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devices: gic: use VgicConfig everywhere

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Use VgicConfig to initialize Vgic.
Use Gic::create_default_config everywhere so we don't always recompute
redist/msi registers.
Add a helper create_test_vgic_config for tests in hypervisor crate.

Signed-off-by: Nuno Das Neves <nudasnev@microsoft.com>
This commit is contained in:
Nuno Das Neves
2022-08-30 00:49:57 +00:00
committed by Rob Bradford
parent a832033531
commit 784a3aaf3c
7 changed files with 60 additions and 140 deletions
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10
vmm/src/device_manager.rs
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@@ -1205,11 +1205,11 @@ impl DeviceManager {
#[cfg(target_arch = "aarch64")]
{
let vcpus = self.config.lock().unwrap().cpus.boot_vcpus;
let msi_start = arch::layout::GIC_V3_DIST_START.raw_value()
- arch::layout::GIC_V3_REDIST_SIZE * (vcpus as u64)
- arch::layout::GIC_V3_ITS_SIZE;
let msi_end = msi_start + arch::layout::GIC_V3_ITS_SIZE - 1;
(msi_start, msi_end)
let vgic_config = gic::Gic::create_default_config(vcpus.into());
(
vgic_config.msi_addr,
vgic_config.msi_addr + vgic_config.msi_size - 1,
)
}
#[cfg(target_arch = "x86_64")]
(0xfee0_0000, 0xfeef_ffff)