lpfc: add Emulex FC driver version 8.0.28

From: 	James.Smart@Emulex.Com

Modified for kernel import and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

20 files changed, 20928 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/Makefile b/drivers/scsi/lpfc/Makefile
new file mode 100644
index 00000000000..2b3098591c4
--- /dev/null
+++ b/drivers/scsi/lpfc/Makefile
@@ -0,0 +1,32 @@
+#/*******************************************************************
+# * This file is part of the Emulex Linux Device Driver for         *
+# * Enterprise Fibre Channel Host Bus Adapters.                     *
+# * Refer to the README file included with this package for         *
+# * driver version and adapter support.                             *
+# * Copyright (C) 2004 Emulex Corporation.                          *
+# * www.emulex.com                                                  *
+# *                                                                 *
+# * This program is free software; you can redistribute it and/or   *
+# * modify it under the terms of the GNU General Public License     *
+# * as published by the Free Software Foundation; either version 2  *
+# * of the License, or (at your option) any later version.          *
+# *                                                                 *
+# * This program is distributed in the hope that it will be useful, *
+# * but WITHOUT ANY WARRANTY; without even the implied warranty of  *
+# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
+# * GNU General Public License for more details, a copy of which    *
+# * can be found in the file COPYING included with this package.    *
+# *******************************************************************/
+######################################################################
+
+#$Id: Makefile 1.58 2005/01/23 19:00:32EST sf_support Exp  $
+
+ifneq ($(GCOV),)
+  EXTRA_CFLAGS += -fprofile-arcs -ftest-coverage
+  EXTRA_CFLAGS += -O0
+endif
+
+obj-$(CONFIG_SCSI_LPFC) := lpfc.o
+
+lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o	\
+	lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
new file mode 100644
index 00000000000..d78247c63d0
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -0,0 +1,384 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Enterprise Fibre Channel Host Bus Adapters.                     *
+ * Refer to the README file included with this package for         *
+ * driver version and adapter support.                             *
+ * Copyright (C) 2004 Emulex Corporation.                          *
+ * www.emulex.com                                                  *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of the GNU General Public License     *
+ * as published by the Free Software Foundation; either version 2  *
+ * of the License, or (at your option) any later version.          *
+ *                                                                 *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of  *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
+ * GNU General Public License for more details, a copy of which    *
+ * can be found in the file COPYING included with this package.    *
+ *******************************************************************/
+
+/*
+ * $Id: lpfc.h 1.167 2005/04/07 08:47:05EDT sf_support Exp  $
+ */
+
+struct lpfc_sli2_slim;
+
+#define LPFC_MAX_TARGET         256	/* max targets supported */
+#define LPFC_MAX_DISC_THREADS	64	/* max outstanding discovery els req */
+#define LPFC_MAX_NS_RETRY       3	/* max NameServer retries */
+
+#define LPFC_DFT_HBA_Q_DEPTH	2048	/* max cmds per hba */
+#define LPFC_LC_HBA_Q_DEPTH	1024	/* max cmds per low cost hba */
+#define LPFC_LP101_HBA_Q_DEPTH	128	/* max cmds per low cost hba */
+
+#define LPFC_CMD_PER_LUN	30	/* max outstanding cmds per lun */
+#define LPFC_SG_SEG_CNT		64	/* sg element count per scsi cmnd */
+#define LPFC_IOCB_LIST_CNT	2250	/* list of IOCBs for fast-path usage. */
+
+/* Define macros for 64 bit support */
+#define putPaddrLow(addr)    ((uint32_t) (0xffffffff & (u64)(addr)))
+#define putPaddrHigh(addr)   ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
+#define getPaddr(high, low)  ((dma_addr_t)( \
+			     (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
+/* Provide maximum configuration definitions. */
+#define LPFC_DRVR_TIMEOUT	16	/* driver iocb timeout value in sec */
+#define MAX_FCP_TARGET		256	/* max num of FCP targets supported */
+#define FC_MAX_ADPTMSG		64
+
+#define MAX_HBAEVT	32
+
+/* Provide DMA memory definitions the driver uses per port instance. */
+struct lpfc_dmabuf {
+	struct list_head list;
+	void *virt;		/* virtual address ptr */
+	dma_addr_t phys;	/* mapped address */
+};
+
+struct lpfc_dma_pool {
+	struct lpfc_dmabuf   *elements;
+	uint32_t    max_count;
+	uint32_t    current_count;
+};
+
+/* Priority bit.  Set value to exceed low water mark in lpfc_mem. */
+#define MEM_PRI		0x100
+
+
+/****************************************************************************/
+/*      Device VPD save area                                                */
+/****************************************************************************/
+typedef struct lpfc_vpd {
+	uint32_t status;	/* vpd status value */
+	uint32_t length;	/* number of bytes actually returned */
+	struct {
+		uint32_t rsvd1;	/* Revision numbers */
+		uint32_t biuRev;
+		uint32_t smRev;
+		uint32_t smFwRev;
+		uint32_t endecRev;
+		uint16_t rBit;
+		uint8_t fcphHigh;
+		uint8_t fcphLow;
+		uint8_t feaLevelHigh;
+		uint8_t feaLevelLow;
+		uint32_t postKernRev;
+		uint32_t opFwRev;
+		uint8_t opFwName[16];
+		uint32_t sli1FwRev;
+		uint8_t sli1FwName[16];
+		uint32_t sli2FwRev;
+		uint8_t sli2FwName[16];
+	} rev;
+} lpfc_vpd_t;
+
+struct lpfc_scsi_buf;
+
+
+/*
+ * lpfc stat counters
+ */
+struct lpfc_stats {
+	/* Statistics for ELS commands */
+	uint32_t elsLogiCol;
+	uint32_t elsRetryExceeded;
+	uint32_t elsXmitRetry;
+	uint32_t elsDelayRetry;
+	uint32_t elsRcvDrop;
+	uint32_t elsRcvFrame;
+	uint32_t elsRcvRSCN;
+	uint32_t elsRcvRNID;
+	uint32_t elsRcvFARP;
+	uint32_t elsRcvFARPR;
+	uint32_t elsRcvFLOGI;
+	uint32_t elsRcvPLOGI;
+	uint32_t elsRcvADISC;
+	uint32_t elsRcvPDISC;
+	uint32_t elsRcvFAN;
+	uint32_t elsRcvLOGO;
+	uint32_t elsRcvPRLO;
+	uint32_t elsRcvPRLI;
+	uint32_t elsRcvRRQ;
+	uint32_t elsXmitFLOGI;
+	uint32_t elsXmitPLOGI;
+	uint32_t elsXmitPRLI;
+	uint32_t elsXmitADISC;
+	uint32_t elsXmitLOGO;
+	uint32_t elsXmitSCR;
+	uint32_t elsXmitRNID;
+	uint32_t elsXmitFARP;
+	uint32_t elsXmitFARPR;
+	uint32_t elsXmitACC;
+	uint32_t elsXmitLSRJT;
+
+	uint32_t frameRcvBcast;
+	uint32_t frameRcvMulti;
+	uint32_t strayXmitCmpl;
+	uint32_t frameXmitDelay;
+	uint32_t xriCmdCmpl;
+	uint32_t xriStatErr;
+	uint32_t LinkUp;
+	uint32_t LinkDown;
+	uint32_t LinkMultiEvent;
+	uint32_t NoRcvBuf;
+	uint32_t fcpCmd;
+	uint32_t fcpCmpl;
+	uint32_t fcpRspErr;
+	uint32_t fcpRemoteStop;
+	uint32_t fcpPortRjt;
+	uint32_t fcpPortBusy;
+	uint32_t fcpError;
+	uint32_t fcpLocalErr;
+};
+
+enum sysfs_mbox_state {
+	SMBOX_IDLE,
+	SMBOX_WRITING,
+	SMBOX_READING
+};
+
+struct lpfc_sysfs_mbox {
+	enum sysfs_mbox_state state;
+	size_t                offset;
+	struct lpfcMboxq *    mbox;
+};
+
+struct lpfc_hba {
+	struct list_head hba_list;	/* List of hbas/ports */
+	struct lpfc_sli sli;
+	struct lpfc_sli2_slim *slim2p;
+	dma_addr_t slim2p_mapping;
+	uint16_t pci_cfg_value;
+
+	uint32_t hba_state;
+
+#define LPFC_INIT_START           1	/* Initial state after board reset */
+#define LPFC_INIT_MBX_CMDS        2	/* Initialize HBA with mbox commands */
+#define LPFC_LINK_DOWN            3	/* HBA initialized, link is down */
+#define LPFC_LINK_UP              4	/* Link is up  - issue READ_LA */
+#define LPFC_LOCAL_CFG_LINK       5	/* local NPORT Id configured */
+#define LPFC_FLOGI                6	/* FLOGI sent to Fabric */
+#define LPFC_FABRIC_CFG_LINK      7	/* Fabric assigned NPORT Id
+					   configured */
+#define LPFC_NS_REG               8	/* Register with NameServer */
+#define LPFC_NS_QRY               9	/* Query NameServer for NPort ID list */
+#define LPFC_BUILD_DISC_LIST      10	/* Build ADISC and PLOGI lists for
+					 * device authentication / discovery */
+#define LPFC_DISC_AUTH            11	/* Processing ADISC list */
+#define LPFC_CLEAR_LA             12	/* authentication cmplt - issue
+					   CLEAR_LA */
+#define LPFC_HBA_READY            32
+#define LPFC_HBA_ERROR            0xff
+
+	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */
+
+	uint32_t fc_eventTag;	/* event tag for link attention */
+	uint32_t fc_prli_sent;	/* cntr for outstanding PRLIs */
+
+	uint32_t num_disc_nodes;	/*in addition to hba_state */
+
+	struct timer_list fc_estabtmo;	/* link establishment timer */
+	struct timer_list fc_disctmo;	/* Discovery rescue timer */
+	struct timer_list fc_fdmitmo;	/* fdmi timer */
+	/* These fields used to be binfo */
+	struct lpfc_name fc_nodename;	/* fc nodename */
+	struct lpfc_name fc_portname;	/* fc portname */
+	uint32_t fc_pref_DID;	/* preferred D_ID */
+	uint8_t fc_pref_ALPA;	/* preferred AL_PA */
+	uint32_t fc_edtov;	/* E_D_TOV timer value */
+	uint32_t fc_arbtov;	/* ARB_TOV timer value */
+	uint32_t fc_ratov;	/* R_A_TOV timer value */
+	uint32_t fc_rttov;	/* R_T_TOV timer value */
+	uint32_t fc_altov;	/* AL_TOV timer value */
+	uint32_t fc_crtov;	/* C_R_TOV timer value */
+	uint32_t fc_citov;	/* C_I_TOV timer value */
+	uint32_t fc_myDID;	/* fibre channel S_ID */
+	uint32_t fc_prevDID;	/* previous fibre channel S_ID */
+
+	struct serv_parm fc_sparam;	/* buffer for our service parameters */
+	struct serv_parm fc_fabparam;	/* fabric service parameters buffer */
+	uint8_t alpa_map[128];	/* AL_PA map from READ_LA */
+
+	uint8_t fc_ns_retry;	/* retries for fabric nameserver */
+	uint32_t fc_nlp_cnt;	/* outstanding NODELIST requests */
+	uint32_t fc_rscn_id_cnt;	/* count of RSCNs payloads in list */
+	struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
+	uint32_t lmt;
+	uint32_t fc_flag;	/* FC flags */
+#define FC_PT2PT                0x1	/* pt2pt with no fabric */
+#define FC_PT2PT_PLOGI          0x2	/* pt2pt initiate PLOGI */
+#define FC_DISC_TMO             0x4	/* Discovery timer running */
+#define FC_PUBLIC_LOOP          0x8	/* Public loop */
+#define FC_LBIT                 0x10	/* LOGIN bit in loopinit set */
+#define FC_RSCN_MODE            0x20	/* RSCN cmd rcv'ed */
+#define FC_NLP_MORE             0x40	/* More node to process in node tbl */
+#define FC_OFFLINE_MODE         0x80	/* Interface is offline for diag */
+#define FC_FABRIC               0x100	/* We are fabric attached */
+#define FC_ESTABLISH_LINK       0x200	/* Reestablish Link */
+#define FC_RSCN_DISCOVERY       0x400	/* Authenticate all devices after RSCN*/
+#define FC_LOADING		0x1000	/* HBA in process of loading drvr */
+#define FC_UNLOADING		0x2000	/* HBA in process of unloading drvr */
+#define FC_SCSI_SCAN_TMO        0x4000	/* scsi scan timer running */
+#define FC_ABORT_DISCOVERY      0x8000	/* we want to abort discovery */
+#define FC_NDISC_ACTIVE         0x10000	/* NPort discovery active */
+
+	uint32_t fc_topology;	/* link topology, from LINK INIT */
+
+	struct lpfc_stats fc_stat;
+
+	/* These are the head/tail pointers for the bind, plogi, adisc, unmap,
+	 *  and map lists.  Their counters are immediately following.
+	 */
+	struct list_head fc_plogi_list;
+	struct list_head fc_adisc_list;
+	struct list_head fc_reglogin_list;
+	struct list_head fc_prli_list;
+	struct list_head fc_nlpunmap_list;
+	struct list_head fc_nlpmap_list;
+	struct list_head fc_npr_list;
+	struct list_head fc_unused_list;
+
+	/* Keep counters for the number of entries in each list. */
+	uint16_t fc_plogi_cnt;
+	uint16_t fc_adisc_cnt;
+	uint16_t fc_reglogin_cnt;
+	uint16_t fc_prli_cnt;
+	uint16_t fc_unmap_cnt;
+	uint16_t fc_map_cnt;
+	uint16_t fc_npr_cnt;
+	uint16_t fc_unused_cnt;
+	struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
+	uint32_t nport_event_cnt;	/* timestamp for nlplist entry */
+
+#define LPFC_RPI_HASH_SIZE     64
+#define LPFC_RPI_HASH_FUNC(x)  ((x) & (0x3f))
+	/* ptr to active D_ID / RPIs */
+	struct lpfc_nodelist *fc_nlplookup[LPFC_RPI_HASH_SIZE];
+	uint32_t wwnn[2];
+	uint32_t RandomData[7];
+
+	uint32_t cfg_log_verbose;
+	uint32_t cfg_lun_queue_depth;
+	uint32_t cfg_nodev_tmo;
+	uint32_t cfg_hba_queue_depth;
+	uint32_t cfg_fcp_class;
+	uint32_t cfg_use_adisc;
+	uint32_t cfg_ack0;
+	uint32_t cfg_topology;
+	uint32_t cfg_scan_down;
+	uint32_t cfg_link_speed;
+	uint32_t cfg_cr_delay;
+	uint32_t cfg_cr_count;
+	uint32_t cfg_fdmi_on;
+	uint32_t cfg_fcp_bind_method;
+	uint32_t cfg_discovery_threads;
+	uint32_t cfg_max_luns;
+	uint32_t cfg_sg_seg_cnt;
+	uint32_t cfg_sg_dma_buf_size;
+
+	lpfc_vpd_t vpd;		/* vital product data */
+
+	struct Scsi_Host *host;
+	struct pci_dev *pcidev;
+	struct list_head      work_list;
+	uint32_t              work_ha;      /* Host Attention Bits for WT */
+	uint32_t              work_ha_mask; /* HA Bits owned by WT        */
+	uint32_t              work_hs;      /* HS stored in case of ERRAT */
+	uint32_t              work_status[2]; /* Extra status from SLIM */
+	uint32_t              work_hba_events; /* Timeout to be handled  */
+#define WORKER_DISC_TMO                0x1	/* Discovery timeout */
+#define WORKER_ELS_TMO                 0x2	/* ELS timeout */
+#define WORKER_MBOX_TMO                0x4	/* MBOX timeout */
+#define WORKER_FDMI_TMO                0x8	/* FDMI timeout */
+
+	wait_queue_head_t    *work_wait;
+	struct task_struct   *worker_thread;
+
+	unsigned long pci_bar0_map;     /* Physical address for PCI BAR0 */
+	unsigned long pci_bar2_map;     /* Physical address for PCI BAR2 */
+	void __iomem *slim_memmap_p;	/* Kernel memory mapped address for
+					   PCI BAR0 */
+	void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
+					    PCI BAR2 */
+
+	void __iomem *MBslimaddr;	/* virtual address for mbox cmds */
+	void __iomem *HAregaddr;	/* virtual address for host attn reg */
+	void __iomem *CAregaddr;	/* virtual address for chip attn reg */
+	void __iomem *HSregaddr;	/* virtual address for host status
+					   reg */
+	void __iomem *HCregaddr;	/* virtual address for host ctl reg */
+
+	int brd_no;			/* FC board number */
+
+	char SerialNumber[32];		/* adapter Serial Number */
+	char OptionROMVersion[32];	/* adapter BIOS / Fcode version */
+	char ModelDesc[256];		/* Model Description */
+	char ModelName[80];		/* Model Name */
+	char ProgramType[256];		/* Program Type */
+	char Port[20];			/* Port No */
+	uint8_t vpd_flag;               /* VPD data flag */
+
+#define VPD_MODEL_DESC      0x1         /* valid vpd model description */
+#define VPD_MODEL_NAME      0x2         /* valid vpd model name */
+#define VPD_PROGRAM_TYPE    0x4         /* valid vpd program type */
+#define VPD_PORT            0x8         /* valid vpd port data */
+#define VPD_MASK            0xf         /* mask for any vpd data */
+
+	struct timer_list els_tmofunc;
+
+	void *link_stats;
+
+	/*
+	 * stat  counters
+	 */
+	uint64_t fc4InputRequests;
+	uint64_t fc4OutputRequests;
+	uint64_t fc4ControlRequests;
+
+	struct lpfc_sysfs_mbox sysfs_mbox;
+
+	/* fastpath list. */
+	struct list_head lpfc_scsi_buf_list;
+	uint32_t total_scsi_bufs;
+	struct list_head lpfc_iocb_list;
+	uint32_t total_iocbq_bufs;
+
+	/* pci_mem_pools */
+	struct pci_pool *lpfc_scsi_dma_buf_pool;
+	struct pci_pool *lpfc_mbuf_pool;
+	struct lpfc_dma_pool lpfc_mbuf_safety_pool;
+
+	mempool_t *mbox_mem_pool;
+	mempool_t *nlp_mem_pool;
+	struct list_head freebufList;
+	struct list_head ctrspbuflist;
+	struct list_head rnidrspbuflist;
+};
+
+
+struct rnidrsp {
+	void *buf;
+	uint32_t uniqueid;
+	struct list_head list;
+	uint32_t data;
+};
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
new file mode 100644
index 00000000000..1276bd77b99
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -0,0 +1,1291 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Enterprise Fibre Channel Host Bus Adapters.                     *
+ * Refer to the README file included with this package for         *
+ * driver version and adapter support.                             *
+ * Copyright (C) 2004 Emulex Corporation.                          *
+ * www.emulex.com                                                  *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of the GNU General Public License     *
+ * as published by the Free Software Foundation; either version 2  *
+ * of the License, or (at your option) any later version.          *
+ *                                                                 *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of  *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
+ * GNU General Public License for more details, a copy of which    *
+ * can be found in the file COPYING included with this package.    *
+ *******************************************************************/
+
+/*
+ * $Id: lpfc_attr.c 1.24 2005/04/13 11:58:55EDT sf_support Exp  $
+ */
+
+#include <linux/ctype.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include "lpfc_hw.h"
+#include "lpfc_sli.h"
+#include "lpfc_disc.h"
+#include "lpfc_scsi.h"
+#include "lpfc.h"
+#include "lpfc_logmsg.h"
+#include "lpfc_version.h"
+#include "lpfc_compat.h"
+#include "lpfc_crtn.h"
+
+
+static void
+lpfc_jedec_to_ascii(int incr, char hdw[])
+{
+	int i, j;
+	for (i = 0; i < 8; i++) {
+		j = (incr & 0xf);
+		if (j <= 9)
+			hdw[7 - i] = 0x30 +  j;
+		 else
+			hdw[7 - i] = 0x61 + j - 10;
+		incr = (incr >> 4);
+	}
+	hdw[8] = 0;
+	return;
+}
+
+static ssize_t
+lpfc_drvr_version_show(struct class_device *cdev, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
+}
+
+static ssize_t
+management_version_show(struct class_device *cdev, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
+}
+
+static ssize_t
+lpfc_info_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
+}
+
+static ssize_t
+lpfc_serialnum_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
+}
+
+static ssize_t
+lpfc_modeldesc_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
+}
+
+static ssize_t
+lpfc_modelname_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
+}
+
+static ssize_t
+lpfc_programtype_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
+}
+
+static ssize_t
+lpfc_portnum_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
+}
+
+static ssize_t
+lpfc_fwrev_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	char fwrev[32];
+	lpfc_decode_firmware_rev(phba, fwrev, 1);
+	return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
+}
+
+static ssize_t
+lpfc_hdw_show(struct class_device *cdev, char *buf)
+{
+	char hdw[9];
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	lpfc_vpd_t *vp = &phba->vpd;
+	lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
+	return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
+}
+static ssize_t
+lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
+}
+static ssize_t
+lpfc_state_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	int len = 0;
+	switch (phba->hba_state) {
+	case LPFC_INIT_START:
+	case LPFC_INIT_MBX_CMDS:
+	case LPFC_LINK_DOWN:
+		len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
+		break;
+	case LPFC_LINK_UP:
+	case LPFC_LOCAL_CFG_LINK:
+		len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
+		break;
+	case LPFC_FLOGI:
+	case LPFC_FABRIC_CFG_LINK:
+	case LPFC_NS_REG:
+	case LPFC_NS_QRY:
+	case LPFC_BUILD_DISC_LIST:
+	case LPFC_DISC_AUTH:
+	case LPFC_CLEAR_LA:
+		len += snprintf(buf + len, PAGE_SIZE-len,
+				"Link Up - Discovery\n");
+		break;
+	case LPFC_HBA_READY:
+		len += snprintf(buf + len, PAGE_SIZE-len,
+				"Link Up - Ready:\n");
+		if (phba->fc_topology == TOPOLOGY_LOOP) {
+			if (phba->fc_flag & FC_PUBLIC_LOOP)
+				len += snprintf(buf + len, PAGE_SIZE-len,
+						"   Public Loop\n");
+			else
+				len += snprintf(buf + len, PAGE_SIZE-len,
+						"   Private Loop\n");
+		} else {
+			if (phba->fc_flag & FC_FABRIC)
+				len += snprintf(buf + len, PAGE_SIZE-len,
+						"   Fabric\n");
+			else
+				len += snprintf(buf + len, PAGE_SIZE-len,
+						"   Point-2-Point\n");
+		}
+	}
+	return len;
+}
+
+static ssize_t
+lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
+							phba->fc_unmap_cnt);
+}
+
+
+static ssize_t
+lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
+	int val = 0;
+	LPFC_MBOXQ_t *pmboxq;
+	int mbxstatus = MBXERR_ERROR;
+
+	if ((sscanf(buf, "%d", &val) != 1) ||
+	    (val != 1))
+		return -EINVAL;
+
+	if ((phba->fc_flag & FC_OFFLINE_MODE) ||
+	    (phba->hba_state != LPFC_HBA_READY))
+		return -EPERM;
+
+	pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
+
+	if (!pmboxq)
+		return -ENOMEM;
+
+	memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+	lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
+	mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+	if (mbxstatus == MBX_TIMEOUT)
+		pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+	else
+		mempool_free( pmboxq, phba->mbox_mem_pool);
+
+	if (mbxstatus == MBXERR_ERROR)
+		return -EIO;
+
+	return strlen(buf);
+}
+
+static ssize_t
+lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
+}
+
+static ssize_t
+lpfc_board_online_show(struct class_device *cdev, char *buf)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+
+	if (!phba) return 0;
+
+	if (phba->fc_flag & FC_OFFLINE_MODE)
+		return snprintf(buf, PAGE_SIZE, "0\n");
+	else
+		return snprintf(buf, PAGE_SIZE, "1\n");
+}
+
+static ssize_t
+lpfc_board_online_store(struct class_device *cdev, const char *buf,
+								size_t count)
+{
+	struct Scsi_Host *host = class_to_shost(cdev);
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+	struct completion online_compl;
+	int val=0, status=0;
+
+	if (sscanf(buf, "%d", &val) != 1)
+		return 0;
+
+	init_completion(&online_compl);
+
+	if (val)
+		lpfc_workq_post_event(phba, &status, &online_compl,
+							LPFC_EVT_ONLINE);
+	else
+		lpfc_workq_post_event(phba, &status, &online_compl,
+							LPFC_EVT_OFFLINE);
+	wait_for_completion(&online_compl);
+	if (!status)
+		return strlen(buf);
+	else
+		return 0;
+}
+
+
+#define lpfc_param_show(attr)	\
+static ssize_t \
+lpfc_##attr##_show(struct class_device *cdev, char *buf) \
+{ \
+	struct Scsi_Host *host = class_to_shost(cdev);\
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
+	int val = 0;\
+	if (phba){\
+		val = phba->cfg_##attr;\
+		return snprintf(buf, PAGE_SIZE, "%d\n",\
+				phba->cfg_##attr);\
+	}\
+	return 0;\
+}
+
+#define lpfc_param_store(attr, minval, maxval)	\
+static ssize_t \
+lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
+{ \
+	struct Scsi_Host *host = class_to_shost(cdev);\
+	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
+	int val = 0;\
+	if (!isdigit(buf[0]))\
+		return -EINVAL;\
+	if (sscanf(buf, "0x%x", &val) != 1)\
+		if (sscanf(buf, "%d", &val) != 1)\
+			return -EINVAL;\
+	if (phba){\
+		if (val >= minval && val <= maxval) {\
+			phba->cfg_##attr = val;\
+			return strlen(buf);\
+		}\
+	}\
+	return 0;\
+}
+
+#define LPFC_ATTR_R_NOINIT(name, desc) \
+extern int lpfc_##name;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_param_show(name)\
+static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
+
+#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_param_show(name)\
+static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
+
+#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_param_show(name)\
+lpfc_param_store(name, minval, maxval)\
+static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
+			 lpfc_##name##_show, lpfc_##name##_store)
+
+static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
+static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
+static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
+static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
+static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
+static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
+static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
+static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
+static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
+static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
+					lpfc_option_rom_version_show, NULL);
+static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
+					lpfc_num_discovered_ports_show, NULL);
+static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
+static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
+			 NULL);
+static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
+			 NULL);
+static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip);
+static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
+			 lpfc_board_online_show, lpfc_board_online_store);
+
+
+/*
+# lpfc_log_verbose: Only turn this flag on if you are willing to risk being
+# deluged with LOTS of information.
+# You can set a bit mask to record specific types of verbose messages:
+#
+# LOG_ELS                       0x1        ELS events
+# LOG_DISCOVERY                 0x2        Link discovery events
+# LOG_MBOX                      0x4        Mailbox events
+# LOG_INIT                      0x8        Initialization events
+# LOG_LINK_EVENT                0x10       Link events
+# LOG_IP                        0x20       IP traffic history
+# LOG_FCP                       0x40       FCP traffic history
+# LOG_NODE                      0x80       Node table events
+# LOG_MISC                      0x400      Miscellaneous events
+# LOG_SLI                       0x800      SLI events
+# LOG_CHK_COND                  0x1000     FCP Check condition flag
+# LOG_LIBDFC                    0x2000     LIBDFC events
+# LOG_ALL_MSG                   0xffff     LOG all messages
+*/
+LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
+
+/*
+# lun_queue_depth:  This parameter is used to limit the number of outstanding
+# commands per FCP LUN. Value range is [1,128]. Default value is 30.
+*/
+LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
+	    "Max number of FCP commands we can queue to a specific LUN");
+
+/*
+# Some disk devices have a "select ID" or "select Target" capability.
+# From a protocol standpoint "select ID" usually means select the
+# Fibre channel "ALPA".  In the FC-AL Profile there is an "informative
+# annex" which contains a table that maps a "select ID" (a number
+# between 0 and 7F) to an ALPA.  By default, for compatibility with
+# older drivers, the lpfc driver scans this table from low ALPA to high
+# ALPA.
+#
+# Turning on the scan-down variable (on  = 1, off = 0) will
+# cause the lpfc driver to use an inverted table, effectively
+# scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
+#
+# (Note: This "select ID" functionality is a LOOP ONLY characteristic
+# and will not work across a fabric. Also this parameter will take
+# effect only in the case when ALPA map is not available.)
+*/
+LPFC_ATTR_R(scan_down, 1, 0, 1,
+	     "Start scanning for devices from highest ALPA to lowest");
+
+/*
+# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
+# until the timer expires. Value range is [0,255]. Default value is 20.
+# NOTE: this MUST be less then the SCSI Layer command timeout - 1.
+*/
+LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
+	     "Seconds driver will hold I/O waiting for a device to come back");
+
+/*
+# lpfc_topology:  link topology for init link
+#            0x0  = attempt loop mode then point-to-point
+#            0x02 = attempt point-to-point mode only
+#            0x04 = attempt loop mode only
+#            0x06 = attempt point-to-point mode then loop
+# Set point-to-point mode if you want to run as an N_Port.
+# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
+# Default value is 0.
+*/
+LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
+