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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
76static struct LpbReq LpbReq;
77static struct RupReq RupReq;
78static struct PortReq PortReq;
79static struct HostReq HostReq;	/* oh really?  global?  and no locking? */
80static struct HostDpRam HostDpRam;
81static struct DebugCtrl DebugCtrl;
82static struct Map MapEnt;
83static struct PortSetup PortSetup;
84static struct DownLoad DownLoad;
85static struct SendPack SendPack;
86/* static struct StreamInfo	StreamInfo; */
87/* static char modemtable[RIO_PORTS]; */
88static struct SpecialRupCmd SpecialRupCmd;
89static struct PortParams PortParams;
90static struct portStats portStats;
91
92static struct SubCmdStruct {
93	ushort Host;
94	ushort Rup;
95	ushort Port;
96	ushort Addr;
97} SubCmd;
98
99struct PortTty {
100	uint port;
101	struct ttystatics Tty;
102};
103
104static struct PortTty PortTty;
105typedef 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*/
115static 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
125static 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
137int 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		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*/
1390int 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}
1504