git.oblomov.eu 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
  33 #include <linux/module.h>
  34 #include <linux/slab.h>
  35 #include <linux/errno.h>
  36 #include <asm/io.h>
  37 #include <asm/system.h>
  38 #include <asm/string.h>
  39 #include <asm/uaccess.h>
  40
  41 #include <linux/termios.h>
  42 #include <linux/serial.h>
  43
  44 #include <linux/generic_serial.h>
  45
  46
  47 #include "linux_compat.h"
  48 #include "rio_linux.h"
  49 #include "pkt.h"
  50 #include "daemon.h"
  51 #include "rio.h"
  52 #include "riospace.h"
  53 #include "cmdpkt.h"
  54 #include "map.h"
  55 #include "rup.h"
  56 #include "port.h"
  57 #include "riodrvr.h"
  58 #include "rioinfo.h"
  59 #include "func.h"
  60 #include "errors.h"
  61 #include "pci.h"
  62
  63 #include "parmmap.h"
  64 #include "unixrup.h"
  65 #include "board.h"
  66 #include "host.h"
  67 #include "phb.h"
  68 #include "link.h"
  69 #include "cmdblk.h"
  70 #include "route.h"
  71 #include "cirrus.h"
  72 #include "rioioctl.h"
  73
  74
  75 static struct LpbReq LpbReq;
  76 static struct RupReq RupReq;
  77 static struct PortReq PortReq;
  78 static struct HostReq HostReq;  /* oh really?  global?  and no locking? */
  79 static struct HostDpRam HostDpRam;
  80 static struct DebugCtrl DebugCtrl;
  81 static struct Map MapEnt;
  82 static struct PortSetup PortSetup;
  83 static struct DownLoad DownLoad;
  84 static struct SendPack SendPack;
  85 /* static struct StreamInfo     StreamInfo; */
  86 /* static char modemtable[RIO_PORTS]; */
  87 static struct SpecialRupCmd SpecialRupCmd;
  88 static struct PortParams PortParams;
  89 static struct portStats portStats;
  90
  91 static struct SubCmdStruct {
  92         ushort Host;
  93         ushort Rup;
  94         ushort Port;
  95         ushort Addr;
  96 } SubCmd;
  97
  98 struct PortTty {
  99         uint port;
 100         struct ttystatics Tty;
 101 };
 102
 103 static struct PortTty PortTty;
 104 typedef struct ttystatics TERMIO;
 105
 106 /*
 107 ** This table is used when the config.rio downloads bin code to the
 108 ** driver. We index the table using the product code, 0-F, and call
 109 ** the function pointed to by the entry, passing the information
 110 ** about the boot.
 111 ** The RIOBootCodeUNKNOWN entry is there to politely tell the calling
 112 ** process to bog off.
 113 */
 114 static int
 115  (*RIOBootTable[MAX_PRODUCT]) (struct rio_info *, struct DownLoad *) = {
 116                                         /* 0 */ RIOBootCodeHOST,
 117                                         /* Host Card */
 118                                         /* 1 */ RIOBootCodeRTA,
 119                                         /* RTA */
 120 };
 121
 122 #define drv_makedev(maj, min) ((((uint) maj & 0xff) << 8) | ((uint) min & 0xff))
 123
 124 static int copy_from_io(void __user *to, void __iomem *from, size_t size)
 125 {
 126         void *buf = kmalloc(size, GFP_KERNEL);
 127         int res = -ENOMEM;
 128         if (buf) {
 129                 rio_memcpy_fromio(buf, from, size);
 130                 res = copy_to_user(to, buf, size);
 131                 kfree(buf);
 132         }
 133         return res;
 134 }
 135
 136 int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su)
 137 {
 138         uint Host;              /* leave me unsigned! */
 139         uint port;              /* and me! */
 140         struct Host *HostP;
 141         ushort loop;
 142         int Entry;
 143         struct Port *PortP;
 144         struct PKT __iomem *PacketP;
 145         int retval = 0;
 146         unsigned long flags;
 147         void __user *argp = (void __user *)arg;
 148
 149         func_enter();
 150
 151         /* Confuse the compiler to think that we've initialized these */
 152         Host = 0;
 153         PortP = NULL;
 154
 155         rio_dprintk(RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: %p\n", cmd, argp);
 156
 157         switch (cmd) {
 158                 /*
 159                  ** RIO_SET_TIMER
 160                  **
 161                  ** Change the value of the host card interrupt timer.
 162                  ** If the host card number is -1 then all host cards are changed
 163                  ** otherwise just the specified host card will be changed.
 164                  */
 165         case RIO_SET_TIMER:
 166                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_TIMER to %ldms\n", arg);
 167                 {
 168                         int host, value;
 169                         host = (arg >> 16) & 0x0000FFFF;
 170                         value = arg & 0x0000ffff;
 171                         if (host == -1) {
 172                                 for (host = 0; host < p->RIONumHosts; host++) {
 173                                         if (p->RIOHosts[host].Flags == RC_RUNNING) {
 174                                                 writew(value, &p->RIOHosts[host].ParmMapP->timer);
 175                                         }
 176                                 }
 177                         } else if (host >= p->RIONumHosts) {
 178                                 return -EINVAL;
 179                         } else {
 180                                 if (p->RIOHosts[host].Flags == RC_RUNNING) {
 181                                         writew(value, &p->RIOHosts[host].ParmMapP->timer);
 182                                 }
 183                         }
 184                 }
 185                 return 0;
 186
 187         case RIO_FOAD_RTA:
 188                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_FOAD_RTA\n");
 189                 return RIOCommandRta(p, arg, RIOFoadRta);
 190
 191         case RIO_ZOMBIE_RTA:
 192                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ZOMBIE_RTA\n");
 193                 return RIOCommandRta(p, arg, RIOZombieRta);
 194
 195         case RIO_IDENTIFY_RTA:
 196                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_IDENTIFY_RTA\n");
 197                 return RIOIdentifyRta(p, argp);
 198
 199         case RIO_KILL_NEIGHBOUR:
 200                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_KILL_NEIGHBOUR\n");
 201                 return RIOKillNeighbour(p, argp);
 202
 203         case SPECIAL_RUP_CMD:
 204                 {
 205                         struct CmdBlk *CmdBlkP;
 206
 207                         rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD\n");
 208                         if (copy_from_user(&SpecialRupCmd, argp, sizeof(SpecialRupCmd))) {
 209                                 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD copy failed\n");
 210                                 p->RIOError.Error = COPYIN_FAILED;
 211                                 return -EFAULT;
 212                         }
 213                         CmdBlkP = RIOGetCmdBlk();
 214                         if (!CmdBlkP) {
 215                                 rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD GetCmdBlk failed\n");
 216                                 return -ENXIO;
 217                         }
 218                         CmdBlkP->Packet = SpecialRupCmd.Packet;
 219                         if (SpecialRupCmd.Host >= p->RIONumHosts)
 220                                 SpecialRupCmd.Host = 0;
 221                         rio_dprintk(RIO_DEBUG_CTRL, "Queue special rup command for host %d rup %d\n", SpecialRupCmd.Host, SpecialRupCmd.RupNum);
 222                         if (RIOQueueCmdBlk(&p->RIOHosts[SpecialRupCmd.Host], SpecialRupCmd.RupNum, CmdBlkP) == RIO_FAIL) {
 223                                 printk(KERN_WARNING "rio: FAILED TO QUEUE SPECIAL RUP COMMAND\n");
 224                         }
 225                         return 0;
 226                 }
 227
 228         case RIO_DEBUG_MEM:
 229                 return -EPERM;
 230
 231         case RIO_ALL_MODEM:
 232                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ALL_MODEM\n");
 233                 p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
 234                 return -EINVAL;
 235
 236         case RIO_GET_TABLE:
 237                 /*
 238                  ** Read the routing table from the device driver to user space
 239                  */
 240                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE\n");
 241
 242                 if ((retval = RIOApel(p)) != 0)
 243                         return retval;
 244
 245                 if (copy_to_user(argp, p->RIOConnectTable, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
 246                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE copy failed\n");
 247                         p->RIOError.Error = COPYOUT_FAILED;
 248                         return -EFAULT;
 249                 }
 250
 251                 {
 252                         int entry;
 253                         rio_dprintk(RIO_DEBUG_CTRL, "*****\nMAP ENTRIES\n");
 254                         for (entry = 0; entry < TOTAL_MAP_ENTRIES; entry++) {
 255                                 if ((p->RIOConnectTable[entry].ID == 0) && (p->RIOConnectTable[entry].HostUniqueNum == 0) && (p->RIOConnectTable[entry].RtaUniqueNum == 0))
 256                                         continue;
 257
 258                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum);
 259                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum);
 260                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID);
 261                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2);
 262                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Flags = 0x%x\n", entry, (int) p->RIOConnectTable[entry].Flags);
 263                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.SysPort = 0x%x\n", entry, (int) p->RIOConnectTable[entry].SysPort);
 264                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Unit);
 265                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Link);
 266                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Unit);
 267                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Link);
 268                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Unit);
 269                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Link);
 270                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[3].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Unit);
 271                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[4].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Link);
 272                                 rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name);
 273                         }
 274                         rio_dprintk(RIO_DEBUG_CTRL, "*****\nEND MAP ENTRIES\n");
 275                 }
 276                 p->RIOQuickCheck = NOT_CHANGED; /* a table has been gotten */
 277                 return 0;
 278
 279         case RIO_PUT_TABLE:
 280                 /*
 281                  ** Write the routing table to the device driver from user space
 282                  */
 283                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE\n");
 284
 285                 if (!su) {
 286                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE !Root\n");
 287                         p->RIOError.Error = NOT_SUPER_USER;
 288                         return -EPERM;
 289                 }
 290                 if (copy_from_user(&p->RIOConnectTable[0], argp, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
 291                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE copy failed\n");
 292                         p->RIOError.Error = COPYIN_FAILED;
 293                         return -EFAULT;
 294                 }
 295 /*
 296 ***********************************
 297                                 {
 298                                         int entry;
 299                                         rio_dprint(RIO_DEBUG_CTRL,  ("*****\nMAP ENTRIES\n") );
 300                                         for ( entry=0; entry<TOTAL_MAP_ENTRIES; entry++ )
 301                                         {
 302                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum ) );
 303                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum ) );
 304                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID ) );
 305                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2 ) );
 306                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Flags = 0x%x\n", entry, p->RIOConnectTable[entry].Flags ) );
 307                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.SysPort = 0x%x\n", entry, p->RIOConnectTable[entry].SysPort ) );
 308                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[0].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Unit ) );
 309                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[0].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Link ) );
 310                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[1].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Unit ) );
 311                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[1].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Link ) );
 312                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[2].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Unit ) );
 313                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[2].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Link ) );
 314                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[3].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Unit ) );
 315                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Top[4].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Link ) );
 316                                                 rio_dprint(RIO_DEBUG_CTRL,  ("Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name ) );
 317                                         }
 318                                         rio_dprint(RIO_DEBUG_CTRL,  ("*****\nEND MAP ENTRIES\n") );
 319                                 }
 320 ***********************************
 321 */
 322                 return RIONewTable(p);
 323
 324         case RIO_GET_BINDINGS:
 325                 /*
 326                  ** Send bindings table, containing unique numbers of RTAs owned
 327                  ** by this system to user space
 328                  */
 329                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS\n");
 330
 331                 if (!su) {
 332                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS !Root\n");
 333                         p->RIOError.Error = NOT_SUPER_USER;
 334                         return -EPERM;
 335                 }
 336                 if (copy_to_user(argp, p->RIOBindTab, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
 337                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS copy failed\n");
 338                         p->RIOError.Error = COPYOUT_FAILED;
 339                         return -EFAULT;
 340                 }
 341                 return 0;
 342
 343         case RIO_PUT_BINDINGS:
 344                 /*
 345                  ** Receive a bindings table, containing unique numbers of RTAs owned
 346                  ** by this system
 347                  */
 348                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS\n");
 349
 350                 if (!su) {
 351                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS !Root\n");
 352                         p->RIOError.Error = NOT_SUPER_USER;
 353                         return -EPERM;
 354                 }
 355                 if (copy_from_user(&p->RIOBindTab[0], argp, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
 356                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS copy failed\n");
 357                         p->RIOError.Error = COPYIN_FAILED;
 358                         return -EFAULT;
 359                 }
 360                 return 0;
 361
 362         case RIO_BIND_RTA:
 363                 {
 364                         int EmptySlot = -1;
 365                         /*
 366                          ** Bind this RTA to host, so that it will be booted by
 367                          ** host in 'boot owned RTAs' mode.
 368                          */
 369                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA\n");
 370
 371                         if (!su) {
 372                                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA !Root\n");
 373                                 p->RIOError.Error = NOT_SUPER_USER;
 374                                 return -EPERM;
 375                         }
 376                         for (Entry = 0; Entry < MAX_RTA_BINDINGS; Entry++) {
 377                                 if ((EmptySlot == -1) && (p->RIOBindTab[Entry] == 0L))
 378                                         EmptySlot = Entry;
 379                                 else if (p->RIOBindTab[Entry] == arg) {
 380                                         /*
 381                                          ** Already exists - delete
 382                                          */
 383                                         p->RIOBindTab[Entry] = 0L;
 384                                         rio_dprintk(RIO_DEBUG_CTRL, "Removing Rta %ld from p->RIOBindTab\n", arg);
 385                                         return 0;
 386                                 }
 387                         }
 388                         /*
 389                          ** Dosen't exist - add
 390                          */
 391                         if (EmptySlot != -1) {
 392                                 p->RIOBindTab[EmptySlot] = arg;
 393                                 rio_dprintk(RIO_DEBUG_CTRL, "Adding Rta %lx to p->RIOBindTab\n", arg);
 394                         } else {
 395                                 rio_dprintk(RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %lx not added\n", arg);
 396                                 return -ENOMEM;
 397                         }
 398                         return 0;
 399                 }
 400
 401         case RIO_RESUME:
 402                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME\n");
 403                 port = arg;
 404                 if ((port < 0) || (port > 511)) {
 405                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Bad port number %d\n", port);
 406                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 407                         return -EINVAL;
 408                 }
 409                 PortP = p->RIOPortp[port];
 410                 if (!PortP->Mapped) {
 411                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not mapped\n", port);
 412                         p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
 413                         return -EINVAL;
 414                 }
 415                 if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) {
 416                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not open\n", port);
 417                         return -EINVAL;
 418                 }
 419
 420                 rio_spin_lock_irqsave(&PortP->portSem, flags);
 421                 if (RIOPreemptiveCmd(p, (p->RIOPortp[port]), RIOC_RESUME) ==
 422                                 RIO_FAIL) {
 423                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME failed\n");
 424                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 425                         return -EBUSY;
 426                 } else {
 427                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d resumed\n", port);
 428                         PortP->State |= RIO_BUSY;
 429                 }
 430                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 431                 return retval;
 432
 433         case RIO_ASSIGN_RTA:
 434                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA\n");
 435                 if (!su) {
 436                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA !Root\n");
 437                         p->RIOError.Error = NOT_SUPER_USER;
 438                         return -EPERM;
 439                 }
 440                 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
 441                         rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
 442                         p->RIOError.Error = COPYIN_FAILED;
 443                         return -EFAULT;
 444                 }
 445                 return RIOAssignRta(p, &MapEnt);
 446
 447         case RIO_CHANGE_NAME:
 448                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME\n");
 449                 if (!su) {
 450                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME !Root\n");
 451                         p->RIOError.Error = NOT_SUPER_USER;
 452                         return -EPERM;
 453                 }
 454                 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
 455                         rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
 456                         p->RIOError.Error = COPYIN_FAILED;
 457                         return -EFAULT;
 458                 }
 459                 return RIOChangeName(p, &MapEnt);
 460
 461         case RIO_DELETE_RTA:
 462                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA\n");
 463                 if (!su) {
 464                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA !Root\n");
 465                         p->RIOError.Error = NOT_SUPER_USER;
 466                         return -EPERM;
 467                 }
 468                 if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
 469                         rio_dprintk(RIO_DEBUG_CTRL, "Copy from data space failed\n");
 470                         p->RIOError.Error = COPYIN_FAILED;
 471                         return -EFAULT;
 472                 }
 473                 return RIODeleteRta(p, &MapEnt);
 474
 475         case RIO_QUICK_CHECK:
 476                 if (copy_to_user(argp, &p->RIORtaDisCons, sizeof(unsigned int))) {
 477                         p->RIOError.Error = COPYOUT_FAILED;
 478                         return -EFAULT;
 479                 }
 480                 return 0;
 481
 482         case RIO_LAST_ERROR:
 483                 if (copy_to_user(argp, &p->RIOError, sizeof(struct Error)))
 484                         return -EFAULT;
 485                 return 0;
 486
 487         case RIO_GET_LOG:
 488                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_LOG\n");
 489                 return -EINVAL;
 490
 491         case RIO_GET_MODTYPE:
 492                 if (copy_from_user(&port, argp, sizeof(unsigned int))) {
 493                         p->RIOError.Error = COPYIN_FAILED;
 494                         return -EFAULT;
 495                 }
 496                 rio_dprintk(RIO_DEBUG_CTRL, "Get module type for port %d\n", port);
 497                 if (port < 0 || port > 511) {
 498                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Bad port number %d\n", port);
 499                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 500                         return -EINVAL;
 501                 }
 502                 PortP = (p->RIOPortp[port]);
 503                 if (!PortP->Mapped) {
 504                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Port %d not mapped\n", port);
 505                         p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
 506                         return -EINVAL;
 507                 }
 508                 /*
 509                  ** Return module type of port
 510                  */
 511                 port = PortP->HostP->UnixRups[PortP->RupNum].ModTypes;
 512                 if (copy_to_user(argp, &port, sizeof(unsigned int))) {
 513                         p->RIOError.Error = COPYOUT_FAILED;
 514                         return -EFAULT;
 515                 }
 516                 return (0);
 517         case RIO_BLOCK_OPENS:
 518                 rio_dprintk(RIO_DEBUG_CTRL, "Opens block until booted\n");
 519                 for (Entry = 0; Entry < RIO_PORTS; Entry++) {
 520                         rio_spin_lock_irqsave(&PortP->portSem, flags);
 521                         p->RIOPortp[Entry]->WaitUntilBooted = 1;
 522                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 523                 }
 524                 return 0;
 525
 526         case RIO_SETUP_PORTS:
 527                 rio_dprintk(RIO_DEBUG_CTRL, "Setup ports\n");
 528                 if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
 529                         p->RIOError.Error = COPYIN_FAILED;
 530                         rio_dprintk(RIO_DEBUG_CTRL, "EFAULT");
 531                         return -EFAULT;
 532                 }
 533                 if (PortSetup.From > PortSetup.To || PortSetup.To >= RIO_PORTS) {
 534                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 535                         rio_dprintk(RIO_DEBUG_CTRL, "ENXIO");
 536                         return -ENXIO;
 537                 }
 538                 if (PortSetup.XpCps > p->RIOConf.MaxXpCps || PortSetup.XpCps < p->RIOConf.MinXpCps) {
 539                         p->RIOError.Error = XPRINT_CPS_OUT_OF_RANGE;
 540                         rio_dprintk(RIO_DEBUG_CTRL, "EINVAL");
 541                         return -EINVAL;
 542                 }
 543                 if (!p->RIOPortp) {
 544                         printk(KERN_ERR "rio: No p->RIOPortp array!\n");
 545                         rio_dprintk(RIO_DEBUG_CTRL, "No p->RIOPortp array!\n");
 546                         return -EIO;
 547                 }
 548                 rio_dprintk(RIO_DEBUG_CTRL, "entering loop (%d %d)!\n", PortSetup.From, PortSetup.To);
 549                 for (loop = PortSetup.From; loop <= PortSetup.To; loop++) {
 550                         rio_dprintk(RIO_DEBUG_CTRL, "in loop (%d)!\n", loop);
 551                 }
 552                 rio_dprintk(RIO_DEBUG_CTRL, "after loop (%d)!\n", loop);
 553                 rio_dprintk(RIO_DEBUG_CTRL, "Retval:%x\n", retval);
 554                 return retval;
 555
 556         case RIO_GET_PORT_SETUP:
 557                 rio_dprintk(RIO_DEBUG_CTRL, "Get port setup\n");
 558                 if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
 559                         p->RIOError.Error = COPYIN_FAILED;
 560                         return -EFAULT;
 561                 }
 562                 if (PortSetup.From >= RIO_PORTS) {
 563                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 564                         return -ENXIO;
 565                 }
 566
 567                 port = PortSetup.To = PortSetup.From;
 568                 PortSetup.IxAny = (p->RIOPortp[port]->Config & RIO_IXANY) ? 1 : 0;
 569                 PortSetup.IxOn = (p->RIOPortp[port]->Config & RIO_IXON) ? 1 : 0;
 570                 PortSetup.Drain = (p->RIOPortp[port]->Config & RIO_WAITDRAIN) ? 1 : 0;
 571                 PortSetup.Store = p->RIOPortp[port]->Store;
 572                 PortSetup.Lock = p->RIOPortp[port]->Lock;
 573                 PortSetup.XpCps = p->RIOPortp[port]->Xprint.XpCps;
 574                 memcpy(PortSetup.XpOn, p->RIOPortp[port]->Xprint.XpOn, MAX_XP_CTRL_LEN);
 575                 memcpy(PortSetup.XpOff, p->RIOPortp[port]->Xprint.XpOff, MAX_XP_CTRL_LEN);
 576                 PortSetup.XpOn[MAX_XP_CTRL_LEN - 1] = '\0';
 577                 PortSetup.XpOff[MAX_XP_CTRL_LEN - 1] = '\0';
 578
 579                 if (copy_to_user(argp, &PortSetup, sizeof(PortSetup))) {
 580                         p->RIOError.Error = COPYOUT_FAILED;
 581                         return -EFAULT;
 582                 }
 583                 return retval;
 584
 585         case RIO_GET_PORT_PARAMS:
 586                 rio_dprintk(RIO_DEBUG_CTRL, "Get port params\n");
 587                 if (copy_from_user(&PortParams, argp, sizeof(struct PortParams))) {
 588                         p->RIOError.Error = COPYIN_FAILED;
 589                         return -EFAULT;
 590                 }
 591                 if (PortParams.Port >= RIO_PORTS) {
 592                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 593                         return -ENXIO;
 594                 }
 595                 PortP = (p->RIOPortp[PortParams.Port]);
 596                 PortParams.Config = PortP->Config;
 597                 PortParams.State = PortP->State;
 598                 rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortParams.Port);
 599
 600                 if (copy_to_user(argp, &PortParams, sizeof(struct PortParams))) {
 601                         p->RIOError.Error = COPYOUT_FAILED;
 602                         return -EFAULT;
 603                 }
 604                 return retval;
 605
 606         case RIO_GET_PORT_TTY:
 607                 rio_dprintk(RIO_DEBUG_CTRL, "Get port tty\n");
 608                 if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
 609                         p->RIOError.Error = COPYIN_FAILED;
 610                         return -EFAULT;
 611                 }
 612                 if (PortTty.port >= RIO_PORTS) {
 613                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 614                         return -ENXIO;
 615                 }
 616
 617                 rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortTty.port);
 618                 PortP = (p->RIOPortp[PortTty.port]);
 619                 if (copy_to_user(argp, &PortTty, sizeof(struct PortTty))) {
 620                         p->RIOError.Error = COPYOUT_FAILED;
 621                         return -EFAULT;
 622                 }
 623                 return retval;
 624
 625         case RIO_SET_PORT_TTY:
 626                 if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
 627                         p->RIOError.Error = COPYIN_FAILED;
 628                         return -EFAULT;
 629                 }
 630                 rio_dprintk(RIO_DEBUG_CTRL, "Set port %d tty\n", PortTty.port);
 631                 if (PortTty.port >= (ushort) RIO_PORTS) {
 632                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 633                         return -ENXIO;
 634                 }
 635                 PortP = (p->RIOPortp[PortTty.port]);
 636                 RIOParam(PortP, RIOC_CONFIG, PortP->State & RIO_MODEM,
 637                                 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, argp, 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, argp, sizeof(struct portStats))) {
 659                         p->RIOError.Error = COPYIN_FAILED;
 660                         return -EFAULT;
 661                 }
 662                 if (portStats.port < 0 || 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(argp, &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 = 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, argp, sizeof(struct portStats))) {
 699                         p->RIOError.Error = COPYIN_FAILED;
 700                         return -EFAULT;
 701                 }
 702                 if (portStats.port < 0 || 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(argp, &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, argp, 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, argp, 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(argp, &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(argp, &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(argp, 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(argp, &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", 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, argp, 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, argp, 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_from_io(argp, 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, argp, 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, argp, 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_from_io(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 (arg > 511) {
 969                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %ld\n", 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[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, argp, 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, argp, 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_from_io(RupReq.RupP, HostP->UnixRups[RupReq.RupNum].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, argp, 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_from_io(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 = arg;
1145                 if (port < 0 || port > 511) {
1146                         rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", port);
1147                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1148                         return -EINVAL;
1149                 }
1150                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1151                 switch (cmd) {
1152                 case RIO_MAP_B50_TO_50:
1153                         p->RIOPortp[port]->Config |= RIO_MAP_50_TO_50;
1154                         break;
1155                 case RIO_MAP_B50_TO_57600:
1156                         p->RIOPortp[port]->Config &= ~RIO_MAP_50_TO_50;
1157                         break;
1158                 case RIO_MAP_B110_TO_110:
1159                         p->RIOPortp[port]->Config |= RIO_MAP_110_TO_110;
1160                         break;
1161                 case RIO_MAP_B110_TO_115200:
1162                         p->RIOPortp[port]->Config &= ~RIO_MAP_110_TO_110;
1163                         break;
1164                 }
1165                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1166                 return retval;
1167
1168         case RIO_STREAM_INFO:
1169                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_STREAM_INFO\n");
1170                 return -EINVAL;
1171
1172         case RIO_SEND_PACKET:
1173                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET\n");
1174                 if (copy_from_user(&SendPack, argp, sizeof(SendPack))) {
1175                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET: Bad copy from user space\n");
1176                         p->RIOError.Error = COPYIN_FAILED;
1177                         return -EFAULT;
1178                 }
1179                 if (SendPack.PortNum >= 128) {
1180                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1181                         return -ENXIO;
1182                 }
1183
1184                 PortP = p->RIOPortp[SendPack.PortNum];
1185                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1186
1187                 if (!can_add_transmit(&PacketP, PortP)) {
1188                         p->RIOError.Error = UNIT_IS_IN_USE;
1189                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1190                         return -ENOSPC;
1191                 }
1192
1193                 for (loop = 0; loop < (ushort) (SendPack.Len & 127); loop++)
1194                         writeb(SendPack.Data[loop], &PacketP->data[loop]);
1195
1196                 writeb(SendPack.Len, &PacketP->len);
1197
1198                 add_transmit(PortP);
1199                 /*
1200                  ** Count characters transmitted for port statistics reporting
1201                  */
1202                 if (PortP->statsGather)
1203                         PortP->txchars += (SendPack.Len & 127);
1204                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1205                 return retval;
1206
1207         case RIO_NO_MESG:
1208                 if (su)
1209                         p->RIONoMessage = 1;
1210                 return su ? 0 : -EPERM;
1211
1212         case RIO_MESG:
1213                 if (su)
1214                         p->RIONoMessage = 0;
1215                 return su ? 0 : -EPERM;
1216
1217         case RIO_WHAT_MESG:
1218                 if (copy_to_user(argp, &p->RIONoMessage, sizeof(p->RIONoMessage))) {
1219                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_WHAT_MESG: Bad copy to user space\n");
1220                         p->RIOError.Error = COPYOUT_FAILED;
1221                         return -EFAULT;
1222                 }
1223                 return 0;
1224
1225         case RIO_MEM_DUMP:
1226                 if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
1227                         p->RIOError.Error = COPYIN_FAILED;
1228                         return -EFAULT;
1229                 }
1230                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP host %d rup %d addr %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Addr);
1231
1232                 if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
1233                         p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1234                         return -EINVAL;
1235                 }
1236
1237                 if (SubCmd.Host >= p->RIONumHosts) {
1238                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1239                         return -EINVAL;
1240                 }
1241
1242                 port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort;
1243
1244                 PortP = p->RIOPortp[port];
1245
1246                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1247
1248                 if (RIOPreemptiveCmd(p, PortP, RIOC_MEMDUMP) == RIO_FAIL) {
1249                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP failed\n");
1250                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1251                         return -EBUSY;
1252                 } else
1253                         PortP->State |= RIO_BUSY;
1254
1255                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1256                 if (copy_to_user(argp, p->RIOMemDump, MEMDUMP_SIZE)) {
1257                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP copy failed\n");
1258                         p->RIOError.Error = COPYOUT_FAILED;
1259                         return -EFAULT;
1260                 }
1261                 return 0;
1262
1263         case RIO_TICK:
1264                 if (arg >= p->RIONumHosts)
1265                         return -EINVAL;
1266                 rio_dprintk(RIO_DEBUG_CTRL, "Set interrupt for host %ld\n", arg);
1267                 writeb(0xFF, &p->RIOHosts[arg].SetInt);
1268                 return 0;
1269
1270         case RIO_TOCK:
1271                 if (arg >= p->RIONumHosts)
1272                         return -EINVAL;
1273                 rio_dprintk(RIO_DEBUG_CTRL, "Clear interrupt for host %ld\n", arg);
1274                 writeb(0xFF, &p->RIOHosts[arg].ResetInt);
1275                 return 0;
1276
1277         case RIO_READ_CHECK:
1278                 /* Check reads for pkts with data[0] the same */
1279                 p->RIOReadCheck = !p->RIOReadCheck;
1280                 if (copy_to_user(argp, &p->RIOReadCheck, sizeof(unsigned int))) {
1281                         p->RIOError.Error = COPYOUT_FAILED;
1282                         return -EFAULT;
1283                 }
1284                 return 0;
1285
1286         case RIO_READ_REGISTER:
1287                 if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
1288                         p->RIOError.Error = COPYIN_FAILED;
1289                         return -EFAULT;
1290                 }
1291                 rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER host %d rup %d port %d reg %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Port, SubCmd.Addr);
1292
1293                 if (SubCmd.Port > 511) {
1294                         rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", SubCmd.Port);
1295                         p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
1296                         return -EINVAL;
1297                 }
1298
1299                 if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
1300                         p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
1301                         return -EINVAL;
1302                 }
1303
1304                 if (SubCmd.Host >= p->RIONumHosts) {
1305                         p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
1306                         return -EINVAL;
1307                 }
1308
1309                 port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort + SubCmd.Port;
1310                 PortP = p->RIOPortp[port];
1311
1312                 rio_spin_lock_irqsave(&PortP->portSem, flags);
1313
1314                 if (RIOPreemptiveCmd(p, PortP, RIOC_READ_REGISTER) ==
1315                                 RIO_FAIL) {
1316                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER failed\n");
1317                         rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1318                         return -EBUSY;
1319                 } else
1320                         PortP->State |= RIO_BUSY;
1321
1322                 rio_spin_unlock_irqrestore(&PortP->portSem, flags);
1323                 if (copy_to_user(argp, &p->CdRegister, sizeof(unsigned int))) {
1324                         rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER copy failed\n");
1325                         p->RIOError.Error = COPYOUT_FAILED;
1326                         return -EFAULT;
1327                 }
1328                 return 0;
1329                 /*
1330                  ** rio_make_dev: given port number (0-511) ORed with port type
1331                  ** (RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT) return dev_t
1332                  ** value to pass to mknod to create the correct device node.
1333                  */
1334         case RIO_MAKE_DEV:
1335                 {
1336                         unsigned int port = arg & RIO_MODEM_MASK;
1337                         unsigned int ret;
1338
1339                         switch (arg & RIO_DEV_MASK) {
1340                         case RIO_DEV_DIRECT:
1341                                 ret = drv_makedev(MAJOR(dev), port);
1342                                 rio_dprintk(RIO_DEBUG_CTRL, "Makedev direct 0x%x is 0x%x\n", port, ret);
1343                                 return ret;
1344                         case RIO_DEV_MODEM:
1345                                 ret = drv_makedev(MAJOR(dev), (port | RIO_MODEM_BIT));
1346                                 rio_dprintk(RIO_DEBUG_CTRL, "Makedev modem 0x%x is 0x%x\n", port, ret);
1347                                 return ret;
1348                         case RIO_DEV_XPRINT:
1349                                 ret = drv_makedev(MAJOR(dev), port);
1350                                 rio_dprintk(RIO_DEBUG_CTRL, "Makedev printer 0x%x is 0x%x\n", port, ret);
1351                                 return ret;
1352                         }
1353                         rio_dprintk(RIO_DEBUG_CTRL, "MAKE Device is called\n");
1354                         return -EINVAL;
1355                 }
1356                 /*
1357                  ** rio_minor: given a dev_t from a stat() call, return
1358                  ** the port number (0-511) ORed with the port type
1359                  ** ( RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT )
1360                  */
1361         case RIO_MINOR:
1362                 {
1363                         dev_t dv;
1364                         int mino;
1365                         unsigned long ret;
1366
1367                         dv = (dev_t) (arg);
1368                         mino = RIO_UNMODEM(dv);
1369
1370                         if (RIO_ISMODEM(dv)) {
1371                                 rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: modem %d\n", dv, mino);
1372                                 ret = mino | RIO_DEV_MODEM;
1373                         } else {
1374                                 rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: direct %d\n", dv, mino);
1375                                 ret = mino | RIO_DEV_DIRECT;
1376                         }
1377                         return ret;
1378                 }
1379         }
1380         rio_dprintk(RIO_DEBUG_CTRL, "INVALID DAEMON IOCTL 0x%x\n", cmd);
1381         p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
1382
1383         func_exit();
1384         return -EINVAL;
1385 }
1386
1387 /*
1388 ** Pre-emptive commands go on RUPs and are only one byte long.
1389 */
1390 int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd)
1391 {
1392         struct CmdBlk *CmdBlkP;
1393         struct PktCmd_M *PktCmdP;
1394         int Ret;
1395         ushort rup;
1396         int port;
1397
1398         if (PortP->State & RIO_DELETED) {
1399                 rio_dprintk(RIO_DEBUG_CTRL, "Preemptive command to deleted RTA ignored\n");
1400                 return RIO_FAIL;
1401         }
1402
1403         if ((PortP->InUse == (typeof(PortP->InUse))-1) ||
1404                         !(CmdBlkP = RIOGetCmdBlk())) {
1405                 rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block "
1406                         "for command %d on port %d\n", Cmd, PortP->PortNum);
1407                 return RIO_FAIL;
1408         }
1409
1410         rio_dprintk(RIO_DEBUG_CTRL, "Command blk %p - InUse now %d\n",
1411                         CmdBlkP, PortP->InUse);
1412
1413         PktCmdP = (struct PktCmd_M *)&CmdBlkP->Packet.data[0];
1414
1415         CmdBlkP->Packet.src_unit = 0;
1416         if (PortP->SecondBlock)
1417                 rup = PortP->ID2;
1418         else
1419                 rup = PortP->RupNum;
1420         CmdBlkP->Packet.dest_unit = rup;
1421         CmdBlkP->Packet.src_port = COMMAND_RUP;
1422         CmdBlkP->Packet.dest_port = COMMAND_RUP;
1423         CmdBlkP->Packet.len = PKT_CMD_BIT | 2;
1424         CmdBlkP->PostFuncP = RIOUnUse;
1425         CmdBlkP->PostArg = (unsigned long) PortP;
1426         PktCmdP->Command = Cmd;
1427         port = PortP->HostPort % (ushort) PORTS_PER_RTA;
1428         /*
1429          ** Index ports 8-15 for 2nd block of 16 port RTA.
1430          */
1431         if (PortP->SecondBlock)
1432                 port += (ushort) PORTS_PER_RTA;
1433         PktCmdP->PhbNum = port;
1434
1435         switch (Cmd) {
1436         case RIOC_MEMDUMP:
1437                 rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p "
1438                                 "(addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr);
1439                 PktCmdP->SubCommand = RIOC_MEMDUMP;
1440                 PktCmdP->SubAddr = SubCmd.Addr;
1441                 break;
1442         case RIOC_FCLOSE:
1443                 rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n",
1444                                 CmdBlkP);
1445                 break;
1446         case RIOC_READ_REGISTER:
1447                 rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) "
1448                                 "command blk %p\n", (int) SubCmd.Addr, CmdBlkP);
1449                 PktCmdP->SubCommand = RIOC_READ_REGISTER;
1450                 PktCmdP->SubAddr = SubCmd.Addr;
1451                 break;
1452         case RIOC_RESUME:
1453                 rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n",
1454                                 CmdBlkP);
1455                 break;
1456         case RIOC_RFLUSH:
1457                 rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n",
1458                                 CmdBlkP);
1459                 CmdBlkP->PostFuncP = RIORFlushEnable;
1460                 break;
1461         case RIOC_SUSPEND:
1462                 rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n",
1463                                 CmdBlkP);
1464                 break;
1465
1466         case RIOC_MGET:
1467                 rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n",
1468                                 CmdBlkP);
1469                 break;
1470
1471         case RIOC_MSET:
1472         case RIOC_MBIC:
1473         case RIOC_MBIS:
1474                 CmdBlkP->Packet.data[4] = (char) PortP->ModemLines;
1475                 rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command "
1476                                 "blk %p\n", CmdBlkP);
1477                 break;
1478
1479         case RIOC_WFLUSH:
1480                 /*
1481                  ** If we have queued up the maximum number of Write flushes
1482                  ** allowed then we should not bother sending any more to the
1483                  ** RTA.
1484                  */
1485                 if (PortP->WflushFlag == (typeof(PortP->WflushFlag))-1) {
1486                         rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, "
1487                                         "WflushFlag about to wrap!");
1488                         RIOFreeCmdBlk(CmdBlkP);
1489                         return (RIO_FAIL);
1490                 } else {
1491                         rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command "
1492                                         "blk %p\n", CmdBlkP);
1493                         CmdBlkP->PostFuncP = RIOWFlushMark;
1494                 }
1495                 break;
1496         }
1497
1498         PortP->InUse++;
1499
1500         Ret = RIOQueueCmdBlk(PortP->HostP, rup, CmdBlkP);
1501
1502         return Ret;
1503 }