131 int crypto_hash_walk_first(struct ahash_request *req,  in crypto_hash_walk_first()  argument
134 	walk->total = req->nbytes;  in crypto_hash_walk_first()
141 	walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req));  in crypto_hash_walk_first()
142 	walk->sg = req->src;  in crypto_hash_walk_first()
143 	walk->flags = req->base.flags & CRYPTO_TFM_REQ_MASK;  in crypto_hash_walk_first()
149 int crypto_ahash_walk_first(struct ahash_request *req,  in crypto_ahash_walk_first()  argument
152 	walk->total = req->nbytes;  in crypto_ahash_walk_first()
159 	walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req));  in crypto_ahash_walk_first()
160 	walk->sg = req->src;  in crypto_ahash_walk_first()
161 	walk->flags = req->base.flags & CRYPTO_TFM_REQ_MASK;  in crypto_ahash_walk_first()
232 static int ahash_save_req(struct ahash_request *req, crypto_completion_t cplt)  in ahash_save_req()  argument
234 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);  in ahash_save_req()
240 		       (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?  in ahash_save_req()
270 	priv->result = req->result;  in ahash_save_req()
271 	priv->complete = req->base.complete;  in ahash_save_req()
272 	priv->data = req->base.data;  in ahash_save_req()
279 	req->result = PTR_ALIGN((u8 *)priv->ubuf, alignmask + 1);  in ahash_save_req()
280 	req->base.complete = cplt;  in ahash_save_req()
281 	req->base.data = req;  in ahash_save_req()
282 	req->priv = priv;  in ahash_save_req()
287 static void ahash_restore_req(struct ahash_request *req)  in ahash_restore_req()  argument
289 	struct ahash_request_priv *priv = req->priv;  in ahash_restore_req()
292 	req->result = priv->result;  in ahash_restore_req()
293 	req->base.complete = priv->complete;  in ahash_restore_req()
294 	req->base.data = priv->data;  in ahash_restore_req()
295 	req->priv = NULL;  in ahash_restore_req()
301 static void ahash_op_unaligned_finish(struct ahash_request *req, int err)  in ahash_op_unaligned_finish()  argument
303 	struct ahash_request_priv *priv = req->priv;  in ahash_op_unaligned_finish()
309 		memcpy(priv->result, req->result,  in ahash_op_unaligned_finish()
310 		       crypto_ahash_digestsize(crypto_ahash_reqtfm(req)));  in ahash_op_unaligned_finish()
312 	ahash_restore_req(req);  in ahash_op_unaligned_finish()
315 static void ahash_op_unaligned_done(struct crypto_async_request *req, int err)  in ahash_op_unaligned_done()  argument
317 	struct ahash_request *areq = req->data;  in ahash_op_unaligned_done()
335 static int ahash_op_unaligned(struct ahash_request *req,  in ahash_op_unaligned()  argument
340 	err = ahash_save_req(req, ahash_op_unaligned_done);  in ahash_op_unaligned()
344 	err = op(req);  in ahash_op_unaligned()
345 	ahash_op_unaligned_finish(req, err);  in ahash_op_unaligned()
350 static int crypto_ahash_op(struct ahash_request *req,  in crypto_ahash_op()  argument
353 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);  in crypto_ahash_op()
356 	if ((unsigned long)req->result & alignmask)  in crypto_ahash_op()
357 		return ahash_op_unaligned(req, op);  in crypto_ahash_op()
359 	return op(req);  in crypto_ahash_op()
362 int crypto_ahash_final(struct ahash_request *req)  in crypto_ahash_final()  argument
364 	return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->final);  in crypto_ahash_final()
368 int crypto_ahash_finup(struct ahash_request *req)  in crypto_ahash_finup()  argument
370 	return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->finup);  in crypto_ahash_finup()
374 int crypto_ahash_digest(struct ahash_request *req)  in crypto_ahash_digest()  argument
376 	return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->digest);  in crypto_ahash_digest()
380 static void ahash_def_finup_finish2(struct ahash_request *req, int err)  in ahash_def_finup_finish2()  argument
382 	struct ahash_request_priv *priv = req->priv;  in ahash_def_finup_finish2()
388 		memcpy(priv->result, req->result,  in ahash_def_finup_finish2()
389 		       crypto_ahash_digestsize(crypto_ahash_reqtfm(req)));  in ahash_def_finup_finish2()
391 	ahash_restore_req(req);  in ahash_def_finup_finish2()
394 static void ahash_def_finup_done2(struct crypto_async_request *req, int err)  in ahash_def_finup_done2()  argument
396 	struct ahash_request *areq = req->data;  in ahash_def_finup_done2()
403 static int ahash_def_finup_finish1(struct ahash_request *req, int err)  in ahash_def_finup_finish1()  argument
408 	req->base.complete = ahash_def_finup_done2;  in ahash_def_finup_finish1()
409 	req->base.flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;  in ahash_def_finup_finish1()
410 	err = crypto_ahash_reqtfm(req)->final(req);  in ahash_def_finup_finish1()
413 	ahash_def_finup_finish2(req, err);  in ahash_def_finup_finish1()
417 static void ahash_def_finup_done1(struct crypto_async_request *req, int err)  in ahash_def_finup_done1()  argument
419 	struct ahash_request *areq = req->data;  in ahash_def_finup_done1()
426 static int ahash_def_finup(struct ahash_request *req)  in ahash_def_finup()  argument
428 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);  in ahash_def_finup()
431 	err = ahash_save_req(req, ahash_def_finup_done1);  in ahash_def_finup()
435 	err = tfm->update(req);  in ahash_def_finup()
436 	return ahash_def_finup_finish1(req, err);  in ahash_def_finup()
439 static int ahash_no_export(struct ahash_request *req, void *out)  in ahash_no_export()  argument
444 static int ahash_no_import(struct ahash_request *req, const void *in)  in ahash_no_import()  argument