#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 "cpt_pmd_ops_helper.h"
-#include "cpt_ucode.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"
-static int otx_cryptodev_probe_count;
-static rte_spinlock_t otx_probe_count_lock = RTE_SPINLOCK_INITIALIZER;
-
-static struct rte_mempool *otx_cpt_meta_pool;
-static int otx_cpt_op_mlen;
-static int otx_cpt_op_sb_mlen;
+#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);
-/*
- * Initializes global variables used by fast-path code
- *
- * @return
- * - 0 on success, errcode on error
- */
-static int
-init_global_resources(void)
-{
- /* Get meta len for scatter gather mode */
- otx_cpt_op_mlen = cpt_pmd_ops_helper_get_mlen_sg_mode();
-
- /* Extra 4B saved for future considerations */
- otx_cpt_op_mlen += 4 * sizeof(uint64_t);
-
- otx_cpt_meta_pool = rte_mempool_create("cpt_metabuf-pool", 4096 * 16,
- otx_cpt_op_mlen, 512, 0,
- NULL, NULL, NULL, NULL,
- SOCKET_ID_ANY, 0);
- if (!otx_cpt_meta_pool) {
- CPT_LOG_ERR("cpt metabuf pool not created");
- return -ENOMEM;
- }
-
- /* Get meta len for direct mode */
- otx_cpt_op_sb_mlen = cpt_pmd_ops_helper_get_mlen_direct_mode();
-
- /* Extra 4B saved for future considerations */
- otx_cpt_op_sb_mlen += 4 * sizeof(uint64_t);
-
- return 0;
-}
-
-void
-cleanup_global_resources(void)
-{
- /* Take lock */
- rte_spinlock_lock(&otx_probe_count_lock);
-
- /* Decrement the cryptodev count */
- otx_cryptodev_probe_count--;
-
- /* Free buffers */
- if (otx_cpt_meta_pool && otx_cryptodev_probe_count == 0)
- rte_mempool_free(otx_cpt_meta_pool);
-
- /* Free lock */
- rte_spinlock_unlock(&otx_probe_count_lock);
-}
-
/* Alarm routines */
static void
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->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;
const struct rte_cryptodev_qp_conf *qp_conf,
int socket_id __rte_unused)
{
- void *cptvf = dev->data->dev_private;
struct cpt_instance *instance = NULL;
struct rte_pci_device *pci_dev;
int ret = -1;
return -EIO;
}
- ret = otx_cpt_get_resource(cptvf, 0, &instance);
+ 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);
}
}
+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,
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,
void *prep_req, *mdata = NULL;
int ret = 0;
uint64_t cpt_op;
- struct cpt_vf *cptvf = (struct cpt_vf *)instance;
sess = (struct cpt_sess_misc *)
get_sym_session_private_data(sym_op->session,
cpt_op = sess->cpt_op;
if (likely(cpt_op & CPT_OP_CIPHER_MASK))
- ret = fill_fc_params(op, sess, &cptvf->meta_info, &mdata,
+ ret = fill_fc_params(op, sess, &instance->meta_info, &mdata,
&prep_req);
else
- ret = fill_digest_params(op, sess, &cptvf->meta_info,
+ ret = fill_digest_params(op, sess, &instance->meta_info,
&mdata, &prep_req);
if (unlikely(ret)) {
if (unlikely(ret)) {
/* Buffer allocated for request preparation need to be freed */
- free_op_meta(mdata, cptvf->meta_info.cptvf_meta_pool);
+ free_op_meta(mdata, instance->meta_info.pool);
return ret;
}
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)
+ struct pending_queue *pqueue,
+ const uint8_t op_type)
{
/* Check for the type */
- if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
- return otx_cpt_enq_single_sym(inst, op, pqueue);
- else if (unlikely(op->sess_type == RTE_CRYPTO_OP_SESSIONLESS))
- return otx_cpt_enq_single_sym_sessless(inst, op, pqueue);
+ 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 -EINVAL;
+ return -ENOTSUP;
}
-static uint16_t
-otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+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;
while (likely(count < nb_ops)) {
/* Enqueue single op */
- ret = otx_cpt_enq_single(instance, ops[count], pqueue);
+ ret = otx_cpt_enq_single(instance, ops[count], pqueue, op_type);
if (unlikely(ret))
break;
return count;
}
-static __rte_always_inline void
-otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp)
+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 (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
+ 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 uint16_t
-otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+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;
if (likely(cc[i] == 0)) {
/* H/w success pkt. Post process */
- otx_cpt_dequeue_post_process(cop, rsp);
+ 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;
rte_mempool_put(instance->sess_mp, cop->sym->session);
cop->sym->session = NULL;
}
- free_op_meta(metabuf, cptvf->meta_info.cptvf_meta_pool);
+ 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,
/* 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
-};
+ .sym_session_clear = otx_cpt_session_clear,
-static void
-otx_cpt_common_vars_init(struct cpt_vf *cptvf)
-{
- cptvf->meta_info.cptvf_meta_pool = otx_cpt_meta_pool;
- cptvf->meta_info.cptvf_op_mlen = otx_cpt_op_mlen;
- cptvf->meta_info.cptvf_op_sb_mlen = otx_cpt_op_sb_mlen;
-}
+ .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;
}
- /* Start off timer for mailbox interrupts */
- otx_cpt_periodic_alarm_start(cptvf);
-
- rte_spinlock_lock(&otx_probe_count_lock);
- if (!otx_cryptodev_probe_count) {
- ret = init_global_resources();
- if (ret) {
- rte_spinlock_unlock(&otx_probe_count_lock);
- goto init_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;
}
- otx_cryptodev_probe_count++;
- rte_spinlock_unlock(&otx_probe_count_lock);
- /* Initialize data path variables used by common code */
- otx_cpt_common_vars_init(cptvf);
+ /* Start off timer for mailbox interrupts */
+ otx_cpt_periodic_alarm_start(cptvf);
c_dev->dev_ops = &cptvf_ops;
- c_dev->enqueue_burst = otx_cpt_pkt_enqueue;
- c_dev->dequeue_burst = otx_cpt_pkt_dequeue;
-
- 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;
-init_fail:
- otx_cpt_periodic_alarm_stop(cptvf);
+deinit_dev:
otx_cpt_deinit_device(cptvf);
fail:
git.droids-corp.org / dpdk.git / blobdiff