1 #ifndef _ASM_S390_ISC_H 2 #define _ASM_S390_ISC_H 3 4 #include <linux/types.h> 5 6 /* 7 * I/O interruption subclasses used by drivers. 8 * Please add all used iscs here so that it is possible to distribute 9 * isc usage between drivers. 10 * Reminder: 0 is highest priority, 7 lowest. 11 */ 12 #define MAX_ISC 7 13 14 /* Regular I/O interrupts. */ 15 #define IO_SCH_ISC 3 /* regular I/O subchannels */ 16 #define CONSOLE_ISC 1 /* console I/O subchannel */ 17 #define CHSC_SCH_ISC 7 /* CHSC subchannels */ 18 /* Adapter interrupts. */ 19 #define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */ 20 21 /* Functions for registration of I/O interruption subclasses */ 22 void isc_register(unsigned int isc); 23 void isc_unregister(unsigned int isc); 24 25 #endif /* _ASM_S390_ISC_H */ 26