1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /***********************************************************************;
3 * Copyright (c) 2015 - 2017, Intel Corporation
4 * All rights reserved.
5 ***********************************************************************/
6
7 #ifdef HAVE_CONFIG_H
8 #include <config.h>
9 #endif
10
11 #include "tss2_tpm2_types.h"
12 #include "tss2_mu.h"
13 #include "sysapi_util.h"
14
Tss2_Sys_PCR_Reset_Prepare(TSS2_SYS_CONTEXT * sysContext,TPMI_DH_PCR pcrHandle)15 TSS2_RC Tss2_Sys_PCR_Reset_Prepare(
16 TSS2_SYS_CONTEXT *sysContext,
17 TPMI_DH_PCR pcrHandle)
18 {
19 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
20 TSS2_RC rval;
21
22 if (!ctx)
23 return TSS2_SYS_RC_BAD_REFERENCE;
24
25 rval = CommonPreparePrologue(ctx, TPM2_CC_PCR_Reset);
26 if (rval)
27 return rval;
28
29 rval = Tss2_MU_UINT32_Marshal(pcrHandle, ctx->cmdBuffer,
30 ctx->maxCmdSize,
31 &ctx->nextData);
32 if (rval)
33 return rval;
34
35 ctx->decryptAllowed = 0;
36 ctx->encryptAllowed = 0;
37 ctx->authAllowed = 1;
38
39 return CommonPrepareEpilogue(ctx);
40 }
41
Tss2_Sys_PCR_Reset_Complete(TSS2_SYS_CONTEXT * sysContext)42 TSS2_RC Tss2_Sys_PCR_Reset_Complete (
43 TSS2_SYS_CONTEXT *sysContext)
44 {
45 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
46
47 if (!ctx)
48 return TSS2_SYS_RC_BAD_REFERENCE;
49
50 return CommonComplete(ctx);
51 }
52
Tss2_Sys_PCR_Reset(TSS2_SYS_CONTEXT * sysContext,TPMI_DH_PCR pcrHandle,TSS2L_SYS_AUTH_COMMAND const * cmdAuthsArray,TSS2L_SYS_AUTH_RESPONSE * rspAuthsArray)53 TSS2_RC Tss2_Sys_PCR_Reset(
54 TSS2_SYS_CONTEXT *sysContext,
55 TPMI_DH_PCR pcrHandle,
56 TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
57 TSS2L_SYS_AUTH_RESPONSE *rspAuthsArray)
58 {
59 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
60 TSS2_RC rval;
61
62 rval = Tss2_Sys_PCR_Reset_Prepare(sysContext, pcrHandle);
63 if (rval)
64 return rval;
65
66 rval = CommonOneCall(ctx, cmdAuthsArray, rspAuthsArray);
67 if (rval)
68 return rval;
69
70 return Tss2_Sys_PCR_Reset_Complete(sysContext);
71 }
72