Function crypto_init

freebsd/opencrypto/crypto.c:319–385

}

static int
crypto_init(void)
{
	struct crypto_ret_worker *ret_worker;
	int error;

	mtx_init(&crypto_drivers_mtx, "crypto", "crypto driver table",
		MTX_DEF|MTX_QUIET);

	TAILQ_INIT(&crp_q);
	TAILQ_INIT(&crp_kq);
	mtx_init(&crypto_q_mtx, "crypto", "crypto op queues", MTX_DEF);

	cryptop_zone = uma_zcreate("cryptop",
	    sizeof(struct cryptop), NULL, NULL, NULL, NULL,
	    UMA_ALIGN_PTR, UMA_ZONE_ZINIT);

	crypto_drivers_size = CRYPTO_DRIVERS_INITIAL;
	crypto_drivers = malloc(crypto_drivers_size *
	    sizeof(struct cryptocap), M_CRYPTO_DATA, M_WAITOK | M_ZERO);

	if (crypto_workers_num < 1 || crypto_workers_num > mp_ncpus)
		crypto_workers_num = mp_ncpus;

	crypto_tq = taskqueue_create("crypto", M_WAITOK | M_ZERO,
	    taskqueue_thread_enqueue, &crypto_tq);

	taskqueue_start_threads(&crypto_tq, crypto_workers_num, PRI_MIN_KERN,
	    "crypto");

	error = kproc_create((void (*)(void *)) crypto_proc, NULL,
		    &cryptoproc, 0, 0, "crypto");
	if (error) {
		printf("crypto_init: cannot start crypto thread; error %d",
			error);
		goto bad;
	}

	crypto_ret_workers = mallocarray(crypto_workers_num,
	    sizeof(struct crypto_ret_worker), M_CRYPTO_DATA, M_WAITOK | M_ZERO);

	FOREACH_CRYPTO_RETW(ret_worker) {
		TAILQ_INIT(&ret_worker->crp_ordered_ret_q);
		TAILQ_INIT(&ret_worker->crp_ret_q);
		TAILQ_INIT(&ret_worker->crp_ret_kq);

		ret_worker->reorder_ops = 0;
		ret_worker->reorder_cur_seq = 0;

		mtx_init(&ret_worker->crypto_ret_mtx, "crypto", "crypto return queues", MTX_DEF);

		error = kproc_create((void (*)(void *)) crypto_ret_proc, ret_worker,
				&ret_worker->cryptoretproc, 0, 0, "crypto returns %td", CRYPTO_RETW_ID(ret_worker));
		if (error) {
			printf("crypto_init: cannot start cryptoret thread; error %d",
				error);
			goto bad;
		}