[PATCH 06/12] cryptodev: move vdev functions to a separate file

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

Move all functions handling virtual devices to a separate
header file "rte_cryptodev_vdev.h", in order to leave only
generic functions for any device in the rest of the files.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
---
 drivers/crypto/aesni_gcm/aesni_gcm_pmd.c       |   1 +
 drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c     |   1 +
 drivers/crypto/armv8/rte_armv8_pmd.c           |   1 +
 drivers/crypto/kasumi/rte_kasumi_pmd.c         |   1 +
 drivers/crypto/null/null_crypto_pmd.c          |   1 +
 drivers/crypto/openssl/rte_openssl_pmd.c       |   1 +
 drivers/crypto/scheduler/scheduler_pmd.c       |  52 +-----
 drivers/crypto/scheduler/scheduler_pmd_ops.c   |   1 +
 drivers/crypto/snow3g/rte_snow3g_pmd.c         |   1 +
 drivers/crypto/zuc/rte_zuc_pmd.c               |   1 +
 lib/librte_cryptodev/Makefile                  |   1 +
 lib/librte_cryptodev/rte_cryptodev.c           | 149 ----------------
 lib/librte_cryptodev/rte_cryptodev.h           |  29 ---
 lib/librte_cryptodev/rte_cryptodev_pmd.h       |  18 --
 lib/librte_cryptodev/rte_cryptodev_vdev.h      | 236 +++++++++++++++++++++++++
 lib/librte_cryptodev/rte_cryptodev_version.map |  10 +-
 16 files changed, 248 insertions(+), 256 deletions(-)
 create mode 100644 lib/librte_cryptodev/rte_cryptodev_vdev.h

diff --git a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c
index 246f71e..4d7aa4f 100644
--- a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c
+++ b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c
@@ -35,6 +35,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
index 49d3f32..80ab7ec 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
@@ -34,6 +34,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
diff --git a/drivers/crypto/armv8/rte_armv8_pmd.c b/drivers/crypto/armv8/rte_armv8_pmd.c
index 29905d6..8ed26db 100644
--- a/drivers/crypto/armv8/rte_armv8_pmd.c
+++ b/drivers/crypto/armv8/rte_armv8_pmd.c
@@ -36,6 +36,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
diff --git a/drivers/crypto/kasumi/rte_kasumi_pmd.c b/drivers/crypto/kasumi/rte_kasumi_pmd.c
index a95f503..ac80473 100644
--- a/drivers/crypto/kasumi/rte_kasumi_pmd.c
+++ b/drivers/crypto/kasumi/rte_kasumi_pmd.c
@@ -35,6 +35,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
diff --git a/drivers/crypto/null/null_crypto_pmd.c b/drivers/crypto/null/null_crypto_pmd.c
index 8124eba..703434f 100644
--- a/drivers/crypto/null/null_crypto_pmd.c
+++ b/drivers/crypto/null/null_crypto_pmd.c
@@ -33,6 +33,7 @@
 #include <rte_common.h>
 #include <rte_config.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 
diff --git a/drivers/crypto/openssl/rte_openssl_pmd.c b/drivers/crypto/openssl/rte_openssl_pmd.c
index 13a5129..a6438a8 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd.c
@@ -34,6 +34,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
diff --git a/drivers/crypto/scheduler/scheduler_pmd.c b/drivers/crypto/scheduler/scheduler_pmd.c
index acec102..53ebd5e 100644
--- a/drivers/crypto/scheduler/scheduler_pmd.c
+++ b/drivers/crypto/scheduler/scheduler_pmd.c
@@ -33,6 +33,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
@@ -221,57 +222,6 @@ cryptodev_scheduler_remove(struct rte_vdev_device *vdev)
 	return 0;
 }
 
-static uint8_t
-number_of_sockets(void)
-{
-	int sockets = 0;
-	int i;
-	const struct rte_memseg *ms = rte_eal_get_physmem_layout();
-
-	for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
-		if (sockets < ms[i].socket_id)
-			sockets = ms[i].socket_id;
-	}
-
-	/* Number of sockets = maximum socket_id + 1 */
-	return ++sockets;
-}
-
-/** Parse integer from integer argument */
-static int
-parse_integer_arg(const char *key __rte_unused,
-		const char *value, void *extra_args)
-{
-	int *i = (int *) extra_args;
-
-	*i = atoi(value);
-	if (*i < 0) {
-		CS_LOG_ERR("Argument has to be positive.\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/** Parse name */
-static int
-parse_name_arg(const char *key __rte_unused,
-		const char *value, void *extra_args)
-{
-	struct rte_crypto_vdev_init_params *params = extra_args;
-
-	if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
-		CS_LOG_ERR("Invalid name %s, should be less than "
-				"%u bytes.\n", value,
-				RTE_CRYPTODEV_NAME_MAX_LEN - 1);
-		return -EINVAL;
-	}
-
-	strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
-
-	return 0;
-}
-
 /** Parse slave */
 static int
 parse_slave_arg(const char *key __rte_unused,
diff --git a/drivers/crypto/scheduler/scheduler_pmd_ops.c b/drivers/crypto/scheduler/scheduler_pmd_ops.c
index 2b5858d..4fc8b91 100644
--- a/drivers/crypto/scheduler/scheduler_pmd_ops.c
+++ b/drivers/crypto/scheduler/scheduler_pmd_ops.c
@@ -37,6 +37,7 @@
 #include <rte_dev.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_reorder.h>
 
 #include "scheduler_pmd_private.h"
diff --git a/drivers/crypto/snow3g/rte_snow3g_pmd.c b/drivers/crypto/snow3g/rte_snow3g_pmd.c
index f17c541..855be72 100644
--- a/drivers/crypto/snow3g/rte_snow3g_pmd.c
+++ b/drivers/crypto/snow3g/rte_snow3g_pmd.c
@@ -35,6 +35,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
diff --git a/drivers/crypto/zuc/rte_zuc_pmd.c b/drivers/crypto/zuc/rte_zuc_pmd.c
index ab42d06..7681587 100644
--- a/drivers/crypto/zuc/rte_zuc_pmd.c
+++ b/drivers/crypto/zuc/rte_zuc_pmd.c
@@ -35,6 +35,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
diff --git a/lib/librte_cryptodev/Makefile b/lib/librte_cryptodev/Makefile
index 18f5e8c..4d37acf 100644
--- a/lib/librte_cryptodev/Makefile
+++ b/lib/librte_cryptodev/Makefile
@@ -48,6 +48,7 @@ SYMLINK-y-include += rte_crypto.h
 SYMLINK-y-include += rte_crypto_sym.h
 SYMLINK-y-include += rte_cryptodev.h
 SYMLINK-y-include += rte_cryptodev_pmd.h
+SYMLINK-y-include += rte_cryptodev_vdev.h
 
 # versioning export map
 EXPORT_MAP := rte_cryptodev_version.map
diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index 85e4936..2a84ee6 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -101,18 +101,6 @@ struct rte_cryptodev_callback {
 	uint32_t active;			/**< Callback is executing */
 };
 
-#define RTE_CRYPTODEV_VDEV_NAME				("name")
-#define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG		("max_nb_queue_pairs")
-#define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG		("max_nb_sessions")
-#define RTE_CRYPTODEV_VDEV_SOCKET_ID			("socket_id")
-
-static const char *cryptodev_vdev_valid_params[] = {
-	RTE_CRYPTODEV_VDEV_NAME,
-	RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
-	RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
-	RTE_CRYPTODEV_VDEV_SOCKET_ID
-};
-
 /**
  * The crypto cipher algorithm strings identifiers.
  * It could be used in application command line.
@@ -233,111 +221,6 @@ rte_crypto_auth_operation_strings[] = {
 		[RTE_CRYPTO_AUTH_OP_GENERATE]	= "generate"
 };
 
-static uint8_t
-number_of_sockets(void)
-{
-	int sockets = 0;
-	int i;
-	const struct rte_memseg *ms = rte_eal_get_physmem_layout();
-
-	for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
-		if (sockets < ms[i].socket_id)
-			sockets = ms[i].socket_id;
-	}
-
-	/* Number of sockets = maximum socket_id + 1 */
-	return ++sockets;
-}
-
-/** Parse integer from integer argument */
-static int
-parse_integer_arg(const char *key __rte_unused,
-		const char *value, void *extra_args)
-{
-	int *i = extra_args;
-
-	*i = atoi(value);
-	if (*i < 0) {
-		CDEV_LOG_ERR("Argument has to be positive.");
-		return -1;
-	}
-
-	return 0;
-}
-
-/** Parse name */
-static int
-parse_name_arg(const char *key __rte_unused,
-		const char *value, void *extra_args)
-{
-	struct rte_crypto_vdev_init_params *params = extra_args;
-
-	if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
-		CDEV_LOG_ERR("Invalid name %s, should be less than "
-				"%u bytes", value,
-				RTE_CRYPTODEV_NAME_MAX_LEN - 1);
-		return -1;
-	}
-
-	strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
-
-	return 0;
-}
-
-int
-rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_init_params *params,
-		const char *input_args)
-{
-	struct rte_kvargs *kvlist = NULL;
-	int ret = 0;
-
-	if (params == NULL)
-		return -EINVAL;
-
-	if (input_args) {
-		kvlist = rte_kvargs_parse(input_args,
-				cryptodev_vdev_valid_params);
-		if (kvlist == NULL)
-			return -1;
-
-		ret = rte_kvargs_process(kvlist,
-					RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
-					&parse_integer_arg,
-					&params->max_nb_queue_pairs);
-		if (ret < 0)
-			goto free_kvlist;
-
-		ret = rte_kvargs_process(kvlist,
-					RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
-					&parse_integer_arg,
-					&params->max_nb_sessions);
-		if (ret < 0)
-			goto free_kvlist;
-
-		ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
-					&parse_integer_arg,
-					&params->socket_id);
-		if (ret < 0)
-			goto free_kvlist;
-
-		ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_NAME,
-					&parse_name_arg,
-					params);
-		if (ret < 0)
-			goto free_kvlist;
-
-		if (params->socket_id >= number_of_sockets()) {
-			CDEV_LOG_ERR("Invalid socket id specified to create "
-				"the virtual crypto device on");
-			goto free_kvlist;
-		}
-	}
-
-free_kvlist:
-	rte_kvargs_free(kvlist);
-	return ret;
-}
-
 const struct rte_cryptodev_symmetric_capability *
 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 		const struct rte_cryptodev_sym_capability_idx *idx)
@@ -666,38 +549,6 @@ rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 	return 0;
 }
 
-struct rte_cryptodev *
-rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
-		int socket_id, struct rte_vdev_device *vdev)
-{
-	struct rte_cryptodev *cryptodev;
-
-	/* allocate device structure */
-	cryptodev = rte_cryptodev_pmd_allocate(name, socket_id);
-	if (cryptodev == NULL)
-		return NULL;
-
-	/* allocate private device structure */
-	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
-		cryptodev->data->dev_private =
-				rte_zmalloc_socket("cryptodev device private",
-						dev_private_size,
-						RTE_CACHE_LINE_SIZE,
-						socket_id);
-
-		if (cryptodev->data->dev_private == NULL)
-			rte_panic("Cannot allocate memzone for private device"
-					" data");
-	}
-
-	cryptodev->device = &vdev->device;
-
-	/* initialise user call-back tail queue */
-	TAILQ_INIT(&(cryptodev->link_intr_cbs));
-
-	return cryptodev;
-}
-
 int
 rte_cryptodev_pci_probe(struct rte_pci_driver *pci_drv,
 			struct rte_pci_device *pci_dev)
diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index 89093f6..7f6fbf0 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -386,35 +386,6 @@ struct rte_cryptodev_stats {
 
 #define RTE_CRYPTODEV_NAME_MAX_LEN	(64)
 /**< Max length of name of crypto PMD */
-#define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS	8
-#define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS	2048
-
-/**
- * @internal
- * Initialisation parameters for virtual crypto devices
- */
-struct rte_crypto_vdev_init_params {
-	unsigned max_nb_queue_pairs;
-	unsigned max_nb_sessions;
-	uint8_t socket_id;
-	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
-};
-
-/**
- * Parse virtual device initialisation parameters input arguments
- * @internal
- *
- * @params	params		Initialisation parameters with defaults set.
- * @params	input_args	Command line arguments
- *
- * @return
- * 0 on successful parse
- * <0 on failure to parse
- */
-int
-rte_cryptodev_parse_vdev_init_params(
-		struct rte_crypto_vdev_init_params *params,
-		const char *input_args);
 
 /**
  * Create a virtual crypto device
diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h b/lib/librte_cryptodev/rte_cryptodev_pmd.h
index ec4ca97..0efe282 100644
--- a/lib/librte_cryptodev/rte_cryptodev_pmd.h
+++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h
@@ -456,24 +456,6 @@ struct rte_cryptodev *
 rte_cryptodev_pmd_allocate(const char *name, int socket_id);
 
 /**
- * Creates a new virtual crypto device and returns the pointer
- * to that device.
- *
- * @param	name			PMD type name
- * @param	dev_private_size	Size of crypto PMDs private data
- * @param	socket_id		Socket to allocate resources on.
- * @param	vdev			Pointer to virtual device structure.
- *
- * @return
- *   - Cryptodev pointer if device is successfully created.
- *   - NULL if device cannot be created.
- */
-struct rte_cryptodev *
-rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
-		int socket_id, struct rte_vdev_device *vdev);
-
-
-/**
  * Function for internal use by dummy drivers primarily, e.g. ring-based
  * driver.
  * Release the specified cryptodev device.
diff --git a/lib/librte_cryptodev/rte_cryptodev_vdev.h b/lib/librte_cryptodev/rte_cryptodev_vdev.h
new file mode 100644
index 0000000..6ac337b
--- /dev/null
+++ b/lib/librte_cryptodev/rte_cryptodev_vdev.h
@@ -0,0 +1,236 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2017 Intel Corporation. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of the copyright holder nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _RTE_CRYPTODEV_VDEV_H_
+#define _RTE_CRYPTODEV_VDEV_H_
+
+#include <rte_vdev.h>
+
+#define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS	8
+#define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS	2048
+
+#define RTE_CRYPTODEV_VDEV_NAME				("name")
+#define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG		("max_nb_queue_pairs")
+#define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG		("max_nb_sessions")
+#define RTE_CRYPTODEV_VDEV_SOCKET_ID			("socket_id")
+
+static const char *cryptodev_vdev_valid_params[] = {
+	RTE_CRYPTODEV_VDEV_NAME,
+	RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
+	RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
+	RTE_CRYPTODEV_VDEV_SOCKET_ID
+};
+
+/**
+ * @internal
+ * Initialisation parameters for virtual crypto devices
+ */
+struct rte_crypto_vdev_init_params {
+	unsigned int max_nb_queue_pairs;
+	unsigned int max_nb_sessions;
+	uint8_t socket_id;
+	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
+};
+
+/**
+ * @internal
+ * Parse name from argument
+ */
+static int
+parse_name_arg(const char *key __rte_unused,
+		const char *value, void *extra_args)
+{
+	struct rte_crypto_vdev_init_params *params = extra_args;
+
+	if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
+		CDEV_LOG_ERR("Invalid name %s, should be less than "
+				"%u bytes", value,
+				RTE_CRYPTODEV_NAME_MAX_LEN - 1);
+		return -1;
+	}
+
+	strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
+
+	return 0;
+}
+
+/**
+ * @internal
+ * Parse integer from argument
+ */
+static int
+parse_integer_arg(const char *key __rte_unused,
+		const char *value, void *extra_args)
+{
+	int *i = extra_args;
+
+	*i = atoi(value);
+	if (*i < 0) {
+		CDEV_LOG_ERR("Argument has to be positive.");
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * @internal
+ * Return number of sockets with memory reserved
+ */
+static uint8_t
+number_of_sockets(void)
+{
+	int sockets = 0;
+	int i;
+	const struct rte_memseg *ms = rte_eal_get_physmem_layout();
+
+	for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
+		if (sockets < ms[i].socket_id)
+			sockets = ms[i].socket_id;
+	}
+
+	/* Number of sockets = maximum socket_id + 1 */
+	return ++sockets;
+}
+
+/**
+ * @internal
+ * Creates a new virtual crypto device and returns the pointer
+ * to that device.
+ *
+ * @param	name			PMD type name
+ * @param	dev_private_size	Size of crypto PMDs private data
+ * @param	socket_id		Socket to allocate resources on.
+ * @param	vdev			Pointer to virtual device structure.
+ *
+ * @return
+ *   - Cryptodev pointer if device is successfully created.
+ *   - NULL if device cannot be created.
+ */
+static inline struct rte_cryptodev *
+rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
+		int socket_id, struct rte_vdev_device *vdev)
+{
+	struct rte_cryptodev *cryptodev;
+
+	/* allocate device structure */
+	cryptodev = rte_cryptodev_pmd_allocate(name, socket_id);
+	if (cryptodev == NULL)
+		return NULL;
+
+	/* allocate private device structure */
+	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+		cryptodev->data->dev_private =
+				rte_zmalloc_socket("cryptodev device private",
+						dev_private_size,
+						RTE_CACHE_LINE_SIZE,
+						socket_id);
+
+		if (cryptodev->data->dev_private == NULL)
+			rte_panic("Cannot allocate memzone for private device"
+					" data");
+	}
+
+	cryptodev->device = &vdev->device;
+
+	/* initialise user call-back tail queue */
+	TAILQ_INIT(&(cryptodev->link_intr_cbs));
+
+	return cryptodev;
+}
+
+/**
+ * @internal
+ * Parse virtual device initialisation parameters input arguments
+ *
+ * @params	params		Initialisation parameters with defaults set.
+ * @params	input_args	Command line arguments
+ *
+ * @return
+ * 0 on successful parse
+ * <0 on failure to parse
+ */
+static inline int
+rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_init_params *params,
+		const char *input_args)
+{
+	struct rte_kvargs *kvlist = NULL;
+	int ret = 0;
+
+	if (params == NULL)
+		return -EINVAL;
+
+	if (input_args) {
+		kvlist = rte_kvargs_parse(input_args,
+				cryptodev_vdev_valid_params);
+		if (kvlist == NULL)
+			return -1;
+
+		ret = rte_kvargs_process(kvlist,
+					RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
+					&parse_integer_arg,
+					&params->max_nb_queue_pairs);
+		if (ret < 0)
+			goto free_kvlist;
+
+		ret = rte_kvargs_process(kvlist,
+					RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
+					&parse_integer_arg,
+					&params->max_nb_sessions);
+		if (ret < 0)
+			goto free_kvlist;
+
+		ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
+					&parse_integer_arg,
+					&params->socket_id);
+		if (ret < 0)
+			goto free_kvlist;
+
+		ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_NAME,
+					&parse_name_arg,
+					params);
+		if (ret < 0)
+			goto free_kvlist;
+
+		if (params->socket_id >= number_of_sockets()) {
+			CDEV_LOG_ERR("Invalid socket id specified to create "
+				"the virtual crypto device on");
+			goto free_kvlist;
+		}
+	}
+
+free_kvlist:
+	rte_kvargs_free(kvlist);
+	return ret;
+}
+
+#endif /* _RTE_CRYPTODEV_VDEV_H_ */
diff --git a/lib/librte_cryptodev/rte_cryptodev_version.map b/lib/librte_cryptodev/rte_cryptodev_version.map
index 9ac510e..d519234 100644
--- a/lib/librte_cryptodev/rte_cryptodev_version.map
+++ b/lib/librte_cryptodev/rte_cryptodev_version.map
@@ -15,7 +15,6 @@ DPDK_16.04 {
 	rte_cryptodev_pmd_allocate;
 	rte_cryptodev_pmd_callback_process;
 	rte_cryptodev_pmd_release_device;
-	rte_cryptodev_pmd_virtual_dev_init;
 	rte_cryptodev_sym_session_create;
 	rte_cryptodev_sym_session_free;
 	rte_cryptodev_socket_id;
@@ -32,20 +31,13 @@ DPDK_16.04 {
 	local: *;
 };
 
-DPDK_16.07 {
-	global:
-
-	rte_cryptodev_parse_vdev_init_params;
-
-} DPDK_16.04;
-
 DPDK_16.11 {
 	global:
 
 	rte_cryptodev_pci_probe;
 	rte_cryptodev_pci_remove;
 
-} DPDK_16.07;
+} DPDK_16.04;
 
 DPDK_17.02 {
 	global:
-- 
2.7.4