1// SPDX-License-Identifier: GPL-2.0
2
3#include <linux/kernel.h>
4#include <linux/sched.h>
5#include <linux/cred.h>
6#include <linux/err.h>
7#include <linux/efi.h>
8#include <linux/slab.h>
9#include <keys/asymmetric-type.h>
10#include <keys/system_keyring.h>
11#include <asm/boot_data.h>
12#include "../integrity.h"
13
14/*
15 * Load the certs contained in the IPL report created by the machine loader
16 * into the platform trusted keyring.
17 */
18static int __init load_ipl_certs(void)
19{
20	void *ptr, *end;
21	unsigned int len;
22
23	if (!ipl_cert_list_addr)
24		return 0;
25	/* Copy the certificates to the platform keyring */
26	ptr = __va(ipl_cert_list_addr);
27	end = ptr + ipl_cert_list_size;
28	while ((void *) ptr < end) {
29		len = *(unsigned int *) ptr;
30		ptr += sizeof(unsigned int);
31		add_to_platform_keyring("IPL:db", ptr, len);
32		ptr += len;
33	}
34	return 0;
35}
36late_initcall(load_ipl_certs);
37