tests/qtest/tpm-emu.h

   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 "sysemu/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 */