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device_probe.py: Handle VPCI erroring

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This commit is contained in:
Mykola Grymalyuk
2022-02-03 10:01:18 -07:00
parent bea1e92a3b
commit c74706127d
1 changed files with 7 additions and 6 deletions
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resources/device_probe.py
+7 -6
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@@ -76,18 +76,19 @@ class PCIDevice:
def detect(cls, device): def detect(cls, device):
return device.vendor_id == cls.VENDOR_ID and ((device.class_code == cls.CLASS_CODE) if getattr(cls, "CLASS_CODE", None) else True) # type: ignore # pylint: disable=no-member return device.vendor_id == cls.VENDOR_ID and ((device.class_code == cls.CLASS_CODE) if getattr(cls, "CLASS_CODE", None) else True) # type: ignore # pylint: disable=no-member
# def acpi_path(self):
# # Eventually
# raise NotImplementedError
def populate_pci_path(self, original_entry: ioreg.io_registry_entry_t): def populate_pci_path(self, original_entry: ioreg.io_registry_entry_t):
# Based off gfxutil logic, seems to work. # Based off gfxutil logic, seems to work.
paths = [] paths = []
entry = original_entry entry = original_entry
while entry: while entry:
if ioreg.IOObjectConformsTo(entry, "IOPCIDevice".encode()): if ioreg.IOObjectConformsTo(entry, "IOPCIDevice".encode()):
location = [hex(int(i, 16)) for i in ioreg.io_name_t_to_str(ioreg.IORegistryEntryGetLocationInPlane(entry, "IOService".encode(), None)[1]).split(",") + ["0"]] # Virtual PCI devices provide a botched IOService path (us.electronic.kext.vusb)
paths.append(f"Pci({location[0]},{location[1]})") # We only care about physical devices, so skip them
try:
location = [hex(int(i, 16)) for i in ioreg.io_name_t_to_str(ioreg.IORegistryEntryGetLocationInPlane(entry, "IOService".encode(), None)[1]).split(",") + ["0"]]
paths.append(f"Pci({location[0]},{location[1]})")
except ValueError:
break
elif ioreg.IOObjectConformsTo(entry, "IOACPIPlatformDevice".encode()): elif ioreg.IOObjectConformsTo(entry, "IOACPIPlatformDevice".encode()):
paths.append(f"PciRoot({hex(int(ioreg.corefoundation_to_native(ioreg.IORegistryEntryCreateCFProperty(entry, '_UID', ioreg.kCFAllocatorDefault, ioreg.kNilOptions)) or 0))})") # type: ignore paths.append(f"PciRoot({hex(int(ioreg.corefoundation_to_native(ioreg.IORegistryEntryCreateCFProperty(entry, '_UID', ioreg.kCFAllocatorDefault, ioreg.kNilOptions)) or 0))})") # type: ignore
break break