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Diffstat (limited to 'drivers/s390/s390mach.h')
-rw-r--r--drivers/s390/s390mach.h7
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 */