diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/radix.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_ppc.h | 8 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/lppaca.h | 26 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/paca.h | 22 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/pmc.h | 13 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/setup.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/smp.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/sparsemem.h | 2 |
9 files changed, 52 insertions, 29 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h index 935adcd92a81..cc8cd656ccfe 100644 --- a/arch/powerpc/include/asm/book3s/64/hash.h +++ b/arch/powerpc/include/asm/book3s/64/hash.h @@ -212,7 +212,7 @@ extern int __meminit hash__vmemmap_create_mapping(unsigned long start, extern void hash__vmemmap_remove_mapping(unsigned long start, unsigned long page_size); -int hash__create_section_mapping(unsigned long start, unsigned long end); +int hash__create_section_mapping(unsigned long start, unsigned long end, int nid); int hash__remove_section_mapping(unsigned long start, unsigned long end); #endif /* !__ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h index 365010f66570..705193e7192f 100644 --- a/arch/powerpc/include/asm/book3s/64/radix.h +++ b/arch/powerpc/include/asm/book3s/64/radix.h @@ -313,7 +313,7 @@ static inline unsigned long radix__get_tree_size(void) } #ifdef CONFIG_MEMORY_HOTPLUG -int radix__create_section_mapping(unsigned long start, unsigned long end); +int radix__create_section_mapping(unsigned long start, unsigned long end, int nid); int radix__remove_section_mapping(unsigned long start, unsigned long end); #endif /* CONFIG_MEMORY_HOTPLUG */ #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 7765a800ddae..b7d066b037da 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -436,15 +436,15 @@ struct openpic; extern void kvm_cma_reserve(void) __init; static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) { - paca[cpu].kvm_hstate.xics_phys = (void __iomem *)addr; + paca_ptrs[cpu]->kvm_hstate.xics_phys = (void __iomem *)addr; } static inline void kvmppc_set_xive_tima(int cpu, unsigned long phys_addr, void __iomem *virt_addr) { - paca[cpu].kvm_hstate.xive_tima_phys = (void __iomem *)phys_addr; - paca[cpu].kvm_hstate.xive_tima_virt = virt_addr; + paca_ptrs[cpu]->kvm_hstate.xive_tima_phys = (void __iomem *)phys_addr; + paca_ptrs[cpu]->kvm_hstate.xive_tima_virt = virt_addr; } static inline u32 kvmppc_get_xics_latch(void) @@ -458,7 +458,7 @@ static inline u32 kvmppc_get_xics_latch(void) static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi) { - paca[cpu].kvm_hstate.host_ipi = host_ipi; + paca_ptrs[cpu]->kvm_hstate.host_ipi = host_ipi; } static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu) diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index d0a2a2f99564..65d589689f01 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -36,14 +36,16 @@ #include <asm/mmu.h> /* - * We only have to have statically allocated lppaca structs on - * legacy iSeries, which supports at most 64 cpus. - */ -#define NR_LPPACAS 1 - -/* - * The Hypervisor barfs if the lppaca crosses a page boundary. A 1k - * alignment is sufficient to prevent this + * The lppaca is the "virtual processor area" registered with the hypervisor, + * H_REGISTER_VPA etc. + * + * According to PAPR, the structure is 640 bytes long, must be L1 cache line + * aligned, and must not cross a 4kB boundary. Its size field must be at + * least 640 bytes (but may be more). + * + * Pre-v4.14 KVM hypervisors reject the VPA if its size field is smaller than + * 1kB, so we dynamically allocate 1kB and advertise size as 1kB, but keep + * this structure as the canonical 640 byte size. */ struct lppaca { /* cacheline 1 contains read-only data */ @@ -97,13 +99,11 @@ struct lppaca { __be32 page_ins; /* CMO Hint - # page ins by OS */ u8 reserved11[148]; - volatile __be64 dtl_idx; /* Dispatch Trace Log head index */ + volatile __be64 dtl_idx; /* Dispatch Trace Log head index */ u8 reserved12[96]; -} __attribute__((__aligned__(0x400))); - -extern struct lppaca lppaca[]; +} ____cacheline_aligned; -#define lppaca_of(cpu) (*paca[cpu].lppaca_ptr) +#define lppaca_of(cpu) (*paca_ptrs[cpu]->lppaca_ptr) /* * We are using a non architected field to determine if a partition is diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index c97b41185ab7..4185f1c96125 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -47,7 +47,10 @@ extern unsigned int debug_smp_processor_id(void); /* from linux/smp.h */ #define get_paca() local_paca #endif +#ifdef CONFIG_PPC_PSERIES #define get_lppaca() (get_paca()->lppaca_ptr) +#endif + #define get_slb_shadow() (get_paca()->slb_shadow_ptr) struct task_struct; @@ -59,7 +62,7 @@ struct task_struct; * processor. */ struct paca_struct { -#ifdef CONFIG_PPC_BOOK3S +#ifdef CONFIG_PPC_PSERIES /* * Because hw_cpu_id, unlike other paca fields, is accessed * routinely from other CPUs (from the IRQ code), we stick to @@ -68,7 +71,8 @@ struct paca_struct { */ struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */ -#endif /* CONFIG_PPC_BOOK3S */ +#endif /* CONFIG_PPC_PSERIES */ + /* * MAGIC: the spinlock functions in arch/powerpc/lib/locks.c * load lock_token and paca_index with a single lwz @@ -161,10 +165,14 @@ struct paca_struct { u64 saved_msr; /* MSR saved here by enter_rtas */ u16 trap_save; /* Used when bad stack is encountered */ u8 irq_soft_mask; /* mask for irq soft masking */ + u8 soft_enabled; /* irq soft-enable flag */ u8 irq_happened; /* irq happened while soft-disabled */ u8 io_sync; /* writel() needs spin_unlock sync */ u8 irq_work_pending; /* IRQ_WORK interrupt while soft-disable */ u8 nap_state_lost; /* NV GPR values lost in power7_idle */ +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE + u8 pmcregs_in_use; /* pseries puts this in lppaca */ +#endif u64 sprg_vdso; /* Saved user-visible sprg */ #ifdef CONFIG_PPC_TRANSACTIONAL_MEM u64 tm_scratch; /* TM scratch area for reclaim */ @@ -244,18 +252,20 @@ struct paca_struct { void *rfi_flush_fallback_area; u64 l1d_flush_size; #endif -}; +} ____cacheline_aligned; extern void copy_mm_to_paca(struct mm_struct *mm); -extern struct paca_struct *paca; +extern struct paca_struct **paca_ptrs; extern void initialise_paca(struct paca_struct *new_paca, int cpu); extern void setup_paca(struct paca_struct *new_paca); -extern void allocate_pacas(void); +extern void allocate_paca_ptrs(void); +extern void allocate_paca(int cpu); extern void free_unused_pacas(void); #else /* CONFIG_PPC64 */ -static inline void allocate_pacas(void) { }; +static inline void allocate_paca_ptrs(void) { }; +static inline void allocate_paca(int cpu) { }; static inline void free_unused_pacas(void) { }; #endif /* CONFIG_PPC64 */ diff --git a/arch/powerpc/include/asm/pmc.h b/arch/powerpc/include/asm/pmc.h index 5a9ede4962cb..7ac3586c38ab 100644 --- a/arch/powerpc/include/asm/pmc.h +++ b/arch/powerpc/include/asm/pmc.h @@ -31,10 +31,21 @@ void ppc_enable_pmcs(void); #ifdef CONFIG_PPC_BOOK3S_64 #include <asm/lppaca.h> +#include <asm/firmware.h> static inline void ppc_set_pmu_inuse(int inuse) { - get_lppaca()->pmcregs_in_use = inuse; +#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_BOOK3S_HV_POSSIBLE) + if (firmware_has_feature(FW_FEATURE_LPAR)) { +#ifdef CONFIG_PPC_PSERIES + get_lppaca()->pmcregs_in_use = inuse; +#endif + } else { +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE + get_paca()->pmcregs_in_use = inuse; +#endif + } +#endif } extern void power4_enable_pmcs(void); diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h index bbcdf929be54..27fa52ed6d00 100644 --- a/arch/powerpc/include/asm/setup.h +++ b/arch/powerpc/include/asm/setup.h @@ -23,6 +23,7 @@ extern void reloc_got2(unsigned long); #define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x))) void check_for_initrd(void); +void mem_topology_setup(void); void initmem_init(void); void setup_panic(void); #define ARCH_PANIC_TIMEOUT 180 diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index fac963e10d39..cfecfee1194b 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -31,6 +31,7 @@ extern int boot_cpuid; extern int spinning_secondaries; +extern u32 *cpu_to_phys_id; extern void cpu_die(void); extern int cpu_to_chip_id(int cpu); @@ -170,12 +171,12 @@ static inline const struct cpumask *cpu_sibling_mask(int cpu) #ifdef CONFIG_PPC64 static inline int get_hard_smp_processor_id(int cpu) { - return paca[cpu].hw_cpu_id; + return paca_ptrs[cpu]->hw_cpu_id; } static inline void set_hard_smp_processor_id(int cpu, int phys) { - paca[cpu].hw_cpu_id = phys; + paca_ptrs[cpu]->hw_cpu_id = phys; } #else /* 32-bit */ diff --git a/arch/powerpc/include/asm/sparsemem.h b/arch/powerpc/include/asm/sparsemem.h index a7916ee6dfb6..bc66712bdc3c 100644 --- a/arch/powerpc/include/asm/sparsemem.h +++ b/arch/powerpc/include/asm/sparsemem.h @@ -17,7 +17,7 @@ #endif /* CONFIG_SPARSEMEM */ #ifdef CONFIG_MEMORY_HOTPLUG -extern int create_section_mapping(unsigned long start, unsigned long end); +extern int create_section_mapping(unsigned long start, unsigned long end, int nid); extern int remove_section_mapping(unsigned long start, unsigned long end); #ifdef CONFIG_PPC_BOOK3S_64 |