377 lines
11 KiB
C
377 lines
11 KiB
C
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/*
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* Copyright (c) 2004 Topspin Communications. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _CORE_PRIV_H
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#define _CORE_PRIV_H
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#include <linux/list.h>
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#include <linux/spinlock.h>
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#include <linux/cgroup_rdma.h>
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#include <net/net_namespace.h>
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#include <net/netns/generic.h>
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#include <rdma/ib_verbs.h>
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#include <rdma/opa_addr.h>
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#include <rdma/ib_mad.h>
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#include <rdma/restrack.h>
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#include "mad_priv.h"
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#include "restrack.h"
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/* Total number of ports combined across all struct ib_devices's */
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#define RDMA_MAX_PORTS 8192
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struct pkey_index_qp_list {
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struct list_head pkey_index_list;
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u16 pkey_index;
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/* Lock to hold while iterating the qp_list. */
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spinlock_t qp_list_lock;
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struct list_head qp_list;
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};
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/**
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* struct rdma_dev_net - rdma net namespace metadata for a net
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* @nl_sock: Pointer to netlink socket
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* @net: Pointer to owner net namespace
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* @id: xarray id to identify the net namespace.
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*/
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struct rdma_dev_net {
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struct sock *nl_sock;
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possible_net_t net;
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u32 id;
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};
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extern const struct attribute_group ib_dev_attr_group;
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extern bool ib_devices_shared_netns;
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extern unsigned int rdma_dev_net_id;
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static inline struct rdma_dev_net *rdma_net_to_dev_net(struct net *net)
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{
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return net_generic(net, rdma_dev_net_id);
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}
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int ib_device_rename(struct ib_device *ibdev, const char *name);
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int ib_device_set_dim(struct ib_device *ibdev, u8 use_dim);
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typedef void (*roce_netdev_callback)(struct ib_device *device, u32 port,
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struct net_device *idev, void *cookie);
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typedef bool (*roce_netdev_filter)(struct ib_device *device, u32 port,
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struct net_device *idev, void *cookie);
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struct net_device *ib_device_get_netdev(struct ib_device *ib_dev,
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u32 port);
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void ib_enum_roce_netdev(struct ib_device *ib_dev,
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roce_netdev_filter filter,
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void *filter_cookie,
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roce_netdev_callback cb,
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void *cookie);
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void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
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void *filter_cookie,
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roce_netdev_callback cb,
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void *cookie);
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typedef int (*nldev_callback)(struct ib_device *device,
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struct sk_buff *skb,
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struct netlink_callback *cb,
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unsigned int idx);
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int ib_enum_all_devs(nldev_callback nldev_cb, struct sk_buff *skb,
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struct netlink_callback *cb);
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struct ib_client_nl_info {
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struct sk_buff *nl_msg;
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struct device *cdev;
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u32 port;
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u64 abi;
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};
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int ib_get_client_nl_info(struct ib_device *ibdev, const char *client_name,
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struct ib_client_nl_info *res);
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enum ib_cache_gid_default_mode {
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IB_CACHE_GID_DEFAULT_MODE_SET,
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IB_CACHE_GID_DEFAULT_MODE_DELETE
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};
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int ib_cache_gid_parse_type_str(const char *buf);
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const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
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void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u32 port,
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struct net_device *ndev,
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unsigned long gid_type_mask,
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enum ib_cache_gid_default_mode mode);
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int ib_cache_gid_add(struct ib_device *ib_dev, u32 port,
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union ib_gid *gid, struct ib_gid_attr *attr);
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int ib_cache_gid_del(struct ib_device *ib_dev, u32 port,
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union ib_gid *gid, struct ib_gid_attr *attr);
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int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u32 port,
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struct net_device *ndev);
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int roce_gid_mgmt_init(void);
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void roce_gid_mgmt_cleanup(void);
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unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u32 port);
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int ib_cache_setup_one(struct ib_device *device);
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void ib_cache_cleanup_one(struct ib_device *device);
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void ib_cache_release_one(struct ib_device *device);
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void ib_dispatch_event_clients(struct ib_event *event);
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#ifdef CONFIG_CGROUP_RDMA
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void ib_device_register_rdmacg(struct ib_device *device);
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void ib_device_unregister_rdmacg(struct ib_device *device);
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int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
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struct ib_device *device,
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enum rdmacg_resource_type resource_index);
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void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
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struct ib_device *device,
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enum rdmacg_resource_type resource_index);
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#else
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static inline void ib_device_register_rdmacg(struct ib_device *device)
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{
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}
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static inline void ib_device_unregister_rdmacg(struct ib_device *device)
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{
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}
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static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
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struct ib_device *device,
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enum rdmacg_resource_type resource_index)
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{
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return 0;
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}
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static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
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struct ib_device *device,
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enum rdmacg_resource_type resource_index)
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{
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}
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#endif
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static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
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struct net_device *upper)
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{
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return netdev_has_upper_dev_all_rcu(dev, upper);
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}
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int addr_init(void);
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void addr_cleanup(void);
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int ib_mad_init(void);
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void ib_mad_cleanup(void);
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int ib_sa_init(void);
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void ib_sa_cleanup(void);
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void rdma_nl_init(void);
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void rdma_nl_exit(void);
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int ib_nl_handle_resolve_resp(struct sk_buff *skb,
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struct nlmsghdr *nlh,
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struct netlink_ext_ack *extack);
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int ib_nl_handle_set_timeout(struct sk_buff *skb,
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struct nlmsghdr *nlh,
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struct netlink_ext_ack *extack);
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int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
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struct nlmsghdr *nlh,
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struct netlink_ext_ack *extack);
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void ib_get_cached_subnet_prefix(struct ib_device *device,
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u32 port_num,
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u64 *sn_pfx);
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#ifdef CONFIG_SECURITY_INFINIBAND
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void ib_security_release_port_pkey_list(struct ib_device *device);
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void ib_security_cache_change(struct ib_device *device,
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u32 port_num,
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u64 subnet_prefix);
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int ib_security_modify_qp(struct ib_qp *qp,
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struct ib_qp_attr *qp_attr,
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int qp_attr_mask,
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struct ib_udata *udata);
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int ib_create_qp_security(struct ib_qp *qp, struct ib_device *dev);
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void ib_destroy_qp_security_begin(struct ib_qp_security *sec);
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void ib_destroy_qp_security_abort(struct ib_qp_security *sec);
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void ib_destroy_qp_security_end(struct ib_qp_security *sec);
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int ib_open_shared_qp_security(struct ib_qp *qp, struct ib_device *dev);
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void ib_close_shared_qp_security(struct ib_qp_security *sec);
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int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
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enum ib_qp_type qp_type);
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void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent);
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int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index);
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void ib_mad_agent_security_change(void);
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#else
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static inline void ib_security_release_port_pkey_list(struct ib_device *device)
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{
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}
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static inline void ib_security_cache_change(struct ib_device *device,
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u32 port_num,
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u64 subnet_prefix)
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{
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}
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static inline int ib_security_modify_qp(struct ib_qp *qp,
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struct ib_qp_attr *qp_attr,
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int qp_attr_mask,
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struct ib_udata *udata)
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{
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return qp->device->ops.modify_qp(qp->real_qp,
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qp_attr,
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qp_attr_mask,
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udata);
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}
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static inline int ib_create_qp_security(struct ib_qp *qp,
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struct ib_device *dev)
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{
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return 0;
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}
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static inline void ib_destroy_qp_security_begin(struct ib_qp_security *sec)
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{
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}
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static inline void ib_destroy_qp_security_abort(struct ib_qp_security *sec)
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{
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}
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static inline void ib_destroy_qp_security_end(struct ib_qp_security *sec)
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{
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}
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static inline int ib_open_shared_qp_security(struct ib_qp *qp,
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struct ib_device *dev)
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{
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return 0;
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}
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static inline void ib_close_shared_qp_security(struct ib_qp_security *sec)
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{
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}
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static inline int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
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enum ib_qp_type qp_type)
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{
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return 0;
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}
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static inline void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
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{
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}
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static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map,
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u16 pkey_index)
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{
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return 0;
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}
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static inline void ib_mad_agent_security_change(void)
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{
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}
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#endif
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struct ib_device *ib_device_get_by_index(const struct net *net, u32 index);
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/* RDMA device netlink */
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void nldev_init(void);
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void nldev_exit(void);
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struct ib_qp *ib_create_qp_user(struct ib_device *dev, struct ib_pd *pd,
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struct ib_qp_init_attr *attr,
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struct ib_udata *udata,
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struct ib_uqp_object *uobj, const char *caller);
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void ib_qp_usecnt_inc(struct ib_qp *qp);
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void ib_qp_usecnt_dec(struct ib_qp *qp);
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struct rdma_dev_addr;
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int rdma_resolve_ip_route(struct sockaddr *src_addr,
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const struct sockaddr *dst_addr,
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struct rdma_dev_addr *addr);
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int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid,
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const union ib_gid *dgid,
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u8 *dmac, const struct ib_gid_attr *sgid_attr,
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int *hoplimit);
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void rdma_copy_src_l2_addr(struct rdma_dev_addr *dev_addr,
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const struct net_device *dev);
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struct sa_path_rec;
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int roce_resolve_route_from_path(struct sa_path_rec *rec,
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const struct ib_gid_attr *attr);
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struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr);
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void ib_free_port_attrs(struct ib_core_device *coredev);
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int ib_setup_port_attrs(struct ib_core_device *coredev);
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struct rdma_hw_stats *ib_get_hw_stats_port(struct ib_device *ibdev, u32 port_num);
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void ib_device_release_hw_stats(struct hw_stats_device_data *data);
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int ib_setup_device_attrs(struct ib_device *ibdev);
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int rdma_compatdev_set(u8 enable);
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int ib_port_register_client_groups(struct ib_device *ibdev, u32 port_num,
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const struct attribute_group **groups);
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void ib_port_unregister_client_groups(struct ib_device *ibdev, u32 port_num,
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const struct attribute_group **groups);
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int ib_device_set_netns_put(struct sk_buff *skb,
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struct ib_device *dev, u32 ns_fd);
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||
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int rdma_nl_net_init(struct rdma_dev_net *rnet);
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void rdma_nl_net_exit(struct rdma_dev_net *rnet);
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struct rdma_umap_priv {
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||
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struct vm_area_struct *vma;
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||
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struct list_head list;
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||
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struct rdma_user_mmap_entry *entry;
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||
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};
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||
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||
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void rdma_umap_priv_init(struct rdma_umap_priv *priv,
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||
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struct vm_area_struct *vma,
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||
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|
struct rdma_user_mmap_entry *entry);
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||
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||
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void ib_cq_pool_cleanup(struct ib_device *dev);
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||
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||
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#endif /* _CORE_PRIV_H */
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