From 2389bcbed159323ed321e0a83e6e5591a749a3e3 Mon Sep 17 00:00:00 2001
From: Aiken Harris <harraiken91@gmail.com>
Date: Fri, 3 Jul 2026 15:58:44 +0200
Subject: [PATCH] Introduce device queue structures

---
 sdk/xtdk/amd64/ketypes.h  | 18 ++++++++++++++++++
 sdk/xtdk/amd64/xtstruct.h |  1 +
 sdk/xtdk/i686/ketypes.h   | 10 ++++++++++
 sdk/xtdk/i686/xtstruct.h  |  1 +
 sdk/xtdk/ketypes.h        |  8 ++++++++
 sdk/xtdk/xtstruct.h       |  1 +
 6 files changed, 39 insertions(+)

diff --git a/sdk/xtdk/amd64/ketypes.h b/sdk/xtdk/amd64/ketypes.h
index 104dfd9..5e8fd34 100644
--- a/sdk/xtdk/amd64/ketypes.h
+++ b/sdk/xtdk/amd64/ketypes.h
@@ -311,6 +311,24 @@ typedef struct _KDESCRIPTOR
     PVOID Base;
 } KDESCRIPTOR, *PKDESCRIPTOR;
 
+/* Device Queue structure definition */
+typedef struct _KDEVICE_QUEUE
+{
+    CSHORT Type;
+    CSHORT Size;
+    LIST_ENTRY DeviceListHead;
+    KSPIN_LOCK Lock;
+    union
+    {
+      BOOLEAN Busy;
+      struct
+      {
+        LONGLONG Reserved:8;
+        LONGLONG Hint:56;
+      };
+    };
+} KDEVICE_QUEUE, *PKDEVICE_QUEUE;
+
 /* Global Descriptor Table (GDT) entry union definition */
 typedef struct _KGDTENTRY
 {
diff --git a/sdk/xtdk/amd64/xtstruct.h b/sdk/xtdk/amd64/xtstruct.h
index a393a95..de212bc 100644
--- a/sdk/xtdk/amd64/xtstruct.h
+++ b/sdk/xtdk/amd64/xtstruct.h
@@ -50,6 +50,7 @@ typedef struct _HARDWARE_PTE HARDWARE_PTE, *PHARDWARE_PTE;
 typedef struct _HPET_REGISTERS HPET_REGISTERS, *PHPET_REGISTERS;
 typedef struct _IOAPIC_DATA IOAPIC_DATA, *PIOAPIC_DATA;
 typedef struct _KDESCRIPTOR KDESCRIPTOR, *PKDESCRIPTOR;
+typedef struct _KDEVICE_QUEUE KDEVICE_QUEUE, *PKDEVICE_QUEUE;
 typedef struct _KEXCEPTION_FRAME KEXCEPTION_FRAME, *PKEXCEPTION_FRAME;
 typedef struct _KGDTENTRY KGDTENTRY, *PKGDTENTRY;
 typedef struct _KIDTENTRY KIDTENTRY, *PKIDTENTRY;
diff --git a/sdk/xtdk/i686/ketypes.h b/sdk/xtdk/i686/ketypes.h
index 6bce74f..3e5c174 100644
--- a/sdk/xtdk/i686/ketypes.h
+++ b/sdk/xtdk/i686/ketypes.h
@@ -319,6 +319,16 @@ typedef struct _KDESCRIPTOR
     PVOID Base;
 } KDESCRIPTOR, *PKDESCRIPTOR;
 
+/* Device Queue structure definition */
+typedef struct _KDEVICE_QUEUE
+{
+    CSHORT Type;
+    CSHORT Size;
+    LIST_ENTRY DeviceListHead;
+    KSPIN_LOCK Lock;
+    BOOLEAN Busy;
+} KDEVICE_QUEUE, *PKDEVICE_QUEUE;
+
 /* Global Descriptor Table (GDT) entry structure definition */
 typedef struct _KGDTENTRY
 {
diff --git a/sdk/xtdk/i686/xtstruct.h b/sdk/xtdk/i686/xtstruct.h
index 8fdadb8..4d26ce4 100644
--- a/sdk/xtdk/i686/xtstruct.h
+++ b/sdk/xtdk/i686/xtstruct.h
@@ -53,6 +53,7 @@ typedef struct _HARDWARE_MODERN_PTE HARDWARE_MODERN_PTE, *PHARDWARE_MODERN_PTE;
 typedef struct _HPET_REGISTERS HPET_REGISTERS, *PHPET_REGISTERS;
 typedef struct _IOAPIC_DATA IOAPIC_DATA, *PIOAPIC_DATA;
 typedef struct _KDESCRIPTOR KDESCRIPTOR, *PKDESCRIPTOR;
+typedef struct _KDEVICE_QUEUE KDEVICE_QUEUE, *PKDEVICE_QUEUE;
 typedef struct _KEXCEPTION_FRAME KEXCEPTION_FRAME, *PKEXCEPTION_FRAME;
 typedef struct _KGDTENTRY KGDTENTRY, *PKGDTENTRY;
 typedef struct _KIDTENTRY KIDTENTRY, *PKIDTENTRY;
diff --git a/sdk/xtdk/ketypes.h b/sdk/xtdk/ketypes.h
index 53d67d7..80fea0f 100644
--- a/sdk/xtdk/ketypes.h
+++ b/sdk/xtdk/ketypes.h
@@ -458,6 +458,14 @@ typedef struct _KAPC_STATE
     BOOLEAN UserApcPending;
 } KAPC_STATE, *PKAPC_STATE;
 
+/* Device queue entry structure definition */
+typedef struct _KDEVICE_QUEUE_ENTRY
+{
+    LIST_ENTRY DeviceListEntry;
+    ULONG SortKey;
+    BOOLEAN Inserted;
+} KDEVICE_QUEUE_ENTRY, *PKDEVICE_QUEUE_ENTRY;
+
 /* Mutex object structure definition */
 typedef struct _KMUTEX
 {
diff --git a/sdk/xtdk/xtstruct.h b/sdk/xtdk/xtstruct.h
index 2acf11f..9570176 100644
--- a/sdk/xtdk/xtstruct.h
+++ b/sdk/xtdk/xtstruct.h
@@ -266,6 +266,7 @@ typedef struct _KD_DEBUG_MODE KD_DEBUG_MODE, *PKD_DEBUG_MODE;
 typedef struct _KD_DISPATCH_TABLE KD_DISPATCH_TABLE, *PKD_DISPATCH_TABLE;
 typedef struct _KDPC KDPC, *PKDPC;
 typedef struct _KDPC_DATA KDPC_DATA, *PKDPC_DATA;
+typedef struct _KDEVICE_QUEUE_ENTRY KDEVICE_QUEUE_ENTRY, *PKDEVICE_QUEUE_ENTRY;
 typedef struct _KERNEL_INITIALIZATION_BLOCK KERNEL_INITIALIZATION_BLOCK, *PKERNEL_INITIALIZATION_BLOCK;
 typedef struct _KEVENT KEVENT, *PKEVENT;
 typedef struct _KLOCK_QUEUE_HANDLE KLOCK_QUEUE_HANDLE, *PKLOCK_QUEUE_HANDLE;