#include "cpt_pmd_logs.h"
#include "cpt_pmd_ops_helper.h"
#include "cpt_ucode.h"
+#include "cpt_ucode_asym.h"
#define METABUF_POOL_CACHE_SIZE 512
int nb_elements)
{
char mempool_name[RTE_MEMPOOL_NAMESIZE];
- int sg_mlen, lb_mlen, max_mlen, ret;
struct cpt_qp_meta_info *meta_info;
struct rte_mempool *pool;
+ int ret, max_mlen;
+ int asym_mlen = 0;
+ int lb_mlen = 0;
+ int sg_mlen = 0;
- /* Get meta len for scatter gather mode */
- sg_mlen = cpt_pmd_ops_helper_get_mlen_sg_mode();
+ if (dev->feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) {
- /* Extra 32B saved for future considerations */
- sg_mlen += 4 * sizeof(uint64_t);
+ /* Get meta len for scatter gather mode */
+ sg_mlen = cpt_pmd_ops_helper_get_mlen_sg_mode();
- /* Get meta len for linear buffer (direct) mode */
- lb_mlen = cpt_pmd_ops_helper_get_mlen_direct_mode();
+ /* Extra 32B saved for future considerations */
+ sg_mlen += 4 * sizeof(uint64_t);
- /* Extra 32B saved for future considerations */
- lb_mlen += 4 * sizeof(uint64_t);
+ /* Get meta len for linear buffer (direct) mode */
+ lb_mlen = cpt_pmd_ops_helper_get_mlen_direct_mode();
- /* Check max requirement for meta buffer */
- max_mlen = RTE_MAX(lb_mlen, sg_mlen);
+ /* Extra 32B saved for future considerations */
+ lb_mlen += 4 * sizeof(uint64_t);
+ }
+
+ if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO) {
+
+ /* Get meta len required for asymmetric operations */
+ asym_mlen = cpt_pmd_ops_helper_asym_get_mlen();
+ }
+
+ /*
+ * Check max requirement for meta buffer to
+ * support crypto op of any type (sym/asym).
+ */
+ max_mlen = RTE_MAX(RTE_MAX(lb_mlen, sg_mlen), asym_mlen);
/* Allocate mempool */
return 0;
}
+static __rte_always_inline int32_t __hot
+otx2_cpt_enqueue_asym(struct otx2_cpt_qp *qp,
+ struct rte_crypto_op *op,
+ struct pending_queue *pend_q)
+{
+ struct cpt_qp_meta_info *minfo = &qp->meta_info;
+ struct rte_crypto_asym_op *asym_op = op->asym;
+ struct asym_op_params params = {0};
+ struct cpt_asym_sess_misc *sess;
+ vq_cmd_word3_t *w3;
+ uintptr_t *cop;
+ void *mdata;
+ int ret;
+
+ if (unlikely(rte_mempool_get(minfo->pool, &mdata) < 0)) {
+ CPT_LOG_ERR("Could not allocate meta buffer for request");
+ return -ENOMEM;
+ }
+
+ sess = get_asym_session_private_data(asym_op->session,
+ otx2_cryptodev_driver_id);
+
+ /* Store IO address 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 to point to end of cpt_request_info structure */
+ 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;
+ }
+
+ /* Set engine group of AE */
+ w3 = (vq_cmd_word3_t *)¶ms.req->ist.ei3;
+ w3->s.grp = OTX2_CPT_EGRP_AE;
+
+ ret = otx2_cpt_enqueue_req(qp, pend_q, 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
otx2_cpt_enqueue_sym(struct otx2_cpt_qp *qp, struct rte_crypto_op *op,
struct pending_queue *pend_q)
else
ret = otx2_cpt_enqueue_sym_sessless(qp, op,
pend_q);
+ } else if (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
+ ret = otx2_cpt_enqueue_asym(qp, op, pend_q);
+ else
+ break;
} else
break;
return count;
}
+static __rte_always_inline void
+otx2_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;
+ memcpy(rsa->message.data, req->rptr,
+ rsa->message.length);
+ } else {
+ /* Get length of decrypted output */
+ rsa->message.length = rte_cpu_to_be_16
+ (*((uint16_t *)req->rptr));
+ /*
+ * Offset output data pointer by length field
+ * (2 bytes) and copy decrypted data.
+ */
+ memcpy(rsa->message.data, req->rptr + 2,
+ 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;
+ memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
+ } else {
+ /* Get length of signed output */
+ rsa->sign.length = rte_cpu_to_be_16
+ (*((uint16_t *)req->rptr));
+ /*
+ * Offset output data pointer by length field
+ * (2 bytes) and copy signed data.
+ */
+ memcpy(rsa->sign.data, req->rptr + 2,
+ 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 void
+otx2_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,
+ otx2_cryptodev_driver_id);
+
+ switch (sess->xfrm_type) {
+ case RTE_CRYPTO_ASYM_XFORM_RSA:
+ otx2_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 inline void
otx2_cpt_dequeue_post_process(struct otx2_cpt_qp *qp, struct rte_crypto_op *cop,
uintptr_t *rsp, uint8_t cc)
cop->sym->session = NULL;
}
}
+
+ if (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
+ if (likely(cc == NO_ERR)) {
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ /*
+ * Pass cpt_req_info stored in metabuf during
+ * enqueue.
+ */
+ rsp = RTE_PTR_ADD(rsp, 4 * sizeof(uintptr_t));
+ otx2_cpt_asym_post_process(cop,
+ (struct cpt_request_info *)rsp);
+ } else
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ }
}
static __rte_always_inline uint8_t
return sym_session_clear(dev->driver_id, sess);
}
+static unsigned int
+otx2_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused)
+{
+ return sizeof(struct cpt_asym_sess_misc);
+}
+
+static int
+otx2_cpt_asym_session_cfg(struct rte_cryptodev *dev,
+ struct rte_crypto_asym_xform *xform,
+ 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
+otx2_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 in session_cfg */
+ cpt_free_asym_session_parameters(priv);
+
+ /* Reset and free object back to pool */
+ memset(priv, 0, otx2_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);
+}
+
struct rte_cryptodev_ops otx2_cpt_ops = {
/* Device control ops */
.dev_configure = otx2_cpt_dev_config,
.sym_session_get_size = otx2_cpt_sym_session_get_size,
.sym_session_configure = otx2_cpt_sym_session_configure,
.sym_session_clear = otx2_cpt_sym_session_clear,
+
+ /* Asymmetric crypto ops */
+ .asym_session_get_size = otx2_cpt_asym_session_size_get,
+ .asym_session_configure = otx2_cpt_asym_session_cfg,
+ .asym_session_clear = otx2_cpt_asym_session_clear,
+
};