diff options
| -rw-r--r-- | backends/tpm/tpm_emulator.c | 14 | ||||
| -rw-r--r-- | backends/tpm/tpm_ioctl.h | 13 | ||||
| -rw-r--r-- | backends/tpm/trace-events | 2 |
3 files changed, 21 insertions, 8 deletions
diff --git a/backends/tpm/tpm_emulator.c b/backends/tpm/tpm_emulator.c index 5a8fba9bde..b0e2fb3fc7 100644 --- a/backends/tpm/tpm_emulator.c +++ b/backends/tpm/tpm_emulator.c @@ -72,7 +72,7 @@ struct TPMEmulator { CharBackend ctrl_chr; QIOChannel *data_ioc; TPMVersion tpm_version; - ptm_cap caps; /* capabilities of the TPM */ + uint32_t caps; /* capabilities of the TPM */ uint8_t cur_locty_number; /* last set locality */ Error *migration_blocker; @@ -239,13 +239,15 @@ static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd, static int tpm_emulator_probe_caps(TPMEmulator *tpm_emu) { + ptm_cap_n cap_n; + if (tpm_emulator_ctrlcmd(tpm_emu, CMD_GET_CAPABILITY, - &tpm_emu->caps, 0, sizeof(tpm_emu->caps)) < 0) { + &cap_n, 0, sizeof(cap_n)) < 0) { error_report("tpm-emulator: probing failed : %s", strerror(errno)); return -1; } - tpm_emu->caps = be64_to_cpu(tpm_emu->caps); + tpm_emu->caps = be32_to_cpu(cap_n.u.resp.caps); trace_tpm_emulator_probe_caps(tpm_emu->caps); @@ -254,7 +256,7 @@ static int tpm_emulator_probe_caps(TPMEmulator *tpm_emu) static int tpm_emulator_check_caps(TPMEmulator *tpm_emu) { - ptm_cap caps = 0; + uint32_t caps = 0; const char *tpm = NULL; /* check for min. required capabilities */ @@ -527,8 +529,8 @@ static size_t tpm_emulator_get_buffer_size(TPMBackend *tb) static int tpm_emulator_block_migration(TPMEmulator *tpm_emu) { Error *err = NULL; - ptm_cap caps = PTM_CAP_GET_STATEBLOB | PTM_CAP_SET_STATEBLOB | - PTM_CAP_STOP; + uint32_t caps = PTM_CAP_GET_STATEBLOB | PTM_CAP_SET_STATEBLOB | + PTM_CAP_STOP; if (!TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(tpm_emu, caps)) { error_setg(&tpm_emu->migration_blocker, diff --git a/backends/tpm/tpm_ioctl.h b/backends/tpm/tpm_ioctl.h index 1933ab6855..ee2dd15d35 100644 --- a/backends/tpm/tpm_ioctl.h +++ b/backends/tpm/tpm_ioctl.h @@ -29,6 +29,16 @@ typedef uint32_t ptm_res; +/* PTM_GET_CAPABILITY: Get supported capabilities (ioctl's) */ +struct ptm_cap_n { + union { + struct { + ptm_res tpm_result; /* will always be TPM_SUCCESS (0) */ + uint32_t caps; + } resp; /* response */ + } u; +}; + /* PTM_GET_TPMESTABLISHED: get the establishment bit */ struct ptm_est { union { @@ -242,7 +252,8 @@ struct ptm_lockstorage { } u; }; -typedef uint64_t ptm_cap; +typedef uint64_t ptm_cap; /* CUSE-only; use ptm_cap_n otherwise */ +typedef struct ptm_cap_n ptm_cap_n; typedef struct ptm_est ptm_est; typedef struct ptm_reset_est ptm_reset_est; typedef struct ptm_loc ptm_loc; diff --git a/backends/tpm/trace-events b/backends/tpm/trace-events index cb5cfa6510..05e30533ce 100644 --- a/backends/tpm/trace-events +++ b/backends/tpm/trace-events @@ -16,7 +16,7 @@ tpm_util_show_buffer_content(const char *buf) "%s" # tpm_emulator.c tpm_emulator_set_locality(uint8_t locty) "setting locality to %d" tpm_emulator_handle_request(void) "processing TPM command" -tpm_emulator_probe_caps(uint64_t caps) "capabilities: 0x%"PRIx64 +tpm_emulator_probe_caps(uint32_t caps) "capabilities: 0x%x" tpm_emulator_set_buffer_size(uint32_t buffersize, uint32_t minsize, uint32_t maxsize) "buffer size: %u, min: %u, max: %u" tpm_emulator_startup_tpm_resume(bool is_resume, size_t buffersize) "is_resume: %d, buffer size: %zu" tpm_emulator_get_tpm_established_flag(uint8_t flag) "got established flag: %d" |