diff options
Diffstat (limited to 'src/spdk/dpdk/buildtools')
| -rw-r--r-- | src/spdk/dpdk/buildtools/Makefile | 9 | ||||
| -rwxr-xr-x | src/spdk/dpdk/buildtools/auto-config-h.sh | 108 | ||||
| -rwxr-xr-x | src/spdk/dpdk/buildtools/check-experimental-syms.sh | 34 | ||||
| -rwxr-xr-x | src/spdk/dpdk/buildtools/gen-build-mk.sh | 24 | ||||
| -rwxr-xr-x | src/spdk/dpdk/buildtools/gen-config-h.sh | 15 | ||||
| -rwxr-xr-x | src/spdk/dpdk/buildtools/gen-pmdinfo-cfile.sh | 13 | ||||
| -rw-r--r-- | src/spdk/dpdk/buildtools/meson.build | 6 | ||||
| -rw-r--r-- | src/spdk/dpdk/buildtools/pmdinfogen/Makefile | 20 | ||||
| -rw-r--r-- | src/spdk/dpdk/buildtools/pmdinfogen/meson.build | 9 | ||||
| -rw-r--r-- | src/spdk/dpdk/buildtools/pmdinfogen/pmdinfogen.c | 460 | ||||
| -rw-r--r-- | src/spdk/dpdk/buildtools/pmdinfogen/pmdinfogen.h | 125 | ||||
| -rwxr-xr-x | src/spdk/dpdk/buildtools/relpath.sh | 76 | ||||
| -rw-r--r-- | src/spdk/dpdk/buildtools/symlink-drivers-solibs.sh | 12 |
13 files changed, 911 insertions, 0 deletions
diff --git a/src/spdk/dpdk/buildtools/Makefile b/src/spdk/dpdk/buildtools/Makefile new file mode 100644 index 00000000..7f76fd7d --- /dev/null +++ b/src/spdk/dpdk/buildtools/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2016 Neil Horman <nhorman@tuxdriver.com> +# All rights reserved. + +include $(RTE_SDK)/mk/rte.vars.mk + +DIRS-y += pmdinfogen + +include $(RTE_SDK)/mk/rte.subdir.mk diff --git a/src/spdk/dpdk/buildtools/auto-config-h.sh b/src/spdk/dpdk/buildtools/auto-config-h.sh new file mode 100755 index 00000000..d28a5c3a --- /dev/null +++ b/src/spdk/dpdk/buildtools/auto-config-h.sh @@ -0,0 +1,108 @@ +#!/bin/sh +# SPDX-License-Identifier: BSD-3-Clause +# Copyright 2014-2015 6WIND S.A. +# +# Crude script to detect whether particular types, macros and functions are +# defined by trying to compile a file with a given header. Can be used to +# perform cross-platform checks since the resulting object file is not +# executed. +# +# Set VERBOSE=1 in the environment to display compiler output and errors. +# +# CC, CPPFLAGS, CFLAGS, EXTRA_CPPFLAGS and EXTRA_CFLAGS are taken from the +# environment. +# +# AUTO_CONFIG_CFLAGS may append additional CFLAGS without modifying the +# above variables. + +file=${1:?output file name required (config.h)} +macro=${2:?output macro name required (HAVE_*)} +include=${3:?include name required (foo.h)} +type=${4:?object type required (define, enum, type, field, func)} +name=${5:?define/type/function name required} + +: ${CC:=cc} + +temp=/tmp/${0##*/}.$$.c + +case $type in +define) + code="\ +#ifndef $name +#error $name not defined +#endif +" + ;; +enum) + code="\ +long test____ = $name; +" + ;; +type) + code="\ +$name test____; +" + ;; +field) + code="\ +void test____(void) +{ + ${name%%.*} test_____; + + (void)test_____.${name#*.}; +} +" + ;; +func) + code="\ +void (*test____)() = (void (*)())$name; +" + ;; +*) + unset error + : ${error:?unknown object type \"$type\"} + exit +esac + +if [ "${VERBOSE}" = 1 ] +then + err=2 + out=1 + eol=' +' +else + exec 3> /dev/null || + exit + err=3 + out=3 + eol=' ' +fi && +printf 'Looking for %s %s in %s.%s' \ + "${name}" "${type}" "${include}" "${eol}" && +printf "\ +#include <%s> + +%s +" "$include" "$code" > "${temp}" && +if ${CC} ${CPPFLAGS} ${EXTRA_CPPFLAGS} ${CFLAGS} ${EXTRA_CFLAGS} \ + ${AUTO_CONFIG_CFLAGS} \ + -c -o ${temp}.o "${temp}" 1>&${out} 2>&${err} +then + rm -f "${temp}" "${temp}.o" + printf "\ +#ifndef %s +#define %s 1 +#endif /* %s */ + +" "${macro}" "${macro}" "${macro}" >> "${file}" && + printf 'Defining %s.\n' "${macro}" +else + rm -f "${temp}" "${temp}.o" + printf "\ +/* %s is not defined. */ + +" "${macro}" >> "${file}" && + printf 'Not defining %s.\n' "${macro}" +fi + +exit diff --git a/src/spdk/dpdk/buildtools/check-experimental-syms.sh b/src/spdk/dpdk/buildtools/check-experimental-syms.sh new file mode 100755 index 00000000..5bc8cda1 --- /dev/null +++ b/src/spdk/dpdk/buildtools/check-experimental-syms.sh @@ -0,0 +1,34 @@ +#!/bin/sh + +# SPDX-License-Identifier: BSD-3-Clause + +MAPFILE=$1 +OBJFILE=$2 + +if [ -d $MAPFILE ] +then + exit 0 +fi + +for i in `awk 'BEGIN {found=0} + /.*EXPERIMENTAL.*/ {found=1} + /.*}.*;/ {found=0} + /.*;/ {if (found == 1) print $1}' $MAPFILE` +do + SYM=`echo $i | sed -e"s/;//"` + objdump -t $OBJFILE | grep -q "\.text.*$SYM" + IN_TEXT=$? + objdump -t $OBJFILE | grep -q "\.text\.experimental.*$SYM" + IN_EXP=$? + if [ $IN_TEXT -eq 0 -a $IN_EXP -ne 0 ] + then + cat >&2 <<- END_OF_MESSAGE + $SYM is not flagged as experimental + but is listed in version map + Please add __rte_experimental to the definition of $SYM + END_OF_MESSAGE + exit 1 + fi +done +exit 0 + diff --git a/src/spdk/dpdk/buildtools/gen-build-mk.sh b/src/spdk/dpdk/buildtools/gen-build-mk.sh new file mode 100755 index 00000000..c18b205e --- /dev/null +++ b/src/spdk/dpdk/buildtools/gen-build-mk.sh @@ -0,0 +1,24 @@ +#!/bin/sh +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2010-2014 Intel Corporation + +# Auto-generate a Makefile in build directory +# Args: +# $1: path of project src root +# $2: path of build dir (can be relative to $1) + +echo "# Automatically generated by gen-build-mk.sh" +echo +echo "ifdef O" +echo "ifeq (\"\$(origin O)\", \"command line\")" +echo "\$(error \"Cannot specify O= as you are already in a build directory\")" +echo "endif" +echo "endif" +echo +echo "MAKEFLAGS += --no-print-directory" +echo +echo "all:" +echo " @\$(MAKE) -C $1 O=$2" +echo +echo "%::" +echo " @\$(MAKE) -C $1 O=$2 \$@" diff --git a/src/spdk/dpdk/buildtools/gen-config-h.sh b/src/spdk/dpdk/buildtools/gen-config-h.sh new file mode 100755 index 00000000..a8c20063 --- /dev/null +++ b/src/spdk/dpdk/buildtools/gen-config-h.sh @@ -0,0 +1,15 @@ +#!/bin/sh +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2010-2014 Intel Corporation + +echo "#ifndef __RTE_CONFIG_H" +echo "#define __RTE_CONFIG_H" +grep CONFIG_ $1 | +grep -v '^[ \t]*#' | +sed 's,CONFIG_\(.*\)=y.*$,#undef \1\ +#define \1 1,' | +sed 's,CONFIG_\(.*\)=n.*$,#undef \1,' | +sed 's,CONFIG_\(.*\)=\(.*\)$,#undef \1\ +#define \1 \2,' | +sed 's,\# CONFIG_\(.*\) is not set$,#undef \1,' +echo "#endif /* __RTE_CONFIG_H */" diff --git a/src/spdk/dpdk/buildtools/gen-pmdinfo-cfile.sh b/src/spdk/dpdk/buildtools/gen-pmdinfo-cfile.sh new file mode 100755 index 00000000..0b6dc2ce --- /dev/null +++ b/src/spdk/dpdk/buildtools/gen-pmdinfo-cfile.sh @@ -0,0 +1,13 @@ +#! /bin/sh +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2017 Intel Corporation + +arfile=$1 +output=$2 +pmdinfogen=$3 + +echo > $output +for ofile in `ar t $arfile` ; do + ar p $arfile $ofile | $pmdinfogen - - >> $output 2> /dev/null +done +exit 0 diff --git a/src/spdk/dpdk/buildtools/meson.build b/src/spdk/dpdk/buildtools/meson.build new file mode 100644 index 00000000..cdd38ed2 --- /dev/null +++ b/src/spdk/dpdk/buildtools/meson.build @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2017 Intel Corporation + +subdir('pmdinfogen') + +pmdinfo = find_program('gen-pmdinfo-cfile.sh') diff --git a/src/spdk/dpdk/buildtools/pmdinfogen/Makefile b/src/spdk/dpdk/buildtools/pmdinfogen/Makefile new file mode 100644 index 00000000..a97a7648 --- /dev/null +++ b/src/spdk/dpdk/buildtools/pmdinfogen/Makefile @@ -0,0 +1,20 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2016 Neil Horman <nhorman@tuxdriver.com> +# All rights reserved. + +include $(RTE_SDK)/mk/rte.vars.mk + +# +# library name +# +HOSTAPP = dpdk-pmdinfogen + +# +# all sources are stored in SRCS-y +# +SRCS-y += pmdinfogen.c + +HOST_CFLAGS += $(HOST_WERROR_FLAGS) -g +HOST_CFLAGS += -I$(RTE_OUTPUT)/include + +include $(RTE_SDK)/mk/rte.hostapp.mk diff --git a/src/spdk/dpdk/buildtools/pmdinfogen/meson.build b/src/spdk/dpdk/buildtools/pmdinfogen/meson.build new file mode 100644 index 00000000..a219a8e9 --- /dev/null +++ b/src/spdk/dpdk/buildtools/pmdinfogen/meson.build @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2017 Intel Corporation + +pmdinfogen_inc = eal_inc +pmdinfogen_inc += include_directories('../../lib/librte_pci') +pmdinfogen = executable('pmdinfogen', + 'pmdinfogen.c', + include_directories: pmdinfogen_inc, + native: true) diff --git a/src/spdk/dpdk/buildtools/pmdinfogen/pmdinfogen.c b/src/spdk/dpdk/buildtools/pmdinfogen/pmdinfogen.c new file mode 100644 index 00000000..0f35ca46 --- /dev/null +++ b/src/spdk/dpdk/buildtools/pmdinfogen/pmdinfogen.c @@ -0,0 +1,460 @@ +/* Postprocess pmd object files to export hw support + * + * Copyright 2016 Neil Horman <nhorman@tuxdriver.com> + * Based in part on modpost.c from the linux kernel + * + * This software may be used and distributed according to the terms + * of the GNU General Public License V2, incorporated herein by reference. + * + */ + +#define _GNU_SOURCE +#include <stdio.h> +#include <ctype.h> +#include <string.h> +#include <limits.h> +#include <stdbool.h> +#include <errno.h> +#include <libgen.h> + +#include <rte_common.h> +#include "pmdinfogen.h" + +#ifdef RTE_ARCH_64 +#define ADDR_SIZE 64 +#else +#define ADDR_SIZE 32 +#endif + +static int use_stdin, use_stdout; + +static const char *sym_name(struct elf_info *elf, Elf_Sym *sym) +{ + if (sym) + return elf->strtab + sym->st_name; + else + return "(unknown)"; +} + +static void *grab_file(const char *filename, unsigned long *size) +{ + struct stat st; + void *map = MAP_FAILED; + int fd = -1; + + if (!use_stdin) { + fd = open(filename, O_RDONLY); + if (fd < 0) + return NULL; + } else { + /* from stdin, use a temporary file to mmap */ + FILE *infile; + char buffer[1024]; + int n; + + infile = tmpfile(); + if (infile == NULL) { + perror("tmpfile"); + return NULL; + } + fd = dup(fileno(infile)); + fclose(infile); + if (fd < 0) + return NULL; + + n = read(STDIN_FILENO, buffer, sizeof(buffer)); + while (n > 0) { + if (write(fd, buffer, n) != n) + goto failed; + n = read(STDIN_FILENO, buffer, sizeof(buffer)); + } + } + + if (fstat(fd, &st)) + goto failed; + + *size = st.st_size; + map = mmap(NULL, *size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0); + +failed: + close(fd); + if (map == MAP_FAILED) + return NULL; + return map; +} + +/** + * Return a copy of the next line in a mmap'ed file. + * spaces in the beginning of the line is trimmed away. + * Return a pointer to a static buffer. + **/ +static void release_file(void *file, unsigned long size) +{ + munmap(file, size); +} + + +static void *get_sym_value(struct elf_info *info, const Elf_Sym *sym) +{ + return RTE_PTR_ADD(info->hdr, + info->sechdrs[sym->st_shndx].sh_offset + sym->st_value); +} + +static Elf_Sym *find_sym_in_symtab(struct elf_info *info, + const char *name, Elf_Sym *last) +{ + Elf_Sym *idx; + if (last) + idx = last+1; + else + idx = info->symtab_start; + + for (; idx < info->symtab_stop; idx++) { + const char *n = sym_name(info, idx); + if (!strncmp(n, name, strlen(name))) + return idx; + } + return NULL; +} + +static int parse_elf(struct elf_info *info, const char *filename) +{ + unsigned int i; + Elf_Ehdr *hdr; + Elf_Shdr *sechdrs; + Elf_Sym *sym; + int endian; + unsigned int symtab_idx = ~0U, symtab_shndx_idx = ~0U; + + hdr = grab_file(filename, &info->size); + if (!hdr) { + perror(filename); + exit(1); + } + info->hdr = hdr; + if (info->size < sizeof(*hdr)) { + /* file too small, assume this is an empty .o file */ + return 0; + } + /* Is this a valid ELF file? */ + if ((hdr->e_ident[EI_MAG0] != ELFMAG0) || + (hdr->e_ident[EI_MAG1] != ELFMAG1) || + (hdr->e_ident[EI_MAG2] != ELFMAG2) || + (hdr->e_ident[EI_MAG3] != ELFMAG3)) { + /* Not an ELF file - silently ignore it */ + return 0; + } + + if (!hdr->e_ident[EI_DATA]) { + /* Unknown endian */ + return 0; + } + + endian = hdr->e_ident[EI_DATA]; + + /* Fix endianness in ELF header */ + hdr->e_type = TO_NATIVE(endian, 16, hdr->e_type); + hdr->e_machine = TO_NATIVE(endian, 16, hdr->e_machine); + hdr->e_version = TO_NATIVE(endian, 32, hdr->e_version); + hdr->e_entry = TO_NATIVE(endian, ADDR_SIZE, hdr->e_entry); + hdr->e_phoff = TO_NATIVE(endian, ADDR_SIZE, hdr->e_phoff); + hdr->e_shoff = TO_NATIVE(endian, ADDR_SIZE, hdr->e_shoff); + hdr->e_flags = TO_NATIVE(endian, 32, hdr->e_flags); + hdr->e_ehsize = TO_NATIVE(endian, 16, hdr->e_ehsize); + hdr->e_phentsize = TO_NATIVE(endian, 16, hdr->e_phentsize); + hdr->e_phnum = TO_NATIVE(endian, 16, hdr->e_phnum); + hdr->e_shentsize = TO_NATIVE(endian, 16, hdr->e_shentsize); + hdr->e_shnum = TO_NATIVE(endian, 16, hdr->e_shnum); + hdr->e_shstrndx = TO_NATIVE(endian, 16, hdr->e_shstrndx); + + sechdrs = RTE_PTR_ADD(hdr, hdr->e_shoff); + info->sechdrs = sechdrs; + + /* Check if file offset is correct */ + if (hdr->e_shoff > info->size) { + fprintf(stderr, "section header offset=%lu in file '%s' " + "is bigger than filesize=%lu\n", + (unsigned long)hdr->e_shoff, + filename, info->size); + return 0; + } + + if (hdr->e_shnum == SHN_UNDEF) { + /* + * There are more than 64k sections, + * read count from .sh_size. + */ + info->num_sections = + TO_NATIVE(endian, ADDR_SIZE, sechdrs[0].sh_size); + } else { + info->num_sections = hdr->e_shnum; + } + if (hdr->e_shstrndx == SHN_XINDEX) + info->secindex_strings = + TO_NATIVE(endian, 32, sechdrs[0].sh_link); + else + info->secindex_strings = hdr->e_shstrndx; + + /* Fix endianness in section headers */ + for (i = 0; i < info->num_sections; i++) { + sechdrs[i].sh_name = + TO_NATIVE(endian, 32, sechdrs[i].sh_name); + sechdrs[i].sh_type = + TO_NATIVE(endian, 32, sechdrs[i].sh_type); + sechdrs[i].sh_flags = + TO_NATIVE(endian, 32, sechdrs[i].sh_flags); + sechdrs[i].sh_addr = + TO_NATIVE(endian, ADDR_SIZE, sechdrs[i].sh_addr); + sechdrs[i].sh_offset = + TO_NATIVE(endian, ADDR_SIZE, sechdrs[i].sh_offset); + sechdrs[i].sh_size = + TO_NATIVE(endian, ADDR_SIZE, sechdrs[i].sh_size); + sechdrs[i].sh_link = + TO_NATIVE(endian, 32, sechdrs[i].sh_link); + sechdrs[i].sh_info = + TO_NATIVE(endian, 32, sechdrs[i].sh_info); + sechdrs[i].sh_addralign = + TO_NATIVE(endian, ADDR_SIZE, sechdrs[i].sh_addralign); + sechdrs[i].sh_entsize = + TO_NATIVE(endian, ADDR_SIZE, sechdrs[i].sh_entsize); + } + /* Find symbol table. */ + for (i = 1; i < info->num_sections; i++) { + int nobits = sechdrs[i].sh_type == SHT_NOBITS; + + if (!nobits && sechdrs[i].sh_offset > info->size) { + fprintf(stderr, "%s is truncated. " + "sechdrs[i].sh_offset=%lu > sizeof(*hrd)=%zu\n", + filename, (unsigned long)sechdrs[i].sh_offset, + sizeof(*hdr)); + return 0; + } + + if (sechdrs[i].sh_type == SHT_SYMTAB) { + unsigned int sh_link_idx; + symtab_idx = i; + info->symtab_start = RTE_PTR_ADD(hdr, + sechdrs[i].sh_offset); + info->symtab_stop = RTE_PTR_ADD(hdr, + sechdrs[i].sh_offset + sechdrs[i].sh_size); + sh_link_idx = sechdrs[i].sh_link; + info->strtab = RTE_PTR_ADD(hdr, + sechdrs[sh_link_idx].sh_offset); + } + + /* 32bit section no. table? ("more than 64k sections") */ + if (sechdrs[i].sh_type == SHT_SYMTAB_SHNDX) { + symtab_shndx_idx = i; + info->symtab_shndx_start = RTE_PTR_ADD(hdr, + sechdrs[i].sh_offset); + info->symtab_shndx_stop = RTE_PTR_ADD(hdr, + sechdrs[i].sh_offset + sechdrs[i].sh_size); + } + } + if (!info->symtab_start) + fprintf(stderr, "%s has no symtab?\n", filename); + else { + /* Fix endianness in symbols */ + for (sym = info->symtab_start; sym < info->symtab_stop; sym++) { + sym->st_shndx = TO_NATIVE(endian, 16, sym->st_shndx); + sym->st_name = TO_NATIVE(endian, 32, sym->st_name); + sym->st_value = TO_NATIVE(endian, ADDR_SIZE, sym->st_value); + sym->st_size = TO_NATIVE(endian, ADDR_SIZE, sym->st_size); + } + } + + if (symtab_shndx_idx != ~0U) { + Elf32_Word *p; + if (symtab_idx != sechdrs[symtab_shndx_idx].sh_link) + fprintf(stderr, + "%s: SYMTAB_SHNDX has bad sh_link: %u!=%u\n", + filename, sechdrs[symtab_shndx_idx].sh_link, + symtab_idx); + /* Fix endianness */ + for (p = info->symtab_shndx_start; p < info->symtab_shndx_stop; + p++) + *p = TO_NATIVE(endian, 32, *p); + } + + return 1; +} + +static void parse_elf_finish(struct elf_info *info) +{ + struct pmd_driver *tmp, *idx = info->drivers; + release_file(info->hdr, info->size); + while (idx) { + tmp = idx->next; + free(idx); + idx = tmp; + } +} + +struct opt_tag { + const char *suffix; + const char *json_id; +}; + +static const struct opt_tag opt_tags[] = { + {"_param_string_export", "params"}, + {"_kmod_dep_export", "kmod"}, +}; + +static int complete_pmd_entry(struct elf_info *info, struct pmd_driver *drv) +{ + const char *tname; + int i; + char tmpsymname[128]; + Elf_Sym *tmpsym; + + drv->name = get_sym_value(info, drv->name_sym); + + for (i = 0; i < PMD_OPT_MAX; i++) { + memset(tmpsymname, 0, 128); + sprintf(tmpsymname, "__%s%s", drv->name, opt_tags[i].suffix); + tmpsym = find_sym_in_symtab(info, tmpsymname, NULL); + if (!tmpsym) + continue; + drv->opt_vals[i] = get_sym_value(info, tmpsym); + } + + memset(tmpsymname, 0, 128); + sprintf(tmpsymname, "__%s_pci_tbl_export", drv->name); + + tmpsym = find_sym_in_symtab(info, tmpsymname, NULL); + + + /* + * If this returns NULL, then this is a PMD_VDEV, because + * it has no pci table reference + */ + if (!tmpsym) { + drv->pci_tbl = NULL; + return 0; + } + + tname = get_sym_value(info, tmpsym); + tmpsym = find_sym_in_symtab(info, tname, NULL); + if (!tmpsym) + return -ENOENT; + + drv->pci_tbl = (struct rte_pci_id *)get_sym_value(info, tmpsym); + if (!drv->pci_tbl) + return -ENOENT; + + return 0; +} + +static int locate_pmd_entries(struct elf_info *info) +{ + Elf_Sym *last = NULL; + struct pmd_driver *new; + + info->drivers = NULL; + + do { + new = calloc(sizeof(struct pmd_driver), 1); + if (new == NULL) { + fprintf(stderr, "Failed to calloc memory\n"); + return -1; + } + new->name_sym = find_sym_in_symtab(info, "this_pmd_name", last); + last = new->name_sym; + if (!new->name_sym) + free(new); + else { + if (complete_pmd_entry(info, new)) { + fprintf(stderr, + "Failed to complete pmd entry\n"); + free(new); + } else { + new->next = info->drivers; + info->drivers = new; + } + } + } while (last); + + return 0; +} + +static void output_pmd_info_string(struct elf_info *info, char *outfile) +{ + FILE *ofd; + struct pmd_driver *drv; + struct rte_pci_id *pci_ids; + int idx = 0; + + if (use_stdout) + ofd = stdout; + else { + ofd = fopen(outfile, "w+"); + if (!ofd) { + fprintf(stderr, "Unable to open output file\n"); + return; + } + } + + drv = info->drivers; + + while (drv) { + fprintf(ofd, "const char %s_pmd_info[] __attribute__((used)) = " + "\"PMD_INFO_STRING= {", + drv->name); + fprintf(ofd, "\\\"name\\\" : \\\"%s\\\", ", drv->name); + + for (idx = 0; idx < PMD_OPT_MAX; idx++) { + if (drv->opt_vals[idx]) + fprintf(ofd, "\\\"%s\\\" : \\\"%s\\\", ", + opt_tags[idx].json_id, + drv->opt_vals[idx]); + } + + pci_ids = drv->pci_tbl; + fprintf(ofd, "\\\"pci_ids\\\" : ["); + + while (pci_ids && pci_ids->device_id) { + fprintf(ofd, "[%d, %d, %d, %d]", + pci_ids->vendor_id, pci_ids->device_id, + pci_ids->subsystem_vendor_id, + pci_ids->subsystem_device_id); + pci_ids++; + if (pci_ids->device_id) + fprintf(ofd, ","); + else + fprintf(ofd, " "); + } + fprintf(ofd, "]}\";\n"); + drv = drv->next; + } + + fclose(ofd); +} + +int main(int argc, char **argv) +{ + struct elf_info info = {0}; + int rc = 1; + + if (argc < 3) { + fprintf(stderr, + "usage: %s <object file> <c output file>\n", + basename(argv[0])); + exit(127); + } + use_stdin = !strcmp(argv[1], "-"); + use_stdout = !strcmp(argv[2], "-"); + parse_elf(&info, argv[1]); + + if (locate_pmd_entries(&info) < 0) + exit(1); + + if (info.drivers) { + output_pmd_info_string(&info, argv[2]); + rc = 0; + } else { + fprintf(stderr, "No drivers registered\n"); + } + + parse_elf_finish(&info); + exit(rc); +} diff --git a/src/spdk/dpdk/buildtools/pmdinfogen/pmdinfogen.h b/src/spdk/dpdk/buildtools/pmdinfogen/pmdinfogen.h new file mode 100644 index 00000000..27bab30e --- /dev/null +++ b/src/spdk/dpdk/buildtools/pmdinfogen/pmdinfogen.h @@ -0,0 +1,125 @@ + +/* Postprocess pmd object files to export hw support + * + * Copyright 2016 Neil Horman <nhorman@tuxdriver.com> + * Based in part on modpost.c from the linux kernel + * + * This software may be used and distributed according to the terms + * of the GNU General Public License V2, incorporated herein by reference. + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/mman.h> +#ifdef __linux__ +#include <endian.h> +#else +#include <sys/endian.h> +#endif +#include <fcntl.h> +#include <unistd.h> +#include <elf.h> +#include <rte_config.h> +#include <rte_pci.h> + +/* On BSD-alike OSes elf.h defines these according to host's word size */ +#undef ELF_ST_BIND +#undef ELF_ST_TYPE +#undef ELF_R_SYM +#undef ELF_R_TYPE + +/* + * Define ELF64_* to ELF_*, the latter being defined in both 32 and 64 bit + * flavors in elf.h. This makes our code a bit more generic between arches + * and allows us to support 32 bit code in the future should we ever want to + */ +#ifdef RTE_ARCH_64 +#define Elf_Ehdr Elf64_Ehdr +#define Elf_Shdr Elf64_Shdr +#define Elf_Sym Elf64_Sym +#define Elf_Addr Elf64_Addr +#define Elf_Sword Elf64_Sxword +#define Elf_Section Elf64_Half +#define ELF_ST_BIND ELF64_ST_BIND +#define ELF_ST_TYPE ELF64_ST_TYPE + +#define Elf_Rel Elf64_Rel +#define Elf_Rela Elf64_Rela +#define ELF_R_SYM ELF64_R_SYM +#define ELF_R_TYPE ELF64_R_TYPE +#else +#define Elf_Ehdr Elf32_Ehdr +#define Elf_Shdr Elf32_Shdr +#define Elf_Sym Elf32_Sym +#define Elf_Addr Elf32_Addr +#define Elf_Sword Elf32_Sxword +#define Elf_Section Elf32_Half +#define ELF_ST_BIND ELF32_ST_BIND +#define ELF_ST_TYPE ELF32_ST_TYPE + +#define Elf_Rel Elf32_Rel +#define Elf_Rela Elf32_Rela +#define ELF_R_SYM ELF32_R_SYM +#define ELF_R_TYPE ELF32_R_TYPE +#endif + + +/* + * Note, it seems odd that we have both a CONVERT_NATIVE and a TO_NATIVE macro + * below. We do this because the values passed to TO_NATIVE may themselves be + * macros and need both macros here to get expanded. Specifically its the width + * variable we are concerned with, because it needs to get expanded prior to + * string concatenation + */ +#define CONVERT_NATIVE(fend, width, x) ({ \ +typeof(x) ___x; \ +if ((fend) == ELFDATA2LSB) \ + ___x = le##width##toh(x); \ +else \ + ___x = be##width##toh(x); \ + ___x; \ +}) + +#define TO_NATIVE(fend, width, x) CONVERT_NATIVE(fend, width, x) + +enum opt_params { + PMD_PARAM_STRING = 0, + PMD_KMOD_DEP, + PMD_OPT_MAX +}; + +struct pmd_driver { + Elf_Sym *name_sym; + const char *name; + struct rte_pci_id *pci_tbl; + struct pmd_driver *next; + + const char *opt_vals[PMD_OPT_MAX]; +}; + +struct elf_info { + unsigned long size; + Elf_Ehdr *hdr; + Elf_Shdr *sechdrs; + Elf_Sym *symtab_start; + Elf_Sym *symtab_stop; + char *strtab; + + /* support for 32bit section numbers */ + + unsigned int num_sections; /* max_secindex + 1 */ + unsigned int secindex_strings; + /* if Nth symbol table entry has .st_shndx = SHN_XINDEX, + * take shndx from symtab_shndx_start[N] instead + */ + Elf32_Word *symtab_shndx_start; + Elf32_Word *symtab_shndx_stop; + + struct pmd_driver *drivers; +}; + diff --git a/src/spdk/dpdk/buildtools/relpath.sh b/src/spdk/dpdk/buildtools/relpath.sh new file mode 100755 index 00000000..02953837 --- /dev/null +++ b/src/spdk/dpdk/buildtools/relpath.sh @@ -0,0 +1,76 @@ +#!/bin/sh +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2010-2014 Intel Corporation + +# +# print the relative path of $1 from $2 directory +# $1 and $2 MUST be absolute paths +# + +if [ $# -ne 2 ]; then + echo "Bad arguments" + echo "Usage:" + echo " $0 path1 path2" + exit 1 +fi + +# get the real absolute path, derefencing symlinks +ABS1="$(dirname $(readlink -f $1))/$(basename $1)" +ABS2=$(readlink -f $2) + +# remove leading slash +REL1=${ABS1#/} +REL2=${ABS2#/} + +left1=${REL1%%/*} +right1=${REL1#*/} +prev_right1=$REL1 +prev_left1= + +left2=${REL2%%/*} +right2=${REL2#*/} +prev_right2=$REL2 +prev_left2= + +prefix= + +while [ "${right1}" != "" -a "${right2}" != "" ]; do + + if [ "$left1" != "$left2" ]; then + break + fi + + prev_left1=$left1 + left1=$left1/${right1%%/*} + prev_right1=$right1 + right1=${prev_right1#*/} + if [ "$right1" = "$prev_right1" ]; then + right1="" + fi + + prev_left2=$left2 + left2=$left2/${right2%%/*} + prev_right2=$right2 + right2=${prev_right2#*/} + if [ "$right2" = "$prev_right2" ]; then + right2="" + fi +done + +if [ "${left1}" != "${left2}" ]; then + right2=${prev_right2} + right1=${prev_right1} +fi + +while [ "${right2}" != "" ]; do + prefix=${prefix}../ + prev_right2=$right2 + right2=${right2#*/} + if [ "$right2" = "$prev_right2" ]; then + right2="" + fi +done + +echo ${prefix}${right1} + +exit 0 diff --git a/src/spdk/dpdk/buildtools/symlink-drivers-solibs.sh b/src/spdk/dpdk/buildtools/symlink-drivers-solibs.sh new file mode 100644 index 00000000..803dfec4 --- /dev/null +++ b/src/spdk/dpdk/buildtools/symlink-drivers-solibs.sh @@ -0,0 +1,12 @@ +#! /bin/sh +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2017 Intel Corporation + +# post-install script for meson/ninja builds to symlink the PMDs stored in +# $libdir/dpdk/drivers/ to $libdir. This is needed as some PMDs depend on +# others, e.g. PCI device PMDs depending on the PCI bus driver. + +# parameters to script are paths relative to install prefix: +# 1. directory containing driver files e.g. lib64/dpdk/drivers +# 2. directory for installed regular libs e.g. lib64 +ln -sf ${DESTDIR}/${MESON_INSTALL_PREFIX}/$1/* ${DESTDIR}/${MESON_INSTALL_PREFIX}/$2 |