diff options
Diffstat (limited to 'hw/hd-geometry.c')
| -rw-r--r-- | hw/hd-geometry.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/hw/hd-geometry.c b/hw/hd-geometry.c index 241aed9352..4d746b7155 100644 --- a/hw/hd-geometry.c +++ b/hw/hd-geometry.c @@ -117,7 +117,8 @@ static void guess_chs_for_size(BlockDriverState *bs, } void hd_geometry_guess(BlockDriverState *bs, - int *pcyls, int *pheads, int *psecs) + int *pcyls, int *pheads, int *psecs, + int *ptrans) { int cylinders, heads, secs, translation; @@ -129,6 +130,9 @@ void hd_geometry_guess(BlockDriverState *bs, *pcyls = cylinders; *pheads = heads; *psecs = secs; + if (ptrans) { + *ptrans = translation; + } return; } @@ -142,10 +146,10 @@ void hd_geometry_guess(BlockDriverState *bs, translation was active, so a standard physical disk geometry is OK */ guess_chs_for_size(bs, pcyls, pheads, psecs); - bdrv_set_translation_hint(bs, - *pcyls * *pheads <= 131072 - ? BIOS_ATA_TRANSLATION_LARGE - : BIOS_ATA_TRANSLATION_LBA); + translation = *pcyls * *pheads <= 131072 + ? BIOS_ATA_TRANSLATION_LARGE + : BIOS_ATA_TRANSLATION_LBA; + bdrv_set_translation_hint(bs, translation); } else { /* LCHS guess with heads <= 16: use as physical geometry */ *pcyls = cylinders; @@ -153,7 +157,11 @@ void hd_geometry_guess(BlockDriverState *bs, *psecs = secs; /* disable any translation to be in sync with the logical geometry */ - bdrv_set_translation_hint(bs, BIOS_ATA_TRANSLATION_NONE); + translation = BIOS_ATA_TRANSLATION_NONE; + bdrv_set_translation_hint(bs, translation); + } + if (ptrans) { + *ptrans = translation; } bdrv_set_geometry_hint(bs, *pcyls, *pheads, *psecs); trace_hd_geometry_guess(bs, *pcyls, *pheads, *psecs, translation); |