mlx4: Port over Linux header files related to NIC kernel bypass
authorKanoj Sarcar' via Akaros <akaros@googlegroups.com>
Wed, 10 Feb 2016 23:31:00 +0000 (15:31 -0800)
committerBarret Rhoden <brho@cs.berkeley.edu>
Thu, 11 Feb 2016 18:38:13 +0000 (13:38 -0500)
Slight edits on top of Linux 4.1.15 header files for Akaros builds.

Signed-off-by: Kanoj Sarcar <kanoj@google.com>
[fixed a checkpatch warning]
Signed-off-by: Barret Rhoden <brho@cs.berkeley.edu>
kern/include/linux/rdma/ib_umem.h [new file with mode: 0644]
kern/include/linux/rdma/ib_user_verbs.h [new file with mode: 0644]

diff --git a/kern/include/linux/rdma/ib_umem.h b/kern/include/linux/rdma/ib_umem.h
new file mode 100644 (file)
index 0000000..f59f17c
--- /dev/null
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2007 Cisco Systems.  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_UMEM_H
+#define IB_UMEM_H
+
+#if 0  /* AKAROS */
+#include <linux/list.h>
+#include <linux/scatterlist.h>
+#include <linux/workqueue.h>
+#else  /* AKAROS */
+#define        CONFIG_INFINIBAND_USER_MEM      1
+#endif /* AKAROS */
+
+struct ib_ucontext;
+struct ib_umem_odp;
+
+struct ib_umem {
+       struct ib_ucontext     *context;
+       size_t                  length;
+       unsigned long           address;
+       int                     page_size;
+       int                     writable;
+       int                     hugetlb;
+       struct work_struct      work;
+       struct pid             *pid;
+       struct mm_struct       *mm;
+       unsigned long           diff;
+       struct ib_umem_odp     *odp_data;
+       struct sg_table sg_head;
+       int             nmap;
+       int             npages;
+};
+
+/* Returns the offset of the umem start relative to the first page. */
+static inline int ib_umem_offset(struct ib_umem *umem)
+{
+       return umem->address & ((unsigned long)umem->page_size - 1);
+}
+
+/* Returns the first page of an ODP umem. */
+static inline unsigned long ib_umem_start(struct ib_umem *umem)
+{
+       return umem->address - ib_umem_offset(umem);
+}
+
+/* Returns the address of the page after the last one of an ODP umem. */
+static inline unsigned long ib_umem_end(struct ib_umem *umem)
+{
+       return PAGE_ALIGN(umem->address + umem->length);
+}
+
+static inline size_t ib_umem_num_pages(struct ib_umem *umem)
+{
+       return (ib_umem_end(umem) - ib_umem_start(umem)) >> PAGE_SHIFT;
+}
+
+#ifdef CONFIG_INFINIBAND_USER_MEM
+
+struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
+                           size_t size, int access, int dmasync);
+void ib_umem_release(struct ib_umem *umem);
+int ib_umem_page_count(struct ib_umem *umem);
+int ib_umem_copy_from(void *dst, struct ib_umem *umem, size_t offset,
+                     size_t length);
+
+#else /* CONFIG_INFINIBAND_USER_MEM */
+
+#include <linux/err.h>
+
+static inline struct ib_umem *ib_umem_get(struct ib_ucontext *context,
+                                         unsigned long addr, size_t size,
+                                         int access, int dmasync) {
+       return ERR_PTR(-EINVAL);
+}
+static inline void ib_umem_release(struct ib_umem *umem) { }
+static inline int ib_umem_page_count(struct ib_umem *umem) { return 0; }
+static inline int ib_umem_copy_from(void *dst, struct ib_umem *umem,
+                                    size_t offset, size_t length)
+{
+       return -EINVAL;
+}
+#endif /* CONFIG_INFINIBAND_USER_MEM */
+
+#endif /* IB_UMEM_H */
diff --git a/kern/include/linux/rdma/ib_user_verbs.h b/kern/include/linux/rdma/ib_user_verbs.h
new file mode 100644 (file)
index 0000000..2a0fe54
--- /dev/null
@@ -0,0 +1,903 @@
+/*
+ * 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>     /* AKAROS */
+
+/*
+ * 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_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;
+};
+
+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_create_cq_resp {
+       __u32 cq_handle;
+       __u32 cqe;
+};
+
+struct ib_uverbs_resize_cq {
+       __u64 response;
+       __u32 cq_handle;
+       __u32 cqe;
+       __u64 driver_data[0];
+};
+
+struct ib_uverbs_resize_cq_resp {
+       __u32 cqe;
+       __u32 reserved;
+       __u64 driver_data[0];
+};
+
+struct ib_uverbs_poll_cq {
+       __u64 response;
+       __u32 cq_handle;
+       __u32 ne;
+};
+
+struct ib_uverbs_wc {
+       __u64 wr_id;
+       __u32 status;
+       __u32 opcode;
+       __u32 vendor_err;
+       __u32 byte_len;
+       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_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;
+};
+
+/*
+ * 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 */