include/asm/paca.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3  * This control block defines the PACA which defines the processor
4  * specific data for each logical processor on the system.
21 #include <asm/exception-64e.h>
23 #include <asm/exception-64s.h>
33 #include <asm-generic/mmiowb_types.h>
49 #define get_lppaca()	(get_paca()->lppaca_ptr)
52 #define get_slb_shadow()	(get_paca()->slb_shadow_ptr)
61  * processor.
68 	 * read-only (after boot) fields in the first cacheline to
83 	u16 paca_index;			/* Logical processor number */
85 	u16 paca_index;			/* Logical processor number */
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 */
96 					/* this becomes non-zero. */
103 	u64 dscr_default;		/* per-CPU default DSCR */
116 	u8 stab_rr;			/* stab/slb round-robin counter */
131 	/* Shared by all threads of a core -- points to tcd of first thread */
164 	 * then miscellaneous read-write fields
174 	u8 irq_happened;		/* irq happened while soft-disabled */
175 	u8 irq_work_pending;		/* IRQ_WORK interrupt while soft-disable */
179 	u64 sprg_vdso;			/* Saved user-visible sprg */
210 	/* Non-maskable exceptions that are not performance critical */
262 	u8 *mce_data_buf;		/* buffer to hold per cpu rtas errlog */