source: trunk/src/kernel32/hmdevio.cpp@ 1713

Last change on this file since 1713 was 1713, checked in by sandervl, 26 years ago

device driver handlemanager class added
File size: 11.3 KB
Line 
1/* $Id: hmdevio.cpp,v 1.1 1999-11-12 14:57:14 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
30static fX86Init = FALSE;
31//SvL: Used in iccio.asm (how can you put these in the .asm data segment without messing things up?)
32ULONG ioentry = 0;
33USHORT gdt = 0;
34char devname[] = "/dev/fastio$";
35
36static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
37static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
38static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
39
40static WIN32DRV knownDriver[] =
41 {{"\\\\.\\GpdDev", "", TRUE, 666, GpdDevIOCtl},
42 { "\\\\.\\MAPMEM", "PMAP$", FALSE, 0, MAPMEMIOCtl},
43 { "FXMEMMAP.VXD", "PMAP$", FALSE, 0, FXMEMMAPIOCtl}};
44
45static int nrKnownDrivers = sizeof(knownDriver)/sizeof(WIN32DRV);
46
47//******************************************************************************
48//******************************************************************************
49void RegisterDevices()
50{
51 HMDeviceDriver *driver;
52 DWORD rc;
53
54 for(int i=0;i<nrKnownDrivers;i++)
55 {
56 driver = new HMDeviceDriver(knownDriver[i].szWin32Name,
57 knownDriver[i].szOS2Name,
58 knownDriver[i].fCreateFile,
59 knownDriver[i].devIOCtl);
60
61 rc = HMDeviceRegister(knownDriver[i].szWin32Name, driver);
62 if (rc != NO_ERROR) /* check for errors */
63 dprintf(("KERNEL32:RegisterDevices: registering %s failed with %u.\n",
64 knownDriver[i].szWin32Name, rc));
65 }
66 return;
67}
68//******************************************************************************
69//******************************************************************************
70HMDeviceDriver::HMDeviceDriver(LPCSTR lpDeviceName, LPSTR lpOS2DevName, BOOL fCreate,
71 WINIOCTL pDevIOCtl)
72 : HMDeviceKernelObjectClass(lpDeviceName)
73{
74 this->fCreateFile = fCreateFile;
75 this->szOS2Name = lpOS2DevName;
76 this->devIOCtl = pDevIOCtl;
77}
78//******************************************************************************
79//******************************************************************************
80DWORD HMDeviceDriver::CreateFile (LPCSTR lpFileName,
81 PHMHANDLEDATA pHMHandleData,
82 PVOID lpSecurityAttributes,
83 PHMHANDLEDATA pHMHandleDataTemplate)
84{
85 APIRET rc;
86 HFILE hfFileHandle = 0L; /* Handle for file being manipulated */
87 ULONG ulAction = 0; /* Action taken by DosOpen */
88 ULONG sharetype = 0;
89
90 if(pHMHandleData->dwAccess & (GENERIC_READ | GENERIC_WRITE))
91 sharetype |= OPEN_ACCESS_READWRITE;
92 else
93 if(pHMHandleData->dwAccess & GENERIC_WRITE)
94 sharetype |= OPEN_ACCESS_WRITEONLY;
95
96 if(pHMHandleData->dwShare == 0)
97 sharetype |= OPEN_SHARE_DENYREADWRITE;
98 else
99 if(pHMHandleData->dwShare & (FILE_SHARE_READ | FILE_SHARE_WRITE))
100 sharetype |= OPEN_SHARE_DENYNONE;
101 else
102 if(pHMHandleData->dwShare & FILE_SHARE_WRITE)
103 sharetype |= OPEN_SHARE_DENYREAD;
104 else
105 if(pHMHandleData->dwShare & FILE_SHARE_READ)
106 sharetype |= OPEN_SHARE_DENYWRITE;
107
108 rc = DosOpen( szOS2Name, /* File path name */
109 &hfFileHandle, /* File handle */
110 &ulAction, /* Action taken */
111 0,
112 FILE_NORMAL,
113 FILE_OPEN,
114 sharetype,
115 0L); /* No extended attribute */
116
117 dprintf(("DosOpen %s returned %d\n", szOS2Name, rc));
118
119 if(rc == NO_ERROR) {
120 pHMHandleData->hHMHandle = hfFileHandle;
121 return (NO_ERROR);
122 }
123 else return(rc);
124}
125//******************************************************************************
126//******************************************************************************
127DWORD HMDeviceDriver::CloseHandle(PHMHANDLEDATA pHMHandleData)
128{
129 return DosClose(pHMHandleData->hHMHandle);
130}
131//******************************************************************************
132//******************************************************************************
133BOOL HMDeviceDriver::DeviceIoControl(PHMHANDLEDATA pHMHandleData, DWORD dwIoControlCode,
134 LPVOID lpInBuffer, DWORD nInBufferSize,
135 LPVOID lpOutBuffer, DWORD nOutBufferSize,
136 LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
137{
138 return devIOCtl(pHMHandleData->hHMHandle, dwIoControlCode, lpInBuffer, nInBufferSize,
139 lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped);
140}
141//******************************************************************************
142//******************************************************************************
143static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
144{
145 ULONG port, val = 0;
146
147 if(fX86Init == FALSE) {
148 if(io_init() == 0)
149 fX86Init = TRUE;
150 else return(FALSE);
151 }
152
153 *lpBytesReturned = 0;
154
155 port = ((GENPORT_WRITE_INPUT *)lpInBuffer)->PortNumber;
156
157 switch((dwIoControlCode >> 2) & 0xFFF) {
158 case IOCTL_GPD_READ_PORT_UCHAR:
159 if(nOutBufferSize < sizeof(char))
160 return(FALSE);
161
162 val = c_inb(port);
163 *(char *)lpOutBuffer = val;
164 *lpBytesReturned = sizeof(char);
165 break;
166 case IOCTL_GPD_READ_PORT_USHORT:
167 if(nOutBufferSize < sizeof(USHORT))
168 return(FALSE);
169
170 val = c_inw(port);
171 *(USHORT *)lpOutBuffer = val;
172 *lpBytesReturned = sizeof(USHORT);
173 break;
174 case IOCTL_GPD_READ_PORT_ULONG:
175 if(nOutBufferSize < sizeof(ULONG))
176 return(FALSE);
177
178 val = c_inl(port);
179 *(ULONG *)lpOutBuffer = val;
180 *lpBytesReturned = sizeof(ULONG);
181 break;
182 case IOCTL_GPD_WRITE_PORT_UCHAR:
183 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->CharData;
184 c_outb(port, val);
185 break;
186 case IOCTL_GPD_WRITE_PORT_USHORT:
187 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->ShortData;
188 c_outw(port, val);
189 break;
190 case IOCTL_GPD_WRITE_PORT_ULONG:
191 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->LongData;
192 c_outl(port, val);
193 break;
194 default:
195 dprintf(("GpdDevIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
196 return(FALSE);
197 }
198
199 return(TRUE);
200}
201//******************************************************************************
202//******************************************************************************
203static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
204{
205 PHYSICAL_MEMORY_INFO *meminfo = (PHYSICAL_MEMORY_INFO *)lpInBuffer;
206 struct map_ioctl memmap;
207
208 *lpBytesReturned = 0;
209
210 switch((dwIoControlCode >> 2) & 0xFFF) {
211 case IOCTL_MAPMEM_MAP_USER_PHYSICAL_MEMORY:
212 if(nInBufferSize != sizeof(PHYSICAL_MEMORY_INFO))
213 return(FALSE);
214
215 memmap.a.phys = meminfo->BusAddress.u.LowPart;
216 memmap.size = meminfo->Length;
217 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
218 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
219 dprintf(("mpioctl failed!\n"));
220 return(FALSE);
221 }
222
223 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
224 *(ULONG *)lpOutBuffer = (ULONG)memmap.a.user;
225 break;
226 case IOCTL_MAPMEM_UNMAP_USER_PHYSICAL_MEMORY:
227 dprintf(("Unmap mapping %X\n", *(ULONG *)lpInBuffer));
228 memmap.a.phys = *(ULONG *)lpInBuffer;
229 memmap.size = 0;
230 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1)
231 return(FALSE);
232 break;
233 default:
234 dprintf(("MAPMEMIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
235 return(FALSE);
236 }
237
238 return(TRUE);
239}
240//******************************************************************************
241//******************************************************************************
242static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
243{
244 struct map_ioctl memmap;
245 MAPDEVREQUEST *vxdmem = (MAPDEVREQUEST *)lpInBuffer;
246
247 switch(dwIoControlCode) {
248 case 1:
249 break;
250 case 2:
251 memmap.a.phys = (DWORD)vxdmem->mdr_PhysicalAddress;
252 memmap.size = vxdmem->mdr_SizeInBytes;
253 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
254 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
255 dprintf(("mpioctl failed!\n"));
256 return(FALSE);
257 }
258
259 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
260 vxdmem->mdr_LinearAddress = (PVOID)memmap.a.user;
261 break;
262 default:
263 dprintf(("FXMEMMAPIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
264 return(FALSE);
265 }
266
267 return(TRUE);
268}
269//******************************************************************************
270//******************************************************************************
271BOOL WIN32API QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
272{
273 QWORD time;
274 APIRET rc;
275
276 rc = DosTmrQueryTime(&time);
277 if(rc) {
278 dprintf(("DosTmrQueryTime returned %d\n", rc));
279 return(FALSE);
280 }
281 lpPerformanceCount->u.LowPart = time.ulLo;
282 lpPerformanceCount->u.HighPart = time.ulHi;
283 return(TRUE);
284}
285//******************************************************************************
286//******************************************************************************
287BOOL WIN32API QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency)
288{
289 APIRET rc;
290 ULONG freq;
291
292 rc = DosTmrQueryFreq(&freq);
293 if(rc) {
294 dprintf(("DosTmrQueryFreq returned %d\n", rc));
295 return(FALSE);
296 }
297 lpFrequency->u.LowPart = freq;
298 lpFrequency->u.HighPart = 0;
299 dprintf(("OS2QueryPerformanceFrequency returned 0x%X%X\n", lpFrequency->u.HighPart, lpFrequency->u.LowPart));
300 return(TRUE);
301}
302//******************************************************************************
303//******************************************************************************
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