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vmm: acpi: Add PCNT method to invoke DVNT

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Create a small method that will perform both hotplug of all the devices
identified by PCIU bitmap, and then perform the hotunplug of all the
devices identified by the PCID bitmap.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2020-02-26 17:32:55 +01:00 committed by Rob Bradford
parent c62db97a81
commit 8dbc84318c
1 changed files with 22 additions and 1 deletions
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23
vmm/src/device_manager.rs
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@ -1635,7 +1635,28 @@ impl Aml for PciDevSlotMethods {
device_notifies_refs.push(device_notify);
}
aml::Method::new("DVNT".into(), 2, true, device_notifies_refs).to_aml_bytes()
let mut bytes =
aml::Method::new("DVNT".into(), 2, true, device_notifies_refs).to_aml_bytes();
bytes.extend_from_slice(
&aml::Method::new(
"PCNT".into(),
0,
true,
vec![
&aml::MethodCall::new(
"DVNT".into(),
vec![&aml::Path::new("\\_SB_.PHPR.PCIU"), &aml::ONE],
),
&aml::MethodCall::new(
"DVNT".into(),
vec![&aml::Path::new("\\_SB_.PHPR.PCID"), &3usize],
),
],
)
.to_aml_bytes(),
);
bytes
}
}