[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 <[email protected]> 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 "qemu/osdep.h"
#include "net/net.h"
#include "hw/qdev.h"
#include "qapi/error.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, name, &p, 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, name, &str, &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, const char *name, void *opaque,
                      Error **errp)
{
    get_pointer(obj, v, opaque, print_drive, name, errp);
}

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

static void set_chr(Object *obj, Visitor *v, const char *name, void *opaque,
                    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, const char *name,
                       void *opaque, 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, name, &p, errp);
    g_free(p);
}

static void set_netdev(Object *obj, Visitor *v, const char *name,
                       void *opaque, 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, name, &str, &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, const char *name, void *opaque,
                     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, name, &id, errp);
}

static void set_vlan(Object *obj, Visitor *v, const char *name, void *opaque,
                     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, name, &id, &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_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 <[email protected]> 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
18c86e2b	13	#include "qemu/osdep.h"
501a7ce7	14	#include "net/net.h"
83c9f4ca	15	#include "hw/qdev.h"
da34e65c	16	#include "qapi/error.h"
501a7ce7	17	#include "qapi/qmp/qerror.h"
4be74634	18	#include "sysemu/block-backend.h"
501a7ce7	19	#include "sysemu/blockdev.h"
0d09e41a	20	#include "hw/block/block.h"
a404b612	21	#include "net/hub.h"
501a7ce7	22	#include "qapi/visitor.h"
dccfcd0e	23	#include "sysemu/char.h"
6e4a876b	24	#include "sysemu/iothread.h"
a404b612 EH	25
a404b612 EH	26	static void get_pointer(Object obj, Visitor v, Property *prop,
7d1de464	27	char (print)(void *ptr),
a404b612 EH	28	const char name, Error *errp)
	29	{
	30	DeviceState *dev = DEVICE(obj);
	31	void **ptr = qdev_get_prop_ptr(dev, prop);
	32	char *p;
	33
7d1de464	34	p = ptr ? print(ptr) : g_strdup("");
51e72bc1	35	visit_type_str(v, name, &p, errp);
7d1de464	36	g_free(p);
a404b612 EH	37	}
	38
	39	static void set_pointer(Object obj, Visitor v, Property *prop,
f1fb9f0d PM	40	void (parse)(DeviceState dev, const char *str,
	41	void *ptr, const char propname,
	42	Error **errp),
a404b612 EH	43	const char name, Error *errp)
	44	{
	45	DeviceState *dev = DEVICE(obj);
	46	Error *local_err = NULL;
	47	void **ptr = qdev_get_prop_ptr(dev, prop);
	48	char *str;
a404b612	49
7983c8a3	50	if (dev->realized) {
b000dfbd	51	qdev_prop_set_after_realize(dev, name, errp);
a404b612 EH	52	return;
	53	}
	54
51e72bc1	55	visit_type_str(v, name, &str, &local_err);
a404b612 EH	56	if (local_err) {
	57	error_propagate(errp, local_err);
	58	return;
	59	}
	60	if (!*str) {
	61	g_free(str);
	62	*ptr = NULL;
	63	return;
	64	}
f1fb9f0d	65	parse(dev, str, ptr, prop->name, errp);
a404b612 EH	66	g_free(str);
	67	}
	68
	69	/* --- drive --- */
	70
f1fb9f0d PM	71	static void parse_drive(DeviceState dev, const char str, void **ptr,
f1fb9f0d PM	72	const char propname, Error *errp)
a404b612	73	{
4be74634	74	BlockBackend *blk;
a404b612	75
4be74634 MA	76	blk = blk_by_name(str);
4be74634 MA	77	if (!blk) {
f1fb9f0d PM	78	error_setg(errp, "Property '%s.%s' can't find value '%s'",
	79	object_get_typename(OBJECT(dev)), propname, str);
	80	return;
a404b612	81	}
4be74634	82	if (blk_attach_dev(blk, dev) < 0) {
62f7dbde PM	83	DriveInfo *dinfo = blk_legacy_dinfo(blk);
	84
	85	if (dinfo->type != IF_NONE) {
	86	error_setg(errp, "Drive '%s' is already in use because "
	87	"it has been automatically connected to another "
	88	"device (did you need 'if=none' in the drive options?)",
	89	str);
	90	} else {
	91	error_setg(errp, "Drive '%s' is already in use by another device",
	92	str);
	93	}
f1fb9f0d	94	return;
a404b612	95	}
4be74634	96	*ptr = blk;
a404b612 EH	97	}
	98
	99	static void release_drive(Object obj, const char name, void *opaque)
	100	{
	101	DeviceState *dev = DEVICE(obj);
	102	Property *prop = opaque;
4be74634	103	BlockBackend **ptr = qdev_get_prop_ptr(dev, prop);
a404b612 EH	104
a404b612 EH	105	if (*ptr) {
4be74634	106	blk_detach_dev(*ptr, dev);
a404b612 EH	107	blockdev_auto_del(*ptr);
	108	}
	109	}
	110
7d1de464	111	static char print_drive(void ptr)
a404b612	112	{
4be74634	113	return g_strdup(blk_name(ptr));
a404b612 EH	114	}
a404b612 EH	115
d7bce999 EB	116	static void get_drive(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	117	Error **errp)
a404b612 EH	118	{
	119	get_pointer(obj, v, opaque, print_drive, name, errp);
	120	}
	121
d7bce999 EB	122	static void set_drive(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	123	Error **errp)
a404b612 EH	124	{
	125	set_pointer(obj, v, opaque, parse_drive, name, errp);
	126	}
	127
	128	PropertyInfo qdev_prop_drive = {
85ca1202	129	.name = "str",
51b2e8c3	130	.description = "ID of a drive to use as a backend",
a404b612 EH	131	.get = get_drive,
	132	.set = set_drive,
	133	.release = release_drive,
	134	};
	135
	136	/* --- character device --- */
	137
f1fb9f0d PM	138	static void parse_chr(DeviceState dev, const char str, void **ptr,
f1fb9f0d PM	139	const char propname, Error *errp)
a404b612 EH	140	{
	141	CharDriverState *chr = qemu_chr_find(str);
	142	if (chr == NULL) {
f1fb9f0d PM	143	error_setg(errp, "Property '%s.%s' can't find value '%s'",
	144	object_get_typename(OBJECT(dev)), propname, str);
	145	return;
a404b612	146	}
44c473de	147	if (qemu_chr_fe_claim(chr) != 0) {
f1fb9f0d PM	148	error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use",
	149	object_get_typename(OBJECT(dev)), propname, str);
	150	return;
a404b612 EH	151	}
a404b612 EH	152	*ptr = chr;
a404b612 EH	153	}
	154
	155	static void release_chr(Object obj, const char name, void *opaque)
	156	{
	157	DeviceState *dev = DEVICE(obj);
	158	Property *prop = opaque;
	159	CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
85d91e32	160	CharDriverState chr = ptr;
a404b612	161
85d91e32 HG	162	if (chr) {
85d91e32 HG	163	qemu_chr_add_handlers(chr, NULL, NULL, NULL, NULL);
44c473de	164	qemu_chr_fe_release(chr);
a404b612 EH	165	}
	166	}
	167
	168
7d1de464	169	static char print_chr(void ptr)
a404b612 EH	170	{
a404b612 EH	171	CharDriverState *chr = ptr;
7d1de464	172	const char *val = chr->label ? chr->label : "";
a404b612	173
7d1de464	174	return g_strdup(val);
a404b612 EH	175	}
a404b612 EH	176
d7bce999 EB	177	static void get_chr(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	178	Error **errp)
a404b612 EH	179	{
	180	get_pointer(obj, v, opaque, print_chr, name, errp);
	181	}
	182
d7bce999 EB	183	static void set_chr(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	184	Error **errp)
a404b612 EH	185	{
	186	set_pointer(obj, v, opaque, parse_chr, name, errp);
	187	}
	188
	189	PropertyInfo qdev_prop_chr = {
85ca1202	190	.name = "str",
51b2e8c3	191	.description = "ID of a chardev to use as a backend",
a404b612 EH	192	.get = get_chr,
	193	.set = set_chr,
	194	.release = release_chr,
	195	};
	196
	197	/* --- netdev device --- */
d7bce999 EB	198	static void get_netdev(Object obj, Visitor v, const char *name,
d7bce999 EB	199	void opaque, Error *errp)
23120b13 JW	200	{
	201	DeviceState *dev = DEVICE(obj);
	202	Property *prop = opaque;
	203	NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
	204	char *p = g_strdup(peers_ptr->ncs[0] ? peers_ptr->ncs[0]->name : "");
	205
51e72bc1	206	visit_type_str(v, name, &p, errp);
23120b13 JW	207	g_free(p);
23120b13 JW	208	}
a404b612	209
d7bce999 EB	210	static void set_netdev(Object obj, Visitor v, const char *name,
d7bce999 EB	211	void opaque, Error *errp)
a404b612	212	{
23120b13 JW	213	DeviceState *dev = DEVICE(obj);
	214	Property *prop = opaque;
	215	NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
1ceef9f2 JW	216	NetClientState **ncs = peers_ptr->ncs;
1ceef9f2 JW	217	NetClientState *peers[MAX_QUEUE_NUM];
23120b13 JW	218	Error *local_err = NULL;
	219	int queues, err = 0, i = 0;
	220	char *str;
	221
	222	if (dev->realized) {
	223	qdev_prop_set_after_realize(dev, name, errp);
	224	return;
	225	}
	226
51e72bc1	227	visit_type_str(v, name, &str, &local_err);
23120b13 JW	228	if (local_err) {
	229	error_propagate(errp, local_err);
	230	return;
	231	}
a404b612	232
1ceef9f2 JW	233	queues = qemu_find_net_clients_except(str, peers,
	234	NET_CLIENT_OPTIONS_KIND_NIC,
	235	MAX_QUEUE_NUM);
	236	if (queues == 0) {
23120b13 JW	237	err = -ENOENT;
23120b13 JW	238	goto out;
a404b612	239	}
1ceef9f2 JW	240
1ceef9f2 JW	241	if (queues > MAX_QUEUE_NUM) {
23120b13 JW	242	error_setg(errp, "queues of backend '%s'(%d) exceeds QEMU limitation(%d)",
	243	str, queues, MAX_QUEUE_NUM);
	244	goto out;
1ceef9f2 JW	245	}
	246
	247	for (i = 0; i < queues; i++) {
	248	if (peers[i] == NULL) {
23120b13 JW	249	err = -ENOENT;
23120b13 JW	250	goto out;
1ceef9f2 JW	251	}
	252
	253	if (peers[i]->peer) {
23120b13 JW	254	err = -EEXIST;
23120b13 JW	255	goto out;
1ceef9f2 JW	256	}
1ceef9f2 JW	257
30c367ed	258	if (ncs[i]) {
23120b13 JW	259	err = -EINVAL;
23120b13 JW	260	goto out;
30c367ed VY	261	}
30c367ed VY	262
1ceef9f2 JW	263	ncs[i] = peers[i];
1ceef9f2 JW	264	ncs[i]->queue_index = i;
a404b612	265	}
1ceef9f2	266
575a1c0e	267	peers_ptr->queues = queues;
1ceef9f2	268
23120b13 JW	269	out:
	270	error_set_from_qdev_prop_error(errp, err, dev, prop, str);
	271	g_free(str);
a404b612 EH	272	}
	273
	274	PropertyInfo qdev_prop_netdev = {
85ca1202	275	.name = "str",
51b2e8c3	276	.description = "ID of a netdev to use as a backend",
a404b612 EH	277	.get = get_netdev,
	278	.set = set_netdev,
	279	};
	280
	281	/* --- vlan --- */
	282
	283	static int print_vlan(DeviceState dev, Property prop, char *dest, size_t len)
	284	{
	285	NetClientState **ptr = qdev_get_prop_ptr(dev, prop);
	286
	287	if (*ptr) {
	288	int id;
	289	if (!net_hub_id_for_client(*ptr, &id)) {
	290	return snprintf(dest, len, "%d", id);
	291	}
	292	}
	293
	294	return snprintf(dest, len, "<null>");
	295	}
	296
d7bce999 EB	297	static void get_vlan(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	298	Error **errp)
a404b612 EH	299	{
	300	DeviceState *dev = DEVICE(obj);
	301	Property *prop = opaque;
	302	NetClientState **ptr = qdev_get_prop_ptr(dev, prop);
	303	int32_t id = -1;
	304
	305	if (*ptr) {
	306	int hub_id;
	307	if (!net_hub_id_for_client(*ptr, &hub_id)) {
	308	id = hub_id;
	309	}
	310	}
	311
51e72bc1	312	visit_type_int32(v, name, &id, errp);
a404b612 EH	313	}
a404b612 EH	314
d7bce999 EB	315	static void set_vlan(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	316	Error **errp)
a404b612 EH	317	{
	318	DeviceState *dev = DEVICE(obj);
	319	Property *prop = opaque;
1ceef9f2 JW	320	NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
1ceef9f2 JW	321	NetClientState **ptr = &peers_ptr->ncs[0];
a404b612 EH	322	Error *local_err = NULL;
	323	int32_t id;
	324	NetClientState *hubport;
	325
7983c8a3	326	if (dev->realized) {
b000dfbd	327	qdev_prop_set_after_realize(dev, name, errp);
a404b612 EH	328	return;
	329	}
	330
51e72bc1	331	visit_type_int32(v, name, &id, &local_err);
a404b612 EH	332	if (local_err) {
	333	error_propagate(errp, local_err);
	334	return;
	335	}
	336	if (id == -1) {
	337	*ptr = NULL;
	338	return;
	339	}
30c367ed VY	340	if (*ptr) {
	341	error_set_from_qdev_prop_error(errp, -EINVAL, dev, prop, name);
	342	return;
	343	}
a404b612 EH	344
	345	hubport = net_hub_port_find(id);
	346	if (!hubport) {
c6bd8c70 MA	347	error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
c6bd8c70 MA	348	name, prop->info->name);
a404b612 EH	349	return;
	350	}
	351	*ptr = hubport;
	352	}
	353
	354	PropertyInfo qdev_prop_vlan = {
85ca1202	355	.name = "int32",
51b2e8c3	356	.description = "Integer VLAN id to connect to",
a404b612 EH	357	.print = print_vlan,
	358	.get = get_vlan,
	359	.set = set_vlan,
	360	};
	361
9b3d111a MA	362	void qdev_prop_set_drive(DeviceState dev, const char name,
9b3d111a MA	363	BlockBackend value, Error *errp)
a404b612	364	{
9b3d111a MA	365	object_property_set_str(OBJECT(dev), value ? blk_name(value) : "",
9b3d111a MA	366	name, errp);
a404b612 EH	367	}
a404b612 EH	368
a404b612 EH	369	void qdev_prop_set_chr(DeviceState dev, const char name,
	370	CharDriverState *value)
	371	{
a404b612 EH	372	assert(!value \|\| value->label);
a404b612 EH	373	object_property_set_str(OBJECT(dev),
5433a0a8	374	value ? value->label : "", name, &error_abort);
a404b612 EH	375	}
	376
	377	void qdev_prop_set_netdev(DeviceState dev, const char name,
	378	NetClientState *value)
	379	{
a404b612 EH	380	assert(!value \|\| value->name);
a404b612 EH	381	object_property_set_str(OBJECT(dev),
5433a0a8	382	value ? value->name : "", name, &error_abort);
a404b612 EH	383	}
	384
	385	void qdev_set_nic_properties(DeviceState dev, NICInfo nd)
	386	{
	387	qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a);
	388	if (nd->netdev) {
	389	qdev_prop_set_netdev(dev, "netdev", nd->netdev);
	390	}
	391	if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
	392	object_property_find(OBJECT(dev), "vectors", NULL)) {
	393	qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
	394	}
	395	nd->instantiated = 1;
	396	}
	397
28d0de7a	398	static int qdev_add_one_global(void opaque, QemuOpts opts, Error **errp)
a404b612 EH	399	{
	400	GlobalProperty *g;
	401
	402	g = g_malloc0(sizeof(*g));
	403	g->driver = qemu_opt_get(opts, "driver");
	404	g->property = qemu_opt_get(opts, "property");
	405	g->value = qemu_opt_get(opts, "value");
b3ce84fe	406	g->user_provided = true;
a404b612 EH	407	qdev_prop_register_global(g);
	408	return 0;
	409	}
	410
	411	void qemu_add_globals(void)
	412	{
28d0de7a MA	413	qemu_opts_foreach(qemu_find_opts("global"),
28d0de7a MA	414	qdev_add_one_global, NULL, NULL);
a404b612	415	}