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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
/*
* Broadcom NetXtreme-E RoCE driver.
*
* Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
* Broadcom refers to Broadcom Limited and/or its subsidiaries.
*
* 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:
*
* 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 AUTHOR 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 AUTHOR 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.
*
* Description: Uverbs ABI header file
*/
#ifndef __BNXT_RE_UVERBS_ABI_H__
#define __BNXT_RE_UVERBS_ABI_H__
#include <linux/types.h>
#define BNXT_RE_ABI_VERSION 1
#define BNXT_RE_CHIP_ID0_CHIP_NUM_SFT 0x00
#define BNXT_RE_CHIP_ID0_CHIP_REV_SFT 0x10
#define BNXT_RE_CHIP_ID0_CHIP_MET_SFT 0x18
enum {
BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL,
BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL,
};
enum bnxt_re_wqe_mode {
BNXT_QPLIB_WQE_MODE_STATIC = 0x00,
BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01,
BNXT_QPLIB_WQE_MODE_INVALID = 0x02,
};
struct bnxt_re_uctx_resp {
__u32 dev_id;
__u32 max_qp;
__u32 pg_size;
__u32 cqe_sz;
__u32 max_cqd;
__u32 rsvd;
__aligned_u64 comp_mask;
__u32 chip_id0;
__u32 chip_id1;
__u32 mode;
__u32 rsvd1; /* padding */
};
/*
* This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is
* not 8 byted aligned. To avoid undesired padding in various cases we have to
* set this struct to packed.
*/
struct bnxt_re_pd_resp {
__u32 pdid;
__u32 dpi;
__u64 dbr;
} __attribute__((packed, aligned(4)));
struct bnxt_re_cq_req {
__aligned_u64 cq_va;
__aligned_u64 cq_handle;
};
struct bnxt_re_cq_resp {
__u32 cqid;
__u32 tail;
__u32 phase;
__u32 rsvd;
};
struct bnxt_re_resize_cq_req {
__aligned_u64 cq_va;
};
struct bnxt_re_qp_req {
__aligned_u64 qpsva;
__aligned_u64 qprva;
__aligned_u64 qp_handle;
};
struct bnxt_re_qp_resp {
__u32 qpid;
__u32 rsvd;
};
struct bnxt_re_srq_req {
__aligned_u64 srqva;
__aligned_u64 srq_handle;
};
struct bnxt_re_srq_resp {
__u32 srqid;
};
enum bnxt_re_shpg_offt {
BNXT_RE_BEG_RESV_OFFT = 0x00,
BNXT_RE_AVID_OFFT = 0x10,
BNXT_RE_AVID_SIZE = 0x04,
BNXT_RE_END_RESV_OFFT = 0xFF0
};
#endif /* __BNXT_RE_UVERBS_ABI_H__*/
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