xref: /openbmc/qemu/tests/qtest/tpm-emu.h (revision a003dbc6)
1 /*
2  * Minimal TPM emulator for TPM test cases
3  *
4  * Copyright (c) 2018 Red Hat, Inc.
5  *
6  * Authors:
7  *   Marc-André Lureau <marcandre.lureau@redhat.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 
13 #ifndef TESTS_TPM_EMU_H
14 #define TESTS_TPM_EMU_H
15 
16 #define TPM_RC_FAILURE 0x101
17 #define TPM2_ST_NO_SESSIONS 0x8001
18 
19 #include "qemu/sockets.h"
20 #include "io/channel.h"
21 #include "sysemu/tpm.h"
22 
23 struct tpm_hdr {
24     uint16_t tag;
25     uint32_t len;
26     uint32_t code; /*ordinal/error */
27     char buffer[];
28 } QEMU_PACKED;
29 
30 #ifndef CONFIG_TPM
31 enum TPMVersion {
32     TPM_VERSION_2_0 = 2,
33 };
34 #endif
35 
36 typedef struct TPMTestState {
37     GMutex data_mutex;
38     GCond data_cond;
39     bool data_cond_signal;
40     SocketAddress *addr;
41     QIOChannel *tpm_ioc;
42     GThread *emu_tpm_thread;
43     struct tpm_hdr *tpm_msg;
44     enum TPMVersion tpm_version;
45 } TPMTestState;
46 
47 void tpm_emu_test_wait_cond(TPMTestState *s);
48 void *tpm_emu_ctrl_thread(void *data);
49 
50 #endif /* TESTS_TPM_EMU_H */
51