[linux-2.6-block.git] / drivers / infiniband / hw / ehca / 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_

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_*/
Commit	Line	Data
fab97220 HS	1	/*
	2	* IBM eServer eHCA Infiniband device driver for Linux on POWER
	3	*
	4	* MR/MW declarations and inline functions
	5	*
	6	* Authors: Dietmar Decker <ddecker@de.ibm.com>
	7	* Christoph Raisch <raisch@de.ibm.com>
	8	*
	9	* Copyright (c) 2005 IBM Corporation
	10	*
	11	* All rights reserved.
	12	*
	13	* This source code is distributed under a dual license of GPL v2.0 and OpenIB
	14	* BSD.
	15	*
	16	* OpenIB BSD License
	17	*
	18	* Redistribution and use in source and binary forms, with or without
	19	* modification, are permitted provided that the following conditions are met:
	20	*
	21	* Redistributions of source code must retain the above copyright notice, this
	22	* list of conditions and the following disclaimer.
	23	*
	24	* Redistributions in binary form must reproduce the above copyright notice,
	25	* this list of conditions and the following disclaimer in the documentation
	26	* and/or other materials
	27	* provided with the distribution.
	28	*
	29	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	30	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	31	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	32	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	33	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	34	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	35	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	36	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
	37	* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	38	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	39	* POSSIBILITY OF SUCH DAMAGE.
	40	*/
	41
	42	#ifndef _EHCA_MRMW_H_
	43	#define _EHCA_MRMW_H_
	44
0cf89dcd HH	45	enum ehca_reg_type {
	46	EHCA_REG_MR,
	47	EHCA_REG_BUSMAP_MR
	48	};
	49
fab97220 HS	50	int ehca_reg_mr(struct ehca_shca *shca,
	51	struct ehca_mr *e_mr,
	52	u64 *iova_start,
	53	u64 size,
	54	int acl,
	55	struct ehca_pd *e_pd,
	56	struct ehca_mr_pginfo *pginfo,
	57	u32 *lkey,
0cf89dcd HH	58	u32 *rkey,
0cf89dcd HH	59	enum ehca_reg_type reg_type);
fab97220 HS	60
	61	int ehca_reg_mr_rpages(struct ehca_shca *shca,
	62	struct ehca_mr *e_mr,
	63	struct ehca_mr_pginfo *pginfo);
	64
	65	int ehca_rereg_mr(struct ehca_shca *shca,
	66	struct ehca_mr *e_mr,
	67	u64 *iova_start,
	68	u64 size,
	69	int mr_access_flags,
	70	struct ehca_pd *e_pd,
	71	struct ehca_mr_pginfo *pginfo,
	72	u32 *lkey,
	73	u32 *rkey);
	74
	75	int ehca_unmap_one_fmr(struct ehca_shca *shca,
	76	struct ehca_mr *e_fmr);
	77
	78	int ehca_reg_smr(struct ehca_shca *shca,
	79	struct ehca_mr *e_origmr,
	80	struct ehca_mr *e_newmr,
	81	u64 *iova_start,
	82	int acl,
	83	struct ehca_pd *e_pd,
	84	u32 *lkey,
	85	u32 *rkey);
	86
	87	int ehca_reg_internal_maxmr(struct ehca_shca *shca,
	88	struct ehca_pd *e_pd,
	89	struct ehca_mr **maxmr);
	90
	91	int ehca_reg_maxmr(struct ehca_shca *shca,
	92	struct ehca_mr *e_newmr,
	93	u64 *iova_start,
	94	int acl,
	95	struct ehca_pd *e_pd,
	96	u32 *lkey,
	97	u32 *rkey);
	98
	99	int ehca_dereg_internal_maxmr(struct ehca_shca *shca);
	100
	101	int ehca_mr_chk_buf_and_calc_size(struct ib_phys_buf *phys_buf_array,
	102	int num_phys_buf,
	103	u64 *iova_start,
	104	u64 *size);
	105
	106	int ehca_fmr_check_page_list(struct ehca_mr *e_fmr,
	107	u64 *page_list,
	108	int list_len);
	109
2b94397a	110	int ehca_set_pagebuf(struct ehca_mr_pginfo *pginfo,
fab97220 HS	111	u32 number,
	112	u64 *kpage);
	113
fab97220 HS	114	int ehca_mr_is_maxmr(u64 size,
	115	u64 *iova_start);
	116
	117	void ehca_mrmw_map_acl(int ib_acl,
	118	u32 *hipz_acl);
	119
5bb7d929	120	void ehca_mrmw_set_pgsize_hipz_acl(u32 pgsize, u32 *hipz_acl);
fab97220 HS	121
	122	void ehca_mrmw_reverse_map_acl(const u32 *hipz_acl,
	123	int *ib_acl);
	124
fab97220 HS	125	void ehca_mr_deletenew(struct ehca_mr *mr);
fab97220 HS	126
0cf89dcd HH	127	int ehca_create_busmap(void);
	128
	129	void ehca_destroy_busmap(void);
	130
	131	extern struct ib_dma_mapping_ops ehca_dma_mapping_ops;
fab97220	132	#endif /_EHCA_MRMW_H_/