Merge "bindings: Add bindings for the gunyah panic notifier"

This commit is contained in:
qctecmdr
2023-11-06 17:25:15 -08:00
committed by Gerrit - the friendly Code Review server
2 changed files with 121 additions and 0 deletions

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/arm/msm/qcom,gh-panic-notifier.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Qualcomm Technologies, Inc. Gunyah Panic Notifier Driver
description: |
Through the use of a Gunyah doorbell object to notify other VM do error
handle when Primary VM panic. This driver is to be enabled on both Primary
VM and the other VM who need do error handle.
properties:
compatible:
const: qcom,gh-panic-notifier
qcom,primary-vm:
description: Specify if this device is on the primary virtual machine.
peer-name:
description: Other vm peer name number.
gunyah-label:
$ref: '/schemas/types.yaml#/definitions/u32'
maxItems: 1
description: The label qrtr should request interrupts with this label from
the gunyah doorbell driver.
memory-region:
maxItems: 1
description: handle to memory reservation for shared memory region between
PVM and other VM.
shared-buffer-size:
description: The size of shared memory which alloc from CMA.
required:
-compatible
-gunyah-label
examples:
- |
vm_comm_mem: vm_comm_mem_region {
compatible = "shared-dma-pool";
alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
reusable;
alignment = <0x0 0x400000>;
size = <0x0 0x400000>;
};
qcom,gunyah-panic-notifier {
compatible = "qcom,gh-panic-notifier";
qcom,primary-vm;
peer-name = <2>;
gunyah-label = <9>;
memory-region = <&vm_comm_mem>;
shared-buffer-size = <0x1000>;
};

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/soc/qcom/dmesg-dumper.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Qualcomm Technologies, Inc. Dmesg dumper binding
maintainers:
- Guru Das Srinagesh <quic_gurus@quicinc.com>
description: |
Upon encountering a kernel panic in a Virtual machine or getting
Virtual machine's alive log trrigger by primary Virtual machine,
enable the dumping the dmesg log buffer to a reserved memory
section through the use of a Gunyah shared-memory doorbell object.
properties:
compatible:
const: qcom,dmesg-dump
qcom,primary-vm:
description: Specify if this device is on the primary virtual machine.
gunyah-label:
$ref: '/schemas/types.yaml#/definitions/u32'
maxItems: 1
description: The label qrtr should request interrupts with this label from
the gunyah doorbell driver.
shared-buffer:
$ref: '/schemas/types.yaml#/definitions/phandle'
maxItems: 1
description: phandle reference to a reserved memory region for sharing
between vms
ddump-pubkey-size:
maxItems: 1
description: The size of public key used to encrypt the alive log.
ddump-pubkey:
maxItems: 1
description: The value of public key used to encrypt the alive log.
required:
-compatible
-gunyah-label
-shared-buffer
examples:
- |
trust_ui_vm_dump@e55f2000 {
no-map;
reg = <0x0 0xe55f2000 0x0 0x1000>;
};
dmesg-dump {
compatible = "qcom,dmesg-dump";
qcom,primary-vm;
gunyah-label = <6>;
shared-buffer = <&trust_ui_vm_dump>;
};