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

/*
 * qdev property parsing
 * (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;
    bool blk_created = false;

    blk = blk_by_name(str);
    if (!blk) {
        BlockDriverState *bs = bdrv_lookup_bs(NULL, str, NULL);
        if (bs) {
            blk = blk_new();
            blk_insert_bs(blk, bs);
            blk_created = true;
        }
    }
    if (!blk) {
        error_setg(errp, "Property '%s.%s' can't find value '%s'",
                   object_get_typename(OBJECT(dev)), propname, str);
        goto fail;
    }
    if (blk_attach_dev(blk, dev) < 0) {
        DriveInfo *dinfo = blk_legacy_dinfo(blk);

        if (dinfo && 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);
        }
        goto fail;
    }

    *ptr = blk;

fail:
    if (blk_created) {
        /* If we need to keep a reference, blk_attach_dev() took it */
        blk_unref(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) {
        blockdev_auto_del(*ptr);
        blk_detach_dev(*ptr, dev);
    }
}

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 = "Node name or ID of a block device 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)
{
    const char *ref = "";

    if (value) {
        ref = blk_name(value);
        if (!*ref) {
            BlockDriverState *bs = blk_bs(value);
            if (bs) {
                ref = bdrv_get_node_name(bs);
            }
        }
    }

    object_property_set_str(OBJECT(dev), ref, 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;
}
Commit	Line	Data
a404b612	1	/*
8d76bfe8	2	* qdev property parsing
a404b612 EH	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;
8daea510	75	bool blk_created = false;
a404b612	76
4be74634	77	blk = blk_by_name(str);
8daea510 KW	78	if (!blk) {
	79	BlockDriverState *bs = bdrv_lookup_bs(NULL, str, NULL);
	80	if (bs) {
	81	blk = blk_new();
	82	blk_insert_bs(blk, bs);
	83	blk_created = true;
	84	}
	85	}
4be74634	86	if (!blk) {
f1fb9f0d PM	87	error_setg(errp, "Property '%s.%s' can't find value '%s'",
f1fb9f0d PM	88	object_get_typename(OBJECT(dev)), propname, str);
8daea510	89	goto fail;
a404b612	90	}
4be74634	91	if (blk_attach_dev(blk, dev) < 0) {
62f7dbde PM	92	DriveInfo *dinfo = blk_legacy_dinfo(blk);
62f7dbde PM	93
a9d52a75	94	if (dinfo && dinfo->type != IF_NONE) {
62f7dbde PM	95	error_setg(errp, "Drive '%s' is already in use because "
	96	"it has been automatically connected to another "
	97	"device (did you need 'if=none' in the drive options?)",
	98	str);
	99	} else {
	100	error_setg(errp, "Drive '%s' is already in use by another device",
	101	str);
	102	}
8daea510	103	goto fail;
a404b612	104	}
8daea510	105
4be74634	106	*ptr = blk;
8daea510 KW	107
	108	fail:
	109	if (blk_created) {
	110	/* If we need to keep a reference, blk_attach_dev() took it */
	111	blk_unref(blk);
	112	}
a404b612 EH	113	}
	114
	115	static void release_drive(Object obj, const char name, void *opaque)
	116	{
	117	DeviceState *dev = DEVICE(obj);
	118	Property *prop = opaque;
4be74634	119	BlockBackend **ptr = qdev_get_prop_ptr(dev, prop);
a404b612 EH	120
a404b612 EH	121	if (*ptr) {
a404b612	122	blockdev_auto_del(*ptr);
8daea510	123	blk_detach_dev(*ptr, dev);
a404b612 EH	124	}
	125	}
	126
7d1de464	127	static char print_drive(void ptr)
a404b612	128	{
4be74634	129	return g_strdup(blk_name(ptr));
a404b612 EH	130	}
a404b612 EH	131
d7bce999 EB	132	static void get_drive(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	133	Error **errp)
a404b612 EH	134	{
	135	get_pointer(obj, v, opaque, print_drive, name, errp);
	136	}
	137
d7bce999 EB	138	static void set_drive(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	139	Error **errp)
a404b612 EH	140	{
	141	set_pointer(obj, v, opaque, parse_drive, name, errp);
	142	}
	143
	144	PropertyInfo qdev_prop_drive = {
85ca1202	145	.name = "str",
8daea510	146	.description = "Node name or ID of a block device to use as a backend",
a404b612 EH	147	.get = get_drive,
	148	.set = set_drive,
	149	.release = release_drive,
	150	};
	151
	152	/* --- character device --- */
	153
f1fb9f0d PM	154	static void parse_chr(DeviceState dev, const char str, void **ptr,
f1fb9f0d PM	155	const char propname, Error *errp)
a404b612 EH	156	{
	157	CharDriverState *chr = qemu_chr_find(str);
	158	if (chr == NULL) {
f1fb9f0d PM	159	error_setg(errp, "Property '%s.%s' can't find value '%s'",
	160	object_get_typename(OBJECT(dev)), propname, str);
	161	return;
a404b612	162	}
44c473de	163	if (qemu_chr_fe_claim(chr) != 0) {
f1fb9f0d PM	164	error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use",
	165	object_get_typename(OBJECT(dev)), propname, str);
	166	return;
a404b612 EH	167	}
a404b612 EH	168	*ptr = chr;
a404b612 EH	169	}
	170
	171	static void release_chr(Object obj, const char name, void *opaque)
	172	{
	173	DeviceState *dev = DEVICE(obj);
	174	Property *prop = opaque;
	175	CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
85d91e32	176	CharDriverState chr = ptr;
a404b612	177
85d91e32 HG	178	if (chr) {
85d91e32 HG	179	qemu_chr_add_handlers(chr, NULL, NULL, NULL, NULL);
44c473de	180	qemu_chr_fe_release(chr);
a404b612 EH	181	}
	182	}
	183
	184
7d1de464	185	static char print_chr(void ptr)
a404b612 EH	186	{
a404b612 EH	187	CharDriverState *chr = ptr;
7d1de464	188	const char *val = chr->label ? chr->label : "";
a404b612	189
7d1de464	190	return g_strdup(val);
a404b612 EH	191	}
a404b612 EH	192
d7bce999 EB	193	static void get_chr(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	194	Error **errp)
a404b612 EH	195	{
	196	get_pointer(obj, v, opaque, print_chr, name, errp);
	197	}
	198
d7bce999 EB	199	static void set_chr(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	200	Error **errp)
a404b612 EH	201	{
	202	set_pointer(obj, v, opaque, parse_chr, name, errp);
	203	}
	204
	205	PropertyInfo qdev_prop_chr = {
85ca1202	206	.name = "str",
51b2e8c3	207	.description = "ID of a chardev to use as a backend",
a404b612 EH	208	.get = get_chr,
	209	.set = set_chr,
	210	.release = release_chr,
	211	};
	212
	213	/* --- netdev device --- */
d7bce999 EB	214	static void get_netdev(Object obj, Visitor v, const char *name,
d7bce999 EB	215	void opaque, Error *errp)
23120b13 JW	216	{
	217	DeviceState *dev = DEVICE(obj);
	218	Property *prop = opaque;
	219	NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
	220	char *p = g_strdup(peers_ptr->ncs[0] ? peers_ptr->ncs[0]->name : "");
	221
51e72bc1	222	visit_type_str(v, name, &p, errp);
23120b13 JW	223	g_free(p);
23120b13 JW	224	}
a404b612	225
d7bce999 EB	226	static void set_netdev(Object obj, Visitor v, const char *name,
d7bce999 EB	227	void opaque, Error *errp)
a404b612	228	{
23120b13 JW	229	DeviceState *dev = DEVICE(obj);
	230	Property *prop = opaque;
	231	NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
1ceef9f2 JW	232	NetClientState **ncs = peers_ptr->ncs;
1ceef9f2 JW	233	NetClientState *peers[MAX_QUEUE_NUM];
23120b13 JW	234	Error *local_err = NULL;
	235	int queues, err = 0, i = 0;
	236	char *str;
	237
	238	if (dev->realized) {
	239	qdev_prop_set_after_realize(dev, name, errp);
	240	return;
	241	}
	242
51e72bc1	243	visit_type_str(v, name, &str, &local_err);
23120b13 JW	244	if (local_err) {
	245	error_propagate(errp, local_err);
	246	return;
	247	}
a404b612	248
1ceef9f2 JW	249	queues = qemu_find_net_clients_except(str, peers,
	250	NET_CLIENT_OPTIONS_KIND_NIC,
	251	MAX_QUEUE_NUM);
	252	if (queues == 0) {
23120b13 JW	253	err = -ENOENT;
23120b13 JW	254	goto out;
a404b612	255	}
1ceef9f2 JW	256
1ceef9f2 JW	257	if (queues > MAX_QUEUE_NUM) {
23120b13 JW	258	error_setg(errp, "queues of backend '%s'(%d) exceeds QEMU limitation(%d)",
	259	str, queues, MAX_QUEUE_NUM);
	260	goto out;
1ceef9f2 JW	261	}
	262
	263	for (i = 0; i < queues; i++) {
	264	if (peers[i] == NULL) {
23120b13 JW	265	err = -ENOENT;
23120b13 JW	266	goto out;
1ceef9f2 JW	267	}
	268
	269	if (peers[i]->peer) {
23120b13 JW	270	err = -EEXIST;
23120b13 JW	271	goto out;
1ceef9f2 JW	272	}
1ceef9f2 JW	273
30c367ed	274	if (ncs[i]) {
23120b13 JW	275	err = -EINVAL;
23120b13 JW	276	goto out;
30c367ed VY	277	}
30c367ed VY	278
1ceef9f2 JW	279	ncs[i] = peers[i];
1ceef9f2 JW	280	ncs[i]->queue_index = i;
a404b612	281	}
1ceef9f2	282
575a1c0e	283	peers_ptr->queues = queues;
1ceef9f2	284
23120b13 JW	285	out:
	286	error_set_from_qdev_prop_error(errp, err, dev, prop, str);
	287	g_free(str);
a404b612 EH	288	}
	289
	290	PropertyInfo qdev_prop_netdev = {
85ca1202	291	.name = "str",
51b2e8c3	292	.description = "ID of a netdev to use as a backend",
a404b612 EH	293	.get = get_netdev,
	294	.set = set_netdev,
	295	};
	296
	297	/* --- vlan --- */
	298
	299	static int print_vlan(DeviceState dev, Property prop, char *dest, size_t len)
	300	{
	301	NetClientState **ptr = qdev_get_prop_ptr(dev, prop);
	302
	303	if (*ptr) {
	304	int id;
	305	if (!net_hub_id_for_client(*ptr, &id)) {
	306	return snprintf(dest, len, "%d", id);
	307	}
	308	}
	309
	310	return snprintf(dest, len, "<null>");
	311	}
	312
d7bce999 EB	313	static void get_vlan(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	314	Error **errp)
a404b612 EH	315	{
	316	DeviceState *dev = DEVICE(obj);
	317	Property *prop = opaque;
	318	NetClientState **ptr = qdev_get_prop_ptr(dev, prop);
	319	int32_t id = -1;
	320
	321	if (*ptr) {
	322	int hub_id;
	323	if (!net_hub_id_for_client(*ptr, &hub_id)) {
	324	id = hub_id;
	325	}
	326	}
	327
51e72bc1	328	visit_type_int32(v, name, &id, errp);
a404b612 EH	329	}
a404b612 EH	330
d7bce999 EB	331	static void set_vlan(Object obj, Visitor v, const char name, void opaque,
d7bce999 EB	332	Error **errp)
a404b612 EH	333	{
	334	DeviceState *dev = DEVICE(obj);
	335	Property *prop = opaque;
1ceef9f2 JW	336	NICPeers *peers_ptr = qdev_get_prop_ptr(dev, prop);
1ceef9f2 JW	337	NetClientState **ptr = &peers_ptr->ncs[0];
a404b612 EH	338	Error *local_err = NULL;
	339	int32_t id;
	340	NetClientState *hubport;
	341
7983c8a3	342	if (dev->realized) {
b000dfbd	343	qdev_prop_set_after_realize(dev, name, errp);
a404b612 EH	344	return;
	345	}
	346
51e72bc1	347	visit_type_int32(v, name, &id, &local_err);
a404b612 EH	348	if (local_err) {
	349	error_propagate(errp, local_err);
	350	return;
	351	}
	352	if (id == -1) {
	353	*ptr = NULL;
	354	return;
	355	}
30c367ed VY	356	if (*ptr) {
	357	error_set_from_qdev_prop_error(errp, -EINVAL, dev, prop, name);
	358	return;
	359	}
a404b612 EH	360
	361	hubport = net_hub_port_find(id);
	362	if (!hubport) {
c6bd8c70 MA	363	error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
c6bd8c70 MA	364	name, prop->info->name);
a404b612 EH	365	return;
	366	}
	367	*ptr = hubport;
	368	}
	369
	370	PropertyInfo qdev_prop_vlan = {
85ca1202	371	.name = "int32",
51b2e8c3	372	.description = "Integer VLAN id to connect to",
a404b612 EH	373	.print = print_vlan,
	374	.get = get_vlan,
	375	.set = set_vlan,
	376	};
	377
9b3d111a MA	378	void qdev_prop_set_drive(DeviceState dev, const char name,
9b3d111a MA	379	BlockBackend value, Error *errp)
a404b612	380	{
8daea510 KW	381	const char *ref = "";
	382
	383	if (value) {
	384	ref = blk_name(value);
	385	if (!*ref) {
	386	BlockDriverState *bs = blk_bs(value);
	387	if (bs) {
	388	ref = bdrv_get_node_name(bs);
	389	}
	390	}
	391	}
	392
	393	object_property_set_str(OBJECT(dev), ref, name, errp);
a404b612 EH	394	}
a404b612 EH	395
a404b612 EH	396	void qdev_prop_set_chr(DeviceState dev, const char name,
	397	CharDriverState *value)
	398	{
a404b612 EH	399	assert(!value \|\| value->label);
a404b612 EH	400	object_property_set_str(OBJECT(dev),
5433a0a8	401	value ? value->label : "", name, &error_abort);
a404b612 EH	402	}
	403
	404	void qdev_prop_set_netdev(DeviceState dev, const char name,
	405	NetClientState *value)
	406	{
a404b612 EH	407	assert(!value \|\| value->name);
a404b612 EH	408	object_property_set_str(OBJECT(dev),
5433a0a8	409	value ? value->name : "", name, &error_abort);
a404b612 EH	410	}
	411
	412	void qdev_set_nic_properties(DeviceState dev, NICInfo nd)
	413	{
	414	qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a);
	415	if (nd->netdev) {
	416	qdev_prop_set_netdev(dev, "netdev", nd->netdev);
	417	}
	418	if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
	419	object_property_find(OBJECT(dev), "vectors", NULL)) {
	420	qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
	421	}
	422	nd->instantiated = 1;
	423	}