sys/dev/hptmv/hptproc.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   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  * $FreeBSD$
  29  */
  30 /*
  31  * hptproc.c  sysctl support
  32  */
  33 #include <sys/param.h>
  34 #include <sys/systm.h>
  35 #include <sys/kernel.h>
  36 #include <sys/malloc.h>
  37 #include <sys/sysctl.h>
  38 #include <machine/stdarg.h>
  39
  40 #ifndef __KERNEL__
  41 #define __KERNEL__
  42 #endif
  43
  44 #include <dev/hptmv/global.h>
  45 #include <dev/hptmv/hptintf.h>
  46 #include <dev/hptmv/osbsd.h>
  47 #include <dev/hptmv/access601.h>
  48
  49 int hpt_rescan_all(void);
  50
  51 /***************************************************************************/
  52
  53 static char hptproc_buffer[256];
  54 extern char DRIVER_VERSION[];
  55
  56 typedef struct sysctl_req HPT_GET_INFO;
  57
  58 static int
  59 hpt_set_asc_info(IAL_ADAPTER_T *pAdapter, char *buffer,int length)
  60 {
  61         int orig_length = length+4;
  62         PVBus _vbus_p = &pAdapter->VBus;
  63         PVDevice         pArray;
  64         PVDevice pSubArray, pVDev;
  65         UINT    i, iarray, ichan;
  66         struct cam_periph *periph = NULL;
  67
  68         mtx_lock(&pAdapter->lock);
  69 #ifdef SUPPORT_ARRAY
  70         if (length>=8 && strncmp(buffer, "rebuild ", 8)==0)
  71         {
  72                 buffer+=8;
  73                 length-=8;
  74                 if (length>=5 && strncmp(buffer, "start", 5)==0)
  75                 {
  76                         for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
  77                                 if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
  78                                         continue;
  79                                 else{
  80                                         if (pArray->u.array.rf_need_rebuild && !pArray->u.array.rf_rebuilding)
  81                             hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray,
  82                                                         (UCHAR)((pArray->u.array.CriticalMembers || pArray->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
  83                                 }
  84                         mtx_unlock(&pAdapter->lock);
  85                         return orig_length;
  86                 }
  87                 else if (length>=4 && strncmp(buffer, "stop", 4)==0)
  88                 {
  89                         for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
  90                                 if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
  91                                         continue;
  92                                 else{
  93                                         if (pArray->u.array.rf_rebuilding)
  94                                             pArray->u.array.rf_abort_rebuild = 1;
  95                                 }
  96                         mtx_unlock(&pAdapter->lock);
  97                         return orig_length;
  98                 }
  99                 else if (length>=3 && buffer[1]==','&& buffer[0]>='1'&& buffer[2]>='1')
 100                 {
 101                         iarray = buffer[0]-'1';
 102                 ichan = buffer[2]-'1';
 103
 104             if(iarray >= MAX_VDEVICE_PER_VBUS || ichan >= MV_SATA_CHANNELS_NUM) return -EINVAL;
 105
 106                         pArray = _vbus_p->pVDevice[iarray];
 107                         if (!pArray || (pArray->vf_online == 0)) {
 108                                 mtx_unlock(&pAdapter->lock);
 109                                 return -EINVAL;
 110                         }
 111
 112             for (i=0;i<MV_SATA_CHANNELS_NUM;i++)
 113                                 if(i == ichan)
 114                                     goto rebuild;
 115
 116                 mtx_unlock(&pAdapter->lock);
 117                 return -EINVAL;
 118
 119 rebuild:
 120                 pVDev = &pAdapter->VDevices[ichan];
 121                 if(!pVDev->u.disk.df_on_line || pVDev->pParent) {
 122                         mtx_unlock(&pAdapter->lock);
 123                         return -EINVAL;
 124                 }
 125
 126                 /* Not allow to use a mounted disk ??? test*/
 127                         for(i = 0; i < MAX_VDEVICE_PER_VBUS; i++)
 128                             if(pVDev == _vbus_p->pVDevice[i])
 129                             {
 130                                         periph = hpt_get_periph(pAdapter->mvSataAdapter.adapterId,i);
 131                                         if (periph != NULL && periph->refcount >= 1)
 132                                         {
 133                                                 hpt_printk(("Can not use disk used by OS!\n"));
 134                             mtx_unlock(&pAdapter->lock);
 135                             return -EINVAL;
 136                                         }
 137                                         /* the Mounted Disk isn't delete */
 138                                 }
 139
 140                         switch(pArray->VDeviceType)
 141                         {
 142                                 case VD_RAID_1:
 143                                 case VD_RAID_5:
 144                                 {
 145                                         pSubArray = pArray;
 146 loop:
 147                                         if(hpt_add_disk_to_array(_VBUS_P VDEV_TO_ID(pSubArray), VDEV_TO_ID(pVDev)) == -1) {
 148                                                 mtx_unlock(&pAdapter->lock);
 149                                                 return -EINVAL;
 150                                         }
 151                                         pSubArray->u.array.rf_auto_rebuild = 0;
 152                                         pSubArray->u.array.rf_abort_rebuild = 0;
 153                                         hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pSubArray, DUPLICATE);
 154                                         break;
 155                                 }
 156                                 case VD_RAID_0:
 157                                         for (i = 0; (UCHAR)i < pArray->u.array.bArnMember; i++)
 158                                                 if(pArray->u.array.pMember[i] && mIsArray(pArray->u.array.pMember[i]) &&
 159                                                    (pArray->u.array.pMember[i]->u.array.rf_broken == 1))
 160                                                 {
 161                                                           pSubArray = pArray->u.array.pMember[i];
 162                                                           goto loop;
 163                                                 }
 164                                 default:
 165                                         mtx_unlock(&pAdapter->lock);
 166                                         return -EINVAL;
 167                         }
 168                         mtx_unlock(&pAdapter->lock);
 169                         return orig_length;
 170                 }
 171         }
 172         else if (length>=7 && strncmp(buffer, "verify ", 7)==0)
 173         {
 174                 buffer+=7;
 175                 length-=7;
 176         if (length>=6 && strncmp(buffer, "start ", 6)==0)
 177                 {
 178             buffer+=6;
 179                     length-=6;
 180             if (length>=1 && *buffer>='1')
 181                         {
 182                                 iarray = *buffer-'1';
 183                                 if(iarray >= MAX_VDEVICE_PER_VBUS) {
 184                                         mtx_unlock(&pAdapter->lock);
 185                                         return -EINVAL;
 186                                 }
 187
 188                                 pArray = _vbus_p->pVDevice[iarray];
 189                                 if (!pArray || (pArray->vf_online == 0)) {
 190                                         mtx_unlock(&pAdapter->lock);
 191                                         return -EINVAL;
 192                                 }
 193
 194                                 if(pArray->VDeviceType != VD_RAID_1 && pArray->VDeviceType != VD_RAID_5) {
 195                                         mtx_unlock(&pAdapter->lock);
 196                                         return -EINVAL;
 197                                 }
 198
 199                                 if (!(pArray->u.array.rf_need_rebuild ||
 200                                         pArray->u.array.rf_rebuilding ||
 201                                         pArray->u.array.rf_verifying ||
 202                                         pArray->u.array.rf_initializing))
 203                                 {
 204                                         pArray->u.array.RebuildSectors = 0;
 205                                         hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, VERIFY);
 206                                 }
 207                 mtx_unlock(&pAdapter->lock);
 208                 return orig_length;
 209                         }
 210                 }
 211                 else if (length>=5 && strncmp(buffer, "stop ", 5)==0)
 212                 {
 213                         buffer+=5;
 214                     length-=5;
 215             if (length>=1 && *buffer>='1')
 216                         {
 217                                 iarray = *buffer-'1';
 218                                 if(iarray >= MAX_VDEVICE_PER_VBUS) {
 219                                         mtx_unlock(&pAdapter->lock);
 220                                         return -EINVAL;
 221                                 }
 222
 223                                 pArray = _vbus_p->pVDevice[iarray];
 224                                 if (!pArray || (pArray->vf_online == 0)) {
 225                                         mtx_unlock(&pAdapter->lock);
 226                                         return -EINVAL;
 227                                 }
 228                                 if(pArray->u.array.rf_verifying)
 229                                 {
 230                                     pArray->u.array.rf_abort_rebuild = 1;
 231                                 }
 232                             mtx_unlock(&pAdapter->lock);
 233                             return orig_length;
 234                         }
 235                 }
 236         }
 237         else
 238 #ifdef _RAID5N_
 239         if (length>=10 && strncmp(buffer, "writeback ", 10)==0) {
 240                 buffer+=10;
 241                 length-=10;
 242                 if (length>=1 && *buffer>='0' && *buffer<='1') {
 243                         _vbus_(r5.enable_write_back) = *buffer-'0';
 244                         if (_vbus_(r5.enable_write_back))
 245                                 hpt_printk(("RAID5 write back enabled"));
 246                         mtx_unlock(&pAdapter->lock);
 247                         return orig_length;
 248                 }
 249         }
 250         else
 251 #endif
 252 #endif
 253         if (0) {} /* just to compile */
 254 #ifdef DEBUG
 255         else if (length>=9 && strncmp(buffer, "dbglevel ", 9)==0) {
 256                 buffer+=9;
 257                 length-=9;
 258                 if (length>=1 && *buffer>='0' && *buffer<='3') {
 259                         hpt_dbg_level = *buffer-'0';
 260                         mtx_unlock(&pAdapter->lock);
 261                         return orig_length;
 262                 }
 263         }
 264         else if (length>=8 && strncmp(buffer, "disable ", 8)==0) {
 265                 /* TO DO */
 266         }
 267 #endif
 268         mtx_unlock(&pAdapter->lock);
 269
 270         return -EINVAL;
 271 }
 272
 273 /*
 274  * Since we have only one sysctl node, add adapter ID in the command
 275  * line string: e.g. "hpt 0 rebuild start"
 276  */
 277 static int
 278 hpt_set_info(int length)
 279 {
 280         int retval;
 281
 282 #ifdef SUPPORT_IOCTL
 283         PUCHAR ke_area;
 284         int err;
 285         DWORD dwRet;
 286         PHPT_IOCTL_PARAM piop;
 287 #endif
 288         char *buffer = hptproc_buffer;
 289         if (length >= 6) {
 290                 if (strncmp(buffer,"hpt ",4) == 0) {
 291                         IAL_ADAPTER_T *pAdapter;
 292                         retval = buffer[4]-'0';
 293                         for (pAdapter=gIal_Adapter; pAdapter; pAdapter=pAdapter->next) {
 294                                 if (pAdapter->mvSataAdapter.adapterId==retval)
 295                                         return (retval = hpt_set_asc_info(pAdapter, buffer+6, length-6)) >= 0? retval : -EINVAL;
 296                         }
 297                         return -EINVAL;
 298                 }
 299 #ifdef SUPPORT_IOCTL
 300                 piop = (PHPT_IOCTL_PARAM)buffer;
 301                 if (piop->Magic == HPT_IOCTL_MAGIC ||
 302                         piop->Magic == HPT_IOCTL_MAGIC32)       {
 303                         KdPrintE(("ioctl=%d in=%p len=%d out=%p len=%d\n",
 304                                 piop->dwIoControlCode,
 305                                 piop->lpInBuffer,
 306                                 piop->nInBufferSize,
 307                                 piop->lpOutBuffer,
 308                                 piop->nOutBufferSize));
 309
 310                         /*
 311                          * map buffer to kernel.
 312                          */
 313                         if (piop->nInBufferSize > PAGE_SIZE ||
 314                                 piop->nOutBufferSize > PAGE_SIZE ||
 315                                 piop->nInBufferSize+piop->nOutBufferSize > PAGE_SIZE) {
 316                                 KdPrintE(("User buffer too large\n"));
 317                                 return -EINVAL;
 318                         }
 319
 320                         ke_area = malloc(piop->nInBufferSize+piop->nOutBufferSize, M_DEVBUF, M_NOWAIT);
 321                                 if (ke_area == NULL) {
 322                                         KdPrintE(("Couldn't allocate kernel mem.\n"));
 323                                         return -EINVAL;
 324                                 }
 325
 326                         if (piop->nInBufferSize) {
 327                                 if (copyin((void*)(ULONG_PTR)piop->lpInBuffer, ke_area, piop->nInBufferSize) != 0) {
 328                                         KdPrintE(("Failed to copyin from lpInBuffer\n"));
 329                                         free(ke_area, M_DEVBUF);
 330                                         return -EFAULT;
 331                                 }
 332                         }
 333
 334                         /*
 335                           * call kernel handler.
 336                           */
 337                         err = Kernel_DeviceIoControl(&gIal_Adapter->VBus,
 338                                 piop->dwIoControlCode, ke_area, piop->nInBufferSize,
 339                                 ke_area + piop->nInBufferSize, piop->nOutBufferSize, &dwRet);
 340
 341                         if (err==0) {
 342                                 if (piop->nOutBufferSize)
 343                                         copyout(ke_area + piop->nInBufferSize, (void*)(ULONG_PTR)piop->lpOutBuffer, piop->nOutBufferSize);
 344
 345                                 if (piop->lpBytesReturned)
 346                                         copyout(&dwRet, (void*)(ULONG_PTR)piop->lpBytesReturned, sizeof(DWORD));
 347
 348                                 free(ke_area, M_DEVBUF);
 349                                 return length;
 350                         }
 351                         else  KdPrintW(("Kernel_ioctl(): return %d\n", err));
 352
 353                         free(ke_area, M_DEVBUF);
 354                         return -EINVAL;
 355                 } else  {
 356                 KdPrintW(("Wrong signature: %x\n", piop->Magic));
 357                 return -EINVAL;
 358                 }
 359 #endif
 360         }
 361
 362         return -EINVAL;
 363 }
 364
 365 #define shortswap(w) ((WORD)((w)>>8 | ((w) & 0xFF)<<8))
 366
 367 static void
 368 get_disk_name(char *name, PDevice pDev)
 369 {
 370         int i;
 371         MV_SATA_CHANNEL *pMvSataChannel = pDev->mv;
 372         IDENTIFY_DATA2 *pIdentifyData = (IDENTIFY_DATA2 *)pMvSataChannel->identifyDevice;
 373
 374         for (i = 0; i < 10; i++)
 375                 ((WORD*)name)[i] = shortswap(pIdentifyData->ModelNumber[i]);
 376         name[20] = '\0';
 377 }
 378
 379 static int
 380 hpt_copy_info(HPT_GET_INFO *pinfo, char *fmt, ...)
 381 {
 382         va_list ap;
 383
 384         if(fmt == NULL) {
 385                 *hptproc_buffer = 0;
 386                 return (SYSCTL_OUT(pinfo, hptproc_buffer, 1));
 387         }
 388         else
 389         {
 390                 va_start(ap, fmt);
 391                 vsnprintf(hptproc_buffer, sizeof(hptproc_buffer), fmt, ap);
 392                 va_end(ap);
 393                 return(SYSCTL_OUT(pinfo, hptproc_buffer, strlen(hptproc_buffer)));
 394         }
 395 }
 396
 397 static void
 398 hpt_copy_disk_info(HPT_GET_INFO *pinfo, PVDevice pVDev, UINT iChan)
 399 {
 400         char name[32], arrayname[16], *status;
 401
 402         get_disk_name(name, &pVDev->u.disk);
 403
 404         if (!pVDev->u.disk.df_on_line)
 405                 status = "Disabled";
 406         else if (pVDev->VDeviceType==VD_SPARE)
 407                 status = "Spare   ";
 408         else
 409                 status = "Normal  ";
 410
 411 #ifdef SUPPORT_ARRAY
 412         if(pVDev->pParent) {
 413                 memcpy(arrayname, pVDev->pParent->u.array.ArrayName, MAX_ARRAY_NAME);
 414                 if (pVDev->pParent->u.array.CriticalMembers & (1<<pVDev->bSerialNumber))
 415                         status = "Degraded";
 416         }
 417         else
 418 #endif
 419                 arrayname[0]=0;
 420
 421         hpt_copy_info(pinfo, "Channel %d  %s  %5dMB  %s %s\n",
 422                 iChan+1,
 423                 name, pVDev->VDeviceCapacity>>11, status, arrayname);
 424 }
 425
 426 #ifdef SUPPORT_ARRAY
 427 static void
 428 hpt_copy_array_info(HPT_GET_INFO *pinfo, int nld, PVDevice pArray)
 429 {
 430         int i;
 431         char *sType = NULL, *sStatus = NULL;
 432         char buf[32];
 433     PVDevice pTmpArray;
 434
 435         switch (pArray->VDeviceType) {
 436                 case VD_RAID_0:
 437                         for (i = 0; (UCHAR)i < pArray->u.array.bArnMember; i++)
 438                                 if(pArray->u.array.pMember[i])  {
 439                                         if(mIsArray(pArray->u.array.pMember[i]))
 440                                                 sType = "RAID 1/0   ";
 441                                                 /* TO DO */
 442                                         else
 443                                                 sType = "RAID 0     ";
 444                                         break;
 445                                 }
 446                         break;
 447
 448                 case VD_RAID_1:
 449                         sType = "RAID 1     ";
 450                         break;
 451
 452                 case VD_JBOD:
 453                         sType = "JBOD       ";
 454                         break;
 455
 456                 case VD_RAID_5:
 457                 sType = "RAID 5     ";
 458                         break;
 459
 460                 default:
 461                         sType = "N/A        ";
 462                         break;
 463         }
 464
 465         if (pArray->vf_online == 0)
 466                 sStatus = "Disabled";
 467         else if (pArray->u.array.rf_broken)
 468                 sStatus = "Critical";
 469         for (i = 0; (UCHAR)i < pArray->u.array.bArnMember; i++)
 470         {
 471                 if (!sStatus)
 472                 {
 473                         if(mIsArray(pArray->u.array.pMember[i]))
 474                                 pTmpArray = pArray->u.array.pMember[i];
 475                         else
 476                                 pTmpArray = pArray;
 477
 478                         if (pTmpArray->u.array.rf_rebuilding) {
 479 #ifdef DEBUG
 480                                 sprintf(buf, "Rebuilding %lldMB", (pTmpArray->u.array.RebuildSectors>>11));
 481 #else
 482                                 sprintf(buf, "Rebuilding %d%%", (UINT)((pTmpArray->u.array.RebuildSectors>>11)*100/((pTmpArray->VDeviceCapacity/(pTmpArray->u.array.bArnMember-1))>>11)));
 483 #endif
 484                                 sStatus = buf;
 485                         }
 486                         else if (pTmpArray->u.array.rf_verifying) {
 487                                 sprintf(buf, "Verifying %d%%", (UINT)((pTmpArray->u.array.RebuildSectors>>11)*100/((pTmpArray->VDeviceCapacity/(pTmpArray->u.array.bArnMember-1))>>11)));
 488                                 sStatus = buf;
 489                         }
 490                         else if (pTmpArray->u.array.rf_need_rebuild)
 491                                 sStatus = "Critical";
 492                         else if (pTmpArray->u.array.rf_broken)
 493                                 sStatus = "Critical";
 494
 495                         if(pTmpArray == pArray) goto out;
 496                 }
 497                 else
 498                         goto out;
 499         }
 500 out:
 501         if (!sStatus) sStatus = "Normal";
 502         hpt_copy_info(pinfo, "%2d  %11s  %-20s  %5lldMB  %-16s", nld, sType, pArray->u.array.ArrayName, pArray->VDeviceCapacity>>11, sStatus);
 503 }
 504 #endif
 505
 506 static int
 507 hpt_get_info(IAL_ADAPTER_T *pAdapter, HPT_GET_INFO *pinfo)
 508 {
 509         PVBus _vbus_p = &pAdapter->VBus;
 510         struct cam_periph *periph = NULL;
 511         UINT channel,j,i;
 512         PVDevice pVDev;
 513
 514 #ifndef FOR_DEMO
 515         mtx_lock(&pAdapter->lock);
 516         if (pAdapter->beeping) {
 517                 pAdapter->beeping = 0;
 518                 BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
 519         }
 520         mtx_unlock(&pAdapter->lock);
 521 #endif
 522
 523         hpt_copy_info(pinfo, "Controller #%d:\n\n", pAdapter->mvSataAdapter.adapterId);
 524
 525         hpt_copy_info(pinfo, "Physical device list\n");
 526         hpt_copy_info(pinfo, "Channel    Model                Capacity  Status   Array\n");
 527         hpt_copy_info(pinfo, "-------------------------------------------------------------------\n");
 528
 529     for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
 530         {
 531                 pVDev = &(pAdapter->VDevices[channel]);
 532                 if(pVDev->u.disk.df_on_line)
 533                          hpt_copy_disk_info(pinfo, pVDev, channel);
 534         }
 535
 536         hpt_copy_info(pinfo, "\nLogical device list\n");
 537         hpt_copy_info(pinfo, "No. Type         Name                 Capacity  Status            OsDisk\n");
 538         hpt_copy_info(pinfo, "--------------------------------------------------------------------------\n");
 539
 540         j=1;
 541         for(i = 0; i < MAX_VDEVICE_PER_VBUS; i++){
 542         pVDev = _vbus_p->pVDevice[i];
 543                 if(pVDev){
 544                         j=i+1;
 545 #ifdef SUPPORT_ARRAY
 546                         if (mIsArray(pVDev))
 547                         {
 548                 is_array:
 549                                 hpt_copy_array_info(pinfo, j, pVDev);
 550                         }
 551                         else
 552 #endif
 553                         {
 554                                 char name[32];
 555                                 /* it may be add to an array after driver loaded, check it */
 556 #ifdef SUPPORT_ARRAY
 557                                 if (pVDev->pParent)
 558                                         /* in this case, pVDev can only be a RAID 1 source disk. */
 559                                         if (pVDev->pParent->VDeviceType==VD_RAID_1 && pVDev==pVDev->pParent->u.array.pMember[0])
 560                                                 goto is_array;
 561 #endif
 562                                 get_disk_name(name, &pVDev->u.disk);
 563
 564                                 hpt_copy_info(pinfo, "%2d  %s  %s  %5dMB  %-16s",
 565                                         j, "Single disk", name, pVDev->VDeviceCapacity>>11,
 566                                         /* gmm 2001-6-19: Check if pDev has been added to an array. */
 567                                         ((pVDev->pParent) ? "Unavailable" : "Normal"));
 568                         }
 569                         periph = hpt_get_periph(pAdapter->mvSataAdapter.adapterId, i);
 570                         if (periph == NULL)
 571                                 hpt_copy_info(pinfo,"  %s\n","not registered");
 572                         else
 573                                 hpt_copy_info(pinfo,"  %s%d\n", periph->periph_name, periph->unit_number);
 574                  }
 575         }
 576         return 0;
 577 }
 578
 579 static __inline int
 580 hpt_proc_in(SYSCTL_HANDLER_ARGS, int *len)
 581 {
 582         int i, error=0;
 583
 584         *len = 0;
 585         if ((req->newlen - req->newidx) >= sizeof(hptproc_buffer)) {
 586                 error = EINVAL;
 587         } else {
 588                 i = (req->newlen - req->newidx);
 589                 error = SYSCTL_IN(req, hptproc_buffer, i);
 590                 if (!error)
 591                         *len = i;
 592                 (hptproc_buffer)[i] = '\0';
 593         }
 594         return (error);
 595 }
 596
 597 static int
 598 hpt_status(SYSCTL_HANDLER_ARGS)
 599 {
 600         int length, error=0, retval=0;
 601         IAL_ADAPTER_T *pAdapter;
 602
 603         error = hpt_proc_in(oidp, arg1, arg2, req, &length);
 604
 605     if (req->newptr != NULL)
 606         {
 607                 if (error || length == 0)
 608                 {
 609                 KdPrint(("error!\n"));
 610                 retval = EINVAL;
 611                 goto out;
 612                 }
 613
 614                 if (hpt_set_info(length) >= 0)
 615                         retval = 0;
 616                 else
 617                         retval = EINVAL;
 618                 goto out;
 619     }
 620
 621         hpt_copy_info(req, "%s Version %s\n", DRIVER_NAME, DRIVER_VERSION);
 622         for (pAdapter=gIal_Adapter; pAdapter; pAdapter=pAdapter->next) {
 623                 if (hpt_get_info(pAdapter, req) < 0) {
 624                         retval = EINVAL;
 625                         break;
 626                 }
 627         }
 628
 629         hpt_copy_info(req, NULL);
 630         goto out;
 631
 632 out:
 633         return (retval);
 634 }
 635
 636
 637 #define xhptregister_node(name) hptregister_node(name)
 638
 639 #if __FreeBSD_version >= 1100024
 640 #define hptregister_node(name) \
 641     SYSCTL_ROOT_NODE(OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, \
 642         "Get/Set " #name " state root node"); \
 643         SYSCTL_OID(_ ## name, OID_AUTO, status, \
 644             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT, \
 645             NULL, 0, hpt_status, "A", "Get/Set " #name " state")
 646 #else
 647 #define hptregister_node(name) \
 648         SYSCTL_NODE(, OID_AUTO, name, CTLFLAG_RW, 0, "Get/Set " #name " state root node"); \
 649         SYSCTL_OID(_ ## name, OID_AUTO, status, \
 650         CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, \
 651         NULL, 0, hpt_status, "A", "Get/Set " #name " state")
 652 #endif
 653
 654 xhptregister_node(PROC_DIR_NAME);