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-rw-r--r--hw/syborg_virtio.c307
1 files changed, 0 insertions, 307 deletions
diff --git a/hw/syborg_virtio.c b/hw/syborg_virtio.c
deleted file mode 100644
index 96a0ee651f..0000000000
--- a/hw/syborg_virtio.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/*
- * 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;
- MemoryRegion iomem;
- 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:
- virtio_set_features(vdev, 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 const MemoryRegionOps syborg_virtio_ops = {
- .old_mmio = {
- .read = { syborg_virtio_readb, syborg_virtio_readw, syborg_virtio_readl },
- .write = { syborg_virtio_writeb, syborg_virtio_writew, syborg_virtio_writel },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-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)
-{
- proxy->vdev = vdev;
-
- /* Don't support multiple vectors */
- proxy->vdev->nvectors = 0;
- sysbus_init_irq(&proxy->busdev, &proxy->irq);
- memory_region_init_io(&proxy->iomem, &syborg_virtio_ops, proxy,
- "virtio", 0x1000);
- sysbus_init_mmio(&proxy->busdev, &proxy->iomem);
-
- 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)
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