[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,
        },{
            .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,
        },{
            .name = "file",
            .type = QEMU_OPT_STRING,
            .help = "disk image",
        },{
            .name = "cache",
            .type = QEMU_OPT_STRING,
            .help = "host cache usage (none, writeback, writethrough, 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,
        },{
            .name = "rerror",
            .type = QEMU_OPT_STRING,
        },{
            .name = "werror",
            .type = QEMU_OPT_STRING,
        },{
            .name = "addr",
            .type = QEMU_OPT_STRING,
            .help = "pci address (virtio only)",
        },{
            .name = "readonly",
            .type = QEMU_OPT_BOOL,
        },
        { /* 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 = "fstype",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head),
    .desc = {
        {
            .name = "fstype",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "path",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "security_model",
            .type = QEMU_OPT_STRING,
        },
        { /*End of list */ }
    },
};

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

        { /*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 */ }
    },
};

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

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",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
    .desc = {
        {
            .name = "accel",
            .type = QEMU_OPT_STRING,
            .help = "accelerator list",
        },
        { /* 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,
#ifdef CONFIG_SIMPLE_TRACE
    &qemu_trace_opts,
#endif
    &qemu_option_rom_opts,
    &qemu_machine_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,
	26	},{
	27	.name = "cyls",
	28	.type = QEMU_OPT_NUMBER,
	29	.help = "number of cylinders (ide disk geometry)",
	30	},{
	31	.name = "heads",
	32	.type = QEMU_OPT_NUMBER,
	33	.help = "number of heads (ide disk geometry)",
	34	},{
	35	.name = "secs",
	36	.type = QEMU_OPT_NUMBER,
	37	.help = "number of sectors (ide disk geometry)",
	38	},{
	39	.name = "trans",
	40	.type = QEMU_OPT_STRING,
	41	.help = "chs translation (auto, lba. none)",
	42	},{
	43	.name = "media",
	44	.type = QEMU_OPT_STRING,
	45	.help = "media type (disk, cdrom)",
	46	},{
	47	.name = "snapshot",
	48	.type = QEMU_OPT_BOOL,
	49	},{
	50	.name = "file",
	51	.type = QEMU_OPT_STRING,
	52	.help = "disk image",
	53	},{
	54	.name = "cache",
	55	.type = QEMU_OPT_STRING,
016f5cf6	56	.help = "host cache usage (none, writeback, writethrough, unsafe)",
5c6c3a6c CH	57	},{
	58	.name = "aio",
	59	.type = QEMU_OPT_STRING,
	60	.help = "host AIO implementation (threads, native)",
7282a033 GH	61	},{
	62	.name = "format",
	63	.type = QEMU_OPT_STRING,
	64	.help = "disk format (raw, qcow2, ...)",
	65	},{
	66	.name = "serial",
	67	.type = QEMU_OPT_STRING,
e9b2e818 KW	68	},{
	69	.name = "rerror",
	70	.type = QEMU_OPT_STRING,
7282a033 GH	71	},{
	72	.name = "werror",
	73	.type = QEMU_OPT_STRING,
	74	},{
	75	.name = "addr",
	76	.type = QEMU_OPT_STRING,
	77	.help = "pci address (virtio only)",
59f2689d NS	78	},{
	79	.name = "readonly",
	80	.type = QEMU_OPT_BOOL,
7282a033	81	},
26056e0c	82	{ /* end of list */ }
7282a033 GH	83	},
	84	};
	85
3329f07b	86	static QemuOptsList qemu_chardev_opts = {
191bc01b	87	.name = "chardev",
8212c64f	88	.implied_opt_name = "backend",
72cf2d4f	89	.head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head),
191bc01b	90	.desc = {
7d31544f GH	91	{
	92	.name = "backend",
	93	.type = QEMU_OPT_STRING,
	94	},{
	95	.name = "path",
	96	.type = QEMU_OPT_STRING,
aeb2c47a GH	97	},{
	98	.name = "host",
	99	.type = QEMU_OPT_STRING,
	100	},{
	101	.name = "port",
	102	.type = QEMU_OPT_STRING,
7e1b35b4 GH	103	},{
	104	.name = "localaddr",
	105	.type = QEMU_OPT_STRING,
	106	},{
	107	.name = "localport",
	108	.type = QEMU_OPT_STRING,
aeb2c47a GH	109	},{
	110	.name = "to",
	111	.type = QEMU_OPT_NUMBER,
	112	},{
	113	.name = "ipv4",
	114	.type = QEMU_OPT_BOOL,
	115	},{
	116	.name = "ipv6",
	117	.type = QEMU_OPT_BOOL,
	118	},{
	119	.name = "wait",
	120	.type = QEMU_OPT_BOOL,
	121	},{
	122	.name = "server",
	123	.type = QEMU_OPT_BOOL,
	124	},{
	125	.name = "delay",
	126	.type = QEMU_OPT_BOOL,
	127	},{
	128	.name = "telnet",
	129	.type = QEMU_OPT_BOOL,
6ea314d9 GH	130	},{
	131	.name = "width",
	132	.type = QEMU_OPT_NUMBER,
	133	},{
	134	.name = "height",
	135	.type = QEMU_OPT_NUMBER,
	136	},{
	137	.name = "cols",
	138	.type = QEMU_OPT_NUMBER,
	139	},{
	140	.name = "rows",
	141	.type = QEMU_OPT_NUMBER,
c845f401 GH	142	},{
	143	.name = "mux",
	144	.type = QEMU_OPT_BOOL,
5989020b KK	145	},{
	146	.name = "signal",
	147	.type = QEMU_OPT_BOOL,
cbcc6336 AL	148	},{
	149	.name = "name",
	150	.type = QEMU_OPT_STRING,
	151	},{
	152	.name = "debug",
	153	.type = QEMU_OPT_NUMBER,
7d31544f	154	},
26056e0c	155	{ /* end of list */ }
191bc01b GH	156	},
	157	};
	158
74db920c GS	159	QemuOptsList qemu_fsdev_opts = {
	160	.name = "fsdev",
	161	.implied_opt_name = "fstype",
	162	.head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head),
	163	.desc = {
	164	{
	165	.name = "fstype",
	166	.type = QEMU_OPT_STRING,
	167	}, {
	168	.name = "path",
	169	.type = QEMU_OPT_STRING,
9ce56db6 VJJ	170	}, {
	171	.name = "security_model",
	172	.type = QEMU_OPT_STRING,
74db920c GS	173	},
	174	{ /End of list / }
	175	},
	176	};
74db920c	177
3d54abc7 GS	178	QemuOptsList qemu_virtfs_opts = {
	179	.name = "virtfs",
	180	.implied_opt_name = "fstype",
	181	.head = QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts.head),
	182	.desc = {
	183	{
	184	.name = "fstype",
	185	.type = QEMU_OPT_STRING,
	186	}, {
	187	.name = "path",
	188	.type = QEMU_OPT_STRING,
	189	}, {
	190	.name = "mount_tag",
	191	.type = QEMU_OPT_STRING,
9ce56db6 VJJ	192	}, {
	193	.name = "security_model",
	194	.type = QEMU_OPT_STRING,
3d54abc7 GS	195	},
	196
	197	{ /End of list / }
	198	},
	199	};
3d54abc7	200
3329f07b	201	static QemuOptsList qemu_device_opts = {
f31d07d1	202	.name = "device",
8212c64f	203	.implied_opt_name = "driver",
72cf2d4f	204	.head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
f31d07d1 GH	205	.desc = {
	206	/*
	207	* no elements => accept any
	208	* sanity checking will happen later
	209	* when setting device properties
	210	*/
26056e0c	211	{ /* end of list */ }
f31d07d1 GH	212	},
	213	};
	214
3329f07b	215	static QemuOptsList qemu_netdev_opts = {
a1ea458f	216	.name = "netdev",
8212c64f	217	.implied_opt_name = "type",
a1ea458f MM	218	.head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
	219	.desc = {
	220	/*
	221	* no elements => accept any params
	222	* validation will happen later
	223	*/
	224	{ /* end of list */ }
	225	},
	226	};
	227
3329f07b	228	static QemuOptsList qemu_net_opts = {
8119b33d	229	.name = "net",
8212c64f	230	.implied_opt_name = "type",
8119b33d MM	231	.head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
	232	.desc = {
	233	/*
	234	* no elements => accept any params
	235	* validation will happen later
	236	*/
	237	{ /* end of list */ }
	238	},
	239	};
	240
3329f07b	241	static QemuOptsList qemu_rtc_opts = {
1ed2fc1f JK	242	.name = "rtc",
	243	.head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
	244	.desc = {
	245	{
	246	.name = "base",
	247	.type = QEMU_OPT_STRING,
6875204c JK	248	},{
	249	.name = "clock",
	250	.type = QEMU_OPT_STRING,
1ed2fc1f JK	251	},{
	252	.name = "driftfix",
	253	.type = QEMU_OPT_STRING,
1ed2fc1f	254	},
26056e0c	255	{ /* end of list */ }
1ed2fc1f JK	256	},
	257	};
	258
3329f07b	259	static QemuOptsList qemu_global_opts = {
d0fef6fb GH	260	.name = "global",
	261	.head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
	262	.desc = {
	263	{
	264	.name = "driver",
	265	.type = QEMU_OPT_STRING,
	266	},{
	267	.name = "property",
	268	.type = QEMU_OPT_STRING,
	269	},{
	270	.name = "value",
	271	.type = QEMU_OPT_STRING,
	272	},
26056e0c	273	{ /* end of list */ }
d0fef6fb GH	274	},
	275	};
	276
3329f07b	277	static QemuOptsList qemu_mon_opts = {
88589343	278	.name = "mon",
8212c64f	279	.implied_opt_name = "chardev",
88589343 GH	280	.head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
	281	.desc = {
	282	{
	283	.name = "mode",
	284	.type = QEMU_OPT_STRING,
	285	},{
	286	.name = "chardev",
	287	.type = QEMU_OPT_STRING,
	288	},{
	289	.name = "default",
	290	.type = QEMU_OPT_BOOL,
39eaab9a DB	291	},{
	292	.name = "pretty",
	293	.type = QEMU_OPT_BOOL,
88589343	294	},
26056e0c	295	{ /* end of list */ }
88589343 GH	296	},
	297	};
	298
ab6540d5 PS	299	#ifdef CONFIG_SIMPLE_TRACE
	300	static QemuOptsList qemu_trace_opts = {
	301	.name = "trace",
	302	.implied_opt_name = "trace",
	303	.head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
	304	.desc = {
	305	{
	306	.name = "file",
	307	.type = QEMU_OPT_STRING,
	308	},
44bd6907	309	{ /* end of list */ }
ab6540d5 PS	310	},
	311	};
	312	#endif
	313
3329f07b	314	static QemuOptsList qemu_cpudef_opts = {
b5ec5ce0	315	.name = "cpudef",
	316	.head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head),
	317	.desc = {
	318	{
	319	.name = "name",
	320	.type = QEMU_OPT_STRING,
	321	},{
	322	.name = "level",
	323	.type = QEMU_OPT_NUMBER,
	324	},{
	325	.name = "vendor",
	326	.type = QEMU_OPT_STRING,
	327	},{
	328	.name = "family",
	329	.type = QEMU_OPT_NUMBER,
	330	},{
	331	.name = "model",
	332	.type = QEMU_OPT_NUMBER,
	333	},{
	334	.name = "stepping",
	335	.type = QEMU_OPT_NUMBER,
	336	},{
	337	.name = "feature_edx", /* cpuid 0000_0001.edx */
	338	.type = QEMU_OPT_STRING,
	339	},{
	340	.name = "feature_ecx", /* cpuid 0000_0001.ecx */
	341	.type = QEMU_OPT_STRING,
	342	},{
	343	.name = "extfeature_edx", /* cpuid 8000_0001.edx */
	344	.type = QEMU_OPT_STRING,
	345	},{
	346	.name = "extfeature_ecx", /* cpuid 8000_0001.ecx */
	347	.type = QEMU_OPT_STRING,
	348	},{
	349	.name = "xlevel",
	350	.type = QEMU_OPT_NUMBER,
	351	},{
	352	.name = "model_id",
	353	.type = QEMU_OPT_STRING,
	354	},{
	355	.name = "vendor_override",
	356	.type = QEMU_OPT_NUMBER,
	357	},
	358	{ /* end of list */ }
	359	},
	360	};
	361
29b0040b GH	362	QemuOptsList qemu_spice_opts = {
	363	.name = "spice",
	364	.head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
	365	.desc = {
	366	{
	367	.name = "port",
	368	.type = QEMU_OPT_NUMBER,
c448e855 GH	369	},{
	370	.name = "tls-port",
	371	.type = QEMU_OPT_NUMBER,
333b0eeb GH	372	},{
	373	.name = "addr",
	374	.type = QEMU_OPT_STRING,
	375	},{
	376	.name = "ipv4",
	377	.type = QEMU_OPT_BOOL,
	378	},{
	379	.name = "ipv6",
	380	.type = QEMU_OPT_BOOL,
29b0040b GH	381	},{
	382	.name = "password",
	383	.type = QEMU_OPT_STRING,
	384	},{
	385	.name = "disable-ticketing",
	386	.type = QEMU_OPT_BOOL,
d4970b07 HG	387	},{
	388	.name = "disable-copy-paste",
	389	.type = QEMU_OPT_BOOL,
48b3ed0a MAL	390	},{
	391	.name = "sasl",
	392	.type = QEMU_OPT_BOOL,
c448e855 GH	393	},{
	394	.name = "x509-dir",
	395	.type = QEMU_OPT_STRING,
	396	},{
	397	.name = "x509-key-file",
	398	.type = QEMU_OPT_STRING,
	399	},{
	400	.name = "x509-key-password",
	401	.type = QEMU_OPT_STRING,
	402	},{
	403	.name = "x509-cert-file",
	404	.type = QEMU_OPT_STRING,
	405	},{
	406	.name = "x509-cacert-file",
	407	.type = QEMU_OPT_STRING,
	408	},{
	409	.name = "x509-dh-key-file",
	410	.type = QEMU_OPT_STRING,
	411	},{
	412	.name = "tls-ciphers",
	413	.type = QEMU_OPT_STRING,
17b6dea0 GH	414	},{
	415	.name = "tls-channel",
	416	.type = QEMU_OPT_STRING,
	417	},{
	418	.name = "plaintext-channel",
	419	.type = QEMU_OPT_STRING,
9f04e09e YH	420	},{
	421	.name = "image-compression",
	422	.type = QEMU_OPT_STRING,
	423	},{
	424	.name = "jpeg-wan-compression",
	425	.type = QEMU_OPT_STRING,
	426	},{
	427	.name = "zlib-glz-wan-compression",
	428	.type = QEMU_OPT_STRING,
84a23f25 GH	429	},{
	430	.name = "streaming-video",
	431	.type = QEMU_OPT_STRING,
	432	},{
	433	.name = "agent-mouse",
	434	.type = QEMU_OPT_BOOL,
	435	},{
	436	.name = "playback-compression",
	437	.type = QEMU_OPT_BOOL,
29b0040b	438	},
44bd6907	439	{ /* end of list */ }
29b0040b GH	440	},
	441	};
	442
2e55e842 GN	443	QemuOptsList qemu_option_rom_opts = {
	444	.name = "option-rom",
	445	.implied_opt_name = "romfile",
	446	.head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
	447	.desc = {
	448	{
	449	.name = "bootindex",
	450	.type = QEMU_OPT_NUMBER,
	451	}, {
	452	.name = "romfile",
	453	.type = QEMU_OPT_STRING,
	454	},
44bd6907	455	{ /* end of list */ }
2e55e842 GN	456	},
	457	};
	458
303d4e86 AP	459	static QemuOptsList qemu_machine_opts = {
	460	.name = "machine",
	461	.head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
	462	.desc = {
	463	{
	464	.name = "accel",
	465	.type = QEMU_OPT_STRING,
	466	.help = "accelerator list",
	467	},
	468	{ /* End of list */ }
	469	},
	470	};
	471
dfe795e7	472	static QemuOptsList *vm_config_groups[32] = {
d058fe03	473	&qemu_drive_opts,
191bc01b	474	&qemu_chardev_opts,
f31d07d1	475	&qemu_device_opts,
a1ea458f	476	&qemu_netdev_opts,
8119b33d	477	&qemu_net_opts,
5fdfbf7e	478	&qemu_rtc_opts,
d0fef6fb	479	&qemu_global_opts,
88589343	480	&qemu_mon_opts,
b5ec5ce0	481	&qemu_cpudef_opts,
ab6540d5 PS	482	#ifdef CONFIG_SIMPLE_TRACE
	483	&qemu_trace_opts,
	484	#endif
2e55e842	485	&qemu_option_rom_opts,
303d4e86	486	&qemu_machine_opts,
d058fe03 GH	487	NULL,
	488	};
	489
490b648e	490	static QemuOptsList find_list(QemuOptsList lists, const char group)
ddc97855 GH	491	{
	492	int i;
	493
	494	for (i = 0; lists[i] != NULL; i++) {
	495	if (strcmp(lists[i]->name, group) == 0)
	496	break;
	497	}
	498	if (lists[i] == NULL) {
1ecda02b	499	error_report("there is no option group \"%s\"", group);
ddc97855 GH	500	}
	501	return lists[i];
	502	}
	503
490b648e KW	504	QemuOptsList qemu_find_opts(const char group)
	505	{
	506	return find_list(vm_config_groups, group);
	507	}
	508
dfe795e7 GH	509	void qemu_add_opts(QemuOptsList *list)
	510	{
	511	int entries, i;
	512
	513	entries = ARRAY_SIZE(vm_config_groups);
	514	entries--; /* keep list NULL terminated */
	515	for (i = 0; i < entries; i++) {
	516	if (vm_config_groups[i] == NULL) {
	517	vm_config_groups[i] = list;
	518	return;
	519	}
	520	}
	521	fprintf(stderr, "ran out of space in vm_config_groups");
	522	abort();
	523	}
	524
d058fe03 GH	525	int qemu_set_option(const char *str)
	526	{
	527	char group[64], id[64], arg[64];
ddc97855	528	QemuOptsList *list;
d058fe03	529	QemuOpts *opts;
ddc97855	530	int rc, offset;
d058fe03 GH	531
	532	rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
	533	if (rc < 3 \|\| str[offset] != '=') {
1ecda02b	534	error_report("can't parse: \"%s\"", str);
d058fe03 GH	535	return -1;
	536	}
	537
304329ee	538	list = qemu_find_opts(group);
ddc97855	539	if (list == NULL) {
d058fe03 GH	540	return -1;
	541	}
	542
ddc97855	543	opts = qemu_opts_find(list, id);
d058fe03	544	if (!opts) {
1ecda02b MA	545	error_report("there is no %s \"%s\" defined",
1ecda02b MA	546	list->name, id);
d058fe03 GH	547	return -1;
	548	}
	549
3df04ac3	550	if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
d058fe03 GH	551	return -1;
	552	}
	553	return 0;
	554	}
	555
d0fef6fb GH	556	int qemu_global_option(const char *str)
	557	{
	558	char driver[64], property[64];
	559	QemuOpts *opts;
	560	int rc, offset;
	561
	562	rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
	563	if (rc < 2 \|\| str[offset] != '=') {
1ecda02b	564	error_report("can't parse: \"%s\"", str);
d0fef6fb GH	565	return -1;
	566	}
	567
	568	opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
	569	qemu_opt_set(opts, "driver", driver);
	570	qemu_opt_set(opts, "property", property);
	571	qemu_opt_set(opts, "value", str+offset+1);
	572	return 0;
	573	}
	574
9d993394 GH	575	struct ConfigWriteData {
	576	QemuOptsList *list;
	577	FILE *fp;
	578	};
	579
	580	static int config_write_opt(const char name, const char value, void *opaque)
	581	{
	582	struct ConfigWriteData *data = opaque;
	583
	584	fprintf(data->fp, " %s = \"%s\"\n", name, value);
	585	return 0;
	586	}
	587
	588	static int config_write_opts(QemuOpts opts, void opaque)
	589	{
	590	struct ConfigWriteData *data = opaque;
	591	const char *id = qemu_opts_id(opts);
	592
	593	if (id) {
	594	fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
	595	} else {
	596	fprintf(data->fp, "[%s]\n", data->list->name);
	597	}
	598	qemu_opt_foreach(opts, config_write_opt, data, 0);
	599	fprintf(data->fp, "\n");
	600	return 0;
	601	}
	602
	603	void qemu_config_write(FILE *fp)
	604	{
	605	struct ConfigWriteData data = { .fp = fp };
490b648e	606	QemuOptsList **lists = vm_config_groups;
9d993394 GH	607	int i;
	608
	609	fprintf(fp, "# qemu config file\n\n");
	610	for (i = 0; lists[i] != NULL; i++) {
	611	data.list = lists[i];
	612	qemu_opts_foreach(data.list, config_write_opts, &data, 0);
	613	}
	614	}
42262ba8	615
490b648e	616	int qemu_config_parse(FILE fp, QemuOptsList lists, const char fname)
42262ba8 GH	617	{
42262ba8 GH	618	char line[1024], group[64], id[64], arg[64], value[1024];
cf5a65aa	619	Location loc;
42262ba8 GH	620	QemuOptsList *list = NULL;
42262ba8 GH	621	QemuOpts *opts = NULL;
cf5a65aa	622	int res = -1, lno = 0;
42262ba8	623
cf5a65aa	624	loc_push_none(&loc);
42262ba8	625	while (fgets(line, sizeof(line), fp) != NULL) {
cf5a65aa	626	loc_set_file(fname, ++lno);
42262ba8 GH	627	if (line[0] == '\n') {
	628	/* skip empty lines */
	629	continue;
	630	}
	631	if (line[0] == '#') {
	632	/* comment */
	633	continue;
	634	}
	635	if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
	636	/* group with id */
490b648e	637	list = find_list(lists, group);
42262ba8	638	if (list == NULL)
cf5a65aa	639	goto out;
42262ba8 GH	640	opts = qemu_opts_create(list, id, 1);
	641	continue;
	642	}
	643	if (sscanf(line, "[%63[^]]]", group) == 1) {
	644	/* group without id */
490b648e	645	list = find_list(lists, group);
42262ba8	646	if (list == NULL)
cf5a65aa	647	goto out;
42262ba8 GH	648	opts = qemu_opts_create(list, NULL, 0);
	649	continue;
	650	}
	651	if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
	652	/* arg = value */
	653	if (opts == NULL) {
cf5a65aa MA	654	error_report("no group defined");
cf5a65aa MA	655	goto out;
42262ba8 GH	656	}
42262ba8 GH	657	if (qemu_opt_set(opts, arg, value) != 0) {
cf5a65aa	658	goto out;
42262ba8 GH	659	}
	660	continue;
	661	}
cf5a65aa MA	662	error_report("parse error");
cf5a65aa MA	663	goto out;
42262ba8	664	}
ef82516d MA	665	if (ferror(fp)) {
	666	error_report("error reading file");
	667	goto out;
	668	}
cf5a65aa MA	669	res = 0;
	670	out:
	671	loc_pop(&loc);
	672	return res;
42262ba8	673	}
dcfb0939 KW	674
	675	int qemu_read_config_file(const char *filename)
	676	{
	677	FILE *f = fopen(filename, "r");
019e78ba KW	678	int ret;
019e78ba KW	679
dcfb0939 KW	680	if (f == NULL) {
	681	return -errno;
	682	}
	683
019e78ba	684	ret = qemu_config_parse(f, vm_config_groups, filename);
dcfb0939 KW	685	fclose(f);
dcfb0939 KW	686
019e78ba KW	687	if (ret == 0) {
	688	return 0;
	689	} else {
	690	return -EINVAL;
	691	}
dcfb0939	692	}