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/uaccess.h>
  44
  45 #include <linux/termios.h>
  46 #include <linux/serial.h>
  47
  48 #include <linux/generic_serial.h>
  49
  50
  51 #include "linux_compat.h"
  52 #include "rio_linux.h"
  53 #include "pkt.h"
  54 #include "daemon.h"
  55 #include "rio.h"
  56 #include "riospace.h"
  57 #include "cmdpkt.h"
  58 #include "map.h"
  59 #include "rup.h"
  60 #include "port.h"
  61 #include "riodrvr.h"
  62 #include "rioinfo.h"
  63 #include "func.h"
  64 #include "errors.h"
  65 #include "pci.h"
  66
  67 #include "parmmap.h"
  68 #include "unixrup.h"
  69 #include "board.h"
  70 #include "host.h"
  71 #include "phb.h"
  72 #include "link.h"
  73 #include "cmdblk.h"
  74 #include "route.h"
  75 #include "cirrus.h"
  76 #include "rioioctl.h"
  77
  78
  79 static struct LpbReq LpbReq;
  80 static struct RupReq RupReq;
  81 static struct PortReq PortReq;
  82 static struct HostReq HostReq;  /* oh really?  global?  and no locking? */
  83 static struct HostDpRam HostDpRam;
  84 static struct DebugCtrl DebugCtrl;
  85 static struct Map MapEnt;
  86 static struct PortSetup PortSetup;
  87 static struct DownLoad DownLoad;
  88 static struct SendPack SendPack;
  89 /* static struct StreamInfo     StreamInfo; */
  90 /* static char modemtable[RIO_PORTS]; */
  91 static struct SpecialRupCmd SpecialRupCmd;
  92 static struct PortParams PortParams;
  93 static struct portStats portStats;
  94
  95 static struct SubCmdStruct {
  96         ushort Host;
  97         ushort Rup;
  98         ushort Port;
  99         ushort Addr;
 100 } SubCmd;
 101
 102 struct PortTty {
 103         uint port;
 104         struct ttystatics Tty;
 105 };
 106
 107 static struct PortTty PortTty;
 108 typedef struct ttystatics TERMIO;
 109
 110 /*
 111 ** This table is used when the config.rio downloads bin code to the
 112 ** driver. We index the table using the product code, 0-F, and call
 113 ** the function pointed to by the entry, passing the information
 114 ** about the boot.
 115 ** The RIOBootCodeUNKNOWN entry is there to politely tell the calling
 116 ** process to bog off.
 117 */
 118 static int
 119  (*RIOBootTable[MAX_PRODUCT]) (struct rio_info *, struct DownLoad *) = {
 120                                         /* 0 */ RIOBootCodeHOST,
 121                                         /* Host Card */
 122                                         /* 1 */ RIOBootCodeRTA,
 123                                         /* RTA */
 124 };
 125
 126 #define drv_makedev(maj, min) ((((uint) maj & 0xff) << 8) | ((uint) min & 0xff))
 127
 128 static int copy_from_io(void __user *to, void __iomem *from, size_t size)
 129 {
 130         void *buf = kmalloc(size, GFP_KERNEL);
 131         int res = -ENOMEM;
 132         if (buf) {
 133                 rio_memcpy_fromio(buf, from, size);
 134                 res = copy_to_user(to, buf, size);
 135                 kfree(buf);
 136         }
 137         return res;
 138 }
 139
 140 int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su)
 141 {
 142         uint Host;              /* leave me unsigned! */
 143         uint port;              /* and me! */
 144         struct Host *HostP;
 145         ushort loop;
 146         int Entry;
 147         struct Port *PortP;
 148         struct PKT __iomem *PacketP;
 149         int retval = 0;
 150         unsigned long flags;
 151         void __user *argp = (void __user *)arg;
 152
 153         func_enter();
 154
 155         /* Confuse the compiler to think that we've initialized these */
 156         Host = 0;
 157         PortP = NULL;
 158
 159         rio_dprintk(RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: %p\n", cmd, argp);
 160
 161         switch (cmd) {
 162                 /*
 163                  ** RIO_SET_TIMER
 164                  **
 165                  ** Change the value of the host card interrupt timer.
 166                  ** If the host card number is -1 then all host cards are changed
 167                  ** otherwise just the specified host card will be changed.
 168                  */
 169         case RIO_SET_TIMER:
 170                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_TIMER to %ldms\n", arg);
 171                 {
 172                         int host, value;
 173                         host = (arg >> 16) & 0x0000FFFF;
 174                         value = arg & 0x0000ffff;
 175                         if (host == -1) {
 176                                 for (host = 0; host < p->RIONumHosts; host++) {
 177                                         if (p->RIOHosts[host].Flags == RC_RUNNING) {
 178                                                 writew(value, &p->RIOHosts[host].ParmMapP->timer);
 179                                         }
 180                                 }
 181                         } else if (host >= p->RIONumHosts) {
 182                                 return -EINVAL;
 183                         } else {
 184                                 if (p->RIOHosts[host].Flags == RC_RUNNING) {
 185                                         writew(value, &p->RIOHosts[host].ParmMapP->timer);
 186                                 }
 187                         }
 188                 }
 189                 return 0;
 190
 191         case RIO_FOAD_RTA:
 192                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_FOAD_RTA\n");
 193                 return RIOCommandRta(p, arg, RIOFoadRta);
 194
 195         case RIO_ZOMBIE_RTA:
 196                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ZOMBIE_RTA\n");
 197                 return RIOCommandRta(p, arg, RIOZombieRta);
 198
 199         case RIO_IDENTIFY_RTA:
 200                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_IDENTIFY_RTA\n");
 201                 return RIOIdentifyRta(p, argp);
 202
 203         case RIO_KILL_NEIGHBOUR:
 204                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_KILL_NEIGHBOUR\n");
 205                 return RIOKillNeighbour(p, argp);
 206
 207         case SPECIAL_RUP_CMD:
 208                 {
 209                         struct CmdBlk *CmdBlkP;
 210
 211                         rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD\n");
 212                         if (copy_from_user(&SpecialRupCmd, argp, sizeof(SpecialRupCmd))) {
 213                                 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD copy failed\n");
 214                                 p->RIOError.Error = COPYIN_FAILED;
 215                                 return -EFAULT;
 216                         }
 217                         CmdBlkP = RIOGetCmdBlk();
 218                         if (!CmdBlkP) {
 219                                 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD GetCmdBlk failed\n");
 220                                 return -ENXIO;
 221                         }
 222                         CmdBlkP->Packet = SpecialRupCmd.Packet;
 223                         if (SpecialRupCmd.Host >= p->RIONumHosts)
 224                                 SpecialRupCmd.Host = 0;
 225                         rio_dprintk(RIO_DEBUG_CTRL, "Queue special rup command for host %d rup %d\n", SpecialRupCmd.Host, SpecialRupCmd.RupNum);
 226                         if (RIOQueueCmdBlk(&p->RIOHosts[SpecialRupCmd.Host], SpecialRupCmd.RupNum, CmdBlkP) == RIO_FAIL) {
 227                                 printk(KERN_WARNING "rio: FAILED TO QUEUE SPECIAL RUP COMMAND\n");
 228                         }
 229                         return 0;
 230                 }
 231
 232         case RIO_DEBUG_MEM:
 233                 return -EPERM;
 234
 235         case RIO_ALL_MODEM:
 236                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ALL_MODEM\n");
 237                 p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
 238                 return -EINVAL;
 239
 240         case RIO_GET_TABLE:
 241                 /*
 242                  ** Read the routing table from the device driver to user space
 243                  */
 244                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE\n");
 245
 246                 if ((retval = RIOApel(p)) != 0)
 247                         return retval;
 248
 249                 if (copy_to_user(argp, p->RIOConnectTable, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
 250                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE copy failed\n");
 251                         p->RIOError.Error = COPYOUT_FAILED;
 252                         return -EFAULT;
 253                 }
 254
 255                 {
 256                         int entry;
 257                         rio_dprintk(RIO_DEBUG_CTRL, "*****\nMAP ENTRIES\n");
 258                         for (entry = 0; entry < TOTAL_MAP_ENTRIES; entry++) {
 259                                 if ((p->RIOConnectTable[entry].ID == 0) && (p->RIOConnectTable[entry].HostUniqueNum == 0) && (p->RIOConnectTable[entry].RtaUniqueNum == 0))
 260                                         continue;
 261
 262                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum);
 263                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum);
 264                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID);
 265                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2);
 266                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Flags = 0x%x\n", entry, (int) p->RIOConnectTable[entry].Flags);
 267                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.SysPort = 0x%x\n", entry, (int) p->RIOConnectTable[entry].SysPort);
 268                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Unit);
 269                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Link);
 270                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Unit);
 271                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Link);
 272                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Unit);
 273                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Link);
 274                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[3].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Unit);
 275                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[4].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Link);
 276                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name);
 277                         }
 278                         rio_dprintk(RIO_DEBUG_CTRL, "*****\nEND MAP ENTRIES\n");
 279                 }
 280                 p->RIOQuickCheck = NOT_CHANGED; /* a table has been gotten */
 281                 return 0;
 282
 283         case RIO_PUT_TABLE:
 284                 /*
 285                  ** Write the routing table to the device driver from user space
 286                  */
 287                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE\n");
 288
 289                 if (!su) {
 290                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE !Root\n");
 291                         p->RIOError.Error = NOT_SUPER_USER;
 292                         return -EPERM;
 293                 }
 294                 if (copy_from_user(&p->RIOConnectTable[0], argp, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
 295                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE copy failed\n");
 296                         p->RIOError.Error = COPYIN_FAILED;
 297                         return -EFAULT;
 298                 }
 299 /*
 300 ***********************************
 301                                 {
 302                                         int entry;
 303                                         rio_dprint(RIO_DEBUG_CTRL,  ("*****\nMAP ENTRIES\n") );
 304                                         for ( entry=0; entry<TOTAL_MAP_ENTRIES; entry++ )
 305                                         {
 306                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum ) );
 307                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum ) );
 308                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID ) );
 309                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2 ) );
 310                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Flags = 0x%x\n", entry, p->RIOConnectTable[entry].Flags ) );
 311                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.SysPort = 0x%x\n", entry, p->RIOConnectTable[entry].SysPort ) );
 312                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[0].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Unit ) );
 313                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[0].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Link ) );
 314                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[1].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Unit ) );
 315                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[1].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Link ) );
 316                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[2].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Unit ) );
 317                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[2].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Link ) );
 318                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[3].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Unit ) );
 319                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[4].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Link ) );
 320                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name ) );
 321                                         }
 322                                         rio_dprint(RIO_DEBUG_CTRL,  ("*****\nEND MAP ENTRIES\n") );
 323                                 }
 324 ***********************************
 325 */
 326                 return RIONewTable(p);
 327
 328         case RIO_GET_BINDINGS:
 329                 /*
 330                  ** Send bindings table, containing unique numbers of RTAs owned
 331                  ** by this system to user space
 332                  */
 333                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS\n");
 334
 335                 if (!su) {
 336                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS !Root\n");
 337                         p->RIOError.Error = NOT_SUPER_USER;
 338                         return -EPERM;
 339                 }
 340                 if (copy_to_user(argp, p->RIOBindTab, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
 341                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS copy failed\n");
 342                         p->RIOError.Error = COPYOUT_FAILED;
 343                         return -EFAULT;
 344                 }
 345                 return 0;
 346
 347         case RIO_PUT_BINDINGS:
 348                 /*
 349                  ** Receive a bindings table, containing unique numbers of RTAs owned
 350                  ** by this system
 351                  */
 352                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS\n");
 353
 354                 if (!su) {
 355                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS !Root\n");
 356                         p->RIOError.Error = NOT_SUPER_USER;
 357                         return -EPERM;
 358                 }
 359                 if (copy_from_user(&p->RIOBindTab[0], argp, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
 360                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS copy failed\n");
 361                         p->RIOError.Error = COPYIN_FAILED;
 362                         return -EFAULT;
 363                 }
 364                 return 0;
 365
 366         case RIO_BIND_RTA:
 367                 {
 368                         int EmptySlot = -1;
 369                         /*
 370                          ** Bind this RTA to host, so that it will be booted by
 371                          ** host in 'boot owned RTAs' mode.
 372                          */
 373                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA\n");
 374
 375                         if (!su) {
 376                                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA !Root\n");
 377                                 p->RIOError.Error = NOT_SUPER_USER;
 378                                 return -EPERM;
 379                         }
 380                         for (Entry = 0; Entry < MAX_RTA_BINDINGS; Entry++) {
 381                                 if ((EmptySlot == -1) && (p->RIOBindTab[Entry] == 0L))
 382                                         EmptySlot = Entry;
 383                                 else if (p->RIOBindTab[Entry] == arg) {
 384                                         /*
 385                                          ** Already exists - delete
 386                                          */
 387                                         p->RIOBindTab[Entry] = 0L;
 388                                         rio_dprintk(RIO_DEBUG_CTRL, "Removing Rta %ld from p->RIOBindTab\n", arg);
 389                                         return 0;
 390                                 }
 391                         }
 392                         /*
 393                          ** Dosen't exist - add
 394                          */
 395                         if (EmptySlot != -1) {
 396                                 p->RIOBindTab[EmptySlot] = arg;
 397                                 rio_dprintk(RIO_DEBUG_CTRL, "Adding Rta %lx to p->RIOBindTab\n", arg);
 398                         } else {
 399                                 rio_dprintk(RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %lx not added\n", arg);
 400                                 return -ENOMEM;
 401                         }
 402                         return 0;
 403                 }
 404
 405         case RIO_RESUME:
 406                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME\n");
 407                 port = arg;
 408                 if ((port < 0) || (port > 511)) {
 409                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Bad port number %d\n", port);
 410                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 411                         return -EINVAL;
 412                 }
 413                 PortP = p->RIOPortp[port];
 414                 if (!PortP->Mapped) {
 415                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not mapped\n", port);
 416                         p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
 417                         return -EINVAL;
 418                 }
 419                 if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) {
 420                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not open\n", port);
 421                         return -EINVAL;
 422                 }
 423
 424                 rio_spin_lock_irqsave(&PortP->portSem, flags);
 425                 if (RIOPreemptiveCmd(p, (p->RIOPortp[port]), RESUME) == RIO_FAIL) {
 426                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME failed\n");
 427                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 428                         return -EBUSY;
 429                 } else {
 430                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d resumed\n", port);
 431                         PortP->State |= RIO_BUSY;
 432                 }
 433                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 434                 return retval;
 435
 436         case RIO_ASSIGN_RTA:
 437                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA\n");
 438                 if (!su) {
 439                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA !Root\n");
 440                         p->RIOError.Error = NOT_SUPER_USER;
 441                         return -EPERM;
 442                 }
 443                 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
 444                         rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
 445                         p->RIOError.Error = COPYIN_FAILED;
 446                         return -EFAULT;
 447                 }
 448                 return RIOAssignRta(p, &MapEnt);
 449
 450         case RIO_CHANGE_NAME:
 451                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME\n");
 452                 if (!su) {
 453                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME !Root\n");
 454                         p->RIOError.Error = NOT_SUPER_USER;
 455                         return -EPERM;
 456                 }
 457                 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
 458                         rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
 459                         p->RIOError.Error = COPYIN_FAILED;
 460                         return -EFAULT;
 461                 }
 462                 return RIOChangeName(p, &MapEnt);
 463
 464         case RIO_DELETE_RTA:
 465                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA\n");
 466                 if (!su) {
 467                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA !Root\n");
 468                         p->RIOError.Error = NOT_SUPER_USER;
 469                         return -EPERM;
 470                 }
 471                 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
 472                         rio_dprintk(RIO_DEBUG_CTRL, "Copy from data space failed\n");
 473                         p->RIOError.Error = COPYIN_FAILED;
 474                         return -EFAULT;
 475                 }
 476                 return RIODeleteRta(p, &MapEnt);
 477
 478         case RIO_QUICK_CHECK:
 479                 if (copy_to_user(argp, &p->RIORtaDisCons, sizeof(unsigned int))) {
 480                         p->RIOError.Error = COPYOUT_FAILED;
 481                         return -EFAULT;
 482                 }
 483                 return 0;
 484
 485         case RIO_LAST_ERROR:
 486                 if (copy_to_user(argp, &p->RIOError, sizeof(struct Error)))
 487                         return -EFAULT;
 488                 return 0;
 489
 490         case RIO_GET_LOG:
 491                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_LOG\n");
 492                 return -EINVAL;
 493
 494         case RIO_GET_MODTYPE:
 495                 if (copy_from_user(&port, argp, sizeof(unsigned int))) {
 496                         p->RIOError.Error = COPYIN_FAILED;
 497                         return -EFAULT;
 498                 }
 499                 rio_dprintk(RIO_DEBUG_CTRL, "Get module type for port %d\n", port);
 500                 if (port < 0 || port > 511) {
 501                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Bad port number %d\n", port);
 502                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 503                         return -EINVAL;
 504                 }
 505                 PortP = (p->RIOPortp[port]);
 506                 if (!PortP->Mapped) {
 507                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Port %d not mapped\n", port);
 508                         p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
 509                         return -EINVAL;
 510                 }
 511                 /*
 512                  ** Return module type of port
 513                  */
 514                 port = PortP->HostP->UnixRups[PortP->RupNum].ModTypes;
 515                 if (copy_to_user(argp, &port, sizeof(unsigned int))) {
 516                         p->RIOError.Error = COPYOUT_FAILED;
 517                         return -EFAULT;
 518                 }
 519                 return (0);
 520         case RIO_BLOCK_OPENS:
 521                 rio_dprintk(RIO_DEBUG_CTRL, "Opens block until booted\n");
 522                 for (Entry = 0; Entry < RIO_PORTS; Entry++) {
 523                         rio_spin_lock_irqsave(&PortP->portSem, flags);
 524                         p->RIOPortp[Entry]->WaitUntilBooted = 1;
 525                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 526                 }
 527                 return 0;
 528
 529         case RIO_SETUP_PORTS:
 530                 rio_dprintk(RIO_DEBUG_CTRL, "Setup ports\n");
 531                 if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
 532                         p->RIOError.Error = COPYIN_FAILED;
 533                         rio_dprintk(RIO_DEBUG_CTRL, "EFAULT");
 534                         return -EFAULT;
 535                 }
 536                 if (PortSetup.From > PortSetup.To || PortSetup.To >= RIO_PORTS) {
 537                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 538                         rio_dprintk(RIO_DEBUG_CTRL, "ENXIO");
 539                         return -ENXIO;
 540                 }
 541                 if (PortSetup.XpCps > p->RIOConf.MaxXpCps || PortSetup.XpCps < p->RIOConf.MinXpCps) {
 542                         p->RIOError.Error = XPRINT_CPS_OUT_OF_RANGE;
 543                         rio_dprintk(RIO_DEBUG_CTRL, "EINVAL");
 544                         return -EINVAL;
 545                 }
 546                 if (!p->RIOPortp) {
 547                         printk(KERN_ERR "rio: No p->RIOPortp array!\n");
 548                         rio_dprintk(RIO_DEBUG_CTRL, "No p->RIOPortp array!\n");
 549                         return -EIO;
 550                 }
 551                 rio_dprintk(RIO_DEBUG_CTRL, "entering loop (%d %d)!\n", PortSetup.From, PortSetup.To);
 552                 for (loop = PortSetup.From; loop <= PortSetup.To; loop++) {
 553                         rio_dprintk(RIO_DEBUG_CTRL, "in loop (%d)!\n", loop);
 554                 }
 555                 rio_dprintk(RIO_DEBUG_CTRL, "after loop (%d)!\n", loop);
 556                 rio_dprintk(RIO_DEBUG_CTRL, "Retval:%x\n", retval);
 557                 return retval;
 558
 559         case RIO_GET_PORT_SETUP:
 560                 rio_dprintk(RIO_DEBUG_CTRL, "Get port setup\n");
 561                 if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
 562                         p->RIOError.Error = COPYIN_FAILED;
 563                         return -EFAULT;
 564                 }
 565                 if (PortSetup.From >= RIO_PORTS) {
 566                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 567                         return -ENXIO;
 568                 }
 569
 570                 port = PortSetup.To = PortSetup.From;
 571                 PortSetup.IxAny = (p->RIOPortp[port]->Config & RIO_IXANY) ? 1 : 0;
 572                 PortSetup.IxOn = (p->RIOPortp[port]->Config & RIO_IXON) ? 1 : 0;
 573                 PortSetup.Drain = (p->RIOPortp[port]->Config & RIO_WAITDRAIN) ? 1 : 0;
 574                 PortSetup.Store = p->RIOPortp[port]->Store;
 575                 PortSetup.Lock = p->RIOPortp[port]->Lock;
 576                 PortSetup.XpCps = p->RIOPortp[port]->Xprint.XpCps;
 577                 memcpy(PortSetup.XpOn, p->RIOPortp[port]->Xprint.XpOn, MAX_XP_CTRL_LEN);
 578                 memcpy(PortSetup.XpOff, p->RIOPortp[port]->Xprint.XpOff, MAX_XP_CTRL_LEN);
 579                 PortSetup.XpOn[MAX_XP_CTRL_LEN - 1] = '\0';
 580                 PortSetup.XpOff[MAX_XP_CTRL_LEN - 1] = '\0';
 581
 582                 if (copy_to_user(argp, &PortSetup, sizeof(PortSetup))) {
 583                         p->RIOError.Error = COPYOUT_FAILED;
 584                         return -EFAULT;
 585                 }
 586                 return retval;
 587
 588         case RIO_GET_PORT_PARAMS:
 589                 rio_dprintk(RIO_DEBUG_CTRL, "Get port params\n");
 590                 if (copy_from_user(&PortParams, argp, sizeof(struct PortParams))) {
 591                         p->RIOError.Error = COPYIN_FAILED;
 592                         return -EFAULT;
 593                 }
 594                 if (PortParams.Port >= RIO_PORTS) {
 595                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 596                         return -ENXIO;
 597                 }
 598                 PortP = (p->RIOPortp[PortParams.Port]);
 599                 PortParams.Config = PortP->Config;
 600                 PortParams.State = PortP->State;
 601                 rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortParams.Port);
 602
 603                 if (copy_to_user(argp, &PortParams, sizeof(struct PortParams))) {
 604                         p->RIOError.Error = COPYOUT_FAILED;
 605                         return -EFAULT;
 606                 }
 607                 return retval;
 608
 609         case RIO_GET_PORT_TTY:
 610                 rio_dprintk(RIO_DEBUG_CTRL, "Get port tty\n");
 611                 if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
 612                         p->RIOError.Error = COPYIN_FAILED;
 613                         return -EFAULT;
 614                 }
 615                 if (PortTty.port >= RIO_PORTS) {
 616                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 617                         return -ENXIO;
 618                 }
 619
 620                 rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortTty.port);
 621                 PortP = (p->RIOPortp[PortTty.port]);
 622                 if (copy_to_user(argp, &PortTty, sizeof(struct PortTty))) {
 623                         p->RIOError.Error = COPYOUT_FAILED;
 624                         return -EFAULT;
 625                 }
 626                 return retval;
 627
 628         case RIO_SET_PORT_TTY:
 629                 if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
 630                         p->RIOError.Error = COPYIN_FAILED;
 631                         return -EFAULT;
 632                 }
 633                 rio_dprintk(RIO_DEBUG_CTRL, "Set port %d tty\n", PortTty.port);
 634                 if (PortTty.port >= (ushort) RIO_PORTS) {
 635                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 636                         return -ENXIO;
 637                 }
 638                 PortP = (p->RIOPortp[PortTty.port]);
 639                 RIOParam(PortP, CONFIG, PortP->State & RIO_MODEM, OK_TO_SLEEP);
 640                 return retval;
 641
 642         case RIO_SET_PORT_PARAMS:
 643                 rio_dprintk(RIO_DEBUG_CTRL, "Set port params\n");
 644                 if (copy_from_user(&PortParams, argp, sizeof(PortParams))) {
 645                         p->RIOError.Error = COPYIN_FAILED;
 646                         return -EFAULT;
 647                 }
 648                 if (PortParams.Port >= (ushort) RIO_PORTS) {
 649                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 650                         return -ENXIO;
 651                 }
 652                 PortP = (p->RIOPortp[PortParams.Port]);
 653                 rio_spin_lock_irqsave(&PortP->portSem, flags);
 654                 PortP->Config = PortParams.Config;
 655                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 656                 return retval;
 657
 658         case RIO_GET_PORT_STATS:
 659                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_PORT_STATS\n");
 660                 if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
 661                         p->RIOError.Error = COPYIN_FAILED;
 662                         return -EFAULT;
 663                 }
 664                 if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
 665                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 666                         return -ENXIO;
 667                 }
 668                 PortP = (p->RIOPortp[portStats.port]);
 669                 portStats.gather = PortP->statsGather;
 670                 portStats.txchars = PortP->txchars;
 671                 portStats.rxchars = PortP->rxchars;
 672                 portStats.opens = PortP->opens;
 673                 portStats.closes = PortP->closes;
 674                 portStats.ioctls = PortP->ioctls;
 675                 if (copy_to_user(argp, &portStats, sizeof(struct portStats))) {
 676                         p->RIOError.Error = COPYOUT_FAILED;
 677                         return -EFAULT;
 678                 }
 679                 return retval;
 680
 681         case RIO_RESET_PORT_STATS:
 682                 port = arg;
 683                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESET_PORT_STATS\n");
 684                 if (port >= RIO_PORTS) {
 685                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 686                         return -ENXIO;
 687                 }
 688                 PortP = (p->RIOPortp[port]);
 689                 rio_spin_lock_irqsave(&PortP->portSem, flags);
 690                 PortP->txchars = 0;
 691                 PortP->rxchars = 0;
 692                 PortP->opens = 0;
 693                 PortP->closes = 0;
 694                 PortP->ioctls = 0;
 695                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 696                 return retval;
 697
 698         case RIO_GATHER_PORT_STATS:
 699                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GATHER_PORT_STATS\n");
 700                 if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
 701                         p->RIOError.Error = COPYIN_FAILED;
 702                         return -EFAULT;
 703                 }
 704                 if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
 705                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 706                         return -ENXIO;
 707                 }
 708                 PortP = (p->RIOPortp[portStats.port]);
 709                 rio_spin_lock_irqsave(&PortP->portSem, flags);
 710                 PortP->statsGather = portStats.gather;
 711                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 712                 return retval;
 713
 714         case RIO_READ_CONFIG:
 715                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_CONFIG\n");
 716                 if (copy_to_user(argp, &p->RIOConf, sizeof(struct Conf))) {
 717                         p->RIOError.Error = COPYOUT_FAILED;
 718                         return -EFAULT;
 719                 }
 720                 return retval;
 721
 722         case RIO_SET_CONFIG:
 723                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_CONFIG\n");
 724                 if (!su) {
 725                         p->RIOError.Error = NOT_SUPER_USER;
 726                         return -EPERM;
 727                 }
 728                 if (copy_from_user(&p->RIOConf, argp, sizeof(struct Conf))) {
 729                         p->RIOError.Error = COPYIN_FAILED;
 730                         return -EFAULT;
 731                 }
 732                 /*
 733                  ** move a few value around
 734                  */
 735                 for (Host = 0; Host < p->RIONumHosts; Host++)
 736                         if ((p->RIOHosts[Host].Flags & RUN_STATE) == RC_RUNNING)
 737                                 writew(p->RIOConf.Timer, &p->RIOHosts[Host].ParmMapP->timer);
 738                 return retval;
 739
 740         case RIO_START_POLLER:
 741                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_START_POLLER\n");
 742                 return -EINVAL;
 743
 744         case RIO_STOP_POLLER:
 745                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_STOP_POLLER\n");
 746                 if (!su) {
 747                         p->RIOError.Error = NOT_SUPER_USER;
 748                         return -EPERM;
 749                 }
 750                 p->RIOPolling = NOT_POLLING;
 751                 return retval;
 752
 753         case RIO_SETDEBUG:
 754         case RIO_GETDEBUG:
 755                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG/RIO_GETDEBUG\n");
 756                 if (copy_from_user(&DebugCtrl, argp, sizeof(DebugCtrl))) {
 757                         p->RIOError.Error = COPYIN_FAILED;
 758                         return -EFAULT;
 759                 }
 760                 if (DebugCtrl.SysPort == NO_PORT) {
 761                         if (cmd == RIO_SETDEBUG) {
 762                                 if (!su) {
 763                                         p->RIOError.Error = NOT_SUPER_USER;
 764                                         return -EPERM;
 765                                 }
 766                                 p->rio_debug = DebugCtrl.Debug;
 767                                 p->RIODebugWait = DebugCtrl.Wait;
 768                                 rio_dprintk(RIO_DEBUG_CTRL, "Set global debug to 0x%x set wait to 0x%x\n", p->rio_debug, p->RIODebugWait);
 769                         } else {
 770                                 rio_dprintk(RIO_DEBUG_CTRL, "Get global debug 0x%x wait 0x%x\n", p->rio_debug, p->RIODebugWait);
 771                                 DebugCtrl.Debug = p->rio_debug;
 772                                 DebugCtrl.Wait = p->RIODebugWait;
 773                                 if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
 774                                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort);
 775                                         p->RIOError.Error = COPYOUT_FAILED;
 776                                         return -EFAULT;
 777                                 }
 778                         }
 779                 } else if (DebugCtrl.SysPort >= RIO_PORTS && DebugCtrl.SysPort != NO_PORT) {
 780                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort);
 781                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 782                         return -ENXIO;
 783                 } else if (cmd == RIO_SETDEBUG) {
 784                         if (!su) {
 785                                 p->RIOError.Error = NOT_SUPER_USER;
 786                                 return -EPERM;
 787                         }
 788                         rio_spin_lock_irqsave(&PortP->portSem, flags);
 789                         p->RIOPortp[DebugCtrl.SysPort]->Debug = DebugCtrl.Debug;
 790                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 791                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug);
 792                 } else {
 793                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug);
 794                         DebugCtrl.Debug = p->RIOPortp[DebugCtrl.SysPort]->Debug;
 795                         if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
 796                                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG: Bad copy to user space\n");
 797                                 p->RIOError.Error = COPYOUT_FAILED;
 798                                 return -EFAULT;
 799                         }
 800                 }
 801                 return retval;
 802
 803         case RIO_VERSID:
 804                 /*
 805                  ** Enquire about the release and version.
 806                  ** We return MAX_VERSION_LEN bytes, being a
 807                  ** textual null terminated string.
 808                  */
 809                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID\n");
 810                 if (copy_to_user(argp, RIOVersid(), sizeof(struct rioVersion))) {
 811                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID: Bad copy to user space (host=%d)\n", Host);
 812                         p->RIOError.Error = COPYOUT_FAILED;
 813                         return -EFAULT;
 814                 }
 815                 return retval;
 816
 817         case RIO_NUM_HOSTS:
 818                 /*
 819                  ** Enquire as to the number of hosts located
 820                  ** at init time.
 821                  */
 822                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS\n");
 823                 if (copy_to_user(argp, &p->RIONumHosts, sizeof(p->RIONumHosts))) {
 824                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS: Bad copy to user space\n");
 825                         p->RIOError.Error = COPYOUT_FAILED;
 826                         return -EFAULT;
 827                 }
 828                 return retval;
 829
 830         case RIO_HOST_FOAD:
 831                 /*
 832                  ** Kill host. This may not be in the final version...
 833                  */
 834                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD %ld\n", arg);
 835                 if (!su) {
 836                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD: Not super user\n");
 837                         p->RIOError.Error = NOT_SUPER_USER;
 838                         return -EPERM;
 839                 }
 840                 p->RIOHalted = 1;
 841                 p->RIOSystemUp = 0;
 842
 843                 for (Host = 0; Host < p->RIONumHosts; Host++) {
 844                         (void) RIOBoardTest(p->RIOHosts[Host].PaddrP, p->RIOHosts[Host].Caddr, p->RIOHosts[Host].Type, p->RIOHosts[Host].Slot);
 845                         memset(&p->RIOHosts[Host].Flags, 0, ((char *) &p->RIOHosts[Host].____end_marker____) - ((char *) &p->RIOHosts[Host].Flags));
 846                         p->RIOHosts[Host].Flags = RC_WAITING;
 847                 }
 848                 RIOFoadWakeup(p);
 849                 p->RIONumBootPkts = 0;
 850                 p->RIOBooting = 0;
 851                 printk("HEEEEELP!\n");
 852
 853                 for (loop = 0; loop < RIO_PORTS; loop++) {
 854                         spin_lock_init(&p->RIOPortp[loop]->portSem);
 855                         p->RIOPortp[loop]->InUse = NOT_INUSE;
 856                 }
 857
 858                 p->RIOSystemUp = 0;
 859                 return retval;
 860
 861         case RIO_DOWNLOAD:
 862                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD\n");
 863                 if (!su) {
 864                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Not super user\n");
 865                         p->RIOError.Error = NOT_SUPER_USER;
 866                         return -EPERM;
 867                 }
 868                 if (copy_from_user(&DownLoad, argp, sizeof(DownLoad))) {
 869                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Copy in from user space failed\n");
 870                         p->RIOError.Error = COPYIN_FAILED;
 871                         return -EFAULT;
 872                 }
 873                 rio_dprintk(RIO_DEBUG_CTRL, "Copied in download code for product code 0x%x\n", DownLoad.ProductCode);
 874
 875                 /*
 876                  ** It is important that the product code is an unsigned object!
 877                  */
 878                 if (DownLoad.ProductCode > MAX_PRODUCT) {
 879                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Bad product code %d passed\n", DownLoad.ProductCode);
 880                         p->RIOError.Error = NO_SUCH_PRODUCT;
 881                         return -ENXIO;
 882                 }
 883                 /*
 884                  ** do something!
 885                  */
 886                 retval = (*(RIOBootTable[DownLoad.ProductCode])) (p, &DownLoad);
 887                 /* <-- Panic */
 888                 p->RIOHalted = 0;
 889                 /*
 890                  ** and go back, content with a job well completed.
 891                  */
 892                 return retval;
 893
 894         case RIO_PARMS:
 895                 {
 896                         unsigned int host;
 897
 898                         if (copy_from_user(&host, argp, sizeof(host))) {
 899                                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
 900                                 p->RIOError.Error = COPYIN_FAILED;
 901                                 return -EFAULT;
 902                         }
 903                         /*
 904                          ** Fetch the parmmap
 905                          */
 906                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS\n");
 907                         if (copy_from_io(argp, p->RIOHosts[host].ParmMapP, sizeof(PARM_MAP))) {
 908                                 p->RIOError.Error = COPYOUT_FAILED;
 909                                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS: Copy out to user space failed\n");
 910                                 return -EFAULT;
 911                         }
 912                 }
 913                 return retval;
 914
 915         case RIO_HOST_REQ:
 916                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ\n");
 917                 if (copy_from_user(&HostReq, argp, sizeof(HostReq))) {
 918                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
 919                         p->RIOError.Error = COPYIN_FAILED;
 920                         return -EFAULT;
 921                 }
 922                 if (HostReq.HostNum >= p->RIONumHosts) {
 923                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
 924                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Illegal host number %d\n", HostReq.HostNum);
 925                         return -ENXIO;
 926                 }
 927                 rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostReq.HostNum);
 928
 929                 if (copy_to_user(HostReq.HostP, &p->RIOHosts[HostReq.HostNum], sizeof(struct Host))) {
 930                         p->RIOError.Error = COPYOUT_FAILED;
 931                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Bad copy to user space\n");
 932                         return -EFAULT;
 933                 }
 934                 return retval;
 935
 936         case RIO_HOST_DPRAM:
 937                 rio_dprintk(RIO_DEBUG_CTRL, "Request for DPRAM\n");
 938                 if (copy_from_user(&HostDpRam, argp, sizeof(HostDpRam))) {
 939                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Copy in from user space failed\n");
 940                         p->RIOError.Error = COPYIN_FAILED;
 941                         return -EFAULT;
 942                 }
 943                 if (HostDpRam.HostNum >= p->RIONumHosts) {
 944                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
 945                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Illegal host number %d\n", HostDpRam.HostNum);
 946                         return -ENXIO;
 947                 }
 948                 rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostDpRam.HostNum);
 949
 950                 if (p->RIOHosts[HostDpRam.HostNum].Type == RIO_PCI) {
 951                         int off;
 952                         /* It's hardware like this that really gets on my tits. */
 953                         static unsigned char copy[sizeof(struct DpRam)];
 954                         for (off = 0; off < sizeof(struct DpRam); off++)
 955                                 copy[off] = readb(p->RIOHosts[HostDpRam.HostNum].Caddr + off);
 956                         if (copy_to_user(HostDpRam.DpRamP, copy, sizeof(struct DpRam))) {
 957                                 p->RIOError.Error = COPYOUT_FAILED;
 958                                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
 959                                 return -EFAULT;
 960                         }
 961                 } else if (copy_from_io(HostDpRam.DpRamP, p->RIOHosts[HostDpRam.HostNum].Caddr, sizeof(struct DpRam))) {
 962                         p->RIOError.Error = COPYOUT_FAILED;
 963                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
 964                         return -EFAULT;
 965                 }
 966                 return retval;
 967
 968         case RIO_SET_BUSY:
 969                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY\n");
 970                 if (arg > 511) {
 971                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %ld\n", arg);
 972                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 973                         return -EINVAL;
 974                 }
 975                 rio_spin_lock_irqsave(&PortP->portSem, flags);
 976                 p->RIOPortp[arg]->State |= RIO_BUSY;
 977                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 978                 return retval;
 979
 980         case RIO_HOST_PORT:
 981                 /*
 982                  ** The daemon want port information
 983                  ** (probably for debug reasons)
 984                  */
 985                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT\n");
 986                 if (copy_from_user(&PortReq, argp, sizeof(PortReq))) {
 987                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Copy in from user space failed\n");
 988                         p->RIOError.Error = COPYIN_FAILED;
 989                         return -EFAULT;
 990                 }
 991
 992                 if (PortReq.SysPort >= RIO_PORTS) {     /* SysPort is unsigned */
 993                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Illegal port number %d\n", PortReq.SysPort);
 994                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 995                         return -ENXIO;
 996                 }
 997                 rio_dprintk(RIO_DEBUG_CTRL, "Request for port %d\n", PortReq.SysPort);
 998                 if (copy_to_user(PortReq.PortP, p->RIOPortp[PortReq.SysPort], sizeof(struct Port))) {
 999                         p->RIOError.Error = COPYOUT_FAILED;
1000                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Bad copy to user space\n");
1001                         return -EFAULT;
1002                 }
1003                 return retval;
1004
1005         case RIO_HOST_RUP:
1006                 /*
1007                  ** The daemon want rup information
1008                  ** (probably for debug reasons)
1009                  */
1010                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP\n");
1011                 if (copy_from_user(&RupReq, argp, sizeof(RupReq))) {
1012                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Copy in from user space failed\n");
1013                         p->RIOError.Error = COPYIN_FAILED;
1014                         return -EFAULT;
1015                 }
1016                 if (RupReq.HostNum >= p->RIONumHosts) { /* host is unsigned */
1017                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal host number %d\n", RupReq.HostNum);
1018                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1019                         return -ENXIO;
1020                 }
1021                 if (RupReq.RupNum >= MAX_RUP + LINKS_PER_UNIT) {        /* eek! */
1022                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal rup number %d\n", RupReq.RupNum);
1023                         p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1024                         return -EINVAL;
1025                 }
1026                 HostP = &p->RIOHosts[RupReq.HostNum];
1027
1028                 if ((HostP->Flags & RUN_STATE) != RC_RUNNING) {
1029                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Host %d not running\n", RupReq.HostNum);
1030                         p->RIOError.Error = HOST_NOT_RUNNING;
1031                         return -EIO;
1032                 }
1033                 rio_dprintk(RIO_DEBUG_CTRL, "Request for rup %d from host %d\n", RupReq.RupNum, RupReq.HostNum);
1034
1035                 if (copy_from_io(RupReq.RupP, HostP->UnixRups[RupReq.RupNum].RupP, sizeof(struct RUP))) {
1036                         p->RIOError.Error = COPYOUT_FAILED;
1037                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Bad copy to user space\n");
1038                         return -EFAULT;
1039                 }
1040                 return retval;
1041
1042         case RIO_HOST_LPB:
1043                 /*
1044                  ** The daemon want lpb information
1045                  ** (probably for debug reasons)
1046                  */
1047                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB\n");
1048                 if (copy_from_user(&LpbReq, argp, sizeof(LpbReq))) {
1049                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy from user space\n");
1050                         p->RIOError.Error = COPYIN_FAILED;
1051                         return -EFAULT;
1052                 }
1053                 if (LpbReq.Host >= p->RIONumHosts) {    /* host is unsigned */
1054                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal host number %d\n", LpbReq.Host);
1055                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1056                         return -ENXIO;
1057                 }
1058                 if (LpbReq.Link >= LINKS_PER_UNIT) {    /* eek! */
1059                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal link number %d\n", LpbReq.Link);
1060                         p->RIOError.Error = LINK_NUMBER_OUT_OF_RANGE;
1061                         return -EINVAL;
1062                 }
1063                 HostP = &p->RIOHosts[LpbReq.Host];
1064
1065                 if ((HostP->Flags & RUN_STATE) != RC_RUNNING) {
1066                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Host %d not running\n", LpbReq.Host);
1067                         p->RIOError.Error = HOST_NOT_RUNNING;
1068                         return -EIO;
1069                 }
1070                 rio_dprintk(RIO_DEBUG_CTRL, "Request for lpb %d from host %d\n", LpbReq.Link, LpbReq.Host);
1071
1072                 if (copy_from_io(LpbReq.LpbP, &HostP->LinkStrP[LpbReq.Link], sizeof(struct LPB))) {
1073                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy to user space\n");
1074                         p->RIOError.Error = COPYOUT_FAILED;
1075                         return -EFAULT;
1076                 }
1077                 return retval;
1078
1079                 /*
1080                  ** Here 3 IOCTL's that allow us to change the way in which
1081                  ** rio logs errors. send them just to syslog or send them
1082                  ** to both syslog and console or send them to just the console.
1083                  **
1084                  ** See RioStrBuf() in util.c for the other half.
1085                  */
1086         case RIO_SYSLOG_ONLY:
1087                 p->RIOPrintLogState = PRINT_TO_LOG;     /* Just syslog */
1088                 return 0;
1089
1090         case RIO_SYSLOG_CONS:
1091                 p->RIOPrintLogState = PRINT_TO_LOG_CONS;        /* syslog and console */
1092                 return 0;
1093
1094         case RIO_CONS_ONLY:
1095                 p->RIOPrintLogState = PRINT_TO_CONS;    /* Just console */
1096                 return 0;
1097
1098         case RIO_SIGNALS_ON:
1099                 if (p->RIOSignalProcess) {
1100                         p->RIOError.Error = SIGNALS_ALREADY_SET;
1101                         return -EBUSY;
1102                 }
1103                 /* FIXME: PID tracking */
1104                 p->RIOSignalProcess = current->pid;
1105                 p->RIOPrintDisabled = DONT_PRINT;
1106                 return retval;
1107
1108         case RIO_SIGNALS_OFF:
1109                 if (p->RIOSignalProcess != current->pid) {
1110                         p->RIOError.Error = NOT_RECEIVING_PROCESS;
1111                         return -EPERM;
1112                 }
1113                 rio_dprintk(RIO_DEBUG_CTRL, "Clear signal process to zero\n");
1114                 p->RIOSignalProcess = 0;
1115                 return retval;
1116
1117         case RIO_SET_BYTE_MODE:
1118                 for (Host = 0; Host < p->RIONumHosts; Host++)
1119                         if (p->RIOHosts[Host].Type == RIO_AT)
1120                                 p->RIOHosts[Host].Mode &= ~WORD_OPERATION;
1121                 return retval;
1122
1123         case RIO_SET_WORD_MODE:
1124                 for (Host = 0; Host < p->RIONumHosts; Host++)
1125                         if (p->RIOHosts[Host].Type == RIO_AT)
1126                                 p->RIOHosts[Host].Mode |= WORD_OPERATION;
1127                 return retval;
1128
1129         case RIO_SET_FAST_BUS:
1130                 for (Host = 0; Host < p->RIONumHosts; Host++)
1131                         if (p->RIOHosts[Host].Type == RIO_AT)
1132                                 p->RIOHosts[Host].Mode |= FAST_AT_BUS;
1133                 return retval;
1134
1135         case RIO_SET_SLOW_BUS:
1136                 for (Host = 0; Host < p->RIONumHosts; Host++)
1137                         if (p->RIOHosts[Host].Type == RIO_AT)
1138                                 p->RIOHosts[Host].Mode &= ~FAST_AT_BUS;
1139                 return retval;
1140
1141         case RIO_MAP_B50_TO_50:
1142         case RIO_MAP_B50_TO_57600:
1143         case RIO_MAP_B110_TO_110:
1144         case RIO_MAP_B110_TO_115200:
1145                 rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping\n");
1146                 port = arg;
1147                 if (port < 0 || port > 511) {
1148                         rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", port);
1149                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1150                         return -EINVAL;
1151                 }
1152                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1153                 switch (cmd) {
1154                 case RIO_MAP_B50_TO_50:
1155                         p->RIOPortp[port]->Config |= RIO_MAP_50_TO_50;
1156                         break;
1157                 case RIO_MAP_B50_TO_57600:
1158                         p->RIOPortp[port]->Config &= ~RIO_MAP_50_TO_50;
1159                         break;
1160                 case RIO_MAP_B110_TO_110:
1161                         p->RIOPortp[port]->Config |= RIO_MAP_110_TO_110;
1162                         break;
1163                 case RIO_MAP_B110_TO_115200:
1164                         p->RIOPortp[port]->Config &= ~RIO_MAP_110_TO_110;
1165                         break;
1166                 }
1167                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1168                 return retval;
1169
1170         case RIO_STREAM_INFO:
1171                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_STREAM_INFO\n");
1172                 return -EINVAL;
1173
1174         case RIO_SEND_PACKET:
1175                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET\n");
1176                 if (copy_from_user(&SendPack, argp, sizeof(SendPack))) {
1177                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET: Bad copy from user space\n");
1178                         p->RIOError.Error = COPYIN_FAILED;
1179                         return -EFAULT;
1180                 }
1181                 if (SendPack.PortNum >= 128) {
1182                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1183                         return -ENXIO;
1184                 }
1185
1186                 PortP = p->RIOPortp[SendPack.PortNum];
1187                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1188
1189                 if (!can_add_transmit(&PacketP, PortP)) {
1190                         p->RIOError.Error = UNIT_IS_IN_USE;
1191                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1192                         return -ENOSPC;
1193                 }
1194
1195                 for (loop = 0; loop < (ushort) (SendPack.Len & 127); loop++)
1196                         writeb(SendPack.Data[loop], &PacketP->data[loop]);
1197
1198                 writeb(SendPack.Len, &PacketP->len);
1199
1200                 add_transmit(PortP);
1201                 /*
1202                  ** Count characters transmitted for port statistics reporting
1203                  */
1204                 if (PortP->statsGather)
1205                         PortP->txchars += (SendPack.Len & 127);
1206                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1207                 return retval;
1208
1209         case RIO_NO_MESG:
1210                 if (su)
1211                         p->RIONoMessage = 1;
1212                 return su ? 0 : -EPERM;
1213
1214         case RIO_MESG:
1215                 if (su)
1216                         p->RIONoMessage = 0;
1217                 return su ? 0 : -EPERM;
1218
1219         case RIO_WHAT_MESG:
1220                 if (copy_to_user(argp, &p->RIONoMessage, sizeof(p->RIONoMessage))) {
1221                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_WHAT_MESG: Bad copy to user space\n");
1222                         p->RIOError.Error = COPYOUT_FAILED;
1223                         return -EFAULT;
1224                 }
1225                 return 0;
1226
1227         case RIO_MEM_DUMP:
1228                 if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
1229                         p->RIOError.Error = COPYIN_FAILED;
1230                         return -EFAULT;
1231                 }
1232                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP host %d rup %d addr %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Addr);
1233
1234                 if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
1235                         p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1236                         return -EINVAL;
1237                 }
1238
1239                 if (SubCmd.Host >= p->RIONumHosts) {
1240                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1241                         return -EINVAL;
1242                 }
1243
1244                 port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort;
1245
1246                 PortP = p->RIOPortp[port];
1247
1248                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1249
1250                 if (RIOPreemptiveCmd(p, PortP, MEMDUMP) == RIO_FAIL) {
1251                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP failed\n");
1252                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1253                         return -EBUSY;
1254                 } else
1255                         PortP->State |= RIO_BUSY;
1256
1257                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1258                 if (copy_to_user(argp, p->RIOMemDump, MEMDUMP_SIZE)) {
1259                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP copy failed\n");
1260                         p->RIOError.Error = COPYOUT_FAILED;
1261                         return -EFAULT;
1262                 }
1263                 return 0;
1264
1265         case RIO_TICK:
1266                 if (arg >= p->RIONumHosts)
1267                         return -EINVAL;
1268                 rio_dprintk(RIO_DEBUG_CTRL, "Set interrupt for host %ld\n", arg);
1269                 writeb(0xFF, &p->RIOHosts[arg].SetInt);
1270                 return 0;
1271
1272         case RIO_TOCK:
1273                 if (arg >= p->RIONumHosts)
1274                         return -EINVAL;
1275                 rio_dprintk(RIO_DEBUG_CTRL, "Clear interrupt for host %ld\n", arg);
1276                 writeb(0xFF, &p->RIOHosts[arg].ResetInt);
1277                 return 0;
1278
1279         case RIO_READ_CHECK:
1280                 /* Check reads for pkts with data[0] the same */
1281                 p->RIOReadCheck = !p->RIOReadCheck;
1282                 if (copy_to_user(argp, &p->RIOReadCheck, sizeof(unsigned int))) {
1283                         p->RIOError.Error = COPYOUT_FAILED;
1284                         return -EFAULT;
1285                 }
1286                 return 0;
1287
1288         case RIO_READ_REGISTER:
1289                 if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
1290                         p->RIOError.Error = COPYIN_FAILED;
1291                         return -EFAULT;
1292                 }
1293                 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);
1294
1295                 if (SubCmd.Port > 511) {
1296                         rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", SubCmd.Port);
1297                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1298                         return -EINVAL;
1299                 }
1300
1301                 if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
1302                         p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1303                         return -EINVAL;
1304                 }
1305
1306                 if (SubCmd.Host >= p->RIONumHosts) {
1307                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1308                         return -EINVAL;
1309                 }
1310
1311                 port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort + SubCmd.Port;
1312                 PortP = p->RIOPortp[port];
1313
1314                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1315
1316                 if (RIOPreemptiveCmd(p, PortP, READ_REGISTER) == RIO_FAIL) {
1317                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER failed\n");
1318                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1319                         return -EBUSY;
1320                 } else
1321                         PortP->State |= RIO_BUSY;
1322
1323                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1324                 if (copy_to_user(argp, &p->CdRegister, sizeof(unsigned int))) {
1325                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER copy failed\n");
1326                         p->RIOError.Error = COPYOUT_FAILED;
1327                         return -EFAULT;
1328                 }
1329                 return 0;
1330                 /*
1331                  ** rio_make_dev: given port number (0-511) ORed with port type
1332                  ** (RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT) return dev_t
1333                  ** value to pass to mknod to create the correct device node.
1334                  */
1335         case RIO_MAKE_DEV:
1336                 {
1337                         unsigned int port = arg & RIO_MODEM_MASK;
1338                         unsigned int ret;
1339
1340                         switch (arg & RIO_DEV_MASK) {
1341                         case RIO_DEV_DIRECT:
1342                                 ret = drv_makedev(MAJOR(dev), port);
1343                                 rio_dprintk(RIO_DEBUG_CTRL, "Makedev direct 0x%x is 0x%x\n", port, ret);
1344                                 return ret;
1345                         case RIO_DEV_MODEM:
1346                                 ret = drv_makedev(MAJOR(dev), (port | RIO_MODEM_BIT));
1347                                 rio_dprintk(RIO_DEBUG_CTRL, "Makedev modem 0x%x is 0x%x\n", port, ret);
1348                                 return ret;
1349                         case RIO_DEV_XPRINT:
1350                                 ret = drv_makedev(MAJOR(dev), port);
1351                                 rio_dprintk(RIO_DEBUG_CTRL, "Makedev printer 0x%x is 0x%x\n", port, ret);
1352                                 return ret;
1353                         }
1354                         rio_dprintk(RIO_DEBUG_CTRL, "MAKE Device is called\n");
1355                         return -EINVAL;
1356                 }
1357                 /*
1358                  ** rio_minor: given a dev_t from a stat() call, return
1359                  ** the port number (0-511) ORed with the port type
1360                  ** ( RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT )
1361                  */
1362         case RIO_MINOR:
1363                 {
1364                         dev_t dv;
1365                         int mino;
1366                         unsigned long ret;
1367
1368                         dv = (dev_t) (arg);
1369                         mino = RIO_UNMODEM(dv);
1370
1371                         if (RIO_ISMODEM(dv)) {
1372                                 rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: modem %d\n", dv, mino);
1373                                 ret = mino | RIO_DEV_MODEM;
1374                         } else {
1375                                 rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: direct %d\n", dv, mino);
1376                                 ret = mino | RIO_DEV_DIRECT;
1377                         }
1378                         return ret;
1379                 }
1380         }
1381         rio_dprintk(RIO_DEBUG_CTRL, "INVALID DAEMON IOCTL 0x%x\n", cmd);
1382         p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
1383
1384         func_exit();
1385         return -EINVAL;
1386 }
1387
1388 /*
1389 ** Pre-emptive commands go on RUPs and are only one byte long.
1390 */
1391 int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd)
1392 {
1393         struct CmdBlk *CmdBlkP;
1394         struct PktCmd_M *PktCmdP;
1395         int Ret;
1396         ushort rup;
1397         int port;
1398
1399         if (PortP->State & RIO_DELETED) {
1400                 rio_dprintk(RIO_DEBUG_CTRL, "Preemptive command to deleted RTA ignored\n");
1401                 return RIO_FAIL;
1402         }
1403
1404         if ((PortP->InUse == (typeof(PortP->InUse))-1) ||
1405                         !(CmdBlkP = RIOGetCmdBlk())) {
1406                 rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block "
1407                         "for command %d on port %d\n", Cmd, PortP->PortNum);
1408                 return RIO_FAIL;
1409         }
1410
1411         rio_dprintk(RIO_DEBUG_CTRL, "Command blk %p - InUse now %d\n",
1412                         CmdBlkP, PortP->InUse);
1413
1414         PktCmdP = (struct PktCmd_M *)&CmdBlkP->Packet.data[0];
1415
1416         CmdBlkP->Packet.src_unit = 0;
1417         if (PortP->SecondBlock)
1418                 rup = PortP->ID2;
1419         else
1420                 rup = PortP->RupNum;
1421         CmdBlkP->Packet.dest_unit = rup;
1422         CmdBlkP->Packet.src_port = COMMAND_RUP;
1423         CmdBlkP->Packet.dest_port = COMMAND_RUP;
1424         CmdBlkP->Packet.len = PKT_CMD_BIT | 2;
1425         CmdBlkP->PostFuncP = RIOUnUse;
1426         CmdBlkP->PostArg = (unsigned long) PortP;
1427         PktCmdP->Command = Cmd;
1428         port = PortP->HostPort % (ushort) PORTS_PER_RTA;
1429         /*
1430          ** Index ports 8-15 for 2nd block of 16 port RTA.
1431          */
1432         if (PortP->SecondBlock)
1433                 port += (ushort) PORTS_PER_RTA;
1434         PktCmdP->PhbNum = port;
1435
1436         switch (Cmd) {
1437         case MEMDUMP:
1438                 rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p "
1439                                 "(addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr);
1440                 PktCmdP->SubCommand = MEMDUMP;
1441                 PktCmdP->SubAddr = SubCmd.Addr;
1442                 break;
1443         case FCLOSE:
1444                 rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n",
1445                                 CmdBlkP);
1446                 break;
1447         case READ_REGISTER:
1448                 rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) "
1449                                 "command blk %p\n", (int) SubCmd.Addr, CmdBlkP);
1450                 PktCmdP->SubCommand = READ_REGISTER;
1451                 PktCmdP->SubAddr = SubCmd.Addr;
1452                 break;
1453         case RESUME:
1454                 rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n",
1455                                 CmdBlkP);
1456                 break;
1457         case RFLUSH:
1458                 rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n",
1459                                 CmdBlkP);
1460                 CmdBlkP->PostFuncP = RIORFlushEnable;
1461                 break;
1462         case SUSPEND:
1463                 rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n",
1464                                 CmdBlkP);
1465                 break;
1466
1467         case MGET:
1468                 rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n",
1469                                 CmdBlkP);
1470                 break;
1471
1472         case MSET:
1473         case MBIC:
1474         case MBIS:
1475                 CmdBlkP->Packet.data[4] = (char) PortP->ModemLines;
1476                 rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command "
1477                                 "blk %p\n", CmdBlkP);
1478                 break;
1479
1480         case WFLUSH:
1481                 /*
1482                  ** If we have queued up the maximum number of Write flushes
1483                  ** allowed then we should not bother sending any more to the
1484                  ** RTA.
1485                  */
1486                 if (PortP->WflushFlag == (typeof(PortP->WflushFlag))-1) {
1487                         rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, "
1488                                         "WflushFlag about to wrap!");
1489                         RIOFreeCmdBlk(CmdBlkP);
1490                         return (RIO_FAIL);
1491                 } else {
1492                         rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command "
1493                                         "blk %p\n", CmdBlkP);
1494                         CmdBlkP->PostFuncP = RIOWFlushMark;
1495                 }
1496                 break;
1497         }
1498
1499         PortP->InUse++;
1500
1501         Ret = RIOQueueCmdBlk(PortP->HostP, rup, CmdBlkP);
1502
1503         return Ret;
1504 }