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scsi-disk: add MODE_PAGE_APPLE_VENDOR quirk for Macintosh

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One of the mechanisms MacOS uses to identify CDROM drives compatible with MacOS
is to send a custom MODE SELECT command for page 0x30 to the drive. The
response to this is a hard-coded manufacturer string which must match in order
for the CDROM to be usable within MacOS.

Add an implementation of the MODE SELECT page 0x30 response guarded by a newly
defined SCSI_DISK_QUIRK_MODE_PAGE_APPLE_VENDOR quirk bit so that CDROM drives
attached to non-Apple machines function exactly as before.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220622105314.802852-3-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Mark Cave-Ayland 2022-06-22 11:53:02 +01:00 • committed by Paolo Bonzini
parent 3412f9c3b4
commit 09d3786762
3 changed files with 21 additions and 0 deletions
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3
include/hw/scsi/scsi.h
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@ -226,4 +226,7 @@ SCSIDevice *scsi_device_get(SCSIBus *bus, int channel, int target, int lun);
/* scsi-generic.c. */
extern const SCSIReqOps scsi_generic_req_ops;
/* scsi-disk.c */
#define SCSI_DISK_QUIRK_MODE_PAGE_APPLE_VENDOR 0
#endif