update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / spdk / dpdk / drivers / common / mlx5 / mlx5_common_mp.h

diff --git a/ceph/src/spdk/dpdk/drivers/common/mlx5/mlx5_common_mp.h b/ceph/src/spdk/dpdk/drivers/common/mlx5/mlx5_common_mp.h
new file mode 100644 (file)
index 0000000..05466fd
--- /dev/null
+++ b/ceph/src/spdk/dpdk/drivers/common/mlx5/mlx5_common_mp.h
@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 6WIND S.A.
+ * Copyright 2018 Mellanox Technologies, Ltd
+ */
+
+#ifndef RTE_PMD_MLX5_COMMON_MP_H_
+#define RTE_PMD_MLX5_COMMON_MP_H_
+
+/* Verbs header. */
+/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
+#ifdef PEDANTIC
+#pragma GCC diagnostic ignored "-Wpedantic"
+#endif
+#include <infiniband/verbs.h>
+#ifdef PEDANTIC
+#pragma GCC diagnostic error "-Wpedantic"
+#endif
+
+#include <rte_eal.h>
+#include <rte_string_fns.h>
+
+/* Request types for IPC. */
+enum mlx5_mp_req_type {
+       MLX5_MP_REQ_VERBS_CMD_FD = 1,
+       MLX5_MP_REQ_CREATE_MR,
+       MLX5_MP_REQ_START_RXTX,
+       MLX5_MP_REQ_STOP_RXTX,
+       MLX5_MP_REQ_QUEUE_STATE_MODIFY,
+};
+
+struct mlx5_mp_arg_queue_state_modify {
+       uint8_t is_wq; /* Set if WQ. */
+       uint16_t queue_id; /* DPDK queue ID. */
+       enum ibv_wq_state state; /* WQ requested state. */
+};
+
+/* Pameters for IPC. */
+struct mlx5_mp_param {
+       enum mlx5_mp_req_type type;
+       int port_id;
+       int result;
+       RTE_STD_C11
+       union {
+               uintptr_t addr; /* MLX5_MP_REQ_CREATE_MR */
+               struct mlx5_mp_arg_queue_state_modify state_modify;
+               /* MLX5_MP_REQ_QUEUE_STATE_MODIFY */
+       } args;
+};
+
+/*  Identifier of a MP process */
+struct mlx5_mp_id {
+       char name[RTE_MP_MAX_NAME_LEN];
+       uint16_t port_id;
+};
+
+/** Request timeout for IPC. */
+#define MLX5_MP_REQ_TIMEOUT_SEC 5
+
+/**
+ * Initialize IPC message.
+ *
+ * @param[in] port_id
+ *   Port ID of the device.
+ * @param[out] msg
+ *   Pointer to message to fill in.
+ * @param[in] type
+ *   Message type.
+ */
+static inline void
+mp_init_msg(struct mlx5_mp_id *mp_id, struct rte_mp_msg *msg,
+           enum mlx5_mp_req_type type)
+{
+       struct mlx5_mp_param *param = (struct mlx5_mp_param *)msg->param;
+
+       memset(msg, 0, sizeof(*msg));
+       strlcpy(msg->name, mp_id->name, sizeof(msg->name));
+       msg->len_param = sizeof(*param);
+       param->type = type;
+       param->port_id = mp_id->port_id;
+}
+
+__rte_internal
+int mlx5_mp_init_primary(const char *name, const rte_mp_t primary_action);
+__rte_internal
+void mlx5_mp_uninit_primary(const char *name);
+__rte_internal
+int mlx5_mp_init_secondary(const char *name, const rte_mp_t secondary_action);
+__rte_internal
+void mlx5_mp_uninit_secondary(const char *name);
+__rte_internal
+int mlx5_mp_req_mr_create(struct mlx5_mp_id *mp_id, uintptr_t addr);
+__rte_internal
+int mlx5_mp_req_queue_state_modify(struct mlx5_mp_id *mp_id,
+                                  struct mlx5_mp_arg_queue_state_modify *sm);
+__rte_internal
+int mlx5_mp_req_verbs_cmd_fd(struct mlx5_mp_id *mp_id);
+
+#endif /* RTE_PMD_MLX5_COMMON_MP_H_ */