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,
27 volatile struct schib *addr)
29 register struct subchannel_id reg1 asm ("1") = schid;
36 : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
40 static inline int stsch_err(struct subchannel_id schid,
41 volatile struct schib *addr)
43 register struct subchannel_id reg1 asm ("1") = schid;
52 : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
56 static inline int msch(struct subchannel_id schid,
57 volatile struct schib *addr)
59 register struct subchannel_id reg1 asm ("1") = schid;
66 : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
70 static inline int msch_err(struct subchannel_id schid,
71 volatile struct schib *addr)
73 register struct subchannel_id reg1 asm ("1") = schid;
82 : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
86 static inline int tsch(struct subchannel_id schid,
87 volatile struct irb *addr)
89 register struct subchannel_id reg1 asm ("1") = schid;
96 : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
100 static inline int tpi( volatile struct tpi_info *addr)
108 : "=d" (ccode) : "a" (addr), "m" (*addr) : "cc");
112 static inline int chsc(void *chsc_area)
114 typedef struct { char _[4096]; } addr_type;
118 " .insn rre,0xb25f0000,%2,0\n"
121 : "=d" (cc), "=m" (*(addr_type *) chsc_area)
122 : "d" (chsc_area), "m" (*(addr_type *) chsc_area)
127 static inline int rchp(struct chp_id chpid)
129 register struct chp_id reg1 asm ("1") = chpid;
137 : "=d" (ccode) : "d" (reg1) : "cc");