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eba8c23bff
As it doesn't depends on the scenario, there are sos/pre launched VMS in config xmls, emulate vhostbridge for sos vm, specify the pass-thru PCI device for pre launched vm. Add support to parse pci_devs for pre launched vm. Tracked-On: #4641 Signed-off-by: Wei Liu <weix.w.liu@intel.com> Acked-by: Victor Sun <victor.sun@intel.com> Acked-by: Terry Zou <terry.zou@intel.com>
60 lines
2.4 KiB
Python
60 lines
2.4 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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PCI_DEV_TYPE = ['PCI_DEV_TYPE_HVEMUL', 'PCI_DEV_TYPE_PTDEV']
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def generate_file(vm_info, config):
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"""
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Generate pci_dev.c while logical_partition 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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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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print("\t\t.pbdf.bits = {{.b = 0x{:02X}U, .d = 0x{:02X}U, .f = 0x{:02X}U}},".format(bus, dev, fun), file=config)
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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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