#include #include "headers.h" /*************************************************************** * Function - bcm_char_open() * * Description - This is the "open" entry point for the character * driver. * * Parameters - inode: Pointer to the Inode structure of char device * filp : File pointer of the char device * * Returns - Zero(Success) ****************************************************************/ static int bcm_char_open(struct inode *inode, struct file * filp) { PMINI_ADAPTER Adapter = NULL; PPER_TARANG_DATA pTarang = NULL; Adapter = GET_BCM_ADAPTER(gblpnetdev); pTarang = kzalloc(sizeof(PER_TARANG_DATA), GFP_KERNEL); if (!pTarang) return -ENOMEM; pTarang->Adapter = Adapter; pTarang->RxCntrlMsgBitMask = 0xFFFFFFFF & ~(1 << 0xB); down(&Adapter->RxAppControlQueuelock); pTarang->next = Adapter->pTarangs; Adapter->pTarangs = pTarang; up(&Adapter->RxAppControlQueuelock); /* Store the Adapter structure */ filp->private_data = pTarang; /* Start Queuing the control response Packets */ atomic_inc(&Adapter->ApplicationRunning); nonseekable_open(inode, filp); return 0; } static int bcm_char_release(struct inode *inode, struct file *filp) { PPER_TARANG_DATA pTarang, tmp, ptmp; PMINI_ADAPTER Adapter = NULL; struct sk_buff *pkt, *npkt; pTarang = (PPER_TARANG_DATA)filp->private_data; if (pTarang == NULL) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "ptarang is null\n"); return 0; } Adapter = pTarang->Adapter; down(&Adapter->RxAppControlQueuelock); tmp = Adapter->pTarangs; for (ptmp = NULL; tmp; ptmp = tmp, tmp = tmp->next) { if (tmp == pTarang) break; } if (tmp) { if (!ptmp) Adapter->pTarangs = tmp->next; else ptmp->next = tmp->next; } else { up(&Adapter->RxAppControlQueuelock); return 0; } pkt = pTarang->RxAppControlHead; while (pkt) { npkt = pkt->next; kfree_skb(pkt); pkt = npkt; } up(&Adapter->RxAppControlQueuelock); /* Stop Queuing the control response Packets */ atomic_dec(&Adapter->ApplicationRunning); kfree(pTarang); /* remove this filp from the asynchronously notified filp's */ filp->private_data = NULL; return 0; } static ssize_t bcm_char_read(struct file *filp, char __user *buf, size_t size, loff_t *f_pos) { PPER_TARANG_DATA pTarang = filp->private_data; PMINI_ADAPTER Adapter = pTarang->Adapter; struct sk_buff *Packet = NULL; ssize_t PktLen = 0; int wait_ret_val = 0; unsigned long ret = 0; wait_ret_val = wait_event_interruptible(Adapter->process_read_wait_queue, (pTarang->RxAppControlHead || Adapter->device_removed)); if ((wait_ret_val == -ERESTARTSYS)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Exiting as i've been asked to exit!!!\n"); return wait_ret_val; } if (Adapter->device_removed) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device Removed... Killing the Apps...\n"); return -ENODEV; } if (FALSE == Adapter->fw_download_done) return -EACCES; down(&Adapter->RxAppControlQueuelock); if (pTarang->RxAppControlHead) { Packet = pTarang->RxAppControlHead; DEQUEUEPACKET(pTarang->RxAppControlHead, pTarang->RxAppControlTail); pTarang->AppCtrlQueueLen--; } up(&Adapter->RxAppControlQueuelock); if (Packet) { PktLen = Packet->len; ret = copy_to_user(buf, Packet->data, min_t(size_t, PktLen, size)); if (ret) { dev_kfree_skb(Packet); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Returning from copy to user failure\n"); return -EFAULT; } BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Read %zd Bytes From Adapter packet = %p by process %d!\n", PktLen, Packet, current->pid); dev_kfree_skb(Packet); } BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "<\n"); return PktLen; } static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg) { PPER_TARANG_DATA pTarang = filp->private_data; void __user *argp = (void __user *)arg; PMINI_ADAPTER Adapter = pTarang->Adapter; INT Status = STATUS_FAILURE; int timeout = 0; IOCTL_BUFFER IoBuffer; int bytes; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Parameters Passed to control IOCTL cmd=0x%X arg=0x%lX", cmd, arg); if (_IOC_TYPE(cmd) != BCM_IOCTL) return -EFAULT; if (_IOC_DIR(cmd) & _IOC_READ) Status = !access_ok(VERIFY_WRITE, argp, _IOC_SIZE(cmd)); else if (_IOC_DIR(cmd) & _IOC_WRITE) Status = !access_ok(VERIFY_READ, argp, _IOC_SIZE(cmd)); else if (_IOC_NONE == (_IOC_DIR(cmd) & _IOC_NONE)) Status = STATUS_SUCCESS; if (Status) return -EFAULT; if (Adapter->device_removed) return -EFAULT; if (FALSE == Adapter->fw_download_done) { switch (cmd) { case IOCTL_MAC_ADDR_REQ: case IOCTL_LINK_REQ: case IOCTL_CM_REQUEST: case IOCTL_SS_INFO_REQ: case IOCTL_SEND_CONTROL_MESSAGE: case IOCTL_IDLE_REQ: case IOCTL_BCM_GPIO_SET_REQUEST: case IOCTL_BCM_GPIO_STATUS_REQUEST: return -EACCES; default: break; } } Status = vendorextnIoctl(Adapter, cmd, arg); if (Status != CONTINUE_COMMON_PATH) return Status; switch (cmd) { /* Rdms for Swin Idle... */ case IOCTL_BCM_REGISTER_READ_PRIVATE: { RDM_BUFFER sRdmBuffer = {0}; PCHAR temp_buff; UINT Bufflen; u16 temp_value; /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength > sizeof(sRdmBuffer)) return -EINVAL; if (copy_from_user(&sRdmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength)) return -EFAULT; if (IoBuffer.OutputLength > USHRT_MAX || IoBuffer.OutputLength == 0) { return -EINVAL; } Bufflen = IoBuffer.OutputLength; temp_value = 4 - (Bufflen % 4); Bufflen += temp_value % 4; temp_buff = kmalloc(Bufflen, GFP_KERNEL); if (!temp_buff) return -ENOMEM; bytes = rdmalt(Adapter, (UINT)sRdmBuffer.Register, (PUINT)temp_buff, Bufflen); if (bytes > 0) { Status = STATUS_SUCCESS; if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, bytes)) { kfree(temp_buff); return -EFAULT; } } else { Status = bytes; } kfree(temp_buff); break; } case IOCTL_BCM_REGISTER_WRITE_PRIVATE: { WRM_BUFFER sWrmBuffer = {0}; UINT uiTempVar = 0; /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength > sizeof(sWrmBuffer)) return -EINVAL; /* Get WrmBuffer structure */ if (copy_from_user(&sWrmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength)) return -EFAULT; uiTempVar = sWrmBuffer.Register & EEPROM_REJECT_MASK; if (!((Adapter->pstargetparams->m_u32Customize) & VSG_MODE) && ((uiTempVar == EEPROM_REJECT_REG_1) || (uiTempVar == EEPROM_REJECT_REG_2) || (uiTempVar == EEPROM_REJECT_REG_3) || (uiTempVar == EEPROM_REJECT_REG_4))) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "EEPROM Access Denied, not in VSG Mode\n"); return -EFAULT; } Status = wrmalt(Adapter, (UINT)sWrmBuffer.Register, (PUINT)sWrmBuffer.Data, sizeof(ULONG)); if (Status == STATUS_SUCCESS) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "WRM Done\n"); } else { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "WRM Failed\n"); Status = -EFAULT; } break; } case IOCTL_BCM_REGISTER_READ: case IOCTL_BCM_EEPROM_REGISTER_READ: { RDM_BUFFER sRdmBuffer = {0}; PCHAR temp_buff = NULL; UINT uiTempVar = 0; if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device in Idle Mode, Blocking Rdms\n"); return -EACCES; } /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength > sizeof(sRdmBuffer)) return -EINVAL; if (copy_from_user(&sRdmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength)) return -EFAULT; if (IoBuffer.OutputLength > USHRT_MAX || IoBuffer.OutputLength == 0) { return -EINVAL; } temp_buff = kmalloc(IoBuffer.OutputLength, GFP_KERNEL); if (!temp_buff) return STATUS_FAILURE; if ((((ULONG)sRdmBuffer.Register & 0x0F000000) != 0x0F000000) || ((ULONG)sRdmBuffer.Register & 0x3)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "RDM Done On invalid Address : %x Access Denied.\n", (int)sRdmBuffer.Register); kfree(temp_buff); return -EINVAL; } uiTempVar = sRdmBuffer.Register & EEPROM_REJECT_MASK; bytes = rdmaltWithLock(Adapter, (UINT)sRdmBuffer.Register, (PUINT)temp_buff, IoBuffer.OutputLength); if (bytes > 0) { Status = STATUS_SUCCESS; if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, bytes)) { kfree(temp_buff); return -EFAULT; } } else { Status = bytes; } kfree(temp_buff); break; } case IOCTL_BCM_REGISTER_WRITE: case IOCTL_BCM_EEPROM_REGISTER_WRITE: { WRM_BUFFER sWrmBuffer = {0}; UINT uiTempVar = 0; if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device in Idle Mode, Blocking Wrms\n"); return -EACCES; } /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength > sizeof(sWrmBuffer)) return -EINVAL; /* Get WrmBuffer structure */ if (copy_from_user(&sWrmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength)) return -EFAULT; if ((((ULONG)sWrmBuffer.Register & 0x0F000000) != 0x0F000000) || ((ULONG)sWrmBuffer.Register & 0x3)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Done On invalid Address : %x Access Denied.\n", (int)sWrmBuffer.Register); return -EINVAL; } uiTempVar = sWrmBuffer.Register & EEPROM_REJECT_MASK; if (!((Adapter->pstargetparams->m_u32Customize) & VSG_MODE) && ((uiTempVar == EEPROM_REJECT_REG_1) || (uiTempVar == EEPROM_REJECT_REG_2) || (uiTempVar == EEPROM_REJECT_REG_3) || (uiTempVar == EEPROM_REJECT_REG_4)) && (cmd == IOCTL_BCM_REGISTER_WRITE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "EEPROM Access Denied, not in VSG Mode\n"); return -EFAULT; } Status = wrmaltWithLock(Adapter, (UINT)sWrmBuffer.Register, (PUINT)sWrmBuffer.Data, sWrmBuffer.Length); if (Status == STATUS_SUCCESS) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, OSAL_DBG, DBG_LVL_ALL, "WRM Done\n"); } else { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "WRM Failed\n"); Status = -EFAULT; } break; } case IOCTL_BCM_GPIO_SET_REQUEST: { UCHAR ucResetValue[4]; UINT value = 0; UINT uiBit = 0; UINT uiOperation = 0; GPIO_INFO gpio_info = {0}; if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "GPIO Can't be set/clear in Low power Mode"); return -EACCES; } if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength > sizeof(gpio_info)) return -EINVAL; if (copy_from_user(&gpio_info, IoBuffer.InputBuffer, IoBuffer.InputLength)) return -EFAULT; uiBit = gpio_info.uiGpioNumber; uiOperation = gpio_info.uiGpioValue; value = (1< is not correspond to LED !!!", value); Status = -EINVAL; break; } /* Set - setting 1 */ if (uiOperation) { /* Set the gpio output register */ Status = wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_SET_REG, (PUINT)(&value), sizeof(UINT)); if (Status == STATUS_SUCCESS) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Set the GPIO bit\n"); } else { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Failed to set the %dth GPIO\n", uiBit); break; } } else { /* Set the gpio output register */ Status = wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_CLR_REG, (PUINT)(&value), sizeof(UINT)); if (Status == STATUS_SUCCESS) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Set the GPIO bit\n"); } else { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Failed to clear the %dth GPIO\n", uiBit); break; } } bytes = rdmaltWithLock(Adapter, (UINT)GPIO_MODE_REGISTER, (PUINT)ucResetValue, sizeof(UINT)); if (bytes < 0) { Status = bytes; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "GPIO_MODE_REGISTER read failed"); break; } else { Status = STATUS_SUCCESS; } /* Set the gpio mode register to output */ *(UINT *)ucResetValue |= (1<IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "GPIO Can't be set/clear in Low power Mode"); Status = -EACCES; break; } if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength > sizeof(threadReq)) return -EINVAL; if (copy_from_user(&threadReq, IoBuffer.InputBuffer, IoBuffer.InputLength)) return -EFAULT; /* if LED thread is running(Actively or Inactively) set it state to make inactive */ if (Adapter->LEDInfo.led_thread_running) { if (threadReq.ThreadState == LED_THREAD_ACTIVATION_REQ) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Activating thread req"); Adapter->DriverState = LED_THREAD_ACTIVE; } else { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DeActivating Thread req....."); Adapter->DriverState = LED_THREAD_INACTIVE; } /* signal thread. */ wake_up(&Adapter->LEDInfo.notify_led_event); } } break; case IOCTL_BCM_GPIO_STATUS_REQUEST: { ULONG uiBit = 0; UCHAR ucRead[4]; GPIO_INFO gpio_info = {0}; if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) return -EACCES; if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength > sizeof(gpio_info)) return -EINVAL; if (copy_from_user(&gpio_info, IoBuffer.InputBuffer, IoBuffer.InputLength)) return -EFAULT; uiBit = gpio_info.uiGpioNumber; /* Set the gpio output register */ bytes = rdmaltWithLock(Adapter, (UINT)GPIO_PIN_STATE_REGISTER, (PUINT)ucRead, sizeof(UINT)); if (bytes < 0) { Status = bytes; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "RDM Failed\n"); return Status; } else { Status = STATUS_SUCCESS; } } break; case IOCTL_BCM_GPIO_MULTI_REQUEST: { UCHAR ucResetValue[4]; GPIO_MULTI_INFO gpio_multi_info[MAX_IDX]; PGPIO_MULTI_INFO pgpio_multi_info = (PGPIO_MULTI_INFO)gpio_multi_info; memset(pgpio_multi_info, 0, MAX_IDX * sizeof(GPIO_MULTI_INFO)); if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) return -EINVAL; if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength > sizeof(gpio_multi_info)) return -EINVAL; if (copy_from_user(&gpio_multi_info, IoBuffer.InputBuffer, IoBuffer.InputLength)) return -EFAULT; if (IsReqGpioIsLedInNVM(Adapter, pgpio_multi_info[WIMAX_IDX].uiGPIOMask) == FALSE) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Sorry, Requested GPIO<0x%X> is not correspond to NVM LED bit map<0x%X>!!!", pgpio_multi_info[WIMAX_IDX].uiGPIOMask, Adapter->gpioBitMap); Status = -EINVAL; break; } /* Set the gpio output register */ if ((pgpio_multi_info[WIMAX_IDX].uiGPIOMask) & (pgpio_multi_info[WIMAX_IDX].uiGPIOCommand)) { /* Set 1's in GPIO OUTPUT REGISTER */ *(UINT *)ucResetValue = pgpio_multi_info[WIMAX_IDX].uiGPIOMask & pgpio_multi_info[WIMAX_IDX].uiGPIOCommand & pgpio_multi_info[WIMAX_IDX].uiGPIOValue; if (*(UINT *) ucResetValue) Status = wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_SET_REG, (PUINT)ucResetValue, sizeof(ULONG)); if (Status != STATUS_SUCCESS) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM to BCM_GPIO_OUTPUT_SET_REG Failed."); return Status; } /* Clear to 0's in GPIO OUTPUT REGISTER */ *(UINT *)ucResetValue = (pgpio_multi_info[WIMAX_IDX].uiGPIOMask & pgpio_multi_info[WIMAX_IDX].uiGPIOCommand & (~(pgpio_multi_info[WIMAX_IDX].uiGPIOValue))); if (*(UINT *) ucResetValue) Status = wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_CLR_REG, (PUINT)ucResetValue, sizeof(ULONG)); if (Status != STATUS_SUCCESS) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM to BCM_GPIO_OUTPUT_CLR_REG Failed."); return Status; } } if (pgpio_multi_info[WIMAX_IDX].uiGPIOMask) { bytes = rdmaltWithLock(Adapter, (UINT)GPIO_PIN_STATE_REGISTER, (PUINT)ucResetValue, sizeof(UINT)); if (bytes < 0) { Status = bytes; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "RDM to GPIO_PIN_STATE_REGISTER Failed."); return Status; } else { Status = STATUS_SUCCESS; } pgpio_multi_info[WIMAX_IDX].uiGPIOValue = (*(UINT *)ucResetValue & pgpio_multi_info[WIMAX_IDX].uiGPIOMask); } Status = copy_to_user(IoBuffer.OutputBuffer, &gpio_multi_info, IoBuffer.OutputLength); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Failed while copying Content to IOBufer for user space err:%d", Status); return -EFAULT; } } break; case IOCTL_BCM_GPIO_MODE_REQUEST: { UCHAR ucResetValue[4]; GPIO_MULTI_MODE gpio_multi_mode[MAX_IDX]; PGPIO_MULTI_MODE pgpio_multi_mode = (PGPIO_MULTI_MODE)gpio_multi_mode; if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) return -EINVAL; if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength > sizeof(gpio_multi_mode)) return -EINVAL; if (copy_from_user(&gpio_multi_mode, IoBuffer.InputBuffer, IoBuffer.InputLength)) return -EFAULT; bytes = rdmaltWithLock(Adapter, (UINT)GPIO_MODE_REGISTER, (PUINT)ucResetValue, sizeof(UINT)); if (bytes < 0) { Status = bytes; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Read of GPIO_MODE_REGISTER failed"); return Status; } else { Status = STATUS_SUCCESS; } /* Validating the request */ if (IsReqGpioIsLedInNVM(Adapter, pgpio_multi_mode[WIMAX_IDX].uiGPIOMask) == FALSE) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Sorry, Requested GPIO<0x%X> is not correspond to NVM LED bit map<0x%X>!!!", pgpio_multi_mode[WIMAX_IDX].uiGPIOMask, Adapter->gpioBitMap); Status = -EINVAL; break; } if (pgpio_multi_mode[WIMAX_IDX].uiGPIOMask) { /* write all OUT's (1's) */ *(UINT *) ucResetValue |= (pgpio_multi_mode[WIMAX_IDX].uiGPIOMode & pgpio_multi_mode[WIMAX_IDX].uiGPIOMask); /* write all IN's (0's) */ *(UINT *) ucResetValue &= ~((~pgpio_multi_mode[WIMAX_IDX].uiGPIOMode) & pgpio_multi_mode[WIMAX_IDX].uiGPIOMask); /* Currently implemented return the modes of all GPIO's * else needs to bit AND with mask */ pgpio_multi_mode[WIMAX_IDX].uiGPIOMode = *(UINT *)ucResetValue; Status = wrmaltWithLock(Adapter, GPIO_MODE_REGISTER, (PUINT)ucResetValue, sizeof(ULONG)); if (Status == STATUS_SUCCESS) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "WRM to GPIO_MODE_REGISTER Done"); } else { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM to GPIO_MODE_REGISTER Failed"); Status = -EFAULT; break; } } else { /* if uiGPIOMask is 0 then return mode register configuration */ pgpio_multi_mode[WIMAX_IDX].uiGPIOMode = *(UINT *)ucResetValue; } Status = copy_to_user(IoBuffer.OutputBuffer, &gpio_multi_mode, IoBuffer.OutputLength); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Failed while copying Content to IOBufer for user space err:%d", Status); return -EFAULT; } } break; case IOCTL_MAC_ADDR_REQ: case IOCTL_LINK_REQ: case IOCTL_CM_REQUEST: case IOCTL_SS_INFO_REQ: case IOCTL_SEND_CONTROL_MESSAGE: case IOCTL_IDLE_REQ: { PVOID pvBuffer = NULL; /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength < sizeof(struct link_request)) return -EINVAL; if (IoBuffer.InputLength > MAX_CNTL_PKT_SIZE) return -EINVAL; pvBuffer = kmalloc(IoBuffer.InputLength, GFP_KERNEL); if (!pvBuffer) return -ENOMEM; if (copy_from_user(pvBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength)) { kfree(pvBuffer); return -EFAULT; } down(&Adapter->LowPowerModeSync); Status = wait_event_interruptible_timeout(Adapter->lowpower_mode_wait_queue, !Adapter->bPreparingForLowPowerMode, (1 * HZ)); if (Status == -ERESTARTSYS) goto cntrlEnd; if (Adapter->bPreparingForLowPowerMode) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Preparing Idle Mode is still True - Hence Rejecting control message\n"); Status = STATUS_FAILURE; goto cntrlEnd; } Status = CopyBufferToControlPacket(Adapter, (PVOID)pvBuffer); cntrlEnd: up(&Adapter->LowPowerModeSync); kfree(pvBuffer); break; } case IOCTL_BCM_BUFFER_DOWNLOAD_START: { if (down_trylock(&Adapter->NVMRdmWrmLock)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_CHIP_RESET not allowed as EEPROM Read/Write is in progress\n"); return -EACCES; } BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Starting the firmware download PID =0x%x!!!!\n", current->pid); if (down_trylock(&Adapter->fw_download_sema)) return -EBUSY; Adapter->bBinDownloaded = FALSE; Adapter->fw_download_process_pid = current->pid; Adapter->bCfgDownloaded = FALSE; Adapter->fw_download_done = FALSE; netif_carrier_off(Adapter->dev); netif_stop_queue(Adapter->dev); Status = reset_card_proc(Adapter); if (Status) { pr_err(PFX "%s: reset_card_proc Failed!\n", Adapter->dev->name); up(&Adapter->fw_download_sema); up(&Adapter->NVMRdmWrmLock); return Status; } mdelay(10); up(&Adapter->NVMRdmWrmLock); return Status; } case IOCTL_BCM_BUFFER_DOWNLOAD: { FIRMWARE_INFO *psFwInfo = NULL; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Starting the firmware download PID =0x%x!!!!\n", current->pid); if (!down_trylock(&Adapter->fw_download_sema)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Invalid way to download buffer. Use Start and then call this!!!\n"); up(&Adapter->fw_download_sema); Status = -EINVAL; return Status; } /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) { up(&Adapter->fw_download_sema); return -EFAULT; } BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Length for FW DLD is : %lx\n", IoBuffer.InputLength); if (IoBuffer.InputLength > sizeof(FIRMWARE_INFO)) { up(&Adapter->fw_download_sema); return -EINVAL; } psFwInfo = kmalloc(sizeof(*psFwInfo), GFP_KERNEL); if (!psFwInfo) { up(&Adapter->fw_download_sema); return -ENOMEM; } if (copy_from_user(psFwInfo, IoBuffer.InputBuffer, IoBuffer.InputLength)) { up(&Adapter->fw_download_sema); return -EFAULT; } if (!psFwInfo->pvMappedFirmwareAddress || (psFwInfo->u32FirmwareLength == 0)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Something else is wrong %lu\n", psFwInfo->u32FirmwareLength); up(&Adapter->fw_download_sema); Status = -EINVAL; return Status; } Status = bcm_ioctl_fw_download(Adapter, psFwInfo); if (Status != STATUS_SUCCESS) { if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR) BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL: Configuration File Upload Failed\n"); else BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL: Firmware File Upload Failed\n"); /* up(&Adapter->fw_download_sema); */ if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) { Adapter->DriverState = DRIVER_INIT; Adapter->LEDInfo.bLedInitDone = FALSE; wake_up(&Adapter->LEDInfo.notify_led_event); } } if (Status != STATUS_SUCCESS) up(&Adapter->fw_download_sema); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, OSAL_DBG, DBG_LVL_ALL, "IOCTL: Firmware File Uploaded\n"); kfree(psFwInfo); return Status; } case IOCTL_BCM_BUFFER_DOWNLOAD_STOP: { if (!down_trylock(&Adapter->fw_download_sema)) { up(&Adapter->fw_download_sema); return -EINVAL; } if (down_trylock(&Adapter->NVMRdmWrmLock)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "FW download blocked as EEPROM Read/Write is in progress\n"); up(&Adapter->fw_download_sema); return -EACCES; } Adapter->bBinDownloaded = TRUE; Adapter->bCfgDownloaded = TRUE; atomic_set(&Adapter->CurrNumFreeTxDesc, 0); Adapter->CurrNumRecvDescs = 0; Adapter->downloadDDR = 0; /* setting the Mips to Run */ Status = run_card_proc(Adapter); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Firm Download Failed\n"); up(&Adapter->fw_download_sema); up(&Adapter->NVMRdmWrmLock); return Status; } else { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Firm Download Over...\n"); } mdelay(10); /* Wait for MailBox Interrupt */ if (StartInterruptUrb((PS_INTERFACE_ADAPTER)Adapter->pvInterfaceAdapter)) BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Unable to send interrupt...\n"); timeout = 5*HZ; Adapter->waiting_to_fw_download_done = FALSE; wait_event_timeout(Adapter->ioctl_fw_dnld_wait_queue, Adapter->waiting_to_fw_download_done, timeout); Adapter->fw_download_process_pid = INVALID_PID; Adapter->fw_download_done = TRUE; atomic_set(&Adapter->CurrNumFreeTxDesc, 0); Adapter->CurrNumRecvDescs = 0; Adapter->PrevNumRecvDescs = 0; atomic_set(&Adapter->cntrlpktCnt, 0); Adapter->LinkUpStatus = 0; Adapter->LinkStatus = 0; if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) { Adapter->DriverState = FW_DOWNLOAD_DONE; wake_up(&Adapter->LEDInfo.notify_led_event); } if (!timeout) Status = -ENODEV; up(&Adapter->fw_download_sema); up(&Adapter->NVMRdmWrmLock); return Status; } case IOCTL_BE_BUCKET_SIZE: Status = 0; if (get_user(Adapter->BEBucketSize, (unsigned long __user *)arg)) Status = -EFAULT; break; case IOCTL_RTPS_BUCKET_SIZE: Status = 0; if (get_user(Adapter->rtPSBucketSize, (unsigned long __user *)arg)) Status = -EFAULT; break; case IOCTL_CHIP_RESET: { INT NVMAccess = down_trylock(&Adapter->NVMRdmWrmLock); if (NVMAccess) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, " IOCTL_BCM_CHIP_RESET not allowed as EEPROM Read/Write is in progress\n"); return -EACCES; } down(&Adapter->RxAppControlQueuelock); Status = reset_card_proc(Adapter); flushAllAppQ(); up(&Adapter->RxAppControlQueuelock); up(&Adapter->NVMRdmWrmLock); ResetCounters(Adapter); break; } case IOCTL_QOS_THRESHOLD: { USHORT uiLoopIndex; Status = 0; for (uiLoopIndex = 0; uiLoopIndex < NO_OF_QUEUES; uiLoopIndex++) { if (get_user(Adapter->PackInfo[uiLoopIndex].uiThreshold, (unsigned long __user *)arg)) { Status = -EFAULT; break; } } break; } case IOCTL_DUMP_PACKET_INFO: DumpPackInfo(Adapter); DumpPhsRules(&Adapter->stBCMPhsContext); Status = STATUS_SUCCESS; break; case IOCTL_GET_PACK_INFO: if (copy_to_user(argp, &Adapter->PackInfo, sizeof(PacketInfo)*NO_OF_QUEUES)) return -EFAULT; Status = STATUS_SUCCESS; break; case IOCTL_BCM_SWITCH_TRANSFER_MODE: { UINT uiData = 0; if (copy_from_user(&uiData, argp, sizeof(UINT))) return -EFAULT; if (uiData) { /* Allow All Packets */ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: ETH_PACKET_TUNNELING_MODE\n"); Adapter->TransferMode = ETH_PACKET_TUNNELING_MODE; } else { /* Allow IP only Packets */ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SWITCH_TRANSFER_MODE: IP_PACKET_ONLY_MODE\n"); Adapter->TransferMode = IP_PACKET_ONLY_MODE; } Status = STATUS_SUCCESS; break; } case IOCTL_BCM_GET_DRIVER_VERSION: { ulong len; /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; len = min_t(ulong, IoBuffer.OutputLength, strlen(VER_FILEVERSION_STR) + 1); if (copy_to_user(IoBuffer.OutputBuffer, VER_FILEVERSION_STR, len)) return -EFAULT; Status = STATUS_SUCCESS; break; } case IOCTL_BCM_GET_CURRENT_STATUS: { LINK_STATE link_state; /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user failed..\n"); return -EFAULT; } if (IoBuffer.OutputLength != sizeof(link_state)) { Status = -EINVAL; break; } memset(&link_state, 0, sizeof(link_state)); link_state.bIdleMode = Adapter->IdleMode; link_state.bShutdownMode = Adapter->bShutStatus; link_state.ucLinkStatus = Adapter->LinkStatus; if (copy_to_user(IoBuffer.OutputBuffer, &link_state, min_t(size_t, sizeof(link_state), IoBuffer.OutputLength))) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy_to_user Failed..\n"); return -EFAULT; } Status = STATUS_SUCCESS; break; } case IOCTL_BCM_SET_MAC_TRACING: { UINT tracing_flag; /* copy ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (copy_from_user(&tracing_flag, IoBuffer.InputBuffer, sizeof(UINT))) return -EFAULT; if (tracing_flag) Adapter->pTarangs->MacTracingEnabled = TRUE; else Adapter->pTarangs->MacTracingEnabled = FALSE; break; } case IOCTL_BCM_GET_DSX_INDICATION: { ULONG ulSFId = 0; if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.OutputLength < sizeof(stLocalSFAddIndicationAlt)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Mismatch req: %lx needed is =0x%zx!!!", IoBuffer.OutputLength, sizeof(stLocalSFAddIndicationAlt)); return -EINVAL; } if (copy_from_user(&ulSFId, IoBuffer.InputBuffer, sizeof(ulSFId))) return -EFAULT; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Get DSX Data SF ID is =%lx\n", ulSFId); get_dsx_sf_data_to_application(Adapter, ulSFId, IoBuffer.OutputBuffer); Status = STATUS_SUCCESS; } break; case IOCTL_BCM_GET_HOST_MIBS: { PVOID temp_buff; if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.OutputLength != sizeof(S_MIBS_HOST_STATS_MIBS)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Length Check failed %lu %zd\n", IoBuffer.OutputLength, sizeof(S_MIBS_HOST_STATS_MIBS)); return -EINVAL; } /* FIXME: HOST_STATS are too big for kmalloc (122048)! */ temp_buff = kzalloc(sizeof(S_MIBS_HOST_STATS_MIBS), GFP_KERNEL); if (!temp_buff) return STATUS_FAILURE; Status = ProcessGetHostMibs(Adapter, temp_buff); GetDroppedAppCntrlPktMibs(temp_buff, pTarang); if (Status != STATUS_FAILURE) if (copy_to_user(IoBuffer.OutputBuffer, temp_buff, sizeof(S_MIBS_HOST_STATS_MIBS))) { kfree(temp_buff); return -EFAULT; } kfree(temp_buff); break; } case IOCTL_BCM_WAKE_UP_DEVICE_FROM_IDLE: if ((FALSE == Adapter->bTriedToWakeUpFromlowPowerMode) && (TRUE == Adapter->IdleMode)) { Adapter->usIdleModePattern = ABORT_IDLE_MODE; Adapter->bWakeUpDevice = TRUE; wake_up(&Adapter->process_rx_cntrlpkt); } Status = STATUS_SUCCESS; break; case IOCTL_BCM_BULK_WRM: { PBULKWRM_BUFFER pBulkBuffer; UINT uiTempVar = 0; PCHAR pvBuffer = NULL; if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "Device in Idle/Shutdown Mode, Blocking Wrms\n"); Status = -EACCES; break; } /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.InputLength < sizeof(ULONG) * 2) return -EINVAL; pvBuffer = kmalloc(IoBuffer.InputLength, GFP_KERNEL); if (!pvBuffer) return -ENOMEM; /* Get WrmBuffer structure */ if (copy_from_user(pvBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength)) { kfree(pvBuffer); return -EFAULT; } pBulkBuffer = (PBULKWRM_BUFFER)pvBuffer; if (((ULONG)pBulkBuffer->Register & 0x0F000000) != 0x0F000000 || ((ULONG)pBulkBuffer->Register & 0x3)) { kfree(pvBuffer); BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Done On invalid Address : %x Access Denied.\n", (int)pBulkBuffer->Register); Status = -EINVAL; break; } uiTempVar = pBulkBuffer->Register & EEPROM_REJECT_MASK; if (!((Adapter->pstargetparams->m_u32Customize)&VSG_MODE) && ((uiTempVar == EEPROM_REJECT_REG_1) || (uiTempVar == EEPROM_REJECT_REG_2) || (uiTempVar == EEPROM_REJECT_REG_3) || (uiTempVar == EEPROM_REJECT_REG_4)) && (cmd == IOCTL_BCM_REGISTER_WRITE)) { kfree(pvBuffer); BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "EEPROM Access Denied, not in VSG Mode\n"); Status = -EFAULT; break; } if (pBulkBuffer->SwapEndian == FALSE) Status = wrmWithLock(Adapter, (UINT)pBulkBuffer->Register, (PCHAR)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG)); else Status = wrmaltWithLock(Adapter, (UINT)pBulkBuffer->Register, (PUINT)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG)); if (Status != STATUS_SUCCESS) BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Failed\n"); kfree(pvBuffer); break; } case IOCTL_BCM_GET_NVM_SIZE: if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (Adapter->eNVMType == NVM_EEPROM || Adapter->eNVMType == NVM_FLASH) { if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiNVMDSDSize, sizeof(UINT))) return -EFAULT; } Status = STATUS_SUCCESS; break; case IOCTL_BCM_CAL_INIT: { UINT uiSectorSize = 0 ; if (Adapter->eNVMType == NVM_FLASH) { if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (copy_from_user(&uiSectorSize, IoBuffer.InputBuffer, sizeof(UINT))) return -EFAULT; if ((uiSectorSize < MIN_SECTOR_SIZE) || (uiSectorSize > MAX_SECTOR_SIZE)) { if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize, sizeof(UINT))) return -EFAULT; } else { if (IsFlash2x(Adapter)) { if (copy_to_user(IoBuffer.OutputBuffer, &Adapter->uiSectorSize, sizeof(UINT))) return -EFAULT; } else { if ((TRUE == Adapter->bShutStatus) || (TRUE == Adapter->IdleMode)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is in Idle/Shutdown Mode\n"); return -EACCES; } Adapter->uiSectorSize = uiSectorSize; BcmUpdateSectorSize(Adapter, Adapter->uiSectorSize); } } Status = STATUS_SUCCESS; } else { Status = STATUS_FAILURE; } } break; case IOCTL_BCM_SET_DEBUG: #ifdef DEBUG { USER_BCM_DBG_STATE sUserDebugState; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "In SET_DEBUG ioctl\n"); if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (copy_from_user(&sUserDebugState, IoBuffer.InputBuffer, sizeof(USER_BCM_DBG_STATE))) return -EFAULT; BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL_BCM_SET_DEBUG: OnOff=%d Type = 0x%x ", sUserDebugState.OnOff, sUserDebugState.Type); /* sUserDebugState.Subtype <<= 1; */ sUserDebugState.Subtype = 1 << sUserDebugState.Subtype; BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "actual Subtype=0x%x\n", sUserDebugState.Subtype); /* Update new 'DebugState' in the Adapter */ Adapter->stDebugState.type |= sUserDebugState.Type; /* Subtype: A bitmap of 32 bits for Subtype per Type. * Valid indexes in 'subtype' array: 1,2,4,8 * corresponding to valid Type values. Hence we can use the 'Type' field * as the index value, ignoring the array entries 0,3,5,6,7 ! */ if (sUserDebugState.OnOff) Adapter->stDebugState.subtype[sUserDebugState.Type] |= sUserDebugState.Subtype; else Adapter->stDebugState.subtype[sUserDebugState.Type] &= ~sUserDebugState.Subtype; BCM_SHOW_DEBUG_BITMAP(Adapter); } #endif break; case IOCTL_BCM_NVM_READ: case IOCTL_BCM_NVM_WRITE: { NVM_READWRITE stNVMReadWrite; PUCHAR pReadData = NULL; ULONG ulDSDMagicNumInUsrBuff = 0; struct timeval tv0, tv1; memset(&tv0, 0, sizeof(struct timeval)); memset(&tv1, 0, sizeof(struct timeval)); if ((Adapter->eNVMType == NVM_FLASH) && (Adapter->uiFlashLayoutMajorVersion == 0)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "The Flash Control Section is Corrupted. Hence Rejection on NVM Read/Write\n"); return -EFAULT; } if (IsFlash2x(Adapter)) { if ((Adapter->eActiveDSD != DSD0) && (Adapter->eActiveDSD != DSD1) && (Adapter->eActiveDSD != DSD2)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "No DSD is active..hence NVM Command is blocked"); return STATUS_FAILURE; } } /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (copy_from_user(&stNVMReadWrite, (IOCTL_BCM_NVM_READ == cmd) ? IoBuffer.OutputBuffer : IoBuffer.InputBuffer, sizeof(NVM_READWRITE))) return -EFAULT; /* * Deny the access if the offset crosses the cal area limit. */ if ((stNVMReadWrite.uiOffset + stNVMReadWrite.uiNumBytes) > Adapter->uiNVMDSDSize) { /* 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); */ return STATUS_FAILURE; } pReadData = kzalloc(stNVMReadWrite.uiNumBytes, GFP_KERNEL); if (!pReadData) return -ENOMEM; if (copy_from_user(pReadData, stNVMReadWrite.pBuffer, stNVMReadWrite.uiNumBytes)) { kfree(pReadData); return -EFAULT; } do_gettimeofday(&tv0); if (IOCTL_BCM_NVM_READ == cmd) { down(&Adapter->NVMRdmWrmLock); if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n"); up(&Adapter->NVMRdmWrmLock); kfree(pReadData); return -EACCES; } Status = BeceemNVMRead(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes); up(&Adapter->NVMRdmWrmLock); if (Status != STATUS_SUCCESS) { kfree(pReadData); return Status; } if (copy_to_user(stNVMReadWrite.pBuffer, pReadData, stNVMReadWrite.uiNumBytes)) { kfree(pReadData); return -EFAULT; } } else { down(&Adapter->NVMRdmWrmLock); if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n"); up(&Adapter->NVMRdmWrmLock); kfree(pReadData); return -EACCES; } Adapter->bHeaderChangeAllowed = TRUE; if (IsFlash2x(Adapter)) { /* * New Requirement:- * DSD section updation will be allowed in two case:- * 1. if DSD sig is present in DSD header means dongle is ok and updation is fruitfull * 2. if point 1 failes then user buff should have DSD sig. this point ensures that if dongle is * corrupted then user space program first modify the DSD header with valid DSD sig so * that this as well as further write may be worthwhile. * * This restriction has been put assuming that if DSD sig is corrupted, DSD * data won't be considered valid. */ Status = BcmFlash2xCorruptSig(Adapter, Adapter->eActiveDSD); if (Status != STATUS_SUCCESS) { if (((stNVMReadWrite.uiOffset + stNVMReadWrite.uiNumBytes) != Adapter->uiNVMDSDSize) || (stNVMReadWrite.uiNumBytes < SIGNATURE_SIZE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input.."); up(&Adapter->NVMRdmWrmLock); kfree(pReadData); return Status; } ulDSDMagicNumInUsrBuff = ntohl(*(PUINT)(pReadData + stNVMReadWrite.uiNumBytes - SIGNATURE_SIZE)); if (ulDSDMagicNumInUsrBuff != DSD_IMAGE_MAGIC_NUMBER) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "DSD Sig is present neither in Flash nor User provided Input.."); up(&Adapter->NVMRdmWrmLock); kfree(pReadData); return Status; } } } Status = BeceemNVMWrite(Adapter, (PUINT)pReadData, stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes, stNVMReadWrite.bVerify); if (IsFlash2x(Adapter)) BcmFlash2xWriteSig(Adapter, Adapter->eActiveDSD); Adapter->bHeaderChangeAllowed = FALSE; up(&Adapter->NVMRdmWrmLock); if (Status != STATUS_SUCCESS) { kfree(pReadData); return Status; } } do_gettimeofday(&tv1); 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); kfree(pReadData); return STATUS_SUCCESS; } case IOCTL_BCM_FLASH2X_SECTION_READ: { FLASH2X_READWRITE sFlash2xRead = {0}; PUCHAR pReadBuff = NULL ; UINT NOB = 0; UINT BuffSize = 0; UINT ReadBytes = 0; UINT ReadOffset = 0; void __user *OutPutBuff; if (IsFlash2x(Adapter) != TRUE) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map"); return -EINVAL; } BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_READ Called"); if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; /* Reading FLASH 2.x READ structure */ if (copy_from_user(&sFlash2xRead, IoBuffer.InputBuffer, sizeof(FLASH2X_READWRITE))) return -EFAULT; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xRead.Section); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%x", sFlash2xRead.offset); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xRead.numOfBytes); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xRead.bVerify); /* This was internal to driver for raw read. now it has ben exposed to user space app. */ if (validateFlash2xReadWrite(Adapter, &sFlash2xRead) == FALSE) return STATUS_FAILURE; NOB = sFlash2xRead.numOfBytes; if (NOB > Adapter->uiSectorSize) BuffSize = Adapter->uiSectorSize; else BuffSize = NOB; ReadOffset = sFlash2xRead.offset ; OutPutBuff = IoBuffer.OutputBuffer; pReadBuff = (PCHAR)kzalloc(BuffSize , GFP_KERNEL); if (pReadBuff == NULL) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure"); return -ENOMEM; } down(&Adapter->NVMRdmWrmLock); if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n"); up(&Adapter->NVMRdmWrmLock); kfree(pReadBuff); return -EACCES; } while (NOB) { if (NOB > Adapter->uiSectorSize) ReadBytes = Adapter->uiSectorSize; else ReadBytes = NOB; /* Reading the data from Flash 2.x */ Status = BcmFlash2xBulkRead(Adapter, (PUINT)pReadBuff, sFlash2xRead.Section, ReadOffset, ReadBytes); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Flash 2x read err with Status :%d", Status); break; } BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes); Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Copy to use failed with status :%d", Status); up(&Adapter->NVMRdmWrmLock); kfree(pReadBuff); return -EFAULT; } NOB = NOB - ReadBytes; if (NOB) { ReadOffset = ReadOffset + ReadBytes; OutPutBuff = OutPutBuff + ReadBytes ; } } up(&Adapter->NVMRdmWrmLock); kfree(pReadBuff); } break; case IOCTL_BCM_FLASH2X_SECTION_WRITE: { FLASH2X_READWRITE sFlash2xWrite = {0}; PUCHAR pWriteBuff; void __user *InputAddr; UINT NOB = 0; UINT BuffSize = 0; UINT WriteOffset = 0; UINT WriteBytes = 0; if (IsFlash2x(Adapter) != TRUE) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map"); return -EINVAL; } /* First make this False so that we can enable the Sector Permission Check in BeceemFlashBulkWrite */ Adapter->bAllDSDWriteAllow = FALSE; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_FLASH2X_SECTION_WRITE Called"); if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; /* Reading FLASH 2.x READ structure */ if (copy_from_user(&sFlash2xWrite, IoBuffer.InputBuffer, sizeof(FLASH2X_READWRITE))) return -EFAULT; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.Section :%x", sFlash2xWrite.Section); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.offset :%d", sFlash2xWrite.offset); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.numOfBytes :%x", sFlash2xWrite.numOfBytes); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\nsFlash2xRead.bVerify :%x\n", sFlash2xWrite.bVerify); if ((sFlash2xWrite.Section != VSA0) && (sFlash2xWrite.Section != VSA1) && (sFlash2xWrite.Section != VSA2)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Only VSA write is allowed"); return -EINVAL; } if (validateFlash2xReadWrite(Adapter, &sFlash2xWrite) == FALSE) return STATUS_FAILURE; InputAddr = sFlash2xWrite.pDataBuff; WriteOffset = sFlash2xWrite.offset; NOB = sFlash2xWrite.numOfBytes; if (NOB > Adapter->uiSectorSize) BuffSize = Adapter->uiSectorSize; else BuffSize = NOB ; pWriteBuff = kmalloc(BuffSize, GFP_KERNEL); if (pWriteBuff == NULL) return -ENOMEM; /* extracting the remainder of the given offset. */ WriteBytes = Adapter->uiSectorSize; if (WriteOffset % Adapter->uiSectorSize) WriteBytes = Adapter->uiSectorSize - (WriteOffset % Adapter->uiSectorSize); if (NOB < WriteBytes) WriteBytes = NOB; down(&Adapter->NVMRdmWrmLock); if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n"); up(&Adapter->NVMRdmWrmLock); kfree(pWriteBuff); return -EACCES; } BcmFlash2xCorruptSig(Adapter, sFlash2xWrite.Section); do { Status = copy_from_user(pWriteBuff, InputAddr, WriteBytes); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to user failed with status :%d", Status); up(&Adapter->NVMRdmWrmLock); kfree(pWriteBuff); return -EFAULT; } BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pWriteBuff, WriteBytes); /* Writing the data from Flash 2.x */ Status = BcmFlash2xBulkWrite(Adapter, (PUINT)pWriteBuff, sFlash2xWrite.Section, WriteOffset, WriteBytes, sFlash2xWrite.bVerify); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status); break; } NOB = NOB - WriteBytes; if (NOB) { WriteOffset = WriteOffset + WriteBytes; InputAddr = InputAddr + WriteBytes; if (NOB > Adapter->uiSectorSize) WriteBytes = Adapter->uiSectorSize; else WriteBytes = NOB; } } while (NOB > 0); BcmFlash2xWriteSig(Adapter, sFlash2xWrite.Section); up(&Adapter->NVMRdmWrmLock); kfree(pWriteBuff); } break; case IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP: { PFLASH2X_BITMAP psFlash2xBitMap; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_GET_FLASH2X_SECTION_BITMAP Called"); if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.OutputLength != sizeof(FLASH2X_BITMAP)) return -EINVAL; psFlash2xBitMap = kzalloc(sizeof(FLASH2X_BITMAP), GFP_KERNEL); if (psFlash2xBitMap == NULL) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory is not available"); return -ENOMEM; } /* Reading the Flash Sectio Bit map */ down(&Adapter->NVMRdmWrmLock); if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n"); up(&Adapter->NVMRdmWrmLock); kfree(psFlash2xBitMap); return -EACCES; } BcmGetFlash2xSectionalBitMap(Adapter, psFlash2xBitMap); up(&Adapter->NVMRdmWrmLock); if (copy_to_user(IoBuffer.OutputBuffer, psFlash2xBitMap, sizeof(FLASH2X_BITMAP))) { kfree(psFlash2xBitMap); return -EFAULT; } kfree(psFlash2xBitMap); } break; case IOCTL_BCM_SET_ACTIVE_SECTION: { FLASH2X_SECTION_VAL eFlash2xSectionVal = 0; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SET_ACTIVE_SECTION Called"); if (IsFlash2x(Adapter) != TRUE) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map"); return -EINVAL; } Status = copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER)); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed"); return -EFAULT; } Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT)); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed"); return -EFAULT; } down(&Adapter->NVMRdmWrmLock); if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n"); up(&Adapter->NVMRdmWrmLock); return -EACCES; } Status = BcmSetActiveSection(Adapter, eFlash2xSectionVal); if (Status) BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Failed to make it's priority Highest. Status %d", Status); up(&Adapter->NVMRdmWrmLock); } break; case IOCTL_BCM_IDENTIFY_ACTIVE_SECTION: { /* Right Now we are taking care of only DSD */ Adapter->bAllDSDWriteAllow = FALSE; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_IDENTIFY_ACTIVE_SECTION called"); Status = STATUS_SUCCESS; } break; case IOCTL_BCM_COPY_SECTION: { FLASH2X_COPY_SECTION sCopySectStrut = {0}; Status = STATUS_SUCCESS; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_COPY_SECTION Called"); Adapter->bAllDSDWriteAllow = FALSE; if (IsFlash2x(Adapter) != TRUE) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map"); return -EINVAL; } Status = copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER)); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed Status :%d", Status); return -EFAULT; } Status = copy_from_user(&sCopySectStrut, IoBuffer.InputBuffer, sizeof(FLASH2X_COPY_SECTION)); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of Copy_Section_Struct failed with Status :%d", Status); return -EFAULT; } BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source SEction :%x", sCopySectStrut.SrcSection); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Destination SEction :%x", sCopySectStrut.DstSection); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "offset :%x", sCopySectStrut.offset); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "NOB :%x", sCopySectStrut.numOfBytes); if (IsSectionExistInFlash(Adapter, sCopySectStrut.SrcSection) == FALSE) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Source Section<%x> does not exixt in Flash ", sCopySectStrut.SrcSection); return -EINVAL; } if (IsSectionExistInFlash(Adapter, sCopySectStrut.DstSection) == FALSE) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Destinatio Section<%x> does not exixt in Flash ", sCopySectStrut.DstSection); return -EINVAL; } if (sCopySectStrut.SrcSection == sCopySectStrut.DstSection) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Source and Destination section should be different"); return -EINVAL; } down(&Adapter->NVMRdmWrmLock); if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n"); up(&Adapter->NVMRdmWrmLock); return -EACCES; } if (sCopySectStrut.SrcSection == ISO_IMAGE1 || sCopySectStrut.SrcSection == ISO_IMAGE2) { if (IsNonCDLessDevice(Adapter)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Device is Non-CDLess hence won't have ISO !!"); Status = -EINVAL; } else if (sCopySectStrut.numOfBytes == 0) { Status = BcmCopyISO(Adapter, sCopySectStrut); } else { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Partial Copy of ISO section is not Allowed.."); Status = STATUS_FAILURE; } up(&Adapter->NVMRdmWrmLock); return Status; } Status = BcmCopySection(Adapter, sCopySectStrut.SrcSection, sCopySectStrut.DstSection, sCopySectStrut.offset, sCopySectStrut.numOfBytes); up(&Adapter->NVMRdmWrmLock); } break; case IOCTL_BCM_GET_FLASH_CS_INFO: { Status = STATUS_SUCCESS; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, " IOCTL_BCM_GET_FLASH_CS_INFO Called"); Status = copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER)); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed"); return -EFAULT; } if (Adapter->eNVMType != NVM_FLASH) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Connected device does not have flash"); Status = -EINVAL; break; } if (IsFlash2x(Adapter) == TRUE) { if (IoBuffer.OutputLength < sizeof(FLASH2X_CS_INFO)) return -EINVAL; if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlash2xCSInfo, sizeof(FLASH2X_CS_INFO))) return -EFAULT; } else { if (IoBuffer.OutputLength < sizeof(FLASH_CS_INFO)) return -EINVAL; if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlashCSInfo, sizeof(FLASH_CS_INFO))) return -EFAULT; } } break; case IOCTL_BCM_SELECT_DSD: { UINT SectOfset = 0; FLASH2X_SECTION_VAL eFlash2xSectionVal; eFlash2xSectionVal = NO_SECTION_VAL; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_SELECT_DSD Called"); if (IsFlash2x(Adapter) != TRUE) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash Does not have 2.x map"); return -EINVAL; } Status = copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER)); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed"); return -EFAULT; } Status = copy_from_user(&eFlash2xSectionVal, IoBuffer.InputBuffer, sizeof(INT)); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of flash section val failed"); return -EFAULT; } BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Read Section :%d", eFlash2xSectionVal); if ((eFlash2xSectionVal != DSD0) && (eFlash2xSectionVal != DSD1) && (eFlash2xSectionVal != DSD2)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Passed section<%x> is not DSD section", eFlash2xSectionVal); return STATUS_FAILURE; } SectOfset = BcmGetSectionValStartOffset(Adapter, eFlash2xSectionVal); if (SectOfset == INVALID_OFFSET) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Provided Section val <%d> does not exixt in Flash 2.x", eFlash2xSectionVal); return -EINVAL; } Adapter->bAllDSDWriteAllow = TRUE; Adapter->ulFlashCalStart = SectOfset; Adapter->eActiveDSD = eFlash2xSectionVal; } Status = STATUS_SUCCESS; break; case IOCTL_BCM_NVM_RAW_READ: { NVM_READWRITE stNVMRead; INT NOB ; INT BuffSize ; INT ReadOffset = 0; UINT ReadBytes = 0 ; PUCHAR pReadBuff; void __user *OutPutBuff; if (Adapter->eNVMType != NVM_FLASH) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "NVM TYPE is not Flash"); return -EINVAL; } /* Copy Ioctl Buffer structure */ if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy_from_user 1 failed\n"); return -EFAULT; } if (copy_from_user(&stNVMRead, IoBuffer.OutputBuffer, sizeof(NVM_READWRITE))) return -EFAULT; NOB = stNVMRead.uiNumBytes; /* In Raw-Read max Buff size : 64MB */ if (NOB > DEFAULT_BUFF_SIZE) BuffSize = DEFAULT_BUFF_SIZE; else BuffSize = NOB; ReadOffset = stNVMRead.uiOffset; OutPutBuff = stNVMRead.pBuffer; pReadBuff = kzalloc(BuffSize , GFP_KERNEL); if (pReadBuff == NULL) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Memory allocation failed for Flash 2.x Read Structure"); Status = -ENOMEM; break; } down(&Adapter->NVMRdmWrmLock); if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) || (Adapter->bPreparingForLowPowerMode == TRUE)) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Device is in Idle/Shutdown Mode\n"); kfree(pReadBuff); up(&Adapter->NVMRdmWrmLock); return -EACCES; } Adapter->bFlashRawRead = TRUE; while (NOB) { if (NOB > DEFAULT_BUFF_SIZE) ReadBytes = DEFAULT_BUFF_SIZE; else ReadBytes = NOB; /* Reading the data from Flash 2.x */ Status = BeceemNVMRead(Adapter, (PUINT)pReadBuff, ReadOffset, ReadBytes); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Flash 2x read err with Status :%d", Status); break; } BCM_DEBUG_PRINT_BUFFER(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, pReadBuff, ReadBytes); Status = copy_to_user(OutPutBuff, pReadBuff, ReadBytes); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy to use failed with status :%d", Status); up(&Adapter->NVMRdmWrmLock); kfree(pReadBuff); return -EFAULT; } NOB = NOB - ReadBytes; if (NOB) { ReadOffset = ReadOffset + ReadBytes; OutPutBuff = OutPutBuff + ReadBytes; } } Adapter->bFlashRawRead = FALSE; up(&Adapter->NVMRdmWrmLock); kfree(pReadBuff); break; } case IOCTL_BCM_CNTRLMSG_MASK: { ULONG RxCntrlMsgBitMask = 0; /* Copy Ioctl Buffer structure */ Status = copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER)); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of Ioctl buffer is failed from user space"); return -EFAULT; } if (IoBuffer.InputLength != sizeof(unsigned long)) { Status = -EINVAL; break; } Status = copy_from_user(&RxCntrlMsgBitMask, IoBuffer.InputBuffer, IoBuffer.InputLength); if (Status) { BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "copy of control bit mask failed from user space"); return -EFAULT; } BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "\n Got user defined cntrl msg bit mask :%lx", RxCntrlMsgBitMask); pTarang->RxCntrlMsgBitMask = RxCntrlMsgBitMask; } break; case IOCTL_BCM_GET_DEVICE_DRIVER_INFO: { DEVICE_DRIVER_INFO DevInfo; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n"); DevInfo.MaxRDMBufferSize = BUFFER_4K; DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START; DevInfo.u32RxAlignmentCorrection = 0; DevInfo.u32NVMType = Adapter->eNVMType; DevInfo.u32InterfaceType = BCM_USB; if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.OutputLength < sizeof(DevInfo)) return -EINVAL; if (copy_to_user(IoBuffer.OutputBuffer, &DevInfo, sizeof(DevInfo))) return -EFAULT; } break; case IOCTL_BCM_TIME_SINCE_NET_ENTRY: { ST_TIME_ELAPSED stTimeElapsedSinceNetEntry = {0}; BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_BCM_TIME_SINCE_NET_ENTRY called"); if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; if (IoBuffer.OutputLength < sizeof(ST_TIME_ELAPSED)) return -EINVAL; stTimeElapsedSinceNetEntry.ul64TimeElapsedSinceNetEntry = get_seconds() - Adapter->liTimeSinceLastNetEntry; if (copy_to_user(IoBuffer.OutputBuffer, &stTimeElapsedSinceNetEntry, sizeof(ST_TIME_ELAPSED))) return -EFAULT; } break; case IOCTL_CLOSE_NOTIFICATION: BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "IOCTL_CLOSE_NOTIFICATION"); break; default: pr_info(DRV_NAME ": unknown ioctl cmd=%#x\n", cmd); Status = STATUS_FAILURE; break; } return Status; } static const struct file_operations bcm_fops = { .owner = THIS_MODULE, .open = bcm_char_open, .release = bcm_char_release, .read = bcm_char_read, .unlocked_ioctl = bcm_char_ioctl, .llseek = no_llseek, }; int register_control_device_interface(PMINI_ADAPTER Adapter) { if (Adapter->major > 0) return Adapter->major; Adapter->major = register_chrdev(0, DEV_NAME, &bcm_fops); if (Adapter->major < 0) { pr_err(DRV_NAME ": could not created character device\n"); return Adapter->major; } Adapter->pstCreatedClassDevice = device_create(bcm_class, NULL, MKDEV(Adapter->major, 0), Adapter, DEV_NAME); if (IS_ERR(Adapter->pstCreatedClassDevice)) { pr_err(DRV_NAME ": class device create failed\n"); unregister_chrdev(Adapter->major, DEV_NAME); return PTR_ERR(Adapter->pstCreatedClassDevice); } return 0; } void unregister_control_device_interface(PMINI_ADAPTER Adapter) { if (Adapter->major > 0) { device_destroy(bcm_class, MKDEV(Adapter->major, 0)); unregister_chrdev(Adapter->major, DEV_NAME); } }