.type = MSR_FEATURE_WORD,
.feat_names = {
"rdctl-no", "ibrs-all", "rsba", "skip-l1dfl-vmentry",
- "ssb-no", "mds-no", "pschange-mc-no", NULL,
+ "ssb-no", "mds-no", "pschange-mc-no", "tsx-ctrl",
"taa-no", NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
#define MSR_VIRT_SSBD 0xc001011f
#define MSR_IA32_PRED_CMD 0x49
#define MSR_IA32_CORE_CAPABILITY 0xcf
+
#define MSR_IA32_ARCH_CAPABILITIES 0x10a
+#define ARCH_CAP_TSX_CTRL_MSR (1<<7)
+
+#define MSR_IA32_TSX_CTRL 0x122
#define MSR_IA32_TSCDEADLINE 0x6e0
#define FEATURE_CONTROL_LOCKED (1<<0)
uint64_t msr_smi_count;
uint32_t pkru;
+ uint32_t tsx_ctrl;
uint64_t spec_ctrl;
uint64_t virt_ssbd;
static bool has_msr_xss;
static bool has_msr_umwait;
static bool has_msr_spec_ctrl;
+static bool has_msr_tsx_ctrl;
static bool has_msr_virt_ssbd;
static bool has_msr_smi_count;
static bool has_msr_arch_capabs;
case MSR_IA32_SPEC_CTRL:
has_msr_spec_ctrl = true;
break;
+ case MSR_IA32_TSX_CTRL:
+ has_msr_tsx_ctrl = true;
+ break;
case MSR_VIRT_SSBD:
has_msr_virt_ssbd = true;
break;
if (has_msr_spec_ctrl) {
kvm_msr_entry_add(cpu, MSR_IA32_SPEC_CTRL, env->spec_ctrl);
}
+ if (has_msr_tsx_ctrl) {
+ kvm_msr_entry_add(cpu, MSR_IA32_TSX_CTRL, env->tsx_ctrl);
+ }
if (has_msr_virt_ssbd) {
kvm_msr_entry_add(cpu, MSR_VIRT_SSBD, env->virt_ssbd);
}
if (has_msr_spec_ctrl) {
kvm_msr_entry_add(cpu, MSR_IA32_SPEC_CTRL, 0);
}
+ if (has_msr_tsx_ctrl) {
+ kvm_msr_entry_add(cpu, MSR_IA32_TSX_CTRL, 0);
+ }
if (has_msr_virt_ssbd) {
kvm_msr_entry_add(cpu, MSR_VIRT_SSBD, 0);
}
case MSR_IA32_SPEC_CTRL:
env->spec_ctrl = msrs[i].data;
break;
+ case MSR_IA32_TSX_CTRL:
+ env->tsx_ctrl = msrs[i].data;
+ break;
case MSR_VIRT_SSBD:
env->virt_ssbd = msrs[i].data;
break;
};
#endif
+static bool msr_tsx_ctrl_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+
+ return env->features[FEAT_ARCH_CAPABILITIES] & ARCH_CAP_TSX_CTRL_MSR;
+}
+
+static const VMStateDescription vmstate_msr_tsx_ctrl = {
+ .name = "cpu/msr_tsx_ctrl",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = msr_tsx_ctrl_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(env.tsx_ctrl, X86CPU),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
VMStateDescription vmstate_x86_cpu = {
.name = "cpu",
.version_id = 12,
#ifdef CONFIG_KVM
&vmstate_nested_state,
#endif
+ &vmstate_msr_tsx_ctrl,
NULL
}
};