+static int bcm_char_ioctl_flash2x_section_read(void __user *argp, struct bcm_mini_adapter *Adapter)
+{
+ struct bcm_flash2x_readwrite sFlash2xRead = {0};
+ struct bcm_ioctl_buffer IoBuffer;
+ PUCHAR pReadBuff = NULL;
+ UINT NOB = 0;
+ UINT BuffSize = 0;
+ UINT ReadBytes = 0;
+ UINT ReadOffset = 0;
+ INT Status = STATUS_FAILURE;
+ 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(struct bcm_ioctl_buffer)))
+ return -EFAULT;
+
+ /* Reading FLASH 2.x READ structure */
+ if (copy_from_user(&sFlash2xRead, IoBuffer.InputBuffer, sizeof(struct bcm_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);
+ return Status;
+}
+