sys/dev/hptmv/hptproc.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   3  *
   4  * Copyright (c) 2004-2005 HighPoint Technologies, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28 /*
  29  * hptproc.c  sysctl support
  30  */
  31 #include <sys/param.h>
  32 #include <sys/systm.h>
  33 #include <sys/kernel.h>
  34 #include <sys/malloc.h>
  35 #include <sys/sysctl.h>
  36 #include <machine/stdarg.h>
  37
  38 #ifndef __KERNEL__
  39 #define __KERNEL__
  40 #endif
  41
  42 #include <dev/hptmv/global.h>
  43 #include <dev/hptmv/hptintf.h>
  44 #include <dev/hptmv/osbsd.h>
  45 #include <dev/hptmv/access601.h>
  46
  47 int hpt_rescan_all(void);
  48
  49 /***************************************************************************/
  50
  51 static char hptproc_buffer[256];
  52 extern char DRIVER_VERSION[];
  53
  54 typedef struct sysctl_req HPT_GET_INFO;
  55
  56 static int
  57 hpt_set_asc_info(IAL_ADAPTER_T *pAdapter, char *buffer,int length)
  58 {
  59         int orig_length = length+4;
  60         PVBus _vbus_p = &pAdapter->VBus;
  61         PVDevice         pArray;
  62         PVDevice pSubArray, pVDev;
  63         UINT    i, iarray, ichan;
  64         struct cam_periph *periph = NULL;
  65
  66         mtx_lock(&pAdapter->lock);
  67 #ifdef SUPPORT_ARRAY
  68         if (length>=8 && strncmp(buffer, "rebuild ", 8)==0)
  69         {
  70                 buffer+=8;
  71                 length-=8;
  72                 if (length>=5 && strncmp(buffer, "start", 5)==0)
  73                 {
  74                         for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
  75                                 if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
  76                                         continue;
  77                                 else{
  78                                         if (pArray->u.array.rf_need_rebuild && !pArray->u.array.rf_rebuilding)
  79                             hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray,
  80                                                         (UCHAR)((pArray->u.array.CriticalMembers || pArray->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
  81                                 }
  82                         mtx_unlock(&pAdapter->lock);
  83                         return orig_length;
  84                 }
  85                 else if (length>=4 && strncmp(buffer, "stop", 4)==0)
  86                 {
  87                         for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
  88                                 if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
  89                                         continue;
  90                                 else{
  91                                         if (pArray->u.array.rf_rebuilding)
  92                                             pArray->u.array.rf_abort_rebuild = 1;
  93                                 }
  94                         mtx_unlock(&pAdapter->lock);
  95                         return orig_length;
  96                 }
  97                 else if (length>=3 && buffer[1]==','&& buffer[0]>='1'&& buffer[2]>='1')
  98                 {
  99                         iarray = buffer[0]-'1';
 100                 ichan = buffer[2]-'1';
 101
 102             if(iarray >= MAX_VDEVICE_PER_VBUS || ichan >= MV_SATA_CHANNELS_NUM) return -EINVAL;
 103
 104                         pArray = _vbus_p->pVDevice[iarray];
 105                         if (!pArray || (pArray->vf_online == 0)) {
 106                                 mtx_unlock(&pAdapter->lock);
 107                                 return -EINVAL;
 108                         }
 109
 110             for (i=0;i<MV_SATA_CHANNELS_NUM;i++)
 111                                 if(i == ichan)
 112                                     goto rebuild;
 113
 114                 mtx_unlock(&pAdapter->lock);
 115                 return -EINVAL;
 116
 117 rebuild:
 118                 pVDev = &pAdapter->VDevices[ichan];
 119                 if(!pVDev->u.disk.df_on_line || pVDev->pParent) {
 120                         mtx_unlock(&pAdapter->lock);
 121                         return -EINVAL;
 122                 }
 123
 124                 /* Not allow to use a mounted disk ??? test*/
 125                         for(i = 0; i < MAX_VDEVICE_PER_VBUS; i++)
 126                             if(pVDev == _vbus_p->pVDevice[i])
 127                             {
 128                                         periph = hpt_get_periph(pAdapter->mvSataAdapter.adapterId,i);
 129                                         if (periph != NULL && periph->refcount >= 1)
 130                                         {
 131                                                 hpt_printk(("Can not use disk used by OS!\n"));
 132                             mtx_unlock(&pAdapter->lock);
 133                             return -EINVAL;
 134                                         }
 135                                         /* the Mounted Disk isn't delete */
 136                                 }
 137
 138                         switch(pArray->VDeviceType)
 139                         {
 140                                 case VD_RAID_1:
 141                                 case VD_RAID_5:
 142                                 {
 143                                         pSubArray = pArray;
 144 loop:
 145                                         if(hpt_add_disk_to_array(_VBUS_P VDEV_TO_ID(pSubArray), VDEV_TO_ID(pVDev)) == -1) {
 146                                                 mtx_unlock(&pAdapter->lock);
 147                                                 return -EINVAL;
 148                                         }
 149                                         pSubArray->u.array.rf_auto_rebuild = 0;
 150                                         pSubArray->u.array.rf_abort_rebuild = 0;
 151                                         hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pSubArray, DUPLICATE);
 152                                         break;
 153                                 }
 154                                 case VD_RAID_0:
 155                                         for (i = 0; (UCHAR)i < pArray->u.array.bArnMember; i++)
 156                                                 if(pArray->u.array.pMember[i] && mIsArray(pArray->u.array.pMember[i]) &&
 157                                                    (pArray->u.array.pMember[i]->u.array.rf_broken == 1))
 158                                                 {
 159                                                           pSubArray = pArray->u.array.pMember[i];
 160                                                           goto loop;
 161                                                 }
 162                                 default:
 163                                         mtx_unlock(&pAdapter->lock);
 164                                         return -EINVAL;
 165                         }
 166                         mtx_unlock(&pAdapter->lock);
 167                         return orig_length;
 168                 }
 169         }
 170         else if (length>=7 && strncmp(buffer, "verify ", 7)==0)
 171         {
 172                 buffer+=7;
 173                 length-=7;
 174         if (length>=6 && strncmp(buffer, "start ", 6)==0)
 175                 {
 176             buffer+=6;
 177                     length-=6;
 178             if (length>=1 && *buffer>='1')
 179                         {
 180                                 iarray = *buffer-'1';
 181                                 if(iarray >= MAX_VDEVICE_PER_VBUS) {
 182                                         mtx_unlock(&pAdapter->lock);
 183                                         return -EINVAL;
 184                                 }
 185
 186                                 pArray = _vbus_p->pVDevice[iarray];
 187                                 if (!pArray || (pArray->vf_online == 0)) {
 188                                         mtx_unlock(&pAdapter->lock);
 189                                         return -EINVAL;
 190                                 }
 191
 192                                 if(pArray->VDeviceType != VD_RAID_1 && pArray->VDeviceType != VD_RAID_5) {
 193                                         mtx_unlock(&pAdapter->lock);
 194                                         return -EINVAL;
 195                                 }
 196
 197                                 if (!(pArray->u.array.rf_need_rebuild ||
 198                                         pArray->u.array.rf_rebuilding ||
 199                                         pArray->u.array.rf_verifying ||
 200                                         pArray->u.array.rf_initializing))
 201                                 {
 202                                         pArray->u.array.RebuildSectors = 0;
 203                                         hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, VERIFY);
 204                                 }
 205                 mtx_unlock(&pAdapter->lock);
 206                 return orig_length;
 207                         }
 208                 }
 209                 else if (length>=5 && strncmp(buffer, "stop ", 5)==0)
 210                 {
 211                         buffer+=5;
 212                     length-=5;
 213             if (length>=1 && *buffer>='1')
 214                         {
 215                                 iarray = *buffer-'1';
 216                                 if(iarray >= MAX_VDEVICE_PER_VBUS) {
 217                                         mtx_unlock(&pAdapter->lock);
 218                                         return -EINVAL;
 219                                 }
 220
 221                                 pArray = _vbus_p->pVDevice[iarray];
 222                                 if (!pArray || (pArray->vf_online == 0)) {
 223                                         mtx_unlock(&pAdapter->lock);
 224                                         return -EINVAL;
 225                                 }
 226                                 if(pArray->u.array.rf_verifying)
 227                                 {
 228                                     pArray->u.array.rf_abort_rebuild = 1;
 229                                 }
 230                             mtx_unlock(&pAdapter->lock);
 231                             return orig_length;
 232                         }
 233                 }
 234         }
 235         else
 236 #ifdef _RAID5N_
 237         if (length>=10 && strncmp(buffer, "writeback ", 10)==0) {
 238                 buffer+=10;
 239                 length-=10;
 240                 if (length>=1 && *buffer>='0' && *buffer<='1') {
 241                         _vbus_(r5.enable_write_back) = *buffer-'0';
 242                         if (_vbus_(r5.enable_write_back))
 243                                 hpt_printk(("RAID5 write back enabled"));
 244                         mtx_unlock(&pAdapter->lock);
 245                         return orig_length;
 246                 }
 247         }
 248         else
 249 #endif
 250 #endif
 251         if (0) {} /* just to compile */
 252 #ifdef DEBUG
 253         else if (length>=9 && strncmp(buffer, "dbglevel ", 9)==0) {
 254                 buffer+=9;
 255                 length-=9;
 256                 if (length>=1 && *buffer>='0' && *buffer<='3') {
 257                         hpt_dbg_level = *buffer-'0';
 258                         mtx_unlock(&pAdapter->lock);
 259                         return orig_length;
 260                 }
 261         }
 262         else if (length>=8 && strncmp(buffer, "disable ", 8)==0) {
 263                 /* TO DO */
 264         }
 265 #endif
 266         mtx_unlock(&pAdapter->lock);
 267
 268         return -EINVAL;
 269 }
 270
 271 /*
 272  * Since we have only one sysctl node, add adapter ID in the command
 273  * line string: e.g. "hpt 0 rebuild start"
 274  */
 275 static int
 276 hpt_set_info(int length)
 277 {
 278         int retval;
 279
 280 #ifdef SUPPORT_IOCTL
 281         PUCHAR ke_area;
 282         int err;
 283         DWORD dwRet;
 284         PHPT_IOCTL_PARAM piop;
 285 #endif
 286         char *buffer = hptproc_buffer;
 287         if (length >= 6) {
 288                 if (strncmp(buffer,"hpt ",4) == 0) {
 289                         IAL_ADAPTER_T *pAdapter;
 290                         retval = buffer[4]-'0';
 291                         for (pAdapter=gIal_Adapter; pAdapter; pAdapter=pAdapter->next) {
 292                                 if (pAdapter->mvSataAdapter.adapterId==retval)
 293                                         return (retval = hpt_set_asc_info(pAdapter, buffer+6, length-6)) >= 0? retval : -EINVAL;
 294                         }
 295                         return -EINVAL;
 296                 }
 297 #ifdef SUPPORT_IOCTL
 298                 piop = (PHPT_IOCTL_PARAM)buffer;
 299                 if (piop->Magic == HPT_IOCTL_MAGIC ||
 300                         piop->Magic == HPT_IOCTL_MAGIC32)       {
 301                         KdPrintE(("ioctl=%d in=%p len=%d out=%p len=%d\n",
 302                                 piop->dwIoControlCode,
 303                                 piop->lpInBuffer,
 304                                 piop->nInBufferSize,
 305                                 piop->lpOutBuffer,
 306                                 piop->nOutBufferSize));
 307
 308                         /*
 309                          * map buffer to kernel.
 310                          */
 311                         if (piop->nInBufferSize > PAGE_SIZE ||
 312                                 piop->nOutBufferSize > PAGE_SIZE ||
 313                                 piop->nInBufferSize+piop->nOutBufferSize > PAGE_SIZE) {
 314                                 KdPrintE(("User buffer too large\n"));
 315                                 return -EINVAL;
 316                         }
 317
 318                         ke_area = malloc(piop->nInBufferSize+piop->nOutBufferSize, M_DEVBUF, M_NOWAIT);
 319                                 if (ke_area == NULL) {
 320                                         KdPrintE(("Couldn't allocate kernel mem.\n"));
 321                                         return -EINVAL;
 322                                 }
 323
 324                         if (piop->nInBufferSize) {
 325                                 if (copyin((void*)(ULONG_PTR)piop->lpInBuffer, ke_area, piop->nInBufferSize) != 0) {
 326                                         KdPrintE(("Failed to copyin from lpInBuffer\n"));
 327                                         free(ke_area, M_DEVBUF);
 328                                         return -EFAULT;
 329                                 }
 330                         }
 331
 332                         /*
 333                           * call kernel handler.
 334                           */
 335                         err = Kernel_DeviceIoControl(&gIal_Adapter->VBus,
 336                                 piop->dwIoControlCode, ke_area, piop->nInBufferSize,
 337                                 ke_area + piop->nInBufferSize, piop->nOutBufferSize, &dwRet);
 338
 339                         if (err==0) {
 340                                 if (piop->nOutBufferSize)
 341                                         err = -copyout(ke_area + piop->nInBufferSize, (void*)(ULONG_PTR)piop->lpOutBuffer, piop->nOutBufferSize);
 342
 343                                 if (err == 0 && piop->lpBytesReturned)
 344                                         err = -copyout(&dwRet, (void*)(ULONG_PTR)piop->lpBytesReturned, sizeof(DWORD));
 345
 346                                 free(ke_area, M_DEVBUF);
 347                                 return err == 0 ? length : err;
 348                         }
 349                         else  KdPrintW(("Kernel_ioctl(): return %d\n", err));
 350
 351                         free(ke_area, M_DEVBUF);
 352                         return -EINVAL;
 353                 } else  {
 354                 KdPrintW(("Wrong signature: %x\n", piop->Magic));
 355                 return -EINVAL;
 356                 }
 357 #endif
 358         }
 359
 360         return -EINVAL;
 361 }
 362
 363 #define shortswap(w) ((WORD)((w)>>8 | ((w) & 0xFF)<<8))
 364
 365 static void
 366 get_disk_name(char *name, PDevice pDev)
 367 {
 368         int i;
 369         MV_SATA_CHANNEL *pMvSataChannel = pDev->mv;
 370         IDENTIFY_DATA2 *pIdentifyData = (IDENTIFY_DATA2 *)pMvSataChannel->identifyDevice;
 371
 372         for (i = 0; i < 10; i++)
 373                 ((WORD*)name)[i] = shortswap(pIdentifyData->ModelNumber[i]);
 374         name[20] = '\0';
 375 }
 376
 377 static int
 378 hpt_copy_info(HPT_GET_INFO *pinfo, char *fmt, ...)
 379 {
 380         va_list ap;
 381
 382         if(fmt == NULL) {
 383                 *hptproc_buffer = 0;
 384                 return (SYSCTL_OUT(pinfo, hptproc_buffer, 1));
 385         }
 386         else
 387         {
 388                 va_start(ap, fmt);
 389                 vsnprintf(hptproc_buffer, sizeof(hptproc_buffer), fmt, ap);
 390                 va_end(ap);
 391                 return(SYSCTL_OUT(pinfo, hptproc_buffer, strlen(hptproc_buffer)));
 392         }
 393 }
 394
 395 static void
 396 hpt_copy_disk_info(HPT_GET_INFO *pinfo, PVDevice pVDev, UINT iChan)
 397 {
 398         char name[32], arrayname[16], *status;
 399
 400         get_disk_name(name, &pVDev->u.disk);
 401
 402         if (!pVDev->u.disk.df_on_line)
 403                 status = "Disabled";
 404         else if (pVDev->VDeviceType==VD_SPARE)
 405                 status = "Spare   ";
 406         else
 407                 status = "Normal  ";
 408
 409 #ifdef SUPPORT_ARRAY
 410         if(pVDev->pParent) {
 411                 memcpy(arrayname, pVDev->pParent->u.array.ArrayName, MAX_ARRAY_NAME);
 412                 if (pVDev->pParent->u.array.CriticalMembers & (1<<pVDev->bSerialNumber))
 413                         status = "Degraded";
 414         }
 415         else
 416 #endif
 417                 arrayname[0]=0;
 418
 419         hpt_copy_info(pinfo, "Channel %d  %s  %5dMB  %s %s\n",
 420                 iChan+1,
 421                 name, pVDev->VDeviceCapacity>>11, status, arrayname);
 422 }
 423
 424 #ifdef SUPPORT_ARRAY
 425 static void
 426 hpt_copy_array_info(HPT_GET_INFO *pinfo, int nld, PVDevice pArray)
 427 {
 428         int i;
 429         char *sType = NULL, *sStatus = NULL;
 430         char buf[32];
 431     PVDevice pTmpArray;
 432
 433         switch (pArray->VDeviceType) {
 434                 case VD_RAID_0:
 435                         for (i = 0; (UCHAR)i < pArray->u.array.bArnMember; i++)
 436                                 if(pArray->u.array.pMember[i])  {
 437                                         if(mIsArray(pArray->u.array.pMember[i]))
 438                                                 sType = "RAID 1/0   ";
 439                                                 /* TO DO */
 440                                         else
 441                                                 sType = "RAID 0     ";
 442                                         break;
 443                                 }
 444                         break;
 445
 446                 case VD_RAID_1:
 447                         sType = "RAID 1     ";
 448                         break;
 449
 450                 case VD_JBOD:
 451                         sType = "JBOD       ";
 452                         break;
 453
 454                 case VD_RAID_5:
 455                 sType = "RAID 5     ";
 456                         break;
 457
 458                 default:
 459                         sType = "N/A        ";
 460                         break;
 461         }
 462
 463         if (pArray->vf_online == 0)
 464                 sStatus = "Disabled";
 465         else if (pArray->u.array.rf_broken)
 466                 sStatus = "Critical";
 467         for (i = 0; (UCHAR)i < pArray->u.array.bArnMember; i++)
 468         {
 469                 if (!sStatus)
 470                 {
 471                         if(mIsArray(pArray->u.array.pMember[i]))
 472                                 pTmpArray = pArray->u.array.pMember[i];
 473                         else
 474                                 pTmpArray = pArray;
 475
 476                         if (pTmpArray->u.array.rf_rebuilding) {
 477 #ifdef DEBUG
 478                                 sprintf(buf, "Rebuilding %lldMB", (pTmpArray->u.array.RebuildSectors>>11));
 479 #else
 480                                 sprintf(buf, "Rebuilding %d%%", (UINT)((pTmpArray->u.array.RebuildSectors>>11)*100/((pTmpArray->VDeviceCapacity/(pTmpArray->u.array.bArnMember-1))>>11)));
 481 #endif
 482                                 sStatus = buf;
 483                         }
 484                         else if (pTmpArray->u.array.rf_verifying) {
 485                                 sprintf(buf, "Verifying %d%%", (UINT)((pTmpArray->u.array.RebuildSectors>>11)*100/((pTmpArray->VDeviceCapacity/(pTmpArray->u.array.bArnMember-1))>>11)));
 486                                 sStatus = buf;
 487                         }
 488                         else if (pTmpArray->u.array.rf_need_rebuild)
 489                                 sStatus = "Critical";
 490                         else if (pTmpArray->u.array.rf_broken)
 491                                 sStatus = "Critical";
 492
 493                         if(pTmpArray == pArray) goto out;
 494                 }
 495                 else
 496                         goto out;
 497         }
 498 out:
 499         if (!sStatus) sStatus = "Normal";
 500         hpt_copy_info(pinfo, "%2d  %11s  %-20s  %5lldMB  %-16s", nld, sType, pArray->u.array.ArrayName, pArray->VDeviceCapacity>>11, sStatus);
 501 }
 502 #endif
 503
 504 static int
 505 hpt_get_info(IAL_ADAPTER_T *pAdapter, HPT_GET_INFO *pinfo)
 506 {
 507         PVBus _vbus_p = &pAdapter->VBus;
 508         struct cam_periph *periph = NULL;
 509         UINT channel,j,i;
 510         PVDevice pVDev;
 511
 512 #ifndef FOR_DEMO
 513         mtx_lock(&pAdapter->lock);
 514         if (pAdapter->beeping) {
 515                 pAdapter->beeping = 0;
 516                 BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
 517         }
 518         mtx_unlock(&pAdapter->lock);
 519 #endif
 520
 521         hpt_copy_info(pinfo, "Controller #%d:\n\n", pAdapter->mvSataAdapter.adapterId);
 522
 523         hpt_copy_info(pinfo, "Physical device list\n");
 524         hpt_copy_info(pinfo, "Channel    Model                Capacity  Status   Array\n");
 525         hpt_copy_info(pinfo, "-------------------------------------------------------------------\n");
 526
 527     for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
 528         {
 529                 pVDev = &(pAdapter->VDevices[channel]);
 530                 if(pVDev->u.disk.df_on_line)
 531                          hpt_copy_disk_info(pinfo, pVDev, channel);
 532         }
 533
 534         hpt_copy_info(pinfo, "\nLogical device list\n");
 535         hpt_copy_info(pinfo, "No. Type         Name                 Capacity  Status            OsDisk\n");
 536         hpt_copy_info(pinfo, "--------------------------------------------------------------------------\n");
 537
 538         j=1;
 539         for(i = 0; i < MAX_VDEVICE_PER_VBUS; i++){
 540         pVDev = _vbus_p->pVDevice[i];
 541                 if(pVDev){
 542                         j=i+1;
 543 #ifdef SUPPORT_ARRAY
 544                         if (mIsArray(pVDev))
 545                         {
 546                 is_array:
 547                                 hpt_copy_array_info(pinfo, j, pVDev);
 548                         }
 549                         else
 550 #endif
 551                         {
 552                                 char name[32];
 553                                 /* it may be add to an array after driver loaded, check it */
 554 #ifdef SUPPORT_ARRAY
 555                                 if (pVDev->pParent)
 556                                         /* in this case, pVDev can only be a RAID 1 source disk. */
 557                                         if (pVDev->pParent->VDeviceType==VD_RAID_1 && pVDev==pVDev->pParent->u.array.pMember[0])
 558                                                 goto is_array;
 559 #endif
 560                                 get_disk_name(name, &pVDev->u.disk);
 561
 562                                 hpt_copy_info(pinfo, "%2d  %s  %s  %5dMB  %-16s",
 563                                         j, "Single disk", name, pVDev->VDeviceCapacity>>11,
 564                                         /* gmm 2001-6-19: Check if pDev has been added to an array. */
 565                                         ((pVDev->pParent) ? "Unavailable" : "Normal"));
 566                         }
 567                         periph = hpt_get_periph(pAdapter->mvSataAdapter.adapterId, i);
 568                         if (periph == NULL)
 569                                 hpt_copy_info(pinfo,"  %s\n","not registered");
 570                         else
 571                                 hpt_copy_info(pinfo,"  %s%d\n", periph->periph_name, periph->unit_number);
 572                  }
 573         }
 574         return 0;
 575 }
 576
 577 static __inline int
 578 hpt_proc_in(SYSCTL_HANDLER_ARGS, int *len)
 579 {
 580         int i, error=0;
 581
 582         *len = 0;
 583         if ((req->newlen - req->newidx) >= sizeof(hptproc_buffer)) {
 584                 error = EINVAL;
 585         } else {
 586                 i = (req->newlen - req->newidx);
 587                 error = SYSCTL_IN(req, hptproc_buffer, i);
 588                 if (!error)
 589                         *len = i;
 590                 (hptproc_buffer)[i] = '\0';
 591         }
 592         return (error);
 593 }
 594
 595 static int
 596 hpt_status(SYSCTL_HANDLER_ARGS)
 597 {
 598         int length, error=0, retval=0;
 599         IAL_ADAPTER_T *pAdapter;
 600
 601         error = hpt_proc_in(oidp, arg1, arg2, req, &length);
 602
 603     if (req->newptr != NULL)
 604         {
 605                 if (error || length == 0)
 606                 {
 607                 KdPrint(("error!\n"));
 608                 retval = EINVAL;
 609                 goto out;
 610                 }
 611
 612                 if (hpt_set_info(length) >= 0)
 613                         retval = 0;
 614                 else
 615                         retval = EINVAL;
 616                 goto out;
 617     }
 618
 619         hpt_copy_info(req, "%s Version %s\n", DRIVER_NAME, DRIVER_VERSION);
 620         for (pAdapter=gIal_Adapter; pAdapter; pAdapter=pAdapter->next) {
 621                 if (hpt_get_info(pAdapter, req) < 0) {
 622                         retval = EINVAL;
 623                         break;
 624                 }
 625         }
 626
 627         hpt_copy_info(req, NULL);
 628         goto out;
 629
 630 out:
 631         return (retval);
 632 }
 633
 634
 635 #define xhptregister_node(name) hptregister_node(name)
 636
 637 #define hptregister_node(name) \
 638     SYSCTL_ROOT_NODE(OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, \
 639         "Get/Set " #name " state root node"); \
 640         SYSCTL_OID(_ ## name, OID_AUTO, status, \
 641             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT, \
 642             NULL, 0, hpt_status, "A", "Get/Set " #name " state")
 643
 644 xhptregister_node(PROC_DIR_NAME);