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Kernel: Implement {enable,disable}_msix interrupts in PCI Device

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Implement enabling and disabling MSIx interrupts for a PCI device.

Removes two TODO()s from PCI::Device.cpp :^)
This commit is contained in:
Pankaj Raghav 2023-04-29 19:09:49 +02:00 • committed by Jelle Raaijmakers
parent d3bb63afff
commit bf7ac06d7b
2 changed files with 12 additions and 2 deletions
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12
Kernel/Bus/PCI/Device.cpp
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@ -44,13 +44,21 @@ void Device::disable_message_signalled_interrupts()
{
TODO();
}
void Device::enable_extended_message_signalled_interrupts()
{
TODO();
for (auto& capability : m_pci_identifier->capabilities()) {
if (capability.id().value() == PCI::Capabilities::ID::MSIX)
capability.write16(msi_control_offset, capability.read16(msi_control_offset) | msix_control_enable);
}
}
void Device::disable_extended_message_signalled_interrupts()
{
TODO();
for (auto& capability : m_pci_identifier->capabilities()) {
if (capability.id().value() == PCI::Capabilities::ID::MSIX)
capability.write16(msi_control_offset, capability.read16(msi_control_offset) & ~(msix_control_enable));
}
}
}