1 files changed, 353 insertions, 0 deletions
diff --git a/drivers/net/mlx5/mlx5_glue.c b/drivers/net/mlx5/mlx5_glue.c
new file mode 100644
index 00000000..1c4396ad
--- /dev/null
+++ b/drivers/net/mlx5/mlx5_glue.c
@@ -0,0 +1,353 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 6WIND S.A.
+ * Copyright 2018 Mellanox Technologies, Ltd.
+ */
+
+#include <errno.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 "mlx5_autoconf.h"
+#include "mlx5_glue.h"
+
+static int
+mlx5_glue_fork_init(void)
+{
+	return ibv_fork_init();
+}
+
+static struct ibv_pd *
+mlx5_glue_alloc_pd(struct ibv_context *context)
+{
+	return ibv_alloc_pd(context);
+}
+
+static int
+mlx5_glue_dealloc_pd(struct ibv_pd *pd)
+{
+	return ibv_dealloc_pd(pd);
+}
+
+static struct ibv_device **
+mlx5_glue_get_device_list(int *num_devices)
+{
+	return ibv_get_device_list(num_devices);
+}
+
+static void
+mlx5_glue_free_device_list(struct ibv_device **list)
+{
+	ibv_free_device_list(list);
+}
+
+static struct ibv_context *
+mlx5_glue_open_device(struct ibv_device *device)
+{
+	return ibv_open_device(device);
+}
+
+static int
+mlx5_glue_close_device(struct ibv_context *context)
+{
+	return ibv_close_device(context);
+}
+
+static int
+mlx5_glue_query_device(struct ibv_context *context,
+		       struct ibv_device_attr *device_attr)
+{
+	return ibv_query_device(context, device_attr);
+}
+
+static int
+mlx5_glue_query_device_ex(struct ibv_context *context,
+			  const struct ibv_query_device_ex_input *input,
+			  struct ibv_device_attr_ex *attr)
+{
+	return ibv_query_device_ex(context, input, attr);
+}
+
+static int
+mlx5_glue_query_port(struct ibv_context *context, uint8_t port_num,
+		     struct ibv_port_attr *port_attr)
+{
+	return ibv_query_port(context, port_num, port_attr);
+}
+
+static struct ibv_comp_channel *
+mlx5_glue_create_comp_channel(struct ibv_context *context)
+{
+	return ibv_create_comp_channel(context);
+}
+
+static int
+mlx5_glue_destroy_comp_channel(struct ibv_comp_channel *channel)
+{
+	return ibv_destroy_comp_channel(channel);
+}
+
+static struct ibv_cq *
+mlx5_glue_create_cq(struct ibv_context *context, int cqe, void *cq_context,
+		    struct ibv_comp_channel *channel, int comp_vector)
+{
+	return ibv_create_cq(context, cqe, cq_context, channel, comp_vector);
+}
+
+static int
+mlx5_glue_destroy_cq(struct ibv_cq *cq)
+{
+	return ibv_destroy_cq(cq);
+}
+
+static int
+mlx5_glue_get_cq_event(struct ibv_comp_channel *channel, struct ibv_cq **cq,
+		       void **cq_context)
+{
+	return ibv_get_cq_event(channel, cq, cq_context);
+}
+
+static void
+mlx5_glue_ack_cq_events(struct ibv_cq *cq, unsigned int nevents)
+{
+	ibv_ack_cq_events(cq, nevents);
+}
+
+static struct ibv_rwq_ind_table *
+mlx5_glue_create_rwq_ind_table(struct ibv_context *context,
+			       struct ibv_rwq_ind_table_init_attr *init_attr)
+{
+	return ibv_create_rwq_ind_table(context, init_attr);
+}
+
+static int
+mlx5_glue_destroy_rwq_ind_table(struct ibv_rwq_ind_table *rwq_ind_table)
+{
+	return ibv_destroy_rwq_ind_table(rwq_ind_table);
+}
+
+static struct ibv_wq *
+mlx5_glue_create_wq(struct ibv_context *context,
+		    struct ibv_wq_init_attr *wq_init_attr)
+{
+	return ibv_create_wq(context, wq_init_attr);
+}
+
+static int
+mlx5_glue_destroy_wq(struct ibv_wq *wq)
+{
+	return ibv_destroy_wq(wq);
+}
+static int
+mlx5_glue_modify_wq(struct ibv_wq *wq, struct ibv_wq_attr *wq_attr)
+{
+	return ibv_modify_wq(wq, wq_attr);
+}
+
+static struct ibv_flow *
+mlx5_glue_create_flow(struct ibv_qp *qp, struct ibv_flow_attr *flow)
+{
+	return ibv_create_flow(qp, flow);
+}
+
+static int
+mlx5_glue_destroy_flow(struct ibv_flow *flow_id)
+{
+	return ibv_destroy_flow(flow_id);
+}
+
+static struct ibv_qp *
+mlx5_glue_create_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *qp_init_attr)
+{
+	return ibv_create_qp(pd, qp_init_attr);
+}
+
+static struct ibv_qp *
+mlx5_glue_create_qp_ex(struct ibv_context *context,
+		       struct ibv_qp_init_attr_ex *qp_init_attr_ex)
+{
+	return ibv_create_qp_ex(context, qp_init_attr_ex);
+}
+
+static int
+mlx5_glue_destroy_qp(struct ibv_qp *qp)
+{
+	return ibv_destroy_qp(qp);
+}
+
+static int
+mlx5_glue_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr, int attr_mask)
+{
+	return ibv_modify_qp(qp, attr, attr_mask);
+}
+
+static struct ibv_mr *
+mlx5_glue_reg_mr(struct ibv_pd *pd, void *addr, size_t length, int access)
+{
+	return ibv_reg_mr(pd, addr, length, access);
+}
+
+static int
+mlx5_glue_dereg_mr(struct ibv_mr *mr)
+{
+	return ibv_dereg_mr(mr);
+}
+
+static struct ibv_counter_set *
+mlx5_glue_create_counter_set(struct ibv_context *context,
+			     struct ibv_counter_set_init_attr *init_attr)
+{
+#ifndef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
+	(void)context;
+	(void)init_attr;
+	return NULL;
+#else
+	return ibv_create_counter_set(context, init_attr);
+#endif
+}
+
+static int
+mlx5_glue_destroy_counter_set(struct ibv_counter_set *cs)
+{
+#ifndef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
+	(void)cs;
+	return ENOTSUP;
+#else
+	return ibv_destroy_counter_set(cs);
+#endif
+}
+
+static int
+mlx5_glue_describe_counter_set(struct ibv_context *context,
+			       uint16_t counter_set_id,
+			       struct ibv_counter_set_description *cs_desc)
+{
+#ifndef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
+	(void)context;
+	(void)counter_set_id;
+	(void)cs_desc;
+	return ENOTSUP;
+#else
+	return ibv_describe_counter_set(context, counter_set_id, cs_desc);
+#endif
+}
+
+static int
+mlx5_glue_query_counter_set(struct ibv_query_counter_set_attr *query_attr,
+			    struct ibv_counter_set_data *cs_data)
+{
+#ifndef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
+	(void)query_attr;
+	(void)cs_data;
+	return ENOTSUP;
+#else
+	return ibv_query_counter_set(query_attr, cs_data);
+#endif
+}
+
+static void
+mlx5_glue_ack_async_event(struct ibv_async_event *event)
+{
+	ibv_ack_async_event(event);
+}
+
+static int
+mlx5_glue_get_async_event(struct ibv_context *context,
+			  struct ibv_async_event *event)
+{
+	return ibv_get_async_event(context, event);
+}
+
+static const char *
+mlx5_glue_port_state_str(enum ibv_port_state port_state)
+{
+	return ibv_port_state_str(port_state);
+}
+
+static struct ibv_cq *
+mlx5_glue_cq_ex_to_cq(struct ibv_cq_ex *cq)
+{
+	return ibv_cq_ex_to_cq(cq);
+}
+
+static struct ibv_cq_ex *
+mlx5_glue_dv_create_cq(struct ibv_context *context,
+		       struct ibv_cq_init_attr_ex *cq_attr,
+		       struct mlx5dv_cq_init_attr *mlx5_cq_attr)
+{
+	return mlx5dv_create_cq(context, cq_attr, mlx5_cq_attr);
+}
+
+static int
+mlx5_glue_dv_query_device(struct ibv_context *ctx,
+			  struct mlx5dv_context *attrs_out)
+{
+	return mlx5dv_query_device(ctx, attrs_out);
+}
+
+static int
+mlx5_glue_dv_set_context_attr(struct ibv_context *ibv_ctx,
+			      enum mlx5dv_set_ctx_attr_type type, void *attr)
+{
+	return mlx5dv_set_context_attr(ibv_ctx, type, attr);
+}
+
+static int
+mlx5_glue_dv_init_obj(struct mlx5dv_obj *obj, uint64_t obj_type)
+{
+	return mlx5dv_init_obj(obj, obj_type);
+}
+
+const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){
+	.version = MLX5_GLUE_VERSION,
+	.fork_init = mlx5_glue_fork_init,
+	.alloc_pd = mlx5_glue_alloc_pd,
+	.dealloc_pd = mlx5_glue_dealloc_pd,
+	.get_device_list = mlx5_glue_get_device_list,
+	.free_device_list = mlx5_glue_free_device_list,
+	.open_device = mlx5_glue_open_device,
+	.close_device = mlx5_glue_close_device,
+	.query_device = mlx5_glue_query_device,
+	.query_device_ex = mlx5_glue_query_device_ex,
+	.query_port = mlx5_glue_query_port,
+	.create_comp_channel = mlx5_glue_create_comp_channel,
+	.destroy_comp_channel = mlx5_glue_destroy_comp_channel,
+	.create_cq = mlx5_glue_create_cq,
+	.destroy_cq = mlx5_glue_destroy_cq,
+	.get_cq_event = mlx5_glue_get_cq_event,
+	.ack_cq_events = mlx5_glue_ack_cq_events,
+	.create_rwq_ind_table = mlx5_glue_create_rwq_ind_table,
+	.destroy_rwq_ind_table = mlx5_glue_destroy_rwq_ind_table,
+	.create_wq = mlx5_glue_create_wq,
+	.destroy_wq = mlx5_glue_destroy_wq,
+	.modify_wq = mlx5_glue_modify_wq,
+	.create_flow = mlx5_glue_create_flow,
+	.destroy_flow = mlx5_glue_destroy_flow,
+	.create_qp = mlx5_glue_create_qp,
+	.create_qp_ex = mlx5_glue_create_qp_ex,
+	.destroy_qp = mlx5_glue_destroy_qp,
+	.modify_qp = mlx5_glue_modify_qp,
+	.reg_mr = mlx5_glue_reg_mr,
+	.dereg_mr = mlx5_glue_dereg_mr,
+	.create_counter_set = mlx5_glue_create_counter_set,
+	.destroy_counter_set = mlx5_glue_destroy_counter_set,
+	.describe_counter_set = mlx5_glue_describe_counter_set,
+	.query_counter_set = mlx5_glue_query_counter_set,
+	.ack_async_event = mlx5_glue_ack_async_event,
+	.get_async_event = mlx5_glue_get_async_event,
+	.port_state_str = mlx5_glue_port_state_str,
+	.cq_ex_to_cq = mlx5_glue_cq_ex_to_cq,
+	.dv_create_cq = mlx5_glue_dv_create_cq,
+	.dv_query_device = mlx5_glue_dv_query_device,
+	.dv_set_context_attr = mlx5_glue_dv_set_context_attr,
+	.dv_init_obj = mlx5_glue_dv_init_obj,
+};