linux/drivers/gpu/drm/xe/xe_guc_klv_helpers.c

// SPDX-License-Identifier: MIT
/*
 * Copyright © 2024 Intel Corporation
 */

#include <linux/bitfield.h>
#include <drm/drm_print.h>

#include "abi/guc_klvs_abi.h"
#include "xe_guc_klv_helpers.h"
#include "xe_guc_klv_thresholds_set.h"

#define make_u64(hi, lo) …

/**
 * xe_guc_klv_key_to_string - Convert KLV key into friendly name.
 * @key: the `GuC KLV`_ key
 *
 * Return: name of the KLV key.
 */
const char *xe_guc_klv_key_to_string(u16 key)
{ … }

/**
 * xe_guc_klv_print - Print content of the buffer with `GuC KLV`_.
 * @klvs: the buffer with KLVs
 * @num_dwords: number of dwords (u32) available in the buffer
 * @p: the &drm_printer
 *
 * The buffer may contain more than one KLV.
 */
void xe_guc_klv_print(const u32 *klvs, u32 num_dwords, struct drm_printer *p)
{ … }

/**
 * xe_guc_klv_count - Count KLVs present in the buffer.
 * @klvs: the buffer with KLVs
 * @num_dwords: number of dwords (u32) in the buffer
 *
 * Return: number of recognized KLVs or
 *         a negative error code if KLV buffer is truncated.
 */
int xe_guc_klv_count(const u32 *klvs, u32 num_dwords)
{ … }