9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * CDDL HEADER START
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * The contents of this file are subject to the terms of the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Common Development and Distribution License (the "License").
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * You may not use this file except in compliance with the License.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * or http://www.opensolaris.org/os/licensing.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * See the License for the specific language governing permissions
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * and limitations under the License.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * When distributing Covered Code, include this CDDL HEADER in each
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * If applicable, add the following below this CDDL HEADER, with the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * fields enclosed by brackets "[]" replaced with your own identifying
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * information: Portions Copyright [yyyy] [name of copyright owner]
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * CDDL HEADER END
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Use is subject to license terms.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * MODULE: dapl_srq.c
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * PURPOSE: Shared Receive Queue
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Description: Interfaces in this file are completely described in
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * the DAPL 1.2 API, Chapter 6, section 5
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include "dapl.h"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include "dapl_adapter_util.h"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include "dapl_ia_util.h"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include "dapl_srq_util.h"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include "dapl_cookie.h"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * dapl_srq_create
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * uDAPL: User Direct Access Program Library Version 1.2, 6.5.1
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * creates an instance of a Shared Receive Queue (SRQ) that is provided
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * to the Consumer as srq_handle.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Input:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * ia_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * pz_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_attr
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Output:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Returns:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_SUCCESS
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INSUFFICIENT_RESOURCES
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_HANDLE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_PARAMETER
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_MODEL_NOT_SUPPORTED
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill TaylorDAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_srq_create(
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_IA_HANDLE ia_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_PZ_HANDLE pz_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_SRQ_ATTR *srq_attr,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_SRQ_HANDLE *srq_handle)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_IA *ia_ptr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_SRQ *srq_ptr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_SRQ_ATTR srq_attr_limit;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RETURN dat_status;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ia_ptr = (DAPL_IA *)ia_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_SUCCESS;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Verify parameters
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAPL_BAD_HANDLE(ia_ptr, DAPL_MAGIC_IA)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_INVALID_HANDLE_IA);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if ((pz_handle == NULL) || DAPL_BAD_HANDLE(pz_handle, DAPL_MAGIC_PZ)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_INVALID_HANDLE_PZ);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if ((srq_attr == NULL) || ((uintptr_t)srq_attr & 3)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG3);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (srq_handle == NULL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG4);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (srq_attr->max_recv_dtos == 0 || srq_attr->max_recv_iov == 0 ||
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_attr->low_watermark != DAT_SRQ_LW_DEFAULT) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG3);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* Verify the attributes against the transport */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) dapl_os_memzero(&srq_attr_limit, sizeof (DAT_SRQ_ATTR));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_ib_query_hca(ia_ptr->hca_ptr, NULL, NULL, NULL,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &srq_attr_limit);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status != DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (srq_attr->max_recv_dtos > srq_attr_limit.max_recv_dtos ||
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_attr->max_recv_iov > srq_attr_limit.max_recv_iov) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG3);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* Allocate SRQ */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr = dapl_srq_alloc(ia_ptr, srq_attr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (srq_ptr == NULL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RESOURCE_MEMORY);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* Take a reference on the PZ handle */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_os_atomic_inc(&((DAPL_PZ *)pz_handle)->pz_ref_count);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Fill in the SRQ
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->param.ia_handle = ia_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->param.srq_state = DAT_SRQ_STATE_OPERATIONAL;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->param.pz_handle = pz_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->param.max_recv_dtos = srq_attr->max_recv_dtos;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->param.max_recv_iov = srq_attr->max_recv_iov;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->param.low_watermark = DAT_SRQ_LW_DEFAULT;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->param.available_dto_count = DAT_VALUE_UNKNOWN;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->param.outstanding_dto_count = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_ib_srq_alloc(ia_ptr, srq_ptr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status != DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_os_atomic_dec(&((DAPL_PZ *)pz_handle)->pz_ref_count);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_srq_dealloc(srq_ptr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* Link it onto the IA */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_ia_link_srq(ia_ptr, srq_ptr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *srq_handle = srq_ptr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorbail:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * dapl_srq_free
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * uDAPL: User Direct Access Program Library Version 1.2, 6.5.5
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * destroys an instance of the SRQ. The SRQ cannot be destroyed if it is
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * in use by an EP.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Input:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Output:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * none
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Returns:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_SUCCESS
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_HANDLE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_STATE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill TaylorDAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_srq_free(
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_SRQ_HANDLE srq_handle)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_SRQ *srq_ptr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_IA *ia_ptr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_SRQ_PARAM *param;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RETURN dat_status = DAT_SUCCESS;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAPL_BAD_HANDLE(srq_handle, DAPL_MAGIC_SRQ)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_INVALID_HANDLE_SRQ);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr = (DAPL_SRQ *)srq_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor param = &srq_ptr->param;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (0 != srq_ptr->srq_ref_count) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_dbg_log(DAPL_DBG_TYPE_EP,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "dapl_srq_free: Free SRQ: %p, refcnt %d\n",
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr, srq_ptr->srq_ref_count);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_INVALID_STATE_SRQ_IN_USE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ia_ptr = srq_ptr->header.owner_ia;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor param->srq_state = DAT_SRQ_STATE_ERROR;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapls_ib_srq_free(ia_ptr, srq_ptr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* Remove link from the IA */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_ia_unlink_srq(ia_ptr, srq_ptr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_os_assert(param->pz_handle != NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_os_atomic_dec(&((DAPL_PZ *)param->pz_handle)->pz_ref_count);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor param->pz_handle = NULL;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_srq_dealloc(srq_ptr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorbail:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * dapl_srq_post_recv
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * uDAPL: User Direct Access Program Library Version 1.2, 6.5.8
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * posts the receive buffer that can be used for the incoming message into
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * the local_iov by any connected EP that uses SRQ.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Input:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * num_segments
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * local_iov
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * user_cookie
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Output:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * none
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Returns:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_SUCCESS
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_HANDLE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INSUFFICIENT_RESOURCES
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_PARAMETER
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_PROTECTION_VIOLATION
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_PRIVILEGES_VIOLATION
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill TaylorDAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_srq_post_recv(
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_SRQ_HANDLE srq_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_COUNT num_segments,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_LMR_TRIPLET *local_iov,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_DTO_COOKIE user_cookie)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_SRQ *srq_ptr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_COOKIE *cookie;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RETURN dat_status;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_dbg_log(DAPL_DBG_TYPE_API,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "dapl_srq_post_recv (%p, %d, %p, %P)\n",
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor num_segments,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor local_iov,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor user_cookie.as_64);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAPL_BAD_HANDLE(srq_handle, DAPL_MAGIC_SRQ)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_INVALID_HANDLE_SRQ);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr = (DAPL_SRQ *) srq_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Synchronization ok since this buffer is only used for receive
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * requests, which aren't allowed to race with each other.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_dto_cookie_alloc(&srq_ptr->recv_buffer,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_DTO_TYPE_RECV,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor user_cookie,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &cookie);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAT_SUCCESS != dat_status) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Invoke provider specific routine to post DTO
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_ib_post_srq(srq_ptr, cookie, num_segments,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor local_iov);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status != DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapls_cookie_dealloc(&srq_ptr->recv_buffer, cookie);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor } else {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_os_atomic_inc(&srq_ptr->recv_count);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorbail:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_dbg_log(DAPL_DBG_TYPE_RTN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "dapl_srq_post_recv () returns 0x%x\n", dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * dapl_srq_query
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * uDAPL: User Direct Access Program Library Version 1.2, 6.5.6
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * provides to the Consumer SRQ parameters. The Consumer passes in a pointer
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * to the Consumer-allocated structures for SRQ parameters that the Provider
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * fills.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Input:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_param_mask
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Output:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_param
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Returns:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_SUCCESS
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_HANDLE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_PARAMETER
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill TaylorDAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_srq_query(
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_SRQ_HANDLE srq_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_SRQ_PARAM_MASK srq_param_mask,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_SRQ_PARAM *srq_param)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_SRQ *srq_ptr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RETURN dat_status;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_SUCCESS;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (srq_param_mask & ~DAT_SRQ_FIELD_ALL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG2);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL == srq_param) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG3);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAPL_BAD_HANDLE(srq_handle, DAPL_MAGIC_SRQ)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_HANDLE, 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr = (DAPL_SRQ *)srq_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* Do a struct copy */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *srq_param = srq_ptr->param;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* update the outstanding dto count */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_param->outstanding_dto_count = srq_ptr->recv_count;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorbail:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * dapl_srq_set_lw
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * uDAPL: User Direct Access Program Library Version 1.2, 6.5.4
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * sets the low watermark value for SRQ and arms SRQ for generating an
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * asynchronous event for low watermark. An asynchronous event will be
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * generated when the number of buffers on SRQ is below the low watermark
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * for the first time. This may happen during this call or when an
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * associated EP takes a buffer from the SRQ.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Input:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * low_watermark
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Output:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * none
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Returns:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_SUCCESS
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_HANDLE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_PARAMETER
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_MODEL_NOT_SUPPORTED
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/* ARGSUSED */
9e39c5ba00a55fa05777cc94b148296af305e135Bill TaylorDAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_srq_set_lw(
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_SRQ_HANDLE srq_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_COUNT low_watermark)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (DAT_MODEL_NOT_SUPPORTED);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * dapl_srq_resize
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * uDAPL: User Direct Access Program Library Version 1.2, 6.5.7
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * modifies the size of the queue of SRQ. Resizing of SRQ shall not cause
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * any incoming messages on any of the EPs that use the SRQ to be lost.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Input:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * srq_max_recv_dto
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Output:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * none
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Returns:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_SUCCESS
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_HANDLE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_PARAMETER
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INSUFFICIENT_RESOURCES
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_STATE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/* ARGSUSED */
9e39c5ba00a55fa05777cc94b148296af305e135Bill TaylorDAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_srq_resize(
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_SRQ_HANDLE srq_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_COUNT srq_max_recv_dtos)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_SRQ *srq_ptr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_SRQ_ATTR srq_attr_limit;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_COOKIE_BUFFER new_cb;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RETURN dat_status;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr = (DAPL_SRQ *)srq_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_SUCCESS;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAPL_BAD_HANDLE(srq_handle, DAPL_MAGIC_SRQ)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (DAT_ERROR(DAT_INVALID_HANDLE, DAT_HANDLE_TYPE_SRQ));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* can't shrink below the number of outstanding recvs */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (srq_max_recv_dtos < srq_ptr->recv_count) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (DAT_ERROR(DAT_INVALID_STATE, 0));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * shrinking SRQs is not supported on tavor return success without
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * any modification.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (srq_max_recv_dtos <= srq_ptr->param.max_recv_dtos) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (DAT_SUCCESS);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* Verify the attributes against the transport */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) dapl_os_memzero(&srq_attr_limit, sizeof (DAT_SRQ_ATTR));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_ib_query_hca(srq_ptr->header.owner_ia->hca_ptr,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor NULL, NULL, NULL, &srq_attr_limit);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status != DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (srq_max_recv_dtos > srq_attr_limit.max_recv_dtos) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG2);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_cb_resize(&srq_ptr->recv_buffer, srq_max_recv_dtos,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &new_cb);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status != DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_ib_srq_resize(srq_ptr, srq_max_recv_dtos);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status != DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapls_cb_free(&srq_ptr->recv_buffer);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->recv_buffer = new_cb; /* struct copy */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor srq_ptr->param.max_recv_dtos = srq_max_recv_dtos;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (DAT_SUCCESS);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorbail:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapls_cb_free(&new_cb);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}