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| author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2022-06-22 11:53:02 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-07-13 16:58:57 +0200 |
| commit | 09d37867627a86f23248c138f380bd38bada4073 (patch) | |
| tree | d7179914b08f3723937a3012b48b2c01f8239700 | |
| parent | 3412f9c3b41c3a98f85f81476d5542ac7662bb06 (diff) | |
| download | qemu-09d37867627a86f23248c138f380bd38bada4073.zip qemu-09d37867627a86f23248c138f380bd38bada4073.tar.gz qemu-09d37867627a86f23248c138f380bd38bada4073.tar.bz2 | |
scsi-disk: add MODE_PAGE_APPLE_VENDOR quirk for Macintosh
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>
| -rw-r--r-- | hw/scsi/scsi-disk.c | 17 | ||||
| -rw-r--r-- | include/hw/scsi/scsi.h | 3 | ||||
| -rw-r--r-- | include/scsi/constants.h | 1 |
3 files changed, 21 insertions, 0 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 55c19fb..2672730 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -1085,6 +1085,7 @@ static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf, [MODE_PAGE_R_W_ERROR] = (1 << TYPE_DISK) | (1 << TYPE_ROM), [MODE_PAGE_AUDIO_CTL] = (1 << TYPE_ROM), [MODE_PAGE_CAPABILITIES] = (1 << TYPE_ROM), + [MODE_PAGE_APPLE_VENDOR] = (1 << TYPE_ROM), }; uint8_t *p = *p_outbuf + 2; @@ -1229,6 +1230,20 @@ static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf, p[19] = (16 * 176) & 0xff; break; + case MODE_PAGE_APPLE_VENDOR: + if (s->quirks & (1 << SCSI_DISK_QUIRK_MODE_PAGE_APPLE_VENDOR)) { + length = 0x1e; + if (page_control == 1) { /* Changeable Values */ + break; + } + + memset(p, 0, length); + strcpy((char *)p + 8, "APPLE COMPUTER, INC "); + break; + } else { + return -1; + } + default: return -1; } @@ -3085,6 +3100,8 @@ static Property scsi_cd_properties[] = { DEFAULT_MAX_IO_SIZE), DEFINE_PROP_INT32("scsi_version", SCSIDiskState, qdev.default_scsi_version, 5), + DEFINE_PROP_BIT("quirk_mode_page_apple_vendor", SCSIDiskState, quirks, + SCSI_DISK_QUIRK_MODE_PAGE_APPLE_VENDOR, 0), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h index 1ffb367..e090ea1 100644 --- a/include/hw/scsi/scsi.h +++ b/include/hw/scsi/scsi.h @@ -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 diff --git a/include/scsi/constants.h b/include/scsi/constants.h index 2a32c08..891aa0f 100644 --- a/include/scsi/constants.h +++ b/include/scsi/constants.h @@ -234,6 +234,7 @@ #define MODE_PAGE_FAULT_FAIL 0x1c #define MODE_PAGE_TO_PROTECT 0x1d #define MODE_PAGE_CAPABILITIES 0x2a +#define MODE_PAGE_APPLE_VENDOR 0x30 #define MODE_PAGE_ALLS 0x3f /* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor * of MODE_PAGE_SENSE_POWER */ |