feature: Add more APIs to L0 Sysman python binding

Related-To: NEO-18602

Added following APIs to python binding:

1. zesDevicePciGetProperties
2. zesDevicePciGetStats
3. zesDeviceEccAvailable
4. zesDeviceEccConfigurable
5. zesDeviceGetEccState
6. zesDeviceSetEccState
7. zesPowerGetLimitsExt
8. zesPowerSetLimitsExt
9. zesFrequencyGetAvailableClocks
10. zesFrequencyGetRange
11. zesFrequencySetRange
12. zesFrequencyGetThrottleTime
13. zesDevicePciGetState
14. zesPowerGetProperties
15. zesFrequencyGetProperties

Signed-off-by: Aviral Nigam <aviral.nigam@intel.com>

Author: aviralni

bindings/sysman/python/source/examples/pyzes_black_box_test.py

@@ -59,12 +59,22 @@ def setup_environment():
 setup_environment()
 
 verbose = True
+ZE_RESULT_NAMES = {
+    value: name
+    for name, value in vars(pz).items()
+    if name.startswith("ZE_RESULT_") and isinstance(value, int)
+}
+
+
+def get_result_string(result):
+    """Convert ze_result_t value to enum name."""
+    return ZE_RESULT_NAMES.get(result, f"UNKNOWN_ZE_RESULT_{result}")
 
 
 def check_rc(label, rc):
     """Check return code and exit on error"""
     if rc != pz.ZE_RESULT_SUCCESS:
-        print(f"ERROR: {label} failed with ze_result_t={rc}")
+        print(f"ERROR: {label} failed with {get_result_string(rc)}")
         return False
     return True
 
@@ -321,7 +331,7 @@ def check_rc_allow_action_required(label, rc):
     """Accept ZE_RESULT_SUCCESS and ZE_RESULT_WARNING_ACTION_REQUIRED"""
     if rc in (pz.ZE_RESULT_SUCCESS, pz.ZE_RESULT_WARNING_ACTION_REQUIRED):
         return True
-    print(f"ERROR: {label} failed with ze_result_t={rc}")
+    print(f"ERROR: {label} failed with {get_result_string(rc)}")
     return False
 
 
@@ -531,7 +541,7 @@ def test_global_operation(driver_handle, device_handle, device_index):
             print_verbose(f"  On subdevice: {bool(on_subdevice.value)}")
             print_verbose(f"  Subdevice ID: {subdevice_id.value}")
         else:
-            print_verbose(f"  UUID mapping failed with return code: {ret}")
+            print_verbose(f"  UUID mapping failed with {get_result_string(ret)}")
 
     except Exception:
         print_verbose("  UUID mapping test failed with exception")
@@ -976,11 +986,7 @@ def test_power_module(device_handle, device_index):
 
         limit_descs = None
         limit_count = c_uint32(0)
-        if properties.onSubdevice:
-            print_verbose(
-                "    Skipping power limit APIs for subdevice-scoped power domain"
-            )
-        else:
+        if not properties.onSubdevice:
             rc = pz.zesPowerGetLimitsExt(power_handles[i], byref(limit_count), None)
             if not check_rc(f"zesPowerGetLimitsExt(power {i}, count)", rc):
                 continue
@@ -1331,7 +1337,9 @@ def test_temperature_sensors(device_handle, device_index):
                 else "      Threshold 2: Not set"
             )
         else:
-            print_verbose(f"    Temperature Config: Not available (rc={rc})")
+            print_verbose(
+                f"    Temperature Config: Not available ({get_result_string(rc)})"
+            )
 
     return True
 

bindings/sysman/python/source/pyzes.py

@@ -12,7 +12,6 @@
 import sys
 import threading
 from ctypes import *
-from ctypes.util import find_library
 from typing import Any, Dict
 
 libLoadLock = threading.Lock()
@@ -68,7 +67,7 @@ def _LoadZeLibrary():
         # load the library
         libName = "ze_loader"
         if sys.platform.startswith("linux"):
-            libName = find_library(libName) or "libze_loader.so.1"
+            libName = "/usr/lib/x86_64-linux-gnu/lib" + libName + ".so.1"
         else:
             # Try multiple common locations for Windows Intel GPU drivers
             possible_paths = [