| /* |
| * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #ifndef MLX5_ABI_USER_H |
| #define MLX5_ABI_USER_H |
| |
| #include <linux/types.h> |
| |
| enum { |
| MLX5_QP_FLAG_SIGNATURE = 1 << 0, |
| MLX5_QP_FLAG_SCATTER_CQE = 1 << 1, |
| }; |
| |
| enum { |
| MLX5_SRQ_FLAG_SIGNATURE = 1 << 0, |
| }; |
| |
| enum { |
| MLX5_WQ_FLAG_SIGNATURE = 1 << 0, |
| }; |
| |
| /* Increment this value if any changes that break userspace ABI |
| * compatibility are made. |
| */ |
| #define MLX5_IB_UVERBS_ABI_VERSION 1 |
| |
| /* Make sure that all structs defined in this file remain laid out so |
| * that they pack the same way on 32-bit and 64-bit architectures (to |
| * avoid incompatibility between 32-bit userspace and 64-bit kernels). |
| * In particular do not use pointer types -- pass pointers in __u64 |
| * instead. |
| */ |
| |
| struct mlx5_ib_alloc_ucontext_req { |
| __u32 total_num_bfregs; |
| __u32 num_low_latency_bfregs; |
| }; |
| |
| enum mlx5_lib_caps { |
| MLX5_LIB_CAP_4K_UAR = (u64)1 << 0, |
| }; |
| |
| struct mlx5_ib_alloc_ucontext_req_v2 { |
| __u32 total_num_bfregs; |
| __u32 num_low_latency_bfregs; |
| __u32 flags; |
| __u32 comp_mask; |
| __u8 max_cqe_version; |
| __u8 reserved0; |
| __u16 reserved1; |
| __u32 reserved2; |
| __u64 lib_caps; |
| }; |
| |
| enum mlx5_ib_alloc_ucontext_resp_mask { |
| MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0, |
| }; |
| |
| enum mlx5_user_cmds_supp_uhw { |
| MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE = 1 << 0, |
| MLX5_USER_CMDS_SUPP_UHW_CREATE_AH = 1 << 1, |
| }; |
| |
| /* The eth_min_inline response value is set to off-by-one vs the FW |
| * returned value to allow user-space to deal with older kernels. |
| */ |
| enum mlx5_user_inline_mode { |
| MLX5_USER_INLINE_MODE_NA, |
| MLX5_USER_INLINE_MODE_NONE, |
| MLX5_USER_INLINE_MODE_L2, |
| MLX5_USER_INLINE_MODE_IP, |
| MLX5_USER_INLINE_MODE_TCP_UDP, |
| }; |
| |
| struct mlx5_ib_alloc_ucontext_resp { |
| __u32 qp_tab_size; |
| __u32 bf_reg_size; |
| __u32 tot_bfregs; |
| __u32 cache_line_size; |
| __u16 max_sq_desc_sz; |
| __u16 max_rq_desc_sz; |
| __u32 max_send_wqebb; |
| __u32 max_recv_wr; |
| __u32 max_srq_recv_wr; |
| __u16 num_ports; |
| __u16 reserved1; |
| __u32 comp_mask; |
| __u32 response_length; |
| __u8 cqe_version; |
| __u8 cmds_supp_uhw; |
| __u8 eth_min_inline; |
| __u8 reserved2; |
| __u64 hca_core_clock_offset; |
| __u32 log_uar_size; |
| __u32 num_uars_per_page; |
| }; |
| |
| struct mlx5_ib_alloc_pd_resp { |
| __u32 pdn; |
| }; |
| |
| struct mlx5_ib_tso_caps { |
| __u32 max_tso; /* Maximum tso payload size in bytes */ |
| |
| /* Corresponding bit will be set if qp type from |
| * 'enum ib_qp_type' is supported, e.g. |
| * supported_qpts |= 1 << IB_QPT_UD |
| */ |
| __u32 supported_qpts; |
| }; |
| |
| struct mlx5_ib_rss_caps { |
| __u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */ |
| __u8 rx_hash_function; /* enum mlx5_rx_hash_function_flags */ |
| __u8 reserved[7]; |
| }; |
| |
| enum mlx5_ib_cqe_comp_res_format { |
| MLX5_IB_CQE_RES_FORMAT_HASH = 1 << 0, |
| MLX5_IB_CQE_RES_FORMAT_CSUM = 1 << 1, |
| MLX5_IB_CQE_RES_RESERVED = 1 << 2, |
| }; |
| |
| struct mlx5_ib_cqe_comp_caps { |
| __u32 max_num; |
| __u32 supported_format; /* enum mlx5_ib_cqe_comp_res_format */ |
| }; |
| |
| struct mlx5_packet_pacing_caps { |
| __u32 qp_rate_limit_min; |
| __u32 qp_rate_limit_max; /* In kpbs */ |
| |
| /* Corresponding bit will be set if qp type from |
| * 'enum ib_qp_type' is supported, e.g. |
| * supported_qpts |= 1 << IB_QPT_RAW_PACKET |
| */ |
| __u32 supported_qpts; |
| __u32 reserved; |
| }; |
| |
| struct mlx5_ib_query_device_resp { |
| __u32 comp_mask; |
| __u32 response_length; |
| struct mlx5_ib_tso_caps tso_caps; |
| struct mlx5_ib_rss_caps rss_caps; |
| struct mlx5_ib_cqe_comp_caps cqe_comp_caps; |
| struct mlx5_packet_pacing_caps packet_pacing_caps; |
| __u32 mlx5_ib_support_multi_pkt_send_wqes; |
| __u32 reserved; |
| }; |
| |
| struct mlx5_ib_create_cq { |
| __u64 buf_addr; |
| __u64 db_addr; |
| __u32 cqe_size; |
| __u8 cqe_comp_en; |
| __u8 cqe_comp_res_format; |
| __u16 reserved; /* explicit padding (optional on i386) */ |
| }; |
| |
| struct mlx5_ib_create_cq_resp { |
| __u32 cqn; |
| __u32 reserved; |
| }; |
| |
| struct mlx5_ib_resize_cq { |
| __u64 buf_addr; |
| __u16 cqe_size; |
| __u16 reserved0; |
| __u32 reserved1; |
| }; |
| |
| struct mlx5_ib_create_srq { |
| __u64 buf_addr; |
| __u64 db_addr; |
| __u32 flags; |
| __u32 reserved0; /* explicit padding (optional on i386) */ |
| __u32 uidx; |
| __u32 reserved1; |
| }; |
| |
| struct mlx5_ib_create_srq_resp { |
| __u32 srqn; |
| __u32 reserved; |
| }; |
| |
| struct mlx5_ib_create_qp { |
| __u64 buf_addr; |
| __u64 db_addr; |
| __u32 sq_wqe_count; |
| __u32 rq_wqe_count; |
| __u32 rq_wqe_shift; |
| __u32 flags; |
| __u32 uidx; |
| __u32 reserved0; |
| __u64 sq_buf_addr; |
| }; |
| |
| /* RX Hash function flags */ |
| enum mlx5_rx_hash_function_flags { |
| MLX5_RX_HASH_FUNC_TOEPLITZ = 1 << 0, |
| }; |
| |
| /* |
| * RX Hash flags, these flags allows to set which incoming packet's field should |
| * participates in RX Hash. Each flag represent certain packet's field, |
| * when the flag is set the field that is represented by the flag will |
| * participate in RX Hash calculation. |
| * Note: *IPV4 and *IPV6 flags can't be enabled together on the same QP |
| * and *TCP and *UDP flags can't be enabled together on the same QP. |
| */ |
| enum mlx5_rx_hash_fields { |
| MLX5_RX_HASH_SRC_IPV4 = 1 << 0, |
| MLX5_RX_HASH_DST_IPV4 = 1 << 1, |
| MLX5_RX_HASH_SRC_IPV6 = 1 << 2, |
| MLX5_RX_HASH_DST_IPV6 = 1 << 3, |
| MLX5_RX_HASH_SRC_PORT_TCP = 1 << 4, |
| MLX5_RX_HASH_DST_PORT_TCP = 1 << 5, |
| MLX5_RX_HASH_SRC_PORT_UDP = 1 << 6, |
| MLX5_RX_HASH_DST_PORT_UDP = 1 << 7 |
| }; |
| |
| struct mlx5_ib_create_qp_rss { |
| __u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */ |
| __u8 rx_hash_function; /* enum mlx5_rx_hash_function_flags */ |
| __u8 rx_key_len; /* valid only for Toeplitz */ |
| __u8 reserved[6]; |
| __u8 rx_hash_key[128]; /* valid only for Toeplitz */ |
| __u32 comp_mask; |
| __u32 reserved1; |
| }; |
| |
| struct mlx5_ib_create_qp_resp { |
| __u32 bfreg_index; |
| }; |
| |
| struct mlx5_ib_alloc_mw { |
| __u32 comp_mask; |
| __u8 num_klms; |
| __u8 reserved1; |
| __u16 reserved2; |
| }; |
| |
| struct mlx5_ib_create_wq { |
| __u64 buf_addr; |
| __u64 db_addr; |
| __u32 rq_wqe_count; |
| __u32 rq_wqe_shift; |
| __u32 user_index; |
| __u32 flags; |
| __u32 comp_mask; |
| __u32 reserved; |
| }; |
| |
| struct mlx5_ib_create_ah_resp { |
| __u32 response_length; |
| __u8 dmac[ETH_ALEN]; |
| __u8 reserved[6]; |
| }; |
| |
| struct mlx5_ib_create_wq_resp { |
| __u32 response_length; |
| __u32 reserved; |
| }; |
| |
| struct mlx5_ib_create_rwq_ind_tbl_resp { |
| __u32 response_length; |
| __u32 reserved; |
| }; |
| |
| struct mlx5_ib_modify_wq { |
| __u32 comp_mask; |
| __u32 reserved; |
| }; |
| #endif /* MLX5_ABI_USER_H */ |