76 static void tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,  in tpm_passthrough_unix_tx_bufs()  argument
85     tpm_pt->tpm_op_canceled = false;  in tpm_passthrough_unix_tx_bufs()
86     tpm_pt->tpm_executing = true;  in tpm_passthrough_unix_tx_bufs()
91     ret = qemu_write_full(tpm_pt->tpm_fd, in, in_len);  in tpm_passthrough_unix_tx_bufs()
93         if (!tpm_pt->tpm_op_canceled || errno != ECANCELED) {  in tpm_passthrough_unix_tx_bufs()
100     tpm_pt->tpm_executing = false;  in tpm_passthrough_unix_tx_bufs()
102     ret = tpm_passthrough_unix_read(tpm_pt->tpm_fd, out, out_len);  in tpm_passthrough_unix_tx_bufs()
104         if (!tpm_pt->tpm_op_canceled || errno != ECANCELED) {  in tpm_passthrough_unix_tx_bufs()
124     tpm_pt->tpm_executing = false;  in tpm_passthrough_unix_tx_bufs()
130     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);  in tpm_passthrough_handle_request()  local
134     tpm_passthrough_unix_tx_bufs(tpm_pt, cmd->in, cmd->in_len,  in tpm_passthrough_handle_request()
160     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);  in tpm_passthrough_cancel_cmd()  local
169     if (tpm_pt->tpm_executing) {  in tpm_passthrough_cancel_cmd()
170         if (tpm_pt->cancel_fd >= 0) {  in tpm_passthrough_cancel_cmd()
171             tpm_pt->tpm_op_canceled = true;  in tpm_passthrough_cancel_cmd()
172             n = write(tpm_pt->cancel_fd, "-", 1);  in tpm_passthrough_cancel_cmd()
186     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);  in tpm_passthrough_get_tpm_version()  local
188     return tpm_pt->tpm_version;  in tpm_passthrough_get_tpm_version()
193     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);  in tpm_passthrough_get_buffer_size()  local
196     ret = tpm_util_get_buffer_size(tpm_pt->tpm_fd, tpm_pt->tpm_version,  in tpm_passthrough_get_buffer_size()
197                                    &tpm_pt->tpm_buffersize);  in tpm_passthrough_get_buffer_size()
199         tpm_pt->tpm_buffersize = 4096;  in tpm_passthrough_get_buffer_size()
201     return tpm_pt->tpm_buffersize;  in tpm_passthrough_get_buffer_size()
211 static int tpm_passthrough_open_sysfs_cancel(TPMPassthruState *tpm_pt)  in tpm_passthrough_open_sysfs_cancel()  argument
217     if (tpm_pt->options->cancel_path) {  in tpm_passthrough_open_sysfs_cancel()
218         fd = qemu_open_old(tpm_pt->options->cancel_path, O_WRONLY);  in tpm_passthrough_open_sysfs_cancel()
226     dev = strrchr(tpm_pt->tpm_dev, '/');  in tpm_passthrough_open_sysfs_cancel()
229                      tpm_pt->tpm_dev);  in tpm_passthrough_open_sysfs_cancel()
248         tpm_pt->options->cancel_path = g_strdup(path);  in tpm_passthrough_open_sysfs_cancel()
255 tpm_passthrough_handle_device_opts(TPMPassthruState *tpm_pt, QemuOpts *opts)  in tpm_passthrough_handle_device_opts()  argument
261         tpm_pt->options->cancel_path = g_strdup(value);  in tpm_passthrough_handle_device_opts()
266         tpm_pt->options->path = g_strdup(value);  in tpm_passthrough_handle_device_opts()
269     tpm_pt->tpm_dev = value ? value : TPM_PASSTHROUGH_DEFAULT_DEVICE;  in tpm_passthrough_handle_device_opts()
270     tpm_pt->tpm_fd = qemu_open_old(tpm_pt->tpm_dev, O_RDWR);  in tpm_passthrough_handle_device_opts()
271     if (tpm_pt->tpm_fd < 0) {  in tpm_passthrough_handle_device_opts()
273                      tpm_pt->tpm_dev, strerror(errno));  in tpm_passthrough_handle_device_opts()
277     if (tpm_util_test_tpmdev(tpm_pt->tpm_fd, &tpm_pt->tpm_version)) {  in tpm_passthrough_handle_device_opts()
279                      tpm_pt->tpm_dev);  in tpm_passthrough_handle_device_opts()
283     tpm_pt->cancel_fd = tpm_passthrough_open_sysfs_cancel(tpm_pt);  in tpm_passthrough_handle_device_opts()
284     if (tpm_pt->cancel_fd < 0) {  in tpm_passthrough_handle_device_opts()
305     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);  in tpm_passthrough_startup_tpm()  local
307     if (buffersize && buffersize < tpm_pt->tpm_buffersize) {  in tpm_passthrough_startup_tpm()
310                      buffersize, tpm_pt->tpm_buffersize);  in tpm_passthrough_startup_tpm()
345     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(obj);  in tpm_passthrough_inst_init()  local
347     tpm_pt->options = g_new0(TPMPassthroughOptions, 1);  in tpm_passthrough_inst_init()
348     tpm_pt->tpm_fd = -1;  in tpm_passthrough_inst_init()
349     tpm_pt->cancel_fd = -1;  in tpm_passthrough_inst_init()
354     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(obj);  in tpm_passthrough_inst_finalize()  local
358     if (tpm_pt->tpm_fd >= 0) {  in tpm_passthrough_inst_finalize()
359         qemu_close(tpm_pt->tpm_fd);  in tpm_passthrough_inst_finalize()
361     if (tpm_pt->cancel_fd >= 0) {  in tpm_passthrough_inst_finalize()
362         qemu_close(tpm_pt->cancel_fd);  in tpm_passthrough_inst_finalize()
364     qapi_free_TPMPassthroughOptions(tpm_pt->options);  in tpm_passthrough_inst_finalize()