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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hsi_boardinfo.c (1257B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * HSI clients registration interface
      4 *
      5 * Copyright (C) 2010 Nokia Corporation. All rights reserved.
      6 *
      7 * Contact: Carlos Chinea <carlos.chinea@nokia.com>
      8 */
      9#include <linux/hsi/hsi.h>
     10#include <linux/list.h>
     11#include <linux/slab.h>
     12#include "hsi_core.h"
     13
     14/*
     15 * hsi_board_list is only used internally by the HSI framework.
     16 * No one else is allowed to make use of it.
     17 */
     18LIST_HEAD(hsi_board_list);
     19EXPORT_SYMBOL_GPL(hsi_board_list);
     20
     21/**
     22 * hsi_register_board_info - Register HSI clients information
     23 * @info: Array of HSI clients on the board
     24 * @len: Length of the array
     25 *
     26 * HSI clients are statically declared and registered on board files.
     27 *
     28 * HSI clients will be automatically registered to the HSI bus once the
     29 * controller and the port where the clients wishes to attach are registered
     30 * to it.
     31 *
     32 * Return -errno on failure, 0 on success.
     33 */
     34int __init hsi_register_board_info(struct hsi_board_info const *info,
     35							unsigned int len)
     36{
     37	struct hsi_cl_info *cl_info;
     38
     39	cl_info = kcalloc(len, sizeof(*cl_info), GFP_KERNEL);
     40	if (!cl_info)
     41		return -ENOMEM;
     42
     43	for (; len; len--, info++, cl_info++) {
     44		cl_info->info = *info;
     45		list_add_tail(&cl_info->list, &hsi_board_list);
     46	}
     47
     48	return 0;
     49}