From patchwork Sun Feb 4 08:56:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Longfang Liu X-Patchwork-Id: 13544577 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ACC0016429; Sun, 4 Feb 2024 09:00:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.255 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707037223; cv=none; b=bobPFg113XqioY5GCgcbC8pAgv+eQmBaWoUpZWoor9SlLJK8MpjP7oOs3OehHEyLqDMU2bZShrCCPlEtgbcr9uqKY0RdGJ3Ow2+lJD7/dXxkaWDk9FAW7lN2laH+694lAZgVJOpRirQeUdvhAlBxl9KDAGUbyTbN5PW3ejLnklY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707037223; c=relaxed/simple; bh=R9YJdadMG0beDrQ5hAFVncKtFW0TPcOt5e7kmsnmhj8=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=ilNStU6LSogoFMb2B6MB7jQZ6MpQoM1tbpyZMPmyCCB7nP3Lwi0Xb50ofRRbBhT8gnot2tS3PEWYQDtctIzKX1yU6Qb2NYcn0ie3QPejG0lgipVxoEh+iMG3IMQABwbka2dqy6ca+uinHMyjfzYsFMOBoCuheyTwrPBYu0kqzeg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.255 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.105]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4TSNjJ5VJBz1Q8XT; Sun, 4 Feb 2024 16:59:00 +0800 (CST) Received: from kwepemm600005.china.huawei.com (unknown [7.193.23.191]) by mail.maildlp.com (Postfix) with ESMTPS id C20F31404FE; Sun, 4 Feb 2024 17:00:17 +0800 (CST) Received: from huawei.com (10.50.165.33) by kwepemm600005.china.huawei.com (7.193.23.191) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Sun, 4 Feb 2024 17:00:17 +0800 From: Longfang Liu To: , , , CC: , , , Subject: [PATCH v2 0/3] add debugfs to hisilicon migration driver Date: Sun, 4 Feb 2024 16:56:07 +0800 Message-ID: <20240204085610.17720-1-liulongfang@huawei.com> X-Mailer: git-send-email 2.24.0 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600005.china.huawei.com (7.193.23.191) 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 v1 -> v2 Solve the racy problem of io_base. Longfang Liu (3): 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 migration .../ABI/testing/debugfs-hisi-migration | 34 +++ MAINTAINERS | 1 + .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 218 +++++++++++++++++- .../vfio/pci/hisilicon/hisi_acc_vfio_pci.h | 11 + 4 files changed, 254 insertions(+), 10 deletions(-) create mode 100644 Documentation/ABI/testing/debugfs-hisi-migration