OrgACRN
/
acrn-hypervisor
mirror of https://github.com/projectacrn/acrn-hypervisor.git
1
0
Fork 0
Code Issues Releases Wiki Activity

config-tool: find pci hole based on all pci hostbridge 

Not all pci hostbridge has a device on it. Remove the logic which
assumes there is at least one device.

Tracked-On: #7077
Signed-off-by: Yang,Yu-chu <yu-chu.yang@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Yang,Yu-chu 2022-01-27 15:31:29 -08:00 committed by acrnsi-robot
parent dd2d1a5610
commit 526ce5abcf
1 changed files with 4 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
misc/config_tools/static_allocators/gpa.py
View File

@ -301,25 +301,17 @@ def get_pt_devs_io_port_passthrough(board_etree, scenario_etree):
return dev_list
def get_pci_hole_native(board_etree):
resources = board_etree.xpath(f"//bus[@type = 'pci']/device[@address]/resource[@type = 'memory' and @len != '0x0']")
resources_hostbridge = board_etree.xpath("//bus/resource[@type = 'memory' and @len != '0x0' and not(starts-with(@id, 'bar')) and not(@width)]")
low_mem = set()
high_mem = set()
for resource_hostbridge in resources_hostbridge:
start = resource_hostbridge.get('min')
end = resource_hostbridge.get('max')
if start is not None and end is not None and int(start, 16) >= PCI_HOLE_THRESHOLD:
for resource in resources:
resource_start = int(resource.get('min'), 16)
resource_end = int(resource.get('max'), 16)
if resource_start >= int(start, 16) and resource_end <= int(end, 16):
if resource_end < 4 * SIZE_G:
low_mem.add(AddrWindow(int(start, 16), int(end, 16)))
break
else:
high_mem.add(AddrWindow(int(start, 16), int(end, 16)))
break
if int(end,16) < 4 * SIZE_G:
low_mem.add(AddrWindow(int(start, 16), int(end, 16)))
else:
high_mem.add(AddrWindow(int(start, 16), int(end, 16)))
return list(sorted(low_mem)), list(sorted(high_mem))
def get_io_port_range_native(board_etree):