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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 "FieldUpgradeData_fp.h"
9 
FieldUpgradeData_Out_Marshal(FieldUpgradeData_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 FieldUpgradeData_Out_Marshal(FieldUpgradeData_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 += TPMT_HA_Marshal(&source->nextDigest, buffer, size);
28   total_size += TPMT_HA_Marshal(&source->firstDigest, buffer, size);
29   // Compute actual parameter_size. Don't add result to total_size.
30   if (tag == TPM_ST_SESSIONS) {
31     parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
32     UINT32_Marshal(&parameter_size, &parameter_size_location,
33                    &parameter_size_size);
34   }
35   return total_size;
36 }
37 
FieldUpgradeData_In_Unmarshal(FieldUpgradeData_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)38 TPM_RC FieldUpgradeData_In_Unmarshal(FieldUpgradeData_In* target,
39                                      TPM_HANDLE request_handles[],
40                                      BYTE** buffer,
41                                      INT32* size) {
42   TPM_RC result = TPM_RC_SUCCESS;
43   // Unmarshal request parameters.
44   result = TPM2B_MAX_BUFFER_Unmarshal(&target->fuData, buffer, size);
45   if (result != TPM_RC_SUCCESS) {
46     return result;
47   }
48   if ((result == TPM_RC_SUCCESS) && *size) {
49     result = TPM_RC_SIZE;
50   }
51   return result;
52 }
53 
Exec_FieldUpgradeData(TPMI_ST_COMMAND_TAG tag,BYTE ** request_parameter_buffer,INT32 * request_parameter_buffer_size,TPM_HANDLE request_handles[],UINT32 * response_handle_buffer_size,UINT32 * response_parameter_buffer_size)54 TPM_RC Exec_FieldUpgradeData(TPMI_ST_COMMAND_TAG tag,
55                              BYTE** request_parameter_buffer,
56                              INT32* request_parameter_buffer_size,
57                              TPM_HANDLE request_handles[],
58                              UINT32* response_handle_buffer_size,
59                              UINT32* response_parameter_buffer_size) {
60   TPM_RC result = TPM_RC_SUCCESS;
61   FieldUpgradeData_In in;
62   FieldUpgradeData_Out out;
63 #ifdef TPM_CC_FieldUpgradeData
64   BYTE* response_buffer;
65   INT32 response_buffer_size;
66   UINT16 bytes_marshalled;
67   UINT16 num_response_handles = 0;
68 #endif
69   *response_handle_buffer_size = 0;
70   *response_parameter_buffer_size = 0;
71   // Unmarshal request parameters to input structure.
72   result = FieldUpgradeData_In_Unmarshal(&in, request_handles,
73                                          request_parameter_buffer,
74                                          request_parameter_buffer_size);
75   if (result != TPM_RC_SUCCESS) {
76     return result;
77   }
78   // Execute command.
79   result = TPM2_FieldUpgradeData(&in, &out);
80   if (result != TPM_RC_SUCCESS) {
81     return result;
82   }
83 // Marshal output structure to global response buffer.
84 #ifdef TPM_CC_FieldUpgradeData
85   response_buffer = MemoryGetResponseBuffer(TPM_CC_FieldUpgradeData) + 10;
86   response_buffer_size = MAX_RESPONSE_SIZE - 10;
87   bytes_marshalled = FieldUpgradeData_Out_Marshal(&out, tag, &response_buffer,
88                                                   &response_buffer_size);
89   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
90   *response_parameter_buffer_size =
91       bytes_marshalled - *response_handle_buffer_size;
92   return TPM_RC_SUCCESS;
93 #endif
94   return TPM_RC_COMMAND_CODE;
95 }
96