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Diffstat (limited to 'drivers/infiniband/core/cma_priv.h')
| -rw-r--r-- | drivers/infiniband/core/cma_priv.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cma_priv.h b/drivers/infiniband/core/cma_priv.h new file mode 100644 index 000000000..b53f4fa5e --- /dev/null +++ b/drivers/infiniband/core/cma_priv.h @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2005 Voltaire Inc. All rights reserved. + * Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved. + * Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved. + * Copyright (c) 2005-2006 Intel Corporation. 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 _CMA_PRIV_H +#define _CMA_PRIV_H + +enum rdma_cm_state { + RDMA_CM_IDLE, + RDMA_CM_ADDR_QUERY, + RDMA_CM_ADDR_RESOLVED, + RDMA_CM_ROUTE_QUERY, + RDMA_CM_ROUTE_RESOLVED, + RDMA_CM_CONNECT, + RDMA_CM_DISCONNECT, + RDMA_CM_ADDR_BOUND, + RDMA_CM_LISTEN, + RDMA_CM_DEVICE_REMOVAL, + RDMA_CM_DESTROYING +}; + +struct rdma_id_private { + struct rdma_cm_id id; + + struct rdma_bind_list *bind_list; + struct hlist_node node; + struct list_head list; /* listen_any_list or cma_device.list */ + struct list_head listen_list; /* per device listens */ + struct cma_device *cma_dev; + struct list_head mc_list; + + int internal_id; + enum rdma_cm_state state; + spinlock_t lock; + struct mutex qp_mutex; + + struct completion comp; + refcount_t refcount; + struct mutex handler_mutex; + + int backlog; + int timeout_ms; + struct ib_sa_query *query; + int query_id; + union { + struct ib_cm_id *ib; + struct iw_cm_id *iw; + } cm_id; + + u32 seq_num; + u32 qkey; + u32 qp_num; + u32 options; + u8 srq; + u8 tos; + u8 tos_set:1; + u8 timeout_set:1; + u8 reuseaddr; + u8 afonly; + u8 timeout; + u8 used_resolve_ip; + enum ib_gid_type gid_type; + + /* + * Internal to RDMA/core, don't use in the drivers + */ + struct rdma_restrack_entry res; + struct rdma_ucm_ece ece; +}; + +#if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS) +int cma_configfs_init(void); +void cma_configfs_exit(void); +#else +static inline int cma_configfs_init(void) +{ + return 0; +} + +static inline void cma_configfs_exit(void) +{ +} +#endif + +void cma_dev_get(struct cma_device *dev); +void cma_dev_put(struct cma_device *dev); +typedef bool (*cma_device_filter)(struct ib_device *, void *); +struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter, + void *cookie); +int cma_get_default_gid_type(struct cma_device *dev, unsigned int port); +int cma_set_default_gid_type(struct cma_device *dev, unsigned int port, + enum ib_gid_type default_gid_type); +int cma_get_default_roce_tos(struct cma_device *dev, unsigned int port); +int cma_set_default_roce_tos(struct cma_device *dev, unsigned int port, + u8 default_roce_tos); +struct ib_device *cma_get_ib_dev(struct cma_device *dev); + +#endif /* _CMA_PRIV_H */ |