* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
*/
#include <inttypes.h>
#include "virtio-blk.h"
#include "virtio-net.h"
#include "virtio-serial.h"
+#include "virtio-scsi.h"
#include "pci.h"
#include "qemu-error.h"
#include "msix.h"
#include "kvm.h"
#include "blockdev.h"
#include "virtio-pci.h"
+#include "range.h"
/* from Linux's linux/virtio_pci.h */
/* Flags track per-device state like workarounds for quirks in older guests. */
#define VIRTIO_PCI_FLAG_BUS_MASTER_BUG (1 << 0)
-/* Performance improves when virtqueue kick processing is decoupled from the
- * vcpu thread using ioeventfd for some devices. */
-#define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1
-#define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT)
-
/* QEMU doesn't strictly need write barriers since everything runs in
* lock-step. We'll leave the calls to wmb() in though to make it obvious for
* KVM or if kqemu gets SMP support.
*/
#define wmb() do { } while (0)
+/* HACK for virtio to determine if it's running a big endian guest */
+bool virtio_is_big_endian(void);
+
/* virtio device */
static void virtio_pci_notify(void *opaque, uint16_t vector)
{
VirtQueue *vq = virtio_get_queue(proxy->vdev, n);
EventNotifier *notifier = virtio_queue_get_host_notifier(vq);
- int r;
+ int r = 0;
+
if (assign) {
r = event_notifier_init(notifier, 1);
if (r < 0) {
__func__, r);
return r;
}
- r = kvm_set_ioeventfd_pio_word(event_notifier_get_fd(notifier),
- proxy->addr + VIRTIO_PCI_QUEUE_NOTIFY,
- n, assign);
- if (r < 0) {
- error_report("%s: unable to map ioeventfd: %d",
- __func__, r);
- event_notifier_cleanup(notifier);
- }
+ memory_region_add_eventfd(&proxy->bar, VIRTIO_PCI_QUEUE_NOTIFY, 2,
+ true, n, event_notifier_get_fd(notifier));
} else {
- r = kvm_set_ioeventfd_pio_word(event_notifier_get_fd(notifier),
- proxy->addr + VIRTIO_PCI_QUEUE_NOTIFY,
- n, assign);
- if (r < 0) {
- error_report("%s: unable to unmap ioeventfd: %d",
- __func__, r);
- return r;
- }
-
+ memory_region_del_eventfd(&proxy->bar, VIRTIO_PCI_QUEUE_NOTIFY, 2,
+ true, n, event_notifier_get_fd(notifier));
/* Handle the race condition where the guest kicked and we deassigned
* before we got around to handling the kick.
*/
proxy->ioeventfd_started = false;
}
-static void virtio_pci_reset(DeviceState *d)
+void virtio_pci_reset(DeviceState *d)
{
VirtIOPCIProxy *proxy = container_of(d, VirtIOPCIProxy, pci_dev.qdev);
virtio_pci_stop_ioeventfd(proxy);
case VIRTIO_PCI_GUEST_FEATURES:
/* Guest does not negotiate properly? We have to assume nothing. */
if (val & (1 << VIRTIO_F_BAD_FEATURE)) {
- if (vdev->bad_features)
- val = proxy->host_features & vdev->bad_features(vdev);
- else
- val = 0;
+ val = vdev->bad_features ? vdev->bad_features(vdev) : 0;
}
- if (vdev->set_features)
- vdev->set_features(vdev, val);
- vdev->guest_features = val;
+ virtio_set_features(vdev, val);
break;
case VIRTIO_PCI_QUEUE_PFN:
pa = (target_phys_addr_t)val << VIRTIO_PCI_QUEUE_ADDR_SHIFT;
{
VirtIOPCIProxy *proxy = opaque;
uint32_t config = VIRTIO_PCI_CONFIG(&proxy->pci_dev);
- addr -= proxy->addr;
if (addr < config)
return virtio_ioport_read(proxy, addr);
addr -= config;
{
VirtIOPCIProxy *proxy = opaque;
uint32_t config = VIRTIO_PCI_CONFIG(&proxy->pci_dev);
- addr -= proxy->addr;
+ uint16_t val;
if (addr < config)
return virtio_ioport_read(proxy, addr);
addr -= config;
- return virtio_config_readw(proxy->vdev, addr);
+ val = virtio_config_readw(proxy->vdev, addr);
+ if (virtio_is_big_endian()) {
+ /*
+ * virtio is odd, ioports are LE but config space is target native
+ * endian. However, in qemu, all PIO is LE, so we need to re-swap
+ * on BE targets
+ */
+ val = bswap16(val);
+ }
+ return val;
}
static uint32_t virtio_pci_config_readl(void *opaque, uint32_t addr)
{
VirtIOPCIProxy *proxy = opaque;
uint32_t config = VIRTIO_PCI_CONFIG(&proxy->pci_dev);
- addr -= proxy->addr;
+ uint32_t val;
if (addr < config)
return virtio_ioport_read(proxy, addr);
addr -= config;
- return virtio_config_readl(proxy->vdev, addr);
+ val = virtio_config_readl(proxy->vdev, addr);
+ if (virtio_is_big_endian()) {
+ val = bswap32(val);
+ }
+ return val;
}
static void virtio_pci_config_writeb(void *opaque, uint32_t addr, uint32_t val)
{
VirtIOPCIProxy *proxy = opaque;
uint32_t config = VIRTIO_PCI_CONFIG(&proxy->pci_dev);
- addr -= proxy->addr;
if (addr < config) {
virtio_ioport_write(proxy, addr, val);
return;
{
VirtIOPCIProxy *proxy = opaque;
uint32_t config = VIRTIO_PCI_CONFIG(&proxy->pci_dev);
- addr -= proxy->addr;
if (addr < config) {
virtio_ioport_write(proxy, addr, val);
return;
}
addr -= config;
+ if (virtio_is_big_endian()) {
+ val = bswap16(val);
+ }
virtio_config_writew(proxy->vdev, addr, val);
}
{
VirtIOPCIProxy *proxy = opaque;
uint32_t config = VIRTIO_PCI_CONFIG(&proxy->pci_dev);
- addr -= proxy->addr;
if (addr < config) {
virtio_ioport_write(proxy, addr, val);
return;
}
addr -= config;
+ if (virtio_is_big_endian()) {
+ val = bswap32(val);
+ }
virtio_config_writel(proxy->vdev, addr, val);
}
-static void virtio_map(PCIDevice *pci_dev, int region_num,
- pcibus_t addr, pcibus_t size, int type)
-{
- VirtIOPCIProxy *proxy = container_of(pci_dev, VirtIOPCIProxy, pci_dev);
- VirtIODevice *vdev = proxy->vdev;
- unsigned config_len = VIRTIO_PCI_REGION_SIZE(pci_dev) + vdev->config_len;
-
- proxy->addr = addr;
-
- register_ioport_write(addr, config_len, 1, virtio_pci_config_writeb, proxy);
- register_ioport_write(addr, config_len, 2, virtio_pci_config_writew, proxy);
- register_ioport_write(addr, config_len, 4, virtio_pci_config_writel, proxy);
- register_ioport_read(addr, config_len, 1, virtio_pci_config_readb, proxy);
- register_ioport_read(addr, config_len, 2, virtio_pci_config_readw, proxy);
- register_ioport_read(addr, config_len, 4, virtio_pci_config_readl, proxy);
+const MemoryRegionPortio virtio_portio[] = {
+ { 0, 0x10000, 1, .write = virtio_pci_config_writeb, },
+ { 0, 0x10000, 2, .write = virtio_pci_config_writew, },
+ { 0, 0x10000, 4, .write = virtio_pci_config_writel, },
+ { 0, 0x10000, 1, .read = virtio_pci_config_readb, },
+ { 0, 0x10000, 2, .read = virtio_pci_config_readw, },
+ { 0, 0x10000, 4, .read = virtio_pci_config_readl, },
+ PORTIO_END_OF_LIST()
+};
- if (vdev->config_len)
- vdev->get_config(vdev, vdev->config);
-}
+static const MemoryRegionOps virtio_pci_config_ops = {
+ .old_portio = virtio_portio,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
static void virtio_write_config(PCIDevice *pci_dev, uint32_t address,
uint32_t val, int len)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
- if (PCI_COMMAND == address) {
- if (!(val & PCI_COMMAND_MASTER)) {
- if (!(proxy->flags & VIRTIO_PCI_FLAG_BUS_MASTER_BUG)) {
- virtio_pci_stop_ioeventfd(proxy);
- virtio_set_status(proxy->vdev,
- proxy->vdev->status & ~VIRTIO_CONFIG_S_DRIVER_OK);
- }
- }
+ pci_default_write_config(pci_dev, address, val, len);
+
+ if (range_covers_byte(address, len, PCI_COMMAND) &&
+ !(pci_dev->config[PCI_COMMAND] & PCI_COMMAND_MASTER) &&
+ !(proxy->flags & VIRTIO_PCI_FLAG_BUS_MASTER_BUG)) {
+ virtio_pci_stop_ioeventfd(proxy);
+ virtio_set_status(proxy->vdev,
+ proxy->vdev->status & ~VIRTIO_CONFIG_S_DRIVER_OK);
}
- pci_default_write_config(pci_dev, address, val, len);
msix_write_config(pci_dev, address, val, len);
}
if (proxy->class_code) {
pci_config_set_class(config, proxy->class_code);
}
- pci_set_word(config + 0x2c, pci_get_word(config + PCI_VENDOR_ID));
- pci_set_word(config + 0x2e, vdev->device_id);
- config[0x3d] = 1;
-
- if (vdev->nvectors && !msix_init(&proxy->pci_dev, vdev->nvectors, 1, 0)) {
- pci_register_bar(&proxy->pci_dev, 1,
- msix_bar_size(&proxy->pci_dev),
- PCI_BASE_ADDRESS_SPACE_MEMORY,
- msix_mmio_map);
+ pci_set_word(config + PCI_SUBSYSTEM_VENDOR_ID,
+ pci_get_word(config + PCI_VENDOR_ID));
+ pci_set_word(config + PCI_SUBSYSTEM_ID, vdev->device_id);
+ config[PCI_INTERRUPT_PIN] = 1;
+
+ memory_region_init(&proxy->msix_bar, "virtio-msix", 4096);
+ if (vdev->nvectors && !msix_init(&proxy->pci_dev, vdev->nvectors,
+ &proxy->msix_bar, 1, 0)) {
+ pci_register_bar(&proxy->pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY,
+ &proxy->msix_bar);
} else
vdev->nvectors = 0;
if (size & (size-1))
size = 1 << qemu_fls(size);
- pci_register_bar(&proxy->pci_dev, 0, size, PCI_BASE_ADDRESS_SPACE_IO,
- virtio_map);
+ memory_region_init_io(&proxy->bar, &virtio_pci_config_ops, proxy,
+ "virtio-pci", size);
+ pci_register_bar(&proxy->pci_dev, 0, PCI_BASE_ADDRESS_SPACE_IO,
+ &proxy->bar);
if (!kvm_has_many_ioeventfds()) {
proxy->flags &= ~VIRTIO_PCI_FLAG_USE_IOEVENTFD;
static int virtio_exit_pci(PCIDevice *pci_dev)
{
- return msix_uninit(pci_dev);
+ VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
+ int r;
+
+ memory_region_destroy(&proxy->bar);
+ r = msix_uninit(pci_dev, &proxy->msix_bar);
+ memory_region_destroy(&proxy->msix_bar);
+ return r;
}
static int virtio_blk_exit_pci(PCIDevice *pci_dev)
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
VirtIODevice *vdev;
+ if (proxy->class_code != PCI_CLASS_OTHERS &&
+ proxy->class_code != PCI_CLASS_MEMORY_RAM) { /* qemu < 1.1 */
+ proxy->class_code = PCI_CLASS_OTHERS;
+ }
+
vdev = virtio_balloon_init(&pci_dev->qdev);
if (!vdev) {
return -1;
return virtio_exit_pci(pci_dev);
}
-static PCIDeviceInfo virtio_info[] = {
- {
- .qdev.name = "virtio-blk-pci",
- .qdev.alias = "virtio-blk",
- .qdev.size = sizeof(VirtIOPCIProxy),
- .init = virtio_blk_init_pci,
- .exit = virtio_blk_exit_pci,
- .vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET,
- .device_id = PCI_DEVICE_ID_VIRTIO_BLOCK,
- .revision = VIRTIO_PCI_ABI_VERSION,
- .class_id = PCI_CLASS_STORAGE_SCSI,
- .qdev.props = (Property[]) {
- DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0),
- DEFINE_BLOCK_PROPERTIES(VirtIOPCIProxy, block),
- DEFINE_PROP_STRING("serial", VirtIOPCIProxy, block_serial),
- DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
- VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
- DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
- DEFINE_VIRTIO_BLK_FEATURES(VirtIOPCIProxy, host_features),
- DEFINE_PROP_END_OF_LIST(),
- },
- .qdev.reset = virtio_pci_reset,
- },{
- .qdev.name = "virtio-net-pci",
- .qdev.alias = "virtio-net",
- .qdev.size = sizeof(VirtIOPCIProxy),
- .init = virtio_net_init_pci,
- .exit = virtio_net_exit_pci,
- .romfile = "pxe-virtio.rom",
- .vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET,
- .device_id = PCI_DEVICE_ID_VIRTIO_NET,
- .revision = VIRTIO_PCI_ABI_VERSION,
- .class_id = PCI_CLASS_NETWORK_ETHERNET,
- .qdev.props = (Property[]) {
- DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
- VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, false),
- DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3),
- DEFINE_VIRTIO_NET_FEATURES(VirtIOPCIProxy, host_features),
- DEFINE_NIC_PROPERTIES(VirtIOPCIProxy, nic),
- DEFINE_PROP_UINT32("x-txtimer", VirtIOPCIProxy,
- net.txtimer, TX_TIMER_INTERVAL),
- DEFINE_PROP_INT32("x-txburst", VirtIOPCIProxy,
- net.txburst, TX_BURST),
- DEFINE_PROP_STRING("tx", VirtIOPCIProxy, net.tx),
- DEFINE_PROP_END_OF_LIST(),
- },
- .qdev.reset = virtio_pci_reset,
- },{
- .qdev.name = "virtio-serial-pci",
- .qdev.alias = "virtio-serial",
- .qdev.size = sizeof(VirtIOPCIProxy),
- .init = virtio_serial_init_pci,
- .exit = virtio_serial_exit_pci,
- .vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET,
- .device_id = PCI_DEVICE_ID_VIRTIO_CONSOLE,
- .revision = VIRTIO_PCI_ABI_VERSION,
- .class_id = PCI_CLASS_COMMUNICATION_OTHER,
- .qdev.props = (Property[]) {
- DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
- VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
- DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
- DEV_NVECTORS_UNSPECIFIED),
- DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0),
- DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
- DEFINE_PROP_UINT32("max_ports", VirtIOPCIProxy,
- serial.max_virtserial_ports, 31),
- DEFINE_PROP_END_OF_LIST(),
- },
- .qdev.reset = virtio_pci_reset,
- },{
- .qdev.name = "virtio-balloon-pci",
- .qdev.alias = "virtio-balloon",
- .qdev.size = sizeof(VirtIOPCIProxy),
- .init = virtio_balloon_init_pci,
- .exit = virtio_balloon_exit_pci,
- .vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET,
- .device_id = PCI_DEVICE_ID_VIRTIO_BALLOON,
- .revision = VIRTIO_PCI_ABI_VERSION,
- .class_id = PCI_CLASS_MEMORY_RAM,
- .qdev.props = (Property[]) {
- DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
- DEFINE_PROP_END_OF_LIST(),
- },
- .qdev.reset = virtio_pci_reset,
- },{
- /* end of list */
+static Property virtio_blk_properties[] = {
+ DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0),
+ DEFINE_BLOCK_PROPERTIES(VirtIOPCIProxy, block),
+ DEFINE_PROP_STRING("serial", VirtIOPCIProxy, block_serial),
+ DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
+ DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
+ DEFINE_VIRTIO_BLK_FEATURES(VirtIOPCIProxy, host_features),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_blk_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = virtio_blk_init_pci;
+ k->exit = virtio_blk_exit_pci;
+ k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+ k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK;
+ k->revision = VIRTIO_PCI_ABI_VERSION;
+ k->class_id = PCI_CLASS_STORAGE_SCSI;
+ dc->reset = virtio_pci_reset;
+ dc->props = virtio_blk_properties;
+}
+
+static TypeInfo virtio_blk_info = {
+ .name = "virtio-blk-pci",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(VirtIOPCIProxy),
+ .class_init = virtio_blk_class_init,
+};
+
+static Property virtio_net_properties[] = {
+ DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, false),
+ DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3),
+ DEFINE_VIRTIO_NET_FEATURES(VirtIOPCIProxy, host_features),
+ DEFINE_NIC_PROPERTIES(VirtIOPCIProxy, nic),
+ DEFINE_PROP_UINT32("x-txtimer", VirtIOPCIProxy, net.txtimer, TX_TIMER_INTERVAL),
+ DEFINE_PROP_INT32("x-txburst", VirtIOPCIProxy, net.txburst, TX_BURST),
+ DEFINE_PROP_STRING("tx", VirtIOPCIProxy, net.tx),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_net_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = virtio_net_init_pci;
+ k->exit = virtio_net_exit_pci;
+ k->romfile = "pxe-virtio.rom";
+ k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+ k->device_id = PCI_DEVICE_ID_VIRTIO_NET;
+ k->revision = VIRTIO_PCI_ABI_VERSION;
+ k->class_id = PCI_CLASS_NETWORK_ETHERNET;
+ dc->reset = virtio_pci_reset;
+ dc->props = virtio_net_properties;
+}
+
+static TypeInfo virtio_net_info = {
+ .name = "virtio-net-pci",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(VirtIOPCIProxy),
+ .class_init = virtio_net_class_init,
+};
+
+static Property virtio_serial_properties[] = {
+ DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
+ DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, DEV_NVECTORS_UNSPECIFIED),
+ DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0),
+ DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
+ DEFINE_PROP_UINT32("max_ports", VirtIOPCIProxy, serial.max_virtserial_ports, 31),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_serial_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = virtio_serial_init_pci;
+ k->exit = virtio_serial_exit_pci;
+ k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+ k->device_id = PCI_DEVICE_ID_VIRTIO_CONSOLE;
+ k->revision = VIRTIO_PCI_ABI_VERSION;
+ k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
+ dc->reset = virtio_pci_reset;
+ dc->props = virtio_serial_properties;
+}
+
+static TypeInfo virtio_serial_info = {
+ .name = "virtio-serial-pci",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(VirtIOPCIProxy),
+ .class_init = virtio_serial_class_init,
+};
+
+static Property virtio_balloon_properties[] = {
+ DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
+ DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_balloon_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = virtio_balloon_init_pci;
+ k->exit = virtio_balloon_exit_pci;
+ k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+ k->device_id = PCI_DEVICE_ID_VIRTIO_BALLOON;
+ k->revision = VIRTIO_PCI_ABI_VERSION;
+ k->class_id = PCI_CLASS_OTHERS;
+ dc->reset = virtio_pci_reset;
+ dc->props = virtio_balloon_properties;
+}
+
+static TypeInfo virtio_balloon_info = {
+ .name = "virtio-balloon-pci",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(VirtIOPCIProxy),
+ .class_init = virtio_balloon_class_init,
+};
+
+static int virtio_scsi_init_pci(PCIDevice *pci_dev)
+{
+ VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
+ VirtIODevice *vdev;
+
+ vdev = virtio_scsi_init(&pci_dev->qdev, &proxy->scsi);
+ if (!vdev) {
+ return -EINVAL;
}
+
+ vdev->nvectors = proxy->nvectors;
+ virtio_init_pci(proxy, vdev);
+
+ /* make the actual value visible */
+ proxy->nvectors = vdev->nvectors;
+ return 0;
+}
+
+static int virtio_scsi_exit_pci(PCIDevice *pci_dev)
+{
+ VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
+
+ virtio_scsi_exit(proxy->vdev);
+ return virtio_exit_pci(pci_dev);
+}
+
+static Property virtio_scsi_properties[] = {
+ DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
+ DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOPCIProxy, host_features, scsi),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_scsi_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = virtio_scsi_init_pci;
+ k->exit = virtio_scsi_exit_pci;
+ k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+ k->device_id = PCI_DEVICE_ID_VIRTIO_SCSI;
+ k->revision = 0x00;
+ k->class_id = PCI_CLASS_STORAGE_SCSI;
+ dc->reset = virtio_pci_reset;
+ dc->props = virtio_scsi_properties;
+}
+
+static TypeInfo virtio_scsi_info = {
+ .name = "virtio-scsi-pci",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(VirtIOPCIProxy),
+ .class_init = virtio_scsi_class_init,
};
-static void virtio_pci_register_devices(void)
+static void virtio_pci_register_types(void)
{
- pci_qdev_register_many(virtio_info);
+ type_register_static(&virtio_blk_info);
+ type_register_static(&virtio_net_info);
+ type_register_static(&virtio_serial_info);
+ type_register_static(&virtio_balloon_info);
+ type_register_static(&virtio_scsi_info);
}
-device_init(virtio_pci_register_devices)
+type_init(virtio_pci_register_types)
projects / mirror_qemu.git / blobdiff