Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic

Source file repositories/reference/linux-study-clean/Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic

File Facts

System
Linux kernel
Corpus path
Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic
Extension
[no extension]
Size
911 bytes
Lines
27
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: Documentation
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

What:		/sys/devices/pci0000:00/*/QEMU0001:00/capability for MMIO
		/sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/capability for PCI
Date:		Jan 2021
Contact:	zhenwei pi <pizhenwei@bytedance.com>
Description:
		Read-only attribute. Capabilities of pvpanic device which
		are supported by QEMU.

		Format: %x.

		Detailed bit definition refers to section <Bit Definition>
		from pvpanic device specification:
		https://git.qemu.org/?p=qemu.git;a=blob_plain;f=docs/specs/pvpanic.txt

What:		/sys/devices/pci0000:00/*/QEMU0001:00/events
		/sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/events for PCI
Date:		Jan 2021
Contact:	zhenwei pi <pizhenwei@bytedance.com>
Description:
		RW attribute. Set/get which features in-use. This attribute
		is used to enable/disable feature(s) of pvpanic device.
		Notice that this value should be a subset of capability.

		Format: %x.

		Also refer to pvpanic device specification.

Annotation

Implementation Notes