diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/dbell.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/io.h | 17 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/irq.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/lppaca.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/machdep.h | 21 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/page_64.h | 19 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/pgtable-ppc64.h | 13 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/smp.h | 35 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/system.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/xics.h | 2 |
11 files changed, 56 insertions, 68 deletions
diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h index 0893ab9343a6..9c70d0ca96d4 100644 --- a/arch/powerpc/include/asm/dbell.h +++ b/arch/powerpc/include/asm/dbell.h @@ -27,9 +27,8 @@ enum ppc_dbell { PPC_G_DBELL_MC = 4, /* guest mcheck doorbell */ }; -extern void doorbell_message_pass(int target, int msg); +extern void doorbell_cause_ipi(int cpu, unsigned long data); extern void doorbell_exception(struct pt_regs *regs); -extern void doorbell_check_self(void); extern void doorbell_setup_this_cpu(void); static inline void ppc_msgsnd(enum ppc_dbell type, u32 flags, u32 tag) diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 2f365f5007a0..45698d55cd6a 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -2,6 +2,8 @@ #define _ASM_POWERPC_IO_H #ifdef __KERNEL__ +#define ARCH_HAS_IOREMAP_WC + /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -622,12 +624,13 @@ static inline void iosync(void) * * ioremap is the standard one and provides non-cacheable guarded mappings * and can be hooked by the platform via ppc_md * - * * ioremap_flags allows to specify the page flags as an argument and can - * also be hooked by the platform via ppc_md. ioremap_prot is the exact - * same thing as ioremap_flags. + * * ioremap_prot allows to specify the page flags as an argument and can + * also be hooked by the platform via ppc_md. * * * ioremap_nocache is identical to ioremap * + * * ioremap_wc enables write combining + * * * iounmap undoes such a mapping and can be hooked * * * __ioremap_at (and the pending __iounmap_at) are low level functions to @@ -635,7 +638,7 @@ static inline void iosync(void) * currently be hooked. Must be page aligned. * * * __ioremap is the low level implementation used by ioremap and - * ioremap_flags and cannot be hooked (but can be used by a hook on one + * ioremap_prot and cannot be hooked (but can be used by a hook on one * of the previous ones) * * * __ioremap_caller is the same as above but takes an explicit caller @@ -646,10 +649,10 @@ static inline void iosync(void) * */ extern void __iomem *ioremap(phys_addr_t address, unsigned long size); -extern void __iomem *ioremap_flags(phys_addr_t address, unsigned long size, - unsigned long flags); +extern void __iomem *ioremap_prot(phys_addr_t address, unsigned long size, + unsigned long flags); +extern void __iomem *ioremap_wc(phys_addr_t address, unsigned long size); #define ioremap_nocache(addr, size) ioremap((addr), (size)) -#define ioremap_prot(addr, size, prot) ioremap_flags((addr), (size), (prot)) extern void iounmap(volatile void __iomem *addr); diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index e1983d577688..1bff591f7f72 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -88,9 +88,6 @@ struct irq_host_ops { /* Dispose of such a mapping */ void (*unmap)(struct irq_host *h, unsigned int virq); - /* Update of such a mapping */ - void (*remap)(struct irq_host *h, unsigned int virq, irq_hw_number_t hw); - /* Translate device-tree interrupt specifier from raw format coming * from the firmware to a irq_hw_number_t (interrupt line number) and * type (sense) that can be passed to set_irq_type(). In the absence @@ -131,7 +128,7 @@ struct irq_host { struct irq_data; extern irq_hw_number_t irqd_to_hwirq(struct irq_data *d); extern irq_hw_number_t virq_to_hw(unsigned int virq); -extern struct irq_host *virq_to_host(unsigned int virq); +extern bool virq_is_host(unsigned int virq, struct irq_host *host); /** * irq_alloc_host - Allocate a new irq_host data structure diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index a077adc0b35e..e0298d26ce5d 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -210,6 +210,8 @@ struct dtl_entry { #define DISPATCH_LOG_BYTES 4096 /* bytes per cpu */ #define N_DISPATCH_LOG (DISPATCH_LOG_BYTES / sizeof(struct dtl_entry)) +extern struct kmem_cache *dtl_cache; + /* * When CONFIG_VIRT_CPU_ACCOUNTING = y, the cpu accounting code controls * reading from the dispatch trace log. If other code wants to consume diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index c6345acf166f..47cacddb14cf 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -29,21 +29,6 @@ struct file; struct pci_controller; struct kimage; -#ifdef CONFIG_SMP -struct smp_ops_t { - void (*message_pass)(int target, int msg); - int (*probe)(void); - int (*kick_cpu)(int nr); - void (*setup_cpu)(int nr); - void (*bringup_done)(void); - void (*take_timebase)(void); - void (*give_timebase)(void); - int (*cpu_disable)(void); - void (*cpu_die)(unsigned int nr); - int (*cpu_bootable)(unsigned int nr); -}; -#endif - struct machdep_calls { char *name; #ifdef CONFIG_PPC64 @@ -312,12 +297,6 @@ extern sys_ctrler_t sys_ctrler; #endif /* CONFIG_PPC_PMAC */ -#ifdef CONFIG_SMP -/* Poor default implementations */ -extern void __devinit smp_generic_give_timebase(void); -extern void __devinit smp_generic_take_timebase(void); -#endif /* CONFIG_SMP */ - /* Functions to produce codes on the leds. * The SRC code should be unique for the message category and should diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h index 488c52eb64cb..9356262fd3cc 100644 --- a/arch/powerpc/include/asm/page_64.h +++ b/arch/powerpc/include/asm/page_64.h @@ -59,24 +59,7 @@ static __inline__ void clear_page(void *addr) : "ctr", "memory"); } -extern void copy_4K_page(void *to, void *from); - -#ifdef CONFIG_PPC_64K_PAGES -static inline void copy_page(void *to, void *from) -{ - unsigned int i; - for (i=0; i < (1 << (PAGE_SHIFT - 12)); i++) { - copy_4K_page(to, from); - to += 4096; - from += 4096; - } -} -#else /* CONFIG_PPC_64K_PAGES */ -static inline void copy_page(void *to, void *from) -{ - copy_4K_page(to, from); -} -#endif /* CONFIG_PPC_64K_PAGES */ +extern void copy_page(void *to, void *from); /* Log 2 of page table size */ extern u64 ppc64_pft_size; diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 2b09cd522d33..81576ee0cfb1 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -257,21 +257,20 @@ static inline int __ptep_test_and_clear_young(struct mm_struct *mm, static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - unsigned long old; - if ((pte_val(*ptep) & _PAGE_RW) == 0) - return; - old = pte_update(mm, addr, ptep, _PAGE_RW, 0); + if ((pte_val(*ptep) & _PAGE_RW) == 0) + return; + + pte_update(mm, addr, ptep, _PAGE_RW, 0); } static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - unsigned long old; - if ((pte_val(*ptep) & _PAGE_RW) == 0) return; - old = pte_update(mm, addr, ptep, _PAGE_RW, 1); + + pte_update(mm, addr, ptep, _PAGE_RW, 1); } /* diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index fdec59333053..c5cae0dd176c 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -824,6 +824,11 @@ FTR_SECTION_ELSE_NESTED(66); \ mtspr SPRN_SPRG_HSCRATCH0,rX; \ ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66) + +#else /* CONFIG_PPC_BOOK3S_64 */ +#define GET_SCRATCH0(rX) mfspr rX,SPRN_SPRG_SCRATCH0 +#define SET_SCRATCH0(rX) mtspr SPRN_SPRG_SCRATCH0,rX + #endif #ifdef CONFIG_PPC_BOOK3E_64 diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index 50873493a97c..880b8c1e6e53 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -20,6 +20,7 @@ #include <linux/threads.h> #include <linux/cpumask.h> #include <linux/kernel.h> +#include <linux/irqreturn.h> #ifndef __ASSEMBLY__ @@ -35,9 +36,26 @@ extern void cpu_die(void); #ifdef CONFIG_SMP -extern void smp_send_debugger_break(int cpu); -extern void smp_message_recv(int); +struct smp_ops_t { + void (*message_pass)(int cpu, int msg); +#ifdef CONFIG_PPC_SMP_MUXED_IPI + void (*cause_ipi)(int cpu, unsigned long data); +#endif + int (*probe)(void); + int (*kick_cpu)(int nr); + void (*setup_cpu)(int nr); + void (*bringup_done)(void); + void (*take_timebase)(void); + void (*give_timebase)(void); + int (*cpu_disable)(void); + void (*cpu_die)(unsigned int nr); + int (*cpu_bootable)(unsigned int nr); +}; + +extern void smp_send_debugger_break(void); extern void start_secondary_resume(void); +extern void __devinit smp_generic_give_timebase(void); +extern void __devinit smp_generic_take_timebase(void); DECLARE_PER_CPU(unsigned int, cpu_pvr); @@ -94,13 +112,16 @@ extern int cpu_to_core_id(int cpu); #define PPC_MSG_CALL_FUNC_SINGLE 2 #define PPC_MSG_DEBUGGER_BREAK 3 -/* - * irq controllers that have dedicated ipis per message and don't - * need additional code in the action handler may use this - */ +/* for irq controllers that have dedicated ipis per message (4) */ extern int smp_request_message_ipi(int virq, int message); extern const char *smp_ipi_name[]; +/* for irq controllers with only a single ipi */ +extern void smp_muxed_ipi_set_data(int cpu, unsigned long data); +extern void smp_muxed_ipi_message_pass(int cpu, int msg); +extern void smp_muxed_ipi_resend(void); +extern irqreturn_t smp_ipi_demux(void); + void smp_init_iSeries(void); void smp_init_pSeries(void); void smp_init_cell(void); @@ -170,6 +191,8 @@ extern unsigned long __secondary_hold_spinloop; extern unsigned long __secondary_hold_acknowledge; extern char __secondary_hold; +extern irqreturn_t debug_ipi_action(int irq, void *data); + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h index 5e474ddd2273..2dc595dda03b 100644 --- a/arch/powerpc/include/asm/system.h +++ b/arch/powerpc/include/asm/system.h @@ -219,8 +219,6 @@ extern int mem_init_done; /* set on boot once kmalloc can be called */ extern int init_bootmem_done; /* set once bootmem is available */ extern phys_addr_t memory_limit; extern unsigned long klimit; - -extern void *alloc_maybe_bootmem(size_t size, gfp_t mask); extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); extern int powersave_nap; /* set if nap mode can be used in idle loop */ diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h index 6c06306c4100..b183a4062011 100644 --- a/arch/powerpc/include/asm/xics.h +++ b/arch/powerpc/include/asm/xics.h @@ -40,7 +40,7 @@ struct icp_ops { void (*teardown_cpu)(void); void (*flush_ipi)(void); #ifdef CONFIG_SMP - void (*message_pass)(int target, int msg); + void (*cause_ipi)(int cpu, unsigned long data); irq_handler_t ipi_action; #endif }; |