projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| d6bdceb6 PZ |
1 | #ifndef _ASM_POWERPC_DTL_H |
| 2 | #define _ASM_POWERPC_DTL_H | |
| 3 | ||
| 4 | #include <asm/lppaca.h> | |
| 5 | #include <linux/spinlock_types.h> | |
| 6 | ||
| 7 | /* | |
| 8 | * Layout of entries in the hypervisor's dispatch trace log buffer. | |
| 9 | */ | |
| 10 | struct dtl_entry { | |
| 11 | u8 dispatch_reason; | |
| 12 | u8 preempt_reason; | |
| 13 | __be16 processor_id; | |
| 14 | __be32 enqueue_to_dispatch_time; | |
| 15 | __be32 ready_to_enqueue_time; | |
| 16 | __be32 waiting_to_ready_time; | |
| 17 | __be64 timebase; | |
| 18 | __be64 fault_addr; | |
| 19 | __be64 srr0; | |
| 20 | __be64 srr1; | |
| 21 | }; | |
| 22 | ||
| 23 | #define DISPATCH_LOG_BYTES 4096 /* bytes per cpu */ | |
| 24 | #define N_DISPATCH_LOG (DISPATCH_LOG_BYTES / sizeof(struct dtl_entry)) | |
| 25 | ||
| 26 | /* | |
| 27 | * Dispatch trace log event enable mask: | |
| 28 | * 0x1: voluntary virtual processor waits | |
| 29 | * 0x2: time-slice preempts | |
| 30 | * 0x4: virtual partition memory page faults | |
| 31 | */ | |
| 32 | #define DTL_LOG_CEDE 0x1 | |
| 33 | #define DTL_LOG_PREEMPT 0x2 | |
| 34 | #define DTL_LOG_FAULT 0x4 | |
| 35 | #define DTL_LOG_ALL (DTL_LOG_CEDE | DTL_LOG_PREEMPT | DTL_LOG_FAULT) | |
| 36 | ||
| 37 | extern struct kmem_cache *dtl_cache; | |
| 38 | extern rwlock_t dtl_access_lock; | |
| 39 | ||
| d6bdceb6 PZ |
40 | extern void register_dtl_buffer(int cpu); |
| 41 | extern void alloc_dtl_buffers(unsigned long *time_limit); | |
| 42 | extern long hcall_vphn(unsigned long cpu, u64 flags, __be32 *associativity); | |
| 43 | ||
| 44 | #endif /* _ASM_POWERPC_DTL_H */ |