[linux-block.git] / include / rdma / ib_user_verbs.h

/*
 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
 * Copyright (c) 2005 Cisco Systems.  All rights reserved.
 * Copyright (c) 2005 PathScale, 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.
 *
 * $Id: ib_user_verbs.h 2708 2005-06-24 17:27:21Z roland $
 */

#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	3

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_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_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;
};

/*
 * 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_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_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_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;
};

struct ib_uverbs_modify_srq {
	__u32 srq_handle;
	__u32 attr_mask;
	__u32 max_wr;
	__u32 max_sge;
	__u32 srq_limit;
	__u32 reserved;
	__u64 driver_data[0];
};

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 */
Commit	Line	Data
8a96b3f9 RD	1	/*
	2	* Copyright (c) 2005 Topspin Communications. All rights reserved.
	3	* Copyright (c) 2005 Cisco Systems. All rights reserved.
91ecd4ae	4	* Copyright (c) 2005 PathScale, Inc. All rights reserved.
8a96b3f9 RD	5	*
	6	* This software is available to you under a choice of one of two
	7	* licenses. You may choose to be licensed under the terms of the GNU
	8	* General Public License (GPL) Version 2, available from the file
	9	* COPYING in the main directory of this source tree, or the
	10	* OpenIB.org BSD license below:
	11	*
	12	* Redistribution and use in source and binary forms, with or
	13	* without modification, are permitted provided that the following
	14	* conditions are met:
	15	*
	16	* - Redistributions of source code must retain the above
	17	* copyright notice, this list of conditions and the following
	18	* disclaimer.
	19	*
	20	* - Redistributions in binary form must reproduce the above
	21	* copyright notice, this list of conditions and the following
	22	* disclaimer in the documentation and/or other materials
	23	* provided with the distribution.
	24	*
	25	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	26	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	27	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	28	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	29	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	30	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	31	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	32	* SOFTWARE.
	33	*
	34	* $Id: ib_user_verbs.h 2708 2005-06-24 17:27:21Z roland $
	35	*/
	36
	37	#ifndef IB_USER_VERBS_H
	38	#define IB_USER_VERBS_H
	39
	40	#include <linux/types.h>
	41
	42	/*
	43	* Increment this value if any changes that break userspace ABI
	44	* compatibility are made.
	45	*/
6b73597e	46	#define IB_USER_VERBS_ABI_VERSION 3
8a96b3f9 RD	47
8a96b3f9 RD	48	enum {
8a96b3f9 RD	49	IB_USER_VERBS_CMD_GET_CONTEXT,
	50	IB_USER_VERBS_CMD_QUERY_DEVICE,
	51	IB_USER_VERBS_CMD_QUERY_PORT,
8a96b3f9 RD	52	IB_USER_VERBS_CMD_ALLOC_PD,
	53	IB_USER_VERBS_CMD_DEALLOC_PD,
	54	IB_USER_VERBS_CMD_CREATE_AH,
	55	IB_USER_VERBS_CMD_MODIFY_AH,
	56	IB_USER_VERBS_CMD_QUERY_AH,
	57	IB_USER_VERBS_CMD_DESTROY_AH,
	58	IB_USER_VERBS_CMD_REG_MR,
	59	IB_USER_VERBS_CMD_REG_SMR,
	60	IB_USER_VERBS_CMD_REREG_MR,
	61	IB_USER_VERBS_CMD_QUERY_MR,
	62	IB_USER_VERBS_CMD_DEREG_MR,
	63	IB_USER_VERBS_CMD_ALLOC_MW,
	64	IB_USER_VERBS_CMD_BIND_MW,
	65	IB_USER_VERBS_CMD_DEALLOC_MW,
6b73597e	66	IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
8a96b3f9 RD	67	IB_USER_VERBS_CMD_CREATE_CQ,
	68	IB_USER_VERBS_CMD_RESIZE_CQ,
	69	IB_USER_VERBS_CMD_DESTROY_CQ,
	70	IB_USER_VERBS_CMD_POLL_CQ,
	71	IB_USER_VERBS_CMD_PEEK_CQ,
	72	IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
	73	IB_USER_VERBS_CMD_CREATE_QP,
	74	IB_USER_VERBS_CMD_QUERY_QP,
	75	IB_USER_VERBS_CMD_MODIFY_QP,
	76	IB_USER_VERBS_CMD_DESTROY_QP,
	77	IB_USER_VERBS_CMD_POST_SEND,
	78	IB_USER_VERBS_CMD_POST_RECV,
	79	IB_USER_VERBS_CMD_ATTACH_MCAST,
f520ba5a RD	80	IB_USER_VERBS_CMD_DETACH_MCAST,
	81	IB_USER_VERBS_CMD_CREATE_SRQ,
	82	IB_USER_VERBS_CMD_MODIFY_SRQ,
	83	IB_USER_VERBS_CMD_QUERY_SRQ,
	84	IB_USER_VERBS_CMD_DESTROY_SRQ,
	85	IB_USER_VERBS_CMD_POST_SRQ_RECV
8a96b3f9 RD	86	};
	87
	88	/*
	89	* Make sure that all structs defined in this file remain laid out so
	90	* that they pack the same way on 32-bit and 64-bit architectures (to
	91	* avoid incompatibility between 32-bit userspace and 64-bit kernels).
91ecd4ae RD	92	* Specifically:
	93	* - Do not use pointer types -- pass pointers in __u64 instead.
	94	* - Make sure that any structure larger than 4 bytes is padded to a
	95	* multiple of 8 bytes. Otherwise the structure size will be
	96	* different between 32-bit and 64-bit architectures.
8a96b3f9 RD	97	*/
	98
	99	struct ib_uverbs_async_event_desc {
	100	__u64 element;
	101	__u32 event_type; /* enum ib_event_type */
	102	__u32 reserved;
	103	};
	104
	105	struct ib_uverbs_comp_event_desc {
	106	__u64 cq_handle;
	107	};
	108
	109	/*
	110	* All commands from userspace should start with a __u32 command field
	111	* followed by __u16 in_words and out_words fields (which give the
	112	* length of the command block and response buffer if any in 32-bit
	113	* words). The kernel driver will read these fields first and read
	114	* the rest of the command struct based on these value.
	115	*/
	116
	117	struct ib_uverbs_cmd_hdr {
	118	__u32 command;
	119	__u16 in_words;
	120	__u16 out_words;
	121	};
	122
8a96b3f9 RD	123	struct ib_uverbs_get_context {
8a96b3f9 RD	124	__u64 response;
8a96b3f9 RD	125	__u64 driver_data[0];
	126	};
	127
	128	struct ib_uverbs_get_context_resp {
	129	__u32 async_fd;
6b73597e	130	__u32 num_comp_vectors;
8a96b3f9 RD	131	};
	132
	133	struct ib_uverbs_query_device {
	134	__u64 response;
	135	__u64 driver_data[0];
	136	};
	137
	138	struct ib_uverbs_query_device_resp {
	139	__u64 fw_ver;
97f52eb4 SH	140	__be64 node_guid;
97f52eb4 SH	141	__be64 sys_image_guid;
8a96b3f9 RD	142	__u64 max_mr_size;
	143	__u64 page_size_cap;
	144	__u32 vendor_id;
	145	__u32 vendor_part_id;
	146	__u32 hw_ver;
	147	__u32 max_qp;
	148	__u32 max_qp_wr;
	149	__u32 device_cap_flags;
	150	__u32 max_sge;
	151	__u32 max_sge_rd;
	152	__u32 max_cq;
	153	__u32 max_cqe;
	154	__u32 max_mr;
	155	__u32 max_pd;
	156	__u32 max_qp_rd_atom;
	157	__u32 max_ee_rd_atom;
	158	__u32 max_res_rd_atom;
	159	__u32 max_qp_init_rd_atom;
	160	__u32 max_ee_init_rd_atom;
	161	__u32 atomic_cap;
	162	__u32 max_ee;
	163	__u32 max_rdd;
	164	__u32 max_mw;
	165	__u32 max_raw_ipv6_qp;
	166	__u32 max_raw_ethy_qp;
	167	__u32 max_mcast_grp;
	168	__u32 max_mcast_qp_attach;
	169	__u32 max_total_mcast_qp_attach;
	170	__u32 max_ah;
	171	__u32 max_fmr;
	172	__u32 max_map_per_fmr;
	173	__u32 max_srq;
	174	__u32 max_srq_wr;
	175	__u32 max_srq_sge;
	176	__u16 max_pkeys;
	177	__u8 local_ca_ack_delay;
	178	__u8 phys_port_cnt;
	179	__u8 reserved[4];
	180	};
	181
	182	struct ib_uverbs_query_port {
	183	__u64 response;
	184	__u8 port_num;
	185	__u8 reserved[7];
	186	__u64 driver_data[0];
	187	};
	188
	189	struct ib_uverbs_query_port_resp {
	190	__u32 port_cap_flags;
	191	__u32 max_msg_sz;
	192	__u32 bad_pkey_cntr;
	193	__u32 qkey_viol_cntr;
	194	__u32 gid_tbl_len;
	195	__u16 pkey_tbl_len;
	196	__u16 lid;
	197	__u16 sm_lid;
	198	__u8 state;
	199	__u8 max_mtu;
	200	__u8 active_mtu;
	201	__u8 lmc;
	202	__u8 max_vl_num;
	203	__u8 sm_sl;
	204	__u8 subnet_timeout;
	205	__u8 init_type_reply;
206	__u8 active_width;
207	__u8 active_speed;
208	__u8 phys_state;
209	__u8 reserved[3];
210	};
211
8a96b3f9 RD	212	struct ib_uverbs_alloc_pd {
	213	__u64 response;
	214	__u64 driver_data[0];
	215	};
	216
	217	struct ib_uverbs_alloc_pd_resp {
	218	__u32 pd_handle;
	219	};
	220
	221	struct ib_uverbs_dealloc_pd {
	222	__u32 pd_handle;
	223	};
	224
	225	struct ib_uverbs_reg_mr {
	226	__u64 response;
	227	__u64 start;
	228	__u64 length;
	229	__u64 hca_va;
	230	__u32 pd_handle;
	231	__u32 access_flags;
	232	__u64 driver_data[0];
	233	};
	234
	235	struct ib_uverbs_reg_mr_resp {
	236	__u32 mr_handle;
	237	__u32 lkey;
	238	__u32 rkey;
	239	};
	240
	241	struct ib_uverbs_dereg_mr {
	242	__u32 mr_handle;
	243	};
	244
6b73597e RD	245	struct ib_uverbs_create_comp_channel {
	246	__u64 response;
	247	};
	248
	249	struct ib_uverbs_create_comp_channel_resp {
	250	__u32 fd;
	251	};
	252
8a96b3f9 RD	253	struct ib_uverbs_create_cq {
	254	__u64 response;
	255	__u64 user_handle;
	256	__u32 cqe;
6b73597e RD	257	__u32 comp_vector;
	258	__s32 comp_channel;
	259	__u32 reserved;
8a96b3f9 RD	260	__u64 driver_data[0];
	261	};
	262
	263	struct ib_uverbs_create_cq_resp {
	264	__u32 cq_handle;
	265	__u32 cqe;
	266	};
	267
91ecd4ae RD	268	struct ib_uverbs_poll_cq {
	269	__u64 response;
	270	__u32 cq_handle;
	271	__u32 ne;
	272	};
	273
	274	struct ib_uverbs_wc {
	275	__u64 wr_id;
	276	__u32 status;
	277	__u32 opcode;
	278	__u32 vendor_err;
	279	__u32 byte_len;
	280	__u32 imm_data;
	281	__u32 qp_num;
	282	__u32 src_qp;
	283	__u32 wc_flags;
	284	__u16 pkey_index;
	285	__u16 slid;
	286	__u8 sl;
	287	__u8 dlid_path_bits;
	288	__u8 port_num;
	289	__u8 reserved;
	290	};
	291
	292	struct ib_uverbs_poll_cq_resp {
	293	__u32 count;
	294	__u32 reserved;
	295	struct ib_uverbs_wc wc[0];
	296	};
	297
	298	struct ib_uverbs_req_notify_cq {
	299	__u32 cq_handle;
	300	__u32 solicited_only;
	301	};
	302
8a96b3f9	303	struct ib_uverbs_destroy_cq {
63aaf647	304	__u64 response;
8a96b3f9	305	__u32 cq_handle;
63aaf647 RD	306	__u32 reserved;
	307	};
	308
	309	struct ib_uverbs_destroy_cq_resp {
	310	__u32 comp_events_reported;
	311	__u32 async_events_reported;
8a96b3f9 RD	312	};
	313
	314	struct ib_uverbs_create_qp {
	315	__u64 response;
	316	__u64 user_handle;
	317	__u32 pd_handle;
	318	__u32 send_cq_handle;
	319	__u32 recv_cq_handle;
	320	__u32 srq_handle;
	321	__u32 max_send_wr;
	322	__u32 max_recv_wr;
	323	__u32 max_send_sge;
	324	__u32 max_recv_sge;
	325	__u32 max_inline_data;
	326	__u8 sq_sig_all;
	327	__u8 qp_type;
	328	__u8 is_srq;
	329	__u8 reserved;
	330	__u64 driver_data[0];
	331	};
	332
	333	struct ib_uverbs_create_qp_resp {
	334	__u32 qp_handle;
	335	__u32 qpn;
	336	};
	337
	338	/*
	339	* This struct needs to remain a multiple of 8 bytes to keep the
	340	* alignment of the modify QP parameters.
	341	*/
	342	struct ib_uverbs_qp_dest {
	343	__u8 dgid[16];
	344	__u32 flow_label;
	345	__u16 dlid;
	346	__u16 reserved;
	347	__u8 sgid_index;
	348	__u8 hop_limit;
	349	__u8 traffic_class;
	350	__u8 sl;
	351	__u8 src_path_bits;
	352	__u8 static_rate;
	353	__u8 is_global;
	354	__u8 port_num;
	355	};
	356
	357	struct ib_uverbs_modify_qp {
	358	struct ib_uverbs_qp_dest dest;
	359	struct ib_uverbs_qp_dest alt_dest;
	360	__u32 qp_handle;
	361	__u32 attr_mask;
	362	__u32 qkey;
	363	__u32 rq_psn;
	364	__u32 sq_psn;
	365	__u32 dest_qp_num;
	366	__u32 qp_access_flags;
	367	__u16 pkey_index;
	368	__u16 alt_pkey_index;
	369	__u8 qp_state;
	370	__u8 cur_qp_state;
	371	__u8 path_mtu;
	372	__u8 path_mig_state;
	373	__u8 en_sqd_async_notify;
	374	__u8 max_rd_atomic;
	375	__u8 max_dest_rd_atomic;
376	__u8 min_rnr_timer;
377	__u8 port_num;
378	__u8 timeout;
379	__u8 retry_cnt;
380	__u8 rnr_retry;
381	__u8 alt_port_num;
382	__u8 alt_timeout;
383	__u8 reserved[2];
384	__u64 driver_data[0];
385	};
386
387	struct ib_uverbs_modify_qp_resp {
388	};
389
390	struct ib_uverbs_destroy_qp {
63aaf647	391	__u64 response;
8a96b3f9	392	__u32 qp_handle;
63aaf647 RD	393	__u32 reserved;
	394	};
	395
	396	struct ib_uverbs_destroy_qp_resp {
	397	__u32 events_reported;
8a96b3f9 RD	398	};
8a96b3f9 RD	399
91ecd4ae RD	400	/*
	401	* The ib_uverbs_sge structure isn't used anywhere, since we assume
	402	* the ib_sge structure is packed the same way on 32-bit and 64-bit
	403	* architectures in both kernel and user space. It's just here to
	404	* document the ABI.
	405	*/
	406	struct ib_uverbs_sge {
	407	__u64 addr;
	408	__u32 length;
	409	__u32 lkey;
	410	};
	411
	412	struct ib_uverbs_send_wr {
	413	__u64 wr_id;
	414	__u32 num_sge;
	415	__u32 opcode;
	416	__u32 send_flags;
	417	__u32 imm_data;
	418	union {
	419	struct {
	420	__u64 remote_addr;
	421	__u32 rkey;
	422	__u32 reserved;
	423	} rdma;
	424	struct {
	425	__u64 remote_addr;
	426	__u64 compare_add;
	427	__u64 swap;
	428	__u32 rkey;
	429	__u32 reserved;
	430	} atomic;
	431	struct {
	432	__u32 ah;
	433	__u32 remote_qpn;
	434	__u32 remote_qkey;
	435	__u32 reserved;
	436	} ud;
	437	} wr;
	438	};
	439
	440	struct ib_uverbs_post_send {
	441	__u64 response;
	442	__u32 qp_handle;
	443	__u32 wr_count;
	444	__u32 sge_count;
	445	__u32 wqe_size;
	446	struct ib_uverbs_send_wr send_wr[0];
	447	};
	448
	449	struct ib_uverbs_post_send_resp {
	450	__u32 bad_wr;
	451	};
	452
	453	struct ib_uverbs_recv_wr {
	454	__u64 wr_id;
	455	__u32 num_sge;
	456	__u32 reserved;
	457	};
	458
	459	struct ib_uverbs_post_recv {
	460	__u64 response;
	461	__u32 qp_handle;
	462	__u32 wr_count;
	463	__u32 sge_count;
464	__u32 wqe_size;
465	struct ib_uverbs_recv_wr recv_wr[0];
466	};
467
468	struct ib_uverbs_post_recv_resp {
469	__u32 bad_wr;
470	};
471
472	struct ib_uverbs_post_srq_recv {
473	__u64 response;
474	__u32 srq_handle;
475	__u32 wr_count;
476	__u32 sge_count;
477	__u32 wqe_size;
478	struct ib_uverbs_recv_wr recv[0];
479	};
480
481	struct ib_uverbs_post_srq_recv_resp {
482	__u32 bad_wr;
483	};
484
485	struct ib_uverbs_global_route {
486	__u8 dgid[16];
487	__u32 flow_label;
488	__u8 sgid_index;
489	__u8 hop_limit;
490	__u8 traffic_class;
491	__u8 reserved;
492	};
493
494	struct ib_uverbs_ah_attr {
495	struct ib_uverbs_global_route grh;
496	__u16 dlid;
497	__u8 sl;
498	__u8 src_path_bits;
499	__u8 static_rate;
500	__u8 is_global;
501	__u8 port_num;
502	__u8 reserved;
503	};
504
505	struct ib_uverbs_create_ah {
506	__u64 response;
507	__u64 user_handle;
508	__u32 pd_handle;
509	__u32 reserved;
510	struct ib_uverbs_ah_attr attr;
511	};
512
513	struct ib_uverbs_create_ah_resp {
514	__u32 ah_handle;
515	};
516
517	struct ib_uverbs_destroy_ah {
518	__u32 ah_handle;
519	};
520
8a96b3f9 RD	521	struct ib_uverbs_attach_mcast {
	522	__u8 gid[16];
	523	__u32 qp_handle;
	524	__u16 mlid;
	525	__u16 reserved;
	526	__u64 driver_data[0];
	527	};
	528
	529	struct ib_uverbs_detach_mcast {
	530	__u8 gid[16];
	531	__u32 qp_handle;
	532	__u16 mlid;
	533	__u16 reserved;
	534	__u64 driver_data[0];
	535	};
	536
f520ba5a RD	537	struct ib_uverbs_create_srq {
	538	__u64 response;
	539	__u64 user_handle;
	540	__u32 pd_handle;
	541	__u32 max_wr;
	542	__u32 max_sge;
	543	__u32 srq_limit;
	544	__u64 driver_data[0];
	545	};
	546
	547	struct ib_uverbs_create_srq_resp {
	548	__u32 srq_handle;
	549	};
	550
	551	struct ib_uverbs_modify_srq {
	552	__u32 srq_handle;
	553	__u32 attr_mask;
	554	__u32 max_wr;
	555	__u32 max_sge;
	556	__u32 srq_limit;
	557	__u32 reserved;
	558	__u64 driver_data[0];
	559	};
	560
	561	struct ib_uverbs_destroy_srq {
63aaf647	562	__u64 response;
f520ba5a	563	__u32 srq_handle;
63aaf647 RD	564	__u32 reserved;
	565	};
	566
	567	struct ib_uverbs_destroy_srq_resp {
	568	__u32 events_reported;
f520ba5a RD	569	};
f520ba5a RD	570
8a96b3f9	571	#endif /* IB_USER_VERBS_H */