dapl_tavor_ibtf_mrsync.c revision 9517:b4839b0aa7a4 
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 2009 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include "dapl.h"
28#include "dapl_mr_util.h"
29#include <dapl_tavor_ibtf_impl.h>
30
31DAT_RETURN
32dapls_ib_lmr_sync_rdma_common(
33	IN	DAT_IA_HANDLE ia_handle,
34	IN 	const DAT_LMR_TRIPLET *lmr_triplet,
35	IN	DAT_VLEN num_segments,
36	IN	uint32_t op_type)
37{
38	DAPL_IA		*ia_ptr;
39	DAPL_LMR	*lmr;
40	DAT_RETURN	dat_status;
41	dapl_mr_sync_t	args;
42	int		i, j;
43	int		retval;
44
45	if (DAPL_BAD_HANDLE(ia_handle, DAPL_MAGIC_IA)) {
46		return (DAT_ERROR(DAT_INVALID_HANDLE, DAT_INVALID_HANDLE_IA));
47	}
48
49	ia_ptr = (DAPL_IA *)ia_handle;
50	args.mrs_flags = op_type;
51
52	for (i = 0, j = 0; i < num_segments; i++) {
53		dat_status = dapls_hash_search(
54		    ia_ptr->hca_ptr->lmr_hash_table,
55		    lmr_triplet[i].lmr_context, (DAPL_HASH_DATA *)&lmr);
56
57		if (dat_status != DAT_SUCCESS) {
58			return (DAT_ERROR(DAT_INVALID_PARAMETER,
59			    DAT_INVALID_ARG2));
60		}
61
62		dat_status = dapl_mr_bounds_check(
63		    dapl_mr_get_address(lmr->param.region_desc,
64		    lmr->param.mem_type),
65		    lmr->param.length,
66		    lmr_triplet[i].virtual_address,
67		    lmr_triplet[i].segment_length);
68		if (dat_status != DAT_TRUE) {
69			return (DAT_ERROR(DAT_INVALID_PARAMETER,
70			    DAT_INVALID_ARG2));
71		}
72		args.mrs_vec[j].mrsv_hkey = lmr->mr_handle->mr_hkey;
73		args.mrs_vec[j].mrsv_va = lmr_triplet[i].virtual_address;
74		args.mrs_vec[j].mrsv_len = lmr_triplet[i].segment_length;
75		j = j + 1;
76		args.mrs_numseg = j;
77		if (j == DAPL_MR_PER_SYNC) {
78			j = 0;
79			retval = ioctl(ia_ptr->hca_ptr->ib_hca_handle->ia_fd,
80			    DAPL_MR_SYNC, &args);
81
82			if (retval != 0) {
83				dapl_dbg_log(DAPL_DBG_TYPE_ERR,
84				    "dapls_ib_lmr_sync: failed %s, retval %d\n",
85				    strerror(errno), retval);
86				return (dapls_convert_error(errno, retval));
87			}
88		}
89	}
90
91	if (j != 0) {
92		retval = ioctl(ia_ptr->hca_ptr->ib_hca_handle->ia_fd,
93		    DAPL_MR_SYNC, &args);
94		if (retval != 0) {
95			dapl_dbg_log(DAPL_DBG_TYPE_ERR,
96			    "dapls_ib_lmr_sync: failed %s, retval %d\n",
97			    strerror(errno), retval);
98			return (dapls_convert_error(errno, retval));
99		}
100	}
101	return (DAT_SUCCESS);
102}
103