drivers/staging/bcm/Bcmchar.c

   1 #include <linux/fs.h>
   2
   3 #include "headers.h"
   4 /***************************************************************
   5 * Function        - bcm_char_open()
   6 *
   7 * Description - This is the "open" entry point for the character
   8 *                               driver.
   9 *
  10 * Parameters  - inode: Pointer to the Inode structure of char device
  11 *                               filp : File pointer of the char device
  12 *
  13 * Returns         - Zero(Success)
  14 ****************************************************************/
  15
  16 static int bcm_char_open(struct inode *inode, struct file *filp)
  17 {
  18         struct bcm_mini_adapter *Adapter = NULL;
  19         struct bcm_tarang_data *pTarang = NULL;
  20
  21         Adapter = GET_BCM_ADAPTER(gblpnetdev);
  22         pTarang = kzalloc(sizeof(struct bcm_tarang_data), GFP_KERNEL);
  23         if (!pTarang)
  24                 return -ENOMEM;
  25
  26         pTarang->Adapter = Adapter;
  27         pTarang->RxCntrlMsgBitMask = 0xFFFFFFFF & ~(1 << 0xB);
  28
  29         down(&Adapter->RxAppControlQueuelock);
  30         pTarang->next = Adapter->pTarangs;
  31         Adapter->pTarangs = pTarang;
  32         up(&Adapter->RxAppControlQueuelock);
  33
  34         /* Store the Adapter structure */
  35         filp->private_data = pTarang;
  36
  37         /* Start Queuing the control response Packets */
  38         atomic_inc(&Adapter->ApplicationRunning);
  39
  40         nonseekable_open(inode, filp);
  41         return 0;
  42 }
  43
  44 static int bcm_char_release(struct inode *inode, struct file *filp)
  45 {
  46         struct bcm_tarang_data *pTarang, *tmp, *ptmp;
  47         struct bcm_mini_adapter *Adapter = NULL;
  48         struct sk_buff *pkt, *npkt;
  49
  50         pTarang = (struct bcm_tarang_data *)filp->private_data;
  51
  52         if (pTarang == NULL)
  53                 return 0;
  54
  55         Adapter = pTarang->Adapter;
  56
  57         down(&Adapter->RxAppControlQueuelock);
  58
  59         tmp = Adapter->pTarangs;
  60         for (ptmp = NULL; tmp; ptmp = tmp, tmp = tmp->next) {
  61                 if (tmp == pTarang)
  62                         break;
  63         }
  64
  65         if (tmp) {
  66                 if (!ptmp)
  67                         Adapter->pTarangs = tmp->next;
  68                 else
  69                         ptmp->next = tmp->next;
  70         } else {
  71                 up(&Adapter->RxAppControlQueuelock);
  72                 return 0;
  73         }
  74
  75         pkt = pTarang->RxAppControlHead;
  76         while (pkt) {
  77                 npkt = pkt->next;
  78                 kfree_skb(pkt);
  79                 pkt = npkt;
  80         }
  81
  82         up(&Adapter->RxAppControlQueuelock);
  83
  84         /* Stop Queuing the control response Packets */
  85         atomic_dec(&Adapter->ApplicationRunning);
  86
  87         kfree(pTarang);
  88
  89         /* remove this filp from the asynchronously notified filp's */
  90         filp->private_data = NULL;
  91         return 0;
  92 }
  93
  94 static ssize_t bcm_char_read(struct file *filp, char __user *buf, size_t size,
  95                              loff_t *f_pos)
  96 {
  97         struct bcm_tarang_data *pTarang = filp->private_data;
  98         struct bcm_mini_adapter *Adapter = pTarang->Adapter;
  99         struct sk_buff *Packet = NULL;
 100         ssize_t PktLen = 0;
 101         int wait_ret_val = 0;
 102         unsigned long ret = 0;
 103
 104         wait_ret_val = wait_event_interruptible(Adapter->process_read_wait_queue,
 105                                                 (pTarang->RxAppControlHead ||
 106                                                  Adapter->device_removed));
 107         if ((wait_ret_val == -ERESTARTSYS)) {
 108                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 109                                 "Exiting as i've been asked to exit!!!\n");
 110                 return wait_ret_val;
 111         }
 112
 113         if (Adapter->device_removed) {
 114                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 115                                 "Device Removed... Killing the Apps...\n");
 116                 return -ENODEV;
 117         }
 118
 119         if (false == Adapter->fw_download_done)
 120                 return -EACCES;
 121
 122         down(&Adapter->RxAppControlQueuelock);
 123
 124         if (pTarang->RxAppControlHead) {
 125                 Packet = pTarang->RxAppControlHead;
 126                 DEQUEUEPACKET(pTarang->RxAppControlHead,
 127                               pTarang->RxAppControlTail);
 128                 pTarang->AppCtrlQueueLen--;
 129         }
 130
 131         up(&Adapter->RxAppControlQueuelock);
 132
 133         if (Packet) {
 134                 PktLen = Packet->len;
 135                 ret = copy_to_user(buf, Packet->data,
 136                                    min_t(size_t, PktLen, size));
 137                 if (ret) {
 138                         dev_kfree_skb(Packet);
 139                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 140                                         "Returning from copy to user failure\n");
 141                         return -EFAULT;
 142                 }
 143                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 144                                 "Read %zd Bytes From Adapter packet = %p by process %d!\n",
 145                                 PktLen, Packet, current->pid);
 146                 dev_kfree_skb(Packet);
 147         }
 148
 149         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "<\n");
 150         return PktLen;
 151 }
 152
 153 static int bcm_char_ioctl_reg_read_private(void __user *argp, struct bcm_mini_adapter *Adapter)
 154 {
 155         struct bcm_rdm_buffer sRdmBuffer = {0};
 156         struct bcm_ioctl_buffer IoBuffer;
 157         PCHAR temp_buff;
 158         INT Status = STATUS_FAILURE;
 159         UINT Bufflen;
 160         u16 temp_value;
 161         int bytes;
 162
 163         /* Copy Ioctl Buffer structure */
 164         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 165                 return -EFAULT;
 166
 167         if (IoBuffer.InputLength > sizeof(sRdmBuffer))
 168                 return -EINVAL;
 169
 170         if (copy_from_user(&sRdmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
 171                 return -EFAULT;
 172
 173         if (IoBuffer.OutputLength > USHRT_MAX ||
 174                 IoBuffer.OutputLength == 0) {
 175                 return -EINVAL;
 176         }
 177
 178         Bufflen = IoBuffer.OutputLength;
 179         temp_value = 4 - (Bufflen % 4);
 180         Bufflen += temp_value % 4;
 181
 182         temp_buff = kmalloc(Bufflen, GFP_KERNEL);
 183         if (!temp_buff)
 184                 return -ENOMEM;
 185
 186         bytes = rdmalt(Adapter, (UINT)sRdmBuffer.Register,
 187                         (PUINT)temp_buff, Bufflen);
 188         if (bytes > 0) {
 189                 Status = STATUS_SUCCESS;
 190                 if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, bytes)) {
 191                         kfree(temp_buff);
 192                         return -EFAULT;
 193                 }
 194         } else {
 195                 Status = bytes;
 196         }
 197
 198         kfree(temp_buff);
 199         return Status;
 200 }
 201
 202 static int bcm_char_ioctl_reg_write_private(void __user *argp, struct bcm_mini_adapter *Adapter)
 203 {
 204         struct bcm_wrm_buffer sWrmBuffer = {0};
 205         struct bcm_ioctl_buffer IoBuffer;
 206         UINT uiTempVar = 0;
 207         INT Status;
 208
 209         /* Copy Ioctl Buffer structure */
 210
 211         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 212                 return -EFAULT;
 213
 214         if (IoBuffer.InputLength > sizeof(sWrmBuffer))
 215                 return -EINVAL;
 216
 217         /* Get WrmBuffer structure */
 218         if (copy_from_user(&sWrmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
 219                 return -EFAULT;
 220
 221         uiTempVar = sWrmBuffer.Register & EEPROM_REJECT_MASK;
 222         if (!((Adapter->pstargetparams->m_u32Customize) & VSG_MODE) &&
 223                 ((uiTempVar == EEPROM_REJECT_REG_1) ||
 224                         (uiTempVar == EEPROM_REJECT_REG_2) ||
 225                         (uiTempVar == EEPROM_REJECT_REG_3) ||
 226                         (uiTempVar == EEPROM_REJECT_REG_4))) {
 227
 228                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 229                                 "EEPROM Access Denied, not in VSG Mode\n");
 230                 return -EFAULT;
 231         }
 232
 233         Status = wrmalt(Adapter, (UINT)sWrmBuffer.Register,
 234                         (PUINT)sWrmBuffer.Data, sizeof(ULONG));
 235
 236         if (Status == STATUS_SUCCESS) {
 237                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 238                                 DBG_LVL_ALL, "WRM Done\n");
 239         } else {
 240                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 241                                 DBG_LVL_ALL, "WRM Failed\n");
 242                 Status = -EFAULT;
 243         }
 244         return Status;
 245 }
 246
 247 static int bcm_char_ioctl_eeprom_reg_read(void __user *argp, struct bcm_mini_adapter *Adapter)
 248 {
 249         struct bcm_rdm_buffer sRdmBuffer = {0};
 250         struct bcm_ioctl_buffer IoBuffer;
 251         PCHAR temp_buff = NULL;
 252         UINT uiTempVar = 0;
 253         INT Status;
 254         int bytes;
 255
 256         if ((Adapter->IdleMode == TRUE) ||
 257                 (Adapter->bShutStatus == TRUE) ||
 258                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
 259
 260                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 261                                 "Device in Idle Mode, Blocking Rdms\n");
 262                 return -EACCES;
 263         }
 264
 265         /* Copy Ioctl Buffer structure */
 266         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 267                 return -EFAULT;
 268
 269         if (IoBuffer.InputLength > sizeof(sRdmBuffer))
 270                 return -EINVAL;
 271
 272         if (copy_from_user(&sRdmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
 273                 return -EFAULT;
 274
 275         if (IoBuffer.OutputLength > USHRT_MAX ||
 276                 IoBuffer.OutputLength == 0) {
 277                 return -EINVAL;
 278         }
 279
 280         temp_buff = kmalloc(IoBuffer.OutputLength, GFP_KERNEL);
 281         if (!temp_buff)
 282                 return STATUS_FAILURE;
 283
 284         if ((((ULONG)sRdmBuffer.Register & 0x0F000000) != 0x0F000000) ||
 285                 ((ULONG)sRdmBuffer.Register & 0x3)) {
 286
 287                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 288                                 "RDM Done On invalid Address : %x Access Denied.\n",
 289                                 (int)sRdmBuffer.Register);
 290
 291                 kfree(temp_buff);
 292                 return -EINVAL;
 293         }
 294
 295         uiTempVar = sRdmBuffer.Register & EEPROM_REJECT_MASK;
 296         bytes = rdmaltWithLock(Adapter, (UINT)sRdmBuffer.Register,
 297                                (PUINT)temp_buff, IoBuffer.OutputLength);
 298
 299         if (bytes > 0) {
 300                 Status = STATUS_SUCCESS;
 301                 if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, bytes)) {
 302                         kfree(temp_buff);
 303                         return -EFAULT;
 304                 }
 305         } else {
 306                 Status = bytes;
 307         }
 308
 309         kfree(temp_buff);
 310         return Status;
 311 }
 312
 313 static int bcm_char_ioctl_eeprom_reg_write(void __user *argp, struct bcm_mini_adapter *Adapter, UINT cmd)
 314 {
 315         struct bcm_wrm_buffer sWrmBuffer = {0};
 316         struct bcm_ioctl_buffer IoBuffer;
 317         UINT uiTempVar = 0;
 318         INT Status;
 319
 320         if ((Adapter->IdleMode == TRUE) ||
 321                 (Adapter->bShutStatus == TRUE) ||
 322                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
 323
 324                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 325                                 "Device in Idle Mode, Blocking Wrms\n");
 326                 return -EACCES;
 327         }
 328
 329         /* Copy Ioctl Buffer structure */
 330         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 331                 return -EFAULT;
 332
 333         if (IoBuffer.InputLength > sizeof(sWrmBuffer))
 334                 return -EINVAL;
 335
 336         /* Get WrmBuffer structure */
 337         if (copy_from_user(&sWrmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
 338                 return -EFAULT;
 339
 340         if ((((ULONG)sWrmBuffer.Register & 0x0F000000) != 0x0F000000) ||
 341                 ((ULONG)sWrmBuffer.Register & 0x3)) {
 342
 343                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 344                                 "WRM Done On invalid Address : %x Access Denied.\n",
 345                                 (int)sWrmBuffer.Register);
 346                 return -EINVAL;
 347         }
 348
 349         uiTempVar = sWrmBuffer.Register & EEPROM_REJECT_MASK;
 350         if (!((Adapter->pstargetparams->m_u32Customize) & VSG_MODE) &&
 351                         ((uiTempVar == EEPROM_REJECT_REG_1) ||
 352                         (uiTempVar == EEPROM_REJECT_REG_2) ||
 353                         (uiTempVar == EEPROM_REJECT_REG_3) ||
 354                         (uiTempVar == EEPROM_REJECT_REG_4)) &&
 355                         (cmd == IOCTL_BCM_REGISTER_WRITE)) {
 356
 357                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 358                                         "EEPROM Access Denied, not in VSG Mode\n");
 359                         return -EFAULT;
 360         }
 361
 362         Status = wrmaltWithLock(Adapter, (UINT)sWrmBuffer.Register,
 363                                 (PUINT)sWrmBuffer.Data,
 364                                 sWrmBuffer.Length);
 365
 366         if (Status == STATUS_SUCCESS) {
 367                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, OSAL_DBG,
 368                                 DBG_LVL_ALL, "WRM Done\n");
 369         } else {
 370                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 371                                 DBG_LVL_ALL, "WRM Failed\n");
 372                 Status = -EFAULT;
 373         }
 374         return Status;
 375 }
 376
 377 static int bcm_char_ioctl_gpio_set_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 378 {
 379         struct bcm_gpio_info gpio_info = {0};
 380         struct bcm_ioctl_buffer IoBuffer;
 381         UCHAR ucResetValue[4];
 382         UINT value = 0;
 383         UINT uiBit = 0;
 384         UINT uiOperation = 0;
 385         INT Status;
 386         int bytes;
 387
 388         if ((Adapter->IdleMode == TRUE) ||
 389                 (Adapter->bShutStatus == TRUE) ||
 390                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
 391
 392                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 393                                 DBG_LVL_ALL,
 394                                 "GPIO Can't be set/clear in Low power Mode");
 395                 return -EACCES;
 396         }
 397
 398         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 399                 return -EFAULT;
 400
 401         if (IoBuffer.InputLength > sizeof(gpio_info))
 402                 return -EINVAL;
 403
 404         if (copy_from_user(&gpio_info, IoBuffer.InputBuffer, IoBuffer.InputLength))
 405                 return -EFAULT;
 406
 407         uiBit  = gpio_info.uiGpioNumber;
 408         uiOperation = gpio_info.uiGpioValue;
 409         value = (1<<uiBit);
 410
 411         if (IsReqGpioIsLedInNVM(Adapter, value) == false) {
 412                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 413                                 DBG_LVL_ALL,
 414                                 "Sorry, Requested GPIO<0x%X> is not correspond to LED !!!",
 415                                 value);
 416                 return -EINVAL;
 417         }
 418
 419         /* Set - setting 1 */
 420         if (uiOperation) {
 421                 /* Set the gpio output register */
 422                 Status = wrmaltWithLock(Adapter,
 423                                         BCM_GPIO_OUTPUT_SET_REG,
 424                                         (PUINT)(&value), sizeof(UINT));
 425
 426                 if (Status == STATUS_SUCCESS) {
 427                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 428                                         OSAL_DBG, DBG_LVL_ALL,
 429                                         "Set the GPIO bit\n");
 430                 } else {
 431                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 432                                         OSAL_DBG, DBG_LVL_ALL,
 433                                         "Failed to set the %dth GPIO\n",
 434                                         uiBit);
 435                         return Status;
 436                 }
 437         } else {
 438                 /* Set the gpio output register */
 439                 Status = wrmaltWithLock(Adapter,
 440                                         BCM_GPIO_OUTPUT_CLR_REG,
 441                                         (PUINT)(&value), sizeof(UINT));
 442
 443                 if (Status == STATUS_SUCCESS) {
 444                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 445                                         OSAL_DBG, DBG_LVL_ALL,
 446                                         "Set the GPIO bit\n");
 447                 } else {
 448                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 449                                         OSAL_DBG, DBG_LVL_ALL,
 450                                         "Failed to clear the %dth GPIO\n",
 451                                         uiBit);
 452                         return Status;
 453                 }
 454         }
 455
 456         bytes = rdmaltWithLock(Adapter, (UINT)GPIO_MODE_REGISTER,
 457                                (PUINT)ucResetValue, sizeof(UINT));
 458         if (bytes < 0) {
 459                 Status = bytes;
 460                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 461                                 "GPIO_MODE_REGISTER read failed");
 462                 return Status;
 463         } else {
 464                 Status = STATUS_SUCCESS;
 465         }
 466
 467         /* Set the gpio mode register to output */
 468         *(UINT *)ucResetValue |= (1<<uiBit);
 469         Status = wrmaltWithLock(Adapter, GPIO_MODE_REGISTER,
 470                                 (PUINT)ucResetValue, sizeof(UINT));
 471
 472         if (Status == STATUS_SUCCESS) {
 473                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 474                                 DBG_LVL_ALL,
 475                                 "Set the GPIO to output Mode\n");
 476         } else {
 477                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 478                                 DBG_LVL_ALL,
 479                                 "Failed to put GPIO in Output Mode\n");
 480         }
 481
 482         return Status;
 483 }
 484
 485 static int bcm_char_ioctl_led_thread_state_change_req(void __user *argp, struct bcm_mini_adapter *Adapter)
 486 {
 487         struct bcm_user_thread_req threadReq = {0};
 488         struct bcm_ioctl_buffer IoBuffer;
 489
 490         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 491                         "User made LED thread InActive");
 492
 493         if ((Adapter->IdleMode == TRUE) ||
 494                 (Adapter->bShutStatus == TRUE) ||
 495                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
 496
 497                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 498                                 DBG_LVL_ALL,
 499                                 "GPIO Can't be set/clear in Low power Mode");
 500                 return -EACCES;
 501         }
 502
 503         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 504                 return -EFAULT;
 505
 506         if (IoBuffer.InputLength > sizeof(threadReq))
 507                 return -EINVAL;
 508
 509         if (copy_from_user(&threadReq, IoBuffer.InputBuffer, IoBuffer.InputLength))
 510                 return -EFAULT;
 511
 512         /* if LED thread is running(Actively or Inactively) set it state to make inactive */
 513         if (Adapter->LEDInfo.led_thread_running) {
 514                 if (threadReq.ThreadState == LED_THREAD_ACTIVATION_REQ) {
 515                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 516                                         OSAL_DBG, DBG_LVL_ALL,
 517                                         "Activating thread req");
 518                         Adapter->DriverState = LED_THREAD_ACTIVE;
 519                 } else {
 520                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 521                                         OSAL_DBG, DBG_LVL_ALL,
 522                                         "DeActivating Thread req.....");
 523                         Adapter->DriverState = LED_THREAD_INACTIVE;
 524                 }
 525
 526                 /* signal thread. */
 527                 wake_up(&Adapter->LEDInfo.notify_led_event);
 528         }
 529         return STATUS_SUCCESS;
 530 }
 531
 532 static int bcm_char_ioctl_gpio_status_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 533 {
 534         struct bcm_gpio_info gpio_info = {0};
 535         struct bcm_ioctl_buffer IoBuffer;
 536         ULONG uiBit = 0;
 537         UCHAR ucRead[4];
 538         INT Status;
 539         int bytes;
 540
 541         if ((Adapter->IdleMode == TRUE) ||
 542                 (Adapter->bShutStatus == TRUE) ||
 543                 (Adapter->bPreparingForLowPowerMode == TRUE))
 544                 return -EACCES;
 545
 546         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 547                 return -EFAULT;
 548
 549         if (IoBuffer.InputLength > sizeof(gpio_info))
 550                 return -EINVAL;
 551
 552         if (copy_from_user(&gpio_info, IoBuffer.InputBuffer, IoBuffer.InputLength))
 553                 return -EFAULT;
 554
 555         uiBit = gpio_info.uiGpioNumber;
 556
 557         /* Set the gpio output register */
 558         bytes = rdmaltWithLock(Adapter, (UINT)GPIO_PIN_STATE_REGISTER,
 559                                 (PUINT)ucRead, sizeof(UINT));
 560
 561         if (bytes < 0) {
 562                 Status = bytes;
 563                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 564                                 "RDM Failed\n");
 565                 return Status;
 566         } else {
 567                 Status = STATUS_SUCCESS;
 568         }
 569         return Status;
 570 }
 571
 572 static int bcm_char_ioctl_gpio_multi_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 573 {
 574         struct bcm_gpio_multi_info gpio_multi_info[MAX_IDX];
 575         struct bcm_gpio_multi_info *pgpio_multi_info = (struct bcm_gpio_multi_info *)gpio_multi_info;
 576         struct bcm_ioctl_buffer IoBuffer;
 577         UCHAR ucResetValue[4];
 578         INT Status = STATUS_FAILURE;
 579         int bytes;
 580
 581         memset(pgpio_multi_info, 0, MAX_IDX * sizeof(struct bcm_gpio_multi_info));
 582
 583         if ((Adapter->IdleMode == TRUE) ||
 584                 (Adapter->bShutStatus == TRUE) ||
 585                 (Adapter->bPreparingForLowPowerMode == TRUE))
 586                 return -EINVAL;
 587
 588         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 589                 return -EFAULT;
 590
 591         if (IoBuffer.InputLength > sizeof(gpio_multi_info))
 592                 return -EINVAL;
 593
 594         if (copy_from_user(&gpio_multi_info, IoBuffer.InputBuffer, IoBuffer.InputLength))
 595                 return -EFAULT;
 596
 597         if (IsReqGpioIsLedInNVM(Adapter, pgpio_multi_info[WIMAX_IDX].uiGPIOMask) == false) {
 598                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 599                                 DBG_LVL_ALL,
 600                                 "Sorry, Requested GPIO<0x%X> is not correspond to NVM LED bit map<0x%X>!!!",
 601                                 pgpio_multi_info[WIMAX_IDX].uiGPIOMask,
 602                                 Adapter->gpioBitMap);
 603                 return -EINVAL;
 604         }
 605
 606         /* Set the gpio output register */
 607         if ((pgpio_multi_info[WIMAX_IDX].uiGPIOMask) &
 608                 (pgpio_multi_info[WIMAX_IDX].uiGPIOCommand)) {
 609                 /* Set 1's in GPIO OUTPUT REGISTER */
 610                 *(UINT *)ucResetValue =  pgpio_multi_info[WIMAX_IDX].uiGPIOMask &
 611                         pgpio_multi_info[WIMAX_IDX].uiGPIOCommand &
 612                         pgpio_multi_info[WIMAX_IDX].uiGPIOValue;
 613
 614                 if (*(UINT *) ucResetValue)
 615                         Status = wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_SET_REG,
 616                                                 (PUINT)ucResetValue, sizeof(ULONG));
 617
 618                 if (Status != STATUS_SUCCESS) {
 619                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 620                                         "WRM to BCM_GPIO_OUTPUT_SET_REG Failed.");
 621                         return Status;
 622                 }
 623
 624                 /* Clear to 0's in GPIO OUTPUT REGISTER */
 625                 *(UINT *)ucResetValue = (pgpio_multi_info[WIMAX_IDX].uiGPIOMask &
 626                                         pgpio_multi_info[WIMAX_IDX].uiGPIOCommand &
 627                                         (~(pgpio_multi_info[WIMAX_IDX].uiGPIOValue)));
 628
 629                 if (*(UINT *) ucResetValue)
 630                         Status = wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_CLR_REG, (PUINT)ucResetValue, sizeof(ULONG));
 631
 632                 if (Status != STATUS_SUCCESS) {
 633                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 634                                         "WRM to BCM_GPIO_OUTPUT_CLR_REG Failed.");
 635                         return Status;
 636                 }
 637         }
 638
 639         if (pgpio_multi_info[WIMAX_IDX].uiGPIOMask) {
 640                 bytes = rdmaltWithLock(Adapter, (UINT)GPIO_PIN_STATE_REGISTER, (PUINT)ucResetValue, sizeof(UINT));
 641
 642                 if (bytes < 0) {
 643                         Status = bytes;
 644                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 645                                         "RDM to GPIO_PIN_STATE_REGISTER Failed.");
 646                         return Status;
 647                 } else {
 648                         Status = STATUS_SUCCESS;
 649                 }
 650
 651                 pgpio_multi_info[WIMAX_IDX].uiGPIOValue = (*(UINT *)ucResetValue &
 652                                                         pgpio_multi_info[WIMAX_IDX].uiGPIOMask);
 653         }
 654
 655         Status = copy_to_user(IoBuffer.OutputBuffer, &gpio_multi_info, IoBuffer.OutputLength);
 656         if (Status) {
 657                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 658                                 "Failed while copying Content to IOBufer for user space err:%d", Status);
 659                 return -EFAULT;
 660         }
 661         return Status;
 662 }
 663
 664 static int bcm_char_ioctl_gpio_mode_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 665 {
 666         struct bcm_gpio_multi_mode gpio_multi_mode[MAX_IDX];
 667         struct bcm_gpio_multi_mode *pgpio_multi_mode = (struct bcm_gpio_multi_mode *)gpio_multi_mode;
 668         struct bcm_ioctl_buffer IoBuffer;
 669         UCHAR ucResetValue[4];
 670         INT Status;
 671         int bytes;
 672
 673         if ((Adapter->IdleMode == TRUE) ||
 674                 (Adapter->bShutStatus == TRUE) ||
 675                 (Adapter->bPreparingForLowPowerMode == TRUE))
 676                 return -EINVAL;
 677
 678         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 679                 return -EFAULT;
 680
 681         if (IoBuffer.InputLength > sizeof(gpio_multi_mode))
 682                 return -EINVAL;
 683
 684         if (copy_from_user(&gpio_multi_mode, IoBuffer.InputBuffer, IoBuffer.InputLength))
 685                 return -EFAULT;
 686
 687         bytes = rdmaltWithLock(Adapter, (UINT)GPIO_MODE_REGISTER, (PUINT)ucResetValue, sizeof(UINT));
 688
 689         if (bytes < 0) {
 690                 Status = bytes;
 691                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Read of GPIO_MODE_REGISTER failed");
 692                 return Status;
 693         } else {
 694                 Status = STATUS_SUCCESS;
 695         }
 696
 697         /* Validating the request */
 698         if (IsReqGpioIsLedInNVM(Adapter, pgpio_multi_mode[WIMAX_IDX].uiGPIOMask) == false) {
 699                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 700                                 "Sorry, Requested GPIO<0x%X> is not correspond to NVM LED bit map<0x%X>!!!",
 701                                 pgpio_multi_mode[WIMAX_IDX].uiGPIOMask, Adapter->gpioBitMap);
 702                 return -EINVAL;
 703         }
 704
 705         if (pgpio_multi_mode[WIMAX_IDX].uiGPIOMask) {
 706                 /* write all OUT's (1's) */
 707                 *(UINT *) ucResetValue |= (pgpio_multi_mode[WIMAX_IDX].uiGPIOMode &
 708                                         pgpio_multi_mode[WIMAX_IDX].uiGPIOMask);
 709
 710                 /* write all IN's (0's) */
 711                 *(UINT *) ucResetValue &= ~((~pgpio_multi_mode[WIMAX_IDX].uiGPIOMode) &
 712                                         pgpio_multi_mode[WIMAX_IDX].uiGPIOMask);
 713
 714                 /* Currently implemented return the modes of all GPIO's
 715                  * else needs to bit AND with  mask
 716                  */
 717                 pgpio_multi_mode[WIMAX_IDX].uiGPIOMode = *(UINT *)ucResetValue;
 718
 719                 Status = wrmaltWithLock(Adapter, GPIO_MODE_REGISTER, (PUINT)ucResetValue, sizeof(ULONG));
 720                 if (Status == STATUS_SUCCESS) {
 721                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 722                                         "WRM to GPIO_MODE_REGISTER Done");
 723                 } else {
 724                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 725                                         "WRM to GPIO_MODE_REGISTER Failed");
 726                         return -EFAULT;
 727                 }
 728         } else {
 729                 /* if uiGPIOMask is 0 then return mode register configuration */
 730                 pgpio_multi_mode[WIMAX_IDX].uiGPIOMode = *(UINT *)ucResetValue;
 731         }
 732
 733         Status = copy_to_user(IoBuffer.OutputBuffer, &gpio_multi_mode, IoBuffer.OutputLength);
 734         if (Status) {
 735                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 736                                 "Failed while copying Content to IOBufer for user space err:%d", Status);
 737                 return -EFAULT;
 738         }
 739         return Status;
 740 }
 741
 742 static int bcm_char_ioctl_misc_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 743 {
 744         struct bcm_ioctl_buffer IoBuffer;
 745         PVOID pvBuffer = NULL;
 746         INT Status;
 747
 748         /* Copy Ioctl Buffer structure */
 749         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 750                 return -EFAULT;
 751
 752         if (IoBuffer.InputLength < sizeof(struct bcm_link_request))
 753                 return -EINVAL;
 754
 755         if (IoBuffer.InputLength > MAX_CNTL_PKT_SIZE)
 756                 return -EINVAL;
 757
 758         pvBuffer = memdup_user(IoBuffer.InputBuffer,
 759                                IoBuffer.InputLength);
 760         if (IS_ERR(pvBuffer))
 761                 return PTR_ERR(pvBuffer);
 762
 763         down(&Adapter->LowPowerModeSync);
 764         Status = wait_event_interruptible_timeout(Adapter->lowpower_mode_wait_queue,
 765                                                 !Adapter->bPreparingForLowPowerMode,
 766                                                 (1 * HZ));
 767         if (Status == -ERESTARTSYS)
 768                 goto cntrlEnd;
 769
 770         if (Adapter->bPreparingForLowPowerMode) {
 771                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 772                                 "Preparing Idle Mode is still True - Hence Rejecting control message\n");
 773                 Status = STATUS_FAILURE;
 774                 goto cntrlEnd;
 775         }
 776         Status = CopyBufferToControlPacket(Adapter, (PVOID)pvBuffer);
 777
 778 cntrlEnd:
 779         up(&Adapter->LowPowerModeSync);
 780         kfree(pvBuffer);
 781         return Status;
 782 }
 783
 784 static int bcm_char_ioctl_buffer_download_start(struct bcm_mini_adapter *Adapter)
 785 {
 786         INT Status;
 787
 788         if (down_trylock(&Adapter->NVMRdmWrmLock)) {
 789                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 790                                 "IOCTL_BCM_CHIP_RESET not allowed as EEPROM Read/Write is in progress\n");
 791                 return -EACCES;
 792         }
 793
 794         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 795                         "Starting the firmware download PID =0x%x!!!!\n", current->pid);
 796
 797         if (down_trylock(&Adapter->fw_download_sema))
 798                 return -EBUSY;
 799
 800         Adapter->bBinDownloaded = false;
 801         Adapter->fw_download_process_pid = current->pid;
 802         Adapter->bCfgDownloaded = false;
 803         Adapter->fw_download_done = false;
 804         netif_carrier_off(Adapter->dev);
 805         netif_stop_queue(Adapter->dev);
 806         Status = reset_card_proc(Adapter);
 807         if (Status) {
 808                 pr_err(PFX "%s: reset_card_proc Failed!\n", Adapter->dev->name);
 809                 up(&Adapter->fw_download_sema);
 810                 up(&Adapter->NVMRdmWrmLock);
 811                 return Status;
 812         }
 813         mdelay(10);
 814
 815         up(&Adapter->NVMRdmWrmLock);
 816         return Status;
 817 }
 818
 819 static int bcm_char_ioctl_buffer_download(void __user *argp, struct bcm_mini_adapter *Adapter)
 820 {
 821         struct bcm_firmware_info *psFwInfo = NULL;
 822         struct bcm_ioctl_buffer IoBuffer;
 823         INT Status;
 824
 825         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Starting the firmware download PID =0x%x!!!!\n", current->pid);
 826
 827         if (!down_trylock(&Adapter->fw_download_sema)) {
 828                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 829                                 "Invalid way to download buffer. Use Start and then call this!!!\n");
 830                 up(&Adapter->fw_download_sema);
 831                 return -EINVAL;
 832         }
 833
 834         /* Copy Ioctl Buffer structure */
 835         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
 836                 up(&Adapter->fw_download_sema);
 837                 return -EFAULT;
 838         }
 839
 840         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 841                         "Length for FW DLD is : %lx\n", IoBuffer.InputLength);
 842
 843         if (IoBuffer.InputLength > sizeof(struct bcm_firmware_info)) {
 844                 up(&Adapter->fw_download_sema);
 845                 return -EINVAL;
 846         }
 847
 848         psFwInfo = kmalloc(sizeof(*psFwInfo), GFP_KERNEL);
 849         if (!psFwInfo) {
 850                 up(&Adapter->fw_download_sema);
 851                 return -ENOMEM;
 852         }
 853
 854         if (copy_from_user(psFwInfo, IoBuffer.InputBuffer, IoBuffer.InputLength)) {
 855                 up(&Adapter->fw_download_sema);
 856                 kfree(psFwInfo);
 857                 return -EFAULT;
 858         }
 859
 860         if (!psFwInfo->pvMappedFirmwareAddress ||
 861                 (psFwInfo->u32FirmwareLength == 0)) {
 862
 863                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Something else is wrong %lu\n",
 864                                 psFwInfo->u32FirmwareLength);
 865                 up(&Adapter->fw_download_sema);
 866                 kfree(psFwInfo);
 867                 Status = -EINVAL;
 868                 return Status;
 869         }
 870
 871         Status = bcm_ioctl_fw_download(Adapter, psFwInfo);
 872
 873         if (Status != STATUS_SUCCESS) {
 874                 if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR)
 875                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL: Configuration File Upload Failed\n");
 876                 else
 877                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL: Firmware File Upload Failed\n");
 878
 879                 /* up(&Adapter->fw_download_sema); */
 880
 881                 if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
 882                         Adapter->DriverState = DRIVER_INIT;
 883                         Adapter->LEDInfo.bLedInitDone = false;
 884                         wake_up(&Adapter->LEDInfo.notify_led_event);
 885                 }
 886         }
 887
 888         if (Status != STATUS_SUCCESS)
 889                 up(&Adapter->fw_download_sema);
 890
 891         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, OSAL_DBG, DBG_LVL_ALL, "IOCTL: Firmware File Uploaded\n");
 892         kfree(psFwInfo);
 893         return Status;
 894 }
 895
 896 static int bcm_char_ioctl_buffer_download_stop(void __user *argp, struct bcm_mini_adapter *Adapter)
 897 {
 898         INT Status;
 899         int timeout = 0;
 900
 901         if (!down_trylock(&Adapter->fw_download_sema)) {
 902                 up(&Adapter->fw_download_sema);
 903                 return -EINVAL;
 904         }
 905
 906         if (down_trylock(&Adapter->NVMRdmWrmLock)) {
 907                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 908                                 "FW download blocked as EEPROM Read/Write is in progress\n");
 909                 up(&Adapter->fw_download_sema);
 910                 return -EACCES;
 911         }
 912
 913         Adapter->bBinDownloaded = TRUE;
 914         Adapter->bCfgDownloaded = TRUE;
 915         atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
 916         Adapter->CurrNumRecvDescs = 0;
 917         Adapter->downloadDDR = 0;
 918
 919         /* setting the Mips to Run */
 920         Status = run_card_proc(Adapter);
 921
 922         if (Status) {
 923                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Firm Download Failed\n");
 924                 up(&Adapter->fw_download_sema);
 925                 up(&Adapter->NVMRdmWrmLock);
 926                 return Status;
 927         } else {
 928                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 929                                 DBG_LVL_ALL, "Firm Download Over...\n");
 930         }
 931
 932         mdelay(10);
 933
 934         /* Wait for MailBox Interrupt */
 935         if (StartInterruptUrb((struct bcm_interface_adapter *)Adapter->pvInterfaceAdapter))
 936                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Unable to send interrupt...\n");
 937
 938         timeout = 5*HZ;
 939         Adapter->waiting_to_fw_download_done = false;
 940         wait_event_timeout(Adapter->ioctl_fw_dnld_wait_queue,
 941                         Adapter->waiting_to_fw_download_done, timeout);
 942         Adapter->fw_download_process_pid = INVALID_PID;
 943         Adapter->fw_download_done = TRUE;
 944         atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
 945         Adapter->CurrNumRecvDescs = 0;
 946         Adapter->PrevNumRecvDescs = 0;
 947         atomic_set(&Adapter->cntrlpktCnt, 0);
 948         Adapter->LinkUpStatus = 0;
 949         Adapter->LinkStatus = 0;
 950
 951         if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
 952                 Adapter->DriverState = FW_DOWNLOAD_DONE;
 953                 wake_up(&Adapter->LEDInfo.notify_led_event);
 954         }
 955
 956         if (!timeout)
 957                 Status = -ENODEV;
 958
 959         up(&Adapter->fw_download_sema);
 960         up(&Adapter->NVMRdmWrmLock);
 961         return Status;
 962 }
 963
 964 static int bcm_char_ioctl_chip_reset(struct bcm_mini_adapter *Adapter)
 965 {
 966         INT Status;
 967         INT NVMAccess;
 968
 969         NVMAccess = down_trylock(&Adapter->NVMRdmWrmLock);
 970         if (NVMAccess) {
 971                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, " IOCTL_BCM_CHIP_RESET not allowed as EEPROM Read/Write is in progress\n");
 972                 return -EACCES;
 973         }
 974
 975         down(&Adapter->RxAppControlQueuelock);
 976         Status = reset_card_proc(Adapter);
 977         flushAllAppQ();
 978         up(&Adapter->RxAppControlQueuelock);
 979         up(&Adapter->NVMRdmWrmLock);
 980         ResetCounters(Adapter);
 981         return Status;
 982 }
 983
 984 static int bcm_char_ioctl_qos_threshold(ULONG arg, struct bcm_mini_adapter *Adapter)
 985 {
 986         USHORT uiLoopIndex;
 987
 988         for (uiLoopIndex = 0; uiLoopIndex < NO_OF_QUEUES; uiLoopIndex++) {
 989                 if (get_user(Adapter->PackInfo[uiLoopIndex].uiThreshold,
 990                                 (unsigned long __user *)arg)) {
 991                         return -EFAULT;
 992                 }
 993         }
 994         return 0;
 995 }
 996
 997 static int bcm_char_ioctl_switch_transfer_mode(void __user *argp, struct bcm_mini_adapter *Adapter)
 998 {
 999         UINT uiData = 0;
1000
1001         if (copy_from_user(&uiData, argp, sizeof(UINT)))
1002                 return -EFAULT;
1003
1004         if (uiData) {
1005                 /* Allow All Packets */
1006                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: ETH_PACKET_TUNNELING_MODE\n");
1007                         Adapter->TransferMode = ETH_PACKET_TUNNELING_MODE;
1008         } else {
1009                 /* Allow IP only Packets */
1010                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: IP_PACKET_ONLY_MODE\n");
1011                 Adapter->TransferMode = IP_PACKET_ONLY_MODE;
1012         }
1013         return STATUS_SUCCESS;
1014 }
1015
1016 static int bcm_char_ioctl_get_driver_version(void __user *argp)
1017 {
1018         struct bcm_ioctl_buffer IoBuffer;
1019         ulong len;
1020
1021         /* Copy Ioctl Buffer structure */
1022         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1023                 return -EFAULT;
1024
1025         len = min_t(ulong, IoBuffer.OutputLength, strlen(DRV_VERSION) + 1);
1026
1027         if (copy_to_user(IoBuffer.OutputBuffer, DRV_VERSION, len))
1028                 return -EFAULT;
1029
1030         return STATUS_SUCCESS;
1031 }
1032
1033
1034 static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
1035 {
1036         struct bcm_tarang_data *pTarang = filp->private_data;
1037         void __user *argp = (void __user *)arg;
1038         struct bcm_mini_adapter *Adapter = pTarang->Adapter;
1039         INT Status = STATUS_FAILURE;
1040         struct bcm_ioctl_buffer IoBuffer;
1041
1042         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
1043                         "Parameters Passed to control IOCTL cmd=0x%X arg=0x%lX",
1044                         cmd, arg);
1045
1046         if (_IOC_TYPE(cmd) != BCM_IOCTL)
1047                 return -EFAULT;
1048         if (_IOC_DIR(cmd) & _IOC_READ)
1049                 Status = !access_ok(VERIFY_WRITE, argp, _IOC_SIZE(cmd));
1050         else if (_IOC_DIR(cmd) & _IOC_WRITE)
1051                 Status = !access_ok(VERIFY_READ, argp, _IOC_SIZE(cmd));
1052         else if (_IOC_NONE == (_IOC_DIR(cmd) & _IOC_NONE))
1053                 Status = STATUS_SUCCESS;
1054
1055         if (Status)
1056                 return -EFAULT;
1057
1058         if (Adapter->device_removed)
1059                 return -EFAULT;
1060
1061         if (false == Adapter->fw_download_done) {
1062                 switch (cmd) {
1063                 case IOCTL_MAC_ADDR_REQ:
1064                 case IOCTL_LINK_REQ:
1065                 case IOCTL_CM_REQUEST:
1066                 case IOCTL_SS_INFO_REQ:
1067                 case IOCTL_SEND_CONTROL_MESSAGE:
1068                 case IOCTL_IDLE_REQ:
1069                 case IOCTL_BCM_GPIO_SET_REQUEST:
1070                 case IOCTL_BCM_GPIO_STATUS_REQUEST:
1071                         return -EACCES;
1072                 default:
1073                         break;
1074                 }
1075         }
1076
1077         Status = vendorextnIoctl(Adapter, cmd, arg);
1078         if (Status != CONTINUE_COMMON_PATH)
1079                 return Status;
1080
1081         switch (cmd) {
1082         /* Rdms for Swin Idle... */
1083         case IOCTL_BCM_REGISTER_READ_PRIVATE:
1084                 Status = bcm_char_ioctl_reg_read_private(argp, Adapter);
1085                 return Status;
1086
1087         case IOCTL_BCM_REGISTER_WRITE_PRIVATE:
1088                 Status = bcm_char_ioctl_reg_write_private(argp, Adapter);
1089                 return Status;
1090
1091         case IOCTL_BCM_REGISTER_READ:
1092         case IOCTL_BCM_EEPROM_REGISTER_READ:
1093                 Status = bcm_char_ioctl_eeprom_reg_read(argp, Adapter);
1094                 return Status;
1095
1096         case IOCTL_BCM_REGISTER_WRITE:
1097         case IOCTL_BCM_EEPROM_REGISTER_WRITE:
1098                 Status = bcm_char_ioctl_eeprom_reg_write(argp, Adapter, cmd);
1099                 return Status;
1100
1101         case IOCTL_BCM_GPIO_SET_REQUEST:
1102                 Status = bcm_char_ioctl_gpio_set_request(argp, Adapter);
1103                 return Status;
1104
1105         case BCM_LED_THREAD_STATE_CHANGE_REQ:
1106                 Status = bcm_char_ioctl_led_thread_state_change_req(argp, Adapter);
1107                 return Status;
1108
1109         case IOCTL_BCM_GPIO_STATUS_REQUEST:
1110                 Status = bcm_char_ioctl_gpio_status_request(argp, Adapter);
1111                 return Status;
1112
1113         case IOCTL_BCM_GPIO_MULTI_REQUEST:
1114                 Status = bcm_char_ioctl_gpio_multi_request(argp, Adapter);
1115                 return Status;
1116
1117         case IOCTL_BCM_GPIO_MODE_REQUEST:
1118                 Status = bcm_char_ioctl_gpio_mode_request(argp, Adapter);
1119                 return Status;
1120
1121         case IOCTL_MAC_ADDR_REQ:
1122         case IOCTL_LINK_REQ:
1123         case IOCTL_CM_REQUEST:
1124         case IOCTL_SS_INFO_REQ:
1125         case IOCTL_SEND_CONTROL_MESSAGE:
1126         case IOCTL_IDLE_REQ:
1127                 Status = bcm_char_ioctl_misc_request(argp, Adapter);
1128                 return Status;
1129
1130         case IOCTL_BCM_BUFFER_DOWNLOAD_START:
1131                 Status = bcm_char_ioctl_buffer_download_start(Adapter);
1132                 return Status;
1133
1134         case IOCTL_BCM_BUFFER_DOWNLOAD:
1135                 Status = bcm_char_ioctl_buffer_download(argp, Adapter);
1136                 return Status;
1137
1138         case IOCTL_BCM_BUFFER_DOWNLOAD_STOP:
1139                 Status = bcm_char_ioctl_buffer_download_stop(argp, Adapter);
1140                 return Status;
1141
1142
1143         case IOCTL_BE_BUCKET_SIZE:
1144                 Status = 0;
1145                 if (get_user(Adapter->BEBucketSize, (unsigned long __user *)arg))
1146                         Status = -EFAULT;
1147                 break;
1148
1149         case IOCTL_RTPS_BUCKET_SIZE:
1150                 Status = 0;
1151                 if (get_user(Adapter->rtPSBucketSize, (unsigned long __user *)arg))
1152                         Status = -EFAULT;
1153                 break;
1154
1155         case IOCTL_CHIP_RESET:
1156                 Status = bcm_char_ioctl_chip_reset(Adapter);
1157                 return Status;
1158
1159         case IOCTL_QOS_THRESHOLD:
1160                 Status = bcm_char_ioctl_qos_threshold(arg, Adapter);
1161                 return Status;
1162
1163         case IOCTL_DUMP_PACKET_INFO:
1164                 DumpPackInfo(Adapter);
1165                 DumpPhsRules(&Adapter->stBCMPhsContext);
1166                 Status = STATUS_SUCCESS;
1167                 break;
1168
1169         case IOCTL_GET_PACK_INFO:
1170                 if (copy_to_user(argp, &Adapter->PackInfo, sizeof(struct bcm_packet_info)*NO_OF_QUEUES))
1171                         return -EFAULT;
1172                 Status = STATUS_SUCCESS;
1173                 break;
1174
1175         case IOCTL_BCM_SWITCH_TRANSFER_MODE:
1176                 Status = bcm_char_ioctl_switch_transfer_mode(argp, Adapter);
1177                 return Status;
1178
1179         case IOCTL_BCM_GET_DRIVER_VERSION:
1180                 Status = bcm_char_ioctl_get_driver_version(argp);
1181                 return Status;
1182
1183         case IOCTL_BCM_GET_CURRENT_STATUS: {
1184                 struct bcm_link_state link_state;
1185
1186                 /* Copy Ioctl Buffer structure */
1187                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
1188                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user failed..\n");
1189                         return -EFAULT;
1190                 }
1191
1192                 if (IoBuffer.OutputLength != sizeof(link_state)) {
1193                         Status = -EINVAL;
1194                         break;
1195                 }
1196
1197                 memset(&link_state, 0, sizeof(link_state));
1198                 link_state.bIdleMode = Adapter->IdleMode;
1199                 link_state.bShutdownMode = Adapter->bShutStatus;
1200                 link_state.ucLinkStatus = Adapter->LinkStatus;
1201
1202                 if (copy_to_user(IoBuffer.OutputBuffer, &link_state, min_t(size_t, sizeof(link_state), IoBuffer.OutputLength))) {
1203                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy_to_user Failed..\n");
1204                         return -EFAULT;
1205                 }
1206                 Status = STATUS_SUCCESS;
1207                 break;
1208         }
1209
1210         case IOCTL_BCM_SET_MAC_TRACING: {
1211                 UINT  tracing_flag;
1212
1213                 /* copy ioctl Buffer structure */
1214                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1215                         return -EFAULT;
1216
1217                 if (copy_from_user(&tracing_flag, IoBuffer.InputBuffer, sizeof(UINT)))
1218                         return -EFAULT;
1219
1220                 if (tracing_flag)
1221                         Adapter->pTarangs->MacTracingEnabled = TRUE;
1222                 else
1223                         Adapter->pTarangs->MacTracingEnabled = false;
1224                 break;
1225         }
1226
1227         case IOCTL_BCM_GET_DSX_INDICATION: {
1228                 ULONG ulSFId = 0;
1229                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1230                         return -EFAULT;
1231
1232                 if (IoBuffer.OutputLength < sizeof(struct bcm_add_indication_alt)) {
1233                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
1234                                         "Mismatch req: %lx needed is =0x%zx!!!",
1235                                         IoBuffer.OutputLength, sizeof(struct bcm_add_indication_alt));
1236                         return -EINVAL;
1237                 }
1238
1239                 if (copy_from_user(&ulSFId, IoBuffer.InputBuffer, sizeof(ulSFId)))
1240                         return -EFAULT;
1241
1242                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Get DSX Data SF ID is =%lx\n", ulSFId);
1243                 get_dsx_sf_data_to_application(Adapter, ulSFId, IoBuffer.OutputBuffer);
1244                 Status = STATUS_SUCCESS;
1245         }
1246         break;
1247
1248         case IOCTL_BCM_GET_HOST_MIBS: {
1249                 PVOID temp_buff;
1250
1251                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1252                         return -EFAULT;
1253
1254                 if (IoBuffer.OutputLength != sizeof(struct bcm_host_stats_mibs)) {
1255                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
1256                                         "Length Check failed %lu %zd\n",
1257                                         IoBuffer.OutputLength, sizeof(struct bcm_host_stats_mibs));
1258                         return -EINVAL;
1259                 }
1260
1261                 /* FIXME: HOST_STATS are too big for kmalloc (122048)! */
1262                 temp_buff = kzalloc(sizeof(struct bcm_host_stats_mibs), GFP_KERNEL);
1263                 if (!temp_buff)
1264                         return STATUS_FAILURE;
1265
1266                 Status = ProcessGetHostMibs(Adapter, temp_buff);
1267                 GetDroppedAppCntrlPktMibs(temp_buff, pTarang);
1268
1269                 if (Status != STATUS_FAILURE)
1270                         if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, sizeof(struct bcm_host_stats_mibs))) {
1271                                 kfree(temp_buff);
1272                                 return -EFAULT;
1273                         }
1274
1275                 kfree(temp_buff);
1276                 break;
1277         }
1278
1279         case IOCTL_BCM_WAKE_UP_DEVICE_FROM_IDLE:
1280                 if ((false == Adapter->bTriedToWakeUpFromlowPowerMode) && (TRUE == Adapter->IdleMode)) {
1281                         Adapter->usIdleModePattern = ABORT_IDLE_MODE;
1282                         Adapter->bWakeUpDevice = TRUE;
1283                         wake_up(&Adapter->process_rx_cntrlpkt);
1284                 }
1285
1286                 Status = STATUS_SUCCESS;
1287                 break;
1288
1289         case IOCTL_BCM_BULK_WRM: {
1290                 struct bcm_bulk_wrm_buffer *pBulkBuffer;
1291                 UINT uiTempVar = 0;
1292                 PCHAR pvBuffer = NULL;
1293
1294                 if ((Adapter->IdleMode == TRUE) ||
1295                         (Adapter->bShutStatus == TRUE) ||
1296                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1297
1298                         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "Device in Idle/Shutdown Mode, Blocking Wrms\n");
1299                         Status = -EACCES;
1300                         break;
1301                 }
1302
1303                 /* Copy Ioctl Buffer structure */
1304                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1305                         return -EFAULT;
1306
1307                 if (IoBuffer.InputLength < sizeof(ULONG) * 2)
1308                         return -EINVAL;
1309
1310                 pvBuffer = memdup_user(IoBuffer.InputBuffer,
1311                                        IoBuffer.InputLength);
1312                 if (IS_ERR(pvBuffer))
1313                         return PTR_ERR(pvBuffer);
1314
1315                 pBulkBuffer = (struct bcm_bulk_wrm_buffer *)pvBuffer;
1316
1317                 if (((ULONG)pBulkBuffer->Register & 0x0F000000) != 0x0F000000 ||
1318                         ((ULONG)pBulkBuffer->Register & 0x3)) {
1319                         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Done On invalid Address : %x Access Denied.\n", (int)pBulkBuffer->Register);
1320                         kfree(pvBuffer);
1321                         Status = -EINVAL;
1322                         break;
1323                 }
1324
1325                 uiTempVar = pBulkBuffer->Register & EEPROM_REJECT_MASK;
1326                 if (!((Adapter->pstargetparams->m_u32Customize)&VSG_MODE) &&
1327                         ((uiTempVar == EEPROM_REJECT_REG_1) ||
1328                                 (uiTempVar == EEPROM_REJECT_REG_2) ||
1329                                 (uiTempVar == EEPROM_REJECT_REG_3) ||
1330                                 (uiTempVar == EEPROM_REJECT_REG_4)) &&
1331                         (cmd == IOCTL_BCM_REGISTER_WRITE)) {
1332
1333                         kfree(pvBuffer);
1334                         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "EEPROM Access Denied, not in VSG Mode\n");
1335                         Status = -EFAULT;
1336                         break;
1337                 }
1338
1339                 if (pBulkBuffer->SwapEndian == false)
1340                         Status = wrmWithLock(Adapter, (UINT)pBulkBuffer->Register, (PCHAR)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
1341                 else
1342                         Status = wrmaltWithLock(Adapter, (UINT)pBulkBuffer->Register, (PUINT)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
1343
1344                 if (Status != STATUS_SUCCESS)
1345                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Failed\n");
1346
1347                 kfree(pvBuffer);
1348                 break;
1349         }
1350
1351         case IOCTL_BCM_GET_NVM_SIZE:
1352                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1353                         return -EFAULT;
1354
1355                 if (Adapter->eNVMType == NVM_EEPROM || Adapter->eNVMType == NVM_FLASH) {
1356                         if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiNVMDSDSize, sizeof(UINT)))
1357                                 return -EFAULT;
1358                 }
1359
1360                 Status = STATUS_SUCCESS;
1361                 break;
1362
1363         case IOCTL_BCM_CAL_INIT: {
1364                 UINT uiSectorSize = 0;
1365                 if (Adapter->eNVMType == NVM_FLASH) {
1366                         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1367                                 return -EFAULT;
1368
1369                         if (copy_from_user(&uiSectorSize, IoBuffer.InputBuffer, sizeof(UINT)))
1370                                 return -EFAULT;
1371
1372                         if ((uiSectorSize < MIN_SECTOR_SIZE) || (uiSectorSize > MAX_SECTOR_SIZE)) {
1373                                 if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize,
1374                                                         sizeof(UINT)))
1375                                         return -EFAULT;
1376                         } else {
1377                                 if (IsFlash2x(Adapter)) {
1378                                         if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize, sizeof(UINT)))
1379                                                 return -EFAULT;
1380                                 } else {
1381                                         if ((TRUE == Adapter->bShutStatus) || (TRUE == Adapter->IdleMode)) {
1382                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is in Idle/Shutdown Mode\n");
1383                                                 return -EACCES;
1384                                         }
1385
1386                                         Adapter->uiSectorSize = uiSectorSize;
1387                                         BcmUpdateSectorSize(Adapter, Adapter->uiSectorSize);
1388                                 }
1389                         }
1390                         Status = STATUS_SUCCESS;
1391                 } else {
1392                         Status = STATUS_FAILURE;
1393                 }
1394         }
1395         break;
1396
1397         case IOCTL_BCM_SET_DEBUG:
1398 #ifdef DEBUG
1399         {
1400                 struct bcm_user_debug_state sUserDebugState;
1401
1402                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "In SET_DEBUG ioctl\n");
1403                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1404                         return -EFAULT;
1405
1406                 if (copy_from_user(&sUserDebugState, IoBuffer.InputBuffer, sizeof(struct bcm_user_debug_state)))
1407                         return -EFAULT;
1408
1409                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL_BCM_SET_DEBUG: OnOff=%d Type = 0x%x ",
1410                                 sUserDebugState.OnOff, sUserDebugState.Type);
1411                 /* sUserDebugState.Subtype <<= 1; */
1412                 sUserDebugState.Subtype = 1 << sUserDebugState.Subtype;
1413                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "actual Subtype=0x%x\n", sUserDebugState.Subtype);
1414
1415                 /* Update new 'DebugState' in the Adapter */
1416                 Adapter->stDebugState.type |= sUserDebugState.Type;
1417                 /* Subtype: A bitmap of 32 bits for Subtype per Type.
1418                  * Valid indexes in 'subtype' array: 1,2,4,8
1419                  * corresponding to valid Type values. Hence we can use the 'Type' field
1420                  * as the index value, ignoring the array entries 0,3,5,6,7 !
1421                  */
1422                 if (sUserDebugState.OnOff)
1423                         Adapter->stDebugState.subtype[sUserDebugState.Type] |= sUserDebugState.Subtype;
1424                 else
1425                         Adapter->stDebugState.subtype[sUserDebugState.Type] &= ~sUserDebugState.Subtype;
1426
1427                 BCM_SHOW_DEBUG_BITMAP(Adapter);
1428         }
1429 #endif
1430         break;
1431
1432         case IOCTL_BCM_NVM_READ:
1433         case IOCTL_BCM_NVM_WRITE: {
1434                 struct bcm_nvm_readwrite stNVMReadWrite;
1435                 PUCHAR pReadData = NULL;
1436                 ULONG ulDSDMagicNumInUsrBuff = 0;
1437                 struct timeval tv0, tv1;
1438                 memset(&tv0, 0, sizeof(struct timeval));
1439                 memset(&tv1, 0, sizeof(struct timeval));
1440                 if ((Adapter->eNVMType == NVM_FLASH) && (Adapter->uiFlashLayoutMajorVersion == 0)) {
1441                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "The Flash Control Section is Corrupted. Hence Rejection on NVM Read/Write\n");
1442                         return -EFAULT;
1443                 }
1444
1445                 if (IsFlash2x(Adapter)) {
1446                         if ((Adapter->eActiveDSD != DSD0) &&
1447                                 (Adapter->eActiveDSD != DSD1) &&
1448                                 (Adapter->eActiveDSD != DSD2)) {
1449
1450                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "No DSD is active..hence NVM Command is blocked");
1451                                 return STATUS_FAILURE;
1452                         }
1453                 }
1454
1455                 /* Copy Ioctl Buffer structure */
1456                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1457                         return -EFAULT;
1458
1459                 if (copy_from_user(&stNVMReadWrite,
1460                                         (IOCTL_BCM_NVM_READ == cmd) ? IoBuffer.OutputBuffer : IoBuffer.InputBuffer,
1461                                         sizeof(struct bcm_nvm_readwrite)))
1462                         return -EFAULT;
1463
1464                 /*
1465                  * Deny the access if the offset crosses the cal area limit.
1466                  */
1467                 if (stNVMReadWrite.uiNumBytes > Adapter->uiNVMDSDSize)
1468                         return STATUS_FAILURE;
1469
1470                 if (stNVMReadWrite.uiOffset > Adapter->uiNVMDSDSize - stNVMReadWrite.uiNumBytes) {
1471                         /* BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0,"Can't allow access beyond NVM Size: 0x%x 0x%x\n", stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes); */
1472                         return STATUS_FAILURE;
1473                 }
1474
1475                 pReadData = memdup_user(stNVMReadWrite.pBuffer,
1476                                         stNVMReadWrite.uiNumBytes);
1477                 if (IS_ERR(pReadData))
1478                         return PTR_ERR(pReadData);
1479
1480                 do_gettimeofday(&tv0);
1481                 if (IOCTL_BCM_NVM_READ == cmd) {
1482                         down(&Adapter->NVMRdmWrmLock);
1483
1484                         if ((Adapter->IdleMode == TRUE) ||
1485                                 (Adapter->bShutStatus == TRUE) ||
1486                                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
1487
1488                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1489                                 up(&Adapter->NVMRdmWrmLock);
1490                                 kfree(pReadData);
1491                                 return -EACCES;
1492                         }
1493
1494                         Status = BeceemNVMRead(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes);
1495                         up(&Adapter->NVMRdmWrmLock);
1496
1497                         if (Status != STATUS_SUCCESS) {
1498                                 kfree(pReadData);
1499                                 return Status;
1500                         }
1501
1502                         if (copy_to_user(stNVMReadWrite.pBuffer, pReadData, stNVMReadWrite.uiNumBytes)) {
1503                                 kfree(pReadData);
1504                                 return -EFAULT;
1505                         }
1506                 } else {
1507                         down(&Adapter->NVMRdmWrmLock);
1508
1509                         if ((Adapter->IdleMode == TRUE) ||
1510                                 (Adapter->bShutStatus == TRUE) ||
1511                                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
1512
1513                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1514                                 up(&Adapter->NVMRdmWrmLock);
1515                                 kfree(pReadData);
1516                                 return -EACCES;
1517                         }
1518
1519                         Adapter->bHeaderChangeAllowed = TRUE;
1520                         if (IsFlash2x(Adapter)) {
1521                                 /*
1522                                  *                      New Requirement:-
1523                                  *                      DSD section updation will be allowed in two case:-
1524                                  *                      1.  if DSD sig is present in DSD header means dongle is ok and updation is fruitfull
1525                                  *                      2.  if point 1 failes then user buff should have DSD sig. this point ensures that if dongle is
1526                                  *                            corrupted then user space program first modify the DSD header with valid DSD sig so
1527                                  *                            that this as well as further write may be worthwhile.
1528                                  *
1529                                  *                       This restriction has been put assuming that if DSD sig is corrupted, DSD
1530                                  *                       data won't be considered valid.
1531                                  */
1532
1533                                 Status = BcmFlash2xCorruptSig(Adapter, Adapter->eActiveDSD);
1534                                 if (Status != STATUS_SUCCESS) {
1535                                         if (((stNVMReadWrite.uiOffset + stNVMReadWrite.uiNumBytes) != Adapter->uiNVMDSDSize) ||
1536                                                 (stNVMReadWrite.uiNumBytes < SIGNATURE_SIZE)) {
1537
1538                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input..");
1539                                                 up(&Adapter->NVMRdmWrmLock);
1540                                                 kfree(pReadData);
1541                                                 return Status;
1542                                         }
1543
1544                                         ulDSDMagicNumInUsrBuff = ntohl(*(PUINT)(pReadData + stNVMReadWrite.uiNumBytes - SIGNATURE_SIZE));
1545                                         if (ulDSDMagicNumInUsrBuff != DSD_IMAGE_MAGIC_NUMBER) {
1546                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input..");
1547                                                 up(&Adapter->NVMRdmWrmLock);
1548                                                 kfree(pReadData);
1549                                                 return Status;
1550                                         }
1551                                 }
1552                         }
1553
1554                         Status = BeceemNVMWrite(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes, stNVMReadWrite.bVerify);
1555                         if (IsFlash2x(Adapter))
1556                                 BcmFlash2xWriteSig(Adapter, Adapter->eActiveDSD);
1557
1558                         Adapter->bHeaderChangeAllowed = false;
1559
1560                         up(&Adapter->NVMRdmWrmLock);
1561
1562                         if (Status != STATUS_SUCCESS) {
1563                                 kfree(pReadData);
1564                                 return Status;
1565                         }
1566                 }
1567
1568                 do_gettimeofday(&tv1);
1569                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, " timetaken by Write/read :%ld msec\n", (tv1.tv_sec - tv0.tv_sec)*1000 + (tv1.tv_usec - tv0.tv_usec)/1000);
1570
1571                 kfree(pReadData);
1572                 return STATUS_SUCCESS;
1573         }
1574
1575         case IOCTL_BCM_FLASH2X_SECTION_READ: {
1576                 struct bcm_flash2x_readwrite sFlash2xRead = {0};
1577                 PUCHAR pReadBuff = NULL;
1578                 UINT NOB = 0;
1579                 UINT BuffSize = 0;
1580                 UINT ReadBytes = 0;
1581                 UINT ReadOffset = 0;
1582                 void __user *OutPutBuff;
1583
1584                 if (IsFlash2x(Adapter) != TRUE) {
1585                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1586                         return -EINVAL;
1587                 }
1588
1589                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_READ Called");
1590                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1591                         return -EFAULT;
1592
1593                 /* Reading FLASH 2.x READ structure */
1594                 if (copy_from_user(&sFlash2xRead, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_readwrite)))
1595                         return -EFAULT;
1596
1597                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xRead.Section);
1598                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%x", sFlash2xRead.offset);
1599                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xRead.numOfBytes);
1600                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xRead.bVerify);
1601
1602                 /* This was internal to driver for raw read. now it has ben exposed to user space app. */
1603                 if (validateFlash2xReadWrite(Adapter, &sFlash2xRead) == false)
1604                         return STATUS_FAILURE;
1605
1606                 NOB = sFlash2xRead.numOfBytes;
1607                 if (NOB > Adapter->uiSectorSize)
1608                         BuffSize = Adapter->uiSectorSize;
1609                 else
1610                         BuffSize = NOB;
1611
1612                 ReadOffset = sFlash2xRead.offset;
1613                 OutPutBuff = IoBuffer.OutputBuffer;
1614                 pReadBuff = (PCHAR)kzalloc(BuffSize , GFP_KERNEL);
1615
1616                 if (pReadBuff == NULL) {
1617                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure");
1618                         return -ENOMEM;
1619                 }
1620                 down(&Adapter->NVMRdmWrmLock);
1621
1622                 if ((Adapter->IdleMode == TRUE) ||
1623                         (Adapter->bShutStatus == TRUE) ||
1624                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1625
1626                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1627                         up(&Adapter->NVMRdmWrmLock);
1628                         kfree(pReadBuff);
1629                         return -EACCES;
1630                 }
1631
1632                 while (NOB) {
1633                         if (NOB > Adapter->uiSectorSize)
1634                                 ReadBytes = Adapter->uiSectorSize;
1635                         else
1636                                 ReadBytes = NOB;
1637
1638                         /* Reading the data from Flash 2.x */
1639                         Status = BcmFlash2xBulkRead(Adapter, (PUINT)pReadBuff, sFlash2xRead.Section, ReadOffset, ReadBytes);
1640                         if (Status) {
1641                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Flash 2x read err with Status :%d", Status);
1642                                 break;
1643                         }
1644
1645                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes);
1646
1647                         Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes);
1648                         if (Status) {
1649                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Copy to use failed with status :%d", Status);
1650                                 up(&Adapter->NVMRdmWrmLock);
1651                                 kfree(pReadBuff);
1652                                 return -EFAULT;
1653                         }
1654                         NOB = NOB - ReadBytes;
1655                         if (NOB) {
1656                                 ReadOffset = ReadOffset + ReadBytes;
1657                                 OutPutBuff = OutPutBuff + ReadBytes;
1658                         }
1659                 }
1660
1661                 up(&Adapter->NVMRdmWrmLock);
1662                 kfree(pReadBuff);
1663         }
1664         break;
1665
1666         case IOCTL_BCM_FLASH2X_SECTION_WRITE: {
1667                 struct bcm_flash2x_readwrite sFlash2xWrite = {0};
1668                 PUCHAR pWriteBuff;
1669                 void __user *InputAddr;
1670                 UINT NOB = 0;
1671                 UINT BuffSize = 0;
1672                 UINT WriteOffset = 0;
1673                 UINT WriteBytes = 0;
1674
1675                 if (IsFlash2x(Adapter) != TRUE) {
1676                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1677                         return -EINVAL;
1678                 }
1679
1680                 /* First make this False so that we can enable the Sector Permission Check in BeceemFlashBulkWrite */
1681                 Adapter->bAllDSDWriteAllow = false;
1682
1683                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_WRITE Called");
1684
1685                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1686                         return -EFAULT;
1687
1688                 /* Reading FLASH 2.x READ structure */
1689                 if (copy_from_user(&sFlash2xWrite, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_readwrite)))
1690                         return -EFAULT;
1691
1692                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xWrite.Section);
1693                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%d", sFlash2xWrite.offset);
1694                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xWrite.numOfBytes);
1695                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xWrite.bVerify);
1696
1697                 if ((sFlash2xWrite.Section != VSA0) && (sFlash2xWrite.Section != VSA1) && (sFlash2xWrite.Section != VSA2)) {
1698                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Only VSA write is allowed");
1699                         return -EINVAL;
1700                 }
1701
1702                 if (validateFlash2xReadWrite(Adapter, &sFlash2xWrite) == false)
1703                         return STATUS_FAILURE;
1704
1705                 InputAddr = sFlash2xWrite.pDataBuff;
1706                 WriteOffset = sFlash2xWrite.offset;
1707                 NOB = sFlash2xWrite.numOfBytes;
1708
1709                 if (NOB > Adapter->uiSectorSize)
1710                         BuffSize = Adapter->uiSectorSize;
1711                 else
1712                         BuffSize = NOB;
1713
1714                 pWriteBuff = kmalloc(BuffSize, GFP_KERNEL);
1715
1716                 if (pWriteBuff == NULL)
1717                         return -ENOMEM;
1718
1719                 /* extracting the remainder of the given offset. */
1720                 WriteBytes = Adapter->uiSectorSize;
1721                 if (WriteOffset % Adapter->uiSectorSize)
1722                         WriteBytes = Adapter->uiSectorSize - (WriteOffset % Adapter->uiSectorSize);
1723
1724                 if (NOB < WriteBytes)
1725                         WriteBytes = NOB;
1726
1727                 down(&Adapter->NVMRdmWrmLock);
1728
1729                 if ((Adapter->IdleMode == TRUE) ||
1730                         (Adapter->bShutStatus == TRUE) ||
1731                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1732
1733                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1734                         up(&Adapter->NVMRdmWrmLock);
1735                         kfree(pWriteBuff);
1736                         return -EACCES;
1737                 }
1738
1739                 BcmFlash2xCorruptSig(Adapter, sFlash2xWrite.Section);
1740                 do {
1741                         Status = copy_from_user(pWriteBuff, InputAddr, WriteBytes);
1742                         if (Status) {
1743                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to user failed with status :%d", Status);
1744                                 up(&Adapter->NVMRdmWrmLock);
1745                                 kfree(pWriteBuff);
1746                                 return -EFAULT;
1747                         }
1748                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pWriteBuff, WriteBytes);
1749
1750                         /* Writing the data from Flash 2.x */
1751                         Status = BcmFlash2xBulkWrite(Adapter, (PUINT)pWriteBuff, sFlash2xWrite.Section, WriteOffset, WriteBytes, sFlash2xWrite.bVerify);
1752
1753                         if (Status) {
1754                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status);
1755                                 break;
1756                         }
1757
1758                         NOB = NOB - WriteBytes;
1759                         if (NOB) {
1760                                 WriteOffset = WriteOffset + WriteBytes;
1761                                 InputAddr = InputAddr + WriteBytes;
1762                                 if (NOB > Adapter->uiSectorSize)
1763                                         WriteBytes = Adapter->uiSectorSize;
1764                                 else
1765                                         WriteBytes = NOB;
1766                         }
1767                 } while (NOB > 0);
1768
1769                 BcmFlash2xWriteSig(Adapter, sFlash2xWrite.Section);
1770                 up(&Adapter->NVMRdmWrmLock);
1771                 kfree(pWriteBuff);
1772         }
1773         break;
1774
1775         case IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP: {
1776                 struct bcm_flash2x_bitmap *psFlash2xBitMap;
1777                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP Called");
1778
1779                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1780                         return -EFAULT;
1781
1782                 if (IoBuffer.OutputLength != sizeof(struct bcm_flash2x_bitmap))
1783                         return -EINVAL;
1784
1785                 psFlash2xBitMap = kzalloc(sizeof(struct bcm_flash2x_bitmap), GFP_KERNEL);
1786                 if (psFlash2xBitMap == NULL) {
1787                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory is not available");
1788                         return -ENOMEM;
1789                 }
1790
1791                 /* Reading the Flash Sectio Bit map */
1792                 down(&Adapter->NVMRdmWrmLock);
1793
1794                 if ((Adapter->IdleMode == TRUE) ||
1795                         (Adapter->bShutStatus == TRUE) ||
1796                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1797
1798                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1799                         up(&Adapter->NVMRdmWrmLock);
1800                         kfree(psFlash2xBitMap);
1801                         return -EACCES;
1802                 }
1803
1804                 BcmGetFlash2xSectionalBitMap(Adapter, psFlash2xBitMap);
1805                 up(&Adapter->NVMRdmWrmLock);
1806                 if (copy_to_user(IoBuffer.OutputBuffer, psFlash2xBitMap, sizeof(struct bcm_flash2x_bitmap))) {
1807                         kfree(psFlash2xBitMap);
1808                         return -EFAULT;
1809                 }
1810
1811                 kfree(psFlash2xBitMap);
1812         }
1813         break;
1814
1815         case IOCTL_BCM_SET_ACTIVE_SECTION: {
1816                 enum bcm_flash2x_section_val eFlash2xSectionVal = 0;
1817                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SET_ACTIVE_SECTION Called");
1818
1819                 if (IsFlash2x(Adapter) != TRUE) {
1820                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1821                         return -EINVAL;
1822                 }
1823
1824                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1825                 if (Status) {
1826                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1827                         return -EFAULT;
1828                 }
1829
1830                 Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT));
1831                 if (Status) {
1832                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed");
1833                         return -EFAULT;
1834                 }
1835
1836                 down(&Adapter->NVMRdmWrmLock);
1837
1838                 if ((Adapter->IdleMode == TRUE) ||
1839                         (Adapter->bShutStatus == TRUE) ||
1840                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1841
1842                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1843                         up(&Adapter->NVMRdmWrmLock);
1844                         return -EACCES;
1845                 }
1846
1847                 Status = BcmSetActiveSection(Adapter, eFlash2xSectionVal);
1848                 if (Status)
1849                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Failed to make it's priority Highest. Status %d", Status);
1850
1851                 up(&Adapter->NVMRdmWrmLock);
1852         }
1853         break;
1854
1855         case IOCTL_BCM_IDENTIFY_ACTIVE_SECTION: {
1856                 /* Right Now we are taking care of only DSD */
1857                 Adapter->bAllDSDWriteAllow = false;
1858                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_IDENTIFY_ACTIVE_SECTION called");
1859                 Status = STATUS_SUCCESS;
1860         }
1861         break;
1862
1863         case IOCTL_BCM_COPY_SECTION: {
1864                 struct bcm_flash2x_copy_section sCopySectStrut = {0};
1865                 Status = STATUS_SUCCESS;
1866                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_COPY_SECTION  Called");
1867
1868                 Adapter->bAllDSDWriteAllow = false;
1869                 if (IsFlash2x(Adapter) != TRUE) {
1870                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1871                         return -EINVAL;
1872                 }
1873
1874                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1875                 if (Status) {
1876                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed Status :%d", Status);
1877                         return -EFAULT;
1878                 }
1879
1880                 Status = copy_from_user(&sCopySectStrut, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_copy_section));
1881                 if (Status) {
1882                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of Copy_Section_Struct failed with Status :%d", Status);
1883                         return -EFAULT;
1884                 }
1885
1886                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source SEction :%x", sCopySectStrut.SrcSection);
1887                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Destination SEction :%x", sCopySectStrut.DstSection);
1888                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "offset :%x", sCopySectStrut.offset);
1889                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "NOB :%x", sCopySectStrut.numOfBytes);
1890
1891                 if (IsSectionExistInFlash(Adapter, sCopySectStrut.SrcSection) == false) {
1892                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Source Section<%x> does not exist in Flash ", sCopySectStrut.SrcSection);
1893                         return -EINVAL;
1894                 }
1895
1896                 if (IsSectionExistInFlash(Adapter, sCopySectStrut.DstSection) == false) {
1897                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Destinatio Section<%x> does not exist in Flash ", sCopySectStrut.DstSection);
1898                         return -EINVAL;
1899                 }
1900
1901                 if (sCopySectStrut.SrcSection == sCopySectStrut.DstSection) {
1902                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source and Destination section should be different");
1903                         return -EINVAL;
1904                 }
1905
1906                 down(&Adapter->NVMRdmWrmLock);
1907
1908                 if ((Adapter->IdleMode == TRUE) ||
1909                         (Adapter->bShutStatus == TRUE) ||
1910                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1911
1912                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1913                         up(&Adapter->NVMRdmWrmLock);
1914                         return -EACCES;
1915                 }
1916
1917                 if (sCopySectStrut.SrcSection == ISO_IMAGE1 || sCopySectStrut.SrcSection == ISO_IMAGE2) {
1918                         if (IsNonCDLessDevice(Adapter)) {
1919                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is Non-CDLess hence won't have ISO !!");
1920                                 Status = -EINVAL;
1921                         } else if (sCopySectStrut.numOfBytes == 0) {
1922                                 Status = BcmCopyISO(Adapter, sCopySectStrut);
1923                         } else {
1924                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Partial Copy of ISO section is not Allowed..");
1925                                 Status = STATUS_FAILURE;
1926                         }
1927                         up(&Adapter->NVMRdmWrmLock);
1928                         return Status;
1929                 }
1930
1931                 Status = BcmCopySection(Adapter, sCopySectStrut.SrcSection,
1932                                         sCopySectStrut.DstSection, sCopySectStrut.offset, sCopySectStrut.numOfBytes);
1933                 up(&Adapter->NVMRdmWrmLock);
1934         }
1935         break;
1936
1937         case IOCTL_BCM_GET_FLASH_CS_INFO: {
1938                 Status = STATUS_SUCCESS;
1939                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, " IOCTL_BCM_GET_FLASH_CS_INFO Called");
1940
1941                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1942                 if (Status) {
1943                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1944                         return -EFAULT;
1945                 }
1946
1947                 if (Adapter->eNVMType != NVM_FLASH) {
1948                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Connected device does not have flash");
1949                         Status = -EINVAL;
1950                         break;
1951                 }
1952
1953                 if (IsFlash2x(Adapter) == TRUE) {
1954                         if (IoBuffer.OutputLength < sizeof(struct bcm_flash2x_cs_info))
1955                                 return -EINVAL;
1956
1957                         if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlash2xCSInfo, sizeof(struct bcm_flash2x_cs_info)))
1958                                 return -EFAULT;
1959                 } else {
1960                         if (IoBuffer.OutputLength < sizeof(struct bcm_flash_cs_info))
1961                                 return -EINVAL;
1962
1963                         if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlashCSInfo, sizeof(struct bcm_flash_cs_info)))
1964                                 return -EFAULT;
1965                 }
1966         }
1967         break;
1968
1969         case IOCTL_BCM_SELECT_DSD: {
1970                 UINT SectOfset = 0;
1971                 enum bcm_flash2x_section_val eFlash2xSectionVal;
1972                 eFlash2xSectionVal = NO_SECTION_VAL;
1973                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SELECT_DSD Called");
1974
1975                 if (IsFlash2x(Adapter) != TRUE) {
1976                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1977                         return -EINVAL;
1978                 }
1979
1980                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1981                 if (Status) {
1982                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1983                         return -EFAULT;
1984                 }
1985                 Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT));
1986                 if (Status) {
1987                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed");
1988                         return -EFAULT;
1989                 }
1990
1991                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Read Section :%d", eFlash2xSectionVal);
1992                 if ((eFlash2xSectionVal != DSD0) &&
1993                         (eFlash2xSectionVal != DSD1) &&
1994                         (eFlash2xSectionVal != DSD2)) {
1995
1996                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Passed section<%x> is not DSD section", eFlash2xSectionVal);
1997                         return STATUS_FAILURE;
1998                 }
1999
2000                 SectOfset = BcmGetSectionValStartOffset(Adapter, eFlash2xSectionVal);
2001                 if (SectOfset == INVALID_OFFSET) {
2002                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Provided Section val <%d> does not exist in Flash 2.x", eFlash2xSectionVal);
2003                         return -EINVAL;
2004                 }
2005
2006                 Adapter->bAllDSDWriteAllow = TRUE;
2007                 Adapter->ulFlashCalStart = SectOfset;
2008                 Adapter->eActiveDSD = eFlash2xSectionVal;
2009         }
2010         Status = STATUS_SUCCESS;
2011         break;
2012
2013         case IOCTL_BCM_NVM_RAW_READ: {
2014                 struct bcm_nvm_readwrite stNVMRead;
2015                 INT NOB;
2016                 INT BuffSize;
2017                 INT ReadOffset = 0;
2018                 UINT ReadBytes = 0;
2019                 PUCHAR pReadBuff;
2020                 void __user *OutPutBuff;
2021
2022                 if (Adapter->eNVMType != NVM_FLASH) {
2023                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "NVM TYPE is not Flash");
2024                         return -EINVAL;
2025                 }
2026
2027                 /* Copy Ioctl Buffer structure */
2028                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
2029                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user 1 failed\n");
2030                         return -EFAULT;
2031                 }
2032
2033                 if (copy_from_user(&stNVMRead, IoBuffer.OutputBuffer, sizeof(struct bcm_nvm_readwrite)))
2034                         return -EFAULT;
2035
2036                 NOB = stNVMRead.uiNumBytes;
2037                 /* In Raw-Read max Buff size : 64MB */
2038
2039                 if (NOB > DEFAULT_BUFF_SIZE)
2040                         BuffSize = DEFAULT_BUFF_SIZE;
2041                 else
2042                         BuffSize = NOB;
2043
2044                 ReadOffset = stNVMRead.uiOffset;
2045                 OutPutBuff = stNVMRead.pBuffer;
2046
2047                 pReadBuff = kzalloc(BuffSize , GFP_KERNEL);
2048                 if (pReadBuff == NULL) {
2049                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure");
2050                         Status = -ENOMEM;
2051                         break;
2052                 }
2053                 down(&Adapter->NVMRdmWrmLock);
2054
2055                 if ((Adapter->IdleMode == TRUE) ||
2056                         (Adapter->bShutStatus == TRUE) ||
2057                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
2058
2059                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
2060                         kfree(pReadBuff);
2061                         up(&Adapter->NVMRdmWrmLock);
2062                         return -EACCES;
2063                 }
2064
2065                 Adapter->bFlashRawRead = TRUE;
2066
2067                 while (NOB) {
2068                         if (NOB > DEFAULT_BUFF_SIZE)
2069                                 ReadBytes = DEFAULT_BUFF_SIZE;
2070                         else
2071                                 ReadBytes = NOB;
2072
2073                         /* Reading the data from Flash 2.x */
2074                         Status = BeceemNVMRead(Adapter, (PUINT)pReadBuff, ReadOffset, ReadBytes);
2075                         if (Status) {
2076                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status);
2077                                 break;
2078                         }
2079
2080                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes);
2081
2082                         Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes);
2083                         if (Status) {
2084                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to use failed with status :%d", Status);
2085                                 up(&Adapter->NVMRdmWrmLock);
2086                                 kfree(pReadBuff);
2087                                 return -EFAULT;
2088                         }
2089                         NOB = NOB - ReadBytes;
2090                         if (NOB) {
2091                                 ReadOffset = ReadOffset + ReadBytes;
2092                                 OutPutBuff = OutPutBuff + ReadBytes;
2093                         }
2094                 }
2095                 Adapter->bFlashRawRead = false;
2096                 up(&Adapter->NVMRdmWrmLock);
2097                 kfree(pReadBuff);
2098                 break;
2099         }
2100
2101         case IOCTL_BCM_CNTRLMSG_MASK: {
2102                 ULONG RxCntrlMsgBitMask = 0;
2103
2104                 /* Copy Ioctl Buffer structure */
2105                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
2106                 if (Status) {
2107                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of Ioctl buffer is failed from user space");
2108                         return -EFAULT;
2109                 }
2110
2111                 if (IoBuffer.InputLength != sizeof(unsigned long)) {
2112                         Status = -EINVAL;
2113                         break;
2114                 }
2115
2116                 Status = copy_from_user(&RxCntrlMsgBitMask, IoBuffer.InputBuffer, IoBuffer.InputLength);
2117                 if (Status) {
2118                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of control bit mask failed from user space");
2119                         return -EFAULT;
2120                 }
2121                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\n Got user defined cntrl msg bit mask :%lx", RxCntrlMsgBitMask);
2122                 pTarang->RxCntrlMsgBitMask = RxCntrlMsgBitMask;
2123         }
2124         break;
2125
2126         case IOCTL_BCM_GET_DEVICE_DRIVER_INFO: {
2127                 struct bcm_driver_info DevInfo;
2128
2129                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n");
2130
2131                 memset(&DevInfo, 0, sizeof(DevInfo));
2132                 DevInfo.MaxRDMBufferSize = BUFFER_4K;
2133                 DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START;
2134                 DevInfo.u32RxAlignmentCorrection = 0;
2135                 DevInfo.u32NVMType = Adapter->eNVMType;
2136                 DevInfo.u32InterfaceType = BCM_USB;
2137
2138                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
2139                         return -EFAULT;
2140
2141                 if (IoBuffer.OutputLength < sizeof(DevInfo))
2142                         return -EINVAL;
2143
2144                 if (copy_to_user(IoBuffer.OutputBuffer, &DevInfo, sizeof(DevInfo)))
2145                         return -EFAULT;
2146         }
2147         break;
2148
2149         case IOCTL_BCM_TIME_SINCE_NET_ENTRY: {
2150                 struct bcm_time_elapsed stTimeElapsedSinceNetEntry = {0};
2151
2152                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_TIME_SINCE_NET_ENTRY called");
2153
2154                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
2155                         return -EFAULT;
2156
2157                 if (IoBuffer.OutputLength < sizeof(struct bcm_time_elapsed))
2158                         return -EINVAL;
2159
2160                 stTimeElapsedSinceNetEntry.ul64TimeElapsedSinceNetEntry = get_seconds() - Adapter->liTimeSinceLastNetEntry;
2161
2162                 if (copy_to_user(IoBuffer.OutputBuffer, &stTimeElapsedSinceNetEntry, sizeof(struct bcm_time_elapsed)))
2163                         return -EFAULT;
2164         }
2165         break;
2166
2167         case IOCTL_CLOSE_NOTIFICATION:
2168                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_CLOSE_NOTIFICATION");
2169                 break;
2170
2171         default:
2172                 pr_info(DRV_NAME ": unknown ioctl cmd=%#x\n", cmd);
2173                 Status = STATUS_FAILURE;
2174                 break;
2175         }
2176         return Status;
2177 }
2178
2179
2180 static const struct file_operations bcm_fops = {
2181         .owner    = THIS_MODULE,
2182         .open     = bcm_char_open,
2183         .release  = bcm_char_release,
2184         .read     = bcm_char_read,
2185         .unlocked_ioctl    = bcm_char_ioctl,
2186         .llseek = no_llseek,
2187 };
2188
2189 int register_control_device_interface(struct bcm_mini_adapter *Adapter)
2190 {
2191
2192         if (Adapter->major > 0)
2193                 return Adapter->major;
2194
2195         Adapter->major = register_chrdev(0, DEV_NAME, &bcm_fops);
2196         if (Adapter->major < 0) {
2197                 pr_err(DRV_NAME ": could not created character device\n");
2198                 return Adapter->major;
2199         }
2200
2201         Adapter->pstCreatedClassDevice = device_create(bcm_class, NULL,
2202                                                 MKDEV(Adapter->major, 0),
2203                                                 Adapter, DEV_NAME);
2204
2205         if (IS_ERR(Adapter->pstCreatedClassDevice)) {
2206                 pr_err(DRV_NAME ": class device create failed\n");
2207                 unregister_chrdev(Adapter->major, DEV_NAME);
2208                 return PTR_ERR(Adapter->pstCreatedClassDevice);
2209         }
2210
2211         return 0;
2212 }
2213
2214 void unregister_control_device_interface(struct bcm_mini_adapter *Adapter)
2215 {
2216         if (Adapter->major > 0) {
2217                 device_destroy(bcm_class, MKDEV(Adapter->major, 0));
2218                 unregister_chrdev(Adapter->major, DEV_NAME);
2219         }
2220 }
2221