1*9e39c5baSBill Taylor /*
2*9e39c5baSBill Taylor  * CDDL HEADER START
3*9e39c5baSBill Taylor  *
4*9e39c5baSBill Taylor  * The contents of this file are subject to the terms of the
5*9e39c5baSBill Taylor  * Common Development and Distribution License (the "License").
6*9e39c5baSBill Taylor  * You may not use this file except in compliance with the License.
7*9e39c5baSBill Taylor  *
8*9e39c5baSBill Taylor  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*9e39c5baSBill Taylor  * or http://www.opensolaris.org/os/licensing.
10*9e39c5baSBill Taylor  * See the License for the specific language governing permissions
11*9e39c5baSBill Taylor  * and limitations under the License.
12*9e39c5baSBill Taylor  *
13*9e39c5baSBill Taylor  * When distributing Covered Code, include this CDDL HEADER in each
14*9e39c5baSBill Taylor  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*9e39c5baSBill Taylor  * If applicable, add the following below this CDDL HEADER, with the
16*9e39c5baSBill Taylor  * fields enclosed by brackets "[]" replaced with your own identifying
17*9e39c5baSBill Taylor  * information: Portions Copyright [yyyy] [name of copyright owner]
18*9e39c5baSBill Taylor  *
19*9e39c5baSBill Taylor  * CDDL HEADER END
20*9e39c5baSBill Taylor  */
21*9e39c5baSBill Taylor 
22*9e39c5baSBill Taylor /*
23*9e39c5baSBill Taylor  * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
24*9e39c5baSBill Taylor  */
25*9e39c5baSBill Taylor 
26*9e39c5baSBill Taylor /*
27*9e39c5baSBill Taylor  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
28*9e39c5baSBill Taylor  * Use is subject to license terms.
29*9e39c5baSBill Taylor  */
30*9e39c5baSBill Taylor 
31*9e39c5baSBill Taylor 
32*9e39c5baSBill Taylor /*
33*9e39c5baSBill Taylor  *
34*9e39c5baSBill Taylor  * MODULE: dapl_lmr_util.c
35*9e39c5baSBill Taylor  *
36*9e39c5baSBill Taylor  * PURPOSE: Memory management support routines
37*9e39c5baSBill Taylor  * Description: Support routines for LMR functions
38*9e39c5baSBill Taylor  *
39*9e39c5baSBill Taylor  */
40*9e39c5baSBill Taylor 
41*9e39c5baSBill Taylor #include <sys/ib/ibtl/ibtl_types.h>
42*9e39c5baSBill Taylor #include "dapl_lmr_util.h"
43*9e39c5baSBill Taylor #include "dapl_ia_util.h"
44*9e39c5baSBill Taylor 
45*9e39c5baSBill Taylor DAPL_LMR *
dapl_lmr_alloc(IN DAPL_IA * ia,IN DAT_MEM_TYPE mem_type,IN DAT_REGION_DESCRIPTION region_desc,IN DAT_VLEN length,IN DAT_PZ_HANDLE pz_handle,IN DAT_MEM_PRIV_FLAGS mem_priv)46*9e39c5baSBill Taylor dapl_lmr_alloc(IN DAPL_IA *ia,
47*9e39c5baSBill Taylor 	IN DAT_MEM_TYPE mem_type,
48*9e39c5baSBill Taylor 	IN DAT_REGION_DESCRIPTION region_desc,
49*9e39c5baSBill Taylor 	IN DAT_VLEN length,
50*9e39c5baSBill Taylor 	IN DAT_PZ_HANDLE pz_handle,
51*9e39c5baSBill Taylor 	IN DAT_MEM_PRIV_FLAGS mem_priv)
52*9e39c5baSBill Taylor {
53*9e39c5baSBill Taylor 	DAPL_LMR *lmr;
54*9e39c5baSBill Taylor 
55*9e39c5baSBill Taylor 	/* Allocate LMR */
56*9e39c5baSBill Taylor 	lmr = (DAPL_LMR *)dapl_os_alloc(sizeof (DAPL_LMR));
57*9e39c5baSBill Taylor 	if (NULL == lmr) {
58*9e39c5baSBill Taylor 		return (NULL);
59*9e39c5baSBill Taylor 	}
60*9e39c5baSBill Taylor 
61*9e39c5baSBill Taylor 	/* zero the structure */
62*9e39c5baSBill Taylor 	(void) dapl_os_memzero(lmr, sizeof (DAPL_LMR));
63*9e39c5baSBill Taylor 
64*9e39c5baSBill Taylor 	/*
65*9e39c5baSBill Taylor 	 * initialize the header
66*9e39c5baSBill Taylor 	 */
67*9e39c5baSBill Taylor 	lmr->header.provider = ia->header.provider;
68*9e39c5baSBill Taylor 	lmr->header.magic = DAPL_MAGIC_LMR;
69*9e39c5baSBill Taylor 	lmr->header.handle_type = DAT_HANDLE_TYPE_LMR;
70*9e39c5baSBill Taylor 	lmr->header.owner_ia = ia;
71*9e39c5baSBill Taylor 	lmr->header.user_context.as_64 = 0;
72*9e39c5baSBill Taylor 	lmr->header.user_context.as_ptr = NULL;
73*9e39c5baSBill Taylor 	dapl_llist_init_entry(&lmr->header.ia_list_entry);
74*9e39c5baSBill Taylor 	dapl_ia_link_lmr(ia, lmr);
75*9e39c5baSBill Taylor 	dapl_os_lock_init(&lmr->header.lock);
76*9e39c5baSBill Taylor 
77*9e39c5baSBill Taylor 	/*
78*9e39c5baSBill Taylor 	 * initialize the body
79*9e39c5baSBill Taylor 	 */
80*9e39c5baSBill Taylor 	lmr->param.ia_handle = (DAT_IA_HANDLE)ia;
81*9e39c5baSBill Taylor 	lmr->param.mem_type = mem_type;
82*9e39c5baSBill Taylor 	lmr->param.region_desc = region_desc;
83*9e39c5baSBill Taylor 	lmr->param.length = length;
84*9e39c5baSBill Taylor 	lmr->param.pz_handle = pz_handle;
85*9e39c5baSBill Taylor 	lmr->param.mem_priv = mem_priv;
86*9e39c5baSBill Taylor 	lmr->lmr_ref_count = 0;
87*9e39c5baSBill Taylor 
88*9e39c5baSBill Taylor 	return (lmr);
89*9e39c5baSBill Taylor }
90*9e39c5baSBill Taylor 
91*9e39c5baSBill Taylor void
dapl_lmr_dealloc(IN DAPL_LMR * lmr)92*9e39c5baSBill Taylor dapl_lmr_dealloc(IN DAPL_LMR *lmr)
93*9e39c5baSBill Taylor {
94*9e39c5baSBill Taylor 	/* reset magic to prevent reuse */
95*9e39c5baSBill Taylor 	lmr->header.magic = DAPL_MAGIC_INVALID;
96*9e39c5baSBill Taylor 	dapl_ia_unlink_lmr(lmr->header.owner_ia, lmr);
97*9e39c5baSBill Taylor 	dapl_os_lock_destroy(&lmr->header.lock);
98*9e39c5baSBill Taylor 
99*9e39c5baSBill Taylor 	dapl_os_free((void *) lmr, sizeof (DAPL_LMR));
100*9e39c5baSBill Taylor }
101*9e39c5baSBill Taylor 
102*9e39c5baSBill Taylor int32_t
dapl_lmr_convert_privileges(IN DAT_MEM_PRIV_FLAGS privileges)103*9e39c5baSBill Taylor dapl_lmr_convert_privileges(IN DAT_MEM_PRIV_FLAGS privileges)
104*9e39c5baSBill Taylor {
105*9e39c5baSBill Taylor 	int32_t value = 0;
106*9e39c5baSBill Taylor 
107*9e39c5baSBill Taylor 	/*
108*9e39c5baSBill Taylor 	 *    if (DAT_MEM_PRIV_LOCAL_READ_FLAG & privileges)
109*9e39c5baSBill Taylor 	 *	do nothing
110*9e39c5baSBill Taylor 	 */
111*9e39c5baSBill Taylor 	if (DAT_MEM_PRIV_LOCAL_WRITE_FLAG & privileges) {
112*9e39c5baSBill Taylor 		value |= IB_ACCESS_LOCAL_WRITE;
113*9e39c5baSBill Taylor 	}
114*9e39c5baSBill Taylor 	if (DAT_MEM_PRIV_REMOTE_READ_FLAG & privileges) {
115*9e39c5baSBill Taylor 		value |= IB_ACCESS_REMOTE_READ;
116*9e39c5baSBill Taylor 	}
117*9e39c5baSBill Taylor 	if (DAT_MEM_PRIV_REMOTE_WRITE_FLAG & privileges) {
118*9e39c5baSBill Taylor 		value |= IB_ACCESS_REMOTE_WRITE;
119*9e39c5baSBill Taylor 	}
120*9e39c5baSBill Taylor 	if (DAT_MEM_PRIV_RO_DISABLE_FLAG & privileges) {
121*9e39c5baSBill Taylor 		value |= IBT_MR_DISABLE_RO;
122*9e39c5baSBill Taylor 	}
123*9e39c5baSBill Taylor 	return (value);
124*9e39c5baSBill Taylor }
125