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GET /api/patches/48726/?format=api
{ "id": 48726, "url": "http://patches.dpdk.org/api/patches/48726/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20181213011014.110089-10-xiao.w.wang@intel.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20181213011014.110089-10-xiao.w.wang@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20181213011014.110089-10-xiao.w.wang@intel.com", "date": "2018-12-13T01:10:14", "name": "[v2,9/9] doc: update ifc NIC document", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "acd0346d3358781a29562642be4d7cc3cbf449b8", "submitter": { "id": 281, "url": "http://patches.dpdk.org/api/people/281/?format=api", "name": "Xiao Wang", "email": "xiao.w.wang@intel.com" }, "delegate": { "id": 2642, "url": "http://patches.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20181213011014.110089-10-xiao.w.wang@intel.com/mbox/", "series": [ { "id": 2747, "url": "http://patches.dpdk.org/api/series/2747/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=2747", "date": "2018-12-13T01:10:05", "name": "support SW assisted VDPA live migration", "version": 2, "mbox": "http://patches.dpdk.org/series/2747/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/48726/comments/", "check": "fail", "checks": "http://patches.dpdk.org/api/patches/48726/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 20B0B1B461;\n\tThu, 13 Dec 2018 02:23:39 +0100 (CET)", "from mga05.intel.com (mga05.intel.com [192.55.52.43])\n\tby dpdk.org (Postfix) with ESMTP id 470541B454\n\tfor <dev@dpdk.org>; Thu, 13 Dec 2018 02:23:37 +0100 (CET)", "from orsmga008.jf.intel.com ([10.7.209.65])\n\tby fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t12 Dec 2018 17:23:36 -0800", "from dpdk-xiao-1.sh.intel.com ([10.67.111.145])\n\tby orsmga008.jf.intel.com with ESMTP; 12 Dec 2018 17:23:34 -0800" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.56,346,1539673200\"; d=\"scan'208\";a=\"101112948\"", "From": "Xiao Wang <xiao.w.wang@intel.com>", "To": "alejandro.lucero@netronome.com,\n\ttiwei.bie@intel.com", "Cc": "maxime.coquelin@redhat.com, dev@dpdk.org, zhihong.wang@intel.com,\n\txiaolong.ye@intel.com, Xiao Wang <xiao.w.wang@intel.com>", "Date": "Thu, 13 Dec 2018 09:10:14 +0800", "Message-Id": "<20181213011014.110089-10-xiao.w.wang@intel.com>", "X-Mailer": "git-send-email 2.15.1", "In-Reply-To": "<20181213011014.110089-1-xiao.w.wang@intel.com>", "References": "<20181128094607.106173-3-xiao.w.wang@intel.com>\n\t<20181213011014.110089-1-xiao.w.wang@intel.com>", "Subject": "[dpdk-dev] [PATCH v2 9/9] doc: update ifc NIC document", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>\n---\nv2:\n* Add release note.\n---\n doc/guides/nics/ifc.rst | 7 +++++++\n doc/guides/rel_notes/release_19_02.rst | 5 +++++\n 2 files changed, 12 insertions(+)", "diff": "diff --git a/doc/guides/nics/ifc.rst b/doc/guides/nics/ifc.rst\nindex 48f9adf1d..858f35f74 100644\n--- a/doc/guides/nics/ifc.rst\n+++ b/doc/guides/nics/ifc.rst\n@@ -39,6 +39,12 @@ the driver probe a new container is created for this device, with this\n container vDPA driver can program DMA remapping table with the VM's memory\n region information.\n \n+The device argument \"swlm=1\" will configure the driver into SW assisted live\n+migration mode. In this mode, the driver will set up a SW relay thread when LM\n+happens, this thread will help device to log dirty pages. Thus this mode does\n+not require HW to implement a dirty page logging function block, but will\n+consume some percentage of CPU resource depending on the network throughput.\n+\n Key IFCVF vDPA driver ops\n ~~~~~~~~~~~~~~~~~~~~~~~~~\n \n@@ -70,6 +76,7 @@ Features\n Features of the IFCVF driver are:\n \n - Compatibility with virtio 0.95 and 1.0.\n+- SW assisted vDPA live migration.\n \n \n Prerequisites\ndiff --git a/doc/guides/rel_notes/release_19_02.rst b/doc/guides/rel_notes/release_19_02.rst\nindex a94fa86a7..ea3909631 100644\n--- a/doc/guides/rel_notes/release_19_02.rst\n+++ b/doc/guides/rel_notes/release_19_02.rst\n@@ -54,6 +54,11 @@ New Features\n Also, make sure to start the actual text at the margin.\n =========================================================\n \n+* **Add support for SW-assisted VDPA live migration.**\n+ This SW-assisted VDPA live migration facility helps VDPA devices without\n+ logging capability to perform live migration, a mediate SW relay can help\n+ devices to track dirty pages caused by DMA. IFC driver has enabled this\n+ SW-assisted live migration mode.\n \n Removed Items\n -------------\n", "prefixes": [ "v2", "9/9" ] }