From 511d05f31824b375057ba8dea3f0343ce6e1c1e8 Mon Sep 17 00:00:00 2001 From: Thomas Huth Date: Fri, 8 Jul 2022 12:29:50 +0200 Subject: [PATCH 29/37] pc-bios/s390-ccw/virtio: Introduce a macro for the DASD block size RH-Author: Thomas Huth RH-MergeRequest: 198: pc-bios/s390-ccw: Fix boot from disks with 4k sectors that do not have the typical DASD geometry RH-Commit: [1/9] 1053101fd5fb591131c567ff98c7d92b63a9dfa9 RH-Bugzilla: 2098076 RH-Acked-by: Miroslav Rezanina RH-Acked-by: David Hildenbrand RH-Acked-by: Cornelia Huck Bugzilla: http://bugzilla.redhat.com/2098076 commit 1f2c2ee48e87ea743f8e23cc7569dd26c4cf9623 Author: Thomas Huth Date: Mon Jul 4 13:18:53 2022 +0200 pc-bios/s390-ccw/virtio: Introduce a macro for the DASD block size Use VIRTIO_DASD_DEFAULT_BLOCK_SIZE instead of the magic value 4096. Message-Id: <20220704111903.62400-3-thuth@redhat.com> Reviewed-by: Eric Farman Reviewed-by: Cornelia Huck Signed-off-by: Thomas Huth Signed-off-by: Thomas Huth --- pc-bios/s390-ccw/virtio-blkdev.c | 2 +- pc-bios/s390-ccw/virtio.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/pc-bios/s390-ccw/virtio-blkdev.c b/pc-bios/s390-ccw/virtio-blkdev.c index 7d35050292..6483307630 100644 --- a/pc-bios/s390-ccw/virtio-blkdev.c +++ b/pc-bios/s390-ccw/virtio-blkdev.c @@ -155,7 +155,7 @@ void virtio_assume_eckd(void) vdev->config.blk.physical_block_exp = 0; switch (vdev->senseid.cu_model) { case VIRTIO_ID_BLOCK: - vdev->config.blk.blk_size = 4096; + vdev->config.blk.blk_size = VIRTIO_DASD_DEFAULT_BLOCK_SIZE; break; case VIRTIO_ID_SCSI: vdev->config.blk.blk_size = vdev->scsi_block_size; diff --git a/pc-bios/s390-ccw/virtio.h b/pc-bios/s390-ccw/virtio.h index 19fceb6495..9e410bde6f 100644 --- a/pc-bios/s390-ccw/virtio.h +++ b/pc-bios/s390-ccw/virtio.h @@ -198,6 +198,7 @@ extern int virtio_read_many(ulong sector, void *load_addr, int sec_num); #define VIRTIO_SECTOR_SIZE 512 #define VIRTIO_ISO_BLOCK_SIZE 2048 #define VIRTIO_SCSI_BLOCK_SIZE 512 +#define VIRTIO_DASD_DEFAULT_BLOCK_SIZE 4096 static inline ulong virtio_sector_adjust(ulong sector) { -- 2.35.3