acrn-config: add cpu_affinity for SOS VM

Add cpu_affinity setup for SOS VM. Cpu affinity must be set in
scenario XML, except if no pre-launched VM on the scenario and
all pCPUs will be assigned to SOS VM in that case;

Tracked-On: #5077
Signed-off-by: Wei Liu <weix.w.liu@intel.com>

misc/acrn-config/library/scenario_cfg_lib.py

@@ -240,6 +240,7 @@ def vm_cpu_affinity_check(config_file, id_cpus_per_vm_dic, item):
             else:
                 use_cpus.append(cpu)
 
+    sos_vm_cpus = []
     pre_launch_cpus = []
     post_launch_cpus = []
     for vm_i, vm_type in common.VM_TYPES.items():
@@ -251,6 +252,9 @@ def vm_cpu_affinity_check(config_file, id_cpus_per_vm_dic, item):
         elif VM_DB[vm_type]['load_type'] == "POST_LAUNCHED_VM":
             cpus = [x for x in id_cpus_per_vm_dic[vm_i] if not None]
             post_launch_cpus.extend(cpus)
+        elif VM_DB[vm_type]['load_type'] == "SOS_VM":
+            cpus = [x for x in id_cpus_per_vm_dic[vm_i] if not None]
+            sos_vm_cpus.extend(cpus)
 
         # duplicate cpus assign the same VM check
         cpus_vm_i = id_cpus_per_vm_dic[vm_i]
@@ -261,6 +265,10 @@ def vm_cpu_affinity_check(config_file, id_cpus_per_vm_dic, item):
                 return err_dic
 
     if pre_launch_cpus:
+        if "SOS_VM" in common.VM_TYPES and not sos_vm_cpus:
+            key = "SOS VM cpu_affinity"
+            err_dic[key] = "Should assign CPU id for SOS VM"
+
         for pcpu in pre_launch_cpus:
             if pre_launch_cpus.count(pcpu) >= 2:
                 key = "Pre launched VM cpu_affinity"
@@ -475,6 +483,10 @@ def cpus_assignment(cpus_per_vm, index):
     :return: cpu assignment string
     """
     vm_cpu_bmp = {}
+    if "SOS_VM" == common.VM_TYPES[index]:
+        if index not in cpus_per_vm:
+            sos_extend_all_cpus = board_cfg_lib.get_processor_info()
+            cpus_per_vm[index] = sos_extend_all_cpus
 
     for i in range(len(cpus_per_vm[index])):
         if i == 0:

misc/acrn-config/scenario_config/vm_configurations_c.py

@@ -193,11 +193,11 @@ def cpu_affinity_output(vm_info, i, config):
     :param i: the index of vm id
     :param config: file pointor to store the information
     """
-    if "SOS_VM" == scenario_cfg_lib.VM_DB[vm_info.load_vm[i]]['load_type']:
-        return
 
-    cpu_bits = vm_info.get_cpu_bitmap(i)
-    print("\t\t.cpu_affinity = VM{}_CONFIG_CPU_AFFINITY,".format(i), file=config)
+    if "SOS_VM" == common.VM_TYPES[i]:
+        print("\t\t.cpu_affinity = SOS_VM_CONFIG_CPU_AFFINITY,", file=config)
+    else:
+        print("\t\t.cpu_affinity = VM{}_CONFIG_CPU_AFFINITY,".format(i), file=config)
 
 
 def clos_output(scenario_items, i, config):

misc/acrn-config/scenario_config/vm_configurations_h.py

@@ -30,12 +30,15 @@ def cpu_affinity_output(vm_info, i, config):
     :param i: the index of vm id
     :param config: file pointor to store the information
     """
-    if "SOS_VM" == scenario_cfg_lib.VM_DB[vm_info.load_vm[i]]['load_type']:
-        return
 
     cpu_bits = vm_info.get_cpu_bitmap(i)
-    print("#define VM{0}_CONFIG_CPU_AFFINITY         {1}".format(
-        i, cpu_bits['cpu_map']), file=config)
+    if "SOS_VM" == common.VM_TYPES[i]:
+        print("", file=config)
+        print("#define SOS_VM_CONFIG_CPU_AFFINITY      {0}".format(
+            cpu_bits['cpu_map']), file=config)
+    else:
+        print("#define VM{0}_CONFIG_CPU_AFFINITY         {1}".format(
+            i, cpu_bits['cpu_map']), file=config)
 
 def clos_config_output(scenario_items, i, config):
     """
@@ -120,8 +123,10 @@ def gen_sos_header(scenario_items, config):
     print("\t\t\t\t\tSOS_IDLE\t\\", file=config)
     print("\t\t\t\t\tSOS_BOOTARGS_DIFF", file=config)
 
+    vm_info = scenario_items['vm']
     for vm_i,vm_type in common.VM_TYPES.items():
         if vm_type == 'SOS_VM':
+            cpu_affinity_output(vm_info, vm_i, config)
             clos_config_output(scenario_items, vm_i, config)
     print("", file=config)