1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved. 24 */ 25 26 /* 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #include "dapl_rmr_util.h" 32 #include "dapl_ia_util.h" 33 34 DAPL_RMR * 35 dapl_rmr_alloc(IN DAPL_PZ * pz) 36 { 37 DAPL_RMR *rmr; 38 39 /* Allocate LMR */ 40 rmr = (DAPL_RMR *)dapl_os_alloc(sizeof (DAPL_RMR)); 41 if (NULL == rmr) { 42 return (NULL); 43 } 44 45 /* zero the structure */ 46 (void) dapl_os_memzero(rmr, sizeof (DAPL_RMR)); 47 48 /* 49 * initialize the header 50 */ 51 rmr->header.provider = pz->header.provider; 52 rmr->header.magic = DAPL_MAGIC_RMR; 53 rmr->header.handle_type = DAT_HANDLE_TYPE_RMR; 54 rmr->header.owner_ia = pz->header.owner_ia; 55 rmr->header.user_context.as_64 = 0; 56 rmr->header.user_context.as_ptr = 0; 57 dapl_llist_init_entry(&rmr->header.ia_list_entry); 58 dapl_ia_link_rmr(rmr->header.owner_ia, rmr); 59 dapl_os_lock_init(&rmr->header.lock); 60 61 /* 62 * initialize the body 63 */ 64 rmr->param.ia_handle = (DAT_IA_HANDLE)pz->header.owner_ia; 65 rmr->param.pz_handle = (DAT_PZ_HANDLE)pz; 66 rmr->param.lmr_triplet.lmr_context = 0; 67 rmr->param.lmr_triplet.pad = 0; 68 rmr->param.lmr_triplet.virtual_address = 0; 69 rmr->param.lmr_triplet.segment_length = 0; 70 71 rmr->param.mem_priv = 0; 72 rmr->pz = pz; 73 rmr->lmr = NULL; 74 75 return (rmr); 76 } 77 78 void 79 dapl_rmr_dealloc(IN DAPL_RMR *rmr) 80 { 81 /* reset magic to prevent reuse */ 82 rmr->header.magic = DAPL_MAGIC_INVALID; 83 84 dapl_ia_unlink_rmr(rmr->header.owner_ia, rmr); 85 dapl_os_lock_destroy(&rmr->header.lock); 86 87 dapl_os_free((void *) rmr, sizeof (DAPL_RMR)); 88 } 89 90 DAT_BOOLEAN 91 dapl_rmr_validate_completion_flag(IN DAT_COMPLETION_FLAGS mask, 92 IN DAT_COMPLETION_FLAGS allow, 93 IN DAT_COMPLETION_FLAGS request) 94 { 95 if ((mask & request) && !(mask & allow)) { 96 return (DAT_FALSE); 97 } else { 98 return (DAT_TRUE); 99 } 100 } 101 102 int32_t 103 dapl_rmr_convert_privileges(IN DAT_MEM_PRIV_FLAGS privileges) 104 { 105 int32_t value = 0; 106 107 if (DAT_MEM_PRIV_REMOTE_READ_FLAG & privileges) { 108 value |= IB_BIND_ACCESS_REMOTE_READ; 109 } 110 if (DAT_MEM_PRIV_REMOTE_WRITE_FLAG & privileges) { 111 value |= IB_BIND_ACCESS_REMOTE_WRITE; 112 } 113 return (value); 114 } 115