* 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"
*/
#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)
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);
+ 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);
+ 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)
return;
}
addr -= config;
+ if (virtio_is_big_endian()) {
+ val = bswap16(val);
+ }
virtio_config_writew(proxy->vdev, addr, val);
}
return;
}
addr -= config;
+ if (virtio_is_big_endian()) {
+ val = bswap32(val);
+ }
virtio_config_writel(proxy->vdev, addr, val);
}
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;
+ 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,
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