[qemu.git] / qemu-config.c

#include "qemu-common.h"
#include "qemu-error.h"
#include "qemu-option.h"
#include "qemu-config.h"
#include "hw/qdev.h"

static QemuOptsList qemu_drive_opts = {
    .name = "drive",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
    .desc = {
        {
            .name = "bus",
            .type = QEMU_OPT_NUMBER,
            .help = "bus number",
        },{
            .name = "unit",
            .type = QEMU_OPT_NUMBER,
            .help = "unit number (i.e. lun for scsi)",
        },{
            .name = "if",
            .type = QEMU_OPT_STRING,
            .help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
        },{
            .name = "index",
            .type = QEMU_OPT_NUMBER,
            .help = "index number",
        },{
            .name = "cyls",
            .type = QEMU_OPT_NUMBER,
            .help = "number of cylinders (ide disk geometry)",
        },{
            .name = "heads",
            .type = QEMU_OPT_NUMBER,
            .help = "number of heads (ide disk geometry)",
        },{
            .name = "secs",
            .type = QEMU_OPT_NUMBER,
            .help = "number of sectors (ide disk geometry)",
        },{
            .name = "trans",
            .type = QEMU_OPT_STRING,
            .help = "chs translation (auto, lba. none)",
        },{
            .name = "media",
            .type = QEMU_OPT_STRING,
            .help = "media type (disk, cdrom)",
        },{
            .name = "snapshot",
            .type = QEMU_OPT_BOOL,
            .help = "enable/disable snapshot mode",
        },{
            .name = "file",
            .type = QEMU_OPT_STRING,
            .help = "disk image",
        },{
            .name = "cache",
            .type = QEMU_OPT_STRING,
            .help = "host cache usage (none, writeback, writethrough, "
                    "directsync, unsafe)",
        },{
            .name = "aio",
            .type = QEMU_OPT_STRING,
            .help = "host AIO implementation (threads, native)",
        },{
            .name = "format",
            .type = QEMU_OPT_STRING,
            .help = "disk format (raw, qcow2, ...)",
        },{
            .name = "serial",
            .type = QEMU_OPT_STRING,
            .help = "disk serial number",
        },{
            .name = "rerror",
            .type = QEMU_OPT_STRING,
            .help = "read error action",
        },{
            .name = "werror",
            .type = QEMU_OPT_STRING,
            .help = "write error action",
        },{
            .name = "addr",
            .type = QEMU_OPT_STRING,
            .help = "pci address (virtio only)",
        },{
            .name = "readonly",
            .type = QEMU_OPT_BOOL,
            .help = "open drive file as read-only",
        },
        { /* end of list */ }
    },
};

static QemuOptsList qemu_chardev_opts = {
    .name = "chardev",
    .implied_opt_name = "backend",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head),
    .desc = {
        {
            .name = "backend",
            .type = QEMU_OPT_STRING,
        },{
            .name = "path",
            .type = QEMU_OPT_STRING,
        },{
            .name = "host",
            .type = QEMU_OPT_STRING,
        },{
            .name = "port",
            .type = QEMU_OPT_STRING,
        },{
            .name = "localaddr",
            .type = QEMU_OPT_STRING,
        },{
            .name = "localport",
            .type = QEMU_OPT_STRING,
        },{
            .name = "to",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "ipv4",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "ipv6",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "wait",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "server",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "delay",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "telnet",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "width",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "height",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "cols",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "rows",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "mux",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "signal",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "name",
            .type = QEMU_OPT_STRING,
        },{
            .name = "debug",
            .type = QEMU_OPT_NUMBER,
        },
        { /* end of list */ }
    },
};

QemuOptsList qemu_fsdev_opts = {
    .name = "fsdev",
    .implied_opt_name = "fsdriver",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head),
    .desc = {
        {
            .name = "fsdriver",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "path",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "security_model",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "writeout",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "readonly",
            .type = QEMU_OPT_BOOL,
        },

        { /*End of list */ }
    },
};

QemuOptsList qemu_virtfs_opts = {
    .name = "virtfs",
    .implied_opt_name = "fsdriver",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts.head),
    .desc = {
        {
            .name = "fsdriver",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "path",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "mount_tag",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "security_model",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "writeout",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "readonly",
            .type = QEMU_OPT_BOOL,
        },

        { /*End of list */ }
    },
};

static QemuOptsList qemu_device_opts = {
    .name = "device",
    .implied_opt_name = "driver",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
    .desc = {
        /*
         * no elements => accept any
         * sanity checking will happen later
         * when setting device properties
         */
        { /* end of list */ }
    },
};

static QemuOptsList qemu_netdev_opts = {
    .name = "netdev",
    .implied_opt_name = "type",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
    .desc = {
        /*
         * no elements => accept any params
         * validation will happen later
         */
        { /* end of list */ }
    },
};

static QemuOptsList qemu_net_opts = {
    .name = "net",
    .implied_opt_name = "type",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
    .desc = {
        /*
         * no elements => accept any params
         * validation will happen later
         */
        { /* end of list */ }
    },
};

static QemuOptsList qemu_rtc_opts = {
    .name = "rtc",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
    .desc = {
        {
            .name = "base",
            .type = QEMU_OPT_STRING,
        },{
            .name = "clock",
            .type = QEMU_OPT_STRING,
        },{
            .name = "driftfix",
            .type = QEMU_OPT_STRING,
        },
        { /* end of list */ }
    },
};

static QemuOptsList qemu_global_opts = {
    .name = "global",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
    .desc = {
        {
            .name = "driver",
            .type = QEMU_OPT_STRING,
        },{
            .name = "property",
            .type = QEMU_OPT_STRING,
        },{
            .name = "value",
            .type = QEMU_OPT_STRING,
        },
        { /* end of list */ }
    },
};

static QemuOptsList qemu_mon_opts = {
    .name = "mon",
    .implied_opt_name = "chardev",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
    .desc = {
        {
            .name = "mode",
            .type = QEMU_OPT_STRING,
        },{
            .name = "chardev",
            .type = QEMU_OPT_STRING,
        },{
            .name = "default",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "pretty",
            .type = QEMU_OPT_BOOL,
        },
        { /* end of list */ }
    },
};

static QemuOptsList qemu_trace_opts = {
    .name = "trace",
    .implied_opt_name = "trace",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
    .desc = {
        {
            .name = "events",
            .type = QEMU_OPT_STRING,
        },{
            .name = "file",
            .type = QEMU_OPT_STRING,
        },
        { /* end of list */ }
    },
};

static QemuOptsList qemu_cpudef_opts = {
    .name = "cpudef",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head),
    .desc = {
        {
            .name = "name",
            .type = QEMU_OPT_STRING,
        },{
            .name = "level",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "vendor",
            .type = QEMU_OPT_STRING,
        },{
            .name = "family",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "model",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "stepping",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "feature_edx",      /* cpuid 0000_0001.edx */
            .type = QEMU_OPT_STRING,
        },{
            .name = "feature_ecx",      /* cpuid 0000_0001.ecx */
            .type = QEMU_OPT_STRING,
        },{
            .name = "extfeature_edx",   /* cpuid 8000_0001.edx */
            .type = QEMU_OPT_STRING,
        },{
            .name = "extfeature_ecx",   /* cpuid 8000_0001.ecx */
            .type = QEMU_OPT_STRING,
        },{
            .name = "xlevel",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "model_id",
            .type = QEMU_OPT_STRING,
        },{
            .name = "vendor_override",
            .type = QEMU_OPT_NUMBER,
        },
        { /* end of list */ }
    },
};

QemuOptsList qemu_spice_opts = {
    .name = "spice",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
    .desc = {
        {
            .name = "port",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "tls-port",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "addr",
            .type = QEMU_OPT_STRING,
        },{
            .name = "ipv4",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "ipv6",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "password",
            .type = QEMU_OPT_STRING,
        },{
            .name = "disable-ticketing",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "disable-copy-paste",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "sasl",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "x509-dir",
            .type = QEMU_OPT_STRING,
        },{
            .name = "x509-key-file",
            .type = QEMU_OPT_STRING,
        },{
            .name = "x509-key-password",
            .type = QEMU_OPT_STRING,
        },{
            .name = "x509-cert-file",
            .type = QEMU_OPT_STRING,
        },{
            .name = "x509-cacert-file",
            .type = QEMU_OPT_STRING,
        },{
            .name = "x509-dh-key-file",
            .type = QEMU_OPT_STRING,
        },{
            .name = "tls-ciphers",
            .type = QEMU_OPT_STRING,
        },{
            .name = "tls-channel",
            .type = QEMU_OPT_STRING,
        },{
            .name = "plaintext-channel",
            .type = QEMU_OPT_STRING,
        },{
            .name = "image-compression",
            .type = QEMU_OPT_STRING,
        },{
            .name = "jpeg-wan-compression",
            .type = QEMU_OPT_STRING,
        },{
            .name = "zlib-glz-wan-compression",
            .type = QEMU_OPT_STRING,
        },{
            .name = "streaming-video",
            .type = QEMU_OPT_STRING,
        },{
            .name = "agent-mouse",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "playback-compression",
            .type = QEMU_OPT_BOOL,
        },
        { /* end of list */ }
    },
};

QemuOptsList qemu_option_rom_opts = {
    .name = "option-rom",
    .implied_opt_name = "romfile",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
    .desc = {
        {
            .name = "bootindex",
            .type = QEMU_OPT_NUMBER,
        }, {
            .name = "romfile",
            .type = QEMU_OPT_STRING,
        },
        { /* end of list */ }
    },
};

static QemuOptsList qemu_machine_opts = {
    .name = "machine",
    .implied_opt_name = "type",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
    .desc = {
        {
            .name = "type",
            .type = QEMU_OPT_STRING,
            .help = "emulated machine"
        }, {
            .name = "accel",
            .type = QEMU_OPT_STRING,
            .help = "accelerator list",
        },
        { /* End of list */ }
    },
};

QemuOptsList qemu_boot_opts = {
    .name = "boot-opts",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
    .desc = {
        /* the three names below are not used now */
        {
            .name = "order",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "once",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "menu",
            .type = QEMU_OPT_STRING,
        /* following are really used */
        }, {
            .name = "splash",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "splash-time",
            .type = QEMU_OPT_STRING,
        },
        { /*End of list */ }
    },
};

static QemuOptsList *vm_config_groups[32] = {
    &qemu_drive_opts,
    &qemu_chardev_opts,
    &qemu_device_opts,
    &qemu_netdev_opts,
    &qemu_net_opts,
    &qemu_rtc_opts,
    &qemu_global_opts,
    &qemu_mon_opts,
    &qemu_cpudef_opts,
    &qemu_trace_opts,
    &qemu_option_rom_opts,
    &qemu_machine_opts,
    &qemu_boot_opts,
    NULL,
};

static QemuOptsList *find_list(QemuOptsList **lists, const char *group)
{
    int i;

    for (i = 0; lists[i] != NULL; i++) {
        if (strcmp(lists[i]->name, group) == 0)
            break;
    }
    if (lists[i] == NULL) {
        error_report("there is no option group \"%s\"", group);
    }
    return lists[i];
}

QemuOptsList *qemu_find_opts(const char *group)
{
    return find_list(vm_config_groups, group);
}

void qemu_add_opts(QemuOptsList *list)
{
    int entries, i;

    entries = ARRAY_SIZE(vm_config_groups);
    entries--; /* keep list NULL terminated */
    for (i = 0; i < entries; i++) {
        if (vm_config_groups[i] == NULL) {
            vm_config_groups[i] = list;
            return;
        }
    }
    fprintf(stderr, "ran out of space in vm_config_groups");
    abort();
}

int qemu_set_option(const char *str)
{
    char group[64], id[64], arg[64];
    QemuOptsList *list;
    QemuOpts *opts;
    int rc, offset;

    rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
    if (rc < 3 || str[offset] != '=') {
        error_report("can't parse: \"%s\"", str);
        return -1;
    }

    list = qemu_find_opts(group);
    if (list == NULL) {
        return -1;
    }

    opts = qemu_opts_find(list, id);
    if (!opts) {
        error_report("there is no %s \"%s\" defined",
                     list->name, id);
        return -1;
    }

    if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
        return -1;
    }
    return 0;
}

int qemu_global_option(const char *str)
{
    char driver[64], property[64];
    QemuOpts *opts;
    int rc, offset;

    rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
    if (rc < 2 || str[offset] != '=') {
        error_report("can't parse: \"%s\"", str);
        return -1;
    }

    opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
    qemu_opt_set(opts, "driver", driver);
    qemu_opt_set(opts, "property", property);
    qemu_opt_set(opts, "value", str+offset+1);
    return 0;
}

struct ConfigWriteData {
    QemuOptsList *list;
    FILE *fp;
};

static int config_write_opt(const char *name, const char *value, void *opaque)
{
    struct ConfigWriteData *data = opaque;

    fprintf(data->fp, "  %s = \"%s\"\n", name, value);
    return 0;
}

static int config_write_opts(QemuOpts *opts, void *opaque)
{
    struct ConfigWriteData *data = opaque;
    const char *id = qemu_opts_id(opts);

    if (id) {
        fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
    } else {
        fprintf(data->fp, "[%s]\n", data->list->name);
    }
    qemu_opt_foreach(opts, config_write_opt, data, 0);
    fprintf(data->fp, "\n");
    return 0;
}

void qemu_config_write(FILE *fp)
{
    struct ConfigWriteData data = { .fp = fp };
    QemuOptsList **lists = vm_config_groups;
    int i;

    fprintf(fp, "# qemu config file\n\n");
    for (i = 0; lists[i] != NULL; i++) {
        data.list = lists[i];
        qemu_opts_foreach(data.list, config_write_opts, &data, 0);
    }
}

int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname)
{
    char line[1024], group[64], id[64], arg[64], value[1024];
    Location loc;
    QemuOptsList *list = NULL;
    QemuOpts *opts = NULL;
    int res = -1, lno = 0;

    loc_push_none(&loc);
    while (fgets(line, sizeof(line), fp) != NULL) {
        loc_set_file(fname, ++lno);
        if (line[0] == '\n') {
            /* skip empty lines */
            continue;
        }
        if (line[0] == '#') {
            /* comment */
            continue;
        }
        if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
            /* group with id */
            list = find_list(lists, group);
            if (list == NULL)
                goto out;
            opts = qemu_opts_create(list, id, 1);
            continue;
        }
        if (sscanf(line, "[%63[^]]]", group) == 1) {
            /* group without id */
            list = find_list(lists, group);
            if (list == NULL)
                goto out;
            opts = qemu_opts_create(list, NULL, 0);
            continue;
        }
        if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
            /* arg = value */
            if (opts == NULL) {
                error_report("no group defined");
                goto out;
            }
            if (qemu_opt_set(opts, arg, value) != 0) {
                goto out;
            }
            continue;
        }
        error_report("parse error");
        goto out;
    }
    if (ferror(fp)) {
        error_report("error reading file");
        goto out;
    }
    res = 0;
out:
    loc_pop(&loc);
    return res;
}

int qemu_read_config_file(const char *filename)
{
    FILE *f = fopen(filename, "r");
    int ret;

    if (f == NULL) {
        return -errno;
    }

    ret = qemu_config_parse(f, vm_config_groups, filename);
    fclose(f);

    if (ret == 0) {
        return 0;
    } else {
        return -EINVAL;
    }
}
Commit	Line	Data
7282a033	1	#include "qemu-common.h"
2f792016	2	#include "qemu-error.h"
7282a033 GH	3	#include "qemu-option.h"
7282a033 GH	4	#include "qemu-config.h"
d0fef6fb	5	#include "hw/qdev.h"
7282a033	6
3329f07b	7	static QemuOptsList qemu_drive_opts = {
7282a033	8	.name = "drive",
72cf2d4f	9	.head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
7282a033 GH	10	.desc = {
	11	{
	12	.name = "bus",
	13	.type = QEMU_OPT_NUMBER,
	14	.help = "bus number",
	15	},{
	16	.name = "unit",
	17	.type = QEMU_OPT_NUMBER,
	18	.help = "unit number (i.e. lun for scsi)",
	19	},{
	20	.name = "if",
	21	.type = QEMU_OPT_STRING,
	22	.help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
	23	},{
	24	.name = "index",
	25	.type = QEMU_OPT_NUMBER,
69d7e218	26	.help = "index number",
7282a033 GH	27	},{
	28	.name = "cyls",
	29	.type = QEMU_OPT_NUMBER,
	30	.help = "number of cylinders (ide disk geometry)",
	31	},{
	32	.name = "heads",
	33	.type = QEMU_OPT_NUMBER,
	34	.help = "number of heads (ide disk geometry)",
	35	},{
	36	.name = "secs",
	37	.type = QEMU_OPT_NUMBER,
	38	.help = "number of sectors (ide disk geometry)",
	39	},{
	40	.name = "trans",
	41	.type = QEMU_OPT_STRING,
	42	.help = "chs translation (auto, lba. none)",
	43	},{
	44	.name = "media",
	45	.type = QEMU_OPT_STRING,
	46	.help = "media type (disk, cdrom)",
	47	},{
	48	.name = "snapshot",
	49	.type = QEMU_OPT_BOOL,
69d7e218	50	.help = "enable/disable snapshot mode",
7282a033 GH	51	},{
	52	.name = "file",
	53	.type = QEMU_OPT_STRING,
	54	.help = "disk image",
	55	},{
	56	.name = "cache",
	57	.type = QEMU_OPT_STRING,
92196b2f SH	58	.help = "host cache usage (none, writeback, writethrough, "
92196b2f SH	59	"directsync, unsafe)",
5c6c3a6c CH	60	},{
	61	.name = "aio",
	62	.type = QEMU_OPT_STRING,
	63	.help = "host AIO implementation (threads, native)",
7282a033 GH	64	},{
	65	.name = "format",
	66	.type = QEMU_OPT_STRING,
	67	.help = "disk format (raw, qcow2, ...)",
	68	},{
	69	.name = "serial",
	70	.type = QEMU_OPT_STRING,
69d7e218	71	.help = "disk serial number",
e9b2e818 KW	72	},{
	73	.name = "rerror",
	74	.type = QEMU_OPT_STRING,
69d7e218	75	.help = "read error action",
7282a033 GH	76	},{
	77	.name = "werror",
	78	.type = QEMU_OPT_STRING,
69d7e218	79	.help = "write error action",
7282a033 GH	80	},{
	81	.name = "addr",
	82	.type = QEMU_OPT_STRING,
	83	.help = "pci address (virtio only)",
59f2689d NS	84	},{
	85	.name = "readonly",
	86	.type = QEMU_OPT_BOOL,
69d7e218	87	.help = "open drive file as read-only",
7282a033	88	},
26056e0c	89	{ /* end of list */ }
7282a033 GH	90	},
	91	};
	92
3329f07b	93	static QemuOptsList qemu_chardev_opts = {
191bc01b	94	.name = "chardev",
8212c64f	95	.implied_opt_name = "backend",
72cf2d4f	96	.head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head),
191bc01b	97	.desc = {
7d31544f GH	98	{
	99	.name = "backend",
	100	.type = QEMU_OPT_STRING,
	101	},{
	102	.name = "path",
	103	.type = QEMU_OPT_STRING,
aeb2c47a GH	104	},{
	105	.name = "host",
	106	.type = QEMU_OPT_STRING,
	107	},{
	108	.name = "port",
	109	.type = QEMU_OPT_STRING,
7e1b35b4 GH	110	},{
	111	.name = "localaddr",
	112	.type = QEMU_OPT_STRING,
	113	},{
	114	.name = "localport",
	115	.type = QEMU_OPT_STRING,
aeb2c47a GH	116	},{
	117	.name = "to",
	118	.type = QEMU_OPT_NUMBER,
	119	},{
	120	.name = "ipv4",
	121	.type = QEMU_OPT_BOOL,
	122	},{
	123	.name = "ipv6",
	124	.type = QEMU_OPT_BOOL,
	125	},{
	126	.name = "wait",
	127	.type = QEMU_OPT_BOOL,
	128	},{
	129	.name = "server",
	130	.type = QEMU_OPT_BOOL,
	131	},{
	132	.name = "delay",
	133	.type = QEMU_OPT_BOOL,
	134	},{
	135	.name = "telnet",
	136	.type = QEMU_OPT_BOOL,
6ea314d9 GH	137	},{
	138	.name = "width",
	139	.type = QEMU_OPT_NUMBER,
	140	},{
	141	.name = "height",
	142	.type = QEMU_OPT_NUMBER,
	143	},{
	144	.name = "cols",
	145	.type = QEMU_OPT_NUMBER,
	146	},{
	147	.name = "rows",
	148	.type = QEMU_OPT_NUMBER,
c845f401 GH	149	},{
	150	.name = "mux",
	151	.type = QEMU_OPT_BOOL,
5989020b KK	152	},{
	153	.name = "signal",
	154	.type = QEMU_OPT_BOOL,
cbcc6336 AL	155	},{
	156	.name = "name",
	157	.type = QEMU_OPT_STRING,
	158	},{
	159	.name = "debug",
	160	.type = QEMU_OPT_NUMBER,
7d31544f	161	},
26056e0c	162	{ /* end of list */ }
191bc01b GH	163	},
	164	};
	165
74db920c GS	166	QemuOptsList qemu_fsdev_opts = {
74db920c GS	167	.name = "fsdev",
fbcbf101	168	.implied_opt_name = "fsdriver",
74db920c GS	169	.head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head),
	170	.desc = {
	171	{
fbcbf101	172	.name = "fsdriver",
74db920c GS	173	.type = QEMU_OPT_STRING,
	174	}, {
	175	.name = "path",
	176	.type = QEMU_OPT_STRING,
9ce56db6 VJ	177	}, {
	178	.name = "security_model",
	179	.type = QEMU_OPT_STRING,
d3ab98e6 AK	180	}, {
	181	.name = "writeout",
	182	.type = QEMU_OPT_STRING,
2c74c2cb MK	183	}, {
	184	.name = "readonly",
	185	.type = QEMU_OPT_BOOL,
74db920c	186	},
2c74c2cb	187
74db920c GS	188	{ /End of list / }
	189	},
	190	};
74db920c	191
3d54abc7 GS	192	QemuOptsList qemu_virtfs_opts = {
3d54abc7 GS	193	.name = "virtfs",
fbcbf101	194	.implied_opt_name = "fsdriver",
3d54abc7 GS	195	.head = QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts.head),
	196	.desc = {
	197	{
fbcbf101	198	.name = "fsdriver",
3d54abc7 GS	199	.type = QEMU_OPT_STRING,
	200	}, {
	201	.name = "path",
	202	.type = QEMU_OPT_STRING,
	203	}, {
	204	.name = "mount_tag",
	205	.type = QEMU_OPT_STRING,
9ce56db6 VJ	206	}, {
	207	.name = "security_model",
	208	.type = QEMU_OPT_STRING,
d3ab98e6 AK	209	}, {
	210	.name = "writeout",
	211	.type = QEMU_OPT_STRING,
2c74c2cb MK	212	}, {
	213	.name = "readonly",
	214	.type = QEMU_OPT_BOOL,
3d54abc7 GS	215	},
	216
	217	{ /End of list / }
	218	},
	219	};
3d54abc7	220
3329f07b	221	static QemuOptsList qemu_device_opts = {
f31d07d1	222	.name = "device",
8212c64f	223	.implied_opt_name = "driver",
72cf2d4f	224	.head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
f31d07d1 GH	225	.desc = {
	226	/*
	227	* no elements => accept any
	228	* sanity checking will happen later
	229	* when setting device properties
	230	*/
26056e0c	231	{ /* end of list */ }
f31d07d1 GH	232	},
	233	};
	234
3329f07b	235	static QemuOptsList qemu_netdev_opts = {
a1ea458f	236	.name = "netdev",
8212c64f	237	.implied_opt_name = "type",
a1ea458f MM	238	.head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
	239	.desc = {
	240	/*
	241	* no elements => accept any params
	242	* validation will happen later
	243	*/
	244	{ /* end of list */ }
	245	},
	246	};
	247
3329f07b	248	static QemuOptsList qemu_net_opts = {
8119b33d	249	.name = "net",
8212c64f	250	.implied_opt_name = "type",
8119b33d MM	251	.head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
	252	.desc = {
	253	/*
	254	* no elements => accept any params
	255	* validation will happen later
	256	*/
	257	{ /* end of list */ }
	258	},
	259	};
	260
3329f07b	261	static QemuOptsList qemu_rtc_opts = {
1ed2fc1f JK	262	.name = "rtc",
	263	.head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
	264	.desc = {
	265	{
	266	.name = "base",
	267	.type = QEMU_OPT_STRING,
6875204c JK	268	},{
	269	.name = "clock",
	270	.type = QEMU_OPT_STRING,
1ed2fc1f JK	271	},{
	272	.name = "driftfix",
	273	.type = QEMU_OPT_STRING,
1ed2fc1f	274	},
26056e0c	275	{ /* end of list */ }
1ed2fc1f JK	276	},
	277	};
	278
3329f07b	279	static QemuOptsList qemu_global_opts = {
d0fef6fb GH	280	.name = "global",
	281	.head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
	282	.desc = {
	283	{
	284	.name = "driver",
	285	.type = QEMU_OPT_STRING,
	286	},{
	287	.name = "property",
	288	.type = QEMU_OPT_STRING,
	289	},{
	290	.name = "value",
	291	.type = QEMU_OPT_STRING,
	292	},
26056e0c	293	{ /* end of list */ }
d0fef6fb GH	294	},
	295	};
	296
3329f07b	297	static QemuOptsList qemu_mon_opts = {
88589343	298	.name = "mon",
8212c64f	299	.implied_opt_name = "chardev",
88589343 GH	300	.head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
	301	.desc = {
	302	{
	303	.name = "mode",
	304	.type = QEMU_OPT_STRING,
	305	},{
	306	.name = "chardev",
	307	.type = QEMU_OPT_STRING,
	308	},{
	309	.name = "default",
	310	.type = QEMU_OPT_BOOL,
39eaab9a DB	311	},{
	312	.name = "pretty",
	313	.type = QEMU_OPT_BOOL,
88589343	314	},
26056e0c	315	{ /* end of list */ }
88589343 GH	316	},
	317	};
	318
ab6540d5 PS	319	static QemuOptsList qemu_trace_opts = {
	320	.name = "trace",
	321	.implied_opt_name = "trace",
	322	.head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
	323	.desc = {
	324	{
23d15e86 LV	325	.name = "events",
	326	.type = QEMU_OPT_STRING,
	327	},{
ab6540d5 PS	328	.name = "file",
	329	.type = QEMU_OPT_STRING,
	330	},
44bd6907	331	{ /* end of list */ }
ab6540d5 PS	332	},
ab6540d5 PS	333	};
ab6540d5	334
3329f07b	335	static QemuOptsList qemu_cpudef_opts = {
b5ec5ce0	336	.name = "cpudef",
	337	.head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head),
	338	.desc = {
	339	{
	340	.name = "name",
	341	.type = QEMU_OPT_STRING,
	342	},{
	343	.name = "level",
	344	.type = QEMU_OPT_NUMBER,
	345	},{
	346	.name = "vendor",
	347	.type = QEMU_OPT_STRING,
	348	},{
	349	.name = "family",
	350	.type = QEMU_OPT_NUMBER,
	351	},{
	352	.name = "model",
	353	.type = QEMU_OPT_NUMBER,
	354	},{
	355	.name = "stepping",
	356	.type = QEMU_OPT_NUMBER,
	357	},{
	358	.name = "feature_edx", /* cpuid 0000_0001.edx */
	359	.type = QEMU_OPT_STRING,
	360	},{
	361	.name = "feature_ecx", /* cpuid 0000_0001.ecx */
	362	.type = QEMU_OPT_STRING,
	363	},{
	364	.name = "extfeature_edx", /* cpuid 8000_0001.edx */
	365	.type = QEMU_OPT_STRING,
	366	},{
	367	.name = "extfeature_ecx", /* cpuid 8000_0001.ecx */
	368	.type = QEMU_OPT_STRING,
	369	},{
	370	.name = "xlevel",
	371	.type = QEMU_OPT_NUMBER,
	372	},{
	373	.name = "model_id",
	374	.type = QEMU_OPT_STRING,
	375	},{
	376	.name = "vendor_override",
	377	.type = QEMU_OPT_NUMBER,
	378	},
	379	{ /* end of list */ }
	380	},
	381	};
	382
29b0040b GH	383	QemuOptsList qemu_spice_opts = {
	384	.name = "spice",
	385	.head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
	386	.desc = {
	387	{
	388	.name = "port",
	389	.type = QEMU_OPT_NUMBER,
c448e855 GH	390	},{
	391	.name = "tls-port",
	392	.type = QEMU_OPT_NUMBER,
333b0eeb GH	393	},{
	394	.name = "addr",
	395	.type = QEMU_OPT_STRING,
	396	},{
	397	.name = "ipv4",
	398	.type = QEMU_OPT_BOOL,
	399	},{
	400	.name = "ipv6",
	401	.type = QEMU_OPT_BOOL,
29b0040b GH	402	},{
	403	.name = "password",
	404	.type = QEMU_OPT_STRING,
	405	},{
	406	.name = "disable-ticketing",
	407	.type = QEMU_OPT_BOOL,
d4970b07 HG	408	},{
	409	.name = "disable-copy-paste",
	410	.type = QEMU_OPT_BOOL,
48b3ed0a MAL	411	},{
	412	.name = "sasl",
	413	.type = QEMU_OPT_BOOL,
c448e855 GH	414	},{
	415	.name = "x509-dir",
	416	.type = QEMU_OPT_STRING,
	417	},{
	418	.name = "x509-key-file",
	419	.type = QEMU_OPT_STRING,
	420	},{
	421	.name = "x509-key-password",
	422	.type = QEMU_OPT_STRING,
	423	},{
	424	.name = "x509-cert-file",
	425	.type = QEMU_OPT_STRING,
	426	},{
	427	.name = "x509-cacert-file",
	428	.type = QEMU_OPT_STRING,
	429	},{
	430	.name = "x509-dh-key-file",
	431	.type = QEMU_OPT_STRING,
	432	},{
	433	.name = "tls-ciphers",
	434	.type = QEMU_OPT_STRING,
17b6dea0 GH	435	},{
	436	.name = "tls-channel",
	437	.type = QEMU_OPT_STRING,
	438	},{
	439	.name = "plaintext-channel",
	440	.type = QEMU_OPT_STRING,
9f04e09e YH	441	},{
	442	.name = "image-compression",
	443	.type = QEMU_OPT_STRING,
	444	},{
	445	.name = "jpeg-wan-compression",
	446	.type = QEMU_OPT_STRING,
	447	},{
	448	.name = "zlib-glz-wan-compression",
	449	.type = QEMU_OPT_STRING,
84a23f25 GH	450	},{
	451	.name = "streaming-video",
	452	.type = QEMU_OPT_STRING,
	453	},{
	454	.name = "agent-mouse",
	455	.type = QEMU_OPT_BOOL,
	456	},{
	457	.name = "playback-compression",
	458	.type = QEMU_OPT_BOOL,
29b0040b	459	},
44bd6907	460	{ /* end of list */ }
29b0040b GH	461	},
	462	};
	463
2e55e842 GN	464	QemuOptsList qemu_option_rom_opts = {
	465	.name = "option-rom",
	466	.implied_opt_name = "romfile",
	467	.head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
	468	.desc = {
	469	{
	470	.name = "bootindex",
	471	.type = QEMU_OPT_NUMBER,
	472	}, {
	473	.name = "romfile",
	474	.type = QEMU_OPT_STRING,
	475	},
44bd6907	476	{ /* end of list */ }
2e55e842 GN	477	},
	478	};
	479
303d4e86 AP	480	static QemuOptsList qemu_machine_opts = {
303d4e86 AP	481	.name = "machine",
9052ea6b	482	.implied_opt_name = "type",
303d4e86 AP	483	.head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
	484	.desc = {
	485	{
9052ea6b JK	486	.name = "type",
	487	.type = QEMU_OPT_STRING,
	488	.help = "emulated machine"
	489	}, {
303d4e86 AP	490	.name = "accel",
	491	.type = QEMU_OPT_STRING,
	492	.help = "accelerator list",
	493	},
	494	{ /* End of list */ }
	495	},
	496	};
	497
3d3b8303 WX	498	QemuOptsList qemu_boot_opts = {
	499	.name = "boot-opts",
	500	.head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
	501	.desc = {
	502	/* the three names below are not used now */
	503	{
	504	.name = "order",
	505	.type = QEMU_OPT_STRING,
	506	}, {
	507	.name = "once",
	508	.type = QEMU_OPT_STRING,
	509	}, {
	510	.name = "menu",
	511	.type = QEMU_OPT_STRING,
	512	/* following are really used */
	513	}, {
	514	.name = "splash",
	515	.type = QEMU_OPT_STRING,
	516	}, {
	517	.name = "splash-time",
	518	.type = QEMU_OPT_STRING,
	519	},
	520	{ /End of list / }
	521	},
	522	};
	523
dfe795e7	524	static QemuOptsList *vm_config_groups[32] = {
d058fe03	525	&qemu_drive_opts,
191bc01b	526	&qemu_chardev_opts,
f31d07d1	527	&qemu_device_opts,
a1ea458f	528	&qemu_netdev_opts,
8119b33d	529	&qemu_net_opts,
5fdfbf7e	530	&qemu_rtc_opts,
d0fef6fb	531	&qemu_global_opts,
88589343	532	&qemu_mon_opts,
b5ec5ce0	533	&qemu_cpudef_opts,
ab6540d5	534	&qemu_trace_opts,
2e55e842	535	&qemu_option_rom_opts,
303d4e86	536	&qemu_machine_opts,
3d3b8303	537	&qemu_boot_opts,
d058fe03 GH	538	NULL,
	539	};
	540
490b648e	541	static QemuOptsList find_list(QemuOptsList lists, const char group)
ddc97855 GH	542	{
	543	int i;
	544
	545	for (i = 0; lists[i] != NULL; i++) {
	546	if (strcmp(lists[i]->name, group) == 0)
	547	break;
	548	}
	549	if (lists[i] == NULL) {
1ecda02b	550	error_report("there is no option group \"%s\"", group);
ddc97855 GH	551	}
	552	return lists[i];
	553	}
	554
490b648e KW	555	QemuOptsList qemu_find_opts(const char group)
	556	{
	557	return find_list(vm_config_groups, group);
	558	}
	559
dfe795e7 GH	560	void qemu_add_opts(QemuOptsList *list)
	561	{
	562	int entries, i;
	563
	564	entries = ARRAY_SIZE(vm_config_groups);
	565	entries--; /* keep list NULL terminated */
	566	for (i = 0; i < entries; i++) {
	567	if (vm_config_groups[i] == NULL) {
	568	vm_config_groups[i] = list;
	569	return;
	570	}
	571	}
	572	fprintf(stderr, "ran out of space in vm_config_groups");
	573	abort();
	574	}
	575
d058fe03 GH	576	int qemu_set_option(const char *str)
	577	{
	578	char group[64], id[64], arg[64];
ddc97855	579	QemuOptsList *list;
d058fe03	580	QemuOpts *opts;
ddc97855	581	int rc, offset;
d058fe03 GH	582
	583	rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
	584	if (rc < 3 \|\| str[offset] != '=') {
1ecda02b	585	error_report("can't parse: \"%s\"", str);
d058fe03 GH	586	return -1;
	587	}
	588
304329ee	589	list = qemu_find_opts(group);
ddc97855	590	if (list == NULL) {
d058fe03 GH	591	return -1;
	592	}
	593
ddc97855	594	opts = qemu_opts_find(list, id);
d058fe03	595	if (!opts) {
1ecda02b MA	596	error_report("there is no %s \"%s\" defined",
1ecda02b MA	597	list->name, id);
d058fe03 GH	598	return -1;
	599	}
	600
3df04ac3	601	if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
d058fe03 GH	602	return -1;
	603	}
	604	return 0;
	605	}
	606
d0fef6fb GH	607	int qemu_global_option(const char *str)
	608	{
	609	char driver[64], property[64];
	610	QemuOpts *opts;
	611	int rc, offset;
	612
	613	rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
	614	if (rc < 2 \|\| str[offset] != '=') {
1ecda02b	615	error_report("can't parse: \"%s\"", str);
d0fef6fb GH	616	return -1;
	617	}
	618
	619	opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
	620	qemu_opt_set(opts, "driver", driver);
	621	qemu_opt_set(opts, "property", property);
	622	qemu_opt_set(opts, "value", str+offset+1);
	623	return 0;
	624	}
	625
9d993394 GH	626	struct ConfigWriteData {
	627	QemuOptsList *list;
	628	FILE *fp;
	629	};
	630
	631	static int config_write_opt(const char name, const char value, void *opaque)
	632	{
	633	struct ConfigWriteData *data = opaque;
	634
	635	fprintf(data->fp, " %s = \"%s\"\n", name, value);
	636	return 0;
	637	}
	638
	639	static int config_write_opts(QemuOpts opts, void opaque)
	640	{
	641	struct ConfigWriteData *data = opaque;
	642	const char *id = qemu_opts_id(opts);
	643
	644	if (id) {
	645	fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
	646	} else {
	647	fprintf(data->fp, "[%s]\n", data->list->name);
	648	}
	649	qemu_opt_foreach(opts, config_write_opt, data, 0);
	650	fprintf(data->fp, "\n");
	651	return 0;
	652	}
	653
	654	void qemu_config_write(FILE *fp)
	655	{
	656	struct ConfigWriteData data = { .fp = fp };
490b648e	657	QemuOptsList **lists = vm_config_groups;
9d993394 GH	658	int i;
	659
	660	fprintf(fp, "# qemu config file\n\n");
	661	for (i = 0; lists[i] != NULL; i++) {
	662	data.list = lists[i];
	663	qemu_opts_foreach(data.list, config_write_opts, &data, 0);
	664	}
	665	}
42262ba8	666
490b648e	667	int qemu_config_parse(FILE fp, QemuOptsList lists, const char fname)
42262ba8 GH	668	{
42262ba8 GH	669	char line[1024], group[64], id[64], arg[64], value[1024];
cf5a65aa	670	Location loc;
42262ba8 GH	671	QemuOptsList *list = NULL;
42262ba8 GH	672	QemuOpts *opts = NULL;
cf5a65aa	673	int res = -1, lno = 0;
42262ba8	674
cf5a65aa	675	loc_push_none(&loc);
42262ba8	676	while (fgets(line, sizeof(line), fp) != NULL) {
cf5a65aa	677	loc_set_file(fname, ++lno);
42262ba8 GH	678	if (line[0] == '\n') {
	679	/* skip empty lines */
	680	continue;
	681	}
	682	if (line[0] == '#') {
	683	/* comment */
	684	continue;
	685	}
	686	if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
	687	/* group with id */
490b648e	688	list = find_list(lists, group);
42262ba8	689	if (list == NULL)
cf5a65aa	690	goto out;
42262ba8 GH	691	opts = qemu_opts_create(list, id, 1);
	692	continue;
	693	}
	694	if (sscanf(line, "[%63[^]]]", group) == 1) {
	695	/* group without id */
490b648e	696	list = find_list(lists, group);
42262ba8	697	if (list == NULL)
cf5a65aa	698	goto out;
42262ba8 GH	699	opts = qemu_opts_create(list, NULL, 0);
	700	continue;
	701	}
	702	if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
	703	/* arg = value */
	704	if (opts == NULL) {
cf5a65aa MA	705	error_report("no group defined");
cf5a65aa MA	706	goto out;
42262ba8 GH	707	}
42262ba8 GH	708	if (qemu_opt_set(opts, arg, value) != 0) {
cf5a65aa	709	goto out;
42262ba8 GH	710	}
	711	continue;
	712	}
cf5a65aa MA	713	error_report("parse error");
cf5a65aa MA	714	goto out;
42262ba8	715	}
ef82516d MA	716	if (ferror(fp)) {
	717	error_report("error reading file");
	718	goto out;
	719	}
cf5a65aa MA	720	res = 0;
	721	out:
	722	loc_pop(&loc);
	723	return res;
42262ba8	724	}
dcfb0939 KW	725
	726	int qemu_read_config_file(const char *filename)
	727	{
	728	FILE *f = fopen(filename, "r");
019e78ba KW	729	int ret;
019e78ba KW	730
dcfb0939 KW	731	if (f == NULL) {
	732	return -errno;
	733	}
	734
019e78ba	735	ret = qemu_config_parse(f, vm_config_groups, filename);
dcfb0939 KW	736	fclose(f);
dcfb0939 KW	737
019e78ba KW	738	if (ret == 0) {
	739	return 0;
	740	} else {
	741	return -EINVAL;
	742	}
dcfb0939	743	}