diff options
author | Roland Dreier <roland@eddore.topspincom.com> | 2005-08-25 16:40:04 -0400 |
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committer | Roland Dreier <rolandd@cisco.com> | 2005-08-26 23:37:38 -0400 |
commit | a4d61e84804f3b14cc35c5e2af768a07c0f64ef6 (patch) | |
tree | ecd1d07e5d5643ef1764e2e99de5ddd4103aec5d /include/rdma/ib_fmr_pool.h | |
parent | 1ad62a19f177e61d4dde111ba35fb4badd0c2106 (diff) |
[PATCH] IB: move include files to include/rdma
Move the InfiniBand headers from drivers/infiniband/include to include/rdma.
This allows InfiniBand-using code to live elsewhere, and lets us remove the
ugly EXTRA_CFLAGS include path from the InfiniBand Makefiles.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'include/rdma/ib_fmr_pool.h')
-rw-r--r-- | include/rdma/ib_fmr_pool.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/include/rdma/ib_fmr_pool.h b/include/rdma/ib_fmr_pool.h new file mode 100644 index 000000000000..86b7e93f198b --- /dev/null +++ b/include/rdma/ib_fmr_pool.h | |||
@@ -0,0 +1,93 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2004 Topspin Corporation. All rights reserved. | ||
3 | * Copyright (c) 2005 Sun Microsystems, Inc. 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 | * $Id: ib_fmr_pool.h 2730 2005-06-28 16:43:03Z sean.hefty $ | ||
34 | */ | ||
35 | |||
36 | #if !defined(IB_FMR_POOL_H) | ||
37 | #define IB_FMR_POOL_H | ||
38 | |||
39 | #include <rdma/ib_verbs.h> | ||
40 | |||
41 | struct ib_fmr_pool; | ||
42 | |||
43 | /** | ||
44 | * struct ib_fmr_pool_param - Parameters for creating FMR pool | ||
45 | * @max_pages_per_fmr:Maximum number of pages per map request. | ||
46 | * @access:Access flags for FMRs in pool. | ||
47 | * @pool_size:Number of FMRs to allocate for pool. | ||
48 | * @dirty_watermark:Flush is triggered when @dirty_watermark dirty | ||
49 | * FMRs are present. | ||
50 | * @flush_function:Callback called when unmapped FMRs are flushed and | ||
51 | * more FMRs are possibly available for mapping | ||
52 | * @flush_arg:Context passed to user's flush function. | ||
53 | * @cache:If set, FMRs may be reused after unmapping for identical map | ||
54 | * requests. | ||
55 | */ | ||
56 | struct ib_fmr_pool_param { | ||
57 | int max_pages_per_fmr; | ||
58 | enum ib_access_flags access; | ||
59 | int pool_size; | ||
60 | int dirty_watermark; | ||
61 | void (*flush_function)(struct ib_fmr_pool *pool, | ||
62 | void * arg); | ||
63 | void *flush_arg; | ||
64 | unsigned cache:1; | ||
65 | }; | ||
66 | |||
67 | struct ib_pool_fmr { | ||
68 | struct ib_fmr *fmr; | ||
69 | struct ib_fmr_pool *pool; | ||
70 | struct list_head list; | ||
71 | struct hlist_node cache_node; | ||
72 | int ref_count; | ||
73 | int remap_count; | ||
74 | u64 io_virtual_address; | ||
75 | int page_list_len; | ||
76 | u64 page_list[0]; | ||
77 | }; | ||
78 | |||
79 | struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, | ||
80 | struct ib_fmr_pool_param *params); | ||
81 | |||
82 | void ib_destroy_fmr_pool(struct ib_fmr_pool *pool); | ||
83 | |||
84 | int ib_flush_fmr_pool(struct ib_fmr_pool *pool); | ||
85 | |||
86 | struct ib_pool_fmr *ib_fmr_pool_map_phys(struct ib_fmr_pool *pool_handle, | ||
87 | u64 *page_list, | ||
88 | int list_len, | ||
89 | u64 *io_virtual_address); | ||
90 | |||
91 | int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr); | ||
92 | |||
93 | #endif /* IB_FMR_POOL_H */ | ||