acrn-config: generate SOS ivshmem device information

Support enable ivshmem for SOS. Insert the ivshmem device information if
it is enabled.
1. get ivshmem vbar based:
  - vbar[0] is size 0x100
  - vbar[2] is specified MB size
2. get vbdf for ivshmem device

Tracked-On: #5426
Signed-off-by: Yang,Yu-chu <yu-chu,yang>

misc/acrn-config/board_config/vbar_base_h.py

@@ -301,6 +301,35 @@ def generate_file(config):
                             mmiolist_per_vm[vm_id].append(MmioWindow(start = bar_2, end = bar_2 + int_size - 1))
                             mmiolist_per_vm[vm_id].sort()
                     print("", file=config)
+            elif scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "SOS_VM":
+                ivshmem_region = common.get_hv_item_tag(common.SCENARIO_INFO_FILE,
+                        "FEATURES", "IVSHMEM", "IVSHMEM_REGION")
+                shmem_regions = scenario_cfg_lib.get_shmem_regions(ivshmem_region)
+                if vm_id not in shmem_regions.keys():
+                    continue
+                idx = 0
+                for shm in ivshmem_region:
+                    if shm is None or shm.strip() == '':
+                        continue
+                    shm_splited = shm.split(',')
+                    name = shm_splited[0].strip()
+                    size = shm_splited[1].strip()
+                    try:
+                        int_size = int(size) * 0x100000
+                    except:
+                        int_size = 0
+                    # vbar[0] for shared memory is 0x200100
+                    free_bar = get_free_mmio(matching_mmios, mmiolist_per_vm[vm_id], 0x200100)
+                    mmiolist_per_vm[vm_id].append(free_bar)
+                    mmiolist_per_vm[vm_id].sort()
+                    print("#define SOS_IVSHMEM_DEVICE_%-19s" % (str(idx) + "_VBAR"),
+                         "       .vbar_base[0] = {:#x}UL, \\".format(free_bar.start), file=config)
+                    free_bar = get_free_mmio(matching_mmios, mmiolist_per_vm[vm_id], int_size + 0x200000)
+                    mmiolist_per_vm[vm_id].append(free_bar)
+                    mmiolist_per_vm[vm_id].sort()
+                    print("{}.vbar_base[2] = {:#x}UL".format(' ' * 54, free_bar.start), file=config)
+                    print("", file=config)
+                    idx += 1
 
     compared_bdf = []
     for cnt_sub_name in board_cfg_lib.SUB_NAME_COUNT.keys():

misc/acrn-config/library/scenario_cfg_lib.py

@@ -95,7 +95,6 @@ def get_pci_num(pci_devs):
 
     return pci_devs_num
 
-
 def get_shmem_regions(raw_shmem_regions):
     shmem_regions = {'err': []}
     for raw_shmem_region in raw_shmem_regions:
@@ -163,7 +162,10 @@ def get_pci_dev_num_per_vm():
                 pci_dev_num[vm_i] -= 1
             pci_dev_num_per_vm[vm_i] = pci_dev_num[vm_i] + shmem_num_i
         elif "SOS_VM" == VM_DB[vm_type]['load_type']:
-            continue
+            shmem_num_i = 0
+            if shmem_enabled == 'y' and vm_i in shmem_num.keys():
+                shmem_num_i = shmem_num[vm_i]
+            pci_dev_num_per_vm[vm_i] = shmem_num_i
 
     return pci_dev_num_per_vm
 
@@ -793,9 +795,8 @@ def share_mem_check(shmem_regions, raw_shmem_regions, vm_type_info, prime_item,
                 ERR_LIST[key] = "The communication VM IDs of the share memory should not be duplicated."
                 return
             for target_vm_id in int_vmid_list:
-                if curr_vm_id not in vm_type_info.keys() or target_vm_id not in vm_type_info.keys() \
+                if curr_vm_id not in vm_type_info.keys() or target_vm_id not in vm_type_info.keys():
-                        or vm_type_info[curr_vm_id] in ['SOS_VM'] or vm_type_info[target_vm_id] in ['SOS_VM']:
+                    ERR_LIST[key] = "Shared Memory can be only configured for existed VMs."
-                    ERR_LIST[key] = "Shared Memory can be only configured for existed Pre-launched VMs and Post-launched VMs."
                     return
 
             if name =='' or size == '':

misc/acrn-config/scenario_config/pci_dev_c.py

@@ -199,16 +199,23 @@ def generate_file(vm_info, config):
                 print("\t{", file=config)
                 print("\t\t.emu_type = {},".format(PCI_DEV_TYPE[0]), file=config)
                 if vm_i in vm_info.cfg_pci.pci_devs.keys():
-                    print("\t\t.vbdf.bits = {{.b = 0x00U, .d = 0x{0:02d}U, .f = 0x00U}},".format(pci_cnt), file=config)
+                    if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "SOS_VM":
-                    print("\t\t.vdev_ops = &vpci_ivshmem_ops,", file=config)
+                        free_bdf = find_unused_bdf(sos_used_bdf, "ivshmem")
-                    bdf_tuple = BusDevFunc(0,pci_cnt,0)
+                        print("\t\t.vbdf.bits = {{.b = 0x00U, .d = 0x{:02d}U, .f = 0x{:02d}U}}," \
-                    vm_used_bdf.append(bdf_tuple)
+                             .format(free_bdf.dev,free_bdf.func), file=config)
+                        print("\t\t.vdev_ops = &vpci_ivshmem_ops,", file=config)
+                        sos_used_bdf.append(free_bdf)
+                    else:
+                        print("\t\t.vbdf.bits = {{.b = 0x00U, .d = 0x{0:02d}U, .f = 0x00U}},".format(pci_cnt), file=config)
+                        print("\t\t.vdev_ops = &vpci_ivshmem_ops,", file=config)
+                        bdf_tuple = BusDevFunc(0,pci_cnt,0)
+                        vm_used_bdf.append(bdf_tuple)
                 elif vm_i not in vm_info.cfg_pci.pci_devs.keys():
                     if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "PRE_LAUNCHED_VM":
                         print("\t\t.vbdf.bits = {{.b = 0x00U, .d = 0x{0:02d}U, .f = 0x00U}},".format(pci_cnt), file=config)
                         bdf_tuple = BusDevFunc(0,pci_cnt,0)
                         vm_used_bdf.append(bdf_tuple)
-                    else:
+                    elif scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "POST_LAUNCHED_VM":
                         print("\t\t.vbdf.value = UNASSIGNED_VBDF,", file=config)
                     print("\t\t.vdev_ops = &vpci_ivshmem_ops,", file=config)
                 for shm_name, bar_attr in board_cfg_lib.PCI_DEV_BAR_DESC.shm_bar_dic.items():
@@ -219,6 +226,10 @@ def generate_file(vm_info, config):
                             print("\t\t.shm_region_name = IVSHMEM_SHM_REGION_{},".format(index), file=config)
                             print("\t\tIVSHMEM_DEVICE_{}_VBAR".format(index), file=config)
                             break
+                        elif scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "SOS_VM":
+                            print("\t\t.shm_region_name = IVSHMEM_SHM_REGION_{},".format(index), file=config)
+                            print("\t\tSOS_IVSHMEM_DEVICE_{}_VBAR".format(index), file=config)
+                            break
                         else:
                             print("\t\t.shm_region_name = IVSHMEM_SHM_REGION_{}".format(index), file=config)
                             break