1 files changed, 31 insertions, 24 deletions

diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h
index 45480a2bc4c0..66c882e52f32 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
  */
 
-static 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 +33,13 @@ static 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 msch(int irq, volatile struct schib *addr)
+static inline int msch(struct subchannel_id schid,
+                           volatile struct schib *addr)
 {
         int ccode;
 
@@ -46,12 +49,13 @@ static 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;
 }
 
-static 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;
 
@@ -74,12 +78,13 @@ static 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;
 }
 
-static inline int tsch(int irq, volatile struct irb *addr)
+static inline int tsch(struct subchannel_id schid,
+                           volatile struct irb *addr)
 {
         int ccode;
 
@@ -89,7 +94,7 @@ static 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;
 }
@@ -103,12 +108,13 @@ static 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;
 }
 
-static 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 +124,12 @@ static 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;
 }
 
-static inline int rsch(int irq)
+static inline int rsch(struct subchannel_id schid)
 {
         int ccode;
 
@@ -133,12 +139,12 @@ static inline int rsch(int irq)
                 "   ipm   %0\n"
                 "   srl   %0,28"
                 : "=d" (ccode)
-                : "d" (irq | 0x10000L)
+                : "d" (schid)
                 : "cc", "1" );
         return ccode;
 }
 
-static inline int csch(int irq)
+static inline int csch(struct subchannel_id schid)
 {
         int ccode;
 
@@ -148,12 +154,12 @@ static inline int csch(int irq)
                 "   ipm   %0\n"
                 "   srl   %0,28"
                 : "=d" (ccode)
-                : "d" (irq | 0x10000L)
+                : "d" (schid)
                 : "cc", "1" );
         return ccode;
 }
 
-static inline int hsch(int irq)
+static inline int hsch(struct subchannel_id schid)
 {
         int ccode;
 
@@ -163,12 +169,12 @@ static inline int hsch(int irq)
                 "   ipm   %0\n"
                 "   srl   %0,28"
                 : "=d" (ccode)
-                : "d" (irq | 0x10000L)
+                : "d" (schid)
                 : "cc", "1" );
         return ccode;
 }
 
-static inline int xsch(int irq)
+static inline int xsch(struct subchannel_id schid)
 {
         int ccode;
 
@@ -178,21 +184,22 @@ static inline int xsch(int irq)
                 "   ipm   %0\n"
                 "   srl   %0,28"
                 : "=d" (ccode)
-                : "d" (irq | 0x10000L)
+                : "d" (schid)
                 : "cc", "1" );
         return ccode;
 }
 
 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;