@@ -25,6 +25,8 @@
* - runtime data
*/
struct qat_sym_dev_private;
+struct qat_comp_dev_private;
+
struct qat_pci_device {
/* Data used by all services */
@@ -55,6 +57,8 @@ struct qat_pci_device {
*/
/* Data relating to compression service */
+ struct qat_comp_dev_private *comp_dev;
+ /**< link back to compressdev private data */
/* Data relating to asymmetric crypto service */
@@ -15,6 +15,7 @@
#include "qat_device.h"
#include "qat_qp.h"
#include "qat_sym.h"
+#include "qat_comp.h"
#include "adf_transport_access_macros.h"
@@ -606,8 +607,8 @@ qat_dequeue_op_burst(void *qp, void **ops, uint16_t nb_ops)
if (tmp_qp->service_type == QAT_SERVICE_SYMMETRIC)
qat_sym_process_response(ops, resp_msg);
- /* add qat_asym_process_response here */
- /* add qat_comp_process_response here */
+ else if (tmp_qp->service_type == QAT_SERVICE_COMPRESSION)
+ qat_comp_process_response(ops, resp_msg);
head = adf_modulo(head + rx_queue->msg_size,
rx_queue->modulo_mask);
@@ -633,3 +634,9 @@ qat_dequeue_op_burst(void *qp, void **ops, uint16_t nb_ops)
}
return resp_counter;
}
+
+__attribute__((weak)) int
+qat_comp_process_response(void **op __rte_unused, uint8_t *resp __rte_unused)
+{
+ return 0;
+}
@@ -103,4 +103,9 @@ qat_qp_setup(struct qat_pci_device *qat_dev,
int
qat_qps_per_service(const struct qat_qp_hw_data *qp_hw_data,
enum qat_service_type service);
+
+/* Needed for weak function*/
+int
+qat_comp_process_response(void **op __rte_unused, uint8_t *resp __rte_unused);
+
#endif /* _QAT_QP_H_ */
@@ -5,6 +5,15 @@
#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_ADLER32_CHECKSUM |
+ RTE_COMP_FF_HUFFMAN_FIXED,
+ .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)
@@ -226,14 +235,14 @@ qat_comp_dev_info_get(struct rte_compressdev *dev,
}
}
-uint16_t
+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);
}
-uint16_t
+static uint16_t
qat_comp_pmd_dequeue_op_burst(void *qp, struct rte_comp_op **ops,
uint16_t nb_ops)
{
@@ -241,7 +250,7 @@ qat_comp_pmd_dequeue_op_burst(void *qp, struct rte_comp_op **ops,
}
-struct rte_compressdev_ops compress_qat_ops = {
+static struct rte_compressdev_ops compress_qat_ops = {
/* Device related operations */
.dev_configure = qat_comp_dev_config,
@@ -259,3 +268,83 @@ struct rte_compressdev_ops compress_qat_ops = {
.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_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;
+}
@@ -27,16 +27,13 @@ struct qat_comp_dev_private {
/**< The device's memory for intermediate buffers */
struct rte_mempool *xformpool;
/**< The device's pool for qat_comp_xforms */
-
};
-uint16_t
-qat_comp_pmd_enqueue_op_burst(void *qp, struct rte_comp_op **ops,
- uint16_t nb_ops);
+int
+qat_comp_dev_create(struct qat_pci_device *qat_pci_dev);
-uint16_t
-qat_comp_pmd_dequeue_op_burst(void *qp, struct rte_comp_op **ops,
- uint16_t nb_ops);
+int
+qat_comp_dev_destroy(struct qat_pci_device *qat_pci_dev);
#endif
#endif /* _QAT_COMP_PMD_H_ */