diff options
| -rw-r--r-- | arch/s390/include/asm/cio.h | 2 | ||||
| -rw-r--r-- | drivers/s390/block/dasd.c | 1 | ||||
| -rw-r--r-- | drivers/s390/cio/device.c | 4 | ||||
| -rw-r--r-- | drivers/s390/cio/device_fsm.c | 29 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_ccw.c | 5 |
5 files changed, 28 insertions, 13 deletions
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 6dccb071aec..619bf94b11f 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -456,6 +456,8 @@ struct ciw { #define CIO_OPER 0x0004 /* Sick revalidation of device. */ #define CIO_REVALIDATE 0x0008 +/* Device did not respond in time. */ +#define CIO_BOXED 0x0010 /** * struct ccw_dev_id - unique identifier for ccw devices diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 2fd64e5a9ab..0570794ccf1 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -2363,6 +2363,7 @@ int dasd_generic_notify(struct ccw_device *cdev, int event) ret = 0; switch (event) { case CIO_GONE: + case CIO_BOXED: case CIO_NO_PATH: /* First of all call extended error reporting. */ dasd_eer_write(device, NULL, DASD_EER_NOPATH); diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index cdbf664ed44..868f8c6b053 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1035,6 +1035,8 @@ io_subchannel_recog_done(struct ccw_device *cdev) return; } switch (cdev->private->state) { + case DEV_STATE_BOXED: + /* Device did not respond in time. */ case DEV_STATE_NOT_OPER: cdev->private->flags.recog_done = 1; /* Remove device found not operational. */ @@ -1044,8 +1046,6 @@ io_subchannel_recog_done(struct ccw_device *cdev) if (atomic_dec_and_test(&ccw_device_init_count)) wake_up(&ccw_device_init_wq); break; - case DEV_STATE_BOXED: - /* Device did not respond in time. */ case DEV_STATE_OFFLINE: /* * We can't register the device in interrupt context so diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index ccd72f95765..e4604926156 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -256,14 +256,12 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) old_lpm = 0; if (sch->lpm != old_lpm) __recover_lost_chpids(sch, old_lpm); - if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID) { - if (state == DEV_STATE_NOT_OPER) { - cdev->private->flags.recog_done = 1; - cdev->private->state = DEV_STATE_DISCONNECTED; - wake_up(&cdev->private->wait_q); - return; - } - /* Boxed devices don't need extra treatment. */ + if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID && + (state == DEV_STATE_NOT_OPER || state == DEV_STATE_BOXED)) { + cdev->private->flags.recog_done = 1; + cdev->private->state = DEV_STATE_DISCONNECTED; + wake_up(&cdev->private->wait_q); + return; } notify = 0; same_dev = 0; /* Keep the compiler quiet... */ @@ -275,7 +273,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) sch->schid.ssid, sch->schid.sch_no); break; case DEV_STATE_OFFLINE: - if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID) { + if (cdev->online) { same_dev = ccw_device_handle_oper(cdev); notify = 1; } @@ -308,6 +306,12 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) " subchannel 0.%x.%04x\n", cdev->private->dev_id.devno, sch->schid.ssid, sch->schid.sch_no); + if (cdev->id.cu_type != 0) { /* device was recognized before */ + cdev->private->flags.recog_done = 1; + cdev->private->state = DEV_STATE_BOXED; + wake_up(&cdev->private->wait_q); + return; + } break; } cdev->private->state = state; @@ -390,10 +394,13 @@ ccw_device_done(struct ccw_device *cdev, int state) cdev->private->state = state; - - if (state == DEV_STATE_BOXED) + if (state == DEV_STATE_BOXED) { CIO_MSG_EVENT(0, "Boxed device %04x on subchannel %04x\n", cdev->private->dev_id.devno, sch->schid.sch_no); + if (cdev->online && !ccw_device_notify(cdev, CIO_BOXED)) + ccw_device_schedule_sch_unregister(cdev); + cdev->private->flags.donotify = 0; + } if (cdev->private->flags.donotify) { cdev->private->flags.donotify = 0; diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index 1fe1e2eda51..cfb0dcb6e3f 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -176,6 +176,11 @@ static int zfcp_ccw_notify(struct ccw_device *ccw_device, int event) zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, "ccnoti4", NULL); break; + case CIO_BOXED: + dev_warn(&adapter->ccw_device->dev, + "The ccw device did not respond in time.\n"); + zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti5", NULL); + break; } return 1; } |