Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (209 commits)
  [SCSI] fix oops during scsi scanning
  [SCSI] libsrp: fix memory leak in srp_ring_free()
  [SCSI] libiscsi, bnx2i: make bound ep check common
  [SCSI] libiscsi: add completion function for drivers that do not need pdu processing
  [SCSI] scsi_dh_rdac: changes for rdac debug logging
  [SCSI] scsi_dh_rdac: changes to collect the rdac debug information during the initialization
  [SCSI] scsi_dh_rdac: move the init code from rdac_activate to rdac_bus_attach
  [SCSI] sg: fix oops in the error path in sg_build_indirect()
  [SCSI] mptsas : Bump version to 3.04.12
  [SCSI] mptsas : FW event thread and scsi mid layer deadlock in SYNCHRONIZE CACHE command
  [SCSI] mptsas : Send DID_NO_CONNECT for pending IOs of removed device
  [SCSI] mptsas : PAE Kernel more than 4 GB kernel panic
  [SCSI] mptsas : NULL pointer on big endian systems causing Expander not to tear off
  [SCSI] mptsas : Sanity check for phyinfo is added
  [SCSI] scsi_dh_rdac: Add support for Sun StorageTek ST2500, ST2510 and ST2530
  [SCSI] pmcraid: PMC-Sierra MaxRAID driver to support 6Gb/s SAS RAID controller
  [SCSI] qla2xxx: Update version number to 8.03.01-k6.
  [SCSI] qla2xxx: Properly delete rports attached to a vport.
  [SCSI] qla2xxx: Correct various NPIV issues.
  [SCSI] qla2xxx: Correct qla2x00_eh_wait_on_command() to wait correctly.
  ...

MAINTAINERS

@@ -4009,6 +4009,14 @@ S:	Maintained
 F:	drivers/block/pktcdvd.c
 F:	include/linux/pktcdvd.h
 
+PMC SIERRA MaxRAID DRIVER
+P:	Anil Ravindranath
+M:	anil_ravindranath@pmc-sierra.com
+L:	linux-scsi@vger.kernel.org
+W:	http://www.pmc-sierra.com/
+S:	Supported
+F:	drivers/scsi/pmcraid.*
+
 POSIX CLOCKS and TIMERS
 M:	Thomas Gleixner <tglx@linutronix.de>
 S:	Supported
@@ -4447,7 +4455,7 @@ F:	drivers/scsi/sg.c
 F:	include/scsi/sg.h
 
 SCSI SUBSYSTEM
-M:	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
+M:	"James E.J. Bottomley" <James.Bottomley@suse.de>
 L:	linux-scsi@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6.git
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6.git

arch/s390/include/asm/timex.h

@@ -88,6 +88,14 @@ int get_sync_clock(unsigned long long *clock);
 void init_cpu_timer(void);
 unsigned long long monotonic_clock(void);
 
+void tod_to_timeval(__u64, struct timespec *);
+
+static inline
+void stck_to_timespec(unsigned long long stck, struct timespec *ts)
+{
+	tod_to_timeval(stck - TOD_UNIX_EPOCH, ts);
+}
+
 extern u64 sched_clock_base_cc;
 
 /**

arch/s390/kernel/debug.c

@@ -63,8 +63,6 @@ typedef struct
 } debug_sprintf_entry_t;
 
 
-extern void tod_to_timeval(uint64_t todval, struct timespec *xtime);
-
 /* internal function prototyes */
 
 static int debug_init(void);
@@ -1450,17 +1448,13 @@ debug_dflt_header_fn(debug_info_t * id, struct debug_view *view,
 			 int area, debug_entry_t * entry, char *out_buf)
 {
 	struct timespec time_spec;
-	unsigned long long time;
 	char *except_str;
 	unsigned long caller;
 	int rc = 0;
 	unsigned int level;
 
 	level = entry->id.fields.level;
-	time = entry->id.stck;
-	/* adjust todclock to 1970 */
-	time -= 0x8126d60e46000000LL - (0x3c26700LL * 1000000 * 4096);
-	tod_to_timeval(time, &time_spec);
+	stck_to_timespec(entry->id.stck, &time_spec);
 
 	if (entry->id.fields.exception)
 		except_str = "*";

arch/s390/kernel/time.c

@@ -91,6 +91,7 @@ void tod_to_timeval(__u64 todval, struct timespec *xtime)
 	todval -= (sec * 1000000) << 12;
 	xtime->tv_nsec = ((todval * 1000) >> 12);
 }
+EXPORT_SYMBOL(tod_to_timeval);
 
 void clock_comparator_work(void)
 {

drivers/md/dm-mpath.c

@@ -64,6 +64,7 @@ struct multipath {
 	spinlock_t lock;
 
 	const char *hw_handler_name;
+	char *hw_handler_params;
 	unsigned nr_priority_groups;
 	struct list_head priority_groups;
 	unsigned pg_init_required;	/* pg_init needs calling? */
@@ -219,6 +220,7 @@ static void free_multipath(struct multipath *m)
 	}
 
 	kfree(m->hw_handler_name);
+	kfree(m->hw_handler_params);
 	mempool_destroy(m->mpio_pool);
 	kfree(m);
 }
@@ -615,6 +617,17 @@ static struct pgpath *parse_path(struct arg_set *as, struct path_selector *ps,
 			dm_put_device(ti, p->path.dev);
 			goto bad;
 		}
+
+		if (m->hw_handler_params) {
+			r = scsi_dh_set_params(q, m->hw_handler_params);
+			if (r < 0) {
+				ti->error = "unable to set hardware "
+							"handler parameters";
+				scsi_dh_detach(q);
+				dm_put_device(ti, p->path.dev);
+				goto bad;
+			}
+		}
 	}
 
 	r = ps->type->add_path(ps, &p->path, as->argc, as->argv, &ti->error);
@@ -705,6 +718,7 @@ static struct priority_group *parse_priority_group(struct arg_set *as,
 static int parse_hw_handler(struct arg_set *as, struct multipath *m)
 {
 	unsigned hw_argc;
+	int ret;
 	struct dm_target *ti = m->ti;
 
 	static struct param _params[] = {
@@ -726,17 +740,33 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m)
 	request_module("scsi_dh_%s", m->hw_handler_name);
 	if (scsi_dh_handler_exist(m->hw_handler_name) == 0) {
 		ti->error = "unknown hardware handler type";
-		kfree(m->hw_handler_name);
-		m->hw_handler_name = NULL;
-		return -EINVAL;
+		ret = -EINVAL;
+		goto fail;
 	}
 
-	if (hw_argc > 1)
-		DMWARN("Ignoring user-specified arguments for "
-		       "hardware handler \"%s\"", m->hw_handler_name);
+	if (hw_argc > 1) {
+		char *p;
+		int i, j, len = 4;
+
+		for (i = 0; i <= hw_argc - 2; i++)
+			len += strlen(as->argv[i]) + 1;
+		p = m->hw_handler_params = kzalloc(len, GFP_KERNEL);
+		if (!p) {
+			ti->error = "memory allocation failed";
+			ret = -ENOMEM;
+			goto fail;
+		}
+		j = sprintf(p, "%d", hw_argc - 1);
+		for (i = 0, p+=j+1; i <= hw_argc - 2; i++, p+=j+1)
+			j = sprintf(p, "%s", as->argv[i]);
+	}
 	consume(as, hw_argc - 1);
 
 	return 0;
+fail:
+	kfree(m->hw_handler_name);
+	m->hw_handler_name = NULL;
+	return ret;
 }
 
 static int parse_features(struct arg_set *as, struct multipath *m)

drivers/message/fusion/mptbase.c

@@ -1015,9 +1015,9 @@ mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
 {
 	SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
 	pSge->Address.Low = cpu_to_le32
-			(lower_32_bits((unsigned long)(dma_addr)));
+			(lower_32_bits(dma_addr));
 	pSge->Address.High = cpu_to_le32
-			(upper_32_bits((unsigned long)dma_addr));
+			(upper_32_bits(dma_addr));
 	pSge->FlagsLength = cpu_to_le32
 			((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
 }
@@ -1038,8 +1038,8 @@ mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
 	u32 tmp;
 
 	pSge->Address.Low = cpu_to_le32
-			(lower_32_bits((unsigned long)(dma_addr)));
-	tmp = (u32)(upper_32_bits((unsigned long)dma_addr));
+			(lower_32_bits(dma_addr));
+	tmp = (u32)(upper_32_bits(dma_addr));
 
 	/*
 	 * 1078 errata workaround for the 36GB limitation
@@ -1101,7 +1101,7 @@ mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
 		pChain->NextChainOffset = next;
 
 		pChain->Address.Low = cpu_to_le32(tmp);
-		tmp = (u32)(upper_32_bits((unsigned long)dma_addr));
+		tmp = (u32)(upper_32_bits(dma_addr));
 		pChain->Address.High = cpu_to_le32(tmp);
 }
 
@@ -1297,12 +1297,8 @@ mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
 	psge = (char *)&ioc_init->HostPageBufferSGE;
 	flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
 	    MPI_SGE_FLAGS_SYSTEM_ADDRESS |
-	    MPI_SGE_FLAGS_32_BIT_ADDRESSING |
 	    MPI_SGE_FLAGS_HOST_TO_IOC |
 	    MPI_SGE_FLAGS_END_OF_BUFFER;
-	if (sizeof(dma_addr_t) == sizeof(u64)) {
-	    flags_length |= MPI_SGE_FLAGS_64_BIT_ADDRESSING;
-	}
 	flags_length = flags_length << MPI_SGE_FLAGS_SHIFT;
 	flags_length |= ioc->HostPageBuffer_sz;
 	ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
@@ -2224,8 +2220,6 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 	int	 hard;
 	int	 rc=0;
 	int	 ii;
-	u8	 cb_idx;
-	int	 handlers;
 	int	 ret = 0;
 	int	 reset_alt_ioc_active = 0;
 	int	 irq_allocated = 0;
@@ -2548,34 +2542,6 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 		mpt_get_manufacturing_pg_0(ioc);
 	}
 
-	/*
-	 * Call each currently registered protocol IOC reset handler
-	 * with post-reset indication.
-	 * NOTE: If we're doing _IOC_BRINGUP, there can be no
-	 * MptResetHandlers[] registered yet.
-	 */
-	if (hard_reset_done) {
-		rc = handlers = 0;
-		for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
-			if ((ret == 0) && MptResetHandlers[cb_idx]) {
-				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-				    "Calling IOC post_reset handler #%d\n",
-				    ioc->name, cb_idx));
-				rc += mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
-				handlers++;
-			}
-
-			if (alt_ioc_ready && MptResetHandlers[cb_idx]) {
-				drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-				    "Calling IOC post_reset handler #%d\n",
-				    ioc->alt_ioc->name, cb_idx));
-				rc += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_POST_RESET);
-				handlers++;
-			}
-		}
-		/* FIXME?  Examine results here? */
-	}
-
  out:
 	if ((ret != 0) && irq_allocated) {
 		free_irq(ioc->pci_irq, ioc);
@@ -3938,6 +3904,7 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 	int count = 0;
 	u32 diag1val = 0;
 	MpiFwHeader_t *cached_fw;	/* Pointer to FW */
+	u8	 cb_idx;
 
 	/* Clear any existing interrupts */
 	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
@@ -3956,6 +3923,18 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 		else
 			mdelay(1);
 
+		/*
+		 * Call each currently registered protocol IOC reset handler
+		 * with pre-reset indication.
+		 * NOTE: If we're doing _IOC_BRINGUP, there can be no
+		 * MptResetHandlers[] registered yet.
+		 */
+		for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+			if (MptResetHandlers[cb_idx])
+				(*(MptResetHandlers[cb_idx]))(ioc,
+						MPT_IOC_PRE_RESET);
+		}
+
 		for (count = 0; count < 60; count ++) {
 			doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
 			doorbell &= MPI_IOC_STATE_MASK;
@@ -4052,25 +4031,15 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 		 * NOTE: If we're doing _IOC_BRINGUP, there can be no
 		 * MptResetHandlers[] registered yet.
 		 */
-		{
-			u8	 cb_idx;
-			int	 r = 0;
-
-			for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
-				if (MptResetHandlers[cb_idx]) {
-					dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-						"Calling IOC pre_reset handler #%d\n",
-						ioc->name, cb_idx));
-					r += mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
-					if (ioc->alt_ioc) {
-						dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-							"Calling alt-%s pre_reset handler #%d\n",
-							ioc->name, ioc->alt_ioc->name, cb_idx));
-						r += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_PRE_RESET);
-					}
+		for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+			if (MptResetHandlers[cb_idx]) {
+				mpt_signal_reset(cb_idx,
+					ioc, MPT_IOC_PRE_RESET);
+				if (ioc->alt_ioc) {
+					mpt_signal_reset(cb_idx,
+					ioc->alt_ioc, MPT_IOC_PRE_RESET);
 				}
 			}
-			/* FIXME?  Examine results here? */
 		}
 
 		if (ioc->cached_fw)
@@ -6956,7 +6925,7 @@ EXPORT_SYMBOL(mpt_halt_firmware);
 int
 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
 {
-	int		 rc;
+	int	 rc;
 	u8	 cb_idx;
 	unsigned long	 flags;
 	unsigned long	 time_count;
@@ -6982,8 +6951,6 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
 		ioc->alt_ioc->ioc_reset_in_progress = 1;
 	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
 
-	/* FIXME: If do_ioc_recovery fails, repeat....
-	 */
 
 	/* The SCSI driver needs to adjust timeouts on all current
 	 * commands prior to the diagnostic reset being issued.
@@ -7020,6 +6987,15 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
 	}
 	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
 
+	for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+		if (MptResetHandlers[cb_idx]) {
+			mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
+			if (ioc->alt_ioc)
+				mpt_signal_reset(cb_idx,
+					ioc->alt_ioc, MPT_IOC_POST_RESET);
+		}
+	}
+
 	dtmprintk(ioc,
 	    printk(MYIOC_s_DEBUG_FMT
 		"HardResetHandler: completed (%d seconds): %s\n", ioc->name,

drivers/message/fusion/mptbase.h

@@ -76,8 +76,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2008 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.04.10"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.09"
+#define MPT_LINUX_VERSION_COMMON	"3.04.12"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.12"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \
@@ -157,8 +157,9 @@
 /*
  *	Try to keep these at 2^N-1
  */
-#define MPT_FC_CAN_QUEUE	127
+#define MPT_FC_CAN_QUEUE	1024
 #define MPT_SCSI_CAN_QUEUE	127
+#define MPT_SAS_CAN_QUEUE	127
 
 /*
  * Set the MAX_SGE value based on user input.
@@ -879,23 +880,9 @@ typedef enum {
 
 typedef struct _MPT_SCSI_HOST {
 	MPT_ADAPTER		 *ioc;
-	int			  port;
-	u32			  pad0;
-	MPT_LOCAL_REPLY		 *pLocal;		/* used for internal commands */
-	struct timer_list	  timer;
-		/* Pool of memory for holding SCpnts before doing
-		 * OS callbacks. freeQ is the free pool.
-		 */
-	u8			  negoNvram;		/* DV disabled, nego NVRAM */
-	u8			  pad1;
-	u8			  rsvd[2];
-	MPT_FRAME_HDR		 *cmdPtr;		/* Ptr to nonOS request */
-	struct scsi_cmnd	 *abortSCpnt;
-	MPT_LOCAL_REPLY		  localReply;		/* internal cmd reply struct */
 	ushort			  sel_timeout[MPT_MAX_FC_DEVICES];
 	char 			  *info_kbuf;
 	long			  last_queue_full;
-	u16			  tm_iocstatus;
 	u16			  spi_pending;
 	struct list_head	  target_reset_list;
 } MPT_SCSI_HOST;

drivers/message/fusion/mptfc.c

@@ -1288,25 +1288,6 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
 		 ioc->name, ioc->ScsiLookup));
 
-	/* Clear the TM flags
-	 */
-	hd->abortSCpnt = NULL;
-
-	/* Clear the pointer used to store
-	 * single-threaded commands, i.e., those
-	 * issued during a bus scan, dv and
-	 * configuration pages.
-	 */
-	hd->cmdPtr = NULL;
-
-	/* Initialize this SCSI Hosts' timers
-	 * To use, set the timer expires field
-	 * and add_timer
-	 */
-	init_timer(&hd->timer);
-	hd->timer.data = (unsigned long) hd;
-	hd->timer.function = mptscsih_timer_expired;
-
 	hd->last_queue_full = 0;
 
 	sh->transportt = mptfc_transport_template;

drivers/message/fusion/mptsas.c

@@ -72,6 +72,7 @@
  */
 #define MPTSAS_RAID_CHANNEL	1
 
+#define SAS_CONFIG_PAGE_TIMEOUT		30
 MODULE_AUTHOR(MODULEAUTHOR);
 MODULE_DESCRIPTION(my_NAME);
 MODULE_LICENSE("GPL");
@@ -324,7 +325,6 @@ mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
 {
 	struct fw_event_work *fw_event, *next;
 	struct mptsas_target_reset_event *target_reset_list, *n;
-	u8	flush_q;
 	MPT_SCSI_HOST	*hd = shost_priv(ioc->sh);
 
 	/* flush the target_reset_list */
@@ -344,15 +344,10 @@ mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
 	     !ioc->fw_event_q || in_interrupt())
 		return;
 
-	flush_q = 0;
 	list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
 		if (cancel_delayed_work(&fw_event->work))
 			mptsas_free_fw_event(ioc, fw_event);
-		else
-			flush_q = 1;
 	}
-	if (flush_q)
-		flush_workqueue(ioc->fw_event_q);
 }
 
 
@@ -661,7 +656,7 @@ mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc,
 	cfg.pageAddr = starget->id;
 	cfg.cfghdr.hdr = &hdr;
 	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
-	cfg.timeout = 10;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 
 	if (mpt_config(ioc, &cfg) != 0)
 		goto out;
@@ -851,7 +846,13 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 		port_details->num_phys--;
 		port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
 		memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
-		sas_port_delete_phy(port_details->port, phy_info->phy);
+		if (phy_info->phy) {
+			devtprintk(ioc, dev_printk(KERN_DEBUG,
+				&phy_info->phy->dev, MYIOC_s_FMT
+				"delete phy %d, phy-obj (0x%p)\n", ioc->name,
+				phy_info->phy_id, phy_info->phy));
+			sas_port_delete_phy(port_details->port, phy_info->phy);
+		}
 		phy_info->port_details = NULL;
 	}
 
@@ -1272,7 +1273,6 @@ mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 		}
 		mptsas_cleanup_fw_event_q(ioc);
 		mptsas_queue_rescan(ioc);
-		mptsas_fw_event_on(ioc);
 		break;
 	default:
 		break;
@@ -1318,7 +1318,7 @@ mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
 	cfg.pageAddr = form + form_specific;
 	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 	cfg.dir = 0;	/* read */
-	cfg.timeout = 10;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 
 	error = mpt_config(ioc, &cfg);
 	if (error)
@@ -1592,6 +1592,7 @@ mptsas_firmware_event_work(struct work_struct *work)
 		mptsas_scan_sas_topology(ioc);
 		ioc->in_rescan = 0;
 		mptsas_free_fw_event(ioc, fw_event);
+		mptsas_fw_event_on(ioc);
 		return;
 	}
 
@@ -1891,7 +1892,7 @@ static struct scsi_host_template mptsas_driver_template = {
 	.eh_bus_reset_handler		= mptscsih_bus_reset,
 	.eh_host_reset_handler		= mptscsih_host_reset,
 	.bios_param			= mptscsih_bios_param,
-	.can_queue			= MPT_FC_CAN_QUEUE,
+	.can_queue			= MPT_SAS_CAN_QUEUE,
 	.this_id			= -1,
 	.sg_tablesize			= MPT_SCSI_SG_DEPTH,
 	.max_sectors			= 8192,
@@ -1926,7 +1927,7 @@ static int mptsas_get_linkerrors(struct sas_phy *phy)
 	cfg.pageAddr = phy->identify.phy_identifier;
 	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 	cfg.dir = 0;    /* read */
-	cfg.timeout = 10;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 
 	error = mpt_config(ioc, &cfg);
 	if (error)
@@ -2278,7 +2279,7 @@ mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 	cfg.pageAddr = 0;
 	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 	cfg.dir = 0;	/* read */
-	cfg.timeout = 10;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 
 	error = mpt_config(ioc, &cfg);
 	if (error)
@@ -2349,7 +2350,7 @@ mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
 
 	cfg.cfghdr.ehdr = &hdr;
 	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
-	cfg.timeout = 10;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 	cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
 	cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
 	cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
@@ -2411,7 +2412,7 @@ mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
 
 	cfg.cfghdr.ehdr = &hdr;
 	cfg.dir = 0;	/* read */
-	cfg.timeout = 10;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 
 	/* Get Phy Pg 0 for each Phy. */
 	cfg.physAddr = -1;
@@ -2479,7 +2480,7 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
 	cfg.physAddr = -1;
 	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 	cfg.dir = 0;	/* read */
-	cfg.timeout = 10;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 
 	memset(device_info, 0, sizeof(struct mptsas_devinfo));
 	error = mpt_config(ioc, &cfg);
@@ -2554,7 +2555,7 @@ mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
 	cfg.pageAddr = form + form_specific;
 	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 	cfg.dir = 0;	/* read */
-	cfg.timeout = 10;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 
 	memset(port_info, 0, sizeof(struct mptsas_portinfo));
 	error = mpt_config(ioc, &cfg);
@@ -2635,7 +2636,7 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
 	cfg.pageAddr = form + form_specific;
 	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 	cfg.dir = 0;	/* read */
-	cfg.timeout = 10;
+	cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
 
 	error = mpt_config(ioc, &cfg);
 	if (error)
@@ -3307,6 +3308,7 @@ mptsas_send_expander_event(struct fw_event_work *fw_event)
 	expander_data = (MpiEventDataSasExpanderStatusChange_t *)
 	    fw_event->event_data;
 	memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
+	sas_address = le64_to_cpu(sas_address);
 	port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
 
 	if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
@@ -4760,10 +4762,9 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	/* set 16 byte cdb's */
 	sh->max_cmd_len = 16;
-
-	sh->max_id = ioc->pfacts[0].PortSCSIID;
+	sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
+	sh->max_id = -1;
 	sh->max_lun = max_lun;
-
 	sh->transportt = mptsas_transport_template;
 
 	/* Required entry.
@@ -4821,25 +4822,6 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
 		 ioc->name, ioc->ScsiLookup));
 
-	/* Clear the TM flags
-	 */
-	hd->abortSCpnt = NULL;
-
-	/* Clear the pointer used to store
-	 * single-threaded commands, i.e., those
-	 * issued during a bus scan, dv and
-	 * configuration pages.
-	 */
-	hd->cmdPtr = NULL;
-
-	/* Initialize this SCSI Hosts' timers
-	 * To use, set the timer expires field
-	 * and add_timer
-	 */
-	init_timer(&hd->timer);
-	hd->timer.data = (unsigned long) hd;
-	hd->timer.function = mptscsih_timer_expired;
-
 	ioc->sas_data.ptClear = mpt_pt_clear;
 
 	hd->last_queue_full = 0;

drivers/message/fusion/mptscsih.c

@@ -628,6 +628,16 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 		return 1;
 	}
 
+	if (ioc->bus_type == SAS) {
+		VirtDevice *vdevice = sc->device->hostdata;
+
+		if (!vdevice || !vdevice->vtarget ||
+		    vdevice->vtarget->deleted) {
+			sc->result = DID_NO_CONNECT << 16;
+			goto out;
+		}
+	}
+
 	sc->host_scribble = NULL;
 	sc->result = DID_OK << 16;		/* Set default reply as OK */
 	pScsiReq = (SCSIIORequest_t *) mf;
@@ -689,6 +699,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 
 		switch(status) {
 		case MPI_IOCSTATUS_BUSY:			/* 0x0002 */
+		case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:	/* 0x0006 */
 			/* CHECKME!
 			 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
 			 * But not: DID_BUS_BUSY lest one risk
@@ -872,7 +883,6 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 		case MPI_IOCSTATUS_INVALID_SGL:			/* 0x0003 */
 		case MPI_IOCSTATUS_INTERNAL_ERROR:		/* 0x0004 */
 		case MPI_IOCSTATUS_RESERVED:			/* 0x0005 */
-		case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:	/* 0x0006 */
 		case MPI_IOCSTATUS_INVALID_FIELD:		/* 0x0007 */
 		case MPI_IOCSTATUS_INVALID_STATE:		/* 0x0008 */
 		case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:		/* 0x0046 */
@@ -892,7 +902,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 #endif
 
 	} /* end of address reply case */
-
+out:
 	/* Unmap the DMA buffers, if any. */
 	scsi_dma_unmap(sc);
 
@@ -1729,9 +1739,6 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 	 */
 	mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
 	ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
-
-	hd->abortSCpnt = SCpnt;
-
 	retval = mptscsih_IssueTaskMgmt(hd,
 			 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
 			 vdevice->vtarget->channel,
@@ -2293,7 +2300,10 @@ mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
 		else
 			max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
 	} else
-		max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
+		 max_depth = ioc->sh->can_queue;
+
+	if (!sdev->tagged_supported)
+		max_depth = 1;
 
 	if (qdepth > max_depth)
 		qdepth = max_depth;
@@ -2627,50 +2637,6 @@ mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
 	return 1;
 }
 
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/*	mptscsih_timer_expired - Call back for timer process.
- *	Used only for dv functionality.
- *	@data: Pointer to MPT_SCSI_HOST recast as an unsigned long
- *
- */
-void
-mptscsih_timer_expired(unsigned long data)
-{
-	MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) data;
-	MPT_ADAPTER 	*ioc = hd->ioc;
-
-	ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired! Cmd %p\n", ioc->name, hd->cmdPtr));
-
-	if (hd->cmdPtr) {
-		MPIHeader_t *cmd = (MPIHeader_t *)hd->cmdPtr;
-
-		if (cmd->Function == MPI_FUNCTION_SCSI_IO_REQUEST) {
-			/* Desire to issue a task management request here.
-			 * TM requests MUST be single threaded.
-			 * If old eh code and no TM current, issue request.
-			 * If new eh code, do nothing. Wait for OS cmd timeout
-			 *	for bus reset.
-			 */
-		} else {
-			/* Perform a FW reload */
-			if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) {
-				printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name);
-			}
-		}
-	} else {
-		/* This should NEVER happen */
-		printk(MYIOC_s_WARN_FMT "Null cmdPtr!!!!\n", ioc->name);
-	}
-
-	/* No more processing.
-	 * TM call will generate an interrupt for SCSI TM Management.
-	 * The FW will reply to all outstanding commands, callback will finish cleanup.
-	 * Hard reset clean-up will free all resources.
-	 */
-	ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired Complete!\n", ioc->name));
-
-	return;
-}
 
 /**
  *	mptscsih_get_completion_code -
@@ -3265,6 +3231,5 @@ EXPORT_SYMBOL(mptscsih_scandv_complete);
 EXPORT_SYMBOL(mptscsih_event_process);
 EXPORT_SYMBOL(mptscsih_ioc_reset);
 EXPORT_SYMBOL(mptscsih_change_queue_depth);
-EXPORT_SYMBOL(mptscsih_timer_expired);
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

drivers/message/fusion/mptscsih.h

@@ -129,7 +129,6 @@ extern int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRA
 extern int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
 extern int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
 extern int mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
-extern void mptscsih_timer_expired(unsigned long data);
 extern u8 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id);
 extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id);
 extern struct device_attribute *mptscsih_host_attrs[];

drivers/message/fusion/mptspi.c

@@ -1472,28 +1472,7 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
 		 ioc->name, ioc->ScsiLookup));
 
-	/* Clear the TM flags
-	 */
-	hd->abortSCpnt = NULL;
-
-	/* Clear the pointer used to store
-	 * single-threaded commands, i.e., those
-	 * issued during a bus scan, dv and
-	 * configuration pages.
-	 */
-	hd->cmdPtr = NULL;
-
-	/* Initialize this SCSI Hosts' timers
-	 * To use, set the timer expires field
-	 * and add_timer
-	 */
-	init_timer(&hd->timer);
-	hd->timer.data = (unsigned long) hd;
-	hd->timer.function = mptscsih_timer_expired;
-
 	ioc->spi_data.Saf_Te = mpt_saf_te;
-
-	hd->negoNvram = MPT_SCSICFG_USE_NVRAM;
 	ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
 		"saf_te %x\n",
 		ioc->name,

drivers/misc/enclosure.c

@@ -33,24 +33,44 @@ static DEFINE_MUTEX(container_list_lock);
 static struct class enclosure_class;
 
 /**
- * enclosure_find - find an enclosure given a device
- * @dev:	the device to find for
+ * enclosure_find - find an enclosure given a parent device
+ * @dev:	the parent to match against
+ * @start:	Optional enclosure device to start from (NULL if none)
  *
- * Looks through the list of registered enclosures to see
- * if it can find a match for a device.  Returns NULL if no
- * enclosure is found. Obtains a reference to the enclosure class
- * device which must be released with device_put().
+ * Looks through the list of registered enclosures to find all those
+ * with @dev as a parent.  Returns NULL if no enclosure is
+ * found. @start can be used as a starting point to obtain multiple
+ * enclosures per parent (should begin with NULL and then be set to
+ * each returned enclosure device). Obtains a reference to the
+ * enclosure class device which must be released with device_put().
+ * If @start is not NULL, a reference must be taken on it which is
+ * released before returning (this allows a loop through all
+ * enclosures to exit with only the reference on the enclosure of
+ * interest held).  Note that the @dev may correspond to the actual
+ * device housing the enclosure, in which case no iteration via @start
+ * is required.
  */
-struct enclosure_device *enclosure_find(struct device *dev)
+struct enclosure_device *enclosure_find(struct device *dev,
+					struct enclosure_device *start)
 {
 	struct enclosure_device *edev;
 
 	mutex_lock(&container_list_lock);
-	list_for_each_entry(edev, &container_list, node) {
-		if (edev->edev.parent == dev) {
-			get_device(&edev->edev);
-			mutex_unlock(&container_list_lock);
-			return edev;
+	edev = list_prepare_entry(start, &container_list, node);
+	if (start)
+		put_device(&start->edev);
+
+	list_for_each_entry_continue(edev, &container_list, node) {
+		struct device *parent = edev->edev.parent;
+		/* parent might not be immediate, so iterate up to
+		 * the root of the tree if necessary */
+		while (parent) {
+			if (parent == dev) {
+				get_device(&edev->edev);
+				mutex_unlock(&container_list_lock);
+				return edev;
+			}
+			parent = parent->parent;
 		}
 	}
 	mutex_unlock(&container_list_lock);
@@ -295,6 +315,9 @@ int enclosure_add_device(struct enclosure_device *edev, int component,
 
 	cdev = &edev->component[component];
 
+	if (cdev->dev == dev)
+		return -EEXIST;
+
 	if (cdev->dev)
 		enclosure_remove_links(cdev);
 
@@ -312,19 +335,25 @@ EXPORT_SYMBOL_GPL(enclosure_add_device);
  * Returns zero on success or an error.
  *
  */
-int enclosure_remove_device(struct enclosure_device *edev, int component)
+int enclosure_remove_device(struct enclosure_device *edev, struct device *dev)
 {
 	struct enclosure_component *cdev;
+	int i;
 
-	if (!edev || component >= edev->components)
+	if (!edev || !dev)
 		return -EINVAL;
 
-	cdev = &edev->component[component];
-
-	device_del(&cdev->cdev);
-	put_device(cdev->dev);
-	cdev->dev = NULL;
-	return device_add(&cdev->cdev);
+	for (i = 0; i < edev->components; i++) {
+		cdev = &edev->component[i];
+		if (cdev->dev == dev) {
+			enclosure_remove_links(cdev);
+			device_del(&cdev->cdev);
+			put_device(dev);
+			cdev->dev = NULL;
+			return device_add(&cdev->cdev);
+		}
+	}
+	return -ENODEV;
 }
 EXPORT_SYMBOL_GPL(enclosure_remove_device);
 

drivers/s390/scsi/zfcp_ccw.c

@@ -18,12 +18,15 @@ static int zfcp_ccw_suspend(struct ccw_device *cdev)
 {
 	struct zfcp_adapter *adapter = dev_get_drvdata(&cdev->dev);
 
-	down(&zfcp_data.config_sema);
+	if (!adapter)
+		return 0;
+
+	mutex_lock(&zfcp_data.config_mutex);
 
 	zfcp_erp_adapter_shutdown(adapter, 0, "ccsusp1", NULL);
 	zfcp_erp_wait(adapter);
 
-	up(&zfcp_data.config_sema);
+	mutex_unlock(&zfcp_data.config_mutex);
 
 	return 0;
 }
@@ -33,6 +36,9 @@ static int zfcp_ccw_activate(struct ccw_device *cdev)
 {
 	struct zfcp_adapter *adapter = dev_get_drvdata(&cdev->dev);
 
+	if (!adapter)
+		return 0;
+
 	zfcp_erp_modify_adapter_status(adapter, "ccresu1", NULL,
 				       ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
@@ -63,25 +69,14 @@ int zfcp_ccw_priv_sch(struct zfcp_adapter *adapter)
  * zfcp_ccw_probe - probe function of zfcp driver
  * @ccw_device: pointer to belonging ccw device
  *
- * This function gets called by the common i/o layer and sets up the initial
- * data structures for each fcp adapter, which was detected by the system.
- * Also the sysfs files for this adapter will be created by this function.
- * In addition the nameserver port will be added to the ports of the adapter
- * and its sysfs representation will be created too.
+ * This function gets called by the common i/o layer for each FCP
+ * device found on the current system. This is only a stub to make cio
+ * work: To only allocate adapter resources for devices actually used,
+ * the allocation is deferred to the first call to ccw_set_online.
  */
 static int zfcp_ccw_probe(struct ccw_device *ccw_device)
 {
-	int retval = 0;
-
-	down(&zfcp_data.config_sema);
-	if (zfcp_adapter_enqueue(ccw_device)) {
-		dev_err(&ccw_device->dev,
-			"Setting up data structures for the "
-			"FCP adapter failed\n");
-		retval = -EINVAL;
-	}
-	up(&zfcp_data.config_sema);
-	return retval;
+	return 0;
 }
 
 /**
@@ -102,8 +97,11 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device)
 	LIST_HEAD(port_remove_lh);
 
 	ccw_device_set_offline(ccw_device);
-	down(&zfcp_data.config_sema);
+
+	mutex_lock(&zfcp_data.config_mutex);
 	adapter = dev_get_drvdata(&ccw_device->dev);
+	if (!adapter)
+		goto out;
 
 	write_lock_irq(&zfcp_data.config_lock);
 	list_for_each_entry_safe(port, p, &adapter->port_list_head, list) {
@@ -129,29 +127,41 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device)
 	wait_event(adapter->remove_wq, atomic_read(&adapter->refcount) == 0);
 	zfcp_adapter_dequeue(adapter);
 
-	up(&zfcp_data.config_sema);
+out:
+	mutex_unlock(&zfcp_data.config_mutex);
 }
 
 /**
  * zfcp_ccw_set_online - set_online function of zfcp driver
  * @ccw_device: pointer to belonging ccw device
  *
- * This function gets called by the common i/o layer and sets an adapter
- * into state online. Setting an fcp device online means that it will be
- * registered with the SCSI stack, that the QDIO queues will be set up
- * and that the adapter will be opened (asynchronously).
+ * This function gets called by the common i/o layer and sets an
+ * adapter into state online.  The first call will allocate all
+ * adapter resources that will be retained until the device is removed
+ * via zfcp_ccw_remove.
+ *
+ * Setting an fcp device online means that it will be registered with
+ * the SCSI stack, that the QDIO queues will be set up and that the
+ * adapter will be opened.
  */
 static int zfcp_ccw_set_online(struct ccw_device *ccw_device)
 {
 	struct zfcp_adapter *adapter;
-	int retval;
+	int ret = 0;
 
-	down(&zfcp_data.config_sema);
+	mutex_lock(&zfcp_data.config_mutex);
 	adapter = dev_get_drvdata(&ccw_device->dev);
 
-	retval = zfcp_erp_thread_setup(adapter);
-	if (retval)
-		goto out;
+	if (!adapter) {
+		ret = zfcp_adapter_enqueue(ccw_device);
+		if (ret) {
+			dev_err(&ccw_device->dev,
+				"Setting up data structures for the "
+				"FCP adapter failed\n");
+			goto out;
+		}
+		adapter = dev_get_drvdata(&ccw_device->dev);
+	}
 
 	/* initialize request counter */
 	BUG_ON(!zfcp_reqlist_isempty(adapter));
@@ -162,13 +172,11 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device)
 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
 				"ccsonl2", NULL);
 	zfcp_erp_wait(adapter);
-	up(&zfcp_data.config_sema);
-	flush_work(&adapter->scan_work);
-	return 0;
-
- out:
-	up(&zfcp_data.config_sema);
-	return retval;
+out:
+	mutex_unlock(&zfcp_data.config_mutex);
+	if (!ret)
+		flush_work(&adapter->scan_work);
+	return ret;
 }
 
 /**
@@ -182,12 +190,15 @@ static int zfcp_ccw_set_offline(struct ccw_device *ccw_device)
 {
 	struct zfcp_adapter *adapter;
 
-	down(&zfcp_data.config_sema);
+	mutex_lock(&zfcp_data.config_mutex);
 	adapter = dev_get_drvdata(&ccw_device->dev);
+	if (!adapter)
+		goto out;
+
 	zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1", NULL);
 	zfcp_erp_wait(adapter);
-	zfcp_erp_thread_kill(adapter);
-	up(&zfcp_data.config_sema);
+	mutex_unlock(&zfcp_data.config_mutex);
+out:
 	return 0;
 }
 
@@ -240,11 +251,12 @@ static void zfcp_ccw_shutdown(struct ccw_device *cdev)
 {
 	struct zfcp_adapter *adapter;
 
-	down(&zfcp_data.config_sema);
+	mutex_lock(&zfcp_data.config_mutex);
 	adapter = dev_get_drvdata(&cdev->dev);
 	zfcp_erp_adapter_shutdown(adapter, 0, "ccshut1", NULL);
 	zfcp_erp_wait(adapter);
-	up(&zfcp_data.config_sema);
+	zfcp_erp_thread_kill(adapter);
+	mutex_unlock(&zfcp_data.config_mutex);
 }
 
 static struct ccw_driver zfcp_ccw_driver = {

drivers/s390/scsi/zfcp_dbf.h

@@ -2,7 +2,7 @@
  * This file is part of the zfcp device driver for
  * FCP adapters for IBM System z9 and zSeries.
  *
- * Copyright IBM Corp. 2008, 2008
+ * Copyright IBM Corp. 2008, 2009
  *
  * 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
@@ -22,7 +22,9 @@
 #ifndef ZFCP_DBF_H
 #define ZFCP_DBF_H
 
+#include "zfcp_ext.h"
 #include "zfcp_fsf.h"
+#include "zfcp_def.h"
 
 #define ZFCP_DBF_TAG_SIZE      4
 #define ZFCP_DBF_ID_SIZE       7
@@ -35,13 +37,13 @@ struct zfcp_dbf_dump {
 	u8 data[];		/* dump data */
 } __attribute__ ((packed));
 
-struct zfcp_rec_dbf_record_thread {
+struct zfcp_dbf_rec_record_thread {
 	u32 total;
 	u32 ready;
 	u32 running;
 };
 
-struct zfcp_rec_dbf_record_target {
+struct zfcp_dbf_rec_record_target {
 	u64 ref;
 	u32 status;
 	u32 d_id;
@@ -50,7 +52,7 @@ struct zfcp_rec_dbf_record_target {
 	u32 erp_count;
 };
 
-struct zfcp_rec_dbf_record_trigger {
+struct zfcp_dbf_rec_record_trigger {
 	u8 want;
 	u8 need;
 	u32 as;
@@ -62,21 +64,21 @@ struct zfcp_rec_dbf_record_trigger {
 	u64 fcp_lun;
 };
 
-struct zfcp_rec_dbf_record_action {
+struct zfcp_dbf_rec_record_action {
 	u32 status;
 	u32 step;
 	u64 action;
 	u64 fsf_req;
 };
 
-struct zfcp_rec_dbf_record {
+struct zfcp_dbf_rec_record {
 	u8 id;
 	char id2[7];
 	union {
-		struct zfcp_rec_dbf_record_action action;
-		struct zfcp_rec_dbf_record_thread thread;
-		struct zfcp_rec_dbf_record_target target;
-		struct zfcp_rec_dbf_record_trigger trigger;
+		struct zfcp_dbf_rec_record_action action;
+		struct zfcp_dbf_rec_record_thread thread;
+		struct zfcp_dbf_rec_record_target target;
+		struct zfcp_dbf_rec_record_trigger trigger;
 	} u;
 };
 
@@ -87,7 +89,7 @@ enum {
 	ZFCP_REC_DBF_ID_TRIGGER,
 };
 
-struct zfcp_hba_dbf_record_response {
+struct zfcp_dbf_hba_record_response {
 	u32 fsf_command;
 	u64 fsf_reqid;
 	u32 fsf_seqno;
@@ -125,7 +127,7 @@ struct zfcp_hba_dbf_record_response {
 	} u;
 } __attribute__ ((packed));
 
-struct zfcp_hba_dbf_record_status {
+struct zfcp_dbf_hba_record_status {
 	u8 failed;
 	u32 status_type;
 	u32 status_subtype;
@@ -139,24 +141,24 @@ struct zfcp_hba_dbf_record_status {
 	u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
 } __attribute__ ((packed));
 
-struct zfcp_hba_dbf_record_qdio {
+struct zfcp_dbf_hba_record_qdio {
 	u32 qdio_error;
 	u8 sbal_index;
 	u8 sbal_count;
 } __attribute__ ((packed));
 
-struct zfcp_hba_dbf_record {
+struct zfcp_dbf_hba_record {
 	u8 tag[ZFCP_DBF_TAG_SIZE];
 	u8 tag2[ZFCP_DBF_TAG_SIZE];
 	union {
-		struct zfcp_hba_dbf_record_response response;
-		struct zfcp_hba_dbf_record_status status;
-		struct zfcp_hba_dbf_record_qdio qdio;
+		struct zfcp_dbf_hba_record_response response;
+		struct zfcp_dbf_hba_record_status status;
+		struct zfcp_dbf_hba_record_qdio qdio;
 		struct fsf_bit_error_payload berr;
 	} u;
 } __attribute__ ((packed));
 
-struct zfcp_san_dbf_record_ct_request {
+struct zfcp_dbf_san_record_ct_request {
 	u16 cmd_req_code;
 	u8 revision;
 	u8 gs_type;
@@ -166,7 +168,7 @@ struct zfcp_san_dbf_record_ct_request {
 	u32 len;
 } __attribute__ ((packed));
 
-struct zfcp_san_dbf_record_ct_response {
+struct zfcp_dbf_san_record_ct_response {
 	u16 cmd_rsp_code;
 	u8 revision;
 	u8 reason_code;
@@ -176,27 +178,27 @@ struct zfcp_san_dbf_record_ct_response {
 	u32 len;
 } __attribute__ ((packed));
 
-struct zfcp_san_dbf_record_els {
+struct zfcp_dbf_san_record_els {
 	u8 ls_code;
 	u32 len;
 } __attribute__ ((packed));
 
-struct zfcp_san_dbf_record {
+struct zfcp_dbf_san_record {
 	u8 tag[ZFCP_DBF_TAG_SIZE];
 	u64 fsf_reqid;
 	u32 fsf_seqno;
 	u32 s_id;
 	u32 d_id;
 	union {
-		struct zfcp_san_dbf_record_ct_request ct_req;
-		struct zfcp_san_dbf_record_ct_response ct_resp;
-		struct zfcp_san_dbf_record_els els;
+		struct zfcp_dbf_san_record_ct_request ct_req;
+		struct zfcp_dbf_san_record_ct_response ct_resp;
+		struct zfcp_dbf_san_record_els els;
 	} u;
 #define ZFCP_DBF_SAN_MAX_PAYLOAD 1024
 	u8 payload[32];
 } __attribute__ ((packed));
 
-struct zfcp_scsi_dbf_record {
+struct zfcp_dbf_scsi_record {
 	u8 tag[ZFCP_DBF_TAG_SIZE];
 	u8 tag2[ZFCP_DBF_TAG_SIZE];
 	u32 scsi_id;
@@ -222,4 +224,127 @@ struct zfcp_scsi_dbf_record {
 	u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
 } __attribute__ ((packed));
 
+struct zfcp_dbf {
+	debug_info_t			*rec;
+	debug_info_t			*hba;
+	debug_info_t			*san;
+	debug_info_t			*scsi;
+	spinlock_t			rec_lock;
+	spinlock_t			hba_lock;
+	spinlock_t			san_lock;
+	spinlock_t			scsi_lock;
+	struct zfcp_dbf_rec_record	rec_buf;
+	struct zfcp_dbf_hba_record	hba_buf;
+	struct zfcp_dbf_san_record	san_buf;
+	struct zfcp_dbf_scsi_record	scsi_buf;
+	struct zfcp_adapter		*adapter;
+};
+
+static inline
+void zfcp_dbf_hba_fsf_resp(const char *tag2, int level,
+			   struct zfcp_fsf_req *req, struct zfcp_dbf *dbf)
+{
+	if (level <= dbf->hba->level)
+		_zfcp_dbf_hba_fsf_response(tag2, level, req, dbf);
+}
+
+/**
+ * zfcp_dbf_hba_fsf_response - trace event for request completion
+ * @fsf_req: request that has been completed
+ */
+static inline void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req)
+{
+	struct zfcp_dbf *dbf = req->adapter->dbf;
+	struct fsf_qtcb *qtcb = req->qtcb;
+
+	if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
+	    (qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) {
+		zfcp_dbf_hba_fsf_resp("perr", 1, req, dbf);
+
+	} else if (qtcb->header.fsf_status != FSF_GOOD) {
+		zfcp_dbf_hba_fsf_resp("ferr", 1, req, dbf);
+
+	} else if ((req->fsf_command == FSF_QTCB_OPEN_PORT_WITH_DID) ||
+		   (req->fsf_command == FSF_QTCB_OPEN_LUN)) {
+		zfcp_dbf_hba_fsf_resp("open", 4, req, dbf);
+
+	} else if (qtcb->header.log_length) {
+		zfcp_dbf_hba_fsf_resp("qtcb", 5, req, dbf);
+
+	} else {
+		zfcp_dbf_hba_fsf_resp("norm", 6, req, dbf);
+	}
+ }
+
+/**
+ * zfcp_dbf_hba_fsf_unsol - trace event for an unsolicited status buffer
+ * @tag: tag indicating which kind of unsolicited status has been received
+ * @dbf: reference to dbf structure
+ * @status_buffer: buffer containing payload of unsolicited status
+ */
+static inline
+void zfcp_dbf_hba_fsf_unsol(const char *tag, struct zfcp_dbf *dbf,
+			    struct fsf_status_read_buffer *buf)
+{
+	int level = 2;
+
+	if (level <= dbf->hba->level)
+		_zfcp_dbf_hba_fsf_unsol(tag, level, dbf, buf);
+}
+
+static inline
+void zfcp_dbf_scsi(const char *tag, const char *tag2, int level,
+		   struct zfcp_dbf *dbf, struct scsi_cmnd *scmd,
+		   struct zfcp_fsf_req *req, unsigned long old_id)
+{
+	if (level <= dbf->scsi->level)
+		_zfcp_dbf_scsi(tag, tag2, level, dbf, scmd, req, old_id);
+}
+
+/**
+ * zfcp_dbf_scsi_result - trace event for SCSI command completion
+ * @tag: tag indicating success or failure of SCSI command
+ * @level: trace level applicable for this event
+ * @adapter: adapter that has been used to issue the SCSI command
+ * @scmd: SCSI command pointer
+ * @fsf_req: request used to issue SCSI command (might be NULL)
+ */
+static inline
+void zfcp_dbf_scsi_result(const char *tag, int level, struct zfcp_dbf *dbf,
+			  struct scsi_cmnd *scmd, struct zfcp_fsf_req *fsf_req)
+{
+	zfcp_dbf_scsi("rslt", tag, level, dbf, scmd, fsf_req, 0);
+}
+
+/**
+ * zfcp_dbf_scsi_abort - trace event for SCSI command abort
+ * @tag: tag indicating success or failure of abort operation
+ * @adapter: adapter thas has been used to issue SCSI command to be aborted
+ * @scmd: SCSI command to be aborted
+ * @new_req: request containing abort (might be NULL)
+ * @old_id: identifier of request containg SCSI command to be aborted
+ */
+static inline
+void zfcp_dbf_scsi_abort(const char *tag, struct zfcp_dbf *dbf,
+			 struct scsi_cmnd *scmd, struct zfcp_fsf_req *new_req,
+			 unsigned long old_id)
+{
+	zfcp_dbf_scsi("abrt", tag, 1, dbf, scmd, new_req, old_id);
+}
+
+/**
+ * zfcp_dbf_scsi_devreset - trace event for Logical Unit or Target Reset
+ * @tag: tag indicating success or failure of reset operation
+ * @flag: indicates type of reset (Target Reset, Logical Unit Reset)
+ * @unit: unit that needs reset
+ * @scsi_cmnd: SCSI command which caused this error recovery
+ */
+static inline
+void zfcp_dbf_scsi_devreset(const char *tag, u8 flag, struct zfcp_unit *unit,
+			    struct scsi_cmnd *scsi_cmnd)
+{
+	zfcp_dbf_scsi(flag == FCP_TARGET_RESET ? "trst" : "lrst", tag, 1,
+			    unit->port->adapter->dbf, scsi_cmnd, NULL, 0);
+}
+
 #endif /* ZFCP_DBF_H */

drivers/s390/scsi/zfcp_ext.h

@@ -34,37 +34,31 @@ extern struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
 extern struct miscdevice zfcp_cfdc_misc;
 
 /* zfcp_dbf.c */
-extern int zfcp_adapter_debug_register(struct zfcp_adapter *);
-extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *);
-extern void zfcp_rec_dbf_event_thread(char *, struct zfcp_adapter *);
-extern void zfcp_rec_dbf_event_thread_lock(char *, struct zfcp_adapter *);
-extern void zfcp_rec_dbf_event_adapter(char *, void *, struct zfcp_adapter *);
-extern void zfcp_rec_dbf_event_port(char *, void *, struct zfcp_port *);
-extern void zfcp_rec_dbf_event_unit(char *, void *, struct zfcp_unit *);
-extern void zfcp_rec_dbf_event_trigger(char *, void *, u8, u8, void *,
-				       struct zfcp_adapter *,
-				       struct zfcp_port *, struct zfcp_unit *);
-extern void zfcp_rec_dbf_event_action(char *, struct zfcp_erp_action *);
-extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *);
-extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
-					 struct fsf_status_read_buffer *);
-extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *, unsigned int, int,
-				    int);
-extern void zfcp_hba_dbf_event_berr(struct zfcp_adapter *,
-				    struct zfcp_fsf_req *);
-extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
-extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
-extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
-extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
-extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
-extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *,
-				       struct scsi_cmnd *,
-				       struct zfcp_fsf_req *);
-extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *,
-				      struct scsi_cmnd *, struct zfcp_fsf_req *,
-				      unsigned long);
-extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *,
-					 struct scsi_cmnd *);
+extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
+extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
+extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *);
+extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *);
+extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *);
+extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *);
+extern void zfcp_dbf_rec_unit(char *, void *, struct zfcp_unit *);
+extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *,
+				 struct zfcp_adapter *, struct zfcp_port *,
+				 struct zfcp_unit *);
+extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *);
+extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *,
+				       struct zfcp_dbf *);
+extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *,
+					  struct fsf_status_read_buffer *);
+extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int);
+extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
+extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *);
+extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *);
+extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *);
+extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *);
+extern void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *);
+extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
+			   struct scsi_cmnd *, struct zfcp_fsf_req *,
+			   unsigned long);
 
 /* zfcp_erp.c */
 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *,
@@ -96,22 +90,20 @@ extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *);
 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *,
 					    void *);
 extern void zfcp_erp_timeout_handler(unsigned long);
-extern void zfcp_erp_port_strategy_open_lookup(struct work_struct *);
 
 /* zfcp_fc.c */
-extern int zfcp_scan_ports(struct zfcp_adapter *);
-extern void _zfcp_scan_ports_later(struct work_struct *);
+extern int zfcp_fc_scan_ports(struct zfcp_adapter *);
+extern void _zfcp_fc_scan_ports_later(struct work_struct *);
 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
-extern int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *);
+extern void zfcp_fc_port_did_lookup(struct work_struct *);
 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
-extern void zfcp_test_link(struct zfcp_port *);
+extern void zfcp_fc_test_link(struct zfcp_port *);
 extern void zfcp_fc_link_test_work(struct work_struct *);
-extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
-extern void zfcp_fc_wka_ports_init(struct zfcp_adapter *);
+extern void zfcp_fc_wka_ports_force_offline(struct zfcp_wka_ports *);
+extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
+extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
 extern int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *);
 extern int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *);
-extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
-
 
 /* zfcp_fsf.c */
 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
@@ -122,37 +114,39 @@ extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
 extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
 extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
-extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *,
+extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
 					      struct fsf_qtcb_bottom_config *);
 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
-extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *,
+extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
 					    struct fsf_qtcb_bottom_port *);
 extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
 						  struct zfcp_fsf_cfdc *);
 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
-extern int zfcp_fsf_status_read(struct zfcp_adapter *);
+extern int zfcp_fsf_status_read(struct zfcp_qdio *);
 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
-extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
-			    struct zfcp_erp_action *);
+extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *);
 extern int zfcp_fsf_send_els(struct zfcp_send_els *);
 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *,
 					  struct scsi_cmnd *);
-extern void zfcp_fsf_req_complete(struct zfcp_fsf_req *);
 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
 extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8);
 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long,
 						       struct zfcp_unit *);
+extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
 
 /* zfcp_qdio.c */
-extern int zfcp_qdio_allocate(struct zfcp_adapter *);
-extern void zfcp_qdio_free(struct zfcp_adapter *);
-extern int zfcp_qdio_send(struct zfcp_fsf_req *);
-extern struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_fsf_req *);
-extern struct qdio_buffer_element *zfcp_qdio_sbale_curr(struct zfcp_fsf_req *);
-extern int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *, unsigned long,
+extern int zfcp_qdio_setup(struct zfcp_adapter *);
+extern void zfcp_qdio_destroy(struct zfcp_qdio *);
+extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_queue_req *);
+extern struct qdio_buffer_element
+	*zfcp_qdio_sbale_req(struct zfcp_qdio *, struct zfcp_queue_req *);
+extern struct qdio_buffer_element
+	*zfcp_qdio_sbale_curr(struct zfcp_qdio *, struct zfcp_queue_req *);
+extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *,
+				   struct zfcp_queue_req *, unsigned long,
 				   struct scatterlist *, int);
-extern int zfcp_qdio_open(struct zfcp_adapter *);
-extern void zfcp_qdio_close(struct zfcp_adapter *);
+extern int zfcp_qdio_open(struct zfcp_qdio *);
+extern void zfcp_qdio_close(struct zfcp_qdio *);
 
 /* zfcp_scsi.c */
 extern struct zfcp_data zfcp_data;

drivers/s390/scsi/zfcp_fsf.h

@@ -3,13 +3,14 @@
  *
  * Interface to the FSF support functions.
  *
- * Copyright IBM Corporation 2002, 2008
+ * Copyright IBM Corporation 2002, 2009
  */
 
 #ifndef FSF_H
 #define FSF_H
 
 #include <linux/pfn.h>
+#include <linux/scatterlist.h>
 
 #define FSF_QTCB_CURRENT_VERSION		0x00000001
 

drivers/s390/scsi/zfcp_scsi.c

@@ -9,8 +9,9 @@
 #define KMSG_COMPONENT "zfcp"
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
-#include "zfcp_ext.h"
 #include <asm/atomic.h>
+#include "zfcp_ext.h"
+#include "zfcp_dbf.h"
 
 static unsigned int default_depth = 32;
 module_param_named(queue_depth, default_depth, uint, 0600);
@@ -52,11 +53,11 @@ static int zfcp_scsi_slave_configure(struct scsi_device *sdp)
 
 static void zfcp_scsi_command_fail(struct scsi_cmnd *scpnt, int result)
 {
+	struct zfcp_adapter *adapter =
+		(struct zfcp_adapter *) scpnt->device->host->hostdata[0];
 	set_host_byte(scpnt, result);
 	if ((scpnt->device != NULL) && (scpnt->device->host != NULL))
-		zfcp_scsi_dbf_event_result("fail", 4,
-			(struct zfcp_adapter*) scpnt->device->host->hostdata[0],
-			scpnt, NULL);
+		zfcp_dbf_scsi_result("fail", 4, adapter->dbf, scpnt, NULL);
 	/* return directly */
 	scpnt->scsi_done(scpnt);
 }
@@ -92,7 +93,7 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt,
 	scsi_result = fc_remote_port_chkready(rport);
 	if (unlikely(scsi_result)) {
 		scpnt->result = scsi_result;
-		zfcp_scsi_dbf_event_result("fail", 4, adapter, scpnt, NULL);
+		zfcp_dbf_scsi_result("fail", 4, adapter->dbf, scpnt, NULL);
 		scpnt->scsi_done(scpnt);
 		return 0;
 	}
@@ -180,8 +181,8 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 	spin_unlock(&adapter->req_list_lock);
 	if (!old_req) {
 		write_unlock_irqrestore(&adapter->abort_lock, flags);
-		zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL,
-					  old_reqid);
+		zfcp_dbf_scsi_abort("lte1", adapter->dbf, scpnt, NULL,
+				    old_reqid);
 		return FAILED; /* completion could be in progress */
 	}
 	old_req->data = NULL;
@@ -197,16 +198,15 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 		zfcp_erp_wait(adapter);
 		if (!(atomic_read(&adapter->status) &
 		      ZFCP_STATUS_COMMON_RUNNING)) {
-			zfcp_scsi_dbf_event_abort("nres", adapter, scpnt, NULL,
-						  old_reqid);
+			zfcp_dbf_scsi_abort("nres", adapter->dbf, scpnt, NULL,
+					    old_reqid);
 			return SUCCESS;
 		}
 	}
 	if (!abrt_req)
 		return FAILED;
 
-	wait_event(abrt_req->completion_wq,
-		   abrt_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
+	wait_for_completion(&abrt_req->completion);
 
 	if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED)
 		dbf_tag = "okay";
@@ -216,7 +216,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 		dbf_tag = "fail";
 		retval = FAILED;
 	}
-	zfcp_scsi_dbf_event_abort(dbf_tag, adapter, scpnt, abrt_req, old_reqid);
+	zfcp_dbf_scsi_abort(dbf_tag, adapter->dbf, scpnt, abrt_req, old_reqid);
 	zfcp_fsf_req_free(abrt_req);
 	return retval;
 }
@@ -225,7 +225,7 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
 {
 	struct zfcp_unit *unit = scpnt->device->hostdata;
 	struct zfcp_adapter *adapter = unit->port->adapter;
-	struct zfcp_fsf_req *fsf_req;
+	struct zfcp_fsf_req *fsf_req = NULL;
 	int retval = SUCCESS;
 	int retry = 3;
 
@@ -237,25 +237,23 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
 		zfcp_erp_wait(adapter);
 		if (!(atomic_read(&adapter->status) &
 		      ZFCP_STATUS_COMMON_RUNNING)) {
-			zfcp_scsi_dbf_event_devreset("nres", tm_flags, unit,
-						     scpnt);
+			zfcp_dbf_scsi_devreset("nres", tm_flags, unit, scpnt);
 			return SUCCESS;
 		}
 	}
 	if (!fsf_req)
 		return FAILED;
 
-	wait_event(fsf_req->completion_wq,
-		   fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
+	wait_for_completion(&fsf_req->completion);
 
 	if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) {
-		zfcp_scsi_dbf_event_devreset("fail", tm_flags, unit, scpnt);
+		zfcp_dbf_scsi_devreset("fail", tm_flags, unit, scpnt);
 		retval = FAILED;
 	} else if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP) {
-		zfcp_scsi_dbf_event_devreset("nsup", tm_flags, unit, scpnt);
+		zfcp_dbf_scsi_devreset("nsup", tm_flags, unit, scpnt);
 		retval = FAILED;
 	} else
-		zfcp_scsi_dbf_event_devreset("okay", tm_flags, unit, scpnt);
+		zfcp_dbf_scsi_devreset("okay", tm_flags, unit, scpnt);
 
 	zfcp_fsf_req_free(fsf_req);
 	return retval;
@@ -430,7 +428,7 @@ static struct fc_host_statistics *zfcp_get_fc_host_stats(struct Scsi_Host *host)
 	if (!data)
 		return NULL;
 
-	ret = zfcp_fsf_exchange_port_data_sync(adapter, data);
+	ret = zfcp_fsf_exchange_port_data_sync(adapter->qdio, data);
 	if (ret) {
 		kfree(data);
 		return NULL;
@@ -459,7 +457,7 @@ static void zfcp_reset_fc_host_stats(struct Scsi_Host *shost)
 	if (!data)
 		return;
 
-	ret = zfcp_fsf_exchange_port_data_sync(adapter, data);
+	ret = zfcp_fsf_exchange_port_data_sync(adapter->qdio, data);
 	if (ret)
 		kfree(data);
 	else {
@@ -492,21 +490,6 @@ static void zfcp_set_rport_dev_loss_tmo(struct fc_rport *rport, u32 timeout)
 	rport->dev_loss_tmo = timeout;
 }
 
-/**
- * zfcp_scsi_dev_loss_tmo_callbk - Free any reference to rport
- * @rport: The rport that is about to be deleted.
- */
-static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport)
-{
-	struct zfcp_port *port;
-
-	write_lock_irq(&zfcp_data.config_lock);
-	port = rport->dd_data;
-	if (port)
-		port->rport = NULL;
-	write_unlock_irq(&zfcp_data.config_lock);
-}
-
 /**
  * zfcp_scsi_terminate_rport_io - Terminate all I/O on a rport
  * @rport: The FC rport where to teminate I/O
@@ -518,9 +501,12 @@ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport)
 static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport)
 {
 	struct zfcp_port *port;
+	struct Scsi_Host *shost = rport_to_shost(rport);
+	struct zfcp_adapter *adapter =
+		(struct zfcp_adapter *)shost->hostdata[0];
 
 	write_lock_irq(&zfcp_data.config_lock);
-	port = rport->dd_data;
+	port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
 	if (port)
 		zfcp_port_get(port);
 	write_unlock_irq(&zfcp_data.config_lock);
@@ -552,7 +538,6 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port)
 		return;
 	}
 
-	rport->dd_data = port;
 	rport->maxframe_size = port->maxframe_size;
 	rport->supported_classes = port->supported_classes;
 	port->rport = rport;
@@ -573,7 +558,7 @@ void zfcp_scsi_schedule_rport_register(struct zfcp_port *port)
 	zfcp_port_get(port);
 	port->rport_task = RPORT_ADD;
 
-	if (!queue_work(zfcp_data.work_queue, &port->rport_work))
+	if (!queue_work(port->adapter->work_queue, &port->rport_work))
 		zfcp_port_put(port);
 }
 
@@ -582,8 +567,11 @@ void zfcp_scsi_schedule_rport_block(struct zfcp_port *port)
 	zfcp_port_get(port);
 	port->rport_task = RPORT_DEL;
 
-	if (!queue_work(zfcp_data.work_queue, &port->rport_work))
-		zfcp_port_put(port);
+	if (port->rport && queue_work(port->adapter->work_queue,
+				      &port->rport_work))
+		return;
+
+	zfcp_port_put(port);
 }
 
 void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *adapter)
@@ -662,7 +650,6 @@ struct fc_function_template zfcp_transport_functions = {
 	.reset_fc_host_stats = zfcp_reset_fc_host_stats,
 	.set_rport_dev_loss_tmo = zfcp_set_rport_dev_loss_tmo,
 	.get_host_port_state = zfcp_get_host_port_state,
-	.dev_loss_tmo_callbk = zfcp_scsi_dev_loss_tmo_callbk,
 	.terminate_rport_io = zfcp_scsi_terminate_rport_io,
 	.show_host_port_state = 1,
 	.bsg_request = zfcp_execute_fc_job,

drivers/s390/scsi/zfcp_sysfs.c

@@ -88,7 +88,7 @@ static ssize_t zfcp_sysfs_##_feat##_failed_store(struct device *dev,	       \
 	unsigned long val;						       \
 	int retval = 0;							       \
 									       \
-	down(&zfcp_data.config_sema);					       \
+	mutex_lock(&zfcp_data.config_mutex);				       \
 	if (atomic_read(&_feat->status) & ZFCP_STATUS_COMMON_REMOVE) {	       \
 		retval = -EBUSY;					       \
 		goto out;						       \
@@ -105,7 +105,7 @@ static ssize_t zfcp_sysfs_##_feat##_failed_store(struct device *dev,	       \
 				  _reopen_id, NULL);			       \
 	zfcp_erp_wait(_adapter);					       \
 out:									       \
-	up(&zfcp_data.config_sema);					       \
+	mutex_unlock(&zfcp_data.config_mutex);				       \
 	return retval ? retval : (ssize_t) count;			       \
 }									       \
 static ZFCP_DEV_ATTR(_feat, failed, S_IWUSR | S_IRUGO,			       \
@@ -126,7 +126,7 @@ static ssize_t zfcp_sysfs_port_rescan_store(struct device *dev,
 	if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_REMOVE)
 		return -EBUSY;
 
-	ret = zfcp_scan_ports(adapter);
+	ret = zfcp_fc_scan_ports(adapter);
 	return ret ? ret : (ssize_t) count;
 }
 static ZFCP_DEV_ATTR(adapter, port_rescan, S_IWUSR, NULL,
@@ -142,7 +142,7 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
 	int retval = 0;
 	LIST_HEAD(port_remove_lh);
 
-	down(&zfcp_data.config_sema);
+	mutex_lock(&zfcp_data.config_mutex);
 	if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_REMOVE) {
 		retval = -EBUSY;
 		goto out;
@@ -173,7 +173,7 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
 	zfcp_port_put(port);
 	zfcp_port_dequeue(port);
  out:
-	up(&zfcp_data.config_sema);
+	mutex_unlock(&zfcp_data.config_mutex);
 	return retval ? retval : (ssize_t) count;
 }
 static ZFCP_DEV_ATTR(adapter, port_remove, S_IWUSR, NULL,
@@ -207,7 +207,7 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
 	u64 fcp_lun;
 	int retval = -EINVAL;
 
-	down(&zfcp_data.config_sema);
+	mutex_lock(&zfcp_data.config_mutex);
 	if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_REMOVE) {
 		retval = -EBUSY;
 		goto out;
@@ -226,7 +226,7 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
 	zfcp_erp_wait(unit->port->adapter);
 	zfcp_unit_put(unit);
 out:
-	up(&zfcp_data.config_sema);
+	mutex_unlock(&zfcp_data.config_mutex);
 	return retval ? retval : (ssize_t) count;
 }
 static DEVICE_ATTR(unit_add, S_IWUSR, NULL, zfcp_sysfs_unit_add_store);
@@ -241,7 +241,7 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev,
 	int retval = 0;
 	LIST_HEAD(unit_remove_lh);
 
-	down(&zfcp_data.config_sema);
+	mutex_lock(&zfcp_data.config_mutex);
 	if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_REMOVE) {
 		retval = -EBUSY;
 		goto out;
@@ -282,7 +282,7 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev,
 	zfcp_unit_put(unit);
 	zfcp_unit_dequeue(unit);
 out:
-	up(&zfcp_data.config_sema);
+	mutex_unlock(&zfcp_data.config_mutex);
 	return retval ? retval : (ssize_t) count;
 }
 static DEVICE_ATTR(unit_remove, S_IWUSR, NULL, zfcp_sysfs_unit_remove_store);
@@ -425,7 +425,7 @@ static ssize_t zfcp_sysfs_adapter_util_show(struct device *dev,
 	if (!qtcb_port)
 		return -ENOMEM;
 
-	retval = zfcp_fsf_exchange_port_data_sync(adapter, qtcb_port);
+	retval = zfcp_fsf_exchange_port_data_sync(adapter->qdio, qtcb_port);
 	if (!retval)
 		retval = sprintf(buf, "%u %u %u\n", qtcb_port->cp_util,
 				 qtcb_port->cb_util, qtcb_port->a_util);
@@ -451,7 +451,7 @@ static int zfcp_sysfs_adapter_ex_config(struct device *dev,
 	if (!qtcb_config)
 		return -ENOMEM;
 
-	retval = zfcp_fsf_exchange_config_data_sync(adapter, qtcb_config);
+	retval = zfcp_fsf_exchange_config_data_sync(adapter->qdio, qtcb_config);
 	if (!retval)
 		*stat_inf = qtcb_config->stat_info;
 
@@ -492,15 +492,15 @@ static ssize_t zfcp_sysfs_adapter_q_full_show(struct device *dev,
 					      char *buf)
 {
 	struct Scsi_Host *scsi_host = class_to_shost(dev);
-	struct zfcp_adapter *adapter =
-		(struct zfcp_adapter *) scsi_host->hostdata[0];
+	struct zfcp_qdio *qdio =
+		((struct zfcp_adapter *) scsi_host->hostdata[0])->qdio;
 	u64 util;
 
-	spin_lock_bh(&adapter->qdio_stat_lock);
-	util = adapter->req_q_util;
-	spin_unlock_bh(&adapter->qdio_stat_lock);
+	spin_lock_bh(&qdio->stat_lock);
+	util = qdio->req_q_util;
+	spin_unlock_bh(&qdio->stat_lock);
 
-	return sprintf(buf, "%d %llu\n", atomic_read(&adapter->qdio_outb_full),
+	return sprintf(buf, "%d %llu\n", atomic_read(&qdio->req_q_full),
 		       (unsigned long long)util);
 }
 static DEVICE_ATTR(queue_full, S_IRUGO, zfcp_sysfs_adapter_q_full_show, NULL);

drivers/scsi/Kconfig

@@ -1811,6 +1811,12 @@ config ZFCP
           called zfcp. If you want to compile it as a module, say M here
           and read <file:Documentation/kbuild/modules.txt>.
 
+config SCSI_PMCRAID
+	tristate "PMC SIERRA Linux MaxRAID adapter support"
+	depends on PCI && SCSI
+	---help---
+	  This driver supports the PMC SIERRA MaxRAID adapters.
+
 config SCSI_SRP
 	tristate "SCSI RDMA Protocol helper library"
 	depends on SCSI && PCI

drivers/scsi/Makefile

@@ -130,6 +130,7 @@ obj-$(CONFIG_SCSI_MVSAS)	+= mvsas/
 obj-$(CONFIG_PS3_ROM)		+= ps3rom.o
 obj-$(CONFIG_SCSI_CXGB3_ISCSI)	+= libiscsi.o libiscsi_tcp.o cxgb3i/
 obj-$(CONFIG_SCSI_BNX2_ISCSI)	+= libiscsi.o bnx2i/
+obj-$(CONFIG_SCSI_PMCRAID)	+= pmcraid.o
 
 obj-$(CONFIG_ARM)		+= arm/
 

drivers/scsi/bnx2i/bnx2i_iscsi.c

@@ -387,6 +387,7 @@ static struct iscsi_endpoint *bnx2i_alloc_ep(struct bnx2i_hba *hba)
 	bnx2i_ep = ep->dd_data;
 	INIT_LIST_HEAD(&bnx2i_ep->link);
 	bnx2i_ep->state = EP_STATE_IDLE;
+	bnx2i_ep->ep_iscsi_cid = (u16) -1;
 	bnx2i_ep->hba = hba;
 	bnx2i_ep->hba_age = hba->age;
 	hba->ofld_conns_active++;
@@ -1160,9 +1161,6 @@ static int bnx2i_task_xmit(struct iscsi_task *task)
 	struct bnx2i_cmd *cmd = task->dd_data;
 	struct iscsi_cmd *hdr = (struct iscsi_cmd *) task->hdr;
 
-	if (test_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state))
-		return -ENOTCONN;
-
 	if (!bnx2i_conn->is_bound)
 		return -ENOTCONN;
 
@@ -1653,15 +1651,18 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost,
 	struct iscsi_endpoint *ep;
 	int rc = 0;
 
-	if (shost)
+	if (shost) {
 		/* driver is given scsi host to work with */
 		hba = iscsi_host_priv(shost);
-	else
+		/* Register the device with cnic if not already done so */
+		bnx2i_register_device(hba);
+	} else
 		/*
 		 * check if the given destination can be reached through
 		 * a iscsi capable NetXtreme2 device
 		 */
 		hba = bnx2i_check_route(dst_addr);
+
 	if (!hba) {
 		rc = -ENOMEM;
 		goto check_busy;
@@ -1681,8 +1682,6 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost,
 		goto net_if_down;
 	}
 
-	bnx2i_ep->state = EP_STATE_IDLE;
-	bnx2i_ep->ep_iscsi_cid = (u16) -1;
 	bnx2i_ep->num_active_cmds = 0;
 	iscsi_cid = bnx2i_alloc_iscsi_cid(hba);
 	if (iscsi_cid == -1) {

drivers/scsi/ch.c

@@ -353,6 +353,12 @@ ch_readconfig(scsi_changer *ch)
 	/* look up the devices of the data transfer elements */
 	ch->dt = kmalloc(ch->counts[CHET_DT]*sizeof(struct scsi_device),
 			 GFP_KERNEL);
+
+	if (!ch->dt) {
+		kfree(buffer);
+		return -ENOMEM;
+	}
+
 	for (elem = 0; elem < ch->counts[CHET_DT]; elem++) {
 		id  = -1;
 		lun = 0;

drivers/scsi/device_handler/scsi_dh_alua.c

@@ -663,7 +663,7 @@ static int alua_activate(struct scsi_device *sdev)
 			goto out;
 	}
 
-	if (h->tpgs == TPGS_MODE_EXPLICIT && h->state != TPGS_STATE_OPTIMIZED)
+	if (h->tpgs & TPGS_MODE_EXPLICIT && h->state != TPGS_STATE_OPTIMIZED)
 		err = alua_stpg(sdev, TPGS_STATE_OPTIMIZED, h);
 
 out:

drivers/scsi/fnic/fnic_fcs.c

@@ -115,7 +115,7 @@ void fnic_handle_frame(struct work_struct *work)
 		}
 		spin_unlock_irqrestore(&fnic->fnic_lock, flags);
 
-		fc_exch_recv(lp, lp->emp, fp);
+		fc_exch_recv(lp, fp);
 	}
 
 }

drivers/scsi/libsrp.c

@@ -124,6 +124,7 @@ static void srp_ring_free(struct device *dev, struct srp_buf **ring, size_t max,
 		dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma);
 		kfree(ring[i]);
 	}
+	kfree(ring);
 }
 
 int srp_target_alloc(struct srp_target *target, struct device *dev,