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d9997d89a4
Currently each VQ Notification Virtio Capability is allocated on a different page. The idea is to enable split drivers within guests, however there are no known plans to do that. The allocation will result in a 8MB BAR, more than various guest firmwares pre-allocates for PCI Bridges hotplug process. Reserve 4 bytes per VQ by default and add a new parameter "page-per-vq" to be used with split drivers. 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>
139 lines
3.3 KiB
C
139 lines
3.3 KiB
C
#ifndef HW_COMPAT_H
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#define HW_COMPAT_H
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#define HW_COMPAT_2_7 \
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{\
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.driver = "virtio-pci",\
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.property = "page-per-vq",\
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.value = "on",\
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},
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#define HW_COMPAT_2_6 \
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{\
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.driver = "virtio-mmio",\
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.property = "format_transport_address",\
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.value = "off",\
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},{\
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.driver = "virtio-pci",\
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.property = "disable-modern",\
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.value = "on",\
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},{\
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.driver = "virtio-pci",\
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.property = "disable-legacy",\
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.value = "off",\
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},
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#define HW_COMPAT_2_5 \
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{\
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.driver = "isa-fdc",\
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.property = "fallback",\
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.value = "144",\
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},{\
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.driver = "pvscsi",\
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.property = "x-old-pci-configuration",\
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.value = "on",\
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},{\
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.driver = "pvscsi",\
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.property = "x-disable-pcie",\
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.value = "on",\
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},\
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{\
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.driver = "vmxnet3",\
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.property = "x-old-msi-offsets",\
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.value = "on",\
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},{\
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.driver = "vmxnet3",\
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.property = "x-disable-pcie",\
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.value = "on",\
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},
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#define HW_COMPAT_2_4 \
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{\
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.driver = "virtio-blk-device",\
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.property = "scsi",\
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.value = "true",\
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},{\
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.driver = "e1000",\
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.property = "extra_mac_registers",\
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.value = "off",\
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},{\
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.driver = "virtio-pci",\
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.property = "x-disable-pcie",\
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.value = "on",\
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},{\
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.driver = "virtio-pci",\
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.property = "migrate-extra",\
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.value = "off",\
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},{\
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.driver = "fw_cfg_mem",\
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.property = "dma_enabled",\
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.value = "off",\
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},{\
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.driver = "fw_cfg_io",\
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.property = "dma_enabled",\
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.value = "off",\
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},
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#define HW_COMPAT_2_3 \
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{\
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.driver = "virtio-blk-pci",\
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.property = "any_layout",\
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.value = "off",\
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},{\
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.driver = "virtio-balloon-pci",\
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.property = "any_layout",\
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.value = "off",\
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},{\
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.driver = "virtio-serial-pci",\
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.property = "any_layout",\
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.value = "off",\
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},{\
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.driver = "virtio-9p-pci",\
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.property = "any_layout",\
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.value = "off",\
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},{\
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.driver = "virtio-rng-pci",\
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.property = "any_layout",\
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.value = "off",\
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},{\
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.driver = TYPE_PCI_DEVICE,\
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.property = "x-pcie-lnksta-dllla",\
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.value = "off",\
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},
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#define HW_COMPAT_2_2 \
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/* empty */
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#define HW_COMPAT_2_1 \
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{\
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.driver = "intel-hda",\
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.property = "old_msi_addr",\
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.value = "on",\
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},{\
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.driver = "VGA",\
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.property = "qemu-extended-regs",\
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.value = "off",\
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},{\
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.driver = "secondary-vga",\
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.property = "qemu-extended-regs",\
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.value = "off",\
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},{\
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.driver = "virtio-scsi-pci",\
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.property = "any_layout",\
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.value = "off",\
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},{\
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.driver = "usb-mouse",\
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.property = "usb_version",\
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.value = stringify(1),\
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},{\
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.driver = "usb-kbd",\
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.property = "usb_version",\
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.value = stringify(1),\
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},{\
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.driver = "virtio-pci",\
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.property = "virtio-pci-bus-master-bug-migration",\
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.value = "on",\
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},
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#endif /* HW_COMPAT_H */
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