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-rw-r--r--include/linux/peci-cpu.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/include/linux/peci-cpu.h b/include/linux/peci-cpu.h
new file mode 100644
index 000000000000..ff8ae9c26c80
--- /dev/null
+++ b/include/linux/peci-cpu.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (c) 2021 Intel Corporation */
+
+#ifndef __LINUX_PECI_CPU_H
+#define __LINUX_PECI_CPU_H
+
+#include <linux/types.h>
+
+#include "../../arch/x86/include/asm/intel-family.h"
+
+#define PECI_PCS_PKG_ID 0 /* Package Identifier Read */
+#define PECI_PKG_ID_CPU_ID 0x0000 /* CPUID Info */
+#define PECI_PKG_ID_PLATFORM_ID 0x0001 /* Platform ID */
+#define PECI_PKG_ID_DEVICE_ID 0x0002 /* Uncore Device ID */
+#define PECI_PKG_ID_MAX_THREAD_ID 0x0003 /* Max Thread ID */
+#define PECI_PKG_ID_MICROCODE_REV 0x0004 /* CPU Microcode Update Revision */
+#define PECI_PKG_ID_MCA_ERROR_LOG 0x0005 /* Machine Check Status */
+#define PECI_PCS_MODULE_TEMP 9 /* Per Core DTS Temperature Read */
+#define PECI_PCS_THERMAL_MARGIN 10 /* DTS thermal margin */
+#define PECI_PCS_DDR_DIMM_TEMP 14 /* DDR DIMM Temperature */
+#define PECI_PCS_TEMP_TARGET 16 /* Temperature Target Read */
+#define PECI_PCS_TDP_UNITS 30 /* Units for power/energy registers */
+
+struct peci_device;
+
+int peci_temp_read(struct peci_device *device, s16 *temp_raw);
+
+int peci_pcs_read(struct peci_device *device, u8 index,
+ u16 param, u32 *data);
+
+int peci_pci_local_read(struct peci_device *device, u8 bus, u8 dev,
+ u8 func, u16 reg, u32 *data);
+
+int peci_ep_pci_local_read(struct peci_device *device, u8 seg,
+ u8 bus, u8 dev, u8 func, u16 reg, u32 *data);
+
+int peci_mmio_read(struct peci_device *device, u8 bar, u8 seg,
+ u8 bus, u8 dev, u8 func, u64 address, u32 *data);
+
+#endif /* __LINUX_PECI_CPU_H */