[dpdk-dev] [PATCH 1/4] crypto/cnxk: add security ctx skeleton

[Anoob Joseph]

From: Srujana Challa <schalla at marvell.com>

Add security ctx in cn10k crypto PMD.

Signed-off-by: Anoob Joseph <anoobj at marvell.com>
Signed-off-by: Srujana Challa <schalla at marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree at marvell.com>
---
 drivers/crypto/cnxk/cn10k_cryptodev.c    | 10 +++++++
 drivers/crypto/cnxk/cnxk_cryptodev_sec.c | 47 ++++++++++++++++++++++++++++++++
 drivers/crypto/cnxk/cnxk_cryptodev_sec.h | 14 ++++++++++
 drivers/crypto/cnxk/meson.build          |  3 +-
 4 files changed, 73 insertions(+), 1 deletion(-)
 create mode 100644 drivers/crypto/cnxk/cnxk_cryptodev_sec.c
 create mode 100644 drivers/crypto/cnxk/cnxk_cryptodev_sec.h

diff --git a/drivers/crypto/cnxk/cn10k_cryptodev.c b/drivers/crypto/cnxk/cn10k_cryptodev.c
index ca3adea..b58d390 100644
--- a/drivers/crypto/cnxk/cn10k_cryptodev.c
+++ b/drivers/crypto/cnxk/cn10k_cryptodev.c
@@ -14,6 +14,7 @@
 #include "cn10k_cryptodev_ops.h"
 #include "cnxk_cryptodev.h"
 #include "cnxk_cryptodev_capabilities.h"
+#include "cnxk_cryptodev_sec.h"
 
 #include "roc_api.h"
 
@@ -75,6 +76,11 @@ cn10k_cpt_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 			plt_err("Failed to add engine group rc=%d", rc);
 			goto dev_fini;
 		}
+
+		/* Create security context */
+		rc = cnxk_crypto_sec_ctx_create(dev);
+		if (rc)
+			goto dev_fini;
 	}
 
 	cnxk_cpt_caps_populate(vf);
@@ -87,6 +93,7 @@ cn10k_cpt_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 			     RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
 			     RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
 			     RTE_CRYPTODEV_FF_SYM_SESSIONLESS |
+			     RTE_CRYPTODEV_FF_SECURITY |
 			     RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED;
 
 	cn10k_cpt_set_enqdeq_fns(dev);
@@ -121,6 +128,9 @@ cn10k_cpt_pci_remove(struct rte_pci_device *pci_dev)
 	if (dev == NULL)
 		return -ENODEV;
 
+	/* Destroy security context */
+	cnxk_crypto_sec_ctx_destroy(dev);
+
 	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 		vf = dev->data->dev_private;
 		ret = roc_cpt_dev_fini(&vf->cpt);
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_sec.c b/drivers/crypto/cnxk/cnxk_cryptodev_sec.c
new file mode 100644
index 0000000..f03d2ed
--- /dev/null
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_sec.c
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+
+#include <rte_cryptodev.h>
+#include <rte_malloc.h>
+#include <rte_security.h>
+#include <rte_security_driver.h>
+
+#include "cnxk_cryptodev_sec.h"
+
+/* Common security ops */
+struct rte_security_ops cnxk_sec_ops = {
+	.session_create = NULL,
+	.session_destroy = NULL,
+	.session_get_size = NULL,
+	.set_pkt_metadata = NULL,
+	.get_userdata = NULL,
+	.capabilities_get = NULL,
+};
+
+int
+cnxk_crypto_sec_ctx_create(struct rte_cryptodev *cdev)
+{
+	struct rte_security_ctx *ctx;
+
+	ctx = rte_malloc("cnxk_cpt_dev_sec_ctx",
+			 sizeof(struct rte_security_ctx), 0);
+
+	if (ctx == NULL)
+		return -ENOMEM;
+
+	/* Populate ctx */
+	ctx->device = cdev;
+	ctx->ops = &cnxk_sec_ops;
+	ctx->sess_cnt = 0;
+
+	cdev->security_ctx = ctx;
+
+	return 0;
+}
+
+void
+cnxk_crypto_sec_ctx_destroy(struct rte_cryptodev *cdev)
+{
+	rte_free(cdev->security_ctx);
+}
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_sec.h b/drivers/crypto/cnxk/cnxk_cryptodev_sec.h
new file mode 100644
index 0000000..9ab0e9e
--- /dev/null
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_sec.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+
+#ifndef __CNXK_CRYPTODEV_SEC_H__
+#define __CNXK_CRYPTODEV_SEC_H__
+
+#include <rte_cryptodev.h>
+
+int cnxk_crypto_sec_ctx_create(struct rte_cryptodev *crypto_dev);
+
+void cnxk_crypto_sec_ctx_destroy(struct rte_cryptodev *crypto_dev);
+
+#endif /* __CNXK_CRYPTODEV_SEC_H__ */
diff --git a/drivers/crypto/cnxk/meson.build b/drivers/crypto/cnxk/meson.build
index b0aa3c0..ab45483 100644
--- a/drivers/crypto/cnxk/meson.build
+++ b/drivers/crypto/cnxk/meson.build
@@ -17,6 +17,7 @@ sources = files(
         'cnxk_cryptodev.c',
         'cnxk_cryptodev_capabilities.c',
         'cnxk_cryptodev_ops.c',
+        'cnxk_cryptodev_sec.c',
 )
 
-deps += ['bus_pci', 'common_cnxk']
+deps += ['bus_pci', 'common_cnxk', 'security']
-- 
2.7.4