LXR linux/include/uapi/rdma/irdma-abi.h

   1/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB */
   2/*
   3 * Copyright (c) 2006 - 2021 Intel Corporation.  All rights reserved.
   4 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
   5 * Copyright (c) 2005 Cisco Systems.  All rights reserved.
   6 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
   7 */
   8
   9#ifndef IRDMA_ABI_H
  10#define IRDMA_ABI_H
  11
  12#include <linux/types.h>
  13
  14/* irdma must support legacy GEN_1 i40iw kernel
  15 * and user-space whose last ABI ver is 5
  16 */
  17#define IRDMA_ABI_VER 5
  18
  19enum irdma_memreg_type {
  20        IRDMA_MEMREG_TYPE_MEM  = 0,
  21        IRDMA_MEMREG_TYPE_QP   = 1,
  22        IRDMA_MEMREG_TYPE_CQ   = 2,
  23};
  24
  25struct irdma_alloc_ucontext_req {
  26        __u32 rsvd32;
  27        __u8 userspace_ver;
  28        __u8 rsvd8[3];
  29};
  30
  31struct irdma_alloc_ucontext_resp {
  32        __u32 max_pds;
  33        __u32 max_qps;
  34        __u32 wq_size; /* size of the WQs (SQ+RQ) in the mmaped area */
  35        __u8 kernel_ver;
  36        __u8 rsvd[3];
  37        __aligned_u64 feature_flags;
  38        __aligned_u64 db_mmap_key;
  39        __u32 max_hw_wq_frags;
  40        __u32 max_hw_read_sges;
  41        __u32 max_hw_inline;
  42        __u32 max_hw_rq_quanta;
  43        __u32 max_hw_wq_quanta;
  44        __u32 min_hw_cq_size;
  45        __u32 max_hw_cq_size;
  46        __u16 max_hw_sq_chunk;
  47        __u8 hw_rev;
  48        __u8 rsvd2;
  49};
  50
  51struct irdma_alloc_pd_resp {
  52        __u32 pd_id;
  53        __u8 rsvd[4];
  54};
  55
  56struct irdma_resize_cq_req {
  57        __aligned_u64 user_cq_buffer;
  58};
  59
  60struct irdma_create_cq_req {
  61        __aligned_u64 user_cq_buf;
  62        __aligned_u64 user_shadow_area;
  63};
  64
  65struct irdma_create_qp_req {
  66        __aligned_u64 user_wqe_bufs;
  67        __aligned_u64 user_compl_ctx;
  68};
  69
  70struct irdma_mem_reg_req {
  71        __u16 reg_type; /* enum irdma_memreg_type */
  72        __u16 cq_pages;
  73        __u16 rq_pages;
  74        __u16 sq_pages;
  75};
  76
  77struct irdma_modify_qp_req {
  78        __u8 sq_flush;
  79        __u8 rq_flush;
  80        __u8 rsvd[6];
  81};
  82
  83struct irdma_create_cq_resp {
  84        __u32 cq_id;
  85        __u32 cq_size;
  86};
  87
  88struct irdma_create_qp_resp {
  89        __u32 qp_id;
  90        __u32 actual_sq_size;
  91        __u32 actual_rq_size;
  92        __u32 irdma_drv_opt;
  93        __u16 push_idx;
  94        __u8 lsmm;
  95        __u8 rsvd;
  96        __u32 qp_caps;
  97};
  98
  99struct irdma_modify_qp_resp {
 100        __aligned_u64 push_wqe_mmap_key;
 101        __aligned_u64 push_db_mmap_key;
 102        __u16 push_offset;
 103        __u8 push_valid;
 104        __u8 rsvd[5];
 105};
 106
 107struct irdma_create_ah_resp {
 108        __u32 ah_id;
 109        __u8 rsvd[4];
 110};
 111#endif /* IRDMA_ABI_H */
 112