/* *------------------------------------------------------------------ * Copyright (c) 2018 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------ */ #ifndef _RDMA_H_ #define _RDMA_H_ #include <infiniband/verbs.h> #include <vlib/log.h> #include <vlib/pci/pci.h> #include <vnet/interface.h> #include <vnet/ethernet/mac_address.h> #define foreach_rdma_device_flags \ _(0, ERROR, "error") \ _(1, ADMIN_UP, "admin-up") \ _(2, LINK_UP, "link-up") \ _(3, PROMISC, "promiscuous") enum { #define _(a, b, c) RDMA_DEVICE_F_##b = (1 << a), foreach_rdma_device_flags #undef _ }; typedef struct { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); struct ibv_cq *cq; struct ibv_wq *wq; u32 *bufs; u32 size; u32 head; u32 tail; } rdma_rxq_t; typedef struct { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); clib_spinlock_t lock; struct ibv_cq *cq; struct ibv_qp *qp; u32 *bufs; u32 size; u32 head; u32 tail; } rdma_txq_t; typedef struct { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /* following fields are accessed in datapath */ rdma_rxq_t *rxqs; rdma_txq_t *txqs; u32 flags; u32 per_interface_next_index; u32 sw_if_index; u32 hw_if_index; u32 lkey; /* cache of mr->lkey */ u8 pool; /* buffer pool index */ /* fields below are not accessed in datapath */ vlib_pci_device_info_t *pci; u8 *name; u8 *linux_ifname; mac_address_t hwaddr; u32 async_event_clib_file_index; u32 dev_instance; struct ibv_context *ctx; struct ibv_pd *pd; struct ibv_mr *mr; struct ibv_qp *rx_qp; struct ibv_rwq_ind_table *rx_rwq_ind_tbl; struct ibv_flow *flow_ucast; struct ibv_flow *flow_mcast; clib_error_t *error; } rdma_device_t; typedef struct { rdma_device_t *devices; vlib_log_class_t log_class; u16 msg_id_base; } rdma_main_t; extern rdma_main_t rdma_main; typedef struct { u8 *ifname; u8 *name; u32 rxq_size; u32 txq_size; u32 rxq_num; /* return */ int rv; u32 sw_if_index; clib_error_t *error; } rdma_create_if_args_t; void rdma_create_if (vlib_main_t * vm, rdma_create_if_args_t * args); void rdma_delete_if (vlib_main_t * vm, rdma_device_t * rd); extern vlib_node_registration_t rdma_input_node; extern vnet_device_class_t rdma_device_class; format_function_t format_rdma_device; format_function_t format_rdma_device_name; format_function_t format_rdma_input_trace; unformat_function_t unformat_rdma_create_if_args; typedef struct { u32 next_index; u32 hw_if_index; } rdma_input_trace_t; #define foreach_rdma_tx_func_error \ _(NO_FREE_SLOTS, "no free tx slots") typedef enum { #define _(f,s) RDMA_TX_ERROR_##f, foreach_rdma_tx_func_error #undef _ RDMA_TX_N_ERROR, } rdma_tx_func_error_t; #endif /* AVF_H */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */