* Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
*/
+#include <rte_string_fns.h>
+#include <rte_bus_pci.h>
#include <rte_bus_vdev.h>
+#include <rte_common.h>
#include <rte_cryptodev.h>
-#include <rte_cryptodev_pmd.h>
+#include <cryptodev_pmd.h>
+#include <rte_pci.h>
+#include <rte_dev.h>
+#include <rte_malloc.h>
+#include "ccp_crypto.h"
+#include "ccp_dev.h"
+#include "ccp_pmd_private.h"
+
+/**
+ * Global static parameter used to find if CCP device is already initialized.
+ */
+static unsigned int ccp_pmd_init_done;
uint8_t ccp_cryptodev_driver_id;
+uint8_t cryptodev_cnt;
+extern void *sha_ctx;
+
+struct ccp_pmd_init_params {
+ struct rte_cryptodev_pmd_init_params def_p;
+ bool auth_opt;
+};
+
+#define CCP_CRYPTODEV_PARAM_NAME ("name")
+#define CCP_CRYPTODEV_PARAM_SOCKET_ID ("socket_id")
+#define CCP_CRYPTODEV_PARAM_MAX_NB_QP ("max_nb_queue_pairs")
+#define CCP_CRYPTODEV_PARAM_AUTH_OPT ("ccp_auth_opt")
+
+const char *ccp_pmd_valid_params[] = {
+ CCP_CRYPTODEV_PARAM_NAME,
+ CCP_CRYPTODEV_PARAM_SOCKET_ID,
+ CCP_CRYPTODEV_PARAM_MAX_NB_QP,
+ CCP_CRYPTODEV_PARAM_AUTH_OPT,
+};
+
+/** ccp pmd auth option */
+enum ccp_pmd_auth_opt {
+ CCP_PMD_AUTH_OPT_CCP = 0,
+ CCP_PMD_AUTH_OPT_CPU,
+};
+
+static struct ccp_session *
+get_ccp_session(struct ccp_qp *qp, struct rte_crypto_op *op)
+{
+ struct ccp_session *sess = NULL;
+
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+ if (unlikely(op->sym->session == NULL))
+ return NULL;
+
+ sess = (struct ccp_session *)
+ get_sym_session_private_data(
+ op->sym->session,
+ ccp_cryptodev_driver_id);
+ } else if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+ void *_sess;
+ void *_sess_private_data = NULL;
+ struct ccp_private *internals;
+
+ if (rte_mempool_get(qp->sess_mp, &_sess))
+ return NULL;
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
+ return NULL;
+
+ sess = (struct ccp_session *)_sess_private_data;
+
+ internals = (struct ccp_private *)qp->dev->data->dev_private;
+ if (unlikely(ccp_set_session_parameters(sess, op->sym->xform,
+ internals) != 0)) {
+ rte_mempool_put(qp->sess_mp, _sess);
+ rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
+ sess = NULL;
+ }
+ op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
+ set_sym_session_private_data(op->sym->session,
+ ccp_cryptodev_driver_id,
+ _sess_private_data);
+ }
+
+ return sess;
+}
+
+static uint16_t
+ccp_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ struct ccp_session *sess = NULL;
+ struct ccp_qp *qp = queue_pair;
+ struct ccp_queue *cmd_q;
+ struct rte_cryptodev *dev = qp->dev;
+ uint16_t i, enq_cnt = 0, slots_req = 0;
+ uint16_t tmp_ops = nb_ops, b_idx, cur_ops = 0;
+
+ if (nb_ops == 0)
+ return 0;
+
+ if (unlikely(rte_ring_full(qp->processed_pkts) != 0))
+ return 0;
+ if (tmp_ops >= cryptodev_cnt)
+ cur_ops = nb_ops / cryptodev_cnt + (nb_ops)%cryptodev_cnt;
+ else
+ cur_ops = tmp_ops;
+ while (tmp_ops) {
+ b_idx = nb_ops - tmp_ops;
+ slots_req = 0;
+ if (cur_ops <= tmp_ops) {
+ tmp_ops -= cur_ops;
+ } else {
+ cur_ops = tmp_ops;
+ tmp_ops = 0;
+ }
+ for (i = 0; i < cur_ops; i++) {
+ sess = get_ccp_session(qp, ops[i + b_idx]);
+ if (unlikely(sess == NULL) && (i == 0)) {
+ qp->qp_stats.enqueue_err_count++;
+ return 0;
+ } else if (sess == NULL) {
+ cur_ops = i;
+ break;
+ }
+ slots_req += ccp_compute_slot_count(sess);
+ }
+
+ cmd_q = ccp_allot_queue(dev, slots_req);
+ if (unlikely(cmd_q == NULL))
+ return 0;
+ enq_cnt += process_ops_to_enqueue(qp, ops, cmd_q, cur_ops,
+ nb_ops, slots_req, b_idx);
+ i++;
+ }
+
+ qp->qp_stats.enqueued_count += enq_cnt;
+ return enq_cnt;
+}
+
+static uint16_t
+ccp_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ struct ccp_qp *qp = queue_pair;
+ uint16_t nb_dequeued = 0, i, total_nb_ops;
+
+ nb_dequeued = process_ops_to_dequeue(qp, ops, nb_ops, &total_nb_ops);
+
+ if (total_nb_ops) {
+ while (nb_dequeued != total_nb_ops) {
+ nb_dequeued = process_ops_to_dequeue(qp,
+ ops, nb_ops, &total_nb_ops);
+ }
+ }
+
+ /* Free session if a session-less crypto op */
+ for (i = 0; i < nb_dequeued; i++)
+ if (unlikely(ops[i]->sess_type ==
+ RTE_CRYPTO_OP_SESSIONLESS)) {
+ struct ccp_session *sess = (struct ccp_session *)
+ get_sym_session_private_data(
+ ops[i]->sym->session,
+ ccp_cryptodev_driver_id);
+
+ rte_mempool_put(qp->sess_mp_priv,
+ sess);
+ rte_mempool_put(qp->sess_mp,
+ ops[i]->sym->session);
+ ops[i]->sym->session = NULL;
+ }
+ qp->qp_stats.dequeued_count += nb_dequeued;
+
+ return nb_dequeued;
+}
+
+/*
+ * The set of PCI devices this driver supports
+ */
+static struct rte_pci_id ccp_pci_id[] = {
+ {
+ RTE_PCI_DEVICE(0x1022, 0x1456), /* AMD CCP-5a */
+ },
+ {
+ RTE_PCI_DEVICE(0x1022, 0x1468), /* AMD CCP-5b */
+ },
+ {
+ RTE_PCI_DEVICE(0x1022, 0x15df), /* AMD CCP RV */
+ },
+ {.device_id = 0},
+};
/** Remove ccp pmd */
static int
-cryptodev_ccp_remove(struct rte_vdev_device *dev __rte_unused)
+cryptodev_ccp_remove(struct rte_pci_device *pci_dev)
+{
+ char name[RTE_CRYPTODEV_NAME_MAX_LEN];
+ struct rte_cryptodev *dev;
+
+ if (pci_dev == NULL)
+ return -EINVAL;
+
+ rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
+
+ if (name[0] == '\0')
+ return -EINVAL;
+
+ dev = rte_cryptodev_pmd_get_named_dev(name);
+ if (dev == NULL)
+ return -ENODEV;
+
+ ccp_pmd_init_done = 0;
+ rte_free(sha_ctx);
+
+ RTE_LOG(INFO, PMD, "Closing ccp device %s on numa socket %u\n",
+ name, rte_socket_id());
+
+ return rte_cryptodev_pmd_destroy(dev);
+}
+
+/** Create crypto device */
+static int
+cryptodev_ccp_create(const char *name,
+ struct rte_pci_device *pci_dev,
+ struct ccp_pmd_init_params *init_params,
+ struct rte_pci_driver *pci_drv)
{
+ struct rte_cryptodev *dev;
+ struct ccp_private *internals;
+
+ if (init_params->def_p.name[0] == '\0')
+ strlcpy(init_params->def_p.name, name,
+ sizeof(init_params->def_p.name));
+
+ dev = rte_cryptodev_pmd_create(init_params->def_p.name,
+ &pci_dev->device,
+ &init_params->def_p);
+ if (dev == NULL) {
+ CCP_LOG_ERR("failed to create cryptodev vdev");
+ goto init_error;
+ }
+
+ cryptodev_cnt = ccp_probe_devices(pci_dev, ccp_pci_id);
+
+ if (cryptodev_cnt == 0) {
+ CCP_LOG_ERR("failed to detect CCP crypto device");
+ goto init_error;
+ }
+
+ printf("CCP : Crypto device count = %d\n", cryptodev_cnt);
+ dev->device = &pci_dev->device;
+ dev->device->driver = &pci_drv->driver;
+ dev->driver_id = ccp_cryptodev_driver_id;
+
+ /* register rx/tx burst functions for data path */
+ dev->dev_ops = ccp_pmd_ops;
+ dev->enqueue_burst = ccp_pmd_enqueue_burst;
+ dev->dequeue_burst = ccp_pmd_dequeue_burst;
+
+ dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+ RTE_CRYPTODEV_FF_HW_ACCELERATED |
+ RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+ RTE_CRYPTODEV_FF_SYM_SESSIONLESS;
+
+ internals = dev->data->dev_private;
+
+ internals->max_nb_qpairs = init_params->def_p.max_nb_queue_pairs;
+ internals->auth_opt = init_params->auth_opt;
+ internals->crypto_num_dev = cryptodev_cnt;
+
+ rte_cryptodev_pmd_probing_finish(dev);
+
return 0;
+
+init_error:
+ CCP_LOG_ERR("driver %s: %s() failed",
+ init_params->def_p.name, __func__);
+ cryptodev_ccp_remove(pci_dev);
+
+ return -EFAULT;
}
/** Probe ccp pmd */
static int
-cryptodev_ccp_probe(struct rte_vdev_device *vdev __rte_unused)
+cryptodev_ccp_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *pci_dev)
{
+ int rc = 0;
+ char name[RTE_CRYPTODEV_NAME_MAX_LEN];
+ struct ccp_pmd_init_params init_params = {
+ .def_p = {
+ "",
+ sizeof(struct ccp_private),
+ rte_socket_id(),
+ CCP_PMD_MAX_QUEUE_PAIRS
+ },
+ .auth_opt = CCP_PMD_AUTH_OPT_CCP,
+ };
+
+ sha_ctx = (void *)rte_malloc(NULL, SHA512_DIGEST_SIZE, 64);
+ if (ccp_pmd_init_done) {
+ RTE_LOG(INFO, PMD, "CCP PMD already initialized\n");
+ return -EFAULT;
+ }
+ rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
+ if (name[0] == '\0')
+ return -EINVAL;
+
+ init_params.def_p.max_nb_queue_pairs = CCP_PMD_MAX_QUEUE_PAIRS;
+
+ RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
+ init_params.def_p.socket_id);
+ RTE_LOG(INFO, PMD, "Max number of queue pairs = %d\n",
+ init_params.def_p.max_nb_queue_pairs);
+ RTE_LOG(INFO, PMD, "Authentication offload to %s\n",
+ ((init_params.auth_opt == 0) ? "CCP" : "CPU"));
+
+ rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
+
+ rc = cryptodev_ccp_create(name, pci_dev, &init_params, pci_drv);
+ if (rc)
+ return rc;
+ ccp_pmd_init_done = 1;
return 0;
}
-static struct rte_vdev_driver cryptodev_ccp_pmd_drv = {
+static struct rte_pci_driver cryptodev_ccp_pmd_drv = {
+ .id_table = ccp_pci_id,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
.probe = cryptodev_ccp_probe,
.remove = cryptodev_ccp_remove
};
static struct cryptodev_driver ccp_crypto_drv;
-RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_CCP_PMD, cryptodev_ccp_pmd_drv);
+RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_CCP_PMD, cryptodev_ccp_pmd_drv);
+RTE_PMD_REGISTER_KMOD_DEP(CRYPTODEV_NAME_CCP_PMD, "* igb_uio | uio_pci_generic | vfio-pci");
RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_CCP_PMD,
- "max_nb_queue_pairs=<int> max_nb_sessions=<int> socket_id=<int>");
+ "max_nb_queue_pairs=<int> "
+ "socket_id=<int> "
+ "ccp_auth_opt=<int>");
RTE_PMD_REGISTER_CRYPTO_DRIVER(ccp_crypto_drv, cryptodev_ccp_pmd_drv.driver,
ccp_cryptodev_driver_id);