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linux/include/uapi/rdma/ib_user_verbs.h
Jason Gunthorpe 26e990badd RDMA: Check attr_mask during modify_qp 
Each driver should check that it can support the provided attr_mask during
modify_qp. IB_USER_VERBS_EX_CMD_MODIFY_QP was being used to block
modify_qp_ex because the driver didn't check RATE_LIMIT.

Link: https://lore.kernel.org/r/6-v1-caa70ba3d1ab+1436e-ucmd_mask_jgg@nvidia.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-10-26 19:27:58 -03:00

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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
/*
* 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_uverbs_write_cmds {
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,
IB_USER_VERBS_EX_CMD_MODIFY_CQ
};
/*
* 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 {
__aligned_u64 element;
__u32 event_type; /* enum ib_event_type */
__u32 reserved;
};
struct ib_uverbs_comp_event_desc {
__aligned_u64 cq_handle;
};
struct ib_uverbs_cq_moderation_caps {
__u16 max_cq_moderation_count;
__u16 max_cq_moderation_period;
__u32 reserved;
};
/*
* 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_FLAG_EXTENDED 0x80000000u
struct ib_uverbs_cmd_hdr {
__u32 command;
__u16 in_words;
__u16 out_words;
};
struct ib_uverbs_ex_cmd_hdr {
__aligned_u64 response;
__u16 provider_in_words;
__u16 provider_out_words;
__u32 cmd_hdr_reserved;
};
struct ib_uverbs_get_context {
__aligned_u64 response;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_get_context_resp {
__u32 async_fd;
__u32 num_comp_vectors;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_query_device {
__aligned_u64 response;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_query_device_resp {
__aligned_u64 fw_ver;
__be64 node_guid;
__be64 sys_image_guid;
__aligned_u64 max_mr_size;
__aligned_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 {
__aligned_u64 general_caps;
struct {
__u32 rc_odp_caps;
__u32 uc_odp_caps;
__u32 ud_odp_caps;
} per_transport_caps;
__u32 reserved;
};
struct ib_uverbs_rss_caps {
/* Corresponding bit will be set if qp type from
* 'enum ib_qp_type' is supported, e.g.
* supported_qpts |= 1 << IB_QPT_UD
*/
__u32 supported_qpts;
__u32 max_rwq_indirection_tables;
__u32 max_rwq_indirection_table_size;
__u32 reserved;
};
struct ib_uverbs_tm_caps {
/* Max size of rendezvous request message */
__u32 max_rndv_hdr_size;
/* Max number of entries in tag matching list */
__u32 max_num_tags;
/* TM flags */
__u32 flags;
/* Max number of outstanding list operations */
__u32 max_ops;
/* Max number of SGE in tag matching entry */
__u32 max_sge;
__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;
__aligned_u64 timestamp_mask;
__aligned_u64 hca_core_clock; /* in KHZ */
__aligned_u64 device_cap_flags_ex;
struct ib_uverbs_rss_caps rss_caps;
__u32 max_wq_type_rq;
__u32 raw_packet_caps;
struct ib_uverbs_tm_caps tm_caps;
struct ib_uverbs_cq_moderation_caps cq_moderation_caps;
__aligned_u64 max_dm_size;
__u32 xrc_odp_caps;
__u32 reserved;
};
struct ib_uverbs_query_port {
__aligned_u64 response;
__u8 port_num;
__u8 reserved[7];
__aligned_u64 driver_data[0];
};
struct ib_uverbs_query_port_resp {
__u32 port_cap_flags; /* see ib_uverbs_query_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 flags; /* see ib_uverbs_query_port_flags */
__u8 reserved;
};
struct ib_uverbs_alloc_pd {
__aligned_u64 response;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_alloc_pd_resp {
__u32 pd_handle;
__u32 driver_data[0];
};
struct ib_uverbs_dealloc_pd {
__u32 pd_handle;
};
struct ib_uverbs_open_xrcd {
__aligned_u64 response;
__u32 fd;
__u32 oflags;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_open_xrcd_resp {
__u32 xrcd_handle;
__u32 driver_data[0];
};
struct ib_uverbs_close_xrcd {
__u32 xrcd_handle;
};
struct ib_uverbs_reg_mr {
__aligned_u64 response;
__aligned_u64 start;
__aligned_u64 length;
__aligned_u64 hca_va;
__u32 pd_handle;
__u32 access_flags;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_reg_mr_resp {
__u32 mr_handle;
__u32 lkey;
__u32 rkey;
__u32 driver_data[0];
};
struct ib_uverbs_rereg_mr {
__aligned_u64 response;
__u32 mr_handle;
__u32 flags;
__aligned_u64 start;
__aligned_u64 length;
__aligned_u64 hca_va;
__u32 pd_handle;
__u32 access_flags;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_rereg_mr_resp {
__u32 lkey;
__u32 rkey;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_dereg_mr {
__u32 mr_handle;
};
struct ib_uverbs_alloc_mw {
__aligned_u64 response;
__u32 pd_handle;
__u8 mw_type;
__u8 reserved[3];
__aligned_u64 driver_data[0];
};
struct ib_uverbs_alloc_mw_resp {
__u32 mw_handle;
__u32 rkey;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_dealloc_mw {
__u32 mw_handle;
};
struct ib_uverbs_create_comp_channel {
__aligned_u64 response;
};
struct ib_uverbs_create_comp_channel_resp {
__u32 fd;
};
struct ib_uverbs_create_cq {
__aligned_u64 response;
__aligned_u64 user_handle;
__u32 cqe;
__u32 comp_vector;
__s32 comp_channel;
__u32 reserved;
__aligned_u64 driver_data[0];
};
enum ib_uverbs_ex_create_cq_flags {
IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0,
IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1,
};
struct ib_uverbs_ex_create_cq {
__aligned_u64 user_handle;
__u32 cqe;
__u32 comp_vector;
__s32 comp_channel;
__u32 comp_mask;
__u32 flags; /* bitmask of ib_uverbs_ex_create_cq_flags */
__u32 reserved;
};
struct ib_uverbs_create_cq_resp {
__u32 cq_handle;
__u32 cqe;
__aligned_u64 driver_data[0];
};
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 {
__aligned_u64 response;
__u32 cq_handle;
__u32 cqe;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_resize_cq_resp {
__u32 cqe;
__u32 reserved;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_poll_cq {
__aligned_u64 response;
__u32 cq_handle;
__u32 ne;
};
enum ib_uverbs_wc_opcode {
IB_UVERBS_WC_SEND = 0,
IB_UVERBS_WC_RDMA_WRITE = 1,
IB_UVERBS_WC_RDMA_READ = 2,
IB_UVERBS_WC_COMP_SWAP = 3,
IB_UVERBS_WC_FETCH_ADD = 4,
IB_UVERBS_WC_BIND_MW = 5,
IB_UVERBS_WC_LOCAL_INV = 6,
IB_UVERBS_WC_TSO = 7,
};
struct ib_uverbs_wc {
__aligned_u64 wr_id;
__u32 status;
__u32 opcode;
__u32 vendor_err;
__u32 byte_len;
union {
__be32 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 {
__aligned_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 {
__aligned_u64 response;
__aligned_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;
__aligned_u64 driver_data[0];
};
enum ib_uverbs_create_qp_mask {
IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0,
};
enum {
IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE,
};
struct ib_uverbs_ex_create_qp {
__aligned_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;
__u32 rwq_ind_tbl_handle;
__u32 source_qpn;
};
struct ib_uverbs_open_qp {
__aligned_u64 response;
__aligned_u64 user_handle;
__u32 pd_handle;
__u32 qpn;
__u8 qp_type;
__u8 reserved[7];
__aligned_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;
__u32 driver_data[0];
};
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 {
__aligned_u64 response;
__u32 qp_handle;
__u32 attr_mask;
__aligned_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];
__aligned_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];
__aligned_u64 driver_data[0];
};
struct ib_uverbs_ex_modify_qp {
struct ib_uverbs_modify_qp base;
__u32 rate_limit;
__u32 reserved;
};
struct ib_uverbs_ex_modify_qp_resp {
__u32 comp_mask;
__u32 response_length;
};
struct ib_uverbs_destroy_qp {
__aligned_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 {
__aligned_u64 addr;
__u32 length;
__u32 lkey;
};
enum ib_uverbs_wr_opcode {
IB_UVERBS_WR_RDMA_WRITE = 0,
IB_UVERBS_WR_RDMA_WRITE_WITH_IMM = 1,
IB_UVERBS_WR_SEND = 2,
IB_UVERBS_WR_SEND_WITH_IMM = 3,
IB_UVERBS_WR_RDMA_READ = 4,
IB_UVERBS_WR_ATOMIC_CMP_AND_SWP = 5,
IB_UVERBS_WR_ATOMIC_FETCH_AND_ADD = 6,
IB_UVERBS_WR_LOCAL_INV = 7,
IB_UVERBS_WR_BIND_MW = 8,
IB_UVERBS_WR_SEND_WITH_INV = 9,
IB_UVERBS_WR_TSO = 10,
IB_UVERBS_WR_RDMA_READ_WITH_INV = 11,
IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP = 12,
IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD = 13,
/* Review enum ib_wr_opcode before modifying this */
};
struct ib_uverbs_send_wr {
__aligned_u64 wr_id;
__u32 num_sge;
__u32 opcode; /* see enum ib_uverbs_wr_opcode */
__u32 send_flags;
union {
__be32 imm_data;
__u32 invalidate_rkey;
} ex;
union {
struct {
__aligned_u64 remote_addr;
__u32 rkey;
__u32 reserved;
} rdma;
struct {
__aligned_u64 remote_addr;
__aligned_u64 compare_add;
__aligned_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 {
__aligned_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 {
__aligned_u64 wr_id;
__u32 num_sge;
__u32 reserved;
};
struct ib_uverbs_post_recv {
__aligned_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 {
__aligned_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 {
__aligned_u64 response;
__aligned_u64 user_handle;
__u32 pd_handle;
__u32 reserved;
struct ib_uverbs_ah_attr attr;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_create_ah_resp {
__u32 ah_handle;
__u32 driver_data[0];
};
struct ib_uverbs_destroy_ah {
__u32 ah_handle;
};
struct ib_uverbs_attach_mcast {
__u8 gid[16];
__u32 qp_handle;
__u16 mlid;
__u16 reserved;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_detach_mcast {
__u8 gid[16];
__u32 qp_handle;
__u16 mlid;
__u16 reserved;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_flow_spec_hdr {
__u32 type;
__u16 size;
__u16 reserved;
/* followed by flow_spec */
__aligned_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;
__u8 proto;
__u8 tos;
__u8 ttl;
__u8 flags;
};
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_ipv6_filter {
__u8 src_ip[16];
__u8 dst_ip[16];
__be32 flow_label;
__u8 next_hdr;
__u8 traffic_class;
__u8 hop_limit;
__u8 reserved;
};
struct ib_uverbs_flow_spec_ipv6 {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_ipv6_filter val;
struct ib_uverbs_flow_ipv6_filter mask;
};
struct ib_uverbs_flow_spec_action_tag {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
__u32 tag_id;
__u32 reserved1;
};
struct ib_uverbs_flow_spec_action_drop {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
};
struct ib_uverbs_flow_spec_action_handle {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
__u32 handle;
__u32 reserved1;
};
struct ib_uverbs_flow_spec_action_count {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
__u32 handle;
__u32 reserved1;
};
struct ib_uverbs_flow_tunnel_filter {
__be32 tunnel_id;
};
struct ib_uverbs_flow_spec_tunnel {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_tunnel_filter val;
struct ib_uverbs_flow_tunnel_filter mask;
};
struct ib_uverbs_flow_spec_esp_filter {
__u32 spi;
__u32 seq;
};
struct ib_uverbs_flow_spec_esp {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_spec_esp_filter val;
struct ib_uverbs_flow_spec_esp_filter mask;
};
struct ib_uverbs_flow_gre_filter {
/* c_ks_res0_ver field is bits 0-15 in offset 0 of a standard GRE header:
* bit 0 - C - checksum bit.
* bit 1 - reserved. set to 0.
* bit 2 - key bit.
* bit 3 - sequence number bit.
* bits 4:12 - reserved. set to 0.
* bits 13:15 - GRE version.
*/
__be16 c_ks_res0_ver;
__be16 protocol;
__be32 key;
};
struct ib_uverbs_flow_spec_gre {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_gre_filter val;
struct ib_uverbs_flow_gre_filter mask;
};
struct ib_uverbs_flow_mpls_filter {
/* The field includes the entire MPLS label:
* bits 0:19 - label field.
* bits 20:22 - traffic class field.
* bits 23 - bottom of stack bit.
* bits 24:31 - ttl field.
*/
__be32 label;
};
struct ib_uverbs_flow_spec_mpls {
union {
struct ib_uverbs_flow_spec_hdr hdr;
struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_mpls_filter val;
struct ib_uverbs_flow_mpls_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 {
__aligned_u64 response;
__aligned_u64 user_handle;
__u32 pd_handle;
__u32 max_wr;
__u32 max_sge;
__u32 srq_limit;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_create_xsrq {
__aligned_u64 response;
__aligned_u64 user_handle;
__u32 srq_type;
__u32 pd_handle;
__u32 max_wr;
__u32 max_sge;
__u32 srq_limit;
__u32 max_num_tags;
__u32 xrcd_handle;
__u32 cq_handle;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_create_srq_resp {
__u32 srq_handle;
__u32 max_wr;
__u32 max_sge;
__u32 srqn;
__u32 driver_data[0];
};
struct ib_uverbs_modify_srq {
__u32 srq_handle;
__u32 attr_mask;
__u32 max_wr;
__u32 srq_limit;
__aligned_u64 driver_data[0];
};
struct ib_uverbs_query_srq {
__aligned_u64 response;
__u32 srq_handle;
__u32 reserved;
__aligned_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 {
__aligned_u64 response;
__u32 srq_handle;
__u32 reserved;
};
struct ib_uverbs_destroy_srq_resp {
__u32 events_reported;
};
struct ib_uverbs_ex_create_wq {
__u32 comp_mask;
__u32 wq_type;
__aligned_u64 user_handle;
__u32 pd_handle;
__u32 cq_handle;
__u32 max_wr;
__u32 max_sge;
__u32 create_flags; /* Use enum ib_wq_flags */
__u32 reserved;
};
struct ib_uverbs_ex_create_wq_resp {
__u32 comp_mask;
__u32 response_length;
__u32 wq_handle;
__u32 max_wr;
__u32 max_sge;
__u32 wqn;
};
struct ib_uverbs_ex_destroy_wq {
__u32 comp_mask;
__u32 wq_handle;
};
struct ib_uverbs_ex_destroy_wq_resp {
__u32 comp_mask;
__u32 response_length;
__u32 events_reported;
__u32 reserved;
};
struct ib_uverbs_ex_modify_wq {
__u32 attr_mask;
__u32 wq_handle;
__u32 wq_state;
__u32 curr_wq_state;
__u32 flags; /* Use enum ib_wq_flags */
__u32 flags_mask; /* Use enum ib_wq_flags */
};
/* Prevent memory allocation rather than max expected size */
#define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d
struct ib_uverbs_ex_create_rwq_ind_table {
__u32 comp_mask;
__u32 log_ind_tbl_size;
/* Following are the wq handles according to log_ind_tbl_size
* wq_handle1
* wq_handle2
*/
__u32 wq_handles[0];
};
struct ib_uverbs_ex_create_rwq_ind_table_resp {
__u32 comp_mask;
__u32 response_length;
__u32 ind_tbl_handle;
__u32 ind_tbl_num;
};
struct ib_uverbs_ex_destroy_rwq_ind_table {
__u32 comp_mask;
__u32 ind_tbl_handle;
};
struct ib_uverbs_cq_moderation {
__u16 cq_count;
__u16 cq_period;
};
struct ib_uverbs_ex_modify_cq {
__u32 cq_handle;
__u32 attr_mask;
struct ib_uverbs_cq_moderation attr;
__u32 reserved;
};
#define IB_DEVICE_NAME_MAX 64
#endif /* IB_USER_VERBS_H */
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