From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49781) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eBbLa-0006Gk-Dy for qemu-devel@nongnu.org; Mon, 06 Nov 2017 01:57:28 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eBbLV-0008Fb-Te for qemu-devel@nongnu.org; Mon, 06 Nov 2017 01:57:26 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:2329) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1eBbLV-00088u-AS for qemu-devel@nongnu.org; Mon, 06 Nov 2017 01:57:21 -0500 From: "Longpeng(Mike)" Date: Mon, 6 Nov 2017 14:56:58 +0800 Message-ID: <1509951422-20060-7-git-send-email-longpeng2@huawei.com> In-Reply-To: <1509951422-20060-1-git-send-email-longpeng2@huawei.com> References: <1509951422-20060-1-git-send-email-longpeng2@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [RFC 06/10] cryptodev: add stateless mode cipher support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: arei.gonglei@huawei.com, pasic@linux.vnet.ibm.com Cc: weidong.huang@huawei.com, wangxinxin.wang@huawei.com, jianjay.zhou@huawei.com, qemu-devel@nongnu.org, "Longpeng(Mike)" Adds stateless mode cipher support. Signed-off-by: Longpeng(Mike) --- backends/cryptodev.c | 21 +++++++++++++++++++++ include/hw/virtio/virtio-crypto.h | 1 + include/sysemu/cryptodev.h | 18 ++++++++++++++++++ 3 files changed, 40 insertions(+) diff --git a/backends/cryptodev.c b/backends/cryptodev.c index 67edfa5..e06ab12 100644 --- a/backends/cryptodev.c +++ b/backends/cryptodev.c @@ -120,6 +120,21 @@ static int cryptodev_backend_sym_operation( return -VIRTIO_CRYPTO_ERR; } +static int cryptodev_backend_sym_stateless_operation( + CryptoDevBackend *backend, + CryptoDevBackendSymStatelessInfo *op_info, + uint32_t queue_index, Error **errp) +{ + CryptoDevBackendClass *bc = + CRYPTODEV_BACKEND_GET_CLASS(backend); + + if (bc->do_sym_stateless_op) { + return bc->do_sym_stateless_op(backend, op_info, queue_index, errp); + } + + return -VIRTIO_CRYPTO_ERR; +} + int cryptodev_backend_crypto_operation( CryptoDevBackend *backend, void *opaque, @@ -133,6 +148,12 @@ int cryptodev_backend_crypto_operation( return cryptodev_backend_sym_operation(backend, op_info, queue_index, errp); + } else if (req->flags == CRYPTODEV_BACKEND_ALG_SYM_STATELESS) { + CryptoDevBackendSymStatelessInfo *op_info; + op_info = req->u.sym_stateless_info; + + return cryptodev_backend_sym_stateless_operation(backend, + op_info, queue_index, errp); } else { error_setg(errp, "Unsupported cryptodev alg type: %" PRIu32 "", req->flags); diff --git a/include/hw/virtio/virtio-crypto.h b/include/hw/virtio/virtio-crypto.h index a00a0bf..465ad20 100644 --- a/include/hw/virtio/virtio-crypto.h +++ b/include/hw/virtio/virtio-crypto.h @@ -73,6 +73,7 @@ typedef struct VirtIOCryptoReq { struct VirtIOCrypto *vcrypto; union { CryptoDevBackendSymOpInfo *sym_op_info; + CryptoDevBackendSymStatelessInfo *sym_stateless_info; } u; } VirtIOCryptoReq; diff --git a/include/sysemu/cryptodev.h b/include/sysemu/cryptodev.h index a9d0d1e..aa2fcd8 100644 --- a/include/sysemu/cryptodev.h +++ b/include/sysemu/cryptodev.h @@ -58,6 +58,7 @@ typedef struct CryptoDevBackend CryptoDevBackend; enum CryptoDevBackendAlgType { CRYPTODEV_BACKEND_ALG_SYM, + CRYPTODEV_BACKEND_ALG_SYM_STATELESS, CRYPTODEV_BACKEND_ALG__MAX, }; @@ -146,6 +147,20 @@ typedef struct CryptoDevBackendSymOpInfo { uint8_t data[0]; } CryptoDevBackendSymOpInfo; +/** + * CryptoDevBackendSymStatelessInfo: + * + * @session_info: session information, see above + * CryptoDevBackendSymSessionInfo + * @op_info: crypto operation information, see above + * CryptoDevBackendSymOpInfo, @session_id is ignored + * + **/ +typedef struct CryptoDevBackendSymStatelessInfo { + CryptoDevBackendSymSessionInfo session_info; + CryptoDevBackendSymOpInfo op_info; +} CryptoDevBackendSymStatelessInfo; + typedef struct CryptoDevBackendClass { ObjectClass parent_class; @@ -161,6 +176,9 @@ typedef struct CryptoDevBackendClass { int (*do_sym_op)(CryptoDevBackend *backend, CryptoDevBackendSymOpInfo *op_info, uint32_t queue_index, Error **errp); + int (*do_sym_stateless_op)(CryptoDevBackend *backend, + CryptoDevBackendSymStatelessInfo *op_info, + uint32_t queue_index, Error **errp); } CryptoDevBackendClass; -- 1.8.3.1