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vmm: Port PciSegment to Aml::append_aml_bytes()

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Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-11-04 17:12:59 +00:00
parent 986e43f899
commit e04cbb2ad4
1 changed files with 34 additions and 42 deletions
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76
vmm/src/pci_segment.rs
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@ -177,7 +177,7 @@ struct PciDevSlot {
#[cfg(feature = "acpi")]
impl Aml for PciDevSlot {
fn to_aml_bytes(&self) -> Vec<u8> {
fn append_aml_bytes(&self, bytes: &mut Vec<u8>) {
let sun = self.device_id;
let adr: u32 = (self.device_id as u32) << 16;
aml::Device::new(
@ -196,7 +196,7 @@ impl Aml for PciDevSlot {
),
],
)
.to_aml_bytes()
.append_aml_bytes(bytes)
}
}
@ -207,18 +207,15 @@ struct PciDevSlotNotify {
#[cfg(feature = "acpi")]
impl Aml for PciDevSlotNotify {
fn to_aml_bytes(&self) -> Vec<u8> {
fn append_aml_bytes(&self, bytes: &mut Vec<u8>) {
let device_id_mask: u32 = 1 << self.device_id;
let object = aml::Path::new(&format!("S{:03}", self.device_id));
let mut bytes = aml::And::new(&aml::Local(0), &aml::Arg(0), &device_id_mask).to_aml_bytes();
bytes.extend_from_slice(
&aml::If::new(
&aml::Equal::new(&aml::Local(0), &device_id_mask),
vec![&aml::Notify::new(&object, &aml::Arg(1))],
)
.to_aml_bytes(),
);
bytes
aml::And::new(&aml::Local(0), &aml::Arg(0), &device_id_mask).append_aml_bytes(bytes);
aml::If::new(
&aml::Equal::new(&aml::Local(0), &device_id_mask),
vec![&aml::Notify::new(&object, &aml::Arg(1))],
)
.append_aml_bytes(bytes);
}
}
@ -227,7 +224,7 @@ struct PciDevSlotMethods {}
#[cfg(feature = "acpi")]
impl Aml for PciDevSlotMethods {
fn to_aml_bytes(&self) -> Vec<u8> {
fn append_aml_bytes(&self, bytes: &mut Vec<u8>) {
let mut device_notifies = Vec::new();
for device_id in 0..32 {
device_notifies.push(PciDevSlotNotify { device_id });
@ -238,31 +235,26 @@ impl Aml for PciDevSlotMethods {
device_notifies_refs.push(device_notify);
}
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::Acquire::new("\\_SB_.PHPR.BLCK".into(), 0xffff),
&aml::Store::new(&aml::Path::new("\\_SB_.PHPR.PSEG"), &aml::Path::new("_SEG")),
&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],
),
&aml::Release::new("\\_SB_.PHPR.BLCK".into()),
],
)
.to_aml_bytes(),
);
bytes
aml::Method::new("DVNT".into(), 2, true, device_notifies_refs).append_aml_bytes(bytes);
aml::Method::new(
"PCNT".into(),
0,
true,
vec![
&aml::Acquire::new("\\_SB_.PHPR.BLCK".into(), 0xffff),
&aml::Store::new(&aml::Path::new("\\_SB_.PHPR.PSEG"), &aml::Path::new("_SEG")),
&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],
),
&aml::Release::new("\\_SB_.PHPR.BLCK".into()),
],
)
.append_aml_bytes(bytes)
}
}
@ -271,7 +263,7 @@ struct PciDsmMethod {}
#[cfg(feature = "acpi")]
impl Aml for PciDsmMethod {
fn to_aml_bytes(&self) -> Vec<u8> {
fn append_aml_bytes(&self, bytes: &mut Vec<u8>) {
// Refer to ACPI spec v6.3 Ch 9.1.1 and PCI Firmware spec v3.3 Ch 4.6.1
// _DSM (Device Specific Method), the following is the implementation in ASL.
/*
@ -327,13 +319,13 @@ impl Aml for PciDsmMethod {
&aml::Return::new(&aml::Buffer::new(vec![0])),
],
)
.to_aml_bytes()
.append_aml_bytes(bytes)
}
}
#[cfg(feature = "acpi")]
impl Aml for PciSegment {
fn to_aml_bytes(&self) -> Vec<u8> {
fn append_aml_bytes(&self, bytes: &mut Vec<u8>) {
let mut pci_dsdt_inner_data: Vec<&dyn aml::Aml> = Vec::new();
let hid = aml::Name::new("_HID".into(), &aml::EisaName::new("PNP0A08"));
pci_dsdt_inner_data.push(&hid);
@ -447,6 +439,6 @@ impl Aml for PciSegment {
format!("_SB_.PCI{:X}", self.id).as_str().into(),
pci_dsdt_inner_data,
)
.to_aml_bytes()
.append_aml_bytes(bytes)
}
}