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authorRoland Dreier <rolandd@cisco.com>2005-07-07 20:57:15 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-07 21:23:49 -0400
commite95975e8b87de47c08e032e7762fc7df7dfc2060 (patch)
treea8b20a456f9a274a05aead4a70e6fc6b5b14cd5f /drivers/infiniband
parent2d927d696c088ceb22c776e1e89937dc289d4078 (diff)
[PATCH] IB uverbs: add mthca ABI header
Add the mthca_user.h header file, which defines the device-specific ABI used by the mthca low-level driver for kernel/user communication. Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_user.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_user.h b/drivers/infiniband/hw/mthca/mthca_user.h
new file mode 100644
index 000000000000..3024c1b4547d
--- /dev/null
+++ b/drivers/infiniband/hw/mthca/mthca_user.h
@@ -0,0 +1,81 @@
1/*
2 * Copyright (c) 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Cisco Systems. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 *
33 */
34
35#ifndef MTHCA_USER_H
36#define MTHCA_USER_H
37
38#include <linux/types.h>
39
40/*
41 * Make sure that all structs defined in this file remain laid out so
42 * that they pack the same way on 32-bit and 64-bit architectures (to
43 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
44 * In particular do not use pointer types -- pass pointers in __u64
45 * instead.
46 */
47
48struct mthca_alloc_ucontext_resp {
49 __u32 qp_tab_size;
50 __u32 uarc_size;
51};
52
53struct mthca_alloc_pd_resp {
54 __u32 pdn;
55 __u32 reserved;
56};
57
58struct mthca_create_cq {
59 __u32 lkey;
60 __u32 pdn;
61 __u64 arm_db_page;
62 __u64 set_db_page;
63 __u32 arm_db_index;
64 __u32 set_db_index;
65};
66
67struct mthca_create_cq_resp {
68 __u32 cqn;
69 __u32 reserved;
70};
71
72struct mthca_create_qp {
73 __u32 lkey;
74 __u32 reserved;
75 __u64 sq_db_page;
76 __u64 rq_db_page;
77 __u32 sq_db_index;
78 __u32 rq_db_index;
79};
80
81#endif /* MTHCA_USER_H */