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Kernel/PCI: Cache more details about PCI devices when enumerating them

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There's no good reason to fetch these values each time we need them.
This commit is contained in:
Liav A 2021-09-23 09:05:34 +03:00 • committed by Andreas Kling
commit 82bb08a15c
Notes: sideshowbarker 2024-07-18 03:21:21 +09:00
14 changed files with 85 additions and 41 deletions
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10
Kernel/Bus/VirtIO/Device.cpp
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@ -18,13 +18,13 @@ UNMAP_AFTER_INIT void detect()
{
if (kernel_command_line().disable_virtio())
return;
PCI::enumerate([&](const PCI::Address& address, PCI::ID id) {
if (address.is_null() || id.is_null())
PCI::enumerate([&](const PCI::Address& address, PCI::PhysicalID const& physical_id) {
if (address.is_null() || physical_id.id().is_null())
return;
// TODO: We should also be checking that the device_id is in between 0x1000 - 0x107F inclusive
if (id.vendor_id != PCI::VendorID::VirtIO)
if (physical_id.id().vendor_id != PCI::VendorID::VirtIO)
return;
switch (id.device_id) {
switch (physical_id.id().device_id) {
case PCI::DeviceID::VirtIOConsole: {
auto& console = Console::must_create(address).leak_ref();
console.initialize();
@ -40,7 +40,7 @@ UNMAP_AFTER_INIT void detect()
break;
}
default:
dbgln_if(VIRTIO_DEBUG, "VirtIO: Unknown VirtIO device with ID: {}", id.device_id);
dbgln_if(VIRTIO_DEBUG, "VirtIO: Unknown VirtIO device with ID: {}", physical_id.id().device_id);
break;
}
});