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tpm: wrap stX_be_p in tpm_cmd_set_XYZ functions 

Wrap the calls to stl_be_p and stw_be_p in tpm_cmd_set_XYZ functions
that are similar to existing getters.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Stefan Berger 2018-02-01 18:05:10 -05:00
parent b8d44ab8fe
commit a35e15dca3
2 changed files with 18 additions and 3 deletions
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6
hw/tpm/tpm_util.c
View File

@ -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);
}
}

15
hw/tpm/tpm_util.h
View File

@ -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);