drivers/staging/bcm/Bcmchar.c

   1 #include <linux/fs.h>
   2
   3 #include "headers.h"
   4 /***************************************************************
   5 * Function        - bcm_char_open()
   6 *
   7 * Description - This is the "open" entry point for the character
   8 *                               driver.
   9 *
  10 * Parameters  - inode: Pointer to the Inode structure of char device
  11 *                               filp : File pointer of the char device
  12 *
  13 * Returns         - Zero(Success)
  14 ****************************************************************/
  15
  16 static int bcm_char_open(struct inode *inode, struct file *filp)
  17 {
  18         struct bcm_mini_adapter *Adapter = NULL;
  19         struct bcm_tarang_data *pTarang = NULL;
  20
  21         Adapter = GET_BCM_ADAPTER(gblpnetdev);
  22         pTarang = kzalloc(sizeof(struct bcm_tarang_data), GFP_KERNEL);
  23         if (!pTarang)
  24                 return -ENOMEM;
  25
  26         pTarang->Adapter = Adapter;
  27         pTarang->RxCntrlMsgBitMask = 0xFFFFFFFF & ~(1 << 0xB);
  28
  29         down(&Adapter->RxAppControlQueuelock);
  30         pTarang->next = Adapter->pTarangs;
  31         Adapter->pTarangs = pTarang;
  32         up(&Adapter->RxAppControlQueuelock);
  33
  34         /* Store the Adapter structure */
  35         filp->private_data = pTarang;
  36
  37         /* Start Queuing the control response Packets */
  38         atomic_inc(&Adapter->ApplicationRunning);
  39
  40         nonseekable_open(inode, filp);
  41         return 0;
  42 }
  43
  44 static int bcm_char_release(struct inode *inode, struct file *filp)
  45 {
  46         struct bcm_tarang_data *pTarang, *tmp, *ptmp;
  47         struct bcm_mini_adapter *Adapter = NULL;
  48         struct sk_buff *pkt, *npkt;
  49
  50         pTarang = (struct bcm_tarang_data *)filp->private_data;
  51
  52         if (pTarang == NULL)
  53                 return 0;
  54
  55         Adapter = pTarang->Adapter;
  56
  57         down(&Adapter->RxAppControlQueuelock);
  58
  59         tmp = Adapter->pTarangs;
  60         for (ptmp = NULL; tmp; ptmp = tmp, tmp = tmp->next) {
  61                 if (tmp == pTarang)
  62                         break;
  63         }
  64
  65         if (tmp) {
  66                 if (!ptmp)
  67                         Adapter->pTarangs = tmp->next;
  68                 else
  69                         ptmp->next = tmp->next;
  70         } else {
  71                 up(&Adapter->RxAppControlQueuelock);
  72                 return 0;
  73         }
  74
  75         pkt = pTarang->RxAppControlHead;
  76         while (pkt) {
  77                 npkt = pkt->next;
  78                 kfree_skb(pkt);
  79                 pkt = npkt;
  80         }
  81
  82         up(&Adapter->RxAppControlQueuelock);
  83
  84         /* Stop Queuing the control response Packets */
  85         atomic_dec(&Adapter->ApplicationRunning);
  86
  87         kfree(pTarang);
  88
  89         /* remove this filp from the asynchronously notified filp's */
  90         filp->private_data = NULL;
  91         return 0;
  92 }
  93
  94 static ssize_t bcm_char_read(struct file *filp, char __user *buf, size_t size,
  95                              loff_t *f_pos)
  96 {
  97         struct bcm_tarang_data *pTarang = filp->private_data;
  98         struct bcm_mini_adapter *Adapter = pTarang->Adapter;
  99         struct sk_buff *Packet = NULL;
 100         ssize_t PktLen = 0;
 101         int wait_ret_val = 0;
 102         unsigned long ret = 0;
 103
 104         wait_ret_val = wait_event_interruptible(Adapter->process_read_wait_queue,
 105                                                 (pTarang->RxAppControlHead ||
 106                                                  Adapter->device_removed));
 107         if ((wait_ret_val == -ERESTARTSYS)) {
 108                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 109                                 "Exiting as i've been asked to exit!!!\n");
 110                 return wait_ret_val;
 111         }
 112
 113         if (Adapter->device_removed) {
 114                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 115                                 "Device Removed... Killing the Apps...\n");
 116                 return -ENODEV;
 117         }
 118
 119         if (false == Adapter->fw_download_done)
 120                 return -EACCES;
 121
 122         down(&Adapter->RxAppControlQueuelock);
 123
 124         if (pTarang->RxAppControlHead) {
 125                 Packet = pTarang->RxAppControlHead;
 126                 DEQUEUEPACKET(pTarang->RxAppControlHead,
 127                               pTarang->RxAppControlTail);
 128                 pTarang->AppCtrlQueueLen--;
 129         }
 130
 131         up(&Adapter->RxAppControlQueuelock);
 132
 133         if (Packet) {
 134                 PktLen = Packet->len;
 135                 ret = copy_to_user(buf, Packet->data,
 136                                    min_t(size_t, PktLen, size));
 137                 if (ret) {
 138                         dev_kfree_skb(Packet);
 139                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 140                                         "Returning from copy to user failure\n");
 141                         return -EFAULT;
 142                 }
 143                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 144                                 "Read %zd Bytes From Adapter packet = %p by process %d!\n",
 145                                 PktLen, Packet, current->pid);
 146                 dev_kfree_skb(Packet);
 147         }
 148
 149         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "<\n");
 150         return PktLen;
 151 }
 152
 153 static int bcm_char_ioctl_reg_read_private(void __user *argp, struct bcm_mini_adapter *Adapter)
 154 {
 155         struct bcm_rdm_buffer sRdmBuffer = {0};
 156         struct bcm_ioctl_buffer IoBuffer;
 157         PCHAR temp_buff;
 158         INT Status = STATUS_FAILURE;
 159         UINT Bufflen;
 160         u16 temp_value;
 161         int bytes;
 162
 163         /* Copy Ioctl Buffer structure */
 164         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 165                 return -EFAULT;
 166
 167         if (IoBuffer.InputLength > sizeof(sRdmBuffer))
 168                 return -EINVAL;
 169
 170         if (copy_from_user(&sRdmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
 171                 return -EFAULT;
 172
 173         if (IoBuffer.OutputLength > USHRT_MAX ||
 174                 IoBuffer.OutputLength == 0) {
 175                 return -EINVAL;
 176         }
 177
 178         Bufflen = IoBuffer.OutputLength;
 179         temp_value = 4 - (Bufflen % 4);
 180         Bufflen += temp_value % 4;
 181
 182         temp_buff = kmalloc(Bufflen, GFP_KERNEL);
 183         if (!temp_buff)
 184                 return -ENOMEM;
 185
 186         bytes = rdmalt(Adapter, (UINT)sRdmBuffer.Register,
 187                         (PUINT)temp_buff, Bufflen);
 188         if (bytes > 0) {
 189                 Status = STATUS_SUCCESS;
 190                 if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, bytes)) {
 191                         kfree(temp_buff);
 192                         return -EFAULT;
 193                 }
 194         } else {
 195                 Status = bytes;
 196         }
 197
 198         kfree(temp_buff);
 199         return Status;
 200 }
 201
 202 static int bcm_char_ioctl_reg_write_private(void __user *argp, struct bcm_mini_adapter *Adapter)
 203 {
 204         struct bcm_wrm_buffer sWrmBuffer = {0};
 205         struct bcm_ioctl_buffer IoBuffer;
 206         UINT uiTempVar = 0;
 207         INT Status;
 208
 209         /* Copy Ioctl Buffer structure */
 210
 211         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 212                 return -EFAULT;
 213
 214         if (IoBuffer.InputLength > sizeof(sWrmBuffer))
 215                 return -EINVAL;
 216
 217         /* Get WrmBuffer structure */
 218         if (copy_from_user(&sWrmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
 219                 return -EFAULT;
 220
 221         uiTempVar = sWrmBuffer.Register & EEPROM_REJECT_MASK;
 222         if (!((Adapter->pstargetparams->m_u32Customize) & VSG_MODE) &&
 223                 ((uiTempVar == EEPROM_REJECT_REG_1) ||
 224                         (uiTempVar == EEPROM_REJECT_REG_2) ||
 225                         (uiTempVar == EEPROM_REJECT_REG_3) ||
 226                         (uiTempVar == EEPROM_REJECT_REG_4))) {
 227
 228                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 229                                 "EEPROM Access Denied, not in VSG Mode\n");
 230                 return -EFAULT;
 231         }
 232
 233         Status = wrmalt(Adapter, (UINT)sWrmBuffer.Register,
 234                         (PUINT)sWrmBuffer.Data, sizeof(ULONG));
 235
 236         if (Status == STATUS_SUCCESS) {
 237                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 238                                 DBG_LVL_ALL, "WRM Done\n");
 239         } else {
 240                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 241                                 DBG_LVL_ALL, "WRM Failed\n");
 242                 Status = -EFAULT;
 243         }
 244         return Status;
 245 }
 246
 247 static int bcm_char_ioctl_eeprom_reg_read(void __user *argp, struct bcm_mini_adapter *Adapter)
 248 {
 249         struct bcm_rdm_buffer sRdmBuffer = {0};
 250         struct bcm_ioctl_buffer IoBuffer;
 251         PCHAR temp_buff = NULL;
 252         UINT uiTempVar = 0;
 253         INT Status;
 254         int bytes;
 255
 256         if ((Adapter->IdleMode == TRUE) ||
 257                 (Adapter->bShutStatus == TRUE) ||
 258                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
 259
 260                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 261                                 "Device in Idle Mode, Blocking Rdms\n");
 262                 return -EACCES;
 263         }
 264
 265         /* Copy Ioctl Buffer structure */
 266         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 267                 return -EFAULT;
 268
 269         if (IoBuffer.InputLength > sizeof(sRdmBuffer))
 270                 return -EINVAL;
 271
 272         if (copy_from_user(&sRdmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
 273                 return -EFAULT;
 274
 275         if (IoBuffer.OutputLength > USHRT_MAX ||
 276                 IoBuffer.OutputLength == 0) {
 277                 return -EINVAL;
 278         }
 279
 280         temp_buff = kmalloc(IoBuffer.OutputLength, GFP_KERNEL);
 281         if (!temp_buff)
 282                 return STATUS_FAILURE;
 283
 284         if ((((ULONG)sRdmBuffer.Register & 0x0F000000) != 0x0F000000) ||
 285                 ((ULONG)sRdmBuffer.Register & 0x3)) {
 286
 287                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 288                                 "RDM Done On invalid Address : %x Access Denied.\n",
 289                                 (int)sRdmBuffer.Register);
 290
 291                 kfree(temp_buff);
 292                 return -EINVAL;
 293         }
 294
 295         uiTempVar = sRdmBuffer.Register & EEPROM_REJECT_MASK;
 296         bytes = rdmaltWithLock(Adapter, (UINT)sRdmBuffer.Register,
 297                                (PUINT)temp_buff, IoBuffer.OutputLength);
 298
 299         if (bytes > 0) {
 300                 Status = STATUS_SUCCESS;
 301                 if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, bytes)) {
 302                         kfree(temp_buff);
 303                         return -EFAULT;
 304                 }
 305         } else {
 306                 Status = bytes;
 307         }
 308
 309         kfree(temp_buff);
 310         return Status;
 311 }
 312
 313 static int bcm_char_ioctl_eeprom_reg_write(void __user *argp, struct bcm_mini_adapter *Adapter, UINT cmd)
 314 {
 315         struct bcm_wrm_buffer sWrmBuffer = {0};
 316         struct bcm_ioctl_buffer IoBuffer;
 317         UINT uiTempVar = 0;
 318         INT Status;
 319
 320         if ((Adapter->IdleMode == TRUE) ||
 321                 (Adapter->bShutStatus == TRUE) ||
 322                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
 323
 324                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 325                                 "Device in Idle Mode, Blocking Wrms\n");
 326                 return -EACCES;
 327         }
 328
 329         /* Copy Ioctl Buffer structure */
 330         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 331                 return -EFAULT;
 332
 333         if (IoBuffer.InputLength > sizeof(sWrmBuffer))
 334                 return -EINVAL;
 335
 336         /* Get WrmBuffer structure */
 337         if (copy_from_user(&sWrmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
 338                 return -EFAULT;
 339
 340         if ((((ULONG)sWrmBuffer.Register & 0x0F000000) != 0x0F000000) ||
 341                 ((ULONG)sWrmBuffer.Register & 0x3)) {
 342
 343                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 344                                 "WRM Done On invalid Address : %x Access Denied.\n",
 345                                 (int)sWrmBuffer.Register);
 346                 return -EINVAL;
 347         }
 348
 349         uiTempVar = sWrmBuffer.Register & EEPROM_REJECT_MASK;
 350         if (!((Adapter->pstargetparams->m_u32Customize) & VSG_MODE) &&
 351                         ((uiTempVar == EEPROM_REJECT_REG_1) ||
 352                         (uiTempVar == EEPROM_REJECT_REG_2) ||
 353                         (uiTempVar == EEPROM_REJECT_REG_3) ||
 354                         (uiTempVar == EEPROM_REJECT_REG_4)) &&
 355                         (cmd == IOCTL_BCM_REGISTER_WRITE)) {
 356
 357                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 358                                         "EEPROM Access Denied, not in VSG Mode\n");
 359                         return -EFAULT;
 360         }
 361
 362         Status = wrmaltWithLock(Adapter, (UINT)sWrmBuffer.Register,
 363                                 (PUINT)sWrmBuffer.Data,
 364                                 sWrmBuffer.Length);
 365
 366         if (Status == STATUS_SUCCESS) {
 367                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, OSAL_DBG,
 368                                 DBG_LVL_ALL, "WRM Done\n");
 369         } else {
 370                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 371                                 DBG_LVL_ALL, "WRM Failed\n");
 372                 Status = -EFAULT;
 373         }
 374         return Status;
 375 }
 376
 377 static int bcm_char_ioctl_gpio_set_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 378 {
 379         struct bcm_gpio_info gpio_info = {0};
 380         struct bcm_ioctl_buffer IoBuffer;
 381         UCHAR ucResetValue[4];
 382         UINT value = 0;
 383         UINT uiBit = 0;
 384         UINT uiOperation = 0;
 385         INT Status;
 386         int bytes;
 387
 388         if ((Adapter->IdleMode == TRUE) ||
 389                 (Adapter->bShutStatus == TRUE) ||
 390                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
 391
 392                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 393                                 DBG_LVL_ALL,
 394                                 "GPIO Can't be set/clear in Low power Mode");
 395                 return -EACCES;
 396         }
 397
 398         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 399                 return -EFAULT;
 400
 401         if (IoBuffer.InputLength > sizeof(gpio_info))
 402                 return -EINVAL;
 403
 404         if (copy_from_user(&gpio_info, IoBuffer.InputBuffer, IoBuffer.InputLength))
 405                 return -EFAULT;
 406
 407         uiBit  = gpio_info.uiGpioNumber;
 408         uiOperation = gpio_info.uiGpioValue;
 409         value = (1<<uiBit);
 410
 411         if (IsReqGpioIsLedInNVM(Adapter, value) == false) {
 412                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 413                                 DBG_LVL_ALL,
 414                                 "Sorry, Requested GPIO<0x%X> is not correspond to LED !!!",
 415                                 value);
 416                 return -EINVAL;
 417         }
 418
 419         /* Set - setting 1 */
 420         if (uiOperation) {
 421                 /* Set the gpio output register */
 422                 Status = wrmaltWithLock(Adapter,
 423                                         BCM_GPIO_OUTPUT_SET_REG,
 424                                         (PUINT)(&value), sizeof(UINT));
 425
 426                 if (Status == STATUS_SUCCESS) {
 427                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 428                                         OSAL_DBG, DBG_LVL_ALL,
 429                                         "Set the GPIO bit\n");
 430                 } else {
 431                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 432                                         OSAL_DBG, DBG_LVL_ALL,
 433                                         "Failed to set the %dth GPIO\n",
 434                                         uiBit);
 435                         return Status;
 436                 }
 437         } else {
 438                 /* Set the gpio output register */
 439                 Status = wrmaltWithLock(Adapter,
 440                                         BCM_GPIO_OUTPUT_CLR_REG,
 441                                         (PUINT)(&value), sizeof(UINT));
 442
 443                 if (Status == STATUS_SUCCESS) {
 444                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 445                                         OSAL_DBG, DBG_LVL_ALL,
 446                                         "Set the GPIO bit\n");
 447                 } else {
 448                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 449                                         OSAL_DBG, DBG_LVL_ALL,
 450                                         "Failed to clear the %dth GPIO\n",
 451                                         uiBit);
 452                         return Status;
 453                 }
 454         }
 455
 456         bytes = rdmaltWithLock(Adapter, (UINT)GPIO_MODE_REGISTER,
 457                                (PUINT)ucResetValue, sizeof(UINT));
 458         if (bytes < 0) {
 459                 Status = bytes;
 460                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 461                                 "GPIO_MODE_REGISTER read failed");
 462                 return Status;
 463         } else {
 464                 Status = STATUS_SUCCESS;
 465         }
 466
 467         /* Set the gpio mode register to output */
 468         *(UINT *)ucResetValue |= (1<<uiBit);
 469         Status = wrmaltWithLock(Adapter, GPIO_MODE_REGISTER,
 470                                 (PUINT)ucResetValue, sizeof(UINT));
 471
 472         if (Status == STATUS_SUCCESS) {
 473                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 474                                 DBG_LVL_ALL,
 475                                 "Set the GPIO to output Mode\n");
 476         } else {
 477                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 478                                 DBG_LVL_ALL,
 479                                 "Failed to put GPIO in Output Mode\n");
 480         }
 481
 482         return Status;
 483 }
 484
 485 static int bcm_char_ioctl_led_thread_state_change_req(void __user *argp, struct bcm_mini_adapter *Adapter)
 486 {
 487         struct bcm_user_thread_req threadReq = {0};
 488         struct bcm_ioctl_buffer IoBuffer;
 489
 490         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 491                         "User made LED thread InActive");
 492
 493         if ((Adapter->IdleMode == TRUE) ||
 494                 (Adapter->bShutStatus == TRUE) ||
 495                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
 496
 497                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 498                                 DBG_LVL_ALL,
 499                                 "GPIO Can't be set/clear in Low power Mode");
 500                 return -EACCES;
 501         }
 502
 503         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 504                 return -EFAULT;
 505
 506         if (IoBuffer.InputLength > sizeof(threadReq))
 507                 return -EINVAL;
 508
 509         if (copy_from_user(&threadReq, IoBuffer.InputBuffer, IoBuffer.InputLength))
 510                 return -EFAULT;
 511
 512         /* if LED thread is running(Actively or Inactively) set it state to make inactive */
 513         if (Adapter->LEDInfo.led_thread_running) {
 514                 if (threadReq.ThreadState == LED_THREAD_ACTIVATION_REQ) {
 515                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 516                                         OSAL_DBG, DBG_LVL_ALL,
 517                                         "Activating thread req");
 518                         Adapter->DriverState = LED_THREAD_ACTIVE;
 519                 } else {
 520                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
 521                                         OSAL_DBG, DBG_LVL_ALL,
 522                                         "DeActivating Thread req.....");
 523                         Adapter->DriverState = LED_THREAD_INACTIVE;
 524                 }
 525
 526                 /* signal thread. */
 527                 wake_up(&Adapter->LEDInfo.notify_led_event);
 528         }
 529         return STATUS_SUCCESS;
 530 }
 531
 532 static int bcm_char_ioctl_gpio_status_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 533 {
 534         struct bcm_gpio_info gpio_info = {0};
 535         struct bcm_ioctl_buffer IoBuffer;
 536         ULONG uiBit = 0;
 537         UCHAR ucRead[4];
 538         INT Status;
 539         int bytes;
 540
 541         if ((Adapter->IdleMode == TRUE) ||
 542                 (Adapter->bShutStatus == TRUE) ||
 543                 (Adapter->bPreparingForLowPowerMode == TRUE))
 544                 return -EACCES;
 545
 546         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 547                 return -EFAULT;
 548
 549         if (IoBuffer.InputLength > sizeof(gpio_info))
 550                 return -EINVAL;
 551
 552         if (copy_from_user(&gpio_info, IoBuffer.InputBuffer, IoBuffer.InputLength))
 553                 return -EFAULT;
 554
 555         uiBit = gpio_info.uiGpioNumber;
 556
 557         /* Set the gpio output register */
 558         bytes = rdmaltWithLock(Adapter, (UINT)GPIO_PIN_STATE_REGISTER,
 559                                 (PUINT)ucRead, sizeof(UINT));
 560
 561         if (bytes < 0) {
 562                 Status = bytes;
 563                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 564                                 "RDM Failed\n");
 565                 return Status;
 566         } else {
 567                 Status = STATUS_SUCCESS;
 568         }
 569         return Status;
 570 }
 571
 572 static int bcm_char_ioctl_gpio_multi_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 573 {
 574         struct bcm_gpio_multi_info gpio_multi_info[MAX_IDX];
 575         struct bcm_gpio_multi_info *pgpio_multi_info = (struct bcm_gpio_multi_info *)gpio_multi_info;
 576         struct bcm_ioctl_buffer IoBuffer;
 577         UCHAR ucResetValue[4];
 578         INT Status = STATUS_FAILURE;
 579         int bytes;
 580
 581         memset(pgpio_multi_info, 0, MAX_IDX * sizeof(struct bcm_gpio_multi_info));
 582
 583         if ((Adapter->IdleMode == TRUE) ||
 584                 (Adapter->bShutStatus == TRUE) ||
 585                 (Adapter->bPreparingForLowPowerMode == TRUE))
 586                 return -EINVAL;
 587
 588         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 589                 return -EFAULT;
 590
 591         if (IoBuffer.InputLength > sizeof(gpio_multi_info))
 592                 return -EINVAL;
 593
 594         if (copy_from_user(&gpio_multi_info, IoBuffer.InputBuffer, IoBuffer.InputLength))
 595                 return -EFAULT;
 596
 597         if (IsReqGpioIsLedInNVM(Adapter, pgpio_multi_info[WIMAX_IDX].uiGPIOMask) == false) {
 598                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 599                                 DBG_LVL_ALL,
 600                                 "Sorry, Requested GPIO<0x%X> is not correspond to NVM LED bit map<0x%X>!!!",
 601                                 pgpio_multi_info[WIMAX_IDX].uiGPIOMask,
 602                                 Adapter->gpioBitMap);
 603                 return -EINVAL;
 604         }
 605
 606         /* Set the gpio output register */
 607         if ((pgpio_multi_info[WIMAX_IDX].uiGPIOMask) &
 608                 (pgpio_multi_info[WIMAX_IDX].uiGPIOCommand)) {
 609                 /* Set 1's in GPIO OUTPUT REGISTER */
 610                 *(UINT *)ucResetValue =  pgpio_multi_info[WIMAX_IDX].uiGPIOMask &
 611                         pgpio_multi_info[WIMAX_IDX].uiGPIOCommand &
 612                         pgpio_multi_info[WIMAX_IDX].uiGPIOValue;
 613
 614                 if (*(UINT *) ucResetValue)
 615                         Status = wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_SET_REG,
 616                                                 (PUINT)ucResetValue, sizeof(ULONG));
 617
 618                 if (Status != STATUS_SUCCESS) {
 619                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 620                                         "WRM to BCM_GPIO_OUTPUT_SET_REG Failed.");
 621                         return Status;
 622                 }
 623
 624                 /* Clear to 0's in GPIO OUTPUT REGISTER */
 625                 *(UINT *)ucResetValue = (pgpio_multi_info[WIMAX_IDX].uiGPIOMask &
 626                                         pgpio_multi_info[WIMAX_IDX].uiGPIOCommand &
 627                                         (~(pgpio_multi_info[WIMAX_IDX].uiGPIOValue)));
 628
 629                 if (*(UINT *) ucResetValue)
 630                         Status = wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_CLR_REG, (PUINT)ucResetValue, sizeof(ULONG));
 631
 632                 if (Status != STATUS_SUCCESS) {
 633                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 634                                         "WRM to BCM_GPIO_OUTPUT_CLR_REG Failed.");
 635                         return Status;
 636                 }
 637         }
 638
 639         if (pgpio_multi_info[WIMAX_IDX].uiGPIOMask) {
 640                 bytes = rdmaltWithLock(Adapter, (UINT)GPIO_PIN_STATE_REGISTER, (PUINT)ucResetValue, sizeof(UINT));
 641
 642                 if (bytes < 0) {
 643                         Status = bytes;
 644                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 645                                         "RDM to GPIO_PIN_STATE_REGISTER Failed.");
 646                         return Status;
 647                 } else {
 648                         Status = STATUS_SUCCESS;
 649                 }
 650
 651                 pgpio_multi_info[WIMAX_IDX].uiGPIOValue = (*(UINT *)ucResetValue &
 652                                                         pgpio_multi_info[WIMAX_IDX].uiGPIOMask);
 653         }
 654
 655         Status = copy_to_user(IoBuffer.OutputBuffer, &gpio_multi_info, IoBuffer.OutputLength);
 656         if (Status) {
 657                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 658                                 "Failed while copying Content to IOBufer for user space err:%d", Status);
 659                 return -EFAULT;
 660         }
 661         return Status;
 662 }
 663
 664 static int bcm_char_ioctl_gpio_mode_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 665 {
 666         struct bcm_gpio_multi_mode gpio_multi_mode[MAX_IDX];
 667         struct bcm_gpio_multi_mode *pgpio_multi_mode = (struct bcm_gpio_multi_mode *)gpio_multi_mode;
 668         struct bcm_ioctl_buffer IoBuffer;
 669         UCHAR ucResetValue[4];
 670         INT Status;
 671         int bytes;
 672
 673         if ((Adapter->IdleMode == TRUE) ||
 674                 (Adapter->bShutStatus == TRUE) ||
 675                 (Adapter->bPreparingForLowPowerMode == TRUE))
 676                 return -EINVAL;
 677
 678         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 679                 return -EFAULT;
 680
 681         if (IoBuffer.InputLength > sizeof(gpio_multi_mode))
 682                 return -EINVAL;
 683
 684         if (copy_from_user(&gpio_multi_mode, IoBuffer.InputBuffer, IoBuffer.InputLength))
 685                 return -EFAULT;
 686
 687         bytes = rdmaltWithLock(Adapter, (UINT)GPIO_MODE_REGISTER, (PUINT)ucResetValue, sizeof(UINT));
 688
 689         if (bytes < 0) {
 690                 Status = bytes;
 691                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Read of GPIO_MODE_REGISTER failed");
 692                 return Status;
 693         } else {
 694                 Status = STATUS_SUCCESS;
 695         }
 696
 697         /* Validating the request */
 698         if (IsReqGpioIsLedInNVM(Adapter, pgpio_multi_mode[WIMAX_IDX].uiGPIOMask) == false) {
 699                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 700                                 "Sorry, Requested GPIO<0x%X> is not correspond to NVM LED bit map<0x%X>!!!",
 701                                 pgpio_multi_mode[WIMAX_IDX].uiGPIOMask, Adapter->gpioBitMap);
 702                 return -EINVAL;
 703         }
 704
 705         if (pgpio_multi_mode[WIMAX_IDX].uiGPIOMask) {
 706                 /* write all OUT's (1's) */
 707                 *(UINT *) ucResetValue |= (pgpio_multi_mode[WIMAX_IDX].uiGPIOMode &
 708                                         pgpio_multi_mode[WIMAX_IDX].uiGPIOMask);
 709
 710                 /* write all IN's (0's) */
 711                 *(UINT *) ucResetValue &= ~((~pgpio_multi_mode[WIMAX_IDX].uiGPIOMode) &
 712                                         pgpio_multi_mode[WIMAX_IDX].uiGPIOMask);
 713
 714                 /* Currently implemented return the modes of all GPIO's
 715                  * else needs to bit AND with  mask
 716                  */
 717                 pgpio_multi_mode[WIMAX_IDX].uiGPIOMode = *(UINT *)ucResetValue;
 718
 719                 Status = wrmaltWithLock(Adapter, GPIO_MODE_REGISTER, (PUINT)ucResetValue, sizeof(ULONG));
 720                 if (Status == STATUS_SUCCESS) {
 721                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 722                                         "WRM to GPIO_MODE_REGISTER Done");
 723                 } else {
 724                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 725                                         "WRM to GPIO_MODE_REGISTER Failed");
 726                         return -EFAULT;
 727                 }
 728         } else {
 729                 /* if uiGPIOMask is 0 then return mode register configuration */
 730                 pgpio_multi_mode[WIMAX_IDX].uiGPIOMode = *(UINT *)ucResetValue;
 731         }
 732
 733         Status = copy_to_user(IoBuffer.OutputBuffer, &gpio_multi_mode, IoBuffer.OutputLength);
 734         if (Status) {
 735                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 736                                 "Failed while copying Content to IOBufer for user space err:%d", Status);
 737                 return -EFAULT;
 738         }
 739         return Status;
 740 }
 741
 742 static int bcm_char_ioctl_misc_request(void __user *argp, struct bcm_mini_adapter *Adapter)
 743 {
 744         struct bcm_ioctl_buffer IoBuffer;
 745         PVOID pvBuffer = NULL;
 746         INT Status;
 747
 748         /* Copy Ioctl Buffer structure */
 749         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
 750                 return -EFAULT;
 751
 752         if (IoBuffer.InputLength < sizeof(struct bcm_link_request))
 753                 return -EINVAL;
 754
 755         if (IoBuffer.InputLength > MAX_CNTL_PKT_SIZE)
 756                 return -EINVAL;
 757
 758         pvBuffer = memdup_user(IoBuffer.InputBuffer,
 759                                IoBuffer.InputLength);
 760         if (IS_ERR(pvBuffer))
 761                 return PTR_ERR(pvBuffer);
 762
 763         down(&Adapter->LowPowerModeSync);
 764         Status = wait_event_interruptible_timeout(Adapter->lowpower_mode_wait_queue,
 765                                                 !Adapter->bPreparingForLowPowerMode,
 766                                                 (1 * HZ));
 767         if (Status == -ERESTARTSYS)
 768                 goto cntrlEnd;
 769
 770         if (Adapter->bPreparingForLowPowerMode) {
 771                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 772                                 "Preparing Idle Mode is still True - Hence Rejecting control message\n");
 773                 Status = STATUS_FAILURE;
 774                 goto cntrlEnd;
 775         }
 776         Status = CopyBufferToControlPacket(Adapter, (PVOID)pvBuffer);
 777
 778 cntrlEnd:
 779         up(&Adapter->LowPowerModeSync);
 780         kfree(pvBuffer);
 781         return Status;
 782 }
 783
 784 static int bcm_char_ioctl_buffer_download_start(struct bcm_mini_adapter *Adapter)
 785 {
 786         INT Status;
 787
 788         if (down_trylock(&Adapter->NVMRdmWrmLock)) {
 789                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
 790                                 "IOCTL_BCM_CHIP_RESET not allowed as EEPROM Read/Write is in progress\n");
 791                 return -EACCES;
 792         }
 793
 794         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 795                         "Starting the firmware download PID =0x%x!!!!\n", current->pid);
 796
 797         if (down_trylock(&Adapter->fw_download_sema))
 798                 return -EBUSY;
 799
 800         Adapter->bBinDownloaded = false;
 801         Adapter->fw_download_process_pid = current->pid;
 802         Adapter->bCfgDownloaded = false;
 803         Adapter->fw_download_done = false;
 804         netif_carrier_off(Adapter->dev);
 805         netif_stop_queue(Adapter->dev);
 806         Status = reset_card_proc(Adapter);
 807         if (Status) {
 808                 pr_err(PFX "%s: reset_card_proc Failed!\n", Adapter->dev->name);
 809                 up(&Adapter->fw_download_sema);
 810                 up(&Adapter->NVMRdmWrmLock);
 811                 return Status;
 812         }
 813         mdelay(10);
 814
 815         up(&Adapter->NVMRdmWrmLock);
 816         return Status;
 817 }
 818
 819 static int bcm_char_ioctl_buffer_download(void __user *argp, struct bcm_mini_adapter *Adapter)
 820 {
 821         struct bcm_firmware_info *psFwInfo = NULL;
 822         struct bcm_ioctl_buffer IoBuffer;
 823         INT Status;
 824
 825         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Starting the firmware download PID =0x%x!!!!\n", current->pid);
 826
 827         if (!down_trylock(&Adapter->fw_download_sema)) {
 828                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 829                                 "Invalid way to download buffer. Use Start and then call this!!!\n");
 830                 up(&Adapter->fw_download_sema);
 831                 return -EINVAL;
 832         }
 833
 834         /* Copy Ioctl Buffer structure */
 835         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
 836                 up(&Adapter->fw_download_sema);
 837                 return -EFAULT;
 838         }
 839
 840         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 841                         "Length for FW DLD is : %lx\n", IoBuffer.InputLength);
 842
 843         if (IoBuffer.InputLength > sizeof(struct bcm_firmware_info)) {
 844                 up(&Adapter->fw_download_sema);
 845                 return -EINVAL;
 846         }
 847
 848         psFwInfo = kmalloc(sizeof(*psFwInfo), GFP_KERNEL);
 849         if (!psFwInfo) {
 850                 up(&Adapter->fw_download_sema);
 851                 return -ENOMEM;
 852         }
 853
 854         if (copy_from_user(psFwInfo, IoBuffer.InputBuffer, IoBuffer.InputLength)) {
 855                 up(&Adapter->fw_download_sema);
 856                 kfree(psFwInfo);
 857                 return -EFAULT;
 858         }
 859
 860         if (!psFwInfo->pvMappedFirmwareAddress ||
 861                 (psFwInfo->u32FirmwareLength == 0)) {
 862
 863                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Something else is wrong %lu\n",
 864                                 psFwInfo->u32FirmwareLength);
 865                 up(&Adapter->fw_download_sema);
 866                 kfree(psFwInfo);
 867                 Status = -EINVAL;
 868                 return Status;
 869         }
 870
 871         Status = bcm_ioctl_fw_download(Adapter, psFwInfo);
 872
 873         if (Status != STATUS_SUCCESS) {
 874                 if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR)
 875                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL: Configuration File Upload Failed\n");
 876                 else
 877                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL: Firmware File Upload Failed\n");
 878
 879                 /* up(&Adapter->fw_download_sema); */
 880
 881                 if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
 882                         Adapter->DriverState = DRIVER_INIT;
 883                         Adapter->LEDInfo.bLedInitDone = false;
 884                         wake_up(&Adapter->LEDInfo.notify_led_event);
 885                 }
 886         }
 887
 888         if (Status != STATUS_SUCCESS)
 889                 up(&Adapter->fw_download_sema);
 890
 891         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, OSAL_DBG, DBG_LVL_ALL, "IOCTL: Firmware File Uploaded\n");
 892         kfree(psFwInfo);
 893         return Status;
 894 }
 895
 896 static int bcm_char_ioctl_buffer_download_stop(void __user *argp, struct bcm_mini_adapter *Adapter)
 897 {
 898         INT Status;
 899         int timeout = 0;
 900
 901         if (!down_trylock(&Adapter->fw_download_sema)) {
 902                 up(&Adapter->fw_download_sema);
 903                 return -EINVAL;
 904         }
 905
 906         if (down_trylock(&Adapter->NVMRdmWrmLock)) {
 907                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
 908                                 "FW download blocked as EEPROM Read/Write is in progress\n");
 909                 up(&Adapter->fw_download_sema);
 910                 return -EACCES;
 911         }
 912
 913         Adapter->bBinDownloaded = TRUE;
 914         Adapter->bCfgDownloaded = TRUE;
 915         atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
 916         Adapter->CurrNumRecvDescs = 0;
 917         Adapter->downloadDDR = 0;
 918
 919         /* setting the Mips to Run */
 920         Status = run_card_proc(Adapter);
 921
 922         if (Status) {
 923                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Firm Download Failed\n");
 924                 up(&Adapter->fw_download_sema);
 925                 up(&Adapter->NVMRdmWrmLock);
 926                 return Status;
 927         } else {
 928                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
 929                                 DBG_LVL_ALL, "Firm Download Over...\n");
 930         }
 931
 932         mdelay(10);
 933
 934         /* Wait for MailBox Interrupt */
 935         if (StartInterruptUrb((struct bcm_interface_adapter *)Adapter->pvInterfaceAdapter))
 936                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Unable to send interrupt...\n");
 937
 938         timeout = 5*HZ;
 939         Adapter->waiting_to_fw_download_done = false;
 940         wait_event_timeout(Adapter->ioctl_fw_dnld_wait_queue,
 941                         Adapter->waiting_to_fw_download_done, timeout);
 942         Adapter->fw_download_process_pid = INVALID_PID;
 943         Adapter->fw_download_done = TRUE;
 944         atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
 945         Adapter->CurrNumRecvDescs = 0;
 946         Adapter->PrevNumRecvDescs = 0;
 947         atomic_set(&Adapter->cntrlpktCnt, 0);
 948         Adapter->LinkUpStatus = 0;
 949         Adapter->LinkStatus = 0;
 950
 951         if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
 952                 Adapter->DriverState = FW_DOWNLOAD_DONE;
 953                 wake_up(&Adapter->LEDInfo.notify_led_event);
 954         }
 955
 956         if (!timeout)
 957                 Status = -ENODEV;
 958
 959         up(&Adapter->fw_download_sema);
 960         up(&Adapter->NVMRdmWrmLock);
 961         return Status;
 962 }
 963
 964 static int bcm_char_ioctl_chip_reset(struct bcm_mini_adapter *Adapter)
 965 {
 966         INT Status;
 967         INT NVMAccess;
 968
 969         NVMAccess = down_trylock(&Adapter->NVMRdmWrmLock);
 970         if (NVMAccess) {
 971                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, " IOCTL_BCM_CHIP_RESET not allowed as EEPROM Read/Write is in progress\n");
 972                 return -EACCES;
 973         }
 974
 975         down(&Adapter->RxAppControlQueuelock);
 976         Status = reset_card_proc(Adapter);
 977         flushAllAppQ();
 978         up(&Adapter->RxAppControlQueuelock);
 979         up(&Adapter->NVMRdmWrmLock);
 980         ResetCounters(Adapter);
 981         return Status;
 982 }
 983
 984 static int bcm_char_ioctl_qos_threshold(ULONG arg, struct bcm_mini_adapter *Adapter)
 985 {
 986         USHORT uiLoopIndex;
 987
 988         for (uiLoopIndex = 0; uiLoopIndex < NO_OF_QUEUES; uiLoopIndex++) {
 989                 if (get_user(Adapter->PackInfo[uiLoopIndex].uiThreshold,
 990                                 (unsigned long __user *)arg)) {
 991                         return -EFAULT;
 992                 }
 993         }
 994         return 0;
 995 }
 996
 997 static int bcm_char_ioctl_switch_transfer_mode(void __user *argp, struct bcm_mini_adapter *Adapter)
 998 {
 999         UINT uiData = 0;
1000
1001         if (copy_from_user(&uiData, argp, sizeof(UINT)))
1002                 return -EFAULT;
1003
1004         if (uiData) {
1005                 /* Allow All Packets */
1006                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: ETH_PACKET_TUNNELING_MODE\n");
1007                         Adapter->TransferMode = ETH_PACKET_TUNNELING_MODE;
1008         } else {
1009                 /* Allow IP only Packets */
1010                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: IP_PACKET_ONLY_MODE\n");
1011                 Adapter->TransferMode = IP_PACKET_ONLY_MODE;
1012         }
1013         return STATUS_SUCCESS;
1014 }
1015
1016 static int bcm_char_ioctl_get_driver_version(void __user *argp)
1017 {
1018         struct bcm_ioctl_buffer IoBuffer;
1019         ulong len;
1020
1021         /* Copy Ioctl Buffer structure */
1022         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1023                 return -EFAULT;
1024
1025         len = min_t(ulong, IoBuffer.OutputLength, strlen(DRV_VERSION) + 1);
1026
1027         if (copy_to_user(IoBuffer.OutputBuffer, DRV_VERSION, len))
1028                 return -EFAULT;
1029
1030         return STATUS_SUCCESS;
1031 }
1032
1033 static int bcm_char_ioctl_get_current_status(void __user *argp, struct bcm_mini_adapter *Adapter)
1034 {
1035         struct bcm_link_state link_state;
1036         struct bcm_ioctl_buffer IoBuffer;
1037
1038         /* Copy Ioctl Buffer structure */
1039         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
1040                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user failed..\n");
1041                 return -EFAULT;
1042         }
1043
1044         if (IoBuffer.OutputLength != sizeof(link_state))
1045                 return -EINVAL;
1046
1047         memset(&link_state, 0, sizeof(link_state));
1048         link_state.bIdleMode = Adapter->IdleMode;
1049         link_state.bShutdownMode = Adapter->bShutStatus;
1050         link_state.ucLinkStatus = Adapter->LinkStatus;
1051
1052         if (copy_to_user(IoBuffer.OutputBuffer, &link_state, min_t(size_t, sizeof(link_state), IoBuffer.OutputLength))) {
1053                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy_to_user Failed..\n");
1054                 return -EFAULT;
1055         }
1056         return STATUS_SUCCESS;
1057 }
1058
1059
1060 static int bcm_char_ioctl_set_mac_tracing(void __user *argp, struct bcm_mini_adapter *Adapter)
1061 {
1062         struct bcm_ioctl_buffer IoBuffer;
1063         UINT tracing_flag;
1064
1065         /* copy ioctl Buffer structure */
1066         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1067                 return -EFAULT;
1068
1069         if (copy_from_user(&tracing_flag, IoBuffer.InputBuffer, sizeof(UINT)))
1070                 return -EFAULT;
1071
1072         if (tracing_flag)
1073                 Adapter->pTarangs->MacTracingEnabled = TRUE;
1074         else
1075                 Adapter->pTarangs->MacTracingEnabled = false;
1076
1077         return STATUS_SUCCESS;
1078 }
1079
1080 static int bcm_char_ioctl_get_dsx_indication(void __user *argp, struct bcm_mini_adapter *Adapter)
1081 {
1082         struct bcm_ioctl_buffer IoBuffer;
1083         ULONG ulSFId = 0;
1084
1085         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1086                 return -EFAULT;
1087
1088         if (IoBuffer.OutputLength < sizeof(struct bcm_add_indication_alt)) {
1089                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
1090                                 "Mismatch req: %lx needed is =0x%zx!!!",
1091                                 IoBuffer.OutputLength, sizeof(struct bcm_add_indication_alt));
1092                 return -EINVAL;
1093         }
1094
1095         if (copy_from_user(&ulSFId, IoBuffer.InputBuffer, sizeof(ulSFId)))
1096                 return -EFAULT;
1097
1098         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Get DSX Data SF ID is =%lx\n", ulSFId);
1099         get_dsx_sf_data_to_application(Adapter, ulSFId, IoBuffer.OutputBuffer);
1100         return STATUS_SUCCESS;
1101 }
1102
1103 static int bcm_char_ioctl_get_host_mibs(void __user *argp, struct bcm_mini_adapter *Adapter, struct bcm_tarang_data *pTarang)
1104 {
1105         struct bcm_ioctl_buffer IoBuffer;
1106         INT Status = STATUS_FAILURE;
1107         PVOID temp_buff;
1108
1109         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1110                 return -EFAULT;
1111
1112         if (IoBuffer.OutputLength != sizeof(struct bcm_host_stats_mibs)) {
1113                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
1114                                 "Length Check failed %lu %zd\n",
1115                                 IoBuffer.OutputLength, sizeof(struct bcm_host_stats_mibs));
1116                 return -EINVAL;
1117         }
1118
1119         /* FIXME: HOST_STATS are too big for kmalloc (122048)! */
1120         temp_buff = kzalloc(sizeof(struct bcm_host_stats_mibs), GFP_KERNEL);
1121         if (!temp_buff)
1122                 return STATUS_FAILURE;
1123
1124         Status = ProcessGetHostMibs(Adapter, temp_buff);
1125         GetDroppedAppCntrlPktMibs(temp_buff, pTarang);
1126
1127         if (Status != STATUS_FAILURE) {
1128                 if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, sizeof(struct bcm_host_stats_mibs))) {
1129                         kfree(temp_buff);
1130                         return -EFAULT;
1131                 }
1132         }
1133
1134         kfree(temp_buff);
1135         return Status;
1136 }
1137
1138 static int bcm_char_ioctl_bulk_wrm(void __user *argp, struct bcm_mini_adapter *Adapter, UINT cmd)
1139 {
1140         struct bcm_bulk_wrm_buffer *pBulkBuffer;
1141         struct bcm_ioctl_buffer IoBuffer;
1142         UINT uiTempVar = 0;
1143         INT Status = STATUS_FAILURE;
1144         PCHAR pvBuffer = NULL;
1145
1146         if ((Adapter->IdleMode == TRUE) ||
1147                 (Adapter->bShutStatus == TRUE) ||
1148                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
1149
1150                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "Device in Idle/Shutdown Mode, Blocking Wrms\n");
1151                 return -EACCES;
1152         }
1153
1154         /* Copy Ioctl Buffer structure */
1155         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1156                 return -EFAULT;
1157
1158         if (IoBuffer.InputLength < sizeof(ULONG) * 2)
1159                 return -EINVAL;
1160
1161         pvBuffer = memdup_user(IoBuffer.InputBuffer,
1162                                IoBuffer.InputLength);
1163         if (IS_ERR(pvBuffer))
1164                 return PTR_ERR(pvBuffer);
1165
1166         pBulkBuffer = (struct bcm_bulk_wrm_buffer *)pvBuffer;
1167
1168         if (((ULONG)pBulkBuffer->Register & 0x0F000000) != 0x0F000000 ||
1169                 ((ULONG)pBulkBuffer->Register & 0x3)) {
1170                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Done On invalid Address : %x Access Denied.\n", (int)pBulkBuffer->Register);
1171                 kfree(pvBuffer);
1172                 return -EINVAL;
1173         }
1174
1175         uiTempVar = pBulkBuffer->Register & EEPROM_REJECT_MASK;
1176         if (!((Adapter->pstargetparams->m_u32Customize)&VSG_MODE) &&
1177                 ((uiTempVar == EEPROM_REJECT_REG_1) ||
1178                         (uiTempVar == EEPROM_REJECT_REG_2) ||
1179                         (uiTempVar == EEPROM_REJECT_REG_3) ||
1180                         (uiTempVar == EEPROM_REJECT_REG_4)) &&
1181                 (cmd == IOCTL_BCM_REGISTER_WRITE)) {
1182
1183                 kfree(pvBuffer);
1184                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "EEPROM Access Denied, not in VSG Mode\n");
1185                 return -EFAULT;
1186         }
1187
1188         if (pBulkBuffer->SwapEndian == false)
1189                 Status = wrmWithLock(Adapter, (UINT)pBulkBuffer->Register, (PCHAR)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
1190         else
1191                 Status = wrmaltWithLock(Adapter, (UINT)pBulkBuffer->Register, (PUINT)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
1192
1193         if (Status != STATUS_SUCCESS)
1194                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Failed\n");
1195
1196         kfree(pvBuffer);
1197         return Status;
1198 }
1199
1200 static int bcm_char_ioctl_get_nvm_size(void __user *argp, struct bcm_mini_adapter *Adapter)
1201 {
1202         struct bcm_ioctl_buffer IoBuffer;
1203
1204         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1205                 return -EFAULT;
1206
1207         if (Adapter->eNVMType == NVM_EEPROM || Adapter->eNVMType == NVM_FLASH) {
1208                 if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiNVMDSDSize, sizeof(UINT)))
1209                         return -EFAULT;
1210         }
1211
1212         return STATUS_SUCCESS;
1213 }
1214
1215 static int bcm_char_ioctl_cal_init(void __user *argp, struct bcm_mini_adapter *Adapter)
1216 {
1217         struct bcm_ioctl_buffer IoBuffer;
1218         UINT uiSectorSize = 0;
1219         INT Status = STATUS_FAILURE;
1220
1221         if (Adapter->eNVMType == NVM_FLASH) {
1222                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1223                         return -EFAULT;
1224
1225                 if (copy_from_user(&uiSectorSize, IoBuffer.InputBuffer, sizeof(UINT)))
1226                         return -EFAULT;
1227
1228                 if ((uiSectorSize < MIN_SECTOR_SIZE) || (uiSectorSize > MAX_SECTOR_SIZE)) {
1229                         if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize,
1230                                                 sizeof(UINT)))
1231                                 return -EFAULT;
1232                 } else {
1233                         if (IsFlash2x(Adapter)) {
1234                                 if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize, sizeof(UINT)))
1235                                         return -EFAULT;
1236                         } else {
1237                                 if ((TRUE == Adapter->bShutStatus) || (TRUE == Adapter->IdleMode)) {
1238                                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is in Idle/Shutdown Mode\n");
1239                                         return -EACCES;
1240                                 }
1241
1242                                 Adapter->uiSectorSize = uiSectorSize;
1243                                 BcmUpdateSectorSize(Adapter, Adapter->uiSectorSize);
1244                         }
1245                 }
1246                 Status = STATUS_SUCCESS;
1247         } else {
1248                 Status = STATUS_FAILURE;
1249         }
1250         return Status;
1251 }
1252
1253 static int bcm_char_ioctl_set_debug(void __user *argp, struct bcm_mini_adapter *Adapter)
1254 {
1255 #ifdef DEBUG
1256         struct bcm_ioctl_buffer IoBuffer;
1257         struct bcm_user_debug_state sUserDebugState;
1258
1259         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "In SET_DEBUG ioctl\n");
1260         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1261                 return -EFAULT;
1262
1263         if (copy_from_user(&sUserDebugState, IoBuffer.InputBuffer, sizeof(struct bcm_user_debug_state)))
1264                 return -EFAULT;
1265
1266         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL_BCM_SET_DEBUG: OnOff=%d Type = 0x%x ",
1267                         sUserDebugState.OnOff, sUserDebugState.Type);
1268         /* sUserDebugState.Subtype <<= 1; */
1269         sUserDebugState.Subtype = 1 << sUserDebugState.Subtype;
1270         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "actual Subtype=0x%x\n", sUserDebugState.Subtype);
1271
1272         /* Update new 'DebugState' in the Adapter */
1273         Adapter->stDebugState.type |= sUserDebugState.Type;
1274         /* Subtype: A bitmap of 32 bits for Subtype per Type.
1275          * Valid indexes in 'subtype' array: 1,2,4,8
1276          * corresponding to valid Type values. Hence we can use the 'Type' field
1277          * as the index value, ignoring the array entries 0,3,5,6,7 !
1278          */
1279         if (sUserDebugState.OnOff)
1280                 Adapter->stDebugState.subtype[sUserDebugState.Type] |= sUserDebugState.Subtype;
1281         else
1282                 Adapter->stDebugState.subtype[sUserDebugState.Type] &= ~sUserDebugState.Subtype;
1283
1284         BCM_SHOW_DEBUG_BITMAP(Adapter);
1285 #endif
1286         return STATUS_SUCCESS;
1287 }
1288
1289
1290 static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
1291 {
1292         struct bcm_tarang_data *pTarang = filp->private_data;
1293         void __user *argp = (void __user *)arg;
1294         struct bcm_mini_adapter *Adapter = pTarang->Adapter;
1295         INT Status = STATUS_FAILURE;
1296         struct bcm_ioctl_buffer IoBuffer;
1297
1298         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
1299                         "Parameters Passed to control IOCTL cmd=0x%X arg=0x%lX",
1300                         cmd, arg);
1301
1302         if (_IOC_TYPE(cmd) != BCM_IOCTL)
1303                 return -EFAULT;
1304         if (_IOC_DIR(cmd) & _IOC_READ)
1305                 Status = !access_ok(VERIFY_WRITE, argp, _IOC_SIZE(cmd));
1306         else if (_IOC_DIR(cmd) & _IOC_WRITE)
1307                 Status = !access_ok(VERIFY_READ, argp, _IOC_SIZE(cmd));
1308         else if (_IOC_NONE == (_IOC_DIR(cmd) & _IOC_NONE))
1309                 Status = STATUS_SUCCESS;
1310
1311         if (Status)
1312                 return -EFAULT;
1313
1314         if (Adapter->device_removed)
1315                 return -EFAULT;
1316
1317         if (false == Adapter->fw_download_done) {
1318                 switch (cmd) {
1319                 case IOCTL_MAC_ADDR_REQ:
1320                 case IOCTL_LINK_REQ:
1321                 case IOCTL_CM_REQUEST:
1322                 case IOCTL_SS_INFO_REQ:
1323                 case IOCTL_SEND_CONTROL_MESSAGE:
1324                 case IOCTL_IDLE_REQ:
1325                 case IOCTL_BCM_GPIO_SET_REQUEST:
1326                 case IOCTL_BCM_GPIO_STATUS_REQUEST:
1327                         return -EACCES;
1328                 default:
1329                         break;
1330                 }
1331         }
1332
1333         Status = vendorextnIoctl(Adapter, cmd, arg);
1334         if (Status != CONTINUE_COMMON_PATH)
1335                 return Status;
1336
1337         switch (cmd) {
1338         /* Rdms for Swin Idle... */
1339         case IOCTL_BCM_REGISTER_READ_PRIVATE:
1340                 Status = bcm_char_ioctl_reg_read_private(argp, Adapter);
1341                 return Status;
1342
1343         case IOCTL_BCM_REGISTER_WRITE_PRIVATE:
1344                 Status = bcm_char_ioctl_reg_write_private(argp, Adapter);
1345                 return Status;
1346
1347         case IOCTL_BCM_REGISTER_READ:
1348         case IOCTL_BCM_EEPROM_REGISTER_READ:
1349                 Status = bcm_char_ioctl_eeprom_reg_read(argp, Adapter);
1350                 return Status;
1351
1352         case IOCTL_BCM_REGISTER_WRITE:
1353         case IOCTL_BCM_EEPROM_REGISTER_WRITE:
1354                 Status = bcm_char_ioctl_eeprom_reg_write(argp, Adapter, cmd);
1355                 return Status;
1356
1357         case IOCTL_BCM_GPIO_SET_REQUEST:
1358                 Status = bcm_char_ioctl_gpio_set_request(argp, Adapter);
1359                 return Status;
1360
1361         case BCM_LED_THREAD_STATE_CHANGE_REQ:
1362                 Status = bcm_char_ioctl_led_thread_state_change_req(argp, Adapter);
1363                 return Status;
1364
1365         case IOCTL_BCM_GPIO_STATUS_REQUEST:
1366                 Status = bcm_char_ioctl_gpio_status_request(argp, Adapter);
1367                 return Status;
1368
1369         case IOCTL_BCM_GPIO_MULTI_REQUEST:
1370                 Status = bcm_char_ioctl_gpio_multi_request(argp, Adapter);
1371                 return Status;
1372
1373         case IOCTL_BCM_GPIO_MODE_REQUEST:
1374                 Status = bcm_char_ioctl_gpio_mode_request(argp, Adapter);
1375                 return Status;
1376
1377         case IOCTL_MAC_ADDR_REQ:
1378         case IOCTL_LINK_REQ:
1379         case IOCTL_CM_REQUEST:
1380         case IOCTL_SS_INFO_REQ:
1381         case IOCTL_SEND_CONTROL_MESSAGE:
1382         case IOCTL_IDLE_REQ:
1383                 Status = bcm_char_ioctl_misc_request(argp, Adapter);
1384                 return Status;
1385
1386         case IOCTL_BCM_BUFFER_DOWNLOAD_START:
1387                 Status = bcm_char_ioctl_buffer_download_start(Adapter);
1388                 return Status;
1389
1390         case IOCTL_BCM_BUFFER_DOWNLOAD:
1391                 Status = bcm_char_ioctl_buffer_download(argp, Adapter);
1392                 return Status;
1393
1394         case IOCTL_BCM_BUFFER_DOWNLOAD_STOP:
1395                 Status = bcm_char_ioctl_buffer_download_stop(argp, Adapter);
1396                 return Status;
1397
1398
1399         case IOCTL_BE_BUCKET_SIZE:
1400                 Status = 0;
1401                 if (get_user(Adapter->BEBucketSize, (unsigned long __user *)arg))
1402                         Status = -EFAULT;
1403                 break;
1404
1405         case IOCTL_RTPS_BUCKET_SIZE:
1406                 Status = 0;
1407                 if (get_user(Adapter->rtPSBucketSize, (unsigned long __user *)arg))
1408                         Status = -EFAULT;
1409                 break;
1410
1411         case IOCTL_CHIP_RESET:
1412                 Status = bcm_char_ioctl_chip_reset(Adapter);
1413                 return Status;
1414
1415         case IOCTL_QOS_THRESHOLD:
1416                 Status = bcm_char_ioctl_qos_threshold(arg, Adapter);
1417                 return Status;
1418
1419         case IOCTL_DUMP_PACKET_INFO:
1420                 DumpPackInfo(Adapter);
1421                 DumpPhsRules(&Adapter->stBCMPhsContext);
1422                 Status = STATUS_SUCCESS;
1423                 break;
1424
1425         case IOCTL_GET_PACK_INFO:
1426                 if (copy_to_user(argp, &Adapter->PackInfo, sizeof(struct bcm_packet_info)*NO_OF_QUEUES))
1427                         return -EFAULT;
1428                 Status = STATUS_SUCCESS;
1429                 break;
1430
1431         case IOCTL_BCM_SWITCH_TRANSFER_MODE:
1432                 Status = bcm_char_ioctl_switch_transfer_mode(argp, Adapter);
1433                 return Status;
1434
1435         case IOCTL_BCM_GET_DRIVER_VERSION:
1436                 Status = bcm_char_ioctl_get_driver_version(argp);
1437                 return Status;
1438
1439         case IOCTL_BCM_GET_CURRENT_STATUS:
1440                 Status = bcm_char_ioctl_get_current_status(argp, Adapter);
1441                 return Status;
1442
1443         case IOCTL_BCM_SET_MAC_TRACING:
1444                 Status = bcm_char_ioctl_set_mac_tracing(argp, Adapter);
1445                 return Status;
1446
1447         case IOCTL_BCM_GET_DSX_INDICATION:
1448                 Status = bcm_char_ioctl_get_dsx_indication(argp, Adapter);
1449                 return Status;
1450
1451         case IOCTL_BCM_GET_HOST_MIBS:
1452                 Status = bcm_char_ioctl_get_host_mibs(argp, Adapter, pTarang);
1453                 return Status;
1454
1455         case IOCTL_BCM_WAKE_UP_DEVICE_FROM_IDLE:
1456                 if ((false == Adapter->bTriedToWakeUpFromlowPowerMode) && (TRUE == Adapter->IdleMode)) {
1457                         Adapter->usIdleModePattern = ABORT_IDLE_MODE;
1458                         Adapter->bWakeUpDevice = TRUE;
1459                         wake_up(&Adapter->process_rx_cntrlpkt);
1460                 }
1461
1462                 Status = STATUS_SUCCESS;
1463                 break;
1464
1465         case IOCTL_BCM_BULK_WRM:
1466                 Status = bcm_char_ioctl_bulk_wrm(argp, Adapter, cmd);
1467                 return Status;
1468
1469         case IOCTL_BCM_GET_NVM_SIZE:
1470                 Status = bcm_char_ioctl_get_nvm_size(argp, Adapter);
1471                 return Status;
1472
1473         case IOCTL_BCM_CAL_INIT:
1474                 Status = bcm_char_ioctl_cal_init(argp, Adapter);
1475                 return Status;
1476
1477         case IOCTL_BCM_SET_DEBUG:
1478                 Status = bcm_char_ioctl_set_debug(argp, Adapter);
1479                 return Status;
1480
1481         case IOCTL_BCM_NVM_READ:
1482         case IOCTL_BCM_NVM_WRITE: {
1483                 struct bcm_nvm_readwrite stNVMReadWrite;
1484                 PUCHAR pReadData = NULL;
1485                 ULONG ulDSDMagicNumInUsrBuff = 0;
1486                 struct timeval tv0, tv1;
1487                 memset(&tv0, 0, sizeof(struct timeval));
1488                 memset(&tv1, 0, sizeof(struct timeval));
1489                 if ((Adapter->eNVMType == NVM_FLASH) && (Adapter->uiFlashLayoutMajorVersion == 0)) {
1490                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "The Flash Control Section is Corrupted. Hence Rejection on NVM Read/Write\n");
1491                         return -EFAULT;
1492                 }
1493
1494                 if (IsFlash2x(Adapter)) {
1495                         if ((Adapter->eActiveDSD != DSD0) &&
1496                                 (Adapter->eActiveDSD != DSD1) &&
1497                                 (Adapter->eActiveDSD != DSD2)) {
1498
1499                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "No DSD is active..hence NVM Command is blocked");
1500                                 return STATUS_FAILURE;
1501                         }
1502                 }
1503
1504                 /* Copy Ioctl Buffer structure */
1505                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1506                         return -EFAULT;
1507
1508                 if (copy_from_user(&stNVMReadWrite,
1509                                         (IOCTL_BCM_NVM_READ == cmd) ? IoBuffer.OutputBuffer : IoBuffer.InputBuffer,
1510                                         sizeof(struct bcm_nvm_readwrite)))
1511                         return -EFAULT;
1512
1513                 /*
1514                  * Deny the access if the offset crosses the cal area limit.
1515                  */
1516                 if (stNVMReadWrite.uiNumBytes > Adapter->uiNVMDSDSize)
1517                         return STATUS_FAILURE;
1518
1519                 if (stNVMReadWrite.uiOffset > Adapter->uiNVMDSDSize - stNVMReadWrite.uiNumBytes) {
1520                         /* 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); */
1521                         return STATUS_FAILURE;
1522                 }
1523
1524                 pReadData = memdup_user(stNVMReadWrite.pBuffer,
1525                                         stNVMReadWrite.uiNumBytes);
1526                 if (IS_ERR(pReadData))
1527                         return PTR_ERR(pReadData);
1528
1529                 do_gettimeofday(&tv0);
1530                 if (IOCTL_BCM_NVM_READ == cmd) {
1531                         down(&Adapter->NVMRdmWrmLock);
1532
1533                         if ((Adapter->IdleMode == TRUE) ||
1534                                 (Adapter->bShutStatus == TRUE) ||
1535                                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
1536
1537                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1538                                 up(&Adapter->NVMRdmWrmLock);
1539                                 kfree(pReadData);
1540                                 return -EACCES;
1541                         }
1542
1543                         Status = BeceemNVMRead(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes);
1544                         up(&Adapter->NVMRdmWrmLock);
1545
1546                         if (Status != STATUS_SUCCESS) {
1547                                 kfree(pReadData);
1548                                 return Status;
1549                         }
1550
1551                         if (copy_to_user(stNVMReadWrite.pBuffer, pReadData, stNVMReadWrite.uiNumBytes)) {
1552                                 kfree(pReadData);
1553                                 return -EFAULT;
1554                         }
1555                 } else {
1556                         down(&Adapter->NVMRdmWrmLock);
1557
1558                         if ((Adapter->IdleMode == TRUE) ||
1559                                 (Adapter->bShutStatus == TRUE) ||
1560                                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
1561
1562                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1563                                 up(&Adapter->NVMRdmWrmLock);
1564                                 kfree(pReadData);
1565                                 return -EACCES;
1566                         }
1567
1568                         Adapter->bHeaderChangeAllowed = TRUE;
1569                         if (IsFlash2x(Adapter)) {
1570                                 /*
1571                                  *                      New Requirement:-
1572                                  *                      DSD section updation will be allowed in two case:-
1573                                  *                      1.  if DSD sig is present in DSD header means dongle is ok and updation is fruitfull
1574                                  *                      2.  if point 1 failes then user buff should have DSD sig. this point ensures that if dongle is
1575                                  *                            corrupted then user space program first modify the DSD header with valid DSD sig so
1576                                  *                            that this as well as further write may be worthwhile.
1577                                  *
1578                                  *                       This restriction has been put assuming that if DSD sig is corrupted, DSD
1579                                  *                       data won't be considered valid.
1580                                  */
1581
1582                                 Status = BcmFlash2xCorruptSig(Adapter, Adapter->eActiveDSD);
1583                                 if (Status != STATUS_SUCCESS) {
1584                                         if (((stNVMReadWrite.uiOffset + stNVMReadWrite.uiNumBytes) != Adapter->uiNVMDSDSize) ||
1585                                                 (stNVMReadWrite.uiNumBytes < SIGNATURE_SIZE)) {
1586
1587                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input..");
1588                                                 up(&Adapter->NVMRdmWrmLock);
1589                                                 kfree(pReadData);
1590                                                 return Status;
1591                                         }
1592
1593                                         ulDSDMagicNumInUsrBuff = ntohl(*(PUINT)(pReadData + stNVMReadWrite.uiNumBytes - SIGNATURE_SIZE));
1594                                         if (ulDSDMagicNumInUsrBuff != DSD_IMAGE_MAGIC_NUMBER) {
1595                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input..");
1596                                                 up(&Adapter->NVMRdmWrmLock);
1597                                                 kfree(pReadData);
1598                                                 return Status;
1599                                         }
1600                                 }
1601                         }
1602
1603                         Status = BeceemNVMWrite(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes, stNVMReadWrite.bVerify);
1604                         if (IsFlash2x(Adapter))
1605                                 BcmFlash2xWriteSig(Adapter, Adapter->eActiveDSD);
1606
1607                         Adapter->bHeaderChangeAllowed = false;
1608
1609                         up(&Adapter->NVMRdmWrmLock);
1610
1611                         if (Status != STATUS_SUCCESS) {
1612                                 kfree(pReadData);
1613                                 return Status;
1614                         }
1615                 }
1616
1617                 do_gettimeofday(&tv1);
1618                 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);
1619
1620                 kfree(pReadData);
1621                 return STATUS_SUCCESS;
1622         }
1623
1624         case IOCTL_BCM_FLASH2X_SECTION_READ: {
1625                 struct bcm_flash2x_readwrite sFlash2xRead = {0};
1626                 PUCHAR pReadBuff = NULL;
1627                 UINT NOB = 0;
1628                 UINT BuffSize = 0;
1629                 UINT ReadBytes = 0;
1630                 UINT ReadOffset = 0;
1631                 void __user *OutPutBuff;
1632
1633                 if (IsFlash2x(Adapter) != TRUE) {
1634                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1635                         return -EINVAL;
1636                 }
1637
1638                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_READ Called");
1639                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1640                         return -EFAULT;
1641
1642                 /* Reading FLASH 2.x READ structure */
1643                 if (copy_from_user(&sFlash2xRead, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_readwrite)))
1644                         return -EFAULT;
1645
1646                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xRead.Section);
1647                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%x", sFlash2xRead.offset);
1648                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xRead.numOfBytes);
1649                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xRead.bVerify);
1650
1651                 /* This was internal to driver for raw read. now it has ben exposed to user space app. */
1652                 if (validateFlash2xReadWrite(Adapter, &sFlash2xRead) == false)
1653                         return STATUS_FAILURE;
1654
1655                 NOB = sFlash2xRead.numOfBytes;
1656                 if (NOB > Adapter->uiSectorSize)
1657                         BuffSize = Adapter->uiSectorSize;
1658                 else
1659                         BuffSize = NOB;
1660
1661                 ReadOffset = sFlash2xRead.offset;
1662                 OutPutBuff = IoBuffer.OutputBuffer;
1663                 pReadBuff = (PCHAR)kzalloc(BuffSize , GFP_KERNEL);
1664
1665                 if (pReadBuff == NULL) {
1666                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure");
1667                         return -ENOMEM;
1668                 }
1669                 down(&Adapter->NVMRdmWrmLock);
1670
1671                 if ((Adapter->IdleMode == TRUE) ||
1672                         (Adapter->bShutStatus == TRUE) ||
1673                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1674
1675                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1676                         up(&Adapter->NVMRdmWrmLock);
1677                         kfree(pReadBuff);
1678                         return -EACCES;
1679                 }
1680
1681                 while (NOB) {
1682                         if (NOB > Adapter->uiSectorSize)
1683                                 ReadBytes = Adapter->uiSectorSize;
1684                         else
1685                                 ReadBytes = NOB;
1686
1687                         /* Reading the data from Flash 2.x */
1688                         Status = BcmFlash2xBulkRead(Adapter, (PUINT)pReadBuff, sFlash2xRead.Section, ReadOffset, ReadBytes);
1689                         if (Status) {
1690                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Flash 2x read err with Status :%d", Status);
1691                                 break;
1692                         }
1693
1694                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes);
1695
1696                         Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes);
1697                         if (Status) {
1698                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Copy to use failed with status :%d", Status);
1699                                 up(&Adapter->NVMRdmWrmLock);
1700                                 kfree(pReadBuff);
1701                                 return -EFAULT;
1702                         }
1703                         NOB = NOB - ReadBytes;
1704                         if (NOB) {
1705                                 ReadOffset = ReadOffset + ReadBytes;
1706                                 OutPutBuff = OutPutBuff + ReadBytes;
1707                         }
1708                 }
1709
1710                 up(&Adapter->NVMRdmWrmLock);
1711                 kfree(pReadBuff);
1712         }
1713         break;
1714
1715         case IOCTL_BCM_FLASH2X_SECTION_WRITE: {
1716                 struct bcm_flash2x_readwrite sFlash2xWrite = {0};
1717                 PUCHAR pWriteBuff;
1718                 void __user *InputAddr;
1719                 UINT NOB = 0;
1720                 UINT BuffSize = 0;
1721                 UINT WriteOffset = 0;
1722                 UINT WriteBytes = 0;
1723
1724                 if (IsFlash2x(Adapter) != TRUE) {
1725                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1726                         return -EINVAL;
1727                 }
1728
1729                 /* First make this False so that we can enable the Sector Permission Check in BeceemFlashBulkWrite */
1730                 Adapter->bAllDSDWriteAllow = false;
1731
1732                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_WRITE Called");
1733
1734                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1735                         return -EFAULT;
1736
1737                 /* Reading FLASH 2.x READ structure */
1738                 if (copy_from_user(&sFlash2xWrite, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_readwrite)))
1739                         return -EFAULT;
1740
1741                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xWrite.Section);
1742                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%d", sFlash2xWrite.offset);
1743                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xWrite.numOfBytes);
1744                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xWrite.bVerify);
1745
1746                 if ((sFlash2xWrite.Section != VSA0) && (sFlash2xWrite.Section != VSA1) && (sFlash2xWrite.Section != VSA2)) {
1747                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Only VSA write is allowed");
1748                         return -EINVAL;
1749                 }
1750
1751                 if (validateFlash2xReadWrite(Adapter, &sFlash2xWrite) == false)
1752                         return STATUS_FAILURE;
1753
1754                 InputAddr = sFlash2xWrite.pDataBuff;
1755                 WriteOffset = sFlash2xWrite.offset;
1756                 NOB = sFlash2xWrite.numOfBytes;
1757
1758                 if (NOB > Adapter->uiSectorSize)
1759                         BuffSize = Adapter->uiSectorSize;
1760                 else
1761                         BuffSize = NOB;
1762
1763                 pWriteBuff = kmalloc(BuffSize, GFP_KERNEL);
1764
1765                 if (pWriteBuff == NULL)
1766                         return -ENOMEM;
1767
1768                 /* extracting the remainder of the given offset. */
1769                 WriteBytes = Adapter->uiSectorSize;
1770                 if (WriteOffset % Adapter->uiSectorSize)
1771                         WriteBytes = Adapter->uiSectorSize - (WriteOffset % Adapter->uiSectorSize);
1772
1773                 if (NOB < WriteBytes)
1774                         WriteBytes = NOB;
1775
1776                 down(&Adapter->NVMRdmWrmLock);
1777
1778                 if ((Adapter->IdleMode == TRUE) ||
1779                         (Adapter->bShutStatus == TRUE) ||
1780                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1781
1782                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1783                         up(&Adapter->NVMRdmWrmLock);
1784                         kfree(pWriteBuff);
1785                         return -EACCES;
1786                 }
1787
1788                 BcmFlash2xCorruptSig(Adapter, sFlash2xWrite.Section);
1789                 do {
1790                         Status = copy_from_user(pWriteBuff, InputAddr, WriteBytes);
1791                         if (Status) {
1792                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to user failed with status :%d", Status);
1793                                 up(&Adapter->NVMRdmWrmLock);
1794                                 kfree(pWriteBuff);
1795                                 return -EFAULT;
1796                         }
1797                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pWriteBuff, WriteBytes);
1798
1799                         /* Writing the data from Flash 2.x */
1800                         Status = BcmFlash2xBulkWrite(Adapter, (PUINT)pWriteBuff, sFlash2xWrite.Section, WriteOffset, WriteBytes, sFlash2xWrite.bVerify);
1801
1802                         if (Status) {
1803                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status);
1804                                 break;
1805                         }
1806
1807                         NOB = NOB - WriteBytes;
1808                         if (NOB) {
1809                                 WriteOffset = WriteOffset + WriteBytes;
1810                                 InputAddr = InputAddr + WriteBytes;
1811                                 if (NOB > Adapter->uiSectorSize)
1812                                         WriteBytes = Adapter->uiSectorSize;
1813                                 else
1814                                         WriteBytes = NOB;
1815                         }
1816                 } while (NOB > 0);
1817
1818                 BcmFlash2xWriteSig(Adapter, sFlash2xWrite.Section);
1819                 up(&Adapter->NVMRdmWrmLock);
1820                 kfree(pWriteBuff);
1821         }
1822         break;
1823
1824         case IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP: {
1825                 struct bcm_flash2x_bitmap *psFlash2xBitMap;
1826                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP Called");
1827
1828                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1829                         return -EFAULT;
1830
1831                 if (IoBuffer.OutputLength != sizeof(struct bcm_flash2x_bitmap))
1832                         return -EINVAL;
1833
1834                 psFlash2xBitMap = kzalloc(sizeof(struct bcm_flash2x_bitmap), GFP_KERNEL);
1835                 if (psFlash2xBitMap == NULL) {
1836                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory is not available");
1837                         return -ENOMEM;
1838                 }
1839
1840                 /* Reading the Flash Sectio Bit map */
1841                 down(&Adapter->NVMRdmWrmLock);
1842
1843                 if ((Adapter->IdleMode == TRUE) ||
1844                         (Adapter->bShutStatus == TRUE) ||
1845                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1846
1847                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1848                         up(&Adapter->NVMRdmWrmLock);
1849                         kfree(psFlash2xBitMap);
1850                         return -EACCES;
1851                 }
1852
1853                 BcmGetFlash2xSectionalBitMap(Adapter, psFlash2xBitMap);
1854                 up(&Adapter->NVMRdmWrmLock);
1855                 if (copy_to_user(IoBuffer.OutputBuffer, psFlash2xBitMap, sizeof(struct bcm_flash2x_bitmap))) {
1856                         kfree(psFlash2xBitMap);
1857                         return -EFAULT;
1858                 }
1859
1860                 kfree(psFlash2xBitMap);
1861         }
1862         break;
1863
1864         case IOCTL_BCM_SET_ACTIVE_SECTION: {
1865                 enum bcm_flash2x_section_val eFlash2xSectionVal = 0;
1866                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SET_ACTIVE_SECTION Called");
1867
1868                 if (IsFlash2x(Adapter) != TRUE) {
1869                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1870                         return -EINVAL;
1871                 }
1872
1873                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1874                 if (Status) {
1875                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1876                         return -EFAULT;
1877                 }
1878
1879                 Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT));
1880                 if (Status) {
1881                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed");
1882                         return -EFAULT;
1883                 }
1884
1885                 down(&Adapter->NVMRdmWrmLock);
1886
1887                 if ((Adapter->IdleMode == TRUE) ||
1888                         (Adapter->bShutStatus == TRUE) ||
1889                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1890
1891                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1892                         up(&Adapter->NVMRdmWrmLock);
1893                         return -EACCES;
1894                 }
1895
1896                 Status = BcmSetActiveSection(Adapter, eFlash2xSectionVal);
1897                 if (Status)
1898                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Failed to make it's priority Highest. Status %d", Status);
1899
1900                 up(&Adapter->NVMRdmWrmLock);
1901         }
1902         break;
1903
1904         case IOCTL_BCM_IDENTIFY_ACTIVE_SECTION: {
1905                 /* Right Now we are taking care of only DSD */
1906                 Adapter->bAllDSDWriteAllow = false;
1907                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_IDENTIFY_ACTIVE_SECTION called");
1908                 Status = STATUS_SUCCESS;
1909         }
1910         break;
1911
1912         case IOCTL_BCM_COPY_SECTION: {
1913                 struct bcm_flash2x_copy_section sCopySectStrut = {0};
1914                 Status = STATUS_SUCCESS;
1915                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_COPY_SECTION  Called");
1916
1917                 Adapter->bAllDSDWriteAllow = false;
1918                 if (IsFlash2x(Adapter) != TRUE) {
1919                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1920                         return -EINVAL;
1921                 }
1922
1923                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1924                 if (Status) {
1925                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed Status :%d", Status);
1926                         return -EFAULT;
1927                 }
1928
1929                 Status = copy_from_user(&sCopySectStrut, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_copy_section));
1930                 if (Status) {
1931                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of Copy_Section_Struct failed with Status :%d", Status);
1932                         return -EFAULT;
1933                 }
1934
1935                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source SEction :%x", sCopySectStrut.SrcSection);
1936                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Destination SEction :%x", sCopySectStrut.DstSection);
1937                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "offset :%x", sCopySectStrut.offset);
1938                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "NOB :%x", sCopySectStrut.numOfBytes);
1939
1940                 if (IsSectionExistInFlash(Adapter, sCopySectStrut.SrcSection) == false) {
1941                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Source Section<%x> does not exist in Flash ", sCopySectStrut.SrcSection);
1942                         return -EINVAL;
1943                 }
1944
1945                 if (IsSectionExistInFlash(Adapter, sCopySectStrut.DstSection) == false) {
1946                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Destinatio Section<%x> does not exist in Flash ", sCopySectStrut.DstSection);
1947                         return -EINVAL;
1948                 }
1949
1950                 if (sCopySectStrut.SrcSection == sCopySectStrut.DstSection) {
1951                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source and Destination section should be different");
1952                         return -EINVAL;
1953                 }
1954
1955                 down(&Adapter->NVMRdmWrmLock);
1956
1957                 if ((Adapter->IdleMode == TRUE) ||
1958                         (Adapter->bShutStatus == TRUE) ||
1959                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1960
1961                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1962                         up(&Adapter->NVMRdmWrmLock);
1963                         return -EACCES;
1964                 }
1965
1966                 if (sCopySectStrut.SrcSection == ISO_IMAGE1 || sCopySectStrut.SrcSection == ISO_IMAGE2) {
1967                         if (IsNonCDLessDevice(Adapter)) {
1968                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is Non-CDLess hence won't have ISO !!");
1969                                 Status = -EINVAL;
1970                         } else if (sCopySectStrut.numOfBytes == 0) {
1971                                 Status = BcmCopyISO(Adapter, sCopySectStrut);
1972                         } else {
1973                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Partial Copy of ISO section is not Allowed..");
1974                                 Status = STATUS_FAILURE;
1975                         }
1976                         up(&Adapter->NVMRdmWrmLock);
1977                         return Status;
1978                 }
1979
1980                 Status = BcmCopySection(Adapter, sCopySectStrut.SrcSection,
1981                                         sCopySectStrut.DstSection, sCopySectStrut.offset, sCopySectStrut.numOfBytes);
1982                 up(&Adapter->NVMRdmWrmLock);
1983         }
1984         break;
1985
1986         case IOCTL_BCM_GET_FLASH_CS_INFO: {
1987                 Status = STATUS_SUCCESS;
1988                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, " IOCTL_BCM_GET_FLASH_CS_INFO Called");
1989
1990                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1991                 if (Status) {
1992                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1993                         return -EFAULT;
1994                 }
1995
1996                 if (Adapter->eNVMType != NVM_FLASH) {
1997                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Connected device does not have flash");
1998                         Status = -EINVAL;
1999                         break;
2000                 }
2001
2002                 if (IsFlash2x(Adapter) == TRUE) {
2003                         if (IoBuffer.OutputLength < sizeof(struct bcm_flash2x_cs_info))
2004                                 return -EINVAL;
2005
2006                         if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlash2xCSInfo, sizeof(struct bcm_flash2x_cs_info)))
2007                                 return -EFAULT;
2008                 } else {
2009                         if (IoBuffer.OutputLength < sizeof(struct bcm_flash_cs_info))
2010                                 return -EINVAL;
2011
2012                         if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlashCSInfo, sizeof(struct bcm_flash_cs_info)))
2013                                 return -EFAULT;
2014                 }
2015         }
2016         break;
2017
2018         case IOCTL_BCM_SELECT_DSD: {
2019                 UINT SectOfset = 0;
2020                 enum bcm_flash2x_section_val eFlash2xSectionVal;
2021                 eFlash2xSectionVal = NO_SECTION_VAL;
2022                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SELECT_DSD Called");
2023
2024                 if (IsFlash2x(Adapter) != TRUE) {
2025                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
2026                         return -EINVAL;
2027                 }
2028
2029                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
2030                 if (Status) {
2031                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
2032                         return -EFAULT;
2033                 }
2034                 Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT));
2035                 if (Status) {
2036                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed");
2037                         return -EFAULT;
2038                 }
2039
2040                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Read Section :%d", eFlash2xSectionVal);
2041                 if ((eFlash2xSectionVal != DSD0) &&
2042                         (eFlash2xSectionVal != DSD1) &&
2043                         (eFlash2xSectionVal != DSD2)) {
2044
2045                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Passed section<%x> is not DSD section", eFlash2xSectionVal);
2046                         return STATUS_FAILURE;
2047                 }
2048
2049                 SectOfset = BcmGetSectionValStartOffset(Adapter, eFlash2xSectionVal);
2050                 if (SectOfset == INVALID_OFFSET) {
2051                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Provided Section val <%d> does not exist in Flash 2.x", eFlash2xSectionVal);
2052                         return -EINVAL;
2053                 }
2054
2055                 Adapter->bAllDSDWriteAllow = TRUE;
2056                 Adapter->ulFlashCalStart = SectOfset;
2057                 Adapter->eActiveDSD = eFlash2xSectionVal;
2058         }
2059         Status = STATUS_SUCCESS;
2060         break;
2061
2062         case IOCTL_BCM_NVM_RAW_READ: {
2063                 struct bcm_nvm_readwrite stNVMRead;
2064                 INT NOB;
2065                 INT BuffSize;
2066                 INT ReadOffset = 0;
2067                 UINT ReadBytes = 0;
2068                 PUCHAR pReadBuff;
2069                 void __user *OutPutBuff;
2070
2071                 if (Adapter->eNVMType != NVM_FLASH) {
2072                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "NVM TYPE is not Flash");
2073                         return -EINVAL;
2074                 }
2075
2076                 /* Copy Ioctl Buffer structure */
2077                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
2078                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user 1 failed\n");
2079                         return -EFAULT;
2080                 }
2081
2082                 if (copy_from_user(&stNVMRead, IoBuffer.OutputBuffer, sizeof(struct bcm_nvm_readwrite)))
2083                         return -EFAULT;
2084
2085                 NOB = stNVMRead.uiNumBytes;
2086                 /* In Raw-Read max Buff size : 64MB */
2087
2088                 if (NOB > DEFAULT_BUFF_SIZE)
2089                         BuffSize = DEFAULT_BUFF_SIZE;
2090                 else
2091                         BuffSize = NOB;
2092
2093                 ReadOffset = stNVMRead.uiOffset;
2094                 OutPutBuff = stNVMRead.pBuffer;
2095
2096                 pReadBuff = kzalloc(BuffSize , GFP_KERNEL);
2097                 if (pReadBuff == NULL) {
2098                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure");
2099                         Status = -ENOMEM;
2100                         break;
2101                 }
2102                 down(&Adapter->NVMRdmWrmLock);
2103
2104                 if ((Adapter->IdleMode == TRUE) ||
2105                         (Adapter->bShutStatus == TRUE) ||
2106                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
2107
2108                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
2109                         kfree(pReadBuff);
2110                         up(&Adapter->NVMRdmWrmLock);
2111                         return -EACCES;
2112                 }
2113
2114                 Adapter->bFlashRawRead = TRUE;
2115
2116                 while (NOB) {
2117                         if (NOB > DEFAULT_BUFF_SIZE)
2118                                 ReadBytes = DEFAULT_BUFF_SIZE;
2119                         else
2120                                 ReadBytes = NOB;
2121
2122                         /* Reading the data from Flash 2.x */
2123                         Status = BeceemNVMRead(Adapter, (PUINT)pReadBuff, ReadOffset, ReadBytes);
2124                         if (Status) {
2125                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status);
2126                                 break;
2127                         }
2128
2129                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes);
2130
2131                         Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes);
2132                         if (Status) {
2133                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to use failed with status :%d", Status);
2134                                 up(&Adapter->NVMRdmWrmLock);
2135                                 kfree(pReadBuff);
2136                                 return -EFAULT;
2137                         }
2138                         NOB = NOB - ReadBytes;
2139                         if (NOB) {
2140                                 ReadOffset = ReadOffset + ReadBytes;
2141                                 OutPutBuff = OutPutBuff + ReadBytes;
2142                         }
2143                 }
2144                 Adapter->bFlashRawRead = false;
2145                 up(&Adapter->NVMRdmWrmLock);
2146                 kfree(pReadBuff);
2147                 break;
2148         }
2149
2150         case IOCTL_BCM_CNTRLMSG_MASK: {
2151                 ULONG RxCntrlMsgBitMask = 0;
2152
2153                 /* Copy Ioctl Buffer structure */
2154                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
2155                 if (Status) {
2156                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of Ioctl buffer is failed from user space");
2157                         return -EFAULT;
2158                 }
2159
2160                 if (IoBuffer.InputLength != sizeof(unsigned long)) {
2161                         Status = -EINVAL;
2162                         break;
2163                 }
2164
2165                 Status = copy_from_user(&RxCntrlMsgBitMask, IoBuffer.InputBuffer, IoBuffer.InputLength);
2166                 if (Status) {
2167                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of control bit mask failed from user space");
2168                         return -EFAULT;
2169                 }
2170                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\n Got user defined cntrl msg bit mask :%lx", RxCntrlMsgBitMask);
2171                 pTarang->RxCntrlMsgBitMask = RxCntrlMsgBitMask;
2172         }
2173         break;
2174
2175         case IOCTL_BCM_GET_DEVICE_DRIVER_INFO: {
2176                 struct bcm_driver_info DevInfo;
2177
2178                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n");
2179
2180                 memset(&DevInfo, 0, sizeof(DevInfo));
2181                 DevInfo.MaxRDMBufferSize = BUFFER_4K;
2182                 DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START;
2183                 DevInfo.u32RxAlignmentCorrection = 0;
2184                 DevInfo.u32NVMType = Adapter->eNVMType;
2185                 DevInfo.u32InterfaceType = BCM_USB;
2186
2187                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
2188                         return -EFAULT;
2189
2190                 if (IoBuffer.OutputLength < sizeof(DevInfo))
2191                         return -EINVAL;
2192
2193                 if (copy_to_user(IoBuffer.OutputBuffer, &DevInfo, sizeof(DevInfo)))
2194                         return -EFAULT;
2195         }
2196         break;
2197
2198         case IOCTL_BCM_TIME_SINCE_NET_ENTRY: {
2199                 struct bcm_time_elapsed stTimeElapsedSinceNetEntry = {0};
2200
2201                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_TIME_SINCE_NET_ENTRY called");
2202
2203                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
2204                         return -EFAULT;
2205
2206                 if (IoBuffer.OutputLength < sizeof(struct bcm_time_elapsed))
2207                         return -EINVAL;
2208
2209                 stTimeElapsedSinceNetEntry.ul64TimeElapsedSinceNetEntry = get_seconds() - Adapter->liTimeSinceLastNetEntry;
2210
2211                 if (copy_to_user(IoBuffer.OutputBuffer, &stTimeElapsedSinceNetEntry, sizeof(struct bcm_time_elapsed)))
2212                         return -EFAULT;
2213         }
2214         break;
2215
2216         case IOCTL_CLOSE_NOTIFICATION:
2217                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_CLOSE_NOTIFICATION");
2218                 break;
2219
2220         default:
2221                 pr_info(DRV_NAME ": unknown ioctl cmd=%#x\n", cmd);
2222                 Status = STATUS_FAILURE;
2223                 break;
2224         }
2225         return Status;
2226 }
2227
2228
2229 static const struct file_operations bcm_fops = {
2230         .owner    = THIS_MODULE,
2231         .open     = bcm_char_open,
2232         .release  = bcm_char_release,
2233         .read     = bcm_char_read,
2234         .unlocked_ioctl    = bcm_char_ioctl,
2235         .llseek = no_llseek,
2236 };
2237
2238 int register_control_device_interface(struct bcm_mini_adapter *Adapter)
2239 {
2240
2241         if (Adapter->major > 0)
2242                 return Adapter->major;
2243
2244         Adapter->major = register_chrdev(0, DEV_NAME, &bcm_fops);
2245         if (Adapter->major < 0) {
2246                 pr_err(DRV_NAME ": could not created character device\n");
2247                 return Adapter->major;
2248         }
2249
2250         Adapter->pstCreatedClassDevice = device_create(bcm_class, NULL,
2251                                                 MKDEV(Adapter->major, 0),
2252                                                 Adapter, DEV_NAME);
2253
2254         if (IS_ERR(Adapter->pstCreatedClassDevice)) {
2255                 pr_err(DRV_NAME ": class device create failed\n");
2256                 unregister_chrdev(Adapter->major, DEV_NAME);
2257                 return PTR_ERR(Adapter->pstCreatedClassDevice);
2258         }
2259
2260         return 0;
2261 }
2262
2263 void unregister_control_device_interface(struct bcm_mini_adapter *Adapter)
2264 {
2265         if (Adapter->major > 0) {
2266                 device_destroy(bcm_class, MKDEV(Adapter->major, 0));
2267                 unregister_chrdev(Adapter->major, DEV_NAME);
2268         }
2269 }
2270