diff options
Diffstat (limited to 'target-i386/machine.c')
| -rw-r--r-- | target-i386/machine.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/target-i386/machine.c b/target-i386/machine.c index a18e16e0de..d41e286ba4 100644 --- a/target-i386/machine.c +++ b/target-i386/machine.c @@ -710,6 +710,42 @@ static const VMStateDescription vmstate_msr_hyperv_runtime = { } }; +static bool hyperv_synic_enable_needed(void *opaque) +{ + X86CPU *cpu = opaque; + CPUX86State *env = &cpu->env; + int i; + + if (env->msr_hv_synic_control != 0 || + env->msr_hv_synic_evt_page != 0 || + env->msr_hv_synic_msg_page != 0) { + return true; + } + + for (i = 0; i < ARRAY_SIZE(env->msr_hv_synic_sint); i++) { + if (env->msr_hv_synic_sint[i] != 0) { + return true; + } + } + + return false; +} + +static const VMStateDescription vmstate_msr_hyperv_synic = { + .name = "cpu/msr_hyperv_synic", + .version_id = 1, + .minimum_version_id = 1, + .needed = hyperv_synic_enable_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT64(env.msr_hv_synic_control, X86CPU), + VMSTATE_UINT64(env.msr_hv_synic_evt_page, X86CPU), + VMSTATE_UINT64(env.msr_hv_synic_msg_page, X86CPU), + VMSTATE_UINT64_ARRAY(env.msr_hv_synic_sint, X86CPU, + HV_SYNIC_SINT_COUNT), + VMSTATE_END_OF_LIST() + } +}; + static bool avx512_needed(void *opaque) { X86CPU *cpu = opaque; @@ -893,6 +929,7 @@ VMStateDescription vmstate_x86_cpu = { &vmstate_msr_hyperv_time, &vmstate_msr_hyperv_crash, &vmstate_msr_hyperv_runtime, + &vmstate_msr_hyperv_synic, &vmstate_avx512, &vmstate_xss, NULL |