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vm-virtio: Fix virtio-pci BAR type

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The 32 or 64 bits type for the memory BAR was not set correctly. This
patch ensure the right type is applied to the BAR.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2019-09-20 14:48:34 -07:00 committed by Rob Bradford
parent 29b3848ffb
commit 2cd406ba50
1 changed files with 9 additions and 14 deletions
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23
vm-virtio/src/transport/pci_device.rs
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@ -542,32 +542,27 @@ impl PciDevice for VirtioPciDevice {
// Allocate the virtio-pci capability BAR.
// See http://docs.oasis-open.org/virtio/virtio/v1.0/cs04/virtio-v1.0-cs04.html#x1-740004
let virtio_pci_bar_addr = if self.use_64bit_bar {
let (virtio_pci_bar_addr, region_type) = if self.use_64bit_bar {
let region_type = PciBarRegionType::Memory64BitRegion;
let addr = allocator
.allocate_mmio_addresses(None, CAPABILITY_BAR_SIZE, None)
.ok_or(PciDeviceError::IoAllocationFailed(CAPABILITY_BAR_SIZE))?;
ranges.push((
addr,
CAPABILITY_BAR_SIZE,
PciBarRegionType::Memory64BitRegion,
));
addr
ranges.push((addr, CAPABILITY_BAR_SIZE, region_type));
(addr, region_type)
} else {
let region_type = PciBarRegionType::Memory32BitRegion;
let addr = allocator
.allocate_mmio_hole_addresses(None, CAPABILITY_BAR_SIZE, None)
.ok_or(PciDeviceError::IoAllocationFailed(CAPABILITY_BAR_SIZE))?;
ranges.push((
addr,
CAPABILITY_BAR_SIZE,
PciBarRegionType::Memory32BitRegion,
));
addr
ranges.push((addr, CAPABILITY_BAR_SIZE, region_type));
(addr, region_type)
};
let config = PciBarConfiguration::default()
.set_register_index(0)
.set_address(virtio_pci_bar_addr.raw_value())
.set_size(CAPABILITY_BAR_SIZE);
.set_size(CAPABILITY_BAR_SIZE)
.set_region_type(region_type);
let virtio_pci_bar =
self.configuration.add_pci_bar(&config).map_err(|e| {
PciDeviceError::IoRegistrationFailed(virtio_pci_bar_addr.raw_value(), e)