diff options
31 files changed, 1254 insertions, 288 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 1a4025683362..1b6c52ef7339 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 e6700df52df4..5c6e6f331cb0 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 a0edae091b5e..e0b77210d37a 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 116611583df8..aee4656127f7 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/char/con3215.c b/drivers/s390/char/con3215.c index 3e5653c92f4b..310eda82cde2 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -385,8 +385,8 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) raw = cdev->dev.driver_data; req = (struct raw3215_req *) intparm; - cstat = irb->scsw.cstat; - dstat = irb->scsw.dstat; + cstat = irb->scsw.cmd.cstat; + dstat = irb->scsw.cmd.dstat; if (cstat != 0) { raw->message = KERN_WARNING "Got nonzero channel status in raw3215_irq " @@ -415,7 +415,7 @@ 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; diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c index 0b040557db02..3c07974886ed 100644 --- a/drivers/s390/char/con3270.c +++ b/drivers/s390/char/con3270.c @@ -411,15 +411,15 @@ static int con3270_irq(struct con3270 *cp, struct raw3270_request *rq, struct irb *irb) { /* Handle ATTN. Schedule tasklet to read aid. */ - if (irb->scsw.dstat & DEV_STAT_ATTENTION) + if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION) con3270_issue_read(cp); if (rq) { - if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) rq->rc = -EIO; else /* Normal end. Copy residual count. */ - rq->rescnt = irb->scsw.count; + rq->rescnt = irb->scsw.cmd.count; } return RAW3270_IO_DONE; } diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index ef36f2132aa4..f0d67af96402 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -216,17 +216,17 @@ static int fs3270_irq(struct fs3270 *fp, struct raw3270_request *rq, struct irb *irb) { /* Handle ATTN. Set indication and wake waiters for attention. */ - if (irb->scsw.dstat & DEV_STAT_ATTENTION) { + if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION) { fp->attention = 1; wake_up(&fp->wait); } if (rq) { - if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) rq->rc = -EIO; else /* Normal end. Copy residual count. */ - rq->rescnt = irb->scsw.count; + rq->rescnt = irb->scsw.cmd.count; } return RAW3270_IO_DONE; } diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 848ef7e8523f..efce32e97be2 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -372,17 +372,17 @@ raw3270_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) if (IS_ERR(irb)) rc = RAW3270_IO_RETRY; - else if (irb->scsw.fctl & SCSW_FCTL_HALT_FUNC) { + else if (irb->scsw.cmd.fctl & SCSW_FCTL_HALT_FUNC) { rq->rc = -EIO; rc = RAW3270_IO_DONE; - } else if (irb->scsw.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END | - DEV_STAT_UNIT_EXCEP)) { + } else if (irb->scsw.cmd.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END | + DEV_STAT_UNIT_EXCEP)) { /* Handle CE-DE-UE and subsequent UDE */ set_bit(RAW3270_FLAGS_BUSY, &rp->flags); rc = RAW3270_IO_BUSY; } else if (test_bit(RAW3270_FLAGS_BUSY, &rp->flags)) { /* Wait for UDE if busy flag is set. */ - if (irb->scsw.dstat & DEV_STAT_DEV_END) { + if (irb->scsw.cmd.dstat & DEV_STAT_DEV_END) { clear_bit(RAW3270_FLAGS_BUSY, &rp->flags); /* Got it, now retry. */ rc = RAW3270_IO_RETRY; @@ -497,7 +497,7 @@ raw3270_init_irq(struct raw3270_view *view, struct raw3270_request *rq, * Unit-Check Processing: * Expect Command Reject or Intervention Required. */ - if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) { + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) { /* Request finished abnormally. */ if (irb->ecw[0] & SNS0_INTERVENTION_REQ) { set_bit(RAW3270_FLAGS_BUSY, &view->dev->flags); @@ -505,16 +505,16 @@ raw3270_init_irq(struct raw3270_view *view, struct raw3270_request *rq, } } if (rq) { - if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) { + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) { if (irb->ecw[0] & SNS0_CMD_REJECT) rq->rc = -EOPNOTSUPP; else rq->rc = -EIO; } else /* Request finished normally. Copy residual count. */ - rq->rescnt = irb->scsw.count; + rq->rescnt = irb->scsw.cmd.count; } - if (irb->scsw.dstat & DEV_STAT_ATTENTION) { + if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION) { set_bit(RAW3270_FLAGS_ATTN, &view->dev->flags); wake_up(&raw3270_wait_queue); } diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c index 874adf365e46..22ca34361ed7 100644 --- a/drivers/s390/char/tape_34xx.c +++ b/drivers/s390/char/tape_34xx.c @@ -196,7 +196,7 @@ tape_34xx_erp_retry(struct tape_request *request) static int tape_34xx_unsolicited_irq(struct tape_device *device, struct irb *irb) { - if (irb->scsw.dstat == 0x85 /* READY */) { + if (irb->scsw.cmd.dstat == 0x85) { /* READY */ /* A medium was inserted in the drive. */ DBF_EVENT(6, "xuud med\n"); tape_34xx_delete_sbid_from(device, 0); @@ -844,22 +844,22 @@ tape_34xx_irq(struct tape_device *device, struct tape_request *request, if (request == NULL) return tape_34xx_unsolicited_irq(device, irb); - if ((irb->scsw.dstat & DEV_STAT_UNIT_EXCEP) && - (irb->scsw.dstat & DEV_STAT_DEV_END) && + if ((irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) && + (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); } - if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) return tape_34xx_unit_check(device, request, irb); - if (irb->scsw.dstat & DEV_STAT_DEV_END) { + if (irb->scsw.cmd.dstat & DEV_STAT_DEV_END) { /* * A unit exception occurs on skipping over a tapemark block. */ - if (irb->scsw.dstat & DEV_STAT_UNIT_EXCEP) { + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) { if (request->op == TO_BSB || request->op == TO_FSB) request->rescnt++; else diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 42ce7915fc5d..839987618ffd 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -837,13 +837,13 @@ tape_3590_erp_retry(struct tape_device *device, struct tape_request *request, static int tape_3590_unsolicited_irq(struct tape_device *device, struct irb *irb) { - if (irb->scsw.dstat == DEV_STAT_CHN_END) + if (irb->scsw.cmd.dstat == DEV_STAT_CHN_END) /* Probably result of halt ssch */ return TAPE_IO_PENDING; - else if (irb->scsw.dstat == 0x85) + else if (irb->scsw.cmd.dstat == 0x85) /* Device Ready */ DBF_EVENT(3, "unsol.irq! tape ready: %08x\n", device->cdev_id); - else if (irb->scsw.dstat & DEV_STAT_ATTENTION) { + else if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION) { tape_3590_schedule_work(device, TO_READ_ATTMSG); } else { DBF_EVENT(3, "unsol.irq! dev end: %08x\n", device->cdev_id); @@ -1515,18 +1515,19 @@ tape_3590_irq(struct tape_device *device, struct tape_request *request, if (request == NULL) return tape_3590_unsolicited_irq(device, irb); - if ((irb->scsw.dstat & DEV_STAT_UNIT_EXCEP) && - (irb->scsw.dstat & DEV_STAT_DEV_END) && (request->op == TO_WRI)) { + if ((irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) && + (irb->scsw.cmd.dstat & DEV_STAT_DEV_END) && + (request->op == TO_WRI)) { /* Write at end of volume */ DBF_EVENT(2, "End of volume\n"); return tape_3590_erp_failed(device, request, irb, -ENOSPC); } - if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) return tape_3590_unit_check(device, request, irb); - if (irb->scsw.dstat & DEV_STAT_DEV_END) { - if (irb->scsw.dstat == DEV_STAT_UNIT_EXCEP) { + if (irb->scsw.cmd.dstat & DEV_STAT_DEV_END) { + if (irb->scsw.cmd.dstat == DEV_STAT_UNIT_EXCEP) { if (request->op == TO_FSB || request->op == TO_BSB) request->rescnt++; else @@ -1536,12 +1537,12 @@ tape_3590_irq(struct tape_device *device, struct tape_request *request, return tape_3590_done(device, request); } - if (irb->scsw.dstat & DEV_STAT_CHN_END) { + if (irb->scsw.cmd.dstat & DEV_STAT_CHN_END) { DBF_EVENT(2, "cannel end\n"); return TAPE_IO_PENDING; } - if (irb->scsw.dstat & DEV_STAT_ATTENTION) { + if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION) { DBF_EVENT(2, "Unit Attention when busy..\n"); return TAPE_IO_PENDING; } diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index c20e3c548343..181a5441af16 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -839,7 +839,7 @@ tape_dump_sense(struct tape_device* device, struct tape_request *request, PRINT_INFO("-------------------------------------------------\n"); PRINT_INFO("DSTAT : %02x CSTAT: %02x CPA: %04x\n", - irb->scsw.dstat, irb->scsw.cstat, irb->scsw.cpa); + irb->scsw.cmd.dstat, irb->scsw.cmd.cstat, irb->scsw.cmd.cpa); PRINT_INFO("DEVICE: %s\n", device->cdev->dev.bus_id); if (request != NULL) PRINT_INFO("OP : %s\n", tape_op_verbose[request->op]); @@ -867,7 +867,7 @@ tape_dump_sense_dbf(struct tape_device *device, struct tape_request *request, else op = "---"; DBF_EVENT(3, "DSTAT : %02x CSTAT: %02x\n", - irb->scsw.dstat,irb->scsw.cstat); + irb->scsw.cmd.dstat, irb->scsw.cmd.cstat); DBF_EVENT(3, "DEVICE: %08x OP\t: %s\n", device->cdev_id, op); sptr = (unsigned int *) irb->ecw; DBF_EVENT(3, "%08x %08x\n", sptr[0], sptr[1]); @@ -1083,10 +1083,11 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) * error might still apply. So we just schedule the request to be * started later. */ - if (irb->scsw.cc != 0 && (irb->scsw.fctl & SCSW_FCTL_START_FUNC) && + if (irb->scsw.cmd.cc != 0 && + (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) && (request->status == TAPE_REQUEST_IN_IO)) { DBF_EVENT(3,"(%08x): deferred cc=%i, fctl=%i. restarting\n", - device->cdev_id, irb->scsw.cc, irb->scsw.fctl); + device->cdev_id, irb->scsw.cmd.cc, irb->scsw.cmd.fctl); request->status = TAPE_REQUEST_QUEUED; schedule_delayed_work(&device->tape_dnr, HZ); return; @@ -1094,8 +1095,8 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) /* May be an unsolicited irq */ if(request != NULL) - request->rescnt = irb->scsw.count; - else if ((irb->scsw.dstat == 0x85 || irb->scsw.dstat == 0x80) && + request->rescnt = irb->scsw.cmd.count; + else if ((irb->scsw.cmd.dstat == 0x85 || irb->scsw.cmd.dstat == 0x80) && !list_empty(&device->req_queue)) { /* Not Ready to Ready after long busy ? */ struct tape_request *req; @@ -1111,7 +1112,7 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) return; } } - if (irb->scsw.dstat != 0x0c) { + if (irb->scsw.cmd.dstat != 0x0c) { /* Set the 'ONLINE' flag depending on sense byte 1 */ if(*(((__u8 *) irb->ecw) + 1) & SENSE_DRIVE_ONLINE) device->tape_generic_status |= GMT_ONLINE(~0); diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index 5043150019ac..e4ba8bdce32e 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -663,7 +663,7 @@ static int tty3270_irq(struct tty3270 *tp, struct raw3270_request *rq, struct irb *irb) { /* Handle ATTN. Schedule tasklet to read aid. */ - if (irb->scsw.dstat & DEV_STAT_ATTENTION) { + if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION) { if (!tp->throttle) tty3270_issue_read(tp, 0); else @@ -671,11 +671,11 @@ tty3270_irq(struct tty3270 *tp, struct raw3270_request *rq, struct irb *irb) } if (rq) { - if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) rq->rc = -EIO; else /* Normal end. Copy residual count. */ - rq->rescnt = irb->scsw.count; + rq->rescnt = irb->scsw.cmd.count; } return RAW3270_IO_DONE; } diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index 83ae9a852f00..49cba9effe89 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -277,7 +277,8 @@ static void ur_int_handler(struct ccw_device *cdev, unsigned long intparm, struct urdev *urd; TRACE("ur_int_handler: intparm=0x%lx cstat=%02x dstat=%02x res=%u\n", - intparm, irb->scsw.cstat, irb->scsw.dstat, irb->scsw.count); + intparm, irb->scsw.cmd.cstat, irb->scsw.cmd.dstat, + irb->scsw.cmd.count); if (!intparm) { TRACE("ur_int_handler: unsolicited interrupt\n"); @@ -288,7 +289,7 @@ static void ur_int_handler(struct ccw_device *cdev, unsigned long intparm, /* On special conditions irb is an error pointer */ if (IS_ERR(irb)) urd->io_request_rc = PTR_ERR(irb); - else if (irb->scsw.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END)) + else if (irb->scsw.cmd.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END)) urd->io_request_rc = 0; else urd->io_request_rc = -EIO; diff --git a/drivers/s390/cio/Makefile b/drivers/s390/cio/Makefile index cfaf77b320f5..9c22e27391dc 100644 --- a/drivers/s390/cio/Makefile +++ b/drivers/s390/cio/Makefile @@ -2,7 +2,7 @@ # Makefile for the S/390 common i/o drivers # -obj-y += airq.o blacklist.o chsc.o cio.o css.o chp.o idset.o +obj-y += airq.o blacklist.o chsc.o cio.o css.o chp.o idset.o scsw.o ccw_device-objs += device.o device_fsm.o device_ops.o ccw_device-objs += device_id.o device_pgid.o device_status.o obj-y += ccw_device.o cmf.o diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 0511fe31d049..40b2884126da 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -128,7 +128,7 @@ cio_tpi(void) local_bh_disable(); irq_enter (); spin_lock(sch->lock); - memcpy (&sch->schib.scsw, &irb->scsw, sizeof (struct scsw)); + memcpy(&sch->schib.scsw, &irb->scsw, sizeof(union scsw)); if (sch->driver && sch->driver->irq) sch->driver->irq(sch); spin_unlock(sch->lock); @@ -202,7 +202,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */ /* * initialize device status information */ - sch->schib.scsw.actl |= SCSW_ACTL_START_PEND; + sch->schib.scsw.cmd.actl |= SCSW_ACTL_START_PEND; return 0; case 1: /* status pending */ case 2: /* busy */ @@ -237,7 +237,7 @@ cio_resume (struct subchannel *sch) switch (ccode) { case 0: - sch->schib.scsw.actl |= SCSW_ACTL_RESUME_PEND; + sch->schib.scsw.cmd.actl |= SCSW_ACTL_RESUME_PEND; return 0; case 1: return -EBUSY; @@ -277,7 +277,7 @@ cio_halt(struct subchannel *sch) switch (ccode) { case 0: - sch->schib.scsw.actl |= SCSW_ACTL_HALT_PEND; + sch->schib.scsw.cmd.actl |= SCSW_ACTL_HALT_PEND; return 0; case 1: /* status pending */ case 2: /* busy */ @@ -312,7 +312,7 @@ cio_clear(struct subchannel *sch) switch (ccode) { case 0: - sch->schib.scsw.actl |= SCSW_ACTL_CLEAR_PEND; + sch->schib.scsw.cmd.actl |= SCSW_ACTL_CLEAR_PEND; return 0; default: /* device not operational */ return -ENODEV; @@ -458,7 +458,7 @@ int cio_disable_subchannel(struct subchannel *sch) if (ccode == 3) /* Not operational. */ return -ENODEV; - if (sch->schib.scsw.actl != 0) + if (scsw_actl(&sch->schib.scsw) != 0) /* * the disable function must not be called while there are * requests pending for completion ! @@ -708,7 +708,7 @@ void wait_cons_dev(void) if (!cio_tpi()) cpu_relax(); spin_lock(console_subchannel.lock); - } while (console_subchannel.schib.scsw.actl != 0); + } while (console_subchannel.schib.scsw.cmd.actl != 0); /* * restore previous isc value */ diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index efdb9fd4a84a..f7a0cb9fac9b 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -48,7 +48,7 @@ struct pmcw { */ struct schib { struct pmcw pmcw; /* path management control word */ - struct scsw scsw; /* subchannel status word */ + union scsw scsw; /* subchannel status word */ __u64 mba; /* measurement block address */ __u8 mda[4]; /* model dependent area */ } __attribute__ ((packed,aligned(4))); diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c index 2808b6833b9e..6c77c2326bd4 100644 --- a/drivers/s390/cio/cmf.c +++ b/drivers/s390/cio/cmf.c @@ -341,12 +341,12 @@ static int cmf_copy_block(struct ccw_device *cdev) if (stsch(sch->schid, &sch->schib)) return -ENODEV; - if (sch->schib.scsw.fctl & SCSW_FCTL_START_FUNC) { + if (scsw_fctl(&sch->schib.scsw) & SCSW_FCTL_START_FUNC) { /* Don't copy if a start function is in progress. */ - if ((!(sch->schib.scsw.actl & SCSW_ACTL_SUSPENDED)) && - (sch->schib.scsw.actl & + if ((!(scsw_actl(&sch->schib.scsw) & SCSW_ACTL_SUSPENDED)) && + (scsw_actl(&sch->schib.scsw) & (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT)) && - (!(sch->schib.scsw.stctl & SCSW_STCTL_SEC_STATUS))) + (!(scsw_stctl(&sch->schib.scsw) & SCSW_STCTL_SEC_STATUS))) return -EBUSY; } cmb_data = cdev->private->cmb; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 9281b25087a6..215d27dba9e2 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1281,7 +1281,7 @@ static int check_for_io_on_path(struct subchannel *sch, int mask) cc = stsch(sch->schid, &sch->schib); if (cc) return 0; - if (sch->schib.scsw.actl && sch->schib.pmcw.lpum == mask) + if (scsw_actl(&sch->schib.scsw) && sch->schib.pmcw.lpum == mask) return 1; return 0; } diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index c9b97cbc2203..dc9373031af0 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -133,15 +133,15 @@ ccw_device_cancel_halt_clear(struct ccw_device *cdev) /* Not operational -> done. */ return 0; /* Stage 1: cancel io. */ - if (!(sch->schib.scsw.actl & SCSW_ACTL_HALT_PEND) && - !(sch->schib.scsw.actl & SCSW_ACTL_CLEAR_PEND)) { + if (!(scsw_actl(&sch->schib.scsw) & SCSW_ACTL_HALT_PEND) && + !(scsw_actl(&sch->schib.scsw) & SCSW_ACTL_CLEAR_PEND)) { ret = cio_cancel(sch); if (ret != -EINVAL) return ret; /* cancel io unsuccessful. From now on it is asynchronous. */ cdev->private->iretry = 3; /* 3 halt retries. */ } - if (!(sch->schib.scsw.actl & SCSW_ACTL_CLEAR_PEND)) { + if (!(scsw_actl(&sch->schib.scsw) & SCSW_ACTL_CLEAR_PEND)) { /* Stage 2: halt io. */ if (cdev->private->iretry) { cdev->private->iretry--; @@ -551,10 +551,11 @@ ccw_device_verify_done(struct ccw_device *cdev, int err) /* Deliver fake irb to device driver, if needed. */ if (cdev->private->flags.fake_irb) { memset(&cdev->private->irb, 0, sizeof(struct irb)); - cdev->private->irb.scsw.cc = 1; - cdev->private->irb.scsw.fctl = SCSW_FCTL_START_FUNC; - cdev->private->irb.scsw.actl = SCSW_ACTL_START_PEND; - cdev->private->irb.scsw.stctl = SCSW_STCTL_STATUS_PEND; + cdev->private->irb.scsw.cmd.cc = 1; + cdev->private->irb.scsw.cmd.fctl = SCSW_FCTL_START_FUNC; + cdev->private->irb.scsw.cmd.actl = SCSW_ACTL_START_PEND; + cdev->private->irb.scsw.cmd.stctl = + SCSW_STCTL_STATUS_PEND; cdev->private->flags.fake_irb = 0; if (cdev->handler) cdev->handler(cdev, cdev->private->intparm, @@ -648,13 +649,10 @@ ccw_device_offline(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); if (stsch(sch->schid, &sch->schib) || !sch->schib.pmcw.dnv) return -ENODEV; - if (cdev->private->state != DEV_STATE_ONLINE) { - if (sch->schib.scsw.actl != 0) - return -EBUSY; - return -EINVAL; - } - if (sch->schib.scsw.actl != 0) + if (scsw_actl(&sch->schib.scsw) != 0) return -EBUSY; + if (cdev->private->state != DEV_STATE_ONLINE) + return -EINVAL; /* Are we doing path grouping? */ if (!cdev->private->options.pgroup) { /* No, set state offline immediately. */ @@ -729,9 +727,9 @@ ccw_device_online_verify(struct ccw_device *cdev, enum dev_event dev_event) */ stsch(sch->schid, &sch->schib); - if (sch->schib.scsw.actl != 0 || - (sch->schib.scsw.stctl & SCSW_STCTL_STATUS_PEND) || - (cdev->private->irb.scsw.stctl & SCSW_STCTL_STATUS_PEND)) { + if (scsw_actl(&sch->schib.scsw) != 0 || + (scsw_stctl(&sch->schib.scsw) & SCSW_STCTL_STATUS_PEND) || + (scsw_stctl(&cdev->private->irb.scsw) & SCSW_STCTL_STATUS_PEND)) { /* * No final status yet or final status not yet delivered * to the device driver. Can't do path verfication now, @@ -756,10 +754,8 @@ ccw_device_irq(struct ccw_device *cdev, enum dev_event dev_event) irb = (struct irb *) __LC_IRB; /* Check for unsolicited interrupt. */ - if ((irb->scsw.stctl == - (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) - && (!irb->scsw.cc)) { - if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) && + if (!scsw_is_solicited(&irb->scsw)) { + if ((irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) && !irb->esw.esw0.erw.cons) { /* Unit check but no sense data. Need basic sense. */ if (ccw_device_do_sense(cdev, irb) != 0) @@ -822,9 +818,9 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event) irb = (struct irb *) __LC_IRB; /* Check for unsolicited interrupt. */ - if (irb->scsw.stctl == - (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { - if (irb->scsw.cc == 1) + if (scsw_stctl(&irb->scsw) == + (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { + if (scsw_cc(&irb->scsw) == 1) /* Basic sense hasn't started. Try again. */ ccw_device_do_sense(cdev, irb); else { @@ -842,7 +838,8 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event) * only deliver the halt/clear interrupt to the device driver as if it * had killed the original request. */ - if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC | SCSW_FCTL_HALT_FUNC)) { + if (scsw_fctl(&irb->scsw) & + (SCSW_FCTL_CLEAR_FUNC | SCSW_FCTL_HALT_FUNC)) { /* Retry Basic Sense if requested. */ if (cdev->private->flags.intretry) { cdev->private->flags.intretry = 0; @@ -949,9 +946,9 @@ ccw_device_stlck_done(struct ccw_device *cdev, enum dev_event dev_event) case DEV_EVENT_INTERRUPT: irb = (struct irb *) __LC_IRB; /* Check for unsolicited interrupt. */ - if ((irb->scsw.stctl == + if ((scsw_stctl(&irb->scsw) == (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) && - (!irb->scsw.cc)) + (!scsw_cc(&irb->scsw))) /* FIXME: we should restart stlck here, but this * is extremely unlikely ... */ goto out_wakeup; diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c index cba7020517ed..5214b2b5425c 100644 --- a/drivers/s390/cio/device_id.c +++ b/drivers/s390/cio/device_id.c @@ -196,7 +196,7 @@ ccw_device_check_sense_id(struct ccw_device *cdev) irb = &cdev->private->irb; /* Check the error cases. */ - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { + if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { /* Retry Sense ID if requested. */ if (cdev->private->flags.intretry) { cdev->private->flags.intretry = 0; @@ -234,7 +234,7 @@ ccw_device_check_sense_id(struct ccw_device *cdev) irb->ecw[6], irb->ecw[7]); return -EAGAIN; } - if (irb->scsw.cc == 3) { + if (irb->scsw.cmd.cc == 3) { u8 lpm; lpm = to_io_private(sch)->orb.lpm; @@ -248,9 +248,9 @@ ccw_device_check_sense_id(struct ccw_device *cdev) } /* Did we get a proper answer ? */ - if (irb->scsw.cc == 0 && cdev->private->senseid.cu_type != 0xFFFF && + if (irb->scsw.cmd.cc == 0 && cdev->private->senseid.cu_type != 0xFFFF && cdev->private->senseid.reserved == 0xFF) { - if (irb->scsw.count < sizeof(struct senseid) - 8) + if (irb->scsw.cmd.count < sizeof(struct senseid) - 8) cdev->private->flags.esid = 1; return 0; /* Success */ } @@ -260,7 +260,7 @@ ccw_device_check_sense_id(struct ccw_device *cdev) "subchannel 0.%x.%04x returns status %02X%02X\n", cdev->private->dev_id.devno, sch->schid.ssid, sch->schid.sch_no, - irb->scsw.dstat, irb->scsw.cstat); + irb->scsw.cmd.dstat, irb->scsw.cmd.cstat); return -EAGAIN; } @@ -277,9 +277,9 @@ ccw_device_sense_id_irq(struct ccw_device *cdev, enum dev_event dev_event) sch = to_subchannel(cdev->dev.parent); irb = (struct irb *) __LC_IRB; /* Retry sense id, if needed. */ - if (irb->scsw.stctl == + if (irb->scsw.cmd.stctl == (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { - if ((irb->scsw.cc == 1) || !irb->scsw.actl) { + if ((irb->scsw.cmd.cc == 1) || !irb->scsw.cmd.actl) { ret = __ccw_device_sense_id_start(cdev); if (ret && ret != -EBUSY) ccw_device_sense_id_done(cdev, ret); diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index f308ad55a6d5..10f72c5c005a 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -179,8 +179,8 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa, return -EBUSY; } if (cdev->private->state != DEV_STATE_ONLINE || - ((sch->schib.scsw.stctl & SCSW_STCTL_PRIM_STATUS) && - !(sch->schib.scsw.stctl & SCSW_STCTL_SEC_STATUS)) || + ((sch->schib.scsw.cmd.stctl & SCSW_STCTL_PRIM_STATUS) && + !(sch->schib.scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS)) || cdev->private->flags.doverify) return -EBUSY; ret = cio_set_options (sch, flags); @@ -379,7 +379,7 @@ int ccw_device_resume(struct ccw_device *cdev) if (cdev->private->state == DEV_STATE_NOT_OPER) return -ENODEV; if (cdev->private->state != DEV_STATE_ONLINE || - !(sch->schib.scsw.actl & SCSW_ACTL_SUSPENDED)) + !(sch->schib.scsw.cmd.actl & SCSW_ACTL_SUSPENDED)) return -EINVAL; return cio_resume(sch); } @@ -404,7 +404,7 @@ ccw_device_call_handler(struct ccw_device *cdev) * - fast notification was requested (primary status) * - unsolicited interrupts */ - stctl = cdev->private->irb.scsw.stctl; + stctl = scsw_stctl(&cdev->private->irb.scsw); ending_status = (stctl & SCSW_STCTL_SEC_STATUS) || (stctl == (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)) || (stctl == SCSW_STCTL_STATUS_PEND); @@ -528,14 +528,15 @@ ccw_device_stlck(struct ccw_device *cdev) cio_disable_subchannel(sch); //FIXME: return code? goto out_unlock; } - cdev->private->irb.scsw.actl |= SCSW_ACTL_START_PEND; + cdev->private->irb.scsw.cmd.actl |= SCSW_ACTL_START_PEND; spin_unlock_irqrestore(sch->lock, flags); - wait_event(cdev->private->wait_q, cdev->private->irb.scsw.actl == 0); + wait_event(cdev->private->wait_q, + cdev->private->irb.scsw.cmd.actl == 0); spin_lock_irqsave(sch->lock, flags); cio_disable_subchannel(sch); //FIXME: return code? - if ((cdev->private->irb.scsw.dstat != + if ((cdev->private->irb.scsw.cmd.dstat != (DEV_STAT_CHN_END|DEV_STAT_DEV_END)) || - (cdev->private->irb.scsw.cstat != 0)) + (cdev->private->irb.scsw.cmd.cstat != 0)) ret = -EIO; /* Clear irb. */ memset(&cdev->private->irb, 0, sizeof(struct irb)); diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index 5cf7be008e98..22a711bb5444 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -28,13 +28,13 @@ * Helper function called from interrupt context to decide whether an * operation should be tried again. */ -static int __ccw_device_should_retry(struct scsw *scsw) +static int __ccw_device_should_retry(union scsw *scsw) { /* CC is only valid if start function bit is set. */ - if ((scsw->fctl & SCSW_FCTL_START_FUNC) && scsw->cc == 1) + if ((scsw->cmd.fctl & SCSW_FCTL_START_FUNC) && scsw->cmd.cc == 1) return 1; /* No more activity. For sense and set PGID we stubbornly try again. */ - if (!scsw->actl) + if (!scsw->cmd.actl) return 1; return 0; } @@ -125,7 +125,7 @@ __ccw_device_check_sense_pgid(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); irb = &cdev->private->irb; - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { + if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { /* Retry Sense PGID if requested. */ if (cdev->private->flags.intretry) { cdev->private->flags.intretry = 0; @@ -155,7 +155,7 @@ __ccw_device_check_sense_pgid(struct ccw_device *cdev) irb->ecw[6], irb->ecw[7]); return -EAGAIN; } - if (irb->scsw.cc == 3) { + if (irb->scsw.cmd.cc == 3) { u8 lpm; lpm = to_io_private(sch)->orb.lpm; @@ -188,7 +188,7 @@ ccw_device_sense_pgid_irq(struct ccw_device *cdev, enum dev_event dev_event) irb = (struct irb *) __LC_IRB; - if (irb->scsw.stctl == + if (irb->scsw.cmd.stctl == (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { if (__ccw_device_should_retry(&irb->scsw)) { ret = __ccw_device_sense_pgid_start(cdev); @@ -331,7 +331,7 @@ __ccw_device_check_pgid(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); irb = &cdev->private->irb; - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { + if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { /* Retry Set PGID if requested. */ if (cdev->private->flags.intretry) { cdev->private->flags.intretry = 0; @@ -355,7 +355,7 @@ __ccw_device_check_pgid(struct ccw_device *cdev) irb->ecw[6], irb->ecw[7]); return -EAGAIN; } - if (irb->scsw.cc == 3) { + if (irb->scsw.cmd.cc == 3) { CIO_MSG_EVENT(3, "SPID - Device %04x on Subchannel 0.%x.%04x," " lpm %02X, became 'not operational'\n", cdev->private->dev_id.devno, sch->schid.ssid, @@ -376,7 +376,7 @@ static int __ccw_device_check_nop(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); irb = &cdev->private->irb; - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { + if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { /* Retry NOP if requested. */ if (cdev->private->flags.intretry) { cdev->private->flags.intretry = 0; @@ -384,7 +384,7 @@ static int __ccw_device_check_nop(struct ccw_device *cdev) } return -ETIME; } - if (irb->scsw.cc == 3) { + if (irb->scsw.cmd.cc == 3) { CIO_MSG_EVENT(3, "NOP - Device %04x on Subchannel 0.%x.%04x," " lpm %02X, became 'not operational'\n", cdev->private->dev_id.devno, sch->schid.ssid, @@ -438,7 +438,7 @@ ccw_device_verify_irq(struct ccw_device *cdev, enum dev_event dev_event) irb = (struct irb *) __LC_IRB; - if (irb->scsw.stctl == + if (irb->scsw.cmd.stctl == (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { if (__ccw_device_should_retry(&irb->scsw)) __ccw_device_verify_start(cdev); @@ -544,7 +544,7 @@ ccw_device_disband_irq(struct ccw_device *cdev, enum dev_event dev_event) irb = (struct irb *) __LC_IRB; - if (irb->scsw.stctl == + if (irb->scsw.cmd.stctl == (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { if (__ccw_device_should_retry(&irb->scsw)) __ccw_device_disband_start(cdev); diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c index 4a38993000f2..1b03c5423be2 100644 --- a/drivers/s390/cio/device_status.c +++ b/drivers/s390/cio/device_status.c @@ -29,9 +29,11 @@ static void ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb) { - if (!(irb->scsw.cstat & (SCHN_STAT_CHN_DATA_CHK | - SCHN_STAT_CHN_CTRL_CHK | - SCHN_STAT_INTF_CTRL_CHK))) + char dbf_text[15]; + + if (!scsw_is_valid_cstat(&irb->scsw) || + !(scsw_cstat(&irb->scsw) & (SCHN_STAT_CHN_DATA_CHK | + SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK))) return; CIO_MSG_EVENT(0, "Channel-Check or Interface-Control-Check " "received" @@ -39,15 +41,10 @@ ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb) ": %02X sch_stat : %02X\n", cdev->private->dev_id.devno, cdev->private->schid.ssid, cdev->private->schid.sch_no, - irb->scsw.dstat, irb->scsw.cstat); - - if (irb->scsw.cc != 3) { - char dbf_text[15]; - - sprintf(dbf_text, "chk%x", cdev->private->schid.sch_no); - CIO_TRACE_EVENT(0, dbf_text); - CIO_HEX_EVENT(0, irb, sizeof (struct irb)); - } + scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw)); + sprintf(dbf_text, "chk%x", cdev->private->schid.sch_no); + CIO_TRACE_EVENT(0, dbf_text); + CIO_HEX_EVENT(0, irb, sizeof(struct irb)); } /* @@ -81,12 +78,12 @@ ccw_device_accumulate_ecw(struct ccw_device *cdev, struct irb *irb) * are condition that have to be met for the extended control * bit to have meaning. Sick. */ - cdev->private->irb.scsw.ectl = 0; - if ((irb->scsw.stctl & SCSW_STCTL_ALERT_STATUS) && - !(irb->scsw.stctl & SCSW_STCTL_INTER_STATUS)) - cdev->private->irb.scsw.ectl = irb->scsw.ectl; + cdev->private->irb.scsw.cmd.ectl = 0; + if ((irb->scsw.cmd.stctl & SCSW_STCTL_ALERT_STATUS) && + !(irb->scsw.cmd.stctl & SCSW_STCTL_INTER_STATUS)) + cdev->private->irb.scsw.cmd.ectl = irb->scsw.cmd.ectl; /* Check if extended control word is valid. */ - if (!cdev->private->irb.scsw.ectl) + if (!cdev->private->irb.scsw.cmd.ectl) return; /* Copy concurrent sense / model dependent information. */ memcpy (&cdev->private->irb.ecw, irb->ecw, sizeof (irb->ecw)); @@ -98,11 +95,12 @@ ccw_device_accumulate_ecw(struct ccw_device *cdev, struct irb *irb) static int ccw_device_accumulate_esw_valid(struct irb *irb) { - if (!irb->scsw.eswf && irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) + if (!irb->scsw.cmd.eswf && + (irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND)) return 0; - if (irb->scsw.stctl == - (SCSW_STCTL_INTER_STATUS|SCSW_STCTL_STATUS_PEND) && - !(irb->scsw.actl & SCSW_ACTL_SUSPENDED)) + if (irb->scsw.cmd.stctl == + (SCSW_STCTL_INTER_STATUS|SCSW_STCTL_STATUS_PEND) && + !(irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED)) return 0; return 1; } @@ -125,7 +123,7 @@ ccw_device_accumulate_esw(struct ccw_device *cdev, struct irb *irb) cdev_irb->esw.esw1.lpum = irb->esw.esw1.lpum; /* Copy subchannel logout information if esw is of format 0. */ - if (irb->scsw.eswf) { + if (irb->scsw.cmd.eswf) { cdev_sublog = &cdev_irb->esw.esw0.sublog; sublog = &irb->esw.esw0.sublog; /* Copy extended status flags. */ @@ -134,7 +132,7 @@ ccw_device_accumulate_esw(struct ccw_device *cdev, struct irb *irb) * Copy fields that have a meaning for channel data check * channel control check and interface control check. */ - if (irb->scsw.cstat & (SCHN_STAT_CHN_DATA_CHK | + if (irb->scsw.cmd.cstat & (SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK)) { /* Copy ancillary report bit. */ @@ -155,7 +153,7 @@ ccw_device_accumulate_esw(struct ccw_device *cdev, struct irb *irb) /* Copy i/o-error alert. */ cdev_sublog->ioerr = sublog->ioerr; /* Copy channel path timeout bit. */ - if (irb->scsw.cstat & SCHN_STAT_INTF_CTRL_CHK) + if (irb->scsw.cmd.cstat & SCHN_STAT_INTF_CTRL_CHK) cdev_irb->esw.esw0.erw.cpt = irb->esw.esw0.erw.cpt; /* Copy failing storage address validity flag. */ cdev_irb->esw.esw0.erw.fsavf = irb->esw.esw0.erw.fsavf; @@ -200,24 +198,24 @@ ccw_device_accumulate_irb(struct ccw_device *cdev, struct irb *irb) * If not, the remaining bit have no meaning and we must ignore them. * The esw is not meaningful as well... */ - if (!(irb->scsw.stctl & SCSW_STCTL_STATUS_PEND)) + if (!(scsw_stctl(&irb->scsw) & SCSW_STCTL_STATUS_PEND)) return; /* Check for channel checks and interface control checks. */ ccw_device_msg_control_check(cdev, irb); /* Check for path not operational. */ - if (irb->scsw.pno && irb->scsw.fctl != 0 && - (!(irb->scsw.stctl & SCSW_STCTL_INTER_STATUS) || - (irb->scsw.actl & SCSW_ACTL_SUSPENDED))) + if (scsw_is_valid_pno(&irb->scsw) && scsw_pno(&irb->scsw)) ccw_device_path_notoper(cdev); - + /* No irb accumulation for transport mode irbs. */ + if (scsw_is_tm(&irb->scsw)) { + memcpy(&cdev->private->irb, irb, sizeof(struct irb)); + return; + } /* * Don't accumulate unsolicited interrupts. */ - if ((irb->scsw.stctl == - (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) && - (!irb->scsw.cc)) + if (!scsw_is_solicited(&irb->scsw)) return; cdev_irb = &cdev->private->irb; @@ -227,62 +225,63 @@ ccw_device_accumulate_irb(struct ccw_device *cdev, struct irb *irb) * status at the subchannel has been cleared and we must not pass * intermediate accumulated status to the device driver. */ - if (irb->scsw.fctl & SCSW_FCTL_CLEAR_FUNC) + if (irb->scsw.cmd.fctl & SCSW_FCTL_CLEAR_FUNC) memset(&cdev->private->irb, 0, sizeof(struct irb)); /* Copy bits which are valid only for the start function. */ - if (irb->scsw.fctl & SCSW_FCTL_START_FUNC) { + if (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) { /* Copy key. */ - cdev_irb->scsw.key = irb->scsw.key; + cdev_irb->scsw.cmd.key = irb->scsw.cmd.key; /* Copy suspend control bit. */ - cdev_irb->scsw.sctl = irb->scsw.sctl; + cdev_irb->scsw.cmd.sctl = irb->scsw.cmd.sctl; /* Accumulate deferred condition code. */ - cdev_irb->scsw.cc |= irb->scsw.cc; + cdev_irb->scsw.cmd.cc |= irb->scsw.cmd.cc; /* Copy ccw format bit. */ - cdev_irb->scsw.fmt = irb->scsw.fmt; + cdev_irb->scsw.cmd.fmt = irb->scsw.cmd.fmt; /* Copy prefetch bit. */ - cdev_irb->scsw.pfch = irb->scsw.pfch; + cdev_irb->scsw.cmd.pfch = irb->scsw.cmd.pfch; /* Copy initial-status-interruption-control. */ - cdev_irb->scsw.isic = irb->scsw.isic; + cdev_irb->scsw.cmd.isic = irb->scsw.cmd.isic; /* Copy address limit checking control. */ - cdev_irb->scsw.alcc = irb->scsw.alcc; + cdev_irb->scsw.cmd.alcc = irb->scsw.cmd.alcc; /* Copy suppress suspend bit. */ - cdev_irb->scsw.ssi = irb->scsw.ssi; + cdev_irb->scsw.cmd.ssi = irb->scsw.cmd.ssi; } /* Take care of the extended control bit and extended control word. */ ccw_device_accumulate_ecw(cdev, irb); /* Accumulate function control. */ - cdev_irb->scsw.fctl |= irb->scsw.fctl; + cdev_irb->scsw.cmd.fctl |= irb->scsw.cmd.fctl; /* Copy activity control. */ - cdev_irb->scsw.actl= irb->scsw.actl; + cdev_irb->scsw.cmd.actl = irb->scsw.cmd.actl; /* Accumulate status control. */ - cdev_irb->scsw.stctl |= irb->scsw.stctl; + cdev_irb->scsw.cmd.stctl |= irb->scsw.cmd.stctl; /* * Copy ccw address if it is valid. This is a bit simplified * but should be close enough for all practical purposes. */ - if ((irb->scsw.stctl & SCSW_STCTL_PRIM_STATUS) || - ((irb->scsw.stctl == + if ((irb->scsw.cmd.stctl & SCSW_STCTL_PRIM_STATUS) || + ((irb->scsw.cmd.stctl == (SCSW_STCTL_INTER_STATUS|SCSW_STCTL_STATUS_PEND)) && - (irb->scsw.actl & SCSW_ACTL_DEVACT) && - (irb->scsw.actl & SCSW_ACTL_SCHACT)) || - (irb->scsw.actl & SCSW_ACTL_SUSPENDED)) - cdev_irb->scsw.cpa = irb->scsw.cpa; + (irb->scsw.cmd.actl & SCSW_ACTL_DEVACT) && + (irb->scsw.cmd.actl & SCSW_ACTL_SCHACT)) || + (irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED)) + cdev_irb->scsw.cmd.cpa = irb->scsw.cmd.cpa; /* Accumulate device status, but not the device busy flag. */ - cdev_irb->scsw.dstat &= ~DEV_STAT_BUSY; + cdev_irb->scsw.cmd.dstat &= ~DEV_STAT_BUSY; /* dstat is not always valid. */ - if (irb->scsw.stctl & + if (irb->scsw.cmd.stctl & (SCSW_STCTL_PRIM_STATUS | SCSW_STCTL_SEC_STATUS | SCSW_STCTL_INTER_STATUS | SCSW_STCTL_ALERT_STATUS)) - cdev_irb->scsw.dstat |= irb->scsw.dstat; + cdev_irb->scsw.cmd.dstat |= irb->scsw.cmd.dstat; /* Accumulate subchannel status. */ - cdev_irb->scsw.cstat |= irb->scsw.cstat; + cdev_irb->scsw.cmd.cstat |= irb->scsw.cmd.cstat; /* Copy residual count if it is valid. */ - if ((irb->scsw.stctl & SCSW_STCTL_PRIM_STATUS) && - (irb->scsw.cstat & ~(SCHN_STAT_PCI | SCHN_STAT_INCORR_LEN)) == 0) - cdev_irb->scsw.count = irb->scsw.count; + if ((irb->scsw.cmd.stctl & SCSW_STCTL_PRIM_STATUS) && + (irb->scsw.cmd.cstat & ~(SCHN_STAT_PCI | SCHN_STAT_INCORR_LEN)) + == 0) + cdev_irb->scsw.cmd.count = irb->scsw.cmd.count; /* Take care of bits in the extended status word. */ ccw_device_accumulate_esw(cdev, irb); @@ -299,7 +298,7 @@ ccw_device_accumulate_irb(struct ccw_device *cdev, struct irb *irb) * sense facility available/supported when enabling the * concurrent sense facility. */ - if ((cdev_irb->scsw.dstat & DEV_STAT_UNIT_CHECK) && + if ((cdev_irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) && !(cdev_irb->esw.esw0.erw.cons)) cdev->private->flags.dosense = 1; } @@ -317,7 +316,7 @@ ccw_device_do_sense(struct ccw_device *cdev, struct irb *irb) sch = to_subchannel(cdev->dev.parent); /* A sense is required, can we do it now ? */ - if ((irb->scsw.actl & (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT)) != 0) + if (scsw_actl(&irb->scsw) & (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT)) /* * we received an Unit Check but we have no final * status yet, therefore we must delay the SENSE @@ -355,20 +354,18 @@ ccw_device_accumulate_basic_sense(struct ccw_device *cdev, struct irb *irb) * If not, the remaining bit have no meaning and we must ignore them. * The esw is not meaningful as well... */ - if (!(irb->scsw.stctl & SCSW_STCTL_STATUS_PEND)) + if (!(scsw_stctl(&irb->scsw) & SCSW_STCTL_STATUS_PEND)) return; /* Check for channel checks and interface control checks. */ ccw_device_msg_control_check(cdev, irb); /* Check for path not operational. */ - if (irb->scsw.pno && irb->scsw.fctl != 0 && - (!(irb->scsw.stctl & SCSW_STCTL_INTER_STATUS) || - (irb->scsw.actl & SCSW_ACTL_SUSPENDED))) + if (scsw_is_valid_pno(&irb->scsw) && scsw_pno(&irb->scsw)) ccw_device_path_notoper(cdev); - if (!(irb->scsw.dstat & DEV_STAT_UNIT_CHECK) && - (irb->scsw.dstat & DEV_STAT_CHN_END)) { + if (!(irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) && + (irb->scsw.cmd.dstat & DEV_STAT_CHN_END)) { cdev->private->irb.esw.esw0.erw.cons = 1; cdev->private->flags.dosense = 0; } @@ -386,11 +383,11 @@ int ccw_device_accumulate_and_sense(struct ccw_device *cdev, struct irb *irb) { ccw_device_accumulate_irb(cdev, irb); - if ((irb->scsw.actl & (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT)) != 0) + if ((irb->scsw.cmd.actl & (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT)) != 0) return -EBUSY; /* Check for basic sense. */ if (cdev->private->flags.dosense && - !(irb->scsw.dstat & DEV_STAT_UNIT_CHECK)) { + !(irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK)) { cdev->private->irb.esw.esw0.erw.cons = 1; cdev->private->flags.dosense = 0; return 0; diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 17df222dea80..72508d8f3c4a 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -2140,8 +2140,8 @@ qdio_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) QDIO_DBF_TEXT4(0, trace, dbf_text); #endif /* CONFIG_QDIO_DEBUG */ - cstat = irb->scsw.cstat; - dstat = irb->scsw.dstat; + cstat = irb->scsw.cmd.cstat; + dstat = irb->scsw.cmd.dstat; switch (irq_ptr->state) { case QDIO_IRQ_STATE_INACTIVE: diff --git a/drivers/s390/cio/scsw.c b/drivers/s390/cio/scsw.c new file mode 100644 index 000000000000..f8da25ab576d --- /dev/null +++ b/drivers/s390/cio/scsw.c @@ -0,0 +1,843 @@ +/* + * Helper functions for scsw access. + * + * Copyright IBM Corp. 2008 + * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> + */ + +#include <linux/types.h> +#include <linux/module.h> +#include <asm/cio.h> +#include "css.h" +#include "chsc.h" + +/** + * scsw_is_tm - check for transport mode scsw + * @scsw: pointer to scsw + * + * Return non-zero if the specified scsw is a transport mode scsw, zero + * otherwise. + */ +int scsw_is_tm(union scsw *scsw) +{ + return css_general_characteristics.fcx && (scsw->tm.x == 1); +} +EXPORT_SYMBOL(scsw_is_tm); + +/** + * scsw_key - return scsw key field + * @scsw: pointer to scsw + * + * Return the value of the key field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_key(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.key; + else + return scsw->cmd.key; +} +EXPORT_SYMBOL(scsw_key); + +/** + * scsw_eswf - return scsw eswf field + * @scsw: pointer to scsw + * + * Return the value of the eswf field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_eswf(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.eswf; + else + return scsw->cmd.eswf; +} +EXPORT_SYMBOL(scsw_eswf); + +/** + * scsw_cc - return scsw cc field + * @scsw: pointer to scsw + * + * Return the value of the cc field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_cc(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.cc; + else + return scsw->cmd.cc; +} +EXPORT_SYMBOL(scsw_cc); + +/** + * scsw_ectl - return scsw ectl field + * @scsw: pointer to scsw + * + * Return the value of the ectl field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_ectl(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.ectl; + else + return scsw->cmd.ectl; +} +EXPORT_SYMBOL(scsw_ectl); + +/** + * scsw_pno - return scsw pno field + * @scsw: pointer to scsw + * + * Return the value of the pno field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_pno(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.pno; + else + return scsw->cmd.pno; +} +EXPORT_SYMBOL(scsw_pno); + +/** + * scsw_fctl - return scsw fctl field + * @scsw: pointer to scsw + * + * Return the value of the fctl field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_fctl(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.fctl; + else + return scsw->cmd.fctl; +} +EXPORT_SYMBOL(scsw_fctl); + +/** + * scsw_actl - return scsw actl field + * @scsw: pointer to scsw + * + * Return the value of the actl field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_actl(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.actl; + else + return scsw->cmd.actl; +} +EXPORT_SYMBOL(scsw_actl); + +/** + * scsw_stctl - return scsw stctl field + * @scsw: pointer to scsw + * + * Return the value of the stctl field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_stctl(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.stctl; + else + return scsw->cmd.stctl; +} +EXPORT_SYMBOL(scsw_stctl); + +/** + * scsw_dstat - return scsw dstat field + * @scsw: pointer to scsw + * + * Return the value of the dstat field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_dstat(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.dstat; + else + return scsw->cmd.dstat; +} +EXPORT_SYMBOL(scsw_dstat); + +/** + * scsw_cstat - return scsw cstat field + * @scsw: pointer to scsw + * + * Return the value of the cstat field of the specified scsw, regardless of + * whether it is a transport mode or command mode scsw. + */ +u32 scsw_cstat(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw->tm.cstat; + else + return scsw->cmd.cstat; +} +EXPORT_SYMBOL(scsw_cstat); + +/** + * scsw_cmd_is_valid_key - check key field validity + * @scsw: pointer to scsw + * + * Return non-zero if the key field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_key(union scsw *scsw) +{ + return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_key); + +/** + * scsw_cmd_is_valid_sctl - check fctl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the fctl field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_sctl(union scsw *scsw) +{ + return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_sctl); + +/** + * scsw_cmd_is_valid_eswf - check eswf field validity + * @scsw: pointer to scsw + * + * Return non-zero if the eswf field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_eswf(union scsw *scsw) +{ + return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_eswf); + +/** + * scsw_cmd_is_valid_cc - check cc field validity + * @scsw: pointer to scsw + * + * Return non-zero if the cc field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_cc(union scsw *scsw) +{ + return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) && + (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_cc); + +/** + * scsw_cmd_is_valid_fmt - check fmt field validity + * @scsw: pointer to scsw + * + * Return non-zero if the fmt field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_fmt(union scsw *scsw) +{ + return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_fmt); + +/** + * scsw_cmd_is_valid_pfch - check pfch field validity + * @scsw: pointer to scsw + * + * Return non-zero if the pfch field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_pfch(union scsw *scsw) +{ + return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_pfch); + +/** + * scsw_cmd_is_valid_isic - check isic field validity + * @scsw: pointer to scsw + * + * Return non-zero if the isic field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_isic(union scsw *scsw) +{ + return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_isic); + +/** + * scsw_cmd_is_valid_alcc - check alcc field validity + * @scsw: pointer to scsw + * + * Return non-zero if the alcc field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_alcc(union scsw *scsw) +{ + return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_alcc); + +/** + * scsw_cmd_is_valid_ssi - check ssi field validity + * @scsw: pointer to scsw + * + * Return non-zero if the ssi field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_ssi(union scsw *scsw) +{ + return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_ssi); + +/** + * scsw_cmd_is_valid_zcc - check zcc field validity + * @scsw: pointer to scsw + * + * Return non-zero if the zcc field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_zcc(union scsw *scsw) +{ + return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) && + (scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_zcc); + +/** + * scsw_cmd_is_valid_ectl - check ectl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the ectl field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_ectl(union scsw *scsw) +{ + return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && + !(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) && + (scsw->cmd.stctl & SCSW_STCTL_ALERT_STATUS); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_ectl); + +/** + * scsw_cmd_is_valid_pno - check pno field validity + * @scsw: pointer to scsw + * + * Return non-zero if the pno field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_pno(union scsw *scsw) +{ + return (scsw->cmd.fctl != 0) && + (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && + (!(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) || + ((scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) && + (scsw->cmd.actl & SCSW_ACTL_SUSPENDED))); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_pno); + +/** + * scsw_cmd_is_valid_fctl - check fctl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the fctl field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_fctl(union scsw *scsw) +{ + /* Only valid if pmcw.dnv == 1*/ + return 1; +} +EXPORT_SYMBOL(scsw_cmd_is_valid_fctl); + +/** + * scsw_cmd_is_valid_actl - check actl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the actl field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_actl(union scsw *scsw) +{ + /* Only valid if pmcw.dnv == 1*/ + return 1; +} +EXPORT_SYMBOL(scsw_cmd_is_valid_actl); + +/** + * scsw_cmd_is_valid_stctl - check stctl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the stctl field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_stctl(union scsw *scsw) +{ + /* Only valid if pmcw.dnv == 1*/ + return 1; +} +EXPORT_SYMBOL(scsw_cmd_is_valid_stctl); + +/** + * scsw_cmd_is_valid_dstat - check dstat field validity + * @scsw: pointer to scsw + * + * Return non-zero if the dstat field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_dstat(union scsw *scsw) +{ + return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && + (scsw->cmd.cc != 3); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_dstat); + +/** + * scsw_cmd_is_valid_cstat - check cstat field validity + * @scsw: pointer to scsw + * + * Return non-zero if the cstat field of the specified command mode scsw is + * valid, zero otherwise. + */ +int scsw_cmd_is_valid_cstat(union scsw *scsw) +{ + return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && + (scsw->cmd.cc != 3); +} +EXPORT_SYMBOL(scsw_cmd_is_valid_cstat); + +/** + * scsw_tm_is_valid_key - check key field validity + * @scsw: pointer to scsw + * + * Return non-zero if the key field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_key(union scsw *scsw) +{ + return (scsw->tm.fctl & SCSW_FCTL_START_FUNC); +} +EXPORT_SYMBOL(scsw_tm_is_valid_key); + +/** + * scsw_tm_is_valid_eswf - check eswf field validity + * @scsw: pointer to scsw + * + * Return non-zero if the eswf field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_eswf(union scsw *scsw) +{ + return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND); +} +EXPORT_SYMBOL(scsw_tm_is_valid_eswf); + +/** + * scsw_tm_is_valid_cc - check cc field validity + * @scsw: pointer to scsw + * + * Return non-zero if the cc field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_cc(union scsw *scsw) +{ + return (scsw->tm.fctl & SCSW_FCTL_START_FUNC) && + (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND); +} +EXPORT_SYMBOL(scsw_tm_is_valid_cc); + +/** + * scsw_tm_is_valid_fmt - check fmt field validity + * @scsw: pointer to scsw + * + * Return non-zero if the fmt field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_fmt(union scsw *scsw) +{ + return 1; +} +EXPORT_SYMBOL(scsw_tm_is_valid_fmt); + +/** + * scsw_tm_is_valid_x - check x field validity + * @scsw: pointer to scsw + * + * Return non-zero if the x field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_x(union scsw *scsw) +{ + return 1; +} +EXPORT_SYMBOL(scsw_tm_is_valid_x); + +/** + * scsw_tm_is_valid_q - check q field validity + * @scsw: pointer to scsw + * + * Return non-zero if the q field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_q(union scsw *scsw) +{ + return 1; +} +EXPORT_SYMBOL(scsw_tm_is_valid_q); + +/** + * scsw_tm_is_valid_ectl - check ectl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the ectl field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_ectl(union scsw *scsw) +{ + return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && + !(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) && + (scsw->tm.stctl & SCSW_STCTL_ALERT_STATUS); +} +EXPORT_SYMBOL(scsw_tm_is_valid_ectl); + +/** + * scsw_tm_is_valid_pno - check pno field validity + * @scsw: pointer to scsw + * + * Return non-zero if the pno field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_pno(union scsw *scsw) +{ + return (scsw->tm.fctl != 0) && + (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && + (!(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) || + ((scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) && + (scsw->tm.actl & SCSW_ACTL_SUSPENDED))); +} +EXPORT_SYMBOL(scsw_tm_is_valid_pno); + +/** + * scsw_tm_is_valid_fctl - check fctl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the fctl field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_fctl(union scsw *scsw) +{ + /* Only valid if pmcw.dnv == 1*/ + return 1; +} +EXPORT_SYMBOL(scsw_tm_is_valid_fctl); + +/** + * scsw_tm_is_valid_actl - check actl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the actl field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_actl(union scsw *scsw) +{ + /* Only valid if pmcw.dnv == 1*/ + return 1; +} +EXPORT_SYMBOL(scsw_tm_is_valid_actl); + +/** + * scsw_tm_is_valid_stctl - check stctl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the stctl field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_stctl(union scsw *scsw) +{ + /* Only valid if pmcw.dnv == 1*/ + return 1; +} +EXPORT_SYMBOL(scsw_tm_is_valid_stctl); + +/** + * scsw_tm_is_valid_dstat - check dstat field validity + * @scsw: pointer to scsw + * + * Return non-zero if the dstat field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_dstat(union scsw *scsw) +{ + return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && + (scsw->tm.cc != 3); +} +EXPORT_SYMBOL(scsw_tm_is_valid_dstat); + +/** + * scsw_tm_is_valid_cstat - check cstat field validity + * @scsw: pointer to scsw + * + * Return non-zero if the cstat field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_cstat(union scsw *scsw) +{ + return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && + (scsw->tm.cc != 3); +} +EXPORT_SYMBOL(scsw_tm_is_valid_cstat); + +/** + * scsw_tm_is_valid_fcxs - check fcxs field validity + * @scsw: pointer to scsw + * + * Return non-zero if the fcxs field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_fcxs(union scsw *scsw) +{ + return 1; +} +EXPORT_SYMBOL(scsw_tm_is_valid_fcxs); + +/** + * scsw_tm_is_valid_schxs - check schxs field validity + * @scsw: pointer to scsw + * + * Return non-zero if the schxs field of the specified transport mode scsw is + * valid, zero otherwise. + */ +int scsw_tm_is_valid_schxs(union scsw *scsw) +{ + return (scsw->tm.cstat & (SCHN_STAT_PROG_CHECK | + SCHN_STAT_INTF_CTRL_CHK | + SCHN_STAT_PROT_CHECK | + SCHN_STAT_CHN_DATA_CHK)); +} +EXPORT_SYMBOL(scsw_tm_is_valid_schxs); + +/** + * scsw_is_valid_actl - check actl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the actl field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_actl(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_actl(scsw); + else + return scsw_cmd_is_valid_actl(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_actl); + +/** + * scsw_is_valid_cc - check cc field validity + * @scsw: pointer to scsw + * + * Return non-zero if the cc field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_cc(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_cc(scsw); + else + return scsw_cmd_is_valid_cc(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_cc); + +/** + * scsw_is_valid_cstat - check cstat field validity + * @scsw: pointer to scsw + * + * Return non-zero if the cstat field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_cstat(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_cstat(scsw); + else + return scsw_cmd_is_valid_cstat(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_cstat); + +/** + * scsw_is_valid_dstat - check dstat field validity + * @scsw: pointer to scsw + * + * Return non-zero if the dstat field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_dstat(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_dstat(scsw); + else + return scsw_cmd_is_valid_dstat(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_dstat); + +/** + * scsw_is_valid_ectl - check ectl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the ectl field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_ectl(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_ectl(scsw); + else + return scsw_cmd_is_valid_ectl(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_ectl); + +/** + * scsw_is_valid_eswf - check eswf field validity + * @scsw: pointer to scsw + * + * Return non-zero if the eswf field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_eswf(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_eswf(scsw); + else + return scsw_cmd_is_valid_eswf(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_eswf); + +/** + * scsw_is_valid_fctl - check fctl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the fctl field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_fctl(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_fctl(scsw); + else + return scsw_cmd_is_valid_fctl(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_fctl); + +/** + * scsw_is_valid_key - check key field validity + * @scsw: pointer to scsw + * + * Return non-zero if the key field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_key(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_key(scsw); + else + return scsw_cmd_is_valid_key(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_key); + +/** + * scsw_is_valid_pno - check pno field validity + * @scsw: pointer to scsw + * + * Return non-zero if the pno field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_pno(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_pno(scsw); + else + return scsw_cmd_is_valid_pno(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_pno); + +/** + * scsw_is_valid_stctl - check stctl field validity + * @scsw: pointer to scsw + * + * Return non-zero if the stctl field of the specified scsw is valid, + * regardless of whether it is a transport mode or command mode scsw. + * Return zero if the field does not contain a valid value. + */ +int scsw_is_valid_stctl(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_valid_stctl(scsw); + else + return scsw_cmd_is_valid_stctl(scsw); +} +EXPORT_SYMBOL(scsw_is_valid_stctl); + +/** + * scsw_cmd_is_solicited - check for solicited scsw + * @scsw: pointer to scsw + * + * Return non-zero if the command mode scsw indicates that the associated + * status condition is solicited, zero if it is unsolicited. + */ +int scsw_cmd_is_solicited(union scsw *scsw) +{ + return (scsw->cmd.cc != 0) || (scsw->cmd.stctl != + (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)); +} +EXPORT_SYMBOL(scsw_cmd_is_solicited); + +/** + * scsw_tm_is_solicited - check for solicited scsw + * @scsw: pointer to scsw + * + * Return non-zero if the transport mode scsw indicates that the associated + * status condition is solicited, zero if it is unsolicited. + */ +int scsw_tm_is_solicited(union scsw *scsw) +{ + return (scsw->tm.cc != 0) || (scsw->tm.stctl != + (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)); +} +EXPORT_SYMBOL(scsw_tm_is_solicited); + +/** + * scsw_is_solicited - check for solicited scsw + * @scsw: pointer to scsw + * + * Return non-zero if the transport or command mode scsw indicates that the + * associated status condition is solicited, zero if it is unsolicited. + */ +int scsw_is_solicited(union scsw *scsw) +{ + if (scsw_is_tm(scsw)) + return scsw_tm_is_solicited(scsw); + else + return scsw_cmd_is_solicited(scsw); +} +EXPORT_SYMBOL(scsw_is_solicited); diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 04a1d7bf678c..c644669a75c2 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -703,7 +703,8 @@ claw_irq_handler(struct ccw_device *cdev, if (!cdev->dev.driver_data) { printk(KERN_WARNING "claw: unsolicited interrupt for device:" "%s received c-%02x d-%02x\n", - cdev->dev.bus_id,irb->scsw.cstat, irb->scsw.dstat); + cdev->dev.bus_id, irb->scsw.cmd.cstat, + irb->scsw.cmd.dstat); #ifdef FUNCTRACE printk(KERN_INFO "claw: %s() " "exit on line %d\n",__func__,__LINE__); @@ -732,22 +733,23 @@ claw_irq_handler(struct ccw_device *cdev, #ifdef IOTRACE printk(KERN_INFO "%s: interrupt for device: %04x " "received c-%02x d-%02x state-%02x\n", - dev->name, p_ch->devno, irb->scsw.cstat, - irb->scsw.dstat, p_ch->claw_state); + dev->name, p_ch->devno, irb->scsw.cmd.cstat, + irb->scsw.cmd.dstat, p_ch->claw_state); #endif /* Copy interruption response block. */ memcpy(p_ch->irb, irb, sizeof(struct irb)); /* Check for good subchannel return code, otherwise error message */ - if (irb->scsw.cstat && !(irb->scsw.cstat & SCHN_STAT_PCI)) { + if (irb->scsw.cmd.cstat && !(irb->scsw.cmd.cstat & SCHN_STAT_PCI)) { printk(KERN_INFO "%s: subchannel check for device: %04x -" " Sch Stat %02x Dev Stat %02x CPA - %04x\n", dev->name, p_ch->devno, - irb->scsw.cstat, irb->scsw.dstat,irb->scsw.cpa); + irb->scsw.cmd.cstat, irb->scsw.cmd.dstat, + irb->scsw.cmd.cpa); #ifdef IOTRACE dumpit((char *)irb,sizeof(struct irb)); - dumpit((char *)(unsigned long)irb->scsw.cpa, + dumpit((char *)(unsigned long)irb->scsw.cmd.cpa, sizeof(struct ccw1)); #endif #ifdef FUNCTRACE @@ -759,22 +761,24 @@ claw_irq_handler(struct ccw_device *cdev, } /* Check the reason-code of a unit check */ - if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) { + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) ccw_check_unit_check(p_ch, irb->ecw[0]); - } /* State machine to bring the connection up, down and to restart */ - p_ch->last_dstat = irb->scsw.dstat; + p_ch->last_dstat = irb->scsw.cmd.dstat; switch (p_ch->claw_state) { case CLAW_STOP:/* HALT_IO by claw_release (halt sequence) */ #ifdef DEBUGMSG printk(KERN_INFO "%s: CLAW_STOP enter\n", dev->name); #endif - if (!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) || - (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) || - (p_ch->irb->scsw.stctl == - (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) { + if (!((p_ch->irb->scsw.cmd.stctl & + SCSW_STCTL_SEC_STATUS) || + (p_ch->irb->scsw.cmd.stctl == + SCSW_STCTL_STATUS_PEND) || + (p_ch->irb->scsw.cmd.stctl == + (SCSW_STCTL_ALERT_STATUS | + SCSW_STCTL_STATUS_PEND)))) { #ifdef FUNCTRACE printk(KERN_INFO "%s:%s Exit on line %d\n", dev->name,__func__,__LINE__); @@ -798,10 +802,13 @@ claw_irq_handler(struct ccw_device *cdev, printk(KERN_INFO "%s: process CLAW_STAT_HALT_IO\n", dev->name); #endif - if (!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) || - (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) || - (p_ch->irb->scsw.stctl == - (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) { + if (!((p_ch->irb->scsw.cmd.stctl & + SCSW_STCTL_SEC_STATUS) || + (p_ch->irb->scsw.cmd.stctl == + SCSW_STCTL_STATUS_PEND) || + (p_ch->irb->scsw.cmd.stctl == + (SCSW_STCTL_ALERT_STATUS | + SCSW_STCTL_STATUS_PEND)))) { #ifdef FUNCTRACE printk(KERN_INFO "%s:%s Exit on line %d\n", dev->name,__func__,__LINE__); @@ -828,8 +835,8 @@ claw_irq_handler(struct ccw_device *cdev, "interrupt for device:" "%s received c-%02x d-%02x\n", cdev->dev.bus_id, - irb->scsw.cstat, - irb->scsw.dstat); + irb->scsw.cmd.cstat, + irb->scsw.cmd.dstat); return; } #ifdef DEBUGMSG @@ -844,7 +851,7 @@ claw_irq_handler(struct ccw_device *cdev, return; case CLAW_START_READ: CLAW_DBF_TEXT(4,trace,"ReadIRQ"); - if (p_ch->irb->scsw.dstat & DEV_STAT_UNIT_CHECK) { + if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) { clear_bit(0, (void *)&p_ch->IO_active); if ((p_ch->irb->ecw[0] & 0x41) == 0x41 || (p_ch->irb->ecw[0] & 0x40) == 0x40 || @@ -863,8 +870,8 @@ claw_irq_handler(struct ccw_device *cdev, CLAW_DBF_TEXT(4,trace,"notrdy"); return; } - if ((p_ch->irb->scsw.cstat & SCHN_STAT_PCI) && - (p_ch->irb->scsw.dstat==0)) { + if ((p_ch->irb->scsw.cmd.cstat & SCHN_STAT_PCI) && + (p_ch->irb->scsw.cmd.dstat == 0)) { if (test_and_set_bit(CLAW_BH_ACTIVE, (void *)&p_ch->flag_a) == 0) { tasklet_schedule(&p_ch->tasklet); @@ -879,10 +886,13 @@ claw_irq_handler(struct ccw_device *cdev, CLAW_DBF_TEXT(4,trace,"PCI_read"); return; } - if(!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) || - (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) || - (p_ch->irb->scsw.stctl == - (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) { + if (!((p_ch->irb->scsw.cmd.stctl & + SCSW_STCTL_SEC_STATUS) || + (p_ch->irb->scsw.cmd.stctl == + SCSW_STCTL_STATUS_PEND) || + (p_ch->irb->scsw.cmd.stctl == + (SCSW_STCTL_ALERT_STATUS | + SCSW_STCTL_STATUS_PEND)))) { #ifdef FUNCTRACE printk(KERN_INFO "%s:%s Exit on line %d\n", dev->name,__func__,__LINE__); @@ -911,7 +921,7 @@ claw_irq_handler(struct ccw_device *cdev, CLAW_DBF_TEXT(4,trace,"RdIRQXit"); return; case CLAW_START_WRITE: - if (p_ch->irb->scsw.dstat & DEV_STAT_UNIT_CHECK) { + if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) { printk(KERN_INFO "%s: Unit Check Occured in " "write channel\n",dev->name); clear_bit(0, (void *)&p_ch->IO_active); @@ -934,16 +944,19 @@ claw_irq_handler(struct ccw_device *cdev, CLAW_DBF_TEXT(4,trace,"rstrtwrt"); return; } - if (p_ch->irb->scsw.dstat & DEV_STAT_UNIT_EXCEP) { + if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) { clear_bit(0, (void *)&p_ch->IO_active); printk(KERN_INFO "%s: Unit Exception " "Occured in write channel\n", dev->name); } - if(!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) || - (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) || - (p_ch->irb->scsw.stctl == - (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) { + if (!((p_ch->irb->scsw.cmd.stctl & + SCSW_STCTL_SEC_STATUS) || + (p_ch->irb->scsw.cmd.stctl == + SCSW_STCTL_STATUS_PEND) || + (p_ch->irb->scsw.cmd.stctl == + (SCSW_STCTL_ALERT_STATUS | + SCSW_STCTL_STATUS_PEND)))) { #ifdef FUNCTRACE printk(KERN_INFO "%s:%s Exit on line %d\n", dev->name,__func__,__LINE__); diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c index 2a106f3a076d..7e6bd387f4d8 100644 --- a/drivers/s390/net/ctcm_fsms.c +++ b/drivers/s390/net/ctcm_fsms.c @@ -257,9 +257,9 @@ static void chx_txdone(fsm_instance *fi, int event, void *arg) if (duration > ch->prof.tx_time) ch->prof.tx_time = duration; - if (ch->irb->scsw.count != 0) + if (ch->irb->scsw.cmd.count != 0) ctcm_pr_debug("%s: TX not complete, remaining %d bytes\n", - dev->name, ch->irb->scsw.count); + dev->name, ch->irb->scsw.cmd.count); fsm_deltimer(&ch->timer); while ((skb = skb_dequeue(&ch->io_queue))) { priv->stats.tx_packets++; @@ -353,7 +353,7 @@ static void chx_rx(fsm_instance *fi, int event, void *arg) struct channel *ch = arg; struct net_device *dev = ch->netdev; struct ctcm_priv *priv = dev->priv; - int len = ch->max_bufsize - ch->irb->scsw.count; + int len = ch->max_bufsize - ch->irb->scsw.cmd.count; struct sk_buff *skb = ch->trans_skb; __u16 block_len = *((__u16 *)skb->data); int check_len; @@ -1234,9 +1234,9 @@ static void ctcmpc_chx_txdone(fsm_instance *fi, int event, void *arg) if (duration > ch->prof.tx_time) ch->prof.tx_time = duration; - if (ch->irb->scsw.count != 0) + if (ch->irb->scsw.cmd.count != 0) ctcm_pr_debug("%s: TX not complete, remaining %d bytes\n", - dev->name, ch->irb->scsw.count); + dev->name, ch->irb->scsw.cmd.count); fsm_deltimer(&ch->timer); while ((skb = skb_dequeue(&ch->io_queue))) { priv->stats.tx_packets++; @@ -1394,7 +1394,7 @@ static void ctcmpc_chx_rx(fsm_instance *fi, int event, void *arg) struct sk_buff *skb = ch->trans_skb; struct sk_buff *new_skb; unsigned long saveflags = 0; /* avoids compiler warning */ - int len = ch->max_bufsize - ch->irb->scsw.count; + int len = ch->max_bufsize - ch->irb->scsw.cmd.count; if (do_debug_data) { CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG, "mpc_ch_rx %s cp:%i %s\n", diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index d52843da4f55..6b13c1c1beb8 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -1236,8 +1236,8 @@ static void ctcm_irq_handler(struct ccw_device *cdev, /* Check for unsolicited interrupts. */ if (cgdev == NULL) { ctcm_pr_warn("ctcm: Got unsolicited irq: %s c-%02x d-%02x\n", - cdev->dev.bus_id, irb->scsw.cstat, - irb->scsw.dstat); + cdev->dev.bus_id, irb->scsw.cmd.cstat, + irb->scsw.cmd.dstat); return; } @@ -1266,40 +1266,40 @@ static void ctcm_irq_handler(struct ccw_device *cdev, "received c-%02x d-%02x\n", dev->name, ch->id, - irb->scsw.cstat, - irb->scsw.dstat); + irb->scsw.cmd.cstat, + irb->scsw.cmd.dstat); /* Copy interruption response block. */ memcpy(ch->irb, irb, sizeof(struct irb)); /* Check for good subchannel return code, otherwise error message */ - if (irb->scsw.cstat) { + if (irb->scsw.cmd.cstat) { fsm_event(ch->fsm, CTC_EVENT_SC_UNKNOWN, ch); ctcm_pr_warn("%s: subchannel check for dev: %s - %02x %02x\n", - dev->name, ch->id, irb->scsw.cstat, - irb->scsw.dstat); + dev->name, ch->id, irb->scsw.cmd.cstat, + irb->scsw.cmd.dstat); return; } /* Check the reason-code of a unit check */ - if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) { + if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) { ccw_unit_check(ch, irb->ecw[0]); return; } - if (irb->scsw.dstat & DEV_STAT_BUSY) { - if (irb->scsw.dstat & DEV_STAT_ATTENTION) + if (irb->scsw.cmd.dstat & DEV_STAT_BUSY) { + if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION) fsm_event(ch->fsm, CTC_EVENT_ATTNBUSY, ch); else fsm_event(ch->fsm, CTC_EVENT_BUSY, ch); return; } - if (irb->scsw.dstat & DEV_STAT_ATTENTION) { + if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION) { fsm_event(ch->fsm, CTC_EVENT_ATTN, ch); return; } - if ((irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) || - (irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) || - (irb->scsw.stctl == + if ((irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) || + (irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) || + (irb->scsw.cmd.stctl == (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND))) fsm_event(ch->fsm, CTC_EVENT_FINSTAT, ch); else diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index dd22f4b37037..586cca21da95 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -1327,8 +1327,8 @@ lcs_get_problem(struct ccw_device *cdev, struct irb *irb) char *sense; sense = (char *) irb->ecw; - cstat = irb->scsw.cstat; - dstat = irb->scsw.dstat; + cstat = irb->scsw.cmd.cstat; + dstat = irb->scsw.cmd.dstat; if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK | SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK | @@ -1388,11 +1388,13 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) else channel = &card->write; - cstat = irb->scsw.cstat; - dstat = irb->scsw.dstat; + cstat = irb->scsw.cmd.cstat; + dstat = irb->scsw.cmd.dstat; LCS_DBF_TEXT_(5, trace, "Rint%s",cdev->dev.bus_id); - LCS_DBF_TEXT_(5, trace, "%4x%4x",irb->scsw.cstat, irb->scsw.dstat); - LCS_DBF_TEXT_(5, trace, "%4x%4x",irb->scsw.fctl, irb->scsw.actl); + LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.cstat, + irb->scsw.cmd.dstat); + LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.fctl, + irb->scsw.cmd.actl); /* Check for channel and device errors presented */ rc = lcs_get_problem(cdev, irb); @@ -1410,11 +1412,11 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) } /* How far in the ccw chain have we processed? */ if ((channel->state != LCS_CH_STATE_INIT) && - (irb->scsw.fctl & SCSW_FCTL_START_FUNC)) { - index = (struct ccw1 *) __va((addr_t) irb->scsw.cpa) + (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC)) { + index = (struct ccw1 *) __va((addr_t) irb->scsw.cmd.cpa) - channel->ccws; - if ((irb->scsw.actl & SCSW_ACTL_SUSPENDED) || - (irb->scsw.cstat & SCHN_STAT_PCI)) + if ((irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED) || + (irb->scsw.cmd.cstat & SCHN_STAT_PCI)) /* Bloody io subsystem tells us lies about cpa... */ index = (index - 1) & (LCS_NUM_BUFFS - 1); while (channel->io_idx != index) { @@ -1425,25 +1427,24 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) } } - if ((irb->scsw.dstat & DEV_STAT_DEV_END) || - (irb->scsw.dstat & DEV_STAT_CHN_END) || - (irb->scsw.dstat & DEV_STAT_UNIT_CHECK)) + if ((irb->scsw.cmd.dstat & DEV_STAT_DEV_END) || + (irb->scsw.cmd.dstat & DEV_STAT_CHN_END) || + (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK)) /* Mark channel as stopped. */ channel->state = LCS_CH_STATE_STOPPED; - else if (irb->scsw.actl & SCSW_ACTL_SUSPENDED) + else if (irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED) /* CCW execution stopped on a suspend bit. */ channel->state = LCS_CH_STATE_SUSPENDED; - if (irb->scsw.fctl & SCSW_FCTL_HALT_FUNC) { - if (irb->scsw.cc != 0) { + if (irb->scsw.cmd.fctl & SCSW_FCTL_HALT_FUNC) { + if (irb->scsw.cmd.cc != 0) { ccw_device_halt(channel->ccwdev, (addr_t) channel); return; } /* The channel has been stopped by halt_IO. */ channel->state = LCS_CH_STATE_HALTED; } - if (irb->scsw.fctl & SCSW_FCTL_CLEAR_FUNC) { + if (irb->scsw.cmd.fctl & SCSW_FCTL_CLEAR_FUNC) channel->state = LCS_CH_STATE_CLEARED; - } /* Do the rest in the tasklet. */ tasklet_schedule(&channel->irq_tasklet); } diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 9a71dae223e8..90db3e444f38 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -735,8 +735,8 @@ static int qeth_get_problem(struct ccw_device *cdev, struct irb *irb) char *sense; sense = (char *) irb->ecw; - cstat = irb->scsw.cstat; - dstat = irb->scsw.dstat; + cstat = irb->scsw.cmd.cstat; + dstat = irb->scsw.cmd.dstat; if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK | SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK | @@ -823,8 +823,8 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, if (__qeth_check_irb_error(cdev, intparm, irb)) return; - cstat = irb->scsw.cstat; - dstat = irb->scsw.dstat; + cstat = irb->scsw.cmd.cstat; + dstat = irb->scsw.cmd.dstat; card = CARD_FROM_CDEV(cdev); if (!card) @@ -842,10 +842,10 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, } atomic_set(&channel->irq_pending, 0); - if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC)) + if (irb->scsw.cmd.fctl & (SCSW_FCTL_CLEAR_FUNC)) channel->state = CH_STATE_STOPPED; - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC)) + if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC)) channel->state = CH_STATE_HALTED; /*let's wake up immediately on data channel*/ diff --git a/include/asm-s390/cio.h b/include/asm-s390/cio.h index 0818ecd30ca6..6dccb071aec3 100644 --- a/include/asm-s390/cio.h +++ b/include/asm-s390/cio.h @@ -16,7 +16,7 @@ #define __MAX_CSSID 0 /** - * struct scsw - subchannel status word + * struct cmd_scsw - command-mode subchannel status word * @key: subchannel key * @sctl: suspend control * @eswf: esw format @@ -38,7 +38,7 @@ * @cstat: subchannel status * @count: residual count */ -struct scsw { +struct cmd_scsw { __u32 key : 4; __u32 sctl : 1; __u32 eswf : 1; @@ -61,6 +61,114 @@ struct scsw { __u32 count : 16; } __attribute__ ((packed)); +/** + * struct tm_scsw - transport-mode subchannel status word + * @key: subchannel key + * @eswf: esw format + * @cc: deferred condition code + * @fmt: format + * @x: IRB-format control + * @q: interrogate-complete + * @ectl: extended control + * @pno: path not operational + * @fctl: function control + * @actl: activity control + * @stctl: status control + * @tcw: TCW address + * @dstat: device status + * @cstat: subchannel status + * @fcxs: FCX status + * @schxs: subchannel-extended status + */ +struct tm_scsw { + u32 key:4; + u32 :1; + u32 eswf:1; + u32 cc:2; + u32 fmt:3; + u32 x:1; + u32 q:1; + u32 :1; + u32 ectl:1; + u32 pno:1; + u32 :1; + u32 fctl:3; + u32 actl:7; + u32 stctl:5; + u32 tcw; + u32 dstat:8; + u32 cstat:8; + u32 fcxs:8; + u32 schxs:8; +} __attribute__ ((packed)); + +/** + * union scsw - subchannel status word + * @cmd: command-mode SCSW + * @tm: transport-mode SCSW + */ +union scsw { + struct cmd_scsw cmd; + struct tm_scsw tm; +} __attribute__ ((packed)); + +int scsw_is_tm(union scsw *scsw); +u32 scsw_key(union scsw *scsw); +u32 scsw_eswf(union scsw *scsw); +u32 scsw_cc(union scsw *scsw); +u32 scsw_ectl(union scsw *scsw); +u32 scsw_pno(union scsw *scsw); +u32 scsw_fctl(union scsw *scsw); +u32 scsw_actl(union scsw *scsw); +u32 scsw_stctl(union scsw *scsw); +u32 scsw_dstat(union scsw *scsw); +u32 scsw_cstat(union scsw *scsw); +int scsw_is_solicited(union scsw *scsw); +int scsw_is_valid_key(union scsw *scsw); +int scsw_is_valid_eswf(union scsw *scsw); +int scsw_is_valid_cc(union scsw *scsw); +int scsw_is_valid_ectl(union scsw *scsw); +int scsw_is_valid_pno(union scsw *scsw); +int scsw_is_valid_fctl(union scsw *scsw); +int scsw_is_valid_actl(union scsw *scsw); +int scsw_is_valid_stctl(union scsw *scsw); +int scsw_is_valid_dstat(union scsw *scsw); +int scsw_is_valid_cstat(union scsw *scsw); +int scsw_cmd_is_valid_key(union scsw *scsw); +int scsw_cmd_is_valid_sctl(union scsw *scsw); +int scsw_cmd_is_valid_eswf(union scsw *scsw); +int scsw_cmd_is_valid_cc(union scsw *scsw); +int scsw_cmd_is_valid_fmt(union scsw *scsw); +int scsw_cmd_is_valid_pfch(union scsw *scsw); +int scsw_cmd_is_valid_isic(union scsw *scsw); +int scsw_cmd_is_valid_alcc(union scsw *scsw); +int scsw_cmd_is_valid_ssi(union scsw *scsw); +int scsw_cmd_is_valid_zcc(union scsw *scsw); +int scsw_cmd_is_valid_ectl(union scsw *scsw); +int scsw_cmd_is_valid_pno(union scsw *scsw); +int scsw_cmd_is_valid_fctl(union scsw *scsw); +int scsw_cmd_is_valid_actl(union scsw *scsw); +int scsw_cmd_is_valid_stctl(union scsw *scsw); +int scsw_cmd_is_valid_dstat(union scsw *scsw); +int scsw_cmd_is_valid_cstat(union scsw *scsw); +int scsw_cmd_is_solicited(union scsw *scsw); +int scsw_tm_is_valid_key(union scsw *scsw); +int scsw_tm_is_valid_eswf(union scsw *scsw); +int scsw_tm_is_valid_cc(union scsw *scsw); +int scsw_tm_is_valid_fmt(union scsw *scsw); +int scsw_tm_is_valid_x(union scsw *scsw); +int scsw_tm_is_valid_q(union scsw *scsw); +int scsw_tm_is_valid_ectl(union scsw *scsw); +int scsw_tm_is_valid_pno(union scsw *scsw); +int scsw_tm_is_valid_fctl(union scsw *scsw); +int scsw_tm_is_valid_actl(union scsw *scsw); +int scsw_tm_is_valid_stctl(union scsw *scsw); +int scsw_tm_is_valid_dstat(union scsw *scsw); +int scsw_tm_is_valid_cstat(union scsw *scsw); +int scsw_tm_is_valid_fcxs(union scsw *scsw); +int scsw_tm_is_valid_schxs(union scsw *scsw); +int scsw_tm_is_solicited(union scsw *scsw); + #define SCSW_FCTL_CLEAR_FUNC 0x1 #define SCSW_FCTL_HALT_FUNC 0x2 #define SCSW_FCTL_START_FUNC 0x4 @@ -303,7 +411,7 @@ struct esw3 { * if applicable). */ struct irb { - struct scsw scsw; + union scsw scsw; union { struct esw0 esw0; struct esw1 esw1; |