diff options
Diffstat (limited to 'include/asm-s390')
-rw-r--r-- | include/asm-s390/cio.h | 4 | ||||
-rw-r--r-- | include/asm-s390/cpu.h | 8 | ||||
-rw-r--r-- | include/asm-s390/debug.h | 5 | ||||
-rw-r--r-- | include/asm-s390/extmem.h | 11 | ||||
-rw-r--r-- | include/asm-s390/hardirq.h | 2 | ||||
-rw-r--r-- | include/asm-s390/lowcore.h | 11 | ||||
-rw-r--r-- | include/asm-s390/processor.h | 7 | ||||
-rw-r--r-- | include/asm-s390/semaphore.h | 108 | ||||
-rw-r--r-- | include/asm-s390/smp.h | 3 | ||||
-rw-r--r-- | include/asm-s390/sysinfo.h | 116 | ||||
-rw-r--r-- | include/asm-s390/system.h | 2 | ||||
-rw-r--r-- | include/asm-s390/timex.h | 13 | ||||
-rw-r--r-- | include/asm-s390/tlbflush.h | 36 | ||||
-rw-r--r-- | include/asm-s390/topology.h | 23 |
14 files changed, 213 insertions, 136 deletions
diff --git a/include/asm-s390/cio.h b/include/asm-s390/cio.h index 123b557c3ff4..0818ecd30ca6 100644 --- a/include/asm-s390/cio.h +++ b/include/asm-s390/cio.h @@ -397,6 +397,10 @@ struct cio_iplinfo { extern int cio_get_iplinfo(struct cio_iplinfo *iplinfo); +/* Function from drivers/s390/cio/chsc.c */ +int chsc_sstpc(void *page, unsigned int op, u16 ctrl); +int chsc_sstpi(void *page, void *result, size_t size); + #endif #endif diff --git a/include/asm-s390/cpu.h b/include/asm-s390/cpu.h index 352dde194f3c..e5a6a9ba3adf 100644 --- a/include/asm-s390/cpu.h +++ b/include/asm-s390/cpu.h @@ -22,4 +22,12 @@ struct s390_idle_data { DECLARE_PER_CPU(struct s390_idle_data, s390_idle); +void s390_idle_leave(void); + +static inline void s390_idle_check(void) +{ + if ((&__get_cpu_var(s390_idle))->in_idle) + s390_idle_leave(); +} + #endif /* _ASM_S390_CPU_H_ */ diff --git a/include/asm-s390/debug.h b/include/asm-s390/debug.h index c00dd2b3dc50..335baf4fc64f 100644 --- a/include/asm-s390/debug.h +++ b/include/asm-s390/debug.h @@ -73,6 +73,7 @@ typedef struct debug_info { struct dentry* debugfs_entries[DEBUG_MAX_VIEWS]; struct debug_view* views[DEBUG_MAX_VIEWS]; char name[DEBUG_MAX_NAME_LEN]; + mode_t mode; } debug_info_t; typedef int (debug_header_proc_t) (debug_info_t* id, @@ -122,6 +123,10 @@ debug_entry_t* debug_exception_common(debug_info_t* id, int level, debug_info_t* debug_register(char* name, int pages, int nr_areas, int buf_size); +debug_info_t *debug_register_mode(char *name, int pages, int nr_areas, + int buf_size, mode_t mode, uid_t uid, + gid_t gid); + void debug_unregister(debug_info_t* id); void debug_set_level(debug_info_t* id, int new_level); diff --git a/include/asm-s390/extmem.h b/include/asm-s390/extmem.h index c8802c934b74..33837d756184 100644 --- a/include/asm-s390/extmem.h +++ b/include/asm-s390/extmem.h @@ -22,11 +22,12 @@ #define SEGMENT_SHARED 0 #define SEGMENT_EXCLUSIVE 1 -extern int segment_load (char *name,int segtype,unsigned long *addr,unsigned long *length); -extern void segment_unload(char *name); -extern void segment_save(char *name); -extern int segment_type (char* name); -extern int segment_modify_shared (char *name, int do_nonshared); +int segment_load (char *name, int segtype, unsigned long *addr, unsigned long *length); +void segment_unload(char *name); +void segment_save(char *name); +int segment_type (char* name); +int segment_modify_shared (char *name, int do_nonshared); +void segment_warning(int rc, char *seg_name); #endif #endif diff --git a/include/asm-s390/hardirq.h b/include/asm-s390/hardirq.h index 31beb18cb3d1..4b7cb964ff35 100644 --- a/include/asm-s390/hardirq.h +++ b/include/asm-s390/hardirq.h @@ -32,6 +32,6 @@ typedef struct { #define HARDIRQ_BITS 8 -extern void account_ticks(u64 time); +void clock_comparator_work(void); #endif /* __ASM_HARDIRQ_H */ diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h index 801a6fd35b5b..5de3efb31445 100644 --- a/include/asm-s390/lowcore.h +++ b/include/asm-s390/lowcore.h @@ -56,6 +56,8 @@ #define __LC_IO_INT_WORD 0x0C0 #define __LC_MCCK_CODE 0x0E8 +#define __LC_LAST_BREAK 0x110 + #define __LC_RETURN_PSW 0x200 #define __LC_SAVE_AREA 0xC00 @@ -80,7 +82,6 @@ #define __LC_CPUID 0xC60 #define __LC_CPUADDR 0xC68 #define __LC_IPLDEV 0xC7C -#define __LC_JIFFY_TIMER 0xC80 #define __LC_CURRENT 0xC90 #define __LC_INT_CLOCK 0xC98 #else /* __s390x__ */ @@ -103,7 +104,6 @@ #define __LC_CPUID 0xD80 #define __LC_CPUADDR 0xD88 #define __LC_IPLDEV 0xDB8 -#define __LC_JIFFY_TIMER 0xDC0 #define __LC_CURRENT 0xDD8 #define __LC_INT_CLOCK 0xDE8 #endif /* __s390x__ */ @@ -276,7 +276,7 @@ struct _lowcore /* entry.S sensitive area end */ /* SMP info area: defined by DJB */ - __u64 jiffy_timer; /* 0xc80 */ + __u64 clock_comparator; /* 0xc80 */ __u32 ext_call_fast; /* 0xc88 */ __u32 percpu_offset; /* 0xc8c */ __u32 current_task; /* 0xc90 */ @@ -368,11 +368,12 @@ struct _lowcore /* entry.S sensitive area end */ /* SMP info area: defined by DJB */ - __u64 jiffy_timer; /* 0xdc0 */ + __u64 clock_comparator; /* 0xdc0 */ __u64 ext_call_fast; /* 0xdc8 */ __u64 percpu_offset; /* 0xdd0 */ __u64 current_task; /* 0xdd8 */ - __u64 softirq_pending; /* 0xde0 */ + __u32 softirq_pending; /* 0xde0 */ + __u32 pad_0x0de4; /* 0xde4 */ __u64 int_clock; /* 0xde8 */ __u8 pad12[0xe00-0xdf0]; /* 0xdf0 */ diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h index 51d88912aa20..8eaf343a12a8 100644 --- a/include/asm-s390/processor.h +++ b/include/asm-s390/processor.h @@ -175,6 +175,13 @@ extern void task_show_regs(struct seq_file *m, struct task_struct *task); extern void show_registers(struct pt_regs *regs); extern void show_code(struct pt_regs *regs); extern void show_trace(struct task_struct *task, unsigned long *sp); +#ifdef CONFIG_64BIT +extern void show_last_breaking_event(struct pt_regs *regs); +#else +static inline void show_last_breaking_event(struct pt_regs *regs) +{ +} +#endif unsigned long get_wchan(struct task_struct *p); #define task_pt_regs(tsk) ((struct pt_regs *) \ diff --git a/include/asm-s390/semaphore.h b/include/asm-s390/semaphore.h index 0e7001ad8392..d9b2034ed1d2 100644 --- a/include/asm-s390/semaphore.h +++ b/include/asm-s390/semaphore.h @@ -1,107 +1 @@ -/* - * include/asm-s390/semaphore.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * - * Derived from "include/asm-i386/semaphore.h" - * (C) Copyright 1996 Linus Torvalds - */ - -#ifndef _S390_SEMAPHORE_H -#define _S390_SEMAPHORE_H - -#include <asm/system.h> -#include <asm/atomic.h> -#include <linux/wait.h> -#include <linux/rwsem.h> - -struct semaphore { - /* - * Note that any negative value of count is equivalent to 0, - * but additionally indicates that some process(es) might be - * sleeping on `wait'. - */ - atomic_t count; - wait_queue_head_t wait; -}; - -#define __SEMAPHORE_INITIALIZER(name,count) \ - { ATOMIC_INIT(count), __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) } - -#define __DECLARE_SEMAPHORE_GENERIC(name,count) \ - struct semaphore name = __SEMAPHORE_INITIALIZER(name,count) - -#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1) - -static inline void sema_init (struct semaphore *sem, int val) -{ - atomic_set(&sem->count, val); - init_waitqueue_head(&sem->wait); -} - -static inline void init_MUTEX (struct semaphore *sem) -{ - sema_init(sem, 1); -} - -static inline void init_MUTEX_LOCKED (struct semaphore *sem) -{ - sema_init(sem, 0); -} - -asmlinkage void __down(struct semaphore * sem); -asmlinkage int __down_interruptible(struct semaphore * sem); -asmlinkage int __down_trylock(struct semaphore * sem); -asmlinkage void __up(struct semaphore * sem); - -static inline void down(struct semaphore * sem) -{ - might_sleep(); - if (atomic_dec_return(&sem->count) < 0) - __down(sem); -} - -static inline int down_interruptible(struct semaphore * sem) -{ - int ret = 0; - - might_sleep(); - if (atomic_dec_return(&sem->count) < 0) - ret = __down_interruptible(sem); - return ret; -} - -static inline int down_trylock(struct semaphore * sem) -{ - int old_val, new_val; - - /* - * This inline assembly atomically implements the equivalent - * to the following C code: - * old_val = sem->count.counter; - * if ((new_val = old_val) > 0) - * sem->count.counter = --new_val; - * In the ppc code this is called atomic_dec_if_positive. - */ - asm volatile( - " l %0,0(%3)\n" - "0: ltr %1,%0\n" - " jle 1f\n" - " ahi %1,-1\n" - " cs %0,%1,0(%3)\n" - " jl 0b\n" - "1:" - : "=&d" (old_val), "=&d" (new_val), "=m" (sem->count.counter) - : "a" (&sem->count.counter), "m" (sem->count.counter) - : "cc", "memory"); - return old_val <= 0; -} - -static inline void up(struct semaphore * sem) -{ - if (atomic_inc_return(&sem->count) <= 0) - __up(sem); -} - -#endif +#include <linux/semaphore.h> diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h index c7b74326a527..6f3821a6a902 100644 --- a/include/asm-s390/smp.h +++ b/include/asm-s390/smp.h @@ -90,6 +90,9 @@ extern void __cpu_die (unsigned int cpu); extern void cpu_die (void) __attribute__ ((noreturn)); extern int __cpu_up (unsigned int cpu); +extern struct mutex smp_cpu_state_mutex; +extern int smp_cpu_polarization[]; + extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *), void *info, int wait); #endif diff --git a/include/asm-s390/sysinfo.h b/include/asm-s390/sysinfo.h new file mode 100644 index 000000000000..abe10ae15e46 --- /dev/null +++ b/include/asm-s390/sysinfo.h @@ -0,0 +1,116 @@ +/* + * definition for store system information stsi + * + * Copyright IBM Corp. 2001,2008 + * + * 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. + * + * Author(s): Ulrich Weigand <weigand@de.ibm.com> + * Christian Borntraeger <borntraeger@de.ibm.com> + */ + +struct sysinfo_1_1_1 { + char reserved_0[32]; + char manufacturer[16]; + char type[4]; + char reserved_1[12]; + char model_capacity[16]; + char sequence[16]; + char plant[4]; + char model[16]; + char model_perm_cap[16]; + char model_temp_cap[16]; + char model_cap_rating[4]; + char model_perm_cap_rating[4]; + char model_temp_cap_rating[4]; +}; + +struct sysinfo_1_2_1 { + char reserved_0[80]; + char sequence[16]; + char plant[4]; + char reserved_1[2]; + unsigned short cpu_address; +}; + +struct sysinfo_1_2_2 { + char format; + char reserved_0[1]; + unsigned short acc_offset; + char reserved_1[24]; + unsigned int secondary_capability; + unsigned int capability; + unsigned short cpus_total; + unsigned short cpus_configured; + unsigned short cpus_standby; + unsigned short cpus_reserved; + unsigned short adjustment[0]; +}; + +struct sysinfo_1_2_2_extension { + unsigned int alt_capability; + unsigned short alt_adjustment[0]; +}; + +struct sysinfo_2_2_1 { + char reserved_0[80]; + char sequence[16]; + char plant[4]; + unsigned short cpu_id; + unsigned short cpu_address; +}; + +struct sysinfo_2_2_2 { + char reserved_0[32]; + unsigned short lpar_number; + char reserved_1; + unsigned char characteristics; + unsigned short cpus_total; + unsigned short cpus_configured; + unsigned short cpus_standby; + unsigned short cpus_reserved; + char name[8]; + unsigned int caf; + char reserved_2[16]; + unsigned short cpus_dedicated; + unsigned short cpus_shared; +}; + +#define LPAR_CHAR_DEDICATED (1 << 7) +#define LPAR_CHAR_SHARED (1 << 6) +#define LPAR_CHAR_LIMITED (1 << 5) + +struct sysinfo_3_2_2 { + char reserved_0[31]; + unsigned char count; + struct { + char reserved_0[4]; + unsigned short cpus_total; + unsigned short cpus_configured; + unsigned short cpus_standby; + unsigned short cpus_reserved; + char name[8]; + unsigned int caf; + char cpi[16]; + char reserved_1[24]; + + } vm[8]; +}; + +static inline int stsi(void *sysinfo, int fc, int sel1, int sel2) +{ + register int r0 asm("0") = (fc << 28) | sel1; + register int r1 asm("1") = sel2; + + asm volatile( + " stsi 0(%2)\n" + "0: jz 2f\n" + "1: lhi %0,%3\n" + "2:\n" + EX_TABLE(0b, 1b) + : "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS) + : "cc", "memory"); + return r0; +} diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h index 15aba30601a3..92098df4d6e3 100644 --- a/include/asm-s390/system.h +++ b/include/asm-s390/system.h @@ -406,6 +406,8 @@ __set_psw_mask(unsigned long mask) #define local_mcck_enable() __set_psw_mask(psw_kernel_bits) #define local_mcck_disable() __set_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK) +int stfle(unsigned long long *list, int doublewords); + #ifdef CONFIG_SMP extern void smp_ctl_set_bit(int cr, int bit); diff --git a/include/asm-s390/timex.h b/include/asm-s390/timex.h index 98229db24314..d744c3d62de5 100644 --- a/include/asm-s390/timex.h +++ b/include/asm-s390/timex.h @@ -62,16 +62,18 @@ static inline unsigned long long get_clock (void) return clk; } -static inline void get_clock_extended(void *dest) +static inline unsigned long long get_clock_xt(void) { - typedef struct { unsigned long long clk[2]; } __clock_t; + unsigned char clk[16]; #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2) - asm volatile("stcke %0" : "=Q" (*((__clock_t *)dest)) : : "cc"); + asm volatile("stcke %0" : "=Q" (clk) : : "cc"); #else /* __GNUC__ */ - asm volatile("stcke 0(%1)" : "=m" (*((__clock_t *)dest)) - : "a" ((__clock_t *)dest) : "cc"); + asm volatile("stcke 0(%1)" : "=m" (clk) + : "a" (clk) : "cc"); #endif /* __GNUC__ */ + + return *((unsigned long long *)&clk[1]); } static inline cycles_t get_cycles(void) @@ -81,5 +83,6 @@ static inline cycles_t get_cycles(void) int get_sync_clock(unsigned long long *clock); void init_cpu_timer(void); +unsigned long long monotonic_clock(void); #endif diff --git a/include/asm-s390/tlbflush.h b/include/asm-s390/tlbflush.h index 35fb4f9127b2..9e57a93d7de1 100644 --- a/include/asm-s390/tlbflush.h +++ b/include/asm-s390/tlbflush.h @@ -13,12 +13,14 @@ static inline void __tlb_flush_local(void) asm volatile("ptlb" : : : "memory"); } +#ifdef CONFIG_SMP /* * Flush all tlb entries on all cpus. */ +void smp_ptlb_all(void); + static inline void __tlb_flush_global(void) { - extern void smp_ptlb_all(void); register unsigned long reg2 asm("2"); register unsigned long reg3 asm("3"); register unsigned long reg4 asm("4"); @@ -39,6 +41,25 @@ static inline void __tlb_flush_global(void) : : "d" (reg2), "d" (reg3), "d" (reg4), "m" (dummy) : "cc" ); } +static inline void __tlb_flush_full(struct mm_struct *mm) +{ + cpumask_t local_cpumask; + + preempt_disable(); + /* + * If the process only ran on the local cpu, do a local flush. + */ + local_cpumask = cpumask_of_cpu(smp_processor_id()); + if (cpus_equal(mm->cpu_vm_mask, local_cpumask)) + __tlb_flush_local(); + else + __tlb_flush_global(); + preempt_enable(); +} +#else +#define __tlb_flush_full(mm) __tlb_flush_local() +#endif + /* * Flush all tlb entries of a page table on all cpus. */ @@ -51,8 +72,6 @@ static inline void __tlb_flush_idte(unsigned long asce) static inline void __tlb_flush_mm(struct mm_struct * mm) { - cpumask_t local_cpumask; - if (unlikely(cpus_empty(mm->cpu_vm_mask))) return; /* @@ -69,16 +88,7 @@ static inline void __tlb_flush_mm(struct mm_struct * mm) mm->context.asce_bits); return; } - preempt_disable(); - /* - * If the process only ran on the local cpu, do a local flush. - */ - local_cpumask = cpumask_of_cpu(smp_processor_id()); - if (cpus_equal(mm->cpu_vm_mask, local_cpumask)) - __tlb_flush_local(); - else - __tlb_flush_global(); - preempt_enable(); + __tlb_flush_full(mm); } static inline void __tlb_flush_mm_cond(struct mm_struct * mm) diff --git a/include/asm-s390/topology.h b/include/asm-s390/topology.h index 613aa64019da..8e97b06f298a 100644 --- a/include/asm-s390/topology.h +++ b/include/asm-s390/topology.h @@ -1,6 +1,29 @@ #ifndef _ASM_S390_TOPOLOGY_H #define _ASM_S390_TOPOLOGY_H +#include <linux/cpumask.h> + +#define mc_capable() (1) + +cpumask_t cpu_coregroup_map(unsigned int cpu); + +int topology_set_cpu_management(int fc); +void topology_schedule_update(void); + +#define POLARIZATION_UNKNWN (-1) +#define POLARIZATION_HRZ (0) +#define POLARIZATION_VL (1) +#define POLARIZATION_VM (2) +#define POLARIZATION_VH (3) + +#ifdef CONFIG_SMP +void s390_init_cpu_topology(void); +#else +static inline void s390_init_cpu_topology(void) +{ +}; +#endif + #include <asm-generic/topology.h> #endif /* _ASM_S390_TOPOLOGY_H */ |