[dpdk-dev] [PATCH 10/32] net/dpaa2: introducing dpaa2 bus driver for fsl-mc bus

Hemant Agrawal hemant.agrawal at nxp.com
Sun Dec 4 19:17:05 CET 2016


The DPAA2 bus driver is a rte_bus driver which scans the fsl-mc bus.

Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 drivers/net/Makefile                        |   2 +-
 drivers/net/dpaa2/Makefile                  |  60 ++++++++++++++
 drivers/net/dpaa2/dpaa2_bus.c               |  99 +++++++++++++++++++++++
 drivers/net/dpaa2/rte_dpaa2.h               | 121 ++++++++++++++++++++++++++++
 drivers/net/dpaa2/rte_pmd_dpaa2_version.map |   4 +
 mk/rte.app.mk                               |   1 +
 6 files changed, 286 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/dpaa2/Makefile
 create mode 100644 drivers/net/dpaa2/dpaa2_bus.c
 create mode 100644 drivers/net/dpaa2/rte_dpaa2.h
 create mode 100644 drivers/net/dpaa2/rte_pmd_dpaa2_version.map

diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index bc93230..2bcf67b 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -55,7 +55,7 @@ DIRS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += thunderx
 DIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += virtio
 DIRS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += vmxnet3
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += xenvirt
-
+DIRS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) += dpaa2
 ifeq ($(CONFIG_RTE_LIBRTE_VHOST),y)
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_VHOST) += vhost
 endif # $(CONFIG_RTE_LIBRTE_VHOST)
diff --git a/drivers/net/dpaa2/Makefile b/drivers/net/dpaa2/Makefile
new file mode 100644
index 0000000..a99ce22
--- /dev/null
+++ b/drivers/net/dpaa2/Makefile
@@ -0,0 +1,60 @@
+#   BSD LICENSE
+#
+#   Copyright (c) 2016 NXP. 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 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
+
+#
+# library name
+#
+LIB = librte_pmd_dpaa2.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+CFLAGS += -I$(RTE_SDK)/drivers/net/dpaa2
+CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/
+CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal
+
+# versioning export map
+EXPORT_MAP := rte_pmd_dpaa2_version.map
+
+# library version
+LIBABIVER := 1
+
+
+# Interfaces with DPDK
+SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) += dpaa2_bus.c
+
+# library dependencies
+DEPDIRS-y += lib/librte_eal
+DEPDIRS-y += drivers/common/dpaa/mc
+DEPDIRS-y += drivers/common/dpaa/qbman
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/dpaa2/dpaa2_bus.c b/drivers/net/dpaa2/dpaa2_bus.c
new file mode 100644
index 0000000..571066c
--- /dev/null
+++ b/drivers/net/dpaa2/dpaa2_bus.c
@@ -0,0 +1,99 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) 2016 NXP. 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 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 <string.h>
+#include <dirent.h>
+
+#include <rte_log.h>
+#include <rte_bus.h>
+#include <rte_dpaa2.h>
+#include <rte_eal_memconfig.h>
+#include <rte_malloc.h>
+#include <rte_devargs.h>
+#include <rte_memcpy.h>
+#include <rte_ethdev.h>
+
+#include "eal_filesystem.h"
+#include "eal_private.h"
+
+void
+rte_dpaa2_register(struct rte_dpaa2_driver *driver)
+{
+	struct rte_bus *bus;
+
+	bus = rte_eal_get_bus("dpaa2");
+	if (!bus) {
+		RTE_LOG(ERR, EAL, "DPAA2 bus not registered\n");
+		return;
+	}
+
+	rte_eal_bus_add_driver(bus, &driver->driver);
+}
+
+void
+rte_dpaa2_unregister(struct rte_dpaa2_driver *driver)
+{
+	struct rte_bus *bus;
+
+	bus = driver->driver.bus;
+	if (!bus) {
+		RTE_LOG(ERR, EAL, "Unable to find bus for device\n");
+		return;
+	}
+
+	rte_eal_bus_remove_driver(&driver->driver);
+}
+
+int rte_dpaa2_probe(struct rte_driver *driver __rte_unused,
+				    struct rte_device *device __rte_unused)
+{
+	return 0;
+}
+
+int rte_dpaa2_scan(struct rte_bus *bus_d __rte_unused)
+{
+	return 0;
+}
+
+int rte_dpaa2_match(struct rte_driver *driver __rte_unused,
+		    struct rte_device *device __rte_unused)
+{
+	return 0;
+}
+
+struct rte_bus dpaa2_bus = {
+	.scan = rte_dpaa2_scan,
+	.match = rte_dpaa2_match,
+	.probe = rte_dpaa2_probe,
+};
+
+RTE_REGISTER_BUS(dpaa2, dpaa2_bus);
diff --git a/drivers/net/dpaa2/rte_dpaa2.h b/drivers/net/dpaa2/rte_dpaa2.h
new file mode 100644
index 0000000..b36eed8
--- /dev/null
+++ b/drivers/net/dpaa2/rte_dpaa2.h
@@ -0,0 +1,121 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) 2016 NXP. 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 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_DPAA2_H_
+#define _RTE_DPAA2_H_
+
+/**
+ * @file
+ *
+ * RTE DPAA2 Interface
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <errno.h>
+#include <sys/queue.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+#include <rte_debug.h>
+#include <rte_interrupts.h>
+#include <rte_dev.h>
+
+
+struct rte_dpaa2_driver;
+/**
+ * A structure describing a DPAA2 device.
+ */
+struct rte_dpaa2_device {
+	TAILQ_ENTRY(rte_dpaa2_device) next; /**< Next probed DPAA2 device. */
+	struct rte_device device;           /**< Inherit core device */
+	uint16_t dev_type;                  /**< Device Type */
+	uint16_t object_id;             /**< DPAA2 Object ID */
+	struct rte_intr_handle intr_handle; /**< Interrupt handle */
+	struct rte_dpaa2_driver *driver;    /**< Associated driver */
+};
+
+/**
+ * A structure describing a DPAA2 driver.
+ */
+struct rte_dpaa2_driver {
+	TAILQ_ENTRY(rte_dpaa2_driver) next; /**< Next in list. */
+	struct rte_driver driver;           /**< Inherit core driver. */
+	uint32_t drv_flags;                 /**< Flags contolling handling of device. */
+};
+
+/**
+ * Register a DPAA2 driver.
+ *
+ * @param driver
+ *   A pointer to a rte_dpaa2_driver structure describing the driver
+ *   to be registered.
+ */
+void rte_dpaa2_register(struct rte_dpaa2_driver *driver);
+
+/**
+ * Unregister a DPAA2 driver.
+ *
+ * @param driver
+ *   A pointer to a rte_dpaa2_driver structure describing the driver
+ *   to be unregistered.
+ */
+void rte_dpaa2_unregister(struct rte_dpaa2_driver *driver);
+
+/**
+ *
+ */
+int rte_dpaa2_probe(struct rte_driver *driver, struct rte_device *device);
+int rte_dpaa2_match(struct rte_driver *driver, struct rte_device *device);
+int rte_dpaa2_scan(struct rte_bus *bus);
+
+/** Helper for DPAA2 device registration from driver (eth, crypto) instance */
+#define RTE_PMD_REGISTER_DPAA2(nm, dpaa2_drv) \
+RTE_INIT(dpaa2initfn_ ##nm); \
+static void dpaa2initfn_ ##nm(void) \
+{\
+	(dpaa2_drv).driver.name = RTE_STR(nm);\
+	rte_dpaa2_register(&dpaa2_drv); \
+} \
+RTE_PMD_EXPORT_NAME(nm, __COUNTER__)
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_DPAA2_H_ */
diff --git a/drivers/net/dpaa2/rte_pmd_dpaa2_version.map b/drivers/net/dpaa2/rte_pmd_dpaa2_version.map
new file mode 100644
index 0000000..31eca32
--- /dev/null
+++ b/drivers/net/dpaa2/rte_pmd_dpaa2_version.map
@@ -0,0 +1,4 @@
+DPDK_17.02 {
+
+	local: *;
+};
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index f75f0e2..9e1c17c 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -101,6 +101,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_CFGFILE)        += -lrte_cfgfile
 
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_BOND)       += -lrte_pmd_bond
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT)    += -lrte_pmd_xenvirt -lxenstore
+_LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD)      += -lrte_pmd_dpaa2 -ldpaa2_mc -ldpaa2_qbman
 
 ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),n)
 # plugins (link only if static libraries)
-- 
1.9.1



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