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After the link tests, there is a race on one side of the test for
the link coming up. It's possible, in some cases, for the test script
to write to the 'peer_trans' files before the link has come up.
To fix this, we simply use the link event file to ensure both sides
see the link as up before continuning.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Fixes: a9c59ef77458 ("ntb_test: Add a selftest script for the NTB subsystem")
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If the test attempts to clear doorbell bits that are invalid for the
hardware, then the test will fail. Provide a parameter to specify the
doorbell bits to clear. Set default doorbell bits that work for XEON.
Signed-off-by: Allen Hubbe <Allen.Hubbe@dell.com>
Acked-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Signed-off-by: Allen Hubbe <Allen.Hubbe@dell.com>
Acked-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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The code mistakenly prints the local perf results for the remote test
so the script reports identical results for both directions. Fix this
by ensuring we print the remote result.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Fixes: a9c59ef77458 ("ntb_test: Add a selftest script for the NTB subsystem")
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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This script automates testing doorbells, scratchpads and memory windows
for an NTB device. It can be run locally, with the NTB looped
back to the same host or use SSH to remotely control the second host.
In the single host case, the script just needs to be passed two
arguments: a PCI ID for each side of the link. In the two host case
the -r option must be used to specify the remote hostname (which must
be SSH accessible and should probably have ssh-keys exchanged).
A sample run looks like this:
$ sudo ./ntb_test.sh 0000:03:00.1 0000:83:00.1 -p 29
Starting ntb_tool tests...
Running link tests on: 0000:03:00.1 / 0000:83:00.1
Passed
Running link tests on: 0000:83:00.1 / 0000:03:00.1
Passed
Running db tests on: 0000:03:00.1 / 0000:83:00.1
Passed
Running db tests on: 0000:83:00.1 / 0000:03:00.1
Passed
Running spad tests on: 0000:03:00.1 / 0000:83:00.1
Passed
Running spad tests on: 0000:83:00.1 / 0000:03:00.1
Passed
Running mw0 tests on: 0000:03:00.1 / 0000:83:00.1
Passed
Running mw0 tests on: 0000:83:00.1 / 0000:03:00.1
Passed
Running mw1 tests on: 0000:03:00.1 / 0000:83:00.1
Passed
Running mw1 tests on: 0000:83:00.1 / 0000:03:00.1
Passed
Starting ntb_pingpong tests...
Running ping pong tests on: 0000:03:00.1 / 0000:83:00.1
Passed
Starting ntb_perf tests...
Running local perf test without DMA
0: copied 536870912 bytes in 164453 usecs, 3264 MBytes/s
Passed
Running remote perf test without DMA
0: copied 536870912 bytes in 164453 usecs, 3264 MBytes/s
Passed
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Acked-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Logan Gunthorpe
Allen Hubbe