| /* |
| * Copyright (c) 2017, Mellanox Technologies inc. 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 _UVERBS_STD_TYPES__ |
| #define _UVERBS_STD_TYPES__ |
| |
| #include <rdma/uverbs_types.h> |
| #include <rdma/uverbs_ioctl.h> |
| #include <rdma/ib_user_ioctl_verbs.h> |
| |
| /* Returns _id, or causes a compile error if _id is not a u32. |
| * |
| * The uobj APIs should only be used with the write based uAPI to access |
| * object IDs. The write API must use a u32 for the object handle, which is |
| * checked by this macro. |
| */ |
| #define _uobj_check_id(_id) ((_id) * typecheck(u32, _id)) |
| |
| #define uobj_get_type(_attrs, _object) \ |
| uapi_get_object((_attrs)->ufile->device->uapi, _object) |
| |
| #define uobj_get_read(_type, _id, _attrs) \ |
| rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \ |
| _uobj_check_id(_id), UVERBS_LOOKUP_READ, \ |
| _attrs) |
| |
| #define ufd_get_read(_type, _fdnum, _attrs) \ |
| rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \ |
| (_fdnum)*typecheck(s32, _fdnum), \ |
| UVERBS_LOOKUP_READ, _attrs) |
| |
| static inline void *_uobj_get_obj_read(struct ib_uobject *uobj) |
| { |
| if (IS_ERR(uobj)) |
| return NULL; |
| return uobj->object; |
| } |
| #define uobj_get_obj_read(_object, _type, _id, _attrs) \ |
| ((struct ib_##_object *)_uobj_get_obj_read( \ |
| uobj_get_read(_type, _id, _attrs))) |
| |
| #define uobj_get_write(_type, _id, _attrs) \ |
| rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \ |
| _uobj_check_id(_id), UVERBS_LOOKUP_WRITE, \ |
| _attrs) |
| |
| int __uobj_perform_destroy(const struct uverbs_api_object *obj, u32 id, |
| struct uverbs_attr_bundle *attrs); |
| #define uobj_perform_destroy(_type, _id, _attrs) \ |
| __uobj_perform_destroy(uobj_get_type(_attrs, _type), \ |
| _uobj_check_id(_id), _attrs) |
| |
| struct ib_uobject *__uobj_get_destroy(const struct uverbs_api_object *obj, |
| u32 id, struct uverbs_attr_bundle *attrs); |
| |
| #define uobj_get_destroy(_type, _id, _attrs) \ |
| __uobj_get_destroy(uobj_get_type(_attrs, _type), _uobj_check_id(_id), \ |
| _attrs) |
| |
| static inline void uobj_put_destroy(struct ib_uobject *uobj) |
| { |
| rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_DESTROY); |
| } |
| |
| static inline void uobj_put_read(struct ib_uobject *uobj) |
| { |
| rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_READ); |
| } |
| |
| #define uobj_put_obj_read(_obj) \ |
| uobj_put_read((_obj)->uobject) |
| |
| 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) |
| { |
| rdma_alloc_abort_uobject(uobj, attrs); |
| } |
| |
| 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); |
| |
| if (!IS_ERR(uobj)) |
| *ib_dev = attrs->context->device; |
| return uobj; |
| } |
| |
| #define uobj_alloc(_type, _attrs, _ib_dev) \ |
| __uobj_alloc(uobj_get_type(_attrs, _type), _attrs, _ib_dev) |
| |
| static inline void uverbs_flow_action_fill_action(struct ib_flow_action *action, |
| struct ib_uobject *uobj, |
| struct ib_device *ib_dev, |
| enum ib_flow_action_type type) |
| { |
| atomic_set(&action->usecnt, 0); |
| action->device = ib_dev; |
| action->type = type; |
| action->uobject = uobj; |
| uobj->object = action; |
| } |
| |
| struct ib_uflow_resources { |
| size_t max; |
| size_t num; |
| size_t collection_num; |
| size_t counters_num; |
| struct ib_counters **counters; |
| struct ib_flow_action **collection; |
| }; |
| |
| struct ib_uflow_object { |
| struct ib_uobject uobject; |
| struct ib_uflow_resources *resources; |
| }; |
| |
| struct ib_uflow_resources *flow_resources_alloc(size_t num_specs); |
| void flow_resources_add(struct ib_uflow_resources *uflow_res, |
| enum ib_flow_spec_type type, |
| void *ibobj); |
| void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res); |
| |
| static inline void ib_set_flow(struct ib_uobject *uobj, struct ib_flow *ibflow, |
| struct ib_qp *qp, struct ib_device *device, |
| struct ib_uflow_resources *uflow_res) |
| { |
| struct ib_uflow_object *uflow; |
| |
| uobj->object = ibflow; |
| ibflow->uobject = uobj; |
| |
| if (qp) { |
| atomic_inc(&qp->usecnt); |
| ibflow->qp = qp; |
| } |
| |
| ibflow->device = device; |
| uflow = container_of(uobj, typeof(*uflow), uobject); |
| uflow->resources = uflow_res; |
| } |
| |
| struct uverbs_api_object { |
| const struct uverbs_obj_type *type_attrs; |
| const struct uverbs_obj_type_class *type_class; |
| u8 disabled:1; |
| u32 id; |
| }; |
| |
| static inline u32 uobj_get_object_id(struct ib_uobject *uobj) |
| { |
| return uobj->uapi_object->id; |
| } |
| |
| #endif |
| |