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1/* SPDX-License-Identifier: GPL-2.0-only */
2/* Copyright (c) 2021 Intel Corporation */
3
4#ifndef __LINUX_PECI_CPU_H
5#define __LINUX_PECI_CPU_H
6
7#include <linux/types.h>
8
9/* Copied from x86 <asm/processor.h> */
10#define X86_VENDOR_INTEL 0
11
12/* Copied from x86 <asm/cpu_device_id.h> */
13#define VFM_MODEL_BIT 0
14#define VFM_FAMILY_BIT 8
15#define VFM_VENDOR_BIT 16
16#define VFM_RSVD_BIT 24
17
18#define VFM_MODEL_MASK GENMASK(VFM_FAMILY_BIT - 1, VFM_MODEL_BIT)
19#define VFM_FAMILY_MASK GENMASK(VFM_VENDOR_BIT - 1, VFM_FAMILY_BIT)
20#define VFM_VENDOR_MASK GENMASK(VFM_RSVD_BIT - 1, VFM_VENDOR_BIT)
21
22#define VFM_MODEL(vfm) (((vfm) & VFM_MODEL_MASK) >> VFM_MODEL_BIT)
23#define VFM_FAMILY(vfm) (((vfm) & VFM_FAMILY_MASK) >> VFM_FAMILY_BIT)
24#define VFM_VENDOR(vfm) (((vfm) & VFM_VENDOR_MASK) >> VFM_VENDOR_BIT)
25
26#define VFM_MAKE(_vendor, _family, _model) ( \
27 ((_model) << VFM_MODEL_BIT) | \
28 ((_family) << VFM_FAMILY_BIT) | \
29 ((_vendor) << VFM_VENDOR_BIT) \
30)
31/* End of copied code */
32
33#include "../../arch/x86/include/asm/intel-family.h"
34
35#define PECI_PCS_PKG_ID 0 /* Package Identifier Read */
36#define PECI_PKG_ID_CPU_ID 0x0000 /* CPUID Info */
37#define PECI_PKG_ID_PLATFORM_ID 0x0001 /* Platform ID */
38#define PECI_PKG_ID_DEVICE_ID 0x0002 /* Uncore Device ID */
39#define PECI_PKG_ID_MAX_THREAD_ID 0x0003 /* Max Thread ID */
40#define PECI_PKG_ID_MICROCODE_REV 0x0004 /* CPU Microcode Update Revision */
41#define PECI_PKG_ID_MCA_ERROR_LOG 0x0005 /* Machine Check Status */
42#define PECI_PCS_MODULE_TEMP 9 /* Per Core DTS Temperature Read */
43#define PECI_PCS_THERMAL_MARGIN 10 /* DTS thermal margin */
44#define PECI_PCS_DDR_DIMM_TEMP 14 /* DDR DIMM Temperature */
45#define PECI_PCS_TEMP_TARGET 16 /* Temperature Target Read */
46#define PECI_PCS_TDP_UNITS 30 /* Units for power/energy registers */
47
48struct peci_device;
49
50int peci_temp_read(struct peci_device *device, s16 *temp_raw);
51
52int peci_pcs_read(struct peci_device *device, u8 index,
53 u16 param, u32 *data);
54
55int peci_pci_local_read(struct peci_device *device, u8 bus, u8 dev,
56 u8 func, u16 reg, u32 *data);
57
58int peci_ep_pci_local_read(struct peci_device *device, u8 seg,
59 u8 bus, u8 dev, u8 func, u16 reg, u32 *data);
60
61int peci_mmio_read(struct peci_device *device, u8 bar, u8 seg,
62 u8 bus, u8 dev, u8 func, u64 address, u32 *data);
63
64#endif /* __LINUX_PECI_CPU_H */