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- #ifndef _ASM_POWERPC_DTL_H
- #define _ASM_POWERPC_DTL_H
- #include <asm/lppaca.h>
- #include <linux/spinlock_types.h>
- /*
- * Layout of entries in the hypervisor's dispatch trace log buffer.
- */
- struct dtl_entry {
- u8 dispatch_reason;
- u8 preempt_reason;
- __be16 processor_id;
- __be32 enqueue_to_dispatch_time;
- __be32 ready_to_enqueue_time;
- __be32 waiting_to_ready_time;
- __be64 timebase;
- __be64 fault_addr;
- __be64 srr0;
- __be64 srr1;
- };
- #define DISPATCH_LOG_BYTES 4096 /* bytes per cpu */
- #define N_DISPATCH_LOG (DISPATCH_LOG_BYTES / sizeof(struct dtl_entry))
- /*
- * Dispatch trace log event enable mask:
- * 0x1: voluntary virtual processor waits
- * 0x2: time-slice preempts
- * 0x4: virtual partition memory page faults
- */
- #define DTL_LOG_CEDE 0x1
- #define DTL_LOG_PREEMPT 0x2
- #define DTL_LOG_FAULT 0x4
- #define DTL_LOG_ALL (DTL_LOG_CEDE | DTL_LOG_PREEMPT | DTL_LOG_FAULT)
- extern struct kmem_cache *dtl_cache;
- extern rwlock_t dtl_access_lock;
- extern void register_dtl_buffer(int cpu);
- extern void alloc_dtl_buffers(unsigned long *time_limit);
- extern long hcall_vphn(unsigned long cpu, u64 flags, __be32 *associativity);
- #endif /* _ASM_POWERPC_DTL_H */
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