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
 998 static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
 999 {
1000         struct bcm_tarang_data *pTarang = filp->private_data;
1001         void __user *argp = (void __user *)arg;
1002         struct bcm_mini_adapter *Adapter = pTarang->Adapter;
1003         INT Status = STATUS_FAILURE;
1004         struct bcm_ioctl_buffer IoBuffer;
1005
1006         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
1007                         "Parameters Passed to control IOCTL cmd=0x%X arg=0x%lX",
1008                         cmd, arg);
1009
1010         if (_IOC_TYPE(cmd) != BCM_IOCTL)
1011                 return -EFAULT;
1012         if (_IOC_DIR(cmd) & _IOC_READ)
1013                 Status = !access_ok(VERIFY_WRITE, argp, _IOC_SIZE(cmd));
1014         else if (_IOC_DIR(cmd) & _IOC_WRITE)
1015                 Status = !access_ok(VERIFY_READ, argp, _IOC_SIZE(cmd));
1016         else if (_IOC_NONE == (_IOC_DIR(cmd) & _IOC_NONE))
1017                 Status = STATUS_SUCCESS;
1018
1019         if (Status)
1020                 return -EFAULT;
1021
1022         if (Adapter->device_removed)
1023                 return -EFAULT;
1024
1025         if (false == Adapter->fw_download_done) {
1026                 switch (cmd) {
1027                 case IOCTL_MAC_ADDR_REQ:
1028                 case IOCTL_LINK_REQ:
1029                 case IOCTL_CM_REQUEST:
1030                 case IOCTL_SS_INFO_REQ:
1031                 case IOCTL_SEND_CONTROL_MESSAGE:
1032                 case IOCTL_IDLE_REQ:
1033                 case IOCTL_BCM_GPIO_SET_REQUEST:
1034                 case IOCTL_BCM_GPIO_STATUS_REQUEST:
1035                         return -EACCES;
1036                 default:
1037                         break;
1038                 }
1039         }
1040
1041         Status = vendorextnIoctl(Adapter, cmd, arg);
1042         if (Status != CONTINUE_COMMON_PATH)
1043                 return Status;
1044
1045         switch (cmd) {
1046         /* Rdms for Swin Idle... */
1047         case IOCTL_BCM_REGISTER_READ_PRIVATE:
1048                 Status = bcm_char_ioctl_reg_read_private(argp, Adapter);
1049                 return Status;
1050
1051         case IOCTL_BCM_REGISTER_WRITE_PRIVATE:
1052                 Status = bcm_char_ioctl_reg_write_private(argp, Adapter);
1053                 return Status;
1054
1055         case IOCTL_BCM_REGISTER_READ:
1056         case IOCTL_BCM_EEPROM_REGISTER_READ:
1057                 Status = bcm_char_ioctl_eeprom_reg_read(argp, Adapter);
1058                 return Status;
1059
1060         case IOCTL_BCM_REGISTER_WRITE:
1061         case IOCTL_BCM_EEPROM_REGISTER_WRITE:
1062                 Status = bcm_char_ioctl_eeprom_reg_write(argp, Adapter, cmd);
1063                 return Status;
1064
1065         case IOCTL_BCM_GPIO_SET_REQUEST:
1066                 Status = bcm_char_ioctl_gpio_set_request(argp, Adapter);
1067                 return Status;
1068
1069         case BCM_LED_THREAD_STATE_CHANGE_REQ:
1070                 Status = bcm_char_ioctl_led_thread_state_change_req(argp, Adapter);
1071                 return Status;
1072
1073         case IOCTL_BCM_GPIO_STATUS_REQUEST:
1074                 Status = bcm_char_ioctl_gpio_status_request(argp, Adapter);
1075                 return Status;
1076
1077         case IOCTL_BCM_GPIO_MULTI_REQUEST:
1078                 Status = bcm_char_ioctl_gpio_multi_request(argp, Adapter);
1079                 return Status;
1080
1081         case IOCTL_BCM_GPIO_MODE_REQUEST:
1082                 Status = bcm_char_ioctl_gpio_mode_request(argp, Adapter);
1083                 return Status;
1084
1085         case IOCTL_MAC_ADDR_REQ:
1086         case IOCTL_LINK_REQ:
1087         case IOCTL_CM_REQUEST:
1088         case IOCTL_SS_INFO_REQ:
1089         case IOCTL_SEND_CONTROL_MESSAGE:
1090         case IOCTL_IDLE_REQ:
1091                 Status = bcm_char_ioctl_misc_request(argp, Adapter);
1092                 return Status;
1093
1094         case IOCTL_BCM_BUFFER_DOWNLOAD_START:
1095                 Status = bcm_char_ioctl_buffer_download_start(Adapter);
1096                 return Status;
1097
1098         case IOCTL_BCM_BUFFER_DOWNLOAD:
1099                 Status = bcm_char_ioctl_buffer_download(argp, Adapter);
1100                 return Status;
1101
1102         case IOCTL_BCM_BUFFER_DOWNLOAD_STOP:
1103                 Status = bcm_char_ioctl_buffer_download_stop(argp, Adapter);
1104                 return Status;
1105
1106
1107         case IOCTL_BE_BUCKET_SIZE:
1108                 Status = 0;
1109                 if (get_user(Adapter->BEBucketSize, (unsigned long __user *)arg))
1110                         Status = -EFAULT;
1111                 break;
1112
1113         case IOCTL_RTPS_BUCKET_SIZE:
1114                 Status = 0;
1115                 if (get_user(Adapter->rtPSBucketSize, (unsigned long __user *)arg))
1116                         Status = -EFAULT;
1117                 break;
1118
1119         case IOCTL_CHIP_RESET:
1120                 Status = bcm_char_ioctl_chip_reset(Adapter);
1121                 return Status;
1122
1123         case IOCTL_QOS_THRESHOLD:
1124                 Status = bcm_char_ioctl_qos_threshold(arg, Adapter);
1125                 return Status;
1126
1127         case IOCTL_DUMP_PACKET_INFO:
1128                 DumpPackInfo(Adapter);
1129                 DumpPhsRules(&Adapter->stBCMPhsContext);
1130                 Status = STATUS_SUCCESS;
1131                 break;
1132
1133         case IOCTL_GET_PACK_INFO:
1134                 if (copy_to_user(argp, &Adapter->PackInfo, sizeof(struct bcm_packet_info)*NO_OF_QUEUES))
1135                         return -EFAULT;
1136                 Status = STATUS_SUCCESS;
1137                 break;
1138
1139         case IOCTL_BCM_SWITCH_TRANSFER_MODE: {
1140                 UINT uiData = 0;
1141                 if (copy_from_user(&uiData, argp, sizeof(UINT)))
1142                         return -EFAULT;
1143
1144                 if (uiData) {
1145                         /* Allow All Packets */
1146                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: ETH_PACKET_TUNNELING_MODE\n");
1147                                 Adapter->TransferMode = ETH_PACKET_TUNNELING_MODE;
1148                 } else {
1149                         /* Allow IP only Packets */
1150                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: IP_PACKET_ONLY_MODE\n");
1151                         Adapter->TransferMode = IP_PACKET_ONLY_MODE;
1152                 }
1153                 Status = STATUS_SUCCESS;
1154                 break;
1155         }
1156
1157         case IOCTL_BCM_GET_DRIVER_VERSION: {
1158                 ulong len;
1159
1160                 /* Copy Ioctl Buffer structure */
1161                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1162                         return -EFAULT;
1163
1164                 len = min_t(ulong, IoBuffer.OutputLength, strlen(DRV_VERSION) + 1);
1165
1166                 if (copy_to_user(IoBuffer.OutputBuffer, DRV_VERSION, len))
1167                         return -EFAULT;
1168                 Status = STATUS_SUCCESS;
1169                 break;
1170         }
1171
1172         case IOCTL_BCM_GET_CURRENT_STATUS: {
1173                 struct bcm_link_state link_state;
1174
1175                 /* Copy Ioctl Buffer structure */
1176                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
1177                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user failed..\n");
1178                         return -EFAULT;
1179                 }
1180
1181                 if (IoBuffer.OutputLength != sizeof(link_state)) {
1182                         Status = -EINVAL;
1183                         break;
1184                 }
1185
1186                 memset(&link_state, 0, sizeof(link_state));
1187                 link_state.bIdleMode = Adapter->IdleMode;
1188                 link_state.bShutdownMode = Adapter->bShutStatus;
1189                 link_state.ucLinkStatus = Adapter->LinkStatus;
1190
1191                 if (copy_to_user(IoBuffer.OutputBuffer, &link_state, min_t(size_t, sizeof(link_state), IoBuffer.OutputLength))) {
1192                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy_to_user Failed..\n");
1193                         return -EFAULT;
1194                 }
1195                 Status = STATUS_SUCCESS;
1196                 break;
1197         }
1198
1199         case IOCTL_BCM_SET_MAC_TRACING: {
1200                 UINT  tracing_flag;
1201
1202                 /* copy ioctl Buffer structure */
1203                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1204                         return -EFAULT;
1205
1206                 if (copy_from_user(&tracing_flag, IoBuffer.InputBuffer, sizeof(UINT)))
1207                         return -EFAULT;
1208
1209                 if (tracing_flag)
1210                         Adapter->pTarangs->MacTracingEnabled = TRUE;
1211                 else
1212                         Adapter->pTarangs->MacTracingEnabled = false;
1213                 break;
1214         }
1215
1216         case IOCTL_BCM_GET_DSX_INDICATION: {
1217                 ULONG ulSFId = 0;
1218                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1219                         return -EFAULT;
1220
1221                 if (IoBuffer.OutputLength < sizeof(struct bcm_add_indication_alt)) {
1222                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
1223                                         "Mismatch req: %lx needed is =0x%zx!!!",
1224                                         IoBuffer.OutputLength, sizeof(struct bcm_add_indication_alt));
1225                         return -EINVAL;
1226                 }
1227
1228                 if (copy_from_user(&ulSFId, IoBuffer.InputBuffer, sizeof(ulSFId)))
1229                         return -EFAULT;
1230
1231                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Get DSX Data SF ID is =%lx\n", ulSFId);
1232                 get_dsx_sf_data_to_application(Adapter, ulSFId, IoBuffer.OutputBuffer);
1233                 Status = STATUS_SUCCESS;
1234         }
1235         break;
1236
1237         case IOCTL_BCM_GET_HOST_MIBS: {
1238                 PVOID temp_buff;
1239
1240                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1241                         return -EFAULT;
1242
1243                 if (IoBuffer.OutputLength != sizeof(struct bcm_host_stats_mibs)) {
1244                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
1245                                         "Length Check failed %lu %zd\n",
1246                                         IoBuffer.OutputLength, sizeof(struct bcm_host_stats_mibs));
1247                         return -EINVAL;
1248                 }
1249
1250                 /* FIXME: HOST_STATS are too big for kmalloc (122048)! */
1251                 temp_buff = kzalloc(sizeof(struct bcm_host_stats_mibs), GFP_KERNEL);
1252                 if (!temp_buff)
1253                         return STATUS_FAILURE;
1254
1255                 Status = ProcessGetHostMibs(Adapter, temp_buff);
1256                 GetDroppedAppCntrlPktMibs(temp_buff, pTarang);
1257
1258                 if (Status != STATUS_FAILURE)
1259                         if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, sizeof(struct bcm_host_stats_mibs))) {
1260                                 kfree(temp_buff);
1261                                 return -EFAULT;
1262                         }
1263
1264                 kfree(temp_buff);
1265                 break;
1266         }
1267
1268         case IOCTL_BCM_WAKE_UP_DEVICE_FROM_IDLE:
1269                 if ((false == Adapter->bTriedToWakeUpFromlowPowerMode) && (TRUE == Adapter->IdleMode)) {
1270                         Adapter->usIdleModePattern = ABORT_IDLE_MODE;
1271                         Adapter->bWakeUpDevice = TRUE;
1272                         wake_up(&Adapter->process_rx_cntrlpkt);
1273                 }
1274
1275                 Status = STATUS_SUCCESS;
1276                 break;
1277
1278         case IOCTL_BCM_BULK_WRM: {
1279                 struct bcm_bulk_wrm_buffer *pBulkBuffer;
1280                 UINT uiTempVar = 0;
1281                 PCHAR pvBuffer = NULL;
1282
1283                 if ((Adapter->IdleMode == TRUE) ||
1284                         (Adapter->bShutStatus == TRUE) ||
1285                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1286
1287                         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "Device in Idle/Shutdown Mode, Blocking Wrms\n");
1288                         Status = -EACCES;
1289                         break;
1290                 }
1291
1292                 /* Copy Ioctl Buffer structure */
1293                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1294                         return -EFAULT;
1295
1296                 if (IoBuffer.InputLength < sizeof(ULONG) * 2)
1297                         return -EINVAL;
1298
1299                 pvBuffer = memdup_user(IoBuffer.InputBuffer,
1300                                        IoBuffer.InputLength);
1301                 if (IS_ERR(pvBuffer))
1302                         return PTR_ERR(pvBuffer);
1303
1304                 pBulkBuffer = (struct bcm_bulk_wrm_buffer *)pvBuffer;
1305
1306                 if (((ULONG)pBulkBuffer->Register & 0x0F000000) != 0x0F000000 ||
1307                         ((ULONG)pBulkBuffer->Register & 0x3)) {
1308                         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Done On invalid Address : %x Access Denied.\n", (int)pBulkBuffer->Register);
1309                         kfree(pvBuffer);
1310                         Status = -EINVAL;
1311                         break;
1312                 }
1313
1314                 uiTempVar = pBulkBuffer->Register & EEPROM_REJECT_MASK;
1315                 if (!((Adapter->pstargetparams->m_u32Customize)&VSG_MODE) &&
1316                         ((uiTempVar == EEPROM_REJECT_REG_1) ||
1317                                 (uiTempVar == EEPROM_REJECT_REG_2) ||
1318                                 (uiTempVar == EEPROM_REJECT_REG_3) ||
1319                                 (uiTempVar == EEPROM_REJECT_REG_4)) &&
1320                         (cmd == IOCTL_BCM_REGISTER_WRITE)) {
1321
1322                         kfree(pvBuffer);
1323                         BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "EEPROM Access Denied, not in VSG Mode\n");
1324                         Status = -EFAULT;
1325                         break;
1326                 }
1327
1328                 if (pBulkBuffer->SwapEndian == false)
1329                         Status = wrmWithLock(Adapter, (UINT)pBulkBuffer->Register, (PCHAR)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
1330                 else
1331                         Status = wrmaltWithLock(Adapter, (UINT)pBulkBuffer->Register, (PUINT)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
1332
1333                 if (Status != STATUS_SUCCESS)
1334                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Failed\n");
1335
1336                 kfree(pvBuffer);
1337                 break;
1338         }
1339
1340         case IOCTL_BCM_GET_NVM_SIZE:
1341                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1342                         return -EFAULT;
1343
1344                 if (Adapter->eNVMType == NVM_EEPROM || Adapter->eNVMType == NVM_FLASH) {
1345                         if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiNVMDSDSize, sizeof(UINT)))
1346                                 return -EFAULT;
1347                 }
1348
1349                 Status = STATUS_SUCCESS;
1350                 break;
1351
1352         case IOCTL_BCM_CAL_INIT: {
1353                 UINT uiSectorSize = 0;
1354                 if (Adapter->eNVMType == NVM_FLASH) {
1355                         if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1356                                 return -EFAULT;
1357
1358                         if (copy_from_user(&uiSectorSize, IoBuffer.InputBuffer, sizeof(UINT)))
1359                                 return -EFAULT;
1360
1361                         if ((uiSectorSize < MIN_SECTOR_SIZE) || (uiSectorSize > MAX_SECTOR_SIZE)) {
1362                                 if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize,
1363                                                         sizeof(UINT)))
1364                                         return -EFAULT;
1365                         } else {
1366                                 if (IsFlash2x(Adapter)) {
1367                                         if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize, sizeof(UINT)))
1368                                                 return -EFAULT;
1369                                 } else {
1370                                         if ((TRUE == Adapter->bShutStatus) || (TRUE == Adapter->IdleMode)) {
1371                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is in Idle/Shutdown Mode\n");
1372                                                 return -EACCES;
1373                                         }
1374
1375                                         Adapter->uiSectorSize = uiSectorSize;
1376                                         BcmUpdateSectorSize(Adapter, Adapter->uiSectorSize);
1377                                 }
1378                         }
1379                         Status = STATUS_SUCCESS;
1380                 } else {
1381                         Status = STATUS_FAILURE;
1382                 }
1383         }
1384         break;
1385
1386         case IOCTL_BCM_SET_DEBUG:
1387 #ifdef DEBUG
1388         {
1389                 struct bcm_user_debug_state sUserDebugState;
1390
1391                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "In SET_DEBUG ioctl\n");
1392                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1393                         return -EFAULT;
1394
1395                 if (copy_from_user(&sUserDebugState, IoBuffer.InputBuffer, sizeof(struct bcm_user_debug_state)))
1396                         return -EFAULT;
1397
1398                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL_BCM_SET_DEBUG: OnOff=%d Type = 0x%x ",
1399                                 sUserDebugState.OnOff, sUserDebugState.Type);
1400                 /* sUserDebugState.Subtype <<= 1; */
1401                 sUserDebugState.Subtype = 1 << sUserDebugState.Subtype;
1402                 BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "actual Subtype=0x%x\n", sUserDebugState.Subtype);
1403
1404                 /* Update new 'DebugState' in the Adapter */
1405                 Adapter->stDebugState.type |= sUserDebugState.Type;
1406                 /* Subtype: A bitmap of 32 bits for Subtype per Type.
1407                  * Valid indexes in 'subtype' array: 1,2,4,8
1408                  * corresponding to valid Type values. Hence we can use the 'Type' field
1409                  * as the index value, ignoring the array entries 0,3,5,6,7 !
1410                  */
1411                 if (sUserDebugState.OnOff)
1412                         Adapter->stDebugState.subtype[sUserDebugState.Type] |= sUserDebugState.Subtype;
1413                 else
1414                         Adapter->stDebugState.subtype[sUserDebugState.Type] &= ~sUserDebugState.Subtype;
1415
1416                 BCM_SHOW_DEBUG_BITMAP(Adapter);
1417         }
1418 #endif
1419         break;
1420
1421         case IOCTL_BCM_NVM_READ:
1422         case IOCTL_BCM_NVM_WRITE: {
1423                 struct bcm_nvm_readwrite stNVMReadWrite;
1424                 PUCHAR pReadData = NULL;
1425                 ULONG ulDSDMagicNumInUsrBuff = 0;
1426                 struct timeval tv0, tv1;
1427                 memset(&tv0, 0, sizeof(struct timeval));
1428                 memset(&tv1, 0, sizeof(struct timeval));
1429                 if ((Adapter->eNVMType == NVM_FLASH) && (Adapter->uiFlashLayoutMajorVersion == 0)) {
1430                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "The Flash Control Section is Corrupted. Hence Rejection on NVM Read/Write\n");
1431                         return -EFAULT;
1432                 }
1433
1434                 if (IsFlash2x(Adapter)) {
1435                         if ((Adapter->eActiveDSD != DSD0) &&
1436                                 (Adapter->eActiveDSD != DSD1) &&
1437                                 (Adapter->eActiveDSD != DSD2)) {
1438
1439                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "No DSD is active..hence NVM Command is blocked");
1440                                 return STATUS_FAILURE;
1441                         }
1442                 }
1443
1444                 /* Copy Ioctl Buffer structure */
1445                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1446                         return -EFAULT;
1447
1448                 if (copy_from_user(&stNVMReadWrite,
1449                                         (IOCTL_BCM_NVM_READ == cmd) ? IoBuffer.OutputBuffer : IoBuffer.InputBuffer,
1450                                         sizeof(struct bcm_nvm_readwrite)))
1451                         return -EFAULT;
1452
1453                 /*
1454                  * Deny the access if the offset crosses the cal area limit.
1455                  */
1456                 if (stNVMReadWrite.uiNumBytes > Adapter->uiNVMDSDSize)
1457                         return STATUS_FAILURE;
1458
1459                 if (stNVMReadWrite.uiOffset > Adapter->uiNVMDSDSize - stNVMReadWrite.uiNumBytes) {
1460                         /* 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); */
1461                         return STATUS_FAILURE;
1462                 }
1463
1464                 pReadData = memdup_user(stNVMReadWrite.pBuffer,
1465                                         stNVMReadWrite.uiNumBytes);
1466                 if (IS_ERR(pReadData))
1467                         return PTR_ERR(pReadData);
1468
1469                 do_gettimeofday(&tv0);
1470                 if (IOCTL_BCM_NVM_READ == cmd) {
1471                         down(&Adapter->NVMRdmWrmLock);
1472
1473                         if ((Adapter->IdleMode == TRUE) ||
1474                                 (Adapter->bShutStatus == TRUE) ||
1475                                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
1476
1477                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1478                                 up(&Adapter->NVMRdmWrmLock);
1479                                 kfree(pReadData);
1480                                 return -EACCES;
1481                         }
1482
1483                         Status = BeceemNVMRead(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes);
1484                         up(&Adapter->NVMRdmWrmLock);
1485
1486                         if (Status != STATUS_SUCCESS) {
1487                                 kfree(pReadData);
1488                                 return Status;
1489                         }
1490
1491                         if (copy_to_user(stNVMReadWrite.pBuffer, pReadData, stNVMReadWrite.uiNumBytes)) {
1492                                 kfree(pReadData);
1493                                 return -EFAULT;
1494                         }
1495                 } else {
1496                         down(&Adapter->NVMRdmWrmLock);
1497
1498                         if ((Adapter->IdleMode == TRUE) ||
1499                                 (Adapter->bShutStatus == TRUE) ||
1500                                 (Adapter->bPreparingForLowPowerMode == TRUE)) {
1501
1502                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1503                                 up(&Adapter->NVMRdmWrmLock);
1504                                 kfree(pReadData);
1505                                 return -EACCES;
1506                         }
1507
1508                         Adapter->bHeaderChangeAllowed = TRUE;
1509                         if (IsFlash2x(Adapter)) {
1510                                 /*
1511                                  *                      New Requirement:-
1512                                  *                      DSD section updation will be allowed in two case:-
1513                                  *                      1.  if DSD sig is present in DSD header means dongle is ok and updation is fruitfull
1514                                  *                      2.  if point 1 failes then user buff should have DSD sig. this point ensures that if dongle is
1515                                  *                            corrupted then user space program first modify the DSD header with valid DSD sig so
1516                                  *                            that this as well as further write may be worthwhile.
1517                                  *
1518                                  *                       This restriction has been put assuming that if DSD sig is corrupted, DSD
1519                                  *                       data won't be considered valid.
1520                                  */
1521
1522                                 Status = BcmFlash2xCorruptSig(Adapter, Adapter->eActiveDSD);
1523                                 if (Status != STATUS_SUCCESS) {
1524                                         if (((stNVMReadWrite.uiOffset + stNVMReadWrite.uiNumBytes) != Adapter->uiNVMDSDSize) ||
1525                                                 (stNVMReadWrite.uiNumBytes < SIGNATURE_SIZE)) {
1526
1527                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input..");
1528                                                 up(&Adapter->NVMRdmWrmLock);
1529                                                 kfree(pReadData);
1530                                                 return Status;
1531                                         }
1532
1533                                         ulDSDMagicNumInUsrBuff = ntohl(*(PUINT)(pReadData + stNVMReadWrite.uiNumBytes - SIGNATURE_SIZE));
1534                                         if (ulDSDMagicNumInUsrBuff != DSD_IMAGE_MAGIC_NUMBER) {
1535                                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input..");
1536                                                 up(&Adapter->NVMRdmWrmLock);
1537                                                 kfree(pReadData);
1538                                                 return Status;
1539                                         }
1540                                 }
1541                         }
1542
1543                         Status = BeceemNVMWrite(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes, stNVMReadWrite.bVerify);
1544                         if (IsFlash2x(Adapter))
1545                                 BcmFlash2xWriteSig(Adapter, Adapter->eActiveDSD);
1546
1547                         Adapter->bHeaderChangeAllowed = false;
1548
1549                         up(&Adapter->NVMRdmWrmLock);
1550
1551                         if (Status != STATUS_SUCCESS) {
1552                                 kfree(pReadData);
1553                                 return Status;
1554                         }
1555                 }
1556
1557                 do_gettimeofday(&tv1);
1558                 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);
1559
1560                 kfree(pReadData);
1561                 return STATUS_SUCCESS;
1562         }
1563
1564         case IOCTL_BCM_FLASH2X_SECTION_READ: {
1565                 struct bcm_flash2x_readwrite sFlash2xRead = {0};
1566                 PUCHAR pReadBuff = NULL;
1567                 UINT NOB = 0;
1568                 UINT BuffSize = 0;
1569                 UINT ReadBytes = 0;
1570                 UINT ReadOffset = 0;
1571                 void __user *OutPutBuff;
1572
1573                 if (IsFlash2x(Adapter) != TRUE) {
1574                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1575                         return -EINVAL;
1576                 }
1577
1578                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_READ Called");
1579                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1580                         return -EFAULT;
1581
1582                 /* Reading FLASH 2.x READ structure */
1583                 if (copy_from_user(&sFlash2xRead, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_readwrite)))
1584                         return -EFAULT;
1585
1586                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xRead.Section);
1587                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%x", sFlash2xRead.offset);
1588                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xRead.numOfBytes);
1589                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xRead.bVerify);
1590
1591                 /* This was internal to driver for raw read. now it has ben exposed to user space app. */
1592                 if (validateFlash2xReadWrite(Adapter, &sFlash2xRead) == false)
1593                         return STATUS_FAILURE;
1594
1595                 NOB = sFlash2xRead.numOfBytes;
1596                 if (NOB > Adapter->uiSectorSize)
1597                         BuffSize = Adapter->uiSectorSize;
1598                 else
1599                         BuffSize = NOB;
1600
1601                 ReadOffset = sFlash2xRead.offset;
1602                 OutPutBuff = IoBuffer.OutputBuffer;
1603                 pReadBuff = (PCHAR)kzalloc(BuffSize , GFP_KERNEL);
1604
1605                 if (pReadBuff == NULL) {
1606                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure");
1607                         return -ENOMEM;
1608                 }
1609                 down(&Adapter->NVMRdmWrmLock);
1610
1611                 if ((Adapter->IdleMode == TRUE) ||
1612                         (Adapter->bShutStatus == TRUE) ||
1613                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1614
1615                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1616                         up(&Adapter->NVMRdmWrmLock);
1617                         kfree(pReadBuff);
1618                         return -EACCES;
1619                 }
1620
1621                 while (NOB) {
1622                         if (NOB > Adapter->uiSectorSize)
1623                                 ReadBytes = Adapter->uiSectorSize;
1624                         else
1625                                 ReadBytes = NOB;
1626
1627                         /* Reading the data from Flash 2.x */
1628                         Status = BcmFlash2xBulkRead(Adapter, (PUINT)pReadBuff, sFlash2xRead.Section, ReadOffset, ReadBytes);
1629                         if (Status) {
1630                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Flash 2x read err with Status :%d", Status);
1631                                 break;
1632                         }
1633
1634                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes);
1635
1636                         Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes);
1637                         if (Status) {
1638                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Copy to use failed with status :%d", Status);
1639                                 up(&Adapter->NVMRdmWrmLock);
1640                                 kfree(pReadBuff);
1641                                 return -EFAULT;
1642                         }
1643                         NOB = NOB - ReadBytes;
1644                         if (NOB) {
1645                                 ReadOffset = ReadOffset + ReadBytes;
1646                                 OutPutBuff = OutPutBuff + ReadBytes;
1647                         }
1648                 }
1649
1650                 up(&Adapter->NVMRdmWrmLock);
1651                 kfree(pReadBuff);
1652         }
1653         break;
1654
1655         case IOCTL_BCM_FLASH2X_SECTION_WRITE: {
1656                 struct bcm_flash2x_readwrite sFlash2xWrite = {0};
1657                 PUCHAR pWriteBuff;
1658                 void __user *InputAddr;
1659                 UINT NOB = 0;
1660                 UINT BuffSize = 0;
1661                 UINT WriteOffset = 0;
1662                 UINT WriteBytes = 0;
1663
1664                 if (IsFlash2x(Adapter) != TRUE) {
1665                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1666                         return -EINVAL;
1667                 }
1668
1669                 /* First make this False so that we can enable the Sector Permission Check in BeceemFlashBulkWrite */
1670                 Adapter->bAllDSDWriteAllow = false;
1671
1672                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_WRITE Called");
1673
1674                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1675                         return -EFAULT;
1676
1677                 /* Reading FLASH 2.x READ structure */
1678                 if (copy_from_user(&sFlash2xWrite, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_readwrite)))
1679                         return -EFAULT;
1680
1681                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xWrite.Section);
1682                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%d", sFlash2xWrite.offset);
1683                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xWrite.numOfBytes);
1684                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xWrite.bVerify);
1685
1686                 if ((sFlash2xWrite.Section != VSA0) && (sFlash2xWrite.Section != VSA1) && (sFlash2xWrite.Section != VSA2)) {
1687                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Only VSA write is allowed");
1688                         return -EINVAL;
1689                 }
1690
1691                 if (validateFlash2xReadWrite(Adapter, &sFlash2xWrite) == false)
1692                         return STATUS_FAILURE;
1693
1694                 InputAddr = sFlash2xWrite.pDataBuff;
1695                 WriteOffset = sFlash2xWrite.offset;
1696                 NOB = sFlash2xWrite.numOfBytes;
1697
1698                 if (NOB > Adapter->uiSectorSize)
1699                         BuffSize = Adapter->uiSectorSize;
1700                 else
1701                         BuffSize = NOB;
1702
1703                 pWriteBuff = kmalloc(BuffSize, GFP_KERNEL);
1704
1705                 if (pWriteBuff == NULL)
1706                         return -ENOMEM;
1707
1708                 /* extracting the remainder of the given offset. */
1709                 WriteBytes = Adapter->uiSectorSize;
1710                 if (WriteOffset % Adapter->uiSectorSize)
1711                         WriteBytes = Adapter->uiSectorSize - (WriteOffset % Adapter->uiSectorSize);
1712
1713                 if (NOB < WriteBytes)
1714                         WriteBytes = NOB;
1715
1716                 down(&Adapter->NVMRdmWrmLock);
1717
1718                 if ((Adapter->IdleMode == TRUE) ||
1719                         (Adapter->bShutStatus == TRUE) ||
1720                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1721
1722                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1723                         up(&Adapter->NVMRdmWrmLock);
1724                         kfree(pWriteBuff);
1725                         return -EACCES;
1726                 }
1727
1728                 BcmFlash2xCorruptSig(Adapter, sFlash2xWrite.Section);
1729                 do {
1730                         Status = copy_from_user(pWriteBuff, InputAddr, WriteBytes);
1731                         if (Status) {
1732                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to user failed with status :%d", Status);
1733                                 up(&Adapter->NVMRdmWrmLock);
1734                                 kfree(pWriteBuff);
1735                                 return -EFAULT;
1736                         }
1737                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pWriteBuff, WriteBytes);
1738
1739                         /* Writing the data from Flash 2.x */
1740                         Status = BcmFlash2xBulkWrite(Adapter, (PUINT)pWriteBuff, sFlash2xWrite.Section, WriteOffset, WriteBytes, sFlash2xWrite.bVerify);
1741
1742                         if (Status) {
1743                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status);
1744                                 break;
1745                         }
1746
1747                         NOB = NOB - WriteBytes;
1748                         if (NOB) {
1749                                 WriteOffset = WriteOffset + WriteBytes;
1750                                 InputAddr = InputAddr + WriteBytes;
1751                                 if (NOB > Adapter->uiSectorSize)
1752                                         WriteBytes = Adapter->uiSectorSize;
1753                                 else
1754                                         WriteBytes = NOB;
1755                         }
1756                 } while (NOB > 0);
1757
1758                 BcmFlash2xWriteSig(Adapter, sFlash2xWrite.Section);
1759                 up(&Adapter->NVMRdmWrmLock);
1760                 kfree(pWriteBuff);
1761         }
1762         break;
1763
1764         case IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP: {
1765                 struct bcm_flash2x_bitmap *psFlash2xBitMap;
1766                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP Called");
1767
1768                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
1769                         return -EFAULT;
1770
1771                 if (IoBuffer.OutputLength != sizeof(struct bcm_flash2x_bitmap))
1772                         return -EINVAL;
1773
1774                 psFlash2xBitMap = kzalloc(sizeof(struct bcm_flash2x_bitmap), GFP_KERNEL);
1775                 if (psFlash2xBitMap == NULL) {
1776                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory is not available");
1777                         return -ENOMEM;
1778                 }
1779
1780                 /* Reading the Flash Sectio Bit map */
1781                 down(&Adapter->NVMRdmWrmLock);
1782
1783                 if ((Adapter->IdleMode == TRUE) ||
1784                         (Adapter->bShutStatus == TRUE) ||
1785                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1786
1787                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1788                         up(&Adapter->NVMRdmWrmLock);
1789                         kfree(psFlash2xBitMap);
1790                         return -EACCES;
1791                 }
1792
1793                 BcmGetFlash2xSectionalBitMap(Adapter, psFlash2xBitMap);
1794                 up(&Adapter->NVMRdmWrmLock);
1795                 if (copy_to_user(IoBuffer.OutputBuffer, psFlash2xBitMap, sizeof(struct bcm_flash2x_bitmap))) {
1796                         kfree(psFlash2xBitMap);
1797                         return -EFAULT;
1798                 }
1799
1800                 kfree(psFlash2xBitMap);
1801         }
1802         break;
1803
1804         case IOCTL_BCM_SET_ACTIVE_SECTION: {
1805                 enum bcm_flash2x_section_val eFlash2xSectionVal = 0;
1806                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SET_ACTIVE_SECTION Called");
1807
1808                 if (IsFlash2x(Adapter) != TRUE) {
1809                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1810                         return -EINVAL;
1811                 }
1812
1813                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1814                 if (Status) {
1815                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1816                         return -EFAULT;
1817                 }
1818
1819                 Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT));
1820                 if (Status) {
1821                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed");
1822                         return -EFAULT;
1823                 }
1824
1825                 down(&Adapter->NVMRdmWrmLock);
1826
1827                 if ((Adapter->IdleMode == TRUE) ||
1828                         (Adapter->bShutStatus == TRUE) ||
1829                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1830
1831                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1832                         up(&Adapter->NVMRdmWrmLock);
1833                         return -EACCES;
1834                 }
1835
1836                 Status = BcmSetActiveSection(Adapter, eFlash2xSectionVal);
1837                 if (Status)
1838                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Failed to make it's priority Highest. Status %d", Status);
1839
1840                 up(&Adapter->NVMRdmWrmLock);
1841         }
1842         break;
1843
1844         case IOCTL_BCM_IDENTIFY_ACTIVE_SECTION: {
1845                 /* Right Now we are taking care of only DSD */
1846                 Adapter->bAllDSDWriteAllow = false;
1847                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_IDENTIFY_ACTIVE_SECTION called");
1848                 Status = STATUS_SUCCESS;
1849         }
1850         break;
1851
1852         case IOCTL_BCM_COPY_SECTION: {
1853                 struct bcm_flash2x_copy_section sCopySectStrut = {0};
1854                 Status = STATUS_SUCCESS;
1855                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_COPY_SECTION  Called");
1856
1857                 Adapter->bAllDSDWriteAllow = false;
1858                 if (IsFlash2x(Adapter) != TRUE) {
1859                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1860                         return -EINVAL;
1861                 }
1862
1863                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1864                 if (Status) {
1865                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed Status :%d", Status);
1866                         return -EFAULT;
1867                 }
1868
1869                 Status = copy_from_user(&sCopySectStrut, IoBuffer.InputBuffer, sizeof(struct bcm_flash2x_copy_section));
1870                 if (Status) {
1871                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of Copy_Section_Struct failed with Status :%d", Status);
1872                         return -EFAULT;
1873                 }
1874
1875                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source SEction :%x", sCopySectStrut.SrcSection);
1876                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Destination SEction :%x", sCopySectStrut.DstSection);
1877                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "offset :%x", sCopySectStrut.offset);
1878                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "NOB :%x", sCopySectStrut.numOfBytes);
1879
1880                 if (IsSectionExistInFlash(Adapter, sCopySectStrut.SrcSection) == false) {
1881                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Source Section<%x> does not exist in Flash ", sCopySectStrut.SrcSection);
1882                         return -EINVAL;
1883                 }
1884
1885                 if (IsSectionExistInFlash(Adapter, sCopySectStrut.DstSection) == false) {
1886                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Destinatio Section<%x> does not exist in Flash ", sCopySectStrut.DstSection);
1887                         return -EINVAL;
1888                 }
1889
1890                 if (sCopySectStrut.SrcSection == sCopySectStrut.DstSection) {
1891                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source and Destination section should be different");
1892                         return -EINVAL;
1893                 }
1894
1895                 down(&Adapter->NVMRdmWrmLock);
1896
1897                 if ((Adapter->IdleMode == TRUE) ||
1898                         (Adapter->bShutStatus == TRUE) ||
1899                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
1900
1901                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
1902                         up(&Adapter->NVMRdmWrmLock);
1903                         return -EACCES;
1904                 }
1905
1906                 if (sCopySectStrut.SrcSection == ISO_IMAGE1 || sCopySectStrut.SrcSection == ISO_IMAGE2) {
1907                         if (IsNonCDLessDevice(Adapter)) {
1908                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is Non-CDLess hence won't have ISO !!");
1909                                 Status = -EINVAL;
1910                         } else if (sCopySectStrut.numOfBytes == 0) {
1911                                 Status = BcmCopyISO(Adapter, sCopySectStrut);
1912                         } else {
1913                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Partial Copy of ISO section is not Allowed..");
1914                                 Status = STATUS_FAILURE;
1915                         }
1916                         up(&Adapter->NVMRdmWrmLock);
1917                         return Status;
1918                 }
1919
1920                 Status = BcmCopySection(Adapter, sCopySectStrut.SrcSection,
1921                                         sCopySectStrut.DstSection, sCopySectStrut.offset, sCopySectStrut.numOfBytes);
1922                 up(&Adapter->NVMRdmWrmLock);
1923         }
1924         break;
1925
1926         case IOCTL_BCM_GET_FLASH_CS_INFO: {
1927                 Status = STATUS_SUCCESS;
1928                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, " IOCTL_BCM_GET_FLASH_CS_INFO Called");
1929
1930                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1931                 if (Status) {
1932                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1933                         return -EFAULT;
1934                 }
1935
1936                 if (Adapter->eNVMType != NVM_FLASH) {
1937                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Connected device does not have flash");
1938                         Status = -EINVAL;
1939                         break;
1940                 }
1941
1942                 if (IsFlash2x(Adapter) == TRUE) {
1943                         if (IoBuffer.OutputLength < sizeof(struct bcm_flash2x_cs_info))
1944                                 return -EINVAL;
1945
1946                         if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlash2xCSInfo, sizeof(struct bcm_flash2x_cs_info)))
1947                                 return -EFAULT;
1948                 } else {
1949                         if (IoBuffer.OutputLength < sizeof(struct bcm_flash_cs_info))
1950                                 return -EINVAL;
1951
1952                         if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlashCSInfo, sizeof(struct bcm_flash_cs_info)))
1953                                 return -EFAULT;
1954                 }
1955         }
1956         break;
1957
1958         case IOCTL_BCM_SELECT_DSD: {
1959                 UINT SectOfset = 0;
1960                 enum bcm_flash2x_section_val eFlash2xSectionVal;
1961                 eFlash2xSectionVal = NO_SECTION_VAL;
1962                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SELECT_DSD Called");
1963
1964                 if (IsFlash2x(Adapter) != TRUE) {
1965                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map");
1966                         return -EINVAL;
1967                 }
1968
1969                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
1970                 if (Status) {
1971                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
1972                         return -EFAULT;
1973                 }
1974                 Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT));
1975                 if (Status) {
1976                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed");
1977                         return -EFAULT;
1978                 }
1979
1980                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Read Section :%d", eFlash2xSectionVal);
1981                 if ((eFlash2xSectionVal != DSD0) &&
1982                         (eFlash2xSectionVal != DSD1) &&
1983                         (eFlash2xSectionVal != DSD2)) {
1984
1985                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Passed section<%x> is not DSD section", eFlash2xSectionVal);
1986                         return STATUS_FAILURE;
1987                 }
1988
1989                 SectOfset = BcmGetSectionValStartOffset(Adapter, eFlash2xSectionVal);
1990                 if (SectOfset == INVALID_OFFSET) {
1991                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Provided Section val <%d> does not exist in Flash 2.x", eFlash2xSectionVal);
1992                         return -EINVAL;
1993                 }
1994
1995                 Adapter->bAllDSDWriteAllow = TRUE;
1996                 Adapter->ulFlashCalStart = SectOfset;
1997                 Adapter->eActiveDSD = eFlash2xSectionVal;
1998         }
1999         Status = STATUS_SUCCESS;
2000         break;
2001
2002         case IOCTL_BCM_NVM_RAW_READ: {
2003                 struct bcm_nvm_readwrite stNVMRead;
2004                 INT NOB;
2005                 INT BuffSize;
2006                 INT ReadOffset = 0;
2007                 UINT ReadBytes = 0;
2008                 PUCHAR pReadBuff;
2009                 void __user *OutPutBuff;
2010
2011                 if (Adapter->eNVMType != NVM_FLASH) {
2012                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "NVM TYPE is not Flash");
2013                         return -EINVAL;
2014                 }
2015
2016                 /* Copy Ioctl Buffer structure */
2017                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer))) {
2018                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user 1 failed\n");
2019                         return -EFAULT;
2020                 }
2021
2022                 if (copy_from_user(&stNVMRead, IoBuffer.OutputBuffer, sizeof(struct bcm_nvm_readwrite)))
2023                         return -EFAULT;
2024
2025                 NOB = stNVMRead.uiNumBytes;
2026                 /* In Raw-Read max Buff size : 64MB */
2027
2028                 if (NOB > DEFAULT_BUFF_SIZE)
2029                         BuffSize = DEFAULT_BUFF_SIZE;
2030                 else
2031                         BuffSize = NOB;
2032
2033                 ReadOffset = stNVMRead.uiOffset;
2034                 OutPutBuff = stNVMRead.pBuffer;
2035
2036                 pReadBuff = kzalloc(BuffSize , GFP_KERNEL);
2037                 if (pReadBuff == NULL) {
2038                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure");
2039                         Status = -ENOMEM;
2040                         break;
2041                 }
2042                 down(&Adapter->NVMRdmWrmLock);
2043
2044                 if ((Adapter->IdleMode == TRUE) ||
2045                         (Adapter->bShutStatus == TRUE) ||
2046                         (Adapter->bPreparingForLowPowerMode == TRUE)) {
2047
2048                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n");
2049                         kfree(pReadBuff);
2050                         up(&Adapter->NVMRdmWrmLock);
2051                         return -EACCES;
2052                 }
2053
2054                 Adapter->bFlashRawRead = TRUE;
2055
2056                 while (NOB) {
2057                         if (NOB > DEFAULT_BUFF_SIZE)
2058                                 ReadBytes = DEFAULT_BUFF_SIZE;
2059                         else
2060                                 ReadBytes = NOB;
2061
2062                         /* Reading the data from Flash 2.x */
2063                         Status = BeceemNVMRead(Adapter, (PUINT)pReadBuff, ReadOffset, ReadBytes);
2064                         if (Status) {
2065                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status);
2066                                 break;
2067                         }
2068
2069                         BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes);
2070
2071                         Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes);
2072                         if (Status) {
2073                                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to use failed with status :%d", Status);
2074                                 up(&Adapter->NVMRdmWrmLock);
2075                                 kfree(pReadBuff);
2076                                 return -EFAULT;
2077                         }
2078                         NOB = NOB - ReadBytes;
2079                         if (NOB) {
2080                                 ReadOffset = ReadOffset + ReadBytes;
2081                                 OutPutBuff = OutPutBuff + ReadBytes;
2082                         }
2083                 }
2084                 Adapter->bFlashRawRead = false;
2085                 up(&Adapter->NVMRdmWrmLock);
2086                 kfree(pReadBuff);
2087                 break;
2088         }
2089
2090         case IOCTL_BCM_CNTRLMSG_MASK: {
2091                 ULONG RxCntrlMsgBitMask = 0;
2092
2093                 /* Copy Ioctl Buffer structure */
2094                 Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
2095                 if (Status) {
2096                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of Ioctl buffer is failed from user space");
2097                         return -EFAULT;
2098                 }
2099
2100                 if (IoBuffer.InputLength != sizeof(unsigned long)) {
2101                         Status = -EINVAL;
2102                         break;
2103                 }
2104
2105                 Status = copy_from_user(&RxCntrlMsgBitMask, IoBuffer.InputBuffer, IoBuffer.InputLength);
2106                 if (Status) {
2107                         BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of control bit mask failed from user space");
2108                         return -EFAULT;
2109                 }
2110                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\n Got user defined cntrl msg bit mask :%lx", RxCntrlMsgBitMask);
2111                 pTarang->RxCntrlMsgBitMask = RxCntrlMsgBitMask;
2112         }
2113         break;
2114
2115         case IOCTL_BCM_GET_DEVICE_DRIVER_INFO: {
2116                 struct bcm_driver_info DevInfo;
2117
2118                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n");
2119
2120                 memset(&DevInfo, 0, sizeof(DevInfo));
2121                 DevInfo.MaxRDMBufferSize = BUFFER_4K;
2122                 DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START;
2123                 DevInfo.u32RxAlignmentCorrection = 0;
2124                 DevInfo.u32NVMType = Adapter->eNVMType;
2125                 DevInfo.u32InterfaceType = BCM_USB;
2126
2127                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
2128                         return -EFAULT;
2129
2130                 if (IoBuffer.OutputLength < sizeof(DevInfo))
2131                         return -EINVAL;
2132
2133                 if (copy_to_user(IoBuffer.OutputBuffer, &DevInfo, sizeof(DevInfo)))
2134                         return -EFAULT;
2135         }
2136         break;
2137
2138         case IOCTL_BCM_TIME_SINCE_NET_ENTRY: {
2139                 struct bcm_time_elapsed stTimeElapsedSinceNetEntry = {0};
2140
2141                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_TIME_SINCE_NET_ENTRY called");
2142
2143                 if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
2144                         return -EFAULT;
2145
2146                 if (IoBuffer.OutputLength < sizeof(struct bcm_time_elapsed))
2147                         return -EINVAL;
2148
2149                 stTimeElapsedSinceNetEntry.ul64TimeElapsedSinceNetEntry = get_seconds() - Adapter->liTimeSinceLastNetEntry;
2150
2151                 if (copy_to_user(IoBuffer.OutputBuffer, &stTimeElapsedSinceNetEntry, sizeof(struct bcm_time_elapsed)))
2152                         return -EFAULT;
2153         }
2154         break;
2155
2156         case IOCTL_CLOSE_NOTIFICATION:
2157                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_CLOSE_NOTIFICATION");
2158                 break;
2159
2160         default:
2161                 pr_info(DRV_NAME ": unknown ioctl cmd=%#x\n", cmd);
2162                 Status = STATUS_FAILURE;
2163                 break;
2164         }
2165         return Status;
2166 }
2167
2168
2169 static const struct file_operations bcm_fops = {
2170         .owner    = THIS_MODULE,
2171         .open     = bcm_char_open,
2172         .release  = bcm_char_release,
2173         .read     = bcm_char_read,
2174         .unlocked_ioctl    = bcm_char_ioctl,
2175         .llseek = no_llseek,
2176 };
2177
2178 int register_control_device_interface(struct bcm_mini_adapter *Adapter)
2179 {
2180
2181         if (Adapter->major > 0)
2182                 return Adapter->major;
2183
2184         Adapter->major = register_chrdev(0, DEV_NAME, &bcm_fops);
2185         if (Adapter->major < 0) {
2186                 pr_err(DRV_NAME ": could not created character device\n");
2187                 return Adapter->major;
2188         }
2189
2190         Adapter->pstCreatedClassDevice = device_create(bcm_class, NULL,
2191                                                 MKDEV(Adapter->major, 0),
2192                                                 Adapter, DEV_NAME);
2193
2194         if (IS_ERR(Adapter->pstCreatedClassDevice)) {
2195                 pr_err(DRV_NAME ": class device create failed\n");
2196                 unregister_chrdev(Adapter->major, DEV_NAME);
2197                 return PTR_ERR(Adapter->pstCreatedClassDevice);
2198         }
2199
2200         return 0;
2201 }
2202
2203 void unregister_control_device_interface(struct bcm_mini_adapter *Adapter)
2204 {
2205         if (Adapter->major > 0) {
2206                 device_destroy(bcm_class, MKDEV(Adapter->major, 0));
2207                 unregister_chrdev(Adapter->major, DEV_NAME);
2208         }
2209 }
2210