[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"

//#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;
    virtio_net_conf net;
} 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:
        if (value < VIRTIO_PCI_QUEUE_MAX) {
            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,
                                       DEVICE_NATIVE_ENDIAN);
    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, &proxy->net);
    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_UINT32("x-txtimer", SyborgVirtIOProxy,
                           net.txtimer, TX_TIMER_INTERVAL),
        DEFINE_PROP_INT32("x-txburst", SyborgVirtIOProxy,
                          net.txburst, TX_BURST),
        DEFINE_PROP_STRING("tx", SyborgVirtIOProxy, net.tx),
        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
	30	//#define DEBUG_SYBORG_VIRTIO
	31
	32	#ifdef DEBUG_SYBORG_VIRTIO
	33	#define DPRINTF(fmt, ...) \
	34	do { printf("syborg_virtio: " fmt , ## __VA_ARGS__); } while (0)
	35	#define BADF(fmt, ...) \
	36	do { fprintf(stderr, "syborg_virtio: error: " fmt , ## __VA_ARGS__); \
	37	exit(1);} while (0)
	38	#else
	39	#define DPRINTF(fmt, ...) do {} while(0)
	40	#define BADF(fmt, ...) \
	41	do { fprintf(stderr, "syborg_virtio: error: " fmt , ## __VA_ARGS__);} while (0)
	42	#endif
	43
	44	enum {
	45	SYBORG_VIRTIO_ID = 0,
	46	SYBORG_VIRTIO_DEVTYPE = 1,
	47	SYBORG_VIRTIO_HOST_FEATURES = 2,
	48	SYBORG_VIRTIO_GUEST_FEATURES = 3,
	49	SYBORG_VIRTIO_QUEUE_BASE = 4,
	50	SYBORG_VIRTIO_QUEUE_NUM = 5,
	51	SYBORG_VIRTIO_QUEUE_SEL = 6,
	52	SYBORG_VIRTIO_QUEUE_NOTIFY = 7,
	53	SYBORG_VIRTIO_STATUS = 8,
	54	SYBORG_VIRTIO_INT_ENABLE = 9,
	55	SYBORG_VIRTIO_INT_STATUS = 10
	56	};
	57
	58	#define SYBORG_VIRTIO_CONFIG 0x100
	59
	60	/* Device independent interface. */
	61
	62	typedef struct {
	63	SysBusDevice busdev;
	64	VirtIODevice *vdev;
	65	qemu_irq irq;
	66	uint32_t int_enable;
	67	uint32_t id;
97b15621	68	NICConf nic;
8172539d	69	uint32_t host_features;
f0c07c7c	70	virtio_net_conf net;
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:
7157e2e2 SH	149	if (value < VIRTIO_PCI_QUEUE_MAX) {
	150	virtio_queue_notify(vdev, value);
	151	}
340d96e7 PB	152	break;
340d96e7 PB	153	case SYBORG_VIRTIO_STATUS:
3e607cb5	154	virtio_set_status(vdev, value & 0xFF);
340d96e7 PB	155	if (vdev->status == 0)
	156	virtio_reset(vdev);
	157	break;
	158	case SYBORG_VIRTIO_INT_ENABLE:
	159	s->int_enable = value;
	160	virtio_update_irq(vdev);
	161	break;
	162	case SYBORG_VIRTIO_INT_STATUS:
	163	vdev->isr &= ~value;
	164	virtio_update_irq(vdev);
	165	break;
	166	default:
	167	BADF("Bad write offset 0x%x\n", (int)offset);
	168	break;
	169	}
	170	}
	171
c227f099	172	static uint32_t syborg_virtio_readw(void *opaque, target_phys_addr_t offset)
340d96e7 PB	173	{
	174	SyborgVirtIOProxy *s = opaque;
	175	VirtIODevice *vdev = s->vdev;
	176
	177	DPRINTF("readw 0x%x\n", (int)offset);
	178	if (offset >= SYBORG_VIRTIO_CONFIG) {
	179	return virtio_config_readw(vdev, offset - SYBORG_VIRTIO_CONFIG);
	180	}
	181	BADF("Bad halfword read offset 0x%x\n", (int)offset);
	182	return -1;
	183	}
	184
c227f099	185	static void syborg_virtio_writew(void *opaque, target_phys_addr_t offset,
340d96e7 PB	186	uint32_t value)
	187	{
	188	SyborgVirtIOProxy *s = opaque;
	189	VirtIODevice *vdev = s->vdev;
	190
	191	DPRINTF("writew 0x%x = 0x%x\n", (int)offset, value);
	192	if (offset >= SYBORG_VIRTIO_CONFIG) {
	193	return virtio_config_writew(vdev, offset - SYBORG_VIRTIO_CONFIG,
	194	value);
	195	}
	196	BADF("Bad halfword write offset 0x%x\n", (int)offset);
	197	}
	198
c227f099	199	static uint32_t syborg_virtio_readb(void *opaque, target_phys_addr_t offset)
340d96e7 PB	200	{
	201	SyborgVirtIOProxy *s = opaque;
	202	VirtIODevice *vdev = s->vdev;
	203
	204	DPRINTF("readb 0x%x\n", (int)offset);
	205	if (offset >= SYBORG_VIRTIO_CONFIG) {
	206	return virtio_config_readb(vdev, offset - SYBORG_VIRTIO_CONFIG);
	207	}
	208	BADF("Bad byte read offset 0x%x\n", (int)offset);
	209	return -1;
	210	}
	211
c227f099	212	static void syborg_virtio_writeb(void *opaque, target_phys_addr_t offset,
340d96e7 PB	213	uint32_t value)
	214	{
	215	SyborgVirtIOProxy *s = opaque;
	216	VirtIODevice *vdev = s->vdev;
	217
	218	DPRINTF("writeb 0x%x = 0x%x\n", (int)offset, value);
	219	if (offset >= SYBORG_VIRTIO_CONFIG) {
	220	return virtio_config_writeb(vdev, offset - SYBORG_VIRTIO_CONFIG,
	221	value);
	222	}
	223	BADF("Bad byte write offset 0x%x\n", (int)offset);
	224	}
	225
d60efc6b	226	static CPUReadMemoryFunc * const syborg_virtio_readfn[] = {
340d96e7 PB	227	syborg_virtio_readb,
	228	syborg_virtio_readw,
	229	syborg_virtio_readl
	230	};
	231
d60efc6b	232	static CPUWriteMemoryFunc * const syborg_virtio_writefn[] = {
340d96e7 PB	233	syborg_virtio_writeb,
	234	syborg_virtio_writew,
	235	syborg_virtio_writel
	236	};
	237
7055e687	238	static void syborg_virtio_update_irq(void *opaque, uint16_t vector)
340d96e7 PB	239	{
	240	SyborgVirtIOProxy *proxy = opaque;
	241	int level;
	242
	243	level = proxy->int_enable & proxy->vdev->isr;
	244	DPRINTF("IRQ %d\n", level);
	245	qemu_set_irq(proxy->irq, level != 0);
	246	}
	247
6d74ca5a MT	248	static unsigned syborg_virtio_get_features(void *opaque)
6d74ca5a MT	249	{
8172539d MT	250	SyborgVirtIOProxy *proxy = opaque;
8172539d MT	251	return proxy->host_features;
6d74ca5a MT	252	}
6d74ca5a MT	253
340d96e7	254	static VirtIOBindings syborg_virtio_bindings = {
6d74ca5a MT	255	.notify = syborg_virtio_update_irq,
6d74ca5a MT	256	.get_features = syborg_virtio_get_features,
340d96e7 PB	257	};
340d96e7 PB	258
81a322d4	259	static int syborg_virtio_init(SyborgVirtIOProxy proxy, VirtIODevice vdev)
340d96e7 PB	260	{
	261	int iomemtype;
	262
	263	proxy->vdev = vdev;
	264
7055e687 MT	265	/* Don't support multiple vectors */
7055e687 MT	266	proxy->vdev->nvectors = 0;
340d96e7	267	sysbus_init_irq(&proxy->busdev, &proxy->irq);
1eed09cb	268	iomemtype = cpu_register_io_memory(syborg_virtio_readfn,
2507c12a AG	269	syborg_virtio_writefn, proxy,
2507c12a AG	270	DEVICE_NATIVE_ENDIAN);
340d96e7 PB	271	sysbus_init_mmio(&proxy->busdev, 0x1000, iomemtype);
	272
	273	proxy->id = ((uint32_t)0x1af4 << 16) \| vdev->device_id;
	274
a08d4367	275	qemu_register_reset(virtio_reset, vdev);
7055e687	276
340d96e7	277	virtio_bind_device(vdev, &syborg_virtio_bindings, proxy);
8172539d MT	278	proxy->host_features \|= (0x1 << VIRTIO_F_NOTIFY_ON_EMPTY);
8172539d MT	279	proxy->host_features = vdev->get_features(vdev, proxy->host_features);
81a322d4	280	return 0;
340d96e7 PB	281	}
	282
	283	/* Device specific bindings. */
	284
81a322d4	285	static int syborg_virtio_net_init(SysBusDevice *dev)
340d96e7 PB	286	{
	287	VirtIODevice *vdev;
	288	SyborgVirtIOProxy *proxy = FROM_SYSBUS(SyborgVirtIOProxy, dev);
	289
f0c07c7c	290	vdev = virtio_net_init(&dev->qdev, &proxy->nic, &proxy->net);
81a322d4	291	return syborg_virtio_init(proxy, vdev);
340d96e7 PB	292	}
340d96e7 PB	293
97b15621 GH	294	static SysBusDeviceInfo syborg_virtio_net_info = {
	295	.init = syborg_virtio_net_init,
	296	.qdev.name = "syborg,virtio-net",
	297	.qdev.size = sizeof(SyborgVirtIOProxy),
	298	.qdev.props = (Property[]) {
	299	DEFINE_NIC_PROPERTIES(SyborgVirtIOProxy, nic),
8172539d	300	DEFINE_VIRTIO_NET_FEATURES(SyborgVirtIOProxy, host_features),
f0c07c7c AW	301	DEFINE_PROP_UINT32("x-txtimer", SyborgVirtIOProxy,
f0c07c7c AW	302	net.txtimer, TX_TIMER_INTERVAL),
e3f30488 AW	303	DEFINE_PROP_INT32("x-txburst", SyborgVirtIOProxy,
e3f30488 AW	304	net.txburst, TX_BURST),
a697a334	305	DEFINE_PROP_STRING("tx", SyborgVirtIOProxy, net.tx),
97b15621 GH	306	DEFINE_PROP_END_OF_LIST(),
	307	}
	308	};
	309
340d96e7 PB	310	static void syborg_virtio_register_devices(void)
340d96e7 PB	311	{
97b15621	312	sysbus_register_withprop(&syborg_virtio_net_info);
340d96e7 PB	313	}
	314
	315	device_init(syborg_virtio_register_devices)