[linux.git] / drivers / infiniband / hw / ocrdma / ocrdma_abi.h

/* This file is part of the Emulex RoCE Device Driver for
 * RoCE (RDMA over Converged Ethernet) adapters.
 * Copyright (C) 2012-2015 Emulex. All rights reserved.
 * EMULEX and SLI are trademarks of Emulex.
 * www.emulex.com
 *
 * This software is available to you under a choice of one of two licenses.
 * You may choose to be licensed under the terms of the GNU General Public
 * License (GPL) Version 2, available from the file COPYING in the main
 * directory of this source tree, or the BSD license below:
 *
 * 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 HOLDER 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.
 *
 * Contact Information:
 * [email protected]
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */

#ifndef __OCRDMA_ABI_H__
#define __OCRDMA_ABI_H__

#define OCRDMA_ABI_VERSION 2
#define OCRDMA_BE_ROCE_ABI_VERSION 1
/* user kernel communication data structures. */

struct ocrdma_alloc_ucontext_resp {
	u32 dev_id;
	u32 wqe_size;
	u32 max_inline_data;
	u32 dpp_wqe_size;
	u64 ah_tbl_page;
	u32 ah_tbl_len;
	u32 rqe_size;
	u8 fw_ver[32];
	/* for future use/new features in progress */
	u64 rsvd1;
	u64 rsvd2;
};

struct ocrdma_alloc_pd_ureq {
	u64 rsvd1;
};

struct ocrdma_alloc_pd_uresp {
	u32 id;
	u32 dpp_enabled;
	u32 dpp_page_addr_hi;
	u32 dpp_page_addr_lo;
	u64 rsvd1;
};

struct ocrdma_create_cq_ureq {
	u32 dpp_cq;
	u32 rsvd; /* pad */
};

#define MAX_CQ_PAGES 8
struct ocrdma_create_cq_uresp {
	u32 cq_id;
	u32 page_size;
	u32 num_pages;
	u32 max_hw_cqe;
	u64 page_addr[MAX_CQ_PAGES];
	u64 db_page_addr;
	u32 db_page_size;
	u32 phase_change;
	/* for future use/new features in progress */
	u64 rsvd1;
	u64 rsvd2;
};

#define MAX_QP_PAGES 8
#define MAX_UD_AV_PAGES 8

struct ocrdma_create_qp_ureq {
	u8 enable_dpp_cq;
	u8 rsvd;
	u16 dpp_cq_id;
	u32 rsvd1;	/* pad */
};

struct ocrdma_create_qp_uresp {
	u16 qp_id;
	u16 sq_dbid;
	u16 rq_dbid;
	u16 resv0;	/* pad */
	u32 sq_page_size;
	u32 rq_page_size;
	u32 num_sq_pages;
	u32 num_rq_pages;
	u64 sq_page_addr[MAX_QP_PAGES];
	u64 rq_page_addr[MAX_QP_PAGES];
	u64 db_page_addr;
	u32 db_page_size;
	u32 dpp_credit;
	u32 dpp_offset;
	u32 num_wqe_allocated;
	u32 num_rqe_allocated;
	u32 db_sq_offset;
	u32 db_rq_offset;
	u32 db_shift;
	u64 rsvd[11];
} __packed;

struct ocrdma_create_srq_uresp {
	u16 rq_dbid;
	u16 resv0;	/* pad */
	u32 resv1;

	u32 rq_page_size;
	u32 num_rq_pages;

	u64 rq_page_addr[MAX_QP_PAGES];
	u64 db_page_addr;

	u32 db_page_size;
	u32 num_rqe_allocated;
	u32 db_rq_offset;
	u32 db_shift;

	u64 rsvd2;
	u64 rsvd3;
};

#endif				/* __OCRDMA_ABI_H__ */
Commit	Line	Data
71ee6730 DS	1	/* This file is part of the Emulex RoCE Device Driver for
	2	* RoCE (RDMA over Converged Ethernet) adapters.
	3	* Copyright (C) 2012-2015 Emulex. All rights reserved.
	4	* EMULEX and SLI are trademarks of Emulex.
	5	* www.emulex.com
	6	*
	7	* This software is available to you under a choice of one of two licenses.
	8	* You may choose to be licensed under the terms of the GNU General Public
	9	* License (GPL) Version 2, available from the file COPYING in the main
	10	* directory of this source tree, or the BSD license below:
	11	*
	12	* Redistribution and use in source and binary forms, with or without
	13	* modification, are permitted provided that the following conditions
	14	* are met:
	15	*
	16	* - Redistributions of source code must retain the above copyright notice,
	17	* this list of conditions and the following disclaimer.
	18	*
	19	* - Redistributions in binary form must reproduce the above copyright
	20	* notice, this list of conditions and the following disclaimer in
	21	* the documentation and/or other materials provided with the distribution.
	22	*
	23	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	24	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
	25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	26	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	27	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	28	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	29	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	30	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	31	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	32	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	33	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
fe2caefc PP	34	*
	35	* Contact Information:
	36	* [email protected]
	37	*
	38	* Emulex
	39	* 3333 Susan Street
	40	* Costa Mesa, CA 92626
71ee6730	41	*/
fe2caefc PP	42
	43	#ifndef __OCRDMA_ABI_H__
	44	#define __OCRDMA_ABI_H__
	45
2e6e9f2b	46	#define OCRDMA_ABI_VERSION 2
b6b87d2e	47	#define OCRDMA_BE_ROCE_ABI_VERSION 1
7b9b1a59 NG	48	/* user kernel communication data structures. */
7b9b1a59 NG	49
fe2caefc PP	50	struct ocrdma_alloc_ucontext_resp {
	51	u32 dev_id;
	52	u32 wqe_size;
	53	u32 max_inline_data;
	54	u32 dpp_wqe_size;
	55	u64 ah_tbl_page;
	56	u32 ah_tbl_len;
fe2caefc	57	u32 rqe_size;
7b9b1a59 NG	58	u8 fw_ver[32];
7b9b1a59 NG	59	/* for future use/new features in progress */
fe2caefc	60	u64 rsvd1;
7b9b1a59 NG	61	u64 rsvd2;
7b9b1a59 NG	62	};
fe2caefc	63
fe2caefc PP	64	struct ocrdma_alloc_pd_ureq {
fe2caefc PP	65	u64 rsvd1;
7b9b1a59	66	};
fe2caefc PP	67
	68	struct ocrdma_alloc_pd_uresp {
	69	u32 id;
	70	u32 dpp_enabled;
	71	u32 dpp_page_addr_hi;
	72	u32 dpp_page_addr_lo;
	73	u64 rsvd1;
7b9b1a59	74	};
fe2caefc PP	75
	76	struct ocrdma_create_cq_ureq {
	77	u32 dpp_cq;
7b9b1a59 NG	78	u32 rsvd; /* pad */
7b9b1a59 NG	79	};
fe2caefc PP	80
	81	#define MAX_CQ_PAGES 8
	82	struct ocrdma_create_cq_uresp {
	83	u32 cq_id;
	84	u32 page_size;
	85	u32 num_pages;
	86	u32 max_hw_cqe;
	87	u64 page_addr[MAX_CQ_PAGES];
	88	u64 db_page_addr;
	89	u32 db_page_size;
	90	u32 phase_change;
7b9b1a59	91	/* for future use/new features in progress */
fe2caefc PP	92	u64 rsvd1;
fe2caefc PP	93	u64 rsvd2;
7b9b1a59	94	};
fe2caefc PP	95
	96	#define MAX_QP_PAGES 8
	97	#define MAX_UD_AV_PAGES 8
	98
	99	struct ocrdma_create_qp_ureq {
	100	u8 enable_dpp_cq;
	101	u8 rsvd;
	102	u16 dpp_cq_id;
7b9b1a59	103	u32 rsvd1; /* pad */
fe2caefc PP	104	};
	105
	106	struct ocrdma_create_qp_uresp {
	107	u16 qp_id;
	108	u16 sq_dbid;
	109	u16 rq_dbid;
7b9b1a59	110	u16 resv0; /* pad */
fe2caefc PP	111	u32 sq_page_size;
	112	u32 rq_page_size;
	113	u32 num_sq_pages;
	114	u32 num_rq_pages;
	115	u64 sq_page_addr[MAX_QP_PAGES];
	116	u64 rq_page_addr[MAX_QP_PAGES];
	117	u64 db_page_addr;
	118	u32 db_page_size;
	119	u32 dpp_credit;
	120	u32 dpp_offset;
fe2caefc PP	121	u32 num_wqe_allocated;
fe2caefc PP	122	u32 num_rqe_allocated;
fe2caefc PP	123	u32 db_sq_offset;
	124	u32 db_rq_offset;
	125	u32 db_shift;
fad51b7d	126	u64 rsvd[11];
fe2caefc PP	127	} __packed;
	128
	129	struct ocrdma_create_srq_uresp {
	130	u16 rq_dbid;
7b9b1a59	131	u16 resv0; /* pad */
fe2caefc PP	132	u32 resv1;
	133
	134	u32 rq_page_size;
	135	u32 num_rq_pages;
	136
	137	u64 rq_page_addr[MAX_QP_PAGES];
	138	u64 db_page_addr;
	139
	140	u32 db_page_size;
	141	u32 num_rqe_allocated;
	142	u32 db_rq_offset;
	143	u32 db_shift;
	144
cd4fedf9	145	u64 rsvd2;
fe2caefc	146	u64 rsvd3;
7b9b1a59	147	};
fe2caefc PP	148
fe2caefc PP	149	#endif /* __OCRDMA_ABI_H__ */