blob: 4eea9fd87b612ba8b15e8386524fcdc4c368035d [file] [log] [blame]
// Copyright 2015 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// THIS CODE IS GENERATED - DO NOT MODIFY!
#include "MemoryLib_fp.h"
#include "NV_Read_fp.h"
UINT16 NV_Read_Out_Marshal(NV_Read_Out* source,
TPMI_ST_COMMAND_TAG tag,
BYTE** buffer,
INT32* size) {
UINT16 total_size = 0;
UINT32 parameter_size = 0;
BYTE* parameter_size_location;
INT32 parameter_size_size = sizeof(UINT32);
UINT32 num_response_handles = 0;
// Add parameter_size=0 to indicate size of the parameter area. Will be
// replaced later by computed parameter_size.
if (tag == TPM_ST_SESSIONS) {
parameter_size_location = *buffer;
// Don't add to total_size, but increment *buffer and decrement *size.
UINT32_Marshal(&parameter_size, buffer, size);
}
// Marshal response parameters.
total_size += TPM2B_MAX_NV_BUFFER_Marshal(&source->data, buffer, size);
// Compute actual parameter_size. Don't add result to total_size.
if (tag == TPM_ST_SESSIONS) {
parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
UINT32_Marshal(&parameter_size, &parameter_size_location,
&parameter_size_size);
}
return total_size;
}
TPM_RC NV_Read_In_Unmarshal(NV_Read_In* target,
TPM_HANDLE request_handles[],
BYTE** buffer,
INT32* size) {
TPM_RC result = TPM_RC_SUCCESS;
// Get request handles from request_handles array.
target->authHandle = request_handles[0];
target->nvIndex = request_handles[1];
// Unmarshal request parameters.
result = UINT16_Unmarshal(&target->size, buffer, size);
if (result != TPM_RC_SUCCESS) {
return result;
}
result = UINT16_Unmarshal(&target->offset, buffer, size);
if (result != TPM_RC_SUCCESS) {
return result;
}
if ((result == TPM_RC_SUCCESS) && *size) {
result = TPM_RC_SIZE;
}
return result;
}
TPM_RC Exec_NV_Read(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) {
TPM_RC result = TPM_RC_SUCCESS;
NV_Read_In in;
NV_Read_Out out;
#ifdef TPM_CC_NV_Read
BYTE* response_buffer;
INT32 response_buffer_size;
UINT16 bytes_marshalled;
UINT16 num_response_handles = 0;
#endif
*response_handle_buffer_size = 0;
*response_parameter_buffer_size = 0;
// Unmarshal request parameters to input structure.
result = NV_Read_In_Unmarshal(&in, request_handles, request_parameter_buffer,
request_parameter_buffer_size);
if (result != TPM_RC_SUCCESS) {
return result;
}
// Execute command.
result = TPM2_NV_Read(&in, &out);
if (result != TPM_RC_SUCCESS) {
return result;
}
// Marshal output structure to global response buffer.
#ifdef TPM_CC_NV_Read
response_buffer = MemoryGetResponseBuffer(TPM_CC_NV_Read) + 10;
response_buffer_size = MAX_RESPONSE_SIZE - 10;
bytes_marshalled =
NV_Read_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size);
*response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
*response_parameter_buffer_size =
bytes_marshalled - *response_handle_buffer_size;
return TPM_RC_SUCCESS;
#endif
return TPM_RC_COMMAND_CODE;
}