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head/tools/tools/ioat/ioatcontrol.8
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| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| .\" Copyright (c) 2015 EMC / Isilon Storage Division | |||||
| .\" All rights reserved. | |||||
| .\" | |||||
| .\" Redistribution and use in source and binary forms, with or without | |||||
| .\" modification, are permitted provided that the following conditions | |||||
| .\" are met: | |||||
| .\" 1. Redistributions of source code must retain the above copyright | |||||
| .\" notice, this list of conditions and the following disclaimer. | |||||
| .\" 2. Redistributions in binary form must reproduce the above copyright | |||||
| .\" notice, this list of conditions and the following disclaimer in the | |||||
| .\" documentation and/or other materials provided with the distribution. | |||||
| .\" | |||||
| .\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND | |||||
| .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
| .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
| .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE | |||||
| .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||||
| .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||||
| .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||||
| .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
| .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
| .\" SUCH DAMAGE. | |||||
| .\" | |||||
| .\" $FreeBSD$ | |||||
| .\" | |||||
| .Dd August 24, 2015 | |||||
| .Dt IOATCONTROL 8 | |||||
| .Os | |||||
| .Sh NAME | |||||
| .Nm ioatcontrol | |||||
| .Nd Userspace tool to test | |||||
| .Xr ioat 4 | |||||
| .Sh SYNOPSIS | |||||
| .Nm | |||||
| .Ar channel_number | |||||
| .Ar num_loops | |||||
| .Sh DESCRIPTION | |||||
| .Nm | |||||
| allows one to issue some number of test operations to the | |||||
| .Xr ioat 4 | |||||
| driver on a specific hardware channel. | |||||
| .Pp | |||||
| Each loop will allocate two chunks of memory, write data patterns to them, | |||||
| submit a DMA request to copy one buffer to the other, and compare the contents | |||||
| in the callback. | |||||
| If the contents are not as expected, an error is reported. | |||||
| .Sh FILES | |||||
| .Pa /dev/ioat_test | |||||
| .Pp | |||||
| The interface between | |||||
| .Nm | |||||
| and | |||||
| .Xr ioat 4 . | |||||
| .Nm | |||||
| exposes it with | |||||
| .Cd hw.ioat.enable_ioat_test=1 . | |||||
| .Sh SEE ALSO | |||||
| .Xr ioat 4 | |||||
| .Sh HISTORY | |||||
| The | |||||
| .Xr ioat 4 | |||||
| driver first appeared in | |||||
| .Fx 11.0 . | |||||
| .Sh AUTHORS | |||||
| The | |||||
| .Xr ioat 4 | |||||
| driver and | |||||
| .Nm | |||||
| tool were developed by | |||||
| .An \&Jim Harris Aq Mt jimharris@FreeBSD.org , | |||||
| and | |||||
| .An \&Carl Delsey Aq Mt carl.r.delsey@intel.com . | |||||
| This manual page was written by | |||||
| .An \&Conrad Meyer Aq Mt cem@FreeBSD.org . | |||||