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310 lines
7.8 KiB
310 lines
7.8 KiB
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ |
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/* |
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* Copyright (c) 2012-2016 VMware, Inc. All rights reserved. |
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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 EITHER the GNU General Public License |
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* version 2 as published by the Free Software Foundation or the BSD |
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* 2-Clause License. This program is distributed in the hope that it |
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* will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED |
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
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* See the GNU General Public License version 2 for more details at |
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program available in the file COPYING in the main |
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* directory of this source tree. |
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* |
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* The BSD 2-Clause License |
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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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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef __VMW_PVRDMA_ABI_H__ |
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#define __VMW_PVRDMA_ABI_H__ |
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#include <linux/types.h> |
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#define PVRDMA_UVERBS_ABI_VERSION 3 /* ABI Version. */ |
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#define PVRDMA_UAR_HANDLE_MASK 0x00FFFFFF /* Bottom 24 bits. */ |
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#define PVRDMA_UAR_QP_OFFSET 0 /* QP doorbell. */ |
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#define PVRDMA_UAR_QP_SEND (1 << 30) /* Send bit. */ |
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#define PVRDMA_UAR_QP_RECV (1 << 31) /* Recv bit. */ |
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#define PVRDMA_UAR_CQ_OFFSET 4 /* CQ doorbell. */ |
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#define PVRDMA_UAR_CQ_ARM_SOL (1 << 29) /* Arm solicited bit. */ |
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#define PVRDMA_UAR_CQ_ARM (1 << 30) /* Arm bit. */ |
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#define PVRDMA_UAR_CQ_POLL (1 << 31) /* Poll bit. */ |
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#define PVRDMA_UAR_SRQ_OFFSET 8 /* SRQ doorbell. */ |
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#define PVRDMA_UAR_SRQ_RECV (1 << 30) /* Recv bit. */ |
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enum pvrdma_wr_opcode { |
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PVRDMA_WR_RDMA_WRITE, |
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PVRDMA_WR_RDMA_WRITE_WITH_IMM, |
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PVRDMA_WR_SEND, |
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PVRDMA_WR_SEND_WITH_IMM, |
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PVRDMA_WR_RDMA_READ, |
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PVRDMA_WR_ATOMIC_CMP_AND_SWP, |
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PVRDMA_WR_ATOMIC_FETCH_AND_ADD, |
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PVRDMA_WR_LSO, |
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PVRDMA_WR_SEND_WITH_INV, |
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PVRDMA_WR_RDMA_READ_WITH_INV, |
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PVRDMA_WR_LOCAL_INV, |
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PVRDMA_WR_FAST_REG_MR, |
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PVRDMA_WR_MASKED_ATOMIC_CMP_AND_SWP, |
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PVRDMA_WR_MASKED_ATOMIC_FETCH_AND_ADD, |
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PVRDMA_WR_BIND_MW, |
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PVRDMA_WR_REG_SIG_MR, |
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PVRDMA_WR_ERROR, |
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}; |
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enum pvrdma_wc_status { |
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PVRDMA_WC_SUCCESS, |
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PVRDMA_WC_LOC_LEN_ERR, |
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PVRDMA_WC_LOC_QP_OP_ERR, |
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PVRDMA_WC_LOC_EEC_OP_ERR, |
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PVRDMA_WC_LOC_PROT_ERR, |
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PVRDMA_WC_WR_FLUSH_ERR, |
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PVRDMA_WC_MW_BIND_ERR, |
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PVRDMA_WC_BAD_RESP_ERR, |
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PVRDMA_WC_LOC_ACCESS_ERR, |
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PVRDMA_WC_REM_INV_REQ_ERR, |
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PVRDMA_WC_REM_ACCESS_ERR, |
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PVRDMA_WC_REM_OP_ERR, |
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PVRDMA_WC_RETRY_EXC_ERR, |
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PVRDMA_WC_RNR_RETRY_EXC_ERR, |
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PVRDMA_WC_LOC_RDD_VIOL_ERR, |
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PVRDMA_WC_REM_INV_RD_REQ_ERR, |
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PVRDMA_WC_REM_ABORT_ERR, |
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PVRDMA_WC_INV_EECN_ERR, |
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PVRDMA_WC_INV_EEC_STATE_ERR, |
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PVRDMA_WC_FATAL_ERR, |
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PVRDMA_WC_RESP_TIMEOUT_ERR, |
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PVRDMA_WC_GENERAL_ERR, |
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}; |
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enum pvrdma_wc_opcode { |
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PVRDMA_WC_SEND, |
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PVRDMA_WC_RDMA_WRITE, |
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PVRDMA_WC_RDMA_READ, |
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PVRDMA_WC_COMP_SWAP, |
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PVRDMA_WC_FETCH_ADD, |
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PVRDMA_WC_BIND_MW, |
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PVRDMA_WC_LSO, |
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PVRDMA_WC_LOCAL_INV, |
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PVRDMA_WC_FAST_REG_MR, |
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PVRDMA_WC_MASKED_COMP_SWAP, |
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PVRDMA_WC_MASKED_FETCH_ADD, |
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PVRDMA_WC_RECV = 1 << 7, |
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PVRDMA_WC_RECV_RDMA_WITH_IMM, |
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}; |
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enum pvrdma_wc_flags { |
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PVRDMA_WC_GRH = 1 << 0, |
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PVRDMA_WC_WITH_IMM = 1 << 1, |
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PVRDMA_WC_WITH_INVALIDATE = 1 << 2, |
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PVRDMA_WC_IP_CSUM_OK = 1 << 3, |
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PVRDMA_WC_WITH_SMAC = 1 << 4, |
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PVRDMA_WC_WITH_VLAN = 1 << 5, |
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PVRDMA_WC_WITH_NETWORK_HDR_TYPE = 1 << 6, |
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PVRDMA_WC_FLAGS_MAX = PVRDMA_WC_WITH_NETWORK_HDR_TYPE, |
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}; |
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enum pvrdma_network_type { |
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PVRDMA_NETWORK_IB, |
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PVRDMA_NETWORK_ROCE_V1 = PVRDMA_NETWORK_IB, |
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PVRDMA_NETWORK_IPV4, |
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PVRDMA_NETWORK_IPV6 |
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}; |
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struct pvrdma_alloc_ucontext_resp { |
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__u32 qp_tab_size; |
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__u32 reserved; |
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}; |
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struct pvrdma_alloc_pd_resp { |
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__u32 pdn; |
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__u32 reserved; |
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}; |
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struct pvrdma_create_cq { |
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__aligned_u64 buf_addr; |
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__u32 buf_size; |
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__u32 reserved; |
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}; |
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struct pvrdma_create_cq_resp { |
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__u32 cqn; |
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__u32 reserved; |
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}; |
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struct pvrdma_resize_cq { |
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__aligned_u64 buf_addr; |
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__u32 buf_size; |
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__u32 reserved; |
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}; |
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struct pvrdma_create_srq { |
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__aligned_u64 buf_addr; |
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__u32 buf_size; |
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__u32 reserved; |
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}; |
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struct pvrdma_create_srq_resp { |
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__u32 srqn; |
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__u32 reserved; |
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}; |
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struct pvrdma_create_qp { |
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__aligned_u64 rbuf_addr; |
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__aligned_u64 sbuf_addr; |
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__u32 rbuf_size; |
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__u32 sbuf_size; |
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__aligned_u64 qp_addr; |
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}; |
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struct pvrdma_create_qp_resp { |
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__u32 qpn; |
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__u32 qp_handle; |
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}; |
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/* PVRDMA masked atomic compare and swap */ |
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struct pvrdma_ex_cmp_swap { |
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__aligned_u64 swap_val; |
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__aligned_u64 compare_val; |
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__aligned_u64 swap_mask; |
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__aligned_u64 compare_mask; |
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}; |
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/* PVRDMA masked atomic fetch and add */ |
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struct pvrdma_ex_fetch_add { |
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__aligned_u64 add_val; |
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__aligned_u64 field_boundary; |
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}; |
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/* PVRDMA address vector. */ |
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struct pvrdma_av { |
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__u32 port_pd; |
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__u32 sl_tclass_flowlabel; |
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__u8 dgid[16]; |
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__u8 src_path_bits; |
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__u8 gid_index; |
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__u8 stat_rate; |
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__u8 hop_limit; |
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__u8 dmac[6]; |
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__u8 reserved[6]; |
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}; |
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/* PVRDMA scatter/gather entry */ |
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struct pvrdma_sge { |
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__aligned_u64 addr; |
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__u32 length; |
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__u32 lkey; |
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}; |
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/* PVRDMA receive queue work request */ |
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struct pvrdma_rq_wqe_hdr { |
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__aligned_u64 wr_id; /* wr id */ |
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__u32 num_sge; /* size of s/g array */ |
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__u32 total_len; /* reserved */ |
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}; |
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/* Use pvrdma_sge (ib_sge) for receive queue s/g array elements. */ |
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/* PVRDMA send queue work request */ |
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struct pvrdma_sq_wqe_hdr { |
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__aligned_u64 wr_id; /* wr id */ |
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__u32 num_sge; /* size of s/g array */ |
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__u32 total_len; /* reserved */ |
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__u32 opcode; /* operation type */ |
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__u32 send_flags; /* wr flags */ |
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union { |
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__be32 imm_data; |
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__u32 invalidate_rkey; |
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} ex; |
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__u32 reserved; |
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union { |
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struct { |
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__aligned_u64 remote_addr; |
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__u32 rkey; |
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__u8 reserved[4]; |
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} rdma; |
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struct { |
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__aligned_u64 remote_addr; |
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__aligned_u64 compare_add; |
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__aligned_u64 swap; |
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__u32 rkey; |
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__u32 reserved; |
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} atomic; |
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struct { |
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__aligned_u64 remote_addr; |
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__u32 log_arg_sz; |
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__u32 rkey; |
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union { |
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struct pvrdma_ex_cmp_swap cmp_swap; |
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struct pvrdma_ex_fetch_add fetch_add; |
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} wr_data; |
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} masked_atomics; |
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struct { |
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__aligned_u64 iova_start; |
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__aligned_u64 pl_pdir_dma; |
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__u32 page_shift; |
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__u32 page_list_len; |
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__u32 length; |
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__u32 access_flags; |
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__u32 rkey; |
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__u32 reserved; |
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} fast_reg; |
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struct { |
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__u32 remote_qpn; |
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__u32 remote_qkey; |
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struct pvrdma_av av; |
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} ud; |
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} wr; |
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}; |
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/* Use pvrdma_sge (ib_sge) for send queue s/g array elements. */ |
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/* Completion queue element. */ |
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struct pvrdma_cqe { |
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__aligned_u64 wr_id; |
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__aligned_u64 qp; |
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__u32 opcode; |
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__u32 status; |
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__u32 byte_len; |
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__be32 imm_data; |
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__u32 src_qp; |
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__u32 wc_flags; |
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__u32 vendor_err; |
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__u16 pkey_index; |
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__u16 slid; |
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__u8 sl; |
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__u8 dlid_path_bits; |
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__u8 port_num; |
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__u8 smac[6]; |
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__u8 network_hdr_type; |
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__u8 reserved2[6]; /* Pad to next power of 2 (64). */ |
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}; |
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#endif /* __VMW_PVRDMA_ABI_H__ */
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