Staging: sep: forward declaration removal time

Exterminate! Exterminate! Exterminate!

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

3 files changed, 998 insertions, 1311 deletions

diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c
index 23bc8a81105e..fe46c1b46472 100644
--- a/drivers/staging/sep/sep_driver.c
+++ b/drivers/staging/sep/sep_driver.c
@@ -184,199 +184,6 @@ static DEFINE_MUTEX(sep_mutex);
 /* wait queue head (event) of the driver */
 static DECLARE_WAIT_QUEUE_HEAD(g_sep_event);
 
-
-
-/*------------------------------------------------
-  PROTOTYPES
----------------------------------------------------*/
-
-/*
-  this function registers the driver to the file system
-*/
-static int sep_register_driver_to_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);
-
-/*
-  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 copies the cache and resident from their source location into
   destination memory, which is external to Linux VM and is given as
@@ -692,187 +499,595 @@ static unsigned int sep_poll(struct file *filp, poll_table * wait)
 	return mask;
 }
 
+/*
+  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;
+}
+
+/*
+  This function raises interrupt to SEP that signals that is has a new
+	command from HOST
+*/
+static void sep_send_command_handler(void)
+{
+	unsigned long count;
 
-static int sep_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
+	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(void)
 {
-	int error = 0;
+	unsigned long count;
 
-	dbg("------------>SEP Driver: ioctl start\n");
+	dbg("SEP Driver:--------> sep_send_reply_command_handler start\n");
 
-	edbg("SEP Driver: cmd is %x\n", cmd);
+	/* 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");
+}
 
-	/* check that the command is for sep device */
-	if (_IOC_TYPE(cmd) != SEP_IOC_MAGIC_NUMBER)
+/*
+  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;
+	}
 
-	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:
+	/* 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;
-		break;
+		goto end_function;
 	}
-	dbg("SEP Driver:<-------- ioctl end\n");
+	/* 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");
 
-#if !SEP_DRIVER_POLLING_MODE
+	/* get the application address */
+	error = get_user(app_out_address, &(((struct sep_driver_write_t *) arg)->app_address));
+	if (error)
+		goto end_function;
 
-/* handler for flow done interrupt */
+	/* get the virtual kernel address address */
+	error = get_user(virt_address, &(((struct sep_driver_write_t *) arg)->datapool_address));
+	if (error)
+		goto end_function;
 
-static void sep_flow_done_handler(struct work_struct *work)
+	/* 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 releases all the application virtual buffer physical pages,
+	that were previously locked
+*/
+static int sep_free_dma_pages(struct page **page_array_ptr, unsigned long num_pages, unsigned long dirtyFlag)
 {
-	struct sep_flow_context_t *flow_data_ptr;
+	unsigned long count;
 
-	/* obtain the mutex */
-	mutex_lock(&sep_mutex);
+	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]);
+	}
 
-	/* get the pointer to context */
-	flow_data_ptr = (struct sep_flow_context_t *) work;
+	if (page_array_ptr)
+		/* free the array */
+		kfree(page_array_ptr);
 
-	/* free all the current input tables in sep */
-	sep_deallocated_flow_tables(&flow_data_ptr->input_tables_in_process);
+	return 0;
+}
 
-	/* 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);
+/*
+  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)
+{
+	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;
 
-	/* 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);
+	dbg("SEP Driver:--------> sep_lock_kernel_pages start\n");
 
-		sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR2_REG_ADDR, 0x2);
+	/* 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;
 	}
-	mutex_unlock(&sep_mutex);
+
+	/* 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;
 }
+
 /*
-  interrupt handler function
+  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 irqreturn_t sep_inthandler(int irq, void *dev_id)
+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)
 {
-	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 = 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;
 
-	int_error = IRQ_HANDLED;
+	dbg("SEP Driver:--------> sep_lock_user_pages start\n");
 
-	/* 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);
+	/* 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;
 
-	/* 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);
+	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);
 
-		/* find the contex of the flow */
-		error = sep_find_flow_context(flow_id >> 28, &flow_context_ptr);
-		if (error)
-			goto end_function_with_error;
+	/* 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");
 
-		INIT_WORK(&flow_context_ptr->flow_wq, sep_flow_done_handler);
+		error = -ENOMEM;
+		goto end_function;
+	}
 
-		/* queue the work */
-		queue_work(sep_dev->flow_wq_ptr, &flow_context_ptr->flow_wq);
+	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");
 
-	} 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++;
+		error = -ENOMEM;
+		goto end_function_with_error1;
+	}
 
-			/* wake up the waiting process */
-			wake_up(&g_sep_event);
-		} else {
-			int_error = IRQ_NONE;
-			goto end_function;
+	/* 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);
 	}
-end_function_with_error:
-	/* clear the interrupt */
-	sep_write_reg(sep_dev, HW_HOST_ICR_REG_ADDR, reg_val);
+
+	/* 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:
-	return int_error;
+	dbg("SEP Driver:<-------- sep_lock_user_pages 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
+*/
+static 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");
 }
 
-#endif
 
 /*
   This function prepares only input DMA table for synhronic symmetric
@@ -992,86 +1207,6 @@ end_function:
 }
 
 /*
-  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
-*/
-static 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
 */
@@ -1196,629 +1331,412 @@ static int sep_construct_dma_tables_from_lli(struct sep_lli_entry_t *lli_in_arra
 	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
-*/
-static 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
+  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
 */
-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)
+static 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)
 {
-	unsigned long table_count;
-	unsigned long entries_count;
+	/* 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_debug_print_lli_tables start\n");
+	dbg("SEP Driver:--------> sep_prepare_input_output_dma_table 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);
+	/* initialize the pages pointers */
+	sep_dev->in_page_array = 0;
+	sep_dev->out_page_array = 0;
 
-		/* 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);
+	/* 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;
 		}
-
-		/* 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
-*/
-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)
-{
-	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;
+	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);
 
-	/* 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;
+	/* 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;
 	}
 
-	/* 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;
-
+	/* 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:
-	/* release the cache */
-	for (count = 0; count < num_pages; count++)
-		page_cache_release(page_array[count]);
-	kfree(lli_array);
+	kfree(lli_out_array);
 end_function_with_error1:
-	kfree(page_array);
+	kfree(lli_in_array);
 end_function:
-	dbg("SEP Driver:<-------- sep_lock_user_pages end\n");
-	return 0;
+	dbg("SEP Driver:<-------- sep_prepare_input_output_dma_table end result = %d\n", (int) result);
+	return result;
+
 }
 
 /*
-  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
+  this function handles tha request for creation of the DMA table
+  for the synchronic symmetric operations (AES,DES)
 */
-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)
+static int sep_create_sync_dma_tables_handler(unsigned long arg)
 {
-	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;
+	int error;
+	/* command arguments */
+	struct sep_driver_build_sync_table_t command_args;
 
-	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);
+	dbg("SEP Driver:--------> sep_create_sync_dma_tables_handler start\n");
 
-	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;
+	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_build_sync_table_t));
+	if (error)
 		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);
+	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 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;
+	/* 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
-		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);
-		}
+		/* 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);
 
-		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;
+	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_lock_kernel_pages end\n");
-	return 0;
+	dbg("SEP Driver:<-------- sep_create_sync_dma_tables_handler end\n");
+	return error;
 }
 
 /*
-  This function releases all the application virtual buffer physical pages,
-	that were previously locked
+  this function handles the request for freeing dma table for synhronic actions
 */
-static int sep_free_dma_pages(struct page **page_array_ptr, unsigned long num_pages, unsigned long dirtyFlag)
+static int sep_free_dma_table_data_handler(void)
 {
-	unsigned long count;
+	dbg("SEP Driver:--------> sep_free_dma_table_data_handler start\n");
 
-	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]);
-	}
+	/* free input pages array */
+	sep_free_dma_pages(sep_dev->in_page_array, sep_dev->in_num_pages, 0);
 
-	if (page_array_ptr)
-		/* free the array */
-		kfree(page_array_ptr);
+	/* 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 raises interrupt to SEP that signals that is has a new
-	command from HOST
+  this function find a space for the new flow dma table
 */
-static void sep_send_command_handler(void)
+static int sep_find_free_flow_dma_table_space(unsigned long **table_address_ptr)
 {
-	unsigned long count;
+	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;
 
-	dbg("SEP Driver:--------> sep_send_command_handler start\n");
-	sep_set_time(0, 0);
+	/* 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;
 
-	/* flash cache */
-	flush_cache_all();
+	/* 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;
 
-	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)));
+	/* 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;
 
-	/* 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;
-}
+	/* set the pointer to the start address of DMA area */
+	start_table_ptr = (unsigned long *) flow_dma_area_start_addr;
 
-/*
-  This function raises interrupt to SEPm that signals that is has a
-  new command from HOST
-*/
-static void sep_send_reply_command_handler(void)
-{
-	unsigned long count;
+	/* 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;
 
-	dbg("SEP Driver:--------> sep_send_reply_command_handler start\n");
+	/* 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;
 
-	/* 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");
+	return error;
 }
 
 
 
 /*
-  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
+  This function creates one DMA table for flow and returns its data,
+  and pointer to its info entry
 */
-static int sep_allocate_data_pool_memory_handler(unsigned long arg)
+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;
-	struct sep_driver_alloc_t command_args;
-
-	dbg("SEP Driver:--------> sep_allocate_data_pool_memory_handler start\n");
+	/* 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;
 
-	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_alloc_t));
+	/* find the space for the new table */
+	error = sep_find_free_flow_dma_table_space(&start_dma_table_ptr);
 	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;
+	/* 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);
 
-	/* 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;
+	/* set the pointer to page array at the beginning of table - this table is
+	   now considered taken */
+	*start_dma_table_ptr = lli_array_size;
 
-end_function:
-	dbg("SEP Driver:<-------- sep_allocate_data_pool_memory_handler end\n");
-	return error;
-}
+	/* point to the place of the pages pointers of the table */
+	start_dma_table_ptr++;
 
-/*
-  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;
+	/* set the pages pointer */
+	*start_dma_table_ptr = (unsigned long) page_array_ptr;
 
-	dbg("SEP Driver:--------> sep_write_into_data_pool_handler start\n");
+	/* set the pointer to the first entry */
+	flow_dma_table_entry_ptr = (struct sep_lli_entry_t *) (++start_dma_table_ptr);
 
-	/* get the application address */
-	error = get_user(app_in_address, &(((struct sep_driver_write_t *) arg)->app_address));
-	if (error)
-		goto end_function;
+	/* 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;
 
-	/* get the virtual kernel address address */
-	error = get_user(virt_address, &(((struct sep_driver_write_t *) arg)->datapool_address));
-	if (error)
-		goto end_function;
+		flow_dma_table_entry_ptr->block_size = lli_array[entry_count].block_size;
 
-	/* get the number of bytes */
-	error = get_user(num_bytes, &(((struct sep_driver_write_t *) arg)->num_bytes));
-	if (error)
-		goto end_function;
+		/* set the total data of a table */
+		dma_table_data_count += lli_array[entry_count].block_size;
 
-	/* calculate the start of the data pool */
-	data_pool_area_addr = sep_dev->shared_area_addr + SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES;
+		flow_dma_table_entry_ptr++;
+	}
 
+	/* set the physical address */
+	table_data->physical_address = virt_to_phys(start_dma_table_ptr);
 
-	/* 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);
+	/* 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:
-	dbg("SEP Driver:<-------- sep_write_into_data_pool_handler end\n");
 	return error;
 }
 
+
+
 /*
-  this function handles the read from data pool command
+  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_read_from_data_pool_handler(unsigned long arg)
+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;
-	/* 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;
+	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;
 
-	dbg("SEP Driver:--------> sep_read_from_data_pool_handler start\n");
+	/* init vars */
+	error = 0;
+	prev_info_entry_ptr = 0;
 
-	/* get the application address */
-	error = get_user(app_out_address, &(((struct sep_driver_write_t *) arg)->app_address));
-	if (error)
-		goto end_function;
+	/* init the first table to default */
+	table_data.physical_address = 0xffffffff;
+	first_table_data_ptr->physical_address = 0xffffffff;
+	table_data.block_size = 0;
 
-	/* get the virtual kernel address address */
-	error = get_user(virt_address, &(((struct sep_driver_write_t *) arg)->datapool_address));
-	if (error)
-		goto end_function;
+	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 number of bytes */
-	error = get_user(num_bytes, &(((struct sep_driver_write_t *) arg)->num_bytes));
-	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;
 
-	/* calculate the start of the data pool */
-	data_pool_area_addr = sep_dev->shared_area_addr + SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES;
+		/* advance the address to point to the next pair of address|size */
+		first_buff_addr++;
 
-	/* 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;
+		/* 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;
+		}
 	}
 
-	/* copy the application data */
-	error = copy_to_user((void *) app_out_address, (void *) virt_address, num_bytes);
+	/* set the last table data */
+	*last_table_data_ptr = table_data;
 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)
+  this function goes over all the flow tables connected to the given
+	table and deallocate them
 */
-static int sep_create_sync_dma_tables_handler(unsigned long arg)
+static void sep_deallocated_flow_tables(struct sep_lli_entry_t *first_table_ptr)
 {
-	int error;
-	/* command arguments */
-	struct sep_driver_build_sync_table_t command_args;
+	/* 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;
 
-	dbg("SEP Driver:--------> sep_create_sync_dma_tables_handler start\n");
+	/* set the pointer to the first table */
+	table_ptr = (unsigned long *) first_table_ptr->physical_address;
 
-	error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_build_sync_table_t));
-	if (error)
-		goto end_function;
+	/* set the num of entries */
+	num_entries = (first_table_ptr->block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS)
+	    & SEP_NUM_ENTRIES_MASK;
 
-	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);
+	/* go over all the connected tables */
+	while (*table_ptr != 0xffffffff) {
+		/* get number of pages */
+		num_pages = *(table_ptr - 2);
 
-	/* 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);
+		/* get the pointer to the pages */
+		pages_ptr = (struct page **) (*(table_ptr - 1));
 
-	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;
+		/* 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 handles the request for freeing dma table for synhronic actions
+  This function returns pointer to the  flow data structure
+  that contains the given id
 */
-static int sep_free_dma_table_data_handler(void)
+static int sep_find_flow_context(unsigned long flow_id, struct sep_flow_context_t **flow_data_ptr)
 {
-	dbg("SEP Driver:--------> sep_free_dma_table_data_handler start\n");
+	unsigned long count;
+	int error = 0;
 
-	/* free input pages array */
-	sep_free_dma_pages(sep_dev->in_page_array, sep_dev->in_num_pages, 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;
+		}
+	}
 
-	/* 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);
+	if (count == SEP_DRIVER_NUM_FLOWS)
+		/* no flow found  */
+		error = -ENOMEM;
 
-	/* 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;
+	return error;
 }
 
+
 /*
   this function handles the request to create the DMA tables for flow
 */
@@ -2275,328 +2193,223 @@ static int sep_end_transaction_handler(unsigned long arg)
 }
 
 
-
 /*
-  This function creates a list of tables for flow and returns the data for
-	the first and last tables of the list
+  This function handler the set flow id command
 */
-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)
+static int sep_set_flow_id_handler(unsigned long arg)
 {
 	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;
-}
-
+	unsigned long flow_id;
+	struct sep_flow_context_t *flow_data_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)
-{
-	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;
+	dbg("------------>SEP Driver: sep_set_flow_id_handler start\n");
 
-	/* find the space for the new table */
-	error = sep_find_free_flow_dma_table_space(&start_dma_table_ptr);
+	error = get_user(flow_id, &(((struct sep_driver_set_flow_id_t *) arg)->flow_id));
 	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);
-
+	/* 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 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;
+	/* set flow id */
+	flow_data_ptr->flow_id = flow_id;
 
-	/* the array of the lli entries */
-	kfree(lli_array);
 end_function:
+	dbg("SEP Driver:<-------- sep_set_flow_id_handler end\n");
 	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)
+static int sep_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	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;
+	dbg("------------>SEP Driver: ioctl start\n");
 
-	/* 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;
+	edbg("SEP Driver: cmd is %x\n", cmd);
 
-	/* 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;
+	/* check that the command is for sep device */
+	if (_IOC_TYPE(cmd) != SEP_IOC_MAGIC_NUMBER)
+		error = -ENOTTY;
 
-	/* set the pointer to the start address of DMA area */
-	start_table_ptr = (unsigned long *) flow_dma_area_start_addr;
+	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;
+}
 
-	/* 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;
-}
+#if !SEP_DRIVER_POLLING_MODE
 
-/*
-  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;
+/* handler for flow done interrupt */
 
-	/* set the pointer to the first table */
-	table_ptr = (unsigned long *) first_table_ptr->physical_address;
+static void sep_flow_done_handler(struct work_struct *work)
+{
+	struct sep_flow_context_t *flow_data_ptr;
 
-	/* set the num of entries */
-	num_entries = (first_table_ptr->block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS)
-	    & SEP_NUM_ENTRIES_MASK;
+	/* obtain the mutex */
+	mutex_lock(&sep_mutex);
 
-	/* go over all the connected tables */
-	while (*table_ptr != 0xffffffff) {
-		/* get number of pages */
-		num_pages = *(table_ptr - 2);
+	/* get the pointer to context */
+	flow_data_ptr = (struct sep_flow_context_t *) work;
 
-		/* get the pointer to the pages */
-		pages_ptr = (struct page **) (*(table_ptr - 1));
+	/* free all the current input tables in sep */
+	sep_deallocated_flow_tables(&flow_data_ptr->input_tables_in_process);
 
-		/* free the pages */
-		sep_free_dma_pages(pages_ptr, num_pages, 1);
+	/* 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);
 
-		/* goto to the info entry */
-		info_entry_ptr = ((struct sep_lli_entry_t *) table_ptr) + (num_entries - 1);
+	/* 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);
 
-		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;
+		sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR2_REG_ADDR, 0x2);
 	}
-
-	return;
+	mutex_unlock(&sep_mutex);
 }
-
 /*
-  This function handler the set flow id command
+  interrupt handler function
 */
-static int sep_set_flow_id_handler(unsigned long arg)
+static irqreturn_t sep_inthandler(int irq, void *dev_id)
 {
-	int error;
+	irqreturn_t int_error;
+	unsigned long error;
+	unsigned long reg_val;
 	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;
+	struct sep_flow_context_t *flow_context_ptr;
 
-end_function:
-	dbg("SEP Driver:<-------- sep_set_flow_id_handler end\n");
-	return error;
-}
+	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);
 
-/*
-  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;
+	/* 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;
 
-	dbg("SEP Driver:--------> sep_set_time start\n");
+		INIT_WORK(&flow_context_ptr->flow_wq, sep_flow_done_handler);
 
-	do_gettimeofday(&time);
+		/* queue the work */
+		queue_work(sep_dev->flow_wq_ptr, &flow_context_ptr->flow_wq);
 
-	/* set value in the SYSTEM MEMORY offset */
-	time_addr = sep_dev->message_shared_area_addr + SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES;
+	} 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++;
 
-	*(unsigned long *) time_addr = SEP_TIME_VAL_TOKEN;
-	*(unsigned long *) (time_addr + 4) = time.tv_sec;
+			/* 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;
+}
 
-	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);
+#endif
 
-	/* 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)
 {
diff --git a/drivers/staging/sep/sep_driver_api.h b/drivers/staging/sep/sep_driver_api.h
index 4df269809ec1..c9f4e56057fb 100644
--- a/drivers/staging/sep/sep_driver_api.h
+++ b/drivers/staging/sep/sep_driver_api.h
@@ -451,46 +451,4 @@ struct sep_flow_context_t {
 };
 
 
-/*
-	This function releases all the application virtual
-	buffer physical pages, that were previously locked
-*/
-static int sep_free_dma_pages(struct page **page_array_ptr, unsigned long num_pages, unsigned long dirtyFlag);
-
-/*
-	This function creates the input and output dma tables for
-	symmetric operations (AES/DES) according to the block size
-	from LLI arays
-*/
-static 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);
-
-/*
-	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
-*/
-static 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);
-
-/*
-	This function prepares only input DMA table for synhronic symmetric
-	operations (HASH)
-*/
-static 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);
-
-
-/*
-	this function handles the request for freeing dma table for
-	synhronic actions
-*/
-static int sep_free_dma_table_data_handler(void);
-
-
 #endif
diff --git a/drivers/staging/sep/sep_driver_ext_api.h b/drivers/staging/sep/sep_driver_ext_api.h
deleted file mode 100644
index cad90578acbb..000000000000
--- a/drivers/staging/sep/sep_driver_ext_api.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- *
- *  sep_driver_ext_api.h - Security Processor Driver external api definitions
- *
- *  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
- *
- */
-
-#ifndef __SEP_DRIVER_EXT_API_H__
-#define __SEP_DRIVER_EXT_API_H__
-
-
-/* shared variables */
-static int sepDebug;
-
-/*
-this function loads the ROM code in SEP (needed only in the debug mode on FPGA)
-*/
-static void sep_load_rom_code(void);
-
-/*
-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
-*/
-static 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);
-
-/*
-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
-*/
-static 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);
-
-/*
-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
-*/
-static void sep_unmap_and_free_shared_area(unsigned long shared_area_size, unsigned long kernel_shared_area_addr, unsigned long phys_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
-*/
-static unsigned long sep_shared_area_virt_to_phys(unsigned long virt_address);
-
-/*
-This functions returns the vitrual 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
-*/
-static unsigned long sep_shared_area_phys_to_virt(unsigned long phys_address);
-
-#endif /*__SEP_DRIVER_EXT_API_H__*/