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Subject[PATCH v6 5/5] Documentation: add debugfs description for hisi migration
Date
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@huawei.com>
---
.../ABI/testing/debugfs-hisi-migration | 27 +++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 28 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..f391f2366bfa
--- /dev/null
+++ b/Documentation/ABI/testing/debugfs-hisi-migration
@@ -0,0 +1,27 @@
+What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/dev_data
+Date: Apr 2024
+KernelVersion: 6.9
+Contact: Longfang Liu <liulongfang@huawei.com>
+Description: Read the live migration data of the vfio device.
+ These data include device status data, queue configuration
+ data, some task configuration data and Device attribute data.
+ The output format of the data is defined by the live
+ migration driver.
+
+What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/migf_data
+Date: Apr 2024
+KernelVersion: 6.9
+Contact: Longfang Liu <liulongfang@huawei.com>
+Description: Read the data from the last completed live migration.
+ These data include device status data, queue configuration
+ data, some task configuration data and Device attribute data.
+ The output format of the data is defined by the live
+ migration driver.
+
+What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/cmd_state
+Date: Apr 2024
+KernelVersion: 6.9
+Contact: Longfang Liu <liulongfang@huawei.com>
+Description: Used to obtain the device command sending and receiving
+ channel status. If successful, returns the command value.
+ If failed, return error log.
diff --git a/MAINTAINERS b/MAINTAINERS
index aa415ddc6c03..d2bcf926bb18 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -23234,6 +23234,7 @@ M: Longfang Liu <liulongfang@huawei.com>
M: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
L: kvm@vger.kernel.org
S: Maintained
+F: Documentation/ABI/testing/debugfs-hisi-migration
F: drivers/vfio/pci/hisilicon/

VFIO MEDIATED DEVICE DRIVERS
--
2.24.0

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