| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* Copyright (c) 2021 Intel Corporation */ |
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| 3 | |
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| 4 | #ifndef __LINUX_PECI_CPU_H |
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| 5 | #define __LINUX_PECI_CPU_H |
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| 6 | |
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| 7 | #include <linux/types.h> |
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| 8 | |
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| 9 | /* Copied from x86 <asm/processor.h> */ |
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| 10 | #define X86_VENDOR_INTEL 0 |
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| 11 | |
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| 12 | /* Copied from x86 <asm/cpu_device_id.h> */ |
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| 13 | #define VFM_MODEL_BIT 0 |
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| 14 | #define VFM_FAMILY_BIT 8 |
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| 15 | #define VFM_VENDOR_BIT 16 |
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| 16 | #define VFM_RSVD_BIT 24 |
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| 17 | |
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| 18 | #define VFM_MODEL_MASK GENMASK(VFM_FAMILY_BIT - 1, VFM_MODEL_BIT) |
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| 19 | #define VFM_FAMILY_MASK GENMASK(VFM_VENDOR_BIT - 1, VFM_FAMILY_BIT) |
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| 20 | #define VFM_VENDOR_MASK GENMASK(VFM_RSVD_BIT - 1, VFM_VENDOR_BIT) |
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| 21 | |
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| 22 | #define VFM_MODEL(vfm) (((vfm) & VFM_MODEL_MASK) >> VFM_MODEL_BIT) |
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| 23 | #define VFM_FAMILY(vfm) (((vfm) & VFM_FAMILY_MASK) >> VFM_FAMILY_BIT) |
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| 24 | #define VFM_VENDOR(vfm) (((vfm) & VFM_VENDOR_MASK) >> VFM_VENDOR_BIT) |
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| 25 | |
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| 26 | #define VFM_MAKE(_vendor, _family, _model) ( \ |
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| 27 | ((_model) << VFM_MODEL_BIT) | \ |
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| 28 | ((_family) << VFM_FAMILY_BIT) | \ |
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| 29 | ((_vendor) << VFM_VENDOR_BIT) \ |
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| 30 | ) |
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| 31 | /* End of copied code */ |
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| 32 | |
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| 33 | #include "../../arch/x86/include/asm/intel-family.h" |
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| 34 | |
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| 35 | #define PECI_PCS_PKG_ID 0 /* Package Identifier Read */ |
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| 36 | #define PECI_PKG_ID_CPU_ID 0x0000 /* CPUID Info */ |
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| 37 | #define PECI_PKG_ID_PLATFORM_ID 0x0001 /* Platform ID */ |
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| 38 | #define PECI_PKG_ID_DEVICE_ID 0x0002 /* Uncore Device ID */ |
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| 39 | #define PECI_PKG_ID_MAX_THREAD_ID 0x0003 /* Max Thread ID */ |
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| 40 | #define PECI_PKG_ID_MICROCODE_REV 0x0004 /* CPU Microcode Update Revision */ |
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| 41 | #define PECI_PKG_ID_MCA_ERROR_LOG 0x0005 /* Machine Check Status */ |
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| 42 | #define PECI_PCS_MODULE_TEMP 9 /* Per Core DTS Temperature Read */ |
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| 43 | #define PECI_PCS_THERMAL_MARGIN 10 /* DTS thermal margin */ |
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| 44 | #define PECI_PCS_DDR_DIMM_TEMP 14 /* DDR DIMM Temperature */ |
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| 45 | #define PECI_PCS_TEMP_TARGET 16 /* Temperature Target Read */ |
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| 46 | #define PECI_PCS_TDP_UNITS 30 /* Units for power/energy registers */ |
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| 47 | |
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| 48 | struct peci_device; |
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| 49 | |
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| 50 | int peci_temp_read(struct peci_device *device, s16 *temp_raw); |
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| 51 | |
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| 52 | int peci_pcs_read(struct peci_device *device, u8 index, |
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| 53 | u16 param, u32 *data); |
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| 54 | |
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| 55 | int peci_pci_local_read(struct peci_device *device, u8 bus, u8 dev, |
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| 56 | u8 func, u16 reg, u32 *data); |
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| 57 | |
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| 58 | int peci_ep_pci_local_read(struct peci_device *device, u8 seg, |
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| 59 | u8 bus, u8 dev, u8 func, u16 reg, u32 *data); |
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| 60 | |
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| 61 | int peci_mmio_read(struct peci_device *device, u8 bar, u8 seg, |
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| 62 | u8 bus, u8 dev, u8 func, u64 address, u32 *data); |
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| 63 | |
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| 64 | #endif /* __LINUX_PECI_CPU_H */ |
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| 65 | |
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