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Message-ID: <20240425132322.12041-6-liulongfang@huawei.com>
Date: Thu, 25 Apr 2024 21:23:22 +0800
From: Longfang Liu <liulongfang@...wei.com>
To: <alex.williamson@...hat.com>, <jgg@...dia.com>,
	<shameerali.kolothum.thodi@...wei.com>, <jonathan.cameron@...wei.com>
CC: <kvm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linuxarm@...neuler.org>, <liulongfang@...wei.com>
Subject: [PATCH v6 5/5] Documentation: add debugfs description for hisi migration

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@...wei.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@...wei.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@...wei.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@...wei.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@...wei.com>
 M:	Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>
 L:	kvm@...r.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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