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selftests/powerpc/pmu: Add macros to extract mmcr fields 

Along with it, Add macros and utility functions to fetch individual
fields from Monitor Mode Control Register 2(MMCR2) register.

Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220127072012.662451-7-kjain@linux.ibm.com
This commit is contained in:
Madhavan Srinivasan 2022-01-27 12:49:58 +05:30 committed by Michael Ellerman
parent 54d4ba7f22
commit 79c4e6aba8
1 changed files with 52 additions and 0 deletions
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52
tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
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@ -47,3 +47,55 @@ void *__event_read_samples(void *sample_buff, size_t *size, u64 *sample_count);
int collect_samples(void *sample_buff);
u64 *get_intr_regs(struct event *event, void *sample_buff);
u64 get_reg_value(u64 *intr_regs, char *register_name);
static inline int get_mmcr2_fcs(u64 mmcr2, int pmc)
{
return ((mmcr2 & (1ull << (63 - (((pmc) - 1) * 9)))) >> (63 - (((pmc) - 1) * 9)));
}
static inline int get_mmcr2_fcp(u64 mmcr2, int pmc)
{
return ((mmcr2 & (1ull << (62 - (((pmc) - 1) * 9)))) >> (62 - (((pmc) - 1) * 9)));
}
static inline int get_mmcr2_fcpc(u64 mmcr2, int pmc)
{
return ((mmcr2 & (1ull << (61 - (((pmc) - 1) * 9)))) >> (61 - (((pmc) - 1) * 9)));
}
static inline int get_mmcr2_fcm1(u64 mmcr2, int pmc)
{
return ((mmcr2 & (1ull << (60 - (((pmc) - 1) * 9)))) >> (60 - (((pmc) - 1) * 9)));
}
static inline int get_mmcr2_fcm0(u64 mmcr2, int pmc)
{
return ((mmcr2 & (1ull << (59 - (((pmc) - 1) * 9)))) >> (59 - (((pmc) - 1) * 9)));
}
static inline int get_mmcr2_fcwait(u64 mmcr2, int pmc)
{
return ((mmcr2 & (1ull << (58 - (((pmc) - 1) * 9)))) >> (58 - (((pmc) - 1) * 9)));
}
static inline int get_mmcr2_fch(u64 mmcr2, int pmc)
{
return ((mmcr2 & (1ull << (57 - (((pmc) - 1) * 9)))) >> (57 - (((pmc) - 1) * 9)));
}
static inline int get_mmcr2_fcti(u64 mmcr2, int pmc)
{
return ((mmcr2 & (1ull << (56 - (((pmc) - 1) * 9)))) >> (56 - (((pmc) - 1) * 9)));
}
static inline int get_mmcr2_fcta(u64 mmcr2, int pmc)
{
return ((mmcr2 & (1ull << (55 - (((pmc) - 1) * 9)))) >> (55 - (((pmc) - 1) * 9)));
}
static inline int get_mmcr2_l2l3(u64 mmcr2, int pmc)
{
if (pvr == POWER10)
return ((mmcr2 & 0xf8) >> 3);
return 0;
}