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USB: Store devices in globally accessible array

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USB Devices are now stored so that they may be later retrieved and
operated on (i.e, fetching their assigned device address via
ProcFS)
This commit is contained in:
Jesse Buhagiar 2021-06-08 00:08:41 +10:00 • committed by Ali Mohammad Pur
parent 0e680cb17a
commit 7b42146f33
4 changed files with 38 additions and 7 deletions
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10
Kernel/Devices/USB/USBDevice.h
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@ -17,7 +17,7 @@ namespace Kernel::USB {
// glues together:
//
// https://www.ftdichip.com/Support/Documents/TechnicalNotes/TN_113_Simplified%20Description%20of%20USB%20Device%20Enumeration.pdf
class Device {
class Device : public RefCounted<Device> {
public:
enum class PortNumber : u8 {
Port1 = 0,
@ -30,8 +30,7 @@ public:
};
public:
static KResultOr<NonnullOwnPtr<Device>> try_create(PortNumber, DeviceSpeed);
static Device* get(PortNumber);
static KResultOr<NonnullRefPtr<Device>> try_create(PortNumber, DeviceSpeed);
Device(PortNumber, DeviceSpeed, NonnullOwnPtr<Pipe> default_pipe);
~Device();
@ -50,8 +49,9 @@ private:
u8 m_address { 0 }; // USB address assigned to this device
// Device description
u16 m_vendor_id { 0 }; // This device's vendor ID assigned by the USB group
u16 m_product_id { 0 }; // This device's product ID assigned by the USB group
u16 m_vendor_id { 0 }; // This device's vendor ID assigned by the USB group
u16 m_product_id { 0 }; // This device's product ID assigned by the USB group
USBDeviceDescriptor m_device_descriptor; // Device Descriptor obtained from USB Device
NonnullOwnPtr<Pipe> m_default_pipe; // Default communication pipe (endpoint0) used during enumeration
};