From: Longfang Liu <liulongfang@huawei.com>
To: <alex.williamson@redhat.com>, <jgg@nvidia.com>,
<shameerali.kolothum.thodi@huawei.com>,
<jonathan.cameron@huawei.com>
Cc: <kvm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linuxarm@openeuler.org>, <liulongfang@huawei.com>
Subject: [PATCH v9 4/4] Documentation: add debugfs description for hisi migration
Date: Fri, 13 Sep 2024 17:55:02 +0800 [thread overview]
Message-ID: <20240913095502.22940-5-liulongfang@huawei.com> (raw)
In-Reply-To: <20240913095502.22940-1-liulongfang@huawei.com>
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 | 25 +++++++++++++++++++
1 file changed, 25 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..f625b3ca230e
--- /dev/null
+++ b/Documentation/ABI/testing/debugfs-hisi-migration
@@ -0,0 +1,25 @@
+What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/dev_data
+Date: Sep 2024
+KernelVersion: 6.11
+Contact: Longfang Liu <liulongfang@huawei.com>
+Description: Read the configuration data and some status data
+ required for device 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/migf_data
+Date: Sep 2024
+KernelVersion: 6.11
+Contact: Longfang Liu <liulongfang@huawei.com>
+Description: Read the data from the last completed live migration.
+ This data includes the same device status data as in "dev_data".
+ The migf_data is the dev_data that is migrated.
+
+What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/cmd_state
+Date: Sep 2024
+KernelVersion: 6.11
+Contact: Longfang Liu <liulongfang@huawei.com>
+Description: Used to obtain the device command sending and receiving
+ channel status. Returns failure or success logs based on the
+ results.
--
2.24.0
prev parent reply other threads:[~2024-09-13 10:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-13 9:54 [PATCH v9 0/4] debugfs to hisilicon migration driver Longfang Liu
2024-09-13 9:54 ` [PATCH v9 1/4] hisi_acc_vfio_pci: extract public functions for container_of Longfang Liu
2024-09-13 9:55 ` [PATCH v9 2/4] hisi_acc_vfio_pci: create subfunction for data reading Longfang Liu
2024-09-13 9:55 ` [PATCH v9 3/4] hisi_acc_vfio_pci: register debugfs for hisilicon migration driver Longfang Liu
2024-10-11 8:09 ` Shameerali Kolothum Thodi
2024-10-12 9:03 ` liulongfang
2024-09-13 9:55 ` Longfang Liu [this message]
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