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https://github.com/projectacrn/acrn-hypervisor.git
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bf917ae2cb
Pre-Launched VMs need the vbar_base values pre-populated for pass-thru PCI devices. This patch moves the pci parser logic from board_cfg_gen to library so that scenario_cfg_gen scripts can use pci parser routines while generating pci_dev file logical partition scenario. Tracked-On: #4666 Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
91 lines
3.5 KiB
Python
91 lines
3.5 KiB
Python
# Copyright (C) 2019 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 scenario_cfg_lib
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import board_cfg_lib
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PCI_DEV_TYPE = ['PCI_DEV_TYPE_HVEMUL', 'PCI_DEV_TYPE_PTDEV']
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def add_instance_to_name(i_cnt, bdf, bar_attr):
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if i_cnt == 0 and bar_attr.name.upper() == "HOST BRIDGE":
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tmp_sub_name = "_".join(bar_attr.name.split()).upper()
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else:
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if '-' in bar_attr.name:
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tmp_sub_name = common.undline_name(bar_attr.name) + "_" + str(i_cnt)
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else:
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tmp_sub_name = "_".join(bar_attr.name.split()).upper() + "_" + str(i_cnt)
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board_cfg_lib.PCI_DEV_BAR_DESC.pci_dev_dic[bdf].name_w_i_cnt = tmp_sub_name
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def generate_file(vm_info, config):
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"""
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Generate pci_dev.c for Pre-Launched VMs in a scenario.
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:param config: it is pointer for for file write to
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:return: None
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"""
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sub_name_count = board_cfg_lib.parser_pci()
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compared_bdf = []
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for cnt_sub_name in 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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add_instance_to_name(i_cnt, bdf, bar_attr)
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i_cnt += 1
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print("{}".format(scenario_cfg_lib.HEADER_LICENSE), file=config)
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print("", file=config)
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print("#include <vm_config.h>", file=config)
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print("#include <pci_devices.h>", file=config)
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print("#include <vpci.h>", file=config)
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print("#include <mmu.h>", file=config)
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print("#include <page.h>", file=config)
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print("", file=config)
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print("/* The vbar_base info of pt devices is included in device MACROs which defined in",
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file=config)
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print(" * arch/x86/configs/$(CONFIG_BOARD)/pci_devices.h.", file=config)
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print(" * The memory range of vBAR should exactly match with the e820 layout of VM.",
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file=config)
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print(" */", file=config)
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for vm_i, pci_bdf_devs_list in vm_info.cfg_pci.pci_devs.items():
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pci_cnt = 1
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if not pci_bdf_devs_list:
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continue
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print("", file=config)
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print("struct acrn_vm_pci_dev_config " +
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"vm{}_pci_devs[{}] = {{".format(vm_i, vm_info.cfg_pci.pci_dev_num[vm_i]), file=config)
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print("\t{", file=config)
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print("\t\t.emu_type = {},".format(PCI_DEV_TYPE[0]), file=config)
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print("\t\t.vbdf.bits = {.b = 0x00U, .d = 0x00U, .f = 0x00U},", file=config)
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print("\t\t.vdev_ops = &vhostbridge_ops,", file=config)
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print("\t},", file=config)
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for pci_bdf_dev in pci_bdf_devs_list:
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if not pci_bdf_dev:
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continue
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bus = int(pci_bdf_dev.split(':')[0], 16)
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dev = int(pci_bdf_dev.split(':')[1].split('.')[0], 16)
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fun = int(pci_bdf_dev.split('.')[1], 16)
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print("\t{", file=config)
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print("\t\t.emu_type = {},".format(PCI_DEV_TYPE[1]), file=config)
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print("\t\t.vbdf.bits = {{.b = 0x00U, .d = 0x0{}U, .f = 0x00U}},".format(pci_cnt), file=config)
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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 bdf == pci_bdf_dev:
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print("\t\t{},".format(board_cfg_lib.PCI_DEV_BAR_DESC.pci_dev_dic[bdf].name_w_i_cnt), file=config)
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else:
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continue
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print("\t},", file=config)
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pci_cnt += 1
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print("};", file=config)
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