diff options
Diffstat (limited to 'testcases/kernel/kvm/include/kvm_host.h')
| -rw-r--r-- | testcases/kernel/kvm/include/kvm_host.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/testcases/kernel/kvm/include/kvm_host.h b/testcases/kernel/kvm/include/kvm_host.h index 2359944fd..06bcb5d45 100644 --- a/testcases/kernel/kvm/include/kvm_host.h +++ b/testcases/kernel/kvm/include/kvm_host.h @@ -125,13 +125,29 @@ struct kvm_cpuid2 *tst_kvm_get_cpuid(int sysfd); void tst_kvm_create_instance(struct tst_kvm_instance *inst, size_t ram_size); /* - * Execute the given KVM instance and print results. + * Execute the given KVM instance and print results. If ioctl(KVM_RUN) is + * expected to fail, pass the expected error code in exp_errno, otherwise + * set it to zero. Returns last value returned by ioctl(KVM_RUN). */ -void tst_kvm_run_instance(struct tst_kvm_instance *inst); +int tst_kvm_run_instance(struct tst_kvm_instance *inst, int exp_errno); /* * Close the given KVM instance. */ void tst_kvm_destroy_instance(struct tst_kvm_instance *inst); +/* + * Wait for given VM to call tst_signal_host() or tst_wait_host(). Timeout + * value is in milliseconds. Zero means no wait, negative value means wait + * forever. Returns 0 if signal was received, KVM_TEXIT if the VM exited + * without sending a signal, or -1 if timeout was reached. + */ +int tst_kvm_wait_guest(struct tst_kvm_instance *inst, int timeout_ms); + +/* + * Clear VM signal sent by tst_signal_host(). If the VM is waiting + * in tst_wait_host(), this function will signal the VM to resume execution. + */ +void tst_kvm_clear_guest_signal(struct tst_kvm_instance *inst); + #endif /* KVM_HOST_H_ */ |