dapl_ia_query.c revision 9e39c5ba00a55fa05777cc94b148296af305e135
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * CDDL HEADER START
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9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * See the License for the specific language governing permissions
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9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * information: Portions Copyright [yyyy] [name of copyright owner]
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9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Use is subject to license terms.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * PURPOSE: Interface Adapter management
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Description: Interfaces in this file are completely described in
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * the DAPL 1.1 API, Chapter 6, section 2
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * $Id: dapl_ia_query.c,v 1.20 2003/08/06 14:04:27 sjs2 Exp $
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * dapl_ia_query
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAPL Requirements Version xxx, 6.2.1.3
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Provide the consumer with Interface Adapter and Provider parameters.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * provider_mask
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * async_evd_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * ia_parameters
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * provider_parameters
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_SUCCESS
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_PARAMETER
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "dapl_ia_query (%p, %p, 0x%x, %p, 0x%x, %p)\n",
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Obtain parameters from the HCA. Protect against multiple
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * IAs beating on the HCA at the same time.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_ib_query_hca(ia_ptr->hca_ptr, ia_attr, NULL,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG3);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (provider_attr_mask & DAT_PROVIDER_FIELD_ALL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) dapl_os_strncpy(provider_attr->provider_name,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor provider_attr->provider_version_major = VN_PROVIDER_MAJOR;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor provider_attr->provider_version_minor = VN_PROVIDER_MINOR;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor provider_attr->dapl_version_major = DAT_VERSION_MAJOR;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor provider_attr->dapl_version_minor = DAT_VERSION_MINOR;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor provider_attr->iov_ownership_on_return = DAT_IOV_CONSUMER;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor provider_attr->dat_qos_supported = DAT_QOS_BEST_EFFORT;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 0x000 no watermarks support
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 0x001 low watermark support
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 0x010 soft high watermark support
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 0x100 hard high watermark support
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor provider_attr->srq_ep_pz_difference_supported = DAT_FALSE;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 0x01 available_dto_count
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 0x10 outstanding_dto_count
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 0x00 no ep recv info support
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 0x01 nbufs_allocated returned from dat_ep_recv_query
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 0x10 bufs_alloc_span returned from dat_ep_recv_query
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * we want the application to use the lmr_sync_rdma
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * as a programming model and thus always true from the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * provider perspective. dat_registry will return success
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * to consumers on platforms with coherent memory
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor provider_attr->dto_async_return_guaranteed = DAT_FALSE;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor provider_attr->rdma_write_for_rdma_read_req = DAT_FALSE;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Set up evd_stream_merging_supported options. Note there is
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * one bit per allowable combination, using the ordinal
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * position of the DAT_EVD_FLAGS as positions in the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * array. e.g.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * [0][0] is DAT_EVD_SOFTWARE_FLAG | DAT_EVD_SOFTWARE_FLAG,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * [0][1] is DAT_EVD_SOFTWARE_FLAG | DAT_EVD_CR_FLAG, and
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * [2][4] is DAT_EVD_DTO_FLAG | DAT_EVD_RMR_BIND_FLAG
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Most combinations are true, so initialize the array that way.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Then finish by resetting the bad combinations.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor evd_merge = (struct evd_merge_type *)&provider_attr->
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor for (i = 0; i < 6; i++) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor for (j = 0; j < 6; j++) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* DAT_EVD_ASYNC_FLAG is disallowed */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "dapl_ia_query () returns 0x%x\n",
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Local variables:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * c-indent-level: 4
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * c-basic-offset: 4
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * tab-width: 8