drivers/staging/bcm/Bcmchar.c

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