78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2025 Intel Corporation
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*/
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#ifndef _ABI_GUC_LIC_ABI_H_
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#define _ABI_GUC_LIC_ABI_H_
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#include <linux/types.h>
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/**
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* enum guc_lic_type - Log Init Config KLV IDs.
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*/
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enum guc_lic_type {
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/**
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* @GUC_LIC_TYPE_GUC_SW_VERSION: GuC firmware version. Value
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* is a 32 bit number represented by guc_sw_version.
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*/
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GUC_LIC_TYPE_GUC_SW_VERSION = 0x1,
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/**
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* @GUC_LIC_TYPE_GUC_DEVICE_ID: GuC device id. Value is a 32
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* bit.
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*/
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GUC_LIC_TYPE_GUC_DEVICE_ID = 0x2,
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/**
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* @GUC_LIC_TYPE_TSC_FREQUENCY: GuC timestamp counter
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* frequency. Value is a 32 bit number representing frequency in
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* kHz. This timestamp is utilized in log entries, timer and
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* for engine utilization tracking.
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*/
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GUC_LIC_TYPE_TSC_FREQUENCY = 0x3,
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/**
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* @GUC_LIC_TYPE_GMD_ID: HW GMD ID. Value is a 32 bit number
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* representing graphics, media and display HW architecture IDs.
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*/
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GUC_LIC_TYPE_GMD_ID = 0x4,
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/**
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* @GUC_LIC_TYPE_BUILD_PLATFORM_ID: GuC build platform ID.
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* Value is 32 bits.
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*/
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GUC_LIC_TYPE_BUILD_PLATFORM_ID = 0x5,
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};
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/**
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* struct guc_lic - GuC LIC (Log-Init-Config) structure.
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*
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* This is populated by the GUC at log init time and is located in the log
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* buffer memory allocation.
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*/
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struct guc_lic {
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/**
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* @magic: A magic number set by GuC to identify that this
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* structure contains valid information: magic = GUC_LIC_MAGIC.
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*/
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u32 magic;
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#define GUC_LIC_MAGIC 0x8086900D
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/**
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* @version: The version of the this structure.
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* Major and minor version number are represented as bit fields.
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*/
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u32 version;
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#define GUC_LIC_VERSION_MASK_MAJOR GENMASK(31, 16)
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#define GUC_LIC_VERSION_MASK_MINOR GENMASK(15, 0)
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#define GUC_LIC_VERSION_MAJOR 1u
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#define GUC_LIC_VERSION_MINOR 0u
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/** @data_count: Number of dwords the `data` array contains. */
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u32 data_count;
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/**
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* @data: Array of dwords representing a list of LIC KLVs of
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* type guc_klv_generic with keys represented by guc_lic_type
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*/
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u32 data[] __counted_by(data_count);
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} __packed;
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#endif
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