forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
407 lines
12 KiB
407 lines
12 KiB
/* |
|
* Copyright (c) 2004 Topspin Communications. 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 _CORE_PRIV_H |
|
#define _CORE_PRIV_H |
|
|
|
#include <linux/list.h> |
|
#include <linux/spinlock.h> |
|
#include <linux/cgroup_rdma.h> |
|
#include <net/net_namespace.h> |
|
#include <net/netns/generic.h> |
|
|
|
#include <rdma/ib_verbs.h> |
|
#include <rdma/opa_addr.h> |
|
#include <rdma/ib_mad.h> |
|
#include <rdma/restrack.h> |
|
#include "mad_priv.h" |
|
#include "restrack.h" |
|
|
|
/* Total number of ports combined across all struct ib_devices's */ |
|
#define RDMA_MAX_PORTS 8192 |
|
|
|
struct pkey_index_qp_list { |
|
struct list_head pkey_index_list; |
|
u16 pkey_index; |
|
/* Lock to hold while iterating the qp_list. */ |
|
spinlock_t qp_list_lock; |
|
struct list_head qp_list; |
|
}; |
|
|
|
/** |
|
* struct rdma_dev_net - rdma net namespace metadata for a net |
|
* @nl_sock: Pointer to netlink socket |
|
* @net: Pointer to owner net namespace |
|
* @id: xarray id to identify the net namespace. |
|
*/ |
|
struct rdma_dev_net { |
|
struct sock *nl_sock; |
|
possible_net_t net; |
|
u32 id; |
|
}; |
|
|
|
extern const struct attribute_group ib_dev_attr_group; |
|
extern bool ib_devices_shared_netns; |
|
extern unsigned int rdma_dev_net_id; |
|
|
|
static inline struct rdma_dev_net *rdma_net_to_dev_net(struct net *net) |
|
{ |
|
return net_generic(net, rdma_dev_net_id); |
|
} |
|
|
|
int ib_device_register_sysfs(struct ib_device *device); |
|
void ib_device_unregister_sysfs(struct ib_device *device); |
|
int ib_device_rename(struct ib_device *ibdev, const char *name); |
|
int ib_device_set_dim(struct ib_device *ibdev, u8 use_dim); |
|
|
|
typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port, |
|
struct net_device *idev, void *cookie); |
|
|
|
typedef bool (*roce_netdev_filter)(struct ib_device *device, u8 port, |
|
struct net_device *idev, void *cookie); |
|
|
|
struct net_device *ib_device_get_netdev(struct ib_device *ib_dev, |
|
unsigned int port); |
|
|
|
void ib_enum_roce_netdev(struct ib_device *ib_dev, |
|
roce_netdev_filter filter, |
|
void *filter_cookie, |
|
roce_netdev_callback cb, |
|
void *cookie); |
|
void ib_enum_all_roce_netdevs(roce_netdev_filter filter, |
|
void *filter_cookie, |
|
roce_netdev_callback cb, |
|
void *cookie); |
|
|
|
typedef int (*nldev_callback)(struct ib_device *device, |
|
struct sk_buff *skb, |
|
struct netlink_callback *cb, |
|
unsigned int idx); |
|
|
|
int ib_enum_all_devs(nldev_callback nldev_cb, struct sk_buff *skb, |
|
struct netlink_callback *cb); |
|
|
|
struct ib_client_nl_info { |
|
struct sk_buff *nl_msg; |
|
struct device *cdev; |
|
unsigned int port; |
|
u64 abi; |
|
}; |
|
int ib_get_client_nl_info(struct ib_device *ibdev, const char *client_name, |
|
struct ib_client_nl_info *res); |
|
|
|
enum ib_cache_gid_default_mode { |
|
IB_CACHE_GID_DEFAULT_MODE_SET, |
|
IB_CACHE_GID_DEFAULT_MODE_DELETE |
|
}; |
|
|
|
int ib_cache_gid_parse_type_str(const char *buf); |
|
|
|
const char *ib_cache_gid_type_str(enum ib_gid_type gid_type); |
|
|
|
void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port, |
|
struct net_device *ndev, |
|
unsigned long gid_type_mask, |
|
enum ib_cache_gid_default_mode mode); |
|
|
|
int ib_cache_gid_add(struct ib_device *ib_dev, u8 port, |
|
union ib_gid *gid, struct ib_gid_attr *attr); |
|
|
|
int ib_cache_gid_del(struct ib_device *ib_dev, u8 port, |
|
union ib_gid *gid, struct ib_gid_attr *attr); |
|
|
|
int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port, |
|
struct net_device *ndev); |
|
|
|
int roce_gid_mgmt_init(void); |
|
void roce_gid_mgmt_cleanup(void); |
|
|
|
unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port); |
|
|
|
int ib_cache_setup_one(struct ib_device *device); |
|
void ib_cache_cleanup_one(struct ib_device *device); |
|
void ib_cache_release_one(struct ib_device *device); |
|
void ib_dispatch_event_clients(struct ib_event *event); |
|
|
|
#ifdef CONFIG_CGROUP_RDMA |
|
void ib_device_register_rdmacg(struct ib_device *device); |
|
void ib_device_unregister_rdmacg(struct ib_device *device); |
|
|
|
int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj, |
|
struct ib_device *device, |
|
enum rdmacg_resource_type resource_index); |
|
|
|
void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj, |
|
struct ib_device *device, |
|
enum rdmacg_resource_type resource_index); |
|
#else |
|
static inline void ib_device_register_rdmacg(struct ib_device *device) |
|
{ |
|
} |
|
|
|
static inline void ib_device_unregister_rdmacg(struct ib_device *device) |
|
{ |
|
} |
|
|
|
static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj, |
|
struct ib_device *device, |
|
enum rdmacg_resource_type resource_index) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj, |
|
struct ib_device *device, |
|
enum rdmacg_resource_type resource_index) |
|
{ |
|
} |
|
#endif |
|
|
|
static inline bool rdma_is_upper_dev_rcu(struct net_device *dev, |
|
struct net_device *upper) |
|
{ |
|
return netdev_has_upper_dev_all_rcu(dev, upper); |
|
} |
|
|
|
int addr_init(void); |
|
void addr_cleanup(void); |
|
|
|
int ib_mad_init(void); |
|
void ib_mad_cleanup(void); |
|
|
|
int ib_sa_init(void); |
|
void ib_sa_cleanup(void); |
|
|
|
void rdma_nl_init(void); |
|
void rdma_nl_exit(void); |
|
|
|
int ib_nl_handle_resolve_resp(struct sk_buff *skb, |
|
struct nlmsghdr *nlh, |
|
struct netlink_ext_ack *extack); |
|
int ib_nl_handle_set_timeout(struct sk_buff *skb, |
|
struct nlmsghdr *nlh, |
|
struct netlink_ext_ack *extack); |
|
int ib_nl_handle_ip_res_resp(struct sk_buff *skb, |
|
struct nlmsghdr *nlh, |
|
struct netlink_ext_ack *extack); |
|
|
|
int ib_get_cached_subnet_prefix(struct ib_device *device, |
|
u8 port_num, |
|
u64 *sn_pfx); |
|
|
|
#ifdef CONFIG_SECURITY_INFINIBAND |
|
void ib_security_release_port_pkey_list(struct ib_device *device); |
|
|
|
void ib_security_cache_change(struct ib_device *device, |
|
u8 port_num, |
|
u64 subnet_prefix); |
|
|
|
int ib_security_modify_qp(struct ib_qp *qp, |
|
struct ib_qp_attr *qp_attr, |
|
int qp_attr_mask, |
|
struct ib_udata *udata); |
|
|
|
int ib_create_qp_security(struct ib_qp *qp, struct ib_device *dev); |
|
void ib_destroy_qp_security_begin(struct ib_qp_security *sec); |
|
void ib_destroy_qp_security_abort(struct ib_qp_security *sec); |
|
void ib_destroy_qp_security_end(struct ib_qp_security *sec); |
|
int ib_open_shared_qp_security(struct ib_qp *qp, struct ib_device *dev); |
|
void ib_close_shared_qp_security(struct ib_qp_security *sec); |
|
int ib_mad_agent_security_setup(struct ib_mad_agent *agent, |
|
enum ib_qp_type qp_type); |
|
void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent); |
|
int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index); |
|
void ib_mad_agent_security_change(void); |
|
#else |
|
static inline void ib_security_release_port_pkey_list(struct ib_device *device) |
|
{ |
|
} |
|
|
|
static inline void ib_security_cache_change(struct ib_device *device, |
|
u8 port_num, |
|
u64 subnet_prefix) |
|
{ |
|
} |
|
|
|
static inline int ib_security_modify_qp(struct ib_qp *qp, |
|
struct ib_qp_attr *qp_attr, |
|
int qp_attr_mask, |
|
struct ib_udata *udata) |
|
{ |
|
return qp->device->ops.modify_qp(qp->real_qp, |
|
qp_attr, |
|
qp_attr_mask, |
|
udata); |
|
} |
|
|
|
static inline int ib_create_qp_security(struct ib_qp *qp, |
|
struct ib_device *dev) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void ib_destroy_qp_security_begin(struct ib_qp_security *sec) |
|
{ |
|
} |
|
|
|
static inline void ib_destroy_qp_security_abort(struct ib_qp_security *sec) |
|
{ |
|
} |
|
|
|
static inline void ib_destroy_qp_security_end(struct ib_qp_security *sec) |
|
{ |
|
} |
|
|
|
static inline int ib_open_shared_qp_security(struct ib_qp *qp, |
|
struct ib_device *dev) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void ib_close_shared_qp_security(struct ib_qp_security *sec) |
|
{ |
|
} |
|
|
|
static inline int ib_mad_agent_security_setup(struct ib_mad_agent *agent, |
|
enum ib_qp_type qp_type) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent) |
|
{ |
|
} |
|
|
|
static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map, |
|
u16 pkey_index) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void ib_mad_agent_security_change(void) |
|
{ |
|
} |
|
#endif |
|
|
|
struct ib_device *ib_device_get_by_index(const struct net *net, u32 index); |
|
|
|
/* RDMA device netlink */ |
|
void nldev_init(void); |
|
void nldev_exit(void); |
|
|
|
static inline struct ib_qp * |
|
_ib_create_qp(struct ib_device *dev, struct ib_pd *pd, |
|
struct ib_qp_init_attr *attr, struct ib_udata *udata, |
|
struct ib_uqp_object *uobj, const char *caller) |
|
{ |
|
struct ib_qp *qp; |
|
|
|
if (!dev->ops.create_qp) |
|
return ERR_PTR(-EOPNOTSUPP); |
|
|
|
qp = dev->ops.create_qp(pd, attr, udata); |
|
if (IS_ERR(qp)) |
|
return qp; |
|
|
|
qp->device = dev; |
|
qp->pd = pd; |
|
qp->uobject = uobj; |
|
qp->real_qp = qp; |
|
|
|
qp->qp_type = attr->qp_type; |
|
qp->rwq_ind_tbl = attr->rwq_ind_tbl; |
|
qp->send_cq = attr->send_cq; |
|
qp->recv_cq = attr->recv_cq; |
|
qp->srq = attr->srq; |
|
qp->rwq_ind_tbl = attr->rwq_ind_tbl; |
|
qp->event_handler = attr->event_handler; |
|
qp->port = attr->port_num; |
|
|
|
atomic_set(&qp->usecnt, 0); |
|
spin_lock_init(&qp->mr_lock); |
|
INIT_LIST_HEAD(&qp->rdma_mrs); |
|
INIT_LIST_HEAD(&qp->sig_mrs); |
|
|
|
rdma_restrack_new(&qp->res, RDMA_RESTRACK_QP); |
|
WARN_ONCE(!udata && !caller, "Missing kernel QP owner"); |
|
rdma_restrack_set_name(&qp->res, udata ? NULL : caller); |
|
rdma_restrack_add(&qp->res); |
|
return qp; |
|
} |
|
|
|
struct rdma_dev_addr; |
|
int rdma_resolve_ip_route(struct sockaddr *src_addr, |
|
const struct sockaddr *dst_addr, |
|
struct rdma_dev_addr *addr); |
|
|
|
int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid, |
|
const union ib_gid *dgid, |
|
u8 *dmac, const struct ib_gid_attr *sgid_attr, |
|
int *hoplimit); |
|
void rdma_copy_src_l2_addr(struct rdma_dev_addr *dev_addr, |
|
const struct net_device *dev); |
|
|
|
struct sa_path_rec; |
|
int roce_resolve_route_from_path(struct sa_path_rec *rec, |
|
const struct ib_gid_attr *attr); |
|
|
|
struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr); |
|
|
|
void ib_free_port_attrs(struct ib_core_device *coredev); |
|
int ib_setup_port_attrs(struct ib_core_device *coredev); |
|
|
|
int rdma_compatdev_set(u8 enable); |
|
|
|
int ib_port_register_module_stat(struct ib_device *device, u8 port_num, |
|
struct kobject *kobj, struct kobj_type *ktype, |
|
const char *name); |
|
void ib_port_unregister_module_stat(struct kobject *kobj); |
|
|
|
int ib_device_set_netns_put(struct sk_buff *skb, |
|
struct ib_device *dev, u32 ns_fd); |
|
|
|
int rdma_nl_net_init(struct rdma_dev_net *rnet); |
|
void rdma_nl_net_exit(struct rdma_dev_net *rnet); |
|
|
|
struct rdma_umap_priv { |
|
struct vm_area_struct *vma; |
|
struct list_head list; |
|
struct rdma_user_mmap_entry *entry; |
|
}; |
|
|
|
void rdma_umap_priv_init(struct rdma_umap_priv *priv, |
|
struct vm_area_struct *vma, |
|
struct rdma_user_mmap_entry *entry); |
|
|
|
void ib_cq_pool_cleanup(struct ib_device *dev); |
|
|
|
#endif /* _CORE_PRIV_H */
|
|
|