/** @file CPU Power Management Psys(Platform) Config Block. Copyright (c) 2021, 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_