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Diffstat (limited to '')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic b/Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic new file mode 100644 index 000000000000..4ec03cd36357 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic @@ -0,0 +1,26 @@ +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. |