dev/sym/sym_hipd.c

952 #define	XE_EXTRA_DATA	(1)	/* unexpected data phase	 */
953 #define	XE_BAD_PHASE	(1<<1)	/* illegal phase (4/5)		 */
955 #define	XE_SODL_UNRUN	(1<<3)	/* ODD transfer in DATA OUT phase */
956 #define	XE_SWIDE_OVRUN	(1<<4)	/* ODD transfer in DATA IN phase */
2773 			printf("%s: handling phase mismatch from SCRIPTS.\n",
3218 	 *  and/or hardware phase mismatch, since only such chips
3227 	 *  If phase mismatch handled by scripts (895A/896/1010),
3757  *    When a parity error is detected in input phase
3758  *    and the device switches to msg-in phase inside a
3870 	 *  A SCSI parity error (PAR) may be combined with a phase
4096  *    without the device having changed phase.
4100  *  - A phase mismatch occurs before the MOV finished
4101  *    and phase errors are to be handled by the C code.
4105  *  - A phase mismatch occurs before the MOV finished and
4106  *    phase errors are to be handled by SCRIPTS.
4107  *    The chip will load the DSP with the phase mismatch
4118 	int phase	= cmd & 7;
4143 	if ((cmd & 0xc0) || !(phase & 1) || !(sbcl & 0x8))
4155 	np->msgout[0] = (phase == 7) ? M_PARITY : M_ID_ERROR;
4158 	 *  If the old phase was DATA IN phase, we have to deal with
4164 	if (phase == 1 || phase == 5) {
4171 		/* No phase mismatch occurred */
4186  *  chip exception handler for phase errors.
4223 	 *  INPUT phase since the chip flushes everything before
4225 	 *  For DATA IN phase, we will check for the SWIDE later.
4315 		printf ("%s: SCSI phase error fixup: CCB already dequeued.\n",
4344 	 *  If dt data phase, the MOVE instruction hasn't bit 4 of
4345 	 *  the phase.
4356 	 *  if old phase not dataphase, leave here.
4360 		printf ("phase change %x-%x %d@%08x resid=%d.\n",
4401 	 *  fillin the phase mismatch context
4461 	 *  Unexpected phase changes that occurs when the current phase
4462 	 *  is not a DATA IN or DATA OUT phase are due to error conditions.
4474 	 *  The code below does not care of the new phase and so
4476 	 *  If the interrupted phase is COMMAND phase, we restart at
4492 	case 2:	/* COMMAND phase */
4496 	case 3:	/* STATUS  phase */
4500 	case 6:	/* MSG OUT phase */
4523 	case 7:	/* MSG IN  phase */
5145 	 *  to BUS FREE phase as we expected.
5391 	 *  script address we want to return for the next data phase.
5428 	 *  ofs < 0 there, and for the next data phase, we
5579  *  If the target doesn't fetch the answer (no message out phase),
6018 	 *  The device didn't go to MSG OUT phase after having
6023 		printf ("%s:%d: No MSG OUT phase after selection with ATN.\n",
6027 	 *  The device didn't switch to MSG IN phase after
6031 		printf ("%s:%d: No MSG IN phase after reselection.\n",
6143 	 *  The device switched to an illegal phase (4/5).
7039 		printf ("illegal scsi phase (4/5).\n");
7043 		printf ("ODD transfer in DATA OUT phase.\n");
7047 		printf ("ODD transfer in DATA IN phase.\n");