Lines Matching +full:sense +full:- +full:mode
1 // SPDX-License-Identifier: GPL-2.0
10 #define KMSG_COMPONENT "dasd-eckd"
34 * 24 and 32 byte sense ERP functions
55 struct dasd_ccw_req *cqr = erp->refers; in dasd_3990_erp_cleanup()
57 dasd_free_erp_request(erp, erp->memdev); in dasd_3990_erp_cleanup()
58 cqr->status = final_status; in dasd_3990_erp_cleanup()
74 struct dasd_device *device = erp->startdev; in dasd_3990_erp_block_queue()
80 spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags); in dasd_3990_erp_block_queue()
82 spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags); in dasd_3990_erp_block_queue()
83 erp->status = DASD_CQR_FILLED; in dasd_3990_erp_block_queue()
84 if (erp->block) in dasd_3990_erp_block_queue()
85 dasd_block_set_timer(erp->block, expires); in dasd_3990_erp_block_queue()
106 struct dasd_device *device = erp->startdev; in dasd_3990_erp_int_req()
111 if (erp->function != dasd_3990_erp_int_req) { in dasd_3990_erp_int_req()
113 erp->retries = 256; in dasd_3990_erp_int_req()
114 erp->function = dasd_3990_erp_int_req; in dasd_3990_erp_int_req()
119 dev_err(&device->cdev->dev, in dasd_3990_erp_int_req()
120 "is offline or not installed - " in dasd_3990_erp_int_req()
147 struct dasd_device *device = erp->startdev; in dasd_3990_erp_alternate_path()
152 spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags); in dasd_3990_erp_alternate_path()
153 opm = ccw_device_get_path_mask(device->cdev); in dasd_3990_erp_alternate_path()
154 spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags); in dasd_3990_erp_alternate_path()
155 if (erp->lpm == 0) in dasd_3990_erp_alternate_path()
156 erp->lpm = dasd_path_get_opm(device) & in dasd_3990_erp_alternate_path()
157 ~(erp->irb.esw.esw0.sublog.lpum); in dasd_3990_erp_alternate_path()
159 erp->lpm &= ~(erp->irb.esw.esw0.sublog.lpum); in dasd_3990_erp_alternate_path()
161 if ((erp->lpm & opm) != 0x00) { in dasd_3990_erp_alternate_path()
165 erp->lpm, erp->irb.esw.esw0.sublog.lpum, opm); in dasd_3990_erp_alternate_path()
168 erp->status = DASD_CQR_FILLED; in dasd_3990_erp_alternate_path()
169 erp->retries = 10; in dasd_3990_erp_alternate_path()
171 dev_err(&device->cdev->dev, in dasd_3990_erp_alternate_path()
173 "/opm=%x)\n", erp->irb.esw.esw0.sublog.lpum, opm); in dasd_3990_erp_alternate_path()
176 erp->status = DASD_CQR_FAILED; in dasd_3990_erp_alternate_path()
199 struct dasd_device *device = erp->startdev; in dasd_3990_erp_DCTL()
204 dctl_cqr = dasd_alloc_erp_request((char *) &erp->magic, 1, in dasd_3990_erp_DCTL()
208 dev_err(&device->cdev->dev, in dasd_3990_erp_DCTL()
209 "Unable to allocate DCTL-CQR\n"); in dasd_3990_erp_DCTL()
210 erp->status = DASD_CQR_FAILED; in dasd_3990_erp_DCTL()
214 DCTL_data = dctl_cqr->data; in dasd_3990_erp_DCTL()
216 DCTL_data->subcommand = 0x02; /* Inhibit Write */ in dasd_3990_erp_DCTL()
217 DCTL_data->modifier = modifier; in dasd_3990_erp_DCTL()
219 ccw = dctl_cqr->cpaddr; in dasd_3990_erp_DCTL()
221 ccw->cmd_code = CCW_CMD_DCTL; in dasd_3990_erp_DCTL()
222 ccw->count = 4; in dasd_3990_erp_DCTL()
223 ccw->cda = (__u32)(addr_t) DCTL_data; in dasd_3990_erp_DCTL()
224 dctl_cqr->flags = erp->flags; in dasd_3990_erp_DCTL()
225 dctl_cqr->function = dasd_3990_erp_DCTL; in dasd_3990_erp_DCTL()
226 dctl_cqr->refers = erp; in dasd_3990_erp_DCTL()
227 dctl_cqr->startdev = device; in dasd_3990_erp_DCTL()
228 dctl_cqr->memdev = device; in dasd_3990_erp_DCTL()
229 dctl_cqr->magic = erp->magic; in dasd_3990_erp_DCTL()
230 dctl_cqr->expires = 5 * 60 * HZ; in dasd_3990_erp_DCTL()
231 dctl_cqr->retries = 2; in dasd_3990_erp_DCTL()
233 dctl_cqr->buildclk = get_tod_clock(); in dasd_3990_erp_DCTL()
235 dctl_cqr->status = DASD_CQR_FILLED; in dasd_3990_erp_DCTL()
264 erp->function = dasd_3990_erp_action_1_sec; in dasd_3990_erp_action_1_sec()
271 erp->function = dasd_3990_erp_action_1; in dasd_3990_erp_action_1()
273 if (erp->status == DASD_CQR_FAILED && in dasd_3990_erp_action_1()
274 !test_bit(DASD_CQR_VERIFY_PATH, &erp->flags)) { in dasd_3990_erp_action_1()
275 erp->status = DASD_CQR_FILLED; in dasd_3990_erp_action_1()
276 erp->retries = 10; in dasd_3990_erp_action_1()
277 erp->lpm = dasd_path_get_opm(erp->startdev); in dasd_3990_erp_action_1()
278 erp->function = dasd_3990_erp_action_1_sec; in dasd_3990_erp_action_1()
294 * sense sense data of the actual error
302 dasd_3990_erp_action_4(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_action_4() argument
305 struct dasd_device *device = erp->startdev; in dasd_3990_erp_action_4()
310 if (erp->function != dasd_3990_erp_action_4) { in dasd_3990_erp_action_4()
315 erp->retries = 256; in dasd_3990_erp_action_4()
316 erp->function = dasd_3990_erp_action_4; in dasd_3990_erp_action_4()
319 if (sense && (sense[25] == 0x1D)) { /* state change pending */ in dasd_3990_erp_action_4()
324 erp->retries); in dasd_3990_erp_action_4()
328 } else if (sense && (sense[25] == 0x1E)) { /* busy */ in dasd_3990_erp_action_4()
330 "busy - redriving request later, " in dasd_3990_erp_action_4()
332 erp->retries); in dasd_3990_erp_action_4()
335 /* no state change pending - retry */ in dasd_3990_erp_action_4()
339 erp->retries); in dasd_3990_erp_action_4()
340 erp->status = DASD_CQR_FILLED; in dasd_3990_erp_action_4()
350 * 24 byte sense ERP functions (only)
373 erp->retries = 10; in dasd_3990_erp_action_5()
374 erp->function = dasd_3990_erp_action_5; in dasd_3990_erp_action_5()
385 * Does a analysis of the sense data (message Format)
389 * sense current sense data
395 dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense) in dasd_3990_handle_env_data() argument
398 struct dasd_device *device = erp->startdev; in dasd_3990_handle_env_data()
399 char msg_format = (sense[7] & 0xF0); in dasd_3990_handle_env_data()
400 char msg_no = (sense[7] & 0x0F); in dasd_3990_handle_env_data()
404 case 0x00: /* Format 0 - Program or System Checks */ in dasd_3990_handle_env_data()
406 if (sense[1] & 0x10) { /* check message to operator bit */ in dasd_3990_handle_env_data()
412 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
413 "FORMAT 0 - Invalid Command\n"); in dasd_3990_handle_env_data()
416 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
417 "FORMAT 0 - Invalid Command " in dasd_3990_handle_env_data()
421 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
422 "FORMAT 0 - CCW Count less than " in dasd_3990_handle_env_data()
426 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
427 "FORMAT 0 - Invalid Parameter\n"); in dasd_3990_handle_env_data()
430 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
431 "FORMAT 0 - Diagnostic of Special" in dasd_3990_handle_env_data()
435 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
436 "FORMAT 0 - Channel Returned with " in dasd_3990_handle_env_data()
440 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
441 "FORMAT 0 - Reset Notification\n"); in dasd_3990_handle_env_data()
444 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
445 "FORMAT 0 - Storage Path Restart\n"); in dasd_3990_handle_env_data()
448 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
449 "FORMAT 0 - Channel requested " in dasd_3990_handle_env_data()
450 "... %02x\n", sense[8]); in dasd_3990_handle_env_data()
453 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
454 "FORMAT 0 - Invalid Defective/" in dasd_3990_handle_env_data()
458 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
459 "FORMAT 0 - DPS Installation " in dasd_3990_handle_env_data()
463 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
464 "FORMAT 0 - Command Invalid on " in dasd_3990_handle_env_data()
468 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
469 "FORMAT 0 - Status Not As " in dasd_3990_handle_env_data()
471 sense[8]); in dasd_3990_handle_env_data()
474 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
475 "FORMAT 0 - Reserved\n"); in dasd_3990_handle_env_data()
482 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
483 "FORMAT 0 - Device Error " in dasd_3990_handle_env_data()
487 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
488 "FORMAT 0 - Reserved\n"); in dasd_3990_handle_env_data()
491 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
492 "FORMAT 0 - Device Fenced - " in dasd_3990_handle_env_data()
493 "device = %02x\n", sense[4]); in dasd_3990_handle_env_data()
496 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
497 "FORMAT 0 - Data Pinned for " in dasd_3990_handle_env_data()
501 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
502 "FORMAT 0 - Reserved\n"); in dasd_3990_handle_env_data()
507 case 0x10: /* Format 1 - Device Equipment Checks */ in dasd_3990_handle_env_data()
512 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
513 "FORMAT 1 - Device Status 1 not as " in dasd_3990_handle_env_data()
517 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
518 "FORMAT 1 - Index missing\n"); in dasd_3990_handle_env_data()
521 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
522 "FORMAT 1 - Interruption cannot be " in dasd_3990_handle_env_data()
526 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
527 "FORMAT 1 - Device did not respond to " in dasd_3990_handle_env_data()
531 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
532 "FORMAT 1 - Device check-2 error or Set " in dasd_3990_handle_env_data()
536 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
537 "FORMAT 1 - Head address does not " in dasd_3990_handle_env_data()
541 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
542 "FORMAT 1 - Device status 1 not valid\n"); in dasd_3990_handle_env_data()
545 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
546 "FORMAT 1 - Device not ready\n"); in dasd_3990_handle_env_data()
549 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
550 "FORMAT 1 - Track physical address did " in dasd_3990_handle_env_data()
554 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
555 "FORMAT 1 - Missing device address bit\n"); in dasd_3990_handle_env_data()
558 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
559 "FORMAT 1 - Drive motor switch is off\n"); in dasd_3990_handle_env_data()
562 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
563 "FORMAT 1 - Seek incomplete\n"); in dasd_3990_handle_env_data()
566 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
567 "FORMAT 1 - Cylinder address did not " in dasd_3990_handle_env_data()
571 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
572 "FORMAT 1 - Offset active cannot be " in dasd_3990_handle_env_data()
576 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
577 "FORMAT 1 - Reserved\n"); in dasd_3990_handle_env_data()
581 case 0x20: /* Format 2 - 3990 Equipment Checks */ in dasd_3990_handle_env_data()
584 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
585 "FORMAT 2 - 3990 check-2 error\n"); in dasd_3990_handle_env_data()
588 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
589 "FORMAT 2 - Support facility errors\n"); in dasd_3990_handle_env_data()
592 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
593 "FORMAT 2 - Microcode detected error " in dasd_3990_handle_env_data()
595 sense[8]); in dasd_3990_handle_env_data()
598 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
599 "FORMAT 2 - Reserved\n"); in dasd_3990_handle_env_data()
603 case 0x30: /* Format 3 - 3990 Control Checks */ in dasd_3990_handle_env_data()
606 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
607 "FORMAT 3 - Allegiance terminated\n"); in dasd_3990_handle_env_data()
610 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
611 "FORMAT 3 - Reserved\n"); in dasd_3990_handle_env_data()
615 case 0x40: /* Format 4 - Data Checks */ in dasd_3990_handle_env_data()
618 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
619 "FORMAT 4 - Home address area error\n"); in dasd_3990_handle_env_data()
622 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
623 "FORMAT 4 - Count area error\n"); in dasd_3990_handle_env_data()
626 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
627 "FORMAT 4 - Key area error\n"); in dasd_3990_handle_env_data()
630 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
631 "FORMAT 4 - Data area error\n"); in dasd_3990_handle_env_data()
634 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
635 "FORMAT 4 - No sync byte in home address " in dasd_3990_handle_env_data()
639 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
640 "FORMAT 4 - No sync byte in count address " in dasd_3990_handle_env_data()
644 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
645 "FORMAT 4 - No sync byte in key area\n"); in dasd_3990_handle_env_data()
648 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
649 "FORMAT 4 - No sync byte in data area\n"); in dasd_3990_handle_env_data()
652 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
653 "FORMAT 4 - Home address area error; " in dasd_3990_handle_env_data()
657 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
658 "FORMAT 4 - Count area error; offset " in dasd_3990_handle_env_data()
662 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
663 "FORMAT 4 - Key area error; offset " in dasd_3990_handle_env_data()
667 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
668 "FORMAT 4 - Data area error; " in dasd_3990_handle_env_data()
672 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
673 "FORMAT 4 - No sync byte in home " in dasd_3990_handle_env_data()
677 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
678 "FORMAT 4 - No sync byte in count " in dasd_3990_handle_env_data()
682 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
683 "FORMAT 4 - No sync byte in key area; " in dasd_3990_handle_env_data()
687 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
688 "FORMAT 4 - No sync byte in data area; " in dasd_3990_handle_env_data()
692 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
693 "FORMAT 4 - Reserved\n"); in dasd_3990_handle_env_data()
697 case 0x50: /* Format 5 - Data Check with displacement information */ in dasd_3990_handle_env_data()
700 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
701 "FORMAT 5 - Data Check in the " in dasd_3990_handle_env_data()
705 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
706 "FORMAT 5 - Data Check in the count " in dasd_3990_handle_env_data()
710 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
711 "FORMAT 5 - Data Check in the key area\n"); in dasd_3990_handle_env_data()
714 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
715 "FORMAT 5 - Data Check in the data " in dasd_3990_handle_env_data()
719 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
720 "FORMAT 5 - Data Check in the " in dasd_3990_handle_env_data()
724 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
725 "FORMAT 5 - Data Check in the count area; " in dasd_3990_handle_env_data()
729 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
730 "FORMAT 5 - Data Check in the key area; " in dasd_3990_handle_env_data()
734 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
735 "FORMAT 5 - Data Check in the data area; " in dasd_3990_handle_env_data()
739 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
740 "FORMAT 5 - Reserved\n"); in dasd_3990_handle_env_data()
744 case 0x60: /* Format 6 - Usage Statistics/Overrun Errors */ in dasd_3990_handle_env_data()
747 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
748 "FORMAT 6 - Overrun on channel A\n"); in dasd_3990_handle_env_data()
751 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
752 "FORMAT 6 - Overrun on channel B\n"); in dasd_3990_handle_env_data()
755 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
756 "FORMAT 6 - Overrun on channel C\n"); in dasd_3990_handle_env_data()
759 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
760 "FORMAT 6 - Overrun on channel D\n"); in dasd_3990_handle_env_data()
763 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
764 "FORMAT 6 - Overrun on channel E\n"); in dasd_3990_handle_env_data()
767 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
768 "FORMAT 6 - Overrun on channel F\n"); in dasd_3990_handle_env_data()
771 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
772 "FORMAT 6 - Overrun on channel G\n"); in dasd_3990_handle_env_data()
775 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
776 "FORMAT 6 - Overrun on channel H\n"); in dasd_3990_handle_env_data()
779 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
780 "FORMAT 6 - Reserved\n"); in dasd_3990_handle_env_data()
784 case 0x70: /* Format 7 - Device Connection Control Checks */ in dasd_3990_handle_env_data()
787 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
788 "FORMAT 7 - RCC initiated by a connection " in dasd_3990_handle_env_data()
792 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
793 "FORMAT 7 - RCC 1 sequence not " in dasd_3990_handle_env_data()
797 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
798 "FORMAT 7 - RCC 1 and RCC 2 sequences not " in dasd_3990_handle_env_data()
802 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
803 "FORMAT 7 - Invalid tag-in during " in dasd_3990_handle_env_data()
807 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
808 "FORMAT 7 - extra RCC required\n"); in dasd_3990_handle_env_data()
811 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
812 "FORMAT 7 - Invalid DCC selection " in dasd_3990_handle_env_data()
816 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
817 "FORMAT 7 - Missing end operation; device " in dasd_3990_handle_env_data()
821 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
822 "FORMAT 7 - Missing end operation; device " in dasd_3990_handle_env_data()
826 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
827 "FORMAT 7 - Invalid tag-in for an " in dasd_3990_handle_env_data()
831 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
832 "FORMAT 7 - Invalid tag-in for an " in dasd_3990_handle_env_data()
836 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
837 "FORMAT 7 - 3990 microcode time out when " in dasd_3990_handle_env_data()
841 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
842 "FORMAT 7 - No response to selection " in dasd_3990_handle_env_data()
846 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
847 "FORMAT 7 - Permanent path error (DASD " in dasd_3990_handle_env_data()
851 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
852 "FORMAT 7 - DASD controller not available" in dasd_3990_handle_env_data()
856 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
857 "FORMAT 7 - Reserved\n"); in dasd_3990_handle_env_data()
861 case 0x80: /* Format 8 - Additional Device Equipment Checks */ in dasd_3990_handle_env_data()
865 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
866 "FORMAT 8 - Error correction code " in dasd_3990_handle_env_data()
870 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
871 "FORMAT 8 - Unexpected end operation " in dasd_3990_handle_env_data()
875 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
876 "FORMAT 8 - End operation with transfer " in dasd_3990_handle_env_data()
880 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
881 "FORMAT 8 - End operation with transfer " in dasd_3990_handle_env_data()
885 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
886 "FORMAT 8 - DPS checks after a system " in dasd_3990_handle_env_data()
890 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
891 "FORMAT 8 - DPS cannot be filled\n"); in dasd_3990_handle_env_data()
894 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
895 "FORMAT 8 - Short busy time-out during " in dasd_3990_handle_env_data()
899 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
900 "FORMAT 8 - DASD controller failed to " in dasd_3990_handle_env_data()
904 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
905 "FORMAT 8 - No interruption from device " in dasd_3990_handle_env_data()
909 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
910 "FORMAT 8 - Reserved\n"); in dasd_3990_handle_env_data()
914 case 0x90: /* Format 9 - Device Read, Write, and Seek Checks */ in dasd_3990_handle_env_data()
919 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
920 "FORMAT 9 - Device check-2 error\n"); in dasd_3990_handle_env_data()
923 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
924 "FORMAT 9 - Head address did not " in dasd_3990_handle_env_data()
928 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
929 "FORMAT 9 - Track physical address did " in dasd_3990_handle_env_data()
933 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
934 "FORMAT 9 - Cylinder address did not " in dasd_3990_handle_env_data()
938 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
939 "FORMAT 9 - Reserved\n"); in dasd_3990_handle_env_data()
943 case 0xF0: /* Format F - Cache Storage Checks */ in dasd_3990_handle_env_data()
946 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
947 "FORMAT F - Operation Terminated\n"); in dasd_3990_handle_env_data()
950 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
951 "FORMAT F - Subsystem Processing Error\n"); in dasd_3990_handle_env_data()
954 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
955 "FORMAT F - Cache or nonvolatile storage " in dasd_3990_handle_env_data()
959 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
960 "FORMAT F - Caching terminated\n"); in dasd_3990_handle_env_data()
963 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
964 "FORMAT F - Cache fast write access not " in dasd_3990_handle_env_data()
968 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
969 "FORMAT F - Track format incorrect\n"); in dasd_3990_handle_env_data()
972 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
973 "FORMAT F - Caching reinitiated\n"); in dasd_3990_handle_env_data()
976 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
977 "FORMAT F - Nonvolatile storage " in dasd_3990_handle_env_data()
981 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
982 "FORMAT F - Volume is suspended duplex\n"); in dasd_3990_handle_env_data()
984 dasd_eer_write(device, erp->refers, in dasd_3990_handle_env_data()
988 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
989 "FORMAT F - Subsystem status cannot be " in dasd_3990_handle_env_data()
993 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
994 "FORMAT F - Caching status reset to " in dasd_3990_handle_env_data()
998 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
999 "FORMAT F - DASD Fast Write inhibited\n"); in dasd_3990_handle_env_data()
1002 dev_warn(&device->cdev->dev, in dasd_3990_handle_env_data()
1003 "FORMAT F - Reserved\n"); in dasd_3990_handle_env_data()
1007 default: /* unknown message format - should not happen in dasd_3990_handle_env_data()
1008 internal error 03 - unknown message format */ in dasd_3990_handle_env_data()
1010 dev_err(&device->cdev->dev, in dasd_3990_handle_env_data()
1026 * sense current sense data
1029 * erp 'new' erp_head - pointer to new ERP
1032 dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_com_rej() argument
1035 struct dasd_device *device = erp->startdev; in dasd_3990_erp_com_rej()
1037 erp->function = dasd_3990_erp_com_rej; in dasd_3990_erp_com_rej()
1039 /* env data present (ACTION 10 - retry should work) */ in dasd_3990_erp_com_rej()
1040 if (sense[2] & SNS2_ENV_DATA_PRESENT) { in dasd_3990_erp_com_rej()
1043 "Command Reject - environmental data present"); in dasd_3990_erp_com_rej()
1045 dasd_3990_handle_env_data(erp, sense); in dasd_3990_erp_com_rej()
1047 erp->retries = 5; in dasd_3990_erp_com_rej()
1049 } else if (sense[1] & SNS1_WRITE_INHIBITED) { in dasd_3990_erp_com_rej()
1050 dev_err(&device->cdev->dev, "An I/O request was rejected" in dasd_3990_erp_com_rej()
1054 /* fatal error - set status to FAILED in dasd_3990_erp_com_rej()
1055 internal error 09 - Command Reject */ in dasd_3990_erp_com_rej()
1056 if (!test_bit(DASD_CQR_SUPPRESS_CR, &erp->flags)) in dasd_3990_erp_com_rej()
1057 dev_err(&device->cdev->dev, in dasd_3990_erp_com_rej()
1076 * erp new erp_head - pointer to new ERP
1082 struct dasd_device *device = erp->startdev; in dasd_3990_erp_bus_out()
1087 if (erp->function != dasd_3990_erp_bus_out) { in dasd_3990_erp_bus_out()
1088 erp->retries = 256; in dasd_3990_erp_bus_out()
1089 erp->function = dasd_3990_erp_bus_out; in dasd_3990_erp_bus_out()
1115 * erp new erp_head - pointer to new ERP
1118 dasd_3990_erp_equip_check(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_equip_check() argument
1121 struct dasd_device *device = erp->startdev; in dasd_3990_erp_equip_check()
1123 erp->function = dasd_3990_erp_equip_check; in dasd_3990_erp_equip_check()
1125 if (sense[1] & SNS1_WRITE_INHIBITED) { in dasd_3990_erp_equip_check()
1126 dev_info(&device->cdev->dev, in dasd_3990_erp_equip_check()
1130 internal error 04 - Path should be varied off-line.*/ in dasd_3990_erp_equip_check()
1131 dev_err(&device->cdev->dev, "An error occurred in the DASD " in dasd_3990_erp_equip_check()
1136 } else if (sense[2] & SNS2_ENV_DATA_PRESENT) { in dasd_3990_erp_equip_check()
1139 "Equipment Check - " "environmental data present"); in dasd_3990_erp_equip_check()
1141 dasd_3990_handle_env_data(erp, sense); in dasd_3990_erp_equip_check()
1143 erp = dasd_3990_erp_action_4(erp, sense); in dasd_3990_erp_equip_check()
1145 } else if (sense[1] & SNS1_PERM_ERR) { in dasd_3990_erp_equip_check()
1148 "Equipment Check - retry exhausted or " in dasd_3990_erp_equip_check()
1154 /* all other equipment checks - Action 5 */ in dasd_3990_erp_equip_check()
1174 * erp new erp_head - pointer to new ERP
1177 dasd_3990_erp_data_check(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_data_check() argument
1180 struct dasd_device *device = erp->startdev; in dasd_3990_erp_data_check()
1182 erp->function = dasd_3990_erp_data_check; in dasd_3990_erp_data_check()
1184 if (sense[2] & SNS2_CORRECTABLE) { /* correctable data check */ in dasd_3990_erp_data_check()
1187 dev_emerg(&device->cdev->dev, in dasd_3990_erp_data_check()
1189 "fetch mode active\n"); in dasd_3990_erp_data_check()
1195 } else if (sense[2] & SNS2_ENV_DATA_PRESENT) { in dasd_3990_erp_data_check()
1201 erp = dasd_3990_erp_action_4(erp, sense); in dasd_3990_erp_data_check()
1203 } else if (sense[1] & SNS1_PERM_ERR) { in dasd_3990_erp_data_check()
1233 * erp new erp_head - pointer to new ERP
1236 dasd_3990_erp_overrun(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_overrun() argument
1239 struct dasd_device *device = erp->startdev; in dasd_3990_erp_overrun()
1241 erp->function = dasd_3990_erp_overrun; in dasd_3990_erp_overrun()
1244 "Overrun - service overrun or overrun" in dasd_3990_erp_overrun()
1262 * erp new erp_head - pointer to new ERP
1265 dasd_3990_erp_inv_format(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_inv_format() argument
1268 struct dasd_device *device = erp->startdev; in dasd_3990_erp_inv_format()
1270 erp->function = dasd_3990_erp_inv_format; in dasd_3990_erp_inv_format()
1272 if (sense[2] & SNS2_ENV_DATA_PRESENT) { in dasd_3990_erp_inv_format()
1278 dasd_3990_handle_env_data(erp, sense); in dasd_3990_erp_inv_format()
1280 erp = dasd_3990_erp_action_4(erp, sense); in dasd_3990_erp_inv_format()
1283 /* internal error 06 - The track format is not valid*/ in dasd_3990_erp_inv_format()
1284 dev_err(&device->cdev->dev, in dasd_3990_erp_inv_format()
1299 * Handles 24 byte 'End-of-Cylinder' error.
1307 dasd_3990_erp_EOC(struct dasd_ccw_req * default_erp, char *sense) in dasd_3990_erp_EOC() argument
1310 struct dasd_device *device = default_erp->startdev; in dasd_3990_erp_EOC()
1312 dev_err(&device->cdev->dev, in dasd_3990_erp_EOC()
1315 /* implement action 7 - BUG */ in dasd_3990_erp_EOC()
1324 * Handles 24 byte 'Environmental-Data Present' error.
1329 * erp new erp_head - pointer to new ERP
1332 dasd_3990_erp_env_data(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_env_data() argument
1335 struct dasd_device *device = erp->startdev; in dasd_3990_erp_env_data()
1337 erp->function = dasd_3990_erp_env_data; in dasd_3990_erp_env_data()
1341 dasd_3990_handle_env_data(erp, sense); in dasd_3990_erp_env_data()
1344 if (sense[7] != 0x0F) { in dasd_3990_erp_env_data()
1345 erp = dasd_3990_erp_action_4(erp, sense); in dasd_3990_erp_env_data()
1347 erp->status = DASD_CQR_FILLED; in dasd_3990_erp_env_data()
1364 * erp new erp_head - pointer to new ERP
1367 dasd_3990_erp_no_rec(struct dasd_ccw_req * default_erp, char *sense) in dasd_3990_erp_no_rec() argument
1370 struct dasd_device *device = default_erp->startdev; in dasd_3990_erp_no_rec()
1377 if (!test_bit(DASD_CQR_SUPPRESS_NRF, &default_erp->flags)) in dasd_3990_erp_no_rec()
1378 dev_err(&device->cdev->dev, in dasd_3990_erp_no_rec()
1396 * erp new erp_head - pointer to new ERP
1402 struct dasd_device *device = erp->startdev; in dasd_3990_erp_file_prot()
1409 if (!test_bit(DASD_CQR_SUPPRESS_FP, &erp->flags)) in dasd_3990_erp_file_prot()
1410 dev_err(&device->cdev->dev, in dasd_3990_erp_file_prot()
1435 struct dasd_ccw_req *cqr = erp->refers; in dasd_3990_erp_inspect_alias()
1436 char *sense; in dasd_3990_erp_inspect_alias() local
1438 if (cqr->block && in dasd_3990_erp_inspect_alias()
1439 (cqr->block->base != cqr->startdev)) { in dasd_3990_erp_inspect_alias()
1441 sense = dasd_get_sense(&erp->refers->irb); in dasd_3990_erp_inspect_alias()
1445 if (!test_bit(DASD_FLAG_OFFLINE, &cqr->startdev->flags) && sense in dasd_3990_erp_inspect_alias()
1446 && (sense[0] == 0x10) && (sense[7] == 0x0F) in dasd_3990_erp_inspect_alias()
1447 && (sense[8] == 0x67)) { in dasd_3990_erp_inspect_alias()
1453 dasd_alias_remove_device(cqr->startdev); in dasd_3990_erp_inspect_alias()
1456 dasd_reload_device(cqr->startdev); in dasd_3990_erp_inspect_alias()
1459 if (cqr->startdev->features & DASD_FEATURE_ERPLOG) { in dasd_3990_erp_inspect_alias()
1460 DBF_DEV_EVENT(DBF_ERR, cqr->startdev, in dasd_3990_erp_inspect_alias()
1463 dev_name(&cqr->block->base->cdev->dev)); in dasd_3990_erp_inspect_alias()
1466 erp->startdev = cqr->block->base; in dasd_3990_erp_inspect_alias()
1467 erp->function = dasd_3990_erp_inspect_alias; in dasd_3990_erp_inspect_alias()
1478 * Does a detailed inspection of the 24 byte sense data
1482 * sense sense data of the actual error
1489 dasd_3990_erp_inspect_24(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_inspect_24() argument
1494 /* Check sense for .... */ in dasd_3990_erp_inspect_24()
1496 if ((erp_filled == NULL) && (sense[0] & SNS0_CMD_REJECT)) { in dasd_3990_erp_inspect_24()
1497 erp_filled = dasd_3990_erp_com_rej(erp, sense); in dasd_3990_erp_inspect_24()
1500 if ((erp_filled == NULL) && (sense[0] & SNS0_INTERVENTION_REQ)) { in dasd_3990_erp_inspect_24()
1504 if ((erp_filled == NULL) && (sense[0] & SNS0_BUS_OUT_CHECK)) { in dasd_3990_erp_inspect_24()
1508 if ((erp_filled == NULL) && (sense[0] & SNS0_EQUIPMENT_CHECK)) { in dasd_3990_erp_inspect_24()
1509 erp_filled = dasd_3990_erp_equip_check(erp, sense); in dasd_3990_erp_inspect_24()
1512 if ((erp_filled == NULL) && (sense[0] & SNS0_DATA_CHECK)) { in dasd_3990_erp_inspect_24()
1513 erp_filled = dasd_3990_erp_data_check(erp, sense); in dasd_3990_erp_inspect_24()
1516 if ((erp_filled == NULL) && (sense[0] & SNS0_OVERRUN)) { in dasd_3990_erp_inspect_24()
1517 erp_filled = dasd_3990_erp_overrun(erp, sense); in dasd_3990_erp_inspect_24()
1520 if ((erp_filled == NULL) && (sense[1] & SNS1_INV_TRACK_FORMAT)) { in dasd_3990_erp_inspect_24()
1521 erp_filled = dasd_3990_erp_inv_format(erp, sense); in dasd_3990_erp_inspect_24()
1523 /* 'End-of-Cylinder' */ in dasd_3990_erp_inspect_24()
1524 if ((erp_filled == NULL) && (sense[1] & SNS1_EOC)) { in dasd_3990_erp_inspect_24()
1525 erp_filled = dasd_3990_erp_EOC(erp, sense); in dasd_3990_erp_inspect_24()
1528 if ((erp_filled == NULL) && (sense[2] & SNS2_ENV_DATA_PRESENT)) { in dasd_3990_erp_inspect_24()
1529 erp_filled = dasd_3990_erp_env_data(erp, sense); in dasd_3990_erp_inspect_24()
1532 if ((erp_filled == NULL) && (sense[1] & SNS1_NO_REC_FOUND)) { in dasd_3990_erp_inspect_24()
1533 erp_filled = dasd_3990_erp_no_rec(erp, sense); in dasd_3990_erp_inspect_24()
1536 if ((erp_filled == NULL) && (sense[1] & SNS1_FILE_PROTECTED)) { in dasd_3990_erp_inspect_24()
1539 /* other (unknown) error - do default ERP */ in dasd_3990_erp_inspect_24()
1551 * 32 byte sense ERP functions (only)
1564 * sense current sense data
1569 dasd_3990_erp_action_10_32(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_action_10_32() argument
1572 struct dasd_device *device = erp->startdev; in dasd_3990_erp_action_10_32()
1574 erp->retries = 256; in dasd_3990_erp_action_10_32()
1575 erp->function = dasd_3990_erp_action_10_32; in dasd_3990_erp_action_10_32()
1596 * sense current sense data
1603 dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense) in dasd_3990_erp_action_1B_32() argument
1606 struct dasd_device *device = default_erp->startdev; in dasd_3990_erp_action_1B_32()
1618 default_erp->function = dasd_3990_erp_action_1B_32; in dasd_3990_erp_action_1B_32()
1623 while (cqr->refers != NULL) { in dasd_3990_erp_action_1B_32()
1624 cqr = cqr->refers; in dasd_3990_erp_action_1B_32()
1627 if (scsw_is_tm(&cqr->irb.scsw)) { in dasd_3990_erp_action_1B_32()
1629 "32 bit sense, action 1B is not defined" in dasd_3990_erp_action_1B_32()
1630 " in transport mode - just retry"); in dasd_3990_erp_action_1B_32()
1635 if (sense[1] & 0x01) { in dasd_3990_erp_action_1B_32()
1637 "Imprecise ending is set - just retry"); in dasd_3990_erp_action_1B_32()
1643 /* Imprecise ending is not set -> addr from IRB-SCSW */ in dasd_3990_erp_action_1B_32()
1644 cpa = default_erp->refers->irb.scsw.cmd.cpa; in dasd_3990_erp_action_1B_32()
1655 erp = dasd_alloc_erp_request((char *) &cqr->magic, in dasd_3990_erp_action_1B_32()
1661 /* internal error 01 - Unable to allocate ERP */ in dasd_3990_erp_action_1B_32()
1662 dev_err(&device->cdev->dev, "An error occurred in the DASD " in dasd_3990_erp_action_1B_32()
1668 DE_data = erp->data; in dasd_3990_erp_action_1B_32()
1669 oldccw = cqr->cpaddr; in dasd_3990_erp_action_1B_32()
1670 if (oldccw->cmd_code == DASD_ECKD_CCW_PFX) { in dasd_3990_erp_action_1B_32()
1671 PFX_data = cqr->data; in dasd_3990_erp_action_1B_32()
1672 memcpy(DE_data, &PFX_data->define_extent, in dasd_3990_erp_action_1B_32()
1675 memcpy(DE_data, cqr->data, sizeof(struct DE_eckd_data)); in dasd_3990_erp_action_1B_32()
1678 LO_data = erp->data + sizeof(struct DE_eckd_data); in dasd_3990_erp_action_1B_32()
1680 if ((sense[3] == 0x01) && (LO_data[1] & 0x01)) { in dasd_3990_erp_action_1B_32()
1685 if ((sense[7] & 0x3F) == 0x01) { in dasd_3990_erp_action_1B_32()
1686 /* operation code is WRITE DATA -> data area orientation */ in dasd_3990_erp_action_1B_32()
1689 } else if ((sense[7] & 0x3F) == 0x03) { in dasd_3990_erp_action_1B_32()
1690 /* operation code is FORMAT WRITE -> index orientation */ in dasd_3990_erp_action_1B_32()
1694 LO_data[0] = sense[7]; /* operation */ in dasd_3990_erp_action_1B_32()
1697 LO_data[1] = sense[8]; /* auxiliary */ in dasd_3990_erp_action_1B_32()
1698 LO_data[2] = sense[9]; in dasd_3990_erp_action_1B_32()
1699 LO_data[3] = sense[3]; /* count */ in dasd_3990_erp_action_1B_32()
1700 LO_data[4] = sense[29]; /* seek_addr.cyl */ in dasd_3990_erp_action_1B_32()
1701 LO_data[5] = sense[30]; /* seek_addr.cyl 2nd byte */ in dasd_3990_erp_action_1B_32()
1702 LO_data[7] = sense[31]; /* seek_addr.head 2nd byte */ in dasd_3990_erp_action_1B_32()
1704 memcpy(&(LO_data[8]), &(sense[11]), 8); in dasd_3990_erp_action_1B_32()
1707 ccw = erp->cpaddr; in dasd_3990_erp_action_1B_32()
1709 ccw->cmd_code = DASD_ECKD_CCW_DEFINE_EXTENT; in dasd_3990_erp_action_1B_32()
1710 ccw->flags = CCW_FLAG_CC; in dasd_3990_erp_action_1B_32()
1711 ccw->count = 16; in dasd_3990_erp_action_1B_32()
1712 ccw->cda = (__u32)(addr_t) DE_data; in dasd_3990_erp_action_1B_32()
1717 ccw->cmd_code = DASD_ECKD_CCW_LOCATE_RECORD; in dasd_3990_erp_action_1B_32()
1718 ccw->flags = CCW_FLAG_CC; in dasd_3990_erp_action_1B_32()
1719 ccw->count = 16; in dasd_3990_erp_action_1B_32()
1720 ccw->cda = (__u32)(addr_t) LO_data; in dasd_3990_erp_action_1B_32()
1724 ccw->cmd_code = CCW_CMD_TIC; in dasd_3990_erp_action_1B_32()
1725 ccw->cda = cpa; in dasd_3990_erp_action_1B_32()
1728 erp->flags = default_erp->flags; in dasd_3990_erp_action_1B_32()
1729 erp->function = dasd_3990_erp_action_1B_32; in dasd_3990_erp_action_1B_32()
1730 erp->refers = default_erp->refers; in dasd_3990_erp_action_1B_32()
1731 erp->startdev = device; in dasd_3990_erp_action_1B_32()
1732 erp->memdev = device; in dasd_3990_erp_action_1B_32()
1733 erp->magic = default_erp->magic; in dasd_3990_erp_action_1B_32()
1734 erp->expires = default_erp->expires; in dasd_3990_erp_action_1B_32()
1735 erp->retries = 256; in dasd_3990_erp_action_1B_32()
1736 erp->buildclk = get_tod_clock(); in dasd_3990_erp_action_1B_32()
1737 erp->status = DASD_CQR_FILLED; in dasd_3990_erp_action_1B_32()
1757 * sense current sense data
1762 dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense) in dasd_3990_update_1B() argument
1765 struct dasd_device *device = previous_erp->startdev; in dasd_3990_update_1B()
1774 " - follow on"); in dasd_3990_update_1B()
1779 while (cqr->refers != NULL) { in dasd_3990_update_1B()
1780 cqr = cqr->refers; in dasd_3990_update_1B()
1783 if (scsw_is_tm(&cqr->irb.scsw)) { in dasd_3990_update_1B()
1785 "32 bit sense, action 1B, update," in dasd_3990_update_1B()
1786 " in transport mode - just retry"); in dasd_3990_update_1B()
1791 if (sense[1] & 0x01) { in dasd_3990_update_1B()
1793 "Imprecise ending is set - just retry"); in dasd_3990_update_1B()
1795 previous_erp->status = DASD_CQR_FILLED; in dasd_3990_update_1B()
1801 /* Imprecise ending is not set -> addr from IRB-SCSW */ in dasd_3990_update_1B()
1802 cpa = previous_erp->irb.scsw.cmd.cpa; in dasd_3990_update_1B()
1805 /* internal error 02 - in dasd_3990_update_1B()
1807 dev_err(&device->cdev->dev, "An error occurred in the DASD " in dasd_3990_update_1B()
1810 previous_erp->status = DASD_CQR_FAILED; in dasd_3990_update_1B()
1817 /* update the LO with the new returned sense data */ in dasd_3990_update_1B()
1818 LO_data = erp->data + sizeof(struct DE_eckd_data); in dasd_3990_update_1B()
1820 if ((sense[3] == 0x01) && (LO_data[1] & 0x01)) { in dasd_3990_update_1B()
1822 previous_erp->status = DASD_CQR_FAILED; in dasd_3990_update_1B()
1827 if ((sense[7] & 0x3F) == 0x01) { in dasd_3990_update_1B()
1828 /* operation code is WRITE DATA -> data area orientation */ in dasd_3990_update_1B()
1831 } else if ((sense[7] & 0x3F) == 0x03) { in dasd_3990_update_1B()
1832 /* operation code is FORMAT WRITE -> index orientation */ in dasd_3990_update_1B()
1836 LO_data[0] = sense[7]; /* operation */ in dasd_3990_update_1B()
1839 LO_data[1] = sense[8]; /* auxiliary */ in dasd_3990_update_1B()
1840 LO_data[2] = sense[9]; in dasd_3990_update_1B()
1841 LO_data[3] = sense[3]; /* count */ in dasd_3990_update_1B()
1842 LO_data[4] = sense[29]; /* seek_addr.cyl */ in dasd_3990_update_1B()
1843 LO_data[5] = sense[30]; /* seek_addr.cyl 2nd byte */ in dasd_3990_update_1B()
1844 LO_data[7] = sense[31]; /* seek_addr.head 2nd byte */ in dasd_3990_update_1B()
1846 memcpy(&(LO_data[8]), &(sense[11]), 8); in dasd_3990_update_1B()
1849 ccw = erp->cpaddr; /* addr of DE ccw */ in dasd_3990_update_1B()
1852 ccw->cda = cpa; in dasd_3990_update_1B()
1854 erp->status = DASD_CQR_FILLED; in dasd_3990_update_1B()
1866 * by the sense data. This makes enqueueing of the request
1870 * sense sense data of the actual error
1878 dasd_3990_erp_compound_retry(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_compound_retry() argument
1881 switch (sense[25] & 0x03) { in dasd_3990_erp_compound_retry()
1883 erp->retries = 1; in dasd_3990_erp_compound_retry()
1887 erp->retries = 2; in dasd_3990_erp_compound_retry()
1891 erp->retries = 10; in dasd_3990_erp_compound_retry()
1895 erp->retries = 256; in dasd_3990_erp_compound_retry()
1902 erp->function = dasd_3990_erp_compound_retry; in dasd_3990_erp_compound_retry()
1914 * sense sense data of the actual error
1922 dasd_3990_erp_compound_path(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_compound_path() argument
1924 if (sense[25] & DASD_SENSE_BIT_3) { in dasd_3990_erp_compound_path()
1927 if (erp->status == DASD_CQR_FAILED && in dasd_3990_erp_compound_path()
1928 !test_bit(DASD_CQR_VERIFY_PATH, &erp->flags)) { in dasd_3990_erp_compound_path()
1931 erp->lpm = dasd_path_get_opm(erp->startdev); in dasd_3990_erp_compound_path()
1932 erp->status = DASD_CQR_NEED_ERP; in dasd_3990_erp_compound_path()
1936 erp->function = dasd_3990_erp_compound_path; in dasd_3990_erp_compound_path()
1947 * sense sense data of the actual error
1955 dasd_3990_erp_compound_code(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_compound_code() argument
1958 if (sense[25] & DASD_SENSE_BIT_2) { in dasd_3990_erp_compound_code()
1960 switch (sense[28]) { in dasd_3990_erp_compound_code()
1969 erp->retries = 1; in dasd_3990_erp_compound_code()
1975 /* should not happen - continue */ in dasd_3990_erp_compound_code()
1980 erp->function = dasd_3990_erp_compound_code; in dasd_3990_erp_compound_code()
1995 * sense sense data of the actual error
2003 dasd_3990_erp_compound_config(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_compound_config() argument
2006 if ((sense[25] & DASD_SENSE_BIT_1) && (sense[26] & DASD_SENSE_BIT_2)) { in dasd_3990_erp_compound_config()
2009 internal error 05 - Set device to suspended duplex state in dasd_3990_erp_compound_config()
2011 struct dasd_device *device = erp->startdev; in dasd_3990_erp_compound_config()
2012 dev_err(&device->cdev->dev, in dasd_3990_erp_compound_config()
2018 erp->function = dasd_3990_erp_compound_config; in dasd_3990_erp_compound_config()
2030 * sense sense data of the actual error
2038 dasd_3990_erp_compound(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_compound() argument
2041 if ((erp->function == dasd_3990_erp_compound_retry) && in dasd_3990_erp_compound()
2042 (erp->status == DASD_CQR_NEED_ERP)) { in dasd_3990_erp_compound()
2044 dasd_3990_erp_compound_path(erp, sense); in dasd_3990_erp_compound()
2047 if ((erp->function == dasd_3990_erp_compound_path) && in dasd_3990_erp_compound()
2048 (erp->status == DASD_CQR_NEED_ERP)) { in dasd_3990_erp_compound()
2050 erp = dasd_3990_erp_compound_code(erp, sense); in dasd_3990_erp_compound()
2053 if ((erp->function == dasd_3990_erp_compound_code) && in dasd_3990_erp_compound()
2054 (erp->status == DASD_CQR_NEED_ERP)) { in dasd_3990_erp_compound()
2056 dasd_3990_erp_compound_config(erp, sense); in dasd_3990_erp_compound()
2060 if (erp->status == DASD_CQR_NEED_ERP) in dasd_3990_erp_compound()
2061 erp->status = DASD_CQR_FAILED; in dasd_3990_erp_compound()
2071 * inspects the SIM SENSE data and starts an appropriate action
2074 * sense sense data of the actual error
2080 dasd_3990_erp_handle_sim(struct dasd_device *device, char *sense) in dasd_3990_erp_handle_sim() argument
2082 /* print message according to log or message to operator mode */ in dasd_3990_erp_handle_sim()
2083 if ((sense[24] & DASD_SIM_MSG_TO_OP) || (sense[1] & 0x10)) { in dasd_3990_erp_handle_sim()
2085 dev_err(&device->cdev->dev, "SIM - SRC: " in dasd_3990_erp_handle_sim()
2086 "%02x%02x%02x%02x\n", sense[22], in dasd_3990_erp_handle_sim()
2087 sense[23], sense[11], sense[12]); in dasd_3990_erp_handle_sim()
2088 } else if (sense[24] & DASD_SIM_LOG) { in dasd_3990_erp_handle_sim()
2090 dev_warn(&device->cdev->dev, "log SIM - SRC: " in dasd_3990_erp_handle_sim()
2091 "%02x%02x%02x%02x\n", sense[22], in dasd_3990_erp_handle_sim()
2092 sense[23], sense[11], sense[12]); in dasd_3990_erp_handle_sim()
2100 * Does a detailed inspection of the 32 byte sense data
2104 * sense sense data of the actual error
2112 dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense) in dasd_3990_erp_inspect_32() argument
2115 struct dasd_device *device = erp->startdev; in dasd_3990_erp_inspect_32()
2117 erp->function = dasd_3990_erp_inspect_32; in dasd_3990_erp_inspect_32()
2119 /* check for SIM sense data */ in dasd_3990_erp_inspect_32()
2120 if ((sense[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE) in dasd_3990_erp_inspect_32()
2121 dasd_3990_erp_handle_sim(device, sense); in dasd_3990_erp_inspect_32()
2123 if (sense[25] & DASD_SENSE_BIT_0) { in dasd_3990_erp_inspect_32()
2126 dasd_3990_erp_compound_retry(erp, sense); in dasd_3990_erp_inspect_32()
2131 switch (sense[25]) { in dasd_3990_erp_inspect_32()
2133 case 0x00: /* success - use default ERP for retries */ in dasd_3990_erp_inspect_32()
2136 " - just retry"); in dasd_3990_erp_inspect_32()
2140 dev_err(&device->cdev->dev, in dasd_3990_erp_inspect_32()
2152 internal error 08 - update write command error*/ in dasd_3990_erp_inspect_32()
2153 dev_err(&device->cdev->dev, "An error occurred in the " in dasd_3990_erp_inspect_32()
2160 erp = dasd_3990_erp_action_10_32(erp, sense); in dasd_3990_erp_inspect_32()
2164 internal error 07 - The next track is not in dasd_3990_erp_inspect_32()
2166 dev_err(&device->cdev->dev, in dasd_3990_erp_inspect_32()
2175 erp = dasd_3990_erp_action_1B_32(erp, sense); in dasd_3990_erp_inspect_32()
2179 dev_emerg(&device->cdev->dev, in dasd_3990_erp_inspect_32()
2181 "fetch mode active\n"); in dasd_3990_erp_inspect_32()
2185 ("Invalid data - No way to inform application " in dasd_3990_erp_inspect_32()
2189 case 0x1D: /* state-change pending */ in dasd_3990_erp_inspect_32()
2194 erp = dasd_3990_erp_action_4(erp, sense); in dasd_3990_erp_inspect_32()
2201 erp = dasd_3990_erp_action_4(erp, sense); in dasd_3990_erp_inspect_32()
2204 default: /* all others errors - default erp */ in dasd_3990_erp_inspect_32()
2217 if (!(device->features & DASD_FEATURE_PATH_AUTODISABLE)) { in dasd_3990_erp_disable_path()
2218 dev_err(&device->cdev->dev, in dasd_3990_erp_disable_path()
2220 device->path[pos].cssid, device->path[pos].chpid, lpum); in dasd_3990_erp_disable_path()
2226 dev_err(&device->cdev->dev, in dasd_3990_erp_disable_path()
2228 device->path[pos].cssid, device->path[pos].chpid, lpum); in dasd_3990_erp_disable_path()
2232 dev_err(&device->cdev->dev, in dasd_3990_erp_disable_path()
2233 "Path %x.%02x (pathmask %02x) is disabled - IFCC threshold exceeded\n", in dasd_3990_erp_disable_path()
2234 device->path[pos].cssid, device->path[pos].chpid, lpum); in dasd_3990_erp_disable_path()
2239 device->path[pos].errorclk = 0; in dasd_3990_erp_disable_path()
2240 atomic_set(&device->path[pos].error_count, 0); in dasd_3990_erp_disable_path()
2245 struct dasd_device *device = erp->startdev; in dasd_3990_erp_account_error()
2246 __u8 lpum = erp->refers->irb.esw.esw1.lpum; in dasd_3990_erp_account_error()
2250 if (!device->path_thrhld) in dasd_3990_erp_account_error()
2258 if ((tod_to_ns(clk - device->path[pos].errorclk) / NSEC_PER_SEC) in dasd_3990_erp_account_error()
2259 >= device->path_interval) { in dasd_3990_erp_account_error()
2260 atomic_set(&device->path[pos].error_count, 0); in dasd_3990_erp_account_error()
2261 device->path[pos].errorclk = 0; in dasd_3990_erp_account_error()
2263 atomic_inc(&device->path[pos].error_count); in dasd_3990_erp_account_error()
2264 device->path[pos].errorclk = clk; in dasd_3990_erp_account_error()
2266 if (atomic_read(&device->path[pos].error_count) >= in dasd_3990_erp_account_error()
2267 device->path_thrhld) in dasd_3990_erp_account_error()
2273 * main ERP control functions (24 and 32 byte sense)
2294 struct dasd_device *device = erp->startdev; in dasd_3990_erp_control_check()
2296 if (scsw_cstat(&erp->refers->irb.scsw) & (SCHN_STAT_INTF_CTRL_CHK in dasd_3990_erp_control_check()
2310 * Does a detailed inspection for sense data by calling either
2311 * the 24-byte or the 32-byte inspection routine.
2323 char *sense; in dasd_3990_erp_inspect() local
2330 /* sense data are located in the refers record of the in dasd_3990_erp_inspect()
2334 sense = dasd_get_sense(&erp->refers->irb); in dasd_3990_erp_inspect()
2335 if (!sense) in dasd_3990_erp_inspect()
2337 /* distinguish between 24 and 32 byte sense data */ in dasd_3990_erp_inspect()
2338 else if (sense[27] & DASD_SENSE_BIT_0) { in dasd_3990_erp_inspect()
2340 /* inspect the 24 byte sense data */ in dasd_3990_erp_inspect()
2341 erp_new = dasd_3990_erp_inspect_24(erp, sense); in dasd_3990_erp_inspect()
2345 /* inspect the 32 byte sense data */ in dasd_3990_erp_inspect()
2346 erp_new = dasd_3990_erp_inspect_32(erp, sense); in dasd_3990_erp_inspect()
2348 } /* end distinguish between 24 and 32 byte sense data */ in dasd_3990_erp_inspect()
2359 * For a command mode cqr the erp is initialized as an default erp
2361 * For transport mode we make a copy of the original TCW (points to
2363 * TSB so the original sense data will not be changed.
2366 * cqr head of the current ERP-chain (or single cqr if
2369 * erp pointer to new ERP-chain head
2374 struct dasd_device *device = cqr->startdev; in dasd_3990_erp_add_erp()
2381 if (cqr->cpmode == 1) { in dasd_3990_erp_add_erp()
2391 erp = dasd_alloc_erp_request((char *) &cqr->magic, in dasd_3990_erp_add_erp()
2394 if (cqr->retries <= 0) { in dasd_3990_erp_add_erp()
2397 cqr->status = DASD_CQR_FAILED; in dasd_3990_erp_add_erp()
2398 cqr->stopclk = get_tod_clock(); in dasd_3990_erp_add_erp()
2403 cqr->retries); in dasd_3990_erp_add_erp()
2404 dasd_block_set_timer(device->block, (HZ << 3)); in dasd_3990_erp_add_erp()
2409 ccw = cqr->cpaddr; in dasd_3990_erp_add_erp()
2410 if (cqr->cpmode == 1) { in dasd_3990_erp_add_erp()
2412 erp->cpmode = 1; in dasd_3990_erp_add_erp()
2413 erp->cpaddr = PTR_ALIGN(erp->data, 64); in dasd_3990_erp_add_erp()
2414 tcw = erp->cpaddr; in dasd_3990_erp_add_erp()
2416 *tcw = *((struct tcw *)cqr->cpaddr); in dasd_3990_erp_add_erp()
2417 tcw->tsb = (long)tsb; in dasd_3990_erp_add_erp()
2418 } else if (ccw->cmd_code == DASD_ECKD_CCW_PSF) { in dasd_3990_erp_add_erp()
2420 erp->cpaddr = cqr->cpaddr; in dasd_3990_erp_add_erp()
2423 ccw = erp->cpaddr; in dasd_3990_erp_add_erp()
2424 ccw->cmd_code = CCW_CMD_NOOP; in dasd_3990_erp_add_erp()
2425 ccw->flags = CCW_FLAG_CC; in dasd_3990_erp_add_erp()
2427 ccw->cmd_code = CCW_CMD_TIC; in dasd_3990_erp_add_erp()
2428 ccw->cda = (long)(cqr->cpaddr); in dasd_3990_erp_add_erp()
2431 erp->flags = cqr->flags; in dasd_3990_erp_add_erp()
2432 erp->function = dasd_3990_erp_add_erp; in dasd_3990_erp_add_erp()
2433 erp->refers = cqr; in dasd_3990_erp_add_erp()
2434 erp->startdev = device; in dasd_3990_erp_add_erp()
2435 erp->memdev = device; in dasd_3990_erp_add_erp()
2436 erp->block = cqr->block; in dasd_3990_erp_add_erp()
2437 erp->magic = cqr->magic; in dasd_3990_erp_add_erp()
2438 erp->expires = cqr->expires; in dasd_3990_erp_add_erp()
2439 erp->retries = 256; in dasd_3990_erp_add_erp()
2440 erp->buildclk = get_tod_clock(); in dasd_3990_erp_add_erp()
2441 erp->status = DASD_CQR_FILLED; in dasd_3990_erp_add_erp()
2451 * Add ERP to the head of the ERP-chain containing the ERP processing
2452 * determined based on the sense data.
2455 * cqr head of the current ERP-chain (or single cqr if
2459 * erp pointer to new ERP-chain head
2473 /* inspect sense, determine specific ERP if possible */ in dasd_3990_erp_additional_erp()
2488 * This means that the failed CCW and the relevant sense data
2490 * I don't distinguish between 24 and 32 byte sense because in case of
2491 * 24 byte sense byte 25 and 27 is set as well.
2506 if (cqr1->startdev != cqr2->startdev) in dasd_3990_erp_error_match()
2509 sense1 = dasd_get_sense(&cqr1->irb); in dasd_3990_erp_error_match()
2510 sense2 = dasd_get_sense(&cqr2->irb); in dasd_3990_erp_error_match()
2512 /* one request has sense data, the other not -> no match, return 0 */ in dasd_3990_erp_error_match()
2515 /* no sense data in both cases -> check cstat for IFCC */ in dasd_3990_erp_error_match()
2517 if ((scsw_cstat(&cqr1->irb.scsw) & (SCHN_STAT_INTF_CTRL_CHK | in dasd_3990_erp_error_match()
2519 (scsw_cstat(&cqr2->irb.scsw) & (SCHN_STAT_INTF_CTRL_CHK | in dasd_3990_erp_error_match()
2523 /* check sense data; byte 0-2,25,27 */ in dasd_3990_erp_error_match()
2529 return 0; /* sense doesn't match */ in dasd_3990_erp_error_match()
2541 * quick exit if current cqr is not an ERP (cqr->refers=NULL)
2547 * erp erp-pointer to the already defined error
2559 if (cqr->refers == NULL) { /* return if not in erp */ in dasd_3990_erp_in_erp()
2565 match = dasd_3990_erp_error_match(erp_head, cqr->refers); in dasd_3990_erp_in_erp()
2567 cqr = cqr->refers; /* check next erp/cqr in queue */ in dasd_3990_erp_in_erp()
2569 } while ((cqr->refers != NULL) && (!match)); in dasd_3990_erp_in_erp()
2580 * DASD_3990_ERP_FURTHER_ERP (24 & 32 byte sense)
2585 * - do further defined ERP action or
2586 * - wait for interrupt or
2587 * - exit with permanent error
2599 struct dasd_device *device = erp->startdev; in dasd_3990_erp_further_erp()
2600 char *sense = dasd_get_sense(&erp->irb); in dasd_3990_erp_further_erp() local
2602 /* check for 24 byte sense ERP */ in dasd_3990_erp_further_erp()
2603 if ((erp->function == dasd_3990_erp_bus_out) || in dasd_3990_erp_further_erp()
2604 (erp->function == dasd_3990_erp_action_1) || in dasd_3990_erp_further_erp()
2605 (erp->function == dasd_3990_erp_action_4)) { in dasd_3990_erp_further_erp()
2609 } else if (erp->function == dasd_3990_erp_action_1_sec) { in dasd_3990_erp_further_erp()
2611 } else if (erp->function == dasd_3990_erp_action_5) { in dasd_3990_erp_further_erp()
2617 if (sense && !(sense[2] & DASD_SENSE_BIT_0)) { in dasd_3990_erp_further_erp()
2622 switch (sense[25]) { in dasd_3990_erp_further_erp()
2642 sense[25]); in dasd_3990_erp_further_erp()
2646 /* check for 32 byte sense ERP */ in dasd_3990_erp_further_erp()
2647 } else if (sense && in dasd_3990_erp_further_erp()
2648 ((erp->function == dasd_3990_erp_compound_retry) || in dasd_3990_erp_further_erp()
2649 (erp->function == dasd_3990_erp_compound_path) || in dasd_3990_erp_further_erp()
2650 (erp->function == dasd_3990_erp_compound_code) || in dasd_3990_erp_further_erp()
2651 (erp->function == dasd_3990_erp_compound_config))) { in dasd_3990_erp_further_erp()
2653 erp = dasd_3990_erp_compound(erp, sense); in dasd_3990_erp_further_erp()
2660 dev_err(&device->cdev->dev, in dasd_3990_erp_further_erp()
2663 erp->status = DASD_CQR_FAILED; in dasd_3990_erp_further_erp()
2682 * erp_head first ERP in ERP-chain
2694 struct dasd_device *device = erp_head->startdev; in dasd_3990_erp_handle_match_erp()
2706 list_del(&erp_done->blocklist); in dasd_3990_erp_handle_match_erp()
2709 erp_done = erp_done->refers; in dasd_3990_erp_handle_match_erp()
2712 dasd_free_erp_request(erp_free, erp_free->memdev); in dasd_3990_erp_handle_match_erp()
2716 if (erp->retries > 0) { in dasd_3990_erp_handle_match_erp()
2718 char *sense = dasd_get_sense(&erp->refers->irb); in dasd_3990_erp_handle_match_erp() local
2721 if (sense && erp->function == dasd_3990_erp_action_4) { in dasd_3990_erp_handle_match_erp()
2723 erp = dasd_3990_erp_action_4(erp, sense); in dasd_3990_erp_handle_match_erp()
2725 } else if (sense && in dasd_3990_erp_handle_match_erp()
2726 erp->function == dasd_3990_erp_action_1B_32) { in dasd_3990_erp_handle_match_erp()
2728 erp = dasd_3990_update_1B(erp, sense); in dasd_3990_erp_handle_match_erp()
2730 } else if (sense && erp->function == dasd_3990_erp_int_req) { in dasd_3990_erp_handle_match_erp()
2738 erp->retries, erp); in dasd_3990_erp_handle_match_erp()
2741 erp->status = DASD_CQR_FILLED; in dasd_3990_erp_handle_match_erp()
2745 /* no retry left - check for further necessary action */ in dasd_3990_erp_handle_match_erp()
2765 * erp erp-pointer to the head of the ERP action chain.
2767 * - either a ptr to an additional ERP cqr or
2768 * - the original given cqr (which's status might
2775 struct dasd_device *device = cqr->startdev; in dasd_3990_erp_action()
2778 if (device->features & DASD_FEATURE_ERPLOG) { in dasd_3990_erp_action()
2780 dev_err(&device->cdev->dev, in dasd_3990_erp_action()
2781 "ERP chain at BEGINNING of ERP-ACTION\n"); in dasd_3990_erp_action()
2783 temp_erp != NULL; temp_erp = temp_erp->refers) { in dasd_3990_erp_action()
2785 dev_err(&device->cdev->dev, in dasd_3990_erp_action()
2787 temp_erp, temp_erp->status, in dasd_3990_erp_action()
2788 temp_erp->refers); in dasd_3990_erp_action()
2792 /* double-check if current erp/cqr was successful */ in dasd_3990_erp_action()
2793 if ((scsw_cstat(&cqr->irb.scsw) == 0x00) && in dasd_3990_erp_action()
2794 (scsw_dstat(&cqr->irb.scsw) == in dasd_3990_erp_action()
2799 " - NO ERP necessary", cqr); in dasd_3990_erp_action()
2801 cqr->status = DASD_CQR_DONE; in dasd_3990_erp_action()
2810 /* no matching erp found - set up erp */ in dasd_3990_erp_action()
2815 /* matching erp found - set all leading erp's to DONE */ in dasd_3990_erp_action()
2825 if (test_bit(DASD_CQR_VERIFY_PATH, &erp->flags) && cqr->lpm) { in dasd_3990_erp_action()
2826 erp->lpm = cqr->lpm; in dasd_3990_erp_action()
2829 if (device->features & DASD_FEATURE_ERPLOG) { in dasd_3990_erp_action()
2831 dev_err(&device->cdev->dev, in dasd_3990_erp_action()
2832 "ERP chain at END of ERP-ACTION\n"); in dasd_3990_erp_action()
2834 temp_erp != NULL; temp_erp = temp_erp->refers) { in dasd_3990_erp_action()
2836 dev_err(&device->cdev->dev, in dasd_3990_erp_action()
2838 temp_erp, temp_erp->status, in dasd_3990_erp_action()
2839 temp_erp->refers); in dasd_3990_erp_action()
2844 if (list_empty(&erp->blocklist)) { in dasd_3990_erp_action()
2845 cqr->status = DASD_CQR_IN_ERP; in dasd_3990_erp_action()
2847 list_add_tail(&erp->blocklist, &cqr->blocklist); in dasd_3990_erp_action()