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Diffstat (limited to 'arch/powerpc/include/asm/lppaca.h')
-rw-r--r--arch/powerpc/include/asm/lppaca.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h
index 6d02624b622..cfb85ec8575 100644
--- a/arch/powerpc/include/asm/lppaca.h
+++ b/arch/powerpc/include/asm/lppaca.h
@@ -172,6 +172,25 @@ struct slb_shadow {
extern struct slb_shadow slb_shadow[];
+/*
+ * Layout of entries in the hypervisor's dispatch trace log buffer.
+ */
+struct dtl_entry {
+ u8 dispatch_reason;
+ u8 preempt_reason;
+ u16 processor_id;
+ u32 enqueue_to_dispatch_time;
+ u32 ready_to_enqueue_time;
+ u32 waiting_to_ready_time;
+ u64 timebase;
+ u64 fault_addr;
+ u64 srr0;
+ u64 srr1;
+};
+
+#define DISPATCH_LOG_BYTES 4096 /* bytes per cpu */
+#define N_DISPATCH_LOG (DISPATCH_LOG_BYTES / sizeof(struct dtl_entry))
+
#endif /* CONFIG_PPC_BOOK3S */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_LPPACA_H */