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vmm: tdx: Correctly populate the 64-bit MMIO region

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The MMIO structure contains the length rather than the maximum address
so it is necessary to subtract the starting address from the end address
to calculate the length.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-03-10 13:58:27 +00:00
parent 4e307788b7
commit 66ffaceffc
1 changed files with 6 additions and 2 deletions
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8
vmm/src/vm.rs
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@ -1652,8 +1652,12 @@ impl Vm {
.unwrap()
.end_of_device_area()
.raw_value();
hob.add_mmio_resource(&mem, start_of_device_area, end_of_device_area)
.map_err(Error::PopulateHob)?;
hob.add_mmio_resource(
&mem,
start_of_device_area,
end_of_device_area - start_of_device_area,
)
.map_err(Error::PopulateHob)?;
hob.finish(&mem).map_err(Error::PopulateHob)?;