text: /*
   * Copyright (c) 2013 TRUSTONIC LIMITED
   * 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
   * version 2 as published by the Free Software Foundation.
   *
   * 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.
   */
  #include <linux/module.h>
  
  #include "main.h"
  #include "mem.h"
  #include "debug.h"
  
  int mobicore_map_vmem(struct mc_instance *instance, void *addr,
  	uint32_t len, uint32_t *handle)
  {
  	phys_addr_t phys;
  	return mc_register_wsm_mmu(instance, addr, len,
  		handle, &phys);
  }
  EXPORT_SYMBOL(mobicore_map_vmem);
  
  /*
   * Unmap a virtual memory buffer from mobicore
   * @param instance
   * @param handle
   *
   * @return 0 if no error
   *
   */
  int mobicore_unmap_vmem(struct mc_instance *instance, uint32_t handle)
  {
  	return mc_unregister_wsm_mmu(instance, handle);
  }
  EXPORT_SYMBOL(mobicore_unmap_vmem);
  
  /*
   * Free a WSM buffer allocated with mobicore_allocate_wsm
   * @param instance
   * @param handle		handle of the buffer
   *
   * @return 0 if no error
   *
   */
  int mobicore_free_wsm(struct mc_instance *instance, uint32_t handle)
  {
  	return mc_free_buffer(instance, handle);
  }
  EXPORT_SYMBOL(mobicore_free_wsm);
  
  
  /*
   * Allocate WSM for given instance
   *
   * @param instance		instance
   * @param requested_size		size of the WSM
   * @param handle		pointer where the handle will be saved
   * @param virt_kernel_addr	pointer for the kernel virtual address
   *
   * @return error code or 0 for success
   */
  int mobicore_allocate_wsm(struct mc_instance *instance,
  	unsigned long requested_size, uint32_t *handle, void **virt_kernel_addr)
  {
  	struct mc_buffer *buffer = NULL;
  
  	/* Setup the WSM buffer structure! */
  	if (mc_get_buffer(instance, &buffer, requested_size))
  		return -EFAULT;
  
  	*handle = buffer->handle;
  	*virt_kernel_addr = buffer->addr;
  	return 0;
  }
  EXPORT_SYMBOL(mobicore_allocate_wsm);
  
  /*
   * Initialize a new mobicore API instance object
   *
   * @return Instance or NULL if no allocation was possible.
   */
  struct mc_instance *mobicore_open(void)
  {
  	struct mc_instance *instance = mc_alloc_instance();
  	if (instance)
  		instance->admin = true;
  	return instance;
  }
  EXPORT_SYMBOL(mobicore_open);
  
  /*
   * Release a mobicore instance object and all objects related to it
   * @param instance instance
   * @return 0 if Ok or -E ERROR
   */
  int mobicore_release(struct mc_instance *instance)
  {
  	return mc_release_instance(instance);
  }
  EXPORT_SYMBOL(mobicore_release);
  
  /*
   * Test if mobicore can sleep
   *
   * @return true if mobicore can sleep, false if it can't sleep
   */
  bool mobicore_sleep_ready(void)
  {
  	return mc_sleep_ready();
  }
  EXPORT_SYMBOL(mobicore_sleep_ready);
  
  