X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_options.c;h=622c7bc4295b40c4a46b1090e3b248dafb87f11b;hb=e863fe3a13da89787fdf3b5c590101a3c0f10af6;hp=7b3341683662dc906c4e2137ac5fb34d21b774c6;hpb=cb056611a8ed9ab9024f3b91bf26e97255194514;p=dpdk.git diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c index 7b33416836..622c7bc429 100644 --- a/lib/librte_eal/common/eal_common_options.c +++ b/lib/librte_eal/common/eal_common_options.c @@ -52,7 +52,8 @@ const char eal_short_options[] = - "b:" /* pci-blacklist */ + "a:" /* allow */ + "b:" /* block */ "c:" /* coremask */ "s:" /* service coremask */ "d:" /* driver */ @@ -63,7 +64,7 @@ eal_short_options[] = "n:" /* memory channels */ "r:" /* memory ranks */ "v" /* version */ - "w:" /* pci-whitelist */ + "w:" /* pci-whitelist (deprecated) */ ; const struct option @@ -89,8 +90,8 @@ eal_long_options[] = { {OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM }, {OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM }, {OPT_IN_MEMORY, 0, NULL, OPT_IN_MEMORY_NUM }, - {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM }, - {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM }, + {OPT_DEV_BLOCK, 1, NULL, OPT_DEV_BLOCK_NUM }, + {OPT_DEV_ALLOW, 1, NULL, OPT_DEV_ALLOW_NUM }, {OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM }, {OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM }, {OPT_SOCKET_LIMIT, 1, NULL, OPT_SOCKET_LIMIT_NUM }, @@ -105,6 +106,11 @@ eal_long_options[] = { {OPT_TELEMETRY, 0, NULL, OPT_TELEMETRY_NUM }, {OPT_NO_TELEMETRY, 0, NULL, OPT_NO_TELEMETRY_NUM }, {OPT_FORCE_MAX_SIMD_BITWIDTH, 1, NULL, OPT_FORCE_MAX_SIMD_BITWIDTH_NUM}, + + /* legacy options that will be removed in future */ + {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM }, + {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM }, + {0, 0, NULL, 0 } }; @@ -396,8 +402,10 @@ eal_plugindir_init(const char *path) struct stat sb; int nlen = strnlen(dent->d_name, sizeof(dent->d_name)); - /* check if name ends in .so */ - if (strcmp(&dent->d_name[nlen - 3], ".so") != 0) + /* check if name ends in .so or .so.ABI_VERSION */ + if (strcmp(&dent->d_name[nlen - 3], ".so") != 0 && + strcmp(&dent->d_name[nlen - 4 - strlen(ABI_VERSION)], + ".so."ABI_VERSION) != 0) continue; snprintf(sopath, sizeof(sopath), "%s/%s", path, dent->d_name); @@ -486,6 +494,39 @@ out: return retval; } +static int +is_shared_build(void) +{ +#define EAL_SO "librte_eal.so" + char soname[32]; + size_t len, minlen = strlen(EAL_SO); + + len = strlcpy(soname, EAL_SO"."ABI_VERSION, sizeof(soname)); + if (len > sizeof(soname)) { + RTE_LOG(ERR, EAL, "Shared lib name too long in shared build check\n"); + len = sizeof(soname) - 1; + } + + while (len >= minlen) { + /* check if we have this .so loaded, if so - shared build */ + RTE_LOG(DEBUG, EAL, "Checking presence of .so '%s'\n", soname); + if (dlopen(soname, RTLD_LAZY | RTLD_NOLOAD) != NULL) { + RTE_LOG(INFO, EAL, "Detected shared linkage of DPDK\n"); + return 1; + } + + /* remove any version numbers off the end to retry */ + while (len-- > 0) + if (soname[len] == '.') { + soname[len] = '\0'; + break; + } + } + + RTE_LOG(INFO, EAL, "Detected static linkage of DPDK\n"); + return 0; +} + int eal_plugins_init(void) { @@ -497,7 +538,7 @@ eal_plugins_init(void) * (Using dlopen with NOLOAD flag on EAL, will return NULL if the EAL * shared library is not already loaded i.e. it's statically linked.) */ - if (dlopen("librte_eal.so", RTLD_LAZY | RTLD_NOLOAD) != NULL && + if (is_shared_build() && *default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 && S_ISDIR(sb.st_mode)) @@ -1448,28 +1489,31 @@ eal_parse_common_option(int opt, const char *optarg, struct internal_config *conf) { static int b_used; - static int w_used; + static int a_used; switch (opt) { - /* blacklist */ + case OPT_PCI_BLACKLIST_NUM: + fprintf(stderr, + "Option --pci-blacklist is deprecated, use -b, --block instead\n"); + /* fallthrough */ case 'b': - if (w_used) - goto bw_used; - if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI, - optarg) < 0) { + if (a_used) + goto ba_conflict; + if (eal_option_device_add(RTE_DEVTYPE_BLOCKED, optarg) < 0) return -1; - } b_used = 1; break; - /* whitelist */ + case 'w': + fprintf(stderr, + "Option -w, --pci-whitelist is deprecated, use -a, --allow option instead\n"); + /* fallthrough */ + case 'a': if (b_used) - goto bw_used; - if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI, - optarg) < 0) { + goto ba_conflict; + if (eal_option_device_add(RTE_DEVTYPE_ALLOWED, optarg) < 0) return -1; - } - w_used = 1; + a_used = 1; break; /* coremask */ case 'c': { @@ -1760,9 +1804,10 @@ 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"); + +ba_conflict: + RTE_LOG(ERR, EAL, + "Options allow (-a) and block (-b) can't be used at the same time\n"); return -1; } @@ -1997,14 +2042,14 @@ eal_common_usage(void) " -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" - " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n" - " Prevent EAL from using this PCI device. The argument\n" - " format is .\n" - " -w, --"OPT_PCI_WHITELIST" 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" + " -b, --block Add a device to the blocked list.\n" + " Prevent EAL from using this device. The argument\n" + " format for PCI devices is .\n" + " -a, --allow Add a device to the allow list.\n" + " Only use the specified devices. The argument format\n" + " for PCI devices is <[domain:]bus:devid.func>.\n" + " This option can be present several times.\n" + " [NOTE: " OPT_DEV_ALLOW " cannot be used with "OPT_DEV_BLOCK" option]\n" " --"OPT_VDEV" Add a virtual device.\n" " The argument format is [,key=val,...]\n" " (ex: --vdev=net_pcap0,iface=eth2).\n"