Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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#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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