mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-05 20:35:44 +00:00
fc1769b758
Minimizes the possibility to assign the same bit to different features. Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
317 lines
8.3 KiB
C
317 lines
8.3 KiB
C
/*
|
|
* 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-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;
|
|
V9fsVirtioState 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
|