From a35e15dca3e0654211803cdac39b2603908457f4 Mon Sep 17 00:00:00 2001 From: Stefan Berger Date: Thu, 1 Feb 2018 18:05:10 -0500 Subject: tpm: wrap stX_be_p in tpm_cmd_set_XYZ functions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Marc-André Lureau --- hw/tpm/tpm_util.c | 6 +++--- hw/tpm/tpm_util.h | 15 +++++++++++++++ 2 files changed, 18 insertions(+), 3 deletions(-) (limited to 'hw/tpm') 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); -- cgit v1.2.3