| 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 | #define TPM_FAIL 9 |
| 20 | #define TPM_TAG_RSP_COMMAND 0xc4 |
| 21 | |
| 22 | #include "qemu/sockets.h" |
| 23 | #include "io/channel.h" |
| 24 | #include "system/tpm.h" |
| 25 | #include "libqtest.h" |
| 26 | |
| 27 | struct tpm_hdr { |
| 28 | uint16_t tag; |
| 29 | uint32_t len; |
| 30 | uint32_t code; /*ordinal/error */ |
| 31 | char buffer[]; |
| 32 | } QEMU_PACKED; |
| 33 | |
| 34 | #ifndef CONFIG_TPM |
| 35 | enum TPMVersion { |
| 36 | TPM_VERSION_1_2 = 1, |
| 37 | TPM_VERSION_2_0 = 2, |
| 38 | }; |
| 39 | #endif |
| 40 | |
| 41 | typedef struct TPMTestState { |
| 42 | GMutex data_mutex; |
| 43 | GCond data_cond; |
| 44 | bool data_cond_signal; |
| 45 | SocketAddress *addr; |
| 46 | QIOChannel *tpm_ioc; |
| 47 | GThread *emu_tpm_thread; |
| 48 | struct tpm_hdr *tpm_msg; |
| 49 | enum TPMVersion tpm_version; |
| 50 | } TPMTestState; |
| 51 | |
| 52 | void tpm_emu_test_wait_cond(TPMTestState *s); |
| 53 | void *tpm_emu_ctrl_thread(void *data); |
| 54 | bool tpm_model_is_available(const char *args, const char *tpm_if); |
| 55 | |
| 56 | #endif /* TESTS_TPM_EMU_H */ |