diff options
Diffstat (limited to 'qemu/backends/tpm.c')
| -rw-r--r-- | qemu/backends/tpm.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/qemu/backends/tpm.c b/qemu/backends/tpm.c deleted file mode 100644 index 536f262bb..000000000 --- a/qemu/backends/tpm.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * QEMU TPM Backend - * - * Copyright IBM, Corp. 2013 - * - * Authors: - * Stefan Berger <stefanb@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - * Based on backends/rng.c by Anthony Liguori - */ - -#include "qemu/osdep.h" -#include "sysemu/tpm_backend.h" -#include "qapi/error.h" -#include "qapi/qmp/qerror.h" -#include "sysemu/tpm.h" -#include "qemu/thread.h" -#include "sysemu/tpm_backend_int.h" - -enum TpmType tpm_backend_get_type(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - return k->ops->type; -} - -const char *tpm_backend_get_desc(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - return k->ops->desc(); -} - -void tpm_backend_destroy(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - k->ops->destroy(s); -} - -int tpm_backend_init(TPMBackend *s, TPMState *state, - TPMRecvDataCB *datacb) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - return k->ops->init(s, state, datacb); -} - -int tpm_backend_startup_tpm(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - return k->ops->startup_tpm(s); -} - -bool tpm_backend_had_startup_error(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - return k->ops->had_startup_error(s); -} - -size_t tpm_backend_realloc_buffer(TPMBackend *s, TPMSizedBuffer *sb) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - return k->ops->realloc_buffer(sb); -} - -void tpm_backend_deliver_request(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - k->ops->deliver_request(s); -} - -void tpm_backend_reset(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - k->ops->reset(s); -} - -void tpm_backend_cancel_cmd(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - k->ops->cancel_cmd(s); -} - -bool tpm_backend_get_tpm_established_flag(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - return k->ops->get_tpm_established_flag(s); -} - -int tpm_backend_reset_tpm_established_flag(TPMBackend *s, uint8_t locty) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - return k->ops->reset_tpm_established_flag(s, locty); -} - -TPMVersion tpm_backend_get_tpm_version(TPMBackend *s) -{ - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - - return k->ops->get_tpm_version(s); -} - -static bool tpm_backend_prop_get_opened(Object *obj, Error **errp) -{ - TPMBackend *s = TPM_BACKEND(obj); - - return s->opened; -} - -void tpm_backend_open(TPMBackend *s, Error **errp) -{ - object_property_set_bool(OBJECT(s), true, "opened", errp); -} - -static void tpm_backend_prop_set_opened(Object *obj, bool value, Error **errp) -{ - TPMBackend *s = TPM_BACKEND(obj); - TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); - Error *local_err = NULL; - - if (value == s->opened) { - return; - } - - if (!value && s->opened) { - error_setg(errp, QERR_PERMISSION_DENIED); - return; - } - - if (k->opened) { - k->opened(s, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - } - - s->opened = true; -} - -static void tpm_backend_instance_init(Object *obj) -{ - object_property_add_bool(obj, "opened", - tpm_backend_prop_get_opened, - tpm_backend_prop_set_opened, - NULL); -} - -void tpm_backend_thread_deliver_request(TPMBackendThread *tbt) -{ - g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_PROCESS_CMD, NULL); -} - -void tpm_backend_thread_create(TPMBackendThread *tbt, - GFunc func, gpointer user_data) -{ - if (!tbt->pool) { - tbt->pool = g_thread_pool_new(func, user_data, 1, TRUE, NULL); - g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_INIT, NULL); - } -} - -void tpm_backend_thread_end(TPMBackendThread *tbt) -{ - if (tbt->pool) { - g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_END, NULL); - g_thread_pool_free(tbt->pool, FALSE, TRUE); - tbt->pool = NULL; - } -} - -static const TypeInfo tpm_backend_info = { - .name = TYPE_TPM_BACKEND, - .parent = TYPE_OBJECT, - .instance_size = sizeof(TPMBackend), - .instance_init = tpm_backend_instance_init, - .class_size = sizeof(TPMBackendClass), - .abstract = true, -}; - -static void register_types(void) -{ - type_register_static(&tpm_backend_info); -} - -type_init(register_types); |