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 61static 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 68static 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 75static 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 81static 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 91static 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