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x86, apic: clean up check_apicid*() callbacks
[linux-2.6/mini2440.git] / drivers / char / rio / rioctrl.c
blobeecee0f576d2d7eea772b574ebac97ec33db04f4
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/slab.h>
35 #include <linux/errno.h>
36 #include <asm/io.h>
37 #include <asm/system.h>
38 #include <asm/string.h>
39 #include <asm/uaccess.h>
40
41 #include <linux/termios.h>
42 #include <linux/serial.h>
43
44 #include <linux/generic_serial.h>
45
46
47 #include "linux_compat.h"
48 #include "rio_linux.h"
49 #include "pkt.h"
50 #include "daemon.h"
51 #include "rio.h"
52 #include "riospace.h"
53 #include "cmdpkt.h"
54 #include "map.h"
55 #include "rup.h"
56 #include "port.h"
57 #include "riodrvr.h"
58 #include "rioinfo.h"
59 #include "func.h"
60 #include "errors.h"
61 #include "pci.h"
62
63 #include "parmmap.h"
64 #include "unixrup.h"
65 #include "board.h"
66 #include "host.h"
67 #include "phb.h"
68 #include "link.h"
69 #include "cmdblk.h"
70 #include "route.h"
71 #include "cirrus.h"
72 #include "rioioctl.h"
73
74
75 static struct LpbReq LpbReq;
76 static struct RupReq RupReq;
77 static struct PortReq PortReq;
78 static struct HostReq HostReq; /* oh really? global? and no locking? */
79 static struct HostDpRam HostDpRam;
80 static struct DebugCtrl DebugCtrl;
81 static struct Map MapEnt;
82 static struct PortSetup PortSetup;
83 static struct DownLoad DownLoad;
84 static struct SendPack SendPack;
85 /* static struct StreamInfo StreamInfo; */
86 /* static char modemtable[RIO_PORTS]; */
87 static struct SpecialRupCmd SpecialRupCmd;
88 static struct PortParams PortParams;
89 static struct portStats portStats;
90
91 static struct SubCmdStruct {
92 ushort Host;
93 ushort Rup;
94 ushort Port;
95 ushort Addr;
96 } SubCmd;
97
98 struct PortTty {
99 uint port;
100 struct ttystatics Tty;
101 };
102
103 static struct PortTty PortTty;
104 typedef struct ttystatics TERMIO;
105
106 /*
107 ** This table is used when the config.rio downloads bin code to the
108 ** driver. We index the table using the product code, 0-F, and call
109 ** the function pointed to by the entry, passing the information
110 ** about the boot.
111 ** The RIOBootCodeUNKNOWN entry is there to politely tell the calling
112 ** process to bog off.
113 */
114 static int
115 (*RIOBootTable[MAX_PRODUCT]) (struct rio_info *, struct DownLoad *) = {
116 /* 0 */ RIOBootCodeHOST,
117 /* Host Card */
118 /* 1 */ RIOBootCodeRTA,
119 /* RTA */
120 };
121
122 #define drv_makedev(maj, min) ((((uint) maj & 0xff) << 8) | ((uint) min & 0xff))
123
124 static int copy_from_io(void __user *to, void __iomem *from, size_t size)
125 {
126 void *buf = kmalloc(size, GFP_KERNEL);
127 int res = -ENOMEM;
128 if (buf) {
129 rio_memcpy_fromio(buf, from, size);
130 res = copy_to_user(to, buf, size);
131 kfree(buf);
132 }
133 return res;
134 }
135
136 int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su)
137 {
138 uint Host; /* leave me unsigned! */
139 uint port; /* and me! */
140 struct Host *HostP;
141 ushort loop;
142 int Entry;
143 struct Port *PortP;
144 struct PKT __iomem *PacketP;
145 int retval = 0;
146 unsigned long flags;
147 void __user *argp = (void __user *)arg;
148
149 func_enter();
150
151 /* Confuse the compiler to think that we've initialized these */
152 Host = 0;
153 PortP = NULL;
154
155 rio_dprintk(RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: %p\n", cmd, argp);
156
157 switch (cmd) {
158 /*
159 ** RIO_SET_TIMER
160 **
161 ** Change the value of the host card interrupt timer.
162 ** If the host card number is -1 then all host cards are changed
163 ** otherwise just the specified host card will be changed.
164 */
165 case RIO_SET_TIMER:
166 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_TIMER to %ldms\n", arg);
167 {
168 int host, value;
169 host = (arg >> 16) & 0x0000FFFF;
170 value = arg & 0x0000ffff;
171 if (host == -1) {
172 for (host = 0; host < p->RIONumHosts; host++) {
173 if (p->RIOHosts[host].Flags == RC_RUNNING) {
174 writew(value, &p->RIOHosts[host].ParmMapP->timer);
175 }
176 }
177 } else if (host >= p->RIONumHosts) {
178 return -EINVAL;
179 } else {
180 if (p->RIOHosts[host].Flags == RC_RUNNING) {
181 writew(value, &p->RIOHosts[host].ParmMapP->timer);
182 }
183 }
184 }
185 return 0;
186
187 case RIO_FOAD_RTA:
188 rio_dprintk(RIO_DEBUG_CTRL, "RIO_FOAD_RTA\n");
189 return RIOCommandRta(p, arg, RIOFoadRta);
190
191 case RIO_ZOMBIE_RTA:
192 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ZOMBIE_RTA\n");
193 return RIOCommandRta(p, arg, RIOZombieRta);
194
195 case RIO_IDENTIFY_RTA:
196 rio_dprintk(RIO_DEBUG_CTRL, "RIO_IDENTIFY_RTA\n");
197 return RIOIdentifyRta(p, argp);
198
199 case RIO_KILL_NEIGHBOUR:
200 rio_dprintk(RIO_DEBUG_CTRL, "RIO_KILL_NEIGHBOUR\n");
201 return RIOKillNeighbour(p, argp);
202
203 case SPECIAL_RUP_CMD:
204 {
205 struct CmdBlk *CmdBlkP;
206
207 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD\n");
208 if (copy_from_user(&SpecialRupCmd, argp, sizeof(SpecialRupCmd))) {
209 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD copy failed\n");
210 p->RIOError.Error = COPYIN_FAILED;
211 return -EFAULT;
212 }
213 CmdBlkP = RIOGetCmdBlk();
214 if (!CmdBlkP) {
215 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD GetCmdBlk failed\n");
216 return -ENXIO;
217 }
218 CmdBlkP->Packet = SpecialRupCmd.Packet;
219 if (SpecialRupCmd.Host >= p->RIONumHosts)
220 SpecialRupCmd.Host = 0;
221 rio_dprintk(RIO_DEBUG_CTRL, "Queue special rup command for host %d rup %d\n", SpecialRupCmd.Host, SpecialRupCmd.RupNum);
222 if (RIOQueueCmdBlk(&p->RIOHosts[SpecialRupCmd.Host], SpecialRupCmd.RupNum, CmdBlkP) == RIO_FAIL) {
223 printk(KERN_WARNING "rio: FAILED TO QUEUE SPECIAL RUP COMMAND\n");
224 }
225 return 0;
226 }
227
228 case RIO_DEBUG_MEM:
229 return -EPERM;
230
231 case RIO_ALL_MODEM:
232 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ALL_MODEM\n");
233 p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
234 return -EINVAL;
235
236 case RIO_GET_TABLE:
237 /*
238 ** Read the routing table from the device driver to user space
239 */
240 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE\n");
241
242 if ((retval = RIOApel(p)) != 0)
243 return retval;
244
245 if (copy_to_user(argp, p->RIOConnectTable, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
246 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE copy failed\n");
247 p->RIOError.Error = COPYOUT_FAILED;
248 return -EFAULT;
249 }
250
251 {
252 int entry;
253 rio_dprintk(RIO_DEBUG_CTRL, "*****\nMAP ENTRIES\n");
254 for (entry = 0; entry < TOTAL_MAP_ENTRIES; entry++) {
255 if ((p->RIOConnectTable[entry].ID == 0) && (p->RIOConnectTable[entry].HostUniqueNum == 0) && (p->RIOConnectTable[entry].RtaUniqueNum == 0))
256 continue;
257
258 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum);
259 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum);
260 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID);
261 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2);
262 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Flags = 0x%x\n", entry, (int) p->RIOConnectTable[entry].Flags);
263 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.SysPort = 0x%x\n", entry, (int) p->RIOConnectTable[entry].SysPort);
264 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Unit);
265 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Link);
266 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Unit);
267 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Link);
268 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Unit);
269 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Link);
270 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[3].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Unit);
271 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[4].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Link);
272 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name);
273 }
274 rio_dprintk(RIO_DEBUG_CTRL, "*****\nEND MAP ENTRIES\n");
275 }
276 p->RIOQuickCheck = NOT_CHANGED; /* a table has been gotten */
277 return 0;
278
279 case RIO_PUT_TABLE:
280 /*
281 ** Write the routing table to the device driver from user space
282 */
283 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE\n");
284
285 if (!su) {
286 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE !Root\n");
287 p->RIOError.Error = NOT_SUPER_USER;
288 return -EPERM;
289 }
290 if (copy_from_user(&p->RIOConnectTable[0], argp, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
291 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE copy failed\n");
292 p->RIOError.Error = COPYIN_FAILED;
293 return -EFAULT;
294 }
295 /*
296 ***********************************
297 {
298 int entry;
299 rio_dprint(RIO_DEBUG_CTRL, ("*****\nMAP ENTRIES\n") );
300 for ( entry=0; entry<TOTAL_MAP_ENTRIES; entry++ )
301 {
302 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum ) );
303 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum ) );
304 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID ) );
305 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2 ) );
306 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Flags = 0x%x\n", entry, p->RIOConnectTable[entry].Flags ) );
307 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.SysPort = 0x%x\n", entry, p->RIOConnectTable[entry].SysPort ) );
308 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[0].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Unit ) );
309 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[0].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Link ) );
310 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[1].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Unit ) );
311 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[1].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Link ) );
312 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[2].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Unit ) );
313 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[2].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Link ) );
314 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[3].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Unit ) );
315 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[4].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Link ) );
316 rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name ) );
317 }
318 rio_dprint(RIO_DEBUG_CTRL, ("*****\nEND MAP ENTRIES\n") );
319 }
320 ***********************************
321 */
322 return RIONewTable(p);
323
324 case RIO_GET_BINDINGS:
325 /*
326 ** Send bindings table, containing unique numbers of RTAs owned
327 ** by this system to user space
328 */
329 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS\n");
330
331 if (!su) {
332 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS !Root\n");
333 p->RIOError.Error = NOT_SUPER_USER;
334 return -EPERM;
335 }
336 if (copy_to_user(argp, p->RIOBindTab, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
337 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS copy failed\n");
338 p->RIOError.Error = COPYOUT_FAILED;
339 return -EFAULT;
340 }
341 return 0;
342
343 case RIO_PUT_BINDINGS:
344 /*
345 ** Receive a bindings table, containing unique numbers of RTAs owned
346 ** by this system
347 */
348 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS\n");
349
350 if (!su) {
351 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS !Root\n");
352 p->RIOError.Error = NOT_SUPER_USER;
353 return -EPERM;
354 }
355 if (copy_from_user(&p->RIOBindTab[0], argp, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
356 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS copy failed\n");
357 p->RIOError.Error = COPYIN_FAILED;
358 return -EFAULT;
359 }
360 return 0;
361
362 case RIO_BIND_RTA:
363 {
364 int EmptySlot = -1;
365 /*
366 ** Bind this RTA to host, so that it will be booted by
367 ** host in 'boot owned RTAs' mode.
368 */
369 rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA\n");
370
371 if (!su) {
372 rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA !Root\n");
373 p->RIOError.Error = NOT_SUPER_USER;
374 return -EPERM;
375 }
376 for (Entry = 0; Entry < MAX_RTA_BINDINGS; Entry++) {
377 if ((EmptySlot == -1) && (p->RIOBindTab[Entry] == 0L))
378 EmptySlot = Entry;
379 else if (p->RIOBindTab[Entry] == arg) {
380 /*
381 ** Already exists - delete
382 */
383 p->RIOBindTab[Entry] = 0L;
384 rio_dprintk(RIO_DEBUG_CTRL, "Removing Rta %ld from p->RIOBindTab\n", arg);
385 return 0;
386 }
387 }
388 /*
389 ** Dosen't exist - add
390 */
391 if (EmptySlot != -1) {
392 p->RIOBindTab[EmptySlot] = arg;
393 rio_dprintk(RIO_DEBUG_CTRL, "Adding Rta %lx to p->RIOBindTab\n", arg);
394 } else {
395 rio_dprintk(RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %lx not added\n", arg);
396 return -ENOMEM;
397 }
398 return 0;
399 }
400
401 case RIO_RESUME:
402 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME\n");
403 port = arg;
404 if ((port < 0) || (port > 511)) {
405 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Bad port number %d\n", port);
406 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
407 return -EINVAL;
408 }
409 PortP = p->RIOPortp[port];
410 if (!PortP->Mapped) {
411 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not mapped\n", port);
412 p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
413 return -EINVAL;
414 }
415 if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) {
416 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not open\n", port);
417 return -EINVAL;
418 }
419
420 rio_spin_lock_irqsave(&PortP->portSem, flags);
421 if (RIOPreemptiveCmd(p, (p->RIOPortp[port]), RIOC_RESUME) ==
422 RIO_FAIL) {
423 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME failed\n");
424 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
425 return -EBUSY;
426 } else {
427 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d resumed\n", port);
428 PortP->State |= RIO_BUSY;
429 }
430 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
431 return retval;
432
433 case RIO_ASSIGN_RTA:
434 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA\n");
435 if (!su) {
436 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA !Root\n");
437 p->RIOError.Error = NOT_SUPER_USER;
438 return -EPERM;
439 }
440 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
441 rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
442 p->RIOError.Error = COPYIN_FAILED;
443 return -EFAULT;
444 }
445 return RIOAssignRta(p, &MapEnt);
446
447 case RIO_CHANGE_NAME:
448 rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME\n");
449 if (!su) {
450 rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME !Root\n");
451 p->RIOError.Error = NOT_SUPER_USER;
452 return -EPERM;
453 }
454 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
455 rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
456 p->RIOError.Error = COPYIN_FAILED;
457 return -EFAULT;
458 }
459 return RIOChangeName(p, &MapEnt);
460
461 case RIO_DELETE_RTA:
462 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA\n");
463 if (!su) {
464 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA !Root\n");
465 p->RIOError.Error = NOT_SUPER_USER;
466 return -EPERM;
467 }
468 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
469 rio_dprintk(RIO_DEBUG_CTRL, "Copy from data space failed\n");
470 p->RIOError.Error = COPYIN_FAILED;
471 return -EFAULT;
472 }
473 return RIODeleteRta(p, &MapEnt);
474
475 case RIO_QUICK_CHECK:
476 if (copy_to_user(argp, &p->RIORtaDisCons, sizeof(unsigned int))) {
477 p->RIOError.Error = COPYOUT_FAILED;
478 return -EFAULT;
479 }
480 return 0;
481
482 case RIO_LAST_ERROR:
483 if (copy_to_user(argp, &p->RIOError, sizeof(struct Error)))
484 return -EFAULT;
485 return 0;
486
487 case RIO_GET_LOG:
488 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_LOG\n");
489 return -EINVAL;
490
491 case RIO_GET_MODTYPE:
492 if (copy_from_user(&port, argp, sizeof(unsigned int))) {
493 p->RIOError.Error = COPYIN_FAILED;
494 return -EFAULT;
495 }
496 rio_dprintk(RIO_DEBUG_CTRL, "Get module type for port %d\n", port);
497 if (port < 0 || port > 511) {
498 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Bad port number %d\n", port);
499 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
500 return -EINVAL;
501 }
502 PortP = (p->RIOPortp[port]);
503 if (!PortP->Mapped) {
504 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Port %d not mapped\n", port);
505 p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
506 return -EINVAL;
507 }
508 /*
509 ** Return module type of port
510 */
511 port = PortP->HostP->UnixRups[PortP->RupNum].ModTypes;
512 if (copy_to_user(argp, &port, sizeof(unsigned int))) {
513 p->RIOError.Error = COPYOUT_FAILED;
514 return -EFAULT;
515 }
516 return (0);
517 case RIO_BLOCK_OPENS:
518 rio_dprintk(RIO_DEBUG_CTRL, "Opens block until booted\n");
519 for (Entry = 0; Entry < RIO_PORTS; Entry++) {
520 rio_spin_lock_irqsave(&PortP->portSem, flags);
521 p->RIOPortp[Entry]->WaitUntilBooted = 1;
522 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
523 }
524 return 0;
525
526 case RIO_SETUP_PORTS:
527 rio_dprintk(RIO_DEBUG_CTRL, "Setup ports\n");
528 if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
529 p->RIOError.Error = COPYIN_FAILED;
530 rio_dprintk(RIO_DEBUG_CTRL, "EFAULT");
531 return -EFAULT;
532 }
533 if (PortSetup.From > PortSetup.To || PortSetup.To >= RIO_PORTS) {
534 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
535 rio_dprintk(RIO_DEBUG_CTRL, "ENXIO");
536 return -ENXIO;
537 }
538 if (PortSetup.XpCps > p->RIOConf.MaxXpCps || PortSetup.XpCps < p->RIOConf.MinXpCps) {
539 p->RIOError.Error = XPRINT_CPS_OUT_OF_RANGE;
540 rio_dprintk(RIO_DEBUG_CTRL, "EINVAL");
541 return -EINVAL;
542 }
543 if (!p->RIOPortp) {
544 printk(KERN_ERR "rio: No p->RIOPortp array!\n");
545 rio_dprintk(RIO_DEBUG_CTRL, "No p->RIOPortp array!\n");
546 return -EIO;
547 }
548 rio_dprintk(RIO_DEBUG_CTRL, "entering loop (%d %d)!\n", PortSetup.From, PortSetup.To);
549 for (loop = PortSetup.From; loop <= PortSetup.To; loop++) {
550 rio_dprintk(RIO_DEBUG_CTRL, "in loop (%d)!\n", loop);
551 }
552 rio_dprintk(RIO_DEBUG_CTRL, "after loop (%d)!\n", loop);
553 rio_dprintk(RIO_DEBUG_CTRL, "Retval:%x\n", retval);
554 return retval;
555
556 case RIO_GET_PORT_SETUP:
557 rio_dprintk(RIO_DEBUG_CTRL, "Get port setup\n");
558 if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
559 p->RIOError.Error = COPYIN_FAILED;
560 return -EFAULT;
561 }
562 if (PortSetup.From >= RIO_PORTS) {
563 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
564 return -ENXIO;
565 }
566
567 port = PortSetup.To = PortSetup.From;
568 PortSetup.IxAny = (p->RIOPortp[port]->Config & RIO_IXANY) ? 1 : 0;
569 PortSetup.IxOn = (p->RIOPortp[port]->Config & RIO_IXON) ? 1 : 0;
570 PortSetup.Drain = (p->RIOPortp[port]->Config & RIO_WAITDRAIN) ? 1 : 0;
571 PortSetup.Store = p->RIOPortp[port]->Store;
572 PortSetup.Lock = p->RIOPortp[port]->Lock;
573 PortSetup.XpCps = p->RIOPortp[port]->Xprint.XpCps;
574 memcpy(PortSetup.XpOn, p->RIOPortp[port]->Xprint.XpOn, MAX_XP_CTRL_LEN);
575 memcpy(PortSetup.XpOff, p->RIOPortp[port]->Xprint.XpOff, MAX_XP_CTRL_LEN);
576 PortSetup.XpOn[MAX_XP_CTRL_LEN - 1] = '\0';
577 PortSetup.XpOff[MAX_XP_CTRL_LEN - 1] = '\0';
578
579 if (copy_to_user(argp, &PortSetup, sizeof(PortSetup))) {
580 p->RIOError.Error = COPYOUT_FAILED;
581 return -EFAULT;
582 }
583 return retval;
584
585 case RIO_GET_PORT_PARAMS:
586 rio_dprintk(RIO_DEBUG_CTRL, "Get port params\n");
587 if (copy_from_user(&PortParams, argp, sizeof(struct PortParams))) {
588 p->RIOError.Error = COPYIN_FAILED;
589 return -EFAULT;
590 }
591 if (PortParams.Port >= RIO_PORTS) {
592 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
593 return -ENXIO;
594 }
595 PortP = (p->RIOPortp[PortParams.Port]);
596 PortParams.Config = PortP->Config;
597 PortParams.State = PortP->State;
598 rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortParams.Port);
599
600 if (copy_to_user(argp, &PortParams, sizeof(struct PortParams))) {
601 p->RIOError.Error = COPYOUT_FAILED;
602 return -EFAULT;
603 }
604 return retval;
605
606 case RIO_GET_PORT_TTY:
607 rio_dprintk(RIO_DEBUG_CTRL, "Get port tty\n");
608 if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
609 p->RIOError.Error = COPYIN_FAILED;
610 return -EFAULT;
611 }
612 if (PortTty.port >= RIO_PORTS) {
613 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
614 return -ENXIO;
615 }
616
617 rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortTty.port);
618 PortP = (p->RIOPortp[PortTty.port]);
619 if (copy_to_user(argp, &PortTty, sizeof(struct PortTty))) {
620 p->RIOError.Error = COPYOUT_FAILED;
621 return -EFAULT;
622 }
623 return retval;
624
625 case RIO_SET_PORT_TTY:
626 if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
627 p->RIOError.Error = COPYIN_FAILED;
628 return -EFAULT;
629 }
630 rio_dprintk(RIO_DEBUG_CTRL, "Set port %d tty\n", PortTty.port);
631 if (PortTty.port >= (ushort) RIO_PORTS) {
632 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
633 return -ENXIO;
634 }
635 PortP = (p->RIOPortp[PortTty.port]);
636 RIOParam(PortP, RIOC_CONFIG, PortP->State & RIO_MODEM,
637 OK_TO_SLEEP);
638 return retval;
639
640 case RIO_SET_PORT_PARAMS:
641 rio_dprintk(RIO_DEBUG_CTRL, "Set port params\n");
642 if (copy_from_user(&PortParams, argp, sizeof(PortParams))) {
643 p->RIOError.Error = COPYIN_FAILED;
644 return -EFAULT;
645 }
646 if (PortParams.Port >= (ushort) RIO_PORTS) {
647 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
648 return -ENXIO;
649 }
650 PortP = (p->RIOPortp[PortParams.Port]);
651 rio_spin_lock_irqsave(&PortP->portSem, flags);
652 PortP->Config = PortParams.Config;
653 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
654 return retval;
655
656 case RIO_GET_PORT_STATS:
657 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_PORT_STATS\n");
658 if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
659 p->RIOError.Error = COPYIN_FAILED;
660 return -EFAULT;
661 }
662 if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
663 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
664 return -ENXIO;
665 }
666 PortP = (p->RIOPortp[portStats.port]);
667 portStats.gather = PortP->statsGather;
668 portStats.txchars = PortP->txchars;
669 portStats.rxchars = PortP->rxchars;
670 portStats.opens = PortP->opens;
671 portStats.closes = PortP->closes;
672 portStats.ioctls = PortP->ioctls;
673 if (copy_to_user(argp, &portStats, sizeof(struct portStats))) {
674 p->RIOError.Error = COPYOUT_FAILED;
675 return -EFAULT;
676 }
677 return retval;
678
679 case RIO_RESET_PORT_STATS:
680 port = arg;
681 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESET_PORT_STATS\n");
682 if (port >= RIO_PORTS) {
683 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
684 return -ENXIO;
685 }
686 PortP = (p->RIOPortp[port]);
687 rio_spin_lock_irqsave(&PortP->portSem, flags);
688 PortP->txchars = 0;
689 PortP->rxchars = 0;
690 PortP->opens = 0;
691 PortP->closes = 0;
692 PortP->ioctls = 0;
693 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
694 return retval;
695
696 case RIO_GATHER_PORT_STATS:
697 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GATHER_PORT_STATS\n");
698 if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
699 p->RIOError.Error = COPYIN_FAILED;
700 return -EFAULT;
701 }
702 if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
703 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
704 return -ENXIO;
705 }
706 PortP = (p->RIOPortp[portStats.port]);
707 rio_spin_lock_irqsave(&PortP->portSem, flags);
708 PortP->statsGather = portStats.gather;
709 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
710 return retval;
711
712 case RIO_READ_CONFIG:
713 rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_CONFIG\n");
714 if (copy_to_user(argp, &p->RIOConf, sizeof(struct Conf))) {
715 p->RIOError.Error = COPYOUT_FAILED;
716 return -EFAULT;
717 }
718 return retval;
719
720 case RIO_SET_CONFIG:
721 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_CONFIG\n");
722 if (!su) {
723 p->RIOError.Error = NOT_SUPER_USER;
724 return -EPERM;
725 }
726 if (copy_from_user(&p->RIOConf, argp, sizeof(struct Conf))) {
727 p->RIOError.Error = COPYIN_FAILED;
728 return -EFAULT;
729 }
730 /*
731 ** move a few value around
732 */
733 for (Host = 0; Host < p->RIONumHosts; Host++)
734 if ((p->RIOHosts[Host].Flags & RUN_STATE) == RC_RUNNING)
735 writew(p->RIOConf.Timer, &p->RIOHosts[Host].ParmMapP->timer);
736 return retval;
737
738 case RIO_START_POLLER:
739 rio_dprintk(RIO_DEBUG_CTRL, "RIO_START_POLLER\n");
740 return -EINVAL;
741
742 case RIO_STOP_POLLER:
743 rio_dprintk(RIO_DEBUG_CTRL, "RIO_STOP_POLLER\n");
744 if (!su) {
745 p->RIOError.Error = NOT_SUPER_USER;
746 return -EPERM;
747 }
748 p->RIOPolling = NOT_POLLING;
749 return retval;
750
751 case RIO_SETDEBUG:
752 case RIO_GETDEBUG:
753 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG/RIO_GETDEBUG\n");
754 if (copy_from_user(&DebugCtrl, argp, sizeof(DebugCtrl))) {
755 p->RIOError.Error = COPYIN_FAILED;
756 return -EFAULT;
757 }
758 if (DebugCtrl.SysPort == NO_PORT) {
759 if (cmd == RIO_SETDEBUG) {
760 if (!su) {
761 p->RIOError.Error = NOT_SUPER_USER;
762 return -EPERM;
763 }
764 p->rio_debug = DebugCtrl.Debug;
765 p->RIODebugWait = DebugCtrl.Wait;
766 rio_dprintk(RIO_DEBUG_CTRL, "Set global debug to 0x%x set wait to 0x%x\n", p->rio_debug, p->RIODebugWait);
767 } else {
768 rio_dprintk(RIO_DEBUG_CTRL, "Get global debug 0x%x wait 0x%x\n", p->rio_debug, p->RIODebugWait);
769 DebugCtrl.Debug = p->rio_debug;
770 DebugCtrl.Wait = p->RIODebugWait;
771 if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
772 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort);
773 p->RIOError.Error = COPYOUT_FAILED;
774 return -EFAULT;
775 }
776 }
777 } else if (DebugCtrl.SysPort >= RIO_PORTS && DebugCtrl.SysPort != NO_PORT) {
778 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort);
779 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
780 return -ENXIO;
781 } else if (cmd == RIO_SETDEBUG) {
782 if (!su) {
783 p->RIOError.Error = NOT_SUPER_USER;
784 return -EPERM;
785 }
786 rio_spin_lock_irqsave(&PortP->portSem, flags);
787 p->RIOPortp[DebugCtrl.SysPort]->Debug = DebugCtrl.Debug;
788 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
789 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug);
790 } else {
791 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug);
792 DebugCtrl.Debug = p->RIOPortp[DebugCtrl.SysPort]->Debug;
793 if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
794 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG: Bad copy to user space\n");
795 p->RIOError.Error = COPYOUT_FAILED;
796 return -EFAULT;
797 }
798 }
799 return retval;
800
801 case RIO_VERSID:
802 /*
803 ** Enquire about the release and version.
804 ** We return MAX_VERSION_LEN bytes, being a
805 ** textual null terminated string.
806 */
807 rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID\n");
808 if (copy_to_user(argp, RIOVersid(), sizeof(struct rioVersion))) {
809 rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID: Bad copy to user space (host=%d)\n", Host);
810 p->RIOError.Error = COPYOUT_FAILED;
811 return -EFAULT;
812 }
813 return retval;
814
815 case RIO_NUM_HOSTS:
816 /*
817 ** Enquire as to the number of hosts located
818 ** at init time.
819 */
820 rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS\n");
821 if (copy_to_user(argp, &p->RIONumHosts, sizeof(p->RIONumHosts))) {
822 rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS: Bad copy to user space\n");
823 p->RIOError.Error = COPYOUT_FAILED;
824 return -EFAULT;
825 }
826 return retval;
827
828 case RIO_HOST_FOAD:
829 /*
830 ** Kill host. This may not be in the final version...
831 */
832 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD %ld\n", arg);
833 if (!su) {
834 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD: Not super user\n");
835 p->RIOError.Error = NOT_SUPER_USER;
836 return -EPERM;
837 }
838 p->RIOHalted = 1;
839 p->RIOSystemUp = 0;
840
841 for (Host = 0; Host < p->RIONumHosts; Host++) {
842 (void) RIOBoardTest(p->RIOHosts[Host].PaddrP, p->RIOHosts[Host].Caddr, p->RIOHosts[Host].Type, p->RIOHosts[Host].Slot);
843 memset(&p->RIOHosts[Host].Flags, 0, ((char *) &p->RIOHosts[Host].____end_marker____) - ((char *) &p->RIOHosts[Host].Flags));
844 p->RIOHosts[Host].Flags = RC_WAITING;
845 }
846 RIOFoadWakeup(p);
847 p->RIONumBootPkts = 0;
848 p->RIOBooting = 0;
849 printk("HEEEEELP!\n");
850
851 for (loop = 0; loop < RIO_PORTS; loop++) {
852 spin_lock_init(&p->RIOPortp[loop]->portSem);
853 p->RIOPortp[loop]->InUse = NOT_INUSE;
854 }
855
856 p->RIOSystemUp = 0;
857 return retval;
858
859 case RIO_DOWNLOAD:
860 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD\n");
861 if (!su) {
862 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Not super user\n");
863 p->RIOError.Error = NOT_SUPER_USER;
864 return -EPERM;
865 }
866 if (copy_from_user(&DownLoad, argp, sizeof(DownLoad))) {
867 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Copy in from user space failed\n");
868 p->RIOError.Error = COPYIN_FAILED;
869 return -EFAULT;
870 }
871 rio_dprintk(RIO_DEBUG_CTRL, "Copied in download code for product code 0x%x\n", DownLoad.ProductCode);
872
873 /*
874 ** It is important that the product code is an unsigned object!
875 */
876 if (DownLoad.ProductCode > MAX_PRODUCT) {
877 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Bad product code %d passed\n", DownLoad.ProductCode);
878 p->RIOError.Error = NO_SUCH_PRODUCT;
879 return -ENXIO;
880 }
881 /*
882 ** do something!
883 */
884 retval = (*(RIOBootTable[DownLoad.ProductCode])) (p, &DownLoad);
885 /* <-- Panic */
886 p->RIOHalted = 0;
887 /*
888 ** and go back, content with a job well completed.
889 */
890 return retval;
891
892 case RIO_PARMS:
893 {
894 unsigned int host;
895
896 if (copy_from_user(&host, argp, sizeof(host))) {
897 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
898 p->RIOError.Error = COPYIN_FAILED;
899 return -EFAULT;
900 }
901 /*
902 ** Fetch the parmmap
903 */
904 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS\n");
905 if (copy_from_io(argp, p->RIOHosts[host].ParmMapP, sizeof(PARM_MAP))) {
906 p->RIOError.Error = COPYOUT_FAILED;
907 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS: Copy out to user space failed\n");
908 return -EFAULT;
909 }
910 }
911 return retval;
912
913 case RIO_HOST_REQ:
914 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ\n");
915 if (copy_from_user(&HostReq, argp, sizeof(HostReq))) {
916 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
917 p->RIOError.Error = COPYIN_FAILED;
918 return -EFAULT;
919 }
920 if (HostReq.HostNum >= p->RIONumHosts) {
921 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
922 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Illegal host number %d\n", HostReq.HostNum);
923 return -ENXIO;
924 }
925 rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostReq.HostNum);
926
927 if (copy_to_user(HostReq.HostP, &p->RIOHosts[HostReq.HostNum], sizeof(struct Host))) {
928 p->RIOError.Error = COPYOUT_FAILED;
929 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Bad copy to user space\n");
930 return -EFAULT;
931 }
932 return retval;
933
934 case RIO_HOST_DPRAM:
935 rio_dprintk(RIO_DEBUG_CTRL, "Request for DPRAM\n");
936 if (copy_from_user(&HostDpRam, argp, sizeof(HostDpRam))) {
937 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Copy in from user space failed\n");
938 p->RIOError.Error = COPYIN_FAILED;
939 return -EFAULT;
940 }
941 if (HostDpRam.HostNum >= p->RIONumHosts) {
942 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
943 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Illegal host number %d\n", HostDpRam.HostNum);
944 return -ENXIO;
945 }
946 rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostDpRam.HostNum);
947
948 if (p->RIOHosts[HostDpRam.HostNum].Type == RIO_PCI) {
949 int off;
950 /* It's hardware like this that really gets on my tits. */
951 static unsigned char copy[sizeof(struct DpRam)];
952 for (off = 0; off < sizeof(struct DpRam); off++)
953 copy[off] = readb(p->RIOHosts[HostDpRam.HostNum].Caddr + off);
954 if (copy_to_user(HostDpRam.DpRamP, copy, sizeof(struct DpRam))) {
955 p->RIOError.Error = COPYOUT_FAILED;
956 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
957 return -EFAULT;
958 }
959 } else if (copy_from_io(HostDpRam.DpRamP, p->RIOHosts[HostDpRam.HostNum].Caddr, sizeof(struct DpRam))) {
960 p->RIOError.Error = COPYOUT_FAILED;
961 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
962 return -EFAULT;
963 }
964 return retval;
965
966 case RIO_SET_BUSY:
967 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY\n");
968 if (arg > 511) {
969 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %ld\n", arg);
970 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
971 return -EINVAL;
972 }
973 rio_spin_lock_irqsave(&PortP->portSem, flags);
974 p->RIOPortp[arg]->State |= RIO_BUSY;
975 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
976 return retval;
977
978 case RIO_HOST_PORT:
979 /*
980 ** The daemon want port information
981 ** (probably for debug reasons)
982 */
983 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT\n");
984 if (copy_from_user(&PortReq, argp, sizeof(PortReq))) {
985 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Copy in from user space failed\n");
986 p->RIOError.Error = COPYIN_FAILED;
987 return -EFAULT;
988 }
989
990 if (PortReq.SysPort >= RIO_PORTS) { /* SysPort is unsigned */
991 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Illegal port number %d\n", PortReq.SysPort);
992 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
993 return -ENXIO;
994 }
995 rio_dprintk(RIO_DEBUG_CTRL, "Request for port %d\n", PortReq.SysPort);
996 if (copy_to_user(PortReq.PortP, p->RIOPortp[PortReq.SysPort], sizeof(struct Port))) {
997 p->RIOError.Error = COPYOUT_FAILED;
998 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Bad copy to user space\n");
999 return -EFAULT;
1000 }
1001 return retval;
1002
1003 case RIO_HOST_RUP:
1004 /*
1005 ** The daemon want rup information
1006 ** (probably for debug reasons)
1007 */
1008 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP\n");
1009 if (copy_from_user(&RupReq, argp, sizeof(RupReq))) {
1010 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Copy in from user space failed\n");
1011 p->RIOError.Error = COPYIN_FAILED;
1012 return -EFAULT;
1013 }
1014 if (RupReq.HostNum >= p->RIONumHosts) { /* host is unsigned */
1015 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal host number %d\n", RupReq.HostNum);
1016 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1017 return -ENXIO;
1018 }
1019 if (RupReq.RupNum >= MAX_RUP + LINKS_PER_UNIT) { /* eek! */
1020 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal rup number %d\n", RupReq.RupNum);
1021 p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1022 return -EINVAL;
1023 }
1024 HostP = &p->RIOHosts[RupReq.HostNum];
1025
1026 if ((HostP->Flags & RUN_STATE) != RC_RUNNING) {
1027 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Host %d not running\n", RupReq.HostNum);
1028 p->RIOError.Error = HOST_NOT_RUNNING;
1029 return -EIO;
1030 }
1031 rio_dprintk(RIO_DEBUG_CTRL, "Request for rup %d from host %d\n", RupReq.RupNum, RupReq.HostNum);
1032
1033 if (copy_from_io(RupReq.RupP, HostP->UnixRups[RupReq.RupNum].RupP, sizeof(struct RUP))) {
1034 p->RIOError.Error = COPYOUT_FAILED;
1035 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Bad copy to user space\n");
1036 return -EFAULT;
1037 }
1038 return retval;
1039
1040 case RIO_HOST_LPB:
1041 /*
1042 ** The daemon want lpb information
1043 ** (probably for debug reasons)
1044 */
1045 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB\n");
1046 if (copy_from_user(&LpbReq, argp, sizeof(LpbReq))) {
1047 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy from user space\n");
1048 p->RIOError.Error = COPYIN_FAILED;
1049 return -EFAULT;
1050 }
1051 if (LpbReq.Host >= p->RIONumHosts) { /* host is unsigned */
1052 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal host number %d\n", LpbReq.Host);
1053 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1054 return -ENXIO;
1055 }
1056 if (LpbReq.Link >= LINKS_PER_UNIT) { /* eek! */
1057 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal link number %d\n", LpbReq.Link);
1058 p->RIOError.Error = LINK_NUMBER_OUT_OF_RANGE;
1059 return -EINVAL;
1060 }
1061 HostP = &p->RIOHosts[LpbReq.Host];
1062
1063 if ((HostP->Flags & RUN_STATE) != RC_RUNNING) {
1064 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Host %d not running\n", LpbReq.Host);
1065 p->RIOError.Error = HOST_NOT_RUNNING;
1066 return -EIO;
1067 }
1068 rio_dprintk(RIO_DEBUG_CTRL, "Request for lpb %d from host %d\n", LpbReq.Link, LpbReq.Host);
1069
1070 if (copy_from_io(LpbReq.LpbP, &HostP->LinkStrP[LpbReq.Link], sizeof(struct LPB))) {
1071 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy to user space\n");
1072 p->RIOError.Error = COPYOUT_FAILED;
1073 return -EFAULT;
1074 }
1075 return retval;
1076
1077 /*
1078 ** Here 3 IOCTL's that allow us to change the way in which
1079 ** rio logs errors. send them just to syslog or send them
1080 ** to both syslog and console or send them to just the console.
1081 **
1082 ** See RioStrBuf() in util.c for the other half.
1083 */
1084 case RIO_SYSLOG_ONLY:
1085 p->RIOPrintLogState = PRINT_TO_LOG; /* Just syslog */
1086 return 0;
1087
1088 case RIO_SYSLOG_CONS:
1089 p->RIOPrintLogState = PRINT_TO_LOG_CONS; /* syslog and console */
1090 return 0;
1091
1092 case RIO_CONS_ONLY:
1093 p->RIOPrintLogState = PRINT_TO_CONS; /* Just console */
1094 return 0;
1095
1096 case RIO_SIGNALS_ON:
1097 if (p->RIOSignalProcess) {
1098 p->RIOError.Error = SIGNALS_ALREADY_SET;
1099 return -EBUSY;
1100 }
1101 /* FIXME: PID tracking */
1102 p->RIOSignalProcess = current->pid;
1103 p->RIOPrintDisabled = DONT_PRINT;
1104 return retval;
1105
1106 case RIO_SIGNALS_OFF:
1107 if (p->RIOSignalProcess != current->pid) {
1108 p->RIOError.Error = NOT_RECEIVING_PROCESS;
1109 return -EPERM;
1110 }
1111 rio_dprintk(RIO_DEBUG_CTRL, "Clear signal process to zero\n");
1112 p->RIOSignalProcess = 0;
1113 return retval;
1114
1115 case RIO_SET_BYTE_MODE:
1116 for (Host = 0; Host < p->RIONumHosts; Host++)
1117 if (p->RIOHosts[Host].Type == RIO_AT)
1118 p->RIOHosts[Host].Mode &= ~WORD_OPERATION;
1119 return retval;
1120
1121 case RIO_SET_WORD_MODE:
1122 for (Host = 0; Host < p->RIONumHosts; Host++)
1123 if (p->RIOHosts[Host].Type == RIO_AT)
1124 p->RIOHosts[Host].Mode |= WORD_OPERATION;
1125 return retval;
1126
1127 case RIO_SET_FAST_BUS:
1128 for (Host = 0; Host < p->RIONumHosts; Host++)
1129 if (p->RIOHosts[Host].Type == RIO_AT)
1130 p->RIOHosts[Host].Mode |= FAST_AT_BUS;
1131 return retval;
1132
1133 case RIO_SET_SLOW_BUS:
1134 for (Host = 0; Host < p->RIONumHosts; Host++)
1135 if (p->RIOHosts[Host].Type == RIO_AT)
1136 p->RIOHosts[Host].Mode &= ~FAST_AT_BUS;
1137 return retval;
1138
1139 case RIO_MAP_B50_TO_50:
1140 case RIO_MAP_B50_TO_57600:
1141 case RIO_MAP_B110_TO_110:
1142 case RIO_MAP_B110_TO_115200:
1143 rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping\n");
1144 port = arg;
1145 if (port < 0 || port > 511) {
1146 rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", port);
1147 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1148 return -EINVAL;
1149 }
1150 rio_spin_lock_irqsave(&PortP->portSem, flags);
1151 switch (cmd) {
1152 case RIO_MAP_B50_TO_50:
1153 p->RIOPortp[port]->Config |= RIO_MAP_50_TO_50;
1154 break;
1155 case RIO_MAP_B50_TO_57600:
1156 p->RIOPortp[port]->Config &= ~RIO_MAP_50_TO_50;
1157 break;
1158 case RIO_MAP_B110_TO_110:
1159 p->RIOPortp[port]->Config |= RIO_MAP_110_TO_110;
1160 break;
1161 case RIO_MAP_B110_TO_115200:
1162 p->RIOPortp[port]->Config &= ~RIO_MAP_110_TO_110;
1163 break;
1164 }
1165 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1166 return retval;
1167
1168 case RIO_STREAM_INFO:
1169 rio_dprintk(RIO_DEBUG_CTRL, "RIO_STREAM_INFO\n");
1170 return -EINVAL;
1171
1172 case RIO_SEND_PACKET:
1173 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET\n");
1174 if (copy_from_user(&SendPack, argp, sizeof(SendPack))) {
1175 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET: Bad copy from user space\n");
1176 p->RIOError.Error = COPYIN_FAILED;
1177 return -EFAULT;
1178 }
1179 if (SendPack.PortNum >= 128) {
1180 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1181 return -ENXIO;
1182 }
1183
1184 PortP = p->RIOPortp[SendPack.PortNum];
1185 rio_spin_lock_irqsave(&PortP->portSem, flags);
1186
1187 if (!can_add_transmit(&PacketP, PortP)) {
1188 p->RIOError.Error = UNIT_IS_IN_USE;
1189 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1190 return -ENOSPC;
1191 }
1192
1193 for (loop = 0; loop < (ushort) (SendPack.Len & 127); loop++)
1194 writeb(SendPack.Data[loop], &PacketP->data[loop]);
1195
1196 writeb(SendPack.Len, &PacketP->len);
1197
1198 add_transmit(PortP);
1199 /*
1200 ** Count characters transmitted for port statistics reporting
1201 */
1202 if (PortP->statsGather)
1203 PortP->txchars += (SendPack.Len & 127);
1204 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1205 return retval;
1206
1207 case RIO_NO_MESG:
1208 if (su)
1209 p->RIONoMessage = 1;
1210 return su ? 0 : -EPERM;
1211
1212 case RIO_MESG:
1213 if (su)
1214 p->RIONoMessage = 0;
1215 return su ? 0 : -EPERM;
1216
1217 case RIO_WHAT_MESG:
1218 if (copy_to_user(argp, &p->RIONoMessage, sizeof(p->RIONoMessage))) {
1219 rio_dprintk(RIO_DEBUG_CTRL, "RIO_WHAT_MESG: Bad copy to user space\n");
1220 p->RIOError.Error = COPYOUT_FAILED;
1221 return -EFAULT;
1222 }
1223 return 0;
1224
1225 case RIO_MEM_DUMP:
1226 if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
1227 p->RIOError.Error = COPYIN_FAILED;
1228 return -EFAULT;
1229 }
1230 rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP host %d rup %d addr %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Addr);
1231
1232 if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
1233 p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1234 return -EINVAL;
1235 }
1236
1237 if (SubCmd.Host >= p->RIONumHosts) {
1238 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1239 return -EINVAL;
1240 }
1241
1242 port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort;
1243
1244 PortP = p->RIOPortp[port];
1245
1246 rio_spin_lock_irqsave(&PortP->portSem, flags);
1247
1248 if (RIOPreemptiveCmd(p, PortP, RIOC_MEMDUMP) == RIO_FAIL) {
1249 rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP failed\n");
1250 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1251 return -EBUSY;
1252 } else
1253 PortP->State |= RIO_BUSY;
1254
1255 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1256 if (copy_to_user(argp, p->RIOMemDump, MEMDUMP_SIZE)) {
1257 rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP copy failed\n");
1258 p->RIOError.Error = COPYOUT_FAILED;
1259 return -EFAULT;
1260 }
1261 return 0;
1262
1263 case RIO_TICK:
1264 if (arg >= p->RIONumHosts)
1265 return -EINVAL;
1266 rio_dprintk(RIO_DEBUG_CTRL, "Set interrupt for host %ld\n", arg);
1267 writeb(0xFF, &p->RIOHosts[arg].SetInt);
1268 return 0;
1269
1270 case RIO_TOCK:
1271 if (arg >= p->RIONumHosts)
1272 return -EINVAL;
1273 rio_dprintk(RIO_DEBUG_CTRL, "Clear interrupt for host %ld\n", arg);
1274 writeb(0xFF, &p->RIOHosts[arg].ResetInt);
1275 return 0;
1276
1277 case RIO_READ_CHECK:
1278 /* Check reads for pkts with data[0] the same */
1279 p->RIOReadCheck = !p->RIOReadCheck;
1280 if (copy_to_user(argp, &p->RIOReadCheck, sizeof(unsigned int))) {
1281 p->RIOError.Error = COPYOUT_FAILED;
1282 return -EFAULT;
1283 }
1284 return 0;
1285
1286 case RIO_READ_REGISTER:
1287 if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
1288 p->RIOError.Error = COPYIN_FAILED;
1289 return -EFAULT;
1290 }
1291 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);
1292
1293 if (SubCmd.Port > 511) {
1294 rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", SubCmd.Port);
1295 p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1296 return -EINVAL;
1297 }
1298
1299 if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
1300 p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1301 return -EINVAL;
1302 }
1303
1304 if (SubCmd.Host >= p->RIONumHosts) {
1305 p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1306 return -EINVAL;
1307 }
1308
1309 port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort + SubCmd.Port;
1310 PortP = p->RIOPortp[port];
1311
1312 rio_spin_lock_irqsave(&PortP->portSem, flags);
1313
1314 if (RIOPreemptiveCmd(p, PortP, RIOC_READ_REGISTER) ==
1315 RIO_FAIL) {
1316 rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER failed\n");
1317 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1318 return -EBUSY;
1319 } else
1320 PortP->State |= RIO_BUSY;
1321
1322 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1323 if (copy_to_user(argp, &p->CdRegister, sizeof(unsigned int))) {
1324 rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER copy failed\n");
1325 p->RIOError.Error = COPYOUT_FAILED;
1326 return -EFAULT;
1327 }
1328 return 0;
1329 /*
1330 ** rio_make_dev: given port number (0-511) ORed with port type
1331 ** (RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT) return dev_t
1332 ** value to pass to mknod to create the correct device node.
1333 */
1334 case RIO_MAKE_DEV:
1335 {
1336 unsigned int port = arg & RIO_MODEM_MASK;
1337 unsigned int ret;
1338
1339 switch (arg & RIO_DEV_MASK) {
1340 case RIO_DEV_DIRECT:
1341 ret = drv_makedev(MAJOR(dev), port);
1342 rio_dprintk(RIO_DEBUG_CTRL, "Makedev direct 0x%x is 0x%x\n", port, ret);
1343 return ret;
1344 case RIO_DEV_MODEM:
1345 ret = drv_makedev(MAJOR(dev), (port | RIO_MODEM_BIT));
1346 rio_dprintk(RIO_DEBUG_CTRL, "Makedev modem 0x%x is 0x%x\n", port, ret);
1347 return ret;
1348 case RIO_DEV_XPRINT:
1349 ret = drv_makedev(MAJOR(dev), port);
1350 rio_dprintk(RIO_DEBUG_CTRL, "Makedev printer 0x%x is 0x%x\n", port, ret);
1351 return ret;
1352 }
1353 rio_dprintk(RIO_DEBUG_CTRL, "MAKE Device is called\n");
1354 return -EINVAL;
1355 }
1356 /*
1357 ** rio_minor: given a dev_t from a stat() call, return
1358 ** the port number (0-511) ORed with the port type
1359 ** ( RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT )
1360 */
1361 case RIO_MINOR:
1362 {
1363 dev_t dv;
1364 int mino;
1365 unsigned long ret;
1366
1367 dv = (dev_t) (arg);
1368 mino = RIO_UNMODEM(dv);
1369
1370 if (RIO_ISMODEM(dv)) {
1371 rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: modem %d\n", dv, mino);
1372 ret = mino | RIO_DEV_MODEM;
1373 } else {
1374 rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: direct %d\n", dv, mino);
1375 ret = mino | RIO_DEV_DIRECT;
1376 }
1377 return ret;
1378 }
1379 }
1380 rio_dprintk(RIO_DEBUG_CTRL, "INVALID DAEMON IOCTL 0x%x\n", cmd);
1381 p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
1382
1383 func_exit();
1384 return -EINVAL;
1385 }
1386
1387 /*
1388 ** Pre-emptive commands go on RUPs and are only one byte long.
1389 */
1390 int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd)
1391 {
1392 struct CmdBlk *CmdBlkP;
1393 struct PktCmd_M *PktCmdP;
1394 int Ret;
1395 ushort rup;
1396 int port;
1397
1398 if (PortP->State & RIO_DELETED) {
1399 rio_dprintk(RIO_DEBUG_CTRL, "Preemptive command to deleted RTA ignored\n");
1400 return RIO_FAIL;
1401 }
1402
1403 if ((PortP->InUse == (typeof(PortP->InUse))-1) ||
1404 !(CmdBlkP = RIOGetCmdBlk())) {
1405 rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block "
1406 "for command %d on port %d\n", Cmd, PortP->PortNum);
1407 return RIO_FAIL;
1408 }
1409
1410 rio_dprintk(RIO_DEBUG_CTRL, "Command blk %p - InUse now %d\n",
1411 CmdBlkP, PortP->InUse);
1412
1413 PktCmdP = (struct PktCmd_M *)&CmdBlkP->Packet.data[0];
1414
1415 CmdBlkP->Packet.src_unit = 0;
1416 if (PortP->SecondBlock)
1417 rup = PortP->ID2;
1418 else
1419 rup = PortP->RupNum;
1420 CmdBlkP->Packet.dest_unit = rup;
1421 CmdBlkP->Packet.src_port = COMMAND_RUP;
1422 CmdBlkP->Packet.dest_port = COMMAND_RUP;
1423 CmdBlkP->Packet.len = PKT_CMD_BIT | 2;
1424 CmdBlkP->PostFuncP = RIOUnUse;
1425 CmdBlkP->PostArg = (unsigned long) PortP;
1426 PktCmdP->Command = Cmd;
1427 port = PortP->HostPort % (ushort) PORTS_PER_RTA;
1428 /*
1429 ** Index ports 8-15 for 2nd block of 16 port RTA.
1430 */
1431 if (PortP->SecondBlock)
1432 port += (ushort) PORTS_PER_RTA;
1433 PktCmdP->PhbNum = port;
1434
1435 switch (Cmd) {
1436 case RIOC_MEMDUMP:
1437 rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p "
1438 "(addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr);
1439 PktCmdP->SubCommand = RIOC_MEMDUMP;
1440 PktCmdP->SubAddr = SubCmd.Addr;
1441 break;
1442 case RIOC_FCLOSE:
1443 rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n",
1444 CmdBlkP);
1445 break;
1446 case RIOC_READ_REGISTER:
1447 rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) "
1448 "command blk %p\n", (int) SubCmd.Addr, CmdBlkP);
1449 PktCmdP->SubCommand = RIOC_READ_REGISTER;
1450 PktCmdP->SubAddr = SubCmd.Addr;
1451 break;
1452 case RIOC_RESUME:
1453 rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n",
1454 CmdBlkP);
1455 break;
1456 case RIOC_RFLUSH:
1457 rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n",
1458 CmdBlkP);
1459 CmdBlkP->PostFuncP = RIORFlushEnable;
1460 break;
1461 case RIOC_SUSPEND:
1462 rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n",
1463 CmdBlkP);
1464 break;
1465
1466 case RIOC_MGET:
1467 rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n",
1468 CmdBlkP);
1469 break;
1470
1471 case RIOC_MSET:
1472 case RIOC_MBIC:
1473 case RIOC_MBIS:
1474 CmdBlkP->Packet.data[4] = (char) PortP->ModemLines;
1475 rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command "
1476 "blk %p\n", CmdBlkP);
1477 break;
1478
1479 case RIOC_WFLUSH:
1480 /*
1481 ** If we have queued up the maximum number of Write flushes
1482 ** allowed then we should not bother sending any more to the
1483 ** RTA.
1484 */
1485 if (PortP->WflushFlag == (typeof(PortP->WflushFlag))-1) {
1486 rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, "
1487 "WflushFlag about to wrap!");
1488 RIOFreeCmdBlk(CmdBlkP);
1489 return (RIO_FAIL);
1490 } else {
1491 rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command "
1492 "blk %p\n", CmdBlkP);
1493 CmdBlkP->PostFuncP = RIOWFlushMark;
1494 }
1495 break;
1496 }
1497
1498 PortP->InUse++;
1499
1500 Ret = RIOQueueCmdBlk(PortP->HostP, rup, CmdBlkP);
1501
1502 return Ret;
1503 }
Support for the Chinese Samsung S3C2440 based development boards