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authorEugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>2014-08-29 11:01:36 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-09-01 09:23:02 +0200
commit92cb05574b7bd489be81f9c58497dc7dfe5d8859 (patch)
tree4bbca10d0e306d41bb576c8aa59062271c9d551a /pc-bios/pxe-rtl8139.rom
parent159855f098489160df9cb13ce1667a4d6dd76895 (diff)
pc-bios/s390-ccw: support all virtio block size
The block size value may be given "as is" OR as a base value and a shift count (exponent). So, we have to use calculation to get the proper number in the code. The main expression reads as (blk_cfg.blk_size << blk_cfg.physical_block_exp) E.g., various combinations between blk_size=1/physical_block_exp=12 and blk_size=4096/physical_block_exp=0 are valid for 4K blocks. Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'pc-bios/pxe-rtl8139.rom')
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