crypto/virtio: support AES-CBC

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>

diff --git a/drivers/crypto/virtio/virtio_crypto_capabilities.h b/drivers/crypto/virtio/virtio_crypto_capabilities.h
new file mode 100644 (file)
index 0000000..db6932f
--- /dev/null
+++ b/drivers/crypto/virtio/virtio_crypto_capabilities.h
@@ -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_ */

diff --git a/drivers/crypto/virtio/virtio_cryptodev.c b/drivers/crypto/virtio/virtio_cryptodev.c
index 6f92e99..f924b04 100644 (file)
--- a/drivers/crypto/virtio/virtio_cryptodev.c
+++ b/drivers/crypto/virtio/virtio_cryptodev.c
@@ -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;
        }
 }