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vmm: acpi: Add AArch64 vCPUs to SRAT table

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This commit introduces the `ProcessorGiccAffinity` struct for the
AArch64 platform. This struct will be created and included into
the SRAT table to enable AArch64 NUMA setup.

Signed-off-by: Henry Wang <Henry.Wang@arm.com>
This commit is contained in:
Henry Wang 2021-06-25 10:53:55 +08:00 committed by Rob Bradford
parent 5e42e0f1f7
commit 054c036e81
1 changed files with 22 additions and 0 deletions
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22
vmm/src/acpi.rs
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@ -76,6 +76,18 @@ struct ProcessorLocalX2ApicAffinity {
_reserved2: u32,
}
#[allow(dead_code)]
#[repr(packed)]
#[derive(Default)]
struct ProcessorGiccAffinity {
pub type_: u8,
pub length: u8,
pub proximity_domain: u32,
pub acpi_processor_uid: u32,
pub flags: u32,
pub clock_domain: u32,
}
bitflags! {
pub struct MemAffinityFlags: u32 {
const NOFLAGS = 0;
@ -250,6 +262,7 @@ fn create_srat_table(numa_nodes: &NumaNodes) -> Sdt {
// - Reserved bits 1-31
let flags = 1;
#[cfg(target_arch = "x86_64")]
srat.append(ProcessorLocalX2ApicAffinity {
type_: 2,
length: 24,
@ -259,6 +272,15 @@ fn create_srat_table(numa_nodes: &NumaNodes) -> Sdt {
clock_domain: 0,
..Default::default()
});
#[cfg(target_arch = "aarch64")]
srat.append(ProcessorGiccAffinity {
type_: 3,
length: 18,
proximity_domain,
acpi_processor_uid: x2apic_id,
flags,
clock_domain: 0,
});
}
}
srat