From 7e7df6d0a41d715d468f8627da3c6d8501589b51 Mon Sep 17 00:00:00 2001 From: Hemant Agrawal Date: Tue, 11 Apr 2017 19:07:08 +0530 Subject: [PATCH] bus/fslmc: introduce fsl-mc bus driver The fslmc bus driver is a rte_bus driver which scans the fsl-mc bus for NXP DPAA2 SoCs. Signed-off-by: Hemant Agrawal --- MAINTAINERS | 4 + config/common_base | 5 + config/defconfig_arm64-dpaa2-linuxapp-gcc | 8 +- drivers/Makefile | 1 + drivers/bus/Makefile | 39 ++++++ drivers/bus/fslmc/Makefile | 62 ++++++++ drivers/bus/fslmc/fslmc_bus.c | 125 +++++++++++++++++ drivers/bus/fslmc/rte_bus_fslmc_version.map | 8 ++ drivers/bus/fslmc/rte_fslmc.h | 148 ++++++++++++++++++++ 9 files changed, 399 insertions(+), 1 deletion(-) create mode 100644 drivers/bus/Makefile create mode 100644 drivers/bus/fslmc/Makefile create mode 100644 drivers/bus/fslmc/fslmc_bus.c create mode 100644 drivers/bus/fslmc/rte_bus_fslmc_version.map create mode 100644 drivers/bus/fslmc/rte_fslmc.h diff --git a/MAINTAINERS b/MAINTAINERS index f3cb246a1a..1bcb25af18 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -370,6 +370,10 @@ M: Alejandro Lucero F: drivers/net/nfp/ F: doc/guides/nics/nfp.rst +NXP dpaa2 +M: Hemant Agrawal +F: drivers/bus/fslmc/ + QLogic bnx2x M: Harish Patil M: Rasesh Mody diff --git a/config/common_base b/config/common_base index 1168d6edf5..94f1a60c7f 100644 --- a/config/common_base +++ b/config/common_base @@ -298,6 +298,11 @@ CONFIG_RTE_LIBRTE_LIO_DEBUG_TX=n CONFIG_RTE_LIBRTE_LIO_DEBUG_MBOX=n CONFIG_RTE_LIBRTE_LIO_DEBUG_REGS=n +# +# Compile NXP DPAA2 FSL-MC Bus +# +CONFIG_RTE_LIBRTE_FSLMC_BUS=n + # # Compile burst-oriented VIRTIO PMD driver # diff --git a/config/defconfig_arm64-dpaa2-linuxapp-gcc b/config/defconfig_arm64-dpaa2-linuxapp-gcc index 66df54c5d8..365ae5ad6b 100644 --- a/config/defconfig_arm64-dpaa2-linuxapp-gcc +++ b/config/defconfig_arm64-dpaa2-linuxapp-gcc @@ -1,6 +1,7 @@ # BSD LICENSE # -# Copyright(c) 2016 Freescale Semiconductor, Inc. All rights reserved. +# Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved. +# 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 @@ -40,3 +41,8 @@ CONFIG_RTE_ARCH_ARM_TUNE="cortex-a57+fp+simd" # CONFIG_RTE_MAX_LCORE=8 CONFIG_RTE_MAX_NUMA_NODES=1 + +# +# Compile NXP DPAA2 FSL-MC Bus +# +CONFIG_RTE_LIBRTE_FSLMC_BUS=y diff --git a/drivers/Makefile b/drivers/Makefile index e66cbd7241..fbc2351a30 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -31,6 +31,7 @@ include $(RTE_SDK)/mk/rte.vars.mk +DIRS-y += bus DIRS-y += mempool DIRS-y += net DIRS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += crypto diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile new file mode 100644 index 0000000000..1e5b281c45 --- /dev/null +++ b/drivers/bus/Makefile @@ -0,0 +1,39 @@ +# BSD LICENSE +# +# Copyright(c) 2016 NXP. All rights reserved. +# 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 $(RTE_SDK)/mk/rte.vars.mk + +core-libs := librte_eal librte_mbuf librte_mempool librte_ring librte_ether + +DIRS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += fslmc +DEPDIRS-fslmc = $(core-libs) + +include $(RTE_SDK)/mk/rte.subdir.mk diff --git a/drivers/bus/fslmc/Makefile b/drivers/bus/fslmc/Makefile new file mode 100644 index 0000000000..5561bb81c6 --- /dev/null +++ b/drivers/bus/fslmc/Makefile @@ -0,0 +1,62 @@ +# 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 $(RTE_SDK)/mk/rte.vars.mk + +# +# library name +# +LIB = librte_bus_fslmc.a + +ifeq ($(CONFIG_RTE_LIBRTE_DPAA2_PMD),y) +CONFIG_RTE_LIBRTE_FSLMC_BUS = $(CONFIG_RTE_LIBRTE_DPAA2_PMD) +endif + +ifeq ($(CONFIG_RTE_LIBRTE_DPAA2_DEBUG_INIT),y) +CFLAGS += -O0 -g +CFLAGS += "-Wno-error" +else +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) +endif + +CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc +CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal + +# versioning export map +EXPORT_MAP := rte_bus_fslmc_version.map + +# library version +LIBABIVER := 1 + +SRCS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += fslmc_bus.c + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c new file mode 100644 index 0000000000..784820720b --- /dev/null +++ b/drivers/bus/fslmc/fslmc_bus.c @@ -0,0 +1,125 @@ +/*- + * 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 +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "rte_fslmc.h" + +#define FSLMC_BUS_LOG(level, fmt, args...) \ + RTE_LOG(level, EAL, "%s(): " fmt "\n", __func__, ##args) + +struct rte_fslmc_bus rte_fslmc_bus; + +static int +rte_fslmc_scan(void) +{ + return 0; +} + +static int +rte_fslmc_match(struct rte_dpaa2_driver *dpaa2_drv, + struct rte_dpaa2_device *dpaa2_dev) +{ + if (dpaa2_drv->drv_type == dpaa2_dev->dev_type) + return 0; + + return 1; +} + +static int +rte_fslmc_probe(void) +{ + int ret = 0; + struct rte_dpaa2_device *dev; + struct rte_dpaa2_driver *drv; + + TAILQ_FOREACH(dev, &rte_fslmc_bus.device_list, next) { + TAILQ_FOREACH(drv, &rte_fslmc_bus.driver_list, next) { + ret = rte_fslmc_match(drv, dev); + if (ret) + continue; + + if (!drv->probe) + continue; + + ret = drv->probe(drv, dev); + if (ret) + FSLMC_BUS_LOG(ERR, "Unable to probe.\n"); + break; + } + } + return ret; +} + +/*register a fslmc bus based dpaa2 driver */ +void +rte_fslmc_driver_register(struct rte_dpaa2_driver *driver) +{ + RTE_VERIFY(driver); + + TAILQ_INSERT_TAIL(&rte_fslmc_bus.driver_list, driver, next); + /* Update Bus references */ + driver->fslmc_bus = &rte_fslmc_bus; +} + +/*un-register a fslmc bus based dpaa2 driver */ +void +rte_fslmc_driver_unregister(struct rte_dpaa2_driver *driver) +{ + struct rte_fslmc_bus *fslmc_bus; + + fslmc_bus = driver->fslmc_bus; + + TAILQ_REMOVE(&fslmc_bus->driver_list, driver, next); + /* Update Bus references */ + driver->fslmc_bus = NULL; +} + +struct rte_fslmc_bus rte_fslmc_bus = { + .bus = { + .scan = rte_fslmc_scan, + .probe = rte_fslmc_probe, + }, + .device_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.device_list), + .driver_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.driver_list), +}; + +RTE_REGISTER_BUS(FSLMC_BUS_NAME, rte_fslmc_bus.bus); diff --git a/drivers/bus/fslmc/rte_bus_fslmc_version.map b/drivers/bus/fslmc/rte_bus_fslmc_version.map new file mode 100644 index 0000000000..41c80d9f2d --- /dev/null +++ b/drivers/bus/fslmc/rte_bus_fslmc_version.map @@ -0,0 +1,8 @@ +DPDK_17.05 { + global: + + rte_fslmc_driver_register; + rte_fslmc_driver_unregister; + + local: *; +}; diff --git a/drivers/bus/fslmc/rte_fslmc.h b/drivers/bus/fslmc/rte_fslmc.h new file mode 100644 index 0000000000..040ab95883 --- /dev/null +++ b/drivers/bus/fslmc/rte_fslmc.h @@ -0,0 +1,148 @@ +/*- + * 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_FSLMC_H_ +#define _RTE_FSLMC_H_ + +/** + * @file + * + * RTE FSLMC Bus Interface + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +/** Name of FSLMC Bus */ +#define FSLMC_BUS_NAME "FSLMC" + +struct rte_dpaa2_driver; + +/* DPAA2 Device and Driver lists for FSLMC bus */ +TAILQ_HEAD(rte_fslmc_device_list, rte_dpaa2_device); +TAILQ_HEAD(rte_fslmc_driver_list, rte_dpaa2_driver); + +extern struct rte_fslmc_bus rte_fslmc_bus; + +/** + * 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 */ + union { + struct rte_eth_dev *eth_dev; /**< ethernet device */ + struct rte_cryptodev *cryptodev; /**< Crypto 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 */ +}; + +typedef int (*rte_dpaa2_probe_t)(struct rte_dpaa2_driver *dpaa2_drv, + struct rte_dpaa2_device *dpaa2_dev); +typedef int (*rte_dpaa2_remove_t)(struct rte_dpaa2_device *dpaa2_dev); + +/** + * 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. */ + struct rte_fslmc_bus *fslmc_bus; /**< FSLMC bus reference */ + uint32_t drv_flags; /**< Flags for controlling device.*/ + uint16_t drv_type; /**< Driver Type */ + rte_dpaa2_probe_t probe; + rte_dpaa2_remove_t remove; +}; + +/* + * FSLMC bus + */ +struct rte_fslmc_bus { + struct rte_bus bus; /**< Generic Bus object */ + struct rte_fslmc_device_list device_list; + /**< FSLMC DPAA2 Device list */ + struct rte_fslmc_driver_list driver_list; + /**< FSLMC DPAA2 Driver list */ + int device_count; + /**< Optional: Count of devices on bus */ +}; + +/** + * Register a DPAA2 driver. + * + * @param driver + * A pointer to a rte_dpaa2_driver structure describing the driver + * to be registered. + */ +void rte_fslmc_driver_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_fslmc_driver_unregister(struct rte_dpaa2_driver *driver); + +/** 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_fslmc_driver_register(&dpaa2_drv); \ +} \ +RTE_PMD_EXPORT_NAME(nm, __COUNTER__) + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_FSLMC_H_ */ -- 2.20.1