| /* |
| * Virtio PCI Bindings |
| * |
| * Copyright IBM, Corp. 2007 |
| * Copyright (c) 2009 CodeSourcery |
| * |
| * Authors: |
| * Anthony Liguori <aliguori@us.ibm.com> |
| * Paul Brook <paul@codesourcery.com> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2. See |
| * the COPYING file in the top-level directory. |
| */ |
| |
| #ifndef QEMU_VIRTIO_PCI_H |
| #define QEMU_VIRTIO_PCI_H |
| |
| #include "hw/pci/msi.h" |
| #include "hw/virtio/virtio-blk.h" |
| #include "hw/virtio/virtio-net.h" |
| #include "hw/virtio/virtio-rng.h" |
| #include "hw/virtio/virtio-serial.h" |
| #include "hw/virtio/virtio-scsi.h" |
| #include "hw/virtio/virtio-balloon.h" |
| #include "hw/virtio/virtio-bus.h" |
| #include "hw/virtio/virtio-9p.h" |
| #ifdef CONFIG_VIRTFS |
| #include "hw/9pfs/virtio-9p.h" |
| #endif |
| #ifdef CONFIG_VHOST_SCSI |
| #include "hw/virtio/vhost-scsi.h" |
| #endif |
| |
| typedef struct VirtIOPCIProxy VirtIOPCIProxy; |
| typedef struct VirtIOBlkPCI VirtIOBlkPCI; |
| typedef struct VirtIOSCSIPCI VirtIOSCSIPCI; |
| typedef struct VirtIOBalloonPCI VirtIOBalloonPCI; |
| typedef struct VirtIOSerialPCI VirtIOSerialPCI; |
| typedef struct VirtIONetPCI VirtIONetPCI; |
| typedef struct VHostSCSIPCI VHostSCSIPCI; |
| typedef struct VirtIORngPCI VirtIORngPCI; |
| |
| /* virtio-pci-bus */ |
| |
| typedef struct VirtioBusState VirtioPCIBusState; |
| typedef struct VirtioBusClass VirtioPCIBusClass; |
| |
| #define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus" |
| #define VIRTIO_PCI_BUS(obj) \ |
| OBJECT_CHECK(VirtioPCIBusState, (obj), TYPE_VIRTIO_PCI_BUS) |
| #define VIRTIO_PCI_BUS_GET_CLASS(obj) \ |
| OBJECT_GET_CLASS(VirtioPCIBusClass, obj, TYPE_VIRTIO_PCI_BUS) |
| #define VIRTIO_PCI_BUS_CLASS(klass) \ |
| OBJECT_CLASS_CHECK(VirtioPCIBusClass, klass, TYPE_VIRTIO_PCI_BUS) |
| |
| /* 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) |
| |
| typedef struct { |
| MSIMessage msg; |
| int virq; |
| unsigned int users; |
| } VirtIOIRQFD; |
| |
| /* |
| * virtio-pci: This is the PCIDevice which has a virtio-pci-bus. |
| */ |
| #define TYPE_VIRTIO_PCI "virtio-pci" |
| #define VIRTIO_PCI_GET_CLASS(obj) \ |
| OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI) |
| #define VIRTIO_PCI_CLASS(klass) \ |
| OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI) |
| #define VIRTIO_PCI(obj) \ |
| OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI) |
| |
| typedef struct VirtioPCIClass { |
| PCIDeviceClass parent_class; |
| int (*init)(VirtIOPCIProxy *vpci_dev); |
| } VirtioPCIClass; |
| |
| struct VirtIOPCIProxy { |
| PCIDevice pci_dev; |
| MemoryRegion bar; |
| uint32_t flags; |
| uint32_t class_code; |
| uint32_t nvectors; |
| uint32_t host_features; |
| bool ioeventfd_disabled; |
| bool ioeventfd_started; |
| VirtIOIRQFD *vector_irqfd; |
| int nvqs_with_notifiers; |
| VirtioBusState bus; |
| }; |
| |
| |
| /* |
| * virtio-scsi-pci: This extends VirtioPCIProxy. |
| */ |
| #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci" |
| #define VIRTIO_SCSI_PCI(obj) \ |
| OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI) |
| |
| struct VirtIOSCSIPCI { |
| VirtIOPCIProxy parent_obj; |
| VirtIOSCSI vdev; |
| }; |
| |
| #ifdef CONFIG_VHOST_SCSI |
| /* |
| * vhost-scsi-pci: This extends VirtioPCIProxy. |
| */ |
| #define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci" |
| #define VHOST_SCSI_PCI(obj) \ |
| OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI) |
| |
| struct VHostSCSIPCI { |
| VirtIOPCIProxy parent_obj; |
| VHostSCSI vdev; |
| }; |
| #endif |
| |
| /* |
| * virtio-blk-pci: This extends VirtioPCIProxy. |
| */ |
| #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci" |
| #define VIRTIO_BLK_PCI(obj) \ |
| OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI) |
| |
| struct VirtIOBlkPCI { |
| VirtIOPCIProxy parent_obj; |
| VirtIOBlock vdev; |
| VirtIOBlkConf blk; |
| }; |
| |
| /* |
| * virtio-balloon-pci: This extends VirtioPCIProxy. |
| */ |
| #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci" |
| #define VIRTIO_BALLOON_PCI(obj) \ |
| OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI) |
| |
| struct VirtIOBalloonPCI { |
| VirtIOPCIProxy parent_obj; |
| VirtIOBalloon vdev; |
| }; |
| |
| /* |
| * virtio-serial-pci: This extends VirtioPCIProxy. |
| */ |
| #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci" |
| #define VIRTIO_SERIAL_PCI(obj) \ |
| OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI) |
| |
| struct VirtIOSerialPCI { |
| VirtIOPCIProxy parent_obj; |
| VirtIOSerial vdev; |
| }; |
| |
| /* |
| * virtio-net-pci: This extends VirtioPCIProxy. |
| */ |
| #define TYPE_VIRTIO_NET_PCI "virtio-net-pci" |
| #define VIRTIO_NET_PCI(obj) \ |
| OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI) |
| |
| struct VirtIONetPCI { |
| VirtIOPCIProxy parent_obj; |
| VirtIONet vdev; |
| }; |
| |
| /* |
| * virtio-9p-pci: This extends VirtioPCIProxy. |
| */ |
| |
| #ifdef CONFIG_VIRTFS |
| |
| #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci" |
| #define VIRTIO_9P_PCI(obj) \ |
| OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI) |
| |
| typedef struct V9fsPCIState { |
| VirtIOPCIProxy parent_obj; |
| V9fsState vdev; |
| } V9fsPCIState; |
| |
| #endif |
| |
| /* |
| * virtio-rng-pci: This extends VirtioPCIProxy. |
| */ |
| #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci" |
| #define VIRTIO_RNG_PCI(obj) \ |
| OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI) |
| |
| struct VirtIORngPCI { |
| VirtIOPCIProxy parent_obj; |
| VirtIORNG vdev; |
| }; |
| |
| /* Virtio ABI version, if we increment this, we break the guest driver. */ |
| #define VIRTIO_PCI_ABI_VERSION 0 |
| |
| #endif |