diff options
Diffstat (limited to 'firmware/lib/tpm2_lite/tlcl.c')
| -rw-r--r-- | firmware/lib/tpm2_lite/tlcl.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/firmware/lib/tpm2_lite/tlcl.c b/firmware/lib/tpm2_lite/tlcl.c index 39c97eaa..938fdd66 100644 --- a/firmware/lib/tpm2_lite/tlcl.c +++ b/firmware/lib/tpm2_lite/tlcl.c @@ -289,8 +289,16 @@ uint32_t TlclGetSTClearFlags(TPM_STCLEAR_FLAGS *pflags) uint32_t TlclGetOwnership(uint8_t *owned) { + uint32_t rv; + TPM_PERMANENT_FLAGS flags; *owned = 0; - VBDEBUG(("%s called, NOT YET IMPLEMENTED\n", __func__)); + + rv = TlclGetPermanentFlags(&flags); + if (rv != TPM_SUCCESS) + return rv; + + *owned = flags.ownerAuthSet; + return TPM_SUCCESS; } @@ -434,13 +442,37 @@ uint32_t TlclPCRRead(uint32_t index, void *data, uint32_t length) uint32_t TlclWriteLock(uint32_t index) { - VBDEBUG(("%s called, NOT YET IMPLEMENTED\n", __func__)); + struct tpm2_nv_write_lock_cmd nv_writelockc; + struct tpm2_response *response; + + Memset(&nv_writelockc, 0, sizeof(nv_writelockc)); + + nv_writelockc.nvIndex = HR_NV_INDEX | index; + + response = tpm_process_command(TPM2_NV_WriteLock, &nv_writelockc); + + /* Need to map tpm error codes into internal values. */ + if (!response) + return TPM_E_WRITE_FAILURE; + return TPM_SUCCESS; } uint32_t TlclReadLock(uint32_t index) { - VBDEBUG(("%s called, NOT YET IMPLEMENTED\n", __func__)); + struct tpm2_nv_read_lock_cmd nv_readlockc; + struct tpm2_response *response; + + Memset(&nv_readlockc, 0, sizeof(nv_readlockc)); + + nv_readlockc.nvIndex = HR_NV_INDEX | index; + + response = tpm_process_command(TPM2_NV_ReadLock, &nv_readlockc); + + /* Need to map tpm error codes into internal values. */ + if (!response) + return TPM_E_READ_FAILURE; + return TPM_SUCCESS; } |