diff options
Diffstat (limited to 'drivers')
82 files changed, 4573 insertions, 2046 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 1a402568336..1b6c52ef733 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -995,14 +995,14 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, now = get_clock(); DBF_EVENT(DBF_ERR, "Interrupt: bus_id %s CS/DS %04x ip %08x", - cdev->dev.bus_id, ((irb->scsw.cstat<<8)|irb->scsw.dstat), - (unsigned int) intparm); + cdev->dev.bus_id, ((irb->scsw.cmd.cstat << 8) | + irb->scsw.cmd.dstat), (unsigned int) intparm); /* check for unsolicited interrupts */ cqr = (struct dasd_ccw_req *) intparm; - if (!cqr || ((irb->scsw.cc == 1) && - (irb->scsw.fctl & SCSW_FCTL_START_FUNC) && - (irb->scsw.stctl & SCSW_STCTL_STATUS_PEND)) ) { + if (!cqr || ((irb->scsw.cmd.cc == 1) && + (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) && + (irb->scsw.cmd.stctl & SCSW_STCTL_STATUS_PEND))) { if (cqr && cqr->status == DASD_CQR_IN_IO) cqr->status = DASD_CQR_QUEUED; device = dasd_device_from_cdev_locked(cdev); @@ -1025,7 +1025,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, /* Check for clear pending */ if (cqr->status == DASD_CQR_CLEAR_PENDING && - irb->scsw.fctl & SCSW_FCTL_CLEAR_FUNC) { + irb->scsw.cmd.fctl & SCSW_FCTL_CLEAR_FUNC) { cqr->status = DASD_CQR_CLEARED; dasd_device_clear_timer(device); wake_up(&dasd_flush_wq); @@ -1041,11 +1041,11 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, return; } DBF_DEV_EVENT(DBF_DEBUG, device, "Int: CS/DS 0x%04x for cqr %p", - ((irb->scsw.cstat << 8) | irb->scsw.dstat), cqr); + ((irb->scsw.cmd.cstat << 8) | irb->scsw.cmd.dstat), cqr); next = NULL; expires = 0; - if (irb->scsw.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END) && - irb->scsw.cstat == 0 && !irb->esw.esw0.erw.cons) { + if (irb->scsw.cmd.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END) && + irb->scsw.cmd.cstat == 0 && !irb->esw.esw0.erw.cons) { /* request was completed successfully */ cqr->status = DASD_CQR_SUCCESS; cqr->stopclk = now; diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index e6700df52df..5c6e6f331cb 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -1572,7 +1572,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense) /* determine the address of the CCW to be restarted */ /* Imprecise ending is not set -> addr from IRB-SCSW */ - cpa = default_erp->refers->irb.scsw.cpa; + cpa = default_erp->refers->irb.scsw.cmd.cpa; if (cpa == 0) { @@ -1725,7 +1725,7 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense) /* determine the address of the CCW to be restarted */ /* Imprecise ending is not set -> addr from IRB-SCSW */ - cpa = previous_erp->irb.scsw.cpa; + cpa = previous_erp->irb.scsw.cmd.cpa; if (cpa == 0) { @@ -2171,7 +2171,7 @@ dasd_3990_erp_control_check(struct dasd_ccw_req *erp) { struct dasd_device *device = erp->startdev; - if (erp->refers->irb.scsw.cstat & (SCHN_STAT_INTF_CTRL_CHK + if (erp->refers->irb.scsw.cmd.cstat & (SCHN_STAT_INTF_CTRL_CHK | SCHN_STAT_CHN_CTRL_CHK)) { DEV_MESSAGE(KERN_DEBUG, device, "%s", "channel or interface control check"); @@ -2352,9 +2352,9 @@ dasd_3990_erp_error_match(struct dasd_ccw_req *cqr1, struct dasd_ccw_req *cqr2) if ((cqr1->irb.esw.esw0.erw.cons == 0) && (cqr2->irb.esw.esw0.erw.cons == 0)) { - if ((cqr1->irb.scsw.cstat & (SCHN_STAT_INTF_CTRL_CHK | + if ((cqr1->irb.scsw.cmd.cstat & (SCHN_STAT_INTF_CTRL_CHK | SCHN_STAT_CHN_CTRL_CHK)) == - (cqr2->irb.scsw.cstat & (SCHN_STAT_INTF_CTRL_CHK | + (cqr2->irb.scsw.cmd.cstat & (SCHN_STAT_INTF_CTRL_CHK | SCHN_STAT_CHN_CTRL_CHK))) return 1; /* match with ifcc*/ } @@ -2622,8 +2622,9 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) } /* double-check if current erp/cqr was successfull */ - if ((cqr->irb.scsw.cstat == 0x00) && - (cqr->irb.scsw.dstat == (DEV_STAT_CHN_END|DEV_STAT_DEV_END))) { + if ((cqr->irb.scsw.cmd.cstat == 0x00) && + (cqr->irb.scsw.cmd.dstat == + (DEV_STAT_CHN_END | DEV_STAT_DEV_END))) { DEV_MESSAGE(KERN_DEBUG, device, "ERP called for successful request %p" diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index a0edae091b5..e0b77210d37 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1404,13 +1404,14 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device, /* first of all check for state change pending interrupt */ mask = DEV_STAT_ATTENTION | DEV_STAT_DEV_END | DEV_STAT_UNIT_EXCEP; - if ((irb->scsw.dstat & mask) == mask) { + if ((irb->scsw.cmd.dstat & mask) == mask) { dasd_generic_handle_state_change(device); return; } /* summary unit check */ - if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) && irb->ecw[7] == 0x0D) { + if ((irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) && + (irb->ecw[7] == 0x0D)) { dasd_alias_handle_summary_unit_check(device, irb); return; } @@ -2068,11 +2069,11 @@ static void dasd_eckd_dump_sense(struct dasd_device *device, device->cdev->dev.bus_id); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " in req: %p CS: 0x%02X DS: 0x%02X\n", req, - irb->scsw.cstat, irb->scsw.dstat); + irb->scsw.cmd.cstat, irb->scsw.cmd.dstat); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " device %s: Failing CCW: %p\n", device->cdev->dev.bus_id, - (void *) (addr_t) irb->scsw.cpa); + (void *) (addr_t) irb->scsw.cmd.cpa); if (irb->esw.esw0.erw.cons) { for (sl = 0; sl < 4; sl++) { len += sprintf(page + len, KERN_ERR PRINTK_HEADER @@ -2122,7 +2123,8 @@ static void dasd_eckd_dump_sense(struct dasd_device *device, /* scsw->cda is either valid or zero */ len = 0; from = ++to; - fail = (struct ccw1 *)(addr_t) irb->scsw.cpa; /* failing CCW */ + fail = (struct ccw1 *)(addr_t) + irb->scsw.cmd.cpa; /* failing CCW */ if (from < fail - 2) { from = fail - 2; /* there is a gap - print header */ len += sprintf(page, KERN_ERR PRINTK_HEADER "......\n"); diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 116611583df..aee4656127f 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -222,7 +222,7 @@ static void dasd_fba_handle_unsolicited_interrupt(struct dasd_device *device, /* first of all check for state change pending interrupt */ mask = DEV_STAT_ATTENTION | DEV_STAT_DEV_END | DEV_STAT_UNIT_EXCEP; - if ((irb->scsw.dstat & mask) == mask) { + if ((irb->scsw.cmd.dstat & mask) == mask) { dasd_generic_handle_state_change(device); return; } @@ -449,11 +449,11 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, device->cdev->dev.bus_id); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " in req: %p CS: 0x%02X DS: 0x%02X\n", req, - irb->scsw.cstat, irb->scsw.dstat); + irb->scsw.cmd.cstat, irb->scsw.cmd.dstat); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " device %s: Failing CCW: %p\n", device->cdev->dev.bus_id, - (void *) (addr_t) irb->scsw.cpa); + (void *) (addr_t) irb->scsw.cmd.cpa); if (irb->esw.esw0.erw.cons) { for (sl = 0; sl < 4; sl++) { len += sprintf(page + len, KERN_ERR PRINTK_HEADER @@ -498,11 +498,11 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, /* print failing CCW area */ len = 0; - if (act < ((struct ccw1 *)(addr_t) irb->scsw.cpa) - 2) { - act = ((struct ccw1 *)(addr_t) irb->scsw.cpa) - 2; + if (act < ((struct ccw1 *)(addr_t) irb->scsw.cmd.cpa) - 2) { + act = ((struct ccw1 *)(addr_t) irb->scsw.cmd.cpa) - 2; len += sprintf(page + len, KERN_ERR PRINTK_HEADER "......\n"); } - end = min((struct ccw1 *)(addr_t) irb->scsw.cpa + 2, last); + end = min((struct ccw1 *)(addr_t) irb->scsw.cmd.cpa + 2, last); while (act <= end) { len += sprintf(page + len, KERN_ERR PRINTK_HEADER " CCW %p: %08X %08X DAT:", diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index bb52d2fbac1..01fcdd91b84 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -167,10 +167,8 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch struct dcssblk_dev_info *dev_info; int rc; - if ((count > 1) && (inbuf[1] != '\n') && (inbuf[1] != '\0')) { - PRINT_WARN("Invalid value, must be 0 or 1\n"); + if ((count > 1) && (inbuf[1] != '\n') && (inbuf[1] != '\0')) return -EINVAL; - } down_write(&dcssblk_devices_sem); dev_info = container_of(dev, struct dcssblk_dev_info, dev); if (atomic_read(&dev_info->use_count)) { @@ -215,7 +213,6 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch set_disk_ro(dev_info->gd, 0); } } else { - PRINT_WARN("Invalid value, must be 0 or 1\n"); rc = -EINVAL; goto out; } @@ -258,10 +255,8 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char { struct dcssblk_dev_info *dev_info; - if ((count > 1) && (inbuf[1] != '\n') && (inbuf[1] != '\0')) { - PRINT_WARN("Invalid value, must be 0 or 1\n"); + if ((count > 1) && (inbuf[1] != '\n') && (inbuf[1] != '\0')) return -EINVAL; - } dev_info = container_of(dev, struct dcssblk_dev_info, dev); down_write(&dcssblk_devices_sem); @@ -289,7 +284,6 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char } } else { up_write(&dcssblk_devices_sem); - PRINT_WARN("Invalid value, must be 0 or 1\n"); return -EINVAL; } up_write(&dcssblk_devices_sem); @@ -441,7 +435,6 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char goto out; unregister_dev: - PRINT_ERR("device_create_file() failed!\n"); list_del(&dev_info->lh); blk_cleanup_queue(dev_info->dcssblk_queue); dev_info->gd->queue = NULL; @@ -702,10 +695,8 @@ dcssblk_check_params(void) static void __exit dcssblk_exit(void) { - PRINT_DEBUG("DCSSBLOCK EXIT...\n"); s390_root_dev_unregister(dcssblk_root_dev); unregister_blkdev(dcssblk_major, DCSSBLK_NAME); - PRINT_DEBUG("...finished!\n"); } static int __init @@ -713,27 +704,21 @@ dcssblk_init(void) { int rc; - PRINT_DEBUG("DCSSBLOCK INIT...\n"); dcssblk_root_dev = s390_root_dev_register("dcssblk"); - if (IS_ERR(dcssblk_root_dev)) { - PRINT_ERR("device_register() failed!\n"); + if (IS_ERR(dcssblk_root_dev)) return PTR_ERR(dcssblk_root_dev); - } rc = device_create_file(dcssblk_root_dev, &dev_attr_add); if (rc) { - PRINT_ERR("device_create_file(add) failed!\n"); s390_root_dev_unregister(dcssblk_root_dev); return rc; } rc = device_create_file(dcssblk_root_dev, &dev_attr_remove); if (rc) { - PRINT_ERR("device_create_file(remove) failed!\n"); s390_root_dev_unregister(dcssblk_root_dev); return rc; } rc = register_blkdev(0, DCSSBLK_NAME); if (rc < 0) { - PRINT_ERR("Can't get dynamic major!\n"); s390_root_dev_unregister(dcssblk_root_dev); return rc; } @@ -742,7 +727,6 @@ dcssblk_init(void) dcssblk_check_params(); - PRINT_DEBUG("...finished!\n"); return 0; } diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c index f231bc21b1c..dd9b986389a 100644 --- a/drivers/s390/block/xpram.c +++ b/drivers/s390/block/xpram.c @@ -100,15 +100,10 @@ static int xpram_page_in (unsigned long page_addr, unsigned int xpage_index) : "+d" (cc) : "a" (__pa(page_addr)), "d" (xpage_index) : "cc"); if (cc == 3) return -ENXIO; - if (cc == 2) { - PRINT_ERR("expanded storage lost!\n"); + if (cc == 2) return -ENXIO; - } - if (cc == 1) { - PRINT_ERR("page in failed for page index %u.\n", - xpage_index); + if (cc == 1) return -EIO; - } return 0; } @@ -135,15 +130,10 @@ static long xpram_page_out (unsigned long page_addr, unsigned int xpage_index) : "+d" (cc) : "a" (__pa(page_addr)), "d" (xpage_index) : "cc"); if (cc == 3) return -ENXIO; - if (cc == 2) { - PRINT_ERR("expanded storage lost!\n"); + if (cc == 2) return -ENXIO; - } - if (cc == 1) { - PRINT_ERR("page out failed for page index %u.\n", - xpage_index); + if (cc == 1) return -EIO; - } return 0; } diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 3e5653c92f4..d3ec9b55ab3 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -93,9 +93,6 @@ struct raw3215_info { struct raw3215_req *queued_write;/* pointer to queued write requests */ wait_queue_head_t empty_wait; /* wait queue for flushing */ struct timer_list timer; /* timer for delayed output */ - char *message; /* pending message from raw3215_irq */ - int msg_dstat; /* dstat for pending message */ - int msg_cstat; /* cstat for pending message */ int line_pos; /* position on the line (for tabs) */ char ubuffer[80]; /* copy_from_user buffer */ }; @@ -359,11 +356,6 @@ raw3215_tasklet(void *data) raw3215_mk_write_req(raw); raw3215_try_io(raw); spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); - /* Check for pending message from raw3215_irq */ - if (raw->message != NULL) { - printk(raw->message, raw->msg_dstat, raw->msg_cstat); - raw->message = NULL; - } tty = raw->tty; if (tty != NULL && RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE) { @@ -381,20 +373,14 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) struct raw3215_req *req; struct tty_struct *tty; int cstat, dstat; - int count, slen; + int count; raw = cdev->dev.driver_data; req = (struct raw3215_req *) intparm; - cstat = irb->scsw.cstat; - dstat = irb->scsw.dstat; - if (cstat != 0) { - raw->message = KERN_WARNING - "Got nonzero channel status in raw3215_irq " - "(dev sts 0x%2x, sch sts 0x%2x)"; - raw->msg_dstat = dstat; - raw->msg_cstat = cstat; + cstat = irb->scsw.cmd.cstat; + dstat = irb->scsw.cmd.dstat; + if (cstat != 0) tasklet_schedule(&raw->tasklet); - } if (dstat & 0x01) { /* we got a unit exception */ dstat &= ~0x01; /* we can ignore it */ } @@ -404,8 +390,6 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) break; /* Attention interrupt, someone hit the enter key */ raw3215_mk_read_req(raw); - if (MACHINE_IS_P390) - memset(raw->inbuf, 0, RAW3215_INBUF_SIZE); tasklet_schedule(&raw->tasklet); break; case 0x08: @@ -415,7 +399,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) return; /* That shouldn't happen ... */ if (req->type == RAW3215_READ) { /* store residual count, then wait for device end */ - req->residual = irb->scsw.count; + req->residual = irb->scsw.cmd.count; } if (dstat == 0x08) break; @@ -428,11 +412,6 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) tty = raw->tty; count = 160 - req->residual; - if (MACHINE_IS_P390) { - slen = strnlen(raw->inbuf, RAW3215_INBUF_SIZE); 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