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crypto/virtio: support AES-CBC

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The AES-CBC cipher only algorithm has been supported now.

Signed-off-by: Jay Zhou <jianjay.zhou@huawei.com>
Reviewed-by: Fan Zhang <roy.fan.zhang@intel.com>
This commit is contained in:
Jay Zhou 2018-04-17 17:23:23 +08:00 committed by Pablo de Lara
parent efd3ac6b01
commit 5889e1ff44
2 changed files with 41 additions and 0 deletions
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30
drivers/crypto/virtio/virtio_crypto_capabilities.h Normal file
View File

@ -0,0 +1,30 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 HUAWEI TECHNOLOGIES CO., LTD.
*/
#ifndef _VIRTIO_CRYPTO_CAPABILITIES_H_
#define _VIRTIO_CRYPTO_CAPABILITIES_H_
#define VIRTIO_SYM_CAPABILITIES \
{ /* AES CBC */ \
.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, \
{.sym = { \
.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER, \
{.cipher = { \
.algo = RTE_CRYPTO_CIPHER_AES_CBC, \
.block_size = 16, \
.key_size = { \
.min = 16, \
.max = 32, \
.increment = 8 \
}, \
.iv_size = { \
.min = 16, \
.max = 16, \
.increment = 0 \
} \
}, } \
}, } \
}
#endif /* _VIRTIO_CRYPTO_CAPABILITIES_H_ */

11
drivers/crypto/virtio/virtio_cryptodev.c
View File

@ -15,6 +15,7 @@
#include "virtio_cryptodev.h"
#include "virtqueue.h"
#include "virtio_crypto_algs.h"
#include "virtio_crypto_capabilities.h"
int virtio_crypto_logtype_init;
int virtio_crypto_logtype_session;
@ -58,6 +59,11 @@ static const struct rte_pci_id pci_id_virtio_crypto_map[] = {
{ .vendor_id = 0, /* sentinel */ },
};
static const struct rte_cryptodev_capabilities virtio_capabilities[] = {
VIRTIO_SYM_CAPABILITIES,
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
uint8_t cryptodev_virtio_driver_id;
#define NUM_ENTRY_SYM_CREATE_SESSION 4
@ -746,6 +752,7 @@ crypto_virtio_create(const char *name, struct rte_pci_device *pci_dev,
hw = cryptodev->data->dev_private;
hw->dev_id = cryptodev->data->dev_id;
hw->virtio_dev_capabilities = virtio_capabilities;
VIRTIO_CRYPTO_INIT_LOG_DBG("dev %d vendorID=0x%x deviceID=0x%x",
cryptodev->data->dev_id, pci_dev->id.vendor_id,
@ -1139,6 +1146,9 @@ virtio_crypto_sym_pad_cipher_param(
struct rte_crypto_cipher_xform *cipher_xform)
{
switch (cipher_xform->algo) {
case RTE_CRYPTO_CIPHER_AES_CBC:
para->algo = VIRTIO_CRYPTO_CIPHER_AES_CBC;
break;
default:
VIRTIO_CRYPTO_SESSION_LOG_ERR("Crypto: Unsupported "
"Cipher alg %u", cipher_xform->algo);
@ -1402,6 +1412,7 @@ virtio_crypto_dev_info_get(struct rte_cryptodev *dev,
info->max_nb_queue_pairs = hw->max_dataqueues;
info->sym.max_nb_sessions =
RTE_VIRTIO_CRYPTO_PMD_MAX_NB_SESSIONS;
info->capabilities = hw->virtio_dev_capabilities;
}
}