freebsd-dev/sys/dev/qlnx/qlnxr/qlnxr_user.h
David C Somayajulu fa790ea99f Add RDMA (iWARP and RoCEv1) support
David Somayajulu (davidcs): Overall RDMA Driver infrastructure and iWARP
Anand Khoje (akhoje@marvell.com): RoCEv1 verbs implementation

MFC after:5 days
2019-01-31 00:09:38 +00:00

113 lines
2.9 KiB
C

/*
* Copyright (c) 2018-2019 Cavium, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* $FreeBSD$
*
*/
#ifndef __QLNXR_USER_H__
#define __QLNXR_USER_H__
#define QLNXR_ABI_VERSION (7)
#define QLNXR_BE_ROCE_ABI_VERSION (1)
/* user kernel communication data structures. */
struct qlnxr_alloc_ucontext_resp {
u64 db_pa;
u32 db_size;
uint32_t max_send_wr;
uint32_t max_recv_wr;
uint32_t max_srq_wr;
uint32_t sges_per_send_wr;
uint32_t sges_per_recv_wr;
uint32_t sges_per_srq_wr;
int max_cqes;
uint8_t dpm_enabled;
uint8_t wids_enabled;
uint16_t wid_count;
};
struct qlnxr_alloc_pd_ureq {
u64 rsvd1;
};
struct qlnxr_alloc_pd_uresp {
u32 pd_id;
};
struct qlnxr_create_cq_ureq {
uint64_t addr; /* user space virtual address of CQ buffer */
size_t len; /* size of CQ buffer */
};
struct qlnxr_create_cq_uresp {
u32 db_offset;
u16 icid;
};
struct qlnxr_create_qp_ureq {
u32 qp_handle_hi;
u32 qp_handle_lo;
/* SQ */
uint64_t sq_addr; /* user space virtual address of SQ buffer */
size_t sq_len; /* length of SQ buffer */
/* RQ */
uint64_t rq_addr; /* user space virtual address of RQ buffer */
size_t rq_len; /* length of RQ buffer */
};
struct qlnxr_create_qp_uresp {
u32 qp_id;
int atomic_supported;
/* SQ*/
u32 sq_db_offset;
u16 sq_icid;
/* RQ */
u32 rq_db_offset;
u16 rq_icid;
u32 rq_db2_offset;
};
struct qlnxr_create_srq_ureq {
/* user space virtual address of producer pair */
uint64_t prod_pair_addr;
uint64_t srq_addr; /* user space virtual address of SQ buffer */
size_t srq_len; /* length of SQ buffer */
};
struct qlnxr_create_srq_uresp {
u16 srq_id;
};
#endif /* #ifndef __QLNXR_USER_H__ */