[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",
        },{
            .name = "iops",
            .type = QEMU_OPT_NUMBER,
            .help = "limit total I/O operations per second",
        },{
            .name = "iops_rd",
            .type = QEMU_OPT_NUMBER,
            .help = "limit read operations per second",
        },{
            .name = "iops_wr",
            .type = QEMU_OPT_NUMBER,
            .help = "limit write operations per second",
        },{
            .name = "bps",
            .type = QEMU_OPT_NUMBER,
            .help = "limit total bytes per second",
        },{
            .name = "bps_rd",
            .type = QEMU_OPT_NUMBER,
            .help = "limit read bytes per second",
        },{
            .name = "bps_wr",
            .type = QEMU_OPT_NUMBER,
            .help = "limit write bytes per second",
        },{
            .name = "copy-on-read",
            .type = QEMU_OPT_BOOL,
            .help = "copy read data from backing file into image file",
        },
        { /* 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",
0563e191 ZYW	88	},{
	89	.name = "iops",
	90	.type = QEMU_OPT_NUMBER,
	91	.help = "limit total I/O operations per second",
	92	},{
	93	.name = "iops_rd",
	94	.type = QEMU_OPT_NUMBER,
	95	.help = "limit read operations per second",
	96	},{
	97	.name = "iops_wr",
	98	.type = QEMU_OPT_NUMBER,
	99	.help = "limit write operations per second",
	100	},{
	101	.name = "bps",
	102	.type = QEMU_OPT_NUMBER,
	103	.help = "limit total bytes per second",
	104	},{
	105	.name = "bps_rd",
	106	.type = QEMU_OPT_NUMBER,
	107	.help = "limit read bytes per second",
	108	},{
	109	.name = "bps_wr",
	110	.type = QEMU_OPT_NUMBER,
	111	.help = "limit write bytes per second",
fb0490f6 SH	112	},{
	113	.name = "copy-on-read",
	114	.type = QEMU_OPT_BOOL,
	115	.help = "copy read data from backing file into image file",
7282a033	116	},
26056e0c	117	{ /* end of list */ }
7282a033 GH	118	},
	119	};
	120
3329f07b	121	static QemuOptsList qemu_chardev_opts = {
191bc01b	122	.name = "chardev",
8212c64f	123	.implied_opt_name = "backend",
72cf2d4f	124	.head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head),
191bc01b	125	.desc = {
7d31544f GH	126	{
	127	.name = "backend",
	128	.type = QEMU_OPT_STRING,
	129	},{
	130	.name = "path",
	131	.type = QEMU_OPT_STRING,
aeb2c47a GH	132	},{
	133	.name = "host",
	134	.type = QEMU_OPT_STRING,
	135	},{
	136	.name = "port",
	137	.type = QEMU_OPT_STRING,
7e1b35b4 GH	138	},{
	139	.name = "localaddr",
	140	.type = QEMU_OPT_STRING,
	141	},{
	142	.name = "localport",
	143	.type = QEMU_OPT_STRING,
aeb2c47a GH	144	},{
	145	.name = "to",
	146	.type = QEMU_OPT_NUMBER,
	147	},{
	148	.name = "ipv4",
	149	.type = QEMU_OPT_BOOL,
	150	},{
	151	.name = "ipv6",
	152	.type = QEMU_OPT_BOOL,
	153	},{
	154	.name = "wait",
	155	.type = QEMU_OPT_BOOL,
	156	},{
	157	.name = "server",
	158	.type = QEMU_OPT_BOOL,
	159	},{
	160	.name = "delay",
	161	.type = QEMU_OPT_BOOL,
	162	},{
	163	.name = "telnet",
	164	.type = QEMU_OPT_BOOL,
6ea314d9 GH	165	},{
	166	.name = "width",
	167	.type = QEMU_OPT_NUMBER,
	168	},{
	169	.name = "height",
	170	.type = QEMU_OPT_NUMBER,
	171	},{
	172	.name = "cols",
	173	.type = QEMU_OPT_NUMBER,
	174	},{
	175	.name = "rows",
	176	.type = QEMU_OPT_NUMBER,
c845f401 GH	177	},{
	178	.name = "mux",
	179	.type = QEMU_OPT_BOOL,
5989020b KK	180	},{
	181	.name = "signal",
	182	.type = QEMU_OPT_BOOL,
cbcc6336 AL	183	},{
	184	.name = "name",
	185	.type = QEMU_OPT_STRING,
	186	},{
	187	.name = "debug",
	188	.type = QEMU_OPT_NUMBER,
7d31544f	189	},
26056e0c	190	{ /* end of list */ }
191bc01b GH	191	},
	192	};
	193
74db920c GS	194	QemuOptsList qemu_fsdev_opts = {
74db920c GS	195	.name = "fsdev",
fbcbf101	196	.implied_opt_name = "fsdriver",
74db920c GS	197	.head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head),
	198	.desc = {
	199	{
fbcbf101	200	.name = "fsdriver",
74db920c GS	201	.type = QEMU_OPT_STRING,
	202	}, {
	203	.name = "path",
	204	.type = QEMU_OPT_STRING,
9ce56db6 VJJ	205	}, {
	206	.name = "security_model",
	207	.type = QEMU_OPT_STRING,
d3ab98e6 AK	208	}, {
	209	.name = "writeout",
	210	.type = QEMU_OPT_STRING,
2c74c2cb MK	211	}, {
	212	.name = "readonly",
	213	.type = QEMU_OPT_BOOL,
74db920c	214	},
2c74c2cb	215
74db920c GS	216	{ /End of list / }
	217	},
	218	};
74db920c	219
3d54abc7 GS	220	QemuOptsList qemu_virtfs_opts = {
3d54abc7 GS	221	.name = "virtfs",
fbcbf101	222	.implied_opt_name = "fsdriver",
3d54abc7 GS	223	.head = QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts.head),
	224	.desc = {
	225	{
fbcbf101	226	.name = "fsdriver",
3d54abc7 GS	227	.type = QEMU_OPT_STRING,
	228	}, {
	229	.name = "path",
	230	.type = QEMU_OPT_STRING,
	231	}, {
	232	.name = "mount_tag",
	233	.type = QEMU_OPT_STRING,
9ce56db6 VJJ	234	}, {
	235	.name = "security_model",
	236	.type = QEMU_OPT_STRING,
d3ab98e6 AK	237	}, {
	238	.name = "writeout",
	239	.type = QEMU_OPT_STRING,
2c74c2cb MK	240	}, {
	241	.name = "readonly",
	242	.type = QEMU_OPT_BOOL,
3d54abc7 GS	243	},
	244
	245	{ /End of list / }
	246	},
	247	};
3d54abc7	248
3329f07b	249	static QemuOptsList qemu_device_opts = {
f31d07d1	250	.name = "device",
8212c64f	251	.implied_opt_name = "driver",
72cf2d4f	252	.head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
f31d07d1 GH	253	.desc = {
	254	/*
	255	* no elements => accept any
	256	* sanity checking will happen later
	257	* when setting device properties
	258	*/
26056e0c	259	{ /* end of list */ }
f31d07d1 GH	260	},
	261	};
	262
3329f07b	263	static QemuOptsList qemu_netdev_opts = {
a1ea458f	264	.name = "netdev",
8212c64f	265	.implied_opt_name = "type",
a1ea458f MM	266	.head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
	267	.desc = {
	268	/*
	269	* no elements => accept any params
	270	* validation will happen later
	271	*/
	272	{ /* end of list */ }
	273	},
	274	};
	275
3329f07b	276	static QemuOptsList qemu_net_opts = {
8119b33d	277	.name = "net",
8212c64f	278	.implied_opt_name = "type",
8119b33d MM	279	.head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
	280	.desc = {
	281	/*
	282	* no elements => accept any params
	283	* validation will happen later
	284	*/
	285	{ /* end of list */ }
	286	},
	287	};
	288
3329f07b	289	static QemuOptsList qemu_rtc_opts = {
1ed2fc1f JK	290	.name = "rtc",
	291	.head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
	292	.desc = {
	293	{
	294	.name = "base",
	295	.type = QEMU_OPT_STRING,
6875204c JK	296	},{
	297	.name = "clock",
	298	.type = QEMU_OPT_STRING,
1ed2fc1f JK	299	},{
	300	.name = "driftfix",
	301	.type = QEMU_OPT_STRING,
1ed2fc1f	302	},
26056e0c	303	{ /* end of list */ }
1ed2fc1f JK	304	},
	305	};
	306
3329f07b	307	static QemuOptsList qemu_global_opts = {
d0fef6fb GH	308	.name = "global",
	309	.head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
	310	.desc = {
	311	{
	312	.name = "driver",
	313	.type = QEMU_OPT_STRING,
	314	},{
	315	.name = "property",
	316	.type = QEMU_OPT_STRING,
	317	},{
	318	.name = "value",
	319	.type = QEMU_OPT_STRING,
	320	},
26056e0c	321	{ /* end of list */ }
d0fef6fb GH	322	},
	323	};
	324
3329f07b	325	static QemuOptsList qemu_mon_opts = {
88589343	326	.name = "mon",
8212c64f	327	.implied_opt_name = "chardev",
88589343 GH	328	.head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
	329	.desc = {
	330	{
	331	.name = "mode",
	332	.type = QEMU_OPT_STRING,
	333	},{
	334	.name = "chardev",
	335	.type = QEMU_OPT_STRING,
	336	},{
	337	.name = "default",
	338	.type = QEMU_OPT_BOOL,
39eaab9a DB	339	},{
	340	.name = "pretty",
	341	.type = QEMU_OPT_BOOL,
88589343	342	},
26056e0c	343	{ /* end of list */ }
88589343 GH	344	},
	345	};
	346
ab6540d5 PS	347	static QemuOptsList qemu_trace_opts = {
	348	.name = "trace",
	349	.implied_opt_name = "trace",
	350	.head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
	351	.desc = {
	352	{
23d15e86 L	353	.name = "events",
	354	.type = QEMU_OPT_STRING,
	355	},{
ab6540d5 PS	356	.name = "file",
	357	.type = QEMU_OPT_STRING,
	358	},
44bd6907	359	{ /* end of list */ }
ab6540d5 PS	360	},
ab6540d5 PS	361	};
ab6540d5	362
3329f07b	363	static QemuOptsList qemu_cpudef_opts = {
b5ec5ce0	364	.name = "cpudef",
	365	.head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head),
	366	.desc = {
	367	{
	368	.name = "name",
	369	.type = QEMU_OPT_STRING,
	370	},{
	371	.name = "level",
	372	.type = QEMU_OPT_NUMBER,
	373	},{
	374	.name = "vendor",
	375	.type = QEMU_OPT_STRING,
	376	},{
	377	.name = "family",
	378	.type = QEMU_OPT_NUMBER,
	379	},{
	380	.name = "model",
	381	.type = QEMU_OPT_NUMBER,
	382	},{
	383	.name = "stepping",
	384	.type = QEMU_OPT_NUMBER,
	385	},{
	386	.name = "feature_edx", /* cpuid 0000_0001.edx */
	387	.type = QEMU_OPT_STRING,
	388	},{
	389	.name = "feature_ecx", /* cpuid 0000_0001.ecx */
	390	.type = QEMU_OPT_STRING,
	391	},{
	392	.name = "extfeature_edx", /* cpuid 8000_0001.edx */
	393	.type = QEMU_OPT_STRING,
	394	},{
	395	.name = "extfeature_ecx", /* cpuid 8000_0001.ecx */
	396	.type = QEMU_OPT_STRING,
	397	},{
	398	.name = "xlevel",
	399	.type = QEMU_OPT_NUMBER,
	400	},{
	401	.name = "model_id",
	402	.type = QEMU_OPT_STRING,
	403	},{
	404	.name = "vendor_override",
	405	.type = QEMU_OPT_NUMBER,
	406	},
	407	{ /* end of list */ }
	408	},
	409	};
	410
29b0040b GH	411	QemuOptsList qemu_spice_opts = {
	412	.name = "spice",
	413	.head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
	414	.desc = {
	415	{
	416	.name = "port",
	417	.type = QEMU_OPT_NUMBER,
c448e855 GH	418	},{
	419	.name = "tls-port",
	420	.type = QEMU_OPT_NUMBER,
333b0eeb GH	421	},{
	422	.name = "addr",
	423	.type = QEMU_OPT_STRING,
	424	},{
	425	.name = "ipv4",
	426	.type = QEMU_OPT_BOOL,
	427	},{
	428	.name = "ipv6",
	429	.type = QEMU_OPT_BOOL,
29b0040b GH	430	},{
	431	.name = "password",
	432	.type = QEMU_OPT_STRING,
	433	},{
	434	.name = "disable-ticketing",
	435	.type = QEMU_OPT_BOOL,
d4970b07 HG	436	},{
	437	.name = "disable-copy-paste",
	438	.type = QEMU_OPT_BOOL,
48b3ed0a MAL	439	},{
	440	.name = "sasl",
	441	.type = QEMU_OPT_BOOL,
c448e855 GH	442	},{
	443	.name = "x509-dir",
	444	.type = QEMU_OPT_STRING,
	445	},{
	446	.name = "x509-key-file",
	447	.type = QEMU_OPT_STRING,
	448	},{
	449	.name = "x509-key-password",
	450	.type = QEMU_OPT_STRING,
	451	},{
	452	.name = "x509-cert-file",
	453	.type = QEMU_OPT_STRING,
	454	},{
	455	.name = "x509-cacert-file",
	456	.type = QEMU_OPT_STRING,
	457	},{
	458	.name = "x509-dh-key-file",
	459	.type = QEMU_OPT_STRING,
	460	},{
	461	.name = "tls-ciphers",
	462	.type = QEMU_OPT_STRING,
17b6dea0 GH	463	},{
	464	.name = "tls-channel",
	465	.type = QEMU_OPT_STRING,
	466	},{
	467	.name = "plaintext-channel",
	468	.type = QEMU_OPT_STRING,
9f04e09e YH	469	},{
	470	.name = "image-compression",
	471	.type = QEMU_OPT_STRING,
	472	},{
	473	.name = "jpeg-wan-compression",
	474	.type = QEMU_OPT_STRING,
	475	},{
	476	.name = "zlib-glz-wan-compression",
	477	.type = QEMU_OPT_STRING,
84a23f25 GH	478	},{
	479	.name = "streaming-video",
	480	.type = QEMU_OPT_STRING,
	481	},{
	482	.name = "agent-mouse",
	483	.type = QEMU_OPT_BOOL,
	484	},{
	485	.name = "playback-compression",
	486	.type = QEMU_OPT_BOOL,
29b0040b	487	},
44bd6907	488	{ /* end of list */ }
29b0040b GH	489	},
	490	};
	491
2e55e842 GN	492	QemuOptsList qemu_option_rom_opts = {
	493	.name = "option-rom",
	494	.implied_opt_name = "romfile",
	495	.head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
	496	.desc = {
	497	{
	498	.name = "bootindex",
	499	.type = QEMU_OPT_NUMBER,
	500	}, {
	501	.name = "romfile",
	502	.type = QEMU_OPT_STRING,
	503	},
44bd6907	504	{ /* end of list */ }
2e55e842 GN	505	},
	506	};
	507
303d4e86 AP	508	static QemuOptsList qemu_machine_opts = {
303d4e86 AP	509	.name = "machine",
9052ea6b	510	.implied_opt_name = "type",
303d4e86 AP	511	.head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
	512	.desc = {
	513	{
9052ea6b JK	514	.name = "type",
	515	.type = QEMU_OPT_STRING,
	516	.help = "emulated machine"
	517	}, {
303d4e86 AP	518	.name = "accel",
	519	.type = QEMU_OPT_STRING,
	520	.help = "accelerator list",
	521	},
	522	{ /* End of list */ }
	523	},
	524	};
	525
3d3b8303	526	QemuOptsList qemu_boot_opts = {
	527	.name = "boot-opts",
	528	.head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
	529	.desc = {
	530	/* the three names below are not used now */
	531	{
	532	.name = "order",
	533	.type = QEMU_OPT_STRING,
	534	}, {
	535	.name = "once",
	536	.type = QEMU_OPT_STRING,
	537	}, {
	538	.name = "menu",
	539	.type = QEMU_OPT_STRING,
	540	/* following are really used */
	541	}, {
	542	.name = "splash",
	543	.type = QEMU_OPT_STRING,
	544	}, {
	545	.name = "splash-time",
	546	.type = QEMU_OPT_STRING,
	547	},
	548	{ /End of list / }
	549	},
	550	};
	551
dfe795e7	552	static QemuOptsList *vm_config_groups[32] = {
d058fe03	553	&qemu_drive_opts,
191bc01b	554	&qemu_chardev_opts,
f31d07d1	555	&qemu_device_opts,
a1ea458f	556	&qemu_netdev_opts,
8119b33d	557	&qemu_net_opts,
5fdfbf7e	558	&qemu_rtc_opts,
d0fef6fb	559	&qemu_global_opts,
88589343	560	&qemu_mon_opts,
b5ec5ce0	561	&qemu_cpudef_opts,
ab6540d5	562	&qemu_trace_opts,
2e55e842	563	&qemu_option_rom_opts,
303d4e86	564	&qemu_machine_opts,
3d3b8303	565	&qemu_boot_opts,
d058fe03 GH	566	NULL,
	567	};
	568
490b648e	569	static QemuOptsList find_list(QemuOptsList lists, const char group)
ddc97855 GH	570	{
	571	int i;
	572
	573	for (i = 0; lists[i] != NULL; i++) {
	574	if (strcmp(lists[i]->name, group) == 0)
	575	break;
	576	}
	577	if (lists[i] == NULL) {
1ecda02b	578	error_report("there is no option group \"%s\"", group);
ddc97855 GH	579	}
	580	return lists[i];
	581	}
	582
490b648e KW	583	QemuOptsList qemu_find_opts(const char group)
	584	{
	585	return find_list(vm_config_groups, group);
	586	}
	587
dfe795e7 GH	588	void qemu_add_opts(QemuOptsList *list)
	589	{
	590	int entries, i;
	591
	592	entries = ARRAY_SIZE(vm_config_groups);
	593	entries--; /* keep list NULL terminated */
	594	for (i = 0; i < entries; i++) {
	595	if (vm_config_groups[i] == NULL) {
	596	vm_config_groups[i] = list;
	597	return;
	598	}
	599	}
	600	fprintf(stderr, "ran out of space in vm_config_groups");
	601	abort();
	602	}
	603
d058fe03 GH	604	int qemu_set_option(const char *str)
	605	{
	606	char group[64], id[64], arg[64];
ddc97855	607	QemuOptsList *list;
d058fe03	608	QemuOpts *opts;
ddc97855	609	int rc, offset;
d058fe03 GH	610
	611	rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
	612	if (rc < 3 \|\| str[offset] != '=') {
1ecda02b	613	error_report("can't parse: \"%s\"", str);
d058fe03 GH	614	return -1;
	615	}
	616
304329ee	617	list = qemu_find_opts(group);
ddc97855	618	if (list == NULL) {
d058fe03 GH	619	return -1;
	620	}
	621
ddc97855	622	opts = qemu_opts_find(list, id);
d058fe03	623	if (!opts) {
1ecda02b MA	624	error_report("there is no %s \"%s\" defined",
1ecda02b MA	625	list->name, id);
d058fe03 GH	626	return -1;
	627	}
	628
3df04ac3	629	if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
d058fe03 GH	630	return -1;
	631	}
	632	return 0;
	633	}
	634
d0fef6fb GH	635	int qemu_global_option(const char *str)
	636	{
	637	char driver[64], property[64];
	638	QemuOpts *opts;
	639	int rc, offset;
	640
	641	rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
	642	if (rc < 2 \|\| str[offset] != '=') {
1ecda02b	643	error_report("can't parse: \"%s\"", str);
d0fef6fb GH	644	return -1;
	645	}
	646
	647	opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
	648	qemu_opt_set(opts, "driver", driver);
	649	qemu_opt_set(opts, "property", property);
	650	qemu_opt_set(opts, "value", str+offset+1);
	651	return 0;
	652	}
	653
9d993394 GH	654	struct ConfigWriteData {
	655	QemuOptsList *list;
	656	FILE *fp;
	657	};
	658
	659	static int config_write_opt(const char name, const char value, void *opaque)
	660	{
	661	struct ConfigWriteData *data = opaque;
	662
	663	fprintf(data->fp, " %s = \"%s\"\n", name, value);
	664	return 0;
	665	}
	666
	667	static int config_write_opts(QemuOpts opts, void opaque)
	668	{
	669	struct ConfigWriteData *data = opaque;
	670	const char *id = qemu_opts_id(opts);
	671
	672	if (id) {
	673	fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
	674	} else {
	675	fprintf(data->fp, "[%s]\n", data->list->name);
	676	}
	677	qemu_opt_foreach(opts, config_write_opt, data, 0);
	678	fprintf(data->fp, "\n");
	679	return 0;
	680	}
	681
	682	void qemu_config_write(FILE *fp)
	683	{
	684	struct ConfigWriteData data = { .fp = fp };
490b648e	685	QemuOptsList **lists = vm_config_groups;
9d993394 GH	686	int i;
	687
	688	fprintf(fp, "# qemu config file\n\n");
	689	for (i = 0; lists[i] != NULL; i++) {
	690	data.list = lists[i];
	691	qemu_opts_foreach(data.list, config_write_opts, &data, 0);
	692	}
	693	}
42262ba8	694
490b648e	695	int qemu_config_parse(FILE fp, QemuOptsList lists, const char fname)
42262ba8 GH	696	{
42262ba8 GH	697	char line[1024], group[64], id[64], arg[64], value[1024];
cf5a65aa	698	Location loc;
42262ba8 GH	699	QemuOptsList *list = NULL;
42262ba8 GH	700	QemuOpts *opts = NULL;
cf5a65aa	701	int res = -1, lno = 0;
42262ba8	702
cf5a65aa	703	loc_push_none(&loc);
42262ba8	704	while (fgets(line, sizeof(line), fp) != NULL) {
cf5a65aa	705	loc_set_file(fname, ++lno);
42262ba8 GH	706	if (line[0] == '\n') {
	707	/* skip empty lines */
	708	continue;
	709	}
	710	if (line[0] == '#') {
	711	/* comment */
	712	continue;
	713	}
	714	if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
	715	/* group with id */
490b648e	716	list = find_list(lists, group);
42262ba8	717	if (list == NULL)
cf5a65aa	718	goto out;
42262ba8 GH	719	opts = qemu_opts_create(list, id, 1);
	720	continue;
	721	}
	722	if (sscanf(line, "[%63[^]]]", group) == 1) {
	723	/* group without id */
490b648e	724	list = find_list(lists, group);
42262ba8	725	if (list == NULL)
cf5a65aa	726	goto out;
42262ba8 GH	727	opts = qemu_opts_create(list, NULL, 0);
	728	continue;
	729	}
	730	if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
	731	/* arg = value */
	732	if (opts == NULL) {
cf5a65aa MA	733	error_report("no group defined");
cf5a65aa MA	734	goto out;
42262ba8 GH	735	}
42262ba8 GH	736	if (qemu_opt_set(opts, arg, value) != 0) {
cf5a65aa	737	goto out;
42262ba8 GH	738	}
	739	continue;
	740	}
cf5a65aa MA	741	error_report("parse error");
cf5a65aa MA	742	goto out;
42262ba8	743	}
ef82516d MA	744	if (ferror(fp)) {
	745	error_report("error reading file");
	746	goto out;
	747	}
cf5a65aa MA	748	res = 0;
	749	out:
	750	loc_pop(&loc);
	751	return res;
42262ba8	752	}
dcfb0939 KW	753
	754	int qemu_read_config_file(const char *filename)
	755	{
	756	FILE *f = fopen(filename, "r");
019e78ba KW	757	int ret;
019e78ba KW	758
dcfb0939 KW	759	if (f == NULL) {
	760	return -errno;
	761	}
	762
019e78ba	763	ret = qemu_config_parse(f, vm_config_groups, filename);
dcfb0939 KW	764	fclose(f);
dcfb0939 KW	765
019e78ba KW	766	if (ret == 0) {
	767	return 0;
	768	} else {
	769	return -EINVAL;
	770	}
dcfb0939	771	}