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2025-11-06 00:01:42 +08:00
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427
openflow/usr/include/rdma/hfi/hfi1_user.h Normal file
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/*
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2015 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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 for more details.
*
* BSD LICENSE
*
* Copyright(c) 2015 Intel Corporation.
*
* 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.
* - Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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
* OWNER 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.
*
*/
/*
* This file contains defines, structures, etc. that are used
* to communicate between kernel and user code.
*/
#ifndef _LINUX__HFI1_USER_H
#define _LINUX__HFI1_USER_H
#include <linux/types.h>
/*
* This version number is given to the driver by the user code during
* initialization in the spu_userversion field of hfi1_user_info, so
* the driver can check for compatibility with user code.
*
* The major version changes when data structures change in an incompatible
* way. The driver must be the same for initialization to succeed.
*/
#define HFI1_USER_SWMAJOR 4
/*
* Minor version differences are always compatible
* a within a major version, however if user software is larger
* than driver software, some new features and/or structure fields
* may not be implemented; the user code must deal with this if it
* cares, or it must abort after initialization reports the difference.
*/
#define HFI1_USER_SWMINOR 0
/*
* Set of HW and driver capability/feature bits.
* These bit values are used to configure enabled/disabled HW and
* driver features. The same set of bits are communicated to user
* space.
*/
#define HFI1_CAP_DMA_RTAIL (1UL << 0) /* Use DMA'ed RTail value */
#define HFI1_CAP_SDMA (1UL << 1) /* Enable SDMA support */
#define HFI1_CAP_SDMA_AHG (1UL << 2) /* Enable SDMA AHG support */
#define HFI1_CAP_EXTENDED_PSN (1UL << 3) /* Enable Extended PSN support */
#define HFI1_CAP_HDRSUPP (1UL << 4) /* Enable Header Suppression */
/* 1UL << 5 unused */
#define HFI1_CAP_USE_SDMA_HEAD (1UL << 6) /* DMA Hdr Q tail vs. use CSR */
#define HFI1_CAP_MULTI_PKT_EGR (1UL << 7) /* Enable multi-packet Egr buffs*/
#define HFI1_CAP_NODROP_RHQ_FULL (1UL << 8) /* Don't drop on Hdr Q full */
#define HFI1_CAP_NODROP_EGR_FULL (1UL << 9) /* Don't drop on EGR buffs full */
#define HFI1_CAP_TID_UNMAP (1UL << 10) /* Enable Expected TID caching */
#define HFI1_CAP_PRINT_UNIMPL (1UL << 11) /* Show for unimplemented feats */
#define HFI1_CAP_ALLOW_PERM_JKEY (1UL << 12) /* Allow use of permissive JKEY */
#define HFI1_CAP_NO_INTEGRITY (1UL << 13) /* Enable ctxt integrity checks */
#define HFI1_CAP_PKEY_CHECK (1UL << 14) /* Enable ctxt PKey checking */
#define HFI1_CAP_STATIC_RATE_CTRL (1UL << 15) /* Allow PBC.StaticRateControl */
/* 1UL << 16 unused */
#define HFI1_CAP_SDMA_HEAD_CHECK (1UL << 17) /* SDMA head checking */
#define HFI1_CAP_EARLY_CREDIT_RETURN (1UL << 18) /* early credit return */
#define HFI1_RCVHDR_ENTSIZE_2 (1UL << 0)
#define HFI1_RCVHDR_ENTSIZE_16 (1UL << 1)
#define HFI1_RCVDHR_ENTSIZE_32 (1UL << 2)
/*
* If the unit is specified via open, HFI choice is fixed. If port is
* specified, it's also fixed. Otherwise we try to spread contexts
* across ports and HFIs, using different algorithms. WITHIN is
* the old default, prior to this mechanism.
*/
#define HFI1_ALG_ACROSS 0 /* round robin contexts across HFIs, then
* ports; this is the default */
#define HFI1_ALG_WITHIN 1 /* use all contexts on an HFI (round robin
* active ports within), then next HFI */
#define HFI1_ALG_COUNT 2 /* number of algorithm choices */
/* User commands. */
#define HFI1_CMD_ASSIGN_CTXT 1 /* allocate HFI and context */
#define HFI1_CMD_CTXT_INFO 2 /* find out what resources we got */
#define HFI1_CMD_USER_INFO 3 /* set up userspace */
#define HFI1_CMD_TID_UPDATE 4 /* update expected TID entries */
#define HFI1_CMD_TID_FREE 5 /* free expected TID entries */
#define HFI1_CMD_CREDIT_UPD 6 /* force an update of PIO credit */
#define HFI1_CMD_SDMA_STATUS_UPD 7 /* force update of SDMA status ring */
#define HFI1_CMD_RECV_CTRL 8 /* control receipt of packets */
#define HFI1_CMD_POLL_TYPE 9 /* set the kind of polling we want */
#define HFI1_CMD_ACK_EVENT 10 /* ack & clear user status bits */
#define HFI1_CMD_SET_PKEY 11 /* set context's pkey */
#define HFI1_CMD_CTXT_RESET 12 /* reset context's HW send context */
/* separate EPROM commands from normal PSM commands */
#define HFI1_CMD_EP_INFO 64 /* read EPROM device ID */
#define HFI1_CMD_EP_ERASE_CHIP 65 /* erase whole EPROM */
#define HFI1_CMD_EP_ERASE_P0 66 /* erase EPROM partition 0 */
#define HFI1_CMD_EP_ERASE_P1 67 /* erase EPROM partition 1 */
#define HFI1_CMD_EP_READ_P0 68 /* read EPROM partition 0 */
#define HFI1_CMD_EP_READ_P1 69 /* read EPROM partition 1 */
#define HFI1_CMD_EP_WRITE_P0 70 /* write EPROM partition 0 */
#define HFI1_CMD_EP_WRITE_P1 71 /* write EPROM partition 1 */
#define _HFI1_EVENT_FROZEN_BIT 0
#define _HFI1_EVENT_LINKDOWN_BIT 1
#define _HFI1_EVENT_LID_CHANGE_BIT 2
#define _HFI1_EVENT_LMC_CHANGE_BIT 3
#define _HFI1_EVENT_SL2VL_CHANGE_BIT 4
#define _HFI1_MAX_EVENT_BIT _HFI1_EVENT_SL2VL_CHANGE_BIT
#define HFI1_EVENT_FROZEN (1UL << _HFI1_EVENT_FROZEN_BIT)
#define HFI1_EVENT_LINKDOWN_BIT (1UL << _HFI1_EVENT_LINKDOWN_BIT)
#define HFI1_EVENT_LID_CHANGE_BIT (1UL << _HFI1_EVENT_LID_CHANGE_BIT)
#define HFI1_EVENT_LMC_CHANGE_BIT (1UL << _HFI1_EVENT_LMC_CHANGE_BIT)
#define HFI1_EVENT_SL2VL_CHANGE_BIT (1UL << _HFI1_EVENT_SL2VL_CHANGE_BIT)
/*
* These are the status bits readable (in ASCII form, 64bit value)
* from the "status" sysfs file. For binary compatibility, values
* must remain as is; removed states can be reused for different
* purposes.
*/
#define HFI1_STATUS_INITTED 0x1 /* basic initialization done */
/* Chip has been found and initialized */
#define HFI1_STATUS_CHIP_PRESENT 0x20
/* IB link is at ACTIVE, usable for data traffic */
#define HFI1_STATUS_IB_READY 0x40
/* link is configured, LID, MTU, etc. have been set */
#define HFI1_STATUS_IB_CONF 0x80
/* A Fatal hardware error has occurred. */
#define HFI1_STATUS_HWERROR 0x200
/*
* Number of supported shared contexts.
* This is the maximum number of software contexts that can share
* a hardware send/receive context.
*/
#define HFI1_MAX_SHARED_CTXTS 8
/*
* Poll types
*/
#define HFI1_POLL_TYPE_ANYRCV 0x0
#define HFI1_POLL_TYPE_URGENT 0x1
/*
* This structure is passed to the driver to tell it where
* user code buffers are, sizes, etc. The offsets and sizes of the
* fields must remain unchanged, for binary compatibility. It can
* be extended, if userversion is changed so user code can tell, if needed
*/
struct hfi1_user_info {
/*
* version of user software, to detect compatibility issues.
* Should be set to HFI1_USER_SWVERSION.
*/
__u32 userversion;
__u16 pad;
/* HFI selection algorithm, if unit has not selected */
__u16 hfi1_alg;
/*
* If two or more processes wish to share a context, each process
* must set the subcontext_cnt and subcontext_id to the same
* values. The only restriction on the subcontext_id is that
* it be unique for a given node.
*/
__u16 subctxt_cnt;
__u16 subctxt_id;
/* 128bit UUID passed in by PSM. */
__u8 uuid[16];
};
struct hfi1_ctxt_info {
__u64 runtime_flags; /* chip/drv runtime flags (HFI1_CAP_*) */
__u32 rcvegr_size; /* size of each eager buffer */
__u16 num_active; /* number of active units */
__u16 unit; /* unit (chip) assigned to caller */
__u16 ctxt; /* ctxt on unit assigned to caller */
__u16 subctxt; /* subctxt on unit assigned to caller */
__u16 rcvtids; /* number of Rcv TIDs for this context */
__u16 credits; /* number of PIO credits for this context */
__u16 numa_node; /* NUMA node of the assigned device */
__u16 rec_cpu; /* cpu # for affinity (0xffff if none) */
__u16 send_ctxt; /* send context in use by this user context */
__u16 egrtids; /* number of RcvArray entries for Eager Rcvs */
__u16 rcvhdrq_cnt; /* number of RcvHdrQ entries */
__u16 rcvhdrq_entsize; /* size (in bytes) for each RcvHdrQ entry */
__u16 sdma_ring_size; /* number of entries in SDMA request ring */
};
struct hfi1_tid_info {
/* virtual address of first page in transfer */
__u64 vaddr;
/* pointer to tid array. this array is big enough */
__u64 tidlist;
/* number of tids programmed by this request */
__u32 tidcnt;
/* length of transfer buffer programmed by this request */
__u32 length;
/*
* pointer to bitmap of TIDs used for this call;
* checked for being large enough at open
*/
__u64 tidmap;
};
struct hfi1_cmd {
__u32 type; /* command type */
__u32 len; /* length of struct pointed to by add */
__u64 addr; /* pointer to user structure */
};
enum hfi1_sdma_comp_state {
FREE = 0,
QUEUED,
COMPLETE,
ERROR
};
/*
* SDMA completion ring entry
*/
struct hfi1_sdma_comp_entry {
__u32 status;
__u32 errcode;
};
/*
* Device status and notifications from driver to user-space.
*/
struct hfi1_status {
__u64 dev; /* device/hw status bits */
__u64 port; /* port state and status bits */
char freezemsg[0];
};
/*
* This structure is returned by the driver immediately after
* open to get implementation-specific info, and info specific to this
* instance.
*
* This struct must have explicit pad fields where type sizes
* may result in different alignments between 32 and 64 bit
* programs, since the 64 bit * bit kernel requires the user code
* to have matching offsets
*/
struct hfi1_base_info {
/* version of hardware, for feature checking. */
__u32 hw_version;
/* version of software, for feature checking. */
__u32 sw_version;
/* Job key */
__u16 jkey;
__u16 padding1;
/*
* The special QP (queue pair) value that identifies PSM
* protocol packet from standard IB packets.
*/
__u32 bthqp;
/* PIO credit return address, */
__u64 sc_credits_addr;
/*
* Base address of write-only pio buffers for this process.
* Each buffer has sendpio_credits*64 bytes.
*/
__u64 pio_bufbase_sop;
/*
* Base address of write-only pio buffers for this process.
* Each buffer has sendpio_credits*64 bytes.
*/
__u64 pio_bufbase;
/* address where receive buffer queue is mapped into */
__u64 rcvhdr_bufbase;
/* base address of Eager receive buffers. */
__u64 rcvegr_bufbase;
/* base address of SDMA completion ring */
__u64 sdma_comp_bufbase;
/*
* User register base for init code, not to be used directly by
* protocol or applications. Always maps real chip register space.
* the register addresses are:
* ur_rcvhdrhead, ur_rcvhdrtail, ur_rcvegrhead, ur_rcvegrtail,
* ur_rcvtidflow
*/
__u64 user_regbase;
/* notification events */
__u64 events_bufbase;
/* status page */
__u64 status_bufbase;
/* rcvhdrtail update */
__u64 rcvhdrtail_base;
/*
* shared memory pages for subctxts if ctxt is shared; these cover
* all the processes in the group sharing a single context.
* all have enough space for the num_subcontexts value on this job.
*/
__u64 subctxt_uregbase;
__u64 subctxt_rcvegrbuf;
__u64 subctxt_rcvhdrbuf;
};
enum sdma_req_opcode {
EXPECTED = 0,
EAGER
};
#define HFI1_SDMA_REQ_VERSION_MASK 0xF
#define HFI1_SDMA_REQ_VERSION_SHIFT 0x0
#define HFI1_SDMA_REQ_OPCODE_MASK 0xF
#define HFI1_SDMA_REQ_OPCODE_SHIFT 0x4
#define HFI1_SDMA_REQ_IOVCNT_MASK 0xFF
#define HFI1_SDMA_REQ_IOVCNT_SHIFT 0x8
struct sdma_req_info {
/*
* bits 0-3 - version (currently unused)
* bits 4-7 - opcode (enum sdma_req_opcode)
* bits 8-15 - io vector count
*/
__u16 ctrl;
/*
* Number of fragments contained in this request.
* User-space has already computed how many
* fragment-sized packet the user buffer will be
* split into.
*/
__u16 npkts;
/*
* Size of each fragment the user buffer will be
* split into.
*/
__u16 fragsize;
/*
* Index of the slot in the SDMA completion ring
* this request should be using. User-space is
* in charge of managing its own ring.
*/
__u16 comp_idx;
} __attribute__((packed));
/*
* SW KDETH header.
* swdata is SW defined portion.
*/
struct hfi1_kdeth_header {
__le32 ver_tid_offset;
__le16 jkey;
__le16 hcrc;
__le32 swdata[7];
} __attribute__((packed));
/*
* Structure describing the headers that User space uses. The
* structure above is a subset of this one.
*/
struct hfi1_pkt_header {
__le16 pbc[4];
__be16 lrh[4];
__be32 bth[3];
struct hfi1_kdeth_header kdeth;
} __attribute__((packed));
/*
* The list of usermode accessible registers.
*/
enum hfi1_ureg {
/* (RO) DMA RcvHdr to be used next. */
ur_rcvhdrtail = 0,
/* (RW) RcvHdr entry to be processed next by host. */
ur_rcvhdrhead = 1,
/* (RO) Index of next Eager index to use. */
ur_rcvegrindextail = 2,
/* (RW) Eager TID to be processed next */
ur_rcvegrindexhead = 3,
/* (RO) Receive Eager Offset Tail */
ur_rcvegroffsettail = 4,
/* For internal use only; max register number. */
ur_maxreg,
/* (RW) Receive TID flow table */
ur_rcvtidflowtable = 256
};
#endif /* _LINIUX__HFI1_USER_H */

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/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Intel Corporation. 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_CM_H
#define IB_USER_CM_H
#include <linux/types.h>
#include <rdma/ib_user_sa.h>
#define IB_USER_CM_ABI_VERSION 5
enum {
IB_USER_CM_CMD_CREATE_ID,
IB_USER_CM_CMD_DESTROY_ID,
IB_USER_CM_CMD_ATTR_ID,
IB_USER_CM_CMD_LISTEN,
IB_USER_CM_CMD_NOTIFY,
IB_USER_CM_CMD_SEND_REQ,
IB_USER_CM_CMD_SEND_REP,
IB_USER_CM_CMD_SEND_RTU,
IB_USER_CM_CMD_SEND_DREQ,
IB_USER_CM_CMD_SEND_DREP,
IB_USER_CM_CMD_SEND_REJ,
IB_USER_CM_CMD_SEND_MRA,
IB_USER_CM_CMD_SEND_LAP,
IB_USER_CM_CMD_SEND_APR,
IB_USER_CM_CMD_SEND_SIDR_REQ,
IB_USER_CM_CMD_SEND_SIDR_REP,
IB_USER_CM_CMD_EVENT,
IB_USER_CM_CMD_INIT_QP_ATTR,
};
/*
* command ABI structures.
*/
struct ib_ucm_cmd_hdr {
__u32 cmd;
__u16 in;
__u16 out;
};
struct ib_ucm_create_id {
__u64 uid;
__u64 response;
};
struct ib_ucm_create_id_resp {
__u32 id;
};
struct ib_ucm_destroy_id {
__u64 response;
__u32 id;
__u32 reserved;
};
struct ib_ucm_destroy_id_resp {
__u32 events_reported;
};
struct ib_ucm_attr_id {
__u64 response;
__u32 id;
__u32 reserved;
};
struct ib_ucm_attr_id_resp {
__be64 service_id;
__be64 service_mask;
__be32 local_id;
__be32 remote_id;
};
struct ib_ucm_init_qp_attr {
__u64 response;
__u32 id;
__u32 qp_state;
};
struct ib_ucm_listen {
__be64 service_id;
__be64 service_mask;
__u32 id;
__u32 reserved;
};
struct ib_ucm_notify {
__u32 id;
__u32 event;
};
struct ib_ucm_private_data {
__u64 data;
__u32 id;
__u8 len;
__u8 reserved[3];
};
struct ib_ucm_req {
__u32 id;
__u32 qpn;
__u32 qp_type;
__u32 psn;
__be64 sid;
__u64 data;
__u64 primary_path;
__u64 alternate_path;
__u8 len;
__u8 peer_to_peer;
__u8 responder_resources;
__u8 initiator_depth;
__u8 remote_cm_response_timeout;
__u8 flow_control;
__u8 local_cm_response_timeout;
__u8 retry_count;
__u8 rnr_retry_count;
__u8 max_cm_retries;
__u8 srq;
__u8 reserved[5];
};
struct ib_ucm_rep {
__u64 uid;
__u64 data;
__u32 id;
__u32 qpn;
__u32 psn;
__u8 len;
__u8 responder_resources;
__u8 initiator_depth;
__u8 target_ack_delay;
__u8 failover_accepted;
__u8 flow_control;
__u8 rnr_retry_count;
__u8 srq;
__u8 reserved[4];
};
struct ib_ucm_info {
__u32 id;
__u32 status;
__u64 info;
__u64 data;
__u8 info_len;
__u8 data_len;
__u8 reserved[6];
};
struct ib_ucm_mra {
__u64 data;
__u32 id;
__u8 len;
__u8 timeout;
__u8 reserved[2];
};
struct ib_ucm_lap {
__u64 path;
__u64 data;
__u32 id;
__u8 len;
__u8 reserved[3];
};
struct ib_ucm_sidr_req {
__u32 id;
__u32 timeout;
__be64 sid;
__u64 data;
__u64 path;
__u16 reserved_pkey;
__u8 len;
__u8 max_cm_retries;
__u8 reserved[4];
};
struct ib_ucm_sidr_rep {
__u32 id;
__u32 qpn;
__u32 qkey;
__u32 status;
__u64 info;
__u64 data;
__u8 info_len;
__u8 data_len;
__u8 reserved[6];
};
/*
* event notification ABI structures.
*/
struct ib_ucm_event_get {
__u64 response;
__u64 data;
__u64 info;
__u8 data_len;
__u8 info_len;
__u8 reserved[6];
};
struct ib_ucm_req_event_resp {
struct ib_user_path_rec primary_path;
struct ib_user_path_rec alternate_path;
__be64 remote_ca_guid;
__u32 remote_qkey;
__u32 remote_qpn;
__u32 qp_type;
__u32 starting_psn;
__u8 responder_resources;
__u8 initiator_depth;
__u8 local_cm_response_timeout;
__u8 flow_control;
__u8 remote_cm_response_timeout;
__u8 retry_count;
__u8 rnr_retry_count;
__u8 srq;
__u8 port;
__u8 reserved[7];
};
struct ib_ucm_rep_event_resp {
__be64 remote_ca_guid;
__u32 remote_qkey;
__u32 remote_qpn;
__u32 starting_psn;
__u8 responder_resources;
__u8 initiator_depth;
__u8 target_ack_delay;
__u8 failover_accepted;
__u8 flow_control;
__u8 rnr_retry_count;
__u8 srq;
__u8 reserved[5];
};
struct ib_ucm_rej_event_resp {
__u32 reason;
/* ari in ib_ucm_event_get info field. */
};
struct ib_ucm_mra_event_resp {
__u8 timeout;
__u8 reserved[3];
};
struct ib_ucm_lap_event_resp {
struct ib_user_path_rec path;
};
struct ib_ucm_apr_event_resp {
__u32 status;
/* apr info in ib_ucm_event_get info field. */
};
struct ib_ucm_sidr_req_event_resp {
__u16 pkey;
__u8 port;
__u8 reserved;
};
struct ib_ucm_sidr_rep_event_resp {
__u32 status;
__u32 qkey;
__u32 qpn;
/* info in ib_ucm_event_get info field. */
};
#define IB_UCM_PRES_DATA 0x01
#define IB_UCM_PRES_INFO 0x02
#define IB_UCM_PRES_PRIMARY 0x04
#define IB_UCM_PRES_ALTERNATE 0x08
struct ib_ucm_event_resp {
__u64 uid;
__u32 id;
__u32 event;
__u32 present;
__u32 reserved;
union {
struct ib_ucm_req_event_resp req_resp;
struct ib_ucm_rep_event_resp rep_resp;
struct ib_ucm_rej_event_resp rej_resp;
struct ib_ucm_mra_event_resp mra_resp;
struct ib_ucm_lap_event_resp lap_resp;
struct ib_ucm_apr_event_resp apr_resp;
struct ib_ucm_sidr_req_event_resp sidr_req_resp;
struct ib_ucm_sidr_rep_event_resp sidr_rep_resp;
__u32 send_status;
} u;
};
#endif /* IB_USER_CM_H */

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/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Voltaire, Inc. 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_MAD_H
#define IB_USER_MAD_H
#include <linux/types.h>
#include <linux/ioctl.h>
/*
* Increment this value if any changes that break userspace ABI
* compatibility are made.
*/
#define IB_USER_MAD_ABI_VERSION 5
/*
* 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).
*/
/**
* ib_user_mad_hdr_old - Old version of MAD packet header without pkey_index
* @id - ID of agent MAD received with/to be sent with
* @status - 0 on successful receive, ETIMEDOUT if no response
* received (transaction ID in data[] will be set to TID of original
* request) (ignored on send)
* @timeout_ms - Milliseconds to wait for response (unset on receive)
* @retries - Number of automatic retries to attempt
* @qpn - Remote QP number received from/to be sent to
* @qkey - Remote Q_Key to be sent with (unset on receive)
* @lid - Remote lid received from/to be sent to
* @sl - Service level received with/to be sent with
* @path_bits - Local path bits received with/to be sent with
* @grh_present - If set, GRH was received/should be sent
* @gid_index - Local GID index to send with (unset on receive)
* @hop_limit - Hop limit in GRH
* @traffic_class - Traffic class in GRH
* @gid - Remote GID in GRH
* @flow_label - Flow label in GRH
*/
struct ib_user_mad_hdr_old {
__u32 id;
__u32 status;
__u32 timeout_ms;
__u32 retries;
__u32 length;
__be32 qpn;
__be32 qkey;
__be16 lid;
__u8 sl;
__u8 path_bits;
__u8 grh_present;
__u8 gid_index;
__u8 hop_limit;
__u8 traffic_class;
__u8 gid[16];
__be32 flow_label;
};
/**
* ib_user_mad_hdr - MAD packet header
* This layout allows specifying/receiving the P_Key index. To use
* this capability, an application must call the
* IB_USER_MAD_ENABLE_PKEY ioctl on the user MAD file handle before
* any other actions with the file handle.
* @id - ID of agent MAD received with/to be sent with
* @status - 0 on successful receive, ETIMEDOUT if no response
* received (transaction ID in data[] will be set to TID of original
* request) (ignored on send)
* @timeout_ms - Milliseconds to wait for response (unset on receive)
* @retries - Number of automatic retries to attempt
* @qpn - Remote QP number received from/to be sent to
* @qkey - Remote Q_Key to be sent with (unset on receive)
* @lid - Remote lid received from/to be sent to
* @sl - Service level received with/to be sent with
* @path_bits - Local path bits received with/to be sent with
* @grh_present - If set, GRH was received/should be sent
* @gid_index - Local GID index to send with (unset on receive)
* @hop_limit - Hop limit in GRH
* @traffic_class - Traffic class in GRH
* @gid - Remote GID in GRH
* @flow_label - Flow label in GRH
* @pkey_index - P_Key index
*/
struct ib_user_mad_hdr {
__u32 id;
__u32 status;
__u32 timeout_ms;
__u32 retries;
__u32 length;
__be32 qpn;
__be32 qkey;
__be16 lid;
__u8 sl;
__u8 path_bits;
__u8 grh_present;
__u8 gid_index;
__u8 hop_limit;
__u8 traffic_class;
__u8 gid[16];
__be32 flow_label;
__u16 pkey_index;
__u8 reserved[6];
};
/**
* ib_user_mad - MAD packet
* @hdr - MAD packet header
* @data - Contents of MAD
*
*/
struct ib_user_mad {
struct ib_user_mad_hdr hdr;
__u64 data[0];
};
/*
* Earlier versions of this interface definition declared the
* method_mask[] member as an array of __u32 but treated it as a
* bitmap made up of longs in the kernel. This ambiguity meant that
* 32-bit big-endian applications that can run on both 32-bit and
* 64-bit kernels had no consistent ABI to rely on, and 64-bit
* big-endian applications that treated method_mask as being made up
* of 32-bit words would have their bitmap misinterpreted.
*
* To clear up this confusion, we change the declaration of
* method_mask[] to use unsigned long and handle the conversion from
* 32-bit userspace to 64-bit kernel for big-endian systems in the
* compat_ioctl method. Unfortunately, to keep the structure layout
* the same, we need the method_mask[] array to be aligned only to 4
* bytes even when long is 64 bits, which forces us into this ugly
* typedef.
*/
typedef unsigned long __attribute__((aligned(4))) packed_ulong;
#define IB_USER_MAD_LONGS_PER_METHOD_MASK (128 / (8 * sizeof (long)))
/**
* ib_user_mad_reg_req - MAD registration request
* @id - Set by the kernel; used to identify agent in future requests.
* @qpn - Queue pair number; must be 0 or 1.
* @method_mask - The caller will receive unsolicited MADs for any method
* where @method_mask = 1.
* @mgmt_class - Indicates which management class of MADs should be receive
* by the caller. This field is only required if the user wishes to
* receive unsolicited MADs, otherwise it should be 0.
* @mgmt_class_version - Indicates which version of MADs for the given
* management class to receive.
* @oui: Indicates IEEE OUI when mgmt_class is a vendor class
* in the range from 0x30 to 0x4f. Otherwise not used.
* @rmpp_version: If set, indicates the RMPP version used.
*
*/
struct ib_user_mad_reg_req {
__u32 id;
packed_ulong method_mask[IB_USER_MAD_LONGS_PER_METHOD_MASK];
__u8 qpn;
__u8 mgmt_class;
__u8 mgmt_class_version;
__u8 oui[3];
__u8 rmpp_version;
};
/**
* ib_user_mad_reg_req2 - MAD registration request
*
* @id - Set by the _kernel_; used by userspace to identify the
* registered agent in future requests.
* @qpn - Queue pair number; must be 0 or 1.
* @mgmt_class - Indicates which management class of MADs should be
* receive by the caller. This field is only required if
* the user wishes to receive unsolicited MADs, otherwise
* it should be 0.
* @mgmt_class_version - Indicates which version of MADs for the given
* management class to receive.
* @res - Ignored.
* @flags - additional registration flags; Must be in the set of
* flags defined in IB_USER_MAD_REG_FLAGS_CAP
* @method_mask - The caller wishes to receive unsolicited MADs for the
* methods whose bit(s) is(are) set.
* @oui - Indicates IEEE OUI to use when mgmt_class is a vendor
* class in the range from 0x30 to 0x4f. Otherwise not
* used.
* @rmpp_version - If set, indicates the RMPP version to use.
*/
enum {
IB_USER_MAD_USER_RMPP = (1 << 0),
};
#define IB_USER_MAD_REG_FLAGS_CAP (IB_USER_MAD_USER_RMPP)
struct ib_user_mad_reg_req2 {
__u32 id;
__u32 qpn;
__u8 mgmt_class;
__u8 mgmt_class_version;
__u16 res;
__u32 flags;
__u64 method_mask[2];
__u32 oui;
__u8 rmpp_version;
__u8 reserved[3];
};
#define IB_IOCTL_MAGIC 0x1b
#define IB_USER_MAD_REGISTER_AGENT _IOWR(IB_IOCTL_MAGIC, 1, \
struct ib_user_mad_reg_req)
#define IB_USER_MAD_UNREGISTER_AGENT _IOW(IB_IOCTL_MAGIC, 2, __u32)
#define IB_USER_MAD_ENABLE_PKEY _IO(IB_IOCTL_MAGIC, 3)
#define IB_USER_MAD_REGISTER_AGENT2 _IOWR(IB_IOCTL_MAGIC, 4, \
struct ib_user_mad_reg_req2)
#endif /* IB_USER_MAD_H */

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/*
* Copyright (c) 2005 Intel Corporation. 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_SA_H
#define IB_USER_SA_H
#include <linux/types.h>
enum {
IB_PATH_GMP = 1,
IB_PATH_PRIMARY = (1<<1),
IB_PATH_ALTERNATE = (1<<2),
IB_PATH_OUTBOUND = (1<<3),
IB_PATH_INBOUND = (1<<4),
IB_PATH_INBOUND_REVERSE = (1<<5),
IB_PATH_BIDIRECTIONAL = IB_PATH_OUTBOUND | IB_PATH_INBOUND_REVERSE
};
struct ib_path_rec_data {
__u32 flags;
__u32 reserved;
__u32 path_rec[16];
};
struct ib_user_path_rec {
__u8 dgid[16];
__u8 sgid[16];
__be16 dlid;
__be16 slid;
__u32 raw_traffic;
__be32 flow_label;
__u32 reversible;
__u32 mtu;
__be16 pkey;
__u8 hop_limit;
__u8 traffic_class;
__u8 numb_path;
__u8 sl;
__u8 mtu_selector;
__u8 rate_selector;
__u8 rate;
__u8 packet_life_time_selector;
__u8 packet_life_time;
__u8 preference;
};
#endif /* IB_USER_SA_H */

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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.
*/
#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_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
};
/*
* 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 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_ex_query_device {
__u32 comp_mask;
__u32 reserved;
};
struct ib_uverbs_odp_caps {
__u64 general_caps;
struct {
__u32 rc_odp_caps;
__u32 uc_odp_caps;
__u32 ud_odp_caps;
} per_transport_caps;
__u32 reserved;
};
struct ib_uverbs_ex_query_device_resp {
struct ib_uverbs_query_device_resp base;
__u32 comp_mask;
__u32 response_length;
struct ib_uverbs_odp_caps odp_caps;
__u64 timestamp_mask;
__u64 hca_core_clock; /* in KHZ */
};
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 link_layer;
__u8 reserved[2];
};
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_open_xrcd {
__u64 response;
__u32 fd;
__u32 oflags;
__u64 driver_data[0];
};
struct ib_uverbs_open_xrcd_resp {
__u32 xrcd_handle;
};
struct ib_uverbs_close_xrcd {
__u32 xrcd_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_rereg_mr {
__u64 response;
__u32 mr_handle;
__u32 flags;
__u64 start;
__u64 length;
__u64 hca_va;
__u32 pd_handle;
__u32 access_flags;
};
struct ib_uverbs_rereg_mr_resp {
__u32 lkey;
__u32 rkey;
};
struct ib_uverbs_dereg_mr {
__u32 mr_handle;
};
struct ib_uverbs_alloc_mw {
__u64 response;
__u32 pd_handle;
__u8 mw_type;
__u8 reserved[3];
};
struct ib_uverbs_alloc_mw_resp {
__u32 mw_handle;
__u32 rkey;
};
struct ib_uverbs_dealloc_mw {
__u32 mw_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_ex_create_cq {
__u64 user_handle;
__u32 cqe;
__u32 comp_vector;
__s32 comp_channel;
__u32 comp_mask;
__u32 flags;
__u32 reserved;
};
struct ib_uverbs_create_cq_resp {
__u32 cq_handle;
__u32 cqe;
};
struct ib_uverbs_ex_create_cq_resp {
struct ib_uverbs_create_cq_resp base;
__u32 comp_mask;
__u32 response_length;
};
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;
union {
__u32 imm_data;
__u32 invalidate_rkey;
} ex;
__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_ex_create_qp {
__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;
__u32 comp_mask;
__u32 create_flags;
};
struct ib_uverbs_open_qp {
__u64 response;
__u64 user_handle;
__u32 pd_handle;
__u32 qpn;
__u8 qp_type;
__u8 reserved[7];
__u64 driver_data[0];
};
/* also used for open response */
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;
};
struct ib_uverbs_ex_create_qp_resp {
struct ib_uverbs_create_qp_resp base;
__u32 comp_mask;
__u32 response_length;
};
/*
* 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;
union {
__u32 imm_data;
__u32 invalidate_rkey;
} ex;
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_flow_spec_hdr {
__u32 type;
__u16 size;
__u16 reserved;
/* followed by flow_spec */
__u64 flow_spec_data[0];
};
struct ib_uverbs_flow_eth_filter {
__u8 dst_mac[6];
__u8 src_mac[6];
__be16 ether_type;
__be16 vlan_tag;
};
struct ib_uverbs_flow_spec_eth {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_eth_filter val;
struct ib_uverbs_flow_eth_filter mask;
};
struct ib_uverbs_flow_ipv4_filter {
__be32 src_ip;
__be32 dst_ip;
};
struct ib_uverbs_flow_spec_ipv4 {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_ipv4_filter val;
struct ib_uverbs_flow_ipv4_filter mask;
};
struct ib_uverbs_flow_tcp_udp_filter {
__be16 dst_port;
__be16 src_port;
};
struct ib_uverbs_flow_spec_tcp_udp {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_tcp_udp_filter val;
struct ib_uverbs_flow_tcp_udp_filter mask;
};
struct ib_uverbs_flow_attr {
__u32 type;
__u16 size;
__u16 priority;
__u8 num_of_specs;
__u8 reserved[2];
__u8 port;
__u32 flags;
/* Following are the optional layers according to user request
* struct ib_flow_spec_xxx
* struct ib_flow_spec_yyy
*/
struct ib_uverbs_flow_spec_hdr flow_specs[0];
};
struct ib_uverbs_create_flow {
__u32 comp_mask;
__u32 qp_handle;
struct ib_uverbs_flow_attr flow_attr;
};
struct ib_uverbs_create_flow_resp {
__u32 comp_mask;
__u32 flow_handle;
};
struct ib_uverbs_destroy_flow {
__u32 comp_mask;
__u32 flow_handle;
};
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_xsrq {
__u64 response;
__u64 user_handle;
__u32 srq_type;
__u32 pd_handle;
__u32 max_wr;
__u32 max_sge;
__u32 srq_limit;
__u32 reserved;
__u32 xrcd_handle;
__u32 cq_handle;
__u64 driver_data[0];
};
struct ib_uverbs_create_srq_resp {
__u32 srq_handle;
__u32 max_wr;
__u32 max_sge;
__u32 srqn;
};
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 */

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#ifndef _RDMA_NETLINK_H
#define _RDMA_NETLINK_H
#include <linux/types.h>
enum {
RDMA_NL_RDMA_CM = 1,
RDMA_NL_NES,
RDMA_NL_C4IW,
RDMA_NL_LS, /* RDMA Local Services */
RDMA_NL_NUM_CLIENTS
};
enum {
RDMA_NL_GROUP_CM = 1,
RDMA_NL_GROUP_IWPM,
RDMA_NL_GROUP_LS,
RDMA_NL_NUM_GROUPS
};
#define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10)
#define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1))
#define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op)
enum {
RDMA_NL_RDMA_CM_ID_STATS = 0,
RDMA_NL_RDMA_CM_NUM_OPS
};
enum {
RDMA_NL_RDMA_CM_ATTR_SRC_ADDR = 1,
RDMA_NL_RDMA_CM_ATTR_DST_ADDR,
RDMA_NL_RDMA_CM_NUM_ATTR,
};
/* iwarp port mapper op-codes */
enum {
RDMA_NL_IWPM_REG_PID = 0,
RDMA_NL_IWPM_ADD_MAPPING,
RDMA_NL_IWPM_QUERY_MAPPING,
RDMA_NL_IWPM_REMOVE_MAPPING,
RDMA_NL_IWPM_REMOTE_INFO,
RDMA_NL_IWPM_HANDLE_ERR,
RDMA_NL_IWPM_MAPINFO,
RDMA_NL_IWPM_MAPINFO_NUM,
RDMA_NL_IWPM_NUM_OPS
};
struct rdma_cm_id_stats {
__u32 qp_num;
__u32 bound_dev_if;
__u32 port_space;
__s32 pid;
__u8 cm_state;
__u8 node_type;
__u8 port_num;
__u8 qp_type;
};
enum {
IWPM_NLA_REG_PID_UNSPEC = 0,
IWPM_NLA_REG_PID_SEQ,
IWPM_NLA_REG_IF_NAME,
IWPM_NLA_REG_IBDEV_NAME,
IWPM_NLA_REG_ULIB_NAME,
IWPM_NLA_REG_PID_MAX
};
enum {
IWPM_NLA_RREG_PID_UNSPEC = 0,
IWPM_NLA_RREG_PID_SEQ,
IWPM_NLA_RREG_IBDEV_NAME,
IWPM_NLA_RREG_ULIB_NAME,
IWPM_NLA_RREG_ULIB_VER,
IWPM_NLA_RREG_PID_ERR,
IWPM_NLA_RREG_PID_MAX
};
enum {
IWPM_NLA_MANAGE_MAPPING_UNSPEC = 0,
IWPM_NLA_MANAGE_MAPPING_SEQ,
IWPM_NLA_MANAGE_ADDR,
IWPM_NLA_MANAGE_MAPPED_LOC_ADDR,
IWPM_NLA_RMANAGE_MAPPING_ERR,
IWPM_NLA_RMANAGE_MAPPING_MAX
};
#define IWPM_NLA_MANAGE_MAPPING_MAX 3
#define IWPM_NLA_QUERY_MAPPING_MAX 4
#define IWPM_NLA_MAPINFO_SEND_MAX 3
enum {
IWPM_NLA_QUERY_MAPPING_UNSPEC = 0,
IWPM_NLA_QUERY_MAPPING_SEQ,
IWPM_NLA_QUERY_LOCAL_ADDR,
IWPM_NLA_QUERY_REMOTE_ADDR,
IWPM_NLA_RQUERY_MAPPED_LOC_ADDR,
IWPM_NLA_RQUERY_MAPPED_REM_ADDR,
IWPM_NLA_RQUERY_MAPPING_ERR,
IWPM_NLA_RQUERY_MAPPING_MAX
};
enum {
IWPM_NLA_MAPINFO_REQ_UNSPEC = 0,
IWPM_NLA_MAPINFO_ULIB_NAME,
IWPM_NLA_MAPINFO_ULIB_VER,
IWPM_NLA_MAPINFO_REQ_MAX
};
enum {
IWPM_NLA_MAPINFO_UNSPEC = 0,
IWPM_NLA_MAPINFO_LOCAL_ADDR,
IWPM_NLA_MAPINFO_MAPPED_ADDR,
IWPM_NLA_MAPINFO_MAX
};
enum {
IWPM_NLA_MAPINFO_NUM_UNSPEC = 0,
IWPM_NLA_MAPINFO_SEQ,
IWPM_NLA_MAPINFO_SEND_NUM,
IWPM_NLA_MAPINFO_ACK_NUM,
IWPM_NLA_MAPINFO_NUM_MAX
};
enum {
IWPM_NLA_ERR_UNSPEC = 0,
IWPM_NLA_ERR_SEQ,
IWPM_NLA_ERR_CODE,
IWPM_NLA_ERR_MAX
};
/*
* Local service operations:
* RESOLVE - The client requests the local service to resolve a path.
* SET_TIMEOUT - The local service requests the client to set the timeout.
*/
enum {
RDMA_NL_LS_OP_RESOLVE = 0,
RDMA_NL_LS_OP_SET_TIMEOUT,
RDMA_NL_LS_NUM_OPS
};
/* Local service netlink message flags */
#define RDMA_NL_LS_F_ERR 0x0100 /* Failed response */
/*
* Local service resolve operation family header.
* The layout for the resolve operation:
* nlmsg header
* family header
* attributes
*/
/*
* Local service path use:
* Specify how the path(s) will be used.
* ALL - For connected CM operation (6 pathrecords)
* UNIDIRECTIONAL - For unidirectional UD (1 pathrecord)
* GMP - For miscellaneous GMP like operation (at least 1 reversible
* pathrecord)
*/
enum {
LS_RESOLVE_PATH_USE_ALL = 0,
LS_RESOLVE_PATH_USE_UNIDIRECTIONAL,
LS_RESOLVE_PATH_USE_GMP,
LS_RESOLVE_PATH_USE_MAX
};
#define LS_DEVICE_NAME_MAX 64
struct rdma_ls_resolve_header {
__u8 device_name[LS_DEVICE_NAME_MAX];
__u8 port_num;
__u8 path_use;
};
/* Local service attribute type */
#define RDMA_NLA_F_MANDATORY (1 << 13)
#define RDMA_NLA_TYPE_MASK (~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
RDMA_NLA_F_MANDATORY))
/*
* Local service attributes:
* Attr Name Size Byte order
* -----------------------------------------------------
* PATH_RECORD struct ib_path_rec_data
* TIMEOUT u32 cpu
* SERVICE_ID u64 cpu
* DGID u8[16] BE
* SGID u8[16] BE
* TCLASS u8
* PKEY u16 cpu
* QOS_CLASS u16 cpu
*/
enum {
LS_NLA_TYPE_UNSPEC = 0,
LS_NLA_TYPE_PATH_RECORD,
LS_NLA_TYPE_TIMEOUT,
LS_NLA_TYPE_SERVICE_ID,
LS_NLA_TYPE_DGID,
LS_NLA_TYPE_SGID,
LS_NLA_TYPE_TCLASS,
LS_NLA_TYPE_PKEY,
LS_NLA_TYPE_QOS_CLASS,
LS_NLA_TYPE_MAX
};
/* Local service DGID/SGID attribute: big endian */
struct rdma_nla_ls_gid {
__u8 gid[16];
};
#endif /* _RDMA_NETLINK_H */

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/*
* Copyright (c) 2005-2006 Intel Corporation. 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 RDMA_USER_CM_H
#define RDMA_USER_CM_H
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/in6.h>
#include <rdma/ib_user_verbs.h>
#include <rdma/ib_user_sa.h>
#define RDMA_USER_CM_ABI_VERSION 4
#define RDMA_MAX_PRIVATE_DATA 256
enum {
RDMA_USER_CM_CMD_CREATE_ID,
RDMA_USER_CM_CMD_DESTROY_ID,
RDMA_USER_CM_CMD_BIND_IP,
RDMA_USER_CM_CMD_RESOLVE_IP,
RDMA_USER_CM_CMD_RESOLVE_ROUTE,
RDMA_USER_CM_CMD_QUERY_ROUTE,
RDMA_USER_CM_CMD_CONNECT,
RDMA_USER_CM_CMD_LISTEN,
RDMA_USER_CM_CMD_ACCEPT,
RDMA_USER_CM_CMD_REJECT,
RDMA_USER_CM_CMD_DISCONNECT,
RDMA_USER_CM_CMD_INIT_QP_ATTR,
RDMA_USER_CM_CMD_GET_EVENT,
RDMA_USER_CM_CMD_GET_OPTION,
RDMA_USER_CM_CMD_SET_OPTION,
RDMA_USER_CM_CMD_NOTIFY,
RDMA_USER_CM_CMD_JOIN_IP_MCAST,
RDMA_USER_CM_CMD_LEAVE_MCAST,
RDMA_USER_CM_CMD_MIGRATE_ID,
RDMA_USER_CM_CMD_QUERY,
RDMA_USER_CM_CMD_BIND,
RDMA_USER_CM_CMD_RESOLVE_ADDR,
RDMA_USER_CM_CMD_JOIN_MCAST
};
/*
* command ABI structures.
*/
struct rdma_ucm_cmd_hdr {
__u32 cmd;
__u16 in;
__u16 out;
};
struct rdma_ucm_create_id {
__u64 uid;
__u64 response;
__u16 ps;
__u8 qp_type;
__u8 reserved[5];
};
struct rdma_ucm_create_id_resp {
__u32 id;
};
struct rdma_ucm_destroy_id {
__u64 response;
__u32 id;
__u32 reserved;
};
struct rdma_ucm_destroy_id_resp {
__u32 events_reported;
};
struct rdma_ucm_bind_ip {
__u64 response;
struct sockaddr_in6 addr;
__u32 id;
};
struct rdma_ucm_bind {
__u32 id;
__u16 addr_size;
__u16 reserved;
struct sockaddr_storage addr;
};
struct rdma_ucm_resolve_ip {
struct sockaddr_in6 src_addr;
struct sockaddr_in6 dst_addr;
__u32 id;
__u32 timeout_ms;
};
struct rdma_ucm_resolve_addr {
__u32 id;
__u32 timeout_ms;
__u16 src_size;
__u16 dst_size;
__u32 reserved;
struct sockaddr_storage src_addr;
struct sockaddr_storage dst_addr;
};
struct rdma_ucm_resolve_route {
__u32 id;
__u32 timeout_ms;
};
enum {
RDMA_USER_CM_QUERY_ADDR,
RDMA_USER_CM_QUERY_PATH,
RDMA_USER_CM_QUERY_GID
};
struct rdma_ucm_query {
__u64 response;
__u32 id;
__u32 option;
};
struct rdma_ucm_query_route_resp {
__u64 node_guid;
struct ib_user_path_rec ib_route[2];
struct sockaddr_in6 src_addr;
struct sockaddr_in6 dst_addr;
__u32 num_paths;
__u8 port_num;
__u8 reserved[3];
};
struct rdma_ucm_query_addr_resp {
__u64 node_guid;
__u8 port_num;
__u8 reserved;
__u16 pkey;
__u16 src_size;
__u16 dst_size;
struct sockaddr_storage src_addr;
struct sockaddr_storage dst_addr;
};
struct rdma_ucm_query_path_resp {
__u32 num_paths;
__u32 reserved;
struct ib_path_rec_data path_data[0];
};
struct rdma_ucm_conn_param {
__u32 qp_num;
__u32 qkey;
__u8 private_data[RDMA_MAX_PRIVATE_DATA];
__u8 private_data_len;
__u8 srq;
__u8 responder_resources;
__u8 initiator_depth;
__u8 flow_control;
__u8 retry_count;
__u8 rnr_retry_count;
__u8 valid;
};
struct rdma_ucm_ud_param {
__u32 qp_num;
__u32 qkey;
struct ib_uverbs_ah_attr ah_attr;
__u8 private_data[RDMA_MAX_PRIVATE_DATA];
__u8 private_data_len;
__u8 reserved[7];
};
struct rdma_ucm_connect {
struct rdma_ucm_conn_param conn_param;
__u32 id;
__u32 reserved;
};
struct rdma_ucm_listen {
__u32 id;
__u32 backlog;
};
struct rdma_ucm_accept {
__u64 uid;
struct rdma_ucm_conn_param conn_param;
__u32 id;
__u32 reserved;
};
struct rdma_ucm_reject {
__u32 id;
__u8 private_data_len;
__u8 reserved[3];
__u8 private_data[RDMA_MAX_PRIVATE_DATA];
};
struct rdma_ucm_disconnect {
__u32 id;
};
struct rdma_ucm_init_qp_attr {
__u64 response;
__u32 id;
__u32 qp_state;
};
struct rdma_ucm_notify {
__u32 id;
__u32 event;
};
struct rdma_ucm_join_ip_mcast {
__u64 response; /* rdma_ucm_create_id_resp */
__u64 uid;
struct sockaddr_in6 addr;
__u32 id;
};
struct rdma_ucm_join_mcast {
__u64 response; /* rdma_ucma_create_id_resp */
__u64 uid;
__u32 id;
__u16 addr_size;
__u16 reserved;
struct sockaddr_storage addr;
};
struct rdma_ucm_get_event {
__u64 response;
};
struct rdma_ucm_event_resp {
__u64 uid;
__u32 id;
__u32 event;
__u32 status;
union {
struct rdma_ucm_conn_param conn;
struct rdma_ucm_ud_param ud;
} param;
};
/* Option levels */
enum {
RDMA_OPTION_ID = 0,
RDMA_OPTION_IB = 1
};
/* Option details */
enum {
RDMA_OPTION_ID_TOS = 0,
RDMA_OPTION_ID_REUSEADDR = 1,
RDMA_OPTION_ID_AFONLY = 2,
RDMA_OPTION_IB_PATH = 1
};
struct rdma_ucm_set_option {
__u64 optval;
__u32 id;
__u32 level;
__u32 optname;
__u32 optlen;
};
struct rdma_ucm_migrate_id {
__u64 response;
__u32 id;
__u32 fd;
};
struct rdma_ucm_migrate_resp {
__u32 events_reported;
};
#endif /* RDMA_USER_CM_H */