14 #define MSR_NON_EXISTENT 0x474f4f00
16 static u64 deny_bits = 0;
78 static u8 bitmap_deadbeef[1] = { 0x1 };
89 	memset(bitmap_00000000, 0xff, sizeof(bitmap_00000000));  in prepare_bitmaps()
90 	memset(bitmap_00000000_write, 0xff, sizeof(bitmap_00000000_write));  in prepare_bitmaps()
91 	memset(bitmap_40000000, 0xff, sizeof(bitmap_40000000));  in prepare_bitmaps()
92 	memset(bitmap_c0000000, 0xff, sizeof(bitmap_c0000000));  in prepare_bitmaps()
93 	memset(bitmap_c0000000_read, 0xff, sizeof(bitmap_c0000000_read));  in prepare_bitmaps()
105 			.base = 0x00000000,
110 			.base = 0x00000000,
115 			.base = 0x40000000,
120 			.base = 0xc0000000,
125 			.base = 0xc0000000,
130 			.base = 0xdeadbeef,
149 	guest_exception_count = 0;  in test_rdmsr()
166 	guest_exception_count = 0;  in test_wrmsr()
183 	guest_exception_count = 0;  in test_em_rdmsr()
200 	guest_exception_count = 0;  in test_em_wrmsr()
216 	 * A GP is thrown if anything other than 0 is written to  in guest_code_filter_allow()
220 	GUEST_ASSERT(data == 0);  in guest_code_filter_allow()
221 	GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
223 	test_wrmsr(MSR_IA32_XSS, 0);  in guest_code_filter_allow()
224 	GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
238 	test_wrmsr(MSR_IA32_FLUSH_CMD, 0);  in guest_code_filter_allow()
242 	GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
251 	GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
255 	GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
259 		GUEST_SYNC(0);  in guest_code_filter_allow()
265 		GUEST_ASSERT(data == 0);  in guest_code_filter_allow()
266 		GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
267 		test_em_wrmsr(MSR_IA32_XSS, 0);  in guest_code_filter_allow()
268 		GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
274 		test_em_wrmsr(MSR_IA32_FLUSH_CMD, 0);  in guest_code_filter_allow()
277 		GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
280 		GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
283 		GUEST_ASSERT(guest_exception_count == 0);  in guest_code_filter_allow()
292 	wrmsr(MSR_SYSCALL_MASK, 0);  in guest_msr_calls()
304 	wrmsr(MSR_IA32_POWER_CTL, 0x1234);  in guest_msr_calls()
310 	GUEST_ASSERT(rdmsr(0xdeadbeef) == 0xdeadbeef);  in guest_msr_calls()
311 	wrmsr(0xdeadbeef, 0x1234);  in guest_msr_calls()
322 	GUEST_SYNC(0);  in guest_code_filter_deny()
339 	GUEST_SYNC(0);  in guest_code_permission_bitmap()
355 		regs->rax = 0;  in __guest_gp_handler()
356 		regs->rdx = 0;  in __guest_gp_handler()
396 			"Unexpected msr (0x%04x), expected 0x%04x",  in process_rdmsr()
401 		run->msr.data = 0;  in process_rdmsr()
416 		TEST_ASSERT(false, "Unexpected MSR: 0x%04x", run->msr.index);  in process_rdmsr()
428 			"Unexpected msr (0x%04x), expected 0x%04x",  in process_wrmsr()
433 		if (run->msr.data != 0)  in process_wrmsr()
444 		TEST_ASSERT(false, "Unexpected MSR: 0x%04x", run->msr.index);  in process_wrmsr()
586 	return 0;  in handle_ucall()
600 	if (run->msr.index == 0xdeadbeef) {  in handle_rdmsr()
612 		TEST_ASSERT(run->msr.data == 0x1234,  in handle_wrmsr()
618 	if (run->msr.index == 0xdeadbeef) {  in handle_wrmsr()
619 		TEST_ASSERT(run->msr.data == 0x1234,  in handle_wrmsr()
696 			    "Wanted EINVAL for %s with flag = 0x%llx, got  rc: %i errno: %i (%s)", \
703 	int nflags = sizeof(cap.args[0]) * BITS_PER_BYTE;  in run_user_space_msr_flag_test()
710 	for (i = 0; i < nflags; i++) {  in run_user_space_msr_flag_test()
711 		cap.args[0] = BIT_ULL(i);  in run_user_space_msr_flag_test()
719 	u64 deny_bits = 0;  in run_msr_filter_flag_test()
726 				.base = 0,  in run_msr_filter_flag_test()
739 	for (i = 0; i < nflags; i++) {  in run_msr_filter_flag_test()
746 	nflags = sizeof(filter.ranges[0].flags) * BITS_PER_BYTE;  in run_msr_filter_flag_test()
747 	for (i = 0; i < nflags; i++) {  in run_msr_filter_flag_test()
748 		filter.ranges[0].flags = BIT_ULL(i);  in run_msr_filter_flag_test()