add pmu attribute groups and structures for perf events.
add sysfs to track available df perfmon counters
fix overflow handling in perfmon counter reads.
v2: squash in fix (Alex)
Signed-off-by: Jonathan Kim <Jonathan.Kim@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
v6: Squash in warning fix (Colin Ian King)
v5: Fix warnings (Alex)
v4: fixed mixed delaration and code warnings and minor errors
v3: exposing df funcs in amdgpu_df_funcs in amdgpu.h
v2: moving permonctl/perfmonctr from default to offset
- adding df perfmonctl and perfmonctr registers for df counters
- adding df funcs to set perfmonctl and get perfmonctr for
df and xgmi counters
- exposing df funcs in amdgpu_df_funcs
Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
New df helpers for 3.6.
v2: switch to using df 3.6 headers (Alex)
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
