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headers: remove sched.h from interrupt.h
[deliverable/linux.git] / drivers / char / rio / rioctrl.c
1 /*
2 ** -----------------------------------------------------------------------------
3 **
4 ** Perle Specialix driver for Linux
5 ** Ported from existing RIO Driver for SCO sources.
6 *
7 * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 **
23 ** Module : rioctrl.c
24 ** SID : 1.3
25 ** Last Modified : 11/6/98 10:33:42
26 ** Retrieved : 11/6/98 10:33:49
27 **
28 ** ident @(#)rioctrl.c 1.3
29 **
30 ** -----------------------------------------------------------------------------
31 */
32
33 #include <linux/module.h>
34 #include <linux/sched.h>
35 #include <linux/slab.h>
36 #include <linux/errno.h>
37 #include <asm/io.h>
38 #include <asm/system.h>
39 #include <asm/string.h>
40 #include <asm/uaccess.h>
41
42 #include <linux/termios.h>
43 #include <linux/serial.h>
44
45 #include <linux/generic_serial.h>
46
47
48 #include "linux_compat.h"
49 #include "rio_linux.h"
50 #include "pkt.h"
51 #include "daemon.h"
52 #include "rio.h"
53 #include "riospace.h"
54 #include "cmdpkt.h"
55 #include "map.h"
56 #include "rup.h"
57 #include "port.h"
58 #include "riodrvr.h"
59 #include "rioinfo.h"
60 #include "func.h"
61 #include "errors.h"
62 #include "pci.h"
63
64 #include "parmmap.h"
65 #include "unixrup.h"
66 #include "board.h"
67 #include "host.h"
68 #include "phb.h"
69 #include "link.h"
70 #include "cmdblk.h"
71 #include "route.h"
72 #include "cirrus.h"
73 #include "rioioctl.h"
74
75
76 static struct LpbReq LpbReq;
77 static struct RupReq RupReq;
78 static struct PortReq PortReq;
79 static struct HostReq HostReq; /* oh really? global? and no locking? */
80 static struct HostDpRam HostDpRam;
81 static struct DebugCtrl DebugCtrl;
82 static struct Map MapEnt;
83 static struct PortSetup PortSetup;
84 static struct DownLoad DownLoad;
85 static struct SendPack SendPack;
86 /* static struct StreamInfo StreamInfo; */
87 /* static char modemtable[RIO_PORTS]; */
88 static struct SpecialRupCmd SpecialRupCmd;
89 static struct PortParams PortParams;
90 static struct portStats portStats;
91
92 static struct SubCmdStruct {
93 ushort Host;
94 ushort Rup;
95 ushort Port;
96 ushort Addr;
97 } SubCmd;
98
99 struct PortTty {
100 uint port;
101 struct ttystatics Tty;
102 };
103
104 static struct PortTty PortTty;
105 typedef struct ttystatics TERMIO;
106
107 /*
108 ** This table is used when the config.rio downloads bin code to the
109 ** driver. We index the table using the product code, 0-F, and call
110 ** the function pointed to by the entry, passing the information
111 ** about the boot.
112 ** The RIOBootCodeUNKNOWN entry is there to politely tell the calling
113 ** process to bog off.
114 */
115 static int
116 (*RIOBootTable[MAX_PRODUCT]) (struct rio_info *, struct DownLoad *) = {
117 /* 0 */ RIOBootCodeHOST,
118 /* Host Card */
119 /* 1 */ RIOBootCodeRTA,
120 /* RTA */
121 };
122
123 #define drv_makedev(maj, min) ((((uint) maj & 0xff) << 8) | ((uint) min & 0xff))
124
125 static int copy_from_io(void __user *to, void __iomem *from, size_t size)
126 {
127 void *buf = kmalloc(size, GFP_KERNEL);
128 int res = -ENOMEM;
129 if (buf) {
130 rio_memcpy_fromio(buf, from, size);
131 res = copy_to_user(to, buf, size);
132 kfree(buf);
133 }
134 return res;
135 }
136
137 int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su)
138 {
139 uint Host; /* leave me unsigned! */
140 uint port; /* and me! */
141 struct Host *HostP;
142 ushort loop;
143 int Entry;
144 struct Port *PortP;
145 struct PKT __iomem *PacketP;
146 int retval = 0;
147 unsigned long flags;
148 void __user *argp = (void __user *)arg;
149
150 func_enter();
151
152 /* Confuse the compiler to think that we've initialized these */
153 Host = 0;
154 PortP = NULL;
155
156 rio_dprintk(RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: %p\n", cmd, argp);
157
158 switch (cmd) {
159 /*
160 ** RIO_SET_TIMER
161 **
162 ** Change the value of the host card interrupt timer.
163 ** If the host card number is -1 then all host cards are changed
164 ** otherwise just the specified host card will be changed.
165 */
166 case RIO_SET_TIMER:
167 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_TIMER to %ldms\n", arg);
168 {
169 int host, value;
170 host = (arg >> 16) & 0x0000FFFF;
171 value = arg & 0x0000ffff;
172 if (host == -1) {
173 for (host = 0; host < p->RIONumHosts; host++) {
174 if (p->RIOHosts[host].Flags == RC_RUNNING) {
175 writew(value, &p->RIOHosts[host].ParmMapP->timer);
176 }
177 }
178 } else if (host >= p->RIONumHosts) {
179 return -EINVAL;
180 } else {
181 if (p->RIOHosts[host].Flags == RC_RUNNING) {
182 writew(value, &p->RIOHosts[host].ParmMapP->timer);
183 }
184 }
185 }
186 return 0;
187
188 case RIO_FOAD_RTA:
189 rio_dprintk(RIO_DEBUG_CTRL, "RIO_FOAD_RTA\n");
190 return RIOCommandRta(p, arg, RIOFoadRta);
191
192 case RIO_ZOMBIE_RTA:
193 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ZOMBIE_RTA\n");
194 return RIOCommandRta(p, arg, RIOZombieRta);
195
196 case RIO_IDENTIFY_RTA:
197 rio_dprintk(RIO_DEBUG_CTRL, "RIO_IDENTIFY_RTA\n");
198 return RIOIdentifyRta(p, argp);
199
200 case RIO_KILL_NEIGHBOUR:
201 rio_dprintk(RIO_DEBUG_CTRL, "RIO_KILL_NEIGHBOUR\n");
202 return RIOKillNeighbour(p, argp);
203
204 case SPECIAL_RUP_CMD:
205 {
206 struct CmdBlk *CmdBlkP;
207
208 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD\n");
209 if (copy_from_user(&SpecialRupCmd, argp, sizeof(SpecialRupCmd))) {
210 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD copy failed\n");
211 p->RIOError.Error = COPYIN_FAILED;
212 return -EFAULT;
213 }
214 CmdBlkP = RIOGetCmdBlk();
215 if (!CmdBlkP) {
216 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD GetCmdBlk failed\n");
217 return -ENXIO;
218 }
219 CmdBlkP->Packet = SpecialRupCmd.Packet;
220 if (SpecialRupCmd.Host >= p->RIONumHosts)
221 SpecialRupCmd.Host = 0;
222 rio_dprintk(RIO_DEBUG_CTRL, "Queue special rup command for host %d rup %d\n", SpecialRupCmd.Host, SpecialRupCmd.RupNum);
223 if (RIOQueueCmdBlk(&p->RIOHosts[SpecialRupCmd.Host], SpecialRupCmd.RupNum, CmdBlkP) == RIO_FAIL) {
224 printk(KERN_WARNING "rio: FAILED TO QUEUE SPECIAL RUP COMMAND\n");
225 }
226 return 0;
227 }
228
229 case RIO_DEBUG_MEM:
230 return -EPERM;
231
232 case RIO_ALL_MODEM:
233 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ALL_MODEM\n");
234 p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
235 return -EINVAL;
236
237 case RIO_GET_TABLE:
238 /*
239 ** Read the routing table from the device driver to user space
240 */
241 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE\n");
242
243 if ((retval = RIOApel(p)) != 0)
244 return retval;
245
246 if (copy_to_user(argp, p->RIOConnectTable, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
247 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE copy failed\n");
248 p->RIOError.Error = COPYOUT_FAILED;
249 return -EFAULT;
250 }
251
252 {
253 int entry;
254 rio_dprintk(RIO_DEBUG_CTRL, "*****\nMAP ENTRIES\n");
255 for (entry = 0; entry < TOTAL_MAP_ENTRIES; entry++) {
256 if ((p->RIOConnectTable[entry].ID == 0) && (p->RIOConnectTable[entry].HostUniqueNum == 0) && (p->RIOConnectTable[entry].RtaUniqueNum == 0))
257 continue;
258
259 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum);
260 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum);
261 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID);
262 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2);
263 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Flags = 0x%x\n", entry, (int) p->RIOConnectTable[entry].Flags);
264 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.SysPort = 0x%x\n", entry, (int) p->RIOConnectTable[entry].SysPort);
265 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Unit);
266 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Link);
267 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Unit);
268 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Link);
269 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Unit);
270 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Link);
271 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[3].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Unit);
272 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[4].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Link);
273 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name);
274 }
275 rio_dprintk(RIO_DEBUG_CTRL, "*****\nEND MAP ENTRIES\n");
276 }
277 p->RIOQuickCheck = NOT_CHANGED; /* a table has been gotten */
278 return 0;
279
280 case RIO_PUT_TABLE:
281 /*
282 ** Write the routing table to the device driver from user space
283 */
284 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE\n");
285
286 if (!su) {
287 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE !Root\n");
288 p->RIOError.Error = NOT_SUPER_USER;
289 return -EPERM;
290 }
291 if (copy_from_user(&p->RIOConnectTable[0], argp, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
292 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE copy failed\n");
293 p->RIOError.Error = COPYIN_FAILED;
294 return -EFAULT;
295 }
296 /*
297 ***********************************
298 {
299 int entry;
300 rio_dprint(RIO_DEBUG_CTRL, ("*****\nMAP ENTRIES\n") );
301 for ( entry=0; entry<TOTAL_MAP_ENTRIES; entry++ )
302 {
303 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum ) );
304 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum ) );
305 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID ) );
306 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2 ) );
307 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Flags = 0x%x\n", entry, p->RIOConnectTable[entry].Flags ) );
308 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.SysPort = 0x%x\n", entry, p->RIOConnectTable[entry].SysPort ) );
309 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[0].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Unit ) );
310 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[0].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Link ) );
311 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[1].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Unit ) );
312 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[1].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Link ) );
313 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[2].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Unit ) );
314 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[2].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Link ) );
315 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[3].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Unit ) );
316 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[4].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Link ) );
317 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name ) );
318 }
319 rio_dprint(RIO_DEBUG_CTRL, ("*****\nEND MAP ENTRIES\n") );
320 }
321 ***********************************
322 */
323 return RIONewTable(p);
324
325 case RIO_GET_BINDINGS:
326 /*
327 ** Send bindings table, containing unique numbers of RTAs owned
328 ** by this system to user space
329 */
330 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS\n");
331
332 if (!su) {
333 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS !Root\n");
334 p->RIOError.Error = NOT_SUPER_USER;
335 return -EPERM;
336 }
337 if (copy_to_user(argp, p->RIOBindTab, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
338 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS copy failed\n");
339 p->RIOError.Error = COPYOUT_FAILED;
340 return -EFAULT;
341 }
342 return 0;
343
344 case RIO_PUT_BINDINGS:
345 /*
346 ** Receive a bindings table, containing unique numbers of RTAs owned
347 ** by this system
348 */
349 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS\n");
350
351 if (!su) {
352 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS !Root\n");
353 p->RIOError.Error = NOT_SUPER_USER;
354 return -EPERM;
355 }
356 if (copy_from_user(&p->RIOBindTab[0], argp, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
357 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS copy failed\n");
358 p->RIOError.Error = COPYIN_FAILED;
359 return -EFAULT;
360 }
361 return 0;
362
363 case RIO_BIND_RTA:
364 {
365 int EmptySlot = -1;
366 /*
367 ** Bind this RTA to host, so that it will be booted by
368 ** host in 'boot owned RTAs' mode.
369 */
370 rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA\n");
371
372 if (!su) {
373 rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA !Root\n");
374 p->RIOError.Error = NOT_SUPER_USER;
375 return -EPERM;
376 }
377 for (Entry = 0; Entry < MAX_RTA_BINDINGS; Entry++) {
378 if ((EmptySlot == -1) && (p->RIOBindTab[Entry] == 0L))
379 EmptySlot = Entry;
380 else if (p->RIOBindTab[Entry] == arg) {
381 /*
382 ** Already exists - delete
383 */
384 p->RIOBindTab[Entry] = 0L;
385 rio_dprintk(RIO_DEBUG_CTRL, "Removing Rta %ld from p->RIOBindTab\n", arg);
386 return 0;
387 }
388 }
389 /*
390 ** Dosen't exist - add
391 */
392 if (EmptySlot != -1) {
393 p->RIOBindTab[EmptySlot] = arg;
394 rio_dprintk(RIO_DEBUG_CTRL, "Adding Rta %lx to p->RIOBindTab\n", arg);
395 } else {
396 rio_dprintk(RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %lx not added\n", arg);
397 return -ENOMEM;
398 }
399 return 0;
400 }
401
402 case RIO_RESUME:
403 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME\n");
404 port = arg;
405 if ((port < 0) || (port > 511)) {
406 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Bad port number %d\n", port);
407 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
408 return -EINVAL;
409 }
410 PortP = p->RIOPortp[port];
411 if (!PortP->Mapped) {
412 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not mapped\n", port);
413 p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
414 return -EINVAL;
415 }
416 if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) {
417 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not open\n", port);
418 return -EINVAL;
419 }
420
421 rio_spin_lock_irqsave(&PortP->portSem, flags);
422 if (RIOPreemptiveCmd(p, (p->RIOPortp[port]), RIOC_RESUME) ==
423 RIO_FAIL) {
424 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME failed\n");
425 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
426 return -EBUSY;
427 } else {
428 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d resumed\n", port);
429 PortP->State |= RIO_BUSY;
430 }
431 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
432 return retval;
433
434 case RIO_ASSIGN_RTA:
435 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA\n");
436 if (!su) {
437 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA !Root\n");
438 p->RIOError.Error = NOT_SUPER_USER;
439 return -EPERM;
440 }
441 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
442 rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
443 p->RIOError.Error = COPYIN_FAILED;
444 return -EFAULT;
445 }
446 return RIOAssignRta(p, &MapEnt);
447
448 case RIO_CHANGE_NAME:
449 rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME\n");
450 if (!su) {
451 rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME !Root\n");
452 p->RIOError.Error = NOT_SUPER_USER;
453 return -EPERM;
454 }
455 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
456 rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
457 p->RIOError.Error = COPYIN_FAILED;
458 return -EFAULT;
459 }
460 return RIOChangeName(p, &MapEnt);
461
462 case RIO_DELETE_RTA:
463 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA\n");
464 if (!su) {
465 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA !Root\n");
466 p->RIOError.Error = NOT_SUPER_USER;
467 return -EPERM;
468 }
469 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
470 rio_dprintk(RIO_DEBUG_CTRL, "Copy from data space failed\n");
471 p->RIOError.Error = COPYIN_FAILED;
472 return -EFAULT;
473 }
474 return RIODeleteRta(p, &MapEnt);
475
476 case RIO_QUICK_CHECK:
477 if (copy_to_user(argp, &p->RIORtaDisCons, sizeof(unsigned int))) {
478 p->RIOError.Error = COPYOUT_FAILED;
479 return -EFAULT;
480 }
481 return 0;
482
483 case RIO_LAST_ERROR:
484 if (copy_to_user(argp, &p->RIOError, sizeof(struct Error)))
485 return -EFAULT;
486 return 0;
487
488 case RIO_GET_LOG:
489 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_LOG\n");
490 return -EINVAL;
491
492 case RIO_GET_MODTYPE:
493 if (copy_from_user(&port, argp, sizeof(unsigned int))) {
494 p->RIOError.Error = COPYIN_FAILED;
495 return -EFAULT;
496 }
497 rio_dprintk(RIO_DEBUG_CTRL, "Get module type for port %d\n", port);
498 if (port < 0 || port > 511) {
499 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Bad port number %d\n", port);
500 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
501 return -EINVAL;
502 }
503 PortP = (p->RIOPortp[port]);
504 if (!PortP->Mapped) {
505 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Port %d not mapped\n", port);
506 p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
507 return -EINVAL;
508 }
509 /*
510 ** Return module type of port
511 */
512 port = PortP->HostP->UnixRups[PortP->RupNum].ModTypes;
513 if (copy_to_user(argp, &port, sizeof(unsigned int))) {
514 p->RIOError.Error = COPYOUT_FAILED;
515 return -EFAULT;
516 }
517 return (0);
518 case RIO_BLOCK_OPENS:
519 rio_dprintk(RIO_DEBUG_CTRL, "Opens block until booted\n");
520 for (Entry = 0; Entry < RIO_PORTS; Entry++) {
521 rio_spin_lock_irqsave(&PortP->portSem, flags);
522 p->RIOPortp[Entry]->WaitUntilBooted = 1;
523 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
524 }
525 return 0;
526
527 case RIO_SETUP_PORTS:
528 rio_dprintk(RIO_DEBUG_CTRL, "Setup ports\n");
529 if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
530 p->RIOError.Error = COPYIN_FAILED;
531 rio_dprintk(RIO_DEBUG_CTRL, "EFAULT");
532 return -EFAULT;
533 }
534 if (PortSetup.From > PortSetup.To || PortSetup.To >= RIO_PORTS) {
535 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
536 rio_dprintk(RIO_DEBUG_CTRL, "ENXIO");
537 return -ENXIO;
538 }
539 if (PortSetup.XpCps > p->RIOConf.MaxXpCps || PortSetup.XpCps < p->RIOConf.MinXpCps) {
540 p->RIOError.Error = XPRINT_CPS_OUT_OF_RANGE;
541 rio_dprintk(RIO_DEBUG_CTRL, "EINVAL");
542 return -EINVAL;
543 }
544 if (!p->RIOPortp) {
545 printk(KERN_ERR "rio: No p->RIOPortp array!\n");
546 rio_dprintk(RIO_DEBUG_CTRL, "No p->RIOPortp array!\n");
547 return -EIO;
548 }
549 rio_dprintk(RIO_DEBUG_CTRL, "entering loop (%d %d)!\n", PortSetup.From, PortSetup.To);
550 for (loop = PortSetup.From; loop <= PortSetup.To; loop++) {
551 rio_dprintk(RIO_DEBUG_CTRL, "in loop (%d)!\n", loop);
552 }
553 rio_dprintk(RIO_DEBUG_CTRL, "after loop (%d)!\n", loop);
554 rio_dprintk(RIO_DEBUG_CTRL, "Retval:%x\n", retval);
555 return retval;
556
557 case RIO_GET_PORT_SETUP:
558 rio_dprintk(RIO_DEBUG_CTRL, "Get port setup\n");
559 if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
560 p->RIOError.Error = COPYIN_FAILED;
561 return -EFAULT;
562 }
563 if (PortSetup.From >= RIO_PORTS) {
564 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
565 return -ENXIO;
566 }
567
568 port = PortSetup.To = PortSetup.From;
569 PortSetup.IxAny = (p->RIOPortp[port]->Config & RIO_IXANY) ? 1 : 0;
570 PortSetup.IxOn = (p->RIOPortp[port]->Config & RIO_IXON) ? 1 : 0;
571 PortSetup.Drain = (p->RIOPortp[port]->Config & RIO_WAITDRAIN) ? 1 : 0;
572 PortSetup.Store = p->RIOPortp[port]->Store;
573 PortSetup.Lock = p->RIOPortp[port]->Lock;
574 PortSetup.XpCps = p->RIOPortp[port]->Xprint.XpCps;
575 memcpy(PortSetup.XpOn, p->RIOPortp[port]->Xprint.XpOn, MAX_XP_CTRL_LEN);
576 memcpy(PortSetup.XpOff, p->RIOPortp[port]->Xprint.XpOff, MAX_XP_CTRL_LEN);
577 PortSetup.XpOn[MAX_XP_CTRL_LEN - 1] = '\0';
578 PortSetup.XpOff[MAX_XP_CTRL_LEN - 1] = '\0';
579
580 if (copy_to_user(argp, &PortSetup, sizeof(PortSetup))) {
581 p->RIOError.Error = COPYOUT_FAILED;
582 return -EFAULT;
583 }
584 return retval;
585
586 case RIO_GET_PORT_PARAMS:
587 rio_dprintk(RIO_DEBUG_CTRL, "Get port params\n");
588 if (copy_from_user(&PortParams, argp, sizeof(struct PortParams))) {
589 p->RIOError.Error = COPYIN_FAILED;
590 return -EFAULT;
591 }
592 if (PortParams.Port >= RIO_PORTS) {
593 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
594 return -ENXIO;
595 }
596 PortP = (p->RIOPortp[PortParams.Port]);
597 PortParams.Config = PortP->Config;
598 PortParams.State = PortP->State;
599 rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortParams.Port);
600
601 if (copy_to_user(argp, &PortParams, sizeof(struct PortParams))) {
602 p->RIOError.Error = COPYOUT_FAILED;
603 return -EFAULT;
604 }
605 return retval;
606
607 case RIO_GET_PORT_TTY:
608 rio_dprintk(RIO_DEBUG_CTRL, "Get port tty\n");
609 if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
610 p->RIOError.Error = COPYIN_FAILED;
611 return -EFAULT;
612 }
613 if (PortTty.port >= RIO_PORTS) {
614 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
615 return -ENXIO;
616 }
617
618 rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortTty.port);
619 PortP = (p->RIOPortp[PortTty.port]);
620 if (copy_to_user(argp, &PortTty, sizeof(struct PortTty))) {
621 p->RIOError.Error = COPYOUT_FAILED;
622 return -EFAULT;
623 }
624 return retval;
625
626 case RIO_SET_PORT_TTY:
627 if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
628 p->RIOError.Error = COPYIN_FAILED;
629 return -EFAULT;
630 }
631 rio_dprintk(RIO_DEBUG_CTRL, "Set port %d tty\n", PortTty.port);
632 if (PortTty.port >= (ushort) RIO_PORTS) {
633 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
634 return -ENXIO;
635 }
636 PortP = (p->RIOPortp[PortTty.port]);
637 RIOParam(PortP, RIOC_CONFIG, PortP->State & RIO_MODEM,
638 OK_TO_SLEEP);
639 return retval;
640
641 case RIO_SET_PORT_PARAMS:
642 rio_dprintk(RIO_DEBUG_CTRL, "Set port params\n");
643 if (copy_from_user(&PortParams, argp, sizeof(PortParams))) {
644 p->RIOError.Error = COPYIN_FAILED;
645 return -EFAULT;
646 }
647 if (PortParams.Port >= (ushort) RIO_PORTS) {
648 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
649 return -ENXIO;
650 }
651 PortP = (p->RIOPortp[PortParams.Port]);
652 rio_spin_lock_irqsave(&PortP->portSem, flags);
653 PortP->Config = PortParams.Config;
654 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
655 return retval;
656
657 case RIO_GET_PORT_STATS:
658 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_PORT_STATS\n");
659 if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
660 p->RIOError.Error = COPYIN_FAILED;
661 return -EFAULT;
662 }
663 if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
664 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
665 return -ENXIO;
666 }
667 PortP = (p->RIOPortp[portStats.port]);
668 portStats.gather = PortP->statsGather;
669 portStats.txchars = PortP->txchars;
670 portStats.rxchars = PortP->rxchars;
671 portStats.opens = PortP->opens;
672 portStats.closes = PortP->closes;
673 portStats.ioctls = PortP->ioctls;
674 if (copy_to_user(argp, &portStats, sizeof(struct portStats))) {
675 p->RIOError.Error = COPYOUT_FAILED;
676 return -EFAULT;
677 }
678 return retval;
679
680 case RIO_RESET_PORT_STATS:
681 port = arg;
682 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESET_PORT_STATS\n");
683 if (port >= RIO_PORTS) {
684 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
685 return -ENXIO;
686 }
687 PortP = (p->RIOPortp[port]);
688 rio_spin_lock_irqsave(&PortP->portSem, flags);
689 PortP->txchars = 0;
690 PortP->rxchars = 0;
691 PortP->opens = 0;
692 PortP->closes = 0;
693 PortP->ioctls = 0;
694 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
695 return retval;
696
697 case RIO_GATHER_PORT_STATS:
698 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GATHER_PORT_STATS\n");
699 if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
700 p->RIOError.Error = COPYIN_FAILED;
701 return -EFAULT;
702 }
703 if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
704 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
705 return -ENXIO;
706 }
707 PortP = (p->RIOPortp[portStats.port]);
708 rio_spin_lock_irqsave(&PortP->portSem, flags);
709 PortP->statsGather = portStats.gather;
710 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
711 return retval;
712
713 case RIO_READ_CONFIG:
714 rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_CONFIG\n");
715 if (copy_to_user(argp, &p->RIOConf, sizeof(struct Conf))) {
716 p->RIOError.Error = COPYOUT_FAILED;
717 return -EFAULT;
718 }
719 return retval;
720
721 case RIO_SET_CONFIG:
722 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_CONFIG\n");
723 if (!su) {
724 p->RIOError.Error = NOT_SUPER_USER;
725 return -EPERM;
726 }
727 if (copy_from_user(&p->RIOConf, argp, sizeof(struct Conf))) {
728 p->RIOError.Error = COPYIN_FAILED;
729 return -EFAULT;
730 }
731 /*
732 ** move a few value around
733 */
734 for (Host = 0; Host < p->RIONumHosts; Host++)
735 if ((p->RIOHosts[Host].Flags & RUN_STATE) == RC_RUNNING)
736 writew(p->RIOConf.Timer, &p->RIOHosts[Host].ParmMapP->timer);
737 return retval;
738
739 case RIO_START_POLLER:
740 rio_dprintk(RIO_DEBUG_CTRL, "RIO_START_POLLER\n");
741 return -EINVAL;
742
743 case RIO_STOP_POLLER:
744 rio_dprintk(RIO_DEBUG_CTRL, "RIO_STOP_POLLER\n");
745 if (!su) {
746 p->RIOError.Error = NOT_SUPER_USER;
747 return -EPERM;
748 }
749 p->RIOPolling = NOT_POLLING;
750 return retval;
751
752 case RIO_SETDEBUG:
753 case RIO_GETDEBUG:
754 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG/RIO_GETDEBUG\n");
755 if (copy_from_user(&DebugCtrl, argp, sizeof(DebugCtrl))) {
756 p->RIOError.Error = COPYIN_FAILED;
757 return -EFAULT;
758 }
759 if (DebugCtrl.SysPort == NO_PORT) {
760 if (cmd == RIO_SETDEBUG) {
761 if (!su) {
762 p->RIOError.Error = NOT_SUPER_USER;
763 return -EPERM;
764 }
765 p->rio_debug = DebugCtrl.Debug;
766 p->RIODebugWait = DebugCtrl.Wait;
767 rio_dprintk(RIO_DEBUG_CTRL, "Set global debug to 0x%x set wait to 0x%x\n", p->rio_debug, p->RIODebugWait);
768 } else {
769 rio_dprintk(RIO_DEBUG_CTRL, "Get global debug 0x%x wait 0x%x\n", p->rio_debug, p->RIODebugWait);
770 DebugCtrl.Debug = p->rio_debug;
771 DebugCtrl.Wait = p->RIODebugWait;
772 if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
773 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort);
774 p->RIOError.Error = COPYOUT_FAILED;
775 return -EFAULT;
776 }
777 }
778 } else if (DebugCtrl.SysPort >= RIO_PORTS && DebugCtrl.SysPort != NO_PORT) {
779 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort);
780 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
781 return -ENXIO;
782 } else if (cmd == RIO_SETDEBUG) {
783 if (!su) {
784 p->RIOError.Error = NOT_SUPER_USER;
785 return -EPERM;
786 }
787 rio_spin_lock_irqsave(&PortP->portSem, flags);
788 p->RIOPortp[DebugCtrl.SysPort]->Debug = DebugCtrl.Debug;
789 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
790 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug);
791 } else {
792 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug);
793 DebugCtrl.Debug = p->RIOPortp[DebugCtrl.SysPort]->Debug;
794 if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
795 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG: Bad copy to user space\n");
796 p->RIOError.Error = COPYOUT_FAILED;
797 return -EFAULT;
798 }
799 }
800 return retval;
801
802 case RIO_VERSID:
803 /*
804 ** Enquire about the release and version.
805 ** We return MAX_VERSION_LEN bytes, being a
806 ** textual null terminated string.
807 */
808 rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID\n");
809 if (copy_to_user(argp, RIOVersid(), sizeof(struct rioVersion))) {
810 rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID: Bad copy to user space (host=%d)\n", Host);
811 p->RIOError.Error = COPYOUT_FAILED;
812 return -EFAULT;
813 }
814 return retval;
815
816 case RIO_NUM_HOSTS:
817 /*
818 ** Enquire as to the number of hosts located
819 ** at init time.
820 */
821 rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS\n");
822 if (copy_to_user(argp, &p->RIONumHosts, sizeof(p->RIONumHosts))) {
823 rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS: Bad copy to user space\n");
824 p->RIOError.Error = COPYOUT_FAILED;
825 return -EFAULT;
826 }
827 return retval;
828
829 case RIO_HOST_FOAD:
830 /*
831 ** Kill host. This may not be in the final version...
832 */
833 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD %ld\n", arg);
834 if (!su) {
835 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD: Not super user\n");
836 p->RIOError.Error = NOT_SUPER_USER;
837 return -EPERM;
838 }
839 p->RIOHalted = 1;
840 p->RIOSystemUp = 0;
841
842 for (Host = 0; Host < p->RIONumHosts; Host++) {
843 (void) RIOBoardTest(p->RIOHosts[Host].PaddrP, p->RIOHosts[Host].Caddr, p->RIOHosts[Host].Type, p->RIOHosts[Host].Slot);
844 memset(&p->RIOHosts[Host].Flags, 0, ((char *) &p->RIOHosts[Host].____end_marker____) - ((char *) &p->RIOHosts[Host].Flags));
845 p->RIOHosts[Host].Flags = RC_WAITING;
846 }
847 RIOFoadWakeup(p);
848 p->RIONumBootPkts = 0;
849 p->RIOBooting = 0;
850 printk("HEEEEELP!\n");
851
852 for (loop = 0; loop < RIO_PORTS; loop++) {
853 spin_lock_init(&p->RIOPortp[loop]->portSem);
854 p->RIOPortp[loop]->InUse = NOT_INUSE;
855 }
856
857 p->RIOSystemUp = 0;
858 return retval;
859
860 case RIO_DOWNLOAD:
861 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD\n");
862 if (!su) {
863 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Not super user\n");
864 p->RIOError.Error = NOT_SUPER_USER;
865 return -EPERM;
866 }
867 if (copy_from_user(&DownLoad, argp, sizeof(DownLoad))) {
868 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Copy in from user space failed\n");
869 p->RIOError.Error = COPYIN_FAILED;
870 return -EFAULT;
871 }
872 rio_dprintk(RIO_DEBUG_CTRL, "Copied in download code for product code 0x%x\n", DownLoad.ProductCode);
873
874 /*
875 ** It is important that the product code is an unsigned object!
876 */
877 if (DownLoad.ProductCode >= MAX_PRODUCT) {
878 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Bad product code %d passed\n", DownLoad.ProductCode);
879 p->RIOError.Error = NO_SUCH_PRODUCT;
880 return -ENXIO;
881 }
882 /*
883 ** do something!
884 */
885 retval = (*(RIOBootTable[DownLoad.ProductCode])) (p, &DownLoad);
886 /* <-- Panic */
887 p->RIOHalted = 0;
888 /*
889 ** and go back, content with a job well completed.
890 */
891 return retval;
892
893 case RIO_PARMS:
894 {
895 unsigned int host;
896
897 if (copy_from_user(&host, argp, sizeof(host))) {
898 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
899 p->RIOError.Error = COPYIN_FAILED;
900 return -EFAULT;
901 }
902 /*
903 ** Fetch the parmmap
904 */
905 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS\n");
906 if (copy_from_io(argp, p->RIOHosts[host].ParmMapP, sizeof(PARM_MAP))) {
907 p->RIOError.Error = COPYOUT_FAILED;
908 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS: Copy out to user space failed\n");
909 return -EFAULT;
910 }
911 }
912 return retval;
913
914 case RIO_HOST_REQ:
915 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ\n");
916 if (copy_from_user(&HostReq, argp, sizeof(HostReq))) {
917 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
918 p->RIOError.Error = COPYIN_FAILED;
919 return -EFAULT;
920 }
921 if (HostReq.HostNum >= p->RIONumHosts) {
922 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
923 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Illegal host number %d\n", HostReq.HostNum);
924 return -ENXIO;
925 }
926 rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostReq.HostNum);
927
928 if (copy_to_user(HostReq.HostP, &p->RIOHosts[HostReq.HostNum], sizeof(struct Host))) {
929 p->RIOError.Error = COPYOUT_FAILED;
930 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Bad copy to user space\n");
931 return -EFAULT;
932 }
933 return retval;
934
935 case RIO_HOST_DPRAM:
936 rio_dprintk(RIO_DEBUG_CTRL, "Request for DPRAM\n");
937 if (copy_from_user(&HostDpRam, argp, sizeof(HostDpRam))) {
938 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Copy in from user space failed\n");
939 p->RIOError.Error = COPYIN_FAILED;
940 return -EFAULT;
941 }
942 if (HostDpRam.HostNum >= p->RIONumHosts) {
943 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
944 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Illegal host number %d\n", HostDpRam.HostNum);
945 return -ENXIO;
946 }
947 rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostDpRam.HostNum);
948
949 if (p->RIOHosts[HostDpRam.HostNum].Type == RIO_PCI) {
950 int off;
951 /* It's hardware like this that really gets on my tits. */
952 static unsigned char copy[sizeof(struct DpRam)];
953 for (off = 0; off < sizeof(struct DpRam); off++)
954 copy[off] = readb(p->RIOHosts[HostDpRam.HostNum].Caddr + off);
955 if (copy_to_user(HostDpRam.DpRamP, copy, sizeof(struct DpRam))) {
956 p->RIOError.Error = COPYOUT_FAILED;
957 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
958 return -EFAULT;
959 }
960 } else if (copy_from_io(HostDpRam.DpRamP, p->RIOHosts[HostDpRam.HostNum].Caddr, sizeof(struct DpRam))) {
961 p->RIOError.Error = COPYOUT_FAILED;
962 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
963 return -EFAULT;
964 }
965 return retval;
966
967 case RIO_SET_BUSY:
968 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY\n");
969 if (arg > 511) {
970 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %ld\n", arg);
971 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
972 return -EINVAL;
973 }
974 rio_spin_lock_irqsave(&PortP->portSem, flags);
975 p->RIOPortp[arg]->State |= RIO_BUSY;
976 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
977 return retval;
978
979 case RIO_HOST_PORT:
980 /*
981 ** The daemon want port information
982 ** (probably for debug reasons)
983 */
984 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT\n");
985 if (copy_from_user(&PortReq, argp, sizeof(PortReq))) {
986 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Copy in from user space failed\n");
987 p->RIOError.Error = COPYIN_FAILED;
988 return -EFAULT;
989 }
990
991 if (PortReq.SysPort >= RIO_PORTS) { /* SysPort is unsigned */
992 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Illegal port number %d\n", PortReq.SysPort);
993 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
994 return -ENXIO;
995 }
996 rio_dprintk(RIO_DEBUG_CTRL, "Request for port %d\n", PortReq.SysPort);
997 if (copy_to_user(PortReq.PortP, p->RIOPortp[PortReq.SysPort], sizeof(struct Port))) {
998 p->RIOError.Error = COPYOUT_FAILED;
999 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Bad copy to user space\n");
1000 return -EFAULT;
1001 }
1002 return retval;
1003
1004 case RIO_HOST_RUP:
1005 /*
1006 ** The daemon want rup information
1007 ** (probably for debug reasons)
1008 */
1009 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP\n");
1010 if (copy_from_user(&RupReq, argp, sizeof(RupReq))) {
1011 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Copy in from user space failed\n");
1012 p->RIOError.Error = COPYIN_FAILED;
1013 return -EFAULT;
1014 }
1015 if (RupReq.HostNum >= p->RIONumHosts) { /* host is unsigned */
1016 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal host number %d\n", RupReq.HostNum);
1017 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1018 return -ENXIO;
1019 }
1020 if (RupReq.RupNum >= MAX_RUP + LINKS_PER_UNIT) { /* eek! */
1021 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal rup number %d\n", RupReq.RupNum);
1022 p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1023 return -EINVAL;
1024 }
1025 HostP = &p->RIOHosts[RupReq.HostNum];
1026
1027 if ((HostP->Flags & RUN_STATE) != RC_RUNNING) {
1028 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Host %d not running\n", RupReq.HostNum);
1029 p->RIOError.Error = HOST_NOT_RUNNING;
1030 return -EIO;
1031 }
1032 rio_dprintk(RIO_DEBUG_CTRL, "Request for rup %d from host %d\n", RupReq.RupNum, RupReq.HostNum);
1033
1034 if (copy_from_io(RupReq.RupP, HostP->UnixRups[RupReq.RupNum].RupP, sizeof(struct RUP))) {
1035 p->RIOError.Error = COPYOUT_FAILED;
1036 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Bad copy to user space\n");
1037 return -EFAULT;
1038 }
1039 return retval;
1040
1041 case RIO_HOST_LPB:
1042 /*
1043 ** The daemon want lpb information
1044 ** (probably for debug reasons)
1045 */
1046 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB\n");
1047 if (copy_from_user(&LpbReq, argp, sizeof(LpbReq))) {
1048 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy from user space\n");
1049 p->RIOError.Error = COPYIN_FAILED;
1050 return -EFAULT;
1051 }
1052 if (LpbReq.Host >= p->RIONumHosts) { /* host is unsigned */
1053 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal host number %d\n", LpbReq.Host);
1054 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1055 return -ENXIO;
1056 }
1057 if (LpbReq.Link >= LINKS_PER_UNIT) { /* eek! */
1058 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal link number %d\n", LpbReq.Link);
1059 p->RIOError.Error = LINK_NUMBER_OUT_OF_RANGE;
1060 return -EINVAL;
1061 }
1062 HostP = &p->RIOHosts[LpbReq.Host];
1063
1064 if ((HostP->Flags & RUN_STATE) != RC_RUNNING) {
1065 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Host %d not running\n", LpbReq.Host);
1066 p->RIOError.Error = HOST_NOT_RUNNING;
1067 return -EIO;
1068 }
1069 rio_dprintk(RIO_DEBUG_CTRL, "Request for lpb %d from host %d\n", LpbReq.Link, LpbReq.Host);
1070
1071 if (copy_from_io(LpbReq.LpbP, &HostP->LinkStrP[LpbReq.Link], sizeof(struct LPB))) {
1072 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy to user space\n");
1073 p->RIOError.Error = COPYOUT_FAILED;
1074 return -EFAULT;
1075 }
1076 return retval;
1077
1078 /*
1079 ** Here 3 IOCTL's that allow us to change the way in which
1080 ** rio logs errors. send them just to syslog or send them
1081 ** to both syslog and console or send them to just the console.
1082 **
1083 ** See RioStrBuf() in util.c for the other half.
1084 */
1085 case RIO_SYSLOG_ONLY:
1086 p->RIOPrintLogState = PRINT_TO_LOG; /* Just syslog */
1087 return 0;
1088
1089 case RIO_SYSLOG_CONS:
1090 p->RIOPrintLogState = PRINT_TO_LOG_CONS; /* syslog and console */
1091 return 0;
1092
1093 case RIO_CONS_ONLY:
1094 p->RIOPrintLogState = PRINT_TO_CONS; /* Just console */
1095 return 0;
1096
1097 case RIO_SIGNALS_ON:
1098 if (p->RIOSignalProcess) {
1099 p->RIOError.Error = SIGNALS_ALREADY_SET;
1100 return -EBUSY;
1101 }
1102 /* FIXME: PID tracking */
1103 p->RIOSignalProcess = current->pid;
1104 p->RIOPrintDisabled = DONT_PRINT;
1105 return retval;
1106
1107 case RIO_SIGNALS_OFF:
1108 if (p->RIOSignalProcess != current->pid) {
1109 p->RIOError.Error = NOT_RECEIVING_PROCESS;
1110 return -EPERM;
1111 }
1112 rio_dprintk(RIO_DEBUG_CTRL, "Clear signal process to zero\n");
1113 p->RIOSignalProcess = 0;
1114 return retval;
1115
1116 case RIO_SET_BYTE_MODE:
1117 for (Host = 0; Host < p->RIONumHosts; Host++)
1118 if (p->RIOHosts[Host].Type == RIO_AT)
1119 p->RIOHosts[Host].Mode &= ~WORD_OPERATION;
1120 return retval;
1121
1122 case RIO_SET_WORD_MODE:
1123 for (Host = 0; Host < p->RIONumHosts; Host++)
1124 if (p->RIOHosts[Host].Type == RIO_AT)
1125 p->RIOHosts[Host].Mode |= WORD_OPERATION;
1126 return retval;
1127
1128 case RIO_SET_FAST_BUS:
1129 for (Host = 0; Host < p->RIONumHosts; Host++)
1130 if (p->RIOHosts[Host].Type == RIO_AT)
1131 p->RIOHosts[Host].Mode |= FAST_AT_BUS;
1132 return retval;
1133
1134 case RIO_SET_SLOW_BUS:
1135 for (Host = 0; Host < p->RIONumHosts; Host++)
1136 if (p->RIOHosts[Host].Type == RIO_AT)
1137 p->RIOHosts[Host].Mode &= ~FAST_AT_BUS;
1138 return retval;
1139
1140 case RIO_MAP_B50_TO_50:
1141 case RIO_MAP_B50_TO_57600:
1142 case RIO_MAP_B110_TO_110:
1143 case RIO_MAP_B110_TO_115200:
1144 rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping\n");
1145 port = arg;
1146 if (port < 0 || port > 511) {
1147 rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", port);
1148 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1149 return -EINVAL;
1150 }
1151 rio_spin_lock_irqsave(&PortP->portSem, flags);
1152 switch (cmd) {
1153 case RIO_MAP_B50_TO_50:
1154 p->RIOPortp[port]->Config |= RIO_MAP_50_TO_50;
1155 break;
1156 case RIO_MAP_B50_TO_57600:
1157 p->RIOPortp[port]->Config &= ~RIO_MAP_50_TO_50;
1158 break;
1159 case RIO_MAP_B110_TO_110:
1160 p->RIOPortp[port]->Config |= RIO_MAP_110_TO_110;
1161 break;
1162 case RIO_MAP_B110_TO_115200:
1163 p->RIOPortp[port]->Config &= ~RIO_MAP_110_TO_110;
1164 break;
1165 }
1166 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1167 return retval;
1168
1169 case RIO_STREAM_INFO:
1170 rio_dprintk(RIO_DEBUG_CTRL, "RIO_STREAM_INFO\n");
1171 return -EINVAL;
1172
1173 case RIO_SEND_PACKET:
1174 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET\n");
1175 if (copy_from_user(&SendPack, argp, sizeof(SendPack))) {
1176 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET: Bad copy from user space\n");
1177 p->RIOError.Error = COPYIN_FAILED;
1178 return -EFAULT;
1179 }
1180 if (SendPack.PortNum >= 128) {
1181 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1182 return -ENXIO;
1183 }
1184
1185 PortP = p->RIOPortp[SendPack.PortNum];
1186 rio_spin_lock_irqsave(&PortP->portSem, flags);
1187
1188 if (!can_add_transmit(&PacketP, PortP)) {
1189 p->RIOError.Error = UNIT_IS_IN_USE;
1190 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1191 return -ENOSPC;
1192 }
1193
1194 for (loop = 0; loop < (ushort) (SendPack.Len & 127); loop++)
1195 writeb(SendPack.Data[loop], &PacketP->data[loop]);
1196
1197 writeb(SendPack.Len, &PacketP->len);
1198
1199 add_transmit(PortP);
1200 /*
1201 ** Count characters transmitted for port statistics reporting
1202 */
1203 if (PortP->statsGather)
1204 PortP->txchars += (SendPack.Len & 127);
1205 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1206 return retval;
1207
1208 case RIO_NO_MESG:
1209 if (su)
1210 p->RIONoMessage = 1;
1211 return su ? 0 : -EPERM;
1212
1213 case RIO_MESG:
1214 if (su)
1215 p->RIONoMessage = 0;
1216 return su ? 0 : -EPERM;
1217
1218 case RIO_WHAT_MESG:
1219 if (copy_to_user(argp, &p->RIONoMessage, sizeof(p->RIONoMessage))) {
1220 rio_dprintk(RIO_DEBUG_CTRL, "RIO_WHAT_MESG: Bad copy to user space\n");
1221 p->RIOError.Error = COPYOUT_FAILED;
1222 return -EFAULT;
1223 }
1224 return 0;
1225
1226 case RIO_MEM_DUMP:
1227 if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
1228 p->RIOError.Error = COPYIN_FAILED;
1229 return -EFAULT;
1230 }
1231 rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP host %d rup %d addr %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Addr);
1232
1233 if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
1234 p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1235 return -EINVAL;
1236 }
1237
1238 if (SubCmd.Host >= p->RIONumHosts) {
1239 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1240 return -EINVAL;
1241 }
1242
1243 port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort;
1244
1245 PortP = p->RIOPortp[port];
1246
1247 rio_spin_lock_irqsave(&PortP->portSem, flags);
1248
1249 if (RIOPreemptiveCmd(p, PortP, RIOC_MEMDUMP) == RIO_FAIL) {
1250 rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP failed\n");
1251 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1252 return -EBUSY;
1253 } else
1254 PortP->State |= RIO_BUSY;
1255
1256 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1257 if (copy_to_user(argp, p->RIOMemDump, MEMDUMP_SIZE)) {
1258 rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP copy failed\n");
1259 p->RIOError.Error = COPYOUT_FAILED;
1260 return -EFAULT;
1261 }
1262 return 0;
1263
1264 case RIO_TICK:
1265 if (arg >= p->RIONumHosts)
1266 return -EINVAL;
1267 rio_dprintk(RIO_DEBUG_CTRL, "Set interrupt for host %ld\n", arg);
1268 writeb(0xFF, &p->RIOHosts[arg].SetInt);
1269 return 0;
1270
1271 case RIO_TOCK:
1272 if (arg >= p->RIONumHosts)
1273 return -EINVAL;
1274 rio_dprintk(RIO_DEBUG_CTRL, "Clear interrupt for host %ld\n", arg);
1275 writeb(0xFF, &p->RIOHosts[arg].ResetInt);
1276 return 0;
1277
1278 case RIO_READ_CHECK:
1279 /* Check reads for pkts with data[0] the same */
1280 p->RIOReadCheck = !p->RIOReadCheck;
1281 if (copy_to_user(argp, &p->RIOReadCheck, sizeof(unsigned int))) {
1282 p->RIOError.Error = COPYOUT_FAILED;
1283 return -EFAULT;
1284 }
1285 return 0;
1286
1287 case RIO_READ_REGISTER:
1288 if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
1289 p->RIOError.Error = COPYIN_FAILED;
1290 return -EFAULT;
1291 }
1292 rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER host %d rup %d port %d reg %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Port, SubCmd.Addr);
1293
1294 if (SubCmd.Port > 511) {
1295 rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", SubCmd.Port);
1296 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1297 return -EINVAL;
1298 }
1299
1300 if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
1301 p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1302 return -EINVAL;
1303 }
1304
1305 if (SubCmd.Host >= p->RIONumHosts) {
1306 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1307 return -EINVAL;
1308 }
1309
1310 port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort + SubCmd.Port;
1311 PortP = p->RIOPortp[port];
1312
1313 rio_spin_lock_irqsave(&PortP->portSem, flags);
1314
1315 if (RIOPreemptiveCmd(p, PortP, RIOC_READ_REGISTER) ==
1316 RIO_FAIL) {
1317 rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER failed\n");
1318 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1319 return -EBUSY;
1320 } else
1321 PortP->State |= RIO_BUSY;
1322
1323 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1324 if (copy_to_user(argp, &p->CdRegister, sizeof(unsigned int))) {
1325 rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER copy failed\n");
1326 p->RIOError.Error = COPYOUT_FAILED;
1327 return -EFAULT;
1328 }
1329 return 0;
1330 /*
1331 ** rio_make_dev: given port number (0-511) ORed with port type
1332 ** (RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT) return dev_t
1333 ** value to pass to mknod to create the correct device node.
1334 */
1335 case RIO_MAKE_DEV:
1336 {
1337 unsigned int port = arg & RIO_MODEM_MASK;
1338 unsigned int ret;
1339
1340 switch (arg & RIO_DEV_MASK) {
1341 case RIO_DEV_DIRECT:
1342 ret = drv_makedev(MAJOR(dev), port);
1343 rio_dprintk(RIO_DEBUG_CTRL, "Makedev direct 0x%x is 0x%x\n", port, ret);
1344 return ret;
1345 case RIO_DEV_MODEM:
1346 ret = drv_makedev(MAJOR(dev), (port | RIO_MODEM_BIT));
1347 rio_dprintk(RIO_DEBUG_CTRL, "Makedev modem 0x%x is 0x%x\n", port, ret);
1348 return ret;
1349 case RIO_DEV_XPRINT:
1350 ret = drv_makedev(MAJOR(dev), port);
1351 rio_dprintk(RIO_DEBUG_CTRL, "Makedev printer 0x%x is 0x%x\n", port, ret);
1352 return ret;
1353 }
1354 rio_dprintk(RIO_DEBUG_CTRL, "MAKE Device is called\n");
1355 return -EINVAL;
1356 }
1357 /*
1358 ** rio_minor: given a dev_t from a stat() call, return
1359 ** the port number (0-511) ORed with the port type
1360 ** ( RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT )
1361 */
1362 case RIO_MINOR:
1363 {
1364 dev_t dv;
1365 int mino;
1366 unsigned long ret;
1367
1368 dv = (dev_t) (arg);
1369 mino = RIO_UNMODEM(dv);
1370
1371 if (RIO_ISMODEM(dv)) {
1372 rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: modem %d\n", dv, mino);
1373 ret = mino | RIO_DEV_MODEM;
1374 } else {
1375 rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: direct %d\n", dv, mino);
1376 ret = mino | RIO_DEV_DIRECT;
1377 }
1378 return ret;
1379 }
1380 }
1381 rio_dprintk(RIO_DEBUG_CTRL, "INVALID DAEMON IOCTL 0x%x\n", cmd);
1382 p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
1383
1384 func_exit();
1385 return -EINVAL;
1386 }
1387
1388 /*
1389 ** Pre-emptive commands go on RUPs and are only one byte long.
1390 */
1391 int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd)
1392 {
1393 struct CmdBlk *CmdBlkP;
1394 struct PktCmd_M *PktCmdP;
1395 int Ret;
1396 ushort rup;
1397 int port;
1398
1399 if (PortP->State & RIO_DELETED) {
1400 rio_dprintk(RIO_DEBUG_CTRL, "Preemptive command to deleted RTA ignored\n");
1401 return RIO_FAIL;
1402 }
1403
1404 if ((PortP->InUse == (typeof(PortP->InUse))-1) ||
1405 !(CmdBlkP = RIOGetCmdBlk())) {
1406 rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block "
1407 "for command %d on port %d\n", Cmd, PortP->PortNum);
1408 return RIO_FAIL;
1409 }
1410
1411 rio_dprintk(RIO_DEBUG_CTRL, "Command blk %p - InUse now %d\n",
1412 CmdBlkP, PortP->InUse);
1413
1414 PktCmdP = (struct PktCmd_M *)&CmdBlkP->Packet.data[0];
1415
1416 CmdBlkP->Packet.src_unit = 0;
1417 if (PortP->SecondBlock)
1418 rup = PortP->ID2;
1419 else
1420 rup = PortP->RupNum;
1421 CmdBlkP->Packet.dest_unit = rup;
1422 CmdBlkP->Packet.src_port = COMMAND_RUP;
1423 CmdBlkP->Packet.dest_port = COMMAND_RUP;
1424 CmdBlkP->Packet.len = PKT_CMD_BIT | 2;
1425 CmdBlkP->PostFuncP = RIOUnUse;
1426 CmdBlkP->PostArg = (unsigned long) PortP;
1427 PktCmdP->Command = Cmd;
1428 port = PortP->HostPort % (ushort) PORTS_PER_RTA;
1429 /*
1430 ** Index ports 8-15 for 2nd block of 16 port RTA.
1431 */
1432 if (PortP->SecondBlock)
1433 port += (ushort) PORTS_PER_RTA;
1434 PktCmdP->PhbNum = port;
1435
1436 switch (Cmd) {
1437 case RIOC_MEMDUMP:
1438 rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p "
1439 "(addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr);
1440 PktCmdP->SubCommand = RIOC_MEMDUMP;
1441 PktCmdP->SubAddr = SubCmd.Addr;
1442 break;
1443 case RIOC_FCLOSE:
1444 rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n",
1445 CmdBlkP);
1446 break;
1447 case RIOC_READ_REGISTER:
1448 rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) "
1449 "command blk %p\n", (int) SubCmd.Addr, CmdBlkP);
1450 PktCmdP->SubCommand = RIOC_READ_REGISTER;
1451 PktCmdP->SubAddr = SubCmd.Addr;
1452 break;
1453 case RIOC_RESUME:
1454 rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n",
1455 CmdBlkP);
1456 break;
1457 case RIOC_RFLUSH:
1458 rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n",
1459 CmdBlkP);
1460 CmdBlkP->PostFuncP = RIORFlushEnable;
1461 break;
1462 case RIOC_SUSPEND:
1463 rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n",
1464 CmdBlkP);
1465 break;
1466
1467 case RIOC_MGET:
1468 rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n",
1469 CmdBlkP);
1470 break;
1471
1472 case RIOC_MSET:
1473 case RIOC_MBIC:
1474 case RIOC_MBIS:
1475 CmdBlkP->Packet.data[4] = (char) PortP->ModemLines;
1476 rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command "
1477 "blk %p\n", CmdBlkP);
1478 break;
1479
1480 case RIOC_WFLUSH:
1481 /*
1482 ** If we have queued up the maximum number of Write flushes
1483 ** allowed then we should not bother sending any more to the
1484 ** RTA.
1485 */
1486 if (PortP->WflushFlag == (typeof(PortP->WflushFlag))-1) {
1487 rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, "
1488 "WflushFlag about to wrap!");
1489 RIOFreeCmdBlk(CmdBlkP);
1490 return (RIO_FAIL);
1491 } else {
1492 rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command "
1493 "blk %p\n", CmdBlkP);
1494 CmdBlkP->PostFuncP = RIOWFlushMark;
1495 }
1496 break;
1497 }
1498
1499 PortP->InUse++;
1500
1501 Ret = RIOQueueCmdBlk(PortP->HostP, rup, CmdBlkP);
1502
1503 return Ret;
1504 }
Linux kernel - Deliverables
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