Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Peter Oberparleiter | 451 | 65.84% | 2 | 40.00% |
Heiko Carstens | 228 | 33.28% | 1 | 20.00% |
Cornelia Huck | 5 | 0.73% | 1 | 20.00% |
Greg Kroah-Hartman | 1 | 0.15% | 1 | 20.00% |
Total | 685 | 5 |
// SPDX-License-Identifier: GPL-2.0 /* * Channel subsystem I/O instructions. */ #include <linux/export.h> #include <asm/chpid.h> #include <asm/schid.h> #include <asm/crw.h> #include "ioasm.h" #include "orb.h" #include "cio.h" static inline int __stsch(struct subchannel_id schid, struct schib *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode = -EIO; asm volatile( " stsch 0(%3)\n" "0: ipm %0\n" " srl %0,28\n" "1:\n" EX_TABLE(0b, 1b) : "+d" (ccode), "=m" (*addr) : "d" (reg1), "a" (addr) : "cc"); return ccode; } int stsch(struct subchannel_id schid, struct schib *addr) { int ccode; ccode = __stsch(schid, addr); trace_s390_cio_stsch(schid, addr, ccode); return ccode; } EXPORT_SYMBOL(stsch); static inline int __msch(struct subchannel_id schid, struct schib *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode = -EIO; asm volatile( " msch 0(%2)\n" "0: ipm %0\n" " srl %0,28\n" "1:\n" EX_TABLE(0b, 1b) : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc"); return ccode; } int msch(struct subchannel_id schid, struct schib *addr) { int ccode; ccode = __msch(schid, addr); trace_s390_cio_msch(schid, addr, ccode); return ccode; } static inline int __tsch(struct subchannel_id schid, struct irb *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode; asm volatile( " tsch 0(%3)\n" " ipm %0\n" " srl %0,28" : "=d" (ccode), "=m" (*addr) : "d" (reg1), "a" (addr) : "cc"); return ccode; } int tsch(struct subchannel_id schid, struct irb *addr) { int ccode; ccode = __tsch(schid, addr); trace_s390_cio_tsch(schid, addr, ccode); return ccode; } static inline int __ssch(struct subchannel_id schid, union orb *addr) { register struct subchannel_id reg1 asm("1") = schid; int ccode = -EIO; asm volatile( " ssch 0(%2)\n" "0: ipm %0\n" " srl %0,28\n" "1:\n" EX_TABLE(0b, 1b) : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc", "memory"); return ccode; } int ssch(struct subchannel_id schid, union orb *addr) { int ccode; ccode = __ssch(schid, addr); trace_s390_cio_ssch(schid, addr, ccode); return ccode; } EXPORT_SYMBOL(ssch); static inline int __csch(struct subchannel_id schid) { register struct subchannel_id reg1 asm("1") = schid; int ccode; asm volatile( " csch\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (reg1) : "cc"); return ccode; } int csch(struct subchannel_id schid) { int ccode; ccode = __csch(schid); trace_s390_cio_csch(schid, ccode); return ccode; } EXPORT_SYMBOL(csch); int tpi(struct tpi_info *addr) { int ccode; asm volatile( " tpi 0(%2)\n" " ipm %0\n" " srl %0,28" : "=d" (ccode), "=m" (*addr) : "a" (addr) : "cc"); trace_s390_cio_tpi(addr, ccode); return ccode; } int chsc(void *chsc_area) { typedef struct { char _[4096]; } addr_type; int cc = -EIO; asm volatile( " .insn rre,0xb25f0000,%2,0\n" "0: ipm %0\n" " srl %0,28\n" "1:\n" EX_TABLE(0b, 1b) : "+d" (cc), "=m" (*(addr_type *) chsc_area) : "d" (chsc_area), "m" (*(addr_type *) chsc_area) : "cc"); trace_s390_cio_chsc(chsc_area, cc); return cc; } EXPORT_SYMBOL(chsc); static inline int __rsch(struct subchannel_id schid) { register struct subchannel_id reg1 asm("1") = schid; int ccode; asm volatile( " rsch\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (reg1) : "cc", "memory"); return ccode; } int rsch(struct subchannel_id schid) { int ccode; ccode = __rsch(schid); trace_s390_cio_rsch(schid, ccode); return ccode; } static inline int __hsch(struct subchannel_id schid) { register struct subchannel_id reg1 asm("1") = schid; int ccode; asm volatile( " hsch\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (reg1) : "cc"); return ccode; } int hsch(struct subchannel_id schid) { int ccode; ccode = __hsch(schid); trace_s390_cio_hsch(schid, ccode); return ccode; } EXPORT_SYMBOL(hsch); static inline int __xsch(struct subchannel_id schid) { register struct subchannel_id reg1 asm("1") = schid; int ccode; asm volatile( " xsch\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (reg1) : "cc"); return ccode; } int xsch(struct subchannel_id schid) { int ccode; ccode = __xsch(schid); trace_s390_cio_xsch(schid, ccode); return ccode; } int stcrw(struct crw *crw) { int ccode; asm volatile( " stcrw 0(%2)\n" " ipm %0\n" " srl %0,28\n" : "=d" (ccode), "=m" (*crw) : "a" (crw) : "cc"); trace_s390_cio_stcrw(crw, ccode); return ccode; }
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