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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 "LoadExternal_fp.h"
      9 
     10 UINT16 LoadExternal_Out_Marshal(LoadExternal_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 = 1;
     19   // Marshal response handles.
     20   total_size += TPM_HANDLE_Marshal(&source->objectHandle, buffer, size);
     21   // Add parameter_size=0 to indicate size of the parameter area. Will be
     22   // replaced later by computed parameter_size.
     23   if (tag == TPM_ST_SESSIONS) {
     24     parameter_size_location = *buffer;
     25     // Don't add to total_size, but increment *buffer and decrement *size.
     26     UINT32_Marshal(&parameter_size, buffer, size);
     27   }
     28   // Marshal response parameters.
     29   total_size += TPM2B_NAME_Marshal(&source->name, buffer, size);
     30   // Compute actual parameter_size. Don't add result to total_size.
     31   if (tag == TPM_ST_SESSIONS) {
     32     parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
     33     UINT32_Marshal(&parameter_size, &parameter_size_location,
     34                    &parameter_size_size);
     35   }
     36   return total_size;
     37 }
     38 
     39 TPM_RC LoadExternal_In_Unmarshal(LoadExternal_In* target,
     40                                  TPM_HANDLE request_handles[],
     41                                  BYTE** buffer,
     42                                  INT32* size) {
     43   TPM_RC result = TPM_RC_SUCCESS;
     44   // Unmarshal request parameters.
     45   result = TPM2B_SENSITIVE_Unmarshal(&target->inPrivate, buffer, size);
     46   if (result != TPM_RC_SUCCESS) {
     47     return result;
     48   }
     49   result = TPM2B_PUBLIC_Unmarshal(&target->inPublic, buffer, size);
     50   if (result != TPM_RC_SUCCESS) {
     51     return result;
     52   }
     53   result = TPMI_RH_HIERARCHY_Unmarshal(&target->hierarchy, buffer, size, TRUE);
     54   if (result != TPM_RC_SUCCESS) {
     55     return result;
     56   }
     57   if ((result == TPM_RC_SUCCESS) && *size) {
     58     result = TPM_RC_SIZE;
     59   }
     60   return result;
     61 }
     62 
     63 TPM_RC Exec_LoadExternal(TPMI_ST_COMMAND_TAG tag,
     64                          BYTE** request_parameter_buffer,
     65                          INT32* request_parameter_buffer_size,
     66                          TPM_HANDLE request_handles[],
     67                          UINT32* response_handle_buffer_size,
     68                          UINT32* response_parameter_buffer_size) {
     69   TPM_RC result = TPM_RC_SUCCESS;
     70   LoadExternal_In in;
     71   LoadExternal_Out out;
     72 #ifdef TPM_CC_LoadExternal
     73   BYTE* response_buffer;
     74   INT32 response_buffer_size;
     75   UINT16 bytes_marshalled;
     76   UINT16 num_response_handles = 1;
     77 #endif
     78   *response_handle_buffer_size = 0;
     79   *response_parameter_buffer_size = 0;
     80   // Unmarshal request parameters to input structure.
     81   result =
     82       LoadExternal_In_Unmarshal(&in, request_handles, request_parameter_buffer,
     83                                 request_parameter_buffer_size);
     84   if (result != TPM_RC_SUCCESS) {
     85     return result;
     86   }
     87   // Execute command.
     88   result = TPM2_LoadExternal(&in, &out);
     89   if (result != TPM_RC_SUCCESS) {
     90     return result;
     91   }
     92 // Marshal output structure to global response buffer.
     93 #ifdef TPM_CC_LoadExternal
     94   response_buffer = MemoryGetResponseBuffer(TPM_CC_LoadExternal) + 10;
     95   response_buffer_size = MAX_RESPONSE_SIZE - 10;
     96   bytes_marshalled = LoadExternal_Out_Marshal(&out, tag, &response_buffer,
     97                                               &response_buffer_size);
     98   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
     99   *response_parameter_buffer_size =
    100       bytes_marshalled - *response_handle_buffer_size;
    101   return TPM_RC_SUCCESS;
    102 #endif
    103   return TPM_RC_COMMAND_CODE;
    104 }
    105