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kernel/linux-rt-4.4.41/drivers/iommu/shmobile-ipmmu.h 875 Bytes
5113f6f70   김현기   kernel add
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  /* shmobile-ipmmu.h
   *
   * Copyright (C) 2012  Hideki EIRAKU
   *
   * 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; version 2 of the License.
   */
  
  #ifndef __SHMOBILE_IPMMU_H__
  #define __SHMOBILE_IPMMU_H__
  
  struct shmobile_ipmmu {
  	struct device *dev;
  	void __iomem *ipmmu_base;
  	int tlb_enabled;
  	spinlock_t flush_lock;
  	const char * const *dev_names;
  	unsigned int num_dev_names;
  };
  
  #ifdef CONFIG_SHMOBILE_IPMMU_TLB
  void ipmmu_tlb_flush(struct shmobile_ipmmu *ipmmu);
  void ipmmu_tlb_set(struct shmobile_ipmmu *ipmmu, unsigned long phys, int size,
  		   int asid);
  int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu);
  #else
  static inline int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu)
  {
  	return -EINVAL;
  }
  #endif
  
  #endif /* __SHMOBILE_IPMMU_H__ */