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1What: /sys/devices/pci0000:00/*/QEMU0001:00/capability for MMIO2 /sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/capability for PCI3Date: Jan 20214Contact: zhenwei pi <pizhenwei@bytedance.com>5Description:6 Read-only attribute. Capabilities of pvpanic device which7 are supported by QEMU.8 9 Format: %x.10 11 Detailed bit definition refers to section <Bit Definition>12 from pvpanic device specification:13 https://git.qemu.org/?p=qemu.git;a=blob_plain;f=docs/specs/pvpanic.txt14 15What: /sys/devices/pci0000:00/*/QEMU0001:00/events16 /sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/events for PCI17Date: Jan 202118Contact: zhenwei pi <pizhenwei@bytedance.com>19Description:20 RW attribute. Set/get which features in-use. This attribute21 is used to enable/disable feature(s) of pvpanic device.22 Notice that this value should be a subset of capability.23 24 Format: %x.25 26 Also refer to pvpanic device specification.27