/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
*
* MODULE: dapl_init.c
*
* PURPOSE: Interface Adapter management
* Description: Interfaces in this file are completely described in
* the DAPL 1.1 API, Chapter 6, section 2
*
* $Id: dapl_init.c,v 1.42 2003/06/30 15:38:20 sjs2 Exp $
*/
#include "dapl.h"
#include "dapl_hca_util.h"
#include "dapl_init.h"
#include "dapl_provider.h"
#include "dapl_mr_util.h"
#include "dapl_osd.h" /* needed for g_daplDebugLevel */
#include "dapl_adapter_util.h"
#include "dapl_name_service.h"
#include "dapl_vendor.h"
static void dapl_init(void);
static void dapl_fini(void);
#pragma init(dapl_init)
#pragma fini(dapl_fini)
/*
* dapl_init
*
* initialize this provider
* includes initialization of all global variables
* as well as registering all supported IAs with the dat registry
*
* This function needs to be called once when the provider is loaded.
*
* Input:
* none
*
* Output:
* none
*
* Return Values:
*/
static void
dapl_init(void)
{
DAT_RETURN dat_status;
dapl_dbg_log(DAPL_DBG_TYPE_UTIL, "DAPL: Started (dapl_init)\n");
#if defined(DAPL_DBG)
/* set up debug type */
g_dapl_dbg_type = dapl_os_get_env_val("DAPL_DBG_TYPE",
DAPL_DBG_TYPE_ERR | DAPL_DBG_TYPE_WARN);
/* set up debug level */
g_dapl_dbg_dest = dapl_os_get_env_val("DAPL_DBG_DEST",
DAPL_DBG_DEST_STDOUT);
#endif /* DAPL_DBG */
/* See if the user is on a loopback setup */
g_dapl_loopback_connection = dapl_os_get_env_bool("DAPL_LOOPBACK");
dapl_dbg_log(DAPL_DBG_TYPE_UTIL, "DAPL: %s Setting Loopback\n",
g_dapl_loopback_connection ? "" : "NOT");
dapls_ib_state_init();
/* initialize the provider list */
dat_status = dapl_provider_list_create();
if (DAT_SUCCESS != dat_status) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"dapl_provider_list_create failed %d\n", dat_status);
goto bail;
}
/* Set up name services */
dat_status = dapls_ns_init();
if (DAT_SUCCESS != dat_status) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR, "dapls_ns_init failed %d\n",
dat_status);
goto bail;
}
return;
bail:
dapl_dbg_log(DAPL_DBG_TYPE_ERR, "ERROR: dapl_init failed\n");
dapl_fini();
}
/*
* dapl_fini
*
* finalize this provider
* includes freeing of all global variables
* as well as deregistering all supported IAs from the dat registry
*
* This function needs to be called once when the provider is loaded.
*
* Input:
* none
*
* Output:
* none
*
* Return Values:
*/
static void
dapl_fini(void)
{
DAT_RETURN dat_status;
dapl_dbg_log(DAPL_DBG_TYPE_UTIL, "DAPL: Stopped (dapl_fini)\n");
/*
* Free up hca related resources
*/
dapls_ib_state_fini();
dat_status = dapl_provider_list_destroy();
if (DAT_SUCCESS != dat_status) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"dapl_provider_list_destroy failed %d\n", dat_status);
}
}
/*
*
* This function is called by the registry to initialize a provider
*
* The instance data string is expected to have the following form:
*
* <hca name> <port number>
*
*/
/* ARGSUSED */
void
dat_provider_init(
IN const DAT_PROVIDER_INFO *provider_info,
IN const char *instance_data)
{
DAT_PROVIDER *provider;
DAPL_HCA *hca_ptr;
DAT_RETURN dat_status;
provider = NULL;
hca_ptr = NULL;
dat_status = dapl_provider_list_insert(provider_info->ia_name,
&provider);
if (DAT_SUCCESS != dat_status) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"dat_provider_list_insert failed: %x\n", dat_status);
goto bail;
}
hca_ptr = dapl_hca_alloc((char *)provider_info->ia_name, 0);
if (NULL == hca_ptr) {
dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
DAT_RESOURCE_MEMORY);
goto bail;
}
provider->extension = hca_ptr;
/* register providers with dat_registry */
dat_status = dat_registry_add_provider(provider, provider_info);
if (DAT_SUCCESS != dat_status) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"dat_registry_add_provider failed: %x\n", dat_status);
goto bail;
}
bail:
if (DAT_SUCCESS != dat_status) {
if (NULL != provider) {
(void) dapl_provider_list_remove(
provider_info->ia_name);
}
if (NULL != hca_ptr) {
dapl_hca_free(hca_ptr);
}
}
}
/*
*
* This function is called by the registry to de-initialize a provider
*
*/
void
dat_provider_fini(
IN const DAT_PROVIDER_INFO *provider_info)
{
DAT_PROVIDER *provider;
DAT_RETURN dat_status;
dat_status = dapl_provider_list_search(provider_info->ia_name,
&provider);
if (DAT_SUCCESS != dat_status) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"dat_registry_add_provider failed: %x\n", dat_status);
return;
}
dat_status = dat_registry_remove_provider(provider, provider_info);
if (DAT_SUCCESS != dat_status) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"dat_registry_add_provider failed: %x\n", dat_status);
}
(void) dapl_provider_list_remove(provider_info->ia_name);
}
/*
* Local variables:
* c-indent-level: 4
* c-basic-offset: 4
* tab-width: 8
* End:
*/