Date: Tue, 29 Dec 2015 06:56:13 +0000 (UTC) From: Benjamin Kaduk <bjk@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r47921 - head/en_US.ISO8859-1/htdocs/news/status Message-ID: <201512290656.tBT6uDUQ018171@repo.freebsd.org>
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Author: bjk Date: Tue Dec 29 06:56:13 2015 New Revision: 47921 URL: https://svnweb.freebsd.org/changeset/doc/47921 Log: Add report on ioat(4) improvements from cem Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2015-10-2015-12.xml Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2015-10-2015-12.xml ============================================================================== --- head/en_US.ISO8859-1/htdocs/news/status/report-2015-10-2015-12.xml Tue Dec 29 06:49:42 2015 (r47920) +++ head/en_US.ISO8859-1/htdocs/news/status/report-2015-10-2015-12.xml Tue Dec 29 06:56:13 2015 (r47921) @@ -212,4 +212,45 @@ <sponsor>EMC / Isilon Storage Division</sponsor> </project> + + <project cat='kern'> + <title>ioat(4) driver enhancements</title> + + <contact> + <person> + <name> + <given>Conrad</given> + <common>Meyer</common> + </name> + <email>cem@FreeBSD.org</email> + </person> + </contact> + + <links> + <url href="https://en.wikipedia.org/wiki/I/O_Acceleration_Technology">Wikipedia on I/OAT</url> + <url href="https://www.FreeBSD.org/news/status/report-2015-07-2015-09.html#ioat%284%29-Driver-Import">Last quarter's ioat(4) report</url> + </links> + + <body> + <p> I/OAT DMA engines are bulk memory operation offload + engines built into some Intel Server/Storage platform + CPUs.</p> + + <p>This quarter, several enhancements were made to the driver. + The driver now avoids memory allocation in locked paths, which + should avoid deadlocking in memory pressure scenarios. Support + for Broadwell-EP devices has been added. The + "blockfill" operation and a non-contiguous 8 KB copy + operation have been added to the API. The driver can recover from + various programming errors by resetting the hardware.</p> + </body> + + <sponsor>EMC / Isilon Storage Division</sponsor> + + <help> + <task> + <p>XOR and other advanced ("RAID") operation support.</p> + </task> + </help> + </project> </report>
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