mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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8b16be9185
Many of the license and Intel copyright headers include the "All rights reserved" string. It is not relevant in the context of the BSD-3-Clause license that the code is released under. This patch removes those strings throughout the code (hypervisor, devicemodel and misc). Tracked-On: #7254 Signed-off-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>
451 lines
20 KiB
Python
451 lines
20 KiB
Python
# Copyright (C) 2020 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 re
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from collections import namedtuple
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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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# Constants for ivshmem
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BAR0_SHEMEM_SIZE = 4*common.SIZE_K
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BAR1_SHEMEM_SIZE = 4*common.SIZE_K
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BAR0_SHEMEM_ALIGNMENT = 4*common.SIZE_K
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BAR1_SHEMEM_ALIGNMENT = 4*common.SIZE_K
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BAR2_SHEMEM_ALIGNMENT = 2*common.SIZE_M
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# Constants for pci vuart
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PCI_VUART_VBAR0_SIZE = 4*common.SIZE_K
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PCI_VUART_VBAR1_SIZE = 4*common.SIZE_K
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PCI_VUART_VBAR0_ALIGNMENT = 4*common.SIZE_K
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PCI_VUART_VBAR1_ALIGNMENT = 4*common.SIZE_K
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# Constants for vmsix bar
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VMSIX_VBAR_SIZE = 4*common.SIZE_K
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VMSIX_VBAR_ALIGNMENT = VMSIX_VBAR_SIZE
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class MmioWindow(namedtuple(
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"MmioWindow", [
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"start",
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"end"])):
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PATTERN = re.compile(r"\s*(?P<start>[0-9a-f]+)-(?P<end>[0-9a-f]+) ")
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@classmethod
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def from_str(cls, value):
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if not isinstance(value, str):
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raise ValueError("value must be a str: {}".format(type(value)))
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match = cls.PATTERN.fullmatch(value)
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if match:
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return MmioWindow(
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start=int(match.group("start"), 16),
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end=int(match.group("end"), 16))
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else:
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raise ValueError("not an mmio window: {!r}".format(value))
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def overlaps(self, other):
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if not isinstance(other, MmioWindow):
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raise TypeError('overlaps() other must be an MmioWindow: {}'.format(type(other)))
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if other.end < self.start:
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return False
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if self.end < other.start:
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return False
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return True
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def get_devs_per_vm_with_key(pci_devs, keywords):
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devicelist = {}
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for vm_i, pci_devs_list in pci_devs.items():
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devicelist[vm_i] = [
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d for d in pci_devs_list if d in keywords
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]
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return devicelist
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def write_vbar(i_cnt, bdf, pci_bar_dic, bar_attr, \
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pci_devs_per_vm, mmiolist_per_vm, sos_mmio_range,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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bar_val = ""
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free = MmioWindow(0, 0)
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is_vmsix = False
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# If the device is vmsix device, find a free mmio window up to 4k size
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if board_cfg_lib.is_matched_board(('ehl-crb-b')):
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for vm_i in pci_devs_per_vm:
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if bdf in pci_devs_per_vm[vm_i]:
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if scenario_cfg_lib.VM_DB[common.VM_TYPES[vm_i]]['load_type'] == "PRE_LAUNCHED_VM":
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is_vmsix = True
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bar_len += 1
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# For pre-launched VM, the windows range is form 2G to 4G
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free = get_free_mmio([MmioWindow(start=common.SIZE_2G, end=common.SIZE_4G-1)], \
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mmiolist_per_vm[vm_i], VMSIX_VBAR_ALIGNMENT + VMSIX_VBAR_SIZE)
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free_vbar_start_addr = common.round_up(free.start, VMSIX_VBAR_ALIGNMENT)
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free_vbar_end_addr = free_vbar_start_addr + VMSIX_VBAR_SIZE - 1
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free = MmioWindow(free_vbar_start_addr, free_vbar_end_addr)
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mmiolist_per_vm[vm_i].append(free)
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mmiolist_per_vm[vm_i].sort()
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break
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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 = '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" \
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.format(bar_i, ptdev_mmio_str, bar_val), file=config)
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else:
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print("{}.vbar_base[{}] = {}{}UL" \
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.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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if is_vmsix:
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next_bar_idx = find_next_bar(bar_val, bar_list)
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print("{}.vbar_base[{}] = {}{}UL".format(align, next_bar_idx, ptdev_mmio_str, hex(free.start)), file=config)
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print("", file=config)
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def find_next_bar(bar_val, bar_list):
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pci_lines = board_cfg_lib.get_info(common.BOARD_INFO_FILE, "<PCI_DEVICE>", "</PCI_DEVICE>")
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idx = bar_list[-1]
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for line in pci_lines:
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if bar_val.split('x')[1] in line:
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if "32-bit" in line:
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idx += 1
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break
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elif "64-bit" in line:
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idx += 2
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break
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if int(idx) > 5:
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raise ValueError("Not enough bar region, last bar region is {}".format(idx))
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return idx
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def write_vuart_vbar(mmiolist_per_vm, sos_mmio_range, config):
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# get legacy vuart information
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vuart0_setting = common.get_vuart_info_id(common.SCENARIO_INFO_FILE, 0)
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vuart1_setting = common.get_vuart_info_id(common.SCENARIO_INFO_FILE, 1)
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# get pci vuart information
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vuarts = common.get_vuart_info(common.SCENARIO_INFO_FILE)
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for vm_id in vuarts.keys():
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vm_type = common.VM_TYPES[vm_id]
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if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "POST_LAUNCHED_VM":
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continue
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for vuart_id in vuarts[vm_id].keys():
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if vuarts[vm_id][vuart_id]['base'] == "INVALID_PCI_BASE":
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continue
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# Skip pci vuart 0 if the legacy vuart 0 is enabled
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if vuart_id == 0 and vm_id in vuart0_setting \
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and vuart0_setting[vm_id]['base'] != "INVALID_COM_BASE":
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continue
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# Skip pci vuart 1 if the legacy vuart 1 is enabled
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if vuart_id == 1 and vm_id in vuart1_setting \
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and vuart1_setting[vm_id]['base'] != "INVALID_COM_BASE":
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continue
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free_bar0 = []
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free_bar1 = []
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# vuart decice requires 2 bars
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if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "SERVICE_VM":
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free_bar0 = get_free_mmio(sos_mmio_range, mmiolist_per_vm[vm_id], \
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PCI_VUART_VBAR0_SIZE + PCI_VUART_VBAR0_ALIGNMENT)
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free_bar0_start_addr = common.round_up(free_bar0.start, PCI_VUART_VBAR0_ALIGNMENT)
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free_bar0_end_addr = free_bar0_start_addr + PCI_VUART_VBAR0_SIZE - 1
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free_bar0 = MmioWindow(free_bar0_start_addr, free_bar0_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar0)
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mmiolist_per_vm[vm_id].sort()
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free_bar1 = get_free_mmio(sos_mmio_range, mmiolist_per_vm[vm_id], \
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PCI_VUART_VBAR1_SIZE + PCI_VUART_VBAR1_ALIGNMENT)
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free_bar1_start_addr = common.round_up(free_bar1.start, PCI_VUART_VBAR1_ALIGNMENT)
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free_bar1_end_addr = free_bar1_start_addr + PCI_VUART_VBAR1_SIZE - 1
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free_bar1 = MmioWindow(free_bar1_start_addr, free_bar1_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar1)
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mmiolist_per_vm[vm_id].sort()
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elif scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "PRE_LAUNCHED_VM":
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free_bar0 = get_free_mmio([MmioWindow(start=common.SIZE_2G, end=common.SIZE_4G-1)], \
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mmiolist_per_vm[vm_id], PCI_VUART_VBAR0_SIZE + PCI_VUART_VBAR0_ALIGNMENT)
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free_bar0_start_addr = common.round_up(free_bar0.start, PCI_VUART_VBAR0_ALIGNMENT)
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free_bar0_end_addr = free_bar0_start_addr + PCI_VUART_VBAR0_SIZE - 1
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free_bar0 = MmioWindow(free_bar0_start_addr, free_bar0_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar0)
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mmiolist_per_vm[vm_id].sort()
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free_bar1 = get_free_mmio([MmioWindow(start=common.SIZE_2G, end=common.SIZE_4G-1)], \
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mmiolist_per_vm[vm_id], PCI_VUART_VBAR1_SIZE + PCI_VUART_VBAR1_ALIGNMENT)
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free_bar1_start_addr = common.round_up(free_bar1.start, PCI_VUART_VBAR1_ALIGNMENT)
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free_bar1_end_addr = free_bar1_start_addr + PCI_VUART_VBAR1_SIZE - 1
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free_bar1 = MmioWindow(free_bar1_start_addr, free_bar1_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar1)
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mmiolist_per_vm[vm_id].sort()
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print("#define VM%s" %(str(vm_id) + "_VUART_%-28s") % (str(vuart_id) + "_VBAR"),
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" .vbar_base[0] = {:#x}UL, \\".format(free_bar0.start), file=config)
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print("{}.vbar_base[1] = {:#x}UL".format(' ' * 54, free_bar1.start), file=config)
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print("", file=config)
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def write_ivshmem_vbar(mmiolist_per_vm, sos_mmio_range, config):
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for vm_id,vm_type in common.VM_TYPES.items():
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ivshmem_region = common.get_hv_item_tag(common.SCENARIO_INFO_FILE,
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"FEATURES", "IVSHMEM", "IVSHMEM_REGION")
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shmem_regions = scenario_cfg_lib.get_shmem_regions(ivshmem_region)
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if vm_id not in shmem_regions:
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continue
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shmems = shmem_regions.get(vm_id)
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idx = 0
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for shm in shmems:
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if shm is None or shm.strip() == '':
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continue
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shm_splited = shm.split(',')
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size = shm_splited[1].strip()
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try:
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int_size = int(size) * 0x100000
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except:
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int_size = 0
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if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "SERVICE_VM":
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# vbar[0] for shared memory is 4k
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free_bar0 = get_free_mmio(sos_mmio_range, mmiolist_per_vm[vm_id], BAR0_SHEMEM_ALIGNMENT + BAR0_SHEMEM_SIZE)
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free_bar0_start_addr = common.round_up(free_bar0.start, BAR0_SHEMEM_ALIGNMENT)
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free_bar0_end_addr = free_bar0_start_addr + BAR0_SHEMEM_SIZE - 1
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free_bar0 = MmioWindow(free_bar0_start_addr, free_bar0_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar0)
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mmiolist_per_vm[vm_id].sort()
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# vbar[1] for shared memory is 4K
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free_bar1 = get_free_mmio(sos_mmio_range, mmiolist_per_vm[vm_id], BAR1_SHEMEM_ALIGNMENT + BAR1_SHEMEM_SIZE)
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free_bar1_start_addr = common.round_up(free_bar1.start, BAR1_SHEMEM_ALIGNMENT)
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free_bar1_end_addr = free_bar1_start_addr + BAR1_SHEMEM_SIZE - 1
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free_bar1 = MmioWindow(free_bar1_start_addr, free_bar1_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar1)
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mmiolist_per_vm[vm_id].sort()
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# vbar[2] for shared memory is specified size in MB
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free_bar2 = get_free_mmio(sos_mmio_range, mmiolist_per_vm[vm_id], BAR2_SHEMEM_ALIGNMENT + int_size)
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free_bar2_start_addr = common.round_up(free_bar2.start, BAR2_SHEMEM_ALIGNMENT) + 0xC
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free_bar2_end_addr = free_bar2_start_addr + int_size - 1
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free_bar2 = MmioWindow(free_bar2_start_addr, free_bar2_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar2)
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mmiolist_per_vm[vm_id].sort()
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print("#define SOS_IVSHMEM_DEVICE_%-19s" % (str(idx) + "_VBAR"),
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" .vbar_base[0] = {:#x}UL, \\".format(free_bar0.start), file=config)
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print("{}.vbar_base[1] = {:#x}UL, \\".format(' ' * 54, free_bar1.start), file=config)
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print("{}.vbar_base[2] = {:#x}UL".format(' ' * 54, free_bar2.start), file=config)
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print("", file=config)
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idx += 1
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elif scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "PRE_LAUNCHED_VM":
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mmioRange = [MmioWindow(start=common.SIZE_2G, end=common.SIZE_4G-1)]
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# vbar[0] for shared memory is 4k
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free_bar0 = get_free_mmio(mmioRange, mmiolist_per_vm[vm_id], BAR0_SHEMEM_ALIGNMENT + BAR0_SHEMEM_SIZE)
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free_bar0_start_addr = common.round_up(free_bar0.start, BAR0_SHEMEM_ALIGNMENT)
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free_bar0_end_addr = free_bar0_start_addr + BAR0_SHEMEM_SIZE - 1
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free_bar0 = MmioWindow(free_bar0_start_addr, free_bar0_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar0)
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mmiolist_per_vm[vm_id].sort()
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# vbar[1] for shared memory is 4K
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free_bar1 = get_free_mmio(mmioRange, mmiolist_per_vm[vm_id], BAR1_SHEMEM_ALIGNMENT + BAR1_SHEMEM_SIZE)
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free_bar1_start_addr = common.round_up(free_bar1.start, BAR1_SHEMEM_ALIGNMENT)
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free_bar1_end_addr = free_bar1_start_addr + BAR1_SHEMEM_SIZE - 1
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free_bar1 = MmioWindow(free_bar1_start_addr, free_bar1_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar1)
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mmiolist_per_vm[vm_id].sort()
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# vbar[2] for shared memory is specified size in MB
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free_bar2 = get_free_mmio(mmioRange, mmiolist_per_vm[vm_id], BAR2_SHEMEM_ALIGNMENT + int_size)
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free_bar2_start_addr = common.round_up(free_bar2.start, BAR2_SHEMEM_ALIGNMENT) + 0xC
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free_bar2_end_addr = free_bar2_start_addr + int_size - 1
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free_bar2 = MmioWindow(free_bar2_start_addr, free_bar2_end_addr)
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mmiolist_per_vm[vm_id].append(free_bar2)
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mmiolist_per_vm[vm_id].sort()
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print("#define IVSHMEM_DEVICE_%-23s" % (str(idx) + "_VBAR"),
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" .vbar_base[0] = {:#x}UL, \\".format(free_bar0.start), file=config)
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print("{}.vbar_base[1] = {:#x}UL, \\".format(' ' * 54, free_bar1.start), file=config)
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print("{}.vbar_base[2] = {:#x}UL".format(' ' * 54, free_bar2.start), file=config)
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print("", file=config)
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idx += 1
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def is_mmio_window_used(devinfo, keywords):
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for k in keywords:
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if k in devinfo:
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return True
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return False
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def get_mmio_windows_with_key(keywords):
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keyword_mmiolist = []
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exclusive_mmiolist = []
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iomem_lines = board_cfg_lib.get_info(common.BOARD_INFO_FILE, "<IOMEM_INFO>", "</IOMEM_INFO>")
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for line in iomem_lines:
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mmio_range = line.split(':')[0]
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devmmio_tuple = MmioWindow.from_str(mmio_range)
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if is_mmio_window_used(line, keywords):
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keyword_mmiolist.append(devmmio_tuple)
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else:
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exclusive_mmiolist.append(devmmio_tuple)
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return sorted(keyword_mmiolist), sorted(exclusive_mmiolist)
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def removed_nested(list1, list2):
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if not list1 or not list2:
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return list1
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resolvedList = list1[:]
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for w1 in resolvedList:
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for w2 in list2:
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if w2.start <= w1.start <= w2.end and w2.start <= w1.end <= w2.end:
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if w1 not in resolvedList:
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continue
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resolvedList.remove(w1)
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return sorted(resolvedList)
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def merged_windows(windowslist):
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if not windowslist:
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return None
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sortedlist = sorted(windowslist)
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resolvedList = []
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last = sortedlist[0]
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for cur in sortedlist:
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if cur.start <= last.end + 1:
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last = MmioWindow(start=last.start, end=max(last.end, cur.end))
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else:
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resolvedList.append(last)
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last = cur
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resolvedList.append(last)
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return sorted(resolvedList)
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def get_free_mmio(windowslist, used, size):
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if not size:
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raise ValueError("allocate size cannot be {}".format(size))
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if not windowslist:
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raise ValueError("No mmio range is specified:{}".format(windowslist))
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for w in windowslist:
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window = MmioWindow(start=w.start, end=w.start+size-1)
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for u in used:
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if window.overlaps(u):
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window = MmioWindow(start=u.end+1, end=u.end+size)
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continue
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|
if window.overlaps(w):
|
|
return window
|
|
raise ValueError("Not enough mmio window for a device size {}: {}".format(size, window))
|
|
|
|
|
|
def generate_file(config):
|
|
matching_mmios, non_matching_mmios = get_mmio_windows_with_key(['PCI Bus 0000:00'])
|
|
matching_mmios = removed_nested(matching_mmios, non_matching_mmios)
|
|
non_matching_mmios = [
|
|
w for w in non_matching_mmios
|
|
if any((w.overlaps(w2) for w2 in matching_mmios))
|
|
]
|
|
non_matching_mmios = merged_windows(non_matching_mmios)
|
|
|
|
# list of all vmsix supported device list in bdf format
|
|
bdf_list = board_cfg_lib.get_known_caps_pci_devs().get('VMSIX', [])
|
|
# list of all PRE_LAUNCHED_VMs' vmsix supported passthrough devices in bdf format
|
|
pci_items = common.get_leaf_tag_map(common.SCENARIO_INFO_FILE, "pci_devs", "pci_dev")
|
|
pci_devs = scenario_cfg_lib.get_pt_pci_devs(pci_items)
|
|
pci_devs_per_vm = get_devs_per_vm_with_key(pci_devs, bdf_list)
|
|
# list Service VM vmsix supported devices without other PRE_LAUNCHED_VMs' in bdf format
|
|
sos_bdf_list = [
|
|
d for d in bdf_list
|
|
if all((d not in pci_devs_per_vm[i] for i in pci_devs_per_vm))
|
|
]
|
|
|
|
for vm_i in pci_devs_per_vm:
|
|
vm_type = common.VM_TYPES[vm_i]
|
|
if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "SERVICE_VM":
|
|
pci_devs_per_vm[vm_i] = sos_bdf_list
|
|
|
|
mmiolist_per_vm = {}
|
|
for vm_i,vm_type in common.VM_TYPES.items():
|
|
if vm_i not in mmiolist_per_vm.keys():
|
|
mmiolist_per_vm[vm_i] = []
|
|
if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "SERVICE_VM":
|
|
mmiolist_per_vm[vm_i] = non_matching_mmios
|
|
else:
|
|
if vm_i in pci_devs.keys():
|
|
match, _ = get_mmio_windows_with_key(pci_devs[vm_i])
|
|
mmiolist_per_vm[vm_i] = match
|
|
if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "PRE_LAUNCHED_VM":
|
|
if vm_i not in mmiolist_per_vm.keys():
|
|
mmiolist_per_vm[vm_i] = []
|
|
# TSN reserved region
|
|
mmiolist_per_vm[vm_i].append(MmioWindow(start = 0xffff0000 , end = 0xffffffff))
|
|
# For the pre-launched vm, if the TPM is passtrough, this address is used
|
|
if vm_i == 0 and board_cfg_lib.is_tpm_passthru():
|
|
mmiolist_per_vm[vm_i].append(MmioWindow(start = 0xfed40000, end = 0xfed40000 + 0x5000 - 1))
|
|
# For the pre-launched vm o ehl-crb-b, if the p2sb is passtrough, this address is used
|
|
if board_cfg_lib.is_matched_board(('ehl-crb-b')):
|
|
p2sb_start = board_cfg_lib.find_p2sb_bar_addr()
|
|
mmiolist_per_vm[vm_i].append(MmioWindow(start = p2sb_start, end = p2sb_start + 0x1000000 - 1))
|
|
mmiolist_per_vm[vm_i].sort()
|
|
|
|
# start to generate board_info.h
|
|
print("{0}".format(board_cfg_lib.HEADER_LICENSE), file=config)
|
|
print(VBAR_INFO_DEFINE, file=config)
|
|
common.get_vm_types()
|
|
pre_vm = False
|
|
sos_vm = False
|
|
for vm_type in common.VM_TYPES.values():
|
|
if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "PRE_LAUNCHED_VM":
|
|
pre_vm = True
|
|
if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "SERVICE_VM":
|
|
sos_vm = True
|
|
|
|
if not pre_vm and not sos_vm:
|
|
print(VBAR_INFO_ENDIF, file=config)
|
|
return
|
|
|
|
ivshmem_enabled = common.get_hv_item_tag(common.SCENARIO_INFO_FILE, "FEATURES", "IVSHMEM", "IVSHMEM_ENABLED")
|
|
if ivshmem_enabled == 'y':
|
|
write_ivshmem_vbar(mmiolist_per_vm, matching_mmios, config)
|
|
|
|
# Get passthrough devices vbar bases
|
|
compared_bdf = []
|
|
for cnt_sub_name in board_cfg_lib.SUB_NAME_COUNT.keys():
|
|
i_cnt = 0
|
|
for bdf, bar_attr in board_cfg_lib.PCI_DEV_BAR_DESC.pci_dev_dic.items():
|
|
if cnt_sub_name == bar_attr.name and bdf not in compared_bdf:
|
|
compared_bdf.append(bdf)
|
|
else:
|
|
continue
|
|
|
|
write_vbar(i_cnt, bdf, board_cfg_lib.PCI_DEV_BAR_DESC.pci_bar_dic, bar_attr, \
|
|
pci_devs_per_vm, mmiolist_per_vm, matching_mmios, config)
|
|
|
|
i_cnt += 1
|
|
|
|
write_vuart_vbar(mmiolist_per_vm, matching_mmios, config)
|
|
print(VBAR_INFO_ENDIF, file=config)
|