Refactor ESMI Initialization and Argument Parsing

Signed-off-by: Maisam Arif <maisarif@amd.com>
Change-Id: Iefab3a8110e0d3c525ee0cef1bdef9101550e9de

py-interface/README.md

@@ -73,7 +73,7 @@ except AmdSmiException as e:
 
 ### amdsmi_init
 
-Description: Initialize amdsmi lib and connect to driver
+Description: Dynamically initialize amdsmi with amd_hsmp and amdgpu drivers
 
 Input parameters: `None`
 
@@ -87,7 +87,12 @@ Example:
 
 ```python
 try:
-    amdsmi_init()
+    init_flag = amdsmi_init()
+    # Print out integer bitmask of initialized drivers
+    # 1 is for amd_hsmp
+    # 2 is for amdgpu
+    # 3 is for amd_hsmp and amdgpu
+    print(init_flag)
     # continue with amdsmi
 except AmdSmiException as e:
     print("Init failed")

py-interface/amdsmi_wrapper.py

@@ -196,14 +196,14 @@ _libraries['FIXME_STUB'] = FunctionFactoryStub() #  ctypes.CDLL('FIXME_STUB')
 
 # values for enumeration 'amdsmi_init_flags_t'
 amdsmi_init_flags_t__enumvalues = {
-    0: 'AMDSMI_INIT_ALL_PROCESSORS',
+    4294967295: 'AMDSMI_INIT_ALL_PROCESSORS',
     1: 'AMDSMI_INIT_AMD_CPUS',
     2: 'AMDSMI_INIT_AMD_GPUS',
     4: 'AMDSMI_INIT_NON_AMD_CPUS',
     8: 'AMDSMI_INIT_NON_AMD_GPUS',
     3: 'AMDSMI_INIT_AMD_APUS',
 }
-AMDSMI_INIT_ALL_PROCESSORS = 0
+AMDSMI_INIT_ALL_PROCESSORS = 4294967295
 AMDSMI_INIT_AMD_CPUS = 1
 AMDSMI_INIT_AMD_GPUS = 2
 AMDSMI_INIT_NON_AMD_CPUS = 4