48 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #ifndef LINUX_POWERPC_PERF_HV_COMMON_H_
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| #define LINUX_POWERPC_PERF_HV_COMMON_H_
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| 
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| #include <linux/perf_event.h>
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| #include <linux/types.h>
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| 
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| struct hv_perf_caps {
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| 	u16 version;
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| 	u16 collect_privileged:1,
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| 	    ga:1,
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| 	    expanded:1,
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| 	    lab:1,
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| 	    unused:12;
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| };
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| 
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| unsigned long hv_perf_caps_get(struct hv_perf_caps *caps);
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| 
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| 
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| #define EVENT_DEFINE_RANGE_FORMAT(name, attr_var, bit_start, bit_end)	\
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| PMU_FORMAT_ATTR(name, #attr_var ":" #bit_start "-" #bit_end);		\
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| EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end)
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| 
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| /*
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|  * The EVENT_DEFINE_RANGE_FORMAT() macro above includes helper functions
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|  * for the fields (eg: event_get_starting_index()). For some fields we
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|  * need the bit-range definition, but no the helper functions. Define a
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|  * lite version of the above macro without the helpers and silence
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|  * compiler warnings unused static functions.
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|  */
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| #define EVENT_DEFINE_RANGE_FORMAT_LITE(name, attr_var, bit_start, bit_end) \
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| PMU_FORMAT_ATTR(name, #attr_var ":" #bit_start "-" #bit_end);
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| 
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| #define EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end)	\
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| static u64 event_get_##name##_max(void)					\
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| {									\
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| 	BUILD_BUG_ON((bit_start > bit_end)				\
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| 		    || (bit_end >= (sizeof(1ull) * 8)));		\
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| 	return (((1ull << (bit_end - bit_start)) - 1) << 1) + 1;	\
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| }									\
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| static u64 event_get_##name(struct perf_event *event)			\
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| {									\
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| 	return (event->attr.attr_var >> (bit_start)) &			\
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| 		event_get_##name##_max();				\
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| }
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| 
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| #endif
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