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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 09:16:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 09:16:39 -0700
commit89af571ca633ada14d17746519a179553a732d31 (patch)
tree7d5486cc43b4ce4c258cb2fcfc449e6a94cdc33d /arch
parent1b195b170da6d75abafa290deeb8863dc8a4d79b (diff)
parent59e36927ee08f3bf06d8d14597e57389bf1b41dc (diff)
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (54 commits) [S390] tape: Use pr_xxx instead of dev_xxx in shared driver code [S390] Wire up page fault events for software perf counters. [S390] Remove smp_cpu_not_running. [S390] Get rid of cpuid.h header file. [S390] Limit cpu detection to 256 physical cpus. [S390] tape: Fix device online messages [S390] Enable guest page hinting by default. [S390] use generic scatterlist.h [S390] s390dbf: Add description for usage of "%s" in sprintf events [S390] Initialize __LC_THREAD_INFO early. [S390] fix recursive locking on page_table_lock [S390] kvm: use console_initcall() to initialize s390 virtio console [S390] tape: reversed order of labels [S390] hypfs: Use "%u" instead of "%d" for unsigned ints in snprintf [S390] kernel: Print an error message if kernel NSS cannot be defined [S390] zcrypt: Free ap_device if dev_set_name fails. [S390] zcrypt: Use spin_lock_bh in suspend callback [S390] xpram: Remove checksum validation for suspend/resume [S390] vmur: Invalid allocation sequence for vmur class [S390] hypfs: remove useless variable qname ...
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/Kconfig8
-rw-r--r--arch/s390/Makefile3
-rw-r--r--arch/s390/hypfs/inode.c6
-rw-r--r--arch/s390/include/asm/atomic.h205
-rw-r--r--arch/s390/include/asm/checksum.h25
-rw-r--r--arch/s390/include/asm/chsc.h28
-rw-r--r--arch/s390/include/asm/cio.h223
-rw-r--r--arch/s390/include/asm/cpu.h26
-rw-r--r--arch/s390/include/asm/cpuid.h25
-rw-r--r--arch/s390/include/asm/debug.h9
-rw-r--r--arch/s390/include/asm/hardirq.h7
-rw-r--r--arch/s390/include/asm/ipl.h5
-rw-r--r--arch/s390/include/asm/kvm_host.h6
-rw-r--r--arch/s390/include/asm/kvm_virtio.h10
-rw-r--r--arch/s390/include/asm/lowcore.h6
-rw-r--r--arch/s390/include/asm/mmu.h1
-rw-r--r--arch/s390/include/asm/page.h4
-rw-r--r--arch/s390/include/asm/pgalloc.h1
-rw-r--r--arch/s390/include/asm/processor.h4
-rw-r--r--arch/s390/include/asm/scatterlist.h20
-rw-r--r--arch/s390/include/asm/scsw.h956
-rw-r--r--arch/s390/include/asm/setup.h2
-rw-r--r--arch/s390/include/asm/smp.h32
-rw-r--r--arch/s390/include/asm/system.h4
-rw-r--r--arch/s390/include/asm/timex.h14
-rw-r--r--arch/s390/kernel/Makefile4
-rw-r--r--arch/s390/kernel/early.c74
-rw-r--r--arch/s390/kernel/entry.S16
-rw-r--r--arch/s390/kernel/entry64.S4
-rw-r--r--arch/s390/kernel/head.S1
-rw-r--r--arch/s390/kernel/head31.S1
-rw-r--r--arch/s390/kernel/head64.S9
-rw-r--r--arch/s390/kernel/ipl.c166
-rw-r--r--arch/s390/kernel/mcount.S147
-rw-r--r--arch/s390/kernel/mcount64.S78
-rw-r--r--arch/s390/kernel/setup.c10
-rw-r--r--arch/s390/kernel/smp.c39
-rw-r--r--arch/s390/kernel/suspend.c (renamed from arch/s390/power/swsusp.c)35
-rw-r--r--arch/s390/kernel/swsusp_asm64.S (renamed from arch/s390/power/swsusp_asm64.S)2
-rw-r--r--arch/s390/kernel/time.c3
-rw-r--r--arch/s390/kernel/vmlinux.lds.S87
-rw-r--r--arch/s390/mm/Makefile4
-rw-r--r--arch/s390/mm/fault.c13
-rw-r--r--arch/s390/mm/page-states.c6
-rw-r--r--arch/s390/mm/pgtable.c24
-rw-r--r--arch/s390/mm/vmem.c1
-rw-r--r--arch/s390/power/Makefile8
-rw-r--r--arch/s390/power/suspend.c40
-rw-r--r--arch/s390/power/swsusp_64.c17
49 files changed, 1607 insertions, 812 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2ae5d72f47e..e030e86ff6a 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -95,7 +95,6 @@ config S390
select HAVE_ARCH_TRACEHOOK
select INIT_ALL_POSSIBLE
select HAVE_PERF_COUNTERS
- select GENERIC_ATOMIC64 if !64BIT
config SCHED_OMIT_FRAME_POINTER
bool
@@ -481,13 +480,6 @@ config CMM_IUCV
Select this option to enable the special message interface to
the cooperative memory management.
-config PAGE_STATES
- bool "Unused page notification"
- help
- This enables the notification of unused pages to the
- hypervisor. The ESSA instruction is used to do the states
- changes between a page that has content and the unused state.
-
config APPLDATA_BASE
bool "Linux - VM Monitor Stream, base infrastructure"
depends on PROC_FS
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 0ff387cebf8..fc8fb20e7fc 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -88,8 +88,7 @@ LDFLAGS_vmlinux := -e start
head-y := arch/s390/kernel/head.o arch/s390/kernel/init_task.o
core-y += arch/s390/mm/ arch/s390/kernel/ arch/s390/crypto/ \
- arch/s390/appldata/ arch/s390/hypfs/ arch/s390/kvm/ \
- arch/s390/power/
+ arch/s390/appldata/ arch/s390/hypfs/ arch/s390/kvm/
libs-y += arch/s390/lib/
drivers-y += drivers/s390/
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 5a805df216b..bd9914b8948 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -355,11 +355,7 @@ static struct dentry *hypfs_create_file(struct super_block *sb,
{
struct dentry *dentry;
struct inode *inode;
- struct qstr qname;
- qname.name = name;
- qname.len = strlen(name);
- qname.hash = full_name_hash(name, qname.len);
mutex_lock(&parent->d_inode->i_mutex);
dentry = lookup_one_len(name, parent, strlen(name));
if (IS_ERR(dentry)) {
@@ -426,7 +422,7 @@ struct dentry *hypfs_create_u64(struct super_block *sb, struct dentry *dir,
char tmp[TMP_SIZE];
struct dentry *dentry;
- snprintf(tmp, TMP_SIZE, "%lld\n", (unsigned long long int)value);
+ snprintf(tmp, TMP_SIZE, "%llu\n", (unsigned long long int)value);
buffer = kstrdup(tmp, GFP_KERNEL);
if (!buffer)
return ERR_PTR(-ENOMEM);
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index c7d0abfb0f0..ae7c8f9f94a 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -1,33 +1,23 @@
#ifndef __ARCH_S390_ATOMIC__
#define __ARCH_S390_ATOMIC__
-#include <linux/compiler.h>
-#include <linux/types.h>
-
/*
- * include/asm-s390/atomic.h
+ * Copyright 1999,2009 IBM Corp.
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>,
+ * Denis Joseph Barrow,
+ * Arnd Bergmann <arndb@de.ibm.com>,
*
- * S390 version
- * 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)
- *
- * Derived from "include/asm-i386/bitops.h"
- * Copyright (C) 1992, Linus Torvalds
+ * Atomic operations that C can't guarantee us.
+ * Useful for resource counting etc.
+ * s390 uses 'Compare And Swap' for atomicity in SMP enviroment.
*
*/
-/*
- * Atomic operations that C can't guarantee us. Useful for
- * resource counting etc..
- * S390 uses 'Compare And Swap' for atomicity in SMP enviroment
- */
+#include <linux/compiler.h>
+#include <linux/types.h>
#define ATOMIC_INIT(i) { (i) }
-#ifdef __KERNEL__
-
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
#define __CS_LOOP(ptr, op_val, op_string) ({ \
@@ -77,7 +67,7 @@ static inline void atomic_set(atomic_t *v, int i)
barrier();
}
-static __inline__ int atomic_add_return(int i, atomic_t * v)
+static inline int atomic_add_return(int i, atomic_t *v)
{
return __CS_LOOP(v, i, "ar");
}
@@ -87,7 +77,7 @@ static __inline__ int atomic_add_return(int i, atomic_t * 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)
+static inline int atomic_sub_return(int i, atomic_t *v)
{
return __CS_LOOP(v, i, "sr");
}
@@ -97,19 +87,19 @@ static __inline__ int atomic_sub_return(int i, atomic_t * 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__ void atomic_clear_mask(unsigned long mask, atomic_t * v)
+static inline void atomic_clear_mask(unsigned long mask, atomic_t *v)
{
- __CS_LOOP(v, ~mask, "nr");
+ __CS_LOOP(v, ~mask, "nr");
}
-static __inline__ void atomic_set_mask(unsigned long mask, atomic_t * v)
+static inline void atomic_set_mask(unsigned long mask, atomic_t *v)
{
- __CS_LOOP(v, mask, "or");
+ __CS_LOOP(v, mask, "or");
}
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-static __inline__ int atomic_cmpxchg(atomic_t *v, int old, int new)
+static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
{
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
asm volatile(
@@ -127,7 +117,7 @@ static __inline__ int atomic_cmpxchg(atomic_t *v, int old, int new)
return old;
}
-static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
+static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int c, old;
c = atomic_read(v);
@@ -146,9 +136,10 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
#undef __CS_LOOP
-#ifdef __s390x__
#define ATOMIC64_INIT(i) { (i) }
+#ifdef CONFIG_64BIT
+
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
#define __CSG_LOOP(ptr, op_val, op_string) ({ \
@@ -162,7 +153,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
: "=&d" (old_val), "=&d" (new_val), \
"=Q" (((atomic_t *)(ptr))->counter) \
: "d" (op_val), "Q" (((atomic_t *)(ptr))->counter) \
- : "cc", "memory" ); \
+ : "cc", "memory"); \
new_val; \
})
@@ -180,7 +171,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
"=m" (((atomic_t *)(ptr))->counter) \
: "a" (ptr), "d" (op_val), \
"m" (((atomic_t *)(ptr))->counter) \
- : "cc", "memory" ); \
+ : "cc", "memory"); \
new_val; \
})
@@ -198,39 +189,29 @@ static inline void atomic64_set(atomic64_t *v, long long i)
barrier();
}
-static __inline__ long long atomic64_add_return(long long i, atomic64_t * v)
+static inline long long atomic64_add_return(long long i, atomic64_t *v)
{
return __CSG_LOOP(v, i, "agr");
}
-#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)
+static inline long long atomic64_sub_return(long long i, atomic64_t *v)
{
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)
+static inline void atomic64_clear_mask(unsigned long mask, atomic64_t *v)
{
- __CSG_LOOP(v, ~mask, "ngr");
+ __CSG_LOOP(v, ~mask, "ngr");
}
-static __inline__ void atomic64_set_mask(unsigned long mask, atomic64_t * v)
+static inline void atomic64_set_mask(unsigned long mask, atomic64_t *v)
{
- __CSG_LOOP(v, mask, "ogr");
+ __CSG_LOOP(v, mask, "ogr");
}
#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
-static __inline__ long long atomic64_cmpxchg(atomic64_t *v,
+static inline long long atomic64_cmpxchg(atomic64_t *v,
long long old, long long new)
{
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
@@ -249,8 +230,112 @@ static __inline__ long long atomic64_cmpxchg(atomic64_t *v,
return old;
}
-static __inline__ int atomic64_add_unless(atomic64_t *v,
- long long a, long long u)
+#undef __CSG_LOOP
+
+#else /* CONFIG_64BIT */
+
+typedef struct {
+ long long counter;
+} atomic64_t;
+
+static inline long long atomic64_read(const atomic64_t *v)
+{
+ register_pair rp;
+
+ asm volatile(
+ " lm %0,%N0,0(%1)"
+ : "=&d" (rp)
+ : "a" (&v->counter), "m" (v->counter)
+ );
+ return rp.pair;
+}
+
+static inline void atomic64_set(atomic64_t *v, long long i)
+{
+ register_pair rp = {.pair = i};
+
+ asm volatile(
+ " stm %1,%N1,0(%2)"
+ : "=m" (v->counter)
+ : "d" (rp), "a" (&v->counter)
+ );
+}
+
+static inline long long atomic64_xchg(atomic64_t *v, long long new)
+{
+ register_pair rp_new = {.pair = new};
+ register_pair rp_old;
+
+ asm volatile(
+ " lm %0,%N0,0(%2)\n"
+ "0: cds %0,%3,0(%2)\n"
+ " jl 0b\n"
+ : "=&d" (rp_old), "+m" (v->counter)
+ : "a" (&v->counter), "d" (rp_new)
+ : "cc");
+ return rp_old.pair;
+}
+
+static inline long long atomic64_cmpxchg(atomic64_t *v,
+ long long old, long long new)
+{
+ register_pair rp_old = {.pair = old};
+ register_pair rp_new = {.pair = new};
+
+ asm volatile(
+ " cds %0,%3,0(%2)"
+ : "+&d" (rp_old), "+m" (v->counter)
+ : "a" (&v->counter), "d" (rp_new)
+ : "cc");
+ return rp_old.pair;
+}
+
+
+static inline long long atomic64_add_return(long long i, atomic64_t *v)
+{
+ long long old, new;
+
+ do {
+ old = atomic64_read(v);
+ new = old + i;
+ } while (atomic64_cmpxchg(v, old, new) != old);
+ return new;
+}
+
+static inline long long atomic64_sub_return(long long i, atomic64_t *v)
+{
+ long long old, new;
+
+ do {
+ old = atomic64_read(v);
+ new = old - i;
+ } while (atomic64_cmpxchg(v, old, new) != old);
+ return new;
+}
+
+static inline void atomic64_set_mask(unsigned long long mask, atomic64_t *v)
+{
+ long long old, new;
+
+ do {
+ old = atomic64_read(v);
+ new = old | mask;
+ } while (atomic64_cmpxchg(v, old, new) != old);
+}
+
+static inline void atomic64_clear_mask(unsigned long long mask, atomic64_t *v)
+{
+ long long old, new;
+
+ do {
+ old = atomic64_read(v);
+ new = old & mask;
+ } while (atomic64_cmpxchg(v, old, new) != old);
+}
+
+#endif /* CONFIG_64BIT */
+
+static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u)
{
long long c, old;
c = atomic64_read(v);
@@ -265,15 +350,17 @@ static __inline__ int atomic64_add_unless(atomic64_t *v,
return c != u;
}
-#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
-
-#undef __CSG_LOOP
-
-#else /* __s390x__ */
-
-#include <asm-generic/atomic64.h>
-
-#endif /* __s390x__ */
+#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)
+#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)
+#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
#define smp_mb__before_atomic_dec() smp_mb()
#define smp_mb__after_atomic_dec() smp_mb()
@@ -281,5 +368,5 @@ static __inline__ int atomic64_add_unless(atomic64_t *v,
#define smp_mb__after_atomic_inc() smp_mb()
#include <asm-generic/atomic-long.h>
-#endif /* __KERNEL__ */
+
#endif /* __ARCH_S390_ATOMIC__ */
diff --git a/arch/s390/include/asm/checksum.h b/arch/s390/include/asm/checksum.h
index d5a8e7c1477..6c00f6800a3 100644
--- a/arch/s390/include/asm/checksum.h
+++ b/arch/s390/include/asm/checksum.h
@@ -78,28 +78,11 @@ csum_partial_copy_nocheck (const void *src, void *dst, int len, __wsum sum)
*/
static inline __sum16 csum_fold(__wsum sum)
{
-#ifndef __s390x__
- register_pair rp;
+ u32 csum = (__force u32) sum;
- asm volatile(
- " slr %N1,%N1\n" /* %0 = H L */
- " lr %1,%0\n" /* %0 = H L, %1 = H L 0 0 */
- " srdl %1,16\n" /* %0 = H L, %1 = 0 H L 0 */
- " alr %1,%N1\n" /* %0 = H L, %1 = L H L 0 */
- " alr %0,%1\n" /* %0 = H+L+C L+H */
- " srl %0,16\n" /* %0 = H+L+C */
- : "+&d" (sum), "=d" (rp) : : "cc");
-#else /* __s390x__ */
- asm volatile(
- " sr 3,3\n" /* %0 = H*65536 + L */
- " lr 2,%0\n" /* %0 = H L, 2/3 = H L / 0 0 */
- " srdl 2,16\n" /* %0 = H L, 2/3 = 0 H / L 0 */
- " alr 2,3\n" /* %0 = H L, 2/3 = L H / L 0 */
- " alr %0,2\n" /* %0 = H+L+C L+H */
- " srl %0,16\n" /* %0 = H+L+C */
- : "+&d" (sum) : : "cc", "2", "3");
-#endif /* __s390x__ */
- return (__force __sum16) ~sum;
+ csum += (csum >> 16) + (csum << 16);
+ csum >>= 16;
+ return (__force __sum16) ~csum;
}
/*
diff --git a/arch/s390/include/asm/chsc.h b/arch/s390/include/asm/chsc.h
index 807997f7414..4943654ed7f 100644
--- a/arch/s390/include/asm/chsc.h
+++ b/arch/s390/include/asm/chsc.h
@@ -125,4 +125,32 @@ struct chsc_cpd_info {
#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)
+#ifdef __KERNEL__
+
+struct css_general_char {
+ u64 : 12;
+ u32 dynio : 1; /* bit 12 */
+ u32 : 28;
+ u32 aif : 1; /* bit 41 */
+ u32 : 3;
+ u32 mcss : 1; /* bit 45 */
+ u32 fcs : 1; /* bit 46 */
+ u32 : 1;
+ u32 ext_mb : 1; /* bit 48 */
+ u32 : 7;
+ u32 aif_tdd : 1; /* bit 56 */
+ u32 : 1;
+ u32 qebsm : 1; /* bit 58 */
+ u32 : 8;
+ u32 aif_osa : 1; /* bit 67 */
+ u32 : 14;
+ u32 cib : 1; /* bit 82 */
+ u32 : 5;
+ u32 fcx : 1; /* bit 88 */
+ u32 : 7;
+}__attribute__((packed));
+
+extern struct css_general_char css_general_characteristics;
+
+#endif /* __KERNEL__ */
#endif
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index 619bf94b11f..e85679af54d 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -15,228 +15,7 @@
#define LPM_ANYPATH 0xff
#define __MAX_CSSID 0
-/**
- * struct cmd_scsw - command-mode subchannel status word
- * @key: subchannel key
- * @sctl: suspend control
- * @eswf: esw format
- * @cc: deferred condition code
- * @fmt: format
- * @pfch: prefetch
- * @isic: initial-status interruption control
- * @alcc: address-limit checking control
- * @ssi: suppress-suspended interruption
- * @zcc: zero condition code
- * @ectl: extended control
- * @pno: path not operational
- * @res: reserved
- * @fctl: function control
- * @actl: activity control
- * @stctl: status control
- * @cpa: channel program address
- * @dstat: device status
- * @cstat: subchannel status
- * @count: residual count
- */
-struct cmd_scsw {
- __u32 key : 4;
- __u32 sctl : 1;
- __u32 eswf : 1;
- __u32 cc : 2;
- __u32 fmt : 1;
- __u32 pfch : 1;
- __u32 isic : 1;
- __u32 alcc : 1;
- __u32 ssi : 1;
- __u32 zcc : 1;
- __u32 ectl : 1;
- __u32 pno : 1;
- __u32 res : 1;
- __u32 fctl : 3;
- __u32 actl : 7;
- __u32 stctl : 5;
- __u32 cpa;
- __u32 dstat : 8;
- __u32 cstat : 8;
- __u32 count : 16;
-} __attribute__ ((packed));
-
-/**
- * struct tm_scsw - transport-mode subchannel status word
- * @key: subchannel key
- * @eswf: esw format
- * @cc: deferred condition code
- * @fmt: format
- * @x: IRB-format control
- * @q: interrogate-complete
- * @ectl: extended control
- * @pno: path not operational
- * @fctl: function control
- * @actl: activity control
- * @stctl: status control
- * @tcw: TCW address
- * @dstat: device status
- * @cstat: subchannel status
- * @fcxs: FCX status
- * @schxs: subchannel-extended status
- */
-struct tm_scsw {
- u32 key:4;
- u32 :1;
- u32 eswf:1;
- u32 cc:2;
- u32 fmt:3;
- u32 x:1;
- u32 q:1;
- u32 :1;
- u32 ectl:1;
- u32 pno:1;
- u32 :1;
- u32 fctl:3;
- u32 actl:7;
- u32 stctl:5;
- u32 tcw;
- u32 dstat:8;
- u32 cstat:8;
- u32 fcxs:8;
- u32 schxs:8;
-} __attribute__ ((packed));
-
-/**
- * union scsw - subchannel status word
- * @cmd: command-mode SCSW
- * @tm: transport-mode SCSW
- */
-union scsw {
- struct cmd_scsw cmd;
- struct tm_scsw tm;
-} __attribute__ ((packed));
-
-int scsw_is_tm(union scsw *scsw);
-u32 scsw_key(union scsw *scsw);
-u32 scsw_eswf(union scsw *scsw);
-u32 scsw_cc(union scsw *scsw);
-u32 scsw_ectl(union scsw *scsw);
-u32 scsw_pno(union scsw *scsw);
-u32 scsw_fctl(union scsw *scsw);
-u32 scsw_actl(union scsw *scsw);
-u32 scsw_stctl(union scsw *scsw);
-u32 scsw_dstat(union scsw *scsw);
-u32 scsw_cstat(union scsw *scsw);
-int scsw_is_solicited(union scsw *scsw);
-int scsw_is_valid_key(union scsw *scsw);
-int scsw_is_valid_eswf(union scsw *scsw);
-int scsw_is_valid_cc(union scsw *scsw);
-int scsw_is_valid_ectl(union scsw *scsw);
-int scsw_is_valid_pno(union scsw *scsw);
-int scsw_is_valid_fctl(union scsw *scsw);
-int scsw_is_valid_actl(union scsw *scsw);
-int scsw_is_valid_stctl(union scsw *scsw);
-int scsw_is_valid_dstat(union scsw *scsw);
-int scsw_is_valid_cstat(union scsw *scsw);
-int scsw_cmd_is_valid_key(union scsw *scsw);
-int scsw_cmd_is_valid_sctl(union scsw *scsw);
-int scsw_cmd_is_valid_eswf(union scsw *scsw);
-int scsw_cmd_is_valid_cc(union scsw *scsw);
-int scsw_cmd_is_valid_fmt(union scsw *scsw);
-int scsw_cmd_is_valid_pfch(union scsw *scsw);
-int scsw_cmd_is_valid_isic(union scsw *scsw);
-int scsw_cmd_is_valid_alcc(union scsw *scsw);
-int scsw_cmd_is_valid_ssi(union scsw *scsw);
-int scsw_cmd_is_valid_zcc(union scsw *scsw);
-int scsw_cmd_is_valid_ectl(union scsw *scsw);
-int scsw_cmd_is_valid_pno(union scsw *scsw);
-int scsw_cmd_is_valid_fctl(union scsw *scsw);
-int scsw_cmd_is_valid_actl(union scsw *scsw);
-int scsw_cmd_is_valid_stctl(union scsw *scsw);
-int scsw_cmd_is_valid_dstat(union scsw *scsw);
-int scsw_cmd_is_valid_cstat(union scsw *scsw);
-int scsw_cmd_is_solicited(union scsw *scsw);
-int scsw_tm_is_valid_key(union scsw *scsw);
-int scsw_tm_is_valid_eswf(union scsw *scsw);
-int scsw_tm_is_valid_cc(union scsw *scsw);
-int scsw_tm_is_valid_fmt(union scsw *scsw);
-int scsw_tm_is_valid_x(union scsw *scsw);
-int scsw_tm_is_valid_q(union scsw *scsw);
-int scsw_tm_is_valid_ectl(union scsw *scsw);
-int scsw_tm_is_valid_pno(union scsw *scsw);
-int scsw_tm_is_valid_fctl(union scsw *scsw);
-int scsw_tm_is_valid_actl(union scsw *scsw);
-int scsw_tm_is_valid_stctl(union scsw *scsw);
-int scsw_tm_is_valid_dstat(union scsw *scsw);
-int scsw_tm_is_valid_cstat(union scsw *scsw);
-int scsw_tm_is_valid_fcxs(union scsw *scsw);
-int scsw_tm_is_valid_schxs(union scsw *scsw);
-int scsw_tm_is_solicited(union scsw *scsw);
-
-#define SCSW_FCTL_CLEAR_FUNC 0x1
-#define SCSW_FCTL_HALT_FUNC 0x2
-#define SCSW_FCTL_START_FUNC 0x4
-
-#define SCSW_ACTL_SUSPENDED 0x1
-#define SCSW_ACTL_DEVACT 0x2
-#define SCSW_ACTL_SCHACT 0x4
-#define SCSW_ACTL_CLEAR_PEND 0x8
-#define SCSW_ACTL_HALT_PEND 0x10
-#define SCSW_ACTL_START_PEND 0x20
-#define SCSW_ACTL_RESUME_PEND 0x40
-
-#define SCSW_STCTL_STATUS_PEND 0x1
-#define SCSW_STCTL_SEC_STATUS 0x2
-#define SCSW_STCTL_PRIM_STATUS 0x4
-#define SCSW_STCTL_INTER_STATUS 0x8
-#define SCSW_STCTL_ALERT_STATUS 0x10
-
-#define DEV_STAT_ATTENTION 0x80
-#define DEV_STAT_STAT_MOD 0x40
-#define DEV_STAT_CU_END 0x20
-#define DEV_STAT_BUSY 0x10
-#define DEV_STAT_CHN_END 0x08
-#define DEV_STAT_DEV_END 0x04
-#define DEV_STAT_UNIT_CHECK 0x02
-#define DEV_STAT_UNIT_EXCEP 0x01
-
-#define SCHN_STAT_PCI 0x80
-#define SCHN_STAT_INCORR_LEN 0x40
-#define SCHN_STAT_PROG_CHECK 0x20
-#define SCHN_STAT_PROT_CHECK 0x10
-#define SCHN_STAT_CHN_DATA_CHK 0x08
-#define SCHN_STAT_CHN_CTRL_CHK 0x04
-#define SCHN_STAT_INTF_CTRL_CHK 0x02
-#define SCHN_STAT_CHAIN_CHECK 0x01
-
-/*
- * architectured values for first sense byte
- */
-#define SNS0_CMD_REJECT 0x80
-#define SNS_CMD_REJECT SNS0_CMD_REJEC
-#define SNS0_INTERVENTION_REQ 0x40
-#define SNS0_BUS_OUT_CHECK 0x20
-#define SNS0_EQUIPMENT_CHECK 0x10
-#define SNS0_DATA_CHECK 0x08
-#define SNS0_OVERRUN 0x04
-#define SNS0_INCOMPL_DOMAIN 0x01
-
-/*
- * architectured values for second sense byte
- */
-#define SNS1_PERM_ERR 0x80
-#define SNS1_INV_TRACK_FORMAT 0x40
-#define SNS1_EOC 0x20
-#define SNS1_MESSAGE_TO_OPER 0x10
-#define SNS1_NO_REC_FOUND 0x08
-#define SNS1_FILE_PROTECTED 0x04
-#define SNS1_WRITE_INHIBITED 0x02
-#define SNS1_INPRECISE_END 0x01
-
-/*
- * architectured values for third sense byte
- */
-#define SNS2_REQ_INH_WRITE 0x80
-#define SNS2_CORRECTABLE 0