| 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. |