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3875439715
Add ABI versioning support between driver and userspace library. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
136 lines
3.2 KiB
C
136 lines
3.2 KiB
C
/*******************************************************************
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* This file is part of the Emulex RoCE Device Driver for *
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* RoCE (RDMA over Converged Ethernet) adapters. *
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* Copyright (C) 2008-2012 Emulex. All rights reserved. *
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* EMULEX and SLI are trademarks of Emulex. *
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* www.emulex.com *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of version 2 of the GNU General *
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* Public License as published by the Free Software Foundation. *
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* This program is distributed in the hope that it will be useful. *
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* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
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* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
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* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
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* TO BE LEGALLY INVALID. See the GNU General Public License for *
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* more details, a copy of which can be found in the file COPYING *
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* included with this package. *
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*
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* Contact Information:
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* linux-drivers@emulex.com
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*
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* Emulex
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* 3333 Susan Street
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* Costa Mesa, CA 92626
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*******************************************************************/
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#ifndef __OCRDMA_ABI_H__
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#define __OCRDMA_ABI_H__
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#define OCRDMA_ABI_VERSION 1
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/* user kernel communication data structures. */
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struct ocrdma_alloc_ucontext_resp {
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u32 dev_id;
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u32 wqe_size;
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u32 max_inline_data;
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u32 dpp_wqe_size;
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u64 ah_tbl_page;
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u32 ah_tbl_len;
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u32 rqe_size;
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u8 fw_ver[32];
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/* for future use/new features in progress */
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u64 rsvd1;
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u64 rsvd2;
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};
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struct ocrdma_alloc_pd_ureq {
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u64 rsvd1;
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};
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struct ocrdma_alloc_pd_uresp {
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u32 id;
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u32 dpp_enabled;
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u32 dpp_page_addr_hi;
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u32 dpp_page_addr_lo;
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u64 rsvd1;
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};
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struct ocrdma_create_cq_ureq {
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u32 dpp_cq;
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u32 rsvd; /* pad */
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};
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#define MAX_CQ_PAGES 8
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struct ocrdma_create_cq_uresp {
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u32 cq_id;
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u32 page_size;
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u32 num_pages;
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u32 max_hw_cqe;
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u64 page_addr[MAX_CQ_PAGES];
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u64 db_page_addr;
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u32 db_page_size;
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u32 phase_change;
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/* for future use/new features in progress */
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u64 rsvd1;
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u64 rsvd2;
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};
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#define MAX_QP_PAGES 8
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#define MAX_UD_AV_PAGES 8
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struct ocrdma_create_qp_ureq {
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u8 enable_dpp_cq;
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u8 rsvd;
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u16 dpp_cq_id;
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u32 rsvd1; /* pad */
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};
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struct ocrdma_create_qp_uresp {
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u16 qp_id;
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u16 sq_dbid;
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u16 rq_dbid;
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u16 resv0; /* pad */
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u32 sq_page_size;
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u32 rq_page_size;
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u32 num_sq_pages;
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u32 num_rq_pages;
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u64 sq_page_addr[MAX_QP_PAGES];
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u64 rq_page_addr[MAX_QP_PAGES];
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u64 db_page_addr;
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u32 db_page_size;
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u32 dpp_credit;
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u32 dpp_offset;
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u32 num_wqe_allocated;
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u32 num_rqe_allocated;
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u32 db_sq_offset;
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u32 db_rq_offset;
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u32 db_shift;
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u64 rsvd1;
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u64 rsvd2;
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u64 rsvd3;
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} __packed;
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struct ocrdma_create_srq_uresp {
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u16 rq_dbid;
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u16 resv0; /* pad */
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u32 resv1;
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u32 rq_page_size;
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u32 num_rq_pages;
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u64 rq_page_addr[MAX_QP_PAGES];
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u64 db_page_addr;
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u32 db_page_size;
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u32 num_rqe_allocated;
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u32 db_rq_offset;
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u32 db_shift;
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u64 rsvd2;
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u64 rsvd3;
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};
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#endif /* __OCRDMA_ABI_H__ */
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