Sun_sasLoadLibrary.c revision 9e86db79b7d1bbc5f2f04e99954cbd5eae0e22bb
/*
* 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
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sun_sas.h>
/*
* Loads the HBA Library. Must be called before calling any HBA library
* functions
*
* Return values:
* HBA_STATUS_OK library properly loaded
* HBA_STATUS_ERROR library loaded incorrectly
*/
int loadCount = 0;
const char ROUTINE[] = "Sun_sasLoadLibrary";
double duration = 0;
/* Make sure that library has not been already loaded */
if (loadCount++ > 0) {
" Ignoring.", loadCount);
return (HBA_STATUS_ERROR);
}
hba_count = 0;
open_handle_index = 1;
/* Initialize the read-write lock */
"Unable to initialize lock in LoadLibrary for reason \"%s\"",
return (HBA_STATUS_ERROR);
}
/* grab write lock */
"Unable to load device tree for reason \"%s\"",
return (HBA_STATUS_ERROR);
}
"%.6f seconds", duration);
/* At load time, we only gather libdevinfo information */
} else {
}
/* Now determine what status code to return */
if (atLeastOneHBA) {
/* We've got at least one HBA and possibly some failures */
return (HBA_STATUS_OK);
} else if (atLeastOneFailure) {
/* We have no HBAs but have failures */
return (HBA_STATUS_ERROR);
} else {
/* We have no HBAs and no failures */
return (HBA_STATUS_OK);
}
}