hyperv: Print more features

And add comment about the MSR features.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
This commit is contained in:
sephe 2016-04-11 06:15:40 +00:00
parent 3d3fd1fdc9
commit ed18aa785e
2 changed files with 57 additions and 20 deletions

View File

@ -54,6 +54,9 @@ static u_int hv_get_timecount(struct timecounter *tc);
u_int hyperv_features;
u_int hyperv_recommends;
static u_int hyperv_pm_features;
static u_int hyperv_features3;
/**
* Globals
*/
@ -426,27 +429,50 @@ hyperv_identify(void)
return (false);
}
hyperv_features = regs[0];
hyperv_pm_features = regs[2];
hyperv_features3 = regs[3];
op = HV_CPU_ID_FUNCTION_MS_HV_VERSION;
do_cpuid(op, regs);
printf("Hyper-V Version: %d.%d.%d [SP%d]\n",
regs[1] >> 16, regs[1] & 0xffff, regs[0], regs[2]);
printf(" Features: 0x%b\n", hyperv_features,
printf(" Features=0x%b\n", hyperv_features,
"\020"
"\001VPRUNTIME"
"\002TMREFCNT"
"\003SYNCIC"
"\004SYNCTM"
"\005APIC"
"\006HYERCALL"
"\007VPINDEX"
"\010RESET"
"\011STATS"
"\012REFTSC"
"\013IDLE"
"\014TMFREQ"
"\015DEBUG");
"\001VPRUNTIME" /* MSR_VP_RUNTIME */
"\002TMREFCNT" /* MSR_TIME_REF_COUNT */
"\003SYNIC" /* MSRs for SynIC */
"\004SYNTM" /* MSRs for SynTimer */
"\005APIC" /* MSR_{EOI,ICR,TPR} */
"\006HYERCALL" /* MSR_{GUEST_OS_ID,HYPERCALL} */
"\007VPINDEX" /* MSR_VP_INDEX */
"\010RESET" /* MSR_RESET */
"\011STATS" /* MSR_STATS_ */
"\012REFTSC" /* MSR_REFERENCE_TSC */
"\013IDLE" /* MSR_GUEST_IDLE */
"\014TMFREQ" /* MSR_{TSC,APIC}_FREQUENCY */
"\015DEBUG"); /* MSR_SYNTH_DEBUG_ */
printf(" PM Features=max C%u, 0x%b\n",
HV_PM_FEATURE_CSTATE(hyperv_pm_features),
(hyperv_pm_features & ~HV_PM_FEATURE_CSTATE_MASK),
"\020"
"\005C3HPET"); /* HPET is required for C3 state */
printf(" Features3=0x%b\n", hyperv_features3,
"\020"
"\001MWAIT" /* MWAIT */
"\002DEBUG" /* guest debug support */
"\003PERFMON" /* performance monitor */
"\004PCPUDPE" /* physical CPU dynamic partition event */
"\005XMMHC" /* hypercall input through XMM regs */
"\006IDLE" /* guest idle support */
"\007SLEEP" /* hypervisor sleep support */
"\010NUMA" /* NUMA distance query support */
"\011TMFREQ" /* timer frequency query (TSC, LAPIC) */
"\012SYNCMC" /* inject synthetic machine checks */
"\013CRASH" /* MSRs for guest crash */
"\014DEBUGMSR" /* MSRs for guest debug */
"\015NPIEP" /* NPIEP */
"\016HVDIS"); /* disabling hypervisor */
op = HV_CPU_ID_FUNCTION_MS_HV_ENLIGHTENMENT_INFORMATION;
do_cpuid(op, regs);

View File

@ -475,12 +475,23 @@ typedef enum {
HV_CPU_ID_FUNCTION_MS_HV_HARDWARE_FEATURE = 0x40000006
} hv_vmbus_cpuid_function;
#define HV_FEATURE_MSR_TIME_REFCNT (1 << 1)
#define HV_FEATURE_MSR_SYNCIC (1 << 2)
#define HV_FEATURE_MSR_STIMER (1 << 3)
#define HV_FEATURE_MSR_APIC (1 << 4)
#define HV_FEATURE_MSR_HYPERCALL (1 << 5)
#define HV_FEATURE_MSR_GUEST_IDLE (1 << 10)
#define HV_FEATURE_MSR_TIME_REFCNT 0x0002 /* MSR_TIME_REF_COUNT */
#define HV_FEATURE_MSR_SYNIC 0x0004 /* MSRs for SynIC */
#define HV_FEATURE_MSR_SYNTIMER 0x0008 /* MSRs for SynTimer */
#define HV_FEATURE_MSR_APIC 0x0010 /* MSR_{EOI,ICR,TPR} */
#define HV_FEATURE_MSR_HYPERCALL 0x0020 /* MSR_{GUEST_OS_ID,HYPERCALL} */
#define HV_FEATURE_MSR_GUEST_IDLE 0x0400 /* MSR_GUEST_IDLE */
#define HV_PM_FEATURE_CSTATE_MASK 0x000f
#define HV_PM_FEATURE_C3_HPET 0x0010 /* C3 requires HPET */
#define HV_PM_FEATURE_CSTATE(f) ((f) & HV_PM_FEATURE_CSTATE_MASK)
#define HV_FEATURE3_MWAIT 0x0001 /* MWAIT */
#define HV_FEATURE3_XMM_HYPERCALL 0x0010 /* hypercall input through XMM regs */
#define HV_FEATURE3_GUEST_IDLE 0x0020 /* guest idle support */
#define HV_FEATURE3_NUMA 0x0080 /* NUMA distance query support */
#define HV_FEATURE3_TIME_FREQ 0x0100 /* timer frequency query (TSC, LAPIC) */
#define HV_FEATURE3_MSR_CRASH 0x0400 /* MSRs for guest crash */
/*
* Define the format of the SIMP register