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
56 #define hipz_galpa_store_qp(gal, offset, value) \
57 hipz_galpa_store(gal, QPTEMM_OFFSET(offset), value)
58 #define hipz_galpa_load_qp(gal, offset) \
59 hipz_galpa_load(gal, QPTEMM_OFFSET(offset))
60
hipz_update_sqa(struct ehca_qp * qp,u16 nr_wqes)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
hipz_update_rqa(struct ehca_qp * qp,u16 nr_wqes)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
hipz_update_feca(struct ehca_cq * cq,u32 nr_cqes)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
hipz_set_cqx_n0(struct ehca_cq * cq,u32 value)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
hipz_set_cqx_n1(struct ehca_cq * cq,u32 value)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__ */
101