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| -rw-r--r-- | include/uapi/rdma/mlx5-abi.h | 506 |
1 files changed, 506 insertions, 0 deletions
diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h new file mode 100644 index 000000000..27905a026 --- /dev/null +++ b/include/uapi/rdma/mlx5-abi.h @@ -0,0 +1,506 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ +/* + * 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> +#include <linux/if_ether.h> /* For ETH_ALEN. */ +#include <rdma/ib_user_ioctl_verbs.h> + +enum { + MLX5_QP_FLAG_SIGNATURE = 1 << 0, + MLX5_QP_FLAG_SCATTER_CQE = 1 << 1, + MLX5_QP_FLAG_TUNNEL_OFFLOADS = 1 << 2, + MLX5_QP_FLAG_BFREG_INDEX = 1 << 3, + MLX5_QP_FLAG_TYPE_DCT = 1 << 4, + MLX5_QP_FLAG_TYPE_DCI = 1 << 5, + MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC = 1 << 6, + MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC = 1 << 7, + MLX5_QP_FLAG_ALLOW_SCATTER_CQE = 1 << 8, + MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE = 1 << 9, + MLX5_QP_FLAG_UAR_PAGE_INDEX = 1 << 10, +}; + +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, + MLX5_LIB_CAP_DYN_UAR = (__u64)1 << 1, +}; + +enum mlx5_ib_alloc_uctx_v2_flags { + MLX5_IB_ALLOC_UCTX_DEVX = 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; + __aligned_u64 lib_caps; +}; + +enum mlx5_ib_alloc_ucontext_resp_mask { + MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0, + MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_DUMP_FILL_MKEY = 1UL << 1, + MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_ECE = 1UL << 2, +}; + +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, +}; + +enum { + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM = 1 << 0, + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_REQ_METADATA = 1 << 1, + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_STEERING = 1 << 2, + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_FULL_OFFLOAD = 1 << 3, + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX_IV_IS_ESN = 1 << 4, +}; + +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 flow_action_flags; + __u32 comp_mask; + __u32 response_length; + __u8 cqe_version; + __u8 cmds_supp_uhw; + __u8 eth_min_inline; + __u8 clock_info_versions; + __aligned_u64 hca_core_clock_offset; + __u32 log_uar_size; + __u32 num_uars_per_page; + __u32 num_dyn_bfregs; + __u32 dump_fill_mkey; +}; + +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 { + __aligned_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_FORMAT_CSUM_STRIDX = 1 << 2, +}; + +struct mlx5_ib_cqe_comp_caps { + __u32 max_num; + __u32 supported_format; /* enum mlx5_ib_cqe_comp_res_format */ +}; + +enum mlx5_ib_packet_pacing_cap_flags { + MLX5_IB_PP_SUPPORT_BURST = 1 << 0, +}; + +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; + __u8 cap_flags; /* enum mlx5_ib_packet_pacing_cap_flags */ + __u8 reserved[3]; +}; + +enum mlx5_ib_mpw_caps { + MPW_RESERVED = 1 << 0, + MLX5_IB_ALLOW_MPW = 1 << 1, + MLX5_IB_SUPPORT_EMPW = 1 << 2, +}; + +enum mlx5_ib_sw_parsing_offloads { + MLX5_IB_SW_PARSING = 1 << 0, + MLX5_IB_SW_PARSING_CSUM = 1 << 1, + MLX5_IB_SW_PARSING_LSO = 1 << 2, +}; + +struct mlx5_ib_sw_parsing_caps { + __u32 sw_parsing_offloads; /* enum mlx5_ib_sw_parsing_offloads */ + + /* 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; +}; + +struct mlx5_ib_striding_rq_caps { + __u32 min_single_stride_log_num_of_bytes; + __u32 max_single_stride_log_num_of_bytes; + __u32 min_single_wqe_log_num_of_strides; + __u32 max_single_wqe_log_num_of_strides; + + /* 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; +}; + +enum mlx5_ib_query_dev_resp_flags { + /* Support 128B CQE compression */ + MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP = 1 << 0, + MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD = 1 << 1, + MLX5_IB_QUERY_DEV_RESP_PACKET_BASED_CREDIT_MODE = 1 << 2, + MLX5_IB_QUERY_DEV_RESP_FLAGS_SCAT2CQE_DCT = 1 << 3, +}; + +enum mlx5_ib_tunnel_offloads { + MLX5_IB_TUNNELED_OFFLOADS_VXLAN = 1 << 0, + MLX5_IB_TUNNELED_OFFLOADS_GRE = 1 << 1, + MLX5_IB_TUNNELED_OFFLOADS_GENEVE = 1 << 2, + MLX5_IB_TUNNELED_OFFLOADS_MPLS_GRE = 1 << 3, + MLX5_IB_TUNNELED_OFFLOADS_MPLS_UDP = 1 << 4, +}; + +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 flags; /* Use enum mlx5_ib_query_dev_resp_flags */ + struct mlx5_ib_sw_parsing_caps sw_parsing_caps; + struct mlx5_ib_striding_rq_caps striding_rq_caps; + __u32 tunnel_offloads_caps; /* enum mlx5_ib_tunnel_offloads */ + __u32 reserved; +}; + +enum mlx5_ib_create_cq_flags { + MLX5_IB_CREATE_CQ_FLAGS_CQE_128B_PAD = 1 << 0, + MLX5_IB_CREATE_CQ_FLAGS_UAR_PAGE_INDEX = 1 << 1, +}; + +struct mlx5_ib_create_cq { + __aligned_u64 buf_addr; + __aligned_u64 db_addr; + __u32 cqe_size; + __u8 cqe_comp_en; + __u8 cqe_comp_res_format; + __u16 flags; + __u16 uar_page_index; + __u16 reserved0; + __u32 reserved1; +}; + +struct mlx5_ib_create_cq_resp { + __u32 cqn; + __u32 reserved; +}; + +struct mlx5_ib_resize_cq { + __aligned_u64 buf_addr; + __u16 cqe_size; + __u16 reserved0; + __u32 reserved1; +}; + +struct mlx5_ib_create_srq { + __aligned_u64 buf_addr; + __aligned_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 { + __aligned_u64 buf_addr; + __aligned_u64 db_addr; + __u32 sq_wqe_count; + __u32 rq_wqe_count; + __u32 rq_wqe_shift; + __u32 flags; + __u32 uidx; + __u32 bfreg_index; + union { + __aligned_u64 sq_buf_addr; + __aligned_u64 access_key; + }; + __u32 ece_options; + __u32 reserved; +}; + +/* 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, + MLX5_RX_HASH_IPSEC_SPI = 1 << 8, + /* Save bits for future fields */ + MLX5_RX_HASH_INNER = (1UL << 31), +}; + +struct mlx5_ib_create_qp_rss { + __aligned_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 flags; +}; + +enum mlx5_ib_create_qp_resp_mask { + MLX5_IB_CREATE_QP_RESP_MASK_TIRN = 1UL << 0, + MLX5_IB_CREATE_QP_RESP_MASK_TISN = 1UL << 1, + MLX5_IB_CREATE_QP_RESP_MASK_RQN = 1UL << 2, + MLX5_IB_CREATE_QP_RESP_MASK_SQN = 1UL << 3, + MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR = 1UL << 4, +}; + +struct mlx5_ib_create_qp_resp { + __u32 bfreg_index; + __u32 ece_options; + __u32 comp_mask; + __u32 tirn; + __u32 tisn; + __u32 rqn; + __u32 sqn; + __u32 reserved1; + __u64 tir_icm_addr; +}; + +struct mlx5_ib_alloc_mw { + __u32 comp_mask; + __u8 num_klms; + __u8 reserved1; + __u16 reserved2; +}; + +enum mlx5_ib_create_wq_mask { + MLX5_IB_CREATE_WQ_STRIDING_RQ = (1 << 0), +}; + +struct mlx5_ib_create_wq { + __aligned_u64 buf_addr; + __aligned_u64 db_addr; + __u32 rq_wqe_count; + __u32 rq_wqe_shift; + __u32 user_index; + __u32 flags; + __u32 comp_mask; + __u32 single_stride_log_num_of_bytes; + __u32 single_wqe_log_num_of_strides; + __u32 two_byte_shift_en; +}; + +struct mlx5_ib_create_ah_resp { + __u32 response_length; + __u8 dmac[ETH_ALEN]; + __u8 reserved[6]; +}; + +struct mlx5_ib_burst_info { + __u32 max_burst_sz; + __u16 typical_pkt_sz; + __u16 reserved; +}; + +struct mlx5_ib_modify_qp { + __u32 comp_mask; + struct mlx5_ib_burst_info burst_info; + __u32 ece_options; +}; + +struct mlx5_ib_modify_qp_resp { + __u32 response_length; + __u32 dctn; + __u32 ece_options; + __u32 reserved; +}; + +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; +}; + +struct mlx5_ib_clock_info { + __u32 sign; + __u32 resv; + __aligned_u64 nsec; + __aligned_u64 cycles; + __aligned_u64 frac; + __u32 mult; + __u32 shift; + __aligned_u64 mask; + __aligned_u64 overflow_period; +}; + +enum mlx5_ib_mmap_cmd { + MLX5_IB_MMAP_REGULAR_PAGE = 0, + MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES = 1, + MLX5_IB_MMAP_WC_PAGE = 2, + MLX5_IB_MMAP_NC_PAGE = 3, + /* 5 is chosen in order to be compatible with old versions of libmlx5 */ + MLX5_IB_MMAP_CORE_CLOCK = 5, + MLX5_IB_MMAP_ALLOC_WC = 6, + MLX5_IB_MMAP_CLOCK_INFO = 7, + MLX5_IB_MMAP_DEVICE_MEM = 8, +}; + +enum { + MLX5_IB_CLOCK_INFO_KERNEL_UPDATING = 1, +}; + +/* Bit indexes for the mlx5_alloc_ucontext_resp.clock_info_versions bitmap */ +enum { + MLX5_IB_CLOCK_INFO_V1 = 0, +}; + +struct mlx5_ib_flow_counters_desc { + __u32 description; + __u32 index; +}; + +struct mlx5_ib_flow_counters_data { + RDMA_UAPI_PTR(struct mlx5_ib_flow_counters_desc *, counters_data); + __u32 ncounters; + __u32 reserved; +}; + +struct mlx5_ib_create_flow { + __u32 ncounters_data; + __u32 reserved; + /* + * Following are counters data based on ncounters_data, each + * entry in the data[] should match a corresponding counter object + * that was pointed by a counters spec upon the flow creation + */ + struct mlx5_ib_flow_counters_data data[]; +}; + +#endif /* MLX5_ABI_USER_H */ |