diff options
Diffstat (limited to 'tpm.c')
| -rw-r--r-- | tpm.c | 45 |
1 files changed, 13 insertions, 32 deletions
@@ -14,6 +14,7 @@ #include "qemu/osdep.h" #include "qapi/qmp/qerror.h" +#include "qapi/util.h" #include "sysemu/tpm_backend.h" #include "sysemu/tpm.h" #include "qemu/config-file.h" @@ -25,11 +26,8 @@ static QLIST_HEAD(, TPMBackend) tpm_backends = #define TPM_MAX_MODELS 1 -#define TPM_MAX_DRIVERS 1 -static TPMDriverOps const *be_drivers[TPM_MAX_DRIVERS] = { - NULL, -}; +static TPMDriverOps const *be_drivers[TPM_TYPE__MAX]; static enum TpmModel tpm_models[TPM_MAX_MODELS] = { TPM_MODEL__MAX, @@ -63,31 +61,18 @@ static bool tpm_model_is_registered(enum TpmModel model) const TPMDriverOps *tpm_get_backend_driver(const char *type) { - int i; - - 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]; - } - } + int i = qapi_enum_parse(TpmType_lookup, type, -1, NULL); - return NULL; + return i >= 0 ? be_drivers[i] : NULL; } #ifdef CONFIG_TPM -int tpm_register_driver(const TPMDriverOps *tdo) +void tpm_register_driver(const TPMDriverOps *tdo) { - int i; + assert(!be_drivers[tdo->type]); - 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; + be_drivers[tdo->type] = tdo; } /* @@ -100,9 +85,12 @@ static void tpm_display_backend_drivers(void) fprintf(stderr, "Supported TPM types (choose only one):\n"); - for (i = 0; i < TPM_MAX_DRIVERS && be_drivers[i] != NULL; i++) { + for (i = 0; i < TPM_TYPE__MAX; i++) { + if (be_drivers[i] == NULL) { + continue; + } fprintf(stderr, "%12s %s\n", - TpmType_lookup[be_drivers[i]->type], be_drivers[i]->desc()); + TpmType_lookup[i], be_drivers[i]->desc()); } fprintf(stderr, "\n"); } @@ -239,14 +227,7 @@ int tpm_config_parse(QemuOptsList *opts_list, const char *optarg) 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; + return be_drivers[type]; } static TPMInfo *qmp_query_tpm_inst(TPMBackend *drv) |