[dpdk-dev] [PATCH v6 14/16] cryptodev: remove attach/detach session API

[Pablo de Lara <pablo.de.lara.guarch@intel.com>]

As announced in the previous release,
The API to attach/dettach a session to a queue pair
is removed, as it was only used in DPAA, and it is not
actually needed.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
---
 doc/guides/rel_notes/deprecation.rst           |  8 ----
 doc/guides/rel_notes/release_18_08.rst         |  2 +
 drivers/crypto/dpaa_sec/dpaa_sec.c             | 32 +--------------
 drivers/crypto/virtio/virtio_cryptodev.c       |  4 +-
 lib/librte_cryptodev/rte_cryptodev.c           | 54 --------------------------
 lib/librte_cryptodev/rte_cryptodev.h           | 36 -----------------
 lib/librte_cryptodev/rte_cryptodev_pmd.h       | 30 --------------
 lib/librte_cryptodev/rte_cryptodev_version.map |  2 -
 8 files changed, 4 insertions(+), 164 deletions(-)

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 62d635b74..8bdaaaf5d 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -97,11 +97,3 @@ Deprecation Notices
   - ``rte_pdump_set_socket_dir`` will be removed;
   - The parameter, ``path``, of ``rte_pdump_init`` will be removed;
   - The enum ``rte_pdump_socktype`` will be removed.
-
-* cryptodev: The following changes will be made in the library
-  for 18.08:
-
-  - Functions ``rte_cryptodev_queue_pair_attach_sym_session()`` and
-    ``rte_cryptodev_queue_pair_dettach_sym_session()`` will be deprecated from
-    18.05 and removed in 18.08, as there are no drivers doing anything useful
-    with them.
diff --git a/doc/guides/rel_notes/release_18_08.rst b/doc/guides/rel_notes/release_18_08.rst
index 9d8b0457b..b819b3bc0 100644
--- a/doc/guides/rel_notes/release_18_08.rst
+++ b/doc/guides/rel_notes/release_18_08.rst
@@ -69,6 +69,8 @@ API Changes
 
   - ``rte_cryptodev_queue_pair_start``
   - ``rte_cryptodev_queue_pair_stop``
+  - ``rte_cryptodev_queue_pair_attach_sym_session``
+  - ``rte_cryptodev_queue_pair_detach_sym_session``
 
 * cryptodev: Following functions were deprecated and are replaced by
   other functions in 18.08:
diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.c b/drivers/crypto/dpaa_sec/dpaa_sec.c
index 69965cd87..a83dd1801 100644
--- a/drivers/crypto/dpaa_sec/dpaa_sec.c
+++ b/drivers/crypto/dpaa_sec/dpaa_sec.c
@@ -1734,34 +1734,6 @@ dpaa_sec_attach_sess_q(struct dpaa_sec_qp *qp, dpaa_sec_session *sess)
 	return ret;
 }
 
-static int
-dpaa_sec_qp_attach_sess(struct rte_cryptodev *dev __rte_unused,
-			uint16_t qp_id __rte_unused,
-			void *ses __rte_unused)
-{
-	PMD_INIT_FUNC_TRACE();
-	return 0;
-}
-
-static int
-dpaa_sec_qp_detach_sess(struct rte_cryptodev *dev,
-			uint16_t qp_id  __rte_unused,
-			void *ses)
-{
-	dpaa_sec_session *sess = ses;
-	struct dpaa_sec_dev_private *qi = dev->data->dev_private;
-
-	PMD_INIT_FUNC_TRACE();
-
-	if (sess->inq)
-		dpaa_sec_detach_rxq(qi, sess->inq);
-	sess->inq = NULL;
-
-	sess->qp = NULL;
-
-	return 0;
-}
-
 static int
 dpaa_sec_set_session_parameters(struct rte_cryptodev *dev,
 			    struct rte_crypto_sym_xform *xform,	void *sess)
@@ -2210,9 +2182,7 @@ static struct rte_cryptodev_ops crypto_ops = {
 	.queue_pair_count     = dpaa_sec_queue_pair_count,
 	.session_get_size     = dpaa_sec_session_get_size,
 	.session_configure    = dpaa_sec_session_configure,
-	.session_clear        = dpaa_sec_session_clear,
-	.qp_attach_session    = dpaa_sec_qp_attach_sess,
-	.qp_detach_session    = dpaa_sec_qp_detach_sess,
+	.session_clear        = dpaa_sec_session_clear
 };
 
 static const struct rte_security_capability *
diff --git a/drivers/crypto/virtio/virtio_cryptodev.c b/drivers/crypto/virtio/virtio_cryptodev.c
index ce5816b75..be6d5d7dc 100644
--- a/drivers/crypto/virtio/virtio_cryptodev.c
+++ b/drivers/crypto/virtio/virtio_cryptodev.c
@@ -520,9 +520,7 @@ static struct rte_cryptodev_ops virtio_crypto_dev_ops = {
 	/* Crypto related operations */
 	.session_get_size	= virtio_crypto_sym_get_session_private_size,
 	.session_configure	= virtio_crypto_sym_configure_session,
-	.session_clear		= virtio_crypto_sym_clear_session,
-	.qp_attach_session = NULL,
-	.qp_detach_session = NULL
+	.session_clear		= virtio_crypto_sym_clear_session
 };
 
 static void
diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index 754509c9c..745ea1cac 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -1095,60 +1095,6 @@ rte_cryptodev_sym_session_create(struct rte_mempool *mp)
 	return sess;
 }
 
-int
-rte_cryptodev_queue_pair_attach_sym_session(uint8_t dev_id, uint16_t qp_id,
-		struct rte_cryptodev_sym_session *sess)
-{
-	struct rte_cryptodev *dev;
-
-	if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
-		CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
-		return -EINVAL;
-	}
-
-	dev = &rte_crypto_devices[dev_id];
-
-	/* The API is optional, not returning error if driver do not suuport */
-	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_attach_session, 0);
-
-	void *sess_priv = get_session_private_data(sess, dev->driver_id);
-
-	if (dev->dev_ops->qp_attach_session(dev, qp_id, sess_priv)) {
-		CDEV_LOG_ERR("dev_id %d failed to attach qp: %d with session",
-				dev_id, qp_id);
-		return -EPERM;
-	}
-
-	return 0;
-}
-
-int
-rte_cryptodev_queue_pair_detach_sym_session(uint8_t dev_id, uint16_t qp_id,
-		struct rte_cryptodev_sym_session *sess)
-{
-	struct rte_cryptodev *dev;
-
-	if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
-		CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
-		return -EINVAL;
-	}
-
-	dev = &rte_crypto_devices[dev_id];
-
-	/* The API is optional, not returning error if driver do not suuport */
-	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_detach_session, 0);
-
-	void *sess_priv = get_session_private_data(sess, dev->driver_id);
-
-	if (dev->dev_ops->qp_detach_session(dev, qp_id, sess_priv)) {
-		CDEV_LOG_ERR("dev_id %d failed to detach qp: %d from session",
-				dev_id, qp_id);
-		return -EPERM;
-	}
-
-	return 0;
-}
-
 int
 rte_cryptodev_sym_session_clear(uint8_t dev_id,
 		struct rte_cryptodev_sym_session *sess)
diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index 49e9cba11..8fd304524 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -940,42 +940,6 @@ rte_cryptodev_sym_get_header_session_size(void);
 unsigned int
 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id);
 
-/**
- * @deprecated
- * Attach queue pair with sym session.
- *
- * @param	dev_id		Device to which the session will be attached.
- * @param	qp_id		Queue pair to which the session will be attached.
- * @param	session		Session pointer previously allocated by
- *				*rte_cryptodev_sym_session_create*.
- *
- * @return
- *  - On success, zero.
- *  - On failure, a negative value.
- */
-__rte_deprecated
-int
-rte_cryptodev_queue_pair_attach_sym_session(uint8_t dev_id, uint16_t qp_id,
-		struct rte_cryptodev_sym_session *session);
-
-/**
- * @deprecated
- * Detach queue pair with sym session.
- *
- * @param	dev_id		Device to which the session is attached.
- * @param	qp_id		Queue pair to which the session is attached.
- * @param	session		Session pointer previously allocated by
- *				*rte_cryptodev_sym_session_create*.
- *
- * @return
- *  - On success, zero.
- *  - On failure, a negative value.
- */
-__rte_deprecated
-int
-rte_cryptodev_queue_pair_detach_sym_session(uint8_t dev_id, uint16_t qp_id,
-		struct rte_cryptodev_sym_session *session);
-
 /**
  * Provide driver identifier.
  *
diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h b/lib/librte_cryptodev/rte_cryptodev_pmd.h
index 641dd1369..ec4f1ecfb 100644
--- a/lib/librte_cryptodev/rte_cryptodev_pmd.h
+++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h
@@ -278,32 +278,6 @@ typedef int (*cryptodev_sym_configure_session_t)(struct rte_cryptodev *dev,
 typedef void (*cryptodev_sym_free_session_t)(struct rte_cryptodev *dev,
 		struct rte_cryptodev_sym_session *sess);
 
-/**
- * Optional API for drivers to attach sessions with queue pair.
- * @param	dev		Crypto device pointer
- * @param	qp_id		queue pair id for attaching session
- * @param	priv_sess       Pointer to cryptodev's private session structure
- * @return
- *  - Return 0 on success
- */
-typedef int (*cryptodev_sym_queue_pair_attach_session_t)(
-		  struct rte_cryptodev *dev,
-		  uint16_t qp_id,
-		  void *session_private);
-
-/**
- * Optional API for drivers to detach sessions from queue pair.
- * @param	dev		Crypto device pointer
- * @param	qp_id		queue pair id for detaching session
- * @param	priv_sess       Pointer to cryptodev's private session structure
- * @return
- *  - Return 0 on success
- */
-typedef int (*cryptodev_sym_queue_pair_detach_session_t)(
-		  struct rte_cryptodev *dev,
-		  uint16_t qp_id,
-		  void *session_private);
-
 /** Crypto device operations function pointer table */
 struct rte_cryptodev_ops {
 	cryptodev_configure_t dev_configure;	/**< Configure device. */
@@ -331,10 +305,6 @@ struct rte_cryptodev_ops {
 	/**< Configure a Crypto session. */
 	cryptodev_sym_free_session_t session_clear;
 	/**< Clear a Crypto sessions private data. */
-	cryptodev_sym_queue_pair_attach_session_t qp_attach_session;
-	/**< Attach session to queue pair. */
-	cryptodev_sym_queue_pair_detach_session_t qp_detach_session;
-	/**< Detach session from queue pair. */
 };
 
 
diff --git a/lib/librte_cryptodev/rte_cryptodev_version.map b/lib/librte_cryptodev/rte_cryptodev_version.map
index 0ab6d5195..77abd8ddc 100644
--- a/lib/librte_cryptodev/rte_cryptodev_version.map
+++ b/lib/librte_cryptodev/rte_cryptodev_version.map
@@ -50,8 +50,6 @@ DPDK_17.05 {
 
 	rte_cryptodev_get_auth_algo_enum;
 	rte_cryptodev_get_cipher_algo_enum;
-	rte_cryptodev_queue_pair_attach_sym_session;
-	rte_cryptodev_queue_pair_detach_sym_session;
 
 } DPDK_17.02;
 
-- 
2.14.4