[qemu.git] / hw / syborg_virtio.c

/*
 * Virtio Syborg bindings
 *
 * Copyright (c) 2009 CodeSourcery
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "syborg.h"
#include "sysbus.h"
#include "virtio.h"
#include "virtio-net.h"
#include "sysemu.h"

//#define DEBUG_SYBORG_VIRTIO

#ifdef DEBUG_SYBORG_VIRTIO
#define DPRINTF(fmt, ...) \
do { printf("syborg_virtio: " fmt , ## __VA_ARGS__); } while (0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_virtio: error: " fmt , ## __VA_ARGS__); \
    exit(1);} while (0)
#else
#define DPRINTF(fmt, ...) do {} while(0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_virtio: error: " fmt , ## __VA_ARGS__);} while (0)
#endif

enum {
    SYBORG_VIRTIO_ID             = 0,
    SYBORG_VIRTIO_DEVTYPE        = 1,
    SYBORG_VIRTIO_HOST_FEATURES  = 2,
    SYBORG_VIRTIO_GUEST_FEATURES = 3,
    SYBORG_VIRTIO_QUEUE_BASE     = 4,
    SYBORG_VIRTIO_QUEUE_NUM      = 5,
    SYBORG_VIRTIO_QUEUE_SEL      = 6,
    SYBORG_VIRTIO_QUEUE_NOTIFY   = 7,
    SYBORG_VIRTIO_STATUS         = 8,
    SYBORG_VIRTIO_INT_ENABLE     = 9,
    SYBORG_VIRTIO_INT_STATUS     = 10
};

#define SYBORG_VIRTIO_CONFIG 0x100

/* Device independent interface.  */

typedef struct {
    SysBusDevice busdev;
    VirtIODevice *vdev;
    qemu_irq irq;
    uint32_t int_enable;
    uint32_t id;
    NICConf nic;
    uint32_t host_features;
} SyborgVirtIOProxy;

static uint32_t syborg_virtio_readl(void *opaque, target_phys_addr_t offset)
{
    SyborgVirtIOProxy *s = opaque;
    VirtIODevice *vdev = s->vdev;
    uint32_t ret;

    DPRINTF("readl 0x%x\n", (int)offset);
    if (offset >= SYBORG_VIRTIO_CONFIG) {
        return virtio_config_readl(vdev, offset - SYBORG_VIRTIO_CONFIG);
    }
    switch(offset >> 2) {
    case SYBORG_VIRTIO_ID:
        ret = SYBORG_ID_VIRTIO;
        break;
    case SYBORG_VIRTIO_DEVTYPE:
        ret = s->id;
        break;
    case SYBORG_VIRTIO_HOST_FEATURES:
        ret = s->host_features;
        break;
    case SYBORG_VIRTIO_GUEST_FEATURES:
        ret = vdev->guest_features;
        break;
    case SYBORG_VIRTIO_QUEUE_BASE:
        ret = virtio_queue_get_addr(vdev, vdev->queue_sel);
        break;
    case SYBORG_VIRTIO_QUEUE_NUM:
        ret = virtio_queue_get_num(vdev, vdev->queue_sel);
        break;
    case SYBORG_VIRTIO_QUEUE_SEL:
        ret = vdev->queue_sel;
        break;
    case SYBORG_VIRTIO_STATUS:
        ret = vdev->status;
        break;
    case SYBORG_VIRTIO_INT_ENABLE:
        ret = s->int_enable;
        break;
    case SYBORG_VIRTIO_INT_STATUS:
        ret = vdev->isr;
        break;
    default:
        BADF("Bad read offset 0x%x\n", (int)offset);
        return 0;
    }
    return ret;
}

static void syborg_virtio_writel(void *opaque, target_phys_addr_t offset,
                                 uint32_t value)
{
    SyborgVirtIOProxy *s = opaque;
    VirtIODevice *vdev = s->vdev;

    DPRINTF("writel 0x%x = 0x%x\n", (int)offset, value);
    if (offset >= SYBORG_VIRTIO_CONFIG) {
        return virtio_config_writel(vdev, offset - SYBORG_VIRTIO_CONFIG,
                                    value);
    }
    switch (offset >> 2) {
    case SYBORG_VIRTIO_GUEST_FEATURES:
        if (vdev->set_features)
            vdev->set_features(vdev, value);
        vdev->guest_features = value;
        break;
    case SYBORG_VIRTIO_QUEUE_BASE:
        if (value == 0)
            virtio_reset(vdev);
        else
            virtio_queue_set_addr(vdev, vdev->queue_sel, value);
        break;
    case SYBORG_VIRTIO_QUEUE_SEL:
        if (value < VIRTIO_PCI_QUEUE_MAX)
            vdev->queue_sel = value;
        break;
    case SYBORG_VIRTIO_QUEUE_NOTIFY:
        virtio_queue_notify(vdev, value);
        break;
    case SYBORG_VIRTIO_STATUS:
        virtio_set_status(vdev, value & 0xFF);
        if (vdev->status == 0)
            virtio_reset(vdev);
        break;
    case SYBORG_VIRTIO_INT_ENABLE:
        s->int_enable = value;
        virtio_update_irq(vdev);
        break;
    case SYBORG_VIRTIO_INT_STATUS:
        vdev->isr &= ~value;
        virtio_update_irq(vdev);
        break;
    default:
        BADF("Bad write offset 0x%x\n", (int)offset);
        break;
    }
}

static uint32_t syborg_virtio_readw(void *opaque, target_phys_addr_t offset)
{
    SyborgVirtIOProxy *s = opaque;
    VirtIODevice *vdev = s->vdev;

    DPRINTF("readw 0x%x\n", (int)offset);
    if (offset >= SYBORG_VIRTIO_CONFIG) {
        return virtio_config_readw(vdev, offset - SYBORG_VIRTIO_CONFIG);
    }
    BADF("Bad halfword read offset 0x%x\n", (int)offset);
    return -1;
}

static void syborg_virtio_writew(void *opaque, target_phys_addr_t offset,
                                 uint32_t value)
{
    SyborgVirtIOProxy *s = opaque;
    VirtIODevice *vdev = s->vdev;

    DPRINTF("writew 0x%x = 0x%x\n", (int)offset, value);
    if (offset >= SYBORG_VIRTIO_CONFIG) {
        return virtio_config_writew(vdev, offset - SYBORG_VIRTIO_CONFIG,
                                    value);
    }
    BADF("Bad halfword write offset 0x%x\n", (int)offset);
}

static uint32_t syborg_virtio_readb(void *opaque, target_phys_addr_t offset)
{
    SyborgVirtIOProxy *s = opaque;
    VirtIODevice *vdev = s->vdev;

    DPRINTF("readb 0x%x\n", (int)offset);
    if (offset >= SYBORG_VIRTIO_CONFIG) {
        return virtio_config_readb(vdev, offset - SYBORG_VIRTIO_CONFIG);
    }
    BADF("Bad byte read offset 0x%x\n", (int)offset);
    return -1;
}

static void syborg_virtio_writeb(void *opaque, target_phys_addr_t offset,
                                 uint32_t value)
{
    SyborgVirtIOProxy *s = opaque;
    VirtIODevice *vdev = s->vdev;

    DPRINTF("writeb 0x%x = 0x%x\n", (int)offset, value);
    if (offset >= SYBORG_VIRTIO_CONFIG) {
        return virtio_config_writeb(vdev, offset - SYBORG_VIRTIO_CONFIG,
                                    value);
    }
    BADF("Bad byte write offset 0x%x\n", (int)offset);
}

static CPUReadMemoryFunc * const syborg_virtio_readfn[] = {
     syborg_virtio_readb,
     syborg_virtio_readw,
     syborg_virtio_readl
};

static CPUWriteMemoryFunc * const syborg_virtio_writefn[] = {
     syborg_virtio_writeb,
     syborg_virtio_writew,
     syborg_virtio_writel
};

static void syborg_virtio_update_irq(void *opaque, uint16_t vector)
{
    SyborgVirtIOProxy *proxy = opaque;
    int level;

    level = proxy->int_enable & proxy->vdev->isr;
    DPRINTF("IRQ %d\n", level);
    qemu_set_irq(proxy->irq, level != 0);
}

static unsigned syborg_virtio_get_features(void *opaque)
{
    SyborgVirtIOProxy *proxy = opaque;
    return proxy->host_features;
}

static VirtIOBindings syborg_virtio_bindings = {
    .notify = syborg_virtio_update_irq,
    .get_features = syborg_virtio_get_features,
};

static int syborg_virtio_init(SyborgVirtIOProxy *proxy, VirtIODevice *vdev)
{
    int iomemtype;

    proxy->vdev = vdev;

    /* Don't support multiple vectors */
    proxy->vdev->nvectors = 0;
    sysbus_init_irq(&proxy->busdev, &proxy->irq);
    iomemtype = cpu_register_io_memory(syborg_virtio_readfn,
                                       syborg_virtio_writefn, proxy);
    sysbus_init_mmio(&proxy->busdev, 0x1000, iomemtype);

    proxy->id = ((uint32_t)0x1af4 << 16) | vdev->device_id;

    qemu_register_reset(virtio_reset, vdev);

    virtio_bind_device(vdev, &syborg_virtio_bindings, proxy);
    proxy->host_features |= (0x1 << VIRTIO_F_NOTIFY_ON_EMPTY);
    proxy->host_features = vdev->get_features(vdev, proxy->host_features);
    return 0;
}

/* Device specific bindings.  */

static int syborg_virtio_net_init(SysBusDevice *dev)
{
    VirtIODevice *vdev;
    SyborgVirtIOProxy *proxy = FROM_SYSBUS(SyborgVirtIOProxy, dev);

    vdev = virtio_net_init(&dev->qdev, &proxy->nic);
    return syborg_virtio_init(proxy, vdev);
}

static SysBusDeviceInfo syborg_virtio_net_info = {
    .init = syborg_virtio_net_init,
    .qdev.name  = "syborg,virtio-net",
    .qdev.size  = sizeof(SyborgVirtIOProxy),
    .qdev.props = (Property[]) {
        DEFINE_NIC_PROPERTIES(SyborgVirtIOProxy, nic),
        DEFINE_VIRTIO_NET_FEATURES(SyborgVirtIOProxy, host_features),
        DEFINE_PROP_END_OF_LIST(),
    }
};

static void syborg_virtio_register_devices(void)
{
    sysbus_register_withprop(&syborg_virtio_net_info);
}

device_init(syborg_virtio_register_devices)
Commit	Line	Data
340d96e7 PB	1	/*
	2	* Virtio Syborg bindings
	3	*
	4	* Copyright (c) 2009 CodeSourcery
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24
	25	#include "syborg.h"
	26	#include "sysbus.h"
	27	#include "virtio.h"
8172539d	28	#include "virtio-net.h"
340d96e7 PB	29	#include "sysemu.h"
	30
	31	//#define DEBUG_SYBORG_VIRTIO
	32
	33	#ifdef DEBUG_SYBORG_VIRTIO
	34	#define DPRINTF(fmt, ...) \
	35	do { printf("syborg_virtio: " fmt , ## __VA_ARGS__); } while (0)
	36	#define BADF(fmt, ...) \
	37	do { fprintf(stderr, "syborg_virtio: error: " fmt , ## __VA_ARGS__); \
	38	exit(1);} while (0)
	39	#else
	40	#define DPRINTF(fmt, ...) do {} while(0)
	41	#define BADF(fmt, ...) \
	42	do { fprintf(stderr, "syborg_virtio: error: " fmt , ## __VA_ARGS__);} while (0)
	43	#endif
	44
	45	enum {
	46	SYBORG_VIRTIO_ID = 0,
	47	SYBORG_VIRTIO_DEVTYPE = 1,
	48	SYBORG_VIRTIO_HOST_FEATURES = 2,
	49	SYBORG_VIRTIO_GUEST_FEATURES = 3,
	50	SYBORG_VIRTIO_QUEUE_BASE = 4,
	51	SYBORG_VIRTIO_QUEUE_NUM = 5,
	52	SYBORG_VIRTIO_QUEUE_SEL = 6,
	53	SYBORG_VIRTIO_QUEUE_NOTIFY = 7,
	54	SYBORG_VIRTIO_STATUS = 8,
	55	SYBORG_VIRTIO_INT_ENABLE = 9,
	56	SYBORG_VIRTIO_INT_STATUS = 10
	57	};
	58
	59	#define SYBORG_VIRTIO_CONFIG 0x100
	60
	61	/* Device independent interface. */
	62
	63	typedef struct {
	64	SysBusDevice busdev;
	65	VirtIODevice *vdev;
	66	qemu_irq irq;
	67	uint32_t int_enable;
	68	uint32_t id;
97b15621	69	NICConf nic;
8172539d	70	uint32_t host_features;
340d96e7 PB	71	} SyborgVirtIOProxy;
340d96e7 PB	72
c227f099	73	static uint32_t syborg_virtio_readl(void *opaque, target_phys_addr_t offset)
340d96e7 PB	74	{
	75	SyborgVirtIOProxy *s = opaque;
	76	VirtIODevice *vdev = s->vdev;
	77	uint32_t ret;
	78
	79	DPRINTF("readl 0x%x\n", (int)offset);
	80	if (offset >= SYBORG_VIRTIO_CONFIG) {
	81	return virtio_config_readl(vdev, offset - SYBORG_VIRTIO_CONFIG);
	82	}
	83	switch(offset >> 2) {
	84	case SYBORG_VIRTIO_ID:
	85	ret = SYBORG_ID_VIRTIO;
	86	break;
	87	case SYBORG_VIRTIO_DEVTYPE:
	88	ret = s->id;
	89	break;
	90	case SYBORG_VIRTIO_HOST_FEATURES:
8172539d	91	ret = s->host_features;
340d96e7 PB	92	break;
340d96e7 PB	93	case SYBORG_VIRTIO_GUEST_FEATURES:
704a76fc	94	ret = vdev->guest_features;
340d96e7 PB	95	break;
	96	case SYBORG_VIRTIO_QUEUE_BASE:
	97	ret = virtio_queue_get_addr(vdev, vdev->queue_sel);
	98	break;
	99	case SYBORG_VIRTIO_QUEUE_NUM:
	100	ret = virtio_queue_get_num(vdev, vdev->queue_sel);
	101	break;
	102	case SYBORG_VIRTIO_QUEUE_SEL:
	103	ret = vdev->queue_sel;
	104	break;
	105	case SYBORG_VIRTIO_STATUS:
	106	ret = vdev->status;
	107	break;
	108	case SYBORG_VIRTIO_INT_ENABLE:
	109	ret = s->int_enable;
	110	break;
	111	case SYBORG_VIRTIO_INT_STATUS:
	112	ret = vdev->isr;
	113	break;
	114	default:
	115	BADF("Bad read offset 0x%x\n", (int)offset);
	116	return 0;
	117	}
	118	return ret;
	119	}
	120
c227f099	121	static void syborg_virtio_writel(void *opaque, target_phys_addr_t offset,
340d96e7 PB	122	uint32_t value)
	123	{
	124	SyborgVirtIOProxy *s = opaque;
	125	VirtIODevice *vdev = s->vdev;
	126
	127	DPRINTF("writel 0x%x = 0x%x\n", (int)offset, value);
	128	if (offset >= SYBORG_VIRTIO_CONFIG) {
	129	return virtio_config_writel(vdev, offset - SYBORG_VIRTIO_CONFIG,
	130	value);
	131	}
	132	switch (offset >> 2) {
	133	case SYBORG_VIRTIO_GUEST_FEATURES:
	134	if (vdev->set_features)
	135	vdev->set_features(vdev, value);
704a76fc	136	vdev->guest_features = value;
340d96e7 PB	137	break;
340d96e7 PB	138	case SYBORG_VIRTIO_QUEUE_BASE:
7055e687 MT	139	if (value == 0)
	140	virtio_reset(vdev);
	141	else
	142	virtio_queue_set_addr(vdev, vdev->queue_sel, value);
340d96e7 PB	143	break;
	144	case SYBORG_VIRTIO_QUEUE_SEL:
	145	if (value < VIRTIO_PCI_QUEUE_MAX)
	146	vdev->queue_sel = value;
	147	break;
	148	case SYBORG_VIRTIO_QUEUE_NOTIFY:
	149	virtio_queue_notify(vdev, value);
	150	break;
	151	case SYBORG_VIRTIO_STATUS:
3e607cb5	152	virtio_set_status(vdev, value & 0xFF);
340d96e7 PB	153	if (vdev->status == 0)
	154	virtio_reset(vdev);
	155	break;
	156	case SYBORG_VIRTIO_INT_ENABLE:
	157	s->int_enable = value;
	158	virtio_update_irq(vdev);
	159	break;
	160	case SYBORG_VIRTIO_INT_STATUS:
	161	vdev->isr &= ~value;
	162	virtio_update_irq(vdev);
	163	break;
	164	default:
	165	BADF("Bad write offset 0x%x\n", (int)offset);
	166	break;
	167	}
	168	}
	169
c227f099	170	static uint32_t syborg_virtio_readw(void *opaque, target_phys_addr_t offset)
340d96e7 PB	171	{
	172	SyborgVirtIOProxy *s = opaque;
	173	VirtIODevice *vdev = s->vdev;
	174
	175	DPRINTF("readw 0x%x\n", (int)offset);
	176	if (offset >= SYBORG_VIRTIO_CONFIG) {
	177	return virtio_config_readw(vdev, offset - SYBORG_VIRTIO_CONFIG);
	178	}
	179	BADF("Bad halfword read offset 0x%x\n", (int)offset);
	180	return -1;
	181	}
	182
c227f099	183	static void syborg_virtio_writew(void *opaque, target_phys_addr_t offset,
340d96e7 PB	184	uint32_t value)
	185	{
	186	SyborgVirtIOProxy *s = opaque;
	187	VirtIODevice *vdev = s->vdev;
	188
	189	DPRINTF("writew 0x%x = 0x%x\n", (int)offset, value);
	190	if (offset >= SYBORG_VIRTIO_CONFIG) {
	191	return virtio_config_writew(vdev, offset - SYBORG_VIRTIO_CONFIG,
	192	value);
	193	}
	194	BADF("Bad halfword write offset 0x%x\n", (int)offset);
	195	}
	196
c227f099	197	static uint32_t syborg_virtio_readb(void *opaque, target_phys_addr_t offset)
340d96e7 PB	198	{
	199	SyborgVirtIOProxy *s = opaque;
	200	VirtIODevice *vdev = s->vdev;
	201
	202	DPRINTF("readb 0x%x\n", (int)offset);
	203	if (offset >= SYBORG_VIRTIO_CONFIG) {
	204	return virtio_config_readb(vdev, offset - SYBORG_VIRTIO_CONFIG);
	205	}
	206	BADF("Bad byte read offset 0x%x\n", (int)offset);
	207	return -1;
	208	}
	209
c227f099	210	static void syborg_virtio_writeb(void *opaque, target_phys_addr_t offset,
340d96e7 PB	211	uint32_t value)
	212	{
	213	SyborgVirtIOProxy *s = opaque;
	214	VirtIODevice *vdev = s->vdev;
	215
	216	DPRINTF("writeb 0x%x = 0x%x\n", (int)offset, value);
	217	if (offset >= SYBORG_VIRTIO_CONFIG) {
	218	return virtio_config_writeb(vdev, offset - SYBORG_VIRTIO_CONFIG,
	219	value);
	220	}
	221	BADF("Bad byte write offset 0x%x\n", (int)offset);
	222	}
	223
d60efc6b	224	static CPUReadMemoryFunc * const syborg_virtio_readfn[] = {
340d96e7 PB	225	syborg_virtio_readb,
	226	syborg_virtio_readw,
	227	syborg_virtio_readl
	228	};
	229
d60efc6b	230	static CPUWriteMemoryFunc * const syborg_virtio_writefn[] = {
340d96e7 PB	231	syborg_virtio_writeb,
	232	syborg_virtio_writew,
	233	syborg_virtio_writel
	234	};
	235
7055e687	236	static void syborg_virtio_update_irq(void *opaque, uint16_t vector)
340d96e7 PB	237	{
	238	SyborgVirtIOProxy *proxy = opaque;
	239	int level;
	240
	241	level = proxy->int_enable & proxy->vdev->isr;
	242	DPRINTF("IRQ %d\n", level);
	243	qemu_set_irq(proxy->irq, level != 0);
	244	}
	245
6d74ca5a MT	246	static unsigned syborg_virtio_get_features(void *opaque)
6d74ca5a MT	247	{
8172539d MT	248	SyborgVirtIOProxy *proxy = opaque;
8172539d MT	249	return proxy->host_features;
6d74ca5a MT	250	}
6d74ca5a MT	251
340d96e7	252	static VirtIOBindings syborg_virtio_bindings = {
6d74ca5a MT	253	.notify = syborg_virtio_update_irq,
6d74ca5a MT	254	.get_features = syborg_virtio_get_features,
340d96e7 PB	255	};
340d96e7 PB	256
81a322d4	257	static int syborg_virtio_init(SyborgVirtIOProxy proxy, VirtIODevice vdev)
340d96e7 PB	258	{
	259	int iomemtype;
	260
	261	proxy->vdev = vdev;
	262
7055e687 MT	263	/* Don't support multiple vectors */
7055e687 MT	264	proxy->vdev->nvectors = 0;
340d96e7	265	sysbus_init_irq(&proxy->busdev, &proxy->irq);
1eed09cb	266	iomemtype = cpu_register_io_memory(syborg_virtio_readfn,
340d96e7 PB	267	syborg_virtio_writefn, proxy);
	268	sysbus_init_mmio(&proxy->busdev, 0x1000, iomemtype);
	269
	270	proxy->id = ((uint32_t)0x1af4 << 16) \| vdev->device_id;
	271
a08d4367	272	qemu_register_reset(virtio_reset, vdev);
7055e687	273
340d96e7	274	virtio_bind_device(vdev, &syborg_virtio_bindings, proxy);
8172539d MT	275	proxy->host_features \|= (0x1 << VIRTIO_F_NOTIFY_ON_EMPTY);
8172539d MT	276	proxy->host_features = vdev->get_features(vdev, proxy->host_features);
81a322d4	277	return 0;
340d96e7 PB	278	}
	279
	280	/* Device specific bindings. */
	281
81a322d4	282	static int syborg_virtio_net_init(SysBusDevice *dev)
340d96e7 PB	283	{
	284	VirtIODevice *vdev;
	285	SyborgVirtIOProxy *proxy = FROM_SYSBUS(SyborgVirtIOProxy, dev);
	286
97b15621	287	vdev = virtio_net_init(&dev->qdev, &proxy->nic);
81a322d4	288	return syborg_virtio_init(proxy, vdev);
340d96e7 PB	289	}
340d96e7 PB	290
97b15621 GH	291	static SysBusDeviceInfo syborg_virtio_net_info = {
	292	.init = syborg_virtio_net_init,
	293	.qdev.name = "syborg,virtio-net",
	294	.qdev.size = sizeof(SyborgVirtIOProxy),
	295	.qdev.props = (Property[]) {
	296	DEFINE_NIC_PROPERTIES(SyborgVirtIOProxy, nic),
8172539d	297	DEFINE_VIRTIO_NET_FEATURES(SyborgVirtIOProxy, host_features),
97b15621 GH	298	DEFINE_PROP_END_OF_LIST(),
	299	}
	300	};
	301
340d96e7 PB	302	static void syborg_virtio_register_devices(void)
340d96e7 PB	303	{
97b15621	304	sysbus_register_withprop(&syborg_virtio_net_info);
340d96e7 PB	305	}
	306
	307	device_init(syborg_virtio_register_devices)