include/asm/paca.h

54 struct paca_struct {  struct
63 	struct lppaca *lppaca_ptr;	/* Pointer to LpPaca for PLIC */
71 	u16 lock_token;			/* Constant 0x8000, used in locks */
72 	u16 paca_index;			/* Logical processor number */
74 	u64 kernel_toc;			/* Kernel TOC address */
75 	u64 kernelbase;			/* Base address of kernel */
76 	u64 kernel_msr;			/* MSR while running in kernel */
78 	u64 stab_real;			/* Absolute address of segment table */
79 	u64 stab_addr;			/* Virtual address of segment table */
81 	void *emergency_sp;		/* pointer to emergency stack */
82 	u64 data_offset;		/* per cpu data offset */
83 	s16 hw_cpu_id;			/* Physical processor number */
84 	u8 cpu_start;			/* At startup, processor spins until */
86 	u8 kexec_state;		/* set when kexec down has irqs off */
88 	struct slb_shadow *slb_shadow_ptr;
89 	struct dtl_entry *dispatch_log;
90 	struct dtl_entry *dispatch_log_end;
96 	u64 exgen[11] __attribute__((aligned(0x80)));
97 	u64 exmc[11];		/* used for machine checks */
98 	u64 exslb[11];		/* used for SLB/segment table misses
101 	u16 vmalloc_sllp;
102 	u16 slb_cache_ptr;
103 	u16 slb_cache[SLB_CACHE_ENTRIES];
107 	u64 exgen[8] __attribute__((aligned(0x80)));
109 	pgd_t *pgd __attribute__((aligned(0x80))); /* Current PGD */
110 	pgd_t *kernel_pgd;		/* Kernel PGD */
112 	u64 extlb[3][EX_TLB_SIZE / sizeof(u64)];
113 	u64 exmc[8];		/* used for machine checks */
114 	u64 excrit[8];		/* used for crit interrupts */
115 	u64 exdbg[8];		/* used for debug interrupts */
118 	void *mc_kstack;
119 	void *crit_kstack;
120 	void *dbg_kstack;
123 	mm_context_t context;
128 	struct task_struct *__current;	/* Pointer to current */
129 	u64 kstack;			/* Saved Kernel stack addr */
130 	u64 stab_rr;			/* stab/slb round-robin counter */
131 	u64 saved_r1;			/* r1 save for RTAS calls or PM */
132 	u64 saved_msr;			/* MSR saved here by enter_rtas */
133 	u16 trap_save;			/* Used when bad stack is encountered */
134 	u8 soft_enabled;		/* irq soft-enable flag */
135 	u8 hard_enabled;		/* set if irqs are enabled in MSR */
136 	u8 io_sync;			/* writel() needs spin_unlock sync */
137 	u8 irq_work_pending;		/* IRQ_WORK interrupt while soft-disable */
138 	u8 nap_state_lost;		/* NV GPR values lost in power7_idle */
144 	struct opal_machine_check_event *opal_mc_evt;
168 extern struct paca_struct *paca;  argument