crypto/caam_jr: introduce basic driver

The caam_jr poll mode crypto driver is supported for
NXP SEC 4.x+ (CAAM) hardware accelerator.
This driver is by default supported on LE platforms,
if it is used on BE platforms like LS104X,
config option CONFIG_RTE_LIBRTE_PMD_CAAM_JR_BE can be
enabled.

This patch add skeleton for caam jobring driver
with probe and uintialisation functions

Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>

MAINTAINERS

@@ -851,6 +851,11 @@ F: drivers/crypto/null/
 F: doc/guides/cryptodevs/null.rst
 F: doc/guides/cryptodevs/features/null.ini
 
+NXP CAAM JR
+M: Gagandeep Singh <g.singh@nxp.com>
+M: Hemant Agrawal <hemant.agrawal@nxp.com>
+F: drivers/crypto/caam_jr/
+
 NXP DPAA_SEC
 M: Akhil Goyal <akhil.goyal@nxp.com>
 M: Hemant Agrawal <hemant.agrawal@nxp.com>

config/common_base

@@ -495,6 +495,12 @@ CONFIG_RTE_CRYPTO_MAX_DEVS=64
 CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO=n
 CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO_DEBUG=n
 
+#
+# Compile NXP CAAM JR crypto Driver
+#
+CONFIG_RTE_LIBRTE_PMD_CAAM_JR=n
+CONFIG_RTE_LIBRTE_PMD_CAAM_JR_BE=n
+
 #
 # Compile NXP DPAA2 crypto sec driver for CAAM HW
 #

config/common_linuxapp

@@ -40,6 +40,7 @@ CONFIG_RTE_LIBRTE_DPAA_MEMPOOL=y
 CONFIG_RTE_LIBRTE_DPAA_PMD=y
 CONFIG_RTE_LIBRTE_PMD_DPAA_EVENTDEV=y
 CONFIG_RTE_LIBRTE_PMD_DPAA_SEC=y
+CONFIG_RTE_LIBRTE_PMD_CAAM_JR=y
 
 # NXP FSLMC BUS and DPAA2 drivers
 CONFIG_RTE_LIBRTE_FSLMC_BUS=y

config/defconfig_arm64-dpaa-linuxapp-gcc

@@ -21,3 +21,6 @@ CONFIG_RTE_PKTMBUF_HEADROOM=128
 # NXP DPAA Bus
 CONFIG_RTE_LIBRTE_DPAA_DEBUG_DRIVER=n
 CONFIG_RTE_LIBRTE_DPAA_HWDEBUG=n
+
+# NXP CAAM_JR driver
+CONFIG_RTE_LIBRTE_PMD_CAAM_JR_BE=y

drivers/crypto/Makefile

@@ -6,6 +6,7 @@ include $(RTE_SDK)/mk/rte.vars.mk
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_GCM) += aesni_gcm
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_MB) += aesni_mb
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO) += armv8
+DIRS-$(CONFIG_RTE_LIBRTE_PMD_CAAM_JR) += caam_jr
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_CCP) += ccp
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_CRYPTO) += octeontx
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_OPENSSL) += openssl

drivers/crypto/caam_jr/Makefile

@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright 2017 NXP
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_pmd_caam_jr.a
+
+# build flags
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
+CFLAGS += -D _GNU_SOURCE
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+CFLAGS += -I$(RTE_SDK)/drivers/crypto/caam_jr
+CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include
+CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal
+
+# versioning export map
+EXPORT_MAP := rte_pmd_caam_jr_version.map
+
+# library version
+LIBABIVER := 1
+
+# library source files
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_CAAM_JR) += caam_jr.c
+# library dependencies
+
+LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring
+LDLIBS += -lrte_cryptodev
+LDLIBS += -lrte_bus_vdev
+
+include $(RTE_SDK)/mk/rte.lib.mk

drivers/crypto/caam_jr/caam_jr.c

@@ -0,0 +1,151 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017-2018 NXP
+ */
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <sched.h>
+#include <net/if.h>
+
+#include <rte_byteorder.h>
+#include <rte_common.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_crypto.h>
+#include <rte_cryptodev.h>
+#include <rte_bus_vdev.h>
+#include <rte_malloc.h>
+#include <rte_security_driver.h>
+#include <rte_hexdump.h>
+
+#include <caam_jr_log.h>
+
+#define CRYPTODEV_NAME_CAAM_JR_PMD	crypto_caam_jr
+static uint8_t cryptodev_driver_id;
+int caam_jr_logtype;
+
+/*
+ * @brief Release the resources used by the SEC user space driver.
+ *
+ * Reset and release SEC's job rings indicated by the User Application at
+ * init_job_ring() and free any memory allocated internally.
+ * Call once during application tear down.
+ *
+ * @note In case there are any descriptors in-flight (descriptors received by
+ * SEC driver for processing and for which no response was yet provided to UA),
+ * the descriptors are discarded without any notifications to User Application.
+ *
+ * @retval ::0			is returned for a successful execution
+ * @retval ::-1		is returned if SEC driver release is in progress
+ */
+static int
+caam_jr_dev_uninit(struct rte_cryptodev *dev)
+{
+	if (dev == NULL)
+		return -ENODEV;
+
+	CAAM_JR_INFO("Closing crypto device %s", dev->data->name);
+
+	return 0;
+}
+
+static int
+caam_jr_dev_init(const char *name,
+		 struct rte_vdev_device *vdev,
+		 struct rte_cryptodev_pmd_init_params *init_params)
+{
+	struct rte_cryptodev *dev;
+
+	PMD_INIT_FUNC_TRACE();
+
+	dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
+	if (dev == NULL) {
+		CAAM_JR_ERR("failed to create cryptodev vdev");
+		goto cleanup;
+	}
+
+	dev->driver_id = cryptodev_driver_id;
+	dev->dev_ops = NULL;
+
+	/* For secondary processes, we don't initialise any further as primary
+	 * has already done this work. Only check we don't need a different
+	 * RX function
+	 */
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+		CAAM_JR_WARN("Device already init by primary process");
+		return 0;
+	}
+
+	RTE_LOG(INFO, PMD, "%s cryptodev init\n", dev->data->name);
+
+	return 0;
+
+cleanup:
+	CAAM_JR_ERR("driver %s: cryptodev_caam_jr_create failed",
+			init_params->name);
+
+	return -ENXIO;
+}
+
+/** Initialise CAAM JR crypto device */
+static int
+cryptodev_caam_jr_probe(struct rte_vdev_device *vdev)
+{
+	struct rte_cryptodev_pmd_init_params init_params = {
+		"",
+		128,
+		rte_socket_id(),
+		RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
+	};
+	const char *name;
+	const char *input_args;
+
+	name = rte_vdev_device_name(vdev);
+	if (name == NULL)
+		return -EINVAL;
+
+	input_args = rte_vdev_device_args(vdev);
+	rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
+
+	return caam_jr_dev_init(name, vdev, &init_params);
+}
+
+/** Uninitialise CAAM JR crypto device */
+static int
+cryptodev_caam_jr_remove(struct rte_vdev_device *vdev)
+{
+	struct rte_cryptodev *cryptodev;
+	const char *name;
+
+	name = rte_vdev_device_name(vdev);
+	if (name == NULL)
+		return -EINVAL;
+
+	cryptodev = rte_cryptodev_pmd_get_named_dev(name);
+	if (cryptodev == NULL)
+		return -ENODEV;
+
+	caam_jr_dev_uninit(cryptodev);
+
+	return rte_cryptodev_pmd_destroy(cryptodev);
+}
+
+static struct rte_vdev_driver cryptodev_caam_jr_drv = {
+	.probe = cryptodev_caam_jr_probe,
+	.remove = cryptodev_caam_jr_remove
+};
+
+static struct cryptodev_driver caam_jr_crypto_drv;
+
+RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_CAAM_JR_PMD, cryptodev_caam_jr_drv);
+RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_CAAM_JR_PMD,
+	"max_nb_queue_pairs=<int>"
+	"socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(caam_jr_crypto_drv, cryptodev_caam_jr_drv.driver,
+		cryptodev_driver_id);
+
+RTE_INIT(caam_jr_init_log)
+{
+	caam_jr_logtype = rte_log_register("pmd.crypto.caam");
+	if (caam_jr_logtype >= 0)
+		rte_log_set_level(caam_jr_logtype, RTE_LOG_NOTICE);
+}

drivers/crypto/caam_jr/caam_jr_log.h

@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017-2018 NXP
+ */
+
+#ifndef _CAAM_JR_LOG_H_
+#define _CAAM_JR_LOG_H_
+
+#include <rte_log.h>
+
+extern int caam_jr_logtype;
+
+#define CAAM_JR_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, caam_jr_logtype, "caam_jr: " \
+		fmt "\n", ##args)
+
+#define CAAM_JR_DEBUG(fmt, args...) \
+	rte_log(RTE_LOG_DEBUG, caam_jr_logtype, "caam_jr: %s(): " \
+		fmt "\n", __func__, ##args)
+
+#define PMD_INIT_FUNC_TRACE() CAAM_JR_DEBUG(" >>")
+
+#define CAAM_JR_INFO(fmt, args...) \
+	CAAM_JR_LOG(INFO, fmt, ## args)
+#define CAAM_JR_ERR(fmt, args...) \
+	CAAM_JR_LOG(ERR, fmt, ## args)
+#define CAAM_JR_WARN(fmt, args...) \
+	CAAM_JR_LOG(WARNING, fmt, ## args)
+
+/* DP Logs, toggled out at compile time if level lower than current level */
+#define CAAM_JR_DP_LOG(level, fmt, args...) \
+	RTE_LOG_DP(level, PMD, fmt "\n", ## args)
+
+#define CAAM_JR_DP_DEBUG(fmt, args...) \
+	CAAM_JR_DP_LOG(DEBUG, fmt, ## args)
+#define CAAM_JR_DP_INFO(fmt, args...) \
+	CAAM_JR_DP_LOG(INFO, fmt, ## args)
+#define CAAM_JR_DP_WARN(fmt, args...) \
+	CAAM_JR_DP_LOG(WARNING, fmt, ## args)
+#define CAAM_JR_DP_ERR(fmt, args...) \
+	CAAM_JR_DP_LOG(ERR, fmt, ## args)
+
+#endif /* _CAAM_JR_LOG_H_ */

drivers/crypto/caam_jr/meson.build

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright 2018 NXP
+
+if host_machine.system() != 'linux'
+        build = false
+endif
+
+deps += ['bus_vdev', 'bus_dpaa', 'security']
+sources = files('caam_jr.c')
+
+allow_experimental_apis = true

drivers/crypto/caam_jr/rte_pmd_caam_jr_version.map

@@ -0,0 +1,4 @@
+DPDK_18.11 {
+
+	local: *;
+};

drivers/crypto/meson.build

@@ -1,8 +1,9 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2017 Intel Corporation
 
-drivers = ['aesni_gcm', 'aesni_mb', 'ccp', 'dpaa_sec', 'dpaa2_sec', 'kasumi', 'mvsam',
-	'null', 'octeontx', 'openssl', 'qat', 'scheduler', 'virtio', 'zuc']
+drivers = ['aesni_gcm', 'aesni_mb', 'caam_jr', 'ccp', 'dpaa_sec', 'dpaa2_sec',
+	'kasumi', 'mvsam', 'null', 'octeontx', 'openssl', 'qat', 'scheduler',
+	'virtio', 'zuc']
 
 std_deps = ['cryptodev'] # cryptodev pulls in all other needed deps
 config_flag_fmt = 'RTE_LIBRTE_@0@_PMD'