xref: /openbmc/qemu/tests/qtest/tpm-emu.h (revision c00506aa)
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 
22 struct tpm_hdr {
23     uint16_t tag;
24     uint32_t len;
25     uint32_t code; /*ordinal/error */
26     char buffer[];
27 } QEMU_PACKED;
28 
29 typedef struct TestState {
30     GMutex data_mutex;
31     GCond data_cond;
32     bool data_cond_signal;
33     SocketAddress *addr;
34     QIOChannel *tpm_ioc;
35     GThread *emu_tpm_thread;
36     struct tpm_hdr *tpm_msg;
37 } TestState;
38 
39 void tpm_emu_test_wait_cond(TestState *s);
40 void *tpm_emu_ctrl_thread(void *data);
41 
42 #endif /* TESTS_TPM_EMU_H */
43