/*
* 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.
*/
#ifndef IB_USER_VERBS_H
#define IB_USER_VERBS_H
#include <linux/types.h>
/*
* Increment this value if any changes that break userspace ABI
* compatibility are made.
*/
#define IB_USER_VERBS_ABI_VERSION 6
#define IB_USER_VERBS_CMD_THRESHOLD 50
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,
IB_USER_VERBS_CMD_OPEN_XRCD,
IB_USER_VERBS_CMD_CLOSE_XRCD,
IB_USER_VERBS_CMD_CREATE_XSRQ,
IB_USER_VERBS_CMD_OPEN_QP,
};
enum {
IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE,
IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ,
IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP,
IB_USER_VERBS_EX_CMD_MODIFY_QP = IB_USER_VERBS_CMD_MODIFY_QP,
IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
IB_USER_VERBS_EX_CMD_CREATE_WQ,
IB_USER_VERBS_EX_CMD_MODIFY_WQ,
IB_USER_VERBS_EX_CMD_DESTROY_WQ,
IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL,
IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL
};
/*
* 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.
*/
#define IB_USER_VERBS_CMD_COMMAND_MASK 0xff
#define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u
#define IB_USER_VERBS_CMD_FLAGS_SHIFT 24
#define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80
struct ib_uverbs_cmd_hdr {
__u32 command;
__u16 in_words;
__u16 out_words;
};
struct ib_uverbs_ex_cmd_hdr {
__u64 response;
__u16 provider_in_words;
__u16 provider_out_words;
__u32 cmd_hdr_reserved;
};
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