xref: /openbmc/linux/include/linux/peci-cpu.h (revision 93e1821c)
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 #include "../../arch/x86/include/asm/intel-family.h"
10 
11 #define PECI_PCS_PKG_ID			0  /* Package Identifier Read */
12 #define  PECI_PKG_ID_CPU_ID		0x0000  /* CPUID Info */
13 #define  PECI_PKG_ID_PLATFORM_ID	0x0001  /* Platform ID */
14 #define  PECI_PKG_ID_DEVICE_ID		0x0002  /* Uncore Device ID */
15 #define  PECI_PKG_ID_MAX_THREAD_ID	0x0003  /* Max Thread ID */
16 #define  PECI_PKG_ID_MICROCODE_REV	0x0004  /* CPU Microcode Update Revision */
17 #define  PECI_PKG_ID_MCA_ERROR_LOG	0x0005  /* Machine Check Status */
18 #define PECI_PCS_MODULE_TEMP		9  /* Per Core DTS Temperature Read */
19 #define PECI_PCS_THERMAL_MARGIN		10 /* DTS thermal margin */
20 #define PECI_PCS_DDR_DIMM_TEMP		14 /* DDR DIMM Temperature */
21 #define PECI_PCS_TEMP_TARGET		16 /* Temperature Target Read */
22 #define PECI_PCS_TDP_UNITS		30 /* Units for power/energy registers */
23 
24 struct peci_device;
25 
26 int peci_temp_read(struct peci_device *device, s16 *temp_raw);
27 
28 int peci_pcs_read(struct peci_device *device, u8 index,
29 		  u16 param, u32 *data);
30 
31 int peci_pci_local_read(struct peci_device *device, u8 bus, u8 dev,
32 			u8 func, u16 reg, u32 *data);
33 
34 int peci_ep_pci_local_read(struct peci_device *device, u8 seg,
35 			   u8 bus, u8 dev, u8 func, u16 reg, u32 *data);
36 
37 int peci_mmio_read(struct peci_device *device, u8 bar, u8 seg,
38 		   u8 bus, u8 dev, u8 func, u64 address, u32 *data);
39 
40 #endif /* __LINUX_PECI_CPU_H */
41