| /* |
| * Copyright (c) 2005 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 KERN_ABI_H |
| #define KERN_ABI_H |
| |
| #include <linux/types.h> |
| |
| /* |
| * Increment this value if any changes that break userspace ABI |
| * compatibility are made. |
| */ |
| #define IB_USER_VERBS_ABI_VERSION 1 |
| |
| enum { |
| IB_USER_VERBS_CMD_GET_CONTEXT, |
| IB_USER_VERBS_CMD_GET_EVENT_FDS, |
| IB_USER_VERBS_CMD_ALLOC_PD, |
| IB_USER_VERBS_CMD_DEALLOC_PD, |
| IB_USER_VERBS_CMD_REG_MR, |
| IB_USER_VERBS_CMD_DEREG_MR |
| }; |
| |
| /* |
| * Make sure that all structs defined in this file remain laid out so |
| * that they pack the same way on 32-bit and 64-bit architectures (to |
| * avoid incompatibility between 32-bit userspace and 64-bit kernels). |
| * In particular do not use pointer types -- pass pointers in __u64 |
| * instead. |
| */ |
| |
| struct ibv_kern_async_event { |
| __u32 event_type; |
| __u32 element; |
| }; |
| |
| struct ibv_comp_event { |
| __u32 cq_handle; |
| }; |
| |
| /* |
| * All commands from userspace should start with a __u32 command field |
| * followed by __u16 in_words and out_words fields (which give the |
| * length of the command block and response buffer if any in 32-bit |
| * words). The kernel driver will read these fields first and read |
| * the rest of the command struct based on these value. |
| */ |
| |
| struct ibv_get_context { |
| __u32 command; |
| __u16 in_words; |
| __u16 out_words; |
| __u64 response; |
| }; |
| |
| struct ibv_get_context_resp { |
| __u32 num_cq_events; |
| }; |
| |
| struct ibv_get_event_fds { |
| __u32 command; |
| __u16 in_words; |
| __u16 out_words; |
| __u64 response; |
| }; |
| |
| struct ibv_get_event_fds_resp { |
| __u32 async_fd; |
| __u32 cq_fd[1]; |
| }; |
| |
| #endif /* KERN_ABI_H */ |