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#include "qemu-common.h"
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#include "qemu-option.h"
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#include "qemu-config.h"
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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 = "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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        { /* end if list */ }
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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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    .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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        { /* end if list */ }
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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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    .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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static QemuOptsList *lists[] = {
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    &qemu_drive_opts,
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    &qemu_chardev_opts,
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    &qemu_device_opts,
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    NULL,
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};
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int qemu_set_option(const char *str)
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{
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    char group[64], id[64], arg[64];
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    QemuOpts *opts;
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    int i, rc, offset;
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    rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
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    if (rc < 3 || str[offset] != '=') {
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        fprintf(stderr, "can't parse: \"%s\"\n", str);
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        return -1;
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    }
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    for (i = 0; lists[i] != NULL; i++) {
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        if (strcmp(lists[i]->name, group) == 0)
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            break;
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    }
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    if (lists[i] == NULL) {
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        fprintf(stderr, "there is no option group \"%s\"\n", group);
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        return -1;
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    }
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    opts = qemu_opts_find(lists[i], id);
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    if (!opts) {
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        fprintf(stderr, "there is no %s \"%s\" defined\n",
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                lists[i]->name, id);
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        return -1;
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    }
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    if (-1 == qemu_opt_set(opts, arg, str+offset+1)) {
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        fprintf(stderr, "failed to set \"%s\" for %s \"%s\"\n",
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                arg, lists[i]->name, id);
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        return -1;
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    }
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    return 0;
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}
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