65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2021 Intel Corporation */
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#ifndef __LINUX_PECI_CPU_H
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#define __LINUX_PECI_CPU_H
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#include <linux/types.h>
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/* Copied from x86 <asm/processor.h> */
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#define X86_VENDOR_INTEL 0
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/* Copied from x86 <asm/cpu_device_id.h> */
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#define VFM_MODEL_BIT 0
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#define VFM_FAMILY_BIT 8
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#define VFM_VENDOR_BIT 16
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#define VFM_RSVD_BIT 24
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#define VFM_MODEL_MASK GENMASK(VFM_FAMILY_BIT - 1, VFM_MODEL_BIT)
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#define VFM_FAMILY_MASK GENMASK(VFM_VENDOR_BIT - 1, VFM_FAMILY_BIT)
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#define VFM_VENDOR_MASK GENMASK(VFM_RSVD_BIT - 1, VFM_VENDOR_BIT)
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#define VFM_MODEL(vfm) (((vfm) & VFM_MODEL_MASK) >> VFM_MODEL_BIT)
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#define VFM_FAMILY(vfm) (((vfm) & VFM_FAMILY_MASK) >> VFM_FAMILY_BIT)
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#define VFM_VENDOR(vfm) (((vfm) & VFM_VENDOR_MASK) >> VFM_VENDOR_BIT)
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#define VFM_MAKE(_vendor, _family, _model) ( \
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((_model) << VFM_MODEL_BIT) | \
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((_family) << VFM_FAMILY_BIT) | \
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((_vendor) << VFM_VENDOR_BIT) \
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)
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/* End of copied code */
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#include "../../arch/x86/include/asm/intel-family.h"
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#define PECI_PCS_PKG_ID 0 /* Package Identifier Read */
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#define PECI_PKG_ID_CPU_ID 0x0000 /* CPUID Info */
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#define PECI_PKG_ID_PLATFORM_ID 0x0001 /* Platform ID */
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#define PECI_PKG_ID_DEVICE_ID 0x0002 /* Uncore Device ID */
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#define PECI_PKG_ID_MAX_THREAD_ID 0x0003 /* Max Thread ID */
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#define PECI_PKG_ID_MICROCODE_REV 0x0004 /* CPU Microcode Update Revision */
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#define PECI_PKG_ID_MCA_ERROR_LOG 0x0005 /* Machine Check Status */
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#define PECI_PCS_MODULE_TEMP 9 /* Per Core DTS Temperature Read */
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#define PECI_PCS_THERMAL_MARGIN 10 /* DTS thermal margin */
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#define PECI_PCS_DDR_DIMM_TEMP 14 /* DDR DIMM Temperature */
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#define PECI_PCS_TEMP_TARGET 16 /* Temperature Target Read */
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#define PECI_PCS_TDP_UNITS 30 /* Units for power/energy registers */
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struct peci_device;
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int peci_temp_read(struct peci_device *device, s16 *temp_raw);
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int peci_pcs_read(struct peci_device *device, u8 index,
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u16 param, u32 *data);
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int peci_pci_local_read(struct peci_device *device, u8 bus, u8 dev,
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u8 func, u16 reg, u32 *data);
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int peci_ep_pci_local_read(struct peci_device *device, u8 seg,
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u8 bus, u8 dev, u8 func, u16 reg, u32 *data);
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int peci_mmio_read(struct peci_device *device, u8 bar, u8 seg,
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u8 bus, u8 dev, u8 func, u64 address, u32 *data);
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#endif /* __LINUX_PECI_CPU_H */
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