1 #ifndef S390_CIO_IOASM_H
2 #define S390_CIO_IOASM_H
11 struct subchannel_id schid;
12 __u32 intparm; /* interruption parameter */
19 } __attribute__ ((packed));
23 * Some S390 specific IO instructions as inline
26 static inline int stsch(struct subchannel_id schid, struct schib *addr)
28 register struct subchannel_id reg1 asm ("1") = schid;
35 : "=d" (ccode), "=m" (*addr)
36 : "d" (reg1), "a" (addr)
41 static inline int stsch_err(struct subchannel_id schid, struct schib *addr)
43 register struct subchannel_id reg1 asm ("1") = schid;
52 : "+d" (ccode), "=m" (*addr)
53 : "d" (reg1), "a" (addr)
58 static inline int msch(struct subchannel_id schid, struct schib *addr)
60 register struct subchannel_id reg1 asm ("1") = schid;
68 : "d" (reg1), "a" (addr), "m" (*addr)
73 static inline int msch_err(struct subchannel_id schid, struct schib *addr)
75 register struct subchannel_id reg1 asm ("1") = schid;
85 : "d" (reg1), "a" (addr), "m" (*addr)
90 static inline int tsch(struct subchannel_id schid, struct irb *addr)
92 register struct subchannel_id reg1 asm ("1") = schid;
99 : "=d" (ccode), "=m" (*addr)
100 : "d" (reg1), "a" (addr)
105 static inline int tpi(struct tpi_info *addr)
113 : "=d" (ccode), "=m" (*addr)
119 static inline int chsc(void *chsc_area)
121 typedef struct { char _[4096]; } addr_type;
125 " .insn rre,0xb25f0000,%2,0\n"
128 : "=d" (cc), "=m" (*(addr_type *) chsc_area)
129 : "d" (chsc_area), "m" (*(addr_type *) chsc_area)
134 static inline int rchp(struct chp_id chpid)
136 register struct chp_id reg1 asm ("1") = chpid;
144 : "=d" (ccode) : "d" (reg1) : "cc");