X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fs390%2Fcio%2Fioasm.h;h=95a9462f9a911ccc74faea8b9a39235f4b6cebc3;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=c874607d9a806ec9fccbe908a5569198c0351ae3;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h index c874607d9..95a9462f9 100644 --- a/drivers/s390/cio/ioasm.h +++ b/drivers/s390/cio/ioasm.h @@ -1,12 +1,13 @@ #ifndef S390_CIO_IOASM_H #define S390_CIO_IOASM_H +#include "schid.h" + /* * TPI info structure */ struct tpi_info { - __u32 reserved1 : 16; /* reserved 0x00000001 */ - __u32 irq : 16; /* aka. subchannel number */ + struct subchannel_id schid; __u32 intparm; /* interruption parameter */ __u32 adapter_IO : 1; __u32 reserved2 : 1; @@ -21,7 +22,8 @@ struct tpi_info { * Some S390 specific IO instructions as inline */ -extern __inline__ int stsch(int irq, volatile struct schib *addr) +static inline int stsch(struct subchannel_id schid, + volatile struct schib *addr) { int ccode; @@ -31,12 +33,42 @@ extern __inline__ int stsch(int irq, volatile struct schib *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000), "a" (addr) + : "d" (schid), "a" (addr), "m" (*addr) + : "cc", "1" ); + return ccode; +} + +static inline int stsch_err(struct subchannel_id schid, + volatile struct schib *addr) +{ + int ccode; + + __asm__ __volatile__( + " lhi %0,%3\n" + " lr 1,%1\n" + " stsch 0(%2)\n" + "0: ipm %0\n" + " srl %0,28\n" + "1:\n" +#ifdef CONFIG_64BIT + ".section __ex_table,\"a\"\n" + " .align 8\n" + " .quad 0b,1b\n" + ".previous" +#else + ".section __ex_table,\"a\"\n" + " .align 4\n" + " .long 0b,1b\n" + ".previous" +#endif + : "=&d" (ccode) + : "d" (schid), "a" (addr), "K" (-EIO), "m" (*addr) : "cc", "1" ); return ccode; } -extern __inline__ int msch(int irq, volatile struct schib *addr) +static inline int msch(struct subchannel_id schid, + volatile struct schib *addr) { int ccode; @@ -46,12 +78,13 @@ extern __inline__ int msch(int irq, volatile struct schib *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L), "a" (addr) + : "d" (schid), "a" (addr), "m" (*addr) : "cc", "1" ); return ccode; } -extern __inline__ int msch_err(int irq, volatile struct schib *addr) +static inline int msch_err(struct subchannel_id schid, + volatile struct schib *addr) { int ccode; @@ -62,7 +95,7 @@ extern __inline__ int msch_err(int irq, volatile struct schib *addr) "0: ipm %0\n" " srl %0,28\n" "1:\n" -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT ".section __ex_table,\"a\"\n" " .align 8\n" " .quad 0b,1b\n" @@ -74,12 +107,13 @@ extern __inline__ int msch_err(int irq, volatile struct schib *addr) ".previous" #endif : "=&d" (ccode) - : "d" (irq | 0x10000L), "a" (addr), "K" (-EIO) + : "d" (schid), "a" (addr), "K" (-EIO), "m" (*addr) : "cc", "1" ); return ccode; } -extern __inline__ int tsch(int irq, volatile struct irb *addr) +static inline int tsch(struct subchannel_id schid, + volatile struct irb *addr) { int ccode; @@ -89,12 +123,12 @@ extern __inline__ int tsch(int irq, volatile struct irb *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L), "a" (addr) + : "d" (schid), "a" (addr), "m" (*addr) : "cc", "1" ); return ccode; } -extern __inline__ int tpi( volatile struct tpi_info *addr) +static inline int tpi( volatile struct tpi_info *addr) { int ccode; @@ -103,12 +137,13 @@ extern __inline__ int tpi( volatile struct tpi_info *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "a" (addr) + : "a" (addr), "m" (*addr) : "cc", "1" ); return ccode; } -extern __inline__ int ssch(int irq, volatile struct orb *addr) +static inline int ssch(struct subchannel_id schid, + volatile struct orb *addr) { int ccode; @@ -118,12 +153,12 @@ extern __inline__ int ssch(int irq, volatile struct orb *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L), "a" (addr) + : "d" (schid), "a" (addr), "m" (*addr) : "cc", "1" ); return ccode; } -extern __inline__ int rsch(int irq) +static inline int rsch(struct subchannel_id schid) { int ccode; @@ -133,12 +168,12 @@ extern __inline__ int rsch(int irq) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L) + : "d" (schid) : "cc", "1" ); return ccode; } -extern __inline__ int csch(int irq) +static inline int csch(struct subchannel_id schid) { int ccode; @@ -148,12 +183,12 @@ extern __inline__ int csch(int irq) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L) + : "d" (schid) : "cc", "1" ); return ccode; } -extern __inline__ int hsch(int irq) +static inline int hsch(struct subchannel_id schid) { int ccode; @@ -163,12 +198,12 @@ extern __inline__ int hsch(int irq) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L) + : "d" (schid) : "cc", "1" ); return ccode; } -extern __inline__ int xsch(int irq) +static inline int xsch(struct subchannel_id schid) { int ccode; @@ -178,27 +213,28 @@ extern __inline__ int xsch(int irq) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L) + : "d" (schid) : "cc", "1" ); return ccode; } -extern __inline__ int chsc(void *chsc_area) +static inline int chsc(void *chsc_area) { + typedef struct { char _[4096]; } addr_type; int cc; __asm__ __volatile__ ( - ".insn rre,0xb25f0000,%1,0 \n\t" + ".insn rre,0xb25f0000,%2,0 \n\t" "ipm %0 \n\t" "srl %0,28 \n\t" - : "=d" (cc) - : "d" (chsc_area) + : "=d" (cc), "=m" (*(addr_type *) chsc_area) + : "d" (chsc_area), "m" (*(addr_type *) chsc_area) : "cc" ); return cc; } -extern __inline__ int iac( void) +static inline int iac( void) { int ccode; @@ -210,7 +246,7 @@ extern __inline__ int iac( void) return ccode; } -extern __inline__ int rchp(int chpid) +static inline int rchp(int chpid) { int ccode;