[libvirt] [Qemu-devel] [PATCH v4 2/2] query-command-line-options: query all the options in qemu-options.hx
Amos Kong
akong at redhat.com
Thu Mar 20 14:51:05 UTC 2014
On Thu, Mar 20, 2014 at 10:03:12PM +0800, Amos Kong wrote:
> On Fri, Mar 07, 2014 at 10:54:09AM +0100, Markus Armbruster wrote:
> > Eric Blake <eblake at redhat.com> writes:
> >
> > > On 03/05/2014 07:36 PM, Amos Kong wrote:
> > >> vm_config_groups[] only contains part of the options which have
> > >> argument, and all options which have no argument aren't added
> > >> to vm_config_groups[]. Current query-command-line-options only
> > >> checks options from vm_config_groups[], so some options will
> > >> be lost.
> > >>
> > >> We have macro in qemu-options.hx to generate a table that
> > >> contains all the options. This patch tries to query options
> > >> from the table.
> > >>
> > >> Then we won't lose the legacy options that weren't added to
> > >> vm_config_groups[] (eg: -vnc, -smbios). The options that have
> > >> no argument will also be returned (eg: -enable-fips)
> > >>
> > >> Some options that have argument have a NULL desc list, some
> > >> options don't have argument, and "parameters" is mandatory
> > >> in the past. So we add a new field "argument" to present
> > >> if the option takes unspecified arguments.
> > >
> > > I like Markus' suggestion of naming the new field
> > > 'unspecified-parameters' rather than 'argument'.
>
> Hi Markus,
>
> > Looking again, there are more problems.
> >
> > 1. Non-parameter argument vs. parameter argument taking unspecified
> > parameters
> >
> > Example: -device takes unspecified parameters. -cdrom doesn't take
> > parameters, it takes a file name. Yet, the command reports the same
> > for both: "parameters": [], "argument": true.
> >
> > Looks like we need a tri-state: option takes no argument, QemuOpts
> > argument, or other argument.
>
> '-cdrom' is the 'other argument' == 'Non-parameter argument'?
>
> We can use a enum state.
>
> | { 'enum': 'ArgumentStateType',
> | 'data': ['no-argument', 'unspecified-parameters-argument',
> | 'non-parameter-argument']
> | }
> |
> | { 'type': 'CommandLineOptionInfo',
> | 'data': { 'option': 'str', 'parameters': ['CommandLineParameterInfo'],
> | '*argument-state': 'ArgumentStateType' } }
> > parameters is [] unless it's a QemuOpts argument. Then it lists the
> > recognized parameters.
>
> How about balloon? we should treat as 'taking unspecified parameters'?
>
> "-balloon none disable balloon device\n"
> "-balloon virtio[,addr=str]\n"
I think we should treat as 'unspecified parameters'
> I think we can only check this from help message in qemu-options.hx,
> is it a stable/acceptable method?
>
> We introduce query-command-line-options command to avoid libvirt to
> check qemu commandline information by scanning qemu's help message,
> it's not strict & stable.
[not a completed patch]
diff --git a/qemu-options.h b/qemu-options.h
index 4024487..b08a6dc 100644
--- a/qemu-options.h
+++ b/qemu-options.h
@@ -41,6 +41,7 @@ typedef struct QEMUOption {
const char *name;
int flags;
int index;
+ const char *help;
uint32_t arch_mask;
} QEMUOption;
diff --git a/util/qemu-config.c b/util/qemu-config.c
index 5bc3c31..e7758e3 100644
--- a/util/qemu-config.c
+++ b/util/qemu-config.c
@@ -9,7 +9,8 @@
#include "qemu-options.h"
const QEMUOption qemu_options[] = {
- { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
+ { "h", 0, QEMU_OPTION_h, "-h or -help display this help and exit\n",
+ QEMU_ARCH_ALL },
#define QEMU_OPTIONS_GENERATE_OPTIONS
#include "qemu-options-wrapper.h"
{ NULL },
@@ -147,6 +148,7 @@ CommandLineOptionInfoList *qmp_query_command_line_options(bool has_
CommandLineOptionInfo *info;
QemuOptsList *list;
int i;
+ const char *p;
for (i = 0; qemu_options[i].name; i++) {
if (!has_option || !strcmp(option, qemu_options[i].name)) {
@@ -161,8 +163,23 @@ CommandLineOptionInfoList *qmp_query_command_line_options(bool has
}
if (!info->parameters) {
- info->has_unspecified_parameters = true;
- info->unspecified_parameters = qemu_options[i].flags & HAS_ARG;
+ info->has_argument_state = true;
+
+ if (!qemu_options[i].flags & HAS_ARG) {
+ info->argument_state = ARGUMENT_STATE_TYPE_NO_ARGUMENT;
+ } else {
+ info->argument_state =
+ ARGUMENT_STATE_TYPE_NO_PARAMETER_ARGUMENT;
+ }
+
+ p = qemu_options[i].help;
+ while (*p) {
+ if (*p != ' ' && *(p + 1) == '[') {
^^^^^
I know the string matching in while loop is too crude ;-) we can make it strict.
+ info->argument_state =
+ ARGUMENT_STATE_TYPE_UNSPECIFIED_PARAMETERS_ARGUMENT;
+ }
+ p += 1;
+ }
}
entry = g_malloc0(sizeof(*entry));
===================== query command output ============
{
"return": [
{
"parameters": [
{
"name": "timestamp",
"type": "boolean"
}
],
"option": "msg"
},
{
"parameters": [
],
"option": "object",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "tdf",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "no-kvm-irqchip",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "no-kvm-pit",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "no-kvm-pit-reinjection",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "no-kvm",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "enable-fips",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "qtest-log",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "qtest",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "file",
"type": "string"
},
{
"name": "events",
"type": "string"
}
],
"option": "trace"
},
{
"parameters": [
],
"option": "no-user-config",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "nodefconfig",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "writeconfig",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "readconfig",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "enable",
"type": "boolean"
}
],
"option": "sandbox"
},
{
"parameters": [
],
"option": "old-param",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "semihosting",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "prom-env",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "runas",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "chroot",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "nodefaults",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "incoming",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "tb-size",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "show-cursor",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "virtioconsole",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "echr",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "watchdog-action",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "watchdog",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "icount",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "driftfix",
"type": "string"
},
{
"name": "clock",
"type": "string"
},
{
"name": "base",
"type": "string"
}
],
"option": "rtc"
},
{
"parameters": [
],
"option": "startdate",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "localtime",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "clock",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "romfile",
"type": "string"
},
{
"name": "bootindex",
"type": "number"
}
],
"option": "option-rom"
},
{
"parameters": [
],
"option": "daemonize",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "loadvm",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "no-shutdown",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "no-reboot",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "xen-attach",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "xen-create",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "xen-domid",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "enable-kvm",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "bios",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "L",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "D",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "d",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "s",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "gdb",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "mlock",
"type": "boolean"
}
],
"option": "realtime"
},
{
"parameters": [
],
"option": "S",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "singlestep",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "pidfile",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "debugcon",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "pretty",
"type": "boolean"
},
{
"name": "default",
"type": "boolean"
},
{
"name": "chardev",
"type": "string"
},
{
"name": "mode",
"type": "string"
}
],
"option": "mon"
},
{
"parameters": [
],
"option": "qmp",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "monitor",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "parallel",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "serial",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "dtb",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "initrd",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "append",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "kernel",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "bt",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
{
"name": "initiator-name",
"help": "Initiator iqn name to use when connecting",
"type": "string"
},
{
"name": "header-digest",
"help": "HeaderDigest setting. {CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
"type": "string"
},
{
"name": "password",
"help": "password for CHAP authentication to target",
"type": "string"
},
{
"name": "user",
"help": "username for CHAP authentication to target",
"type": "string"
}
],
"option": "iscsi"
},
{
"parameters": [
{
"name": "chardev",
"type": "string"
},
{
"name": "size",
"type": "size"
},
{
"name": "debug",
"type": "number"
},
{
"name": "name",
"type": "string"
},
{
"name": "signal",
"type": "boolean"
},
{
"name": "mux",
"type": "boolean"
},
{
"name": "rows",
"type": "number"
},
{
"name": "cols",
"type": "number"
},
{
"name": "height",
"type": "number"
},
{
"name": "width",
"type": "number"
},
{
"name": "telnet",
"type": "boolean"
},
{
"name": "delay",
"type": "boolean"
},
{
"name": "server",
"type": "boolean"
},
{
"name": "wait",
"type": "boolean"
},
{
"name": "ipv6",
"type": "boolean"
},
{
"name": "ipv4",
"type": "boolean"
},
{
"name": "to",
"type": "number"
},
{
"name": "localport",
"type": "string"
},
{
"name": "localaddr",
"type": "string"
},
{
"name": "port",
"type": "string"
},
{
"name": "host",
"type": "string"
},
{
"name": "path",
"type": "string"
},
{
"name": "backend",
"type": "string"
}
],
"option": "chardev"
},
{
"parameters": [
],
"option": "netdev",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "net",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "smb",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "redir",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "bootp",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "tftp",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "smbios",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "acpitable",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "no-hpet",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "no-acpi",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "no-fd-bootchk",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "rtc-td-hack",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "win2k-hack",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "vnc",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "g",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "full-screen",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "vga",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "rotate",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "portrait",
"argument-state": "no-argument"
},
{
"parameters": [
{
"name": "seamless-migration",
"type": "boolean"
},
{
"name": "playback-compression",
"type": "boolean"
},
{
"name": "agent-mouse",
"type": "boolean"
},
{
"name": "streaming-video",
"type": "string"
},
{
"name": "zlib-glz-wan-compression",
"type": "string"
},
{
"name": "jpeg-wan-compression",
"type": "string"
},
{
"name": "image-compression",
"type": "string"
},
{
"name": "plaintext-channel",
"type": "string"
},
{
"name": "tls-channel",
"type": "string"
},
{
"name": "tls-ciphers",
"type": "string"
},
{
"name": "x509-dh-key-file",
"type": "string"
},
{
"name": "x509-cacert-file",
"type": "string"
},
{
"name": "x509-cert-file",
"type": "string"
},
{
"name": "x509-key-password",
"type": "string"
},
{
"name": "x509-key-file",
"type": "string"
},
{
"name": "x509-dir",
"type": "string"
},
{
"name": "sasl",
"type": "boolean"
},
{
"name": "disable-agent-file-xfer",
"type": "boolean"
},
{
"name": "disable-copy-paste",
"type": "boolean"
},
{
"name": "disable-ticketing",
"type": "boolean"
},
{
"name": "password",
"type": "string"
},
{
"name": "ipv6",
"type": "boolean"
},
{
"name": "ipv4",
"type": "boolean"
},
{
"name": "addr",
"type": "string"
},
{
"name": "tls-port",
"type": "number"
},
{
"name": "port",
"type": "number"
}
],
"option": "spice"
},
{
"parameters": [
],
"option": "sdl",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "no-quit",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "ctrl-grab",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "alt-grab",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "no-frame",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "curses",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "nographic",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "display",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "usbdevice",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "usb",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "virtfs_synth",
"argument-state": "no-argument"
},
{
"parameters": [
{
"name": "sock_fd",
"type": "number"
},
{
"name": "socket",
"type": "string"
},
{
"name": "readonly",
"type": "boolean"
},
{
"name": "writeout",
"type": "string"
},
{
"name": "security_model",
"type": "string"
},
{
"name": "mount_tag",
"type": "string"
},
{
"name": "path",
"type": "string"
},
{
"name": "fsdriver",
"type": "string"
}
],
"option": "virtfs"
},
{
"parameters": [
{
"name": "sock_fd",
"type": "number"
},
{
"name": "socket",
"type": "string"
},
{
"name": "readonly",
"type": "boolean"
},
{
"name": "writeout",
"type": "string"
},
{
"name": "security_model",
"type": "string"
},
{
"name": "path",
"type": "string"
},
{
"name": "fsdriver",
"type": "string"
}
],
"option": "fsdev"
},
{
"parameters": [
],
"option": "hdachs",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "snapshot",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "pflash",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "sd",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "mtdblock",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "copy-on-read",
"help": "copy read data from backing file into image file",
"type": "boolean"
},
{
"name": "werror",
"help": "write error action",
"type": "string"
},
{
"name": "rerror",
"help": "read error action",
"type": "string"
},
{
"name": "read-only",
"help": "open drive file as read-only",
"type": "boolean"
},
{
"name": "file",
"help": "file name",
"type": "string"
},
{
"name": "addr",
"help": "pci address (virtio only)",
"type": "string"
},
{
"name": "boot",
"help": "(deprecated, ignored)",
"type": "boolean"
},
{
"name": "trans",
"help": "chs translation (auto, lba, none)",
"type": "string"
},
{
"name": "secs",
"help": "number of sectors (ide disk geometry)",
"type": "number"
},
{
"name": "heads",
"help": "number of heads (ide disk geometry)",
"type": "number"
},
{
"name": "cyls",
"help": "number of cylinders (ide disk geometry)",
"type": "number"
},
{
"name": "if",
"help": "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
"type": "string"
},
{
"name": "media",
"help": "media type (disk, cdrom)",
"type": "string"
},
{
"name": "index",
"help": "index number",
"type": "number"
},
{
"name": "unit",
"help": "unit number (i.e. lun for scsi)",
"type": "number"
},
{
"name": "bus",
"help": "bus number",
"type": "number"
},
{
"name": "throttling.iops-size",
"help": "when limiting by iops max size of an I/O in bytes",
"type": "number"
},
{
"name": "throttling.bps-write-max",
"help": "total bytes write burst",
"type": "number"
},
{
"name": "throttling.bps-read-max",
"help": "total bytes read burst",
"type": "number"
},
{
"name": "throttling.bps-total-max",
"help": "total bytes burst",
"type": "number"
},
{
"name": "throttling.iops-write-max",
"help": "I/O operations write burst",
"type": "number"
},
{
"name": "throttling.iops-read-max",
"help": "I/O operations read burst",
"type": "number"
},
{
"name": "throttling.iops-total-max",
"help": "I/O operations burst",
"type": "number"
},
{
"name": "throttling.bps-write",
"help": "limit write bytes per second",
"type": "number"
},
{
"name": "throttling.bps-read",
"help": "limit read bytes per second",
"type": "number"
},
{
"name": "throttling.bps-total",
"help": "limit total bytes per second",
"type": "number"
},
{
"name": "throttling.iops-write",
"help": "limit write operations per second",
"type": "number"
},
{
"name": "throttling.iops-read",
"help": "limit read operations per second",
"type": "number"
},
{
"name": "throttling.iops-total",
"help": "limit total I/O operations per second",
"type": "number"
},
{
"name": "werror",
"help": "write error action",
"type": "string"
},
{
"name": "serial",
"help": "disk serial number",
"type": "string"
},
{
"name": "format",
"help": "disk format (raw, qcow2, ...)",
"type": "string"
},
{
"name": "aio",
"help": "host AIO implementation (threads, native)",
"type": "string"
},
{
"name": "cache.no-flush",
"help": "ignore any flush requests for the device",
"type": "boolean"
},
{
"name": "cache.direct",
"help": "enables use of O_DIRECT (bypass the host page cache)",
"type": "boolean"
},
{
"name": "cache.writeback",
"help": "enables writeback mode for any caches",
"type": "boolean"
},
{
"name": "discard",
"help": "discard operation (ignore/off, unmap/on)",
"type": "string"
},
{
"name": "snapshot",
"help": "enable/disable snapshot mode",
"type": "boolean"
}
],
"option": "drive"
},
{
"parameters": [
],
"option": "cdrom",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "hdd",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "hdc",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "hdb",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "hda",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "fdb",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "fda",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "uuid",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "debug-threads",
"help": "When enabled, name the individual threads; defaults off.\nNOTE: The thread names are for debugging and not a\nstable API.",
"type": "boolean"
},
{
"name": "process",
"help": "Sets the name of the QEMU process, as shown in top etc",
"type": "string"
},
{
"name": "guest",
"help": "Sets the name of the guest.\nThis name will be displayed in the SDL window caption.\nThe name will also be used for the VNC server",
"type": "string"
}
],
"option": "name"
},
{
"parameters": [
],
"option": "device",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "balloon",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
],
"option": "soundhw",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "audio-help",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "k",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "mem-prealloc",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "mem-path",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "m",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "strict",
"type": "boolean"
},
{
"name": "reboot-timeout",
"type": "string"
},
{
"name": "splash-time",
"type": "string"
},
{
"name": "splash",
"type": "string"
},
{
"name": "menu",
"type": "boolean"
},
{
"name": "once",
"type": "string"
},
{
"name": "order",
"type": "string"
}
],
"option": "boot"
},
{
"parameters": [
{
"name": "value",
"type": "string"
},
{
"name": "property",
"type": "string"
},
{
"name": "driver",
"type": "string"
}
],
"option": "global"
},
{
"parameters": [
],
"option": "set",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "opaque",
"help": "free-form string used to describe fd",
"type": "string"
},
{
"name": "set",
"help": "ID of the fd set to add fd to",
"type": "number"
},
{
"name": "fd",
"help": "file descriptor of which a duplicate is added to fd set",
"type": "number"
}
],
"option": "add-fd"
},
{
"parameters": [
],
"option": "numa",
"argument-state": "unspecified-parameters-argument"
},
{
"parameters": [
{
"name": "maxcpus",
"type": "number"
},
{
"name": "threads",
"type": "number"
},
{
"name": "cores",
"type": "number"
},
{
"name": "sockets",
"type": "number"
},
{
"name": "cpus",
"type": "number"
}
],
"option": "smp"
},
{
"parameters": [
],
"option": "cpu",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
],
"option": "M",
"argument-state": "no-parameter-argument"
},
{
"parameters": [
{
"name": "kvm-type",
"help": "Specifies the KVM virtualization mode (HV, PR)",
"type": "string"
},
{
"name": "firmware",
"help": "firmware image",
"type": "string"
},
{
"name": "usb",
"help": "Set on/off to enable/disable usb",
"type": "boolean"
},
{
"name": "mem-merge",
"help": "enable/disable memory merge support",
"type": "boolean"
},
{
"name": "dump-guest-core",
"help": "Include guest memory in a core dump",
"type": "boolean"
},
{
"name": "dt_compatible",
"help": "Overrides the \"compatible\" property of the dt root node",
"type": "string"
},
{
"name": "phandle_start",
"help": "The first phandle ID we may generate dynamically",
"type": "number"
},
{
"name": "dumpdtb",
"help": "Dump current dtb to a file and quit",
"type": "string"
},
{
"name": "dtb",
"help": "Linux kernel device tree file",
"type": "string"
},
{
"name": "append",
"help": "Linux kernel command line",
"type": "string"
},
{
"name": "initrd",
"help": "Linux initial ramdisk file",
"type": "string"
},
{
"name": "kernel",
"help": "Linux kernel image file",
"type": "string"
},
{
"name": "kvm_shadow_mem",
"help": "KVM shadow MMU size",
"type": "size"
},
{
"name": "kernel_irqchip",
"help": "use KVM in-kernel irqchip",
"type": "boolean"
},
{
"name": "accel",
"help": "accelerator list",
"type": "string"
},
{
"name": "type",
"help": "emulated machine",
"type": "string"
}
],
"option": "machine"
},
{
"parameters": [
],
"option": "version",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "help",
"argument-state": "no-argument"
},
{
"parameters": [
],
"option": "h",
"argument-state": "no-argument"
}
]
}
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