Add support for get and set APIs for CPUISOFreqPolicy and DFCState Co… (#1901)

* Add support for get and set APIs for CPUISOFreqPolicy and DFCState Control

  - Add support for get and set APIs for CPUISOFreqPolicy and DFCState Control
    in AMD SMI and also in the CLI tool

* CHANGELOG.md file updated

* SWDEV-562837: Update amdsmi-py-api.md as per the new APIs

Updated amdsmi-py-api.md as per the new APIs added.

---------

Signed-off-by: Soumya <sranjanr@amd.com>
Signed-off-by: gabrpham <Gabriel.Pham@amd.com>
Co-authored-by: Saka Sitharammurthy <SitharamMurthy.Saka@amd.com>

projects/amdsmi/py-interface/__init__.py

@@ -81,6 +81,10 @@ try:
     from .amdsmi_interface import amdsmi_get_cpu_model
     from .amdsmi_interface import amdsmi_get_cpu_model_name
     from .amdsmi_interface import amdsmi_get_cpu_handles
+    from .amdsmi_interface import amdsmi_get_dfc_ctrl
+    from .amdsmi_interface import amdsmi_set_dfc_ctrl
+    from .amdsmi_interface import amdsmi_get_cpu_rail_isofreq_policy
+    from .amdsmi_interface import amdsmi_set_cpu_rail_isofreq_policy
 except AttributeError:
     pass
 

projects/amdsmi/py-interface/amdsmi_interface.py

@@ -1788,6 +1788,63 @@ def amdsmi_get_hsmp_metrics_table_version(
 
     return metric_tbl_version.value
 
+def amdsmi_set_cpu_rail_isofreq_policy(
+    processor_handle: processor_handle_t,
+    value: int):
+    if not isinstance(processor_handle, amdsmi_wrapper.amdsmi_processor_handle):
+        raise AmdSmiParameterException(
+            processor_handle, amdsmi_wrapper.amdsmi_processor_handle
+        )
+
+    _check_res(
+        amdsmi_wrapper.amdsmi_set_cpu_rail_isofreq_policy(processor_handle, value)
+    )
+
+def amdsmi_get_cpu_rail_isofreq_policy(
+    processor_handle: processor_handle_t,
+) -> int:
+    if not isinstance(processor_handle, amdsmi_wrapper.amdsmi_processor_handle):
+        raise AmdSmiParameterException(
+            processor_handle, amdsmi_wrapper.amdsmi_processor_handle
+        )
+
+    cpurailiso = ctypes.c_uint8()
+    _check_res(
+        amdsmi_wrapper.amdsmi_get_cpu_rail_isofreq_policy(
+            processor_handle, ctypes.byref(cpurailiso)
+        )
+    )
+
+    return cpurailiso.value
+
+def amdsmi_get_dfc_ctrl(
+    processor_handle: processor_handle_t,
+) -> int:
+    if not isinstance(processor_handle, amdsmi_wrapper.amdsmi_processor_handle):
+        raise AmdSmiParameterException(
+            processor_handle, amdsmi_wrapper.amdsmi_processor_handle
+        )
+
+    dfc_ctrl = ctypes.c_uint8()
+    _check_res(
+        amdsmi_wrapper.amdsmi_get_dfc_ctrl(
+            processor_handle, ctypes.byref(dfc_ctrl)
+        )
+    )
+
+    return dfc_ctrl.value
+
+def amdsmi_set_dfc_ctrl(
+    processor_handle: processor_handle_t,
+    value: int):
+    if not isinstance(processor_handle, amdsmi_wrapper.amdsmi_processor_handle):
+        raise AmdSmiParameterException(
+            processor_handle, amdsmi_wrapper.amdsmi_processor_handle
+        )
+
+    _check_res(
+        amdsmi_wrapper.amdsmi_set_dfc_ctrl(processor_handle, value)
+    )
 
 # Get 2's complement of 32 bit unsigned integer
 def check_msb_32(num):

projects/amdsmi/py-interface/amdsmi_wrapper.py

@@ -3248,6 +3248,18 @@ amdsmi_get_cpu_cores_per_socket.argtypes = [uint32_t, ctypes.POINTER(struct_amds
 amdsmi_get_cpu_socket_count = _libraries['libamd_smi.so'].amdsmi_get_cpu_socket_count
 amdsmi_get_cpu_socket_count.restype = amdsmi_status_t
 amdsmi_get_cpu_socket_count.argtypes = [ctypes.POINTER(ctypes.c_uint32)]
+amdsmi_set_cpu_rail_isofreq_policy = _libraries['libamd_smi.so'].amdsmi_set_cpu_rail_isofreq_policy
+amdsmi_set_cpu_rail_isofreq_policy.restype = amdsmi_status_t
+amdsmi_set_cpu_rail_isofreq_policy.argtypes = [amdsmi_processor_handle, uint8_t]
+amdsmi_get_cpu_rail_isofreq_policy = _libraries['libamd_smi.so'].amdsmi_get_cpu_rail_isofreq_policy
+amdsmi_get_cpu_rail_isofreq_policy.restype = amdsmi_status_t
+amdsmi_get_cpu_rail_isofreq_policy.argtypes = [amdsmi_processor_handle, ctypes.POINTER(ctypes.c_uint8)]
+amdsmi_set_dfc_ctrl = _libraries['libamd_smi.so'].amdsmi_set_dfc_ctrl
+amdsmi_set_dfc_ctrl.restype = amdsmi_status_t
+amdsmi_set_dfc_ctrl.argtypes = [amdsmi_processor_handle, ctypes.c_bool]
+amdsmi_get_dfc_ctrl = _libraries['libamd_smi.so'].amdsmi_get_dfc_ctrl
+amdsmi_get_dfc_ctrl.restype = amdsmi_status_t
+amdsmi_get_dfc_ctrl.argtypes = [amdsmi_processor_handle, ctypes.POINTER(ctypes.c_uint8)]
 __all__ = \
     ['AGG_BW0', 'AMDSMI_ACCELERATOR_DECODER',
     'AMDSMI_ACCELERATOR_DMA', 'AMDSMI_ACCELERATOR_ENCODER',
@@ -3585,8 +3597,9 @@ __all__ = \
     'amdsmi_get_cpu_socket_power', 'amdsmi_get_cpu_socket_power_cap',
     'amdsmi_get_cpu_socket_power_cap_max',
     'amdsmi_get_cpu_socket_temperature', 'amdsmi_get_cpucore_handles',
-    'amdsmi_get_cpusocket_handles', 'amdsmi_get_energy_count',
-    'amdsmi_get_esmi_err_msg', 'amdsmi_get_fw_info',
+    'amdsmi_get_energy_count', 'amdsmi_get_esmi_err_msg',
+    'amdsmi_get_fw_info', 'amdsmi_get_dfc_ctrl', 'amdsmi_set_dfc_ctrl',
+    'amdsmi_get_cpu_rail_isofreq_policy', 'amdsmi_set_cpu_rail_isofreq_policy',
     'amdsmi_get_gpu_accelerator_partition_profile',
     'amdsmi_get_gpu_accelerator_partition_profile_config',
     'amdsmi_get_gpu_activity', 'amdsmi_get_gpu_asic_info',