5 files changed, 137 insertions, 48 deletions

diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index dd028df4b2..9f3999750c 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -1328,8 +1328,8 @@ mptctl_getiocinfo (MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size)
 
 	/* Set the Version Strings.
 	 */
-	strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH);
-	karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0';
+	strscpy_pad(karg->driverVersion, MPT_LINUX_PACKAGE_NAME,
+		    sizeof(karg->driverVersion));
 
 	karg->busChangeEvent = 0;
 	karg->hostId = ioc->pfacts[port].PortSCSIID;
@@ -1493,10 +1493,8 @@ mptctl_readtest (MPT_ADAPTER *ioc, unsigned long arg)
 #else
 	karg.chip_type = ioc->pcidev->device;
 #endif
-	strncpy (karg.name, ioc->name, MPT_MAX_NAME);
-	karg.name[MPT_MAX_NAME-1]='\0';
-	strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH);
-	karg.product[MPT_PRODUCT_LENGTH-1]='\0';
+	strscpy_pad(karg.name, ioc->name, sizeof(karg.name));
+	strscpy_pad(karg.product, ioc->prod_name, sizeof(karg.product));
 
 	/* Copy the data from kernel memory to user memory
 	 */
@@ -2394,7 +2392,7 @@ mptctl_hp_hostinfo(MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size)
 	cfg.dir = 0;	/* read */
 	cfg.timeout = 10;
 
-	strncpy(karg.serial_number, " ", 24);
+	strscpy_pad(karg.serial_number, " ", sizeof(karg.serial_number));
 	if (mpt_config(ioc, &cfg) == 0) {
 		if (cfg.cfghdr.hdr->PageLength > 0) {
 			/* Issue the second config page request */
@@ -2408,8 +2406,9 @@ mptctl_hp_hostinfo(MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size)
 				if (mpt_config(ioc, &cfg) == 0) {
 					ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf;
 					if (strlen(pdata->BoardTracerNumber) > 1) {
-						strscpy(karg.serial_number,
-							pdata->BoardTracerNumber, 24);
+						strscpy_pad(karg.serial_number,
+							pdata->BoardTracerNumber,
+							sizeof(karg.serial_number));
 					}
 				}
 				dma_free_coherent(&ioc->pcidev->dev,
@@ -2456,7 +2455,7 @@ mptctl_hp_hostinfo(MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size)
 		}
 	}
 
-	/* 
+	/*
 	 * Gather ISTWI(Industry Standard Two Wire Interface) Data
 	 */
 	if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) {
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 22e7779a33..0581f855c7 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -183,73 +183,109 @@ static struct fc_function_template mptfc_transport_functions = {
 };
 
 static int
-mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
-			  int (*func)(struct scsi_cmnd *SCpnt),
-			  const char *caller)
+mptfc_block_error_handler(struct fc_rport *rport)
 {
 	MPT_SCSI_HOST		*hd;
-	struct scsi_device	*sdev = SCpnt->device;
-	struct Scsi_Host	*shost = sdev->host;
-	struct fc_rport		*rport = starget_to_rport(scsi_target(sdev));
+	struct Scsi_Host	*shost = rport_to_shost(rport);
 	unsigned long		flags;
 	int			ready;
-	MPT_ADAPTER 		*ioc;
+	MPT_ADAPTER		*ioc;
 	int			loops = 40;	/* seconds */
 
-	hd = shost_priv(SCpnt->device->host);
+	hd = shost_priv(shost);
 	ioc = hd->ioc;
 	spin_lock_irqsave(shost->host_lock, flags);
 	while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
 	 || (loops > 0 && ioc->active == 0)) {
 		spin_unlock_irqrestore(shost->host_lock, flags);
 		dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
-			"mptfc_block_error_handler.%d: %d:%llu, port status is "
-			"%x, active flag %d, deferring %s recovery.\n",
+			"mptfc_block_error_handler.%d: %s, port status is "
+			"%x, active flag %d, deferring recovery.\n",
 			ioc->name, ioc->sh->host_no,
-			SCpnt->device->id, SCpnt->device->lun,
-			ready, ioc->active, caller));
+			dev_name(&rport->dev), ready, ioc->active));
 		msleep(1000);
 		spin_lock_irqsave(shost->host_lock, flags);
 		loops --;
 	}
 	spin_unlock_irqrestore(shost->host_lock, flags);
 
-	if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
-	 || ioc->active == 0) {
+	if (ready == DID_NO_CONNECT || ioc->active == 0) {
 		dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
-			"%s.%d: %d:%llu, failing recovery, "
-			"port state %x, active %d, vdevice %p.\n", caller,
+			"mpt_block_error_handler.%d: %s, failing recovery, "
+			"port state %x, active %d.\n",
 			ioc->name, ioc->sh->host_no,
-			SCpnt->device->id, SCpnt->device->lun, ready,
-			ioc->active, SCpnt->device->hostdata));
+			dev_name(&rport->dev), ready, ioc->active));
 		return FAILED;
 	}
-	dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
-		"%s.%d: %d:%llu, executing recovery.\n", caller,
-		ioc->name, ioc->sh->host_no,
-		SCpnt->device->id, SCpnt->device->lun));
-	return (*func)(SCpnt);
+	return SUCCESS;
 }
 
 static int
 mptfc_abort(struct scsi_cmnd *SCpnt)
 {
-	return
-	    mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
+	struct Scsi_Host *shost = SCpnt->device->host;
+	struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
+	MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
+	int rtn;
+
+	rtn = mptfc_block_error_handler(rport);
+	if (rtn == SUCCESS) {
+		dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
+			"%s.%d: %d:%llu, executing recovery.\n", __func__,
+			hd->ioc->name, shost->host_no,
+			SCpnt->device->id, SCpnt->device->lun));
+		rtn = mptscsih_abort(SCpnt);
+	}
+	return rtn;
 }
 
 static int
 mptfc_dev_reset(struct scsi_cmnd *SCpnt)
 {
-	return
-	    mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
+	struct Scsi_Host *shost = SCpnt->device->host;
+	struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
+	MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
+	int rtn;
+
+	rtn = mptfc_block_error_handler(rport);
+	if (rtn == SUCCESS) {
+		dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
+			"%s.%d: %d:%llu, executing recovery.\n", __func__,
+			hd->ioc->name, shost->host_no,
+			SCpnt->device->id, SCpnt->device->lun));
+		rtn = mptscsih_dev_reset(SCpnt);
+	}
+	return rtn;
 }
 
 static int
 mptfc_bus_reset(struct scsi_cmnd *SCpnt)
 {
-	return
-	    mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
+	struct Scsi_Host *shost = SCpnt->device->host;
+	MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
+	int channel = SCpnt->device->channel;
+	struct mptfc_rport_info *ri;
+	int rtn = FAILED;
+
+	list_for_each_entry(ri, &hd->ioc->fc_rports, list) {
+		if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
+			VirtTarget *vtarget = ri->starget->hostdata;
+
+			if (!vtarget || vtarget->channel != channel)
+				continue;
+			rtn = fc_block_rport(ri->rport);
+			if (rtn != 0)
+				break;
+		}
+	}
+	if (rtn == 0) {
+		dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
+			"%s.%d: %d:%llu, executing recovery.\n", __func__,
+			hd->ioc->name, shost->host_no,
+			SCpnt->device->id, SCpnt->device->lun));
+		rtn = mptscsih_bus_reset(SCpnt);
+	}
+	return rtn;
 }
 
 static void
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 86f16f3ea4..300f8e955a 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -2964,17 +2964,17 @@ mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
 			goto out_free;
 
 		manufacture_reply = data_out + sizeof(struct rep_manu_request);
-		strncpy(edev->vendor_id, manufacture_reply->vendor_id,
-			SAS_EXPANDER_VENDOR_ID_LEN);
-		strncpy(edev->product_id, manufacture_reply->product_id,
-			SAS_EXPANDER_PRODUCT_ID_LEN);
-		strncpy(edev->product_rev, manufacture_reply->product_rev,
-			SAS_EXPANDER_PRODUCT_REV_LEN);
+		strscpy(edev->vendor_id, manufacture_reply->vendor_id,
+			sizeof(edev->vendor_id));
+		strscpy(edev->product_id, manufacture_reply->product_id,
+			sizeof(edev->product_id));
+		strscpy(edev->product_rev, manufacture_reply->product_rev,
+			sizeof(edev->product_rev));
 		edev->level = manufacture_reply->sas_format;
 		if (manufacture_reply->sas_format) {
-			strncpy(edev->component_vendor_id,
+			strscpy(edev->component_vendor_id,
 				manufacture_reply->component_vendor_id,
-				SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
+				sizeof(edev->component_vendor_id));
 			tmp = (u8 *)&manufacture_reply->component_id;
 			edev->component_id = tmp[0] << 8 | tmp[1];
 			edev->component_revision_id =
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 2bc17087d1..9080a73b4e 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1793,7 +1793,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
- *	mptscsih_dev_reset - Perform a SCSI TARGET_RESET!  new_eh variant
+ *	mptscsih_dev_reset - Perform a SCSI LOGICAL_UNIT_RESET!
  *	@SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
  *
  *	(linux scsi_host_template.eh_dev_reset_handler routine)
@@ -1811,6 +1811,58 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
 	/* If we can't locate our host adapter structure, return FAILED status.
 	 */
 	if ((hd = shost_priv(SCpnt->device->host)) == NULL){
+		printk(KERN_ERR MYNAM ": lun reset: "
+		   "Can't locate host! (sc=%p)\n", SCpnt);
+		return FAILED;
+	}
+
+	ioc = hd->ioc;
+	printk(MYIOC_s_INFO_FMT "attempting lun reset! (sc=%p)\n",
+	       ioc->name, SCpnt);
+	scsi_print_command(SCpnt);
+
+	vdevice = SCpnt->device->hostdata;
+	if (!vdevice || !vdevice->vtarget) {
+		retval = 0;
+		goto out;
+	}
+
+	retval = mptscsih_IssueTaskMgmt(hd,
+				MPI_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET,
+				vdevice->vtarget->channel,
+				vdevice->vtarget->id, vdevice->lun, 0,
+				mptscsih_get_tm_timeout(ioc));
+
+ out:
+	printk (MYIOC_s_INFO_FMT "lun reset: %s (sc=%p)\n",
+	    ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+
+	if (retval == 0)
+		return SUCCESS;
+	else
+		return FAILED;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ *	mptscsih_target_reset - Perform a SCSI TARGET_RESET!
+ *	@SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
+ *
+ *	(linux scsi_host_template.eh_target_reset_handler routine)
+ *
+ *	Returns SUCCESS or FAILED.
+ **/
+int
+mptscsih_target_reset(struct scsi_cmnd * SCpnt)
+{
+	MPT_SCSI_HOST	*hd;
+	int		 retval;
+	VirtDevice	 *vdevice;
+	MPT_ADAPTER	*ioc;
+
+	/* If we can't locate our host adapter structure, return FAILED status.
+	 */
+	if ((hd = shost_priv(SCpnt->device->host)) == NULL){
 		printk(KERN_ERR MYNAM ": target reset: "
 		   "Can't locate host! (sc=%p)\n", SCpnt);
 		return FAILED;
@@ -3256,6 +3308,7 @@ EXPORT_SYMBOL(mptscsih_slave_destroy);
 EXPORT_SYMBOL(mptscsih_slave_configure);
 EXPORT_SYMBOL(mptscsih_abort);
 EXPORT_SYMBOL(mptscsih_dev_reset);
+EXPORT_SYMBOL(mptscsih_target_reset);
 EXPORT_SYMBOL(mptscsih_bus_reset);
 EXPORT_SYMBOL(mptscsih_host_reset);
 EXPORT_SYMBOL(mptscsih_bios_param);
diff --git a/drivers/message/fusion/mptscsih.h b/drivers/message/fusion/mptscsih.h
index a22c5eaf70..e3d92c3926 100644
--- a/drivers/message/fusion/mptscsih.h
+++ b/drivers/message/fusion/mptscsih.h
@@ -120,6 +120,7 @@ extern void mptscsih_slave_destroy(struct scsi_device *device);
 extern int mptscsih_slave_configure(struct scsi_device *device);
 extern int mptscsih_abort(struct scsi_cmnd * SCpnt);
 extern int mptscsih_dev_reset(struct scsi_cmnd * SCpnt);
+extern int mptscsih_target_reset(struct scsi_cmnd * SCpnt);
 extern int mptscsih_bus_reset(struct scsi_cmnd * SCpnt);
 extern int mptscsih_host_reset(struct scsi_cmnd *SCpnt);
 extern int mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, sector_t capacity, int geom[]);