linux-kernel - [PATCH v4 0/5] add debugfs to migration driver

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Date:   Fri, 2 Dec 2022 17:26:20 +0800
From:   Longfang Liu <liulongfang@...wei.com>
To:     <alex.williamson@...hat.com>, <jgg@...dia.com>,
        <shameerali.kolothum.thodi@...wei.com>, <john.garry@...wei.com>
CC:     <cohuck@...hat.com>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...neuler.org>, <liulongfang@...wei.com>
Subject: [PATCH v4 0/5] add debugfs to migration driver

Add a debugfs function to the migration driver in VFIO to provide
a step-by-step test function for the migration driver.

When the execution of live migration fails, the user can view the
status and data during the migration process separately from the
source and the destination, which is convenient for users to analyze
and locate problems.

Changes v3 -> v4
	Change the migration_debug_operate interface to debug_root file.

Changes v2 -> v3
	Extend the debugfs function from hisilicon device to vfio.

Changes v1 -> v2
	Change the registration method of root_debugfs to register
	with module initialization.

Longfang Liu (5):
  vfio/migration: Add debugfs to live migration driver
  hisi_acc_vfio_pci: extract public functions for container_of
  hisi_acc_vfio_pci: register debugfs for hisilicon migration driver
  Documentation: add debugfs description for hisi_acc_vfio_pci
  vfio: update live migration device status

 .../ABI/testing/debugfs-hisi-migration        |  32 ++
 drivers/vfio/pci/Makefile                     |   4 +
 .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c    | 274 +++++++++++++++++-
 .../vfio/pci/hisilicon/hisi_acc_vfio_pci.h    |   9 +
 drivers/vfio/pci/mlx5/main.c                  |   3 +
 drivers/vfio/pci/vfio_pci_core.c              |   3 +
 drivers/vfio/pci/vfio_pci_debugfs.c           | 150 ++++++++++
 drivers/vfio/pci/vfio_pci_debugfs.h           |  32 ++
 include/linux/vfio.h                          |  12 +
 9 files changed, 509 insertions(+), 10 deletions(-)
 create mode 100644 Documentation/ABI/testing/debugfs-hisi-migration
 create mode 100644 drivers/vfio/pci/vfio_pci_debugfs.c
 create mode 100644 drivers/vfio/pci/vfio_pci_debugfs.h

-- 
2.24.0