diff options
Diffstat (limited to 'drivers/s390/char')
| -rw-r--r-- | drivers/s390/char/sclp.c | 5 | ||||
| -rw-r--r-- | drivers/s390/char/sclp_cmd.c | 5 | ||||
| -rw-r--r-- | drivers/s390/char/tape.h | 2 | ||||
| -rw-r--r-- | drivers/s390/char/tape_34xx.c | 161 | ||||
| -rw-r--r-- | drivers/s390/char/tape_3590.c | 367 | ||||
| -rw-r--r-- | drivers/s390/char/tape_block.c | 18 | ||||
| -rw-r--r-- | drivers/s390/char/tape_char.c | 7 | ||||
| -rw-r--r-- | drivers/s390/char/tape_core.c | 68 | ||||
| -rw-r--r-- | drivers/s390/char/tape_proc.c | 3 | ||||
| -rw-r--r-- | drivers/s390/char/tape_std.c | 25 | ||||
| -rw-r--r-- | drivers/s390/char/zcore.c | 90 |
11 files changed, 369 insertions, 382 deletions
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index 1fd8f2193ed..4377e93a43d 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -280,8 +280,11 @@ sclp_dispatch_evbufs(struct sccb_header *sccb) rc = 0; for (offset = sizeof(struct sccb_header); offset < sccb->length; offset += evbuf->length) { - /* Search for event handler */ evbuf = (struct evbuf_header *) ((addr_t) sccb + offset); + /* Check for malformed hardware response */ + if (evbuf->length == 0) + break; + /* Search for event handler */ reg = NULL; list_for_each(l, &sclp_reg_list) { reg = list_entry(l, struct sclp_register, list); diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index 50639049641..77ab6e34a10 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -19,6 +19,7 @@ #include <linux/memory.h> #include <asm/chpid.h> #include <asm/sclp.h> +#include <asm/setup.h> #include "sclp.h" @@ -474,6 +475,10 @@ static void __init add_memory_merged(u16 rn) goto skip_add; if (start + size > VMEM_MAX_PHYS) size = VMEM_MAX_PHYS - start; + if (memory_end_set && (start >= memory_end)) + goto skip_add; + if (memory_end_set && (start + size > memory_end)) + size = memory_end - start; add_memory(0, start, size); skip_add: first_rn = rn; diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index d0d565a05df..c07809c8016 100644 --- a/drivers/s390/char/tape.h +++ b/drivers/s390/char/tape.h @@ -324,8 +324,6 @@ static inline void tape_proc_cleanup (void) {;} #endif /* a function for dumping device sense info */ -extern void tape_dump_sense(struct tape_device *, struct tape_request *, - struct irb *); extern void tape_dump_sense_dbf(struct tape_device *, struct tape_request *, struct irb *); diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c index 22ca34361ed..807ded5eb04 100644 --- a/drivers/s390/char/tape_34xx.c +++ b/drivers/s390/char/tape_34xx.c @@ -8,6 +8,8 @@ * Martin Schwidefsky <schwidefsky@de.ibm.com> */ +#define KMSG_COMPONENT "tape" + #include <linux/module.h> #include <linux/init.h> #include <linux/bio.h> @@ -18,8 +20,6 @@ #include "tape.h" #include "tape_std.h" -#define PRINTK_HEADER "TAPE_34XX: " - /* * Pointer to debug area. */ @@ -203,8 +203,7 @@ tape_34xx_unsolicited_irq(struct tape_device *device, struct irb *irb) tape_34xx_schedule_work(device, TO_MSEN); } else { DBF_EVENT(3, "unsol.irq! dev end: %08x\n", device->cdev_id); - PRINT_WARN("Unsolicited IRQ (Device End) caught.\n"); - tape_dump_sense(device, NULL, irb); + tape_dump_sense_dbf(device, NULL, irb); } return TAPE_IO_SUCCESS; } @@ -226,9 +225,7 @@ tape_34xx_erp_read_opposite(struct tape_device *device, tape_std_read_backward(device, request); return tape_34xx_erp_retry(request); } - if (request->op != TO_RBA) - PRINT_ERR("read_opposite called with state:%s\n", - tape_op_verbose[request->op]); + /* * We tried to read forward and backward, but hat no * success -> failed. @@ -241,13 +238,9 @@ tape_34xx_erp_bug(struct tape_device *device, struct tape_request *request, struct irb *irb, int no) { if (request->op != TO_ASSIGN) { - PRINT_WARN("An unexpected condition #%d was caught in " - "tape error recovery.\n", no); - PRINT_WARN("Please report this incident.\n"); - if (request) - PRINT_WARN("Operation of tape:%s\n", - tape_op_verbose[request->op]); - tape_dump_sense(device, request, irb); + dev_err(&device->cdev->dev, "An unexpected condition %d " + "occurred in tape error recovery\n", no); + tape_dump_sense_dbf(device, request, irb); } return tape_34xx_erp_failed(request, -EIO); } @@ -261,9 +254,8 @@ tape_34xx_erp_overrun(struct tape_device *device, struct tape_request *request, struct irb *irb) { if (irb->ecw[3] == 0x40) { - PRINT_WARN ("Data overrun error between control-unit " - "and drive. Use a faster channel connection, " - "if possible! \n"); + dev_warn (&device->cdev->dev, "A data overrun occurred between" + " the control unit and tape unit\n"); return tape_34xx_erp_failed(request, -EIO); } return tape_34xx_erp_bug(device, request, irb, -1); @@ -280,7 +272,8 @@ tape_34xx_erp_sequence(struct tape_device *device, /* * cu detected incorrect block-id sequence on tape. */ - PRINT_WARN("Illegal block-id sequence found!\n"); + dev_warn (&device->cdev->dev, "The block ID sequence on the " + "tape is incorrect\n"); return tape_34xx_erp_failed(request, -EIO); } /* @@ -393,8 +386,6 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, /* Writing at physical end of volume */ return tape_34xx_erp_failed(request, -ENOSPC); default: - PRINT_ERR("Invalid op in %s:%i\n", - __func__, __LINE__); return tape_34xx_erp_failed(request, 0); } } @@ -420,7 +411,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, irb, -4); /* data check is permanent, CU recovery has failed */ - PRINT_WARN("Permanent read error\n"); + dev_warn (&device->cdev->dev, "A read error occurred " + "that cannot be recovered\n"); return tape_34xx_erp_failed(request, -EIO); case 0x25: // a write data check occurred @@ -433,22 +425,26 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, irb, -5); // data check is permanent, cu-recovery has failed - PRINT_WARN("Permanent write error\n"); + dev_warn (&device->cdev->dev, "A write error on the " + "tape cannot be recovered\n"); return tape_34xx_erp_failed(request, -EIO); case 0x26: /* Data Check (read opposite) occurred. */ return tape_34xx_erp_read_opposite(device, request); case 0x28: /* ID-Mark at tape start couldn't be written */ - PRINT_WARN("ID-Mark could not be written.\n"); + dev_warn (&device->cdev->dev, "Writing the ID-mark " + "failed\n"); return tape_34xx_erp_failed(request, -EIO); case 0x31: /* Tape void. Tried to read beyond end of device. */ - PRINT_WARN("Read beyond end of recorded area.\n"); + dev_warn (&device->cdev->dev, "Reading the tape beyond" + " the end of the recorded area failed\n"); return tape_34xx_erp_failed(request, -ENOSPC); case 0x41: /* Record sequence error. */ - PRINT_WARN("Invalid block-id sequence found.\n"); + dev_warn (&device->cdev->dev, "The tape contains an " + "incorrect block ID sequence\n"); return tape_34xx_erp_failed(request, -EIO); default: /* all data checks for 3480 should result in one of @@ -470,16 +466,12 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, switch (sense[3]) { case 0x00: /* Unit check with erpa code 0. Report and ignore. */ - PRINT_WARN("Non-error sense was found. " - "Unit-check will be ignored.\n"); return TAPE_IO_SUCCESS; case 0x21: /* * Data streaming not operational. CU will switch to * interlock mode. Reissue the command. */ - PRINT_WARN("Data streaming not operational. " - "Switching to interlock-mode.\n"); return tape_34xx_erp_retry(request); case 0x22: /* @@ -487,11 +479,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * error on the lower interface, internal path not usable, * or error during cartridge load. */ - PRINT_WARN("A path equipment check occurred. One of the " - "following conditions occurred:\n"); - PRINT_WARN("drive adapter error, buffer error on the lower " - "interface, internal path not usable, error " - "during cartridge load.\n"); + dev_warn (&device->cdev->dev, "A path equipment check occurred" + " for the tape device\n"); return tape_34xx_erp_failed(request, -EIO); case 0x24: /* @@ -514,7 +503,6 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * but the hardware isn't capable to do idrc, or a perform * subsystem func is issued and the CU is not on-line. */ - PRINT_WARN ("Function incompatible. Try to switch off idrc\n"); return tape_34xx_erp_failed(request, -EIO); case 0x2a: /* @@ -552,23 +540,26 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * reading the format id mark or that that format specified * is not supported by the drive. */ - PRINT_WARN("Drive not capable processing the tape format!\n"); + dev_warn (&device->cdev->dev, "The tape unit cannot process " + "the tape format\n"); return tape_34xx_erp_failed(request, -EMEDIUMTYPE); case 0x30: /* The medium is write protected. */ - PRINT_WARN("Medium is write protected!\n"); + 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. - PRINT_WARN("The drive lost tape tension.\n"); + 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. */ - PRINT_WARN("Cartridge load failure. Reload the cartridge " - "and try again.\n"); + dev_warn (&device->cdev->dev, "The tape unit failed to load" + " the cartridge\n"); tape_34xx_delete_sbid_from(device, 0); return tape_34xx_erp_failed(request, -EIO); case 0x34: @@ -576,8 +567,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * Unload failure. The drive cannot maintain tape tension * and control tape movement during an unload operation. */ - PRINT_WARN("Failure during cartridge unload. " - "Please try manually.\n"); + 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]); @@ -589,8 +580,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * - the cartridge loader does not respond correctly * - a failure occurs during an index, load, or unload cycle */ - PRINT_WARN("Equipment check! Please check the drive and " - "the cartridge loader.\n"); + dev_warn (&device->cdev->dev, "An equipment check has occurred" + " on the tape unit\n"); return tape_34xx_erp_failed(request, -EIO); case 0x36: if (device->cdev->id.driver_info == tape_3490) @@ -603,7 +594,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * Tape length error. The tape is shorter than reported in * the beginning-of-tape data. */ - PRINT_WARN("Tape length error.\n"); + dev_warn (&device->cdev->dev, "The tape information states an" + " incorrect length\n"); return tape_34xx_erp_failed(request, -EIO); case 0x38: /* @@ -620,12 +612,12 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, return tape_34xx_erp_failed(request, -EIO); case 0x3a: /* Drive switched to not ready. */ - PRINT_WARN("Drive not ready. Turn the ready/not ready switch " - "to ready position and try again.\n"); + 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. */ - PRINT_WARN("Medium was rewound or unloaded manually.\n"); + dev_warn (&device->cdev->dev, "The tape medium has been " + "rewound or unloaded manually\n"); tape_34xx_delete_sbid_from(device, 0); return tape_34xx_erp_failed(request, -EIO); case 0x42: @@ -633,7 +625,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * Degraded mode. A condition that can cause degraded * performance is detected. */ - PRINT_WARN("Subsystem is running in degraded mode.\n"); + dev_warn (&device->cdev->dev, "The tape subsystem is running " + "in degraded mode\n"); return tape_34xx_erp_retry(request); case 0x43: /* Drive not ready. */ @@ -652,7 +645,6 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, break; } } - PRINT_WARN("The drive is not ready.\n"); return tape_34xx_erp_failed(request, -ENOMEDIUM); case 0x44: /* Locate Block unsuccessful. */ @@ -663,7 +655,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, return tape_34xx_erp_failed(request, -EIO); case 0x45: /* The drive is assigned to a different channel path. */ - PRINT_WARN("The drive is assigned elsewhere.\n"); + dev_warn (&device->cdev->dev, "The tape unit is already " + "assigned\n"); return tape_34xx_erp_failed(request, -EIO); case 0x46: /* @@ -671,11 +664,12 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * the power supply may be switched off or * the drive address may not be set correctly. */ - PRINT_WARN("The drive is not on-line."); + 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. */ - PRINT_WARN("Volume fenced. The volume integrity is lost.\n"); + dev_warn (&device->cdev->dev, "The control unit has fenced " + "access to the tape volume\n"); tape_34xx_delete_sbid_from(device, 0); return tape_34xx_erp_failed(request, -EIO); case 0x48: @@ -683,20 +677,21 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, return tape_34xx_erp_retry(request); case 0x49: /* Bus out check. A parity check error on the bus was found. */ - PRINT_WARN("Bus out check. A data transfer over the bus " - "has been corrupted.\n"); + 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. */ - PRINT_WARN("The control unit I/O error recovery failed.\n"); + 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. */ - PRINT_WARN("The drive needs microprogram patches from the " - "control unit, which are not available.\n"); + dev_warn (&device->cdev->dev, "The tape unit requires a " + "firmware update\n"); return tape_34xx_erp_failed(request, -EIO); case 0x4c: /* @@ -721,8 +716,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * the block to be written is larger than allowed for * buffered mode. */ - PRINT_WARN("Maximum block size for buffered " - "mode exceeded.\n"); + dev_warn (&device->cdev->dev, "The maximum block size" + " for buffered mode is exceeded\n"); return tape_34xx_erp_failed(request, -ENOBUFS); } /* This erpa is reserved for 3480. */ @@ -759,22 +754,20 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, return tape_34xx_erp_retry(request); case 0x55: /* Channel interface recovery (permanent). */ - PRINT_WARN("A permanent channel interface error occurred.\n"); + dev_warn (&device->cdev->dev, "A channel interface error cannot be" + " recovered\n"); return tape_34xx_erp_failed(request, -EIO); case 0x56: /* Channel protocol error. */ - PRINT_WARN("A channel protocol error occurred.\n"); + dev_warn (&device->cdev->dev, "A channel protocol error " + "occurred\n"); return tape_34xx_erp_failed(request, -EIO); case 0x57: if (device->cdev->id.driver_info == tape_3480) { /* Attention intercept. */ - PRINT_WARN("An attention intercept occurred, " - "which will be recovered.\n"); return tape_34xx_erp_retry(request); } else { /* Global status intercept. */ - PRINT_WARN("An global status intercept was received, " - "which will be recovered.\n"); return tape_34xx_erp_retry(request); } case 0x5a: @@ -782,42 +775,31 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request, * Tape length incompatible. The tape inserted is too long, * which could cause damage to the tape or the drive. */ - PRINT_WARN("Tape Length Incompatible\n"); - PRINT_WARN("Tape length exceeds IBM enhanced capacity " - "cartdridge length or a medium\n"); - PRINT_WARN("with EC-CST identification mark has been mounted " - "in a device that writes\n"); - PRINT_WARN("3480 or 3480 XF format.\n"); + dev_warn (&device->cdev->dev, "The tape unit does not support " + "the tape length\n"); return tape_34xx_erp_failed(request, -EIO); case 0x5b: /* Format 3480 XF incompatible */ if (sense[1] & SENSE_BEGINNING_OF_TAPE) /* The tape will get overwritten. */ return tape_34xx_erp_retry(request); - PRINT_WARN("Format 3480 XF Incompatible\n"); - PRINT_WARN("Medium has been created in 3480 format. " - "To change the format writes\n"); - PRINT_WARN("must be issued at BOT.\n"); + dev_warn (&device->cdev->dev, "The tape unit does not support" + " format 3480 XF\n"); return tape_34xx_erp_failed(request, -EIO); case 0x5c: /* Format 3480-2 XF incompatible */ - PRINT_WARN("Format 3480-2 XF Incompatible\n"); - PRINT_WARN("Device can only read 3480 or 3480 XF format.\n"); + dev_warn (&device->cdev->dev, "The tape unit does not support tape " + "format 3480-2 XF\n"); return tape_34xx_erp_failed(request, -EIO); case 0x5d: /* Tape length violation. */ - PRINT_WARN("Tape Length Violation\n"); - PRINT_WARN("The mounted tape exceeds IBM Enhanced Capacity " - "Cartdridge System Tape length.\n"); - PRINT_WARN("This may cause damage to the drive or tape when " - "processing to the EOV\n"); + 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. */ - PRINT_WARN("Compaction Algorithm Incompatible\n"); - PRINT_WARN("The volume is recorded using an incompatible " - "compaction algorithm,\n"); - PRINT_WARN("which is not supported by the device.\n"); + 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. */ @@ -848,7 +830,6 @@ tape_34xx_irq(struct tape_device *device, struct tape_request *request, (irb->scsw.cmd.dstat & DEV_STAT_DEV_END) && (request->op == TO_WRI)) { /* Write at end of volume */ - PRINT_INFO("End of volume\n"); /* XXX */ return tape_34xx_erp_failed(request, -ENOSPC); } @@ -869,9 +850,7 @@ tape_34xx_irq(struct tape_device *device, struct tape_request *request, } DBF_EVENT(6, "xunknownirq\n"); - PRINT_ERR("Unexpected interrupt.\n"); - PRINT_ERR("Current op is: %s", tape_op_verbose[request->op]); - tape_dump_sense(device, request, irb); + tape_dump_sense_dbf(device, request, irb); return TAPE_IO_STOP; } diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 71605a179d6..fc1d9129414 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -8,12 +8,15 @@ * Martin Schwidefsky <schwidefsky@de.ibm.com> */ +#define KMSG_COMPONENT "tape" + #include <linux/module.h> #include <linux/init.h> #include <linux/bio.h> #include <asm/ebcdic.h> #define TAPE_DBF_AREA tape_3590_dbf +#define BUFSIZE 512 /* size of buffers for dynamic generated messages */ #include "tape.h" #include "tape_std.h" @@ -36,7 +39,7 @@ EXPORT_SYMBOL(TAPE_DBF_AREA); * - Read Alternate: implemented *******************************************************************/ -#define PRINTK_HEADER "TAPE_3590: " +#define KMSG_COMPONENT "tape" static const char *tape_3590_msg[TAPE_3590_MAX_MSG] = { [0x00] = "", @@ -661,8 +664,7 @@ tape_3590_bread(struct tape_device *device, struct request *req) ccw++; dst += TAPEBLOCK_HSEC_SIZE; } - if (off > bv->bv_len) - BUG(); + BUG_ON(off > bv->bv_len); } ccw = tape_ccw_end(ccw, NOP, 0, NULL); DBF_EVENT(6, "xBREDccwg\n"); @@ -726,7 +728,7 @@ static void tape_3590_med_state_set(struct tape_device *device, } c_info->medium_status |= TAPE390_MEDIUM_LOADED_MASK; if (sense->flags & MSENSE_CRYPT_MASK) { - PRINT_INFO("Medium is encrypted (%04x)\n", sense->flags); + DBF_EVENT(6, "Medium is encrypted (%04x)\n", sense->flags); c_info->medium_status |= TAPE390_MEDIUM_ENCRYPTED_MASK; } else { DBF_EVENT(6, "Medium is not encrypted %04x\n", sense->flags); @@ -847,8 +849,7 @@ tape_3590_unsolicited_irq(struct tape_device *device, struct irb *irb) tape_3590_schedule_work(device, TO_READ_ATTMSG); } else { DBF_EVENT(3, "unsol.irq! dev end: %08x\n", device->cdev_id); - PRINT_WARN("Unsolicited IRQ (Device End) caught.\n"); - tape_dump_sense(device, NULL, irb); + tape_dump_sense_dbf(device, NULL, irb); } /* check medium state */ tape_3590_schedule_work(device, TO_MSEN); @@ -876,8 +877,6 @@ tape_3590_erp_basic(struct tape_device *device, struct tape_request *request, case SENSE_BRA_DRE: return tape_3590_erp_failed(device, request, irb, rc); default: - PRINT_ERR("Unknown BRA %x - This should not happen!\n", - sense->bra); BUG(); return TAPE_IO_STOP; } @@ -910,7 +909,8 @@ tape_3590_erp_swap(struct tape_device *device, struct tape_request *request, * should proceed with the new tape... this * should probably be done in user space! */ - PRINT_WARN("(%s): Swap Tape Device!\n", dev_name(&device->cdev->dev)); + dev_warn (&device->cdev->dev, "The tape medium must be loaded into a " + "different tape unit\n"); return tape_3590_erp_basic(device, request, irb, -EIO); } @@ -985,8 +985,6 @@ tape_3590_erp_read_opposite(struct tape_device *device, return tape_3590_erp_failed(device, request, irb, -EIO); break; default: - PRINT_WARN("read_opposite_recovery_called_with_op: %s\n", - tape_op_verbose[request->op]); return tape_3590_erp_failed(device, request, irb, -EIO); } } @@ -998,50 +996,61 @@ static void tape_3590_print_mim_msg_f0(struct tape_device *device, struct irb *irb) { struct tape_3590_sense *sense; + char *exception, *service; + + exception = kmalloc(BUFSIZE, GFP_ATOMIC); + service = kmalloc(BUFSIZE, GFP_ATOMIC); + + if (!exception || !service) + goto out_nomem; sense = (struct tape_3590_sense *) irb->ecw; /* Exception Message */ switch (sense->fmt.f70.emc) { case 0x02: - PRINT_WARN("(%s): Data degraded\n", - dev_name(&device->cdev->dev)); + snprintf(exception, BUFSIZE, "Data degraded"); break; case 0x03: - PRINT_WARN("(%s): Data degraded in partion %i\n", - dev_name(&device->cdev->dev), sense->fmt.f70.mp); + snprintf(exception, BUFSIZE, "Data degraded in partion %i", + sense->fmt.f70.mp); break; case 0x04: - PRINT_WARN("(%s): Medium degraded\n", - dev_name(&device->cdev->dev)); + snprintf(exception, BUFSIZE, "Medium degraded"); break; case 0x05: - PRINT_WARN("(%s): Medium degraded in partition %i\n", - dev_name(&device->cdev->dev), sense->fmt.f70.mp); + snprintf(exception, BUFSIZE, "Medium degraded in partition %i", + sense->fmt.f70.mp); break; case 0x06: - PRINT_WARN("(%s): Block 0 Error\n", - dev_name(&device->cdev->dev)); + snprintf(exception, BUFSIZE, "Block 0 Error"); break; case 0x07: - PRINT_WARN("(%s): Medium Exception 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f70.md); + snprintf(exception, BUFSIZE, "Medium Exception 0x%02x", + sense->fmt.f70.md); break; default: - PRINT_WARN("(%s): MIM ExMsg: 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f70.emc); + snprintf(exception, BUFSIZE, "0x%02x", + sense->fmt.f70.emc); break; } /* Service Message */ switch (sense->fmt.f70.smc) { case 0x02: - PRINT_WARN("(%s): Reference Media maintenance procedure %i\n", - dev_name(&device->cdev->dev), sense->fmt.f70.md); + snprintf(service, BUFSIZE, "Reference Media maintenance " + "procedure %i", sense->fmt.f70.md); break; default: - PRINT_WARN("(%s): MIM ServiceMsg: 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f70.smc); + snprintf(service, BUFSIZE, "0x%02x", + sense->fmt.f70.smc); break; } + + dev_warn (&device->cdev->dev, "Tape media information: exception %s, " + "service %s\n", exception, service); + +out_nomem: + kfree(exception); + kfree(service); } /* @@ -1051,108 +1060,108 @@ static void tape_3590_print_io_sim_msg_f1(struct tape_device *device, struct irb *irb) { struct tape_3590_sense *sense; + char *exception, *service; + + exception = kmalloc(BUFSIZE, GFP_ATOMIC); + service = kmalloc(BUFSIZE, GFP_ATOMIC); + + if (!exception || !service) + goto out_nomem; sense = (struct tape_3590_sense *) irb->ecw; /* Exception Message */ switch (sense->fmt.f71.emc) { case 0x01: - PRINT_WARN("(%s): Effect of failure is unknown\n", - dev_name(&device->cdev->dev)); + snprintf(exception, BUFSIZE, "Effect of failure is unknown"); break; case 0x02: - PRINT_WARN("(%s): CU Exception - no performance impact\n", - dev_name(&device->cdev->dev)); + snprintf(exception, BUFSIZE, "CU Exception - no performance " + "impact"); break; case 0x03: - PRINT_WARN("(%s): CU Exception on channel interface 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); + snprintf(exception, BUFSIZE, "CU Exception on channel " + "interface 0x%02x", sense->fmt.f71.md[0]); break; case 0x04: - PRINT_WARN("(%s): CU Exception on device path 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); + snprintf(exception, BUFSIZE, "CU Exception on device path " + "0x%02x", sense->fmt.f71.md[0]); break; case 0x05: - PRINT_WARN("(%s): CU Exception on library path 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); + snprintf(exception, BUFSIZE, "CU Exception on library path " + "0x%02x", sense->fmt.f71.md[0]); break; case 0x06: - PRINT_WARN("(%s): CU Exception on node 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); + snprintf(exception, BUFSIZE, "CU Exception on node 0x%02x", + sense->fmt.f71.md[0]); break; case 0x07: - PRINT_WARN("(%s): CU Exception on partition 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); + snprintf(exception, BUFSIZE, "CU Exception on partition " + "0x%02x", sense->fmt.f71.md[0]); break; default: - PRINT_WARN("(%s): SIM ExMsg: 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.emc); + snprintf(exception, BUFSIZE, "0x%02x", + sense->fmt.f71.emc); } /* Service Message */ switch (sense->fmt.f71.smc) { case 0x01: - PRINT_WARN("(%s): Repair impact is unknown\n", - dev_name(&device->cdev->dev)); + snprintf(service, BUFSIZE, "Repair impact is unknown"); break; case 0x02: - PRINT_WARN("(%s): Repair will not impact cu performance\n", - dev_name(&device->cdev->dev)); + snprintf(service, BUFSIZE, "Repair will not impact cu " + "performance"); break; case 0x03: if (sense->fmt.f71.mdf == 0) - PRINT_WARN("(%s): Repair will disable node " - "0x%x on CU\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1]); + snprintf(service, BUFSIZE, "Repair will disable node " + "0x%x on CU", sense->fmt.f71.md[1]); else - PRINT_WARN("(%s): Repair will disable nodes " - "(0x%x-0x%x) on CU\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1], sense->fmt.f71.md[2]); + snprintf(service, BUFSIZE, "Repair will disable " + "nodes (0x%x-0x%x) on CU", sense->fmt.f71.md[1], + sense->fmt.f71.md[2]); break; case 0x04: if (sense->fmt.f71.mdf == 0) - PRINT_WARN("(%s): Repair will disable cannel path " - "0x%x on CU\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1]); + snprintf(service, BUFSIZE, "Repair will disable " + "channel path 0x%x on CU", + sense->fmt.f71.md[1]); else - PRINT_WARN("(%s): Repair will disable cannel paths " - "(0x%x-0x%x) on CU\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1], sense->fmt.f71.md[2]); + snprintf(service, BUFSIZE, "Repair will disable cannel" + " paths (0x%x-0x%x) on CU", + sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x05: if (sense->fmt.f71.mdf == 0) - PRINT_WARN("(%s): Repair will disable device path " - "0x%x on CU\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1]); + snprintf(service, BUFSIZE, "Repair will disable device" + " path 0x%x on CU", sense->fmt.f71.md[1]); else - PRINT_WARN("(%s): Repair will disable device paths " - "(0x%x-0x%x) on CU\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1], sense->fmt.f71.md[2]); + snprintf(service, BUFSIZE, "Repair will disable device" + " paths (0x%x-0x%x) on CU", + sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x06: if (sense->fmt.f71.mdf == 0) - PRINT_WARN("(%s): Repair will disable library path " - "0x%x on CU\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1]); + snprintf(service, BUFSIZE, "Repair will disable " + "library path 0x%x on CU", + sense->fmt.f71.md[1]); else - PRINT_WARN("(%s): Repair will disable library paths " - "(0x%x-0x%x) on CU\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1], sense->fmt.f71.md[2]); + snprintf(service, BUFSIZE, "Repair will disable " + "library paths (0x%x-0x%x) on CU", + sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x07: - PRINT_WARN("(%s): Repair will disable access to CU\n", - dev_name(&device->cdev->dev)); + snprintf(service, BUFSIZE, "Repair will disable access to CU"); break; default: - PRINT_WARN("(%s): SIM ServiceMsg: 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.smc); + snprintf(service, BUFSIZE, "0x%02x", + sense->fmt.f71.smc); } + + dev_warn (&device->cdev->dev, "I/O subsystem information: exception" + " %s, service %s\n", exception, service); +out_nomem: + kfree(exception); + kfree(service); } /* @@ -1162,111 +1171,109 @@ static void tape_3590_print_dev_sim_msg_f2(struct tape_device *device, struct irb *irb) { struct tape_3590_sense *sense; + char *exception, *service; + + exception = kmalloc(BUFSIZE, GFP_ATOMIC); + service = kmalloc(BUFSIZE, GFP_ATOMIC); + + if (!exception || !service) + goto out_nomem; sense = (struct tape_3590_sense *) irb->ecw; /* Exception Message */ switch (sense->fmt.f71.emc) { case 0x01: - PRINT_WARN("(%s): Effect of failure is unknown\n", - dev_name(&device->cdev->dev)); + snprintf(exception, BUFSIZE, "Effect of failure is unknown"); break; case 0x02: - PRINT_WARN("(%s): DV Exception - no performance impact\n", - dev_name(&device->cdev->dev)); + snprintf(exception, BUFSIZE, "DV Exception - no performance" + " impact"); break; case 0x03: - PRINT_WARN("(%s): DV Exception on channel interface 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); + snprintf(exception, BUFSIZE, "DV Exception on channel " + "interface 0x%02x", sense->fmt.f71.md[0]); break; case 0x04: - PRINT_WARN("(%s): DV Exception on loader 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); + snprintf(exception, BUFSIZE, "DV Exception on loader 0x%02x", + sense->fmt.f71.md[0]); break; case 0x05: - PRINT_WARN("(%s): DV Exception on message display 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); + snprintf(exception, BUFSIZE, "DV Exception on message display" + " 0x%02x", sense->fmt.f71.md[0]); break; case 0x06: - PRINT_WARN("(%s): DV Exception in tape path\n", - dev_name(&device->cdev->dev)); + snprintf(exception, BUFSIZE, "DV Exception in tape path"); break; case 0x07: - PRINT_WARN("(%s): DV Exception in drive\n", - dev_name(&device->cdev->dev)); + snprintf(exception, BUFSIZE, "DV Exception in drive"); break; default: - PRINT_WARN("(%s): DSIM ExMsg: 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.emc); + snprintf(exception, BUFSIZE, "0x%02x", + sense->fmt.f71.emc); } /* Service Message */ switch (sense->fmt.f71.smc) { case 0x01: - PRINT_WARN("(%s): Repair impact is unknown\n", - dev_name(&device->cdev->dev)); + snprintf(service, BUFSIZE, "Repair impact is unknown"); break; case 0x02: - PRINT_WARN("(%s): Repair will not impact device performance\n", - dev_name(&device->cdev->dev)); + snprintf(service, BUFSIZE, "Repair will not impact device " + "performance"); break; case 0x03: if (sense->fmt.f71.mdf == 0) - PRINT_WARN("(%s): Repair will disable channel path " - "0x%x on DV\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1]); + snprintf(service, BUFSIZE, "Repair will disable " + "channel path 0x%x on DV", + sense->fmt.f71.md[1]); else - PRINT_WARN("(%s): Repair will disable channel path " - "(0x%x-0x%x) on DV\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1], sense->fmt.f71.md[2]); + snprintf(service, BUFSIZE, "Repair will disable " + "channel path (0x%x-0x%x) on DV", + sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x04: if (sense->fmt.f71.mdf == 0) - PRINT_WARN("(%s): Repair will disable interface 0x%x " - "on DV\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1]); + snprintf(service, BUFSIZE, "Repair will disable " + "interface 0x%x on DV", sense->fmt.f71.md[1]); else - PRINT_WARN("(%s): Repair will disable interfaces " - "(0x%x-0x%x) on DV\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1], sense->fmt.f71.md[2]); + snprintf(service, BUFSIZE, "Repair will disable " + "interfaces (0x%x-0x%x) on DV", + sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x05: if (sense->fmt.f71.mdf == 0) - PRINT_WARN("(%s): Repair will disable loader 0x%x " - "on DV\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1]); + snprintf(service, BUFSIZE, "Repair will disable loader" + " 0x%x on DV", sense->fmt.f71.md[1]); else - PRINT_WARN("(%s): Repair will disable loader " - "(0x%x-0x%x) on DV\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1], sense->fmt.f71.md[2]); + snprintf(service, BUFSIZE, "Repair will disable loader" + " (0x%x-0x%x) on DV", + sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x07: - PRINT_WARN("(%s): Repair will disable access to DV\n", - dev_name(&device->cdev->dev)); + snprintf(service, BUFSIZE, "Repair will disable access to DV"); break; case 0x08: if (sense->fmt.f71.mdf == 0) - PRINT_WARN("(%s): Repair will disable message " - "display 0x%x on DV\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1]); + snprintf(service, BUFSIZE, "Repair will disable " + "message display 0x%x on DV", + sense->fmt.f71.md[1]); else - PRINT_WARN("(%s): Repair will disable message " - "displays (0x%x-0x%x) on DV\n", - dev_name(&device->cdev->dev), - sense->fmt.f71.md[1], sense->fmt.f71.md[2]); + snprintf(service, BUFSIZE, "Repair will disable " + "message displays (0x%x-0x%x) on DV", + sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x09: - PRINT_WARN("(%s): Clean DV\n", dev_name(&device->cdev->dev)); + snprintf(service, BUFSIZE, "Clean DV"); break; default: - PRINT_WARN("(%s): DSIM ServiceMsg: 0x%02x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.smc); + snprintf(service, BUFSIZE, "0x%02x", + sense->fmt.f71.smc); } + + dev_warn (&device->cdev->dev, "Device subsystem information: exception" + " %s, service %s\n", exception, service); +out_nomem: + kfree(exception); + kfree(service); } /* @@ -1282,46 +1289,44 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) return; if ((sense->mc > 0) && (sense->mc < TAPE_3590_MAX_MSG)) { if (tape_3590_msg[sense->mc] != NULL) - PRINT_WARN("(%s): %s\n", dev_name(&device->cdev->dev), - tape_3590_msg[sense->mc]); - else { - PRINT_WARN("(%s): Message Code 0x%x\n", - dev_name(&device->cdev->dev), sense->mc); - } + dev_warn (&device->cdev->dev, "The tape unit has " + "issued sense message %s\n", + tape_3590_msg[sense->mc]); + else + dev_warn (&device->cdev->dev, "The tape unit has " + "issued an unknown sense message code 0x%x\n", + sense->mc); return; } if (sense->mc == 0xf0) { /* Standard Media Information Message */ - PRINT_WARN("(%s): MIM SEV=%i, MC=%02x, ES=%x/%x, " - "RC=%02x-%04x-%02x\n", dev_name(&device->cdev->dev), - sense->fmt.f70.sev, sense->mc, - sense->fmt.f70.emc, sense->fmt.f70.smc, - sense->fmt.f70.refcode, sense->fmt.f70.mid, - sense->fmt.f70.fid); + dev_warn (&device->cdev->dev, "MIM SEV=%i, MC=%02x, ES=%x/%x, " + "RC=%02x-%04x-%02x\n", sense->fmt.f70.sev, sense->mc, + sense->fmt.f70.emc, sense->fmt.f70.smc, + sense->fmt.f70.refcode, sense->fmt.f70.mid, + sense->fmt.f70.fid); tape_3590_print_mim_msg_f0(device, irb); return; } if (sense->mc == 0xf1) { /* Standard I/O Subsystem Service Information Message */ - PRINT_WARN("(%s): IOSIM SEV=%i, DEVTYPE=3590/%02x, " - "MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.sev, - device->cdev->id.dev_model, - sense->mc, sense->fmt.f71.emc, - sense->fmt.f71.smc, sense->fmt.f71.refcode1, - sense->fmt.f71.refcode2, sense->fmt.f71.refcode3); + dev_warn (&device->cdev->dev, "IOSIM SEV=%i, DEVTYPE=3590/%02x," + " MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n", + sense->fmt.f71.sev, device->cdev->id.dev_model, + sense->mc, sense->fmt.f71.emc, sense->fmt.f71.smc, + sense->fmt.f71.refcode1, sense->fmt.f71.refcode2, + sense->fmt.f71.refcode3); tape_3590_print_io_sim_msg_f1(device, irb); return; } if (sense->mc == 0xf2) { /* Standard Device Service Information Message */ - PRINT_WARN("(%s): DEVSIM SEV=%i, DEVTYPE=3590/%02x, " - "MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n", - dev_name(&device->cdev->dev), sense->fmt.f71.sev, - device->cdev->id.dev_model, - sense->mc, sense->fmt.f71.emc, - sense->fmt.f71.smc, sense->fmt.f71.refcode1, - sense->fmt.f71.refcode2, sense->fmt.f71.refcode3); + dev_warn (&device->cdev->dev, "DEVSIM SEV=%i, DEVTYPE=3590/%02x" + ", MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n", + sense->fmt.f71.sev, device->cdev->id.dev_model, + sense->mc, sense->fmt.f71.emc, sense->fmt.f71.smc, + sense->fmt.f71.refcode1, sense->fmt.f71.refcode2, + sense->fmt.f71.refcode3); tape_3590_print_dev_sim_msg_f2(device, irb); return; } @@ -1329,8 +1334,8 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) /* Standard Library Service Information Message */ return; } - PRINT_WARN("(%s): Device Message(%x)\n", - dev_name(&device->cdev->dev), sense->mc); + dev_warn (&device->cdev->dev, "The tape unit has issued an unknown " + "sense message code %x\n", sense->mc); } static int tape_3590_crypt_error(struct tape_device *device, @@ -1355,9 +1360,8 @@ static int tape_3590_crypt_error(struct tape_device *device, /* No connection to EKM */ return tape_3590_erp_basic(device, request, irb, -ENOTCONN); - PRINT_ERR("(%s): Unable to get encryption key from EKM\n", bus_id); - PRINT_ERR("(%s): CU=%02X DRIVE=%06X EKM=%02X:%04X\n", bus_id, cu_rc, - drv_rc, ekm_rc1, ekm_rc2); + dev_err (&device->cdev->dev, "The tape unit failed to obtain the " + "encryption key from EKM\n"); return tape_3590_erp_basic(device, request, irb, -ENOKEY); } @@ -1443,8 +1447,6 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, * print additional msg since default msg * "device intervention" is not very meaningfull */ - PRINT_WARN("(%s): Tape operation when medium not loaded\n", - dev_name(&device->cdev->dev)); tape_med_state_set(device, MS_UNLOADED); tape_3590_schedule_work(device, TO_CRYPT_OFF); return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM); @@ -1490,19 +1492,13 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM); case 0x6020: - PRINT_WARN("(%s): Cartridge of wrong type ?\n", - dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EMEDIUMTYPE); case 0x8011: - PRINT_WARN("(%s): Another host has reserved the tape device\n", - dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EPERM); case 0x8013: - PRINT_WARN("(%s): Another host has privileged access to the " - "tape device\n", dev_name(&device->cdev->dev)); - PRINT_WARN("(%s): To solve the problem unload the current " - "cartridge!\n", dev_name(&device->cdev->dev)); + dev_warn (&device->cdev->dev, "A different host has privileged" + " access to the tape unit\n"); return tape_3590_erp_basic(device, request, irb, -EPERM); default: return tape_3590_erp_basic(device, request, irb, -EIO); @@ -1552,9 +1548,7 @@ tape_3590_irq(struct tape_device *device, struct tape_request *request, } DBF_EVENT(6, "xunknownirq\n"); - PRINT_ERR("Unexpected interrupt.\n"); - PRINT_ERR("Current op is: %s", tape_op_verbose[request->op]); - tape_dump_sense(device, request, irb); + tape_dump_sense_dbf(device, request, irb); return TAPE_IO_STOP; } @@ -1609,7 +1603,6 @@ tape_3590_setup_device(struct tape_device *device) if (rc) goto fail_rdc_data; if (rdc_data->data[31] == 0x13) { - PRINT_INFO("Device has crypto support\n"); data->crypt_info.capability |= TAPE390_CRYPT_SUPPORTED_MASK; tape_3592_disable_crypt(device); } else { diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index ae18baf59f0..f32e89e7c4f 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -10,6 +10,8 @@ * Stefan Bader <shbader@de.ibm.com> */ +#define KMSG_COMPONENT "tape" + #include <linux/fs.h> #include <linux/module.h> #include <linux/blkdev.h> @@ -23,8 +25,6 @@ #include "tape.h" -#define PRINTK_HEADER "TAPE_BLOCK: " - #define TAPEBLOCK_MAX_SEC 100 #define TAPEBLOCK_MIN_REQUEUE 3 @@ -279,8 +279,6 @@ tapeblock_cleanup_device(struct tape_device *device) tape_put_device(device); if (!device->blk_data.disk) { - PRINT_ERR("(%s): No gendisk to clean up!\n", - dev_name(&device->cdev->dev)); goto cleanup_queue; } @@ -314,7 +312,8 @@ tapeblock_revalidate_disk(struct gendisk *disk) if (!device->blk_data.medium_changed) return 0; - PRINT_INFO("Detecting media size...\n"); + dev_info(&device->cdev->dev, "Determining the size of the recorded " + "area...\n"); rc = tape_mtop(device, MTFSFM, 1); if (rc) return rc; @@ -341,7 +340,8 @@ tapeblock_revalidate_disk(struct gendisk *disk) device->bof = rc; nr_of_blks -= rc; - PRINT_INFO("Found %i blocks on media\n", nr_of_blks); + dev_info(&device->cdev->dev, "The size of the recorded area is %i " + "blocks\n", nr_of_blks); set_capacity(device->blk_data.disk, nr_of_blks*(TAPEBLOCK_HSEC_SIZE/512)); @@ -376,8 +376,8 @@ tapeblock_open(struct block_device *bdev, fmode_t mode) if (device->required_tapemarks) { DBF_EVENT(2, "TBLOCK: missing tapemarks\n"); - PRINT_ERR("TBLOCK: Refusing to open tape with missing" - " end of file marks.\n"); + dev_warn(&device->cdev->dev, "Opening the tape failed because" + " of missing end-of-file marks\n"); rc = -EPERM; goto put_device; } @@ -452,7 +452,6 @@ tapeblock_ioctl( rc = -EINVAL; break; default: - PRINT_WARN("invalid ioctl 0x%x\n", command); rc = -EINVAL; } @@ -474,7 +473,6 @@ tapeblock_init(void) if (tapeblock_major == 0) tapeblock_major = rc; - PRINT_INFO("tape gets major %d for block device\n", tapeblock_major); return 0; } diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c index be0ce2215c8..31566c55adf 100644 --- a/drivers/s390/char/tape_char.c +++ b/drivers/s390/char/tape_char.c @@ -24,8 +24,6 @@ #include "tape_std.h" #include "tape_class.h" -#define PRINTK_HEADER "TAPE_CHAR: " - #define TAPECHAR_MAJOR 0 /* get dynamic major */ /* @@ -102,8 +100,6 @@ tapechar_check_idalbuffer(struct tape_device *device, size_t block_size) if (block_size > MAX_BLOCKSIZE) { DBF_EVENT(3, "Invalid blocksize (%zd > %d)\n", block_size, MAX_BLOCKSIZE); - PRINT_ERR("Invalid blocksize (%zd> %d)\n", - block_size, MAX_BLOCKSIZE); return -EINVAL; } @@ -485,7 +481,6 @@ tapechar_init (void) return -1; tapechar_major = MAJOR(dev); - PRINT_INFO("tape gets major %d for character devices\n", MAJOR(dev)); return 0; } @@ -496,7 +491,5 @@ tapechar_init (void) void tapechar_exit(void) { - PRINT_INFO("tape releases major %d for character devices\n", - tapechar_major); unregister_chrdev_region(MKDEV(tapechar_major, 0), 256); } diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index f9bb51fa7f5..08c09d3503c 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -11,6 +11,7 @@ * Stefan Bader <shbader@de.ibm.com> */ +#define KMSG_COMPONENT "tape" #include <linux/module.h> #include <linux/init.h> // for kernel parameters #include <linux/kmod.h> // for requesting modules @@ -25,7 +26,6 @@ #include "tape.h" #include "tape_std.h" -#define PRINTK_HEADER "TAPE_CORE: " #define LONG_BUSY_TIMEOUT 180 /* seconds */ static void __tape_do_irq (struct ccw_device *, unsigned long, struct irb *); @@ -214,13 +214,13 @@ tape_med_state_set(struct tape_device *device, enum tape_medium_state newstate) switch(newstate){ case MS_UNLOADED: device->tape_generic_status |= GMT_DR_OPEN(~0); - PRINT_INFO("(%s): Tape is unloaded\n", - dev_name(&device->cdev->dev)); + dev_info(&device->cdev->dev, "The tape cartridge has been " + "successfully unloaded\n"); break; case MS_LOADED: device->tape_generic_status &= ~GMT_DR_OPEN(~0); - PRINT_INFO("(%s): Tape has been mounted\n", - dev_name(&device->cdev->dev)); + dev_info(&device->cdev->dev, "A tape cartridge has been " + "mounted\n"); break; default: // print nothing @@ -333,7 +333,6 @@ tape_generic_online(struct tape_device *device, /* Let the discipline have a go at the device. */ device->discipline = discipline; if (!try_module_get(discipline->owner)) { - PRINT_ERR("Cannot get module. Module gone.\n"); return -EINVAL; } @@ -391,7 +390,6 @@ int tape_generic_offline(struct tape_device *device) { if (!device) { - PRINT_ERR("tape_generic_offline: no such device\n"); return -ENODEV; } @@ -413,9 +411,6 @@ tape_generic_offline(struct tape_device *device) DBF_EVENT(3, "(%08x): Set offline failed " "- drive in use.\n", device->cdev_id); - PRINT_WARN("(%s): Set offline failed " - "- drive in use.\n", - dev_name(&device->cdev->dev)); spin_unlock_irq(get_ccwdev_lock(device->cdev)); return -EBUSY; } @@ -435,14 +430,11 @@ tape_alloc_device(void) device = kzalloc(sizeof(struct tape_device), GFP_KERNEL); if (device == NULL) { DBF_EXCEPTION(2, "ti:no mem\n"); - PRINT_INFO ("can't allocate memory for " - "tape info structure\n"); return ERR_PTR(-ENOMEM); } device->modeset_byte = kmalloc(1, GFP_KERNEL | GFP_DMA); if (device->modeset_byte == NULL) { DBF_EXCEPTION(2, "ti:no mem\n"); - PRINT_INFO("can't allocate memory for modeset byte\n"); kfree(device); return ERR_PTR(-ENOMEM); } @@ -490,7 +482,6 @@ tape_put_device(struct tape_device *device) } else { if (remain < 0) { DBF_EVENT(4, "put device without reference\n"); - PRINT_ERR("put device without reference\n"); } else { DBF_EVENT(4, "tape_free_device(%p)\n", device); kfree(device->modeset_byte); @@ -538,8 +529,6 @@ tape_generic_probe(struct ccw_device *cdev) ret = sysfs_create_group(&cdev->dev.kobj, &tape_attr_group); if (ret) { tape_put_device(device); - PRINT_ERR("probe failed for tape device %s\n", - dev_name(&cdev->dev)); return ret; } cdev->dev.driver_data = device; @@ -547,7 +536,6 @@ tape_generic_probe(struct ccw_device *cdev) device->cdev = cdev; ccw_device_get_id(cdev, &dev_id); device->cdev_id = devid_to_int(&dev_id); - PRINT_INFO("tape device %s found\n", dev_name(&cdev->dev)); return ret; } @@ -584,7 +572,6 @@ tape_generic_remove(struct ccw_device *cdev) device = cdev->dev.driver_data; if (!device) { - PRINT_ERR("No device pointer in tape_generic_remove!\n"); return; } DBF_LH(3, "(%08x): tape_generic_remove(%p)\n", device->cdev_id, cdev); @@ -615,10 +602,8 @@ tape_generic_remove(struct ccw_device *cdev) */ DBF_EVENT(3, "(%08x): Drive in use vanished!\n", device->cdev_id); - PRINT_WARN("(%s): Drive in use vanished - " - "expect trouble!\n", - dev_name(&device->cdev->dev)); - PRINT_WARN("State was %i\n", device->tape_state); + dev_warn(&device->cdev->dev, "A tape unit was detached" + " while in use\n"); tape_state_set(device, TS_NOT_OPER); __tape_discard_requests(device); spin_unlock_irq(get_ccwdev_lock(device->cdev)); @@ -639,8 +624,7 @@ tape_alloc_request(int cplength, int datasize) { struct tape_request *request; - if (datasize > PAGE_SIZE || (cplength*sizeof(struct ccw1)) > PAGE_SIZE) - BUG(); + BUG_ON(datasize > PAGE_SIZE || (cplength*sizeof(struct ccw1)) > PAGE_SIZE); DBF_LH(6, "tape_alloc_request(%d, %d)\n", cplength, datasize); @@ -797,8 +781,7 @@ static void tape_long_busy_timeout(unsigned long data) device = (struct tape_device *) data; spin_lock_irq(get_ccwdev_lock(device->cdev)); request = list_entry(device->req_queue.next, struct tape_request, list); - if (request->status != TAPE_REQUEST_LONG_BUSY) - BUG(); + BUG_ON(request->status != TAPE_REQUEST_LONG_BUSY); DBF_LH(6, "%08x: Long busy timeout.\n", device->cdev_id); __tape_start_next_request(device); device->lb_timeout.data = (unsigned long) tape_put_device(device); @@ -830,30 +813,6 @@ __tape_end_request( } /* - * Write sense data to console/dbf - */ -void -tape_dump_sense(struct tape_device* device, struct tape_request *request, - struct irb *irb) -{ - unsigned int *sptr; - - PRINT_INFO("-------------------------------------------------\n"); - PRINT_INFO("DSTAT : %02x CSTAT: %02x CPA: %04x\n", - irb->scsw.cmd.dstat, irb->scsw.cmd.cstat, irb->scsw.cmd.cpa); - PRINT_INFO("DEVICE: %s\n", dev_name(&device->cdev->dev)); - if (request != NULL) - PRINT_INFO("OP : %s\n", tape_op_verbose[request->op]); - - sptr = (unsigned int *) irb->ecw; - PRINT_INFO("Sense data: %08X %08X %08X %08X \n", - sptr[0], sptr[1], sptr[2], sptr[3]); - PRINT_INFO("Sense data: %08X %08X %08X %08X \n", - sptr[4], sptr[5], sptr[6], sptr[7]); - PRINT_INFO("--------------------------------------------------\n"); -} - -/* * Write sense data to dbf */ void @@ -1051,8 +1010,6 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) device = (struct tape_device *) cdev->dev.driver_data; if (device == NULL) { - PRINT_ERR("could not get device structure for %s " - "in interrupt\n", dev_name(&cdev->dev)); return; } request = (struct tape_request *) intparm; @@ -1064,13 +1021,13 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) /* FIXME: What to do with the request? */ switch (PTR_ERR(irb)) { case -ETIMEDOUT: - PRINT_WARN("(%s): Request timed out\n", + DBF_LH(1, "(%s): Request timed out\n", dev_name(&cdev->dev)); case -EIO: __tape_end_request(device, request, -EIO); break; default: - PRINT_ERR("(%s): Unexpected i/o error %li\n", + DBF_LH(1, "(%s): Unexpected i/o error %li\n", dev_name(&cdev->dev), PTR_ERR(irb)); } @@ -1182,8 +1139,6 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) default: if (rc > 0) { DBF_EVENT(6, "xunknownrc\n"); - PRINT_ERR("Invalid return code from discipline " - "interrupt function.\n"); __tape_end_request(device, request, -EIO); } else { __tape_end_request(device, request, rc); @@ -1323,7 +1278,6 @@ EXPORT_SYMBOL(tape_state_set); EXPORT_SYMBOL(tape_med_state_set); EXPORT_SYMBOL(tape_alloc_request); EXPORT_SYMBOL(tape_free_request); -EXPORT_SYMBOL(tape_dump_sense); EXPORT_SYMBOL(tape_dump_sense_dbf); EXPORT_SYMBOL(tape_do_io); EXPORT_SYMBOL(tape_do_io_async); diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c index 8a376af926a..202f4213293 100644 --- a/drivers/s390/char/tape_proc.c +++ b/drivers/s390/char/tape_proc.c @@ -20,8 +20,6 @@ #include "tape.h" -#define PRINTK_HEADER "TAPE_PROC: " - static const char *tape_med_st_verbose[MS_SIZE] = { [MS_UNKNOWN] = "UNKNOWN ", @@ -128,7 +126,6 @@ tape_proc_init(void) proc_create("tapedevices", S_IFREG | S_IRUGO | S_IWUSR, NULL, &tape_proc_ops); if (tape_proc_devices == NULL) { - PRINT_WARN("tape: Cannot register procfs entry tapedevices\n"); return; } } diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c index 5bd573d144d..1a9420ba518 100644 --- a/drivers/s390/char/tape_std.c +++ b/drivers/s390/char/tape_std.c @@ -26,8 +26,6 @@ #include "tape.h" #include "tape_std.h" -#define PRINTK_HEADER "TAPE_STD: " - /* * tape_std_assign */ @@ -39,16 +37,15 @@ tape_std_assign_timeout(unsigned long data) int rc; request = (struct tape_request *) data; - if ((device = request->device) == NULL) - BUG(); + device = request->device; + BUG_ON(!device); DBF_EVENT(3, "%08x: Assignment timeout. Device busy.\n", device->cdev_id); rc = tape_cancel_io(device, request); if(rc) - PRINT_ERR("(%s): Assign timeout: Cancel failed with rc = %i\n", + DBF_EVENT(3, "(%s): Assign timeout: Cancel failed with rc = %i\n", dev_name(&device->cdev->dev), rc); - } int @@ -82,8 +79,6 @@ tape_std_assign(struct tape_device *device) del_timer(&timeout); if (rc != 0) { - PRINT_WARN("%s: assign failed - device might be busy\n", - dev_name(&device->cdev->dev)); DBF_EVENT(3, "%08x: assign failed - device might be busy\n", device->cdev_id); } else { @@ -105,8 +100,6 @@ tape_std_unassign (struct tape_device *device) if (device->tape_state == TS_NOT_OPER) { DBF_EVENT(3, "(%08x): Can't unassign device\n", device->cdev_id); - PRINT_WARN("(%s): Can't unassign device - device gone\n", - dev_name(&device->cdev->dev)); return -EIO; } @@ -120,8 +113,6 @@ tape_std_unassign (struct tape_device *device) if ((rc = tape_do_io(device, request)) != 0) { DBF_EVENT(3, "%08x: Unassign failed\n", device->cdev_id); - PRINT_WARN("%s: Unassign failed\n", - dev_name(&device->cdev->dev)); } else { DBF_EVENT(3, "%08x: Tape unassigned\n", device->cdev_id); } @@ -242,8 +233,6 @@ tape_std_mtsetblk(struct tape_device *device, int count) if (count > MAX_BLOCKSIZE) { DBF_EVENT(3, "Invalid block size (%d > %d) given.\n", count, MAX_BLOCKSIZE); - PRINT_ERR("Invalid block size (%d > %d) given.\n", - count, MAX_BLOCKSIZE); return -EINVAL; } @@ -633,14 +622,6 @@ tape_std_mtcompression(struct tape_device *device, int mt_count) if (mt_count < 0 || mt_count > 1) { DBF_EXCEPTION(6, "xcom parm\n"); - if (*device->modeset_byte & 0x08) - PRINT_INFO("(%s) Compression is currently on\n", - dev_name(&device->cdev->dev)); - else - PRINT_INFO("(%s) Compression is currently off\n", - dev_name(&device->cdev->dev)); - PRINT_INFO("Use 1 to switch compression on, 0 to " - "switch it off\n"); return -EINVAL; } request = tape_alloc_request(2, 0); diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index eefc6611412..1bbae433fbd 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -5,7 +5,7 @@ * * For more information please refer to Documentation/s390/zfcpdump.txt * - * Copyright IBM Corp. 2003,2007 + * Copyright IBM Corp. 2003,2008 * Author(s): Michael Holzheu */ @@ -24,6 +24,7 @@ #include <asm/debug.h> #include <asm/processor.h> #include <asm/irqflags.h> +#include <asm/checksum.h> #include "sclp.h" #define TRACE(x...) debug_sprintf_event(zcore_dbf, 1, x) @@ -48,12 +49,19 @@ struct sys_info { union save_area lc_mask; }; +struct ipib_info { + unsigned long ipib; + u32 checksum; +} __attribute__((packed)); + static struct sys_info sys_info; static struct debug_info *zcore_dbf; static int hsa_available; static struct dentry *zcore_dir; static struct dentry *zcore_file; static struct dentry *zcore_memmap_file; +static struct dentry *zcore_reipl_file; +static struct ipl_parameter_block *ipl_block; /* * Copy memory from HSA to kernel or user memory (not reentrant): @@ -527,6 +535,33 @@ static const struct file_operations zcore_memmap_fops = { .release = zcore_memmap_release, }; +static ssize_t zcore_reipl_write(struct file *filp, const char __user *buf, + size_t count, loff_t *ppos) +{ + if (ipl_block) { + diag308(DIAG308_SET, ipl_block); + diag308(DIAG308_IPL, NULL); + } + return count; +} + +static int zcore_reipl_open(struct inode *inode, struct file *filp) +{ + return 0; +} + +static int zcore_reipl_release(struct inode *inode, struct file *filp) +{ + return 0; +} + +static const struct file_operations zcore_reipl_fops = { + .owner = THIS_MODULE, + .write = zcore_reipl_write, + .open = zcore_reipl_open, + .release = zcore_reipl_release, +}; + static void __init set_s390_lc_mask(union save_area *map) { @@ -645,6 +680,40 @@ static int __init zcore_header_init(int arch, struct zcore_header *hdr) return 0; } +/* + * Provide IPL parameter information block from either HSA or memory + * for future reipl + */ +static int __init zcore_reipl_init(void) +{ + struct ipib_info ipib_info; + int rc; + + rc = memcpy_hsa_kernel(&ipib_info, __LC_DUMP_REIPL, sizeof(ipib_info)); + if (rc) + return rc; + if (ipib_info.ipib == 0) + return 0; + ipl_block = (void *) __get_free_page(GFP_KERNEL); + if (!ipl_block) + return -ENOMEM; + if (ipib_info.ipib < ZFCPDUMP_HSA_SIZE) + rc = memcpy_hsa_kernel(ipl_block, ipib_info.ipib, PAGE_SIZE); + else + rc = memcpy_real(ipl_block, ipib_info.ipib, PAGE_SIZE); + if (rc) { + free_page((unsigned long) ipl_block); + return rc; + } + if (csum_partial(ipl_block, ipl_block->hdr.len, 0) != + ipib_info.checksum) { + TRACE("Checksum does not match\n"); + free_page((unsigned long) ipl_block); + ipl_block = NULL; + } + return 0; +} + static int __init zcore_init(void) { unsigned char arch; @@ -690,6 +759,10 @@ static int __init zcore_init(void) if (rc) goto fail; + rc = zcore_reipl_init(); + if (rc) + goto fail; + zcore_dir = debugfs_create_dir("zcore" , NULL); if (!zcore_dir) { rc = -ENOMEM; @@ -707,9 +780,17 @@ static int __init zcore_init(void) rc = -ENOMEM; goto fail_file; } + zcore_reipl_file = debugfs_create_file("reipl", S_IRUSR, zcore_dir, + NULL, &zcore_reipl_fops); + if (!zcore_reipl_file) { + rc = -ENOMEM; + goto fail_memmap_file; + } hsa_available = 1; return 0; +fail_memmap_file: + debugfs_remove(zcore_memmap_file); fail_file: debugfs_remove(zcore_file); fail_dir: @@ -723,10 +804,15 @@ static void __exit zcore_exit(void) { debug_unregister(zcore_dbf); sclp_sdias_exit(); + free_page((unsigned long) ipl_block); + debugfs_remove(zcore_reipl_file); + debugfs_remove(zcore_memmap_file); + debugfs_remove(zcore_file); + debugfs_remove(zcore_dir); diag308(DIAG308_REL_HSA, NULL); } -MODULE_AUTHOR("Copyright IBM Corp. 2003,2007"); +MODULE_AUTHOR("Copyright IBM Corp. 2003,2008"); MODULE_DESCRIPTION("zcore module for zfcpdump support"); MODULE_LICENSE("GPL"); |