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authorEugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>2014-08-29 11:01:37 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-09-01 09:23:02 +0200
commit00a47e7e71a2fbceb4ec565593738b0b3f06a42b (patch)
treeee6a8499915bd2b967e78cbe3f448f54c9671ab7 /roms/config.ipxe.general.h
parent92cb05574b7bd489be81f9c58497dc7dfe5d8859 (diff)
pc-bios/s390-ccw: handle more ECKD DASD block sizes
Using dasdfmt(8) to format a DASD allows to choose a block size. There are four supported values: 512, 1024, 2048, and 4096 bytes per block. Each block size leads to selection of new count of sectors per track. The head count remains always the same: 15. This empiric knowledge is used to detect ECKD DASD to IPL from. Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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