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Kernel/PCI: Add basic support for the VMD PCI bridge device

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Liav A 2022-01-15 09:17:07 +02:00 • committed by Andreas Kling
parent df73e8b46b
commit eb9c8f3895
7 changed files with 161 additions and 2 deletions
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19
Kernel/Storage/StorageManagement.cpp
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@ -9,6 +9,7 @@
#include <AK/UUID.h>
#include <Kernel/Bus/PCI/API.h>
#include <Kernel/Bus/PCI/Access.h>
#include <Kernel/Bus/PCI/Controller/VolumeManagementDevice.h>
#include <Kernel/CommandLine.h>
#include <Kernel/Devices/BlockDevice.h>
#include <Kernel/FileSystem/Ext2FileSystem.h>
@ -55,6 +56,24 @@ UNMAP_AFTER_INIT void StorageManagement::enumerate_controllers(bool force_pio)
return;
}
{
static constexpr PCI::HardwareID vmd_device = { 0x8086, 0x9a0b };
if (device_identifier.hardware_id() == vmd_device) {
auto controller = PCI::VolumeManagementDevice::must_create(device_identifier);
PCI::Access::the().add_host_controller_and_enumerate_attached_devices(move(controller), [this](PCI::DeviceIdentifier const& device_identifier) -> void {
auto subclass_code = static_cast<SubclassID>(device_identifier.subclass_code().value());
if (subclass_code == SubclassID::NVMeController) {
auto controller = NVMeController::try_initialize(device_identifier);
if (controller.is_error()) {
dmesgln("Unable to initialize NVMe controller: {}", controller.error());
} else {
m_controllers.append(controller.release_value());
}
}
});
}
}
auto subclass_code = static_cast<SubclassID>(device_identifier.subclass_code().value());
if (subclass_code == SubclassID::IDEController && kernel_command_line().is_ide_enabled()) {
m_controllers.append(IDEController::initialize(device_identifier, force_pio));