2 * tpm_tis.h - QEMU's TPM TIS interface emulator
4 * Copyright (C) 2006, 2010-2013 IBM Corporation
10 * This work is licensed under the terms of the GNU GPL, version 2 or later.
11 * See the COPYING file in the top-level directory.
13 * Implementation of the TIS interface according to specs found at
14 * http://www.trustedcomputinggroup.org
20 #include "hw/isa/isa.h"
21 #include "qemu-common.h"
23 #define TPM_TIS_ADDR_BASE 0xFED40000
25 #define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
26 #define TPM_TIS_LOCALITY_SHIFT 12
27 #define TPM_TIS_NO_LOCALITY 0xff
29 #define TPM_TIS_IS_VALID_LOCTY(x) ((x) < TPM_TIS_NUM_LOCALITIES)
33 #define TPM_TIS_BUFFER_MAX 4096
35 #define TYPE_TPM_TIS "tpm-tis"
39 TPM_TIS_STATE_IDLE = 0,
41 TPM_TIS_STATE_COMPLETION,
42 TPM_TIS_STATE_EXECUTION,
43 TPM_TIS_STATE_RECEPTION,
46 /* locality data -- all fields are persisted */
47 typedef struct TPMLocality {
56 TPMSizedBuffer w_buffer;
57 TPMSizedBuffer r_buffer;
60 typedef struct TPMTISEmuState {
63 uint8_t buf[TPM_TIS_BUFFER_MAX];
66 uint8_t aborting_locty;
69 TPMLocality loc[TPM_TIS_NUM_LOCALITIES];
75 #endif /* TPM_TPM_TIS_H */