diff options
Diffstat (limited to 'hw/tpm')
| -rw-r--r-- | hw/tpm/tpm_emulator.c | 21 | ||||
| -rw-r--r-- | hw/tpm/tpm_passthrough.c | 31 | ||||
| -rw-r--r-- | hw/tpm/tpm_tis.c | 3 |
3 files changed, 23 insertions, 32 deletions
diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c index 81bf7d1b01..710a9ec718 100644 --- a/hw/tpm/tpm_emulator.c +++ b/hw/tpm/tpm_emulator.c @@ -183,28 +183,19 @@ static int tpm_emulator_set_locality(TPMEmulator *tpm_emu, uint8_t locty_number, return 0; } -static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) +static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd, + Error **errp) { TPMEmulator *tpm_emu = TPM_EMULATOR(tb); - Error *err = NULL; DPRINTF("processing TPM command"); - if (tpm_emulator_set_locality(tpm_emu, cmd->locty, &err) < 0) { - goto error; - } - - if (tpm_emulator_unix_tx_bufs(tpm_emu, cmd->in, cmd->in_len, + if (tpm_emulator_set_locality(tpm_emu, cmd->locty, errp) < 0 || + tpm_emulator_unix_tx_bufs(tpm_emu, cmd->in, cmd->in_len, cmd->out, cmd->out_len, - &cmd->selftest_done, &err) < 0) { - goto error; + &cmd->selftest_done, errp) < 0) { + tpm_util_write_fatal_error_response(cmd->out, cmd->out_len); } - - return; - -error: - tpm_util_write_fatal_error_response(cmd->out, cmd->out_len); - error_report_err(err); } static int tpm_emulator_probe_caps(TPMEmulator *tpm_emu) diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c index fc42fe0933..a495fe07f4 100644 --- a/hw/tpm/tpm_passthrough.c +++ b/hw/tpm/tpm_passthrough.c @@ -80,10 +80,11 @@ static int tpm_passthrough_unix_read(int fd, uint8_t *buf, uint32_t len) } return ret; } -static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt, - const uint8_t *in, uint32_t in_len, - uint8_t *out, uint32_t out_len, - bool *selftest_done) + +static void tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt, + const uint8_t *in, uint32_t in_len, + uint8_t *out, uint32_t out_len, + bool *selftest_done, Error **errp) { ssize_t ret; bool is_selftest; @@ -98,9 +99,8 @@ static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt, ret = qemu_write_full(tpm_pt->tpm_fd, in, in_len); if (ret != in_len) { if (!tpm_pt->tpm_op_canceled || errno != ECANCELED) { - error_report("tpm_passthrough: error while transmitting data " - "to TPM: %s (%i)", - strerror(errno), errno); + error_setg_errno(errp, errno, "tpm_passthrough: error while " + "transmitting data to TPM"); } goto err_exit; } @@ -110,15 +110,14 @@ static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt, ret = tpm_passthrough_unix_read(tpm_pt->tpm_fd, out, out_len); if (ret < 0) { if (!tpm_pt->tpm_op_canceled || errno != ECANCELED) { - error_report("tpm_passthrough: error while reading data from " - "TPM: %s (%i)", - strerror(errno), errno); + error_setg_errno(errp, errno, "tpm_passthrough: error while " + "reading data from TPM"); } } else if (ret < sizeof(struct tpm_resp_hdr) || tpm_cmd_get_size(out) != ret) { ret = -1; - error_report("tpm_passthrough: received invalid response " - "packet from TPM"); + error_setg_errno(errp, errno, "tpm_passthrough: received invalid " + "response packet from TPM"); } if (is_selftest && (ret >= sizeof(struct tpm_resp_hdr))) { @@ -131,18 +130,18 @@ err_exit: } tpm_pt->tpm_executing = false; - - return ret; } -static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) +static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd, + Error **errp) { TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb); DPRINTF("tpm_passthrough: processing command %p\n", cmd); tpm_passthrough_unix_tx_bufs(tpm_pt, cmd->in, cmd->in_len, - cmd->out, cmd->out_len, &cmd->selftest_done); + cmd->out, cmd->out_len, &cmd->selftest_done, + errp); } static void tpm_passthrough_reset(TPMBackend *tb) diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c index 8b5eb01a2c..08f41d2707 100644 --- a/hw/tpm/tpm_tis.c +++ b/hw/tpm/tpm_tis.c @@ -393,7 +393,7 @@ static void tpm_tis_prep_abort(TPMState *s, uint8_t locty, uint8_t newlocty) /* * Callback from the TPM to indicate that the response was received. */ -static void tpm_tis_request_completed(TPMIf *ti) +static void tpm_tis_request_completed(TPMIf *ti, int ret) { TPMState *s = TPM(ti); uint8_t locty = s->cmd.locty; @@ -405,6 +405,7 @@ static void tpm_tis_request_completed(TPMIf *ti) } } + /* FIXME: report error if ret != 0 */ tpm_tis_sts_set(&s->loc[locty], TPM_TIS_STS_VALID | TPM_TIS_STS_DATA_AVAILABLE); s->loc[locty].state = TPM_TIS_STATE_COMPLETION; |