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_FlushContext_Prepare(TSS2_SYS_CONTEXT * sysContext,TPMI_DH_CONTEXT flushHandle)15 TSS2_RC Tss2_Sys_FlushContext_Prepare(
16 TSS2_SYS_CONTEXT *sysContext,
17 TPMI_DH_CONTEXT flushHandle)
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_FlushContext);
26 if (rval)
27 return rval;
28 rval = Tss2_MU_UINT32_Marshal(flushHandle, ctx->cmdBuffer,
29 ctx->maxCmdSize,
30 &ctx->nextData);
31 if (rval)
32 return rval;
33
34 ctx->decryptAllowed = 0;
35 ctx->encryptAllowed = 0;
36 ctx->authAllowed = 0;
37
38 return CommonPrepareEpilogue(ctx);
39 }
40
Tss2_Sys_FlushContext_Complete(TSS2_SYS_CONTEXT * sysContext)41 TSS2_RC Tss2_Sys_FlushContext_Complete (
42 TSS2_SYS_CONTEXT *sysContext)
43 {
44 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
45
46 if (!ctx)
47 return TSS2_SYS_RC_BAD_REFERENCE;
48
49 return CommonComplete(ctx);
50 }
51
Tss2_Sys_FlushContext(TSS2_SYS_CONTEXT * sysContext,TPMI_DH_CONTEXT flushHandle)52 TSS2_RC Tss2_Sys_FlushContext(
53 TSS2_SYS_CONTEXT *sysContext,
54 TPMI_DH_CONTEXT flushHandle)
55 {
56 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
57 TSS2_RC rval;
58
59 rval = Tss2_Sys_FlushContext_Prepare(sysContext, flushHandle);
60 if (rval)
61 return rval;
62
63 rval = CommonOneCall(ctx, 0, 0);
64 if (rval)
65 return rval;
66
67 return Tss2_Sys_FlushContext_Complete(sysContext);
68 }
69