PSARC/2008/687 T11 Storage Management HBA API(SM-HBA)

6795795 Provide management utility for SAS Gen-2(SAS-2 compliant) HBAs.
6795797 Provide SM-HBA wrapper library for SAS Gen-2(SAS-2 compliant) HBAs.
6795800 Provide SM-HBA Vendor Specific Library for Sun SAS-2 HBAs.

1 files changed, 79 insertions, 0 deletions

diff --git a/usr/src/lib/sun_sas/common/verify.c b/usr/src/lib/sun_sas/common/verify.c
new file mode 100644
index 0000000000..c87aee5672
--- /dev/null
+++ b/usr/src/lib/sun_sas/common/verify.c
@@ -0,0 +1,79 @@
+/*
+ * 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 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <sun_sas.h>
+#include <signal.h>
+
+/*
+ * Verify that a given adapter is present on the system.
+ * No checks will be performed on the targets, and it is assumed
+ * that an adapter can't change the number of ports it has.
+ */
+HBA_STATUS
+verifyAdapter(struct sun_sas_hba *hba_ptr) {
+	const char	    ROUTINE[] = "verifyAdapter";
+	char		    *charptr, path[MAXPATHLEN+1];
+	di_node_t	    node;
+	uint_t		    state;
+
+	/*
+	 * valid test for a removed HBA.
+	 */
+	if (hba_ptr == NULL) {
+	    log(LOG_DEBUG, ROUTINE, "Null hba_ptr argument");
+	    return (HBA_STATUS_ERROR);
+	}
+	(void) strlcpy(path, hba_ptr->device_path, sizeof (path));
+
+	charptr = strrchr(path, ':');
+	if (charptr) {
+	    *charptr = '\0';
+	}
+
+	errno = 0;
+
+	node = di_init(path, DINFOCPYALL);
+	if (node == DI_NODE_NIL) {
+		log(LOG_DEBUG, ROUTINE,
+		    "Unable to take devinfo snapshot on HBA \"%s\" due to %s",
+		    path, strerror(errno));
+		return (HBA_STATUS_ERROR);
+	} else {
+		state = di_state(node);
+		if (((state & DI_DRIVER_DETACHED) == DI_DRIVER_DETACHED) ||
+		    ((state & DI_BUS_DOWN) == DI_BUS_DOWN) ||
+		    ((state & DI_BUS_QUIESCED) == DI_BUS_QUIESCED)) {
+			di_fini(node);
+			log(LOG_DEBUG, ROUTINE,
+			    "devinfo node is not online state: %d", state);
+			return (HBA_STATUS_ERROR);
+		}
+	}
+
+	di_fini(node);
+
+	return (HBA_STATUS_OK);
+}