root / qemu-config.c @ 511c68d3
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| 1 |
#include "qemu-common.h" |
|---|---|
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#include "qemu-error.h" |
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#include "qemu-option.h" |
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#include "qemu-config.h" |
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#include "hw/qdev.h" |
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#include "error.h" |
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|
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static QemuOptsList qemu_drive_opts = {
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.name = "drive",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head), |
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.desc = {
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{
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.name = "bus",
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.type = QEMU_OPT_NUMBER, |
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.help = "bus number",
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},{
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.name = "unit",
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.type = QEMU_OPT_NUMBER, |
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.help = "unit number (i.e. lun for scsi)",
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},{
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.name = "if",
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.type = QEMU_OPT_STRING, |
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.help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
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},{
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.name = "index",
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.type = QEMU_OPT_NUMBER, |
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.help = "index number",
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},{
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.name = "cyls",
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.type = QEMU_OPT_NUMBER, |
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.help = "number of cylinders (ide disk geometry)",
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},{
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.name = "heads",
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.type = QEMU_OPT_NUMBER, |
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.help = "number of heads (ide disk geometry)",
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},{
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.name = "secs",
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.type = QEMU_OPT_NUMBER, |
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.help = "number of sectors (ide disk geometry)",
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},{
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.name = "trans",
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.type = QEMU_OPT_STRING, |
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.help = "chs translation (auto, lba. none)",
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},{
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.name = "media",
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.type = QEMU_OPT_STRING, |
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.help = "media type (disk, cdrom)",
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},{
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.name = "snapshot",
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.type = QEMU_OPT_BOOL, |
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.help = "enable/disable snapshot mode",
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},{
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.name = "file",
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.type = QEMU_OPT_STRING, |
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.help = "disk image",
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},{
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.name = "cache",
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.type = QEMU_OPT_STRING, |
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.help = "host cache usage (none, writeback, writethrough, "
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"directsync, unsafe)",
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},{
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.name = "aio",
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.type = QEMU_OPT_STRING, |
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.help = "host AIO implementation (threads, native)",
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},{
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.name = "format",
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.type = QEMU_OPT_STRING, |
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.help = "disk format (raw, qcow2, ...)",
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},{
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.name = "serial",
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.type = QEMU_OPT_STRING, |
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.help = "disk serial number",
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},{
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.name = "rerror",
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.type = QEMU_OPT_STRING, |
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.help = "read error action",
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},{
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.name = "werror",
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.type = QEMU_OPT_STRING, |
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.help = "write error action",
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},{
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.name = "addr",
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.type = QEMU_OPT_STRING, |
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.help = "pci address (virtio only)",
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},{
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.name = "readonly",
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.type = QEMU_OPT_BOOL, |
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.help = "open drive file as read-only",
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},{
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.name = "iops",
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.type = QEMU_OPT_NUMBER, |
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.help = "limit total I/O operations per second",
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},{
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.name = "iops_rd",
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.type = QEMU_OPT_NUMBER, |
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.help = "limit read operations per second",
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},{
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.name = "iops_wr",
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.type = QEMU_OPT_NUMBER, |
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.help = "limit write operations per second",
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},{
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.name = "bps",
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.type = QEMU_OPT_NUMBER, |
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.help = "limit total bytes per second",
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},{
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.name = "bps_rd",
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.type = QEMU_OPT_NUMBER, |
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.help = "limit read bytes per second",
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},{
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.name = "bps_wr",
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.type = QEMU_OPT_NUMBER, |
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.help = "limit write bytes per second",
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},{
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.name = "copy-on-read",
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.type = QEMU_OPT_BOOL, |
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.help = "copy read data from backing file into image file",
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},{
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.name = "boot",
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.type = QEMU_OPT_BOOL, |
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.help = "(deprecated, ignored)",
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}, |
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{ /* end of list */ }
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}, |
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}; |
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static QemuOptsList qemu_iscsi_opts = {
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.name = "iscsi",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head), |
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.desc = {
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{
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.name = "user",
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.type = QEMU_OPT_STRING, |
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.help = "username for CHAP authentication to target",
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},{
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.name = "password",
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.type = QEMU_OPT_STRING, |
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.help = "password for CHAP authentication to target",
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},{
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.name = "header-digest",
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.type = QEMU_OPT_STRING, |
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.help = "HeaderDigest setting. "
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"{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
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},{
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.name = "initiator-name",
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.type = QEMU_OPT_STRING, |
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.help = "Initiator iqn name to use when connecting",
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}, |
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{ /* end of list */ }
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}, |
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}; |
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static QemuOptsList qemu_chardev_opts = {
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.name = "chardev",
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.implied_opt_name = "backend",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head), |
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.desc = {
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{
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.name = "backend",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "path",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "host",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "port",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "localaddr",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "localport",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "to",
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.type = QEMU_OPT_NUMBER, |
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},{
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.name = "ipv4",
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.type = QEMU_OPT_BOOL, |
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},{
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.name = "ipv6",
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.type = QEMU_OPT_BOOL, |
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},{
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.name = "wait",
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.type = QEMU_OPT_BOOL, |
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},{
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.name = "server",
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.type = QEMU_OPT_BOOL, |
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},{
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.name = "delay",
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.type = QEMU_OPT_BOOL, |
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},{
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.name = "telnet",
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.type = QEMU_OPT_BOOL, |
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},{
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.name = "width",
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.type = QEMU_OPT_NUMBER, |
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},{
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.name = "height",
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.type = QEMU_OPT_NUMBER, |
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},{
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.name = "cols",
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.type = QEMU_OPT_NUMBER, |
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},{
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.name = "rows",
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.type = QEMU_OPT_NUMBER, |
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},{
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.name = "mux",
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.type = QEMU_OPT_BOOL, |
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},{
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.name = "signal",
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.type = QEMU_OPT_BOOL, |
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},{
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.name = "name",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "debug",
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.type = QEMU_OPT_NUMBER, |
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}, |
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{ /* end of list */ }
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}, |
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}; |
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QemuOptsList qemu_fsdev_opts = {
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.name = "fsdev",
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.implied_opt_name = "fsdriver",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head), |
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.desc = {
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{
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.name = "fsdriver",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "path",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "security_model",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "writeout",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "readonly",
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.type = QEMU_OPT_BOOL, |
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}, {
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.name = "socket",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "sock_fd",
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.type = QEMU_OPT_NUMBER, |
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}, |
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{ /*End of list */ }
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}, |
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}; |
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QemuOptsList qemu_virtfs_opts = {
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.name = "virtfs",
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.implied_opt_name = "fsdriver",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts.head), |
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.desc = {
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{
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.name = "fsdriver",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "path",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "mount_tag",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "security_model",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "writeout",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "readonly",
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.type = QEMU_OPT_BOOL, |
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}, {
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.name = "socket",
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.type = QEMU_OPT_STRING, |
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}, {
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.name = "sock_fd",
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.type = QEMU_OPT_NUMBER, |
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}, |
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{ /*End of list */ }
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}, |
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}; |
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static QemuOptsList qemu_device_opts = {
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.name = "device",
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.implied_opt_name = "driver",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), |
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.desc = {
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/*
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* no elements => accept any
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* sanity checking will happen later
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* when setting device properties
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*/
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{ /* end of list */ }
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}, |
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}; |
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static QemuOptsList qemu_netdev_opts = {
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.name = "netdev",
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.implied_opt_name = "type",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head), |
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.desc = {
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/*
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* no elements => accept any params
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* validation will happen later
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*/
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{ /* end of list */ }
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}, |
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}; |
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static QemuOptsList qemu_net_opts = {
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.name = "net",
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.implied_opt_name = "type",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head), |
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.desc = {
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/*
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* no elements => accept any params
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* validation will happen later
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*/
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{ /* end of list */ }
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}, |
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}; |
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static QemuOptsList qemu_rtc_opts = {
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.name = "rtc",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), |
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.desc = {
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{
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.name = "base",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "clock",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "driftfix",
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.type = QEMU_OPT_STRING, |
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}, |
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{ /* end of list */ }
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}, |
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}; |
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static QemuOptsList qemu_global_opts = {
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.name = "global",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), |
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.desc = {
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{
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.name = "driver",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "property",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "value",
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.type = QEMU_OPT_STRING, |
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}, |
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{ /* end of list */ }
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}, |
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}; |
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QemuOptsList qemu_sandbox_opts = {
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.name = "sandbox",
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.implied_opt_name = "enable",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head), |
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.desc = {
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{
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.name = "enable",
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.type = QEMU_OPT_BOOL, |
| 377 |
}, |
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{ /* end of list */ }
|
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}, |
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}; |
| 381 |
|
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static QemuOptsList qemu_mon_opts = {
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.name = "mon",
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.implied_opt_name = "chardev",
|
| 385 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head), |
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.desc = {
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{
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.name = "mode",
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.type = QEMU_OPT_STRING, |
| 390 |
},{
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| 391 |
.name = "chardev",
|
| 392 |
.type = QEMU_OPT_STRING, |
| 393 |
},{
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| 394 |
.name = "default",
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| 395 |
.type = QEMU_OPT_BOOL, |
| 396 |
},{
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| 397 |
.name = "pretty",
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.type = QEMU_OPT_BOOL, |
| 399 |
}, |
| 400 |
{ /* end of list */ }
|
| 401 |
}, |
| 402 |
}; |
| 403 |
|
| 404 |
static QemuOptsList qemu_trace_opts = {
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| 405 |
.name = "trace",
|
| 406 |
.implied_opt_name = "trace",
|
| 407 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head), |
| 408 |
.desc = {
|
| 409 |
{
|
| 410 |
.name = "events",
|
| 411 |
.type = QEMU_OPT_STRING, |
| 412 |
},{
|
| 413 |
.name = "file",
|
| 414 |
.type = QEMU_OPT_STRING, |
| 415 |
}, |
| 416 |
{ /* end of list */ }
|
| 417 |
}, |
| 418 |
}; |
| 419 |
|
| 420 |
QemuOptsList qemu_spice_opts = {
|
| 421 |
.name = "spice",
|
| 422 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), |
| 423 |
.desc = {
|
| 424 |
{
|
| 425 |
.name = "port",
|
| 426 |
.type = QEMU_OPT_NUMBER, |
| 427 |
},{
|
| 428 |
.name = "tls-port",
|
| 429 |
.type = QEMU_OPT_NUMBER, |
| 430 |
},{
|
| 431 |
.name = "addr",
|
| 432 |
.type = QEMU_OPT_STRING, |
| 433 |
},{
|
| 434 |
.name = "ipv4",
|
| 435 |
.type = QEMU_OPT_BOOL, |
| 436 |
},{
|
| 437 |
.name = "ipv6",
|
| 438 |
.type = QEMU_OPT_BOOL, |
| 439 |
},{
|
| 440 |
.name = "password",
|
| 441 |
.type = QEMU_OPT_STRING, |
| 442 |
},{
|
| 443 |
.name = "disable-ticketing",
|
| 444 |
.type = QEMU_OPT_BOOL, |
| 445 |
},{
|
| 446 |
.name = "disable-copy-paste",
|
| 447 |
.type = QEMU_OPT_BOOL, |
| 448 |
},{
|
| 449 |
.name = "sasl",
|
| 450 |
.type = QEMU_OPT_BOOL, |
| 451 |
},{
|
| 452 |
.name = "x509-dir",
|
| 453 |
.type = QEMU_OPT_STRING, |
| 454 |
},{
|
| 455 |
.name = "x509-key-file",
|
| 456 |
.type = QEMU_OPT_STRING, |
| 457 |
},{
|
| 458 |
.name = "x509-key-password",
|
| 459 |
.type = QEMU_OPT_STRING, |
| 460 |
},{
|
| 461 |
.name = "x509-cert-file",
|
| 462 |
.type = QEMU_OPT_STRING, |
| 463 |
},{
|
| 464 |
.name = "x509-cacert-file",
|
| 465 |
.type = QEMU_OPT_STRING, |
| 466 |
},{
|
| 467 |
.name = "x509-dh-key-file",
|
| 468 |
.type = QEMU_OPT_STRING, |
| 469 |
},{
|
| 470 |
.name = "tls-ciphers",
|
| 471 |
.type = QEMU_OPT_STRING, |
| 472 |
},{
|
| 473 |
.name = "tls-channel",
|
| 474 |
.type = QEMU_OPT_STRING, |
| 475 |
},{
|
| 476 |
.name = "plaintext-channel",
|
| 477 |
.type = QEMU_OPT_STRING, |
| 478 |
},{
|
| 479 |
.name = "image-compression",
|
| 480 |
.type = QEMU_OPT_STRING, |
| 481 |
},{
|
| 482 |
.name = "jpeg-wan-compression",
|
| 483 |
.type = QEMU_OPT_STRING, |
| 484 |
},{
|
| 485 |
.name = "zlib-glz-wan-compression",
|
| 486 |
.type = QEMU_OPT_STRING, |
| 487 |
},{
|
| 488 |
.name = "streaming-video",
|
| 489 |
.type = QEMU_OPT_STRING, |
| 490 |
},{
|
| 491 |
.name = "agent-mouse",
|
| 492 |
.type = QEMU_OPT_BOOL, |
| 493 |
},{
|
| 494 |
.name = "playback-compression",
|
| 495 |
.type = QEMU_OPT_BOOL, |
| 496 |
}, {
|
| 497 |
.name = "seamless-migration",
|
| 498 |
.type = QEMU_OPT_BOOL, |
| 499 |
}, |
| 500 |
{ /* end of list */ }
|
| 501 |
}, |
| 502 |
}; |
| 503 |
|
| 504 |
QemuOptsList qemu_option_rom_opts = {
|
| 505 |
.name = "option-rom",
|
| 506 |
.implied_opt_name = "romfile",
|
| 507 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head), |
| 508 |
.desc = {
|
| 509 |
{
|
| 510 |
.name = "bootindex",
|
| 511 |
.type = QEMU_OPT_NUMBER, |
| 512 |
}, {
|
| 513 |
.name = "romfile",
|
| 514 |
.type = QEMU_OPT_STRING, |
| 515 |
}, |
| 516 |
{ /* end of list */ }
|
| 517 |
}, |
| 518 |
}; |
| 519 |
|
| 520 |
static QemuOptsList qemu_machine_opts = {
|
| 521 |
.name = "machine",
|
| 522 |
.implied_opt_name = "type",
|
| 523 |
.merge_lists = true,
|
| 524 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head), |
| 525 |
.desc = {
|
| 526 |
{
|
| 527 |
.name = "type",
|
| 528 |
.type = QEMU_OPT_STRING, |
| 529 |
.help = "emulated machine"
|
| 530 |
}, {
|
| 531 |
.name = "accel",
|
| 532 |
.type = QEMU_OPT_STRING, |
| 533 |
.help = "accelerator list",
|
| 534 |
}, {
|
| 535 |
.name = "kernel_irqchip",
|
| 536 |
.type = QEMU_OPT_BOOL, |
| 537 |
.help = "use KVM in-kernel irqchip",
|
| 538 |
}, {
|
| 539 |
.name = "kvm_shadow_mem",
|
| 540 |
.type = QEMU_OPT_SIZE, |
| 541 |
.help = "KVM shadow MMU size",
|
| 542 |
}, {
|
| 543 |
.name = "kernel",
|
| 544 |
.type = QEMU_OPT_STRING, |
| 545 |
.help = "Linux kernel image file",
|
| 546 |
}, {
|
| 547 |
.name = "initrd",
|
| 548 |
.type = QEMU_OPT_STRING, |
| 549 |
.help = "Linux initial ramdisk file",
|
| 550 |
}, {
|
| 551 |
.name = "append",
|
| 552 |
.type = QEMU_OPT_STRING, |
| 553 |
.help = "Linux kernel command line",
|
| 554 |
}, {
|
| 555 |
.name = "dtb",
|
| 556 |
.type = QEMU_OPT_STRING, |
| 557 |
.help = "Linux kernel device tree file",
|
| 558 |
}, {
|
| 559 |
.name = "dumpdtb",
|
| 560 |
.type = QEMU_OPT_STRING, |
| 561 |
.help = "Dump current dtb to a file and quit",
|
| 562 |
}, {
|
| 563 |
.name = "phandle_start",
|
| 564 |
.type = QEMU_OPT_STRING, |
| 565 |
.help = "The first phandle ID we may generate dynamically",
|
| 566 |
}, {
|
| 567 |
.name = "dt_compatible",
|
| 568 |
.type = QEMU_OPT_STRING, |
| 569 |
.help = "Overrides the \"compatible\" property of the dt root node",
|
| 570 |
}, {
|
| 571 |
.name = "dump-guest-core",
|
| 572 |
.type = QEMU_OPT_BOOL, |
| 573 |
.help = "Include guest memory in a core dump",
|
| 574 |
}, {
|
| 575 |
.name = "mem-merge",
|
| 576 |
.type = QEMU_OPT_BOOL, |
| 577 |
.help = "enable/disable memory merge support",
|
| 578 |
},{
|
| 579 |
.name = "usb",
|
| 580 |
.type = QEMU_OPT_BOOL, |
| 581 |
.help = "Set on/off to enable/disable usb",
|
| 582 |
}, |
| 583 |
{ /* End of list */ }
|
| 584 |
}, |
| 585 |
}; |
| 586 |
|
| 587 |
QemuOptsList qemu_boot_opts = {
|
| 588 |
.name = "boot-opts",
|
| 589 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head), |
| 590 |
.desc = {
|
| 591 |
/* the three names below are not used now */
|
| 592 |
{
|
| 593 |
.name = "order",
|
| 594 |
.type = QEMU_OPT_STRING, |
| 595 |
}, {
|
| 596 |
.name = "once",
|
| 597 |
.type = QEMU_OPT_STRING, |
| 598 |
}, {
|
| 599 |
.name = "menu",
|
| 600 |
.type = QEMU_OPT_STRING, |
| 601 |
/* following are really used */
|
| 602 |
}, {
|
| 603 |
.name = "splash",
|
| 604 |
.type = QEMU_OPT_STRING, |
| 605 |
}, {
|
| 606 |
.name = "splash-time",
|
| 607 |
.type = QEMU_OPT_STRING, |
| 608 |
}, {
|
| 609 |
.name = "reboot-timeout",
|
| 610 |
.type = QEMU_OPT_STRING, |
| 611 |
}, |
| 612 |
{ /*End of list */ }
|
| 613 |
}, |
| 614 |
}; |
| 615 |
|
| 616 |
static QemuOptsList qemu_add_fd_opts = {
|
| 617 |
.name = "add-fd",
|
| 618 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head), |
| 619 |
.desc = {
|
| 620 |
{
|
| 621 |
.name = "fd",
|
| 622 |
.type = QEMU_OPT_NUMBER, |
| 623 |
.help = "file descriptor of which a duplicate is added to fd set",
|
| 624 |
},{
|
| 625 |
.name = "set",
|
| 626 |
.type = QEMU_OPT_NUMBER, |
| 627 |
.help = "ID of the fd set to add fd to",
|
| 628 |
},{
|
| 629 |
.name = "opaque",
|
| 630 |
.type = QEMU_OPT_STRING, |
| 631 |
.help = "free-form string used to describe fd",
|
| 632 |
}, |
| 633 |
{ /* end of list */ }
|
| 634 |
}, |
| 635 |
}; |
| 636 |
|
| 637 |
static QemuOptsList qemu_object_opts = {
|
| 638 |
.name = "object",
|
| 639 |
.implied_opt_name = "qom-type",
|
| 640 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), |
| 641 |
.desc = {
|
| 642 |
{ }
|
| 643 |
}, |
| 644 |
}; |
| 645 |
|
| 646 |
static QemuOptsList *vm_config_groups[32] = { |
| 647 |
&qemu_drive_opts, |
| 648 |
&qemu_chardev_opts, |
| 649 |
&qemu_device_opts, |
| 650 |
&qemu_netdev_opts, |
| 651 |
&qemu_net_opts, |
| 652 |
&qemu_rtc_opts, |
| 653 |
&qemu_global_opts, |
| 654 |
&qemu_mon_opts, |
| 655 |
&qemu_trace_opts, |
| 656 |
&qemu_option_rom_opts, |
| 657 |
&qemu_machine_opts, |
| 658 |
&qemu_boot_opts, |
| 659 |
&qemu_iscsi_opts, |
| 660 |
&qemu_sandbox_opts, |
| 661 |
&qemu_add_fd_opts, |
| 662 |
&qemu_object_opts, |
| 663 |
NULL,
|
| 664 |
}; |
| 665 |
|
| 666 |
static QemuOptsList *find_list(QemuOptsList **lists, const char *group, |
| 667 |
Error **errp) |
| 668 |
{
|
| 669 |
int i;
|
| 670 |
|
| 671 |
for (i = 0; lists[i] != NULL; i++) { |
| 672 |
if (strcmp(lists[i]->name, group) == 0) |
| 673 |
break;
|
| 674 |
} |
| 675 |
if (lists[i] == NULL) { |
| 676 |
error_set(errp, QERR_INVALID_OPTION_GROUP, group); |
| 677 |
} |
| 678 |
return lists[i];
|
| 679 |
} |
| 680 |
|
| 681 |
QemuOptsList *qemu_find_opts(const char *group) |
| 682 |
{
|
| 683 |
QemuOptsList *ret; |
| 684 |
Error *local_err = NULL;
|
| 685 |
|
| 686 |
ret = find_list(vm_config_groups, group, &local_err); |
| 687 |
if (error_is_set(&local_err)) {
|
| 688 |
error_report("%s\n", error_get_pretty(local_err));
|
| 689 |
error_free(local_err); |
| 690 |
} |
| 691 |
|
| 692 |
return ret;
|
| 693 |
} |
| 694 |
|
| 695 |
QemuOptsList *qemu_find_opts_err(const char *group, Error **errp) |
| 696 |
{
|
| 697 |
return find_list(vm_config_groups, group, errp);
|
| 698 |
} |
| 699 |
|
| 700 |
void qemu_add_opts(QemuOptsList *list)
|
| 701 |
{
|
| 702 |
int entries, i;
|
| 703 |
|
| 704 |
entries = ARRAY_SIZE(vm_config_groups); |
| 705 |
entries--; /* keep list NULL terminated */
|
| 706 |
for (i = 0; i < entries; i++) { |
| 707 |
if (vm_config_groups[i] == NULL) { |
| 708 |
vm_config_groups[i] = list; |
| 709 |
return;
|
| 710 |
} |
| 711 |
} |
| 712 |
fprintf(stderr, "ran out of space in vm_config_groups");
|
| 713 |
abort(); |
| 714 |
} |
| 715 |
|
| 716 |
int qemu_set_option(const char *str) |
| 717 |
{
|
| 718 |
char group[64], id[64], arg[64]; |
| 719 |
QemuOptsList *list; |
| 720 |
QemuOpts *opts; |
| 721 |
int rc, offset;
|
| 722 |
|
| 723 |
rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
|
| 724 |
if (rc < 3 || str[offset] != '=') { |
| 725 |
error_report("can't parse: \"%s\"", str);
|
| 726 |
return -1; |
| 727 |
} |
| 728 |
|
| 729 |
list = qemu_find_opts(group); |
| 730 |
if (list == NULL) { |
| 731 |
return -1; |
| 732 |
} |
| 733 |
|
| 734 |
opts = qemu_opts_find(list, id); |
| 735 |
if (!opts) {
|
| 736 |
error_report("there is no %s \"%s\" defined",
|
| 737 |
list->name, id); |
| 738 |
return -1; |
| 739 |
} |
| 740 |
|
| 741 |
if (qemu_opt_set(opts, arg, str+offset+1) == -1) { |
| 742 |
return -1; |
| 743 |
} |
| 744 |
return 0; |
| 745 |
} |
| 746 |
|
| 747 |
int qemu_global_option(const char *str) |
| 748 |
{
|
| 749 |
char driver[64], property[64]; |
| 750 |
QemuOpts *opts; |
| 751 |
int rc, offset;
|
| 752 |
|
| 753 |
rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
|
| 754 |
if (rc < 2 || str[offset] != '=') { |
| 755 |
error_report("can't parse: \"%s\"", str);
|
| 756 |
return -1; |
| 757 |
} |
| 758 |
|
| 759 |
opts = qemu_opts_create(&qemu_global_opts, NULL, 0, NULL); |
| 760 |
qemu_opt_set(opts, "driver", driver);
|
| 761 |
qemu_opt_set(opts, "property", property);
|
| 762 |
qemu_opt_set(opts, "value", str+offset+1); |
| 763 |
return 0; |
| 764 |
} |
| 765 |
|
| 766 |
struct ConfigWriteData {
|
| 767 |
QemuOptsList *list; |
| 768 |
FILE *fp; |
| 769 |
}; |
| 770 |
|
| 771 |
static int config_write_opt(const char *name, const char *value, void *opaque) |
| 772 |
{
|
| 773 |
struct ConfigWriteData *data = opaque;
|
| 774 |
|
| 775 |
fprintf(data->fp, " %s = \"%s\"\n", name, value);
|
| 776 |
return 0; |
| 777 |
} |
| 778 |
|
| 779 |
static int config_write_opts(QemuOpts *opts, void *opaque) |
| 780 |
{
|
| 781 |
struct ConfigWriteData *data = opaque;
|
| 782 |
const char *id = qemu_opts_id(opts); |
| 783 |
|
| 784 |
if (id) {
|
| 785 |
fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
|
| 786 |
} else {
|
| 787 |
fprintf(data->fp, "[%s]\n", data->list->name);
|
| 788 |
} |
| 789 |
qemu_opt_foreach(opts, config_write_opt, data, 0);
|
| 790 |
fprintf(data->fp, "\n");
|
| 791 |
return 0; |
| 792 |
} |
| 793 |
|
| 794 |
void qemu_config_write(FILE *fp)
|
| 795 |
{
|
| 796 |
struct ConfigWriteData data = { .fp = fp };
|
| 797 |
QemuOptsList **lists = vm_config_groups; |
| 798 |
int i;
|
| 799 |
|
| 800 |
fprintf(fp, "# qemu config file\n\n");
|
| 801 |
for (i = 0; lists[i] != NULL; i++) { |
| 802 |
data.list = lists[i]; |
| 803 |
qemu_opts_foreach(data.list, config_write_opts, &data, 0);
|
| 804 |
} |
| 805 |
} |
| 806 |
|
| 807 |
int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname) |
| 808 |
{
|
| 809 |
char line[1024], group[64], id[64], arg[64], value[1024]; |
| 810 |
Location loc; |
| 811 |
QemuOptsList *list = NULL;
|
| 812 |
Error *local_err = NULL;
|
| 813 |
QemuOpts *opts = NULL;
|
| 814 |
int res = -1, lno = 0; |
| 815 |
|
| 816 |
loc_push_none(&loc); |
| 817 |
while (fgets(line, sizeof(line), fp) != NULL) { |
| 818 |
loc_set_file(fname, ++lno); |
| 819 |
if (line[0] == '\n') { |
| 820 |
/* skip empty lines */
|
| 821 |
continue;
|
| 822 |
} |
| 823 |
if (line[0] == '#') { |
| 824 |
/* comment */
|
| 825 |
continue;
|
| 826 |
} |
| 827 |
if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) { |
| 828 |
/* group with id */
|
| 829 |
list = find_list(lists, group, &local_err); |
| 830 |
if (error_is_set(&local_err)) {
|
| 831 |
error_report("%s\n", error_get_pretty(local_err));
|
| 832 |
error_free(local_err); |
| 833 |
goto out;
|
| 834 |
} |
| 835 |
opts = qemu_opts_create(list, id, 1, NULL); |
| 836 |
continue;
|
| 837 |
} |
| 838 |
if (sscanf(line, "[%63[^]]]", group) == 1) { |
| 839 |
/* group without id */
|
| 840 |
list = find_list(lists, group, &local_err); |
| 841 |
if (error_is_set(&local_err)) {
|
| 842 |
error_report("%s\n", error_get_pretty(local_err));
|
| 843 |
error_free(local_err); |
| 844 |
goto out;
|
| 845 |
} |
| 846 |
opts = qemu_opts_create(list, NULL, 0, NULL); |
| 847 |
continue;
|
| 848 |
} |
| 849 |
if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) { |
| 850 |
/* arg = value */
|
| 851 |
if (opts == NULL) { |
| 852 |
error_report("no group defined");
|
| 853 |
goto out;
|
| 854 |
} |
| 855 |
if (qemu_opt_set(opts, arg, value) != 0) { |
| 856 |
goto out;
|
| 857 |
} |
| 858 |
continue;
|
| 859 |
} |
| 860 |
error_report("parse error");
|
| 861 |
goto out;
|
| 862 |
} |
| 863 |
if (ferror(fp)) {
|
| 864 |
error_report("error reading file");
|
| 865 |
goto out;
|
| 866 |
} |
| 867 |
res = 0;
|
| 868 |
out:
|
| 869 |
loc_pop(&loc); |
| 870 |
return res;
|
| 871 |
} |
| 872 |
|
| 873 |
int qemu_read_config_file(const char *filename) |
| 874 |
{
|
| 875 |
FILE *f = fopen(filename, "r");
|
| 876 |
int ret;
|
| 877 |
|
| 878 |
if (f == NULL) { |
| 879 |
return -errno;
|
| 880 |
} |
| 881 |
|
| 882 |
ret = qemu_config_parse(f, vm_config_groups, filename); |
| 883 |
fclose(f); |
| 884 |
|
| 885 |
if (ret == 0) { |
| 886 |
return 0; |
| 887 |
} else {
|
| 888 |
return -EINVAL;
|
| 889 |
} |
| 890 |
} |