/* * 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_*/