1 files changed, 97 insertions, 0 deletions
diff --git a/usr/src/lib/sun_fc/common/Sun_fcScsiInquiryV2.cc b/usr/src/lib/sun_fc/common/Sun_fcScsiInquiryV2.cc
new file mode 100644
index 0000000000..577a62b722
--- /dev/null
+++ b/usr/src/lib/sun_fc/common/Sun_fcScsiInquiryV2.cc
@@ -0,0 +1,97 @@
+/*
+ * 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 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+
+#include "Trace.h"
+#include "Handle.h"
+#include "HBA.h"
+#include "HBAPort.h"
+#include "Exceptions.h"
+#include "sun_fc.h"
+#include <unistd.h>
+
+#define	    BUSY_SLEEP		1000000 /* 1/100 second */
+#define	    BUSY_RETRY_TIMER	5000000000ULL /* Retry for 5 seconds */
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/**
+ * @memo	    Send a SCSI inquiry to a remote WWN
+ * @return	    HBA_STATUS_OK or other error code
+ *		    scsiStatus should be checked to ensure SCSI command
+ *		    was a success.
+ * @param	    handle The HBA to operate on
+ * @param	    portWWN Indicates the HBA port to send command through
+ * @param	    targetPortWWN Indicates the target to send command to
+ * @param	    fcLun Indicates the target unit to send command to
+ * @param	    cdb1 The first CDB byte
+ * @param	    cdb2 The second CDB byte
+ * @param	    responseBuffer User-allocated response buffer
+ * @param	    responseSize Size of User-allocated response buffer
+ * @param	    scsiStatus User-allocated scsi status byte
+ * 
+ * @doc		    This routine will attempt a limited number of retries
+ *		    When busy or again errors are encountered.
+ */
+HBA_STATUS
+Sun_fcScsiInquiryV2(HBA_HANDLE handle, HBA_WWN portWWN, HBA_WWN targetPortWWN,
+	    HBA_UINT64 fcLun, HBA_UINT8 cdb1, HBA_UINT8 cdb2,
+	    void *responseBuffer, HBA_UINT32 *responseSize,
+	    HBA_UINT8 *scsiStatus,
+	    void *senseBuffer, HBA_UINT32 *senseSize) {
+	Trace log("Sun_fcScsiInquiryV2");
+
+	hrtime_t start = gethrtime();
+	hrtime_t end = start + BUSY_RETRY_TIMER;
+	for (hrtime_t cur = start; cur < end; cur = gethrtime()) {
+	    try {
+		Handle *myHandle = Handle::findHandle(handle);
+		HBA *hba = myHandle->getHBA();
+		HBAPort *port = hba->getPort(wwnConversion(portWWN.wwn));
+
+		port->sendScsiInquiry(wwnConversion(targetPortWWN.wwn), fcLun,
+			cdb1, cdb2, responseBuffer, responseSize,
+			scsiStatus, senseBuffer, senseSize);
+		return (HBA_STATUS_OK);
+	    } catch (BusyException &e) {
+		usleep(BUSY_SLEEP);
+		continue;
+	    } catch (TryAgainException &e) {
+		usleep(BUSY_SLEEP);
+		continue;
+	    } catch (HBAException &e) {
+		return (e.getErrorCode());
+	    } catch (...) {
+		log.internalError(
+		    "Uncaught exception");
+		return (HBA_STATUS_ERROR);
+	    }
+	}
+}
+#ifdef	__cplusplus
+}
+#endif