mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 05:56:38 +07:00
e08e52824e
Define a lite version of the EVENT_DEFINE_RANGE_FORMAT() that avoids defining helper functions for the bit-field ranges. Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
#ifndef LINUX_POWERPC_PERF_HV_COMMON_H_
|
|
#define LINUX_POWERPC_PERF_HV_COMMON_H_
|
|
|
|
#include <linux/perf_event.h>
|
|
#include <linux/types.h>
|
|
|
|
struct hv_perf_caps {
|
|
u16 version;
|
|
u16 collect_privileged:1,
|
|
ga:1,
|
|
expanded:1,
|
|
lab:1,
|
|
unused:12;
|
|
};
|
|
|
|
unsigned long hv_perf_caps_get(struct hv_perf_caps *caps);
|
|
|
|
|
|
#define EVENT_DEFINE_RANGE_FORMAT(name, attr_var, bit_start, bit_end) \
|
|
PMU_FORMAT_ATTR(name, #attr_var ":" #bit_start "-" #bit_end); \
|
|
EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end)
|
|
|
|
/*
|
|
* The EVENT_DEFINE_RANGE_FORMAT() macro above includes helper functions
|
|
* for the fields (eg: event_get_starting_index()). For some fields we
|
|
* need the bit-range definition, but no the helper functions. Define a
|
|
* lite version of the above macro without the helpers and silence
|
|
* compiler warnings unused static functions.
|
|
*/
|
|
#define EVENT_DEFINE_RANGE_FORMAT_LITE(name, attr_var, bit_start, bit_end) \
|
|
PMU_FORMAT_ATTR(name, #attr_var ":" #bit_start "-" #bit_end);
|
|
|
|
#define EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end) \
|
|
static u64 event_get_##name##_max(void) \
|
|
{ \
|
|
BUILD_BUG_ON((bit_start > bit_end) \
|
|
|| (bit_end >= (sizeof(1ull) * 8))); \
|
|
return (((1ull << (bit_end - bit_start)) - 1) << 1) + 1; \
|
|
} \
|
|
static u64 event_get_##name(struct perf_event *event) \
|
|
{ \
|
|
return (event->attr.attr_var >> (bit_start)) & \
|
|
event_get_##name##_max(); \
|
|
}
|
|
|
|
#endif
|