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| author | zhenwei pi <pizhenwei@bytedance.com> | 2021-01-10 14:53:58 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-27 16:28:17 +0300 |
| commit | 8d6da6575ffec171161d36a06c015142b0049637 (patch) | |
| tree | bd1bdd45d6f88de6d2b20f133a0f69957af48093 /Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic | |
| parent | 487709fa1be2f27aa8e7de6c60587b4302a21467 (diff) | |
| download | linux-8d6da6575ffec171161d36a06c015142b0049637.tar.xz | |
misc: pvpanic: introduce events device attribue
Suggested by Paolo & Greg, add 'events' device attribute that can be
used to limit which capabilities the driver uses.
Finally, the pvpanic guest driver works by the limitation of both
device capability and user setting.
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Link: https://lore.kernel.org/r/20210110115358.79100-3-pizhenwei@bytedance.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic b/Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic index 79b7dc31cd55..1936f7324155 100644 --- a/Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic +++ b/Documentation/ABI/testing/sysfs-bus-pci-devices-pvpanic @@ -10,3 +10,15 @@ Description: 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 +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. |