| File: | .build-ci/../src/fabrics.c |
| Warning: | line 1520, column 12 Potential leak of memory pointed to by 'n' |
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| 1 | // SPDX-License-Identifier: GPL-2.0-only | |||
| 2 | /* | |||
| 3 | * Copyright (C) 2016 Intel Corporation. All rights reserved. | |||
| 4 | * Copyright (c) 2016 HGST, a Western Digital Company. | |||
| 5 | * Copyright (c) 2016 Samsung Electronics Co., Ltd. | |||
| 6 | * | |||
| 7 | * This program is free software; you can redistribute it and/or | |||
| 8 | * modify it under the terms of the GNU General Public License version | |||
| 9 | * 2 as published by the Free Software Foundation. | |||
| 10 | * | |||
| 11 | * This program is distributed in the hope that it will be useful, | |||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
| 14 | * GNU General Public License for more details. | |||
| 15 | * | |||
| 16 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |||
| 17 | * | |||
| 18 | * This file implements the discovery controller feature of NVMe over | |||
| 19 | * Fabrics specification standard. | |||
| 20 | */ | |||
| 21 | ||||
| 22 | #include <errno(*__errno_location ()).h> | |||
| 23 | #include <fcntl.h> | |||
| 24 | #include <inttypes.h> | |||
| 25 | #include <libgen.h> | |||
| 26 | #include <net/if.h> | |||
| 27 | #include <stdbool.h> | |||
| 28 | #include <stddef.h> | |||
| 29 | #include <stdint.h> | |||
| 30 | #include <stdio.h> | |||
| 31 | #include <stdlib.h> | |||
| 32 | #include <sys/stat.h> | |||
| 33 | #include <sys/sysinfo.h> | |||
| 34 | #include <sys/types.h> | |||
| 35 | #include <time.h> | |||
| 36 | #include <unistd.h> | |||
| 37 | ||||
| 38 | #ifdef NVME_HAVE_NETDB | |||
| 39 | #include <arpa/inet.h> | |||
| 40 | #include <netdb.h> | |||
| 41 | #include <sys/socket.h> | |||
| 42 | #endif | |||
| 43 | ||||
| 44 | #ifdef NVME_HAVE_LIBKMOD | |||
| 45 | #include <libkmod.h> | |||
| 46 | #endif | |||
| 47 | ||||
| 48 | #include <libnvme.h> | |||
| 49 | ||||
| 50 | #include <ccan/endian/endian.h> | |||
| 51 | #include <ccan/minmax/minmax.h> | |||
| 52 | #include <ccan/str/str.h> | |||
| 53 | #include <shared/io-util.h> | |||
| 54 | #include <shared/net-util.h> | |||
| 55 | #include <shared/sig-util.h> | |||
| 56 | #include <shared/string-util.h> | |||
| 57 | ||||
| 58 | #include "cleanup.h" | |||
| 59 | #include "config-convert.h" | |||
| 60 | #include "fabrics.h" | |||
| 61 | #include "global-ctx.h" | |||
| 62 | #include "logging.h" | |||
| 63 | #include "nvme-print.h" | |||
| 64 | ||||
| 65 | #define MAX_DISC_ARGS32 32 | |||
| 66 | #define MAX_DISC_RETRIES10 10 | |||
| 67 | ||||
| 68 | #define NVMF_DEF_DISC_TMO30 30 | |||
| 69 | ||||
| 70 | /* Name of file to output log pages in their raw format */ | |||
| 71 | static char *raw; | |||
| 72 | ||||
| 73 | static const char *nvmf_config_file = "Use specified INI configuration file (auto-converts a legacy .json) or 'none' to disable"; | |||
| 74 | static const char *nvmf_persistent = | |||
| 75 | "persistent discovery connection (default: auto; =no disables)"; | |||
| 76 | static const char *nvmf_config_file_ro = "INI configuration file (default: " PATH_NVMF_INI"/usr/local/etc" "/nvme/nvme-fabrics.conf" ")"; | |||
| 77 | ||||
| 78 | /* | |||
| 79 | * The fabrics options, which store into nvmf_tmpl. nvmf_options() binds | |||
| 80 | * them to the struct nvmf_args of a command. | |||
| 81 | */ | |||
| 82 | static struct nvmf_args nvmf_tmpl; | |||
| 83 | ||||
| 84 | static struct argconfig_commandline_options nvmf_template[] = { | |||
| 85 | OPT_STRING("transport", 't', "STR", &nvmf_tmpl.transport,{"transport", 't', "STR", CFG_STRING, _Generic(&nvmf_tmpl .transport, char ** : (&nvmf_tmpl.transport), const char * * : (&nvmf_tmpl.transport)), ARGCONFIG_ARG_REQUIRED, "transport type" , 0, } | |||
| 86 | DESC_NVMF_TPORT){"transport", 't', "STR", CFG_STRING, _Generic(&nvmf_tmpl .transport, char ** : (&nvmf_tmpl.transport), const char * * : (&nvmf_tmpl.transport)), ARGCONFIG_ARG_REQUIRED, "transport type" , 0, }, | |||
| 87 | OPT_STRING("nqn", 'n', "STR", &nvmf_tmpl.subsysnqn,{"nqn", 'n', "STR", CFG_STRING, _Generic(&nvmf_tmpl.subsysnqn , char ** : (&nvmf_tmpl.subsysnqn), const char ** : (& nvmf_tmpl.subsysnqn)), ARGCONFIG_ARG_REQUIRED, "subsystem nqn" , 0, } | |||
| 88 | DESC_NVMF_NQN){"nqn", 'n', "STR", CFG_STRING, _Generic(&nvmf_tmpl.subsysnqn , char ** : (&nvmf_tmpl.subsysnqn), const char ** : (& nvmf_tmpl.subsysnqn)), ARGCONFIG_ARG_REQUIRED, "subsystem nqn" , 0, }, | |||
| 89 | OPT_STRING("traddr", 'a', "STR", &nvmf_tmpl.traddr,{"traddr", 'a', "STR", CFG_STRING, _Generic(&nvmf_tmpl.traddr , char ** : (&nvmf_tmpl.traddr), const char ** : (&nvmf_tmpl .traddr)), ARGCONFIG_ARG_REQUIRED, "transport address", 0, } | |||
| 90 | DESC_NVMF_TRADDR){"traddr", 'a', "STR", CFG_STRING, _Generic(&nvmf_tmpl.traddr , char ** : (&nvmf_tmpl.traddr), const char ** : (&nvmf_tmpl .traddr)), ARGCONFIG_ARG_REQUIRED, "transport address", 0, }, | |||
| 91 | OPT_STRING("trsvcid", 's', "STR", &nvmf_tmpl.trsvcid,{"trsvcid", 's', "STR", CFG_STRING, _Generic(&nvmf_tmpl.trsvcid , char ** : (&nvmf_tmpl.trsvcid), const char ** : (&nvmf_tmpl .trsvcid)), ARGCONFIG_ARG_REQUIRED, "transport service id (e.g. IP port)" , 0, } | |||
| 92 | DESC_NVMF_TRSVCID){"trsvcid", 's', "STR", CFG_STRING, _Generic(&nvmf_tmpl.trsvcid , char ** : (&nvmf_tmpl.trsvcid), const char ** : (&nvmf_tmpl .trsvcid)), ARGCONFIG_ARG_REQUIRED, "transport service id (e.g. IP port)" , 0, }, | |||
| 93 | OPT_STRING("host-traddr", 'w', "STR", &nvmf_tmpl.host_traddr,{"host-traddr", 'w', "STR", CFG_STRING, _Generic(&nvmf_tmpl .host_traddr, char ** : (&nvmf_tmpl.host_traddr), const char ** : (&nvmf_tmpl.host_traddr)), ARGCONFIG_ARG_REQUIRED, "host traddr (e.g. FC WWN's)" , 0, } | |||
| 94 | DESC_NVMF_HTRADDR){"host-traddr", 'w', "STR", CFG_STRING, _Generic(&nvmf_tmpl .host_traddr, char ** : (&nvmf_tmpl.host_traddr), const char ** : (&nvmf_tmpl.host_traddr)), ARGCONFIG_ARG_REQUIRED, "host traddr (e.g. FC WWN's)" , 0, }, | |||
| 95 | OPT_STRING("host-iface", 'f', "STR", &nvmf_tmpl.host_iface,{"host-iface", 'f', "STR", CFG_STRING, _Generic(&nvmf_tmpl .host_iface, char ** : (&nvmf_tmpl.host_iface), const char ** : (&nvmf_tmpl.host_iface)), ARGCONFIG_ARG_REQUIRED, "host interface (for tcp transport)" , 0, } | |||
| 96 | DESC_NVMF_HIFACE){"host-iface", 'f', "STR", CFG_STRING, _Generic(&nvmf_tmpl .host_iface, char ** : (&nvmf_tmpl.host_iface), const char ** : (&nvmf_tmpl.host_iface)), ARGCONFIG_ARG_REQUIRED, "host interface (for tcp transport)" , 0, }, | |||
| 97 | OPT_STRING("hostnqn", 'q', "STR", &nvmf_tmpl.hostnqn,{"hostnqn", 'q', "STR", CFG_STRING, _Generic(&nvmf_tmpl.hostnqn , char ** : (&nvmf_tmpl.hostnqn), const char ** : (&nvmf_tmpl .hostnqn)), ARGCONFIG_ARG_REQUIRED, "user-defined hostnqn", 0 , } | |||
| 98 | DESC_NVMF_HOSTNQN){"hostnqn", 'q', "STR", CFG_STRING, _Generic(&nvmf_tmpl.hostnqn , char ** : (&nvmf_tmpl.hostnqn), const char ** : (&nvmf_tmpl .hostnqn)), ARGCONFIG_ARG_REQUIRED, "user-defined hostnqn", 0 , }, | |||
| 99 | OPT_STRING("hostid", 'I', "STR", &nvmf_tmpl.hostid,{"hostid", 'I', "STR", CFG_STRING, _Generic(&nvmf_tmpl.hostid , char ** : (&nvmf_tmpl.hostid), const char ** : (&nvmf_tmpl .hostid)), ARGCONFIG_ARG_REQUIRED, "user-defined hostid (if default not used)" , 0, } | |||
| 100 | DESC_NVMF_HOSTID){"hostid", 'I', "STR", CFG_STRING, _Generic(&nvmf_tmpl.hostid , char ** : (&nvmf_tmpl.hostid), const char ** : (&nvmf_tmpl .hostid)), ARGCONFIG_ARG_REQUIRED, "user-defined hostid (if default not used)" , 0, }, | |||
| 101 | OPT_STRING("kxchap-secret", 'S', "STR", &nvmf_tmpl.hostkey,{"kxchap-secret", 'S', "STR", CFG_STRING, _Generic(&nvmf_tmpl .hostkey, char ** : (&nvmf_tmpl.hostkey), const char ** : (&nvmf_tmpl.hostkey)), ARGCONFIG_ARG_REQUIRED, "user-defined kxchap secret (if default not used)" , 0, .old_name = "dhchap-secret"} | |||
| 102 | DESC_NVMF_HOSTKEY, .old_name = "dhchap-secret"){"kxchap-secret", 'S', "STR", CFG_STRING, _Generic(&nvmf_tmpl .hostkey, char ** : (&nvmf_tmpl.hostkey), const char ** : (&nvmf_tmpl.hostkey)), ARGCONFIG_ARG_REQUIRED, "user-defined kxchap secret (if default not used)" , 0, .old_name = "dhchap-secret"}, | |||
| 103 | OPT_STRING("kxchap-ctrl-secret", 'C', "STR", &nvmf_tmpl.ctrlkey,{"kxchap-ctrl-secret", 'C', "STR", CFG_STRING, _Generic(& nvmf_tmpl.ctrlkey, char ** : (&nvmf_tmpl.ctrlkey), const char ** : (&nvmf_tmpl.ctrlkey)), ARGCONFIG_ARG_REQUIRED, "user-defined kxchap controller secret (for bi-directional authentication)" , 0, .old_name = "dhchap-ctrl-secret"} | |||
| 104 | DESC_NVMF_CTRLKEY, .old_name = "dhchap-ctrl-secret"){"kxchap-ctrl-secret", 'C', "STR", CFG_STRING, _Generic(& nvmf_tmpl.ctrlkey, char ** : (&nvmf_tmpl.ctrlkey), const char ** : (&nvmf_tmpl.ctrlkey)), ARGCONFIG_ARG_REQUIRED, "user-defined kxchap controller secret (for bi-directional authentication)" , 0, .old_name = "dhchap-ctrl-secret"}, | |||
| 105 | OPT_STRING("keyring", 0, "STR", &nvmf_tmpl.keyring,{"keyring", 0, "STR", CFG_STRING, _Generic(&nvmf_tmpl.keyring , char ** : (&nvmf_tmpl.keyring), const char ** : (&nvmf_tmpl .keyring)), ARGCONFIG_ARG_REQUIRED, "Keyring for TLS key lookup (key id or keyring name)" , 0, } | |||
| 106 | DESC_NVMF_KEYRING){"keyring", 0, "STR", CFG_STRING, _Generic(&nvmf_tmpl.keyring , char ** : (&nvmf_tmpl.keyring), const char ** : (&nvmf_tmpl .keyring)), ARGCONFIG_ARG_REQUIRED, "Keyring for TLS key lookup (key id or keyring name)" , 0, }, | |||
| 107 | OPT_STRING("tls-key", 0, "STR", &nvmf_tmpl.tls_key,{"tls-key", 0, "STR", CFG_STRING, _Generic(&nvmf_tmpl.tls_key , char ** : (&nvmf_tmpl.tls_key), const char ** : (&nvmf_tmpl .tls_key)), ARGCONFIG_ARG_REQUIRED, "TLS key to use (key id or key in interchange format)" , 0, } | |||
| 108 | DESC_NVMF_TLS_KEY){"tls-key", 0, "STR", CFG_STRING, _Generic(&nvmf_tmpl.tls_key , char ** : (&nvmf_tmpl.tls_key), const char ** : (&nvmf_tmpl .tls_key)), ARGCONFIG_ARG_REQUIRED, "TLS key to use (key id or key in interchange format)" , 0, }, | |||
| 109 | OPT_STRING("tls-key-identity", 0, "STR", &nvmf_tmpl.tls_key_identity,{"tls-key-identity", 0, "STR", CFG_STRING, _Generic(&nvmf_tmpl .tls_key_identity, char ** : (&nvmf_tmpl.tls_key_identity ), const char ** : (&nvmf_tmpl.tls_key_identity)), ARGCONFIG_ARG_REQUIRED , "TLS key identity", 0, } | |||
| 110 | DESC_NVMF_TLS_KEY_IDENTITY){"tls-key-identity", 0, "STR", CFG_STRING, _Generic(&nvmf_tmpl .tls_key_identity, char ** : (&nvmf_tmpl.tls_key_identity ), const char ** : (&nvmf_tmpl.tls_key_identity)), ARGCONFIG_ARG_REQUIRED , "TLS key identity", 0, }, | |||
| 111 | OPT_INT("nr-io-queues", 'i', &nvmf_tmpl.nr_io_queues,{"nr-io-queues", 'i', "NUM", CFG_INT, _Generic(&nvmf_tmpl .nr_io_queues, int * : (&nvmf_tmpl.nr_io_queues)), ARGCONFIG_ARG_REQUIRED , "number of io queues to use (default is core count)", 0, } | |||
| 112 | DESC_NVMF_NR_IO_QUEUES){"nr-io-queues", 'i', "NUM", CFG_INT, _Generic(&nvmf_tmpl .nr_io_queues, int * : (&nvmf_tmpl.nr_io_queues)), ARGCONFIG_ARG_REQUIRED , "number of io queues to use (default is core count)", 0, }, | |||
| 113 | OPT_INT("nr-write-queues", 'W', &nvmf_tmpl.nr_write_queues,{"nr-write-queues", 'W', "NUM", CFG_INT, _Generic(&nvmf_tmpl .nr_write_queues, int * : (&nvmf_tmpl.nr_write_queues)), ARGCONFIG_ARG_REQUIRED , "number of write queues to use (default 0)", 0, } | |||
| 114 | DESC_NVMF_NR_WRITE_QUEUES){"nr-write-queues", 'W', "NUM", CFG_INT, _Generic(&nvmf_tmpl .nr_write_queues, int * : (&nvmf_tmpl.nr_write_queues)), ARGCONFIG_ARG_REQUIRED , "number of write queues to use (default 0)", 0, }, | |||
| 115 | OPT_INT("nr-poll-queues", 'P', &nvmf_tmpl.nr_poll_queues,{"nr-poll-queues", 'P', "NUM", CFG_INT, _Generic(&nvmf_tmpl .nr_poll_queues, int * : (&nvmf_tmpl.nr_poll_queues)), ARGCONFIG_ARG_REQUIRED , "number of poll queues to use (default 0)", 0, } | |||
| 116 | DESC_NVMF_NR_POLL_QUEUES){"nr-poll-queues", 'P', "NUM", CFG_INT, _Generic(&nvmf_tmpl .nr_poll_queues, int * : (&nvmf_tmpl.nr_poll_queues)), ARGCONFIG_ARG_REQUIRED , "number of poll queues to use (default 0)", 0, }, | |||
| 117 | OPT_INT("queue-size", 'Q', &nvmf_tmpl.queue_size,{"queue-size", 'Q', "NUM", CFG_INT, _Generic(&nvmf_tmpl.queue_size , int * : (&nvmf_tmpl.queue_size)), ARGCONFIG_ARG_REQUIRED , "number of io queue elements to use (default 128)", 0, } | |||
| 118 | DESC_NVMF_QUEUE_SIZE){"queue-size", 'Q', "NUM", CFG_INT, _Generic(&nvmf_tmpl.queue_size , int * : (&nvmf_tmpl.queue_size)), ARGCONFIG_ARG_REQUIRED , "number of io queue elements to use (default 128)", 0, }, | |||
| 119 | OPT_INT("keep-alive-tmo", 'k', &nvmf_tmpl.keep_alive_tmo,{"keep-alive-tmo", 'k', "NUM", CFG_INT, _Generic(&nvmf_tmpl .keep_alive_tmo, int * : (&nvmf_tmpl.keep_alive_tmo)), ARGCONFIG_ARG_REQUIRED , "keep alive timeout period in seconds", 0, } | |||
| 120 | DESC_NVMF_KEEP_ALIVE_TMO){"keep-alive-tmo", 'k', "NUM", CFG_INT, _Generic(&nvmf_tmpl .keep_alive_tmo, int * : (&nvmf_tmpl.keep_alive_tmo)), ARGCONFIG_ARG_REQUIRED , "keep alive timeout period in seconds", 0, }, | |||
| 121 | OPT_INT("reconnect-delay", 'c', &nvmf_tmpl.reconnect_delay,{"reconnect-delay", 'c', "NUM", CFG_INT, _Generic(&nvmf_tmpl .reconnect_delay, int * : (&nvmf_tmpl.reconnect_delay)), ARGCONFIG_ARG_REQUIRED , "reconnect timeout period in seconds", 0, } | |||
| 122 | DESC_NVMF_RECONNECT_DELAY){"reconnect-delay", 'c', "NUM", CFG_INT, _Generic(&nvmf_tmpl .reconnect_delay, int * : (&nvmf_tmpl.reconnect_delay)), ARGCONFIG_ARG_REQUIRED , "reconnect timeout period in seconds", 0, }, | |||
| 123 | OPT_INT("ctrl-loss-tmo", 'l', &nvmf_tmpl.ctrl_loss_tmo,{"ctrl-loss-tmo", 'l', "NUM", CFG_INT, _Generic(&nvmf_tmpl .ctrl_loss_tmo, int * : (&nvmf_tmpl.ctrl_loss_tmo)), ARGCONFIG_ARG_REQUIRED , "controller loss timeout period in seconds", 0, } | |||
| 124 | DESC_NVMF_CTRL_LOSS_TMO){"ctrl-loss-tmo", 'l', "NUM", CFG_INT, _Generic(&nvmf_tmpl .ctrl_loss_tmo, int * : (&nvmf_tmpl.ctrl_loss_tmo)), ARGCONFIG_ARG_REQUIRED , "controller loss timeout period in seconds", 0, }, | |||
| 125 | OPT_INT("fast-io-fail-tmo", 'F', &nvmf_tmpl.fast_io_fail_tmo,{"fast-io-fail-tmo", 'F', "NUM", CFG_INT, _Generic(&nvmf_tmpl .fast_io_fail_tmo, int * : (&nvmf_tmpl.fast_io_fail_tmo)) , ARGCONFIG_ARG_REQUIRED, "fast I/O fail timeout (default off)" , 0, .old_name = "fast_io_fail_tmo"} | |||
| 126 | DESC_NVMF_FAST_IO_FAIL_TMO, .old_name = "fast_io_fail_tmo"){"fast-io-fail-tmo", 'F', "NUM", CFG_INT, _Generic(&nvmf_tmpl .fast_io_fail_tmo, int * : (&nvmf_tmpl.fast_io_fail_tmo)) , ARGCONFIG_ARG_REQUIRED, "fast I/O fail timeout (default off)" , 0, .old_name = "fast_io_fail_tmo"}, | |||
| 127 | OPT_INT("tos", 'T', &nvmf_tmpl.tos,{"tos", 'T', "NUM", CFG_INT, _Generic(&nvmf_tmpl.tos, int * : (&nvmf_tmpl.tos)), ARGCONFIG_ARG_REQUIRED, "type of service" , 0, } | |||
| 128 | DESC_NVMF_TOS){"tos", 'T', "NUM", CFG_INT, _Generic(&nvmf_tmpl.tos, int * : (&nvmf_tmpl.tos)), ARGCONFIG_ARG_REQUIRED, "type of service" , 0, }, | |||
| 129 | OPT_INT("tls_key", 0, &nvmf_tmpl.tls_key_id,{"tls_key", 0, "NUM", CFG_INT, _Generic(&nvmf_tmpl.tls_key_id , int * : (&nvmf_tmpl.tls_key_id)), ARGCONFIG_ARG_REQUIRED , "TLS key to use (key id)", 0, } | |||
| 130 | DESC_NVMF_TLS_KEY_LEGACY){"tls_key", 0, "NUM", CFG_INT, _Generic(&nvmf_tmpl.tls_key_id , int * : (&nvmf_tmpl.tls_key_id)), ARGCONFIG_ARG_REQUIRED , "TLS key to use (key id)", 0, }, | |||
| 131 | OPT_FLAG("duplicate-connect", 'D', &nvmf_tmpl.duplicate_connect,{"duplicate-connect", 'D', ((void*)0), CFG_FLAG, _Generic(& nvmf_tmpl.duplicate_connect, _Bool * : (&nvmf_tmpl.duplicate_connect )), ARGCONFIG_ARG_NONE, "allow duplicate connections between same transport host and subsystem port" , 0, } | |||
| 132 | DESC_NVMF_DUP_CONNECT){"duplicate-connect", 'D', ((void*)0), CFG_FLAG, _Generic(& nvmf_tmpl.duplicate_connect, _Bool * : (&nvmf_tmpl.duplicate_connect )), ARGCONFIG_ARG_NONE, "allow duplicate connections between same transport host and subsystem port" , 0, }, | |||
| 133 | OPT_FLAG("disable-sqflow", 0, &nvmf_tmpl.disable_sqflow,{"disable-sqflow", 0, ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl .disable_sqflow, _Bool * : (&nvmf_tmpl.disable_sqflow)), ARGCONFIG_ARG_NONE , "disable controller sq flow control (default false)", 0, } | |||
| 134 | DESC_NVMF_DISABLE_SQFLOW){"disable-sqflow", 0, ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl .disable_sqflow, _Bool * : (&nvmf_tmpl.disable_sqflow)), ARGCONFIG_ARG_NONE , "disable controller sq flow control (default false)", 0, }, | |||
| 135 | OPT_FLAG("hdr-digest", 'g', &nvmf_tmpl.hdr_digest,{"hdr-digest", 'g', ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl .hdr_digest, _Bool * : (&nvmf_tmpl.hdr_digest)), ARGCONFIG_ARG_NONE , "enable transport protocol header digest (TCP transport)", 0 , } | |||
| 136 | DESC_NVMF_HDR_DIGEST){"hdr-digest", 'g', ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl .hdr_digest, _Bool * : (&nvmf_tmpl.hdr_digest)), ARGCONFIG_ARG_NONE , "enable transport protocol header digest (TCP transport)", 0 , }, | |||
| 137 | OPT_FLAG("data-digest", 'G', &nvmf_tmpl.data_digest,{"data-digest", 'G', ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl .data_digest, _Bool * : (&nvmf_tmpl.data_digest)), ARGCONFIG_ARG_NONE , "enable transport protocol data digest (TCP transport)", 0, } | |||
| 138 | DESC_NVMF_DATA_DIGEST){"data-digest", 'G', ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl .data_digest, _Bool * : (&nvmf_tmpl.data_digest)), ARGCONFIG_ARG_NONE , "enable transport protocol data digest (TCP transport)", 0, }, | |||
| 139 | OPT_FLAG("tls", 0, &nvmf_tmpl.tls,{"tls", 0, ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl.tls, _Bool * : (&nvmf_tmpl.tls)), ARGCONFIG_ARG_NONE, "enable TLS" , 0, } | |||
| 140 | DESC_NVMF_TLS){"tls", 0, ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl.tls, _Bool * : (&nvmf_tmpl.tls)), ARGCONFIG_ARG_NONE, "enable TLS" , 0, }, | |||
| 141 | OPT_FLAG("concat", 0, &nvmf_tmpl.concat,{"concat", 0, ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl.concat , _Bool * : (&nvmf_tmpl.concat)), ARGCONFIG_ARG_NONE, "enable secure concatenation" , 0, } | |||
| 142 | DESC_NVMF_CONCAT){"concat", 0, ((void*)0), CFG_FLAG, _Generic(&nvmf_tmpl.concat , _Bool * : (&nvmf_tmpl.concat)), ARGCONFIG_ARG_NONE, "enable secure concatenation" , 0, }, | |||
| 143 | OPT_END(){ ((void*)0) } | |||
| 144 | }; | |||
| 145 | ||||
| 146 | struct nvmf_args nvmf_args_defaults(void) | |||
| 147 | { | |||
| 148 | return (struct nvmf_args) { | |||
| 149 | .tos = -1, | |||
| 150 | .ctrl_loss_tmo = NVMF_DEF_CTRL_LOSS_TMO600, | |||
| 151 | }; | |||
| 152 | } | |||
| 153 | ||||
| 154 | struct argconfig_commandline_options *nvmf_options(struct nvmf_args *fa) | |||
| 155 | { | |||
| 156 | return argconfig_bind(nvmf_template, &nvmf_tmpl, sizeof(nvmf_tmpl), | |||
| 157 | fa); | |||
| 158 | } | |||
| 159 | ||||
| 160 | void nvmf_args_to_params(struct libnvmf_params *params, | |||
| 161 | const struct nvmf_args *fa) | |||
| 162 | { | |||
| 163 | char buf[32]; | |||
| 164 | ||||
| 165 | if (fa->nr_io_queues) { | |||
| 166 | snprintf(buf, sizeof(buf), "%d", fa->nr_io_queues); | |||
| 167 | libnvmf_params_set(params, "nr-io-queues", buf); | |||
| 168 | } | |||
| 169 | if (fa->nr_write_queues) { | |||
| 170 | snprintf(buf, sizeof(buf), "%d", fa->nr_write_queues); | |||
| 171 | libnvmf_params_set(params, "nr-write-queues", buf); | |||
| 172 | } | |||
| 173 | if (fa->nr_poll_queues) { | |||
| 174 | snprintf(buf, sizeof(buf), "%d", fa->nr_poll_queues); | |||
| 175 | libnvmf_params_set(params, "nr-poll-queues", buf); | |||
| 176 | } | |||
| 177 | if (fa->queue_size) { | |||
| 178 | snprintf(buf, sizeof(buf), "%d", fa->queue_size); | |||
| 179 | libnvmf_params_set(params, "queue-size", buf); | |||
| 180 | } | |||
| 181 | if (fa->keep_alive_tmo) { | |||
| 182 | snprintf(buf, sizeof(buf), "%d", fa->keep_alive_tmo); | |||
| 183 | libnvmf_params_set(params, "keep-alive-tmo", buf); | |||
| 184 | } | |||
| 185 | if (fa->reconnect_delay) { | |||
| 186 | snprintf(buf, sizeof(buf), "%d", fa->reconnect_delay); | |||
| 187 | libnvmf_params_set(params, "reconnect-delay", buf); | |||
| 188 | } | |||
| 189 | if (fa->ctrl_loss_tmo != NVMF_DEF_CTRL_LOSS_TMO600) { | |||
| 190 | snprintf(buf, sizeof(buf), "%d", fa->ctrl_loss_tmo); | |||
| 191 | libnvmf_params_set(params, "ctrl-loss-tmo", buf); | |||
| 192 | } | |||
| 193 | if (fa->fast_io_fail_tmo) { | |||
| 194 | snprintf(buf, sizeof(buf), "%d", fa->fast_io_fail_tmo); | |||
| 195 | libnvmf_params_set(params, "fast-io-fail-tmo", buf); | |||
| 196 | } | |||
| 197 | if (fa->tos != -1) { | |||
| 198 | snprintf(buf, sizeof(buf), "%d", fa->tos); | |||
| 199 | libnvmf_params_set(params, "tos", buf); | |||
| 200 | } | |||
| 201 | if (fa->duplicate_connect) | |||
| 202 | libnvmf_params_set(params, "duplicate-connect", "true"); | |||
| 203 | if (fa->disable_sqflow) | |||
| 204 | libnvmf_params_set(params, "disable-sqflow", "true"); | |||
| 205 | if (fa->hdr_digest) | |||
| 206 | libnvmf_params_set(params, "hdr-digest", "true"); | |||
| 207 | if (fa->data_digest) | |||
| 208 | libnvmf_params_set(params, "data-digest", "true"); | |||
| 209 | if (fa->tls) | |||
| 210 | libnvmf_params_set(params, "tls", "true"); | |||
| 211 | if (fa->concat) | |||
| 212 | libnvmf_params_set(params, "concat", "true"); | |||
| 213 | if (fa->hostkey) | |||
| 214 | libnvmf_params_set(params, "kxchap-secret", fa->hostkey); | |||
| 215 | if (fa->ctrlkey) | |||
| 216 | libnvmf_params_set(params, "kxchap-ctrl-secret", fa->ctrlkey); | |||
| 217 | if (fa->keyring) | |||
| 218 | libnvmf_params_set(params, "keyring", fa->keyring); | |||
| 219 | if (fa->tls_key) | |||
| 220 | libnvmf_params_set(params, "tls-key", fa->tls_key); | |||
| 221 | if (fa->tls_key_identity) | |||
| 222 | libnvmf_params_set(params, "tls-key-identity", | |||
| 223 | fa->tls_key_identity); | |||
| 224 | } | |||
| 225 | ||||
| 226 | static void save_discovery_log(char *raw, const struct nvmf_discovery_log *log) | |||
| 227 | { | |||
| 228 | __cleanup_free__attribute__((cleanup(shr_freep))) char *path = NULL((void*)0); | |||
| 229 | static unsigned int save_count; | |||
| 230 | int fd, ret; | |||
| 231 | uint64_t numrec; | |||
| 232 | size_t len; | |||
| 233 | ||||
| 234 | if (save_count) { | |||
| 235 | if (asprintf(&path, "%s.%u", raw, save_count) < 0) { | |||
| 236 | nvme_show_error("failed to allocate path for %s", raw)nvme_show_message(1, "failed to allocate path for %s", raw); | |||
| 237 | return; | |||
| 238 | } | |||
| 239 | } else { | |||
| 240 | path = strdup(raw); | |||
| 241 | if (!path) { | |||
| 242 | nvme_show_error("failed to allocate path for %s", raw)nvme_show_message(1, "failed to allocate path for %s", raw); | |||
| 243 | return; | |||
| 244 | } | |||
| 245 | } | |||
| 246 | ||||
| 247 | fd = open(path, O_CREAT0100 | O_RDWR02 | O_TRUNC01000, 0600); | |||
| 248 | if (fd < 0) { | |||
| 249 | nvme_show_error("failed to open %s: %s",nvme_show_message(1, "failed to open %s: %s", path, libnvme_strerror ((*__errno_location ()))) | |||
| 250 | path, libnvme_strerror(errno))nvme_show_message(1, "failed to open %s: %s", path, libnvme_strerror ((*__errno_location ()))); | |||
| 251 | return; | |||
| 252 | } | |||
| 253 | ||||
| 254 | numrec = le64_to_cpu(log->numrec); | |||
| 255 | len = sizeof(struct nvmf_discovery_log) + | |||
| 256 | numrec * sizeof(struct nvmf_disc_log_entry); | |||
| 257 | ||||
| 258 | ret = shr_write_all(fd, log, len); | |||
| 259 | if (ret < 0) | |||
| 260 | nvme_show_error("failed to write to %s: %s",nvme_show_message(1, "failed to write to %s: %s", path, libnvme_strerror (-ret)) | |||
| 261 | path, libnvme_strerror(-ret))nvme_show_message(1, "failed to write to %s: %s", path, libnvme_strerror (-ret)); | |||
| 262 | else | |||
| 263 | nvme_show_verbose_info("Discovery log is saved to %s", path)nvme_show_verbose_message("Discovery log is saved to %s", path ); | |||
| 264 | ||||
| 265 | close(fd); | |||
| 266 | ||||
| 267 | save_count++; | |||
| 268 | } | |||
| 269 | ||||
| 270 | static int setup_common_context(struct libnvmf_context *fctx, | |||
| 271 | struct nvmf_args *fa); | |||
| 272 | ||||
| 273 | struct hook_fabrics_data { | |||
| 274 | nvme_print_flags_t flags; | |||
| 275 | char *raw; | |||
| 276 | }; | |||
| 277 | ||||
| 278 | static bool_Bool hook_decide_retry(struct libnvmf_context *fctx, int err, | |||
| 279 | void *user_data) | |||
| 280 | { | |||
| 281 | if (err == -EAGAIN11 || (err == -EINTR4 && !shr_sigint_received)) { | |||
| 282 | print_debug("libnvmf_add_ctrl returned '%s'\n", libnvme_strerror(-err))do { if (is_printable_at_level(LIBNVME_LOG_DEBUG)) printf("libnvmf_add_ctrl returned '%s'\n" , libnvme_strerror(-err)); } while (0); | |||
| 283 | return true1; | |||
| 284 | } | |||
| 285 | ||||
| 286 | return false0; | |||
| 287 | } | |||
| 288 | ||||
| 289 | static void hook_connected(struct libnvmf_context *fctx, | |||
| 290 | struct libnvme_ctrl *c, void *user_data) | |||
| 291 | { | |||
| 292 | struct hook_fabrics_data *hfd = user_data; | |||
| 293 | ||||
| 294 | if (hfd->flags == NORMAL) { | |||
| 295 | nvme_show_verbose_info("connecting to device: %s", libnvme_ctrl_get_name(c))nvme_show_verbose_message("connecting to device: %s", libnvme_ctrl_get_name (c)); | |||
| 296 | return; | |||
| 297 | } | |||
| 298 | ||||
| 299 | #ifdef CONFIG_JSONC | |||
| 300 | if (hfd->flags == JSON) { | |||
| 301 | struct json_object *root; | |||
| 302 | ||||
| 303 | root = json_create_object()json_object_new_object(); | |||
| 304 | ||||
| 305 | json_object_add_value_string(root, "device", | |||
| 306 | libnvme_ctrl_get_name(c)); | |||
| 307 | ||||
| 308 | json_print_object(root, NULL)printf("%s", json_object_to_json_string_ext(root, (1 << 1) | (1 << 4))); | |||
| 309 | printf("\n"); | |||
| 310 | json_free_object(root)json_object_put(root); | |||
| 311 | } | |||
| 312 | #endif | |||
| 313 | } | |||
| 314 | ||||
| 315 | static void hook_already_connected(struct libnvmf_context *fctx, | |||
| 316 | struct libnvme_host *host, const char *subsysnqn, | |||
| 317 | const char *transport, const char *traddr, | |||
| 318 | const char *trsvcid, void *user_data) | |||
| 319 | { | |||
| 320 | /* | |||
| 321 | * Already-connected is reported through the exit code alone; this is | |||
| 322 | * just extra detail for --verbose, not a message a script should | |||
| 323 | * have to filter out of normal output. | |||
| 324 | */ | |||
| 325 | nvme_show_verbose_info(nvme_show_verbose_message("already connected to hostnqn=%s,nqn=%s,transport=%s,traddr=%s,trsvcid=%s" , libnvme_host_get_hostnqn(host), subsysnqn, transport, traddr , trsvcid) | |||
| 326 | "already connected to hostnqn=%s,nqn=%s,transport=%s,traddr=%s,trsvcid=%s",nvme_show_verbose_message("already connected to hostnqn=%s,nqn=%s,transport=%s,traddr=%s,trsvcid=%s" , libnvme_host_get_hostnqn(host), subsysnqn, transport, traddr , trsvcid) | |||
| 327 | libnvme_host_get_hostnqn(host), subsysnqn,nvme_show_verbose_message("already connected to hostnqn=%s,nqn=%s,transport=%s,traddr=%s,trsvcid=%s" , libnvme_host_get_hostnqn(host), subsysnqn, transport, traddr , trsvcid) | |||
| 328 | transport, traddr, trsvcid)nvme_show_verbose_message("already connected to hostnqn=%s,nqn=%s,transport=%s,traddr=%s,trsvcid=%s" , libnvme_host_get_hostnqn(host), subsysnqn, transport, traddr , trsvcid); | |||
| 329 | } | |||
| 330 | ||||
| 331 | static void hook_discovery_log(struct libnvmf_context *fctx, | |||
| 332 | const struct nvmf_discovery_log *log, | |||
| 333 | uint64_t numrec, void *user_data) | |||
| 334 | { | |||
| 335 | struct hook_fabrics_data *hfd = user_data; | |||
| 336 | ||||
| 337 | if (hfd->raw) | |||
| 338 | save_discovery_log(hfd->raw, log); | |||
| 339 | else if (!libnvmf_context_get_connect(fctx)) | |||
| 340 | nvme_show_discovery_log(log, numrec, hfd->flags); | |||
| 341 | } | |||
| 342 | ||||
| 343 | /* | |||
| 344 | * Resolve *addr in place if it names a tcp/rdma hostname; left untouched for | |||
| 345 | * any other transport, a NULL/"none" address, or one that is already | |||
| 346 | * numeric. Resolution is the caller's job, not libnvme's -- this is where | |||
| 347 | * that happens. | |||
| 348 | * | |||
| 349 | * Deliberately crude and sequential: one blocking getaddrinfo() call at a | |||
| 350 | * time, no threads. nvme-cli is a one-shot tool, so multiple discovery.conf | |||
| 351 | * lines simply resolve one after another. | |||
| 352 | */ | |||
| 353 | /* | |||
| 354 | * Resolve @addr to a canonical (numeric) address when @transport is tcp or | |||
| 355 | * rdma and @addr is a hostname; otherwise just copy it through unchanged. | |||
| 356 | * | |||
| 357 | * On success (0), *resolved always holds a fresh, caller-owned copy of the | |||
| 358 | * address to use from then on -- NULL only if @addr itself was NULL. The | |||
| 359 | * caller never needs to compare it against @addr to work out whether | |||
| 360 | * resolution actually happened: *resolved is always safe to free (e.g. | |||
| 361 | * __cleanup_free) once this returns 0. | |||
| 362 | */ | |||
| 363 | static int nvmf_resolve_addr(const char *transport, const char *addr, char **resolved) | |||
| 364 | { | |||
| 365 | *resolved = NULL((void*)0); | |||
| 366 | ||||
| 367 | if (!addr) | |||
| 368 | return 0; | |||
| 369 | ||||
| 370 | if (!transport || (strcmp(transport, "tcp") && strcmp(transport, "rdma")) || | |||
| 371 | !strcmp(addr, "none") || libnvmf_traddr_is_numeric(addr)) | |||
| 372 | goto copy_through; | |||
| 373 | ||||
| 374 | #ifdef NVME_HAVE_NETDB | |||
| 375 | { | |||
| 376 | struct addrinfo hints = { .ai_family = AF_UNSPEC0 }; | |||
| 377 | struct addrinfo *host_info = NULL((void*)0); | |||
| 378 | char addrstr[NVMF_TRADDR_SIZE]; | |||
| 379 | const char *p = NULL((void*)0); | |||
| 380 | int ret; | |||
| 381 | ||||
| 382 | ret = getaddrinfo(addr, NULL((void*)0), &hints, &host_info); | |||
| 383 | if (ret) { | |||
| 384 | nvme_show_error("failed to resolve host '%s': %s",nvme_show_message(1, "failed to resolve host '%s': %s", addr, gai_strerror(ret)) | |||
| 385 | addr, gai_strerror(ret))nvme_show_message(1, "failed to resolve host '%s': %s", addr, gai_strerror(ret)); | |||
| 386 | return -EINVAL22; | |||
| 387 | } | |||
| 388 | ||||
| 389 | switch (host_info->ai_family) { | |||
| 390 | case AF_INET2: | |||
| 391 | p = inet_ntop(host_info->ai_family, | |||
| 392 | &(((struct sockaddr_in *)host_info->ai_addr)->sin_addr), | |||
| 393 | addrstr, NVMF_TRADDR_SIZE); | |||
| 394 | break; | |||
| 395 | case AF_INET610: | |||
| 396 | p = inet_ntop(host_info->ai_family, | |||
| 397 | &(((struct sockaddr_in6 *) | |||
| 398 | host_info->ai_addr)->sin6_addr), | |||
| 399 | addrstr, NVMF_TRADDR_SIZE); | |||
| 400 | break; | |||
| 401 | default: | |||
| 402 | break; | |||
| 403 | } | |||
| 404 | ||||
| 405 | if (!p) { | |||
| 406 | nvme_show_error(nvme_show_message(1, "failed to resolve host '%s': unrecognized address family" , addr) | |||
| 407 | "failed to resolve host '%s': unrecognized address family",nvme_show_message(1, "failed to resolve host '%s': unrecognized address family" , addr) | |||
| 408 | addr)nvme_show_message(1, "failed to resolve host '%s': unrecognized address family" , addr); | |||
| 409 | freeaddrinfo(host_info); | |||
| 410 | return -EINVAL22; | |||
| 411 | } | |||
| 412 | ||||
| 413 | freeaddrinfo(host_info); | |||
| 414 | ||||
| 415 | *resolved = strdup(addrstr); | |||
| 416 | return *resolved ? 0 : -ENOMEM12; | |||
| 417 | } | |||
| 418 | #else /* NVME_HAVE_NETDB */ | |||
| 419 | nvme_show_error(nvme_show_message(1, "hostname resolution is not available in this build; use a numeric address" ) | |||
| 420 | "hostname resolution is not available in this build; use a numeric address")nvme_show_message(1, "hostname resolution is not available in this build; use a numeric address" ); | |||
| 421 | return -ENOTSUP95; | |||
| 422 | #endif /* NVME_HAVE_NETDB */ | |||
| 423 | ||||
| 424 | copy_through: | |||
| 425 | *resolved = strdup(addr); | |||
| 426 | return *resolved ? 0 : -ENOMEM12; | |||
| 427 | } | |||
| 428 | ||||
| 429 | static int set_fabrics_options(struct libnvmf_context *fctx, | |||
| 430 | struct nvmf_args *fa) | |||
| 431 | { | |||
| 432 | libnvmf_context_set_io_queues(fctx, fa->nr_io_queues, | |||
| 433 | fa->nr_write_queues, fa->nr_poll_queues, | |||
| 434 | fa->queue_size, fa->disable_sqflow); | |||
| 435 | libnvmf_context_set_reconnect_policy(fctx, fa->ctrl_loss_tmo, | |||
| 436 | fa->reconnect_delay, fa->fast_io_fail_tmo); | |||
| 437 | libnvmf_context_set_keep_alive_tmo(fctx, fa->keep_alive_tmo); | |||
| 438 | libnvmf_context_set_tos(fctx, fa->tos); | |||
| 439 | libnvmf_context_set_keyring_id(fctx, fa->keyring_id); | |||
| 440 | libnvmf_context_set_tls_key_id(fctx, fa->tls_key_id); | |||
| 441 | libnvmf_context_set_tls_configured_key_id(fctx, | |||
| 442 | fa->tls_configured_key_id); | |||
| 443 | libnvmf_context_set_duplicate_connect(fctx, fa->duplicate_connect); | |||
| 444 | libnvmf_context_set_hdr_digest(fctx, fa->hdr_digest); | |||
| 445 | libnvmf_context_set_data_digest(fctx, fa->data_digest); | |||
| 446 | libnvmf_context_set_tls(fctx, fa->tls); | |||
| 447 | libnvmf_context_set_concat(fctx, fa->concat); | |||
| 448 | ||||
| 449 | return 0; | |||
| 450 | } | |||
| 451 | ||||
| 452 | enum consume_mode { | |||
| 453 | /* connect-all/discover: DC entries discover; IOC entries connect, | |||
| 454 | * but only for connect-all. | |||
| 455 | */ | |||
| 456 | CONSUME_ROLE_BASED, | |||
| 457 | /* nvme connect -J: every entry connects directly, no discovery. */ | |||
| 458 | CONSUME_CONNECT_ONLY, | |||
| 459 | }; | |||
| 460 | ||||
| 461 | struct consume_state { | |||
| 462 | struct libnvme_global_ctx *ctx; | |||
| 463 | const struct libnvmf_config *cfg; | |||
| 464 | enum consume_mode mode; | |||
| 465 | bool_Bool connect; | |||
| 466 | bool_Bool no_reuse; | |||
| 467 | nvme_print_flags_t flags; | |||
| 468 | char *raw; | |||
| 469 | const char *hostnqn; | |||
| 470 | const char *hostid; | |||
| 471 | int err; | |||
| 472 | }; | |||
| 473 | ||||
| 474 | /* | |||
| 475 | * Resolve traddr (if it's a hostname), settle host identity (falling back | |||
| 476 | * to @default_hostnqn/@default_hostid when @conn's own persona doesn't set | |||
| 477 | * one), then build the TID -- which doubles as validator/sanitizer: | |||
| 478 | * rejects a non-numeric traddr or host_traddr on tcp/rdma, canonicalizes a | |||
| 479 | * numeric one. | |||
| 480 | */ | |||
| 481 | static int build_conn_tid(const struct libnvmf_config_conn *conn, | |||
| 482 | const char *default_hostnqn, const char *default_hostid, | |||
| 483 | struct libnvmf_tid **tid) | |||
| 484 | { | |||
| 485 | const char *transport, *hostnqn, *hostid; | |||
| 486 | __cleanup_free__attribute__((cleanup(shr_freep))) char *traddr = NULL((void*)0); | |||
| 487 | int err; | |||
| 488 | ||||
| 489 | transport = libnvmf_config_conn_get_transport(conn); | |||
| 490 | ||||
| 491 | /* Only traddr (remote target) may be a hostname (not host_traddr) */ | |||
| 492 | err = nvmf_resolve_addr(transport, libnvmf_config_conn_get_traddr(conn), &traddr); | |||
| 493 | if (err) | |||
| 494 | return err; | |||
| 495 | ||||
| 496 | hostnqn = libnvmf_config_conn_get_hostnqn(conn); | |||
| 497 | if (!hostnqn) | |||
| 498 | hostnqn = default_hostnqn; | |||
| 499 | hostid = libnvmf_config_conn_get_hostid(conn); | |||
| 500 | if (!hostid) | |||
| 501 | hostid = default_hostid; | |||
| 502 | ||||
| 503 | return libnvmf_tid_from_fields(transport, traddr, | |||
| 504 | libnvmf_config_conn_get_trsvcid(conn), | |||
| 505 | libnvmf_config_conn_get_subsysnqn(conn), | |||
| 506 | libnvmf_config_conn_get_host_traddr(conn), | |||
| 507 | libnvmf_config_conn_get_host_iface(conn), | |||
| 508 | hostnqn, hostid, tid); | |||
| 509 | } | |||
| 510 | ||||
| 511 | /* | |||
| 512 | * Return the number of I/O queues on success. Return 0 if the number | |||
| 513 | * cannot be determined or the NIC has only one hardware queue, in | |||
| 514 | * which case the host should determine the number of I/O queues. | |||
| 515 | */ | |||
| 516 | static int fabrics_connect_nr_io_queues(const char *transport, | |||
| 517 | const char *traddr, | |||
| 518 | const char *host_traddr, | |||
| 519 | const char *host_iface) | |||
| 520 | { | |||
| 521 | uint32_t combined_count, tx_count, rx_count; | |||
| 522 | char ifname[IF_NAMESIZE16] = {}; | |||
| 523 | int nr_cpus, nr_hw_queues = 0; | |||
| 524 | ||||
| 525 | if (!transport || strcmp(transport, "tcp")) | |||
| 526 | return 0; | |||
| 527 | ||||
| 528 | nr_cpus = get_nprocs(); | |||
| 529 | if (nr_cpus <= 0) | |||
| 530 | return 0; | |||
| 531 | ||||
| 532 | if (host_iface && host_iface[0]) { | |||
| 533 | strncpy(ifname, host_iface, IF_NAMESIZE16 - 1); | |||
| 534 | } else { | |||
| 535 | if (shr_route_get_egress_iface(host_traddr, traddr, | |||
| 536 | ifname, IF_NAMESIZE16)) | |||
| 537 | return 0; | |||
| 538 | } | |||
| 539 | ||||
| 540 | if (shr_netdev_get_hw_queues(ifname, &combined_count, | |||
| 541 | &tx_count, &rx_count)) | |||
| 542 | return 0; | |||
| 543 | ||||
| 544 | nr_hw_queues = combined_count + min(tx_count, rx_count)({ typeof(tx_count) _a = (tx_count); typeof(rx_count) _b = (rx_count ); do { } while (0); _a < _b ? _a : _b; }); | |||
| 545 | ||||
| 546 | if (nr_hw_queues <= 1) | |||
| 547 | return 0; | |||
| 548 | ||||
| 549 | return min(nr_cpus, nr_hw_queues)({ typeof(nr_cpus) _a = (nr_cpus); typeof(nr_hw_queues) _b = ( nr_hw_queues); do { } while (0); _a < _b ? _a : _b; }); | |||
| 550 | } | |||
| 551 | ||||
| 552 | /* libnvmf_config_conn_for_each() callback: settle addressing/identity, | |||
| 553 | * check exclusion, then discover or connect. | |||
| 554 | */ | |||
| 555 | static void consume_conn(const struct libnvmf_config_conn *conn, | |||
| 556 | void *user_data) | |||
| 557 | { | |||
| 558 | struct consume_state *st = user_data; | |||
| 559 | bool_Bool is_dc = libnvmf_config_conn_is_dc(conn); | |||
| 560 | struct hook_fabrics_data hfd = { .flags = st->flags, .raw = st->raw }; | |||
| 561 | __cleanup_nvmf_context__attribute__((cleanup(cleanup_nvmf_context))) struct libnvmf_context *fctx = NULL((void*)0); | |||
| 562 | __cleanup_nvmf_tid__attribute__((cleanup(cleanup_nvmf_tid))) struct libnvmf_tid *tid = NULL((void*)0); | |||
| 563 | const struct libnvmf_params *params; | |||
| 564 | const char *key = "nr-io-queues"; | |||
| 565 | int err; | |||
| 566 | ||||
| 567 | if (st->mode == CONSUME_ROLE_BASED && !is_dc && !st->connect) | |||
| 568 | return; | |||
| 569 | ||||
| 570 | err = build_conn_tid(conn, st->hostnqn, st->hostid, &tid); | |||
| 571 | if (err) | |||
| 572 | goto record_err; | |||
| 573 | ||||
| 574 | /* Auto-connect (both modes) enforces exclusion, unlike a single | |||
| 575 | * explicit "nvme connect" (see fabrics_connect()'s exempt-with-note | |||
| 576 | * case). | |||
| 577 | */ | |||
| 578 | if (libnvmf_exclusion_match(st->ctx, tid)) { | |||
| 579 | nvme_show_verbose_info("%s: on the exclusion list, skipping",nvme_show_verbose_message("%s: on the exclusion list, skipping" , libnvmf_config_conn_get_source(conn)) | |||
| 580 | libnvmf_config_conn_get_source(conn))nvme_show_verbose_message("%s: on the exclusion list, skipping" , libnvmf_config_conn_get_source(conn)); | |||
| 581 | return; | |||
| 582 | } | |||
| 583 | ||||
| 584 | err = libnvmf_context_create(st->ctx, hook_decide_retry, hook_connected, | |||
| 585 | hook_already_connected, &hfd, &fctx); | |||
| 586 | if (err) | |||
| 587 | goto record_err; | |||
| 588 | ||||
| 589 | err = libnvmf_context_set_connection_from_tid(fctx, tid); | |||
| 590 | if (err) | |||
| 591 | goto record_err; | |||
| 592 | ||||
| 593 | params = libnvmf_config_conn_get_params(conn); | |||
| 594 | if (!libnvmf_params_get(params, key)) { | |||
| 595 | int nr_io_queues; | |||
| 596 | ||||
| 597 | nr_io_queues = fabrics_connect_nr_io_queues( | |||
| 598 | libnvmf_tid_get_transport(tid), | |||
| 599 | libnvmf_tid_get_traddr(tid), | |||
| 600 | libnvmf_tid_get_host_traddr(tid), | |||
| 601 | libnvmf_tid_get_host_iface(tid)); | |||
| 602 | ||||
| 603 | if (nr_io_queues > 0) | |||
| 604 | libnvmf_context_set_nr_io_queues(fctx, nr_io_queues); | |||
| 605 | } | |||
| 606 | ||||
| 607 | err = libnvmf_context_apply_params(fctx, params); | |||
| 608 | if (err) | |||
| 609 | goto record_err; | |||
| 610 | ||||
| 611 | if (st->mode == CONSUME_CONNECT_ONLY) { | |||
| 612 | err = libnvmf_connect(st->ctx, fctx); | |||
| 613 | } else if (is_dc) { | |||
| 614 | libnvmf_context_set_discovery_hooks(fctx, hook_discovery_log); | |||
| 615 | libnvmf_context_set_default_max_discovery_retries(fctx, | |||
| 616 | MAX_DISC_RETRIES10); | |||
| 617 | libnvmf_context_set_default_keep_alive_timeout(fctx, | |||
| 618 | NVMF_DEF_DISC_TMO30); | |||
| 619 | libnvmf_context_set_connect(fctx, st->connect); | |||
| 620 | libnvmf_context_set_no_reuse(fctx, st->no_reuse); | |||
| 621 | libnvmf_context_set_config(fctx, st->cfg, conn); | |||
| 622 | err = libnvmf_discover(st->ctx, fctx); | |||
| 623 | } else { | |||
| 624 | err = libnvmf_connect(st->ctx, fctx); | |||
| 625 | } | |||
| 626 | if (err == -ENVME_CONNECT_ALREADY || err == -ENVME_CONNECT_DRY_RUN) | |||
| 627 | err = 0; | |||
| 628 | ||||
| 629 | record_err: | |||
| 630 | if (err) { | |||
| 631 | nvme_show_error("%s: %s", libnvmf_config_conn_get_source(conn),nvme_show_message(1, "%s: %s", libnvmf_config_conn_get_source (conn), libnvme_strerror(-err)) | |||
| 632 | libnvme_strerror(-err))nvme_show_message(1, "%s: %s", libnvmf_config_conn_get_source (conn), libnvme_strerror(-err)); | |||
| 633 | if (!st->err) | |||
| 634 | st->err = err; | |||
| 635 | } | |||
| 636 | } | |||
| 637 | ||||
| 638 | const char *nvmf_resolve_persistent_arg(bool_Bool given, const char *arg) | |||
| 639 | { | |||
| 640 | if (!given) | |||
| 641 | return "auto"; | |||
| 642 | ||||
| 643 | return arg ? arg : "auto"; | |||
| 644 | } | |||
| 645 | ||||
| 646 | /* | |||
| 647 | * Parse one discovery.conf line -- the same argv-style syntax 'nvme | |||
| 648 | * discover'/'connect-all' accept, reusing nvmf_options() so every short | |||
| 649 | * and long form works identically to real usage -- and hand the parsed | |||
| 650 | * arguments to nvme_config_convert_discovery_args(). @line is modified in | |||
| 651 | * place (shr_strsep()). | |||
| 652 | * | |||
| 653 | * A blank line, a comment, or one with neither transport nor traddr is | |||
| 654 | * silently skipped (0, nothing added), tolerating a discovery.conf that | |||
| 655 | * mixes real entries with commentary. | |||
| 656 | */ | |||
| 657 | int nvmf_convert_discovery_line(struct libnvmf_config_emitter *emitter, | |||
| 658 | char *line) | |||
| 659 | { | |||
| 660 | struct nvmf_args fa = nvmf_args_defaults(); | |||
| 661 | __cleanup_free__attribute__((cleanup(shr_freep))) struct argconfig_commandline_options *nvmf = | |||
| 662 | nvmf_options(&fa); | |||
| 663 | char *argv[MAX_DISC_ARGS32] = { "discovery.conf" }; | |||
| 664 | char *ptr, *p = line; | |||
| 665 | int argc = 1; | |||
| 666 | bool_Bool no_reuse = false0; | |||
| 667 | char *persistent_arg = NULL((void*)0); | |||
| 668 | ||||
| 669 | OPT_ARGS(opts)struct argconfig_commandline_options opts[] = { | |||
| 670 | OPT_INCLUDE(nvmf, "Fabrics options"){"", 0, ((void*)0), CFG_INCLUDE, nvmf, ARGCONFIG_ARG_NONE, "Fabrics options" , 0, ((void*)0)}, | |||
| 671 | OPT_STRING_OPTIONAL("persistent", 'p', "no|auto|force",{"persistent", 'p', "no|auto|force", CFG_STRING, _Generic(& persistent_arg, char ** : (&persistent_arg), const char * * : (&persistent_arg)), ARGCONFIG_ARG_OPTIONAL, nvmf_persistent , 0, } | |||
| 672 | &persistent_arg, nvmf_persistent){"persistent", 'p', "no|auto|force", CFG_STRING, _Generic(& persistent_arg, char ** : (&persistent_arg), const char * * : (&persistent_arg)), ARGCONFIG_ARG_OPTIONAL, nvmf_persistent , 0, }, | |||
| 673 | OPT_FLAG("no-reuse", 0, &no_reuse,{"no-reuse", 0, ((void*)0), CFG_FLAG, _Generic(&no_reuse, _Bool * : (&no_reuse)), ARGCONFIG_ARG_NONE, "always create a new connection, never reuse an existing one" , 0, .old_name = "force"} | |||
| 674 | "always create a new connection, never reuse an existing one",{"no-reuse", 0, ((void*)0), CFG_FLAG, _Generic(&no_reuse, _Bool * : (&no_reuse)), ARGCONFIG_ARG_NONE, "always create a new connection, never reuse an existing one" , 0, .old_name = "force"} | |||
| 675 | .old_name = "force"){"no-reuse", 0, ((void*)0), CFG_FLAG, _Generic(&no_reuse, _Bool * : (&no_reuse)), ARGCONFIG_ARG_NONE, "always create a new connection, never reuse an existing one" , 0, .old_name = "force"}, | |||
| 676 | OPT_END(){ ((void*)0) } | |||
| 677 | }; | |||
| 678 | ||||
| 679 | if (line[0] == '#' || line[0] == '\n' || line[0] == '\0') | |||
| 680 | return 0; | |||
| 681 | ||||
| 682 | if (!nvmf) | |||
| 683 | return -ENOMEM12; | |||
| 684 | ||||
| 685 | /* | |||
| 686 | * Split on whitespace only, not '=' -- a glued "--opt=value" token | |||
| 687 | * (e.g. "--persistent=force") must reach argconfig_parse() intact. | |||
| 688 | * getopt_long() parses '=' within a single token natively for | |||
| 689 | * every option shape, so splitting it out here is never required. | |||
| 690 | */ | |||
| 691 | while ((ptr = shr_strsep(&p, "\n ")) != NULL((void*)0) && | |||
| 692 | argc < MAX_DISC_ARGS32 - 1) | |||
| 693 | argv[argc++] = ptr; | |||
| 694 | argv[argc] = NULL((void*)0); | |||
| 695 | ||||
| 696 | fa.subsysnqn = NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery"; | |||
| 697 | if (argconfig_parse(argc, argv, "discovery.conf", opts)) | |||
| 698 | return 0; | |||
| 699 | ||||
| 700 | if (!fa.transport && !fa.traddr) | |||
| 701 | return 0; | |||
| 702 | ||||
| 703 | return nvme_config_convert_discovery_args(emitter, &fa, | |||
| 704 | nvmf_resolve_persistent_arg( | |||
| 705 | argconfig_given(opts, &persistent_arg), | |||
| 706 | persistent_arg)); | |||
| 707 | } | |||
| 708 | ||||
| 709 | static int setup_common_context(struct libnvmf_context *fctx, | |||
| 710 | struct nvmf_args *fa) | |||
| 711 | { | |||
| 712 | int err; | |||
| 713 | ||||
| 714 | err = libnvmf_context_set_connection(fctx, | |||
| 715 | fa->subsysnqn, fa->transport, | |||
| 716 | fa->traddr, fa->trsvcid, | |||
| 717 | fa->host_traddr, fa->host_iface); | |||
| 718 | if (err) | |||
| 719 | return err; | |||
| 720 | ||||
| 721 | err = libnvmf_context_set_hostnqn(fctx, | |||
| 722 | fa->hostnqn, fa->hostid); | |||
| 723 | if (err) | |||
| 724 | return err; | |||
| 725 | ||||
| 726 | err = libnvmf_context_set_crypto(fctx, | |||
| 727 | fa->hostkey, fa->ctrlkey, | |||
| 728 | fa->keyring, fa->tls_key, | |||
| 729 | fa->tls_key_identity); | |||
| 730 | if (err) | |||
| 731 | return err; | |||
| 732 | ||||
| 733 | return set_fabrics_options(fctx, fa); | |||
| 734 | } | |||
| 735 | ||||
| 736 | static int create_common_context(struct libnvme_global_ctx *ctx, struct nvmf_args *fa, | |||
| 737 | void *user_data, struct libnvmf_context **fctxp) | |||
| 738 | { | |||
| 739 | struct libnvmf_context *fctx; | |||
| 740 | int err; | |||
| 741 | ||||
| 742 | err = libnvmf_context_create(ctx, hook_decide_retry, hook_connected, | |||
| 743 | hook_already_connected, user_data, &fctx); | |||
| 744 | if (err) | |||
| 745 | return err; | |||
| 746 | ||||
| 747 | err = setup_common_context(fctx, fa); | |||
| 748 | if (err) | |||
| 749 | goto err; | |||
| 750 | ||||
| 751 | *fctxp = fctx; | |||
| 752 | ||||
| 753 | return 0; | |||
| 754 | ||||
| 755 | err: | |||
| 756 | libnvmf_context_free(fctx); | |||
| 757 | return err; | |||
| 758 | } | |||
| 759 | ||||
| 760 | static int create_discovery_context(struct libnvme_global_ctx *ctx, | |||
| 761 | const char *device, struct nvmf_args *fa, | |||
| 762 | void *user_data, struct libnvmf_context **fctxp) | |||
| 763 | { | |||
| 764 | struct libnvmf_context *fctx; | |||
| 765 | int err; | |||
| 766 | ||||
| 767 | err = create_common_context(ctx, fa, user_data, &fctx); | |||
| 768 | if (err) | |||
| 769 | return err; | |||
| 770 | ||||
| 771 | err = libnvmf_context_set_discovery_hooks(fctx, hook_discovery_log); | |||
| 772 | if (err) | |||
| 773 | goto err; | |||
| 774 | ||||
| 775 | libnvmf_context_set_default_max_discovery_retries(fctx, | |||
| 776 | MAX_DISC_RETRIES10); | |||
| 777 | libnvmf_context_set_default_keep_alive_timeout(fctx, NVMF_DEF_DISC_TMO30); | |||
| 778 | ||||
| 779 | err = libnvmf_context_set_device(fctx, device); | |||
| 780 | if (err) | |||
| 781 | goto err; | |||
| 782 | ||||
| 783 | *fctxp = fctx; | |||
| 784 | return 0; | |||
| 785 | ||||
| 786 | err: | |||
| 787 | libnvmf_context_free(fctx); | |||
| 788 | return err; | |||
| 789 | } | |||
| 790 | ||||
| 791 | static void load_nvme_fabrics_module(void) | |||
| 792 | { | |||
| 793 | #ifdef NVME_HAVE_LIBKMOD | |||
| 794 | struct kmod_ctx *ctx; | |||
| 795 | struct kmod_module *mod; | |||
| 796 | int err, state; | |||
| 797 | int timeout = 20; /* 2 seconds */ | |||
| 798 | ||||
| 799 | ctx = kmod_new(NULL((void*)0), NULL((void*)0)); | |||
| 800 | if (!ctx) | |||
| 801 | return; | |||
| 802 | ||||
| 803 | err = kmod_module_new_from_name(ctx, "nvme-fabrics", &mod); | |||
| 804 | if (err) | |||
| 805 | goto unref; | |||
| 806 | ||||
| 807 | state = kmod_module_get_initstate(mod); | |||
| 808 | if (state != KMOD_MODULE_LIVE && state != KMOD_MODULE_BUILTIN) { | |||
| 809 | err = kmod_module_probe_insert_module(mod, | |||
| 810 | KMOD_PROBE_APPLY_BLACKLIST, NULL((void*)0), NULL((void*)0), NULL((void*)0), NULL((void*)0)); | |||
| 811 | if (err) | |||
| 812 | goto mod_unref; | |||
| 813 | ||||
| 814 | while (timeout--) { | |||
| 815 | state = kmod_module_get_initstate(mod); | |||
| 816 | if (state == KMOD_MODULE_LIVE) | |||
| 817 | goto mod_unref; | |||
| 818 | ||||
| 819 | /* 100 ms */ | |||
| 820 | usleep(100 * 1000); | |||
| 821 | } | |||
| 822 | err = -ENOENT2; | |||
| 823 | } | |||
| 824 | ||||
| 825 | mod_unref: | |||
| 826 | kmod_module_unref(mod); | |||
| 827 | unref: | |||
| 828 | kmod_unref(ctx); | |||
| 829 | ||||
| 830 | if (err) | |||
| 831 | nvme_show_error("Couldn't load the nvme-fabrics module")nvme_show_message(1, "Couldn't load the nvme-fabrics module"); | |||
| 832 | #endif | |||
| 833 | } | |||
| 834 | ||||
| 835 | /* | |||
| 836 | * The config-driven half of a bare "connect-all"/"discover": auto-convert | |||
| 837 | * a legacy file if needed, settle host identity once, then discover or | |||
| 838 | * connect every resolved connection in @config_file. | |||
| 839 | */ | |||
| 840 | static int fabrics_discovery_config(struct libnvme_global_ctx *ctx, | |||
| 841 | char *config_file, const char *hostnqn_arg, | |||
| 842 | const char *hostid_arg, bool_Bool connect, bool_Bool no_reuse, | |||
| 843 | nvme_print_flags_t flags) | |||
| 844 | { | |||
| 845 | __cleanup_free__attribute__((cleanup(shr_freep))) char *ini_path = NULL((void*)0); | |||
| 846 | __cleanup_free__attribute__((cleanup(shr_freep))) char *hostnqn = NULL((void*)0); | |||
| 847 | __cleanup_free__attribute__((cleanup(shr_freep))) char *hostid = NULL((void*)0); | |||
| 848 | struct libnvmf_config *cfg; | |||
| 849 | struct consume_state st; | |||
| 850 | bool_Bool is_default_config; | |||
| 851 | int ret; | |||
| 852 | ||||
| 853 | /* Custom --config failing is fatal (explicit ask). Default path | |||
| 854 | * failing isn't: boot-time connect-all must keep going. | |||
| 855 | */ | |||
| 856 | is_default_config = !strcmp(config_file, PATH_NVMF_INI"/usr/local/etc" "/nvme/nvme-fabrics.conf"); | |||
| 857 | ||||
| 858 | ret = nvme_config_convert_auto(ctx, config_file, &ini_path); | |||
| 859 | if (ret) { | |||
| 860 | nvme_show_error("auto-conversion failed: %s",nvme_show_message(1, "auto-conversion failed: %s", libnvme_strerror (-ret)) | |||
| 861 | libnvme_strerror(-ret))nvme_show_message(1, "auto-conversion failed: %s", libnvme_strerror (-ret)); | |||
| 862 | if (!is_default_config) | |||
| 863 | return ret; | |||
| 864 | } | |||
| 865 | config_file = ini_path; | |||
| 866 | ||||
| 867 | ret = libnvmf_host_get_ids(ctx, hostnqn_arg, hostid_arg, | |||
| 868 | &hostnqn, &hostid); | |||
| 869 | if (ret) { | |||
| 870 | nvme_show_error("failed to determine host identity: %s",nvme_show_message(1, "failed to determine host identity: %s", libnvme_strerror(-ret)) | |||
| 871 | libnvme_strerror(-ret))nvme_show_message(1, "failed to determine host identity: %s", libnvme_strerror(-ret)); | |||
| 872 | return ret; | |||
| 873 | } | |||
| 874 | ||||
| 875 | ret = libnvmf_config_read(ctx, config_file, &cfg); | |||
| 876 | if (ret) { | |||
| 877 | nvme_show_error("failed to read %s: %s", config_file,nvme_show_message(1, "failed to read %s: %s", config_file, libnvme_strerror (-ret)) | |||
| 878 | libnvme_strerror(-ret))nvme_show_message(1, "failed to read %s: %s", config_file, libnvme_strerror (-ret)); | |||
| 879 | return ret; | |||
| 880 | } | |||
| 881 | ||||
| 882 | st = (struct consume_state){ | |||
| 883 | .ctx = ctx, | |||
| 884 | .cfg = cfg, | |||
| 885 | .mode = CONSUME_ROLE_BASED, | |||
| 886 | .connect = connect, | |||
| 887 | .no_reuse = no_reuse, | |||
| 888 | .flags = flags, | |||
| 889 | .raw = raw, | |||
| 890 | .hostnqn = hostnqn, | |||
| 891 | .hostid = hostid, | |||
| 892 | }; | |||
| 893 | libnvmf_config_conn_for_each(cfg, consume_conn, &st); | |||
| 894 | libnvmf_config_free(cfg); | |||
| 895 | ||||
| 896 | return st.err; | |||
| 897 | } | |||
| 898 | ||||
| 899 | #define NBFT_SYSFS_PATH"/sys/firmware/acpi/tables" "/sys/firmware/acpi/tables" | |||
| 900 | ||||
| 901 | /* | |||
| 902 | * A controller's ownership extends to everything done through it, so the | |||
| 903 | * caller's operation may not proceed unless the invoking owner matches | |||
| 904 | * (mirrors disconnect_all_match()'s registry check). A controller with | |||
| 905 | * no owner proceeds for any caller. A controller with an owner is | |||
| 906 | * skipped unless --owner names that owner; a missing --owner does not | |||
| 907 | * match. | |||
| 908 | * | |||
| 909 | * --no-reuse skips the check entirely: it means the caller will never | |||
| 910 | * reuse an existing controller, so there is nothing to check ownership | |||
| 911 | * against. | |||
| 912 | * | |||
| 913 | * Returns 0 to proceed, 1 to skip, or a negative errno on a registry | |||
| 914 | * read failure. | |||
| 915 | */ | |||
| 916 | static int check_ctrl_owner(struct libnvme_global_ctx *ctx, | |||
| 917 | struct libnvmf_context *fctx, | |||
| 918 | const char *owner, bool_Bool no_reuse) | |||
| 919 | { | |||
| 920 | __cleanup_free__attribute__((cleanup(shr_freep))) char *reg_owner = NULL((void*)0); | |||
| 921 | int ret; | |||
| 922 | ||||
| 923 | if (no_reuse) | |||
| 924 | return 0; | |||
| 925 | ||||
| 926 | ret = libnvmf_get_owner_from_fctx(ctx, fctx, ®_owner); | |||
| 927 | if (ret) | |||
| 928 | return ret; | |||
| 929 | if (!reg_owner) /* no owner in registry */ | |||
| 930 | return 0; | |||
| 931 | ||||
| 932 | if (owner && streq(reg_owner, owner)(strcmp((reg_owner),(owner)) == 0)) | |||
| 933 | return 0; | |||
| 934 | ||||
| 935 | nvme_show_message(false0, | |||
| 936 | "owned by '%s'; skipping -- owner handles discovery", | |||
| 937 | reg_owner); | |||
| 938 | return 1; | |||
| 939 | } | |||
| 940 | ||||
| 941 | int fabrics_discover(const char *desc, int argc, char **argv, bool_Bool connect) | |||
| 942 | { | |||
| 943 | __cleanup_free__attribute__((cleanup(shr_freep))) char *hnqn = NULL((void*)0); | |||
| 944 | __cleanup_free__attribute__((cleanup(shr_freep))) char *hid = NULL((void*)0); | |||
| 945 | char *config_file = PATH_NVMF_INI"/usr/local/etc" "/nvme/nvme-fabrics.conf"; | |||
| 946 | nvme_print_flags_t flags; | |||
| 947 | __cleanup_nvme_global_ctx__attribute__((cleanup(cleanup_nvme_global_ctx))) struct libnvme_global_ctx *ctx = NULL((void*)0); | |||
| 948 | __cleanup_nvmf_context__attribute__((cleanup(cleanup_nvmf_context))) struct libnvmf_context *fctx = NULL((void*)0); | |||
| 949 | __cleanup_free__attribute__((cleanup(shr_freep))) char *resolved_traddr = NULL((void*)0); | |||
| 950 | int ret; | |||
| 951 | struct nvmf_args fa = nvmf_args_defaults(); | |||
| 952 | __cleanup_free__attribute__((cleanup(shr_freep))) struct argconfig_commandline_options *nvmf = | |||
| 953 | nvmf_options(&fa); | |||
| 954 | char *device = NULL((void*)0); | |||
| 955 | bool_Bool no_reuse = false0; | |||
| 956 | char *persistent_arg = NULL((void*)0); | |||
| 957 | const char *persistent; | |||
| 958 | bool_Bool nbft = false0, nonbft = false0; | |||
| 959 | char *nbft_path = NBFT_SYSFS_PATH"/sys/firmware/acpi/tables"; | |||
| 960 | char *owner = NULL((void*)0); | |||
| 961 | ||||
| 962 | OPT_ARGS(opts)struct argconfig_commandline_options opts[] = { | |||
| 963 | OPT_INCLUDE(nvmf, "Fabrics options"){"", 0, ((void*)0), CFG_INCLUDE, nvmf, ARGCONFIG_ARG_NONE, "Fabrics options" , 0, ((void*)0)}, | |||
| 964 | OPT_STRING("device", 'd', "DEV", &device,{"device", 'd', "DEV", CFG_STRING, _Generic(&device, char ** : (&device), const char ** : (&device)), ARGCONFIG_ARG_REQUIRED , "use existing discovery controller device", 0, } | |||
| 965 | "use existing discovery controller device"){"device", 'd', "DEV", CFG_STRING, _Generic(&device, char ** : (&device), const char ** : (&device)), ARGCONFIG_ARG_REQUIRED , "use existing discovery controller device", 0, }, | |||
| 966 | OPT_FILE("raw", 'r', &raw, "save raw output to file"){"raw", 'r', "FILE", CFG_FILE, _Generic(&raw, char ** : ( &raw), const char ** : (&raw)), ARGCONFIG_ARG_REQUIRED , "save raw output to file", 0, }, | |||
| 967 | OPT_STRING_OPTIONAL("persistent", 'p', "no|auto|force",{"persistent", 'p', "no|auto|force", CFG_STRING, _Generic(& persistent_arg, char ** : (&persistent_arg), const char * * : (&persistent_arg)), ARGCONFIG_ARG_OPTIONAL, nvmf_persistent , 0, } | |||
| 968 | &persistent_arg, nvmf_persistent){"persistent", 'p', "no|auto|force", CFG_STRING, _Generic(& persistent_arg, char ** : (&persistent_arg), const char * * : (&persistent_arg)), ARGCONFIG_ARG_OPTIONAL, nvmf_persistent , 0, }, | |||
| 969 | OPT_FILE("config", 'J', &config_file, nvmf_config_file){"config", 'J', "FILE", CFG_FILE, _Generic(&config_file, char ** : (&config_file), const char ** : (&config_file)) , ARGCONFIG_ARG_REQUIRED, nvmf_config_file, 0, }, | |||
| 970 | OPT_FLAG("no-reuse", 0, &no_reuse,{"no-reuse", 0, ((void*)0), CFG_FLAG, _Generic(&no_reuse, _Bool * : (&no_reuse)), ARGCONFIG_ARG_NONE, "always create a new connection, never reuse an existing one" , 0, .old_name = "force"} | |||
| 971 | "always create a new connection, never reuse an existing one",{"no-reuse", 0, ((void*)0), CFG_FLAG, _Generic(&no_reuse, _Bool * : (&no_reuse)), ARGCONFIG_ARG_NONE, "always create a new connection, never reuse an existing one" , 0, .old_name = "force"} | |||
| 972 | .old_name = "force"){"no-reuse", 0, ((void*)0), CFG_FLAG, _Generic(&no_reuse, _Bool * : (&no_reuse)), ARGCONFIG_ARG_NONE, "always create a new connection, never reuse an existing one" , 0, .old_name = "force"}, | |||
| 973 | OPT_FLAG("nbft", 0, &nbft, "Only look at NBFT tables"){"nbft", 0, ((void*)0), CFG_FLAG, _Generic(&nbft, _Bool * : (&nbft)), ARGCONFIG_ARG_NONE, "Only look at NBFT tables" , 0, }, | |||
| 974 | OPT_FLAG("no-nbft", 0, &nonbft, "Do not look at NBFT tables"){"no-nbft", 0, ((void*)0), CFG_FLAG, _Generic(&nonbft, _Bool * : (&nonbft)), ARGCONFIG_ARG_NONE, "Do not look at NBFT tables" , 0, }, | |||
| 975 | OPT_STRING("owner", 0, "NAME", &owner,{"owner", 0, "NAME", CFG_STRING, _Generic(&owner, char ** : (&owner), const char ** : (&owner)), ARGCONFIG_ARG_REQUIRED , "record this owner in the registry", 0, } | |||
| 976 | "record this owner in the registry"){"owner", 0, "NAME", CFG_STRING, _Generic(&owner, char ** : (&owner), const char ** : (&owner)), ARGCONFIG_ARG_REQUIRED , "record this owner in the registry", 0, }, | |||
| 977 | OPT_DIR("nbft-path", 0, &nbft_path,{"nbft-path", 0, "DIRECTORY", CFG_DIR, _Generic(&nbft_path , char ** : (&nbft_path), const char ** : (&nbft_path )), ARGCONFIG_ARG_REQUIRED, "user-defined path for NBFT tables" , 0, } | |||
| 978 | "user-defined path for NBFT tables"){"nbft-path", 0, "DIRECTORY", CFG_DIR, _Generic(&nbft_path , char ** : (&nbft_path), const char ** : (&nbft_path )), ARGCONFIG_ARG_REQUIRED, "user-defined path for NBFT tables" , 0, }, | |||
| 979 | OPT_END(){ ((void*)0) } | |||
| 980 | }; | |||
| 981 | ||||
| 982 | fa.subsysnqn = NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery"; | |||
| 983 | if (!nvmf) | |||
| 984 | return -ENOMEM12; | |||
| 985 | ||||
| 986 | ret = parse_args(argc, argv, desc, opts); | |||
| 987 | if (ret) | |||
| 988 | return ret; | |||
| 989 | ||||
| 990 | load_nvme_fabrics_module(); | |||
| 991 | ||||
| 992 | flags = nvme_args.output_flags; | |||
| 993 | ||||
| 994 | persistent = nvmf_resolve_persistent_arg( | |||
| 995 | argconfig_given(opts, &persistent_arg), persistent_arg); | |||
| 996 | ||||
| 997 | if (!strcmp(config_file, "none")) | |||
| 998 | config_file = NULL((void*)0); | |||
| 999 | ||||
| 1000 | ret = nvme_create_global_ctx_hostnqn(&ctx, | |||
| 1001 | fa.hostnqn, fa.hostid, &hnqn, &hid); | |||
| 1002 | if (ret) | |||
| 1003 | return ret; | |||
| 1004 | fa.hostnqn = hnqn; | |||
| 1005 | fa.hostid = hid; | |||
| 1006 | ||||
| 1007 | /* | |||
| 1008 | * --nbft defaults the owner to "nbft" so legacy boot scripts that | |||
| 1009 | * call "connect-all --nbft" record ownership unchanged. An explicit | |||
| 1010 | * --owner overrides that default. | |||
| 1011 | */ | |||
| 1012 | if (owner || nbft) { | |||
| 1013 | ret = libnvme_set_owner(ctx, owner ? owner : "nbft"); | |||
| 1014 | if (ret) { | |||
| 1015 | nvme_show_error("failed to set owner: %s",nvme_show_message(1, "failed to set owner: %s", libnvme_strerror (-ret)) | |||
| 1016 | libnvme_strerror(-ret))nvme_show_message(1, "failed to set owner: %s", libnvme_strerror (-ret)); | |||
| 1017 | return ret; | |||
| 1018 | } | |||
| 1019 | } | |||
| 1020 | ||||
| 1021 | libnvme_skip_namespaces(ctx); | |||
| 1022 | ret = libnvme_scan_topology(ctx, NULL((void*)0), NULL((void*)0)); | |||
| 1023 | if (ret < 0) { | |||
| 1024 | nvme_show_error("Failed to scan topology: %s",nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-ret)) | |||
| 1025 | libnvme_strerror(-ret))nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-ret)); | |||
| 1026 | return ret; | |||
| 1027 | } | |||
| 1028 | ||||
| 1029 | if (device) { | |||
| 1030 | if (!strcmp(device, "none")) | |||
| 1031 | device = NULL((void*)0); | |||
| 1032 | else if (!strncmp(device, "/dev/", 5)) | |||
| 1033 | device += 5; | |||
| 1034 | } | |||
| 1035 | ||||
| 1036 | /* Only traddr may be a hostname; host_traddr never is. */ | |||
| 1037 | ret = nvmf_resolve_addr(fa.transport, fa.traddr, &resolved_traddr); | |||
| 1038 | if (ret) | |||
| 1039 | return ret; | |||
| 1040 | fa.traddr = resolved_traddr; | |||
| 1041 | ||||
| 1042 | struct hook_fabrics_data dld = { | |||
| 1043 | .flags = flags, | |||
| 1044 | .raw = raw, | |||
| 1045 | }; | |||
| 1046 | ||||
| 1047 | ret = create_discovery_context(ctx, device, &fa, &dld, &fctx); | |||
| 1048 | if (ret) | |||
| 1049 | return ret; | |||
| 1050 | ||||
| 1051 | libnvmf_context_set_connect(fctx, connect); | |||
| 1052 | libnvmf_context_set_no_reuse(fctx, no_reuse); | |||
| 1053 | ||||
| 1054 | if (persistent && libnvmf_context_set_persistent(fctx, persistent)) { | |||
| 1055 | nvme_show_error(nvme_show_message(1, "invalid --persistent value '%s' (expected no, auto, or force)" , persistent) | |||
| 1056 | "invalid --persistent value '%s' (expected no, auto, or force)",nvme_show_message(1, "invalid --persistent value '%s' (expected no, auto, or force)" , persistent) | |||
| 1057 | persistent)nvme_show_message(1, "invalid --persistent value '%s' (expected no, auto, or force)" , persistent); | |||
| 1058 | return -EINVAL22; | |||
| 1059 | } | |||
| 1060 | ||||
| 1061 | if (!device && !fa.transport && !fa.traddr) { | |||
| 1062 | if (!nonbft) { | |||
| 1063 | if (!nbft_path) { | |||
| 1064 | nvme_show_error("no nbft_path set")nvme_show_message(1, "no nbft_path set"); | |||
| 1065 | return -EINVAL22; | |||
| 1066 | } | |||
| 1067 | libnvmf_context_set_nbft_path(fctx, nbft_path); | |||
| 1068 | ret = libnvmf_discover_nbft(ctx, fctx); | |||
| 1069 | } | |||
| 1070 | if (!nbft && config_file) | |||
| 1071 | ret = fabrics_discovery_config(ctx, config_file, | |||
| 1072 | fa.hostnqn, fa.hostid, connect, no_reuse, | |||
| 1073 | flags); | |||
| 1074 | } else { | |||
| 1075 | ret = check_ctrl_owner(ctx, fctx, | |||
| 1076 | owner ? owner : (nbft ? "nbft" : NULL((void*)0)), | |||
| 1077 | no_reuse); | |||
| 1078 | if (ret < 0) { | |||
| 1079 | nvme_show_error("failed to check owner: %s",nvme_show_message(1, "failed to check owner: %s", libnvme_strerror (-ret)) | |||
| 1080 | libnvme_strerror(-ret))nvme_show_message(1, "failed to check owner: %s", libnvme_strerror (-ret)); | |||
| 1081 | return ret; | |||
| 1082 | } | |||
| 1083 | if (ret) | |||
| 1084 | return 0; | |||
| 1085 | ||||
| 1086 | ret = libnvmf_discover(ctx, fctx); | |||
| 1087 | if (ret == -ENVME_CONNECT_DRY_RUN) { | |||
| 1088 | nvme_show_error(nvme_show_message(1, "dry-run: the discovery needs a connection to the discovery controller, nothing discovered" ) | |||
| 1089 | "dry-run: the discovery needs a connection to the discovery controller, nothing discovered")nvme_show_message(1, "dry-run: the discovery needs a connection to the discovery controller, nothing discovered" ); | |||
| 1090 | ret = 0; | |||
| 1091 | } | |||
| 1092 | } | |||
| 1093 | ||||
| 1094 | return ret; | |||
| 1095 | } | |||
| 1096 | ||||
| 1097 | /* | |||
| 1098 | * The config-driven half of "nvme connect -J": auto-convert a legacy file | |||
| 1099 | * if needed, settle host identity once, then connect every resolved | |||
| 1100 | * connection in @config_file. | |||
| 1101 | */ | |||
| 1102 | static int fabrics_connect_config(struct libnvme_global_ctx *ctx, | |||
| 1103 | char *config_file, const char *hostnqn_arg, | |||
| 1104 | const char *hostid_arg, nvme_print_flags_t flags) | |||
| 1105 | { | |||
| 1106 | __cleanup_free__attribute__((cleanup(shr_freep))) char *ini_path = NULL((void*)0); | |||
| 1107 | __cleanup_free__attribute__((cleanup(shr_freep))) char *hostnqn = NULL((void*)0); | |||
| 1108 | __cleanup_free__attribute__((cleanup(shr_freep))) char *hostid = NULL((void*)0); | |||
| 1109 | struct libnvmf_config *cfg; | |||
| 1110 | struct consume_state st; | |||
| 1111 | int ret; | |||
| 1112 | ||||
| 1113 | /* Always explicit here (no implicit default read), so a | |||
| 1114 | * conversion failure is always fatal. | |||
| 1115 | */ | |||
| 1116 | ret = nvme_config_convert_auto(ctx, config_file, &ini_path); | |||
| 1117 | if (ret) { | |||
| 1118 | nvme_show_error("auto-conversion failed: %s",nvme_show_message(1, "auto-conversion failed: %s", libnvme_strerror (-ret)) | |||
| 1119 | libnvme_strerror(-ret))nvme_show_message(1, "auto-conversion failed: %s", libnvme_strerror (-ret)); | |||
| 1120 | return ret; | |||
| 1121 | } | |||
| 1122 | config_file = ini_path; | |||
| 1123 | ||||
| 1124 | ret = libnvmf_host_get_ids(ctx, hostnqn_arg, hostid_arg, | |||
| 1125 | &hostnqn, &hostid); | |||
| 1126 | if (ret) { | |||
| 1127 | nvme_show_error("failed to determine host identity: %s",nvme_show_message(1, "failed to determine host identity: %s", libnvme_strerror(-ret)) | |||
| 1128 | libnvme_strerror(-ret))nvme_show_message(1, "failed to determine host identity: %s", libnvme_strerror(-ret)); | |||
| 1129 | return ret; | |||
| 1130 | } | |||
| 1131 | ||||
| 1132 | ret = libnvmf_config_read(ctx, config_file, &cfg); | |||
| 1133 | if (ret) { | |||
| 1134 | nvme_show_error("failed to read %s: %s", config_file,nvme_show_message(1, "failed to read %s: %s", config_file, libnvme_strerror (-ret)) | |||
| 1135 | libnvme_strerror(-ret))nvme_show_message(1, "failed to read %s: %s", config_file, libnvme_strerror (-ret)); | |||
| 1136 | return ret; | |||
| 1137 | } | |||
| 1138 | ||||
| 1139 | st = (struct consume_state){ | |||
| 1140 | .ctx = ctx, | |||
| 1141 | .mode = CONSUME_CONNECT_ONLY, | |||
| 1142 | .flags = flags, | |||
| 1143 | .raw = raw, | |||
| 1144 | .hostnqn = hostnqn, | |||
| 1145 | .hostid = hostid, | |||
| 1146 | }; | |||
| 1147 | libnvmf_config_conn_for_each(cfg, consume_conn, &st); | |||
| 1148 | libnvmf_config_free(cfg); | |||
| 1149 | ||||
| 1150 | return st.err; | |||
| 1151 | } | |||
| 1152 | ||||
| 1153 | int fabrics_connect(const char *desc, int argc, char **argv) | |||
| 1154 | { | |||
| 1155 | __cleanup_free__attribute__((cleanup(shr_freep))) char *hnqn = NULL((void*)0); | |||
| 1156 | __cleanup_free__attribute__((cleanup(shr_freep))) char *hid = NULL((void*)0); | |||
| 1157 | char *config_file = NULL((void*)0); | |||
| 1158 | char *owner = NULL((void*)0); | |||
| 1159 | char *devid_file = NULL((void*)0); | |||
| 1160 | bool_Bool idempotent = false0; | |||
| 1161 | bool_Bool discovery = false0; | |||
| 1162 | __cleanup_nvme_global_ctx__attribute__((cleanup(cleanup_nvme_global_ctx))) struct libnvme_global_ctx *ctx = NULL((void*)0); | |||
| 1163 | __cleanup_nvmf_context__attribute__((cleanup(cleanup_nvmf_context))) struct libnvmf_context *fctx = NULL((void*)0); | |||
| 1164 | __cleanup_nvme_ctrl__attribute__((cleanup(cleanup_nvme_ctrl))) struct libnvme_ctrl *c = NULL((void*)0); | |||
| 1165 | __cleanup_free__attribute__((cleanup(shr_freep))) char *resolved_traddr = NULL((void*)0); | |||
| 1166 | int ret; | |||
| 1167 | nvme_print_flags_t flags; | |||
| 1168 | struct nvmf_args fa = nvmf_args_defaults(); | |||
| 1169 | __cleanup_free__attribute__((cleanup(shr_freep))) struct argconfig_commandline_options *nvmf = | |||
| 1170 | nvmf_options(&fa); | |||
| 1171 | ||||
| 1172 | OPT_ARGS(opts)struct argconfig_commandline_options opts[] = { | |||
| 1173 | OPT_INCLUDE(nvmf, "Fabrics options"){"", 0, ((void*)0), CFG_INCLUDE, nvmf, ARGCONFIG_ARG_NONE, "Fabrics options" , 0, ((void*)0)}, | |||
| 1174 | OPT_FILE("config", 'J', &config_file, nvmf_config_file){"config", 'J', "FILE", CFG_FILE, _Generic(&config_file, char ** : (&config_file), const char ** : (&config_file)) , ARGCONFIG_ARG_REQUIRED, nvmf_config_file, 0, }, | |||
| 1175 | OPT_STRING("owner", 0, "NAME", &owner,{"owner", 0, "NAME", CFG_STRING, _Generic(&owner, char ** : (&owner), const char ** : (&owner)), ARGCONFIG_ARG_REQUIRED , "record this owner in the registry", 0, } | |||
| 1176 | "record this owner in the registry"){"owner", 0, "NAME", CFG_STRING, _Generic(&owner, char ** : (&owner), const char ** : (&owner)), ARGCONFIG_ARG_REQUIRED , "record this owner in the registry", 0, }, | |||
| 1177 | OPT_FILE("devid-file", 0, &devid_file,{"devid-file", 0, "FILE", CFG_FILE, _Generic(&devid_file, char ** : (&devid_file), const char ** : (&devid_file )), ARGCONFIG_ARG_REQUIRED, "write connected device name to FILE" , 0, } | |||
| 1178 | "write connected device name to FILE"){"devid-file", 0, "FILE", CFG_FILE, _Generic(&devid_file, char ** : (&devid_file), const char ** : (&devid_file )), ARGCONFIG_ARG_REQUIRED, "write connected device name to FILE" , 0, }, | |||
| 1179 | OPT_FLAG("idempotent", 0, &idempotent,{"idempotent", 0, ((void*)0), CFG_FLAG, _Generic(&idempotent , _Bool * : (&idempotent)), ARGCONFIG_ARG_NONE, "exit 0 if already connected" , 0, } | |||
| 1180 | "exit 0 if already connected"){"idempotent", 0, ((void*)0), CFG_FLAG, _Generic(&idempotent , _Bool * : (&idempotent)), ARGCONFIG_ARG_NONE, "exit 0 if already connected" , 0, }, | |||
| 1181 | OPT_FLAG("discovery", 0, &discovery,{"discovery", 0, ((void*)0), CFG_FLAG, _Generic(&discovery , _Bool * : (&discovery)), ARGCONFIG_ARG_NONE, "the target is a discovery controller" , 0, } | |||
| 1182 | "the target is a discovery controller"){"discovery", 0, ((void*)0), CFG_FLAG, _Generic(&discovery , _Bool * : (&discovery)), ARGCONFIG_ARG_NONE, "the target is a discovery controller" , 0, }, | |||
| 1183 | OPT_END(){ ((void*)0) } | |||
| 1184 | }; | |||
| 1185 | ||||
| 1186 | if (!nvmf) | |||
| 1187 | return -ENOMEM12; | |||
| 1188 | ||||
| 1189 | ret = parse_args(argc, argv, desc, opts); | |||
| 1190 | if (ret) | |||
| 1191 | return ret; | |||
| 1192 | ||||
| 1193 | load_nvme_fabrics_module(); | |||
| 1194 | ||||
| 1195 | flags = nvme_args.output_flags; | |||
| 1196 | ||||
| 1197 | if (config_file && !strcmp(config_file, "none")) | |||
| 1198 | config_file = NULL((void*)0); | |||
| 1199 | ||||
| 1200 | if (config_file) | |||
| 1201 | goto do_connect; | |||
| 1202 | ||||
| 1203 | if (!fa.subsysnqn) { | |||
| 1204 | nvme_show_error(nvme_show_message(1, "required argument [--nqn | -n] not specified\n" ) | |||
| 1205 | "required argument [--nqn | -n] not specified\n")nvme_show_message(1, "required argument [--nqn | -n] not specified\n" ); | |||
| 1206 | return -EINVAL22; | |||
| 1207 | } | |||
| 1208 | ||||
| 1209 | if (!fa.transport) { | |||
| 1210 | nvme_show_error(nvme_show_message(1, "required argument [--transport | -t] not specified\n" ) | |||
| 1211 | "required argument [--transport | -t] not specified\n")nvme_show_message(1, "required argument [--transport | -t] not specified\n" ); | |||
| 1212 | return -EINVAL22; | |||
| 1213 | } | |||
| 1214 | ||||
| 1215 | if (strcmp(fa.transport, "loop")) { | |||
| 1216 | if (!fa.traddr) { | |||
| 1217 | nvme_show_error(nvme_show_message(1, "required argument [--traddr | -a] not specified for transport %s\n" , fa.transport) | |||
| 1218 | "required argument [--traddr | -a] not specified for transport %s\n",nvme_show_message(1, "required argument [--traddr | -a] not specified for transport %s\n" , fa.transport) | |||
| 1219 | fa.transport)nvme_show_message(1, "required argument [--traddr | -a] not specified for transport %s\n" , fa.transport); | |||
| 1220 | return -EINVAL22; | |||
| 1221 | } | |||
| 1222 | } | |||
| 1223 | ||||
| 1224 | /* Only traddr may be a hostname; host_traddr never is. */ | |||
| 1225 | ret = nvmf_resolve_addr(fa.transport, fa.traddr, &resolved_traddr); | |||
| 1226 | if (ret) | |||
| 1227 | return ret; | |||
| 1228 | fa.traddr = resolved_traddr; | |||
| 1229 | ||||
| 1230 | if (!fa.nr_io_queues) | |||
| 1231 | fa.nr_io_queues = fabrics_connect_nr_io_queues(fa.transport, | |||
| 1232 | fa.traddr, fa.host_traddr, fa.host_iface); | |||
| 1233 | do_connect: | |||
| 1234 | ret = nvme_create_global_ctx_hostnqn(&ctx, | |||
| 1235 | fa.hostnqn, fa.hostid, &hnqn, &hid); | |||
| 1236 | if (ret) | |||
| 1237 | return ret; | |||
| 1238 | fa.hostnqn = hnqn; | |||
| 1239 | fa.hostid = hid; | |||
| 1240 | ||||
| 1241 | if (owner) { | |||
| 1242 | ret = libnvme_set_owner(ctx, owner); | |||
| 1243 | if (ret) { | |||
| 1244 | nvme_show_error("failed to set owner: %s",nvme_show_message(1, "failed to set owner: %s", libnvme_strerror (-ret)) | |||
| 1245 | libnvme_strerror(-ret))nvme_show_message(1, "failed to set owner: %s", libnvme_strerror (-ret)); | |||
| 1246 | return ret; | |||
| 1247 | } | |||
| 1248 | } | |||
| 1249 | ||||
| 1250 | libnvme_skip_namespaces(ctx); | |||
| 1251 | ret = libnvme_scan_topology(ctx, NULL((void*)0), NULL((void*)0)); | |||
| 1252 | if (ret < 0) { | |||
| 1253 | nvme_show_error("Failed to scan topology: %s",nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-ret)) | |||
| 1254 | libnvme_strerror(-ret))nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-ret)); | |||
| 1255 | return ret; | |||
| 1256 | } | |||
| 1257 | ||||
| 1258 | if (config_file) | |||
| 1259 | return fabrics_connect_config(ctx, config_file, fa.hostnqn, | |||
| 1260 | fa.hostid, flags); | |||
| 1261 | ||||
| 1262 | struct hook_fabrics_data hfd = { | |||
| 1263 | .flags = flags, | |||
| 1264 | .raw = raw, | |||
| 1265 | }; | |||
| 1266 | ret = create_common_context(ctx, &fa, &hfd, &fctx); | |||
| 1267 | if (ret) | |||
| 1268 | return ret; | |||
| 1269 | ||||
| 1270 | if (devid_file) | |||
| 1271 | libnvmf_context_set_devid_file(fctx, devid_file); | |||
| 1272 | libnvmf_context_set_discovery_ctrl(fctx, discovery); | |||
| 1273 | ||||
| 1274 | /* | |||
| 1275 | * The exclusion list governs auto-connecting orchestrators, not an | |||
| 1276 | * explicit "nvme connect", so we never block it here. But under | |||
| 1277 | * --verbose, note when the target matches an exclusion entry so the | |||
| 1278 | * operator knows they are overriding their own opt-out. | |||
| 1279 | */ | |||
| 1280 | if (nvme_args.verbose) { | |||
| 1281 | struct libnvmf_tid *tid; | |||
| 1282 | ||||
| 1283 | libnvmf_tid_from_fields(fa.transport, fa.traddr, | |||
| 1284 | fa.trsvcid, fa.subsysnqn, | |||
| 1285 | fa.host_traddr, fa.host_iface, | |||
| 1286 | fa.hostnqn, fa.hostid, &tid); | |||
| 1287 | if (tid && libnvmf_exclusion_match(ctx, tid)) | |||
| 1288 | nvme_show_error(nvme_show_message(1, "Note: %s is on the exclusion list; connecting anyway\n" , fa.subsysnqn ? fa.subsysnqn : "this controller") | |||
| 1289 | "Note: %s is on the exclusion list; connecting anyway\n",nvme_show_message(1, "Note: %s is on the exclusion list; connecting anyway\n" , fa.subsysnqn ? fa.subsysnqn : "this controller") | |||
| 1290 | fa.subsysnqn ? fa.subsysnqn : "this controller")nvme_show_message(1, "Note: %s is on the exclusion list; connecting anyway\n" , fa.subsysnqn ? fa.subsysnqn : "this controller"); | |||
| 1291 | libnvmf_tid_free(tid); | |||
| 1292 | } | |||
| 1293 | ||||
| 1294 | ret = libnvmf_connect(ctx, fctx); | |||
| 1295 | if (ret == -ENVME_CONNECT_ALREADY && idempotent) | |||
| 1296 | ret = 0; | |||
| 1297 | if (ret == -ENVME_CONNECT_DRY_RUN) | |||
| 1298 | ret = 0; | |||
| 1299 | if (ret) { | |||
| 1300 | /* | |||
| 1301 | * hook_already_connected() already reported the specific | |||
| 1302 | * reason; the generic message here would just overwrite it. | |||
| 1303 | */ | |||
| 1304 | if (ret != -ENVME_CONNECT_ALREADY) | |||
| 1305 | nvme_show_error("failed to connect: %s",nvme_show_message(1, "failed to connect: %s", libnvme_strerror (-ret)) | |||
| 1306 | libnvme_strerror(-ret))nvme_show_message(1, "failed to connect: %s", libnvme_strerror (-ret)); | |||
| 1307 | return ret; | |||
| 1308 | } | |||
| 1309 | ||||
| 1310 | return 0; | |||
| 1311 | } | |||
| 1312 | ||||
| 1313 | static struct libnvme_ctrl *lookup_nvme_ctrl(struct libnvme_global_ctx *ctx, | |||
| 1314 | const char *name) | |||
| 1315 | { | |||
| 1316 | struct libnvme_host *h; | |||
| 1317 | struct libnvme_subsystem *s; | |||
| 1318 | struct libnvme_ctrl *c; | |||
| 1319 | ||||
| 1320 | libnvme_for_each_host(ctx, h)for (h = libnvme_first_host(ctx); h != ((void*)0); h = libnvme_next_host (ctx, h)) { | |||
| 1321 | libnvme_for_each_subsystem(h, s)for (s = libnvme_first_subsystem(h); s != ((void*)0); s = libnvme_next_subsystem (h, s)) { | |||
| 1322 | libnvme_subsystem_for_each_ctrl(s, c)for (c = libnvme_subsystem_first_ctrl(s); c != ((void*)0); c = libnvme_subsystem_next_ctrl(s, c)) { | |||
| 1323 | if (!strcmp(libnvme_ctrl_get_name(c), name)) | |||
| 1324 | return c; | |||
| 1325 | } | |||
| 1326 | } | |||
| 1327 | } | |||
| 1328 | return NULL((void*)0); | |||
| 1329 | } | |||
| 1330 | ||||
| 1331 | static bool_Bool opt_matches(const char *want, const char *have) | |||
| 1332 | { | |||
| 1333 | return !want || (have && !strcmp(want, have)); | |||
| 1334 | } | |||
| 1335 | ||||
| 1336 | static bool_Bool nvmf_ctrl_matches_args(struct libnvme_host *h, struct libnvme_ctrl *c, | |||
| 1337 | const struct nvmf_args *fa) | |||
| 1338 | { | |||
| 1339 | return opt_matches(fa->transport, libnvme_ctrl_get_transport(c)) && | |||
| 1340 | opt_matches(fa->subsysnqn, libnvme_ctrl_get_subsysnqn(c)) && | |||
| 1341 | opt_matches(fa->traddr, libnvme_ctrl_get_traddr(c)) && | |||
| 1342 | opt_matches(fa->trsvcid, libnvme_ctrl_get_trsvcid(c)) && | |||
| 1343 | opt_matches(fa->host_traddr, libnvme_ctrl_get_host_traddr(c)) && | |||
| 1344 | opt_matches(fa->host_iface, libnvme_ctrl_get_host_iface(c)) && | |||
| 1345 | opt_matches(fa->hostnqn, libnvme_host_get_hostnqn(h)) && | |||
| 1346 | opt_matches(fa->hostid, libnvme_host_get_hostid(h)); | |||
| 1347 | } | |||
| 1348 | ||||
| 1349 | static int nvmf_disconnect_nqn(struct libnvme_global_ctx *ctx, char *nqn) | |||
| 1350 | { | |||
| 1351 | int i = 0; | |||
| 1352 | char *n = nqn; | |||
| 1353 | char *p; | |||
| 1354 | struct libnvme_host *h; | |||
| 1355 | struct libnvme_subsystem *s; | |||
| 1356 | struct libnvme_ctrl *c; | |||
| 1357 | ||||
| 1358 | while ((p = shr_strsep(&n, ",")) != NULL((void*)0)) { | |||
| 1359 | if (!strlen(p)) | |||
| 1360 | continue; | |||
| 1361 | libnvme_for_each_host(ctx, h)for (h = libnvme_first_host(ctx); h != ((void*)0); h = libnvme_next_host (ctx, h)) { | |||
| 1362 | libnvme_for_each_subsystem(h, s)for (s = libnvme_first_subsystem(h); s != ((void*)0); s = libnvme_next_subsystem (h, s)) { | |||
| 1363 | if (strcmp(libnvme_subsystem_get_subsysnqn(s), p)) | |||
| 1364 | continue; | |||
| 1365 | libnvme_subsystem_for_each_ctrl(s, c)for (c = libnvme_subsystem_first_ctrl(s); c != ((void*)0); c = libnvme_subsystem_next_ctrl(s, c)) { | |||
| 1366 | if (!libnvmf_disconnect_ctrl(c)) | |||
| 1367 | i++; | |||
| 1368 | } | |||
| 1369 | } | |||
| 1370 | } | |||
| 1371 | } | |||
| 1372 | nvme_show_verbose_result("NQN:%s disconnected %d controller(s)", nqn, i)nvme_show_verbose_message("NQN:%s disconnected %d controller(s)" , nqn, i); | |||
| 1373 | ||||
| 1374 | return 0; | |||
| 1375 | } | |||
| 1376 | ||||
| 1377 | static int disconnect_validate_args(bool_Bool has_device, bool_Bool has_subsysnqn, | |||
| 1378 | bool_Bool match_args) | |||
| 1379 | { | |||
| 1380 | if (has_device && (has_subsysnqn || match_args)) { | |||
| 1381 | nvme_show_error(nvme_show_message(1, "Device name [--device | -d] cannot be combined with other identifying options\n" ) | |||
| 1382 | "Device name [--device | -d] cannot be combined with other identifying options\n")nvme_show_message(1, "Device name [--device | -d] cannot be combined with other identifying options\n" ); | |||
| 1383 | return -EINVAL22; | |||
| 1384 | } | |||
| 1385 | ||||
| 1386 | if (!has_device && !has_subsysnqn && match_args) { | |||
| 1387 | nvme_show_error(nvme_show_message(1, "Fabrics identifying options require an NQN [--nqn | -n]\n" ) | |||
| 1388 | "Fabrics identifying options require an NQN [--nqn | -n]\n")nvme_show_message(1, "Fabrics identifying options require an NQN [--nqn | -n]\n" ); | |||
| 1389 | return -EINVAL22; | |||
| 1390 | } | |||
| 1391 | ||||
| 1392 | if (!has_device && !has_subsysnqn) { | |||
| 1393 | nvme_show_error(nvme_show_message(1, "Neither device name [--device | -d] nor NQN [--nqn | -n] provided\n" ) | |||
| 1394 | "Neither device name [--device | -d] nor NQN [--nqn | -n] provided\n")nvme_show_message(1, "Neither device name [--device | -d] nor NQN [--nqn | -n] provided\n" ); | |||
| 1395 | return -EINVAL22; | |||
| 1396 | } | |||
| 1397 | ||||
| 1398 | return 0; | |||
| 1399 | } | |||
| 1400 | ||||
| 1401 | static int add_exclusion_ctrl(struct libnvme_global_ctx *ctx, | |||
| 1402 | struct libnvme_ctrl *c) | |||
| 1403 | { | |||
| 1404 | int err; | |||
| 1405 | ||||
| 1406 | /* | |||
| 1407 | * Write exclusion entry before disconnecting so that | |||
| 1408 | * orchestrators see the exclusion in place before the | |||
| 1409 | * device removal event fires. | |||
| 1410 | */ | |||
| 1411 | err = libnvmf_exclusion_add_ctrl(ctx, NULL((void*)0), c); | |||
| 1412 | if (!err) | |||
| 1413 | return 0; | |||
| 1414 | ||||
| 1415 | nvme_show_error("Warning: failed to write exclusion entry: %s\n",nvme_show_message(1, "Warning: failed to write exclusion entry: %s\n" , libnvme_strerror(-err)) | |||
| 1416 | libnvme_strerror(-err))nvme_show_message(1, "Warning: failed to write exclusion entry: %s\n" , libnvme_strerror(-err)); | |||
| 1417 | ||||
| 1418 | return err; | |||
| 1419 | } | |||
| 1420 | ||||
| 1421 | static int add_exclusion_subsysnqn(struct libnvme_global_ctx *ctx, | |||
| 1422 | const char *subsysnqn) | |||
| 1423 | { | |||
| 1424 | int err; | |||
| 1425 | ||||
| 1426 | /* | |||
| 1427 | * Write exclusion entry before disconnecting so that | |||
| 1428 | * orchestrators see the exclusion in place before the | |||
| 1429 | * device removal event fires. | |||
| 1430 | */ | |||
| 1431 | err = libnvmf_exclusion_add_subsysnqn(ctx, NULL((void*)0), subsysnqn); | |||
| 1432 | if (!err) | |||
| 1433 | return 0; | |||
| 1434 | ||||
| 1435 | nvme_show_error("Warning: failed to write exclusion entry: %s\n",nvme_show_message(1, "Warning: failed to write exclusion entry: %s\n" , libnvme_strerror(-err)) | |||
| 1436 | libnvme_strerror(-err))nvme_show_message(1, "Warning: failed to write exclusion entry: %s\n" , libnvme_strerror(-err)); | |||
| 1437 | ||||
| 1438 | return err; | |||
| 1439 | } | |||
| 1440 | ||||
| 1441 | static int disconnect_by_device(struct libnvme_global_ctx *ctx, | |||
| 1442 | char *device, bool_Bool exclude) | |||
| 1443 | { | |||
| 1444 | struct libnvme_ctrl *c; | |||
| 1445 | char *p; | |||
| 1446 | int err; | |||
| 1447 | ||||
| 1448 | while ((p = shr_strsep(&device, ",")) != NULL((void*)0)) { | |||
| 1449 | if (!strncmp(p, "/dev/", 5)) | |||
| 1450 | p += 5; | |||
| 1451 | ||||
| 1452 | c = lookup_nvme_ctrl(ctx, p); | |||
| 1453 | if (!c) { | |||
| 1454 | nvme_show_error("Did not find device %s\n", p)nvme_show_message(1, "Did not find device %s\n", p); | |||
| 1455 | return -ENODEV19; | |||
| 1456 | } | |||
| 1457 | ||||
| 1458 | if (exclude) | |||
| 1459 | add_exclusion_ctrl(ctx, c); | |||
| 1460 | ||||
| 1461 | err = libnvmf_disconnect_ctrl(c); | |||
| 1462 | if (err) | |||
| 1463 | nvme_show_error("Failed to disconnect %s: %s\n",nvme_show_message(1, "Failed to disconnect %s: %s\n", p, libnvme_strerror (-err)) | |||
| 1464 | p, libnvme_strerror(-err))nvme_show_message(1, "Failed to disconnect %s: %s\n", p, libnvme_strerror (-err)); | |||
| 1465 | } | |||
| 1466 | ||||
| 1467 | return 0; | |||
| 1468 | } | |||
| 1469 | ||||
| 1470 | static int disconnect_by_args(struct libnvme_global_ctx *ctx, | |||
| 1471 | const struct nvmf_args *fa, bool_Bool exclude) | |||
| 1472 | { | |||
| 1473 | struct libnvme_host *h; | |||
| 1474 | struct libnvme_subsystem *s; | |||
| 1475 | struct libnvme_ctrl *c; | |||
| 1476 | int err, i = 0; | |||
| 1477 | ||||
| 1478 | libnvme_for_each_host(ctx, h)for (h = libnvme_first_host(ctx); h != ((void*)0); h = libnvme_next_host (ctx, h)) { | |||
| 1479 | libnvme_for_each_subsystem(h, s)for (s = libnvme_first_subsystem(h); s != ((void*)0); s = libnvme_next_subsystem (h, s)) { | |||
| 1480 | libnvme_subsystem_for_each_ctrl(s, c)for (c = libnvme_subsystem_first_ctrl(s); c != ((void*)0); c = libnvme_subsystem_next_ctrl(s, c)) { | |||
| 1481 | if (!nvmf_ctrl_matches_args(h, c, fa)) | |||
| 1482 | continue; | |||
| 1483 | ||||
| 1484 | if (exclude) | |||
| 1485 | add_exclusion_ctrl(ctx, c); | |||
| 1486 | ||||
| 1487 | err = libnvmf_disconnect_ctrl(c); | |||
| 1488 | if (err) | |||
| 1489 | nvme_show_error("Failed to disconnect %s: %s\n",nvme_show_message(1, "Failed to disconnect %s: %s\n", libnvme_ctrl_get_name (c), libnvme_strerror(-err)) | |||
| 1490 | libnvme_ctrl_get_name(c),nvme_show_message(1, "Failed to disconnect %s: %s\n", libnvme_ctrl_get_name (c), libnvme_strerror(-err)) | |||
| 1491 | libnvme_strerror(-err))nvme_show_message(1, "Failed to disconnect %s: %s\n", libnvme_ctrl_get_name (c), libnvme_strerror(-err)); | |||
| 1492 | else | |||
| 1493 | i++; | |||
| 1494 | } | |||
| 1495 | } | |||
| 1496 | } | |||
| 1497 | ||||
| 1498 | if (!i) | |||
| 1499 | nvme_show_error("Did not find a matching controller\n")nvme_show_message(1, "Did not find a matching controller\n"); | |||
| 1500 | ||||
| 1501 | nvme_show_verbose_result("disconnected %d controller(s)", i)nvme_show_verbose_message("disconnected %d controller(s)", i); | |||
| 1502 | ||||
| 1503 | return 0; | |||
| 1504 | } | |||
| 1505 | ||||
| 1506 | static int disconnect_by_nqn(struct libnvme_global_ctx *ctx, const char *nqn, | |||
| 1507 | bool_Bool exclude) | |||
| 1508 | { | |||
| 1509 | __cleanup_free__attribute__((cleanup(shr_freep))) char *n = NULL((void*)0); | |||
| 1510 | ||||
| 1511 | n = strdup(nqn); | |||
| 1512 | if (!n) | |||
| 1513 | return -ENOMEM12; | |||
| 1514 | ||||
| 1515 | if (exclude) { | |||
| 1516 | __cleanup_free__attribute__((cleanup(shr_freep))) char *excl = strdup(nqn); | |||
| 1517 | char *t, *p; | |||
| 1518 | ||||
| 1519 | if (!excl) | |||
| 1520 | return -ENOMEM12; | |||
| ||||
| 1521 | ||||
| 1522 | t = excl; | |||
| 1523 | while ((p = shr_strsep(&t, ",")) != NULL((void*)0)) { | |||
| 1524 | if (!*p) | |||
| 1525 | continue; | |||
| 1526 | ||||
| 1527 | add_exclusion_subsysnqn(ctx, p); | |||
| 1528 | } | |||
| 1529 | } | |||
| 1530 | ||||
| 1531 | return nvmf_disconnect_nqn(ctx, n); | |||
| 1532 | } | |||
| 1533 | ||||
| 1534 | int fabrics_disconnect(const char *desc, int argc, char **argv) | |||
| 1535 | { | |||
| 1536 | const char *device = "nvme device handle"; | |||
| 1537 | const char *exclude_help = "write exclusion entry before disconnecting"; | |||
| 1538 | ||||
| 1539 | __cleanup_nvme_global_ctx__attribute__((cleanup(cleanup_nvme_global_ctx))) struct libnvme_global_ctx *ctx = NULL((void*)0); | |||
| 1540 | __cleanup_free__attribute__((cleanup(shr_freep))) char *resolved_traddr = NULL((void*)0); | |||
| 1541 | struct nvmf_args fa = nvmf_args_defaults(); | |||
| 1542 | __cleanup_free__attribute__((cleanup(shr_freep))) struct argconfig_commandline_options *nvmf = | |||
| 1543 | nvmf_options(&fa); | |||
| 1544 | bool_Bool match_args; | |||
| 1545 | int err; | |||
| 1546 | ||||
| 1547 | struct config { | |||
| 1548 | char *device; | |||
| 1549 | bool_Bool exclude; | |||
| 1550 | }; | |||
| 1551 | ||||
| 1552 | struct config cfg = { 0 }; | |||
| 1553 | ||||
| 1554 | OPT_ARGS(opts)struct argconfig_commandline_options opts[] = { | |||
| 1555 | OPT_INCLUDE(nvmf, "Fabrics options"){"", 0, ((void*)0), CFG_INCLUDE, nvmf, ARGCONFIG_ARG_NONE, "Fabrics options" , 0, ((void*)0)}, | |||
| 1556 | OPT_STRING("device", 'd', "DEV", &cfg.device, device){"device", 'd', "DEV", CFG_STRING, _Generic(&cfg.device, char ** : (&cfg.device), const char ** : (&cfg.device)), ARGCONFIG_ARG_REQUIRED , device, 0, }, | |||
| 1557 | OPT_FLAG("exclude", 'x', &cfg.exclude, exclude_help){"exclude", 'x', ((void*)0), CFG_FLAG, _Generic(&cfg.exclude , _Bool * : (&cfg.exclude)), ARGCONFIG_ARG_NONE, exclude_help , 0, }, | |||
| 1558 | OPT_END(){ ((void*)0) } | |||
| 1559 | }; | |||
| 1560 | ||||
| 1561 | if (!nvmf) | |||
| ||||
| 1562 | return -ENOMEM12; | |||
| 1563 | ||||
| 1564 | err = parse_args(argc, argv, desc, opts); | |||
| 1565 | if (err) | |||
| 1566 | return err; | |||
| 1567 | ||||
| 1568 | /* | |||
| 1569 | * Any of the "connect"-style options beyond bare --nqn narrow the | |||
| 1570 | * lookup to a specific controller instead of a whole subsystem. | |||
| 1571 | */ | |||
| 1572 | match_args = fa.transport || fa.traddr || fa.trsvcid || | |||
| 1573 | fa.host_traddr || fa.host_iface || fa.hostnqn || fa.hostid; | |||
| 1574 | ||||
| 1575 | err = disconnect_validate_args(!!cfg.device, | |||
| 1576 | !!fa.subsysnqn, match_args); | |||
| 1577 | if (err
| |||
| 1578 | return err; | |||
| 1579 | ||||
| 1580 | err = nvmf_resolve_addr(fa.transport, fa.traddr, &resolved_traddr); | |||
| 1581 | if (err
| |||
| 1582 | return err; | |||
| 1583 | fa.traddr = resolved_traddr; | |||
| 1584 | ||||
| 1585 | err = nvme_create_global_ctx_hostnqn(&ctx, | |||
| 1586 | fa.hostnqn, fa.hostid, NULL((void*)0), NULL((void*)0)); | |||
| 1587 | if (err) | |||
| 1588 | return err; | |||
| 1589 | ||||
| 1590 | libnvme_skip_namespaces(ctx); | |||
| 1591 | err = libnvme_scan_topology(ctx, NULL((void*)0), NULL((void*)0)); | |||
| 1592 | if (err < 0) { | |||
| 1593 | /* | |||
| 1594 | * Do not report an error when the modules are not | |||
| 1595 | * loaded, this allows the user to unconditionally call | |||
| 1596 | * disconnect. | |||
| 1597 | */ | |||
| 1598 | if (err == -ENOENT2) | |||
| 1599 | return 0; | |||
| 1600 | ||||
| 1601 | nvme_show_error("Failed to scan topology: %s",nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-err)) | |||
| 1602 | libnvme_strerror(-err))nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-err)); | |||
| 1603 | return err; | |||
| 1604 | } | |||
| 1605 | ||||
| 1606 | if (cfg.device
| |||
| 1607 | return disconnect_by_device(ctx, cfg.device, cfg.exclude); | |||
| 1608 | ||||
| 1609 | if (match_args) | |||
| 1610 | return disconnect_by_args(ctx, &fa, cfg.exclude); | |||
| 1611 | ||||
| 1612 | return disconnect_by_nqn(ctx, fa.subsysnqn, cfg.exclude); | |||
| 1613 | } | |||
| 1614 | ||||
| 1615 | /* disconnect-all policy: should controller @c be torn down? */ | |||
| 1616 | static bool_Bool disconnect_all_match(struct libnvme_global_ctx *ctx, | |||
| 1617 | struct libnvme_ctrl *c, const char *transport, | |||
| 1618 | const char *owner, bool_Bool force) | |||
| 1619 | { | |||
| 1620 | if (transport && strcmp(transport, libnvme_ctrl_get_transport(c))) | |||
| 1621 | return false0; | |||
| 1622 | if (!libnvme_ctrl_is_transport_fabric(c)) | |||
| 1623 | return false0; | |||
| 1624 | if (force) | |||
| 1625 | return true1; | |||
| 1626 | ||||
| 1627 | /* | |||
| 1628 | * attr_equal() returns 0 only on an exact match; a read error (<0) | |||
| 1629 | * compares as "not a match", so we never disconnect on error. | |||
| 1630 | */ | |||
| 1631 | return libnvmf_registry_attr_equal(ctx, libnvme_ctrl_get_name(c), | |||
| 1632 | "owner", owner) == 0; | |||
| 1633 | } | |||
| 1634 | ||||
| 1635 | int fabrics_disconnect_all(const char *desc, int argc, char **argv) | |||
| 1636 | { | |||
| 1637 | const char *owner_help = "disconnect only controllers owned by NAME"; | |||
| 1638 | const char *force_help = "disconnect all controllers regardless of ownership"; | |||
| 1639 | __cleanup_nvme_global_ctx__attribute__((cleanup(cleanup_nvme_global_ctx))) struct libnvme_global_ctx *ctx = NULL((void*)0); | |||
| 1640 | struct libnvme_host *h; | |||
| 1641 | struct libnvme_subsystem *s; | |||
| 1642 | struct libnvme_ctrl *c; | |||
| 1643 | int ret; | |||
| 1644 | ||||
| 1645 | struct config { | |||
| 1646 | char *transport; | |||
| 1647 | char *owner; | |||
| 1648 | bool_Bool force; | |||
| 1649 | }; | |||
| 1650 | ||||
| 1651 | struct config cfg = { 0 }; | |||
| 1652 | ||||
| 1653 | OPT_ARGS(opts)struct argconfig_commandline_options opts[] = { | |||
| 1654 | OPT_STRING("transport", 't', "STR", &cfg.transport,{"transport", 't', "STR", CFG_STRING, _Generic(&cfg.transport , char ** : (&cfg.transport), const char ** : (&cfg.transport )), ARGCONFIG_ARG_REQUIRED, "transport type", 0, } | |||
| 1655 | DESC_NVMF_TPORT){"transport", 't', "STR", CFG_STRING, _Generic(&cfg.transport , char ** : (&cfg.transport), const char ** : (&cfg.transport )), ARGCONFIG_ARG_REQUIRED, "transport type", 0, }, | |||
| 1656 | OPT_STRING("owner", 0, "NAME", &cfg.owner, owner_help){"owner", 0, "NAME", CFG_STRING, _Generic(&cfg.owner, char ** : (&cfg.owner), const char ** : (&cfg.owner)), ARGCONFIG_ARG_REQUIRED , owner_help, 0, }, | |||
| 1657 | OPT_FLAG("force", 0, &cfg.force, force_help){"force", 0, ((void*)0), CFG_FLAG, _Generic(&cfg.force, _Bool * : (&cfg.force)), ARGCONFIG_ARG_NONE, force_help, 0, }, | |||
| 1658 | OPT_END(){ ((void*)0) } | |||
| 1659 | }; | |||
| 1660 | ||||
| 1661 | ret = parse_args(argc, argv, desc, opts); | |||
| 1662 | if (ret) | |||
| 1663 | return ret; | |||
| 1664 | ||||
| 1665 | if (cfg.force && cfg.owner) { | |||
| 1666 | nvme_show_error("--force and --owner are mutually exclusive")nvme_show_message(1, "--force and --owner are mutually exclusive" ); | |||
| 1667 | return -EINVAL22; | |||
| 1668 | } | |||
| 1669 | ||||
| 1670 | if ((cfg.force || cfg.owner) && isatty(STDIN_FILENO0)) { | |||
| 1671 | char ans[8] = { 0 }; | |||
| 1672 | ||||
| 1673 | if (cfg.force) | |||
| 1674 | fprintf(stderrstderr, | |||
| 1675 | "WARNING: --force disconnects all NVMeoF controllers\n" | |||
| 1676 | "regardless of ownership. Type 'yes' to confirm: "); | |||
| 1677 | else | |||
| 1678 | fprintf(stderrstderr, | |||
| 1679 | "WARNING: --owner disconnects all NVMeoF controllers\n" | |||
| 1680 | "owned by '%s'. Type 'yes' to confirm: ", | |||
| 1681 | cfg.owner); | |||
| 1682 | if (!fgets(ans, sizeof(ans), stdinstdin)) { | |||
| 1683 | nvme_show_error("Aborted.")nvme_show_message(1, "Aborted."); | |||
| 1684 | return -EINVAL22; | |||
| 1685 | } | |||
| 1686 | ans[strcspn(ans, "\n")] = '\0'; | |||
| 1687 | if (strcmp(ans, "yes") != 0) { | |||
| 1688 | nvme_show_error("Aborted.")nvme_show_message(1, "Aborted."); | |||
| 1689 | return -EINVAL22; | |||
| 1690 | } | |||
| 1691 | } | |||
| 1692 | ||||
| 1693 | ret = nvme_create_global_ctx(&ctx); | |||
| 1694 | if (ret) | |||
| 1695 | return ret; | |||
| 1696 | ||||
| 1697 | libnvme_skip_namespaces(ctx); | |||
| 1698 | ret = libnvme_scan_topology(ctx, NULL((void*)0), NULL((void*)0)); | |||
| 1699 | if (ret < 0) { | |||
| 1700 | /* | |||
| 1701 | * Do not report an error when the modules are not | |||
| 1702 | * loaded, this allows the user to unconditionally call | |||
| 1703 | * disconnect. | |||
| 1704 | */ | |||
| 1705 | if (ret == -ENOENT2) | |||
| 1706 | return 0; | |||
| 1707 | ||||
| 1708 | nvme_show_error("Failed to scan topology: %s",nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-ret)) | |||
| 1709 | libnvme_strerror(-ret))nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-ret)); | |||
| 1710 | return ret; | |||
| 1711 | } | |||
| 1712 | ||||
| 1713 | libnvme_for_each_host(ctx, h)for (h = libnvme_first_host(ctx); h != ((void*)0); h = libnvme_next_host (ctx, h)) { | |||
| 1714 | libnvme_for_each_subsystem(h, s)for (s = libnvme_first_subsystem(h); s != ((void*)0); s = libnvme_next_subsystem (h, s)) { | |||
| 1715 | libnvme_subsystem_for_each_ctrl(s, c)for (c = libnvme_subsystem_first_ctrl(s); c != ((void*)0); c = libnvme_subsystem_next_ctrl(s, c)) { | |||
| 1716 | if (!disconnect_all_match(ctx, c, cfg.transport, | |||
| 1717 | cfg.owner, cfg.force)) | |||
| 1718 | continue; | |||
| 1719 | if (libnvmf_disconnect_ctrl(c)) | |||
| 1720 | nvme_show_error(nvme_show_message(1, "failed to disconnect %s\n", libnvme_ctrl_get_name (c)) | |||
| 1721 | "failed to disconnect %s\n",nvme_show_message(1, "failed to disconnect %s\n", libnvme_ctrl_get_name (c)) | |||
| 1722 | libnvme_ctrl_get_name(c))nvme_show_message(1, "failed to disconnect %s\n", libnvme_ctrl_get_name (c)); | |||
| 1723 | } | |||
| 1724 | } | |||
| 1725 | } | |||
| 1726 | ||||
| 1727 | return 0; | |||
| 1728 | } | |||
| 1729 | ||||
| 1730 | int fabrics_config_validate(const char *desc, int argc, char **argv) | |||
| 1731 | { | |||
| 1732 | __cleanup_nvme_global_ctx__attribute__((cleanup(cleanup_nvme_global_ctx))) struct libnvme_global_ctx *ctx = NULL((void*)0); | |||
| 1733 | char *config_file = PATH_NVMF_INI"/usr/local/etc" "/nvme/nvme-fabrics.conf"; | |||
| 1734 | int ret; | |||
| 1735 | ||||
| 1736 | OPT_ARGS(opts)struct argconfig_commandline_options opts[] = { | |||
| 1737 | OPT_FILE("config", 'J', &config_file, nvmf_config_file_ro){"config", 'J', "FILE", CFG_FILE, _Generic(&config_file, char ** : (&config_file), const char ** : (&config_file)) , ARGCONFIG_ARG_REQUIRED, nvmf_config_file_ro, 0, }, | |||
| 1738 | OPT_END(){ ((void*)0) } | |||
| 1739 | }; | |||
| 1740 | ||||
| 1741 | ret = parse_args(argc, argv, desc, opts); | |||
| 1742 | if (ret) | |||
| 1743 | return ret; | |||
| 1744 | ||||
| 1745 | ret = nvme_create_global_ctx(&ctx); | |||
| 1746 | if (ret) | |||
| 1747 | return ret; | |||
| 1748 | ||||
| 1749 | if (access(config_file, F_OK0)) { | |||
| 1750 | nvme_show_error("%s: no such file", config_file)nvme_show_message(1, "%s: no such file", config_file); | |||
| 1751 | return -ENOENT2; | |||
| 1752 | } | |||
| 1753 | ||||
| 1754 | ret = libnvmf_config_validate(ctx, config_file); | |||
| 1755 | if (ret) | |||
| 1756 | nvme_show_error("%s: invalid configuration", config_file)nvme_show_message(1, "%s: invalid configuration", config_file ); | |||
| 1757 | else | |||
| 1758 | nvme_show_result("%s: OK", config_file)nvme_show_message(0, "%s: OK", config_file); | |||
| 1759 | ||||
| 1760 | return ret; | |||
| 1761 | } | |||
| 1762 | ||||
| 1763 | int fabrics_config_show(const char *desc, int argc, char **argv) | |||
| 1764 | { | |||
| 1765 | __cleanup_nvme_global_ctx__attribute__((cleanup(cleanup_nvme_global_ctx))) struct libnvme_global_ctx *ctx = NULL((void*)0); | |||
| 1766 | struct libnvmf_config *cfg; | |||
| 1767 | char *config_file = PATH_NVMF_INI"/usr/local/etc" "/nvme/nvme-fabrics.conf"; | |||
| 1768 | nvme_print_flags_t flags; | |||
| 1769 | int ret; | |||
| 1770 | ||||
| 1771 | OPT_ARGS(opts)struct argconfig_commandline_options opts[] = { | |||
| 1772 | OPT_FILE("config", 'J', &config_file, nvmf_config_file_ro){"config", 'J', "FILE", CFG_FILE, _Generic(&config_file, char ** : (&config_file), const char ** : (&config_file)) , ARGCONFIG_ARG_REQUIRED, nvmf_config_file_ro, 0, }, | |||
| 1773 | OPT_END(){ ((void*)0) } | |||
| 1774 | }; | |||
| 1775 | ||||
| 1776 | ret = parse_args(argc, argv, desc, opts); | |||
| 1777 | if (ret) | |||
| 1778 | return ret; | |||
| 1779 | ||||
| 1780 | flags = nvme_args.output_flags; | |||
| 1781 | ||||
| 1782 | ret = nvme_create_global_ctx(&ctx); | |||
| 1783 | if (ret) | |||
| 1784 | return ret; | |||
| 1785 | ||||
| 1786 | ret = libnvmf_config_read(ctx, config_file, &cfg); | |||
| 1787 | if (ret) { | |||
| 1788 | nvme_show_error("failed to read %s: %s", config_file,nvme_show_message(1, "failed to read %s: %s", config_file, libnvme_strerror (-ret)) | |||
| 1789 | libnvme_strerror(-ret))nvme_show_message(1, "failed to read %s: %s", config_file, libnvme_strerror (-ret)); | |||
| 1790 | return ret; | |||
| 1791 | } | |||
| 1792 | ||||
| 1793 | nvme_show_config_conn_list(cfg, flags); | |||
| 1794 | libnvmf_config_free(cfg); | |||
| 1795 | ||||
| 1796 | return 0; | |||
| 1797 | } | |||
| 1798 | ||||
| 1799 | static int dim_operation(struct libnvme_ctrl *c, enum nvmf_dim_tas tas, const char *name) | |||
| 1800 | { | |||
| 1801 | static const char * const task[] = { | |||
| 1802 | [NVMF_DIM_TAS_REGISTER] = "register", | |||
| 1803 | [NVMF_DIM_TAS_DEREGISTER] = "deregister", | |||
| 1804 | }; | |||
| 1805 | const char *t; | |||
| 1806 | int status; | |||
| 1807 | __u32 result; | |||
| 1808 | ||||
| 1809 | t = (tas > NVMF_DIM_TAS_DEREGISTER || !task[tas]) ? "reserved" : task[tas]; | |||
| 1810 | status = libnvmf_register_ctrl(c, tas, &result); | |||
| 1811 | if (status == NVME_SC_SUCCESS) { | |||
| 1812 | nvme_show_verbose_result("%s DIM %s command success", name, t)nvme_show_verbose_message("%s DIM %s command success", name, t ); | |||
| 1813 | } else if (status < NVME_SC_SUCCESS) { | |||
| 1814 | nvme_show_error("%s DIM %s command error. Status:0x%04x - %s",nvme_show_message(1, "%s DIM %s command error. Status:0x%04x - %s" , name, t, status, libnvme_status_to_string(status, 0)) | |||
| 1815 | name, t, status, libnvme_status_to_string(status, false))nvme_show_message(1, "%s DIM %s command error. Status:0x%04x - %s" , name, t, status, libnvme_status_to_string(status, 0)); | |||
| 1816 | } else { | |||
| 1817 | nvme_show_error("%s DIM %s command error. Result:0x%04x, Status:0x%04x - %s",nvme_show_message(1, "%s DIM %s command error. Result:0x%04x, Status:0x%04x - %s" , name, t, result, status, libnvme_status_to_string(status, 0 )) | |||
| 1818 | name, t, result, status, libnvme_status_to_string(status, false))nvme_show_message(1, "%s DIM %s command error. Result:0x%04x, Status:0x%04x - %s" , name, t, result, status, libnvme_status_to_string(status, 0 )); | |||
| 1819 | } | |||
| 1820 | ||||
| 1821 | return libnvme_status_to_errno(status, true1); | |||
| 1822 | } | |||
| 1823 | ||||
| 1824 | int fabrics_dim(const char *desc, int argc, char **argv) | |||
| 1825 | { | |||
| 1826 | __cleanup_nvme_global_ctx__attribute__((cleanup(cleanup_nvme_global_ctx))) struct libnvme_global_ctx *ctx = NULL((void*)0); | |||
| 1827 | enum nvmf_dim_tas tas; | |||
| 1828 | struct libnvme_ctrl *c; | |||
| 1829 | char *p; | |||
| 1830 | int ret, err = 0; | |||
| 1831 | ||||
| 1832 | struct { | |||
| 1833 | char *nqn; | |||
| 1834 | char *device; | |||
| 1835 | char *tas; | |||
| 1836 | } cfg = { 0 }; | |||
| 1837 | ||||
| 1838 | OPT_ARGS(opts)struct argconfig_commandline_options opts[] = { | |||
| 1839 | OPT_STRING("nqn", 'n', "NAME", &cfg.nqn,{"nqn", 'n', "NAME", CFG_STRING, _Generic(&cfg.nqn, char * * : (&cfg.nqn), const char ** : (&cfg.nqn)), ARGCONFIG_ARG_REQUIRED , "Comma-separated list of DC nqn", 0, } | |||
| 1840 | "Comma-separated list of DC nqn"){"nqn", 'n', "NAME", CFG_STRING, _Generic(&cfg.nqn, char * * : (&cfg.nqn), const char ** : (&cfg.nqn)), ARGCONFIG_ARG_REQUIRED , "Comma-separated list of DC nqn", 0, }, | |||
| 1841 | OPT_STRING("device", 'd', "DEV", &cfg.device,{"device", 'd', "DEV", CFG_STRING, _Generic(&cfg.device, char ** : (&cfg.device), const char ** : (&cfg.device)), ARGCONFIG_ARG_REQUIRED , "Comma-separated list of DC nvme device handle.", 0, } | |||
| 1842 | "Comma-separated list of DC nvme device handle."){"device", 'd', "DEV", CFG_STRING, _Generic(&cfg.device, char ** : (&cfg.device), const char ** : (&cfg.device)), ARGCONFIG_ARG_REQUIRED , "Comma-separated list of DC nvme device handle.", 0, }, | |||
| 1843 | OPT_STRING("task", 't', "TASK", &cfg.tas,{"task", 't', "TASK", CFG_STRING, _Generic(&cfg.tas, char ** : (&cfg.tas), const char ** : (&cfg.tas)), ARGCONFIG_ARG_REQUIRED , "[register|deregister]", 0, } | |||
| 1844 | "[register|deregister]"){"task", 't', "TASK", CFG_STRING, _Generic(&cfg.tas, char ** : (&cfg.tas), const char ** : (&cfg.tas)), ARGCONFIG_ARG_REQUIRED , "[register|deregister]", 0, }, | |||
| 1845 | OPT_END(){ ((void*)0) } | |||
| 1846 | }; | |||
| 1847 | ||||
| 1848 | ret = parse_args(argc, argv, desc, opts); | |||
| 1849 | if (ret) | |||
| 1850 | return ret; | |||
| 1851 | ||||
| 1852 | if (!cfg.nqn && !cfg.device) { | |||
| 1853 | nvme_show_error(nvme_show_message(1, "Neither device name [--device | -d] nor NQN [--nqn | -n] provided\n" ) | |||
| 1854 | "Neither device name [--device | -d] nor NQN [--nqn | -n] provided\n")nvme_show_message(1, "Neither device name [--device | -d] nor NQN [--nqn | -n] provided\n" ); | |||
| 1855 | return -EINVAL22; | |||
| 1856 | } | |||
| 1857 | ||||
| 1858 | if (!cfg.tas) { | |||
| 1859 | nvme_show_error(nvme_show_message(1, "Task [--task | -t] must be specified\n" ) | |||
| 1860 | "Task [--task | -t] must be specified\n")nvme_show_message(1, "Task [--task | -t] must be specified\n" ); | |||
| 1861 | return -EINVAL22; | |||
| 1862 | } | |||
| 1863 | ||||
| 1864 | /* Allow partial name (e.g. "reg" for "register" */ | |||
| 1865 | if (strstarts("register", cfg.tas)(strncmp(("register"),(cfg.tas),strlen(cfg.tas)) == 0)) { | |||
| 1866 | tas = NVMF_DIM_TAS_REGISTER; | |||
| 1867 | } else if (strstarts("deregister", cfg.tas)(strncmp(("deregister"),(cfg.tas),strlen(cfg.tas)) == 0)) { | |||
| 1868 | tas = NVMF_DIM_TAS_DEREGISTER; | |||
| 1869 | } else { | |||
| 1870 | nvme_show_error("Invalid --task: %s", cfg.tas)nvme_show_message(1, "Invalid --task: %s", cfg.tas); | |||
| 1871 | return -EINVAL22; | |||
| 1872 | } | |||
| 1873 | ||||
| 1874 | ret = nvme_create_global_ctx(&ctx); | |||
| 1875 | if (ret) | |||
| 1876 | return ret; | |||
| 1877 | ||||
| 1878 | libnvme_skip_namespaces(ctx); | |||
| 1879 | ret = libnvme_scan_topology(ctx, NULL((void*)0), NULL((void*)0)); | |||
| 1880 | if (ret < 0) { | |||
| 1881 | nvme_show_error("Failed to scan topology: %s",nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-ret)) | |||
| 1882 | libnvme_strerror(-ret))nvme_show_message(1, "Failed to scan topology: %s", libnvme_strerror (-ret)); | |||
| 1883 | return ret; | |||
| 1884 | } | |||
| 1885 | ||||
| 1886 | if (cfg.nqn) { | |||
| 1887 | struct libnvme_host *h; | |||
| 1888 | struct libnvme_subsystem *s; | |||
| 1889 | char *n = cfg.nqn; | |||
| 1890 | ||||
| 1891 | while ((p = shr_strsep(&n, ",")) != NULL((void*)0)) { | |||
| 1892 | if (!strlen(p)) | |||
| 1893 | continue; | |||
| 1894 | libnvme_for_each_host(ctx, h)for (h = libnvme_first_host(ctx); h != ((void*)0); h = libnvme_next_host (ctx, h)) { | |||
| 1895 | libnvme_for_each_subsystem(h, s)for (s = libnvme_first_subsystem(h); s != ((void*)0); s = libnvme_next_subsystem (h, s)) { | |||
| 1896 | if (strcmp(libnvme_subsystem_get_subsysnqn(s), p)) | |||
| 1897 | continue; | |||
| 1898 | libnvme_subsystem_for_each_ctrl(s, c)for (c = libnvme_subsystem_first_ctrl(s); c != ((void*)0); c = libnvme_subsystem_next_ctrl(s, c)) { | |||
| 1899 | ret = dim_operation(c, tas, p); | |||
| 1900 | if (ret && !err) | |||
| 1901 | err = ret; | |||
| 1902 | } | |||
| 1903 | } | |||
| 1904 | } | |||
| 1905 | } | |||
| 1906 | } | |||
| 1907 | ||||
| 1908 | if (cfg.device) { | |||
| 1909 | char *d = cfg.device; | |||
| 1910 | ||||
| 1911 | while ((p = shr_strsep(&d, ",")) != NULL((void*)0)) { | |||
| 1912 | if (!strncmp(p, "/dev/", 5)) | |||
| 1913 | p += 5; | |||
| 1914 | ret = libnvme_scan_ctrl(ctx, p, &c); | |||
| 1915 | if (ret) { | |||
| 1916 | nvme_show_error(nvme_show_message(1, "Did not find device %s: %s\n", p, libnvme_strerror (ret)) | |||
| 1917 | "Did not find device %s: %s\n",nvme_show_message(1, "Did not find device %s: %s\n", p, libnvme_strerror (ret)) | |||
| 1918 | p, libnvme_strerror(ret))nvme_show_message(1, "Did not find device %s: %s\n", p, libnvme_strerror (ret)); | |||
| 1919 | return ret; | |||
| 1920 | } | |||
| 1921 | ret = dim_operation(c, tas, p); | |||
| 1922 | if (ret && !err) | |||
| 1923 | err = ret; | |||
| 1924 | } | |||
| 1925 | } | |||
| 1926 | ||||
| 1927 | return err; | |||
| 1928 | } |