--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 6WIND S.A.
+ * Copyright 2018 Mellanox Technologies, Ltd
+ */
+
+#ifndef MLX5_GLUE_H_
+#define MLX5_GLUE_H_
+
+#include <stddef.h>
+#include <stdint.h>
+/* Verbs headers do not support -pedantic. */
+#ifdef PEDANTIC
+#pragma GCC diagnostic ignored "-Wpedantic"
+#endif
+#include <infiniband/mlx5dv.h>
+#include <infiniband/verbs.h>
+#ifdef PEDANTIC
+#pragma GCC diagnostic error "-Wpedantic"
+#endif
+
+#include <rte_byteorder.h>
+
+#include "mlx5_autoconf.h"
+
+#ifndef MLX5_GLUE_VERSION
+#define MLX5_GLUE_VERSION ""
+#endif
+
+#ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42
+struct ibv_counter_set;
+struct ibv_counter_set_data;
+struct ibv_counter_set_description;
+struct ibv_counter_set_init_attr;
+struct ibv_query_counter_set_attr;
+#endif
+
+#ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45
+struct ibv_counters;
+struct ibv_counters_init_attr;
+struct ibv_counter_attach_attr;
+#endif
+
+#ifndef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
+struct mlx5dv_qp_init_attr;
+#endif
+
+#ifndef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
+struct mlx5dv_wq_init_attr;
+#endif
+
+#ifndef HAVE_IBV_FLOW_DV_SUPPORT
+struct mlx5dv_flow_matcher;
+struct mlx5dv_flow_matcher_attr;
+struct mlx5dv_flow_action_attr;
+struct mlx5dv_flow_match_parameters;
+struct mlx5dv_dr_flow_meter_attr;
+struct ibv_flow_action;
+enum mlx5dv_flow_action_packet_reformat_type { packet_reformat_type = 0, };
+enum mlx5dv_flow_table_type { flow_table_type = 0, };
+#endif
+
+#ifndef HAVE_IBV_FLOW_DEVX_COUNTERS
+#define MLX5DV_FLOW_ACTION_COUNTERS_DEVX 0
+#endif
+
+#ifndef HAVE_IBV_DEVX_OBJ
+struct mlx5dv_devx_obj;
+struct mlx5dv_devx_umem { uint32_t umem_id; };
+struct mlx5dv_devx_uar { void *reg_addr; void *base_addr; uint32_t page_id; };
+#endif
+
+#ifndef HAVE_IBV_DEVX_ASYNC
+struct mlx5dv_devx_cmd_comp;
+struct mlx5dv_devx_async_cmd_hdr;
+#endif
+
+#ifndef HAVE_MLX5DV_DR
+enum mlx5dv_dr_domain_type { unused, };
+struct mlx5dv_dr_domain;
+#endif
+
+#ifndef HAVE_MLX5DV_DR_DEVX_PORT
+struct mlx5dv_devx_port;
+#endif
+
+#ifndef HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER
+struct mlx5dv_dr_flow_meter_attr;
+#endif
+
+#ifndef HAVE_IBV_DEVX_EVENT
+struct mlx5dv_devx_event_channel { int fd; };
+struct mlx5dv_devx_async_event_hdr;
+#define MLX5DV_DEVX_CREATE_EVENT_CHANNEL_FLAGS_OMIT_EV_DATA 1
+#endif
+
+#ifndef HAVE_IBV_VAR
+struct mlx5dv_var { uint32_t page_id; uint32_t length; off_t mmap_off;
+ uint64_t comp_mask; };
+#endif
+
+#ifndef HAVE_IBV_RELAXED_ORDERING
+#define IBV_ACCESS_RELAXED_ORDERING 0
+#endif
+
+/* LIB_GLUE_VERSION must be updated every time this structure is modified. */
+struct mlx5_glue {
+ const char *version;
+ int (*fork_init)(void);
+ struct ibv_pd *(*alloc_pd)(struct ibv_context *context);
+ int (*dealloc_pd)(struct ibv_pd *pd);
+ struct ibv_device **(*get_device_list)(int *num_devices);
+ void (*free_device_list)(struct ibv_device **list);
+ struct ibv_context *(*open_device)(struct ibv_device *device);
+ int (*close_device)(struct ibv_context *context);
+ int (*query_device)(struct ibv_context *context,
+ struct ibv_device_attr *device_attr);
+ int (*query_device_ex)(struct ibv_context *context,
+ const struct ibv_query_device_ex_input *input,
+ struct ibv_device_attr_ex *attr);
+ int (*query_rt_values_ex)(struct ibv_context *context,
+ struct ibv_values_ex *values);
+ int (*query_port)(struct ibv_context *context, uint8_t port_num,
+ struct ibv_port_attr *port_attr);
+ struct ibv_comp_channel *(*create_comp_channel)
+ (struct ibv_context *context);
+ int (*destroy_comp_channel)(struct ibv_comp_channel *channel);
+ struct ibv_cq *(*create_cq)(struct ibv_context *context, int cqe,
+ void *cq_context,
+ struct ibv_comp_channel *channel,
+ int comp_vector);
+ int (*destroy_cq)(struct ibv_cq *cq);
+ int (*get_cq_event)(struct ibv_comp_channel *channel,
+ struct ibv_cq **cq, void **cq_context);
+ void (*ack_cq_events)(struct ibv_cq *cq, unsigned int nevents);
+ struct ibv_rwq_ind_table *(*create_rwq_ind_table)
+ (struct ibv_context *context,
+ struct ibv_rwq_ind_table_init_attr *init_attr);
+ int (*destroy_rwq_ind_table)(struct ibv_rwq_ind_table *rwq_ind_table);
+ struct ibv_wq *(*create_wq)(struct ibv_context *context,
+ struct ibv_wq_init_attr *wq_init_attr);
+ int (*destroy_wq)(struct ibv_wq *wq);
+ int (*modify_wq)(struct ibv_wq *wq, struct ibv_wq_attr *wq_attr);
+ struct ibv_flow *(*create_flow)(struct ibv_qp *qp,
+ struct ibv_flow_attr *flow);
+ int (*destroy_flow)(struct ibv_flow *flow_id);
+ int (*destroy_flow_action)(void *action);
+ struct ibv_qp *(*create_qp)(struct ibv_pd *pd,
+ struct ibv_qp_init_attr *qp_init_attr);
+ struct ibv_qp *(*create_qp_ex)
+ (struct ibv_context *context,
+ struct ibv_qp_init_attr_ex *qp_init_attr_ex);
+ int (*destroy_qp)(struct ibv_qp *qp);
+ int (*modify_qp)(struct ibv_qp *qp, struct ibv_qp_attr *attr,
+ int attr_mask);
+ struct ibv_mr *(*reg_mr)(struct ibv_pd *pd, void *addr,
+ size_t length, int access);
+ struct ibv_mr *(*alloc_null_mr)(struct ibv_pd *pd);
+ int (*dereg_mr)(struct ibv_mr *mr);
+ struct ibv_counter_set *(*create_counter_set)
+ (struct ibv_context *context,
+ struct ibv_counter_set_init_attr *init_attr);
+ int (*destroy_counter_set)(struct ibv_counter_set *cs);
+ int (*describe_counter_set)
+ (struct ibv_context *context,
+ uint16_t counter_set_id,
+ struct ibv_counter_set_description *cs_desc);
+ int (*query_counter_set)(struct ibv_query_counter_set_attr *query_attr,
+ struct ibv_counter_set_data *cs_data);
+ struct ibv_counters *(*create_counters)
+ (struct ibv_context *context,
+ struct ibv_counters_init_attr *init_attr);
+ int (*destroy_counters)(struct ibv_counters *counters);
+ int (*attach_counters)(struct ibv_counters *counters,
+ struct ibv_counter_attach_attr *attr,
+ struct ibv_flow *flow);
+ int (*query_counters)(struct ibv_counters *counters,
+ uint64_t *counters_value,
+ uint32_t ncounters,
+ uint32_t flags);
+ void (*ack_async_event)(struct ibv_async_event *event);
+ int (*get_async_event)(struct ibv_context *context,
+ struct ibv_async_event *event);
+ const char *(*port_state_str)(enum ibv_port_state port_state);
+ struct ibv_cq *(*cq_ex_to_cq)(struct ibv_cq_ex *cq);
+ void *(*dr_create_flow_action_dest_flow_tbl)(void *tbl);
+ void *(*dr_create_flow_action_dest_port)(void *domain,
+ uint32_t port);
+ void *(*dr_create_flow_action_drop)();
+ void *(*dr_create_flow_action_push_vlan)
+ (struct mlx5dv_dr_domain *domain,
+ rte_be32_t vlan_tag);
+ void *(*dr_create_flow_action_pop_vlan)();
+ void *(*dr_create_flow_tbl)(void *domain, uint32_t level);
+ int (*dr_destroy_flow_tbl)(void *tbl);
+ void *(*dr_create_domain)(struct ibv_context *ctx,
+ enum mlx5dv_dr_domain_type domain);
+ int (*dr_destroy_domain)(void *domain);
+ struct ibv_cq_ex *(*dv_create_cq)
+ (struct ibv_context *context,
+ struct ibv_cq_init_attr_ex *cq_attr,
+ struct mlx5dv_cq_init_attr *mlx5_cq_attr);
+ struct ibv_wq *(*dv_create_wq)
+ (struct ibv_context *context,
+ struct ibv_wq_init_attr *wq_attr,
+ struct mlx5dv_wq_init_attr *mlx5_wq_attr);
+ int (*dv_query_device)(struct ibv_context *ctx_in,
+ struct mlx5dv_context *attrs_out);
+ int (*dv_set_context_attr)(struct ibv_context *ibv_ctx,
+ enum mlx5dv_set_ctx_attr_type type,
+ void *attr);
+ int (*dv_init_obj)(struct mlx5dv_obj *obj, uint64_t obj_type);
+ struct ibv_qp *(*dv_create_qp)
+ (struct ibv_context *context,
+ struct ibv_qp_init_attr_ex *qp_init_attr_ex,
+ struct mlx5dv_qp_init_attr *dv_qp_init_attr);
+ void *(*dv_create_flow_matcher)
+ (struct ibv_context *context,
+ struct mlx5dv_flow_matcher_attr *matcher_attr,
+ void *tbl);
+ void *(*dv_create_flow)(void *matcher, void *match_value,
+ size_t num_actions, void *actions[]);
+ void *(*dv_create_flow_action_counter)(void *obj, uint32_t offset);
+ void *(*dv_create_flow_action_dest_ibv_qp)(void *qp);
+ void *(*dv_create_flow_action_dest_devx_tir)(void *tir);
+ void *(*dv_create_flow_action_modify_header)
+ (struct ibv_context *ctx, enum mlx5dv_flow_table_type ft_type,
+ void *domain, uint64_t flags, size_t actions_sz,
+ uint64_t actions[]);
+ void *(*dv_create_flow_action_packet_reformat)
+ (struct ibv_context *ctx,
+ enum mlx5dv_flow_action_packet_reformat_type reformat_type,
+ enum mlx5dv_flow_table_type ft_type,
+ struct mlx5dv_dr_domain *domain,
+ uint32_t flags, size_t data_sz, void *data);
+ void *(*dv_create_flow_action_tag)(uint32_t tag);
+ void *(*dv_create_flow_action_meter)
+ (struct mlx5dv_dr_flow_meter_attr *attr);
+ int (*dv_modify_flow_action_meter)(void *action,
+ struct mlx5dv_dr_flow_meter_attr *attr, uint64_t modify_bits);
+ int (*dv_destroy_flow)(void *flow);
+ int (*dv_destroy_flow_matcher)(void *matcher);
+ struct ibv_context *(*dv_open_device)(struct ibv_device *device);
+ struct mlx5dv_var *(*dv_alloc_var)(struct ibv_context *context,
+ uint32_t flags);
+ void (*dv_free_var)(struct mlx5dv_var *var);
+ struct mlx5dv_devx_uar *(*devx_alloc_uar)(struct ibv_context *context,
+ uint32_t flags);
+ void (*devx_free_uar)(struct mlx5dv_devx_uar *devx_uar);
+ struct mlx5dv_devx_obj *(*devx_obj_create)
+ (struct ibv_context *ctx,
+ const void *in, size_t inlen,
+ void *out, size_t outlen);
+ int (*devx_obj_destroy)(struct mlx5dv_devx_obj *obj);
+ int (*devx_obj_query)(struct mlx5dv_devx_obj *obj,
+ const void *in, size_t inlen,
+ void *out, size_t outlen);
+ int (*devx_obj_modify)(struct mlx5dv_devx_obj *obj,
+ const void *in, size_t inlen,
+ void *out, size_t outlen);
+ int (*devx_general_cmd)(struct ibv_context *context,
+ const void *in, size_t inlen,
+ void *out, size_t outlen);
+ struct mlx5dv_devx_cmd_comp *(*devx_create_cmd_comp)
+ (struct ibv_context *context);
+ void (*devx_destroy_cmd_comp)(struct mlx5dv_devx_cmd_comp *cmd_comp);
+ int (*devx_obj_query_async)(struct mlx5dv_devx_obj *obj,
+ const void *in, size_t inlen,
+ size_t outlen, uint64_t wr_id,
+ struct mlx5dv_devx_cmd_comp *cmd_comp);
+ int (*devx_get_async_cmd_comp)(struct mlx5dv_devx_cmd_comp *cmd_comp,
+ struct mlx5dv_devx_async_cmd_hdr *resp,
+ size_t cmd_resp_len);
+ struct mlx5dv_devx_umem *(*devx_umem_reg)(struct ibv_context *context,
+ void *addr, size_t size,
+ uint32_t access);
+ int (*devx_umem_dereg)(struct mlx5dv_devx_umem *dv_devx_umem);
+ int (*devx_qp_query)(struct ibv_qp *qp,
+ const void *in, size_t inlen,
+ void *out, size_t outlen);
+ int (*devx_port_query)(struct ibv_context *ctx,
+ uint32_t port_num,
+ struct mlx5dv_devx_port *mlx5_devx_port);
+ int (*dr_dump_domain)(FILE *file, void *domain);
+ int (*devx_query_eqn)(struct ibv_context *context, uint32_t cpus,
+ uint32_t *eqn);
+ struct mlx5dv_devx_event_channel *(*devx_create_event_channel)
+ (struct ibv_context *context, int flags);
+ void (*devx_destroy_event_channel)
+ (struct mlx5dv_devx_event_channel *event_channel);
+ int (*devx_subscribe_devx_event)
+ (struct mlx5dv_devx_event_channel *event_channel,
+ struct mlx5dv_devx_obj *obj,
+ uint16_t events_sz,
+ uint16_t events_num[],
+ uint64_t cookie);
+ int (*devx_subscribe_devx_event_fd)
+ (struct mlx5dv_devx_event_channel *event_channel,
+ int fd,
+ struct mlx5dv_devx_obj *obj,
+ uint16_t event_num);
+ ssize_t (*devx_get_event)
+ (struct mlx5dv_devx_event_channel *event_channel,
+ struct mlx5dv_devx_async_event_hdr *event_data,
+ size_t event_resp_len);
+};
+
+extern const struct mlx5_glue *mlx5_glue;
+
+#endif /* MLX5_GLUE_H_ */
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