52 lines
1.2 KiB
YAML
52 lines
1.2 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/misc/qemu,vcpu-stall-detector.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: VCPU stall detector
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description:
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This binding describes a CPU stall detector mechanism for virtual CPUs
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which is accessed through MMIO.
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maintainers:
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- Sebastian Ene <sebastianene@google.com>
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properties:
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compatible:
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enum:
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- qemu,vcpu-stall-detector
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reg:
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maxItems: 1
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clock-frequency:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: |
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The internal clock of the stall detector peripheral measure in Hz used
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to decrement its internal counter register on each tick.
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Defaults to 10 if unset.
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default: 10
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timeout-sec:
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description: |
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The stall detector expiration timeout measured in seconds.
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Defaults to 8 if unset. Please note that it also takes into account the
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time spent while the VCPU is not running.
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default: 8
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required:
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- compatible
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additionalProperties: false
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examples:
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- |
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vmwdt@9030000 {
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compatible = "qemu,vcpu-stall-detector";
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reg = <0x9030000 0x10000>;
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clock-frequency = <10>;
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timeout-sec = <8>;
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};
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