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1 // This file was extracted from the TCG Published
2 // Trusted Platform Module Library
3 // Part 3: Commands
4 // Family "2.0"
5 // Level 00 Revision 01.16
6 // October 30, 2014
7 
8 #include "InternalRoutines.h"
9 #include "PP_Commands_fp.h"
10 TPM_RC
TPM2_PP_Commands(PP_Commands_In * in)11 TPM2_PP_Commands(
12    PP_Commands_In   *in           // IN: input parameter list
13    )
14 {
15    UINT32           i;
16 
17    TPM_RC      result;
18 
19    // The command needs NV update. Check if NV is available.
20    // A TPM_RC_NV_UNAVAILABLE or TPM_RC_NV_RATE error may be returned at
21    // this point
22    result = NvIsAvailable();
23    if(result != TPM_RC_SUCCESS) return result;
24 
25 // Internal Data Update
26 
27    // Process set list
28    for(i = 0; i < in->setList.count; i++)
29        // If command is implemented, set it as PP required. If the input
30        // command is not a PP command, it will be ignored at
31        // PhysicalPresenceCommandSet().
32        if(CommandIsImplemented(in->setList.commandCodes[i]))
33            PhysicalPresenceCommandSet(in->setList.commandCodes[i]);
34 
35    // Process clear list
36    for(i = 0; i < in->clearList.count; i++)
37        // If command is implemented, clear it as PP required. If the input
38        // command is not a PP command, it will be ignored at
39        // PhysicalPresenceCommandClear(). If the input command is
40        // TPM2_PP_Commands, it will be ignored as well
41        if(CommandIsImplemented(in->clearList.commandCodes[i]))
42            PhysicalPresenceCommandClear(in->clearList.commandCodes[i]);
43 
44    // Save the change of PP list
45    NvWriteReserved(NV_PP_LIST, &gp.ppList);
46 
47    return TPM_RC_SUCCESS;
48 }
49