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vmm: device_manager: Store ACPI platform addresses for later use

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These are ready for inclusion in the FACP table.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2022-07-25 13:36:31 +01:00
parent 686e6d5082
commit 2e8eb96ef6
1 changed files with 26 additions and 0 deletions
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26
vmm/src/device_manager.rs
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@ -26,6 +26,7 @@ use crate::GuestMemoryMmap;
use crate::GuestRegionMmap;
use crate::PciDeviceInfo;
use crate::{device_node, DEVICE_MANAGER_SNAPSHOT_ID};
use acpi_tables::sdt::GenericAddress;
use acpi_tables::{aml, aml::Aml};
use anyhow::anyhow;
use arch::layout;
@ -806,6 +807,14 @@ struct MetaVirtioDevice {
dma_handler: Option<Arc<dyn ExternalDmaMapping>>,
}
#[derive(Default)]
pub struct AcpiPlatformAddresses {
pub pm_timer_address: Option<GenericAddress>,
pub reset_reg_address: Option<GenericAddress>,
pub sleep_control_reg_address: Option<GenericAddress>,
pub sleep_status_reg_address: Option<GenericAddress>,
}
pub struct DeviceManager {
// The underlying hypervisor
hypervisor_type: HypervisorType,
@ -943,6 +952,9 @@ pub struct DeviceManager {
// Pending activations
pending_activations: Arc<Mutex<Vec<VirtioPciDeviceActivator>>>,
// Addresses for ACPI platform devices e.g. ACPI PM timer, sleep/reset registers
acpi_platform_addresses: AcpiPlatformAddresses,
}
impl DeviceManager {
@ -1087,6 +1099,7 @@ impl DeviceManager {
boot_id_list,
timestamp,
pending_activations: Arc::new(Mutex::new(Vec::default())),
acpi_platform_addresses: AcpiPlatformAddresses::default(),
};
let device_manager = Arc::new(Mutex::new(device_manager));
@ -1409,6 +1422,12 @@ impl DeviceManager {
.io_bus
.insert(shutdown_device, 0x3c0, 0x4)
.map_err(DeviceManagerError::BusError)?;
self.acpi_platform_addresses.sleep_control_reg_address =
Some(GenericAddress::io_port_address::<u8>(0x3c0));
self.acpi_platform_addresses.sleep_status_reg_address =
Some(GenericAddress::io_port_address::<u8>(0x3c0));
self.acpi_platform_addresses.reset_reg_address =
Some(GenericAddress::io_port_address::<u8>(0x3c0));
}
let ged_irq = self
@ -1468,6 +1487,9 @@ impl DeviceManager {
.io_bus
.insert(pm_timer_device, 0xb008, 0x4)
.map_err(DeviceManagerError::BusError)?;
self.acpi_platform_addresses.pm_timer_address =
Some(GenericAddress::io_port_address::<u32>(0xb008));
}
Ok(Some(ged_device))
@ -4122,6 +4144,10 @@ impl DeviceManager {
Ok(())
}
pub(crate) fn acpi_platform_addresses(&self) -> &AcpiPlatformAddresses {
&self.acpi_platform_addresses
}
}
fn numa_node_id_from_memory_zone_id(numa_nodes: &NumaNodes, memory_zone_id: &str) -> Option<u32> {