diff --git a/src/userland/hid/main.c b/src/userland/hid/main.c
index bbf449d..42389f7 100644
--- a/src/userland/hid/main.c
+++ b/src/userland/hid/main.c
@@ -21,12 +21,11 @@
 
 void hidListening(HIDDevice *device) {
     while (1) {
-        request(device->serviceId, device->normalFunction, device->deviceId, getPhysicalAddress(device->buffer));
+        request(device->serviceId, device->normalFunction, device->deviceId, U32(getPhysicalAddress(device->buffer)));
         MouseReport *report = device->buffer;
         moveRelative((int32_t) report->x, (int32_t)report->y);
         updateButtons(report->buttons, 0);
         // todo: sleep for at least endpoint->interval?
-        // todo: start this loop in a fork?
         sleep(10);
     }
 }
@@ -38,6 +37,7 @@
     device->buffer = malloc(0x1000);
     device->normalFunction = getFunction(serviceId, "hid_normal");
     fork(hidListening, device, 0, 0);
+    return 0;
 }
 
 void initialize() {

diff --git a/src/userland/hid/main.c b/src/userland/hid/main.c
index bbf449d..42389f7 100644
--- a/src/userland/hid/main.c
+++ b/src/userland/hid/main.c
@@ -21,12 +21,11 @@
 
 void hidListening(HIDDevice *device) {
     while (1) {
-        request(device->serviceId, device->normalFunction, device->deviceId, getPhysicalAddress(device->buffer));
+        request(device->serviceId, device->normalFunction, device->deviceId, U32(getPhysicalAddress(device->buffer)));
         MouseReport *report = device->buffer;
         moveRelative((int32_t) report->x, (int32_t)report->y);
         updateButtons(report->buttons, 0);
         // todo: sleep for at least endpoint->interval?
-        // todo: start this loop in a fork?
         sleep(10);
     }
 }
@@ -38,6 +37,7 @@
     device->buffer = malloc(0x1000);
     device->normalFunction = getFunction(serviceId, "hid_normal");
     fork(hidListening, device, 0, 0);
+    return 0;
 }
 
 void initialize() {
diff --git a/src/userland/usb/include/usb.h b/src/userland/usb/include/usb.h
index 1bfbd4d..9277af1 100644
--- a/src/userland/usb/include/usb.h
+++ b/src/userland/usb/include/usb.h
@@ -64,7 +64,7 @@
 typedef struct {
     uint32_t pciClass;
     void *(*initialize)(uint32_t, uint32_t, uint32_t);
-    void (*getDescriptor)(void *, uint32_t, uint32_t, void *);
+    void (*getDescriptor)(void *, uint32_t, uint32_t, void *, uint8_t);
     void (*setupEndpointsStart)(void *, uint32_t);
     void (*setupEndpointsEnd)(void *, uint32_t);
     void (*setupHID)(void *, uint32_t, void *);

diff --git a/src/userland/hid/main.c b/src/userland/hid/main.c
index bbf449d..42389f7 100644
--- a/src/userland/hid/main.c
+++ b/src/userland/hid/main.c
@@ -21,12 +21,11 @@
 
 void hidListening(HIDDevice *device) {
     while (1) {
-        request(device->serviceId, device->normalFunction, device->deviceId, getPhysicalAddress(device->buffer));
+        request(device->serviceId, device->normalFunction, device->deviceId, U32(getPhysicalAddress(device->buffer)));
         MouseReport *report = device->buffer;
         moveRelative((int32_t) report->x, (int32_t)report->y);
         updateButtons(report->buttons, 0);
         // todo: sleep for at least endpoint->interval?
-        // todo: start this loop in a fork?
         sleep(10);
     }
 }
@@ -38,6 +37,7 @@
     device->buffer = malloc(0x1000);
     device->normalFunction = getFunction(serviceId, "hid_normal");
     fork(hidListening, device, 0, 0);
+    return 0;
 }
 
 void initialize() {
diff --git a/src/userland/usb/include/usb.h b/src/userland/usb/include/usb.h
index 1bfbd4d..9277af1 100644
--- a/src/userland/usb/include/usb.h
+++ b/src/userland/usb/include/usb.h
@@ -64,7 +64,7 @@
 typedef struct {
     uint32_t pciClass;
     void *(*initialize)(uint32_t, uint32_t, uint32_t);
-    void (*getDescriptor)(void *, uint32_t, uint32_t, void *);
+    void (*getDescriptor)(void *, uint32_t, uint32_t, void *, uint8_t);
     void (*setupEndpointsStart)(void *, uint32_t);
     void (*setupEndpointsEnd)(void *, uint32_t);
     void (*setupHID)(void *, uint32_t, void *);
diff --git a/src/userland/usb/main.c b/src/userland/usb/main.c
index cdc9411..77f77e3 100644
--- a/src/userland/usb/main.c
+++ b/src/userland/usb/main.c
@@ -13,7 +13,7 @@
 char *usbReadString(UsbSlot *slot, uint32_t language, uint32_t stringDescriptor,
                     void *buffer) {
     slot->interface->getDescriptor(slot->data, 3 << 8 | stringDescriptor, language,
-                           buffer);
+                           buffer, 0);
     uint32_t length = ((*(uint8_t *)buffer) - 2) / 2;
     char *string = malloc(length);
     for (uint32_t i = 0; i < length; i++) {
@@ -77,12 +77,12 @@
     printf("--------\n");
     void *buffer = requestMemory(1, 0, 0);
     UsbDeviceDescriptor *descriptor = malloc(sizeof(UsbDeviceDescriptor));
-    slot->interface->getDescriptor(slot->data, 1 << 8, 0, buffer);
+    slot->interface->getDescriptor(slot->data, 1 << 8, 0, buffer, 0);
     memcpy(buffer, (void *)descriptor, sizeof(UsbDeviceDescriptor));
     printf("port %i: usb version %x.%x, %i supported configuration(s)\n",
            slot->portIndex, descriptor->usbVersion >> 8,
            descriptor->usbVersion & 0xFF, descriptor->configurationCount);
-    slot->interface->getDescriptor(slot->data, 3 << 8, 0, buffer);
+    slot->interface->getDescriptor(slot->data, 3 << 8, 0, buffer, 0);
     uint32_t language = *((uint16_t *)(buffer + 2));
     char *manufacturer = usbReadString(
         slot, language, descriptor->manufacturerStringDescriptor, buffer);
@@ -93,7 +93,7 @@
     printf("port %i: manufacturer:%s, device:%s, serial:%s\n", slot->portIndex,
            manufacturer, device, serial);
 
-    slot->interface->getDescriptor(slot->data, 2 << 8, 0, buffer);
+    slot->interface->getDescriptor(slot->data, 2 << 8, 0, buffer, 0);
     UsbConfigurationDescriptor *configuration = malloc(((uint16_t *)buffer)[1]);
     memcpy(buffer, configuration, ((uint16_t *)buffer)[1]);
     char *configurationString = usbReadString(

diff --git a/src/userland/hid/main.c b/src/userland/hid/main.c
index bbf449d..42389f7 100644
--- a/src/userland/hid/main.c
+++ b/src/userland/hid/main.c
@@ -21,12 +21,11 @@
 
 void hidListening(HIDDevice *device) {
     while (1) {
-        request(device->serviceId, device->normalFunction, device->deviceId, getPhysicalAddress(device->buffer));
+        request(device->serviceId, device->normalFunction, device->deviceId, U32(getPhysicalAddress(device->buffer)));
         MouseReport *report = device->buffer;
         moveRelative((int32_t) report->x, (int32_t)report->y);
         updateButtons(report->buttons, 0);
         // todo: sleep for at least endpoint->interval?
-        // todo: start this loop in a fork?
         sleep(10);
     }
 }
@@ -38,6 +37,7 @@
     device->buffer = malloc(0x1000);
     device->normalFunction = getFunction(serviceId, "hid_normal");
     fork(hidListening, device, 0, 0);
+    return 0;
 }
 
 void initialize() {
diff --git a/src/userland/usb/include/usb.h b/src/userland/usb/include/usb.h
index 1bfbd4d..9277af1 100644
--- a/src/userland/usb/include/usb.h
+++ b/src/userland/usb/include/usb.h
@@ -64,7 +64,7 @@
 typedef struct {
     uint32_t pciClass;
     void *(*initialize)(uint32_t, uint32_t, uint32_t);
-    void (*getDescriptor)(void *, uint32_t, uint32_t, void *);
+    void (*getDescriptor)(void *, uint32_t, uint32_t, void *, uint8_t);
     void (*setupEndpointsStart)(void *, uint32_t);
     void (*setupEndpointsEnd)(void *, uint32_t);
     void (*setupHID)(void *, uint32_t, void *);
diff --git a/src/userland/usb/main.c b/src/userland/usb/main.c
index cdc9411..77f77e3 100644
--- a/src/userland/usb/main.c
+++ b/src/userland/usb/main.c
@@ -13,7 +13,7 @@
 char *usbReadString(UsbSlot *slot, uint32_t language, uint32_t stringDescriptor,
                     void *buffer) {
     slot->interface->getDescriptor(slot->data, 3 << 8 | stringDescriptor, language,
-                           buffer);
+                           buffer, 0);
     uint32_t length = ((*(uint8_t *)buffer) - 2) / 2;
     char *string = malloc(length);
     for (uint32_t i = 0; i < length; i++) {
@@ -77,12 +77,12 @@
     printf("--------\n");
     void *buffer = requestMemory(1, 0, 0);
     UsbDeviceDescriptor *descriptor = malloc(sizeof(UsbDeviceDescriptor));
-    slot->interface->getDescriptor(slot->data, 1 << 8, 0, buffer);
+    slot->interface->getDescriptor(slot->data, 1 << 8, 0, buffer, 0);
     memcpy(buffer, (void *)descriptor, sizeof(UsbDeviceDescriptor));
     printf("port %i: usb version %x.%x, %i supported configuration(s)\n",
            slot->portIndex, descriptor->usbVersion >> 8,
            descriptor->usbVersion & 0xFF, descriptor->configurationCount);
-    slot->interface->getDescriptor(slot->data, 3 << 8, 0, buffer);
+    slot->interface->getDescriptor(slot->data, 3 << 8, 0, buffer, 0);
     uint32_t language = *((uint16_t *)(buffer + 2));
     char *manufacturer = usbReadString(
         slot, language, descriptor->manufacturerStringDescriptor, buffer);
@@ -93,7 +93,7 @@
     printf("port %i: manufacturer:%s, device:%s, serial:%s\n", slot->portIndex,
            manufacturer, device, serial);
 
-    slot->interface->getDescriptor(slot->data, 2 << 8, 0, buffer);
+    slot->interface->getDescriptor(slot->data, 2 << 8, 0, buffer, 0);
     UsbConfigurationDescriptor *configuration = malloc(((uint16_t *)buffer)[1]);
     memcpy(buffer, configuration, ((uint16_t *)buffer)[1]);
     char *configurationString = usbReadString(
diff --git a/src/userland/usb/xhci/commands.c b/src/userland/usb/xhci/commands.c
index 6669a67..d2f0055 100644
--- a/src/userland/usb/xhci/commands.c
+++ b/src/userland/usb/xhci/commands.c
@@ -44,9 +44,9 @@
 }
 
 void *xhciGetDescriptor(SlotXHCI *slot, uint32_t value, uint32_t index,
-                             void *buffer) {
+                             void *buffer, uint8_t recepient) {
     XHCISetupStageTRB setup = {0};
-    setup.requestType = 0x80;
+    setup.requestType = 0x80 | recepient;
     setup.request = 6;
     setup.value = value;
     setup.index = index;

diff --git a/src/userland/hid/main.c b/src/userland/hid/main.c
index bbf449d..42389f7 100644
--- a/src/userland/hid/main.c
+++ b/src/userland/hid/main.c
@@ -21,12 +21,11 @@
 
 void hidListening(HIDDevice *device) {
     while (1) {
-        request(device->serviceId, device->normalFunction, device->deviceId, getPhysicalAddress(device->buffer));
+        request(device->serviceId, device->normalFunction, device->deviceId, U32(getPhysicalAddress(device->buffer)));
         MouseReport *report = device->buffer;
         moveRelative((int32_t) report->x, (int32_t)report->y);
         updateButtons(report->buttons, 0);
         // todo: sleep for at least endpoint->interval?
-        // todo: start this loop in a fork?
         sleep(10);
     }
 }
@@ -38,6 +37,7 @@
     device->buffer = malloc(0x1000);
     device->normalFunction = getFunction(serviceId, "hid_normal");
     fork(hidListening, device, 0, 0);
+    return 0;
 }
 
 void initialize() {
diff --git a/src/userland/usb/include/usb.h b/src/userland/usb/include/usb.h
index 1bfbd4d..9277af1 100644
--- a/src/userland/usb/include/usb.h
+++ b/src/userland/usb/include/usb.h
@@ -64,7 +64,7 @@
 typedef struct {
     uint32_t pciClass;
     void *(*initialize)(uint32_t, uint32_t, uint32_t);
-    void (*getDescriptor)(void *, uint32_t, uint32_t, void *);
+    void (*getDescriptor)(void *, uint32_t, uint32_t, void *, uint8_t);
     void (*setupEndpointsStart)(void *, uint32_t);
     void (*setupEndpointsEnd)(void *, uint32_t);
     void (*setupHID)(void *, uint32_t, void *);
diff --git a/src/userland/usb/main.c b/src/userland/usb/main.c
index cdc9411..77f77e3 100644
--- a/src/userland/usb/main.c
+++ b/src/userland/usb/main.c
@@ -13,7 +13,7 @@
 char *usbReadString(UsbSlot *slot, uint32_t language, uint32_t stringDescriptor,
                     void *buffer) {
     slot->interface->getDescriptor(slot->data, 3 << 8 | stringDescriptor, language,
-                           buffer);
+                           buffer, 0);
     uint32_t length = ((*(uint8_t *)buffer) - 2) / 2;
     char *string = malloc(length);
     for (uint32_t i = 0; i < length; i++) {
@@ -77,12 +77,12 @@
     printf("--------\n");
     void *buffer = requestMemory(1, 0, 0);
     UsbDeviceDescriptor *descriptor = malloc(sizeof(UsbDeviceDescriptor));
-    slot->interface->getDescriptor(slot->data, 1 << 8, 0, buffer);
+    slot->interface->getDescriptor(slot->data, 1 << 8, 0, buffer, 0);
     memcpy(buffer, (void *)descriptor, sizeof(UsbDeviceDescriptor));
     printf("port %i: usb version %x.%x, %i supported configuration(s)\n",
            slot->portIndex, descriptor->usbVersion >> 8,
            descriptor->usbVersion & 0xFF, descriptor->configurationCount);
-    slot->interface->getDescriptor(slot->data, 3 << 8, 0, buffer);
+    slot->interface->getDescriptor(slot->data, 3 << 8, 0, buffer, 0);
     uint32_t language = *((uint16_t *)(buffer + 2));
     char *manufacturer = usbReadString(
         slot, language, descriptor->manufacturerStringDescriptor, buffer);
@@ -93,7 +93,7 @@
     printf("port %i: manufacturer:%s, device:%s, serial:%s\n", slot->portIndex,
            manufacturer, device, serial);
 
-    slot->interface->getDescriptor(slot->data, 2 << 8, 0, buffer);
+    slot->interface->getDescriptor(slot->data, 2 << 8, 0, buffer, 0);
     UsbConfigurationDescriptor *configuration = malloc(((uint16_t *)buffer)[1]);
     memcpy(buffer, configuration, ((uint16_t *)buffer)[1]);
     char *configurationString = usbReadString(
diff --git a/src/userland/usb/xhci/commands.c b/src/userland/usb/xhci/commands.c
index 6669a67..d2f0055 100644
--- a/src/userland/usb/xhci/commands.c
+++ b/src/userland/usb/xhci/commands.c
@@ -44,9 +44,9 @@
 }
 
 void *xhciGetDescriptor(SlotXHCI *slot, uint32_t value, uint32_t index,
-                             void *buffer) {
+                             void *buffer, uint8_t recepient) {
     XHCISetupStageTRB setup = {0};
-    setup.requestType = 0x80;
+    setup.requestType = 0x80 | recepient;
     setup.request = 6;
     setup.value = value;
     setup.index = index;
diff --git a/src/userland/usb/xhci/commands.h b/src/userland/usb/xhci/commands.h
index 8065075..94d878c 100644
--- a/src/userland/usb/xhci/commands.h
+++ b/src/userland/usb/xhci/commands.h
@@ -16,7 +16,7 @@
 extern uint32_t requestSlotIndex(XHCIController *controller);
 
 extern void *xhciGetDescriptor(SlotXHCI *slot, uint32_t value,
-                                    uint32_t index, void *buffer);
+                                    uint32_t index, void *buffer, uint8_t recepient);
 
 extern TrbRing *createSlotTRB(SlotXHCI *slot);