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authorAnton Arapov <anton@redhat.com>2012-06-08 12:58:00 +0200
committerAnton Arapov <anton@redhat.com>2012-06-08 12:58:00 +0200
commit6792a3f47a2e42d7164292bf7f1a55cfc4c91652 (patch)
treeb90c002bfbbeaec92f5d8a2383dcabf6524016f7 /arch/s390/include
parentfe2895d3d55146cac65b273c0f83e2c7e543cd0e (diff)
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fedora kernel: b920e9b748c595f970bf80ede7832d39f8d567dav3.4.1-2
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/atomic.h2
-rw-r--r--arch/s390/include/asm/barrier.h35
-rw-r--r--arch/s390/include/asm/cpu_mf.h97
-rw-r--r--arch/s390/include/asm/cputime.h9
-rw-r--r--arch/s390/include/asm/ctl_reg.h76
-rw-r--r--arch/s390/include/asm/debug.h1
-rw-r--r--arch/s390/include/asm/elf.h1
-rw-r--r--arch/s390/include/asm/exec.h12
-rw-r--r--arch/s390/include/asm/facility.h62
-rw-r--r--arch/s390/include/asm/hardirq.h1
-rw-r--r--arch/s390/include/asm/ipl.h1
-rw-r--r--arch/s390/include/asm/irq.h9
-rw-r--r--arch/s390/include/asm/jump_label.h2
-rw-r--r--arch/s390/include/asm/kvm.h11
-rw-r--r--arch/s390/include/asm/kvm_host.h12
-rw-r--r--arch/s390/include/asm/lowcore.h119
-rw-r--r--arch/s390/include/asm/mmu.h16
-rw-r--r--arch/s390/include/asm/mmu_context.h1
-rw-r--r--arch/s390/include/asm/os_info.h50
-rw-r--r--arch/s390/include/asm/perf_event.h13
-rw-r--r--arch/s390/include/asm/posix_types.h70
-rw-r--r--arch/s390/include/asm/processor.h24
-rw-r--r--arch/s390/include/asm/qeth.h7
-rw-r--r--arch/s390/include/asm/setup.h14
-rw-r--r--arch/s390/include/asm/sigp.h132
-rw-r--r--arch/s390/include/asm/smp.h65
-rw-r--r--arch/s390/include/asm/socket.h4
-rw-r--r--arch/s390/include/asm/swab.h2
-rw-r--r--arch/s390/include/asm/switch_to.h100
-rw-r--r--arch/s390/include/asm/system.h281
-rw-r--r--arch/s390/include/asm/timer.h4
-rw-r--r--arch/s390/include/asm/uaccess.h6
-rw-r--r--arch/s390/include/asm/vdso.h4
33 files changed, 649 insertions, 594 deletions
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 8517d2ae3b5..748347baecb 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -15,7 +15,7 @@
#include <linux/compiler.h>
#include <linux/types.h>
-#include <asm/system.h>
+#include <asm/cmpxchg.h>
#define ATOMIC_INIT(i) { (i) }
diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
new file mode 100644
index 00000000000..451273ad4d3
--- /dev/null
+++ b/arch/s390/include/asm/barrier.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright IBM Corp. 1999, 2009
+ *
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#ifndef __ASM_BARRIER_H
+#define __ASM_BARRIER_H
+
+/*
+ * Force strict CPU ordering.
+ * And yes, this is required on UP too when we're talking
+ * to devices.
+ *
+ * This is very similar to the ppc eieio/sync instruction in that is
+ * does a checkpoint syncronisation & makes sure that
+ * all memory ops have completed wrt other CPU's ( see 7-15 POP DJB ).
+ */
+
+#define eieio() asm volatile("bcr 15,0" : : : "memory")
+#define SYNC_OTHER_CORES(x) eieio()
+#define mb() eieio()
+#define rmb() eieio()
+#define wmb() eieio()
+#define read_barrier_depends() do { } while(0)
+#define smp_mb() mb()
+#define smp_rmb() rmb()
+#define smp_wmb() wmb()
+#define smp_read_barrier_depends() read_barrier_depends()
+#define smp_mb__before_clear_bit() smp_mb()
+#define smp_mb__after_clear_bit() smp_mb()
+
+#define set_mb(var, value) do { var = value; mb(); } while (0)
+
+#endif /* __ASM_BARRIER_H */
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
new file mode 100644
index 00000000000..a3afecdae14
--- /dev/null
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -0,0 +1,97 @@
+/*
+ * CPU-measurement facilities
+ *
+ * Copyright IBM Corp. 2012
+ * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
+ * Jan Glauber <jang@linux.vnet.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ */
+#ifndef _ASM_S390_CPU_MF_H
+#define _ASM_S390_CPU_MF_H
+
+#include <asm/facility.h>
+
+#define CPU_MF_INT_SF_IAE (1 << 31) /* invalid entry address */
+#define CPU_MF_INT_SF_ISE (1 << 30) /* incorrect SDBT entry */
+#define CPU_MF_INT_SF_PRA (1 << 29) /* program request alert */
+#define CPU_MF_INT_SF_SACA (1 << 23) /* sampler auth. change alert */
+#define CPU_MF_INT_SF_LSDA (1 << 22) /* loss of sample data alert */
+#define CPU_MF_INT_CF_CACA (1 << 7) /* counter auth. change alert */
+#define CPU_MF_INT_CF_LCDA (1 << 6) /* loss of counter data alert */
+
+#define CPU_MF_INT_CF_MASK (CPU_MF_INT_CF_CACA|CPU_MF_INT_CF_LCDA)
+#define CPU_MF_INT_SF_MASK (CPU_MF_INT_SF_IAE|CPU_MF_INT_SF_ISE| \
+ CPU_MF_INT_SF_PRA|CPU_MF_INT_SF_SACA| \
+ CPU_MF_INT_SF_LSDA)
+
+/* CPU measurement facility support */
+static inline int cpum_cf_avail(void)
+{
+ return MACHINE_HAS_SPP && test_facility(67);
+}
+
+static inline int cpum_sf_avail(void)
+{
+ return MACHINE_HAS_SPP && test_facility(68);
+}
+
+
+struct cpumf_ctr_info {
+ u16 cfvn;
+ u16 auth_ctl;
+ u16 enable_ctl;
+ u16 act_ctl;
+ u16 max_cpu;
+ u16 csvn;
+ u16 max_cg;
+ u16 reserved1;
+ u32 reserved2[12];
+} __packed;
+
+/* Query counter information */
+static inline int qctri(struct cpumf_ctr_info *info)
+{
+ int rc = -EINVAL;
+
+ asm volatile (
+ "0: .insn s,0xb28e0000,%1\n"
+ "1: lhi %0,0\n"
+ "2:\n"
+ EX_TABLE(1b, 2b)
+ : "+d" (rc), "=Q" (*info));
+ return rc;
+}
+
+/* Load CPU-counter-set controls */
+static inline int lcctl(u64 ctl)
+{
+ int cc;
+
+ asm volatile (
+ " .insn s,0xb2840000,%1\n"
+ " ipm %0\n"
+ " srl %0,28\n"
+ : "=d" (cc) : "m" (ctl) : "cc");
+ return cc;
+}
+
+/* Extract CPU counter */
+static inline int ecctr(u64 ctr, u64 *val)
+{
+ register u64 content asm("4") = 0;
+ int cc;
+
+ asm volatile (
+ " .insn rre,0xb2e40000,%0,%2\n"
+ " ipm %1\n"
+ " srl %1,28\n"
+ : "=d" (content), "=d" (cc) : "d" (ctr) : "cc");
+ if (!cc)
+ *val = content;
+ return cc;
+}
+
+#endif /* _ASM_S390_CPU_MF_H */
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index c23c3900c30..24ef186a1c4 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -170,24 +170,17 @@ struct s390_idle_data {
unsigned int sequence;
unsigned long long idle_count;
unsigned long long idle_enter;
+ unsigned long long idle_exit;
unsigned long long idle_time;
int nohz_delay;
};
DECLARE_PER_CPU(struct s390_idle_data, s390_idle);
-void vtime_start_cpu(__u64 int_clock, __u64 enter_timer);
cputime64_t s390_get_idle_time(int cpu);
#define arch_idle_time(cpu) s390_get_idle_time(cpu)
-static inline void s390_idle_check(struct pt_regs *regs, __u64 int_clock,
- __u64 enter_timer)
-{
- if (regs->psw.mask & PSW_MASK_WAIT)
- vtime_start_cpu(int_clock, enter_timer);
-}
-
static inline int s390_nohz_delay(int cpu)
{
return __get_cpu_var(s390_idle).nohz_delay != 0;
diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h
new file mode 100644
index 00000000000..ecde9417d66
--- /dev/null
+++ b/arch/s390/include/asm/ctl_reg.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright IBM Corp. 1999, 2009
+ *
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#ifndef __ASM_CTL_REG_H
+#define __ASM_CTL_REG_H
+
+#ifdef __s390x__
+
+#define __ctl_load(array, low, high) ({ \
+ typedef struct { char _[sizeof(array)]; } addrtype; \
+ asm volatile( \
+ " lctlg %1,%2,%0\n" \
+ : : "Q" (*(addrtype *)(&array)), \
+ "i" (low), "i" (high)); \
+ })
+
+#define __ctl_store(array, low, high) ({ \
+ typedef struct { char _[sizeof(array)]; } addrtype; \
+ asm volatile( \
+ " stctg %1,%2,%0\n" \
+ : "=Q" (*(addrtype *)(&array)) \
+ : "i" (low), "i" (high)); \
+ })
+
+#else /* __s390x__ */
+
+#define __ctl_load(array, low, high) ({ \
+ typedef struct { char _[sizeof(array)]; } addrtype; \
+ asm volatile( \
+ " lctl %1,%2,%0\n" \
+ : : "Q" (*(addrtype *)(&array)), \
+ "i" (low), "i" (high)); \
+})
+
+#define __ctl_store(array, low, high) ({ \
+ typedef struct { char _[sizeof(array)]; } addrtype; \
+ asm volatile( \
+ " stctl %1,%2,%0\n" \
+ : "=Q" (*(addrtype *)(&array)) \
+ : "i" (low), "i" (high)); \
+ })
+
+#endif /* __s390x__ */
+
+#define __ctl_set_bit(cr, bit) ({ \
+ unsigned long __dummy; \
+ __ctl_store(__dummy, cr, cr); \
+ __dummy |= 1UL << (bit); \
+ __ctl_load(__dummy, cr, cr); \
+})
+
+#define __ctl_clear_bit(cr, bit) ({ \
+ unsigned long __dummy; \
+ __ctl_store(__dummy, cr, cr); \
+ __dummy &= ~(1UL << (bit)); \
+ __ctl_load(__dummy, cr, cr); \
+})
+
+#ifdef CONFIG_SMP
+
+extern void smp_ctl_set_bit(int cr, int bit);
+extern void smp_ctl_clear_bit(int cr, int bit);
+#define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit)
+#define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit)
+
+#else
+
+#define ctl_set_bit(cr, bit) __ctl_set_bit(cr, bit)
+#define ctl_clear_bit(cr, bit) __ctl_clear_bit(cr, bit)
+
+#endif /* CONFIG_SMP */
+
+#endif /* __ASM_CTL_REG_H */
diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index 9d88db1f55d..8a8245ed14d 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -131,6 +131,7 @@ void debug_unregister(debug_info_t* id);
void debug_set_level(debug_info_t* id, int new_level);
+void debug_set_critical(void);
void debug_stop_all(void);
static inline debug_entry_t*
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 547f1a6a35d..c4ee39f7a4d 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -129,7 +129,6 @@ typedef s390_fp_regs compat_elf_fpregset_t;
typedef s390_compat_regs compat_elf_gregset_t;
#include <linux/sched.h> /* for task_struct */
-#include <asm/system.h> /* for save_access_regs */
#include <asm/mmu_context.h>
#include <asm/vdso.h>
diff --git a/arch/s390/include/asm/exec.h b/arch/s390/include/asm/exec.h
new file mode 100644
index 00000000000..c4a93d6327f
--- /dev/null
+++ b/arch/s390/include/asm/exec.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright IBM Corp. 1999, 2009
+ *
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#ifndef __ASM_EXEC_H
+#define __ASM_EXEC_H
+
+extern unsigned long arch_align_stack(unsigned long sp);
+
+#endif /* __ASM_EXEC_H */
diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h
new file mode 100644
index 00000000000..2ee66a65f2d
--- /dev/null
+++ b/arch/s390/include/asm/facility.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright IBM Corp. 1999, 2009
+ *
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#ifndef __ASM_FACILITY_H
+#define __ASM_FACILITY_H
+
+#include <linux/string.h>
+#include <linux/preempt.h>
+#include <asm/lowcore.h>
+
+#define MAX_FACILITY_BIT (256*8) /* stfle_fac_list has 256 bytes */
+
+/*
+ * The test_facility function uses the bit odering where the MSB is bit 0.
+ * That makes it easier to query facility bits with the bit number as
+ * documented in the Principles of Operation.
+ */
+static inline int test_facility(unsigned long nr)
+{
+ unsigned char *ptr;
+
+ if (nr >= MAX_FACILITY_BIT)
+ return 0;
+ ptr = (unsigned char *) &S390_lowcore.stfle_fac_list + (nr >> 3);
+ return (*ptr & (0x80 >> (nr & 7))) != 0;
+}
+
+/**
+ * stfle - Store facility list extended
+ * @stfle_fac_list: array where facility list can be stored
+ * @size: size of passed in array in double words
+ */
+static inline void stfle(u64 *stfle_fac_list, int size)
+{
+ unsigned long nr;
+
+ preempt_disable();
+ asm volatile(
+ " .insn s,0xb2b10000,0(0)\n" /* stfl */
+ "0:\n"
+ EX_TABLE(0b, 0b)
+ : "+m" (S390_lowcore.stfl_fac_list));
+ nr = 4; /* bytes stored by stfl */
+ memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4);
+ if (S390_lowcore.stfl_fac_list & 0x01000000) {
+ /* More facility bits available with stfle */
+ register unsigned long reg0 asm("0") = size - 1;
+
+ asm volatile(".insn s,0xb2b00000,0(%1)" /* stfle */
+ : "+d" (reg0)
+ : "a" (stfle_fac_list)
+ : "memory", "cc");
+ nr = (reg0 + 1) * 8; /* # bytes stored by stfle */
+ }
+ memset((char *) stfle_fac_list + nr, 0, size * 8 - nr);
+ preempt_enable();
+}
+
+#endif /* __ASM_FACILITY_H */
diff --git a/arch/s390/include/asm/hardirq.h b/arch/s390/include/asm/hardirq.h
index e4155d3eb2c..510ba9ef424 100644
--- a/arch/s390/include/asm/hardirq.h
+++ b/arch/s390/include/asm/hardirq.h
@@ -18,6 +18,7 @@
#define __ARCH_IRQ_STAT
#define __ARCH_HAS_DO_SOFTIRQ
+#define __ARCH_IRQ_EXIT_IRQS_DISABLED
#define HARDIRQ_BITS 8
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index 6940abfbe1d..2bd6cb897b9 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -169,5 +169,6 @@ enum diag308_rc {
extern int diag308(unsigned long subcode, void *addr);
extern void diag308_reset(void);
extern void store_status(void);
+extern void lgr_info_log(void);
#endif /* _ASM_S390_IPL_H */
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index ba6d85f88d5..5289cacd486 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -34,11 +34,18 @@ enum interruption_class {
NR_IRQS,
};
-typedef void (*ext_int_handler_t)(unsigned int, unsigned int, unsigned long);
+struct ext_code {
+ unsigned short subcode;
+ unsigned short code;
+};
+
+typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
int register_external_interrupt(u16 code, ext_int_handler_t handler);
int unregister_external_interrupt(u16 code, ext_int_handler_t handler);
void service_subclass_irq_register(void);
void service_subclass_irq_unregister(void);
+void measurement_alert_subclass_register(void);
+void measurement_alert_subclass_unregister(void);
#endif /* _ASM_IRQ_H */
diff --git a/arch/s390/include/asm/jump_label.h b/arch/s390/include/asm/jump_label.h
index 95a6cf2b5b6..6c32190dc73 100644
--- a/arch/s390/include/asm/jump_label.h
+++ b/arch/s390/include/asm/jump_label.h
@@ -13,7 +13,7 @@
#define ASM_ALIGN ".balign 4"
#endif
-static __always_inline bool arch_static_branch(struct jump_label_key *key)
+static __always_inline bool arch_static_branch(struct static_key *key)
{
asm goto("0: brcl 0,0\n"
".pushsection __jump_table, \"aw\"\n"
diff --git a/arch/s390/include/asm/kvm.h b/arch/s390/include/asm/kvm.h
index 82b32a100c7..96076676e22 100644
--- a/arch/s390/include/asm/kvm.h
+++ b/arch/s390/include/asm/kvm.h
@@ -41,4 +41,15 @@ struct kvm_debug_exit_arch {
struct kvm_guest_debug_arch {
};
+#define KVM_SYNC_PREFIX (1UL << 0)
+#define KVM_SYNC_GPRS (1UL << 1)
+#define KVM_SYNC_ACRS (1UL << 2)
+#define KVM_SYNC_CRS (1UL << 3)
+/* definition of registers in kvm_run */
+struct kvm_sync_regs {
+ __u64 prefix; /* prefix register */
+ __u64 gprs[16]; /* general purpose registers */
+ __u32 acrs[16]; /* access registers */
+ __u64 crs[16]; /* control registers */
+};
#endif
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index b0c235cb6ad..7343872890a 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -220,18 +220,17 @@ struct kvm_s390_float_interrupt {
struct list_head list;
atomic_t active;
int next_rr_cpu;
- unsigned long idle_mask [(64 + sizeof(long) - 1) / sizeof(long)];
- struct kvm_s390_local_interrupt *local_int[64];
+ unsigned long idle_mask[(KVM_MAX_VCPUS + sizeof(long) - 1)
+ / sizeof(long)];
+ struct kvm_s390_local_interrupt *local_int[KVM_MAX_VCPUS];
};
struct kvm_vcpu_arch {
struct kvm_s390_sie_block *sie_block;
- unsigned long guest_gprs[16];
s390_fp_regs host_fpregs;
unsigned int host_acrs[NUM_ACRS];
s390_fp_regs guest_fpregs;
- unsigned int guest_acrs[NUM_ACRS];
struct kvm_s390_local_interrupt local_int;
struct hrtimer ckc_timer;
struct tasklet_struct tasklet;
@@ -246,6 +245,9 @@ struct kvm_vm_stat {
u32 remote_tlb_flush;
};
+struct kvm_arch_memory_slot {
+};
+
struct kvm_arch{
struct sca_block *sca;
debug_info_t *dbf;
@@ -253,5 +255,5 @@ struct kvm_arch{
struct gmap *gmap;
};
-extern int sie64a(struct kvm_s390_sie_block *, unsigned long *);
+extern int sie64a(struct kvm_s390_sie_block *, u64 *);
#endif
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 707f2306725..47853debb3b 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -1,5 +1,5 @@
/*
- * Copyright IBM Corp. 1999,2010
+ * Copyright IBM Corp. 1999,2012
* Author(s): Hartmut Penner <hp@de.ibm.com>,
* Martin Schwidefsky <schwidefsky@de.ibm.com>,
* Denis Joseph Barrow,
@@ -12,14 +12,6 @@
#include <asm/ptrace.h>
#include <asm/cpu.h>
-void restart_int_handler(void);
-void ext_int_handler(void);
-void system_call(void);
-void pgm_check_handler(void);
-void mcck_int_handler(void);
-void io_int_handler(void);
-void psw_restart_int_handler(void);
-
#ifdef CONFIG_32BIT
#define LC_ORDER 0
@@ -56,7 +48,7 @@ struct _lowcore {
psw_t mcck_new_psw; /* 0x0070 */
psw_t io_new_psw; /* 0x0078 */
__u32 ext_params; /* 0x0080 */
- __u16 cpu_addr; /* 0x0084 */
+ __u16 ext_cpu_addr; /* 0x0084 */
__u16 ext_int_code; /* 0x0086 */
__u16 svc_ilc; /* 0x0088 */
__u16 svc_code; /* 0x008a */
@@ -117,32 +109,37 @@ struct _lowcore {
__u64 steal_timer; /* 0x0288 */
__u64 last_update_timer; /* 0x0290 */
__u64 last_update_clock; /* 0x0298 */
+ __u64 int_clock; /* 0x02a0 */
+ __u64 mcck_clock; /* 0x02a8 */
+ __u64 clock_comparator; /* 0x02b0 */
/* Current process. */
- __u32 current_task; /* 0x02a0 */
- __u32 thread_info; /* 0x02a4 */
- __u32 kernel_stack; /* 0x02a8 */
+ __u32 current_task; /* 0x02b8 */
+ __u32 thread_info; /* 0x02bc */
+ __u32 kernel_stack; /* 0x02c0 */
+
+ /* Interrupt, panic and restart stack. */
+ __u32 async_stack; /* 0x02c4 */
+ __u32 panic_stack; /* 0x02c8 */
+ __u32 restart_stack; /* 0x02cc */
- /* Interrupt and panic stack. */
- __u32 async_stack; /* 0x02ac */
- __u32 panic_stack; /* 0x02b0 */
+ /* Restart function and parameter. */
+ __u32 restart_fn; /* 0x02d0 */
+ __u32 restart_data; /* 0x02d4 */
+ __u32 restart_source; /* 0x02d8 */
/* Address space pointer. */
- __u32 kernel_asce; /* 0x02b4 */
- __u32 user_asce; /* 0x02b8 */
- __u32 current_pid; /* 0x02bc */
+ __u32 kernel_asce; /* 0x02dc */
+ __u32 user_asce; /* 0x02e0 */
+ __u32 current_pid; /* 0x02e4 */
/* SMP info area */
- __u32 cpu_nr; /* 0x02c0 */
- __u32 softirq_pending; /* 0x02c4 */
- __u32 percpu_offset; /* 0x02c8 */
- __u32 ext_call_fast; /* 0x02cc */
- __u64 int_clock; /* 0x02d0 */
- __u64 mcck_clock; /* 0x02d8 */
- __u64 clock_comparator; /* 0x02e0 */
- __u32 machine_flags; /* 0x02e8 */
- __u32 ftrace_func; /* 0x02ec */
- __u8 pad_0x02f8[0x0300-0x02f0]; /* 0x02f0 */
+ __u32 cpu_nr; /* 0x02e8 */
+ __u32 softirq_pending; /* 0x02ec */
+ __u32 percpu_offset; /* 0x02f0 */
+ __u32 machine_flags; /* 0x02f4 */
+ __u32 ftrace_func; /* 0x02f8 */
+ __u8 pad_0x02fc[0x0300-0x02fc]; /* 0x02fc */
/* Interrupt response block */
__u8 irb[64]; /* 0x0300 */
@@ -157,7 +154,9 @@ struct _lowcore {
__u32 ipib; /* 0x0e00 */
__u32 ipib_checksum; /* 0x0e04 */
__u32 vmcore_info; /* 0x0e08 */
- __u8 pad_0x0e0c[0x0f00-0x0e0c]; /* 0x0e0c */
+ __u8 pad_0x0e0c[0x0e18-0x0e0c]; /* 0x0e0c */
+ __u32 os_info; /* 0x0e18 */
+ __u8 pad_0x0e1c[0x0f00-0x0e1c]; /* 0x0e1c */
/* Extended facility list */
__u64 stfle_fac_list[32]; /* 0x0f00 */
@@ -189,7 +188,7 @@ struct _lowcore {
__u32 ipl_parmblock_ptr; /* 0x0014 */
__u8 pad_0x0018[0x0080-0x0018]; /* 0x0018 */
__u32 ext_params; /* 0x0080 */
- __u16 cpu_addr; /* 0x0084 */
+ __u16 ext_cpu_addr; /* 0x0084 */
__u16 ext_int_code; /* 0x0086 */
__u16 svc_ilc; /* 0x0088 */
__u16 svc_code; /* 0x008a */
@@ -254,34 +253,39 @@ struct _lowcore {
__u64 steal_timer; /* 0x02e0 */
__u64 last_update_timer; /* 0x02e8 */
__u64 last_update_clock; /* 0x02f0 */
+ __u64 int_clock; /* 0x02f8 */
+ __u64 mcck_clock; /* 0x0300 */
+ __u64 clock_comparator; /* 0x0308 */
/* Current process. */
- __u64 current_task; /* 0x02f8 */
- __u64 thread_info; /* 0x0300 */
- __u64 kernel_stack; /* 0x0308 */
+ __u64 current_task; /* 0x0310 */
+ __u64 thread_info; /* 0x0318 */
+ __u64 kernel_stack; /* 0x0320 */
+
+ /* Interrupt, panic and restart stack. */
+ __u64 async_stack; /* 0x0328 */
+ __u64 panic_stack; /* 0x0330 */
+ __u64 restart_stack; /* 0x0338 */
- /* Interrupt and panic stack. */
- __u64 async_stack; /* 0x0310 */
- __u64 panic_stack; /* 0x0318 */
+ /* Restart function and parameter. */
+ __u64 restart_fn; /* 0x0340 */
+ __u64 restart_data; /* 0x0348 */
+ __u64 restart_source; /* 0x0350 */
/* Address space pointer. */
- __u64 kernel_asce; /* 0x0320 */
- __u64 user_asce; /* 0x0328 */
- __u64 current_pid; /* 0x0330 */
+ __u64 kernel_asce; /* 0x0358 */
+ __u64 user_asce; /* 0x0360 */
+ __u64 current_pid; /* 0x0368 */
/* SMP info area */
- __u32 cpu_nr; /* 0x0338 */
- __u32 softirq_pending; /* 0x033c */
- __u64 percpu_offset; /* 0x0340 */
- __u64 ext_call_fast; /* 0x0348 */
- __u64 int_clock; /* 0x0350 */
- __u64 mcck_clock; /* 0x0358 */
- __u64 clock_comparator; /* 0x0360 */
- __u64 vdso_per_cpu_data; /* 0x0368 */
- __u64 machine_flags; /* 0x0370 */
- __u64 ftrace_func; /* 0x0378 */
- __u64 gmap; /* 0x0380 */
- __u8 pad_0x0388[0x0400-0x0388]; /* 0x0388 */
+ __u32 cpu_nr; /* 0x0370 */
+ __u32 softirq_pending; /* 0x0374 */
+ __u64 percpu_offset; /* 0x0378 */
+ __u64 vdso_per_cpu_data; /* 0x0380 */
+ __u64 machine_flags; /* 0x0388 */
+ __u64 ftrace_func; /* 0x0390 */
+ __u64 gmap; /* 0x0398 */
+ __u8 pad_0x03a0[0x0400-0x03a0]; /* 0x03a0 */
/* Interrupt response block. */
__u8 irb[64]; /* 0x0400 */
@@ -298,8 +302,15 @@ struct _lowcore {
*/
__u64 ipib; /* 0x0e00 */
__u32 ipib_checksum; /* 0x0e08 */
- __u64 vmcore_info; /* 0x0e0c */
- __u8 pad_0x0e14[0x0f00-0x0e14]; /* 0x0e14 */
+ /*
+ * Because the vmcore_info pointer is not 8 byte aligned it never
+ * should not be accessed directly. For accessing the pointer, first
+ * copy it to a local pointer variable.
+ */
+ __u8 vmcore_info[8]; /* 0x0e0c */
+ __u8 pad_0x0e14[0x0e18-0x0e14]; /* 0x0e14 */
+ __u64 os_info; /* 0x0e18 */
+ __u8 pad_0x0e20[0x0f00-0x0e20]; /* 0x0e20 */
/* Extended facility list */
__u64 stfle_fac_list[32]; /* 0x0f00 */
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
index 4506791adcd..6340178748b 100644
--- a/arch/s390/include/asm/mmu.h
+++ b/arch/s390/include/asm/mmu.h
@@ -1,6 +1,8 @@
#ifndef __MMU_H
#define __MMU_H
+#include <linux/errno.h>
+
typedef struct {
atomic_t attach_count;
unsigned int flush_mm;
@@ -21,4 +23,18 @@ typedef struct {
.context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list), \
.context.gmap_list = LIST_HEAD_INIT(name.context.gmap_list),
+static inline int tprot(unsigned long addr)
+{
+ int rc = -EFAULT;
+
+ asm volatile(
+ " tprot 0(%1),0\n"
+ "0: ipm %0\n"
+ " srl %0,28\n"
+ "1:\n"
+ EX_TABLE(0b,1b)
+ : "+d" (rc) : "a" (addr) : "cc");
+ return rc;
+}
+
#endif
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index 5682f160ff8..5d09e405c54 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -12,6 +12,7 @@
#include <asm/pgalloc.h>
#include <asm/uaccess.h>
#include <asm/tlbflush.h>
+#include <asm/ctl_reg.h>
#include <asm-generic/mm_hooks.h>
static inline int init_new_context(struct task_struct *tsk,
diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h
new file mode 100644
index 00000000000..d07518af09e
--- /dev/null
+++ b/arch/s390/include/asm/os_info.h
@@ -0,0 +1,50 @@
+/*
+ * OS info memory interface
+ *
+ * Copyright IBM Corp. 2012
+ * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com>
+ */
+#ifndef _ASM_S390_OS_INFO_H
+#define _ASM_S390_OS_INFO_H
+
+#define OS_INFO_VERSION_MAJOR 1
+#define OS_INFO_VERSION_MINOR 1
+#define OS_INFO_MAGIC 0x4f53494e464f535aULL /* OSINFOSZ */
+
+#define OS_INFO_VMCOREINFO 0
+#define OS_INFO_REIPL_BLOCK 1
+#define OS_INFO_INIT_FN 2
+
+struct os_info_entry {
+ u64 addr;
+ u64 size;
+ u32 csum;
+} __packed;
+
+struct os_info {
+ u64 magic;
+ u32 csum;
+ u16 version_major;
+ u16 version_minor;
+ u64 crashkernel_addr;
+ u64 crashkernel_size;
+ struct os_info_entry entry[3];
+ u8 reserved[4004];
+} __packed;
+
+void os_info_init(void);
+void os_info_entry_add(int nr, void *ptr, u64 len);
+void os_info_crashkernel_add(unsigned long base, unsigned long size);
+u32 os_info_csum(struct os_info *os_info);
+
+#ifdef CONFIG_CRASH_DUMP
+void *os_info_old_entry(int nr, unsigned long *size);
+int copy_from_oldmem(void *dest, void *src, size_t count);
+#else
+static inline void *os_info_old_entry(int nr, unsigned long *size)
+{
+ return NULL;
+}
+#endif
+
+#endif /* _ASM_S390_OS_INFO_H */
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index a75f168d271..7941968e12b 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -1,9 +1,16 @@
/*
* Performance event support - s390 specific definitions.
*
- * Copyright 2009 Martin Schwidefsky, IBM Corporation.
+ * Copyright IBM Corp. 2009, 2012
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
+ * Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
*/
-/* Empty, just to avoid compiling error */
+#include <asm/cpu_mf.h>
-#define PERF_EVENT_INDEX_OFFSET 0
+/* CPU-measurement counter facility */
+#define PERF_CPUM_CF_MAX_CTR 160
+
+/* Per-CPU flags for PMU states */
+#define PMU_F_RESERVED 0x1000
+#define PMU_F_ENABLED 0x2000
diff --git a/arch/s390/include/asm/posix_types.h b/arch/s390/include/asm/posix_types.h
index 8cc113f9252..edf8527ff08 100644
--- a/arch/s390/include/asm/posix_types.h
+++ b/arch/s390/include/asm/posix_types.h
@@ -3,7 +3,6 @@
*
* S390 version
*
- * Derived from "include/asm-i386/posix_types.h"
*/
#ifndef __ARCH_S390_POSIX_TYPES_H
@@ -15,22 +14,11 @@
* assume GCC is being used.
*/
-typedef long __kernel_off_t;
-typedef int __kernel_pid_t;
typedef unsigned long __kernel_size_t;
-typedef long __kernel_time_t;
-typedef long __kernel_suseconds_t;
-typedef long __kernel_clock_t;
-typedef int __kernel_timer_t;
-typedef int __kernel_clockid_t;
-typedef int __kernel_daddr_t;
-typedef char * __kernel_caddr_t;
-typedef unsigned short __kernel_uid16_t;
-typedef unsigned short __kernel_gid16_t;
+#define __kernel_size_t __kernel_size_t
-#ifdef __GNUC__
-typedef long long __kernel_loff_t;
-#endif
+typedef unsigned short __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
#ifndef __s390x__
@@ -42,11 +30,6 @@ typedef unsigned short __kernel_uid_t;
typedef unsigned short __kernel_gid_t;
typedef int __kernel_ssize_t;
typedef int __kernel_ptrdiff_t;
-typedef unsigned int __kernel_uid32_t;
-typedef unsigned int __kernel_gid32_t;
-typedef unsigned short __kernel_old_uid_t;
-typedef unsigned short __kernel_old_gid_t;
-typedef unsigned short __kernel_old_dev_t;
#else /* __s390x__ */
@@ -59,49 +42,16 @@ typedef unsigned int __kernel_gid_t;
typedef long __kernel_ssize_t;
typedef long __kernel_ptrdiff_t;
typedef unsigned long __kernel_sigset_t; /* at least 32 bits */
-typedef __kernel_uid_t __kernel_old_uid_t;
-typedef __kernel_gid_t __kernel_old_gid_t;
-typedef __kernel_uid_t __kernel_uid32_t;
-typedef __kernel_gid_t __kernel_gid32_t;
-typedef unsigned short __kernel_old_dev_t;
#endif /* __s390x__ */
-typedef struct {
- int val[2];
-} __kernel_fsid_t;
-
-
-#ifdef __KERNEL__
-
-#undef __FD_SET
-static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
- unsigned long _tmp = fd / __NFDBITS;
- unsigned long _rem = fd % __NFDBITS;
- fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
- unsigned long _tmp = fd / __NFDBITS;
- unsigned long _rem = fd % __NFDBITS;
- fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static inline int __FD_ISSET(unsigned long fd, const __kernel_fd_set *fdsetp)
-{
- unsigned long _tmp = fd / __NFDBITS;
- unsigned long _rem = fd % __NFDBITS;
- return (fdsetp->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-#undef __FD_ZERO
-#define __FD_ZERO(fdsetp) \
- ((void) memset ((void *) (fdsetp), 0, sizeof (__kernel_fd_set)))
+#define __kernel_ino_t __kernel_ino_t
+#define __kernel_mode_t __kernel_mode_t
+#define __kernel_nlink_t __kernel_nlink_t
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+#define __kernel_uid_t __kernel_uid_t
+#define __kernel_gid_t __kernel_gid_t
-#endif /* __KERNEL__ */
+#include <asm-generic/posix_types.h>
#endif
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index d25843a6a91..d499b30ea48 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -14,6 +14,7 @@
#define __ASM_S390_PROCESSOR_H
#include <linux/linkage.h>
+#include <linux/irqflags.h>
#include <asm/cpu.h>
#include <asm/page.h>
#include <asm/ptrace.h>
@@ -156,6 +157,14 @@ unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->psw.addr)
#define KSTK_ESP(tsk) (task_pt_regs(tsk)->gprs[15])
+static inline unsigned short stap(void)
+{
+ unsigned short cpu_address;
+
+ asm volatile("stap %0" : "=m" (cpu_address));
+ return cpu_address;
+}
+
/*
* Give up the time slice of the virtual PU.
*/
@@ -304,6 +313,21 @@ static inline void __noreturn disabled_wait(unsigned long code)
}
/*
+ * Use to set psw mask except for the first byte which
+ * won't be changed by this function.
+ */
+static inline void
+__set_psw_mask(unsigned long mask)
+{
+ __load_psw_mask(mask | (arch_local_save_flags() & ~(-1UL >> 8)));
+}
+
+#define local_mcck_enable() \
+ __set_psw_mask(psw_kernel_bits | PSW_MASK_DAT | PSW_MASK_MCHECK)
+#define local_mcck_disable() \
+ __set_psw_mask(psw_kernel_bits | PSW_MASK_DAT)
+
+/*
* Basic Machine Check/Program Check Handler.
*/
diff --git a/arch/s390/include/asm/qeth.h b/arch/s390/include/asm/qeth.h
index 90efda0b137..2c7c898c03e 100644
--- a/arch/s390/include/asm/qeth.h
+++ b/arch/s390/include/asm/qeth.h
@@ -20,6 +20,7 @@
#define SIOC_QETH_ARP_FLUSH_CACHE (SIOCDEVPRIVATE + 4)
#define SIOC_QETH_ADP_SET_SNMP_CONTROL (SIOCDEVPRIVATE + 5)
#define SIOC_QETH_GET_CARD_TYPE (SIOCDEVPRIVATE + 6)
+#define SIOC_QETH_QUERY_OAT (SIOCDEVPRIVATE + 7)
struct qeth_arp_cache_entry {
__u8 macaddr[6];
@@ -107,4 +108,10 @@ struct qeth_arp_query_user_data {
char *entries;
} __attribute__((packed));
+struct qeth_query_oat_data {
+ __u32 command;
+ __u32 buffer_len;
+ __u32 response_len;
+ __u64 ptr;
+};
#endif /* __ASM_S390_QETH_IOCTL_H__ */
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 097183c7040..b21e46e5d4b 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -140,6 +140,20 @@ extern char vmpoff_cmd[];
#define NSS_NAME_SIZE 8
extern char kernel_nss_name[];
+#ifdef CONFIG_PFAULT
+extern int pfault_init(void);
+extern void pfault_fini(void);
+#else /* CONFIG_PFAULT */
+#define pfault_init() ({-1;})
+#define pfault_fini() do { } while (0)
+#endif /* CONFIG_PFAULT */
+
+extern void cmma_init(void);
+
+extern void (*_machine_restart)(char *command);
+extern void (*_machine_halt)(void);
+extern void (*_machine_power_off)(void);
+
#else /* __ASSEMBLY__ */
#ifndef __s390x__
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
deleted file mode 100644
index 7040b8567cd..00000000000
--- a/arch/s390/include/asm/sigp.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Routines and structures for signalling other processors.
- *
- * Copyright IBM Corp. 1999,2010
- * Author(s): Denis Joseph Barrow,
- * Martin Schwidefsky <schwidefsky@de.ibm.com>,
- * Heiko Carstens <heiko.carstens@de.ibm.com>,
- */
-
-#ifndef __ASM_SIGP_H
-#define __ASM_SIGP_H
-
-#include <asm/system.h>
-
-/* Get real cpu address from logical cpu number. */
-extern unsigned short __cpu_logical_map[];
-
-static inline int cpu_logical_map(int cpu)
-{
-#ifdef CONFIG_SMP
- return __cpu_logical_map[cpu];
-#else
- return stap();
-#endif
-}
-
-enum {
- sigp_sense = 1,
- sigp_external_call = 2,
- sigp_emergency_signal = 3,
- sigp_start = 4,
- sigp_stop = 5,
- sigp_restart = 6,
- sigp_stop_and_store_status = 9,
- sigp_initial_cpu_reset = 11,
- sigp_cpu_reset = 12,
- sigp_set_prefix = 13,
- sigp_store_status_at_address = 14,
- sigp_store_extended_status_at_address = 15,
- sigp_set_architecture = 18,
- sigp_conditional_emergency_signal = 19,
- sigp_sense_running = 21,
-};
-
-enum {
- sigp_order_code_accepted = 0,
- sigp_status_stored = 1,
- sigp_busy = 2,
- sigp_not_operational = 3,
-};
-
-/*
- * Definitions for external call.
- */
-enum {
- ec_schedule = 0,
- ec_call_function,
- ec_call_function_single,
- ec_stop_cpu,
-};
-
-/*
- * Signal processor.
- */
-static inline int raw_sigp(u16 cpu, int order)
-{
- register unsigned long reg1 asm ("1") = 0;
- int ccode;
-
- asm volatile(
- " sigp %1,%2,0(%3)\n"
- " ipm %0\n"
- " srl %0,28\n"
- : "=d" (ccode)
- : "d" (reg1), "d" (cpu),
- "a" (order) : "cc" , "memory");
- return ccode;
-}
-
-/*
- * Signal processor with parameter.
- */
-static inline int raw_sigp_p(u32 parameter, u16 cpu, int order)
-{
- register unsigned int reg1 asm ("1") = parameter;
- int ccode;
-
- asm volatile(
- " sigp %1,%2,0(%3)\n"
- " ipm %0\n"
- " srl %0,28\n"
- : "=d" (ccode)
- : "d" (reg1), "d" (cpu),
- "a" (order) : "cc" , "memory");
- return ccode;
-}
-
-/*
- * Signal processor with parameter and return status.
- */
-static inline int raw_sigp_ps(u32 *status, u32 parm, u16 cpu, int order)
-{
- register unsigned int reg1 asm ("1") = parm;
- int ccode;
-
- asm volatile(
- " sigp %1,%2,0(%3)\n"
- " ipm %0\n"
- " srl %0,28\n"
- : "=d" (ccode), "+d" (reg1)
- : "d" (cpu), "a" (order)
- : "cc" , "memory");
- *status = reg1;
- return ccode;
-}
-
-static inline int sigp(int cpu, int order)
-{
- return raw_sigp(cpu_logical_map(cpu), order);
-}
-
-static inline int sigp_p(u32 parameter, int cpu, int order)
-{
- return raw_sigp_p(parameter, cpu_logical_map(cpu), order);
-}
-
-static inline int sigp_ps(u32 *status, u32 parm, int cpu, int order)
-{
- return raw_sigp_ps(status, parm, cpu_logical_map(cpu), order);
-}
-
-#endif /* __ASM_SIGP_H */
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index c32e9123b40..c77c6de6f6c 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -1,5 +1,5 @@
/*
- * Copyright IBM Corp. 1999,2009
+ * Copyright IBM Corp. 1999,2012
* Author(s): Denis Joseph Barrow,
* Martin Schwidefsky <schwidefsky@de.ibm.com>,
* Heiko Carstens <heiko.carstens@de.ibm.com>,
@@ -9,72 +9,53 @@
#ifdef CONFIG_SMP
-#include <asm/system.h>
-#include <asm/sigp.h>
-
-extern void machine_restart_smp(char *);
-extern void machine_halt_smp(void);
-extern void machine_power_off_smp(void);
+#include <asm/lowcore.h>
#define raw_smp_processor_id() (S390_lowcore.cpu_nr)
-extern int __cpu_disable (void);
-extern void __cpu_die (unsigned int cpu);
-extern int __cpu_up (unsigned int cpu);
-
extern struct mutex smp_cpu_state_mutex;
+extern struct save_area *zfcpdump_save_areas[NR_CPUS + 1];
+
+extern int __cpu_up(unsigned int cpu);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-extern struct save_area *zfcpdump_save_areas[NR_CPUS + 1];
-
-extern void smp_switch_to_ipl_cpu(void (*func)(void *), void *);
-extern void smp_switch_to_cpu(void (*)(void *), void *, unsigned long sp,
- int from, int to);
-extern void smp_restart_with_online_cpu(void);
-extern void smp_restart_cpu(void);
+extern void smp_call_online_cpu(void (*func)(void *), void *);
+extern void smp_call_ipl_cpu(void (*func)(void *), void *);
-/*
- * returns 1 if (virtual) cpu is scheduled
- * returns 0 otherwise
- */
-static inline int smp_vcpu_scheduled(int cpu)
-{
- u32 status;
-
- switch (sigp_ps(&status, 0, cpu, sigp_sense_running)) {
- case sigp_status_stored:
- /* Check for running status */
- if (status & 0x400)
- return 0;
- break;
- case sigp_not_operational:
- return 0;
- default:
- break;
- }
- return 1;
-}
+extern int smp_find_processor_id(u16 address);
+extern int smp_store_status(int cpu);
+extern int smp_vcpu_scheduled(int cpu);
+extern void smp_yield_cpu(int cpu);
+extern void smp_yield(void);
+extern void smp_stop_cpu(void);
#else /* CONFIG_SMP */
-static inline void smp_switch_to_ipl_cpu(void (*func)(void *), void *data)
+static inline void smp_call_ipl_cpu(void (*func)(void *), void *data)
{
func(data);
}
-static inline void smp_restart_with_online_cpu(void)
+static inline void smp_call_online_cpu(void (*func)(void *), void *data)
{
+ func(data);
}
-#define smp_vcpu_scheduled (1)
+static inline int smp_find_processor_id(int address) { return 0; }
+static inline int smp_vcpu_scheduled(int cpu) { return 1; }
+static inline void smp_yield_cpu(int cpu) { }
+static inline void smp_yield(void) { }
+static inline void smp_stop_cpu(void) { }
#endif /* CONFIG_SMP */
#ifdef CONFIG_HOTPLUG_CPU
extern int smp_rescan_cpus(void);
extern void __noreturn cpu_die(void);
+extern void __cpu_die(unsigned int cpu);
+extern int __cpu_disable(void);
#else
static inline int smp_rescan_cpus(void) { return 0; }
static inline void cpu_die(void) { }
diff --git a/arch/s390/include/asm/socket.h b/arch/s390/include/asm/socket.h
index 67b5c1b14b5..c91b720965c 100644
--- a/arch/s390/include/asm/socket.h
+++ b/arch/s390/include/asm/socket.h
@@ -72,5 +72,9 @@
#define SO_WIFI_STATUS 41
#define SCM_WIFI_STATUS SO_WIFI_STATUS
+#define SO_PEEK_OFF 42
+
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS 43
#endif /* _ASM_SOCKET_H */
diff --git a/arch/s390/include/asm/swab.h b/arch/s390/include/asm/swab.h
index 6bdee21c077..a3e4ebb3209 100644
--- a/arch/s390/include/asm/swab.h
+++ b/arch/s390/include/asm/swab.h
@@ -77,7 +77,7 @@ static inline __u16 __arch_swab16p(const __u16 *x)
asm volatile(
#ifndef __s390x__
- " icm %0,2,%O+1(%R1)\n"
+ " icm %0,2,%O1+1(%R1)\n"
" ic %0,%1\n"
: "=&d" (result) : "Q" (*x) : "cc");
#else /* __s390x__ */
diff --git a/arch/s390/include/asm/switch_to.h b/arch/s390/include/asm/switch_to.h
new file mode 100644
index 00000000000..f223068b782
--- /dev/null
+++ b/arch/s390/include/asm/switch_to.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright IBM Corp. 1999, 2009
+ *
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#ifndef __ASM_SWITCH_TO_H
+#define __ASM_SWITCH_TO_H
+
+#include <linux/thread_info.h>
+
+extern struct task_struct *__switch_to(void *, void *);
+extern void update_per_regs(struct task_struct *task);
+
+static inline void save_fp_regs(s390_fp_regs *fpregs)
+{
+ asm volatile(
+ " std 0,%O0+8(%R0)\n"
+ " std 2,%O0+24(%R0)\n"
+ " std 4,%O0+40(%R0)\n"
+ " std 6,%O0+56(%R0)"
+ : "=Q" (*fpregs) : "Q" (*fpregs));
+ if (!MACHINE_HAS_IEEE)
+ return;
+ asm volatile(
+ " stfpc %0\n"
+ " std 1,%O0+16(%R0)\n"
+ " std 3,%O0+32(%R0)\n"
+ " std 5,%O0+48(%R0)\n"
+ " std 7,%O0+64(%R0)\n"
+ " std 8,%O0+72(%R0)\n"
+ " std 9,%O0+80(%R0)\n"
+ " std 10,%O0+88(%R0)\n"
+ " std 11,%O0+96(%R0)\n"
+ " std 12,%O0+104(%R0)\n"
+ " std 13,%O0+112(%R0)\n"
+ " std 14,%O0+120(%R0)\n"
+ " std 15,%O0+128(%R0)\n"
+ : "=Q" (*fpregs) : "Q" (*fpregs));
+}
+
+static inline void restore_fp_regs(s390_fp_regs *fpregs)
+{
+ asm volatile(
+ " ld 0,%O0+8(%R0)\n"
+ " ld 2,%O0+24(%R0)\n"
+ " ld 4,%O0+40(%R0)\n"
+ " ld 6,%O0+56(%R0)"
+ : : "Q" (*fpregs));
+ if (!MACHINE_HAS_IEEE)
+ return;
+ asm volatile(
+ " lfpc %0\n"
+ " ld 1,%O0+16(%R0)\n"
+ " ld 3,%O0+32(%R0)\n"
+ " ld 5,%O0+48(%R0)\n"
+ " ld 7,%O0+64(%R0)\n"
+ " ld 8,%O0+72(%R0)\n"
+ " ld 9,%O0+80(%R0)\n"
+ " ld 10,%O0+88(%R0)\n"
+ " ld 11,%O0+96(%R0)\n"
+ " ld 12,%O0+104(%R0)\n"
+ " ld 13,%O0+112(%R0)\n"
+ " ld 14,%O0+120(%R0)\n"
+ " ld 15,%O0+128(%R0)\n"
+ : : "Q" (*fpregs));
+}
+
+static inline void save_access_regs(unsigned int *acrs)
+{
+ asm volatile("stam 0,15,%0" : "=Q" (*acrs));
+}
+
+static inline void restore_access_regs(unsigned int *acrs)
+{
+ asm volatile("lam 0,15,%0" : : "Q" (*acrs));
+}
+
+#define switch_to(prev,next,last) do { \
+ if (prev->mm) { \
+ save_fp_regs(&prev->thread.fp_regs); \
+ save_access_regs(&prev->thread.acrs[0]); \
+ } \
+ if (next->mm) { \
+ restore_fp_regs(&next->thread.fp_regs); \
+ restore_access_regs(&next->thread.acrs[0]); \
+ update_per_regs(next); \
+ } \
+ prev = __switch_to(prev,next); \
+} while (0)
+
+extern void account_vtime(struct task_struct *, struct task_struct *);
+extern void account_tick_vtime(struct task_struct *);
+
+#define finish_arch_switch(prev) do { \
+ set_fs(current->thread.mm_segment); \
+ account_vtime(prev, current); \
+} while (0)
+
+#endif /* __ASM_SWITCH_TO_H */
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
deleted file mode 100644
index d73cc6b6000..00000000000
--- a/arch/s390/include/asm/system.h
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * Copyright IBM Corp. 1999, 2009
- *
- * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
- */
-
-#ifndef __ASM_SYSTEM_H
-#define __ASM_SYSTEM_H
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <asm/types.h>
-#include <asm/ptrace.h>
-#include <asm/setup.h>
-#include <asm/processor.h>
-#include <asm/lowcore.h>
-#include <asm/cmpxchg.h>
-
-#ifdef __KERNEL__
-
-struct task_struct;
-
-extern struct task_struct *__switch_to(void *, void *);
-extern void update_per_regs(struct task_struct *task);
-
-static inline void save_fp_regs(s390_fp_regs *fpregs)
-{
- asm volatile(
- " std 0,%O0+8(%R0)\n"
- " std 2,%O0+24(%R0)\n"
- " std 4,%O0+40(%R0)\n"
- " std 6,%O0+56(%R0)"
- : "=Q" (*fpregs) : "Q" (*fpregs));
- if (!MACHINE_HAS_IEEE)
- return;
- asm volatile(
- " stfpc %0\n"
- " std 1,%O0+16(%R0)\n"
- " std 3,%O0+32(%R0)\n"
- " std 5,%O0+48(%R0)\n"
- " std 7,%O0+64(%R0)\n"
- " std 8,%O0+72(%R0)\n"
- " std 9,%O0+80(%R0)\n"
- " std 10,%O0+88(%R0)\n"
- " std 11,%O0+96(%R0)\n"
- " std 12,%O0+104(%R0)\n"
- " std 13,%O0+112(%R0)\n"
- " std 14,%O0+120(%R0)\n"
- " std 15,%O0+128(%R0)\n"
- : "=Q" (*fpregs) : "Q" (*fpregs));
-}
-
-static inline void restore_fp_regs(s390_fp_regs *fpregs)
-{
- asm volatile(
- " ld 0,%O0+8(%R0)\n"
- " ld 2,%O0+24(%R0)\n"
- " ld 4,%O0+40(%R0)\n"
- " ld 6,%O0+56(%R0)"
- : : "Q" (*fpregs));
- if (!MACHINE_HAS_IEEE)
- return;
- asm volatile(
- " lfpc %0\n"
- " ld 1,%O0+16(%R0)\n"
- " ld 3,%O0+32(%R0)\n"
- " ld 5,%O0+48(%R0)\n"
- " ld 7,%O0+64(%R0)\n"
- " ld 8,%O0+72(%R0)\n"
- " ld 9,%O0+80(%R0)\n"
- " ld 10,%O0+88(%R0)\n"
- " ld 11,%O0+96(%R0)\n"
- " ld 12,%O0+104(%R0)\n"
- " ld 13,%O0+112(%R0)\n"
- " ld 14,%O0+120(%R0)\n"
- " ld 15,%O0+128(%R0)\n"
- : : "Q" (*fpregs));
-}
-
-static inline void save_access_regs(unsigned int *acrs)
-{
- asm volatile("stam 0,15,%0" : "=Q" (*acrs));
-}
-
-static inline void restore_access_regs(unsigned int *acrs)
-{
- asm volatile("lam 0,15,%0" : : "Q" (*acrs));
-}
-
-#define switch_to(prev,next,last) do { \
- if (prev->mm) { \
- save_fp_regs(&prev->thread.fp_regs); \
- save_access_regs(&prev->thread.acrs[0]); \
- } \
- if (next->mm) { \
- restore_fp_regs(&next->thread.fp_regs); \
- restore_access_regs(&next->thread.acrs[0]); \
- update_per_regs(next); \
- } \
- prev = __switch_to(prev,next); \
-} while (0)
-
-extern void account_vtime(struct task_struct *, struct task_struct *);
-extern void account_tick_vtime(struct task_struct *);
-
-#ifdef CONFIG_PFAULT
-extern int pfault_init(void);
-extern void pfault_fini(void);
-#else /* CONFIG_PFAULT */
-#define pfault_init() ({-1;})
-#define pfault_fini() do { } while (0)
-#endif /* CONFIG_PFAULT */
-
-extern void cmma_init(void);
-extern int memcpy_real(void *, void *, size_t);
-extern void copy_to_absolute_zero(void *dest, void *src, size_t count);
-extern int copy_to_user_real(void __user *dest, void *src, size_t count);
-extern int copy_from_user_real(void *dest, void __user *src, size_t count);
-
-#define finish_arch_switch(prev) do { \
- set_fs(current->thread.mm_segment); \
- account_vtime(prev, current); \
-} while (0)
-
-#define nop() asm volatile("nop")
-
-/*
- * Force strict CPU ordering.
- * And yes, this is required on UP too when we're talking
- * to devices.
- *
- * This is very similar to the ppc eieio/sync instruction in that is
- * does a checkpoint syncronisation & makes sure that
- * all memory ops have completed wrt other CPU's ( see 7-15 POP DJB ).
- */
-
-#define eieio() asm volatile("bcr 15,0" : : : "memory")
-#define SYNC_OTHER_CORES(x) eieio()
-#define mb() eieio()
-#define rmb() eieio()
-#define wmb() eieio()
-#define read_barrier_depends() do { } while(0)
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_read_barrier_depends() read_barrier_depends()
-#define smp_mb__before_clear_bit() smp_mb()
-#define smp_mb__after_clear_bit() smp_mb()
-
-
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-
-#ifdef __s390x__
-
-#define __ctl_load(array, low, high) ({ \
- typedef struct { char _[sizeof(array)]; } addrtype; \
- asm volatile( \
- " lctlg %1,%2,%0\n" \
- : : "Q" (*(addrtype *)(&array)), \
- "i" (low), "i" (high)); \
- })
-
-#define __ctl_store(array, low, high) ({ \
- typedef struct { char _[sizeof(array)]; } addrtype; \
- asm volatile( \
- " stctg %1,%2,%0\n" \
- : "=Q" (*(addrtype *)(&array)) \
- : "i" (low), "i" (high)); \
- })
-
-#else /* __s390x__ */
-
-#define __ctl_load(array, low, high) ({ \
- typedef struct { char _[sizeof(array)]; } addrtype; \
- asm volatile( \
- " lctl %1,%2,%0\n" \
- : : "Q" (*(addrtype *)(&array)), \
- "i" (low), "i" (high)); \
-})
-
-#define __ctl_store(array, low, high) ({ \
- typedef struct { char _[sizeof(array)]; } addrtype; \
- asm volatile( \
- " stctl %1,%2,%0\n" \
- : "=Q" (*(addrtype *)(&array)) \
- : "i" (low), "i" (high)); \
- })
-
-#endif /* __s390x__ */
-
-#define __ctl_set_bit(cr, bit) ({ \
- unsigned long __dummy; \
- __ctl_store(__dummy, cr, cr); \
- __dummy |= 1UL << (bit); \
- __ctl_load(__dummy, cr, cr); \
-})
-
-#define __ctl_clear_bit(cr, bit) ({ \
- unsigned long __dummy; \
- __ctl_store(__dummy, cr, cr); \
- __dummy &= ~(1UL << (bit)); \
- __ctl_load(__dummy, cr, cr); \
-})
-
-/*
- * Use to set psw mask except for the first byte which
- * won't be changed by this function.
- */
-static inline void
-__set_psw_mask(unsigned long mask)
-{
- __load_psw_mask(mask | (arch_local_save_flags() & ~(-1UL >> 8)));
-}
-
-#define local_mcck_enable() \
- __set_psw_mask(psw_kernel_bits | PSW_MASK_DAT | PSW_MASK_MCHECK)
-#define local_mcck_disable() \
- __set_psw_mask(psw_kernel_bits | PSW_MASK_DAT)
-
-#ifdef CONFIG_SMP
-
-extern void smp_ctl_set_bit(int cr, int bit);
-extern void smp_ctl_clear_bit(int cr, int bit);
-#define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit)
-#define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit)
-
-#else
-
-#define ctl_set_bit(cr, bit) __ctl_set_bit(cr, bit)
-#define ctl_clear_bit(cr, bit) __ctl_clear_bit(cr, bit)
-
-#endif /* CONFIG_SMP */
-
-#define MAX_FACILITY_BIT (256*8) /* stfle_fac_list has 256 bytes */
-
-/*
- * The test_facility function uses the bit odering where the MSB is bit 0.
- * That makes it easier to query facility bits with the bit number as
- * documented in the Principles of Operation.
- */
-static inline int test_facility(unsigned long nr)
-{
- unsigned char *ptr;
-
- if (nr >= MAX_FACILITY_BIT)
- return 0;
- ptr = (unsigned char *) &S390_lowcore.stfle_fac_list + (nr >> 3);
- return (*ptr & (0x80 >> (nr & 7))) != 0;
-}
-
-static inline unsigned short stap(void)
-{
- unsigned short cpu_address;
-
- asm volatile("stap %0" : "=m" (cpu_address));
- return cpu_address;
-}
-
-extern void (*_machine_restart)(char *command);
-extern void (*_machine_halt)(void);
-extern void (*_machine_power_off)(void);
-
-extern unsigned long arch_align_stack(unsigned long sp);
-
-static inline int tprot(unsigned long addr)
-{
- int rc = -EFAULT;
-
- asm volatile(
- " tprot 0(%1),0\n"
- "0: ipm %0\n"
- " srl %0,28\n"
- "1:\n"
- EX_TABLE(0b,1b)
- : "+d" (rc) : "a" (addr) : "cc");
- return rc;
-}
-
-#endif /* __KERNEL__ */
-
-#endif
diff --git a/arch/s390/include/asm/timer.h b/arch/s390/include/asm/timer.h
index 814243cafdf..e63069ba39e 100644
--- a/arch/s390/include/asm/timer.h
+++ b/arch/s390/include/asm/timer.h
@@ -33,8 +33,8 @@ struct vtimer_queue {
spinlock_t lock;
__u64 timer; /* last programmed timer */
__u64 elapsed; /* elapsed time of timer expire values */
- __u64 idle; /* temp var for idle */
- int do_spt; /* =1: reprogram cpu timer in idle */
+ __u64 idle_enter; /* cpu timer on idle enter */
+ __u64 idle_exit; /* cpu timer on idle exit */
};
extern void init_virt_timer(struct vtimer_list *timer);
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 2b23885e81e..8f2cada4f7c 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -16,6 +16,7 @@
*/
#include <linux/sched.h>
#include <linux/errno.h>
+#include <asm/ctl_reg.h>
#define VERIFY_READ 0
#define VERIFY_WRITE 1
@@ -375,4 +376,9 @@ clear_user(void __user *to, unsigned long n)
return n;
}
+extern int memcpy_real(void *, void *, size_t);
+extern void copy_to_absolute_zero(void *dest, void *src, size_t count);
+extern int copy_to_user_real(void __user *dest, void *src, size_t count);
+extern int copy_from_user_real(void *dest, void __user *src, size_t count);
+
#endif /* __S390_UACCESS_H */
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h
index 533f35751ae..c4a11cfad3c 100644
--- a/arch/s390/include/asm/vdso.h
+++ b/arch/s390/include/asm/vdso.h
@@ -40,8 +40,8 @@ struct vdso_per_cpu_data {
extern struct vdso_data *vdso_data;
#ifdef CONFIG_64BIT
-int vdso_alloc_per_cpu(int cpu, struct _lowcore *lowcore);
-void vdso_free_per_cpu(int cpu, struct _lowcore *lowcore);
+int vdso_alloc_per_cpu(struct _lowcore *lowcore);
+void vdso_free_per_cpu(struct _lowcore *lowcore);
#endif
#endif /* __ASSEMBLY__ */