Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame^] | 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 | |
| 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__ */ |