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scsi-disk: allow the MODE_PAGE_R_W_ERROR AWRE bit to be changeable for CDROM drives

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A/UX sends a MODE_PAGE_R_W_ERROR command with the AWRE bit set to 0 when enumerating
CDROM drives. Since the bit is currently hardcoded to 1 then indicate that the AWRE
bit can be changed (even though we don't care about the value) so that
the MODE_PAGE_R_W_ERROR page can be set successfully.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20220622105314.802852-12-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 11:53:11 +01:00 committed by Paolo Bonzini
parent 2724b90dfb
commit 4536fba00a
1 changed files with 4 additions and 0 deletions
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hw/scsi/scsi-disk.c
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@ -1188,6 +1188,10 @@ static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf,
case MODE_PAGE_R_W_ERROR: case MODE_PAGE_R_W_ERROR:
length = 10; length = 10;
if (page_control == 1) { /* Changeable Values */ if (page_control == 1) { /* Changeable Values */
if (s->qdev.type == TYPE_ROM) {
/* Automatic Write Reallocation Enabled */
p[0] = 0x80;
}
break; break;
} }
p[0] = 0x80; /* Automatic Write Reallocation Enabled */ p[0] = 0x80; /* Automatic Write Reallocation Enabled */