return 0;
}
+void
+zipvf_push_command(struct zipvf_qp *qp, union zip_inst_s *cmd)
+{
+ zip_quex_doorbell_t dbell;
+ union zip_nptr_s ncp;
+ uint64_t *ncb_ptr;
+ struct zipvf_cmdq *cmdq = &qp->cmdq;
+ void *reg_base = qp->vf->vbar0;
+
+ /*Held queue lock*/
+ rte_spinlock_lock(&(cmdq->qlock));
+
+ /* Check space availability in zip cmd queue */
+ if ((((cmdq->sw_head - (uint64_t *)cmdq->va) * sizeof(uint64_t *)) +
+ ZIP_CMD_SIZE) == (ZIP_MAX_CMDQ_SIZE - ZIP_MAX_NCBP_SIZE)) {
+ /*Last buffer of the command queue*/
+ memcpy((uint8_t *)cmdq->sw_head,
+ (uint8_t *)cmd,
+ sizeof(union zip_inst_s));
+ /* move pointer to next loc in unit of 64-bit word */
+ cmdq->sw_head += ZIP_CMD_SIZE_WORDS;
+
+ /* now, point the "Next-Chunk Buffer Ptr" to sw_head */
+ ncb_ptr = cmdq->sw_head;
+ /* Pointing head again to cmdqueue base*/
+ cmdq->sw_head = (uint64_t *)cmdq->va;
+
+ ncp.u = 0ull;
+ ncp.s.addr = cmdq->iova;
+ *ncb_ptr = ncp.u;
+ } else {
+ /*Enough buffers available in the command queue*/
+ memcpy((uint8_t *)cmdq->sw_head,
+ (uint8_t *)cmd,
+ sizeof(union zip_inst_s));
+ cmdq->sw_head += ZIP_CMD_SIZE_WORDS;
+ }
+
+ rte_wmb();
+
+ /* Ringing ZIP VF doorbell */
+ dbell.u = 0ull;
+ dbell.s.dbell_cnt = 1;
+ zip_reg_write64(reg_base, ZIP_VQ_DOORBELL, dbell.u);
+
+ rte_spinlock_unlock(&(cmdq->qlock));
+}
int
zipvf_create(struct rte_compressdev *compressdev)
/* pointer to pools */
} __rte_cache_aligned;
+
+static inline void
+zipvf_prepare_in_buf(struct zip_stream *zstrm, struct rte_comp_op *op)
+{
+ uint32_t offset, inlen;
+ struct rte_mbuf *m_src;
+ union zip_inst_s *inst = zstrm->inst;
+
+ inlen = op->src.length;
+ offset = op->src.offset;
+ m_src = op->m_src;
+
+ /* Prepare direct input data pointer */
+ inst->s.dg = 0;
+ inst->s.inp_ptr_addr.s.addr =
+ rte_pktmbuf_iova_offset(m_src, offset);
+ inst->s.inp_ptr_ctl.s.length = inlen;
+}
+
+static inline void
+zipvf_prepare_out_buf(struct zip_stream *zstrm, struct rte_comp_op *op)
+{
+ uint32_t offset;
+ struct rte_mbuf *m_dst;
+ union zip_inst_s *inst = zstrm->inst;
+
+ offset = op->dst.offset;
+ m_dst = op->m_dst;
+
+ /* Prepare direct input data pointer */
+ inst->s.ds = 0;
+ inst->s.out_ptr_addr.s.addr =
+ rte_pktmbuf_iova_offset(m_dst, offset);
+ inst->s.totaloutputlength = rte_pktmbuf_pkt_len(m_dst) -
+ op->dst.offset;
+ inst->s.out_ptr_ctl.s.length = inst->s.totaloutputlength;
+}
+
+static inline void
+zipvf_prepare_cmd_stateless(struct rte_comp_op *op, struct zip_stream *zstrm)
+{
+ union zip_inst_s *inst = zstrm->inst;
+
+ /* set flush flag to always 1*/
+ inst->s.ef = 1;
+
+ if (inst->s.op == ZIP_OP_E_DECOMP)
+ inst->s.sf = 1;
+ else
+ inst->s.sf = 0;
+
+ /* Set input checksum */
+ inst->s.adlercrc32 = op->input_chksum;
+
+ /* Prepare gather buffers */
+ zipvf_prepare_in_buf(zstrm, op);
+ zipvf_prepare_out_buf(zstrm, op);
+}
+
+#ifdef ZIP_DBG
+static inline void
+zip_dump_instruction(void *inst)
+{
+ union zip_inst_s *cmd83 = (union zip_inst_s *)inst;
+ printf("####### START ########\n");
+ printf("doneint:%d totaloutputlength:%d\n", cmd83->s.doneint,
+ cmd83->s.totaloutputlength);
+ printf("exnum:%d iv:%d exbits:%d hmif:%d halg:%d\n", cmd83->s.exn,
+ cmd83->s.iv, cmd83->s.exbits, cmd83->s.hmif, cmd83->s.halg);
+ printf("flush:%d speed:%d cc:%d\n", cmd83->s.sf,
+ cmd83->s.ss, cmd83->s.cc);
+ printf("eof:%d bof:%d op:%d dscatter:%d dgather:%d hgather:%d\n",
+ cmd83->s.ef, cmd83->s.bf, cmd83->s.op, cmd83->s.ds,
+ cmd83->s.dg, cmd83->s.hg);
+ printf("historylength:%d adler32:%d\n", cmd83->s.historylength,
+ cmd83->s.adlercrc32);
+ printf("ctx_ptr.addr:0x%"PRIx64"\n", cmd83->s.ctx_ptr_addr.s.addr);
+ printf("ctx_ptr.len:%d\n", cmd83->s.ctx_ptr_ctl.s.length);
+ printf("history_ptr.addr:0x%"PRIx64"\n", cmd83->s.his_ptr_addr.s.addr);
+ printf("history_ptr.len:%d\n", cmd83->s.his_ptr_ctl.s.length);
+ printf("inp_ptr.addr:0x%"PRIx64"\n", cmd83->s.inp_ptr_addr.s.addr);
+ printf("inp_ptr.len:%d\n", cmd83->s.inp_ptr_ctl.s.length);
+ printf("out_ptr.addr:0x%"PRIx64"\n", cmd83->s.out_ptr_addr.s.addr);
+ printf("out_ptr.len:%d\n", cmd83->s.out_ptr_ctl.s.length);
+ printf("result_ptr.len:%d\n", cmd83->s.res_ptr_ctl.s.length);
+ printf("####### END ########\n");
+}
+#endif
+
int
zipvf_create(struct rte_compressdev *compressdev);
int
zipvf_q_term(struct zipvf_qp *qp);
-int
+void
zipvf_push_command(struct zipvf_qp *qp, union zip_inst_s *zcmd);
+int
+zip_process_op(struct rte_comp_op *op,
+ struct zipvf_qp *qp,
+ struct zip_stream *zstrm);
+
uint64_t
zip_reg_read64(uint8_t *hw_addr, uint64_t offset);
RTE_COMP_END_OF_CAPABILITIES_LIST()
};
+/*
+ * Reset session to default state for next set of stateless operation
+ */
+static inline void
+reset_stream(struct zip_stream *z_stream)
+{
+ union zip_inst_s *inst = (union zip_inst_s *)(z_stream->inst);
+
+ inst->s.bf = 1;
+ inst->s.ef = 0;
+}
+
+int
+zip_process_op(struct rte_comp_op *op,
+ struct zipvf_qp *qp,
+ struct zip_stream *zstrm)
+{
+ union zip_inst_s *inst = zstrm->inst;
+ volatile union zip_zres_s *zresult = NULL;
+
+
+ if ((op->m_src->nb_segs > 1) || (op->m_dst->nb_segs > 1) ||
+ (op->src.offset > rte_pktmbuf_pkt_len(op->m_src)) ||
+ (op->dst.offset > rte_pktmbuf_pkt_len(op->m_dst))) {
+ op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
+ ZIP_PMD_ERR("Segmented packet is not supported\n");
+ return 0;
+ }
+
+ zipvf_prepare_cmd_stateless(op, zstrm);
+
+ zresult = (union zip_zres_s *)zstrm->bufs[RES_BUF];
+ zresult->s.compcode = 0;
+
+#ifdef ZIP_DBG
+ zip_dump_instruction(inst);
+#endif
+
+ /* Submit zip command */
+ zipvf_push_command(qp, (void *)inst);
+
+ /* Check and Process results in sync mode */
+ do {
+ } while (!zresult->s.compcode);
+
+ if (zresult->s.compcode == ZIP_COMP_E_SUCCESS) {
+ op->status = RTE_COMP_OP_STATUS_SUCCESS;
+ } else {
+ /* FATAL error cannot do anything */
+ ZIP_PMD_ERR("operation failed with error code:%d\n",
+ zresult->s.compcode);
+ if (zresult->s.compcode == ZIP_COMP_E_DSTOP)
+ op->status = RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED;
+ else
+ op->status = RTE_COMP_OP_STATUS_ERROR;
+ }
+
+ ZIP_PMD_INFO("written %d\n", zresult->s.totalbyteswritten);
+
+ /* Update op stats */
+ switch (op->status) {
+ case RTE_COMP_OP_STATUS_SUCCESS:
+ op->consumed = zresult->s.totalbytesread;
+ /* Fall-through */
+ case RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED:
+ op->produced = zresult->s.totalbyteswritten;
+ break;
+ default:
+ ZIP_PMD_ERR("stats not updated for status:%d\n",
+ op->status);
+ break;
+ }
+ /* zstream is reset irrespective of result */
+ reset_stream(zstrm);
+
+ zresult->s.compcode = ZIP_COMP_E_NOTDONE;
+ return 0;
+}
+
/** Parse xform parameters and setup a stream */
static int
zip_set_stream_parameters(struct rte_compressdev *dev,
inst->s.res_ptr_ctl.s.length = 0;
z_stream->inst = inst;
+ z_stream->func = zip_process_op;
return 0;
}
+static uint16_t
+zip_pmd_enqueue_burst_sync(void *queue_pair,
+ struct rte_comp_op **ops, uint16_t nb_ops)
+{
+ struct zipvf_qp *qp = queue_pair;
+ struct rte_comp_op *op;
+ struct zip_stream *zstrm;
+ int i, ret = 0;
+ uint16_t enqd = 0;
+
+ for (i = 0; i < nb_ops; i++) {
+ op = ops[i];
+
+ if (op->op_type == RTE_COMP_OP_STATEFUL) {
+ op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
+ } else {
+ /* process stateless ops */
+ zstrm = (struct zip_stream *)op->private_xform;
+ if (unlikely(zstrm == NULL))
+ op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
+ else
+ ret = zstrm->func(op, qp, zstrm);
+ }
+
+ /* Whatever is out of op, put it into completion queue with
+ * its status
+ */
+ if (!ret)
+ ret = rte_ring_enqueue(qp->processed_pkts, (void *)op);
+
+ if (unlikely(ret < 0)) {
+ /* increment count if failed to enqueue op*/
+ qp->qp_stats.enqueue_err_count++;
+ } else {
+ qp->qp_stats.enqueued_count++;
+ enqd++;
+ }
+ }
+ return enqd;
+}
+
+static uint16_t
+zip_pmd_dequeue_burst_sync(void *queue_pair,
+ struct rte_comp_op **ops, uint16_t nb_ops)
+{
+ struct zipvf_qp *qp = queue_pair;
+
+ unsigned int nb_dequeued = 0;
+
+ nb_dequeued = rte_ring_dequeue_burst(qp->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+ qp->qp_stats.dequeued_count += nb_dequeued;
+
+ return nb_dequeued;
+}
+
struct rte_compressdev_ops octtx_zip_pmd_ops = {
.dev_configure = zip_pmd_config,
.dev_start = zip_pmd_start,
compressdev->dev_ops = &octtx_zip_pmd_ops;
/* register rx/tx burst functions for data path */
+ compressdev->dequeue_burst = zip_pmd_dequeue_burst_sync;
+ compressdev->enqueue_burst = zip_pmd_enqueue_burst_sync;
compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
return ret;
}
git.droids-corp.org / dpdk.git / commitdiff