/** @file
CPU Power Management Psys(Platform) Config Block.
Copyright (c) 2017, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _CPU_POWER_MGMT_PSYS_CONFIG_H_
#define _CPU_POWER_MGMT_PSYS_CONFIG_H_
#define CPU_POWER_MGMT_PSYS_CONFIG_REVISION 1
extern EFI_GUID gCpuPowerMgmtPsysConfigGuid;
#pragma pack (push,1)
/**
CPU Power Management Psys(Platform) Configuration Structure.
Revision 1:
- Initial version.
**/
typedef struct {
CONFIG_BLOCK_HEADER Header; ///< Config Block Header
UINT32 PsysPowerLimit1 : 1; ///< MSR 0x65C[15]: PL1 Enable activates the PL1 value to limit average platform power
UINT32 PsysPowerLimit1Time : 8; ///< MSR 0x65C[23:17]: PL1 timewindow in seconds.
UINT32 PsysPowerLimit2 : 1; ///< MSR 0x65C[47]: PL2 Enable activates the PL2 value to limit average platform power
UINT32 RsvdBits : 22; ///< Reserved for future use.
UINT16 PsysPowerLimit1Power; ///< MSR 0x65C[14:0]: Platform PL1 power. Units are based on POWER_MGMT_CONFIG.CustomPowerUnit.
UINT16 PsysPowerLimit2Power; ///< MSR 0x65C[46:32]]: Platform PL2 power. Units are based on POWER_MGMT_CONFIG.CustomPowerUnit.
UINT16 PsysPmax; ///< PCODE MMIO Mailbox: Platform Power Pmax. 0 - Auto Specified in 1/8 Watt increments. 0-1024 Watts. Value of 800 = 100W.
UINT8 Rsvd[2]; ///< Reserved for future use and config block alignment
} CPU_POWER_MGMT_PSYS_CONFIG;
#pragma pack (pop)
#endif // _CPU_POWER_MGMT_PSYS_CONFIG_H_