MSR_IA32_HWP_REQUEST_PKG_REGISTER Union Reference

Data Fields
struct {
UINT32   Minimum_Performance:8
UINT32   Maximum_Performance:8
UINT32   Desired_Performance:8
UINT32   Energy_Performance_Preference:8
UINT32   Activity_Window:10
UINT32   Reserved:22
}	Bits
UINT64	Uint64

Detailed Description

MSR information returned for MSR index MSR_IA32_HWP_REQUEST_PKG

Field Documentation

UINT32 MSR_IA32_HWP_REQUEST_PKG_REGISTER::Activity_Window

[Bits 41:32] Activity_Window See Section 14.4.4, "Managing HWP". If CPUID.06H:EAX.[11] = 1 && CPUID.06H:EAX.[9] = 1.

struct { ... } MSR_IA32_HWP_REQUEST_PKG_REGISTER::Bits

Individual bit fields

UINT32 MSR_IA32_HWP_REQUEST_PKG_REGISTER::Desired_Performance

[Bits 23:16] Desired_Performance See Section 14.4.4, "Managing HWP". If CPUID.06H:EAX.[11] = 1.

UINT32 MSR_IA32_HWP_REQUEST_PKG_REGISTER::Energy_Performance_Preference

[Bits 31:24] Energy_Performance_Preference See Section 14.4.4, "Managing HWP". If CPUID.06H:EAX.[11] = 1 && CPUID.06H:EAX.[10] = 1.

UINT32 MSR_IA32_HWP_REQUEST_PKG_REGISTER::Maximum_Performance

[Bits 15:8] Maximum_Performance See Section 14.4.4, "Managing HWP". If CPUID.06H:EAX.[11] = 1.

UINT32 MSR_IA32_HWP_REQUEST_PKG_REGISTER::Minimum_Performance

[Bits 7:0] Minimum_Performance See Section 14.4.4, "Managing HWP". If CPUID.06H:EAX.[11] = 1.

UINT32 MSR_IA32_HWP_REQUEST_PKG_REGISTER::Reserved

UINT64 MSR_IA32_HWP_REQUEST_PKG_REGISTER::Uint64

All bit fields as a 64-bit value