diff options
| -rw-r--r-- | hw/tpm/tpm_util.c | 6 | ||||
| -rw-r--r-- | hw/tpm/tpm_util.h | 15 |
2 files changed, 18 insertions, 3 deletions
diff --git a/hw/tpm/tpm_util.c b/hw/tpm/tpm_util.c index 8abde59915..2de52a0f1b 100644 --- a/hw/tpm/tpm_util.c +++ b/hw/tpm/tpm_util.c @@ -106,9 +106,9 @@ const PropertyInfo qdev_prop_tpm = { void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len) { if (out_len >= sizeof(struct tpm_resp_hdr)) { - stw_be_p(out, TPM_TAG_RSP_COMMAND); - stl_be_p(out + 2, sizeof(struct tpm_resp_hdr)); - stl_be_p(out + 6, TPM_FAIL); + tpm_cmd_set_tag(out, TPM_TAG_RSP_COMMAND); + tpm_cmd_set_size(out, sizeof(struct tpm_resp_hdr)); + tpm_cmd_set_error(out, TPM_FAIL); } } diff --git a/hw/tpm/tpm_util.h b/hw/tpm/tpm_util.h index f003d15615..f397ac21b8 100644 --- a/hw/tpm/tpm_util.h +++ b/hw/tpm/tpm_util.h @@ -36,11 +36,21 @@ static inline uint16_t tpm_cmd_get_tag(const void *b) return lduw_be_p(b); } +static inline void tpm_cmd_set_tag(void *b, uint16_t tag) +{ + stw_be_p(b, tag); +} + static inline uint32_t tpm_cmd_get_size(const void *b) { return ldl_be_p(b + 2); } +static inline void tpm_cmd_set_size(void *b, uint32_t size) +{ + stl_be_p(b + 2, size); +} + static inline uint32_t tpm_cmd_get_ordinal(const void *b) { return ldl_be_p(b + 6); @@ -51,6 +61,11 @@ static inline uint32_t tpm_cmd_get_errcode(const void *b) return ldl_be_p(b + 6); } +static inline void tpm_cmd_set_error(void *b, uint32_t error) +{ + stl_be_p(b + 6, error); +} + int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version, size_t *buffersize); |