diff options
Diffstat (limited to 'arch/powerpc/include/asm')
80 files changed, 1902 insertions, 2675 deletions
diff --git a/arch/powerpc/include/asm/abs_addr.h b/arch/powerpc/include/asm/abs_addr.h index 5ab0b71531be..9d92ba04b033 100644 --- a/arch/powerpc/include/asm/abs_addr.h +++ b/arch/powerpc/include/asm/abs_addr.h @@ -17,7 +17,6 @@ #include <asm/types.h> #include <asm/page.h> #include <asm/prom.h> -#include <asm/firmware.h> struct mschunks_map { unsigned long num_chunks; @@ -46,30 +45,12 @@ static inline unsigned long addr_to_chunk(unsigned long addr) static inline unsigned long phys_to_abs(unsigned long pa) { - unsigned long chunk; - - /* This is a no-op on non-iSeries */ - if (!firmware_has_feature(FW_FEATURE_ISERIES)) - return pa; - - chunk = addr_to_chunk(pa); - - if (chunk < mschunks_map.num_chunks) - chunk = mschunks_map.mapping[chunk]; - - return chunk_to_addr(chunk) + (pa & MSCHUNKS_OFFSET_MASK); + return pa; } /* Convenience macros */ #define virt_to_abs(va) phys_to_abs(__pa(va)) #define abs_to_virt(aa) __va(aa) -/* - * Converts Virtual Address to Real Address for - * Legacy iSeries Hypervisor calls - */ -#define iseries_hv_addr(virtaddr) \ - (0x8000000000000000UL | virt_to_abs(virtaddr)) - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_ABS_ADDR_H */ diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index 02e41b53488d..da29032ae38f 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -5,13 +5,9 @@ * PowerPC atomic operations */ -#include <linux/types.h> - #ifdef __KERNEL__ -#include <linux/compiler.h> -#include <asm/synch.h> -#include <asm/asm-compat.h> -#include <asm/system.h> +#include <linux/types.h> +#include <asm/cmpxchg.h> #define ATOMIC_INIT(i) { (i) } @@ -212,6 +208,36 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) return t; } +/** + * atomic_inc_not_zero - increment unless the number is zero + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1, so long as @v is non-zero. + * Returns non-zero if @v was non-zero, and zero otherwise. + */ +static __inline__ int atomic_inc_not_zero(atomic_t *v) +{ + int t1, t2; + + __asm__ __volatile__ ( + PPC_ATOMIC_ENTRY_BARRIER +"1: lwarx %0,0,%2 # atomic_inc_not_zero\n\ + cmpwi 0,%0,0\n\ + beq- 2f\n\ + addic %1,%0,1\n" + PPC405_ERR77(0,%2) +" stwcx. %1,0,%2\n\ + bne- 1b\n" + PPC_ATOMIC_EXIT_BARRIER + "\n\ +2:" + : "=&r" (t1), "=&r" (t2) + : "r" (&v->counter) + : "cc", "xer", "memory"); + + return t1; +} +#define atomic_inc_not_zero(v) atomic_inc_not_zero((v)) #define atomic_sub_and_test(a, v) (atomic_sub_return((a), (v)) == 0) #define atomic_dec_and_test(v) (atomic_dec_return((v)) == 0) @@ -467,7 +493,34 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) return t != u; } -#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) +/** + * atomic_inc64_not_zero - increment unless the number is zero + * @v: pointer of type atomic64_t + * + * Atomically increments @v by 1, so long as @v is non-zero. + * Returns non-zero if @v was non-zero, and zero otherwise. + */ +static __inline__ long atomic64_inc_not_zero(atomic64_t *v) +{ + long t1, t2; + + __asm__ __volatile__ ( + PPC_ATOMIC_ENTRY_BARRIER +"1: ldarx %0,0,%2 # atomic64_inc_not_zero\n\ + cmpdi 0,%0,0\n\ + beq- 2f\n\ + addic %1,%0,1\n\ + stdcx. %1,0,%2\n\ + bne- 1b\n" + PPC_ATOMIC_EXIT_BARRIER + "\n\ +2:" + : "=&r" (t1), "=&r" (t2) + : "r" (&v->counter) + : "cc", "xer", "memory"); + + return t1; +} #endif /* __powerpc64__ */ diff --git a/arch/powerpc/include/asm/auxvec.h b/arch/powerpc/include/asm/auxvec.h index 19a099b62cd6..ce17d2c9eb4e 100644 --- a/arch/powerpc/include/asm/auxvec.h +++ b/arch/powerpc/include/asm/auxvec.h @@ -16,4 +16,6 @@ */ #define AT_SYSINFO_EHDR 33 +#define AT_VECTOR_SIZE_ARCH 6 /* entries in ARCH_DLINFO */ + #endif diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h new file mode 100644 index 000000000000..ae782254e731 --- /dev/null +++ b/arch/powerpc/include/asm/barrier.h @@ -0,0 +1,68 @@ +/* + * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> + */ +#ifndef _ASM_POWERPC_BARRIER_H +#define _ASM_POWERPC_BARRIER_H + +/* + * Memory barrier. + * The sync instruction guarantees that all memory accesses initiated + * by this processor have been performed (with respect to all other + * mechanisms that access memory). The eieio instruction is a barrier + * providing an ordering (separately) for (a) cacheable stores and (b) + * loads and stores to non-cacheable memory (e.g. I/O devices). + * + * mb() prevents loads and stores being reordered across this point. + * rmb() prevents loads being reordered across this point. + * wmb() prevents stores being reordered across this point. + * read_barrier_depends() prevents data-dependent loads being reordered + * across this point (nop on PPC). + * + * *mb() variants without smp_ prefix must order all types of memory + * operations with one another. sync is the only instruction sufficient + * to do this. + * + * For the smp_ barriers, ordering is for cacheable memory operations + * only. We have to use the sync instruction for smp_mb(), since lwsync + * doesn't order loads with respect to previous stores. Lwsync can be + * used for smp_rmb() and smp_wmb(). + * + * However, on CPUs that don't support lwsync, lwsync actually maps to a + * heavy-weight sync, so smp_wmb() can be a lighter-weight eieio. + */ +#define mb() __asm__ __volatile__ ("sync" : : : "memory") +#define rmb() __asm__ __volatile__ ("sync" : : : "memory") +#define wmb() __asm__ __volatile__ ("sync" : : : "memory") +#define read_barrier_depends() do { } while(0) + +#define set_mb(var, value) do { var = value; mb(); } while (0) + +#ifdef CONFIG_SMP + +#ifdef __SUBARCH_HAS_LWSYNC +# define SMPWMB LWSYNC +#else +# define SMPWMB eieio +#endif + +#define smp_mb() mb() +#define smp_rmb() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") +#define smp_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory") +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while(0) +#endif /* CONFIG_SMP */ + +/* + * This is a barrier which prevents following instructions from being + * started until the value of the argument x is known. For example, if + * x is a variable loaded from memory, this prevents following + * instructions from being executed until the load has been performed. + */ +#define data_barrier(x) \ + asm volatile("twi 0,%0,0; isync" : : "r" (x) : "memory"); + +#endif /* _ASM_POWERPC_BARRIER_H */ diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h index 065c590c991d..3eb53d741070 100644 --- a/arch/powerpc/include/asm/bug.h +++ b/arch/powerpc/include/asm/bug.h @@ -126,5 +126,16 @@ #include <asm-generic/bug.h> +#ifndef __ASSEMBLY__ + +struct pt_regs; +extern int do_page_fault(struct pt_regs *, unsigned long, unsigned long); +extern void bad_page_fault(struct pt_regs *, unsigned long, int); +extern void _exception(int, struct pt_regs *, int, unsigned long); +extern void die(const char *, struct pt_regs *, long); +extern void print_backtrace(unsigned long *); + +#endif /* !__ASSEMBLY__ */ + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_BUG_H */ diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index 4b509411ad8a..9e495c9a6a88 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -42,8 +42,24 @@ extern struct ppc64_caches ppc64_caches; #endif /* __powerpc64__ && ! __ASSEMBLY__ */ #if !defined(__ASSEMBLY__) + #define __read_mostly __attribute__((__section__(".data..read_mostly"))) + +#ifdef CONFIG_6xx +extern long _get_L2CR(void); +extern long _get_L3CR(void); +extern void _set_L2CR(unsigned long); +extern void _set_L3CR(unsigned long); +#else +#define _get_L2CR() 0L +#define _get_L3CR() 0L +#define _set_L2CR(val) do { } while(0) +#define _set_L3CR(val) do { } while(0) #endif +extern void cacheable_memzero(void *p, unsigned int nb); +extern void *cacheable_memcpy(void *, const void *, unsigned int); + +#endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_CACHE_H */ diff --git a/arch/powerpc/include/asm/cmpxchg.h b/arch/powerpc/include/asm/cmpxchg.h new file mode 100644 index 000000000000..e245aab7f191 --- /dev/null +++ b/arch/powerpc/include/asm/cmpxchg.h @@ -0,0 +1,309 @@ +#ifndef _ASM_POWERPC_CMPXCHG_H_ +#define _ASM_POWERPC_CMPXCHG_H_ + +#ifdef __KERNEL__ +#include <linux/compiler.h> +#include <asm/synch.h> +#include <asm/asm-compat.h> + +/* + * Atomic exchange + * + * Changes the memory location '*ptr' to be val and returns + * the previous value stored there. + */ +static __always_inline unsigned long +__xchg_u32(volatile void *p, unsigned long val) +{ + unsigned long prev; + + __asm__ __volatile__( + PPC_RELEASE_BARRIER +"1: lwarx %0,0,%2 \n" + PPC405_ERR77(0,%2) +" stwcx. %3,0,%2 \n\ + bne- 1b" + PPC_ACQUIRE_BARRIER + : "=&r" (prev), "+m" (*(volatile unsigned int *)p) + : "r" (p), "r" (val) + : "cc", "memory"); + + return prev; +} + +/* + * Atomic exchange + * + * Changes the memory location '*ptr' to be val and returns + * the previous value stored there. + */ +static __always_inline unsigned long +__xchg_u32_local(volatile void *p, unsigned long val) +{ + unsigned long prev; + + __asm__ __volatile__( +"1: lwarx %0,0,%2 \n" + PPC405_ERR77(0,%2) +" stwcx. %3,0,%2 \n\ + bne- 1b" + : "=&r" (prev), "+m" (*(volatile unsigned int *)p) + : "r" (p), "r" (val) + : "cc", "memory"); + + return prev; +} + +#ifdef CONFIG_PPC64 +static __always_inline unsigned long +__xchg_u64(volatile void *p, unsigned long val) +{ + unsigned long prev; + + __asm__ __volatile__( + PPC_RELEASE_BARRIER +"1: ldarx %0,0,%2 \n" + PPC405_ERR77(0,%2) +" stdcx. %3,0,%2 \n\ + bne- 1b" + PPC_ACQUIRE_BARRIER + : "=&r" (prev), "+m" (*(volatile unsigned long *)p) + : "r" (p), "r" (val) + : "cc", "memory"); + + return prev; +} + +static __always_inline unsigned long +__xchg_u64_local(volatile void *p, unsigned long val) +{ + unsigned long prev; + + __asm__ __volatile__( +"1: ldarx %0,0,%2 \n" + PPC405_ERR77(0,%2) +" stdcx. %3,0,%2 \n\ + bne- 1b" + : "=&r" (prev), "+m" (*(volatile unsigned long *)p) + : "r" (p), "r" (val) + : "cc", "memory"); + + return prev; +} +#endif + +/* + * This function doesn't exist, so you'll get a linker error + * if something tries to do an invalid xchg(). + */ +extern void __xchg_called_with_bad_pointer(void); + +static __always_inline unsigned long +__xchg(volatile void *ptr, unsigned long x, unsigned int size) +{ + switch (size) { + case 4: + return __xchg_u32(ptr, x); +#ifdef CONFIG_PPC64 + case 8: + return __xchg_u64(ptr, x); +#endif + } + __xchg_called_with_bad_pointer(); + return x; +} + +static __always_inline unsigned long +__xchg_local(volatile void *ptr, unsigned long x, unsigned int size) +{ + switch (size) { + case 4: + return __xchg_u32_local(ptr, x); +#ifdef CONFIG_PPC64 + case 8: + return __xchg_u64_local(ptr, x); +#endif + } + __xchg_called_with_bad_pointer(); + return x; +} +#define xchg(ptr,x) \ + ({ \ + __typeof__(*(ptr)) _x_ = (x); \ + (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \ + }) + +#define xchg_local(ptr,x) \ + ({ \ + __typeof__(*(ptr)) _x_ = (x); \ + (__typeof__(*(ptr))) __xchg_local((ptr), \ + (unsigned long)_x_, sizeof(*(ptr))); \ + }) + +/* + * Compare and exchange - if *p == old, set it to new, + * and return the old value of *p. + */ +#define __HAVE_ARCH_CMPXCHG 1 + +static __always_inline unsigned long +__cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) +{ + unsigned int prev; + + __asm__ __volatile__ ( + PPC_RELEASE_BARRIER +"1: lwarx %0,0,%2 # __cmpxchg_u32\n\ + cmpw 0,%0,%3\n\ + bne- 2f\n" + PPC405_ERR77(0,%2) +" stwcx. %4,0,%2\n\ + bne- 1b" + PPC_ACQUIRE_BARRIER + "\n\ +2:" + : "=&r" (prev), "+m" (*p) + : "r" (p), "r" (old), "r" (new) + : "cc", "memory"); + + return prev; +} + +static __always_inline unsigned long +__cmpxchg_u32_local(volatile unsigned int *p, unsigned long old, + unsigned long new) +{ + unsigned int prev; + + __asm__ __volatile__ ( +"1: lwarx %0,0,%2 # __cmpxchg_u32\n\ + cmpw 0,%0,%3\n\ + bne- 2f\n" + PPC405_ERR77(0,%2) +" stwcx. %4,0,%2\n\ + bne- 1b" + "\n\ +2:" + : "=&r" (prev), "+m" (*p) + : "r" (p), "r" (old), "r" (new) + : "cc", "memory"); + + return prev; +} + +#ifdef CONFIG_PPC64 +static __always_inline unsigned long +__cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new) +{ + unsigned long prev; + + __asm__ __volatile__ ( + PPC_RELEASE_BARRIER +"1: ldarx %0,0,%2 # __cmpxchg_u64\n\ + cmpd 0,%0,%3\n\ + bne- 2f\n\ + stdcx. %4,0,%2\n\ + bne- 1b" + PPC_ACQUIRE_BARRIER + "\n\ +2:" + : "=&r" (prev), "+m" (*p) + : "r" (p), "r" (old), "r" (new) + : "cc", "memory"); + + return prev; +} + +static __always_inline unsigned long +__cmpxchg_u64_local(volatile unsigned long *p, unsigned long old, + unsigned long new) +{ + unsigned long prev; + + __asm__ __volatile__ ( +"1: ldarx %0,0,%2 # __cmpxchg_u64\n\ + cmpd 0,%0,%3\n\ + bne- 2f\n\ + stdcx. %4,0,%2\n\ + bne- 1b" + "\n\ +2:" + : "=&r" (prev), "+m" (*p) + : "r" (p), "r" (old), "r" (new) + : "cc", "memory"); + + return prev; +} +#endif + +/* This function doesn't exist, so you'll get a linker error + if something tries to do an invalid cmpxchg(). */ +extern void __cmpxchg_called_with_bad_pointer(void); + +static __always_inline unsigned long +__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, + unsigned int size) +{ + switch (size) { + case 4: + return __cmpxchg_u32(ptr, old, new); +#ifdef CONFIG_PPC64 + case 8: + return __cmpxchg_u64(ptr, old, new); +#endif + } + __cmpxchg_called_with_bad_pointer(); + return old; +} + +static __always_inline unsigned long +__cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, + unsigned int size) +{ + switch (size) { + case 4: + return __cmpxchg_u32_local(ptr, old, new); +#ifdef CONFIG_PPC64 + case 8: + return __cmpxchg_u64_local(ptr, old, new); +#endif + } + __cmpxchg_called_with_bad_pointer(); + return old; +} + +#define cmpxchg(ptr, o, n) \ + ({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr))); \ + }) + + +#define cmpxchg_local(ptr, o, n) \ + ({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr))); \ + }) + +#ifdef CONFIG_PPC64 +#define cmpxchg64(ptr, o, n) \ + ({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg((ptr), (o), (n)); \ + }) +#define cmpxchg64_local(ptr, o, n) \ + ({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg_local((ptr), (o), (n)); \ + }) +#else +#include <asm-generic/cmpxchg-local.h> +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) +#endif + +#endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_CMPXCHG_H_ */ diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index ad55a1ccb9fb..b9219e99bd2a 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -390,6 +390,10 @@ extern const char *powerpc_base_platform; CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_DEBUG_LVL_EXC) +#define CPU_FTRS_E6500 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \ + CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ + CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ + CPU_FTR_DEBUG_LVL_EXC) #define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN) /* 64-bit CPUs */ @@ -442,7 +446,7 @@ extern const char *powerpc_base_platform; #ifdef __powerpc64__ #ifdef CONFIG_PPC_BOOK3E -#define CPU_FTRS_POSSIBLE (CPU_FTRS_E5500 | CPU_FTRS_A2) +#define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500 | CPU_FTRS_A2) #else #define CPU_FTRS_POSSIBLE \ (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \ @@ -483,7 +487,7 @@ enum { #endif #ifdef CONFIG_E500 CPU_FTRS_E500 | CPU_FTRS_E500_2 | CPU_FTRS_E500MC | - CPU_FTRS_E5500 | + CPU_FTRS_E5500 | CPU_FTRS_E6500 | #endif 0, }; @@ -491,7 +495,7 @@ enum { #ifdef __powerpc64__ #ifdef CONFIG_PPC_BOOK3E -#define CPU_FTRS_ALWAYS (CPU_FTRS_E5500 & CPU_FTRS_A2) +#define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500 & CPU_FTRS_A2) #else #define CPU_FTRS_ALWAYS \ (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \ @@ -528,7 +532,7 @@ enum { #endif #ifdef CONFIG_E500 CPU_FTRS_E500 & CPU_FTRS_E500_2 & CPU_FTRS_E500MC & - CPU_FTRS_E5500 & + CPU_FTRS_E5500 & CPU_FTRS_E6500 & #endif CPU_FTRS_POSSIBLE, }; diff --git a/arch/powerpc/include/asm/debug.h b/arch/powerpc/include/asm/debug.h new file mode 100644 index 000000000000..716d2f089eb6 --- /dev/null +++ b/arch/powerpc/include/asm/debug.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> + */ +#ifndef _ASM_POWERPC_DEBUG_H +#define _ASM_POWERPC_DEBUG_H + +struct pt_regs; + +extern struct dentry *powerpc_debugfs_root; + +#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) + +extern int (*__debugger)(struct pt_regs *regs); +extern int (*__debugger_ipi)(struct pt_regs *regs); +extern int (*__debugger_bpt)(struct pt_regs *regs); +extern int (*__debugger_sstep)(struct pt_regs *regs); +extern int (*__debugger_iabr_match)(struct pt_regs *regs); +extern int (*__debugger_dabr_match)(struct pt_regs *regs); +extern int (*__debugger_fault_handler)(struct pt_regs *regs); + +#define DEBUGGER_BOILERPLATE(__NAME) \ +static inline int __NAME(struct pt_regs *regs) \ +{ \ + if (unlikely(__ ## __NAME)) \ + return __ ## __NAME(regs); \ + return 0; \ +} + +DEBUGGER_BOILERPLATE(debugger) +DEBUGGER_BOILERPLATE(debugger_ipi) +DEBUGGER_BOILERPLATE(debugger_bpt) +DEBUGGER_BOILERPLATE(debugger_sstep) +DEBUGGER_BOILERPLATE(debugger_iabr_match) +DEBUGGER_BOILERPLATE(debugger_dabr_match) +DEBUGGER_BOILERPLATE(debugger_fault_handler) + +#else +static inline int debugger(struct pt_regs *regs) { return 0; } +static inline int debugger_ipi(struct pt_regs *regs) { return 0; } +static inline int debugger_bpt(struct pt_regs *regs) { return 0; } +static inline int debugger_sstep(struct pt_regs *regs) { return 0; } +static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; } +static inline int debugger_dabr_match(struct pt_regs *regs) { return 0; } +static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; } +#endif + +extern int set_dabr(unsigned long dabr); +#ifdef CONFIG_PPC_ADV_DEBUG_REGS +extern void do_send_trap(struct pt_regs *regs, unsigned long address, + unsigned long error_code, int signal_code, int brkpt); +#else +extern void do_dabr(struct pt_regs *regs, unsigned long address, + unsigned long error_code); +#endif + +#endif /* _ASM_POWERPC_DEBUG_H */ diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h index d57c08acedfc..63d5ca49cece 100644 --- a/arch/powerpc/include/asm/device.h +++ b/arch/powerpc/include/asm/device.h @@ -31,6 +31,9 @@ struct dev_archdata { #ifdef CONFIG_SWIOTLB dma_addr_t max_direct_dma_addr; #endif +#ifdef CONFIG_EEH + struct eeh_dev *edev; +#endif }; struct pdev_archdata { diff --git a/arch/powerpc/include/asm/dma.h b/arch/powerpc/include/asm/dma.h index a7e06e25c708..f6813e919bb2 100644 --- a/arch/powerpc/include/asm/dma.h +++ b/arch/powerpc/include/asm/dma.h @@ -24,7 +24,6 @@ #include <asm/io.h> #include <linux/spinlock.h> -#include <asm/system.h> #ifndef MAX_DMA_CHANNELS #define MAX_DMA_CHANNELS 8 @@ -34,8 +33,6 @@ /* Doesn't really apply... */ #define MAX_DMA_ADDRESS (~0UL) -#if !defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI) - #ifdef HAVE_REALLY_SLOW_DMA_CONTROLLER #define dma_outb outb_p #else @@ -354,7 +351,5 @@ extern int isa_dma_bridge_buggy; #define isa_dma_bridge_buggy (0) #endif -#endif /* !defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI) */ - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_DMA_H */ diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index 66ea9b8b95c5..d60f99814ffb 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -1,6 +1,6 @@ /* - * eeh.h * Copyright (C) 2001 Dave Engebretsen & Todd Inglett IBM Corporation. + * Copyright 2001-2012 IBM Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -31,44 +31,105 @@ struct device_node; #ifdef CONFIG_EEH -extern int eeh_subsystem_enabled; +/* + * The struct is used to trace EEH state for the associated + * PCI device node or PCI device. In future, it might + * represent PE as well so that the EEH device to form + * another tree except the currently existing tree of PCI + * buses and PCI devices + */ +#define EEH_MODE_SUPPORTED (1<<0) /* EEH supported on the device */ +#define EEH_MODE_NOCHECK (1<<1) /* EEH check should be skipped */ +#define EEH_MODE_ISOLATED (1<<2) /* The device has been isolated */ +#define EEH_MODE_RECOVERING (1<<3) /* Recovering the device */ +#define EEH_MODE_IRQ_DISABLED (1<<4) /* Interrupt disabled */ + +struct eeh_dev { + int mode; /* EEH mode */ + int class_code; /* Class code of the device */ + int config_addr; /* Config address */ + int pe_config_addr; /* PE config address */ + int check_count; /* Times of ignored error */ + int freeze_count; /* Times of froze up */ + int false_positives; /* Times of reported #ff's */ + u32 config_space[16]; /* Saved PCI config space */ + struct pci_controller *phb; /* Associated PHB */ + struct device_node *dn; /* Associated device node */ + struct pci_dev *pdev; /* Associated PCI device */ +}; + +static inline struct device_node *eeh_dev_to_of_node(struct eeh_dev *edev) +{ + return edev->dn; +} + +static inline struct pci_dev *eeh_dev_to_pci_dev(struct eeh_dev *edev) +{ + return edev->pdev; +} -/* Values for eeh_mode bits in device_node */ -#define EEH_MODE_SUPPORTED (1<<0) -#define EEH_MODE_NOCHECK (1<<1) -#define EEH_MODE_ISOLATED (1<<2) -#define EEH_MODE_RECOVERING (1<<3) -#define EEH_MODE_IRQ_DISABLED (1<<4) +/* + * The struct is used to trace the registered EEH operation + * callback functions. Actually, those operation callback + * functions are heavily platform dependent. That means the + * platform should register its own EEH operation callback + * functions before any EEH further operations. + */ +#define EEH_OPT_DISABLE 0 /* EEH disable */ +#define EEH_OPT_ENABLE 1 /* EEH enable */ +#define EEH_OPT_THAW_MMIO 2 /* MMIO enable */ +#define EEH_OPT_THAW_DMA 3 /* DMA enable */ +#define EEH_STATE_UNAVAILABLE (1 << 0) /* State unavailable */ +#define EEH_STATE_NOT_SUPPORT (1 << 1) /* EEH not supported */ +#define EEH_STATE_RESET_ACTIVE (1 << 2) /* Active reset */ +#define EEH_STATE_MMIO_ACTIVE (1 << 3) /* Active MMIO */ +#define EEH_STATE_DMA_ACTIVE (1 << 4) /* Active DMA */ +#define EEH_STATE_MMIO_ENABLED (1 << 5) /* MMIO enabled */ +#define EEH_STATE_DMA_ENABLED (1 << 6) /* DMA enabled */ +#define EEH_RESET_DEACTIVATE 0 /* Deactivate the PE reset */ +#define EEH_RESET_HOT 1 /* Hot reset */ +#define EEH_RESET_FUNDAMENTAL 3 /* Fundamental reset */ +#define EEH_LOG_TEMP 1 /* EEH temporary error log */ +#define EEH_LOG_PERM 2 /* EEH permanent error log */ + +struct eeh_ops { + char *name; + int (*init)(void); + int (*set_option)(struct device_node *dn, int option); + int (*get_pe_addr)(struct device_node *dn); + int (*get_state)(struct device_node *dn, int *state); + int (*reset)(struct device_node *dn, int option); + int (*wait_state)(struct device_node *dn, int max_wait); + int (*get_log)(struct device_node *dn, int severity, char *drv_log, unsigned long len); + int (*configure_bridge)(struct device_node *dn); + int (*read_config)(struct device_node *dn, int where, int size, u32 *val); + int (*write_config)(struct device_node *dn, int where, int size, u32 val); +}; + +extern struct eeh_ops *eeh_ops; +extern int eeh_subsystem_enabled; -/* Max number of EEH freezes allowed before we consider the device - * to be permanently disabled. */ +/* + * Max number of EEH freezes allowed before we consider the device + * to be permanently disabled. + */ #define EEH_MAX_ALLOWED_FREEZES 5 +void * __devinit eeh_dev_init(struct device_node *dn, void *data); +void __devinit eeh_dev_phb_init_dynamic(struct pci_controller *phb); +void __init eeh_dev_phb_init(void); void __init eeh_init(void); +#ifdef CONFIG_PPC_PSERIES +int __init eeh_pseries_init(void); +#endif +int __init eeh_ops_register(struct eeh_ops *ops); +int __exit eeh_ops_unregister(const char *name); unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val); int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev); void __init pci_addr_cache_build(void); - -/** - * eeh_add_device_early - * eeh_add_device_late - * - * Perform eeh initialization for devices added after boot. - * Call eeh_add_device_early before doing any i/o to the - * device (including config space i/o). Call eeh_add_device_late - * to finish the eeh setup for this device. - */ void eeh_add_device_tree_early(struct device_node *); void eeh_add_device_tree_late(struct pci_bus *); - -/** - * eeh_remove_device_recursive - undo EEH for device & children. - * @dev: pci device to be removed - * - * As above, this removes the device; it also removes child - * pci devices as well. - */ void eeh_remove_bus_device(struct pci_dev *); /** @@ -87,8 +148,25 @@ void eeh_remove_bus_device(struct pci_dev *); #define EEH_IO_ERROR_VALUE(size) (~0U >> ((4 - (size)) * 8)) #else /* !CONFIG_EEH */ + +static inline void *eeh_dev_init(struct device_node *dn, void *data) +{ + return NULL; +} + +static inline void eeh_dev_phb_init_dynamic(struct pci_controller *phb) { } + +static inline void eeh_dev_phb_init(void) { } + static inline void eeh_init(void) { } +#ifdef CONFIG_PPC_PSERIES +static inline int eeh_pseries_init(void) +{ + return 0; +} +#endif /* CONFIG_PPC_PSERIES */ + static inline unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val) { return val; diff --git a/arch/powerpc/include/asm/eeh_event.h b/arch/powerpc/include/asm/eeh_event.h index cc3cb04539ac..c68b012b7797 100644 --- a/arch/powerpc/include/asm/eeh_event.h +++ b/arch/powerpc/include/asm/eeh_event.h @@ -1,6 +1,4 @@ /* - * eeh_event.h - * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -22,32 +20,19 @@ #define ASM_POWERPC_EEH_EVENT_H #ifdef __KERNEL__ -/** EEH event -- structure holding pci controller data that describes - * a change in the isolation status of a PCI slot. A pointer - * to this struct is passed as the data pointer in a notify callback. +/* + * structure holding pci controller data that describes a + * change in the isolation status of a PCI slot. A pointer + * to this struct is passed as the data pointer in a notify + * callback. */ struct eeh_event { - struct list_head list; - struct device_node *dn; /* struct device node */ - struct pci_dev *dev; /* affected device */ + struct list_head list; /* to form event queue */ + struct eeh_dev *edev; /* EEH device */ }; -/** - * eeh_send_failure_event - generate a PCI error event - * @dev pci device - * - * This routine builds a PCI error event which will be delivered - * to all listeners on the eeh_notifier_chain. - * - * This routine can be called within an interrupt context; - * the actual event will be delivered in a normal context - * (from a workqueue). - */ -int eeh_send_failure_event (struct device_node *dn, - struct pci_dev *dev); - -/* Main recovery function */ -struct pci_dn * handle_eeh_events (struct eeh_event *); +int eeh_send_failure_event(struct eeh_dev *edev); +struct eeh_dev *handle_eeh_events(struct eeh_event *); #endif /* __KERNEL__ */ #endif /* ASM_POWERPC_EEH_EVENT_H */ diff --git a/arch/powerpc/include/asm/ehv_pic.h b/arch/powerpc/include/asm/ehv_pic.h index a9e1f4f796f6..dc7d48e3ea90 100644 --- a/arch/powerpc/include/asm/ehv_pic.h +++ b/arch/powerpc/include/asm/ehv_pic.h @@ -25,7 +25,7 @@ struct ehv_pic { /* The remapper for this EHV_PIC */ - struct irq_host *irqhost; + struct irq_domain *irqhost; /* The "linux" controller struct */ struct irq_chip hc_irq; diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index 8057f4f6980f..548da3aa0a30 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -232,23 +232,30 @@ label##_hv: \ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \ EXC_HV, KVMTEST, vec) -#define __SOFTEN_TEST(h) \ +/* This associate vector numbers with bits in paca->irq_happened */ +#define SOFTEN_VALUE_0x500 PACA_IRQ_EE +#define SOFTEN_VALUE_0x502 PACA_IRQ_EE +#define SOFTEN_VALUE_0x900 PACA_IRQ_DEC +#define SOFTEN_VALUE_0x982 PACA_IRQ_DEC + +#define __SOFTEN_TEST(h, vec) \ lbz r10,PACASOFTIRQEN(r13); \ cmpwi r10,0; \ + li r10,SOFTEN_VALUE_##vec; \ beq masked_##h##interrupt -#define _SOFTEN_TEST(h) __SOFTEN_TEST(h) +#define _SOFTEN_TEST(h, vec) __SOFTEN_TEST(h, vec) #define SOFTEN_TEST_PR(vec) \ KVMTEST_PR(vec); \ - _SOFTEN_TEST(EXC_STD) + _SOFTEN_TEST(EXC_STD, vec) #define SOFTEN_TEST_HV(vec) \ KVMTEST(vec); \ - _SOFTEN_TEST(EXC_HV) + _SOFTEN_TEST(EXC_HV, vec) #define SOFTEN_TEST_HV_201(vec) \ KVMTEST(vec); \ - _SOFTEN_TEST(EXC_STD) + _SOFTEN_TEST(EXC_STD, vec) #define __MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra) \ HMT_MEDIUM; \ @@ -272,73 +279,55 @@ label##_hv: \ _MASKABLE_EXCEPTION_PSERIES(vec, label, \ EXC_HV, SOFTEN_TEST_HV) -#ifdef CONFIG_PPC_ISERIES -#define DISABLE_INTS \ - li r11,0; \ - stb r11,PACASOFTIRQEN(r13); \ -BEGIN_FW_FTR_SECTION; \ - stb r11,PACAHARDIRQEN(r13); \ -END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES); \ - TRACE_DISABLE_INTS; \ -BEGIN_FW_FTR_SECTION; \ - mfmsr r10; \ - ori r10,r10,MSR_EE; \ - mtmsrd r10,1; \ -END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) -#else -#define DISABLE_INTS \ - li r11,0; \ - stb r11,PACASOFTIRQEN(r13); \ - stb r11,PACAHARDIRQEN(r13); \ - TRACE_DISABLE_INTS -#endif /* CONFIG_PPC_ISERIES */ +/* + * Our exception common code can be passed various "additions" + * to specify the behaviour of interrupts, whether to kick the + * runlatch, etc... + */ + +/* Exception addition: Hard disable interrupts */ +#define DISABLE_INTS SOFT_DISABLE_INTS(r10,r11) +/* Exception addition: Keep interrupt state */ #define ENABLE_INTS \ + ld r11,PACAKMSR(r13); \ ld r12,_MSR(r1); \ - mfmsr r11; \ rlwimi r11,r12,0,MSR_EE; \ mtmsrd r11,1 -#define STD_EXCEPTION_COMMON(trap, label, hdlr) \ - .align 7; \ - .globl label##_common; \ -label##_common: \ - EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \ - DISABLE_INTS; \ - bl .save_nvgprs; \ - addi r3,r1,STACK_FRAME_OVERHEAD; \ - bl hdlr; \ - b .ret_from_except +#define ADD_NVGPRS \ + bl .save_nvgprs + +#define RUNLATCH_ON \ +BEGIN_FTR_SECTION \ + clrrdi r3,r1,THREAD_SHIFT; \ + ld r4,TI_LOCAL_FLAGS(r3); \ + andi. r0,r4,_TLF_RUNLATCH; \ + beql ppc64_runlatch_on_trampoline; \ +END_FTR_SECTION_IFSET(CPU_FTR_CTRL) + +#define EXCEPTION_COMMON(trap, label, hdlr, ret, additions) \ + .align 7; \ + .globl label##_common; \ +label##_common: \ + EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \ + additions; \ + addi r3,r1,STACK_FRAME_OVERHEAD; \ + bl hdlr; \ + b ret + +#define STD_EXCEPTION_COMMON(trap, label, hdlr) \ + EXCEPTION_COMMON(trap, label, hdlr, ret_from_except, \ + ADD_NVGPRS;DISABLE_INTS) /* * Like STD_EXCEPTION_COMMON, but for exceptions that can occur - * in the idle task and therefore need the special idle handling. + * in the idle task and therefore need the special idle handling + * (finish nap and runlatch) */ -#define STD_EXCEPTION_COMMON_IDLE(trap, label, hdlr) \ - .align 7; \ - .globl label##_common; \ -label##_common: \ - EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \ - FINISH_NAP; \ - DISABLE_INTS; \ - bl .save_nvgprs; \ - addi r3,r1,STACK_FRAME_OVERHEAD; \ - bl hdlr; \ - b .ret_from_except - -#define STD_EXCEPTION_COMMON_LITE(trap, label, hdlr) \ - .align 7; \ - .globl label##_common; \ -label##_common: \ - EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \ - FINISH_NAP; \ - DISABLE_INTS; \ -BEGIN_FTR_SECTION \ - bl .ppc64_runlatch_on; \ -END_FTR_SECTION_IFSET(CPU_FTR_CTRL) \ - addi r3,r1,STACK_FRAME_OVERHEAD; \ - bl hdlr; \ - b .ret_from_except_lite +#define STD_EXCEPTION_COMMON_ASYNC(trap, label, hdlr) \ + EXCEPTION_COMMON(trap, label, hdlr, ret_from_except_lite, \ + FINISH_NAP;RUNLATCH_ON;DISABLE_INTS) /* * When the idle code in power4_idle puts the CPU into NAP mode, diff --git a/arch/powerpc/include/asm/exec.h b/arch/powerpc/include/asm/exec.h new file mode 100644 index 000000000000..8196e9c7d7e8 --- /dev/null +++ b/arch/powerpc/include/asm/exec.h @@ -0,0 +1,9 @@ +/* + * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> + */ +#ifndef _ASM_POWERPC_EXEC_H +#define _ASM_POWERPC_EXEC_H + +extern unsigned long arch_align_stack(unsigned long sp); + +#endif /* _ASM_POWERPC_EXEC_H */ diff --git a/arch/powerpc/include/asm/fadump.h b/arch/powerpc/include/asm/fadump.h new file mode 100644 index 000000000000..88dbf9659185 --- /dev/null +++ b/arch/powerpc/include/asm/fadump.h @@ -0,0 +1,218 @@ +/* + * Firmware Assisted dump header file. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright 2011 IBM Corporation + * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> + */ + +#ifndef __PPC64_FA_DUMP_H__ +#define __PPC64_FA_DUMP_H__ + +#ifdef CONFIG_FA_DUMP + +/* + * The RMA region will be saved for later dumping when kernel crashes. + * RMA is Real Mode Area, the first block of logical memory address owned + * by logical partition, containing the storage that may be accessed with + * translate off. + */ +#define RMA_START 0x0 +#define RMA_END (ppc64_rma_size) + +/* + * On some Power systems where RMO is 128MB, it still requires minimum of + * 256MB for kernel to boot successfully. When kdump infrastructure is + * configured to save vmcore over network, we run into OOM issue while + * loading modules related to network setup. Hence we need aditional 64M + * of memory to avoid OOM issue. + */ +#define MIN_BOOT_MEM (((RMA_END < (0x1UL << 28)) ? (0x1UL << 28) : RMA_END) \ + + (0x1UL << 26)) + +#define memblock_num_regions(memblock_type) (memblock.memblock_type.cnt) + +#ifndef ELF_CORE_EFLAGS +#define ELF_CORE_EFLAGS 0 +#endif + +/* Firmware provided dump sections */ +#define FADUMP_CPU_STATE_DATA 0x0001 +#define FADUMP_HPTE_REGION 0x0002 +#define FADUMP_REAL_MODE_REGION 0x0011 + +/* Dump request flag */ +#define FADUMP_REQUEST_FLAG 0x00000001 + +/* FAD commands */ +#define FADUMP_REGISTER 1 +#define FADUMP_UNREGISTER 2 +#define FADUMP_INVALIDATE 3 + +/* Dump status flag */ +#define FADUMP_ERROR_FLAG 0x2000 + +#define FADUMP_CPU_ID_MASK ((1UL << 32) - 1) + +#define CPU_UNKNOWN (~((u32)0)) + +/* Utility macros */ +#define SKIP_TO_NEXT_CPU(reg_entry) \ +({ \ + while (reg_entry->reg_id != REG_ID("CPUEND")) \ + reg_entry++; \ + reg_entry++; \ +}) + +/* Kernel Dump section info */ +struct fadump_section { + u32 request_flag; + u16 source_data_type; + u16 error_flags; + u64 source_address; + u64 source_len; + u64 bytes_dumped; + u64 destination_address; +}; + +/* ibm,configure-kernel-dump header. */ +struct fadump_section_header { + u32 dump_format_version; + u16 dump_num_sections; + u16 dump_status_flag; + u32 offset_first_dump_section; + + /* Fields for disk dump option. */ + u32 dd_block_size; + u64 dd_block_offset; + u64 dd_num_blocks; + u32 dd_offset_disk_path; + + /* Maximum time allowed to prevent an automatic dump-reboot. */ + u32 max_time_auto; +}; + +/* + * Firmware Assisted dump memory structure. This structure is required for + * registering future kernel dump with power firmware through rtas call. + * + * No disk dump option. Hence disk dump path string section is not included. + */ +struct fadump_mem_struct { + struct fadump_section_header header; + + /* Kernel dump sections */ + struct fadump_section cpu_state_data; + struct fadump_section hpte_region; + struct fadump_section rmr_region; +}; + +/* Firmware-assisted dump configuration details. */ +struct fw_dump { + unsigned long cpu_state_data_size; + unsigned long hpte_region_size; + unsigned long boot_memory_size; + unsigned long reserve_dump_area_start; + unsigned long reserve_dump_area_size; + /* cmd line option during boot */ + unsigned long reserve_bootvar; + + unsigned long fadumphdr_addr; + unsigned long cpu_notes_buf; + unsigned long cpu_notes_buf_size; + + int ibm_configure_kernel_dump; + + unsigned long fadump_enabled:1; + unsigned long fadump_supported:1; + unsigned long dump_active:1; + unsigned long dump_registered:1; +}; + +/* + * Copy the ascii values for first 8 characters from a string into u64 + * variable at their respective indexes. + * e.g. + * The string "FADMPINF" will be converted into 0x4641444d50494e46 + */ +static inline u64 str_to_u64(const char *str) +{ + u64 val = 0; + int i; + + for (i = 0; i < sizeof(val); i++) + val = (*str) ? (val << 8) | *str++ : val << 8; + return val; +} +#define STR_TO_HEX(x) str_to_u64(x) +#define REG_ID(x) str_to_u64(x) + +#define FADUMP_CRASH_INFO_MAGIC STR_TO_HEX("FADMPINF") +#define REGSAVE_AREA_MAGIC STR_TO_HEX("REGSAVE") + +/* The firmware-assisted dump format. + * + * The register save area is an area in the partition's memory used to preserve + * the register contents (CPU state data) for the active CPUs during a firmware + * assisted dump. The dump format contains register save area header followed + * by register entries. Each list of registers for a CPU starts with + * "CPUSTRT" and ends with "CPUEND". + */ + +/* Register save area header. */ +struct fadump_reg_save_area_header { + u64 magic_number; + u32 version; + u32 num_cpu_offset; +}; + +/* Register entry. */ +struct fadump_reg_entry { + u64 reg_id; + u64 reg_value; +}; + +/* fadump crash info structure */ +struct fadump_crash_info_header { + u64 magic_number; + u64 elfcorehdr_addr; + u32 crashing_cpu; + struct pt_regs regs; + struct cpumask cpu_online_mask; +}; + +/* Crash memory ranges */ +#define INIT_CRASHMEM_RANGES (INIT_MEMBLOCK_REGIONS + 2) + +struct fad_crash_memory_ranges { + unsigned long long base; + unsigned long long size; +}; + +extern int early_init_dt_scan_fw_dump(unsigned long node, + const char *uname, int depth, void *data); +extern int fadump_reserve_mem(void); +extern int setup_fadump(void); +extern int is_fadump_active(void); +extern void crash_fadump(struct pt_regs *, const char *); +extern void fadump_cleanup(void); + +extern void vmcore_cleanup(void); +#else /* CONFIG_FA_DUMP */ +static inline int is_fadump_active(void) { return 0; } +static inline void crash_fadump(struct pt_regs *regs, const char *str) { } +#endif +#endif diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h index 14db29b18d0e..ad0b751b0d78 100644 --- a/arch/powerpc/include/asm/firmware.h +++ b/arch/powerpc/include/asm/firmware.h @@ -41,7 +41,6 @@ #define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) #define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) #define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) -#define FW_FEATURE_ISERIES ASM_CONST(0x0000000000200000) #define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) #define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000) @@ -65,8 +64,6 @@ enum { FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO, FW_FEATURE_PSERIES_ALWAYS = 0, - FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, - FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2, FW_FEATURE_POWERNV_ALWAYS = 0, FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, @@ -79,9 +76,6 @@ enum { #ifdef CONFIG_PPC_PSERIES FW_FEATURE_PSERIES_POSSIBLE | #endif -#ifdef CONFIG_PPC_ISERIES - FW_FEATURE_ISERIES_POSSIBLE | -#endif #ifdef CONFIG_PPC_POWERNV FW_FEATURE_POWERNV_POSSIBLE | #endif @@ -99,9 +93,6 @@ enum { #ifdef CONFIG_PPC_PSERIES FW_FEATURE_PSERIES_ALWAYS & #endif -#ifdef CONFIG_PPC_ISERIES - FW_FEATURE_ISERIES_ALWAYS & -#endif #ifdef CONFIG_PPC_POWERNV FW_FEATURE_POWERNV_ALWAYS & #endif diff --git a/arch/powerpc/include/asm/fsl_guts.h b/arch/powerpc/include/asm/fsl_guts.h index bebd12463ec9..ce04530d2000 100644 --- a/arch/powerpc/include/asm/fsl_guts.h +++ b/arch/powerpc/include/asm/fsl_guts.h @@ -4,7 +4,7 @@ * Authors: Jeff Brown * Timur Tabi <timur@freescale.com> * - * Copyright 2004,2007 Freescale Semiconductor, Inc + * Copyright 2004,2007,2012 Freescale Semiconductor, Inc * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -114,6 +114,10 @@ struct ccsr_guts_86xx { __be32 srds2cr1; /* 0x.0f44 - SerDes2 Control Register 0 */ } __attribute__ ((packed)); + +/* Alternate function signal multiplex control */ +#define MPC85xx_PMUXCR_QE(x) (0x8000 >> (x)) + #ifdef CONFIG_PPC_86xx #define CCSR_GUTS_DMACR_DEV_SSI 0 /* DMA controller/channel set to SSI */ diff --git a/arch/powerpc/include/asm/highmem.h b/arch/powerpc/include/asm/highmem.h index dbc264010d0b..caaf6e00630d 100644 --- a/arch/powerpc/include/asm/highmem.h +++ b/arch/powerpc/include/asm/highmem.h @@ -79,7 +79,7 @@ static inline void kunmap(struct page *page) kunmap_high(page); } -static inline void *__kmap_atomic(struct page *page) +static inline void *kmap_atomic(struct page *page) { return kmap_atomic_prot(page, kmap_prot); } diff --git a/arch/powerpc/include/asm/hw_breakpoint.h b/arch/powerpc/include/asm/hw_breakpoint.h index 80fd4d2b4a62..be04330af751 100644 --- a/arch/powerpc/include/asm/hw_breakpoint.h +++ b/arch/powerpc/include/asm/hw_breakpoint.h @@ -35,7 +35,7 @@ struct arch_hw_breakpoint { #include <linux/kdebug.h> #include <asm/reg.h> -#include <asm/system.h> +#include <asm/debug.h> struct perf_event; struct pmu; diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index bb712c9488b3..51010bfc792e 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -11,6 +11,27 @@ #include <asm/ptrace.h> #include <asm/processor.h> +#ifdef CONFIG_PPC64 + +/* + * PACA flags in paca->irq_happened. + * + * This bits are set when interrupts occur while soft-disabled + * and allow a proper replay. Additionally, PACA_IRQ_HARD_DIS + * is set whenever we manually hard disable. + */ +#define PACA_IRQ_HARD_DIS 0x01 +#define PACA_IRQ_DBELL 0x02 +#define PACA_IRQ_EE 0x04 +#define PACA_IRQ_DEC 0x08 /* Or FIT */ +#define PACA_IRQ_EE_EDGE 0x10 /* BookE only */ + +#endif /* CONFIG_PPC64 */ + +#ifndef __ASSEMBLY__ + +extern void __replay_interrupt(unsigned int vector); + extern void timer_interrupt(struct pt_regs *); #ifdef CONFIG_PPC64 @@ -42,7 +63,6 @@ static inline unsigned long arch_local_irq_disable(void) } extern void arch_local_irq_restore(unsigned long); -extern void iseries_handle_interrupts(void); static inline void arch_local_irq_enable(void) { @@ -68,16 +88,33 @@ static inline bool arch_irqs_disabled(void) #define __hard_irq_enable() asm volatile("wrteei 1" : : : "memory"); #define __hard_irq_disable() asm volatile("wrteei 0" : : : "memory"); #else -#define __hard_irq_enable() __mtmsrd(mfmsr() | MSR_EE, 1) -#define __hard_irq_disable() __mtmsrd(mfmsr() & ~MSR_EE, 1) +#define __hard_irq_enable() __mtmsrd(local_paca->kernel_msr | MSR_EE, 1) +#define __hard_irq_disable() __mtmsrd(local_paca->kernel_msr, 1) #endif -#define hard_irq_disable() \ - do { \ - __hard_irq_disable(); \ - get_paca()->soft_enabled = 0; \ - get_paca()->hard_enabled = 0; \ - } while(0) +static inline void hard_irq_disable(void) +{ + __hard_irq_disable(); + get_paca()->soft_enabled = 0; + get_paca()->irq_happened |= PACA_IRQ_HARD_DIS; +} + +/* + * This is called by asynchronous interrupts to conditionally + * re-enable hard interrupts when soft-disabled after having + * cleared the source of the interrupt + */ +static inline void may_hard_irq_enable(void) +{ + get_paca()->irq_happened &= ~PACA_IRQ_HARD_DIS; + if (!(get_paca()->irq_happened & PACA_IRQ_EE)) + __hard_irq_enable(); +} + +static inline bool arch_irq_disabled_regs(struct pt_regs *regs) +{ + return !regs->softe; +} #else /* CONFIG_PPC64 */ @@ -139,6 +176,13 @@ static inline bool arch_irqs_disabled(void) #define hard_irq_disable() arch_local_irq_disable() +static inline bool arch_irq_disabled_regs(struct pt_regs *regs) +{ + return !(regs->msr & MSR_EE); +} + +static inline void may_hard_irq_enable(void) { } + #endif /* CONFIG_PPC64 */ #define ARCH_IRQ_INIT_FLAGS IRQ_NOREQUEST @@ -149,5 +193,6 @@ static inline bool arch_irqs_disabled(void) */ struct irq_chip; +#endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_HW_IRQ_H */ diff --git a/arch/powerpc/include/asm/i8259.h b/arch/powerpc/include/asm/i8259.h index 105ade297aad..c3fdfbd5a673 100644 --- a/arch/powerpc/include/asm/i8259.h +++ b/arch/powerpc/include/asm/i8259.h @@ -6,7 +6,7 @@ extern void i8259_init(struct device_node *node, unsigned long intack_addr); extern unsigned int i8259_irq(void); -extern struct irq_host *i8259_get_host(void); +extern struct irq_domain *i8259_get_host(void); #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_I8259_H */ diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index edfc9803ec91..957a83f43646 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -112,7 +112,6 @@ extern void iommu_unmap_page(struct iommu_table *tbl, dma_addr_t dma_handle, struct dma_attrs *attrs); extern void iommu_init_early_pSeries(void); -extern void iommu_init_early_iSeries(void); extern void iommu_init_early_dart(void); extern void iommu_init_early_pasemi(void); diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index c0e1bc319e35..cf417e510736 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -9,6 +9,7 @@ * 2 of the License, or (at your option) any later version. */ +#include <linux/irqdomain.h> #include <linux/threads.h> #include <linux/list.h> #include <linux/radix-tree.h> @@ -26,267 +27,15 @@ extern atomic_t ppc_n_lost_interrupts; /* This number is used when no interrupt has been assigned */ #define NO_IRQ (0) -/* This is a special irq number to return from get_irq() to tell that - * no interrupt happened _and_ ignore it (don't count it as bad). Some - * platforms like iSeries rely on that. - */ -#define NO_IRQ_IGNORE ((unsigned int)-1) - /* Total number of virq in the platform */ #define NR_IRQS CONFIG_NR_IRQS -/* Number of irqs reserved for the legacy controller */ -#define NUM_ISA_INTERRUPTS 16 - /* Same thing, used by the generic IRQ code */ #define NR_IRQS_LEGACY NUM_ISA_INTERRUPTS -/* This type is the placeholder for a hardware interrupt number. It has to - * be big enough to enclose whatever representation is used by a given - * platform. - */ -typedef unsigned long irq_hw_number_t; - -/* Interrupt controller "host" data structure. This could be defined as a - * irq domain controller. That is, it handles the mapping between hardware - * and virtual interrupt numbers for a given interrupt domain. The host - * structure is generally created by the PIC code for a given PIC instance - * (though a host can cover more than one PIC if they have a flat number - * model). It's the host callbacks that are responsible for setting the - * irq_chip on a given irq_desc after it's been mapped. - * - * The host code and data structures are fairly agnostic to the fact that - * we use an open firmware device-tree. We do have references to struct - * device_node in two places: in irq_find_host() to find the host matching - * a given interrupt controller node, and of course as an argument to its - * counterpart host->ops->match() callback. However, those are treated as - * generic pointers by the core and the fact that it's actually a device-node - * pointer is purely a convention between callers and implementation. This - * code could thus be used on other architectures by replacing those two - * by some sort of arch-specific void * "token" used to identify interrupt - * controllers. - */ -struct irq_host; -struct radix_tree_root; - -/* Functions below are provided by the host and called whenever a new mapping - * is created or an old mapping is disposed. The host can then proceed to - * whatever internal data structures management is required. It also needs - * to setup the irq_desc when returning from map(). - */ -struct irq_host_ops { - /* Match an interrupt controller device node to a host, returns - * 1 on a match - */ - int (*match)(struct irq_host *h, struct device_node *node); - - /* Create or update a mapping between a virtual irq number and a hw - * irq number. This is called only once for a given mapping. - */ - int (*map)(struct irq_host *h, unsigned int virq, irq_hw_number_t hw); - - /* Dispose of such a mapping */ - void (*unmap)(struct irq_host *h, unsigned int virq); - - /* 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 - * of this callback, irq_create_of_mapping() and irq_of_parse_and_map() - * will return the hw number in the first cell and IRQ_TYPE_NONE for - * the type (which amount to keeping whatever default value the - * interrupt controller has for that line) - */ - int (*xlate)(struct irq_host *h, struct device_node *ctrler, - const u32 *intspec, unsigned int intsize, - irq_hw_number_t *out_hwirq, unsigned int *out_type); -}; - -struct irq_host { - struct list_head link; - - /* type of reverse mapping technique */ - unsigned int revmap_type; -#define IRQ_HOST_MAP_LEGACY 0 /* legacy 8259, gets irqs 1..15 */ -#define IRQ_HOST_MAP_NOMAP 1 /* no fast reverse mapping */ -#define IRQ_HOST_MAP_LINEAR 2 /* linear map of interrupts */ -#define IRQ_HOST_MAP_TREE 3 /* radix tree */ - union { - struct { - unsigned int size; - unsigned int *revmap; - } linear; - struct radix_tree_root tree; - } revmap_data; - struct irq_host_ops *ops; - void *host_data; - irq_hw_number_t inval_irq; - - /* Optional device node pointer */ - struct device_node *of_node; -}; - 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 bool virq_is_host(unsigned int virq, struct irq_host *host); - -/** - * irq_alloc_host - Allocate a new irq_host data structure - * @of_node: optional device-tree node of the interrupt controller - * @revmap_type: type of reverse mapping to use - * @revmap_arg: for IRQ_HOST_MAP_LINEAR linear only: size of the map - * @ops: map/unmap host callbacks - * @inval_irq: provide a hw number in that host space that is always invalid - * - * Allocates and initialize and irq_host structure. Note that in the case of - * IRQ_HOST_MAP_LEGACY, the map() callback will be called before this returns - * for all legacy interrupts except 0 (which is always the invalid irq for - * a legacy controller). For a IRQ_HOST_MAP_LINEAR, the map is allocated by - * this call as well. For a IRQ_HOST_MAP_TREE, the radix tree will be allocated - * later during boot automatically (the reverse mapping will use the slow path - * until that happens). - */ -extern struct irq_host *irq_alloc_host(struct device_node *of_node, - unsigned int revmap_type, - unsigned int revmap_arg, - struct irq_host_ops *ops, - irq_hw_number_t inval_irq); - - -/** - * irq_find_host - Locates a host for a given device node - * @node: device-tree node of the interrupt controller - */ -extern struct irq_host *irq_find_host(struct device_node *node); - - -/** - * irq_set_default_host - Set a "default" host - * @host: default host pointer - * - * For convenience, it's possible to set a "default" host that will be used - * whenever NULL is passed to irq_create_mapping(). It makes life easier for - * platforms that want to manipulate a few hard coded interrupt numbers that - * aren't properly represented in the device-tree. - */ -extern void irq_set_default_host(struct irq_host *host); - - -/** - * irq_set_virq_count - Set the maximum number of virt irqs - * @count: number of linux virtual irqs, capped with NR_IRQS - * - * This is mainly for use by platforms like iSeries who want to program - * the virtual irq number in the controller to avoid the reverse mapping - */ -extern void irq_set_virq_count(unsigned int count); - - -/** - * irq_create_mapping - Map a hardware interrupt into linux virq space - * @host: host owning this hardware interrupt or NULL for default host - * @hwirq: hardware irq number in that host space - * - * Only one mapping per hardware interrupt is permitted. Returns a linux - * virq number. - * If the sense/trigger is to be specified, set_irq_type() should be called - * on the number returned from that call. - */ -extern unsigned int irq_create_mapping(struct irq_host *host, - irq_hw_number_t hwirq); - - -/** - * irq_dispose_mapping - Unmap an interrupt - * @virq: linux virq number of the interrupt to unmap - */ -extern void irq_dispose_mapping(unsigned int virq); - -/** - * irq_find_mapping - Find a linux virq from an hw irq number. - * @host: host owning this hardware interrupt - * @hwirq: hardware irq number in that host space - * - * This is a slow path, for use by generic code. It's expected that an - * irq controller implementation directly calls the appropriate low level - * mapping function. - */ -extern unsigned int irq_find_mapping(struct irq_host *host, - irq_hw_number_t hwirq); - -/** - * irq_create_direct_mapping - Allocate a virq for direct mapping - * @host: host to allocate the virq for or NULL for default host - * - * This routine is used for irq controllers which can choose the hardware - * interrupt numbers they generate. In such a case it's simplest to use - * the linux virq as the hardware interrupt number. - */ -extern unsigned int irq_create_direct_mapping(struct irq_host *host); - -/** - * irq_radix_revmap_insert - Insert a hw irq to linux virq number mapping. - * @host: host owning this hardware interrupt - * @virq: linux irq number - * @hwirq: hardware irq number in that host space - * - * This is for use by irq controllers that use a radix tree reverse - * mapping for fast lookup. - */ -extern void irq_radix_revmap_insert(struct irq_host *host, unsigned int virq, - irq_hw_number_t hwirq); - -/** - * irq_radix_revmap_lookup - Find a linux virq from a hw irq number. - * @host: host owning this hardware interrupt - * @hwirq: hardware irq number in that host space - * - * This is a fast path, for use by irq controller code that uses radix tree - * revmaps - */ -extern unsigned int irq_radix_revmap_lookup(struct irq_host *host, - irq_hw_number_t hwirq); - -/** - * irq_linear_revmap - Find a linux virq from a hw irq number. - * @host: host owning this hardware interrupt - * @hwirq: hardware irq number in that host space - * - * This is a fast path, for use by irq controller code that uses linear - * revmaps. It does fallback to the slow path if the revmap doesn't exist - * yet and will create the revmap entry with appropriate locking - */ - -extern unsigned int irq_linear_revmap(struct irq_host *host, - irq_hw_number_t hwirq); - - - -/** - * irq_alloc_virt - Allocate virtual irq numbers - * @host: host owning these new virtual irqs - * @count: number of consecutive numbers to allocate - * @hint: pass a hint number, the allocator will try to use a 1:1 mapping - * - * This is a low level function that is used internally by irq_create_mapping() - * and that can be used by some irq controllers implementations for things - * like allocating ranges of numbers for MSIs. The revmaps are left untouched. - */ -extern unsigned int irq_alloc_virt(struct irq_host *host, - unsigned int count, - unsigned int hint); - -/** - * irq_free_virt - Free virtual irq numbers - * @virq: virtual irq number of the first interrupt to free - * @count: number of interrupts to free - * - * This function is the opposite of irq_alloc_virt. It will not clear reverse - * maps, this should be done previously by unmap'ing the interrupt. In fact, - * all interrupts covered by the range being freed should have been unmapped - * prior to calling this. - */ -extern void irq_free_virt(unsigned int virq, unsigned int count); /** * irq_early_init - Init irq remapping subsystem diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h index b0b06d85788d..6f9b6e23dc5a 100644 --- a/arch/powerpc/include/asm/irqflags.h +++ b/arch/powerpc/include/asm/irqflags.h @@ -39,24 +39,31 @@ #define TRACE_ENABLE_INTS TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_on) #define TRACE_DISABLE_INTS TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_off) -#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) \ - cmpdi en,0; \ - bne 95f; \ - stb en,PACASOFTIRQEN(r13); \ - TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_off) \ - b skip; \ -95: TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_on) \ - li en,1; -#define TRACE_AND_RESTORE_IRQ(en) \ - TRACE_AND_RESTORE_IRQ_PARTIAL(en,96f); \ - stb en,PACASOFTIRQEN(r13); \ -96: +/* + * This is used by assembly code to soft-disable interrupts + */ +#define SOFT_DISABLE_INTS(__rA, __rB) \ + lbz __rA,PACASOFTIRQEN(r13); \ + lbz __rB,PACAIRQHAPPENED(r13); \ + cmpwi cr0,__rA,0; \ + li __rA,0; \ + ori __rB,__rB,PACA_IRQ_HARD_DIS; \ + stb __rB,PACAIRQHAPPENED(r13); \ + beq 44f; \ + stb __rA,PACASOFTIRQEN(r13); \ + TRACE_DISABLE_INTS; \ +44: + #else #define TRACE_ENABLE_INTS #define TRACE_DISABLE_INTS -#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) -#define TRACE_AND_RESTORE_IRQ(en) \ - stb en,PACASOFTIRQEN(r13) + +#define SOFT_DISABLE_INTS(__rA, __rB) \ + lbz __rA,PACAIRQHAPPENED(r13); \ + li __rB,0; \ + ori __rA,__rA,PACA_IRQ_HARD_DIS; \ + stb __rB,PACASOFTIRQEN(r13); \ + stb __rA,PACAIRQHAPPENED(r13) #endif #endif diff --git a/arch/powerpc/include/asm/iseries/alpaca.h b/arch/powerpc/include/asm/iseries/alpaca.h deleted file mode 100644 index c0cce6727a69..000000000000 --- a/arch/powerpc/include/asm/iseries/alpaca.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Copyright © 2008 Stephen Rothwell IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef _ASM_POWERPC_ISERIES_ALPACA_H -#define _ASM_POWERPC_ISERIES_ALPACA_H - -/* - * This is the part of the paca that the iSeries hypervisor - * needs to be statically initialised. Immediately after boot - * we switch to the normal Linux paca. - */ -struct alpaca { - struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */ - const void *reg_save_ptr; /* Pointer to LpRegSave for PLIC */ -}; - -#endif /* _ASM_POWERPC_ISERIES_ALPACA_H */ diff --git a/arch/powerpc/include/asm/iseries/hv_call.h b/arch/powerpc/include/asm/iseries/hv_call.h deleted file mode 100644 index 162d653ad51f..000000000000 --- a/arch/powerpc/include/asm/iseries/hv_call.h +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Copyright (C) 2001 Mike Corrigan IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * This file contains the "hypervisor call" interface which is used to - * drive the hypervisor from the OS. - */ -#ifndef _ASM_POWERPC_ISERIES_HV_CALL_H -#define _ASM_POWERPC_ISERIES_HV_CALL_H - -#include <asm/iseries/hv_call_sc.h> -#include <asm/iseries/hv_types.h> -#include <asm/paca.h> - -/* Type of yield for HvCallBaseYieldProcessor */ -#define HvCall_YieldTimed 0 /* Yield until specified time (tb) */ -#define HvCall_YieldToActive 1 /* Yield until all active procs have run */ -#define HvCall_YieldToProc 2 /* Yield until the specified processor has run */ - -/* interrupt masks for setEnabledInterrupts */ -#define HvCall_MaskIPI 0x00000001 -#define HvCall_MaskLpEvent 0x00000002 -#define HvCall_MaskLpProd 0x00000004 -#define HvCall_MaskTimeout 0x00000008 - -/* Log buffer formats */ -#define HvCall_LogBuffer_ASCII 0 -#define HvCall_LogBuffer_EBCDIC 1 - -#define HvCallBaseAckDeferredInts HvCallBase + 0 -#define HvCallBaseCpmPowerOff HvCallBase + 1 -#define HvCallBaseGetHwPatch HvCallBase + 2 -#define HvCallBaseReIplSpAttn HvCallBase + 3 -#define HvCallBaseSetASR HvCallBase + 4 -#define HvCallBaseSetASRAndRfi HvCallBase + 5 -#define HvCallBaseSetIMR HvCallBase + 6 -#define HvCallBaseSendIPI HvCallBase + 7 -#define HvCallBaseTerminateMachine HvCallBase + 8 -#define HvCallBaseTerminateMachineSrc HvCallBase + 9 -#define HvCallBaseProcessPlicInterrupts HvCallBase + 10 -#define HvCallBaseIsPrimaryCpmOrMsdIpl HvCallBase + 11 -#define HvCallBaseSetVirtualSIT HvCallBase + 12 -#define HvCallBaseVaryOffThisProcessor HvCallBase + 13 -#define HvCallBaseVaryOffMemoryChunk HvCallBase + 14 -#define HvCallBaseVaryOffInteractivePercentage HvCallBase + 15 -#define HvCallBaseSendLpProd HvCallBase + 16 -#define HvCallBaseSetEnabledInterrupts HvCallBase + 17 -#define HvCallBaseYieldProcessor HvCallBase + 18 -#define HvCallBaseVaryOffSharedProcUnits HvCallBase + 19 -#define HvCallBaseSetVirtualDecr HvCallBase + 20 -#define HvCallBaseClearLogBuffer HvCallBase + 21 -#define HvCallBaseGetLogBufferCodePage HvCallBase + 22 -#define HvCallBaseGetLogBufferFormat HvCallBase + 23 -#define HvCallBaseGetLogBufferLength HvCallBase + 24 -#define HvCallBaseReadLogBuffer HvCallBase + 25 -#define HvCallBaseSetLogBufferFormatAndCodePage HvCallBase + 26 -#define HvCallBaseWriteLogBuffer HvCallBase + 27 -#define HvCallBaseRouter28 HvCallBase + 28 -#define HvCallBaseRouter29 HvCallBase + 29 -#define HvCallBaseRouter30 HvCallBase + 30 -#define HvCallBaseSetDebugBus HvCallBase + 31 - -#define HvCallCcSetDABR HvCallCc + 7 - -static inline void HvCall_setVirtualDecr(void) -{ - /* - * Ignore any error return codes - most likely means that the - * target value for the LP has been increased and this vary off - * would bring us below the new target. - */ - HvCall0(HvCallBaseSetVirtualDecr); -} - -static inline void HvCall_yieldProcessor(unsigned typeOfYield, u64 yieldParm) -{ - HvCall2(HvCallBaseYieldProcessor, typeOfYield, yieldParm); -} - -static inline void HvCall_setEnabledInterrupts(u64 enabledInterrupts) -{ - HvCall1(HvCallBaseSetEnabledInterrupts, enabledInterrupts); -} - -static inline void HvCall_setLogBufferFormatAndCodepage(int format, - u32 codePage) -{ - HvCall2(HvCallBaseSetLogBufferFormatAndCodePage, format, codePage); -} - -extern void HvCall_writeLogBuffer(const void *buffer, u64 bufLen); - -static inline void HvCall_sendIPI(struct paca_struct *targetPaca) -{ - HvCall1(HvCallBaseSendIPI, targetPaca->paca_index); -} - -#endif /* _ASM_POWERPC_ISERIES_HV_CALL_H */ diff --git a/arch/powerpc/include/asm/iseries/hv_call_event.h b/arch/powerpc/include/asm/iseries/hv_call_event.h deleted file mode 100644 index cc029d388e11..000000000000 --- a/arch/powerpc/include/asm/iseries/hv_call_event.h +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright (C) 2001 Mike Corrigan IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * This file contains the "hypervisor call" interface which is used to - * drive the hypervisor from the OS. - */ -#ifndef _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H -#define _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H - -#include <linux/types.h> -#include <linux/dma-mapping.h> - -#include <asm/iseries/hv_call_sc.h> -#include <asm/iseries/hv_types.h> -#include <asm/abs_addr.h> - -struct HvLpEvent; - -typedef u8 HvLpEvent_Type; -typedef u8 HvLpEvent_AckInd; -typedef u8 HvLpEvent_AckType; - -typedef u8 HvLpDma_Direction; -typedef u8 HvLpDma_AddressType; - -typedef u64 HvLpEvent_Rc; -typedef u64 HvLpDma_Rc; - -#define HvCallEventAckLpEvent HvCallEvent + 0 -#define HvCallEventCancelLpEvent HvCallEvent + 1 -#define HvCallEventCloseLpEventPath HvCallEvent + 2 -#define HvCallEventDmaBufList HvCallEvent + 3 -#define HvCallEventDmaSingle HvCallEvent + 4 -#define HvCallEventDmaToSp HvCallEvent + 5 -#define HvCallEventGetOverflowLpEvents HvCallEvent + 6 -#define HvCallEventGetSourceLpInstanceId HvCallEvent + 7 -#define HvCallEventGetTargetLpInstanceId HvCallEvent + 8 -#define HvCallEventOpenLpEventPath HvCallEvent + 9 -#define HvCallEventSetLpEventStack HvCallEvent + 10 -#define HvCallEventSignalLpEvent HvCallEvent + 11 -#define HvCallEventSignalLpEventParms HvCallEvent + 12 -#define HvCallEventSetInterLpQueueIndex HvCallEvent + 13 -#define HvCallEventSetLpEventQueueInterruptProc HvCallEvent + 14 -#define HvCallEventRouter15 HvCallEvent + 15 - -static inline void HvCallEvent_getOverflowLpEvents(u8 queueIndex) -{ - HvCall1(HvCallEventGetOverflowLpEvents, queueIndex); -} - -static inline void HvCallEvent_setInterLpQueueIndex(u8 queueIndex) -{ - HvCall1(HvCallEventSetInterLpQueueIndex, queueIndex); -} - -static inline void HvCallEvent_setLpEventStack(u8 queueIndex, - char *eventStackAddr, u32 eventStackSize) -{ - HvCall3(HvCallEventSetLpEventStack, queueIndex, - virt_to_abs(eventStackAddr), eventStackSize); -} - -static inline void HvCallEvent_setLpEventQueueInterruptProc(u8 queueIndex, - u16 lpLogicalProcIndex) -{ - HvCall2(HvCallEventSetLpEventQueueInterruptProc, queueIndex, - lpLogicalProcIndex); -} - -static inline HvLpEvent_Rc HvCallEvent_signalLpEvent(struct HvLpEvent *event) -{ - return HvCall1(HvCallEventSignalLpEvent, virt_to_abs(event)); -} - -static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp, - HvLpEvent_Type type, u16 subtype, HvLpEvent_AckInd ackInd, - HvLpEvent_AckType ackType, HvLpInstanceId sourceInstanceId, - HvLpInstanceId targetInstanceId, u64 correlationToken, - u64 eventData1, u64 eventData2, u64 eventData3, - u64 eventData4, u64 eventData5) -{ - /* Pack the misc bits into a single Dword to pass to PLIC */ - union { - struct { - u8 ack_and_target; - u8 type; - u16 subtype; - HvLpInstanceId src_inst; - HvLpInstanceId target_inst; - } parms; - u64 dword; - } packed; - - packed.parms.ack_and_target = (ackType << 7) | (ackInd << 6) | targetLp; - packed.parms.type = type; - packed.parms.subtype = subtype; - packed.parms.src_inst = sourceInstanceId; - packed.parms.target_inst = targetInstanceId; - - return HvCall7(HvCallEventSignalLpEventParms, packed.dword, - correlationToken, eventData1, eventData2, - eventData3, eventData4, eventData5); -} - -extern void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag); -extern void iseries_hv_free(size_t size, void *vaddr, dma_addr_t dma_handle); -extern dma_addr_t iseries_hv_map(void *vaddr, size_t size, - enum dma_data_direction direction); -extern void iseries_hv_unmap(dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction); - -static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event) -{ - return HvCall1(HvCallEventAckLpEvent, virt_to_abs(event)); -} - -static inline HvLpEvent_Rc HvCallEvent_cancelLpEvent(struct HvLpEvent *event) -{ - return HvCall1(HvCallEventCancelLpEvent, virt_to_abs(event)); -} - -static inline HvLpInstanceId HvCallEvent_getSourceLpInstanceId( - HvLpIndex targetLp, HvLpEvent_Type type) -{ - return HvCall2(HvCallEventGetSourceLpInstanceId, targetLp, type); -} - -static inline HvLpInstanceId HvCallEvent_getTargetLpInstanceId( - HvLpIndex targetLp, HvLpEvent_Type type) -{ - return HvCall2(HvCallEventGetTargetLpInstanceId, targetLp, type); -} - -static inline void HvCallEvent_openLpEventPath(HvLpIndex targetLp, - HvLpEvent_Type type) -{ - HvCall2(HvCallEventOpenLpEventPath, targetLp, type); -} - -static inline void HvCallEvent_closeLpEventPath(HvLpIndex targetLp, - HvLpEvent_Type type) -{ - HvCall2(HvCallEventCloseLpEventPath, targetLp, type); -} - -static inline HvLpDma_Rc HvCallEvent_dmaBufList(HvLpEvent_Type type, - HvLpIndex remoteLp, HvLpDma_Direction direction, - HvLpInstanceId localInstanceId, - HvLpInstanceId remoteInstanceId, - HvLpDma_AddressType localAddressType, - HvLpDma_AddressType remoteAddressType, - /* Do these need to be converted to absolute addresses? */ - u64 localBufList, u64 remoteBufList, u32 transferLength) -{ - /* Pack the misc bits into a single Dword to pass to PLIC */ - union { - struct { - u8 flags; - HvLpIndex remote; - u8 type; - u8 reserved; - HvLpInstanceId local_inst; - HvLpInstanceId remote_inst; - } parms; - u64 dword; - } packed; - - packed.parms.flags = (direction << 7) | - (localAddressType << 6) | (remoteAddressType << 5); - packed.parms.remote = remoteLp; - packed.parms.type = type; - packed.parms.reserved = 0; - packed.parms.local_inst = localInstanceId; - packed.parms.remote_inst = remoteInstanceId; - - return HvCall4(HvCallEventDmaBufList, packed.dword, localBufList, - remoteBufList, transferLength); -} - -static inline HvLpDma_Rc HvCallEvent_dmaToSp(void *local, u32 remote, - u32 length, HvLpDma_Direction dir) -{ - return HvCall4(HvCallEventDmaToSp, virt_to_abs(local), remote, - length, dir); -} - -#endif /* _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H */ diff --git a/arch/powerpc/include/asm/iseries/hv_call_sc.h b/arch/powerpc/include/asm/iseries/hv_call_sc.h deleted file mode 100644 index f5d210959250..000000000000 --- a/arch/powerpc/include/asm/iseries/hv_call_sc.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright (C) 2001 Mike Corrigan IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef _ASM_POWERPC_ISERIES_HV_CALL_SC_H -#define _ASM_POWERPC_ISERIES_HV_CALL_SC_H - -#include <linux/types.h> - -#define HvCallBase 0x8000000000000000ul -#define HvCallCc 0x8001000000000000ul -#define HvCallCfg 0x8002000000000000ul -#define HvCallEvent 0x8003000000000000ul -#define HvCallHpt 0x8004000000000000ul -#define HvCallPci 0x8005000000000000ul -#define HvCallSm 0x8007000000000000ul -#define HvCallXm 0x8009000000000000ul - -extern u64 HvCall0(u64); -extern u64 HvCall1(u64, u64); -extern u64 HvCall2(u64, u64, u64); -extern u64 HvCall3(u64, u64, u64, u64); -extern u64 HvCall4(u64, u64, u64, u64, u64); -extern u64 HvCall5(u64, u64, u64, u64, u64, u64); -extern u64 HvCall6(u64, u64, u64, u64, u64, u64, u64); -extern u64 HvCall7(u64, u64, u64, u64, u64, u64, u64, u64); - -extern u64 HvCall0Ret16(u64, void *); -extern u64 HvCall1Ret16(u64, void *, u64); -extern u64 HvCall2Ret16(u64, void *, u64, u64); -extern u64 HvCall3Ret16(u64, void *, u64, u64, u64); -extern u64 HvCall4Ret16(u64, void *, u64, u64, u64, u64); -extern u64 HvCall5Ret16(u64, void *, u64, u64, u64, u64, u64); -extern u64 HvCall6Ret16(u64, void *, u64, u64, u64, u64, u64, u64); -extern u64 HvCall7Ret16(u64, void *, u64, u64 ,u64 ,u64 ,u64 ,u64 ,u64); - -#endif /* _ASM_POWERPC_ISERIES_HV_CALL_SC_H */ diff --git a/arch/powerpc/include/asm/iseries/hv_call_xm.h b/arch/powerpc/include/asm/iseries/hv_call_xm.h deleted file mode 100644 index 392ac3f54df0..000000000000 --- a/arch/powerpc/include/asm/iseries/hv_call_xm.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * This file contains the "hypervisor call" interface which is used to - * drive the hypervisor from SLIC. - */ -#ifndef _ASM_POWERPC_ISERIES_HV_CALL_XM_H -#define _ASM_POWERPC_ISERIES_HV_CALL_XM_H - -#include <asm/iseries/hv_call_sc.h> -#include <asm/iseries/hv_types.h> - -#define HvCallXmGetTceTableParms HvCallXm + 0 -#define HvCallXmTestBus HvCallXm + 1 -#define HvCallXmConnectBusUnit HvCallXm + 2 -#define HvCallXmLoadTod HvCallXm + 8 -#define HvCallXmTestBusUnit HvCallXm + 9 -#define HvCallXmSetTce HvCallXm + 11 -#define HvCallXmSetTces HvCallXm + 13 - -static inline void HvCallXm_getTceTableParms(u64 cb) -{ - HvCall1(HvCallXmGetTceTableParms, cb); -} - -static inline u64 HvCallXm_setTce(u64 tceTableToken, u64 tceOffset, u64 tce) -{ - return HvCall3(HvCallXmSetTce, tceTableToken, tceOffset, tce); -} - -static inline u64 HvCallXm_setTces(u64 tceTableToken, u64 tceOffset, - u64 numTces, u64 tce1, u64 tce2, u64 tce3, u64 tce4) -{ - return HvCall7(HvCallXmSetTces, tceTableToken, tceOffset, numTces, - tce1, tce2, tce3, tce4); -} - -static inline u64 HvCallXm_testBus(u16 busNumber) -{ - return HvCall1(HvCallXmTestBus, busNumber); -} - -static inline u64 HvCallXm_testBusUnit(u16 busNumber, u8 subBusNumber, - u8 deviceId) -{ - return HvCall2(HvCallXmTestBusUnit, busNumber, - (subBusNumber << 8) | deviceId); -} - -static inline u64 HvCallXm_connectBusUnit(u16 busNumber, u8 subBusNumber, - u8 deviceId, u64 interruptToken) -{ - return HvCall5(HvCallXmConnectBusUnit, busNumber, - (subBusNumber << 8) | deviceId, interruptToken, 0, - 0 /* HvLpConfig::mapDsaToQueueIndex(HvLpDSA(busNumber, xBoard, xCard)) */); -} - -static inline u64 HvCallXm_loadTod(void) -{ - return HvCall0(HvCallXmLoadTod); -} - -#endif /* _ASM_POWERPC_ISERIES_HV_CALL_XM_H */ diff --git a/arch/powerpc/include/asm/iseries/hv_lp_config.h b/arch/powerpc/include/asm/iseries/hv_lp_config.h deleted file mode 100644 index a006fd1e4a2c..000000000000 --- a/arch/powerpc/include/asm/iseries/hv_lp_config.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright (C) 2001 Mike Corrigan IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef _ASM_POWERPC_ISERIES_HV_LP_CONFIG_H -#define _ASM_POWERPC_ISERIES_HV_LP_CONFIG_H - -/* - * This file contains the interface to the LPAR configuration data - * to determine which resources should be allocated to each partition. - */ - -#include <asm/iseries/hv_call_sc.h> -#include <asm/iseries/hv_types.h> - -enum { - HvCallCfg_Cur = 0, - HvCallCfg_Init = 1, - HvCallCfg_Max = 2, - HvCallCfg_Min = 3 -}; - -#define HvCallCfgGetSystemPhysicalProcessors HvCallCfg + 6 -#define HvCallCfgGetPhysicalProcessors HvCallCfg + 7 -#define HvCallCfgGetMsChunks HvCallCfg + 9 -#define HvCallCfgGetSharedPoolIndex HvCallCfg + 20 -#define HvCallCfgGetSharedProcUnits HvCallCfg + 21 -#define HvCallCfgGetNumProcsInSharedPool HvCallCfg + 22 -#define HvCallCfgGetVirtualLanIndexMap HvCallCfg + 30 -#define HvCallCfgGetHostingLpIndex HvCallCfg + 32 - -extern HvLpIndex HvLpConfig_getLpIndex_outline(void); -extern HvLpIndex HvLpConfig_getLpIndex(void); -extern HvLpIndex HvLpConfig_getPrimaryLpIndex(void); - -static inline u64 HvLpConfig_getMsChunks(void) -{ - return HvCall2(HvCallCfgGetMsChunks, HvLpConfig_getLpIndex(), - HvCallCfg_Cur); -} - -static inline u64 HvLpConfig_getSystemPhysicalProcessors(void) -{ - return HvCall0(HvCallCfgGetSystemPhysicalProcessors); -} - -static inline u64 HvLpConfig_getNumProcsInSharedPool(HvLpSharedPoolIndex sPI) -{ - return (u16)HvCall1(HvCallCfgGetNumProcsInSharedPool, sPI); -} - -static inline u64 HvLpConfig_getPhysicalProcessors(void) -{ - return HvCall2(HvCallCfgGetPhysicalProcessors, HvLpConfig_getLpIndex(), - HvCallCfg_Cur); -} - -static inline HvLpSharedPoolIndex HvLpConfig_getSharedPoolIndex(void) -{ - return HvCall1(HvCallCfgGetSharedPoolIndex, HvLpConfig_getLpIndex()); -} - -static inline u64 HvLpConfig_getSharedProcUnits(void) -{ - return HvCall2(HvCallCfgGetSharedProcUnits, HvLpConfig_getLpIndex(), - HvCallCfg_Cur); -} - -static inline u64 HvLpConfig_getMaxSharedProcUnits(void) -{ - return HvCall2(HvCallCfgGetSharedProcUnits, HvLpConfig_getLpIndex(), - HvCallCfg_Max); -} - -static inline u64 HvLpConfig_getMaxPhysicalProcessors(void) -{ - return HvCall2(HvCallCfgGetPhysicalProcessors, HvLpConfig_getLpIndex(), - HvCallCfg_Max); -} - -static inline HvLpVirtualLanIndexMap HvLpConfig_getVirtualLanIndexMapForLp( - HvLpIndex lp) -{ - /* - * This is a new function in V5R1 so calls to this on older - * hypervisors will return -1 - */ - u64 retVal = HvCall1(HvCallCfgGetVirtualLanIndexMap, lp); - if (retVal == -1) - retVal = 0; - return retVal; -} - -static inline HvLpVirtualLanIndexMap HvLpConfig_getVirtualLanIndexMap(void) -{ - return HvLpConfig_getVirtualLanIndexMapForLp( - HvLpConfig_getLpIndex_outline()); -} - -static inline int HvLpConfig_doLpsCommunicateOnVirtualLan(HvLpIndex lp1, - HvLpIndex lp2) -{ - HvLpVirtualLanIndexMap virtualLanIndexMap1 = - HvLpConfig_getVirtualLanIndexMapForLp(lp1); - HvLpVirtualLanIndexMap virtualLanIndexMap2 = - HvLpConfig_getVirtualLanIndexMapForLp(lp2); - return ((virtualLanIndexMap1 & virtualLanIndexMap2) != 0); -} - -static inline HvLpIndex HvLpConfig_getHostingLpIndex(HvLpIndex lp) -{ - return HvCall1(HvCallCfgGetHostingLpIndex, lp); -} - -#endif /* _ASM_POWERPC_ISERIES_HV_LP_CONFIG_H */ diff --git a/arch/powerpc/include/asm/iseries/hv_lp_event.h b/arch/powerpc/include/asm/iseries/hv_lp_event.h deleted file mode 100644 index 8f5da7d77202..000000000000 --- a/arch/powerpc/include/asm/iseries/hv_lp_event.h +++ /dev/null @@ -1,162 +0,0 @@ -/* - * Copyright (C) 2001 Mike Corrigan IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* This file contains the class for HV events in the system. */ - -#ifndef _ASM_POWERPC_ISERIES_HV_LP_EVENT_H -#define _ASM_POWERPC_ISERIES_HV_LP_EVENT_H - -#include <asm/types.h> -#include <asm/ptrace.h> -#include <asm/iseries/hv_types.h> -#include <asm/iseries/hv_call_event.h> - -/* - * HvLpEvent is the structure for Lp Event messages passed between - * partitions through PLIC. - */ - -struct HvLpEvent { - u8 flags; /* Event flags x00-x00 */ - u8 xType; /* Type of message x01-x01 */ - u16 xSubtype; /* Subtype for event x02-x03 */ - u8 xSourceLp; /* Source LP x04-x04 */ - u8 xTargetLp; /* Target LP x05-x05 */ - u8 xSizeMinus1; /* Size of Derived class - 1 x06-x06 */ - u8 xRc; /* RC for Ack flows x07-x07 */ - u16 xSourceInstanceId; /* Source sides instance id x08-x09 */ - u16 xTargetInstanceId; /* Target sides instance id x0A-x0B */ - union { - u32 xSubtypeData; /* Data usable by the subtype x0C-x0F */ - u16 xSubtypeDataShort[2]; /* Data as 2 shorts */ - u8 xSubtypeDataChar[4]; /* Data as 4 chars */ - } x; - - u64 xCorrelationToken; /* Unique value for source/type x10-x17 */ -}; - -typedef void (*LpEventHandler)(struct HvLpEvent *); - -/* Register a handler for an event type - returns 0 on success */ -extern int HvLpEvent_registerHandler(HvLpEvent_Type eventType, - LpEventHandler hdlr); - -/* - * Unregister a handler for an event type - * - * This call will sleep until the handler being removed is guaranteed to - * be no longer executing on any CPU. Do not call with locks held. - * - * returns 0 on success - * Unregister will fail if there are any paths open for the type - */ -extern int HvLpEvent_unregisterHandler(HvLpEvent_Type eventType); - -/* - * Open an Lp Event Path for an event type - * returns 0 on success - * openPath will fail if there is no handler registered for the event type. - * The lpIndex specified is the partition index for the target partition - * (for VirtualIo, VirtualLan and SessionMgr) other types specify zero) - */ -extern int HvLpEvent_openPath(HvLpEvent_Type eventType, HvLpIndex lpIndex); - -/* - * Close an Lp Event Path for a type and partition - * returns 0 on success - */ -extern int HvLpEvent_closePath(HvLpEvent_Type eventType, HvLpIndex lpIndex); - -#define HvLpEvent_Type_Hypervisor 0 -#define HvLpEvent_Type_MachineFac 1 -#define HvLpEvent_Type_SessionMgr 2 -#define HvLpEvent_Type_SpdIo 3 -#define HvLpEvent_Type_VirtualBus 4 -#define HvLpEvent_Type_PciIo 5 -#define HvLpEvent_Type_RioIo 6 -#define HvLpEvent_Type_VirtualLan 7 -#define HvLpEvent_Type_VirtualIo 8 -#define HvLpEvent_Type_NumTypes 9 - -#define HvLpEvent_Rc_Good 0 -#define HvLpEvent_Rc_BufferNotAvailable 1 -#define HvLpEvent_Rc_Cancelled 2 -#define HvLpEvent_Rc_GenericError 3 -#define HvLpEvent_Rc_InvalidAddress 4 -#define HvLpEvent_Rc_InvalidPartition 5 -#define HvLpEvent_Rc_InvalidSize 6 -#define HvLpEvent_Rc_InvalidSubtype 7 -#define HvLpEvent_Rc_InvalidSubtypeData 8 -#define HvLpEvent_Rc_InvalidType 9 -#define HvLpEvent_Rc_PartitionDead 10 -#define HvLpEvent_Rc_PathClosed 11 -#define HvLpEvent_Rc_SubtypeError 12 - -#define HvLpEvent_Function_Ack 0 -#define HvLpEvent_Function_Int 1 - -#define HvLpEvent_AckInd_NoAck 0 -#define HvLpEvent_AckInd_DoAck 1 - -#define HvLpEvent_AckType_ImmediateAck 0 -#define HvLpEvent_AckType_DeferredAck 1 - -#define HV_LP_EVENT_INT 0x01 -#define HV_LP_EVENT_DO_ACK 0x02 -#define HV_LP_EVENT_DEFERRED_ACK 0x04 -#define HV_LP_EVENT_VALID 0x80 - -#define HvLpDma_Direction_LocalToRemote 0 -#define HvLpDma_Direction_RemoteToLocal 1 - -#define HvLpDma_AddressType_TceIndex 0 -#define HvLpDma_AddressType_RealAddress 1 - -#define HvLpDma_Rc_Good 0 -#define HvLpDma_Rc_Error 1 -#define HvLpDma_Rc_PartitionDead 2 -#define HvLpDma_Rc_PathClosed 3 -#define HvLpDma_Rc_InvalidAddress 4 -#define HvLpDma_Rc_InvalidLength 5 - -static inline int hvlpevent_is_valid(struct HvLpEvent *h) -{ - return h->flags & HV_LP_EVENT_VALID; -} - -static inline void hvlpevent_invalidate(struct HvLpEvent *h) -{ - h->flags &= ~ HV_LP_EVENT_VALID; -} - -static inline int hvlpevent_is_int(struct HvLpEvent *h) -{ - return h->flags & HV_LP_EVENT_INT; -} - -static inline int hvlpevent_is_ack(struct HvLpEvent *h) -{ - return !hvlpevent_is_int(h); -} - -static inline int hvlpevent_need_ack(struct HvLpEvent *h) -{ - return h->flags & HV_LP_EVENT_DO_ACK; -} - -#endif /* _ASM_POWERPC_ISERIES_HV_LP_EVENT_H */ diff --git a/arch/powerpc/include/asm/iseries/hv_types.h b/arch/powerpc/include/asm/iseries/hv_types.h deleted file mode 100644 index c3e6d2a1d1c3..000000000000 --- a/arch/powerpc/include/asm/iseries/hv_types.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright (C) 2001 Mike Corrigan IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef _ASM_POWERPC_ISERIES_HV_TYPES_H -#define _ASM_POWERPC_ISERIES_HV_TYPES_H - -/* - * General typedefs for the hypervisor. - */ - -#include <asm/types.h> - -typedef u8 HvLpIndex; -typedef u16 HvLpInstanceId; -typedef u64 HvLpTOD; -typedef u64 HvLpSystemSerialNum; -typedef u8 HvLpDeviceSerialNum[12]; -typedef u16 HvLpSanHwSet; -typedef u16 HvLpBus; -typedef u16 HvLpBoard; -typedef u16 HvLpCard; -typedef u8 HvLpDeviceType[4]; -typedef u8 HvLpDeviceModel[3]; -typedef u64 HvIoToken; -typedef u8 HvLpName[8]; -typedef u32 HvIoId; -typedef u64 HvRealMemoryIndex; -typedef u32 HvLpIndexMap; /* Must hold HVMAXARCHITECTEDLPS bits!!! */ -typedef u16 HvLpVrmIndex; -typedef u32 HvXmGenerationId; -typedef u8 HvLpBusPool; -typedef u8 HvLpSharedPoolIndex; -typedef u16 HvLpSharedProcUnitsX100; -typedef u8 HvLpVirtualLanIndex; -typedef u16 HvLpVirtualLanIndexMap; /* Must hold HVMAXARCHITECTEDVIRTUALLANS bits!!! */ -typedef u16 HvBusNumber; /* Hypervisor Bus Number */ -typedef u8 HvSubBusNumber; /* Hypervisor SubBus Number */ -typedef u8 HvAgentId; /* Hypervisor DevFn */ - - -#define HVMAXARCHITECTEDLPS 32 -#define HVMAXARCHITECTEDVIRTUALLANS 16 -#define HVMAXARCHITECTEDVIRTUALDISKS 32 -#define HVMAXARCHITECTEDVIRTUALCDROMS 8 -#define HVMAXARCHITECTEDVIRTUALTAPES 8 -#define HVCHUNKSIZE (256 * 1024) -#define HVPAGESIZE (4 * 1024) -#define HVLPMINMEGSPRIMARY 256 -#define HVLPMINMEGSSECONDARY 64 -#define HVCHUNKSPERMEG 4 -#define HVPAGESPERMEG 256 -#define HVPAGESPERCHUNK 64 - -#define HvLpIndexInvalid ((HvLpIndex)0xff) - -/* - * Enums for the sub-components under PLIC - * Used in HvCall and HvPrimaryCall - */ -enum { - HvCallCompId = 0, - HvCallCpuCtlsCompId = 1, - HvCallCfgCompId = 2, - HvCallEventCompId = 3, - HvCallHptCompId = 4, - HvCallPciCompId = 5, - HvCallSlmCompId = 6, - HvCallSmCompId = 7, - HvCallSpdCompId = 8, - HvCallXmCompId = 9, - HvCallRioCompId = 10, - HvCallRsvd3CompId = 11, - HvCallRsvd2CompId = 12, - HvCallRsvd1CompId = 13, - HvCallMaxCompId = 14, - HvPrimaryCallCompId = 0, - HvPrimaryCallCfgCompId = 1, - HvPrimaryCallPciCompId = 2, - HvPrimaryCallSmCompId = 3, - HvPrimaryCallSpdCompId = 4, - HvPrimaryCallXmCompId = 5, - HvPrimaryCallRioCompId = 6, - HvPrimaryCallRsvd7CompId = 7, - HvPrimaryCallRsvd6CompId = 8, - HvPrimaryCallRsvd5CompId = 9, - HvPrimaryCallRsvd4CompId = 10, - HvPrimaryCallRsvd3CompId = 11, - HvPrimaryCallRsvd2CompId = 12, - HvPrimaryCallRsvd1CompId = 13, - HvPrimaryCallMaxCompId = HvCallMaxCompId -}; - -struct HvLpBufferList { - u64 addr; - u64 len; -}; - -#endif /* _ASM_POWERPC_ISERIES_HV_TYPES_H */ diff --git a/arch/powerpc/include/asm/iseries/iommu.h b/arch/powerpc/include/asm/iseries/iommu.h deleted file mode 100644 index 1b9692c60899..000000000000 --- a/arch/powerpc/include/asm/iseries/iommu.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef _ASM_POWERPC_ISERIES_IOMMU_H -#define _ASM_POWERPC_ISERIES_IOMMU_H - -/* - * Copyright (C) 2005 Stephen Rothwell, IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the: - * Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, - * Boston, MA 02111-1307 USA - */ - -struct pci_dev; -struct vio_dev; -struct device_node; -struct iommu_table; - -/* Get table parameters from HV */ -extern void iommu_table_getparms_iSeries(unsigned long busno, - unsigned char slotno, unsigned char virtbus, - struct iommu_table *tbl); - -extern struct iommu_table *vio_build_iommu_table_iseries(struct vio_dev *dev); -extern void iommu_vio_init(void); - -#endif /* _ASM_POWERPC_ISERIES_IOMMU_H */ diff --git a/arch/powerpc/include/asm/iseries/it_lp_queue.h b/arch/powerpc/include/asm/iseries/it_lp_queue.h deleted file mode 100644 index 428278838821..000000000000 --- a/arch/powerpc/include/asm/iseries/it_lp_queue.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (C) 2001 Mike Corrigan IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef _ASM_POWERPC_ISERIES_IT_LP_QUEUE_H -#define _ASM_POWERPC_ISERIES_IT_LP_QUEUE_H - -/* - * This control block defines the simple LP queue structure that is - * shared between the hypervisor (PLIC) and the OS in order to send - * events to an LP. - */ - -#include <asm/types.h> -#include <asm/ptrace.h> - -#define IT_LP_MAX_QUEUES 8 - -#define IT_LP_NOT_USED 0 /* Queue will not be used by PLIC */ -#define IT_LP_DEDICATED_IO 1 /* Queue dedicated to IO processor specified */ -#define IT_LP_DEDICATED_LP 2 /* Queue dedicated to LP specified */ -#define IT_LP_SHARED 3 /* Queue shared for both IO and LP */ - -#define IT_LP_EVENT_STACK_SIZE 4096 -#define IT_LP_EVENT_MAX_SIZE 256 -#define IT_LP_EVENT_ALIGN 64 - -struct hvlpevent_queue { -/* - * The hq_current_event is the pointer to the next event stack entry - * that will become valid. The OS must peek at this entry to determine - * if it is valid. PLIC will set the valid indicator as the very last - * store into that entry. - * - * When the OS has completed processing of the event then it will mark - * the event as invalid so that PLIC knows it can store into that event - * location again. - * - * If the event stack fills and there are overflow events, then PLIC - * will set the hq_overflow_pending flag in which case the OS will - * have to fetch the additional LP events once they have drained the - * event stack. - * - * The first 16-bytes are known by both the OS and PLIC. The remainder - * of the cache line is for use by the OS. - */ - u8 hq_overflow_pending; /* 0x00 Overflow events are pending */ - u8 hq_status; /* 0x01 DedicatedIo or DedicatedLp or NotUsed */ - u16 hq_proc_index; /* 0x02 Logical Proc Index for correlation */ - u8 hq_reserved1[12]; /* 0x04 */ - char *hq_current_event; /* 0x10 */ - char *hq_last_event; /* 0x18 */ - char *hq_event_stack; /* 0x20 */ - u8 hq_index; /* 0x28 unique sequential index. */ - u8 hq_reserved2[3]; /* 0x29-2b */ - spinlock_t hq_lock; -}; - -extern struct hvlpevent_queue hvlpevent_queue; - -extern int hvlpevent_is_pending(void); -extern void process_hvlpevents(void); -extern void setup_hvlpevent_queue(void); - -#endif /* _ASM_POWERPC_ISERIES_IT_LP_QUEUE_H */ diff --git a/arch/powerpc/include/asm/iseries/lpar_map.h b/arch/powerpc/include/asm/iseries/lpar_map.h deleted file mode 100644 index 5e9f3e128ee2..000000000000 --- a/arch/powerpc/include/asm/iseries/lpar_map.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Copyright (C) 2001 Mike Corrigan IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef _ASM_POWERPC_ISERIES_LPAR_MAP_H -#define _ASM_POWERPC_ISERIES_LPAR_MAP_H - -#ifndef __ASSEMBLY__ - -#include <asm/types.h> - -#endif - -/* - * The iSeries hypervisor will set up mapping for one or more - * ESID/VSID pairs (in SLB/segment registers) and will set up - * mappings of one or more ranges of pages to VAs. - * We will have the hypervisor set up the ESID->VSID mapping - * for the four kernel segments (C-F). With shared processors, - * the hypervisor will clear all segment registers and reload - * these four whenever the processor is switched from one - * partition to another. - */ - -/* The Vsid and Esid identified below will be used by the hypervisor - * to set up a memory mapping for part of the load area before giving - * control to the Linux kernel. The load area is 64 MB, but this must - * not attempt to map the whole load area. The Hashed Page Table may - * need to be located within the load area (if the total partition size - * is 64 MB), but cannot be mapped. Typically, this should specify - * to map half (32 MB) of the load area. - * - * The hypervisor will set up page table entries for the number of - * pages specified. - * - * In 32-bit mode, the hypervisor will load all four of the - * segment registers (identified by the low-order four bits of the - * Esid field. In 64-bit mode, the hypervisor will load one SLB - * entry to map the Esid to the Vsid. -*/ - -#define HvEsidsToMap 2 -#define HvRangesToMap 1 - -/* Hypervisor initially maps 32MB of the load area */ -#define HvPagesToMap 8192 - -#ifndef __ASSEMBLY__ -struct LparMap { - u64 xNumberEsids; // Number of ESID/VSID pairs - u64 xNumberRanges; // Number of VA ranges to map - u64 xSegmentTableOffs; // Page number within load area of seg table - u64 xRsvd[5]; - struct { - u64 xKernelEsid; // Esid used to map kernel load - u64 xKernelVsid; // Vsid used to map kernel load - } xEsids[HvEsidsToMap]; - struct { - u64 xPages; // Number of pages to be mapped - u64 xOffset; // Offset from start of load area - u64 xVPN; // Virtual Page Number - } xRanges[HvRangesToMap]; -}; - -extern const struct LparMap xLparMap; - -#endif /* __ASSEMBLY__ */ - -/* the fixed address where the LparMap exists */ -#define LPARMAP_PHYS 0x7000 - -#endif /* _ASM_POWERPC_ISERIES_LPAR_MAP_H */ diff --git a/arch/powerpc/include/asm/iseries/mf.h b/arch/powerpc/include/asm/iseries/mf.h deleted file mode 100644 index eb851a9c9e5c..000000000000 --- a/arch/powerpc/include/asm/iseries/mf.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (C) 2001 Troy D. Armstrong IBM Corporation - * Copyright (C) 2004 Stephen Rothwell IBM Corporation - * - * This modules exists as an interface between a Linux secondary partition - * running on an iSeries and the primary partition's Virtual Service - * Processor (VSP) object. The VSP has final authority over powering on/off - * all partitions in the iSeries. It also provides miscellaneous low-level - * machine facility type operations. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef _ASM_POWERPC_ISERIES_MF_H -#define _ASM_POWERPC_ISERIES_MF_H - -#include <linux/types.h> - -#include <asm/iseries/hv_types.h> -#include <asm/iseries/hv_call_event.h> - -struct rtc_time; - -typedef void (*MFCompleteHandler)(void *clientToken, int returnCode); - -extern void mf_allocate_lp_events(HvLpIndex targetLp, HvLpEvent_Type type, - unsigned size, unsigned amount, MFCompleteHandler hdlr, - void *userToken); -extern void mf_deallocate_lp_events(HvLpIndex targetLp, HvLpEvent_Type type, - unsigned count, MFCompleteHandler hdlr, void *userToken); - -extern void mf_power_off(void); -extern void mf_reboot(char *cmd); - -extern void mf_display_src(u32 word); -extern void mf_display_progress(u16 value); - -extern void mf_init(void); - -#endif /* _ASM_POWERPC_ISERIES_MF_H */ diff --git a/arch/powerpc/include/asm/iseries/vio.h b/arch/powerpc/include/asm/iseries/vio.h deleted file mode 100644 index f9ac0d00b951..000000000000 --- a/arch/powerpc/include/asm/iseries/vio.h +++ /dev/null @@ -1,265 +0,0 @@ -/* -*- linux-c -*- - * - * iSeries Virtual I/O Message Path header - * - * Authors: Dave Boutcher <boutcher@us.ibm.com> - * Ryan Arnold <ryanarn@us.ibm.com> - * Colin Devilbiss <devilbis@us.ibm.com> - * - * (C) Copyright 2000 IBM Corporation - * - * This header file is used by the iSeries virtual I/O device - * drivers. It defines the interfaces to the common functions - * (implemented in drivers/char/viopath.h) as well as defining - * common functions and structures. Currently (at the time I - * wrote this comment) the iSeries virtual I/O device drivers - * that use this are - * drivers/block/viodasd.c - * drivers/char/viocons.c - * drivers/char/viotape.c - * drivers/cdrom/viocd.c - * - * The iSeries virtual ethernet support (veth.c) uses a whole - * different set of functions. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) anyu later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ -#ifndef _ASM_POWERPC_ISERIES_VIO_H -#define _ASM_POWERPC_ISERIES_VIO_H - -#include <asm/iseries/hv_types.h> -#include <asm/iseries/hv_lp_event.h> - -/* - * iSeries virtual I/O events use the subtype field in - * HvLpEvent to figure out what kind of vio event is coming - * in. We use a table to route these, and this defines - * the maximum number of distinct subtypes - */ -#define VIO_MAX_SUBTYPES 8 - -#define VIOMAXBLOCKDMA 12 - -struct open_data { - u64 disk_size; - u16 max_disk; - u16 cylinders; - u16 tracks; - u16 sectors; - u16 bytes_per_sector; -}; - -struct rw_data { - u64 offset; - struct { - u32 token; - u32 reserved; - u64 len; - } dma_info[VIOMAXBLOCKDMA]; -}; - -struct vioblocklpevent { - struct HvLpEvent event; - u32 reserved; - u16 version; - u16 sub_result; - u16 disk; - u16 flags; - union { - struct open_data open_data; - struct rw_data rw_data; - u64 changed; - } u; -}; - -#define vioblockflags_ro 0x0001 - -enum vioblocksubtype { - vioblockopen = 0x0001, - vioblockclose = 0x0002, - vioblockread = 0x0003, - vioblockwrite = 0x0004, - vioblockflush = 0x0005, - vioblockcheck = 0x0007 -}; - -struct viocdlpevent { - struct HvLpEvent event; - u32 reserved; - u16 version; - u16 sub_result; - u16 disk; - u16 flags; - u32 token; - u64 offset; /* On open, max number of disks */ - u64 len; /* On open, size of the disk */ - u32 block_size; /* Only set on open */ - u32 media_size; /* Only set on open */ -}; - -enum viocdsubtype { - viocdopen = 0x0001, - viocdclose = 0x0002, - viocdread = 0x0003, - viocdwrite = 0x0004, - viocdlockdoor = 0x0005, - viocdgetinfo = 0x0006, - viocdcheck = 0x0007 -}; - -struct viotapelpevent { - struct HvLpEvent event; - u32 reserved; - u16 version; - u16 sub_type_result; - u16 tape; - u16 flags; - u32 token; - u64 len; - union { - struct { - u32 tape_op; - u32 count; - } op; - struct { - u32 type; - u32 resid; - u32 dsreg; - u32 gstat; - u32 erreg; - u32 file_no; - u32 block_no; - } get_status; - struct { - u32 block_no; - } get_pos; - } u; -}; - -enum viotapesubtype { - viotapeopen = 0x0001, - viotapeclose = 0x0002, - viotaperead = 0x0003, - viotapewrite = 0x0004, - viotapegetinfo = 0x0005, - viotapeop = 0x0006, - viotapegetpos = 0x0007, - viotapesetpos = 0x0008, - viotapegetstatus = 0x0009 -}; - -/* - * Each subtype can register a handler to process their events. - * The handler must have this interface. - */ -typedef void (vio_event_handler_t) (struct HvLpEvent * event); - -extern int viopath_open(HvLpIndex remoteLp, int subtype, int numReq); -extern int viopath_close(HvLpIndex remoteLp, int subtype, int numReq); -extern int vio_setHandler(int subtype, vio_event_handler_t * beh); -extern int vio_clearHandler(int subtype); -extern int viopath_isactive(HvLpIndex lp); -extern HvLpInstanceId viopath_sourceinst(HvLpIndex lp); -extern HvLpInstanceId viopath_targetinst(HvLpIndex lp); -extern void vio_set_hostlp(void); -extern void *vio_get_event_buffer(int subtype); -extern void vio_free_event_buffer(int subtype, void *buffer); - -extern struct vio_dev *vio_create_viodasd(u32 unit); - -extern HvLpIndex viopath_hostLp; -extern HvLpIndex viopath_ourLp; - -#define VIOCHAR_MAX_DATA 200 - -#define VIOMAJOR_SUBTYPE_MASK 0xff00 -#define VIOMINOR_SUBTYPE_MASK 0x00ff -#define VIOMAJOR_SUBTYPE_SHIFT 8 - -#define VIOVERSION 0x0101 - -/* - * This is the general structure for VIO errors; each module should have - * a table of them, and each table should be terminated by an entry of - * { 0, 0, NULL }. Then, to find a specific error message, a module - * should pass its local table and the return code. - */ -struct vio_error_entry { - u16 rc; - int errno; - const char *msg; -}; -extern const struct vio_error_entry *vio_lookup_rc( - const struct vio_error_entry *local_table, u16 rc); - -enum viosubtypes { - viomajorsubtype_monitor = 0x0100, - viomajorsubtype_blockio = 0x0200, - viomajorsubtype_chario = 0x0300, - viomajorsubtype_config = 0x0400, - viomajorsubtype_cdio = 0x0500, - viomajorsubtype_tape = 0x0600, - viomajorsubtype_scsi = 0x0700 -}; - -enum vioconfigsubtype { - vioconfigget = 0x0001, -}; - -enum viorc { - viorc_good = 0x0000, - viorc_noConnection = 0x0001, - viorc_noReceiver = 0x0002, - viorc_noBufferAvailable = 0x0003, - viorc_invalidMessageType = 0x0004, - viorc_invalidRange = 0x0201, - viorc_invalidToken = 0x0202, - viorc_DMAError = 0x0203, - viorc_useError = 0x0204, - viorc_releaseError = 0x0205, - viorc_invalidDisk = 0x0206, - viorc_openRejected = 0x0301 -}; - -/* - * The structure of the events that flow between us and OS/400 for chario - * events. You can't mess with this unless the OS/400 side changes too. - */ -struct viocharlpevent { - struct HvLpEvent event; - u32 reserved; - u16 version; - u16 subtype_result_code; - u8 virtual_device; - u8 len; - u8 data[VIOCHAR_MAX_DATA]; -}; - -#define VIOCHAR_WINDOW 10 - -enum viocharsubtype { - viocharopen = 0x0001, - viocharclose = 0x0002, - viochardata = 0x0003, - viocharack = 0x0004, - viocharconfig = 0x0005 -}; - -enum viochar_rc { - viochar_rc_ebusy = 1 -}; - -#endif /* _ASM_POWERPC_ISERIES_VIO_H */ diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h index 938986e412f1..ae098c438f00 100644 --- a/arch/powerpc/include/asm/jump_label.h +++ b/arch/powerpc/include/asm/jump_label.h @@ -17,7 +17,7 @@ #define JUMP_ENTRY_TYPE stringify_in_c(FTR_ENTRY_LONG) #define JUMP_LABEL_NOP_SIZE 4 -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("1:\n\t" "nop\n\t" diff --git a/arch/powerpc/include/asm/keylargo.h b/arch/powerpc/include/asm/keylargo.h index fc195d0b3c34..2156315d8a90 100644 --- a/arch/powerpc/include/asm/keylargo.h +++ b/arch/powerpc/include/asm/keylargo.h @@ -21,7 +21,7 @@ #define KEYLARGO_FCR4 0x48 #define KEYLARGO_FCR5 0x4c /* Pangea only */ -/* K2 aditional FCRs */ +/* K2 additional FCRs */ #define K2_FCR6 0x34 #define K2_FCR7 0x30 #define K2_FCR8 0x2c diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index f7727d91ac6b..b921c3f48928 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -265,12 +265,9 @@ struct kvm_debug_exit_arch { struct kvm_guest_debug_arch { }; -#define KVM_REG_MASK 0x001f -#define KVM_REG_EXT_MASK 0xffe0 -#define KVM_REG_GPR 0x0000 -#define KVM_REG_FPR 0x0020 -#define KVM_REG_QPR 0x0040 -#define KVM_REG_FQPR 0x0060 +/* definition of registers in kvm_run */ +struct kvm_sync_regs { +}; #define KVM_INTERRUPT_SET -1U #define KVM_INTERRUPT_UNSET -2U @@ -292,4 +289,41 @@ struct kvm_allocate_rma { __u64 rma_size; }; +struct kvm_book3e_206_tlb_entry { + __u32 mas8; + __u32 mas1; + __u64 mas2; + __u64 mas7_3; +}; + +struct kvm_book3e_206_tlb_params { + /* + * For mmu types KVM_MMU_FSL_BOOKE_NOHV and KVM_MMU_FSL_BOOKE_HV: + * + * - The number of ways of TLB0 must be a power of two between 2 and + * 16. + * - TLB1 must be fully associative. + * - The size of TLB0 must be a multiple of the number of ways, and + * the number of sets must be a power of two. + * - The size of TLB1 may not exceed 64 entries. + * - TLB0 supports 4 KiB pages. + * - The page sizes supported by TLB1 are as indicated by + * TLB1CFG (if MMUCFG[MAVN] = 0) or TLB1PS (if MMUCFG[MAVN] = 1) + * as returned by KVM_GET_SREGS. + * - TLB2 and TLB3 are reserved, and their entries in tlb_sizes[] + * and tlb_ways[] must be zero. + * + * tlb_ways[n] = tlb_sizes[n] means the array is fully associative. + * + * KVM will adjust TLBnCFG based on the sizes configured here, + * though arrays greater than 2048 entries will have TLBnCFG[NENTRY] + * set to zero. + */ + __u32 tlb_sizes[4]; + __u32 tlb_ways[4]; + __u32 reserved[8]; +}; + +#define KVM_REG_PPC_HIOR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x1) + #endif /* __LINUX_KVM_POWERPC_H */ diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 69c7377d2071..aa795ccef294 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -90,6 +90,8 @@ struct kvmppc_vcpu_book3s { #endif int context_id[SID_CONTEXTS]; + bool hior_explicit; /* HIOR is set by ioctl, not PVR */ + struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; @@ -119,6 +121,11 @@ extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu *vcpu); extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); +extern int kvmppc_book3s_hv_page_fault(struct kvm_run *run, + struct kvm_vcpu *vcpu, unsigned long addr, + unsigned long status); +extern long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, + unsigned long slb_v, unsigned long valid); extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte); extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu); @@ -138,6 +145,21 @@ extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr); extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu); extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn); +extern void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev, + unsigned long *rmap, long pte_index, int realmode); +extern void kvmppc_invalidate_hpte(struct kvm *kvm, unsigned long *hptep, + unsigned long pte_index); +void kvmppc_clear_ref_hpte(struct kvm *kvm, unsigned long *hptep, + unsigned long pte_index); +extern void *kvmppc_pin_guest_page(struct kvm *kvm, unsigned long addr, + unsigned long *nb_ret); +extern void kvmppc_unpin_guest_page(struct kvm *kvm, void *addr); +extern long kvmppc_virtmode_h_enter(struct kvm_vcpu *vcpu, unsigned long flags, + long pte_index, unsigned long pteh, unsigned long ptel); +extern long kvmppc_h_enter(struct kvm_vcpu *vcpu, unsigned long flags, + long pte_index, unsigned long pteh, unsigned long ptel); +extern long kvmppc_hv_get_dirty_log(struct kvm *kvm, + struct kvm_memory_slot *memslot); extern void kvmppc_entry_trampoline(void); extern void kvmppc_hv_entry_trampoline(void); @@ -183,7 +205,9 @@ static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu, static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) { if ( num < 14 ) { - to_svcpu(vcpu)->gpr[num] = val; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + svcpu->gpr[num] = val; + svcpu_put(svcpu); to_book3s(vcpu)->shadow_vcpu->gpr[num] = val; } else vcpu->arch.gpr[num] = val; @@ -191,80 +215,120 @@ static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) { - if ( num < 14 ) - return to_svcpu(vcpu)->gpr[num]; - else + if ( num < 14 ) { + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + ulong r = svcpu->gpr[num]; + svcpu_put(svcpu); + return r; + } else return vcpu->arch.gpr[num]; } static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) { - to_svcpu(vcpu)->cr = val; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + svcpu->cr = val; + svcpu_put(svcpu); to_book3s(vcpu)->shadow_vcpu->cr = val; } static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) { - return to_svcpu(vcpu)->cr; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + u32 r; + r = svcpu->cr; + svcpu_put(svcpu); + return r; } static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val) { - to_svcpu(vcpu)->xer = val; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + svcpu->xer = val; to_book3s(vcpu)->shadow_vcpu->xer = val; + svcpu_put(svcpu); } static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu) { - return to_svcpu(vcpu)->xer; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + u32 r; + r = svcpu->xer; + svcpu_put(svcpu); + return r; } static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val) { - to_svcpu(vcpu)->ctr = val; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + svcpu->ctr = val; + svcpu_put(svcpu); } static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu) { - return to_svcpu(vcpu)->ctr; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + ulong r; + r = svcpu->ctr; + svcpu_put(svcpu); + return r; } static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val) { - to_svcpu(vcpu)->lr = val; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + svcpu->lr = val; + svcpu_put(svcpu); } static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu) { - return to_svcpu(vcpu)->lr; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + ulong r; + r = svcpu->lr; + svcpu_put(svcpu); + return r; } static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val) { - to_svcpu(vcpu)->pc = val; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + svcpu->pc = val; + svcpu_put(svcpu); } static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) { - return to_svcpu(vcpu)->pc; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + ulong r; + r = svcpu->pc; + svcpu_put(svcpu); + return r; } static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) { ulong pc = kvmppc_get_pc(vcpu); - struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu); + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + u32 r; /* Load the instruction manually if it failed to do so in the * exit path */ if (svcpu->last_inst == KVM_INST_FETCH_FAILED) kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false); - return svcpu->last_inst; + r = svcpu->last_inst; + svcpu_put(svcpu); + return r; } static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) { - return to_svcpu(vcpu)->fault_dar; + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + ulong r; + r = svcpu->fault_dar; + svcpu_put(svcpu); + return r; } static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu) diff --git a/arch/powerpc/include/asm/kvm_book3s_32.h b/arch/powerpc/include/asm/kvm_book3s_32.h index de604db135f5..38040ff82063 100644 --- a/arch/powerpc/include/asm/kvm_book3s_32.h +++ b/arch/powerpc/include/asm/kvm_book3s_32.h @@ -20,11 +20,15 @@ #ifndef __ASM_KVM_BOOK3S_32_H__ #define __ASM_KVM_BOOK3S_32_H__ -static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu) +static inline struct kvmppc_book3s_shadow_vcpu *svcpu_get(struct kvm_vcpu *vcpu) { return to_book3s(vcpu)->shadow_vcpu; } +static inline void svcpu_put(struct kvmppc_book3s_shadow_vcpu *svcpu) +{ +} + #define PTE_SIZE 12 #define VSID_ALL 0 #define SR_INVALID 0x00000001 /* VSID 1 should always be unused */ diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index d0ac94f98f9e..b0c08b142770 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -21,14 +21,56 @@ #define __ASM_KVM_BOOK3S_64_H__ #ifdef CONFIG_KVM_BOOK3S_PR -static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu) +static inline struct kvmppc_book3s_shadow_vcpu *svcpu_get(struct kvm_vcpu *vcpu) { + preempt_disable(); return &get_paca()->shadow_vcpu; } + +static inline void svcpu_put(struct kvmppc_book3s_shadow_vcpu *svcpu) +{ + preempt_enable(); +} #endif #define SPAPR_TCE_SHIFT 12 +#ifdef CONFIG_KVM_BOOK3S_64_HV +/* For now use fixed-size 16MB page table */ +#define HPT_ORDER 24 +#define HPT_NPTEG (1ul << (HPT_ORDER - 7)) /* 128B per pteg */ +#define HPT_NPTE (HPT_NPTEG << 3) /* 8 PTEs per PTEG */ +#define HPT_HASH_MASK (HPT_NPTEG - 1) +#endif + +#define VRMA_VSID 0x1ffffffUL /* 1TB VSID reserved for VRMA */ + +/* + * We use a lock bit in HPTE dword 0 to synchronize updates and + * accesses to each HPTE, and another bit to indicate non-present + * HPTEs. + */ +#define HPTE_V_HVLOCK 0x40UL +#define HPTE_V_ABSENT 0x20UL + +static inline long try_lock_hpte(unsigned long *hpte, unsigned long bits) +{ + unsigned long tmp, old; + + asm volatile(" ldarx %0,0,%2\n" + " and. %1,%0,%3\n" + " bne 2f\n" + " ori %0,%0,%4\n" + " stdcx. %0,0,%2\n" + " beq+ 2f\n" + " li %1,%3\n" + "2: isync" + : "=&r" (tmp), "=&r" (old) + : "r" (hpte), "r" (bits), "i" (HPTE_V_HVLOCK) + : "cc", "memory"); + return old == 0; +} + static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, unsigned long pte_index) { @@ -62,4 +104,140 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, return rb; } +static inline unsigned long hpte_page_size(unsigned long h, unsigned long l) +{ + /* only handle 4k, 64k and 16M pages for now */ + if (!(h & HPTE_V_LARGE)) + return 1ul << 12; /* 4k page */ + if ((l & 0xf000) == 0x1000 && cpu_has_feature(CPU_FTR_ARCH_206)) + return 1ul << 16; /* 64k page */ + if ((l & 0xff000) == 0) + return 1ul << 24; /* 16M page */ + return 0; /* error */ +} + +static inline unsigned long hpte_rpn(unsigned long ptel, unsigned long psize) +{ + return ((ptel & HPTE_R_RPN) & ~(psize - 1)) >> PAGE_SHIFT; +} + +static inline int hpte_is_writable(unsigned long ptel) +{ + unsigned long pp = ptel & (HPTE_R_PP0 | HPTE_R_PP); + + return pp != PP_RXRX && pp != PP_RXXX; +} + +static inline unsigned long hpte_make_readonly(unsigned long ptel) +{ + if ((ptel & HPTE_R_PP0) || (ptel & HPTE_R_PP) == PP_RWXX) + ptel = (ptel & ~HPTE_R_PP) | PP_RXXX; + else + ptel |= PP_RXRX; + return ptel; +} + +static inline int hpte_cache_flags_ok(unsigned long ptel, unsigned long io_type) +{ + unsigned int wimg = ptel & HPTE_R_WIMG; + + /* Handle SAO */ + if (wimg == (HPTE_R_W | HPTE_R_I | HPTE_R_M) && + cpu_has_feature(CPU_FTR_ARCH_206)) + wimg = HPTE_R_M; + + if (!io_type) + return wimg == HPTE_R_M; + + return (wimg & (HPTE_R_W | HPTE_R_I)) == io_type; +} + +/* + * Lock and read a linux PTE. If it's present and writable, atomically + * set dirty and referenced bits and return the PTE, otherwise return 0. + */ +static inline pte_t kvmppc_read_update_linux_pte(pte_t *p, int writing) +{ + pte_t pte, tmp; + + /* wait until _PAGE_BUSY is clear then set it atomically */ + __asm__ __volatile__ ( + "1: ldarx %0,0,%3\n" + " andi. %1,%0,%4\n" + " bne- 1b\n" + " ori %1,%0,%4\n" + " stdcx. %1,0,%3\n" + " bne- 1b" + : "=&r" (pte), "=&r" (tmp), "=m" (*p) + : "r" (p), "i" (_PAGE_BUSY) + : "cc"); + + if (pte_present(pte)) { + pte = pte_mkyoung(pte); + if (writing && pte_write(pte)) + pte = pte_mkdirty(pte); + } + + *p = pte; /* clears _PAGE_BUSY */ + + return pte; +} + +/* Return HPTE cache control bits corresponding to Linux pte bits */ +static inline unsigned long hpte_cache_bits(unsigned long pte_val) +{ +#if _PAGE_NO_CACHE == HPTE_R_I && _PAGE_WRITETHRU == HPTE_R_W + return pte_val & (HPTE_R_W | HPTE_R_I); +#else + return ((pte_val & _PAGE_NO_CACHE) ? HPTE_R_I : 0) + + ((pte_val & _PAGE_WRITETHRU) ? HPTE_R_W : 0); +#endif +} + +static inline bool hpte_read_permission(unsigned long pp, unsigned long key) +{ + if (key) + return PP_RWRX <= pp && pp <= PP_RXRX; + return 1; +} + +static inline bool hpte_write_permission(unsigned long pp, unsigned long key) +{ + if (key) + return pp == PP_RWRW; + return pp <= PP_RWRW; +} + +static inline int hpte_get_skey_perm(unsigned long hpte_r, unsigned long amr) +{ + unsigned long skey; + + skey = ((hpte_r & HPTE_R_KEY_HI) >> 57) | + ((hpte_r & HPTE_R_KEY_LO) >> 9); + return (amr >> (62 - 2 * skey)) & 3; +} + +static inline void lock_rmap(unsigned long *rmap) +{ + do { + while (test_bit(KVMPPC_RMAP_LOCK_BIT, rmap)) + cpu_relax(); + } while (test_and_set_bit_lock(KVMPPC_RMAP_LOCK_BIT, rmap)); +} + +static inline void unlock_rmap(unsigned long *rmap) +{ + __clear_bit_unlock(KVMPPC_RMAP_LOCK_BIT, rmap); +} + +static inline bool slot_is_aligned(struct kvm_memory_slot *memslot, + unsigned long pagesize) +{ + unsigned long mask = (pagesize >> PAGE_SHIFT) - 1; + + if (pagesize <= PAGE_SIZE) + return 1; + return !(memslot->base_gfn & mask) && !(memslot->npages & mask); +} + #endif /* __ASM_KVM_BOOK3S_64_H__ */ diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h index adbfca9dd100..8cd50a514271 100644 --- a/arch/powerpc/include/asm/kvm_e500.h +++ b/arch/powerpc/include/asm/kvm_e500.h @@ -22,46 +22,55 @@ #define E500_PID_NUM 3 #define E500_TLB_NUM 2 -struct tlbe{ - u32 mas1; - u32 mas2; - u32 mas3; - u32 mas7; -}; - #define E500_TLB_VALID 1 #define E500_TLB_DIRTY 2 -struct tlbe_priv { +struct tlbe_ref { pfn_t pfn; unsigned int flags; /* E500_TLB_* */ }; +struct tlbe_priv { + struct tlbe_ref ref; /* TLB0 only -- TLB1 uses tlb_refs */ +}; + struct vcpu_id_table; +struct kvmppc_e500_tlb_params { + int entries, ways, sets; +}; + struct kvmppc_vcpu_e500 { - /* Unmodified copy of the guest's TLB. */ - struct tlbe *gtlb_arch[E500_TLB_NUM]; + /* Unmodified copy of the guest's TLB -- shared with host userspace. */ + struct kvm_book3e_206_tlb_entry *gtlb_arch; + + /* Starting entry number in gtlb_arch[] */ + int gtlb_offset[E500_TLB_NUM]; /* KVM internal information associated with each guest TLB entry */ struct tlbe_priv *gtlb_priv[E500_TLB_NUM]; - unsigned int gtlb_size[E500_TLB_NUM]; + struct kvmppc_e500_tlb_params gtlb_params[E500_TLB_NUM]; + unsigned int gtlb_nv[E500_TLB_NUM]; + /* + * information associated with each host TLB entry -- + * TLB1 only for now. If/when guest TLB1 entries can be + * mapped with host TLB0, this will be used for that too. + * + * We don't want to use this for guest TLB0 because then we'd + * have the overhead of doing the translation again even if + * the entry is still in the guest TLB (e.g. we swapped out + * and back, and our host TLB entries got evicted). + */ + struct tlbe_ref *tlb_refs[E500_TLB_NUM]; + unsigned int host_tlb1_nv; + u32 host_pid[E500_PID_NUM]; u32 pid[E500_PID_NUM]; u32 svr; - u32 mas0; - u32 mas1; - u32 mas2; - u32 mas3; - u32 mas4; - u32 mas5; - u32 mas6; - u32 mas7; - /* vcpu id table */ struct vcpu_id_table *idt; @@ -73,6 +82,9 @@ struct kvmppc_vcpu_e500 { u32 tlb1cfg; u64 mcar; + struct page **shared_tlb_pages; + int num_shared_tlb_pages; + struct kvm_vcpu vcpu; }; diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index bf8af5d5d5dc..52eb9c1f4fe0 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -32,17 +32,32 @@ #include <linux/atomic.h> #include <asm/kvm_asm.h> #include <asm/processor.h> +#include <asm/page.h> #define KVM_MAX_VCPUS NR_CPUS #define KVM_MAX_VCORES NR_CPUS #define KVM_MEMORY_SLOTS 32 /* memory slots that does not exposed to userspace */ #define KVM_PRIVATE_MEM_SLOTS 4 +#define KVM_MEM_SLOTS_NUM (KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS) #ifdef CONFIG_KVM_MMIO #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 #endif +#ifdef CONFIG_KVM_BOOK3S_64_HV +#include <linux/mmu_notifier.h> + +#define KVM_ARCH_WANT_MMU_NOTIFIER + +struct kvm; +extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); +extern int kvm_age_hva(struct kvm *kvm, unsigned long hva); +extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); +extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); + +#endif + /* We don't currently support large pages. */ #define KVM_HPAGE_GFN_SHIFT(x) 0 #define KVM_NR_PAGE_SIZES 1 @@ -158,34 +173,72 @@ struct kvmppc_spapr_tce_table { struct page *pages[0]; }; -struct kvmppc_rma_info { +struct kvmppc_linear_info { void *base_virt; unsigned long base_pfn; unsigned long npages; struct list_head list; - atomic_t use_count; + atomic_t use_count; + int type; +}; + +/* + * The reverse mapping array has one entry for each HPTE, + * which stores the guest's view of the second word of the HPTE + * (including the guest physical address of the mapping), + * plus forward and backward pointers in a doubly-linked ring + * of HPTEs that map the same host page. The pointers in this + * ring are 32-bit HPTE indexes, to save space. + */ +struct revmap_entry { + unsigned long guest_rpte; + unsigned int forw, back; +}; + +/* + * We use the top bit of each memslot->rmap entry as a lock bit, + * and bit 32 as a present flag. The bottom 32 bits are the + * index in the guest HPT of a HPTE that points to the page. + */ +#define KVMPPC_RMAP_LOCK_BIT 63 +#define KVMPPC_RMAP_RC_SHIFT 32 +#define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) +#define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) +#define KVMPPC_RMAP_PRESENT 0x100000000ul +#define KVMPPC_RMAP_INDEX 0xfffffffful + +/* Low-order bits in kvm->arch.slot_phys[][] */ +#define KVMPPC_PAGE_ORDER_MASK 0x1f +#define KVMPPC_PAGE_NO_CACHE HPTE_R_I /* 0x20 */ +#define KVMPPC_PAGE_WRITETHRU HPTE_R_W /* 0x40 */ +#define KVMPPC_GOT_PAGE 0x80 + +struct kvm_arch_memory_slot { }; struct kvm_arch { #ifdef CONFIG_KVM_BOOK3S_64_HV unsigned long hpt_virt; - unsigned long ram_npages; - unsigned long ram_psize; - unsigned long ram_porder; - struct kvmppc_pginfo *ram_pginfo; + struct revmap_entry *revmap; unsigned int lpid; unsigned int host_lpid; unsigned long host_lpcr; unsigned long sdr1; unsigned long host_sdr1; int tlbie_lock; - int n_rma_pages; unsigned long lpcr; unsigned long rmor; - struct kvmppc_rma_info *rma; + struct kvmppc_linear_info *rma; + unsigned long vrma_slb_v; + int rma_setup_done; + int using_mmu_notifiers; struct list_head spapr_tce_tables; + spinlock_t slot_phys_lock; + unsigned long *slot_phys[KVM_MEM_SLOTS_NUM]; + int slot_npages[KVM_MEM_SLOTS_NUM]; unsigned short last_vcpu[NR_CPUS]; struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; + struct kvmppc_linear_info *hpt_li; #endif /* CONFIG_KVM_BOOK3S_64_HV */ }; @@ -318,10 +371,6 @@ struct kvm_vcpu_arch { u32 vrsave; /* also USPRG0 */ u32 mmucr; ulong shadow_msr; - ulong sprg4; - ulong sprg5; - ulong sprg6; - ulong sprg7; ulong csrr0; ulong csrr1; ulong dsrr0; @@ -329,16 +378,14 @@ struct kvm_vcpu_arch { ulong mcsrr0; ulong mcsrr1; ulong mcsr; - ulong esr; u32 dec; u32 decar; u32 tbl; u32 tbu; u32 tcr; - u32 tsr; + ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ u32 ivor[64]; ulong ivpr; - u32 pir; u32 pvr; u32 shadow_pid; @@ -427,9 +474,14 @@ struct kvm_vcpu_arch { #ifdef CONFIG_KVM_BOOK3S_64_HV struct kvm_vcpu_arch_shared shregs; + unsigned long pgfault_addr; + long pgfault_index; + unsigned long pgfault_hpte[2]; + struct list_head run_list; struct task_struct *run_task; struct kvm_run *kvm_run; + pgd_t *pgdir; #endif }; @@ -438,4 +490,12 @@ struct kvm_vcpu_arch { #define KVMPPC_VCPU_BUSY_IN_HOST 1 #define KVMPPC_VCPU_RUNNABLE 2 +/* Values for vcpu->arch.io_gpr */ +#define KVM_MMIO_REG_MASK 0x001f +#define KVM_MMIO_REG_EXT_MASK 0xffe0 +#define KVM_MMIO_REG_GPR 0x0000 +#define KVM_MMIO_REG_FPR 0x0020 +#define KVM_MMIO_REG_QPR 0x0040 +#define KVM_MMIO_REG_FQPR 0x0060 + #endif /* __POWERPC_KVM_HOST_H__ */ diff --git a/arch/powerpc/include/asm/kvm_para.h b/arch/powerpc/include/asm/kvm_para.h index 50533f9adf40..7b754e743003 100644 --- a/arch/powerpc/include/asm/kvm_para.h +++ b/arch/powerpc/include/asm/kvm_para.h @@ -22,6 +22,16 @@ #include <linux/types.h> +/* + * Additions to this struct must only occur at the end, and should be + * accompanied by a KVM_MAGIC_FEAT flag to advertise that they are present + * (albeit not necessarily relevant to the current target hardware platform). + * + * Struct fields are always 32 or 64 bit aligned, depending on them being 32 + * or 64 bit wide respectively. + * + * See Documentation/virtual/kvm/ppc-pv.txt + */ struct kvm_vcpu_arch_shared { __u64 scratch1; __u64 scratch2; @@ -33,11 +43,35 @@ struct kvm_vcpu_arch_shared { __u64 sprg3; __u64 srr0; __u64 srr1; - __u64 dar; + __u64 dar; /* dear on BookE */ __u64 msr; __u32 dsisr; __u32 int_pending; /* Tells the guest if we have an interrupt */ __u32 sr[16]; + __u32 mas0; + __u32 mas1; + __u64 mas7_3; + __u64 mas2; + __u32 mas4; + __u32 mas6; + __u32 esr; + __u32 pir; + + /* + * SPRG4-7 are user-readable, so we can only keep these consistent + * between the shared area and the real registers when there's an + * intervening exit to KVM. This also applies to SPRG3 on some + * chips. + * + * This suffices for access by guest userspace, since in PR-mode + * KVM, an exit must occur when changing the guest's MSR[PR]. + * If the guest kernel writes to SPRG3-7 via the shared area, it + * must also use the shared area for reading while in kernel space. + */ + __u64 sprg4; + __u64 sprg5; + __u64 sprg6; + __u64 sprg7; }; #define KVM_SC_MAGIC_R0 0x4b564d21 /* "KVM!" */ @@ -47,7 +81,10 @@ struct kvm_vcpu_arch_shared { #define KVM_FEATURE_MAGIC_PAGE 1 -#define KVM_MAGIC_FEAT_SR (1 << 0) +#define KVM_MAGIC_FEAT_SR (1 << 0) + +/* MASn, ESR, PIR, and high SPRGs */ +#define KVM_MAGIC_FEAT_MAS0_TO_SPRG7 (1 << 1) #ifdef __KERNEL__ diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 46efd1a265c9..9d6dee0f7d48 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -66,6 +66,7 @@ extern int kvmppc_emulate_instruction(struct kvm_run *run, extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu); extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb); +extern void kvmppc_decrementer_func(unsigned long data); extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu); /* Core-specific hooks */ @@ -94,7 +95,7 @@ extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu); extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu); -extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu); +extern void kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu); extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags); extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu); @@ -120,15 +121,17 @@ extern long kvmppc_alloc_hpt(struct kvm *kvm); extern void kvmppc_free_hpt(struct kvm *kvm); extern long kvmppc_prepare_vrma(struct kvm *kvm, struct kvm_userspace_memory_region *mem); -extern void kvmppc_map_vrma(struct kvm *kvm, - struct kvm_userspace_memory_region *mem); +extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu, + struct kvm_memory_slot *memslot, unsigned long porder); extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu); extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, struct kvm_create_spapr_tce *args); extern long kvm_vm_ioctl_allocate_rma(struct kvm *kvm, struct kvm_allocate_rma *rma); -extern struct kvmppc_rma_info *kvm_alloc_rma(void); -extern void kvm_release_rma(struct kvmppc_rma_info *ri); +extern struct kvmppc_linear_info *kvm_alloc_rma(void); +extern void kvm_release_rma(struct kvmppc_linear_info *ri); +extern struct kvmppc_linear_info *kvm_alloc_hpt(void); +extern void kvm_release_hpt(struct kvmppc_linear_info *li); extern int kvmppc_core_init_vm(struct kvm *kvm); extern void kvmppc_core_destroy_vm(struct kvm *kvm); extern int kvmppc_core_prepare_memory_region(struct kvm *kvm, @@ -175,6 +178,9 @@ int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); +int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg); +int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg); + void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid); #ifdef CONFIG_KVM_BOOK3S_64_HV @@ -183,14 +189,19 @@ static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) paca[cpu].kvm_hstate.xics_phys = addr; } -extern void kvm_rma_init(void); +extern void kvm_linear_init(void); #else static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) {} -static inline void kvm_rma_init(void) +static inline void kvm_linear_init(void) {} #endif +int kvm_vcpu_ioctl_config_tlb(struct kvm_vcpu *vcpu, + struct kvm_config_tlb *cfg); +int kvm_vcpu_ioctl_dirty_tlb(struct kvm_vcpu *vcpu, + struct kvm_dirty_tlb *cfg); + #endif /* __POWERPC_KVM_PPC_H__ */ diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index e0298d26ce5d..a76254af0aaa 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -41,15 +41,7 @@ * We only have to have statically allocated lppaca structs on * legacy iSeries, which supports at most 64 cpus. */ -#ifdef CONFIG_PPC_ISERIES -#if NR_CPUS < 64 -#define NR_LPPACAS NR_CPUS -#else -#define NR_LPPACAS 64 -#endif -#else /* not iSeries */ #define NR_LPPACAS 1 -#endif /* The Hypervisor barfs if the lppaca crosses a page boundary. A 1k diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index bf37931d1ad6..42ce570812c1 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -99,9 +99,7 @@ struct machdep_calls { void (*init_IRQ)(void); - /* Return an irq, or NO_IRQ to indicate there are none pending. - * If for some reason there is no irq, but the interrupt - * shouldn't be counted as spurious, return NO_IRQ_IGNORE. */ + /* Return an irq, or NO_IRQ to indicate there are none pending. */ unsigned int (*get_irq)(void); /* PCI stuff */ diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h index f5f89cafebd0..cdb5421877e2 100644 --- a/arch/powerpc/include/asm/mmu-book3e.h +++ b/arch/powerpc/include/asm/mmu-book3e.h @@ -41,9 +41,10 @@ /* MAS registers bit definitions */ #define MAS0_TLBSEL(x) (((x) << 28) & 0x30000000) -#define MAS0_ESEL(x) (((x) << 16) & 0x0FFF0000) -#define MAS0_NV(x) ((x) & 0x00000FFF) #define MAS0_ESEL_MASK 0x0FFF0000 +#define MAS0_ESEL_SHIFT 16 +#define MAS0_ESEL(x) (((x) << MAS0_ESEL_SHIFT) & MAS0_ESEL_MASK) +#define MAS0_NV(x) ((x) & 0x00000FFF) #define MAS0_HES 0x00004000 #define MAS0_WQ_ALLWAYS 0x00000000 #define MAS0_WQ_COND 0x00001000 @@ -167,6 +168,7 @@ #define TLBnCFG_MAXSIZE 0x000f0000 /* Maximum Page Size (v1.0) */ #define TLBnCFG_MAXSIZE_SHIFT 16 #define TLBnCFG_ASSOC 0xff000000 /* Associativity */ +#define TLBnCFG_ASSOC_SHIFT 24 /* TLBnPS encoding */ #define TLBnPS_4K 0x00000004 diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index 412ba493cb98..1c65a59881ea 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -108,11 +108,11 @@ extern char initial_stab[]; #define HPTE_V_VRMA_MASK ASM_CONST(0x4001ffffff000000) /* Values for PP (assumes Ks=0, Kp=1) */ -/* pp0 will always be 0 for linux */ #define PP_RWXX 0 /* Supervisor read/write, User none */ #define PP_RWRX 1 /* Supervisor read/write, User read */ #define PP_RWRW 2 /* Supervisor read/write, User read/write */ #define PP_RXRX 3 /* Supervisor read, User read */ +#define PP_RXXX (HPTE_R_PP0 | 2) /* Supervisor read, user none */ #ifndef __ASSEMBLY__ @@ -267,7 +267,6 @@ extern void demote_segment_4k(struct mm_struct *mm, unsigned long addr); extern void hpte_init_native(void); extern void hpte_init_lpar(void); -extern void hpte_init_iSeries(void); extern void hpte_init_beat(void); extern void hpte_init_beat_v3(void); @@ -325,9 +324,6 @@ extern void slb_set_size(u16 size); * WARNING - If you change these you must make sure the asm * implementations in slb_allocate (slb_low.S), do_stab_bolted * (head.S) and ASM_VSID_SCRAMBLE (below) are changed accordingly. - * - * You'll also need to change the precomputed VSID values in head.S - * which are used by the iSeries firmware. */ #define VSID_MULTIPLIER_256M ASM_CONST(200730139) /* 28-bit prime */ @@ -484,14 +480,6 @@ static inline unsigned long get_vsid(unsigned long context, unsigned long ea, | (ea >> SID_SHIFT_1T), 1T); } -/* - * This is only used on legacy iSeries in lparmap.c, - * hence the 256MB segment assumption. - */ -#define VSID_SCRAMBLE(pvsid) (((pvsid) * VSID_MULTIPLIER_256M) % \ - VSID_MODULUS_256M) -#define KERNEL_VSID(ea) VSID_SCRAMBLE(GET_ESID(ea)) - #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_MMU_HASH64_H_ */ diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpic.h index 67b4d9837236..c65b9294376e 100644 --- a/arch/powerpc/include/asm/mpic.h +++ b/arch/powerpc/include/asm/mpic.h @@ -255,7 +255,7 @@ struct mpic struct device_node *node; /* The remapper for this MPIC */ - struct irq_host *irqhost; + struct irq_domain *irqhost; /* The "linux" controller struct */ struct irq_chip hc_irq; @@ -273,7 +273,6 @@ struct mpic unsigned int isu_size; unsigned int isu_shift; unsigned int isu_mask; - unsigned int irq_count; /* Number of sources */ unsigned int num_sources; /* default senses array */ @@ -349,8 +348,6 @@ struct mpic #define MPIC_U3_HT_IRQS 0x00000004 /* Broken IPI registers (autodetected) */ #define MPIC_BROKEN_IPI 0x00000008 -/* MPIC wants a reset */ -#define MPIC_WANTS_RESET 0x00000010 /* Spurious vector requires EOI */ #define MPIC_SPV_EOI 0x00000020 /* No passthrough disable */ @@ -363,15 +360,11 @@ struct mpic #define MPIC_ENABLE_MCK 0x00000200 /* Disable bias among target selection, spread interrupts evenly */ #define MPIC_NO_BIAS 0x00000400 -/* Ignore NIRQS as reported by FRR */ -#define MPIC_BROKEN_FRR_NIRQS 0x00000800 /* Destination only supports a single CPU at a time */ #define MPIC_SINGLE_DEST_CPU 0x00001000 /* Enable CoreInt delivery of interrupts */ #define MPIC_ENABLE_COREINT 0x00002000 -/* Disable resetting of the MPIC. - * NOTE: This flag trumps MPIC_WANTS_RESET. - */ +/* Do not reset the MPIC during initialization */ #define MPIC_NO_RESET 0x00004000 /* Freescale MPIC (compatible includes "fsl,mpic") */ #define MPIC_FSL 0x00008000 diff --git a/arch/powerpc/include/asm/mpic_msgr.h b/arch/powerpc/include/asm/mpic_msgr.h new file mode 100644 index 000000000000..3ec37dc9003e --- /dev/null +++ b/arch/powerpc/include/asm/mpic_msgr.h @@ -0,0 +1,132 @@ +/* + * Copyright 2011-2012, Meador Inge, Mentor Graphics Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#ifndef _ASM_MPIC_MSGR_H +#define _ASM_MPIC_MSGR_H + +#include <linux/types.h> +#include <linux/spinlock.h> + +struct mpic_msgr { + u32 __iomem *base; + u32 __iomem *mer; + int irq; + unsigned char in_use; + raw_spinlock_t lock; + int num; +}; + +/* Get a message register + * + * @reg_num: the MPIC message register to get + * + * A pointer to the message register is returned. If + * the message register asked for is already in use, then + * EBUSY is returned. If the number given is not associated + * with an actual message register, then ENODEV is returned. + * Successfully getting the register marks it as in use. + */ +extern struct mpic_msgr *mpic_msgr_get(unsigned int reg_num); + +/* Relinquish a message register + * + * @msgr: the message register to return + * + * Disables the given message register and marks it as free. + * After this call has completed successully the message + * register is available to be acquired by a call to + * mpic_msgr_get. + */ +extern void mpic_msgr_put(struct mpic_msgr *msgr); + +/* Enable a message register + * + * @msgr: the message register to enable + * + * The given message register is enabled for sending + * messages. + */ +extern void mpic_msgr_enable(struct mpic_msgr *msgr); + +/* Disable a message register + * + * @msgr: the message register to disable + * + * The given message register is disabled for sending + * messages. + */ +extern void mpic_msgr_disable(struct mpic_msgr *msgr); + +/* Write a message to a message register + * + * @msgr: the message register to write to + * @message: the message to write + * + * The given 32-bit message is written to the given message + * register. Writing to an enabled message registers fires + * an interrupt. + */ +static inline void mpic_msgr_write(struct mpic_msgr *msgr, u32 message) +{ + out_be32(msgr->base, message); +} + +/* Read a message from a message register + * + * @msgr: the message register to read from + * + * Returns the 32-bit value currently in the given message register. + * Upon reading the register any interrupts for that register are + * cleared. + */ +static inline u32 mpic_msgr_read(struct mpic_msgr *msgr) +{ + return in_be32(msgr->base); +} + +/* Clear a message register + * + * @msgr: the message register to clear + * + * Clears any interrupts associated with the given message register. + */ +static inline void mpic_msgr_clear(struct mpic_msgr *msgr) +{ + (void) mpic_msgr_read(msgr); +} + +/* Set the destination CPU for the message register + * + * @msgr: the message register whose destination is to be set + * @cpu_num: the Linux CPU number to bind the message register to + * + * Note that the CPU number given is the CPU number used by the kernel + * and *not* the actual hardware CPU number. + */ +static inline void mpic_msgr_set_destination(struct mpic_msgr *msgr, + u32 cpu_num) +{ + out_be32(msgr->base, 1 << get_hard_smp_processor_id(cpu_num)); +} + +/* Get the IRQ number for the message register + * @msgr: the message register whose IRQ is to be returned + * + * Returns the IRQ number associated with the given message register. + * NO_IRQ is returned if this message register is not capable of + * receiving interrupts. What message register can and cannot receive + * interrupts is specified in the device tree for the system. + */ +static inline int mpic_msgr_get_irq(struct mpic_msgr *msgr) +{ + return msgr->irq; +} + +#endif diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 269c05a36d91..daf813fea91f 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -132,7 +132,7 @@ struct paca_struct { u64 saved_msr; /* MSR saved here by enter_rtas */ u16 trap_save; /* Used when bad stack is encountered */ u8 soft_enabled; /* irq soft-enable flag */ - u8 hard_enabled; /* set if irqs are enabled in MSR */ + 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 */ diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 5d487657322e..ac39e6a3b25a 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -155,14 +155,7 @@ struct pci_dn { struct pci_dev *pcidev; /* back-pointer to the pci device */ #ifdef CONFIG_EEH - int class_code; /* pci device class */ - int eeh_mode; /* See eeh.h for possible EEH_MODEs */ - int eeh_config_addr; - int eeh_pe_config_addr; /* new-style partition endpoint address */ - int eeh_check_count; /* # times driver ignored error */ - int eeh_freeze_count; /* # times this device froze up. */ - int eeh_false_positives; /* # times this device reported #ff's */ - u32 config_space[16]; /* saved PCI config space */ + struct eeh_dev *edev; /* eeh device */ #endif #define IODA_INVALID_PE (-1) #ifdef CONFIG_PPC_POWERNV @@ -185,6 +178,13 @@ static inline int pci_device_from_OF_node(struct device_node *np, return 0; } +#if defined(CONFIG_EEH) +static inline struct eeh_dev *of_node_to_eeh_dev(struct device_node *dn) +{ + return PCI_DN(dn)->edev; +} +#endif + /** Find the bus corresponding to the indicated device node */ extern struct pci_bus *pcibios_find_pci_bus(struct device_node *dn); diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index f54b3d26ce9d..6653f2743c4e 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -154,14 +154,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus, #endif /* CONFIG_PPC64 */ -extern void pcibios_resource_to_bus(struct pci_dev *dev, - struct pci_bus_region *region, - struct resource *res); - -extern void pcibios_bus_to_resource(struct pci_dev *dev, - struct resource *res, - struct pci_bus_region *region); - extern void pcibios_claim_one_bus(struct pci_bus *b); extern void pcibios_finish_adding_to_bus(struct pci_bus *bus); @@ -190,6 +182,7 @@ extern void pci_resource_to_user(const struct pci_dev *dev, int bar, const struct resource *rsrc, resource_size_t *start, resource_size_t *end); +extern resource_size_t pcibios_io_space_offset(struct pci_controller *hose); extern void pcibios_setup_bus_devices(struct pci_bus *bus); extern void pcibios_setup_bus_self(struct pci_bus *bus); extern void pcibios_setup_phb_io_space(struct pci_controller *hose); diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h index 8f1df1208d23..078019b5b353 100644 --- a/arch/powerpc/include/asm/perf_event_server.h +++ b/arch/powerpc/include/asm/perf_event_server.h @@ -47,6 +47,8 @@ struct power_pmu { */ #define PPMU_LIMITED_PMC5_6 1 /* PMC5/6 have limited function */ #define PPMU_ALT_SIPR 2 /* uses alternate posn for SIPR/HV */ +#define PPMU_NO_SIPR 4 /* no SIPR/HV in MMCRA at all */ +#define PPMU_NO_CONT_SAMPLING 8 /* no continuous sampling */ /* * Values for flags to get_alternatives() @@ -61,8 +63,6 @@ struct pt_regs; extern unsigned long perf_misc_flags(struct pt_regs *regs); extern unsigned long perf_instruction_pointer(struct pt_regs *regs); -#define PERF_EVENT_INDEX_OFFSET 1 - /* * Only override the default definitions in include/linux/perf_event.h * if we have hardware PMU support. diff --git a/arch/powerpc/include/asm/phyp_dump.h b/arch/powerpc/include/asm/phyp_dump.h deleted file mode 100644 index fa74c6c3e106..000000000000 --- a/arch/powerpc/include/asm/phyp_dump.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Hypervisor-assisted dump - * - * Linas Vepstas, Manish Ahuja 2008 - * Copyright 2008 IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#ifndef _PPC64_PHYP_DUMP_H -#define _PPC64_PHYP_DUMP_H - -#ifdef CONFIG_PHYP_DUMP - -/* The RMR region will be saved for later dumping - * whenever the kernel crashes. Set this to 256MB. */ -#define PHYP_DUMP_RMR_START 0x0 -#define PHYP_DUMP_RMR_END (1UL<<28) - -struct phyp_dump { - /* Memory that is reserved during very early boot. */ - unsigned long init_reserve_start; - unsigned long init_reserve_size; - /* cmd line options during boot */ - unsigned long reserve_bootvar; - unsigned long phyp_dump_at_boot; - /* Check status during boot if dump supported, active & present*/ - unsigned long phyp_dump_configured; - unsigned long phyp_dump_is_active; - /* store cpu & hpte size */ - unsigned long cpu_state_size; - unsigned long hpte_region_size; - /* previous scratch area values */ - unsigned long reserved_scratch_addr; - unsigned long reserved_scratch_size; -}; - -extern struct phyp_dump *phyp_dump_info; - -int early_init_dt_scan_phyp_dump(unsigned long node, - const char *uname, int depth, void *data); - -#endif /* CONFIG_PHYP_DUMP */ -#endif /* _PPC64_PHYP_DUMP_H */ diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index e980faae4225..d81f99430fe7 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -45,6 +45,7 @@ #define PPC_INST_MFSPR_DSCR_MASK 0xfc1fffff #define PPC_INST_MTSPR_DSCR 0x7c1103a6 #define PPC_INST_MTSPR_DSCR_MASK 0xfc1fffff +#define PPC_INST_SLBFEE 0x7c0007a7 #define PPC_INST_STRING 0x7c00042a #define PPC_INST_STRING_MASK 0xfc0007fe @@ -183,7 +184,8 @@ __PPC_RS(t) | __PPC_RA(a) | __PPC_RB(b)) #define PPC_ERATSX_DOT(t, a, w) stringify_in_c(.long PPC_INST_ERATSX_DOT | \ __PPC_RS(t) | __PPC_RA(a) | __PPC_RB(b)) - +#define PPC_SLBFEE_DOT(t, b) stringify_in_c(.long PPC_INST_SLBFEE | \ + __PPC_RT(t) | __PPC_RB(b)) /* * Define what the VSX XX1 form instructions will look like, then add diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h index 43268f15004e..80fa704d410f 100644 --- a/arch/powerpc/include/asm/ppc-pci.h +++ b/arch/powerpc/include/asm/ppc-pci.h @@ -45,94 +45,21 @@ extern void init_pci_config_tokens (void); extern unsigned long get_phb_buid (struct device_node *); extern int rtas_setup_phb(struct pci_controller *phb); -extern unsigned long pci_probe_only; - -/* ---- EEH internal-use-only related routines ---- */ #ifdef CONFIG_EEH +void pci_addr_cache_build(void); void pci_addr_cache_insert_device(struct pci_dev *dev); void pci_addr_cache_remove_device(struct pci_dev *dev); -void pci_addr_cache_build(void); -struct pci_dev *pci_get_device_by_addr(unsigned long addr); - -/** - * eeh_slot_error_detail -- record and EEH error condition to the log - * @pdn: pci device node - * @severity: EEH_LOG_TEMP_FAILURE or EEH_LOG_PERM_FAILURE - * - * Obtains the EEH error details from the RTAS subsystem, - * and then logs these details with the RTAS error log system. - */ -#define EEH_LOG_TEMP_FAILURE 1 -#define EEH_LOG_PERM_FAILURE 2 -void eeh_slot_error_detail (struct pci_dn *pdn, int severity); - -/** - * rtas_pci_enable - enable IO transfers for this slot - * @pdn: pci device node - * @function: either EEH_THAW_MMIO or EEH_THAW_DMA - * - * Enable I/O transfers to this slot - */ -#define EEH_THAW_MMIO 2 -#define EEH_THAW_DMA 3 -int rtas_pci_enable(struct pci_dn *pdn, int function); - -/** - * rtas_set_slot_reset -- unfreeze a frozen slot - * @pdn: pci device node - * - * Clear the EEH-frozen condition on a slot. This routine - * does this by asserting the PCI #RST line for 1/8th of - * a second; this routine will sleep while the adapter is - * being reset. - * - * Returns a non-zero value if the reset failed. - */ -int rtas_set_slot_reset (struct pci_dn *); -int eeh_wait_for_slot_status(struct pci_dn *pdn, int max_wait_msecs); - -/** - * eeh_restore_bars - Restore device configuration info. - * @pdn: pci device node - * - * A reset of a PCI device will clear out its config space. - * This routines will restore the config space for this - * device, and is children, to values previously obtained - * from the firmware. - */ -void eeh_restore_bars(struct pci_dn *); - -/** - * rtas_configure_bridge -- firmware initialization of pci bridge - * @pdn: pci device node - * - * Ask the firmware to configure all PCI bridges devices - * located behind the indicated node. Required after a - * pci device reset. Does essentially the same hing as - * eeh_restore_bars, but for brdges, and lets firmware - * do the work. - */ -void rtas_configure_bridge(struct pci_dn *); - +struct pci_dev *pci_addr_cache_get_device(unsigned long addr); +void eeh_slot_error_detail(struct eeh_dev *edev, int severity); +int eeh_pci_enable(struct eeh_dev *edev, int function); +int eeh_reset_pe(struct eeh_dev *); +void eeh_restore_bars(struct eeh_dev *); int rtas_write_config(struct pci_dn *, int where, int size, u32 val); int rtas_read_config(struct pci_dn *, int where, int size, u32 *val); - -/** - * eeh_mark_slot -- set mode flags for pertition endpoint - * @pdn: pci device node - * - * mark and clear slots: find "partition endpoint" PE and set or - * clear the flags for each subnode of the PE. - */ -void eeh_mark_slot (struct device_node *dn, int mode_flag); -void eeh_clear_slot (struct device_node *dn, int mode_flag); - -/** - * find_device_pe -- Find the associated "Partiationable Endpoint" PE - * @pdn: pci device node - */ -struct device_node * find_device_pe(struct device_node *dn); +void eeh_mark_slot(struct device_node *dn, int mode_flag); +void eeh_clear_slot(struct device_node *dn, int mode_flag); +struct device_node *eeh_find_device_pe(struct device_node *dn); void eeh_sysfs_add_device(struct pci_dev *pdev); void eeh_sysfs_remove_device(struct pci_dev *pdev); @@ -142,6 +69,11 @@ static inline const char *eeh_pci_name(struct pci_dev *pdev) return pdev ? pci_name(pdev) : "<null>"; } +static inline const char *eeh_driver_name(struct pci_dev *pdev) +{ + return (pdev && pdev->driver) ? pdev->driver->name : "<null>"; +} + #endif /* CONFIG_EEH */ #else /* CONFIG_PCI */ diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 368f72f79808..50f73aa2ba21 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -60,6 +60,8 @@ BEGIN_FW_FTR_SECTION; \ cmpd cr1,r11,r10; \ beq+ cr1,33f; \ bl .accumulate_stolen_time; \ + ld r12,_MSR(r1); \ + andi. r10,r12,MSR_PR; /* Restore cr0 (coming from user) */ \ 33: \ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index b585bff1a022..8e2d0371fe1e 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -385,6 +385,36 @@ static inline unsigned long get_clean_sp(struct pt_regs *regs, int is_32) extern unsigned long cpuidle_disable; enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_POWERSAVE_OFF}; +extern int powersave_nap; /* set if nap mode can be used in idle loop */ +void cpu_idle_wait(void); + +#ifdef CONFIG_PSERIES_IDLE +extern void update_smt_snooze_delay(int snooze); +extern int pseries_notify_cpuidle_add_cpu(int cpu); +#else +static inline void update_smt_snooze_delay(int snooze) {} +static inline int pseries_notify_cpuidle_add_cpu(int cpu) { return 0; } +#endif + +extern void flush_instruction_cache(void); +extern void hard_reset_now(void); +extern void poweroff_now(void); +extern int fix_alignment(struct pt_regs *); +extern void cvt_fd(float *from, double *to); +extern void cvt_df(double *from, float *to); +extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); + +#ifdef CONFIG_PPC64 +/* + * We handle most unaligned accesses in hardware. On the other hand + * unaligned DMA can be very expensive on some ppc64 IO chips (it does + * powers of 2 writes until it reaches sufficient alignment). + * + * Based on this we disable the IP header alignment in network drivers. + */ +#define NET_IP_ALIGN 0 +#endif + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PROCESSOR_H */ diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 78a205162fd7..84cc7840cd18 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -83,8 +83,18 @@ struct pt_regs { #ifndef __ASSEMBLY__ -#define instruction_pointer(regs) ((regs)->nip) -#define user_stack_pointer(regs) ((regs)->gpr[1]) +#define GET_IP(regs) ((regs)->nip) +#define GET_USP(regs) ((regs)->gpr[1]) +#define GET_FP(regs) (0) +#define SET_FP(regs, val) + +#ifdef CONFIG_SMP +extern unsigned long profile_pc(struct pt_regs *regs); +#define profile_pc profile_pc +#endif + +#include <asm-generic/ptrace.h> + #define kernel_stack_pointer(regs) ((regs)->gpr[1]) static inline int is_syscall_success(struct pt_regs *regs) { @@ -99,12 +109,6 @@ static inline long regs_return_value(struct pt_regs *regs) return -regs->gpr[3]; } -#ifdef CONFIG_SMP -extern unsigned long profile_pc(struct pt_regs *regs); -#else -#define profile_pc(regs) instruction_pointer(regs) -#endif - #ifdef __powerpc64__ #define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1) #else diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 7fdc2c0b7fa0..9d7f0fb69028 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -216,6 +216,7 @@ #define DSISR_ISSTORE 0x02000000 /* access was a store */ #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ #define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */ +#define DSISR_KEYFAULT 0x00200000 /* Key fault */ #define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */ #define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */ #define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */ @@ -237,6 +238,7 @@ #define LPCR_ISL (1ul << (63-2)) #define LPCR_VC_SH (63-2) #define LPCR_DPFD_SH (63-11) +#define LPCR_VRMASD (0x1ful << (63-16)) #define LPCR_VRMA_L (1ul << (63-12)) #define LPCR_VRMA_LP0 (1ul << (63-15)) #define LPCR_VRMA_LP1 (1ul << (63-16)) @@ -493,6 +495,9 @@ #define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 */ #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */ #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */ +#define SRR1_ISI_NOPT 0x40000000 /* ISI: Not found in hash */ +#define SRR1_ISI_N_OR_G 0x10000000 /* ISI: Access is no-exec or G */ +#define SRR1_ISI_PROT 0x08000000 /* ISI: Other protection fault */ #define SRR1_WAKEMASK 0x00380000 /* reason for wakeup */ #define SRR1_WAKESYSERR 0x00300000 /* System error */ #define SRR1_WAKEEE 0x00200000 /* External interrupt */ @@ -1079,30 +1084,12 @@ #define proc_trap() asm volatile("trap") -#ifdef CONFIG_PPC64 - -extern void ppc64_runlatch_on(void); -extern void __ppc64_runlatch_off(void); - -#define ppc64_runlatch_off() \ - do { \ - if (cpu_has_feature(CPU_FTR_CTRL) && \ - test_thread_flag(TIF_RUNLATCH)) \ - __ppc64_runlatch_off(); \ - } while (0) +#define __get_SP() ({unsigned long sp; \ + asm volatile("mr %0,1": "=r" (sp)); sp;}) extern unsigned long scom970_read(unsigned int address); extern void scom970_write(unsigned int address, unsigned long value); -#else -#define ppc64_runlatch_on() -#define ppc64_runlatch_off() - -#endif /* CONFIG_PPC64 */ - -#define __get_SP() ({unsigned long sp; \ - asm volatile("mr %0,1": "=r" (sp)); sp;}) - struct pt_regs; extern void ppc_save_regs(struct pt_regs *regs); diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 500fe1dc43e6..b86faa9107da 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -15,6 +15,11 @@ #ifndef __ASM_POWERPC_REG_BOOKE_H__ #define __ASM_POWERPC_REG_BOOKE_H__ +#ifdef CONFIG_BOOKE_WDT +extern u32 booke_wdt_enabled; +extern u32 booke_wdt_period; +#endif /* CONFIG_BOOKE_WDT */ + /* Machine State Register (MSR) Fields */ #define MSR_GS (1<<28) /* Guest state */ #define MSR_UCLE (1<<26) /* User-mode cache lock enable */ @@ -62,6 +67,7 @@ #define SPRN_DVC2 0x13F /* Data Value Compare Register 2 */ #define SPRN_MAS8 0x155 /* MMU Assist Register 8 */ #define SPRN_TLB0PS 0x158 /* TLB 0 Page Size Register */ +#define SPRN_TLB1PS 0x159 /* TLB 1 Page Size Register */ #define SPRN_MAS5_MAS6 0x15c /* MMU Assist Register 5 || 6 */ #define SPRN_MAS8_MAS1 0x15d /* MMU Assist Register 8 || 1 */ #define SPRN_EPTCFG 0x15e /* Embedded Page Table Config */ diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 01c143bb77ae..557cff845dee 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -74,7 +74,6 @@ struct rtas_suspend_me_data { /* RTAS event classes */ #define RTAS_INTERNAL_ERROR 0x80000000 /* set bit 0 */ #define RTAS_EPOW_WARNING 0x40000000 /* set bit 1 */ -#define RTAS_POWERMGM_EVENTS 0x20000000 /* set bit 2 */ #define RTAS_HOTPLUG_EVENTS 0x10000000 /* set bit 3 */ #define RTAS_IO_EVENTS 0x08000000 /* set bit 4 */ #define RTAS_EVENT_SCAN_ALL_EVENTS 0xffffffff @@ -204,6 +203,39 @@ struct rtas_ext_event_log_v6 { /* Variable length. */ }; +/* pSeries event log format */ + +/* Two bytes ASCII section IDs */ +#define PSERIES_ELOG_SECT_ID_PRIV_HDR (('P' << 8) | 'H') +#define PSERIES_ELOG_SECT_ID_USER_HDR (('U' << 8) | 'H') +#define PSERIES_ELOG_SECT_ID_PRIMARY_SRC (('P' << 8) | 'S') +#define PSERIES_ELOG_SECT_ID_EXTENDED_UH (('E' << 8) | 'H') +#define PSERIES_ELOG_SECT_ID_FAILING_MTMS (('M' << 8) | 'T') +#define PSERIES_ELOG_SECT_ID_SECONDARY_SRC (('S' << 8) | 'S') +#define PSERIES_ELOG_SECT_ID_DUMP_LOCATOR (('D' << 8) | 'H') +#define PSERIES_ELOG_SECT_ID_FW_ERROR (('S' << 8) | 'W') +#define PSERIES_ELOG_SECT_ID_IMPACT_PART_ID (('L' << 8) | 'P') +#define PSERIES_ELOG_SECT_ID_LOGIC_RESOURCE_ID (('L' << 8) | 'R') +#define PSERIES_ELOG_SECT_ID_HMC_ID (('H' << 8) | 'M') +#define PSERIES_ELOG_SECT_ID_EPOW (('E' << 8) | 'P') +#define PSERIES_ELOG_SECT_ID_IO_EVENT (('I' << 8) | 'E') +#define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' << 8) | 'I') +#define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' << 8) | 'H') +#define PSERIES_ELOG_SECT_ID_USER_DEF (('U' << 8) | 'D') + +/* Vendor specific Platform Event Log Format, Version 6, section header */ +struct pseries_errorlog { + uint16_t id; /* 0x00 2-byte ASCII section ID */ + uint16_t length; /* 0x02 Section length in bytes */ + uint8_t version; /* 0x04 Section version */ + uint8_t subtype; /* 0x05 Section subtype */ + uint16_t creator_component; /* 0x06 Creator component ID */ + uint8_t data[]; /* 0x08 Start of section data */ +}; + +struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log, + uint16_t section_id); + /* * This can be set by the rtas_flash module so that it can get called * as the absolutely last thing before the kernel terminates. @@ -325,5 +357,7 @@ static inline int page_is_rtas_user_buf(unsigned long pfn) static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;} #endif +extern int call_rtas(const char *, int, int, unsigned long *, ...); + #endif /* __KERNEL__ */ #endif /* _POWERPC_RTAS_H */ diff --git a/arch/powerpc/include/asm/runlatch.h b/arch/powerpc/include/asm/runlatch.h new file mode 100644 index 000000000000..54e9b963876e --- /dev/null +++ b/arch/powerpc/include/asm/runlatch.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> + */ +#ifndef _ASM_POWERPC_RUNLATCH_H +#define _ASM_POWERPC_RUNLATCH_H + +#ifdef CONFIG_PPC64 + +extern void __ppc64_runlatch_on(void); +extern void __ppc64_runlatch_off(void); + +/* + * We manually hard enable-disable, this is called + * in the idle loop and we don't want to mess up + * with soft-disable/enable & interrupt replay. + */ +#define ppc64_runlatch_off() \ + do { \ + if (cpu_has_feature(CPU_FTR_CTRL) && \ + test_thread_local_flags(_TLF_RUNLATCH)) { \ + unsigned long msr = mfmsr(); \ + __hard_irq_disable(); \ + __ppc64_runlatch_off(); \ + if (msr & MSR_EE) \ + __hard_irq_enable(); \ + } \ + } while (0) + +#define ppc64_runlatch_on() \ + do { \ + if (cpu_has_feature(CPU_FTR_CTRL) && \ + !test_thread_local_flags(_TLF_RUNLATCH)) { \ + unsigned long msr = mfmsr(); \ + __hard_irq_disable(); \ + __ppc64_runlatch_on(); \ + if (msr & MSR_EE) \ + __hard_irq_enable(); \ + } \ + } while (0) +#else +#define ppc64_runlatch_on() +#define ppc64_runlatch_off() +#endif /* CONFIG_PPC64 */ + +#endif /* _ASM_POWERPC_RUNLATCH_H */ diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h index 186e0fb835bd..d084ce195fc3 100644 --- a/arch/powerpc/include/asm/setup.h +++ b/arch/powerpc/include/asm/setup.h @@ -5,6 +5,28 @@ #ifndef __ASSEMBLY__ extern void ppc_printk_progress(char *s, unsigned short hex); -#endif + +extern unsigned int rtas_data; +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 *zalloc_maybe_bootmem(size_t size, gfp_t mask); + +extern void via_cuda_init(void); +extern void read_rtc_time(void); +extern void pmac_find_display(void); + +struct device_node; +extern void note_scsi_host(struct device_node *, void *); + +/* Used in very early kernel initialization. */ +extern unsigned long reloc_offset(void); +extern unsigned long add_reloc_offset(unsigned long); +extern void reloc_got2(unsigned long); + +#define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x))) + +#endif /* !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_SETUP_H */ diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index adba970ce918..ebc24dc5b1a1 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -122,7 +122,6 @@ extern void smp_muxed_ipi_set_data(int cpu, unsigned long data); extern void smp_muxed_ipi_message_pass(int cpu, int msg); extern irqreturn_t smp_ipi_demux(void); -void smp_init_iSeries(void); void smp_init_pSeries(void); void smp_init_cell(void); void smp_init_celleb(void); diff --git a/arch/powerpc/include/asm/socket.h b/arch/powerpc/include/asm/socket.h index 2fc2af8fbf59..3d5179bb122f 100644 --- a/arch/powerpc/include/asm/socket.h +++ b/arch/powerpc/include/asm/socket.h @@ -71,5 +71,9 @@ #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_POWERPC_SOCKET_H */ diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index f9611bd69ed2..7124fc06ad47 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -23,7 +23,6 @@ #ifdef CONFIG_PPC64 #include <asm/paca.h> #include <asm/hvcall.h> -#include <asm/iseries/hv_call.h> #endif #include <asm/asm-compat.h> #include <asm/synch.h> @@ -95,12 +94,12 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) * value. */ -#if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES) +#if defined(CONFIG_PPC_SPLPAR) /* We only yield to the hypervisor if we are in shared processor mode */ #define SHARED_PROCESSOR (get_lppaca()->shared_proc) extern void __spin_yield(arch_spinlock_t *lock); extern void __rw_yield(arch_rwlock_t *lock); -#else /* SPLPAR || ISERIES */ +#else /* SPLPAR */ #define __spin_yield(x) barrier() #define __rw_yield(x) barrier() #define SHARED_PROCESSOR 0 diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h new file mode 100644 index 000000000000..caf82d0a00de --- /dev/null +++ b/arch/powerpc/include/asm/switch_to.h @@ -0,0 +1,65 @@ +/* + * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> + */ +#ifndef _ASM_POWERPC_SWITCH_TO_H +#define _ASM_POWERPC_SWITCH_TO_H + +struct thread_struct; +struct task_struct; +struct pt_regs; + +extern struct task_struct *__switch_to(struct task_struct *, + struct task_struct *); +#define switch_to(prev, next, last) ((last) = __switch_to((prev), (next))) + +struct thread_struct; +extern struct task_struct *_switch(struct thread_struct *prev, + struct thread_struct *next); + +extern void giveup_fpu(struct task_struct *); +extern void disable_kernel_fp(void); +extern void enable_kernel_fp(void); +extern void flush_fp_to_thread(struct task_struct *); +extern void enable_kernel_altivec(void); +extern void giveup_altivec(struct task_struct *); +extern void load_up_altivec(struct task_struct *); +extern int emulate_altivec(struct pt_regs *); +extern void __giveup_vsx(struct task_struct *); +extern void giveup_vsx(struct task_struct *); +extern void enable_kernel_spe(void); +extern void giveup_spe(struct task_struct *); +extern void load_up_spe(struct task_struct *); + +#ifndef CONFIG_SMP +extern void discard_lazy_cpu_state(void); +#else +static inline void discard_lazy_cpu_state(void) +{ +} +#endif + +#ifdef CONFIG_ALTIVEC +extern void flush_altivec_to_thread(struct task_struct *); +#else +static inline void flush_altivec_to_thread(struct task_struct *t) +{ +} +#endif + +#ifdef CONFIG_VSX +extern void flush_vsx_to_thread(struct task_struct *); +#else +static inline void flush_vsx_to_thread(struct task_struct *t) +{ +} +#endif + +#ifdef CONFIG_SPE +extern void flush_spe_to_thread(struct task_struct *); +#else +static inline void flush_spe_to_thread(struct task_struct *t) +{ +} +#endif + +#endif /* _ASM_POWERPC_SWITCH_TO_H */ diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h deleted file mode 100644 index c377457d1b89..000000000000 --- a/arch/powerpc/include/asm/system.h +++ /dev/null @@ -1,554 +0,0 @@ -/* - * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> - */ -#ifndef _ASM_POWERPC_SYSTEM_H -#define _ASM_POWERPC_SYSTEM_H - -#include <linux/kernel.h> -#include <linux/irqflags.h> - -#include <asm/hw_irq.h> - -/* - * Memory barrier. - * The sync instruction guarantees that all memory accesses initiated - * by this processor have been performed (with respect to all other - * mechanisms that access memory). The eieio instruction is a barrier - * providing an ordering (separately) for (a) cacheable stores and (b) - * loads and stores to non-cacheable memory (e.g. I/O devices). - * - * mb() prevents loads and stores being reordered across this point. - * rmb() prevents loads being reordered across this point. - * wmb() prevents stores being reordered across this point. - * read_barrier_depends() prevents data-dependent loads being reordered - * across this point (nop on PPC). - * - * *mb() variants without smp_ prefix must order all types of memory - * operations with one another. sync is the only instruction sufficient - * to do this. - * - * For the smp_ barriers, ordering is for cacheable memory operations - * only. We have to use the sync instruction for smp_mb(), since lwsync - * doesn't order loads with respect to previous stores. Lwsync can be - * used for smp_rmb() and smp_wmb(). - * - * However, on CPUs that don't support lwsync, lwsync actually maps to a - * heavy-weight sync, so smp_wmb() can be a lighter-weight eieio. - */ -#define mb() __asm__ __volatile__ ("sync" : : : "memory") -#define rmb() __asm__ __volatile__ ("sync" : : : "memory") -#define wmb() __asm__ __volatile__ ("sync" : : : "memory") -#define read_barrier_depends() do { } while(0) - -#define set_mb(var, value) do { var = value; mb(); } while (0) - -#ifdef __KERNEL__ -#define AT_VECTOR_SIZE_ARCH 6 /* entries in ARCH_DLINFO */ -#ifdef CONFIG_SMP - -#ifdef __SUBARCH_HAS_LWSYNC -# define SMPWMB LWSYNC -#else -# define SMPWMB eieio -#endif - -#define smp_mb() mb() -#define smp_rmb() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") -#define smp_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory") -#define smp_read_barrier_depends() read_barrier_depends() -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while(0) -#endif /* CONFIG_SMP */ - -/* - * This is a barrier which prevents following instructions from being - * started until the value of the argument x is known. For example, if - * x is a variable loaded from memory, this prevents following - * instructions from being executed until the load has been performed. - */ -#define data_barrier(x) \ - asm volatile("twi 0,%0,0; isync" : : "r" (x) : "memory"); - -struct task_struct; -struct pt_regs; - -#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) - -extern int (*__debugger)(struct pt_regs *regs); -extern int (*__debugger_ipi)(struct pt_regs *regs); -extern int (*__debugger_bpt)(struct pt_regs *regs); -extern int (*__debugger_sstep)(struct pt_regs *regs); -extern int (*__debugger_iabr_match)(struct pt_regs *regs); -extern int (*__debugger_dabr_match)(struct pt_regs *regs); -extern int (*__debugger_fault_handler)(struct pt_regs *regs); - -#define DEBUGGER_BOILERPLATE(__NAME) \ -static inline int __NAME(struct pt_regs *regs) \ -{ \ - if (unlikely(__ ## __NAME)) \ - return __ ## __NAME(regs); \ - return 0; \ -} - -DEBUGGER_BOILERPLATE(debugger) -DEBUGGER_BOILERPLATE(debugger_ipi) -DEBUGGER_BOILERPLATE(debugger_bpt) -DEBUGGER_BOILERPLATE(debugger_sstep) -DEBUGGER_BOILERPLATE(debugger_iabr_match) -DEBUGGER_BOILERPLATE(debugger_dabr_match) -DEBUGGER_BOILERPLATE(debugger_fault_handler) - -#else -static inline int debugger(struct pt_regs *regs) { return 0; } -static inline int debugger_ipi(struct pt_regs *regs) { return 0; } -static inline int debugger_bpt(struct pt_regs *regs) { return 0; } -static inline int debugger_sstep(struct pt_regs *regs) { return 0; } -static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; } -static inline int debugger_dabr_match(struct pt_regs *regs) { return 0; } -static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; } -#endif - -extern int set_dabr(unsigned long dabr); -#ifdef CONFIG_PPC_ADV_DEBUG_REGS -extern void do_send_trap(struct pt_regs *regs, unsigned long address, - unsigned long error_code, int signal_code, int brkpt); -#else -extern void do_dabr(struct pt_regs *regs, unsigned long address, - unsigned long error_code); -#endif -extern void print_backtrace(unsigned long *); -extern void flush_instruction_cache(void); -extern void hard_reset_now(void); -extern void poweroff_now(void); - -#ifdef CONFIG_6xx -extern long _get_L2CR(void); -extern long _get_L3CR(void); -extern void _set_L2CR(unsigned long); -extern void _set_L3CR(unsigned long); -#else -#define _get_L2CR() 0L -#define _get_L3CR() 0L -#define _set_L2CR(val) do { } while(0) -#define _set_L3CR(val) do { } while(0) -#endif - -extern void via_cuda_init(void); -extern void read_rtc_time(void); -extern void pmac_find_display(void); -extern void giveup_fpu(struct task_struct *); -extern void disable_kernel_fp(void); -extern void enable_kernel_fp(void); -extern void flush_fp_to_thread(struct task_struct *); -extern void enable_kernel_altivec(void); -extern void giveup_altivec(struct task_struct *); -extern void load_up_altivec(struct task_struct *); -extern int emulate_altivec(struct pt_regs *); -extern void __giveup_vsx(struct task_struct *); -extern void giveup_vsx(struct task_struct *); -extern void enable_kernel_spe(void); -extern void giveup_spe(struct task_struct *); -extern void load_up_spe(struct task_struct *); -extern int fix_alignment(struct pt_regs *); -extern void cvt_fd(float *from, double *to); -extern void cvt_df(double *from, float *to); - -#ifndef CONFIG_SMP -extern void discard_lazy_cpu_state(void); -#else -static inline void discard_lazy_cpu_state(void) -{ -} -#endif - -#ifdef CONFIG_ALTIVEC -extern void flush_altivec_to_thread(struct task_struct *); -#else -static inline void flush_altivec_to_thread(struct task_struct *t) -{ -} -#endif - -#ifdef CONFIG_VSX -extern void flush_vsx_to_thread(struct task_struct *); -#else -static inline void flush_vsx_to_thread(struct task_struct *t) -{ -} -#endif - -#ifdef CONFIG_SPE -extern void flush_spe_to_thread(struct task_struct *); -#else -static inline void flush_spe_to_thread(struct task_struct *t) -{ -} -#endif - -extern int call_rtas(const char *, int, int, unsigned long *, ...); -extern void cacheable_memzero(void *p, unsigned int nb); -extern void *cacheable_memcpy(void *, const void *, unsigned int); -extern int do_page_fault(struct pt_regs *, unsigned long, unsigned long); -extern void bad_page_fault(struct pt_regs *, unsigned long, int); -extern void _exception(int, struct pt_regs *, int, unsigned long); -extern void die(const char *, struct pt_regs *, long); -extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); - -#ifdef CONFIG_BOOKE_WDT -extern u32 booke_wdt_enabled; -extern u32 booke_wdt_period; -#endif /* CONFIG_BOOKE_WDT */ - -struct device_node; -extern void note_scsi_host(struct device_node *, void *); - -extern struct task_struct *__switch_to(struct task_struct *, - struct task_struct *); -#define switch_to(prev, next, last) ((last) = __switch_to((prev), (next))) - -struct thread_struct; -extern struct task_struct *_switch(struct thread_struct *prev, - struct thread_struct *next); - -extern unsigned int rtas_data; -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 *zalloc_maybe_bootmem(size_t size, gfp_t mask); - -extern int powersave_nap; /* set if nap mode can be used in idle loop */ -void cpu_idle_wait(void); - -#ifdef CONFIG_PSERIES_IDLE -extern void update_smt_snooze_delay(int snooze); -extern int pseries_notify_cpuidle_add_cpu(int cpu); -#else -static inline void update_smt_snooze_delay(int snooze) {} -static inline int pseries_notify_cpuidle_add_cpu(int cpu) { return 0; } -#endif - -/* - * Atomic exchange - * - * Changes the memory location '*ptr' to be val and returns - * the previous value stored there. - */ -static __always_inline unsigned long -__xchg_u32(volatile void *p, unsigned long val) -{ - unsigned long prev; - - __asm__ __volatile__( - PPC_RELEASE_BARRIER -"1: lwarx %0,0,%2 \n" - PPC405_ERR77(0,%2) -" stwcx. %3,0,%2 \n\ - bne- 1b" - PPC_ACQUIRE_BARRIER - : "=&r" (prev), "+m" (*(volatile unsigned int *)p) - : "r" (p), "r" (val) - : "cc", "memory"); - - return prev; -} - -/* - * Atomic exchange - * - * Changes the memory location '*ptr' to be val and returns - * the previous value stored there. - */ -static __always_inline unsigned long -__xchg_u32_local(volatile void *p, unsigned long val) -{ - unsigned long prev; - - __asm__ __volatile__( -"1: lwarx %0,0,%2 \n" - PPC405_ERR77(0,%2) -" stwcx. %3,0,%2 \n\ - bne- 1b" - : "=&r" (prev), "+m" (*(volatile unsigned int *)p) - : "r" (p), "r" (val) - : "cc", "memory"); - - return prev; -} - -#ifdef CONFIG_PPC64 -static __always_inline unsigned long -__xchg_u64(volatile void *p, unsigned long val) -{ - unsigned long prev; - - __asm__ __volatile__( - PPC_RELEASE_BARRIER -"1: ldarx %0,0,%2 \n" - PPC405_ERR77(0,%2) -" stdcx. %3,0,%2 \n\ - bne- 1b" - PPC_ACQUIRE_BARRIER - : "=&r" (prev), "+m" (*(volatile unsigned long *)p) - : "r" (p), "r" (val) - : "cc", "memory"); - - return prev; -} - -static __always_inline unsigned long -__xchg_u64_local(volatile void *p, unsigned long val) -{ - unsigned long prev; - - __asm__ __volatile__( -"1: ldarx %0,0,%2 \n" - PPC405_ERR77(0,%2) -" stdcx. %3,0,%2 \n\ - bne- 1b" - : "=&r" (prev), "+m" (*(volatile unsigned long *)p) - : "r" (p), "r" (val) - : "cc", "memory"); - - return prev; -} -#endif - -/* - * This function doesn't exist, so you'll get a linker error - * if something tries to do an invalid xchg(). - */ -extern void __xchg_called_with_bad_pointer(void); - -static __always_inline unsigned long -__xchg(volatile void *ptr, unsigned long x, unsigned int size) -{ - switch (size) { - case 4: - return __xchg_u32(ptr, x); -#ifdef CONFIG_PPC64 - case 8: - return __xchg_u64(ptr, x); -#endif - } - __xchg_called_with_bad_pointer(); - return x; -} - -static __always_inline unsigned long -__xchg_local(volatile void *ptr, unsigned long x, unsigned int size) -{ - switch (size) { - case 4: - return __xchg_u32_local(ptr, x); -#ifdef CONFIG_PPC64 - case 8: - return __xchg_u64_local(ptr, x); -#endif - } - __xchg_called_with_bad_pointer(); - return x; -} -#define xchg(ptr,x) \ - ({ \ - __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \ - }) - -#define xchg_local(ptr,x) \ - ({ \ - __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg_local((ptr), \ - (unsigned long)_x_, sizeof(*(ptr))); \ - }) - -/* - * Compare and exchange - if *p == old, set it to new, - * and return the old value of *p. - */ -#define __HAVE_ARCH_CMPXCHG 1 - -static __always_inline unsigned long -__cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) -{ - unsigned int prev; - - __asm__ __volatile__ ( - PPC_RELEASE_BARRIER -"1: lwarx %0,0,%2 # __cmpxchg_u32\n\ - cmpw 0,%0,%3\n\ - bne- 2f\n" - PPC405_ERR77(0,%2) -" stwcx. %4,0,%2\n\ - bne- 1b" - PPC_ACQUIRE_BARRIER - "\n\ -2:" - : "=&r" (prev), "+m" (*p) - : "r" (p), "r" (old), "r" (new) - : "cc", "memory"); - - return prev; -} - -static __always_inline unsigned long -__cmpxchg_u32_local(volatile unsigned int *p, unsigned long old, - unsigned long new) -{ - unsigned int prev; - - __asm__ __volatile__ ( -"1: lwarx %0,0,%2 # __cmpxchg_u32\n\ - cmpw 0,%0,%3\n\ - bne- 2f\n" - PPC405_ERR77(0,%2) -" stwcx. %4,0,%2\n\ - bne- 1b" - "\n\ -2:" - : "=&r" (prev), "+m" (*p) - : "r" (p), "r" (old), "r" (new) - : "cc", "memory"); - - return prev; -} - -#ifdef CONFIG_PPC64 -static __always_inline unsigned long -__cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new) -{ - unsigned long prev; - - __asm__ __volatile__ ( - PPC_RELEASE_BARRIER -"1: ldarx %0,0,%2 # __cmpxchg_u64\n\ - cmpd 0,%0,%3\n\ - bne- 2f\n\ - stdcx. %4,0,%2\n\ - bne- 1b" - PPC_ACQUIRE_BARRIER - "\n\ -2:" - : "=&r" (prev), "+m" (*p) - : "r" (p), "r" (old), "r" (new) - : "cc", "memory"); - - return prev; -} - -static __always_inline unsigned long -__cmpxchg_u64_local(volatile unsigned long *p, unsigned long old, - unsigned long new) -{ - unsigned long prev; - - __asm__ __volatile__ ( -"1: ldarx %0,0,%2 # __cmpxchg_u64\n\ - cmpd 0,%0,%3\n\ - bne- 2f\n\ - stdcx. %4,0,%2\n\ - bne- 1b" - "\n\ -2:" - : "=&r" (prev), "+m" (*p) - : "r" (p), "r" (old), "r" (new) - : "cc", "memory"); - - return prev; -} -#endif - -/* This function doesn't exist, so you'll get a linker error - if something tries to do an invalid cmpxchg(). */ -extern void __cmpxchg_called_with_bad_pointer(void); - -static __always_inline unsigned long -__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, - unsigned int size) -{ - switch (size) { - case 4: - return __cmpxchg_u32(ptr, old, new); -#ifdef CONFIG_PPC64 - case 8: - return __cmpxchg_u64(ptr, old, new); -#endif - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -static __always_inline unsigned long -__cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, - unsigned int size) -{ - switch (size) { - case 4: - return __cmpxchg_u32_local(ptr, old, new); -#ifdef CONFIG_PPC64 - case 8: - return __cmpxchg_u64_local(ptr, old, new); -#endif - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -#define cmpxchg(ptr, o, n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr))); \ - }) - - -#define cmpxchg_local(ptr, o, n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr))); \ - }) - -#ifdef CONFIG_PPC64 -/* - * We handle most unaligned accesses in hardware. On the other hand - * unaligned DMA can be very expensive on some ppc64 IO chips (it does - * powers of 2 writes until it reaches sufficient alignment). - * - * Based on this we disable the IP header alignment in network drivers. - */ -#define NET_IP_ALIGN 0 - -#define cmpxchg64(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg((ptr), (o), (n)); \ - }) -#define cmpxchg64_local(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg_local((ptr), (o), (n)); \ - }) -#else -#include <asm-generic/cmpxchg-local.h> -#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) -#endif - -extern unsigned long arch_align_stack(unsigned long sp); - -/* Used in very early kernel initialization. */ -extern unsigned long reloc_offset(void); -extern unsigned long add_reloc_offset(unsigned long); -extern void reloc_got2(unsigned long); - -#define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x))) - -extern struct dentry *powerpc_debugfs_root; - -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_SYSTEM_H */ diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index 964714940961..4a741c7efd02 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -110,7 +110,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_NOERROR 12 /* Force successful syscall return */ #define TIF_NOTIFY_RESUME 13 /* callback before returning to user */ #define TIF_SYSCALL_TRACEPOINT 15 /* syscall tracepoint instrumentation */ -#define TIF_RUNLATCH 16 /* Is the runlatch enabled? */ /* as above, but as bit values */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) @@ -141,11 +140,13 @@ static inline struct thread_info *current_thread_info(void) #define TLF_SLEEPING 1 /* suspend code enabled SLEEP mode */ #define TLF_RESTORE_SIGMASK 2 /* Restore signal mask in do_signal */ #define TLF_LAZY_MMU 3 /* tlb_batch is active */ +#define TLF_RUNLATCH 4 /* Is the runlatch enabled? */ #define _TLF_NAPPING (1 << TLF_NAPPING) #define _TLF_SLEEPING (1 << TLF_SLEEPING) #define _TLF_RESTORE_SIGMASK (1 << TLF_RESTORE_SIGMASK) #define _TLF_LAZY_MMU (1 << TLF_LAZY_MMU) +#define _TLF_RUNLATCH (1 << TLF_RUNLATCH) #ifndef __ASSEMBLY__ #define HAVE_SET_RESTORE_SIGMASK 1 @@ -156,6 +157,12 @@ static inline void set_restore_sigmask(void) set_bit(TIF_SIGPENDING, &ti->flags); } +static inline bool test_thread_local_flags(unsigned int flags) +{ + struct thread_info *ti = current_thread_info(); + return (ti->local_flags & flags) != 0; +} + #ifdef CONFIG_PPC64 #define is_32bit_task() (test_thread_flag(TIF_32BIT)) #else diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h index 7eb10fb96cd0..2136f58a54e8 100644 --- a/arch/powerpc/include/asm/time.h +++ b/arch/powerpc/include/asm/time.h @@ -18,11 +18,6 @@ #include <linux/percpu.h> #include <asm/processor.h> -#ifdef CONFIG_PPC_ISERIES -#include <asm/paca.h> -#include <asm/firmware.h> -#include <asm/iseries/hv_call.h> -#endif /* time.c */ extern unsigned long tb_ticks_per_jiffy; @@ -167,15 +162,6 @@ static inline void set_dec(int val) #ifndef CONFIG_BOOKE --val; #endif -#ifdef CONFIG_PPC_ISERIES - if (firmware_has_feature(FW_FEATURE_ISERIES) && - get_lppaca()->shared_proc) { - get_lppaca()->virtual_decr = val; - if (get_dec() > val) - HvCall_setVirtualDecr(); - return; - } -#endif mtspr(SPRN_DEC, val); #endif /* not 40x or 8xx_CPU6 */ } @@ -217,7 +203,6 @@ DECLARE_PER_CPU(struct cpu_usage, cpu_usage_array); #endif extern void secondary_cpu_time_init(void); -extern void iSeries_time_init_early(void); DECLARE_PER_CPU(u64, decrementers_next_tb); diff --git a/arch/powerpc/include/asm/udbg.h b/arch/powerpc/include/asm/udbg.h index 8338aef5a4d3..b3038817b8dc 100644 --- a/arch/powerpc/include/asm/udbg.h +++ b/arch/powerpc/include/asm/udbg.h @@ -44,7 +44,6 @@ extern void __init udbg_init_debug_lpar_hvsi(void); extern void __init udbg_init_pmac_realmode(void); extern void __init udbg_init_maple_realmode(void); extern void __init udbg_init_pas_realmode(void); -extern void __init udbg_init_iseries(void); extern void __init udbg_init_rtas_panel(void); extern void __init udbg_init_rtas_console(void); extern void __init udbg_init_debug_beat(void); diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h index 0a290a195946..6bfd5ffe1d4f 100644 --- a/arch/powerpc/include/asm/vio.h +++ b/arch/powerpc/include/asm/vio.h @@ -69,6 +69,7 @@ struct vio_dev { }; struct vio_driver { + const char *name; const struct vio_device_id *id_table; int (*probe)(struct vio_dev *dev, const struct vio_device_id *id); int (*remove)(struct vio_dev *dev); @@ -76,10 +77,17 @@ struct vio_driver { * be loaded in a CMO environment if it uses DMA. */ unsigned long (*get_desired_dma)(struct vio_dev *dev); + const struct dev_pm_ops *pm; struct device_driver driver; }; -extern int vio_register_driver(struct vio_driver *drv); +extern int __vio_register_driver(struct vio_driver *drv, struct module *owner, + const char *mod_name); +/* + * vio_register_driver must be a macro so that KBUILD_MODNAME can be expanded + */ +#define vio_register_driver(driver) \ + __vio_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) extern void vio_unregister_driver(struct vio_driver *drv); extern int vio_cmo_entitlement_update(size_t); diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h index c48de98ba94e..4ae9a09c3b89 100644 --- a/arch/powerpc/include/asm/xics.h +++ b/arch/powerpc/include/asm/xics.h @@ -86,7 +86,7 @@ struct ics { extern unsigned int xics_default_server; extern unsigned int xics_default_distrib_server; extern unsigned int xics_interrupt_server_size; -extern struct irq_host *xics_host; +extern struct irq_domain *xics_host; struct xics_cppr { unsigned char stack[MAX_NUM_PRIORITIES]; |
