Staging: sep: merge the two files

Now we have it trimmed down a bit merge the two pieces so we can clean it up
properly. Code moves but no changes in functions.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3015 insertions, 0 deletions

diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c
new file mode 100644
index 00000000000..60011b7db13
--- /dev/null
+++ b/drivers/staging/sep/sep_driver.c
@@ -0,0 +1,3015 @@
+/*
+ *
+ *  sep_main_mod.c - Security Processor Driver main group of functions
+ *
+ *  Copyright(c) 2009 Intel Corporation. All rights reserved.
+ *  Copyright(c) 2009 Discretix. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ *  more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program; if not, write to the Free Software Foundation, Inc., 59
+ *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ *  CONTACTS:
+ *
+ *  Mark Allyn		mark.a.allyn@intel.com
+ *
+ *  CHANGES:
+ *
+ *  2009.06.26	Initial publish
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/cdev.h>
+#include <linux/kdev_t.h>
+#include <linux/mutex.h>
+#include <linux/mm.h>
+#include <linux/poll.h>
+#include <linux/wait.h>
+#include <linux/pci.h>
+#include <linux/firmware.h>
+#include <asm/ioctl.h>
+#include <linux/ioport.h>
+#include <asm/io.h>
+#include <linux/interrupt.h>
+#include <linux/pagemap.h>
+#include <asm/cacheflush.h>
+#include "sep_driver_hw_defs.h"
+#include "sep_driver_config.h"
+#include "sep_driver_api.h"
+#include "sep_driver_ext_api.h"
+#include "sep_dev.h"
+
+#if SEP_DRIVER_ARM_DEBUG_MODE
+
+#define  CRYS_SEP_ROM_length                  0x4000
+#define  CRYS_SEP_ROM_start_address           0x8000C000UL
+#define  CRYS_SEP_ROM_start_address_offset    0xC000UL
+#define  SEP_ROM_BANK_register                0x80008420UL
+#define  SEP_ROM_BANK_register_offset         0x8420UL
+#define SEP_RAR_IO_MEM_REGION_START_ADDRESS   0x82000000
+
+/*
+ * THESE 2 definitions are specific to the board - must be
+ * defined during integration
+ */
+#define SEP_RAR_IO_MEM_REGION_START_ADDRESS   0xFF0D0000
+
+/* 2M size */
+
+void sep_load_rom_code(void)
+{
+	/* Index variables */
+	unsigned long i, k, j;
+	unsigned long regVal;
+	unsigned long Error;
+	unsigned long warning;
+
+	/* Loading ROM from SEP_ROM_image.h file */
+	k = sizeof(CRYS_SEP_ROM);
+
+	edbg("SEP Driver: DX_CC_TST_SepRomLoader start\n");
+
+	edbg("SEP Driver: k is %lu\n", k);
+	edbg("SEP Driver: sep_dev->reg_base_address is %p\n", sep_dev->reg_base_address);
+	edbg("SEP Driver: CRYS_SEP_ROM_start_address_offset is %p\n", CRYS_SEP_ROM_start_address_offset);
+
+	for (i = 0; i < 4; i++) {
+		/* write bank */
+		sep_write_reg(sep_dev, SEP_ROM_BANK_register_offset, i);
+
+		for (j = 0; j < CRYS_SEP_ROM_length / 4; j++) {
+			sep_write_reg(sep_dev, CRYS_SEP_ROM_start_address_offset + 4 * j, CRYS_SEP_ROM[i * 0x1000 + j]);
+
+			k = k - 4;
+
+			if (k == 0) {
+				j = CRYS_SEP_ROM_length;
+				i = 4;
+			}
+		}
+	}
+
+	/* reset the SEP */
+	sep_write_reg(sep_dev, HW_HOST_SEP_SW_RST_REG_ADDR, 0x1);
+
+	/* poll for SEP ROM boot finish */
+	do {
+		retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR3_REG_ADDR);
+	} while (!regVal);
+
+	edbg("SEP Driver: ROM polling ended\n");
+
+	switch (regVal) {
+	case 0x1:
+		/* fatal error - read erro status from GPRO */
+		Error = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+		edbg("SEP Driver: ROM polling case 1\n");
+		break;
+	case 0x2:
+		/* Boot First Phase ended  */
+		warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+		edbg("SEP Driver: ROM polling case 2\n");
+		break;
+	case 0x4:
+		/* Cold boot ended successfully  */
+		warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+		edbg("SEP Driver: ROM polling case 4\n");
+		Error = 0;
+		break;
+	case 0x8:
+		/* Warmboot ended successfully */
+		warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+		edbg("SEP Driver: ROM polling case 8\n");
+		Error = 0;
+		break;
+	case 0x10:
+		/* ColdWarm boot ended successfully */
+		warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+		edbg("SEP Driver: ROM polling case 16\n");
+		Error = 0;
+		break;
+	case 0x20:
+		edbg("SEP Driver: ROM polling case 32\n");
+		break;
+	}
+
+}
+
+#else
+void sep_load_rom_code(void) { }
+#endif				/* SEP_DRIVER_ARM_DEBUG_MODE */
+
+
+
+/*----------------------------------------
+	DEFINES
+-----------------------------------------*/
+
+#define INT_MODULE_PARM(n, v) int n = v; module_param(n, int, 0)
+#define BASE_ADDRESS_FOR_SYSTEM 0xfffc0000
+#define SEP_RAR_IO_MEM_REGION_SIZE 0x40000
+
+/*--------------------------------------------
+	GLOBAL variables
+--------------------------------------------*/
+
+/* debug messages level */
+INT_MODULE_PARM(sepDebug, 0x0);
+MODULE_PARM_DESC(sepDebug, "Flag to enable SEP debug messages");
+
+/* Keep this a single static object for now to keep the conversion easy */
+
+static struct sep_device sep_instance;
+struct sep_device *sep_dev = &sep_instance;
+
+/* temporary */
+unsigned long jiffies_future;
+
+
+/*
+  mutex for the access to the internals of the sep driver
+*/
+static DEFINE_MUTEX(sep_mutex);
+
+
+/* wait queue head (event) of the driver */
+static DECLARE_WAIT_QUEUE_HEAD(g_sep_event);
+
+
+
+/*------------------------------------------------
+  PROTOTYPES
+---------------------------------------------------*/
+
+/*
+  interrupt handler function
+*/
+irqreturn_t sep_inthandler(int irq, void *dev_id);
+
+/*
+  this function registers the driver to the file system
+*/
+static int sep_register_driver_to_fs(void);
+
+/*
+  this function unregisters driver from fs
+*/
+static void sep_unregister_driver_from_fs(void);
+
+/*
+  this function calculates the size of data that can be inserted into the lli
+  table from this array the condition is that either the table is full
+  (all etnries are entered), or there are no more entries in the lli array
+*/
+static unsigned long sep_calculate_lli_table_max_size(struct sep_lli_entry_t *lli_in_array_ptr, unsigned long num_array_entries);
+/*
+  this functions builds ont lli table from the lli_array according to the
+  given size of data
+*/
+static void sep_build_lli_table(struct sep_lli_entry_t *lli_array_ptr, struct sep_lli_entry_t *lli_table_ptr, unsigned long *num_processed_entries_ptr, unsigned long *num_table_entries_ptr, unsigned long table_data_size);
+
+/*
+  this function goes over the list of the print created tables and prints
+  all the data
+*/
+static void sep_debug_print_lli_tables(struct sep_lli_entry_t *lli_table_ptr, unsigned long num_table_entries, unsigned long table_data_size);
+
+
+
+/*
+  This function raises interrupt to SEPm that signals that is has a new
+  command from HOST
+*/
+static void sep_send_command_handler(void);
+
+
+/*
+  This function raises interrupt to SEP that signals that is has a
+  new reply from HOST
+*/
+static void sep_send_reply_command_handler(void);
+
+/*
+  This function handles the allocate data pool memory request
+  This function returns calculates the physical address of the allocated memory
+  and the offset of this area from the mapped address. Therefore, the FVOs in
+  user space can calculate the exact virtual address of this allocated memory
+*/
+static int sep_allocate_data_pool_memory_handler(unsigned long arg);
+
+
+/*
+  This function  handles write into allocated data pool command
+*/
+static int sep_write_into_data_pool_handler(unsigned long arg);
+
+/*
+  this function handles the read from data pool command
+*/
+static int sep_read_from_data_pool_handler(unsigned long arg);
+
+/*
+  this function handles tha request for creation of the DMA table
+  for the synchronic symmetric operations (AES,DES)
+*/
+static int sep_create_sync_dma_tables_handler(unsigned long arg);
+
+/*
+  this function handles the request to create the DMA tables for flow
+*/
+static int sep_create_flow_dma_tables_handler(unsigned long arg);
+
+/*
+  This API handles the end transaction request
+*/
+static int sep_end_transaction_handler(unsigned long arg);
+
+
+/*
+  this function handles add tables to flow
+*/
+static int sep_add_flow_tables_handler(unsigned long arg);
+
+/*
+  this function add the flow add message to the specific flow
+*/
+static int sep_add_flow_tables_message_handler(unsigned long arg);
+
+/*
+  this function handles the request for SEP start
+*/
+static int sep_start_handler(void);
+
+/*
+  this function handles the request for SEP initialization
+*/
+static int sep_init_handler(unsigned long arg);
+
+/*
+  this function handles the request cache and resident reallocation
+*/
+static int sep_realloc_cache_resident_handler(unsigned long arg);
+
+
+/*
+  This api handles the setting of API mode to blocking or non-blocking
+*/
+static int sep_set_api_mode_handler(unsigned long arg);
+
+/* handler for flow done interrupt */
+static void sep_flow_done_handler(struct work_struct *work);
+
+/*
+  This function locks all the physical pages of the kernel virtual buffer
+  and construct a basic lli  array, where each entry holds the physical
+  page address and the size that application data holds in this physical pages
+*/
+static int sep_lock_kernel_pages(unsigned long kernel_virt_addr, unsigned long data_size, unsigned long *num_pages_ptr, struct sep_lli_entry_t **lli_array_ptr, struct page ***page_array_ptr);
+
+/*
+  This function creates one DMA table for flow and returns its data,
+  and pointer to its info entry
+*/
+static int sep_prepare_one_flow_dma_table(unsigned long virt_buff_addr, unsigned long virt_buff_size, struct sep_lli_entry_t *table_data, struct sep_lli_entry_t **info_entry_ptr, struct sep_flow_context_t *flow_data_ptr, bool isKernelVirtualAddress);
+
+/*
+  This function creates a list of tables for flow and returns the data for the
+  first and last tables of the list
+*/
+static int sep_prepare_flow_dma_tables(unsigned long num_virtual_buffers,
+				       unsigned long first_buff_addr, struct sep_flow_context_t *flow_data_ptr, struct sep_lli_entry_t *first_table_data_ptr, struct sep_lli_entry_t *last_table_data_ptr, bool isKernelVirtualAddress);
+
+/*
+  this function find a space for the new flow dma table
+*/
+static int sep_find_free_flow_dma_table_space(unsigned long **table_address_ptr);
+
+/*
+  this function goes over all the flow tables connected to the given table and
+  deallocate them
+*/
+static void sep_deallocated_flow_tables(struct sep_lli_entry_t *first_table_ptr);
+
+/*
+  This function handler the set flow id command
+*/
+static int sep_set_flow_id_handler(unsigned long arg);
+
+/*
+  This function returns pointer to the  flow data structure
+  that conatins the given id
+*/
+static int sep_find_flow_context(unsigned long flow_id, struct sep_flow_context_t **flow_data_ptr);
+
+
+/*
+  this function returns the physical and virtual addresses of the static pool
+*/
+static int sep_get_static_pool_addr_handler(unsigned long arg);
+
+/*
+  this address gets the offset of the physical address from the start of
+  the mapped area
+*/
+static int sep_get_physical_mapped_offset_handler(unsigned long arg);
+
+
+/*
+  this function handles the request for get time
+*/
+static int sep_get_time_handler(unsigned long arg);
+
+/*
+  calculates time and sets it at the predefined address
+*/
+static int sep_set_time(unsigned long *address_ptr, unsigned long *time_in_sec_ptr);
+
+/*
+  PATCH for configuring the DMA to single burst instead of multi-burst
+*/
+static void sep_configure_dma_burst(void);
+
+/*
+	This function locks all the physical pages of the
+	application virtual buffer and construct a basic lli
+	array, where each entry holds the physical page address
+	and the size that application data holds in this physical pages
+*/
+static int sep_lock_user_pages(unsigned long app_virt_addr, unsigned long data_size, unsigned long *num_pages_ptr, struct sep_lli_entry_t **lli_array_ptr, struct page ***page_array_ptr);
+
+/*---------------------------------------------
+	FUNCTIONS
+-----------------------------------------------*/
+
+/*
+  This functions locks the area of the resisnd and cache sep code
+*/
+void sep_lock_cache_resident_area(void)
+{
+	return;
+}
+
+/*
+  This functions copies the cache and resident from their source location into
+  destination memory, which is external to Linux VM and is given as
+   physical address
+*/
+int sep_copy_cache_resident_to_area(unsigned long src_cache_addr, unsigned long cache_size_in_bytes, unsigned long src_resident_addr, unsigned long resident_size_in_bytes, unsigned long *dst_new_cache_addr_ptr, unsigned long *dst_new_resident_addr_ptr)
+{
+	unsigned long resident_addr;
+	unsigned long cache_addr;
+	const struct firmware *fw;
+
+	char *cache_name = "cache.image.bin";
+	char *res_name = "resident.image.bin";
+
+	/* error */
+	int error;
+
+	/*--------------------------------
+	    CODE
+	-------------------------------------*/
+	error = 0;
+
+	edbg("SEP Driver:rar_virtual is %p\n", sep_dev->rar_virtual_address);
+	edbg("SEP Driver:rar_physical is %08lx\n", sep_dev->rar_physical_address);
+
+	sep_dev->rar_region_addr = (unsigned long) sep_dev->rar_virtual_address;
+
+	sep_dev->cache_physical_address = sep_dev->rar_physical_address;
+	sep_dev->cache_virtual_address = sep_dev->rar_virtual_address;
+
+	/* load cache */
+	error = request_firmware(&fw, cache_name, &sep_dev->sep_pci_dev_ptr->dev);
+	if (error) {
+		edbg("SEP Driver:cant request cache fw\n");
+		goto end_function;
+	}
+
+	edbg("SEP Driver:cache data loc is %p\n", (void *) fw->data);
+	edbg("SEP Driver:cache data size is %08Zx\n", fw->size);
+
+	memcpy((void *) sep_dev->cache_virtual_address, (void *) fw->data, fw->size);
+
+	sep_dev->cache_size = fw->size;
+
+	cache_addr = (unsigned long) sep_dev->cache_virtual_address;
+
+	release_firmware(fw);
+
+	sep_dev->resident_physical_address = sep_dev->cache_physical_address + sep_dev->cache_size;
+	sep_dev->resident_virtual_address = sep_dev->cache_virtual_address + sep_dev->cache_size;
+
+	/* load resident */
+	error = request_firmware(&fw, res_name, &sep_dev->sep_pci_dev_ptr->dev);
+	if (error) {
+		edbg("SEP Driver:cant request res fw\n");
+		goto end_function;
+	}
+
+	edbg("SEP Driver:res data loc is %p\n", (void *) fw->data);
+	edbg("SEP Driver:res data size is %08Zx\n", fw->size);
+
+	memcpy((void *) sep_dev->resident_virtual_address, (void *) fw->data, fw->size);
+
+	sep_dev->resident_size = fw->size;
+
+	release_firmware(fw);
+
+	resident_addr = (unsigned long) sep_dev->resident_virtual_address;
+
+	edbg("SEP Driver:resident_addr (physical )is %08lx\n", sep_dev->resident_physical_address);
+	edbg("SEP Driver:cache_addr (physical) is %08lx\n", sep_dev->cache_physical_address);
+
+	edbg("SEP Driver:resident_addr (logical )is %08lx\n", resident_addr);
+	edbg("SEP Driver:cache_addr (logical) is %08lx\n", cache_addr);
+
+	edbg("SEP Driver:resident_size is %08lx\n", sep_dev->resident_size);
+	edbg("SEP Driver:cache_size is %08lx\n", sep_dev->cache_size);
+
+
+
+	/* physical addresses */
+	*dst_new_cache_addr_ptr = sep_dev->cache_physical_address;
+	*dst_new_resident_addr_ptr = sep_dev->resident_physical_address;
+end_function:
+	return error;
+}
+
+/*
+  This functions maps and allocates the
+  shared area on the  external RAM (device)
+  The input is shared_area_size - the size of the memory to
+  allocate. The outputs
+  are kernel_shared_area_addr_ptr - the kerenl
+  address of the mapped and allocated
+  shared area, and phys_shared_area_addr_ptr
+  - the physical address of the shared area
+*/
+int sep_map_and_alloc_shared_area(unsigned long shared_area_size, unsigned long *kernel_shared_area_addr_ptr, unsigned long *phys_shared_area_addr_ptr)
+{
+	// shared_virtual_address = ioremap_nocache(0xda00000,shared_area_size);
+	sep_dev->shared_virtual_address = kmalloc(shared_area_size, GFP_KERNEL);
+	if (!sep_dev->shared_virtual_address) {
+		edbg("sep_driver:shared memory kmalloc failed\n");
+		return -1;
+	}
+	/* FIXME */
+	sep_dev->shared_physical_address = __pa(sep_dev->shared_virtual_address);
+	/* shared_physical_address = 0xda00000; */
+	*kernel_shared_area_addr_ptr = (unsigned long) sep_dev->shared_virtual_address;
+	/* set the physical address of the shared area */
+	*phys_shared_area_addr_ptr = sep_dev->shared_physical_address;
+	edbg("SEP Driver:shared_virtual_address is %p\n", sep_dev->shared_virtual_address);
+	edbg("SEP Driver:shared_region_size is %08lx\n", shared_area_size);
+	edbg("SEP Driver:shared_physical_addr is %08lx\n", *phys_shared_area_addr_ptr);
+
+	return 0;
+}
+
+/*
+  This functions unmaps and deallocates the shared area
+  on the  external RAM (device)
+  The input is shared_area_size - the size of the memory to deallocate,kernel_
+  shared_area_addr_ptr - the kernel address of the mapped and allocated
+  shared area,phys_shared_area_addr_ptr - the physical address of
+  the shared area
+*/
+void sep_unmap_and_free_shared_area(unsigned long shared_area_size, unsigned long kernel_shared_area_addr, unsigned long phys_shared_area_addr)
+{
+	kfree((void *) kernel_shared_area_addr);
+}
+
+/*
+  This functions returns the physical address inside shared area according
+  to the virtual address. It can be either on the externa RAM device
+  (ioremapped), or on the system RAM
+  This implementation is for the external RAM
+*/
+unsigned long sep_shared_area_virt_to_phys(unsigned long virt_address)
+{
+	edbg("SEP Driver:sh virt to phys v %08lx\n", virt_address);
+	edbg("SEP Driver:sh virt to phys p %08lx\n", sep_dev->shared_physical_address + (virt_address - (unsigned long) sep_dev->shared_virtual_address));
+
+	return (unsigned long) sep_dev->shared_physical_address + (virt_address - (unsigned long) sep_dev->shared_virtual_address);
+}
+
+/*
+  This functions returns the virtual address inside shared area
+  according to the physical address. It can be either on the
+  externa RAM device (ioremapped), or on the system RAM This implementation
+  is for the external RAM
+*/
+unsigned long sep_shared_area_phys_to_virt(unsigned long phys_address)
+{
+	return (unsigned long) sep_dev->shared_virtual_address + (phys_address - sep_dev->shared_physical_address);
+}
+
+
+/*
+  this function returns the address of the message shared area
+*/
+void sep_map_shared_area(unsigned long *mappedAddr_ptr)
+{
+	*mappedAddr_ptr = sep_dev->shared_area_addr;
+}
+
+/*
+  this function returns the address of the message shared area
+*/
+void sep_send_msg_rdy_cmd()
+{
+	sep_send_command_handler();
+}
+
+/* this functions frees all the resources that were allocated for the building
+of the LLI DMA tables */
+void sep_free_dma_resources()
+{
+	sep_free_dma_table_data_handler();
+}
+
+/* poll(suspend), until reply from sep */
+void sep_driver_poll()
+{
+	unsigned long retVal = 0;
+
+#ifdef SEP_DRIVER_POLLING_MODE
+
+	while (sep_dev->host_to_sep_send_counter != (retVal & 0x7FFFFFFF))
+		retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR2_REG_ADDR);
+
+	sep_dev->sep_to_host_reply_counter++;
+#else
+	/* poll, until reply from sep */
+	wait_event(g_sep_event, (sep_dev->host_to_sep_send_counter == sep_dev->sep_to_host_reply_counter));
+
+#endif
+}
+
+/*----------------------------------------------------------------------
+  open function of the character driver - must only lock the mutex
+	must also release the memory data pool allocations
+------------------------------------------------------------------------*/
+static int sep_open(struct inode *inode_ptr, struct file *file_ptr)
+{
+	int error;
+
+	dbg("SEP Driver:--------> open start\n");
+
+	error = 0;
+
+	/* check the blocking mode */
+	if (sep_dev->block_mode_flag)
+		/* lock mutex */
+		mutex_lock(&sep_mutex);
+	else
+		error = mutex_trylock(&sep_mutex);
+
+	/* check the error */
+	if (error) {
+		edbg("SEP Driver: down_interruptible failed\n");
+
+		goto end_function;
+	}
+
+	/* release data pool allocations */
+	sep_dev->data_pool_bytes_allocated = 0;
+
+end_function:
+	dbg("SEP Driver:<-------- open end\n");
+	return error;
+}
+
+
+
+
+/*------------------------------------------------------------
+	release function
+-------------------------------------------------------------*/
+static int sep_release(struct inode *inode_ptr, struct file *file_ptr)
+{
+	dbg("----------->SEP Driver: sep_release start\n");
+
+#if 0				/*!SEP_DRIVER_POLLING_MODE */
+	/* close IMR */
+	sep_write_reg(sep_dev, HW_HOST_IMR_REG_ADDR, 0x7FFF);
+
+	/* release IRQ line */
+	free_irq(SEP_DIRVER_IRQ_NUM, &sep_dev->reg_base_address);
+
+#endif
+
+	/* unlock the sep mutex */
+	mutex_unlock(&sep_mutex);
+
+	dbg("SEP Driver:<-------- sep_release end\n");
+
+	return 0;
+}
+
+
+
+
+/*---------------------------------------------------------------
+  map function - this functions maps the message shared area
+-----------------------------------------------------------------*/
+static int sep_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	unsigned long phys_addr;
+
+	dbg("-------->SEP Driver: mmap start\n");
+
+	/* check that the size of the mapped range is as the size of the message
+	   shared area */
+	if ((vma->vm_end - vma->vm_start) > SEP_DRIVER_MMMAP_AREA_SIZE) {
+		edbg("SEP Driver mmap requested size is more than allowed\n");
+		printk(KERN_WARNING "SEP Driver mmap requested size is more \
+			than allowed\n");
+		printk(KERN_WARNING "SEP Driver vma->vm_end is %08lx\n", vma->vm_end);
+		printk(KERN_WARNING "SEP Driver vma->vm_end is %08lx\n", vma->vm_start);
+		return -EAGAIN;
+	}
+
+	edbg("SEP Driver:g_message_shared_area_addr is %08lx\n", sep_dev->message_shared_area_addr);
+
+	/* get physical address */
+	phys_addr = sep_dev->phys_shared_area_addr;
+
+	edbg("SEP Driver: phys_addr is %08lx\n", phys_addr);
+
+	if (remap_pfn_range(vma, vma->vm_start, phys_addr >> PAGE_SHIFT, vma->vm_end - vma->vm_start, vma->vm_page_prot)) {
+		edbg("SEP Driver remap_page_range failed\n");
+		printk(KERN_WARNING "SEP Driver remap_page_range failed\n");
+		return -EAGAIN;
+	}
+
+	dbg("SEP Driver:<-------- mmap end\n");
+
+	return 0;
+}
+
+
+/*-----------------------------------------------
+  poll function
+*----------------------------------------------*/
+static unsigned int sep_poll(struct file *filp, poll_table * wait)
+{
+	unsigned long count;
+	unsigned int mask = 0;
+	unsigned long retVal = 0;	/* flow id */
+
+	dbg("---------->SEP Driver poll: start\n");
+
+
+#if SEP_DRIVER_POLLING_MODE
+
+	while (sep_dev->host_to_sep_send_counter != (retVal & 0x7FFFFFFF)) {
+		retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR2_REG_ADDR);
+
+		for (count = 0; count < 10 * 4; count += 4)
+			edbg("Poll Debug Word %lu of the message is %lu\n", count, *((unsigned long *) (sep_dev->shared_area_addr + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES + count)));
+	}
+
+	sep_dev->sep_to_host_reply_counter++;
+#else
+	/* add the event to the polling wait table */
+	poll_wait(filp, &g_sep_event, wait);
+
+#endif
+
+	edbg("sep_dev->host_to_sep_send_counter is %lu\n", sep_dev->host_to_sep_send_counter);
+	edbg("sep_dev->sep_to_host_reply_counter is %lu\n", sep_dev->sep_to_host_reply_counter);
+
+	/* check if the data is ready */
+	if (sep_dev->host_to_sep_send_counter == sep_dev->sep_to_host_reply_counter) {
+		for (count = 0; count < 12 * 4; count += 4)
+			edbg("Sep Mesg Word %lu of the message is %lu\n", count, *((unsigned long *) (sep_dev->shared_area_addr + count)));
+
+		for (count = 0; count < 10 * 4; count += 4)
+			edbg("Debug Data Word %lu of the message is %lu\n", count, *((unsigned long *) (sep_dev->shared_area_addr + 0x1800 + count)));
+
+		retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR2_REG_ADDR);
+		edbg("retVal is %lu\n", retVal);
+		/* check if the this is sep reply or request */
+		if (retVal >> 31) {
+			edbg("SEP Driver: sep request in\n");
+			/* request */
+			mask |= POLLOUT | POLLWRNORM;
+		} else {
+			edbg("SEP Driver: sep reply in\n");
+			mask |= POLLIN | POLLRDNORM;
+		}
+	}
+	dbg("SEP Driver:<-------- poll exit\n");
+	return mask;
+}
+
+
+static int sep_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
+{
+	int error = 0;
+
+	dbg("------------>SEP Driver: ioctl start\n");
+
+	edbg("SEP Driver: cmd is %x\n", cmd);
+
+	/* check that the command is for sep device */
+	if (_IOC_TYPE(cmd) != SEP_IOC_MAGIC_NUMBER)
+		error = -ENOTTY;
+
+	switch (cmd) {
+	case SEP_IOCSENDSEPCOMMAND:
+		/* send command to SEP */
+		sep_send_command_handler();
+		edbg("SEP Driver: after sep_send_command_handler\n");
+		break;
+	case SEP_IOCSENDSEPRPLYCOMMAND:
+		/* send reply command to SEP */
+		sep_send_reply_command_handler();
+		break;
+	case SEP_IOCALLOCDATAPOLL:
+		/* allocate data pool */
+		error = sep_allocate_data_pool_memory_handler(arg);
+		break;
+	case SEP_IOCWRITEDATAPOLL:
+		/* write data into memory pool */
+		error = sep_write_into_data_pool_handler(arg);
+		break;
+	case SEP_IOCREADDATAPOLL:
+		/* read data from data pool into application memory */
+		error = sep_read_from_data_pool_handler(arg);
+		break;
+	case SEP_IOCCREATESYMDMATABLE:
+		/* create dma table for synhronic operation */
+		error = sep_create_sync_dma_tables_handler(arg);
+		break;
+	case SEP_IOCCREATEFLOWDMATABLE:
+		/* create flow dma tables */
+		error = sep_create_flow_dma_tables_handler(arg);
+		break;
+	case SEP_IOCFREEDMATABLEDATA:
+		/* free the pages */
+		error = sep_free_dma_table_data_handler();
+		break;
+	case SEP_IOCSETFLOWID:
+		/* set flow id */
+		error = sep_set_flow_id_handler(arg);
+		break;
+	case SEP_IOCADDFLOWTABLE:
+		/* add tables to the dynamic flow */
+		error = sep_add_flow_tables_handler(arg);
+		break;
+	case SEP_IOCADDFLOWMESSAGE:
+		/* add message of add tables to flow */
+		error = sep_add_flow_tables_message_handler(arg);
+		break;
+	case SEP_IOCSEPSTART:
+		/* start command to sep */
+		error = sep_start_handler();
+		break;
+	case SEP_IOCSEPINIT:
+		/* init command to sep */
+		error = sep_init_handler(arg);
+		break;
+	case SEP_IOCSETAPIMODE:
+		/* set non- blocking mode */
+		error = sep_set_api_mode_handler(arg);
+		break;
+	case SEP_IOCGETSTATICPOOLADDR:
+		/* get the physical and virtual addresses of the static pool */
+		error = sep_get_static_pool_addr_handler(arg);
+		break;
+	case SEP_IOCENDTRANSACTION:
+		error = sep_end_transaction_handler(arg);
+		break;
+	case SEP_IOCREALLOCCACHERES:
+		error = sep_realloc_cache_resident_handler(arg);
+		break;
+	case SEP_IOCGETMAPPEDADDROFFSET:
+		error = sep_get_physical_mapped_offset_handler(arg);
+		break;
+	case SEP_IOCGETIME:
+		error = sep_get_time_handler(arg);
+		break;
+	default:
+		error = -ENOTTY;
+		break;
+	}
+	dbg("SEP Driver:<-------- ioctl end\n");
+	return error;
+}
+
+
+
+/*
+  interrupt handler function
+*/
+irqreturn_t sep_inthandler(int irq, void *dev_id)
+{
+	irqreturn_t int_error;
+	unsigned long error;
+	unsigned long reg_val;
+	unsigned long flow_id;
+	struct sep_flow_context_t *flow_context_ptr;
+
+	int_error = IRQ_HANDLED;
+
+	/* read the IRR register to check if this is SEP interrupt */
+	reg_val = sep_read_reg(sep_dev, HW_HOST_IRR_REG_ADDR);
+	edbg("SEP Interrupt - reg is %08lx\n", reg_val);
+
+	/* check if this is the flow interrupt */
+	if (0 /*reg_val & (0x1 << 11) */ ) {
+		/* read GPRO to find out the which flow is done */
+		flow_id = sep_read_reg(sep_dev, HW_HOST_IRR_REG_ADDR);
+
+		/* find the contex of the flow */
+		error = sep_find_flow_context(flow_id >> 28, &flow_context_ptr);
+		if (error)
+			goto end_function_with_error;
+
+		INIT_WORK(&flow_context_ptr->flow_wq, sep_flow_done_handler);
+
+		/* queue the work */
+		queue_work(sep_dev->flow_wq_ptr, &flow_context_ptr->flow_wq);
+
+	} else {
+		/* check if this is reply interrupt from SEP */
+		if (reg_val & (0x1 << 13)) {
+			/* update the counter of reply messages */
+			sep_dev->sep_to_host_reply_counter++;
+
+			/* wake up the waiting process */
+			wake_up(&g_sep_event);
+		} else {
+			int_error = IRQ_NONE;
+			goto end_function;
+		}
+	}
+end_function_with_error:
+	/* clear the interrupt */
+	sep_write_reg(sep_dev, HW_HOST_ICR_REG_ADDR, reg_val);
+end_function:
+	return int_error;
+}
+
+
+/*
+  This function prepares only input DMA table for synhronic symmetric
+  operations (HASH)
+*/
+int sep_prepare_input_dma_table(unsigned long app_virt_addr, unsigned long data_size, unsigned long block_size, unsigned long *lli_table_ptr, unsigned long *num_entries_ptr, unsigned long *table_data_size_ptr, bool isKernelVirtualAddress)
+{
+	/* pointer to the info entry of the table - the last entry */
+	struct sep_lli_entry_t *info_entry_ptr;
+	/* array of pointers ot page */
+	struct sep_lli_entry_t *lli_array_ptr;
+	/* points to the first entry to be processed in the lli_in_array */
+	unsigned long current_entry;
+	/* num entries in the virtual buffer */
+	unsigned long sep_lli_entries;
+	/* lli table pointer */
+	struct sep_lli_entry_t *in_lli_table_ptr;
+	/* the total data in one table */
+	unsigned long table_data_size;
+	/* number of entries in lli table */
+	unsigned long num_entries_in_table;
+	/* next table address */
+	unsigned long lli_table_alloc_addr;
+	unsigned long result;
+
+	dbg("SEP Driver:--------> sep_prepare_input_dma_table start\n");
+
+	edbg("SEP Driver:data_size is %lu\n", data_size);
+	edbg("SEP Driver:block_size is %lu\n", block_size);
+
+	/* initialize the pages pointers */
+	sep_dev->in_page_array = 0;
+	sep_dev->in_num_pages = 0;
+
+	if (data_size == 0) {
+		/* special case  - created 2 entries table with zero data */
+		in_lli_table_ptr = (struct sep_lli_entry_t *) (sep_dev->shared_area_addr + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES);
+		in_lli_table_ptr->physical_address = sep_dev->shared_area_addr + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+		in_lli_table_ptr->block_size = 0;
+
+		in_lli_table_ptr++;
+		in_lli_table_ptr->physical_address = 0xFFFFFFFF;
+		in_lli_table_ptr->block_size = 0;
+
+		*lli_table_ptr = sep_dev->phys_shared_area_addr + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+		*num_entries_ptr = 2;
+		*table_data_size_ptr = 0;
+
+		goto end_function;
+	}
+
+	/* check if the pages are in Kernel Virtual Address layout */
+	if (isKernelVirtualAddress == true)
+		/* lock the pages of the kernel buffer and translate them to pages */
+		result = sep_lock_kernel_pages(app_virt_addr, data_size, &sep_dev->in_num_pages, &lli_array_ptr, &sep_dev->in_page_array);
+	else
+		/* lock the pages of the user buffer and translate them to pages */
+		result = sep_lock_user_pages(app_virt_addr, data_size, &sep_dev->in_num_pages, &lli_array_ptr, &sep_dev->in_page_array);
+
+	if (result)
+		return result;
+
+	edbg("SEP Driver:output sep_dev->in_num_pages is %lu\n", sep_dev->in_num_pages);
+
+	current_entry = 0;
+	info_entry_ptr = 0;
+	sep_lli_entries = sep_dev->in_num_pages;
+
+	/* initiate to point after the message area */
+	lli_table_alloc_addr = sep_dev->shared_area_addr + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+
+	/* loop till all the entries in in array are not processed */
+	while (current_entry < sep_lli_entries) {
+		/* set the new input and output tables */
+		in_lli_table_ptr = (struct sep_lli_entry_t *) lli_table_alloc_addr;
+
+		lli_table_alloc_addr += sizeof(struct sep_lli_entry_t) * SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP;
+
+		/* calculate the maximum size of data for input table */
+		table_data_size = sep_calculate_lli_table_max_size(&lli_array_ptr[current_entry], (sep_lli_entries - current_entry));
+
+		/* now calculate the table size so that it will be module block size */
+		table_data_size = (table_data_size / block_size) * block_size;
+
+		edbg("SEP Driver:output table_data_size is %lu\n", table_data_size);
+
+		/* construct input lli table */
+		sep_build_lli_table(&lli_array_ptr[current_entry], in_lli_table_ptr, &current_entry, &num_entries_in_table, table_data_size);
+
+		if (info_entry_ptr == 0) {
+			/* set the output parameters to physical addresses */
+			*lli_table_ptr = sep_shared_area_virt_to_phys((unsigned long) in_lli_table_ptr);
+			*num_entries_ptr = num_entries_in_table;
+			*table_data_size_ptr = table_data_size;
+
+			edbg("SEP Driver:output lli_table_in_ptr is %08lx\n", *lli_table_ptr);
+		} else {
+			/* update the info entry of the previous in table */
+			info_entry_ptr->physical_address = sep_shared_area_virt_to_phys((unsigned long) in_lli_table_ptr);
+			info_entry_ptr->block_size = ((num_entries_in_table) << 24) | (table_data_size);
+		}
+
+		/* save the pointer to the info entry of the current tables */
+		info_entry_ptr = in_lli_table_ptr + num_entries_in_table - 1;
+	}
+
+	/* print input tables */
+	sep_debug_print_lli_tables((struct sep_lli_entry_t *)
+				   sep_shared_area_phys_to_virt(*lli_table_ptr), *num_entries_ptr, *table_data_size_ptr);
+
+	/* the array of the pages */
+	kfree(lli_array_ptr);
+end_function:
+	dbg("SEP Driver:<-------- sep_prepare_input_dma_table end\n");
+	return 0;
+
+}
+
+/*
+  This function builds input and output DMA tables for synhronic
+  symmetric operations (AES, DES). It also checks that each table
+  is of the modular block size
+*/
+int sep_prepare_input_output_dma_table(unsigned long app_virt_in_addr,
+				       unsigned long app_virt_out_addr,
+				       unsigned long data_size,
+				       unsigned long block_size,
+				       unsigned long *lli_table_in_ptr, unsigned long *lli_table_out_ptr, unsigned long *in_num_entries_ptr, unsigned long *out_num_entries_ptr, unsigned long *table_data_size_ptr, bool isKernelVirtualAddress)
+{
+	/* array of pointers of page */
+	struct sep_lli_entry_t *lli_in_array;
+	/* array of pointers of page */
+	struct sep_lli_entry_t *lli_out_array;
+	int result = 0;
+
+	dbg("SEP Driver:--------> sep_prepare_input_output_dma_table start\n");
+
+	/* initialize the pages pointers */
+	sep_dev->in_page_array = 0;
+	sep_dev->out_page_array = 0;
+
+	/* check if the pages are in Kernel Virtual Address layout */
+	if (isKernelVirtualAddress == true) {
+		/* lock the pages of the kernel buffer and translate them to pages */
+		result = sep_lock_kernel_pages(app_virt_in_addr, data_size, &sep_dev->in_num_pages, &lli_in_array, &sep_dev->in_page_array);
+		if (result) {
+			edbg("SEP Driver: sep_lock_kernel_pages for input virtual buffer failed\n");
+			goto end_function;
+		}
+	} else {
+		/* lock the pages of the user buffer and translate them to pages */
+		result = sep_lock_user_pages(app_virt_in_addr, data_size, &sep_dev->in_num_pages, &lli_in_array, &sep_dev->in_page_array);
+		if (result) {
+			edbg("SEP Driver: sep_lock_user_pages for input virtual buffer failed\n");
+			goto end_function;
+		}
+	}
+
+	if (isKernelVirtualAddress == true) {
+		result = sep_lock_kernel_pages(app_virt_out_addr, data_size, &sep_dev->out_num_pages, &lli_out_array, &sep_dev->out_page_array);
+		if (result) {
+			edbg("SEP Driver: sep_lock_kernel_pages for output virtual buffer failed\n");
+			goto end_function_with_error1;
+		}
+	} else {
+		result = sep_lock_user_pages(app_virt_out_addr, data_size, &sep_dev->out_num_pages, &lli_out_array, &sep_dev->out_page_array);
+		if (result) {
+			edbg("SEP Driver: sep_lock_user_pages for output virtual buffer failed\n");
+			goto end_function_with_error1;
+		}
+	}
+	edbg("sep_dev->in_num_pages is %lu\n", sep_dev->in_num_pages);
+	edbg("sep_dev->out_num_pages is %lu\n", sep_dev->out_num_pages);
+	edbg("SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP is %x\n", SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP);
+
+
+	/* call the fucntion that creates table from the lli arrays */
+	result = sep_construct_dma_tables_from_lli(lli_in_array, sep_dev->in_num_pages, lli_out_array, sep_dev->out_num_pages, block_size, lli_table_in_ptr, lli_table_out_ptr, in_num_entries_ptr, out_num_entries_ptr, table_data_size_ptr);
+	if (result) {
+		edbg("SEP Driver: sep_construct_dma_tables_from_lli failed\n");
+		goto end_function_with_error2;
+	}
+
+	/* fall through - free the lli entry arrays */
+	dbg("in_num_entries_ptr is %08lx\n", *in_num_entries_ptr);
+	dbg("out_num_entries_ptr is %08lx\n", *out_num_entries_ptr);
+	dbg("table_data_size_ptr is %08lx\n", *table_data_size_ptr);
+end_function_with_error2:
+	kfree(lli_out_array);
+end_function_with_error1:
+	kfree(lli_in_array);
+end_function:
+	dbg("SEP Driver:<-------- sep_prepare_input_output_dma_table end result = %d\n", (int) result);
+	return result;
+
+}
+
+
+/*
+ This function creates the input and output dma tables for
+ symmetric operations (AES/DES) according to the block size from LLI arays
+*/
+int sep_construct_dma_tables_from_lli(struct sep_lli_entry_t *lli_in_array,
+				      unsigned long sep_in_lli_entries,
+				      struct sep_lli_entry_t *lli_out_array,
+				      unsigned long sep_out_lli_entries,
+				      unsigned long block_size, unsigned long *lli_table_in_ptr, unsigned long *lli_table_out_ptr, unsigned long *in_num_entries_ptr, unsigned long *out_num_entries_ptr, unsigned long *table_data_size_ptr)
+{
+	/* points to the area where next lli table can be allocated */
+	unsigned long lli_table_alloc_addr;
+	/* input lli table */
+	struct sep_lli_entry_t *in_lli_table_ptr;
+	/* output lli table */
+	struct sep_lli_entry_t *out_lli_table_ptr;
+	/* pointer to the info entry of the table - the last entry */
+	struct sep_lli_entry_t *info_in_entry_ptr;
+	/* pointer to the info entry of the table - the last entry */
+	struct sep_lli_entry_t *info_out_entry_ptr;
+	/* points to the first entry to be processed in the lli_in_array */
+	unsigned long current_in_entry;
+	/* points to the first entry to be processed in the lli_out_array */
+	unsigned long current_out_entry;
+	/* max size of the input table */
+	unsigned long in_table_data_size;
+	/* max size of the output table */
+	unsigned long out_table_data_size;
+	/* flag te signifies if this is the first tables build from the arrays */
+	unsigned long first_table_flag;
+	/* the data size that should be in table */
+	unsigned long table_data_size;
+	/* number of etnries in the input table */
+	unsigned long num_entries_in_table;
+	/* number of etnries in the output table */
+	unsigned long num_entries_out_table;
+
+	dbg("SEP Driver:--------> sep_construct_dma_tables_from_lli start\n");
+
+	/* initiate to pint after the message area */
+	lli_table_alloc_addr = sep_dev->shared_area_addr + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+
+	current_in_entry = 0;
+	current_out_entry = 0;
+	first_table_flag = 1;
+	info_in_entry_ptr = 0;
+	info_out_entry_ptr = 0;
+
+	/* loop till all the entries in in array are not processed */
+	while (current_in_entry < sep_in_lli_entries) {
+		/* set the new input and output tables */
+		in_lli_table_ptr = (struct sep_lli_entry_t *) lli_table_alloc_addr;
+
+		lli_table_alloc_addr += sizeof(struct sep_lli_entry_t) * SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP;
+
+		/* set the first output tables */
+		out_lli_table_ptr = (struct sep_lli_entry_t *) lli_table_alloc_addr;
+
+		lli_table_alloc_addr += sizeof(struct sep_lli_entry_t) * SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP;
+
+		/* calculate the maximum size of data for input table */
+		in_table_data_size = sep_calculate_lli_table_max_size(&lli_in_array[current_in_entry], (sep_in_lli_entries - current_in_entry));
+
+		/* calculate the maximum size of data for output table */
+		out_table_data_size = sep_calculate_lli_table_max_size(&lli_out_array[current_out_entry], (sep_out_lli_entries - current_out_entry));
+
+		edbg("SEP Driver:in_table_data_size is %lu\n", in_table_data_size);
+		edbg("SEP Driver:out_table_data_size is %lu\n", out_table_data_size);
+
+		/* check where the data is smallest */
+		table_data_size = in_table_data_size;
+		if (table_data_size > out_table_data_size)
+			table_data_size = out_table_data_size;
+
+		/* now calculate the table size so that it will be module block size */
+		table_data_size = (table_data_size / block_size) * block_size;
+
+		dbg("SEP Driver:table_data_size is %lu\n", table_data_size);
+
+		/* construct input lli table */
+		sep_build_lli_table(&lli_in_array[current_in_entry], in_lli_table_ptr, &current_in_entry, &num_entries_in_table, table_data_size);
+
+		/* construct output lli table */
+		sep_build_lli_table(&lli_out_array[current_out_entry], out_lli_table_ptr, &current_out_entry, &num_entries_out_table, table_data_size);
+
+		/* if info entry is null - this is the first table built */
+		if (info_in_entry_ptr == 0) {
+			/* set the output parameters to physical addresses */
+			*lli_table_in_ptr = sep_shared_area_virt_to_phys((unsigned long) in_lli_table_ptr);
+			*in_num_entries_ptr = num_entries_in_table;
+			*lli_table_out_ptr = sep_shared_area_virt_to_phys((unsigned long) out_lli_table_ptr);
+			*out_num_entries_ptr = num_entries_out_table;
+			*table_data_size_ptr = table_data_size;
+
+			edbg("SEP Driver:output lli_table_in_ptr is %08lx\n", *lli_table_in_ptr);
+			edbg("SEP Driver:output lli_table_out_ptr is %08lx\n", *lli_table_out_ptr);
+		} else {
+			/* update the info entry of the previous in table */
+			info_in_entry_ptr->physical_address = sep_shared_area_virt_to_phys((unsigned long) in_lli_table_ptr);
+			info_in_entry_ptr->block_size = ((num_entries_in_table) << 24) | (table_data_size);
+
+			/* update the info entry of the previous in table */
+			info_out_entry_ptr->physical_address = sep_shared_area_virt_to_phys((unsigned long) out_lli_table_ptr);
+			info_out_entry_ptr->block_size = ((num_entries_out_table) << 24) | (table_data_size);
+		}
+
+		/* save the pointer to the info entry of the current tables */
+		info_in_entry_ptr = in_lli_table_ptr + num_entries_in_table - 1;
+		info_out_entry_ptr = out_lli_table_ptr + num_entries_out_table - 1;
+
+		edbg("SEP Driver:output num_entries_out_table is %lu\n", (unsigned long) num_entries_out_table);
+		edbg("SEP Driver:output info_in_entry_ptr is %lu\n", (unsigned long) info_in_entry_ptr);
+		edbg("SEP Driver:output info_out_entry_ptr is %lu\n", (unsigned long) info_out_entry_ptr);
+	}
+
+	/* print input tables */
+	sep_debug_print_lli_tables((struct sep_lli_entry_t *)
+				   sep_shared_area_phys_to_virt(*lli_table_in_ptr), *in_num_entries_ptr, *table_data_size_ptr);
+	/* print output tables */
+	sep_debug_print_lli_tables((struct sep_lli_entry_t *)
+				   sep_shared_area_phys_to_virt(*lli_table_out_ptr), *out_num_entries_ptr, *table_data_size_ptr);
+	dbg("SEP Driver:<-------- sep_construct_dma_tables_from_lli end\n");
+	return 0;
+}
+
+/*
+  this function calculates the size of data that can be inserted into the lli
+  table from this array the condition is that either the table is full
+  (all etnries are entered), or there are no more entries in the lli array
+*/
+unsigned long sep_calculate_lli_table_max_size(struct sep_lli_entry_t *lli_in_array_ptr, unsigned long num_array_entries)
+{
+	unsigned long table_data_size = 0;
+	unsigned long counter;
+
+	/* calculate the data in the out lli table if till we fill the whole
+	   table or till the data has ended */
+	for (counter = 0; (counter < (SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP - 1)) && (counter < num_array_entries); counter++)
+		table_data_size += lli_in_array_ptr[counter].block_size;
+	return table_data_size;
+}
+
+/*
+  this functions builds ont lli table from the lli_array according to
+  the given size of data
+*/
+static void sep_build_lli_table(struct sep_lli_entry_t *lli_array_ptr, struct sep_lli_entry_t *lli_table_ptr, unsigned long *num_processed_entries_ptr, unsigned long *num_table_entries_ptr, unsigned long table_data_size)
+{
+	unsigned long curr_table_data_size;
+	/* counter of lli array entry */
+	unsigned long array_counter;
+
+	dbg("SEP Driver:--------> sep_build_lli_table start\n");
+
+	/* init currrent table data size and lli array entry counter */
+	curr_table_data_size = 0;
+	array_counter = 0;
+	*num_table_entries_ptr = 1;
+
+	edbg("SEP Driver:table_data_size is %lu\n", table_data_size);
+
+	/* fill the table till table size reaches the needed amount */
+	while (curr_table_data_size < table_data_size) {
+		/* update the number of entries in table */
+		(*num_table_entries_ptr)++;
+
+		lli_table_ptr->physical_address = lli_array_ptr[array_counter].physical_address;
+		lli_table_ptr->block_size = lli_array_ptr[array_counter].block_size;
+		curr_table_data_size += lli_table_ptr->block_size;
+
+		edbg("SEP Driver:lli_table_ptr is %08lx\n", (unsigned long) lli_table_ptr);
+		edbg("SEP Driver:lli_table_ptr->physical_address is %08lx\n", lli_table_ptr->physical_address);
+		edbg("SEP Driver:lli_table_ptr->block_size is %lu\n", lli_table_ptr->block_size);
+
+		/* check for overflow of the table data */
+		if (curr_table_data_size > table_data_size) {
+			edbg("SEP Driver:curr_table_data_size > table_data_size\n");
+
+			/* update the size of block in the table */
+			lli_table_ptr->block_size -= (curr_table_data_size - table_data_size);
+
+			/* update the physical address in the lli array */
+			lli_array_ptr[array_counter].physical_address += lli_table_ptr->block_size;
+
+			/* update the block size left in the lli array */
+			lli_array_ptr[array_counter].block_size = (curr_table_data_size - table_data_size);
+		} else
+			/* advance to the next entry in the lli_array */
+			array_counter++;
+
+		edbg("SEP Driver:lli_table_ptr->physical_address is %08lx\n", lli_table_ptr->physical_address);
+		edbg("SEP Driver:lli_table_ptr->block_size is %lu\n", lli_table_ptr->block_size);
+
+		/* move to the next entry in table */
+		lli_table_ptr++;
+	}
+
+	/* set the info entry to default */
+	lli_table_ptr->physical_address = 0xffffffff;
+	lli_table_ptr->block_size = 0;
+
+	edbg("SEP Driver:lli_table_ptr is %08lx\n", (unsigned long) lli_table_ptr);
+	edbg("SEP Driver:lli_table_ptr->physical_address is %08lx\n", lli_table_ptr->physical_address);
+	edbg("SEP Driver:lli_table_ptr->block_size is %lu\n", lli_table_ptr->block_size);
+
+	/* set the output parameter */
+	*num_processed_entries_ptr += array_counter;
+
+	edbg("SEP Driver:*num_processed_entries_ptr is %lu\n", *num_processed_entries_ptr);
+	dbg("SEP Driver:<-------- sep_build_lli_table end\n");
+	return;
+}
+
+/*
+  this function goes over the list of the print created tables and
+  prints all the data
+*/
+static void sep_debug_print_lli_tables(struct sep_lli_entry_t *lli_table_ptr, unsigned long num_table_entries, unsigned long table_data_size)
+{
+	unsigned long table_count;
+	unsigned long entries_count;
+
+	dbg("SEP Driver:--------> sep_debug_print_lli_tables start\n");
+
+	table_count = 1;
+	while ((unsigned long) lli_table_ptr != 0xffffffff) {
+		edbg("SEP Driver: lli table %08lx, table_data_size is %lu\n", table_count, table_data_size);
+		edbg("SEP Driver: num_table_entries is %lu\n", num_table_entries);
+
+		/* print entries of the table (without info entry) */
+		for (entries_count = 0; entries_count < num_table_entries; entries_count++, lli_table_ptr++) {
+			edbg("SEP Driver:lli_table_ptr address is %08lx\n", (unsigned long) lli_table_ptr);
+			edbg("SEP Driver:phys address is %08lx block size is %lu\n", lli_table_ptr->physical_address, lli_table_ptr->block_size);
+		}
+
+		/* point to the info entry */
+		lli_table_ptr--;
+
+		edbg("SEP Driver:phys lli_table_ptr->block_size is %lu\n", lli_table_ptr->block_size);
+		edbg("SEP Driver:phys lli_table_ptr->physical_address is %08lx\n", lli_table_ptr->physical_address);
+
+
+		table_data_size = lli_table_ptr->block_size & 0xffffff;
+		num_table_entries = (lli_table_ptr->block_size >> 24) & 0xff;
+		lli_table_ptr = (struct sep_lli_entry_t *)
+		    (lli_table_ptr->physical_address);
+
+		edbg("SEP Driver:phys table_data_size is %lu num_table_entries is %lu lli_table_ptr is%lu\n", table_data_size, num_table_entries, (unsigned long) lli_table_ptr);
+
+		if ((unsigned long) lli_table_ptr != 0xffffffff)
+			lli_table_ptr = (struct sep_lli_entry_t *) sep_shared_area_phys_to_virt((unsigned long) lli_table_ptr);
+
+		table_count++;
+	}
+	dbg("SEP Driver:<-------- sep_debug_print_lli_tables end\n");
+}
+
+
+/*
+  This function locks all the physical pages of the application virtual buffer
+  and construct a basic lli  array, where each entry holds the physical page
+  address and the size that application data holds in this physical pages
+*/
+int sep_lock_user_pages(unsigned long app_virt_addr, unsigned long data_size, unsigned long *num_pages_ptr, struct sep_lli_entry_t **lli_array_ptr, struct page ***page_array_ptr)
+{
+	int error = 0;
+	/* the the page of the end address of the user space buffer */
+	unsigned long end_page;
+	/* the page of the start address of the user space buffer */
+	unsigned long start_page;
+	/* the range in pages */
+	unsigned long num_pages;
+	struct page **page_array;
+	struct sep_lli_entry_t *lli_array;
+	unsigned long count;
+	int result;
+
+	dbg("SEP Driver:--------> sep_lock_user_pages start\n");
+
+	/* set start and end pages  and num pages */
+	end_page = (app_virt_addr + data_size - 1) >> PAGE_SHIFT;
+	start_page = app_virt_addr >> PAGE_SHIFT;
+	num_pages = end_page - start_page + 1;
+
+	edbg("SEP Driver: app_virt_addr is %08lx\n", app_virt_addr);
+	edbg("SEP Driver: data_size is %lu\n", data_size);
+	edbg("SEP Driver: start_page is %lu\n", start_page);
+	edbg("SEP Driver: end_page is %lu\n", end_page);
+	edbg("SEP Driver: num_pages is %lu\n", num_pages);
+
+	/* allocate array of pages structure pointers */
+	page_array = kmalloc(sizeof(struct page *) * num_pages, GFP_ATOMIC);
+	if (!page_array) {
+		edbg("SEP Driver: kmalloc for page_array failed\n");
+
+		error = -ENOMEM;
+		goto end_function;
+	}
+
+	lli_array = kmalloc(sizeof(struct sep_lli_entry_t) * num_pages, GFP_ATOMIC);
+	if (!lli_array) {
+		edbg("SEP Driver: kmalloc for lli_array failed\n");
+
+		error = -ENOMEM;
+		goto end_function_with_error1;
+	}
+
+	/* convert the application virtual address into a set of physical */
+	down_read(&current->mm->mmap_sem);
+	result = get_user_pages(current, current->mm, app_virt_addr, num_pages, 1, 0, page_array, 0);
+	up_read(&current->mm->mmap_sem);
+
+	/* check the number of pages locked - if not all then exit with error */
+	if (result != num_pages) {
+		dbg("SEP Driver: not all pages locked by get_user_pages\n");
+
+		error = -ENOMEM;
+		goto end_function_with_error2;
+	}
+
+	/* flush the cache */
+	for (count = 0; count < num_pages; count++)
+		flush_dcache_page(page_array[count]);
+
+	/* set the start address of the first page - app data may start not at
+	   the beginning of the page */
+	lli_array[0].physical_address = ((unsigned long) page_to_phys(page_array[0])) + (app_virt_addr & (~PAGE_MASK));
+
+	/* check that not all the data is in the first page only */
+	if ((PAGE_SIZE - (app_virt_addr & (~PAGE_MASK))) >= data_size)
+		lli_array[0].block_size = data_size;
+	else
+		lli_array[0].block_size = PAGE_SIZE - (app_virt_addr & (~PAGE_MASK));
+
+	/* debug print */
+	dbg("lli_array[0].physical_address is %08lx, lli_array[0].block_size is %lu\n", lli_array[0].physical_address, lli_array[0].block_size);
+
+	/* go from the second page to the prev before last */
+	for (count = 1; count < (num_pages - 1); count++) {
+		lli_array[count].physical_address = (unsigned long) page_to_phys(page_array[count]);
+		lli_array[count].block_size = PAGE_SIZE;
+
+		edbg("lli_array[%lu].physical_address is %08lx, lli_array[%lu].block_size is %lu\n", count, lli_array[count].physical_address, count, lli_array[count].block_size);
+	}
+
+	/* if more then 1 pages locked - then update for the last page size needed */
+	if (num_pages > 1) {
+		/* update the address of the last page */
+		lli_array[count].physical_address = (unsigned long) page_to_phys(page_array[count]);
+
+		/* set the size of the last page */
+		lli_array[count].block_size = (app_virt_addr + data_size) & (~PAGE_MASK);
+
+		if (lli_array[count].block_size == 0) {
+			dbg("app_virt_addr is %08lx\n", app_virt_addr);
+			dbg("data_size is %lu\n", data_size);
+			while (1);
+		}
+		edbg("lli_array[%lu].physical_address is %08lx, \
+		lli_array[%lu].block_size is %lu\n", count, lli_array[count].physical_address, count, lli_array[count].block_size);
+	}
+
+	/* set output params */
+	*lli_array_ptr = lli_array;
+	*num_pages_ptr = num_pages;
+	*page_array_ptr = page_array;
+	goto end_function;
+
+end_function_with_error2:
+	/* release the cache */
+	for (count = 0; count < num_pages; count++)
+		page_cache_release(page_array[count]);
+	kfree(lli_array);
+end_function_with_error1:
+	kfree(page_array);
+end_function:
+	dbg("SEP Driver:<-------- sep_lock_user_pages end\n");
+	return 0;
+}
+
+/*
+  This function locks all the physical pages of the kernel virtual buffer
+  and construct a basic lli  array, where each entry holds the physical
+  page address and the size that application data holds in this physical pages
+*/
+int sep_lock_kernel_pages(unsigned long kernel_virt_addr, unsigned long data_size, unsigned long *num_pages_ptr, struct sep_lli_entry_t **lli_array_ptr, struct page ***page_array_ptr)
+{
+	int error = 0;
+	/* the the page of the end address of the user space buffer */
+	unsigned long end_page;
+	/* the page of the start address of the user space buffer */
+	unsigned long start_page;
+	/* the range in pages */
+	unsigned long num_pages;
+	struct sep_lli_entry_t *lli_array;
+	/* next kernel address to map */
+	unsigned long next_kernel_address;
+	unsigned long count;
+
+	dbg("SEP Driver:--------> sep_lock_kernel_pages start\n");
+
+	/* set start and end pages  and num pages */
+	end_page = (kernel_virt_addr + data_size - 1) >> PAGE_SHIFT;
+	start_page = kernel_virt_addr >> PAGE_SHIFT;
+	num_pages = end_page - start_page + 1;
+
+	edbg("SEP Driver: kernel_virt_addr is %08lx\n", kernel_virt_addr);
+	edbg("SEP Driver: data_size is %lu\n", data_size);
+	edbg("SEP Driver: start_page is %lx\n", start_page);
+	edbg("SEP Driver: end_page is %lx\n", end_page);
+	edbg("SEP Driver: num_pages is %lu\n", num_pages);
+
+	lli_array = kmalloc(sizeof(struct sep_lli_entry_t) * num_pages, GFP_ATOMIC);
+	if (!lli_array) {
+		edbg("SEP Driver: kmalloc for lli_array failed\n");
+		error = -ENOMEM;
+		goto end_function;
+	}
+
+	/* set the start address of the first page - app data may start not at
+	   the beginning of the page */
+	lli_array[0].physical_address = (unsigned long) virt_to_phys((unsigned long *) kernel_virt_addr);
+
+	/* check that not all the data is in the first page only */
+	if ((PAGE_SIZE - (kernel_virt_addr & (~PAGE_MASK))) >= data_size)
+		lli_array[0].block_size = data_size;
+	else
+		lli_array[0].block_size = PAGE_SIZE - (kernel_virt_addr & (~PAGE_MASK));
+
+	/* debug print */
+	dbg("lli_array[0].physical_address is %08lx, lli_array[0].block_size is %lu\n", lli_array[0].physical_address, lli_array[0].block_size);
+
+	/* advance the address to the start of the next page */
+	next_kernel_address = (kernel_virt_addr & PAGE_MASK) + PAGE_SIZE;
+
+	/* go from the second page to the prev before last */
+	for (count = 1; count < (num_pages - 1); count++) {
+		lli_array[count].physical_address = (unsigned long) virt_to_phys((unsigned long *) next_kernel_address);
+		lli_array[count].block_size = PAGE_SIZE;
+
+		edbg("lli_array[%lu].physical_address is %08lx, lli_array[%lu].block_size is %lu\n", count, lli_array[count].physical_address, count, lli_array[count].block_size);
+		next_kernel_address += PAGE_SIZE;
+	}
+
+	/* if more then 1 pages locked - then update for the last page size needed */
+	if (num_pages > 1) {
+		/* update the address of the last page */
+		lli_array[count].physical_address = (unsigned long) virt_to_phys((unsigned long *) next_kernel_address);
+
+		/* set the size of the last page */
+		lli_array[count].block_size = (kernel_virt_addr + data_size) & (~PAGE_MASK);
+
+		if (lli_array[count].block_size == 0) {
+			dbg("app_virt_addr is %08lx\n", kernel_virt_addr);
+			dbg("data_size is %lu\n", data_size);
+			while (1);
+		}
+
+		edbg("lli_array[%lu].physical_address is %08lx, lli_array[%lu].block_size is %lu\n", count, lli_array[count].physical_address, count, lli_array[count].block_size);
+	}
+	/* set output params */
+	*lli_array_ptr = lli_array;
+	*num_pages_ptr = num_pages;
+	*page_array_ptr = 0;
+end_function:
+	dbg("SEP Driver:<-------- sep_lock_kernel_pages end\n");
+	return 0;
+}
+
+/*
+  This function releases all the application virtual buffer physical pages,
+	that were previously locked
+*/
+int sep_free_dma_pages(struct page **page_array_ptr, unsigned long num_pages, unsigned long dirtyFlag)
+{
+	unsigned long count;
+
+	if (dirtyFlag) {
+		for (count = 0; count < num_pages; count++) {
+			/* the out array was written, therefore the data was changed */
+			if (!PageReserved(page_array_ptr[count]))
+				SetPageDirty(page_array_ptr[count]);
+			page_cache_release(page_array_ptr[count]);
+		}
+	} else {
+		/* free in pages - the data was only read, therefore no update was done
+		   on those pages */
+		for (count = 0; count < num_pages; count++)
+			page_cache_release(page_array_ptr[count]);
+	}
+
+	if (page_array_ptr)
+		/* free the array */
+		kfree(page_array_ptr);
+
+	return 0;
+}
+
+/*
+  This function raises interrupt to SEP that signals that is has a new
+	command from HOST
+*/
+static void sep_send_command_handler()
+{
+	unsigned long count;
+
+	dbg("SEP Driver:--------> sep_send_command_handler start\n");
+	sep_set_time(0, 0);
+
+	/* flash cache */
+	flush_cache_all();
+
+	for (count = 0; count < 12 * 4; count += 4)
+		edbg("Word %lu of the message is %lu\n", count, *((unsigned long *) (sep_dev->shared_area_addr + count)));
+
+	/* update counter */
+	sep_dev->host_to_sep_send_counter++;
+	/* send interrupt to SEP */
+	sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x2);
+	dbg("SEP Driver:<-------- sep_send_command_handler end\n");
+	return;
+}
+
+/*
+  This function raises interrupt to SEPm that signals that is has a
+  new command from HOST
+*/
+static void sep_send_reply_command_handler()
+{
+	unsigned long count;
+
+	dbg("SEP Driver:--------> sep_send_reply_command_handler start\n");
+
+	/* flash cache */
+	flush_cache_all();
+	for (count = 0; count < 12 * 4; count += 4)
+		edbg("Word %lu of the message is %lu\n", count, *((unsigned long *) (sep_dev->shared_area_addr + count)));
+	/* update counter */
+	sep_dev->host_to_sep_send_counter++;
+	/* send the interrupt to SEP */
+	sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR2_REG_ADDR, sep_dev->host_to_sep_send_counter);
+	/* update both counters */
+	sep_dev->host_to_sep_send_counter++;
+	sep_dev->sep_to_host_reply_counter++;
+	dbg("SEP Driver:<-------- sep_send_reply_command_handler end\n");
+}
+
+
+
+/*
+  This function handles the allocate data pool memory request
+  This function returns calculates the physical address of the
+  allocated memory, and the offset of this area from the mapped address.
+  Therefore, the FVOs in user space can calculate the exact virtual
+  address of this allocated memory
+*/
+static int sep_allocate_data_pool_memory_handler(unsigned long arg)
+{
+	int error;
+	struct sep_driver_alloc_t command_args;
+
+	dbg("SEP Driver:--------> sep_allocate_data_pool_memory_handler start\n");
+
+	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_alloc_t));
+	if (error)
+		goto end_function;
+
+	/* allocate memory */
+	if ((sep_dev->data_pool_bytes_allocated + command_args.num_bytes) > SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES) {
+		error = -ENOTTY;
+		goto end_function;
+	}
+
+	/* set the virtual and physical address */
+	command_args.offset = SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + sep_dev->data_pool_bytes_allocated;
+	command_args.phys_address = sep_dev->phys_shared_area_addr + SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + sep_dev->data_pool_bytes_allocated;
+
+	/* write the memory back to the user space */
+	error = copy_to_user((void *) arg, (void *) &command_args, sizeof(struct sep_driver_alloc_t));
+	if (error)
+		goto end_function;
+
+	/* set the allocation */
+	sep_dev->data_pool_bytes_allocated += command_args.num_bytes;
+
+end_function:
+	dbg("SEP Driver:<-------- sep_allocate_data_pool_memory_handler end\n");
+	return error;
+}
+
+/*
+  This function  handles write into allocated data pool command
+*/
+static int sep_write_into_data_pool_handler(unsigned long arg)
+{
+	int error;
+	unsigned long virt_address;
+	unsigned long app_in_address;
+	unsigned long num_bytes;
+	unsigned long data_pool_area_addr;
+
+	dbg("SEP Driver:--------> sep_write_into_data_pool_handler start\n");
+
+	/* get the application address */
+	error = get_user(app_in_address, &(((struct sep_driver_write_t *) arg)->app_address));
+	if (error)
+		goto end_function;
+
+	/* get the virtual kernel address address */
+	error = get_user(virt_address, &(((struct sep_driver_write_t *) arg)->datapool_address));
+	if (error)
+		goto end_function;
+
+	/* get the number of bytes */
+	error = get_user(num_bytes, &(((struct sep_driver_write_t *) arg)->num_bytes));
+	if (error)
+		goto end_function;
+
+	/* calculate the start of the data pool */
+	data_pool_area_addr = sep_dev->shared_area_addr + SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES;
+
+
+	/* check that the range of the virtual kernel address is correct */
+	if ((virt_address < data_pool_area_addr) || (virt_address > (data_pool_area_addr + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES))) {
+		error = -ENOTTY;
+		goto end_function;
+	}
+	/* copy the application data */
+	error = copy_from_user((void *) virt_address, (void *) app_in_address, num_bytes);
+end_function:
+	dbg("SEP Driver:<-------- sep_write_into_data_pool_handler end\n");
+	return error;
+}
+
+/*
+  this function handles the read from data pool command
+*/
+static int sep_read_from_data_pool_handler(unsigned long arg)
+{
+	int error;
+	/* virtual address of dest application buffer */
+	unsigned long app_out_address;
+	/* virtual address of the data pool */
+	unsigned long virt_address;
+	unsigned long num_bytes;
+	unsigned long data_pool_area_addr;
+
+	dbg("SEP Driver:--------> sep_read_from_data_pool_handler start\n");
+
+	/* get the application address */
+	error = get_user(app_out_address, &(((struct sep_driver_write_t *) arg)->app_address));
+	if (error)
+		goto end_function;
+
+	/* get the virtual kernel address address */
+	error = get_user(virt_address, &(((struct sep_driver_write_t *) arg)->datapool_address));
+	if (error)
+		goto end_function;
+
+	/* get the number of bytes */
+	error = get_user(num_bytes, &(((struct sep_driver_write_t *) arg)->num_bytes));
+	if (error)
+		goto end_function;
+
+	/* calculate the start of the data pool */
+	data_pool_area_addr = sep_dev->shared_area_addr + SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES;
+
+	/* check that the range of the virtual kernel address is correct */
+	if ((virt_address < data_pool_area_addr) || (virt_address > (data_pool_area_addr + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES))) {
+		error = -ENOTTY;
+		goto end_function;
+	}
+
+	/* copy the application data */
+	error = copy_to_user((void *) app_out_address, (void *) virt_address, num_bytes);
+end_function:
+	dbg("SEP Driver:<-------- sep_read_from_data_pool_handler end\n");
+	return error;
+}
+
+
+/*
+  this function handles tha request for creation of the DMA table
+  for the synchronic symmetric operations (AES,DES)
+*/
+static int sep_create_sync_dma_tables_handler(unsigned long arg)
+{
+	int error;
+	/* command arguments */
+	struct sep_driver_build_sync_table_t command_args;
+
+	dbg("SEP Driver:--------> sep_create_sync_dma_tables_handler start\n");
+
+	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_build_sync_table_t));
+	if (error)
+		goto end_function;
+
+	edbg("app_in_address is %08lx\n", command_args.app_in_address);
+	edbg("app_out_address is %08lx\n", command_args.app_out_address);
+	edbg("data_size is %lu\n", command_args.data_in_size);
+	edbg("block_size is %lu\n", command_args.block_size);
+
+	/* check if we need to build only input table or input/output */
+	if (command_args.app_out_address)
+		/* prepare input and output tables */
+		error = sep_prepare_input_output_dma_table(command_args.app_in_address,
+							   command_args.app_out_address,
+							   command_args.data_in_size,
+							   command_args.block_size,
+							   &command_args.in_table_address,
+							   &command_args.out_table_address, &command_args.in_table_num_entries, &command_args.out_table_num_entries, &command_args.table_data_size, command_args.isKernelVirtualAddress);
+	else
+		/* prepare input tables */
+		error = sep_prepare_input_dma_table(command_args.app_in_address,
+						    command_args.data_in_size, command_args.block_size, &command_args.in_table_address, &command_args.in_table_num_entries, &command_args.table_data_size, command_args.isKernelVirtualAddress);
+
+	if (error)
+		goto end_function;
+	/* copy to user */
+	error = copy_to_user((void *) arg, (void *) &command_args, sizeof(struct sep_driver_build_sync_table_t));
+end_function:
+	dbg("SEP Driver:<-------- sep_create_sync_dma_tables_handler end\n");
+	return error;
+}
+
+/*
+  this function handles the request for freeing dma table for synhronic actions
+*/
+int sep_free_dma_table_data_handler()
+{
+	dbg("SEP Driver:--------> sep_free_dma_table_data_handler start\n");
+
+	/* free input pages array */
+	sep_free_dma_pages(sep_dev->in_page_array, sep_dev->in_num_pages, 0);
+
+	/* free output pages array if needed */
+	if (sep_dev->out_page_array)
+		sep_free_dma_pages(sep_dev->out_page_array, sep_dev->out_num_pages, 1);
+
+	/* reset all the values */
+	sep_dev->in_page_array = 0;
+	sep_dev->out_page_array = 0;
+	sep_dev->in_num_pages = 0;
+	sep_dev->out_num_pages = 0;
+	dbg("SEP Driver:<-------- sep_free_dma_table_data_handler end\n");
+	return 0;
+}
+
+/*
+  this function handles the request to create the DMA tables for flow
+*/
+static int sep_create_flow_dma_tables_handler(unsigned long arg)
+{
+	int error;
+	struct sep_driver_build_flow_table_t command_args;
+	/* first table - output */
+	struct sep_lli_entry_t first_table_data;
+	/* dma table data */
+	struct sep_lli_entry_t last_table_data;
+	/* pointer to the info entry of the previuos DMA table */
+	struct sep_lli_entry_t *prev_info_entry_ptr;
+	/* pointer to the flow data strucutre */
+	struct sep_flow_context_t *flow_context_ptr;
+
+	dbg("SEP Driver:--------> sep_create_flow_dma_tables_handler start\n");
+
+	/* init variables */
+	prev_info_entry_ptr = 0;
+	first_table_data.physical_address = 0xffffffff;
+
+	/* find the free structure for flow data */
+	error = sep_find_flow_context(SEP_FREE_FLOW_ID, &flow_context_ptr);
+	if (error)
+		goto end_function;
+
+	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_build_flow_table_t));
+	if (error)
+		goto end_function;
+
+	/* create flow tables */
+	error = sep_prepare_flow_dma_tables(command_args.num_virtual_buffers, command_args.virt_buff_data_addr, flow_context_ptr, &first_table_data, &last_table_data, command_args.isKernelVirtualAddress);
+	if (error)
+		goto end_function_with_error;
+
+	/* check if flow is static */
+	if (!command_args.flow_type)
+		/* point the info entry of the last to the info entry of the first */
+		last_table_data = first_table_data;
+
+	/* set output params */
+	command_args.first_table_addr = first_table_data.physical_address;
+	command_args.first_table_num_entries = ((first_table_data.block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK);
+	command_args.first_table_data_size = (first_table_data.block_size & SEP_TABLE_DATA_SIZE_MASK);
+
+	/* send the parameters to user application */
+	error = copy_to_user((void *) arg, &command_args, sizeof(struct sep_driver_build_flow_table_t));
+	if (error)
+		goto end_function_with_error;
+
+	/* all the flow created  - update the flow entry with temp id */
+	flow_context_ptr->flow_id = SEP_TEMP_FLOW_ID;
+
+	/* set the processing tables data in the context */
+	if (command_args.input_output_flag == SEP_DRIVER_IN_FLAG)
+		flow_context_ptr->input_tables_in_process = first_table_data;
+	else
+		flow_context_ptr->output_tables_in_process = first_table_data;
+
+	goto end_function;
+
+end_function_with_error:
+	/* free the allocated tables */
+	sep_deallocated_flow_tables(&first_table_data);
+end_function:
+	dbg("SEP Driver:<-------- sep_create_flow_dma_tables_handler end\n");
+	return error;
+}
+
+/*
+  this functio n handles add tables to flow
+*/
+static int sep_add_flow_tables_handler(unsigned long arg)
+{
+	int error;
+	unsigned long num_entries;
+	struct sep_driver_add_flow_table_t command_args;
+	struct sep_flow_context_t *flow_context_ptr;
+	/* first dma table data */
+	struct sep_lli_entry_t first_table_data;
+	/* last dma table data */
+	struct sep_lli_entry_t last_table_data;
+	/* pointer to the info entry of the current DMA table */
+	struct sep_lli_entry_t *info_entry_ptr;
+
+	dbg("SEP Driver:--------> sep_add_flow_tables_handler start\n");
+
+	/* get input parameters */
+	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_add_flow_table_t));
+	if (error)
+		goto end_function;
+
+	/* find the flow structure for the flow id */
+	error = sep_find_flow_context(command_args.flow_id, &flow_context_ptr);
+	if (error)
+		goto end_function;
+
+	/* prepare the flow dma tables */
+	error = sep_prepare_flow_dma_tables(command_args.num_virtual_buffers, command_args.virt_buff_data_addr, flow_context_ptr, &first_table_data, &last_table_data, command_args.isKernelVirtualAddress);
+	if (error)
+		goto end_function_with_error;
+
+	/* now check if there is already an existing add table for this flow */
+	if (command_args.inputOutputFlag == SEP_DRIVER_IN_FLAG) {
+		/* this buffer was for input buffers */
+		if (flow_context_ptr->input_tables_flag) {
+			/* add table already exists - add the new tables to the end
+			   of the previous */
+			num_entries = (flow_context_ptr->last_input_table.block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK;
+
+			info_entry_ptr = (struct sep_lli_entry_t *)
+			    (flow_context_ptr->last_input_table.physical_address + (sizeof(struct sep_lli_entry_t) * (num_entries - 1)));
+
+			/* connect to list of tables */
+			*info_entry_ptr = first_table_data;
+
+			/* set the first table data */
+			first_table_data = flow_context_ptr->first_input_table;
+		} else {
+			/* set the input flag */
+			flow_context_ptr->input_tables_flag = 1;
+
+			/* set the first table data */
+			flow_context_ptr->first_input_table = first_table_data;
+		}
+		/* set the last table data */
+		flow_context_ptr->last_input_table = last_table_data;
+	} else {		/* this is output tables */
+
+		/* this buffer was for input buffers */
+		if (flow_context_ptr->output_tables_flag) {
+			/* add table already exists - add the new tables to
+			   the end of the previous */
+			num_entries = (flow_context_ptr->last_output_table.block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK;
+
+			info_entry_ptr = (struct sep_lli_entry_t *)
+			    (flow_context_ptr->last_output_table.physical_address + (sizeof(struct sep_lli_entry_t) * (num_entries - 1)));
+
+			/* connect to list of tables */
+			*info_entry_ptr = first_table_data;
+
+			/* set the first table data */
+			first_table_data = flow_context_ptr->first_output_table;
+		} else {
+			/* set the input flag */
+			flow_context_ptr->output_tables_flag = 1;
+
+			/* set the first table data */
+			flow_context_ptr->first_output_table = first_table_data;
+		}
+		/* set the last table data */
+		flow_context_ptr->last_output_table = last_table_data;
+	}
+
+	/* set output params */
+	command_args.first_table_addr = first_table_data.physical_address;
+	command_args.first_table_num_entries = ((first_table_data.block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK);
+	command_args.first_table_data_size = (first_table_data.block_size & SEP_TABLE_DATA_SIZE_MASK);
+
+	/* send the parameters to user application */
+	error = copy_to_user((void *) arg, &command_args, sizeof(struct sep_driver_add_flow_table_t));
+end_function_with_error:
+	/* free the allocated tables */
+	sep_deallocated_flow_tables(&first_table_data);
+end_function:
+	dbg("SEP Driver:<-------- sep_add_flow_tables_handler end\n");
+	return error;
+}
+
+/*
+  this function add the flow add message to the specific flow
+*/
+static int sep_add_flow_tables_message_handler(unsigned long arg)
+{
+	int error;
+	struct sep_driver_add_message_t command_args;
+	struct sep_flow_context_t *flow_context_ptr;
+
+	dbg("SEP Driver:--------> sep_add_flow_tables_message_handler start\n");
+
+	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_add_message_t));
+	if (error)
+		goto end_function;
+
+	/* check input */
+	if (command_args.message_size_in_bytes > SEP_MAX_ADD_MESSAGE_LENGTH_IN_BYTES) {
+		error = -ENOMEM;
+		goto end_function;
+	}
+
+	/* find the flow context */
+	error = sep_find_flow_context(command_args.flow_id, &flow_context_ptr);
+	if (error)
+		goto end_function;
+
+	/* copy the message into context */
+	flow_context_ptr->message_size_in_bytes = command_args.message_size_in_bytes;
+	error = copy_from_user(flow_context_ptr->message, (void *) command_args.message_address, command_args.message_size_in_bytes);
+end_function:
+	dbg("SEP Driver:<-------- sep_add_flow_tables_message_handler end\n");
+	return error;
+}
+
+
+/*
+  this function returns the physical and virtual addresses of the static pool
+*/
+static int sep_get_static_pool_addr_handler(unsigned long arg)
+{
+	int error;
+	struct sep_driver_static_pool_addr_t command_args;
+
+	dbg("SEP Driver:--------> sep_get_static_pool_addr_handler start\n");
+
+	/*prepare the output parameters in the struct */
+	command_args.physical_static_address = sep_dev->phys_shared_area_addr + SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES;
+	command_args.virtual_static_address = sep_dev->shared_area_addr + SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES;
+
+	edbg("SEP Driver:physical_static_address is %08lx, virtual_static_address %08lx\n", command_args.physical_static_address, command_args.virtual_static_address);
+
+	/* send the parameters to user application */
+	error = copy_to_user((void *) arg, &command_args, sizeof(struct sep_driver_static_pool_addr_t));
+	dbg("SEP Driver:<-------- sep_get_static_pool_addr_handler end\n");
+	return error;
+}
+
+/*
+  this address gets the offset of the physical address from the start
+  of the mapped area
+*/
+static int sep_get_physical_mapped_offset_handler(unsigned long arg)
+{
+	int error;
+	struct sep_driver_get_mapped_offset_t command_args;
+
+	dbg("SEP Driver:--------> sep_get_physical_mapped_offset_handler start\n");
+
+	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_get_mapped_offset_t));
+	if (error)
+		goto end_function;
+
+	if (command_args.physical_address < sep_dev->phys_shared_area_addr) {
+		error = -ENOTTY;
+		goto end_function;
+	}
+
+	/*prepare the output parameters in the struct */
+	command_args.offset = command_args.physical_address - sep_dev->phys_shared_area_addr;
+
+	edbg("SEP Driver:physical_address is %08lx, offset is %lu\n", command_args.physical_address, command_args.offset);
+
+	/* send the parameters to user application */
+	error = copy_to_user((void *) arg, &command_args, sizeof(struct sep_driver_get_mapped_offset_t));
+end_function:
+	dbg("SEP Driver:<-------- sep_get_physical_mapped_offset_handler end\n");
+	return error;
+}
+
+
+/*
+  ?
+*/
+static int sep_start_handler(void)
+{
+	unsigned long reg_val;
+	unsigned long error = 0;
+
+	dbg("SEP Driver:--------> sep_start_handler start\n");
+
+	/* wait in polling for message from SEP */
+	do
+		reg_val = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR3_REG_ADDR);
+	while (!reg_val);
+
+	/* check the value */
+	if (reg_val == 0x1)
+		/* fatal error - read erro status from GPRO */
+		error = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+	dbg("SEP Driver:<-------- sep_start_handler end\n");
+	return error;
+}
+
+/*
+  this function handles the request for SEP initialization
+*/
+static int sep_init_handler(unsigned long arg)
+{
+	unsigned long message_word;
+	unsigned long *message_ptr;
+	struct sep_driver_init_t command_args;
+	unsigned long counter;
+	unsigned long error;
+	unsigned long reg_val;
+
+	dbg("SEP Driver:--------> sep_init_handler start\n");
+	error = 0;
+
+	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_init_t));
+
+	dbg("SEP Driver:--------> sep_init_handler - finished copy_from_user \n");
+
+	if (error)
+		goto end_function;
+
+	/* PATCH - configure the DMA to single -burst instead of multi-burst */
+	/*sep_configure_dma_burst(); */
+
+	dbg("SEP Driver:--------> sep_init_handler - finished sep_configure_dma_burst \n");
+
+	message_ptr = (unsigned long *) command_args.message_addr;
+
+	/* set the base address of the SRAM  */
+	sep_write_reg(sep_dev, HW_SRAM_ADDR_REG_ADDR, HW_CC_SRAM_BASE_ADDRESS);
+
+	for (counter = 0; counter < command_args.message_size_in_words; counter++, message_ptr++) {
+		get_user(message_word, message_ptr);
+		/* write data to SRAM */
+		sep_write_reg(sep_dev, HW_SRAM_DATA_REG_ADDR, message_word);
+		edbg("SEP Driver:message_word is %lu\n", message_word);
+		/* wait for write complete */
+		sep_wait_sram_write(sep_dev);
+	}
+	dbg("SEP Driver:--------> sep_init_handler - finished getting messages from user space\n");
+	/* signal SEP */
+	sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x1);
+
+	do
+		reg_val = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR3_REG_ADDR);
+	while (!(reg_val & 0xFFFFFFFD));
+
+	dbg("SEP Driver:--------> sep_init_handler - finished waiting for reg_val & 0xFFFFFFFD \n");
+
+	/* check the value */
+	if (reg_val == 0x1) {
+		edbg("SEP Driver:init failed\n");
+
+		error = sep_read_reg(sep_dev, 0x8060);
+		edbg("SEP Driver:sw monitor is %lu\n", error);
+
+		/* fatal error - read erro status from GPRO */
+		error = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+		edbg("SEP Driver:error is %lu\n", error);
+	}
+end_function:
+	dbg("SEP Driver:<-------- sep_init_handler end\n");
+	return error;
+
+}
+
+/*
+  this function handles the request cache and resident reallocation
+*/
+static int sep_realloc_cache_resident_handler(unsigned long arg)
+{
+	int error;
+	unsigned long phys_cache_address;
+	unsigned long phys_resident_address;
+	struct sep_driver_realloc_cache_resident_t command_args;
+
+	/* copy the data */
+	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_realloc_cache_resident_t));
+	if (error)
+		goto end_function;
+
+	/* copy cache and resident to the their intended locations */
+	error = sep_copy_cache_resident_to_area(command_args.cache_addr, command_args.cache_size_in_bytes, command_args.resident_addr, command_args.resident_size_in_bytes, &phys_cache_address, &phys_resident_address);
+	if (error)
+		goto end_function;
+
+	/* lock the area (if needed) */
+	sep_lock_cache_resident_area();
+
+	command_args.new_base_addr = sep_dev->phys_shared_area_addr;
+
+	/* find the new base address according to the lowest address between
+	   cache, resident and shared area */
+	if (phys_resident_address < command_args.new_base_addr)
+		command_args.new_base_addr = phys_resident_address;
+	if (phys_cache_address < command_args.new_base_addr)
+		command_args.new_base_addr = phys_cache_address;
+
+	/* set the return parameters */
+	command_args.new_cache_addr = phys_cache_address;
+	command_args.new_resident_addr = phys_resident_address;
+
+	/* set the new shared area */
+	command_args.new_shared_area_addr = sep_dev->phys_shared_area_addr;
+
+	edbg("SEP Driver:command_args.new_shared_area_addr is %08lx\n", command_args.new_shared_area_addr);
+	edbg("SEP Driver:command_args.new_base_addr is %08lx\n", command_args.new_base_addr);
+	edbg("SEP Driver:command_args.new_resident_addr is %08lx\n", command_args.new_resident_addr);
+	edbg("SEP Driver:command_args.new_cache_addr is %08lx\n", command_args.new_cache_addr);
+
+	/* return to user */
+	error = copy_to_user((void *) arg, (void *) &command_args, sizeof(struct sep_driver_realloc_cache_resident_t));
+end_function:
+	return error;
+}
+
+/*
+  this function handles the request for get time
+*/
+static int sep_get_time_handler(unsigned long arg)
+{
+	int error;
+	struct sep_driver_get_time_t command_args;
+
+	error = sep_set_time(&command_args.time_physical_address, &command_args.time_value);
+	error = copy_to_user((void *) arg, (void *) &command_args, sizeof(struct sep_driver_get_time_t));
+	return error;
+
+}
+
+/*
+  This api handles the setting of API mode to blocking or non-blocking
+*/
+static int sep_set_api_mode_handler(unsigned long arg)
+{
+	int error;
+	unsigned long mode_flag;
+
+	dbg("SEP Driver:--------> sep_set_api_mode_handler start\n");
+
+	error = get_user(mode_flag, &(((struct sep_driver_set_api_mode_t *) arg)->mode));
+	if (error)
+		goto end_function;
+
+	/* set the global flag */
+	sep_dev->block_mode_flag = mode_flag;
+end_function:
+	dbg("SEP Driver:<-------- sep_set_api_mode_handler end\n");
+	return error;
+}
+
+/*
+  This API handles the end transaction request
+*/
+static int sep_end_transaction_handler(unsigned long arg)
+{
+	dbg("SEP Driver:--------> sep_end_transaction_handler start\n");
+
+#if 0				/*!SEP_DRIVER_POLLING_MODE */
+	/* close IMR */
+	sep_write_reg(sep_dev, HW_HOST_IMR_REG_ADDR, 0x7FFF);
+
+	/* release IRQ line */
+	free_irq(SEP_DIRVER_IRQ_NUM, &sep_dev->reg_base_address);
+
+	/* lock the sep mutex */
+	mutex_unlock(&sep_mutex);
+#endif
+
+	dbg("SEP Driver:<-------- sep_end_transaction_handler end\n");
+
+	return 0;
+}
+
+/* handler for flow done interrupt */
+static void sep_flow_done_handler(struct work_struct *work)
+{
+	struct sep_flow_context_t *flow_data_ptr;
+
+	/* obtain the mutex */
+	mutex_lock(&sep_mutex);
+
+	/* get the pointer to context */
+	flow_data_ptr = (struct sep_flow_context_t *) work;
+
+	/* free all the current input tables in sep */
+	sep_deallocated_flow_tables(&flow_data_ptr->input_tables_in_process);
+
+	/* free all the current tables output tables in SEP (if needed) */
+	if (flow_data_ptr->output_tables_in_process.physical_address != 0xffffffff)
+		sep_deallocated_flow_tables(&flow_data_ptr->output_tables_in_process);
+
+	/* check if we have additional tables to be sent to SEP only input
+	   flag may be checked */
+	if (flow_data_ptr->input_tables_flag) {
+		/* copy the message to the shared RAM and signal SEP */
+		memcpy((void *) flow_data_ptr->message, (void *) sep_dev->shared_area_addr, flow_data_ptr->message_size_in_bytes);
+
+		sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR2_REG_ADDR, 0x2);
+	}
+	mutex_unlock(&sep_mutex);
+}
+
+
+/*
+  This function creates a list of tables for flow and returns the data for
+	the first and last tables of the list
+*/
+static int sep_prepare_flow_dma_tables(unsigned long num_virtual_buffers,
+				       unsigned long first_buff_addr, struct sep_flow_context_t *flow_data_ptr, struct sep_lli_entry_t *first_table_data_ptr, struct sep_lli_entry_t *last_table_data_ptr, bool isKernelVirtualAddress)
+{
+	int error;
+	unsigned long virt_buff_addr;
+	unsigned long virt_buff_size;
+	struct sep_lli_entry_t table_data;
+	struct sep_lli_entry_t *info_entry_ptr;
+	struct sep_lli_entry_t *prev_info_entry_ptr;
+	unsigned long i;
+
+	/* init vars */
+	error = 0;
+	prev_info_entry_ptr = 0;
+
+	/* init the first table to default */
+	table_data.physical_address = 0xffffffff;
+	first_table_data_ptr->physical_address = 0xffffffff;
+	table_data.block_size = 0;
+
+	for (i = 0; i < num_virtual_buffers; i++) {
+		/* get the virtual buffer address */
+		error = get_user(virt_buff_addr, &first_buff_addr);
+		if (error)
+			goto end_function;
+
+		/* get the virtual buffer size */
+		first_buff_addr++;
+		error = get_user(virt_buff_size, &first_buff_addr);
+		if (error)
+			goto end_function;
+
+		/* advance the address to point to the next pair of address|size */
+		first_buff_addr++;
+
+		/* now prepare the one flow LLI table from the data */
+		error = sep_prepare_one_flow_dma_table(virt_buff_addr, virt_buff_size, &table_data, &info_entry_ptr, flow_data_ptr, isKernelVirtualAddress);
+		if (error)
+			goto end_function;
+
+		if (i == 0) {
+			/* if this is the first table - save it to return to the user
+			   application */
+			*first_table_data_ptr = table_data;
+
+			/* set the pointer to info entry */
+			prev_info_entry_ptr = info_entry_ptr;
+		} else {
+			/* not first table - the previous table info entry should
+			   be updated */
+			prev_info_entry_ptr->block_size = (0x1 << SEP_INT_FLAG_OFFSET_IN_BITS) | (table_data.block_size);
+
+			/* set the pointer to info entry */
+			prev_info_entry_ptr = info_entry_ptr;
+		}
+	}
+
+	/* set the last table data */
+	*last_table_data_ptr = table_data;
+end_function:
+	return error;
+}
+
+
+/*
+  This function creates one DMA table for flow and returns its data,
+  and pointer to its info entry
+*/
+static int sep_prepare_one_flow_dma_table(unsigned long virt_buff_addr, unsigned long virt_buff_size, struct sep_lli_entry_t *table_data, struct sep_lli_entry_t **info_entry_ptr, struct sep_flow_context_t *flow_data_ptr, bool isKernelVirtualAddress)
+{
+	int error;
+	/* the range in pages */
+	unsigned long lli_array_size;
+	struct sep_lli_entry_t *lli_array;
+	struct sep_lli_entry_t *flow_dma_table_entry_ptr;
+	unsigned long *start_dma_table_ptr;
+	/* total table data counter */
+	unsigned long dma_table_data_count;
+	/* pointer that will keep the pointer to the pages of the virtual buffer */
+	struct page **page_array_ptr;
+	unsigned long entry_count;
+
+	/* find the space for the new table */
+	error = sep_find_free_flow_dma_table_space(&start_dma_table_ptr);
+	if (error)
+		goto end_function;
+
+	/* check if the pages are in Kernel Virtual Address layout */
+	if (isKernelVirtualAddress == true)
+		/* lock kernel buffer in the memory */
+		error = sep_lock_kernel_pages(virt_buff_addr, virt_buff_size, &lli_array_size, &lli_array, &page_array_ptr);
+	else
+		/* lock user buffer in the memory */
+		error = sep_lock_user_pages(virt_buff_addr, virt_buff_size, &lli_array_size, &lli_array, &page_array_ptr);
+
+	if (error)
+		goto end_function;
+
+	/* set the pointer to page array at the beginning of table - this table is
+	   now considered taken */
+	*start_dma_table_ptr = lli_array_size;
+
+	/* point to the place of the pages pointers of the table */
+	start_dma_table_ptr++;
+
+	/* set the pages pointer */
+	*start_dma_table_ptr = (unsigned long) page_array_ptr;
+
+	/* set the pointer to the first entry */
+	flow_dma_table_entry_ptr = (struct sep_lli_entry_t *) (++start_dma_table_ptr);
+
+	/* now create the entries for table */
+	for (dma_table_data_count = entry_count = 0; entry_count < lli_array_size; entry_count++) {
+		flow_dma_table_entry_ptr->physical_address = lli_array[entry_count].physical_address;
+
+		flow_dma_table_entry_ptr->block_size = lli_array[entry_count].block_size;
+
+		/* set the total data of a table */
+		dma_table_data_count += lli_array[entry_count].block_size;
+
+		flow_dma_table_entry_ptr++;
+	}
+
+	/* set the physical address */
+	table_data->physical_address = virt_to_phys(start_dma_table_ptr);
+
+	/* set the num_entries and total data size */
+	table_data->block_size = ((lli_array_size + 1) << SEP_NUM_ENTRIES_OFFSET_IN_BITS) | (dma_table_data_count);
+
+	/* set the info entry */
+	flow_dma_table_entry_ptr->physical_address = 0xffffffff;
+	flow_dma_table_entry_ptr->block_size = 0;
+
+	/* set the pointer to info entry */
+	*info_entry_ptr = flow_dma_table_entry_ptr;
+
+	/* the array of the lli entries */
+	kfree(lli_array);
+end_function:
+	return error;
+}
+
+
+/*
+  This function returns pointer to the  flow data structure
+  that contains the given id
+*/
+static int sep_find_flow_context(unsigned long flow_id, struct sep_flow_context_t **flow_data_ptr)
+{
+	unsigned long count;
+	int error = 0;
+
+	/*
+	   always search for flow with id default first - in case we
+	   already started working on the flow there can be no situation
+	   when 2 flows are with default flag
+	 */
+	for (count = 0; count < SEP_DRIVER_NUM_FLOWS; count++) {
+		if (sep_dev->flows_data_array[count].flow_id == flow_id) {
+			*flow_data_ptr = &sep_dev->flows_data_array[count];
+			break;
+		}
+	}
+
+	if (count == SEP_DRIVER_NUM_FLOWS)
+		/* no flow found  */
+		error = -ENOMEM;
+
+	return error;
+}
+
+/*
+  this function find a space for the new flow dma table
+*/
+static int sep_find_free_flow_dma_table_space(unsigned long **table_address_ptr)
+{
+	int error = 0;
+	/* pointer to the id field of the flow dma table */
+	unsigned long *start_table_ptr;
+	unsigned long flow_dma_area_start_addr;
+	unsigned long flow_dma_area_end_addr;
+	/* maximum table size in words */
+	unsigned long table_size_in_words;
+
+	/* find the start address of the flow DMA table area */
+	flow_dma_area_start_addr = sep_dev->shared_area_addr + SEP_DRIVER_FLOW_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+
+	/* set end address of the flow table area */
+	flow_dma_area_end_addr = flow_dma_area_start_addr + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES;
+
+	/* set table size in words */
+	table_size_in_words = SEP_DRIVER_MAX_FLOW_NUM_ENTRIES_IN_TABLE * (sizeof(struct sep_lli_entry_t) / sizeof(long)) + 2;
+
+	/* set the pointer to the start address of DMA area */
+	start_table_ptr = (unsigned long *) flow_dma_area_start_addr;
+
+	/* find the space for the next table */
+	while (((*start_table_ptr & 0x7FFFFFFF) != 0) && ((unsigned long) start_table_ptr < flow_dma_area_end_addr))
+		start_table_ptr += table_size_in_words;
+
+	/* check if we reached the end of floa tables area */
+	if ((unsigned long) start_table_ptr >= flow_dma_area_end_addr)
+		error = -1;
+	else
+		*table_address_ptr = start_table_ptr;
+
+	return error;
+}
+
+/*
+  this function goes over all the flow tables connected to the given
+	table and deallocate them
+*/
+static void sep_deallocated_flow_tables(struct sep_lli_entry_t *first_table_ptr)
+{
+	/* id pointer */
+	unsigned long *table_ptr;
+	/* end address of the flow dma area */
+	unsigned long num_entries;
+	unsigned long num_pages;
+	struct page **pages_ptr;
+	/* maximum table size in words */
+	struct sep_lli_entry_t *info_entry_ptr;
+
+	/* set the pointer to the first table */
+	table_ptr = (unsigned long *) first_table_ptr->physical_address;
+
+	/* set the num of entries */
+	num_entries = (first_table_ptr->block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS)
+	    & SEP_NUM_ENTRIES_MASK;
+
+	/* go over all the connected tables */
+	while (*table_ptr != 0xffffffff) {
+		/* get number of pages */
+		num_pages = *(table_ptr - 2);
+
+		/* get the pointer to the pages */
+		pages_ptr = (struct page **) (*(table_ptr - 1));
+
+		/* free the pages */
+		sep_free_dma_pages(pages_ptr, num_pages, 1);
+
+		/* goto to the info entry */
+		info_entry_ptr = ((struct sep_lli_entry_t *) table_ptr) + (num_entries - 1);
+
+		table_ptr = (unsigned long *) info_entry_ptr->physical_address;
+		num_entries = (info_entry_ptr->block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK;
+	}
+
+	return;
+}
+
+/*
+  This function handler the set flow id command
+*/
+static int sep_set_flow_id_handler(unsigned long arg)
+{
+	int error;
+	unsigned long flow_id;
+	struct sep_flow_context_t *flow_data_ptr;
+
+	dbg("------------>SEP Driver: sep_set_flow_id_handler start\n");
+
+	error = get_user(flow_id, &(((struct sep_driver_set_flow_id_t *) arg)->flow_id));
+	if (error)
+		goto end_function;
+
+	/* find the flow data structure that was just used for creating new flow
+	   - its id should be default */
+	error = sep_find_flow_context(SEP_TEMP_FLOW_ID, &flow_data_ptr);
+	if (error)
+		goto end_function;
+
+	/* set flow id */
+	flow_data_ptr->flow_id = flow_id;
+
+end_function:
+	dbg("SEP Driver:<-------- sep_set_flow_id_handler end\n");
+	return error;
+}
+
+
+/*
+  calculates time and sets it at the predefined address
+*/
+static int sep_set_time(unsigned long *address_ptr, unsigned long *time_in_sec_ptr)
+{
+	struct timeval time;
+	/* address of time in the kernel */
+	unsigned long time_addr;
+
+
+	dbg("SEP Driver:--------> sep_set_time start\n");
+
+	do_gettimeofday(&time);
+
+	/* set value in the SYSTEM MEMORY offset */
+	time_addr = sep_dev->message_shared_area_addr + SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES;
+
+	*(unsigned long *) time_addr = SEP_TIME_VAL_TOKEN;
+	*(unsigned long *) (time_addr + 4) = time.tv_sec;
+
+	edbg("SEP Driver:time.tv_sec is %lu\n", time.tv_sec);
+	edbg("SEP Driver:time_addr is %lu\n", time_addr);
+	edbg("SEP Driver:g_message_shared_area_addr is %lu\n", sep_dev->message_shared_area_addr);
+
+	/* set the output parameters if needed */
+	if (address_ptr)
+		*address_ptr = sep_shared_area_virt_to_phys(time_addr);
+
+	if (time_in_sec_ptr)
+		*time_in_sec_ptr = time.tv_sec;
+
+	dbg("SEP Driver:<-------- sep_set_time end\n");
+
+	return 0;
+}
+
+static void sep_wait_busy(struct sep_device *dev)
+{
+	u32 reg;
+
+	do {
+		reg = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
+	} while (reg);
+}
+
+/*
+  PATCH for configuring the DMA to single burst instead of multi-burst
+*/
+static void sep_configure_dma_burst(void)
+{
+#define 	 HW_AHB_RD_WR_BURSTS_REG_ADDR 		 0x0E10UL
+
+	dbg("SEP Driver:<-------- sep_configure_dma_burst start \n");
+
+	/* request access to registers from SEP */
+	sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x2);
+
+	dbg("SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (write reg)  \n");
+
+	sep_wait_busy(sep_dev);
+
+	dbg("SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (while(revVal) wait loop)  \n");
+
+	/* set the DMA burst register to single burst */
+	sep_write_reg(sep_dev, HW_AHB_RD_WR_BURSTS_REG_ADDR, 0x0UL);
+
+	/* release the sep busy */
+	sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x0UL);
+	sep_wait_busy(sep_dev);
+
+	dbg("SEP Driver:<-------- sep_configure_dma_burst done  \n");
+
+}
+
+/*
+  function that is activaed on the succesfull probe of the SEP device
+*/
+static int __devinit sep_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	int error = 0;
+
+	edbg("Sep pci probe starting\n");
+
+	/* enable the device */
+	error = pci_enable_device(pdev);
+	if (error) {
+		edbg("error enabling pci device\n");
+		goto end_function;
+	}
+
+	/* set the pci dev pointer */
+	sep_dev->sep_pci_dev_ptr = pdev;
+
+	/* get the io memory start address */
+	sep_dev->io_memory_start_physical_address = pci_resource_start(pdev, 0);
+	if (!sep_dev->io_memory_start_physical_address) {
+		edbg("SEP Driver error pci resource start\n");
+		goto end_function;
+	}
+
+	/* get the io memory end address */
+	sep_dev->io_memory_end_physical_address = pci_resource_end(pdev, 0);
+	if (!sep_dev->io_memory_end_physical_address) {
+		edbg("SEP Driver error pci resource end\n");
+		goto end_function;
+	}
+
+	sep_dev->io_memory_size = sep_dev->io_memory_end_physical_address - sep_dev->io_memory_start_physical_address + 1;
+
+	edbg("SEP Driver:io_memory_start_physical_address is %08lx\n", sep_dev->io_memory_start_physical_address);
+
+	edbg("SEP Driver:io_memory_end_phyaical_address is %08lx\n", sep_dev->io_memory_end_physical_address);
+
+	edbg("SEP Driver:io_memory_size is %08lx\n", sep_dev->io_memory_size);
+
+	sep_dev->io_memory_start_virtual_address = ioremap_nocache(sep_dev->io_memory_start_physical_address, sep_dev->io_memory_size);
+	if (!sep_dev->io_memory_start_virtual_address) {
+		edbg("SEP Driver error ioremap of io memory\n");
+		goto end_function;
+	}
+
+	edbg("SEP Driver:io_memory_start_virtual_address is %p\n", sep_dev->io_memory_start_virtual_address);
+
+	sep_dev->reg_base_address = (void __iomem *) sep_dev->io_memory_start_virtual_address;
+
+
+	/* set up system base address and shared memory location */
+
+	sep_dev->rar_virtual_address = kmalloc(2 * SEP_RAR_IO_MEM_REGION_SIZE, GFP_KERNEL);
+
+	if (!sep_dev->rar_virtual_address) {
+		edbg("SEP Driver:cant kmalloc rar\n");
+		goto end_function;
+	}
+	/* FIXME */
+	sep_dev->rar_physical_address = __pa(sep_dev->rar_virtual_address);
+
+	edbg("SEP Driver:rar_physical is %08lx\n", sep_dev->rar_physical_address);
+	edbg("SEP Driver:rar_virtual is %p\n", sep_dev->rar_virtual_address);
+
+#if !SEP_DRIVER_POLLING_MODE
+
+	edbg("SEP Driver: about to write IMR and ICR REG_ADDR\n");
+
+	/* clear ICR register */
+	sep_write_reg(sep_dev, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF);
+
+	/* set the IMR register - open only GPR 2 */
+	sep_write_reg(sep_dev, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13)));
+
+	/* figure out our irq */
+	/* FIXME: */
+	error = pci_read_config_byte(pdev, PCI_INTERRUPT_LINE, (u8 *) & sep_dev->sep_irq);
+
+	edbg("SEP Driver: my irq is %d\n", sep_irq);
+
+	edbg("SEP Driver: about to call request_irq\n");
+	/* get the interrupt line */
+	error = request_irq(sep_irq, sep_inthandler, IRQF_SHARED, "sep_driver", &sep_dev->reg_base_address);
+	if (error)
+		goto end_function;
+
+	goto end_function;
+	edbg("SEP Driver: about to write IMR REG_ADDR");
+
+	/* set the IMR register - open only GPR 2 */
+	sep_write_reg(sep_dev, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13)));
+
+#endif				/* SEP_DRIVER_POLLING_MODE */
+end_function:
+	return error;
+}
+
+static struct pci_device_id sep_pci_id_tbl[] = {
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080c)},
+	{0}
+};
+
+MODULE_DEVICE_TABLE(pci, sep_pci_id_tbl);
+
+/* field for registering driver to PCI device */
+static struct pci_driver sep_pci_driver = {
+	.name = "sep_sec_driver",
+	.id_table = sep_pci_id_tbl,
+	.probe = sep_probe
+};
+
+/*
+  this function registers th driver to
+  the device subsystem( either PCI, USB, etc)
+*/
+int sep_register_driver_to_device(void)
+{
+	return pci_register_driver(&sep_pci_driver);
+}
+
+
+
+/* major and minor device numbers */
+static dev_t sep_devno;
+
+/* the files operations structure of the driver */
+static struct file_operations sep_file_operations = {
+	.owner = THIS_MODULE,
+	.ioctl = sep_ioctl,
+	.poll = sep_poll,
+	.open = sep_open,
+	.release = sep_release,
+	.mmap = sep_mmap,
+};
+
+
+/* cdev struct of the driver */
+static struct cdev sep_cdev;
+
+/*
+  this function registers the driver to the file system
+*/
+static int sep_register_driver_to_fs(void)
+{
+	int ret_val = alloc_chrdev_region(&sep_devno, 0, 1, "sep_sec_driver");
+	if (ret_val) {
+		edbg("sep_driver:major number allocation failed, retval is %d\n", ret_val);
+		goto end_function;
+	}
+
+	/* init cdev */
+	cdev_init(&sep_cdev, &sep_file_operations);
+	sep_cdev.owner = THIS_MODULE;
+
+	/* register the driver with the kernel */
+	ret_val = cdev_add(&sep_cdev, sep_devno, 1);
+
+	if (ret_val) {
+		edbg("sep_driver:cdev_add failed, retval is %d\n", ret_val);
+		goto end_function_unregister_devnum;
+	}
+
+	goto end_function;
+
+end_function_unregister_devnum:
+
+	/* unregister dev numbers */
+	unregister_chrdev_region(sep_devno, 1);
+
+end_function:
+      return ret_val;
+}
+
+/*
+  this function unregisters driver from fs
+*/
+static void sep_unregister_driver_from_fs(void)
+{
+	cdev_del(&sep_cdev);
+	/* unregister dev numbers */
+	unregister_chrdev_region(sep_devno, 1);
+}
+
+
+/*--------------------------------------------------------------
+  init function
+----------------------------------------------------------------*/
+static int __init sep_init(void)
+{
+	int ret_val = 0;
+	int counter;
+	int size;		/* size of memory for allocation */
+
+	dbg("SEP Driver:-------->Init start\n");
+	edbg("sep->shared_area_addr = %lx\n", (unsigned long) &sep_dev->shared_area_addr);
+
+	/* transaction counter that coordinates the transactions between SEP
+	and HOST */
+	sep_dev->host_to_sep_send_counter = 0;
+
+	/* counter for the messages from sep */
+	sep_dev->sep_to_host_reply_counter = 0;
+
+	/* counter for the number of bytes allocated in the pool
+	for the current transaction */
+	sep_dev->data_pool_bytes_allocated = 0;
+
+	/* set the starting mode to blocking */
+	sep_dev->block_mode_flag = 1;
+
+	ret_val = sep_register_driver_to_device();
+	if (ret_val) {
+		edbg("sep_driver:sep_driver_to_device failed, ret_val is %d\n", ret_val);
+		goto end_function_unregister_from_fs;
+	}
+	/* calculate the total size for allocation */
+	size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES +
+	    SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES;
+
+	/* allocate the shared area */
+	if (sep_map_and_alloc_shared_area(size, &sep_dev->shared_area_addr, &sep_dev->phys_shared_area_addr)) {
+		ret_val = -ENOMEM;
+		/* allocation failed */
+		goto end_function_unmap_io_memory;
+	}
+	/* now set the memory regions */
+	sep_dev->message_shared_area_addr = sep_dev->shared_area_addr;
+
+	edbg("SEP Driver: g_message_shared_area_addr is %08lx\n", sep_dev->message_shared_area_addr);
+
+#if (SEP_DRIVER_RECONFIG_MESSAGE_AREA == 1)
+	/* send the new SHARED MESSAGE AREA to the SEP */
+	sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR1_REG_ADDR, sep_dev->phys_shared_area_addr);
+
+	/* poll for SEP response */
+	retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR1_REG_ADDR);
+	while (retVal != 0xffffffff && retVal != sep_dev->phys_shared_area_addr)
+		retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR1_REG_ADDR);
+
+	/* check the return value (register) */
+	if (retVal != sep_dev->phys_shared_area_addr) {
+		ret_val = -ENOMEM;
+		goto end_function_deallocate_message_area;
+	}
+#endif
+	/* init the flow contextes */
+	for (counter = 0; counter < SEP_DRIVER_NUM_FLOWS; counter++)
+		sep_dev->flows_data_array[counter].flow_id = SEP_FREE_FLOW_ID;
+
+	sep_dev->flow_wq_ptr = create_singlethread_workqueue("sepflowwq");
+	if (sep_dev->flow_wq_ptr == 0) {
+		ret_val = -ENOMEM;
+		edbg("sep_driver:flow queue creation failed\n");
+		goto end_function_deallocate_sep_shared_area;
+	}
+	edbg("SEP Driver: create flow workqueue \n");
+
+	/* register driver to fs */
+	ret_val = sep_register_driver_to_fs();
+	if (ret_val)
+		goto end_function_deallocate_sep_shared_area;
+	/* load the rom code */
+	sep_load_rom_code();
+	goto end_function;
+end_function_unregister_from_fs:
+	/* unregister from fs */
+	sep_unregister_driver_from_fs();
+end_function_deallocate_sep_shared_area:
+	/* de-allocate shared area */
+	sep_unmap_and_free_shared_area(size, sep_dev->shared_area_addr, sep_dev->phys_shared_area_addr);
+end_function_unmap_io_memory:
+	iounmap((void *) sep_dev->reg_base_address);
+	/* release io memory region */
+	release_mem_region(SEP_IO_MEM_REGION_START_ADDRESS, SEP_IO_MEM_REGION_SIZE);
+end_function:
+	dbg("SEP Driver:<-------- Init end\n");
+	return ret_val;
+}
+
+
+/*-------------------------------------------------------------
+  exit function
+--------------------------------------------------------------*/
+static void __exit sep_exit(void)
+{
+	int size;
+
+	dbg("SEP Driver:--------> Exit start\n");
+
+	/* unregister from fs */
+	sep_unregister_driver_from_fs();
+	/* calculate the total size for de-allocation */
+	size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES +
+	    SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES;
+	/* free shared area  */
+	sep_unmap_and_free_shared_area(size, sep_dev->shared_area_addr, sep_dev->phys_shared_area_addr);
+	edbg("SEP Driver: free pages SEP SHARED AREA \n");
+	iounmap((void *) sep_dev->reg_base_address);
+	edbg("SEP Driver: iounmap \n");
+	/* release io memory region */
+	release_mem_region(SEP_IO_MEM_REGION_START_ADDRESS, SEP_IO_MEM_REGION_SIZE);
+	edbg("SEP Driver: release_mem_region \n");
+	dbg("SEP Driver:<-------- Exit end\n");
+}
+
+
+module_init(sep_init);
+module_exit(sep_exit);
+
+MODULE_LICENSE("GPL");