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| author | Stefan Haberland <stefan.haberland@de.ibm.com> | 2014-10-01 14:39:47 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-10-09 09:13:54 +0200 |
| commit | 5db8440c36a3308649b99f65b68195394dd7fed4 (patch) | |
| tree | d45026f110bcd99a6893556ade5dcafc740730d2 /drivers/s390/block/dasd_int.h | |
| parent | s390/dasd: fix infinite loop during format (diff) | |
| download | linux-5db8440c36a3308649b99f65b68195394dd7fed4.tar.xz linux-5db8440c36a3308649b99f65b68195394dd7fed4.zip | |
s390/dasd: add support for control unit initiated reconfiguration
Add support for Control Unit Initiated Reconfiguration (CUIR) to
Linux, a storage server interface to reconcile concurrent hardware
changes between storage and host.
Reviewed-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd_int.h')
| -rw-r--r-- | drivers/s390/block/dasd_int.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index c20170166909..8b5d4100abf7 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -357,6 +357,7 @@ struct dasd_discipline { int (*get_uid) (struct dasd_device *, struct dasd_uid *); void (*kick_validate) (struct dasd_device *); + int (*check_attention)(struct dasd_device *, __u8); }; extern struct dasd_discipline *dasd_diag_discipline_pointer; @@ -382,6 +383,10 @@ struct dasd_path { __u8 tbvpm; __u8 ppm; __u8 npm; + /* paths that are not used because of a special condition */ + __u8 cablepm; /* miss-cabled */ + __u8 hpfpm; /* the HPF requirements of the other paths are not met */ + __u8 cuirpm; /* CUIR varied offline */ }; struct dasd_profile_info { @@ -501,7 +506,10 @@ struct dasd_block { struct dasd_profile profile; }; - +struct dasd_attention_data { + struct dasd_device *device; + __u8 lpum; +}; /* reasons why device (ccw_device_start) was stopped */ #define DASD_STOPPED_NOT_ACC 1 /* not accessible */ |