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vmm: Add some missing fields in IORT table

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Added fields:
- `Memory address size limit`: the missing of this field triggered
  warnings in guest kernel
- `Node ID`

Signed-off-by: Michael Zhao <michael.zhao@arm.com>
This commit is contained in:
Michael Zhao 2021-11-19 10:43:31 +08:00 committed by Xin Wang
parent b0d245be70
commit 8c88b10384
1 changed files with 4 additions and 0 deletions
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4
vmm/src/acpi.rs
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@ -439,6 +439,8 @@ fn create_iort_table(pci_segments: &[PciSegment]) -> Sdt {
);
// Revision
iort.write(node_offset + 3, (3u8).to_le());
// Node ID
iort.write(node_offset + 4, (segment.id as u32).to_le());
// Mapping counts
iort.write(node_offset + 8, (1u32).to_le());
// Offset from the start of the RC node to the start of its Array of ID mappings
@ -449,6 +451,8 @@ fn create_iort_table(pci_segments: &[PciSegment]) -> Sdt {
iort.write(node_offset + 24, 3u8);
// PCI segment number
iort.write(node_offset + 28, (segment.id as u32).to_le());
// Memory address size limit
iort.write(node_offset + 32, (64u8).to_le());
// From offset 32 onward is the space for ID mappings Array.
// Now we have only one mapping.