You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
299 lines
7.6 KiB
C
299 lines
7.6 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
|
|
/*
|
|
* 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 (1 << 30) /* Send bit. */
|
|
#define PVRDMA_UAR_QP_RECV (1 << 31) /* Recv bit. */
|
|
#define PVRDMA_UAR_CQ_OFFSET 4 /* CQ doorbell. */
|
|
#define PVRDMA_UAR_CQ_ARM_SOL (1 << 29) /* Arm solicited bit. */
|
|
#define PVRDMA_UAR_CQ_ARM (1 << 30) /* Arm bit. */
|
|
#define PVRDMA_UAR_CQ_POLL (1 << 31) /* Poll bit. */
|
|
#define PVRDMA_UAR_SRQ_OFFSET 8 /* SRQ doorbell. */
|
|
#define PVRDMA_UAR_SRQ_RECV (1 << 30) /* Recv 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,
|
|
PVRDMA_WR_ERROR,
|
|
};
|
|
|
|
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_WITH_NETWORK_HDR_TYPE = 1 << 6,
|
|
PVRDMA_WC_FLAGS_MAX = PVRDMA_WC_WITH_NETWORK_HDR_TYPE,
|
|
};
|
|
|
|
struct pvrdma_alloc_ucontext_resp {
|
|
__u32 qp_tab_size;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct pvrdma_alloc_pd_resp {
|
|
__u32 pdn;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct pvrdma_create_cq {
|
|
__aligned_u64 buf_addr;
|
|
__u32 buf_size;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct pvrdma_create_cq_resp {
|
|
__u32 cqn;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct pvrdma_resize_cq {
|
|
__aligned_u64 buf_addr;
|
|
__u32 buf_size;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct pvrdma_create_srq {
|
|
__aligned_u64 buf_addr;
|
|
__u32 buf_size;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct pvrdma_create_srq_resp {
|
|
__u32 srqn;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct pvrdma_create_qp {
|
|
__aligned_u64 rbuf_addr;
|
|
__aligned_u64 sbuf_addr;
|
|
__u32 rbuf_size;
|
|
__u32 sbuf_size;
|
|
__aligned_u64 qp_addr;
|
|
};
|
|
|
|
/* PVRDMA masked atomic compare and swap */
|
|
struct pvrdma_ex_cmp_swap {
|
|
__aligned_u64 swap_val;
|
|
__aligned_u64 compare_val;
|
|
__aligned_u64 swap_mask;
|
|
__aligned_u64 compare_mask;
|
|
};
|
|
|
|
/* PVRDMA masked atomic fetch and add */
|
|
struct pvrdma_ex_fetch_add {
|
|
__aligned_u64 add_val;
|
|
__aligned_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 {
|
|
__aligned_u64 addr;
|
|
__u32 length;
|
|
__u32 lkey;
|
|
};
|
|
|
|
/* PVRDMA receive queue work request */
|
|
struct pvrdma_rq_wqe_hdr {
|
|
__aligned_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 {
|
|
__aligned_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 {
|
|
__be32 imm_data;
|
|
__u32 invalidate_rkey;
|
|
} ex;
|
|
__u32 reserved;
|
|
union {
|
|
struct {
|
|
__aligned_u64 remote_addr;
|
|
__u32 rkey;
|
|
__u8 reserved[4];
|
|
} rdma;
|
|
struct {
|
|
__aligned_u64 remote_addr;
|
|
__aligned_u64 compare_add;
|
|
__aligned_u64 swap;
|
|
__u32 rkey;
|
|
__u32 reserved;
|
|
} atomic;
|
|
struct {
|
|
__aligned_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 {
|
|
__aligned_u64 iova_start;
|
|
__aligned_u64 pl_pdir_dma;
|
|
__u32 page_shift;
|
|
__u32 page_list_len;
|
|
__u32 length;
|
|
__u32 access_flags;
|
|
__u32 rkey;
|
|
__u32 reserved;
|
|
} 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 {
|
|
__aligned_u64 wr_id;
|
|
__aligned_u64 qp;
|
|
__u32 opcode;
|
|
__u32 status;
|
|
__u32 byte_len;
|
|
__be32 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 network_hdr_type;
|
|
__u8 reserved2[6]; /* Pad to next power of 2 (64). */
|
|
};
|
|
|
|
#endif /* __VMW_PVRDMA_ABI_H__ */
|