[ros-diffs] 10/77: [USBPORT] Implement USBPORT_InitializeTT().

[Vadim Galyant]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=18702047a16f49053de459...

commit 18702047a16f49053de4597a56879edb357a3a24
Author:     Vadim Galyant [e-mail]
AuthorDate: Mon Nov 27 18:20:28 2017 +0900
Commit:     Amine Khaldi [e-mail]
CommitDate: Sun Jan 21 19:35:38 2018 +0100

[USBPORT] Implement USBPORT_InitializeTT().
---
 drivers/usb/usbport/device.c  | 52 +++++++++++++++++++++++++++++++++++++++++--
 drivers/usb/usbport/usbport.h | 10 ++++++++-
 2 files changed, 59 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/usbport/device.c b/drivers/usb/usbport/device.c
index f7180aaf96..268571fd7f 100644
--- a/drivers/usb/usbport/device.c
+++ b/drivers/usb/usbport/device.c
@@ -1770,7 +1770,55 @@ USBPORT_InitializeTT(IN PDEVICE_OBJECT FdoDevice,
                      IN PUSBPORT_DEVICE_HANDLE HubDeviceHandle,
                      IN ULONG TtNumber)
 {
-    DPRINT1("USBPORT_InitializeTT: UNIMPLEMENTED. FIXME. \n");
+    PUSBPORT_DEVICE_EXTENSION FdoExtension;
+    PUSB2_TT_EXTENSION TtExtension;
+    ULONG ix;
+
+    DPRINT("USBPORT_InitializeTT: HubDeviceHandle - %p, TtNumber - %X\n",
+           HubDeviceHandle,
+           TtNumber);
+
+    FdoExtension = FdoDevice->DeviceExtension;
+
+    TtExtension = ExAllocatePoolWithTag(NonPagedPool,
+                                        sizeof(USB2_TT_EXTENSION),
+                                        USB_PORT_TAG);
+
+    if (!TtExtension)
+    {
+        DPRINT1("USBPORT_InitializeTT: ExAllocatePoolWithTag return NULL\n");
+        return STATUS_INSUFFICIENT_RESOURCES;
+    }
+
+    DPRINT("USBPORT_InitializeTT: TtExtension - %p\n", TtExtension);
+
+    RtlZeroMemory(TtExtension, sizeof(USB2_TT_EXTENSION));
+
+    TtExtension->DeviceAddress = HubDeviceHandle->DeviceAddress;
+    TtExtension->TtNumber = TtNumber;
+    TtExtension->RootHubPdo = FdoExtension->RootHubPdo;
+    TtExtension->BusBandwidth = TOTAL_USB11_BUS_BANDWIDTH;
+
+    InitializeListHead(&TtExtension->TtList);
+
+    /* 90% maximum allowed for periodic endpoints */
+    for (ix = 0; ix < USB2_FRAMES; ix++)
+    {
+        TtExtension->Bandwidth[ix] = TtExtension->BusBandwidth -
+                                     TtExtension->BusBandwidth / 10;
+    }
+
+    USBPORT_UpdateAllocatedBwTt(TtExtension);
+
+    for (ix = 0; ix < USB2_FRAMES; ix++)
+    {
+        FdoExtension->Bandwidth[ix] -= TtExtension->MaxBandwidth;
+    }
+
+    USB2_InitTT(FdoExtension->Usb2Extension, &TtExtension->Tt);
+
+    InsertTailList(&HubDeviceHandle->TtList, &TtExtension->Link);
+
     return STATUS_SUCCESS;
 }

@@ -1783,7 +1831,7 @@ USBPORT_Initialize20Hub(IN PDEVICE_OBJECT FdoDevice,
     NTSTATUS Status;
     ULONG ix;

-    DPRINT("USBPORT_Initialize20Hub \n");
+    DPRINT("USBPORT_Initialize20Hub: TtCount - %X\n", TtCount);

if (!HubDeviceHandle)
     {
diff --git a/drivers/usb/usbport/usbport.h b/drivers/usb/usbport/usbport.h
index 93c71a9516..026b297f17 100644
--- a/drivers/usb/usbport/usbport.h
+++ b/drivers/usb/usbport/usbport.h
@@ -194,6 +194,7 @@ typedef struct _USBPORT_DEVICE_HANDLE {
   LIST_ENTRY DeviceHandleLink;
   LONG DeviceHandleLock;
   ULONG TtCount;
+  LIST_ENTRY TtList;
 } USBPORT_DEVICE_HANDLE, *PUSBPORT_DEVICE_HANDLE;

typedef struct _USBPORT_ENDPOINT {
@@ -379,10 +380,11 @@ typedef struct _USBPORT_DEVICE_EXTENSION {
   KDPC HcWakeDpc;
   /* Usb 2.0 HC Extension */
   PUSB2_HC_EXTENSION Usb2Extension;
+  ULONG Bandwidth[32];

/* Miniport extension should be aligned on 0x100 */
 #if !defined(_M_X64)
-  ULONG Padded[33];
+  ULONG Padded[1];
 #else
   ULONG Padded[0];
 #endif
@@ -1294,6 +1296,12 @@ USBPORT_FreeBandwidthUSB2(
   IN PDEVICE_OBJECT FdoDevice,
   IN PUSBPORT_ENDPOINT Endpoint);

+VOID
+NTAPI
+USB2_InitTT(
+  IN PUSB2_HC_EXTENSION HcExtension,
+  IN PUSB2_TT Tt);
+
 VOID
 NTAPI
 USB2_InitController(