X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Flinuxapp%2Feal%2Feal.c;h=3f4dff2a4c57d7e14f4d7323de9d75e7b4c0a6c3;hb=3071e0aaa89b57a66960d163f794213349d0a72e;hp=4f74eca2538074f136c753472519b80d013c23ce;hpb=4f04db8b8909523d87486457f2fc4fa1f9a5740f;p=dpdk.git diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c index 4f74eca253..3f4dff2a4c 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -1,14 +1,14 @@ /*- * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. * Copyright(c) 2012-2014 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 @@ -18,7 +18,7 @@ * * 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 @@ -43,21 +43,22 @@ #include #include #include -#include #include #include #include #include #include #include +#include +#if defined(RTE_ARCH_X86) #include +#endif #include #include #include #include #include -#include #include #include #include @@ -69,64 +70,28 @@ #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" - -#define OPT_HUGE_DIR "huge-dir" -#define OPT_PROC_TYPE "proc-type" -#define OPT_NO_SHCONF "no-shconf" -#define OPT_NO_HPET "no-hpet" -#define OPT_VMWARE_TSC_MAP "vmware-tsc-map" -#define OPT_NO_PCI "no-pci" -#define OPT_NO_HUGE "no-huge" -#define OPT_FILE_PREFIX "file-prefix" -#define OPT_SOCKET_MEM "socket-mem" -#define OPT_USE_DEVICE "use-device" -#define OPT_PCI_WHITELIST "pci-whitelist" -#define OPT_PCI_BLACKLIST "pci-blacklist" -#define OPT_VDEV "vdev" -#define OPT_SYSLOG "syslog" -#define OPT_BASE_VIRTADDR "base-virtaddr" -#define OPT_XEN_DOM0 "xen-dom0" -#define OPT_CREATE_UIO_DEV "create-uio-dev" - -#define RTE_EAL_BLACKLIST_SIZE 0x100 +#include "eal_options.h" +#include "eal_vfio.h" #define MEMSIZE_IF_NO_HUGE_PAGE (64ULL * 1024ULL * 1024ULL) #define SOCKET_MEM_STRLEN (RTE_MAX_NUMA_NODES * 10) -#define HIGHEST_RPL 3 - -#define BITS_PER_HEX 4 - /* Allow the application to print its usage message too if set */ static rte_usage_hook_t rte_application_usage_hook = NULL; -TAILQ_HEAD(shared_driver_list, shared_driver); - -/* Definition for shared object drivers. */ -struct shared_driver { - TAILQ_ENTRY(shared_driver) next; - - char name[PATH_MAX]; - void* lib_handle; -}; - -/* List of external loadable drivers */ -static struct shared_driver_list solib_list = -TAILQ_HEAD_INITIALIZER(solib_list); - /* early configuration structure, when memory config is not mmapped */ static struct rte_mem_config early_mem_config; @@ -211,6 +176,14 @@ rte_eal_config_create(void) if (internal_config.no_shconf) return; + /* map the config before hugepage address so that we don't waste a page */ + if (internal_config.base_virtaddr != 0) + rte_mem_cfg_addr = (void *) + RTE_ALIGN_FLOOR(internal_config.base_virtaddr - + sizeof(struct rte_mem_config), sysconf(_SC_PAGE_SIZE)); + else + rte_mem_cfg_addr = NULL; + if (mem_cfg_fd < 0){ mem_cfg_fd = open(pathname, O_RDWR | O_CREAT, 0660); if (mem_cfg_fd < 0) @@ -230,7 +203,7 @@ rte_eal_config_create(void) "process running?\n", pathname); } - rte_mem_cfg_addr = mmap(NULL, sizeof(*rte_config.mem_config), + rte_mem_cfg_addr = mmap(rte_mem_cfg_addr, sizeof(*rte_config.mem_config), PROT_READ | PROT_WRITE, MAP_SHARED, mem_cfg_fd, 0); if (rte_mem_cfg_addr == MAP_FAILED){ @@ -238,13 +211,19 @@ rte_eal_config_create(void) } memcpy(rte_mem_cfg_addr, &early_mem_config, sizeof(early_mem_config)); rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr; + + /* store address of the config in the config itself so that secondary + * processes could later map the config into this exact location */ + rte_config.mem_config->mem_cfg_addr = (uintptr_t) rte_mem_cfg_addr; + } /* attach to an existing shared memory config */ static void rte_eal_config_attach(void) { - void *rte_mem_cfg_addr; + struct rte_mem_config *mem_config; + const char *pathname = eal_runtime_config_path(); if (internal_config.no_shconf) @@ -256,17 +235,44 @@ rte_eal_config_attach(void) 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); + /* map it as read-only first */ + mem_config = (struct rte_mem_config *) mmap(NULL, sizeof(*mem_config), + PROT_READ, MAP_SHARED, mem_cfg_fd, 0); + if (mem_config == MAP_FAILED) + rte_panic("Cannot mmap memory for rte_config\n"); + + rte_config.mem_config = mem_config; +} + +/* reattach the shared config at exact memory location primary process has it */ +static void +rte_eal_config_reattach(void) +{ + struct rte_mem_config *mem_config; + void *rte_mem_cfg_addr; + + if (internal_config.no_shconf) + return; + + /* save the address primary process has mapped shared config to */ + rte_mem_cfg_addr = (void *) (uintptr_t) rte_config.mem_config->mem_cfg_addr; + + /* unmap original config */ + munmap(rte_config.mem_config, sizeof(struct rte_mem_config)); + + /* remap the config at proper address */ + mem_config = (struct rte_mem_config *) mmap(rte_mem_cfg_addr, + sizeof(*mem_config), PROT_READ | PROT_WRITE, MAP_SHARED, + mem_cfg_fd, 0); close(mem_cfg_fd); - if (rte_mem_cfg_addr == MAP_FAILED) + if (mem_config == MAP_FAILED || mem_config != rte_mem_cfg_addr) rte_panic("Cannot mmap memory for rte_config\n"); - rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr; + rte_config.mem_config = mem_config; } /* Detect if we are a primary or a secondary process */ -static enum rte_proc_type_t +enum rte_proc_type_t eal_proc_type_detect(void) { enum rte_proc_type_t ptype = RTE_PROC_PRIMARY; @@ -289,11 +295,7 @@ eal_proc_type_detect(void) static void rte_config_init(void) { - /* set the magic in configuration structure */ - rte_config.magic = RTE_MAGIC; - rte_config.process_type = (internal_config.process_type == RTE_PROC_AUTO) ? - eal_proc_type_detect() : /* for auto, detect the type */ - internal_config.process_type; /* otherwise use what's already set */ + rte_config.process_type = internal_config.process_type; switch (rte_config.process_type){ case RTE_PROC_PRIMARY: @@ -302,6 +304,7 @@ rte_config_init(void) case RTE_PROC_SECONDARY: rte_eal_config_attach(); rte_eal_mcfg_wait_complete(rte_config.mem_config); + rte_eal_config_reattach(); break; case RTE_PROC_AUTO: case RTE_PROC_INVALID: @@ -332,45 +335,17 @@ eal_hugedirs_unlock(void) static void eal_usage(const char *prgname) { - printf("\nUsage: %s -c COREMASK -n NUM [-m NB] [-r NUM] [-b ]" - "[--proc-type primary|secondary|auto] \n\n" - "EAL options:\n" - " -c COREMASK : A hexadecimal bitmask of cores to run on\n" - " -n NUM : Number of memory channels\n" - " -v : Display version information on startup\n" - " -d LIB.so : add driver (can be used multiple times)\n" - " -m MB : memory to allocate (see also --"OPT_SOCKET_MEM")\n" - " -r NUM : force number of memory ranks (don't detect)\n" - " --"OPT_XEN_DOM0" : support application running on Xen Domain0 " - "without hugetlbfs\n" - " --"OPT_SYSLOG" : set syslog facility\n" - " --"OPT_SOCKET_MEM" : memory to allocate on specific \n" - " sockets (use comma separated values)\n" - " --"OPT_HUGE_DIR" : directory where hugetlbfs is mounted\n" - " --"OPT_PROC_TYPE" : type of this process\n" - " --"OPT_FILE_PREFIX": prefix for hugepage filenames\n" - " --"OPT_PCI_BLACKLIST", -b: add a PCI device in black list.\n" - " Prevent EAL from using this PCI device. The argument\n" - " format is .\n" - " --"OPT_PCI_WHITELIST", -w: add a PCI device in white list.\n" - " Only use the specified PCI devices. The argument format\n" - " is <[domain:]bus:devid.func>. This option can be present\n" - " several times (once per device).\n" - " [NOTE: PCI whitelist cannot be used with -b option]\n" - " --"OPT_VDEV": add a virtual device.\n" - " The argument format is [,key=val,...]\n" - " (ex: --vdev=eth_pcap0,iface=eth2).\n" - " --"OPT_VMWARE_TSC_MAP": use VMware TSC map instead of " - "native RDTSC\n" - " --"OPT_BASE_VIRTADDR": specify base virtual address\n" - " --"OPT_CREATE_UIO_DEV": create /dev/uioX (usually done by hotplug)\n" - "\nEAL options for DEBUG use only:\n" - " --"OPT_NO_HUGE" : use malloc instead of hugetlbfs\n" - " --"OPT_NO_PCI" : disable pci\n" - " --"OPT_NO_HPET" : disable hpet\n" - " --"OPT_NO_SHCONF": no shared config (mmap'd files)\n" - "\n", - prgname); + printf("\nUsage: %s ", prgname); + eal_common_usage(); + printf("EAL Linux options:\n" + " --"OPT_SOCKET_MEM" Memory to allocate on sockets (comma separated values)\n" + " --"OPT_HUGE_DIR" Directory where hugetlbfs is mounted\n" + " --"OPT_FILE_PREFIX" Prefix for hugepage filenames\n" + " --"OPT_BASE_VIRTADDR" Base virtual address\n" + " --"OPT_CREATE_UIO_DEV" Create /dev/uioX (usually done by hotplug)\n" + " --"OPT_VFIO_INTR" Interrupt mode for VFIO (legacy|msi|msix)\n" + " --"OPT_XEN_DOM0" Support running on Xen dom0 without hugetlbfs\n" + "\n"); /* Allow the application to print its usage message too if hook is set */ if ( rte_application_usage_hook ) { printf("===== Application Usage =====\n\n"); @@ -391,121 +366,6 @@ rte_set_application_usage_hook( rte_usage_hook_t usage_func ) return old_func; } -/* - * Parse the coremask given as argument (hexadecimal string) and fill - * the global configuration (core role and core count) with the parsed - * value. - */ -static int xdigit2val(unsigned char c) -{ - int val; - if(isdigit(c)) - val = c - '0'; - else if(isupper(c)) - val = c - 'A' + 10; - else - val = c - 'a' + 10; - return val; -} -static int -eal_parse_coremask(const char *coremask) -{ - struct rte_config *cfg = rte_eal_get_configuration(); - int i, j, idx = 0 ; - unsigned count = 0; - char c; - int val; - - if (coremask == NULL) - return -1; - /* Remove all blank characters ahead and after . - * Remove 0x/0X if exists. - */ - while (isblank(*coremask)) - coremask++; - if (coremask[0] == '0' && ((coremask[1] == 'x') - || (coremask[1] == 'X')) ) - coremask += 2; - i = strnlen(coremask, PATH_MAX); - while ((i > 0) && isblank(coremask[i - 1])) - i--; - if (i == 0) - return -1; - - for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) { - c = coremask[i]; - if (isxdigit(c) == 0) { - /* invalid characters */ - return (-1); - } - val = xdigit2val(c); - for(j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++) { - if((1 << j) & val) { - if (!lcore_config[idx].detected) { - RTE_LOG(ERR, EAL, "lcore %u " - "unavailable\n", idx); - return -1; - } - cfg->lcore_role[idx] = ROLE_RTE; - if(count == 0) - cfg->master_lcore = idx; - count++; - } else { - cfg->lcore_role[idx] = ROLE_OFF; - } - } - } - for(; i >= 0; i--) - if(coremask[i] != '0') - return -1; - for(; idx < RTE_MAX_LCORE; idx++) - cfg->lcore_role[idx] = ROLE_OFF; - if(count == 0) - return -1; - /* Update the count of enabled logical cores of the EAL configuration */ - cfg->lcore_count = count; - return 0; -} - -static int -eal_parse_syslog(const char *facility) -{ - int i; - static struct { - const char *name; - int value; - } map[] = { - { "auth", LOG_AUTH }, - { "cron", LOG_CRON }, - { "daemon", LOG_DAEMON }, - { "ftp", LOG_FTP }, - { "kern", LOG_KERN }, - { "lpr", LOG_LPR }, - { "mail", LOG_MAIL }, - { "news", LOG_NEWS }, - { "syslog", LOG_SYSLOG }, - { "user", LOG_USER }, - { "uucp", LOG_UUCP }, - { "local0", LOG_LOCAL0 }, - { "local1", LOG_LOCAL1 }, - { "local2", LOG_LOCAL2 }, - { "local3", LOG_LOCAL3 }, - { "local4", LOG_LOCAL4 }, - { "local5", LOG_LOCAL5 }, - { "local6", LOG_LOCAL6 }, - { "local7", LOG_LOCAL7 }, - { NULL, 0 } - }; - - for (i = 0; map[i].name; i++) { - if (!strcmp(facility, map[i].name)) { - internal_config.syslog_facility = map[i].value; - return 0; - } - } - return -1; -} - static int eal_parse_socket_mem(char *socket_mem) { @@ -562,6 +422,7 @@ eal_parse_base_virtaddr(const char *arg) char *end; uint64_t addr; + errno = 0; addr = strtoull(arg, &end, 16); /* check for errors */ @@ -569,343 +430,228 @@ eal_parse_base_virtaddr(const char *arg) return -1; /* make sure we don't exceed 32-bit boundary on 32-bit target */ -#ifndef RTE_ARCH_X86_64 +#ifndef RTE_ARCH_64 if (addr >= UINTPTR_MAX) return -1; #endif - /* align the addr on 2M boundary */ - internal_config.base_virtaddr = RTE_PTR_ALIGN_CEIL((uintptr_t)addr, - RTE_PGSIZE_2M); + /* align the addr on 16M boundary, 16MB is the minimum huge page + * size on IBM Power architecture. If the addr is aligned to 16MB, + * it can align to 2MB for x86. So this alignment can also be used + * on x86 */ + internal_config.base_virtaddr = + RTE_PTR_ALIGN_CEIL((uintptr_t)addr, (size_t)RTE_PGSIZE_16M); return 0; } -static inline size_t -eal_get_hugepage_mem_size(void) +static int +eal_parse_vfio_intr(const char *mode) { - 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]; - } + unsigned i; + static struct { + const char *name; + enum rte_intr_mode value; + } map[] = { + { "legacy", RTE_INTR_MODE_LEGACY }, + { "msi", RTE_INTR_MODE_MSI }, + { "msix", RTE_INTR_MODE_MSIX }, + }; + + for (i = 0; i < RTE_DIM(map); i++) { + if (!strcmp(mode, map[i].name)) { + internal_config.vfio_intr_mode = map[i].value; + return 0; } } - - return (size < SIZE_MAX) ? (size_t)(size) : SIZE_MAX; + return -1; } -static enum rte_proc_type_t -eal_parse_proc_type(const char *arg) +/* Parse the arguments for --log-level only */ +static void +eal_log_level_parse(int argc, char **argv) { - if (strncasecmp(arg, "primary", sizeof("primary")) == 0) - return RTE_PROC_PRIMARY; - if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0) - return RTE_PROC_SECONDARY; - if (strncasecmp(arg, "auto", sizeof("auto")) == 0) - return RTE_PROC_AUTO; - - return RTE_PROC_INVALID; + int opt; + char **argvopt; + int option_index; + const int old_optind = optind; + const int old_optopt = optopt; + char * const old_optarg = optarg; + + argvopt = argv; + optind = 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; + 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, i; + int opt, ret; char **argvopt; int option_index; - int coremask_ok = 0; char *prgname = argv[0]; - static struct option lgopts[] = { - {OPT_NO_HUGE, 0, 0, 0}, - {OPT_NO_PCI, 0, 0, 0}, - {OPT_NO_HPET, 0, 0, 0}, - {OPT_VMWARE_TSC_MAP, 0, 0, 0}, - {OPT_HUGE_DIR, 1, 0, 0}, - {OPT_NO_SHCONF, 0, 0, 0}, - {OPT_PROC_TYPE, 1, 0, 0}, - {OPT_FILE_PREFIX, 1, 0, 0}, - {OPT_SOCKET_MEM, 1, 0, 0}, - {OPT_PCI_WHITELIST, 1, 0, 0}, - {OPT_PCI_BLACKLIST, 1, 0, 0}, - {OPT_VDEV, 1, 0, 0}, - {OPT_SYSLOG, 1, NULL, 0}, - {OPT_BASE_VIRTADDR, 1, 0, 0}, - {OPT_XEN_DOM0, 0, 0, 0}, - {OPT_CREATE_UIO_DEV, 1, NULL, 0}, - {0, 0, 0, 0} - }; - struct shared_driver *solib; + const int old_optind = optind; + const int old_optopt = optopt; + char * const old_optarg = optarg; argvopt = argv; + optind = 1; - internal_config.memory = 0; - internal_config.force_nrank = 0; - internal_config.force_nchannel = 0; - internal_config.hugefile_prefix = HUGEFILE_PREFIX_DEFAULT; - internal_config.hugepage_dir = NULL; - internal_config.force_sockets = 0; - internal_config.syslog_facility = LOG_DAEMON; - internal_config.xen_dom0_support = 0; -#ifdef RTE_LIBEAL_USE_HPET - internal_config.no_hpet = 0; -#else - internal_config.no_hpet = 1; -#endif - /* zero out the NUMA config */ - for (i = 0; i < RTE_MAX_NUMA_NODES; i++) - internal_config.socket_mem[i] = 0; - - /* zero out hugedir descriptors */ - for (i = 0; i < MAX_HUGEPAGE_SIZES; i++) - internal_config.hugepage_info[i].lock_descriptor = -1; + while ((opt = getopt_long(argc, argvopt, eal_short_options, + eal_long_options, &option_index)) != EOF) { - internal_config.vmware_tsc_map = 0; - internal_config.base_virtaddr = 0; + /* getopt is not happy, stop right now */ + if (opt == '?') { + eal_usage(prgname); + ret = -1; + goto out; + } - while ((opt = getopt_long(argc, argvopt, "b:w:c:d:m:n:r:v", - lgopts, &option_index)) != EOF) { + 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) { - /* blacklist */ - case 'b': - if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI, - optarg) < 0) { - eal_usage(prgname); - return (-1); - } - break; - /* whitelist */ - case 'w': - if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, - optarg) < 0) { - eal_usage(prgname); - return -1; - } - break; - /* coremask */ - case 'c': - if (eal_parse_coremask(optarg) < 0) { - RTE_LOG(ERR, EAL, "invalid coremask\n"); - eal_usage(prgname); - return -1; - } - coremask_ok = 1; + case 'h': + eal_usage(prgname); + exit(EXIT_SUCCESS); + + /* long options */ + case OPT_XEN_DOM0_NUM: +#ifdef RTE_LIBRTE_XEN_DOM0 + internal_config.xen_dom0_support = 1; +#else + RTE_LOG(ERR, EAL, "Can't support DPDK app " + "running on Dom0, please configure" + " RTE_LIBRTE_XEN_DOM0=y\n"); + ret = -1; + goto out; +#endif break; - /* force loading of external driver */ - case 'd': - solib = malloc(sizeof(*solib)); - if (solib == NULL) { - RTE_LOG(ERR, EAL, "malloc(solib) failed\n"); - return -1; - } - memset(solib, 0, sizeof(*solib)); - strncpy(solib->name, optarg, PATH_MAX-1); - solib->name[PATH_MAX-1] = 0; - TAILQ_INSERT_TAIL(&solib_list, solib, next); + + case OPT_HUGE_DIR_NUM: + internal_config.hugepage_dir = optarg; break; - /* size of memory */ - case 'm': - internal_config.memory = atoi(optarg); - internal_config.memory *= 1024ULL; - internal_config.memory *= 1024ULL; + + case OPT_FILE_PREFIX_NUM: + internal_config.hugefile_prefix = optarg; break; - /* force number of channels */ - case 'n': - internal_config.force_nchannel = atoi(optarg); - if (internal_config.force_nchannel == 0 || - internal_config.force_nchannel > 4) { - RTE_LOG(ERR, EAL, "invalid channel number\n"); + + case OPT_SOCKET_MEM_NUM: + if (eal_parse_socket_mem(optarg) < 0) { + RTE_LOG(ERR, EAL, "invalid parameters for --" + OPT_SOCKET_MEM "\n"); eal_usage(prgname); - return -1; + ret = -1; + goto out; } break; - /* force number of ranks */ - case 'r': - internal_config.force_nrank = atoi(optarg); - if (internal_config.force_nrank == 0 || - internal_config.force_nrank > 16) { - RTE_LOG(ERR, EAL, "invalid rank number\n"); + + case OPT_BASE_VIRTADDR_NUM: + if (eal_parse_base_virtaddr(optarg) < 0) { + RTE_LOG(ERR, EAL, "invalid parameter for --" + OPT_BASE_VIRTADDR "\n"); eal_usage(prgname); - return -1; + ret = -1; + goto out; } break; - case 'v': - /* since message is explicitly requested by user, we - * write message at highest log level so it can always be seen - * even if info or warning messages are disabled */ - RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version()); - break; - /* long options */ - case 0: - if (!strcmp(lgopts[option_index].name, OPT_NO_HUGE)) { - internal_config.no_hugetlbfs = 1; - } - if (!strcmp(lgopts[option_index].name, OPT_XEN_DOM0)) { - #ifdef RTE_LIBRTE_XEN_DOM0 - internal_config.xen_dom0_support = 1; - #else - RTE_LOG(ERR, EAL, "Can't support DPDK app " - "running on Dom0, please configure" - " RTE_LIBRTE_XEN_DOM0=y\n"); - return -1; - #endif - } - else if (!strcmp(lgopts[option_index].name, OPT_NO_PCI)) { - internal_config.no_pci = 1; - } - else if (!strcmp(lgopts[option_index].name, OPT_NO_HPET)) { - internal_config.no_hpet = 1; - } - else if (!strcmp(lgopts[option_index].name, OPT_VMWARE_TSC_MAP)) { - internal_config.vmware_tsc_map = 1; - } - else if (!strcmp(lgopts[option_index].name, OPT_NO_SHCONF)) { - internal_config.no_shconf = 1; - } - else if (!strcmp(lgopts[option_index].name, OPT_HUGE_DIR)) { - internal_config.hugepage_dir = optarg; - } - else if (!strcmp(lgopts[option_index].name, OPT_PROC_TYPE)) { - internal_config.process_type = eal_parse_proc_type(optarg); - } - else if (!strcmp(lgopts[option_index].name, OPT_FILE_PREFIX)) { - internal_config.hugefile_prefix = optarg; - } - else if (!strcmp(lgopts[option_index].name, OPT_SOCKET_MEM)) { - if (eal_parse_socket_mem(optarg) < 0) { - RTE_LOG(ERR, EAL, "invalid parameters for --" - OPT_SOCKET_MEM "\n"); - eal_usage(prgname); - return -1; - } - } - else if (!strcmp(lgopts[option_index].name, OPT_USE_DEVICE)) { - printf("The --use-device option is deprecated, please use\n" - "--whitelist or --vdev instead.\n"); + case OPT_VFIO_INTR_NUM: + if (eal_parse_vfio_intr(optarg) < 0) { + RTE_LOG(ERR, EAL, "invalid parameters for --" + OPT_VFIO_INTR "\n"); eal_usage(prgname); - return -1; - } - else if (!strcmp(lgopts[option_index].name, OPT_PCI_BLACKLIST)) { - if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI, - optarg) < 0) { - eal_usage(prgname); - return -1; - } - } - else if (!strcmp(lgopts[option_index].name, OPT_PCI_WHITELIST)) { - if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, - optarg) < 0) { - eal_usage(prgname); - return -1; - } - } - else if (!strcmp(lgopts[option_index].name, OPT_VDEV)) { - if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL, - optarg) < 0) { - eal_usage(prgname); - return -1; - } - } - else if (!strcmp(lgopts[option_index].name, OPT_SYSLOG)) { - if (eal_parse_syslog(optarg) < 0) { - RTE_LOG(ERR, EAL, "invalid parameters for --" - OPT_SYSLOG "\n"); - eal_usage(prgname); - return -1; - } - } - else if (!strcmp(lgopts[option_index].name, OPT_BASE_VIRTADDR)) { - if (eal_parse_base_virtaddr(optarg) < 0) { - RTE_LOG(ERR, EAL, "invalid parameter for --" - OPT_BASE_VIRTADDR "\n"); - eal_usage(prgname); - return -1; - } - } - else if (!strcmp(lgopts[option_index].name, OPT_CREATE_UIO_DEV)) { - internal_config.create_uio_dev = 1; + ret = -1; + goto out; } break; + case OPT_CREATE_UIO_DEV_NUM: + internal_config.create_uio_dev = 1; + break; + default: + if (opt < OPT_LONG_MIN_NUM && isprint(opt)) { + RTE_LOG(ERR, EAL, "Option %c is not supported " + "on Linux\n", opt); + } else if (opt >= OPT_LONG_MIN_NUM && + opt < OPT_LONG_MAX_NUM) { + RTE_LOG(ERR, EAL, "Option %s is not supported " + "on Linux\n", + eal_long_options[option_index].name); + } else { + RTE_LOG(ERR, EAL, "Option %d is not supported " + "on Linux\n", opt); + } eal_usage(prgname); - return -1; + ret = -1; + goto out; } } - /* sanity checks */ - if (!coremask_ok) { - RTE_LOG(ERR, EAL, "coremask not specified\n"); - eal_usage(prgname); - return -1; - } - if (internal_config.process_type == RTE_PROC_AUTO){ - internal_config.process_type = eal_proc_type_detect(); - } - if (internal_config.process_type == RTE_PROC_INVALID){ - RTE_LOG(ERR, EAL, "Invalid process type specified\n"); - eal_usage(prgname); - return -1; - } - if (internal_config.process_type == RTE_PROC_PRIMARY && - internal_config.force_nchannel == 0) { - RTE_LOG(ERR, EAL, "Number of memory channels (-n) not specified\n"); - eal_usage(prgname); - return -1; - } - if (index(internal_config.hugefile_prefix,'%') != NULL){ - RTE_LOG(ERR, EAL, "Invalid char, '%%', in '"OPT_FILE_PREFIX"' option\n"); - eal_usage(prgname); - return -1; - } - if (internal_config.memory > 0 && internal_config.force_sockets == 1) { - RTE_LOG(ERR, EAL, "Options -m and --socket-mem cannot be specified " - "at the same time\n"); - eal_usage(prgname); - return -1; + if (eal_adjust_config(&internal_config) != 0) { + ret = -1; + goto out; } - /* --no-huge doesn't make sense with either -m or --socket-mem */ - if (internal_config.no_hugetlbfs && - (internal_config.memory > 0 || - internal_config.force_sockets == 1)) { - RTE_LOG(ERR, EAL, "Options -m or --socket-mem cannot be specified " - "together with --no-huge!\n"); + + /* sanity checks */ + if (eal_check_common_options(&internal_config) != 0) { eal_usage(prgname); - return -1; + ret = -1; + goto out; } + /* --xen-dom0 doesn't make sense with --socket-mem */ if (internal_config.xen_dom0_support && internal_config.force_sockets == 1) { - RTE_LOG(ERR, EAL, "Options --socket-mem cannot be specified " - "together with --xen_dom0!\n"); - eal_usage(prgname); - return -1; - } - - if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 0 && - rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 0) { - RTE_LOG(ERR, EAL, "Error: blacklist [-b] and whitelist " - "[-w] options cannot be used at the same time\n"); + RTE_LOG(ERR, EAL, "Options --"OPT_SOCKET_MEM" cannot be specified " + "together with --"OPT_XEN_DOM0"\n"); eal_usage(prgname); - return -1; + ret = -1; + goto out; } if (optind >= 0) argv[optind-1] = prgname; + ret = optind-1; - /* if no memory amounts were requested, this will result in 0 and - * will be overriden later, right after eal_hugepage_info_init() */ - for (i = 0; i < RTE_MAX_NUMA_NODES; i++) - internal_config.memory += internal_config.socket_mem[i]; +out: + /* restore getopt lib */ + optind = old_optind; + optopt = old_optopt; + optarg = old_optarg; - ret = optind-1; - optind = 0; /* reset getopt lib */ return ret; } @@ -934,7 +680,7 @@ sync_func(__attribute__((unused)) void *arg) return 0; } -inline static void +inline static void rte_eal_mcfg_complete(void) { /* ALL shared mem_config related INIT DONE */ @@ -943,13 +689,46 @@ rte_eal_mcfg_complete(void) } /* - * Request iopl priviledge for all RPL, returns 0 on success + * Request iopl privilege for all RPL, returns 0 on success + * iopl() call is mostly for the i386 architecture. For other architectures, + * return -1 to indicate IO privilege can't be changed in this way. */ -static int +int rte_eal_iopl_init(void) { - return iopl(HIGHEST_RPL); +#if defined(RTE_ARCH_X86) + if (iopl(3) != 0) + return -1; +#endif + return 0; +} + +#ifdef VFIO_PRESENT +static int rte_eal_vfio_setup(void) +{ + int vfio_enabled = 0; + + if (!internal_config.no_pci) { + pci_vfio_enable(); + vfio_enabled |= pci_vfio_is_enabled(); + } + + if (vfio_enabled) { + + /* if we are primary process, create a thread to communicate with + * secondary processes. the thread will use a socket to wait for + * requests from secondary process to send open file descriptors, + * because VFIO does not allow multiple open descriptors on a group or + * VFIO container. + */ + if (internal_config.process_type == RTE_PROC_PRIMARY && + vfio_mp_sync_setup() < 0) + return -1; + } + + return 0; } +#endif /* Launch threads, called at application init(). */ int @@ -958,8 +737,12 @@ 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); - struct shared_driver *solib = NULL; const char *logid; + char cpuset[RTE_CPU_AFFINITY_STR_LEN]; + char thread_name[RTE_MAX_THREAD_NAME_LEN]; + + /* checks if the machine is adequate */ + rte_cpu_check_supported(); if (!rte_atomic32_test_and_set(&run_once)) return -1; @@ -972,6 +755,11 @@ rte_eal_init(int argc, char **argv) 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"); @@ -988,8 +776,6 @@ rte_eal_init(int argc, char **argv) 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) { @@ -1007,15 +793,12 @@ rte_eal_init(int argc, char **argv) rte_config_init(); - if (rte_eal_iopl_init() == 0) - rte_config.flags |= EAL_FLG_HIGH_IOPL; - if (rte_eal_pci_init() < 0) rte_panic("Cannot init PCI\n"); -#ifdef RTE_LIBRTE_IVSHMEM - if (rte_eal_ivshmem_init() < 0) - rte_panic("Cannot init IVSHMEM\n"); +#ifdef VFIO_PRESENT + if (rte_eal_vfio_setup() < 0) + rte_panic("Cannot init VFIO\n"); #endif if (rte_eal_memory_init() < 0) @@ -1023,52 +806,40 @@ rte_eal_init(int argc, char **argv) /* the directories are locked during eal_hugepage_info_init */ eal_hugedirs_unlock(); - + 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"); -#ifdef RTE_LIBRTE_IVSHMEM - if (rte_eal_ivshmem_obj_init() < 0) - rte_panic("Cannot init IVSHMEM objects\n"); -#endif - if (rte_eal_log_init(logid, 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"); eal_check_mem_on_local_socket(); - rte_eal_mcfg_complete(); + if (eal_plugins_init() < 0) + rte_panic("Cannot init plugins\n"); - TAILQ_FOREACH(solib, &solib_list, next) { - RTE_LOG(INFO, EAL, "open shared lib %s\n", solib->name); - solib->lib_handle = dlopen(solib->name, RTLD_NOW); - if ((solib->lib_handle == NULL) && (solib->name[0] != '/')) { - /* relative path: try again with "./" prefix */ - char sopath[PATH_MAX]; - snprintf(sopath, sizeof(sopath), "./%s", solib->name); - solib->lib_handle = dlopen(sopath, RTLD_NOW); - } - if (solib->lib_handle == NULL) - RTE_LOG(WARNING, EAL, "%s\n", dlerror()); - } + eal_thread_init_master(rte_config.master_lcore); - if (rte_eal_vdev_init() < 0) - rte_panic("Cannot init virtual devices\n"); + ret = eal_thread_dump_affinity(cpuset, RTE_CPU_AFFINITY_STR_LEN); - RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%x)\n", - rte_config.master_lcore, (int)thread_id); + RTE_LOG(DEBUG, EAL, "Master lcore %u is ready (tid=%x;cpuset=[%s%s])\n", + rte_config.master_lcore, (int)thread_id, cpuset, + ret == 0 ? "" : "..."); + + if (rte_eal_dev_init() < 0) + rte_panic("Cannot init pmd devices\n"); + + if (rte_eal_intr_init() < 0) + rte_panic("Cannot init interrupt-handling thread\n"); RTE_LCORE_FOREACH_SLAVE(i) { @@ -1088,9 +859,16 @@ rte_eal_init(int argc, char **argv) eal_thread_loop, NULL); if (ret != 0) rte_panic("Cannot create thread\n"); - } - eal_thread_init_master(rte_config.master_lcore); + /* Set thread_name for aid in debugging. */ + snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN, + "lcore-slave-%d", i); + ret = rte_thread_setname(lcore_config[i].thread_id, + thread_name); + if (ret != 0) + RTE_LOG(DEBUG, EAL, + "Cannot set name for lcore thread\n"); + } /* * Launch a dummy function on all slave lcores, so that master lcore @@ -1099,6 +877,12 @@ rte_eal_init(int argc, char **argv) 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; } @@ -1106,16 +890,50 @@ rte_eal_init(int argc, char **argv) enum rte_lcore_role_t rte_eal_lcore_role(unsigned lcore_id) { - return (rte_config.lcore_role[lcore_id]); + return rte_config.lcore_role[lcore_id]; } enum rte_proc_type_t rte_eal_process_type(void) { - return (rte_config.process_type); + return rte_config.process_type; } int rte_eal_has_hugepages(void) { return ! internal_config.no_hugetlbfs; } + +int +rte_eal_check_module(const char *module_name) +{ + char sysfs_mod_name[PATH_MAX]; + struct stat st; + int n; + + if (NULL == module_name) + return -1; + + /* Check if there is sysfs mounted */ + if (stat("/sys/module", &st) != 0) { + RTE_LOG(DEBUG, EAL, "sysfs is not mounted! error %i (%s)\n", + errno, strerror(errno)); + return -1; + } + + /* A module might be built-in, therefore try sysfs */ + n = snprintf(sysfs_mod_name, PATH_MAX, "/sys/module/%s", module_name); + if (n < 0 || n > PATH_MAX) { + RTE_LOG(DEBUG, EAL, "Could not format module path\n"); + return -1; + } + + if (stat(sysfs_mod_name, &st) != 0) { + RTE_LOG(DEBUG, EAL, "Module %s not found! error %i (%s)\n", + sysfs_mod_name, errno, strerror(errno)); + return 0; + } + + /* Module has been found */ + return 1; +}