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| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2008-07-14 09:58:46 +0200 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-07-14 10:02:06 +0200 |
| commit | c11561897ab57a3c11e0a284ba17795d580589ab (patch) | |
| tree | 53224c4e8062a85b1794a3cabe81a86317538dfa /drivers/s390/s390mach.h | |
| parent | [S390] cio: Rework css driver. (diff) | |
| download | linux-c11561897ab57a3c11e0a284ba17795d580589ab.tar.xz linux-c11561897ab57a3c11e0a284ba17795d580589ab.zip | |
[S390] cio: Cleanup crw interface.
Eliminate the need for the machine check handler to call into
the common I/O layer directly by introducing an interface to
register handlers for crws per rsc.
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 '')
| -rw-r--r-- | drivers/s390/s390mach.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/s390/s390mach.h b/drivers/s390/s390mach.h index ca681f9b67fc..f11e574076d8 100644 --- a/drivers/s390/s390mach.h +++ b/drivers/s390/s390mach.h @@ -72,6 +72,13 @@ struct crw { __u32 rsid : 16; /* reporting-source ID */ } __attribute__ ((packed)); +typedef void (*crw_handler_t)(struct crw *, struct crw *, int); + +extern int s390_register_crw_handler(int rsc, crw_handler_t handler); +extern void s390_unregister_crw_handler(int rsc); + +#define NR_RSCS 16 + #define CRW_RSC_MONITOR 0x2 /* monitoring facility */ #define CRW_RSC_SCH 0x3 /* subchannel */ #define CRW_RSC_CPATH 0x4 /* channel path */ |