diff mbox series

[v2,04/15] crypto/mlx5: add basic operations

Message ID 20210429154712.2820159-5-matan@nvidia.com (mailing list archive)
State Superseded
Delegated to: akhil goyal
Headers show
Series drivers: introduce mlx5 crypto PMD | expand

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Matan Azrad April 29, 2021, 3:47 p.m. UTC
From: Shiri Kuzin <shirik@nvidia.com>

The basic dev control operations are configure, close and get info.

Extended the existing support of configure and close:
	-mlx5_crypto_dev_configure- function used to configure device.
	-mlx5_crypto_dev_close-  function used to close a configured
	 device.

Added support of get info function:
	-mlx5_crypto_dev_infos_get- function used to get specific
	 information of a device.

Added config struct to user private data with the fields socket id,
number of queue pairs and feature flags to be disabled.

Signed-off-by: Shiri Kuzin <shirik@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
 drivers/crypto/mlx5/mlx5_crypto.c | 46 +++++++++++++++++++++++++++----
 drivers/crypto/mlx5/mlx5_crypto.h |  1 +
 2 files changed, 42 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/crypto/mlx5/mlx5_crypto.c b/drivers/crypto/mlx5/mlx5_crypto.c
index c494ed00d1..cc11cabbea 100644
--- a/drivers/crypto/mlx5/mlx5_crypto.c
+++ b/drivers/crypto/mlx5/mlx5_crypto.c
@@ -19,6 +19,7 @@ 
 
 #define MLX5_CRYPTO_DRIVER_NAME mlx5_crypto
 #define MLX5_CRYPTO_LOG_NAME pmd.crypto.mlx5
+#define MLX5_CRYPTO_MAX_QPS 1024
 
 TAILQ_HEAD(mlx5_crypto_privs, mlx5_crypto_priv) mlx5_crypto_priv_list =
 				TAILQ_HEAD_INITIALIZER(mlx5_crypto_priv_list);
@@ -28,6 +29,9 @@  int mlx5_crypto_logtype;
 
 uint8_t mlx5_crypto_driver_id;
 
+const struct rte_cryptodev_capabilities
+		mlx5_crypto_caps[RTE_CRYPTO_OP_TYPE_UNDEFINED];
+
 static const char mlx5_crypto_drv_name[] = RTE_STR(MLX5_CRYPTO_DRIVER_NAME);
 
 static const struct rte_driver mlx5_drv = {
@@ -49,22 +53,47 @@  struct mlx5_crypto_session {
 	uint32_t dek_id; /* DEK ID */
 } __rte_packed;
 
-static unsigned int
-mlx5_crypto_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
+static void
+mlx5_crypto_dev_infos_get(struct rte_cryptodev *dev,
+			  struct rte_cryptodev_info *dev_info)
 {
-	return sizeof(struct mlx5_crypto_session);
+	RTE_SET_USED(dev);
+	if (dev_info != NULL) {
+		dev_info->driver_id = mlx5_crypto_driver_id;
+		dev_info->feature_flags = 0;
+		dev_info->capabilities = mlx5_crypto_caps;
+		dev_info->max_nb_queue_pairs = MLX5_CRYPTO_MAX_QPS;
+		dev_info->min_mbuf_headroom_req = 0;
+		dev_info->min_mbuf_tailroom_req = 0;
+		dev_info->sym.max_nb_sessions = 0;
+		/*
+		 * If 0, the device does not have any limitation in number of
+		 * sessions that can be used.
+		 */
+	}
 }
 
 static int
 mlx5_crypto_dev_configure(struct rte_cryptodev *dev,
-		struct rte_cryptodev_config *config __rte_unused)
+			  struct rte_cryptodev_config *config)
 {
 	struct mlx5_crypto_priv *priv = dev->data->dev_private;
 
+	if (config == NULL) {
+		DRV_LOG(ERR, "Invalid crypto dev configure parameters.");
+		return -EINVAL;
+	}
+	if ((config->ff_disable & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) != 0) {
+		DRV_LOG(ERR,
+			"Disabled symmetric crypto feature is not supported.");
+		return -ENOTSUP;
+	}
 	if (mlx5_crypto_dek_setup(priv) != 0) {
 		DRV_LOG(ERR, "Dek hash list creation has failed.");
 		return -ENOMEM;
 	}
+	priv->dev_config = *config;
+	DRV_LOG(DEBUG, "Device %u was configured.", dev->driver_id);
 	return 0;
 }
 
@@ -74,9 +103,16 @@  mlx5_crypto_dev_close(struct rte_cryptodev *dev)
 	struct mlx5_crypto_priv *priv = dev->data->dev_private;
 
 	mlx5_crypto_dek_unset(priv);
+	DRV_LOG(DEBUG, "Device %u was closed.", dev->driver_id);
 	return 0;
 }
 
+static unsigned int
+mlx5_crypto_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
+{
+	return sizeof(struct mlx5_crypto_session);
+}
+
 static int
 mlx5_crypto_sym_session_configure(struct rte_cryptodev *dev,
 				  struct rte_crypto_sym_xform *xform,
@@ -153,7 +189,7 @@  static struct rte_cryptodev_ops mlx5_crypto_ops = {
 	.dev_start			= NULL,
 	.dev_stop			= NULL,
 	.dev_close			= mlx5_crypto_dev_close,
-	.dev_infos_get			= NULL,
+	.dev_infos_get			= mlx5_crypto_dev_infos_get,
 	.stats_get			= NULL,
 	.stats_reset			= NULL,
 	.queue_pair_setup		= NULL,
diff --git a/drivers/crypto/mlx5/mlx5_crypto.h b/drivers/crypto/mlx5/mlx5_crypto.h
index 4ec67a7e0f..5e270d3d5a 100644
--- a/drivers/crypto/mlx5/mlx5_crypto.h
+++ b/drivers/crypto/mlx5/mlx5_crypto.h
@@ -24,6 +24,7 @@  struct mlx5_crypto_priv {
 	uint32_t pdn; /* Protection Domain number. */
 	struct ibv_pd *pd;
 	struct mlx5_hlist *dek_hlist; /* Dek hash list. */
+	struct rte_cryptodev_config dev_config;
 };
 
 struct mlx5_crypto_dek {