[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,
        }, {
            .name = "sock_fd",
            .type = QEMU_OPT_NUMBER,
        },

        { /*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,
        }, {
            .name = "sock_fd",
            .type = QEMU_OPT_NUMBER,
        },

        { /*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 VJ	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,
4c793dda MK	214	}, {
	215	.name = "sock_fd",
	216	.type = QEMU_OPT_NUMBER,
74db920c	217	},
2c74c2cb	218
74db920c GS	219	{ /End of list / }
	220	},
	221	};
74db920c	222
3d54abc7 GS	223	QemuOptsList qemu_virtfs_opts = {
3d54abc7 GS	224	.name = "virtfs",
fbcbf101	225	.implied_opt_name = "fsdriver",
3d54abc7 GS	226	.head = QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts.head),
	227	.desc = {
	228	{
fbcbf101	229	.name = "fsdriver",
3d54abc7 GS	230	.type = QEMU_OPT_STRING,
	231	}, {
	232	.name = "path",
	233	.type = QEMU_OPT_STRING,
	234	}, {
	235	.name = "mount_tag",
	236	.type = QEMU_OPT_STRING,
9ce56db6 VJ	237	}, {
	238	.name = "security_model",
	239	.type = QEMU_OPT_STRING,
d3ab98e6 AK	240	}, {
	241	.name = "writeout",
	242	.type = QEMU_OPT_STRING,
2c74c2cb MK	243	}, {
	244	.name = "readonly",
	245	.type = QEMU_OPT_BOOL,
4c793dda MK	246	}, {
	247	.name = "sock_fd",
	248	.type = QEMU_OPT_NUMBER,
3d54abc7 GS	249	},
	250
	251	{ /End of list / }
	252	},
	253	};
3d54abc7	254
3329f07b	255	static QemuOptsList qemu_device_opts = {
f31d07d1	256	.name = "device",
8212c64f	257	.implied_opt_name = "driver",
72cf2d4f	258	.head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
f31d07d1 GH	259	.desc = {
	260	/*
	261	* no elements => accept any
	262	* sanity checking will happen later
	263	* when setting device properties
	264	*/
26056e0c	265	{ /* end of list */ }
f31d07d1 GH	266	},
	267	};
	268
3329f07b	269	static QemuOptsList qemu_netdev_opts = {
a1ea458f	270	.name = "netdev",
8212c64f	271	.implied_opt_name = "type",
a1ea458f MM	272	.head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
	273	.desc = {
	274	/*
	275	* no elements => accept any params
	276	* validation will happen later
	277	*/
	278	{ /* end of list */ }
	279	},
	280	};
	281
3329f07b	282	static QemuOptsList qemu_net_opts = {
8119b33d	283	.name = "net",
8212c64f	284	.implied_opt_name = "type",
8119b33d MM	285	.head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
	286	.desc = {
	287	/*
	288	* no elements => accept any params
	289	* validation will happen later
	290	*/
	291	{ /* end of list */ }
	292	},
	293	};
	294
3329f07b	295	static QemuOptsList qemu_rtc_opts = {
1ed2fc1f JK	296	.name = "rtc",
	297	.head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
	298	.desc = {
	299	{
	300	.name = "base",
	301	.type = QEMU_OPT_STRING,
6875204c JK	302	},{
	303	.name = "clock",
	304	.type = QEMU_OPT_STRING,
1ed2fc1f JK	305	},{
	306	.name = "driftfix",
	307	.type = QEMU_OPT_STRING,
1ed2fc1f	308	},
26056e0c	309	{ /* end of list */ }
1ed2fc1f JK	310	},
	311	};
	312
3329f07b	313	static QemuOptsList qemu_global_opts = {
d0fef6fb GH	314	.name = "global",
	315	.head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
	316	.desc = {
	317	{
	318	.name = "driver",
	319	.type = QEMU_OPT_STRING,
	320	},{
	321	.name = "property",
	322	.type = QEMU_OPT_STRING,
	323	},{
	324	.name = "value",
	325	.type = QEMU_OPT_STRING,
	326	},
26056e0c	327	{ /* end of list */ }
d0fef6fb GH	328	},
	329	};
	330
3329f07b	331	static QemuOptsList qemu_mon_opts = {
88589343	332	.name = "mon",
8212c64f	333	.implied_opt_name = "chardev",
88589343 GH	334	.head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
	335	.desc = {
	336	{
	337	.name = "mode",
	338	.type = QEMU_OPT_STRING,
	339	},{
	340	.name = "chardev",
	341	.type = QEMU_OPT_STRING,
	342	},{
	343	.name = "default",
	344	.type = QEMU_OPT_BOOL,
39eaab9a DB	345	},{
	346	.name = "pretty",
	347	.type = QEMU_OPT_BOOL,
88589343	348	},
26056e0c	349	{ /* end of list */ }
88589343 GH	350	},
	351	};
	352
ab6540d5 PS	353	static QemuOptsList qemu_trace_opts = {
	354	.name = "trace",
	355	.implied_opt_name = "trace",
	356	.head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
	357	.desc = {
	358	{
23d15e86 LV	359	.name = "events",
	360	.type = QEMU_OPT_STRING,
	361	},{
ab6540d5 PS	362	.name = "file",
	363	.type = QEMU_OPT_STRING,
	364	},
44bd6907	365	{ /* end of list */ }
ab6540d5 PS	366	},
ab6540d5 PS	367	};
ab6540d5	368
3329f07b	369	static QemuOptsList qemu_cpudef_opts = {
b5ec5ce0	370	.name = "cpudef",
	371	.head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head),
	372	.desc = {
	373	{
	374	.name = "name",
	375	.type = QEMU_OPT_STRING,
	376	},{
	377	.name = "level",
	378	.type = QEMU_OPT_NUMBER,
	379	},{
	380	.name = "vendor",
	381	.type = QEMU_OPT_STRING,
	382	},{
	383	.name = "family",
	384	.type = QEMU_OPT_NUMBER,
	385	},{
	386	.name = "model",
	387	.type = QEMU_OPT_NUMBER,
	388	},{
	389	.name = "stepping",
	390	.type = QEMU_OPT_NUMBER,
	391	},{
	392	.name = "feature_edx", /* cpuid 0000_0001.edx */
	393	.type = QEMU_OPT_STRING,
	394	},{
	395	.name = "feature_ecx", /* cpuid 0000_0001.ecx */
	396	.type = QEMU_OPT_STRING,
	397	},{
	398	.name = "extfeature_edx", /* cpuid 8000_0001.edx */
	399	.type = QEMU_OPT_STRING,
	400	},{
	401	.name = "extfeature_ecx", /* cpuid 8000_0001.ecx */
	402	.type = QEMU_OPT_STRING,
	403	},{
	404	.name = "xlevel",
	405	.type = QEMU_OPT_NUMBER,
	406	},{
	407	.name = "model_id",
	408	.type = QEMU_OPT_STRING,
	409	},{
	410	.name = "vendor_override",
	411	.type = QEMU_OPT_NUMBER,
	412	},
	413	{ /* end of list */ }
	414	},
	415	};
	416
29b0040b GH	417	QemuOptsList qemu_spice_opts = {
	418	.name = "spice",
	419	.head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
	420	.desc = {
	421	{
	422	.name = "port",
	423	.type = QEMU_OPT_NUMBER,
c448e855 GH	424	},{
	425	.name = "tls-port",
	426	.type = QEMU_OPT_NUMBER,
333b0eeb GH	427	},{
	428	.name = "addr",
	429	.type = QEMU_OPT_STRING,
	430	},{
	431	.name = "ipv4",
	432	.type = QEMU_OPT_BOOL,
	433	},{
	434	.name = "ipv6",
	435	.type = QEMU_OPT_BOOL,
29b0040b GH	436	},{
	437	.name = "password",
	438	.type = QEMU_OPT_STRING,
	439	},{
	440	.name = "disable-ticketing",
	441	.type = QEMU_OPT_BOOL,
d4970b07 HG	442	},{
	443	.name = "disable-copy-paste",
	444	.type = QEMU_OPT_BOOL,
48b3ed0a MAL	445	},{
	446	.name = "sasl",
	447	.type = QEMU_OPT_BOOL,
c448e855 GH	448	},{
	449	.name = "x509-dir",
	450	.type = QEMU_OPT_STRING,
	451	},{
	452	.name = "x509-key-file",
	453	.type = QEMU_OPT_STRING,
	454	},{
	455	.name = "x509-key-password",
	456	.type = QEMU_OPT_STRING,
	457	},{
	458	.name = "x509-cert-file",
	459	.type = QEMU_OPT_STRING,
	460	},{
	461	.name = "x509-cacert-file",
	462	.type = QEMU_OPT_STRING,
	463	},{
	464	.name = "x509-dh-key-file",
	465	.type = QEMU_OPT_STRING,
	466	},{
	467	.name = "tls-ciphers",
	468	.type = QEMU_OPT_STRING,
17b6dea0 GH	469	},{
	470	.name = "tls-channel",
	471	.type = QEMU_OPT_STRING,
	472	},{
	473	.name = "plaintext-channel",
	474	.type = QEMU_OPT_STRING,
9f04e09e YH	475	},{
	476	.name = "image-compression",
	477	.type = QEMU_OPT_STRING,
	478	},{
	479	.name = "jpeg-wan-compression",
	480	.type = QEMU_OPT_STRING,
	481	},{
	482	.name = "zlib-glz-wan-compression",
	483	.type = QEMU_OPT_STRING,
84a23f25 GH	484	},{
	485	.name = "streaming-video",
	486	.type = QEMU_OPT_STRING,
	487	},{
	488	.name = "agent-mouse",
	489	.type = QEMU_OPT_BOOL,
	490	},{
	491	.name = "playback-compression",
	492	.type = QEMU_OPT_BOOL,
29b0040b	493	},
44bd6907	494	{ /* end of list */ }
29b0040b GH	495	},
	496	};
	497
2e55e842 GN	498	QemuOptsList qemu_option_rom_opts = {
	499	.name = "option-rom",
	500	.implied_opt_name = "romfile",
	501	.head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
	502	.desc = {
	503	{
	504	.name = "bootindex",
	505	.type = QEMU_OPT_NUMBER,
	506	}, {
	507	.name = "romfile",
	508	.type = QEMU_OPT_STRING,
	509	},
44bd6907	510	{ /* end of list */ }
2e55e842 GN	511	},
	512	};
	513
303d4e86 AP	514	static QemuOptsList qemu_machine_opts = {
303d4e86 AP	515	.name = "machine",
9052ea6b	516	.implied_opt_name = "type",
303d4e86 AP	517	.head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
	518	.desc = {
	519	{
9052ea6b JK	520	.name = "type",
	521	.type = QEMU_OPT_STRING,
	522	.help = "emulated machine"
	523	}, {
303d4e86 AP	524	.name = "accel",
	525	.type = QEMU_OPT_STRING,
	526	.help = "accelerator list",
	527	},
	528	{ /* End of list */ }
	529	},
	530	};
	531
3d3b8303 WX	532	QemuOptsList qemu_boot_opts = {
	533	.name = "boot-opts",
	534	.head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
	535	.desc = {
	536	/* the three names below are not used now */
	537	{
	538	.name = "order",
	539	.type = QEMU_OPT_STRING,
	540	}, {
	541	.name = "once",
	542	.type = QEMU_OPT_STRING,
	543	}, {
	544	.name = "menu",
	545	.type = QEMU_OPT_STRING,
	546	/* following are really used */
	547	}, {
	548	.name = "splash",
	549	.type = QEMU_OPT_STRING,
	550	}, {
	551	.name = "splash-time",
	552	.type = QEMU_OPT_STRING,
	553	},
	554	{ /End of list / }
	555	},
	556	};
	557
dfe795e7	558	static QemuOptsList *vm_config_groups[32] = {
d058fe03	559	&qemu_drive_opts,
191bc01b	560	&qemu_chardev_opts,
f31d07d1	561	&qemu_device_opts,
a1ea458f	562	&qemu_netdev_opts,
8119b33d	563	&qemu_net_opts,
5fdfbf7e	564	&qemu_rtc_opts,
d0fef6fb	565	&qemu_global_opts,
88589343	566	&qemu_mon_opts,
b5ec5ce0	567	&qemu_cpudef_opts,
ab6540d5	568	&qemu_trace_opts,
2e55e842	569	&qemu_option_rom_opts,
303d4e86	570	&qemu_machine_opts,
3d3b8303	571	&qemu_boot_opts,
d058fe03 GH	572	NULL,
	573	};
	574
490b648e	575	static QemuOptsList find_list(QemuOptsList lists, const char group)
ddc97855 GH	576	{
	577	int i;
	578
	579	for (i = 0; lists[i] != NULL; i++) {
	580	if (strcmp(lists[i]->name, group) == 0)
	581	break;
	582	}
	583	if (lists[i] == NULL) {
1ecda02b	584	error_report("there is no option group \"%s\"", group);
ddc97855 GH	585	}
	586	return lists[i];
	587	}
	588
490b648e KW	589	QemuOptsList qemu_find_opts(const char group)
	590	{
	591	return find_list(vm_config_groups, group);
	592	}
	593
dfe795e7 GH	594	void qemu_add_opts(QemuOptsList *list)
	595	{
	596	int entries, i;
	597
	598	entries = ARRAY_SIZE(vm_config_groups);
	599	entries--; /* keep list NULL terminated */
	600	for (i = 0; i < entries; i++) {
	601	if (vm_config_groups[i] == NULL) {
	602	vm_config_groups[i] = list;
	603	return;
	604	}
	605	}
	606	fprintf(stderr, "ran out of space in vm_config_groups");
	607	abort();
	608	}
	609
d058fe03 GH	610	int qemu_set_option(const char *str)
	611	{
	612	char group[64], id[64], arg[64];
ddc97855	613	QemuOptsList *list;
d058fe03	614	QemuOpts *opts;
ddc97855	615	int rc, offset;
d058fe03 GH	616
	617	rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
	618	if (rc < 3 \|\| str[offset] != '=') {
1ecda02b	619	error_report("can't parse: \"%s\"", str);
d058fe03 GH	620	return -1;
	621	}
	622
304329ee	623	list = qemu_find_opts(group);
ddc97855	624	if (list == NULL) {
d058fe03 GH	625	return -1;
	626	}
	627
ddc97855	628	opts = qemu_opts_find(list, id);
d058fe03	629	if (!opts) {
1ecda02b MA	630	error_report("there is no %s \"%s\" defined",
1ecda02b MA	631	list->name, id);
d058fe03 GH	632	return -1;
	633	}
	634
3df04ac3	635	if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
d058fe03 GH	636	return -1;
	637	}
	638	return 0;
	639	}
	640
d0fef6fb GH	641	int qemu_global_option(const char *str)
	642	{
	643	char driver[64], property[64];
	644	QemuOpts *opts;
	645	int rc, offset;
	646
	647	rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
	648	if (rc < 2 \|\| str[offset] != '=') {
1ecda02b	649	error_report("can't parse: \"%s\"", str);
d0fef6fb GH	650	return -1;
	651	}
	652
	653	opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
	654	qemu_opt_set(opts, "driver", driver);
	655	qemu_opt_set(opts, "property", property);
	656	qemu_opt_set(opts, "value", str+offset+1);
	657	return 0;
	658	}
	659
9d993394 GH	660	struct ConfigWriteData {
	661	QemuOptsList *list;
	662	FILE *fp;
	663	};
	664
	665	static int config_write_opt(const char name, const char value, void *opaque)
	666	{
	667	struct ConfigWriteData *data = opaque;
	668
	669	fprintf(data->fp, " %s = \"%s\"\n", name, value);
	670	return 0;
	671	}
	672
	673	static int config_write_opts(QemuOpts opts, void opaque)
	674	{
	675	struct ConfigWriteData *data = opaque;
	676	const char *id = qemu_opts_id(opts);
	677
	678	if (id) {
	679	fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
	680	} else {
	681	fprintf(data->fp, "[%s]\n", data->list->name);
	682	}
	683	qemu_opt_foreach(opts, config_write_opt, data, 0);
	684	fprintf(data->fp, "\n");
	685	return 0;
	686	}
	687
	688	void qemu_config_write(FILE *fp)
	689	{
	690	struct ConfigWriteData data = { .fp = fp };
490b648e	691	QemuOptsList **lists = vm_config_groups;
9d993394 GH	692	int i;
	693
	694	fprintf(fp, "# qemu config file\n\n");
	695	for (i = 0; lists[i] != NULL; i++) {
	696	data.list = lists[i];
	697	qemu_opts_foreach(data.list, config_write_opts, &data, 0);
	698	}
	699	}
42262ba8	700
490b648e	701	int qemu_config_parse(FILE fp, QemuOptsList lists, const char fname)
42262ba8 GH	702	{
42262ba8 GH	703	char line[1024], group[64], id[64], arg[64], value[1024];
cf5a65aa	704	Location loc;
42262ba8 GH	705	QemuOptsList *list = NULL;
42262ba8 GH	706	QemuOpts *opts = NULL;
cf5a65aa	707	int res = -1, lno = 0;
42262ba8	708
cf5a65aa	709	loc_push_none(&loc);
42262ba8	710	while (fgets(line, sizeof(line), fp) != NULL) {
cf5a65aa	711	loc_set_file(fname, ++lno);
42262ba8 GH	712	if (line[0] == '\n') {
	713	/* skip empty lines */
	714	continue;
	715	}
	716	if (line[0] == '#') {
	717	/* comment */
	718	continue;
	719	}
	720	if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
	721	/* group with id */
490b648e	722	list = find_list(lists, group);
42262ba8	723	if (list == NULL)
cf5a65aa	724	goto out;
42262ba8 GH	725	opts = qemu_opts_create(list, id, 1);
	726	continue;
	727	}
	728	if (sscanf(line, "[%63[^]]]", group) == 1) {
	729	/* group without id */
490b648e	730	list = find_list(lists, group);
42262ba8	731	if (list == NULL)
cf5a65aa	732	goto out;
42262ba8 GH	733	opts = qemu_opts_create(list, NULL, 0);
	734	continue;
	735	}
	736	if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
	737	/* arg = value */
	738	if (opts == NULL) {
cf5a65aa MA	739	error_report("no group defined");
cf5a65aa MA	740	goto out;
42262ba8 GH	741	}
42262ba8 GH	742	if (qemu_opt_set(opts, arg, value) != 0) {
cf5a65aa	743	goto out;
42262ba8 GH	744	}
	745	continue;
	746	}
cf5a65aa MA	747	error_report("parse error");
cf5a65aa MA	748	goto out;
42262ba8	749	}
ef82516d MA	750	if (ferror(fp)) {
	751	error_report("error reading file");
	752	goto out;
	753	}
cf5a65aa MA	754	res = 0;
	755	out:
	756	loc_pop(&loc);
	757	return res;
42262ba8	758	}
dcfb0939 KW	759
	760	int qemu_read_config_file(const char *filename)
	761	{
	762	FILE *f = fopen(filename, "r");
019e78ba KW	763	int ret;
019e78ba KW	764
dcfb0939 KW	765	if (f == NULL) {
	766	return -errno;
	767	}
	768
019e78ba	769	ret = qemu_config_parse(f, vm_config_groups, filename);
dcfb0939 KW	770	fclose(f);
dcfb0939 KW	771
019e78ba KW	772	if (ret == 0) {
	773	return 0;
	774	} else {
	775	return -EINVAL;
	776	}
dcfb0939	777	}