--- /dev/null
+/* 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,
+};
+
+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,
+};
+
+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,
+};
+
+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,
+};
+
+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,
+};
+
+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;
+};
+
+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;
+ };
+};
+
+/* 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;
+};
+
+struct mlx5_ib_create_qp_resp {
+ __u32 bfreg_index;
+ __u32 reserved;
+};
+
+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 reserved;
+};
+
+struct mlx5_ib_modify_qp_resp {
+ __u32 response_length;
+ __u32 dctn;
+};
+
+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 */
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