1// Copyright 2015 The Chromium OS Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// THIS CODE IS GENERATED - DO NOT MODIFY!
6
7#include "MemoryLib_fp.h"
8#include "PCR_Allocate_fp.h"
9
10UINT16 PCR_Allocate_Out_Marshal(PCR_Allocate_Out* source,
11                                TPMI_ST_COMMAND_TAG tag,
12                                BYTE** buffer,
13                                INT32* size) {
14  UINT16 total_size = 0;
15  UINT32 parameter_size = 0;
16  BYTE* parameter_size_location;
17  INT32 parameter_size_size = sizeof(UINT32);
18  UINT32 num_response_handles = 0;
19  // Add parameter_size=0 to indicate size of the parameter area. Will be
20  // replaced later by computed parameter_size.
21  if (tag == TPM_ST_SESSIONS) {
22    parameter_size_location = *buffer;
23    // Don't add to total_size, but increment *buffer and decrement *size.
24    UINT32_Marshal(&parameter_size, buffer, size);
25  }
26  // Marshal response parameters.
27  total_size += TPMI_YES_NO_Marshal(&source->allocationSuccess, buffer, size);
28  total_size += UINT32_Marshal(&source->maxPCR, buffer, size);
29  total_size += UINT32_Marshal(&source->sizeNeeded, buffer, size);
30  total_size += UINT32_Marshal(&source->sizeAvailable, buffer, size);
31  // Compute actual parameter_size. Don't add result to total_size.
32  if (tag == TPM_ST_SESSIONS) {
33    parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
34    UINT32_Marshal(&parameter_size, &parameter_size_location,
35                   &parameter_size_size);
36  }
37  return total_size;
38}
39
40TPM_RC PCR_Allocate_In_Unmarshal(PCR_Allocate_In* target,
41                                 TPM_HANDLE request_handles[],
42                                 BYTE** buffer,
43                                 INT32* size) {
44  TPM_RC result = TPM_RC_SUCCESS;
45  // Get request handles from request_handles array.
46  target->authHandle = request_handles[0];
47  // Unmarshal request parameters.
48  result = TPML_PCR_SELECTION_Unmarshal(&target->pcrAllocation, buffer, size);
49  if (result != TPM_RC_SUCCESS) {
50    return result;
51  }
52  if ((result == TPM_RC_SUCCESS) && *size) {
53    result = TPM_RC_SIZE;
54  }
55  return result;
56}
57
58TPM_RC Exec_PCR_Allocate(TPMI_ST_COMMAND_TAG tag,
59                         BYTE** request_parameter_buffer,
60                         INT32* request_parameter_buffer_size,
61                         TPM_HANDLE request_handles[],
62                         UINT32* response_handle_buffer_size,
63                         UINT32* response_parameter_buffer_size) {
64  TPM_RC result = TPM_RC_SUCCESS;
65  PCR_Allocate_In in;
66  PCR_Allocate_Out out;
67#ifdef TPM_CC_PCR_Allocate
68  BYTE* response_buffer;
69  INT32 response_buffer_size;
70  UINT16 bytes_marshalled;
71  UINT16 num_response_handles = 0;
72#endif
73  *response_handle_buffer_size = 0;
74  *response_parameter_buffer_size = 0;
75  // Unmarshal request parameters to input structure.
76  result =
77      PCR_Allocate_In_Unmarshal(&in, request_handles, request_parameter_buffer,
78                                request_parameter_buffer_size);
79  if (result != TPM_RC_SUCCESS) {
80    return result;
81  }
82  // Execute command.
83  result = TPM2_PCR_Allocate(&in, &out);
84  if (result != TPM_RC_SUCCESS) {
85    return result;
86  }
87// Marshal output structure to global response buffer.
88#ifdef TPM_CC_PCR_Allocate
89  response_buffer = MemoryGetResponseBuffer(TPM_CC_PCR_Allocate) + 10;
90  response_buffer_size = MAX_RESPONSE_SIZE - 10;
91  bytes_marshalled = PCR_Allocate_Out_Marshal(&out, tag, &response_buffer,
92                                              &response_buffer_size);
93  *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
94  *response_parameter_buffer_size =
95      bytes_marshalled - *response_handle_buffer_size;
96  return TPM_RC_SUCCESS;
97#endif
98  return TPM_RC_COMMAND_CODE;
99}
100