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/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
* Copyright (c) 2005 PathScale, Inc. All rights reserved.
* Copyright (c) 2006 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ib_user_verbs.h 4019 2005-11-11 00:33:09Z sean.hefty $
*
* $FreeBSD: release/9.1.0/sys/contrib/rdma/ib_user_verbs.h 178784 2008-05-05 18:35:55Z kmacy $
*/
#ifndef IB_USER_VERBS_H
#define IB_USER_VERBS_H
#include <contrib/rdma/types.h>
/*
* Increment this value if any changes that break userspace ABI
* compatibility are made.
*/
#define IB_USER_VERBS_ABI_VERSION 6
enum {
IB_USER_VERBS_CMD_GET_CONTEXT,
IB_USER_VERBS_CMD_QUERY_DEVICE,
IB_USER_VERBS_CMD_QUERY_PORT,
IB_USER_VERBS_CMD_ALLOC_PD,
IB_USER_VERBS_CMD_DEALLOC_PD,
IB_USER_VERBS_CMD_CREATE_AH,
IB_USER_VERBS_CMD_MODIFY_AH,
IB_USER_VERBS_CMD_QUERY_AH,
IB_USER_VERBS_CMD_DESTROY_AH,
IB_USER_VERBS_CMD_REG_MR,
IB_USER_VERBS_CMD_REG_SMR,
IB_USER_VERBS_CMD_REREG_MR,
IB_USER_VERBS_CMD_QUERY_MR,
IB_USER_VERBS_CMD_DEREG_MR,
IB_USER_VERBS_CMD_ALLOC_MW,
IB_USER_VERBS_CMD_BIND_MW,
IB_USER_VERBS_CMD_DEALLOC_MW,
IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
IB_USER_VERBS_CMD_CREATE_CQ,
IB_USER_VERBS_CMD_RESIZE_CQ,
IB_USER_VERBS_CMD_DESTROY_CQ,
IB_USER_VERBS_CMD_POLL_CQ,
IB_USER_VERBS_CMD_PEEK_CQ,
IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
IB_USER_VERBS_CMD_CREATE_QP,
IB_USER_VERBS_CMD_QUERY_QP,
IB_USER_VERBS_CMD_MODIFY_QP,
IB_USER_VERBS_CMD_DESTROY_QP,
IB_USER_VERBS_CMD_POST_SEND,
IB_USER_VERBS_CMD_POST_RECV,
IB_USER_VERBS_CMD_ATTACH_MCAST,
IB_USER_VERBS_CMD_DETACH_MCAST,
IB_USER_VERBS_CMD_CREATE_SRQ,
IB_USER_VERBS_CMD_MODIFY_SRQ,
IB_USER_VERBS_CMD_QUERY_SRQ,
IB_USER_VERBS_CMD_DESTROY_SRQ,
IB_USER_VERBS_CMD_POST_SRQ_RECV
};
/*
* Make sure that all structs defined in this file remain laid out so
* that they pack the same way on 32-bit and 64-bit architectures (to
* avoid incompatibility between 32-bit userspace and 64-bit kernels).
* Specifically:
* - Do not use pointer types -- pass pointers in __u64 instead.
* - Make sure that any structure larger than 4 bytes is padded to a
* multiple of 8 bytes. Otherwise the structure size will be
* different between 32-bit and 64-bit architectures.
*/
struct ib_uverbs_async_event_desc {
__u64 element;
__u32 event_type; /* enum ib_event_type */
__u32 reserved;
};
struct ib_uverbs_comp_event_desc {
__u64 cq_handle;
};
/*
* All commands from userspace should start with a __u32 command field
* followed by __u16 in_words and out_words fields (which give the
* length of the command block and response buffer if any in 32-bit
* words). The kernel driver will read these fields first and read
* the rest of the command struct based on these value.
*/
struct ib_uverbs_cmd_hdr {
__u32 command;
__u16 in_words;
__u16 out_words;
};
struct ib_uverbs_get_context {
__u64 response;
__u64 driver_data[0];
};
struct ib_uverbs_get_context_resp {
__u32 async_fd;
__u32 num_comp_vectors;
};
struct ib_uverbs_query_device {
__u64 response;
__u64 driver_data[0];
};
struct ib_uverbs_query_device_resp {
__u64 fw_ver;
__be64 node_guid;
__be64 sys_image_guid;
__u64 max_mr_size;
__u64 page_size_cap;
__u32 vendor_id;
__u32 vendor_part_id;
__u32 hw_ver;
__u32 max_qp;
__u32 max_qp_wr;
__u32 device_cap_flags;
__u32 max_sge;
__u32 max_sge_rd;
__u32 max_cq;
__u32 max_cqe;
__u32 max_mr;
__u32 max_pd;
__u32 max_qp_rd_atom;
__u32 max_ee_rd_atom;
__u32 max_res_rd_atom;
__u32 max_qp_init_rd_atom;
__u32 max_ee_init_rd_atom;
__u32 atomic_cap;
__u32 max_ee;
__u32 max_rdd;
__u32 max_mw;
__u32 max_raw_ipv6_qp;
__u32 max_raw_ethy_qp;
__u32 max_mcast_grp;
__u32 max_mcast_qp_attach;
__u32 max_total_mcast_qp_attach;
__u32 max_ah;
__u32 max_fmr;
__u32 max_map_per_fmr;
__u32 max_srq;
__u32 max_srq_wr;
__u32 max_srq_sge;
__u16 max_pkeys;
__u8 local_ca_ack_delay;
__u8 phys_port_cnt;
__u8 reserved[4];
};
struct ib_uverbs_query_port {
__u64 response;
__u8 port_num;
__u8 reserved[7];
__u64 driver_data[0];
};
struct ib_uverbs_query_port_resp {
__u32 port_cap_flags;
__u32 max_msg_sz;
__u32 bad_pkey_cntr;
__u32 qkey_viol_cntr;
__u32 gid_tbl_len;
__u16 pkey_tbl_len;
__u16 lid;
__u16 sm_lid;
__u8 state;
__u8 max_mtu;
__u8 active_mtu;
__u8 lmc;
__u8 max_vl_num;
__u8 sm_sl;
__u8 subnet_timeout;
__u8 init_type_reply;
__u8 active_width;
__u8 active_speed;
__u8 phys_state;
__u8 reserved[3];
};
struct ib_uverbs_alloc_pd {
__u64 response;
__u64 driver_data[0];
};
struct ib_uverbs_alloc_pd_resp {
__u32 pd_handle;
};
struct ib_uverbs_dealloc_pd {
__u32 pd_handle;
};
struct ib_uverbs_reg_mr {
__u64 response;
__u64 start;
__u64 length;
__u64 hca_va;
__u32 pd_handle;
__u32 access_flags;
__u64 driver_data[0];
};
struct ib_uverbs_reg_mr_resp {
__u32 mr_handle;
__u32 lkey;
__u32 rkey;
};
struct ib_uverbs_dereg_mr {
__u32 mr_handle;
};
struct ib_uverbs_create_comp_channel {
__u64 response;
};
struct ib_uverbs_create_comp_channel_resp {
__u32 fd;
};
struct ib_uverbs_create_cq {
__u64 response;
__u64 user_handle;
__u32 cqe;
__u32 comp_vector;
__s32 comp_channel;
__u32 reserved;
__u64 driver_data[0];
};
struct ib_uverbs_create_cq_resp {
__u32 cq_handle;
__u32 cqe;
};
struct ib_uverbs_resize_cq {
__u64 response;
__u32 cq_handle;
__u32 cqe;
__u64 driver_data[0];
};
struct ib_uverbs_resize_cq_resp {
__u32 cqe;
__u32 reserved;
__u64 driver_data[0];
};
struct ib_uverbs_poll_cq {
__u64 response;
__u32 cq_handle;
__u32 ne;
};
struct ib_uverbs_wc {
__u64 wr_id;
__u32 status;
__u32 opcode;
__u32 vendor_err;
__u32 byte_len;
__u32 imm_data;
__u32 qp_num;
__u32 src_qp;
__u32 wc_flags;
__u16 pkey_index;
__u16 slid;
__u8 sl;
__u8 dlid_path_bits;
__u8 port_num;
__u8 reserved;
};
struct ib_uverbs_poll_cq_resp {
__u32 count;
__u32 reserved;
struct ib_uverbs_wc wc[0];
};
struct ib_uverbs_req_notify_cq {
__u32 cq_handle;
__u32 solicited_only;
};
struct ib_uverbs_destroy_cq {
__u64 response;
__u32 cq_handle;
__u32 reserved;
};
struct ib_uverbs_destroy_cq_resp {
__u32 comp_events_reported;
__u32 async_events_reported;
};
struct ib_uverbs_global_route {
__u8 dgid[16];
__u32 flow_label;
__u8 sgid_index;
__u8 hop_limit;
__u8 traffic_class;
__u8 reserved;
};
struct ib_uverbs_ah_attr {
struct ib_uverbs_global_route grh;
__u16 dlid;
__u8 sl;
__u8 src_path_bits;
__u8 static_rate;
__u8 is_global;
__u8 port_num;
__u8 reserved;
};
struct ib_uverbs_qp_attr {
__u32 qp_attr_mask;
__u32 qp_state;
__u32 cur_qp_state;
__u32 path_mtu;
__u32 path_mig_state;
__u32 qkey;
__u32 rq_psn;
__u32 sq_psn;
__u32 dest_qp_num;
__u32 qp_access_flags;
struct ib_uverbs_ah_attr ah_attr;
struct ib_uverbs_ah_attr alt_ah_attr;
/* ib_qp_cap */
__u32 max_send_wr;
__u32 max_recv_wr;
__u32 max_send_sge;
__u32 max_recv_sge;
__u32 max_inline_data;
__u16 pkey_index;
__u16 alt_pkey_index;
__u8 en_sqd_async_notify;
__u8 sq_draining;
__u8 max_rd_atomic;
__u8 max_dest_rd_atomic;
__u8 min_rnr_timer;
__u8 port_num;
__u8 timeout;
__u8 retry_cnt;
__u8 rnr_retry;
__u8 alt_port_num;
__u8 alt_timeout;
__u8 reserved[5];
};
struct ib_uverbs_create_qp {
__u64 response;
__u64 user_handle;
__u32 pd_handle;
__u32 send_cq_handle;
__u32 recv_cq_handle;
__u32 srq_handle;
__u32 max_send_wr;
__u32 max_recv_wr;
__u32 max_send_sge;
__u32 max_recv_sge;
__u32 max_inline_data;
__u8 sq_sig_all;
__u8 qp_type;
__u8 is_srq;
__u8 reserved;
__u64 driver_data[0];
};
struct ib_uverbs_create_qp_resp {
__u32 qp_handle;
__u32 qpn;
__u32 max_send_wr;
__u32 max_recv_wr;
__u32 max_send_sge;
__u32 max_recv_sge;
__u32 max_inline_data;
__u32 reserved;
};
/*
* This struct needs to remain a multiple of 8 bytes to keep the
* alignment of the modify QP parameters.
*/
struct ib_uverbs_qp_dest {
__u8 dgid[16];
__u32 flow_label;
__u16 dlid;
__u16 reserved;
__u8 sgid_index;
__u8 hop_limit;
__u8 traffic_class;
__u8 sl;
__u8 src_path_bits;
__u8 static_rate;
__u8 is_global;
__u8 port_num;
};
struct ib_uverbs_query_qp {
__u64 response;
__u32 qp_handle;
__u32 attr_mask;
__u64 driver_data[0];
};
struct ib_uverbs_query_qp_resp {
struct ib_uverbs_qp_dest dest;
struct ib_uverbs_qp_dest alt_dest;
__u32 max_send_wr;
__u32 max_recv_wr;
__u32 max_send_sge;
__u32 max_recv_sge;
__u32 max_inline_data;
__u32 qkey;
__u32 rq_psn;
__u32 sq_psn;
__u32 dest_qp_num;
__u32 qp_access_flags;
__u16 pkey_index;
__u16 alt_pkey_index;
__u8 qp_state;
__u8 cur_qp_state;
__u8 path_mtu;
__u8 path_mig_state;
__u8 sq_draining;
__u8 max_rd_atomic;
__u8 max_dest_rd_atomic;
__u8 min_rnr_timer;
__u8 port_num;
__u8 timeout;
__u8 retry_cnt;
__u8 rnr_retry;
__u8 alt_port_num;
__u8 alt_timeout;
__u8 sq_sig_all;
__u8 reserved[5];
__u64 driver_data[0];
};
struct ib_uverbs_modify_qp {
struct ib_uverbs_qp_dest dest;
struct ib_uverbs_qp_dest alt_dest;
__u32 qp_handle;
__u32 attr_mask;
__u32 qkey;
__u32 rq_psn;
__u32 sq_psn;
__u32 dest_qp_num;
__u32 qp_access_flags;
__u16 pkey_index;
__u16 alt_pkey_index;
__u8 qp_state;
__u8 cur_qp_state;
__u8 path_mtu;
__u8 path_mig_state;
__u8 en_sqd_async_notify;
__u8 max_rd_atomic;
__u8 max_dest_rd_atomic;
__u8 min_rnr_timer;
__u8 port_num;
__u8 timeout;
__u8 retry_cnt;
__u8 rnr_retry;
__u8 alt_port_num;
__u8 alt_timeout;
__u8 reserved[2];
__u64 driver_data[0];
};
struct ib_uverbs_modify_qp_resp {
};
struct ib_uverbs_destroy_qp {
__u64 response;
__u32 qp_handle;
__u32 reserved;
};
struct ib_uverbs_destroy_qp_resp {
__u32 events_reported;
};
/*
* The ib_uverbs_sge structure isn't used anywhere, since we assume
* the ib_sge structure is packed the same way on 32-bit and 64-bit
* architectures in both kernel and user space. It's just here to
* document the ABI.
*/
struct ib_uverbs_sge {
__u64 addr;
__u32 length;
__u32 lkey;
};
struct ib_uverbs_send_wr {
__u64 wr_id;
__u32 num_sge;
__u32 opcode;
__u32 send_flags;
__u32 imm_data;
union {
struct {
__u64 remote_addr;
__u32 rkey;
__u32 reserved;
} rdma;
struct {
__u64 remote_addr;
__u64 compare_add;
__u64 swap;
__u32 rkey;
__u32 reserved;
} atomic;
struct {
__u32 ah;
__u32 remote_qpn;
__u32 remote_qkey;
__u32 reserved;
} ud;
} wr;
};
struct ib_uverbs_post_send {
__u64 response;
__u32 qp_handle;
__u32 wr_count;
__u32 sge_count;
__u32 wqe_size;
struct ib_uverbs_send_wr send_wr[0];
};
struct ib_uverbs_post_send_resp {
__u32 bad_wr;
};
struct ib_uverbs_recv_wr {
__u64 wr_id;
__u32 num_sge;
__u32 reserved;
};
struct ib_uverbs_post_recv {
__u64 response;
__u32 qp_handle;
__u32 wr_count;
__u32 sge_count;
__u32 wqe_size;
struct ib_uverbs_recv_wr recv_wr[0];
};
struct ib_uverbs_post_recv_resp {
__u32 bad_wr;
};
struct ib_uverbs_post_srq_recv {
__u64 response;
__u32 srq_handle;
__u32 wr_count;
__u32 sge_count;
__u32 wqe_size;
struct ib_uverbs_recv_wr recv[0];
};
struct ib_uverbs_post_srq_recv_resp {
__u32 bad_wr;
};
struct ib_uverbs_create_ah {
__u64 response;
__u64 user_handle;
__u32 pd_handle;
__u32 reserved;
struct ib_uverbs_ah_attr attr;
};
struct ib_uverbs_create_ah_resp {
__u32 ah_handle;
};
struct ib_uverbs_destroy_ah {
__u32 ah_handle;
};
struct ib_uverbs_attach_mcast {
__u8 gid[16];
__u32 qp_handle;
__u16 mlid;
__u16 reserved;
__u64 driver_data[0];
};
struct ib_uverbs_detach_mcast {
__u8 gid[16];
__u32 qp_handle;
__u16 mlid;
__u16 reserved;
__u64 driver_data[0];
};
struct ib_uverbs_create_srq {
__u64 response;
__u64 user_handle;
__u32 pd_handle;
__u32 max_wr;
__u32 max_sge;
__u32 srq_limit;
__u64 driver_data[0];
};
struct ib_uverbs_create_srq_resp {
__u32 srq_handle;
__u32 max_wr;
__u32 max_sge;
__u32 reserved;
};
struct ib_uverbs_modify_srq {
__u32 srq_handle;
__u32 attr_mask;
__u32 max_wr;
__u32 srq_limit;
__u64 driver_data[0];
};
struct ib_uverbs_query_srq {
__u64 response;
__u32 srq_handle;
__u32 reserved;
__u64 driver_data[0];
};
struct ib_uverbs_query_srq_resp {
__u32 max_wr;
__u32 max_sge;
__u32 srq_limit;
__u32 reserved;
};
struct ib_uverbs_destroy_srq {
__u64 response;
__u32 srq_handle;
__u32 reserved;
};
struct ib_uverbs_destroy_srq_resp {
__u32 events_reported;
};
#endif /* IB_USER_VERBS_H */