4  * Copyright (c) 2003-2008 Fabrice Bellard
35 #include "monitor/monitor-internal.h"
38 #include "qapi/qapi-visit-block-core.h"
39 #include "qapi/qapi-visit-block-export.h"
40 #include "qapi/qapi-visit-control.h"
43 #include "qapi/qobject-input-visitor.h"
45 #include "qemu/help-texts.h"
46 #include "qemu-version.h"
48 #include "qemu/config-file.h"
49 #include "qemu/error-report.h"
53 #include "qemu/main-loop.h"
58 #include "storage-daemon/qapi/qapi-commands.h"
59 #include "storage-daemon/qapi/qapi-init-commands.h"
64 static const char *pid_file;
65 static char *pid_file_realpath;
66 static volatile bool exit_requested = false;
78 static void help(void)  in help()
84 "  -h, --help             display this help and exit\n"  in help()
85 "  -T, --trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n"  in help()
87 "  -V, --version          output version information and exit\n"  in help()
89 "  --blockdev [driver=]<driver>[,node-name=<N>][,discard=ignore|unmap]\n"  in help()
90 "             [,cache.direct=on|off][,cache.no-flush=on|off]\n"  in help()
91 "             [,read-only=on|off][,auto-read-only=on|off]\n"  in help()
92 "             [,force-share=on|off][,detect-zeroes=on|off|unmap]\n"  in help()
96 "  --chardev <options>    configure a character device backend\n"  in help()
99 "  --daemonize            daemonize the process, and have the parent exit\n"  in help()
102 "  --export [type=]nbd,id=<id>,node-name=<node-name>[,name=<export-name>]\n"  in help()
105 "                         (requires --nbd-server)\n"  in help()
108 "  --export [type=]fuse,id=<id>,node-name=<node-name>,mountpoint=<file>\n"  in help()
109 "           [,growable=on|off][,writable=on|off][,allow-other=on|off|auto]\n"  in help()
114 "  --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,\n"  in help()
115 "           addr.type=unix,addr.path=<socket-path>[,writable=on|off]\n"  in help()
116 "           [,logical-block-size=<block-size>][,num-queues=<num-queues>]\n"  in help()
118 "                         vhost-user-blk device over UNIX domain socket\n"  in help()
119 "  --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,\n"  in help()
121 "           [,logical-block-size=<block-size>][,num-queues=<num-queues>]\n"  in help()
123 "                         vhost-user-blk device over file descriptor\n"  in help()
127 "  --export [type=]vduse-blk,id=<id>,node-name=<node-name>\n"  in help()
128 "           ,name=<vduse-name>[,writable=on|off]\n"  in help()
129 "           [,num-queues=<num-queues>][,queue-size=<queue-size>]\n"  in help()
130 "           [,logical-block-size=<logical-block-size>]\n"  in help()
131 "           [,serial=<serial-number>]\n"  in help()
133 "                         vduse-blk device\n"  in help()
136 "  --monitor [chardev=]name[,mode=control][,pretty[=on|off]]\n"  in help()
139 "  --nbd-server addr.type=inet,addr.host=<host>,addr.port=<port>\n"  in help()
140 "               [,tls-creds=<id>][,tls-authz=<id>][,max-connections=<n>]\n"  in help()
141 "  --nbd-server addr.type=unix,addr.path=<path>\n"  in help()
142 "               [,tls-creds=<id>][,tls-authz=<id>][,max-connections=<n>]\n"  in help()
145 "  --object help          list object types that can be added\n"  in help()
146 "  --object <type>,help   list properties for the given object type\n"  in help()
147 "  --object <type>[,<property>=<value>...]\n"  in help()
154 "  --pidfile <path>       write process ID to a file after startup\n"  in help()
173 static void init_qmp_commands(void)  in init_qmp_commands()
183 static int getopt_set_loc(int argc, char **argv, const char *optstring,  in getopt_set_loc()
192         loc_set_cmdline(argv, save_index, MAX(1, optind - save_index));  in getopt_set_loc()
198  * Process QSD command-line arguments.
203  * arguments pertaining to the QSD process (like --help or --daemonize)
204  * are processed.  This pass is done before most of the QEMU-specific
206  * so must only process arguments that are not really QEMU-specific.
209  * QEMU/QSD-specific arguments.  Many of these arguments are effectively
210  * translated to QMP commands (like --blockdev for blockdev-add, or
211  * --export for block-export-add).
213 static void process_options(int argc, char *argv[], bool pre_init_pass)  in process_options()
217     static const struct option long_options[] = {  in process_options()
224         {"nbd-server", required_argument, NULL, OPTION_NBD_SERVER},  in process_options()
233      * In contrast to the system emulator, QEMU-specific options are processed  in process_options()
238     while ((c = getopt_set_loc(argc, argv, "-hT:V", long_options)) != -1) {  in process_options()
241         /* Should this argument be processed in the pre-init pass? */  in process_options()
265             printf("qemu-storage-daemon version "  in process_options()
302                  * --daemonize is parsed before monitor_init_globals(), so  in process_options()
305                 fprintf(stderr, "--daemonize not supported in this build\n");  in process_options()
366 static void pid_file_cleanup(void)  in pid_file_cleanup()
371 static void pid_file_init(void)  in pid_file_init()