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
  19 enum irdma_memreg_type {
  20         IRDMA_MEMREG_TYPE_MEM  = 0,
  21         IRDMA_MEMREG_TYPE_QP   = 1,
  22         IRDMA_MEMREG_TYPE_CQ   = 2,
  23 };
  24
  25 enum {
  26         IRDMA_ALLOC_UCTX_USE_RAW_ATTR = 1 << 0,
  27         IRDMA_ALLOC_UCTX_MIN_HW_WQ_SIZE = 1 << 1,
  28 };
  29
  30 struct irdma_alloc_ucontext_req {
  31         __u32 rsvd32;
  32         __u8 userspace_ver;
  33         __u8 rsvd8[3];
  34         __aligned_u64 comp_mask;
  35 };
  36
  37 struct irdma_alloc_ucontext_resp {
  38         __u32 max_pds;
  39         __u32 max_qps;
  40         __u32 wq_size; /* size of the WQs (SQ+RQ) in the mmaped area */
  41         __u8 kernel_ver;
  42         __u8 rsvd[3];
  43         __aligned_u64 feature_flags;
  44         __aligned_u64 db_mmap_key;
  45         __u32 max_hw_wq_frags;
  46         __u32 max_hw_read_sges;
  47         __u32 max_hw_inline;
  48         __u32 max_hw_rq_quanta;
  49         __u32 max_hw_wq_quanta;
  50         __u32 min_hw_cq_size;
  51         __u32 max_hw_cq_size;
  52         __u16 max_hw_sq_chunk;
  53         __u8 hw_rev;
  54         __u8 rsvd2;
  55         __aligned_u64 comp_mask;
  56         __u16 min_hw_wq_size;
  57         __u8 rsvd3[6];
  58 };
  59
  60 struct irdma_alloc_pd_resp {
  61         __u32 pd_id;
  62         __u8 rsvd[4];
  63 };
  64
  65 struct irdma_resize_cq_req {
  66         __aligned_u64 user_cq_buffer;
  67 };
  68
  69 struct irdma_create_cq_req {
  70         __aligned_u64 user_cq_buf;
  71         __aligned_u64 user_shadow_area;
  72 };
  73
  74 struct irdma_create_qp_req {
  75         __aligned_u64 user_wqe_bufs;
  76         __aligned_u64 user_compl_ctx;
  77 };
  78
  79 struct irdma_mem_reg_req {
  80         __u16 reg_type; /* enum irdma_memreg_type */
  81         __u16 cq_pages;
  82         __u16 rq_pages;
  83         __u16 sq_pages;
  84 };
  85
  86 struct irdma_modify_qp_req {
  87         __u8 sq_flush;
  88         __u8 rq_flush;
  89         __u8 rsvd[6];
  90 };
  91
  92 struct irdma_create_cq_resp {
  93         __u32 cq_id;
  94         __u32 cq_size;
  95 };
  96
  97 struct irdma_create_qp_resp {
  98         __u32 qp_id;
  99         __u32 actual_sq_size;
 100         __u32 actual_rq_size;
 101         __u32 irdma_drv_opt;
 102         __u16 push_idx;
 103         __u8 lsmm;
 104         __u8 rsvd;
 105         __u32 qp_caps;
 106 };
 107
 108 struct irdma_modify_qp_resp {
 109         __aligned_u64 push_wqe_mmap_key;
 110         __aligned_u64 push_db_mmap_key;
 111         __u16 push_offset;
 112         __u8 push_valid;
 113         __u8 rsvd[5];
 114 };
 115
 116 struct irdma_create_ah_resp {
 117         __u32 ah_id;
 118         __u8 rsvd[4];
 119 };
 120 #endif /* IRDMA_ABI_H */