*
* Based on net.c
*/
-#include "config-host.h"
+#include "qemu/osdep.h"
+
+#include "qapi/error.h"
+#include "qapi/qapi-commands-tpm.h"
#include "qapi/qmp/qerror.h"
#include "sysemu/tpm_backend.h"
#include "sysemu/tpm.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"
-#include "qmp-commands.h"
static QLIST_HEAD(, TPMBackend) tpm_backends =
QLIST_HEAD_INITIALIZER(tpm_backends);
-
-#define TPM_MAX_MODELS 1
-#define TPM_MAX_DRIVERS 1
-
-static TPMDriverOps const *be_drivers[TPM_MAX_DRIVERS] = {
- NULL,
-};
-
-static enum TpmModel tpm_models[TPM_MAX_MODELS] = {
- TPM_MODEL_MAX,
-};
-
-int tpm_register_model(enum TpmModel model)
+static const TPMBackendClass *
+tpm_be_find_by_type(enum TpmType type)
{
- int i;
-
- for (i = 0; i < TPM_MAX_MODELS; i++) {
- if (tpm_models[i] == TPM_MODEL_MAX) {
- tpm_models[i] = model;
- return 0;
- }
- }
- error_report("Could not register TPM model");
- return 1;
-}
-
-static bool tpm_model_is_registered(enum TpmModel model)
-{
- int i;
-
- for (i = 0; i < TPM_MAX_MODELS; i++) {
- if (tpm_models[i] == model) {
- return true;
- }
- }
- return false;
-}
+ ObjectClass *oc;
+ char *typename = g_strdup_printf("tpm-%s", TpmType_str(type));
-const TPMDriverOps *tpm_get_backend_driver(const char *type)
-{
- int i;
+ oc = object_class_by_name(typename);
+ g_free(typename);
- for (i = 0; i < TPM_MAX_DRIVERS && be_drivers[i] != NULL; i++) {
- if (!strcmp(TpmType_lookup[be_drivers[i]->type], type)) {
- return be_drivers[i];
- }
+ if (!object_class_dynamic_cast(oc, TYPE_TPM_BACKEND)) {
+ return NULL;
}
- return NULL;
-}
-
-#ifdef CONFIG_TPM
-
-int tpm_register_driver(const TPMDriverOps *tdo)
-{
- int i;
-
- for (i = 0; i < TPM_MAX_DRIVERS; i++) {
- if (!be_drivers[i]) {
- be_drivers[i] = tdo;
- return 0;
- }
- }
- error_report("Could not register TPM driver");
- return 1;
+ return TPM_BACKEND_CLASS(oc);
}
/*
fprintf(stderr, "Supported TPM types (choose only one):\n");
- for (i = 0; i < TPM_MAX_DRIVERS && be_drivers[i] != NULL; i++) {
- fprintf(stderr, "%12s %s\n",
- TpmType_lookup[be_drivers[i]->type], be_drivers[i]->desc());
+ for (i = 0; i < TPM_TYPE__MAX; i++) {
+ const TPMBackendClass *bc = tpm_be_find_by_type(i);
+ if (!bc) {
+ continue;
+ }
+ fprintf(stderr, "%12s %s\n", TpmType_str(i), bc->desc);
}
fprintf(stderr, "\n");
}
/*
* Find the TPM with the given Id
*/
-TPMBackend *qemu_find_tpm(const char *id)
+TPMBackend *qemu_find_tpm_be(const char *id)
{
TPMBackend *drv;
return NULL;
}
-static int configure_tpm(QemuOpts *opts)
+static int tpm_init_tpmdev(void *dummy, QemuOpts *opts, Error **errp)
{
const char *value;
const char *id;
- const TPMDriverOps *be;
+ const TPMBackendClass *be;
TPMBackend *drv;
Error *local_err = NULL;
+ int i;
if (!QLIST_EMPTY(&tpm_backends)) {
- error_report("Only one TPM is allowed.");
+ error_setg(errp, "Only one TPM is allowed.");
return 1;
}
id = qemu_opts_id(opts);
if (id == NULL) {
- error_report(QERR_MISSING_PARAMETER, "id");
+ error_setg(errp, QERR_MISSING_PARAMETER, "id");
return 1;
}
value = qemu_opt_get(opts, "type");
if (!value) {
- error_report(QERR_MISSING_PARAMETER, "type");
+ error_setg(errp, QERR_MISSING_PARAMETER, "type");
tpm_display_backend_drivers();
return 1;
}
- be = tpm_get_backend_driver(value);
+ i = qapi_enum_parse(&TpmType_lookup, value, -1, NULL);
+ be = i >= 0 ? tpm_be_find_by_type(i) : NULL;
if (be == NULL) {
- error_report(QERR_INVALID_PARAMETER_VALUE,
- "type", "a TPM backend type");
+ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "type",
+ "a TPM backend type");
tpm_display_backend_drivers();
return 1;
}
/* validate backend specific opts */
qemu_opts_validate(opts, be->opts, &local_err);
if (local_err) {
- error_report_err(local_err);
+ error_propagate(errp, local_err);
return 1;
}
- drv = be->create(opts, id);
+ drv = be->create(opts);
if (!drv) {
return 1;
}
- tpm_backend_open(drv, &local_err);
- if (local_err) {
- error_report_err(local_err);
- return 1;
- }
-
+ drv->id = g_strdup(id);
QLIST_INSERT_HEAD(&tpm_backends, drv, list);
return 0;
}
-static int tpm_init_tpmdev(void *dummy, QemuOpts *opts, Error **errp)
-{
- return configure_tpm(opts);
-}
-
/*
* Walk the list of TPM backend drivers that are in use and call their
* destroy function to have them cleaned up.
QLIST_FOREACH_SAFE(drv, &tpm_backends, list, next) {
QLIST_REMOVE(drv, list);
- tpm_backend_destroy(drv);
+ object_unref(OBJECT(drv));
}
}
* Initialize the TPM. Process the tpmdev command line options describing the
* TPM backend.
*/
-int tpm_init(void)
+void tpm_init(void)
{
- if (qemu_opts_foreach(qemu_find_opts("tpmdev"),
- tpm_init_tpmdev, NULL, NULL)) {
- return -1;
- }
-
- atexit(tpm_cleanup);
- return 0;
+ qemu_opts_foreach(qemu_find_opts("tpmdev"),
+ tpm_init_tpmdev, NULL, &error_fatal);
}
/*
return 0;
}
-#endif /* CONFIG_TPM */
-
-static const TPMDriverOps *tpm_driver_find_by_type(enum TpmType type)
-{
- int i;
-
- for (i = 0; i < TPM_MAX_DRIVERS && be_drivers[i] != NULL; i++) {
- if (be_drivers[i]->type == type) {
- return be_drivers[i];
- }
- }
- return NULL;
-}
-
-static TPMInfo *qmp_query_tpm_inst(TPMBackend *drv)
-{
- TPMInfo *res = g_new0(TPMInfo, 1);
- TPMPassthroughOptions *tpo;
-
- res->id = g_strdup(drv->id);
- res->model = drv->fe_model;
- res->options = g_new0(TpmTypeOptions, 1);
-
- switch (drv->ops->type) {
- case TPM_TYPE_PASSTHROUGH:
- res->options->type = TPM_TYPE_OPTIONS_KIND_PASSTHROUGH;
- tpo = g_new0(TPMPassthroughOptions, 1);
- res->options->u.passthrough = tpo;
- if (drv->path) {
- tpo->path = g_strdup(drv->path);
- tpo->has_path = true;
- }
- if (drv->cancel_path) {
- tpo->cancel_path = g_strdup(drv->cancel_path);
- tpo->has_cancel_path = true;
- }
- break;
- case TPM_TYPE_MAX:
- break;
- }
-
- return res;
-}
-
/*
- * Walk the list of active TPM backends and collect information about them
- * following the schema description in qapi-schema.json.
+ * Walk the list of active TPM backends and collect information about them.
*/
TPMInfoList *qmp_query_tpm(Error **errp)
{
TPMInfoList *info, *head = NULL, *cur_item = NULL;
QLIST_FOREACH(drv, &tpm_backends, list) {
- if (!tpm_model_is_registered(drv->fe_model)) {
+ if (!drv->tpmif) {
continue;
}
+
info = g_new0(TPMInfoList, 1);
- info->value = qmp_query_tpm_inst(drv);
+ info->value = tpm_backend_query_tpm(drv);
if (!cur_item) {
head = cur_item = info;
unsigned int i = 0;
TpmTypeList *head = NULL, *prev = NULL, *cur_item;
- for (i = 0; i < TPM_TYPE_MAX; i++) {
- if (!tpm_driver_find_by_type(i)) {
+ for (i = 0; i < TPM_TYPE__MAX; i++) {
+ if (!tpm_be_find_by_type(i)) {
continue;
}
cur_item = g_new0(TpmTypeList, 1);
return head;
}
-
TpmModelList *qmp_query_tpm_models(Error **errp)
{
- unsigned int i = 0;
TpmModelList *head = NULL, *prev = NULL, *cur_item;
+ GSList *e, *l = object_class_get_list(TYPE_TPM_IF, false);
+
+ for (e = l; e; e = e->next) {
+ TPMIfClass *c = TPM_IF_CLASS(e->data);
- for (i = 0; i < TPM_MODEL_MAX; i++) {
- if (!tpm_model_is_registered(i)) {
- continue;
- }
cur_item = g_new0(TpmModelList, 1);
- cur_item->value = i;
+ cur_item->value = c->model;
if (prev) {
prev->next = cur_item;
}
prev = cur_item;
}
+ g_slist_free(l);
return head;
}
projects / mirror_qemu.git / blobdiff