include/asm/paca.h

63 struct paca_struct {  struct
72 	struct lppaca *lppaca_ptr;	/* Pointer to LpPaca for PLIC */
82 	u16 lock_token;			/* Constant 0x8000, used in locks */
83 	u16 paca_index;			/* Logical processor number */
85 	u16 paca_index;			/* Logical processor number */
86 	u16 lock_token;			/* Constant 0x8000, used in locks */
89 	u64 kernel_toc;			/* Kernel TOC address */
90 	u64 kernelbase;			/* Base address of kernel */
91 	u64 kernel_msr;			/* MSR while running in kernel */
92 	void *emergency_sp;		/* pointer to emergency stack */
93 	u64 data_offset;		/* per cpu data offset */
94 	s16 hw_cpu_id;			/* Physical processor number */
95 	u8 cpu_start;			/* At startup, processor spins until */
97 	u8 kexec_state;		/* set when kexec down has irqs off */
99 	struct slb_shadow *slb_shadow_ptr;
100 	struct dtl_entry *dispatch_log;
101 	struct dtl_entry *dispatch_log_end;
103 	u64 dscr_default;		/* per-CPU default DSCR */
110 	u64 exgen[EX_SIZE] __attribute__((aligned(0x80)));
111 	u64 exslb[EX_SIZE];	/* used for SLB/segment table misses
114 	u16 vmalloc_sllp;
115 	u8 slb_cache_ptr;
116 	u8 stab_rr;			/* stab/slb round-robin counter */
118 	u8 in_kernel_slb_handler;
120 	u32 slb_used_bitmap;		/* Bitmaps for first 32 SLB entries. */
121 	u32 slb_kern_bitmap;
122 	u32 slb_cache[SLB_CACHE_ENTRIES];
126 	u64 exgen[8] __aligned(0x40);
129 	pgd_t *kernel_pgd;		/* Kernel PGD */
132 	struct tlb_core_data *tcd_ptr;
138 	u64 extlb[12][EX_TLB_SIZE / sizeof(u64)];
139 	u64 exmc[8];		/* used for machine checks */
140 	u64 excrit[8];		/* used for crit interrupts */
141 	u64 exdbg[8];		/* used for debug interrupts */
144 	void *mc_kstack;
145 	void *crit_kstack;
146 	void *dbg_kstack;
148 	struct tlb_core_data tcd;
152 	mm_context_id_t mm_ctx_id;
154 	unsigned char mm_ctx_low_slices_psize[BITS_PER_LONG / BITS_PER_BYTE];
155 	unsigned char mm_ctx_high_slices_psize[SLICE_ARRAY_SIZE];
156 	unsigned long mm_ctx_slb_addr_limit;
158 	u16 mm_ctx_user_psize;
159 	u16 mm_ctx_sllp;
166 	struct task_struct *__current;	/* Pointer to current */
167 	u64 kstack;			/* Saved Kernel stack addr */
168 	u64 saved_r1;			/* r1 save for RTAS calls or PM or EE=0 */
169 	u64 saved_msr;			/* MSR saved here by enter_rtas */
171 	u16 trap_save;			/* Used when bad stack is encountered */
173 	u8 irq_soft_mask;		/* mask for irq soft masking */
174 	u8 irq_happened;		/* irq happened while soft-disabled */
175 	u8 irq_work_pending;		/* IRQ_WORK interrupt while soft-disable */
177 	u8 pmcregs_in_use;		/* pseries puts this in lppaca */
179 	u64 sprg_vdso;			/* Saved user-visible sprg */
181 	u64 tm_scratch;                 /* TM scratch area for reclaim */
187 	unsigned long idle_state;
188 	union {
211 	u64 exnmi[EX_SIZE];	/* used for system reset (nmi) */
212 	u64 exmc[EX_SIZE];	/* used for machine checks */
216 	void *nmi_emergency_sp;
217 	void *mc_emergency_sp;
219 	u16 in_nmi;			/* In nmi handler */
225 	u16 in_mce;
226 	u8 hmi_event_available;		/* HMI event is available */
227 	u8 hmi_p9_special_emu;		/* HMI P9 special emulation */
228 	u32 hmi_irqs;			/* HMI irq stat */
230 	u8 ftrace_enabled;		/* Hard disable ftrace */
233 	struct cpu_accounting_data accounting;
234 	u64 dtl_ridx;			/* read index in dispatch log */
235 	struct dtl_entry *dtl_curr;	/* pointer corresponding to dtl_ridx */
240 	struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
242 	struct kvmppc_host_state kvm_hstate;
248 	struct sibling_subcore_state *sibling_subcore_state;
279 extern struct paca_struct **paca_ptrs;  argument