251 	int rc;  in tpm2_pcr_read()  local
267 	rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd),  in tpm2_pcr_read()
269 	if (rc == 0) {  in tpm2_pcr_read()
274 	return rc;  in tpm2_pcr_read()
300 	int rc;  in tpm2_pcr_extend()  local
315 	rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd),  in tpm2_pcr_extend()
318 	return rc;  in tpm2_pcr_extend()
432 	int rc;  in tpm2_seal_trusted()  local
434 	rc = tpm_buf_init(&buf, TPM2_ST_SESSIONS, TPM2_CC_CREATE);  in tpm2_seal_trusted()
435 	if (rc)  in tpm2_seal_trusted()
436 		return rc;  in tpm2_seal_trusted()
471 		rc = -E2BIG;  in tpm2_seal_trusted()
475 	rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "sealing data");  in tpm2_seal_trusted()
476 	if (rc)  in tpm2_seal_trusted()
481 		rc = -E2BIG;  in tpm2_seal_trusted()
491 	if (rc > 0)  in tpm2_seal_trusted()
492 		rc = -EPERM;  in tpm2_seal_trusted()
494 	return rc;  in tpm2_seal_trusted()
506 	int rc;  in tpm2_load()  local
517 	rc = tpm_buf_init(&buf, TPM2_ST_SESSIONS, TPM2_CC_LOAD);  in tpm2_load()
518 	if (rc)  in tpm2_load()
519 		return rc;  in tpm2_load()
531 		rc = -E2BIG;  in tpm2_load()
535 	rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "loading blob");  in tpm2_load()
536 	if (!rc)  in tpm2_load()
543 	if (rc > 0)  in tpm2_load()
544 		rc = -EPERM;  in tpm2_load()
546 	return rc;  in tpm2_load()
552 	int rc;  in tpm2_flush_context()  local
554 	rc = tpm_buf_init(&buf, TPM2_ST_NO_SESSIONS, TPM2_CC_FLUSH_CONTEXT);  in tpm2_flush_context()
555 	if (rc) {  in tpm2_flush_context()
563 	rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "flushing context");  in tpm2_flush_context()
564 	if (rc)  in tpm2_flush_context()
566 			 rc);  in tpm2_flush_context()
579 	int rc;  in tpm2_unseal()  local
581 	rc = tpm_buf_init(&buf, TPM2_ST_SESSIONS, TPM2_CC_UNSEAL);  in tpm2_unseal()
582 	if (rc)  in tpm2_unseal()
583 		return rc;  in tpm2_unseal()
592 	rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "unsealing");  in tpm2_unseal()
593 	if (rc > 0)  in tpm2_unseal()
594 		rc = -EPERM;  in tpm2_unseal()
596 	if (!rc) {  in tpm2_unseal()
607 	return rc;  in tpm2_unseal()
623 	int rc;  in tpm2_unseal_trusted()  local
625 	rc = tpm2_load(chip, payload, options, &blob_handle);  in tpm2_unseal_trusted()
626 	if (rc)  in tpm2_unseal_trusted()
627 		return rc;  in tpm2_unseal_trusted()
629 	rc = tpm2_unseal(chip, payload, options, blob_handle);  in tpm2_unseal_trusted()
633 	return rc;  in tpm2_unseal_trusted()
651 	int rc;  in tpm2_get_tpm_pt()  local
658 	rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), desc);  in tpm2_get_tpm_pt()
659 	if (!rc)  in tpm2_get_tpm_pt()
662 	return rc;  in tpm2_get_tpm_pt()
716 	int rc;  in tpm2_shutdown()  local
721 	rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), "stopping the TPM");  in tpm2_shutdown()
726 	if (rc < 0)  in tpm2_shutdown()
728 			 rc);  in tpm2_shutdown()
781 	int rc;  in tpm2_start_selftest()  local
787 	rc = tpm_transmit_cmd(chip, &cmd, TPM2_SELF_TEST_IN_SIZE,  in tpm2_start_selftest()
793 	if (rc == TPM2_RC_TESTING) {  in tpm2_start_selftest()
795 		rc = 0;  in tpm2_start_selftest()
798 	return rc;  in tpm2_start_selftest()
814 	int rc;  in tpm2_do_selftest()  local
825 	rc = tpm2_start_selftest(chip, true);  in tpm2_do_selftest()
826 	if (rc)  in tpm2_do_selftest()
827 		return rc;  in tpm2_do_selftest()
839 		rc = tpm_transmit_cmd(chip, (u8 *) &cmd, sizeof(cmd), NULL);  in tpm2_do_selftest()
840 		if (rc < 0)  in tpm2_do_selftest()
843 		rc = be32_to_cpu(cmd.header.out.return_code);  in tpm2_do_selftest()
844 		if (rc != TPM2_RC_TESTING)  in tpm2_do_selftest()
850 	return rc;  in tpm2_do_selftest()
881 	int rc;  in tpm2_probe()  local
888 	rc = tpm_transmit(chip, (const char *) &cmd, sizeof(cmd));  in tpm2_probe()
889 	if (rc <  0)  in tpm2_probe()
890 		return rc;  in tpm2_probe()
891 	else if (rc < TPM_HEADER_SIZE)  in tpm2_probe()