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Diffstat (limited to 'src/hw/virtio/virtio-pci.h')
| -rw-r--r-- | src/hw/virtio/virtio-pci.h | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/src/hw/virtio/virtio-pci.h b/src/hw/virtio/virtio-pci.h new file mode 100644 index 0000000..c8f9cfd --- /dev/null +++ b/src/hw/virtio/virtio-pci.h @@ -0,0 +1,318 @@ +/* + * 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" +#include "hw/virtio/virtio-input.h" +#include "hw/virtio/virtio-gpu.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; +typedef struct VirtIOInputPCI VirtIOInputPCI; +typedef struct VirtIOInputHIDPCI VirtIOInputHIDPCI; +typedef struct VirtIOInputHostPCI VirtIOInputHostPCI; +typedef struct VirtIOGPUPCI VirtIOGPUPCI; + +/* 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) + +enum { + VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT, + VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, + VIRTIO_PCI_FLAG_DISABLE_LEGACY_BIT, + VIRTIO_PCI_FLAG_DISABLE_MODERN_BIT, + VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT, + VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT, + VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT, +}; + +/* Need to activate work-arounds for buggy guests at vmstate load. */ +#define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION \ + (1 << VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT) + +/* Performance improves when virtqueue kick processing is decoupled from the + * vcpu thread using ioeventfd for some devices. */ +#define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT) + +/* virtio version flags */ +#define VIRTIO_PCI_FLAG_DISABLE_LEGACY (1 << VIRTIO_PCI_FLAG_DISABLE_LEGACY_BIT) +#define VIRTIO_PCI_FLAG_DISABLE_MODERN (1 << VIRTIO_PCI_FLAG_DISABLE_MODERN_BIT) +#define VIRTIO_PCI_FLAG_DISABLE_PCIE (1 << VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT) + +/* migrate extra state */ +#define VIRTIO_PCI_FLAG_MIGRATE_EXTRA (1 << VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT) + +/* have pio notification for modern device ? */ +#define VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY \ + (1 << VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_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; + DeviceRealize parent_dc_realize; + void (*realize)(VirtIOPCIProxy *vpci_dev, Error **errp); +} VirtioPCIClass; + +typedef struct VirtIOPCIRegion { + MemoryRegion mr; + uint32_t offset; + uint32_t size; + uint32_t type; +} VirtIOPCIRegion; + +typedef struct VirtIOPCIQueue { + uint16_t num; + bool enabled; + uint32_t desc[2]; + uint32_t avail[2]; + uint32_t used[2]; +} VirtIOPCIQueue; + +struct VirtIOPCIProxy { + PCIDevice pci_dev; + MemoryRegion bar; + VirtIOPCIRegion common; + VirtIOPCIRegion isr; + VirtIOPCIRegion device; + VirtIOPCIRegion notify; + VirtIOPCIRegion notify_pio; + MemoryRegion modern_bar; + MemoryRegion io_bar; + MemoryRegion modern_cfg; + AddressSpace modern_as; + uint32_t legacy_io_bar; + uint32_t msix_bar; + uint32_t modern_io_bar; + uint32_t modern_mem_bar; + int config_cap; + uint32_t flags; + uint32_t class_code; + uint32_t nvectors; + uint32_t dfselect; + uint32_t gfselect; + uint32_t guest_features[2]; + VirtIOPCIQueue vqs[VIRTIO_QUEUE_MAX]; + + 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; +}; + +/* + * 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-input-pci: This extends VirtioPCIProxy. + */ +#define TYPE_VIRTIO_INPUT_PCI "virtio-input-pci" +#define VIRTIO_INPUT_PCI(obj) \ + OBJECT_CHECK(VirtIOInputPCI, (obj), TYPE_VIRTIO_INPUT_PCI) + +struct VirtIOInputPCI { + VirtIOPCIProxy parent_obj; + VirtIOInput vdev; +}; + +#define TYPE_VIRTIO_INPUT_HID_PCI "virtio-input-hid-pci" +#define TYPE_VIRTIO_KEYBOARD_PCI "virtio-keyboard-pci" +#define TYPE_VIRTIO_MOUSE_PCI "virtio-mouse-pci" +#define TYPE_VIRTIO_TABLET_PCI "virtio-tablet-pci" +#define VIRTIO_INPUT_HID_PCI(obj) \ + OBJECT_CHECK(VirtIOInputHIDPCI, (obj), TYPE_VIRTIO_INPUT_HID_PCI) + +struct VirtIOInputHIDPCI { + VirtIOPCIProxy parent_obj; + VirtIOInputHID vdev; +}; + +#ifdef CONFIG_LINUX + +#define TYPE_VIRTIO_INPUT_HOST_PCI "virtio-input-host-pci" +#define VIRTIO_INPUT_HOST_PCI(obj) \ + OBJECT_CHECK(VirtIOInputHostPCI, (obj), TYPE_VIRTIO_INPUT_HOST_PCI) + +struct VirtIOInputHostPCI { + VirtIOPCIProxy parent_obj; + VirtIOInputHost vdev; +}; + +#endif + +/* + * virtio-gpu-pci: This extends VirtioPCIProxy. + */ +#define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci" +#define VIRTIO_GPU_PCI(obj) \ + OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI) + +struct VirtIOGPUPCI { + VirtIOPCIProxy parent_obj; + VirtIOGPU vdev; +}; + +/* Virtio ABI version, if we increment this, we break the guest driver. */ +#define VIRTIO_PCI_ABI_VERSION 0 + +#endif |
