1 /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) */ 2 /* 3 * Copyright (c) 2022, Microsoft Corporation. All rights reserved. 4 */ 5 6 #ifndef MANA_ABI_USER_H 7 #define MANA_ABI_USER_H 8 9 #include <linux/types.h> 10 #include <rdma/ib_user_ioctl_verbs.h> 11 12 /* 13 * Increment this value if any changes that break userspace ABI 14 * compatibility are made. 15 */ 16 17 #define MANA_IB_UVERBS_ABI_VERSION 1 18 19 struct mana_ib_create_cq { 20 __aligned_u64 buf_addr; 21 }; 22 23 struct mana_ib_create_qp { 24 __aligned_u64 sq_buf_addr; 25 __u32 sq_buf_size; 26 __u32 port; 27 }; 28 29 struct mana_ib_create_qp_resp { 30 __u32 sqid; 31 __u32 cqid; 32 __u32 tx_vp_offset; 33 __u32 reserved; 34 }; 35 36 struct mana_ib_create_wq { 37 __aligned_u64 wq_buf_addr; 38 __u32 wq_buf_size; 39 __u32 reserved; 40 }; 41 42 /* RX Hash function flags */ 43 enum mana_ib_rx_hash_function_flags { 44 MANA_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0, 45 }; 46 47 struct mana_ib_create_qp_rss { 48 __aligned_u64 rx_hash_fields_mask; 49 __u8 rx_hash_function; 50 __u8 reserved[7]; 51 __u32 rx_hash_key_len; 52 __u8 rx_hash_key[40]; 53 __u32 port; 54 }; 55 56 struct rss_resp_entry { 57 __u32 cqid; 58 __u32 wqid; 59 }; 60 61 struct mana_ib_create_qp_rss_resp { 62 __aligned_u64 num_entries; 63 struct rss_resp_entry entries[64]; 64 }; 65 66 #endif 67