--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2018 Intel Corporation
+ */
+
+#include "qat_comp.h"
+#include "qat_comp_pmd.h"
+
+static const struct rte_compressdev_capabilities qat_comp_gen_capabilities[] = {
+ {/* COMPRESSION - deflate */
+ .algo = RTE_COMP_ALGO_DEFLATE,
+ .comp_feature_flags = RTE_COMP_FF_MULTI_PKT_CHECKSUM |
+ RTE_COMP_FF_CRC32_CHECKSUM |
+ RTE_COMP_FF_ADLER32_CHECKSUM |
+ RTE_COMP_FF_CRC32_ADLER32_CHECKSUM |
+ RTE_COMP_FF_SHAREABLE_PRIV_XFORM |
+ RTE_COMP_FF_HUFFMAN_FIXED |
+ RTE_COMP_FF_OOP_SGL_IN_SGL_OUT |
+ RTE_COMP_FF_OOP_SGL_IN_LB_OUT |
+ RTE_COMP_FF_OOP_LB_IN_SGL_OUT,
+ .window_size = {.min = 15, .max = 15, .increment = 0} },
+ {RTE_COMP_ALGO_LIST_END, 0, {0, 0, 0} } };
+
+static void
+qat_comp_stats_get(struct rte_compressdev *dev,
+ struct rte_compressdev_stats *stats)
+{
+ struct qat_common_stats qat_stats = {0};
+ struct qat_comp_dev_private *qat_priv;
+
+ if (stats == NULL || dev == NULL) {
+ QAT_LOG(ERR, "invalid ptr: stats %p, dev %p", stats, dev);
+ return;
+ }
+ qat_priv = dev->data->dev_private;
+
+ qat_stats_get(qat_priv->qat_dev, &qat_stats, QAT_SERVICE_COMPRESSION);
+ stats->enqueued_count = qat_stats.enqueued_count;
+ stats->dequeued_count = qat_stats.dequeued_count;
+ stats->enqueue_err_count = qat_stats.enqueue_err_count;
+ stats->dequeue_err_count = qat_stats.dequeue_err_count;
+}
+
+static void
+qat_comp_stats_reset(struct rte_compressdev *dev)
+{
+ struct qat_comp_dev_private *qat_priv;
+
+ if (dev == NULL) {
+ QAT_LOG(ERR, "invalid compressdev ptr %p", dev);
+ return;
+ }
+ qat_priv = dev->data->dev_private;
+
+ qat_stats_reset(qat_priv->qat_dev, QAT_SERVICE_COMPRESSION);
+
+}
+
+static int
+qat_comp_qp_release(struct rte_compressdev *dev, uint16_t queue_pair_id)
+{
+ struct qat_comp_dev_private *qat_private = dev->data->dev_private;
+
+ QAT_LOG(DEBUG, "Release comp qp %u on device %d",
+ queue_pair_id, dev->data->dev_id);
+
+ qat_private->qat_dev->qps_in_use[QAT_SERVICE_COMPRESSION][queue_pair_id]
+ = NULL;
+
+ return qat_qp_release((struct qat_qp **)
+ &(dev->data->queue_pairs[queue_pair_id]));
+}
+
+static int
+qat_comp_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
+ uint32_t max_inflight_ops, int socket_id)
+{
+ struct qat_qp *qp;
+ int ret = 0;
+ uint32_t i;
+ struct qat_qp_config qat_qp_conf;
+
+ struct qat_qp **qp_addr =
+ (struct qat_qp **)&(dev->data->queue_pairs[qp_id]);
+ struct qat_comp_dev_private *qat_private = dev->data->dev_private;
+ const struct qat_qp_hw_data *comp_hw_qps =
+ qat_gen_config[qat_private->qat_dev->qat_dev_gen]
+ .qp_hw_data[QAT_SERVICE_COMPRESSION];
+ const struct qat_qp_hw_data *qp_hw_data = comp_hw_qps + qp_id;
+
+ /* If qp is already in use free ring memory and qp metadata. */
+ if (*qp_addr != NULL) {
+ ret = qat_comp_qp_release(dev, qp_id);
+ if (ret < 0)
+ return ret;
+ }
+ if (qp_id >= qat_qps_per_service(comp_hw_qps,
+ QAT_SERVICE_COMPRESSION)) {
+ QAT_LOG(ERR, "qp_id %u invalid for this device", qp_id);
+ return -EINVAL;
+ }
+
+ qat_qp_conf.hw = qp_hw_data;
+ qat_qp_conf.build_request = qat_comp_build_request;
+ qat_qp_conf.cookie_size = sizeof(struct qat_comp_op_cookie);
+ qat_qp_conf.nb_descriptors = max_inflight_ops;
+ qat_qp_conf.socket_id = socket_id;
+ qat_qp_conf.service_str = "comp";
+
+ ret = qat_qp_setup(qat_private->qat_dev, qp_addr, qp_id, &qat_qp_conf);
+ if (ret != 0)
+ return ret;
+
+ /* store a link to the qp in the qat_pci_device */
+ qat_private->qat_dev->qps_in_use[QAT_SERVICE_COMPRESSION][qp_id]
+ = *qp_addr;
+
+ qp = (struct qat_qp *)*qp_addr;
+
+ for (i = 0; i < qp->nb_descriptors; i++) {
+
+ struct qat_comp_op_cookie *cookie =
+ qp->op_cookies[i];
+
+ cookie->qat_sgl_src_phys_addr =
+ rte_mempool_virt2iova(cookie) +
+ offsetof(struct qat_comp_op_cookie,
+ qat_sgl_src);
+
+ cookie->qat_sgl_dst_phys_addr =
+ rte_mempool_virt2iova(cookie) +
+ offsetof(struct qat_comp_op_cookie,
+ qat_sgl_dst);
+ }
+
+ return ret;
+}
+
+static struct rte_mempool *
+qat_comp_create_xform_pool(struct qat_comp_dev_private *comp_dev,
+ uint32_t num_elements)
+{
+ char xform_pool_name[RTE_MEMPOOL_NAMESIZE];
+ struct rte_mempool *mp;
+
+ snprintf(xform_pool_name, RTE_MEMPOOL_NAMESIZE,
+ "%s_xforms", comp_dev->qat_dev->name);
+
+ QAT_LOG(DEBUG, "xformpool: %s", xform_pool_name);
+ mp = rte_mempool_lookup(xform_pool_name);
+
+ if (mp != NULL) {
+ QAT_LOG(DEBUG, "xformpool already created");
+ if (mp->size != num_elements) {
+ QAT_LOG(DEBUG, "xformpool wrong size - delete it");
+ rte_mempool_free(mp);
+ mp = NULL;
+ comp_dev->xformpool = NULL;
+ }
+ }
+
+ if (mp == NULL)
+ mp = rte_mempool_create(xform_pool_name,
+ num_elements,
+ qat_comp_xform_size(), 0, 0,
+ NULL, NULL, NULL, NULL, rte_socket_id(),
+ 0);
+ if (mp == NULL) {
+ QAT_LOG(ERR, "Err creating mempool %s w %d elements of size %d",
+ xform_pool_name, num_elements, qat_comp_xform_size());
+ return NULL;
+ }
+
+ return mp;
+}
+
+static void
+_qat_comp_dev_config_clear(struct qat_comp_dev_private *comp_dev)
+{
+ /* Free private_xform pool */
+ if (comp_dev->xformpool) {
+ /* Free internal mempool for private xforms */
+ rte_mempool_free(comp_dev->xformpool);
+ comp_dev->xformpool = NULL;
+ }
+}
+
+static int
+qat_comp_dev_config(struct rte_compressdev *dev,
+ struct rte_compressdev_config *config)
+{
+ struct qat_comp_dev_private *comp_dev = dev->data->dev_private;
+ int ret = 0;
+
+ if (config->max_nb_streams != 0) {
+ QAT_LOG(ERR,
+ "QAT device does not support STATEFUL so max_nb_streams must be 0");
+ return -EINVAL;
+ }
+
+ comp_dev->xformpool = qat_comp_create_xform_pool(comp_dev,
+ config->max_nb_priv_xforms);
+ if (comp_dev->xformpool == NULL) {
+
+ ret = -ENOMEM;
+ goto error_out;
+ }
+ return 0;
+
+error_out:
+ _qat_comp_dev_config_clear(comp_dev);
+ return ret;
+}
+
+static int
+qat_comp_dev_start(struct rte_compressdev *dev __rte_unused)
+{
+ return 0;
+}
+
+static void
+qat_comp_dev_stop(struct rte_compressdev *dev __rte_unused)
+{
+
+}
+
+static int
+qat_comp_dev_close(struct rte_compressdev *dev)
+{
+ int i;
+ int ret = 0;
+ struct qat_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ for (i = 0; i < dev->data->nb_queue_pairs; i++) {
+ ret = qat_comp_qp_release(dev, i);
+ if (ret < 0)
+ return ret;
+ }
+
+ _qat_comp_dev_config_clear(comp_dev);
+
+ return ret;
+}
+
+
+static void
+qat_comp_dev_info_get(struct rte_compressdev *dev,
+ struct rte_compressdev_info *info)
+{
+ struct qat_comp_dev_private *comp_dev = dev->data->dev_private;
+ const struct qat_qp_hw_data *comp_hw_qps =
+ qat_gen_config[comp_dev->qat_dev->qat_dev_gen]
+ .qp_hw_data[QAT_SERVICE_COMPRESSION];
+
+ if (info != NULL) {
+ info->max_nb_queue_pairs =
+ qat_qps_per_service(comp_hw_qps,
+ QAT_SERVICE_COMPRESSION);
+ info->feature_flags = dev->feature_flags;
+ info->capabilities = comp_dev->qat_dev_capabilities;
+ }
+}
+
+static uint16_t
+qat_comp_pmd_enqueue_op_burst(void *qp, struct rte_comp_op **ops,
+ uint16_t nb_ops)
+{
+ return qat_enqueue_op_burst(qp, (void **)ops, nb_ops);
+}
+
+static uint16_t
+qat_comp_pmd_dequeue_op_burst(void *qp, struct rte_comp_op **ops,
+ uint16_t nb_ops)
+{
+ return qat_dequeue_op_burst(qp, (void **)ops, nb_ops);
+}
+
+static uint16_t
+qat_comp_pmd_enq_deq_dummy_op_burst(void *qp __rte_unused,
+ struct rte_comp_op **ops __rte_unused,
+ uint16_t nb_ops __rte_unused)
+{
+ QAT_DP_LOG(ERR, "QAT PMD detected wrong FW version !");
+ return 0;
+}
+
+static struct rte_compressdev_ops compress_qat_dummy_ops = {
+
+ /* Device related operations */
+ .dev_configure = NULL,
+ .dev_start = NULL,
+ .dev_stop = qat_comp_dev_stop,
+ .dev_close = qat_comp_dev_close,
+ .dev_infos_get = NULL,
+
+ .stats_get = NULL,
+ .stats_reset = qat_comp_stats_reset,
+ .queue_pair_setup = NULL,
+ .queue_pair_release = qat_comp_qp_release,
+
+ /* Compression related operations */
+ .private_xform_create = NULL,
+ .private_xform_free = qat_comp_private_xform_free
+};
+
+static uint16_t
+qat_comp_pmd_dequeue_frst_op_burst(void *qp, struct rte_comp_op **ops,
+ uint16_t nb_ops)
+{
+ uint16_t ret = qat_dequeue_op_burst(qp, (void **)ops, nb_ops);
+ struct qat_qp *tmp_qp = (struct qat_qp *)qp;
+
+ if (ret) {
+ if ((*ops)->debug_status ==
+ (uint64_t)ERR_CODE_QAT_COMP_WRONG_FW) {
+ tmp_qp->qat_dev->comp_dev->compressdev->enqueue_burst =
+ qat_comp_pmd_enq_deq_dummy_op_burst;
+ tmp_qp->qat_dev->comp_dev->compressdev->dequeue_burst =
+ qat_comp_pmd_enq_deq_dummy_op_burst;
+
+ tmp_qp->qat_dev->comp_dev->compressdev->dev_ops =
+ &compress_qat_dummy_ops;
+ QAT_LOG(ERR, "QAT PMD detected wrong FW version !");
+
+ } else {
+ tmp_qp->qat_dev->comp_dev->compressdev->dequeue_burst =
+ qat_comp_pmd_dequeue_op_burst;
+ }
+ }
+ return ret;
+}
+
+static struct rte_compressdev_ops compress_qat_ops = {
+
+ /* Device related operations */
+ .dev_configure = qat_comp_dev_config,
+ .dev_start = qat_comp_dev_start,
+ .dev_stop = qat_comp_dev_stop,
+ .dev_close = qat_comp_dev_close,
+ .dev_infos_get = qat_comp_dev_info_get,
+
+ .stats_get = qat_comp_stats_get,
+ .stats_reset = qat_comp_stats_reset,
+ .queue_pair_setup = qat_comp_qp_setup,
+ .queue_pair_release = qat_comp_qp_release,
+
+ /* Compression related operations */
+ .private_xform_create = qat_comp_private_xform_create,
+ .private_xform_free = qat_comp_private_xform_free
+};
+
+int
+qat_comp_dev_create(struct qat_pci_device *qat_pci_dev)
+{
+ if (qat_pci_dev->qat_dev_gen == QAT_GEN1) {
+ QAT_LOG(ERR, "Compression PMD not supported on QAT dh895xcc");
+ return 0;
+ }
+
+ struct rte_compressdev_pmd_init_params init_params = {
+ .name = "",
+ .socket_id = qat_pci_dev->pci_dev->device.numa_node,
+ };
+ char name[RTE_COMPRESSDEV_NAME_MAX_LEN];
+ struct rte_compressdev *compressdev;
+ struct qat_comp_dev_private *comp_dev;
+
+ snprintf(name, RTE_COMPRESSDEV_NAME_MAX_LEN, "%s_%s",
+ qat_pci_dev->name, "comp");
+ QAT_LOG(DEBUG, "Creating QAT COMP device %s", name);
+
+ compressdev = rte_compressdev_pmd_create(name,
+ &qat_pci_dev->pci_dev->device,
+ sizeof(struct qat_comp_dev_private),
+ &init_params);
+
+ if (compressdev == NULL)
+ return -ENODEV;
+
+ compressdev->dev_ops = &compress_qat_ops;
+
+ compressdev->enqueue_burst = qat_comp_pmd_enqueue_op_burst;
+ compressdev->dequeue_burst = qat_comp_pmd_dequeue_frst_op_burst;
+
+ compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
+
+ comp_dev = compressdev->data->dev_private;
+ comp_dev->qat_dev = qat_pci_dev;
+ comp_dev->compressdev = compressdev;
+ qat_pci_dev->comp_dev = comp_dev;
+
+ switch (qat_pci_dev->qat_dev_gen) {
+ case QAT_GEN1:
+ case QAT_GEN2:
+ comp_dev->qat_dev_capabilities = qat_comp_gen_capabilities;
+ break;
+ default:
+ comp_dev->qat_dev_capabilities = qat_comp_gen_capabilities;
+ QAT_LOG(DEBUG,
+ "QAT gen %d capabilities unknown, default to GEN1",
+ qat_pci_dev->qat_dev_gen);
+ break;
+ }
+
+ QAT_LOG(DEBUG,
+ "Created QAT COMP device %s as compressdev instance %d",
+ name, compressdev->data->dev_id);
+ return 0;
+}
+
+int
+qat_comp_dev_destroy(struct qat_pci_device *qat_pci_dev)
+{
+ struct qat_comp_dev_private *comp_dev;
+
+ if (qat_pci_dev == NULL)
+ return -ENODEV;
+
+ comp_dev = qat_pci_dev->comp_dev;
+ if (comp_dev == NULL)
+ return 0;
+
+ /* clean up any resources used by the device */
+ qat_comp_dev_close(comp_dev->compressdev);
+
+ rte_compressdev_pmd_destroy(comp_dev->compressdev);
+ qat_pci_dev->comp_dev = NULL;
+
+ return 0;
+}
Code Review / deb_dpdk.git / blobdiff