Commit | Line | Data |
---|---|---|
b038ced7 SW |
1 | /* |
2 | * Copyright (c) 2006 Chelsio, Inc. All rights reserved. | |
b038ced7 SW |
3 | * |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
5a0e3ad6 | 32 | #include <linux/slab.h> |
b038ced7 SW |
33 | #include <asm/byteorder.h> |
34 | ||
35 | #include <rdma/iw_cm.h> | |
36 | #include <rdma/ib_verbs.h> | |
37 | ||
38 | #include "cxio_hal.h" | |
273748cc | 39 | #include "cxio_resource.h" |
b038ced7 SW |
40 | #include "iwch.h" |
41 | #include "iwch_provider.h" | |
42 | ||
13a23933 | 43 | static int iwch_finish_mem_reg(struct iwch_mr *mhp, u32 stag) |
b038ced7 | 44 | { |
b038ced7 SW |
45 | u32 mmid; |
46 | ||
273748cc RD |
47 | mhp->attr.state = 1; |
48 | mhp->attr.stag = stag; | |
49 | mmid = stag >> 8; | |
50 | mhp->ibmr.rkey = mhp->ibmr.lkey = stag; | |
273748cc | 51 | PDBG("%s mmid 0x%x mhp %p\n", __func__, mmid, mhp); |
13a23933 | 52 | return insert_handle(mhp->rhp, &mhp->rhp->mmidr, mhp, mmid); |
273748cc RD |
53 | } |
54 | ||
55 | int iwch_register_mem(struct iwch_dev *rhp, struct iwch_pd *php, | |
56 | struct iwch_mr *mhp, int shift) | |
57 | { | |
58 | u32 stag; | |
13a23933 | 59 | int ret; |
b038ced7 SW |
60 | |
61 | if (cxio_register_phys_mem(&rhp->rdev, | |
62 | &stag, mhp->attr.pdid, | |
63 | mhp->attr.perms, | |
64 | mhp->attr.zbva, | |
65 | mhp->attr.va_fbo, | |
66 | mhp->attr.len, | |
273748cc RD |
67 | shift - 12, |
68 | mhp->attr.pbl_size, mhp->attr.pbl_addr)) | |
b038ced7 | 69 | return -ENOMEM; |
273748cc | 70 | |
13a23933 SW |
71 | ret = iwch_finish_mem_reg(mhp, stag); |
72 | if (ret) | |
73 | cxio_dereg_mem(&rhp->rdev, mhp->attr.stag, mhp->attr.pbl_size, | |
74 | mhp->attr.pbl_addr); | |
75 | return ret; | |
b038ced7 SW |
76 | } |
77 | ||
273748cc RD |
78 | int iwch_alloc_pbl(struct iwch_mr *mhp, int npages) |
79 | { | |
80 | mhp->attr.pbl_addr = cxio_hal_pblpool_alloc(&mhp->rhp->rdev, | |
81 | npages << 3); | |
82 | ||
83 | if (!mhp->attr.pbl_addr) | |
84 | return -ENOMEM; | |
85 | ||
86 | mhp->attr.pbl_size = npages; | |
87 | ||
b038ced7 SW |
88 | return 0; |
89 | } | |
90 | ||
273748cc RD |
91 | void iwch_free_pbl(struct iwch_mr *mhp) |
92 | { | |
93 | cxio_hal_pblpool_free(&mhp->rhp->rdev, mhp->attr.pbl_addr, | |
94 | mhp->attr.pbl_size << 3); | |
95 | } | |
96 | ||
97 | int iwch_write_pbl(struct iwch_mr *mhp, __be64 *pages, int npages, int offset) | |
98 | { | |
99 | return cxio_write_pbl(&mhp->rhp->rdev, pages, | |
100 | mhp->attr.pbl_addr + (offset << 3), npages); | |
101 | } |