peci-cpu.h

 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 */