Add PhysicalDisable command.

src/tlcl/tlcl.c

 /* Copyright (c) 2010 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.
  */
 
 /* A lightweight TPM command library.
  *
  * The general idea is that TPM commands are array of bytes whose fields are
  * mostly compile-time constant.  The goal is to build much of the commands at
  * compile time (or build time) and change some of the fields at run time as
@@ skipping 321 matching lines @@
 }
 
 uint32_t TlclForceClear(void) {
   return Send(tpm_forceclear_cmd.buffer);
 }
 
 uint32_t TlclSetEnable(void) {
   return Send(tpm_physicalenable_cmd.buffer);
 }
 
+uint32_t TlclClearEnable(void) {
+  return Send(tpm_physicaldisable_cmd.buffer);
+}
+
 uint32_t TlclSetDeactivated(uint8_t flag) {
   *((uint8_t*)tpm_physicalsetdeactivated_cmd.deactivated) = flag;
   return Send(tpm_physicalsetdeactivated_cmd.buffer);
 }
 
 uint32_t TlclGetFlags(uint8_t* disable, uint8_t* deactivated) {
   uint8_t response[TPM_LARGE_ENOUGH_COMMAND_SIZE];
   TPM_PERMANENT_FLAGS* pflags;
   uint32_t result;
   uint32_t size;
@@ skipping 35 matching lines @@
   ToTpmUint32(tpm_getpermissions_cmd.index, index);
   SendReceive(tpm_getpermissions_cmd.buffer, response, sizeof(response));
   result = TpmReturnCode(response);
   if (result != TPM_SUCCESS) {
     return result;
   }
   nvdata = response + kTpmResponseHeaderLength + sizeof(size);
   FromTpmUint32(nvdata + kNvDataPublicPermissionsOffset, permissions);
   return result;
 }