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vmm, vm-allocator: Introduce an allocator for platform devices

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This allocator allocates 64-bit MMIO addresses for use with platform
devices e.g. ACPI control devices and ensures there is no overlap with
PCI address space ranges which can cause issues with PCI device
remapping.

Use this allocator the ACPI platform devices.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2021-10-29 10:58:41 +01:00
parent 9d1a7e43a7
commit def98faf37
4 changed files with 32 additions and 20 deletions
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vmm/src/cpu.rs
+1 -1
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@@ -575,7 +575,7 @@ impl CpuManager {
.allocator()
.lock()
.unwrap()
.allocate_mmio_addresses(None, CPU_MANAGER_ACPI_SIZE as u64, None)
.allocate_platform_mmio_addresses(None, CPU_MANAGER_ACPI_SIZE as u64, None)
.ok_or(Error::AllocateMmmioAddress)?;
#[cfg(feature = "acpi")]