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