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* [dts][PATCH V2 1/2] test_plans/vm2vm_virtio_user_dsa_test_plan: modify testplan description
@ 2022-11-30  6:33 Wei Ling
  0 siblings, 0 replies; only message in thread
From: Wei Ling @ 2022-11-30  6:33 UTC (permalink / raw)
  To: dts; +Cc: Wei Ling

Modify the description in testplan.

Signed-off-by: Wei Ling <weix.ling@intel.com>
---
 .../vm2vm_virtio_user_dsa_test_plan.rst       | 166 +++++++++---------
 1 file changed, 85 insertions(+), 81 deletions(-)

diff --git a/test_plans/vm2vm_virtio_user_dsa_test_plan.rst b/test_plans/vm2vm_virtio_user_dsa_test_plan.rst
index 369fe076..75f94a4e 100644
--- a/test_plans/vm2vm_virtio_user_dsa_test_plan.rst
+++ b/test_plans/vm2vm_virtio_user_dsa_test_plan.rst
@@ -7,26 +7,34 @@ VM2VM vhost-user/virtio-user with DSA driver test plan
 
 Description
 ===========
-Vhost asynchronous data path leverages DMA devices to offload memory copies from the CPU and it is implemented in an asynchronous way.
-In addition, vhost supports M:N mapping between vrings and DMA virtual channels. Specifically, one vring can use multiple different DMA
-channels and one DMA channel can be shared by multiple vrings at the same time. From DPDK22.07, Vhost enqueue and dequeue operation with
-DSA driver is supported in both split and packed ring.
+Vhost asynchronous data path leverages DMA devices to offload memory copies from the CPU and it is implemented in an
+asynchronous way. DPDK Vhost with DSA acceleration supports M:N mapping between virtqueues and DSA WQs. Specifically,
+one DSA WQ can be used by multiple virtqueues and one virtqueue can offload copies to multiple DSA WQs at the same time.
+Vhost async enqueue and async dequeue operation is supported in both split and packed ring.
 
 This document provides the test plan for testing the following features when Vhost-user using asynchronous data path with
 DSA driver (kernel IDXD driver and DPDK vfio-pci driver) in VM2VM virtio-user topology.
-1. Split virtqueue vm2vm in-order mergeable, in-order non-mergeable, mergeable, non-mergeable, vector_rx path test and payload check.
-2. Packed virtqueue vm2vm in-order mergeable, in-order non-mergeable, mergeable, non-mergeable, vectorized path (ringsize not powerof 2) test and payload check.
-3. Test indirect descriptor feature. For example, the split ring mergeable inorder path use non-indirect descriptor, the 2000,2000,2000,2000 chain packets will need 4 consequent ring, still need one ring put header.
-the split ring mergeable path use indirect descriptor, the 2000,2000,2000,2000 chain packets will only occupy one ring.
+1.Split virtqueue vm2vm in-order mergeable, in-order non-mergeable, mergeable, non-mergeable, vector_rx path test and payload check.
+2.Packed virtqueue vm2vm in-order mergeable, in-order non-mergeable, mergeable, non-mergeable, vectorized path (ringsize not powerof 2) test and payload check.
+3.Test indirect descriptor feature. For example, the split ring mergeable inorder path use non-indirect descriptor,
+the 2000,2000,2000,2000 chain packets will need 4 consequent ring, still need one ring put header; the split ring mergeable path
+use indirect descriptor, the 2000,2000,2000,2000 chain packets will only occupy one ring.
 
-IOMMU impact:
-If iommu off, idxd can work with iova=pa
-If iommu on, kernel dsa driver only can work with iova=va by program IOMMU, can't use iova=pa(fwd not work due to pkts payload wrong).
+.. note::
+
+	1.When DMA devices are bound to vfio driver, VA mode is the default and recommended. For PA mode, page by page mapping may
+	exceed IOMMU's max capability, better to use 1G guest hugepage.
+	2.DPDK local patch that about vhost pmd is needed when testing Vhost asynchronous data path with testpmd. In this patch,
+	we enable asynchronous data path for vhostpmd. Asynchronous data path is enabled per tx/rx queue, and users need to specify
+	the DMA device used by the tx/rx queue. Each tx/rx queue only supports to use one DMA device (This is limited by the
+	implementation of vhostpmd), but one DMA device can be shared among multiple tx/rx queues of different vhost PMD ports.
 
-Note:
-1.When DMA devices are bound to vfio driver, VA mode is the default and recommended. For PA mode, page by page mapping may
-exceed IOMMU's max capability, better to use 1G guest hugepage.
-2.DPDK local patch that about vhost pmd is needed when testing Vhost asynchronous data path with testpmd.
+Two PMD parameters are added:
+- dmas:	specify the used DMA device for a tx/rx queue.(Default: no queues enable asynchronous data path)
+- dma-ring-size: DMA ring size.(Default: 4096).
+
+Here is an example:
+--vdev 'eth_vhost0,iface=./s0,dmas=[txq0@0000:00.01.0;rxq0@0000:00.01.1],dma-ring-size=2048'
 
 Prerequisites
 =============
@@ -45,14 +53,10 @@ General set up
 	CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=static x86_64-native-linuxapp-gcc
 	ninja -C x86_64-native-linuxapp-gcc -j 110
 
-2. Get the PCI device ID and DSA device ID of DUT, for example, 0000:4f:00.1 is PCI device ID, 0000:6a:01.0 - 0000:f6:01.0 are DSA device IDs::
+2. Get the PCI device of DUT, for example, 0000:6a:01.0 - 0000:f6:01.0 are DSA devices::
 
 	<dpdk dir># ./usertools/dpdk-devbind.py -s
 
-	Network devices using kernel driver
-	===================================
-	0000:4f:00.1 'Ethernet Controller E810-C for QSFP 1592' drv=ice unused=vfio-pci
-
 	DMA devices using kernel driver
 	===============================
 	0000:6a:01.0 'Device 0b25' drv=idxd unused=vfio-pci
@@ -71,44 +75,44 @@ Common steps
 ------------
 1. Bind DSA devices to DPDK vfio-pci driver::
 
-	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci <DUT port DSA device id>
+	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci <dsa_pci>
 
-	For example, bind 2 DMA devices to vfio-pci driver:
+	For example, bind 2 DSA devices to vfio-pci driver:
 	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci 0000:e7:01.0 0000:ec:01.0
 
 .. note::
 
-	One DPDK DSA device can create 8 WQ at most. Below is an example, where DPDK DSA device will create one and
-	eight WQ for DSA deivce 0000:e7:01.0 and 0000:ec:01.0. The value of “max_queues” is 1~8:
+	One DPDK DSA device can create 8 WQ at most. Below is an example, where DPDK DSA device will create one WQ for deivce
+	0000:e7:01.0 and eight WQs for 0000:ec:01.0. The value range of “max_queues” is 1~8 and the default value is 8:
 	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 4 -n 4 -a 0000:e7:01.0,max_queues=1 -- -i
 	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 4 -n 4 -a 0000:ec:01.0,max_queues=8 -- -i
 
 2. Bind DSA devices to kernel idxd driver, and configure Work Queue (WQ)::
 
-	<dpdk dir># ./usertools/dpdk-devbind.py -b idxd <numDevices * 2>
-	<dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py -q <numWq> <numDevices>
+	<dpdk dir># ./usertools/dpdk-devbind.py -b idxd <dsa_pci>
+	<dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py -q <wq_num> <dsa_idx>
 
 .. note::
 
+	dsa_idx: Index of DSA devices, where 0<=dsa_idx<=7, corresponding to 0000:6a:01.0 - 0000:f6:01.0
+	wq_num: Number of work queues configured per DSA instance, where 1<=num_wq<=8
+
 	Better to reset WQ when need operate DSA devices that bound to idxd drvier:
-	<dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py --reset <numDevices>
+	<dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py --reset <dsa_idx>
 	You can check it by 'ls /dev/dsa'
-	numDevices: number of devices, where 0<=numDevices<=7, corresponding to 0000:6a:01.0 - 0000:f6:01.0
-	numWq: Number of workqueues per DSA endpoint, where 1<=numWq<=8
-
-	For example, bind 2 DMA devices to idxd driver and configure WQ:
 
+	For example, bind 2 DSA devices to idxd driver and configure WQ:
 	<dpdk dir># ./usertools/dpdk-devbind.py -b idxd 6a:01.0 6f:01.0
 	<dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py -q 1 0
 	<dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py -q 4 1
 	Check WQ by 'ls /dev/dsa' and can find "wq0.0 wq1.0 wq1.1 wq1.2 wq1.3"
 
 Test Case 1: VM2VM split ring non-mergeable path and multi-queues payload check with dsa dpdk driver
-------------------------------------------------------------------------------------------------------
+----------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user split ring non-mergeable path 
 and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver. Both iova as VA and PA mode test.
 
-1. bind 2 dsa device to vfio-pci like common step 1::
+1. Bind 2 DSA device to vfio-pci like common step 1::
 
 	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci e7:01.0 ec:01.0
 
@@ -180,11 +184,11 @@ and multi-queues when vhost uses the asynchronous operations with dsa dpdk drive
 11. Rerun step 6.
 
 Test Case 2: VM2VM split ring inorder non-mergeable path and multi-queues payload check with dsa dpdk driver
----------------------------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user split ring inorder
 non-mergeable path and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver. Both iova as VA and PA mode test.
 
-1. bind 3 dsa device to vfio-pci like common step 1::
+1. Bind 3 DSA device to vfio-pci like common step 1::
 
 	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci e7:01.0 ec:01.0 f1:01.0
 
@@ -256,11 +260,11 @@ non-mergeable path and multi-queues when vhost uses the asynchronous operations
 11. Rerun step 6.
 
 Test Case 3: VM2VM split ring inorder mergeable path and multi-queues test non-indirect descriptor and payload check with dsa dpdk driver
--------------------------------------------------------------------------------------------------------------------------------------------
+-----------------------------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid and non-indirect descriptor after packets forwarding in vhost-user/virtio-user
 split ring inorder mergeable path and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver. Both iova as VA and PA mode test.
 
-1. bind 4 dsa device to vfio-pci like common step 1::
+1. Bind 4 DSA device to vfio-pci like common step 1::
 
 	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci e7:01.0 ec:01.0 f1:01.0 f6:01.0
 
@@ -311,11 +315,11 @@ still need one ring put header. So check 504 packets and 48128 bytes received by
 8. Rerun step 3-6.
 
 Test Case 4: VM2VM split ring mergeable path and multi-queues test indirect descriptor and payload check with dsa dpdk driver
-------------------------------------------------------------------------------------------------------------------------------
+-----------------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid and indirect descriptor after packets forwarding in vhost-user/virtio-user
 split ring mergeable path and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver. Both iova as VA and PA mode test.
 
-1. bind 4 dsa device to vfio-pci like common step 1::
+1. Bind 4 DSA device to vfio-pci like common step 1::
 
 	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci e7:01.0 ec:01.0 f1:01.0 f6:01.0
 
@@ -366,11 +370,11 @@ So check 512 packets and 112128 bytes received by virtio-user1 and 502 packets w
 8. Rerun step 3-6.
 
 Test Case 5: VM2VM split ring vectorized path and multi-queues payload check with vhost async operation and dsa dpdk driver
-------------------------------------------------------------------------------------------------------------------------------
+---------------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user split ring vectorized path
 and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver. Both iova as VA and PA mode test.
 
-1. bind 3 dsa ports to vfio-pci::
+1. Bind 3 dsa ports to vfio-pci::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u e7:01.0 ec:01.0 f1:01.0
@@ -444,11 +448,11 @@ and multi-queues when vhost uses the asynchronous operations with dsa dpdk drive
 11. Rerun step 6.
 
 Test Case 6: VM2VM packed ring non-mergeable path and multi-queues payload check with dsa dpdk driver
-------------------------------------------------------------------------------------------------------
+-----------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user packed ring 
 non-mergeable path and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver. Both iova as VA and PA mode test.
 
-1. bind 3 dsa device to vfio-pci like common step 1::
+1. Bind 3 DSA device to vfio-pci like common step 1::
 
 	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci e7:01.0 ec:01.0 f1:01.0
 
@@ -520,11 +524,11 @@ non-mergeable path and multi-queues when vhost uses the asynchronous operations
 11. Rerun step 6.
 
 Test Case 7: VM2VM packed ring inorder non-mergeable path and multi-queues payload check with dsa dpdk driver
----------------------------------------------------------------------------------------------------------------
+-------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user packed ring inorder
 non-mergeable path and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver. Both iova as VA and PA mode test.
 
-1. bind 4 dsa device to vfio-pci like common step 1::
+1. Bind 4 DSA device to vfio-pci like common step 1::
 
 	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci e7:01.0 f1:01.0 f6:01.0
 
@@ -596,11 +600,11 @@ non-mergeable path and multi-queues when vhost uses the asynchronous operations
 11. Rerun step 6.
 
 Test Case 8: VM2VM packed ring mergeable path and multi-queues payload check with dsa dpdk driver
---------------------------------------------------------------------------------------------------
+-------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user packed ring 
 mergeable path and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver. Both iova as VA and PA mode test.
 
-1. bind 2 dsa device to vfio-pci like common step 1::
+1. Bind 2 DSA device to vfio-pci like common step 1::
 
 	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci e7:01.0 ec:01.0 
 
@@ -669,11 +673,11 @@ mergeable path and multi-queues when vhost uses the asynchronous operations with
 11. Rerun step 6.
 
 Test Case 9: VM2VM packed ring inorder mergeable path and multi-queues payload check with dsa dpdk driver
------------------------------------------------------------------------------------------------------------
+---------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user packed ring inorder
 mergeable path and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver. Both iova as VA and PA mode test.
 
-1. bind 4 dsa device to vfio-pci like common step 1::
+1. Bind 4 DSA device to vfio-pci like common step 1::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u e7:01.0 ec:01.0 f1:01.0 f6:01.0
@@ -743,12 +747,12 @@ mergeable path and multi-queues when vhost uses the asynchronous operations with
 11. Rerun step 6.
 
 Test Case 10: VM2VM packed ring vectorized-tx path and multi-queues test indirect descriptor and payload check with dsa dpdk driver
-------------------------------------------------------------------------------------------------------------------------------------
+-----------------------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid and indirect descriptor after packets forwarding in vhost-user/virtio-user
 packed ring vectorized-tx path and multi-queues when vhost uses the asynchronous operations with dsa dpdk driver.
 Both iova as VA and PA mode test.
 
-1. bind 2 dsa device to vfio-pci like common step 1::
+1. Bind 2 DSA device to vfio-pci like common step 1::
 
 	<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci e7:01.0 ec:01.0
 
@@ -799,11 +803,11 @@ So check 512 packets and 112128 bytes received by virtio-user1 and 502 packets w
 8. Rerun step 3-6.
 
 Test Case 11: VM2VM split ring non-mergeable path and multi-queues payload check with dsa kernel driver
----------------------------------------------------------------------------------------------------------
+-------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user split ring 
 non-mergeable path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. bind 1 dsa device to idxd like common step 2::
+1. Bind 1 DSA device to idxd like common step 2::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py --reset xx
@@ -880,11 +884,11 @@ non-mergeable path and multi-queues when vhost uses the asynchronous operations
 11. Rerun step 6.
 
 Test Case 12: VM2VM split ring inorder non-mergeable path and multi-queues payload check with dsa kernel driver
-----------------------------------------------------------------------------------------------------------------
+---------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user split ring inorder
 non-mergeable path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. bind 2 dsa device to idxd like common step 2::
+1. Bind 2 DSA device to idxd like common step 2::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0 6f:01.0
@@ -961,11 +965,11 @@ non-mergeable path and multi-queues when vhost uses the asynchronous operations
 11. Rerun step 6.
 
 Test Case 13: VM2VM split ring inorder mergeable path and multi-queues test non-indirect descriptor and payload check with dsa kernel driver
----------------------------------------------------------------------------------------------------------------------------------------------
+--------------------------------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid and non-indirect descriptor after packets forwarding in vhost-user/virtio-user
 split ring inorder mergeable path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. bind 1 dsa device to idxd like common step 2::
+1. Bind 1 DSA device to idxd like common step 2::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0
@@ -1011,11 +1015,11 @@ split ring inorder mergeable path and multi-queues when vhost uses the asynchron
 still need one ring put header. So check 504 packets and 48128 bytes received by virtio-user1 and 502 packets with 64 length and 2 packets with 8K length in pdump-virtio-rx.pcap.
 
 Test Case 14: VM2VM split ring mergeable path and multi-queues test indirect descriptor and payload check with dsa kernel driver
----------------------------------------------------------------------------------------------------------------------------------
+--------------------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid and indirect descriptor after packets forwarding in vhost-user/virtio-user
 split ring mergeable path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. bind 2 dsa device to idxd like common step 2::
+1. Bind 2 DSA device to idxd like common step 2::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0 6f:01.0
@@ -1061,18 +1065,18 @@ split ring mergeable path and multi-queues when vhost uses the asynchronous oper
 So check 512 packets and 112128 bytes received by virtio-user1 and 502 packets with 64 length and 10 packets with 8K length in pdump-virtio-rx.pcap.
 
 Test Case 15: VM2VM split ring vectorized path and multi-queues payload check with vhost async operation and dsa kernel driver
--------------------------------------------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user split ring
 vectorized path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. bind 2 dsa ports to idxd::
+1. Bind 2 dsa ports to idxd::
 
-        ls /dev/dsa #check wq configure, reset if exist
-	<dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0 6f:01.0
-	<dpdk dir># ./usertools/dpdk-devbind.py -b idxd 6a:01.0 6f:01.0
-	<dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py -q 8 0
-	<dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py -q 8 1
-	ls /dev/dsa #check wq configure success
+    ls /dev/dsa #check wq configure, reset if exist
+    <dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0 6f:01.0
+    <dpdk dir># ./usertools/dpdk-devbind.py -b idxd 6a:01.0 6f:01.0
+    <dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py -q 8 0
+    <dpdk dir># ./drivers/dma/idxd/dpdk_idxd_cfg.py -q 8 1
+    ls /dev/dsa #check wq configure success
 
 2. Launch vhost by below command::
 
@@ -1142,11 +1146,11 @@ vectorized path and multi-queues when vhost uses the asynchronous operations wit
 11. Rerun step 6.
 
 Test Case 16: VM2VM packed ring non-mergeable path and multi-queues payload check with dsa kernel driver
----------------------------------------------------------------------------------------------------------
+--------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user packed ring 
 non-mergeable path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. bind 2 dsa device to idxd like common step 2::
+1. Bind 2 DSA device to idxd like common step 2::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0 6f:01.0
@@ -1224,11 +1228,11 @@ non-mergeable path and multi-queues when vhost uses the asynchronous operations
 11. Rerun step 6.
 
 Test Case 17: VM2VM packed ring inorder non-mergeable path and multi-queues payload check with dsa kernel driver
-------------------------------------------------------------------------------------------------------------------
+----------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user packed ring inorder
 non-mergeable path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. bind 2 dsa device to idxd like common step 2::
+1. Bind 2 DSA device to idxd like common step 2::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0 6f:01.0
@@ -1304,11 +1308,11 @@ non-mergeable path and multi-queues when vhost uses the asynchronous operations
 11. Rerun step 6.
 
 Test Case 18: VM2VM packed ring mergeable path and multi-queues payload check with dsa kernel driver
------------------------------------------------------------------------------------------------------
+----------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user packed ring 
 mergeable path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. bind 2 dsa device to idxd::
+1. Bind 2 DSA device to idxd::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0 6f:01.0
@@ -1381,11 +1385,11 @@ mergeable path and multi-queues when vhost uses the asynchronous operations with
 11. Rerun step 6.
 
 Test Case 19: VM2VM packed ring inorder mergeable path and multi-queues payload check with dsa kernel driver
--------------------------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user packed ring inorder
 mergeable path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. bind 2 dsa device to idxd like common step 2::
+1. Bind 2 DSA device to idxd like common step 2::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0 6f:01.0
@@ -1458,11 +1462,11 @@ mergeable path and multi-queues when vhost uses the asynchronous operations with
 11. Rerun step 6.
 
 Test Case 20: VM2VM packed ring vectorized-tx path and multi-queues test indirect descriptor and payload check with dsa kernel driver
---------------------------------------------------------------------------------------------------------------------------------------
+-------------------------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid and indirect descriptor after packets forwarding in vhost-user/virtio-user
 packed ring vectorized-tx path and multi-queues when vhost uses the asynchronous operations with dsa kernel driver.
 
-1. Bind 2 dsa device to idxd like common step 2::
+1. Bind 2 DSA device to idxd like common step 2::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u 6a:01.0 6f:01.0
@@ -1511,11 +1515,11 @@ packed ring vectorized-tx path and multi-queues when vhost uses the asynchronous
 So check 512 packets and 112128 bytes received by virtio-user1 and 502 packets with 64 length and 10 packets with 8K length in pdump-virtio-rx.pcap.
 
 Test Case 21: VM2VM split ring mergeable path and multi-queues test indirect descriptor with dsa dpdk and kernel driver
--------------------------------------------------------------------------------------------------------------------------
+-----------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid and indirect descriptor after packets forwarding in vhost-user/virtio-user
 split ring mergeable path and multi-queues when vhost uses the asynchronous operations with dsa dpdk and kernel driver.
 
-1. bind 2 dsa ports to idxd and 2 dsa ports to vfio-pci::
+1. Bind 2 dsa ports to idxd and 2 dsa ports to vfio-pci::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u e7:01.0 ec:01.0 f1:01.0 f6:01.0
@@ -1563,11 +1567,11 @@ split ring mergeable path and multi-queues when vhost uses the asynchronous oper
 So check 512 packets and 112128 bytes received by virtio-user1 and 502 packets with 64 length and 10 packets with 8K length in pdump-virtio-rx.pcap.
 
 Test Case 22: VM2VM packed ring inorder mergeable path and multi-queues payload check with dsa dpdk and kernel driver
------------------------------------------------------------------------------------------------------------------------
+---------------------------------------------------------------------------------------------------------------------
 This case uses testpmd to test the payload is valid after packets forwarding in vhost-user/virtio-user packed ring inorder
 mergeable path and multi-queues when vhost uses the asynchronous operations with dsa dpdk and kernel driver.
 
-1. bind 2 dsa device to vfio-pci and 2 dsa port to idxd like common step 1-2::
+1. Bind 2 DSA device to vfio-pci and 2 dsa port to idxd like common step 1-2::
 
 	ls /dev/dsa #check wq configure, reset if exist
 	<dpdk dir># ./usertools/dpdk-devbind.py -u e7:01.0 ec:01.0 f1:01.0 f6:01.0
-- 
2.25.1


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