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