From: Xiao Wang <xiao.w.wang@intel.com>
To: tiwei.bie@intel.com, maxime.coquelin@redhat.com
Cc: alejandro.lucero@netronome.com, dev@dpdk.org,
zhihong.wang@intel.com, xiaolong.ye@intel.com,
Xiao Wang <xiao.w.wang@intel.com>
Subject: [dpdk-dev] [PATCH v5 10/10] doc: update ifc NIC document
Date: Tue, 18 Dec 2018 16:02:07 +0800 [thread overview]
Message-ID: <20181218080207.178666-11-xiao.w.wang@intel.com> (raw)
In-Reply-To: <20181218080207.178666-1-xiao.w.wang@intel.com>
Add the SW assisted VDPA live migration feature into NIC doc.
Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
---
doc/guides/nics/ifc.rst | 12 +++++++++++-
doc/guides/rel_notes/release_19_02.rst | 6 ++++++
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/doc/guides/nics/ifc.rst b/doc/guides/nics/ifc.rst
index 48f9adf1d..bdf7b4e4a 100644
--- a/doc/guides/nics/ifc.rst
+++ b/doc/guides/nics/ifc.rst
@@ -31,7 +31,8 @@ IFCVF's vendor ID and device ID are same as that of virtio net pci device,
with its specific subsystem vendor ID and device ID. To let the device be
probed by IFCVF driver, adding "vdpa=1" parameter helps to specify that this
device is to be used in vDPA mode, rather than polling mode, virtio pmd will
-skip when it detects this message.
+skip when it detects this message. If no this parameter specified, device
+will not be used as a vDPA device, and it will be driven by virtio pmd.
Different VF devices serve different virtio frontends which are in different
VMs, so each VF needs to have its own DMA address translation service. During
@@ -39,6 +40,14 @@ the driver probe a new container is created for this device, with this
container vDPA driver can program DMA remapping table with the VM's memory
region information.
+The device argument "sw-live-migration=1" will configure the driver into SW
+assisted live migration mode. In this mode, the driver will set up a SW relay
+thread when LM happens, this thread will help device to log dirty pages. Thus
+this mode does not require HW to implement a dirty page logging function block,
+but will consume some percentage of CPU resource depending on the network
+throughput. If no this parameter specified, driver will rely on device's logging
+capability.
+
Key IFCVF vDPA driver ops
~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -70,6 +79,7 @@ Features
Features of the IFCVF driver are:
- Compatibility with virtio 0.95 and 1.0.
+- SW assisted vDPA live migration.
Prerequisites
diff --git a/doc/guides/rel_notes/release_19_02.rst b/doc/guides/rel_notes/release_19_02.rst
index e86ef9511..131216e19 100644
--- a/doc/guides/rel_notes/release_19_02.rst
+++ b/doc/guides/rel_notes/release_19_02.rst
@@ -60,6 +60,12 @@ New Features
* Added the handler to get firmware version string.
* Added support for multicast filtering.
+* **Added support for SW-assisted VDPA live migration.**
+
+ This SW-assisted VDPA live migration facility helps VDPA devices without
+ logging capability to perform live migration, a mediated SW relay can help
+ devices to track dirty pages caused by DMA. IFC driver has enabled this
+ SW-assisted live migration mode.
Removed Items
-------------
--
2.15.1
next prev parent reply other threads:[~2018-12-18 8:12 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-28 9:45 [dpdk-dev] [PATCH 0/9] support SW assisted VDPA live migration Xiao Wang
2018-11-28 9:45 ` [dpdk-dev] [PATCH 1/9] vhost: provide helper for host notifier ctrl Xiao Wang
2018-11-28 9:46 ` [dpdk-dev] [PATCH 2/9] vhost: provide helpers for virtio ring relay Xiao Wang
2018-12-04 6:22 ` Tiwei Bie
2018-12-12 6:51 ` Wang, Xiao W
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 0/9] support SW assisted VDPA live migration Xiao Wang
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 1/9] vhost: provide helper for host notifier ctrl Xiao Wang
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 2/9] vhost: provide helpers for virtio ring relay Xiao Wang
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 0/9] support SW assisted VDPA live migration Xiao Wang
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 1/9] vhost: provide helper for host notifier ctrl Xiao Wang
2018-12-14 13:33 ` Maxime Coquelin
2018-12-14 19:05 ` Wang, Xiao W
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 00/10] support SW assisted VDPA live migration Xiao Wang
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 01/10] vhost: remove unused internal API Xiao Wang
2018-12-16 8:58 ` Maxime Coquelin
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 02/10] vhost: provide helper for host notifier ctrl Xiao Wang
2018-12-16 9:00 ` Maxime Coquelin
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 03/10] vhost: provide helpers for virtio ring relay Xiao Wang
2018-12-16 9:10 ` Maxime Coquelin
2018-12-17 8:51 ` Wang, Xiao W
2018-12-17 11:02 ` Maxime Coquelin
2018-12-17 14:41 ` Wang, Xiao W
2018-12-17 19:00 ` Maxime Coquelin
2018-12-18 8:27 ` Wang, Xiao W
2018-12-18 8:44 ` Thomas Monjalon
2018-12-18 8:01 ` [dpdk-dev] [PATCH v5 00/10] support SW assisted VDPA live migration Xiao Wang
2018-12-18 8:01 ` [dpdk-dev] [PATCH v5 01/10] vhost: remove unused internal API Xiao Wang
2018-12-18 8:01 ` [dpdk-dev] [PATCH v5 02/10] vhost: provide helper for host notifier ctrl Xiao Wang
2018-12-18 15:37 ` Ferruh Yigit
2018-12-18 8:02 ` [dpdk-dev] [PATCH v5 03/10] vhost: provide helpers for virtio ring relay Xiao Wang
2018-12-18 8:02 ` [dpdk-dev] [PATCH v5 04/10] net/ifc: dump debug message for error Xiao Wang
2018-12-18 8:02 ` [dpdk-dev] [PATCH v5 05/10] net/ifc: store only registered device instance Xiao Wang
2018-12-18 8:02 ` [dpdk-dev] [PATCH v5 06/10] net/ifc: detect if VDPA mode is specified Xiao Wang
2018-12-18 8:02 ` [dpdk-dev] [PATCH v5 07/10] net/ifc: add devarg for LM mode Xiao Wang
2018-12-18 11:23 ` Maxime Coquelin
2018-12-18 8:02 ` [dpdk-dev] [PATCH v5 08/10] net/ifc: use lib API for used ring logging Xiao Wang
2018-12-18 8:02 ` [dpdk-dev] [PATCH v5 09/10] net/ifc: support SW assisted VDPA live migration Xiao Wang
2018-12-18 11:33 ` Maxime Coquelin
2018-12-18 8:02 ` Xiao Wang [this message]
2018-12-18 11:35 ` [dpdk-dev] [PATCH v5 10/10] doc: update ifc NIC document Maxime Coquelin
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 04/10] net/ifc: dump debug message for error Xiao Wang
2018-12-16 9:11 ` Maxime Coquelin
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 05/10] net/ifc: store only registered device instance Xiao Wang
2018-12-16 9:12 ` Maxime Coquelin
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 06/10] net/ifc: detect if VDPA mode is specified Xiao Wang
2018-12-16 9:17 ` Maxime Coquelin
2018-12-17 8:54 ` Wang, Xiao W
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 07/10] net/ifc: add devarg for LM mode Xiao Wang
2018-12-16 9:21 ` Maxime Coquelin
2018-12-17 9:00 ` Wang, Xiao W
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 08/10] net/ifc: use lib API for used ring logging Xiao Wang
2018-12-16 9:24 ` Maxime Coquelin
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 09/10] net/ifc: support SW assisted VDPA live migration Xiao Wang
2018-12-16 9:35 ` Maxime Coquelin
2018-12-17 9:12 ` Wang, Xiao W
2018-12-17 11:08 ` Maxime Coquelin
2018-12-14 21:16 ` [dpdk-dev] [PATCH v4 10/10] doc: update ifc NIC document Xiao Wang
2018-12-16 9:36 ` Maxime Coquelin
2018-12-17 9:15 ` Wang, Xiao W
2018-12-18 14:01 ` [dpdk-dev] [PATCH v4 00/10] support SW assisted VDPA live migration Maxime Coquelin
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 2/9] vhost: provide helpers for virtio ring relay Xiao Wang
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 3/9] net/ifc: dump debug message for error Xiao Wang
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 4/9] net/ifc: store only registered device instance Xiao Wang
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 5/9] net/ifc: detect if VDPA mode is specified Xiao Wang
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 6/9] net/ifc: add devarg for LM mode Xiao Wang
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 7/9] net/ifc: use lib API for used ring logging Xiao Wang
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 8/9] net/ifc: support SW assisted VDPA live migration Xiao Wang
2018-12-13 10:09 ` [dpdk-dev] [PATCH v3 9/9] doc: update ifc NIC document Xiao Wang
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 3/9] net/ifc: dump debug message for error Xiao Wang
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 4/9] net/ifc: store only registered device instance Xiao Wang
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 5/9] net/ifc: detect if VDPA mode is specified Xiao Wang
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 6/9] net/ifc: add devarg for LM mode Xiao Wang
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 7/9] net/ifc: use lib API for used ring logging Xiao Wang
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 8/9] net/ifc: support SW assisted VDPA live migration Xiao Wang
2018-12-13 1:10 ` [dpdk-dev] [PATCH v2 9/9] doc: update ifc NIC document Xiao Wang
2018-11-28 9:46 ` [dpdk-dev] [PATCH 3/9] net/ifc: dump debug message for error Xiao Wang
2018-11-28 9:46 ` [dpdk-dev] [PATCH 4/9] net/ifc: store only registered device instance Xiao Wang
2018-11-28 9:46 ` [dpdk-dev] [PATCH 5/9] net/ifc: detect if VDPA mode is specified Xiao Wang
2018-11-28 9:46 ` [dpdk-dev] [PATCH 6/9] net/ifc: add devarg for LM mode Xiao Wang
2018-12-04 6:31 ` Tiwei Bie
2018-12-12 6:53 ` Wang, Xiao W
2018-12-12 10:15 ` Alejandro Lucero
2018-12-12 10:23 ` Wang, Xiao W
2018-11-28 9:46 ` [dpdk-dev] [PATCH 7/9] net/ifc: use lib API for used ring logging Xiao Wang
2018-11-28 9:46 ` [dpdk-dev] [PATCH 8/9] net/ifc: support SW assisted VDPA live migration Xiao Wang
2018-11-28 9:46 ` [dpdk-dev] [PATCH 9/9] doc: update ifc NIC document Xiao Wang
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