104 lines
4.1 KiB
Python
104 lines
4.1 KiB
Python
# Copyright (C) 2020 Intel Corporation. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import common
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import board_cfg_lib
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import scenario_cfg_lib
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VBAR_INFO_DEFINE="""#ifndef VBAR_BASE_H_
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#define VBAR_BASE_H_
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"""
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VBAR_INFO_ENDIF="""#endif /* VBAR_BASE_H_ */"""
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def write_vbar(i_cnt, bdf, pci_bar_dic, bar_attr, config):
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"""
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Parser and generate vbar
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:param i_cnt: the number of pci devices have the same PCI sub class name
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:param bdf: it is a string what contains BDF
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:param pci_bar_dic: it is a dictionary of pci vbar for those BDF
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:param bar_attr: it is a class, contains PIC bar attribute
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:param config: it is a file pointer of pci information for writing to
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"""
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align = ' ' * 54
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ptdev_mmio_str = ''
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tmp_sub_name = board_cfg_lib.get_sub_pci_name(i_cnt, bar_attr)
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if bdf in pci_bar_dic.keys():
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bar_list = list(pci_bar_dic[bdf].keys())
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bar_len = len(bar_list)
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bar_num = 0
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for bar_i in bar_list:
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if not bar_attr.remappable:
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print("/* TODO: add {} 64bit BAR support */".format(tmp_sub_name), file=config)
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bar_num += 1
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bar_val = pci_bar_dic[bdf][bar_i].addr
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if pci_bar_dic[bdf][bar_i].remapped:
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ptdev_mmio_str = 'PTDEV_HI_MMIO_START + '
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if bar_num == bar_len:
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if bar_len == 1:
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print("#define %-38s" % (tmp_sub_name+"_VBAR"), " .vbar_base[{}] = {}{}UL".format(bar_i, ptdev_mmio_str, bar_val), file=config)
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else:
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print("{}.vbar_base[{}] = {}{}UL".format(align, bar_i, ptdev_mmio_str, bar_val), file=config)
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elif bar_num == 1:
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print("#define %-38s" % (tmp_sub_name+"_VBAR"), " .vbar_base[{}] = {}{}UL, \\".format(bar_i, ptdev_mmio_str, bar_val), file=config)
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else:
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print("{}.vbar_base[{}] = {}{}UL, \\".format(align, bar_i, ptdev_mmio_str, bar_val), file=config)
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print("", file=config)
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def generate_file(config):
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# start to generate board_info.h
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print("{0}".format(board_cfg_lib.HEADER_LICENSE), file=config)
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print(VBAR_INFO_DEFINE, file=config)
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common.get_vm_types()
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pre_vm = False
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for vm_type in common.VM_TYPES.values():
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if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "PRE_LAUNCHED_VM":
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pre_vm = True
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if not pre_vm:
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print(VBAR_INFO_ENDIF, file=config)
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return
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compared_bdf = []
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for cnt_sub_name in board_cfg_lib.SUB_NAME_COUNT.keys():
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i_cnt = 0
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for bdf, bar_attr in board_cfg_lib.PCI_DEV_BAR_DESC.pci_dev_dic.items():
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if cnt_sub_name == bar_attr.name and bdf not in compared_bdf:
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compared_bdf.append(bdf)
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else:
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continue
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write_vbar(i_cnt, bdf, board_cfg_lib.PCI_DEV_BAR_DESC.pci_bar_dic, bar_attr, config)
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i_cnt += 1
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ivshmem_enabled = common.get_hv_item_tag(common.SCENARIO_INFO_FILE, "FEATURES", "IVSHMEM", "IVSHMEM_ENABLED")
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if ivshmem_enabled == 'y':
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board_cfg_lib.parse_mem()
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for shm_name, bar_attr_dic in board_cfg_lib.PCI_DEV_BAR_DESC.shm_bar_dic.items():
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index = shm_name[:shm_name.find('_')]
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i_cnt = 0
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for bar_i, bar_attr in bar_attr_dic.items():
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i_cnt += 1
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if bar_i == 0:
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if len(bar_attr_dic.keys()) == 1:
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print("#define IVSHMEM_DEVICE_%-23s" % (str(index) + "_VBAR"),
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" .vbar_base[{}] = {}UL".format(bar_i, bar_attr.addr), file=config)
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else:
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print("#define IVSHMEM_DEVICE_%-23s" % (str(index) + "_VBAR"),
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" .vbar_base[{}] = {}UL, \\".format(bar_i, bar_attr.addr), file=config)
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elif i_cnt == len(bar_attr_dic.keys()):
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print("{}.vbar_base[{}] = {}UL".format(' ' * 54, bar_i, bar_attr.addr), file=config)
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else:
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print("{}.vbar_base[{}] = {}UL, \\".format(' ' * 54, bar_i, bar_attr.addr), file=config)
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print("", file=config)
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print(VBAR_INFO_ENDIF, file=config)
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