hw/tpm/tpm_int.h

   1 /*
   2  * TPM configuration
   3  *
   4  * Copyright (C) 2011-2013 IBM Corporation
   5  *
   6  * Authors:
   7  *  Stefan Berger    <stefanb@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12 #ifndef TPM_TPM_INT_H
  13 #define TPM_TPM_INT_H
  14
  15 #include "exec/memory.h"
  16 #include "tpm_tis.h"
  17
  18 /* overall state of the TPM interface */
  19 struct TPMState {
  20     ISADevice busdev;
  21     MemoryRegion mmio;
  22
  23     union {
  24         TPMTISEmuState tis;
  25     } s;
  26
  27     uint8_t     locty_number;
  28     TPMLocality *locty_data;
  29
  30     char *backend;
  31     TPMBackend *be_driver;
  32 };
  33
  34 #define TPM(obj) OBJECT_CHECK(TPMState, (obj), TYPE_TPM_TIS)
  35
  36 #define TPM_STANDARD_CMDLINE_OPTS \
  37     { \
  38         .name = "type", \
  39         .type = QEMU_OPT_STRING, \
  40         .help = "Type of TPM backend", \
  41     }
  42
  43 struct tpm_req_hdr {
  44     uint16_t tag;
  45     uint32_t len;
  46     uint32_t ordinal;
  47 } QEMU_PACKED;
  48
  49 struct tpm_resp_hdr {
  50     uint16_t tag;
  51     uint32_t len;
  52     uint32_t errcode;
  53 } QEMU_PACKED;
  54
  55 #define TPM_TAG_RQU_COMMAND       0xc1
  56 #define TPM_TAG_RQU_AUTH1_COMMAND 0xc2
  57 #define TPM_TAG_RQU_AUTH2_COMMAND 0xc3
  58
  59 #define TPM_TAG_RSP_COMMAND       0xc4
  60 #define TPM_TAG_RSP_AUTH1_COMMAND 0xc5
  61 #define TPM_TAG_RSP_AUTH2_COMMAND 0xc6
  62
  63 #define TPM_FAIL                  9
  64
  65 #define TPM_ORD_GetTicks          0xf1
  66
  67 #endif /* TPM_TPM_INT_H */