| * Some S390 specific IO instructions |
| int stsch(struct subchannel_id schid, struct schib *addr); |
| int msch(struct subchannel_id schid, struct schib *addr); |
| int tsch(struct subchannel_id schid, struct irb *addr); |
| int ssch(struct subchannel_id schid, union orb *addr); |
| int csch(struct subchannel_id schid); |
| int tpi(struct tpi_info *addr); |
| int chsc(void *chsc_area); |
| int rchp(struct chp_id chpid); |
| int rsch(struct subchannel_id schid); |
| int hsch(struct subchannel_id schid); |
| int xsch(struct subchannel_id schid); |
| int stcrw(struct crw *crw); |