static int do_tpm_many(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[], int repeat_count)
{
int rv = 0;
if (argc < 7 && repeat_count == 0) {
puts("command should be at least six bytes in size\n");
return -1;
}
if (repeat_count > 0) {
rv = tpm_process_stress(repeat_count);
return rv;
}
if (tis_init()) {
puts("tis_init() failed!\n");
return -1;
}
if (tis_open()) {
puts("tis_open() failed!\n");
return -1;
}
rv = tpm_process(argc - 1, argv + 1, cmdtp);
if (tis_close()) {
puts("tis_close() failed!\n");
rv = -1;
}
return rv;
}
static void do_tpm_close(void)
{
int ret = tis_close();
if(!ret)
printf("TPM closed...\n");
else
printf("Failed to close the TPM with error: %d\n", ret);
}
static int tpm_process_stress(int repeat_count)
{
int i;
int rv = 0;
u8 request[] = {0x0, 0xc1,
0x0, 0x0, 0x0, 0x16,
0x0, 0x0, 0x0, 0x65,
0x0, 0x0, 0x0, 0x4,
0x0, 0x0, 0x0, 0x4,
0x0, 0x0, 0x1, 0x9};
u8 response[MAX_TRANSACTION_SIZE];
u32 rlength = MAX_TRANSACTION_SIZE;
CHECK(tis_init());
for (i = 0; i < repeat_count; i++) {
CHECK(tis_open());
rv = tis_sendrecv(request, sizeof(request), response, &rlength);
if (rv) {
printf("tpm test failed at step %d with 0x%x\n", i, rv);
CHECK(tis_close());
break;
}
CHECK(tis_close());
if ((response[6] || response[7] || response[8] || response[9])
&& response[9] != 0x26) {
/* Ignore postinit errors */
printf("tpm command failed at step %d\n"
"tpm error code: %02x%02x%02x%02x\n", i,
response[6], response[7],
response[8], response[9]);
rv = -1;
break;
}
}
return rv;
}
VbError_t VbExTpmClose(void)
{
if (tis_close())
return TPM_E_IOERROR;
return TPM_SUCCESS;
}
