root / qemu-config.c @ 95d65800
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#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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|
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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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{ /* 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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|
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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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|
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static QemuOptsList qemu_mon_opts = {
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.name = "mon",
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.implied_opt_name = "chardev",
|
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.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, |
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},{ |
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.name = "chardev",
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.type = QEMU_OPT_STRING, |
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},{ |
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.name = "default",
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.type = QEMU_OPT_BOOL, |
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},{ |
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.name = "pretty",
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.type = QEMU_OPT_BOOL, |
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}, |
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{ /* end of list */ }
|
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}, |
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}; |
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|
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static QemuOptsList qemu_trace_opts = {
|
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.name = "trace",
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.implied_opt_name = "trace",
|
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.head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head), |
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.desc = { |
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{ |
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.name = "events",
|
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.type = QEMU_OPT_STRING, |
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},{ |
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.name = "file",
|
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.type = QEMU_OPT_STRING, |
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}, |
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{ /* end of list */ }
|
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}, |
400 |
}; |
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|
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static QemuOptsList qemu_cpudef_opts = {
|
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.name = "cpudef",
|
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.head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head), |
405 |
.desc = { |
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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 = "level",
|
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.type = QEMU_OPT_NUMBER, |
412 |
},{ |
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.name = "vendor",
|
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.type = QEMU_OPT_STRING, |
415 |
},{ |
416 |
.name = "family",
|
417 |
.type = QEMU_OPT_NUMBER, |
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},{ |
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.name = "model",
|
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.type = QEMU_OPT_NUMBER, |
421 |
},{ |
422 |
.name = "stepping",
|
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.type = QEMU_OPT_NUMBER, |
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},{ |
425 |
.name = "feature_edx", /* cpuid 0000_0001.edx */ |
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.type = QEMU_OPT_STRING, |
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},{ |
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.name = "feature_ecx", /* cpuid 0000_0001.ecx */ |
429 |
.type = QEMU_OPT_STRING, |
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},{ |
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.name = "extfeature_edx", /* cpuid 8000_0001.edx */ |
432 |
.type = QEMU_OPT_STRING, |
433 |
},{ |
434 |
.name = "extfeature_ecx", /* cpuid 8000_0001.ecx */ |
435 |
.type = QEMU_OPT_STRING, |
436 |
},{ |
437 |
.name = "xlevel",
|
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.type = QEMU_OPT_NUMBER, |
439 |
},{ |
440 |
.name = "model_id",
|
441 |
.type = QEMU_OPT_STRING, |
442 |
},{ |
443 |
.name = "vendor_override",
|
444 |
.type = QEMU_OPT_NUMBER, |
445 |
}, |
446 |
{ /* end of list */ }
|
447 |
}, |
448 |
}; |
449 |
|
450 |
QemuOptsList qemu_spice_opts = { |
451 |
.name = "spice",
|
452 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), |
453 |
.desc = { |
454 |
{ |
455 |
.name = "port",
|
456 |
.type = QEMU_OPT_NUMBER, |
457 |
},{ |
458 |
.name = "tls-port",
|
459 |
.type = QEMU_OPT_NUMBER, |
460 |
},{ |
461 |
.name = "addr",
|
462 |
.type = QEMU_OPT_STRING, |
463 |
},{ |
464 |
.name = "ipv4",
|
465 |
.type = QEMU_OPT_BOOL, |
466 |
},{ |
467 |
.name = "ipv6",
|
468 |
.type = QEMU_OPT_BOOL, |
469 |
},{ |
470 |
.name = "password",
|
471 |
.type = QEMU_OPT_STRING, |
472 |
},{ |
473 |
.name = "disable-ticketing",
|
474 |
.type = QEMU_OPT_BOOL, |
475 |
},{ |
476 |
.name = "disable-copy-paste",
|
477 |
.type = QEMU_OPT_BOOL, |
478 |
},{ |
479 |
.name = "sasl",
|
480 |
.type = QEMU_OPT_BOOL, |
481 |
},{ |
482 |
.name = "x509-dir",
|
483 |
.type = QEMU_OPT_STRING, |
484 |
},{ |
485 |
.name = "x509-key-file",
|
486 |
.type = QEMU_OPT_STRING, |
487 |
},{ |
488 |
.name = "x509-key-password",
|
489 |
.type = QEMU_OPT_STRING, |
490 |
},{ |
491 |
.name = "x509-cert-file",
|
492 |
.type = QEMU_OPT_STRING, |
493 |
},{ |
494 |
.name = "x509-cacert-file",
|
495 |
.type = QEMU_OPT_STRING, |
496 |
},{ |
497 |
.name = "x509-dh-key-file",
|
498 |
.type = QEMU_OPT_STRING, |
499 |
},{ |
500 |
.name = "tls-ciphers",
|
501 |
.type = QEMU_OPT_STRING, |
502 |
},{ |
503 |
.name = "tls-channel",
|
504 |
.type = QEMU_OPT_STRING, |
505 |
},{ |
506 |
.name = "plaintext-channel",
|
507 |
.type = QEMU_OPT_STRING, |
508 |
},{ |
509 |
.name = "image-compression",
|
510 |
.type = QEMU_OPT_STRING, |
511 |
},{ |
512 |
.name = "jpeg-wan-compression",
|
513 |
.type = QEMU_OPT_STRING, |
514 |
},{ |
515 |
.name = "zlib-glz-wan-compression",
|
516 |
.type = QEMU_OPT_STRING, |
517 |
},{ |
518 |
.name = "streaming-video",
|
519 |
.type = QEMU_OPT_STRING, |
520 |
},{ |
521 |
.name = "agent-mouse",
|
522 |
.type = QEMU_OPT_BOOL, |
523 |
},{ |
524 |
.name = "playback-compression",
|
525 |
.type = QEMU_OPT_BOOL, |
526 |
}, |
527 |
{ /* end of list */ }
|
528 |
}, |
529 |
}; |
530 |
|
531 |
QemuOptsList qemu_option_rom_opts = { |
532 |
.name = "option-rom",
|
533 |
.implied_opt_name = "romfile",
|
534 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head), |
535 |
.desc = { |
536 |
{ |
537 |
.name = "bootindex",
|
538 |
.type = QEMU_OPT_NUMBER, |
539 |
}, { |
540 |
.name = "romfile",
|
541 |
.type = QEMU_OPT_STRING, |
542 |
}, |
543 |
{ /* end of list */ }
|
544 |
}, |
545 |
}; |
546 |
|
547 |
static QemuOptsList qemu_machine_opts = {
|
548 |
.name = "machine",
|
549 |
.implied_opt_name = "type",
|
550 |
.merge_lists = true,
|
551 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head), |
552 |
.desc = { |
553 |
{ |
554 |
.name = "type",
|
555 |
.type = QEMU_OPT_STRING, |
556 |
.help = "emulated machine"
|
557 |
}, { |
558 |
.name = "accel",
|
559 |
.type = QEMU_OPT_STRING, |
560 |
.help = "accelerator list",
|
561 |
}, { |
562 |
.name = "kernel_irqchip",
|
563 |
.type = QEMU_OPT_BOOL, |
564 |
.help = "use KVM in-kernel irqchip",
|
565 |
}, { |
566 |
.name = "kvm_shadow_mem",
|
567 |
.type = QEMU_OPT_SIZE, |
568 |
.help = "KVM shadow MMU size",
|
569 |
}, { |
570 |
.name = "kernel",
|
571 |
.type = QEMU_OPT_STRING, |
572 |
.help = "Linux kernel image file",
|
573 |
}, { |
574 |
.name = "initrd",
|
575 |
.type = QEMU_OPT_STRING, |
576 |
.help = "Linux initial ramdisk file",
|
577 |
}, { |
578 |
.name = "append",
|
579 |
.type = QEMU_OPT_STRING, |
580 |
.help = "Linux kernel command line",
|
581 |
}, { |
582 |
.name = "dtb",
|
583 |
.type = QEMU_OPT_STRING, |
584 |
.help = "Linux kernel device tree file",
|
585 |
}, |
586 |
{ /* End of list */ }
|
587 |
}, |
588 |
}; |
589 |
|
590 |
QemuOptsList qemu_boot_opts = { |
591 |
.name = "boot-opts",
|
592 |
.head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head), |
593 |
.desc = { |
594 |
/* the three names below are not used now */
|
595 |
{ |
596 |
.name = "order",
|
597 |
.type = QEMU_OPT_STRING, |
598 |
}, { |
599 |
.name = "once",
|
600 |
.type = QEMU_OPT_STRING, |
601 |
}, { |
602 |
.name = "menu",
|
603 |
.type = QEMU_OPT_STRING, |
604 |
/* following are really used */
|
605 |
}, { |
606 |
.name = "splash",
|
607 |
.type = QEMU_OPT_STRING, |
608 |
}, { |
609 |
.name = "splash-time",
|
610 |
.type = QEMU_OPT_STRING, |
611 |
}, |
612 |
{ /*End of list */ }
|
613 |
}, |
614 |
}; |
615 |
|
616 |
static QemuOptsList *vm_config_groups[32] = { |
617 |
&qemu_drive_opts, |
618 |
&qemu_chardev_opts, |
619 |
&qemu_device_opts, |
620 |
&qemu_netdev_opts, |
621 |
&qemu_net_opts, |
622 |
&qemu_rtc_opts, |
623 |
&qemu_global_opts, |
624 |
&qemu_mon_opts, |
625 |
&qemu_cpudef_opts, |
626 |
&qemu_trace_opts, |
627 |
&qemu_option_rom_opts, |
628 |
&qemu_machine_opts, |
629 |
&qemu_boot_opts, |
630 |
&qemu_iscsi_opts, |
631 |
NULL,
|
632 |
}; |
633 |
|
634 |
static QemuOptsList *find_list(QemuOptsList **lists, const char *group) |
635 |
{ |
636 |
int i;
|
637 |
|
638 |
for (i = 0; lists[i] != NULL; i++) { |
639 |
if (strcmp(lists[i]->name, group) == 0) |
640 |
break;
|
641 |
} |
642 |
if (lists[i] == NULL) { |
643 |
error_report("there is no option group \"%s\"", group);
|
644 |
} |
645 |
return lists[i];
|
646 |
} |
647 |
|
648 |
QemuOptsList *qemu_find_opts(const char *group) |
649 |
{ |
650 |
return find_list(vm_config_groups, group);
|
651 |
} |
652 |
|
653 |
void qemu_add_opts(QemuOptsList *list)
|
654 |
{ |
655 |
int entries, i;
|
656 |
|
657 |
entries = ARRAY_SIZE(vm_config_groups); |
658 |
entries--; /* keep list NULL terminated */
|
659 |
for (i = 0; i < entries; i++) { |
660 |
if (vm_config_groups[i] == NULL) { |
661 |
vm_config_groups[i] = list; |
662 |
return;
|
663 |
} |
664 |
} |
665 |
fprintf(stderr, "ran out of space in vm_config_groups");
|
666 |
abort(); |
667 |
} |
668 |
|
669 |
int qemu_set_option(const char *str) |
670 |
{ |
671 |
char group[64], id[64], arg[64]; |
672 |
QemuOptsList *list; |
673 |
QemuOpts *opts; |
674 |
int rc, offset;
|
675 |
|
676 |
rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
|
677 |
if (rc < 3 || str[offset] != '=') { |
678 |
error_report("can't parse: \"%s\"", str);
|
679 |
return -1; |
680 |
} |
681 |
|
682 |
list = qemu_find_opts(group); |
683 |
if (list == NULL) { |
684 |
return -1; |
685 |
} |
686 |
|
687 |
opts = qemu_opts_find(list, id); |
688 |
if (!opts) {
|
689 |
error_report("there is no %s \"%s\" defined",
|
690 |
list->name, id); |
691 |
return -1; |
692 |
} |
693 |
|
694 |
if (qemu_opt_set(opts, arg, str+offset+1) == -1) { |
695 |
return -1; |
696 |
} |
697 |
return 0; |
698 |
} |
699 |
|
700 |
int qemu_global_option(const char *str) |
701 |
{ |
702 |
char driver[64], property[64]; |
703 |
QemuOpts *opts; |
704 |
int rc, offset;
|
705 |
|
706 |
rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
|
707 |
if (rc < 2 || str[offset] != '=') { |
708 |
error_report("can't parse: \"%s\"", str);
|
709 |
return -1; |
710 |
} |
711 |
|
712 |
opts = qemu_opts_create(&qemu_global_opts, NULL, 0); |
713 |
qemu_opt_set(opts, "driver", driver);
|
714 |
qemu_opt_set(opts, "property", property);
|
715 |
qemu_opt_set(opts, "value", str+offset+1); |
716 |
return 0; |
717 |
} |
718 |
|
719 |
struct ConfigWriteData {
|
720 |
QemuOptsList *list; |
721 |
FILE *fp; |
722 |
}; |
723 |
|
724 |
static int config_write_opt(const char *name, const char *value, void *opaque) |
725 |
{ |
726 |
struct ConfigWriteData *data = opaque;
|
727 |
|
728 |
fprintf(data->fp, " %s = \"%s\"\n", name, value);
|
729 |
return 0; |
730 |
} |
731 |
|
732 |
static int config_write_opts(QemuOpts *opts, void *opaque) |
733 |
{ |
734 |
struct ConfigWriteData *data = opaque;
|
735 |
const char *id = qemu_opts_id(opts); |
736 |
|
737 |
if (id) {
|
738 |
fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
|
739 |
} else {
|
740 |
fprintf(data->fp, "[%s]\n", data->list->name);
|
741 |
} |
742 |
qemu_opt_foreach(opts, config_write_opt, data, 0);
|
743 |
fprintf(data->fp, "\n");
|
744 |
return 0; |
745 |
} |
746 |
|
747 |
void qemu_config_write(FILE *fp)
|
748 |
{ |
749 |
struct ConfigWriteData data = { .fp = fp };
|
750 |
QemuOptsList **lists = vm_config_groups; |
751 |
int i;
|
752 |
|
753 |
fprintf(fp, "# qemu config file\n\n");
|
754 |
for (i = 0; lists[i] != NULL; i++) { |
755 |
data.list = lists[i]; |
756 |
qemu_opts_foreach(data.list, config_write_opts, &data, 0);
|
757 |
} |
758 |
} |
759 |
|
760 |
int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname) |
761 |
{ |
762 |
char line[1024], group[64], id[64], arg[64], value[1024]; |
763 |
Location loc; |
764 |
QemuOptsList *list = NULL;
|
765 |
QemuOpts *opts = NULL;
|
766 |
int res = -1, lno = 0; |
767 |
|
768 |
loc_push_none(&loc); |
769 |
while (fgets(line, sizeof(line), fp) != NULL) { |
770 |
loc_set_file(fname, ++lno); |
771 |
if (line[0] == '\n') { |
772 |
/* skip empty lines */
|
773 |
continue;
|
774 |
} |
775 |
if (line[0] == '#') { |
776 |
/* comment */
|
777 |
continue;
|
778 |
} |
779 |
if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) { |
780 |
/* group with id */
|
781 |
list = find_list(lists, group); |
782 |
if (list == NULL) |
783 |
goto out;
|
784 |
opts = qemu_opts_create(list, id, 1);
|
785 |
continue;
|
786 |
} |
787 |
if (sscanf(line, "[%63[^]]]", group) == 1) { |
788 |
/* group without id */
|
789 |
list = find_list(lists, group); |
790 |
if (list == NULL) |
791 |
goto out;
|
792 |
opts = qemu_opts_create(list, NULL, 0); |
793 |
continue;
|
794 |
} |
795 |
if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) { |
796 |
/* arg = value */
|
797 |
if (opts == NULL) { |
798 |
error_report("no group defined");
|
799 |
goto out;
|
800 |
} |
801 |
if (qemu_opt_set(opts, arg, value) != 0) { |
802 |
goto out;
|
803 |
} |
804 |
continue;
|
805 |
} |
806 |
error_report("parse error");
|
807 |
goto out;
|
808 |
} |
809 |
if (ferror(fp)) {
|
810 |
error_report("error reading file");
|
811 |
goto out;
|
812 |
} |
813 |
res = 0;
|
814 |
out:
|
815 |
loc_pop(&loc); |
816 |
return res;
|
817 |
} |
818 |
|
819 |
int qemu_read_config_file(const char *filename) |
820 |
{ |
821 |
FILE *f = fopen(filename, "r");
|
822 |
int ret;
|
823 |
|
824 |
if (f == NULL) { |
825 |
return -errno;
|
826 |
} |
827 |
|
828 |
ret = qemu_config_parse(f, vm_config_groups, filename); |
829 |
fclose(f); |
830 |
|
831 |
if (ret == 0) { |
832 |
return 0; |
833 |
} else {
|
834 |
return -EINVAL;
|
835 |
} |
836 |
} |