[dpdk-dev] [PATCH v3 03/19] crypto/ccp: support basic pmd ops

Ravi Kumar Ravi1.kumar at amd.com
Wed Jan 10 10:42:43 CET 2018


Signed-off-by: Ravi Kumar <Ravi1.kumar at amd.com>
---
 drivers/crypto/ccp/ccp_dev.c         |  9 ++++++
 drivers/crypto/ccp/ccp_dev.h         |  9 ++++++
 drivers/crypto/ccp/ccp_pmd_ops.c     | 61 +++++++++++++++++++++++++++++++++---
 drivers/crypto/ccp/ccp_pmd_private.h | 43 +++++++++++++++++++++++++
 4 files changed, 117 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/ccp/ccp_dev.c b/drivers/crypto/ccp/ccp_dev.c
index 5af2b49..57bccf4 100644
--- a/drivers/crypto/ccp/ccp_dev.c
+++ b/drivers/crypto/ccp/ccp_dev.c
@@ -52,6 +52,15 @@
 struct ccp_list ccp_list = TAILQ_HEAD_INITIALIZER(ccp_list);
 static int ccp_dev_id;
 
+int
+ccp_dev_start(struct rte_cryptodev *dev)
+{
+	struct ccp_private *priv = dev->data->dev_private;
+
+	priv->last_dev = TAILQ_FIRST(&ccp_list);
+	return 0;
+}
+
 static const struct rte_memzone *
 ccp_queue_dma_zone_reserve(const char *queue_name,
 			   uint32_t queue_size,
diff --git a/drivers/crypto/ccp/ccp_dev.h b/drivers/crypto/ccp/ccp_dev.h
index fe05bf0..b321530 100644
--- a/drivers/crypto/ccp/ccp_dev.h
+++ b/drivers/crypto/ccp/ccp_dev.h
@@ -104,6 +104,10 @@
 #define LSB_ITEM_SIZE                   32
 #define SLSB_MAP_SIZE                   (MAX_LSB_CNT * LSB_SIZE)
 
+/* General CCP Defines */
+
+#define CCP_SB_BYTES                    32
+
 /* bitmap */
 enum {
 	BITS_PER_WORD = sizeof(unsigned long) * CHAR_BIT
@@ -299,6 +303,11 @@ high32_value(unsigned long addr)
 	return ((uint64_t)addr >> 32) & 0x00000ffff;
 }
 
+/*
+ * Start CCP device
+ */
+int ccp_dev_start(struct rte_cryptodev *dev);
+
 /**
  * Detect ccp platform and initialize all ccp devices
  *
diff --git a/drivers/crypto/ccp/ccp_pmd_ops.c b/drivers/crypto/ccp/ccp_pmd_ops.c
index bc4120b..b6f8c48 100644
--- a/drivers/crypto/ccp/ccp_pmd_ops.c
+++ b/drivers/crypto/ccp/ccp_pmd_ops.c
@@ -28,18 +28,69 @@
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <string.h>
+
+#include <rte_common.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_malloc.h>
+
+#include "ccp_pmd_private.h"
+#include "ccp_dev.h"
+
+static const struct rte_cryptodev_capabilities ccp_pmd_capabilities[] = {
+	RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
+};
+
+static int
+ccp_pmd_config(struct rte_cryptodev *dev __rte_unused,
+	       struct rte_cryptodev_config *config __rte_unused)
+{
+	return 0;
+}
+
+static int
+ccp_pmd_start(struct rte_cryptodev *dev)
+{
+	return ccp_dev_start(dev);
+}
+
+static void
+ccp_pmd_stop(struct rte_cryptodev *dev __rte_unused)
+{
+
+}
+
+static int
+ccp_pmd_close(struct rte_cryptodev *dev __rte_unused)
+{
+	return 0;
+}
+
+static void
+ccp_pmd_info_get(struct rte_cryptodev *dev,
+		 struct rte_cryptodev_info *dev_info)
+{
+	struct ccp_private *internals = dev->data->dev_private;
+
+	if (dev_info != NULL) {
+		dev_info->driver_id = dev->driver_id;
+		dev_info->feature_flags = dev->feature_flags;
+		dev_info->capabilities = ccp_pmd_capabilities;
+		dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
+		dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
+	}
+}
 
 struct rte_cryptodev_ops ccp_ops = {
-		.dev_configure		= NULL,
-		.dev_start		= NULL,
-		.dev_stop		= NULL,
-		.dev_close		= NULL,
+		.dev_configure		= ccp_pmd_config,
+		.dev_start		= ccp_pmd_start,
+		.dev_stop		= ccp_pmd_stop,
+		.dev_close		= ccp_pmd_close,
 
 		.stats_get		= NULL,
 		.stats_reset		= NULL,
 
-		.dev_infos_get		= NULL,
+		.dev_infos_get		= ccp_pmd_info_get,
 
 		.queue_pair_setup	= NULL,
 		.queue_pair_release	= NULL,
diff --git a/drivers/crypto/ccp/ccp_pmd_private.h b/drivers/crypto/ccp/ccp_pmd_private.h
index f5b6061..d2283e8 100644
--- a/drivers/crypto/ccp/ccp_pmd_private.h
+++ b/drivers/crypto/ccp/ccp_pmd_private.h
@@ -60,13 +60,56 @@
 #define CCP_NB_MAX_DESCRIPTORS 1024
 #define CCP_MAX_BURST 64
 
+#include "ccp_dev.h"
+
 /* private data structure for each CCP crypto device */
 struct ccp_private {
 	unsigned int max_nb_qpairs;	/**< Max number of queue pairs */
 	unsigned int max_nb_sessions;	/**< Max number of sessions */
 	uint8_t crypto_num_dev;		/**< Number of working crypto devices */
+	struct ccp_device *last_dev;	/**< Last working crypto device */
 };
 
+/* CCP batch info */
+struct ccp_batch_info {
+	struct rte_crypto_op *op[CCP_MAX_BURST];
+	/**< optable populated at enque time from app*/
+	int op_idx;
+	struct ccp_queue *cmd_q;
+	uint16_t opcnt;
+	/**< no. of crypto ops in batch*/
+	int desccnt;
+	/**< no. of ccp queue descriptors*/
+	uint32_t head_offset;
+	/**< ccp queue head tail offsets time of enqueue*/
+	uint32_t tail_offset;
+	uint8_t lsb_buf[CCP_SB_BYTES * CCP_MAX_BURST];
+	phys_addr_t lsb_buf_phys;
+	/**< LSB intermediate buf for passthru */
+	int lsb_buf_idx;
+} __rte_cache_aligned;
+
+/**< CCP crypto queue pair */
+struct ccp_qp {
+	uint16_t id;
+	/**< Queue Pair Identifier */
+	char name[RTE_CRYPTODEV_NAME_LEN];
+	/**< Unique Queue Pair Name */
+	struct rte_ring *processed_pkts;
+	/**< Ring for placing process packets */
+	struct rte_mempool *sess_mp;
+	/**< Session Mempool */
+	struct rte_mempool *batch_mp;
+	/**< Session Mempool for batch info */
+	struct rte_cryptodev_stats qp_stats;
+	/**< Queue pair statistics */
+	struct ccp_batch_info *b_info;
+	/**< Store ops pulled out of queue */
+	struct rte_cryptodev *dev;
+	/**< rte crypto device to which this qp belongs */
+} __rte_cache_aligned;
+
+
 /**< device specific operations function pointer structure */
 extern struct rte_cryptodev_ops *ccp_pmd_ops;
 
-- 
2.7.4



More information about the dev mailing list