[qemu.git] / hw / s390-virtio-bus.c

/*
 * QEMU S390 virtio target
 *
 * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#include "hw.h"
#include "block.h"
#include "sysemu.h"
#include "net.h"
#include "boards.h"
#include "monitor.h"
#include "loader.h"
#include "elf.h"
#include "hw/virtio.h"
#include "hw/virtio-console.h"
#include "hw/sysbus.h"
#include "kvm.h"

#include "hw/s390-virtio-bus.h"

/* #define DEBUG_S390 */

#ifdef DEBUG_S390
#define dprintf(fmt, ...) \
    do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
#else
#define dprintf(fmt, ...) \
    do { } while (0)
#endif

struct BusInfo s390_virtio_bus_info = {
    .name       = "s390-virtio",
    .size       = sizeof(VirtIOS390Bus),
};

typedef struct {
    DeviceInfo qdev;
    int (*init)(VirtIOS390Device *dev);
} VirtIOS390DeviceInfo;


static const VirtIOBindings virtio_s390_bindings;

static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev);
static void s390_virtio_device_sync(VirtIOS390Device *dev);

VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size)
{
    VirtIOS390Bus *bus;
    BusState *_bus;
    DeviceState *dev;

    /* Create bridge device */
    dev = qdev_create(NULL, "s390-virtio-bridge");
    qdev_init_nofail(dev);

    /* Create bus on bridge device */

    _bus = qbus_create(&s390_virtio_bus_info, dev, "s390-virtio");
    bus = DO_UPCAST(VirtIOS390Bus, bus, _bus);

    bus->dev_page = *ram_size;
    bus->dev_offs = bus->dev_page;
    bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE;

    /* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
    *ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE;

    return bus;
}

static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev)
{
    VirtIOS390Bus *bus;
    int dev_len;

    bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus);
    dev->vdev = vdev;
    dev->dev_offs = bus->dev_offs;
    dev->feat_len = sizeof(uint32_t); /* always keep 32 bits features */

    dev_len = VIRTIO_DEV_OFFS_CONFIG;
    dev_len += s390_virtio_device_num_vq(dev) * VIRTIO_VQCONFIG_LEN;
    dev_len += dev->feat_len * 2;
    dev_len += vdev->config_len;

    bus->dev_offs += dev_len;

    virtio_bind_device(vdev, &virtio_s390_bindings, dev);
    s390_virtio_device_sync(dev);

    return 0;
}

static int s390_virtio_net_init(VirtIOS390Device *dev)
{
    VirtIODevice *vdev;

    vdev = virtio_net_init((DeviceState *)dev, &dev->nic);
    if (!vdev) {
        return -1;
    }

    return s390_virtio_device_init(dev, vdev);
}

static int s390_virtio_blk_init(VirtIOS390Device *dev)
{
    VirtIODevice *vdev;

    vdev = virtio_blk_init((DeviceState *)dev, dev->dinfo);
    if (!vdev) {
        return -1;
    }

    return s390_virtio_device_init(dev, vdev);
}

static int s390_virtio_console_init(VirtIOS390Device *dev)
{
    VirtIOS390Bus *bus;
    VirtIODevice *vdev;
    int r;

    bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus);

    vdev = virtio_console_init((DeviceState *)dev);
    if (!vdev) {
        return -1;
    }

    r = s390_virtio_device_init(dev, vdev);
    if (!r) {
        bus->console = dev;
    }

    return r;
}

static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq)
{
    ram_addr_t token_off;

    token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) +
                (vq * VIRTIO_VQCONFIG_LEN) +
                VIRTIO_VQCONFIG_OFFS_TOKEN;

    return ldq_phys(token_off);
}

static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev)
{
    VirtIODevice *vdev = dev->vdev;
    int num_vq;

    for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) {
        if (!virtio_queue_get_num(vdev, num_vq)) {
            break;
        }
    }

    return num_vq;
}

static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus)
{
    ram_addr_t r = bus->next_ring;

    bus->next_ring += VIRTIO_RING_LEN;
    return r;
}

static void s390_virtio_device_sync(VirtIOS390Device *dev)
{
    VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus);
    ram_addr_t cur_offs;
    uint8_t num_vq;
    int i;

    virtio_reset(dev->vdev);

    /* Sync dev space */
    stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id);

    stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, s390_virtio_device_num_vq(dev));
    stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len);

    stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len);

    num_vq = s390_virtio_device_num_vq(dev);
    stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq);

    /* Sync virtqueues */
    for (i = 0; i < num_vq; i++) {
        ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) +
                        (i * VIRTIO_VQCONFIG_LEN);
        ram_addr_t vring;

        vring = s390_virtio_next_ring(bus);
        virtio_queue_set_addr(dev->vdev, i, vring);
        virtio_queue_set_vector(dev->vdev, i, i);
        stq_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring);
        stw_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i));
    }

    cur_offs = dev->dev_offs;
    cur_offs += VIRTIO_DEV_OFFS_CONFIG;
    cur_offs += num_vq * VIRTIO_VQCONFIG_LEN;

    /* Sync feature bitmap */
    if (dev->vdev->get_features) {
        stl_phys(cur_offs, dev->vdev->get_features(dev->vdev));
    }

    dev->feat_offs = cur_offs + dev->feat_len;
    cur_offs += dev->feat_len * 2;

    /* Sync config space */
    if (dev->vdev->get_config) {
        dev->vdev->get_config(dev->vdev, dev->vdev->config);
    }

    cpu_physical_memory_rw(cur_offs, dev->vdev->config, dev->vdev->config_len, 1);
    cur_offs += dev->vdev->config_len;
}

void s390_virtio_device_update_status(VirtIOS390Device *dev)
{
    VirtIODevice *vdev = dev->vdev;
    uint32_t features;

    vdev->status = ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS);

    /* Update guest supported feature bitmap */

    features = ldl_phys(dev->feat_offs);
    if (vdev->set_features) {
        vdev->set_features(vdev, features);
    }
    vdev->features = features;
}

VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus)
{
    return bus->console;
}

/* Find a device by vring address */
VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus,
                                             ram_addr_t mem,
                                             int *vq_num)
{
    VirtIOS390Device *_dev;
    DeviceState *dev;
    int i;

    QLIST_FOREACH(dev, &bus->bus.children, sibling) {
        _dev = (VirtIOS390Device *)dev;
        for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) {
            if (!virtio_queue_get_addr(_dev->vdev, i))
                break;
            if (virtio_queue_get_addr(_dev->vdev, i) == mem) {
                if (vq_num) {
                    *vq_num = i;
                }
                return _dev;
            }
        }
    }

    return NULL;
}

/* Find a device by device descriptor location */
VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem)
{
    VirtIOS390Device *_dev;
    DeviceState *dev;

    QLIST_FOREACH(dev, &bus->bus.children, sibling) {
        _dev = (VirtIOS390Device *)dev;
        if (_dev->dev_offs == mem) {
            return _dev;
        }
    }

    return NULL;
}

static void virtio_s390_notify(void *opaque, uint16_t vector)
{
    VirtIOS390Device *dev = (VirtIOS390Device*)opaque;
    uint64_t token = s390_virtio_device_vq_token(dev, vector);

    /* XXX kvm dependency! */
    kvm_s390_virtio_irq(s390_cpu_addr2state(0), 0, token);
}

/**************** S390 Virtio Bus Device Descriptions *******************/

static const VirtIOBindings virtio_s390_bindings = {
    .notify = virtio_s390_notify,
};

static VirtIOS390DeviceInfo s390_virtio_net = {
    .init = s390_virtio_net_init,
    .qdev.name = "virtio-net-s390",
    .qdev.size = sizeof(VirtIOS390Device),
    .qdev.props = (Property[]) {
        DEFINE_NIC_PROPERTIES(VirtIOS390Device, nic),
        DEFINE_PROP_END_OF_LIST(),
    },
};

static VirtIOS390DeviceInfo s390_virtio_blk = {
    .init = s390_virtio_blk_init,
    .qdev.name = "virtio-blk-s390",
    .qdev.size = sizeof(VirtIOS390Device),
    .qdev.props = (Property[]) {
        DEFINE_PROP_DRIVE("drive", VirtIOS390Device, dinfo),
        DEFINE_PROP_END_OF_LIST(),
    },
};

static VirtIOS390DeviceInfo s390_virtio_console = {
    .init = s390_virtio_console_init,
    .qdev.name = "virtio-console-s390",
    .qdev.size = sizeof(VirtIOS390Device),
    .qdev.props = (Property[]) {
        DEFINE_PROP_END_OF_LIST(),
    },
};

static int s390_virtio_busdev_init(DeviceState *dev, DeviceInfo *info)
{
    VirtIOS390DeviceInfo *_info = (VirtIOS390DeviceInfo *)info;
    VirtIOS390Device *_dev = (VirtIOS390Device *)dev;

    return _info->init(_dev);
}

static void s390_virtio_bus_register_withprop(VirtIOS390DeviceInfo *info)
{
    info->qdev.init = s390_virtio_busdev_init;
    info->qdev.bus_info = &s390_virtio_bus_info;

    assert(info->qdev.size >= sizeof(VirtIOS390Device));
    qdev_register(&info->qdev);
}

static void s390_virtio_register(void)
{
    s390_virtio_bus_register_withprop(&s390_virtio_console);
    s390_virtio_bus_register_withprop(&s390_virtio_blk);
    s390_virtio_bus_register_withprop(&s390_virtio_net);
}
device_init(s390_virtio_register);


/***************** S390 Virtio Bus Bridge Device *******************/
/* Only required to have the virtio bus as child in the system bus */

static int s390_virtio_bridge_init(SysBusDevice *dev)
{
    /* nothing */
    return 0;
}

static SysBusDeviceInfo s390_virtio_bridge_info = {
    .init = s390_virtio_bridge_init,
    .qdev.name  = "s390-virtio-bridge",
    .qdev.size  = sizeof(SysBusDevice),
    .qdev.no_user = 1,
};

static void s390_virtio_register_devices(void)
{
    sysbus_register_withprop(&s390_virtio_bridge_info);
}

device_init(s390_virtio_register_devices)
Commit	Line	Data
f3304eea AG	1	/*
	2	* QEMU S390 virtio target
	3	*
	4	* Copyright (c) 2009 Alexander Graf <agraf@suse.de>
	5	*
	6	* This library is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU Lesser General Public
	8	* License as published by the Free Software Foundation; either
	9	* version 2 of the License, or (at your option) any later version.
	10	*
	11	* This library is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with this library; if not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include "hw.h"
	21	#include "block.h"
	22	#include "sysemu.h"
	23	#include "net.h"
	24	#include "boards.h"
	25	#include "monitor.h"
	26	#include "loader.h"
	27	#include "elf.h"
	28	#include "hw/virtio.h"
	29	#include "hw/virtio-console.h"
	30	#include "hw/sysbus.h"
	31	#include "kvm.h"
	32
	33	#include "hw/s390-virtio-bus.h"
	34
	35	/* #define DEBUG_S390 */
	36
	37	#ifdef DEBUG_S390
	38	#define dprintf(fmt, ...) \
	39	do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
	40	#else
	41	#define dprintf(fmt, ...) \
	42	do { } while (0)
	43	#endif
	44
	45	struct BusInfo s390_virtio_bus_info = {
	46	.name = "s390-virtio",
	47	.size = sizeof(VirtIOS390Bus),
	48	};
	49
	50	typedef struct {
	51	DeviceInfo qdev;
	52	int (init)(VirtIOS390Device dev);
	53	} VirtIOS390DeviceInfo;
	54
	55
	56	static const VirtIOBindings virtio_s390_bindings;
	57
	58	static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev);
	59	static void s390_virtio_device_sync(VirtIOS390Device *dev);
	60
	61	VirtIOS390Bus s390_virtio_bus_init(ram_addr_t ram_size)
	62	{
	63	VirtIOS390Bus *bus;
	64	BusState *_bus;
65	DeviceState *dev;
66
67	/* Create bridge device */
68	dev = qdev_create(NULL, "s390-virtio-bridge");
69	qdev_init_nofail(dev);
70
71	/* Create bus on bridge device */
72
73	_bus = qbus_create(&s390_virtio_bus_info, dev, "s390-virtio");
74	bus = DO_UPCAST(VirtIOS390Bus, bus, _bus);
75
76	bus->dev_page = *ram_size;
77	bus->dev_offs = bus->dev_page;
78	bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE;
79
80	/* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
81	ram_size += S390_DEVICE_PAGES TARGET_PAGE_SIZE;
82
83	return bus;
84	}
85
86	static int s390_virtio_device_init(VirtIOS390Device dev, VirtIODevice vdev)
87	{
88	VirtIOS390Bus *bus;
89	int dev_len;
90
91	bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus);
92	dev->vdev = vdev;
93	dev->dev_offs = bus->dev_offs;
94	dev->feat_len = sizeof(uint32_t); /* always keep 32 bits features */
95
96	dev_len = VIRTIO_DEV_OFFS_CONFIG;
97	dev_len += s390_virtio_device_num_vq(dev) * VIRTIO_VQCONFIG_LEN;
98	dev_len += dev->feat_len * 2;
99	dev_len += vdev->config_len;
100
101	bus->dev_offs += dev_len;
102
103	virtio_bind_device(vdev, &virtio_s390_bindings, dev);
104	s390_virtio_device_sync(dev);
105
106	return 0;
107	}
108
109	static int s390_virtio_net_init(VirtIOS390Device *dev)
110	{
111	VirtIODevice *vdev;
112
113	vdev = virtio_net_init((DeviceState *)dev, &dev->nic);
114	if (!vdev) {
115	return -1;
116	}
117
118	return s390_virtio_device_init(dev, vdev);
119	}
120
121	static int s390_virtio_blk_init(VirtIOS390Device *dev)
122	{
123	VirtIODevice *vdev;
124
125	vdev = virtio_blk_init((DeviceState *)dev, dev->dinfo);
126	if (!vdev) {
127	return -1;
128	}
129
130	return s390_virtio_device_init(dev, vdev);
131	}
132
133	static int s390_virtio_console_init(VirtIOS390Device *dev)
134	{
135	VirtIOS390Bus *bus;
136	VirtIODevice *vdev;
137	int r;
138
139	bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus);
140
141	vdev = virtio_console_init((DeviceState *)dev);
142	if (!vdev) {
143	return -1;
144	}
145
146	r = s390_virtio_device_init(dev, vdev);
147	if (!r) {
148	bus->console = dev;
149	}
150
151	return r;
152	}
153
154	static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq)
155	{
156	ram_addr_t token_off;
157
158	token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) +
159	(vq * VIRTIO_VQCONFIG_LEN) +
160	VIRTIO_VQCONFIG_OFFS_TOKEN;
161
162	return ldq_phys(token_off);
163	}
164
165	static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev)
166	{
167	VirtIODevice *vdev = dev->vdev;
168	int num_vq;
169
170	for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) {
171	if (!virtio_queue_get_num(vdev, num_vq)) {
172	break;
173	}
174	}
175
176	return num_vq;
177	}
178
179	static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus)
180	{
181	ram_addr_t r = bus->next_ring;
182
183	bus->next_ring += VIRTIO_RING_LEN;
184	return r;
185	}
186
187	static void s390_virtio_device_sync(VirtIOS390Device *dev)
188	{
189	VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus);
190	ram_addr_t cur_offs;
191	uint8_t num_vq;
192	int i;
193
194	virtio_reset(dev->vdev);
195
196	/* Sync dev space */
197	stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id);
198
199	stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, s390_virtio_device_num_vq(dev));
200	stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len);
201
202	stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len);
203
204	num_vq = s390_virtio_device_num_vq(dev);
205	stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq);
206
207	/* Sync virtqueues */
208	for (i = 0; i < num_vq; i++) {
209	ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) +
210	(i * VIRTIO_VQCONFIG_LEN);
211	ram_addr_t vring;
212
213	vring = s390_virtio_next_ring(bus);
214	virtio_queue_set_addr(dev->vdev, i, vring);
215	virtio_queue_set_vector(dev->vdev, i, i);
216	stq_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring);
217	stw_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i));
218	}
219
220	cur_offs = dev->dev_offs;
221	cur_offs += VIRTIO_DEV_OFFS_CONFIG;
222	cur_offs += num_vq * VIRTIO_VQCONFIG_LEN;
223
224	/* Sync feature bitmap */
225	if (dev->vdev->get_features) {
226	stl_phys(cur_offs, dev->vdev->get_features(dev->vdev));
227	}
228
229	dev->feat_offs = cur_offs + dev->feat_len;
230	cur_offs += dev->feat_len * 2;
231
232	/* Sync config space */
233	if (dev->vdev->get_config) {
234	dev->vdev->get_config(dev->vdev, dev->vdev->config);
235	}
236
237	cpu_physical_memory_rw(cur_offs, dev->vdev->config, dev->vdev->config_len, 1);
238	cur_offs += dev->vdev->config_len;
239	}
240
241	void s390_virtio_device_update_status(VirtIOS390Device *dev)
242	{
243	VirtIODevice *vdev = dev->vdev;
244	uint32_t features;
245
246	vdev->status = ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS);
247
248	/* Update guest supported feature bitmap */
249
250	features = ldl_phys(dev->feat_offs);
251	if (vdev->set_features) {
252	vdev->set_features(vdev, features);
253	}
254	vdev->features = features;
255	}
256
257	VirtIOS390Device s390_virtio_bus_console(VirtIOS390Bus bus)
258	{
259	return bus->console;
260	}
261
262	/* Find a device by vring address */
263	VirtIOS390Device s390_virtio_bus_find_vring(VirtIOS390Bus bus,
264	ram_addr_t mem,
265	int *vq_num)
266	{
267	VirtIOS390Device *_dev;
268	DeviceState *dev;
269	int i;
270
271	QLIST_FOREACH(dev, &bus->bus.children, sibling) {
272	_dev = (VirtIOS390Device *)dev;
273	for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) {
274	if (!virtio_queue_get_addr(_dev->vdev, i))
275	break;
276	if (virtio_queue_get_addr(_dev->vdev, i) == mem) {
277	if (vq_num) {
278	*vq_num = i;
279	}
280	return _dev;
281	}
282	}
283	}
284
285	return NULL;
286	}
287
288	/* Find a device by device descriptor location */
289	VirtIOS390Device s390_virtio_bus_find_mem(VirtIOS390Bus bus, ram_addr_t mem)
290	{
291	VirtIOS390Device *_dev;
292	DeviceState *dev;
293
294	QLIST_FOREACH(dev, &bus->bus.children, sibling) {
295	_dev = (VirtIOS390Device *)dev;
296	if (_dev->dev_offs == mem) {
297	return _dev;
298	}
299	}
300
301	return NULL;
302	}
303
304	static void virtio_s390_notify(void *opaque, uint16_t vector)
305	{
306	VirtIOS390Device dev = (VirtIOS390Device)opaque;
307	uint64_t token = s390_virtio_device_vq_token(dev, vector);
308
309	/* XXX kvm dependency! */
86f3dba6	310	kvm_s390_virtio_irq(s390_cpu_addr2state(0), 0, token);
f3304eea AG	311	}
	312
	313	/************** S390 Virtio Bus Device Descriptions *****************/
	314
	315	static const VirtIOBindings virtio_s390_bindings = {
	316	.notify = virtio_s390_notify,
	317	};
	318
	319	static VirtIOS390DeviceInfo s390_virtio_net = {
	320	.init = s390_virtio_net_init,
	321	.qdev.name = "virtio-net-s390",
	322	.qdev.size = sizeof(VirtIOS390Device),
	323	.qdev.props = (Property[]) {
	324	DEFINE_NIC_PROPERTIES(VirtIOS390Device, nic),
	325	DEFINE_PROP_END_OF_LIST(),
	326	},
	327	};
	328
	329	static VirtIOS390DeviceInfo s390_virtio_blk = {
	330	.init = s390_virtio_blk_init,
	331	.qdev.name = "virtio-blk-s390",
	332	.qdev.size = sizeof(VirtIOS390Device),
	333	.qdev.props = (Property[]) {
	334	DEFINE_PROP_DRIVE("drive", VirtIOS390Device, dinfo),
	335	DEFINE_PROP_END_OF_LIST(),
	336	},
	337	};
	338
	339	static VirtIOS390DeviceInfo s390_virtio_console = {
	340	.init = s390_virtio_console_init,
	341	.qdev.name = "virtio-console-s390",
	342	.qdev.size = sizeof(VirtIOS390Device),
	343	.qdev.props = (Property[]) {
	344	DEFINE_PROP_END_OF_LIST(),
	345	},
	346	};
	347
	348	static int s390_virtio_busdev_init(DeviceState dev, DeviceInfo info)
	349	{
	350	VirtIOS390DeviceInfo _info = (VirtIOS390DeviceInfo )info;
	351	VirtIOS390Device _dev = (VirtIOS390Device )dev;
	352
	353	return _info->init(_dev);
	354	}
	355
	356	static void s390_virtio_bus_register_withprop(VirtIOS390DeviceInfo *info)
	357	{
	358	info->qdev.init = s390_virtio_busdev_init;
	359	info->qdev.bus_info = &s390_virtio_bus_info;
	360
	361	assert(info->qdev.size >= sizeof(VirtIOS390Device));
	362	qdev_register(&info->qdev);
	363	}
	364
	365	static void s390_virtio_register(void)
	366	{
	367	s390_virtio_bus_register_withprop(&s390_virtio_console);
	368	s390_virtio_bus_register_withprop(&s390_virtio_blk);
	369	s390_virtio_bus_register_withprop(&s390_virtio_net);
	370	}
	371	device_init(s390_virtio_register);
	372
	373
	374	/*************** S390 Virtio Bus Bridge Device *****************/
375	/* Only required to have the virtio bus as child in the system bus */
376
377	static int s390_virtio_bridge_init(SysBusDevice *dev)
378	{
379	/* nothing */
380	return 0;
381	}
382
383	static SysBusDeviceInfo s390_virtio_bridge_info = {
384	.init = s390_virtio_bridge_init,
385	.qdev.name = "s390-virtio-bridge",
386	.qdev.size = sizeof(SysBusDevice),
387	.qdev.no_user = 1,
388	};
389
390	static void s390_virtio_register_devices(void)
391	{
392	sysbus_register_withprop(&s390_virtio_bridge_info);
393	}
394
395	device_init(s390_virtio_register_devices)