On 2024/3/7 14:36, Longfang Liu wrote: > Add a debugfs document description file to help users understand > how to use the hisilicon accelerator live migration driver's > debugfs. > > Update the file paths that need to be maintained in MAINTAINERS > > Signed-off-by: Longfang Liu <liulongfang@xxxxxxxxxx> > --- > .../ABI/testing/debugfs-hisi-migration | 34 +++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 35 insertions(+) > create mode 100644 Documentation/ABI/testing/debugfs-hisi-migration > > diff --git a/Documentation/ABI/testing/debugfs-hisi-migration b/Documentation/ABI/testing/debugfs-hisi-migration > new file mode 100644 > index 000000000000..7111af41ed05 > --- /dev/null > +++ b/Documentation/ABI/testing/debugfs-hisi-migration > @@ -0,0 +1,34 @@ > +What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/data > +Date: Mar 2024 > +KernelVersion: 6.8 > +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> > +Description: Read the live migration data of the vfio device. > + These data include device status data, queue configuration > + data and some task configuration data. > + The output format of the data is defined by the live > + migration driver. > + > +What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/attr > +Date: Mar 2024 > +KernelVersion: 6.8 > +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> > +Description: Read the live migration attributes of the vfio device. > + it include device status attributes and data length attributes > + The output format of the attributes is defined by the live > + migration driver. > + > +What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/cmd_state > +Date: Mar 2024 > +KernelVersion: 6.8 > +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> > +Description: Used to obtain the device command sending and receiving > + channel status. If successful, returns the command value. > + If failed, return error log. > + > +What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/save > +Date: Mar 2024 > +KernelVersion: 6.8 > +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> > +Description: Trigger the Hisilicon accelerator device to perform > + the state saving operation of live migration through the read > + operation, and output the operation log results. > diff --git a/MAINTAINERS b/MAINTAINERS > index 7625911ec2f1..8c2d13b13273 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -23072,6 +23072,7 @@ M: Longfang Liu <liulongfang@xxxxxxxxxx> > M: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx> > L: kvm@xxxxxxxxxxxxxxx > S: Maintained > +F: Documentation/ABI/testing/debugfs-hisi-migration > F: drivers/vfio/pci/hisilicon/ > > VFIO MEDIATED DEVICE DRIVERS > Hi, Alex: Are there any issues with this patchset that need to be modified? Thanks, Longfang.
