---

yaml
---
r: 25823
b: refs/heads/master
c: b0d2364
h: refs/heads/master
i:
  25821: b11ba4d
  25819: e7b64a4
  25815: ba30076
  25807: c789ec9
  25791: f951c8b
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 441f987ca4cdca9c72aaf32fdd0d0ca9ebf46e94
+refs/heads/master: b0d2364887e94c880680f1e17943cd660bcf8979

trunk/drivers/scsi/aic7xxx/aic79xx.h

@@ -589,7 +589,7 @@ typedef enum {
 	SCB_PACKETIZED		= 0x00800,
 	SCB_EXPECT_PPR_BUSFREE	= 0x01000,
 	SCB_PKT_SENSE		= 0x02000,
-	SCB_CMDPHASE_ABORT	= 0x04000,
+	SCB_EXTERNAL_RESET	= 0x04000,/* Device was reset externally */
 	SCB_ON_COL_LIST		= 0x08000,
 	SCB_SILENT		= 0x10000 /*
 					   * Be quiet about transmission type

trunk/drivers/scsi/aic7xxx/aic79xx_core.c

@@ -1053,12 +1053,10 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat)
 			 * If a target takes us into the command phase
 			 * assume that it has been externally reset and
 			 * has thus lost our previous packetized negotiation
-			 * agreement.  Since we have not sent an identify
-			 * message and may not have fully qualified the
-			 * connection, we change our command to TUR, assert
-			 * ATN and ABORT the task when we go to message in
-			 * phase.  The OSM will see the REQUEUE_REQUEST
-			 * status and retry the command.
+			 * agreement.
+			 * Revert to async/narrow transfers until we
+			 * can renegotiate with the device and notify
+			 * the OSM about the reset.
 			 */
 			scbid = ahd_get_scbptr(ahd);
 			scb = ahd_lookup_scb(ahd, scbid);
@@ -1085,31 +1083,15 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat)
 			ahd_set_syncrate(ahd, &devinfo, /*period*/0,
 					 /*offset*/0, /*ppr_options*/0,
 					 AHD_TRANS_ACTIVE, /*paused*/TRUE);
-			ahd_outb(ahd, SCB_CDB_STORE, 0);
-			ahd_outb(ahd, SCB_CDB_STORE+1, 0);
-			ahd_outb(ahd, SCB_CDB_STORE+2, 0);
-			ahd_outb(ahd, SCB_CDB_STORE+3, 0);
-			ahd_outb(ahd, SCB_CDB_STORE+4, 0);
-			ahd_outb(ahd, SCB_CDB_STORE+5, 0);
-			ahd_outb(ahd, SCB_CDB_LEN, 6);
-			scb->hscb->control &= ~(TAG_ENB|SCB_TAG_TYPE);
-			scb->hscb->control |= MK_MESSAGE;
-			ahd_outb(ahd, SCB_CONTROL, scb->hscb->control);
-			ahd_outb(ahd, MSG_OUT, HOST_MSG);
-			ahd_outb(ahd, SAVED_SCSIID, scb->hscb->scsiid);
-			/*
-			 * The lun is 0, regardless of the SCB's lun
-			 * as we have not sent an identify message.
-			 */
-			ahd_outb(ahd, SAVED_LUN, 0);
-			ahd_outb(ahd, SEQ_FLAGS, 0);
-			ahd_assert_atn(ahd);
-			scb->flags &= ~SCB_PACKETIZED;
-			scb->flags |= SCB_ABORT|SCB_CMDPHASE_ABORT;
+			scb->flags |= SCB_EXTERNAL_RESET;
 			ahd_freeze_devq(ahd, scb);
 			ahd_set_transaction_status(scb, CAM_REQUEUE_REQ);
 			ahd_freeze_scb(scb);
 
+			/* Notify XPT */
+			ahd_send_async(ahd, devinfo.channel, devinfo.target,
+				       CAM_LUN_WILDCARD, AC_SENT_BDR, NULL);
+
 			/*
 			 * Allow the sequencer to continue with
 			 * non-pack processing.
@@ -2218,22 +2200,6 @@ ahd_handle_nonpkt_busfree(struct ahd_softc *ahd)
 			if (sent_msg == MSG_ABORT_TAG)
 				tag = SCB_GET_TAG(scb);
 
-			if ((scb->flags & SCB_CMDPHASE_ABORT) != 0) {
-				/*
-				 * This abort is in response to an
-				 * unexpected switch to command phase
-				 * for a packetized connection.  Since
-				 * the identify message was never sent,
-				 * "saved lun" is 0.  We really want to
-				 * abort only the SCB that encountered
-				 * this error, which could have a different
-				 * lun.  The SCB will be retried so the OS
-				 * will see the UA after renegotiating to
-				 * packetized.
-				 */
-				tag = SCB_GET_TAG(scb);
-				saved_lun = scb->hscb->lun;
-			}
 			found = ahd_abort_scbs(ahd, target, 'A', saved_lun,
 					       tag, ROLE_INITIATOR,
 					       CAM_REQ_ABORTED);