X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_options.c;h=9f2f8d25afd969cb4bd2fb37b5852bbd79ace8c0;hb=ca33590b6af032bff57d9cc70455660466a654b2;hp=0a594d7fd9c2e39b257dd48820046701e0f7dacc;hpb=a41e6ff15809d40e0f9bbc9576bf8f7f80fbec1d;p=deb_dpdk.git diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c index 0a594d7f..9f2f8d25 100644 --- a/lib/librte_eal/common/eal_common_options.c +++ b/lib/librte_eal/common/eal_common_options.c @@ -1,34 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * Copyright(c) 2014 6WIND S.A. - * - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation. + * Copyright(c) 2014 6WIND S.A. */ #include @@ -47,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -56,14 +29,19 @@ #include "eal_filesystem.h" #define BITS_PER_HEX 4 +#define LCORE_OPT_LST 1 +#define LCORE_OPT_MSK 2 +#define LCORE_OPT_MAP 3 const char eal_short_options[] = "b:" /* pci-blacklist */ "c:" /* coremask */ + "s:" /* service coremask */ "d:" /* driver */ "h" /* help */ "l:" /* corelist */ + "S:" /* service corelist */ "m:" /* memory size */ "n:" /* memory channels */ "r:" /* memory ranks */ @@ -82,6 +60,7 @@ eal_long_options[] = { {OPT_LCORES, 1, NULL, OPT_LCORES_NUM }, {OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM }, {OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM }, + {OPT_MBUF_POOL_OPS_NAME, 1, NULL, OPT_MBUF_POOL_OPS_NAME_NUM}, {OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM }, {OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM }, {OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM }, @@ -94,7 +73,6 @@ eal_long_options[] = { {OPT_VDEV, 1, NULL, OPT_VDEV_NUM }, {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM }, {OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM }, - {OPT_XEN_DOM0, 0, NULL, OPT_XEN_DOM0_NUM }, {0, 0, NULL, 0 } }; @@ -116,16 +94,73 @@ TAILQ_HEAD_INITIALIZER(solib_list); static const char *default_solib_dir = RTE_EAL_PMD_PATH; /* - * Stringified version of solib path used by pmdinfo.py + * Stringified version of solib path used by dpdk-pmdinfo.py * Note: PLEASE DO NOT ALTER THIS without making a corresponding - * change to tools/pmdinfo.py + * change to usertools/dpdk-pmdinfo.py */ static const char dpdk_solib_path[] __attribute__((used)) = "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH; +TAILQ_HEAD(device_option_list, device_option); + +struct device_option { + TAILQ_ENTRY(device_option) next; + + enum rte_devtype type; + char arg[]; +}; + +static struct device_option_list devopt_list = +TAILQ_HEAD_INITIALIZER(devopt_list); static int master_lcore_parsed; static int mem_parsed; +static int core_parsed; + +static int +eal_option_device_add(enum rte_devtype type, const char *optarg) +{ + struct device_option *devopt; + size_t optlen; + int ret; + + optlen = strlen(optarg) + 1; + devopt = calloc(1, sizeof(*devopt) + optlen); + if (devopt == NULL) { + RTE_LOG(ERR, EAL, "Unable to allocate device option\n"); + return -ENOMEM; + } + + devopt->type = type; + ret = snprintf(devopt->arg, optlen, "%s", optarg); + if (ret < 0) { + RTE_LOG(ERR, EAL, "Unable to copy device option\n"); + free(devopt); + return -EINVAL; + } + TAILQ_INSERT_TAIL(&devopt_list, devopt, next); + return 0; +} + +int +eal_option_device_parse(void) +{ + struct device_option *devopt; + void *tmp; + int ret = 0; + + TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) { + if (ret == 0) { + ret = rte_eal_devargs_add(devopt->type, devopt->arg); + if (ret) + RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n", + devopt->arg); + } + TAILQ_REMOVE(&devopt_list, devopt, next); + free(devopt); + } + return ret; +} void eal_reset_internal_config(struct internal_config *internal_cfg) @@ -147,14 +182,6 @@ eal_reset_internal_config(struct internal_config *internal_cfg) internal_cfg->base_virtaddr = 0; internal_cfg->syslog_facility = LOG_DAEMON; - /* default value from build option */ -#if RTE_LOG_LEVEL >= RTE_LOG_DEBUG - internal_cfg->log_level = RTE_LOG_INFO; -#else - internal_cfg->log_level = RTE_LOG_LEVEL; -#endif - - internal_cfg->xen_dom0_support = 0; /* if set to NONE, interrupt mode is determined automatically */ internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE; @@ -166,6 +193,7 @@ eal_reset_internal_config(struct internal_config *internal_cfg) #endif internal_cfg->vmware_tsc_map = 0; internal_cfg->create_uio_dev = 0; + internal_cfg->user_mbuf_pool_ops_name = NULL; } static int @@ -225,12 +253,13 @@ int eal_plugins_init(void) { struct shared_driver *solib = NULL; + struct stat sb; - if (*default_solib_dir != '\0') + if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 && + S_ISDIR(sb.st_mode)) eal_plugin_add(default_solib_dir); TAILQ_FOREACH(solib, &solib_list, next) { - struct stat sb; if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) { if (eal_plugindir_init(solib->name) == -1) { @@ -271,6 +300,77 @@ static int xdigit2val(unsigned char c) return val; } +static int +eal_parse_service_coremask(const char *coremask) +{ + struct rte_config *cfg = rte_eal_get_configuration(); + int i, j, idx = 0; + unsigned int 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 = strlen(coremask); + 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) { + /* handle master lcore already parsed */ + uint32_t lcore = idx; + if (master_lcore_parsed && + cfg->master_lcore == lcore) { + RTE_LOG(ERR, EAL, + "Error: lcore %u is master lcore, cannot use as service core\n", + idx); + return -1; + } + + if (!lcore_config[idx].detected) { + RTE_LOG(ERR, EAL, + "lcore %u unavailable\n", idx); + return -1; + } + lcore_config[idx].core_role = ROLE_SERVICE; + count++; + } + } + } + + for (; i >= 0; i--) + if (coremask[i] != '0') + return -1; + + for (; idx < RTE_MAX_LCORE; idx++) + lcore_config[idx].core_index = -1; + + if (count == 0) + return -1; + + cfg->service_lcore_count = count; + return 0; +} + static int eal_parse_coremask(const char *coremask) { @@ -334,6 +434,72 @@ eal_parse_coremask(const char *coremask) return 0; } +static int +eal_parse_service_corelist(const char *corelist) +{ + struct rte_config *cfg = rte_eal_get_configuration(); + int i, idx = 0; + unsigned count = 0; + char *end = NULL; + int min, max; + + if (corelist == NULL) + return -1; + + /* Remove all blank characters ahead and after */ + while (isblank(*corelist)) + corelist++; + i = strlen(corelist); + while ((i > 0) && isblank(corelist[i - 1])) + i--; + + /* Get list of cores */ + min = RTE_MAX_LCORE; + do { + while (isblank(*corelist)) + corelist++; + if (*corelist == '\0') + return -1; + errno = 0; + idx = strtoul(corelist, &end, 10); + if (errno || end == NULL) + return -1; + while (isblank(*end)) + end++; + if (*end == '-') { + min = idx; + } else if ((*end == ',') || (*end == '\0')) { + max = idx; + if (min == RTE_MAX_LCORE) + min = idx; + for (idx = min; idx <= max; idx++) { + if (cfg->lcore_role[idx] != ROLE_SERVICE) { + /* handle master lcore already parsed */ + uint32_t lcore = idx; + if (cfg->master_lcore == lcore && + master_lcore_parsed) { + RTE_LOG(ERR, EAL, + "Error: lcore %u is master lcore, cannot use as service core\n", + idx); + return -1; + } + lcore_config[idx].core_role = + ROLE_SERVICE; + count++; + } + } + min = RTE_MAX_LCORE; + } else + return -1; + corelist = end + 1; + } while (*end != '\0'); + + if (count == 0) + return -1; + + return 0; +} + static int eal_parse_corelist(const char *corelist) { @@ -414,6 +580,13 @@ eal_parse_master_lcore(const char *arg) if (cfg->master_lcore >= RTE_MAX_LCORE) return -1; master_lcore_parsed = 1; + + /* ensure master core is not used as service core */ + if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) { + RTE_LOG(ERR, EAL, "Error: Master lcore is used as a service core.\n"); + return -1; + } + return 0; } @@ -530,6 +703,13 @@ eal_parse_set(const char *input, uint16_t set[], unsigned num) str = end + 1; } while (*end != '\0' && *end != ')'); + /* + * to avoid failure that tail blank makes end character check fail + * in eal_parse_lcores( ) + */ + while (isblank(*str)) + str++; + return str - input; } @@ -578,13 +758,12 @@ eal_parse_lcores(const char *lcores) struct rte_config *cfg = rte_eal_get_configuration(); static uint16_t set[RTE_MAX_LCORE]; unsigned idx = 0; - int i; unsigned count = 0; const char *lcore_start = NULL; const char *end = NULL; int offset; rte_cpuset_t cpuset; - int lflags = 0; + int lflags; int ret = -1; if (lcores == NULL) @@ -593,9 +772,6 @@ eal_parse_lcores(const char *lcores) /* Remove all blank characters ahead and after */ while (isblank(*lcores)) lcores++; - i = strlen(lcores); - while ((i > 0) && isblank(lcores[i - 1])) - i--; CPU_ZERO(&cpuset); @@ -613,6 +789,8 @@ eal_parse_lcores(const char *lcores) if (*lcores == '\0') goto err; + lflags = 0; + /* record lcore_set start point */ lcore_start = lcores; @@ -733,25 +911,49 @@ eal_parse_syslog(const char *facility, struct internal_config *conf) } static int -eal_parse_log_level(const char *level, uint32_t *log_level) +eal_parse_log_level(const char *arg) { - char *end; + char *end, *str, *type, *level; unsigned long tmp; + str = strdup(arg); + if (str == NULL) + return -1; + + if (strchr(str, ',') == NULL) { + type = NULL; + level = str; + } else { + type = strsep(&str, ","); + level = strsep(&str, ","); + } + errno = 0; tmp = strtoul(level, &end, 0); /* check for errors */ if ((errno != 0) || (level[0] == '\0') || - end == NULL || (*end != '\0')) - return -1; + end == NULL || (*end != '\0')) + goto fail; /* log_level is a uint32_t */ if (tmp >= UINT32_MAX) - return -1; + goto fail; + + if (type == NULL) { + rte_log_set_global_level(tmp); + } else if (rte_log_set_level_regexp(type, tmp) < 0) { + printf("cannot set log level %s,%lu\n", + type, tmp); + goto fail; + } - *log_level = tmp; + free(str); return 0; + +fail: + free(str); + return -1; } static enum rte_proc_type_t @@ -771,20 +973,29 @@ int eal_parse_common_option(int opt, const char *optarg, struct internal_config *conf) { + static int b_used; + static int w_used; + switch (opt) { /* blacklist */ case 'b': - if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI, + if (w_used) + goto bw_used; + if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI, optarg) < 0) { return -1; } + b_used = 1; break; /* whitelist */ case 'w': - if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, + if (b_used) + goto bw_used; + if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI, optarg) < 0) { return -1; } + w_used = 1; break; /* coremask */ case 'c': @@ -792,6 +1003,16 @@ eal_parse_common_option(int opt, const char *optarg, RTE_LOG(ERR, EAL, "invalid coremask\n"); return -1; } + + if (core_parsed) { + RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n", + (core_parsed == LCORE_OPT_LST) ? "-l" : + (core_parsed == LCORE_OPT_MAP) ? "--lcore" : + "-c"); + return -1; + } + + core_parsed = LCORE_OPT_MSK; break; /* corelist */ case 'l': @@ -799,6 +1020,30 @@ eal_parse_common_option(int opt, const char *optarg, RTE_LOG(ERR, EAL, "invalid core list\n"); return -1; } + + if (core_parsed) { + RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n", + (core_parsed == LCORE_OPT_MSK) ? "-c" : + (core_parsed == LCORE_OPT_MAP) ? "--lcore" : + "-l"); + return -1; + } + + core_parsed = LCORE_OPT_LST; + break; + /* service coremask */ + case 's': + if (eal_parse_service_coremask(optarg) < 0) { + RTE_LOG(ERR, EAL, "invalid service coremask\n"); + return -1; + } + break; + /* service corelist */ + case 'S': + if (eal_parse_service_corelist(optarg) < 0) { + RTE_LOG(ERR, EAL, "invalid service core list\n"); + return -1; + } break; /* size of memory */ case 'm': @@ -875,7 +1120,7 @@ eal_parse_common_option(int opt, const char *optarg, break; case OPT_VDEV_NUM: - if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL, + if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL, optarg) < 0) { return -1; } @@ -890,15 +1135,12 @@ eal_parse_common_option(int opt, const char *optarg, break; case OPT_LOG_LEVEL_NUM: { - uint32_t log; - - if (eal_parse_log_level(optarg, &log) < 0) { + if (eal_parse_log_level(optarg) < 0) { RTE_LOG(ERR, EAL, "invalid parameters for --" OPT_LOG_LEVEL "\n"); return -1; } - conf->log_level = log; break; } case OPT_LCORES_NUM: @@ -907,6 +1149,16 @@ eal_parse_common_option(int opt, const char *optarg, OPT_LCORES "\n"); return -1; } + + if (core_parsed) { + RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n", + (core_parsed == LCORE_OPT_LST) ? "-l" : + (core_parsed == LCORE_OPT_MSK) ? "-c" : + "--lcore"); + return -1; + } + + core_parsed = LCORE_OPT_MAP; break; /* don't know what to do, leave this to caller */ @@ -916,6 +1168,33 @@ eal_parse_common_option(int opt, const char *optarg, } return 0; +bw_used: + RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) " + "cannot be used at the same time\n"); + return -1; +} + +static void +eal_auto_detect_cores(struct rte_config *cfg) +{ + unsigned int lcore_id; + unsigned int removed = 0; + rte_cpuset_t affinity_set; + pthread_t tid = pthread_self(); + + if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t), + &affinity_set) < 0) + CPU_ZERO(&affinity_set); + + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (cfg->lcore_role[lcore_id] == ROLE_RTE && + !CPU_ISSET(lcore_id, &affinity_set)) { + cfg->lcore_role[lcore_id] = ROLE_OFF; + removed++; + } + } + + cfg->lcore_count -= removed; } int @@ -924,12 +1203,17 @@ eal_adjust_config(struct internal_config *internal_cfg) int i; struct rte_config *cfg = rte_eal_get_configuration(); + if (!core_parsed) + eal_auto_detect_cores(cfg); + if (internal_config.process_type == RTE_PROC_AUTO) internal_config.process_type = eal_proc_type_detect(); /* default master lcore is the first one */ - if (!master_lcore_parsed) + if (!master_lcore_parsed) { cfg->master_lcore = rte_get_next_lcore(-1, 0, 0); + lcore_config[cfg->master_lcore].core_role = ROLE_RTE; + } /* if no memory amounts were requested, this will result in 0 and * will be overridden later, right after eal_hugepage_info_init() */ @@ -975,13 +1259,6 @@ eal_check_common_options(struct internal_config *internal_cfg) 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, "Options blacklist (-b) and whitelist (-w) " - "cannot be used at the same time\n"); - return -1; - } - return 0; } @@ -1002,7 +1279,9 @@ eal_common_usage(void) " ',' is used for single number separator.\n" " '( )' can be omitted for single element group,\n" " '@' can be omitted if cpus and lcores have the same value\n" + " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n" " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n" + " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n" " -n CHANNELS Number of memory channels\n" " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n" " -r RANKS Force number of memory ranks (don't detect)\n" @@ -1016,13 +1295,15 @@ eal_common_usage(void) " [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" + " (ex: --vdev=net_pcap0,iface=eth2).\n" " -d LIB.so|DIR Add a driver or driver directory\n" " (can be used multiple times)\n" " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n" " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n" " --"OPT_SYSLOG" Set syslog facility\n" - " --"OPT_LOG_LEVEL" Set default log level\n" + " --"OPT_LOG_LEVEL"= Set global log level\n" + " --"OPT_LOG_LEVEL"=,\n" + " Set specific log level\n" " -v Display version information on startup\n" " -h, --help This help\n" "\nEAL options for DEBUG use only:\n"