rte_atomic16_t pending_count;
};
+static inline uint16_t
+nitrox_qp_free_count(struct nitrox_qp *qp)
+{
+ uint16_t pending_count = rte_atomic16_read(&qp->pending_count);
+
+ RTE_ASSERT(qp->count >= pending_count);
+ return (qp->count - pending_count);
+}
+
static inline bool
nitrox_qp_is_empty(struct nitrox_qp *qp)
{
return (rte_atomic16_read(&qp->pending_count) == 0);
}
+static inline uint16_t
+nitrox_qp_used_count(struct nitrox_qp *qp)
+{
+ return rte_atomic16_read(&qp->pending_count);
+}
+
+static inline struct nitrox_softreq *
+nitrox_qp_get_softreq(struct nitrox_qp *qp)
+{
+ uint32_t tail = qp->tail % qp->count;
+
+ rte_smp_rmb();
+ return qp->ridq[tail].sr;
+}
+
+static inline void
+nitrox_ring_dbell(struct nitrox_qp *qp, uint16_t cnt)
+{
+ struct command_queue *cmdq = &qp->cmdq;
+
+ if (!cnt)
+ return;
+
+ rte_io_wmb();
+ rte_write64(cnt, cmdq->dbell_csr_addr);
+}
+
+static inline void
+nitrox_qp_enqueue(struct nitrox_qp *qp, void *instr, struct nitrox_softreq *sr)
+{
+ uint32_t head = qp->head % qp->count;
+
+ qp->head++;
+ memcpy(&qp->cmdq.ring[head * qp->cmdq.instr_size],
+ instr, qp->cmdq.instr_size);
+ qp->ridq[head].sr = sr;
+ rte_smp_wmb();
+ rte_atomic16_inc(&qp->pending_count);
+}
+
+static inline void
+nitrox_qp_dequeue(struct nitrox_qp *qp)
+{
+ qp->tail++;
+ rte_atomic16_dec(&qp->pending_count);
+}
+
int nitrox_qp_setup(struct nitrox_qp *qp, uint8_t *bar_addr,
const char *dev_name, uint32_t nb_descriptors,
uint8_t inst_size, int socket_id);
rte_mempool_put(sess_mp, ctx);
}
+static struct nitrox_crypto_ctx *
+get_crypto_ctx(struct rte_crypto_op *op)
+{
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+ if (likely(op->sym->session))
+ return get_sym_session_private_data(op->sym->session,
+ nitrox_sym_drv_id);
+ }
+
+ return NULL;
+}
+
+static int
+nitrox_enq_single_op(struct nitrox_qp *qp, struct rte_crypto_op *op)
+{
+ struct nitrox_crypto_ctx *ctx;
+ struct nitrox_softreq *sr;
+ int err;
+
+ op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ ctx = get_crypto_ctx(op);
+ if (unlikely(!ctx)) {
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+ return -EINVAL;
+ }
+
+ if (unlikely(rte_mempool_get(qp->sr_mp, (void **)&sr)))
+ return -ENOMEM;
+
+ err = nitrox_process_se_req(qp->qno, op, ctx, sr);
+ if (unlikely(err)) {
+ rte_mempool_put(qp->sr_mp, sr);
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ return err;
+ }
+
+ nitrox_qp_enqueue(qp, nitrox_sym_instr_addr(sr), sr);
+ return 0;
+}
+
+static uint16_t
+nitrox_sym_dev_enq_burst(void *queue_pair, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ struct nitrox_qp *qp = queue_pair;
+ uint16_t free_slots = 0;
+ uint16_t cnt = 0;
+ bool err = false;
+
+ free_slots = nitrox_qp_free_count(qp);
+ if (nb_ops > free_slots)
+ nb_ops = free_slots;
+
+ for (cnt = 0; cnt < nb_ops; cnt++) {
+ if (unlikely(nitrox_enq_single_op(qp, ops[cnt]))) {
+ err = true;
+ break;
+ }
+ }
+
+ nitrox_ring_dbell(qp, cnt);
+ qp->stats.enqueued_count += cnt;
+ if (unlikely(err))
+ qp->stats.enqueue_err_count++;
+
+ return cnt;
+}
+
+static int
+nitrox_deq_single_op(struct nitrox_qp *qp, struct rte_crypto_op **op_ptr)
+{
+ struct nitrox_softreq *sr;
+ int ret;
+ struct rte_crypto_op *op;
+
+ sr = nitrox_qp_get_softreq(qp);
+ ret = nitrox_check_se_req(sr, op_ptr);
+ if (ret < 0)
+ return -EAGAIN;
+
+ op = *op_ptr;
+ nitrox_qp_dequeue(qp);
+ rte_mempool_put(qp->sr_mp, sr);
+ if (!ret) {
+ op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ qp->stats.dequeued_count++;
+
+ return 0;
+ }
+
+ if (ret == MC_MAC_MISMATCH_ERR_CODE)
+ op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+ else
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+
+ qp->stats.dequeue_err_count++;
+ return 0;
+}
+
+static uint16_t
+nitrox_sym_dev_deq_burst(void *queue_pair, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ struct nitrox_qp *qp = queue_pair;
+ uint16_t filled_slots = nitrox_qp_used_count(qp);
+ int cnt = 0;
+
+ if (nb_ops > filled_slots)
+ nb_ops = filled_slots;
+
+ for (cnt = 0; cnt < nb_ops; cnt++)
+ if (nitrox_deq_single_op(qp, &ops[cnt]))
+ break;
+
+ return cnt;
+}
+
static struct rte_cryptodev_ops nitrox_cryptodev_ops = {
.dev_configure = nitrox_sym_dev_config,
.dev_start = nitrox_sym_dev_start,
ndev->rte_sym_dev.name = cdev->data->name;
cdev->driver_id = nitrox_sym_drv_id;
cdev->dev_ops = &nitrox_cryptodev_ops;
- cdev->enqueue_burst = NULL;
- cdev->dequeue_burst = NULL;
+ cdev->enqueue_burst = nitrox_sym_dev_enq_burst;
+ cdev->dequeue_burst = nitrox_sym_dev_deq_burst;
cdev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
RTE_CRYPTODEV_FF_HW_ACCELERATED |
RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;
#include <rte_crypto.h>
#include <rte_cryptodev.h>
+#include <rte_cycles.h>
#include <rte_errno.h>
#include "nitrox_sym_reqmgr.h"
#include "nitrox_logs.h"
+#define PENDING_SIG 0xFFFFFFFFFFFFFFFFUL
+#define CMD_TIMEOUT 2
+
+union pkt_instr_hdr {
+ uint64_t value;
+ struct {
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ uint64_t raz_48_63 : 16;
+ uint64_t g : 1;
+ uint64_t gsz : 7;
+ uint64_t ihi : 1;
+ uint64_t ssz : 7;
+ uint64_t raz_30_31 : 2;
+ uint64_t fsz : 6;
+ uint64_t raz_16_23 : 8;
+ uint64_t tlen : 16;
+#else
+ uint64_t tlen : 16;
+ uint64_t raz_16_23 : 8;
+ uint64_t fsz : 6;
+ uint64_t raz_30_31 : 2;
+ uint64_t ssz : 7;
+ uint64_t ihi : 1;
+ uint64_t gsz : 7;
+ uint64_t g : 1;
+ uint64_t raz_48_63 : 16;
+#endif
+ } s;
+};
+
+union pkt_hdr {
+ uint64_t value[2];
+ struct {
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ uint64_t opcode : 8;
+ uint64_t arg : 8;
+ uint64_t ctxc : 2;
+ uint64_t unca : 1;
+ uint64_t raz_44 : 1;
+ uint64_t info : 3;
+ uint64_t destport : 9;
+ uint64_t unc : 8;
+ uint64_t raz_19_23 : 5;
+ uint64_t grp : 3;
+ uint64_t raz_15 : 1;
+ uint64_t ctxl : 7;
+ uint64_t uddl : 8;
+#else
+ uint64_t uddl : 8;
+ uint64_t ctxl : 7;
+ uint64_t raz_15 : 1;
+ uint64_t grp : 3;
+ uint64_t raz_19_23 : 5;
+ uint64_t unc : 8;
+ uint64_t destport : 9;
+ uint64_t info : 3;
+ uint64_t raz_44 : 1;
+ uint64_t unca : 1;
+ uint64_t ctxc : 2;
+ uint64_t arg : 8;
+ uint64_t opcode : 8;
+#endif
+ uint64_t ctxp;
+ } s;
+};
+
+union slc_store_info {
+ uint64_t value[2];
+ struct {
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ uint64_t raz_39_63 : 25;
+ uint64_t ssz : 7;
+ uint64_t raz_0_31 : 32;
+#else
+ uint64_t raz_0_31 : 32;
+ uint64_t ssz : 7;
+ uint64_t raz_39_63 : 25;
+#endif
+ uint64_t rptr;
+ } s;
+};
+
+struct nps_pkt_instr {
+ uint64_t dptr0;
+ union pkt_instr_hdr ih;
+ union pkt_hdr irh;
+ union slc_store_info slc;
+ uint64_t fdata[2];
+};
+
+struct resp_hdr {
+ uint64_t orh;
+ uint64_t completion;
+};
+
struct nitrox_softreq {
+ struct nitrox_crypto_ctx *ctx;
+ struct rte_crypto_op *op;
+ struct nps_pkt_instr instr;
+ struct resp_hdr resp;
+ uint64_t timeout;
rte_iova_t iova;
};
sr->iova = iova;
}
+static int
+process_cipher_auth_data(struct nitrox_softreq *sr)
+{
+ RTE_SET_USED(sr);
+ return 0;
+}
+
+static int
+process_softreq(struct nitrox_softreq *sr)
+{
+ struct nitrox_crypto_ctx *ctx = sr->ctx;
+ int err = 0;
+
+ switch (ctx->nitrox_chain) {
+ case NITROX_CHAIN_CIPHER_AUTH:
+ case NITROX_CHAIN_AUTH_CIPHER:
+ err = process_cipher_auth_data(sr);
+ break;
+ default:
+ err = -EINVAL;
+ break;
+ }
+
+ return err;
+}
+
+int
+nitrox_process_se_req(uint16_t qno, struct rte_crypto_op *op,
+ struct nitrox_crypto_ctx *ctx,
+ struct nitrox_softreq *sr)
+{
+ RTE_SET_USED(qno);
+ softreq_init(sr, sr->iova);
+ sr->ctx = ctx;
+ sr->op = op;
+ process_softreq(sr);
+ sr->timeout = rte_get_timer_cycles() + CMD_TIMEOUT * rte_get_timer_hz();
+ return 0;
+}
+
+int
+nitrox_check_se_req(struct nitrox_softreq *sr, struct rte_crypto_op **op)
+{
+ uint64_t cc;
+ uint64_t orh;
+ int err;
+
+ cc = *(volatile uint64_t *)(&sr->resp.completion);
+ orh = *(volatile uint64_t *)(&sr->resp.orh);
+ if (cc != PENDING_SIG)
+ err = 0;
+ else if ((orh != PENDING_SIG) && (orh & 0xff))
+ err = orh & 0xff;
+ else if (rte_get_timer_cycles() >= sr->timeout)
+ err = 0xff;
+ else
+ return -EAGAIN;
+
+ if (unlikely(err))
+ NITROX_LOG(ERR, "Request err 0x%x, orh 0x%"PRIx64"\n", err,
+ sr->resp.orh);
+
+ *op = sr->op;
+ return err;
+}
+
+void *
+nitrox_sym_instr_addr(struct nitrox_softreq *sr)
+{
+ return &sr->instr;
+}
+
static void
req_pool_obj_init(__rte_unused struct rte_mempool *mp,
__rte_unused void *opaque, void *obj,
#ifndef _NITROX_SYM_REQMGR_H_
#define _NITROX_SYM_REQMGR_H_
+#include "nitrox_sym_ctx.h"
+
+struct nitrox_qp;
+struct nitrox_softreq;
+
+int nitrox_process_se_req(uint16_t qno, struct rte_crypto_op *op,
+ struct nitrox_crypto_ctx *ctx,
+ struct nitrox_softreq *sr);
+int nitrox_check_se_req(struct nitrox_softreq *sr, struct rte_crypto_op **op);
+void *nitrox_sym_instr_addr(struct nitrox_softreq *sr);
struct rte_mempool *nitrox_sym_req_pool_create(struct rte_cryptodev *cdev,
uint32_t nobjs, uint16_t qp_id,
int socket_id);
git.droids-corp.org / dpdk.git / commitdiff