diff options
Diffstat (limited to 'tools/testing/selftests/kvm/include/test_util.h')
| -rw-r--r-- | tools/testing/selftests/kvm/include/test_util.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/test_util.h b/tools/testing/selftests/kvm/include/test_util.h index befc754ce9b3..80d6416f3012 100644 --- a/tools/testing/selftests/kvm/include/test_util.h +++ b/tools/testing/selftests/kvm/include/test_util.h @@ -77,6 +77,13 @@ struct timespec timespec_sub(struct timespec ts1, struct timespec ts2); struct timespec timespec_elapsed(struct timespec start); struct timespec timespec_div(struct timespec ts, int divisor); +struct guest_random_state { + uint32_t seed; +}; + +struct guest_random_state new_guest_random_state(uint32_t seed); +uint32_t guest_random_u32(struct guest_random_state *state); + enum vm_mem_backing_src_type { VM_MEM_SRC_ANONYMOUS, VM_MEM_SRC_ANONYMOUS_THP, @@ -152,4 +159,22 @@ static inline void *align_ptr_up(void *x, size_t size) return (void *)align_up((unsigned long)x, size); } +int atoi_paranoid(const char *num_str); + +static inline uint32_t atoi_positive(const char *name, const char *num_str) +{ + int num = atoi_paranoid(num_str); + + TEST_ASSERT(num > 0, "%s must be greater than 0, got '%s'", name, num_str); + return num; +} + +static inline uint32_t atoi_non_negative(const char *name, const char *num_str) +{ + int num = atoi_paranoid(num_str); + + TEST_ASSERT(num >= 0, "%s must be non-negative, got '%s'", name, num_str); + return num; +} + #endif /* SELFTEST_KVM_TEST_UTIL_H */ |