17c58bb76SPaolo Bonzini /* 27c58bb76SPaolo Bonzini * QEMU storage daemon 37c58bb76SPaolo Bonzini * 47c58bb76SPaolo Bonzini * Copyright (c) 2003-2008 Fabrice Bellard 57c58bb76SPaolo Bonzini * Copyright (c) 2019 Kevin Wolf <kwolf@redhat.com> 67c58bb76SPaolo Bonzini * 77c58bb76SPaolo Bonzini * Permission is hereby granted, free of charge, to any person obtaining a copy 87c58bb76SPaolo Bonzini * of this software and associated documentation files (the "Software"), to deal 97c58bb76SPaolo Bonzini * in the Software without restriction, including without limitation the rights 107c58bb76SPaolo Bonzini * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 117c58bb76SPaolo Bonzini * copies of the Software, and to permit persons to whom the Software is 127c58bb76SPaolo Bonzini * furnished to do so, subject to the following conditions: 137c58bb76SPaolo Bonzini * 147c58bb76SPaolo Bonzini * The above copyright notice and this permission notice shall be included in 157c58bb76SPaolo Bonzini * all copies or substantial portions of the Software. 167c58bb76SPaolo Bonzini * 177c58bb76SPaolo Bonzini * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 187c58bb76SPaolo Bonzini * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 197c58bb76SPaolo Bonzini * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 207c58bb76SPaolo Bonzini * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 217c58bb76SPaolo Bonzini * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 227c58bb76SPaolo Bonzini * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 237c58bb76SPaolo Bonzini * THE SOFTWARE. 247c58bb76SPaolo Bonzini */ 257c58bb76SPaolo Bonzini 267c58bb76SPaolo Bonzini #include "qemu/osdep.h" 277c58bb76SPaolo Bonzini 287c58bb76SPaolo Bonzini #include <getopt.h> 297c58bb76SPaolo Bonzini 307c58bb76SPaolo Bonzini #include "block/block.h" 317c58bb76SPaolo Bonzini #include "block/nbd.h" 327c58bb76SPaolo Bonzini #include "chardev/char.h" 337c58bb76SPaolo Bonzini #include "crypto/init.h" 347c58bb76SPaolo Bonzini #include "monitor/monitor.h" 357c58bb76SPaolo Bonzini #include "monitor/monitor-internal.h" 367c58bb76SPaolo Bonzini 377c58bb76SPaolo Bonzini #include "qapi/error.h" 387c58bb76SPaolo Bonzini #include "qapi/qapi-visit-block-core.h" 395daa6bfdSKevin Wolf #include "qapi/qapi-visit-block-export.h" 407c58bb76SPaolo Bonzini #include "qapi/qapi-visit-control.h" 417c58bb76SPaolo Bonzini #include "qapi/qmp/qdict.h" 427c58bb76SPaolo Bonzini #include "qapi/qmp/qstring.h" 437c58bb76SPaolo Bonzini #include "qapi/qobject-input-visitor.h" 447c58bb76SPaolo Bonzini 4549f95221SMarc-André Lureau #include "qemu/help-texts.h" 467c58bb76SPaolo Bonzini #include "qemu-version.h" 4706680b15SMarc-André Lureau #include "qemu/cutils.h" 487c58bb76SPaolo Bonzini #include "qemu/config-file.h" 497c58bb76SPaolo Bonzini #include "qemu/error-report.h" 507c58bb76SPaolo Bonzini #include "qemu/help_option.h" 517c58bb76SPaolo Bonzini #include "qemu/log.h" 527c58bb76SPaolo Bonzini #include "qemu/main-loop.h" 537c58bb76SPaolo Bonzini #include "qemu/module.h" 547c58bb76SPaolo Bonzini #include "qemu/option.h" 557c58bb76SPaolo Bonzini #include "qom/object_interfaces.h" 567c58bb76SPaolo Bonzini 577c58bb76SPaolo Bonzini #include "storage-daemon/qapi/qapi-commands.h" 587c58bb76SPaolo Bonzini #include "storage-daemon/qapi/qapi-init-commands.h" 597c58bb76SPaolo Bonzini 607c58bb76SPaolo Bonzini #include "sysemu/runstate.h" 617c58bb76SPaolo Bonzini #include "trace/control.h" 627c58bb76SPaolo Bonzini 6303d2b412SStefan Hajnoczi static const char *pid_file; 647c58bb76SPaolo Bonzini static volatile bool exit_requested = false; 657c58bb76SPaolo Bonzini 667c58bb76SPaolo Bonzini void qemu_system_killed(int signal, pid_t pid) 677c58bb76SPaolo Bonzini { 687c58bb76SPaolo Bonzini exit_requested = true; 697c58bb76SPaolo Bonzini } 707c58bb76SPaolo Bonzini 717c58bb76SPaolo Bonzini void qmp_quit(Error **errp) 727c58bb76SPaolo Bonzini { 737c58bb76SPaolo Bonzini exit_requested = true; 747c58bb76SPaolo Bonzini } 757c58bb76SPaolo Bonzini 767c58bb76SPaolo Bonzini static void help(void) 777c58bb76SPaolo Bonzini { 787c58bb76SPaolo Bonzini printf( 797c58bb76SPaolo Bonzini "Usage: %s [options]\n" 807c58bb76SPaolo Bonzini "QEMU storage daemon\n" 817c58bb76SPaolo Bonzini "\n" 827c58bb76SPaolo Bonzini " -h, --help display this help and exit\n" 837c58bb76SPaolo Bonzini " -T, --trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n" 847c58bb76SPaolo Bonzini " specify tracing options\n" 857c58bb76SPaolo Bonzini " -V, --version output version information and exit\n" 867c58bb76SPaolo Bonzini "\n" 877c58bb76SPaolo Bonzini " --blockdev [driver=]<driver>[,node-name=<N>][,discard=ignore|unmap]\n" 887c58bb76SPaolo Bonzini " [,cache.direct=on|off][,cache.no-flush=on|off]\n" 897c58bb76SPaolo Bonzini " [,read-only=on|off][,auto-read-only=on|off]\n" 907c58bb76SPaolo Bonzini " [,force-share=on|off][,detect-zeroes=on|off|unmap]\n" 917c58bb76SPaolo Bonzini " [,driver specific parameters...]\n" 927c58bb76SPaolo Bonzini " configure a block backend\n" 937c58bb76SPaolo Bonzini "\n" 947c58bb76SPaolo Bonzini " --chardev <options> configure a character device backend\n" 957c58bb76SPaolo Bonzini " (see the qemu(1) man page for possible options)\n" 967c58bb76SPaolo Bonzini "\n" 972525edd8SHanna Reitz " --daemonize daemonize the process, and have the parent exit\n" 982525edd8SHanna Reitz " once startup is complete\n" 992525edd8SHanna Reitz "\n" 10045db4bc1SKevin Wolf " --export [type=]nbd,id=<id>,node-name=<node-name>[,name=<export-name>]\n" 1017c58bb76SPaolo Bonzini " [,writable=on|off][,bitmap=<name>]\n" 1027c58bb76SPaolo Bonzini " export the specified block node over NBD\n" 1037c58bb76SPaolo Bonzini " (requires --nbd-server)\n" 1047c58bb76SPaolo Bonzini "\n" 105d1bbd965SPhilippe Mathieu-Daudé #ifdef CONFIG_FUSE 106220222a0SMax Reitz " --export [type=]fuse,id=<id>,node-name=<node-name>,mountpoint=<file>\n" 107cb90ec3aSHanna Reitz " [,growable=on|off][,writable=on|off][,allow-other=on|off|auto]\n" 108220222a0SMax Reitz " export the specified block node over FUSE\n" 109220222a0SMax Reitz "\n" 110d1bbd965SPhilippe Mathieu-Daudé #endif /* CONFIG_FUSE */ 111c8cbc952SPhilippe Mathieu-Daudé #ifdef CONFIG_VHOST_USER_BLK_SERVER 112c8cbc952SPhilippe Mathieu-Daudé " --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,\n" 113c8cbc952SPhilippe Mathieu-Daudé " addr.type=unix,addr.path=<socket-path>[,writable=on|off]\n" 114c8cbc952SPhilippe Mathieu-Daudé " [,logical-block-size=<block-size>][,num-queues=<num-queues>]\n" 115c8cbc952SPhilippe Mathieu-Daudé " export the specified block node as a\n" 116c8cbc952SPhilippe Mathieu-Daudé " vhost-user-blk device over UNIX domain socket\n" 117c8cbc952SPhilippe Mathieu-Daudé " --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,\n" 118e66e665fSKevin Wolf " addr.type=fd,addr.str=<fd>[,writable=on|off]\n" 119c8cbc952SPhilippe Mathieu-Daudé " [,logical-block-size=<block-size>][,num-queues=<num-queues>]\n" 120c8cbc952SPhilippe Mathieu-Daudé " export the specified block node as a\n" 121c8cbc952SPhilippe Mathieu-Daudé " vhost-user-blk device over file descriptor\n" 122c8cbc952SPhilippe Mathieu-Daudé "\n" 123c8cbc952SPhilippe Mathieu-Daudé #endif /* CONFIG_VHOST_USER_BLK_SERVER */ 124ca941c40SStefan Hajnoczi #ifdef CONFIG_VDUSE_BLK_EXPORT 125ca941c40SStefan Hajnoczi " --export [type=]vduse-blk,id=<id>,node-name=<node-name>\n" 126ca941c40SStefan Hajnoczi " [,writable=on|off][,num-queues=<num-queues>]\n" 127ca941c40SStefan Hajnoczi " [,queue-size=<queue-size>]\n" 128ca941c40SStefan Hajnoczi " [,logical-block-size=<logical-block-size>]\n" 1290862a087SXie Yongji " [,serial=<serial-number>]\n" 130ca941c40SStefan Hajnoczi " export the specified block node as a vduse-blk\n" 131ca941c40SStefan Hajnoczi " device using the id as the VDUSE device name\n" 132ca941c40SStefan Hajnoczi "\n" 133ca941c40SStefan Hajnoczi #endif /* CONFIG_VDUSE_BLK_EXPORT */ 1347c58bb76SPaolo Bonzini " --monitor [chardev=]name[,mode=control][,pretty[=on|off]]\n" 1357c58bb76SPaolo Bonzini " configure a QMP monitor\n" 1367c58bb76SPaolo Bonzini "\n" 1377c58bb76SPaolo Bonzini " --nbd-server addr.type=inet,addr.host=<host>,addr.port=<port>\n" 1381c8222b0SKevin Wolf " [,tls-creds=<id>][,tls-authz=<id>][,max-connections=<n>]\n" 1397c58bb76SPaolo Bonzini " --nbd-server addr.type=unix,addr.path=<path>\n" 1401c8222b0SKevin Wolf " [,tls-creds=<id>][,tls-authz=<id>][,max-connections=<n>]\n" 1417c58bb76SPaolo Bonzini " start an NBD server for exporting block nodes\n" 1427c58bb76SPaolo Bonzini "\n" 1437c58bb76SPaolo Bonzini " --object help list object types that can be added\n" 1447c58bb76SPaolo Bonzini " --object <type>,help list properties for the given object type\n" 1457c58bb76SPaolo Bonzini " --object <type>[,<property>=<value>...]\n" 1467c58bb76SPaolo Bonzini " create a new object of type <type>, setting\n" 1477c58bb76SPaolo Bonzini " properties in the order they are specified. Note\n" 1487c58bb76SPaolo Bonzini " that the 'id' property must be set.\n" 1497c58bb76SPaolo Bonzini " See the qemu(1) man page for documentation of the\n" 1507c58bb76SPaolo Bonzini " objects that can be added.\n" 1517c58bb76SPaolo Bonzini "\n" 15203d2b412SStefan Hajnoczi " --pidfile <path> write process ID to a file after startup\n" 15303d2b412SStefan Hajnoczi "\n" 1547c58bb76SPaolo Bonzini QEMU_HELP_BOTTOM "\n", 155336d354bSMarc-André Lureau g_get_prgname()); 1567c58bb76SPaolo Bonzini } 1577c58bb76SPaolo Bonzini 1587c58bb76SPaolo Bonzini enum { 1597c58bb76SPaolo Bonzini OPTION_BLOCKDEV = 256, 1607c58bb76SPaolo Bonzini OPTION_CHARDEV, 1612525edd8SHanna Reitz OPTION_DAEMONIZE, 1627c58bb76SPaolo Bonzini OPTION_EXPORT, 1637c58bb76SPaolo Bonzini OPTION_MONITOR, 1647c58bb76SPaolo Bonzini OPTION_NBD_SERVER, 1657c58bb76SPaolo Bonzini OPTION_OBJECT, 16603d2b412SStefan Hajnoczi OPTION_PIDFILE, 1677c58bb76SPaolo Bonzini }; 1687c58bb76SPaolo Bonzini 1697c58bb76SPaolo Bonzini extern QemuOptsList qemu_chardev_opts; 1707c58bb76SPaolo Bonzini 1717c58bb76SPaolo Bonzini static void init_qmp_commands(void) 1727c58bb76SPaolo Bonzini { 1737c58bb76SPaolo Bonzini qmp_init_marshal(&qmp_commands); 1747c58bb76SPaolo Bonzini 1757c58bb76SPaolo Bonzini QTAILQ_INIT(&qmp_cap_negotiation_commands); 1767c58bb76SPaolo Bonzini qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities", 1776604e475SMarkus Armbruster qmp_marshal_qmp_capabilities, 1786604e475SMarkus Armbruster QCO_ALLOW_PRECONFIG, 0); 1797c58bb76SPaolo Bonzini } 1807c58bb76SPaolo Bonzini 181501a4b36SPaolo Bonzini static int getopt_set_loc(int argc, char **argv, const char *optstring, 182501a4b36SPaolo Bonzini const struct option *longopts) 183501a4b36SPaolo Bonzini { 184501a4b36SPaolo Bonzini int c, save_index; 185501a4b36SPaolo Bonzini 186501a4b36SPaolo Bonzini optarg = NULL; 187501a4b36SPaolo Bonzini save_index = optind; 188501a4b36SPaolo Bonzini c = getopt_long(argc, argv, optstring, longopts, NULL); 189501a4b36SPaolo Bonzini if (optarg) { 190501a4b36SPaolo Bonzini loc_set_cmdline(argv, save_index, MAX(1, optind - save_index)); 191501a4b36SPaolo Bonzini } 192501a4b36SPaolo Bonzini return c; 193501a4b36SPaolo Bonzini } 194501a4b36SPaolo Bonzini 19579d51d73SHanna Reitz /** 19679d51d73SHanna Reitz * Process QSD command-line arguments. 19779d51d73SHanna Reitz * 19879d51d73SHanna Reitz * This is done in two passes: 19979d51d73SHanna Reitz * 20079d51d73SHanna Reitz * First (@pre_init_pass is true), we do a pass where all global 20179d51d73SHanna Reitz * arguments pertaining to the QSD process (like --help or --daemonize) 20279d51d73SHanna Reitz * are processed. This pass is done before most of the QEMU-specific 20379d51d73SHanna Reitz * initialization steps (e.g. initializing the block layer or QMP), and 20479d51d73SHanna Reitz * so must only process arguments that are not really QEMU-specific. 20579d51d73SHanna Reitz * 20679d51d73SHanna Reitz * Second (@pre_init_pass is false), we (sequentially) process all 20779d51d73SHanna Reitz * QEMU/QSD-specific arguments. Many of these arguments are effectively 20879d51d73SHanna Reitz * translated to QMP commands (like --blockdev for blockdev-add, or 20979d51d73SHanna Reitz * --export for block-export-add). 21079d51d73SHanna Reitz */ 21179d51d73SHanna Reitz static void process_options(int argc, char *argv[], bool pre_init_pass) 2127c58bb76SPaolo Bonzini { 2137c58bb76SPaolo Bonzini int c; 2147c58bb76SPaolo Bonzini 2157c58bb76SPaolo Bonzini static const struct option long_options[] = { 2167c58bb76SPaolo Bonzini {"blockdev", required_argument, NULL, OPTION_BLOCKDEV}, 2177c58bb76SPaolo Bonzini {"chardev", required_argument, NULL, OPTION_CHARDEV}, 2182525edd8SHanna Reitz {"daemonize", no_argument, NULL, OPTION_DAEMONIZE}, 2197c58bb76SPaolo Bonzini {"export", required_argument, NULL, OPTION_EXPORT}, 2207c58bb76SPaolo Bonzini {"help", no_argument, NULL, 'h'}, 2217c58bb76SPaolo Bonzini {"monitor", required_argument, NULL, OPTION_MONITOR}, 2227c58bb76SPaolo Bonzini {"nbd-server", required_argument, NULL, OPTION_NBD_SERVER}, 2237c58bb76SPaolo Bonzini {"object", required_argument, NULL, OPTION_OBJECT}, 22403d2b412SStefan Hajnoczi {"pidfile", required_argument, NULL, OPTION_PIDFILE}, 2257c58bb76SPaolo Bonzini {"trace", required_argument, NULL, 'T'}, 2267c58bb76SPaolo Bonzini {"version", no_argument, NULL, 'V'}, 2277c58bb76SPaolo Bonzini {0, 0, 0, 0} 2287c58bb76SPaolo Bonzini }; 2297c58bb76SPaolo Bonzini 2307c58bb76SPaolo Bonzini /* 23179d51d73SHanna Reitz * In contrast to the system emulator, QEMU-specific options are processed 23279d51d73SHanna Reitz * in the order they are given on the command lines. This means that things 23379d51d73SHanna Reitz * must be defined first before they can be referenced in another option. 2347c58bb76SPaolo Bonzini */ 23579d51d73SHanna Reitz optind = 1; 236501a4b36SPaolo Bonzini while ((c = getopt_set_loc(argc, argv, "-hT:V", long_options)) != -1) { 23779d51d73SHanna Reitz bool handle_option_pre_init; 23879d51d73SHanna Reitz 23979d51d73SHanna Reitz /* Should this argument be processed in the pre-init pass? */ 24079d51d73SHanna Reitz handle_option_pre_init = 24179d51d73SHanna Reitz c == '?' || 24279d51d73SHanna Reitz c == 'h' || 24379d51d73SHanna Reitz c == 'V' || 2442525edd8SHanna Reitz c == OPTION_DAEMONIZE || 24579d51d73SHanna Reitz c == OPTION_PIDFILE; 24679d51d73SHanna Reitz 24779d51d73SHanna Reitz /* Process every option only in its respective pass */ 24879d51d73SHanna Reitz if (pre_init_pass != handle_option_pre_init) { 24979d51d73SHanna Reitz continue; 25079d51d73SHanna Reitz } 25179d51d73SHanna Reitz 2527c58bb76SPaolo Bonzini switch (c) { 2537c58bb76SPaolo Bonzini case '?': 2547c58bb76SPaolo Bonzini exit(EXIT_FAILURE); 2557c58bb76SPaolo Bonzini case 'h': 2567c58bb76SPaolo Bonzini help(); 2577c58bb76SPaolo Bonzini exit(EXIT_SUCCESS); 2587c58bb76SPaolo Bonzini case 'T': 25992eecfffSPaolo Bonzini trace_opt_parse(optarg); 26092eecfffSPaolo Bonzini trace_init_file(); 2617c58bb76SPaolo Bonzini break; 2627c58bb76SPaolo Bonzini case 'V': 2637c58bb76SPaolo Bonzini printf("qemu-storage-daemon version " 2647c58bb76SPaolo Bonzini QEMU_FULL_VERSION "\n" QEMU_COPYRIGHT "\n"); 2657c58bb76SPaolo Bonzini exit(EXIT_SUCCESS); 2667c58bb76SPaolo Bonzini case OPTION_BLOCKDEV: 2677c58bb76SPaolo Bonzini { 2687c58bb76SPaolo Bonzini Visitor *v; 2697c58bb76SPaolo Bonzini BlockdevOptions *options; 2707c58bb76SPaolo Bonzini 2717c58bb76SPaolo Bonzini v = qobject_input_visitor_new_str(optarg, "driver", 2727c58bb76SPaolo Bonzini &error_fatal); 2737c58bb76SPaolo Bonzini 2747c58bb76SPaolo Bonzini visit_type_BlockdevOptions(v, NULL, &options, &error_fatal); 2757c58bb76SPaolo Bonzini visit_free(v); 2767c58bb76SPaolo Bonzini 2777c58bb76SPaolo Bonzini qmp_blockdev_add(options, &error_fatal); 2787c58bb76SPaolo Bonzini qapi_free_BlockdevOptions(options); 2797c58bb76SPaolo Bonzini break; 2807c58bb76SPaolo Bonzini } 2817c58bb76SPaolo Bonzini case OPTION_CHARDEV: 2827c58bb76SPaolo Bonzini { 2837c58bb76SPaolo Bonzini /* TODO This interface is not stable until we QAPIfy it */ 2847c58bb76SPaolo Bonzini QemuOpts *opts = qemu_opts_parse_noisily(&qemu_chardev_opts, 2857c58bb76SPaolo Bonzini optarg, true); 2867c58bb76SPaolo Bonzini if (opts == NULL) { 2877c58bb76SPaolo Bonzini exit(EXIT_FAILURE); 2887c58bb76SPaolo Bonzini } 2897c58bb76SPaolo Bonzini 2907c58bb76SPaolo Bonzini if (!qemu_chr_new_from_opts(opts, NULL, &error_fatal)) { 2917c58bb76SPaolo Bonzini /* No error, but NULL returned means help was printed */ 2927c58bb76SPaolo Bonzini exit(EXIT_SUCCESS); 2937c58bb76SPaolo Bonzini } 2947c58bb76SPaolo Bonzini qemu_opts_del(opts); 2957c58bb76SPaolo Bonzini break; 2967c58bb76SPaolo Bonzini } 2972525edd8SHanna Reitz case OPTION_DAEMONIZE: 2982525edd8SHanna Reitz if (os_set_daemonize(true) < 0) { 2992525edd8SHanna Reitz error_report("--daemonize not supported in this build"); 3002525edd8SHanna Reitz exit(EXIT_FAILURE); 3012525edd8SHanna Reitz } 3022525edd8SHanna Reitz break; 3037c58bb76SPaolo Bonzini case OPTION_EXPORT: 3047c58bb76SPaolo Bonzini { 3057c58bb76SPaolo Bonzini Visitor *v; 306143ea767SKevin Wolf BlockExportOptions *export; 3077c58bb76SPaolo Bonzini 3087c58bb76SPaolo Bonzini v = qobject_input_visitor_new_str(optarg, "type", &error_fatal); 309143ea767SKevin Wolf visit_type_BlockExportOptions(v, NULL, &export, &error_fatal); 3107c58bb76SPaolo Bonzini visit_free(v); 3117c58bb76SPaolo Bonzini 312060102adSKevin Wolf qmp_block_export_add(export, &error_fatal); 313143ea767SKevin Wolf qapi_free_BlockExportOptions(export); 3147c58bb76SPaolo Bonzini break; 3157c58bb76SPaolo Bonzini } 3167c58bb76SPaolo Bonzini case OPTION_MONITOR: 3177c58bb76SPaolo Bonzini { 3187c58bb76SPaolo Bonzini Visitor *v; 3197c58bb76SPaolo Bonzini MonitorOptions *monitor; 3207c58bb76SPaolo Bonzini 3217c58bb76SPaolo Bonzini v = qobject_input_visitor_new_str(optarg, "chardev", 3227c58bb76SPaolo Bonzini &error_fatal); 3237c58bb76SPaolo Bonzini visit_type_MonitorOptions(v, NULL, &monitor, &error_fatal); 3247c58bb76SPaolo Bonzini visit_free(v); 3257c58bb76SPaolo Bonzini 3267c58bb76SPaolo Bonzini /* TODO Catch duplicate monitor IDs */ 3277c58bb76SPaolo Bonzini monitor_init(monitor, false, &error_fatal); 3287c58bb76SPaolo Bonzini qapi_free_MonitorOptions(monitor); 3297c58bb76SPaolo Bonzini break; 3307c58bb76SPaolo Bonzini } 3317c58bb76SPaolo Bonzini case OPTION_NBD_SERVER: 3327c58bb76SPaolo Bonzini { 3337c58bb76SPaolo Bonzini Visitor *v; 3347c58bb76SPaolo Bonzini NbdServerOptions *options; 3357c58bb76SPaolo Bonzini 3367c58bb76SPaolo Bonzini v = qobject_input_visitor_new_str(optarg, NULL, &error_fatal); 3377c58bb76SPaolo Bonzini visit_type_NbdServerOptions(v, NULL, &options, &error_fatal); 3387c58bb76SPaolo Bonzini visit_free(v); 3397c58bb76SPaolo Bonzini 3407c58bb76SPaolo Bonzini nbd_server_start_options(options, &error_fatal); 3417c58bb76SPaolo Bonzini qapi_free_NbdServerOptions(options); 3427c58bb76SPaolo Bonzini break; 3437c58bb76SPaolo Bonzini } 3447c58bb76SPaolo Bonzini case OPTION_OBJECT: 345f3750266SKevin Wolf user_creatable_process_cmdline(optarg); 3467c58bb76SPaolo Bonzini break; 34703d2b412SStefan Hajnoczi case OPTION_PIDFILE: 34803d2b412SStefan Hajnoczi pid_file = optarg; 34903d2b412SStefan Hajnoczi break; 350a5ef3505SPaolo Bonzini case 1: 351501a4b36SPaolo Bonzini error_report("Unexpected argument"); 352a5ef3505SPaolo Bonzini exit(EXIT_FAILURE); 3537c58bb76SPaolo Bonzini default: 3547c58bb76SPaolo Bonzini g_assert_not_reached(); 3557c58bb76SPaolo Bonzini } 3567c58bb76SPaolo Bonzini } 357501a4b36SPaolo Bonzini loc_set_none(); 3587c58bb76SPaolo Bonzini } 3597c58bb76SPaolo Bonzini 36003d2b412SStefan Hajnoczi static void pid_file_cleanup(void) 36103d2b412SStefan Hajnoczi { 36203d2b412SStefan Hajnoczi unlink(pid_file); 36303d2b412SStefan Hajnoczi } 36403d2b412SStefan Hajnoczi 36503d2b412SStefan Hajnoczi static void pid_file_init(void) 36603d2b412SStefan Hajnoczi { 36703d2b412SStefan Hajnoczi Error *err = NULL; 36803d2b412SStefan Hajnoczi 36903d2b412SStefan Hajnoczi if (!pid_file) { 37003d2b412SStefan Hajnoczi return; 37103d2b412SStefan Hajnoczi } 37203d2b412SStefan Hajnoczi 37303d2b412SStefan Hajnoczi if (!qemu_write_pidfile(pid_file, &err)) { 37403d2b412SStefan Hajnoczi error_reportf_err(err, "cannot create PID file: "); 37503d2b412SStefan Hajnoczi exit(EXIT_FAILURE); 37603d2b412SStefan Hajnoczi } 37703d2b412SStefan Hajnoczi 37803d2b412SStefan Hajnoczi atexit(pid_file_cleanup); 37903d2b412SStefan Hajnoczi } 38003d2b412SStefan Hajnoczi 3817c58bb76SPaolo Bonzini int main(int argc, char *argv[]) 3827c58bb76SPaolo Bonzini { 3837c58bb76SPaolo Bonzini #ifdef CONFIG_POSIX 3847c58bb76SPaolo Bonzini signal(SIGPIPE, SIG_IGN); 3857c58bb76SPaolo Bonzini #endif 3867c58bb76SPaolo Bonzini 3877c58bb76SPaolo Bonzini error_init(argv[0]); 3887c58bb76SPaolo Bonzini qemu_init_exec_dir(argv[0]); 3897c58bb76SPaolo Bonzini os_setup_signal_handling(); 3907c58bb76SPaolo Bonzini 39179d51d73SHanna Reitz process_options(argc, argv, true); 39279d51d73SHanna Reitz 3932525edd8SHanna Reitz os_daemonize(); 3942525edd8SHanna Reitz 3957c58bb76SPaolo Bonzini module_call_init(MODULE_INIT_QOM); 3967c58bb76SPaolo Bonzini module_call_init(MODULE_INIT_TRACE); 3977c58bb76SPaolo Bonzini qemu_add_opts(&qemu_trace_opts); 3987c58bb76SPaolo Bonzini qcrypto_init(&error_fatal); 3997c58bb76SPaolo Bonzini bdrv_init(); 4007c58bb76SPaolo Bonzini monitor_init_globals_core(); 4017c58bb76SPaolo Bonzini init_qmp_commands(); 4027c58bb76SPaolo Bonzini 4037c58bb76SPaolo Bonzini if (!trace_init_backends()) { 4047c58bb76SPaolo Bonzini return EXIT_FAILURE; 4057c58bb76SPaolo Bonzini } 406c5955f4fSRichard Henderson qemu_set_log(LOG_TRACE, &error_fatal); 4077c58bb76SPaolo Bonzini 4087c58bb76SPaolo Bonzini qemu_init_main_loop(&error_fatal); 40979d51d73SHanna Reitz process_options(argc, argv, false); 4107c58bb76SPaolo Bonzini 41103d2b412SStefan Hajnoczi /* 41203d2b412SStefan Hajnoczi * Write the pid file after creating chardevs, exports, and NBD servers but 41303d2b412SStefan Hajnoczi * before accepting connections. This ordering is documented. Do not change 41403d2b412SStefan Hajnoczi * it. 41503d2b412SStefan Hajnoczi */ 41603d2b412SStefan Hajnoczi pid_file_init(); 4172525edd8SHanna Reitz os_setup_post(); 41803d2b412SStefan Hajnoczi 4197c58bb76SPaolo Bonzini while (!exit_requested) { 4207c58bb76SPaolo Bonzini main_loop_wait(false); 4217c58bb76SPaolo Bonzini } 4227c58bb76SPaolo Bonzini 4231895b977SSergio Lopez blk_exp_close_all(); 424b55a3c88SMax Reitz bdrv_drain_all_begin(); 425e2157770SKevin Wolf job_cancel_sync_all(); 426b55a3c88SMax Reitz bdrv_close_all(); 427b55a3c88SMax Reitz 4287c58bb76SPaolo Bonzini monitor_cleanup(); 4297c58bb76SPaolo Bonzini qemu_chr_cleanup(); 4307c58bb76SPaolo Bonzini user_creatable_cleanup(); 4317c58bb76SPaolo Bonzini 4327c58bb76SPaolo Bonzini return EXIT_SUCCESS; 4337c58bb76SPaolo Bonzini } 434