diff options
Diffstat (limited to 'pc-bios/s390-ccw/virtio.c')
| -rw-r--r-- | pc-bios/s390-ccw/virtio.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/pc-bios/s390-ccw/virtio.c b/pc-bios/s390-ccw/virtio.c index 31b23b0..04977e4 100644 --- a/pc-bios/s390-ccw/virtio.c +++ b/pc-bios/s390-ccw/virtio.c @@ -275,12 +275,14 @@ void virtio_assume_scsi(void) { guessed_disk_nature = true; blk_cfg.blk_size = 512; + blk_cfg.physical_block_exp = 0; } void virtio_assume_eckd(void) { guessed_disk_nature = true; blk_cfg.blk_size = 4096; + blk_cfg.physical_block_exp = 0; /* this must be here to calculate code segment position */ blk_cfg.geometry.heads = 15; @@ -290,31 +292,31 @@ void virtio_assume_eckd(void) bool virtio_disk_is_scsi(void) { if (guessed_disk_nature) { - return (blk_cfg.blk_size == 512); + return (virtio_get_block_size() == 512); } return (blk_cfg.geometry.heads == 255) && (blk_cfg.geometry.sectors == 63) - && (blk_cfg.blk_size == 512); + && (virtio_get_block_size() == 512); } bool virtio_disk_is_eckd(void) { if (guessed_disk_nature) { - return (blk_cfg.blk_size == 4096); + return (virtio_get_block_size() == 4096); } return (blk_cfg.geometry.heads == 15) && (blk_cfg.geometry.sectors == 12) - && (blk_cfg.blk_size == 4096); + && (virtio_get_block_size() == 4096); } bool virtio_ipl_disk_is_valid(void) { - return blk_cfg.blk_size && (virtio_disk_is_scsi() || virtio_disk_is_eckd()); + return virtio_disk_is_scsi() || virtio_disk_is_eckd(); } int virtio_get_block_size(void) { - return blk_cfg.blk_size; + return blk_cfg.blk_size << blk_cfg.physical_block_exp; } uint16_t virtio_get_cylinders(void) |