From: Sam Eiderman Date: Wed, 16 Oct 2019 16:41:39 +0000 (+0300) Subject: block: Support providing LCHS from user X-Git-Tag: v4.2.0-rc0~16^2~6 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=64c5bb83df51bc40bf9da5075709b270b86f66e3;p=users%2Fdwmw2%2Fqemu.git block: Support providing LCHS from user Add logical geometry variables to BlockConf. A user can now supply "lcyls", "lheads" & "lsecs" for any HD device that supports CHS ("cyls", "heads", "secs"). These devices include: * ide-hd * scsi-hd * virtio-blk-pci In future commits we will use the provided LCHS and pass it to the BIOS through fw_cfg to be supplied using INT13 routines. Reviewed-by: Karl Heubaum Reviewed-by: Arbel Moshe Signed-off-by: Sam Eiderman Signed-off-by: Sam Eiderman Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Signed-off-by: John Snow --- diff --git a/include/hw/block/block.h b/include/hw/block/block.h index fd55a30bca..d7246f3862 100644 --- a/include/hw/block/block.h +++ b/include/hw/block/block.h @@ -26,6 +26,7 @@ typedef struct BlockConf { uint32_t discard_granularity; /* geometry, not all devices use this */ uint32_t cyls, heads, secs; + uint32_t lcyls, lheads, lsecs; OnOffAuto wce; bool share_rw; BlockdevOnError rerror; @@ -65,7 +66,10 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf) #define DEFINE_BLOCK_CHS_PROPERTIES(_state, _conf) \ DEFINE_PROP_UINT32("cyls", _state, _conf.cyls, 0), \ DEFINE_PROP_UINT32("heads", _state, _conf.heads, 0), \ - DEFINE_PROP_UINT32("secs", _state, _conf.secs, 0) + DEFINE_PROP_UINT32("secs", _state, _conf.secs, 0), \ + DEFINE_PROP_UINT32("lcyls", _state, _conf.lcyls, 0), \ + DEFINE_PROP_UINT32("lheads", _state, _conf.lheads, 0), \ + DEFINE_PROP_UINT32("lsecs", _state, _conf.lsecs, 0) #define DEFINE_BLOCK_ERROR_PROPERTIES(_state, _conf) \ DEFINE_PROP_BLOCKDEV_ON_ERROR("rerror", _state, _conf.rerror, \