[dpdk-dev] [PATCH v6 03/10] compress/isal: add basic pmd ops

[Lee Daly]

Add basic device poll mode driver operations to give ability to start, stop,
close device etc.

Signed-off-by: Lee Daly <lee.daly at intel.com>
---
 drivers/compress/isal/isal_compress_pmd_ops.c     | 63 +++++++++++++++++++++--
 drivers/compress/isal/isal_compress_pmd_private.h | 12 +++++
 2 files changed, 70 insertions(+), 5 deletions(-)

diff --git a/drivers/compress/isal/isal_compress_pmd_ops.c b/drivers/compress/isal/isal_compress_pmd_ops.c
index cff05b4..2f828c5 100644
--- a/drivers/compress/isal/isal_compress_pmd_ops.c
+++ b/drivers/compress/isal/isal_compress_pmd_ops.c
@@ -2,18 +2,71 @@
  * Copyright(c) 2018 Intel Corporation
  */
 
+#include <rte_common.h>
 #include <rte_compressdev_pmd.h>
 
+#include "isal_compress_pmd_private.h"
+
+static const struct rte_compressdev_capabilities isal_pmd_capabilities[] = {
+	RTE_COMP_END_OF_CAPABILITIES_LIST()
+};
+
+/** Configure device */
+static int
+isal_comp_pmd_config(struct rte_compressdev *dev __rte_unused,
+		struct rte_compressdev_config *config __rte_unused)
+{
+	return 0;
+}
+
+/** Start device */
+static int
+isal_comp_pmd_start(__rte_unused struct rte_compressdev *dev)
+{
+	return 0;
+}
+
+/** Stop device */
+static void
+isal_comp_pmd_stop(__rte_unused struct rte_compressdev *dev)
+{
+}
+
+/** Close device */
+static int
+isal_comp_pmd_close(struct rte_compressdev *dev)
+{
+	/* Free private data */
+	struct isal_comp_private *internals = dev->data->dev_private;
+
+	rte_mempool_free(internals->priv_xform_mp);
+	return 0;
+}
+
+/** Get device info */
+static void
+isal_comp_pmd_info_get(struct rte_compressdev *dev __rte_unused,
+		struct rte_compressdev_info *dev_info)
+{
+	if (dev_info != NULL) {
+		dev_info->capabilities = isal_pmd_capabilities;
+		dev_info->feature_flags = RTE_COMPDEV_FF_CPU_AVX512 |
+				RTE_COMPDEV_FF_CPU_AVX2 |
+				RTE_COMPDEV_FF_CPU_AVX |
+				RTE_COMPDEV_FF_CPU_SSE;
+	}
+}
+
 struct rte_compressdev_ops isal_pmd_ops = {
-		.dev_configure		= NULL,
-		.dev_start		= NULL,
-		.dev_stop		= NULL,
-		.dev_close		= NULL,
+		.dev_configure		= isal_comp_pmd_config,
+		.dev_start		= isal_comp_pmd_start,
+		.dev_stop		= isal_comp_pmd_stop,
+		.dev_close		= isal_comp_pmd_close,
 
 		.stats_get		= NULL,
 		.stats_reset		= NULL,
 
-		.dev_infos_get		= NULL,
+		.dev_infos_get		= isal_comp_pmd_info_get,
 
 		.queue_pair_setup	= NULL,
 		.queue_pair_release	= NULL,
diff --git a/drivers/compress/isal/isal_compress_pmd_private.h b/drivers/compress/isal/isal_compress_pmd_private.h
index 09ecfb7..efbe68b 100644
--- a/drivers/compress/isal/isal_compress_pmd_private.h
+++ b/drivers/compress/isal/isal_compress_pmd_private.h
@@ -18,6 +18,18 @@ struct isal_comp_private {
 	struct rte_mempool *priv_xform_mp;
 };
 
+/** ISA-L queue pair */
+struct isal_comp_qp {
+	/* Queue Pair Identifier */
+	uint16_t id;
+	/* Unique Queue Pair Name */
+	char name[RTE_COMPRESSDEV_NAME_MAX_LEN];
+	/* Queue pair statistics */
+	struct rte_compressdev_stats qp_stats;
+	/* Number of free elements on ring */
+	uint16_t num_free_elements;
+} __rte_cache_aligned;
+
 /** device specific operations function pointer structure */
 extern struct rte_compressdev_ops *isal_compress_pmd_ops;
 
-- 
2.7.4