[dpdk-dev] [PATCH 1/2] drivers: add octeontx crypto adapter framework

From: Shijith Thotton <sthotton@marvell.com>
Date: 2021-06-22 16:49:14
Subsystem: crypto api, the rest · Maintainers: Herbert Xu, "David S. Miller", Linus Torvalds

Set crypto adapter event device slow-path call backs.

Signed-off-by: Shijith Thotton <sthotton@marvell.com>
---
 drivers/crypto/octeontx/meson.build           |  1 +
 drivers/crypto/octeontx/otx_cryptodev.c       |  4 ++
 drivers/crypto/octeontx/otx_cryptodev.h       |  4 --
 .../crypto/octeontx/otx_cryptodev_hw_access.h |  1 +
 drivers/event/octeontx/meson.build            |  1 +
 drivers/event/octeontx/ssovf_evdev.c          | 67 +++++++++++++++++++
 6 files changed, 74 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/octeontx/meson.build b/drivers/crypto/octeontx/meson.build
index daef47a72f..37603c5c89 100644
--- a/drivers/crypto/octeontx/meson.build
+++ b/drivers/crypto/octeontx/meson.build

@@ -7,6 +7,7 @@ endif
 
 deps += ['bus_pci']
 deps += ['common_cpt']
+deps += ['eventdev']
 
 sources = files(
         'otx_cryptodev.c',

diff --git a/drivers/crypto/octeontx/otx_cryptodev.c b/drivers/crypto/octeontx/otx_cryptodev.c
index ba73c2f939..7207909abb 100644
--- a/drivers/crypto/octeontx/otx_cryptodev.c
+++ b/drivers/crypto/octeontx/otx_cryptodev.c

@@ -14,6 +14,10 @@
 
 #include "cpt_pmd_logs.h"
 
+/* Device ID */
+#define PCI_VENDOR_ID_CAVIUM		0x177d
+#define CPT_81XX_PCI_VF_DEVICE_ID	0xa041
+
 uint8_t otx_cryptodev_driver_id;
 
 static struct rte_pci_id pci_id_cpt_table[] = {

diff --git a/drivers/crypto/octeontx/otx_cryptodev.h b/drivers/crypto/octeontx/otx_cryptodev.h
index b66ef4a8f7..5d8607eafb 100644
--- a/drivers/crypto/octeontx/otx_cryptodev.h
+++ b/drivers/crypto/octeontx/otx_cryptodev.h

@@ -8,10 +8,6 @@
 /* Cavium OCTEON TX crypto PMD device name */
 #define CRYPTODEV_NAME_OCTEONTX_PMD	crypto_octeontx
 
-/* Device ID */
-#define PCI_VENDOR_ID_CAVIUM		0x177d
-#define CPT_81XX_PCI_VF_DEVICE_ID	0xa041
-
 #define CPT_LOGTYPE otx_cpt_logtype
 
 extern int otx_cpt_logtype;

diff --git a/drivers/crypto/octeontx/otx_cryptodev_hw_access.h b/drivers/crypto/octeontx/otx_cryptodev_hw_access.h
index 0ec258157a..f7b1e93402 100644
--- a/drivers/crypto/octeontx/otx_cryptodev_hw_access.h
+++ b/drivers/crypto/octeontx/otx_cryptodev_hw_access.h

@@ -45,6 +45,7 @@ struct cpt_instance {
 	struct rte_mempool *sess_mp;
 	struct rte_mempool *sess_mp_priv;
 	struct cpt_qp_meta_info meta_info;
+	uint8_t ca_enabled;
 };
 
 struct command_chunk {

diff --git a/drivers/event/octeontx/meson.build b/drivers/event/octeontx/meson.build
index 3cb140b4de..0d9eec3f2e 100644
--- a/drivers/event/octeontx/meson.build
+++ b/drivers/event/octeontx/meson.build

@@ -12,3 +12,4 @@ sources = files(
 )
 
 deps += ['common_octeontx', 'mempool_octeontx', 'bus_vdev', 'net_octeontx']
+deps += ['crypto_octeontx']

diff --git a/drivers/event/octeontx/ssovf_evdev.c b/drivers/event/octeontx/ssovf_evdev.c
index d8b359801a..25bf207db6 100644
--- a/drivers/event/octeontx/ssovf_evdev.c
+++ b/drivers/event/octeontx/ssovf_evdev.c

@@ -5,6 +5,7 @@
 #include <inttypes.h>
 
 #include <rte_common.h>
+#include <rte_cryptodev.h>
 #include <rte_debug.h>
 #include <rte_dev.h>
 #include <rte_eal.h>

@@ -19,6 +20,7 @@
 
 #include "ssovf_evdev.h"
 #include "timvf_evdev.h"
+#include "otx_cryptodev_hw_access.h"
 
 static uint8_t timvf_enable_stats;

@@ -725,6 +727,67 @@ ssovf_timvf_caps_get(const struct rte_eventdev *dev, uint64_t flags,
 			timvf_enable_stats);
 }
 
+static int
+ssovf_crypto_adapter_caps_get(const struct rte_eventdev *dev,
+			      const struct rte_cryptodev *cdev, uint32_t *caps)
+{
+	RTE_SET_USED(dev);
+	RTE_SET_USED(cdev);
+
+	*caps = 0;
+
+	return 0;
+}
+
+static int
+ssovf_crypto_adapter_qp_add(const struct rte_eventdev *dev,
+			    const struct rte_cryptodev *cdev,
+			    int32_t queue_pair_id,
+			    const struct rte_event *event)
+{
+	struct cpt_instance *qp;
+	uint8_t qp_id;
+
+	RTE_SET_USED(event);
+
+	if (queue_pair_id == -1) {
+		for (qp_id = 0; qp_id < cdev->data->nb_queue_pairs; qp_id++) {
+			qp = cdev->data->queue_pairs[qp_id];
+			qp->ca_enabled = 1;
+		}
+	} else {
+		qp = cdev->data->queue_pairs[queue_pair_id];
+		qp->ca_enabled = 1;
+	}
+
+	ssovf_fastpath_fns_set((struct rte_eventdev *)(uintptr_t)dev);
+
+	return 0;
+}
+
+static int
+ssovf_crypto_adapter_qp_del(const struct rte_eventdev *dev,
+			    const struct rte_cryptodev *cdev,
+			    int32_t queue_pair_id)
+{
+	struct cpt_instance *qp;
+	uint8_t qp_id;
+
+	RTE_SET_USED(dev);
+
+	if (queue_pair_id == -1) {
+		for (qp_id = 0; qp_id < cdev->data->nb_queue_pairs; qp_id++) {
+			qp = cdev->data->queue_pairs[qp_id];
+			qp->ca_enabled = 0;
+		}
+	} else {
+		qp = cdev->data->queue_pairs[queue_pair_id];
+		qp->ca_enabled = 0;
+	}
+
+	return 0;
+}
+
 /* Initialize and register event driver with DPDK Application */
 static struct rte_eventdev_ops ssovf_ops = {
 	.dev_infos_get    = ssovf_info_get,

@@ -755,6 +818,10 @@ static struct rte_eventdev_ops ssovf_ops = {
 
 	.timer_adapter_caps_get = ssovf_timvf_caps_get,
 
+	.crypto_adapter_caps_get = ssovf_crypto_adapter_caps_get,
+	.crypto_adapter_queue_pair_add = ssovf_crypto_adapter_qp_add,
+	.crypto_adapter_queue_pair_del = ssovf_crypto_adapter_qp_del,
+
 	.dev_selftest = test_eventdev_octeontx,
 
 	.dump             = ssovf_dump,

-- 
2.25.1

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