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fab97220 HS |
1 | /* |
2 | * IBM eServer eHCA Infiniband device driver for Linux on POWER | |
3 | * | |
4 | * HW abstraction register functions | |
5 | * | |
6 | * Authors: Christoph Raisch <raisch@de.ibm.com> | |
7 | * Heiko J Schick <schickhj@de.ibm.com> | |
8 | * Hoang-Nam Nguyen <hnguyen@de.ibm.com> | |
9 | * Reinhard Ernst <rernst@de.ibm.com> | |
10 | * | |
11 | * Copyright (c) 2005 IBM Corporation | |
12 | * | |
13 | * All rights reserved. | |
14 | * | |
15 | * This source code is distributed under a dual license of GPL v2.0 and OpenIB | |
16 | * BSD. | |
17 | * | |
18 | * OpenIB BSD License | |
19 | * | |
20 | * Redistribution and use in source and binary forms, with or without | |
21 | * modification, are permitted provided that the following conditions are met: | |
22 | * | |
23 | * Redistributions of source code must retain the above copyright notice, this | |
24 | * list of conditions and the following disclaimer. | |
25 | * | |
26 | * Redistributions in binary form must reproduce the above copyright notice, | |
27 | * this list of conditions and the following disclaimer in the documentation | |
28 | * and/or other materials | |
29 | * provided with the distribution. | |
30 | * | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
32 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
33 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
34 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
35 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
36 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
37 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
38 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER | |
39 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
40 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGE. | |
42 | */ | |
43 | ||
44 | #ifndef __HIPZ_FNS_CORE_H__ | |
45 | #define __HIPZ_FNS_CORE_H__ | |
46 | ||
47 | #include "hcp_phyp.h" | |
48 | #include "hipz_hw.h" | |
49 | ||
50 | #define hipz_galpa_store_cq(gal, offset, value) \ | |
51 | hipz_galpa_store(gal, CQTEMM_OFFSET(offset), value) | |
52 | ||
53 | #define hipz_galpa_load_cq(gal, offset) \ | |
54 | hipz_galpa_load(gal, CQTEMM_OFFSET(offset)) | |
55 | ||
2b94397a | 56 | #define hipz_galpa_store_qp(gal, offset, value) \ |
fab97220 HS |
57 | hipz_galpa_store(gal, QPTEMM_OFFSET(offset), value) |
58 | #define hipz_galpa_load_qp(gal, offset) \ | |
2b94397a | 59 | hipz_galpa_load(gal, QPTEMM_OFFSET(offset)) |
fab97220 HS |
60 | |
61 | static inline void hipz_update_sqa(struct ehca_qp *qp, u16 nr_wqes) | |
62 | { | |
63 | /* ringing doorbell :-) */ | |
64 | hipz_galpa_store_qp(qp->galpas.kernel, qpx_sqa, | |
65 | EHCA_BMASK_SET(QPX_SQADDER, nr_wqes)); | |
66 | } | |
67 | ||
68 | static inline void hipz_update_rqa(struct ehca_qp *qp, u16 nr_wqes) | |
69 | { | |
70 | /* ringing doorbell :-) */ | |
71 | hipz_galpa_store_qp(qp->galpas.kernel, qpx_rqa, | |
72 | EHCA_BMASK_SET(QPX_RQADDER, nr_wqes)); | |
73 | } | |
74 | ||
75 | static inline void hipz_update_feca(struct ehca_cq *cq, u32 nr_cqes) | |
76 | { | |
77 | hipz_galpa_store_cq(cq->galpas.kernel, cqx_feca, | |
78 | EHCA_BMASK_SET(CQX_FECADDER, nr_cqes)); | |
79 | } | |
80 | ||
81 | static inline void hipz_set_cqx_n0(struct ehca_cq *cq, u32 value) | |
82 | { | |
83 | u64 cqx_n0_reg; | |
84 | ||
85 | hipz_galpa_store_cq(cq->galpas.kernel, cqx_n0, | |
86 | EHCA_BMASK_SET(CQX_N0_GENERATE_SOLICITED_COMP_EVENT, | |
87 | value)); | |
88 | cqx_n0_reg = hipz_galpa_load_cq(cq->galpas.kernel, cqx_n0); | |
89 | } | |
90 | ||
91 | static inline void hipz_set_cqx_n1(struct ehca_cq *cq, u32 value) | |
92 | { | |
93 | u64 cqx_n1_reg; | |
94 | ||
95 | hipz_galpa_store_cq(cq->galpas.kernel, cqx_n1, | |
96 | EHCA_BMASK_SET(CQX_N1_GENERATE_COMP_EVENT, value)); | |
97 | cqx_n1_reg = hipz_galpa_load_cq(cq->galpas.kernel, cqx_n1); | |
98 | } | |
99 | ||
100 | #endif /* __HIPZ_FNC_CORE_H__ */ |