source: trunk/src/kernel32/hmdevio.cpp@ 2952

Last change on this file since 2952 was 2952, checked in by sandervl, 25 years ago

Fix for GpdDev device io (needed for native glide dll)
File size: 11.5 KB
Line 
1/* $Id: hmdevio.cpp,v 1.3 2000-02-29 22:44:02 sandervl Exp $ */
2
3/*
4 * Win32 Device IOCTL API functions for OS/2
5 *
6 * Copyright 1998 Sander van Leeuwen
7 *
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12#define INCL_DOSPROFILE
13#define INCL_DOSDEVICES
14#define INCL_DOSDEVIOCTL
15#define INCL_GPI
16#define INCL_DOSFILEMGR /* File Manager values */
17#define INCL_DOSERRORS /* DOS Error values */
18#define INCL_DOSPROCESS /* DOS Process values */
19#define INCL_DOSMISC /* DOS Miscellanous values */
20#include <os2wrap.h> //Odin32 OS/2 api wrappers
21#include <string.h>
22
23#include <win32type.h>
24#include <misc.h>
25#include "hmdevio.h"
26#include "cio.h"
27#include "map.h"
28#include "exceptutil.h"
29
30#define DBG_LOCALLOG DBG_hmdevio
31#include "dbglocal.h"
32
33static fX86Init = FALSE;
34//SvL: Used in iccio.asm (how can you put these in the .asm data segment without messing things up?)
35ULONG ioentry = 0;
36USHORT gdt = 0;
37char devname[] = "/dev/fastio$";
38
39static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
40static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
41static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
42
43static WIN32DRV knownDriver[] =
44 {{"\\\\.\\GpdDev", "", TRUE, 666, GpdDevIOCtl},
45 { "\\\\.\\MAPMEM", "PMAP$", FALSE, 0, MAPMEMIOCtl},
46 { "FXMEMMAP.VXD", "PMAP$", FALSE, 0, FXMEMMAPIOCtl}};
47
48static int nrKnownDrivers = sizeof(knownDriver)/sizeof(WIN32DRV);
49
50//******************************************************************************
51//******************************************************************************
52void RegisterDevices()
53{
54 HMDeviceDriver *driver;
55 DWORD rc;
56
57 for(int i=0;i<nrKnownDrivers;i++)
58 {
59 driver = new HMDeviceDriver(knownDriver[i].szWin32Name,
60 knownDriver[i].szOS2Name,
61 knownDriver[i].fCreateFile,
62 knownDriver[i].devIOCtl);
63
64 rc = HMDeviceRegister(knownDriver[i].szWin32Name, driver);
65 if (rc != NO_ERROR) /* check for errors */
66 dprintf(("KERNEL32:RegisterDevices: registering %s failed with %u.\n",
67 knownDriver[i].szWin32Name, rc));
68 }
69 return;
70}
71//******************************************************************************
72//******************************************************************************
73HMDeviceDriver::HMDeviceDriver(LPCSTR lpDeviceName, LPSTR lpOS2DevName, BOOL fCreate,
74 WINIOCTL pDevIOCtl)
75 : HMDeviceKernelObjectClass(lpDeviceName)
76{
77 this->fCreateFile = fCreateFile;
78 this->szOS2Name = lpOS2DevName;
79 this->devIOCtl = pDevIOCtl;
80}
81//******************************************************************************
82//******************************************************************************
83DWORD HMDeviceDriver::CreateFile (LPCSTR lpFileName,
84 PHMHANDLEDATA pHMHandleData,
85 PVOID lpSecurityAttributes,
86 PHMHANDLEDATA pHMHandleDataTemplate)
87{
88 APIRET rc;
89 HFILE hfFileHandle = 0L; /* Handle for file being manipulated */
90 ULONG ulAction = 0; /* Action taken by DosOpen */
91 ULONG sharetype = 0;
92
93 if(pHMHandleData->dwAccess & (GENERIC_READ | GENERIC_WRITE))
94 sharetype |= OPEN_ACCESS_READWRITE;
95 else
96 if(pHMHandleData->dwAccess & GENERIC_WRITE)
97 sharetype |= OPEN_ACCESS_WRITEONLY;
98
99 if(pHMHandleData->dwShare == 0)
100 sharetype |= OPEN_SHARE_DENYREADWRITE;
101 else
102 if(pHMHandleData->dwShare & (FILE_SHARE_READ | FILE_SHARE_WRITE))
103 sharetype |= OPEN_SHARE_DENYNONE;
104 else
105 if(pHMHandleData->dwShare & FILE_SHARE_WRITE)
106 sharetype |= OPEN_SHARE_DENYREAD;
107 else
108 if(pHMHandleData->dwShare & FILE_SHARE_READ)
109 sharetype |= OPEN_SHARE_DENYWRITE;
110
111 if(szOS2Name[0] == 0) {
112 pHMHandleData->hHMHandle = 0;
113 return (NO_ERROR);
114 }
115
116 rc = DosOpen( szOS2Name, /* File path name */
117 &hfFileHandle, /* File handle */
118 &ulAction, /* Action taken */
119 0,
120 FILE_NORMAL,
121 FILE_OPEN,
122 sharetype,
123 0L); /* No extended attribute */
124
125 dprintf(("DosOpen %s returned %d\n", szOS2Name, rc));
126
127 if(rc == NO_ERROR) {
128 pHMHandleData->hHMHandle = hfFileHandle;
129 return (NO_ERROR);
130 }
131 else return(rc);
132}
133//******************************************************************************
134//******************************************************************************
135DWORD HMDeviceDriver::CloseHandle(PHMHANDLEDATA pHMHandleData)
136{
137 return DosClose(pHMHandleData->hHMHandle);
138}
139//******************************************************************************
140//******************************************************************************
141BOOL HMDeviceDriver::DeviceIoControl(PHMHANDLEDATA pHMHandleData, DWORD dwIoControlCode,
142 LPVOID lpInBuffer, DWORD nInBufferSize,
143 LPVOID lpOutBuffer, DWORD nOutBufferSize,
144 LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
145{
146 return devIOCtl(pHMHandleData->hHMHandle, dwIoControlCode, lpInBuffer, nInBufferSize,
147 lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped);
148}
149//******************************************************************************
150//******************************************************************************
151static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
152{
153 ULONG port, val = 0;
154
155 if(fX86Init == FALSE) {
156 if(io_init() == 0)
157 fX86Init = TRUE;
158 else return(FALSE);
159 }
160
161 *lpBytesReturned = 0;
162
163 port = ((GENPORT_WRITE_INPUT *)lpInBuffer)->PortNumber;
164
165 switch((dwIoControlCode >> 2) & 0xFFF) {
166 case IOCTL_GPD_READ_PORT_UCHAR:
167 if(nOutBufferSize < sizeof(char))
168 return(FALSE);
169
170 val = c_inb(port);
171 *(char *)lpOutBuffer = val;
172 *lpBytesReturned = sizeof(char);
173 break;
174 case IOCTL_GPD_READ_PORT_USHORT:
175 if(nOutBufferSize < sizeof(USHORT))
176 return(FALSE);
177
178 val = c_inw(port);
179 *(USHORT *)lpOutBuffer = val;
180 *lpBytesReturned = sizeof(USHORT);
181 break;
182 case IOCTL_GPD_READ_PORT_ULONG:
183 if(nOutBufferSize < sizeof(ULONG))
184 return(FALSE);
185
186 val = c_inl(port);
187 *(ULONG *)lpOutBuffer = val;
188 *lpBytesReturned = sizeof(ULONG);
189 break;
190 case IOCTL_GPD_WRITE_PORT_UCHAR:
191 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->CharData;
192 c_outb(port, val);
193 break;
194 case IOCTL_GPD_WRITE_PORT_USHORT:
195 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->ShortData;
196 c_outw(port, val);
197 break;
198 case IOCTL_GPD_WRITE_PORT_ULONG:
199 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->LongData;
200 c_outl(port, val);
201 break;
202 default:
203 dprintf(("GpdDevIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
204 return(FALSE);
205 }
206
207 return(TRUE);
208}
209//******************************************************************************
210//******************************************************************************
211static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
212{
213 PHYSICAL_MEMORY_INFO *meminfo = (PHYSICAL_MEMORY_INFO *)lpInBuffer;
214 struct map_ioctl memmap;
215
216 *lpBytesReturned = 0;
217
218 switch((dwIoControlCode >> 2) & 0xFFF) {
219 case IOCTL_MAPMEM_MAP_USER_PHYSICAL_MEMORY:
220 if(nInBufferSize != sizeof(PHYSICAL_MEMORY_INFO))
221 return(FALSE);
222
223 memmap.a.phys = meminfo->BusAddress.u.LowPart;
224 memmap.size = meminfo->Length;
225 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
226 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
227 dprintf(("mpioctl failed!\n"));
228 return(FALSE);
229 }
230
231 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
232 *(ULONG *)lpOutBuffer = (ULONG)memmap.a.user;
233 break;
234 case IOCTL_MAPMEM_UNMAP_USER_PHYSICAL_MEMORY:
235 dprintf(("Unmap mapping %X\n", *(ULONG *)lpInBuffer));
236 memmap.a.phys = *(ULONG *)lpInBuffer;
237 memmap.size = 0;
238 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1)
239 return(FALSE);
240 break;
241 default:
242 dprintf(("MAPMEMIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
243 return(FALSE);
244 }
245
246 return(TRUE);
247}
248//******************************************************************************
249//******************************************************************************
250static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
251{
252 struct map_ioctl memmap;
253 MAPDEVREQUEST *vxdmem = (MAPDEVREQUEST *)lpInBuffer;
254
255 switch(dwIoControlCode) {
256 case 1:
257 break;
258 case 2:
259 memmap.a.phys = (DWORD)vxdmem->mdr_PhysicalAddress;
260 memmap.size = vxdmem->mdr_SizeInBytes;
261 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
262 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
263 dprintf(("mpioctl failed!\n"));
264 return(FALSE);
265 }
266
267 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
268 vxdmem->mdr_LinearAddress = (PVOID)memmap.a.user;
269 break;
270 default:
271 dprintf(("FXMEMMAPIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
272 return(FALSE);
273 }
274
275 return(TRUE);
276}
277//******************************************************************************
278//******************************************************************************
279BOOL WIN32API QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
280{
281 QWORD time;
282 APIRET rc;
283
284 rc = DosTmrQueryTime(&time);
285 if(rc) {
286 dprintf(("DosTmrQueryTime returned %d\n", rc));
287 return(FALSE);
288 }
289 lpPerformanceCount->u.LowPart = time.ulLo;
290 lpPerformanceCount->u.HighPart = time.ulHi;
291 return(TRUE);
292}
293//******************************************************************************
294//******************************************************************************
295BOOL WIN32API QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency)
296{
297 APIRET rc;
298 ULONG freq;
299
300 rc = DosTmrQueryFreq(&freq);
301 if(rc) {
302 dprintf(("DosTmrQueryFreq returned %d\n", rc));
303 return(FALSE);
304 }
305 lpFrequency->u.LowPart = freq;
306 lpFrequency->u.HighPart = 0;
307 dprintf2(("QueryPerformanceFrequency returned 0x%X%X\n", lpFrequency->u.HighPart, lpFrequency->u.LowPart));
308 return(TRUE);
309}
310//******************************************************************************
311//******************************************************************************
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