aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/s390/net/claw.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/net/claw.c')
-rw-r--r--drivers/s390/net/claw.c77
1 files changed, 45 insertions, 32 deletions
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,
703 if (!cdev->dev.driver_data) { 703 if (!cdev->dev.driver_data) {
704 printk(KERN_WARNING "claw: unsolicited interrupt for device:" 704 printk(KERN_WARNING "claw: unsolicited interrupt for device:"
705 "%s received c-%02x d-%02x\n", 705 "%s received c-%02x d-%02x\n",
706 cdev->dev.bus_id,irb->scsw.cstat, irb->scsw.dstat); 706 cdev->dev.bus_id, irb->scsw.cmd.cstat,
707 irb->scsw.cmd.dstat);
707#ifdef FUNCTRACE 708#ifdef FUNCTRACE
708 printk(KERN_INFO "claw: %s() " 709 printk(KERN_INFO "claw: %s() "
709 "exit on line %d\n",__func__,__LINE__); 710 "exit on line %d\n",__func__,__LINE__);
@@ -732,22 +733,23 @@ claw_irq_handler(struct ccw_device *cdev,
732#ifdef IOTRACE 733#ifdef IOTRACE
733 printk(KERN_INFO "%s: interrupt for device: %04x " 734 printk(KERN_INFO "%s: interrupt for device: %04x "
734 "received c-%02x d-%02x state-%02x\n", 735 "received c-%02x d-%02x state-%02x\n",
735 dev->name, p_ch->devno, irb->scsw.cstat, 736 dev->name, p_ch->devno, irb->scsw.cmd.cstat,
736 irb->scsw.dstat, p_ch->claw_state); 737 irb->scsw.cmd.dstat, p_ch->claw_state);
737#endif 738#endif
738 739
739 /* Copy interruption response block. */ 740 /* Copy interruption response block. */
740 memcpy(p_ch->irb, irb, sizeof(struct irb)); 741 memcpy(p_ch->irb, irb, sizeof(struct irb));
741 742
742 /* Check for good subchannel return code, otherwise error message */ 743 /* Check for good subchannel return code, otherwise error message */
743 if (irb->scsw.cstat && !(irb->scsw.cstat & SCHN_STAT_PCI)) { 744 if (irb->scsw.cmd.cstat && !(irb->scsw.cmd.cstat & SCHN_STAT_PCI)) {
744 printk(KERN_INFO "%s: subchannel check for device: %04x -" 745 printk(KERN_INFO "%s: subchannel check for device: %04x -"
745 " Sch Stat %02x Dev Stat %02x CPA - %04x\n", 746 " Sch Stat %02x Dev Stat %02x CPA - %04x\n",
746 dev->name, p_ch->devno, 747 dev->name, p_ch->devno,
747 irb->scsw.cstat, irb->scsw.dstat,irb->scsw.cpa); 748 irb->scsw.cmd.cstat, irb->scsw.cmd.dstat,
749 irb->scsw.cmd.cpa);
748#ifdef IOTRACE 750#ifdef IOTRACE
749 dumpit((char *)irb,sizeof(struct irb)); 751 dumpit((char *)irb,sizeof(struct irb));
750 dumpit((char *)(unsigned long)irb->scsw.cpa, 752 dumpit((char *)(unsigned long)irb->scsw.cmd.cpa,
751 sizeof(struct ccw1)); 753 sizeof(struct ccw1));
752#endif 754#endif
753#ifdef FUNCTRACE 755#ifdef FUNCTRACE
@@ -759,22 +761,24 @@ claw_irq_handler(struct ccw_device *cdev,
759 } 761 }
760 762
761 /* Check the reason-code of a unit check */ 763 /* Check the reason-code of a unit check */
762 if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) { 764 if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK)
763 ccw_check_unit_check(p_ch, irb->ecw[0]); 765 ccw_check_unit_check(p_ch, irb->ecw[0]);
764 }
765 766
766 /* State machine to bring the connection up, down and to restart */ 767 /* State machine to bring the connection up, down and to restart */
767 p_ch->last_dstat = irb->scsw.dstat; 768 p_ch->last_dstat = irb->scsw.cmd.dstat;
768 769
769 switch (p_ch->claw_state) { 770 switch (p_ch->claw_state) {
770 case CLAW_STOP:/* HALT_IO by claw_release (halt sequence) */ 771 case CLAW_STOP:/* HALT_IO by claw_release (halt sequence) */
771#ifdef DEBUGMSG 772#ifdef DEBUGMSG
772 printk(KERN_INFO "%s: CLAW_STOP enter\n", dev->name); 773 printk(KERN_INFO "%s: CLAW_STOP enter\n", dev->name);
773#endif 774#endif
774 if (!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) || 775 if (!((p_ch->irb->scsw.cmd.stctl &
775 (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) || 776 SCSW_STCTL_SEC_STATUS) ||
776 (p_ch->irb->scsw.stctl == 777 (p_ch->irb->scsw.cmd.stctl ==
777 (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) { 778 SCSW_STCTL_STATUS_PEND) ||
779 (p_ch->irb->scsw.cmd.stctl ==
780 (SCSW_STCTL_ALERT_STATUS |
781 SCSW_STCTL_STATUS_PEND)))) {
778#ifdef FUNCTRACE 782#ifdef FUNCTRACE
779 printk(KERN_INFO "%s:%s Exit on line %d\n", 783 printk(KERN_INFO "%s:%s Exit on line %d\n",
780 dev->name,__func__,__LINE__); 784 dev->name,__func__,__LINE__);
@@ -798,10 +802,13 @@ claw_irq_handler(struct ccw_device *cdev,
798 printk(KERN_INFO "%s: process CLAW_STAT_HALT_IO\n", 802 printk(KERN_INFO "%s: process CLAW_STAT_HALT_IO\n",
799 dev->name); 803 dev->name);
800#endif 804#endif
801 if (!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) || 805 if (!((p_ch->irb->scsw.cmd.stctl &
802 (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) || 806 SCSW_STCTL_SEC_STATUS) ||
803 (p_ch->irb->scsw.stctl == 807 (p_ch->irb->scsw.cmd.stctl ==
804 (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) { 808 SCSW_STCTL_STATUS_PEND) ||
809 (p_ch->irb->scsw.cmd.stctl ==
810 (SCSW_STCTL_ALERT_STATUS |
811 SCSW_STCTL_STATUS_PEND)))) {
805#ifdef FUNCTRACE 812#ifdef FUNCTRACE
806 printk(KERN_INFO "%s:%s Exit on line %d\n", 813 printk(KERN_INFO "%s:%s Exit on line %d\n",
807 dev->name,__func__,__LINE__); 814 dev->name,__func__,__LINE__);
@@ -828,8 +835,8 @@ claw_irq_handler(struct ccw_device *cdev,
828 "interrupt for device:" 835 "interrupt for device:"
829 "%s received c-%02x d-%02x\n", 836 "%s received c-%02x d-%02x\n",
830 cdev->dev.bus_id, 837 cdev->dev.bus_id,
831 irb->scsw.cstat, 838 irb->scsw.cmd.cstat,
832 irb->scsw.dstat); 839 irb->scsw.cmd.dstat);
833 return; 840 return;
834 } 841 }
835#ifdef DEBUGMSG 842#ifdef DEBUGMSG
@@ -844,7 +851,7 @@ claw_irq_handler(struct ccw_device *cdev,
844 return; 851 return;
845 case CLAW_START_READ: 852 case CLAW_START_READ:
846 CLAW_DBF_TEXT(4,trace,"ReadIRQ"); 853 CLAW_DBF_TEXT(4,trace,"ReadIRQ");
847 if (p_ch->irb->scsw.dstat & DEV_STAT_UNIT_CHECK) { 854 if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
848 clear_bit(0, (void *)&p_ch->IO_active); 855 clear_bit(0, (void *)&p_ch->IO_active);
849 if ((p_ch->irb->ecw[0] & 0x41) == 0x41 || 856 if ((p_ch->irb->ecw[0] & 0x41) == 0x41 ||
850 (p_ch->irb->ecw[0] & 0x40) == 0x40 || 857 (p_ch->irb->ecw[0] & 0x40) == 0x40 ||
@@ -863,8 +870,8 @@ claw_irq_handler(struct ccw_device *cdev,
863 CLAW_DBF_TEXT(4,trace,"notrdy"); 870 CLAW_DBF_TEXT(4,trace,"notrdy");
864 return; 871 return;
865 } 872 }
866 if ((p_ch->irb->scsw.cstat & SCHN_STAT_PCI) && 873 if ((p_ch->irb->scsw.cmd.cstat & SCHN_STAT_PCI) &&
867 (p_ch->irb->scsw.dstat==0)) { 874 (p_ch->irb->scsw.cmd.dstat == 0)) {
868 if (test_and_set_bit(CLAW_BH_ACTIVE, 875 if (test_and_set_bit(CLAW_BH_ACTIVE,
869 (void *)&p_ch->flag_a) == 0) { 876 (void *)&p_ch->flag_a) == 0) {
870 tasklet_schedule(&p_ch->tasklet); 877 tasklet_schedule(&p_ch->tasklet);
@@ -879,10 +886,13 @@ claw_irq_handler(struct ccw_device *cdev,
879 CLAW_DBF_TEXT(4,trace,"PCI_read"); 886 CLAW_DBF_TEXT(4,trace,"PCI_read");
880 return; 887 return;
881 } 888 }
882 if(!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) || 889 if (!((p_ch->irb->scsw.cmd.stctl &
883 (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) || 890 SCSW_STCTL_SEC_STATUS) ||
884 (p_ch->irb->scsw.stctl == 891 (p_ch->irb->scsw.cmd.stctl ==
885 (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) { 892 SCSW_STCTL_STATUS_PEND) ||
893 (p_ch->irb->scsw.cmd.stctl ==
894 (SCSW_STCTL_ALERT_STATUS |
895 SCSW_STCTL_STATUS_PEND)))) {
886#ifdef FUNCTRACE 896#ifdef FUNCTRACE
887 printk(KERN_INFO "%s:%s Exit on line %d\n", 897 printk(KERN_INFO "%s:%s Exit on line %d\n",
888 dev->name,__func__,__LINE__); 898 dev->name,__func__,__LINE__);
@@ -911,7 +921,7 @@ claw_irq_handler(struct ccw_device *cdev,
911 CLAW_DBF_TEXT(4,trace,"RdIRQXit"); 921 CLAW_DBF_TEXT(4,trace,"RdIRQXit");
912 return; 922 return;
913 case CLAW_START_WRITE: 923 case CLAW_START_WRITE:
914 if (p_ch->irb->scsw.dstat & DEV_STAT_UNIT_CHECK) { 924 if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
915 printk(KERN_INFO "%s: Unit Check Occured in " 925 printk(KERN_INFO "%s: Unit Check Occured in "
916 "write channel\n",dev->name); 926 "write channel\n",dev->name);
917 clear_bit(0, (void *)&p_ch->IO_active); 927 clear_bit(0, (void *)&p_ch->IO_active);
@@ -934,16 +944,19 @@ claw_irq_handler(struct ccw_device *cdev,
934 CLAW_DBF_TEXT(4,trace,"rstrtwrt"); 944 CLAW_DBF_TEXT(4,trace,"rstrtwrt");
935 return; 945 return;
936 } 946 }
937 if (p_ch->irb->scsw.dstat & DEV_STAT_UNIT_EXCEP) { 947 if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) {
938 clear_bit(0, (void *)&p_ch->IO_active); 948 clear_bit(0, (void *)&p_ch->IO_active);
939 printk(KERN_INFO "%s: Unit Exception " 949 printk(KERN_INFO "%s: Unit Exception "
940 "Occured in write channel\n", 950 "Occured in write channel\n",
941 dev->name); 951 dev->name);
942 } 952 }
943 if(!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) || 953 if (!((p_ch->irb->scsw.cmd.stctl &
944 (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) || 954 SCSW_STCTL_SEC_STATUS) ||
945 (p_ch->irb->scsw.stctl == 955 (p_ch->irb->scsw.cmd.stctl ==
946 (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) { 956 SCSW_STCTL_STATUS_PEND) ||
957 (p_ch->irb->scsw.cmd.stctl ==
958 (SCSW_STCTL_ALERT_STATUS |
959 SCSW_STCTL_STATUS_PEND)))) {
947#ifdef FUNCTRACE 960#ifdef FUNCTRACE
948 printk(KERN_INFO "%s:%s Exit on line %d\n", 961 printk(KERN_INFO "%s:%s Exit on line %d\n",
949 dev->name,__func__,__LINE__); 962 dev->name,__func__,__LINE__);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-19 17:22:16 -0500