The vcpu stall detector allows the host to monitor the availability of a
guest VM. Introduce a PPI interrupt which can be injected from the host
into the virtual gic to let the guest reboot itself.
Signed-off-by: Sebastian Ene <[email protected]>
---
.../devicetree/bindings/misc/qemu,vcpu-stall-detector.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/misc/qemu,vcpu-stall-detector.yaml b/Documentation/devicetree/bindings/misc/qemu,vcpu-stall-detector.yaml
index 1aebeb696ee0..e12d80be00cd 100644
--- a/Documentation/devicetree/bindings/misc/qemu,vcpu-stall-detector.yaml
+++ b/Documentation/devicetree/bindings/misc/qemu,vcpu-stall-detector.yaml
@@ -29,6 +29,9 @@ properties:
Defaults to 10 if unset.
default: 10
+ interrupts:
+ maxItems: 1
+
timeout-sec:
description: |
The stall detector expiration timeout measured in seconds.
@@ -43,9 +46,12 @@ additionalProperties: false
examples:
- |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
vmwdt@9030000 {
compatible = "qemu,vcpu-stall-detector";
reg = <0x9030000 0x10000>;
clock-frequency = <10>;
timeout-sec = <8>;
+ interrupts = <GIC_PPI 15 IRQ_TYPE_EDGE_RISING>;
};
--
2.45.1.288.g0e0cd299f1-goog
On Thu, May 23, 2024 at 04:04:12PM +0000, Sebastian Ene wrote:
> The vcpu stall detector allows the host to monitor the availability of a
> guest VM. Introduce a PPI interrupt which can be injected from the host
> into the virtual gic to let the guest reboot itself.
>
> Signed-off-by: Sebastian Ene <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Cheers,
Conor.