From patchwork Mon May 8 11:38:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gonglei (Arei)" X-Patchwork-Id: 759604 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3wM0wN0M5zz9s7f for ; Mon, 8 May 2017 21:42:12 +1000 (AEST) Received: from localhost ([::1]:58925 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d7h3J-0004p5-Gb for incoming@patchwork.ozlabs.org; Mon, 08 May 2017 07:42:09 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50777) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d7h0e-00035h-6E for qemu-devel@nongnu.org; Mon, 08 May 2017 07:39:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d7h0Z-0004YG-HC for qemu-devel@nongnu.org; Mon, 08 May 2017 07:39:24 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:3983) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1d7h0Y-0004XT-LT for qemu-devel@nongnu.org; Mon, 08 May 2017 07:39:19 -0400 Received: from 172.30.72.53 (EHLO DGGEML402-HUB.china.huawei.com) ([172.30.72.53]) by dggrg01-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id AOD07417; Mon, 08 May 2017 19:38:50 +0800 (CST) Received: from localhost (10.177.18.62) by DGGEML402-HUB.china.huawei.com (10.3.17.38) with Microsoft SMTP Server id 14.3.301.0; Mon, 8 May 2017 19:38:36 +0800 From: Gonglei To: Date: Mon, 8 May 2017 19:38:17 +0800 Message-ID: <1494243504-127980-3-git-send-email-arei.gonglei@huawei.com> X-Mailer: git-send-email 2.8.2.windows.1 In-Reply-To: <1494243504-127980-1-git-send-email-arei.gonglei@huawei.com> References: <1494243504-127980-1-git-send-email-arei.gonglei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.18.62] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090205.591058CB.00A6, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 51f76c2f82d45befed7b5208969020dc X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy] X-Received-From: 45.249.212.187 Subject: [Qemu-devel] [RFC v1 2/9] cryptodev: extract one util function X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pasic@linux.vnet.ibm.com, weidong.huang@huawei.com, mst@redhat.com, xin.zeng@intel.com, luonengjun@huawei.com, linqiangmin@huawei.com, Gonglei , stefanha@redhat.com, cornelia.huck@de.ibm.com, wu.wubin@huawei.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" So that the new function can be used by both seesion creation and the following stateless crypto operation. Signed-off-by: Gonglei --- backends/cryptodev-builtin.c | 100 +++++++++++++++++++++++++------------------ 1 file changed, 58 insertions(+), 42 deletions(-) diff --git a/backends/cryptodev-builtin.c b/backends/cryptodev-builtin.c index 1fa2cab..abc2655 100644 --- a/backends/cryptodev-builtin.c +++ b/backends/cryptodev-builtin.c @@ -151,73 +151,56 @@ err: return -1; } -static int cryptodev_builtin_create_cipher_session( - CryptoDevBackendBuiltin *builtin, +static int +cryptodev_builtin_get_cipher_alg_mode( CryptoDevBackendSymSessionInfo *sess_info, + int *algo, int *mode, Error **errp) { - int algo; - int mode; - QCryptoCipher *cipher; - int index; - CryptoDevBackendBuiltinSession *sess; - - if (sess_info->op_type != VIRTIO_CRYPTO_SYM_OP_CIPHER) { - error_setg(errp, "Unsupported optype :%u", sess_info->op_type); - return -1; - } - - index = cryptodev_builtin_get_unused_session_index(builtin); - if (index < 0) { - error_setg(errp, "Total number of sessions created exceeds %u", - MAX_NUM_SESSIONS); - return -1; - } - switch (sess_info->cipher_alg) { case VIRTIO_CRYPTO_CIPHER_AES_ECB: - mode = QCRYPTO_CIPHER_MODE_ECB; - algo = cryptodev_builtin_get_aes_algo(sess_info->key_len, - mode, errp); - if (algo < 0) { + *mode = QCRYPTO_CIPHER_MODE_ECB; + *algo = cryptodev_builtin_get_aes_algo(sess_info->key_len, + *mode, errp); + if (*algo < 0) { return -1; } break; case VIRTIO_CRYPTO_CIPHER_AES_CBC: - mode = QCRYPTO_CIPHER_MODE_CBC; - algo = cryptodev_builtin_get_aes_algo(sess_info->key_len, - mode, errp); - if (algo < 0) { + *mode = QCRYPTO_CIPHER_MODE_CBC; + *algo = cryptodev_builtin_get_aes_algo(sess_info->key_len, + *mode, errp); + if (*algo < 0) { return -1; } break; case VIRTIO_CRYPTO_CIPHER_AES_CTR: - mode = QCRYPTO_CIPHER_MODE_CTR; - algo = cryptodev_builtin_get_aes_algo(sess_info->key_len, - mode, errp); - if (algo < 0) { + *mode = QCRYPTO_CIPHER_MODE_CTR; + *algo = cryptodev_builtin_get_aes_algo(sess_info->key_len, + *mode, errp); + if (*algo < 0) { return -1; } break; case VIRTIO_CRYPTO_CIPHER_AES_XTS: - mode = QCRYPTO_CIPHER_MODE_XTS; - algo = cryptodev_builtin_get_aes_algo(sess_info->key_len, - mode, errp); - if (algo < 0) { + *mode = QCRYPTO_CIPHER_MODE_XTS; + *algo = cryptodev_builtin_get_aes_algo(sess_info->key_len, + *mode, errp); + if (*algo < 0) { return -1; } break; case VIRTIO_CRYPTO_CIPHER_3DES_ECB: - mode = QCRYPTO_CIPHER_MODE_ECB; - algo = QCRYPTO_CIPHER_ALG_3DES; + *mode = QCRYPTO_CIPHER_MODE_ECB; + *algo = QCRYPTO_CIPHER_ALG_3DES; break; case VIRTIO_CRYPTO_CIPHER_3DES_CBC: - mode = QCRYPTO_CIPHER_MODE_CBC; - algo = QCRYPTO_CIPHER_ALG_3DES; + *mode = QCRYPTO_CIPHER_MODE_CBC; + *algo = QCRYPTO_CIPHER_ALG_3DES; break; case VIRTIO_CRYPTO_CIPHER_3DES_CTR: - mode = QCRYPTO_CIPHER_MODE_CTR; - algo = QCRYPTO_CIPHER_ALG_3DES; + *mode = QCRYPTO_CIPHER_MODE_CTR; + *algo = QCRYPTO_CIPHER_ALG_3DES; break; default: error_setg(errp, "Unsupported cipher alg :%u", @@ -225,6 +208,39 @@ static int cryptodev_builtin_create_cipher_session( return -1; } + return 0; +} + +static int cryptodev_builtin_create_cipher_session( + CryptoDevBackendBuiltin *builtin, + CryptoDevBackendSymSessionInfo *sess_info, + Error **errp) +{ + int algo; + int mode; + QCryptoCipher *cipher; + int index; + CryptoDevBackendBuiltinSession *sess; + int ret; + + if (sess_info->op_type != VIRTIO_CRYPTO_SYM_OP_CIPHER) { + error_setg(errp, "Unsupported optype :%u", sess_info->op_type); + return -1; + } + + index = cryptodev_builtin_get_unused_session_index(builtin); + if (index < 0) { + error_setg(errp, "Total number of sessions created exceeds %u", + MAX_NUM_SESSIONS); + return -1; + } + + ret = cryptodev_builtin_get_cipher_alg_mode(sess_info, + &algo, &mode, errp); + if (ret < 0) { + return -1; + } + cipher = qcrypto_cipher_new(algo, mode, sess_info->cipher_key, sess_info->key_len,