case 0x00:
/* Unit check with erpa code 0. Report and ignore. */
return TAPE_IO_SUCCESS;
- case 0x21:
- /*
- * Data streaming not operational. CU will switch to
- * interlock mode. Reissue the command.
- */
- return tape_34xx_erp_retry(request);
- case 0x22:
- /*
- * Path equipment check. Might be drive adapter error, buffer
- * error on the lower interface, internal path not usable,
- * or error during cartridge load.
- */
- dev_warn (&device->cdev->dev, "A path equipment check occurred"
- " for the tape device\n");
- return tape_34xx_erp_failed(request, -EIO);
- case 0x24:
- /*
- * Load display check. Load display was command was issued,
- * but the drive is displaying a drive check message. Can
- * be threated as "device end".
- */
- return tape_34xx_erp_succeeded(request);
case 0x27:
/*
* Command reject. May indicate illegal channel program or
* subsystem func is issued and the CU is not on-line.
*/
return tape_34xx_erp_failed(request, -EIO);
- case 0x2a:
- /*
- * Unsolicited environmental data. An internal counter
- * overflows, we can ignore this and reissue the cmd.
- */
- return tape_34xx_erp_retry(request);
case 0x2b:
/*
* Environmental data present. Indicates either unload
dev_warn (&device->cdev->dev, "The tape medium is write-"
"protected\n");
return tape_34xx_erp_failed(request, -EACCES);
- case 0x32:
- // Tension loss. We cannot recover this, it's an I/O error.
- dev_warn (&device->cdev->dev, "The tape does not have the "
- "required tape tension\n");
- return tape_34xx_erp_failed(request, -EIO);
- case 0x33:
- /*
- * Load Failure. The cartridge was not inserted correctly or
- * the tape is not threaded correctly.
- */
- dev_warn (&device->cdev->dev, "The tape unit failed to load"
- " the cartridge\n");
- return tape_34xx_erp_failed(request, -EIO);
- case 0x34:
- /*
- * Unload failure. The drive cannot maintain tape tension
- * and control tape movement during an unload operation.
- */
- dev_warn (&device->cdev->dev, "Automatic unloading of the tape"
- " cartridge failed\n");
- if (request->op == TO_RUN)
- return tape_34xx_erp_failed(request, -EIO);
- return tape_34xx_erp_bug(device, request, irb, sense[3]);
case 0x35:
/*
* Drive equipment check. One of the following:
case 0x36:
/* End of data. */
return tape_34xx_erp_failed(request, -EIO);
- case 0x37:
- /*
- * Tape length error. The tape is shorter than reported in
- * the beginning-of-tape data.
- */
- dev_warn (&device->cdev->dev, "The tape information states an"
- " incorrect length\n");
- return tape_34xx_erp_failed(request, -EIO);
case 0x38:
/*
* Physical end of tape. A read/write operation reached
case 0x39:
/* Backward at Beginning of tape. */
return tape_34xx_erp_failed(request, -EIO);
- case 0x3a:
- /* Drive switched to not ready. */
- dev_warn (&device->cdev->dev, "The tape unit is not ready\n");
- return tape_34xx_erp_failed(request, -EIO);
- case 0x3b:
- /* Manual rewind or unload. This causes an I/O error. */
- dev_warn (&device->cdev->dev, "The tape medium has been "
- "rewound or unloaded manually\n");
- return tape_34xx_erp_failed(request, -EIO);
case 0x42:
/*
* Degraded mode. A condition that can cause degraded
dev_warn (&device->cdev->dev, "The tape unit is already "
"assigned\n");
return tape_34xx_erp_failed(request, -EIO);
- case 0x46:
- /*
- * Drive not on-line. Drive may be switched offline,
- * the power supply may be switched off or
- * the drive address may not be set correctly.
- */
- dev_warn (&device->cdev->dev, "The tape unit is not online\n");
- return tape_34xx_erp_failed(request, -EIO);
case 0x47:
/* Volume fenced. CU reports volume integrity is lost. */
dev_warn (&device->cdev->dev, "The control unit has fenced "
case 0x48:
/* Log sense data and retry request. */
return tape_34xx_erp_retry(request);
- case 0x49:
- /* Bus out check. A parity check error on the bus was found. */
- dev_warn (&device->cdev->dev, "A parity error occurred on the "
- "tape bus\n");
- return tape_34xx_erp_failed(request, -EIO);
- case 0x4a:
- /* Control unit erp failed. */
- dev_warn (&device->cdev->dev, "I/O error recovery failed on "
- "the tape control unit\n");
- return tape_34xx_erp_failed(request, -EIO);
- case 0x4b:
- /*
- * CU and drive incompatible. The drive requests micro-program
- * patches, which are not available on the CU.
- */
- dev_warn (&device->cdev->dev, "The tape unit requires a "
- "firmware update\n");
- return tape_34xx_erp_failed(request, -EIO);
- case 0x4c:
- /*
- * Recovered Check-One failure. Cu develops a hardware error,
- * but is able to recover.
- */
- return tape_34xx_erp_retry(request);
case 0x4d:
/*
* Resetting event received. Since the driver does
case 0x57:
/* Global status intercept. */
return tape_34xx_erp_retry(request);
- case 0x5a:
- /*
- * Tape length incompatible. The tape inserted is too long,
- * which could cause damage to the tape or the drive.
- */
- dev_warn (&device->cdev->dev, "The tape unit does not support "
- "the tape length\n");
- return tape_34xx_erp_failed(request, -EIO);
- case 0x5d:
- /* Tape length violation. */
- dev_warn (&device->cdev->dev, "The tape unit does not support"
- " the current tape length\n");
- return tape_34xx_erp_failed(request, -EMEDIUMTYPE);
- case 0x5e:
- /* Compaction algorithm incompatible. */
- dev_warn (&device->cdev->dev, "The tape unit does not support"
- " the compaction algorithm\n");
- return tape_34xx_erp_failed(request, -EMEDIUMTYPE);
-
/* The following erpas should have been covered earlier. */
case 0x23: /* Read data check. */
case 0x25: /* Write data check. */
- case 0x26: /* Data check (read opposite). */
case 0x28: /* Write id mark check. */
case 0x31: /* Tape void. */
case 0x40: /* Overrun error. */
projects / thirdparty / kernel / linux.git / commitdiff
