162306a36Sopenharmony_ciWhat:		/sys/devices/pci0000:00/*/QEMU0001:00/capability for MMIO
262306a36Sopenharmony_ci		/sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/capability for PCI
362306a36Sopenharmony_ciDate:		Jan 2021
462306a36Sopenharmony_ciContact:	zhenwei pi <pizhenwei@bytedance.com>
562306a36Sopenharmony_ciDescription:
662306a36Sopenharmony_ci		Read-only attribute. Capabilities of pvpanic device which
762306a36Sopenharmony_ci		are supported by QEMU.
862306a36Sopenharmony_ci
962306a36Sopenharmony_ci		Format: %x.
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ci		Detailed bit definition refers to section <Bit Definition>
1262306a36Sopenharmony_ci		from pvpanic device specification:
1362306a36Sopenharmony_ci		https://git.qemu.org/?p=qemu.git;a=blob_plain;f=docs/specs/pvpanic.txt
1462306a36Sopenharmony_ci
1562306a36Sopenharmony_ciWhat:		/sys/devices/pci0000:00/*/QEMU0001:00/events
1662306a36Sopenharmony_ci		/sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/events for PCI
1762306a36Sopenharmony_ciDate:		Jan 2021
1862306a36Sopenharmony_ciContact:	zhenwei pi <pizhenwei@bytedance.com>
1962306a36Sopenharmony_ciDescription:
2062306a36Sopenharmony_ci		RW attribute. Set/get which features in-use. This attribute
2162306a36Sopenharmony_ci		is used to enable/disable feature(s) of pvpanic device.
2262306a36Sopenharmony_ci		Notice that this value should be a subset of capability.
2362306a36Sopenharmony_ci
2462306a36Sopenharmony_ci		Format: %x.
2562306a36Sopenharmony_ci
2662306a36Sopenharmony_ci		Also refer to pvpanic device specification.
27