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 enum mana_ib_create_cq_flags { 20 MANA_IB_CREATE_RNIC_CQ = 1 << 0, 21 }; 22 23 struct mana_ib_create_cq { 24 __aligned_u64 buf_addr; 25 __u16 flags; 26 __u16 reserved0; 27 __u32 reserved1; 28 }; 29 30 struct mana_ib_create_cq_resp { 31 __u32 cqid; 32 __u32 reserved; 33 }; 34 35 struct mana_ib_create_qp { 36 __aligned_u64 sq_buf_addr; 37 __u32 sq_buf_size; 38 __u32 port; 39 }; 40 41 struct mana_ib_create_qp_resp { 42 __u32 sqid; 43 __u32 cqid; 44 __u32 tx_vp_offset; 45 __u32 reserved; 46 }; 47 48 struct mana_ib_create_wq { 49 __aligned_u64 wq_buf_addr; 50 __u32 wq_buf_size; 51 __u32 reserved; 52 }; 53 54 /* RX Hash function flags */ 55 enum mana_ib_rx_hash_function_flags { 56 MANA_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0, 57 }; 58 59 struct mana_ib_create_qp_rss { 60 __aligned_u64 rx_hash_fields_mask; 61 __u8 rx_hash_function; 62 __u8 reserved[7]; 63 __u32 rx_hash_key_len; 64 __u8 rx_hash_key[40]; 65 __u32 port; 66 }; 67 68 struct rss_resp_entry { 69 __u32 cqid; 70 __u32 wqid; 71 }; 72 73 struct mana_ib_create_qp_rss_resp { 74 __aligned_u64 num_entries; 75 struct rss_resp_entry entries[64]; 76 }; 77 78 #endif 79