linux-kernel - [PATCH v4 0/4] add debugfs to hisilicon migration driver

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Date: Tue, 2 Apr 2024 11:24:28 +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 v4 0/4] add debugfs to hisilicon migration driver

Add a debugfs function to the hisilicon migration driver in VFIO to
provide intermediate state values and data during device migration.

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
	Rebased on kernel6.9

Changes v2 -> v3
	Solve debugfs serialization problem.

Changes v1 -> v2
	Solve the racy problem of io_base.

Longfang Liu (4):
  hisi_acc_vfio_pci: extract public functions for container_of
  hisi_acc_vfio_pci: Create subfunction for data reading
  hisi_acc_vfio_pci: register debugfs for hisilicon migration driver
  Documentation: add debugfs description for hisi migration

 .../ABI/testing/debugfs-hisi-migration        |  34 +++
 MAINTAINERS                                   |   1 +
 .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c    | 281 ++++++++++++++++--
 .../vfio/pci/hisilicon/hisi_acc_vfio_pci.h    |  14 +
 4 files changed, 298 insertions(+), 32 deletions(-)
 create mode 100644 Documentation/ABI/testing/debugfs-hisi-migration

-- 
2.24.0