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 
copy_from_io(void __user * to,void __iomem * from,size_t size)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 
riocontrol(struct rio_info * p,dev_t dev,int cmd,unsigned long arg,int su)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 */
RIOPreemptiveCmd(struct rio_info * p,struct Port * PortP,u8 Cmd)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 }
1505