1What: /sys/devices/pci0000:00/*/QEMU0001:00/capability for MMIO 2 /sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/capability for PCI 3Date: Jan 2021 4Contact: zhenwei pi <pizhenwei@bytedance.com> 5Description: 6 Read-only attribute. Capabilities of pvpanic device which 7 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.txt 14 15What: /sys/devices/pci0000:00/*/QEMU0001:00/events 16 /sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/events for PCI 17Date: Jan 2021 18Contact: zhenwei pi <pizhenwei@bytedance.com> 19Description: 20 RW attribute. Set/get which features in-use. This attribute 21 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