text: /* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
  /*
   * Copyright(c) 2016 Intel Corporation.
   */
  
  #ifndef DEF_RVTMR_H
  #define DEF_RVTMR_H
  
  #include <rdma/rdma_vt.h>
  
  struct rvt_mr {
  	struct ib_mr ibmr;
  	struct ib_umem *umem;
  	struct rvt_mregion mr;  /* must be last */
  };
  
  static inline struct rvt_mr *to_imr(struct ib_mr *ibmr)
  {
  	return container_of(ibmr, struct rvt_mr, ibmr);
  }
  
  int rvt_driver_mr_init(struct rvt_dev_info *rdi);
  void rvt_mr_exit(struct rvt_dev_info *rdi);
  
  /* Mem Regions */
  struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc);
  struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
  			      u64 virt_addr, int mr_access_flags,
  			      struct ib_udata *udata);
  int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
  struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
  			   u32 max_num_sg);
  int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
  		  int sg_nents, unsigned int *sg_offset);
  
  #endif          /* DEF_RVTMR_H */
  