diff options
Diffstat (limited to 'include/rdma')
-rw-r--r-- | include/rdma/ib_cm.h | 34 | ||||
-rw-r--r-- | include/rdma/ib_verbs.h | 42 | ||||
-rw-r--r-- | include/rdma/rdmavt_qp.h | 22 | ||||
-rw-r--r-- | include/rdma/uverbs_std_types.h | 13 | ||||
-rw-r--r-- | include/rdma/uverbs_types.h | 34 |
5 files changed, 53 insertions, 92 deletions
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h index b01a8a8d4de9..8ec482e391aa 100644 --- a/include/rdma/ib_cm.h +++ b/include/rdma/ib_cm.h @@ -500,21 +500,6 @@ int ib_send_cm_mra(struct ib_cm_id *cm_id, u8 private_data_len); /** - * ib_send_cm_lap - Sends a load alternate path request. - * @cm_id: Connection identifier associated with the load alternate path - * message. - * @alternate_path: A path record that identifies the alternate path to - * load. - * @private_data: Optional user-defined private data sent with the - * load alternate path message. - * @private_data_len: Size of the private data buffer, in bytes. - */ -int ib_send_cm_lap(struct ib_cm_id *cm_id, - struct sa_path_rec *alternate_path, - const void *private_data, - u8 private_data_len); - -/** * ib_cm_init_qp_attr - Initializes the QP attributes for use in transitioning * to a specified QP state. * @cm_id: Communication identifier associated with the QP attributes to @@ -534,25 +519,6 @@ int ib_cm_init_qp_attr(struct ib_cm_id *cm_id, struct ib_qp_attr *qp_attr, int *qp_attr_mask); -/** - * ib_send_cm_apr - Sends an alternate path response message in response to - * a load alternate path request. - * @cm_id: Connection identifier associated with the alternate path response. - * @status: Reply status sent with the alternate path response. - * @info: Optional additional information sent with the alternate path - * response. - * @info_length: Size of the additional information, in bytes. - * @private_data: Optional user-defined private data sent with the - * alternate path response message. - * @private_data_len: Size of the private data buffer, in bytes. - */ -int ib_send_cm_apr(struct ib_cm_id *cm_id, - enum ib_cm_apr_status status, - void *info, - u8 info_length, - const void *private_data, - u8 private_data_len); - struct ib_cm_sidr_req_param { struct sa_path_rec *path; const struct ib_gid_attr *sgid_attr; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index e2cc62217cc2..1f779fad3a1e 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -72,11 +72,16 @@ #define IB_FW_VERSION_NAME_MAX ETHTOOL_FWVERS_LEN struct ib_umem_odp; +struct ib_uqp_object; +struct ib_usrq_object; +struct ib_uwq_object; extern struct workqueue_struct *ib_wq; extern struct workqueue_struct *ib_comp_wq; extern struct workqueue_struct *ib_comp_unbound_wq; +struct ib_ucq_object; + __printf(3, 4) __cold void ibdev_printk(const char *level, const struct ib_device *ibdev, const char *format, ...); @@ -1413,8 +1418,11 @@ enum ib_access_flags { IB_ZERO_BASED = IB_UVERBS_ACCESS_ZERO_BASED, IB_ACCESS_ON_DEMAND = IB_UVERBS_ACCESS_ON_DEMAND, IB_ACCESS_HUGETLB = IB_UVERBS_ACCESS_HUGETLB, + IB_ACCESS_RELAXED_ORDERING = IB_UVERBS_ACCESS_RELAXED_ORDERING, - IB_ACCESS_SUPPORTED = ((IB_ACCESS_HUGETLB << 1) - 1) + IB_ACCESS_OPTIONAL = IB_UVERBS_ACCESS_OPTIONAL_RANGE, + IB_ACCESS_SUPPORTED = + ((IB_ACCESS_HUGETLB << 1) - 1) | IB_ACCESS_OPTIONAL, }; /* @@ -1544,7 +1552,7 @@ enum ib_poll_context { struct ib_cq { struct ib_device *device; - struct ib_uobject *uobject; + struct ib_ucq_object *uobject; ib_comp_handler comp_handler; void (*event_handler)(struct ib_event *, void *); void *cq_context; @@ -1558,6 +1566,11 @@ struct ib_cq { }; struct workqueue_struct *comp_wq; struct dim *dim; + + /* updated only by trace points */ + ktime_t timestamp; + bool interrupt; + /* * Implementation details of the RDMA core, don't use in drivers: */ @@ -1567,7 +1580,7 @@ struct ib_cq { struct ib_srq { struct ib_device *device; struct ib_pd *pd; - struct ib_uobject *uobject; + struct ib_usrq_object *uobject; void (*event_handler)(struct ib_event *, void *); void *srq_context; enum ib_srq_type srq_type; @@ -1612,7 +1625,7 @@ enum ib_wq_state { struct ib_wq { struct ib_device *device; - struct ib_uobject *uobject; + struct ib_uwq_object *uobject; void *wq_context; void (*event_handler)(struct ib_event *, void *); struct ib_pd *pd; @@ -1728,7 +1741,7 @@ struct ib_qp { atomic_t usecnt; struct list_head open_list; struct ib_qp *real_qp; - struct ib_uobject *uobject; + struct ib_uqp_object *uobject; void (*event_handler)(struct ib_event *, void *); void *qp_context; /* sgid_attrs associated with the AV's */ @@ -2147,11 +2160,6 @@ struct ib_port_cache { enum ib_port_state port_state; }; -struct ib_cache { - rwlock_t lock; - struct ib_event_handler event_handler; -}; - struct ib_port_immutable { int pkey_tbl_len; int gid_tbl_len; @@ -2627,13 +2635,18 @@ struct ib_device { struct rcu_head rcu_head; struct list_head event_handler_list; - spinlock_t event_handler_lock; + /* Protects event_handler_list */ + struct rw_semaphore event_handler_rwsem; + + /* Protects QP's event_handler calls and open_qp list */ + spinlock_t qp_open_list_lock; struct rw_semaphore client_data_rwsem; struct xarray client_data; struct mutex unregistration_lock; - struct ib_cache cache; + /* Synchronize GID, Pkey cache entries, subnet prefix, LMC */ + rwlock_t cache_lock; /** * port_data is indexed by port number */ @@ -2942,7 +2955,7 @@ bool ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, void ib_register_event_handler(struct ib_event_handler *event_handler); void ib_unregister_event_handler(struct ib_event_handler *event_handler); -void ib_dispatch_event(struct ib_event *event); +void ib_dispatch_event(const struct ib_event *event); int ib_query_port(struct ib_device *device, u8 port_num, struct ib_port_attr *port_attr); @@ -4309,6 +4322,9 @@ static inline int ib_check_mr_access(int flags) !(flags & IB_ACCESS_LOCAL_WRITE)) return -EINVAL; + if (flags & ~IB_ACCESS_SUPPORTED) + return -EINVAL; + return 0; } diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index b550ae89bf85..0d5c70e2d8ab 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -640,34 +640,14 @@ static inline int rvt_cmp_msn(u32 a, u32 b) return (((int)a) - ((int)b)) << 8; } -/** - * rvt_compute_aeth - compute the AETH (syndrome + MSN) - * @qp: the queue pair to compute the AETH for - * - * Returns the AETH. - */ __be32 rvt_compute_aeth(struct rvt_qp *qp); -/** - * rvt_get_credit - flush the send work queue of a QP - * @qp: the qp who's send work queue to flush - * @aeth: the Acknowledge Extended Transport Header - * - * The QP s_lock should be held. - */ void rvt_get_credit(struct rvt_qp *qp, u32 aeth); -/** - * rvt_restart_sge - rewind the sge state for a wqe - * @ss: the sge state pointer - * @wqe: the wqe to rewind - * @len: the data length from the start of the wqe in bytes - * - * Returns the remaining data length. - */ u32 rvt_restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe, u32 len); /** + * rvt_div_round_up_mtu - round up divide * @qp - the qp pair * @len - the length * diff --git a/include/rdma/uverbs_std_types.h b/include/rdma/uverbs_std_types.h index 05eabfd5d0d3..1b28ce1aba07 100644 --- a/include/rdma/uverbs_std_types.h +++ b/include/rdma/uverbs_std_types.h @@ -104,16 +104,6 @@ static inline void uobj_put_write(struct ib_uobject *uobj) rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE); } -static inline int __must_check -uobj_alloc_commit(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs) -{ - int ret = rdma_alloc_commit_uobject(uobj, attrs); - - if (ret) - return ret; - return 0; -} - static inline void uobj_alloc_abort(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs) { @@ -124,8 +114,7 @@ static inline struct ib_uobject * __uobj_alloc(const struct uverbs_api_object *obj, struct uverbs_attr_bundle *attrs, struct ib_device **ib_dev) { - struct ib_uobject *uobj = - rdma_alloc_begin_uobject(obj, attrs->ufile, attrs); + struct ib_uobject *uobj = rdma_alloc_begin_uobject(obj, attrs); if (!IS_ERR(uobj)) *ib_dev = attrs->context->device; diff --git a/include/rdma/uverbs_types.h b/include/rdma/uverbs_types.h index d57a5ba00c74..f1cbdae67250 100644 --- a/include/rdma/uverbs_types.h +++ b/include/rdma/uverbs_types.h @@ -83,9 +83,9 @@ enum rdma_lookup_mode { */ struct uverbs_obj_type_class { struct ib_uobject *(*alloc_begin)(const struct uverbs_api_object *obj, - struct ib_uverbs_file *ufile); + struct uverbs_attr_bundle *attrs); /* This consumes the kref on uobj */ - int (*alloc_commit)(struct ib_uobject *uobj); + void (*alloc_commit)(struct ib_uobject *uobj); /* This does not consume the kref on uobj */ void (*alloc_abort)(struct ib_uobject *uobj); @@ -98,7 +98,6 @@ struct uverbs_obj_type_class { enum rdma_remove_reason why, struct uverbs_attr_bundle *attrs); void (*remove_handle)(struct ib_uobject *uobj); - u8 needs_kfree_rcu; }; struct uverbs_obj_type { @@ -138,23 +137,34 @@ struct ib_uobject *rdma_lookup_get_uobject(const struct uverbs_api_object *obj, void rdma_lookup_put_uobject(struct ib_uobject *uobj, enum rdma_lookup_mode mode); struct ib_uobject *rdma_alloc_begin_uobject(const struct uverbs_api_object *obj, - struct ib_uverbs_file *ufile, struct uverbs_attr_bundle *attrs); void rdma_alloc_abort_uobject(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs); -int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj, - struct uverbs_attr_bundle *attrs); +void rdma_alloc_commit_uobject(struct ib_uobject *uobj, + struct uverbs_attr_bundle *attrs); + +/* + * uverbs_uobject_get is called in order to increase the reference count on + * an uobject. This is useful when a handler wants to keep the uobject's memory + * alive, regardless if this uobject is still alive in the context's objects + * repository. Objects are put via uverbs_uobject_put. + */ +static inline void uverbs_uobject_get(struct ib_uobject *uobject) +{ + kref_get(&uobject->ref); +} +void uverbs_uobject_put(struct ib_uobject *uobject); struct uverbs_obj_fd_type { /* * In fd based objects, uverbs_obj_type_ops points to generic * fd operations. In order to specialize the underlying types (e.g. * completion_channel), we use fops, name and flags for fd creation. - * context_closed is called when the context is closed either when - * the driver is removed or the process terminated. + * destroy_object is called when the uobject is to be destroyed, + * because the driver is removed or the FD is closed. */ struct uverbs_obj_type type; - int (*context_closed)(struct ib_uobject *uobj, + int (*destroy_object)(struct ib_uobject *uobj, enum rdma_remove_reason why); const struct file_operations *fops; const char *name; @@ -163,11 +173,11 @@ struct uverbs_obj_fd_type { extern const struct uverbs_obj_type_class uverbs_idr_class; extern const struct uverbs_obj_type_class uverbs_fd_class; -void uverbs_close_fd(struct file *f); +int uverbs_uobject_fd_release(struct inode *inode, struct file *filp); #define UVERBS_BUILD_BUG_ON(cond) (sizeof(char[1 - 2 * !!(cond)]) - \ sizeof(char)) -#define UVERBS_TYPE_ALLOC_FD(_obj_size, _context_closed, _fops, _name, _flags)\ +#define UVERBS_TYPE_ALLOC_FD(_obj_size, _destroy_object, _fops, _name, _flags) \ ((&((const struct uverbs_obj_fd_type) \ {.type = { \ .type_class = &uverbs_fd_class, \ @@ -175,7 +185,7 @@ void uverbs_close_fd(struct file *f); UVERBS_BUILD_BUG_ON((_obj_size) < \ sizeof(struct ib_uobject)), \ }, \ - .context_closed = _context_closed, \ + .destroy_object = _destroy_object, \ .fops = _fops, \ .name = _name, \ .flags = _flags}))->type) |