| /* |
| * Copyright (c) 2012-2016 VMware, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of EITHER the GNU General Public License |
| * version 2 as published by the Free Software Foundation or the BSD |
| * 2-Clause License. This program is distributed in the hope that it |
| * will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED |
| * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
| * See the GNU General Public License version 2 for more details at |
| * http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program available in the file COPYING in the main |
| * directory of this source tree. |
| * |
| * The BSD 2-Clause License |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - 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 HOLDER 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. |
| */ |
| |
| #ifndef __VMW_PVRDMA_ABI_H__ |
| #define __VMW_PVRDMA_ABI_H__ |
| |
| #include <linux/types.h> |
| |
| #define PVRDMA_UVERBS_ABI_VERSION 3 /* ABI Version. */ |
| #define PVRDMA_UAR_HANDLE_MASK 0x00FFFFFF /* Bottom 24 bits. */ |
| #define PVRDMA_UAR_QP_OFFSET 0 /* QP doorbell. */ |
| #define PVRDMA_UAR_QP_SEND BIT(30) /* Send bit. */ |
| #define PVRDMA_UAR_QP_RECV BIT(31) /* Recv bit. */ |
| #define PVRDMA_UAR_CQ_OFFSET 4 /* CQ doorbell. */ |
| #define PVRDMA_UAR_CQ_ARM_SOL BIT(29) /* Arm solicited bit. */ |
| #define PVRDMA_UAR_CQ_ARM BIT(30) /* Arm bit. */ |
| #define PVRDMA_UAR_CQ_POLL BIT(31) /* Poll bit. */ |
| |
| enum pvrdma_wr_opcode { |
| PVRDMA_WR_RDMA_WRITE, |
| PVRDMA_WR_RDMA_WRITE_WITH_IMM, |
| PVRDMA_WR_SEND, |
| PVRDMA_WR_SEND_WITH_IMM, |
| PVRDMA_WR_RDMA_READ, |
| PVRDMA_WR_ATOMIC_CMP_AND_SWP, |
| PVRDMA_WR_ATOMIC_FETCH_AND_ADD, |
| PVRDMA_WR_LSO, |
| PVRDMA_WR_SEND_WITH_INV, |
| PVRDMA_WR_RDMA_READ_WITH_INV, |
| PVRDMA_WR_LOCAL_INV, |
| PVRDMA_WR_FAST_REG_MR, |
| PVRDMA_WR_MASKED_ATOMIC_CMP_AND_SWP, |
| PVRDMA_WR_MASKED_ATOMIC_FETCH_AND_ADD, |
| PVRDMA_WR_BIND_MW, |
| PVRDMA_WR_REG_SIG_MR, |
| }; |
| |
| enum pvrdma_wc_status { |
| PVRDMA_WC_SUCCESS, |
| PVRDMA_WC_LOC_LEN_ERR, |
| PVRDMA_WC_LOC_QP_OP_ERR, |
| PVRDMA_WC_LOC_EEC_OP_ERR, |
| PVRDMA_WC_LOC_PROT_ERR, |
| PVRDMA_WC_WR_FLUSH_ERR, |
| PVRDMA_WC_MW_BIND_ERR, |
| PVRDMA_WC_BAD_RESP_ERR, |
| PVRDMA_WC_LOC_ACCESS_ERR, |
| PVRDMA_WC_REM_INV_REQ_ERR, |
| PVRDMA_WC_REM_ACCESS_ERR, |
| PVRDMA_WC_REM_OP_ERR, |
| PVRDMA_WC_RETRY_EXC_ERR, |
| PVRDMA_WC_RNR_RETRY_EXC_ERR, |
| PVRDMA_WC_LOC_RDD_VIOL_ERR, |
| PVRDMA_WC_REM_INV_RD_REQ_ERR, |
| PVRDMA_WC_REM_ABORT_ERR, |
| PVRDMA_WC_INV_EECN_ERR, |
| PVRDMA_WC_INV_EEC_STATE_ERR, |
| PVRDMA_WC_FATAL_ERR, |
| PVRDMA_WC_RESP_TIMEOUT_ERR, |
| PVRDMA_WC_GENERAL_ERR, |
| }; |
| |
| enum pvrdma_wc_opcode { |
| PVRDMA_WC_SEND, |
| PVRDMA_WC_RDMA_WRITE, |
| PVRDMA_WC_RDMA_READ, |
| PVRDMA_WC_COMP_SWAP, |
| PVRDMA_WC_FETCH_ADD, |
| PVRDMA_WC_BIND_MW, |
| PVRDMA_WC_LSO, |
| PVRDMA_WC_LOCAL_INV, |
| PVRDMA_WC_FAST_REG_MR, |
| PVRDMA_WC_MASKED_COMP_SWAP, |
| PVRDMA_WC_MASKED_FETCH_ADD, |
| PVRDMA_WC_RECV = 1 << 7, |
| PVRDMA_WC_RECV_RDMA_WITH_IMM, |
| }; |
| |
| enum pvrdma_wc_flags { |
| PVRDMA_WC_GRH = 1 << 0, |
| PVRDMA_WC_WITH_IMM = 1 << 1, |
| PVRDMA_WC_WITH_INVALIDATE = 1 << 2, |
| PVRDMA_WC_IP_CSUM_OK = 1 << 3, |
| PVRDMA_WC_WITH_SMAC = 1 << 4, |
| PVRDMA_WC_WITH_VLAN = 1 << 5, |
| PVRDMA_WC_FLAGS_MAX = PVRDMA_WC_WITH_VLAN, |
| }; |
| |
| struct pvrdma_alloc_ucontext_resp { |
| __u32 qp_tab_size; |
| __u32 reserved; |
| }; |
| |
| struct pvrdma_alloc_pd_resp { |
| __u32 pdn; |
| __u32 reserved; |
| }; |
| |
| struct pvrdma_create_cq { |
| __u64 buf_addr; |
| __u32 buf_size; |
| __u32 reserved; |
| }; |
| |
| struct pvrdma_create_cq_resp { |
| __u32 cqn; |
| __u32 reserved; |
| }; |
| |
| struct pvrdma_resize_cq { |
| __u64 buf_addr; |
| __u32 buf_size; |
| __u32 reserved; |
| }; |
| |
| struct pvrdma_create_srq { |
| __u64 buf_addr; |
| }; |
| |
| struct pvrdma_create_srq_resp { |
| __u32 srqn; |
| __u32 reserved; |
| }; |
| |
| struct pvrdma_create_qp { |
| __u64 rbuf_addr; |
| __u64 sbuf_addr; |
| __u32 rbuf_size; |
| __u32 sbuf_size; |
| __u64 qp_addr; |
| }; |
| |
| /* PVRDMA masked atomic compare and swap */ |
| struct pvrdma_ex_cmp_swap { |
| __u64 swap_val; |
| __u64 compare_val; |
| __u64 swap_mask; |
| __u64 compare_mask; |
| }; |
| |
| /* PVRDMA masked atomic fetch and add */ |
| struct pvrdma_ex_fetch_add { |
| __u64 add_val; |
| __u64 field_boundary; |
| }; |
| |
| /* PVRDMA address vector. */ |
| struct pvrdma_av { |
| __u32 port_pd; |
| __u32 sl_tclass_flowlabel; |
| __u8 dgid[16]; |
| __u8 src_path_bits; |
| __u8 gid_index; |
| __u8 stat_rate; |
| __u8 hop_limit; |
| __u8 dmac[6]; |
| __u8 reserved[6]; |
| }; |
| |
| /* PVRDMA scatter/gather entry */ |
| struct pvrdma_sge { |
| __u64 addr; |
| __u32 length; |
| __u32 lkey; |
| }; |
| |
| /* PVRDMA receive queue work request */ |
| struct pvrdma_rq_wqe_hdr { |
| __u64 wr_id; /* wr id */ |
| __u32 num_sge; /* size of s/g array */ |
| __u32 total_len; /* reserved */ |
| }; |
| /* Use pvrdma_sge (ib_sge) for receive queue s/g array elements. */ |
| |
| /* PVRDMA send queue work request */ |
| struct pvrdma_sq_wqe_hdr { |
| __u64 wr_id; /* wr id */ |
| __u32 num_sge; /* size of s/g array */ |
| __u32 total_len; /* reserved */ |
| __u32 opcode; /* operation type */ |
| __u32 send_flags; /* wr flags */ |
| union { |
| __u32 imm_data; |
| __u32 invalidate_rkey; |
| } ex; |
| __u32 reserved; |
| union { |
| struct { |
| __u64 remote_addr; |
| __u32 rkey; |
| __u8 reserved[4]; |
| } rdma; |
| struct { |
| __u64 remote_addr; |
| __u64 compare_add; |
| __u64 swap; |
| __u32 rkey; |
| __u32 reserved; |
| } atomic; |
| struct { |
| __u64 remote_addr; |
| __u32 log_arg_sz; |
| __u32 rkey; |
| union { |
| struct pvrdma_ex_cmp_swap cmp_swap; |
| struct pvrdma_ex_fetch_add fetch_add; |
| } wr_data; |
| } masked_atomics; |
| struct { |
| __u64 iova_start; |
| __u64 pl_pdir_dma; |
| __u32 page_shift; |
| __u32 page_list_len; |
| __u32 length; |
| __u32 access_flags; |
| __u32 rkey; |
| } fast_reg; |
| struct { |
| __u32 remote_qpn; |
| __u32 remote_qkey; |
| struct pvrdma_av av; |
| } ud; |
| } wr; |
| }; |
| /* Use pvrdma_sge (ib_sge) for send queue s/g array elements. */ |
| |
| /* Completion queue element. */ |
| struct pvrdma_cqe { |
| __u64 wr_id; |
| __u64 qp; |
| __u32 opcode; |
| __u32 status; |
| __u32 byte_len; |
| __u32 imm_data; |
| __u32 src_qp; |
| __u32 wc_flags; |
| __u32 vendor_err; |
| __u16 pkey_index; |
| __u16 slid; |
| __u8 sl; |
| __u8 dlid_path_bits; |
| __u8 port_num; |
| __u8 smac[6]; |
| __u8 reserved2[7]; /* Pad to next power of 2 (64). */ |
| }; |
| |
| #endif /* __VMW_PVRDMA_ABI_H__ */ |