISS << 16))
  15
  16 void syscall_loop(char *p, unsigned long iterations,
  17                   unsigned long zero_size);
  18
  19 void syscall_loop_uaccess(char *p, unsigned long iterations,
  20                           unsigned long zero_size);
  21
  22 void set_dscr(unsigned long val);
  23
  24 #endif /* _SELFTESTS_POWERPC_SECURITY_FLUSH_UTILS_H */