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88 lines
2.5 KiB
88 lines
2.5 KiB
/* |
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* Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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* |
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*/ |
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#ifndef USNIC_ABI_H |
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#define USNIC_ABI_H |
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/* ABI between userspace and kernel */ |
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#define USNIC_UVERBS_ABI_VERSION 4 |
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#define USNIC_QP_GRP_MAX_WQS 8 |
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#define USNIC_QP_GRP_MAX_RQS 8 |
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#define USNIC_QP_GRP_MAX_CQS 16 |
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enum usnic_transport_type { |
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USNIC_TRANSPORT_UNKNOWN = 0, |
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USNIC_TRANSPORT_ROCE_CUSTOM = 1, |
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USNIC_TRANSPORT_IPV4_UDP = 2, |
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USNIC_TRANSPORT_MAX = 3, |
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}; |
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struct usnic_transport_spec { |
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enum usnic_transport_type trans_type; |
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union { |
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struct { |
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uint16_t port_num; |
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} usnic_roce; |
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struct { |
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uint32_t sock_fd; |
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} udp; |
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}; |
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}; |
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struct usnic_ib_create_qp_cmd { |
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struct usnic_transport_spec spec; |
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}; |
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/*TODO: Future - usnic_modify_qp needs to pass in generic filters */ |
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struct usnic_ib_create_qp_resp { |
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u32 vfid; |
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u32 qp_grp_id; |
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u64 bar_bus_addr; |
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u32 bar_len; |
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/* |
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* WQ, RQ, CQ are explicity specified bc exposing a generic resources inteface |
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* expands the scope of ABI to many files. |
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*/ |
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u32 wq_cnt; |
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u32 rq_cnt; |
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u32 cq_cnt; |
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u32 wq_idx[USNIC_QP_GRP_MAX_WQS]; |
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u32 rq_idx[USNIC_QP_GRP_MAX_RQS]; |
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u32 cq_idx[USNIC_QP_GRP_MAX_CQS]; |
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u32 transport; |
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u32 reserved[9]; |
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}; |
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#endif /* USNIC_ABI_H */
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