1 files changed, 278 insertions, 0 deletions
diff --git a/usr/src/lib/sun_fc/common/TgtFCHBA.cc b/usr/src/lib/sun_fc/common/TgtFCHBA.cc
new file mode 100644
index 0000000000..4b0d4b2b56
--- /dev/null
+++ b/usr/src/lib/sun_fc/common/TgtFCHBA.cc
@@ -0,0 +1,278 @@
+/*
+ * 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 <unistd.h>
+
+#include <TgtFCHBA.h>
+#include <Exceptions.h>
+#include <Trace.h>
+#include <iostream>
+#include <iomanip>
+#include <cerrno>
+#include <cstring>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <sys/fctio.h>
+#include <sys/fibre-channel/impl/fc_error.h>
+#include <TgtFCHBAPort.h>
+#include <HBAList.h>
+#include <sun_fc.h>
+
+using namespace std;
+const string TgtFCHBA::FCT_DRIVER_PATH = "/devices/pseudo/fct@0:admin";
+const string TgtFCHBA::FCT_ADAPTER_NAME_PREFIX = "/devices/pseudo/fct@0";
+const string TgtFCHBA::FCT_DRIVER_PKG	= "SUNWfct";
+const int TgtFCHBA::MAX_FCTIO_MSG_LEN = 256;
+
+TgtFCHBA::TgtFCHBA(string path) : HBA()
+{
+    Trace log("TgtFCHBA::TgtFCHBA");
+    log.debug("Constructing new Target mode HBA (%s)", path.c_str());
+
+    // Add a target FCHBA port. With fct driver architecuture, all target mode
+    // FCHBA will have a single port regardless of the multiport support on
+    // FCA layer.
+    addPort(new TgtFCHBAPort(path));
+    name = "INTERNAL-FAILURE"; // Just in case things go wrong
+    try {
+	    HBA_ADAPTERATTRIBUTES attrs = getHBAAttributes();
+	    name = attrs.Manufacturer;
+	    name += "-";
+	    name += attrs.Model;
+	    name += "-Tgt";
+
+    } catch (HBAException &e) {
+	    log.debug(
+		"Failed to get HBA attribute for %s", path.c_str());
+	    throw e;
+    }
+}
+
+std::string TgtFCHBA::getName()
+{
+    Trace log("TgtFCHBA::getName");
+    return (name);
+}
+
+HBA_ADAPTERATTRIBUTES TgtFCHBA::getHBAAttributes()
+{
+    Trace log("TgtFCHBA::getHBAAttributes");
+    int fd;
+
+    errno = 0;
+    HBAPort *port = getPortByIndex(0);
+
+    HBA_ADAPTERATTRIBUTES attributes;
+    fctio_t			    fctio;
+    fc_tgt_hba_adapter_attributes_t	    attrs;
+    uint64_t	portwwn;
+
+    if ((fd = open(FCT_DRIVER_PATH.c_str(), O_NDELAY | O_RDONLY)) == -1) {
+	// Why did we fail?
+	if (errno == EBUSY) {
+	    throw BusyException();
+	} else if (errno == EAGAIN) {
+	    throw TryAgainException();
+	} else if (errno == ENOTSUP) {
+	    throw NotSupportedException();
+	} else {
+	    throw IOError(port);
+	}
+    }
+
+    try {
+	    std::string path = port->getPath();
+	    string::size_type offset = path.find_last_of(".");
+	    if (offset >= 0) {
+		string portwwnString = path.substr(offset+1);
+		portwwn = strtoull(portwwnString.c_str(), NULL, 16);
+	    }
+    } catch (...) {
+	    throw BadArgumentException();
+    }
+
+    uint64_t en_wwn = htonll(portwwn);
+
+    memset(&fctio, 0, sizeof (fctio));
+    fctio.fctio_cmd = FCTIO_GET_ADAPTER_ATTRIBUTES;
+    fctio.fctio_olen = (uint32_t)(sizeof (attrs));
+    fctio.fctio_xfer = FCTIO_XFER_READ;
+    fctio.fctio_obuf = (uint64_t)(uintptr_t)&attrs;
+    fctio.fctio_ilen = 8;
+    fctio.fctio_ibuf = (uint64_t)(uintptr_t)&en_wwn;
+
+    errno = 0;
+    if (ioctl(fd, FCTIO_CMD, &fctio) != 0) {
+	close(fd);
+	if (errno == EBUSY) {
+	    throw BusyException();
+	} else if (errno == EAGAIN) {
+	    throw TryAgainException();
+	} else if (errno == ENOTSUP) {
+	    throw NotSupportedException();
+	} else {
+	    throw IOError("Unable to fetch adapter attributes");
+	}
+    }
+    close(fd);
+
+    /* Now copy over the payload */
+    attributes.NumberOfPorts = attrs.NumberOfPorts;
+    attributes.VendorSpecificID = attrs.VendorSpecificID;
+    memcpy(attributes.Manufacturer, attrs.Manufacturer, 64);
+    memcpy(attributes.SerialNumber, attrs.SerialNumber, 64);
+    memcpy(attributes.Model, attrs.Model, 256);
+    memcpy(attributes.ModelDescription, attrs.ModelDescription, 256);
+    memcpy(attributes.NodeSymbolicName, attrs.NodeSymbolicName, 256);
+    memcpy(attributes.HardwareVersion, attrs.HardwareVersion, 256);
+    memcpy(attributes.DriverVersion, attrs.DriverVersion, 256);
+    memcpy(attributes.OptionROMVersion, attrs.OptionROMVersion, 256);
+    memcpy(attributes.FirmwareVersion, attrs.FirmwareVersion, 256);
+    memcpy(attributes.DriverName, attrs.DriverName, 256);
+    memcpy(&attributes.NodeWWN, &attrs.NodeWWN, 8);
+
+    return (attributes);
+}
+
+void TgtFCHBA::loadAdapters(vector<HBA*> &list)
+{
+    Trace log("TgtFCHBA::loadAdapters");
+    fctio_t			fctio;
+    fc_tgt_hba_list_t		*tgthbaList;
+    int			fd;
+    int			size = 64; // default first attempt
+    bool		retry = false;
+    struct stat		sb;
+    int bufSize;
+    char wwnStr[17];
+
+    /* Before we do anything, let's see if FCT is on the system */
+    errno = 0;
+    if (stat(FCT_DRIVER_PATH.c_str(), &sb) != 0) {
+	if (errno == ENOENT) {
+	    log.genericIOError(
+		"The %s driver is not present."
+                " Please install the %s package.",
+		FCT_DRIVER_PATH.c_str(), FCT_DRIVER_PKG.c_str());
+	    throw NotSupportedException();
+	} else {
+	    log.genericIOError(
+		"Can not stat the %s driver for reason \"%s\" "
+		"Unable to get target mode FC adapters.",
+		FCT_DRIVER_PATH.c_str(), strerror(errno));
+	    throw IOError("Unable to stat FCSM driver");
+	}
+    }
+
+
+    /* construct fcio struct */
+    memset(&fctio, 0, sizeof (fctio_t));
+    fctio.fctio_cmd	= FCTIO_ADAPTER_LIST;
+    fctio.fctio_xfer	= FCTIO_XFER_RW;
+
+    /* open the fcsm node so we can send the ioctl to */
+    errno = 0;
+    if ((fd = open(FCT_DRIVER_PATH.c_str(), O_RDONLY)) < 0) {
+	if (errno == EBUSY) {
+	    throw BusyException();
+	} else if (errno == EAGAIN) {
+	    throw TryAgainException();
+	} else if (errno == ENOTSUP) {
+	    throw NotSupportedException();
+	} else if (errno == ENOENT) {
+	    throw UnavailableException();
+	} else {
+	    throw IOError("Unable to open FCT driver");
+	}
+    }
+
+    do {
+	retry = false;
+	errno = 0;
+	bufSize = 8 * (size - 1) + (int) sizeof (fc_tgt_hba_list_t);
+	tgthbaList = (fc_tgt_hba_list_t *)new uchar_t[bufSize];
+	tgthbaList->numPorts = size;
+	fctio.fctio_olen	= bufSize;
+	fctio.fctio_obuf	= (uint64_t)(uintptr_t)tgthbaList;
+	if (ioctl(fd, FCTIO_CMD, &fctio) != 0) {
+	    /* Interpret the fcio error code */
+	    char fcioErrorString[MAX_FCTIO_MSG_LEN] = "";
+
+	    log.genericIOError(
+		"TGT_ADAPTER_LIST failed: "
+		"Errno: \"%s\"",
+		strerror(errno));
+	    delete (tgthbaList);
+	    close(fd);
+	    if (errno == EBUSY) {
+		throw BusyException();
+	    } else if (errno == EAGAIN) {
+		throw TryAgainException();
+	    } else if (errno == ENOTSUP) {
+		throw NotSupportedException();
+	    } else if (errno == ENOENT) {
+		throw UnavailableException();
+	    } else {
+		throw IOError("Unable to build HBA list");
+	    }
+	}
+	if (tgthbaList->numPorts > size) {
+	    log.debug(
+		"Buffer too small for number of target mode HBAs. Retrying.");
+	    size = tgthbaList->numPorts;
+	    retry = true;
+	    delete (tgthbaList);
+	}
+    } while (retry);
+
+    close(fd);
+    log.debug("Detected %d target mode adapters", tgthbaList->numPorts);
+    for (int i = 0; i < tgthbaList->numPorts; i++) {
+	try {
+	    std::string hbapath = FCT_ADAPTER_NAME_PREFIX.c_str();
+	    hbapath += ".";
+	    // move the row with two dimentional uint8 array for WWN 
+	    uint64_t tmp = ntohll(*((uint64_t *)&tgthbaList->port_wwn[i][0]));
+	    sprintf(wwnStr, "%llx", tmp);
+	    hbapath += wwnStr;
+	    
+	    HBA *hba = new TgtFCHBA(hbapath);
+	    list.insert(list.begin(), hba);
+	} catch (...) {
+	    log.debug(
+		"Ignoring partial failure while loading an HBA");
+	}
+    }
+    if (tgthbaList->numPorts > HBAList::HBA_MAX_PER_LIST) {
+	delete(tgthbaList);
+	throw InternalError(
+	    "Exceeds max number of adatpers that VSL supports.");
+    }
+    delete (tgthbaList);
+}