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

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Implement enabling and disabling MSI interrupts for a PCI device.

Removes two more TODO()s from PCI::Device.cpp :^)
This commit is contained in:
Pankaj Raghav 2023-05-08 21:28:28 +02:00 • committed by Jelle Raaijmakers
parent 1bc2c5c110
commit 35a844ac75
2 changed files with 9 additions and 2 deletions
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10
Kernel/Bus/PCI/Device.cpp
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@ -41,11 +41,17 @@ void Device::disable_pin_based_interrupts() const
void Device::enable_message_signalled_interrupts()
{
TODO();
for (auto& capability : m_pci_identifier->capabilities()) {
if (capability.id().value() == PCI::Capabilities::ID::MSI)
capability.write16(msi_control_offset, capability.read16(msi_control_offset) | msi_control_enable);
}
}
void Device::disable_message_signalled_interrupts()
{
TODO();
for (auto& capability : m_pci_identifier->capabilities()) {
if (capability.id().value() == PCI::Capabilities::ID::MSI)
capability.write16(msi_control_offset, capability.read16(msi_control_offset) & ~(msi_control_enable));
}
}
void Device::enable_extended_message_signalled_interrupts()