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

/*
 * qdev property parsing and global properties
 * (parts specific for qemu-system-*)
 *
 * This file is based on code from hw/qdev-properties.c from
 * commit 074a86fccd185616469dfcdc0e157f438aebba18,
 * Copyright (c) Gerd Hoffmann <kraxel@redhat.com> and other contributors.
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#include "net/net.h"
#include "hw/qdev.h"
#include "qapi/qmp/qerror.h"
#include "sysemu/block-backend.h"
#include "sysemu/blockdev.h"
#include "hw/block/block.h"
#include "net/hub.h"
#include "qapi/visitor.h"
#include "sysemu/char.h"
#include "sysemu/iothread.h"

static void get_pointer(Object *obj, Visitor *v, Property *prop,
                        char *(*print)(void *ptr),
                        const char *name, Error **errp)
{
    DeviceState *dev = DEVICE(obj);
    void **ptr = qdev_get_prop_ptr(dev, prop);
    char *p;

    p = *ptr ? print(*ptr) : g_strdup("");
    visit_type_str(v, &p, name, errp);
    g_free(p);
}

static void set_pointer(Object *obj, Visitor *v, Property *prop,
                        void (*parse)(DeviceState *dev, const char *str,
                                      void **ptr, const char *propname,
                                      Error **errp),
                        const char *name, Error **errp)
{
    DeviceState *dev = DEVICE(obj);
    Error *local_err = NULL;
    void **ptr = qdev_get_prop_ptr(dev, prop);
    char *str;

    if (dev->realized) {
        qdev_prop_set_after_realize(dev, name, errp);
        return;
    }

    visit_type_str(v, &str, name, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        return;
    }
    if (!*str) {
        g_free(str);
        *ptr = NULL;
        return;
    }
    parse(dev, str, ptr, prop->name, errp);
    g_free(str);
}

/* --- drive --- */

static void parse_drive(DeviceState *dev, const char *str, void **ptr,
                        const char *propname, Error **errp)
{
    BlockBackend *blk;

    blk = blk_by_name(str);
    if (!blk) {
        error_setg(errp, "Property '%s.%s' can't find value '%s'",
                   object_get_typename(OBJECT(dev)), propname, str);
        return;
    }
    if (blk_attach_dev(blk, dev) < 0) {
        DriveInfo *dinfo = blk_legacy_dinfo(blk);

        if (dinfo->type != IF_NONE) {
            error_setg(errp, "Drive '%s' is already in use because "
                       "it has been automatically connected to another "
                       "device (did you need 'if=none' in the drive options?)",
                       str);
        } else {
            error_setg(errp, "Drive '%s' is already in use by another device",
                       str);
        }
        return;
    }
    *ptr = blk;
}

static void release_drive(Object *obj, const char *name, void *opaque)
{
    DeviceState *dev = DEVICE(obj);
    Property *prop = opaque;
    BlockBackend **ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr) {
        blk_detach_dev(*ptr, dev);
        blockdev_auto_del(*ptr);
    }
}

static char *print_drive(void *ptr)
{
    return g_strdup(blk_name(ptr));
}

static void get_drive(Object *obj, Visitor *v, void *opaque,
                      const char *name, Error **errp)
{
    get_pointer(obj, v, opaque, print_drive, name, errp);
}

static void set_drive(Object *obj, Visitor *v, void *opaque,
                      const char *name, Error **errp)
{
    set_pointer(obj, v, opaque, parse_drive, name, errp);
}

PropertyInfo qdev_prop_drive = {
    .name  = "str",
    .description = "ID of a drive to use as a backend",
    .get   = get_drive,
    .set   = set_drive,
    .release = release_drive,
};

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

static void parse_chr(DeviceState *dev, const char *str, void **ptr,
                      const char *propname, Error **errp)
{
    CharDriverState *chr = qemu_chr_find(str);
    if (chr == NULL) {
        error_setg(errp, "Property '%s.%s' can't find value '%s'",
                   object_get_typename(OBJECT(dev)), propname, str);
        return;
    }
    if (qemu_chr_fe_claim(chr) != 0) {
        error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use",
                  object_get_typename(OBJECT(dev)), propname, str);
        return;
    }
    *ptr = chr;
}

static void release_chr(Object *obj, const char *name, void *opaque)
{
    DeviceState *dev = DEVICE(obj);
    Property *prop = opaque;
    CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
    CharDriverState *chr = *ptr;

    if (chr) {
        qemu_chr_add_handlers(chr, NULL, NULL, NULL, NULL);
        qemu_chr_fe_release(chr);
    }
}


static char *print_chr(void *ptr)
{
    CharDriverState *chr = ptr;
    const char *val = chr->label ? chr->label : "";

    return g_strdup(val);
}

static void get_chr(Object *obj, Visitor *v, void *opaque,
                    const char *name, Error **errp)
{
    get_pointer(obj, v, opaque, print_chr, name, errp);
}

static void set_chr(Object *obj, Visitor *v, void *opaque,
                    const char *name, Error **errp)
{
    set_pointer(obj, v, opaque, parse_chr, name, errp);
}

PropertyInfo qdev_prop_chr = {
    .name  = "str",
    .description = "ID of a chardev to use as a backend",
    .get   = get_chr,
    .set   = set_chr,
    .release = release_chr,
};

/* --- netdev device --- */
static void get_netdev(Object *obj, Visitor *v, void *opaque,
                       const char *name, Error **errp)
{
    DeviceState *dev = DEVICE(obj);
    Property *prop = opaque;
    NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
    char *p = g_strdup(peers_ptr->ncs[0] ? peers_ptr->ncs[0]->name : "");

    visit_type_str(v, &p, name, errp);
    g_free(p);
}

static void set_netdev(Object *obj, Visitor *v, void *opaque,
                       const char *name, Error **errp)
{
    DeviceState *dev = DEVICE(obj);
    Property *prop = opaque;
    NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
    NetClientState **ncs = peers_ptr->ncs;
    NetClientState *peers[MAX_QUEUE_NUM];
    Error *local_err = NULL;
    int queues, err = 0, i = 0;
    char *str;

    if (dev->realized) {
        qdev_prop_set_after_realize(dev, name, errp);
        return;
    }

    visit_type_str(v, &str, name, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        return;
    }

    queues = qemu_find_net_clients_except(str, peers,
                                          NET_CLIENT_OPTIONS_KIND_NIC,
                                          MAX_QUEUE_NUM);
    if (queues == 0) {
        err = -ENOENT;
        goto out;
    }

    if (queues > MAX_QUEUE_NUM) {
        error_setg(errp, "queues of backend '%s'(%d) exceeds QEMU limitation(%d)",
                   str, queues, MAX_QUEUE_NUM);
        goto out;
    }

    for (i = 0; i < queues; i++) {
        if (peers[i] == NULL) {
            err = -ENOENT;
            goto out;
        }

        if (peers[i]->peer) {
            err = -EEXIST;
            goto out;
        }

        if (ncs[i]) {
            err = -EINVAL;
            goto out;
        }

        ncs[i] = peers[i];
        ncs[i]->queue_index = i;
    }

    peers_ptr->queues = queues;

out:
    error_set_from_qdev_prop_error(errp, err, dev, prop, str);
    g_free(str);
}

PropertyInfo qdev_prop_netdev = {
    .name  = "str",
    .description = "ID of a netdev to use as a backend",
    .get   = get_netdev,
    .set   = set_netdev,
};

/* --- vlan --- */

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

    if (*ptr) {
        int id;
        if (!net_hub_id_for_client(*ptr, &id)) {
            return snprintf(dest, len, "%d", id);
        }
    }

    return snprintf(dest, len, "<null>");
}

static void get_vlan(Object *obj, Visitor *v, void *opaque,
                     const char *name, Error **errp)
{
    DeviceState *dev = DEVICE(obj);
    Property *prop = opaque;
    NetClientState **ptr = qdev_get_prop_ptr(dev, prop);
    int32_t id = -1;

    if (*ptr) {
        int hub_id;
        if (!net_hub_id_for_client(*ptr, &hub_id)) {
            id = hub_id;
        }
    }

    visit_type_int32(v, &id, name, errp);
}

static void set_vlan(Object *obj, Visitor *v, void *opaque,
                     const char *name, Error **errp)
{
    DeviceState *dev = DEVICE(obj);
    Property *prop = opaque;
    NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
    NetClientState **ptr = &peers_ptr->ncs[0];
    Error *local_err = NULL;
    int32_t id;
    NetClientState *hubport;

    if (dev->realized) {
        qdev_prop_set_after_realize(dev, name, errp);
        return;
    }

    visit_type_int32(v, &id, name, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        return;
    }
    if (id == -1) {
        *ptr = NULL;
        return;
    }
    if (*ptr) {
        error_set_from_qdev_prop_error(errp, -EINVAL, dev, prop, name);
        return;
    }

    hubport = net_hub_port_find(id);
    if (!hubport) {
        error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                   name, prop->info->name);
        return;
    }
    *ptr = hubport;
}

PropertyInfo qdev_prop_vlan = {
    .name  = "int32",
    .description = "Integer VLAN id to connect to",
    .print = print_vlan,
    .get   = get_vlan,
    .set   = set_vlan,
};

void qdev_prop_set_drive(DeviceState *dev, const char *name,
                         BlockBackend *value, Error **errp)
{
    object_property_set_str(OBJECT(dev), value ? blk_name(value) : "",
                            name, errp);
}

void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name,
                                BlockBackend *value)
{
    qdev_prop_set_drive(dev, name, value, &error_fatal);
}

void qdev_prop_set_chr(DeviceState *dev, const char *name,
                       CharDriverState *value)
{
    assert(!value || value->label);
    object_property_set_str(OBJECT(dev),
                            value ? value->label : "", name, &error_abort);
}

void qdev_prop_set_netdev(DeviceState *dev, const char *name,
                          NetClientState *value)
{
    assert(!value || value->name);
    object_property_set_str(OBJECT(dev),
                            value ? value->name : "", name, &error_abort);
}

void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd)
{
    qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a);
    if (nd->netdev) {
        qdev_prop_set_netdev(dev, "netdev", nd->netdev);
    }
    if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
        object_property_find(OBJECT(dev), "vectors", NULL)) {
        qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
    }
    nd->instantiated = 1;
}

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

    g = g_malloc0(sizeof(*g));
    g->driver   = qemu_opt_get(opts, "driver");
    g->property = qemu_opt_get(opts, "property");
    g->value    = qemu_opt_get(opts, "value");
    g->user_provided = true;
    qdev_prop_register_global(g);
    return 0;
}

void qemu_add_globals(void)
{
    qemu_opts_foreach(qemu_find_opts("global"),
                      qdev_add_one_global, NULL, NULL);
}
Commit	Line	Data
a404b612 EH	1	/*
	2	* qdev property parsing and global properties
	3	* (parts specific for qemu-system-*)
	4	*
	5	* This file is based on code from hw/qdev-properties.c from
	6	* commit 074a86fccd185616469dfcdc0e157f438aebba18,
	7	* Copyright (c) Gerd Hoffmann <kraxel@redhat.com> and other contributors.
	8	*
	9	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	10	* See the COPYING file in the top-level directory.
	11	*/
	12
501a7ce7	13	#include "net/net.h"
83c9f4ca	14	#include "hw/qdev.h"
501a7ce7	15	#include "qapi/qmp/qerror.h"
4be74634	16	#include "sysemu/block-backend.h"
501a7ce7	17	#include "sysemu/blockdev.h"
0d09e41a	18	#include "hw/block/block.h"
a404b612	19	#include "net/hub.h"
501a7ce7	20	#include "qapi/visitor.h"
dccfcd0e	21	#include "sysemu/char.h"
6e4a876b	22	#include "sysemu/iothread.h"
a404b612 EH	23
a404b612 EH	24	static void get_pointer(Object obj, Visitor v, Property *prop,
7d1de464	25	char (print)(void *ptr),
a404b612 EH	26	const char name, Error *errp)
	27	{
	28	DeviceState *dev = DEVICE(obj);
	29	void **ptr = qdev_get_prop_ptr(dev, prop);
	30	char *p;
	31
7d1de464	32	p = ptr ? print(ptr) : g_strdup("");
a404b612	33	visit_type_str(v, &p, name, errp);
7d1de464	34	g_free(p);
a404b612 EH	35	}
	36
	37	static void set_pointer(Object obj, Visitor v, Property *prop,
f1fb9f0d PM	38	void (parse)(DeviceState dev, const char *str,
	39	void *ptr, const char propname,
	40	Error **errp),
a404b612 EH	41	const char name, Error *errp)
	42	{
	43	DeviceState *dev = DEVICE(obj);
	44	Error *local_err = NULL;
	45	void **ptr = qdev_get_prop_ptr(dev, prop);
	46	char *str;
a404b612	47
7983c8a3	48	if (dev->realized) {
b000dfbd	49	qdev_prop_set_after_realize(dev, name, errp);
a404b612 EH	50	return;
	51	}
	52
	53	visit_type_str(v, &str, name, &local_err);
	54	if (local_err) {
	55	error_propagate(errp, local_err);
	56	return;
	57	}
	58	if (!*str) {
	59	g_free(str);
	60	*ptr = NULL;
	61	return;
	62	}
f1fb9f0d	63	parse(dev, str, ptr, prop->name, errp);
a404b612 EH	64	g_free(str);
	65	}
	66
	67	/* --- drive --- */
	68
f1fb9f0d PM	69	static void parse_drive(DeviceState dev, const char str, void **ptr,
f1fb9f0d PM	70	const char propname, Error *errp)
a404b612	71	{
4be74634	72	BlockBackend *blk;
a404b612	73
4be74634 MA	74	blk = blk_by_name(str);
4be74634 MA	75	if (!blk) {
f1fb9f0d PM	76	error_setg(errp, "Property '%s.%s' can't find value '%s'",
	77	object_get_typename(OBJECT(dev)), propname, str);
	78	return;
a404b612	79	}
4be74634	80	if (blk_attach_dev(blk, dev) < 0) {
62f7dbde PM	81	DriveInfo *dinfo = blk_legacy_dinfo(blk);
	82
	83	if (dinfo->type != IF_NONE) {
	84	error_setg(errp, "Drive '%s' is already in use because "
	85	"it has been automatically connected to another "
	86	"device (did you need 'if=none' in the drive options?)",
	87	str);
	88	} else {
	89	error_setg(errp, "Drive '%s' is already in use by another device",
	90	str);
	91	}
f1fb9f0d	92	return;
a404b612	93	}
4be74634	94	*ptr = blk;
a404b612 EH	95	}
	96
	97	static void release_drive(Object obj, const char name, void *opaque)
	98	{
	99	DeviceState *dev = DEVICE(obj);
	100	Property *prop = opaque;
4be74634	101	BlockBackend **ptr = qdev_get_prop_ptr(dev, prop);
a404b612 EH	102
a404b612 EH	103	if (*ptr) {
4be74634	104	blk_detach_dev(*ptr, dev);
a404b612 EH	105	blockdev_auto_del(*ptr);
	106	}
	107	}
	108
7d1de464	109	static char print_drive(void ptr)
a404b612	110	{
4be74634	111	return g_strdup(blk_name(ptr));
a404b612 EH	112	}
	113
	114	static void get_drive(Object obj, Visitor v, void *opaque,
	115	const char name, Error *errp)
	116	{
	117	get_pointer(obj, v, opaque, print_drive, name, errp);
	118	}
	119
	120	static void set_drive(Object obj, Visitor v, void *opaque,
	121	const char name, Error *errp)
	122	{
	123	set_pointer(obj, v, opaque, parse_drive, name, errp);
	124	}
	125
	126	PropertyInfo qdev_prop_drive = {
85ca1202	127	.name = "str",
51b2e8c3	128	.description = "ID of a drive to use as a backend",
a404b612 EH	129	.get = get_drive,
	130	.set = set_drive,
	131	.release = release_drive,
	132	};
	133
	134	/* --- character device --- */
	135
f1fb9f0d PM	136	static void parse_chr(DeviceState dev, const char str, void **ptr,
f1fb9f0d PM	137	const char propname, Error *errp)
a404b612 EH	138	{
	139	CharDriverState *chr = qemu_chr_find(str);
	140	if (chr == NULL) {
f1fb9f0d PM	141	error_setg(errp, "Property '%s.%s' can't find value '%s'",
	142	object_get_typename(OBJECT(dev)), propname, str);
	143	return;
a404b612	144	}
44c473de	145	if (qemu_chr_fe_claim(chr) != 0) {
f1fb9f0d PM	146	error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use",
	147	object_get_typename(OBJECT(dev)), propname, str);
	148	return;
a404b612 EH	149	}
a404b612 EH	150	*ptr = chr;
a404b612 EH	151	}
	152
	153	static void release_chr(Object obj, const char name, void *opaque)
	154	{
	155	DeviceState *dev = DEVICE(obj);
	156	Property *prop = opaque;
	157	CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
85d91e32	158	CharDriverState chr = ptr;
a404b612	159
85d91e32 HG	160	if (chr) {
85d91e32 HG	161	qemu_chr_add_handlers(chr, NULL, NULL, NULL, NULL);
44c473de	162	qemu_chr_fe_release(chr);
a404b612 EH	163	}
	164	}
	165
	166
7d1de464	167	static char print_chr(void ptr)
a404b612 EH	168	{
a404b612 EH	169	CharDriverState *chr = ptr;
7d1de464	170	const char *val = chr->label ? chr->label : "";
a404b612	171
7d1de464	172	return g_strdup(val);
a404b612 EH	173	}
	174
	175	static void get_chr(Object obj, Visitor v, void *opaque,
	176	const char name, Error *errp)
	177	{
	178	get_pointer(obj, v, opaque, print_chr, name, errp);
	179	}
	180
	181	static void set_chr(Object obj, Visitor v, void *opaque,
	182	const char name, Error *errp)
	183	{
	184	set_pointer(obj, v, opaque, parse_chr, name, errp);
	185	}
	186
	187	PropertyInfo qdev_prop_chr = {
85ca1202	188	.name = "str",
51b2e8c3	189	.description = "ID of a chardev to use as a backend",
a404b612 EH	190	.get = get_chr,
	191	.set = set_chr,
	192	.release = release_chr,
	193	};
	194
	195	/* --- netdev device --- */
23120b13 JW	196	static void get_netdev(Object obj, Visitor v, void *opaque,
	197	const char name, Error *errp)
	198	{
	199	DeviceState *dev = DEVICE(obj);
	200	Property *prop = opaque;
	201	NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
	202	char *p = g_strdup(peers_ptr->ncs[0] ? peers_ptr->ncs[0]->name : "");
	203
	204	visit_type_str(v, &p, name, errp);
	205	g_free(p);
	206	}
a404b612	207
23120b13 JW	208	static void set_netdev(Object obj, Visitor v, void *opaque,
23120b13 JW	209	const char name, Error *errp)
a404b612	210	{
23120b13 JW	211	DeviceState *dev = DEVICE(obj);
	212	Property *prop = opaque;
	213	NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
1ceef9f2 JW	214	NetClientState **ncs = peers_ptr->ncs;
1ceef9f2 JW	215	NetClientState *peers[MAX_QUEUE_NUM];
23120b13 JW	216	Error *local_err = NULL;
	217	int queues, err = 0, i = 0;
	218	char *str;
	219
	220	if (dev->realized) {
	221	qdev_prop_set_after_realize(dev, name, errp);
	222	return;
	223	}
	224
	225	visit_type_str(v, &str, name, &local_err);
	226	if (local_err) {
	227	error_propagate(errp, local_err);
	228	return;
	229	}
a404b612	230
1ceef9f2 JW	231	queues = qemu_find_net_clients_except(str, peers,
	232	NET_CLIENT_OPTIONS_KIND_NIC,
	233	MAX_QUEUE_NUM);
	234	if (queues == 0) {
23120b13 JW	235	err = -ENOENT;
23120b13 JW	236	goto out;
a404b612	237	}
1ceef9f2 JW	238
1ceef9f2 JW	239	if (queues > MAX_QUEUE_NUM) {
23120b13 JW	240	error_setg(errp, "queues of backend '%s'(%d) exceeds QEMU limitation(%d)",
	241	str, queues, MAX_QUEUE_NUM);
	242	goto out;
1ceef9f2 JW	243	}
	244
	245	for (i = 0; i < queues; i++) {
	246	if (peers[i] == NULL) {
23120b13 JW	247	err = -ENOENT;
23120b13 JW	248	goto out;
1ceef9f2 JW	249	}
	250
	251	if (peers[i]->peer) {
23120b13 JW	252	err = -EEXIST;
23120b13 JW	253	goto out;
1ceef9f2 JW	254	}
1ceef9f2 JW	255
30c367ed	256	if (ncs[i]) {
23120b13 JW	257	err = -EINVAL;
23120b13 JW	258	goto out;
30c367ed VY	259	}
30c367ed VY	260
1ceef9f2 JW	261	ncs[i] = peers[i];
1ceef9f2 JW	262	ncs[i]->queue_index = i;
a404b612	263	}
1ceef9f2	264
575a1c0e	265	peers_ptr->queues = queues;
1ceef9f2	266
23120b13 JW	267	out:
	268	error_set_from_qdev_prop_error(errp, err, dev, prop, str);
	269	g_free(str);
a404b612 EH	270	}
	271
	272	PropertyInfo qdev_prop_netdev = {
85ca1202	273	.name = "str",
51b2e8c3	274	.description = "ID of a netdev to use as a backend",
a404b612 EH	275	.get = get_netdev,
	276	.set = set_netdev,
	277	};
	278
	279	/* --- vlan --- */
	280
	281	static int print_vlan(DeviceState dev, Property prop, char *dest, size_t len)
	282	{
	283	NetClientState **ptr = qdev_get_prop_ptr(dev, prop);
	284
	285	if (*ptr) {
	286	int id;
	287	if (!net_hub_id_for_client(*ptr, &id)) {
	288	return snprintf(dest, len, "%d", id);
	289	}
	290	}
	291
	292	return snprintf(dest, len, "<null>");
	293	}
	294
	295	static void get_vlan(Object obj, Visitor v, void *opaque,
	296	const char name, Error *errp)
	297	{
	298	DeviceState *dev = DEVICE(obj);
	299	Property *prop = opaque;
	300	NetClientState **ptr = qdev_get_prop_ptr(dev, prop);
	301	int32_t id = -1;
	302
	303	if (*ptr) {
	304	int hub_id;
	305	if (!net_hub_id_for_client(*ptr, &hub_id)) {
	306	id = hub_id;
	307	}
	308	}
	309
	310	visit_type_int32(v, &id, name, errp);
	311	}
	312
	313	static void set_vlan(Object obj, Visitor v, void *opaque,
	314	const char name, Error *errp)
	315	{
	316	DeviceState *dev = DEVICE(obj);
	317	Property *prop = opaque;
1ceef9f2 JW	318	NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
1ceef9f2 JW	319	NetClientState **ptr = &peers_ptr->ncs[0];
a404b612 EH	320	Error *local_err = NULL;
	321	int32_t id;
	322	NetClientState *hubport;
	323
7983c8a3	324	if (dev->realized) {
b000dfbd	325	qdev_prop_set_after_realize(dev, name, errp);
a404b612 EH	326	return;
	327	}
	328
	329	visit_type_int32(v, &id, name, &local_err);
	330	if (local_err) {
	331	error_propagate(errp, local_err);
	332	return;
	333	}
	334	if (id == -1) {
	335	*ptr = NULL;
	336	return;
	337	}
30c367ed VY	338	if (*ptr) {
	339	error_set_from_qdev_prop_error(errp, -EINVAL, dev, prop, name);
	340	return;
	341	}
a404b612 EH	342
	343	hubport = net_hub_port_find(id);
	344	if (!hubport) {
c6bd8c70 MA	345	error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
c6bd8c70 MA	346	name, prop->info->name);
a404b612 EH	347	return;
	348	}
	349	*ptr = hubport;
	350	}
	351
	352	PropertyInfo qdev_prop_vlan = {
85ca1202	353	.name = "int32",
51b2e8c3	354	.description = "Integer VLAN id to connect to",
a404b612 EH	355	.print = print_vlan,
	356	.get = get_vlan,
	357	.set = set_vlan,
	358	};
	359
9b3d111a MA	360	void qdev_prop_set_drive(DeviceState dev, const char name,
9b3d111a MA	361	BlockBackend value, Error *errp)
a404b612	362	{
9b3d111a MA	363	object_property_set_str(OBJECT(dev), value ? blk_name(value) : "",
9b3d111a MA	364	name, errp);
a404b612 EH	365	}
	366
	367	void qdev_prop_set_drive_nofail(DeviceState dev, const char name,
4be74634	368	BlockBackend *value)
a404b612	369	{
007b0657	370	qdev_prop_set_drive(dev, name, value, &error_fatal);
a404b612	371	}
9b3d111a	372
a404b612 EH	373	void qdev_prop_set_chr(DeviceState dev, const char name,
	374	CharDriverState *value)
	375	{
a404b612 EH	376	assert(!value \|\| value->label);
a404b612 EH	377	object_property_set_str(OBJECT(dev),
5433a0a8	378	value ? value->label : "", name, &error_abort);
a404b612 EH	379	}
	380
	381	void qdev_prop_set_netdev(DeviceState dev, const char name,
	382	NetClientState *value)
	383	{
a404b612 EH	384	assert(!value \|\| value->name);
a404b612 EH	385	object_property_set_str(OBJECT(dev),
5433a0a8	386	value ? value->name : "", name, &error_abort);
a404b612 EH	387	}
	388
	389	void qdev_set_nic_properties(DeviceState dev, NICInfo nd)
	390	{
	391	qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a);
	392	if (nd->netdev) {
	393	qdev_prop_set_netdev(dev, "netdev", nd->netdev);
	394	}
	395	if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
	396	object_property_find(OBJECT(dev), "vectors", NULL)) {
	397	qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
	398	}
	399	nd->instantiated = 1;
	400	}
	401
28d0de7a	402	static int qdev_add_one_global(void opaque, QemuOpts opts, Error **errp)
a404b612 EH	403	{
	404	GlobalProperty *g;
	405
	406	g = g_malloc0(sizeof(*g));
	407	g->driver = qemu_opt_get(opts, "driver");
	408	g->property = qemu_opt_get(opts, "property");
	409	g->value = qemu_opt_get(opts, "value");
b3ce84fe	410	g->user_provided = true;
a404b612 EH	411	qdev_prop_register_global(g);
	412	return 0;
	413	}
	414
	415	void qemu_add_globals(void)
	416	{
28d0de7a MA	417	qemu_opts_foreach(qemu_find_opts("global"),
28d0de7a MA	418	qdev_add_one_global, NULL, NULL);
a404b612	419	}