1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
3 * Copyright 2018-2022 Amazon.com, Inc. or its affiliates. All rights reserved.
9 #include <linux/types.h>
12 * Increment this value if any changes that break userspace ABI
13 * compatibility are made.
15 #define EFA_UVERBS_ABI_VERSION 1
18 * Keep structs aligned to 8 bytes.
19 * Keep reserved fields as arrays of __u8 named reserved_XXX where XXX is the
20 * hex bit offset of the field.
24 EFA_ALLOC_UCONTEXT_CMD_COMP_TX_BATCH = 1 << 0,
25 EFA_ALLOC_UCONTEXT_CMD_COMP_MIN_SQ_WR = 1 << 1,
28 struct efa_ibv_alloc_ucontext_cmd {
33 enum efa_ibv_user_cmds_supp_udata {
34 EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE = 1 << 0,
35 EFA_USER_CMDS_SUPP_UDATA_CREATE_AH = 1 << 1,
38 struct efa_ibv_alloc_ucontext_resp {
40 __u32 cmds_supp_udata_mask;
42 __u16 inline_buf_size;
43 __u32 max_llq_size; /* bytes */
44 __u16 max_tx_batch; /* units of 64 bytes */
49 struct efa_ibv_alloc_pd_resp {
56 EFA_CREATE_CQ_WITH_COMPLETION_CHANNEL = 1 << 0,
57 EFA_CREATE_CQ_WITH_SGID = 1 << 1,
60 struct efa_ibv_create_cq {
69 EFA_CREATE_CQ_RESP_DB_OFF = 1 << 0,
72 struct efa_ibv_create_cq_resp {
75 __aligned_u64 q_mmap_key;
76 __aligned_u64 q_mmap_size;
80 __aligned_u64 db_mmap_key;
84 EFA_QP_DRIVER_TYPE_SRD = 0,
87 struct efa_ibv_create_qp {
89 __u32 rq_ring_size; /* bytes */
90 __u32 sq_ring_size; /* bytes */
94 struct efa_ibv_create_qp_resp {
96 /* the offset inside the page of the rq db */
98 /* the offset inside the page of the sq db */
100 /* the offset inside the page of descriptors buffer */
101 __u32 llq_desc_offset;
102 __aligned_u64 rq_mmap_key;
103 __aligned_u64 rq_mmap_size;
104 __aligned_u64 rq_db_mmap_key;
105 __aligned_u64 sq_db_mmap_key;
106 __aligned_u64 llq_desc_mmap_key;
107 __u16 send_sub_cq_idx;
108 __u16 recv_sub_cq_idx;
109 __u8 reserved_1e0[4];
112 struct efa_ibv_create_ah_resp {
114 __u16 efa_address_handle;
119 EFA_QUERY_DEVICE_CAPS_RDMA_READ = 1 << 0,
120 EFA_QUERY_DEVICE_CAPS_RNR_RETRY = 1 << 1,
121 EFA_QUERY_DEVICE_CAPS_CQ_NOTIFICATIONS = 1 << 2,
122 EFA_QUERY_DEVICE_CAPS_CQ_WITH_SGID = 1 << 3,
125 struct efa_ibv_ex_query_device_resp {
135 #endif /* EFA_ABI_USER_H */