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ehca_mrmw.h

/*
 *  IBM eServer eHCA Infiniband device driver for Linux on POWER
 *
 *  MR/MW declarations and inline functions
 *
 *  Authors: Dietmar Decker <ddecker@de.ibm.com>
 *           Christoph Raisch <raisch@de.ibm.com>
 *
 *  Copyright (c) 2005 IBM Corporation
 *
 *  All rights reserved.
 *
 *  This source code is distributed under a dual license of GPL v2.0 and OpenIB
 *  BSD.
 *
 * OpenIB BSD License
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials
 * provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _EHCA_MRMW_H_
#define _EHCA_MRMW_H_

int ehca_reg_mr(struct ehca_shca *shca,
            struct ehca_mr *e_mr,
            u64 *iova_start,
            u64 size,
            int acl,
            struct ehca_pd *e_pd,
            struct ehca_mr_pginfo *pginfo,
            u32 *lkey,
            u32 *rkey);

int ehca_reg_mr_rpages(struct ehca_shca *shca,
                   struct ehca_mr *e_mr,
                   struct ehca_mr_pginfo *pginfo);

int ehca_rereg_mr(struct ehca_shca *shca,
              struct ehca_mr *e_mr,
              u64 *iova_start,
              u64 size,
              int mr_access_flags,
              struct ehca_pd *e_pd,
              struct ehca_mr_pginfo *pginfo,
              u32 *lkey,
              u32 *rkey);

int ehca_unmap_one_fmr(struct ehca_shca *shca,
                   struct ehca_mr *e_fmr);

int ehca_reg_smr(struct ehca_shca *shca,
             struct ehca_mr *e_origmr,
             struct ehca_mr *e_newmr,
             u64 *iova_start,
             int acl,
             struct ehca_pd *e_pd,
             u32 *lkey,
             u32 *rkey);

int ehca_reg_internal_maxmr(struct ehca_shca *shca,
                      struct ehca_pd *e_pd,
                      struct ehca_mr **maxmr);

int ehca_reg_maxmr(struct ehca_shca *shca,
               struct ehca_mr *e_newmr,
               u64 *iova_start,
               int acl,
               struct ehca_pd *e_pd,
               u32 *lkey,
               u32 *rkey);

int ehca_dereg_internal_maxmr(struct ehca_shca *shca);

int ehca_mr_chk_buf_and_calc_size(struct ib_phys_buf *phys_buf_array,
                          int num_phys_buf,
                          u64 *iova_start,
                          u64 *size);

int ehca_fmr_check_page_list(struct ehca_mr *e_fmr,
                       u64 *page_list,
                       int list_len);

int ehca_set_pagebuf(struct ehca_mr_pginfo *pginfo,
                 u32 number,
                 u64 *kpage);

int ehca_mr_is_maxmr(u64 size,
                 u64 *iova_start);

void ehca_mrmw_map_acl(int ib_acl,
                   u32 *hipz_acl);

void ehca_mrmw_set_pgsize_hipz_acl(u32 pgsize, u32 *hipz_acl);

void ehca_mrmw_reverse_map_acl(const u32 *hipz_acl,
                         int *ib_acl);

void ehca_mr_deletenew(struct ehca_mr *mr);

#endif  /*_EHCA_MRMW_H_*/

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