backends/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 BACKENDS_TPM_INT_H
  13 #define BACKENDS_TPM_INT_H
  14
  15 #include "qemu/option.h"
  16 #include "sysemu/tpm.h"
  17
  18 #define TPM_STANDARD_CMDLINE_OPTS \
  19     { \
  20         .name = "type", \
  21         .type = QEMU_OPT_STRING, \
  22         .help = "Type of TPM backend", \
  23     }
  24
  25 struct tpm_req_hdr {
  26     uint16_t tag;
  27     uint32_t len;
  28     uint32_t ordinal;
  29 } QEMU_PACKED;
  30
  31 struct tpm_resp_hdr {
  32     uint16_t tag;
  33     uint32_t len;
  34     uint32_t errcode;
  35 } QEMU_PACKED;
  36
  37 #define TPM_TAG_RQU_COMMAND       0xc1
  38 #define TPM_TAG_RQU_AUTH1_COMMAND 0xc2
  39 #define TPM_TAG_RQU_AUTH2_COMMAND 0xc3
  40
  41 #define TPM_TAG_RSP_COMMAND       0xc4
  42 #define TPM_TAG_RSP_AUTH1_COMMAND 0xc5
  43 #define TPM_TAG_RSP_AUTH2_COMMAND 0xc6
  44
  45 #define TPM_BAD_PARAMETER         3
  46 #define TPM_FAIL                  9
  47 #define TPM_KEYNOTFOUND           13
  48 #define TPM_BAD_PARAM_SIZE        25
  49 #define TPM_ENCRYPT_ERROR         32
  50 #define TPM_DECRYPT_ERROR         33
  51 #define TPM_BAD_KEY_PROPERTY      40
  52 #define TPM_BAD_MODE              44
  53 #define TPM_BAD_VERSION           46
  54 #define TPM_BAD_LOCALITY          61
  55
  56 #define TPM_ORD_ContinueSelfTest  0x53
  57 #define TPM_ORD_GetTicks          0xf1
  58 #define TPM_ORD_GetCapability     0x65
  59
  60 #define TPM_CAP_PROPERTY          0x05
  61
  62 #define TPM_CAP_PROP_INPUT_BUFFER 0x124
  63
  64 /* TPM2 defines */
  65 #define TPM2_ST_NO_SESSIONS       0x8001
  66
  67 #define TPM2_CC_ReadClock         0x00000181
  68 #define TPM2_CC_GetCapability     0x0000017a
  69
  70 #define TPM2_CAP_TPM_PROPERTIES   0x6
  71
  72 #define TPM2_PT_MAX_COMMAND_SIZE  0x11e
  73
  74 #define TPM_RC_INSUFFICIENT       0x9a
  75 #define TPM_RC_FAILURE            0x101
  76 #define TPM_RC_LOCALITY           0x907
  77
  78 int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version,
  79                              size_t *buffersize);
  80
  81 typedef struct TPMSizedBuffer {
  82     uint32_t size;
  83     uint8_t  *buffer;
  84 } TPMSizedBuffer;
  85
  86 void tpm_sized_buffer_reset(TPMSizedBuffer *tsb);
  87
  88 #endif /* BACKENDS_TPM_INT_H */