diff options
Diffstat (limited to 'drivers/infiniband/core/rdma_core.h')
| -rw-r--r-- | drivers/infiniband/core/rdma_core.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/core/rdma_core.h b/drivers/infiniband/core/rdma_core.h index d36a0573c5e4..f9039cfb28b4 100644 --- a/drivers/infiniband/core/rdma_core.h +++ b/drivers/infiniband/core/rdma_core.h @@ -182,5 +182,26 @@ extern const struct uapi_definition uverbs_def_obj_dm[]; extern const struct uapi_definition uverbs_def_obj_flow_action[]; extern const struct uapi_definition uverbs_def_obj_intf[]; extern const struct uapi_definition uverbs_def_obj_mr[]; +extern const struct uapi_definition uverbs_def_write_intf[]; + +static inline const struct uverbs_api_write_method * +uapi_get_method(const struct uverbs_api *uapi, u32 command) +{ + u32 cmd_idx = command & IB_USER_VERBS_CMD_COMMAND_MASK; + + if (command & ~(u32)(IB_USER_VERBS_CMD_FLAG_EXTENDED | + IB_USER_VERBS_CMD_COMMAND_MASK)) + return ERR_PTR(-EINVAL); + + if (command & IB_USER_VERBS_CMD_FLAG_EXTENDED) { + if (cmd_idx >= uapi->num_write_ex) + return ERR_PTR(-EOPNOTSUPP); + return uapi->write_ex_methods[cmd_idx]; + } + + if (cmd_idx >= uapi->num_write) + return ERR_PTR(-EOPNOTSUPP); + return uapi->write_methods[cmd_idx]; +} #endif /* RDMA_CORE_H */ |