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REQUEST SENSE now correctly delays the reporting of UNIT ATTENTION if another error is pending, unless the error is not ready and the REQUEST SENSE is a standalone command;

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The SCSI-specific auto-REQUEST SENSE now no longer advances UNIT ATTENTION phase, making sure the next command will report UNIT ATTENTION.
This commit is contained in:
OBattler
2017-01-21 03:03:46 +01:00
parent 6a396b4bcb
commit 1aa37bfc27
2 changed files with 9 additions and 9 deletions
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2
src/buslogic.c
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@@ -1637,7 +1637,7 @@ static void BuslogicSenseBufferFree(BuslogicRequests_t *BuslogicRequests, int Co
{
BuslogicLog("BuslogicSenseBufferFree(): Writing %i bytes at %08X\n", SenseLength, SenseBufferAddress);
DMAPageWrite(SenseBufferAddress, temp_sense, SenseLength);
BuslogicLog("First 8 bytes of written sense data: %02X %02X %02X\n", temp_sense[2], temp_sense[12], temp_sense[13]);
BuslogicLog("Sense data written to buffer: %02X %02X %02X\n", temp_sense[2], temp_sense[12], temp_sense[13]);
}
}
}

16
src/cdrom.c
View File

@@ -1590,7 +1590,7 @@ void cdrom_request_sense(uint8_t id, uint8_t *buffer, uint8_t alloc_length)
}
else
{
if (cdrom[id].unit_attention)
if (cdrom[id].unit_attention && (cdrom_sense_key == 0))
{
buffer[2]=SENSE_UNIT_ATTENTION;
buffer[12]=ASC_MEDIUM_MAY_HAVE_CHANGED;
@@ -1631,13 +1631,7 @@ void cdrom_request_sense_for_scsi(uint8_t id, uint8_t *buffer, uint8_t alloc_len
cdrom[id].unit_attention = 0;
}
/* If the UNIT ATTENTION condition is set and the command does not allow
execution under it, error out and report the condition. */
if (cdrom[id].unit_attention == 1)
{
// cdrom_log("CD-ROM %i: Unit attention now 2\n", id);
cdrom[id].unit_attention = 2;
}
/* Do *NOT* advance the unit attention phase. */
cdrom_request_sense(id, buffer, alloc_length);
}
@@ -1736,6 +1730,12 @@ void cdrom_command(uint8_t id, uint8_t *cdb)
break;
case GPCMD_REQUEST_SENSE:
/* If there's a unit attention condition and there's a buffered not ready, a standalone REQUEST SENSE
should forget about the not ready, and report unit attention straight away. */
if (cdrom[id].unit_attention && (cdrom_sense_key == 2))
{
cdrom_sense_key = cdrom_asc = cdrom_ascq = 0;
}
cdrom_request_sense(id, cdbufferb, cdb[4]);
cdrom_data_command_finish(id, 18, 18, cdb[4], 0);
break;