83 lines
1.4 KiB
C
83 lines
1.4 KiB
C
/*
|
|
* Copyright (C) 2018 Intel Corporation
|
|
* All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdbool.h>
|
|
|
|
#include "vmmapi.h"
|
|
#include "tpm.h"
|
|
#include "tpm_internal.h"
|
|
|
|
static int tpm_debug;
|
|
#define LOG_TAG "tpm: "
|
|
#define DPRINTF(fmt, args...) \
|
|
do { if (tpm_debug) printf(LOG_TAG "%s:" fmt, __func__, ##args); } while (0)
|
|
#define WPRINTF(fmt, args...) \
|
|
do { printf(LOG_TAG "%s:" fmt, __func__, ##args); } while (0)
|
|
|
|
#define STR_MAX_LEN 1024U
|
|
static char *sock_path = NULL;
|
|
|
|
enum {
|
|
SOCK_PATH_OPT = 0
|
|
};
|
|
|
|
char *const token[] = {
|
|
[SOCK_PATH_OPT] = "sock_path",
|
|
NULL
|
|
};
|
|
|
|
int acrn_parse_vtpm2(char *arg)
|
|
{
|
|
char *value;
|
|
size_t len = strnlen(arg, STR_MAX_LEN);
|
|
|
|
if (len == STR_MAX_LEN)
|
|
return -1;
|
|
|
|
if (SOCK_PATH_OPT == getsubopt(&arg, token, &value)) {
|
|
if (value == NULL) {
|
|
DPRINTF("Invalid vtpm socket path\n");
|
|
return -1;
|
|
}
|
|
sock_path = calloc(len + 1, 1);
|
|
if (!sock_path)
|
|
return -1;
|
|
strncpy(sock_path, value, len + 1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void init_vtpm2(struct vmctx *ctx)
|
|
{
|
|
if (!sock_path) {
|
|
WPRINTF("Invalid socket path!\n");
|
|
return;
|
|
}
|
|
|
|
if (init_tpm_emulator(sock_path) < 0) {
|
|
WPRINTF("Failed init tpm emulator!\n");
|
|
return;
|
|
}
|
|
|
|
if (init_tpm_crb(ctx) < 0) {
|
|
WPRINTF("Failed init tpm emulator!\n");
|
|
}
|
|
}
|
|
|
|
void deinit_vtpm2(struct vmctx *ctx)
|
|
{
|
|
if (ctx->tpm_dev) {
|
|
deinit_tpm_crb(ctx);
|
|
|
|
deinit_tpm_emulator();
|
|
}
|
|
}
|