51 	struct chainiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);  in chainiv_givencrypt()  local
64 	spin_lock_bh(&ctx->lock);  in chainiv_givencrypt()
68 	memcpy(req->giv, ctx->iv, ivsize);  in chainiv_givencrypt()
69 	memcpy(subreq->info, ctx->iv, ivsize);  in chainiv_givencrypt()
75 	memcpy(ctx->iv, subreq->info, ivsize);  in chainiv_givencrypt()
78 	spin_unlock_bh(&ctx->lock);  in chainiv_givencrypt()
86 	struct chainiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);  in chainiv_givencrypt_first()  local
89 	spin_lock_bh(&ctx->lock);  in chainiv_givencrypt_first()
95 	err = crypto_rng_get_bytes(crypto_default_rng, ctx->iv,  in chainiv_givencrypt_first()
99 	spin_unlock_bh(&ctx->lock);  in chainiv_givencrypt_first()
116 	struct chainiv_ctx *ctx = crypto_tfm_ctx(tfm);  in chainiv_init()  local
118 	spin_lock_init(&ctx->lock);  in chainiv_init()
123 static int async_chainiv_schedule_work(struct async_chainiv_ctx *ctx)  in async_chainiv_schedule_work()  argument
126 	int err = ctx->err;  in async_chainiv_schedule_work()
128 	if (!ctx->queue.qlen) {  in async_chainiv_schedule_work()
130 		clear_bit(CHAINIV_STATE_INUSE, &ctx->state);  in async_chainiv_schedule_work()
132 		if (!ctx->queue.qlen ||  in async_chainiv_schedule_work()
133 		    test_and_set_bit(CHAINIV_STATE_INUSE, &ctx->state))  in async_chainiv_schedule_work()
137 	queued = queue_work(kcrypto_wq, &ctx->postponed);  in async_chainiv_schedule_work()
147 	struct async_chainiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);  in async_chainiv_postpone_request()  local
150 	spin_lock_bh(&ctx->lock);  in async_chainiv_postpone_request()
151 	err = skcipher_enqueue_givcrypt(&ctx->queue, req);  in async_chainiv_postpone_request()
152 	spin_unlock_bh(&ctx->lock);  in async_chainiv_postpone_request()
154 	if (test_and_set_bit(CHAINIV_STATE_INUSE, &ctx->state))  in async_chainiv_postpone_request()
157 	ctx->err = err;  in async_chainiv_postpone_request()
158 	return async_chainiv_schedule_work(ctx);  in async_chainiv_postpone_request()
164 	struct async_chainiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);  in async_chainiv_givencrypt_tail()  local
168 	memcpy(req->giv, ctx->iv, ivsize);  in async_chainiv_givencrypt_tail()
169 	memcpy(subreq->info, ctx->iv, ivsize);  in async_chainiv_givencrypt_tail()
171 	ctx->err = crypto_ablkcipher_encrypt(subreq);  in async_chainiv_givencrypt_tail()
172 	if (ctx->err)  in async_chainiv_givencrypt_tail()
175 	memcpy(ctx->iv, subreq->info, ivsize);  in async_chainiv_givencrypt_tail()
178 	return async_chainiv_schedule_work(ctx);  in async_chainiv_givencrypt_tail()
184 	struct async_chainiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);  in async_chainiv_givencrypt()  local
194 	if (test_and_set_bit(CHAINIV_STATE_INUSE, &ctx->state))  in async_chainiv_givencrypt()
197 	if (ctx->queue.qlen) {  in async_chainiv_givencrypt()
198 		clear_bit(CHAINIV_STATE_INUSE, &ctx->state);  in async_chainiv_givencrypt()
211 	struct async_chainiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);  in async_chainiv_givencrypt_first()  local
214 	if (test_and_set_bit(CHAINIV_STATE_INUSE, &ctx->state))  in async_chainiv_givencrypt_first()
222 	err = crypto_rng_get_bytes(crypto_default_rng, ctx->iv,  in async_chainiv_givencrypt_first()
226 	clear_bit(CHAINIV_STATE_INUSE, &ctx->state);  in async_chainiv_givencrypt_first()
237 	struct async_chainiv_ctx *ctx = container_of(work,  in async_chainiv_do_postponed()  local
245 	spin_lock_bh(&ctx->lock);  in async_chainiv_do_postponed()
246 	req = skcipher_dequeue_givcrypt(&ctx->queue);  in async_chainiv_do_postponed()
247 	spin_unlock_bh(&ctx->lock);  in async_chainiv_do_postponed()
250 		async_chainiv_schedule_work(ctx);  in async_chainiv_do_postponed()
266 	struct async_chainiv_ctx *ctx = crypto_tfm_ctx(tfm);  in async_chainiv_init()  local
268 	spin_lock_init(&ctx->lock);  in async_chainiv_init()
270 	crypto_init_queue(&ctx->queue, 100);  in async_chainiv_init()
271 	INIT_WORK(&ctx->postponed, async_chainiv_do_postponed);  in async_chainiv_init()
278 	struct async_chainiv_ctx *ctx = crypto_tfm_ctx(tfm);  in async_chainiv_exit()  local
280 	BUG_ON(test_bit(CHAINIV_STATE_INUSE, &ctx->state) || ctx->queue.qlen);  in async_chainiv_exit()