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selftests/powerpc/pmu: Add macro to extract mmcr3 and mmcra fields

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Add macro and utility functions to fetch individual fields from Monitor
Mode Control Register 3(MMCR3)and Monitor Mode Control Register A(MMCRA)
PMU registers

Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220127072012.662451-9-kjain@linux.ibm.com
This commit is contained in:
Kajol Jain 2022-01-27 12:50:00 +05:30 committed by Michael Ellerman
parent 2b49e64106
commit 13307f9584
1 changed files with 62 additions and 0 deletions
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62
tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
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@ -15,6 +15,7 @@
#define MMCR0_FC56 0x00000010UL /* freeze counters 5 and 6 */
#define MMCR0_PMCCEXT 0x00000200UL /* PMCCEXT control */
#define MMCR1_RSQ 0x200000000000ULL /* radix scope qual field */
#define BHRB_DISABLE 0x2000000000ULL /* MMCRA BHRB DISABLE bit */
extern int ev_mask_pmcxsel, ev_shift_pmcxsel;
extern int ev_mask_marked, ev_shift_marked;
@ -163,3 +164,64 @@ static inline int get_mmcr2_l2l3(u64 mmcr2, int pmc)
return ((mmcr2 & 0xf8) >> 3);
return 0;
}
static inline int get_mmcr3_src(u64 mmcr3, int pmc)
{
if (pvr != POWER10)
return 0;
return ((mmcr3 >> ((49 - (15 * ((pmc) - 1))))) & 0x7fff);
}
static inline int get_mmcra_thd_cmp(u64 mmcra, int pmc)
{
if (pvr == POWER10)
return ((mmcra >> 45) & 0x7ff);
return ((mmcra >> 45) & 0x3ff);
}
static inline int get_mmcra_sm(u64 mmcra, int pmc)
{
return ((mmcra >> 42) & 0x3);
}
static inline int get_mmcra_bhrb_disable(u64 mmcra, int pmc)
{
if (pvr == POWER10)
return mmcra & BHRB_DISABLE;
return 0;
}
static inline int get_mmcra_ifm(u64 mmcra, int pmc)
{
return ((mmcra >> 30) & 0x3);
}
static inline int get_mmcra_thd_sel(u64 mmcra, int pmc)
{
return ((mmcra >> 16) & 0x7);
}
static inline int get_mmcra_thd_start(u64 mmcra, int pmc)
{
return ((mmcra >> 12) & 0xf);
}
static inline int get_mmcra_thd_stop(u64 mmcra, int pmc)
{
return ((mmcra >> 8) & 0xf);
}
static inline int get_mmcra_rand_samp_elig(u64 mmcra, int pmc)
{
return ((mmcra >> 4) & 0x7);
}
static inline int get_mmcra_sample_mode(u64 mmcra, int pmc)
{
return ((mmcra >> 1) & 0x3);
}
static inline int get_mmcra_marked(u64 mmcra, int pmc)
{
return mmcra & 0x1;
}