diff options
| author | Sebastian Ene <sebastianene@google.com> | 2024-07-03 15:37:31 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-07-04 12:31:21 +0200 |
| commit | 173c044752b79949335298a3c2566b19831750c1 (patch) | |
| tree | ed2eedac00167cb56bf47c9a3177294e3e579b85 /Documentation/devicetree/bindings/misc | |
| parent | a1944676767e855869b6af8e1c7e185372feaf31 (diff) | |
dt-bindings: vcpu_stall_detector: Add a PPI interrupt to the virtual device
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.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Sebastian Ene <sebastianene@google.com>
Link: https://lore.kernel.org/r/20240703153732.3214238-2-sebastianene@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/misc')
| -rw-r--r-- | Documentation/devicetree/bindings/misc/qemu,vcpu-stall-detector.yaml | 6 |
1 files changed, 6 insertions, 0 deletions
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>; }; |