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arch: Remove GICv2

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Virtio-mmio is removed, now virtio-pci is the only option for virtio
transport layer. We use MSI for PCI device interrupt. While GICv2, the
legacy interrupt controller, doesn't support MSI. So GICv2 is not very
practical for Cloud-hypervisor, we can remove it.

Signed-off-by: Michael Zhao <michael.zhao@arm.com>
This commit is contained in:
Michael Zhao
2020-10-17 15:16:38 +08:00
committed by Rob Bradford
parent 58474854f2
commit 2f2e10ea35
5 changed files with 12 additions and 173 deletions
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10
vmm/src/interrupt.rs
View File

@@ -408,7 +408,7 @@ mod tests {
let hv = hypervisor::new().unwrap();
let vm = hv.create_vm().unwrap();
assert!(create_gic(&vm, 1, false).is_ok());
assert!(create_gic(&vm, 1).is_ok());
}
#[test]
@@ -416,7 +416,7 @@ mod tests {
let hv = hypervisor::new().unwrap();
let vm = hv.create_vm().unwrap();
let _ = vm.create_vcpu(0).unwrap();
let gic = create_gic(&vm, 1, false).expect("Cannot create gic");
let gic = create_gic(&vm, 1).expect("Cannot create gic");
let res = get_dist_regs(gic.device());
assert!(res.is_ok());
@@ -432,7 +432,7 @@ mod tests {
let hv = hypervisor::new().unwrap();
let vm = hv.create_vm().unwrap();
let _ = vm.create_vcpu(0).unwrap();
let gic = create_gic(&vm, 1, false).expect("Cannot create gic");
let gic = create_gic(&vm, 1).expect("Cannot create gic");
let mut gicr_typer = Vec::new();
gicr_typer.push(123);
@@ -450,7 +450,7 @@ mod tests {
let hv = hypervisor::new().unwrap();
let vm = hv.create_vm().unwrap();
let _ = vm.create_vcpu(0).unwrap();
let gic = create_gic(&vm, 1, false).expect("Cannot create gic");
let gic = create_gic(&vm, 1).expect("Cannot create gic");
let mut gicr_typer = Vec::new();
gicr_typer.push(123);
@@ -468,7 +468,7 @@ mod tests {
let hv = hypervisor::new().unwrap();
let vm = hv.create_vm().unwrap();
let _ = vm.create_vcpu(0).unwrap();
let gic = create_gic(&vm, 1, false).expect("Cannot create gic");
let gic = create_gic(&vm, 1).expect("Cannot create gic");
assert!(save_pending_tables(gic.device()).is_ok());
}

4
vmm/src/vm.rs
View File

@@ -1560,7 +1560,7 @@ impl Vm {
// Creating a GIC device here, as the GIC will not be created when
// restoring the device manager. Note that currently only the bare GICv3
// without ITS is supported.
let gic_device = create_gic(&self.vm, vcpu_numbers.try_into().unwrap(), false)
let gic_device = create_gic(&self.vm, vcpu_numbers.try_into().unwrap())
.map_err(|e| MigratableError::Restore(anyhow!("Could not create GIC: {:#?}", e)))?;
// Update the GIC entity in device manager
@@ -2027,7 +2027,7 @@ mod tests {
let hv = hypervisor::new().unwrap();
let vm = hv.create_vm().unwrap();
let gic = create_gic(&vm, 1, false).unwrap();
let gic = create_gic(&vm, 1).unwrap();
assert!(create_fdt(
&mem,
&CString::new("console=tty0").unwrap(),