1 /**************************************************************************
3 * Copyright (C) 2000 David Elliott <dfe@infinite-internet.net>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 /* These routines are to be called from either WNASPI32 or WINASPI */
23 * - Registry format is stupid for now.. fix that later
24 * - No way to override automatic /proc detection, maybe provide an
25 * HKEY_LOCAL_MACHINE\Software\Wine\Wine\Scsi regkey
26 * - Somewhat debating an #ifdef linux... technically all this code will
27 * run on another UNIX.. it will fail nicely.
28 * - Please add support for mapping multiple channels on host adapters to
29 * aspi controllers, e-mail me if you need help.
33 Registry format is currently:
36 (default)=number of host adapters
37 hHHcCCtTTdDD=linux device name
40 #include <sys/types.h>
41 #include <sys/ioctl.h>
48 #include "wine/debug.h"
53 WINE_DEFAULT_DEBUG_CHANNEL(aspi);
55 /* Internal function prototypes */
61 SCSI_MapHCtoController();
64 static void set_last_error(void)
66 int save_errno = errno; /* errno gets overwritten by printf */
70 SetLastError( ERROR_SHARING_VIOLATION );
73 SetLastError( ERROR_INVALID_HANDLE );
76 SetLastError( ERROR_HANDLE_DISK_FULL );
81 SetLastError( ERROR_ACCESS_DENIED );
84 SetLastError( ERROR_LOCK_VIOLATION );
87 SetLastError( ERROR_FILE_NOT_FOUND );
90 SetLastError( ERROR_CANNOT_MAKE );
94 SetLastError( ERROR_NO_MORE_FILES );
97 SetLastError( ERROR_FILE_EXISTS );
101 SetLastError( ERROR_SEEK );
104 SetLastError( ERROR_DIR_NOT_EMPTY );
107 SetLastError( ERROR_BAD_FORMAT );
110 WARN( "unknown file error: %s\n", strerror(save_errno) );
111 SetLastError( ERROR_GEN_FAILURE );
117 /* Exported functions */
121 /* For now we just call SCSI_GetProcinfo */
124 SCSI_MapHCtoController();
129 ASPI_GetNumControllers()
132 HKEY hkeyControllerMap;
134 DWORD type = REG_DWORD;
136 DWORD cbData = sizeof(num_ha);
138 if( RegOpenKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, KEY_ALL_ACCESS, &hkeyScsi ) != ERROR_SUCCESS )
140 ERR("Could not open HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
144 if( (error=RegOpenKeyExA(hkeyScsi, KEYNAME_SCSI_CONTROLLERMAP, 0, KEY_ALL_ACCESS, &hkeyControllerMap )) != ERROR_SUCCESS )
146 ERR("Could not open HKEY_DYN_DATA\\%s\\%s\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
147 RegCloseKey(hkeyScsi);
151 if( RegQueryValueExA(hkeyControllerMap, NULL, NULL, &type, (LPBYTE)&num_ha, &cbData ) != ERROR_SUCCESS )
153 ERR("Could not query value HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
156 RegCloseKey(hkeyControllerMap);
157 RegCloseKey(hkeyScsi);
158 TRACE("Returning %ld host adapters\n", num_ha );
163 SCSI_GetDeviceName( int h, int c, int t, int d, LPSTR devstr, LPDWORD lpcbData )
170 if( RegOpenKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, KEY_ALL_ACCESS, &hkeyScsi ) != ERROR_SUCCESS )
172 ERR("Could not open HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
177 sprintf(idstr, "h%02dc%02dt%02dd%02d", h, c, t, d);
179 if( RegQueryValueExA(hkeyScsi, idstr, NULL, &type, devstr, lpcbData) != ERROR_SUCCESS )
181 WARN("Could not query value HKEY_DYN_DATA\\%s\\%s\n",KEYNAME_SCSI, idstr);
182 RegCloseKey(hkeyScsi);
185 RegCloseKey(hkeyScsi);
187 TRACE("scsi %s: Device name: %s\n",idstr,devstr);
191 /* SCSI_GetHCforController
193 * HIWORD: Host Adapter
197 ASPI_GetHCforController( int controller )
199 DWORD hc = 0xFFFFFFFF;
203 HKEY hkeyControllerMap;
204 DWORD type = REG_DWORD;
205 DWORD cbData = sizeof(DWORD);
208 FIXME("Please fix to map each channel of each host adapter to the proper ASPI controller number!\n");
209 hc = (controller << 16);
212 if( (error=RegCreateKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyScsi, &disposition )) != ERROR_SUCCESS )
214 ERR("Could not open HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
218 if( disposition != REG_OPENED_EXISTING_KEY )
220 WARN("Created HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
222 if( (error=RegCreateKeyExA(hkeyScsi, KEYNAME_SCSI_CONTROLLERMAP, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyControllerMap, &disposition )) != ERROR_SUCCESS )
224 ERR("Could not open HKEY_DYN_DATA\\%s\\%s\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
225 RegCloseKey(hkeyScsi);
229 if( disposition != REG_OPENED_EXISTING_KEY )
231 WARN("Created HKEY_DYN_DATA\\%s\\%s\n",KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
234 sprintf(cstr, "c%02d", controller);
235 if( (error=RegQueryValueExA( hkeyControllerMap, cstr, 0, &type, (LPBYTE)&hc, &cbData)) != ERROR_SUCCESS )
237 ERR("Could not open HKEY_DYN_DATA\\%s\\%s\\%s, error=%lx\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP, cstr, error );
238 SetLastError( error );
240 RegCloseKey(hkeyControllerMap);
241 RegCloseKey(hkeyScsi);
247 SCSI_OpenDevice( int h, int c, int t, int d )
252 char dainbread_linux_hack = 1;
254 if(!SCSI_GetDeviceName( h, c, t, d, devstr, &cbData ))
256 WARN("Could not get device name for h%02dc%02dt%02dd%02d\n", h, c, t, d);
261 TRACE("Opening device %s mode O_RDWR\n",devstr);
262 fd = open(devstr, O_RDWR);
266 int len = strlen(devstr);
267 set_last_error(); /* SetLastError() to errno */
268 TRACE("Open failed (%s)\n", strerror(errno));
270 /* in case of "/dev/sgX", convert from sga to sg0
271 * and the other way around.
272 * FIXME: remove it if the distributions
273 * finally manage to agree on something.
274 * The best would probably be a complete
275 * rewrite of the Linux SCSI layer
276 * to use CAM + devfs :-) */
277 if ( (dainbread_linux_hack) &&
279 (devstr[len-3] == 's') && (devstr[len-2] == 'g') )
281 char *p = &devstr[len-1];
282 *p = (*p >= 'a') ? *p - 'a' + '0' : *p - '0' + 'a';
283 dainbread_linux_hack = 0;
284 TRACE("Retry with \"equivalent\" Linux device '%s'\n", devstr);
293 * Checks to make sure the CMD_LEN is correct
296 SCSI_Fix_CMD_LEN(int fd, int cmd, int len)
298 int index=(cmd>>5)&7;
300 if (len!=scsi_command_size[index])
302 TRACE("CDBLen for command %d claims to be %d, expected %d\n",
303 cmd, len, scsi_command_size[index]);
304 ioctl(fd,SG_NEXT_CMD_LEN,&len);
309 SCSI_LinuxSetTimeout( int fd, int timeout )
312 TRACE("Setting timeout to %d jiffies\n", timeout);
313 retval=ioctl(fd,SG_SET_TIMEOUT,&timeout);
316 WARN("Could not set timeout ! (%s)\n", strerror(errno));
322 /* This function takes care of the write/read to the linux sg device.
323 * It returns TRUE or FALSE and uses set_last_error() to convert
324 * UNIX errno to Windows GetLastError(). The reason for that is that
325 * several programs will check that error and we might as well set
326 * it here. We also return the value of the read call in
329 BOOL /* NOTE: This function SHOULD BLOCK */
330 SCSI_LinuxDeviceIo( int fd,
331 struct sg_header * lpInBuffer, DWORD cbInBuffer,
332 struct sg_header * lpOutBuffer, DWORD cbOutBuffer,
333 LPDWORD lpcbBytesReturned )
338 TRACE("Writing to Linux sg device\n");
339 dwBytes = write( fd, lpInBuffer, cbInBuffer );
340 if( dwBytes != cbInBuffer )
343 save_error = GetLastError();
344 WARN("Not enough bytes written to scsi device. bytes=%ld .. %ld\n", cbInBuffer, dwBytes );
345 /* FIXME: set_last_error() never sets error to ERROR_NOT_ENOUGH_MEMORY... */
346 if( save_error == ERROR_NOT_ENOUGH_MEMORY )
347 MESSAGE("Your Linux kernel was not able to handle the amount of data sent to the scsi device. Try recompiling with a larger SG_BIG_BUFF value (kernel 2.0.x sg.h)");
348 WARN("error= %ld\n", save_error );
349 *lpcbBytesReturned = 0;
353 TRACE("Reading reply from Linux sg device\n");
354 *lpcbBytesReturned = read( fd, lpOutBuffer, cbOutBuffer );
355 if( *lpcbBytesReturned != cbOutBuffer )
358 save_error = GetLastError();
359 WARN("Not enough bytes read from scsi device. bytes=%ld .. %ld\n", cbOutBuffer, *lpcbBytesReturned);
360 WARN("error= %ld\n", save_error );
366 /* Internal functions */
367 struct LinuxProcScsiDevice
381 * we need to declare white spaces explicitly via %*1[ ],
382 * as there are very dainbread CD-ROM devices out there
383 * which have their manufacturer name blanked out via spaces,
384 * which confuses fscanf's parsing (skips all blank spaces)
387 SCSI_getprocentry( FILE * procfile, struct LinuxProcScsiDevice * dev )
390 result = fscanf( procfile,
391 "Host:%*1[ ]scsi%d%*1[ ]Channel:%*1[ ]%d%*1[ ]Id:%*1[ ]%d%*1[ ]Lun:%*1[ ]%d\n",
398 /* "end of entries" return, so no TRACE() here */
403 ERR("bus id line scan count error\n");
406 result = fscanf( procfile,
407 " Vendor:%*1[ ]%8c%*1[ ]Model:%*1[ ]%16c%*1[ ]Rev:%*1[ ]%4c\n",
413 ERR("model line scan count error\n");
417 result = fscanf( procfile,
418 " Type:%*3[ ]%32c%*1[ ]ANSI%*1[ ]SCSI%*1[ ]revision:%*1[ ]%d\n",
423 ERR("SCSI type line scan count error\n");
426 /* Since we fscanf with %XXc instead of %s.. put a NULL at end */
436 SCSI_printprocentry( const struct LinuxProcScsiDevice * dev )
438 TRACE( "Host: scsi%d Channel: %02d Id: %02d Lun: %02d\n",
443 TRACE( " Vendor: %s Model: %s Rev: %s\n",
447 TRACE( " Type: %s ANSI SCSI revision: %02d\n",
453 SCSI_PutRegControllerMap( HKEY hkeyControllerMap, int num_controller, int ha, int chan)
458 hc = (ha << 16) + chan;
459 sprintf(cstr, "c%02d", num_controller);
460 if( (error=RegSetValueExA( hkeyControllerMap, cstr, 0, REG_DWORD, (LPBYTE)&hc, sizeof(DWORD))) != ERROR_SUCCESS )
462 ERR("Could not create HKEY_DYN_DATA\\%s\\%s\\%s\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP, cstr );
468 SCSI_MapHCtoController()
471 HKEY hkeyControllerMap;
480 DWORD num_controller = 0;
487 if( RegCreateKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyScsi, &disposition ) != ERROR_SUCCESS )
489 ERR("Could not open HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
492 if( disposition != REG_OPENED_EXISTING_KEY )
494 WARN("Created HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
496 if( RegCreateKeyExA(hkeyScsi, KEYNAME_SCSI_CONTROLLERMAP, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyControllerMap, &disposition ) != ERROR_SUCCESS )
498 ERR("Could not create HKEY_DYN_DATA\\%s\\%s\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
499 RegCloseKey(hkeyScsi);
503 for( i=0; cbIdStr = sizeof(idstr), (error=RegEnumValueA( hkeyScsi, i, idstr, &cbIdStr, NULL, &type, NULL, NULL )) == ERROR_SUCCESS; i++ )
505 if(idstr[0] == '\0') continue; /* skip the default value */
507 if(sscanf(idstr, "h%02dc%02dt%*02dd%*02d", &ha, &chan) != 2) {
508 ERR("incorrect reg. value %s\n", debugstr_a(idstr));
516 SCSI_PutRegControllerMap( hkeyControllerMap, num_controller, ha, chan);
519 else if( last_ha > ha )
521 FIXME("Expected registry to be sorted\n");
524 else if( last_chan < chan )
527 SCSI_PutRegControllerMap( hkeyControllerMap, num_controller, ha, chan);
530 else if( last_chan > chan )
532 FIXME("Expected registry to be sorted\n");
534 /* else last_ha == ha && last_chan == chan so do nothing */
536 /* Set (default) value to number of controllers */
537 if( RegSetValueExA(hkeyControllerMap, NULL, 0, REG_DWORD, (LPBYTE)&num_controller, sizeof(DWORD) ) != ERROR_SUCCESS )
539 ERR("Could not set value HKEY_DYN_DATA\\%s\\%s\n",KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
541 RegCloseKey(hkeyControllerMap);
542 RegCloseKey(hkeyScsi);
547 int SCSI_Linux_CheckDevices(void)
550 struct dirent *dent = NULL;
552 devdir = opendir("/dev");
553 for (dent=readdir(devdir);dent;dent=readdir(devdir))
555 if (!(strncmp(dent->d_name, "sg", 2)))
562 TRACE("WARNING: You don't have any /dev/sgX generic scsi devices ! \"man MAKEDEV\" !\n");
570 /* I'll admit, this function is somewhat of a mess... it was originally
571 * designed to make some sort of linked list then I realized that
572 * HKEY_DYN_DATA would be a lot less messy
576 static const char procname[] = "/proc/scsi/scsi";
577 FILE * procfile = NULL;
579 char read_line[40], read1[10] = "\0", read2[10] = "\0";
582 struct LinuxProcScsiDevice dev;
593 /* Check whether user has generic scsi devices at all */
594 if (!(SCSI_Linux_CheckDevices()))
597 procfile = fopen( procname, "r" );
600 ERR("Could not open %s\n", procname);
604 fgets(read_line, 40, procfile);
605 sscanf( read_line, "Attached %9s %9s", read1, read2);
607 if(strcmp(read1, "devices:"))
609 ERR("Incorrect %s format\n", procname);
613 if(!(strcmp(read2, "none")))
615 ERR("No devices found in %s. Make sure you loaded your SCSI driver or set up ide-scsi emulation for your IDE device if this app needs it !\n", procname);
619 if( RegCreateKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyScsi, &disposition ) != ERROR_SUCCESS )
621 ERR("Could not create HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
625 /* Read info for one device */
626 while( (result = SCSI_getprocentry(procfile, &dev)) > 0 )
628 /* Add to registry */
630 sprintf(idstr, "h%02dc%02dt%02dd%02d", dev.host, dev.channel, dev.target, dev.lun);
631 sprintf(devstr, "/dev/sg%c", 'a'+devnum);
632 if( RegSetValueExA(hkeyScsi, idstr, 0, REG_SZ, devstr, strlen(devstr)+1 ) != ERROR_SUCCESS )
634 ERR("Could not set value HKEY_DYN_DATA\\%s\\%s\n",KEYNAME_SCSI, idstr);
638 SCSI_printprocentry( &dev );
640 /* FIXME: We *REALLY* need number of controllers.. not ha */
641 /* num of hostadapters is highest ha + 1 */
642 if( dev.host >= num_ha )
648 ERR("Sorry, incorrect %s format\n", procname);
651 if( RegSetValueExA(hkeyScsi, NULL, 0, REG_DWORD, (LPBYTE)&num_ha, sizeof(num_ha) ) != ERROR_SUCCESS )
653 ERR("Could not set value HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
655 RegCloseKey(hkeyScsi);