root / qemu-config.c @ 8212c64f
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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 "sysemu.h" |
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#include "hw/qdev.h" |
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|
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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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},{ |
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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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},{ |
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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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},{ |
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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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},{ |
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.name = "rerror",
|
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.type = QEMU_OPT_STRING, |
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},{ |
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.name = "werror",
|
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.type = QEMU_OPT_STRING, |
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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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}, |
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{ /* end if list */ }
|
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}, |
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}; |
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|
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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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{ /* end if list */ }
|
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}, |
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}; |
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|
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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 if list */ }
|
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}, |
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}; |
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|
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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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|
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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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|
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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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#ifdef TARGET_I386
|
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},{ |
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.name = "driftfix",
|
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.type = QEMU_OPT_STRING, |
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#endif
|
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}, |
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{ /* end if list */ }
|
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}, |
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}; |
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|
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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 if list */ }
|
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}, |
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}; |
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|
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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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{ /* end if list */ }
|
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}, |
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}; |
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|
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QemuOptsList qemu_cpudef_opts = { |
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.name = "cpudef",
|
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.head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head), |
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.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, |
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},{ |
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.name = "vendor",
|
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.type = QEMU_OPT_STRING, |
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},{ |
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.name = "family",
|
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.type = QEMU_OPT_NUMBER, |
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},{ |
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.name = "model",
|
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.type = QEMU_OPT_NUMBER, |
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},{ |
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.name = "stepping",
|
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.type = QEMU_OPT_NUMBER, |
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},{ |
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.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 */ |
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.type = QEMU_OPT_STRING, |
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},{ |
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.name = "extfeature_edx", /* cpuid 8000_0001.edx */ |
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.type = QEMU_OPT_STRING, |
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},{ |
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.name = "extfeature_ecx", /* cpuid 8000_0001.ecx */ |
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.type = QEMU_OPT_STRING, |
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},{ |
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.name = "xlevel",
|
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.type = QEMU_OPT_NUMBER, |
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},{ |
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.name = "model_id",
|
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.type = QEMU_OPT_STRING, |
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},{ |
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.name = "vendor_override",
|
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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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}; |
298 |
|
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static QemuOptsList *lists[] = {
|
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&qemu_drive_opts, |
301 |
&qemu_chardev_opts, |
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&qemu_device_opts, |
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&qemu_netdev_opts, |
304 |
&qemu_net_opts, |
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&qemu_rtc_opts, |
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&qemu_global_opts, |
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&qemu_mon_opts, |
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&qemu_cpudef_opts, |
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NULL,
|
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}; |
311 |
|
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static QemuOptsList *find_list(const char *group) |
313 |
{ |
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int i;
|
315 |
|
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for (i = 0; lists[i] != NULL; i++) { |
317 |
if (strcmp(lists[i]->name, group) == 0) |
318 |
break;
|
319 |
} |
320 |
if (lists[i] == NULL) { |
321 |
error_report("there is no option group \"%s\"", group);
|
322 |
} |
323 |
return lists[i];
|
324 |
} |
325 |
|
326 |
int qemu_set_option(const char *str) |
327 |
{ |
328 |
char group[64], id[64], arg[64]; |
329 |
QemuOptsList *list; |
330 |
QemuOpts *opts; |
331 |
int rc, offset;
|
332 |
|
333 |
rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
|
334 |
if (rc < 3 || str[offset] != '=') { |
335 |
error_report("can't parse: \"%s\"", str);
|
336 |
return -1; |
337 |
} |
338 |
|
339 |
list = find_list(group); |
340 |
if (list == NULL) { |
341 |
return -1; |
342 |
} |
343 |
|
344 |
opts = qemu_opts_find(list, id); |
345 |
if (!opts) {
|
346 |
error_report("there is no %s \"%s\" defined",
|
347 |
list->name, id); |
348 |
return -1; |
349 |
} |
350 |
|
351 |
if (qemu_opt_set(opts, arg, str+offset+1) == -1) { |
352 |
return -1; |
353 |
} |
354 |
return 0; |
355 |
} |
356 |
|
357 |
int qemu_global_option(const char *str) |
358 |
{ |
359 |
char driver[64], property[64]; |
360 |
QemuOpts *opts; |
361 |
int rc, offset;
|
362 |
|
363 |
rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
|
364 |
if (rc < 2 || str[offset] != '=') { |
365 |
error_report("can't parse: \"%s\"", str);
|
366 |
return -1; |
367 |
} |
368 |
|
369 |
opts = qemu_opts_create(&qemu_global_opts, NULL, 0); |
370 |
qemu_opt_set(opts, "driver", driver);
|
371 |
qemu_opt_set(opts, "property", property);
|
372 |
qemu_opt_set(opts, "value", str+offset+1); |
373 |
return 0; |
374 |
} |
375 |
|
376 |
static int qemu_add_one_global(QemuOpts *opts, void *opaque) |
377 |
{ |
378 |
GlobalProperty *g; |
379 |
|
380 |
g = qemu_mallocz(sizeof(*g));
|
381 |
g->driver = qemu_opt_get(opts, "driver");
|
382 |
g->property = qemu_opt_get(opts, "property");
|
383 |
g->value = qemu_opt_get(opts, "value");
|
384 |
qdev_prop_register_global(g); |
385 |
return 0; |
386 |
} |
387 |
|
388 |
void qemu_add_globals(void) |
389 |
{ |
390 |
qemu_opts_foreach(&qemu_global_opts, qemu_add_one_global, NULL, 0); |
391 |
} |
392 |
|
393 |
struct ConfigWriteData {
|
394 |
QemuOptsList *list; |
395 |
FILE *fp; |
396 |
}; |
397 |
|
398 |
static int config_write_opt(const char *name, const char *value, void *opaque) |
399 |
{ |
400 |
struct ConfigWriteData *data = opaque;
|
401 |
|
402 |
fprintf(data->fp, " %s = \"%s\"\n", name, value);
|
403 |
return 0; |
404 |
} |
405 |
|
406 |
static int config_write_opts(QemuOpts *opts, void *opaque) |
407 |
{ |
408 |
struct ConfigWriteData *data = opaque;
|
409 |
const char *id = qemu_opts_id(opts); |
410 |
|
411 |
if (id) {
|
412 |
fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
|
413 |
} else {
|
414 |
fprintf(data->fp, "[%s]\n", data->list->name);
|
415 |
} |
416 |
qemu_opt_foreach(opts, config_write_opt, data, 0);
|
417 |
fprintf(data->fp, "\n");
|
418 |
return 0; |
419 |
} |
420 |
|
421 |
void qemu_config_write(FILE *fp)
|
422 |
{ |
423 |
struct ConfigWriteData data = { .fp = fp };
|
424 |
int i;
|
425 |
|
426 |
fprintf(fp, "# qemu config file\n\n");
|
427 |
for (i = 0; lists[i] != NULL; i++) { |
428 |
data.list = lists[i]; |
429 |
qemu_opts_foreach(data.list, config_write_opts, &data, 0);
|
430 |
} |
431 |
} |
432 |
|
433 |
int qemu_config_parse(FILE *fp, const char *fname) |
434 |
{ |
435 |
char line[1024], group[64], id[64], arg[64], value[1024]; |
436 |
Location loc; |
437 |
QemuOptsList *list = NULL;
|
438 |
QemuOpts *opts = NULL;
|
439 |
int res = -1, lno = 0; |
440 |
|
441 |
loc_push_none(&loc); |
442 |
while (fgets(line, sizeof(line), fp) != NULL) { |
443 |
loc_set_file(fname, ++lno); |
444 |
if (line[0] == '\n') { |
445 |
/* skip empty lines */
|
446 |
continue;
|
447 |
} |
448 |
if (line[0] == '#') { |
449 |
/* comment */
|
450 |
continue;
|
451 |
} |
452 |
if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) { |
453 |
/* group with id */
|
454 |
list = find_list(group); |
455 |
if (list == NULL) |
456 |
goto out;
|
457 |
opts = qemu_opts_create(list, id, 1);
|
458 |
continue;
|
459 |
} |
460 |
if (sscanf(line, "[%63[^]]]", group) == 1) { |
461 |
/* group without id */
|
462 |
list = find_list(group); |
463 |
if (list == NULL) |
464 |
goto out;
|
465 |
opts = qemu_opts_create(list, NULL, 0); |
466 |
continue;
|
467 |
} |
468 |
if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) { |
469 |
/* arg = value */
|
470 |
if (opts == NULL) { |
471 |
error_report("no group defined");
|
472 |
goto out;
|
473 |
} |
474 |
if (qemu_opt_set(opts, arg, value) != 0) { |
475 |
error_report("failed to set \"%s\" for %s", arg, group);
|
476 |
goto out;
|
477 |
} |
478 |
continue;
|
479 |
} |
480 |
error_report("parse error");
|
481 |
goto out;
|
482 |
} |
483 |
if (ferror(fp)) {
|
484 |
error_report("error reading file");
|
485 |
goto out;
|
486 |
} |
487 |
res = 0;
|
488 |
out:
|
489 |
loc_pop(&loc); |
490 |
return res;
|
491 |
} |