cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vivaldi-fmap.c (1000B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Helpers for ChromeOS Vivaldi keyboard function row mapping
      4 *
      5 * Copyright (C) 2022 Google, Inc
      6 */
      7
      8#include <linux/export.h>
      9#include <linux/input/vivaldi-fmap.h>
     10#include <linux/kernel.h>
     11#include <linux/module.h>
     12#include <linux/types.h>
     13
     14/**
     15 * vivaldi_function_row_physmap_show - Print vivaldi function row physmap attribute
     16 * @data: The vivaldi function row map
     17 * @buf: Buffer to print the function row phsymap to
     18 */
     19ssize_t vivaldi_function_row_physmap_show(const struct vivaldi_data *data,
     20					  char *buf)
     21{
     22	ssize_t size = 0;
     23	int i;
     24	const u32 *physmap = data->function_row_physmap;
     25
     26	if (!data->num_function_row_keys)
     27		return 0;
     28
     29	for (i = 0; i < data->num_function_row_keys; i++)
     30		size += scnprintf(buf + size, PAGE_SIZE - size,
     31				  "%s%02X", size ? " " : "", physmap[i]);
     32	if (size)
     33		size += scnprintf(buf + size, PAGE_SIZE - size, "\n");
     34
     35	return size;
     36}
     37EXPORT_SYMBOL_GPL(vivaldi_function_row_physmap_show);
     38
     39MODULE_LICENSE("GPL");