Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (40 commits)
  [SCSI] aic79xx: Print out signalling
  [SCSI] aic7xxx: Remove slave_destroy
  [SCSI] aic79xx: set precompensation
  [SCSI] aic79xx: Fixup external device reset
  [SCSI] replace u8 and u32 with __u8 and __u32 in scsi.h for user space
  [SCSI] lpfc: fix printk format warning
  [SCSI] aic79xx: make ahd_set_tags() static
  [SCSI] aic7xxx: cleanups
  [SCSI] drivers/scsi: Handcrafted MIN/MAX macro removal
  [SCSI] scsi_debug: support REPORT TARGET PORT GROUPS
  [SCSI] qla1280 bus reset typo
  [SCSI] libiscsi: fix logout pdu processing
  [SCSI] libiscsi: fix aen support
  [SCSI] libiscsi: fix missed iscsi_task_put in xmit error path
  [SCSI] libiscsi: fix oops in connection create failure path
  [SCSI] iscsi class: fix slab corruption during restart
  [SCSI] Switch fdomain to the pci_get API
  [SCSI] add can_queue to host parameters
  [SCSI] megaraid_{mm,mbox}: 64-bit DMA capability fix
  [SCSI] aic94xx: Supermicro motherboards support
  ...

drivers/fc4/fc.c

@@ -70,9 +70,9 @@
 
 #define FCP_CMND(SCpnt) ((fcp_cmnd *)&(SCpnt->SCp))
 #define FC_SCMND(SCpnt) ((fc_channel *)(SCpnt->device->host->hostdata[0]))
-#define SC_FCMND(fcmnd) ((Scsi_Cmnd *)((long)fcmnd - (long)&(((Scsi_Cmnd *)0)->SCp)))
+#define SC_FCMND(fcmnd)	((struct scsi_cmnd *)((long)fcmnd - (long)&(((struct scsi_cmnd *)0)->SCp)))
 
-static int fcp_scsi_queue_it(fc_channel *, Scsi_Cmnd *, fcp_cmnd *, int);
+static int fcp_scsi_queue_it(fc_channel *, struct scsi_cmnd *, fcp_cmnd *, int);
 void fcp_queue_empty(fc_channel *);
 
 static void fcp_scsi_insert_queue (fc_channel *fc, fcp_cmnd *fcmd)
@@ -378,14 +378,14 @@ void fcp_register(fc_channel *fc, u8 type, int unregister)
 		printk ("FC: %segistering unknown type %02x\n", unregister ? "Unr" : "R", type);
 }
 
-static void fcp_scsi_done(Scsi_Cmnd *SCpnt);
+static void fcp_scsi_done(struct scsi_cmnd *SCpnt);
 
 static inline void fcp_scsi_receive(fc_channel *fc, int token, int status, fc_hdr *fch)
 {
 	fcp_cmnd *fcmd;
 	fcp_rsp  *rsp;
 	int host_status;
-	Scsi_Cmnd *SCpnt;
+	struct scsi_cmnd *SCpnt;
 	int sense_len;
 	int rsp_status;
 
@@ -757,13 +757,14 @@ void fcp_release(fc_channel *fcchain, int count)  /* count must > 0 */
 }
 
 
-static void fcp_scsi_done (Scsi_Cmnd *SCpnt)
+static void fcp_scsi_done(struct scsi_cmnd *SCpnt)
 {
 	if (FCP_CMND(SCpnt)->done)
 		FCP_CMND(SCpnt)->done(SCpnt);
 }
 
-static int fcp_scsi_queue_it(fc_channel *fc, Scsi_Cmnd *SCpnt, fcp_cmnd *fcmd, int prepare)
+static int fcp_scsi_queue_it(fc_channel *fc, struct scsi_cmnd *SCpnt,
+			     fcp_cmnd *fcmd, int prepare)
 {
 	long i;
 	fcp_cmd *cmd;
@@ -837,7 +838,8 @@ static int fcp_scsi_queue_it(fc_channel *fc, Scsi_Cmnd *SCpnt, fcp_cmnd *fcmd, i
 	return 0;
 }
 
-int fcp_scsi_queuecommand(Scsi_Cmnd *SCpnt, void (* done)(Scsi_Cmnd *))
+int fcp_scsi_queuecommand(struct scsi_cmnd *SCpnt,
+			  void (* done)(struct scsi_cmnd *))
 {
 	fcp_cmnd *fcmd = FCP_CMND(SCpnt);
 	fc_channel *fc = FC_SCMND(SCpnt);
@@ -873,7 +875,7 @@ void fcp_queue_empty(fc_channel *fc)
 	}
 }
 
-int fcp_scsi_abort(Scsi_Cmnd *SCpnt)
+int fcp_scsi_abort(struct scsi_cmnd *SCpnt)
 {
 	/* Internal bookkeeping only. Lose 1 cmd_slots slot. */
 	fcp_cmnd *fcmd = FCP_CMND(SCpnt);
@@ -910,7 +912,7 @@ int fcp_scsi_abort(Scsi_Cmnd *SCpnt)
 }
 
 #if 0
-void fcp_scsi_reset_done(Scsi_Cmnd *SCpnt)
+void fcp_scsi_reset_done(struct scsi_cmnd *SCpnt)
 {
 	fc_channel *fc = FC_SCMND(SCpnt);
 
@@ -921,7 +923,7 @@ void fcp_scsi_reset_done(Scsi_Cmnd *SCpnt)
 
 #define FCP_RESET_TIMEOUT (2*HZ)
 
-int fcp_scsi_dev_reset(Scsi_Cmnd *SCpnt)
+int fcp_scsi_dev_reset(struct scsi_cmnd *SCpnt)
 {
 #if 0 /* broken junk, but if davem wants to compile this driver, let him.. */
 	unsigned long flags;
@@ -931,7 +933,7 @@ int fcp_scsi_dev_reset(Scsi_Cmnd *SCpnt)
         DECLARE_MUTEX_LOCKED(sem);
 
 	if (!fc->rst_pkt) {
-		fc->rst_pkt = (Scsi_Cmnd *) kmalloc(sizeof(SCpnt), GFP_KERNEL);
+		fc->rst_pkt = (struct scsi_cmnd *) kmalloc(sizeof(SCpnt), GFP_KERNEL);
 		if (!fc->rst_pkt) return FAILED;
 
 		fcmd = FCP_CMND(fc->rst_pkt);
@@ -999,7 +1001,7 @@ int fcp_scsi_dev_reset(Scsi_Cmnd *SCpnt)
 	return SUCCESS;
 }
 
-static int __fcp_scsi_host_reset(Scsi_Cmnd *SCpnt)
+static int __fcp_scsi_host_reset(struct scsi_cmnd *SCpnt)
 {
 	fc_channel *fc = FC_SCMND(SCpnt);
 	fcp_cmnd *fcmd = FCP_CMND(SCpnt);
@@ -1020,7 +1022,7 @@ static int __fcp_scsi_host_reset(Scsi_Cmnd *SCpnt)
 	else return FAILED;
 }
 
-int fcp_scsi_host_reset(Scsi_Cmnd *SCpnt)
+int fcp_scsi_host_reset(struct scsi_cmnd *SCpnt)
 {
 	unsigned long flags;
 	int rc;

drivers/fc4/fcp_impl.h

@@ -39,7 +39,7 @@ struct _fc_channel;
 typedef struct fcp_cmnd {
 	struct fcp_cmnd		*next;
 	struct fcp_cmnd		*prev;
-	void			(*done)(Scsi_Cmnd *);
+	void			(*done)(struct scsi_cmnd *);
 	unsigned short		proto;
 	unsigned short		token;
 	unsigned int		did;
@@ -94,14 +94,14 @@ typedef struct _fc_channel {
 	long			*scsi_bitmap;
 	long			scsi_bitmap_end;
 	int			scsi_free;
-	int			(*encode_addr)(Scsi_Cmnd *, u16 *, struct _fc_channel *, fcp_cmnd *);
+	int			(*encode_addr)(struct scsi_cmnd *, u16 *, struct _fc_channel *, fcp_cmnd *);
 	fcp_cmnd		*scsi_que;
 	char			scsi_name[4];
 	fcp_cmnd		**cmd_slots;
 	int			channels;
 	int			targets;
 	long			*ages;
-	Scsi_Cmnd		*rst_pkt;
+	struct scsi_cmnd	*rst_pkt;
 	fcp_posmap		*posmap;
 	/* LOGIN stuff */
 	fcp_cmnd		*login;
@@ -155,9 +155,10 @@ int fc_do_prli(fc_channel *, unsigned char);
 	for_each_fc_channel(fc)				\
 		if (fc->state == FC_STATE_ONLINE)
 
-int fcp_scsi_queuecommand(Scsi_Cmnd *, void (* done)(Scsi_Cmnd *));
-int fcp_scsi_abort(Scsi_Cmnd *);
-int fcp_scsi_dev_reset(Scsi_Cmnd *);
-int fcp_scsi_host_reset(Scsi_Cmnd *);
+int fcp_scsi_queuecommand(struct scsi_cmnd *,
+			  void (* done) (struct scsi_cmnd *));
+int fcp_scsi_abort(struct scsi_cmnd *);
+int fcp_scsi_dev_reset(struct scsi_cmnd *);
+int fcp_scsi_host_reset(struct scsi_cmnd *);
 
 #endif /* !(_FCP_SCSI_H) */

drivers/message/fusion/mptbase.h

@@ -75,8 +75,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2005 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.04.01"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.01"
+#define MPT_LINUX_VERSION_COMMON	"3.04.02"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.02"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \

drivers/message/fusion/mptfc.c

@@ -96,6 +96,10 @@ static int mptfc_qcmd(struct scsi_cmnd *SCpnt,
 static void mptfc_target_destroy(struct scsi_target *starget);
 static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
 static void __devexit mptfc_remove(struct pci_dev *pdev);
+static int mptfc_abort(struct scsi_cmnd *SCpnt);
+static int mptfc_dev_reset(struct scsi_cmnd *SCpnt);
+static int mptfc_bus_reset(struct scsi_cmnd *SCpnt);
+static int mptfc_host_reset(struct scsi_cmnd *SCpnt);
 
 static struct scsi_host_template mptfc_driver_template = {
 	.module				= THIS_MODULE,
@@ -110,10 +114,10 @@ static struct scsi_host_template mptfc_driver_template = {
 	.target_destroy			= mptfc_target_destroy,
 	.slave_destroy			= mptscsih_slave_destroy,
 	.change_queue_depth 		= mptscsih_change_queue_depth,
-	.eh_abort_handler		= mptscsih_abort,
-	.eh_device_reset_handler	= mptscsih_dev_reset,
-	.eh_bus_reset_handler		= mptscsih_bus_reset,
-	.eh_host_reset_handler		= mptscsih_host_reset,
+	.eh_abort_handler		= mptfc_abort,
+	.eh_device_reset_handler	= mptfc_dev_reset,
+	.eh_bus_reset_handler		= mptfc_bus_reset,
+	.eh_host_reset_handler		= mptfc_host_reset,
 	.bios_param			= mptscsih_bios_param,
 	.can_queue			= MPT_FC_CAN_QUEUE,
 	.this_id			= -1,
@@ -171,6 +175,77 @@ static struct fc_function_template mptfc_transport_functions = {
 	.show_host_symbolic_name = 1,
 };
 
+static int
+mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
+			  int (*func)(struct scsi_cmnd *SCpnt),
+			  const char *caller)
+{
+	struct scsi_device	*sdev = SCpnt->device;
+	struct Scsi_Host	*shost = sdev->host;
+	struct fc_rport		*rport = starget_to_rport(scsi_target(sdev));
+	unsigned long		flags;
+	int			ready;
+
+	spin_lock_irqsave(shost->host_lock, flags);
+	while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY) {
+		spin_unlock_irqrestore(shost->host_lock, flags);
+		dfcprintk ((MYIOC_s_INFO_FMT
+			"mptfc_block_error_handler.%d: %d:%d, port status is "
+			"DID_IMM_RETRY, deferring %s recovery.\n",
+			((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
+			((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
+			SCpnt->device->id,SCpnt->device->lun,caller));
+		msleep(1000);
+		spin_lock_irqsave(shost->host_lock, flags);
+	}
+	spin_unlock_irqrestore(shost->host_lock, flags);
+
+	if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata) {
+		dfcprintk ((MYIOC_s_INFO_FMT
+			"%s.%d: %d:%d, failing recovery, "
+			"port state %d, vdev %p.\n", caller,
+			((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
+			((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
+			SCpnt->device->id,SCpnt->device->lun,ready,
+			SCpnt->device->hostdata));
+		return FAILED;
+	}
+	dfcprintk ((MYIOC_s_INFO_FMT
+		"%s.%d: %d:%d, executing recovery.\n", caller,
+		((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
+		((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
+		SCpnt->device->id,SCpnt->device->lun));
+	return (*func)(SCpnt);
+}
+
+static int
+mptfc_abort(struct scsi_cmnd *SCpnt)
+{
+	return
+	    mptfc_block_error_handler(SCpnt, mptscsih_abort, __FUNCTION__);
+}
+
+static int
+mptfc_dev_reset(struct scsi_cmnd *SCpnt)
+{
+	return
+	    mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __FUNCTION__);
+}
+
+static int
+mptfc_bus_reset(struct scsi_cmnd *SCpnt)
+{
+	return
+	    mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __FUNCTION__);
+}
+
+static int
+mptfc_host_reset(struct scsi_cmnd *SCpnt)
+{
+	return
+	    mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __FUNCTION__);
+}
+
 static void
 mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 {
@@ -562,6 +637,12 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 		return 0;
 	}
 
+	if (!SCpnt->device->hostdata) {	/* vdev */
+		SCpnt->result = DID_NO_CONNECT << 16;
+		done(SCpnt);
+		return 0;
+	}
+
 	/* dd_data is null until finished adding target */
 	ri = *((struct mptfc_rport_info **)rport->dd_data);
 	if (unlikely(!ri)) {

drivers/s390/scsi/zfcp_def.h

@@ -107,6 +107,10 @@ zfcp_address_to_sg(void *address, struct scatterlist *list)
 	(ZFCP_MAX_SBALS_PER_REQ * ZFCP_MAX_SBALES_PER_SBAL - 2)
         /* request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */
 
+#define ZFCP_MAX_SECTORS (ZFCP_MAX_SBALES_PER_REQ * 8)
+        /* max. number of (data buffer) SBALEs in largest SBAL chain
+           multiplied with number of sectors per 4k block */
+
 /* FIXME(tune): free space should be one max. SBAL chain plus what? */
 #define ZFCP_QDIO_PCI_INTERVAL		(QDIO_MAX_BUFFERS_PER_Q \
                                          - (ZFCP_MAX_SBALS_PER_REQ + 4))

drivers/s390/scsi/zfcp_scsi.c

@@ -58,6 +58,7 @@ struct zfcp_data zfcp_data = {
 		.cmd_per_lun		= 1,
 		.use_clustering		= 1,
 		.sdev_attrs		= zfcp_sysfs_sdev_attrs,
+		.max_sectors		= ZFCP_MAX_SECTORS,
 	},
 	.driver_version = ZFCP_VERSION,
 };