source: trunk/src/kernel32/hmdevio.cpp@ 4300

Last change on this file since 4300 was 4300, checked in by sandervl, 25 years ago

changed back hmdevio.cpp
File size: 11.8 KB
Line 
1/* $Id: hmdevio.cpp,v 1.6 2000-09-21 20:03:00 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 return DosClose(pHMHandleData->hHMHandle);
152}
153//******************************************************************************
154//******************************************************************************
155BOOL HMDeviceDriver::DeviceIoControl(PHMHANDLEDATA pHMHandleData, DWORD dwIoControlCode,
156 LPVOID lpInBuffer, DWORD nInBufferSize,
157 LPVOID lpOutBuffer, DWORD nOutBufferSize,
158 LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
159{
160 return devIOCtl(pHMHandleData->hHMHandle, dwIoControlCode, lpInBuffer, nInBufferSize,
161 lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped);
162}
163//******************************************************************************
164//******************************************************************************
165static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
166{
167 ULONG port, val = 0;
168
169 if(fX86Init == FALSE) {
170 if(io_init() == 0)
171 fX86Init = TRUE;
172 else return(FALSE);
173 }
174
175 *lpBytesReturned = 0;
176
177 port = ((GENPORT_WRITE_INPUT *)lpInBuffer)->PortNumber;
178
179 switch((dwIoControlCode >> 2) & 0xFFF) {
180 case IOCTL_GPD_READ_PORT_UCHAR:
181 if(nOutBufferSize < sizeof(char))
182 return(FALSE);
183
184 val = c_inb(port);
185 *(char *)lpOutBuffer = val;
186 *lpBytesReturned = sizeof(char);
187 break;
188 case IOCTL_GPD_READ_PORT_USHORT:
189 if(nOutBufferSize < sizeof(USHORT))
190 return(FALSE);
191
192 val = c_inw(port);
193 *(USHORT *)lpOutBuffer = val;
194 *lpBytesReturned = sizeof(USHORT);
195 break;
196 case IOCTL_GPD_READ_PORT_ULONG:
197 if(nOutBufferSize < sizeof(ULONG))
198 return(FALSE);
199
200 val = c_inl(port);
201 *(ULONG *)lpOutBuffer = val;
202 *lpBytesReturned = sizeof(ULONG);
203 break;
204 case IOCTL_GPD_WRITE_PORT_UCHAR:
205 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->CharData;
206 c_outb(port, val);
207 break;
208 case IOCTL_GPD_WRITE_PORT_USHORT:
209 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->ShortData;
210 c_outw(port, val);
211 break;
212 case IOCTL_GPD_WRITE_PORT_ULONG:
213 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->LongData;
214 c_outl(port, val);
215 break;
216 default:
217 dprintf(("GpdDevIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
218 return(FALSE);
219 }
220
221 return(TRUE);
222}
223//******************************************************************************
224//******************************************************************************
225static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
226{
227 PHYSICAL_MEMORY_INFO *meminfo = (PHYSICAL_MEMORY_INFO *)lpInBuffer;
228 struct map_ioctl memmap;
229
230 *lpBytesReturned = 0;
231
232 switch((dwIoControlCode >> 2) & 0xFFF) {
233 case IOCTL_MAPMEM_MAP_USER_PHYSICAL_MEMORY:
234 if(nInBufferSize != sizeof(PHYSICAL_MEMORY_INFO))
235 return(FALSE);
236
237 memmap.a.phys = meminfo->BusAddress.u.LowPart;
238 memmap.size = meminfo->Length;
239 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
240 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
241 dprintf(("mpioctl failed!\n"));
242 return(FALSE);
243 }
244
245 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
246 *(ULONG *)lpOutBuffer = (ULONG)memmap.a.user;
247 break;
248 case IOCTL_MAPMEM_UNMAP_USER_PHYSICAL_MEMORY:
249 dprintf(("Unmap mapping %X\n", *(ULONG *)lpInBuffer));
250 memmap.a.phys = *(ULONG *)lpInBuffer;
251 memmap.size = 0;
252 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1)
253 return(FALSE);
254 break;
255 default:
256 dprintf(("MAPMEMIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
257 return(FALSE);
258 }
259
260 return(TRUE);
261}
262//******************************************************************************
263//******************************************************************************
264static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
265{
266 struct map_ioctl memmap;
267 MAPDEVREQUEST *vxdmem = (MAPDEVREQUEST *)lpInBuffer;
268
269 switch(dwIoControlCode) {
270 case 1:
271 break;
272 case 2:
273 memmap.a.phys = (DWORD)vxdmem->mdr_PhysicalAddress;
274 memmap.size = vxdmem->mdr_SizeInBytes;
275 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
276 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
277 dprintf(("mpioctl failed!\n"));
278 return(FALSE);
279 }
280
281 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
282 vxdmem->mdr_LinearAddress = (PVOID)memmap.a.user;
283 break;
284 default:
285 dprintf(("FXMEMMAPIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
286 return(FALSE);
287 }
288
289 return(TRUE);
290}
291//******************************************************************************
292//******************************************************************************
293BOOL WIN32API QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
294{
295 QWORD time;
296 APIRET rc;
297
298 rc = DosTmrQueryTime(&time);
299 if(rc) {
300 dprintf(("DosTmrQueryTime returned %d\n", rc));
301 return(FALSE);
302 }
303 lpPerformanceCount->u.LowPart = time.ulLo;
304 lpPerformanceCount->u.HighPart = time.ulHi;
305 return(TRUE);
306}
307//******************************************************************************
308//******************************************************************************
309BOOL WIN32API QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency)
310{
311 APIRET rc;
312 ULONG freq;
313
314 rc = DosTmrQueryFreq(&freq);
315 if(rc) {
316 dprintf(("DosTmrQueryFreq returned %d\n", rc));
317 return(FALSE);
318 }
319 lpFrequency->u.LowPart = freq;
320 lpFrequency->u.HighPart = 0;
321 dprintf2(("QueryPerformanceFrequency returned 0x%X%X\n", lpFrequency->u.HighPart, lpFrequency->u.LowPart));
322 return(TRUE);
323}
324//******************************************************************************
325//******************************************************************************
Note: See TracBrowser for help on using the repository browser.