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_FirmwareRead_Prepare(TSS2_SYS_CONTEXT * sysContext,UINT32 sequenceNumber)15 TSS2_RC Tss2_Sys_FirmwareRead_Prepare(
16 TSS2_SYS_CONTEXT *sysContext,
17 UINT32 sequenceNumber)
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_FirmwareRead);
26 if (rval)
27 return rval;
28
29 rval = Tss2_MU_UINT32_Marshal(sequenceNumber, ctx->cmdBuffer,
30 ctx->maxCmdSize,
31 &ctx->nextData);
32 if (rval)
33 return rval;
34
35 ctx->decryptAllowed = 0;
36 ctx->encryptAllowed = 1;
37 ctx->authAllowed = 1;
38
39 return CommonPrepareEpilogue(ctx);
40 }
41
Tss2_Sys_FirmwareRead_Complete(TSS2_SYS_CONTEXT * sysContext,TPM2B_MAX_BUFFER * fuData)42 TSS2_RC Tss2_Sys_FirmwareRead_Complete(
43 TSS2_SYS_CONTEXT *sysContext,
44 TPM2B_MAX_BUFFER *fuData)
45 {
46 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
47 TSS2_RC rval;
48
49 if (!ctx)
50 return TSS2_SYS_RC_BAD_REFERENCE;
51
52 rval = CommonComplete(ctx);
53 if (rval)
54 return rval;
55
56 return Tss2_MU_TPM2B_MAX_BUFFER_Unmarshal(ctx->cmdBuffer,
57 ctx->maxCmdSize,
58 &ctx->nextData, fuData);
59 }
60
Tss2_Sys_FirmwareRead(TSS2_SYS_CONTEXT * sysContext,TSS2L_SYS_AUTH_COMMAND const * cmdAuthsArray,UINT32 sequenceNumber,TPM2B_MAX_BUFFER * fuData,TSS2L_SYS_AUTH_RESPONSE * rspAuthsArray)61 TSS2_RC Tss2_Sys_FirmwareRead(
62 TSS2_SYS_CONTEXT *sysContext,
63 TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
64 UINT32 sequenceNumber,
65 TPM2B_MAX_BUFFER *fuData,
66 TSS2L_SYS_AUTH_RESPONSE *rspAuthsArray)
67 {
68 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
69 TSS2_RC rval;
70
71 rval = Tss2_Sys_FirmwareRead_Prepare(sysContext, sequenceNumber);
72 if (rval)
73 return rval;
74
75 rval = CommonOneCall(ctx, cmdAuthsArray, rspAuthsArray);
76 if (rval)
77 return rval;
78
79 return Tss2_Sys_FirmwareRead_Complete(sysContext, fuData);
80 }
81