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c906108c SS |
1 | /* |
2 | * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved. | |
3 | * | |
4 | * This software may be freely used, copied, modified, and distributed | |
5 | * provided that the above copyright notice is preserved in all copies of the | |
6 | * software. | |
7 | */ | |
8 | ||
9 | /* -*-C-*- | |
10 | * | |
11 | * $Revision$ | |
12 | * $Date$ | |
13 | * | |
14 | */ | |
15 | #include <stdio.h> | |
16 | #include <stdlib.h> | |
5c44784c | 17 | #include <string.h> |
0fda6bd2 | 18 | #include <fcntl.h> |
31e28849 | 19 | #include <time.h> |
c906108c SS |
20 | |
21 | #include "adp.h" | |
c3f6f71d | 22 | #include "sys.h" |
c906108c SS |
23 | #include "hsys.h" |
24 | #include "rxtx.h" | |
25 | #include "drivers.h" | |
26 | #include "buffers.h" | |
27 | #include "devclnt.h" | |
28 | #include "adperr.h" | |
29 | #include "devsw.h" | |
30 | #include "hostchan.h" | |
31 | #include "logging.h" | |
32 | ||
5c44784c JM |
33 | static char *angelDebugFilename = NULL; |
34 | static FILE *angelDebugLogFile = NULL; | |
35 | static int angelDebugLogEnable = 0; | |
36 | ||
37 | static void openLogFile () | |
38 | { | |
39 | time_t t; | |
5c44784c JM |
40 | |
41 | if (angelDebugFilename == NULL || *angelDebugFilename =='\0') | |
42 | return; | |
43 | ||
44 | angelDebugLogFile = fopen (angelDebugFilename,"a"); | |
45 | ||
46 | if (!angelDebugLogFile) | |
47 | { | |
48 | fprintf (stderr,"Error opening log file '%s'\n",angelDebugFilename); | |
49 | perror ("fopen"); | |
50 | } | |
51 | else | |
0fda6bd2 JM |
52 | { |
53 | /* The following line is equivalent to: */ | |
54 | /* setlinebuf (angelDebugLogFile); */ | |
55 | setvbuf(angelDebugLogFile, (char *)NULL, _IOLBF, 0); | |
a3efda28 | 56 | #if defined(__CYGWIN__) |
0fda6bd2 JM |
57 | setmode(fileno(angelDebugLogFile), O_TEXT); |
58 | #endif | |
59 | } | |
5c44784c JM |
60 | |
61 | time (&t); | |
62 | fprintf (angelDebugLogFile,"ADP log file opened at %s\n",asctime(localtime(&t))); | |
63 | } | |
64 | ||
65 | ||
66 | static void closeLogFile (void) | |
67 | { | |
68 | time_t t; | |
5c44784c JM |
69 | |
70 | if (!angelDebugLogFile) | |
71 | return; | |
72 | ||
73 | time (&t); | |
74 | fprintf (angelDebugLogFile,"ADP log file closed at %s\n",asctime(localtime(&t))); | |
75 | ||
76 | fclose (angelDebugLogFile); | |
77 | angelDebugLogFile = NULL; | |
78 | } | |
79 | ||
80 | void DevSW_SetLogEnable (int logEnableFlag) | |
81 | { | |
82 | if (logEnableFlag && !angelDebugLogFile) | |
83 | openLogFile (); | |
84 | else if (!logEnableFlag && angelDebugLogFile) | |
85 | closeLogFile (); | |
86 | ||
87 | angelDebugLogEnable = logEnableFlag; | |
88 | } | |
89 | ||
90 | ||
91 | void DevSW_SetLogfile (const char *filename) | |
92 | { | |
93 | closeLogFile (); | |
94 | ||
95 | if (angelDebugFilename) | |
96 | { | |
97 | free (angelDebugFilename); | |
98 | angelDebugFilename = NULL; | |
99 | } | |
100 | ||
101 | if (filename && *filename) | |
102 | { | |
103 | angelDebugFilename = strdup (filename); | |
104 | if (angelDebugLogEnable) | |
105 | openLogFile (); | |
106 | } | |
107 | } | |
108 | ||
109 | ||
110 | #define WordAt(p) ((unsigned long) ((p)[0] | ((p)[1]<<8) | ((p)[2]<<16) | ((p)[3]<<24))) | |
111 | ||
112 | static void dumpPacket(FILE *fp, char *label, struct data_packet *p) | |
113 | { | |
114 | unsigned r; | |
115 | int i; | |
c3f6f71d | 116 | unsigned char channel; |
5c44784c JM |
117 | |
118 | if (!fp) | |
119 | return; | |
120 | ||
121 | fprintf(fp,"%s [T=%d L=%d] ",label,p->type,p->len); | |
122 | for (i=0; i<p->len; ++i) | |
123 | fprintf(fp,"%02x ",p->data[i]); | |
124 | fprintf(fp,"\n"); | |
125 | ||
c3f6f71d JM |
126 | channel = p->data[0]; |
127 | ||
5c44784c JM |
128 | r = WordAt(p->data+4); |
129 | ||
130 | fprintf(fp,"R=%08x ",r); | |
131 | fprintf(fp,"%s ", r&0x80000000 ? "H<-T" : "H->T"); | |
132 | ||
c3f6f71d | 133 | switch (channel) |
5c44784c JM |
134 | { |
135 | case CI_PRIVATE: fprintf(fp,"CI_PRIVATE: "); break; | |
136 | case CI_HADP: fprintf(fp,"CI_HADP: "); break; | |
137 | case CI_TADP: fprintf(fp,"CI_TADP: "); break; | |
138 | case CI_HBOOT: fprintf(fp,"CI_HBOOT: "); break; | |
139 | case CI_TBOOT: fprintf(fp,"CI_TBOOT: "); break; | |
140 | case CI_CLIB: fprintf(fp,"CI_CLIB: "); break; | |
141 | case CI_HUDBG: fprintf(fp,"CI_HUDBG: "); break; | |
142 | case CI_TUDBG: fprintf(fp,"CI_TUDBG: "); break; | |
143 | case CI_HTDCC: fprintf(fp,"CI_HTDCC: "); break; | |
144 | case CI_TTDCC: fprintf(fp,"CI_TTDCC: "); break; | |
145 | case CI_TLOG: fprintf(fp,"CI_TLOG: "); break; | |
146 | default: fprintf(fp,"BadChan: "); break; | |
147 | } | |
148 | ||
149 | switch (r & 0xffffff) | |
150 | { | |
151 | case ADP_Booted: fprintf(fp," ADP_Booted "); break; | |
152 | #if defined(ADP_TargetResetIndication) | |
153 | case ADP_TargetResetIndication: fprintf(fp," ADP_TargetResetIndication "); break; | |
154 | #endif | |
155 | case ADP_Reboot: fprintf(fp," ADP_Reboot "); break; | |
156 | case ADP_Reset: fprintf(fp," ADP_Reset "); break; | |
157 | #if defined(ADP_HostResetIndication) | |
158 | case ADP_HostResetIndication: fprintf(fp," ADP_HostResetIndication "); break; | |
159 | #endif | |
160 | case ADP_ParamNegotiate: fprintf(fp," ADP_ParamNegotiate "); break; | |
161 | case ADP_LinkCheck: fprintf(fp," ADP_LinkCheck "); break; | |
162 | case ADP_HADPUnrecognised: fprintf(fp," ADP_HADPUnrecognised "); break; | |
163 | case ADP_Info: fprintf(fp," ADP_Info "); break; | |
164 | case ADP_Control: fprintf(fp," ADP_Control "); break; | |
165 | case ADP_Read: fprintf(fp," ADP_Read "); break; | |
166 | case ADP_Write: fprintf(fp," ADP_Write "); break; | |
167 | case ADP_CPUread: fprintf(fp," ADP_CPUread "); break; | |
168 | case ADP_CPUwrite: fprintf(fp," ADP_CPUwrite "); break; | |
169 | case ADP_CPread: fprintf(fp," ADP_CPread "); break; | |
170 | case ADP_CPwrite: fprintf(fp," ADP_CPwrite "); break; | |
171 | case ADP_SetBreak: fprintf(fp," ADP_SetBreak "); break; | |
172 | case ADP_ClearBreak: fprintf(fp," ADP_ClearBreak "); break; | |
173 | case ADP_SetWatch: fprintf(fp," ADP_SetWatch "); break; | |
174 | case ADP_ClearWatch: fprintf(fp," ADP_ClearWatch "); break; | |
175 | case ADP_Execute: fprintf(fp," ADP_Execute "); break; | |
176 | case ADP_Step: fprintf(fp," ADP_Step "); break; | |
177 | case ADP_InterruptRequest: fprintf(fp," ADP_InterruptRequest "); break; | |
178 | case ADP_HW_Emulation: fprintf(fp," ADP_HW_Emulation "); break; | |
179 | case ADP_ICEbreakerHADP: fprintf(fp," ADP_ICEbreakerHADP "); break; | |
180 | case ADP_ICEman: fprintf(fp," ADP_ICEman "); break; | |
181 | case ADP_Profile: fprintf(fp," ADP_Profile "); break; | |
182 | case ADP_InitialiseApplication: fprintf(fp," ADP_InitialiseApplication "); break; | |
183 | case ADP_End: fprintf(fp," ADP_End "); break; | |
184 | case ADP_TADPUnrecognised: fprintf(fp," ADP_TADPUnrecognised "); break; | |
185 | case ADP_Stopped: fprintf(fp," ADP_Stopped "); break; | |
186 | case ADP_TDCC_ToHost: fprintf(fp," ADP_TDCC_ToHost "); break; | |
187 | case ADP_TDCC_FromHost: fprintf(fp," ADP_TDCC_FromHost "); break; | |
c3f6f71d JM |
188 | |
189 | case CL_Unrecognised: fprintf(fp," CL_Unrecognised "); break; | |
190 | case CL_WriteC: fprintf(fp," CL_WriteC "); break; | |
191 | case CL_Write0: fprintf(fp," CL_Write0 "); break; | |
192 | case CL_ReadC: fprintf(fp," CL_ReadC "); break; | |
193 | case CL_System: fprintf(fp," CL_System "); break; | |
194 | case CL_GetCmdLine: fprintf(fp," CL_GetCmdLine "); break; | |
195 | case CL_Clock: fprintf(fp," CL_Clock "); break; | |
196 | case CL_Time: fprintf(fp," CL_Time "); break; | |
197 | case CL_Remove: fprintf(fp," CL_Remove "); break; | |
198 | case CL_Rename: fprintf(fp," CL_Rename "); break; | |
199 | case CL_Open: fprintf(fp," CL_Open "); break; | |
200 | case CL_Close: fprintf(fp," CL_Close "); break; | |
201 | case CL_Write: fprintf(fp," CL_Write "); break; | |
202 | case CL_WriteX: fprintf(fp," CL_WriteX "); break; | |
203 | case CL_Read: fprintf(fp," CL_Read "); break; | |
204 | case CL_ReadX: fprintf(fp," CL_ReadX "); break; | |
205 | case CL_Seek: fprintf(fp," CL_Seek "); break; | |
206 | case CL_Flen: fprintf(fp," CL_Flen "); break; | |
207 | case CL_IsTTY: fprintf(fp," CL_IsTTY "); break; | |
208 | case CL_TmpNam: fprintf(fp," CL_TmpNam "); break; | |
209 | ||
5c44784c JM |
210 | default: fprintf(fp," BadReason "); break; |
211 | } | |
212 | ||
213 | i = 20; | |
214 | ||
215 | if (((r & 0xffffff) == ADP_CPUread || | |
216 | (r & 0xffffff) == ADP_CPUwrite) && (r&0x80000000)==0) | |
217 | { | |
218 | fprintf(fp,"%02x ", p->data[i]); | |
219 | ++i; | |
220 | } | |
221 | ||
222 | for (; i<p->len; i+=4) | |
223 | fprintf(fp,"%08x ",WordAt(p->data+i)); | |
224 | ||
225 | fprintf(fp,"\n"); | |
226 | } | |
227 | ||
228 | ||
c906108c SS |
229 | /* |
230 | * TODO: this should be adjustable - it could be done by defining | |
231 | * a reason code for DevSW_Ioctl. It could even be a | |
232 | * per-devicechannel parameter. | |
233 | */ | |
234 | static const unsigned int allocsize = ADP_BUFFER_MIN_SIZE; | |
235 | ||
236 | #define illegalDevChanID(type) ((type) >= DC_NUM_CHANNELS) | |
237 | ||
238 | /**********************************************************************/ | |
239 | ||
240 | /* | |
241 | * Function: initialise_read | |
242 | * Purpose: Set up a read request for another packet | |
243 | * | |
244 | * Params: | |
245 | * In/Out: ds State structure to be initialised | |
246 | * | |
247 | * Returns: | |
248 | * OK: 0 | |
249 | * Error: -1 | |
250 | */ | |
251 | static int initialise_read(DevSWState *ds) | |
252 | { | |
253 | struct data_packet *dp; | |
254 | ||
255 | /* | |
256 | * try to claim the structure that will | |
257 | * eventually hold the new packet. | |
258 | */ | |
259 | if ((ds->ds_nextreadpacket = DevSW_AllocatePacket(allocsize)) == NULL) | |
260 | return -1; | |
261 | ||
262 | /* | |
263 | * Calls into the device driver use the DriverCall structure: use | |
264 | * the buffer we have just allocated, and declare its size. We | |
265 | * are also obliged to clear the driver's context pointer. | |
266 | */ | |
267 | dp = &ds->ds_activeread.dc_packet; | |
268 | dp->buf_len = allocsize; | |
269 | dp->data = ds->ds_nextreadpacket->pk_buffer; | |
270 | ||
271 | ds->ds_activeread.dc_context = NULL; | |
272 | ||
273 | return 0; | |
274 | } | |
275 | ||
276 | /* | |
277 | * Function: initialise_write | |
278 | * Purpose: Set up a write request for another packet | |
279 | * | |
280 | * Params: | |
281 | * Input: packet The packet to be written | |
282 | * | |
283 | * type The type of the packet | |
284 | * | |
285 | * In/Out: dc The structure to be intialised | |
286 | * | |
287 | * Returns: Nothing | |
288 | */ | |
289 | static void initialise_write(DriverCall *dc, Packet *packet, DevChanID type) | |
290 | { | |
291 | struct data_packet *dp = &dc->dc_packet; | |
292 | ||
293 | dp->len = packet->pk_length; | |
294 | dp->data = packet->pk_buffer; | |
295 | dp->type = type; | |
296 | ||
297 | /* | |
298 | * we are required to clear the state structure for the driver | |
299 | */ | |
300 | dc->dc_context = NULL; | |
301 | } | |
302 | ||
303 | /* | |
304 | * Function: enqueue_packet | |
305 | * Purpose: move a newly read packet onto the appropriate queue | |
306 | * of read packets | |
307 | * | |
308 | * Params: | |
309 | * In/Out: ds State structure with new packet | |
310 | * | |
311 | * Returns: Nothing | |
312 | */ | |
313 | static void enqueue_packet(DevSWState *ds) | |
314 | { | |
315 | struct data_packet *dp = &ds->ds_activeread.dc_packet; | |
316 | Packet *packet = ds->ds_nextreadpacket; | |
317 | ||
318 | /* | |
319 | * transfer the length | |
320 | */ | |
321 | packet->pk_length = dp->len; | |
322 | ||
323 | /* | |
324 | * take this packet out of the incoming slot | |
325 | */ | |
326 | ds->ds_nextreadpacket = NULL; | |
327 | ||
328 | /* | |
329 | * try to put it on the correct input queue | |
330 | */ | |
331 | if (illegalDevChanID(dp->type)) | |
332 | { | |
333 | /* this shouldn't happen */ | |
334 | WARN("Illegal type for Rx packet"); | |
335 | DevSW_FreePacket(packet); | |
336 | } | |
337 | else | |
338 | Adp_addToQueue(&ds->ds_readqueue[dp->type], packet); | |
339 | } | |
340 | ||
341 | /* | |
342 | * Function: flush_packet | |
343 | * Purpose: Send a packet to the device driver | |
344 | * | |
345 | * Params: | |
346 | * Input: device The device to be written to | |
347 | * | |
348 | * In/Out: dc Describes the packet to be sent | |
349 | * | |
350 | * Returns: Nothing | |
351 | * | |
352 | * Post-conditions: If the whole packet was accepted by the device | |
353 | * driver, then dc->dc_packet.data will be | |
354 | * set to NULL. | |
355 | */ | |
356 | static void flush_packet(const DeviceDescr *device, DriverCall *dc) | |
357 | { | |
358 | if (device->DeviceWrite(dc) > 0) | |
359 | /* | |
360 | * the whole packet was swallowed | |
361 | */ | |
362 | dc->dc_packet.data = NULL; | |
363 | } | |
364 | ||
365 | /**********************************************************************/ | |
366 | ||
367 | /* | |
368 | * These are the externally visible functions. They are documented in | |
369 | * devsw.h | |
370 | */ | |
371 | Packet *DevSW_AllocatePacket(const unsigned int length) | |
372 | { | |
373 | Packet *pk; | |
374 | ||
375 | if ((pk = malloc(sizeof(*pk))) == NULL) | |
376 | { | |
377 | WARN("malloc failure"); | |
378 | return NULL; | |
379 | } | |
380 | ||
381 | if ((pk->pk_buffer = malloc(length+CHAN_HEADER_SIZE)) == NULL) | |
382 | { | |
383 | WARN("malloc failure"); | |
384 | free(pk); | |
385 | return NULL; | |
386 | } | |
387 | ||
388 | return pk; | |
389 | } | |
390 | ||
391 | void DevSW_FreePacket(Packet *pk) | |
392 | { | |
393 | free(pk->pk_buffer); | |
394 | free(pk); | |
395 | } | |
396 | ||
397 | AdpErrs DevSW_Open(DeviceDescr *device, const char *name, const char *arg, | |
398 | const DevChanID type) | |
399 | { | |
400 | DevSWState *ds; | |
401 | ||
402 | /* | |
403 | * is this the very first open call for this driver? | |
404 | */ | |
405 | if ((ds = (DevSWState *)(device->SwitcherState)) == NULL) | |
406 | { | |
407 | /* | |
408 | * yes, it is: initialise state | |
409 | */ | |
410 | if ((ds = malloc(sizeof(*ds))) == NULL) | |
411 | /* give up */ | |
412 | return adp_malloc_failure; | |
413 | ||
414 | (void)memset(ds, 0, sizeof(*ds)); | |
415 | device->SwitcherState = (void *)ds; | |
416 | } | |
417 | ||
418 | /* | |
419 | * check that we haven't already been opened for this type | |
420 | */ | |
421 | if ((ds->ds_opendevchans & (1 << type)) != 0) | |
422 | return adp_device_already_open; | |
423 | ||
424 | /* | |
425 | * if no opens have been done for this device, then do it now | |
426 | */ | |
427 | if (ds->ds_opendevchans == 0) | |
428 | if (device->DeviceOpen(name, arg) < 0) | |
429 | return adp_device_open_failed; | |
430 | ||
431 | /* | |
432 | * open has finished | |
433 | */ | |
434 | ds->ds_opendevchans |= (1 << type); | |
435 | return adp_ok; | |
436 | } | |
437 | ||
438 | AdpErrs DevSW_Match(const DeviceDescr *device, const char *name, | |
439 | const char *arg) | |
440 | { | |
441 | return (device->DeviceMatch(name, arg) == -1) ? adp_failed : adp_ok; | |
442 | } | |
443 | ||
c3f6f71d | 444 | AdpErrs DevSW_Close (DeviceDescr *device, const DevChanID type) |
c906108c SS |
445 | { |
446 | DevSWState *ds = (DevSWState *)(device->SwitcherState); | |
447 | Packet *pk; | |
448 | ||
449 | if ((ds->ds_opendevchans & (1 << type)) == 0) | |
450 | return adp_device_not_open; | |
451 | ||
452 | ds->ds_opendevchans &= ~(1 << type); | |
453 | ||
454 | /* | |
455 | * if this is the last close for this channel, then inform the driver | |
456 | */ | |
457 | if (ds->ds_opendevchans == 0) | |
458 | device->DeviceClose(); | |
459 | ||
460 | /* | |
461 | * release all packets of the appropriate type | |
462 | */ | |
463 | for (pk = Adp_removeFromQueue(&(ds->ds_readqueue[type])); | |
464 | pk != NULL; | |
465 | pk = Adp_removeFromQueue(&(ds->ds_readqueue[type]))) | |
466 | DevSW_FreePacket(pk); | |
467 | ||
468 | /* Free memory */ | |
469 | free ((char *) device->SwitcherState); | |
470 | device->SwitcherState = 0x0; | |
471 | ||
472 | /* that's all */ | |
473 | return adp_ok; | |
474 | } | |
475 | ||
476 | AdpErrs DevSW_Read(const DeviceDescr *device, const DevChanID type, | |
477 | Packet **packet, bool block) | |
478 | { | |
479 | int read_err; | |
480 | DevSWState *ds = device->SwitcherState; | |
481 | ||
482 | /* | |
483 | * To try to get information out of the device driver as | |
484 | * quickly as possible, we try and read more packets, even | |
485 | * if a completed packet is already available. | |
486 | */ | |
487 | ||
488 | /* | |
489 | * have we got a packet currently pending? | |
490 | */ | |
491 | if (ds->ds_nextreadpacket == NULL) | |
492 | /* | |
493 | * no - set things up | |
494 | */ | |
495 | if (initialise_read(ds) < 0) { | |
496 | /* | |
497 | * we failed to initialise the next packet, but can | |
498 | * still return a packet that has already arrived. | |
499 | */ | |
500 | *packet = Adp_removeFromQueue(&ds->ds_readqueue[type]); | |
501 | return adp_ok; | |
502 | } | |
503 | read_err = device->DeviceRead(&ds->ds_activeread, block); | |
504 | switch (read_err) { | |
505 | case 1: | |
506 | /* | |
507 | * driver has pulled in a complete packet, queue it up | |
508 | */ | |
509 | #ifdef RET_DEBUG | |
510 | printf("got a complete packet\n"); | |
511 | #endif | |
5c44784c JM |
512 | |
513 | if (angelDebugLogEnable) | |
514 | dumpPacket(angelDebugLogFile,"rx:",&ds->ds_activeread.dc_packet); | |
515 | ||
c906108c SS |
516 | enqueue_packet(ds); |
517 | *packet = Adp_removeFromQueue(&ds->ds_readqueue[type]); | |
518 | return adp_ok; | |
519 | case 0: | |
520 | /* | |
521 | * OK, return the head of the read queue for the given type | |
522 | */ | |
523 | /* enqueue_packet(ds); */ | |
524 | *packet = Adp_removeFromQueue(&ds->ds_readqueue[type]); | |
525 | return adp_ok; | |
526 | case -1: | |
527 | #ifdef RET_DEBUG | |
528 | printf("got a bad packet\n"); | |
529 | #endif | |
530 | /* bad packet */ | |
531 | *packet = NULL; | |
532 | return adp_bad_packet; | |
533 | default: | |
534 | panic("DevSW_Read: bad read status %d", read_err); | |
535 | } | |
536 | return 0; /* get rid of a potential compiler warning */ | |
537 | } | |
538 | ||
539 | ||
540 | AdpErrs DevSW_FlushPendingWrite(const DeviceDescr *device) | |
541 | { | |
542 | struct DriverCall *dc; | |
543 | struct data_packet *dp; | |
544 | ||
545 | dc = &((DevSWState *)(device->SwitcherState))->ds_activewrite; | |
546 | dp = &dc->dc_packet; | |
547 | ||
548 | /* | |
549 | * try to flush any packet that is still being written | |
550 | */ | |
551 | if (dp->data != NULL) | |
552 | { | |
553 | flush_packet(device, dc); | |
554 | ||
555 | /* see if it has gone */ | |
556 | if (dp->data != NULL) | |
557 | return adp_write_busy; | |
558 | else | |
559 | return adp_ok; | |
560 | } | |
561 | else | |
562 | return adp_ok; | |
563 | } | |
564 | ||
565 | ||
566 | AdpErrs DevSW_Write(const DeviceDescr *device, Packet *packet, DevChanID type) | |
567 | { | |
568 | struct DriverCall *dc; | |
569 | struct data_packet *dp; | |
570 | ||
571 | dc = &((DevSWState *)(device->SwitcherState))->ds_activewrite; | |
572 | dp = &dc->dc_packet; | |
573 | ||
574 | if (illegalDevChanID(type)) | |
575 | return adp_illegal_args; | |
576 | ||
577 | /* | |
578 | * try to flush any packet that is still being written | |
579 | */ | |
580 | if (DevSW_FlushPendingWrite(device) != adp_ok) | |
581 | return adp_write_busy; | |
582 | ||
583 | /* | |
584 | * we can take this packet - set things up, then try to get rid of it | |
585 | */ | |
586 | initialise_write(dc, packet, type); | |
5c44784c JM |
587 | |
588 | if (angelDebugLogEnable) | |
589 | dumpPacket(angelDebugLogFile,"tx:",&dc->dc_packet); | |
590 | ||
c906108c SS |
591 | flush_packet(device, dc); |
592 | ||
593 | return adp_ok; | |
594 | } | |
595 | ||
596 | AdpErrs DevSW_Ioctl(const DeviceDescr *device, const int opcode, void *args) | |
597 | { | |
598 | return (device->DeviceIoctl(opcode, args) < 0) ? adp_failed : adp_ok; | |
599 | } | |
600 | ||
601 | bool DevSW_WriteFinished(const DeviceDescr *device) | |
602 | { | |
603 | struct DriverCall *dc; | |
604 | struct data_packet *dp; | |
605 | ||
606 | dc = &((DevSWState *)(device->SwitcherState))->ds_activewrite; | |
607 | dp = &dc->dc_packet; | |
608 | ||
609 | return (dp == NULL || dp->data == NULL); | |
610 | } | |
611 | ||
612 | /* EOF devsw.c */ |