x86/kvm/x86.c

1074 static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
1081 	if (index != XCR_XFEATURE_ENABLED_MASK)
1686 	switch (msr->index) {
1694 		rdmsrl_safe(msr->index, &msr->data);
1702 static int do_get_msr_feature(struct kvm_vcpu *vcpu, unsigned index, u64 *data)
1709 	msr.index = index;
1712 	if (r == KVM_MSR_RET_INVALID && kvm_msr_ignored_check(index, 0, false))
1793 bool kvm_msr_allowed(struct kvm_vcpu *vcpu, u32 index, u32 type)
1803 	if (index >= 0x800 && index <= 0x8ff)
1823 		if ((index >= start) && (index < end) && (flags & type)) {
1824 			allowed = test_bit(index - start, bitmap);
1837  * Write @data into the MSR specified by @index.  Select MSR specific fault
1842 static int __kvm_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data,
1847 	switch (index) {
1898 	msr.index = index;
1905 				     u32 index, u64 data, bool host_initiated)
1907 	int ret = __kvm_set_msr(vcpu, index, data, host_initiated);
1910 		if (kvm_msr_ignored_check(index, data, true))
1917  * Read the MSR specified by @index into @data.  Select MSR specific fault
1922 int __kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data,
1928 	switch (index) {
1940 	msr.index = index;
1950 				     u32 index, u64 *data, bool host_initiated)
1952 	int ret = __kvm_get_msr(vcpu, index, data, host_initiated);
1957 		if (kvm_msr_ignored_check(index, 0, false))
1964 static int kvm_get_msr_with_filter(struct kvm_vcpu *vcpu, u32 index, u64 *data)
1966 	if (!kvm_msr_allowed(vcpu, index, KVM_MSR_FILTER_READ))
1968 	return kvm_get_msr_ignored_check(vcpu, index, data, false);
1971 static int kvm_set_msr_with_filter(struct kvm_vcpu *vcpu, u32 index, u64 data)
1973 	if (!kvm_msr_allowed(vcpu, index, KVM_MSR_FILTER_WRITE))
1975 	return kvm_set_msr_ignored_check(vcpu, index, data, false);
1978 int kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data)
1980 	return kvm_get_msr_ignored_check(vcpu, index, data, false);
1984 int kvm_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data)
1986 	return kvm_set_msr_ignored_check(vcpu, index, data, false);
2032 static int kvm_msr_user_space(struct kvm_vcpu *vcpu, u32 index,
2047 	vcpu->run->msr.index = index;
2221 static int do_get_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data)
2223 	return kvm_get_msr_ignored_check(vcpu, index, data, true);
2226 static int do_set_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data)
2237 	if (kvm_vcpu_has_run(vcpu) && kvm_is_immutable_feature_msr(index)) {
2238 		if (do_get_msr(vcpu, index, &val) || *data != val)
2244 	return kvm_set_msr_ignored_check(vcpu, index, *data, true);
3483 	u32 msr = msr_info->index;
3787 	u32 msr = msr_info->index;
4232 	switch (msr_info->index) {
4268 		if (kvm_pmu_is_valid_msr(vcpu, msr_info->index))
4319 		return kvm_mtrr_get_msr(vcpu, msr_info->index, &msr_info->data);
4341 		return kvm_x2apic_msr_read(vcpu, msr_info->index, &msr_info->data);
4435 		return get_msr_mce(vcpu, msr_info->index, &msr_info->data,
4467 					     msr_info->index, &msr_info->data,
4522 		if (kvm_pmu_is_valid_msr(vcpu, msr_info->index))
4530 		    kvm_is_msr_to_save(msr_info->index)) {
4549 				  unsigned index, u64 *data))
4554 		if (do_msr(vcpu, entries[i].index, &entries[i].data))
4567 				unsigned index, u64 *data),
7341 		.index = msr_index,
8546 static int emulator_set_xcr(struct x86_emulate_ctxt *ctxt, u32 index, u64 xcr)
8548 	return __kvm_set_xcr(emul_to_vcpu(ctxt), index, xcr);