[mirror_ubuntu-bionic-kernel.git] / include / uapi / rdma / 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:
 * linux-drivers@emulex.com
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */

#ifndef OCRDMA_ABI_USER_H
#define OCRDMA_ABI_USER_H

#include <linux/types.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_USER_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	* linux-drivers@emulex.com
	37	*
	38	* Emulex
	39	* 3333 Susan Street
	40	* Costa Mesa, CA 92626
71ee6730	41	*/
fe2caefc	42
a7fe7380 LR	43	#ifndef OCRDMA_ABI_USER_H
	44	#define OCRDMA_ABI_USER_H
	45
	46	#include <linux/types.h>
fe2caefc	47
2e6e9f2b	48	#define OCRDMA_ABI_VERSION 2
b6b87d2e	49	#define OCRDMA_BE_ROCE_ABI_VERSION 1
7b9b1a59 NG	50	/* user kernel communication data structures. */
7b9b1a59 NG	51
fe2caefc	52	struct ocrdma_alloc_ucontext_resp {
a7fe7380 LR	53	__u32 dev_id;
	54	__u32 wqe_size;
	55	__u32 max_inline_data;
	56	__u32 dpp_wqe_size;
	57	__u64 ah_tbl_page;
	58	__u32 ah_tbl_len;
	59	__u32 rqe_size;
	60	__u8 fw_ver[32];
7b9b1a59	61	/* for future use/new features in progress */
a7fe7380 LR	62	__u64 rsvd1;
a7fe7380 LR	63	__u64 rsvd2;
7b9b1a59	64	};
fe2caefc	65
fe2caefc	66	struct ocrdma_alloc_pd_ureq {
a7fe7380	67	__u64 rsvd1;
7b9b1a59	68	};
fe2caefc PP	69
fe2caefc PP	70	struct ocrdma_alloc_pd_uresp {
a7fe7380 LR	71	__u32 id;
	72	__u32 dpp_enabled;
	73	__u32 dpp_page_addr_hi;
	74	__u32 dpp_page_addr_lo;
	75	__u64 rsvd1;
7b9b1a59	76	};
fe2caefc PP	77
fe2caefc PP	78	struct ocrdma_create_cq_ureq {
a7fe7380 LR	79	__u32 dpp_cq;
a7fe7380 LR	80	__u32 rsvd; /* pad */
7b9b1a59	81	};
fe2caefc PP	82
	83	#define MAX_CQ_PAGES 8
	84	struct ocrdma_create_cq_uresp {
a7fe7380 LR	85	__u32 cq_id;
	86	__u32 page_size;
	87	__u32 num_pages;
	88	__u32 max_hw_cqe;
	89	__u64 page_addr[MAX_CQ_PAGES];
	90	__u64 db_page_addr;
	91	__u32 db_page_size;
	92	__u32 phase_change;
7b9b1a59	93	/* for future use/new features in progress */
a7fe7380 LR	94	__u64 rsvd1;
a7fe7380 LR	95	__u64 rsvd2;
7b9b1a59	96	};
fe2caefc PP	97
	98	#define MAX_QP_PAGES 8
	99	#define MAX_UD_AV_PAGES 8
	100
	101	struct ocrdma_create_qp_ureq {
a7fe7380 LR	102	__u8 enable_dpp_cq;
	103	__u8 rsvd;
	104	__u16 dpp_cq_id;
	105	__u32 rsvd1; /* pad */
fe2caefc PP	106	};
	107
	108	struct ocrdma_create_qp_uresp {
a7fe7380 LR	109	__u16 qp_id;
	110	__u16 sq_dbid;
	111	__u16 rq_dbid;
	112	__u16 resv0; /* pad */
	113	__u32 sq_page_size;
	114	__u32 rq_page_size;
	115	__u32 num_sq_pages;
	116	__u32 num_rq_pages;
	117	__u64 sq_page_addr[MAX_QP_PAGES];
	118	__u64 rq_page_addr[MAX_QP_PAGES];
	119	__u64 db_page_addr;
	120	__u32 db_page_size;
	121	__u32 dpp_credit;
	122	__u32 dpp_offset;
	123	__u32 num_wqe_allocated;
	124	__u32 num_rqe_allocated;
	125	__u32 db_sq_offset;
	126	__u32 db_rq_offset;
	127	__u32 db_shift;
	128	__u64 rsvd[11];
fe2caefc PP	129	} __packed;
	130
	131	struct ocrdma_create_srq_uresp {
a7fe7380 LR	132	__u16 rq_dbid;
	133	__u16 resv0; /* pad */
	134	__u32 resv1;
fe2caefc	135
a7fe7380 LR	136	__u32 rq_page_size;
a7fe7380 LR	137	__u32 num_rq_pages;
fe2caefc	138
a7fe7380 LR	139	__u64 rq_page_addr[MAX_QP_PAGES];
a7fe7380 LR	140	__u64 db_page_addr;
fe2caefc	141
a7fe7380 LR	142	__u32 db_page_size;
	143	__u32 num_rqe_allocated;
	144	__u32 db_rq_offset;
	145	__u32 db_shift;
fe2caefc	146
a7fe7380 LR	147	__u64 rsvd2;
a7fe7380 LR	148	__u64 rsvd3;
7b9b1a59	149	};
fe2caefc	150
a7fe7380	151	#endif /* OCRDMA_ABI_USER_H */