From e611b132f9b8abe35b362e5870b74bce94a1e58e Mon Sep 17 00:00:00 2001
From: Adam <you@example.com>
Date: Sat, 16 May 2020 20:51:50 -0700
Subject: initial commit

---
 public/sdk/inc/nt_vdd.h | 215 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 215 insertions(+)
 create mode 100644 public/sdk/inc/nt_vdd.h

(limited to 'public/sdk/inc/nt_vdd.h')

diff --git a/public/sdk/inc/nt_vdd.h b/public/sdk/inc/nt_vdd.h
new file mode 100644
index 000000000..b521e6e12
--- /dev/null
+++ b/public/sdk/inc/nt_vdd.h
@@ -0,0 +1,215 @@
+/*
+ *  nt_vdd.h
+ *
+ *  VDD services exports and defines
+ *
+ */
+
+#ifndef _NT_VDD
+
+#define _NT_VDD
+
+
+/**
+ * IO port service prototypes and data structure definitions
+ **/
+
+/** Basic typedefs of VDD IO hooks **/
+
+typedef VOID (*PFNVDD_INB)   (WORD iport,BYTE * data);
+typedef VOID (*PFNVDD_INW)   (WORD iport,WORD * data);
+typedef VOID (*PFNVDD_INSB)  (WORD iport,BYTE * data,WORD count);
+typedef VOID (*PFNVDD_INSW)  (WORD iport,WORD * data,WORD count);
+typedef VOID (*PFNVDD_OUTB)  (WORD iport,BYTE data);
+typedef VOID (*PFNVDD_OUTW)  (WORD iport,WORD data);
+typedef VOID (*PFNVDD_OUTSB) (WORD iport,BYTE * data,WORD count);
+typedef VOID (*PFNVDD_OUTSW) (WORD iport,WORD * data,WORD count);
+
+/**  Array of handlers for VDD IO hooks. **/
+
+typedef struct _VDD_IO_HANDLERS {
+    PFNVDD_INB	 inb_handler;
+    PFNVDD_INW	 inw_handler;
+    PFNVDD_INSB	 insb_handler;
+    PFNVDD_INSW	 insw_handler;
+    PFNVDD_OUTB	 outb_handler;
+    PFNVDD_OUTW	 outw_handler;
+    PFNVDD_OUTSB outsb_handler;
+    PFNVDD_OUTSW outsw_handler;
+} VDD_IO_HANDLERS, *PVDD_IO_HANDLERS;
+
+/** Port Range structure **/
+
+typedef struct _VDD_IO_PORTRANGE {
+        WORD   First;
+        WORD   Last;
+} VDD_IO_PORTRANGE, *PVDD_IO_PORTRANGE;
+
+
+BOOL VDDInstallIOHook (
+     HANDLE            hVDD,
+     WORD              cPortRange,
+     PVDD_IO_PORTRANGE pPortRange,
+     PVDD_IO_HANDLERS  IOhandler
+);
+
+
+VOID VDDDeInstallIOHook (
+     HANDLE            hVdd,
+     WORD              cPortRange,
+     PVDD_IO_PORTRANGE pPortRange
+);
+
+
+WORD VDDReserveIrqLine (
+     HANDLE hVdd,
+     WORD IrqLine
+     );
+
+BOOL VDDReleaseIrqLine (
+     HANDLE hVdd,
+     WORD IrqLine
+     );
+
+/**
+ * DMA service prototypes and data structure definitions
+ **/
+
+
+/** Buffer definition for returning DMA information **/
+
+typedef struct _VDD_DMA_INFO {
+    WORD    addr;
+    WORD    count;
+    WORD    page;
+    BYTE    status;
+    BYTE    mode;
+    BYTE    mask;
+} VDD_DMA_INFO, *PVDD_DMA_INFO;
+
+/** bits for querying the DMA information **/
+
+#define VDD_DMA_ADDR    0x01
+#define VDD_DMA_COUNT   0x02
+#define VDD_DMA_PAGE    0x04
+#define VDD_DMA_STATUS  0x08
+#define VDD_DMA_ALL VDD_DMA_ADDR | VDD_DMA_COUNT | VDD_DMA_PAGE | VDD_DMA_STATUS
+
+
+DWORD VDDRequestDMA (
+    HANDLE hVDD,
+    WORD  iChannel,
+    PVOID Buffer,
+    DWORD  length
+);
+
+
+BOOL VDDSetDMA (
+    HANDLE hVDD,
+    WORD iChannel,
+    WORD fDMA,
+    PVDD_DMA_INFO Buffer
+);
+
+
+BOOL VDDQueryDMA (
+     HANDLE        hVDD,
+     WORD          iChannel,
+     PVDD_DMA_INFO pDmaInfo
+);
+
+
+/**
+ * Memory mapped I/O service prototypes and data structure definitions
+ **/
+
+typedef VOID (*PVDD_MEMORY_HANDLER) (PVOID FaultAddress, ULONG RWMode);
+
+BOOL VDDInstallMemoryHook (
+   HANDLE hVDD,
+   PVOID pStart,
+   DWORD count,
+   PVDD_MEMORY_HANDLER MemoryHandler
+);
+
+BOOL VDDDeInstallMemoryHook (
+   HANDLE hVDD,
+   PVOID pStart,
+   DWORD count
+);
+
+BOOL VDDAllocMem(
+  HANDLE hVDD,
+  PVOID	Address,
+  DWORD	Size
+);
+
+
+BOOL VDDFreeMem(
+  HANDLE hVDD,
+  PVOID	Address,
+  DWORD	Size
+);
+
+/**
+ * Misc. service prototypes and data structure definitions
+ **/
+
+
+BOOL VDDIncludeMem(
+  HANDLE hVDD,
+  PVOID	Address,
+  DWORD	Size
+);
+
+
+VOID VDDTerminateVDM();
+
+/** Basic typedefs of VDD User hooks **/
+
+typedef VOID (*PFNVDD_UCREATE)	    (USHORT DosPDB);
+typedef VOID (*PFNVDD_UTERMINATE)   (USHORT DosPDB);
+typedef VOID (*PFNVDD_UBLOCK)	    (VOID);
+typedef VOID (*PFNVDD_URESUME)	    (VOID);
+
+/**  Array of handlers for VDD User hooks. **/
+
+typedef struct _VDD_USER_HANDLERS {
+    HANDLE		hvdd;
+    PFNVDD_UCREATE	ucr_handler;
+    PFNVDD_UTERMINATE	uterm_handler;
+    PFNVDD_UBLOCK	ublock_handler;
+    PFNVDD_URESUME	uresume_handler;
+    struct _VDD_USER_HANDLERS *next;
+} VDD_USER_HANDLERS, *PVDD_USER_HANDLERS;
+
+/** Function prototypes **/
+
+BOOL VDDInstallUserHook (
+     HANDLE		hVDD,
+     PFNVDD_UCREATE	Ucr_Handler,
+     PFNVDD_UTERMINATE	Uterm_Handler,
+     PFNVDD_UBLOCK	Ublock_handler,
+     PFNVDD_URESUME	Uresume_handler
+);
+
+
+BOOL VDDDeInstallUserHook (
+     HANDLE	       hVdd
+);
+
+VOID VDDTerminateUserHook(USHORT DosPDB);
+VOID VDDCreateUserHook(USHORT DosPDB);
+VOID VDDBlockUserHook(VOID);
+VOID VDDResumeUserHook(VOID);
+
+VOID VDDSimulate16(VOID);
+
+
+SHORT  VDDAllocateDosHandle(ULONG pPDB, PVOID* ppSFT, PVOID* ppJFT);
+VOID   VDDAssociateNtHandle(PVOID pSFT, HANDLE h32File, WORD wAccess);
+BOOL   VDDReleaseDosHandle (ULONG pPDB, SHORT hFile);
+HANDLE VDDRetrieveNtHandle (ULONG pPDB, SHORT hFile, PVOID* ppSFT, PVOID* ppJFT);
+
+
+#endif	// ifndef _NT_VDD
-- 
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