powerpc/security/flush_utils.h

0001 /* SPDX-License-Identifier: GPL-2.0+ */
0002
0003 /*
0004  * Copyright 2018 IBM Corporation.
0005  */
0006
0007 #ifndef _SELFTESTS_POWERPC_SECURITY_FLUSH_UTILS_H
0008 #define _SELFTESTS_POWERPC_SECURITY_FLUSH_UTILS_H
0009
0010 #define CACHELINE_SIZE 128
0011
0012 #define PERF_L1D_READ_MISS_CONFIG   ((PERF_COUNT_HW_CACHE_L1D) |        \
0013                     (PERF_COUNT_HW_CACHE_OP_READ << 8) |    \
0014                     (PERF_COUNT_HW_CACHE_RESULT_MISS << 16))
0015
0016 void syscall_loop(char *p, unsigned long iterations,
0017           unsigned long zero_size);
0018
0019 void syscall_loop_uaccess(char *p, unsigned long iterations,
0020               unsigned long zero_size);
0021
0022 void set_dscr(unsigned long val);
0023
0024 #endif /* _SELFTESTS_POWERPC_SECURITY_FLUSH_UTILS_H */