aboutsummaryrefslogtreecommitdiff
path: root/include/asm-s390/isc.h
diff options
context:
space:
mode:
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 15:44:51 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 15:44:51 +1000
commit43d2548bb2ef7e6d753f91468a746784041e522d (patch)
tree77d13fcd48fd998393abb825ec36e2b732684a73 /include/asm-s390/isc.h
parent585583d95c5660973bc0cf64add517b040acd8a4 (diff)
parent85082fd7cbe3173198aac0eb5e85ab1edcc6352c (diff)
Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build
Manual fixup of: arch/powerpc/Kconfig
Diffstat (limited to 'include/asm-s390/isc.h')
-rw-r--r--include/asm-s390/isc.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-s390/isc.h b/include/asm-s390/isc.h
new file mode 100644
index 00000000000..34bb8916db4
--- /dev/null
+++ b/include/asm-s390/isc.h
@@ -0,0 +1,25 @@
+#ifndef _ASM_S390_ISC_H
+#define _ASM_S390_ISC_H
+
+#include <linux/types.h>
+
+/*
+ * I/O interruption subclasses used by drivers.
+ * Please add all used iscs here so that it is possible to distribute
+ * isc usage between drivers.
+ * Reminder: 0 is highest priority, 7 lowest.
+ */
+#define MAX_ISC 7
+
+/* Regular I/O interrupts. */
+#define IO_SCH_ISC 3 /* regular I/O subchannels */
+#define CONSOLE_ISC 1 /* console I/O subchannel */
+#define CHSC_SCH_ISC 7 /* CHSC subchannels */
+/* Adapter interrupts. */
+#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */
+
+/* Functions for registration of I/O interruption subclasses */
+void isc_register(unsigned int isc);
+void isc_unregister(unsigned int isc);
+
+#endif /* _ASM_S390_ISC_H */