drivers/staging/bcm/Bcmchar.c

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