9 files changed, 126 insertions, 116 deletions

diff --git a/include/asm-s390/atomic.h b/include/asm-s390/atomic.h
index b3bd4f679f72..d82aedf616fe 100644
--- a/include/asm-s390/atomic.h
+++ b/include/asm-s390/atomic.h
@@ -5,7 +5,7 @@
  *  include/asm-s390/atomic.h
  *
  *  S390 version
- *    Copyright (C) 1999-2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) 1999-2005 IBM Deutschland Entwicklung GmbH, IBM Corporation
  *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
  *               Denis Joseph Barrow,
  *               Arnd Bergmann (arndb@de.ibm.com)
@@ -45,59 +45,57 @@ typedef struct {
 #define atomic_read(v)          ((v)->counter)
 #define atomic_set(v,i)         (((v)->counter) = (i))
 
-static __inline__ void atomic_add(int i, atomic_t * v)
-{
-               __CS_LOOP(v, i, "ar");
-}
 static __inline__ int atomic_add_return(int i, atomic_t * v)
 {
         return __CS_LOOP(v, i, "ar");
 }
-static __inline__ int atomic_add_negative(int i, atomic_t * v)
-{
-        return __CS_LOOP(v, i, "ar") < 0;
-}
-static __inline__ void atomic_sub(int i, atomic_t * v)
-{
-               __CS_LOOP(v, i, "sr");
-}
+#define atomic_add(_i, _v)              atomic_add_return(_i, _v)
+#define atomic_add_negative(_i, _v)     (atomic_add_return(_i, _v) < 0)
+#define atomic_inc(_v)                  atomic_add_return(1, _v)
+#define atomic_inc_return(_v)           atomic_add_return(1, _v)
+#define atomic_inc_and_test(_v)         (atomic_add_return(1, _v) == 0)
+
 static __inline__ int atomic_sub_return(int i, atomic_t * v)
 {
         return __CS_LOOP(v, i, "sr");
 }
-static __inline__ void atomic_inc(volatile atomic_t * v)
-{
-               __CS_LOOP(v, 1, "ar");
-}
-static __inline__ int atomic_inc_return(volatile atomic_t * v)
-{
-        return __CS_LOOP(v, 1, "ar");
-}
+#define atomic_sub(_i, _v)              atomic_sub_return(_i, _v)
+#define atomic_sub_and_test(_i, _v)     (atomic_sub_return(_i, _v) == 0)
+#define atomic_dec(_v)                  atomic_sub_return(1, _v)
+#define atomic_dec_return(_v)           atomic_sub_return(1, _v)
+#define atomic_dec_and_test(_v)         (atomic_sub_return(1, _v) == 0)
 
-static __inline__ int atomic_inc_and_test(volatile atomic_t * v)
-{
-        return __CS_LOOP(v, 1, "ar") == 0;
-}
-static __inline__ void atomic_dec(volatile atomic_t * v)
-{
-               __CS_LOOP(v, 1, "sr");
-}
-static __inline__ int atomic_dec_return(volatile atomic_t * v)
-{
-        return __CS_LOOP(v, 1, "sr");
-}
-static __inline__ int atomic_dec_and_test(volatile atomic_t * v)
-{
-        return __CS_LOOP(v, 1, "sr") == 0;
-}
 static __inline__ void atomic_clear_mask(unsigned long mask, atomic_t * v)
 {
                __CS_LOOP(v, ~mask, "nr");
 }
+
 static __inline__ void atomic_set_mask(unsigned long mask, atomic_t * v)
 {
                __CS_LOOP(v, mask, "or");
 }
+
+static __inline__ int atomic_cmpxchg(atomic_t *v, int old, int new)
+{
+        __asm__ __volatile__("  cs   %0,%3,0(%2)\n"
+                             : "+d" (old), "=m" (v->counter)
+                             : "a" (v), "d" (new), "m" (v->counter)
+                             : "cc", "memory" );
+        return old;
+}
+
+static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
+{
+        int c, old;
+
+        c = atomic_read(v);
+        while (c != u && (old = atomic_cmpxchg(v, c, c + a)) != c)
+                c = old;
+        return c != u;
+}
+
+#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
+
 #undef __CS_LOOP
 
 #ifdef __s390x__
@@ -123,97 +121,67 @@ typedef struct {
 #define atomic64_read(v)          ((v)->counter)
 #define atomic64_set(v,i)         (((v)->counter) = (i))
 
-static __inline__ void atomic64_add(long long i, atomic64_t * v)
-{
-               __CSG_LOOP(v, i, "agr");
-}
 static __inline__ long long atomic64_add_return(long long i, atomic64_t * v)
 {
         return __CSG_LOOP(v, i, "agr");
 }
-static __inline__ long long atomic64_add_negative(long long i, atomic64_t * v)
-{
-        return __CSG_LOOP(v, i, "agr") < 0;
-}
-static __inline__ void atomic64_sub(long long i, atomic64_t * v)
-{
-               __CSG_LOOP(v, i, "sgr");
-}
-static __inline__ void atomic64_inc(volatile atomic64_t * v)
-{
-               __CSG_LOOP(v, 1, "agr");
-}
-static __inline__ long long atomic64_inc_return(volatile atomic64_t * v)
-{
-        return __CSG_LOOP(v, 1, "agr");
-}
-static __inline__ long long atomic64_inc_and_test(volatile atomic64_t * v)
-{
-        return __CSG_LOOP(v, 1, "agr") == 0;
-}
-static __inline__ void atomic64_dec(volatile atomic64_t * v)
-{
-               __CSG_LOOP(v, 1, "sgr");
-}
-static __inline__ long long atomic64_dec_return(volatile atomic64_t * v)
-{
-        return __CSG_LOOP(v, 1, "sgr");
-}
-static __inline__ long long atomic64_dec_and_test(volatile atomic64_t * v)
+#define atomic64_add(_i, _v)            atomic64_add_return(_i, _v)
+#define atomic64_add_negative(_i, _v)   (atomic64_add_return(_i, _v) < 0)
+#define atomic64_inc(_v)                atomic64_add_return(1, _v)
+#define atomic64_inc_return(_v)         atomic64_add_return(1, _v)
+#define atomic64_inc_and_test(_v)       (atomic64_add_return(1, _v) == 0)
+
+static __inline__ long long atomic64_sub_return(long long i, atomic64_t * v)
 {
-        return __CSG_LOOP(v, 1, "sgr") == 0;
+        return __CSG_LOOP(v, i, "sgr");
 }
+#define atomic64_sub(_i, _v)            atomic64_sub_return(_i, _v)
+#define atomic64_sub_and_test(_i, _v)   (atomic64_sub_return(_i, _v) == 0)
+#define atomic64_dec(_v)                atomic64_sub_return(1, _v)
+#define atomic64_dec_return(_v)         atomic64_sub_return(1, _v)
+#define atomic64_dec_and_test(_v)       (atomic64_sub_return(1, _v) == 0)
+
 static __inline__ void atomic64_clear_mask(unsigned long mask, atomic64_t * v)
 {
                __CSG_LOOP(v, ~mask, "ngr");
 }
+
 static __inline__ void atomic64_set_mask(unsigned long mask, atomic64_t * v)
 {
                __CSG_LOOP(v, mask, "ogr");
 }
 
-#undef __CSG_LOOP
-#endif
-
-/*
-  returns 0  if expected_oldval==value in *v ( swap was successful )
-  returns 1  if unsuccessful.
+static __inline__ long long atomic64_cmpxchg(atomic64_t *v,
+                                             long long old, long long new)
+{
+        __asm__ __volatile__("  csg  %0,%3,0(%2)\n"
+                             : "+d" (old), "=m" (v->counter)
+                             : "a" (v), "d" (new), "m" (v->counter)
+                             : "cc", "memory" );
+        return old;
+}
 
-  This is non-portable, use bitops or spinlocks instead!
-*/
-static __inline__ int
-atomic_compare_and_swap(int expected_oldval,int new_val,atomic_t *v)
+static __inline__ int atomic64_add_unless(atomic64_t *v,
+                                          long long a, long long u)
 {
-        int retval;
-
-        __asm__ __volatile__(
-                "  lr   %0,%3\n"
-                "  cs   %0,%4,0(%2)\n"
-                "  ipm  %0\n"
-                "  srl  %0,28\n"
-                "0:"
-                : "=&d" (retval), "=m" (v->counter)
-                : "a" (v), "d" (expected_oldval) , "d" (new_val),
-                  "m" (v->counter) : "cc", "memory" );
-        return retval;
+        long long c, old;
+
+        c = atomic64_read(v);
+        while (c != u && (old = atomic64_cmpxchg(v, c, c + a)) != c)
+                c = old;
+        return c != u;
 }
 
-#define atomic_cmpxchg(v, o, n) (atomic_compare_and_swap((o), (n), &((v)->counter)))
+#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
 
-#define atomic_add_unless(v, a, u)                              \
-({                                                              \
-        int c, old;                                             \
-        c = atomic_read(v);                                     \
-        while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
-                c = old;                                        \
-        c != (u);                                               \
-})
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
+#undef __CSG_LOOP
+#endif
 
 #define smp_mb__before_atomic_dec()     smp_mb()
 #define smp_mb__after_atomic_dec()      smp_mb()
 #define smp_mb__before_atomic_inc()     smp_mb()
 #define smp_mb__after_atomic_inc()      smp_mb()
 
+#include <asm-generic/atomic.h>
 #endif /* __KERNEL__ */
 #endif /* __ARCH_S390_ATOMIC__  */
diff --git a/include/asm-s390/bitops.h b/include/asm-s390/bitops.h
index b07c578b22ea..61232760cc3b 100644
--- a/include/asm-s390/bitops.h
+++ b/include/asm-s390/bitops.h
@@ -839,6 +839,7 @@ static inline int sched_find_first_bit(unsigned long *b)
  * fls: find last bit set.
  */
 #define fls(x) generic_fls(x)
+#define fls64(x)   generic_fls64(x)
 
 /*
  * hweightN: returns the hamming weight (i.e. the number
diff --git a/include/asm-s390/ccwdev.h b/include/asm-s390/ccwdev.h
index 3eb231af5d51..12456cb2f882 100644
--- a/include/asm-s390/ccwdev.h
+++ b/include/asm-s390/ccwdev.h
@@ -185,8 +185,5 @@ extern struct ccw_device *ccw_device_probe_console(void);
 extern int _ccw_device_get_device_number(struct ccw_device *);
 extern int _ccw_device_get_subchannel_number(struct ccw_device *);
 
-extern struct device *s390_root_dev_register(const char *);
-extern void s390_root_dev_unregister(struct device *);
-
 extern void *ccw_device_get_chp_desc(struct ccw_device *, int);
 #endif /* _S390_CCWDEV_H_ */
diff --git a/include/asm-s390/mman.h b/include/asm-s390/mman.h
index ea86bd12204f..c8d5409b5d56 100644
--- a/include/asm-s390/mman.h
+++ b/include/asm-s390/mman.h
@@ -43,6 +43,7 @@
 #define MADV_SEQUENTIAL        0x2             /* read-ahead aggressively */
 #define MADV_WILLNEED  0x3              /* pre-fault pages */
 #define MADV_DONTNEED  0x4              /* discard these pages */
+#define MADV_REMOVE    0x5              /* remove these pages & resources */
 
 /* compatibility flags */
 #define MAP_ANON        MAP_ANONYMOUS
diff --git a/include/asm-s390/qdio.h b/include/asm-s390/qdio.h
index 0ddf0a8ef8de..7bc15f0231db 100644
--- a/include/asm-s390/qdio.h
+++ b/include/asm-s390/qdio.h
@@ -195,12 +195,14 @@ struct qdr {
 /*
  * queue information block (QIB)
  */
-#define QIB_AC_INBOUND_PCI_SUPPORTED 0x80
-#define QIB_AC_OUTBOUND_PCI_SUPPORTED 0x40
+#define QIB_AC_INBOUND_PCI_SUPPORTED    0x80
+#define QIB_AC_OUTBOUND_PCI_SUPPORTED   0x40
+#define QIB_RFLAGS_ENABLE_QEBSM         0x80
+
 struct qib {
         unsigned int  qfmt    :  8;     /* queue format */
         unsigned int  pfmt    :  8;     /* impl. dep. parameter format */
-        unsigned int  res1    :  8;     /* reserved */
+        unsigned int  rflags  :  8;     /* QEBSM */
         unsigned int  ac      :  8;     /* adapter characteristics */
         unsigned int  res2;             /* reserved */
 #ifdef QDIO_32_BIT
diff --git a/include/asm-s390/s390_rdev.h b/include/asm-s390/s390_rdev.h
new file mode 100644
index 000000000000..3ad78f2b9c48
--- /dev/null
+++ b/include/asm-s390/s390_rdev.h
@@ -0,0 +1,15 @@
+/*
+ *  include/asm-s390/ccwdev.h
+ *
+ *    Copyright (C) 2002,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Author(s): Cornelia Huck <cohuck@de.ibm.com>
+ *               Carsten Otte  <cotte@de.ibm.com>
+ *
+ *  Interface for s390 root device
+ */
+
+#ifndef _S390_RDEV_H_
+#define _S390_RDEV_H_
+extern struct device *s390_root_dev_register(const char *);
+extern void s390_root_dev_unregister(struct device *);
+#endif /* _S390_RDEV_H_ */
diff --git a/include/asm-s390/uaccess.h b/include/asm-s390/uaccess.h
index 10a619da4761..be104f21c70a 100644
--- a/include/asm-s390/uaccess.h
+++ b/include/asm-s390/uaccess.h
@@ -61,8 +61,10 @@
 #define segment_eq(a,b) ((a).ar4 == (b).ar4)
 
 
-#define __access_ok(addr,size) (1)
-
+static inline int __access_ok(const void *addr, unsigned long size)
+{
+        return 1;
+}
 #define access_ok(type,addr,size) __access_ok(addr,size)
 
 /*
@@ -206,25 +208,25 @@ extern int __put_user_bad(void) __attribute__((noreturn));
         case 1: {                                               \
                 unsigned char __x;                              \
                 __get_user_asm(__x, ptr, __gu_err);             \
-                (x) = (__typeof__(*(ptr))) __x;                 \
+                (x) = *(__typeof__(*(ptr)) *) &__x;             \
                 break;                                          \
         };                                                      \
         case 2: {                                               \
                 unsigned short __x;                             \
                 __get_user_asm(__x, ptr, __gu_err);             \
-                (x) = (__typeof__(*(ptr))) __x;                 \
+                (x) = *(__typeof__(*(ptr)) *) &__x;             \
                 break;                                          \
         };                                                      \
         case 4: {                                               \
                 unsigned int __x;                               \
                 __get_user_asm(__x, ptr, __gu_err);             \
-                (x) = (__typeof__(*(ptr))) __x;                 \
+                (x) = *(__typeof__(*(ptr)) *) &__x;             \
                 break;                                          \
         };                                                      \
         case 8: {                                               \
                 unsigned long long __x;                         \
                 __get_user_asm(__x, ptr, __gu_err);             \
-                (x) = (__typeof__(*(ptr))) __x;                 \
+                (x) = *(__typeof__(*(ptr)) *) &__x;             \
                 break;                                          \
         };                                                      \
         default:                                                \
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index f97d92691f17..2861cdc243ad 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -539,7 +539,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4,    \
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGACTION
-# ifdef CONFIG_ARCH_S390_31
+# ifndef CONFIG_64BIT
 #   define __ARCH_WANT_STAT64
 #   define __ARCH_WANT_SYS_TIME
 # endif
diff --git a/include/asm-s390/vtoc.h b/include/asm-s390/vtoc.h
index 41d369f38b0e..d1de5b7ebb0b 100644
--- a/include/asm-s390/vtoc.h
+++ b/include/asm-s390/vtoc.h
@@ -176,4 +176,28 @@ struct vtoc_format7_label
         struct vtoc_cchhb DS7PTRDS; /* pointer to next FMT7 DSCB */
 } __attribute__ ((packed));
 
+struct vtoc_cms_label {
+        u8 label_id[4];         /* Label identifier */
+        u8 vol_id[6];           /* Volid */
+        u16 version_id;         /* Version identifier */
+        u32 block_size;         /* Disk block size */
+        u32 origin_ptr;         /* Disk origin pointer */
+        u32 usable_count;       /* Number of usable cylinders/blocks */
+        u32 formatted_count;    /* Maximum number of formatted cylinders/
+                                 * blocks */
+        u32 block_count;        /* Disk size in CMS blocks */
+        u32 used_count;         /* Number of CMS blocks in use */
+        u32 fst_size;           /* File Status Table (FST) size */
+        u32 fst_count;          /* Number of FSTs per CMS block */
+        u8 format_date[6];      /* Disk FORMAT date */
+        u8 reserved1[2];
+        u32 disk_offset;        /* Disk offset when reserved*/
+        u32 map_block;          /* Allocation Map Block with next hole */
+        u32 hblk_disp;          /* Displacement into HBLK data of next hole */
+        u32 user_disp;          /* Displacement into user part of Allocation
+                                 * map */
+        u8 reserved2[4];
+        u8 segment_name[8];     /* Name of shared segment */
+} __attribute__ ((packed));
+
 #endif /* _ASM_S390_VTOC_H */