--- /dev/null
+/* 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__ */
projects / cross.git / blobdiff