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authorAlan Cox <alan@linux.intel.com>2010-12-08 10:57:20 +0000
committerAlan Cox <alan@linux.intel.com>2010-12-08 10:57:20 +0000
commit64ac9ff8638245e80747b17a4f88598c42ba883e (patch)
treec05a2a64155daeaf1cf57d107e920be1c01ad5c4
parent073305e2eedffe0905c4d7859f639a4a03fdc2ba (diff)
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-rw-r--r--drivers/staging/Kconfig2
-rw-r--r--drivers/staging/Makefile1
-rw-r--r--drivers/staging/sep/Kconfig10
-rw-r--r--drivers/staging/sep/Makefile2
-rw-r--r--drivers/staging/sep/TODO8
-rw-r--r--drivers/staging/sep/sep_dev.h110
-rw-r--r--drivers/staging/sep/sep_driver.c2714
-rw-r--r--drivers/staging/sep/sep_driver_api.h425
-rw-r--r--drivers/staging/sep/sep_driver_config.h225
-rw-r--r--drivers/staging/sep/sep_driver_hw_defs.h232
10 files changed, 3729 insertions, 0 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 5eafdf43555..0b0210dc1f4 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -119,6 +119,8 @@ source "drivers/staging/vme/Kconfig"
source "drivers/staging/memrar/Kconfig"
+source "drivers/staging/sep/Kconfig"
+
source "drivers/staging/iio/Kconfig"
source "drivers/staging/zram/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index a97a955c094..62df61d1833 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_FB_UDL) += udlfb/
obj-$(CONFIG_HYPERV) += hv/
obj-$(CONFIG_VME_BUS) += vme/
obj-$(CONFIG_MRST_RAR_HANDLER) += memrar/
+obj-$(CONFIG_DX_SEP) += sep/
obj-$(CONFIG_IIO) += iio/
obj-$(CONFIG_ZRAM) += zram/
obj-$(CONFIG_WLAGS49_H2) += wlags49_h2/
diff --git a/drivers/staging/sep/Kconfig b/drivers/staging/sep/Kconfig
new file mode 100644
index 00000000000..0a9c39c7f2b
--- /dev/null
+++ b/drivers/staging/sep/Kconfig
@@ -0,0 +1,10 @@
+config DX_SEP
+ tristate "Discretix SEP driver"
+# depends on MRST
+ depends on RAR_REGISTER && PCI
+ default y
+ help
+ Discretix SEP driver
+
+ If unsure say M. The compiled module will be
+ called sep_driver.ko
diff --git a/drivers/staging/sep/Makefile b/drivers/staging/sep/Makefile
new file mode 100644
index 00000000000..628d5f91941
--- /dev/null
+++ b/drivers/staging/sep/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_DX_SEP) := sep_driver.o
+
diff --git a/drivers/staging/sep/TODO b/drivers/staging/sep/TODO
new file mode 100644
index 00000000000..ff0e931dab6
--- /dev/null
+++ b/drivers/staging/sep/TODO
@@ -0,0 +1,8 @@
+Todo's so far (from Alan Cox)
+- Fix firmware loading
+- Get firmware into firmware git tree
+- Review and tidy each algorithm function
+- Check whether it can be plugged into any of the kernel crypto API
+ interfaces
+- Do something about the magic shared memory interface and replace it
+ with something saner (in Linux terms)
diff --git a/drivers/staging/sep/sep_dev.h b/drivers/staging/sep/sep_dev.h
new file mode 100644
index 00000000000..9200524bb64
--- /dev/null
+++ b/drivers/staging/sep/sep_dev.h
@@ -0,0 +1,110 @@
+#ifndef __SEP_DEV_H__
+#define __SEP_DEV_H__
+
+/*
+ *
+ * sep_dev.h - Security Processor Device Structures
+ *
+ * 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:
+ *
+ * Alan Cox alan@linux.intel.com
+ *
+ */
+
+struct sep_device {
+ /* pointer to pci dev */
+ struct pci_dev *pdev;
+
+ unsigned long in_use;
+
+ /* address of the shared memory allocated during init for SEP driver
+ (coherent alloc) */
+ void *shared_addr;
+ /* the physical address of the shared area */
+ dma_addr_t shared_bus;
+
+ /* restricted access region (coherent alloc) */
+ dma_addr_t rar_bus;
+ void *rar_addr;
+ /* firmware regions: cache is at rar_addr */
+ unsigned long cache_size;
+
+ /* follows the cache */
+ dma_addr_t resident_bus;
+ unsigned long resident_size;
+ void *resident_addr;
+
+ /* start address of the access to the SEP registers from driver */
+ void __iomem *reg_addr;
+ /* transaction counter that coordinates the transactions between SEP and HOST */
+ unsigned long send_ct;
+ /* counter for the messages from sep */
+ unsigned long reply_ct;
+ /* counter for the number of bytes allocated in the pool for the current
+ transaction */
+ unsigned long data_pool_bytes_allocated;
+
+ /* array of pointers to the pages that represent input data for the synchronic
+ DMA action */
+ struct page **in_page_array;
+
+ /* array of pointers to the pages that represent out data for the synchronic
+ DMA action */
+ struct page **out_page_array;
+
+ /* number of pages in the sep_in_page_array */
+ unsigned long in_num_pages;
+
+ /* number of pages in the sep_out_page_array */
+ unsigned long out_num_pages;
+
+ /* global data for every flow */
+ struct sep_flow_context_t flows[SEP_DRIVER_NUM_FLOWS];
+
+ /* pointer to the workqueue that handles the flow done interrupts */
+ struct workqueue_struct *flow_wq;
+
+};
+
+static struct sep_device *sep_dev;
+
+static inline void sep_write_reg(struct sep_device *dev, int reg, u32 value)
+{
+ void __iomem *addr = dev->reg_addr + reg;
+ writel(value, addr);
+}
+
+static inline u32 sep_read_reg(struct sep_device *dev, int reg)
+{
+ void __iomem *addr = dev->reg_addr + reg;
+ return readl(addr);
+}
+
+/* wait for SRAM write complete(indirect write */
+static inline void sep_wait_sram_write(struct sep_device *dev)
+{
+ u32 reg_val;
+ do
+ reg_val = sep_read_reg(dev, HW_SRAM_DATA_READY_REG_ADDR);
+ while (!(reg_val & 1));
+}
+
+
+#endif
diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c
new file mode 100644
index 00000000000..0332c370fd8
--- /dev/null
+++ b/drivers/staging/sep/sep_driver.c
@@ -0,0 +1,2714 @@
+/*
+ *
+ * sep_driver.c - Security Processor Driver main group of functions
+ *
+ * Copyright(c) 2009 Intel Corporation. All rights reserved.
+ * Copyright(c) 2009 Discretix. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * CONTACTS:
+ *
+ * Mark Allyn mark.a.allyn@intel.com
+ *
+ * CHANGES:
+ *
+ * 2009.06.26 Initial publish
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/cdev.h>
+#include <linux/kdev_t.h>
+#include <linux/mutex.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/poll.h>
+#include <linux/wait.h>
+#include <linux/pci.h>
+#include <linux/firmware.h>
+#include <linux/slab.h>
+#include <asm/ioctl.h>
+#include <linux/ioport.h>
+#include <asm/io.h>
+#include <linux/interrupt.h>
+#include <linux/pagemap.h>
+#include <asm/cacheflush.h>
+#include "sep_driver_hw_defs.h"
+#include "sep_driver_config.h"
+#include "sep_driver_api.h"
+#include "sep_dev.h"
+
+#if SEP_DRIVER_ARM_DEBUG_MODE
+
+#define CRYS_SEP_ROM_length 0x4000
+#define CRYS_SEP_ROM_start_address 0x8000C000UL
+#define CRYS_SEP_ROM_start_address_offset 0xC000UL
+#define SEP_ROM_BANK_register 0x80008420UL
+#define SEP_ROM_BANK_register_offset 0x8420UL
+#define SEP_RAR_IO_MEM_REGION_START_ADDRESS 0x82000000
+
+/*
+ * THESE 2 definitions are specific to the board - must be
+ * defined during integration
+ */
+#define SEP_RAR_IO_MEM_REGION_START_ADDRESS 0xFF0D0000
+
+/* 2M size */
+
+static void sep_load_rom_code(struct sep_device *sep)
+{
+ /* Index variables */
+ unsigned long i, k, j;
+ u32 reg;
+ u32 error;
+ u32 warning;
+
+ /* Loading ROM from SEP_ROM_image.h file */
+ k = sizeof(CRYS_SEP_ROM);
+
+ edbg("SEP Driver: DX_CC_TST_SepRomLoader start\n");
+
+ edbg("SEP Driver: k is %lu\n", k);
+ edbg("SEP Driver: sep->reg_addr is %p\n", sep->reg_addr);
+ edbg("SEP Driver: CRYS_SEP_ROM_start_address_offset is %p\n", CRYS_SEP_ROM_start_address_offset);
+
+ for (i = 0; i < 4; i++) {
+ /* write bank */
+ sep_write_reg(sep, SEP_ROM_BANK_register_offset, i);
+
+ for (j = 0; j < CRYS_SEP_ROM_length / 4; j++) {
+ sep_write_reg(sep, CRYS_SEP_ROM_start_address_offset + 4 * j, CRYS_SEP_ROM[i * 0x1000 + j]);
+
+ k = k - 4;
+
+ if (k == 0) {
+ j = CRYS_SEP_ROM_length;
+ i = 4;
+ }
+ }
+ }
+
+ /* reset the SEP */
+ sep_write_reg(sep, HW_HOST_SEP_SW_RST_REG_ADDR, 0x1);
+
+ /* poll for SEP ROM boot finish */
+ do
+ reg = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR3_REG_ADDR);
+ while (!reg);
+
+ edbg("SEP Driver: ROM polling ended\n");
+
+ switch (reg) {
+ case 0x1:
+ /* fatal error - read erro status from GPRO */
+ error = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+ edbg("SEP Driver: ROM polling case 1\n");
+ break;
+ case 0x4:
+ /* Cold boot ended successfully */
+ case 0x8:
+ /* Warmboot ended successfully */
+ case 0x10:
+ /* ColdWarm boot ended successfully */
+ error = 0;
+ case 0x2:
+ /* Boot First Phase ended */
+ warning = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+ case 0x20:
+ edbg("SEP Driver: ROM polling case %d\n", reg);
+ break;
+ }
+
+}
+
+#else
+static void sep_load_rom_code(struct sep_device *sep) { }
+#endif /* SEP_DRIVER_ARM_DEBUG_MODE */
+
+
+
+/*----------------------------------------
+ DEFINES
+-----------------------------------------*/
+
+#define BASE_ADDRESS_FOR_SYSTEM 0xfffc0000
+#define SEP_RAR_IO_MEM_REGION_SIZE 0x40000
+
+/*--------------------------------------------
+ GLOBAL variables
+--------------------------------------------*/
+
+/* debug messages level */
+static int debug;
+module_param(debug, int , 0);
+MODULE_PARM_DESC(debug, "Flag to enable SEP debug messages");
+
+/* Keep this a single static object for now to keep the conversion easy */
+
+static struct sep_device sep_instance;
+static struct sep_device *sep_dev = &sep_instance;
+
+/*
+ mutex for the access to the internals of the sep driver
+*/
+static DEFINE_MUTEX(sep_mutex);
+
+
+/* wait queue head (event) of the driver */
+static DECLARE_WAIT_QUEUE_HEAD(sep_event);
+
+/**
+ * sep_load_firmware - copy firmware cache/resident
+ * @sep: device we are loading
+ *
+ * This functions copies the cache and resident from their source
+ * location into destination shared memory.
+ */
+
+static int sep_load_firmware(struct sep_device *sep)
+{
+ const struct firmware *fw;
+ char *cache_name = "sep/cache.image.bin";
+ char *res_name = "sep/resident.image.bin";
+ int error;
+
+ edbg("SEP Driver:rar_virtual is %p\n", sep->rar_addr);
+ edbg("SEP Driver:rar_bus is %08llx\n", (unsigned long long)sep->rar_bus);
+
+ /* load cache */
+ error = request_firmware(&fw, cache_name, &sep->pdev->dev);
+ if (error) {
+ edbg("SEP Driver:cant request cache fw\n");
+ return error;
+ }
+ edbg("SEP Driver:cache %08Zx@%p\n", fw->size, (void *) fw->data);
+
+ memcpy(sep->rar_addr, (void *)fw->data, fw->size);
+ sep->cache_size = fw->size;
+ release_firmware(fw);
+
+ sep->resident_bus = sep->rar_bus + sep->cache_size;
+ sep->resident_addr = sep->rar_addr + sep->cache_size;
+
+ /* load resident */
+ error = request_firmware(&fw, res_name, &sep->pdev->dev);
+ if (error) {
+ edbg("SEP Driver:cant request res fw\n");
+ return error;
+ }
+ edbg("sep: res %08Zx@%p\n", fw->size, (void *)fw->data);
+
+ memcpy(sep->resident_addr, (void *) fw->data, fw->size);
+ sep->resident_size = fw->size;
+ release_firmware(fw);
+
+ edbg("sep: resident v %p b %08llx cache v %p b %08llx\n",
+ sep->resident_addr, (unsigned long long)sep->resident_bus,
+ sep->rar_addr, (unsigned long long)sep->rar_bus);
+ return 0;
+}
+
+MODULE_FIRMWARE("sep/cache.image.bin");
+MODULE_FIRMWARE("sep/resident.image.bin");
+
+/**
+ * sep_map_and_alloc_shared_area - allocate shared block
+ * @sep: security processor
+ * @size: size of shared area
+ *
+ * Allocate a shared buffer in host memory that can be used by both the
+ * kernel and also the hardware interface via DMA.
+ */
+
+static int sep_map_and_alloc_shared_area(struct sep_device *sep,
+ unsigned long size)
+{
+ /* shared_addr = ioremap_nocache(0xda00000,shared_area_size); */
+ sep->shared_addr = dma_alloc_coherent(&sep->pdev->dev, size,
+ &sep->shared_bus, GFP_KERNEL);
+
+ if (!sep->shared_addr) {
+ edbg("sep_driver :shared memory dma_alloc_coherent failed\n");
+ return -ENOMEM;
+ }
+ /* set the bus address of the shared area */
+ edbg("sep: shared_addr %ld bytes @%p (bus %08llx)\n",
+ size, sep->shared_addr, (unsigned long long)sep->shared_bus);
+ return 0;
+}
+
+/**
+ * sep_unmap_and_free_shared_area - free shared block
+ * @sep: security processor
+ *
+ * Free the shared area allocated to the security processor. The
+ * processor must have finished with this and any final posted
+ * writes cleared before we do so.
+ */
+static void sep_unmap_and_free_shared_area(struct sep_device *sep, int size)
+{
+ dma_free_coherent(&sep->pdev->dev, size,
+ sep->shared_addr, sep->shared_bus);
+}
+
+/**
+ * sep_shared_virt_to_bus - convert bus/virt addresses
+ *
+ * Returns the bus address inside the shared area according
+ * to the virtual address.
+ */
+
+static dma_addr_t sep_shared_virt_to_bus(struct sep_device *sep,
+ void *virt_address)
+{
+ dma_addr_t pa = sep->shared_bus + (virt_address - sep->shared_addr);
+ edbg("sep: virt to bus b %08llx v %p\n", (unsigned long long) pa,
+ virt_address);
+ return pa;
+}
+
+/**
+ * sep_shared_bus_to_virt - convert bus/virt addresses
+ *
+ * Returns virtual address inside the shared area according
+ * to the bus address.
+ */
+
+static void *sep_shared_bus_to_virt(struct sep_device *sep,
+ dma_addr_t bus_address)
+{
+ return sep->shared_addr + (bus_address - sep->shared_bus);
+}
+
+
+/**
+ * sep_try_open - attempt to open a SEP device
+ * @sep: device to attempt to open
+ *
+ * Atomically attempt to get ownership of a SEP device.
+ * Returns 1 if the device was opened, 0 on failure.
+ */
+
+static int sep_try_open(struct sep_device *sep)
+{
+ if (!test_and_set_bit(0, &sep->in_use))
+ return 1;
+ return 0;
+}
+
+/**
+ * sep_open - device open method
+ * @inode: inode of sep device
+ * @filp: file handle to sep device
+ *
+ * Open method for the SEP device. Called when userspace opens
+ * the SEP device node. Must also release the memory data pool
+ * allocations.
+ *
+ * Returns zero on success otherwise an error code.
+ */
+
+static int sep_open(struct inode *inode, struct file *filp)
+{
+ if (sep_dev == NULL)
+ return -ENODEV;
+
+ /* check the blocking mode */
+ if (filp->f_flags & O_NDELAY) {
+ if (sep_try_open(sep_dev) == 0)
+ return -EAGAIN;
+ } else
+ if (wait_event_interruptible(sep_event, sep_try_open(sep_dev)) < 0)
+ return -EINTR;
+
+ /* Bind to the device, we only have one which makes it easy */
+ filp->private_data = sep_dev;
+ /* release data pool allocations */
+ sep_dev->data_pool_bytes_allocated = 0;
+ return 0;
+}
+
+
+/**
+ * sep_release - close a SEP device
+ * @inode: inode of SEP device
+ * @filp: file handle being closed
+ *
+ * Called on the final close of a SEP device. As the open protects against
+ * multiple simultaenous opens that means this method is called when the
+ * final reference to the open handle is dropped.
+ */
+
+static int sep_release(struct inode *inode, struct file *filp)
+{
+ struct sep_device *sep = filp->private_data;
+#if 0 /*!SEP_DRIVER_POLLING_MODE */
+ /* close IMR */
+ sep_write_reg(sep, HW_HOST_IMR_REG_ADDR, 0x7FFF);
+ /* release IRQ line */
+ free_irq(SEP_DIRVER_IRQ_NUM, sep);
+
+#endif
+ /* Ensure any blocked open progresses */
+ clear_bit(0, &sep->in_use);
+ wake_up(&sep_event);
+ return 0;
+}
+
+/*---------------------------------------------------------------
+ map function - this functions maps the message shared area
+-----------------------------------------------------------------*/
+static int sep_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+ dma_addr_t bus_addr;
+ struct sep_device *sep = filp->private_data;
+
+ dbg("-------->SEP Driver: mmap start\n");
+
+ /* check that the size of the mapped range is as the size of the message
+ shared area */
+ if ((vma->vm_end - vma->vm_start) > SEP_DRIVER_MMMAP_AREA_SIZE) {
+ edbg("SEP Driver mmap requested size is more than allowed\n");
+ printk(KERN_WARNING "SEP Driver mmap requested size is more than allowed\n");
+ printk(KERN_WARNING "SEP Driver vma->vm_end is %08lx\n", vma->vm_end);
+ printk(KERN_WARNING "SEP Driver vma->vm_end is %08lx\n", vma->vm_start);
+ return -EAGAIN;
+ }
+
+ edbg("SEP Driver:sep->shared_addr is %p\n", sep->shared_addr);
+
+ /* get bus address */
+ bus_addr = sep->shared_bus;
+
+ edbg("SEP Driver: phys_addr is %08llx\n", (unsigned long long)bus_addr);
+
+ if (remap_pfn_range(vma, vma->vm_start, bus_addr >> PAGE_SHIFT, vma->vm_end - vma->vm_start, vma->vm_page_prot)) {
+ edbg("SEP Driver remap_page_range failed\n");
+ printk(KERN_WARNING "SEP Driver remap_page_range failed\n");
+ return -EAGAIN;
+ }
+
+ dbg("SEP Driver:<-------- mmap end\n");
+
+ return 0;
+}
+
+
+/*-----------------------------------------------
+ poll function
+*----------------------------------------------*/
+static unsigned int sep_poll(struct file *filp, poll_table * wait)
+{
+ unsigned long count;
+ unsigned int mask = 0;
+ unsigned long retval = 0; /* flow id */
+ struct sep_device *sep = filp->private_data;
+
+ dbg("---------->SEP Driver poll: start\n");
+
+
+#if SEP_DRIVER_POLLING_MODE
+
+ while (sep->send_ct != (retval & 0x7FFFFFFF)) {
+ retval = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR);
+
+ for (count = 0; count < 10 * 4; count += 4)
+ edbg("Poll Debug Word %lu of the message is %lu\n", count, *((unsigned long *) (sep->shared_addr + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES + count)));
+ }
+
+ sep->reply_ct++;
+#else
+ /* add the event to the polling wait table */
+ poll_wait(filp, &sep_event, wait);
+
+#endif
+
+ edbg("sep->send_ct is %lu\n", sep->send_ct);
+ edbg("sep->reply_ct is %lu\n", sep->reply_ct);
+
+ /* check if the data is ready */
+ if (sep->send_ct == sep->reply_ct) {
+ for (count = 0; count < 12 * 4; count += 4)
+ edbg("Sep Mesg Word %lu of the message is %lu\n", count, *((unsigned long *) (sep->shared_addr + count)));
+
+ for (count = 0; count < 10 * 4; count += 4)
+ edbg("Debug Data Word %lu of the message is %lu\n", count, *((unsigned long *) (sep->shared_addr + 0x1800 + count)));
+
+ retval = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR);
+ edbg("retval is %lu\n", retval);
+ /* check if the this is sep reply or request */
+ if (retval >> 31) {
+ edbg("SEP Driver: sep request in\n");
+ /* request */
+ mask |= POLLOUT | POLLWRNORM;
+ } else {
+ edbg("SEP Driver: sep reply in\n");
+ mask |= POLLIN | POLLRDNORM;
+ }
+ }
+ dbg("SEP Driver:<-------- poll exit\n");
+ return mask;
+}
+
+/**
+ * sep_time_address - address in SEP memory of time
+ * @sep: SEP device we want the address from
+ *
+ * Return the address of the two dwords in memory used for time
+ * setting.
+ */
+
+static u32 *sep_time_address(struct sep_device *sep)
+{
+ return sep->shared_addr + SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES;
+}
+
+/**
+ * sep_set_time - set the SEP time
+ * @sep: the SEP we are setting the time for
+ *
+ * Calculates time and sets it at the predefined address.
+ * Called with the sep mutex held.
+ */
+static unsigned long sep_set_time(struct sep_device *sep)
+{
+ struct timeval time;
+ u32 *time_addr; /* address of time as seen by the kernel */
+
+
+ dbg("sep:sep_set_time start\n");
+
+ do_gettimeofday(&time);
+
+ /* set value in the SYSTEM MEMORY offset */
+ time_addr = sep_time_address(sep);
+
+ time_addr[0] = SEP_TIME_VAL_TOKEN;
+ time_addr[1] = time.tv_sec;
+
+ edbg("SEP Driver:time.tv_sec is %lu\n", time.tv_sec);
+ edbg("SEP Driver:time_addr is %p\n", time_addr);
+ edbg("SEP Driver:sep->shared_addr is %p\n", sep->shared_addr);
+
+ return time.tv_sec;
+}
+
+/**
+ * sep_dump_message - dump the message that is pending
+ * @sep: sep device
+ *
+ * Dump out the message pending in the shared message area
+ */
+
+static void sep_dump_message(struct sep_device *sep)
+{
+ int count;
+ for (count = 0; count < 12 * 4; count += 4)
+ edbg("Word %d of the message is %u\n", count, *((u32 *) (sep->shared_addr + count)));
+}
+
+/**
+ * sep_send_command_handler - kick off a command
+ * @sep: sep being signalled
+ *
+ * This function raises interrupt to SEP that signals that is has a new
+ * command from the host
+ */
+
+static void sep_send_command_handler(struct sep_device *sep)
+{
+ dbg("sep:sep_send_command_handler start\n");
+
+ mutex_lock(&sep_mutex);
+ sep_set_time(sep);
+
+ /* FIXME: flush cache */
+ flush_cache_all();
+
+ sep_dump_message(sep);
+ /* update counter */
+ sep->send_ct++;
+ /* send interrupt to SEP */
+ sep_write_reg(sep, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x2);
+ dbg("SEP Driver:<-------- sep_send_command_handler end\n");
+ mutex_unlock(&sep_mutex);
+ return;
+}
+
+/**
+ * sep_send_reply_command_handler - kick off a command reply
+ * @sep: sep being signalled
+ *
+ * This function raises interrupt to SEP that signals that is has a new
+ * command from the host
+ */
+
+static void sep_send_reply_command_handler(struct sep_device *sep)
+{
+ dbg("sep:sep_send_reply_command_handler start\n");
+
+ /* flash cache */
+ flush_cache_all();
+
+ sep_dump_message(sep);
+
+ mutex_lock(&sep_mutex);
+ sep->send_ct++; /* update counter */
+ /* send the interrupt to SEP */
+ sep_write_reg(sep, HW_HOST_HOST_SEP_GPR2_REG_ADDR, sep->send_ct);
+ /* update both counters */
+ sep->send_ct++;
+ sep->reply_ct++;
+ mutex_unlock(&sep_mutex);
+ dbg("sep: sep_send_reply_command_handler end\n");
+}
+
+/*
+ This function handles the allocate data pool memory request
+ This function returns calculates the bus 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(struct sep_device *sep,
+ 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->data_pool_bytes_allocated + command_args.num_bytes) > SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES) {
+ error = -ENOMEM;
+ goto end_function;
+ }
+
+ /* set the virtual and bus address */
+ command_args.offset = SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + sep->data_pool_bytes_allocated;
+ command_args.phys_address = sep->shared_bus + SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + sep->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->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(struct sep_device *sep, unsigned long arg)
+{
+ int error;
+ void *virt_address;
+ unsigned long va;
+ unsigned long app_in_address;
+ unsigned long num_bytes;
+ void *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(va, &(((struct sep_driver_write_t *) arg)->datapool_address));
+ if (error)
+ goto end_function;
+ virt_address = (void *)va;
+
+ /* 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->shared_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 = -EINVAL;
+ goto end_function;
+ }
+ /* copy the application data */
+ error = copy_from_user(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(struct sep_device *sep, unsigned long arg)
+{
+ int error;
+ /* virtual address of dest application buffer */
+ unsigned long app_out_address;
+ /* virtual address of the data pool */
+ unsigned long va;
+ void *virt_address;
+ unsigned long num_bytes;
+ void *data_pool_area_addr;
+
+ dbg("SEP Driver:--------> sep_read_from_data_pool_handler start\n");
+
+ /* get the application address */
+ error = get_user(app_out_address, &(((struct sep_driver_write_t *) arg)->app_address));
+ if (error)
+ goto end_function;
+
+ /* get the virtual kernel address address */
+ error = get_user(va, &(((struct sep_driver_write_t *) arg)->datapool_address));
+ if (error)
+ goto end_function;
+ virt_address = (void *)va;
+
+ /* 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->shared_addr + SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES;
+
+ /* FIXME: These are incomplete all over the driver: what about + len
+ and when doing that also overflows */
+ /* 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 = -EINVAL;
+ goto end_function;
+ }
+
+ /* copy the application data */
+ error = copy_to_user((void *) app_out_address, 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)
+{
+ unsigned long count;
+
+ if (dirtyFlag) {
+ for (count = 0; count < num_pages; count++) {
+ /* the out array was written, therefore the data was changed */
+ if (!PageReserved(page_array_ptr[count]))
+ SetPageDirty(page_array_ptr[count]);
+ page_cache_release(page_array_ptr[count]);
+ }
+ } else {
+ /* free in pages - the data was only read, therefore no update was done
+ on those pages */
+ for (count = 0; count < num_pages; count++)
+ page_cache_release(page_array_ptr[count]);
+ }
+
+ if (page_array_ptr)
+ /* free the array */
+ kfree(page_array_ptr);
+
+ return 0;
+}
+
+/*
+ This function 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(struct sep_device *sep,
+ unsigned long kernel_virt_addr,
+ unsigned long data_size,
+ unsigned long *num_pages_ptr,
+ struct sep_lli_entry_t **lli_array_ptr,
+ struct page ***page_array_ptr)
+{
+ int error = 0;
+ /* the the page of the end address of the user space buffer */
+ unsigned long end_page;
+ /* the page of the start address of the user space buffer */
+ unsigned long start_page;
+ /* the range in pages */
+ unsigned long num_pages;
+ struct sep_lli_entry_t *lli_array;
+ /* next kernel address to map */
+ unsigned long next_kernel_address;
+ unsigned long count;
+
+ dbg("SEP Driver:--------> sep_lock_kernel_pages start\n");
+
+ /* set start and end pages and num pages */
+ end_page = (kernel_virt_addr + data_size - 1) >> PAGE_SHIFT;
+ start_page = kernel_virt_addr >> PAGE_SHIFT;
+ num_pages = end_page - start_page + 1;
+
+ edbg("SEP Driver: kernel_virt_addr is %08lx\n", kernel_virt_addr);
+ edbg("SEP Driver: data_size is %lu\n", data_size);
+ edbg("SEP Driver: start_page is %lx\n", start_page);
+ edbg("SEP Driver: end_page is %lx\n", end_page);
+ edbg("SEP Driver: num_pages is %lu\n", num_pages);
+
+ lli_array = kmalloc(sizeof(struct sep_lli_entry_t) * num_pages, GFP_ATOMIC);
+ if (!lli_array) {
+ edbg("SEP Driver: kmalloc for lli_array failed\n");
+ error = -ENOMEM;
+ goto end_function;
+ }
+
+ /* set the start address of the first page - app data may start not at
+ the beginning of the page */
+ lli_array[0].physical_address = (unsigned long) virt_to_phys((unsigned long *) kernel_virt_addr);
+
+ /* check that not all the data is in the first page only */
+ if ((PAGE_SIZE - (kernel_virt_addr & (~PAGE_MASK))) >= data_size)
+ lli_array[0].block_size = data_size;
+ else
+ lli_array[0].block_size = PAGE_SIZE - (kernel_virt_addr & (~PAGE_MASK));
+
+ /* debug print */
+ dbg("lli_array[0].physical_address is %08lx, lli_array[0].block_size is %lu\n", lli_array[0].physical_address, lli_array[0].block_size);
+
+ /* advance the address to the start of the next page */
+ next_kernel_address = (kernel_virt_addr & PAGE_MASK) + PAGE_SIZE;
+
+ /* go from the second page to the prev before last */
+ for (count = 1; count < (num_pages - 1); count++) {
+ lli_array[count].physical_address = (unsigned long) virt_to_phys((unsigned long *) next_kernel_address);
+ lli_array[count].block_size = PAGE_SIZE;
+
+ edbg("lli_array[%lu].physical_address is %08lx, lli_array[%lu].block_size is %lu\n", count, lli_array[count].physical_address, count, lli_array[count].block_size);
+ next_kernel_address += PAGE_SIZE;
+ }
+
+ /* if more then 1 pages locked - then update for the last page size needed */
+ if (num_pages > 1) {
+ /* update the address of the last page */
+ lli_array[count].physical_address = (unsigned long) virt_to_phys((unsigned long *) next_kernel_address);
+
+ /* set the size of the last page */
+ lli_array[count].block_size = (kernel_virt_addr + data_size) & (~PAGE_MASK);
+
+ if (lli_array[count].block_size == 0) {
+ dbg("app_virt_addr is %08lx\n", kernel_virt_addr);
+ dbg("data_size is %lu\n", data_size);
+ while (1);
+ }
+
+ edbg("lli_array[%lu].physical_address is %08lx, lli_array[%lu].block_size is %lu\n", count, lli_array[count].physical_address, count, lli_array[count].block_size);
+ }
+ /* set output params */
+ *lli_array_ptr = lli_array;
+ *num_pages_ptr = num_pages;
+ *page_array_ptr = 0;
+end_function:
+ dbg("SEP Driver:<-------- sep_lock_kernel_pages end\n");
+ return 0;
+}
+
+/*
+ This function 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(struct sep_device *sep,
+ unsigned long app_virt_addr,
+ unsigned long data_size,
+ unsigned long *num_pages_ptr,
+ struct sep_lli_entry_t **lli_array_ptr,
+ struct page ***page_array_ptr)
+{
+ int error = 0;
+ /* the the page of the end address of the user space buffer */
+ unsigned long end_page;
+ /* the page of the start address of the user space buffer */
+ unsigned long start_page;
+ /* the range in pages */
+ unsigned long num_pages;
+ struct page **page_array;
+ struct sep_lli_entry_t *lli_array;
+ unsigned long count;
+ int result;
+
+ dbg("SEP Driver:--------> sep_lock_user_pages start\n");
+
+ /* set start and end pages and num pages */
+ end_page = (app_virt_addr + data_size - 1) >> PAGE_SHIFT;
+ start_page = app_virt_addr >> PAGE_SHIFT;
+ num_pages = end_page - start_page + 1;
+
+ edbg("SEP Driver: app_virt_addr is %08lx\n", app_virt_addr);
+ edbg("SEP Driver: data_size is %lu\n", data_size);
+ edbg("SEP Driver: start_page is %lu\n", start_page);
+ edbg("SEP Driver: end_page is %lu\n", end_page);
+ edbg("SEP Driver: num_pages is %lu\n", num_pages);
+
+ /* allocate array of pages structure pointers */
+ page_array = kmalloc(sizeof(struct page *) * num_pages, GFP_ATOMIC);
+ if (!page_array) {
+ edbg("SEP Driver: kmalloc for page_array failed\n");
+
+ error = -ENOMEM;
+ goto end_function;
+ }
+
+ lli_array = kmalloc(sizeof(struct sep_lli_entry_t) * num_pages, GFP_ATOMIC);
+ if (!lli_array) {
+ edbg("SEP Driver: kmalloc for lli_array failed\n");
+
+ error = -ENOMEM;
+ goto end_function_with_error1;
+ }
+
+ /* convert the application virtual address into a set of physical */
+ down_read(&current->mm->mmap_sem);
+ result = get_user_pages(current, current->mm, app_virt_addr, num_pages, 1, 0, page_array, 0);
+ up_read(&current->mm->mmap_sem);
+
+ /* check the number of pages locked - if not all then exit with error */
+ if (result != num_pages) {
+ dbg("SEP Driver: not all pages locked by get_user_pages\n");
+
+ error = -ENOMEM;
+ goto end_function_with_error2;
+ }
+
+ /* flush the cache */
+ for (count = 0; count < num_pages; count++)
+ flush_dcache_page(page_array[count]);
+
+ /* set the start address of the first page - app data may start not at
+ the beginning of the page */
+ lli_array[0].physical_address = ((unsigned long) page_to_phys(page_array[0])) + (app_virt_addr & (~PAGE_MASK));
+
+ /* check that not all the data is in the first page only */
+ if ((PAGE_SIZE - (app_virt_addr & (~PAGE_MASK))) >= data_size)
+ lli_array[0].block_size = data_size;
+ else
+ lli_array[0].block_size = PAGE_SIZE - (app_virt_addr & (~PAGE_MASK));
+
+ /* debug print */
+ dbg("lli_array[0].physical_address is %08lx, lli_array[0].block_size is %lu\n", lli_array[0].physical_address, lli_array[0].block_size);
+
+ /* go from the second page to the prev before last */
+ for (count = 1; count < (num_pages - 1); count++) {
+ lli_array[count].physical_address = (unsigned long) page_to_phys(page_array[count]);
+ lli_array[count].block_size = PAGE_SIZE;
+
+ edbg("lli_array[%lu].physical_address is %08lx, lli_array[%lu].block_size is %lu\n", count, lli_array[count].physical_address, count, lli_array[count].block_size);
+ }
+
+ /* if more then 1 pages locked - then update for the last page size needed */
+ if (num_pages > 1) {
+ /* update the address of the last page */
+ lli_array[count].physical_address = (unsigned long) page_to_phys(page_array[count]);
+
+ /* set the size of the last page */
+ lli_array[count].block_size = (app_virt_addr + data_size) & (~PAGE_MASK);
+
+ if (lli_array[count].block_size == 0) {
+ dbg("app_virt_addr is %08lx\n", app_virt_addr);
+ dbg("data_size is %lu\n", data_size);
+ while (1);
+ }
+ edbg("lli_array[%lu].physical_address is %08lx, lli_array[%lu].block_size is %lu\n",
+ count, lli_array[count].physical_address,
+ count, lli_array[count].block_size);
+ }
+
+ /* set output params */
+ *lli_array_ptr = lli_array;
+ *num_pages_ptr = num_pages;
+ *page_array_ptr = page_array;
+ goto end_function;
+
+end_function_with_error2:
+ /* release the cache */
+ for (count = 0; count < num_pages; count++)
+ page_cache_release(page_array[count]);
+ kfree(lli_array);
+end_function_with_error1:
+ kfree(page_array);
+end_function:
+ dbg("SEP Driver:<-------- sep_lock_user_pages end\n");
+ return 0;
+}
+
+
+/*
+ this function 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_device *sep, 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_bus_to_virt(sep, (unsigned long) lli_table_ptr);
+
+ table_count++;
+ }
+ dbg("SEP Driver:<-------- sep_debug_print_lli_tables end\n");
+}
+
+
+/*
+ This function prepares only input DMA table for synhronic symmetric
+ operations (HASH)
+*/
+static int sep_prepare_input_dma_table(struct sep_device *sep,
+ unsigned long app_virt_addr,
+ unsigned long data_size,
+ unsigned long block_size,
+ unsigned long *lli_table_ptr,
+ unsigned long *num_entries_ptr,
+ unsigned long *table_data_size_ptr,
+ bool isKernelVirtualAddress)
+{
+ /* pointer to the info entry of the table - the last entry */
+ struct sep_lli_entry_t *info_entry_ptr;
+ /* array of pointers ot page */
+ struct sep_lli_entry_t *lli_array_ptr;
+ /* points to the first entry to be processed in the lli_in_array */
+ unsigned long current_entry;
+ /* num entries in the virtual buffer */
+ unsigned long sep_lli_entries;
+ /* lli table pointer */
+ struct sep_lli_entry_t *in_lli_table_ptr;
+ /* the total data in one table */
+ unsigned long table_data_size;
+ /* number of entries in lli table */
+ unsigned long num_entries_in_table;
+ /* next table address */
+ void *lli_table_alloc_addr;
+ unsigned long result;
+
+ dbg("SEP Driver:--------> sep_prepare_input_dma_table start\n");
+
+ edbg("SEP Driver:data_size is %lu\n", data_size);
+ edbg("SEP Driver:block_size is %lu\n", block_size);
+
+ /* initialize the pages pointers */
+ sep->in_page_array = 0;
+ sep->in_num_pages = 0;
+
+ if (data_size == 0) {
+ /* special case - created 2 entries table with zero data */
+ in_lli_table_ptr = (struct sep_lli_entry_t *) (sep->shared_addr + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES);
+ /* FIXME: Should the entry below not be for _bus */
+ in_lli_table_ptr->physical_address = (unsigned long)sep->shared_addr + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+ in_lli_table_ptr->block_size = 0;
+
+ in_lli_table_ptr++;
+ in_lli_table_ptr->physical_address = 0xFFFFFFFF;
+ in_lli_table_ptr->block_size = 0;
+
+ *lli_table_ptr = sep->shared_bus + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+ *num_entries_ptr = 2;
+ *table_data_size_ptr = 0;
+
+ goto end_function;
+ }
+
+ /* check if the pages are in Kernel Virtual Address layout */
+ if (isKernelVirtualAddress == true)
+ /* lock the pages of the kernel buffer and translate them to pages */
+ result = sep_lock_kernel_pages(sep, app_virt_addr, data_size, &sep->in_num_pages, &lli_array_ptr, &sep->in_page_array);
+ else
+ /* lock the pages of the user buffer and translate them to pages */
+ result = sep_lock_user_pages(sep, app_virt_addr, data_size, &sep->in_num_pages, &lli_array_ptr, &sep->in_page_array);
+
+ if (result)
+ return result;
+
+ edbg("SEP Driver:output sep->in_num_pages is %lu\n", sep->in_num_pages);
+
+ current_entry = 0;
+ info_entry_ptr = 0;
+ sep_lli_entries = sep->in_num_pages;
+
+ /* initiate to point after the message area */
+ lli_table_alloc_addr = sep->shared_addr + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+
+ /* loop till all the entries in in array are not processed */
+ while (current_entry < sep_lli_entries) {
+ /* set the new input and output tables */
+ in_lli_table_ptr = (struct sep_lli_entry_t *) lli_table_alloc_addr;
+
+ lli_table_alloc_addr += sizeof(struct sep_lli_entry_t) * SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP;
+
+ /* calculate the maximum size of data for input table */
+ table_data_size = sep_calculate_lli_table_max_size(&lli_array_ptr[current_entry], (sep_lli_entries - current_entry));
+
+ /* now calculate the table size so that it will be module block size */
+ table_data_size = (table_data_size / block_size) * block_size;
+
+ edbg("SEP Driver:output table_data_size is %lu\n", table_data_size);
+
+ /* construct input lli table */
+ sep_build_lli_table(&lli_array_ptr[current_entry], in_lli_table_ptr, &current_entry, &num_entries_in_table, table_data_size);
+
+ if (info_entry_ptr == 0) {
+ /* set the output parameters to physical addresses */
+ *lli_table_ptr = sep_shared_virt_to_bus(sep, in_lli_table_ptr);
+ *num_entries_ptr = num_entries_in_table;
+ *table_data_size_ptr = table_data_size;
+
+ edbg("SEP Driver:output lli_table_in_ptr is %08lx\n", *lli_table_ptr);
+ } else {
+ /* update the info entry of the previous in table */
+ info_entry_ptr->physical_address = sep_shared_virt_to_bus(sep, in_lli_table_ptr);
+ info_entry_ptr->block_size = ((num_entries_in_table) << 24) | (table_data_size);
+ }
+
+ /* save the pointer to the info entry of the current tables */
+ info_entry_ptr = in_lli_table_ptr + num_entries_in_table - 1;
+ }
+
+ /* print input tables */
+ sep_debug_print_lli_tables(sep, (struct sep_lli_entry_t *)
+ sep_shared_bus_to_virt(sep, *lli_table_ptr), *num_entries_ptr, *table_data_size_ptr);
+
+ /* the array of the pages */
+ kfree(lli_array_ptr);
+end_function:
+ dbg("SEP Driver:<-------- sep_prepare_input_dma_table end\n");
+ return 0;
+
+}
+
+/*
+ This function 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_device *sep,
+ struct sep_lli_entry_t *lli_in_array,
+ unsigned long sep_in_lli_entries,
+ struct sep_lli_entry_t *lli_out_array,
+ unsigned long sep_out_lli_entries,
+ unsigned long block_size, unsigned long *lli_table_in_ptr, unsigned long *lli_table_out_ptr, unsigned long *in_num_entries_ptr, unsigned long *out_num_entries_ptr, unsigned long *table_data_size_ptr)
+{
+ /* points to the area where next lli table can be allocated: keep void *
+ as there is pointer scaling to fix otherwise */
+ void *lli_table_alloc_addr;
+ /* input lli table */
+ struct sep_lli_entry_t *in_lli_table_ptr;
+ /* output lli table */
+ struct sep_lli_entry_t *out_lli_table_ptr;
+ /* pointer to the info entry of the table - the last entry */
+ struct sep_lli_entry_t *info_in_entry_ptr;
+ /* pointer to the info entry of the table - the last entry */
+ struct sep_lli_entry_t *info_out_entry_ptr;
+ /* points to the first entry to be processed in the lli_in_array */
+ unsigned long current_in_entry;
+ /* points to the first entry to be processed in the lli_out_array */
+ unsigned long current_out_entry;
+ /* max size of the input table */
+ unsigned long in_table_data_size;
+ /* max size of the output table */
+ unsigned long out_table_data_size;
+ /* flag te signifies if this is the first tables build from the arrays */
+ unsigned long first_table_flag;
+ /* the data size that should be in table */
+ unsigned long table_data_size;
+ /* number of etnries in the input table */
+ unsigned long num_entries_in_table;
+ /* number of etnries in the output table */
+ unsigned long num_entries_out_table;
+
+ dbg("SEP Driver:--------> sep_construct_dma_tables_from_lli start\n");
+
+ /* initiate to pint after the message area */
+ lli_table_alloc_addr = sep->shared_addr + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+
+ current_in_entry = 0;
+ current_out_entry = 0;
+ first_table_flag = 1;
+ info_in_entry_ptr = 0;
+ info_out_entry_ptr = 0;
+
+ /* loop till all the entries in in array are not processed */
+ while (current_in_entry < sep_in_lli_entries) {
+ /* set the new input and output tables */
+ in_lli_table_ptr = (struct sep_lli_entry_t *) lli_table_alloc_addr;
+
+ lli_table_alloc_addr += sizeof(struct sep_lli_entry_t) * SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP;
+
+ /* set the first output tables */
+ out_lli_table_ptr = (struct sep_lli_entry_t *) lli_table_alloc_addr;
+
+ lli_table_alloc_addr += sizeof(struct sep_lli_entry_t) * SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP;
+
+ /* calculate the maximum size of data for input table */
+ in_table_data_size = sep_calculate_lli_table_max_size(&lli_in_array[current_in_entry], (sep_in_lli_entries - current_in_entry));
+
+ /* calculate the maximum size of data for output table */
+ out_table_data_size = sep_calculate_lli_table_max_size(&lli_out_array[current_out_entry], (sep_out_lli_entries - current_out_entry));
+
+ edbg("SEP Driver:in_table_data_size is %lu\n", in_table_data_size);
+ edbg("SEP Driver:out_table_data_size is %lu\n", out_table_data_size);
+
+ /* check where the data is smallest */
+ table_data_size = in_table_data_size;
+ if (table_data_size > out_table_data_size)
+ table_data_size = out_table_data_size;
+
+ /* now calculate the table size so that it will be module block size */
+ table_data_size = (table_data_size / block_size) * block_size;
+
+ dbg("SEP Driver:table_data_size is %lu\n", table_data_size);
+
+ /* construct input lli table */
+ sep_build_lli_table(&lli_in_array[current_in_entry], in_lli_table_ptr, &current_in_entry, &num_entries_in_table, table_data_size);
+
+ /* construct output lli table */
+ sep_build_lli_table(&lli_out_array[current_out_entry], out_lli_table_ptr, &current_out_entry, &num_entries_out_table, table_data_size);
+
+ /* if info entry is null - this is the first table built */
+ if (info_in_entry_ptr == 0) {
+ /* set the output parameters to physical addresses */
+ *lli_table_in_ptr = sep_shared_virt_to_bus(sep, in_lli_table_ptr);
+ *in_num_entries_ptr = num_entries_in_table;
+ *lli_table_out_ptr = sep_shared_virt_to_bus(sep, out_lli_table_ptr);
+ *out_num_entries_ptr = num_entries_out_table;
+ *table_data_size_ptr = table_data_size;
+
+ edbg("SEP Driver:output lli_table_in_ptr is %08lx\n", *lli_table_in_ptr);
+ edbg("SEP Driver:output lli_table_out_ptr is %08lx\n", *lli_table_out_ptr);
+ } else {
+ /* update the info entry of the previous in table */
+ info_in_entry_ptr->physical_address = sep_shared_virt_to_bus(sep, in_lli_table_ptr);
+ info_in_entry_ptr->block_size = ((num_entries_in_table) << 24) | (table_data_size);
+
+ /* update the info entry of the previous in table */
+ info_out_entry_ptr->physical_address = sep_shared_virt_to_bus(sep, out_lli_table_ptr);
+ info_out_entry_ptr->block_size = ((num_entries_out_table) << 24) | (table_data_size);
+ }
+
+ /* save the pointer to the info entry of the current tables */
+ info_in_entry_ptr = in_lli_table_ptr + num_entries_in_table - 1;
+ info_out_entry_ptr = out_lli_table_ptr + num_entries_out_table - 1;
+
+ edbg("SEP Driver:output num_entries_out_table is %lu\n", (unsigned long) num_entries_out_table);
+ edbg("SEP Driver:output info_in_entry_ptr is %lu\n", (unsigned long) info_in_entry_ptr);
+ edbg("SEP Driver:output info_out_entry_ptr is %lu\n", (unsigned long) info_out_entry_ptr);
+ }
+
+ /* print input tables */
+ sep_debug_print_lli_tables(sep, (struct sep_lli_entry_t *)
+ sep_shared_bus_to_virt(sep, *lli_table_in_ptr), *in_num_entries_ptr, *table_data_size_ptr);
+ /* print output tables */
+ sep_debug_print_lli_tables(sep, (struct sep_lli_entry_t *)
+ sep_shared_bus_to_virt(sep, *lli_table_out_ptr), *out_num_entries_ptr, *table_data_size_ptr);
+ dbg("SEP Driver:<-------- sep_construct_dma_tables_from_lli end\n");
+ return 0;
+}
+
+
+/*
+ This function 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(struct sep_device *sep,
+ 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->in_page_array = 0;
+ sep->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(sep, app_virt_in_addr, data_size, &sep->in_num_pages, &lli_in_array, &sep->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(sep, app_virt_in_addr, data_size, &sep->in_num_pages, &lli_in_array, &sep->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(sep, app_virt_out_addr, data_size, &sep->out_num_pages, &lli_out_array, &sep->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(sep, app_virt_out_addr, data_size, &sep->out_num_pages, &lli_out_array, &sep->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->in_num_pages is %lu\n", sep->in_num_pages);
+ edbg("sep->out_num_pages is %lu\n", sep->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(sep, lli_in_array, sep->in_num_pages, lli_out_array, sep->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 handles tha request for creation of the DMA table
+ for the synchronic symmetric operations (AES,DES)
+*/
+static int sep_create_sync_dma_tables_handler(struct sep_device *sep,
+ unsigned long arg)
+{
+ int error;
+ /* command arguments */
+ struct sep_driver_build_sync_table_t command_args;
+
+ dbg("SEP Driver:--------> sep_create_sync_dma_tables_handler start\n");
+
+ error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_build_sync_table_t));
+ if (error)
+ goto end_function;
+
+ edbg("app_in_address is %08lx\n", command_args.app_in_address);
+ edbg("app_out_address is %08lx\n", command_args.app_out_address);
+ edbg("data_size is %lu\n", command_args.data_in_size);
+ edbg("block_size is %lu\n", command_args.block_size);
+
+ /* check if we need to build only input table or input/output */
+ if (command_args.app_out_address)
+ /* prepare input and output tables */
+ error = sep_prepare_input_output_dma_table(sep,
+ 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(sep,
+ command_args.app_in_address,
+ command_args.data_in_size, command_args.block_size, &command_args.in_table_address, &command_args.in_table_num_entries, &command_args.table_data_size, command_args.isKernelVirtualAddress);
+
+ if (error)
+ goto end_function;
+ /* copy to user */
+ if (copy_to_user((void *) arg, (void *) &command_args, sizeof(struct sep_driver_build_sync_table_t)))
+ error = -EFAULT;
+end_function:
+ dbg("SEP Driver:<-------- sep_create_sync_dma_tables_handler end\n");
+ return error;
+}
+
+/*
+ this function handles the request for freeing dma table for synhronic actions
+*/
+static int sep_free_dma_table_data_handler(struct sep_device *sep)
+{
+ dbg("SEP Driver:--------> sep_free_dma_table_data_handler start\n");
+
+ /* free input pages array */
+ sep_free_dma_pages(sep->in_page_array, sep->in_num_pages, 0);
+
+ /* free output pages array if needed */
+ if (sep->out_page_array)
+ sep_free_dma_pages(sep->out_page_array, sep->out_num_pages, 1);
+
+ /* reset all the values */
+ sep->in_page_array = 0;
+ sep->out_page_array = 0;
+ sep->in_num_pages = 0;
+ sep->out_num_pages = 0;
+ dbg("SEP Driver:<-------- sep_free_dma_table_data_handler end\n");
+ return 0;
+}
+
+/*
+ this function find a space for the new flow dma table
+*/
+static int sep_find_free_flow_dma_table_space(struct sep_device *sep,
+ unsigned long **table_address_ptr)
+{
+ int error = 0;
+ /* pointer to the id field of the flow dma table */
+ unsigned long *start_table_ptr;
+ /* Do not make start_addr unsigned long * unless fixing the offset
+ computations ! */
+ void *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->shared_addr + SEP_DRIVER_FLOW_DMA_TABLES_AREA_OFFSET_IN_BYTES;
+
+ /* set end address of the flow table area */
+ flow_dma_area_end_addr = flow_dma_area_start_addr + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES;
+
+ /* set table size in words */
+ table_size_in_words = SEP_DRIVER_MAX_FLOW_NUM_ENTRIES_IN_TABLE * (sizeof(struct sep_lli_entry_t) / sizeof(long)) + 2;
+
+ /* set the pointer to the start address of DMA area */
+ start_table_ptr = flow_dma_area_start_addr;
+
+ /* find the space for the next table */
+ while (((*start_table_ptr & 0x7FFFFFFF) != 0) && 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 (start_table_ptr >= flow_dma_area_end_addr)
+ error = -1;
+ else
+ *table_address_ptr = start_table_ptr;
+
+ return error;
+}
+
+/*
+ This function creates one DMA table for flow and returns its data,
+ and pointer to its info entry
+*/
+static int sep_prepare_one_flow_dma_table(struct sep_device *sep,
+ unsigned long virt_buff_addr,
+ unsigned long virt_buff_size,
+ struct sep_lli_entry_t *table_data,
+ struct sep_lli_entry_t **info_entry_ptr,
+ struct sep_flow_context_t *flow_data_ptr,
+ bool isKernelVirtualAddress)
+{
+ int error;
+ /* the range in pages */
+ unsigned long lli_array_size;
+ struct sep_lli_entry_t *lli_array;
+ struct sep_lli_entry_t *flow_dma_table_entry_ptr;
+ unsigned long *start_dma_table_ptr;
+ /* total table data counter */
+ unsigned long dma_table_data_count;
+ /* pointer that will keep the pointer to the pages of the virtual buffer */
+ struct page **page_array_ptr;
+ unsigned long entry_count;
+
+ /* find the space for the new table */
+ error = sep_find_free_flow_dma_table_space(sep, &start_dma_table_ptr);
+ if (error)
+ goto end_function;
+
+ /* check if the pages are in Kernel Virtual Address layout */
+ if (isKernelVirtualAddress == true)
+ /* lock kernel buffer in the memory */
+ error = sep_lock_kernel_pages(sep, 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(sep, virt_buff_addr, virt_buff_size, &lli_array_size, &lli_array, &page_array_ptr);
+
+ if (error)
+ goto end_function;
+
+ /* set the pointer to page array at the beginning of table - this table is
+ now considered taken */
+ *start_dma_table_ptr = lli_array_size;
+
+ /* point to the place of the pages pointers of the table */
+ start_dma_table_ptr++;
+
+ /* set the pages pointer */
+ *start_dma_table_ptr = (unsigned long) page_array_ptr;
+
+ /* set the pointer to the first entry */
+ flow_dma_table_entry_ptr = (struct sep_lli_entry_t *) (++start_dma_table_ptr);
+
+ /* now create the entries for table */
+ for (dma_table_data_count = entry_count = 0; entry_count < lli_array_size; entry_count++) {
+ flow_dma_table_entry_ptr->physical_address = lli_array[entry_count].physical_address;
+
+ flow_dma_table_entry_ptr->block_size = lli_array[entry_count].block_size;
+
+ /* set the total data of a table */
+ dma_table_data_count += lli_array[entry_count].block_size;
+
+ flow_dma_table_entry_ptr++;
+ }
+
+ /* set the physical address */
+ table_data->physical_address = virt_to_phys(start_dma_table_ptr);
+
+ /* set the num_entries and total data size */
+ table_data->block_size = ((lli_array_size + 1) << SEP_NUM_ENTRIES_OFFSET_IN_BITS) | (dma_table_data_count);
+
+ /* set the info entry */
+ flow_dma_table_entry_ptr->physical_address = 0xffffffff;
+ flow_dma_table_entry_ptr->block_size = 0;
+
+ /* set the pointer to info entry */
+ *info_entry_ptr = flow_dma_table_entry_ptr;
+
+ /* the array of the lli entries */
+ kfree(lli_array);
+end_function:
+ return error;
+}
+
+
+
+/*
+ This function 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(struct sep_device *sep,
+ unsigned long num_virtual_buffers,
+ unsigned long first_buff_addr, struct sep_flow_context_t *flow_data_ptr, struct sep_lli_entry_t *first_table_data_ptr, struct sep_lli_entry_t *last_table_data_ptr, bool isKernelVirtualAddress)
+{
+ int error;
+ unsigned long virt_buff_addr;
+ unsigned long virt_buff_size;
+ struct sep_lli_entry_t table_data;
+ struct sep_lli_entry_t *info_entry_ptr;
+ struct sep_lli_entry_t *prev_info_entry_ptr;
+ unsigned long i;
+
+ /* init vars */
+ error = 0;
+ prev_info_entry_ptr = 0;
+
+ /* init the first table to default */
+ table_data.physical_address = 0xffffffff;
+ first_table_data_ptr->physical_address = 0xffffffff;
+ table_data.block_size = 0;
+
+ for (i = 0; i < num_virtual_buffers; i++) {
+ /* get the virtual buffer address */
+ error = get_user(virt_buff_addr, &first_buff_addr);
+ if (error)
+ goto end_function;
+
+ /* get the virtual buffer size */
+ first_buff_addr++;
+ error = get_user(virt_buff_size, &first_buff_addr);
+ if (error)
+ goto end_function;
+
+ /* advance the address to point to the next pair of address|size */
+ first_buff_addr++;
+
+ /* now prepare the one flow LLI table from the data */
+ error = sep_prepare_one_flow_dma_table(sep, virt_buff_addr, virt_buff_size, &table_data, &info_entry_ptr, flow_data_ptr, isKernelVirtualAddress);
+ if (error)
+ goto end_function;
+
+ if (i == 0) {
+ /* if this is the first table - save it to return to the user
+ application */
+ *first_table_data_ptr = table_data;
+
+ /* set the pointer to info entry */
+ prev_info_entry_ptr = info_entry_ptr;
+ } else {
+ /* not first table - the previous table info entry should
+ be updated */
+ prev_info_entry_ptr->block_size = (0x1 << SEP_INT_FLAG_OFFSET_IN_BITS) | (table_data.block_size);
+
+ /* set the pointer to info entry */
+ prev_info_entry_ptr = info_entry_ptr;
+ }
+ }
+
+ /* set the last table data */
+ *last_table_data_ptr = table_data;
+end_function:
+ return error;
+}
+
+/*
+ this function goes over all the flow tables connected to the given
+ table and deallocate them
+*/
+static void sep_deallocated_flow_tables(struct sep_lli_entry_t *first_table_ptr)
+{
+ /* id pointer */
+ unsigned long *table_ptr;
+ /* end address of the flow dma area */
+ unsigned long num_entries;
+ unsigned long num_pages;
+ struct page **pages_ptr;
+ /* maximum table size in words */
+ struct sep_lli_entry_t *info_entry_ptr;
+
+ /* set the pointer to the first table */
+ table_ptr = (unsigned long *) first_table_ptr->physical_address;
+
+ /* set the num of entries */
+ num_entries = (first_table_ptr->block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS)
+ & SEP_NUM_ENTRIES_MASK;
+
+ /* go over all the connected tables */
+ while (*table_ptr != 0xffffffff) {
+ /* get number of pages */
+ num_pages = *(table_ptr - 2);
+
+ /* get the pointer to the pages */
+ pages_ptr = (struct page **) (*(table_ptr - 1));
+
+ /* free the pages */
+ sep_free_dma_pages(pages_ptr, num_pages, 1);
+
+ /* goto to the info entry */
+ info_entry_ptr = ((struct sep_lli_entry_t *) table_ptr) + (num_entries - 1);
+
+ table_ptr = (unsigned long *) info_entry_ptr->physical_address;
+ num_entries = (info_entry_ptr->block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK;
+ }
+
+ return;
+}
+
+/**
+ * sep_find_flow_context - find a flow
+ * @sep: the SEP we are working with
+ * @flow_id: flow identifier
+ *
+ * Returns a pointer the matching flow, or NULL if the flow does not
+ * exist.
+ */
+
+static struct sep_flow_context_t *sep_find_flow_context(struct sep_device *sep,
+ unsigned long flow_id)
+{
+ int count;
+ /*
+ * 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->flows[count].flow_id == flow_id)
+ return &sep->flows[count];
+ }
+ return NULL;
+}
+
+
+/*
+ this function handles the request to create the DMA tables for flow
+*/
+static int sep_create_flow_dma_tables_handler(struct sep_device *sep,
+ unsigned long arg)
+{
+ int error = -ENOENT;
+ struct sep_driver_build_flow_table_t command_args;
+ /* first table - output */
+ struct sep_lli_entry_t first_table_data;
+ /* dma table data */
+ struct sep_lli_entry_t last_table_data;
+ /* pointer to the info entry of the previuos DMA table */
+ struct sep_lli_entry_t *prev_info_entry_ptr;
+ /* pointer to the flow data strucutre */
+ struct sep_flow_context_t *flow_context_ptr;
+
+ dbg("SEP Driver:--------> sep_create_flow_dma_tables_handler start\n");
+
+ /* init variables */
+ prev_info_entry_ptr = 0;
+ first_table_data.physical_address = 0xffffffff;
+
+ /* find the free structure for flow data */
+ error = -EINVAL;
+ flow_context_ptr = sep_find_flow_context(sep, SEP_FREE_FLOW_ID);
+ if (flow_context_ptr == NULL)
+ goto end_function;
+
+ error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_build_flow_table_t));
+ if (error)
+ goto end_function;
+
+ /* create flow tables */
+ error = sep_prepare_flow_dma_tables(sep, command_args.num_virtual_buffers, command_args.virt_buff_data_addr, flow_context_ptr, &first_table_data, &last_table_data, command_args.isKernelVirtualAddress);
+ if (error)
+ goto end_function_with_error;
+
+ /* check if flow is static */
+ if (!command_args.flow_type)
+ /* point the info entry of the last to the info entry of the first */
+ last_table_data = first_table_data;
+
+ /* set output params */
+ command_args.first_table_addr = first_table_data.physical_address;
+ command_args.first_table_num_entries = ((first_table_data.block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK);
+ command_args.first_table_data_size = (first_table_data.block_size & SEP_TABLE_DATA_SIZE_MASK);
+
+ /* send the parameters to user application */
+ error = copy_to_user((void *) arg, &command_args, sizeof(struct sep_driver_build_flow_table_t));
+ if (error)
+ goto end_function_with_error;
+
+ /* all the flow created - update the flow entry with temp id */
+ flow_context_ptr->flow_id = SEP_TEMP_FLOW_ID;
+
+ /* set the processing tables data in the context */
+ if (command_args.input_output_flag == SEP_DRIVER_IN_FLAG)
+ flow_context_ptr->input_tables_in_process = first_table_data;
+ else
+ flow_context_ptr->output_tables_in_process = first_table_data;
+
+ goto end_function;
+
+end_function_with_error:
+ /* free the allocated tables */
+ sep_deallocated_flow_tables(&first_table_data);
+end_function:
+ dbg("SEP Driver:<-------- sep_create_flow_dma_tables_handler end\n");
+ return error;
+}
+
+/*
+ this function handles add tables to flow
+*/
+static int sep_add_flow_tables_handler(struct sep_device *sep, unsigned long arg)
+{
+ int error;
+ unsigned long num_entries;
+ struct sep_driver_add_flow_table_t command_args;
+ struct sep_flow_context_t *flow_context_ptr;
+ /* first dma table data */
+ struct sep_lli_entry_t first_table_data;
+ /* last dma table data */
+ struct sep_lli_entry_t last_table_data;
+ /* pointer to the info entry of the current DMA table */
+ struct sep_lli_entry_t *info_entry_ptr;
+
+ dbg("SEP Driver:--------> sep_add_flow_tables_handler start\n");
+
+ /* get input parameters */
+ error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_add_flow_table_t));
+ if (error)
+ goto end_function;
+
+ /* find the flow structure for the flow id */
+ flow_context_ptr = sep_find_flow_context(sep, command_args.flow_id);
+ if (flow_context_ptr == NULL)
+ goto end_function;
+
+ /* prepare the flow dma tables */
+ error = sep_prepare_flow_dma_tables(sep, command_args.num_virtual_buffers, command_args.virt_buff_data_addr, flow_context_ptr, &first_table_data, &last_table_data, command_args.isKernelVirtualAddress);
+ if (error)
+ goto end_function_with_error;
+
+ /* now check if there is already an existing add table for this flow */
+ if (command_args.inputOutputFlag == SEP_DRIVER_IN_FLAG) {
+ /* this buffer was for input buffers */
+ if (flow_context_ptr->input_tables_flag) {
+ /* add table already exists - add the new tables to the end
+ of the previous */
+ num_entries = (flow_context_ptr->last_input_table.block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK;
+
+ info_entry_ptr = (struct sep_lli_entry_t *)
+ (flow_context_ptr->last_input_table.physical_address + (sizeof(struct sep_lli_entry_t) * (num_entries - 1)));
+
+ /* connect to list of tables */
+ *info_entry_ptr = first_table_data;
+
+ /* set the first table data */
+ first_table_data = flow_context_ptr->first_input_table;
+ } else {
+ /* set the input flag */
+ flow_context_ptr->input_tables_flag = 1;
+
+ /* set the first table data */
+ flow_context_ptr->first_input_table = first_table_data;
+ }
+ /* set the last table data */
+ flow_context_ptr->last_input_table = last_table_data;
+ } else { /* this is output tables */
+
+ /* this buffer was for input buffers */
+ if (flow_context_ptr->output_tables_flag) {
+ /* add table already exists - add the new tables to
+ the end of the previous */
+ num_entries = (flow_context_ptr->last_output_table.block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK;
+
+ info_entry_ptr = (struct sep_lli_entry_t *)
+ (flow_context_ptr->last_output_table.physical_address + (sizeof(struct sep_lli_entry_t) * (num_entries - 1)));
+
+ /* connect to list of tables */
+ *info_entry_ptr = first_table_data;
+
+ /* set the first table data */
+ first_table_data = flow_context_ptr->first_output_table;
+ } else {
+ /* set the input flag */
+ flow_context_ptr->output_tables_flag = 1;
+
+ /* set the first table data */
+ flow_context_ptr->first_output_table = first_table_data;
+ }
+ /* set the last table data */
+ flow_context_ptr->last_output_table = last_table_data;
+ }
+
+ /* set output params */
+ command_args.first_table_addr = first_table_data.physical_address;
+ command_args.first_table_num_entries = ((first_table_data.block_size >> SEP_NUM_ENTRIES_OFFSET_IN_BITS) & SEP_NUM_ENTRIES_MASK);
+ command_args.first_table_data_size = (first_table_data.block_size & SEP_TABLE_DATA_SIZE_MASK);
+
+ /* send the parameters to user application */
+ error = copy_to_user((void *) arg, &command_args, sizeof(struct sep_driver_add_flow_table_t));
+end_function_with_error:
+ /* free the allocated tables */
+ sep_deallocated_flow_tables(&first_table_data);
+end_function:
+ dbg("SEP Driver:<-------- sep_add_flow_tables_handler end\n");
+ return error;
+}
+
+/*
+ this function add the flow add message to the specific flow
+*/
+static int sep_add_flow_tables_message_handler(struct sep_device *sep, unsigned long arg)
+{
+ int error;
+ struct sep_driver_add_message_t command_args;
+ struct sep_flow_context_t *flow_context_ptr;
+
+ dbg("SEP Driver:--------> sep_add_flow_tables_message_handler start\n");
+
+ error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_add_message_t));
+ if (error)
+ goto end_function;
+
+ /* check input */
+ if (command_args.message_size_in_bytes > SEP_MAX_ADD_MESSAGE_LENGTH_IN_BYTES) {
+ error = -ENOMEM;
+ goto end_function;
+ }
+
+ /* find the flow context */
+ flow_context_ptr = sep_find_flow_context(sep, command_args.flow_id);
+ if (flow_context_ptr == NULL)
+ goto end_function;
+
+ /* copy the message into context */
+ flow_context_ptr->message_size_in_bytes = command_args.message_size_in_bytes;
+ error = copy_from_user(flow_context_ptr->message, (void *) command_args.message_address, command_args.message_size_in_bytes);
+end_function:
+ dbg("SEP Driver:<-------- sep_add_flow_tables_message_handler end\n");
+ return error;
+}
+
+
+/*
+ this function returns the bus and virtual addresses of the static pool
+*/
+static int sep_get_static_pool_addr_handler(struct sep_device *sep, unsigned long arg)
+{
+ int error;
+ struct sep_driver_static_pool_addr_t command_args;
+
+ dbg("SEP Driver:--------> sep_get_static_pool_addr_handler start\n");
+
+ /*prepare the output parameters in the struct */
+ command_args.physical_static_address = sep->shared_bus + SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES;
+ command_args.virtual_static_address = (unsigned long)sep->shared_addr + SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES;
+
+ edbg("SEP Driver:bus_static_address is %08lx, virtual_static_address %08lx\n", command_args.physical_static_address, command_args.virtual_static_address);
+
+ /* send the parameters to user application */
+ error = copy_to_user((void *) arg, &command_args, sizeof(struct sep_driver_static_pool_addr_t));
+ dbg("SEP Driver:<-------- sep_get_static_pool_addr_handler end\n");
+ return error;
+}
+
+/*
+ this address gets the offset of the physical address from the start
+ of the mapped area
+*/
+static int sep_get_physical_mapped_offset_handler(struct sep_device *sep, unsigned long arg)
+{
+ int error;
+ struct sep_driver_get_mapped_offset_t command_args;
+
+ dbg("SEP Driver:--------> sep_get_physical_mapped_offset_handler start\n");
+
+ error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_get_mapped_offset_t));
+ if (error)
+ goto end_function;
+
+ if (command_args.physical_address < sep->shared_bus) {
+ error = -EINVAL;
+ goto end_function;
+ }
+
+ /*prepare the output parameters in the struct */
+ command_args.offset = command_args.physical_address - sep->shared_bus;
+
+ edbg("SEP Driver:bus_address is %08lx, offset is %lu\n", command_args.physical_address, command_args.offset);
+
+ /* send the parameters to user application */
+ error = copy_to_user((void *) arg, &command_args, sizeof(struct sep_driver_get_mapped_offset_t));
+end_function:
+ dbg("SEP Driver:<-------- sep_get_physical_mapped_offset_handler end\n");
+ return error;
+}
+
+
+/*
+ ?
+*/
+static int sep_start_handler(struct sep_device *sep)
+{
+ unsigned long reg_val;
+ unsigned long error = 0;
+
+ dbg("SEP Driver:--------> sep_start_handler start\n");
+
+ /* wait in polling for message from SEP */
+ do
+ reg_val = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR3_REG_ADDR);
+ while (!reg_val);
+
+ /* check the value */
+ if (reg_val == 0x1)
+ /* fatal error - read error status from GPRO */
+ error = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+ dbg("SEP Driver:<-------- sep_start_handler end\n");
+ return error;
+}
+
+/*
+ this function handles the request for SEP initialization
+*/
+static int sep_init_handler(struct sep_device *sep, unsigned long arg)
+{
+ unsigned long message_word;
+ unsigned long *message_ptr;
+ struct sep_driver_init_t command_args;
+ unsigned long counter;
+ unsigned long error;
+ unsigned long reg_val;
+
+ dbg("SEP Driver:--------> sep_init_handler start\n");
+ error = 0;
+
+ error = copy_from_user(&command_args, (void *) arg, sizeof(struct sep_driver_init_t));
+
+ dbg("SEP Driver:--------> sep_init_handler - finished copy_from_user \n");
+
+ if (error)
+ goto end_function;
+
+ /* PATCH - configure the DMA to single -burst instead of multi-burst */
+ /*sep_configure_dma_burst(); */
+
+ dbg("SEP Driver:--------> sep_init_handler - finished sep_configure_dma_burst \n");
+
+ message_ptr = (unsigned long *) command_args.message_addr;
+
+ /* set the base address of the SRAM */
+ sep_write_reg(sep, HW_SRAM_ADDR_REG_ADDR, HW_CC_SRAM_BASE_ADDRESS);
+
+ for (counter = 0; counter < command_args.message_size_in_words; counter++, message_ptr++) {
+ get_user(message_word, message_ptr);
+ /* write data to SRAM */
+ sep_write_reg(sep, HW_SRAM_DATA_REG_ADDR, message_word);
+ edbg("SEP Driver:message_word is %lu\n", message_word);
+ /* wait for write complete */
+ sep_wait_sram_write(sep);
+ }
+ dbg("SEP Driver:--------> sep_init_handler - finished getting messages from user space\n");
+ /* signal SEP */
+ sep_write_reg(sep, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x1);
+
+ do
+ reg_val = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR3_REG_ADDR);
+ while (!(reg_val & 0xFFFFFFFD));
+
+ dbg("SEP Driver:--------> sep_init_handler - finished waiting for reg_val & 0xFFFFFFFD \n");
+
+ /* check the value */
+ if (reg_val == 0x1) {
+ edbg("SEP Driver:init failed\n");
+
+ error = sep_read_reg(sep, 0x8060);
+ edbg("SEP Driver:sw monitor is %lu\n", error);
+
+ /* fatal error - read erro status from GPRO */
+ error = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+ edbg("SEP Driver:error is %lu\n", error);
+ }
+end_function:
+ dbg("SEP Driver:<-------- sep_init_handler end\n");
+ return error;
+
+}
+
+/*
+ this function handles the request cache and resident reallocation
+*/
+static int sep_realloc_cache_resident_handler(struct sep_device *sep,
+ unsigned long arg)
+{
+ struct sep_driver_realloc_cache_resident_t command_args;
+ int error;
+
+ /* copy cache and resident to the their intended locations */
+ error = sep_load_firmware(sep);
+ if (error)
+ return error;
+
+ command_args.new_base_addr = sep->shared_bus;
+
+ /* find the new base address according to the lowest address between
+ cache, resident and shared area */
+ if (sep->resident_bus < command_args.new_base_addr)
+ command_args.new_base_addr = sep->resident_bus;
+ if (sep->rar_bus < command_args.new_base_addr)
+ command_args.new_base_addr = sep->rar_bus;
+
+ /* set the return parameters */
+ command_args.new_cache_addr = sep->rar_bus;
+ command_args.new_resident_addr = sep->resident_bus;
+
+ /* set the new shared area */
+ command_args.new_shared_area_addr = sep->shared_bus;
+
+ edbg("SEP Driver:command_args.new_shared_addr is %08llx\n", command_args.new_shared_area_addr);
+ edbg("SEP Driver:command_args.new_base_addr is %08llx\n", command_args.new_base_addr);
+ edbg("SEP Driver:command_args.new_resident_addr is %08llx\n", command_args.new_resident_addr);
+ edbg("SEP Driver:command_args.new_rar_addr is %08llx\n", command_args.new_cache_addr);
+
+ /* return to user */
+ if (copy_to_user((void *) arg, &command_args, sizeof(struct sep_driver_realloc_cache_resident_t)))
+ return -EFAULT;
+ return 0;
+}
+
+/**
+ * sep_get_time_handler - time request from user space
+ * @sep: sep we are to set the time for
+ * @arg: pointer to user space arg buffer
+ *
+ * This function reports back the time and the address in the SEP
+ * shared buffer at which it has been placed. (Do we really need this!!!)
+ */
+
+static int sep_get_time_handler(struct sep_device *sep, unsigned long arg)
+{
+ struct sep_driver_get_time_t command_args;
+
+ mutex_lock(&sep_mutex);
+ command_args.time_value = sep_set_time(sep);
+ command_args.time_physical_address = (unsigned long)sep_time_address(sep);
+ mutex_unlock(&sep_mutex);
+ if (copy_to_user((void __user *)arg,
+ &command_args, sizeof(struct sep_driver_get_time_t)))
+ return -EFAULT;
+ return 0;
+
+}
+
+/*
+ This API handles the end transaction request
+*/
+static int sep_end_transaction_handler(struct sep_device *sep, unsigned long arg)
+{
+ dbg("SEP Driver:--------> sep_end_transaction_handler start\n");
+
+#if 0 /*!SEP_DRIVER_POLLING_MODE */
+ /* close IMR */
+ sep_write_reg(sep, HW_HOST_IMR_REG_ADDR, 0x7FFF);
+
+ /* release IRQ line */
+ free_irq(SEP_DIRVER_IRQ_NUM, sep);
+
+ /* lock the sep mutex */
+ mutex_unlock(&sep_mutex);
+#endif
+
+ dbg("SEP Driver:<-------- sep_end_transaction_handler end\n");
+
+ return 0;
+}
+
+
+/**
+ * sep_set_flow_id_handler - handle flow setting
+ * @sep: the SEP we are configuring
+ * @flow_id: the flow we are setting
+ *
+ * This function handler the set flow id command
+ */
+static int sep_set_flow_id_handler(struct sep_device *sep,
+ unsigned long flow_id)
+{
+ int error = 0;
+ struct sep_flow_context_t *flow_data_ptr;
+
+ /* find the flow data structure that was just used for creating new flow
+ - its id should be default */
+
+ mutex_lock(&sep_mutex);
+ flow_data_ptr = sep_find_flow_context(sep, SEP_TEMP_FLOW_ID);
+ if (flow_data_ptr)
+ flow_data_ptr->flow_id = flow_id; /* set flow id */
+ else
+ error = -EINVAL;
+ mutex_unlock(&sep_mutex);
+ return error;
+}
+
+static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+ int error = 0;
+ struct sep_device *sep = filp->private_data;
+
+ dbg("------------>SEP Driver: ioctl start\n");
+
+ edbg("SEP Driver: cmd is %x\n", cmd);
+
+ switch (cmd) {
+ case SEP_IOCSENDSEPCOMMAND:
+ /* send command to SEP */
+ sep_send_command_handler(sep);
+ edbg("SEP Driver: after sep_send_command_handler\n");
+ break;
+ case SEP_IOCSENDSEPRPLYCOMMAND:
+ /* send reply command to SEP */
+ sep_send_reply_command_handler(sep);
+ break;
+ case SEP_IOCALLOCDATAPOLL:
+ /* allocate data pool */
+ error = sep_allocate_data_pool_memory_handler(sep, arg);
+ break;
+ case SEP_IOCWRITEDATAPOLL:
+ /* write data into memory pool */
+ error = sep_write_into_data_pool_handler(sep, arg);
+ break;
+ case SEP_IOCREADDATAPOLL:
+ /* read data from data pool into application memory */
+ error = sep_read_from_data_pool_handler(sep, arg);
+ break;
+ case SEP_IOCCREATESYMDMATABLE:
+ /* create dma table for synhronic operation */
+ error = sep_create_sync_dma_tables_handler(sep, arg);
+ break;
+ case SEP_IOCCREATEFLOWDMATABLE:
+ /* create flow dma tables */
+ error = sep_create_flow_dma_tables_handler(sep, arg);
+ break;
+ case SEP_IOCFREEDMATABLEDATA:
+ /* free the pages */
+ error = sep_free_dma_table_data_handler(sep);
+ break;
+ case SEP_IOCSETFLOWID:
+ /* set flow id */
+ error = sep_set_flow_id_handler(sep, (unsigned long)arg);
+ break;
+ case SEP_IOCADDFLOWTABLE:
+ /* add tables to the dynamic flow */
+ error = sep_add_flow_tables_handler(sep, arg);
+ break;
+ case SEP_IOCADDFLOWMESSAGE:
+ /* add message of add tables to flow */
+ error = sep_add_flow_tables_message_handler(sep, arg);
+ break;
+ case SEP_IOCSEPSTART:
+ /* start command to sep */
+ error = sep_start_handler(sep);
+ break;
+ case SEP_IOCSEPINIT:
+ /* init command to sep */
+ error = sep_init_handler(sep, arg);
+ break;
+ case SEP_IOCGETSTATICPOOLADDR:
+ /* get the physical and virtual addresses of the static pool */
+ error = sep_get_static_pool_addr_handler(sep, arg);
+ break;
+ case SEP_IOCENDTRANSACTION:
+ error = sep_end_transaction_handler(sep, arg);
+ break;
+ case SEP_IOCREALLOCCACHERES:
+ error = sep_realloc_cache_resident_handler(sep, arg);
+ break;
+ case SEP_IOCGETMAPPEDADDROFFSET:
+ error = sep_get_physical_mapped_offset_handler(sep, arg);
+ break;
+ case SEP_IOCGETIME:
+ error = sep_get_time_handler(sep, arg);
+ break;
+ default:
+ error = -ENOTTY;
+ break;
+ }
+ dbg("SEP Driver:<-------- ioctl end\n");
+ return error;
+}
+
+
+
+#if !SEP_DRIVER_POLLING_MODE
+
+/* handler for flow done interrupt */
+
+static void sep_flow_done_handler(struct work_struct *work)
+{
+ struct sep_flow_context_t *flow_data_ptr;
+
+ /* obtain the mutex */
+ mutex_lock(&sep_mutex);
+
+ /* get the pointer to context */
+ flow_data_ptr = (struct sep_flow_context_t *) work;
+
+ /* free all the current input tables in sep */
+ sep_deallocated_flow_tables(&flow_data_ptr->input_tables_in_process);
+
+ /* free all the current tables output tables in SEP (if needed) */
+ if (flow_data_ptr->output_tables_in_process.physical_address != 0xffffffff)
+ sep_deallocated_flow_tables(&flow_data_ptr->output_tables_in_process);
+
+ /* check if we have additional tables to be sent to SEP only input
+ flag may be checked */
+ if (flow_data_ptr->input_tables_flag) {
+ /* copy the message to the shared RAM and signal SEP */
+ memcpy((void *) flow_data_ptr->message, (void *) sep->shared_addr, flow_data_ptr->message_size_in_bytes);
+
+ sep_write_reg(sep, HW_HOST_HOST_SEP_GPR2_REG_ADDR, 0x2);
+ }
+ mutex_unlock(&sep_mutex);
+}
+/*
+ interrupt handler function
+*/
+static irqreturn_t sep_inthandler(int irq, void *dev_id)
+{
+ irqreturn_t int_error;
+ unsigned long reg_val;
+ unsigned long flow_id;
+ struct sep_flow_context_t *flow_context_ptr;
+ struct sep_device *sep = dev_id;
+
+ int_error = IRQ_HANDLED;
+
+ /* read the IRR register to check if this is SEP interrupt */
+ reg_val = sep_read_reg(sep, HW_HOST_IRR_REG_ADDR);
+ edbg("SEP Interrupt - reg is %08lx\n", reg_val);
+
+ /* check if this is the flow interrupt */
+ if (0 /*reg_val & (0x1 << 11) */ ) {
+ /* read GPRO to find out the which flow is done */
+ flow_id = sep_read_reg(sep, HW_HOST_IRR_REG_ADDR);
+
+ /* find the contex of the flow */
+ flow_context_ptr = sep_find_flow_context(sep, flow_id >> 28);
+ if (flow_context_ptr == NULL)
+ goto end_function_with_error;
+
+ /* queue the work */
+ INIT_WORK(&flow_context_ptr->flow_wq, sep_flow_done_handler);
+ queue_work(sep->flow_wq, &flow_context_ptr->flow_wq);
+
+ } else {
+ /* check if this is reply interrupt from SEP */
+ if (reg_val & (0x1 << 13)) {
+ /* update the counter of reply messages */
+ sep->reply_ct++;
+ /* wake up the waiting process */
+ wake_up(&sep_event);
+ } else {
+ int_error = IRQ_NONE;
+ goto end_function;
+ }
+ }
+end_function_with_error:
+ /* clear the interrupt */
+ sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, reg_val);
+end_function:
+ return int_error;
+}
+
+#endif
+
+
+
+#if 0
+
+static void sep_wait_busy(struct sep_device *sep)
+{
+ u32 reg;
+
+ do {
+ reg = sep_read_reg(sep, HW_HOST_SEP_BUSY_REG_ADDR);
+ } while (reg);
+}
+
+/*
+ PATCH for configuring the DMA to single burst instead of multi-burst
+*/
+static void sep_configure_dma_burst(struct sep_device *sep)
+{
+#define HW_AHB_RD_WR_BURSTS_REG_ADDR 0x0E10UL
+
+ dbg("SEP Driver:<-------- sep_configure_dma_burst start \n");
+
+ /* request access to registers from SEP */
+ sep_write_reg(sep, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x2);
+
+ dbg("SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (write reg) \n");
+
+ sep_wait_busy(sep);
+
+ dbg("SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (while(revVal) wait loop) \n");
+
+ /* set the DMA burst register to single burst */
+ sep_write_reg(sep, HW_AHB_RD_WR_BURSTS_REG_ADDR, 0x0UL);
+
+ /* release the sep busy */
+ sep_write_reg(sep, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x0UL);
+ sep_wait_busy(sep);
+
+ dbg("SEP Driver:<-------- sep_configure_dma_burst done \n");
+
+}
+
+#endif
+
+/*
+ Function that is activated on the successful probe of the SEP device
+*/
+static int __devinit sep_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ int error = 0;
+ struct sep_device *sep;
+ int counter;
+ int size; /* size of memory for allocation */
+
+ edbg("Sep pci probe starting\n");
+ if (sep_dev != NULL) {
+ dev_warn(&pdev->dev, "only one SEP supported.\n");
+ return -EBUSY;
+ }
+
+ /* enable the device */
+ error = pci_enable_device(pdev);
+ if (error) {
+ edbg("error enabling pci device\n");
+ goto end_function;
+ }
+
+ /* set the pci dev pointer */
+ sep_dev = &sep_instance;
+ sep = &sep_instance;
+
+ edbg("sep->shared_addr = %p\n", sep->shared_addr);
+ /* transaction counter that coordinates the transactions between SEP
+ and HOST */
+ sep->send_ct = 0;
+ /* counter for the messages from sep */
+ sep->reply_ct = 0;
+ /* counter for the number of bytes allocated in the pool
+ for the current transaction */
+ sep->data_pool_bytes_allocated = 0;
+
+ /* calculate the total size for allocation */
+ size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES +
+ SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES;
+
+ /* allocate the shared area */
+ if (sep_map_and_alloc_shared_area(sep, size)) {
+ error = -ENOMEM;
+ /* allocation failed */
+ goto end_function_error;
+ }
+ /* now set the memory regions */
+#if (SEP_DRIVER_RECONFIG_MESSAGE_AREA == 1)
+ /* Note: this test section will need moving before it could ever
+ work as the registers are not yet mapped ! */
+ /* send the new SHARED MESSAGE AREA to the SEP */
+ sep_write_reg(sep, HW_HOST_HOST_SEP_GPR1_REG_ADDR, sep->shared_bus);
+
+ /* poll for SEP response */
+ retval = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR1_REG_ADDR);
+ while (retval != 0xffffffff && retval != sep->shared_bus)
+ retval = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR1_REG_ADDR);
+
+ /* check the return value (register) */
+ if (retval != sep->shared_bus) {
+ error = -ENOMEM;
+ goto end_function_deallocate_sep_shared_area;
+ }
+#endif
+ /* init the flow contextes */
+ for (counter = 0; counter < SEP_DRIVER_NUM_FLOWS; counter++)
+ sep->flows[counter].flow_id = SEP_FREE_FLOW_ID;
+
+ sep->flow_wq = create_singlethread_workqueue("sepflowwq");
+ if (sep->flow_wq == NULL) {
+ error = -ENOMEM;
+ edbg("sep_driver:flow queue creation failed\n");
+ goto end_function_deallocate_sep_shared_area;
+ }
+ edbg("SEP Driver: create flow workqueue \n");
+ sep->pdev = pci_dev_get(pdev);
+
+ sep->reg_addr = pci_ioremap_bar(pdev, 0);
+ if (!sep->reg_addr) {
+ edbg("sep: ioremap of registers failed.\n");
+ goto end_function_deallocate_sep_shared_area;
+ }
+ edbg("SEP Driver:reg_addr is %p\n", sep->reg_addr);
+
+ /* load the rom code */
+ sep_load_rom_code(sep);
+
+ /* set up system base address and shared memory location */
+ sep->rar_addr = dma_alloc_coherent(&sep->pdev->dev,
+ 2 * SEP_RAR_IO_MEM_REGION_SIZE,
+ &sep->rar_bus, GFP_KERNEL);
+
+ if (!sep->rar_addr) {
+ edbg("SEP Driver:can't allocate rar\n");
+ goto end_function_uniomap;
+ }
+
+
+ edbg("SEP Driver:rar_bus is %08llx\n", (unsigned long long)sep->rar_bus);
+ edbg("SEP Driver:rar_virtual is %p\n", sep->rar_addr);
+
+#if !SEP_DRIVER_POLLING_MODE
+
+ edbg("SEP Driver: about to write IMR and ICR REG_ADDR\n");
+
+ /* clear ICR register */
+ sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF);
+
+ /* set the IMR register - open only GPR 2 */
+ sep_write_reg(sep, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13)));
+
+ edbg("SEP Driver: about to call request_irq\n");
+ /* get the interrupt line */
+ error = request_irq(pdev->irq, sep_inthandler, IRQF_SHARED, "sep_driver", sep);
+ if (error)
+ goto end_function_free_res;
+ return 0;
+ edbg("SEP Driver: about to write IMR REG_ADDR");
+
+ /* set the IMR register - open only GPR 2 */
+ sep_write_reg(sep, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13)));
+
+end_function_free_res:
+ dma_free_coherent(&sep->pdev->dev, 2 * SEP_RAR_IO_MEM_REGION_SIZE,
+ sep->rar_addr, sep->rar_bus);
+#endif /* SEP_DRIVER_POLLING_MODE */
+end_function_uniomap:
+ iounmap(sep->reg_addr);
+end_function_deallocate_sep_shared_area:
+ /* de-allocate shared area */
+ sep_unmap_and_free_shared_area(sep, size);
+end_function_error:
+ sep_dev = NULL;
+end_function:
+ return error;
+}
+
+static const struct pci_device_id sep_pci_id_tbl[] = {
+ {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080c)},
+ {0}
+};
+
+MODULE_DEVICE_TABLE(pci, sep_pci_id_tbl);
+
+/* field for registering driver to PCI device */
+static struct pci_driver sep_pci_driver = {
+ .name = "sep_sec_driver",
+ .id_table = sep_pci_id_tbl,
+ .probe = sep_probe
+ /* FIXME: remove handler */
+};
+
+/* major and minor device numbers */
+static dev_t sep_devno;
+
+/* the files operations structure of the driver */
+static struct file_operations sep_file_operations = {
+ .owner = THIS_MODULE,
+ .unlocked_ioctl = sep_ioctl,
+ .poll = sep_poll,
+ .open = sep_open,
+ .release = sep_release,
+ .mmap = sep_mmap,
+};
+
+
+/* cdev struct of the driver */
+static struct cdev sep_cdev;
+
+/*
+ this function registers the driver to the file system
+*/
+static int sep_register_driver_to_fs(void)
+{
+ int ret_val = alloc_chrdev_region(&sep_devno, 0, 1, "sep_sec_driver");
+ if (ret_val) {
+ edbg("sep: major number allocation failed, retval is %d\n",
+ ret_val);
+ return ret_val;
+ }
+ /* init cdev */
+ cdev_init(&sep_cdev, &sep_file_operations);
+ sep_cdev.owner = THIS_MODULE;
+
+ /* register the driver with the kernel */
+ ret_val = cdev_add(&sep_cdev, sep_devno, 1);
+ if (ret_val) {
+ edbg("sep_driver:cdev_add failed, retval is %d\n", ret_val);
+ /* unregister dev numbers */
+ unregister_chrdev_region(sep_devno, 1);
+ }
+ return ret_val;
+}
+
+
+/*--------------------------------------------------------------
+ init function
+----------------------------------------------------------------*/
+static int __init sep_init(void)
+{
+ int ret_val = 0;
+ dbg("SEP Driver:-------->Init start\n");
+ /* FIXME: Probe can occur before we are ready to survive a probe */
+ ret_val = pci_register_driver(&sep_pci_driver);
+ if (ret_val) {
+ edbg("sep_driver:sep_driver_to_device failed, ret_val is %d\n", ret_val);
+ goto end_function_unregister_from_fs;
+ }
+ /* register driver to fs */
+ ret_val = sep_register_driver_to_fs();
+ if (ret_val)
+ goto end_function_unregister_pci;
+ goto end_function;
+end_function_unregister_pci:
+ pci_unregister_driver(&sep_pci_driver);
+end_function_unregister_from_fs:
+ /* unregister from fs */
+ cdev_del(&sep_cdev);
+ /* unregister dev numbers */
+ unregister_chrdev_region(sep_devno, 1);
+end_function:
+ dbg("SEP Driver:<-------- Init end\n");
+ return ret_val;
+}
+
+
+/*-------------------------------------------------------------
+ exit function
+--------------------------------------------------------------*/
+static void __exit sep_exit(void)
+{
+ int size;
+
+ dbg("SEP Driver:--------> Exit start\n");
+
+ /* unregister from fs */
+ cdev_del(&sep_cdev);
+ /* unregister dev numbers */
+ unregister_chrdev_region(sep_devno, 1);
+ /* calculate the total size for de-allocation */
+ size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES +
+ SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES;
+ /* FIXME: We need to do this in the unload for the device */
+ /* free shared area */
+ if (sep_dev) {
+ sep_unmap_and_free_shared_area(sep_dev, size);
+ edbg("SEP Driver: free pages SEP SHARED AREA \n");
+ iounmap((void *) sep_dev->reg_addr);
+ edbg("SEP Driver: iounmap \n");
+ }
+ edbg("SEP Driver: release_mem_region \n");
+ dbg("SEP Driver:<-------- Exit end\n");
+}
+
+
+module_init(sep_init);
+module_exit(sep_exit);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/sep/sep_driver_api.h b/drivers/staging/sep/sep_driver_api.h
new file mode 100644
index 00000000000..383543d97f9
--- /dev/null
+++ b/drivers/staging/sep/sep_driver_api.h
@@ -0,0 +1,425 @@
+/*
+ *
+ * sep_driver_api.h - Security Processor Driver 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_API_H__
+#define __SEP_DRIVER_API_H__
+
+
+
+/*----------------------------------------------------------------
+ IOCTL command defines
+ -----------------------------------------------------------------*/
+
+/* magic number 1 of the sep IOCTL command */
+#define SEP_IOC_MAGIC_NUMBER 's'
+
+/* sends interrupt to sep that message is ready */
+#define SEP_IOCSENDSEPCOMMAND _IO(SEP_IOC_MAGIC_NUMBER , 0)
+
+/* sends interrupt to sep that message is ready */
+#define SEP_IOCSENDSEPRPLYCOMMAND _IO(SEP_IOC_MAGIC_NUMBER , 1)
+
+/* allocate memory in data pool */
+#define SEP_IOCALLOCDATAPOLL _IO(SEP_IOC_MAGIC_NUMBER , 2)
+
+/* write to pre-allocated memory in data pool */
+#define SEP_IOCWRITEDATAPOLL _IO(SEP_IOC_MAGIC_NUMBER , 3)
+
+/* read from pre-allocated memory in data pool */
+#define SEP_IOCREADDATAPOLL _IO(SEP_IOC_MAGIC_NUMBER , 4)
+
+/* create sym dma lli tables */
+#define SEP_IOCCREATESYMDMATABLE _IO(SEP_IOC_MAGIC_NUMBER , 5)
+
+/* create flow dma lli tables */
+#define SEP_IOCCREATEFLOWDMATABLE _IO(SEP_IOC_MAGIC_NUMBER , 6)
+
+/* free dynamic data aalocated during table creation */
+#define SEP_IOCFREEDMATABLEDATA _IO(SEP_IOC_MAGIC_NUMBER , 7)
+
+/* get the static pool area addersses (physical and virtual) */
+#define SEP_IOCGETSTATICPOOLADDR _IO(SEP_IOC_MAGIC_NUMBER , 8)
+
+/* set flow id command */
+#define SEP_IOCSETFLOWID _IO(SEP_IOC_MAGIC_NUMBER , 9)
+
+/* add tables to the dynamic flow */
+#define SEP_IOCADDFLOWTABLE _IO(SEP_IOC_MAGIC_NUMBER , 10)
+
+/* add flow add tables message */
+#define SEP_IOCADDFLOWMESSAGE _IO(SEP_IOC_MAGIC_NUMBER , 11)
+
+/* start sep command */
+#define SEP_IOCSEPSTART _IO(SEP_IOC_MAGIC_NUMBER , 12)
+
+/* init sep command */
+#define SEP_IOCSEPINIT _IO(SEP_IOC_MAGIC_NUMBER , 13)
+
+/* end transaction command */
+#define SEP_IOCENDTRANSACTION _IO(SEP_IOC_MAGIC_NUMBER , 15)
+
+/* reallocate cache and resident */
+#define SEP_IOCREALLOCCACHERES _IO(SEP_IOC_MAGIC_NUMBER , 16)
+
+/* get the offset of the address starting from the beginnnig of the map area */
+#define SEP_IOCGETMAPPEDADDROFFSET _IO(SEP_IOC_MAGIC_NUMBER , 17)
+
+/* get time address and value */
+#define SEP_IOCGETIME _IO(SEP_IOC_MAGIC_NUMBER , 19)
+
+/*-------------------------------------------
+ TYPEDEFS
+----------------------------------------------*/
+
+/*
+ init command struct
+*/
+struct sep_driver_init_t {
+ /* start of the 1G of the host memory address that SEP can access */
+ unsigned long message_addr;
+
+ /* start address of resident */
+ unsigned long message_size_in_words;
+
+};
+
+
+/*
+ realloc cache resident command
+*/
+struct sep_driver_realloc_cache_resident_t {
+ /* new cache address */
+ u64 new_cache_addr;
+ /* new resident address */
+ u64 new_resident_addr;
+ /* new resident address */
+ u64 new_shared_area_addr;
+ /* new base address */
+ u64 new_base_addr;
+};
+
+struct sep_driver_alloc_t {
+ /* virtual address of allocated space */
+ unsigned long offset;
+
+ /* physical address of allocated space */
+ unsigned long phys_address;
+
+ /* number of bytes to allocate */
+ unsigned long num_bytes;
+};
+
+/*
+ */
+struct sep_driver_write_t {
+ /* application space address */
+ unsigned long app_address;
+
+ /* address of the data pool */
+ unsigned long datapool_address;
+
+ /* number of bytes to write */
+ unsigned long num_bytes;
+};
+
+/*
+ */
+struct sep_driver_read_t {
+ /* application space address */
+ unsigned long app_address;
+
+ /* address of the data pool */
+ unsigned long datapool_address;
+
+ /* number of bytes to read */
+ unsigned long num_bytes;
+};
+
+/*
+*/
+struct sep_driver_build_sync_table_t {
+ /* address value of the data in */
+ unsigned long app_in_address;
+
+ /* size of data in */
+ unsigned long data_in_size;
+
+ /* address of the data out */
+ unsigned long app_out_address;
+
+ /* the size of the block of the operation - if needed,
+ every table will be modulo this parameter */
+ unsigned long block_size;
+
+ /* the physical address of the first input DMA table */
+ unsigned long in_table_address;
+
+ /* number of entries in the first input DMA table */
+ unsigned long in_table_num_entries;
+
+ /* the physical address of the first output DMA table */
+ unsigned long out_table_address;
+
+ /* number of entries in the first output DMA table */
+ unsigned long out_table_num_entries;
+
+ /* data in the first input table */
+ unsigned long table_data_size;
+
+ /* distinct user/kernel layout */
+ bool isKernelVirtualAddress;
+
+};
+
+/*
+*/
+struct sep_driver_build_flow_table_t {
+ /* flow type */
+ unsigned long flow_type;
+
+ /* flag for input output */
+ unsigned long input_output_flag;
+
+ /* address value of the data in */
+ unsigned long virt_buff_data_addr;
+
+ /* size of data in */
+ unsigned long num_virtual_buffers;
+
+ /* the physical address of the first input DMA table */
+ unsigned long first_table_addr;
+
+ /* number of entries in the first input DMA table */
+ unsigned long first_table_num_entries;
+
+ /* data in the first input table */
+ unsigned long first_table_data_size;
+
+ /* distinct user/kernel layout */
+ bool isKernelVirtualAddress;
+};
+
+
+struct sep_driver_add_flow_table_t {
+ /* flow id */
+ unsigned long flow_id;
+
+ /* flag for input output */
+ unsigned long inputOutputFlag;
+
+ /* address value of the data in */
+ unsigned long virt_buff_data_addr;
+
+ /* size of data in */
+ unsigned long num_virtual_buffers;
+
+ /* address of the first table */
+ unsigned long first_table_addr;
+
+ /* number of entries in the first table */
+ unsigned long first_table_num_entries;
+
+ /* data size of the first table */
+ unsigned long first_table_data_size;
+
+ /* distinct user/kernel layout */
+ bool isKernelVirtualAddress;
+
+};
+
+/*
+ command struct for set flow id
+*/
+struct sep_driver_set_flow_id_t {
+ /* flow id to set */
+ unsigned long flow_id;
+};
+
+
+/* command struct for add tables message */
+struct sep_driver_add_message_t {
+ /* flow id to set */
+ unsigned long flow_id;
+
+ /* message size in bytes */
+ unsigned long message_size_in_bytes;
+
+ /* address of the message */
+ unsigned long message_address;
+};
+
+/* command struct for static pool addresses */
+struct sep_driver_static_pool_addr_t {
+ /* physical address of the static pool */
+ unsigned long physical_static_address;
+
+ /* virtual address of the static pool */
+ unsigned long virtual_static_address;
+};
+
+/* command struct for getiing offset of the physical address from
+ the start of the mapped area */
+struct sep_driver_get_mapped_offset_t {
+ /* physical address of the static pool */
+ unsigned long physical_address;
+
+ /* virtual address of the static pool */
+ unsigned long offset;
+};
+
+/* command struct for getting time value and address */
+struct sep_driver_get_time_t {
+ /* physical address of stored time */
+ unsigned long time_physical_address;
+
+ /* value of the stored time */
+ unsigned long time_value;
+};
+
+
+/*
+ structure that represent one entry in the DMA LLI table
+*/
+struct sep_lli_entry_t {
+ /* physical address */
+ unsigned long physical_address;
+
+ /* block size */
+ unsigned long block_size;
+};
+
+/*
+ structure that reperesents data needed for lli table construction
+*/
+struct sep_lli_prepare_table_data_t {
+ /* pointer to the memory where the first lli entry to be built */
+ struct sep_lli_entry_t *lli_entry_ptr;
+
+ /* pointer to the array of lli entries from which the table is to be built */
+ struct sep_lli_entry_t *lli_array_ptr;
+
+ /* number of elements in lli array */
+ int lli_array_size;
+
+ /* number of entries in the created table */
+ int num_table_entries;
+
+ /* number of array entries processed during table creation */
+ int num_array_entries_processed;
+
+ /* the totatl data size in the created table */
+ int lli_table_total_data_size;
+};
+
+/*
+ structure that represent tone table - it is not used in code, jkust
+ to show what table looks like
+*/
+struct sep_lli_table_t {
+ /* number of pages mapped in this tables. If 0 - means that the table
+ is not defined (used as a valid flag) */
+ unsigned long num_pages;
+ /*
+ pointer to array of page pointers that represent the mapping of the
+ virtual buffer defined by the table to the physical memory. If this
+ pointer is NULL, it means that the table is not defined
+ (used as a valid flag)
+ */
+ struct page **table_page_array_ptr;
+
+ /* maximum flow entries in table */
+ struct sep_lli_entry_t lli_entries[SEP_DRIVER_MAX_FLOW_NUM_ENTRIES_IN_TABLE];
+};
+
+
+/*
+ structure for keeping the mapping of the virtual buffer into physical pages
+*/
+struct sep_flow_buffer_data {
+ /* pointer to the array of page structs pointers to the pages of the
+ virtual buffer */
+ struct page **page_array_ptr;
+
+ /* number of pages taken by the virtual buffer */
+ unsigned long num_pages;
+
+ /* this flag signals if this page_array is the last one among many that were
+ sent in one setting to SEP */
+ unsigned long last_page_array_flag;
+};
+
+/*
+ struct that keeps all the data for one flow
+*/
+struct sep_flow_context_t {
+ /*
+ work struct for handling the flow done interrupt in the workqueue
+ this structure must be in the first place, since it will be used
+ forcasting to the containing flow context
+ */
+ struct work_struct flow_wq;
+
+ /* flow id */
+ unsigned long flow_id;
+
+ /* additional input tables exists */
+ unsigned long input_tables_flag;
+
+ /* additional output tables exists */
+ unsigned long output_tables_flag;
+
+ /* data of the first input file */
+ struct sep_lli_entry_t first_input_table;
+
+ /* data of the first output table */
+ struct sep_lli_entry_t first_output_table;
+
+ /* last input table data */
+ struct sep_lli_entry_t last_input_table;
+
+ /* last output table data */
+ struct sep_lli_entry_t last_output_table;
+
+ /* first list of table */
+ struct sep_lli_entry_t input_tables_in_process;
+
+ /* output table in process (in sep) */
+ struct sep_lli_entry_t output_tables_in_process;
+
+ /* size of messages in bytes */
+ unsigned long message_size_in_bytes;
+
+ /* message */
+ unsigned char message[SEP_MAX_ADD_MESSAGE_LENGTH_IN_BYTES];
+};
+
+
+#endif
diff --git a/drivers/staging/sep/sep_driver_config.h b/drivers/staging/sep/sep_driver_config.h
new file mode 100644
index 00000000000..6008fe5eca0
--- /dev/null
+++ b/drivers/staging/sep/sep_driver_config.h
@@ -0,0 +1,225 @@
+/*
+ *
+ * sep_driver_config.h - Security Processor Driver configuration
+ *
+ * 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_CONFIG_H__
+#define __SEP_DRIVER_CONFIG_H__
+
+
+/*--------------------------------------
+ DRIVER CONFIGURATION FLAGS
+ -------------------------------------*/
+
+/* if flag is on , then the driver is running in polling and
+ not interrupt mode */
+#define SEP_DRIVER_POLLING_MODE 1
+
+/* flag which defines if the shared area address should be
+ reconfiged (send to SEP anew) during init of the driver */
+#define SEP_DRIVER_RECONFIG_MESSAGE_AREA 0
+
+/* the mode for running on the ARM1172 Evaluation platform (flag is 1) */
+#define SEP_DRIVER_ARM_DEBUG_MODE 0
+
+/*-------------------------------------------
+ INTERNAL DATA CONFIGURATION
+ -------------------------------------------*/
+
+/* flag for the input array */
+#define SEP_DRIVER_IN_FLAG 0
+
+/* flag for output array */
+#define SEP_DRIVER_OUT_FLAG 1
+
+/* maximum number of entries in one LLI tables */
+#define SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP 8
+
+
+/*--------------------------------------------------------
+ SHARED AREA memory total size is 36K
+ it is divided is following:
+
+ SHARED_MESSAGE_AREA 8K }
+ }
+ STATIC_POOL_AREA 4K } MAPPED AREA ( 24 K)
+ }
+ DATA_POOL_AREA 12K }
+
+ SYNCHRONIC_DMA_TABLES_AREA 5K
+
+ FLOW_DMA_TABLES_AREA 4K
+
+ SYSTEM_MEMORY_AREA 3k
+
+ SYSTEM_MEMORY total size is 3k
+ it is divided as following:
+
+ TIME_MEMORY_AREA 8B
+-----------------------------------------------------------*/
+
+
+
+/*
+ the maximum length of the message - the rest of the message shared
+ area will be dedicated to the dma lli tables
+*/
+#define SEP_DRIVER_MAX_MESSAGE_SIZE_IN_BYTES (8 * 1024)
+
+/* the size of the message shared area in pages */
+#define SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES (8 * 1024)
+
+/* the size of the data pool static area in pages */
+#define SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES (4 * 1024)
+
+/* the size of the data pool shared area size in pages */
+#define SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES (12 * 1024)
+
+/* the size of the message shared area in pages */
+#define SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES (1024 * 5)
+
+
+/* the size of the data pool shared area size in pages */
+#define SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES (1024 * 4)
+
+/* system data (time, caller id etc') pool */
+#define SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES 100
+
+
+/* area size that is mapped - we map the MESSAGE AREA, STATIC POOL and
+ DATA POOL areas. area must be module 4k */
+#define SEP_DRIVER_MMMAP_AREA_SIZE (1024 * 24)
+
+
+/*-----------------------------------------------
+ offsets of the areas starting from the shared area start address
+*/
+
+/* message area offset */
+#define SEP_DRIVER_MESSAGE_AREA_OFFSET_IN_BYTES 0
+
+/* static pool area offset */
+#define SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES \
+ (SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES)
+
+/* data pool area offset */
+#define SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES \
+ (SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES + \
+ SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES)
+
+/* synhronic dma tables area offset */
+#define SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES \
+ (SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + \
+ SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES)
+
+/* sep driver flow dma tables area offset */
+#define SEP_DRIVER_FLOW_DMA_TABLES_AREA_OFFSET_IN_BYTES \
+ (SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES + \
+ SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES)
+
+/* system memory offset in bytes */
+#define SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES \
+ (SEP_DRIVER_FLOW_DMA_TABLES_AREA_OFFSET_IN_BYTES + \
+ SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES)
+
+/* offset of the time area */
+#define SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES \
+ (SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES)
+
+
+
+/* start physical address of the SEP registers memory in HOST */
+#define SEP_IO_MEM_REGION_START_ADDRESS 0x80000000
+
+/* size of the SEP registers memory region in HOST (for now 100 registers) */
+#define SEP_IO_MEM_REGION_SIZE (2 * 0x100000)
+
+/* define the number of IRQ for SEP interrupts */
+#define SEP_DIRVER_IRQ_NUM 1
+
+/* maximum number of add buffers */
+#define SEP_MAX_NUM_ADD_BUFFERS 100
+
+/* number of flows */
+#define SEP_DRIVER_NUM_FLOWS 4
+
+/* maximum number of entries in flow table */
+#define SEP_DRIVER_MAX_FLOW_NUM_ENTRIES_IN_TABLE 25
+
+/* offset of the num entries in the block length entry of the LLI */
+#define SEP_NUM_ENTRIES_OFFSET_IN_BITS 24
+
+/* offset of the interrupt flag in the block length entry of the LLI */
+#define SEP_INT_FLAG_OFFSET_IN_BITS 31
+
+/* mask for extracting data size from LLI */
+#define SEP_TABLE_DATA_SIZE_MASK 0xFFFFFF
+
+/* mask for entries after being shifted left */
+#define SEP_NUM_ENTRIES_MASK 0x7F
+
+/* default flow id */
+#define SEP_FREE_FLOW_ID 0xFFFFFFFF
+
+/* temp flow id used during cretiong of new flow until receiving
+ real flow id from sep */
+#define SEP_TEMP_FLOW_ID (SEP_DRIVER_NUM_FLOWS + 1)
+
+/* maximum add buffers message length in bytes */
+#define SEP_MAX_ADD_MESSAGE_LENGTH_IN_BYTES (7 * 4)
+
+/* maximum number of concurrent virtual buffers */
+#define SEP_MAX_VIRT_BUFFERS_CONCURRENT 100
+
+/* the token that defines the start of time address */
+#define SEP_TIME_VAL_TOKEN 0x12345678
+
+/* DEBUG LEVEL MASKS */
+#define SEP_DEBUG_LEVEL_BASIC 0x1
+
+#define SEP_DEBUG_LEVEL_EXTENDED 0x4
+
+
+/* Debug helpers */
+
+#define dbg(fmt, args...) \
+do {\
+ if (debug & SEP_DEBUG_LEVEL_BASIC) \
+ printk(KERN_DEBUG fmt, ##args); \
+} while(0);
+
+#define edbg(fmt, args...) \
+do { \
+ if (debug & SEP_DEBUG_LEVEL_EXTENDED) \
+ printk(KERN_DEBUG fmt, ##args); \
+} while(0);
+
+
+
+#endif
diff --git a/drivers/staging/sep/sep_driver_hw_defs.h b/drivers/staging/sep/sep_driver_hw_defs.h
new file mode 100644
index 00000000000..ea6abd8a14b
--- /dev/null
+++ b/drivers/staging/sep/sep_driver_hw_defs.h
@@ -0,0 +1,232 @@
+/*
+ *
+ * sep_driver_hw_defs.h - Security Processor Driver hardware 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_HW_DEFS__H
+#define SEP_DRIVER_HW_DEFS__H
+
+/*--------------------------------------------------------------------------*/
+/* Abstract: HW Registers Defines. */
+/* */
+/* Note: This file was automatically created !!! */
+/* DO NOT EDIT THIS FILE !!! */
+/*--------------------------------------------------------------------------*/
+
+
+/* cf registers */
+#define HW_R0B_ADDR_0_REG_ADDR 0x0000UL
+#define HW_R0B_ADDR_1_REG_ADDR 0x0004UL
+#define HW_R0B_ADDR_2_REG_ADDR 0x0008UL
+#define HW_R0B_ADDR_3_REG_ADDR 0x000cUL
+#define HW_R0B_ADDR_4_REG_ADDR 0x0010UL
+#define HW_R0B_ADDR_5_REG_ADDR 0x0014UL
+#define HW_R0B_ADDR_6_REG_ADDR 0x0018UL
+#define HW_R0B_ADDR_7_REG_ADDR 0x001cUL
+#define HW_R0B_ADDR_8_REG_ADDR 0x0020UL
+#define HW_R2B_ADDR_0_REG_ADDR 0x0080UL
+#define HW_R2B_ADDR_1_REG_ADDR 0x0084UL
+#define HW_R2B_ADDR_2_REG_ADDR 0x0088UL
+#define HW_R2B_ADDR_3_REG_ADDR 0x008cUL
+#define HW_R2B_ADDR_4_REG_ADDR 0x0090UL
+#define HW_R2B_ADDR_5_REG_ADDR 0x0094UL
+#define HW_R2B_ADDR_6_REG_ADDR 0x0098UL
+#define HW_R2B_ADDR_7_REG_ADDR 0x009cUL
+#define HW_R2B_ADDR_8_REG_ADDR 0x00a0UL
+#define HW_R3B_REG_ADDR 0x00C0UL
+#define HW_R4B_REG_ADDR 0x0100UL
+#define HW_CSA_ADDR_0_REG_ADDR 0x0140UL
+#define HW_CSA_ADDR_1_REG_ADDR 0x0144UL
+#define HW_CSA_ADDR_2_REG_ADDR 0x0148UL
+#define HW_CSA_ADDR_3_REG_ADDR 0x014cUL
+#define HW_CSA_ADDR_4_REG_ADDR 0x0150UL
+#define HW_CSA_ADDR_5_REG_ADDR 0x0154UL
+#define HW_CSA_ADDR_6_REG_ADDR 0x0158UL
+#define HW_CSA_ADDR_7_REG_ADDR 0x015cUL
+#define HW_CSA_ADDR_8_REG_ADDR 0x0160UL
+#define HW_CSA_REG_ADDR 0x0140UL
+#define HW_SINB_REG_ADDR 0x0180UL
+#define HW_SOUTB_REG_ADDR 0x0184UL
+#define HW_PKI_CONTROL_REG_ADDR 0x01C0UL
+#define HW_PKI_STATUS_REG_ADDR 0x01C4UL
+#define HW_PKI_BUSY_REG_ADDR 0x01C8UL
+#define HW_PKI_A_1025_REG_ADDR 0x01CCUL
+#define HW_PKI_SDMA_CTL_REG_ADDR 0x01D0UL
+#define HW_PKI_SDMA_OFFSET_REG_ADDR 0x01D4UL
+#define HW_PKI_SDMA_POINTERS_REG_ADDR 0x01D8UL
+#define HW_PKI_SDMA_DLENG_REG_ADDR 0x01DCUL
+#define HW_PKI_SDMA_EXP_POINTERS_REG_ADDR 0x01E0UL
+#define HW_PKI_SDMA_RES_POINTERS_REG_ADDR 0x01E4UL
+#define HW_PKI_CLR_REG_ADDR 0x01E8UL
+#define HW_PKI_SDMA_BUSY_REG_ADDR 0x01E8UL
+#define HW_PKI_SDMA_FIRST_EXP_N_REG_ADDR 0x01ECUL
+#define HW_PKI_SDMA_MUL_BY1_REG_ADDR 0x01F0UL
+#define HW_PKI_SDMA_RMUL_SEL_REG_ADDR 0x01F4UL
+#define HW_DES_KEY_0_REG_ADDR 0x0208UL
+#define HW_DES_KEY_1_REG_ADDR 0x020CUL
+#define HW_DES_KEY_2_REG_ADDR 0x0210UL
+#define HW_DES_KEY_3_REG_ADDR 0x0214UL
+#define HW_DES_KEY_4_REG_ADDR 0x0218UL
+#define HW_DES_KEY_5_REG_ADDR 0x021CUL
+#define HW_DES_CONTROL_0_REG_ADDR 0x0220UL
+#define HW_DES_CONTROL_1_REG_ADDR 0x0224UL
+#define HW_DES_IV_0_REG_ADDR 0x0228UL
+#define HW_DES_IV_1_REG_ADDR 0x022CUL
+#define HW_AES_KEY_0_ADDR_0_REG_ADDR 0x0400UL
+#define HW_AES_KEY_0_ADDR_1_REG_ADDR 0x0404UL
+#define HW_AES_KEY_0_ADDR_2_REG_ADDR 0x0408UL
+#define HW_AES_KEY_0_ADDR_3_REG_ADDR 0x040cUL
+#define HW_AES_KEY_0_ADDR_4_REG_ADDR 0x0410UL
+#define HW_AES_KEY_0_ADDR_5_REG_ADDR 0x0414UL
+#define HW_AES_KEY_0_ADDR_6_REG_ADDR 0x0418UL
+#define HW_AES_KEY_0_ADDR_7_REG_ADDR 0x041cUL
+#define HW_AES_KEY_0_REG_ADDR 0x0400UL
+#define HW_AES_IV_0_ADDR_0_REG_ADDR 0x0440UL
+#define HW_AES_IV_0_ADDR_1_REG_ADDR 0x0444UL
+#define HW_AES_IV_0_ADDR_2_REG_ADDR 0x0448UL
+#define HW_AES_IV_0_ADDR_3_REG_ADDR 0x044cUL
+#define HW_AES_IV_0_REG_ADDR 0x0440UL
+#define HW_AES_CTR1_ADDR_0_REG_ADDR 0x0460UL
+#define HW_AES_CTR1_ADDR_1_REG_ADDR 0x0464UL
+#define HW_AES_CTR1_ADDR_2_REG_ADDR 0x0468UL
+#define HW_AES_CTR1_ADDR_3_REG_ADDR 0x046cUL
+#define HW_AES_CTR1_REG_ADDR 0x0460UL
+#define HW_AES_SK_REG_ADDR 0x0478UL
+#define HW_AES_MAC_OK_REG_ADDR 0x0480UL
+#define HW_AES_PREV_IV_0_ADDR_0_REG_ADDR 0x0490UL
+#define HW_AES_PREV_IV_0_ADDR_1_REG_ADDR 0x0494UL
+#define HW_AES_PREV_IV_0_ADDR_2_REG_ADDR 0x0498UL
+#define HW_AES_PREV_IV_0_ADDR_3_REG_ADDR 0x049cUL
+#define HW_AES_PREV_IV_0_REG_ADDR 0x0490UL
+#define HW_AES_CONTROL_REG_ADDR 0x04C0UL
+#define HW_HASH_H0_REG_ADDR 0x0640UL
+#define HW_HASH_H1_REG_ADDR 0x0644UL
+#define HW_HASH_H2_REG_ADDR 0x0648UL
+#define HW_HASH_H3_REG_ADDR 0x064CUL
+#define HW_HASH_H4_REG_ADDR 0x0650UL
+#define HW_HASH_H5_REG_ADDR 0x0654UL
+#define HW_HASH_H6_REG_ADDR 0x0658UL
+#define HW_HASH_H7_REG_ADDR 0x065CUL
+#define HW_HASH_H8_REG_ADDR 0x0660UL
+#define HW_HASH_H9_REG_ADDR 0x0664UL
+#define HW_HASH_H10_REG_ADDR 0x0668UL
+#define HW_HASH_H11_REG_ADDR 0x066CUL
+#define HW_HASH_H12_REG_ADDR 0x0670UL
+#define HW_HASH_H13_REG_ADDR 0x0674UL
+#define HW_HASH_H14_REG_ADDR 0x0678UL
+#define HW_HASH_H15_REG_ADDR 0x067CUL
+#define HW_HASH_CONTROL_REG_ADDR 0x07C0UL
+#define HW_HASH_PAD_EN_REG_ADDR 0x07C4UL
+#define HW_HASH_PAD_CFG_REG_ADDR 0x07C8UL
+#define HW_HASH_CUR_LEN_0_REG_ADDR 0x07CCUL
+#define HW_HASH_CUR_LEN_1_REG_ADDR 0x07D0UL
+#define HW_HASH_CUR_LEN_2_REG_ADDR 0x07D4UL
+#define HW_HASH_CUR_LEN_3_REG_ADDR 0x07D8UL
+#define HW_HASH_PARAM_REG_ADDR 0x07DCUL
+#define HW_HASH_INT_BUSY_REG_ADDR 0x07E0UL
+#define HW_HASH_SW_RESET_REG_ADDR 0x07E4UL
+#define HW_HASH_ENDIANESS_REG_ADDR 0x07E8UL
+#define HW_HASH_DATA_REG_ADDR 0x07ECUL
+#define HW_DRNG_CONTROL_REG_ADDR 0x0800UL
+#define HW_DRNG_VALID_REG_ADDR 0x0804UL
+#define HW_DRNG_DATA_REG_ADDR 0x0808UL
+#define HW_RND_SRC_EN_REG_ADDR 0x080CUL
+#define HW_AES_CLK_ENABLE_REG_ADDR 0x0810UL
+#define HW_DES_CLK_ENABLE_REG_ADDR 0x0814UL
+#define HW_HASH_CLK_ENABLE_REG_ADDR 0x0818UL
+#define HW_PKI_CLK_ENABLE_REG_ADDR 0x081CUL
+#define HW_CLK_STATUS_REG_ADDR 0x0824UL
+#define HW_CLK_ENABLE_REG_ADDR 0x0828UL
+#define HW_DRNG_SAMPLE_REG_ADDR 0x0850UL
+#define HW_RND_SRC_CTL_REG_ADDR 0x0858UL
+#define HW_CRYPTO_CTL_REG_ADDR 0x0900UL
+#define HW_CRYPTO_STATUS_REG_ADDR 0x090CUL
+#define HW_CRYPTO_BUSY_REG_ADDR 0x0910UL
+#define HW_AES_BUSY_REG_ADDR 0x0914UL
+#define HW_DES_BUSY_REG_ADDR 0x0918UL
+#define HW_HASH_BUSY_REG_ADDR 0x091CUL
+#define HW_CONTENT_REG_ADDR 0x0924UL
+#define HW_VERSION_REG_ADDR 0x0928UL
+#define HW_CONTEXT_ID_REG_ADDR 0x0930UL
+#define HW_DIN_BUFFER_REG_ADDR 0x0C00UL
+#define HW_DIN_MEM_DMA_BUSY_REG_ADDR 0x0c20UL
+#define HW_SRC_LLI_MEM_ADDR_REG_ADDR 0x0c24UL
+#define HW_SRC_LLI_WORD0_REG_ADDR 0x0C28UL
+#define HW_SRC_LLI_WORD1_REG_ADDR 0x0C2CUL
+#define HW_SRAM_SRC_ADDR_REG_ADDR 0x0c30UL
+#define HW_DIN_SRAM_BYTES_LEN_REG_ADDR 0x0c34UL
+#define HW_DIN_SRAM_DMA_BUSY_REG_ADDR 0x0C38UL
+#define HW_WRITE_ALIGN_REG_ADDR 0x0C3CUL
+#define HW_OLD_DATA_REG_ADDR 0x0C48UL
+#define HW_WRITE_ALIGN_LAST_REG_ADDR 0x0C4CUL
+#define HW_DOUT_BUFFER_REG_ADDR 0x0C00UL
+#define HW_DST_LLI_WORD0_REG_ADDR 0x0D28UL
+#define HW_DST_LLI_WORD1_REG_ADDR 0x0D2CUL
+#define HW_DST_LLI_MEM_ADDR_REG_ADDR 0x0D24UL
+#define HW_DOUT_MEM_DMA_BUSY_REG_ADDR 0x0D20UL
+#define HW_SRAM_DEST_ADDR_REG_ADDR 0x0D30UL
+#define HW_DOUT_SRAM_BYTES_LEN_REG_ADDR 0x0D34UL
+#define HW_DOUT_SRAM_DMA_BUSY_REG_ADDR 0x0D38UL
+#define HW_READ_ALIGN_REG_ADDR 0x0D3CUL
+#define HW_READ_LAST_DATA_REG_ADDR 0x0D44UL
+#define HW_RC4_THRU_CPU_REG_ADDR 0x0D4CUL
+#define HW_AHB_SINGLE_REG_ADDR 0x0E00UL
+#define HW_SRAM_DATA_REG_ADDR 0x0F00UL
+#define HW_SRAM_ADDR_REG_ADDR 0x0F04UL
+#define HW_SRAM_DATA_READY_REG_ADDR 0x0F08UL
+#define HW_HOST_IRR_REG_ADDR 0x0A00UL
+#define HW_HOST_IMR_REG_ADDR 0x0A04UL
+#define HW_HOST_ICR_REG_ADDR 0x0A08UL
+#define HW_HOST_SEP_SRAM_THRESHOLD_REG_ADDR 0x0A10UL
+#define HW_HOST_SEP_BUSY_REG_ADDR 0x0A14UL
+#define HW_HOST_SEP_LCS_REG_ADDR 0x0A18UL
+#define HW_HOST_CC_SW_RST_REG_ADDR 0x0A40UL
+#define HW_HOST_SEP_SW_RST_REG_ADDR 0x0A44UL
+#define HW_HOST_FLOW_DMA_SW_INT0_REG_ADDR 0x0A80UL
+#define HW_HOST_FLOW_DMA_SW_INT1_REG_ADDR 0x0A84UL
+#define HW_HOST_FLOW_DMA_SW_INT2_REG_ADDR 0x0A88UL
+#define HW_HOST_FLOW_DMA_SW_INT3_REG_ADDR 0x0A8cUL
+#define HW_HOST_FLOW_DMA_SW_INT4_REG_ADDR 0x0A90UL
+#define HW_HOST_FLOW_DMA_SW_INT5_REG_ADDR 0x0A94UL
+#define HW_HOST_FLOW_DMA_SW_INT6_REG_ADDR 0x0A98UL
+#define HW_HOST_FLOW_DMA_SW_INT7_REG_ADDR 0x0A9cUL
+#define HW_HOST_SEP_HOST_GPR0_REG_ADDR 0x0B00UL
+#define HW_HOST_SEP_HOST_GPR1_REG_ADDR 0x0B04UL
+#define HW_HOST_SEP_HOST_GPR2_REG_ADDR 0x0B08UL
+#define HW_HOST_SEP_HOST_GPR3_REG_ADDR 0x0B0CUL
+#define HW_HOST_HOST_SEP_GPR0_REG_ADDR 0x0B80UL
+#define HW_HOST_HOST_SEP_GPR1_REG_ADDR 0x0B84UL
+#define HW_HOST_HOST_SEP_GPR2_REG_ADDR 0x0B88UL
+#define HW_HOST_HOST_SEP_GPR3_REG_ADDR 0x0B8CUL
+#define HW_HOST_HOST_ENDIAN_REG_ADDR 0x0B90UL
+#define HW_HOST_HOST_COMM_CLK_EN_REG_ADDR 0x0B94UL
+#define HW_CLR_SRAM_BUSY_REG_REG_ADDR 0x0F0CUL
+#define HW_CC_SRAM_BASE_ADDRESS 0x5800UL
+
+#endif /* ifndef HW_DEFS */