From patchwork Fri Oct 28 08:33:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gonglei (Arei)" X-Patchwork-Id: 9401553 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 37CFB60588 for ; Fri, 28 Oct 2016 08:38:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2B07A2A654 for ; Fri, 28 Oct 2016 08:38:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1FD5C2A656; Fri, 28 Oct 2016 08:38:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B777F2A654 for ; Fri, 28 Oct 2016 08:38:51 +0000 (UTC) Received: from localhost ([::1]:47462 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c02gc-0005L3-W9 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 28 Oct 2016 04:38:51 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35784) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c02cx-0002my-3u for qemu-devel@nongnu.org; Fri, 28 Oct 2016 04:35:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c02cw-0005EW-1r for qemu-devel@nongnu.org; Fri, 28 Oct 2016 04:35:03 -0400 Received: from [119.145.14.65] (port=41266 helo=szxga02-in.huawei.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c02cv-00058s-FA for qemu-devel@nongnu.org; Fri, 28 Oct 2016 04:35:01 -0400 Received: from 172.24.1.60 (EHLO szxeml427-hub.china.huawei.com) ([172.24.1.60]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DPT56480; Fri, 28 Oct 2016 16:33:54 +0800 (CST) Received: from localhost (10.177.18.62) by szxeml427-hub.china.huawei.com (10.82.67.182) with Microsoft SMTP Server id 14.3.235.1; Fri, 28 Oct 2016 16:33:43 +0800 From: Gonglei To: , Date: Fri, 28 Oct 2016 16:33:26 +0800 Message-ID: <1477643611-78548-8-git-send-email-arei.gonglei@huawei.com> X-Mailer: git-send-email 2.8.2.windows.1 In-Reply-To: <1477643611-78548-1-git-send-email-arei.gonglei@huawei.com> References: <1477643611-78548-1-git-send-email-arei.gonglei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.18.62] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 119.145.14.65 Subject: [Qemu-devel] [PATCH v10 07/12] virtio-crypto: set capacity of algorithms supported 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: xuquan8@huawei.com, weidong.huang@huawei.com, claudio.fontana@huawei.com, mst@redhat.com, xin.zeng@intel.com, hanweidong@huawei.com, luonengjun@huawei.com, agraf@suse.de, nmorey@kalray.eu, mike.caraman@nxp.com, Gonglei , stefanha@redhat.com, jianjay.zhou@huawei.com, pbonzini@redhat.com, peter.huangpeng@huawei.com, vincent.jardin@6wind.com, wu.wubin@huawei.com, arei.gonglei@hotmail.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Expose the capacity of algorithms supported by virtio crypto device to the frontend driver using pci configuration space. Signed-off-by: Gonglei --- hw/virtio/virtio-crypto.c | 43 +++++++++++++++++++++++++++++++++++++++ include/hw/virtio/virtio-crypto.h | 18 ++++++++++++++++ 2 files changed, 61 insertions(+) diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c index 109a504..4ded704 100644 --- a/hw/virtio/virtio-crypto.c +++ b/hw/virtio/virtio-crypto.c @@ -42,6 +42,27 @@ static void virtio_crypto_reset(VirtIODevice *vdev) } } +static void virtio_crypto_init_config(VirtIODevice *vdev) +{ + VirtIOCrypto *vcrypto = VIRTIO_CRYPTO(vdev); + + vcrypto->conf.crypto_services = + vcrypto->conf.cryptodev->conf.crypto_services; + vcrypto->conf.cipher_algo_l = + vcrypto->conf.cryptodev->conf.cipher_algo_l; + vcrypto->conf.cipher_algo_h = + vcrypto->conf.cryptodev->conf.cipher_algo_h; + vcrypto->conf.hash_algo = vcrypto->conf.cryptodev->conf.hash_algo; + vcrypto->conf.mac_algo_l = vcrypto->conf.cryptodev->conf.mac_algo_l; + vcrypto->conf.mac_algo_h = vcrypto->conf.cryptodev->conf.mac_algo_h; + vcrypto->conf.aead_algo = vcrypto->conf.cryptodev->conf.aead_algo; + vcrypto->conf.max_cipher_key_len = + vcrypto->conf.cryptodev->conf.max_cipher_key_len; + vcrypto->conf.max_auth_key_len = + vcrypto->conf.cryptodev->conf.max_auth_key_len; + vcrypto->conf.max_size = vcrypto->conf.cryptodev->conf.max_size; +} + static void virtio_crypto_device_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev = VIRTIO_DEVICE(dev); @@ -75,6 +96,8 @@ static void virtio_crypto_device_realize(DeviceState *dev, Error **errp) } else { vcrypto->status |= VIRTIO_CRYPTO_S_HW_READY; } + + virtio_crypto_init_config(vdev); } static void virtio_crypto_device_unrealize(DeviceState *dev, Error **errp) @@ -100,7 +123,27 @@ static Property virtio_crypto_properties[] = { static void virtio_crypto_get_config(VirtIODevice *vdev, uint8_t *config) { + VirtIOCrypto *c = VIRTIO_CRYPTO(vdev); + struct virtio_crypto_config crypto_cfg; + /* + * Virtio-crypto device conforms to VIRTIO 1.0 which is always LE, + * so we can use LE accessors directly. + */ + stl_le_p(&crypto_cfg.status, c->status); + stl_le_p(&crypto_cfg.max_dataqueues, c->max_queues); + stl_le_p(&crypto_cfg.crypto_services, c->conf.crypto_services); + stl_le_p(&crypto_cfg.cipher_algo_l, c->conf.cipher_algo_l); + stl_le_p(&crypto_cfg.cipher_algo_h, c->conf.cipher_algo_h); + stl_le_p(&crypto_cfg.hash_algo, c->conf.hash_algo); + stl_le_p(&crypto_cfg.mac_algo_l, c->conf.mac_algo_l); + stl_le_p(&crypto_cfg.mac_algo_h, c->conf.mac_algo_h); + stl_le_p(&crypto_cfg.aead_algo, c->conf.aead_algo); + stl_le_p(&crypto_cfg.max_cipher_key_len, c->conf.max_cipher_key_len); + stl_le_p(&crypto_cfg.max_auth_key_len, c->conf.max_auth_key_len); + stq_le_p(&crypto_cfg.max_size, c->conf.max_size); + + memcpy(config, &crypto_cfg, c->config_size); } static void virtio_crypto_class_init(ObjectClass *klass, void *data) diff --git a/include/hw/virtio/virtio-crypto.h b/include/hw/virtio/virtio-crypto.h index 4652c21..783ea23 100644 --- a/include/hw/virtio/virtio-crypto.h +++ b/include/hw/virtio/virtio-crypto.h @@ -39,6 +39,24 @@ do { \ typedef struct VirtIOCryptoConf { CryptoDevBackend *cryptodev; + + /* Supported service mask */ + uint32_t crypto_services; + + /* Detailed algorithms mask */ + uint32_t cipher_algo_l; + uint32_t cipher_algo_h; + uint32_t hash_algo; + uint32_t mac_algo_l; + uint32_t mac_algo_h; + uint32_t aead_algo; + + /* Maximum length of cipher key */ + uint32_t max_cipher_key_len; + /* Maximum length of authenticated key */ + uint32_t max_auth_key_len; + /* Maximum size of each crypto request's content */ + uint64_t max_size; } VirtIOCryptoConf; struct VirtIOCrypto;