[mirror_qemu.git] / hw / qdev-properties.c

#include "net.h"
#include "qdev.h"
#include "qerror.h"

void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
{
    void *ptr = dev;
    ptr += prop->offset;
    return ptr;
}

static uint32_t qdev_get_prop_mask(Property *prop)
{
    assert(prop->info->type == PROP_TYPE_BIT);
    return 0x1 << prop->bitnr;
}

static void bit_prop_set(DeviceState *dev, Property *props, bool val)
{
    uint32_t *p = qdev_get_prop_ptr(dev, props);
    uint32_t mask = qdev_get_prop_mask(props);
    if (val)
        *p |= mask;
    else
        *p &= ~mask;
}

static void qdev_prop_cpy(DeviceState *dev, Property *props, void *src)
{
    if (props->info->type == PROP_TYPE_BIT) {
        bool *defval = src;
        bit_prop_set(dev, props, *defval);
    } else {
        char *dst = qdev_get_prop_ptr(dev, props);
        memcpy(dst, src, props->info->size);
    }
}

/* Bit */
static int parse_bit(DeviceState *dev, Property *prop, const char *str)
{
    if (!strncasecmp(str, "on", 2))
        bit_prop_set(dev, prop, true);
    else if (!strncasecmp(str, "off", 3))
        bit_prop_set(dev, prop, false);
    else
        return -EINVAL;
    return 0;
}

static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint8_t *p = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off");
}

PropertyInfo qdev_prop_bit = {
    .name  = "on/off",
    .type  = PROP_TYPE_BIT,
    .size  = sizeof(uint32_t),
    .parse = parse_bit,
    .print = print_bit,
};

/* --- 8bit integer --- */

static int parse_uint8(DeviceState *dev, Property *prop, const char *str)
{
    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
    char *end;

    /* accept both hex and decimal */
    *ptr = strtoul(str, &end, 0);
    if ((*end != '\0') || (end == str)) {
        return -EINVAL;
    }

    return 0;
}

static int print_uint8(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRIu8, *ptr);
}

PropertyInfo qdev_prop_uint8 = {
    .name  = "uint8",
    .type  = PROP_TYPE_UINT8,
    .size  = sizeof(uint8_t),
    .parse = parse_uint8,
    .print = print_uint8,
};

/* --- 16bit integer --- */

static int parse_uint16(DeviceState *dev, Property *prop, const char *str)
{
    uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
    char *end;

    /* accept both hex and decimal */
    *ptr = strtoul(str, &end, 0);
    if ((*end != '\0') || (end == str)) {
        return -EINVAL;
    }

    return 0;
}

static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRIu16, *ptr);
}

PropertyInfo qdev_prop_uint16 = {
    .name  = "uint16",
    .type  = PROP_TYPE_UINT16,
    .size  = sizeof(uint16_t),
    .parse = parse_uint16,
    .print = print_uint16,
};

/* --- 32bit integer --- */

static int parse_uint32(DeviceState *dev, Property *prop, const char *str)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
    char *end;

    /* accept both hex and decimal */
    *ptr = strtoul(str, &end, 0);
    if ((*end != '\0') || (end == str)) {
        return -EINVAL;
    }

    return 0;
}

static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRIu32, *ptr);
}

PropertyInfo qdev_prop_uint32 = {
    .name  = "uint32",
    .type  = PROP_TYPE_UINT32,
    .size  = sizeof(uint32_t),
    .parse = parse_uint32,
    .print = print_uint32,
};

static int parse_int32(DeviceState *dev, Property *prop, const char *str)
{
    int32_t *ptr = qdev_get_prop_ptr(dev, prop);
    char *end;

    *ptr = strtol(str, &end, 10);
    if ((*end != '\0') || (end == str)) {
        return -EINVAL;
    }

    return 0;
}

static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    int32_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRId32, *ptr);
}

PropertyInfo qdev_prop_int32 = {
    .name  = "int32",
    .type  = PROP_TYPE_INT32,
    .size  = sizeof(int32_t),
    .parse = parse_int32,
    .print = print_int32,
};

/* --- 32bit hex value --- */

static int parse_hex32(DeviceState *dev, Property *prop, const char *str)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
    char *end;

    *ptr = strtoul(str, &end, 16);
    if ((*end != '\0') || (end == str)) {
        return -EINVAL;
    }

    return 0;
}

static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "0x%" PRIx32, *ptr);
}

PropertyInfo qdev_prop_hex32 = {
    .name  = "hex32",
    .type  = PROP_TYPE_UINT32,
    .size  = sizeof(uint32_t),
    .parse = parse_hex32,
    .print = print_hex32,
};

/* --- 64bit integer --- */

static int parse_uint64(DeviceState *dev, Property *prop, const char *str)
{
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
    char *end;

    /* accept both hex and decimal */
    *ptr = strtoull(str, &end, 0);
    if ((*end != '\0') || (end == str)) {
        return -EINVAL;
    }

    return 0;
}

static int print_uint64(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%" PRIu64, *ptr);
}

PropertyInfo qdev_prop_uint64 = {
    .name  = "uint64",
    .type  = PROP_TYPE_UINT64,
    .size  = sizeof(uint64_t),
    .parse = parse_uint64,
    .print = print_uint64,
};

/* --- 64bit hex value --- */

static int parse_hex64(DeviceState *dev, Property *prop, const char *str)
{
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
    char *end;

    *ptr = strtoull(str, &end, 16);
    if ((*end != '\0') || (end == str)) {
        return -EINVAL;
    }

    return 0;
}

static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "0x%" PRIx64, *ptr);
}

PropertyInfo qdev_prop_hex64 = {
    .name  = "hex64",
    .type  = PROP_TYPE_UINT64,
    .size  = sizeof(uint64_t),
    .parse = parse_hex64,
    .print = print_hex64,
};

/* --- string --- */

static int parse_string(DeviceState *dev, Property *prop, const char *str)
{
    char **ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr)
        qemu_free(*ptr);
    *ptr = qemu_strdup(str);
    return 0;
}

static void free_string(DeviceState *dev, Property *prop)
{
    qemu_free(*(char **)qdev_get_prop_ptr(dev, prop));
}

static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    char **ptr = qdev_get_prop_ptr(dev, prop);
    if (!*ptr)
        return snprintf(dest, len, "<null>");
    return snprintf(dest, len, "\"%s\"", *ptr);
}

PropertyInfo qdev_prop_string = {
    .name  = "string",
    .type  = PROP_TYPE_STRING,
    .size  = sizeof(char*),
    .parse = parse_string,
    .print = print_string,
    .free  = free_string,
};

/* --- drive --- */

static int parse_drive(DeviceState *dev, Property *prop, const char *str)
{
    DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);

    *ptr = drive_get_by_id(str);
    if (*ptr == NULL)
        return -ENOENT;
    return 0;
}

static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "%s", (*ptr) ? (*ptr)->id : "<null>");
}

PropertyInfo qdev_prop_drive = {
    .name  = "drive",
    .type  = PROP_TYPE_DRIVE,
    .size  = sizeof(DriveInfo*),
    .parse = parse_drive,
    .print = print_drive,
};

/* --- character device --- */

static int parse_chr(DeviceState *dev, Property *prop, const char *str)
{
    CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);

    *ptr = qemu_chr_find(str);
    if (*ptr == NULL)
        return -ENOENT;
    return 0;
}

static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr && (*ptr)->label) {
        return snprintf(dest, len, "%s", (*ptr)->label);
    } else {
        return snprintf(dest, len, "<null>");
    }
}

PropertyInfo qdev_prop_chr = {
    .name  = "chr",
    .type  = PROP_TYPE_CHR,
    .size  = sizeof(CharDriverState*),
    .parse = parse_chr,
    .print = print_chr,
};

/* --- netdev device --- */

static int parse_netdev(DeviceState *dev, Property *prop, const char *str)
{
    VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);

    *ptr = qemu_find_netdev(str);
    if (*ptr == NULL)
        return -ENOENT;
    if ((*ptr)->peer) {
        return -EEXIST;
    }
    return 0;
}

static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr && (*ptr)->name) {
        return snprintf(dest, len, "%s", (*ptr)->name);
    } else {
        return snprintf(dest, len, "<null>");
    }
}

PropertyInfo qdev_prop_netdev = {
    .name  = "netdev",
    .type  = PROP_TYPE_NETDEV,
    .size  = sizeof(VLANClientState*),
    .parse = parse_netdev,
    .print = print_netdev,
};

/* --- vlan --- */

static int parse_vlan(DeviceState *dev, Property *prop, const char *str)
{
    VLANState **ptr = qdev_get_prop_ptr(dev, prop);
    int id;

    if (sscanf(str, "%d", &id) != 1)
        return -EINVAL;
    *ptr = qemu_find_vlan(id, 1);
    if (*ptr == NULL)
        return -ENOENT;
    return 0;
}

static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    VLANState **ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr) {
        return snprintf(dest, len, "%d", (*ptr)->id);
    } else {
        return snprintf(dest, len, "<null>");
    }
}

PropertyInfo qdev_prop_vlan = {
    .name  = "vlan",
    .type  = PROP_TYPE_VLAN,
    .size  = sizeof(VLANClientState*),
    .parse = parse_vlan,
    .print = print_vlan,
};

/* --- pointer --- */

/* Not a proper property, just for dirty hacks.  TODO Remove it!  */
PropertyInfo qdev_prop_ptr = {
    .name  = "ptr",
    .type  = PROP_TYPE_PTR,
    .size  = sizeof(void*),
};

/* --- mac address --- */

/*
 * accepted syntax versions:
 *   01:02:03:04:05:06
 *   01-02-03-04-05-06
 */
static int parse_mac(DeviceState *dev, Property *prop, const char *str)
{
    MACAddr *mac = qdev_get_prop_ptr(dev, prop);
    int i, pos;
    char *p;

    for (i = 0, pos = 0; i < 6; i++, pos += 3) {
        if (!qemu_isxdigit(str[pos]))
            return -EINVAL;
        if (!qemu_isxdigit(str[pos+1]))
            return -EINVAL;
        if (i == 5) {
            if (str[pos+2] != '\0')
                return -EINVAL;
        } else {
            if (str[pos+2] != ':' && str[pos+2] != '-')
                return -EINVAL;
        }
        mac->a[i] = strtol(str+pos, &p, 16);
    }
    return 0;
}

static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    MACAddr *mac = qdev_get_prop_ptr(dev, prop);

    return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x",
                    mac->a[0], mac->a[1], mac->a[2],
                    mac->a[3], mac->a[4], mac->a[5]);
}

PropertyInfo qdev_prop_macaddr = {
    .name  = "macaddr",
    .type  = PROP_TYPE_MACADDR,
    .size  = sizeof(MACAddr),
    .parse = parse_mac,
    .print = print_mac,
};

/* --- pci address --- */

/*
 * bus-local address, i.e. "$slot" or "$slot.$fn"
 */
static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
    unsigned int slot, fn, n;

    if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
        fn = 0;
        if (sscanf(str, "%x%n", &slot, &n) != 1) {
            return -EINVAL;
        }
    }
    if (str[n] != '\0')
        return -EINVAL;
    if (fn > 7)
        return -EINVAL;
    *ptr = slot << 3 | fn;
    return 0;
}

static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr == -1) {
        return snprintf(dest, len, "<unset>");
    } else {
        return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
    }
}

PropertyInfo qdev_prop_pci_devfn = {
    .name  = "pci-devfn",
    .type  = PROP_TYPE_UINT32,
    .size  = sizeof(uint32_t),
    .parse = parse_pci_devfn,
    .print = print_pci_devfn,
};

/* --- public helpers --- */

static Property *qdev_prop_walk(Property *props, const char *name)
{
    if (!props)
        return NULL;
    while (props->name) {
        if (strcmp(props->name, name) == 0)
            return props;
        props++;
    }
    return NULL;
}

static Property *qdev_prop_find(DeviceState *dev, const char *name)
{
    Property *prop;

    /* device properties */
    prop = qdev_prop_walk(dev->info->props, name);
    if (prop)
        return prop;

    /* bus properties */
    prop = qdev_prop_walk(dev->parent_bus->info->props, name);
    if (prop)
        return prop;

    return NULL;
}

int qdev_prop_exists(DeviceState *dev, const char *name)
{
    return qdev_prop_find(dev, name) ? true : false;
}

int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
{
    Property *prop;
    int ret;

    prop = qdev_prop_find(dev, name);
    /*
     * TODO Properties without a parse method are just for dirty
     * hacks.  qdev_prop_ptr is the only such PropertyInfo.  It's
     * marked for removal.  The test !prop->info->parse should be
     * removed along with it.
     */
    if (!prop || !prop->info->parse) {
        qerror_report(QERR_PROPERTY_NOT_FOUND, dev->info->name, name);
        return -1;
    }
    ret = prop->info->parse(dev, prop, value);
    if (ret < 0) {
        switch (ret) {
        case -EEXIST:
            qerror_report(QERR_PROPERTY_VALUE_IN_USE,
                          dev->info->name, name, value);
            break;
        default:
        case -EINVAL:
            qerror_report(QERR_PROPERTY_VALUE_BAD,
                          dev->info->name, name, value);
            break;
        case -ENOENT:
            qerror_report(QERR_PROPERTY_VALUE_NOT_FOUND,
                          dev->info->name, name, value);
            break;
        }
        return -1;
    }
    return 0;
}

void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type)
{
    Property *prop;

    prop = qdev_prop_find(dev, name);
    if (!prop) {
        fprintf(stderr, "%s: property \"%s.%s\" not found\n",
                __FUNCTION__, dev->info->name, name);
        abort();
    }
    if (prop->info->type != type) {
        fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
                __FUNCTION__, dev->info->name, name);
        abort();
    }
    qdev_prop_cpy(dev, prop, src);
}

void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8);
}

void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16);
}

void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32);
}

void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_INT32);
}

void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);
}

void qdev_prop_set_string(DeviceState *dev, const char *name, char *value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_STRING);
}

void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
}

void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);
}

void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV);
}

void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN);
}

void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value)
{
    qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR);
}

void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_PTR);
}

void qdev_prop_set_defaults(DeviceState *dev, Property *props)
{
    if (!props)
        return;
    while (props->name) {
        if (props->defval) {
            qdev_prop_cpy(dev, props, props->defval);
        }
        props++;
    }
}

static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);

static void qdev_prop_register_global(GlobalProperty *prop)
{
    QTAILQ_INSERT_TAIL(&global_props, prop, next);
}

void qdev_prop_register_global_list(GlobalProperty *props)
{
    int i;

    for (i = 0; props[i].driver != NULL; i++) {
        qdev_prop_register_global(props+i);
    }
}

void qdev_prop_set_globals(DeviceState *dev)
{
    GlobalProperty *prop;

    QTAILQ_FOREACH(prop, &global_props, next) {
        if (strcmp(dev->info->name, prop->driver) != 0 &&
            strcmp(dev->info->bus_info->name, prop->driver) != 0) {
            continue;
        }
        if (qdev_prop_parse(dev, prop->property, prop->value) != 0) {
            exit(1);
        }
    }
}

static int qdev_add_one_global(QemuOpts *opts, void *opaque)
{
    GlobalProperty *g;

    g = qemu_mallocz(sizeof(*g));
    g->driver   = qemu_opt_get(opts, "driver");
    g->property = qemu_opt_get(opts, "property");
    g->value    = qemu_opt_get(opts, "value");
    qdev_prop_register_global(g);
    return 0;
}

void qemu_add_globals(void)
{
    qemu_opts_foreach(&qemu_global_opts, qdev_add_one_global, NULL, 0);
}
Commit	Line	Data
1503fff3	1	#include "net.h"
ee6847d1	2	#include "qdev.h"
9f59b566	3	#include "qerror.h"
ee6847d1 GH	4
	5	void qdev_get_prop_ptr(DeviceState dev, Property *prop)
	6	{
	7	void *ptr = dev;
	8	ptr += prop->offset;
	9	return ptr;
	10	}
	11
d2364ee4 MT	12	static uint32_t qdev_get_prop_mask(Property *prop)
	13	{
	14	assert(prop->info->type == PROP_TYPE_BIT);
	15	return 0x1 << prop->bitnr;
	16	}
	17
	18	static void bit_prop_set(DeviceState dev, Property props, bool val)
	19	{
	20	uint32_t *p = qdev_get_prop_ptr(dev, props);
	21	uint32_t mask = qdev_get_prop_mask(props);
	22	if (val)
dbd48324	23	*p \|= mask;
d2364ee4 MT	24	else
	25	*p &= ~mask;
	26	}
	27
	28	static void qdev_prop_cpy(DeviceState dev, Property props, void *src)
	29	{
	30	if (props->info->type == PROP_TYPE_BIT) {
	31	bool *defval = src;
	32	bit_prop_set(dev, props, *defval);
	33	} else {
	34	char *dst = qdev_get_prop_ptr(dev, props);
	35	memcpy(dst, src, props->info->size);
	36	}
	37	}
	38
	39	/* Bit */
	40	static int parse_bit(DeviceState dev, Property prop, const char *str)
	41	{
	42	if (!strncasecmp(str, "on", 2))
	43	bit_prop_set(dev, prop, true);
	44	else if (!strncasecmp(str, "off", 3))
	45	bit_prop_set(dev, prop, false);
	46	else
6bf38816	47	return -EINVAL;
d2364ee4 MT	48	return 0;
	49	}
	50
	51	static int print_bit(DeviceState dev, Property prop, char *dest, size_t len)
	52	{
	53	uint8_t *p = qdev_get_prop_ptr(dev, prop);
	54	return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off");
	55	}
	56
	57	PropertyInfo qdev_prop_bit = {
	58	.name = "on/off",
	59	.type = PROP_TYPE_BIT,
	60	.size = sizeof(uint32_t),
	61	.parse = parse_bit,
	62	.print = print_bit,
	63	};
	64
c7cc172d JQ	65	/* --- 8bit integer --- */
	66
	67	static int parse_uint8(DeviceState dev, Property prop, const char *str)
	68	{
	69	uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
449041d4	70	char *end;
c7cc172d JQ	71
c7cc172d JQ	72	/* accept both hex and decimal */
449041d4 KW	73	*ptr = strtoul(str, &end, 0);
449041d4 KW	74	if ((*end != '\0') \|\| (end == str)) {
6bf38816	75	return -EINVAL;
449041d4 KW	76	}
449041d4 KW	77
c7cc172d JQ	78	return 0;
	79	}
	80
	81	static int print_uint8(DeviceState dev, Property prop, char *dest, size_t len)
	82	{
	83	uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
	84	return snprintf(dest, len, "%" PRIu8, *ptr);
	85	}
	86
	87	PropertyInfo qdev_prop_uint8 = {
	88	.name = "uint8",
	89	.type = PROP_TYPE_UINT8,
	90	.size = sizeof(uint8_t),
	91	.parse = parse_uint8,
	92	.print = print_uint8,
	93	};
	94
ee6847d1 GH	95	/* --- 16bit integer --- */
	96
	97	static int parse_uint16(DeviceState dev, Property prop, const char *str)
	98	{
	99	uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
449041d4	100	char *end;
ee6847d1 GH	101
ee6847d1 GH	102	/* accept both hex and decimal */
449041d4 KW	103	*ptr = strtoul(str, &end, 0);
449041d4 KW	104	if ((*end != '\0') \|\| (end == str)) {
6bf38816	105	return -EINVAL;
449041d4 KW	106	}
449041d4 KW	107
ee6847d1 GH	108	return 0;
	109	}
	110
	111	static int print_uint16(DeviceState dev, Property prop, char *dest, size_t len)
	112	{
	113	uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
	114	return snprintf(dest, len, "%" PRIu16, *ptr);
	115	}
	116
	117	PropertyInfo qdev_prop_uint16 = {
	118	.name = "uint16",
	119	.type = PROP_TYPE_UINT16,
	120	.size = sizeof(uint16_t),
	121	.parse = parse_uint16,
	122	.print = print_uint16,
	123	};
	124
	125	/* --- 32bit integer --- */
	126
	127	static int parse_uint32(DeviceState dev, Property prop, const char *str)
	128	{
	129	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
449041d4	130	char *end;
ee6847d1 GH	131
ee6847d1 GH	132	/* accept both hex and decimal */
449041d4 KW	133	*ptr = strtoul(str, &end, 0);
449041d4 KW	134	if ((*end != '\0') \|\| (end == str)) {
6bf38816	135	return -EINVAL;
449041d4 KW	136	}
449041d4 KW	137
ee6847d1 GH	138	return 0;
	139	}
	140
	141	static int print_uint32(DeviceState dev, Property prop, char *dest, size_t len)
	142	{
	143	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	144	return snprintf(dest, len, "%" PRIu32, *ptr);
	145	}
	146
	147	PropertyInfo qdev_prop_uint32 = {
	148	.name = "uint32",
	149	.type = PROP_TYPE_UINT32,
	150	.size = sizeof(uint32_t),
	151	.parse = parse_uint32,
	152	.print = print_uint32,
	153	};
	154
316940b0 GH	155	static int parse_int32(DeviceState dev, Property prop, const char *str)
	156	{
	157	int32_t *ptr = qdev_get_prop_ptr(dev, prop);
449041d4	158	char *end;
316940b0	159
449041d4 KW	160	*ptr = strtol(str, &end, 10);
449041d4 KW	161	if ((*end != '\0') \|\| (end == str)) {
6bf38816	162	return -EINVAL;
449041d4 KW	163	}
449041d4 KW	164
316940b0 GH	165	return 0;
	166	}
	167
	168	static int print_int32(DeviceState dev, Property prop, char *dest, size_t len)
	169	{
	170	int32_t *ptr = qdev_get_prop_ptr(dev, prop);
	171	return snprintf(dest, len, "%" PRId32, *ptr);
	172	}
	173
	174	PropertyInfo qdev_prop_int32 = {
	175	.name = "int32",
	176	.type = PROP_TYPE_INT32,
	177	.size = sizeof(int32_t),
	178	.parse = parse_int32,
	179	.print = print_int32,
	180	};
	181
ee6847d1 GH	182	/* --- 32bit hex value --- */
	183
	184	static int parse_hex32(DeviceState dev, Property prop, const char *str)
	185	{
	186	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
449041d4	187	char *end;
ee6847d1	188
449041d4 KW	189	*ptr = strtoul(str, &end, 16);
449041d4 KW	190	if ((*end != '\0') \|\| (end == str)) {
6bf38816	191	return -EINVAL;
449041d4 KW	192	}
449041d4 KW	193
ee6847d1 GH	194	return 0;
	195	}
	196
	197	static int print_hex32(DeviceState dev, Property prop, char *dest, size_t len)
	198	{
	199	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	200	return snprintf(dest, len, "0x%" PRIx32, *ptr);
	201	}
	202
	203	PropertyInfo qdev_prop_hex32 = {
	204	.name = "hex32",
	205	.type = PROP_TYPE_UINT32,
	206	.size = sizeof(uint32_t),
	207	.parse = parse_hex32,
	208	.print = print_hex32,
	209	};
	210
5a053d1f BS	211	/* --- 64bit integer --- */
	212
	213	static int parse_uint64(DeviceState dev, Property prop, const char *str)
	214	{
	215	uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
449041d4	216	char *end;
5a053d1f BS	217
5a053d1f BS	218	/* accept both hex and decimal */
449041d4 KW	219	*ptr = strtoull(str, &end, 0);
449041d4 KW	220	if ((*end != '\0') \|\| (end == str)) {
6bf38816	221	return -EINVAL;
449041d4 KW	222	}
449041d4 KW	223
5a053d1f BS	224	return 0;
	225	}
	226
	227	static int print_uint64(DeviceState dev, Property prop, char *dest, size_t len)
	228	{
	229	uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
	230	return snprintf(dest, len, "%" PRIu64, *ptr);
	231	}
	232
	233	PropertyInfo qdev_prop_uint64 = {
	234	.name = "uint64",
	235	.type = PROP_TYPE_UINT64,
	236	.size = sizeof(uint64_t),
	237	.parse = parse_uint64,
	238	.print = print_uint64,
	239	};
	240
	241	/* --- 64bit hex value --- */
	242
	243	static int parse_hex64(DeviceState dev, Property prop, const char *str)
	244	{
	245	uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
449041d4	246	char *end;
5a053d1f	247
449041d4 KW	248	*ptr = strtoull(str, &end, 16);
449041d4 KW	249	if ((*end != '\0') \|\| (end == str)) {
6bf38816	250	return -EINVAL;
449041d4 KW	251	}
449041d4 KW	252
5a053d1f BS	253	return 0;
	254	}
	255
	256	static int print_hex64(DeviceState dev, Property prop, char *dest, size_t len)
	257	{
	258	uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
	259	return snprintf(dest, len, "0x%" PRIx64, *ptr);
	260	}
	261
	262	PropertyInfo qdev_prop_hex64 = {
	263	.name = "hex64",
	264	.type = PROP_TYPE_UINT64,
	265	.size = sizeof(uint64_t),
	266	.parse = parse_hex64,
	267	.print = print_hex64,
	268	};
	269
59419663 GH	270	/* --- string --- */
	271
	272	static int parse_string(DeviceState dev, Property prop, const char *str)
	273	{
	274	char **ptr = qdev_get_prop_ptr(dev, prop);
	275
	276	if (*ptr)
	277	qemu_free(*ptr);
	278	*ptr = qemu_strdup(str);
	279	return 0;
	280	}
	281
d21357df MA	282	static void free_string(DeviceState dev, Property prop)
	283	{
	284	qemu_free((char *)qdev_get_prop_ptr(dev, prop));
	285	}
	286
59419663 GH	287	static int print_string(DeviceState dev, Property prop, char *dest, size_t len)
	288	{
	289	char **ptr = qdev_get_prop_ptr(dev, prop);
	290	if (!*ptr)
	291	return snprintf(dest, len, "<null>");
	292	return snprintf(dest, len, "\"%s\"", *ptr);
	293	}
	294
	295	PropertyInfo qdev_prop_string = {
	296	.name = "string",
	297	.type = PROP_TYPE_STRING,
	298	.size = sizeof(char*),
	299	.parse = parse_string,
	300	.print = print_string,
d21357df	301	.free = free_string,
59419663 GH	302	};
59419663 GH	303
14b41872 GH	304	/* --- drive --- */
	305
	306	static int parse_drive(DeviceState dev, Property prop, const char *str)
	307	{
	308	DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
	309
	310	*ptr = drive_get_by_id(str);
	311	if (*ptr == NULL)
6bf38816	312	return -ENOENT;
14b41872 GH	313	return 0;
	314	}
	315
	316	static int print_drive(DeviceState dev, Property prop, char *dest, size_t len)
	317	{
	318	DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
41b5e892	319	return snprintf(dest, len, "%s", (ptr) ? (ptr)->id : "<null>");
14b41872 GH	320	}
	321
	322	PropertyInfo qdev_prop_drive = {
	323	.name = "drive",
	324	.type = PROP_TYPE_DRIVE,
	325	.size = sizeof(DriveInfo*),
	326	.parse = parse_drive,
	327	.print = print_drive,
	328	};
	329
313feaab GH	330	/* --- character device --- */
313feaab GH	331
06113719 GH	332	static int parse_chr(DeviceState dev, Property prop, const char *str)
	333	{
	334	CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
	335
	336	*ptr = qemu_chr_find(str);
	337	if (*ptr == NULL)
6bf38816	338	return -ENOENT;
06113719 GH	339	return 0;
	340	}
	341
313feaab GH	342	static int print_chr(DeviceState dev, Property prop, char *dest, size_t len)
	343	{
	344	CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
bc19fcaa BS	345
	346	if (ptr && (ptr)->label) {
	347	return snprintf(dest, len, "%s", (*ptr)->label);
	348	} else {
	349	return snprintf(dest, len, "<null>");
	350	}
313feaab GH	351	}
	352
	353	PropertyInfo qdev_prop_chr = {
	354	.name = "chr",
	355	.type = PROP_TYPE_CHR,
	356	.size = sizeof(CharDriverState*),
06113719	357	.parse = parse_chr,
313feaab GH	358	.print = print_chr,
	359	};
	360
2ef924b4 GH	361	/* --- netdev device --- */
	362
	363	static int parse_netdev(DeviceState dev, Property prop, const char *str)
	364	{
	365	VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
	366
	367	*ptr = qemu_find_netdev(str);
	368	if (*ptr == NULL)
6bf38816	369	return -ENOENT;
27f3f8a3 MA	370	if ((*ptr)->peer) {
	371	return -EEXIST;
	372	}
2ef924b4 GH	373	return 0;
	374	}
	375
	376	static int print_netdev(DeviceState dev, Property prop, char *dest, size_t len)
	377	{
	378	VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
	379
	380	if (ptr && (ptr)->name) {
	381	return snprintf(dest, len, "%s", (*ptr)->name);
	382	} else {
	383	return snprintf(dest, len, "<null>");
	384	}
	385	}
	386
	387	PropertyInfo qdev_prop_netdev = {
	388	.name = "netdev",
	389	.type = PROP_TYPE_NETDEV,
	390	.size = sizeof(VLANClientState*),
	391	.parse = parse_netdev,
	392	.print = print_netdev,
	393	};
	394
851bec09 GH	395	/* --- vlan --- */
	396
	397	static int parse_vlan(DeviceState dev, Property prop, const char *str)
	398	{
	399	VLANState **ptr = qdev_get_prop_ptr(dev, prop);
	400	int id;
	401
	402	if (sscanf(str, "%d", &id) != 1)
6bf38816	403	return -EINVAL;
851bec09 GH	404	*ptr = qemu_find_vlan(id, 1);
851bec09 GH	405	if (*ptr == NULL)
6bf38816	406	return -ENOENT;
851bec09 GH	407	return 0;
	408	}
	409
	410	static int print_vlan(DeviceState dev, Property prop, char *dest, size_t len)
	411	{
	412	VLANState **ptr = qdev_get_prop_ptr(dev, prop);
	413
	414	if (*ptr) {
	415	return snprintf(dest, len, "%d", (*ptr)->id);
	416	} else {
	417	return snprintf(dest, len, "<null>");
	418	}
	419	}
	420
	421	PropertyInfo qdev_prop_vlan = {
	422	.name = "vlan",
	423	.type = PROP_TYPE_VLAN,
	424	.size = sizeof(VLANClientState*),
	425	.parse = parse_vlan,
	426	.print = print_vlan,
	427	};
	428
ee6847d1 GH	429	/* --- pointer --- */
ee6847d1 GH	430
036f7166	431	/* Not a proper property, just for dirty hacks. TODO Remove it! */
ee6847d1 GH	432	PropertyInfo qdev_prop_ptr = {
	433	.name = "ptr",
	434	.type = PROP_TYPE_PTR,
	435	.size = sizeof(void*),
ee6847d1 GH	436	};
	437
	438	/* --- mac address --- */
	439
	440	/*
	441	* accepted syntax versions:
	442	* 01:02:03:04:05:06
	443	* 01-02-03-04-05-06
	444	*/
	445	static int parse_mac(DeviceState dev, Property prop, const char *str)
	446	{
1503fff3	447	MACAddr *mac = qdev_get_prop_ptr(dev, prop);
ee6847d1 GH	448	int i, pos;
	449	char *p;
	450
	451	for (i = 0, pos = 0; i < 6; i++, pos += 3) {
88e150a5	452	if (!qemu_isxdigit(str[pos]))
6bf38816	453	return -EINVAL;
88e150a5	454	if (!qemu_isxdigit(str[pos+1]))
6bf38816	455	return -EINVAL;
1503fff3 GH	456	if (i == 5) {
1503fff3 GH	457	if (str[pos+2] != '\0')
6bf38816	458	return -EINVAL;
1503fff3 GH	459	} else {
1503fff3 GH	460	if (str[pos+2] != ':' && str[pos+2] != '-')
6bf38816	461	return -EINVAL;
1503fff3 GH	462	}
1503fff3 GH	463	mac->a[i] = strtol(str+pos, &p, 16);
ee6847d1 GH	464	}
	465	return 0;
	466	}
	467
	468	static int print_mac(DeviceState dev, Property prop, char *dest, size_t len)
	469	{
1503fff3 GH	470	MACAddr *mac = qdev_get_prop_ptr(dev, prop);
1503fff3 GH	471
ee6847d1	472	return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x",
1503fff3 GH	473	mac->a[0], mac->a[1], mac->a[2],
1503fff3 GH	474	mac->a[3], mac->a[4], mac->a[5]);
ee6847d1 GH	475	}
	476
	477	PropertyInfo qdev_prop_macaddr = {
1503fff3	478	.name = "macaddr",
ee6847d1	479	.type = PROP_TYPE_MACADDR,
1503fff3	480	.size = sizeof(MACAddr),
ee6847d1 GH	481	.parse = parse_mac,
	482	.print = print_mac,
	483	};
	484
05cb5fe4 GH	485	/* --- pci address --- */
	486
	487	/*
	488	* bus-local address, i.e. "$slot" or "$slot.$fn"
	489	*/
	490	static int parse_pci_devfn(DeviceState dev, Property prop, const char *str)
	491	{
	492	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	493	unsigned int slot, fn, n;
	494
	495	if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
	496	fn = 0;
	497	if (sscanf(str, "%x%n", &slot, &n) != 1) {
6bf38816	498	return -EINVAL;
05cb5fe4 GH	499	}
	500	}
	501	if (str[n] != '\0')
6bf38816	502	return -EINVAL;
05cb5fe4	503	if (fn > 7)
6bf38816	504	return -EINVAL;
05cb5fe4 GH	505	*ptr = slot << 3 \| fn;
	506	return 0;
	507	}
	508
	509	static int print_pci_devfn(DeviceState dev, Property prop, char *dest, size_t len)
	510	{
	511	uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
	512
73538c31	513	if (*ptr == -1) {
05cb5fe4 GH	514	return snprintf(dest, len, "<unset>");
	515	} else {
	516	return snprintf(dest, len, "%02x.%x", ptr >> 3, ptr & 7);
	517	}
	518	}
	519
	520	PropertyInfo qdev_prop_pci_devfn = {
	521	.name = "pci-devfn",
	522	.type = PROP_TYPE_UINT32,
	523	.size = sizeof(uint32_t),
	524	.parse = parse_pci_devfn,
	525	.print = print_pci_devfn,
	526	};
	527
ee6847d1 GH	528	/* --- public helpers --- */
	529
	530	static Property qdev_prop_walk(Property props, const char *name)
	531	{
	532	if (!props)
	533	return NULL;
	534	while (props->name) {
	535	if (strcmp(props->name, name) == 0)
	536	return props;
	537	props++;
	538	}
	539	return NULL;
	540	}
	541
	542	static Property qdev_prop_find(DeviceState dev, const char *name)
	543	{
	544	Property *prop;
	545
	546	/* device properties */
	547	prop = qdev_prop_walk(dev->info->props, name);
	548	if (prop)
	549	return prop;
	550
	551	/* bus properties */
	552	prop = qdev_prop_walk(dev->parent_bus->info->props, name);
	553	if (prop)
	554	return prop;
	555
	556	return NULL;
	557	}
	558
d8ed79ae GH	559	int qdev_prop_exists(DeviceState dev, const char name)
	560	{
	561	return qdev_prop_find(dev, name) ? true : false;
	562	}
	563
ee6847d1 GH	564	int qdev_prop_parse(DeviceState dev, const char name, const char *value)
	565	{
	566	Property *prop;
6bf38816	567	int ret;
ee6847d1 GH	568
ee6847d1 GH	569	prop = qdev_prop_find(dev, name);
036f7166 MA	570	/*
	571	* TODO Properties without a parse method are just for dirty
	572	* hacks. qdev_prop_ptr is the only such PropertyInfo. It's
	573	* marked for removal. The test !prop->info->parse should be
	574	* removed along with it.
	575	*/
	576	if (!prop \|\| !prop->info->parse) {
fdcfa190	577	qerror_report(QERR_PROPERTY_NOT_FOUND, dev->info->name, name);
ee6847d1 GH	578	return -1;
ee6847d1 GH	579	}
6bf38816 MA	580	ret = prop->info->parse(dev, prop, value);
	581	if (ret < 0) {
	582	switch (ret) {
27f3f8a3	583	case -EEXIST:
fdcfa190 MA	584	qerror_report(QERR_PROPERTY_VALUE_IN_USE,
fdcfa190 MA	585	dev->info->name, name, value);
27f3f8a3	586	break;
6bf38816 MA	587	default:
6bf38816 MA	588	case -EINVAL:
fdcfa190 MA	589	qerror_report(QERR_PROPERTY_VALUE_BAD,
fdcfa190 MA	590	dev->info->name, name, value);
6bf38816 MA	591	break;
6bf38816 MA	592	case -ENOENT:
fdcfa190 MA	593	qerror_report(QERR_PROPERTY_VALUE_NOT_FOUND,
fdcfa190 MA	594	dev->info->name, name, value);
6bf38816 MA	595	break;
6bf38816 MA	596	}
9ef5c4bf GH	597	return -1;
	598	}
	599	return 0;
ee6847d1 GH	600	}
	601
	602	void qdev_prop_set(DeviceState dev, const char name, void *src, enum PropertyType type)
	603	{
	604	Property *prop;
ee6847d1 GH	605
	606	prop = qdev_prop_find(dev, name);
	607	if (!prop) {
	608	fprintf(stderr, "%s: property \"%s.%s\" not found\n",
	609	__FUNCTION__, dev->info->name, name);
	610	abort();
	611	}
	612	if (prop->info->type != type) {
	613	fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
	614	__FUNCTION__, dev->info->name, name);
	615	abort();
	616	}
d2364ee4	617	qdev_prop_cpy(dev, prop, src);
ee6847d1 GH	618	}
ee6847d1 GH	619
c7cc172d JQ	620	void qdev_prop_set_uint8(DeviceState dev, const char name, uint8_t value)
	621	{
	622	qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8);
	623	}
	624
ee6847d1 GH	625	void qdev_prop_set_uint16(DeviceState dev, const char name, uint16_t value)
	626	{
	627	qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16);
	628	}
	629
	630	void qdev_prop_set_uint32(DeviceState dev, const char name, uint32_t value)
	631	{
	632	qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32);
	633	}
	634
316940b0 GH	635	void qdev_prop_set_int32(DeviceState dev, const char name, int32_t value)
	636	{
	637	qdev_prop_set(dev, name, &value, PROP_TYPE_INT32);
	638	}
	639
5a053d1f BS	640	void qdev_prop_set_uint64(DeviceState dev, const char name, uint64_t value)
	641	{
	642	qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);
	643	}
	644
cc984673 MA	645	void qdev_prop_set_string(DeviceState dev, const char name, char *value)
	646	{
	647	qdev_prop_set(dev, name, &value, PROP_TYPE_STRING);
	648	}
	649
14b41872 GH	650	void qdev_prop_set_drive(DeviceState dev, const char name, DriveInfo *value)
	651	{
	652	qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
	653	}
	654
313feaab GH	655	void qdev_prop_set_chr(DeviceState dev, const char name, CharDriverState *value)
	656	{
	657	qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);
	658	}
	659
2ef924b4 GH	660	void qdev_prop_set_netdev(DeviceState dev, const char name, VLANClientState *value)
	661	{
	662	qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV);
	663	}
	664
851bec09 GH	665	void qdev_prop_set_vlan(DeviceState dev, const char name, VLANState *value)
	666	{
	667	qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN);
	668	}
	669
1503fff3 GH	670	void qdev_prop_set_macaddr(DeviceState dev, const char name, uint8_t *value)
	671	{
	672	qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR);
	673	}
	674
ee6847d1 GH	675	void qdev_prop_set_ptr(DeviceState dev, const char name, void *value)
	676	{
	677	qdev_prop_set(dev, name, &value, PROP_TYPE_PTR);
	678	}
	679
	680	void qdev_prop_set_defaults(DeviceState dev, Property props)
	681	{
ee6847d1 GH	682	if (!props)
	683	return;
	684	while (props->name) {
	685	if (props->defval) {
d2364ee4	686	qdev_prop_cpy(dev, props, props->defval);
ee6847d1 GH	687	}
	688	props++;
	689	}
	690	}
	691
458fb679	692	static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);
b6b61144	693
25920d6a	694	static void qdev_prop_register_global(GlobalProperty *prop)
b6b61144	695	{
458fb679	696	QTAILQ_INSERT_TAIL(&global_props, prop, next);
b6b61144 GH	697	}
b6b61144 GH	698
458fb679	699	void qdev_prop_register_global_list(GlobalProperty *props)
b6b61144	700	{
458fb679	701	int i;
b6b61144	702
458fb679 GH	703	for (i = 0; props[i].driver != NULL; i++) {
458fb679 GH	704	qdev_prop_register_global(props+i);
b6b61144	705	}
458fb679 GH	706	}
	707
	708	void qdev_prop_set_globals(DeviceState *dev)
	709	{
	710	GlobalProperty *prop;
	711
	712	QTAILQ_FOREACH(prop, &global_props, next) {
07a8de35 GH	713	if (strcmp(dev->info->name, prop->driver) != 0 &&
07a8de35 GH	714	strcmp(dev->info->bus_info->name, prop->driver) != 0) {
b6b61144 GH	715	continue;
	716	}
	717	if (qdev_prop_parse(dev, prop->property, prop->value) != 0) {
9ef5c4bf	718	exit(1);
b6b61144 GH	719	}
	720	}
	721	}
25920d6a KW	722
	723	static int qdev_add_one_global(QemuOpts opts, void opaque)
	724	{
	725	GlobalProperty *g;
	726
	727	g = qemu_mallocz(sizeof(*g));
	728	g->driver = qemu_opt_get(opts, "driver");
	729	g->property = qemu_opt_get(opts, "property");
	730	g->value = qemu_opt_get(opts, "value");
	731	qdev_prop_register_global(g);
	732	return 0;
	733	}
	734
	735	void qemu_add_globals(void)
	736	{
	737	qemu_opts_foreach(&qemu_global_opts, qdev_add_one_global, NULL, 0);
	738	}