Commit 05e8ec17 authored by Michael Reed's avatar Michael Reed Committed by James Bottomley
Browse files

[SCSI] mptfusion - fc transport attributes


Signed-off-by: default avatarMichael Reed <mdr@sgi.com>
Signed-off-by: default avatarEric Moore <Eric.Moore@lsil.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent d158d261
......@@ -148,7 +148,6 @@ static int WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
static int WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
static int WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
static int GetLanConfigPages(MPT_ADAPTER *ioc);
static int GetFcPortPage0(MPT_ADAPTER *ioc, int portnum);
static int GetIoUnitPage2(MPT_ADAPTER *ioc);
int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
static int mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
......@@ -1244,6 +1243,8 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
ioc->pcidev = pdev;
ioc->diagPending = 0;
spin_lock_init(&ioc->diagLock);
spin_lock_init(&ioc->fc_rescan_work_lock);
spin_lock_init(&ioc->fc_rport_lock);
spin_lock_init(&ioc->initializing_hba_lock);
/* Initialize the event logging.
......@@ -1267,6 +1268,10 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
*/
INIT_LIST_HEAD(&ioc->configQ);
/* Initialize the fc rport list head.
*/
INIT_LIST_HEAD(&ioc->fc_rports);
/* Find lookup slot. */
INIT_LIST_HEAD(&ioc->list);
ioc->id = mpt_ids++;
......@@ -1879,7 +1884,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
* (FCPortPage0_t stuff)
*/
for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
(void) GetFcPortPage0(ioc, ii);
(void) mptbase_GetFcPortPage0(ioc, ii);
}
if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) &&
......@@ -4198,7 +4203,7 @@ GetLanConfigPages(MPT_ADAPTER *ioc)
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* GetFcPortPage0 - Fetch FCPort config Page0.
* mptbase_GetFcPortPage0 - Fetch FCPort config Page0.
* @ioc: Pointer to MPT_ADAPTER structure
* @portnum: IOC Port number
*
......@@ -4208,8 +4213,8 @@ GetLanConfigPages(MPT_ADAPTER *ioc)
* -EAGAIN if no msg frames currently available
* -EFAULT for non-successful reply or no reply (timeout)
*/
static int
GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
int
mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
{
ConfigPageHeader_t hdr;
CONFIGPARMS cfg;
......@@ -4219,6 +4224,8 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
int data_sz;
int copy_sz;
int rc;
int count = 400;
/* Get FCPort Page 0 header */
hdr.PageVersion = 0;
......@@ -4242,6 +4249,8 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
rc = -ENOMEM;
ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
if (ppage0_alloc) {
try_again:
memset((u8 *)ppage0_alloc, 0, data_sz);
cfg.physAddr = page0_dma;
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
......@@ -4273,6 +4282,19 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
/*
* if still doing discovery,
* hang loose a while until finished
*/
if (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) {
if (count-- > 0) {
msleep_interruptible(100);
goto try_again;
}
printk(MYIOC_s_INFO_FMT "Firmware discovery not"
" complete.\n",
ioc->name);
}
}
pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
......@@ -6357,6 +6379,7 @@ EXPORT_SYMBOL(mpt_alloc_fw_memory);
EXPORT_SYMBOL(mpt_free_fw_memory);
EXPORT_SYMBOL(mptbase_sas_persist_operation);
EXPORT_SYMBOL(mpt_alt_ioc_wait);
EXPORT_SYMBOL(mptbase_GetFcPortPage0);
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
......
......@@ -76,8 +76,8 @@
#define COPYRIGHT "Copyright (c) 1999-2005 " MODULEAUTHOR
#endif
#define MPT_LINUX_VERSION_COMMON "3.03.05"
#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.03.05"
#define MPT_LINUX_VERSION_COMMON "3.03.06"
#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.03.06"
#define WHAT_MAGIC_STRING "@" "(" "#" ")"
#define show_mptmod_ver(s,ver) \
......@@ -499,6 +499,22 @@ typedef struct _RaidCfgData {
int isRaid; /* bit field, 1 if RAID */
}RaidCfgData;
#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */
#define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */
#define MPT_RPORT_INFO_FLAGS_MAPPED_VDEV 0x04 /* target mapped in vdev */
/*
* data allocated for each fc rport device
*/
struct mptfc_rport_info
{
struct list_head list;
struct fc_rport *rport;
VirtDevice *vdev;
FCDevicePage0_t pg0;
u8 flags;
};
/*
* Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
*/
......@@ -614,6 +630,13 @@ typedef struct _MPT_ADAPTER
struct list_head sas_topology;
struct mutex sas_topology_mutex;
MPT_SAS_MGMT sas_mgmt;
struct list_head fc_rports;
spinlock_t fc_rport_lock; /* list and ri flags */
spinlock_t fc_rescan_work_lock;
int fc_rescan_work_count;
struct work_struct fc_rescan_work;
} MPT_ADAPTER;
/*
......@@ -1000,6 +1023,7 @@ extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
extern int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
extern int mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum);
extern int mpt_alt_ioc_wait(MPT_ADAPTER *ioc);
/*
......
......@@ -55,12 +55,14 @@
#include <linux/reboot.h> /* notifier code */
#include <linux/sched.h>
#include <linux/workqueue.h>
#include <linux/sort.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_transport_fc.h>
#include "mptbase.h"
#include "mptscsih.h"
......@@ -79,19 +81,34 @@ static int mpt_pq_filter = 0;
module_param(mpt_pq_filter, int, 0);
MODULE_PARM_DESC(mpt_pq_filter, " Enable peripheral qualifier filter: enable=1 (default=0)");
#define MPTFC_DEV_LOSS_TMO (60)
static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */
module_param(mptfc_dev_loss_tmo, int, 0);
MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the "
" transport to wait for an rport to "
" return following a device loss event."
" Default=60.");
static int mptfcDoneCtx = -1;
static int mptfcTaskCtx = -1;
static int mptfcInternalCtx = -1; /* Used only for internal commands */
int mptfc_slave_alloc(struct scsi_device *device);
static int mptfc_qcmd(struct scsi_cmnd *SCpnt,
void (*done)(struct scsi_cmnd *));
static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
static void __devexit mptfc_remove(struct pci_dev *pdev);
static struct scsi_host_template mptfc_driver_template = {
.module = THIS_MODULE,
.proc_name = "mptfc",
.proc_info = mptscsih_proc_info,
.name = "MPT FC Host",
.info = mptscsih_info,
.queuecommand = mptscsih_qcmd,
.queuecommand = mptfc_qcmd,
.target_alloc = mptscsih_target_alloc,
.slave_alloc = mptscsih_slave_alloc,
.slave_alloc = mptfc_slave_alloc,
.slave_configure = mptscsih_slave_configure,
.target_destroy = mptscsih_target_destroy,
.slave_destroy = mptscsih_slave_destroy,
......@@ -132,15 +149,472 @@ static struct pci_device_id mptfc_pci_table[] = {
};
MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
static struct scsi_transport_template *mptfc_transport_template = NULL;
struct fc_function_template mptfc_transport_functions = {
.dd_fcrport_size = 8,
.show_host_node_name = 1,
.show_host_port_name = 1,
.show_host_supported_classes = 1,
.show_host_port_id = 1,
.show_rport_supported_classes = 1,
.show_starget_node_name = 1,
.show_starget_port_name = 1,
.show_starget_port_id = 1,
.set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
};
/* FIXME! values controlling firmware RESCAN event
* need to be set low to allow dev_loss_tmo to
* work as expected. Currently, firmware doesn't
* notify driver of RESCAN event until some number
* of seconds elapse. This value can be set via
* lsiutil.
*/
static void
mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
if (timeout > 0)
rport->dev_loss_tmo = timeout;
else
rport->dev_loss_tmo = mptfc_dev_loss_tmo;
}
static int
mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
{
FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
return 0;
if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
return -1;
return 1;
}
if ((*aa)->CurrentBus < (*bb)->CurrentBus)
return -1;
return 1;
}
static int
mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
{
ConfigPageHeader_t hdr;
CONFIGPARMS cfg;
FCDevicePage0_t *ppage0_alloc, *fc;
dma_addr_t page0_dma;
int data_sz;
int ii;
FCDevicePage0_t *p0_array=NULL, *p_p0;
FCDevicePage0_t **pp0_array=NULL, **p_pp0;
int rc = -ENOMEM;
U32 port_id = 0xffffff;
int num_targ = 0;
int max_bus = ioc->facts.MaxBuses;
int max_targ = ioc->facts.MaxDevices;
if (max_bus == 0 || max_targ == 0)
goto out;
data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
if (!p0_array)
goto out;
data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
if (!pp0_array)
goto out;
do {
/* Get FC Device Page 0 header */
hdr.PageVersion = 0;
hdr.PageLength = 0;
hdr.PageNumber = 0;
hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
cfg.cfghdr.hdr = &hdr;
cfg.physAddr = -1;
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
cfg.dir = 0;
cfg.pageAddr = port_id;
cfg.timeout = 0;
if ((rc = mpt_config(ioc, &cfg)) != 0)
break;
if (hdr.PageLength <= 0)
break;
data_sz = hdr.PageLength * 4;
ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
&page0_dma);
rc = -ENOMEM;
if (!ppage0_alloc)
break;
cfg.physAddr = page0_dma;
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
if ((rc = mpt_config(ioc, &cfg)) == 0) {
ppage0_alloc->PortIdentifier =
le32_to_cpu(ppage0_alloc->PortIdentifier);
ppage0_alloc->WWNN.Low =
le32_to_cpu(ppage0_alloc->WWNN.Low);
ppage0_alloc->WWNN.High =
le32_to_cpu(ppage0_alloc->WWNN.High);
ppage0_alloc->WWPN.Low =
le32_to_cpu(ppage0_alloc->WWPN.Low);
ppage0_alloc->WWPN.High =
le32_to_cpu(ppage0_alloc->WWPN.High);
ppage0_alloc->BBCredit =
le16_to_cpu(ppage0_alloc->BBCredit);
ppage0_alloc->MaxRxFrameSize =
le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
port_id = ppage0_alloc->PortIdentifier;
num_targ++;
*p_p0 = *ppage0_alloc; /* save data */
*p_pp0++ = p_p0++; /* save addr */
}
pci_free_consistent(ioc->pcidev, data_sz,
(u8 *) ppage0_alloc, page0_dma);
if (rc != 0)
break;
} while (port_id <= 0xff0000);
if (num_targ) {
/* sort array */
if (num_targ > 1)
sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
mptfc_FcDevPage0_cmp_func, NULL);
/* call caller's func for each targ */
for (ii = 0; ii < num_targ; ii++) {
fc = *(pp0_array+ii);
func(ioc, ioc_port, fc);
}
}
out:
if (pp0_array)
kfree(pp0_array);
if (p0_array)
kfree(p0_array);
return rc;
}
static int
mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
{
/* not currently usable */
if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
return -1;
if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
return -1;
if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
return -1;
/*
* board data structure already normalized to platform endianness
* shifted to avoid unaligned access on 64 bit architecture
*/
rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
rid->port_id = pg0->PortIdentifier;
rid->roles = FC_RPORT_ROLE_UNKNOWN;
rid->roles |= FC_RPORT_ROLE_FCP_TARGET;
if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
rid->roles |= FC_RPORT_ROLE_FCP_INITIATOR;
return 0;
}
static void
mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
{
struct fc_rport_identifiers rport_ids;
struct fc_rport *rport;
struct mptfc_rport_info *ri;
int match = 0;
u64 port_name;
unsigned long flags;
if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
return;
/* scan list looking for a match */
spin_lock_irqsave(&ioc->fc_rport_lock, flags);
list_for_each_entry(ri, &ioc->fc_rports, list) {
port_name = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
if (port_name == rport_ids.port_name) { /* match */
list_move_tail(&ri->list, &ioc->fc_rports);
match = 1;
break;
}
}
if (!match) { /* allocate one */
spin_unlock_irqrestore(&ioc->fc_rport_lock, flags);
ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
if (!ri)
return;
spin_lock_irqsave(&ioc->fc_rport_lock, flags);
list_add_tail(&ri->list, &ioc->fc_rports);
}
ri->pg0 = *pg0; /* add/update pg0 data */
ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
spin_unlock_irqrestore(&ioc->fc_rport_lock, flags);
rport = fc_remote_port_add(ioc->sh,channel, &rport_ids);
spin_lock_irqsave(&ioc->fc_rport_lock, flags);
if (rport) {
if (*((struct mptfc_rport_info **)rport->dd_data) != ri) {
ri->flags &= ~MPT_RPORT_INFO_FLAGS_MAPPED_VDEV;
ri->vdev = NULL;
ri->rport = rport;
*((struct mptfc_rport_info **)rport->dd_data) = ri;
}
rport->dev_loss_tmo = mptfc_dev_loss_tmo;
/*
* if already mapped, remap here. If not mapped,
* slave_alloc will allocate vdev and map
*/
if (ri->flags & MPT_RPORT_INFO_FLAGS_MAPPED_VDEV) {
ri->vdev->target_id = ri->pg0.CurrentTargetID;
ri->vdev->bus_id = ri->pg0.CurrentBus;
ri->vdev->vtarget->target_id = ri->vdev->target_id;
ri->vdev->vtarget->bus_id = ri->vdev->bus_id;
}
#ifdef MPT_DEBUG
printk ("mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
"rport tid %d, tmo %d\n",
ioc->sh->host_no,
pg0->PortIdentifier,
pg0->WWNN,
pg0->WWPN,
pg0->CurrentTargetID,
ri->rport->scsi_target_id,
ri->rport->dev_loss_tmo);
#endif
} else {
list_del(&ri->list);
kfree(ri);
ri = NULL;
}
}
spin_unlock_irqrestore(&ioc->fc_rport_lock,flags);
}
/*
* mptfc_probe - Installs scsi devices per bus.
* @pdev: Pointer to pci_dev structure
*
* Returns 0 for success, non-zero for failure.
*
* OS entry point to allow host driver to alloc memory
* for each scsi device. Called once per device the bus scan.
* Return non-zero if allocation fails.
* Init memory once per LUN.
*/
int
mptfc_slave_alloc(struct scsi_device *sdev)
{
MPT_SCSI_HOST *hd;
VirtTarget *vtarget;
VirtDevice *vdev;
struct scsi_target *starget;
struct fc_rport *rport;
struct mptfc_rport_info *ri;
unsigned long flags;
rport = starget_to_rport(scsi_target(sdev));
if (!rport || fc_remote_port_chkready(rport))
return -ENXIO;
hd = (MPT_SCSI_HOST *)sdev->host->hostdata;
vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
if (!vdev) {
printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
hd->ioc->name, sizeof(VirtDevice));
return -ENOMEM;
}
memset(vdev, 0, sizeof(VirtDevice));
spin_lock_irqsave(&hd->ioc->fc_rport_lock,flags);
if (!(ri = *((struct mptfc_rport_info **)rport->dd_data))) {
spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags);
kfree(vdev);
return -ENODEV;
}
sdev->hostdata = vdev;
starget = scsi_target(sdev);
vtarget = starget->hostdata;
if (vtarget->num_luns == 0) {
vtarget->tflags = MPT_TARGET_FLAGS_Q_YES |
MPT_TARGET_FLAGS_VALID_INQUIRY;
hd->Targets[sdev->id] = vtarget;
}
vtarget->target_id = vdev->target_id;
vtarget->bus_id = vdev->bus_id;
vdev->vtarget = vtarget;
vdev->ioc_id = hd->ioc->id;
vdev->lun = sdev->lun;
vdev->target_id = ri->pg0.CurrentTargetID;
vdev->bus_id = ri->pg0.CurrentBus;
ri->flags |= MPT_RPORT_INFO_FLAGS_MAPPED_VDEV;
ri->vdev = vdev;
spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags);
vtarget->num_luns++;
#ifdef MPT_DEBUG
printk ("mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
"CurrentTargetID %d, %x %llx %llx\n",
sdev->host->host_no,
vtarget->num_luns,
sdev->id, ri->pg0.CurrentTargetID,
ri->pg0.PortIdentifier, ri->pg0.WWPN, ri->pg0.WWNN);
#endif
return 0;
}
static int
mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
{
struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
int err;
err = fc_remote_port_chkready(rport);
if (unlikely(err)) {
SCpnt->result = err;
done(SCpnt);
return 0;
}
return mptscsih_qcmd(SCpnt,done);
}
static void
mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
{
unsigned class = 0, cos = 0;
/* don't know what to do as only one scsi (fc) host was allocated */
if (portnum != 0)
return;
class = ioc->fc_port_page0[portnum].SupportedServiceClass;
if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
cos |= FC_COS_CLASS1;
if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
cos |= FC_COS_CLASS2;
if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
cos |= FC_COS_CLASS3;
fc_host_node_name(ioc->sh) =
(u64)ioc->fc_port_page0[portnum].WWNN.High << 32
| (u64)ioc->fc_port_page0[portnum].WWNN.Low;
fc_host_port_name(ioc->sh) =
(u64)ioc->fc_port_page0[portnum].WWPN.High << 32
| (u64)ioc->fc_port_page0[portnum].WWPN.Low;
fc_host_port_id(ioc->sh) = ioc->fc_port_page0[portnum].PortIdentifier;
fc_host_supported_classes(ioc->sh) = cos;