#include "otx_zip.h"
+int octtx_zip_logtype_driver;
+
static const struct rte_compressdev_capabilities
octtx_zip_pmd_capabilities[] = {
{ .algo = RTE_COMP_ALGO_DEFLATE,
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,
+ const struct rte_comp_xform *xform,
+ struct zip_stream *z_stream)
+{
+ int ret;
+ union zip_inst_s *inst;
+ struct zip_vf *vf = (struct zip_vf *)dev->data->dev_private;
+ void *res;
+
+ /* Allocate resources required by a stream */
+ ret = rte_mempool_get_bulk(vf->zip_mp,
+ z_stream->bufs, MAX_BUFS_PER_STREAM);
+ if (ret < 0)
+ return -1;
+
+ /* get one command buffer from pool and set up */
+ inst = (union zip_inst_s *)z_stream->bufs[CMD_BUF];
+ res = z_stream->bufs[RES_BUF];
+
+ memset(inst->u, 0, sizeof(inst->u));
+
+ /* set bf for only first ops of stream */
+ inst->s.bf = 1;
+
+ if (xform->type == RTE_COMP_COMPRESS) {
+ inst->s.op = ZIP_OP_E_COMP;
+
+ switch (xform->compress.deflate.huffman) {
+ case RTE_COMP_HUFFMAN_DEFAULT:
+ inst->s.cc = ZIP_CC_DEFAULT;
+ break;
+ case RTE_COMP_HUFFMAN_FIXED:
+ inst->s.cc = ZIP_CC_FIXED_HUFF;
+ break;
+ case RTE_COMP_HUFFMAN_DYNAMIC:
+ inst->s.cc = ZIP_CC_DYN_HUFF;
+ break;
+ default:
+ ret = -1;
+ goto err;
+ }
+
+ switch (xform->compress.level) {
+ case RTE_COMP_LEVEL_MIN:
+ inst->s.ss = ZIP_COMP_E_LEVEL_MIN;
+ break;
+ case RTE_COMP_LEVEL_MAX:
+ inst->s.ss = ZIP_COMP_E_LEVEL_MAX;
+ break;
+ case RTE_COMP_LEVEL_NONE:
+ ZIP_PMD_ERR("Compression level not supported");
+ ret = -1;
+ goto err;
+ default:
+ /* for any value between min and max , choose
+ * PMD default.
+ */
+ inst->s.ss = ZIP_COMP_E_LEVEL_MED; /** PMD default **/
+ break;
+ }
+ } else if (xform->type == RTE_COMP_DECOMPRESS) {
+ inst->s.op = ZIP_OP_E_DECOMP;
+ /* from HRM,
+ * For DEFLATE decompression, [CC] must be 0x0.
+ * For decompression, [SS] must be 0x0
+ */
+ inst->s.cc = 0;
+ /* Speed bit should not be set for decompression */
+ inst->s.ss = 0;
+ /* decompression context is supported only for STATEFUL
+ * operations. Currently we support STATELESS ONLY so
+ * skip setting of ctx pointer
+ */
+
+ } else {
+ ZIP_PMD_ERR("\nxform type not supported");
+ ret = -1;
+ goto err;
+ }
+
+ inst->s.res_ptr_addr.s.addr = rte_mempool_virt2iova(res);
+ inst->s.res_ptr_ctl.s.length = 0;
+
+ z_stream->inst = inst;
+ z_stream->func = zip_process_op;
+
+ return 0;
+
+err:
+ rte_mempool_put_bulk(vf->zip_mp,
+ (void *)&(z_stream->bufs[0]),
+ MAX_BUFS_PER_STREAM);
+
+ return ret;
+}
+
/** Configure device */
static int
zip_pmd_config(struct rte_compressdev *dev,
qp->name = name;
- /* Create completion queue upto max_inflight_ops */
+ /* Create completion queue up to max_inflight_ops */
qp->processed_pkts = zip_pmd_qp_create_processed_pkts_ring(qp,
max_inflight_ops, socket_id);
if (qp->processed_pkts == NULL)
return -1;
}
-struct rte_compressdev_ops octtx_zip_pmd_ops = {
+static int
+zip_pmd_stream_create(struct rte_compressdev *dev,
+ const struct rte_comp_xform *xform, void **stream)
+{
+ int ret;
+ struct zip_stream *strm = NULL;
+
+ strm = rte_malloc(NULL,
+ sizeof(struct zip_stream), 0);
+
+ if (strm == NULL)
+ return (-ENOMEM);
+
+ ret = zip_set_stream_parameters(dev, xform, strm);
+ if (ret < 0) {
+ ZIP_PMD_ERR("failed configure xform parameters");
+ rte_free(strm);
+ return ret;
+ }
+ *stream = strm;
+ return 0;
+}
+
+static int
+zip_pmd_stream_free(struct rte_compressdev *dev, void *stream)
+{
+ struct zip_vf *vf = (struct zip_vf *) (dev->data->dev_private);
+ struct zip_stream *z_stream;
+
+ if (stream == NULL)
+ return 0;
+
+ z_stream = (struct zip_stream *)stream;
+
+ /* Free resources back to pool */
+ rte_mempool_put_bulk(vf->zip_mp,
+ (void *)&(z_stream->bufs[0]),
+ MAX_BUFS_PER_STREAM);
+
+ /* Zero out the whole structure */
+ memset(stream, 0, sizeof(struct zip_stream));
+ rte_free(stream);
+
+ 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;
+}
+
+static struct rte_compressdev_ops octtx_zip_pmd_ops = {
.dev_configure = zip_pmd_config,
.dev_start = zip_pmd_start,
.dev_stop = zip_pmd_stop,
.queue_pair_setup = zip_pmd_qp_setup,
.queue_pair_release = zip_pmd_qp_release,
+
+ .private_xform_create = zip_pmd_stream_create,
+ .private_xform_free = zip_pmd_stream_free,
+ .stream_create = NULL,
+ .stream_free = NULL
};
static int
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;
}
RTE_PMD_REGISTER_PCI(COMPRESSDEV_NAME_ZIP_PMD, octtx_zip_pmd);
RTE_PMD_REGISTER_PCI_TABLE(COMPRESSDEV_NAME_ZIP_PMD, pci_id_octtx_zipvf_table);
-RTE_INIT(octtx_zip_init_log);
-
-static void
-octtx_zip_init_log(void)
+RTE_INIT(octtx_zip_init_log)
{
octtx_zip_logtype_driver = rte_log_register("pmd.compress.octeontx");
if (octtx_zip_logtype_driver >= 0)
git.droids-corp.org / dpdk.git / blobdiff