From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (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 648CA18A93F; Mon, 4 Nov 2024 08:00:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.187 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730707231; cv=none; b=hr76pY5kYmBlc0R2rvsD4c9wwZ6y1NZICmHFrQkuhna6MRKXk6X/otpPxBcgCKgiQKrQYXWENNDIBXJMw8vAlGv3KT+SdnQQVpkdnNuBSDGAQ8BetCX2xDeun6L/e/P/lKpNVqmm9H1pEb56ewxqd/UlXC80njaaow576aOcpqk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730707231; c=relaxed/simple; bh=AdGbmYTuxw465OdvTXQSCs61a1R0cZiPSHg1LjSX4/Q=; h=Subject:To:CC:References:From:Message-ID:Date:MIME-Version: In-Reply-To:Content-Type; b=Xf9gRlXRb04Zf1xjqssyaBFqU9HBTfKzOBmQM0I2OfZqP7WcNxQttr4qTvlsh10Z0ABBG+zr1yHH75GwpKjVa1SpT6qBcf2OyPIRPDZo87AfqI4SGyxRtQxZPhtN/Rw7cl589BX6vnbTCsQomVoe/5hbiQ5okvq1eBhehZptf2c= 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=45.249.212.187 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 [172.19.162.254]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4XhkPD019zzyVPF; Mon, 4 Nov 2024 15:58:39 +0800 (CST) Received: from dggemv711-chm.china.huawei.com (unknown [10.1.198.66]) by mail.maildlp.com (Postfix) with ESMTPS id 67BEC18010F; Mon, 4 Nov 2024 16:00:24 +0800 (CST) Received: from kwepemn100017.china.huawei.com (7.202.194.122) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 4 Nov 2024 16:00:12 +0800 Received: from [10.67.121.110] (10.67.121.110) by kwepemn100017.china.huawei.com (7.202.194.122) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 4 Nov 2024 16:00:12 +0800 Subject: Re: [PATCH v11 4/4] Documentation: add debugfs description for hisi migration To: Alex Williamson CC: , , , , , References: <20241025090143.64472-1-liulongfang@huawei.com> <20241025090143.64472-5-liulongfang@huawei.com> <20241031160952.3b93d4af.alex.williamson@redhat.com> From: liulongfang Message-ID: Date: Mon, 4 Nov 2024 16:00:11 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20241031160952.3b93d4af.alex.williamson@redhat.com> Content-Type: text/plain; charset="gbk" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemn100017.china.huawei.com (7.202.194.122) On 2024/11/1 6:09, Alex Williamson wrote: > On Fri, 25 Oct 2024 17:01:43 +0800 > Longfang Liu wrote: > >> 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 >> Reviewed-by: Shameer Kolothum >> --- >> .../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..89e4fde5ec6a >> --- /dev/null >> +++ b/Documentation/ABI/testing/debugfs-hisi-migration >> @@ -0,0 +1,25 @@ >> +What: /sys/kernel/debug/vfio//migration/hisi_acc/dev_data >> +Date: Oct 2024 >> +KernelVersion: 6.12 > > We're currently targeting v6.13, which is likely Jan 2025. Thanks, > OK! Thanks. Longfang. > Alex > >> +Contact: Longfang Liu >> +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//migration/hisi_acc/migf_data >> +Date: Oct 2024 >> +KernelVersion: 6.12 >> +Contact: Longfang Liu >> +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//migration/hisi_acc/cmd_state >> +Date: Oct 2024 >> +KernelVersion: 6.12 >> +Contact: Longfang Liu >> +Description: Used to obtain the device command sending and receiving >> + channel status. Returns failure or success logs based on the >> + results. > > > . >