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vmm: acpi: Upon GED interrupt notify on all vCPUs

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Call the "CTFY" method that will itself call Notify() on the CPU objects
in the ACPI namespace.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2019-11-27 17:28:40 +00:00
parent 48bf141364
commit 66a31c19e8
1 changed files with 35 additions and 0 deletions
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35
vmm/src/acpi.rs
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@ -286,6 +286,39 @@ fn create_cpu_data(max_vcpus: u8) -> Vec<u8> {
bytes
}
fn create_ged_device() -> Vec<u8> {
aml::Device::new(
"_SB_.GED_".into(),
vec![
&aml::Name::new("_HID".into(), &"ACPI0013"),
&aml::Name::new("_UID".into(), &aml::ZERO),
&aml::Name::new(
"_CRS".into(),
&aml::ResourceTemplate::new(vec![&aml::Interrupt::new(
true, false, false, false, 5,
)]),
),
&aml::OpRegion::new("GDST".into(), aml::OpRegionSpace::SystemIO, 0xb000, 0x1),
&aml::Field::new(
"GDST".into(),
aml::FieldAccessType::Byte,
aml::FieldUpdateRule::WriteAsZeroes,
vec![aml::FieldEntry::Named(*b"GDAT", 8)],
),
&aml::Method::new(
"_EVT".into(),
1,
true,
vec![&aml::If::new(
&aml::Equal::new(&aml::Path::new("GDAT"), &aml::ONE),
vec![&aml::MethodCall::new("\\_SB_.CPUS.CTFY".into(), vec![])],
)],
),
],
)
.to_aml_bytes()
}
pub fn create_dsdt_table(
serial_enabled: bool,
start_of_device_area: GuestAddress,
@ -364,6 +397,7 @@ pub fn create_dsdt_table(
aml::Name::new("_S5_".into(), &aml::Package::new(vec![&5u8])).to_aml_bytes();
let cpu_data = create_cpu_data(max_vcpus);
let ged_data = create_ged_device();
// DSDT
let mut dsdt = SDT::new(*b"DSDT", 36, 6, *b"CLOUDH", *b"CHDSDT ", 1);
@ -374,6 +408,7 @@ pub fn create_dsdt_table(
}
dsdt.append_slice(s5_sleep_data.as_slice());
dsdt.append_slice(cpu_data.as_slice());
dsdt.append_slice(ged_data.as_slice());
dsdt
}