Daan De Meyer
2371c9e798
Add DISK_TYPE_SCSI_CD to support attaching disk images as CD-ROM drives, needed for testing El Torito ISO images built by systemd-repart. When --image-disk-type=scsi-cd is specified, the image is attached with media=cdrom and readonly=on on the drive, using scsi-cd as the device driver on the SCSI bus. This also works for --extra-drive= with the scsi-cd: prefix. The QEMU configuration matches the standard OVMF CD-ROM boot setup: -drive if=none,media=cdrom,format=raw,readonly=on -device virtio-scsi-pci -device scsi-cd When direct kernel booting with scsi-cd, if the kernel command line contains "rw", append "ro" to override it since CD-ROMs are read-only. Co-developed-by: Claude Opus 4.6 <noreply@anthropic.com>
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