diff options
-rw-r--r-- | arch/s390/appldata/appldata_base.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/s390_ext.c | 4 | ||||
-rw-r--r-- | arch/s390/kernel/stacktrace.c | 17 | ||||
-rw-r--r-- | arch/s390/kernel/vtime.c | 8 | ||||
-rw-r--r-- | drivers/s390/char/monwriter.c | 2 | ||||
-rw-r--r-- | drivers/s390/cio/chsc.c | 23 | ||||
-rw-r--r-- | drivers/s390/cio/cio.c | 4 | ||||
-rw-r--r-- | drivers/s390/cio/css.c | 2 | ||||
-rw-r--r-- | drivers/s390/cio/css.h | 7 | ||||
-rw-r--r-- | drivers/s390/cio/device.c | 48 | ||||
-rw-r--r-- | drivers/s390/cio/device.h | 1 | ||||
-rw-r--r-- | drivers/s390/cio/device_fsm.c | 113 | ||||
-rw-r--r-- | drivers/s390/cio/device_id.c | 14 | ||||
-rw-r--r-- | drivers/s390/cio/device_ops.c | 6 | ||||
-rw-r--r-- | drivers/s390/cio/device_pgid.c | 23 | ||||
-rw-r--r-- | drivers/s390/cio/device_status.c | 7 | ||||
-rw-r--r-- | drivers/s390/cio/qdio.c | 10 | ||||
-rw-r--r-- | include/asm-s390/cio.h | 6 | ||||
-rw-r--r-- | include/asm-s390/timer.h | 2 |
19 files changed, 123 insertions, 176 deletions
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index 2b1e6c9a6e0e..45c9fa7d7545 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -109,7 +109,7 @@ static LIST_HEAD(appldata_ops_list); * * schedule work and reschedule timer */ -static void appldata_timer_function(unsigned long data, struct pt_regs *regs) +static void appldata_timer_function(unsigned long data) { P_DEBUG(" -= Timer =-\n"); P_DEBUG("CPU: %i, expire_count: %i\n", smp_processor_id(), diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c index c49ab8c784d2..4faf96f8a834 100644 --- a/arch/s390/kernel/s390_ext.c +++ b/arch/s390/kernel/s390_ext.c @@ -117,8 +117,8 @@ void do_extint(struct pt_regs *regs, unsigned short code) int index; struct pt_regs *old_regs; - irq_enter(); old_regs = set_irq_regs(regs); + irq_enter(); asm volatile ("mc 0,0"); if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer) /** @@ -134,8 +134,8 @@ void do_extint(struct pt_regs *regs, unsigned short code) p->handler(code); } } - set_irq_regs(old_regs); irq_exit(); + set_irq_regs(old_regs); } EXPORT_SYMBOL(register_external_interrupt); diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index d9428a0fc8fb..0d14a4789bf2 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -62,27 +62,26 @@ static inline unsigned long save_context_stack(struct stack_trace *trace, void save_stack_trace(struct stack_trace *trace, struct task_struct *task) { register unsigned long sp asm ("15"); - unsigned long orig_sp; + unsigned long orig_sp, new_sp; - sp &= PSW_ADDR_INSN; - orig_sp = sp; + orig_sp = sp & PSW_ADDR_INSN; - sp = save_context_stack(trace, &trace->skip, sp, + new_sp = save_context_stack(trace, &trace->skip, orig_sp, S390_lowcore.panic_stack - PAGE_SIZE, S390_lowcore.panic_stack); - if ((sp != orig_sp) && !trace->all_contexts) + if ((new_sp != orig_sp) && !trace->all_contexts) return; - sp = save_context_stack(trace, &trace->skip, sp, + new_sp = save_context_stack(trace, &trace->skip, new_sp, S390_lowcore.async_stack - ASYNC_SIZE, S390_lowcore.async_stack); - if ((sp != orig_sp) && !trace->all_contexts) + if ((new_sp != orig_sp) && !trace->all_contexts) return; if (task) - save_context_stack(trace, &trace->skip, sp, + save_context_stack(trace, &trace->skip, new_sp, (unsigned long) task_stack_page(task), (unsigned long) task_stack_page(task) + THREAD_SIZE); else - save_context_stack(trace, &trace->skip, sp, + save_context_stack(trace, &trace->skip, new_sp, S390_lowcore.thread_info, S390_lowcore.thread_info + THREAD_SIZE); return; diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 1d7d3938b2b1..21baaf5496d6 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -209,11 +209,11 @@ static void list_add_sorted(struct vtimer_list *timer, struct list_head *head) * Do the callback functions of expired vtimer events. * Called from within the interrupt handler. */ -static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs) +static void do_callbacks(struct list_head *cb_list) { struct vtimer_queue *vt_list; struct vtimer_list *event, *tmp; - void (*fn)(unsigned long, struct pt_regs*); + void (*fn)(unsigned long); unsigned long data; if (list_empty(cb_list)) @@ -224,7 +224,7 @@ static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs) list_for_each_entry_safe(event, tmp, cb_list, entry) { fn = event->function; data = event->data; - fn(data, regs); + fn(data); if (!event->interval) /* delete one shot timer */ @@ -275,7 +275,7 @@ static void do_cpu_timer_interrupt(__u16 error_code) list_move_tail(&event->entry, &cb_list); } spin_unlock(&vt_list->lock); - do_callbacks(&cb_list, get_irq_regs()); + do_callbacks(&cb_list); /* next event is first in list */ spin_lock(&vt_list->lock); diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c index 4362ff260244..abd02ed501cb 100644 --- a/drivers/s390/char/monwriter.c +++ b/drivers/s390/char/monwriter.c @@ -110,7 +110,7 @@ static int monwrite_new_hdr(struct mon_private *monpriv) monbuf = kzalloc(sizeof(struct mon_buf), GFP_KERNEL); if (!monbuf) return -ENOMEM; - monbuf->data = kzalloc(monbuf->hdr.datalen, + monbuf->data = kzalloc(monhdr->datalen, GFP_KERNEL | GFP_DMA); if (!monbuf->data) { kfree(monbuf); diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 07c7f19339d2..2d78f0f4a40f 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -370,7 +370,7 @@ __s390_process_res_acc(struct subchannel_id schid, void *data) struct res_acc_data *res_data; struct subchannel *sch; - res_data = (struct res_acc_data *)data; + res_data = data; sch = get_subchannel_by_schid(schid); if (!sch) /* Check if a subchannel is newly available. */ @@ -444,7 +444,7 @@ __get_chpid_from_lir(void *data) u32 isinfo[28]; } *lir; - lir = (struct lir*) data; + lir = data; if (!(lir->iq&0x80)) /* NULL link incident record */ return -EINVAL; @@ -628,7 +628,7 @@ __chp_add(struct subchannel_id schid, void *data) struct channel_path *chp; struct subchannel *sch; - chp = (struct channel_path *)data; + chp = data; sch = get_subchannel_by_schid(schid); if (!sch) /* Check if the subchannel is now available. */ @@ -707,8 +707,7 @@ chp_process_crw(int chpid, int on) return chp_add(chpid); } -static inline int -__check_for_io_and_kill(struct subchannel *sch, int index) +static inline int check_for_io_on_path(struct subchannel *sch, int index) { int cc; @@ -718,10 +717,8 @@ __check_for_io_and_kill(struct subchannel *sch, int index) cc = stsch(sch->schid, &sch->schib); if (cc) return 0; - if (sch->schib.scsw.actl && sch->schib.pmcw.lpum == (0x80 >> index)) { - device_set_waiting(sch); + if (sch->schib.scsw.actl && sch->schib.pmcw.lpum == (0x80 >> index)) return 1; - } return 0; } @@ -750,12 +747,10 @@ __s390_subchannel_vary_chpid(struct subchannel *sch, __u8 chpid, int on) } else { sch->opm &= ~(0x80 >> chp); sch->lpm &= ~(0x80 >> chp); - /* - * Give running I/O a grace period in which it - * can successfully terminate, even using the - * just varied off path. Then kill it. - */ - if (!__check_for_io_and_kill(sch, chp) && !sch->lpm) { + if (check_for_io_on_path(sch, chp)) + /* Path verification is done after killing. */ + device_kill_io(sch); + else if (!sch->lpm) { if (css_enqueue_subchannel_slow(sch->schid)) { css_clear_subchannel_slow_list(); need_rescan = 1; diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index f18b1623cad7..8936e460a807 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -609,8 +609,8 @@ do_IRQ (struct pt_regs *regs) struct irb *irb; struct pt_regs *old_regs; - irq_enter (); old_regs = set_irq_regs(regs); + irq_enter(); asm volatile ("mc 0,0"); if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer) /** @@ -655,8 +655,8 @@ do_IRQ (struct pt_regs *regs) * out of the sie which costs more cycles than it saves. */ } while (!MACHINE_IS_VM && tpi (NULL) != 0); + irq_exit(); set_irq_regs(old_regs); - irq_exit (); } #ifdef CONFIG_CCW_CONSOLE diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 7086a74e9871..a2dee5bf5a17 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -177,7 +177,7 @@ get_subchannel_by_schid(struct subchannel_id schid) struct device *dev; dev = bus_find_device(&css_bus_type, NULL, - (void *)&schid, check_subchannel); + &schid, check_subchannel); return dev ? to_subchannel(dev) : NULL; } diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index 8aabb4adeb5f..4c2ff8336288 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -76,9 +76,8 @@ struct ccw_device_private { int state; /* device state */ atomic_t onoff; unsigned long registered; - __u16 devno; /* device number */ - __u16 sch_no; /* subchannel number */ - __u8 ssid; /* subchannel set id */ + struct ccw_dev_id dev_id; /* device id */ + struct subchannel_id schid; /* subchannel number */ __u8 imask; /* lpm mask for SNID/SID/SPGID */ int iretry; /* retry counter SNID/SID/SPGID */ struct { @@ -171,7 +170,7 @@ void device_trigger_reprobe(struct subchannel *); /* Helper functions for vary on/off. */ int device_is_online(struct subchannel *); -void device_set_waiting(struct subchannel *); +void device_kill_io(struct subchannel *); /* Machine check helper function. */ void device_kill_pending_timer(struct subchannel *); diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 688945662c15..94bdd4d8a4c9 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -552,21 +552,19 @@ ccw_device_register(struct ccw_device *cdev) } struct match_data { - unsigned int devno; - unsigned int ssid; + struct ccw_dev_id dev_id; struct ccw_device * sibling; }; static int match_devno(struct device * dev, void * data) { - struct match_data * d = (struct match_data *)data; + struct match_data * d = data; struct ccw_device * cdev; cdev = to_ccwdev(dev); if ((cdev->private->state == DEV_STATE_DISCONNECTED) && - (cdev->private->devno == d->devno) && - (cdev->private->ssid == d->ssid) && + ccw_dev_id_is_equal(&cdev->private->dev_id, &d->dev_id) && (cdev != d->sibling)) { cdev->private->state = DEV_STATE_NOT_OPER; return 1; @@ -574,15 +572,13 @@ match_devno(struct device * dev, void * data) return 0; } -static struct ccw_device * -get_disc_ccwdev_by_devno(unsigned int devno, unsigned int ssid, - struct ccw_device *sibling) +static struct ccw_device * get_disc_ccwdev_by_dev_id(struct ccw_dev_id *dev_id, + struct ccw_device *sibling) { struct device *dev; struct match_data data; - data.devno = devno; - data.ssid = ssid; + data.dev_id = *dev_id; data.sibling = sibling; dev = bus_find_device(&ccw_bus_type, NULL, &data, match_devno); @@ -595,7 +591,7 @@ ccw_device_add_changed(void *data) struct ccw_device *cdev; - cdev = (struct ccw_device *)data; + cdev = data; if (device_add(&cdev->dev)) { put_device(&cdev->dev); return; @@ -616,9 +612,9 @@ ccw_device_do_unreg_rereg(void *data) struct subchannel *sch; int need_rename; - cdev = (struct ccw_device *)data; + cdev = data; sch = to_subchannel(cdev->dev.parent); - if (cdev->private->devno != sch->schib.pmcw.dev) { + if (cdev->private->dev_id.devno != sch->schib.pmcw.dev) { /* * The device number has changed. This is usually only when * a device has been detached under VM and then re-appeared @@ -633,10 +629,12 @@ ccw_device_do_unreg_rereg(void *data) * get possibly sick... */ struct ccw_device *other_cdev; + struct ccw_dev_id dev_id; need_rename = 1; - other_cdev = get_disc_ccwdev_by_devno(sch->schib.pmcw.dev, - sch->schid.ssid, cdev); + dev_id.devno = sch->schib.pmcw.dev; + dev_id.ssid = sch->schid.ssid; + other_cdev = get_disc_ccwdev_by_dev_id(&dev_id, cdev); if (other_cdev) { struct subchannel *other_sch; @@ -652,7 +650,7 @@ ccw_device_do_unreg_rereg(void *data) } /* Update ssd info here. */ css_get_ssd_info(sch); - cdev->private->devno = sch->schib.pmcw.dev; + cdev->private->dev_id.devno = sch->schib.pmcw.dev; } else need_rename = 0; device_remove_files(&cdev->dev); @@ -662,7 +660,7 @@ ccw_device_do_unreg_rereg(void *data) snprintf (cdev->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", sch->schid.ssid, sch->schib.pmcw.dev); PREPARE_WORK(&cdev->private->kick_work, - ccw_device_add_changed, (void *)cdev); + ccw_device_add_changed, cdev); queue_work(ccw_device_work, &cdev->private->kick_work); } @@ -687,7 +685,7 @@ io_subchannel_register(void *data) int ret; unsigned long flags; - cdev = (struct ccw_device *) data; + cdev = data; sch = to_subchannel(cdev->dev.parent); if (klist_node_attached(&cdev->dev.knode_parent)) { @@ -759,7 +757,7 @@ io_subchannel_recog_done(struct ccw_device *cdev) break; sch = to_subchannel(cdev->dev.parent); PREPARE_WORK(&cdev->private->kick_work, - ccw_device_call_sch_unregister, (void *) cdev); + ccw_device_call_sch_unregister, cdev); queue_work(slow_path_wq, &cdev->private->kick_work); if (atomic_dec_and_test(&ccw_device_init_count)) wake_up(&ccw_device_init_wq); @@ -774,7 +772,7 @@ io_subchannel_recog_done(struct ccw_device *cdev) if (!get_device(&cdev->dev)) break; PREPARE_WORK(&cdev->private->kick_work, - io_subchannel_register, (void *) cdev); + io_subchannel_register, cdev); queue_work(slow_path_wq, &cdev->private->kick_work); break; } @@ -792,9 +790,9 @@ io_subchannel_recog(struct ccw_device *cdev, struct subchannel *sch) /* Init private data. */ priv = cdev->private; - priv->devno = sch->schib.pmcw.dev; - priv->ssid = sch->schid.ssid; - priv->sch_no = sch->schid.sch_no; + priv->dev_id.devno = sch->schib.pmcw.dev; + priv->dev_id.ssid = sch->schid.ssid; + priv->schid = sch->schid; priv->state = DEV_STATE_NOT_OPER; INIT_LIST_HEAD(&priv->cmb_list); init_waitqueue_head(&priv->wait_q); @@ -912,7 +910,7 @@ io_subchannel_remove (struct subchannel *sch) */ if (get_device(&cdev->dev)) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_unregister, (void *) cdev); + ccw_device_unregister, cdev); queue_work(ccw_device_work, &cdev->private->kick_work); } return 0; @@ -1055,7 +1053,7 @@ __ccwdev_check_busid(struct device *dev, void *id) { char *bus_id; - bus_id = (char *)id; + bus_id = id; return (strncmp(bus_id, dev->bus_id, BUS_ID_SIZE) == 0); } diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index 00be9a5b4acd..c6140cc97a80 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -21,7 +21,6 @@ enum dev_state { /* states to wait for i/o completion before doing something */ DEV_STATE_CLEAR_VERIFY, DEV_STATE_TIMEOUT_KILL, - DEV_STATE_WAIT4IO, DEV_STATE_QUIESCE, /* special states for devices gone not operational */ DEV_STATE_DISCONNECTED, diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index b67620208f36..fcaf28d7b4eb 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -59,18 +59,6 @@ device_set_disconnected(struct subchannel *sch) cdev->private->state = DEV_STATE_DISCONNECTED; } -void -device_set_waiting(struct subchannel *sch) -{ - struct ccw_device *cdev; - - if (!sch->dev.driver_data) - return; - cdev = sch->dev.driver_data; - ccw_device_set_timeout(cdev, 10*HZ); - cdev->private->state = DEV_STATE_WAIT4IO; -} - /* * Timeout function. It just triggers a DEV_EVENT_TIMEOUT. */ @@ -183,9 +171,9 @@ ccw_device_handle_oper(struct ccw_device *cdev) cdev->id.cu_model != cdev->private->senseid.cu_model || cdev->id.dev_type != cdev->private->senseid.dev_type || cdev->id.dev_model != cdev->private->senseid.dev_model || - cdev->private->devno != sch->schib.pmcw.dev) { + cdev->private->dev_id.devno != sch->schib.pmcw.dev) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_do_unreg_rereg, (void *)cdev); + ccw_device_do_unreg_rereg, cdev); queue_work(ccw_device_work, &cdev->private->kick_work); return 0; } @@ -255,7 +243,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) case DEV_STATE_NOT_OPER: CIO_DEBUG(KERN_WARNING, 2, "SenseID : unknown device %04x on subchannel " - "0.%x.%04x\n", cdev->private->devno, + "0.%x.%04x\n", cdev->private->dev_id.devno, sch->schid.ssid, sch->schid.sch_no); break; case DEV_STATE_OFFLINE: @@ -282,14 +270,15 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) CIO_DEBUG(KERN_INFO, 2, "SenseID : device 0.%x.%04x reports: " "CU Type/Mod = %04X/%02X, Dev Type/Mod = " "%04X/%02X\n", - cdev->private->ssid, cdev->private->devno, + cdev->private->dev_id.ssid, + cdev->private->dev_id.devno, cdev->id.cu_type, cdev->id.cu_model, cdev->id.dev_type, cdev->id.dev_model); break; case DEV_STATE_BOXED: CIO_DEBUG(KERN_WARNING, 2, "SenseID : boxed device %04x on subchannel " - "0.%x.%04x\n", cdev->private->devno, + "0.%x.%04x\n", cdev->private->dev_id.devno, sch->schid.ssid, sch->schid.sch_no); break; } @@ -325,13 +314,13 @@ ccw_device_oper_notify(void *data) struct subchannel *sch; int ret; - cdev = (struct ccw_device *)data; + cdev = data; sch = to_subchannel(cdev->dev.parent); ret = (sch->driver && sch->driver->notify) ? sch->driver->notify(&sch->dev, CIO_OPER) : 0; if (!ret) /* Driver doesn't want device back. */ - ccw_device_do_unreg_rereg((void *)cdev); + ccw_device_do_unreg_rereg(cdev); else { /* Reenable channel measurements, if needed. */ cmf_reenable(cdev); @@ -363,12 +352,12 @@ ccw_device_done(struct ccw_device *cdev, int state) if (state == DEV_STATE_BOXED) CIO_DEBUG(KERN_WARNING, 2, "Boxed device %04x on subchannel %04x\n", - cdev->private->devno, sch->schid.sch_no); + cdev->private->dev_id.devno, sch->schid.sch_no); if (cdev->private->flags.donotify) { cdev->private->flags.donotify = 0; PREPARE_WORK(&cdev->private->kick_work, ccw_device_oper_notify, - (void *)cdev); + cdev); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } wake_up(&cdev->private->wait_q); @@ -412,7 +401,8 @@ static void __ccw_device_get_common_pgid(struct ccw_device *cdev) /* PGID mismatch, can't pathgroup. */ CIO_MSG_EVENT(0, "SNID - pgid mismatch for device " "0.%x.%04x, can't pathgroup\n", - cdev->private->ssid, cdev->private->devno); + cdev->private->dev_id.ssid, + cdev->private->dev_id.devno); cdev->private->options.pgroup = 0; return; } @@ -523,7 +513,7 @@ ccw_device_nopath_notify(void *data) struct subchannel *sch; int ret; - cdev = (struct ccw_device *)data; + cdev = data; sch = to_subchannel(cdev->dev.parent); /* Extra sanity. */ if (sch->lpm) @@ -537,7 +527,7 @@ ccw_device_nopath_notify(void *data) if (get_device(&cdev->dev)) { PREPARE_WORK(&cdev->private->kick_work, ccw_device_call_sch_unregister, - (void *)cdev); + cdev); queue_work(ccw_device_work, &cdev->private->kick_work); } else @@ -592,7 +582,7 @@ ccw_device_verify_done(struct ccw_device *cdev, int err) break; default: PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, (void *)cdev); + ccw_device_nopath_notify, cdev); queue_work(ccw_device_notify_work, &cdev->private->kick_work); ccw_device_done(cdev, DEV_STATE_NOT_OPER); break; @@ -723,7 +713,7 @@ ccw_device_offline_notoper(struct ccw_device *cdev, enum dev_event dev_event) sch = to_subchannel(cdev->dev.parent); if (get_device(&cdev->dev)) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_call_sch_unregister, (void *)cdev); + ccw_device_call_sch_unregister, cdev); queue_work(ccw_device_work, &cdev->private->kick_work); } wake_up(&cdev->private->wait_q); @@ -754,7 +744,7 @@ ccw_device_online_notoper(struct ccw_device *cdev, enum dev_event dev_event) } if (get_device(&cdev->dev)) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_call_sch_unregister, (void *)cdev); + ccw_device_call_sch_unregister, cdev); queue_work(ccw_device_work, &cdev->private->kick_work); } wake_up(&cdev->private->wait_q); @@ -859,7 +849,7 @@ ccw_device_online_timeout(struct ccw_device *cdev, enum dev_event dev_event) sch = to_subchannel(cdev->dev.parent); if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, (void *)cdev); + ccw_device_nopath_notify, cdev); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } else @@ -885,7 +875,8 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event) /* Basic sense hasn't started. Try again. */ ccw_device_do_sense(cdev, irb); else { - printk("Huh? %s(%s): unsolicited interrupt...\n", + printk(KERN_INFO "Huh? %s(%s): unsolicited " + "interrupt...\n", __FUNCTION__, cdev->dev.bus_id); if (cdev->handler) cdev->handler (cdev, 0, irb); @@ -944,10 +935,10 @@ ccw_device_killing_irq(struct ccw_device *cdev, enum dev_event dev_event) cdev->private->state = DEV_STATE_ONLINE; if (cdev->handler) cdev->handler(cdev, cdev->private->intparm, - ERR_PTR(-ETIMEDOUT)); + ERR_PTR(-EIO)); if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, (void *)cdev); + ccw_device_nopath_notify, cdev); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } else if (cdev->private->flags.doverify) /* Start delayed path verification. */ @@ -970,7 +961,7 @@ ccw_device_killing_timeout(struct ccw_device *cdev, enum dev_event dev_event) sch = to_subchannel(cdev->dev.parent); if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, (void *)cdev); + ccw_device_nopath_notify, cdev); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } else @@ -981,51 +972,15 @@ ccw_device_killing_timeout(struct ccw_device *cdev, enum dev_event dev_event) cdev->private->state = DEV_STATE_ONLINE; if (cdev->handler) cdev->handler(cdev, cdev->private->intparm, - ERR_PTR(-ETIMEDOUT)); -} - -static void -ccw_device_wait4io_irq(struct ccw_device *cdev, enum dev_event dev_event) -{ - struct irb *irb; - struct subchannel *sch; - - irb = (struct irb *) __LC_IRB; - /* - * Accumulate status and find out if a basic sense is needed. - * This is fine since we have already adapted the lpm. - */ - ccw_device_accumulate_irb(cdev, irb); - if (cdev->private->flags.dosense) { - if (ccw_device_do_sense(cdev, irb) == 0) { - cdev->private->state = DEV_STATE_W4SENSE; - } - return; - } - - /* Iff device is idle, reset timeout. */ - sch = to_subchannel(cdev->dev.parent); - if (!stsch(sch->schid, &sch->schib)) - if (sch->schib.scsw.actl == 0) - ccw_device_set_timeout(cdev, 0); - /* Call the handler. */ - ccw_device_call_handler(cdev); - if (!sch->lpm) { - PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, (void *)cdev); - queue_work(ccw_device_notify_work, &cdev->private->kick_work); - } else if (cdev->private->flags.doverify) - ccw_device_online_verify(cdev, 0); + ERR_PTR(-EIO)); } -static void -ccw_device_wait4io_timeout(struct ccw_device *cdev, enum dev_event dev_event) +void device_kill_io(struct subchannel *sch) { int ret; - struct subchannel *sch; + struct ccw_device *cdev; - sch = to_subchannel(cdev->dev.parent); - ccw_device_set_timeout(cdev, 0); + cdev = sch->dev.driver_data; ret = ccw_device_cancel_halt_clear(cdev); if (ret == -EBUSY) { ccw_device_set_timeout(cdev, 3*HZ); @@ -1035,7 +990,7 @@ ccw_device_wait4io_timeout(struct ccw_device *cdev, enum dev_event dev_event) if (ret == -ENODEV) { if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, (void *)cdev); + ccw_device_nopath_notify, cdev); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } else @@ -1044,12 +999,12 @@ ccw_device_wait4io_timeout(struct ccw_device *cdev, enum dev_event dev_event) } if (cdev->handler) cdev->handler(cdev, cdev->private->intparm, - ERR_PTR(-ETIMEDOUT)); + ERR_PTR(-EIO)); if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, (void *)cdev); + ccw_device_nopath_notify, cdev); queue_work(ccw_device_notify_work, &cdev->private->kick_work); - } else if (cdev->private->flags.doverify) + } else /* Start delayed path verification. */ ccw_device_online_verify(cdev, 0); } @@ -1286,12 +1241,6 @@ fsm_func_t *dev_jumptable[NR_DEV_STATES][NR_DEV_EVENTS] = { [DEV_EVENT_TIMEOUT] = ccw_device_killing_timeout, [DEV_EVENT_VERIFY] = ccw_device_nop, //FIXME }, - [DEV_STATE_WAIT4IO] = { - [DEV_EVENT_NOTOPER] = ccw_device_online_notoper, - [DEV_EVENT_INTERRUPT] = ccw_device_wait4io_irq, - [DEV_EVENT_TIMEOUT] = ccw_device_wait4io_timeout, - [DEV_EVENT_VERIFY] = ccw_device_delay_verify, - }, [DEV_STATE_QUIESCE] = { [DEV_EVENT_NOTOPER] = ccw_device_quiesce_done, [DEV_EVENT_INTERRUPT] = ccw_device_quiesce_done, diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c index 1398367b5f68..a74785b9e4eb 100644 --- a/drivers/s390/cio/device_id.c +++ b/drivers/s390/cio/device_id.c @@ -251,7 +251,7 @@ ccw_device_check_sense_id(struct ccw_device *cdev) */ CIO_MSG_EVENT(2, "SenseID : device %04x on Subchannel " "0.%x.%04x reports cmd reject\n", - cdev->private->devno, sch->schid.ssid, + cdev->private->dev_id.devno, sch->schid.ssid, sch->schid.sch_no); return -EOPNOTSUPP; } @@ -259,7 +259,8 @@ ccw_device_check_sense_id(struct ccw_device *cdev) CIO_MSG_EVENT(2, "SenseID : UC on dev 0.%x.%04x, " "lpum %02X, cnt %02d, sns :" " %02X%02X%02X%02X %02X%02X%02X%02X ...\n", - cdev->private->ssid, cdev->private->devno, + cdev->private->dev_id.ssid, + cdev->private->dev_id.devno, irb->esw.esw0.sublog.lpum, irb->esw.esw0.erw.scnt, irb->ecw[0], irb->ecw[1], @@ -274,14 +275,15 @@ ccw_device_check_sense_id(struct ccw_device *cdev) CIO_MSG_EVENT(2, "SenseID : path %02X for device %04x " "on subchannel 0.%x.%04x is " "'not operational'\n", sch->orb.lpm, - cdev->private->devno, sch->schid.ssid, - sch->schid.sch_no); + cdev->private->dev_id.devno, + sch->schid.ssid, sch->schid.sch_no); return -EACCES; } /* Hmm, whatever happened, try again. */ CIO_MSG_EVENT(2, "SenseID : start_IO() for device %04x on " "subchannel 0.%x.%04x returns status %02X%02X\n", - cdev->private->devno, sch->schid.ssid, sch->schid.sch_no, + cdev->private->dev_id.devno, sch->schid.ssid, + sch->schid.sch_no, irb->scsw.dstat, irb->scsw.cstat); return -EAGAIN; } @@ -330,7 +332,7 @@ ccw_device_sense_id_irq(struct ccw_device *cdev, enum dev_event dev_event) /* fall through. */ default: /* Sense ID failed. Try asking VM. */ if (MACHINE_IS_VM) { - VM_virtual_device_info (cdev->private->devno, + VM_virtual_device_info (cdev->private->dev_id.devno, &cdev->private->senseid); if (cdev->private->senseid.cu_type != 0xFFFF) { /* Got the device information from VM. */ diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index 84b9b18eabc2..b39c1fa48acd 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -50,7 +50,6 @@ ccw_device_clear(struct ccw_device *cdev, unsigned long intparm) if (cdev->private->state == DEV_STATE_NOT_OPER) return -ENODEV; if (cdev->private->state != DEV_STATE_ONLINE && - cdev->private->state != DEV_STATE_WAIT4IO && cdev->private->state != DEV_STATE_W4SENSE) return -EINVAL; sch = to_subchannel(cdev->dev.parent); @@ -155,7 +154,6 @@ ccw_device_halt(struct ccw_device *cdev, unsigned long intparm) if (cdev->private->state == DEV_STATE_NOT_OPER) return -ENODEV; if (cdev->private->state != DEV_STATE_ONLINE && - cdev->private->state != DEV_STATE_WAIT4IO && cdev->private->state != DEV_STATE_W4SENSE) return -EINVAL; sch = to_subchannel(cdev->dev.parent); @@ -592,13 +590,13 @@ ccw_device_get_chp_desc(struct ccw_device *cdev, int chp_no) int _ccw_device_get_subchannel_number(struct ccw_device *cdev) { - return cdev->private->sch_no; + return cdev->private->schid.sch_no; } int _ccw_device_get_device_number(struct ccw_device *cdev) { - return cdev->private->devno; + return cdev->private->dev_id.devno; } diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index 84917b39de45..2975ce888c19 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -79,7 +79,8 @@ __ccw_device_sense_pgid_start(struct ccw_device *cdev) CIO_MSG_EVENT(2, "SNID - Device %04x on Subchannel " "0.%x.%04x, lpm %02X, became 'not " "operational'\n", - cdev->private->devno, sch->schid.ssid, + cdev->private->dev_id.devno, + sch->schid.ssid, sch->schid.sch_no, cdev->private->imask); } @@ -135,7 +136,8 @@ __ccw_device_check_sense_pgid(struct ccw_device *cdev) CIO_MSG_EVENT(2, "SNID - device 0.%x.%04x, unit check, " "lpum %02X, cnt %02d, sns : " "%02X%02X%02X%02X %02X%02X%02X%02X ...\n", - cdev->private->ssid, cdev->private->devno, + cdev->private->dev_id.ssid, + cdev->private->dev_id.devno, irb->esw.esw0.sublog.lpum, irb->esw.esw0.erw.scnt, irb->ecw[0], irb->ecw[1], @@ -147,7 +149,7 @@ __ccw_device_check_sense_pgid(struct ccw_device *cdev) if (irb->scsw.cc == 3) { CIO_MSG_EVENT(2, "SNID - Device %04x on Subchannel 0.%x.%04x," " lpm %02X, became 'not operational'\n", - cdev->private->devno, sch->schid.ssid, + cdev->private->dev_id.devno, sch->schid.ssid, sch->schid.sch_no, sch->orb.lpm); return -EACCES; } @@ -155,7 +157,7 @@ __ccw_device_check_sense_pgid(struct ccw_device *cdev) if (cdev->private->pgid[i].inf.ps.state2 == SNID_STATE2_RESVD_ELSE) { CIO_MSG_EVENT(2, "SNID - Device %04x on Subchannel 0.%x.%04x " "is reserved by someone else\n", - cdev->private->devno, sch->schid.ssid, + cdev->private->dev_id.devno, sch->schid.ssid, sch->schid.sch_no); return -EUSERS; } @@ -261,7 +263,7 @@ __ccw_device_do_pgid(struct ccw_device *cdev, __u8 func) /* PGID command failed on this path. */ CIO_MSG_EVENT(2, "SPID - Device %04x on Subchannel " "0.%x.%04x, lpm %02X, became 'not operational'\n", - cdev->private->devno, sch->schid.ssid, + cdev->private->dev_id.devno, sch->schid.ssid, sch->schid.sch_no, cdev->private->imask); return ret; } @@ -301,7 +303,7 @@ static int __ccw_device_do_nop(struct ccw_device *cdev) /* nop command failed on this path. */ CIO_MSG_EVENT(2, "NOP - Device %04x on Subchannel " "0.%x.%04x, lpm %02X, became 'not operational'\n", - cdev->private->devno, sch->schid.ssid, |