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Kernel/USB: Make USBControllers pseudo StorageControllers

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This will be needed in the next commit to generate valid LUNs
This commit is contained in:
Hendiadyoin1 2023-09-15 21:12:58 +02:00 • committed by Andrew Kaster
parent 4b327bdc95
commit b857c6b92f
2 changed files with 15 additions and 0 deletions
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6
Kernel/Bus/USB/USBController.cpp
View file

@ -5,9 +5,15 @@
*/
#include <Kernel/Bus/USB/USBController.h>
#include <Kernel/Devices/Storage/StorageManagement.h>
namespace Kernel::USB {
USBController::USBController()
: m_storage_controller_id(StorageManagement::generate_controller_id())
{
}
u8 USBController::allocate_address()
{
// FIXME: This can be smarter.

9
Kernel/Bus/USB/USBController.h
View file

@ -28,9 +28,18 @@ public:
virtual ErrorOr<size_t> submit_bulk_transfer(Transfer& transfer) = 0;
virtual ErrorOr<void> submit_async_interrupt_transfer(NonnullLockRefPtr<Transfer> transfer, u16 ms_interval) = 0;
u32 storage_controller_id() const { return m_storage_controller_id; }
u8 allocate_address();
protected:
USBController();
private:
// Note: We are pseudo storage controller for the sake of generating LUNs
// And do not follow a hardware_relative_controller_id for the controller class "USB",
// as we also have to follow the device id and its internal LUN, leaving no room for that
u32 m_storage_controller_id { 0 };
u8 m_next_device_index { 1 };
IntrusiveListNode<USBController, NonnullLockRefPtr<USBController>> m_controller_list_node;