Linux-2.6.12-rc2
[safe/jmp/linux-2.6] / drivers / char / rio / rioctrl.c
1 /*
2 ** -----------------------------------------------------------------------------
3 **
4 **  Perle Specialix driver for Linux
5 **  Ported from existing RIO Driver for SCO sources.
6  *
7  *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
8  *
9  *      This program is free software; you can redistribute it and/or modify
10  *      it under the terms of the GNU General Public License as published by
11  *      the Free Software Foundation; either version 2 of the License, or
12  *      (at your option) any later version.
13  *
14  *      This program is distributed in the hope that it will be useful,
15  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *      GNU General Public License for more details.
18  *
19  *      You should have received a copy of the GNU General Public License
20  *      along with this program; if not, write to the Free Software
21  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 **
23 **      Module          : rioctrl.c
24 **      SID             : 1.3
25 **      Last Modified   : 11/6/98 10:33:42
26 **      Retrieved       : 11/6/98 10:33:49
27 **
28 **  ident @(#)rioctrl.c 1.3
29 **
30 ** -----------------------------------------------------------------------------
31 */
32 #ifdef SCCS_LABELS
33 static char *_rioctrl_c_sccs_ = "@(#)rioctrl.c  1.3";
34 #endif
35
36
37 #include <linux/module.h>
38 #include <linux/slab.h>
39 #include <linux/errno.h>
40 #include <asm/io.h>
41 #include <asm/system.h>
42 #include <asm/string.h>
43 #include <asm/semaphore.h>
44 #include <asm/uaccess.h>
45
46 #include <linux/termios.h>
47 #include <linux/serial.h>
48
49 #include <linux/generic_serial.h>
50
51
52 #include "linux_compat.h"
53 #include "rio_linux.h"
54 #include "typdef.h"
55 #include "pkt.h"
56 #include "daemon.h"
57 #include "rio.h"
58 #include "riospace.h"
59 #include "top.h"
60 #include "cmdpkt.h"
61 #include "map.h"
62 #include "riotypes.h"
63 #include "rup.h"
64 #include "port.h"
65 #include "riodrvr.h"
66 #include "rioinfo.h"
67 #include "func.h"
68 #include "errors.h"
69 #include "pci.h"
70
71 #include "parmmap.h"
72 #include "unixrup.h"
73 #include "board.h"
74 #include "host.h"
75 #include "error.h"
76 #include "phb.h"
77 #include "link.h"
78 #include "cmdblk.h"
79 #include "route.h"
80 #include "control.h"
81 #include "cirrus.h"
82 #include "rioioctl.h"
83
84
85 static struct LpbReq     LpbReq;
86 static struct RupReq     RupReq;
87 static struct PortReq   PortReq;
88 static struct HostReq   HostReq;
89 static struct HostDpRam HostDpRam;
90 static struct DebugCtrl DebugCtrl;
91 static struct Map                MapEnt;
92 static struct PortSetup PortSetup;
93 static struct DownLoad  DownLoad;
94 static struct SendPack  SendPack;
95 /* static struct StreamInfo     StreamInfo; */
96 /* static char modemtable[RIO_PORTS]; */
97 static struct SpecialRupCmd SpecialRupCmd;
98 static struct PortParams PortParams;
99 static struct portStats portStats;
100
101 static struct SubCmdStruct {
102         ushort  Host;
103         ushort  Rup;
104         ushort  Port;
105         ushort  Addr;
106 } SubCmd;
107
108 struct PortTty {
109         uint            port;
110         struct ttystatics       Tty;
111 };
112
113 static struct PortTty   PortTty;
114 typedef struct ttystatics TERMIO;
115
116 /*
117 ** This table is used when the config.rio downloads bin code to the
118 ** driver. We index the table using the product code, 0-F, and call
119 ** the function pointed to by the entry, passing the information
120 ** about the boot.
121 ** The RIOBootCodeUNKNOWN entry is there to politely tell the calling
122 ** process to bog off.
123 */
124 static int 
125 (*RIOBootTable[MAX_PRODUCT])(struct rio_info *, struct DownLoad *) =
126 {
127 /* 0 */ RIOBootCodeHOST,        /* Host Card */
128 /* 1 */ RIOBootCodeRTA,         /* RTA */
129 };
130
131 #define drv_makedev(maj, min) ((((uint) maj & 0xff) << 8) | ((uint) min & 0xff))
132
133 int copyin (int arg, caddr_t dp, int siz)
134 {
135   int rv;
136
137   rio_dprintk (RIO_DEBUG_CTRL, "Copying %d bytes from user %p to %p.\n", siz, (void *)arg, dp);
138   rv = copy_from_user (dp, (void *)arg, siz);
139   if (rv) return COPYFAIL;
140   else return rv;
141 }
142
143 static int copyout (caddr_t dp, int arg, int siz)
144 {
145   int rv;
146
147   rio_dprintk (RIO_DEBUG_CTRL, "Copying %d bytes to user %p from %p.\n", siz, (void *)arg, dp);
148   rv = copy_to_user ((void *)arg, dp, siz);
149   if (rv) return COPYFAIL;
150   else return rv;
151 }
152
153 int
154 riocontrol(p, dev, cmd, arg, su)
155 struct rio_info * p;
156 dev_t           dev;
157 int             cmd;
158 caddr_t         arg;
159 int             su;
160 {
161         uint    Host;   /* leave me unsigned! */
162         uint    port;   /* and me! */
163         struct Host     *HostP;
164         ushort  loop;
165         int             Entry;
166         struct Port     *PortP;
167         PKT     *PacketP;
168         int             retval = 0;
169         unsigned long flags;
170         
171         func_enter ();
172         
173         /* Confuse the compiler to think that we've initialized these */
174         Host=0;
175         PortP = NULL;
176
177         rio_dprintk (RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: 0x%x\n", cmd, (int)arg);
178
179         switch (cmd) {
180                 /*
181                 ** RIO_SET_TIMER
182                 **
183                 ** Change the value of the host card interrupt timer.
184                 ** If the host card number is -1 then all host cards are changed
185                 ** otherwise just the specified host card will be changed.
186                 */
187                 case RIO_SET_TIMER:
188                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET_TIMER to %dms\n", (uint)arg);
189                         {
190                                 int host, value;
191                                 host = (uint)arg >> 16;
192                                 value = (uint)arg & 0x0000ffff;
193                                 if (host == -1) {
194                                         for (host = 0; host < p->RIONumHosts; host++) {
195                                                 if (p->RIOHosts[host].Flags == RC_RUNNING) {
196                                                         WWORD(p->RIOHosts[host].ParmMapP->timer , value);
197                                                 }
198                                         }
199                                 } else if (host >= p->RIONumHosts) {
200                                         return -EINVAL;
201                                 } else {
202                                         if ( p->RIOHosts[host].Flags == RC_RUNNING ) {
203                                                 WWORD(p->RIOHosts[host].ParmMapP->timer , value);
204                                         }
205                                 }
206                         }
207                         return 0;
208
209                 case RIO_IDENTIFY_DRIVER:
210                         /*
211                         ** 15.10.1998 ARG - ESIL 0760 part fix
212                         ** Added driver ident string output.
213                         **
214 #ifndef __THIS_RELEASE__
215 #warning Driver Version string not defined !
216 #endif
217                         cprintf("%s %s %s %s\n",
218                                 RIO_DRV_STR,
219                                 __THIS_RELEASE__,
220                                 __DATE__, __TIME__ );
221
222                         return 0;
223
224                 case RIO_DISPLAY_HOST_CFG:
225                         **
226                         ** 15.10.1998 ARG - ESIL 0760 part fix
227                         ** Added driver host card ident string output.
228                         **
229                         ** Note that the only types currently supported
230                         ** are ISA and PCI. Also this driver does not
231                         ** (yet) distinguish between the Old PCI card
232                         ** and the Jet PCI card. In fact I think this
233                         ** driver only supports JET PCI !
234                         **
235
236                         for (Host = 0; Host < p->RIONumHosts; Host++)
237                         {
238                                 HostP = &(p->RIOHosts[Host]);
239
240                                 switch ( HostP->Type )
241                                 {
242                                     case RIO_AT :
243                                         strcpy( host_type, RIO_AT_HOST_STR );
244                                         break;
245
246                                     case RIO_PCI :
247                                         strcpy( host_type, RIO_PCI_HOST_STR );
248                                         break;
249
250                                     default :
251                                         strcpy( host_type, "Unknown" );
252                                         break;
253                                 }
254
255                                 cprintf(
256                                   "RIO Host %d - Type:%s Addr:%X IRQ:%d\n",
257                                         Host, host_type,
258                                         (uint)HostP->PaddrP,
259                                         (int)HostP->Ivec - 32  );
260                         }
261                         return 0;
262                         **
263                         */
264
265                 case RIO_FOAD_RTA:
266                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_FOAD_RTA\n");
267                         return RIOCommandRta(p, (uint)arg, RIOFoadRta);
268
269                 case RIO_ZOMBIE_RTA:
270                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_ZOMBIE_RTA\n");
271                         return RIOCommandRta(p, (uint)arg, RIOZombieRta);
272
273                 case RIO_IDENTIFY_RTA:
274                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_IDENTIFY_RTA\n");
275                         return RIOIdentifyRta(p, arg);
276
277                 case RIO_KILL_NEIGHBOUR:
278                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_KILL_NEIGHBOUR\n");
279                         return RIOKillNeighbour(p, arg);
280
281                 case SPECIAL_RUP_CMD:
282                         {
283                                 struct CmdBlk *CmdBlkP;
284
285                                 rio_dprintk (RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD\n");
286                                 if (copyin((int)arg, (caddr_t)&SpecialRupCmd, 
287                                                         sizeof(SpecialRupCmd)) == COPYFAIL ) {
288                                         rio_dprintk (RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD copy failed\n");
289                                         p->RIOError.Error = COPYIN_FAILED;
290                                         return -EFAULT;
291                                 }
292                                 CmdBlkP = RIOGetCmdBlk();
293                                 if ( !CmdBlkP ) {
294                                         rio_dprintk (RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD GetCmdBlk failed\n");
295                                         return -ENXIO;
296                                 }
297                                 CmdBlkP->Packet = SpecialRupCmd.Packet;
298                                 if ( SpecialRupCmd.Host >= p->RIONumHosts )
299                                         SpecialRupCmd.Host = 0;
300                                         rio_dprintk (RIO_DEBUG_CTRL, "Queue special rup command for host %d rup %d\n",
301                                                 SpecialRupCmd.Host, SpecialRupCmd.RupNum);
302                                         if (RIOQueueCmdBlk(&p->RIOHosts[SpecialRupCmd.Host], 
303                                                         SpecialRupCmd.RupNum, CmdBlkP) == RIO_FAIL) {
304                                                 cprintf("FAILED TO QUEUE SPECIAL RUP COMMAND\n");
305                                         }
306                                         return 0;
307                                 }
308
309                         case RIO_DEBUG_MEM:
310 #ifdef DEBUG_MEM_SUPPORT
311 RIO_DEBUG_CTRL,                                 if (su)
312                                         return rio_RIODebugMemory(RIO_DEBUG_CTRL, arg);
313                                 else
314 #endif
315                                         return -EPERM;
316
317                         case RIO_ALL_MODEM:
318                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_ALL_MODEM\n");
319                                 p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
320                                 return -EINVAL;
321
322                         case RIO_GET_TABLE:
323                                 /*
324                                 ** Read the routing table from the device driver to user space
325                                 */
326                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_TABLE\n");
327
328                                 if ((retval = RIOApel(p)) != 0)
329                                         return retval;
330
331                                 if (copyout((caddr_t)p->RIOConnectTable, (int)arg,
332                                                 TOTAL_MAP_ENTRIES*sizeof(struct Map)) == COPYFAIL) {
333                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_TABLE copy failed\n");
334                                         p->RIOError.Error = COPYOUT_FAILED;
335                                         return -EFAULT;
336                                 }
337
338                                 {
339                                         int entry;
340                                         rio_dprintk (RIO_DEBUG_CTRL,  "*****\nMAP ENTRIES\n");
341                                         for ( entry=0; entry<TOTAL_MAP_ENTRIES; entry++ )
342                                         {
343                                           if ((p->RIOConnectTable[entry].ID == 0) &&
344                                               (p->RIOConnectTable[entry].HostUniqueNum == 0) &&
345                                               (p->RIOConnectTable[entry].RtaUniqueNum == 0)) continue;
346                                               
347                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum );
348                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum );
349                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID );
350                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2 );
351                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Flags = 0x%x\n", entry, (int)p->RIOConnectTable[entry].Flags );
352                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.SysPort = 0x%x\n", entry, (int)p->RIOConnectTable[entry].SysPort );
353                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[0].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Unit );
354                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[0].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Link );
355                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[1].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Unit );
356                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[1].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Link );
357                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[2].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Unit );
358                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[2].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Link );
359                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[3].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Unit );
360                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[4].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Link );
361                                                 rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name );
362                                         }
363                                         rio_dprintk (RIO_DEBUG_CTRL,  "*****\nEND MAP ENTRIES\n");
364                                 }
365                                 p->RIOQuickCheck = NOT_CHANGED; /* a table has been gotten */
366                                 return 0;
367
368                         case RIO_PUT_TABLE:
369                                 /*
370                                 ** Write the routing table to the device driver from user space
371                                 */
372                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_TABLE\n");
373
374                                 if ( !su ) {
375                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_TABLE !Root\n");
376                                         p->RIOError.Error = NOT_SUPER_USER;
377                                         return -EPERM;
378                                 }
379                                 if ( copyin((int)arg, (caddr_t)&p->RIOConnectTable[0], 
380                                         TOTAL_MAP_ENTRIES*sizeof(struct Map) ) == COPYFAIL ) {
381                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_TABLE copy failed\n");
382                                         p->RIOError.Error = COPYIN_FAILED;
383                                         return -EFAULT;
384                                 }
385 /*
386 ***********************************
387                                 {
388                                         int entry;
389                                         rio_dprint(RIO_DEBUG_CTRL,  ("*****\nMAP ENTRIES\n") );
390                                         for ( entry=0; entry<TOTAL_MAP_ENTRIES; entry++ )
391                                         {
392                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum ) );
393                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum ) );
394                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID ) );
395                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2 ) );
396                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Flags = 0x%x\n", entry, p->RIOConnectTable[entry].Flags ) );
397                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.SysPort = 0x%x\n", entry, p->RIOConnectTable[entry].SysPort ) );
398                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[0].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Unit ) );
399                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[0].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Link ) );
400                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[1].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Unit ) );
401                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[1].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Link ) );
402                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[2].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Unit ) );
403                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[2].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Link ) );
404                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[3].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Unit ) );
405                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[4].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Link ) );
406                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name ) );
407                                         }
408                                         rio_dprint(RIO_DEBUG_CTRL,  ("*****\nEND MAP ENTRIES\n") );
409                                 }
410 ***********************************
411 */
412                                 return RIONewTable(p);
413
414                         case RIO_GET_BINDINGS :
415                                 /*
416                                 ** Send bindings table, containing unique numbers of RTAs owned
417                                 ** by this system to user space
418                                 */
419                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_BINDINGS\n");
420
421                                 if ( !su )
422                                 {
423                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_BINDINGS !Root\n");
424                                         p->RIOError.Error = NOT_SUPER_USER;
425                                         return -EPERM;
426                                 }
427                                 if (copyout((caddr_t) p->RIOBindTab, (int)arg, 
428                                                 (sizeof(ulong) * MAX_RTA_BINDINGS)) == COPYFAIL ) {
429                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_BINDINGS copy failed\n");
430                                         p->RIOError.Error = COPYOUT_FAILED;
431                                         return -EFAULT;
432                                 }
433                                 return 0;
434
435                         case RIO_PUT_BINDINGS :
436                         /*
437                         ** Receive a bindings table, containing unique numbers of RTAs owned
438                         ** by this system
439                         */
440                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS\n");
441
442                                 if ( !su )
443                                 {
444                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS !Root\n");
445                                         p->RIOError.Error = NOT_SUPER_USER;
446                                         return -EPERM;
447                                 }
448                                 if (copyin((int)arg, (caddr_t)&p->RIOBindTab[0], 
449                                                 (sizeof(ulong) * MAX_RTA_BINDINGS))==COPYFAIL ) {
450                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS copy failed\n");
451                                         p->RIOError.Error = COPYIN_FAILED;
452                                         return -EFAULT;
453                                 }
454                                 return 0;
455
456                         case RIO_BIND_RTA :
457                                 {
458                                         int     EmptySlot = -1;
459                                         /*
460                                         ** Bind this RTA to host, so that it will be booted by 
461                                         ** host in 'boot owned RTAs' mode.
462                                         */
463                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_BIND_RTA\n");
464
465                                         if ( !su ) {
466                                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_BIND_RTA !Root\n");
467                                                 p->RIOError.Error = NOT_SUPER_USER;
468                                                 return -EPERM;
469                                         }
470                                         for (Entry = 0; Entry < MAX_RTA_BINDINGS; Entry++) {
471                                                 if ((EmptySlot == -1) && (p->RIOBindTab[Entry] == 0L))
472                                                         EmptySlot = Entry;
473                                                 else if (p->RIOBindTab[Entry] == (int) arg) {
474                                                         /*
475                                                         ** Already exists - delete
476                                                         */
477                                                         p->RIOBindTab[Entry] = 0L;
478                                                         rio_dprintk (RIO_DEBUG_CTRL, "Removing Rta %x from p->RIOBindTab\n",
479                                                                                                                 (int) arg);
480                                                         return 0;
481                                                 }
482                                         }
483                                         /*
484                                         ** Dosen't exist - add
485                                         */
486                                         if (EmptySlot != -1) {
487                                                 p->RIOBindTab[EmptySlot] = (int) arg;
488                                                 rio_dprintk (RIO_DEBUG_CTRL, "Adding Rta %x to p->RIOBindTab\n",
489                                                         (int) arg);
490                                         }
491                                         else {
492                                                 rio_dprintk (RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %x not added\n",
493                                                         (int) arg);
494                                                 return -ENOMEM;
495                                         }
496                                         return 0;
497                                 }
498
499                         case RIO_RESUME :
500                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME\n");
501                                 port = (uint) arg;
502                                 if ((port < 0) || (port > 511)) {
503                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME: Bad port number %d\n", port);
504                                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
505                                         return -EINVAL;
506                                 }
507                                 PortP = p->RIOPortp[port];
508                                 if (!PortP->Mapped) {
509                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not mapped\n", port);
510                                         p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
511                                         return -EINVAL;
512                                 }
513                                 if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) {
514                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not open\n", port);
515                                         return -EINVAL;
516                                 }
517
518                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
519                                 if (RIOPreemptiveCmd(p, (p->RIOPortp[port]), RESUME) == 
520                                                                                 RIO_FAIL) {
521                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME failed\n");
522                                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
523                                         return -EBUSY;
524                                 }
525                                 else {
526                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME: Port %d resumed\n", port);
527                                         PortP->State |= RIO_BUSY;
528                                 }
529                                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
530                                 return retval;
531
532                         case RIO_ASSIGN_RTA:
533                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA\n");
534                                 if ( !su ) {
535                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA !Root\n");
536                                         p->RIOError.Error = NOT_SUPER_USER;
537                                         return -EPERM;
538                                 }
539                                 if (copyin((int)arg, (caddr_t)&MapEnt, sizeof(MapEnt))
540                                                                         == COPYFAIL) {
541                                         rio_dprintk (RIO_DEBUG_CTRL, "Copy from user space failed\n");
542                                         p->RIOError.Error = COPYIN_FAILED;
543                                         return -EFAULT;
544                                 }
545                                 return RIOAssignRta(p, &MapEnt);
546
547                         case RIO_CHANGE_NAME:
548                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_CHANGE_NAME\n");
549                                 if ( !su ) {
550                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_CHANGE_NAME !Root\n");
551                                         p->RIOError.Error = NOT_SUPER_USER;
552                                         return -EPERM;
553                                 }
554                                 if (copyin((int)arg, (caddr_t)&MapEnt, sizeof(MapEnt))
555                                                 == COPYFAIL) {
556                                         rio_dprintk (RIO_DEBUG_CTRL, "Copy from user space failed\n");
557                                         p->RIOError.Error = COPYIN_FAILED;
558                                         return -EFAULT;
559                                 }
560                                 return RIOChangeName(p, &MapEnt);
561
562                         case RIO_DELETE_RTA:
563                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_DELETE_RTA\n");
564                                 if ( !su ) {
565                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_DELETE_RTA !Root\n");
566                                         p->RIOError.Error = NOT_SUPER_USER;
567                                         return -EPERM;
568                                 }
569                                 if (copyin((int)arg, (caddr_t)&MapEnt, sizeof(MapEnt))
570                                                         == COPYFAIL ) {
571                                         rio_dprintk (RIO_DEBUG_CTRL, "Copy from data space failed\n");
572                                         p->RIOError.Error = COPYIN_FAILED;
573                                         return -EFAULT;
574                                 }
575                                 return RIODeleteRta(p, &MapEnt);
576
577                         case RIO_QUICK_CHECK:
578                                 /*
579                                 ** 09.12.1998 ARG - ESIL 0776 part fix
580                                 ** A customer was using this to get the RTAs
581                                 ** connect/disconnect status.
582                                 ** RIOConCon() had been botched use RIOHalted
583                                 ** to keep track of RTA connections and
584                                 ** disconnections. That has been changed and
585                                 ** RIORtaDisCons in the rio_info struct now
586                                 ** does the job. So we need to return the value
587                                 ** of RIORtaCons instead of RIOHalted.
588                                 **
589                                 if (copyout((caddr_t)&p->RIOHalted,(int)arg,
590                                                         sizeof(uint))==COPYFAIL) {
591                                 **
592                                 */
593
594                                 if (copyout((caddr_t)&p->RIORtaDisCons,(int)arg,
595                                                         sizeof(uint))==COPYFAIL) {
596                                         p->RIOError.Error = COPYOUT_FAILED;
597                                         return -EFAULT;
598                                 }
599                                 return 0;
600
601                         case RIO_LAST_ERROR:
602                                 if (copyout((caddr_t)&p->RIOError, (int)arg, 
603                                                 sizeof(struct Error)) ==COPYFAIL )
604                                         return -EFAULT;
605                                 return 0;
606
607                         case RIO_GET_LOG:
608                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_LOG\n");
609 #ifdef LOGGING
610                                 RIOGetLog(arg);
611                                 return 0;
612 #else
613                                 return -EINVAL;
614 #endif
615
616                         case RIO_GET_MODTYPE:
617                                 if ( copyin( (int)arg, (caddr_t)&port, 
618                                                                         sizeof(uint)) == COPYFAIL )
619                                 {
620                                         p->RIOError.Error = COPYIN_FAILED;
621                                         return -EFAULT;
622                                 }
623                                 rio_dprintk (RIO_DEBUG_CTRL, "Get module type for port %d\n", port);
624                                 if ( port < 0 || port > 511 )
625                                 {
626                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Bad port number %d\n", port);
627                                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
628                                         return -EINVAL;
629                                 }
630                                 PortP = (p->RIOPortp[port]);
631                                 if (!PortP->Mapped)
632                                 {
633                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Port %d not mapped\n", port);
634                                         p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
635                                         return -EINVAL;
636                                 }
637                                 /*
638                                 ** Return module type of port
639                                 */
640                                 port = PortP->HostP->UnixRups[PortP->RupNum].ModTypes;
641                                 if (copyout((caddr_t)&port, (int)arg, 
642                                                         sizeof(uint)) == COPYFAIL) {
643                                         p->RIOError.Error = COPYOUT_FAILED;
644                                         return -EFAULT;
645                                 }
646                                 return(0);
647                         /*
648                         ** 02.03.1999 ARG - ESIL 0820 fix
649                         ** We are no longer using "Boot Mode", so these ioctls
650                         ** are not required :
651                         **
652                         case RIO_GET_BOOT_MODE :
653                                 rio_dprint(RIO_DEBUG_CTRL, ("Get boot mode - %x\n", p->RIOBootMode));
654                                 **
655                                 ** Return boot state of system - BOOT_ALL, BOOT_OWN or BOOT_NONE
656                                 **
657                                 if (copyout((caddr_t)&p->RIOBootMode, (int)arg, 
658                                                 sizeof(p->RIOBootMode)) == COPYFAIL) {
659                                         p->RIOError.Error = COPYOUT_FAILED;
660                                         return -EFAULT;
661                                 }
662                                 return(0);
663                         
664                         case RIO_SET_BOOT_MODE :
665                                 p->RIOBootMode = (uint) arg;
666                                 rio_dprint(RIO_DEBUG_CTRL, ("Set boot mode to 0x%x\n", p->RIOBootMode));
667                                 return(0);
668                         **
669                         ** End ESIL 0820 fix
670                         */
671
672                         case RIO_BLOCK_OPENS:
673                                 rio_dprintk (RIO_DEBUG_CTRL, "Opens block until booted\n");
674                                 for ( Entry=0; Entry < RIO_PORTS; Entry++ ) {
675                                         rio_spin_lock_irqsave(&PortP->portSem, flags);
676                                         p->RIOPortp[Entry]->WaitUntilBooted = 1;
677                                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
678                                 }
679                                 return 0;
680                         
681                         case RIO_SETUP_PORTS:
682                                 rio_dprintk (RIO_DEBUG_CTRL, "Setup ports\n");
683                                 if (copyin((int)arg, (caddr_t)&PortSetup, sizeof(PortSetup)) 
684                                                 == COPYFAIL ) {
685                                          p->RIOError.Error = COPYIN_FAILED;
686                                          rio_dprintk (RIO_DEBUG_CTRL, "EFAULT");
687                                          return -EFAULT;
688                                 }
689                                 if ( PortSetup.From > PortSetup.To || 
690                                                                 PortSetup.To >= RIO_PORTS ) {
691                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
692                                          rio_dprintk (RIO_DEBUG_CTRL, "ENXIO");
693                                          return -ENXIO;
694                                 }
695                                 if ( PortSetup.XpCps > p->RIOConf.MaxXpCps ||
696                                          PortSetup.XpCps < p->RIOConf.MinXpCps ) {
697                                          p->RIOError.Error = XPRINT_CPS_OUT_OF_RANGE;
698                                          rio_dprintk (RIO_DEBUG_CTRL, "EINVAL");
699                                          return -EINVAL;
700                                 }
701                                 if ( !p->RIOPortp ) {
702                                          cprintf("No p->RIOPortp array!\n");
703                                          rio_dprintk (RIO_DEBUG_CTRL, "No p->RIOPortp array!\n");
704                                          return -EIO;
705                                 }
706                                 rio_dprintk (RIO_DEBUG_CTRL, "entering loop (%d %d)!\n", PortSetup.From, PortSetup.To);
707                                 for (loop=PortSetup.From; loop<=PortSetup.To; loop++) {
708                                 rio_dprintk (RIO_DEBUG_CTRL, "in loop (%d)!\n", loop);
709 #if 0
710                                         PortP = p->RIOPortp[loop];
711                                         if ( !PortP->TtyP )
712                                                 PortP->TtyP = &p->channel[loop];
713
714                                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
715                                                 if ( PortSetup.IxAny )
716                                                         PortP->Config |= RIO_IXANY;
717                                                 else
718                                                         PortP->Config &= ~RIO_IXANY;
719                                                 if ( PortSetup.IxOn )
720                                                         PortP->Config |= RIO_IXON;
721                                                 else
722                                                         PortP->Config &= ~RIO_IXON;
723                                          
724                                          /*
725                                          ** If the port needs to wait for all a processes output
726                                          ** to drain before closing then this flag will be set.
727                                          */
728                                                 if (PortSetup.Drain) {
729                                                         PortP->Config |= RIO_WAITDRAIN;
730                                                 } else {
731                                                         PortP->Config &= ~RIO_WAITDRAIN;
732                                                 }
733                                          /*
734                                          ** Store settings if locking or unlocking port or if the
735                                          ** port is not locked, when setting the store option.
736                                          */
737                                          if (PortP->Mapped &&
738                                                  ((PortSetup.Lock && !PortP->Lock) ||
739                                                         (!PortP->Lock &&
740                                                         (PortSetup.Store && !PortP->Store)))) {
741                                                 PortP->StoredTty.iflag = PortP->TtyP->tm.c_iflag;
742                                                 PortP->StoredTty.oflag = PortP->TtyP->tm.c_oflag;
743                                                 PortP->StoredTty.cflag = PortP->TtyP->tm.c_cflag;
744                                                 PortP->StoredTty.lflag = PortP->TtyP->tm.c_lflag;
745                                                 PortP->StoredTty.line = PortP->TtyP->tm.c_line;
746                                                 bcopy(PortP->TtyP->tm.c_cc, PortP->StoredTty.cc,
747                                                         NCC + 5);
748                                          }
749                                          PortP->Lock = PortSetup.Lock;
750                                          PortP->Store = PortSetup.Store;
751                                          PortP->Xprint.XpCps = PortSetup.XpCps;
752                                          bcopy(PortSetup.XpOn,PortP->Xprint.XpOn,MAX_XP_CTRL_LEN);
753                                          bcopy(PortSetup.XpOff,PortP->Xprint.XpOff,MAX_XP_CTRL_LEN);
754                                          PortP->Xprint.XpOn[MAX_XP_CTRL_LEN-1] = '\0';
755                                          PortP->Xprint.XpOff[MAX_XP_CTRL_LEN-1] = '\0';
756                                          PortP->Xprint.XpLen = RIOStrlen(PortP->Xprint.XpOn)+
757                                                                 RIOStrlen(PortP->Xprint.XpOff);
758                                          rio_spin_unlock_irqrestore( &PortP->portSem , flags);
759 #endif
760                                 }
761                                 rio_dprintk (RIO_DEBUG_CTRL, "after loop (%d)!\n", loop);
762                                 rio_dprintk (RIO_DEBUG_CTRL, "Retval:%x\n", retval);
763                                 return retval;
764
765                         case RIO_GET_PORT_SETUP :
766                                 rio_dprintk (RIO_DEBUG_CTRL, "Get port setup\n");
767                                 if (copyin((int)arg, (caddr_t)&PortSetup, sizeof(PortSetup)) 
768                                                         == COPYFAIL ) {
769                                          p->RIOError.Error = COPYIN_FAILED;
770                                          return -EFAULT;
771                                 }
772                                 if ( PortSetup.From >= RIO_PORTS ) {
773                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
774                                          return -ENXIO;
775                                 }
776
777                                 port = PortSetup.To = PortSetup.From;
778                                 PortSetup.IxAny = (p->RIOPortp[port]->Config & RIO_IXANY) ? 
779                                                                                                         1 : 0;
780                                 PortSetup.IxOn = (p->RIOPortp[port]->Config & RIO_IXON) ? 
781                                                                                                         1 : 0;
782                                 PortSetup.Drain = (p->RIOPortp[port]->Config & RIO_WAITDRAIN) ?
783                                                                                                         1 : 0;
784                                 PortSetup.Store = p->RIOPortp[port]->Store;
785                                 PortSetup.Lock = p->RIOPortp[port]->Lock;
786                                 PortSetup.XpCps = p->RIOPortp[port]->Xprint.XpCps;
787                                 bcopy(p->RIOPortp[port]->Xprint.XpOn, PortSetup.XpOn,
788                                                                                                         MAX_XP_CTRL_LEN);
789                                 bcopy(p->RIOPortp[port]->Xprint.XpOff, PortSetup.XpOff,
790                                                                                                         MAX_XP_CTRL_LEN);
791                                 PortSetup.XpOn[MAX_XP_CTRL_LEN-1] = '\0';
792                                 PortSetup.XpOff[MAX_XP_CTRL_LEN-1] = '\0';
793
794                                 if ( copyout((caddr_t)&PortSetup,(int)arg,sizeof(PortSetup))
795                                                                                                                 ==COPYFAIL ) {
796                                          p->RIOError.Error = COPYOUT_FAILED;
797                                          return -EFAULT;
798                                 }
799                                 return retval;
800
801                         case RIO_GET_PORT_PARAMS :
802                                 rio_dprintk (RIO_DEBUG_CTRL, "Get port params\n");
803                                 if (copyin( (int)arg, (caddr_t)&PortParams,
804                                         sizeof(struct PortParams)) == COPYFAIL) {
805                                         p->RIOError.Error = COPYIN_FAILED;
806                                         return -EFAULT;
807                                 }
808                                 if (PortParams.Port >= RIO_PORTS) {
809                                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
810                                         return -ENXIO;
811                                 }
812                                 PortP = (p->RIOPortp[PortParams.Port]);
813                                 PortParams.Config = PortP->Config;
814                                 PortParams.State = PortP->State;
815                                 rio_dprintk (RIO_DEBUG_CTRL, "Port %d\n", PortParams.Port);
816
817                                 if (copyout((caddr_t)&PortParams, (int)arg, 
818                                                 sizeof(struct PortParams)) == COPYFAIL ) {
819                                          p->RIOError.Error = COPYOUT_FAILED;
820                                          return -EFAULT;
821                                 }
822                                 return retval;
823
824                         case RIO_GET_PORT_TTY :
825                                 rio_dprintk (RIO_DEBUG_CTRL, "Get port tty\n");
826                                 if (copyin((int)arg, (caddr_t)&PortTty, sizeof(struct PortTty)) 
827                                                 == COPYFAIL) {
828                                          p->RIOError.Error = COPYIN_FAILED;
829                                          return -EFAULT;
830                                 }
831                                 if ( PortTty.port >= RIO_PORTS ) {
832                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
833                                          return -ENXIO;
834                                 }
835
836                                 rio_dprintk (RIO_DEBUG_CTRL, "Port %d\n", PortTty.port);
837                                 PortP = (p->RIOPortp[PortTty.port]);
838 #if 0
839                                 PortTty.Tty.tm.c_iflag = PortP->TtyP->tm.c_iflag;
840                                 PortTty.Tty.tm.c_oflag = PortP->TtyP->tm.c_oflag;
841                                 PortTty.Tty.tm.c_cflag = PortP->TtyP->tm.c_cflag;
842                                 PortTty.Tty.tm.c_lflag = PortP->TtyP->tm.c_lflag;
843 #endif
844                                 if (copyout((caddr_t)&PortTty, (int)arg, 
845                                                         sizeof(struct PortTty)) == COPYFAIL) {
846                                         p->RIOError.Error = COPYOUT_FAILED;
847                                         return -EFAULT;
848                                 }
849                                 return retval;
850
851                         case RIO_SET_PORT_TTY :
852                                 if (copyin((int)arg, (caddr_t)&PortTty, 
853                                                 sizeof(struct PortTty)) == COPYFAIL) {
854                                          p->RIOError.Error = COPYIN_FAILED;
855                                          return -EFAULT;
856                                 }
857                                 rio_dprintk (RIO_DEBUG_CTRL, "Set port %d tty\n", PortTty.port);
858                                 if (PortTty.port >= (ushort) RIO_PORTS) {
859                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
860                                          return -ENXIO;
861                                 }
862                                 PortP = (p->RIOPortp[PortTty.port]);
863 #if 0
864                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
865                                 PortP->TtyP->tm.c_iflag = PortTty.Tty.tm.c_iflag;
866                                 PortP->TtyP->tm.c_oflag = PortTty.Tty.tm.c_oflag;
867                                 PortP->TtyP->tm.c_cflag = PortTty.Tty.tm.c_cflag;
868                                 PortP->TtyP->tm.c_lflag = PortTty.Tty.tm.c_lflag;
869                                 rio_spin_unlock_irqrestore( &PortP->portSem , flags);
870 #endif
871
872                                 RIOParam(PortP, CONFIG, PortP->State & RIO_MODEM, OK_TO_SLEEP);
873                                 return retval;
874
875                         case RIO_SET_PORT_PARAMS :
876                                 rio_dprintk (RIO_DEBUG_CTRL, "Set port params\n");
877                                 if ( copyin((int)arg, (caddr_t)&PortParams, sizeof(PortParams))
878                                         == COPYFAIL ) {
879                                          p->RIOError.Error = COPYIN_FAILED;
880                                          return -EFAULT;
881                                 }
882                                 if (PortParams.Port >= (ushort) RIO_PORTS) {
883                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
884                                          return -ENXIO;
885                                 }
886                                 PortP = (p->RIOPortp[PortParams.Port]);
887                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
888                                 PortP->Config = PortParams.Config;
889                                 rio_spin_unlock_irqrestore( &PortP->portSem , flags);
890                                 return retval;
891
892                         case RIO_GET_PORT_STATS :
893                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_PORT_STATS\n");
894                                 if ( copyin((int)arg, (caddr_t)&portStats, 
895                                                 sizeof(struct portStats)) == COPYFAIL ) {
896                                          p->RIOError.Error = COPYIN_FAILED;
897                                          return -EFAULT;
898                                 }
899                                 if ( portStats.port >= RIO_PORTS ) {
900                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
901                                          return -ENXIO;
902                                 }
903                                 PortP = (p->RIOPortp[portStats.port]);
904                                 portStats.gather = PortP->statsGather;
905                                 portStats.txchars = PortP->txchars;
906                                 portStats.rxchars = PortP->rxchars;
907                                 portStats.opens = PortP->opens;
908                                 portStats.closes = PortP->closes;
909                                 portStats.ioctls = PortP->ioctls;
910                                 if ( copyout((caddr_t)&portStats, (int)arg, 
911                                                         sizeof(struct portStats)) == COPYFAIL ) {
912                                          p->RIOError.Error = COPYOUT_FAILED;
913                                          return -EFAULT;
914                                 }
915                                 return retval;
916
917                         case RIO_RESET_PORT_STATS :
918                                 port = (uint) arg;
919                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESET_PORT_STATS\n");
920                                 if ( port >= RIO_PORTS ) {
921                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
922                                          return -ENXIO;
923                                 }
924                                 PortP = (p->RIOPortp[port]);
925                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
926                                 PortP->txchars  = 0;
927                                 PortP->rxchars  = 0;
928                                 PortP->opens    = 0;
929                                 PortP->closes   = 0;
930                                 PortP->ioctls   = 0;
931                                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
932                                 return retval;
933
934                         case RIO_GATHER_PORT_STATS :
935                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_GATHER_PORT_STATS\n");
936                                 if ( copyin( (int)arg, (caddr_t)&portStats, 
937                                                 sizeof(struct portStats)) == COPYFAIL ) {
938                                          p->RIOError.Error = COPYIN_FAILED;
939                                          return -EFAULT;
940                                 }
941                                 if ( portStats.port >= RIO_PORTS ) {
942                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
943                                          return -ENXIO;
944                                 }
945                                 PortP = (p->RIOPortp[portStats.port]);
946                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
947                                 PortP->statsGather = portStats.gather;
948                                 rio_spin_unlock_irqrestore( &PortP->portSem , flags);
949                                 return retval;
950
951 #ifdef DEBUG_SUPPORTED
952                         case RIO_READ_LEVELS:
953                                 {
954                                          int num;
955                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_LEVELS\n");
956                                          for ( num=0; RIODbInf[num].Flag; num++ ) ;
957                                          rio_dprintk (RIO_DEBUG_CTRL, "%d levels to copy\n",num);
958                                          if (copyout((caddr_t)RIODbInf,(int)arg,
959                                                 sizeof(struct DbInf)*(num+1))==COPYFAIL) {
960                                                 rio_dprintk (RIO_DEBUG_CTRL, "ReadLevels Copy failed\n");
961                                                 p->RIOError.Error = COPYOUT_FAILED;
962                                                 return -EFAULT;
963                                          }
964                                          rio_dprintk (RIO_DEBUG_CTRL, "%d levels to copied\n",num);
965                                          return retval;
966                                 }
967 #endif
968
969                          case RIO_READ_CONFIG:
970                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_CONFIG\n");
971                                 if (copyout((caddr_t)&p->RIOConf, (int)arg, 
972                                                         sizeof(struct Conf)) ==COPYFAIL ) {
973                                          p->RIOError.Error = COPYOUT_FAILED;
974                                          return -EFAULT;
975                                 }
976                                 return retval;
977
978                         case RIO_SET_CONFIG:
979                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET_CONFIG\n");
980                                 if ( !su ) {
981                                          p->RIOError.Error = NOT_SUPER_USER;
982                                          return -EPERM;
983                                 }
984                                 if ( copyin((int)arg, (caddr_t)&p->RIOConf, sizeof(struct Conf) )
985                                                 ==COPYFAIL ) {
986                                          p->RIOError.Error = COPYIN_FAILED;
987                                          return -EFAULT;
988                                 }
989                                 /*
990                                 ** move a few value around
991                                 */
992                                 for (Host=0; Host < p->RIONumHosts; Host++)
993                                          if ( (p->RIOHosts[Host].Flags & RUN_STATE) == RC_RUNNING )
994                                                 WWORD(p->RIOHosts[Host].ParmMapP->timer , 
995                                                                 p->RIOConf.Timer);
996                                 return retval;
997
998                         case RIO_START_POLLER:
999                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_START_POLLER\n");
1000                                 return -EINVAL;
1001
1002                         case RIO_STOP_POLLER:
1003                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_STOP_POLLER\n");
1004                                 if ( !su ) {
1005                                          p->RIOError.Error = NOT_SUPER_USER;
1006                                          return -EPERM;
1007                                 }
1008                                 p->RIOPolling = NOT_POLLING;
1009                                 return retval;
1010
1011                         case RIO_SETDEBUG:
1012                         case RIO_GETDEBUG:
1013                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_SETDEBUG/RIO_GETDEBUG\n");
1014                                 if ( copyin( (int)arg, (caddr_t)&DebugCtrl, sizeof(DebugCtrl) )
1015                                                         ==COPYFAIL ) {
1016                                          p->RIOError.Error = COPYIN_FAILED;
1017                                          return -EFAULT;
1018                                 }
1019                                 if ( DebugCtrl.SysPort == NO_PORT ) {
1020                                         if ( cmd == RIO_SETDEBUG ) {
1021                                                 if ( !su ) {
1022                                                         p->RIOError.Error = NOT_SUPER_USER;
1023                                                         return -EPERM;
1024                                                 }
1025                                                 p->rio_debug = DebugCtrl.Debug;
1026                                                 p->RIODebugWait = DebugCtrl.Wait;
1027                                                 rio_dprintk (RIO_DEBUG_CTRL, "Set global debug to 0x%x set wait to 0x%x\n",
1028                                                         p->rio_debug,p->RIODebugWait);
1029                                         }
1030                                         else {
1031                                                 rio_dprintk (RIO_DEBUG_CTRL, "Get global debug 0x%x wait 0x%x\n",
1032                                                                                 p->rio_debug,p->RIODebugWait);
1033                                                 DebugCtrl.Debug = p->rio_debug;
1034                                                 DebugCtrl.Wait  = p->RIODebugWait;
1035                                                 if ( copyout((caddr_t)&DebugCtrl,(int)arg,
1036                                                                 sizeof(DebugCtrl)) == COPYFAIL ) {
1037                                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n",
1038                                                                         DebugCtrl.SysPort);
1039                                                         p->RIOError.Error = COPYOUT_FAILED;
1040                                                         return -EFAULT;
1041                                                 }
1042                                         }
1043                                 }
1044                                 else if ( DebugCtrl.SysPort >= RIO_PORTS && 
1045                                                         DebugCtrl.SysPort != NO_PORT ) {
1046                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n",
1047                                                                         DebugCtrl.SysPort);
1048                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1049                                          return -ENXIO;
1050                                 }
1051                                 else if ( cmd == RIO_SETDEBUG ) {
1052                                         if ( !su ) {
1053                                                 p->RIOError.Error = NOT_SUPER_USER;
1054                                                 return -EPERM;
1055                                         }
1056                                         rio_spin_lock_irqsave(&PortP->portSem, flags);
1057                                         p->RIOPortp[DebugCtrl.SysPort]->Debug = DebugCtrl.Debug;
1058                                         rio_spin_unlock_irqrestore( &PortP->portSem , flags);
1059                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_SETDEBUG 0x%x\n",
1060                                                                 p->RIOPortp[DebugCtrl.SysPort]->Debug);
1061                                 }
1062                                 else {
1063                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_GETDEBUG 0x%x\n",
1064                                                                          p->RIOPortp[DebugCtrl.SysPort]->Debug);
1065                                         DebugCtrl.Debug = p->RIOPortp[DebugCtrl.SysPort]->Debug;
1066                                         if ( copyout((caddr_t)&DebugCtrl,(int)arg,
1067                                                                 sizeof(DebugCtrl))==COPYFAIL ) {
1068                                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_GETDEBUG: Bad copy to user space\n");
1069                                                 p->RIOError.Error = COPYOUT_FAILED;
1070                                                 return -EFAULT;
1071                                         }
1072                                 }
1073                                 return retval;
1074
1075                         case RIO_VERSID:
1076                                 /*
1077                                 ** Enquire about the release and version.
1078                                 ** We return MAX_VERSION_LEN bytes, being a
1079                                 ** textual null terminated string.
1080                                 */
1081                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_VERSID\n");
1082                                 if ( copyout(   (caddr_t)RIOVersid(),
1083                                                 (int)arg,
1084                                                 sizeof(struct rioVersion) ) == COPYFAIL )
1085                                 {
1086                                          rio_dprintk (RIO_DEBUG_CTRL,  "RIO_VERSID: Bad copy to user space (host=%d)\n", Host);
1087                                          p->RIOError.Error = COPYOUT_FAILED;
1088                                          return -EFAULT;
1089                                 }
1090                                 return retval;
1091
1092                         /*
1093                         ** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1094                         ** !! commented out previous 'RIO_VERSID' functionality !!
1095                         ** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1096                         **
1097                         case RIO_VERSID:
1098                                 **
1099                                 ** Enquire about the release and version.
1100                                 ** We return MAX_VERSION_LEN bytes, being a textual null
1101                                 ** terminated string.
1102                                 **
1103                                 rio_dprint(RIO_DEBUG_CTRL, ("RIO_VERSID\n"));
1104                                 if (copyout((caddr_t)RIOVersid(), 
1105                                                 (int)arg, MAX_VERSION_LEN ) == COPYFAIL ) {
1106                                          rio_dprint(RIO_DEBUG_CTRL, ("RIO_VERSID: Bad copy to user space\n",Host));
1107                                          p->RIOError.Error = COPYOUT_FAILED;
1108                                          return -EFAULT;
1109                                 }
1110                                 return retval;
1111                         **
1112                         ** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1113                         */
1114
1115                         case RIO_NUM_HOSTS:
1116                                 /*
1117                                 ** Enquire as to the number of hosts located
1118                                 ** at init time.
1119                                 */
1120                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_NUM_HOSTS\n");
1121                                 if (copyout((caddr_t)&p->RIONumHosts, (int)arg, 
1122                                                         sizeof(p->RIONumHosts) )==COPYFAIL ) {
1123                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_NUM_HOSTS: Bad copy to user space\n");
1124                                          p->RIOError.Error = COPYOUT_FAILED;
1125                                          return -EFAULT;
1126                                 }
1127                                 return retval;
1128
1129                         case RIO_HOST_FOAD:
1130                                 /*
1131                                 ** Kill host. This may not be in the final version...
1132                                 */
1133                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_FOAD %d\n", (int)arg);
1134                                 if ( !su ) {
1135                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_FOAD: Not super user\n");
1136                                          p->RIOError.Error = NOT_SUPER_USER;
1137                                          return -EPERM;
1138                                 }
1139                                 p->RIOHalted = 1;
1140                                 p->RIOSystemUp = 0;
1141
1142                                 for ( Host=0; Host<p->RIONumHosts; Host++ ) {
1143                                          (void)RIOBoardTest( p->RIOHosts[Host].PaddrP, 
1144                                                 p->RIOHosts[Host].Caddr, p->RIOHosts[Host].Type, 
1145                                                                 p->RIOHosts[Host].Slot );
1146                                          bzero( (caddr_t)&p->RIOHosts[Host].Flags, 
1147                                                         ((int)&p->RIOHosts[Host].____end_marker____) -
1148                                                                  ((int)&p->RIOHosts[Host].Flags) );
1149                                          p->RIOHosts[Host].Flags  = RC_WAITING;
1150 #if 0
1151                                          RIOSetupDataStructs(p);
1152 #endif
1153                                 }
1154                                 RIOFoadWakeup(p);
1155                                 p->RIONumBootPkts = 0;
1156                                 p->RIOBooting = 0;
1157
1158 #ifdef RINGBUFFER_SUPPORT
1159                                 for( loop=0; loop<RIO_PORTS; loop++ )
1160                                         if ( p->RIOPortp[loop]->TxRingBuffer )
1161                                                 sysfree((void *)p->RIOPortp[loop]->TxRingBuffer, 
1162                                                         RIOBufferSize );
1163 #endif
1164 #if 0
1165                                 bzero((caddr_t)&p->RIOPortp[0],RIO_PORTS*sizeof(struct Port));
1166 #else
1167                                 printk ("HEEEEELP!\n");
1168 #endif
1169
1170                                 for( loop=0; loop<RIO_PORTS; loop++ ) {
1171 #if 0
1172                                         p->RIOPortp[loop]->TtyP = &p->channel[loop];
1173 #endif
1174                                         
1175                                         spin_lock_init(&p->RIOPortp[loop]->portSem);
1176                                         p->RIOPortp[loop]->InUse = NOT_INUSE;
1177                                 }
1178
1179                                 p->RIOSystemUp = 0;
1180                                 return retval;
1181
1182                         case RIO_DOWNLOAD:
1183                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_DOWNLOAD\n");
1184                                 if ( !su ) {
1185                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Not super user\n");
1186                                          p->RIOError.Error = NOT_SUPER_USER;
1187                                          return -EPERM;
1188                                 }
1189                                 if ( copyin((int)arg, (caddr_t)&DownLoad, 
1190                                                         sizeof(DownLoad) )==COPYFAIL ) {
1191                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Copy in from user space failed\n");
1192                                          p->RIOError.Error = COPYIN_FAILED;
1193                                          return -EFAULT;
1194                                 }
1195                                 rio_dprintk (RIO_DEBUG_CTRL, "Copied in download code for product code 0x%x\n",
1196                                     DownLoad.ProductCode);
1197
1198                                 /*
1199                                 ** It is important that the product code is an unsigned object!
1200                                 */
1201                                 if ( DownLoad.ProductCode > MAX_PRODUCT ) {
1202                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Bad product code %d passed\n",
1203                                                         DownLoad.ProductCode);
1204                                          p->RIOError.Error = NO_SUCH_PRODUCT;
1205                                          return -ENXIO;
1206                                 }
1207                                 /*
1208                                 ** do something!
1209                                 */
1210                                 retval = (*(RIOBootTable[DownLoad.ProductCode]))(p, &DownLoad);
1211                                                                                 /* <-- Panic */
1212                                 p->RIOHalted = 0;
1213                                 /*
1214                                 ** and go back, content with a job well completed.
1215                                 */
1216                                 return retval;
1217
1218                         case RIO_PARMS:
1219                                 {
1220                                         uint host;
1221
1222                                         if (copyin((int)arg, (caddr_t)&host, 
1223                                                         sizeof(host) ) == COPYFAIL ) {
1224                                                 rio_dprintk (RIO_DEBUG_CTRL, 
1225                                                         "RIO_HOST_REQ: Copy in from user space failed\n");
1226                                                 p->RIOError.Error = COPYIN_FAILED;
1227                                                 return -EFAULT;
1228                                         }
1229                                         /*
1230                                         ** Fetch the parmmap
1231                                         */
1232                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_PARMS\n");
1233                                         if ( copyout( (caddr_t)p->RIOHosts[host].ParmMapP, 
1234                                                                 (int)arg, sizeof(PARM_MAP) )==COPYFAIL ) {
1235                                                 p->RIOError.Error = COPYOUT_FAILED;
1236                                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_PARMS: Copy out to user space failed\n");
1237                                                 return -EFAULT;
1238                                         }
1239                                 }
1240                                 return retval;
1241
1242                         case RIO_HOST_REQ:
1243                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_REQ\n");
1244                                 if (copyin((int)arg, (caddr_t)&HostReq, 
1245                                                         sizeof(HostReq) )==COPYFAIL ) {
1246                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
1247                                          p->RIOError.Error = COPYIN_FAILED;
1248                                          return -EFAULT;
1249                                 }
1250                                 if ( HostReq.HostNum >= p->RIONumHosts ) {
1251                                          p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1252                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_REQ: Illegal host number %d\n",
1253                                                         HostReq.HostNum);
1254                                          return -ENXIO;
1255                                 }
1256                                 rio_dprintk (RIO_DEBUG_CTRL, "Request for host %d\n", HostReq.HostNum);
1257
1258                                 if (copyout((caddr_t)&p->RIOHosts[HostReq.HostNum], 
1259                                         (int)HostReq.HostP,sizeof(struct Host) ) == COPYFAIL) {
1260                                         p->RIOError.Error = COPYOUT_FAILED;
1261                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_REQ: Bad copy to user space\n");
1262                                         return -EFAULT;
1263                                 }
1264                                 return retval;
1265
1266                          case RIO_HOST_DPRAM:
1267                                 rio_dprintk (RIO_DEBUG_CTRL, "Request for DPRAM\n");
1268                                 if ( copyin( (int)arg, (caddr_t)&HostDpRam, 
1269                                                                 sizeof(HostDpRam) )==COPYFAIL ) {
1270                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Copy in from user space failed\n");
1271                                         p->RIOError.Error = COPYIN_FAILED;
1272                                         return -EFAULT;
1273                                 }
1274                                 if ( HostDpRam.HostNum >= p->RIONumHosts ) {
1275                                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1276                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Illegal host number %d\n",
1277                                                                                 HostDpRam.HostNum);
1278                                         return -ENXIO;
1279                                 }
1280                                 rio_dprintk (RIO_DEBUG_CTRL, "Request for host %d\n", HostDpRam.HostNum);
1281
1282                                 if (p->RIOHosts[HostDpRam.HostNum].Type == RIO_PCI) {
1283                                          int off;
1284                                          /* It's hardware like this that really gets on my tits. */
1285                                          static unsigned char copy[sizeof(struct DpRam)];
1286                                         for ( off=0; off<sizeof(struct DpRam); off++ )
1287                                                 copy[off] = p->RIOHosts[HostDpRam.HostNum].Caddr[off];
1288                                         if ( copyout( (caddr_t)copy, (int)HostDpRam.DpRamP, 
1289                                                         sizeof(struct DpRam) ) == COPYFAIL ) {
1290                                                 p->RIOError.Error = COPYOUT_FAILED;
1291                                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
1292                                                 return -EFAULT;
1293                                         }
1294                                 }
1295                                 else if (copyout((caddr_t)p->RIOHosts[HostDpRam.HostNum].Caddr,
1296                                         (int)HostDpRam.DpRamP, 
1297                                                 sizeof(struct DpRam) ) == COPYFAIL ) {
1298                                          p->RIOError.Error = COPYOUT_FAILED;
1299                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
1300                                          return -EFAULT;
1301                                 }
1302                                 return retval;
1303
1304                          case RIO_SET_BUSY:
1305                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET_BUSY\n");
1306                                 if ( (int)arg < 0 || (int)arg > 511 ) {
1307                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %d\n",(int)arg);
1308                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1309                                          return -EINVAL;
1310                                 }
1311                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1312                                 p->RIOPortp[(int)arg]->State |= RIO_BUSY;
1313                                 rio_spin_unlock_irqrestore( &PortP->portSem , flags);
1314                                 return retval;
1315
1316                          case RIO_HOST_PORT:
1317                                 /*
1318                                 ** The daemon want port information
1319                                 ** (probably for debug reasons)
1320                                 */
1321                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_PORT\n");
1322                                 if ( copyin((int)arg, (caddr_t)&PortReq, 
1323                                         sizeof(PortReq) )==COPYFAIL ) {
1324                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_PORT: Copy in from user space failed\n");
1325                                         p->RIOError.Error = COPYIN_FAILED;
1326                                         return -EFAULT;
1327                                 }
1328
1329                                 if (PortReq.SysPort >= RIO_PORTS) { /* SysPort is unsigned */
1330                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_PORT: Illegal port number %d\n",
1331                                                                                         PortReq.SysPort);
1332                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1333                                          return -ENXIO;
1334                                 }
1335                                 rio_dprintk (RIO_DEBUG_CTRL, "Request for port %d\n", PortReq.SysPort);
1336                                 if (copyout((caddr_t)p->RIOPortp[PortReq.SysPort], 
1337                                                          (int)PortReq.PortP,
1338                                                                 sizeof(struct Port) ) == COPYFAIL) {
1339                                          p->RIOError.Error = COPYOUT_FAILED;
1340                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_PORT: Bad copy to user space\n");
1341                                          return -EFAULT;
1342                                 }
1343                                 return retval;
1344
1345                         case RIO_HOST_RUP:
1346                                 /*
1347                                 ** The daemon want rup information
1348                                 ** (probably for debug reasons)
1349                                 */
1350                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP\n");
1351                                 if (copyin((int)arg, (caddr_t)&RupReq, 
1352                                                 sizeof(RupReq) )==COPYFAIL ) {
1353                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Copy in from user space failed\n");
1354                                          p->RIOError.Error = COPYIN_FAILED;
1355                                          return -EFAULT;
1356                                 }
1357                                 if (RupReq.HostNum >= p->RIONumHosts) { /* host is unsigned */
1358                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal host number %d\n",
1359                                                                 RupReq.HostNum);
1360                                          p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1361                                          return -ENXIO;
1362                                 }
1363                                 if ( RupReq.RupNum >= MAX_RUP+LINKS_PER_UNIT ) { /* eek! */
1364                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal rup number %d\n",
1365                                                         RupReq.RupNum);
1366                                          p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1367                                          return -EINVAL;
1368                                 }
1369                                 HostP = &p->RIOHosts[RupReq.HostNum];
1370
1371                                 if ((HostP->Flags & RUN_STATE) != RC_RUNNING) {
1372                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Host %d not running\n",
1373                                                         RupReq.HostNum);
1374                                          p->RIOError.Error = HOST_NOT_RUNNING;
1375                                          return -EIO;
1376                                 }
1377                                 rio_dprintk (RIO_DEBUG_CTRL, "Request for rup %d from host %d\n",
1378                                                 RupReq.RupNum,RupReq.HostNum);
1379
1380                                 if (copyout((caddr_t)HostP->UnixRups[RupReq.RupNum].RupP,
1381                                         (int)RupReq.RupP,sizeof(struct RUP) ) == COPYFAIL) {
1382                                         p->RIOError.Error = COPYOUT_FAILED;
1383                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Bad copy to user space\n");
1384                                         return -EFAULT;
1385                                 }
1386                                 return retval;
1387
1388                         case RIO_HOST_LPB:
1389                                 /*
1390                                 ** The daemon want lpb information
1391                                 ** (probably for debug reasons)
1392                                 */
1393                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB\n");
1394                                 if (copyin((int)arg, (caddr_t)&LpbReq, 
1395                                         sizeof(LpbReq) )==COPYFAIL ) {
1396                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy from user space\n");
1397                                          p->RIOError.Error = COPYIN_FAILED;
1398                                          return -EFAULT;
1399                                 }
1400                                 if (LpbReq.Host >= p->RIONumHosts) { /* host is unsigned */
1401                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal host number %d\n",
1402                                                         LpbReq.Host);
1403                                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1404                                         return -ENXIO;
1405                                 }
1406                                 if ( LpbReq.Link >= LINKS_PER_UNIT ) { /* eek! */
1407                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal link number %d\n",
1408                                                         LpbReq.Link);
1409                                          p->RIOError.Error = LINK_NUMBER_OUT_OF_RANGE;
1410                                          return -EINVAL;
1411                                 }
1412                                 HostP = &p->RIOHosts[LpbReq.Host];
1413
1414                                 if ( (HostP->Flags & RUN_STATE) != RC_RUNNING ) {
1415                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Host %d not running\n",
1416                                                 LpbReq.Host );
1417                                          p->RIOError.Error = HOST_NOT_RUNNING;
1418                                          return -EIO;
1419                                 }
1420                                 rio_dprintk (RIO_DEBUG_CTRL, "Request for lpb %d from host %d\n",
1421                                         LpbReq.Link, LpbReq.Host);
1422
1423                                 if (copyout((caddr_t)&HostP->LinkStrP[LpbReq.Link],
1424                                         (int)LpbReq.LpbP,sizeof(struct LPB) ) == COPYFAIL) {
1425                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy to user space\n");
1426                                         p->RIOError.Error = COPYOUT_FAILED;
1427                                         return -EFAULT;
1428                                 }
1429                                 return retval;
1430
1431                                 /*
1432                                 ** Here 3 IOCTL's that allow us to change the way in which
1433                                 ** rio logs errors. send them just to syslog or send them
1434                                 ** to both syslog and console or send them to just the console.
1435                                 **
1436                                 ** See RioStrBuf() in util.c for the other half.
1437                                 */
1438                         case RIO_SYSLOG_ONLY:
1439                                 p->RIOPrintLogState = PRINT_TO_LOG;     /* Just syslog */
1440                                 return 0;
1441
1442                         case RIO_SYSLOG_CONS:
1443                                 p->RIOPrintLogState = PRINT_TO_LOG_CONS;/* syslog and console */
1444                                 return 0;
1445
1446                         case RIO_CONS_ONLY:
1447                                 p->RIOPrintLogState = PRINT_TO_CONS;    /* Just console */
1448                                 return 0;
1449
1450                         case RIO_SIGNALS_ON:
1451                                 if ( p->RIOSignalProcess ) {
1452                                          p->RIOError.Error = SIGNALS_ALREADY_SET;
1453                                          return -EBUSY;
1454                                 }
1455                                 p->RIOSignalProcess = getpid();
1456                                 p->RIOPrintDisabled = DONT_PRINT;
1457                                 return retval;
1458
1459                         case RIO_SIGNALS_OFF:
1460                                 if ( p->RIOSignalProcess != getpid() ) {
1461                                          p->RIOError.Error = NOT_RECEIVING_PROCESS;
1462                                          return -EPERM;
1463                                 }
1464                                 rio_dprintk (RIO_DEBUG_CTRL, "Clear signal process to zero\n");
1465                                 p->RIOSignalProcess = 0;
1466                                 return retval;
1467
1468                         case RIO_SET_BYTE_MODE:
1469                                 for ( Host=0; Host<p->RIONumHosts; Host++ )
1470                                          if ( p->RIOHosts[Host].Type == RIO_AT )
1471                                                  p->RIOHosts[Host].Mode &= ~WORD_OPERATION;
1472                                 return retval;
1473
1474                         case RIO_SET_WORD_MODE:
1475                                 for ( Host=0; Host<p->RIONumHosts; Host++ )
1476                                          if ( p->RIOHosts[Host].Type == RIO_AT )
1477                                                  p->RIOHosts[Host].Mode |= WORD_OPERATION;
1478                                 return retval;
1479
1480                         case RIO_SET_FAST_BUS:
1481                                 for ( Host=0; Host<p->RIONumHosts; Host++ )
1482                                          if ( p->RIOHosts[Host].Type == RIO_AT )
1483                                                  p->RIOHosts[Host].Mode |= FAST_AT_BUS;
1484                                 return retval;
1485
1486                         case RIO_SET_SLOW_BUS:
1487                                 for ( Host=0; Host<p->RIONumHosts; Host++ )
1488                                          if ( p->RIOHosts[Host].Type == RIO_AT )
1489                                                  p->RIOHosts[Host].Mode &= ~FAST_AT_BUS;
1490                                 return retval;
1491
1492                         case RIO_MAP_B50_TO_50:
1493                         case RIO_MAP_B50_TO_57600:
1494                         case RIO_MAP_B110_TO_110:
1495                         case RIO_MAP_B110_TO_115200:
1496                                 rio_dprintk (RIO_DEBUG_CTRL, "Baud rate mapping\n");
1497                                 port = (uint) arg;
1498                                 if ( port < 0 || port > 511 ) {
1499                                          rio_dprintk (RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", port);
1500                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1501                                          return -EINVAL;
1502                                 }
1503                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1504                                 switch( cmd )
1505                                 {
1506                                         case RIO_MAP_B50_TO_50 :
1507                                                 p->RIOPortp[port]->Config |= RIO_MAP_50_TO_50;
1508                                                 break;
1509                                         case RIO_MAP_B50_TO_57600 :
1510                                                 p->RIOPortp[port]->Config &= ~RIO_MAP_50_TO_50;
1511                                                 break;
1512                                         case RIO_MAP_B110_TO_110 :
1513                                                 p->RIOPortp[port]->Config |= RIO_MAP_110_TO_110;
1514                                                 break;
1515                                         case RIO_MAP_B110_TO_115200 :
1516                                                 p->RIOPortp[port]->Config &= ~RIO_MAP_110_TO_110;
1517                                                 break;
1518                                 }
1519                                 rio_spin_unlock_irqrestore( &PortP->portSem , flags);
1520                                 return retval;
1521
1522                         case RIO_STREAM_INFO:
1523                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_STREAM_INFO\n");
1524                                 return -EINVAL;
1525
1526                         case RIO_SEND_PACKET:
1527                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_SEND_PACKET\n");
1528                                 if ( copyin( (int)arg, (caddr_t)&SendPack,
1529                                                                         sizeof(SendPack) )==COPYFAIL ) {
1530                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_SEND_PACKET: Bad copy from user space\n");
1531                                          p->RIOError.Error = COPYIN_FAILED;
1532                                          return -EFAULT;
1533                                 }
1534                                 if ( SendPack.PortNum >= 128 ) {
1535                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1536                                          return -ENXIO;
1537                                 }
1538
1539                                 PortP = p->RIOPortp[SendPack.PortNum];
1540                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1541
1542                                 if ( !can_add_transmit(&PacketP,PortP) ) {
1543                                          p->RIOError.Error = UNIT_IS_IN_USE;
1544                                          rio_spin_unlock_irqrestore( &PortP->portSem , flags);
1545                                          return -ENOSPC;
1546                                 }
1547
1548                                 for ( loop=0; loop<(ushort)(SendPack.Len & 127); loop++ )
1549                                          WBYTE(PacketP->data[loop], SendPack.Data[loop] );
1550
1551                                 WBYTE(PacketP->len, SendPack.Len);
1552
1553                                 add_transmit( PortP );
1554                                 /*
1555                                 ** Count characters transmitted for port statistics reporting
1556                                 */
1557                                 if (PortP->statsGather)
1558                                          PortP->txchars += (SendPack.Len & 127);
1559                                 rio_spin_unlock_irqrestore( &PortP->portSem , flags);
1560                                 return retval;
1561
1562                         case RIO_NO_MESG:
1563                                 if ( su )
1564                                          p->RIONoMessage = 1;
1565                                 return su ? 0 : -EPERM;
1566
1567                         case RIO_MESG:
1568                                 if ( su )
1569                                         p->RIONoMessage = 0;
1570                                 return su ? 0 : -EPERM;
1571
1572                         case RIO_WHAT_MESG:
1573                                 if ( copyout( (caddr_t)&p->RIONoMessage, (int)arg, 
1574                                         sizeof(p->RIONoMessage) )==COPYFAIL ) {
1575                                         rio_dprintk (RIO_DEBUG_CTRL, "RIO_WHAT_MESG: Bad copy to user space\n");
1576                                         p->RIOError.Error = COPYOUT_FAILED;
1577                                         return -EFAULT;
1578                                 }
1579                                 return 0;
1580
1581                         case RIO_MEM_DUMP :
1582                                 if (copyin((int)arg, (caddr_t)&SubCmd, 
1583                                                 sizeof(struct SubCmdStruct)) == COPYFAIL) {
1584                                          p->RIOError.Error = COPYIN_FAILED;
1585                                          return -EFAULT;
1586                                 }
1587                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_MEM_DUMP host %d rup %d addr %x\n", 
1588                                                 SubCmd.Host, SubCmd.Rup, SubCmd.Addr);
1589
1590                                 if (SubCmd.Rup >= MAX_RUP+LINKS_PER_UNIT ) {
1591                                          p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1592                                          return -EINVAL;
1593                                 }
1594
1595                                 if (SubCmd.Host >= p->RIONumHosts ) {
1596                                          p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1597                                          return -EINVAL;
1598                                 }
1599
1600                                 port = p->RIOHosts[SubCmd.Host].
1601                                                                 UnixRups[SubCmd.Rup].BaseSysPort;
1602
1603                                 PortP = p->RIOPortp[port];
1604
1605                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1606
1607                                 if ( RIOPreemptiveCmd(p,  PortP, MEMDUMP ) == RIO_FAIL ) {
1608                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_MEM_DUMP failed\n");
1609                                          rio_spin_unlock_irqrestore( &PortP->portSem , flags);
1610                                          return -EBUSY;
1611                                 }
1612                                 else
1613                                          PortP->State |= RIO_BUSY;
1614
1615                                 rio_spin_unlock_irqrestore( &PortP->portSem , flags);
1616                                 if ( copyout( (caddr_t)p->RIOMemDump, (int)arg, 
1617                                                         MEMDUMP_SIZE) == COPYFAIL ) {
1618                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_MEM_DUMP copy failed\n");
1619                                          p->RIOError.Error = COPYOUT_FAILED;
1620                                          return -EFAULT;
1621                                 }
1622                                 return 0;
1623
1624                         case RIO_TICK:
1625                                 if ((int)arg < 0 || (int)arg >= p->RIONumHosts)
1626                                          return -EINVAL;
1627                                 rio_dprintk (RIO_DEBUG_CTRL, "Set interrupt for host %d\n", (int)arg);
1628                                 WBYTE(p->RIOHosts[(int)arg].SetInt , 0xff);
1629                                 return 0;
1630
1631                         case RIO_TOCK:
1632                                 if ((int)arg < 0 || (int)arg >= p->RIONumHosts)
1633                                          return -EINVAL;
1634                                 rio_dprintk (RIO_DEBUG_CTRL, "Clear interrupt for host %d\n", (int)arg);
1635                                 WBYTE((p->RIOHosts[(int)arg].ResetInt) , 0xff);
1636                                 return 0;
1637
1638                         case RIO_READ_CHECK:
1639                                 /* Check reads for pkts with data[0] the same */
1640                                 p->RIOReadCheck = !p->RIOReadCheck;
1641                                 if (copyout((caddr_t)&p->RIOReadCheck,(int)arg,
1642                                                         sizeof(uint))== COPYFAIL) {
1643                                          p->RIOError.Error = COPYOUT_FAILED;
1644                                          return -EFAULT;
1645                                 }
1646                                 return 0;
1647
1648                         case RIO_READ_REGISTER :
1649                                 if (copyin((int)arg, (caddr_t)&SubCmd, 
1650                                                         sizeof(struct SubCmdStruct)) == COPYFAIL) {
1651                                          p->RIOError.Error = COPYIN_FAILED;
1652                                          return -EFAULT;
1653                                 }
1654                                 rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_REGISTER host %d rup %d port %d reg %x\n", 
1655                                                 SubCmd.Host, SubCmd.Rup, SubCmd.Port, SubCmd.Addr);
1656
1657                                 if (SubCmd.Port > 511) {
1658                                          rio_dprintk (RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", 
1659                                                                 SubCmd.Port);
1660                                          p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1661                                          return -EINVAL;
1662                                 }
1663
1664                                 if (SubCmd.Rup >= MAX_RUP+LINKS_PER_UNIT ) {
1665                                          p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1666                                          return -EINVAL;
1667                                 }
1668
1669                                 if (SubCmd.Host >= p->RIONumHosts ) {
1670                                          p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1671                                          return -EINVAL;
1672                                 }
1673
1674                                 port = p->RIOHosts[SubCmd.Host].
1675                                                 UnixRups[SubCmd.Rup].BaseSysPort + SubCmd.Port;
1676                                 PortP = p->RIOPortp[port];
1677
1678                                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1679
1680                                 if (RIOPreemptiveCmd(p, PortP, READ_REGISTER) == RIO_FAIL) {
1681                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_REGISTER failed\n");
1682                                          rio_spin_unlock_irqrestore( &PortP->portSem , flags);
1683                                          return -EBUSY;
1684                                 }
1685                                 else
1686                                          PortP->State |= RIO_BUSY;
1687
1688                                 rio_spin_unlock_irqrestore( &PortP->portSem , flags);
1689                                 if (copyout((caddr_t)&p->CdRegister, (int)arg, 
1690                                                         sizeof(uint)) == COPYFAIL ) {
1691                                          rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_REGISTER copy failed\n");
1692                                          p->RIOError.Error = COPYOUT_FAILED;
1693                                          return -EFAULT;
1694                                 }
1695                                 return 0;
1696                                 /*
1697                                 ** rio_make_dev: given port number (0-511) ORed with port type
1698                                 ** (RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT) return dev_t
1699                                 ** value to pass to mknod to create the correct device node.
1700                                 */
1701                         case RIO_MAKE_DEV:
1702                                 {
1703                                         uint port = (uint)arg & RIO_MODEM_MASK;
1704
1705                                         switch ( (uint)arg & RIO_DEV_MASK ) {
1706                                                 case RIO_DEV_DIRECT:
1707                                                         arg = (caddr_t)drv_makedev(MAJOR(dev), port);
1708                                                         rio_dprintk (RIO_DEBUG_CTRL, "Makedev direct 0x%x is 0x%x\n",port, (int)arg);
1709                                                         return (int)arg;
1710                                                 case RIO_DEV_MODEM:
1711                                                         arg =  (caddr_t)drv_makedev(MAJOR(dev), (port|RIO_MODEM_BIT) );
1712                                                         rio_dprintk (RIO_DEBUG_CTRL, "Makedev modem 0x%x is 0x%x\n",port, (int)arg);
1713                                                         return (int)arg;
1714                                                 case RIO_DEV_XPRINT:
1715                                                         arg = (caddr_t)drv_makedev(MAJOR(dev), port);
1716                                                         rio_dprintk (RIO_DEBUG_CTRL, "Makedev printer 0x%x is 0x%x\n",port, (int)arg);
1717                                                         return (int)arg;
1718                                         }
1719                                         rio_dprintk (RIO_DEBUG_CTRL, "MAKE Device is called\n");
1720                                         return -EINVAL;
1721                                 }
1722                                 /*
1723                                 ** rio_minor: given a dev_t from a stat() call, return
1724                                 ** the port number (0-511) ORed with the port type
1725                                 ** ( RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT )
1726                                 */
1727                         case RIO_MINOR:
1728                                 {
1729                                         dev_t dv;
1730                                         int mino;
1731
1732                                         dv = (dev_t)((int)arg);
1733                                         mino = RIO_UNMODEM(dv);
1734
1735                                         if ( RIO_ISMODEM(dv) ) {
1736                                                 rio_dprintk (RIO_DEBUG_CTRL, "Minor for device 0x%x: modem %d\n", dv, mino);
1737                                                 arg = (caddr_t)(mino | RIO_DEV_MODEM);
1738                                         }
1739                                         else {
1740                                                 rio_dprintk (RIO_DEBUG_CTRL, "Minor for device 0x%x: direct %d\n", dv, mino);
1741                                                 arg = (caddr_t)(mino | RIO_DEV_DIRECT);
1742                                         }
1743                                         return (int)arg;
1744                                 }
1745         }
1746         rio_dprintk (RIO_DEBUG_CTRL, "INVALID DAEMON IOCTL 0x%x\n",cmd);
1747         p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
1748
1749         func_exit ();
1750         return -EINVAL;
1751 }
1752
1753 /*
1754 ** Pre-emptive commands go on RUPs and are only one byte long.
1755 */
1756 int
1757 RIOPreemptiveCmd(p, PortP, Cmd)
1758 struct rio_info *       p;
1759 struct Port *PortP;
1760 uchar Cmd;
1761 {
1762         struct CmdBlk *CmdBlkP;
1763         struct PktCmd_M *PktCmdP;
1764         int Ret;
1765         ushort rup;
1766         int port;
1767
1768 #ifdef CHECK
1769         CheckPortP( PortP );
1770 #endif
1771
1772         if ( PortP->State & RIO_DELETED ) {
1773                 rio_dprintk (RIO_DEBUG_CTRL, "Preemptive command to deleted RTA ignored\n");
1774                 return RIO_FAIL;
1775         }
1776
1777         if (((int)((char)PortP->InUse) == -1) || ! (CmdBlkP = RIOGetCmdBlk()) ) {
1778                 rio_dprintk (RIO_DEBUG_CTRL, "Cannot allocate command block for command %d on port %d\n",
1779                        Cmd, PortP->PortNum);
1780                 return RIO_FAIL;
1781         }
1782
1783         rio_dprintk (RIO_DEBUG_CTRL, "Command blk 0x%x - InUse now %d\n", 
1784                (int)CmdBlkP,PortP->InUse);
1785
1786         PktCmdP = (struct PktCmd_M *)&CmdBlkP->Packet.data[0];
1787
1788         CmdBlkP->Packet.src_unit  = 0;
1789         if (PortP->SecondBlock)
1790                 rup = PortP->ID2;
1791         else
1792                 rup = PortP->RupNum;
1793         CmdBlkP->Packet.dest_unit = rup;
1794         CmdBlkP->Packet.src_port  = COMMAND_RUP;
1795         CmdBlkP->Packet.dest_port = COMMAND_RUP;
1796         CmdBlkP->Packet.len       = PKT_CMD_BIT | 2;
1797         CmdBlkP->PostFuncP      = RIOUnUse;
1798         CmdBlkP->PostArg        = (int)PortP;
1799         PktCmdP->Command        = Cmd;
1800         port                            = PortP->HostPort % (ushort)PORTS_PER_RTA;
1801         /*
1802         ** Index ports 8-15 for 2nd block of 16 port RTA.
1803         */
1804         if (PortP->SecondBlock)
1805                 port += (ushort) PORTS_PER_RTA;
1806         PktCmdP->PhbNum    = port;
1807
1808         switch ( Cmd ) {
1809                 case MEMDUMP:
1810                         rio_dprintk (RIO_DEBUG_CTRL, "Queue MEMDUMP command blk 0x%x (addr 0x%x)\n",
1811                                (int)CmdBlkP, (int)SubCmd.Addr);
1812                         PktCmdP->SubCommand             = MEMDUMP;
1813                         PktCmdP->SubAddr                = SubCmd.Addr;
1814                         break;
1815                 case FCLOSE:
1816                         rio_dprintk (RIO_DEBUG_CTRL, "Queue FCLOSE command blk 0x%x\n",(int)CmdBlkP);
1817                         break;
1818                 case READ_REGISTER:
1819                         rio_dprintk (RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) command blk 0x%x\n",
1820                                 (int)SubCmd.Addr, (int)CmdBlkP);
1821                         PktCmdP->SubCommand             = READ_REGISTER;
1822                         PktCmdP->SubAddr                = SubCmd.Addr;
1823                         break;
1824                 case RESUME:
1825                         rio_dprintk (RIO_DEBUG_CTRL, "Queue RESUME command blk 0x%x\n",(int)CmdBlkP);
1826                         break;
1827                 case RFLUSH:
1828                         rio_dprintk (RIO_DEBUG_CTRL, "Queue RFLUSH command blk 0x%x\n",(int)CmdBlkP);
1829                         CmdBlkP->PostFuncP = RIORFlushEnable;
1830                         break;
1831                 case SUSPEND:
1832                         rio_dprintk (RIO_DEBUG_CTRL, "Queue SUSPEND command blk 0x%x\n",(int)CmdBlkP);
1833                         break;
1834
1835                 case MGET :
1836                         rio_dprintk (RIO_DEBUG_CTRL, "Queue MGET command blk 0x%x\n", (int)CmdBlkP);
1837                         break;
1838
1839                 case MSET :
1840                 case MBIC :
1841                 case MBIS :
1842                         CmdBlkP->Packet.data[4] = (char) PortP->ModemLines;
1843                         rio_dprintk (RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command blk 0x%x\n", (int)CmdBlkP);
1844                         break;
1845
1846                 case WFLUSH:
1847                         /*
1848                         ** If we have queued up the maximum number of Write flushes
1849                         ** allowed then we should not bother sending any more to the
1850                         ** RTA.
1851                         */
1852                         if ((int)((char)PortP->WflushFlag) == (int)-1) {
1853                                 rio_dprintk (RIO_DEBUG_CTRL, "Trashed WFLUSH, WflushFlag about to wrap!");
1854                                 RIOFreeCmdBlk(CmdBlkP);
1855                                 return(RIO_FAIL);
1856                         } else {
1857                                 rio_dprintk (RIO_DEBUG_CTRL, "Queue WFLUSH command blk 0x%x\n",
1858                                        (int)CmdBlkP);
1859                                 CmdBlkP->PostFuncP = RIOWFlushMark;
1860                         }
1861                         break;
1862         }
1863
1864         PortP->InUse++;
1865
1866         Ret = RIOQueueCmdBlk( PortP->HostP, rup, CmdBlkP );
1867
1868         return Ret;
1869 }