On 10/16/19 6:41 PM, Sam Eiderman wrote:
> From: Sam Eiderman <shmuel.eiderman@oracle.com>
>
> 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 <karl.heubaum@oracle.com>
> Reviewed-by: Arbel Moshe <arbel.moshe@oracle.com>
> Signed-off-by: Sam Eiderman <shmuel.eiderman@oracle.com>
> Signed-off-by: Sam Eiderman <sameid@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> include/hw/block/block.h | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> 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, \
>
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