[qemu.git] / qemu-config.c

#include "qemu-common.h"
#include "qemu-error.h"
#include "qemu-option.h"
#include "qemu-config.h"
#include "sysemu.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,
        },
        { /* 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 if 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 = "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,
        },
        { /* end if 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
    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"
a861c453	5	#include "sysemu.h"
d0fef6fb	6	#include "hw/qdev.h"
7282a033	7
3329f07b	8	static QemuOptsList qemu_drive_opts = {
7282a033	9	.name = "drive",
72cf2d4f	10	.head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
7282a033 GH	11	.desc = {
	12	{
	13	.name = "bus",
	14	.type = QEMU_OPT_NUMBER,
	15	.help = "bus number",
	16	},{
	17	.name = "unit",
	18	.type = QEMU_OPT_NUMBER,
	19	.help = "unit number (i.e. lun for scsi)",
	20	},{
	21	.name = "if",
	22	.type = QEMU_OPT_STRING,
	23	.help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
	24	},{
	25	.name = "index",
	26	.type = QEMU_OPT_NUMBER,
	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,
	50	},{
	51	.name = "file",
	52	.type = QEMU_OPT_STRING,
	53	.help = "disk image",
	54	},{
	55	.name = "cache",
	56	.type = QEMU_OPT_STRING,
016f5cf6	57	.help = "host cache usage (none, writeback, writethrough, unsafe)",
5c6c3a6c CH	58	},{
	59	.name = "aio",
	60	.type = QEMU_OPT_STRING,
	61	.help = "host AIO implementation (threads, native)",
7282a033 GH	62	},{
	63	.name = "format",
	64	.type = QEMU_OPT_STRING,
	65	.help = "disk format (raw, qcow2, ...)",
	66	},{
	67	.name = "serial",
	68	.type = QEMU_OPT_STRING,
e9b2e818 KW	69	},{
	70	.name = "rerror",
	71	.type = QEMU_OPT_STRING,
7282a033 GH	72	},{
	73	.name = "werror",
	74	.type = QEMU_OPT_STRING,
	75	},{
	76	.name = "addr",
	77	.type = QEMU_OPT_STRING,
	78	.help = "pci address (virtio only)",
59f2689d NS	79	},{
	80	.name = "readonly",
	81	.type = QEMU_OPT_BOOL,
7282a033	82	},
26056e0c	83	{ /* end of list */ }
7282a033 GH	84	},
	85	};
	86
3329f07b	87	static QemuOptsList qemu_chardev_opts = {
191bc01b	88	.name = "chardev",
8212c64f	89	.implied_opt_name = "backend",
72cf2d4f	90	.head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head),
191bc01b	91	.desc = {
7d31544f GH	92	{
	93	.name = "backend",
	94	.type = QEMU_OPT_STRING,
	95	},{
	96	.name = "path",
	97	.type = QEMU_OPT_STRING,
aeb2c47a GH	98	},{
	99	.name = "host",
	100	.type = QEMU_OPT_STRING,
	101	},{
	102	.name = "port",
	103	.type = QEMU_OPT_STRING,
7e1b35b4 GH	104	},{
	105	.name = "localaddr",
	106	.type = QEMU_OPT_STRING,
	107	},{
	108	.name = "localport",
	109	.type = QEMU_OPT_STRING,
aeb2c47a GH	110	},{
	111	.name = "to",
	112	.type = QEMU_OPT_NUMBER,
	113	},{
	114	.name = "ipv4",
	115	.type = QEMU_OPT_BOOL,
	116	},{
	117	.name = "ipv6",
	118	.type = QEMU_OPT_BOOL,
	119	},{
	120	.name = "wait",
	121	.type = QEMU_OPT_BOOL,
	122	},{
	123	.name = "server",
	124	.type = QEMU_OPT_BOOL,
	125	},{
	126	.name = "delay",
	127	.type = QEMU_OPT_BOOL,
	128	},{
	129	.name = "telnet",
	130	.type = QEMU_OPT_BOOL,
6ea314d9 GH	131	},{
	132	.name = "width",
	133	.type = QEMU_OPT_NUMBER,
	134	},{
	135	.name = "height",
	136	.type = QEMU_OPT_NUMBER,
	137	},{
	138	.name = "cols",
	139	.type = QEMU_OPT_NUMBER,
	140	},{
	141	.name = "rows",
	142	.type = QEMU_OPT_NUMBER,
c845f401 GH	143	},{
	144	.name = "mux",
	145	.type = QEMU_OPT_BOOL,
5989020b KK	146	},{
	147	.name = "signal",
	148	.type = QEMU_OPT_BOOL,
7d31544f	149	},
26056e0c	150	{ /* end of list */ }
191bc01b GH	151	},
	152	};
	153
74db920c GS	154	QemuOptsList qemu_fsdev_opts = {
	155	.name = "fsdev",
	156	.implied_opt_name = "fstype",
	157	.head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head),
	158	.desc = {
	159	{
	160	.name = "fstype",
	161	.type = QEMU_OPT_STRING,
	162	}, {
	163	.name = "path",
	164	.type = QEMU_OPT_STRING,
9ce56db6 VJJ	165	}, {
	166	.name = "security_model",
	167	.type = QEMU_OPT_STRING,
74db920c GS	168	},
	169	{ /End of list / }
	170	},
	171	};
74db920c	172
3d54abc7 GS	173	QemuOptsList qemu_virtfs_opts = {
	174	.name = "virtfs",
	175	.implied_opt_name = "fstype",
	176	.head = QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts.head),
	177	.desc = {
	178	{
	179	.name = "fstype",
	180	.type = QEMU_OPT_STRING,
	181	}, {
	182	.name = "path",
	183	.type = QEMU_OPT_STRING,
	184	}, {
	185	.name = "mount_tag",
	186	.type = QEMU_OPT_STRING,
9ce56db6 VJJ	187	}, {
	188	.name = "security_model",
	189	.type = QEMU_OPT_STRING,
3d54abc7 GS	190	},
	191
	192	{ /End of list / }
	193	},
	194	};
3d54abc7	195
3329f07b	196	static QemuOptsList qemu_device_opts = {
f31d07d1	197	.name = "device",
8212c64f	198	.implied_opt_name = "driver",
72cf2d4f	199	.head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
f31d07d1 GH	200	.desc = {
	201	/*
	202	* no elements => accept any
	203	* sanity checking will happen later
	204	* when setting device properties
	205	*/
26056e0c	206	{ /* end of list */ }
f31d07d1 GH	207	},
	208	};
	209
3329f07b	210	static QemuOptsList qemu_netdev_opts = {
a1ea458f	211	.name = "netdev",
8212c64f	212	.implied_opt_name = "type",
a1ea458f MM	213	.head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
	214	.desc = {
	215	/*
	216	* no elements => accept any params
	217	* validation will happen later
	218	*/
	219	{ /* end of list */ }
	220	},
	221	};
	222
3329f07b	223	static QemuOptsList qemu_net_opts = {
8119b33d	224	.name = "net",
8212c64f	225	.implied_opt_name = "type",
8119b33d MM	226	.head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
	227	.desc = {
	228	/*
	229	* no elements => accept any params
	230	* validation will happen later
	231	*/
	232	{ /* end of list */ }
	233	},
	234	};
	235
3329f07b	236	static QemuOptsList qemu_rtc_opts = {
1ed2fc1f JK	237	.name = "rtc",
	238	.head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
	239	.desc = {
	240	{
	241	.name = "base",
	242	.type = QEMU_OPT_STRING,
6875204c JK	243	},{
	244	.name = "clock",
	245	.type = QEMU_OPT_STRING,
1ed2fc1f JK	246	},{
	247	.name = "driftfix",
	248	.type = QEMU_OPT_STRING,
1ed2fc1f	249	},
26056e0c	250	{ /* end of list */ }
1ed2fc1f JK	251	},
	252	};
	253
3329f07b	254	static QemuOptsList qemu_global_opts = {
d0fef6fb GH	255	.name = "global",
	256	.head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
	257	.desc = {
	258	{
	259	.name = "driver",
	260	.type = QEMU_OPT_STRING,
	261	},{
	262	.name = "property",
	263	.type = QEMU_OPT_STRING,
	264	},{
	265	.name = "value",
	266	.type = QEMU_OPT_STRING,
	267	},
26056e0c	268	{ /* end of list */ }
d0fef6fb GH	269	},
	270	};
	271
3329f07b	272	static QemuOptsList qemu_mon_opts = {
88589343	273	.name = "mon",
8212c64f	274	.implied_opt_name = "chardev",
88589343 GH	275	.head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
	276	.desc = {
	277	{
	278	.name = "mode",
	279	.type = QEMU_OPT_STRING,
	280	},{
	281	.name = "chardev",
	282	.type = QEMU_OPT_STRING,
	283	},{
	284	.name = "default",
	285	.type = QEMU_OPT_BOOL,
39eaab9a DB	286	},{
	287	.name = "pretty",
	288	.type = QEMU_OPT_BOOL,
88589343	289	},
26056e0c	290	{ /* end of list */ }
88589343 GH	291	},
	292	};
	293
ab6540d5 PS	294	#ifdef CONFIG_SIMPLE_TRACE
	295	static QemuOptsList qemu_trace_opts = {
	296	.name = "trace",
	297	.implied_opt_name = "trace",
	298	.head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
	299	.desc = {
	300	{
	301	.name = "file",
	302	.type = QEMU_OPT_STRING,
	303	},
	304	{ /* end if list */ }
	305	},
	306	};
	307	#endif
	308
3329f07b	309	static QemuOptsList qemu_cpudef_opts = {
b5ec5ce0	310	.name = "cpudef",
	311	.head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head),
	312	.desc = {
	313	{
	314	.name = "name",
	315	.type = QEMU_OPT_STRING,
	316	},{
	317	.name = "level",
	318	.type = QEMU_OPT_NUMBER,
	319	},{
	320	.name = "vendor",
	321	.type = QEMU_OPT_STRING,
	322	},{
	323	.name = "family",
	324	.type = QEMU_OPT_NUMBER,
	325	},{
	326	.name = "model",
	327	.type = QEMU_OPT_NUMBER,
	328	},{
	329	.name = "stepping",
	330	.type = QEMU_OPT_NUMBER,
	331	},{
	332	.name = "feature_edx", /* cpuid 0000_0001.edx */
	333	.type = QEMU_OPT_STRING,
	334	},{
	335	.name = "feature_ecx", /* cpuid 0000_0001.ecx */
	336	.type = QEMU_OPT_STRING,
	337	},{
	338	.name = "extfeature_edx", /* cpuid 8000_0001.edx */
	339	.type = QEMU_OPT_STRING,
	340	},{
	341	.name = "extfeature_ecx", /* cpuid 8000_0001.ecx */
	342	.type = QEMU_OPT_STRING,
	343	},{
	344	.name = "xlevel",
	345	.type = QEMU_OPT_NUMBER,
	346	},{
	347	.name = "model_id",
	348	.type = QEMU_OPT_STRING,
	349	},{
	350	.name = "vendor_override",
	351	.type = QEMU_OPT_NUMBER,
	352	},
	353	{ /* end of list */ }
	354	},
	355	};
	356
29b0040b GH	357	QemuOptsList qemu_spice_opts = {
	358	.name = "spice",
	359	.head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
	360	.desc = {
	361	{
	362	.name = "port",
	363	.type = QEMU_OPT_NUMBER,
c448e855 GH	364	},{
	365	.name = "tls-port",
	366	.type = QEMU_OPT_NUMBER,
333b0eeb GH	367	},{
	368	.name = "addr",
	369	.type = QEMU_OPT_STRING,
	370	},{
	371	.name = "ipv4",
	372	.type = QEMU_OPT_BOOL,
	373	},{
	374	.name = "ipv6",
	375	.type = QEMU_OPT_BOOL,
29b0040b GH	376	},{
	377	.name = "password",
	378	.type = QEMU_OPT_STRING,
	379	},{
	380	.name = "disable-ticketing",
	381	.type = QEMU_OPT_BOOL,
c448e855 GH	382	},{
	383	.name = "x509-dir",
	384	.type = QEMU_OPT_STRING,
	385	},{
	386	.name = "x509-key-file",
	387	.type = QEMU_OPT_STRING,
	388	},{
	389	.name = "x509-key-password",
	390	.type = QEMU_OPT_STRING,
	391	},{
	392	.name = "x509-cert-file",
	393	.type = QEMU_OPT_STRING,
	394	},{
	395	.name = "x509-cacert-file",
	396	.type = QEMU_OPT_STRING,
	397	},{
	398	.name = "x509-dh-key-file",
	399	.type = QEMU_OPT_STRING,
	400	},{
	401	.name = "tls-ciphers",
	402	.type = QEMU_OPT_STRING,
17b6dea0 GH	403	},{
	404	.name = "tls-channel",
	405	.type = QEMU_OPT_STRING,
	406	},{
	407	.name = "plaintext-channel",
	408	.type = QEMU_OPT_STRING,
9f04e09e YH	409	},{
	410	.name = "image-compression",
	411	.type = QEMU_OPT_STRING,
	412	},{
	413	.name = "jpeg-wan-compression",
	414	.type = QEMU_OPT_STRING,
	415	},{
	416	.name = "zlib-glz-wan-compression",
	417	.type = QEMU_OPT_STRING,
29b0040b GH	418	},
	419	{ /* end if list */ }
	420	},
	421	};
	422
dfe795e7	423	static QemuOptsList *vm_config_groups[32] = {
d058fe03	424	&qemu_drive_opts,
191bc01b	425	&qemu_chardev_opts,
f31d07d1	426	&qemu_device_opts,
a1ea458f	427	&qemu_netdev_opts,
8119b33d	428	&qemu_net_opts,
5fdfbf7e	429	&qemu_rtc_opts,
d0fef6fb	430	&qemu_global_opts,
88589343	431	&qemu_mon_opts,
b5ec5ce0	432	&qemu_cpudef_opts,
ab6540d5 PS	433	#ifdef CONFIG_SIMPLE_TRACE
	434	&qemu_trace_opts,
	435	#endif
d058fe03 GH	436	NULL,
	437	};
	438
490b648e	439	static QemuOptsList find_list(QemuOptsList lists, const char group)
ddc97855 GH	440	{
	441	int i;
	442
	443	for (i = 0; lists[i] != NULL; i++) {
	444	if (strcmp(lists[i]->name, group) == 0)
	445	break;
	446	}
	447	if (lists[i] == NULL) {
1ecda02b	448	error_report("there is no option group \"%s\"", group);
ddc97855 GH	449	}
	450	return lists[i];
	451	}
	452
490b648e KW	453	QemuOptsList qemu_find_opts(const char group)
	454	{
	455	return find_list(vm_config_groups, group);
	456	}
	457
dfe795e7 GH	458	void qemu_add_opts(QemuOptsList *list)
	459	{
	460	int entries, i;
	461
	462	entries = ARRAY_SIZE(vm_config_groups);
	463	entries--; /* keep list NULL terminated */
	464	for (i = 0; i < entries; i++) {
	465	if (vm_config_groups[i] == NULL) {
	466	vm_config_groups[i] = list;
	467	return;
	468	}
	469	}
	470	fprintf(stderr, "ran out of space in vm_config_groups");
	471	abort();
	472	}
	473
d058fe03 GH	474	int qemu_set_option(const char *str)
	475	{
	476	char group[64], id[64], arg[64];
ddc97855	477	QemuOptsList *list;
d058fe03	478	QemuOpts *opts;
ddc97855	479	int rc, offset;
d058fe03 GH	480
	481	rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
	482	if (rc < 3 \|\| str[offset] != '=') {
1ecda02b	483	error_report("can't parse: \"%s\"", str);
d058fe03 GH	484	return -1;
	485	}
	486
304329ee	487	list = qemu_find_opts(group);
ddc97855	488	if (list == NULL) {
d058fe03 GH	489	return -1;
	490	}
	491
ddc97855	492	opts = qemu_opts_find(list, id);
d058fe03	493	if (!opts) {
1ecda02b MA	494	error_report("there is no %s \"%s\" defined",
1ecda02b MA	495	list->name, id);
d058fe03 GH	496	return -1;
	497	}
	498
3df04ac3	499	if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
d058fe03 GH	500	return -1;
	501	}
	502	return 0;
	503	}
	504
d0fef6fb GH	505	int qemu_global_option(const char *str)
	506	{
	507	char driver[64], property[64];
	508	QemuOpts *opts;
	509	int rc, offset;
	510
	511	rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
	512	if (rc < 2 \|\| str[offset] != '=') {
1ecda02b	513	error_report("can't parse: \"%s\"", str);
d0fef6fb GH	514	return -1;
	515	}
	516
	517	opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
	518	qemu_opt_set(opts, "driver", driver);
	519	qemu_opt_set(opts, "property", property);
	520	qemu_opt_set(opts, "value", str+offset+1);
	521	return 0;
	522	}
	523
9d993394 GH	524	struct ConfigWriteData {
	525	QemuOptsList *list;
	526	FILE *fp;
	527	};
	528
	529	static int config_write_opt(const char name, const char value, void *opaque)
	530	{
	531	struct ConfigWriteData *data = opaque;
	532
	533	fprintf(data->fp, " %s = \"%s\"\n", name, value);
	534	return 0;
	535	}
	536
	537	static int config_write_opts(QemuOpts opts, void opaque)
	538	{
	539	struct ConfigWriteData *data = opaque;
	540	const char *id = qemu_opts_id(opts);
	541
	542	if (id) {
	543	fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
	544	} else {
	545	fprintf(data->fp, "[%s]\n", data->list->name);
	546	}
	547	qemu_opt_foreach(opts, config_write_opt, data, 0);
	548	fprintf(data->fp, "\n");
	549	return 0;
	550	}
	551
	552	void qemu_config_write(FILE *fp)
	553	{
	554	struct ConfigWriteData data = { .fp = fp };
490b648e	555	QemuOptsList **lists = vm_config_groups;
9d993394 GH	556	int i;
	557
	558	fprintf(fp, "# qemu config file\n\n");
	559	for (i = 0; lists[i] != NULL; i++) {
	560	data.list = lists[i];
	561	qemu_opts_foreach(data.list, config_write_opts, &data, 0);
	562	}
	563	}
42262ba8	564
490b648e	565	int qemu_config_parse(FILE fp, QemuOptsList lists, const char fname)
42262ba8 GH	566	{
42262ba8 GH	567	char line[1024], group[64], id[64], arg[64], value[1024];
cf5a65aa	568	Location loc;
42262ba8 GH	569	QemuOptsList *list = NULL;
42262ba8 GH	570	QemuOpts *opts = NULL;
cf5a65aa	571	int res = -1, lno = 0;
42262ba8	572
cf5a65aa	573	loc_push_none(&loc);
42262ba8	574	while (fgets(line, sizeof(line), fp) != NULL) {
cf5a65aa	575	loc_set_file(fname, ++lno);
42262ba8 GH	576	if (line[0] == '\n') {
	577	/* skip empty lines */
	578	continue;
	579	}
	580	if (line[0] == '#') {
	581	/* comment */
	582	continue;
	583	}
	584	if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
	585	/* group with id */
490b648e	586	list = find_list(lists, group);
42262ba8	587	if (list == NULL)
cf5a65aa	588	goto out;
42262ba8 GH	589	opts = qemu_opts_create(list, id, 1);
	590	continue;
	591	}
	592	if (sscanf(line, "[%63[^]]]", group) == 1) {
	593	/* group without id */
490b648e	594	list = find_list(lists, group);
42262ba8	595	if (list == NULL)
cf5a65aa	596	goto out;
42262ba8 GH	597	opts = qemu_opts_create(list, NULL, 0);
	598	continue;
	599	}
	600	if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
	601	/* arg = value */
	602	if (opts == NULL) {
cf5a65aa MA	603	error_report("no group defined");
cf5a65aa MA	604	goto out;
42262ba8 GH	605	}
42262ba8 GH	606	if (qemu_opt_set(opts, arg, value) != 0) {
cf5a65aa	607	goto out;
42262ba8 GH	608	}
	609	continue;
	610	}
cf5a65aa MA	611	error_report("parse error");
cf5a65aa MA	612	goto out;
42262ba8	613	}
ef82516d MA	614	if (ferror(fp)) {
	615	error_report("error reading file");
	616	goto out;
	617	}
cf5a65aa MA	618	res = 0;
	619	out:
	620	loc_pop(&loc);
	621	return res;
42262ba8	622	}
dcfb0939 KW	623
	624	int qemu_read_config_file(const char *filename)
	625	{
	626	FILE *f = fopen(filename, "r");
019e78ba KW	627	int ret;
019e78ba KW	628
dcfb0939 KW	629	if (f == NULL) {
	630	return -errno;
	631	}
	632
019e78ba	633	ret = qemu_config_parse(f, vm_config_groups, filename);
dcfb0939 KW	634	fclose(f);
dcfb0939 KW	635
019e78ba KW	636	if (ret == 0) {
	637	return 0;
	638	} else {
	639	return -EINVAL;
	640	}
dcfb0939	641	}