Data Fields
struct {
UINT32 Highest_Performance:8

UINT32 Guaranteed_Performance:8

UINT32 Most_Efficient_Performance:8

UINT32 Lowest_Performance:8

UINT32 Reserved:32

}	Bits

UINT32	Uint32

UINT64	Uint64

Detailed Description

MSR information returned for MSR index MSR_IA32_HWP_CAPABILITIES

Field Documentation

struct { ... } MSR_IA32_HWP_CAPABILITIES_REGISTER::Bits

Individual bit fields

UINT32 MSR_IA32_HWP_CAPABILITIES_REGISTER::Guaranteed_Performance

[Bits 15:8] Guaranteed_Performance See Section 14.4.3, "HWP Performance Range and Dynamic Capabilities". If CPUID.06H:EAX.[7] = 1.

UINT32 MSR_IA32_HWP_CAPABILITIES_REGISTER::Highest_Performance

[Bits 7:0] Highest_Performance See Section 14.4.3, "HWP Performance Range and Dynamic Capabilities". If CPUID.06H:EAX.[7] = 1.

UINT32 MSR_IA32_HWP_CAPABILITIES_REGISTER::Lowest_Performance

[Bits 31:24] Lowest_Performance See Section 14.4.3, "HWP Performance Range and Dynamic Capabilities". If CPUID.06H:EAX.[7] = 1.

UINT32 MSR_IA32_HWP_CAPABILITIES_REGISTER::Most_Efficient_Performance

[Bits 23:16] Most_Efficient_Performance See Section 14.4.3, "HWP Performance Range and Dynamic Capabilities". If CPUID.06H:EAX.[7] = 1.

UINT32 MSR_IA32_HWP_CAPABILITIES_REGISTER::Reserved

UINT32 MSR_IA32_HWP_CAPABILITIES_REGISTER::Uint32

All bit fields as a 32-bit value

UINT64 MSR_IA32_HWP_CAPABILITIES_REGISTER::Uint64

All bit fields as a 64-bit value