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47 lines
1.4 KiB
47 lines
1.4 KiB
/* 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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#include <linux/perf_event.h> |
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#include <linux/types.h> |
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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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unsigned long hv_perf_caps_get(struct hv_perf_caps *caps); |
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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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* 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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#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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#endif
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