source: trunk/src/kernel32/hmdevio.cpp@ 5004

Last change on this file since 5004 was 4431, checked in by sandervl, 25 years ago

don't print fs messages for os/2 odin apps
File size: 11.9 KB
Line 
1/* $Id: hmdevio.cpp,v 1.7 2000-10-05 13:48:09 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
116tryopen:
117 rc = DosOpen( szOS2Name, /* File path name */
118 &hfFileHandle, /* File handle */
119 &ulAction, /* Action taken */
120 0,
121 FILE_NORMAL,
122 FILE_OPEN,
123 sharetype,
124 0L); /* No extended attribute */
125
126 if(rc == ERROR_TOO_MANY_OPEN_FILES) {
127 ULONG CurMaxFH;
128 LONG ReqCount = 32;
129
130 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
131 if(rc) {
132 dprintf(("DosSetRelMaxFH returned %d", rc));
133 return rc;
134 }
135 dprintf(("DosOpen failed -> increased nr open files to %d", CurMaxFH));
136 goto tryopen;
137 }
138
139 dprintf(("DosOpen %s returned %d\n", szOS2Name, rc));
140
141 if(rc == NO_ERROR) {
142 pHMHandleData->hHMHandle = hfFileHandle;
143 return (NO_ERROR);
144 }
145 else return(rc);
146}
147//******************************************************************************
148//******************************************************************************
149DWORD HMDeviceDriver::CloseHandle(PHMHANDLEDATA pHMHandleData)
150{
151 DWORD rc = 0;
152
153 if(pHMHandleData->hHMHandle) {
154 rc = DosClose(pHMHandleData->hHMHandle);
155 }
156 pHMHandleData->hHMHandle = 0;
157 return rc;
158}
159//******************************************************************************
160//******************************************************************************
161BOOL HMDeviceDriver::DeviceIoControl(PHMHANDLEDATA pHMHandleData, DWORD dwIoControlCode,
162 LPVOID lpInBuffer, DWORD nInBufferSize,
163 LPVOID lpOutBuffer, DWORD nOutBufferSize,
164 LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
165{
166 return devIOCtl(pHMHandleData->hHMHandle, dwIoControlCode, lpInBuffer, nInBufferSize,
167 lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped);
168}
169//******************************************************************************
170//******************************************************************************
171static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
172{
173 ULONG port, val = 0;
174
175 if(fX86Init == FALSE) {
176 if(io_init() == 0)
177 fX86Init = TRUE;
178 else return(FALSE);
179 }
180
181 *lpBytesReturned = 0;
182
183 port = ((GENPORT_WRITE_INPUT *)lpInBuffer)->PortNumber;
184
185 switch((dwIoControlCode >> 2) & 0xFFF) {
186 case IOCTL_GPD_READ_PORT_UCHAR:
187 if(nOutBufferSize < sizeof(char))
188 return(FALSE);
189
190 val = c_inb(port);
191 *(char *)lpOutBuffer = val;
192 *lpBytesReturned = sizeof(char);
193 break;
194 case IOCTL_GPD_READ_PORT_USHORT:
195 if(nOutBufferSize < sizeof(USHORT))
196 return(FALSE);
197
198 val = c_inw(port);
199 *(USHORT *)lpOutBuffer = val;
200 *lpBytesReturned = sizeof(USHORT);
201 break;
202 case IOCTL_GPD_READ_PORT_ULONG:
203 if(nOutBufferSize < sizeof(ULONG))
204 return(FALSE);
205
206 val = c_inl(port);
207 *(ULONG *)lpOutBuffer = val;
208 *lpBytesReturned = sizeof(ULONG);
209 break;
210 case IOCTL_GPD_WRITE_PORT_UCHAR:
211 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->CharData;
212 c_outb(port, val);
213 break;
214 case IOCTL_GPD_WRITE_PORT_USHORT:
215 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->ShortData;
216 c_outw(port, val);
217 break;
218 case IOCTL_GPD_WRITE_PORT_ULONG:
219 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->LongData;
220 c_outl(port, val);
221 break;
222 default:
223 dprintf(("GpdDevIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
224 return(FALSE);
225 }
226
227 return(TRUE);
228}
229//******************************************************************************
230//******************************************************************************
231static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
232{
233 PHYSICAL_MEMORY_INFO *meminfo = (PHYSICAL_MEMORY_INFO *)lpInBuffer;
234 struct map_ioctl memmap;
235
236 *lpBytesReturned = 0;
237
238 switch((dwIoControlCode >> 2) & 0xFFF) {
239 case IOCTL_MAPMEM_MAP_USER_PHYSICAL_MEMORY:
240 if(nInBufferSize != sizeof(PHYSICAL_MEMORY_INFO))
241 return(FALSE);
242
243 memmap.a.phys = meminfo->BusAddress.u.LowPart;
244 memmap.size = meminfo->Length;
245 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
246 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
247 dprintf(("mpioctl failed!\n"));
248 return(FALSE);
249 }
250
251 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
252 *(ULONG *)lpOutBuffer = (ULONG)memmap.a.user;
253 break;
254 case IOCTL_MAPMEM_UNMAP_USER_PHYSICAL_MEMORY:
255 dprintf(("Unmap mapping %X\n", *(ULONG *)lpInBuffer));
256 memmap.a.phys = *(ULONG *)lpInBuffer;
257 memmap.size = 0;
258 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1)
259 return(FALSE);
260 break;
261 default:
262 dprintf(("MAPMEMIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
263 return(FALSE);
264 }
265
266 return(TRUE);
267}
268//******************************************************************************
269//******************************************************************************
270static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
271{
272 struct map_ioctl memmap;
273 MAPDEVREQUEST *vxdmem = (MAPDEVREQUEST *)lpInBuffer;
274
275 switch(dwIoControlCode) {
276 case 1:
277 break;
278 case 2:
279 memmap.a.phys = (DWORD)vxdmem->mdr_PhysicalAddress;
280 memmap.size = vxdmem->mdr_SizeInBytes;
281 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
282 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
283 dprintf(("mpioctl failed!\n"));
284 return(FALSE);
285 }
286
287 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
288 vxdmem->mdr_LinearAddress = (PVOID)memmap.a.user;
289 break;
290 default:
291 dprintf(("FXMEMMAPIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
292 return(FALSE);
293 }
294
295 return(TRUE);
296}
297//******************************************************************************
298//******************************************************************************
299BOOL WIN32API QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
300{
301 QWORD time;
302 APIRET rc;
303
304 rc = DosTmrQueryTime(&time);
305 if(rc) {
306 dprintf(("DosTmrQueryTime returned %d\n", rc));
307 return(FALSE);
308 }
309 lpPerformanceCount->u.LowPart = time.ulLo;
310 lpPerformanceCount->u.HighPart = time.ulHi;
311 return(TRUE);
312}
313//******************************************************************************
314//******************************************************************************
315BOOL WIN32API QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency)
316{
317 APIRET rc;
318 ULONG freq;
319
320 rc = DosTmrQueryFreq(&freq);
321 if(rc) {
322 dprintf(("DosTmrQueryFreq returned %d\n", rc));
323 return(FALSE);
324 }
325 lpFrequency->u.LowPart = freq;
326 lpFrequency->u.HighPart = 0;
327 dprintf2(("QueryPerformanceFrequency returned 0x%X%X\n", lpFrequency->u.HighPart, lpFrequency->u.LowPart));
328 return(TRUE);
329}
330//******************************************************************************
331//******************************************************************************
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