From patchwork Mon Aug 14 15:21:16 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gilad Ben-Yossef X-Patchwork-Id: 110047 Delivered-To: patch@linaro.org Received: by 10.140.95.78 with SMTP id h72csp4485647qge; Mon, 14 Aug 2017 08:30:20 -0700 (PDT) X-Received: by 10.98.220.218 with SMTP id c87mr25676849pfl.192.1502724619904; Mon, 14 Aug 2017 08:30:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1502724619; cv=none; d=google.com; s=arc-20160816; b=pXwR3BAt5nYiZpFR1GKgP5nkgBZx9oMhX4XX/HNEP03Z9iP3ZYB0JyB6s+4xkX0iNc 2Lm+Pdr9aklqPF/NWFzA5S92KGMGTrx5c13pyc58cJ24f2lgJpqmEsnwdWOGIy4rVEQn 0v1MJYN6AUZ/gDXFxokBh92i2WSYtcQAHq7h+IDscDV+E9pV0owoSt/nX+htF7F9IcWO Xk8qvy34NpTip1ura4aFpJKU9HHOIx4fqOx4mwdCgqS+fqcQOwckgmMuzJfCeDIxDJWw qrv8EfGin0Mmxa+fnztHIv9SpPyKxCU9OkTXz+yIkpKMIeNNgOlBZoAoq6nzhBfPkyeL 5xgg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=eu7/vJ8BN4FUn9Fjphf8rCOdf9cbvq9BZ/bgbLgnR3s=; b=ydR9eWyw6s2dz6qzGTby7u/66qhWEXVkYD1OUqFstcNtYxPQFtRH/okBxLdodNd+KK CM+Kawabv+iYxyduVXN+21SlxfFVWgluaxPYWBRIAkQ94d1uGjQVmmLqdhrTUI2/d887 /tD8cQeTNjIi3pYRbQ8bc9mZ/XHLcCezUKwixhML4adFfoEgUGzekCUuQbCvYvrBGPzF wlGM6Y71AHTYzQPawp/EvXBPAQ91h0PI/lxrb1oy/NUOnco4Mf6YBwRJWyupqnOrIGh/ pK7f2dEIOsnepqTTHyBixd7pCERjWebnWzSso6InkWRj0gEgUapzWVFbYdoNrvgqjSZc ju8A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 67si4732612pla.983.2017.08.14.08.30.19; Mon, 14 Aug 2017 08:30:19 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753281AbdHNPaQ (ORCPT + 25 others); Mon, 14 Aug 2017 11:30:16 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:39820 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753177AbdHNPXH (ORCPT ); Mon, 14 Aug 2017 11:23:07 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8E44C165C; Mon, 14 Aug 2017 08:23:06 -0700 (PDT) Received: from gby.kfn.arm.com (unknown [10.45.48.148]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id F2D333F483; Mon, 14 Aug 2017 08:22:57 -0700 (PDT) From: Gilad Ben-Yossef To: Herbert Xu , "David S. Miller" , Jonathan Corbet , David Howells , Tom Lendacky , Gary Hook , Boris Brezillon , Arnaud Ebalard , Matthias Brugger , Alasdair Kergon , Mike Snitzer , dm-devel@redhat.com, Shaohua Li , Steve French , "Theodore Y. Ts'o" , Jaegeuk Kim , Mimi Zohar , Dmitry Kasatkin , James Morris , "Serge E. Hallyn" , linux-crypto@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, keyrings@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-raid@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-fscrypt@vger.kernel.org, linux-ima-devel@lists.sourceforge.net, linux-ima-user@lists.sourceforge.net, linux-security-module@vger.kernel.org Cc: Ofir Drang Subject: [PATCH v5 06/19] crypto: move algif to generic async completion Date: Mon, 14 Aug 2017 18:21:16 +0300 Message-Id: <1502724094-23305-7-git-send-email-gilad@benyossef.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1502724094-23305-1-git-send-email-gilad@benyossef.com> References: <1502724094-23305-1-git-send-email-gilad@benyossef.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org algif starts several async crypto ops and waits for their completion. Move it over to generic code doing the same. Signed-off-by: Gilad Ben-Yossef --- crypto/af_alg.c | 27 --------------------------- crypto/algif_aead.c | 8 ++++---- crypto/algif_hash.c | 30 ++++++++++++++---------------- crypto/algif_skcipher.c | 9 ++++----- include/crypto/if_alg.h | 15 +-------------- 5 files changed, 23 insertions(+), 66 deletions(-) -- 2.1.4 diff --git a/crypto/af_alg.c b/crypto/af_alg.c index d6936c0..f8917e7 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -481,33 +481,6 @@ int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con) } EXPORT_SYMBOL_GPL(af_alg_cmsg_send); -int af_alg_wait_for_completion(int err, struct af_alg_completion *completion) -{ - switch (err) { - case -EINPROGRESS: - case -EBUSY: - wait_for_completion(&completion->completion); - reinit_completion(&completion->completion); - err = completion->err; - break; - }; - - return err; -} -EXPORT_SYMBOL_GPL(af_alg_wait_for_completion); - -void af_alg_complete(struct crypto_async_request *req, int err) -{ - struct af_alg_completion *completion = req->data; - - if (err == -EINPROGRESS) - return; - - completion->err = err; - complete(&completion->completion); -} -EXPORT_SYMBOL_GPL(af_alg_complete); - /** * af_alg_alloc_tsgl - allocate the TX SGL * diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index 48d46e7..abbac8a 100644 --- a/crypto/algif_aead.c +++ b/crypto/algif_aead.c @@ -278,11 +278,11 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, /* Synchronous operation */ aead_request_set_callback(&areq->cra_u.aead_req, CRYPTO_TFM_REQ_MAY_BACKLOG, - af_alg_complete, &ctx->completion); - err = af_alg_wait_for_completion(ctx->enc ? + crypto_req_done, &ctx->wait); + err = crypto_wait_req(ctx->enc ? crypto_aead_encrypt(&areq->cra_u.aead_req) : crypto_aead_decrypt(&areq->cra_u.aead_req), - &ctx->completion); + &ctx->wait); } /* AIO operation in progress */ @@ -554,7 +554,7 @@ static int aead_accept_parent_nokey(void *private, struct sock *sk) ctx->merge = 0; ctx->enc = 0; ctx->aead_assoclen = 0; - af_alg_init_completion(&ctx->completion); + crypto_init_wait(&ctx->wait); ask->private = ctx; diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 3b3c154..d2ab8de 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -26,7 +26,7 @@ struct hash_ctx { u8 *result; - struct af_alg_completion completion; + struct crypto_wait wait; unsigned int len; bool more; @@ -102,8 +102,7 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, if ((msg->msg_flags & MSG_MORE)) hash_free_result(sk, ctx); - err = af_alg_wait_for_completion(crypto_ahash_init(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_init(&ctx->req), &ctx->wait); if (err) goto unlock; } @@ -124,8 +123,8 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, ahash_request_set_crypt(&ctx->req, ctx->sgl.sg, NULL, len); - err = af_alg_wait_for_completion(crypto_ahash_update(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_update(&ctx->req), + &ctx->wait); af_alg_free_sg(&ctx->sgl); if (err) goto unlock; @@ -143,8 +142,8 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, goto unlock; ahash_request_set_crypt(&ctx->req, NULL, ctx->result, 0); - err = af_alg_wait_for_completion(crypto_ahash_final(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_final(&ctx->req), + &ctx->wait); } unlock: @@ -185,7 +184,7 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page, } else { if (!ctx->more) { err = crypto_ahash_init(&ctx->req); - err = af_alg_wait_for_completion(err, &ctx->completion); + err = crypto_wait_req(err, &ctx->wait); if (err) goto unlock; } @@ -193,7 +192,7 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page, err = crypto_ahash_update(&ctx->req); } - err = af_alg_wait_for_completion(err, &ctx->completion); + err = crypto_wait_req(err, &ctx->wait); if (err) goto unlock; @@ -229,17 +228,16 @@ static int hash_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, ahash_request_set_crypt(&ctx->req, NULL, ctx->result, 0); if (!result && !ctx->more) { - err = af_alg_wait_for_completion( - crypto_ahash_init(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_init(&ctx->req), + &ctx->wait); if (err) goto unlock; } if (!result || ctx->more) { ctx->more = 0; - err = af_alg_wait_for_completion(crypto_ahash_final(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_final(&ctx->req), + &ctx->wait); if (err) goto unlock; } @@ -490,13 +488,13 @@ static int hash_accept_parent_nokey(void *private, struct sock *sk) ctx->result = NULL; ctx->len = len; ctx->more = 0; - af_alg_init_completion(&ctx->completion); + crypto_init_wait(&ctx->wait); ask->private = ctx; ahash_request_set_tfm(&ctx->req, hash); ahash_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG, - af_alg_complete, &ctx->completion); + crypto_req_done, &ctx->wait); sk->sk_destruct = hash_sock_destruct; diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 8ae4170..9954b07 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -129,12 +129,11 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, skcipher_request_set_callback(&areq->cra_u.skcipher_req, CRYPTO_TFM_REQ_MAY_SLEEP | CRYPTO_TFM_REQ_MAY_BACKLOG, - af_alg_complete, - &ctx->completion); - err = af_alg_wait_for_completion(ctx->enc ? + crypto_req_done, &ctx->wait); + err = crypto_wait_req(ctx->enc ? crypto_skcipher_encrypt(&areq->cra_u.skcipher_req) : crypto_skcipher_decrypt(&areq->cra_u.skcipher_req), - &ctx->completion); + &ctx->wait); } /* AIO operation in progress */ @@ -388,7 +387,7 @@ static int skcipher_accept_parent_nokey(void *private, struct sock *sk) ctx->more = 0; ctx->merge = 0; ctx->enc = 0; - af_alg_init_completion(&ctx->completion); + crypto_init_wait(&ctx->wait); ask->private = ctx; diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h index 75ec9c6..6abf0a3 100644 --- a/include/crypto/if_alg.h +++ b/include/crypto/if_alg.h @@ -40,11 +40,6 @@ struct alg_sock { void *private; }; -struct af_alg_completion { - struct completion completion; - int err; -}; - struct af_alg_control { struct af_alg_iv *iv; int op; @@ -152,7 +147,7 @@ struct af_alg_ctx { void *iv; size_t aead_assoclen; - struct af_alg_completion completion; + struct crypto_wait wait; size_t used; size_t rcvused; @@ -177,19 +172,11 @@ void af_alg_link_sg(struct af_alg_sgl *sgl_prev, struct af_alg_sgl *sgl_new); int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con); -int af_alg_wait_for_completion(int err, struct af_alg_completion *completion); -void af_alg_complete(struct crypto_async_request *req, int err); - static inline struct alg_sock *alg_sk(struct sock *sk) { return (struct alg_sock *)sk; } -static inline void af_alg_init_completion(struct af_alg_completion *completion) -{ - init_completion(&completion->completion); -} - /** * Size of available buffer for sending data from user space to kernel. *