#include <rte_alarm.h>
#include <rte_bus_pci.h>
#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_errno.h>
#include <rte_malloc.h>
-
-#include "cpt_pmd_logs.h"
+#include <rte_mempool.h>
#include "otx_cryptodev.h"
+#include "otx_cryptodev_capabilities.h"
#include "otx_cryptodev_hw_access.h"
+#include "otx_cryptodev_mbox.h"
#include "otx_cryptodev_ops.h"
+#include "cpt_pmd_logs.h"
+#include "cpt_ucode.h"
+#include "cpt_ucode_asym.h"
+
+/* Forward declarations */
+
+static int
+otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id);
+
/* Alarm routines */
static void
otx_cpt_alarm_cb, arg);
}
+static int
+otx_cpt_periodic_alarm_stop(void *arg)
+{
+ return rte_eal_alarm_cancel(otx_cpt_alarm_cb, arg);
+}
+
+/* PMD ops */
+
+static int
+otx_cpt_dev_config(struct rte_cryptodev *dev __rte_unused,
+ struct rte_cryptodev_config *config __rte_unused)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+ return 0;
+}
+
+static int
+otx_cpt_dev_start(struct rte_cryptodev *c_dev)
+{
+ void *cptvf = c_dev->data->dev_private;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ return otx_cpt_start_device(cptvf);
+}
+
+static void
+otx_cpt_dev_stop(struct rte_cryptodev *c_dev)
+{
+ void *cptvf = c_dev->data->dev_private;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ otx_cpt_stop_device(cptvf);
+}
+
+static int
+otx_cpt_dev_close(struct rte_cryptodev *c_dev)
+{
+ void *cptvf = c_dev->data->dev_private;
+ int i, ret;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ for (i = 0; i < c_dev->data->nb_queue_pairs; i++) {
+ ret = otx_cpt_que_pair_release(c_dev, i);
+ if (ret)
+ return ret;
+ }
+
+ otx_cpt_periodic_alarm_stop(cptvf);
+ otx_cpt_deinit_device(cptvf);
+
+ return 0;
+}
+
+static void
+otx_cpt_dev_info_get(struct rte_cryptodev *dev, struct rte_cryptodev_info *info)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+ if (info != NULL) {
+ info->max_nb_queue_pairs = CPT_NUM_QS_PER_VF;
+ info->feature_flags = dev->feature_flags;
+ info->capabilities = otx_get_capabilities(info->feature_flags);
+ info->sym.max_nb_sessions = 0;
+ info->driver_id = otx_cryptodev_driver_id;
+ info->min_mbuf_headroom_req = OTX_CPT_MIN_HEADROOM_REQ;
+ info->min_mbuf_tailroom_req = OTX_CPT_MIN_TAILROOM_REQ;
+ }
+}
+
+static void
+otx_cpt_stats_get(struct rte_cryptodev *dev __rte_unused,
+ struct rte_cryptodev_stats *stats __rte_unused)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+}
+
+static void
+otx_cpt_stats_reset(struct rte_cryptodev *dev __rte_unused)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+}
+
+static int
+otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
+ uint16_t que_pair_id,
+ const struct rte_cryptodev_qp_conf *qp_conf,
+ int socket_id __rte_unused)
+{
+ struct cpt_instance *instance = NULL;
+ struct rte_pci_device *pci_dev;
+ int ret = -1;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ if (dev->data->queue_pairs[que_pair_id] != NULL) {
+ ret = otx_cpt_que_pair_release(dev, que_pair_id);
+ if (ret)
+ return ret;
+ }
+
+ if (qp_conf->nb_descriptors > DEFAULT_CMD_QLEN) {
+ CPT_LOG_INFO("Number of descriptors too big %d, using default "
+ "queue length of %d", qp_conf->nb_descriptors,
+ DEFAULT_CMD_QLEN);
+ }
+
+ pci_dev = RTE_DEV_TO_PCI(dev->device);
+
+ if (pci_dev->mem_resource[0].addr == NULL) {
+ CPT_LOG_ERR("PCI mem address null");
+ return -EIO;
+ }
+
+ ret = otx_cpt_get_resource(dev, 0, &instance, que_pair_id);
+ if (ret != 0 || instance == NULL) {
+ CPT_LOG_ERR("Error getting instance handle from device %s : "
+ "ret = %d", dev->data->name, ret);
+ return ret;
+ }
+
+ instance->queue_id = que_pair_id;
+ instance->sess_mp = qp_conf->mp_session;
+ instance->sess_mp_priv = qp_conf->mp_session_private;
+ dev->data->queue_pairs[que_pair_id] = instance;
+
+ return 0;
+}
+
+static int
+otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id)
+{
+ struct cpt_instance *instance = dev->data->queue_pairs[que_pair_id];
+ int ret;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ ret = otx_cpt_put_resource(instance);
+ if (ret != 0) {
+ CPT_LOG_ERR("Error putting instance handle of device %s : "
+ "ret = %d", dev->data->name, ret);
+ return ret;
+ }
+
+ dev->data->queue_pairs[que_pair_id] = NULL;
+
+ return 0;
+}
+
+static unsigned int
+otx_cpt_get_session_size(struct rte_cryptodev *dev __rte_unused)
+{
+ return cpt_get_session_size();
+}
+
+static void
+otx_cpt_session_init(void *sym_sess, uint8_t driver_id)
+{
+ struct rte_cryptodev_sym_session *sess = sym_sess;
+ struct cpt_sess_misc *cpt_sess =
+ (struct cpt_sess_misc *) get_sym_session_private_data(sess, driver_id);
+
+ CPT_PMD_INIT_FUNC_TRACE();
+ cpt_sess->ctx_dma_addr = rte_mempool_virt2iova(cpt_sess) +
+ sizeof(struct cpt_sess_misc);
+}
+
+static int
+otx_cpt_session_cfg(struct rte_cryptodev *dev,
+ struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *mempool)
+{
+ struct rte_crypto_sym_xform *chain;
+ void *sess_private_data = NULL;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ if (cpt_is_algo_supported(xform))
+ goto err;
+
+ if (unlikely(sess == NULL)) {
+ CPT_LOG_ERR("invalid session struct");
+ return -EINVAL;
+ }
+
+ if (rte_mempool_get(mempool, &sess_private_data)) {
+ CPT_LOG_ERR("Could not allocate sess_private_data");
+ return -ENOMEM;
+ }
+
+ chain = xform;
+ while (chain) {
+ switch (chain->type) {
+ case RTE_CRYPTO_SYM_XFORM_AEAD:
+ if (fill_sess_aead(chain, sess_private_data))
+ goto err;
+ break;
+ case RTE_CRYPTO_SYM_XFORM_CIPHER:
+ if (fill_sess_cipher(chain, sess_private_data))
+ goto err;
+ break;
+ case RTE_CRYPTO_SYM_XFORM_AUTH:
+ if (chain->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
+ if (fill_sess_gmac(chain, sess_private_data))
+ goto err;
+ } else {
+ if (fill_sess_auth(chain, sess_private_data))
+ goto err;
+ }
+ break;
+ default:
+ CPT_LOG_ERR("Invalid crypto xform type");
+ break;
+ }
+ chain = chain->next;
+ }
+ set_sym_session_private_data(sess, dev->driver_id, sess_private_data);
+ otx_cpt_session_init(sess, dev->driver_id);
+ return 0;
+
+err:
+ if (sess_private_data)
+ rte_mempool_put(mempool, sess_private_data);
+ return -EPERM;
+}
+
+static void
+otx_cpt_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_sym_session *sess)
+{
+ void *sess_priv = get_sym_session_private_data(sess, dev->driver_id);
+
+ CPT_PMD_INIT_FUNC_TRACE();
+ if (sess_priv) {
+ memset(sess_priv, 0, otx_cpt_get_session_size(dev));
+ struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
+ set_sym_session_private_data(sess, dev->driver_id, NULL);
+ rte_mempool_put(sess_mp, sess_priv);
+ }
+}
+
+static unsigned int
+otx_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused)
+{
+ return sizeof(struct cpt_asym_sess_misc);
+}
+
+static int
+otx_cpt_asym_session_cfg(struct rte_cryptodev *dev,
+ struct rte_crypto_asym_xform *xform __rte_unused,
+ struct rte_cryptodev_asym_session *sess,
+ struct rte_mempool *pool)
+{
+ struct cpt_asym_sess_misc *priv;
+ int ret;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ if (rte_mempool_get(pool, (void **)&priv)) {
+ CPT_LOG_ERR("Could not allocate session private data");
+ return -ENOMEM;
+ }
+
+ memset(priv, 0, sizeof(struct cpt_asym_sess_misc));
+
+ ret = cpt_fill_asym_session_parameters(priv, xform);
+ if (ret) {
+ CPT_LOG_ERR("Could not configure session parameters");
+
+ /* Return session to mempool */
+ rte_mempool_put(pool, priv);
+ return ret;
+ }
+
+ set_asym_session_private_data(sess, dev->driver_id, priv);
+ return 0;
+}
+
+static void
+otx_cpt_asym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_asym_session *sess)
+{
+ struct cpt_asym_sess_misc *priv;
+ struct rte_mempool *sess_mp;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ priv = get_asym_session_private_data(sess, dev->driver_id);
+
+ if (priv == NULL)
+ return;
+
+ /* Free resources allocated during session configure */
+ cpt_free_asym_session_parameters(priv);
+ memset(priv, 0, otx_cpt_asym_session_size_get(dev));
+ sess_mp = rte_mempool_from_obj(priv);
+ set_asym_session_private_data(sess, dev->driver_id, NULL);
+ rte_mempool_put(sess_mp, priv);
+}
+
+static __rte_always_inline int32_t __hot
+otx_cpt_request_enqueue(struct cpt_instance *instance,
+ struct pending_queue *pqueue,
+ void *req)
+{
+ struct cpt_request_info *user_req = (struct cpt_request_info *)req;
+
+ if (unlikely(pqueue->pending_count >= DEFAULT_CMD_QLEN))
+ return -EAGAIN;
+
+ fill_cpt_inst(instance, req);
+
+ CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op);
+
+ /* Fill time_out cycles */
+ user_req->time_out = rte_get_timer_cycles() +
+ DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
+ user_req->extra_time = 0;
+
+ /* Default mode of software queue */
+ mark_cpt_inst(instance);
+
+ pqueue->rid_queue[pqueue->enq_tail].rid = (uintptr_t)user_req;
+
+ /* We will use soft queue length here to limit requests */
+ MOD_INC(pqueue->enq_tail, DEFAULT_CMD_QLEN);
+ pqueue->pending_count += 1;
+
+ CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p "
+ "op: %p", user_req, user_req->op);
+ return 0;
+}
+
+static __rte_always_inline int __hot
+otx_cpt_enq_single_asym(struct cpt_instance *instance,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue)
+{
+ struct cpt_qp_meta_info *minfo = &instance->meta_info;
+ struct rte_crypto_asym_op *asym_op = op->asym;
+ struct asym_op_params params = {0};
+ struct cpt_asym_sess_misc *sess;
+ uintptr_t *cop;
+ void *mdata;
+ int ret;
+
+ if (unlikely(rte_mempool_get(minfo->pool, &mdata) < 0)) {
+ CPT_LOG_DP_ERR("Could not allocate meta buffer for request");
+ return -ENOMEM;
+ }
+
+ sess = get_asym_session_private_data(asym_op->session,
+ otx_cryptodev_driver_id);
+
+ /* Store phys_addr of the mdata to meta_buf */
+ params.meta_buf = rte_mempool_virt2iova(mdata);
+
+ cop = mdata;
+ cop[0] = (uintptr_t)mdata;
+ cop[1] = (uintptr_t)op;
+ cop[2] = cop[3] = 0ULL;
+
+ params.req = RTE_PTR_ADD(cop, 4 * sizeof(uintptr_t));
+ params.req->op = cop;
+
+ /* Adjust meta_buf by crypto_op data and request_info struct */
+ params.meta_buf += (4 * sizeof(uintptr_t)) +
+ sizeof(struct cpt_request_info);
+
+ switch (sess->xfrm_type) {
+ case RTE_CRYPTO_ASYM_XFORM_MODEX:
+ ret = cpt_modex_prep(¶ms, &sess->mod_ctx);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_RSA:
+ ret = cpt_enqueue_rsa_op(op, ¶ms, sess);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+ default:
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ ret = -EINVAL;
+ goto req_fail;
+ }
+
+ ret = otx_cpt_request_enqueue(instance, pqueue, params.req);
+
+ if (unlikely(ret)) {
+ CPT_LOG_DP_ERR("Could not enqueue crypto req");
+ goto req_fail;
+ }
+
+ return 0;
+
+req_fail:
+ free_op_meta(mdata, minfo->pool);
+
+ return ret;
+}
+
+static __rte_always_inline int __hot
+otx_cpt_enq_single_sym(struct cpt_instance *instance,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue)
+{
+ struct cpt_sess_misc *sess;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ void *prep_req, *mdata = NULL;
+ int ret = 0;
+ uint64_t cpt_op;
+
+ sess = (struct cpt_sess_misc *)
+ get_sym_session_private_data(sym_op->session,
+ otx_cryptodev_driver_id);
+
+ cpt_op = sess->cpt_op;
+
+ if (likely(cpt_op & CPT_OP_CIPHER_MASK))
+ ret = fill_fc_params(op, sess, &instance->meta_info, &mdata,
+ &prep_req);
+ else
+ ret = fill_digest_params(op, sess, &instance->meta_info,
+ &mdata, &prep_req);
+
+ if (unlikely(ret)) {
+ CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x "
+ "ret 0x%x", op, (unsigned int)cpt_op, ret);
+ return ret;
+ }
+
+ /* Enqueue prepared instruction to h/w */
+ ret = otx_cpt_request_enqueue(instance, pqueue, prep_req);
+
+ if (unlikely(ret)) {
+ /* Buffer allocated for request preparation need to be freed */
+ free_op_meta(mdata, instance->meta_info.pool);
+ return ret;
+ }
+
+ return 0;
+}
+
+static __rte_always_inline int __hot
+otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue)
+{
+ struct cpt_sess_misc *sess;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ int ret;
+ void *sess_t = NULL;
+ void *sess_private_data_t = NULL;
+
+ /* Create tmp session */
+
+ if (rte_mempool_get(instance->sess_mp, (void **)&sess_t)) {
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ if (rte_mempool_get(instance->sess_mp_priv,
+ (void **)&sess_private_data_t)) {
+ ret = -ENOMEM;
+ goto free_sess;
+ }
+
+ sess = (struct cpt_sess_misc *)sess_private_data_t;
+
+ sess->ctx_dma_addr = rte_mempool_virt2iova(sess) +
+ sizeof(struct cpt_sess_misc);
+
+ ret = instance_session_cfg(sym_op->xform, (void *)sess);
+ if (unlikely(ret)) {
+ ret = -EINVAL;
+ goto free_sess_priv;
+ }
+
+ /* Save tmp session in op */
+
+ sym_op->session = (struct rte_cryptodev_sym_session *)sess_t;
+ set_sym_session_private_data(sym_op->session, otx_cryptodev_driver_id,
+ sess_private_data_t);
+
+ /* Enqueue op with the tmp session set */
+ ret = otx_cpt_enq_single_sym(instance, op, pqueue);
+
+ if (unlikely(ret))
+ goto free_sess_priv;
+
+ return 0;
+
+free_sess_priv:
+ rte_mempool_put(instance->sess_mp_priv, sess_private_data_t);
+free_sess:
+ rte_mempool_put(instance->sess_mp, sess_t);
+exit:
+ return ret;
+}
+
+#define OP_TYPE_SYM 0
+#define OP_TYPE_ASYM 1
+
+static __rte_always_inline int __hot
+otx_cpt_enq_single(struct cpt_instance *inst,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue,
+ const uint8_t op_type)
+{
+ /* Check for the type */
+
+ if (op_type == OP_TYPE_SYM) {
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
+ return otx_cpt_enq_single_sym(inst, op, pqueue);
+ else
+ return otx_cpt_enq_single_sym_sessless(inst, op,
+ pqueue);
+ }
+
+ if (op_type == OP_TYPE_ASYM) {
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
+ return otx_cpt_enq_single_asym(inst, op, pqueue);
+ }
+
+ /* Should not reach here */
+ return -ENOTSUP;
+}
+
+static __rte_always_inline uint16_t __hot
+otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
+ const uint8_t op_type)
+{
+ struct cpt_instance *instance = (struct cpt_instance *)qptr;
+ uint16_t count;
+ int ret;
+ struct cpt_vf *cptvf = (struct cpt_vf *)instance;
+ struct pending_queue *pqueue = &cptvf->pqueue;
+
+ count = DEFAULT_CMD_QLEN - pqueue->pending_count;
+ if (nb_ops > count)
+ nb_ops = count;
+
+ count = 0;
+ while (likely(count < nb_ops)) {
+
+ /* Enqueue single op */
+ ret = otx_cpt_enq_single(instance, ops[count], pqueue, op_type);
+
+ if (unlikely(ret))
+ break;
+ count++;
+ }
+ otx_cpt_ring_dbell(instance, count);
+ return count;
+}
+
+static uint16_t
+otx_cpt_enqueue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+ return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_ASYM);
+}
+
+static uint16_t
+otx_cpt_enqueue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+ return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_SYM);
+}
+
+static inline void
+otx_cpt_asym_rsa_op(struct rte_crypto_op *cop, struct cpt_request_info *req,
+ struct rte_crypto_rsa_xform *rsa_ctx)
+
+{
+ struct rte_crypto_rsa_op_param *rsa = &cop->asym->rsa;
+
+ switch (rsa->op_type) {
+ case RTE_CRYPTO_ASYM_OP_ENCRYPT:
+ rsa->cipher.length = rsa_ctx->n.length;
+ memcpy(rsa->cipher.data, req->rptr, rsa->cipher.length);
+ break;
+ case RTE_CRYPTO_ASYM_OP_DECRYPT:
+ if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
+ rsa->message.length = rsa_ctx->n.length;
+ else {
+ /* Get length of decrypted output */
+ rsa->message.length = rte_cpu_to_be_16
+ (*((uint16_t *)req->rptr));
+
+ /* Offset data pointer by length fields */
+ req->rptr += 2;
+ }
+ memcpy(rsa->message.data, req->rptr, rsa->message.length);
+ break;
+ case RTE_CRYPTO_ASYM_OP_SIGN:
+ rsa->sign.length = rsa_ctx->n.length;
+ memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
+ break;
+ case RTE_CRYPTO_ASYM_OP_VERIFY:
+ if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
+ rsa->sign.length = rsa_ctx->n.length;
+ else {
+ /* Get length of decrypted output */
+ rsa->sign.length = rte_cpu_to_be_16
+ (*((uint16_t *)req->rptr));
+
+ /* Offset data pointer by length fields */
+ req->rptr += 2;
+ }
+ memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
+
+ if (memcmp(rsa->sign.data, rsa->message.data,
+ rsa->message.length)) {
+ CPT_LOG_DP_ERR("RSA verification failed");
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ }
+ break;
+ default:
+ CPT_LOG_DP_DEBUG("Invalid RSA operation type");
+ cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ break;
+ }
+}
+
+static __rte_always_inline void __hot
+otx_cpt_asym_post_process(struct rte_crypto_op *cop,
+ struct cpt_request_info *req)
+{
+ struct rte_crypto_asym_op *op = cop->asym;
+ struct cpt_asym_sess_misc *sess;
+
+ sess = get_asym_session_private_data(op->session,
+ otx_cryptodev_driver_id);
+
+ switch (sess->xfrm_type) {
+ case RTE_CRYPTO_ASYM_XFORM_RSA:
+ otx_cpt_asym_rsa_op(cop, req, &sess->rsa_ctx);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_MODEX:
+ op->modex.result.length = sess->mod_ctx.modulus.length;
+ memcpy(op->modex.result.data, req->rptr,
+ op->modex.result.length);
+ break;
+ default:
+ CPT_LOG_DP_DEBUG("Invalid crypto xform type");
+ cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ break;
+ }
+}
+
+static __rte_always_inline void __hot
+otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp,
+ const uint8_t op_type)
+{
+ /* H/w has returned success */
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+ /* Perform further post processing */
+
+ if ((op_type == OP_TYPE_SYM) &&
+ (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)) {
+ /* Check if auth verify need to be completed */
+ if (unlikely(rsp[2]))
+ compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]);
+ return;
+ }
+
+ if ((op_type == OP_TYPE_ASYM) &&
+ (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)) {
+ rsp = RTE_PTR_ADD(rsp, 4 * sizeof(uintptr_t));
+ otx_cpt_asym_post_process(cop, (struct cpt_request_info *)rsp);
+ }
+
+ return;
+}
+
+static __rte_always_inline uint16_t __hot
+otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
+ const uint8_t op_type)
+{
+ struct cpt_instance *instance = (struct cpt_instance *)qptr;
+ struct cpt_request_info *user_req;
+ struct cpt_vf *cptvf = (struct cpt_vf *)instance;
+ struct rid *rid_e;
+ uint8_t cc[nb_ops];
+ int i, count, pcount;
+ uint8_t ret;
+ int nb_completed;
+ struct pending_queue *pqueue = &cptvf->pqueue;
+ struct rte_crypto_op *cop;
+ void *metabuf;
+ uintptr_t *rsp;
+
+ pcount = pqueue->pending_count;
+ count = (nb_ops > pcount) ? pcount : nb_ops;
+
+ for (i = 0; i < count; i++) {
+ rid_e = &pqueue->rid_queue[pqueue->deq_head];
+ user_req = (struct cpt_request_info *)(rid_e->rid);
+
+ if (likely((i+1) < count))
+ rte_prefetch_non_temporal((void *)rid_e[1].rid);
+
+ ret = check_nb_command_id(user_req, instance);
+
+ if (unlikely(ret == ERR_REQ_PENDING)) {
+ /* Stop checking for completions */
+ break;
+ }
+
+ /* Return completion code and op handle */
+ cc[i] = ret;
+ ops[i] = user_req->op;
+
+ CPT_LOG_DP_DEBUG("Request %p Op %p completed with code %d",
+ user_req, user_req->op, ret);
+
+ MOD_INC(pqueue->deq_head, DEFAULT_CMD_QLEN);
+ pqueue->pending_count -= 1;
+ }
+
+ nb_completed = i;
+
+ for (i = 0; i < nb_completed; i++) {
+
+ rsp = (void *)ops[i];
+
+ if (likely((i + 1) < nb_completed))
+ rte_prefetch0(ops[i+1]);
+
+ metabuf = (void *)rsp[0];
+ cop = (void *)rsp[1];
+
+ ops[i] = cop;
+
+ /* Check completion code */
+
+ if (likely(cc[i] == 0)) {
+ /* H/w success pkt. Post process */
+ otx_cpt_dequeue_post_process(cop, rsp, op_type);
+ } else if (cc[i] == ERR_GC_ICV_MISCOMPARE) {
+ /* auth data mismatch */
+ cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+ } else {
+ /* Error */
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ }
+
+ if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
+ void *sess_private_data_t =
+ get_sym_session_private_data(cop->sym->session,
+ otx_cryptodev_driver_id);
+ memset(sess_private_data_t, 0,
+ cpt_get_session_size());
+ memset(cop->sym->session, 0,
+ rte_cryptodev_sym_get_existing_header_session_size(
+ cop->sym->session));
+ rte_mempool_put(instance->sess_mp_priv,
+ sess_private_data_t);
+ rte_mempool_put(instance->sess_mp, cop->sym->session);
+ cop->sym->session = NULL;
+ }
+ free_op_meta(metabuf, instance->meta_info.pool);
+ }
+
+ return nb_completed;
+}
+
+static uint16_t
+otx_cpt_dequeue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+ return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_ASYM);
+}
+
+static uint16_t
+otx_cpt_dequeue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+ return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_SYM);
+}
+
+static struct rte_cryptodev_ops cptvf_ops = {
+ /* Device related operations */
+ .dev_configure = otx_cpt_dev_config,
+ .dev_start = otx_cpt_dev_start,
+ .dev_stop = otx_cpt_dev_stop,
+ .dev_close = otx_cpt_dev_close,
+ .dev_infos_get = otx_cpt_dev_info_get,
+
+ .stats_get = otx_cpt_stats_get,
+ .stats_reset = otx_cpt_stats_reset,
+ .queue_pair_setup = otx_cpt_que_pair_setup,
+ .queue_pair_release = otx_cpt_que_pair_release,
+ .queue_pair_count = NULL,
+
+ /* Crypto related operations */
+ .sym_session_get_size = otx_cpt_get_session_size,
+ .sym_session_configure = otx_cpt_session_cfg,
+ .sym_session_clear = otx_cpt_session_clear,
+
+ .asym_session_get_size = otx_cpt_asym_session_size_get,
+ .asym_session_configure = otx_cpt_asym_session_cfg,
+ .asym_session_clear = otx_cpt_asym_session_clear,
+};
+
int
otx_cpt_dev_create(struct rte_cryptodev *c_dev)
{
goto fail;
}
+ switch (cptvf->vftype) {
+ case OTX_CPT_VF_TYPE_AE:
+ /* Set asymmetric cpt feature flags */
+ c_dev->feature_flags = RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO |
+ RTE_CRYPTODEV_FF_HW_ACCELERATED |
+ RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT;
+ break;
+ case OTX_CPT_VF_TYPE_SE:
+ /* Set symmetric cpt feature flags */
+ c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+ RTE_CRYPTODEV_FF_HW_ACCELERATED |
+ RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+ RTE_CRYPTODEV_FF_IN_PLACE_SGL |
+ RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
+ RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT;
+ break;
+ default:
+ /* Feature not supported. Abort */
+ CPT_LOG_ERR("VF type not supported by %s", dev_name);
+ ret = -EIO;
+ goto deinit_dev;
+ }
+
/* Start off timer for mailbox interrupts */
otx_cpt_periodic_alarm_start(cptvf);
- c_dev->dev_ops = NULL;
-
- c_dev->enqueue_burst = NULL;
- c_dev->dequeue_burst = NULL;
+ c_dev->dev_ops = &cptvf_ops;
- c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
- RTE_CRYPTODEV_FF_HW_ACCELERATED |
- RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
- RTE_CRYPTODEV_FF_IN_PLACE_SGL |
- RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
- RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT;
+ if (c_dev->feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) {
+ c_dev->enqueue_burst = otx_cpt_enqueue_sym;
+ c_dev->dequeue_burst = otx_cpt_dequeue_sym;
+ } else {
+ c_dev->enqueue_burst = otx_cpt_enqueue_asym;
+ c_dev->dequeue_burst = otx_cpt_dequeue_asym;
+ }
/* Save dev private data */
c_dev->data->dev_private = cptvf;
return 0;
+deinit_dev:
+ otx_cpt_deinit_device(cptvf);
+
fail:
if (cptvf) {
/* Free private data allocated */
git.droids-corp.org / dpdk.git / blobdiff