add zsda compressdev dev interface implementation.
Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
drivers/common/zsda/meson.build | 1 +
drivers/common/zsda/zsda_qp_common.c | 57 ++++++++++
drivers/common/zsda/zsda_qp_common.h | 36 +++++++
drivers/compress/zsda/zsda_comp_pmd.c | 144 +++++++++++++++++++++++++-
drivers/compress/zsda/zsda_comp_pmd.h | 5 +
5 files changed, 238 insertions(+), 5 deletions(-)
create mode 100644 drivers/common/zsda/zsda_qp_common.c
diff --git a/drivers/common/zsda/meson.build b/drivers/common/zsda/meson.build
index 6ee2a68f4b..6e6d5ab006 100644
--- a/drivers/common/zsda/meson.build
+++ b/drivers/common/zsda/meson.build
@@ -12,6 +12,7 @@ sources += files(
'zsda_device.c',
'zsda_logs.c',
'zsda_qp.c',
+ 'zsda_qp_common.c',
)
zsda_compress = true
diff --git a/drivers/common/zsda/zsda_qp_common.c b/drivers/common/zsda/zsda_qp_common.c
new file mode 100644
index 0000000000..9c7152eb24
--- /dev/null
+++ b/drivers/common/zsda/zsda_qp_common.c
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#include "zsda_qp_common.h"
+
+static void
+zsda_queue_delete(const struct zsda_queue *queue)
+{
+ const struct rte_memzone *mz;
+
+ if (queue == NULL) {
+ ZSDA_LOG(DEBUG, "Invalid queue");
+ return;
+ }
+
+ mz = rte_memzone_lookup(queue->memz_name);
+ if (mz != NULL) {
+ memset(queue->base_addr, 0x0,
+ (uint16_t)(queue->queue_size * queue->msg_size));
+ rte_memzone_free(mz);
+ } else
+ ZSDA_LOG(DEBUG, "queue %s doesn't exist", queue->memz_name);
+}
+
+int
+zsda_queue_pair_release(struct zsda_qp **qp_addr)
+{
+ struct zsda_qp *qp = *qp_addr;
+ uint32_t i;
+ enum zsda_service_type type;
+
+ if (qp == NULL) {
+ ZSDA_LOG(DEBUG, "qp already freed");
+ return 0;
+ }
+
+ for (type = 0; type < ZSDA_SERVICE_INVALID; type++) {
+ if (!qp->srv[type].used)
+ continue;
+
+ zsda_queue_delete(&(qp->srv[type].tx_q));
+ zsda_queue_delete(&(qp->srv[type].rx_q));
+ qp->srv[type].used = false;
+ for (i = 0; i < qp->srv[type].nb_descriptors; i++)
+ rte_mempool_put(qp->srv[type].op_cookie_pool,
+ qp->srv[type].op_cookies[i]);
+
+ rte_mempool_free(qp->srv[type].op_cookie_pool);
+ rte_free(qp->srv[type].op_cookies);
+ }
+
+ rte_free(qp);
+ *qp_addr = NULL;
+
+ return ZSDA_SUCCESS;
+}
diff --git a/drivers/common/zsda/zsda_qp_common.h b/drivers/common/zsda/zsda_qp_common.h
index 722fd730b2..1522f9605e 100644
--- a/drivers/common/zsda/zsda_qp_common.h
+++ b/drivers/common/zsda/zsda_qp_common.h
@@ -68,4 +68,40 @@ struct zsda_admin_resp_qcfg {
uint8_t data[14];
} __rte_packed;
+struct zsda_queue {
+ char memz_name[RTE_MEMZONE_NAMESIZE];
+ uint8_t *io_addr;
+ uint8_t *base_addr; /* Base address */
+ rte_iova_t base_phys_addr; /* Queue physical address */
+ uint16_t head; /* Shadow copy of the head */
+ uint16_t tail; /* Shadow copy of the tail */
+ uint16_t modulo_mask;
+ uint16_t msg_size;
+ uint16_t queue_size;
+ uint16_t cycle_size;
+ uint16_t pushed_wqe;
+
+ uint8_t hw_queue_number;
+ uint32_t csr_head; /* last written head value */
+ uint32_t csr_tail; /* last written tail value */
+
+ uint8_t valid;
+ uint16_t sid;
+};
+
+struct qp_srv {
+ bool used;
+ struct zsda_queue tx_q;
+ struct zsda_queue rx_q;
+ struct rte_mempool *op_cookie_pool;
+ void **op_cookies;
+ uint16_t nb_descriptors;
+};
+
+struct zsda_qp {
+ struct qp_srv srv[ZSDA_MAX_SERVICES];
+};
+
+int zsda_queue_pair_release(struct zsda_qp **qp_addr);
+
#endif /* _ZSDA_QP_COMMON_H_ */
diff --git a/drivers/compress/zsda/zsda_comp_pmd.c b/drivers/compress/zsda/zsda_comp_pmd.c
index d1c33f448c..3bdcd66f6a 100644
--- a/drivers/compress/zsda/zsda_comp_pmd.c
+++ b/drivers/compress/zsda/zsda_comp_pmd.c
@@ -8,13 +8,145 @@
#include "zsda_qp_common.h"
#include "zsda_comp_pmd.h"
+static int
+zsda_comp_xform_size(void)
+{
+ return RTE_ALIGN_CEIL(sizeof(struct zsda_comp_xform), 8);
+}
+
+static struct rte_mempool *
+zsda_comp_create_xform_pool(struct zsda_comp_dev_private *comp_dev,
+ struct rte_compressdev_config *config,
+ 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->zsda_pci_dev->name);
+
+ ZSDA_LOG(DEBUG, "xformpool: %s", xform_pool_name);
+ mp = rte_mempool_lookup(xform_pool_name);
+
+ if (mp != NULL) {
+ ZSDA_LOG(DEBUG, "xformpool already created");
+ if (mp->size != num_elements) {
+ ZSDA_LOG(DEBUG, "xformpool wrong size - delete it");
+ rte_mempool_free(mp);
+ mp = NULL;
+ comp_dev->xformpool = NULL;
+ }
+ } else {
+ mp = rte_mempool_create(xform_pool_name, num_elements,
+ zsda_comp_xform_size(), 0, 0, NULL,
+ NULL, NULL, NULL, config->socket_id, 0);
+ if (mp == NULL) {
+ ZSDA_LOG(ERR, "Failed! mp is NULL");
+ return NULL;
+ }
+ }
+
+ return mp;
+}
+
+static int
+zsda_comp_dev_config(struct rte_compressdev *dev,
+ struct rte_compressdev_config *config)
+{
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ if (config->max_nb_priv_xforms) {
+ comp_dev->xformpool = zsda_comp_create_xform_pool(
+ comp_dev, config, config->max_nb_priv_xforms);
+ if (comp_dev->xformpool == NULL)
+ return -ENOMEM;
+ } else
+ comp_dev->xformpool = NULL;
+
+ return ZSDA_SUCCESS;
+}
+
+static int
+zsda_comp_dev_start(struct rte_compressdev *dev)
+{
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+ int ret;
+
+ ret = zsda_queue_start(comp_dev->zsda_pci_dev->pci_dev);
+
+ if (ret)
+ ZSDA_LOG(ERR, "Failed! zsda_queue_start.");
+
+ return ret;
+}
+
+static void
+zsda_comp_dev_stop(struct rte_compressdev *dev)
+{
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ zsda_queue_stop(comp_dev->zsda_pci_dev->pci_dev);
+}
+
+static int
+zsda_comp_qp_release(struct rte_compressdev *dev, uint16_t queue_pair_id)
+{
+ return zsda_queue_pair_release(
+ (struct zsda_qp **)&(dev->data->queue_pairs[queue_pair_id]));
+}
+
+static int
+zsda_comp_dev_close(struct rte_compressdev *dev)
+{
+ uint16_t i;
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ for (i = 0; i < dev->data->nb_queue_pairs; i++)
+ zsda_comp_qp_release(dev, i);
+
+ rte_mempool_free(comp_dev->xformpool);
+ comp_dev->xformpool = NULL;
+
+ return ZSDA_SUCCESS;
+}
+
+static uint16_t
+zsda_comp_max_nb_qps(void)
+{
+ uint16_t comp = zsda_nb_qps.encomp;
+ uint16_t decomp = zsda_nb_qps.decomp;
+ uint16_t min = 0;
+
+ if ((comp == MAX_QPS_ON_FUNCTION) ||
+ (decomp == MAX_QPS_ON_FUNCTION))
+ min = MAX_QPS_ON_FUNCTION;
+ else
+ min = (comp < decomp) ? comp : decomp;
+ if (min == 0)
+ return MAX_QPS_ON_FUNCTION;
+ return min;
+}
+
+static void
+zsda_comp_dev_info_get(struct rte_compressdev *dev,
+ struct rte_compressdev_info *info)
+{
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ if (info != NULL) {
+ info->max_nb_queue_pairs = zsda_comp_max_nb_qps();
+ info->feature_flags = dev->feature_flags;
+ info->capabilities = comp_dev->zsda_dev_capabilities;
+ }
+}
+
static struct rte_compressdev_ops compress_zsda_ops = {
- .dev_configure = NULL,
- .dev_start = NULL,
- .dev_stop = NULL,
- .dev_close = NULL,
- .dev_infos_get = NULL,
+ .dev_configure = zsda_comp_dev_config,
+ .dev_start = zsda_comp_dev_start,
+ .dev_stop = zsda_comp_dev_stop,
+ .dev_close = zsda_comp_dev_close,
+ .dev_infos_get = zsda_comp_dev_info_get,
.stats_get = NULL,
.stats_reset = NULL,
@@ -121,6 +253,8 @@ zsda_comp_dev_destroy(struct zsda_pci_device *zsda_pci_dev)
if (rte_eal_process_type() == RTE_PROC_PRIMARY)
rte_memzone_free(zsda_pci_dev->comp_dev->capa_mz);
+ zsda_comp_dev_close(comp_dev->compressdev);
+
rte_compressdev_pmd_destroy(comp_dev->compressdev);
zsda_pci_dev->comp_dev = NULL;
diff --git a/drivers/compress/zsda/zsda_comp_pmd.h b/drivers/compress/zsda/zsda_comp_pmd.h
index c6ef57af8e..8d76ef2bcc 100644
--- a/drivers/compress/zsda/zsda_comp_pmd.h
+++ b/drivers/compress/zsda/zsda_comp_pmd.h
@@ -13,6 +13,11 @@
/**< ZSDA Compression PMD driver name */
#define COMPRESSDEV_NAME_ZSDA_PMD compress_zsda
+struct zsda_comp_xform {
+ enum rte_comp_xform_type type;
+ enum rte_comp_checksum_type checksum_type;
+};
+
int zsda_comp_dev_create(struct zsda_pci_device *zsda_pci_dev);
int zsda_comp_dev_destroy(struct zsda_pci_device *zsda_pci_dev);
--
2.27.0