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| author |   Cornelia Huck <cornelia.huck@de.ibm.com> | 2008-07-14 09:58:45 +0200 |
|---|---|---|
| committer |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-07-14 10:02:05 +0200 |
| commit | c820de39bd083222f5be2563181c87493e436f7c (patch) | |
| tree | 4861db1aeca00d55d76b5844ad209d81a2795105 /drivers/s390/cio/chp.h | |
| parent | [S390] cio: Introduce modalias for css bus. (diff) | |
| download | linux-dev-c820de39bd083222f5be2563181c87493e436f7c.tar.xz linux-dev-c820de39bd083222f5be2563181c87493e436f7c.zip | |
[S390] cio: Rework css driver.
Rework the css driver methods to provide sane callbacks for
subchannels of all types.
As a bonus, this cleans up and simplyfies the machine check
handling for I/O subchannels a lot.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/chp.h')
| -rw-r--r-- | drivers/s390/cio/chp.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h index 59c2fc069d9e..f03b0d2cdc09 100644 --- a/drivers/s390/cio/chp.h +++ b/drivers/s390/cio/chp.h @@ -19,6 +19,17 @@ #define CHP_STATUS_RESERVED 2 #define CHP_STATUS_NOT_RECOGNIZED 3 +#define CHP_ONLINE 0 +#define CHP_OFFLINE 1 +#define CHP_VARY_ON 2 +#define CHP_VARY_OFF 3 + +struct res_acc_data { + struct chp_id chpid; + u32 fla_mask; + u16 fla; +}; + static inline int chp_test_bit(u8 *bitmap, int num) { int byte = num >> 3; @@ -50,5 +61,5 @@ int chp_new(struct chp_id chpid); void chp_cfg_schedule(struct chp_id chpid, int configure); void chp_cfg_cancel_deconfigure(struct chp_id chpid); int chp_info_get_status(struct chp_id chpid); - +int chp_ssd_get_mask(struct chsc_ssd_info *, struct res_acc_data *); #endif /* S390_CHP_H */ |