diff options
Diffstat (limited to 'include/asm-powerpc/lppaca.h')
| -rw-r--r-- | include/asm-powerpc/lppaca.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-powerpc/lppaca.h b/include/asm-powerpc/lppaca.h index 4dc514aabfe..942bb450baf 100644 --- a/include/asm-powerpc/lppaca.h +++ b/include/asm-powerpc/lppaca.h @@ -27,7 +27,9 @@ // // //---------------------------------------------------------------------------- +#include <linux/cache.h> #include <asm/types.h> +#include <asm/mmu.h> /* The Hypervisor barfs if the lppaca crosses a page boundary. A 1k * alignment is sufficient to prevent this */ @@ -133,5 +135,22 @@ struct lppaca { extern struct lppaca lppaca[]; +/* + * SLB shadow buffer structure as defined in the PAPR. The save_area + * contains adjacent ESID and VSID pairs for each shadowed SLB. The + * ESID is stored in the lower 64bits, then the VSID. + */ +struct slb_shadow { + u32 persistent; // Number of persistent SLBs x00-x03 + u32 buffer_length; // Total shadow buffer length x04-x07 + u64 reserved; // Alignment x08-x0f + struct { + u64 esid; + u64 vsid; + } save_area[SLB_NUM_BOLTED]; // x10-x40 +} ____cacheline_aligned; + +extern struct slb_shadow slb_shadow[]; + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_LPPACA_H */ |