ceph/src/seastar/dpdk/drivers/crypto/virtio/virtio_cryptodev.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 HUAWEI TECHNOLOGIES CO., LTD.
   3  */
   4
   5 #ifndef _VIRTIO_CRYPTODEV_H_
   6 #define _VIRTIO_CRYPTODEV_H_
   7
   8 #include "virtio_crypto.h"
   9 #include "virtio_pci.h"
  10 #include "virtio_ring.h"
  11
  12 /* Features desired/implemented by this driver. */
  13 #define VIRTIO_CRYPTO_PMD_GUEST_FEATURES (1ULL << VIRTIO_F_VERSION_1)
  14
  15 #define CRYPTODEV_NAME_VIRTIO_PMD crypto_virtio
  16
  17 #define NUM_ENTRY_VIRTIO_CRYPTO_OP 7
  18
  19 #define VIRTIO_CRYPTO_MAX_IV_SIZE 16
  20
  21 extern uint8_t cryptodev_virtio_driver_id;
  22
  23 enum virtio_crypto_cmd_id {
  24         VIRTIO_CRYPTO_CMD_CIPHER = 0,
  25         VIRTIO_CRYPTO_CMD_AUTH = 1,
  26         VIRTIO_CRYPTO_CMD_CIPHER_HASH = 2,
  27         VIRTIO_CRYPTO_CMD_HASH_CIPHER = 3
  28 };
  29
  30 struct virtio_crypto_op_cookie {
  31         struct virtio_crypto_op_data_req data_req;
  32         struct virtio_crypto_inhdr inhdr;
  33         struct vring_desc desc[NUM_ENTRY_VIRTIO_CRYPTO_OP];
  34         uint8_t iv[VIRTIO_CRYPTO_MAX_IV_SIZE];
  35 };
  36
  37 /*
  38  * Control queue function prototype
  39  */
  40 void virtio_crypto_ctrlq_start(struct rte_cryptodev *dev);
  41
  42 /*
  43  * Data queue function prototype
  44  */
  45 void virtio_crypto_dataq_start(struct rte_cryptodev *dev);
  46
  47 int virtio_crypto_queue_setup(struct rte_cryptodev *dev,
  48                 int queue_type,
  49                 uint16_t vtpci_queue_idx,
  50                 uint16_t nb_desc,
  51                 int socket_id,
  52                 struct virtqueue **pvq);
  53
  54 void virtio_crypto_queue_release(struct virtqueue *vq);
  55
  56 uint16_t virtio_crypto_pkt_tx_burst(void *tx_queue,
  57                 struct rte_crypto_op **tx_pkts,
  58                 uint16_t nb_pkts);
  59
  60 uint16_t virtio_crypto_pkt_rx_burst(void *tx_queue,
  61                 struct rte_crypto_op **tx_pkts,
  62                 uint16_t nb_pkts);
  63
  64 #endif /* _VIRTIO_CRYPTODEV_H_ */