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
 785 static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
 786 {
 787         struct bcm_tarang_data *pTarang = filp->private_data;
 788         void __user *argp = (void __user *)arg;
 789         struct bcm_mini_adapter *Adapter = pTarang->Adapter;
 790         INT Status = STATUS_FAILURE;
 791         int timeout = 0;
 792         struct bcm_ioctl_buffer IoBuffer;
 793
 794         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 795                         "Parameters Passed to control IOCTL cmd=0x%X arg=0x%lX",
 796                         cmd, arg);
 797
 798         if (_IOC_TYPE(cmd) != BCM_IOCTL)
 799                 return -EFAULT;
 800         if (_IOC_DIR(cmd) & _IOC_READ)
 801                 Status = !access_ok(VERIFY_WRITE, argp, _IOC_SIZE(cmd));
 802         else if (_IOC_DIR(cmd) & _IOC_WRITE)
 803                 Status = !access_ok(VERIFY_READ, argp, _IOC_SIZE(cmd));
 804         else if (_IOC_NONE == (_IOC_DIR(cmd) & _IOC_NONE))
 805                 Status = STATUS_SUCCESS;
 806
 807         if (Status)
 808                 return -EFAULT;
 809
 810         if (Adapter->device_removed)
 811                 return -EFAULT;
 812
 813         if (false == Adapter->fw_download_done) {
 814                 switch (cmd) {
 815                 case IOCTL_MAC_ADDR_REQ:
 816                 case IOCTL_LINK_REQ:
 817                 case IOCTL_CM_REQUEST:
 818                 case IOCTL_SS_INFO_REQ:
 819                 case IOCTL_SEND_CONTROL_MESSAGE:
 820                 case IOCTL_IDLE_REQ:
 821                 case IOCTL_BCM_GPIO_SET_REQUEST:
 822                 case IOCTL_BCM_GPIO_STATUS_REQUEST:
 823                         return -EACCES;
 824                 default:
 825                         break;
 826                 }
 827         }
 828
 829         Status = vendorextnIoctl(Adapter, cmd, arg);
 830         if (Status != CONTINUE_COMMON_PATH)
 831                 return Status;
 832
 833         switch (cmd) {
 834         /* Rdms for Swin Idle... */
 835         case IOCTL_BCM_REGISTER_READ_PRIVATE:
 836                 Status = bcm_char_ioctl_reg_read_private(argp, Adapter);
 837                 return Status;
 838
 839         case IOCTL_BCM_REGISTER_WRITE_PRIVATE:
 840                 Status = bcm_char_ioctl_reg_write_private(argp, Adapter);
 841                 return Status;
 842
 843         case IOCTL_BCM_REGISTER_READ:
 844         case IOCTL_BCM_EEPROM_REGISTER_READ:
 845                 Status = bcm_char_ioctl_eeprom_reg_read(argp, Adapter);
 846                 return Status;
 847
 848         case IOCTL_BCM_REGISTER_WRITE:
 849         case IOCTL_BCM_EEPROM_REGISTER_WRITE:
 850                 Status = bcm_char_ioctl_eeprom_reg_write(argp, Adapter, cmd);
 851                 return Status;
 852
 853         case IOCTL_BCM_GPIO_SET_REQUEST:
 854                 Status = bcm_char_ioctl_gpio_set_request(argp, Adapter);
 855                 return Status;
 856
 857         case BCM_LED_THREAD_STATE_CHANGE_REQ:
 858                 Status = bcm_char_ioctl_led_thread_state_change_req(argp, Adapter);
 859                 return Status;
 860
 861         case IOCTL_BCM_GPIO_STATUS_REQUEST:
 862                 Status = bcm_char_ioctl_gpio_status_request(argp, Adapter);
 863                 return Status;
 864
 865         case IOCTL_BCM_GPIO_MULTI_REQUEST:
 866                 Status = bcm_char_ioctl_gpio_multi_request(argp, Adapter);
 867                 return Status;
 868
 869         case IOCTL_BCM_GPIO_MODE_REQUEST:
 870                 Status = bcm_char_ioctl_gpio_mode_request(argp, Adapter);
 871                 return Status;
 872
 873         case IOCTL_MAC_ADDR_REQ:
 874         case IOCTL_LINK_REQ:
 875         case IOCTL_CM_REQUEST:
 876         case IOCTL_SS_INFO_REQ:
 877         case IOCTL_SEND_CONTROL_MESSAGE:
 878         case IOCTL_IDLE_REQ:
 879                 Status = bcm_char_ioctl_misc_request(argp, Adapter);
 880                 return Status;
 881
 882         case IOCTL_BCM_BUFFER_DOWNLOAD_START: {
 883                 if (down_trylock(&Adapter->NVMRdmWrmLock)) {
 884                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 885                                         "IOCTL_BCM_CHIP_RESET not allowed as EEPROM Read/Write is in progress\n");
 886                         return -EACCES;
 887                 }
 888
 889                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 890                                 "Starting the firmware download PID =0x%x!!!!\n", current->pid);
 891
 892                 if (down_trylock(&Adapter->fw_download_sema))
 893                         return -EBUSY;
 894
 895                 Adapter->bBinDownloaded = false;
 896                 Adapter->fw_download_process_pid = current->pid;
 897                 Adapter->bCfgDownloaded = false;
 898                 Adapter->fw_download_done = false;
 899                 netif_carrier_off(Adapter->dev);
 900                 netif_stop_queue(Adapter->dev);
 901                 Status = reset_card_proc(Adapter);
 902                 if (Status) {
 903                         pr_err(PFX "%s: reset_card_proc Failed!\n", Adapter->dev->name);
 904                         up(&Adapter->fw_download_sema);
 905                         up(&Adapter->NVMRdmWrmLock);
 906                         return Status;
 907                 }
 908                 mdelay(10);
 909
 910                 up(&Adapter->NVMRdmWrmLock);
 911                 return Status;
 912         }
 913
 914         case IOCTL_BCM_BUFFER_DOWNLOAD: {
 915                 struct bcm_firmware_info *psFwInfo = NULL;
 916                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Starting the firmware download PID =0x%x!!!!\n", current->pid);
 917
 918                 if (!down_trylock(&Adapter->fw_download_sema)) {
 919                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 920                                         "Invalid way to download buffer. Use Start and then call this!!!\n");
 921                         up(&Adapter->fw_download_sema);
 922                         Status = -EINVAL;
 923                         return Status;
 924                 }
 925
 926                 /* Copy Ioctl Buffer structure */
 927                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
 928                         up(&Adapter->fw_download_sema);
 929                         return -EFAULT;
 930                 }
 931
 932                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 933                                 "Length for FW DLD is : %lx\n", IoBuffer.InputLength);
 934
 935                 if (IoBuffer.InputLength > sizeof(struct bcm_firmware_info)) {
 936                         up(&Adapter->fw_download_sema);
 937                         return -EINVAL;
 938                 }
 939
 940                 psFwInfo = kmalloc(sizeof(*psFwInfo), GFP_KERNEL);
 941                 if (!psFwInfo) {
 942                         up(&Adapter->fw_download_sema);
 943                         return -ENOMEM;
 944                 }
 945
 946                 if (copy_from_user(psFwInfo, IoBuffer.InputBuffer, IoBuffer.InputLength)) {
 947                         up(&Adapter->fw_download_sema);
 948                         kfree(psFwInfo);
 949                         return -EFAULT;
 950                 }
 951
 952                 if (!psFwInfo->pvMappedFirmwareAddress ||
 953                         (psFwInfo->u32FirmwareLength == 0)) {
 954
 955                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Something else is wrong %lu\n",
 956                                         psFwInfo->u32FirmwareLength);
 957                         up(&Adapter->fw_download_sema);
 958                         kfree(psFwInfo);
 959                         Status = -EINVAL;
 960                         return Status;
 961                 }
 962
 963                 Status = bcm_ioctl_fw_download(Adapter, psFwInfo);
 964
 965                 if (Status != STATUS_SUCCESS) {
 966                         if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR)
 967                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL: Configuration File Upload Failed\n");
 968                         else
 969                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL: Firmware File Upload Failed\n");
 970
 971                         /* up(&Adapter->fw_download_sema); */
 972
 973                         if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
 974                                 Adapter->DriverState = DRIVER_INIT;
 975                                 Adapter->LEDInfo.bLedInitDone = false;
 976                                 wake_up(&Adapter->LEDInfo.notify_led_event);
 977                         }
 978                 }
 979
 980                 if (Status != STATUS_SUCCESS)
 981                         up(&Adapter->fw_download_sema);
 982
 983                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, OSAL_DBG, DBG_LVL_ALL, "IOCTL: Firmware File Uploaded\n");
 984                 kfree(psFwInfo);
 985                 return Status;
 986         }
 987
 988         case IOCTL_BCM_BUFFER_DOWNLOAD_STOP: {
 989                 if (!down_trylock(&Adapter->fw_download_sema)) {
 990                         up(&Adapter->fw_download_sema);
 991                         return -EINVAL;
 992                 }
 993
 994                 if (down_trylock(&Adapter->NVMRdmWrmLock)) {
 995                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 996                                         "FW download blocked as EEPROM Read/Write is in progress\n");
 997                         up(&Adapter->fw_download_sema);
 998                         return -EACCES;
 999                 }
1000
1001                 Adapter->bBinDownloaded = TRUE;
1002                 Adapter->bCfgDownloaded = TRUE;
1003                 atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
1004                 Adapter->CurrNumRecvDescs = 0;
1005                 Adapter->downloadDDR = 0;
1006
1007                 /* setting the Mips to Run */
1008                 Status = run_card_proc(Adapter);
1009
1010                 if (Status) {
1011                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Firm Download Failed\n");
1012                         up(&Adapter->fw_download_sema);
1013                         up(&Adapter->NVMRdmWrmLock);
1014                         return Status;
1015                 } else {
1016                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
1017                                         DBG_LVL_ALL, "Firm Download Over...\n");
1018                 }
1019
1020                 mdelay(10);
1021
1022                 /* Wait for MailBox Interrupt */
1023                 if (StartInterruptUrb((struct bcm_interface_adapter *)Adapter->pvInterfaceAdapter))
1024                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Unable to send interrupt...\n");
1025
1026                 timeout = 5*HZ;
1027                 Adapter->waiting_to_fw_download_done = false;
1028                 wait_event_timeout(Adapter->ioctl_fw_dnld_wait_queue,
1029                                 Adapter->waiting_to_fw_download_done, timeout);
1030                 Adapter->fw_download_process_pid = INVALID_PID;
1031                 Adapter->fw_download_done = TRUE;
1032                 atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
1033                 Adapter->CurrNumRecvDescs = 0;
1034                 Adapter->PrevNumRecvDescs = 0;
1035                 atomic_set(&Adapter->cntrlpktCnt, 0);
1036                 Adapter->LinkUpStatus = 0;
1037                 Adapter->LinkStatus = 0;
1038
1039                 if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
1040                         Adapter->DriverState = FW_DOWNLOAD_DONE;
1041                         wake_up(&Adapter->LEDInfo.notify_led_event);
1042                 }
1043
1044                 if (!timeout)
1045                         Status = -ENODEV;
1046
1047                 up(&Adapter->fw_download_sema);
1048                 up(&Adapter->NVMRdmWrmLock);
1049                 return Status;
1050         }
1051
1052         case IOCTL_BE_BUCKET_SIZE:
1053                 Status = 0;
1054                 if (get_user(Adapter->BEBucketSize, (unsigned long __user *)arg))
1055                         Status = -EFAULT;
1056                 break;
1057
1058         case IOCTL_RTPS_BUCKET_SIZE:
1059                 Status = 0;
1060                 if (get_user(Adapter->rtPSBucketSize, (unsigned long __user *)arg))
1061                         Status = -EFAULT;
1062                 break;
1063
1064         case IOCTL_CHIP_RESET: {
1065                 INT NVMAccess = down_trylock(&Adapter->NVMRdmWrmLock);
1066                 if (NVMAccess) {
1067                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, " IOCTL_BCM_CHIP_RESET not allowed as EEPROM Read/Write is in progress\n");
1068                         return -EACCES;
1069                 }
1070
1071                 down(&Adapter->RxAppControlQueuelock);
1072                 Status = reset_card_proc(Adapter);
1073                 flushAllAppQ();
1074                 up(&Adapter->RxAppControlQueuelock);
1075                 up(&Adapter->NVMRdmWrmLock);
1076                 ResetCounters(Adapter);
1077                 break;
1078         }
1079
1080         case IOCTL_QOS_THRESHOLD: {
1081                 USHORT uiLoopIndex;
1082
1083                 Status = 0;
1084                 for (uiLoopIndex = 0; uiLoopIndex < NO_OF_QUEUES; uiLoopIndex++) {
1085                         if (get_user(Adapter->PackInfo[uiLoopIndex].uiThreshold,
1086                                         (unsigned long __user *)arg)) {
1087                                 Status = -EFAULT;
1088                                 break;
1089                         }
1090                 }
1091                 break;
1092         }
1093
1094         case IOCTL_DUMP_PACKET_INFO:
1095                 DumpPackInfo(Adapter);
1096                 DumpPhsRules(&Adapter->stBCMPhsContext);
1097                 Status = STATUS_SUCCESS;
1098                 break;
1099
1100         case IOCTL_GET_PACK_INFO:
1101                 if (copy_to_user(argp, &Adapter->PackInfo, sizeof(struct bcm_packet_info)*NO_OF_QUEUES))
1102                         return -EFAULT;
1103                 Status = STATUS_SUCCESS;
1104                 break;
1105
1106         case IOCTL_BCM_SWITCH_TRANSFER_MODE: {
1107                 UINT uiData = 0;
1108                 if (copy_from_user(&uiData, argp, sizeof(UINT)))
1109                         return -EFAULT;
1110
1111                 if (uiData) {
1112                         /* Allow All Packets */
1113                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: ETH_PACKET_TUNNELING_MODE\n");
1114                                 Adapter->TransferMode = ETH_PACKET_TUNNELING_MODE;
1115                 } else {
1116                         /* Allow IP only Packets */
1117                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: IP_PACKET_ONLY_MODE\n");
1118                         Adapter->TransferMode = IP_PACKET_ONLY_MODE;
1119                 }
1120                 Status = STATUS_SUCCESS;
1121                 break;
1122         }
1123
1124         case IOCTL_BCM_GET_DRIVER_VERSION: {
1125                 ulong len;
1126
1127                 /* Copy Ioctl Buffer structure */
1128                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1129                         return -EFAULT;
1130
1131                 len = min_t(ulong, IoBuffer.OutputLength, strlen(DRV_VERSION) + 1);
1132
1133                 if (copy_to_user(IoBuffer.OutputBuffer, DRV_VERSION, len))
1134                         return -EFAULT;
1135                 Status = STATUS_SUCCESS;
1136                 break;
1137         }
1138
1139         case IOCTL_BCM_GET_CURRENT_STATUS: {
1140                 struct bcm_link_state link_state;
1141
1142                 /* Copy Ioctl Buffer structure */
1143                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
1144                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user failed..\n");
1145                         return -EFAULT;
1146                 }
1147
1148                 if (IoBuffer.OutputLength != sizeof(link_state)) {
1149                         Status = -EINVAL;
1150                         break;
1151                 }
1152
1153                 memset(&link_state, 0, sizeof(link_state));
1154                 link_state.bIdleMode = Adapter->IdleMode;
1155                 link_state.bShutdownMode = Adapter->bShutStatus;
1156                 link_state.ucLinkStatus = Adapter->LinkStatus;
1157
1158                 if (copy_to_user(IoBuffer.OutputBuffer, &link_state, min_t(size_t, sizeof(link_state), IoBuffer.OutputLength))) {
1159                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy_to_user Failed..\n");
1160                         return -EFAULT;
1161                 }
1162                 Status = STATUS_SUCCESS;
1163                 break;
1164         }
1165
1166         case IOCTL_BCM_SET_MAC_TRACING: {
1167                 UINT  tracing_flag;
1168
1169                 /* copy ioctl Buffer structure */
1170                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1171                         return -EFAULT;
1172
1173                 if (copy_from_user(&tracing_flag, IoBuffer.InputBuffer, sizeof(UINT)))
1174                         return -EFAULT;
1175
1176                 if (tracing_flag)
1177                         Adapter->pTarangs->MacTracingEnabled = TRUE;
1178                 else
1179                         Adapter->pTarangs->MacTracingEnabled = false;
1180                 break;
1181         }
1182
1183         case IOCTL_BCM_GET_DSX_INDICATION: {
1184                 ULONG ulSFId = 0;
1185                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1186                         return -EFAULT;
1187
1188                 if (IoBuffer.OutputLength < sizeof(struct bcm_add_indication_alt)) {
1189                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
1190                                         "Mismatch req: %lx needed is =0x%zx!!!",
1191                                         IoBuffer.OutputLength, sizeof(struct bcm_add_indication_alt));
1192                         return -EINVAL;
1193                 }
1194
1195                 if (copy_from_user(&ulSFId, IoBuffer.InputBuffer, sizeof(ulSFId)))
1196                         return -EFAULT;
1197
1198                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Get DSX Data SF ID is =%lx\n", ulSFId);
1199                 get_dsx_sf_data_to_application(Adapter, ulSFId, IoBuffer.OutputBuffer);
1200                 Status = STATUS_SUCCESS;
1201         }
1202         break;
1203
1204         case IOCTL_BCM_GET_HOST_MIBS: {
1205                 PVOID temp_buff;
1206
1207                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1208                         return -EFAULT;
1209
1210                 if (IoBuffer.OutputLength != sizeof(struct bcm_host_stats_mibs)) {
1211                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
1212                                         "Length Check failed %lu %zd\n",
1213                                         IoBuffer.OutputLength, sizeof(struct bcm_host_stats_mibs));
1214                         return -EINVAL;
1215                 }
1216
1217                 /* FIXME: HOST_STATS are too big for kmalloc (122048)! */
1218                 temp_buff = kzalloc(sizeof(struct bcm_host_stats_mibs), GFP_KERNEL);
1219                 if (!temp_buff)
1220                         return STATUS_FAILURE;
1221
1222                 Status = ProcessGetHostMibs(Adapter, temp_buff);
1223                 GetDroppedAppCntrlPktMibs(temp_buff, pTarang);
1224
1225                 if (Status != STATUS_FAILURE)
1226                         if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, sizeof(struct bcm_host_stats_mibs))) {
1227                                 kfree(temp_buff);
1228                                 return -EFAULT;
1229                         }
1230
1231                 kfree(temp_buff);
1232                 break;
1233         }
1234
1235         case IOCTL_BCM_WAKE_UP_DEVICE_FROM_IDLE:
1236                 if ((false == Adapter->bTriedToWakeUpFromlowPowerMode) && (TRUE == Adapter->IdleMode)) {
1237                         Adapter->usIdleModePattern = ABORT_IDLE_MODE;
1238                         Adapter->bWakeUpDevice = TRUE;
1239                         wake_up(&Adapter->process_rx_cntrlpkt);
1240                 }
1241
1242                 Status = STATUS_SUCCESS;
1243                 break;
1244
1245         case IOCTL_BCM_BULK_WRM: {
1246                 struct bcm_bulk_wrm_buffer *pBulkBuffer;
1247                 UINT uiTempVar = 0;
1248                 PCHAR pvBuffer = NULL;
1249
1250                 if ((Adapter->IdleMode == TRUE) ||
1251                         (Adapter->bShutStatus == TRUE) ||
1252                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1253
1254                         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "Device in Idle/Shutdown Mode, Blocking Wrms\n");
1255                         Status = -EACCES;
1256                         break;
1257                 }
1258
1259                 /* Copy Ioctl Buffer structure */
1260                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1261                         return -EFAULT;
1262
1263                 if (IoBuffer.InputLength < sizeof(ULONG) * 2)
1264                         return -EINVAL;
1265
1266                 pvBuffer = memdup_user(IoBuffer.InputBuffer,
1267                                        IoBuffer.InputLength);
1268                 if (IS_ERR(pvBuffer))
1269                         return PTR_ERR(pvBuffer);
1270
1271                 pBulkBuffer = (struct bcm_bulk_wrm_buffer *)pvBuffer;
1272
1273                 if (((ULONG)pBulkBuffer->Register & 0x0F000000) != 0x0F000000 ||
1274                         ((ULONG)pBulkBuffer->Register & 0x3)) {
1275                         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Done On invalid Address : %x Access Denied.\n", (int)pBulkBuffer->Register);
1276                         kfree(pvBuffer);
1277                         Status = -EINVAL;
1278                         break;
1279                 }
1280
1281                 uiTempVar = pBulkBuffer->Register & EEPROM_REJECT_MASK;
1282                 if (!((Adapter->pstargetparams->m_u32Customize)&VSG_MODE) &&
1283                         ((uiTempVar == EEPROM_REJECT_REG_1) ||
1284                                 (uiTempVar == EEPROM_REJECT_REG_2) ||
1285                                 (uiTempVar == EEPROM_REJECT_REG_3) ||
1286                                 (uiTempVar == EEPROM_REJECT_REG_4)) &&
1287                         (cmd == IOCTL_BCM_REGISTER_WRITE)) {
1288
1289                         kfree(pvBuffer);
1290                         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "EEPROM Access Denied, not in VSG Mode\n");
1291                         Status = -EFAULT;
1292                         break;
1293                 }
1294
1295                 if (pBulkBuffer->SwapEndian == false)
1296                         Status = wrmWithLock(Adapter, (UINT)pBulkBuffer->Register, (PCHAR)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
1297                 else
1298                         Status = wrmaltWithLock(Adapter, (UINT)pBulkBuffer->Register, (PUINT)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
1299
1300                 if (Status != STATUS_SUCCESS)
1301                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Failed\n");
1302
1303                 kfree(pvBuffer);
1304                 break;
1305         }
1306
1307         case IOCTL_BCM_GET_NVM_SIZE:
1308                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1309                         return -EFAULT;
1310
1311                 if (Adapter->eNVMType == NVM_EEPROM || Adapter->eNVMType == NVM_FLASH) {
1312                         if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiNVMDSDSize, sizeof(UINT)))
1313                                 return -EFAULT;
1314                 }
1315
1316                 Status = STATUS_SUCCESS;
1317                 break;
1318
1319         case IOCTL_BCM_CAL_INIT: {
1320                 UINT uiSectorSize = 0;
1321                 if (Adapter->eNVMType == NVM_FLASH) {
1322                         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1323                                 return -EFAULT;
1324
1325                         if (copy_from_user(&uiSectorSize, IoBuffer.InputBuffer, sizeof(UINT)))
1326                                 return -EFAULT;
1327
1328                         if ((uiSectorSize < MIN_SECTOR_SIZE) || (uiSectorSize > MAX_SECTOR_SIZE)) {
1329                                 if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize,
1330                                                         sizeof(UINT)))
1331                                         return -EFAULT;
1332                         } else {
1333                                 if (IsFlash2x(Adapter)) {
1334                                         if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize, sizeof(UINT)))
1335                                                 return -EFAULT;
1336                                 } else {
1337                                         if ((TRUE == Adapter->bShutStatus) || (TRUE == Adapter->IdleMode)) {
1338                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is in Idle/Shutdown Mode\n");
1339                                                 return -EACCES;
1340                                         }
1341
1342                                         Adapter->uiSectorSize = uiSectorSize;
1343                                         BcmUpdateSectorSize(Adapter, Adapter->uiSectorSize);
1344                                 }
1345                         }
1346                         Status = STATUS_SUCCESS;
1347                 } else {
1348                         Status = STATUS_FAILURE;
1349                 }
1350         }
1351         break;
1352
1353         case IOCTL_BCM_SET_DEBUG:
1354 #ifdef DEBUG
1355         {
1356                 struct bcm_user_debug_state sUserDebugState;
1357
1358                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "In SET_DEBUG ioctl\n");
1359                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1360                         return -EFAULT;
1361
1362                 if (copy_from_user(&sUserDebugState, IoBuffer.InputBuffer, sizeof(struct bcm_user_debug_state)))
1363                         return -EFAULT;
1364
1365                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL_BCM_SET_DEBUG: OnOff=%d Type = 0x%x ",
1366                                 sUserDebugState.OnOff, sUserDebugState.Type);
1367                 /* sUserDebugState.Subtype <<= 1; */
1368                 sUserDebugState.Subtype = 1 << sUserDebugState.Subtype;
1369                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "actual Subtype=0x%x\n", sUserDebugState.Subtype);
1370
1371                 /* Update new 'DebugState' in the Adapter */
1372                 Adapter->stDebugState.type |= sUserDebugState.Type;
1373                 /* Subtype: A bitmap of 32 bits for Subtype per Type.
1374                  * Valid indexes in 'subtype' array: 1,2,4,8
1375                  * corresponding to valid Type values. Hence we can use the 'Type' field
1376                  * as the index value, ignoring the array entries 0,3,5,6,7 !
1377                  */
1378                 if (sUserDebugState.OnOff)
1379                         Adapter->stDebugState.subtype[sUserDebugState.Type] |= sUserDebugState.Subtype;
1380                 else
1381                         Adapter->stDebugState.subtype[sUserDebugState.Type] &= ~sUserDebugState.Subtype;
1382
1383                 BCM_SHOW_DEBUG_BITMAP(Adapter);
1384         }
1385 #endif
1386         break;
1387
1388         case IOCTL_BCM_NVM_READ:
1389         case IOCTL_BCM_NVM_WRITE: {
1390                 struct bcm_nvm_readwrite stNVMReadWrite;
1391                 PUCHAR pReadData = NULL;
1392                 ULONG ulDSDMagicNumInUsrBuff = 0;
1393                 struct timeval tv0, tv1;
1394                 memset(&tv0, 0, sizeof(struct timeval));
1395                 memset(&tv1, 0, sizeof(struct timeval));
1396                 if ((Adapter->eNVMType == NVM_FLASH) && (Adapter->uiFlashLayoutMajorVersion == 0)) {
1397                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "The Flash Control Section is Corrupted. Hence Rejection on NVM Read/Write\n");
1398                         return -EFAULT;
1399                 }
1400
1401                 if (IsFlash2x(Adapter)) {
1402                         if ((Adapter->eActiveDSD != DSD0) &&
1403                                 (Adapter->eActiveDSD != DSD1) &&
1404                                 (Adapter->eActiveDSD != DSD2)) {
1405
1406                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "No DSD is active..hence NVM Command is blocked");
1407                                 return STATUS_FAILURE;
1408                         }
1409                 }
1410
1411                 /* Copy Ioctl Buffer structure */
1412                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1413                         return -EFAULT;
1414
1415                 if (copy_from_user(&stNVMReadWrite,
1416                                         (IOCTL_BCM_NVM_READ == cmd) ? IoBuffer.OutputBuffer : IoBuffer.InputBuffer,
1417                                         sizeof(struct bcm_nvm_readwrite)))
1418                         return -EFAULT;
1419
1420                 /*
1421                  * Deny the access if the offset crosses the cal area limit.
1422                  */
1423                 if (stNVMReadWrite.uiNumBytes > Adapter->uiNVMDSDSize)
1424                         return STATUS_FAILURE;
1425
1426                 if (stNVMReadWrite.uiOffset > Adapter->uiNVMDSDSize - stNVMReadWrite.uiNumBytes) {
1427                         /* 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); */
1428                         return STATUS_FAILURE;
1429                 }
1430
1431                 pReadData = memdup_user(stNVMReadWrite.pBuffer,
1432                                         stNVMReadWrite.uiNumBytes);
1433                 if (IS_ERR(pReadData))
1434                         return PTR_ERR(pReadData);
1435
1436                 do_gettimeofday(&tv0);
1437                 if (IOCTL_BCM_NVM_READ == cmd) {
1438                         down(&Adapter->NVMRdmWrmLock);
1439
1440                         if ((Adapter->IdleMode == TRUE) ||
1441                                 (Adapter->bShutStatus == TRUE) ||
1442                                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
1443
1444                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1445                                 up(&Adapter->NVMRdmWrmLock);
1446                                 kfree(pReadData);
1447                                 return -EACCES;
1448                         }
1449
1450                         Status = BeceemNVMRead(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes);
1451                         up(&Adapter->NVMRdmWrmLock);
1452
1453                         if (Status != STATUS_SUCCESS) {
1454                                 kfree(pReadData);
1455                                 return Status;
1456                         }
1457
1458                         if (copy_to_user(stNVMReadWrite.pBuffer, pReadData, stNVMReadWrite.uiNumBytes)) {
1459                                 kfree(pReadData);
1460                                 return -EFAULT;
1461                         }
1462                 } else {
1463                         down(&Adapter->NVMRdmWrmLock);
1464
1465                         if ((Adapter->IdleMode == TRUE) ||
1466                                 (Adapter->bShutStatus == TRUE) ||
1467                                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
1468
1469                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1470                                 up(&Adapter->NVMRdmWrmLock);
1471                                 kfree(pReadData);
1472                                 return -EACCES;
1473                         }
1474
1475                         Adapter->bHeaderChangeAllowed = TRUE;
1476                         if (IsFlash2x(Adapter)) {
1477                                 /*
1478                                  *                      New Requirement:-
1479                                  *                      DSD section updation will be allowed in two case:-
1480                                  *                      1.  if DSD sig is present in DSD header means dongle is ok and updation is fruitfull
1481                                  *                      2.  if point 1 failes then user buff should have DSD sig. this point ensures that if dongle is
1482                                  *                            corrupted then user space program first modify the DSD header with valid DSD sig so
1483                                  *                            that this as well as further write may be worthwhile.
1484                                  *
1485                                  *                       This restriction has been put assuming that if DSD sig is corrupted, DSD
1486                                  *                       data won't be considered valid.
1487                                  */
1488
1489                                 Status = BcmFlash2xCorruptSig(Adapter, Adapter->eActiveDSD);
1490                                 if (Status != STATUS_SUCCESS) {
1491                                         if (((stNVMReadWrite.uiOffset + stNVMReadWrite.uiNumBytes) != Adapter->uiNVMDSDSize) ||
1492                                                 (stNVMReadWrite.uiNumBytes < SIGNATURE_SIZE)) {
1493
1494                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input..");
1495                                                 up(&Adapter->NVMRdmWrmLock);
1496                                                 kfree(pReadData);
1497                                                 return Status;
1498                                         }
1499
1500                                         ulDSDMagicNumInUsrBuff = ntohl(*(PUINT)(pReadData + stNVMReadWrite.uiNumBytes - SIGNATURE_SIZE));
1501                                         if (ulDSDMagicNumInUsrBuff != DSD_IMAGE_MAGIC_NUMBER) {
1502                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input..");
1503                                                 up(&Adapter->NVMRdmWrmLock);
1504                                                 kfree(pReadData);
1505                                                 return Status;
1506                                         }
1507                                 }
1508                         }
1509
1510                         Status = BeceemNVMWrite(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes, stNVMReadWrite.bVerify);
1511                         if (IsFlash2x(Adapter))
1512                                 BcmFlash2xWriteSig(Adapter, Adapter->eActiveDSD);
1513
1514                         Adapter->bHeaderChangeAllowed = false;
1515
1516                         up(&Adapter->NVMRdmWrmLock);
1517
1518                         if (Status != STATUS_SUCCESS) {
1519                                 kfree(pReadData);
1520                                 return Status;
1521                         }
1522                 }
1523
1524                 do_gettimeofday(&tv1);
1525                 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);
1526
1527                 kfree(pReadData);
1528                 return STATUS_SUCCESS;
1529         }
1530
1531         case IOCTL_BCM_FLASH2X_SECTION_READ: {
1532                 struct bcm_flash2x_readwrite sFlash2xRead = {0};
1533                 PUCHAR pReadBuff = NULL;
1534                 UINT NOB = 0;
1535                 UINT BuffSize = 0;
1536                 UINT ReadBytes = 0;
1537                 UINT ReadOffset = 0;
1538                 void __user *OutPutBuff;
1539
1540                 if (IsFlash2x(Adapter) != TRUE) {
1541                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1542                         return -EINVAL;
1543                 }
1544
1545                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_READ Called");
1546                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1547                         return -EFAULT;
1548
1549                 /* Reading FLASH 2.x READ structure */
1550                 if (copy_from_user(&sFlash2xRead, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_readwrite)))
1551                         return -EFAULT;
1552
1553                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xRead.Section);
1554                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%x", sFlash2xRead.offset);
1555                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xRead.numOfBytes);
1556                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xRead.bVerify);
1557
1558                 /* This was internal to driver for raw read. now it has ben exposed to user space app. */
1559                 if (validateFlash2xReadWrite(Adapter, &sFlash2xRead) == false)
1560                         return STATUS_FAILURE;
1561
1562                 NOB = sFlash2xRead.numOfBytes;
1563                 if (NOB > Adapter->uiSectorSize)
1564                         BuffSize = Adapter->uiSectorSize;
1565                 else
1566                         BuffSize = NOB;
1567
1568                 ReadOffset = sFlash2xRead.offset;
1569                 OutPutBuff = IoBuffer.OutputBuffer;
1570                 pReadBuff = (PCHAR)kzalloc(BuffSize , GFP_KERNEL);
1571
1572                 if (pReadBuff == NULL) {
1573                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure");
1574                         return -ENOMEM;
1575                 }
1576                 down(&Adapter->NVMRdmWrmLock);
1577
1578                 if ((Adapter->IdleMode == TRUE) ||
1579                         (Adapter->bShutStatus == TRUE) ||
1580                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1581
1582                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1583                         up(&Adapter->NVMRdmWrmLock);
1584                         kfree(pReadBuff);
1585                         return -EACCES;
1586                 }
1587
1588                 while (NOB) {
1589                         if (NOB > Adapter->uiSectorSize)
1590                                 ReadBytes = Adapter->uiSectorSize;
1591                         else
1592                                 ReadBytes = NOB;
1593
1594                         /* Reading the data from Flash 2.x */
1595                         Status = BcmFlash2xBulkRead(Adapter, (PUINT)pReadBuff, sFlash2xRead.Section, ReadOffset, ReadBytes);
1596                         if (Status) {
1597                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Flash 2x read err with Status :%d", Status);
1598                                 break;
1599                         }
1600
1601                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes);
1602
1603                         Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes);
1604                         if (Status) {
1605                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Copy to use failed with status :%d", Status);
1606                                 up(&Adapter->NVMRdmWrmLock);
1607                                 kfree(pReadBuff);
1608                                 return -EFAULT;
1609                         }
1610                         NOB = NOB - ReadBytes;
1611                         if (NOB) {
1612                                 ReadOffset = ReadOffset + ReadBytes;
1613                                 OutPutBuff = OutPutBuff + ReadBytes;
1614                         }
1615                 }
1616
1617                 up(&Adapter->NVMRdmWrmLock);
1618                 kfree(pReadBuff);
1619         }
1620         break;
1621
1622         case IOCTL_BCM_FLASH2X_SECTION_WRITE: {
1623                 struct bcm_flash2x_readwrite sFlash2xWrite = {0};
1624                 PUCHAR pWriteBuff;
1625                 void __user *InputAddr;
1626                 UINT NOB = 0;
1627                 UINT BuffSize = 0;
1628                 UINT WriteOffset = 0;
1629                 UINT WriteBytes = 0;
1630
1631                 if (IsFlash2x(Adapter) != TRUE) {
1632                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1633                         return -EINVAL;
1634                 }
1635
1636                 /* First make this False so that we can enable the Sector Permission Check in BeceemFlashBulkWrite */
1637                 Adapter->bAllDSDWriteAllow = false;
1638
1639                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_WRITE Called");
1640
1641                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1642                         return -EFAULT;
1643
1644                 /* Reading FLASH 2.x READ structure */
1645                 if (copy_from_user(&sFlash2xWrite, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_readwrite)))
1646                         return -EFAULT;
1647
1648                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xWrite.Section);
1649                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%d", sFlash2xWrite.offset);
1650                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xWrite.numOfBytes);
1651                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xWrite.bVerify);
1652
1653                 if ((sFlash2xWrite.Section != VSA0) && (sFlash2xWrite.Section != VSA1) && (sFlash2xWrite.Section != VSA2)) {
1654                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Only VSA write is allowed");
1655                         return -EINVAL;
1656                 }
1657
1658                 if (validateFlash2xReadWrite(Adapter, &sFlash2xWrite) == false)
1659                         return STATUS_FAILURE;
1660
1661                 InputAddr = sFlash2xWrite.pDataBuff;
1662                 WriteOffset = sFlash2xWrite.offset;
1663                 NOB = sFlash2xWrite.numOfBytes;
1664
1665                 if (NOB > Adapter->uiSectorSize)
1666                         BuffSize = Adapter->uiSectorSize;
1667                 else
1668                         BuffSize = NOB;
1669
1670                 pWriteBuff = kmalloc(BuffSize, GFP_KERNEL);
1671
1672                 if (pWriteBuff == NULL)
1673                         return -ENOMEM;
1674
1675                 /* extracting the remainder of the given offset. */
1676                 WriteBytes = Adapter->uiSectorSize;
1677                 if (WriteOffset % Adapter->uiSectorSize)
1678                         WriteBytes = Adapter->uiSectorSize - (WriteOffset % Adapter->uiSectorSize);
1679
1680                 if (NOB < WriteBytes)
1681                         WriteBytes = NOB;
1682
1683                 down(&Adapter->NVMRdmWrmLock);
1684
1685                 if ((Adapter->IdleMode == TRUE) ||
1686                         (Adapter->bShutStatus == TRUE) ||
1687                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1688
1689                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1690                         up(&Adapter->NVMRdmWrmLock);
1691                         kfree(pWriteBuff);
1692                         return -EACCES;
1693                 }
1694
1695                 BcmFlash2xCorruptSig(Adapter, sFlash2xWrite.Section);
1696                 do {
1697                         Status = copy_from_user(pWriteBuff, InputAddr, WriteBytes);
1698                         if (Status) {
1699                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to user failed with status :%d", Status);
1700                                 up(&Adapter->NVMRdmWrmLock);
1701                                 kfree(pWriteBuff);
1702                                 return -EFAULT;
1703                         }
1704                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pWriteBuff, WriteBytes);
1705
1706                         /* Writing the data from Flash 2.x */
1707                         Status = BcmFlash2xBulkWrite(Adapter, (PUINT)pWriteBuff, sFlash2xWrite.Section, WriteOffset, WriteBytes, sFlash2xWrite.bVerify);
1708
1709                         if (Status) {
1710                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status);
1711                                 break;
1712                         }
1713
1714                         NOB = NOB - WriteBytes;
1715                         if (NOB) {
1716                                 WriteOffset = WriteOffset + WriteBytes;
1717                                 InputAddr = InputAddr + WriteBytes;
1718                                 if (NOB > Adapter->uiSectorSize)
1719                                         WriteBytes = Adapter->uiSectorSize;
1720                                 else
1721                                         WriteBytes = NOB;
1722                         }
1723                 } while (NOB > 0);
1724
1725                 BcmFlash2xWriteSig(Adapter, sFlash2xWrite.Section);
1726                 up(&Adapter->NVMRdmWrmLock);
1727                 kfree(pWriteBuff);
1728         }
1729         break;
1730
1731         case IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP: {
1732                 struct bcm_flash2x_bitmap *psFlash2xBitMap;
1733                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP Called");
1734
1735                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1736                         return -EFAULT;
1737
1738                 if (IoBuffer.OutputLength != sizeof(struct bcm_flash2x_bitmap))
1739                         return -EINVAL;
1740
1741                 psFlash2xBitMap = kzalloc(sizeof(struct bcm_flash2x_bitmap), GFP_KERNEL);
1742                 if (psFlash2xBitMap == NULL) {
1743                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory is not available");
1744                         return -ENOMEM;
1745                 }
1746
1747                 /* Reading the Flash Sectio Bit map */
1748                 down(&Adapter->NVMRdmWrmLock);
1749
1750                 if ((Adapter->IdleMode == TRUE) ||
1751                         (Adapter->bShutStatus == TRUE) ||
1752                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1753
1754                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1755                         up(&Adapter->NVMRdmWrmLock);
1756                         kfree(psFlash2xBitMap);
1757                         return -EACCES;
1758                 }
1759
1760                 BcmGetFlash2xSectionalBitMap(Adapter, psFlash2xBitMap);
1761                 up(&Adapter->NVMRdmWrmLock);
1762                 if (copy_to_user(IoBuffer.OutputBuffer, psFlash2xBitMap, sizeof(struct bcm_flash2x_bitmap))) {
1763                         kfree(psFlash2xBitMap);
1764                         return -EFAULT;
1765                 }
1766
1767                 kfree(psFlash2xBitMap);
1768         }
1769         break;
1770
1771         case IOCTL_BCM_SET_ACTIVE_SECTION: {
1772                 enum bcm_flash2x_section_val eFlash2xSectionVal = 0;
1773                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SET_ACTIVE_SECTION Called");
1774
1775                 if (IsFlash2x(Adapter) != TRUE) {
1776                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1777                         return -EINVAL;
1778                 }
1779
1780                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1781                 if (Status) {
1782                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1783                         return -EFAULT;
1784                 }
1785
1786                 Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT));
1787                 if (Status) {
1788                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed");
1789                         return -EFAULT;
1790                 }
1791
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                         return -EACCES;
1801                 }
1802
1803                 Status = BcmSetActiveSection(Adapter, eFlash2xSectionVal);
1804                 if (Status)
1805                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Failed to make it's priority Highest. Status %d", Status);
1806
1807                 up(&Adapter->NVMRdmWrmLock);
1808         }
1809         break;
1810
1811         case IOCTL_BCM_IDENTIFY_ACTIVE_SECTION: {
1812                 /* Right Now we are taking care of only DSD */
1813                 Adapter->bAllDSDWriteAllow = false;
1814                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_IDENTIFY_ACTIVE_SECTION called");
1815                 Status = STATUS_SUCCESS;
1816         }
1817         break;
1818
1819         case IOCTL_BCM_COPY_SECTION: {
1820                 struct bcm_flash2x_copy_section sCopySectStrut = {0};
1821                 Status = STATUS_SUCCESS;
1822                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_COPY_SECTION  Called");
1823
1824                 Adapter->bAllDSDWriteAllow = false;
1825                 if (IsFlash2x(Adapter) != TRUE) {
1826                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1827                         return -EINVAL;
1828                 }
1829
1830                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1831                 if (Status) {
1832                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed Status :%d", Status);
1833                         return -EFAULT;
1834                 }
1835
1836                 Status = copy_from_user(&sCopySectStrut, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_copy_section));
1837                 if (Status) {
1838                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of Copy_Section_Struct failed with Status :%d", Status);
1839                         return -EFAULT;
1840                 }
1841
1842                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source SEction :%x", sCopySectStrut.SrcSection);
1843                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Destination SEction :%x", sCopySectStrut.DstSection);
1844                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "offset :%x", sCopySectStrut.offset);
1845                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "NOB :%x", sCopySectStrut.numOfBytes);
1846
1847                 if (IsSectionExistInFlash(Adapter, sCopySectStrut.SrcSection) == false) {
1848                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Source Section<%x> does not exist in Flash ", sCopySectStrut.SrcSection);
1849                         return -EINVAL;
1850                 }
1851
1852                 if (IsSectionExistInFlash(Adapter, sCopySectStrut.DstSection) == false) {
1853                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Destinatio Section<%x> does not exist in Flash ", sCopySectStrut.DstSection);
1854                         return -EINVAL;
1855                 }
1856
1857                 if (sCopySectStrut.SrcSection == sCopySectStrut.DstSection) {
1858                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source and Destination section should be different");
1859                         return -EINVAL;
1860                 }
1861
1862                 down(&Adapter->NVMRdmWrmLock);
1863
1864                 if ((Adapter->IdleMode == TRUE) ||
1865                         (Adapter->bShutStatus == TRUE) ||
1866                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1867
1868                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1869                         up(&Adapter->NVMRdmWrmLock);
1870                         return -EACCES;
1871                 }
1872
1873                 if (sCopySectStrut.SrcSection == ISO_IMAGE1 || sCopySectStrut.SrcSection == ISO_IMAGE2) {
1874                         if (IsNonCDLessDevice(Adapter)) {
1875                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is Non-CDLess hence won't have ISO !!");
1876                                 Status = -EINVAL;
1877                         } else if (sCopySectStrut.numOfBytes == 0) {
1878                                 Status = BcmCopyISO(Adapter, sCopySectStrut);
1879                         } else {
1880                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Partial Copy of ISO section is not Allowed..");
1881                                 Status = STATUS_FAILURE;
1882                         }
1883                         up(&Adapter->NVMRdmWrmLock);
1884                         return Status;
1885                 }
1886
1887                 Status = BcmCopySection(Adapter, sCopySectStrut.SrcSection,
1888                                         sCopySectStrut.DstSection, sCopySectStrut.offset, sCopySectStrut.numOfBytes);
1889                 up(&Adapter->NVMRdmWrmLock);
1890         }
1891         break;
1892
1893         case IOCTL_BCM_GET_FLASH_CS_INFO: {
1894                 Status = STATUS_SUCCESS;
1895                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, " IOCTL_BCM_GET_FLASH_CS_INFO Called");
1896
1897                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1898                 if (Status) {
1899                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1900                         return -EFAULT;
1901                 }
1902
1903                 if (Adapter->eNVMType != NVM_FLASH) {
1904                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Connected device does not have flash");
1905                         Status = -EINVAL;
1906                         break;
1907                 }
1908
1909                 if (IsFlash2x(Adapter) == TRUE) {
1910                         if (IoBuffer.OutputLength < sizeof(struct bcm_flash2x_cs_info))
1911                                 return -EINVAL;
1912
1913                         if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlash2xCSInfo, sizeof(struct bcm_flash2x_cs_info)))
1914                                 return -EFAULT;
1915                 } else {
1916                         if (IoBuffer.OutputLength < sizeof(struct bcm_flash_cs_info))
1917                                 return -EINVAL;
1918
1919                         if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlashCSInfo, sizeof(struct bcm_flash_cs_info)))
1920                                 return -EFAULT;
1921                 }
1922         }
1923         break;
1924
1925         case IOCTL_BCM_SELECT_DSD: {
1926                 UINT SectOfset = 0;
1927                 enum bcm_flash2x_section_val eFlash2xSectionVal;
1928                 eFlash2xSectionVal = NO_SECTION_VAL;
1929                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SELECT_DSD Called");
1930
1931                 if (IsFlash2x(Adapter) != TRUE) {
1932                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1933                         return -EINVAL;
1934                 }
1935
1936                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1937                 if (Status) {
1938                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1939                         return -EFAULT;
1940                 }
1941                 Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT));
1942                 if (Status) {
1943                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed");
1944                         return -EFAULT;
1945                 }
1946
1947                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Read Section :%d", eFlash2xSectionVal);
1948                 if ((eFlash2xSectionVal != DSD0) &&
1949                         (eFlash2xSectionVal != DSD1) &&
1950                         (eFlash2xSectionVal != DSD2)) {
1951
1952                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Passed section<%x> is not DSD section", eFlash2xSectionVal);
1953                         return STATUS_FAILURE;
1954                 }
1955
1956                 SectOfset = BcmGetSectionValStartOffset(Adapter, eFlash2xSectionVal);
1957                 if (SectOfset == INVALID_OFFSET) {
1958                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Provided Section val <%d> does not exist in Flash 2.x", eFlash2xSectionVal);
1959                         return -EINVAL;
1960                 }
1961
1962                 Adapter->bAllDSDWriteAllow = TRUE;
1963                 Adapter->ulFlashCalStart = SectOfset;
1964                 Adapter->eActiveDSD = eFlash2xSectionVal;
1965         }
1966         Status = STATUS_SUCCESS;
1967         break;
1968
1969         case IOCTL_BCM_NVM_RAW_READ: {
1970                 struct bcm_nvm_readwrite stNVMRead;
1971                 INT NOB;
1972                 INT BuffSize;
1973                 INT ReadOffset = 0;
1974                 UINT ReadBytes = 0;
1975                 PUCHAR pReadBuff;
1976                 void __user *OutPutBuff;
1977
1978                 if (Adapter->eNVMType != NVM_FLASH) {
1979                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "NVM TYPE is not Flash");
1980                         return -EINVAL;
1981                 }
1982
1983                 /* Copy Ioctl Buffer structure */
1984                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
1985                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user 1 failed\n");
1986                         return -EFAULT;
1987                 }
1988
1989                 if (copy_from_user(&stNVMRead, IoBuffer.OutputBuffer, sizeof(struct bcm_nvm_readwrite)))
1990                         return -EFAULT;
1991
1992                 NOB = stNVMRead.uiNumBytes;
1993                 /* In Raw-Read max Buff size : 64MB */
1994
1995                 if (NOB > DEFAULT_BUFF_SIZE)
1996                         BuffSize = DEFAULT_BUFF_SIZE;
1997                 else
1998                         BuffSize = NOB;
1999
2000                 ReadOffset = stNVMRead.uiOffset;
2001                 OutPutBuff = stNVMRead.pBuffer;
2002
2003                 pReadBuff = kzalloc(BuffSize , GFP_KERNEL);
2004                 if (pReadBuff == NULL) {
2005                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure");
2006                         Status = -ENOMEM;
2007                         break;
2008                 }
2009                 down(&Adapter->NVMRdmWrmLock);
2010
2011                 if ((Adapter->IdleMode == TRUE) ||
2012                         (Adapter->bShutStatus == TRUE) ||
2013                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
2014
2015                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
2016                         kfree(pReadBuff);
2017                         up(&Adapter->NVMRdmWrmLock);
2018                         return -EACCES;
2019                 }
2020
2021                 Adapter->bFlashRawRead = TRUE;
2022
2023                 while (NOB) {
2024                         if (NOB > DEFAULT_BUFF_SIZE)
2025                                 ReadBytes = DEFAULT_BUFF_SIZE;
2026                         else
2027                                 ReadBytes = NOB;
2028
2029                         /* Reading the data from Flash 2.x */
2030                         Status = BeceemNVMRead(Adapter, (PUINT)pReadBuff, ReadOffset, ReadBytes);
2031                         if (Status) {
2032                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status);
2033                                 break;
2034                         }
2035
2036                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes);
2037
2038                         Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes);
2039                         if (Status) {
2040                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to use failed with status :%d", Status);
2041                                 up(&Adapter->NVMRdmWrmLock);
2042                                 kfree(pReadBuff);
2043                                 return -EFAULT;
2044                         }
2045                         NOB = NOB - ReadBytes;
2046                         if (NOB) {
2047                                 ReadOffset = ReadOffset + ReadBytes;
2048                                 OutPutBuff = OutPutBuff + ReadBytes;
2049                         }
2050                 }
2051                 Adapter->bFlashRawRead = false;
2052                 up(&Adapter->NVMRdmWrmLock);
2053                 kfree(pReadBuff);
2054                 break;
2055         }
2056
2057         case IOCTL_BCM_CNTRLMSG_MASK: {
2058                 ULONG RxCntrlMsgBitMask = 0;
2059
2060                 /* Copy Ioctl Buffer structure */
2061                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
2062                 if (Status) {
2063                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of Ioctl buffer is failed from user space");
2064                         return -EFAULT;
2065                 }
2066
2067                 if (IoBuffer.InputLength != sizeof(unsigned long)) {
2068                         Status = -EINVAL;
2069                         break;
2070                 }
2071
2072                 Status = copy_from_user(&RxCntrlMsgBitMask, IoBuffer.InputBuffer, IoBuffer.InputLength);
2073                 if (Status) {
2074                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of control bit mask failed from user space");
2075                         return -EFAULT;
2076                 }
2077                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\n Got user defined cntrl msg bit mask :%lx", RxCntrlMsgBitMask);
2078                 pTarang->RxCntrlMsgBitMask = RxCntrlMsgBitMask;
2079         }
2080         break;
2081
2082         case IOCTL_BCM_GET_DEVICE_DRIVER_INFO: {
2083                 struct bcm_driver_info DevInfo;
2084
2085                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n");
2086
2087                 memset(&DevInfo, 0, sizeof(DevInfo));
2088                 DevInfo.MaxRDMBufferSize = BUFFER_4K;
2089                 DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START;
2090                 DevInfo.u32RxAlignmentCorrection = 0;
2091                 DevInfo.u32NVMType = Adapter->eNVMType;
2092                 DevInfo.u32InterfaceType = BCM_USB;
2093
2094                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
2095                         return -EFAULT;
2096
2097                 if (IoBuffer.OutputLength < sizeof(DevInfo))
2098                         return -EINVAL;
2099
2100                 if (copy_to_user(IoBuffer.OutputBuffer, &DevInfo, sizeof(DevInfo)))
2101                         return -EFAULT;
2102         }
2103         break;
2104
2105         case IOCTL_BCM_TIME_SINCE_NET_ENTRY: {
2106                 struct bcm_time_elapsed stTimeElapsedSinceNetEntry = {0};
2107
2108                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_TIME_SINCE_NET_ENTRY called");
2109
2110                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
2111                         return -EFAULT;
2112
2113                 if (IoBuffer.OutputLength < sizeof(struct bcm_time_elapsed))
2114                         return -EINVAL;
2115
2116                 stTimeElapsedSinceNetEntry.ul64TimeElapsedSinceNetEntry = get_seconds() - Adapter->liTimeSinceLastNetEntry;
2117
2118                 if (copy_to_user(IoBuffer.OutputBuffer, &stTimeElapsedSinceNetEntry, sizeof(struct bcm_time_elapsed)))
2119                         return -EFAULT;
2120         }
2121         break;
2122
2123         case IOCTL_CLOSE_NOTIFICATION:
2124                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_CLOSE_NOTIFICATION");
2125                 break;
2126
2127         default:
2128                 pr_info(DRV_NAME ": unknown ioctl cmd=%#x\n", cmd);
2129                 Status = STATUS_FAILURE;
2130                 break;
2131         }
2132         return Status;
2133 }
2134
2135
2136 static const struct file_operations bcm_fops = {
2137         .owner    = THIS_MODULE,
2138         .open     = bcm_char_open,
2139         .release  = bcm_char_release,
2140         .read     = bcm_char_read,
2141         .unlocked_ioctl    = bcm_char_ioctl,
2142         .llseek = no_llseek,
2143 };
2144
2145 int register_control_device_interface(struct bcm_mini_adapter *Adapter)
2146 {
2147
2148         if (Adapter->major > 0)
2149                 return Adapter->major;
2150
2151         Adapter->major = register_chrdev(0, DEV_NAME, &bcm_fops);
2152         if (Adapter->major < 0) {
2153                 pr_err(DRV_NAME ": could not created character device\n");
2154                 return Adapter->major;
2155         }
2156
2157         Adapter->pstCreatedClassDevice = device_create(bcm_class, NULL,
2158                                                 MKDEV(Adapter->major, 0),
2159                                                 Adapter, DEV_NAME);
2160
2161         if (IS_ERR(Adapter->pstCreatedClassDevice)) {
2162                 pr_err(DRV_NAME ": class device create failed\n");
2163                 unregister_chrdev(Adapter->major, DEV_NAME);
2164                 return PTR_ERR(Adapter->pstCreatedClassDevice);
2165         }
2166
2167         return 0;
2168 }
2169
2170 void unregister_control_device_interface(struct bcm_mini_adapter *Adapter)
2171 {
2172         if (Adapter->major > 0) {
2173                 device_destroy(bcm_class, MKDEV(Adapter->major, 0));
2174                 unregister_chrdev(Adapter->major, DEV_NAME);
2175         }
2176 }
2177