External/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2024-07-04 17:02:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Revert "devices, vmm: Move GED device to MMIO region"

Browse Source 
This reverts commit 5e3c62dc6a.
This commit is contained in:
Rob Bradford 2020-01-24 10:36:39 +00:00 committed by Sebastien Boeuf
parent 6120d0fb1b
commit 57ed006992
2 changed files with 21 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
devices/src/acpi.rs
View File

@ -5,7 +5,6 @@
use std::sync::Arc;
use vm_device::interrupt::InterruptSourceGroup;
use vm_memory::GuestAddress;
use vmm_sys_util::eventfd::EventFd;
use BusDevice;
use HotPlugNotificationFlags;
@ -61,22 +60,14 @@ pub struct AcpiGEDDevice {
interrupt: Arc<Box<dyn InterruptSourceGroup>>,
notification_type: HotPlugNotificationFlags,
ged_irq: u32,
device_base: GuestAddress,
}
impl AcpiGEDDevice {
pub const DEVICE_SIZE: u64 = 1;
pub fn new(
interrupt: Arc<Box<dyn InterruptSourceGroup>>,
ged_irq: u32,
device_base: GuestAddress,
) -> AcpiGEDDevice {
pub fn new(interrupt: Arc<Box<dyn InterruptSourceGroup>>, ged_irq: u32) -> AcpiGEDDevice {
AcpiGEDDevice {
interrupt,
notification_type: HotPlugNotificationFlags::NO_DEVICES_CHANGED,
ged_irq,
device_base,
}
}
@ -91,13 +82,9 @@ impl AcpiGEDDevice {
pub fn irq(&self) -> u32 {
self.ged_irq
}
pub fn device_base(&self) -> GuestAddress {
self.device_base
}
}
// MMIO region reports what type of notification was made
// I/O port reports what type of notification was made
impl BusDevice for AcpiGEDDevice {
// Spec has all fields as zero
fn read(&mut self, _base: u64, _offset: u64, data: &mut [u8]) {

59
vmm/src/device_manager.rs
View File

@ -192,9 +192,6 @@ pub enum DeviceManagerError {
/// Failed creating IOAPIC.
CreateIoapic(ioapic::Error),
/// Failed to allocate MMIO area
AllocateMMIO,
}
pub type DeviceManagerResult<T> = result::Result<T, DeviceManagerError>;
@ -752,28 +749,22 @@ impl DeviceManager {
.create_group(PIN_IRQ, ged_irq as InterruptIndex, 1 as InterruptIndex)
.map_err(DeviceManagerError::CreateInterruptGroup)?;
let ged_base = address_manager
.allocator
.lock()
.unwrap()
.allocate_mmio_addresses(None, devices::AcpiGEDDevice::DEVICE_SIZE, None)
.ok_or(DeviceManagerError::AllocateMMIO)?;
let ged_device = Arc::new(Mutex::new(devices::AcpiGEDDevice::new(
interrupt_group,
ged_irq,
ged_base,
)));
address_manager
.mmio_bus
.insert(
ged_device.clone(),
ged_base.0,
devices::AcpiGEDDevice::DEVICE_SIZE,
)
.map_err(DeviceManagerError::BusError)?;
.allocator
.lock()
.unwrap()
.allocate_io_addresses(Some(GuestAddress(0xb000)), 0x1, None)
.ok_or(DeviceManagerError::AllocateIOPort)?;
address_manager
.io_bus
.insert(ged_device.clone(), 0xb000, 0x1)
.map_err(DeviceManagerError::BusError)?;
Ok(Some(ged_device))
}
@ -1660,7 +1651,7 @@ impl Drop for DeviceManager {
}
#[cfg(feature = "acpi")]
fn create_ged_device(ged_base: u64, ged_irq: u32) -> Vec<u8> {
fn create_ged_device(ged_irq: u32) -> Vec<u8> {
aml::Device::new(
"_SB_.GED_".into(),
vec![
@ -1672,12 +1663,7 @@ fn create_ged_device(ged_base: u64, ged_irq: u32) -> Vec<u8> {
true, true, false, false, ged_irq,
)]),
),
&aml::OpRegion::new(
"GDST".into(),
aml::OpRegionSpace::SystemMemory,
ged_base as usize,
devices::AcpiGEDDevice::DEVICE_SIZE as usize,
),
&aml::OpRegion::new("GDST".into(), aml::OpRegionSpace::SystemIO, 0xb000, 0x1),
&aml::Field::new(
"GDST".into(),
aml::FieldAccessType::Byte,
@ -1784,21 +1770,14 @@ impl Aml for DeviceManager {
let s5_sleep_data =
aml::Name::new("_S5_".into(), &aml::Package::new(vec![&5u8])).to_aml_bytes();
let ged_irq = self
.ged_notification_device
.as_ref()
.unwrap()
.lock()
.unwrap()
.irq();
let ged_base = self
.ged_notification_device
.as_ref()
.unwrap()
.lock()
.unwrap()
.device_base();
let ged_data = create_ged_device(ged_base.0, ged_irq);
let ged_data = create_ged_device(
self.ged_notification_device
.as_ref()
.unwrap()
.lock()
.unwrap()
.irq(),
);
bytes.extend_from_slice(pci_dsdt_data.as_slice());
bytes.extend_from_slice(mbrd_dsdt_data.as_slice());