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/*
* 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_
enum ehca_reg_type {
EHCA_REG_MR,
EHCA_REG_BUSMAP_MR
};
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,
enum ehca_reg_type reg_type);
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);
int ehca_create_busmap(void);
void ehca_destroy_busmap(void);
extern struct ib_dma_mapping_ops ehca_dma_mapping_ops;
#endif /*_EHCA_MRMW_H_*/
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