From: Nigel Hislop <hislop_nigel@emc.com>
Date: Fri, 10 Oct 2008 19:33:25 +0000 (+0200)
Subject: [S390] Add ioctl support for EMC Symmetrix Subsystem Control I/O
X-Git-Tag: v2.6.28-rc1~721^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab1d848fd6a9151b02c6cbf4bddce6e24707b094;p=pandora-kernel.git

[S390] Add ioctl support for EMC Symmetrix Subsystem Control I/O

EMC Symmetrix Subsystem Control I/O through CKD dasd requires a
specific parameter list sent to the array via a Perform Subsystem
Function CCW. The Symmetrix response is retrieved from the array
via a Read Subsystem Data CCW.

Signed-off-by: Nigel Hislop <hislop_nigel@emc.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

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