133 int crypto_hash_walk_first(struct ahash_request *req,  in crypto_hash_walk_first()  argument
136 	walk->total = req->nbytes;  in crypto_hash_walk_first()
143 	walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req));  in crypto_hash_walk_first()
144 	walk->sg = req->src;  in crypto_hash_walk_first()
145 	walk->flags = req->base.flags & CRYPTO_TFM_REQ_MASK;  in crypto_hash_walk_first()
151 int crypto_ahash_walk_first(struct ahash_request *req,  in crypto_ahash_walk_first()  argument
154 	walk->total = req->nbytes;  in crypto_ahash_walk_first()
161 	walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req));  in crypto_ahash_walk_first()
162 	walk->sg = req->src;  in crypto_ahash_walk_first()
163 	walk->flags = req->base.flags & CRYPTO_TFM_REQ_MASK;  in crypto_ahash_walk_first()
223 static int ahash_save_req(struct ahash_request *req, crypto_completion_t cplt)  in ahash_save_req()  argument
225 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);  in ahash_save_req()
231 		       (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?  in ahash_save_req()
261 	priv->result = req->result;  in ahash_save_req()
262 	priv->complete = req->base.complete;  in ahash_save_req()
263 	priv->data = req->base.data;  in ahash_save_req()
264 	priv->flags = req->base.flags;  in ahash_save_req()
272 	req->result = PTR_ALIGN((u8 *)priv->ubuf, alignmask + 1);  in ahash_save_req()
273 	req->base.complete = cplt;  in ahash_save_req()
274 	req->base.data = req;  in ahash_save_req()
275 	req->priv = priv;  in ahash_save_req()
280 static void ahash_restore_req(struct ahash_request *req, int err)  in ahash_restore_req()  argument
282 	struct ahash_request_priv *priv = req->priv;  in ahash_restore_req()
285 		memcpy(priv->result, req->result,  in ahash_restore_req()
286 		       crypto_ahash_digestsize(crypto_ahash_reqtfm(req)));  in ahash_restore_req()
289 	req->result = priv->result;  in ahash_restore_req()
291 	ahash_request_set_callback(req, priv->flags,  in ahash_restore_req()
293 	req->priv = NULL;  in ahash_restore_req()
299 static void ahash_notify_einprogress(struct ahash_request *req)  in ahash_notify_einprogress()  argument
301 	struct ahash_request_priv *priv = req->priv;  in ahash_notify_einprogress()
309 static void ahash_op_unaligned_done(struct crypto_async_request *req, int err)  in ahash_op_unaligned_done()  argument
311 	struct ahash_request *areq = req->data;  in ahash_op_unaligned_done()
334 static int ahash_op_unaligned(struct ahash_request *req,  in ahash_op_unaligned()  argument
339 	err = ahash_save_req(req, ahash_op_unaligned_done);  in ahash_op_unaligned()
343 	err = op(req);  in ahash_op_unaligned()
345 	    (err == -EBUSY && (ahash_request_flags(req) &  in ahash_op_unaligned()
349 	ahash_restore_req(req, err);  in ahash_op_unaligned()
354 static int crypto_ahash_op(struct ahash_request *req,  in crypto_ahash_op()  argument
357 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);  in crypto_ahash_op()
360 	if ((unsigned long)req->result & alignmask)  in crypto_ahash_op()
361 		return ahash_op_unaligned(req, op);  in crypto_ahash_op()
363 	return op(req);  in crypto_ahash_op()
366 int crypto_ahash_final(struct ahash_request *req)  in crypto_ahash_final()  argument
368 	return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->final);  in crypto_ahash_final()
372 int crypto_ahash_finup(struct ahash_request *req)  in crypto_ahash_finup()  argument
374 	return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->finup);  in crypto_ahash_finup()
378 int crypto_ahash_digest(struct ahash_request *req)  in crypto_ahash_digest()  argument
380 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);  in crypto_ahash_digest()
385 	return crypto_ahash_op(req, tfm->digest);  in crypto_ahash_digest()
389 static void ahash_def_finup_done2(struct crypto_async_request *req, int err)  in ahash_def_finup_done2()  argument
391 	struct ahash_request *areq = req->data;  in ahash_def_finup_done2()
401 static int ahash_def_finup_finish1(struct ahash_request *req, int err)  in ahash_def_finup_finish1()  argument
406 	req->base.complete = ahash_def_finup_done2;  in ahash_def_finup_finish1()
408 	err = crypto_ahash_reqtfm(req)->final(req);  in ahash_def_finup_finish1()
410 	    (err == -EBUSY && (ahash_request_flags(req) &  in ahash_def_finup_finish1()
415 	ahash_restore_req(req, err);  in ahash_def_finup_finish1()
419 static void ahash_def_finup_done1(struct crypto_async_request *req, int err)  in ahash_def_finup_done1()  argument
421 	struct ahash_request *areq = req->data;  in ahash_def_finup_done1()
437 static int ahash_def_finup(struct ahash_request *req)  in ahash_def_finup()  argument
439 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);  in ahash_def_finup()
442 	err = ahash_save_req(req, ahash_def_finup_done1);  in ahash_def_finup()
446 	err = tfm->update(req);  in ahash_def_finup()
448 	    (err == -EBUSY && (ahash_request_flags(req) &  in ahash_def_finup()
452 	return ahash_def_finup_finish1(req, err);  in ahash_def_finup()
455 static int ahash_no_export(struct ahash_request *req, void *out)  in ahash_no_export()  argument
460 static int ahash_no_import(struct ahash_request *req, const void *in)  in ahash_no_import()  argument