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Diffstat (limited to 'arch/powerpc/include/asm/paca.h')
-rw-r--r--arch/powerpc/include/asm/paca.h55
1 files changed, 31 insertions, 24 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index e3cc9eb9204d..1d58da946739 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -12,12 +12,12 @@
#ifdef CONFIG_PPC64
+#include <linux/cache.h>
#include <linux/string.h>
#include <asm/types.h>
-#include <asm/lppaca.h>
#include <asm/mmu.h>
#include <asm/page.h>
-#ifdef CONFIG_PPC_BOOK3E
+#ifdef CONFIG_PPC_BOOK3E_64
#include <asm/exception-64e.h>
#else
#include <asm/exception-64s.h>
@@ -29,6 +29,7 @@
#include <asm/hmi.h>
#include <asm/cpuidle.h>
#include <asm/atomic.h>
+#include <asm/mce.h>
#include <asm-generic/mmiowb_types.h>
@@ -45,13 +46,11 @@ extern unsigned int debug_smp_processor_id(void); /* from linux/smp.h */
#define get_paca() local_paca
#endif
-#ifdef CONFIG_PPC_PSERIES
-#define get_lppaca() (get_paca()->lppaca_ptr)
-#endif
-
#define get_slb_shadow() (get_paca()->slb_shadow_ptr)
struct task_struct;
+struct rtas_args;
+struct lppaca;
/*
* Defines the layout of the paca.
@@ -85,7 +84,9 @@ struct paca_struct {
u16 lock_token; /* Constant 0x8000, used in locks */
#endif
+#ifndef CONFIG_PPC_KERNEL_PCREL
u64 kernel_toc; /* Kernel TOC address */
+#endif
u64 kernelbase; /* Base address of kernel */
u64 kernel_msr; /* MSR while running in kernel */
void *emergency_sp; /* pointer to emergency stack */
@@ -95,7 +96,9 @@ struct paca_struct {
/* this becomes non-zero. */
u8 kexec_state; /* set when kexec down has irqs off */
#ifdef CONFIG_PPC_BOOK3S_64
+#ifdef CONFIG_PPC_64S_HASH_MMU
struct slb_shadow *slb_shadow_ptr;
+#endif
struct dtl_entry *dispatch_log;
struct dtl_entry *dispatch_log_end;
#endif
@@ -107,8 +110,8 @@ struct paca_struct {
*/
/* used for most interrupts/exceptions */
u64 exgen[EX_SIZE] __attribute__((aligned(0x80)));
- u64 exslb[EX_SIZE]; /* used for SLB/segment table misses
- * on the linear mapping */
+
+#ifdef CONFIG_PPC_64S_HASH_MMU
/* SLB related definitions */
u16 vmalloc_sllp;
u8 slb_cache_ptr;
@@ -119,9 +122,10 @@ struct paca_struct {
u32 slb_used_bitmap; /* Bitmaps for first 32 SLB entries. */
u32 slb_kern_bitmap;
u32 slb_cache[SLB_CACHE_ENTRIES];
+#endif
#endif /* CONFIG_PPC_BOOK3S_64 */
-#ifdef CONFIG_PPC_BOOK3E
+#ifdef CONFIG_PPC_BOOK3E_64
u64 exgen[8] __aligned(0x40);
/* Keep pgd in the same cacheline as the start of extlb */
pgd_t *pgd __aligned(0x40); /* Current PGD */
@@ -145,18 +149,11 @@ struct paca_struct {
void *dbg_kstack;
struct tlb_core_data tcd;
-#endif /* CONFIG_PPC_BOOK3E */
+#endif /* CONFIG_PPC_BOOK3E_64 */
-#ifdef CONFIG_PPC_BOOK3S
- mm_context_id_t mm_ctx_id;
-#ifdef CONFIG_PPC_MM_SLICES
+#ifdef CONFIG_PPC_64S_HASH_MMU
unsigned char mm_ctx_low_slices_psize[BITS_PER_LONG / BITS_PER_BYTE];
unsigned char mm_ctx_high_slices_psize[SLICE_ARRAY_SIZE];
- unsigned long mm_ctx_slb_addr_limit;
-#else
- u16 mm_ctx_user_psize;
- u16 mm_ctx_sllp;
-#endif
#endif
/*
@@ -166,9 +163,14 @@ struct paca_struct {
u64 kstack; /* Saved Kernel stack addr */
u64 saved_r1; /* r1 save for RTAS calls or PM or EE=0 */
u64 saved_msr; /* MSR saved here by enter_rtas */
-#ifdef CONFIG_PPC_BOOK3E
+ u64 exit_save_r1; /* Syscall/interrupt R1 save */
+#ifdef CONFIG_PPC_BOOK3E_64
u16 trap_save; /* Used when bad stack is encountered */
#endif
+#ifdef CONFIG_PPC_BOOK3S_64
+ u8 hsrr_valid; /* HSRRs set for HRFID */
+ u8 srr_valid; /* SRRs set for RFID */
+#endif
u8 irq_soft_mask; /* mask for irq soft masking */
u8 irq_happened; /* irq happened while soft-disabled */
u8 irq_work_pending; /* IRQ_WORK interrupt while soft-disable */
@@ -183,6 +185,7 @@ struct paca_struct {
#ifdef CONFIG_PPC_POWERNV
/* PowerNV idle fields */
/* PNV_CORE_IDLE_* bits, all siblings work on thread 0 paca */
+ unsigned long idle_lock; /* A value of 1 means acquired */
unsigned long idle_state;
union {
/* P7/P8 specific fields */
@@ -209,8 +212,6 @@ struct paca_struct {
/* Non-maskable exceptions that are not performance critical */
u64 exnmi[EX_SIZE]; /* used for system reset (nmi) */
u64 exmc[EX_SIZE]; /* used for machine checks */
-#endif
-#ifdef CONFIG_PPC_BOOK3S_64
/* Exclusive stacks for system reset and machine check exception. */
void *nmi_emergency_sp;
void *mc_emergency_sp;
@@ -224,6 +225,7 @@ struct paca_struct {
u16 in_mce;
u8 hmi_event_available; /* HMI event is available */
u8 hmi_p9_special_emu; /* HMI P9 special emulation */
+ u32 hmi_irqs; /* HMI irq stat */
#endif
u8 ftrace_enabled; /* Hard disable ftrace */
@@ -260,9 +262,11 @@ struct paca_struct {
#endif /* CONFIG_PPC_PSERIES */
#ifdef CONFIG_PPC_BOOK3S_64
+#ifdef CONFIG_PPC_64S_HASH_MMU
/* Capture SLB related old contents in MCE handler. */
struct slb_entry *mce_faulty_slbs;
u16 slb_save_cache_ptr;
+#endif
#endif /* CONFIG_PPC_BOOK3S_64 */
#ifdef CONFIG_STACKPROTECTOR
unsigned long canary;
@@ -270,6 +274,10 @@ struct paca_struct {
#ifdef CONFIG_MMIOWB
struct mmiowb_state mmiowb_state;
#endif
+#ifdef CONFIG_PPC_BOOK3S_64
+ struct mce_info *mce_info;
+ u8 mce_pending_irq_work;
+#endif /* CONFIG_PPC_BOOK3S_64 */
} ____cacheline_aligned;
extern void copy_mm_to_paca(struct mm_struct *mm);
@@ -282,9 +290,8 @@ extern void free_unused_pacas(void);
#else /* CONFIG_PPC64 */
-static inline void allocate_paca_ptrs(void) { };
-static inline void allocate_paca(int cpu) { };
-static inline void free_unused_pacas(void) { };
+static inline void allocate_paca(int cpu) { }
+static inline void free_unused_pacas(void) { }
#endif /* CONFIG_PPC64 */