| /* |
| * TPM utility functions |
| * |
| * Copyright (c) 2010 - 2015 IBM Corporation |
| * Authors: |
| * Stefan Berger <stefanb@us.ibm.com> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/> |
| */ |
| |
| #ifndef TPM_TPM_UTIL_H |
| #define TPM_TPM_UTIL_H |
| |
| #include "sysemu/tpm.h" |
| #include "qemu/bswap.h" |
| |
| void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len); |
| |
| bool tpm_util_is_selftest(const uint8_t *in, uint32_t in_len); |
| |
| int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version); |
| |
| static inline uint16_t tpm_cmd_get_tag(const void *b) |
| { |
| return lduw_be_p(b); |
| } |
| |
| static inline uint32_t tpm_cmd_get_size(const void *b) |
| { |
| return ldl_be_p(b + 2); |
| } |
| |
| static inline uint32_t tpm_cmd_get_ordinal(const void *b) |
| { |
| return ldl_be_p(b + 6); |
| } |
| |
| static inline uint32_t tpm_cmd_get_errcode(const void *b) |
| { |
| return ldl_be_p(b + 6); |
| } |
| |
| int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version, |
| size_t *buffersize); |
| |
| #define DEFINE_PROP_TPMBE(_n, _s, _f) \ |
| DEFINE_PROP(_n, _s, _f, qdev_prop_tpm, TPMBackend *) |
| |
| typedef struct TPMSizedBuffer { |
| uint32_t size; |
| uint8_t *buffer; |
| } TPMSizedBuffer; |
| |
| void tpm_sized_buffer_reset(TPMSizedBuffer *tsb); |
| |
| #endif /* TPM_TPM_UTIL_H */ |