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https://github.com/projectacrn/acrn-hypervisor.git
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ddefcccb26
The current code assume there was one Console vUART all the time, and there is an issue when the Console vUART is None. This patch add the case of "None" and add assert to check no serial console config. Tracked-On: #6690 Signed-off-by: Chenli Wei chenli.wei@intel.com
95 lines
3.8 KiB
Python
95 lines
3.8 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2022 Intel Corporation.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import sys
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import common, lib.error
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standard_uart_port = ['0x3E8', '0x2E8']
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# The COM1 was used for console vUART, so we alloc io_port frome COM2~COM4
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service_port_list = list(range(0x9000, 0x9100, 8))
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def create_s5_vuart_connection(allocation_etree, service_vm_name, service_vm_port, user_vm_name, user_vm_port):
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vuart_connections_node = common.get_node(f"/acrn-config/hv/vuart_connections", allocation_etree)
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if vuart_connections_node is None:
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vuart_connections_node = common.append_node("/acrn-config/hv/vuart_connections", None, allocation_etree)
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connection_name = service_vm_name + "_" + user_vm_name
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vuart_connection_node = common.append_node(f"./vuart_connection", None, vuart_connections_node)
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common.append_node(f"./name", connection_name, vuart_connection_node)
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common.append_node(f"./type", "legacy", vuart_connection_node)
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service_vm_endpoint = common.append_node(f"./endpoint", None, vuart_connection_node)
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common.append_node(f"./vm_name", service_vm_name, service_vm_endpoint)
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common.append_node(f"./io_port", service_vm_port, service_vm_endpoint)
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user_vm_endpoint = common.append_node(f"./endpoint", None, vuart_connection_node)
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common.append_node(f"./vm_name", user_vm_name, user_vm_endpoint)
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common.append_node(f"./io_port", user_vm_port, user_vm_endpoint)
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def get_console_vuart_port(scenario_etree, vm_name):
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port = common.get_node(f"//vm[name = '{vm_name}']/console_vuart/text()", scenario_etree)
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if port == "COM Port 1":
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port = "0x3F8U"
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elif port == "COM Port 2":
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port = "0x2F8U"
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elif port == "COM Port 3":
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port = "0x3E8U"
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elif port == "COM Port 4":
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port = "0x2E8U"
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else:
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port = "0x0U"
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return port
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def alloc_free_port(scenario_etree, load_order, vm_name):
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port_list = scenario_etree.xpath(f"//endpoint[vm_name = '{vm_name}']/io_port/text()")
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console_port = get_console_vuart_port(scenario_etree, vm_name)
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if console_port is not None:
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port_list.append(console_port.replace("U", ""))
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if load_order == "SERVICE_VM":
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tmp_list = []
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for port in port_list:
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tmp_list.append(int(port, 16))
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global service_port_list
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service_port_list = list(set(service_port_list) - set(tmp_list))
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service_port_list.sort()
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port = hex(service_port_list[0])
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service_port_list.remove(service_port_list[0])
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return str(port).upper()
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else:
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tmp_list = list(set(standard_uart_port) - set(port_list))
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try:
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port = tmp_list[0]
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return port
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except IndexError as e:
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raise lib.error.ResourceError("Cannot allocate legacy io port: {}, {}".format(e, port_list)) from e
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def alloc_vuart_connection_info(board_etree, scenario_etree, allocation_etree):
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user_vm_list = scenario_etree.xpath(f"//vm[load_order != 'SERVICE_VM']")
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service_vm_id = common.get_node(f"//vm[load_order = 'SERVICE_VM']/@id", scenario_etree)
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service_vm_name = common.get_node(f"//vm[load_order = 'SERVICE_VM']/name/text()", scenario_etree)
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if (service_vm_id is None) or (service_vm_name is None):
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return
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for index,vm_node in enumerate(user_vm_list):
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vm_id = common.get_node("./@id", vm_node)
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load_order = common.get_node("./load_order/text()", vm_node)
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user_vm_name = common.get_node(f"./name/text()", vm_node)
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service_vm_port = alloc_free_port(scenario_etree, "SERVICE_VM", user_vm_name)
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user_vm_port = alloc_free_port(scenario_etree, load_order, user_vm_name)
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create_s5_vuart_connection(allocation_etree, service_vm_name, service_vm_port, user_vm_name, user_vm_port)
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def fn(board_etree, scenario_etree, allocation_etree):
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alloc_vuart_connection_info(board_etree, scenario_etree, allocation_etree)
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