kvm/x86/userspace_msr_exit_test.c

262 		 * Now run the same tests with the instruction emulator.
388 	if (vcpu->run->exit_reason == KVM_EXIT_IO &&
396 	struct kvm_run *run = vcpu->run;
401 	TEST_ASSERT(run->msr.index == msr_index,
403 			run->msr.index, msr_index);
405 	switch (run->msr.index) {
407 		run->msr.data = 0;
410 		run->msr.error = 1;
413 		run->msr.data = msr_non_existent_data;
416 		run->msr.data = MSR_FS_BASE;
419 		run->msr.data = MSR_GS_BASE;
422 		TEST_ASSERT(false, "Unexpected MSR: 0x%04x", run->msr.index);
428 	struct kvm_run *run = vcpu->run;
433 	TEST_ASSERT(run->msr.index == msr_index,
435 			run->msr.index, msr_index);
437 	switch (run->msr.index) {
439 		if (run->msr.data != 0)
440 			run->msr.error = 1;
443 		if (run->msr.data != 1)
444 			run->msr.error = 1;
447 		msr_non_existent_data = run->msr.data;
450 		TEST_ASSERT(false, "Unexpected MSR: 0x%04x", run->msr.index);
571 		printf("To run the instruction emulated tests set the module parameter 'kvm.force_emulation_prefix=1'\n");
595 static void handle_rdmsr(struct kvm_run *run)
597 	run->msr.data = run->msr.index;
600 	if (run->msr.index == MSR_SYSCALL_MASK ||
601 	    run->msr.index == MSR_GS_BASE) {
602 		TEST_ASSERT(run->msr.reason == KVM_MSR_EXIT_REASON_FILTER,
606 	if (run->msr.index == 0xdeadbeef) {
607 		TEST_ASSERT(run->msr.reason == KVM_MSR_EXIT_REASON_UNKNOWN,
612 static void handle_wrmsr(struct kvm_run *run)
617 	if (run->msr.index == MSR_IA32_POWER_CTL) {
618 		TEST_ASSERT(run->msr.data == 0x1234,
620 		TEST_ASSERT(run->msr.reason == KVM_MSR_EXIT_REASON_FILTER,
624 	if (run->msr.index == 0xdeadbeef) {
625 		TEST_ASSERT(run->msr.data == 0x1234,
627 		TEST_ASSERT(run->msr.reason == KVM_MSR_EXIT_REASON_UNKNOWN,
635 	struct kvm_run *run = vcpu->run;
653 		switch (run->exit_reason) {
655 			handle_rdmsr(run);
658 			handle_wrmsr(run);