2011-06-01 09:05:13 +02:00
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/*
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* Virtio PCI Bindings
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*
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* Copyright IBM, Corp. 2007
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* Copyright (c) 2009 CodeSourcery
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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* Paul Brook <paul@codesourcery.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_VIRTIO_PCI_H
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#define QEMU_VIRTIO_PCI_H
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2013-01-14 22:52:02 +01:00
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#include "hw/pci/msi.h"
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2013-02-05 17:06:20 +01:00
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#include "hw/virtio/virtio-blk.h"
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#include "hw/virtio/virtio-net.h"
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#include "hw/virtio/virtio-rng.h"
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#include "hw/virtio/virtio-serial.h"
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#include "hw/virtio/virtio-scsi.h"
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#include "hw/virtio/virtio-balloon.h"
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#include "hw/virtio/virtio-bus.h"
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2015-06-04 12:34:41 +02:00
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#include "hw/virtio/virtio-input.h"
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2014-09-10 14:20:34 +02:00
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#include "hw/virtio/virtio-gpu.h"
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2013-04-23 11:08:41 +02:00
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#ifdef CONFIG_VIRTFS
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#include "hw/9pfs/virtio-9p.h"
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#endif
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2013-03-29 02:08:16 +01:00
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#ifdef CONFIG_VHOST_SCSI
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#include "hw/virtio/vhost-scsi.h"
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#endif
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2013-01-15 00:08:03 +01:00
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2013-01-15 00:08:04 +01:00
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typedef struct VirtIOPCIProxy VirtIOPCIProxy;
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2013-03-18 17:37:23 +01:00
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typedef struct VirtIOBlkPCI VirtIOBlkPCI;
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2013-03-21 15:15:15 +01:00
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typedef struct VirtIOSCSIPCI VirtIOSCSIPCI;
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2013-03-27 10:49:11 +01:00
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typedef struct VirtIOBalloonPCI VirtIOBalloonPCI;
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2013-04-09 14:53:31 +02:00
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typedef struct VirtIOSerialPCI VirtIOSerialPCI;
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2013-04-11 16:29:58 +02:00
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typedef struct VirtIONetPCI VirtIONetPCI;
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2013-03-29 02:08:16 +01:00
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typedef struct VHostSCSIPCI VHostSCSIPCI;
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2013-04-24 10:07:56 +02:00
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typedef struct VirtIORngPCI VirtIORngPCI;
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2015-06-04 12:34:41 +02:00
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typedef struct VirtIOInputPCI VirtIOInputPCI;
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2015-06-04 12:34:42 +02:00
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typedef struct VirtIOInputHIDPCI VirtIOInputHIDPCI;
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2014-03-28 09:18:47 +01:00
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typedef struct VirtIOInputHostPCI VirtIOInputHostPCI;
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2014-09-10 14:20:34 +02:00
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typedef struct VirtIOGPUPCI VirtIOGPUPCI;
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2013-01-15 00:08:04 +01:00
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2013-01-15 00:08:03 +01:00
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/* virtio-pci-bus */
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typedef struct VirtioBusState VirtioPCIBusState;
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typedef struct VirtioBusClass VirtioPCIBusClass;
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#define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus"
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#define VIRTIO_PCI_BUS(obj) \
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OBJECT_CHECK(VirtioPCIBusState, (obj), TYPE_VIRTIO_PCI_BUS)
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#define VIRTIO_PCI_BUS_GET_CLASS(obj) \
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OBJECT_GET_CLASS(VirtioPCIBusClass, obj, TYPE_VIRTIO_PCI_BUS)
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#define VIRTIO_PCI_BUS_CLASS(klass) \
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OBJECT_CLASS_CHECK(VirtioPCIBusClass, klass, TYPE_VIRTIO_PCI_BUS)
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2011-06-01 09:05:13 +02:00
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2016-02-10 14:31:13 +01:00
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enum {
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VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT,
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VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT,
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VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT,
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VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT,
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VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT,
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};
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2014-10-14 18:40:06 +02:00
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/* Need to activate work-arounds for buggy guests at vmstate load. */
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#define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION \
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(1 << VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT)
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2011-10-12 15:41:23 +02:00
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/* Performance improves when virtqueue kick processing is decoupled from the
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* vcpu thread using ioeventfd for some devices. */
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#define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT)
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2015-06-04 12:34:26 +02:00
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/* virtio version flags */
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2015-11-10 12:41:29 +01:00
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#define VIRTIO_PCI_FLAG_DISABLE_PCIE (1 << VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT)
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2015-06-04 12:34:26 +02:00
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2015-11-06 09:02:44 +01:00
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/* migrate extra state */
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#define VIRTIO_PCI_FLAG_MIGRATE_EXTRA (1 << VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT)
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2015-11-06 09:02:48 +01:00
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/* have pio notification for modern device ? */
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#define VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY \
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(1 << VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT)
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2012-05-17 15:32:39 +02:00
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typedef struct {
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2012-12-20 23:27:54 +01:00
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MSIMessage msg;
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2012-05-17 15:32:39 +02:00
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int virq;
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unsigned int users;
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} VirtIOIRQFD;
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2013-01-15 00:08:04 +01:00
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/*
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* virtio-pci: This is the PCIDevice which has a virtio-pci-bus.
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*/
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#define TYPE_VIRTIO_PCI "virtio-pci"
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#define VIRTIO_PCI_GET_CLASS(obj) \
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OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI)
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#define VIRTIO_PCI_CLASS(klass) \
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OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI)
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#define VIRTIO_PCI(obj) \
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OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI)
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typedef struct VirtioPCIClass {
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PCIDeviceClass parent_class;
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2015-12-02 18:49:07 +01:00
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DeviceRealize parent_dc_realize;
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2015-02-27 14:52:14 +01:00
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void (*realize)(VirtIOPCIProxy *vpci_dev, Error **errp);
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2013-01-15 00:08:04 +01:00
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} VirtioPCIClass;
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2015-06-04 12:34:33 +02:00
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typedef struct VirtIOPCIRegion {
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MemoryRegion mr;
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2015-06-04 12:34:35 +02:00
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uint32_t offset;
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2015-06-04 12:34:39 +02:00
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uint32_t size;
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2015-06-04 12:34:37 +02:00
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uint32_t type;
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2015-06-04 12:34:33 +02:00
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} VirtIOPCIRegion;
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2015-11-06 09:02:44 +01:00
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typedef struct VirtIOPCIQueue {
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uint16_t num;
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bool enabled;
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uint32_t desc[2];
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uint32_t avail[2];
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uint32_t used[2];
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} VirtIOPCIQueue;
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2013-01-15 00:08:04 +01:00
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struct VirtIOPCIProxy {
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2011-06-01 09:05:13 +02:00
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PCIDevice pci_dev;
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2011-08-08 15:09:13 +02:00
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MemoryRegion bar;
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2015-06-04 12:34:33 +02:00
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VirtIOPCIRegion common;
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VirtIOPCIRegion isr;
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VirtIOPCIRegion device;
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VirtIOPCIRegion notify;
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2015-11-06 09:02:48 +01:00
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VirtIOPCIRegion notify_pio;
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2015-06-04 12:34:22 +02:00
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MemoryRegion modern_bar;
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2015-11-06 09:02:48 +01:00
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MemoryRegion io_bar;
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2015-07-02 14:59:49 +02:00
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MemoryRegion modern_cfg;
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AddressSpace modern_as;
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2015-06-04 12:34:39 +02:00
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uint32_t legacy_io_bar;
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uint32_t msix_bar;
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2015-11-06 09:02:48 +01:00
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uint32_t modern_io_bar;
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2015-06-04 12:34:39 +02:00
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uint32_t modern_mem_bar;
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2015-07-02 14:59:49 +02:00
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int config_cap;
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2011-06-01 09:05:13 +02:00
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uint32_t flags;
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2016-07-20 17:28:21 +02:00
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bool disable_modern;
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OnOffAuto disable_legacy;
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2011-06-01 09:05:13 +02:00
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uint32_t class_code;
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uint32_t nvectors;
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2015-06-04 12:34:22 +02:00
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uint32_t dfselect;
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uint32_t gfselect;
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uint32_t guest_features[2];
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2015-11-06 09:02:44 +01:00
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VirtIOPCIQueue vqs[VIRTIO_QUEUE_MAX];
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2015-06-04 12:34:22 +02:00
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2011-06-01 09:05:13 +02:00
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bool ioeventfd_disabled;
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bool ioeventfd_started;
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2012-05-17 15:32:39 +02:00
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VirtIOIRQFD *vector_irqfd;
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2012-12-20 13:28:58 +01:00
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int nvqs_with_notifiers;
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2013-01-15 00:08:04 +01:00
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VirtioBusState bus;
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};
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2011-06-01 09:05:13 +02:00
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2016-07-20 17:28:21 +02:00
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static inline bool virtio_pci_modern(VirtIOPCIProxy *proxy)
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{
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return !proxy->disable_modern;
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}
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static inline bool virtio_pci_legacy(VirtIOPCIProxy *proxy)
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{
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return proxy->disable_legacy == ON_OFF_AUTO_OFF;
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}
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static inline void virtio_pci_force_virtio_1(VirtIOPCIProxy *proxy)
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{
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proxy->disable_modern = false;
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proxy->disable_legacy = ON_OFF_AUTO_ON;
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}
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2013-03-21 15:15:15 +01:00
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/*
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* virtio-scsi-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci"
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#define VIRTIO_SCSI_PCI(obj) \
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OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI)
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struct VirtIOSCSIPCI {
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VirtIOPCIProxy parent_obj;
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VirtIOSCSI vdev;
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};
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2013-03-29 02:08:16 +01:00
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#ifdef CONFIG_VHOST_SCSI
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/*
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* vhost-scsi-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci"
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#define VHOST_SCSI_PCI(obj) \
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OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI)
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struct VHostSCSIPCI {
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VirtIOPCIProxy parent_obj;
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VHostSCSI vdev;
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};
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#endif
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2013-03-18 17:37:23 +01:00
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/*
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* virtio-blk-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci"
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#define VIRTIO_BLK_PCI(obj) \
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OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI)
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struct VirtIOBlkPCI {
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VirtIOPCIProxy parent_obj;
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VirtIOBlock vdev;
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};
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2013-03-27 10:49:11 +01:00
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/*
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* virtio-balloon-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci"
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#define VIRTIO_BALLOON_PCI(obj) \
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OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI)
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struct VirtIOBalloonPCI {
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VirtIOPCIProxy parent_obj;
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VirtIOBalloon vdev;
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};
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2013-04-09 14:53:31 +02:00
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/*
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* virtio-serial-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci"
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#define VIRTIO_SERIAL_PCI(obj) \
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OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI)
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struct VirtIOSerialPCI {
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VirtIOPCIProxy parent_obj;
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VirtIOSerial vdev;
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};
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2013-04-11 16:29:58 +02:00
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/*
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* virtio-net-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_NET_PCI "virtio-net-pci"
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#define VIRTIO_NET_PCI(obj) \
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OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI)
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struct VirtIONetPCI {
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VirtIOPCIProxy parent_obj;
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VirtIONet vdev;
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};
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2013-04-23 11:08:41 +02:00
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/*
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* virtio-9p-pci: This extends VirtioPCIProxy.
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*/
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#ifdef CONFIG_VIRTFS
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#define TYPE_VIRTIO_9P_PCI "virtio-9p-pci"
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#define VIRTIO_9P_PCI(obj) \
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OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI)
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typedef struct V9fsPCIState {
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VirtIOPCIProxy parent_obj;
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2016-01-11 10:29:37 +01:00
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V9fsVirtioState vdev;
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2013-04-23 11:08:41 +02:00
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} V9fsPCIState;
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#endif
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2013-04-24 10:07:56 +02:00
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/*
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* virtio-rng-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci"
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#define VIRTIO_RNG_PCI(obj) \
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OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI)
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struct VirtIORngPCI {
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VirtIOPCIProxy parent_obj;
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VirtIORNG vdev;
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};
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2015-06-04 12:34:41 +02:00
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/*
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* virtio-input-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_INPUT_PCI "virtio-input-pci"
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#define VIRTIO_INPUT_PCI(obj) \
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OBJECT_CHECK(VirtIOInputPCI, (obj), TYPE_VIRTIO_INPUT_PCI)
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struct VirtIOInputPCI {
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VirtIOPCIProxy parent_obj;
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VirtIOInput vdev;
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};
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2015-06-04 12:34:42 +02:00
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#define TYPE_VIRTIO_INPUT_HID_PCI "virtio-input-hid-pci"
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#define TYPE_VIRTIO_KEYBOARD_PCI "virtio-keyboard-pci"
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#define TYPE_VIRTIO_MOUSE_PCI "virtio-mouse-pci"
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#define TYPE_VIRTIO_TABLET_PCI "virtio-tablet-pci"
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#define VIRTIO_INPUT_HID_PCI(obj) \
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OBJECT_CHECK(VirtIOInputHIDPCI, (obj), TYPE_VIRTIO_INPUT_HID_PCI)
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struct VirtIOInputHIDPCI {
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VirtIOPCIProxy parent_obj;
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VirtIOInputHID vdev;
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};
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virtio-input: Fix device introspection on non-Linux hosts
When CONFIG_LINUX is off, devices "virtio-keyboard-device",
"virtio-mouse-device", "virtio-tablet-device" and
"virtio-input-host-device" aren't compiled in, yet
"virtio-keyboard-pci", "virtio-mouse-pci", "virtio-tablet-pci" and
"virtio-input-host-pci" still are. Attempts to introspect them crash,
e.g.
$ qemu-system-x86_64 -device virtio-tablet-pci,help
**
ERROR:/work/armbru/qemu/qom/object.c:333:object_initialize_with_type: assertion failed: (type != NULL)
Broken in commit 710e2d9 and commit 006a5ed.
Fix by compiling the "virtio-FOO-pci" exactly when compiling the
"virtio-FOO-device": compile "virtio-keyboard-device",
"virtio-mouse-device", "virtio-tablet-device" regardless of
CONFIG_LINUX, and compile "virtio-input-host-pci" only for
CONFIG_LINUX.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <1444320700-26260-3-git-send-email-armbru@redhat.com>
2015-10-08 18:11:40 +02:00
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#ifdef CONFIG_LINUX
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2014-03-28 09:18:47 +01:00
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#define TYPE_VIRTIO_INPUT_HOST_PCI "virtio-input-host-pci"
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#define VIRTIO_INPUT_HOST_PCI(obj) \
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OBJECT_CHECK(VirtIOInputHostPCI, (obj), TYPE_VIRTIO_INPUT_HOST_PCI)
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struct VirtIOInputHostPCI {
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VirtIOPCIProxy parent_obj;
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VirtIOInputHost vdev;
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};
|
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virtio-input: Fix device introspection on non-Linux hosts
When CONFIG_LINUX is off, devices "virtio-keyboard-device",
"virtio-mouse-device", "virtio-tablet-device" and
"virtio-input-host-device" aren't compiled in, yet
"virtio-keyboard-pci", "virtio-mouse-pci", "virtio-tablet-pci" and
"virtio-input-host-pci" still are. Attempts to introspect them crash,
e.g.
$ qemu-system-x86_64 -device virtio-tablet-pci,help
**
ERROR:/work/armbru/qemu/qom/object.c:333:object_initialize_with_type: assertion failed: (type != NULL)
Broken in commit 710e2d9 and commit 006a5ed.
Fix by compiling the "virtio-FOO-pci" exactly when compiling the
"virtio-FOO-device": compile "virtio-keyboard-device",
"virtio-mouse-device", "virtio-tablet-device" regardless of
CONFIG_LINUX, and compile "virtio-input-host-pci" only for
CONFIG_LINUX.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <1444320700-26260-3-git-send-email-armbru@redhat.com>
2015-10-08 18:11:40 +02:00
|
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#endif
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2014-09-10 14:20:34 +02:00
|
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/*
|
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* virtio-gpu-pci: This extends VirtioPCIProxy.
|
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*/
|
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#define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci"
|
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|
#define VIRTIO_GPU_PCI(obj) \
|
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|
|
OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI)
|
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|
|
|
|
|
|
struct VirtIOGPUPCI {
|
|
|
|
VirtIOPCIProxy parent_obj;
|
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|
|
VirtIOGPU vdev;
|
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|
|
};
|
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|
2011-06-14 16:51:11 +02:00
|
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|
/* Virtio ABI version, if we increment this, we break the guest driver. */
|
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#define VIRTIO_PCI_ABI_VERSION 0
|
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|
|
2011-06-01 09:05:13 +02:00
|
|
|
#endif
|