[dpdk-dev] [PATCH v5 02/40] bus/dpaa: introduce NXP DPAA Bus driver skeleton

[Shreyansh Jain]

Signed-off-by: Shreyansh Jain <shreyansh.jain at nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 MAINTAINERS                               |   5 +
 config/common_base                        |   3 +
 config/defconfig_arm64-dpaa-linuxapp-gcc  |   4 +
 drivers/bus/Makefile                      |   3 +
 drivers/bus/dpaa/Makefile                 |  58 +++++++++
 drivers/bus/dpaa/dpaa_bus.c               | 207 ++++++++++++++++++++++++++++++
 drivers/bus/dpaa/rte_bus_dpaa_version.map |   8 ++
 drivers/bus/dpaa/rte_dpaa_bus.h           | 148 +++++++++++++++++++++
 drivers/bus/dpaa/rte_dpaa_logs.h          |  65 ++++++++++
 9 files changed, 501 insertions(+)
 create mode 100644 drivers/bus/dpaa/Makefile
 create mode 100644 drivers/bus/dpaa/dpaa_bus.c
 create mode 100644 drivers/bus/dpaa/rte_bus_dpaa_version.map
 create mode 100644 drivers/bus/dpaa/rte_dpaa_bus.h
 create mode 100644 drivers/bus/dpaa/rte_dpaa_logs.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 8df2a7f..c566962 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -408,6 +408,11 @@ F: drivers/net/nfp/
 F: doc/guides/nics/nfp.rst
 F: doc/guides/nics/features/nfp.ini
 
+NXP dpaa
+M: Hemant Agrawal <hemant.agrawal at nxp.com>
+M: Shreyansh Jain <shreyansh.jain at nxp.com>
+F: drivers/bus/dpaa/
+
 NXP dpaa2
 M: Hemant Agrawal <hemant.agrawal at nxp.com>
 M: Shreyansh Jain <shreyansh.jain at nxp.com>
diff --git a/config/common_base b/config/common_base
index 439f3cc..fc1cdca 100644
--- a/config/common_base
+++ b/config/common_base
@@ -301,6 +301,9 @@ CONFIG_RTE_LIBRTE_LIO_DEBUG_TX=n
 CONFIG_RTE_LIBRTE_LIO_DEBUG_MBOX=n
 CONFIG_RTE_LIBRTE_LIO_DEBUG_REGS=n
 
+# NXP DPAA Bus
+CONFIG_RTE_LIBRTE_DPAA_BUS=n
+
 #
 # Compile NXP DPAA2 FSL-MC Bus
 #
diff --git a/config/defconfig_arm64-dpaa-linuxapp-gcc b/config/defconfig_arm64-dpaa-linuxapp-gcc
index 5bca012..8316fc9 100644
--- a/config/defconfig_arm64-dpaa-linuxapp-gcc
+++ b/config/defconfig_arm64-dpaa-linuxapp-gcc
@@ -45,3 +45,7 @@ CONFIG_RTE_MAX_LCORE=4
 CONFIG_RTE_MAX_NUMA_NODES=1
 CONFIG_RTE_CACHE_LINE_SIZE=64
 CONFIG_RTE_PKTMBUF_HEADROOM=128
+
+# NXP DPAA Bus
+CONFIG_RTE_LIBRTE_DPAA_BUS=y
+CONFIG_RTE_LIBRTE_DPAA_DEBUG_DRIVER=n
diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile
index 0224214..6cb6466 100644
--- a/drivers/bus/Makefile
+++ b/drivers/bus/Makefile
@@ -32,6 +32,9 @@ include $(RTE_SDK)/mk/rte.vars.mk
 
 core-libs := librte_eal librte_mbuf librte_mempool librte_ring librte_ether
 
+DIRS-$(CONFIG_RTE_LIBRTE_DPAA_BUS) += dpaa
+DEPDIRS-dpaa = $(core-libs)
+
 DIRS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += fslmc
 DEPDIRS-fslmc = $(core-libs)
 
diff --git a/drivers/bus/dpaa/Makefile b/drivers/bus/dpaa/Makefile
new file mode 100644
index 0000000..28694c0
--- /dev/null
+++ b/drivers/bus/dpaa/Makefile
@@ -0,0 +1,58 @@
+#   BSD LICENSE
+#
+#   Copyright 2016 NXP.
+#
+#   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 NXP 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.
+
+include $(RTE_SDK)/mk/rte.vars.mk
+RTE_BUS_DPAA=$(RTE_SDK)/drivers/bus/dpaa
+
+#
+# library name
+#
+LIB = librte_bus_dpaa.a
+
+CFLAGS := -I$(SRCDIR) $(CFLAGS)
+CFLAGS += -O3 $(WERROR_FLAGS)
+CFLAGS += -I$(RTE_BUS_DPAA)/
+CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal
+CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include
+
+# versioning export map
+EXPORT_MAP := rte_bus_dpaa_version.map
+
+LIBABIVER := 1
+
+# all source are stored in SRCS-y
+#
+SRCS-$(CONFIG_RTE_LIBRTE_DPAA_BUS) += \
+	dpaa_bus.c
+
+# Link Pthread
+LDLIBS += -lpthread
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
new file mode 100644
index 0000000..cc343b3
--- /dev/null
+++ b/drivers/bus/dpaa/dpaa_bus.c
@@ -0,0 +1,207 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright 2017 NXP.
+ *
+ *   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 NXP 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.
+ */
+/* System headers */
+#include <stdio.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <limits.h>
+#include <sched.h>
+#include <signal.h>
+#include <pthread.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+
+#include <rte_config.h>
+#include <rte_byteorder.h>
+#include <rte_common.h>
+#include <rte_interrupts.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_pci.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_alarm.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+#include <rte_ring.h>
+#include <rte_bus.h>
+
+#include <rte_dpaa_bus.h>
+#include <rte_dpaa_logs.h>
+
+int dpaa_logtype_bus;
+
+struct rte_dpaa_bus rte_dpaa_bus;
+
+static inline void
+dpaa_add_to_device_list(struct rte_dpaa_device *dev)
+{
+	TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
+}
+
+static inline void
+dpaa_remove_from_device_list(struct rte_dpaa_device *dev)
+{
+	TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
+}
+
+static int
+rte_dpaa_bus_scan(void)
+{
+	BUS_INIT_FUNC_TRACE();
+
+	return 0;
+}
+
+/* register a dpaa bus based dpaa driver */
+void
+rte_dpaa_driver_register(struct rte_dpaa_driver *driver)
+{
+	RTE_VERIFY(driver);
+
+	BUS_INIT_FUNC_TRACE();
+
+	TAILQ_INSERT_TAIL(&rte_dpaa_bus.driver_list, driver, next);
+	/* Update Bus references */
+	driver->dpaa_bus = &rte_dpaa_bus;
+}
+
+/* un-register a dpaa bus based dpaa driver */
+void
+rte_dpaa_driver_unregister(struct rte_dpaa_driver *driver)
+{
+	struct rte_dpaa_bus *dpaa_bus;
+
+	BUS_INIT_FUNC_TRACE();
+
+	dpaa_bus = driver->dpaa_bus;
+
+	TAILQ_REMOVE(&dpaa_bus->driver_list, driver, next);
+	/* Update Bus references */
+	driver->dpaa_bus = NULL;
+}
+
+static int
+rte_dpaa_device_match(struct rte_dpaa_driver *drv,
+		      struct rte_dpaa_device *dev)
+{
+	int ret = -1;
+
+	BUS_INIT_FUNC_TRACE();
+
+	if (!drv || !dev) {
+		DPAA_BUS_DEBUG("Invalid drv or dev received.");
+		return ret;
+	}
+
+	if (drv->drv_type == dev->device_type) {
+		DPAA_BUS_INFO("Device: %s matches for driver: %s",
+			      dev->name, drv->driver.name);
+		ret = 0; /* Found a match */
+	}
+
+	return ret;
+}
+
+static int
+rte_dpaa_bus_probe(void)
+{
+	int ret = -1;
+	struct rte_dpaa_device *dev;
+	struct rte_dpaa_driver *drv;
+
+	BUS_INIT_FUNC_TRACE();
+
+	/* For each registered driver, and device, call the driver->probe */
+	TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
+		TAILQ_FOREACH(drv, &rte_dpaa_bus.driver_list, next) {
+			ret = rte_dpaa_device_match(drv, dev);
+			if (ret)
+				continue;
+
+			if (!drv->probe)
+				continue;
+
+			ret = drv->probe(drv, dev);
+			if (ret)
+				DPAA_BUS_ERR("Unable to probe.\n");
+			break;
+		}
+	}
+	return 0;
+}
+
+static struct rte_device *
+rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
+		     const void *data)
+{
+	struct rte_dpaa_device *dev;
+
+	TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
+		if (start && &dev->device == start) {
+			start = NULL;  /* starting point found */
+			continue;
+		}
+
+		if (cmp(&dev->device, data) == 0)
+			return &dev->device;
+	}
+
+	return NULL;
+}
+
+struct rte_dpaa_bus rte_dpaa_bus = {
+	.bus = {
+		.scan = rte_dpaa_bus_scan,
+		.probe = rte_dpaa_bus_probe,
+		.find_device = rte_dpaa_find_device,
+	},
+	.device_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.device_list),
+	.driver_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.driver_list),
+	.device_count = 0,
+};
+
+RTE_REGISTER_BUS(FSL_DPAA_BUS_NAME, rte_dpaa_bus.bus);
+
+RTE_INIT(dpaa_init_log);
+static void
+dpaa_init_log(void)
+{
+	dpaa_logtype_bus = rte_log_register("bus.dpaa");
+	if (dpaa_logtype_bus >= 0)
+		rte_log_set_level(dpaa_logtype_bus, RTE_LOG_NOTICE);
+}
diff --git a/drivers/bus/dpaa/rte_bus_dpaa_version.map b/drivers/bus/dpaa/rte_bus_dpaa_version.map
new file mode 100644
index 0000000..9f41c77
--- /dev/null
+++ b/drivers/bus/dpaa/rte_bus_dpaa_version.map
@@ -0,0 +1,8 @@
+DPDK_17.11 {
+	global:
+
+	rte_dpaa_driver_register;
+	rte_dpaa_driver_unregister;
+
+	local: *;
+};
diff --git a/drivers/bus/dpaa/rte_dpaa_bus.h b/drivers/bus/dpaa/rte_dpaa_bus.h
new file mode 100644
index 0000000..789882e
--- /dev/null
+++ b/drivers/bus/dpaa/rte_dpaa_bus.h
@@ -0,0 +1,148 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright 2017 NXP.
+ *
+ *   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 NXP 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_DPAA_BUS_H__
+#define __RTE_DPAA_BUS_H__
+
+#include <rte_bus.h>
+#include <rte_mempool.h>
+
+#define FSL_DPAA_BUS_NAME	"FSL_DPAA_BUS"
+
+#define DEV_TO_DPAA_DEVICE(ptr)	\
+		container_of(ptr, struct rte_dpaa_device, device)
+
+struct rte_dpaa_device;
+struct rte_dpaa_driver;
+
+/* DPAA Device and Driver lists for DPAA bus */
+TAILQ_HEAD(rte_dpaa_device_list, rte_dpaa_device);
+TAILQ_HEAD(rte_dpaa_driver_list, rte_dpaa_driver);
+
+enum rte_dpaa_type {
+	FSL_DPAA_ETH = 1,
+	FSL_DPAA_CRYPTO,
+};
+
+struct rte_dpaa_bus {
+	struct rte_bus bus;
+	struct rte_dpaa_device_list device_list;
+	struct rte_dpaa_driver_list driver_list;
+	int device_count;
+};
+
+struct dpaa_device_id {
+	uint8_t fman_id; /**< Fman interface ID, for ETH type device */
+	uint8_t mac_id; /**< Fman MAC interface ID, for ETH type device */
+	uint16_t dev_id; /**< Device Identifier from DPDK */
+};
+
+struct rte_dpaa_device {
+	TAILQ_ENTRY(rte_dpaa_device) next;
+	struct rte_device device;
+	union {
+		struct rte_eth_dev *eth_dev;
+		struct rte_cryptodev *crypto_dev;
+	};
+	struct rte_dpaa_driver *driver;
+	struct dpaa_device_id id;
+	enum rte_dpaa_type device_type; /**< Ethernet or crypto type device */
+	char name[RTE_ETH_NAME_MAX_LEN];
+};
+
+typedef int (*rte_dpaa_probe_t)(struct rte_dpaa_driver *dpaa_drv,
+				struct rte_dpaa_device *dpaa_dev);
+typedef int (*rte_dpaa_remove_t)(struct rte_dpaa_device *dpaa_dev);
+
+struct rte_dpaa_driver {
+	TAILQ_ENTRY(rte_dpaa_driver) next;
+	struct rte_driver driver;
+	struct rte_dpaa_bus *dpaa_bus;
+	enum rte_dpaa_type drv_type;
+	rte_dpaa_probe_t probe;
+	rte_dpaa_remove_t remove;
+};
+
+struct dpaa_portal {
+	uint32_t bman_idx; /**< BMAN Portal ID*/
+	uint32_t qman_idx; /**< QMAN Portal ID*/
+	uint64_t tid;/**< Parent Thread id for this portal */
+};
+
+/* TODO - this is costly, need to write a fast coversion routine */
+static inline void *rte_dpaa_mem_ptov(phys_addr_t paddr)
+{
+	const struct rte_memseg *memseg = rte_eal_get_physmem_layout();
+	int i;
+
+	for (i = 0; i < RTE_MAX_MEMSEG && memseg[i].addr != NULL; i++) {
+		if (paddr >= memseg[i].phys_addr && paddr <
+			memseg[i].phys_addr + memseg[i].len)
+			return (uint8_t *)(memseg[i].addr) +
+			       (paddr - memseg[i].phys_addr);
+	}
+
+	return NULL;
+}
+
+/**
+ * Register a DPAA driver.
+ *
+ * @param driver
+ *   A pointer to a rte_dpaa_driver structure describing the driver
+ *   to be registered.
+ */
+void rte_dpaa_driver_register(struct rte_dpaa_driver *driver);
+
+/**
+ * Unregister a DPAA driver.
+ *
+ * @param driver
+ *	A pointer to a rte_dpaa_driver structure describing the driver
+ *	to be unregistered.
+ */
+void rte_dpaa_driver_unregister(struct rte_dpaa_driver *driver);
+
+/** Helper for DPAA device registration from driver (eth, crypto) instance */
+#define RTE_PMD_REGISTER_DPAA(nm, dpaa_drv) \
+RTE_INIT(dpaainitfn_ ##nm); \
+static void dpaainitfn_ ##nm(void) \
+{\
+	(dpaa_drv).driver.name = RTE_STR(nm);\
+	rte_dpaa_driver_register(&dpaa_drv); \
+} \
+RTE_PMD_EXPORT_NAME(nm, __COUNTER__)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RTE_DPAA_BUS_H__ */
diff --git a/drivers/bus/dpaa/rte_dpaa_logs.h b/drivers/bus/dpaa/rte_dpaa_logs.h
new file mode 100644
index 0000000..cc10937
--- /dev/null
+++ b/drivers/bus/dpaa/rte_dpaa_logs.h
@@ -0,0 +1,65 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright 2017 NXP.
+ *
+ *   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 NXP 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 _DPAA_LOGS_H_
+#define _DPAA_LOGS_H_
+
+#include <rte_log.h>
+
+extern int dpaa_logtype_bus;
+
+#define DPAA_BUS_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, dpaa_logtype_bus, "%s(): " fmt "\n", \
+		__func__, ##args)
+
+#define BUS_INIT_FUNC_TRACE() DPAA_BUS_LOG(DEBUG, " >>")
+
+#ifdef RTE_LIBRTE_DPAA_DEBUG_BUS
+#define DPAA_BUS_HWWARN(cond, fmt, args...) \
+	do {\
+		if (cond) \
+			DPAA_BUS_LOG(DEBUG, "WARN: " fmt, ##args); \
+	} while (0)
+#else
+#define DPAA_BUS_HWWARN(cond, fmt, args...) do { } while (0)
+#endif
+
+#define DPAA_BUS_DEBUG(fmt, args...) \
+	DPAA_BUS_LOG(DEBUG, fmt, ## args)
+#define DPAA_BUS_INFO(fmt, args...) \
+	DPAA_BUS_LOG(INFO, fmt, ## args)
+#define DPAA_BUS_ERR(fmt, args...) \
+	DPAA_BUS_LOG(ERR, fmt, ## args)
+#define DPAA_BUS_WARN(fmt, args...) \
+	DPAA_BUS_LOG(WARNING, fmt, ## args)
+
+#endif /* _DPAA_LOGS_H_ */
-- 
2.9.3