From 97f17497d162afdb82c8704bf097f0fee3724b2e Mon Sep 17 00:00:00 2001 From: "C.J. Collier" Date: Tue, 14 Jun 2016 07:50:17 -0700 Subject: Imported Upstream version 16.04 Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757 Signed-off-by: C.J. Collier --- lib/librte_eal/bsdapp/Makefile | 38 ++ lib/librte_eal/bsdapp/contigmem/BSDmakefile | 36 ++ lib/librte_eal/bsdapp/contigmem/Makefile | 52 ++ lib/librte_eal/bsdapp/contigmem/contigmem.c | 232 ++++++++ lib/librte_eal/bsdapp/eal/Makefile | 117 ++++ lib/librte_eal/bsdapp/eal/eal.c | 638 +++++++++++++++++++++ lib/librte_eal/bsdapp/eal/eal_alarm.c | 60 ++ lib/librte_eal/bsdapp/eal/eal_debug.c | 119 ++++ lib/librte_eal/bsdapp/eal/eal_hugepage_info.c | 134 +++++ lib/librte_eal/bsdapp/eal/eal_interrupts.c | 119 ++++ lib/librte_eal/bsdapp/eal/eal_lcore.c | 79 +++ lib/librte_eal/bsdapp/eal/eal_log.c | 57 ++ lib/librte_eal/bsdapp/eal/eal_memory.c | 194 +++++++ lib/librte_eal/bsdapp/eal/eal_pci.c | 633 ++++++++++++++++++++ lib/librte_eal/bsdapp/eal/eal_thread.c | 201 +++++++ lib/librte_eal/bsdapp/eal/eal_timer.c | 94 +++ .../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 ++++ .../bsdapp/eal/include/exec-env/rte_interrupts.h | 137 +++++ lib/librte_eal/bsdapp/eal/rte_eal_version.map | 153 +++++ lib/librte_eal/bsdapp/nic_uio/BSDmakefile | 36 ++ lib/librte_eal/bsdapp/nic_uio/Makefile | 52 ++ lib/librte_eal/bsdapp/nic_uio/nic_uio.c | 335 +++++++++++ 22 files changed, 3623 insertions(+) create mode 100644 lib/librte_eal/bsdapp/Makefile create mode 100644 lib/librte_eal/bsdapp/contigmem/BSDmakefile create mode 100644 lib/librte_eal/bsdapp/contigmem/Makefile create mode 100644 lib/librte_eal/bsdapp/contigmem/contigmem.c create mode 100644 lib/librte_eal/bsdapp/eal/Makefile create mode 100644 lib/librte_eal/bsdapp/eal/eal.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_alarm.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_debug.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_hugepage_info.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_interrupts.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_lcore.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_log.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_memory.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_pci.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_thread.c create mode 100644 lib/librte_eal/bsdapp/eal/eal_timer.c create mode 100644 lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h create mode 100644 lib/librte_eal/bsdapp/eal/include/exec-env/rte_interrupts.h create mode 100644 lib/librte_eal/bsdapp/eal/rte_eal_version.map create mode 100644 lib/librte_eal/bsdapp/nic_uio/BSDmakefile create mode 100644 lib/librte_eal/bsdapp/nic_uio/Makefile create mode 100644 lib/librte_eal/bsdapp/nic_uio/nic_uio.c (limited to 'lib/librte_eal/bsdapp') diff --git a/lib/librte_eal/bsdapp/Makefile b/lib/librte_eal/bsdapp/Makefile new file mode 100644 index 00000000..0e6e2be9 --- /dev/null +++ b/lib/librte_eal/bsdapp/Makefile @@ -0,0 +1,38 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 $(RTE_SDK)/mk/rte.vars.mk + +DIRS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal +DIRS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += contigmem +DIRS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += nic_uio + +include $(RTE_SDK)/mk/rte.subdir.mk diff --git a/lib/librte_eal/bsdapp/contigmem/BSDmakefile b/lib/librte_eal/bsdapp/contigmem/BSDmakefile new file mode 100644 index 00000000..f64374c6 --- /dev/null +++ b/lib/librte_eal/bsdapp/contigmem/BSDmakefile @@ -0,0 +1,36 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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. +# + +KMOD= contigmem +SRCS= contigmem.c device_if.h bus_if.h + +.include diff --git a/lib/librte_eal/bsdapp/contigmem/Makefile b/lib/librte_eal/bsdapp/contigmem/Makefile new file mode 100644 index 00000000..bab005fd --- /dev/null +++ b/lib/librte_eal/bsdapp/contigmem/Makefile @@ -0,0 +1,52 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 $(RTE_SDK)/mk/rte.vars.mk + +# +# module name and path +# +MODULE = contigmem + +# +# CFLAGS +# +MODULE_CFLAGS += -I$(SRCDIR) +MODULE_CFLAGS += -I$(RTE_OUTPUT)/include +MODULE_CFLAGS += -Winline -Wall -Werror +MODULE_CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h + +# +# all source are stored in SRCS-y +# +SRCS-y := contigmem.c + +include $(RTE_SDK)/mk/rte.bsdmodule.mk diff --git a/lib/librte_eal/bsdapp/contigmem/contigmem.c b/lib/librte_eal/bsdapp/contigmem/contigmem.c new file mode 100644 index 00000000..c6ca3b9c --- /dev/null +++ b/lib/librte_eal/bsdapp/contigmem/contigmem.c @@ -0,0 +1,232 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include + +static int contigmem_load(void); +static int contigmem_unload(void); +static int contigmem_physaddr(SYSCTL_HANDLER_ARGS); + +static d_mmap_t contigmem_mmap; +static d_mmap_single_t contigmem_mmap_single; +static d_open_t contigmem_open; + +static int contigmem_num_buffers = RTE_CONTIGMEM_DEFAULT_NUM_BUFS; +static int64_t contigmem_buffer_size = RTE_CONTIGMEM_DEFAULT_BUF_SIZE; + +static eventhandler_tag contigmem_eh_tag; +static void *contigmem_buffers[RTE_CONTIGMEM_MAX_NUM_BUFS]; +static struct cdev *contigmem_cdev = NULL; + +TUNABLE_INT("hw.contigmem.num_buffers", &contigmem_num_buffers); +TUNABLE_QUAD("hw.contigmem.buffer_size", &contigmem_buffer_size); + +static SYSCTL_NODE(_hw, OID_AUTO, contigmem, CTLFLAG_RD, 0, "contigmem"); + +SYSCTL_INT(_hw_contigmem, OID_AUTO, num_buffers, CTLFLAG_RD, + &contigmem_num_buffers, 0, "Number of contigmem buffers allocated"); +SYSCTL_QUAD(_hw_contigmem, OID_AUTO, buffer_size, CTLFLAG_RD, + &contigmem_buffer_size, 0, "Size of each contiguous buffer"); + +static SYSCTL_NODE(_hw_contigmem, OID_AUTO, physaddr, CTLFLAG_RD, 0, + "physaddr"); + +MALLOC_DEFINE(M_CONTIGMEM, "contigmem", "contigmem(4) allocations"); + +static int contigmem_modevent(module_t mod, int type, void *arg) +{ + int error = 0; + + switch (type) { + case MOD_LOAD: + error = contigmem_load(); + break; + case MOD_UNLOAD: + error = contigmem_unload(); + break; + default: + break; + } + + return error; +} + +moduledata_t contigmem_mod = { + "contigmem", + (modeventhand_t)contigmem_modevent, + 0 +}; + +DECLARE_MODULE(contigmem, contigmem_mod, SI_SUB_DRIVERS, SI_ORDER_ANY); +MODULE_VERSION(contigmem, 1); + +static struct cdevsw contigmem_ops = { + .d_name = "contigmem", + .d_version = D_VERSION, + .d_mmap = contigmem_mmap, + .d_mmap_single = contigmem_mmap_single, + .d_open = contigmem_open, +}; + +static int +contigmem_load() +{ + char index_string[8], description[32]; + int i; + + if (contigmem_num_buffers > RTE_CONTIGMEM_MAX_NUM_BUFS) { + printf("%d buffers requested is greater than %d allowed\n", + contigmem_num_buffers, RTE_CONTIGMEM_MAX_NUM_BUFS); + return EINVAL; + } + + if (contigmem_buffer_size < PAGE_SIZE || + (contigmem_buffer_size & (contigmem_buffer_size - 1)) != 0) { + printf("buffer size 0x%lx is not greater than PAGE_SIZE and " + "power of two\n", contigmem_buffer_size); + return EINVAL; + } + + for (i = 0; i < contigmem_num_buffers; i++) { + contigmem_buffers[i] = + contigmalloc(contigmem_buffer_size, M_CONTIGMEM, M_ZERO, 0, + BUS_SPACE_MAXADDR, contigmem_buffer_size, 0); + + if (contigmem_buffers[i] == NULL) { + printf("contigmalloc failed for buffer %d\n", i); + return ENOMEM; + } + + printf("%2u: virt=%p phys=%p\n", i, contigmem_buffers[i], + (void *)pmap_kextract((vm_offset_t)contigmem_buffers[i])); + + snprintf(index_string, sizeof(index_string), "%d", i); + snprintf(description, sizeof(description), + "phys addr for buffer %d", i); + SYSCTL_ADD_PROC(NULL, + &SYSCTL_NODE_CHILDREN(_hw_contigmem, physaddr), OID_AUTO, + index_string, CTLTYPE_U64 | CTLFLAG_RD, + (void *)(uintptr_t)i, 0, contigmem_physaddr, "LU", + description); + } + + contigmem_cdev = make_dev_credf(0, &contigmem_ops, 0, NULL, UID_ROOT, + GID_WHEEL, 0600, "contigmem"); + + return 0; +} + +static int +contigmem_unload() +{ + int i; + + if (contigmem_cdev != NULL) + destroy_dev(contigmem_cdev); + + if (contigmem_eh_tag != NULL) + EVENTHANDLER_DEREGISTER(process_exit, contigmem_eh_tag); + + for (i = 0; i < RTE_CONTIGMEM_MAX_NUM_BUFS; i++) + if (contigmem_buffers[i] != NULL) + contigfree(contigmem_buffers[i], contigmem_buffer_size, + M_CONTIGMEM); + + return 0; +} + +static int +contigmem_physaddr(SYSCTL_HANDLER_ARGS) +{ + uint64_t physaddr; + int index = (int)(uintptr_t)arg1; + + physaddr = (uint64_t)vtophys(contigmem_buffers[index]); + return sysctl_handle_64(oidp, &physaddr, 0, req); +} + +static int +contigmem_open(struct cdev *cdev, int fflags, int devtype, + struct thread *td) +{ + return 0; +} + +static int +contigmem_mmap(struct cdev *cdev, vm_ooffset_t offset, vm_paddr_t *paddr, + int prot, vm_memattr_t *memattr) +{ + + *paddr = offset; + return 0; +} + +static int +contigmem_mmap_single(struct cdev *cdev, vm_ooffset_t *offset, vm_size_t size, + struct vm_object **obj, int nprot) +{ + /* + * The buffer index is encoded in the offset. Divide the offset by + * PAGE_SIZE to get the index of the buffer requested by the user + * app. + */ + if ((*offset/PAGE_SIZE) >= contigmem_num_buffers) + return EINVAL; + + *offset = (vm_ooffset_t)vtophys(contigmem_buffers[*offset/PAGE_SIZE]); + *obj = vm_pager_allocate(OBJT_DEVICE, cdev, size, nprot, *offset, + curthread->td_ucred); + + return 0; +} diff --git a/lib/librte_eal/bsdapp/eal/Makefile b/lib/librte_eal/bsdapp/eal/Makefile new file mode 100644 index 00000000..9054ad61 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/Makefile @@ -0,0 +1,117 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2015 Intel Corporation. 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 Intel Corporation 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 + +LIB = librte_eal.a + +ARCH_DIR ?= $(RTE_ARCH) +VPATH += $(RTE_SDK)/lib/librte_eal/common +VPATH += $(RTE_SDK)/lib/librte_eal/common/arch/$(ARCH_DIR) + +CFLAGS += -I$(SRCDIR)/include +CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common +CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include +CFLAGS += -I$(RTE_SDK)/lib/librte_ring +CFLAGS += -I$(RTE_SDK)/lib/librte_mempool +CFLAGS += $(WERROR_FLAGS) -O3 + +LDLIBS += -lexecinfo +LDLIBS += -lpthread +LDLIBS += -lgcc_s + +EXPORT_MAP := rte_eal_version.map + +LIBABIVER := 2 + +# specific to linuxapp exec-env +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) := eal.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_memory.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_hugepage_info.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_thread.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_log.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_pci.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_debug.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_lcore.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_timer.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_interrupts.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_alarm.c + +# from common dir +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_lcore.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_timer.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_memzone.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_log.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_launch.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_pci.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_pci_uio.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_memory.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_tailqs.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_errno.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_cpuflags.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_string_fns.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_hexdump.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_devargs.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_dev.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_options.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_thread.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_common_proc.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_malloc.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += malloc_elem.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += malloc_heap.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_keepalive.c + +# from arch dir +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_cpuflags.c + +CFLAGS_eal_common_cpuflags.o := $(CPUFLAGS_LIST) + +CFLAGS_eal.o := -D_GNU_SOURCE +#CFLAGS_eal_thread.o := -D_GNU_SOURCE +CFLAGS_eal_log.o := -D_GNU_SOURCE +CFLAGS_eal_common_log.o := -D_GNU_SOURCE + +# workaround for a gcc bug with noreturn attribute +# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603 +ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y) +CFLAGS_eal_thread.o += -Wno-return-type +CFLAGS_eal_hpet.o += -Wno-return-type +endif + +INC := rte_interrupts.h + +SYMLINK-$(CONFIG_RTE_EXEC_ENV_BSDAPP)-include/exec-env := \ + $(addprefix include/exec-env/,$(INC)) + +DEPDIRS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += lib/librte_eal/common +DEPDIRS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += lib/librte_eal/common/arch/$(ARCH_DIR) + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c new file mode 100644 index 00000000..06bfd4e0 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal.c @@ -0,0 +1,638 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. + * Copyright(c) 2014 6WIND S.A. + * 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 Intel Corporation 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 +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "eal_private.h" +#include "eal_thread.h" +#include "eal_internal_cfg.h" +#include "eal_filesystem.h" +#include "eal_hugepages.h" +#include "eal_options.h" + +#define MEMSIZE_IF_NO_HUGE_PAGE (64ULL * 1024ULL * 1024ULL) + +/* Allow the application to print its usage message too if set */ +static rte_usage_hook_t rte_application_usage_hook = NULL; +/* early configuration structure, when memory config is not mmapped */ +static struct rte_mem_config early_mem_config; + +/* define fd variable here, because file needs to be kept open for the + * duration of the program, as we hold a write lock on it in the primary proc */ +static int mem_cfg_fd = -1; + +static struct flock wr_lock = { + .l_type = F_WRLCK, + .l_whence = SEEK_SET, + .l_start = offsetof(struct rte_mem_config, memseg), + .l_len = sizeof(early_mem_config.memseg), +}; + +/* Address of global and public configuration */ +static struct rte_config rte_config = { + .mem_config = &early_mem_config, +}; + +/* internal configuration (per-core) */ +struct lcore_config lcore_config[RTE_MAX_LCORE]; + +/* internal configuration */ +struct internal_config internal_config; + +/* used by rte_rdtsc() */ +int rte_cycles_vmware_tsc_map; + +/* Return a pointer to the configuration structure */ +struct rte_config * +rte_eal_get_configuration(void) +{ + return &rte_config; +} + +/* parse a sysfs (or other) file containing one integer value */ +int +eal_parse_sysfs_value(const char *filename, unsigned long *val) +{ + FILE *f; + char buf[BUFSIZ]; + char *end = NULL; + + if ((f = fopen(filename, "r")) == NULL) { + RTE_LOG(ERR, EAL, "%s(): cannot open sysfs value %s\n", + __func__, filename); + return -1; + } + + if (fgets(buf, sizeof(buf), f) == NULL) { + RTE_LOG(ERR, EAL, "%s(): cannot read sysfs value %s\n", + __func__, filename); + fclose(f); + return -1; + } + *val = strtoul(buf, &end, 0); + if ((buf[0] == '\0') || (end == NULL) || (*end != '\n')) { + RTE_LOG(ERR, EAL, "%s(): cannot parse sysfs value %s\n", + __func__, filename); + fclose(f); + return -1; + } + fclose(f); + return 0; +} + + +/* create memory configuration in shared/mmap memory. Take out + * a write lock on the memsegs, so we can auto-detect primary/secondary. + * This means we never close the file while running (auto-close on exit). + * We also don't lock the whole file, so that in future we can use read-locks + * on other parts, e.g. memzones, to detect if there are running secondary + * processes. */ +static void +rte_eal_config_create(void) +{ + void *rte_mem_cfg_addr; + int retval; + + const char *pathname = eal_runtime_config_path(); + + if (internal_config.no_shconf) + return; + + if (mem_cfg_fd < 0){ + mem_cfg_fd = open(pathname, O_RDWR | O_CREAT, 0660); + if (mem_cfg_fd < 0) + rte_panic("Cannot open '%s' for rte_mem_config\n", pathname); + } + + retval = ftruncate(mem_cfg_fd, sizeof(*rte_config.mem_config)); + if (retval < 0){ + close(mem_cfg_fd); + rte_panic("Cannot resize '%s' for rte_mem_config\n", pathname); + } + + retval = fcntl(mem_cfg_fd, F_SETLK, &wr_lock); + if (retval < 0){ + close(mem_cfg_fd); + rte_exit(EXIT_FAILURE, "Cannot create lock on '%s'. Is another primary " + "process running?\n", pathname); + } + + rte_mem_cfg_addr = mmap(NULL, sizeof(*rte_config.mem_config), + PROT_READ | PROT_WRITE, MAP_SHARED, mem_cfg_fd, 0); + + if (rte_mem_cfg_addr == MAP_FAILED){ + rte_panic("Cannot mmap memory for rte_config\n"); + } + memcpy(rte_mem_cfg_addr, &early_mem_config, sizeof(early_mem_config)); + rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr; +} + +/* attach to an existing shared memory config */ +static void +rte_eal_config_attach(void) +{ + void *rte_mem_cfg_addr; + const char *pathname = eal_runtime_config_path(); + + if (internal_config.no_shconf) + return; + + if (mem_cfg_fd < 0){ + mem_cfg_fd = open(pathname, O_RDWR); + if (mem_cfg_fd < 0) + rte_panic("Cannot open '%s' for rte_mem_config\n", pathname); + } + + rte_mem_cfg_addr = mmap(NULL, sizeof(*rte_config.mem_config), + PROT_READ | PROT_WRITE, MAP_SHARED, mem_cfg_fd, 0); + close(mem_cfg_fd); + if (rte_mem_cfg_addr == MAP_FAILED) + rte_panic("Cannot mmap memory for rte_config\n"); + + rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr; +} + +/* Detect if we are a primary or a secondary process */ +enum rte_proc_type_t +eal_proc_type_detect(void) +{ + enum rte_proc_type_t ptype = RTE_PROC_PRIMARY; + const char *pathname = eal_runtime_config_path(); + + /* if we can open the file but not get a write-lock we are a secondary + * process. NOTE: if we get a file handle back, we keep that open + * and don't close it to prevent a race condition between multiple opens */ + if (((mem_cfg_fd = open(pathname, O_RDWR)) >= 0) && + (fcntl(mem_cfg_fd, F_SETLK, &wr_lock) < 0)) + ptype = RTE_PROC_SECONDARY; + + RTE_LOG(INFO, EAL, "Auto-detected process type: %s\n", + ptype == RTE_PROC_PRIMARY ? "PRIMARY" : "SECONDARY"); + + return ptype; +} + +/* Sets up rte_config structure with the pointer to shared memory config.*/ +static void +rte_config_init(void) +{ + rte_config.process_type = internal_config.process_type; + + switch (rte_config.process_type){ + case RTE_PROC_PRIMARY: + rte_eal_config_create(); + break; + case RTE_PROC_SECONDARY: + rte_eal_config_attach(); + rte_eal_mcfg_wait_complete(rte_config.mem_config); + break; + case RTE_PROC_AUTO: + case RTE_PROC_INVALID: + rte_panic("Invalid process type\n"); + } +} + +/* display usage */ +static void +eal_usage(const char *prgname) +{ + printf("\nUsage: %s ", prgname); + eal_common_usage(); + /* Allow the application to print its usage message too if hook is set */ + if ( rte_application_usage_hook ) { + printf("===== Application Usage =====\n\n"); + rte_application_usage_hook(prgname); + } +} + +/* Set a per-application usage message */ +rte_usage_hook_t +rte_set_application_usage_hook( rte_usage_hook_t usage_func ) +{ + rte_usage_hook_t old_func; + + /* Will be NULL on the first call to denote the last usage routine. */ + old_func = rte_application_usage_hook; + rte_application_usage_hook = usage_func; + + return old_func; +} + +static inline size_t +eal_get_hugepage_mem_size(void) +{ + uint64_t size = 0; + unsigned i, j; + + for (i = 0; i < internal_config.num_hugepage_sizes; i++) { + struct hugepage_info *hpi = &internal_config.hugepage_info[i]; + if (hpi->hugedir != NULL) { + for (j = 0; j < RTE_MAX_NUMA_NODES; j++) { + size += hpi->hugepage_sz * hpi->num_pages[j]; + } + } + } + + return (size < SIZE_MAX) ? (size_t)(size) : SIZE_MAX; +} + +/* Parse the arguments for --log-level only */ +static void +eal_log_level_parse(int argc, char **argv) +{ + int opt; + char **argvopt; + int option_index; + const int old_optind = optind; + const int old_optopt = optopt; + const int old_optreset = optreset; + char * const old_optarg = optarg; + + argvopt = argv; + optind = 1; + optreset = 1; + + eal_reset_internal_config(&internal_config); + + while ((opt = getopt_long(argc, argvopt, eal_short_options, + eal_long_options, &option_index)) != EOF) { + + int ret; + + /* getopt is not happy, stop right now */ + if (opt == '?') + break; + + ret = (opt == OPT_LOG_LEVEL_NUM) ? + eal_parse_common_option(opt, optarg, &internal_config) : 0; + + /* common parser is not happy */ + if (ret < 0) + break; + } + + /* restore getopt lib */ + optind = old_optind; + optopt = old_optopt; + optreset = old_optreset; + optarg = old_optarg; +} + +/* Parse the argument given in the command line of the application */ +static int +eal_parse_args(int argc, char **argv) +{ + int opt, ret; + char **argvopt; + int option_index; + char *prgname = argv[0]; + const int old_optind = optind; + const int old_optopt = optopt; + const int old_optreset = optreset; + char * const old_optarg = optarg; + + argvopt = argv; + optind = 1; + optreset = 1; + + while ((opt = getopt_long(argc, argvopt, eal_short_options, + eal_long_options, &option_index)) != EOF) { + + /* getopt is not happy, stop right now */ + if (opt == '?') { + eal_usage(prgname); + ret = -1; + goto out; + } + + ret = eal_parse_common_option(opt, optarg, &internal_config); + /* common parser is not happy */ + if (ret < 0) { + eal_usage(prgname); + ret = -1; + goto out; + } + /* common parser handled this option */ + if (ret == 0) + continue; + + switch (opt) { + case 'h': + eal_usage(prgname); + exit(EXIT_SUCCESS); + default: + if (opt < OPT_LONG_MIN_NUM && isprint(opt)) { + RTE_LOG(ERR, EAL, "Option %c is not supported " + "on FreeBSD\n", opt); + } else if (opt >= OPT_LONG_MIN_NUM && + opt < OPT_LONG_MAX_NUM) { + RTE_LOG(ERR, EAL, "Option %s is not supported " + "on FreeBSD\n", + eal_long_options[option_index].name); + } else { + RTE_LOG(ERR, EAL, "Option %d is not supported " + "on FreeBSD\n", opt); + } + eal_usage(prgname); + ret = -1; + goto out; + } + } + + if (eal_adjust_config(&internal_config) != 0) { + ret = -1; + goto out; + } + + /* sanity checks */ + if (eal_check_common_options(&internal_config) != 0) { + eal_usage(prgname); + ret = -1; + goto out; + } + + if (optind >= 0) + argv[optind-1] = prgname; + ret = optind-1; + +out: + /* restore getopt lib */ + optind = old_optind; + optopt = old_optopt; + optreset = old_optreset; + optarg = old_optarg; + + return ret; +} + +static void +eal_check_mem_on_local_socket(void) +{ + const struct rte_memseg *ms; + int i, socket_id; + + socket_id = rte_lcore_to_socket_id(rte_config.master_lcore); + + ms = rte_eal_get_physmem_layout(); + + for (i = 0; i < RTE_MAX_MEMSEG; i++) + if (ms[i].socket_id == socket_id && + ms[i].len > 0) + return; + + RTE_LOG(WARNING, EAL, "WARNING: Master core has no " + "memory on local socket!\n"); +} + +static int +sync_func(__attribute__((unused)) void *arg) +{ + return 0; +} + +inline static void +rte_eal_mcfg_complete(void) +{ + /* ALL shared mem_config related INIT DONE */ + if (rte_config.process_type == RTE_PROC_PRIMARY) + rte_config.mem_config->magic = RTE_MAGIC; +} + +/* return non-zero if hugepages are enabled. */ +int rte_eal_has_hugepages(void) +{ + return !internal_config.no_hugetlbfs; +} + +/* Abstraction for port I/0 privilege */ +int +rte_eal_iopl_init(void) +{ + static int fd; + + fd = open("/dev/io", O_RDWR); + if (fd < 0) + return -1; + /* keep fd open for iopl */ + return 0; +} + +/* Launch threads, called at application init(). */ +int +rte_eal_init(int argc, char **argv) +{ + int i, fctret, ret; + pthread_t thread_id; + static rte_atomic32_t run_once = RTE_ATOMIC32_INIT(0); + char cpuset[RTE_CPU_AFFINITY_STR_LEN]; + char thread_name[RTE_MAX_THREAD_NAME_LEN]; + + if (!rte_atomic32_test_and_set(&run_once)) + return -1; + + thread_id = pthread_self(); + + if (rte_eal_log_early_init() < 0) + rte_panic("Cannot init early logs\n"); + + eal_log_level_parse(argc, argv); + + /* set log level as early as possible */ + rte_set_log_level(internal_config.log_level); + + if (rte_eal_cpu_init() < 0) + rte_panic("Cannot detect lcores\n"); + + fctret = eal_parse_args(argc, argv); + if (fctret < 0) + exit(1); + + if (internal_config.no_hugetlbfs == 0 && + internal_config.process_type != RTE_PROC_SECONDARY && + eal_hugepage_info_init() < 0) + rte_panic("Cannot get hugepage information\n"); + + if (internal_config.memory == 0 && internal_config.force_sockets == 0) { + if (internal_config.no_hugetlbfs) + internal_config.memory = MEMSIZE_IF_NO_HUGE_PAGE; + else + internal_config.memory = eal_get_hugepage_mem_size(); + } + + if (internal_config.vmware_tsc_map == 1) { +#ifdef RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT + rte_cycles_vmware_tsc_map = 1; + RTE_LOG (DEBUG, EAL, "Using VMWARE TSC MAP, " + "you must have monitor_control.pseudo_perfctr = TRUE\n"); +#else + RTE_LOG (WARNING, EAL, "Ignoring --vmware-tsc-map because " + "RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT is not set\n"); +#endif + } + + rte_srand(rte_rdtsc()); + + rte_config_init(); + + if (rte_eal_memory_init() < 0) + rte_panic("Cannot init memory\n"); + + if (rte_eal_memzone_init() < 0) + rte_panic("Cannot init memzone\n"); + + if (rte_eal_tailqs_init() < 0) + rte_panic("Cannot init tail queues for objects\n"); + +/* if (rte_eal_log_init(argv[0], internal_config.syslog_facility) < 0) + rte_panic("Cannot init logs\n");*/ + + if (rte_eal_alarm_init() < 0) + rte_panic("Cannot init interrupt-handling thread\n"); + + if (rte_eal_intr_init() < 0) + rte_panic("Cannot init interrupt-handling thread\n"); + + if (rte_eal_timer_init() < 0) + rte_panic("Cannot init HPET or TSC timers\n"); + + if (rte_eal_pci_init() < 0) + rte_panic("Cannot init PCI\n"); + + eal_check_mem_on_local_socket(); + + if (eal_plugins_init() < 0) + rte_panic("Cannot init plugins\n"); + + eal_thread_init_master(rte_config.master_lcore); + + ret = eal_thread_dump_affinity(cpuset, RTE_CPU_AFFINITY_STR_LEN); + + RTE_LOG(DEBUG, EAL, "Master lcore %u is ready (tid=%p;cpuset=[%s%s])\n", + rte_config.master_lcore, thread_id, cpuset, + ret == 0 ? "" : "..."); + + if (rte_eal_dev_init() < 0) + rte_panic("Cannot init pmd devices\n"); + + RTE_LCORE_FOREACH_SLAVE(i) { + + /* + * create communication pipes between master thread + * and children + */ + if (pipe(lcore_config[i].pipe_master2slave) < 0) + rte_panic("Cannot create pipe\n"); + if (pipe(lcore_config[i].pipe_slave2master) < 0) + rte_panic("Cannot create pipe\n"); + + lcore_config[i].state = WAIT; + + /* create a thread for each lcore */ + ret = pthread_create(&lcore_config[i].thread_id, NULL, + eal_thread_loop, NULL); + if (ret != 0) + rte_panic("Cannot create thread\n"); + + /* Set thread_name for aid in debugging. */ + snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN, + "lcore-slave-%d", i); + pthread_set_name_np(lcore_config[i].thread_id, thread_name); + } + + /* + * Launch a dummy function on all slave lcores, so that master lcore + * knows they are all ready when this function returns. + */ + rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER); + rte_eal_mp_wait_lcore(); + + /* Probe & Initialize PCI devices */ + if (rte_eal_pci_probe()) + rte_panic("Cannot probe PCI\n"); + + rte_eal_mcfg_complete(); + + return fctret; +} + +/* get core role */ +enum rte_lcore_role_t +rte_eal_lcore_role(unsigned lcore_id) +{ + return rte_config.lcore_role[lcore_id]; +} + +enum rte_proc_type_t +rte_eal_process_type(void) +{ + return rte_config.process_type; +} diff --git a/lib/librte_eal/bsdapp/eal/eal_alarm.c b/lib/librte_eal/bsdapp/eal/eal_alarm.c new file mode 100644 index 00000000..204df85d --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_alarm.c @@ -0,0 +1,60 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 "eal_private.h" + +int +rte_eal_alarm_init(void) +{ + return 0; +} + + +int +rte_eal_alarm_set(uint64_t us __rte_unused, + rte_eal_alarm_callback cb_fn __rte_unused, + void *cb_arg __rte_unused) +{ + return -ENOTSUP; +} + +int +rte_eal_alarm_cancel(rte_eal_alarm_callback cb_fn __rte_unused, + void *cb_arg __rte_unused) +{ + return -ENOTSUP; +} diff --git a/lib/librte_eal/bsdapp/eal/eal_debug.c b/lib/librte_eal/bsdapp/eal/eal_debug.c new file mode 100644 index 00000000..907fbfa7 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_debug.c @@ -0,0 +1,119 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 + +#define BACKTRACE_SIZE 256 + +/* dump the stack of the calling core */ +void rte_dump_stack(void) +{ + void *func[BACKTRACE_SIZE]; + char **symb = NULL; + int size; + + size = backtrace(func, BACKTRACE_SIZE); + symb = backtrace_symbols(func, size); + + if (symb == NULL) + return; + + while (size > 0) { + rte_log(RTE_LOG_ERR, RTE_LOGTYPE_EAL, + "%d: [%s]\n", size, symb[size - 1]); + size --; + } + + free(symb); +} + +/* not implemented in this environment */ +void rte_dump_registers(void) +{ + return; +} + +/* call abort(), it will generate a coredump if enabled */ +void __rte_panic(const char *funcname, const char *format, ...) +{ + va_list ap; + + /* disable history */ + rte_log_set_history(0); + + rte_log(RTE_LOG_CRIT, RTE_LOGTYPE_EAL, "PANIC in %s():\n", funcname); + va_start(ap, format); + rte_vlog(RTE_LOG_CRIT, RTE_LOGTYPE_EAL, format, ap); + va_end(ap); + rte_dump_stack(); + rte_dump_registers(); + abort(); +} + +/* + * Like rte_panic this terminates the application. However, no traceback is + * provided and no core-dump is generated. + */ +void +rte_exit(int exit_code, const char *format, ...) +{ + va_list ap; + + /* disable history */ + rte_log_set_history(0); + + if (exit_code != 0) + RTE_LOG(CRIT, EAL, "Error - exiting with code: %d\n" + " Cause: ", exit_code); + + va_start(ap, format); + rte_vlog(RTE_LOG_CRIT, RTE_LOGTYPE_EAL, format, ap); + va_end(ap); + +#ifndef RTE_EAL_ALWAYS_PANIC_ON_ERROR + exit(exit_code); +#else + rte_dump_stack(); + rte_dump_registers(); + abort(); +#endif +} diff --git a/lib/librte_eal/bsdapp/eal/eal_hugepage_info.c b/lib/librte_eal/bsdapp/eal/eal_hugepage_info.c new file mode 100644 index 00000000..8a33c30c --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_hugepage_info.c @@ -0,0 +1,134 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 "eal_hugepages.h" +#include "eal_internal_cfg.h" +#include "eal_filesystem.h" + +#define CONTIGMEM_DEV "/dev/contigmem" + +/* + * Uses mmap to create a shared memory area for storage of data + * Used in this file to store the hugepage file map on disk + */ +static void * +create_shared_memory(const char *filename, const size_t mem_size) +{ + void *retval; + int fd = open(filename, O_CREAT | O_RDWR, 0666); + if (fd < 0) + return NULL; + if (ftruncate(fd, mem_size) < 0) { + close(fd); + return NULL; + } + retval = mmap(NULL, mem_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + close(fd); + return retval; +} + +/* + * No hugepage support on freebsd, but we dummy it, using contigmem driver + */ +int +eal_hugepage_info_init(void) +{ + size_t sysctl_size; + int num_buffers, fd, error; + int64_t buffer_size; + /* re-use the linux "internal config" structure for our memory data */ + struct hugepage_info *hpi = &internal_config.hugepage_info[0]; + struct hugepage_info *tmp_hpi; + + sysctl_size = sizeof(num_buffers); + error = sysctlbyname("hw.contigmem.num_buffers", &num_buffers, + &sysctl_size, NULL, 0); + + if (error != 0) { + RTE_LOG(ERR, EAL, "could not read sysctl hw.contigmem.num_buffers"); + return -1; + } + + sysctl_size = sizeof(buffer_size); + error = sysctlbyname("hw.contigmem.buffer_size", &buffer_size, + &sysctl_size, NULL, 0); + + if (error != 0) { + RTE_LOG(ERR, EAL, "could not read sysctl hw.contigmem.buffer_size"); + return -1; + } + + fd = open(CONTIGMEM_DEV, O_RDWR); + if (fd < 0) { + RTE_LOG(ERR, EAL, "could not open "CONTIGMEM_DEV"\n"); + return -1; + } + + if (buffer_size >= 1<<30) + RTE_LOG(INFO, EAL, "Contigmem driver has %d buffers, each of size %dGB\n", + num_buffers, (int)(buffer_size>>30)); + else if (buffer_size >= 1<<20) + RTE_LOG(INFO, EAL, "Contigmem driver has %d buffers, each of size %dMB\n", + num_buffers, (int)(buffer_size>>20)); + else + RTE_LOG(INFO, EAL, "Contigmem driver has %d buffers, each of size %dKB\n", + num_buffers, (int)(buffer_size>>10)); + + internal_config.num_hugepage_sizes = 1; + hpi->hugedir = CONTIGMEM_DEV; + hpi->hugepage_sz = buffer_size; + hpi->num_pages[0] = num_buffers; + hpi->lock_descriptor = fd; + + tmp_hpi = create_shared_memory(eal_hugepage_info_path(), + sizeof(struct hugepage_info)); + if (tmp_hpi == NULL ) { + RTE_LOG(ERR, EAL, "Failed to create shared memory!\n"); + return -1; + } + + memcpy(tmp_hpi, hpi, sizeof(struct hugepage_info)); + + if ( munmap(tmp_hpi, sizeof(struct hugepage_info)) < 0) { + RTE_LOG(ERR, EAL, "Failed to unmap shared memory!\n"); + return -1; + } + + return 0; +} diff --git a/lib/librte_eal/bsdapp/eal/eal_interrupts.c b/lib/librte_eal/bsdapp/eal/eal_interrupts.c new file mode 100644 index 00000000..836e4836 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_interrupts.c @@ -0,0 +1,119 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 "eal_private.h" + +int +rte_intr_callback_register(struct rte_intr_handle *intr_handle __rte_unused, + rte_intr_callback_fn cb __rte_unused, + void *cb_arg __rte_unused) +{ + return -ENOTSUP; +} + +int +rte_intr_callback_unregister(struct rte_intr_handle *intr_handle __rte_unused, + rte_intr_callback_fn cb_fn __rte_unused, + void *cb_arg __rte_unused) +{ + return -ENOTSUP; +} + +int +rte_intr_enable(struct rte_intr_handle *intr_handle __rte_unused) +{ + return -ENOTSUP; +} + +int +rte_intr_disable(struct rte_intr_handle *intr_handle __rte_unused) +{ + return -ENOTSUP; +} + +int +rte_eal_intr_init(void) +{ + return 0; +} + +int +rte_intr_rx_ctl(struct rte_intr_handle *intr_handle, + int epfd, int op, unsigned int vec, void *data) +{ + RTE_SET_USED(intr_handle); + RTE_SET_USED(epfd); + RTE_SET_USED(op); + RTE_SET_USED(vec); + RTE_SET_USED(data); + + return -ENOTSUP; +} + +int +rte_intr_efd_enable(struct rte_intr_handle *intr_handle, uint32_t nb_efd) +{ + RTE_SET_USED(intr_handle); + RTE_SET_USED(nb_efd); + + return 0; +} + +void +rte_intr_efd_disable(struct rte_intr_handle *intr_handle) +{ + RTE_SET_USED(intr_handle); +} + +int +rte_intr_dp_is_en(struct rte_intr_handle *intr_handle) +{ + RTE_SET_USED(intr_handle); + return 0; +} + +int +rte_intr_allow_others(struct rte_intr_handle *intr_handle) +{ + RTE_SET_USED(intr_handle); + return 1; +} + +int +rte_intr_cap_multiple(struct rte_intr_handle *intr_handle) +{ + RTE_SET_USED(intr_handle); + return 0; +} diff --git a/lib/librte_eal/bsdapp/eal/eal_lcore.c b/lib/librte_eal/bsdapp/eal/eal_lcore.c new file mode 100644 index 00000000..b8bfafde --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_lcore.c @@ -0,0 +1,79 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 "eal_private.h" +#include "eal_thread.h" + +/* No topology information available on FreeBSD including NUMA info */ +unsigned +eal_cpu_core_id(__rte_unused unsigned lcore_id) +{ + return 0; +} + +static int +eal_get_ncpus(void) +{ + int mib[2] = {CTL_HW, HW_NCPU}; + int ncpu; + size_t len = sizeof(ncpu); + + sysctl(mib, 2, &ncpu, &len, NULL, 0); + RTE_LOG(INFO, EAL, "Sysctl reports %d cpus\n", ncpu); + return ncpu; +} + +unsigned +eal_cpu_socket_id(__rte_unused unsigned cpu_id) +{ + return 0; +} + +/* Check if a cpu is present by the presence of the + * cpu information for it. + */ +int +eal_cpu_detected(unsigned lcore_id) +{ + const unsigned ncpus = eal_get_ncpus(); + return lcore_id < ncpus; +} diff --git a/lib/librte_eal/bsdapp/eal/eal_log.c b/lib/librte_eal/bsdapp/eal/eal_log.c new file mode 100644 index 00000000..a425f7a8 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_log.c @@ -0,0 +1,57 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 + +/* + * set the log to default function, called during eal init process, + * once memzones are available. + */ +int +rte_eal_log_init(const char *id __rte_unused, int facility __rte_unused) +{ + if (rte_eal_common_log_init(stderr) < 0) + return -1; + return 0; +} + +int +rte_eal_log_early_init(void) +{ + rte_openlog_stream(stderr); + return 0; +} diff --git a/lib/librte_eal/bsdapp/eal/eal_memory.c b/lib/librte_eal/bsdapp/eal/eal_memory.c new file mode 100644 index 00000000..3614da8d --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_memory.c @@ -0,0 +1,194 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 +#include "eal_private.h" +#include "eal_internal_cfg.h" +#include "eal_filesystem.h" + +#define EAL_PAGE_SIZE (sysconf(_SC_PAGESIZE)) + +/* + * Get physical address of any mapped virtual address in the current process. + */ +phys_addr_t +rte_mem_virt2phy(const void *virtaddr) +{ + /* XXX not implemented. This function is only used by + * rte_mempool_virt2phy() when hugepages are disabled. */ + (void)virtaddr; + return RTE_BAD_PHYS_ADDR; +} + +int +rte_eal_hugepage_init(void) +{ + struct rte_mem_config *mcfg; + uint64_t total_mem = 0; + void *addr; + unsigned i, j, seg_idx = 0; + + /* get pointer to global configuration */ + mcfg = rte_eal_get_configuration()->mem_config; + + /* for debug purposes, hugetlbfs can be disabled */ + if (internal_config.no_hugetlbfs) { + addr = malloc(internal_config.memory); + mcfg->memseg[0].phys_addr = (phys_addr_t)(uintptr_t)addr; + mcfg->memseg[0].addr = addr; + mcfg->memseg[0].hugepage_sz = RTE_PGSIZE_4K; + mcfg->memseg[0].len = internal_config.memory; + mcfg->memseg[0].socket_id = 0; + return 0; + } + + /* map all hugepages and sort them */ + for (i = 0; i < internal_config.num_hugepage_sizes; i ++){ + struct hugepage_info *hpi; + + hpi = &internal_config.hugepage_info[i]; + for (j = 0; j < hpi->num_pages[0]; j++) { + struct rte_memseg *seg; + uint64_t physaddr; + int error; + size_t sysctl_size = sizeof(physaddr); + char physaddr_str[64]; + + addr = mmap(NULL, hpi->hugepage_sz, PROT_READ|PROT_WRITE, + MAP_SHARED, hpi->lock_descriptor, + j * EAL_PAGE_SIZE); + if (addr == MAP_FAILED) { + RTE_LOG(ERR, EAL, "Failed to mmap buffer %u from %s\n", + j, hpi->hugedir); + return -1; + } + + snprintf(physaddr_str, sizeof(physaddr_str), "hw.contigmem" + ".physaddr.%d", j); + error = sysctlbyname(physaddr_str, &physaddr, &sysctl_size, + NULL, 0); + if (error < 0) { + RTE_LOG(ERR, EAL, "Failed to get physical addr for buffer %u " + "from %s\n", j, hpi->hugedir); + return -1; + } + + seg = &mcfg->memseg[seg_idx++]; + seg->addr = addr; + seg->phys_addr = physaddr; + seg->hugepage_sz = hpi->hugepage_sz; + seg->len = hpi->hugepage_sz; + seg->nchannel = mcfg->nchannel; + seg->nrank = mcfg->nrank; + seg->socket_id = 0; + + RTE_LOG(INFO, EAL, "Mapped memory segment %u @ %p: physaddr:0x%" + PRIx64", len %zu\n", + seg_idx, addr, physaddr, hpi->hugepage_sz); + if (total_mem >= internal_config.memory || + seg_idx >= RTE_MAX_MEMSEG) + break; + } + } + return 0; +} + +int +rte_eal_hugepage_attach(void) +{ + const struct hugepage_info *hpi; + int fd_hugepage_info, fd_hugepage = -1; + unsigned i = 0; + struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config; + + /* Obtain a file descriptor for hugepage_info */ + fd_hugepage_info = open(eal_hugepage_info_path(), O_RDONLY); + if (fd_hugepage_info < 0) { + RTE_LOG(ERR, EAL, "Could not open %s\n", eal_hugepage_info_path()); + return -1; + } + + /* Map the shared hugepage_info into the process address spaces */ + hpi = mmap(NULL, sizeof(struct hugepage_info), PROT_READ, MAP_PRIVATE, + fd_hugepage_info, 0); + if (hpi == NULL) { + RTE_LOG(ERR, EAL, "Could not mmap %s\n", eal_hugepage_info_path()); + goto error; + } + + /* Obtain a file descriptor for contiguous memory */ + fd_hugepage = open(hpi->hugedir, O_RDWR); + if (fd_hugepage < 0) { + RTE_LOG(ERR, EAL, "Could not open %s\n", hpi->hugedir); + goto error; + } + + /* Map the contiguous memory into each memory segment */ + for (i = 0; i < hpi->num_pages[0]; i++) { + + void *addr; + struct rte_memseg *seg = &mcfg->memseg[i]; + + addr = mmap(seg->addr, hpi->hugepage_sz, PROT_READ|PROT_WRITE, + MAP_SHARED|MAP_FIXED, fd_hugepage, + i * EAL_PAGE_SIZE); + if (addr == MAP_FAILED || addr != seg->addr) { + RTE_LOG(ERR, EAL, "Failed to mmap buffer %u from %s\n", + i, hpi->hugedir); + goto error; + } + + } + + /* hugepage_info is no longer required */ + munmap((void *)(uintptr_t)hpi, sizeof(struct hugepage_info)); + close(fd_hugepage_info); + close(fd_hugepage); + return 0; + +error: + if (fd_hugepage_info >= 0) + close(fd_hugepage_info); + if (fd_hugepage >= 0) + close(fd_hugepage); + return -1; +} diff --git a/lib/librte_eal/bsdapp/eal/eal_pci.c b/lib/librte_eal/bsdapp/eal/eal_pci.c new file mode 100644 index 00000000..2d16d782 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_pci.c @@ -0,0 +1,633 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(RTE_ARCH_X86) +#include +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "eal_filesystem.h" +#include "eal_private.h" + +/** + * @file + * PCI probing under linux + * + * This code is used to simulate a PCI probe by parsing information in + * sysfs. Moreover, when a registered driver matches a device, the + * kernel driver currently using it is unloaded and replaced by + * igb_uio module, which is a very minimal userland driver for Intel + * network card, only providing access to PCI BAR to applications, and + * enabling bus master. + */ + +/* unbind kernel driver for this device */ +int +pci_unbind_kernel_driver(struct rte_pci_device *dev __rte_unused) +{ + RTE_LOG(ERR, EAL, "RTE_PCI_DRV_FORCE_UNBIND flag is not implemented " + "for BSD\n"); + return -ENOTSUP; +} + +/* Map pci device */ +int +rte_eal_pci_map_device(struct rte_pci_device *dev) +{ + int ret = -1; + + /* try mapping the NIC resources */ + switch (dev->kdrv) { + case RTE_KDRV_NIC_UIO: + /* map resources for devices that use uio */ + ret = pci_uio_map_resource(dev); + break; + default: + RTE_LOG(DEBUG, EAL, + " Not managed by a supported kernel driver, skipped\n"); + ret = 1; + break; + } + + return ret; +} + +/* Unmap pci device */ +void +rte_eal_pci_unmap_device(struct rte_pci_device *dev) +{ + /* try unmapping the NIC resources */ + switch (dev->kdrv) { + case RTE_KDRV_NIC_UIO: + /* unmap resources for devices that use uio */ + pci_uio_unmap_resource(dev); + break; + default: + RTE_LOG(DEBUG, EAL, + " Not managed by a supported kernel driver, skipped\n"); + break; + } +} + +void +pci_uio_free_resource(struct rte_pci_device *dev, + struct mapped_pci_resource *uio_res) +{ + rte_free(uio_res); + + if (dev->intr_handle.fd) { + close(dev->intr_handle.fd); + dev->intr_handle.fd = -1; + dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN; + } +} + +int +pci_uio_alloc_resource(struct rte_pci_device *dev, + struct mapped_pci_resource **uio_res) +{ + char devname[PATH_MAX]; /* contains the /dev/uioX */ + struct rte_pci_addr *loc; + + loc = &dev->addr; + + snprintf(devname, sizeof(devname), "/dev/uio@pci:%u:%u:%u", + dev->addr.bus, dev->addr.devid, dev->addr.function); + + if (access(devname, O_RDWR) < 0) { + RTE_LOG(WARNING, EAL, " "PCI_PRI_FMT" not managed by UIO driver, " + "skipping\n", loc->domain, loc->bus, loc->devid, loc->function); + return 1; + } + + /* save fd if in primary process */ + dev->intr_handle.fd = open(devname, O_RDWR); + if (dev->intr_handle.fd < 0) { + RTE_LOG(ERR, EAL, "Cannot open %s: %s\n", + devname, strerror(errno)); + goto error; + } + dev->intr_handle.type = RTE_INTR_HANDLE_UIO; + + /* allocate the mapping details for secondary processes*/ + *uio_res = rte_zmalloc("UIO_RES", sizeof(**uio_res), 0); + if (*uio_res == NULL) { + RTE_LOG(ERR, EAL, + "%s(): cannot store uio mmap details\n", __func__); + goto error; + } + + snprintf((*uio_res)->path, sizeof((*uio_res)->path), "%s", devname); + memcpy(&(*uio_res)->pci_addr, &dev->addr, sizeof((*uio_res)->pci_addr)); + + return 0; + +error: + pci_uio_free_resource(dev, *uio_res); + return -1; +} + +int +pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx, + struct mapped_pci_resource *uio_res, int map_idx) +{ + int fd; + char *devname; + void *mapaddr; + uint64_t offset; + uint64_t pagesz; + struct pci_map *maps; + + maps = uio_res->maps; + devname = uio_res->path; + pagesz = sysconf(_SC_PAGESIZE); + + /* allocate memory to keep path */ + maps[map_idx].path = rte_malloc(NULL, strlen(devname) + 1, 0); + if (maps[map_idx].path == NULL) { + RTE_LOG(ERR, EAL, "Cannot allocate memory for path: %s\n", + strerror(errno)); + return -1; + } + + /* + * open resource file, to mmap it + */ + fd = open(devname, O_RDWR); + if (fd < 0) { + RTE_LOG(ERR, EAL, "Cannot open %s: %s\n", + devname, strerror(errno)); + goto error; + } + + /* if matching map is found, then use it */ + offset = res_idx * pagesz; + mapaddr = pci_map_resource(NULL, fd, (off_t)offset, + (size_t)dev->mem_resource[res_idx].len, 0); + close(fd); + if (mapaddr == MAP_FAILED) + goto error; + + maps[map_idx].phaddr = dev->mem_resource[res_idx].phys_addr; + maps[map_idx].size = dev->mem_resource[res_idx].len; + maps[map_idx].addr = mapaddr; + maps[map_idx].offset = offset; + strcpy(maps[map_idx].path, devname); + dev->mem_resource[res_idx].addr = mapaddr; + + return 0; + +error: + rte_free(maps[map_idx].path); + return -1; +} + +static int +pci_scan_one(int dev_pci_fd, struct pci_conf *conf) +{ + struct rte_pci_device *dev; + struct pci_bar_io bar; + unsigned i, max; + + dev = malloc(sizeof(*dev)); + if (dev == NULL) { + return -1; + } + + memset(dev, 0, sizeof(*dev)); + dev->addr.domain = conf->pc_sel.pc_domain; + dev->addr.bus = conf->pc_sel.pc_bus; + dev->addr.devid = conf->pc_sel.pc_dev; + dev->addr.function = conf->pc_sel.pc_func; + + /* get vendor id */ + dev->id.vendor_id = conf->pc_vendor; + + /* get device id */ + dev->id.device_id = conf->pc_device; + + /* get subsystem_vendor id */ + dev->id.subsystem_vendor_id = conf->pc_subvendor; + + /* get subsystem_device id */ + dev->id.subsystem_device_id = conf->pc_subdevice; + + /* TODO: get max_vfs */ + dev->max_vfs = 0; + + /* FreeBSD has no NUMA support (yet) */ + dev->numa_node = 0; + + /* FreeBSD has only one pass through driver */ + dev->kdrv = RTE_KDRV_NIC_UIO; + + /* parse resources */ + switch (conf->pc_hdr & PCIM_HDRTYPE) { + case PCIM_HDRTYPE_NORMAL: + max = PCIR_MAX_BAR_0; + break; + case PCIM_HDRTYPE_BRIDGE: + max = PCIR_MAX_BAR_1; + break; + case PCIM_HDRTYPE_CARDBUS: + max = PCIR_MAX_BAR_2; + break; + default: + goto skipdev; + } + + for (i = 0; i <= max; i++) { + bar.pbi_sel = conf->pc_sel; + bar.pbi_reg = PCIR_BAR(i); + if (ioctl(dev_pci_fd, PCIOCGETBAR, &bar) < 0) + continue; + + dev->mem_resource[i].len = bar.pbi_length; + if (PCI_BAR_IO(bar.pbi_base)) { + dev->mem_resource[i].addr = (void *)(bar.pbi_base & ~((uint64_t)0xf)); + continue; + } + dev->mem_resource[i].phys_addr = bar.pbi_base & ~((uint64_t)0xf); + } + + /* device is valid, add in list (sorted) */ + if (TAILQ_EMPTY(&pci_device_list)) { + TAILQ_INSERT_TAIL(&pci_device_list, dev, next); + } + else { + struct rte_pci_device *dev2 = NULL; + int ret; + + TAILQ_FOREACH(dev2, &pci_device_list, next) { + ret = rte_eal_compare_pci_addr(&dev->addr, &dev2->addr); + if (ret > 0) + continue; + else if (ret < 0) { + TAILQ_INSERT_BEFORE(dev2, dev, next); + return 0; + } else { /* already registered */ + dev2->kdrv = dev->kdrv; + dev2->max_vfs = dev->max_vfs; + memmove(dev2->mem_resource, + dev->mem_resource, + sizeof(dev->mem_resource)); + free(dev); + return 0; + } + } + TAILQ_INSERT_TAIL(&pci_device_list, dev, next); + } + + return 0; + +skipdev: + free(dev); + return 0; +} + +/* + * Scan the content of the PCI bus, and add the devices in the devices + * list. Call pci_scan_one() for each pci entry found. + */ +int +rte_eal_pci_scan(void) +{ + int fd; + unsigned dev_count = 0; + struct pci_conf matches[16]; + struct pci_conf_io conf_io = { + .pat_buf_len = 0, + .num_patterns = 0, + .patterns = NULL, + .match_buf_len = sizeof(matches), + .matches = &matches[0], + }; + + fd = open("/dev/pci", O_RDONLY); + if (fd < 0) { + RTE_LOG(ERR, EAL, "%s(): error opening /dev/pci\n", __func__); + goto error; + } + + do { + unsigned i; + if (ioctl(fd, PCIOCGETCONF, &conf_io) < 0) { + RTE_LOG(ERR, EAL, "%s(): error with ioctl on /dev/pci: %s\n", + __func__, strerror(errno)); + goto error; + } + + for (i = 0; i < conf_io.num_matches; i++) + if (pci_scan_one(fd, &matches[i]) < 0) + goto error; + + dev_count += conf_io.num_matches; + } while(conf_io.status == PCI_GETCONF_MORE_DEVS); + + close(fd); + + RTE_LOG(ERR, EAL, "PCI scan found %u devices\n", dev_count); + return 0; + +error: + if (fd >= 0) + close(fd); + return -1; +} + +/* Read PCI config space. */ +int rte_eal_pci_read_config(const struct rte_pci_device *dev, + void *buf, size_t len, off_t offset) +{ + int fd = -1; + struct pci_io pi = { + .pi_sel = { + .pc_domain = dev->addr.domain, + .pc_bus = dev->addr.bus, + .pc_dev = dev->addr.devid, + .pc_func = dev->addr.function, + }, + .pi_reg = offset, + .pi_width = len, + }; + + if (len == 3 || len > sizeof(pi.pi_data)) { + RTE_LOG(ERR, EAL, "%s(): invalid pci read length\n", __func__); + goto error; + } + + fd = open("/dev/pci", O_RDONLY); + if (fd < 0) { + RTE_LOG(ERR, EAL, "%s(): error opening /dev/pci\n", __func__); + goto error; + } + + if (ioctl(fd, PCIOCREAD, &pi) < 0) + goto error; + close(fd); + + memcpy(buf, &pi.pi_data, len); + return 0; + + error: + if (fd >= 0) + close(fd); + return -1; +} + +/* Write PCI config space. */ +int rte_eal_pci_write_config(const struct rte_pci_device *dev, + const void *buf, size_t len, off_t offset) +{ + int fd = -1; + + struct pci_io pi = { + .pi_sel = { + .pc_domain = dev->addr.domain, + .pc_bus = dev->addr.bus, + .pc_dev = dev->addr.devid, + .pc_func = dev->addr.function, + }, + .pi_reg = offset, + .pi_data = *(const uint32_t *)buf, + .pi_width = len, + }; + + if (len == 3 || len > sizeof(pi.pi_data)) { + RTE_LOG(ERR, EAL, "%s(): invalid pci read length\n", __func__); + goto error; + } + + memcpy(&pi.pi_data, buf, len); + + fd = open("/dev/pci", O_RDONLY); + if (fd < 0) { + RTE_LOG(ERR, EAL, "%s(): error opening /dev/pci\n", __func__); + goto error; + } + + if (ioctl(fd, PCIOCWRITE, &pi) < 0) + goto error; + + close(fd); + return 0; + + error: + if (fd >= 0) + close(fd); + return -1; +} + +int +rte_eal_pci_ioport_map(struct rte_pci_device *dev, int bar, + struct rte_pci_ioport *p) +{ + int ret; + + switch (dev->kdrv) { +#if defined(RTE_ARCH_X86) + case RTE_KDRV_NIC_UIO: + if ((uintptr_t) dev->mem_resource[bar].addr <= UINT16_MAX) { + p->base = (uintptr_t)dev->mem_resource[bar].addr; + ret = 0; + } else + ret = -1; + break; +#endif + default: + ret = -1; + break; + } + + if (!ret) + p->dev = dev; + + return ret; +} + +static void +pci_uio_ioport_read(struct rte_pci_ioport *p, + void *data, size_t len, off_t offset) +{ +#if defined(RTE_ARCH_X86) + uint8_t *d; + int size; + unsigned short reg = p->base + offset; + + for (d = data; len > 0; d += size, reg += size, len -= size) { + if (len >= 4) { + size = 4; + *(uint32_t *)d = inl(reg); + } else if (len >= 2) { + size = 2; + *(uint16_t *)d = inw(reg); + } else { + size = 1; + *d = inb(reg); + } + } +#else + RTE_SET_USED(p); + RTE_SET_USED(data); + RTE_SET_USED(len); + RTE_SET_USED(offset); +#endif +} + +void +rte_eal_pci_ioport_read(struct rte_pci_ioport *p, + void *data, size_t len, off_t offset) +{ + switch (p->dev->kdrv) { + case RTE_KDRV_NIC_UIO: + pci_uio_ioport_read(p, data, len, offset); + break; + default: + break; + } +} + +static void +pci_uio_ioport_write(struct rte_pci_ioport *p, + const void *data, size_t len, off_t offset) +{ +#if defined(RTE_ARCH_X86) + const uint8_t *s; + int size; + unsigned short reg = p->base + offset; + + for (s = data; len > 0; s += size, reg += size, len -= size) { + if (len >= 4) { + size = 4; + outl(*(const uint32_t *)s, reg); + } else if (len >= 2) { + size = 2; + outw(*(const uint16_t *)s, reg); + } else { + size = 1; + outb(*s, reg); + } + } +#else + RTE_SET_USED(p); + RTE_SET_USED(data); + RTE_SET_USED(len); + RTE_SET_USED(offset); +#endif +} + +void +rte_eal_pci_ioport_write(struct rte_pci_ioport *p, + const void *data, size_t len, off_t offset) +{ + switch (p->dev->kdrv) { + case RTE_KDRV_NIC_UIO: + pci_uio_ioport_write(p, data, len, offset); + break; + default: + break; + } +} + +int +rte_eal_pci_ioport_unmap(struct rte_pci_ioport *p) +{ + int ret; + + switch (p->dev->kdrv) { +#if defined(RTE_ARCH_X86) + case RTE_KDRV_NIC_UIO: + ret = 0; + break; +#endif + default: + ret = -1; + break; + } + + return ret; +} + +/* Init the PCI EAL subsystem */ +int +rte_eal_pci_init(void) +{ + TAILQ_INIT(&pci_driver_list); + TAILQ_INIT(&pci_device_list); + + /* for debug purposes, PCI can be disabled */ + if (internal_config.no_pci) + return 0; + + if (rte_eal_pci_scan() < 0) { + RTE_LOG(ERR, EAL, "%s(): Cannot scan PCI bus\n", __func__); + return -1; + } + return 0; +} diff --git a/lib/librte_eal/bsdapp/eal/eal_thread.c b/lib/librte_eal/bsdapp/eal/eal_thread.c new file mode 100644 index 00000000..9a034373 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_thread.c @@ -0,0 +1,201 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "eal_private.h" +#include "eal_thread.h" + +RTE_DEFINE_PER_LCORE(unsigned, _lcore_id) = LCORE_ID_ANY; +RTE_DEFINE_PER_LCORE(unsigned, _socket_id) = (unsigned)SOCKET_ID_ANY; +RTE_DEFINE_PER_LCORE(rte_cpuset_t, _cpuset); + +/* + * Send a message to a slave lcore identified by slave_id to call a + * function f with argument arg. Once the execution is done, the + * remote lcore switch in FINISHED state. + */ +int +rte_eal_remote_launch(int (*f)(void *), void *arg, unsigned slave_id) +{ + int n; + char c = 0; + int m2s = lcore_config[slave_id].pipe_master2slave[1]; + int s2m = lcore_config[slave_id].pipe_slave2master[0]; + + if (lcore_config[slave_id].state != WAIT) + return -EBUSY; + + lcore_config[slave_id].f = f; + lcore_config[slave_id].arg = arg; + + /* send message */ + n = 0; + while (n == 0 || (n < 0 && errno == EINTR)) + n = write(m2s, &c, 1); + if (n < 0) + rte_panic("cannot write on configuration pipe\n"); + + /* wait ack */ + do { + n = read(s2m, &c, 1); + } while (n < 0 && errno == EINTR); + + if (n <= 0) + rte_panic("cannot read on configuration pipe\n"); + + return 0; +} + +/* set affinity for current thread */ +static int +eal_thread_set_affinity(void) +{ + unsigned lcore_id = rte_lcore_id(); + + /* acquire system unique id */ + rte_gettid(); + + /* update EAL thread core affinity */ + return rte_thread_set_affinity(&lcore_config[lcore_id].cpuset); +} + +void eal_thread_init_master(unsigned lcore_id) +{ + /* set the lcore ID in per-lcore memory area */ + RTE_PER_LCORE(_lcore_id) = lcore_id; + + /* set CPU affinity */ + if (eal_thread_set_affinity() < 0) + rte_panic("cannot set affinity\n"); +} + +/* main loop of threads */ +__attribute__((noreturn)) void * +eal_thread_loop(__attribute__((unused)) void *arg) +{ + char c; + int n, ret; + unsigned lcore_id; + pthread_t thread_id; + int m2s, s2m; + char cpuset[RTE_CPU_AFFINITY_STR_LEN]; + + thread_id = pthread_self(); + + /* retrieve our lcore_id from the configuration structure */ + RTE_LCORE_FOREACH_SLAVE(lcore_id) { + if (thread_id == lcore_config[lcore_id].thread_id) + break; + } + if (lcore_id == RTE_MAX_LCORE) + rte_panic("cannot retrieve lcore id\n"); + + m2s = lcore_config[lcore_id].pipe_master2slave[0]; + s2m = lcore_config[lcore_id].pipe_slave2master[1]; + + /* set the lcore ID in per-lcore memory area */ + RTE_PER_LCORE(_lcore_id) = lcore_id; + + /* set CPU affinity */ + if (eal_thread_set_affinity() < 0) + rte_panic("cannot set affinity\n"); + + ret = eal_thread_dump_affinity(cpuset, RTE_CPU_AFFINITY_STR_LEN); + + RTE_LOG(DEBUG, EAL, "lcore %u is ready (tid=%p;cpuset=[%s%s])\n", + lcore_id, thread_id, cpuset, ret == 0 ? "" : "..."); + + /* read on our pipe to get commands */ + while (1) { + void *fct_arg; + + /* wait command */ + do { + n = read(m2s, &c, 1); + } while (n < 0 && errno == EINTR); + + if (n <= 0) + rte_panic("cannot read on configuration pipe\n"); + + lcore_config[lcore_id].state = RUNNING; + + /* send ack */ + n = 0; + while (n == 0 || (n < 0 && errno == EINTR)) + n = write(s2m, &c, 1); + if (n < 0) + rte_panic("cannot write on configuration pipe\n"); + + if (lcore_config[lcore_id].f == NULL) + rte_panic("NULL function pointer\n"); + + /* call the function and store the return value */ + fct_arg = lcore_config[lcore_id].arg; + ret = lcore_config[lcore_id].f(fct_arg); + lcore_config[lcore_id].ret = ret; + rte_wmb(); + lcore_config[lcore_id].state = FINISHED; + } + + /* never reached */ + /* pthread_exit(NULL); */ + /* return NULL; */ +} + +/* require calling thread tid by gettid() */ +int rte_sys_gettid(void) +{ + long lwpid; + thr_self(&lwpid); + return (int)lwpid; +} diff --git a/lib/librte_eal/bsdapp/eal/eal_timer.c b/lib/librte_eal/bsdapp/eal/eal_timer.c new file mode 100644 index 00000000..f12d9bd2 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/eal_timer.c @@ -0,0 +1,94 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 +#include +#include +#include +#include + +#include "eal_private.h" +#include "eal_internal_cfg.h" + +#ifdef RTE_LIBEAL_USE_HPET +#warning HPET is not supported in FreeBSD +#endif + +enum timer_source eal_timer_source = EAL_TIMER_TSC; + +uint64_t +get_tsc_freq(void) +{ + size_t sz; + int tmp; + uint64_t tsc_hz; + + sz = sizeof(tmp); + tmp = 0; + + if (sysctlbyname("kern.timecounter.smp_tsc", &tmp, &sz, NULL, 0)) + RTE_LOG(WARNING, EAL, "%s\n", strerror(errno)); + else if (tmp != 1) + RTE_LOG(WARNING, EAL, "TSC is not safe to use in SMP mode\n"); + + tmp = 0; + + if (sysctlbyname("kern.timecounter.invariant_tsc", &tmp, &sz, NULL, 0)) + RTE_LOG(WARNING, EAL, "%s\n", strerror(errno)); + else if (tmp != 1) + RTE_LOG(WARNING, EAL, "TSC is not invariant\n"); + + sz = sizeof(tsc_hz); + if (sysctlbyname("machdep.tsc_freq", &tsc_hz, &sz, NULL, 0)) { + RTE_LOG(WARNING, EAL, "%s\n", strerror(errno)); + return 0; + } + + return tsc_hz; +} + +int +rte_eal_timer_init(void) +{ + set_tsc_freq(); + return 0; +} diff --git a/lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h b/lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h new file mode 100644 index 00000000..99a33432 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h @@ -0,0 +1,107 @@ +/*- + * This file is provided under a dual BSD/LGPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GNU LESSER GENERAL PUBLIC LICENSE + * + * Copyright(c) 2007-2014 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2.1 of the GNU Lesser General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * Contact Information: + * Intel Corporation + * + * + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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_DOM0_COMMON_H_ +#define _RTE_DOM0_COMMON_H_ + +#ifdef __KERNEL__ +#include +#endif + +#define DOM0_NAME_MAX 256 +#define DOM0_MM_DEV "/dev/dom0_mm" + +#define DOM0_CONTIG_NUM_ORDER 9 /**< 2M order */ +#define DOM0_NUM_MEMSEG 512 /**< Maximum nb. of memory segment. */ +#define DOM0_MEMBLOCK_SIZE 0x200000 /**< Maximum nb. of memory block(2M). */ +#define DOM0_CONFIG_MEMSIZE 4096 /**< Maximum config memory size(4G). */ +#define DOM0_NUM_MEMBLOCK (DOM0_CONFIG_MEMSIZE / 2) /**< Maximum nb. of 2M memory block. */ + +#define RTE_DOM0_IOCTL_PREPARE_MEMSEG _IOWR(0, 1 , struct memory_info) +#define RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG _IOWR(0, 2 , char *) +#define RTE_DOM0_IOCTL_GET_NUM_MEMSEG _IOWR(0, 3, int) +#define RTE_DOM0_IOCTL_GET_MEMSEG_INFO _IOWR(0, 4, void *) + +/** + * A structure used to store memory information. + */ +struct memory_info { + char name[DOM0_NAME_MAX]; + uint64_t size; +}; + +/** + * A structure used to store memory segment information. + */ +struct memseg_info { + uint32_t idx; + uint64_t pfn; + uint64_t size; + uint64_t mfn[DOM0_NUM_MEMBLOCK]; +}; + +/** + * A structure used to store memory block information. + */ +struct memblock_info { + uint8_t exchange_flag; + uint64_t vir_addr; + uint64_t pfn; + uint64_t mfn; +}; +#endif /* _RTE_DOM0_COMMON_H_ */ diff --git a/lib/librte_eal/bsdapp/eal/include/exec-env/rte_interrupts.h b/lib/librte_eal/bsdapp/eal/include/exec-env/rte_interrupts.h new file mode 100644 index 00000000..c1995ee1 --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/include/exec-env/rte_interrupts.h @@ -0,0 +1,137 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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_INTERRUPTS_H_ +#error "don't include this file directly, please include generic " +#endif + +#ifndef _RTE_BSDAPP_INTERRUPTS_H_ +#define _RTE_BSDAPP_INTERRUPTS_H_ + +#define RTE_INTR_VEC_ZERO_OFFSET 0 +#define RTE_INTR_VEC_RXTX_OFFSET 1 + +#define RTE_MAX_RXTX_INTR_VEC_ID 32 + +enum rte_intr_handle_type { + RTE_INTR_HANDLE_UNKNOWN = 0, + RTE_INTR_HANDLE_UIO, /**< uio device handle */ + RTE_INTR_HANDLE_ALARM, /**< alarm handle */ + RTE_INTR_HANDLE_MAX +}; + +/** Handle for interrupts. */ +struct rte_intr_handle { + int fd; /**< file descriptor */ + int uio_cfg_fd; /**< UIO config file descriptor */ + enum rte_intr_handle_type type; /**< handle type */ + int max_intr; /**< max interrupt requested */ + uint32_t nb_efd; /**< number of available efds */ + int *intr_vec; /**< intr vector number array */ +}; + +/** + * @param intr_handle + * Pointer to the interrupt handle. + * @param epfd + * Epoll instance fd which the intr vector associated to. + * @param op + * The operation be performed for the vector. + * Operation type of {ADD, DEL}. + * @param vec + * RX intr vector number added to the epoll instance wait list. + * @param data + * User raw data. + * @return + * - On success, zero. + * - On failure, a negative value. + */ +int +rte_intr_rx_ctl(struct rte_intr_handle *intr_handle, + int epfd, int op, unsigned int vec, void *data); + +/** + * It enables the fastpath event fds if it's necessary. + * It creates event fds when multi-vectors allowed, + * otherwise it multiplexes the single event fds. + * + * @param intr_handle + * Pointer to the interrupt handle. + * @param nb_efd + * Number of interrupt vector trying to enable. + * The value 0 is not allowed. + * @return + * - On success, zero. + * - On failure, a negative value. + */ +int +rte_intr_efd_enable(struct rte_intr_handle *intr_handle, uint32_t nb_efd); + +/** + * It disable the fastpath event fds. + * It deletes registered eventfds and closes the open fds. + * + * @param intr_handle + * Pointer to the interrupt handle. + */ +void +rte_intr_efd_disable(struct rte_intr_handle *intr_handle); + +/** + * The fastpath interrupt is enabled or not. + * + * @param intr_handle + * Pointer to the interrupt handle. + */ +int rte_intr_dp_is_en(struct rte_intr_handle *intr_handle); + +/** + * The interrupt handle instance allows other cause or not. + * Other cause stands for none fastpath interrupt. + * + * @param intr_handle + * Pointer to the interrupt handle. + */ +int rte_intr_allow_others(struct rte_intr_handle *intr_handle); + +/** + * The multiple interrupt vector capability of interrupt handle instance. + * It returns zero if no multiple interrupt vector support. + * + * @param intr_handle + * Pointer to the interrupt handle. + */ +int +rte_intr_cap_multiple(struct rte_intr_handle *intr_handle); + +#endif /* _RTE_BSDAPP_INTERRUPTS_H_ */ diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map new file mode 100644 index 00000000..58c2951e --- /dev/null +++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map @@ -0,0 +1,153 @@ +DPDK_2.0 { + global: + + __rte_panic; + devargs_list; + eal_parse_sysfs_value; + eal_timer_source; + lcore_config; + pci_device_list; + pci_driver_list; + per_lcore__lcore_id; + per_lcore__rte_errno; + rte_calloc; + rte_calloc_socket; + rte_cpu_check_supported; + rte_cpu_get_flag_enabled; + rte_cycles_vmware_tsc_map; + rte_delay_us; + rte_dump_physmem_layout; + rte_dump_registers; + rte_dump_stack; + rte_dump_tailq; + rte_eal_alarm_cancel; + rte_eal_alarm_set; + rte_eal_dev_init; + rte_eal_devargs_add; + rte_eal_devargs_dump; + rte_eal_devargs_type_count; + rte_eal_driver_register; + rte_eal_driver_unregister; + rte_eal_get_configuration; + rte_eal_get_lcore_state; + rte_eal_get_physmem_layout; + rte_eal_get_physmem_size; + rte_eal_has_hugepages; + rte_eal_hpet_init; + rte_eal_init; + rte_eal_iopl_init; + rte_eal_lcore_role; + rte_eal_mp_remote_launch; + rte_eal_mp_wait_lcore; + rte_eal_parse_devargs_str; + rte_eal_pci_dump; + rte_eal_pci_probe; + rte_eal_pci_probe_one; + rte_eal_pci_register; + rte_eal_pci_scan; + rte_eal_pci_unregister; + rte_eal_process_type; + rte_eal_remote_launch; + rte_eal_tailq_lookup; + rte_eal_tailq_register; + rte_eal_vdev_init; + rte_eal_vdev_uninit; + rte_eal_wait_lcore; + rte_exit; + rte_free; + rte_get_hpet_cycles; + rte_get_hpet_hz; + rte_get_log_level; + rte_get_log_type; + rte_get_tsc_hz; + rte_hexdump; + rte_intr_callback_register; + rte_intr_callback_unregister; + rte_intr_disable; + rte_intr_enable; + rte_log; + rte_log_add_in_history; + rte_log_cur_msg_loglevel; + rte_log_cur_msg_logtype; + rte_log_dump_history; + rte_log_set_history; + rte_logs; + rte_malloc; + rte_malloc_dump_stats; + rte_malloc_get_socket_stats; + rte_malloc_set_limit; + rte_malloc_socket; + rte_malloc_validate; + rte_malloc_virt2phy; + rte_mem_lock_page; + rte_mem_phy2mch; + rte_mem_virt2phy; + rte_memdump; + rte_memory_get_nchannel; + rte_memory_get_nrank; + rte_memzone_dump; + rte_memzone_lookup; + rte_memzone_reserve; + rte_memzone_reserve_aligned; + rte_memzone_reserve_bounded; + rte_memzone_walk; + rte_openlog_stream; + rte_realloc; + rte_set_application_usage_hook; + rte_set_log_level; + rte_set_log_type; + rte_socket_id; + rte_strerror; + rte_strsplit; + rte_sys_gettid; + rte_thread_get_affinity; + rte_thread_set_affinity; + rte_vlog; + rte_xen_dom0_memory_attach; + rte_xen_dom0_memory_init; + rte_zmalloc; + rte_zmalloc_socket; + + local: *; +}; + +DPDK_2.1 { + global: + + rte_eal_pci_detach; + rte_eal_pci_read_config; + rte_eal_pci_write_config; + rte_intr_allow_others; + rte_intr_dp_is_en; + rte_intr_efd_disable; + rte_intr_efd_enable; + rte_intr_rx_ctl; + rte_memzone_free; + +} DPDK_2.0; + +DPDK_2.2 { + global: + + rte_intr_cap_multiple; + rte_keepalive_create; + rte_keepalive_dispatch_pings; + rte_keepalive_mark_alive; + rte_keepalive_register_core; + rte_xen_dom0_supported; + +} DPDK_2.1; + +DPDK_16.04 { + global: + + rte_cpu_get_flag_name; + rte_eal_pci_ioport_map; + rte_eal_pci_ioport_read; + rte_eal_pci_ioport_unmap; + rte_eal_pci_ioport_write; + rte_eal_pci_map_device; + rte_eal_pci_unmap_device; + rte_eal_primary_proc_alive; + +} DPDK_2.2; diff --git a/lib/librte_eal/bsdapp/nic_uio/BSDmakefile b/lib/librte_eal/bsdapp/nic_uio/BSDmakefile new file mode 100644 index 00000000..5454ed85 --- /dev/null +++ b/lib/librte_eal/bsdapp/nic_uio/BSDmakefile @@ -0,0 +1,36 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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. +# + +KMOD= nic_uio +SRCS= nic_uio.c device_if.h bus_if.h pci_if.h + +.include diff --git a/lib/librte_eal/bsdapp/nic_uio/Makefile b/lib/librte_eal/bsdapp/nic_uio/Makefile new file mode 100644 index 00000000..89957615 --- /dev/null +++ b/lib/librte_eal/bsdapp/nic_uio/Makefile @@ -0,0 +1,52 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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 $(RTE_SDK)/mk/rte.vars.mk + +# +# module name and path +# +MODULE = nic_uio + +# +# CFLAGS +# +MODULE_CFLAGS += -I$(SRCDIR) +MODULE_CFLAGS += -I$(RTE_OUTPUT)/include +MODULE_CFLAGS += -Winline -Wall -Werror +MODULE_CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h + +# +# all source are stored in SRCS-y +# +SRCS-y := nic_uio.c + +include $(RTE_SDK)/mk/rte.bsdmodule.mk diff --git a/lib/librte_eal/bsdapp/nic_uio/nic_uio.c b/lib/librte_eal/bsdapp/nic_uio/nic_uio.c new file mode 100644 index 00000000..99a4975c --- /dev/null +++ b/lib/librte_eal/bsdapp/nic_uio/nic_uio.c @@ -0,0 +1,335 @@ +/* - + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include +__FBSDID("$FreeBSD$"); + +#include /* defines used in kernel.h */ +#include +#include /* types used in module initialization */ +#include /* cdevsw struct */ +#include /* structs, prototypes for pci bus stuff and DEVMETHOD */ +#include +#include +#include +#include + +#include +#include /* For pci_get macros! */ +#include /* The softc holds our per-instance data. */ +#include +#include +#include +#include +#include + + +#define MAX_BARS (PCIR_MAX_BAR_0 + 1) + +#define MAX_DETACHED_DEVICES 128 +static device_t detached_devices[MAX_DETACHED_DEVICES] = {}; +static int num_detached = 0; + +struct nic_uio_softc { + device_t dev_t; + struct cdev *my_cdev; + int bar_id[MAX_BARS]; + struct resource *bar_res[MAX_BARS]; + u_long bar_start[MAX_BARS]; + u_long bar_size[MAX_BARS]; +}; + +/* Function prototypes */ +static d_open_t nic_uio_open; +static d_close_t nic_uio_close; +static d_mmap_t nic_uio_mmap; +static d_mmap_single_t nic_uio_mmap_single; +static int nic_uio_probe(device_t dev); +static int nic_uio_attach(device_t dev); +static int nic_uio_detach(device_t dev); +static int nic_uio_shutdown(void); +static int nic_uio_modevent(module_t mod, int type, void *arg); + +static struct cdevsw uio_cdevsw = { + .d_name = "nic_uio", + .d_version = D_VERSION, + .d_open = nic_uio_open, + .d_close = nic_uio_close, + .d_mmap = nic_uio_mmap, + .d_mmap_single = nic_uio_mmap_single, +}; + +static device_method_t nic_uio_methods[] = { + DEVMETHOD(device_probe, nic_uio_probe), + DEVMETHOD(device_attach, nic_uio_attach), + DEVMETHOD(device_detach, nic_uio_detach), + DEVMETHOD_END +}; + +struct device { + int vend; + int dev; +}; + +struct pci_bdf { + uint32_t bus; + uint32_t devid; + uint32_t function; +}; + +static devclass_t nic_uio_devclass; + +DEFINE_CLASS_0(nic_uio, nic_uio_driver, nic_uio_methods, sizeof(struct nic_uio_softc)); +DRIVER_MODULE(nic_uio, pci, nic_uio_driver, nic_uio_devclass, nic_uio_modevent, 0); + +static int +nic_uio_mmap(struct cdev *cdev, vm_ooffset_t offset, vm_paddr_t *paddr, + int prot, vm_memattr_t *memattr) +{ + *paddr = offset; + return 0; +} + +static int +nic_uio_mmap_single(struct cdev *cdev, vm_ooffset_t *offset, vm_size_t size, + struct vm_object **obj, int nprot) +{ + /* + * The BAR index is encoded in the offset. Divide the offset by + * PAGE_SIZE to get the index of the bar requested by the user + * app. + */ + unsigned bar = *offset/PAGE_SIZE; + struct nic_uio_softc *sc = cdev->si_drv1; + + if (bar >= MAX_BARS) + return EINVAL; + + if (sc->bar_res[bar] == NULL) { + sc->bar_id[bar] = PCIR_BAR(bar); + + if (PCI_BAR_IO(pci_read_config(sc->dev_t, sc->bar_id[bar], 4))) + sc->bar_res[bar] = bus_alloc_resource_any(sc->dev_t, SYS_RES_IOPORT, + &sc->bar_id[bar], RF_ACTIVE); + else + sc->bar_res[bar] = bus_alloc_resource_any(sc->dev_t, SYS_RES_MEMORY, + &sc->bar_id[bar], RF_ACTIVE); + } + if (sc->bar_res[bar] == NULL) + return ENXIO; + + sc->bar_start[bar] = rman_get_start(sc->bar_res[bar]); + sc->bar_size[bar] = rman_get_size(sc->bar_res[bar]); + + device_printf(sc->dev_t, "Bar %u @ %lx, size %lx\n", bar, + sc->bar_start[bar], sc->bar_size[bar]); + + *offset = sc->bar_start[bar]; + *obj = vm_pager_allocate(OBJT_DEVICE, cdev, size, nprot, *offset, + curthread->td_ucred); + return 0; +} + + +int +nic_uio_open(struct cdev *dev, int oflags, int devtype, struct thread *td) +{ + return 0; +} + +int +nic_uio_close(struct cdev *dev, int fflag, int devtype, struct thread *td) +{ + return 0; +} + +static int +nic_uio_probe (device_t dev) +{ + int i; + unsigned int bus = pci_get_bus(dev); + unsigned int device = pci_get_slot(dev); + unsigned int function = pci_get_function(dev); + + for (i = 0; i < num_detached; i++) + if (bus == pci_get_bus(detached_devices[i]) && + device == pci_get_slot(detached_devices[i]) && + function == pci_get_function(detached_devices[i])) { + device_set_desc(dev, "DPDK PCI Device"); + return BUS_PROBE_SPECIFIC; + } + + return ENXIO; +} + +static int +nic_uio_attach(device_t dev) +{ + int i; + struct nic_uio_softc *sc; + + sc = device_get_softc(dev); + sc->dev_t = dev; + sc->my_cdev = make_dev(&uio_cdevsw, device_get_unit(dev), + UID_ROOT, GID_WHEEL, 0600, "uio@pci:%u:%u:%u", + pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)); + if (sc->my_cdev == NULL) + return ENXIO; + sc->my_cdev->si_drv1 = sc; + + for (i = 0; i < MAX_BARS; i++) + sc->bar_res[i] = NULL; + + pci_enable_busmaster(dev); + + return 0; +} + +static int +nic_uio_detach(device_t dev) +{ + int i; + struct nic_uio_softc *sc; + sc = device_get_softc(dev); + + for (i = 0; i < MAX_BARS; i++) + if (sc->bar_res[i] != NULL) { + + if (PCI_BAR_IO(pci_read_config(dev, sc->bar_id[i], 4))) + bus_release_resource(dev, SYS_RES_IOPORT, sc->bar_id[i], + sc->bar_res[i]); + else + bus_release_resource(dev, SYS_RES_MEMORY, sc->bar_id[i], + sc->bar_res[i]); + } + + if (sc->my_cdev != NULL) + destroy_dev(sc->my_cdev); + return 0; +} + +static void +nic_uio_load(void) +{ + uint32_t bus, device, function; + device_t dev; + char bdf_str[256]; + char *token, *remaining; + + memset(bdf_str, 0, sizeof(bdf_str)); + TUNABLE_STR_FETCH("hw.nic_uio.bdfs", bdf_str, sizeof(bdf_str)); + remaining = bdf_str; + /* + * Users should specify PCI BDFs in the format "b:d:f,b:d:f,b:d:f". + * But the code below does not try differentiate between : and , + * and just blindly uses 3 tokens at a time to construct a + * bus/device/function tuple. + * + * There is no checking on strtol() return values, but this should + * be OK. Worst case is it cannot convert and returns 0. This + * could give us a different BDF than intended, but as long as the + * PCI device/vendor ID does not match it will not matter. + */ + while (1) { + if (remaining == NULL || remaining[0] == '\0') + break; + token = strsep(&remaining, ",:"); + if (token == NULL) + break; + bus = strtol(token, NULL, 10); + token = strsep(&remaining, ",:"); + if (token == NULL) + break; + device = strtol(token, NULL, 10); + token = strsep(&remaining, ",:"); + if (token == NULL) + break; + function = strtol(token, NULL, 10); + + dev = pci_find_bsf(bus, device, function); + if (dev == NULL) + continue; + + if (num_detached < MAX_DETACHED_DEVICES) { + printf("nic_uio_load: detaching and storing dev=%p\n", + dev); + detached_devices[num_detached++] = dev; + } else { + printf("nic_uio_load: reached MAX_DETACHED_DEVICES=%d. dev=%p won't be reattached\n", + MAX_DETACHED_DEVICES, dev); + } + device_detach(dev); + } +} + +static void +nic_uio_unload(void) +{ + int i; + printf("nic_uio_unload: entered...\n"); + + for (i = 0; i < num_detached; i++) { + printf("nic_uio_unload: calling to device_probe_and_attach for dev=%p...\n", + detached_devices[i]); + device_probe_and_attach(detached_devices[i]); + printf("nic_uio_unload: done.\n"); + } + + printf("nic_uio_unload: leaving...\n"); +} + +static int +nic_uio_shutdown(void) +{ + return 0; +} + +static int +nic_uio_modevent(module_t mod, int type, void *arg) +{ + + switch (type) { + case MOD_LOAD: + nic_uio_load(); + break; + case MOD_UNLOAD: + nic_uio_unload(); + break; + case MOD_SHUTDOWN: + nic_uio_shutdown(); + break; + default: + break; + } + + return 0; +} -- cgit 1.2.3-korg