hd_geometry_guess() picks geometry and translation. Callers can get the geometry directly, via parameters, but for translation they need to go through the block layer.
Add a parameter for translation, so it can optionally be gotten just like geometry. In preparation of purging translation from the block layer, which will happen later in this series. Signed-off-by: Markus Armbruster <arm...@redhat.com> --- blockdev.h | 3 ++- hw/hd-geometry.c | 20 ++++++++++++++------ hw/ide/core.c | 2 +- hw/scsi-disk.c | 4 ++-- hw/virtio-blk.c | 2 +- 5 files changed, 20 insertions(+), 11 deletions(-) diff --git a/blockdev.h b/blockdev.h index 7b05945..214f239 100644 --- a/blockdev.h +++ b/blockdev.h @@ -65,6 +65,7 @@ int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data); /* Hard disk geometry */ void hd_geometry_guess(BlockDriverState *bs, - int *pcyls, int *pheads, int *psecs); + int *pcyls, int *pheads, int *psecs, + int *ptrans); #endif diff --git a/hw/hd-geometry.c b/hw/hd-geometry.c index eaccbe9..208cb42 100644 --- a/hw/hd-geometry.c +++ b/hw/hd-geometry.c @@ -108,7 +108,8 @@ 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; @@ -120,6 +121,9 @@ void hd_geometry_guess(BlockDriverState *bs, *pcyls = cylinders; *pheads = heads; *psecs = secs; + if (ptrans) { + *ptrans = translation; + } return; } @@ -133,10 +137,10 @@ 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; @@ -144,7 +148,11 @@ 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); diff --git a/hw/ide/core.c b/hw/ide/core.c index 00ee280..03a4f4f 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -1933,7 +1933,7 @@ int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind, s->drive_kind = kind; bdrv_get_geometry(bs, &nb_sectors); - hd_geometry_guess(bs, &cylinders, &heads, &secs); + hd_geometry_guess(bs, &cylinders, &heads, &secs, NULL); if (cylinders < 1 || cylinders > 16383) { error_report("cyls must be between 1 and 16383"); return -1; diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index 47e1246..7a75e15 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -948,7 +948,7 @@ static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf, break; } /* if a geometry hint is available, use it */ - hd_geometry_guess(bdrv, &cylinders, &heads, &secs); + hd_geometry_guess(bdrv, &cylinders, &heads, &secs, NULL); p[2] = (cylinders >> 16) & 0xff; p[3] = (cylinders >> 8) & 0xff; p[4] = cylinders & 0xff; @@ -982,7 +982,7 @@ static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf, p[2] = 5000 >> 8; p[3] = 5000 & 0xff; /* if a geometry hint is available, use it */ - hd_geometry_guess(bdrv, &cylinders, &heads, &secs); + hd_geometry_guess(bdrv, &cylinders, &heads, &secs, NULL); p[4] = heads & 0xff; p[5] = secs & 0xff; p[6] = s->qdev.blocksize >> 8; diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c index c976749..e4f9906 100644 --- a/hw/virtio-blk.c +++ b/hw/virtio-blk.c @@ -622,7 +622,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, VirtIOBlkConf *blk) s->blk = blk; s->rq = NULL; s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1; - hd_geometry_guess(s->bs, &cylinders, &heads, &secs); + hd_geometry_guess(s->bs, &cylinders, &heads, &secs, NULL); s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output); -- 1.7.6.5