diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/char/tape_3590.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 9f244c591eeb..da25f8e24152 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -708,16 +708,22 @@ static void tape_3590_med_state_set(struct tape_device *device, c_info = &TAPE_3590_CRYPT_INFO(device); - if (sense->masst == MSENSE_UNASSOCIATED) { + DBF_EVENT(6, "medium state: %x:%x\n", sense->macst, sense->masst); + switch (sense->macst) { + case 0x04: + case 0x05: + case 0x06: tape_med_state_set(device, MS_UNLOADED); TAPE_3590_CRYPT_INFO(device).medium_status = 0; return; - } - if (sense->masst != MSENSE_ASSOCIATED_MOUNT) { - PRINT_ERR("Unknown medium state: %x\n", sense->masst); + case 0x08: + case 0x09: + tape_med_state_set(device, MS_LOADED); + break; + default: + tape_med_state_set(device, MS_UNKNOWN); return; } - tape_med_state_set(device, MS_LOADED); c_info->medium_status |= TAPE390_MEDIUM_LOADED_MASK; if (sense->flags & MSENSE_CRYPT_MASK) { PRINT_INFO("Medium is encrypted (%04x)\n", sense->flags); @@ -835,15 +841,17 @@ tape_3590_unsolicited_irq(struct tape_device *device, struct irb *irb) /* Probably result of halt ssch */ return TAPE_IO_PENDING; else if (irb->scsw.dstat == 0x85) - /* Device Ready -> check medium state */ - tape_3590_schedule_work(device, TO_MSEN); - else if (irb->scsw.dstat & DEV_STAT_ATTENTION) + /* Device Ready */ + DBF_EVENT(3, "unsol.irq! tape ready: %08x\n", device->cdev_id); + else if (irb->scsw.dstat & DEV_STAT_ATTENTION) { tape_3590_schedule_work(device, TO_READ_ATTMSG); - else { + } else { DBF_EVENT(3, "unsol.irq! dev end: %08x\n", device->cdev_id); PRINT_WARN("Unsolicited IRQ (Device End) caught.\n"); tape_dump_sense(device, NULL, irb); } + /* check medium state */ + tape_3590_schedule_work(device, TO_MSEN); return TAPE_IO_SUCCESS; } |