struct gbm_device *
_gbm_create_device(int fd)
{
const struct gbm_backend *backend = NULL;
struct gbm_device *dev = NULL;
int i;
const char *b;
b = getenv("GBM_BACKEND");
if (b)
backend = load_backend(b);
if (backend)
dev = backend->create_device(fd);
for (i = 0; i < ARRAY_SIZE(backends) && dev == NULL; ++i) {
backend = load_backend(backends[i]);
if (backend == NULL)
continue;
fprintf(stderr, "loaded module: %s\n", backends[i]);
dev = backend->create_device(fd);
}
return dev;
}
int objstore_init(void)
{
int ret;
vol_cache = umem_cache_create("vol", sizeof(struct objstore_vol),
0, NULL, NULL, NULL, NULL, NULL, 0);
if (!vol_cache)
return ENOMEM;
ret = vg_init();
if (ret)
goto err;
ret = load_backend(&mem_backend, "mem");
if (ret)
goto err;
backend = &mem_backend;
return 0;
err:
umem_cache_destroy(vol_cache);
return ret;
}
FFTF_SET_BACKEND_RESULT fftf_set_backend(FFTFBackendId id) {
if (id == FFTF_BACKEND_NONE) {
FFTFCurrentBackendId = FFTF_BACKEND_NONE;
return fftf_current_backend();
}
FFTF_BACKEND_ID_CHECK(id);
if (FFTFBackends[id].path != NULL) {
FFTFCurrentBackendId = id;
return FFTF_SET_BACKEND_SUCCESS;
}
int result = load_backend(&FFTFBackends[id], 0);
if (result == FFTF_SET_BACKEND_SUCCESS) {
FFTFCurrentBackendId = id;
}
return result;
}
