Lines Matching refs:sch
273 struct subchannel *sch; in ccw_device_set_offline() local
287 sch = to_subchannel(cdev->dev.parent); in ccw_device_set_offline()
308 io_subchannel_quiesce(sch); in ccw_device_set_offline()
543 struct subchannel *sch; in available_show() local
553 sch = to_subchannel(dev->parent); in available_show()
554 if (!sch->lpm) in available_show()
568 struct subchannel *sch = to_subchannel(dev); in initiate_logging() local
571 rc = chsc_siosl(sch->schid); in initiate_logging()
574 sch->schid.ssid, sch->schid.sch_no, rc); in initiate_logging()
578 sch->schid.ssid, sch->schid.sch_no); in initiate_logging()
585 struct subchannel *sch = to_subchannel(dev); in vpm_show() local
587 return sysfs_emit(buf, "%02x\n", sch->vpm); in vpm_show()
683 static struct ccw_device * io_subchannel_allocate_dev(struct subchannel *sch) in io_subchannel_allocate_dev() argument
701 cdev->dev.dma_mask = sch->dev.dma_mask; in io_subchannel_allocate_dev()
702 ret = dma_set_coherent_mask(&cdev->dev, sch->dev.coherent_dma_mask); in io_subchannel_allocate_dev()
732 static int io_subchannel_initialize_dev(struct subchannel *sch, in io_subchannel_initialize_dev() argument
741 priv->dev_id.devno = sch->schib.pmcw.dev; in io_subchannel_initialize_dev()
742 priv->dev_id.ssid = sch->schid.ssid; in io_subchannel_initialize_dev()
751 cdev->ccwlock = &sch->lock; in io_subchannel_initialize_dev()
752 cdev->dev.parent = &sch->dev; in io_subchannel_initialize_dev()
762 if (!get_device(&sch->dev)) { in io_subchannel_initialize_dev()
767 spin_lock_irq(&sch->lock); in io_subchannel_initialize_dev()
768 sch_set_cdev(sch, cdev); in io_subchannel_initialize_dev()
769 spin_unlock_irq(&sch->lock); in io_subchannel_initialize_dev()
778 static struct ccw_device * io_subchannel_create_ccwdev(struct subchannel *sch) in io_subchannel_create_ccwdev() argument
783 cdev = io_subchannel_allocate_dev(sch); in io_subchannel_create_ccwdev()
785 ret = io_subchannel_initialize_dev(sch, cdev); in io_subchannel_create_ccwdev()
794 static void sch_create_and_recog_new_device(struct subchannel *sch) in sch_create_and_recog_new_device() argument
799 cdev = io_subchannel_create_ccwdev(sch); in sch_create_and_recog_new_device()
802 css_sch_device_unregister(sch); in sch_create_and_recog_new_device()
806 io_subchannel_recog(cdev, sch); in sch_create_and_recog_new_device()
814 struct subchannel *sch; in io_subchannel_register() local
818 sch = to_subchannel(cdev->dev.parent); in io_subchannel_register()
825 if (!device_is_registered(&sch->dev)) in io_subchannel_register()
827 css_update_ssd_info(sch); in io_subchannel_register()
854 spin_lock_irqsave(&sch->lock, flags); in io_subchannel_register()
855 sch_set_cdev(sch, NULL); in io_subchannel_register()
856 spin_unlock_irqrestore(&sch->lock, flags); in io_subchannel_register()
901 static void io_subchannel_recog(struct ccw_device *cdev, struct subchannel *sch) in io_subchannel_recog() argument
907 spin_lock_irq(&sch->lock); in io_subchannel_recog()
909 spin_unlock_irq(&sch->lock); in io_subchannel_recog()
913 struct subchannel *sch) in ccw_device_move_to_sch() argument
920 if (!get_device(&sch->dev)) in ccw_device_move_to_sch()
932 put_device(&sch->dev); in ccw_device_move_to_sch()
937 mutex_lock(&sch->reg_mutex); in ccw_device_move_to_sch()
938 rc = device_move(&cdev->dev, &sch->dev, DPM_ORDER_PARENT_BEFORE_DEV); in ccw_device_move_to_sch()
939 mutex_unlock(&sch->reg_mutex); in ccw_device_move_to_sch()
943 cdev->private->dev_id.devno, sch->schid.ssid, in ccw_device_move_to_sch()
944 sch->schib.pmcw.dev, rc); in ccw_device_move_to_sch()
952 put_device(&sch->dev); in ccw_device_move_to_sch()
965 spin_lock_irq(&sch->lock); in ccw_device_move_to_sch()
966 cdev->ccwlock = &sch->lock; in ccw_device_move_to_sch()
967 if (!sch_is_pseudo_sch(sch)) in ccw_device_move_to_sch()
968 sch_set_cdev(sch, cdev); in ccw_device_move_to_sch()
969 spin_unlock_irq(&sch->lock); in ccw_device_move_to_sch()
970 if (!sch_is_pseudo_sch(sch)) in ccw_device_move_to_sch()
971 css_update_ssd_info(sch); in ccw_device_move_to_sch()
977 struct subchannel *sch = to_subchannel(cdev->dev.parent); in ccw_device_move_to_orph() local
978 struct channel_subsystem *css = to_css(sch->dev.parent); in ccw_device_move_to_orph()
983 static void io_subchannel_irq(struct subchannel *sch) in io_subchannel_irq() argument
987 cdev = sch_get_cdev(sch); in io_subchannel_irq()
990 CIO_TRACE_EVENT(6, dev_name(&sch->dev)); in io_subchannel_irq()
997 void io_subchannel_init_config(struct subchannel *sch) in io_subchannel_init_config() argument
999 memset(&sch->config, 0, sizeof(sch->config)); in io_subchannel_init_config()
1000 sch->config.csense = 1; in io_subchannel_init_config()
1003 static void io_subchannel_init_fields(struct subchannel *sch) in io_subchannel_init_fields() argument
1005 if (cio_is_console(sch->schid)) in io_subchannel_init_fields()
1006 sch->opm = 0xff; in io_subchannel_init_fields()
1008 sch->opm = chp_get_sch_opm(sch); in io_subchannel_init_fields()
1009 sch->lpm = sch->schib.pmcw.pam & sch->opm; in io_subchannel_init_fields()
1010 sch->isc = cio_is_console(sch->schid) ? CONSOLE_ISC : IO_SCH_ISC; in io_subchannel_init_fields()
1014 sch->schib.pmcw.dev, sch->schid.ssid, in io_subchannel_init_fields()
1015 sch->schid.sch_no, sch->schib.pmcw.pim, in io_subchannel_init_fields()
1016 sch->schib.pmcw.pam, sch->schib.pmcw.pom); in io_subchannel_init_fields()
1018 io_subchannel_init_config(sch); in io_subchannel_init_fields()
1025 static int io_subchannel_probe(struct subchannel *sch) in io_subchannel_probe() argument
1031 if (cio_is_console(sch->schid)) { in io_subchannel_probe()
1032 rc = sysfs_create_group(&sch->dev.kobj, in io_subchannel_probe()
1038 sch->schid.ssid, sch->schid.sch_no, rc); in io_subchannel_probe()
1043 cdev = sch_get_cdev(sch); in io_subchannel_probe()
1054 io_subchannel_init_fields(sch); in io_subchannel_probe()
1055 rc = cio_commit_config(sch); in io_subchannel_probe()
1058 rc = sysfs_create_group(&sch->dev.kobj, in io_subchannel_probe()
1067 io_priv->dma_area = dma_alloc_coherent(&sch->dev, in io_subchannel_probe()
1075 set_io_private(sch, io_priv); in io_subchannel_probe()
1076 css_schedule_eval(sch->schid); in io_subchannel_probe()
1080 spin_lock_irq(&sch->lock); in io_subchannel_probe()
1081 css_sched_sch_todo(sch, SCH_TODO_UNREG); in io_subchannel_probe()
1082 spin_unlock_irq(&sch->lock); in io_subchannel_probe()
1086 static void io_subchannel_remove(struct subchannel *sch) in io_subchannel_remove() argument
1088 struct io_subchannel_private *io_priv = to_io_private(sch); in io_subchannel_remove()
1091 cdev = sch_get_cdev(sch); in io_subchannel_remove()
1096 spin_lock_irq(&sch->lock); in io_subchannel_remove()
1097 sch_set_cdev(sch, NULL); in io_subchannel_remove()
1098 set_io_private(sch, NULL); in io_subchannel_remove()
1099 spin_unlock_irq(&sch->lock); in io_subchannel_remove()
1101 dma_free_coherent(&sch->dev, sizeof(*io_priv->dma_area), in io_subchannel_remove()
1104 sysfs_remove_group(&sch->dev.kobj, &io_subchannel_attr_group); in io_subchannel_remove()
1107 static void io_subchannel_verify(struct subchannel *sch) in io_subchannel_verify() argument
1111 cdev = sch_get_cdev(sch); in io_subchannel_verify()
1115 css_schedule_eval(sch->schid); in io_subchannel_verify()
1118 static void io_subchannel_terminate_path(struct subchannel *sch, u8 mask) in io_subchannel_terminate_path() argument
1122 cdev = sch_get_cdev(sch); in io_subchannel_terminate_path()
1125 if (cio_update_schib(sch)) in io_subchannel_terminate_path()
1128 if (scsw_actl(&sch->schib.scsw) == 0 || sch->schib.pmcw.lpum != mask) in io_subchannel_terminate_path()
1134 if (cio_clear(sch)) in io_subchannel_terminate_path()
1145 static int io_subchannel_chp_event(struct subchannel *sch, in io_subchannel_chp_event() argument
1148 struct ccw_device *cdev = sch_get_cdev(sch); in io_subchannel_chp_event()
1152 mask = chp_ssd_get_mask(&sch->ssd_info, link); in io_subchannel_chp_event()
1157 sch->opm &= ~mask; in io_subchannel_chp_event()
1158 sch->lpm &= ~mask; in io_subchannel_chp_event()
1161 io_subchannel_terminate_path(sch, mask); in io_subchannel_chp_event()
1164 sch->opm |= mask; in io_subchannel_chp_event()
1165 sch->lpm |= mask; in io_subchannel_chp_event()
1168 io_subchannel_verify(sch); in io_subchannel_chp_event()
1171 if (cio_update_schib(sch)) in io_subchannel_chp_event()
1175 io_subchannel_terminate_path(sch, mask); in io_subchannel_chp_event()
1178 if (cio_update_schib(sch)) in io_subchannel_chp_event()
1180 sch->lpm |= mask & sch->opm; in io_subchannel_chp_event()
1183 io_subchannel_verify(sch); in io_subchannel_chp_event()
1201 static void io_subchannel_quiesce(struct subchannel *sch) in io_subchannel_quiesce() argument
1206 spin_lock_irq(&sch->lock); in io_subchannel_quiesce()
1207 cdev = sch_get_cdev(sch); in io_subchannel_quiesce()
1208 if (cio_is_console(sch->schid)) in io_subchannel_quiesce()
1210 if (!sch->schib.pmcw.ena) in io_subchannel_quiesce()
1212 ret = cio_disable_subchannel(sch); in io_subchannel_quiesce()
1223 spin_unlock_irq(&sch->lock); in io_subchannel_quiesce()
1226 spin_lock_irq(&sch->lock); in io_subchannel_quiesce()
1228 ret = cio_disable_subchannel(sch); in io_subchannel_quiesce()
1231 spin_unlock_irq(&sch->lock); in io_subchannel_quiesce()
1234 static void io_subchannel_shutdown(struct subchannel *sch) in io_subchannel_shutdown() argument
1236 io_subchannel_quiesce(sch); in io_subchannel_shutdown()
1250 struct subchannel *sch; in recovery_check() local
1256 sch = to_subchannel(cdev->dev.parent); in recovery_check()
1257 if ((sch->schib.pmcw.pam & sch->opm) == sch->vpm) in recovery_check()
1318 static int purge_fn(struct subchannel *sch, void *data) in purge_fn() argument
1322 spin_lock_irq(&sch->lock); in purge_fn()
1323 if (sch->st != SUBCHANNEL_TYPE_IO || !sch->schib.pmcw.dnv) in purge_fn()
1326 if (!is_blacklisted(sch->schid.ssid, sch->schib.pmcw.dev)) in purge_fn()
1329 cdev = sch_get_cdev(sch); in purge_fn()
1340 css_sched_sch_todo(sch, SCH_TODO_UNREG); in purge_fn()
1341 CIO_MSG_EVENT(3, "ccw: purging 0.%x.%04x%s\n", sch->schid.ssid, in purge_fn()
1342 sch->schib.pmcw.dev, cdev ? "" : " (no cdev)"); in purge_fn()
1345 spin_unlock_irq(&sch->lock); in purge_fn()
1378 struct subchannel *sch = to_subchannel(cdev->dev.parent); in ccw_device_set_notoper() local
1381 CIO_TRACE_EVENT(2, dev_name(&sch->dev)); in ccw_device_set_notoper()
1383 cio_disable_subchannel(sch); in ccw_device_set_notoper()
1401 static enum io_sch_action sch_get_action(struct subchannel *sch) in sch_get_action() argument
1406 cdev = sch_get_cdev(sch); in sch_get_action()
1407 rc = cio_update_schib(sch); in sch_get_action()
1430 if (sch->schib.pmcw.dev != cdev->private->dev_id.devno) { in sch_get_action()
1435 if ((sch->schib.pmcw.pam & sch->opm) == 0) { in sch_get_action()
1459 static int io_subchannel_sch_event(struct subchannel *sch, int process) in io_subchannel_sch_event() argument
1467 spin_lock_irqsave(&sch->lock, flags); in io_subchannel_sch_event()
1468 if (!device_is_registered(&sch->dev)) in io_subchannel_sch_event()
1470 if (work_pending(&sch->todo_work)) in io_subchannel_sch_event()
1472 cdev = sch_get_cdev(sch); in io_subchannel_sch_event()
1475 action = sch_get_action(sch); in io_subchannel_sch_event()
1477 sch->schid.ssid, sch->schid.sch_no, process, in io_subchannel_sch_event()
1488 io_subchannel_verify(sch); in io_subchannel_sch_event()
1521 spin_unlock_irqrestore(&sch->lock, flags); in io_subchannel_sch_event()
1537 spin_lock_irqsave(&sch->lock, flags); in io_subchannel_sch_event()
1538 sch_set_cdev(sch, NULL); in io_subchannel_sch_event()
1539 spin_unlock_irqrestore(&sch->lock, flags); in io_subchannel_sch_event()
1550 css_sch_device_unregister(sch); in io_subchannel_sch_event()
1555 dev_id.ssid = sch->schid.ssid; in io_subchannel_sch_event()
1556 dev_id.devno = sch->schib.pmcw.dev; in io_subchannel_sch_event()
1559 sch_create_and_recog_new_device(sch); in io_subchannel_sch_event()
1562 rc = ccw_device_move_to_sch(cdev, sch); in io_subchannel_sch_event()
1568 spin_lock_irqsave(&sch->lock, flags); in io_subchannel_sch_event()
1570 spin_unlock_irqrestore(&sch->lock, flags); in io_subchannel_sch_event()
1580 spin_unlock_irqrestore(&sch->lock, flags); in io_subchannel_sch_event()
1600 struct subchannel *sch = to_subchannel(cdev->dev.parent); in ccw_device_enable_console() local
1606 io_subchannel_init_fields(sch); in ccw_device_enable_console()
1607 rc = cio_commit_config(sch); in ccw_device_enable_console()
1610 sch->driver = &io_subchannel_driver; in ccw_device_enable_console()
1611 io_subchannel_recog(cdev, sch); in ccw_device_enable_console()
1641 struct subchannel *sch; in ccw_device_create_console() local
1643 sch = cio_probe_console(); in ccw_device_create_console()
1644 if (IS_ERR(sch)) in ccw_device_create_console()
1645 return ERR_CAST(sch); in ccw_device_create_console()
1650 io_priv->dma_area = dma_alloc_coherent(&sch->dev, in ccw_device_create_console()
1655 set_io_private(sch, io_priv); in ccw_device_create_console()
1656 cdev = io_subchannel_create_ccwdev(sch); in ccw_device_create_console()
1658 dma_free_coherent(&sch->dev, sizeof(*io_priv->dma_area), in ccw_device_create_console()
1660 set_io_private(sch, NULL); in ccw_device_create_console()
1661 put_device(&sch->dev); in ccw_device_create_console()
1672 put_device(&sch->dev); in ccw_device_create_console()
1678 struct subchannel *sch = to_subchannel(cdev->dev.parent); in ccw_device_destroy_console() local
1679 struct io_subchannel_private *io_priv = to_io_private(sch); in ccw_device_destroy_console()
1681 set_io_private(sch, NULL); in ccw_device_destroy_console()
1682 dma_free_coherent(&sch->dev, sizeof(*io_priv->dma_area), in ccw_device_destroy_console()
1684 put_device(&sch->dev); in ccw_device_destroy_console()
1699 struct subchannel *sch = to_subchannel(cdev->dev.parent); in ccw_device_wait_idle() local
1702 cio_tsch(sch); in ccw_device_wait_idle()
1703 if (sch->schib.scsw.cmd.actl == 0) in ccw_device_wait_idle()
1764 struct subchannel *sch; in ccw_device_remove() local
1790 sch = to_subchannel(cdev->dev.parent); in ccw_device_remove()
1792 io_subchannel_quiesce(sch); in ccw_device_remove()
1847 struct subchannel *sch; in ccw_device_todo() local
1852 sch = to_subchannel(cdev->dev.parent); in ccw_device_todo()
1872 if (!sch_is_pseudo_sch(sch)) in ccw_device_todo()
1873 css_schedule_eval(sch->schid); in ccw_device_todo()
1876 spin_lock_irq(&sch->lock); in ccw_device_todo()
1877 sch_set_cdev(sch, NULL); in ccw_device_todo()
1878 spin_unlock_irq(&sch->lock); in ccw_device_todo()
1923 struct subchannel *sch = to_subchannel(cdev->dev.parent); in ccw_device_siosl() local
1925 return chsc_siosl(sch->schid); in ccw_device_siosl()