/*
 * ws2san.h
 *
 * WinSock Direct (SAN) support
 *
 * This file is part of the w32api package.
 *
 * Contributors:
 *   Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
 *
 * THIS SOFTWARE IS NOT COPYRIGHTED
 *
 * This source code is offered for use in the public domain. You may
 * use, modify or distribute it freely.
 *
 * This code is distributed in the hope that it will be useful but
 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 * DISCLAIMED. This includes but is not limited to warranties of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 */

#ifndef __WS2SAN_H
#define __WS2SAN_H

#if __GNUC__ >=3
#pragma GCC system_header
#endif

#ifdef __cplusplus
extern "C" {
#endif

#include <winsock2.h>
#include "ntddk.h"


#define WSPAPI STDCALL

/* FIXME: Unknown definitions */
typedef PVOID LPWSPDATA;
typedef PDWORD LPWSATHREADID;
typedef PVOID LPWSPPROC_TABLE;
typedef struct _WSPUPCALLTABLEEX WSPUPCALLTABLEEX;
typedef WSPUPCALLTABLEEX *LPWSPUPCALLTABLEEX;

#define SO_MAX_RDMA_SIZE                  0x700D
#define SO_RDMA_THRESHOLD_SIZE            0x700E

#define WSAID_REGISTERMEMORY \
  {0xC0B422F5, 0xF58C, 0x11d1, {0xAD, 0x6C, 0x00, 0xC0, 0x4F, 0xA3, 0x4A, 0x2D}}

#define WSAID_DEREGISTERMEMORY \
  {0xC0B422F6, 0xF58C, 0x11d1, {0xAD, 0x6C, 0x00, 0xC0, 0x4F, 0xA3, 0x4A, 0x2D}}

#define WSAID_REGISTERRDMAMEMORY \
  {0xC0B422F7, 0xF58C, 0x11d1, {0xAD, 0x6C, 0x00, 0xC0, 0x4F, 0xA3, 0x4A, 0x2D}}

#define WSAID_DEREGISTERRDMAMEMORY \
  {0xC0B422F8, 0xF58C, 0x11d1, {0xAD, 0x6C, 0x00, 0xC0, 0x4F, 0xA3, 0x4A, 0x2D}}

#define WSAID_RDMAWRITE \
  {0xC0B422F9, 0xF58C, 0x11d1, {0xAD, 0x6C, 0x00, 0xC0, 0x4F, 0xA3, 0x4A, 0x2D}}

#define WSAID_RDMAREAD \
  {0xC0B422FA, 0xF58C, 0x11d1, {0xAD, 0x6C, 0x00, 0xC0, 0x4F, 0xA3, 0x4A, 0x2D}}

#define WSAID_MEMORYREGISTRATIONCACHECALLBACK \
  {0xE5DA4AF8, 0xD824, 0x48CD, {0xA7, 0x99, 0x63, 0x37, 0xA9, 0x8E, 0xD2, 0xAF}}

typedef struct _WSABUFEX {
  u_long  len; 
  char FAR  *buf; 
  HANDLE  handle; 
} WSABUFEX, FAR * LPWSABUFEX;

#if 0
typedef struct _WSPUPCALLTABLEEX {
  LPWPUCLOSEEVENT  lpWPUCloseEvent;
  LPWPUCLOSESOCKETHANDLE  lpWPUCloseSocketHandle;
  LPWPUCREATEEVENT  lpWPUCreateEvent;
  LPWPUCREATESOCKETHANDLE  lpWPUCreateSocketHandle;
  LPWPUFDISSET  lpWPUFDIsSet;
  LPWPUGETPROVIDERPATH  lpWPUGetProviderPath;
  LPWPUMODIFYIFSHANDLE  lpWPUModifyIFSHandle;
  LPWPUPOSTMESSAGE  lpWPUPostMessage;
  LPWPUQUERYBLOCKINGCALLBACK  lpWPUQueryBlockingCallback;
  LPWPUQUERYSOCKETHANDLECONTEXT  lpWPUQuerySocketHandleContext;
  LPWPUQUEUEAPC  lpWPUQueueApc;
  LPWPURESETEVENT  lpWPUResetEvent;
  LPWPUSETEVENT  lpWPUSetEvent;
  LPWPUOPENCURRENTTHREAD  lpWPUOpenCurrentThread;
  LPWPUCLOSETHREAD  lpWPUCloseThread;
  LPWPUCOMPLETEOVERLAPPEDREQUEST lpWPUCompleteOverlappedRequest;
} WSPUPCALLTABLEEX, FAR * LPWSPUPCALLTABLEEX;
#endif

int WSPAPI
WSPStartupEx(
  /*IN*/ WORD  wVersionRequested,
  /*OUT*/ LPWSPDATA  lpWSPData,
  /*IN*/ LPWSAPROTOCOL_INFOW  lpProtocolInfo,
  /*IN*/ LPWSPUPCALLTABLEEX  lpUpcallTable,
  /*OUT*/ LPWSPPROC_TABLE  lpProcTable);

typedef int WSPAPI
(*LPWSPSTARTUPEX)(
  /*IN*/ WORD  wVersionRequested,
  /*OUT*/ LPWSPDATA  lpWSPData,
  /*IN*/ LPWSAPROTOCOL_INFOW  lpProtocolInfo,
  /*IN*/ LPWSPUPCALLTABLEEX  lpUpcallTable,
  /*OUT*/ LPWSPPROC_TABLE  lpProcTable);

#define MEM_READ                          1
#define MEM_WRITE                         2
#define MEM_READWRITE                     3

int WSPAPI
WSPDeregisterMemory(
  /*IN*/ SOCKET  s,
  /*IN*/ HANDLE  Handle,
  /*OUT*/ LPINT  lpErrno);

typedef int WSPAPI
(*LPFN_WSPDEREGISTERMEMORY)(
  /*IN*/ SOCKET  s,
  /*IN*/ HANDLE  Handle,
  /*OUT*/ LPINT  lpErrno);

int WSPAPI
WSPDeregisterRdmaMemory(
  /*IN*/ SOCKET  s,
  /*IN*/ LPVOID  lpRdmaBufferDescriptor,
  /*IN*/ DWORD  dwDescriptorLength,
  /*OUT*/ LPINT  lpErrno);

typedef int WSPAPI
(*LPFN_WSPDEREGISTERRDMAMEMORY)(
  /*IN*/ SOCKET  s,
  /*IN*/ LPVOID  lpRdmaBufferDescriptor,
  /*IN*/ DWORD  dwDescriptorLength,
  /*OUT*/ LPINT  lpErrno);

int WSPAPI
WSPMemoryRegistrationCacheCallback(
  /*IN*/ PVOID  lpvAddress,
  /*IN*/ SIZE_T  Size,
  /*OUT*/ LPINT  lpErrno);

typedef int WSPAPI
(*LPFN_WSPMEMORYREGISTRATIONCACHECALLBACK)(
  /*IN*/ PVOID  lpvAddress,
  /*IN*/ SIZE_T  Size,
  /*OUT*/ LPINT  lpErrno);

int WSPAPI
WSPRdmaRead(
  /*IN*/ SOCKET  s,
  /*IN*/ LPWSABUFEX  lpBuffers,
  /*IN*/ DWORD  dwBufferCount,
  /*IN*/ LPVOID  lpTargetBufferDescriptor,
  /*IN*/ DWORD  dwTargetDescriptorLength,
  /*IN*/ DWORD  dwTargetBufferOffset,
  /*OUT*/ LPDWORD  lpdwNumberOfBytesRead,
  /*IN*/ DWORD  dwFlags,
  /*IN*/ LPWSAOVERLAPPED  lpOverlapped,
  /*IN*/ LPWSAOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine,
  /*IN*/ LPWSATHREADID  lpThreadId,
  /*OUT*/ LPINT  lpErrno);

typedef int WSPAPI
(*LPFN_WSPRDMAREAD)(
  /*IN*/ SOCKET  s,
  /*IN*/ LPWSABUFEX  lpBuffers,
  /*IN*/ DWORD  dwBufferCount,
  /*IN*/ LPVOID  lpTargetBufferDescriptor,
  /*IN*/ DWORD  dwTargetDescriptorLength,
  /*IN*/ DWORD  dwTargetBufferOffset,
  /*OUT*/ LPDWORD  lpdwNumberOfBytesRead,
  /*IN*/ DWORD  dwFlags,
  /*IN*/ LPWSAOVERLAPPED  lpOverlapped,
  /*IN*/ LPWSAOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine,
  /*IN*/ LPWSATHREADID  lpThreadId,
  /*OUT*/ LPINT  lpErrno);

int WSPAPI
WSPRdmaWrite(
  /*IN*/ SOCKET  s,
  /*IN*/ LPWSABUFEX  lpBuffers,
  /*IN*/ DWORD  dwBufferCount,
  /*IN*/ LPVOID  lpTargetBufferDescriptor,
  /*IN*/ DWORD  dwTargetDescriptorLength,
  /*IN*/ DWORD  dwTargetBufferOffset,
  /*OUT*/ LPDWORD  lpdwNumberOfBytesWritten,
  /*IN*/ DWORD  dwFlags,
  /*IN*/ LPWSAOVERLAPPED  lpOverlapped,
  /*IN*/ LPWSAOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine,
  /*IN*/ LPWSATHREADID  lpThreadId,
  /*OUT*/ LPINT  lpErrno);

typedef int WSPAPI
(*LPFN_WSPRDMAWRITE)(
  /*IN*/ SOCKET  s,
  /*IN*/ LPWSABUFEX  lpBuffers,
  /*IN*/ DWORD  dwBufferCount,
  /*IN*/ LPVOID  lpTargetBufferDescriptor,
  /*IN*/ DWORD  dwTargetDescriptorLength,
  /*IN*/ DWORD  dwTargetBufferOffset,
  /*OUT*/ LPDWORD  lpdwNumberOfBytesWritten,
  /*IN*/ DWORD  dwFlags,
  /*IN*/ LPWSAOVERLAPPED  lpOverlapped,
  /*IN*/ LPWSAOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine,
  /*IN*/ LPWSATHREADID  lpThreadId,
  /*OUT*/ LPINT  lpErrno);

HANDLE WSPAPI
WSPRegisterMemory(
  /*IN*/ SOCKET  s,
  /*IN*/ PVOID  lpBuffer,
  /*IN*/ DWORD  dwBufferLength,
  /*IN*/ DWORD  dwFlags,
  /*OUT*/ LPINT  lpErrno);

int WSPAPI
WSPRegisterRdmaMemory(
  /*IN*/ SOCKET  s,
  /*IN*/ PVOID  lpBuffer,
  /*IN*/ DWORD  dwBufferLength,
  /*IN*/ DWORD  dwFlags,
  /*OUT*/ LPVOID  lpRdmaBufferDescriptor,
  /*IN OUT*/ LPDWORD  lpdwDescriptorLength,
  /*OUT*/ LPINT  lpErrno);

typedef int WSPAPI
(*LPFN_WSPREGISTERRDMAMEMORY)(
  /*IN*/ SOCKET  s,
  /*IN*/ PVOID  lpBuffer,
  /*IN*/ DWORD  dwBufferLength,
  /*IN*/ DWORD  dwFlags,
  /*OUT*/ LPVOID  lpRdmaBufferDescriptor,
  /*IN OUT*/ LPDWORD  lpdwDescriptorLength,
  /*OUT*/ LPINT  lpErrno);

#ifdef __cplusplus
}
#endif

#endif /* __WS2SAN_H */