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| 2 | 2 | #ifndef LINUX_POWERPC_PERF_HV_GPCI_H_ |
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| 3 | 3 | #define LINUX_POWERPC_PERF_HV_GPCI_H_ |
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| 4 | 4 | |
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| 5 | | -#include <linux/types.h> |
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| 6 | | - |
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| 7 | | -/* From the document "H_GetPerformanceCounterInfo Interface" v1.07 */ |
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| 8 | | - |
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| 9 | | -/* H_GET_PERF_COUNTER_INFO argument */ |
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| 10 | | -struct hv_get_perf_counter_info_params { |
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| 11 | | - __be32 counter_request; /* I */ |
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| 12 | | - __be32 starting_index; /* IO */ |
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| 13 | | - __be16 secondary_index; /* IO */ |
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| 14 | | - __be16 returned_values; /* O */ |
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| 15 | | - __be32 detail_rc; /* O, only needed when called via *_norets() */ |
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| 16 | | - |
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| 17 | | - /* |
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| 18 | | - * O, size each of counter_value element in bytes, only set for version |
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| 19 | | - * >= 0x3 |
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| 20 | | - */ |
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| 21 | | - __be16 cv_element_size; |
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| 22 | | - |
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| 23 | | - /* I, 0 (zero) for versions < 0x3 */ |
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| 24 | | - __u8 counter_info_version_in; |
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| 25 | | - |
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| 26 | | - /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */ |
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| 27 | | - __u8 counter_info_version_out; |
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| 28 | | - __u8 reserved[0xC]; |
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| 29 | | - __u8 counter_value[]; |
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| 30 | | -} __packed; |
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| 31 | | - |
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| 32 | 5 | /* |
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| 33 | 6 | * counter info version => fw version/reference (spec version) |
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| 34 | 7 | * |
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