Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1619 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
new file mode 100644
index 000000000..eabc4de58
--- /dev/null
+++ b/drivers/message/fusion/mptspi.c
@@ -0,0 +1,1619 @@
+/*
+ *  linux/drivers/message/fusion/mptspi.c
+ *      For use with LSI PCI chip/adapter(s)
+ *      running LSI Fusion MPT (Message Passing Technology) firmware.
+ *
+ *  Copyright (c) 1999-2008 LSI Corporation
+ *  (mailto:DL-MPTFusionLinux@lsi.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; version 2 of the License.
+
+    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.
+
+    NO WARRANTY
+    THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
+    CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
+    LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
+    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
+    solely responsible for determining the appropriateness of using and
+    distributing the Program and assumes all risks associated with its
+    exercise of rights under this Agreement, including but not limited to
+    the risks and costs of program errors, damage to or loss of data,
+    programs or equipment, and unavailability or interruption of operations.
+
+    DISCLAIMER OF LIABILITY
+    NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+    USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
+    HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/kdev_t.h>
+#include <linux/blkdev.h>
+#include <linux/delay.h>	/* for mdelay */
+#include <linux/interrupt.h>	/* needed for in_interrupt() proto */
+#include <linux/reboot.h>	/* notifier code */
+#include <linux/workqueue.h>
+#include <linux/raid_class.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_spi.h>
+#include <scsi/scsi_dbg.h>
+
+#include "mptbase.h"
+#include "mptscsih.h"
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+#define my_NAME		"Fusion MPT SPI Host driver"
+#define my_VERSION	MPT_LINUX_VERSION_COMMON
+#define MYNAM		"mptspi"
+
+MODULE_AUTHOR(MODULEAUTHOR);
+MODULE_DESCRIPTION(my_NAME);
+MODULE_LICENSE("GPL");
+MODULE_VERSION(my_VERSION);
+
+/* Command line args */
+static int mpt_saf_te = MPTSCSIH_SAF_TE;
+module_param(mpt_saf_te, int, 0);
+MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1  (default=MPTSCSIH_SAF_TE=0)");
+
+static void mptspi_write_offset(struct scsi_target *, int);
+static void mptspi_write_width(struct scsi_target *, int);
+static int mptspi_write_spi_device_pg1(struct scsi_target *,
+				       struct _CONFIG_PAGE_SCSI_DEVICE_1 *);
+
+static struct scsi_transport_template *mptspi_transport_template = NULL;
+
+static u8	mptspiDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
+static u8	mptspiTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
+static u8	mptspiInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
+
+/**
+ * 	mptspi_setTargetNegoParms  - Update the target negotiation parameters
+ *	@hd: Pointer to a SCSI Host Structure
+ *	@target: per target private data
+ *	@sdev: SCSI device
+ *
+ * 	Update the target negotiation parameters based on the the Inquiry
+ *	data, adapter capabilities, and NVRAM settings.
+ **/
+static void
+mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
+			    struct scsi_device *sdev)
+{
+	MPT_ADAPTER *ioc = hd->ioc;
+	SpiCfgData *pspi_data = &ioc->spi_data;
+	int  id = (int) target->id;
+	int  nvram;
+	u8 width = MPT_NARROW;
+	u8 factor = MPT_ASYNC;
+	u8 offset = 0;
+	u8 nfactor;
+	u8 noQas = 1;
+
+	target->negoFlags = pspi_data->noQas;
+
+	if (sdev->scsi_level < SCSI_2) {
+		width = 0;
+		factor = MPT_ULTRA2;
+		offset = pspi_data->maxSyncOffset;
+		target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
+	} else {
+		if (scsi_device_wide(sdev))
+			width = 1;
+
+		if (scsi_device_sync(sdev)) {
+			factor = pspi_data->minSyncFactor;
+			if (!scsi_device_dt(sdev))
+					factor = MPT_ULTRA2;
+			else {
+				if (!scsi_device_ius(sdev) &&
+				    !scsi_device_qas(sdev))
+					factor = MPT_ULTRA160;
+				else {
+					factor = MPT_ULTRA320;
+					if (scsi_device_qas(sdev)) {
+						ddvprintk(ioc,
+						printk(MYIOC_s_DEBUG_FMT "Enabling QAS due to "
+						"byte56=%02x on id=%d!\n", ioc->name,
+						scsi_device_qas(sdev), id));
+						noQas = 0;
+					}
+					if (sdev->type == TYPE_TAPE &&
+					    scsi_device_ius(sdev))
+						target->negoFlags |= MPT_TAPE_NEGO_IDP;
+				}
+			}
+			offset = pspi_data->maxSyncOffset;
+
+			/* If RAID, never disable QAS
+			 * else if non RAID, do not disable
+			 *   QAS if bit 1 is set
+			 * bit 1 QAS support, non-raid only
+			 * bit 0 IU support
+			 */
+			if (target->raidVolume == 1)
+				noQas = 0;
+		} else {
+			factor = MPT_ASYNC;
+			offset = 0;
+		}
+	}
+
+	if (!sdev->tagged_supported)
+		target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
+
+	/* Update tflags based on NVRAM settings. (SCSI only)
+	 */
+	if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {
+		nvram = pspi_data->nvram[id];
+		nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8;
+
+		if (width)
+			width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
+
+		if (offset > 0) {
+			/* Ensure factor is set to the
+			 * maximum of: adapter, nvram, inquiry
+			 */
+			if (nfactor) {
+				if (nfactor < pspi_data->minSyncFactor )
+					nfactor = pspi_data->minSyncFactor;
+
+				factor = max(factor, nfactor);
+				if (factor == MPT_ASYNC)
+					offset = 0;
+			} else {
+				offset = 0;
+				factor = MPT_ASYNC;
+		}
+		} else {
+			factor = MPT_ASYNC;
+		}
+	}
+
+	/* Make sure data is consistent
+	 */
+	if ((!width) && (factor < MPT_ULTRA2))
+		factor = MPT_ULTRA2;
+
+	/* Save the data to the target structure.
+	 */
+	target->minSyncFactor = factor;
+	target->maxOffset = offset;
+	target->maxWidth = width;
+
+	spi_min_period(scsi_target(sdev)) = factor;
+	spi_max_offset(scsi_target(sdev)) = offset;
+	spi_max_width(scsi_target(sdev)) = width;
+
+	target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO;
+
+	/* Disable unused features.
+	 */
+	if (!width)
+		target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE;
+
+	if (!offset)
+		target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC;
+
+	if ( factor > MPT_ULTRA320 )
+		noQas = 0;
+
+	if (noQas && (pspi_data->noQas == 0)) {
+		pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS;
+		target->negoFlags |= MPT_TARGET_NO_NEGO_QAS;
+
+		/* Disable QAS in a mixed configuration case
+		 */
+
+		ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+			"Disabling QAS due to noQas=%02x on id=%d!\n", ioc->name, noQas, id));
+	}
+}
+
+/**
+ * 	mptspi_writeIOCPage4  - write IOC Page 4
+ *	@hd: Pointer to a SCSI Host Structure
+ *	@channel: channel number
+ *	@id: write IOC Page4 for this ID & Bus
+ *
+ *	Return: -EAGAIN if unable to obtain a Message Frame
+ *		or 0 if success.
+ *
+ *	Remark: We do not wait for a return, write pages sequentially.
+ **/
+static int
+mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id)
+{
+	MPT_ADAPTER		*ioc = hd->ioc;
+	Config_t		*pReq;
+	IOCPage4_t		*IOCPage4Ptr;
+	MPT_FRAME_HDR		*mf;
+	dma_addr_t		 dataDma;
+	u32			 flagsLength;
+	int			 ii;
+
+	/* Get a MF for this command.
+	 */
+	if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
+		dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
+				"writeIOCPage4 : no msg frames!\n",ioc->name));
+		return -EAGAIN;
+	}
+
+	/* Set the request and the data pointers.
+	 * Place data at end of MF.
+	 */
+	pReq = (Config_t *)mf;
+
+	/* Complete the request frame (same for all requests).
+	 */
+	pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+	pReq->Reserved = 0;
+	pReq->ChainOffset = 0;
+	pReq->Function = MPI_FUNCTION_CONFIG;
+	pReq->ExtPageLength = 0;
+	pReq->ExtPageType = 0;
+	pReq->MsgFlags = 0;
+	for (ii=0; ii < 8; ii++) {
+		pReq->Reserved2[ii] = 0;
+	}
+
+	IOCPage4Ptr = ioc->spi_data.pIocPg4;
+	dataDma = ioc->spi_data.IocPg4_dma;
+	ii = IOCPage4Ptr->ActiveSEP++;
+	IOCPage4Ptr->SEP[ii].SEPTargetID = id;
+	IOCPage4Ptr->SEP[ii].SEPBus = channel;
+	pReq->Header = IOCPage4Ptr->Header;
+	pReq->PageAddress = cpu_to_le32(id | (channel << 8 ));
+
+	/* Add a SGE to the config request.
+	 */
+	flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE |
+		(IOCPage4Ptr->Header.PageLength + ii) * 4;
+
+	ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma);
+
+	ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		"writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n",
+		ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel));
+
+	mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
+
+	return 0;
+}
+
+/**
+ *	mptspi_initTarget - Target, LUN alloc/free functionality.
+ *	@hd: Pointer to MPT_SCSI_HOST structure
+ *	@vtarget: per target private data
+ *	@sdev: SCSI device
+ *
+ *	NOTE: It's only SAFE to call this routine if data points to
+ *	sane & valid STANDARD INQUIRY data!
+ *
+ *	Allocate and initialize memory for this target.
+ *	Save inquiry data.
+ *
+ **/
+static void
+mptspi_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
+		    struct scsi_device *sdev)
+{
+
+	/* Is LUN supported? If so, upper 2 bits will be 0
+	* in first byte of inquiry data.
+	*/
+	if (sdev->inq_periph_qual != 0)
+		return;
+
+	if (vtarget == NULL)
+		return;
+
+	vtarget->type = sdev->type;
+
+	if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) {
+		/* Treat all Processors as SAF-TE if
+		 * command line option is set */
+		vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
+		mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
+	}else if ((sdev->type == TYPE_PROCESSOR) &&
+		!(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) {
+		if (sdev->inquiry_len > 49 ) {
+			if (sdev->inquiry[44] == 'S' &&
+			    sdev->inquiry[45] == 'A' &&
+			    sdev->inquiry[46] == 'F' &&
+			    sdev->inquiry[47] == '-' &&
+			    sdev->inquiry[48] == 'T' &&
+			    sdev->inquiry[49] == 'E' ) {
+				vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
+				mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
+			}
+		}
+	}
+	mptspi_setTargetNegoParms(hd, vtarget, sdev);
+}
+
+/**
+ *	mptspi_is_raid - Determines whether target is belonging to volume
+ *	@hd: Pointer to a SCSI HOST structure
+ *	@id: target device id
+ *
+ *	Return:
+ *		non-zero = true
+ *		zero = false
+ *
+ */
+static int
+mptspi_is_raid(struct _MPT_SCSI_HOST *hd, u32 id)
+{
+	int i, rc = 0;
+	MPT_ADAPTER *ioc = hd->ioc;
+
+	if (!ioc->raid_data.pIocPg2)
+		goto out;
+
+	if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
+		goto out;
+	for (i=0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
+		if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) {
+			rc = 1;
+			goto out;
+		}
+	}
+
+ out:
+	return rc;
+}
+
+static int mptspi_target_alloc(struct scsi_target *starget)
+{
+	struct Scsi_Host *shost = dev_to_shost(&starget->dev);
+	struct _MPT_SCSI_HOST *hd = shost_priv(shost);
+	VirtTarget		*vtarget;
+	MPT_ADAPTER *ioc;
+
+	if (hd == NULL)
+		return -ENODEV;
+
+	ioc = hd->ioc;
+	vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
+	if (!vtarget)
+		return -ENOMEM;
+
+	vtarget->ioc_id = ioc->id;
+	vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
+	vtarget->id = (u8)starget->id;
+	vtarget->channel = (u8)starget->channel;
+	vtarget->starget = starget;
+	starget->hostdata = vtarget;
+
+	if (starget->channel == 1) {
+		if (mptscsih_is_phys_disk(ioc, 0, starget->id) == 0)
+			return 0;
+		vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
+		/* The real channel for this device is zero */
+		vtarget->channel = 0;
+		/* The actual physdisknum (for RAID passthrough) */
+		vtarget->id = mptscsih_raid_id_to_num(ioc, 0,
+		    starget->id);
+	}
+
+	if (starget->channel == 0 &&
+	    mptspi_is_raid(hd, starget->id)) {
+		vtarget->raidVolume = 1;
+		ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "RAID Volume @ channel=%d id=%d\n", ioc->name, starget->channel,
+		    starget->id));
+	}
+
+	if (ioc->spi_data.nvram &&
+	    ioc->spi_data.nvram[starget->id] != MPT_HOST_NVRAM_INVALID) {
+		u32 nvram = ioc->spi_data.nvram[starget->id];
+		spi_min_period(starget) = (nvram & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT;
+		spi_max_width(starget) = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
+	} else {
+		spi_min_period(starget) = ioc->spi_data.minSyncFactor;
+		spi_max_width(starget) = ioc->spi_data.maxBusWidth;
+	}
+	spi_max_offset(starget) = ioc->spi_data.maxSyncOffset;
+
+	spi_offset(starget) = 0;
+	spi_period(starget) = 0xFF;
+	mptspi_write_width(starget, 0);
+
+	return 0;
+}
+
+static void
+mptspi_target_destroy(struct scsi_target *starget)
+{
+	kfree(starget->hostdata);
+	starget->hostdata = NULL;
+}
+
+/**
+ *	mptspi_print_write_nego - negotiation parameters debug info that is being sent
+ *	@hd: Pointer to a SCSI HOST structure
+ *	@starget: SCSI target
+ *	@ii: negotiation parameters
+ *
+ */
+static void
+mptspi_print_write_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii)
+{
+	ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Requested = 0x%08x"
+	    " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n",
+	    hd->ioc->name, starget->id, ii,
+	    ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "",
+	    ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF),
+	    ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": ""));
+}
+
+/**
+ *	mptspi_print_read_nego - negotiation parameters debug info that is being read
+ *	@hd: Pointer to a SCSI HOST structure
+ *	@starget: SCSI target
+ *	@ii: negotiation parameters
+ *
+ */
+static void
+mptspi_print_read_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii)
+{
+	ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Read = 0x%08x"
+	    " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n",
+	    hd->ioc->name, starget->id, ii,
+	    ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "",
+	    ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF),
+	    ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "",
+	    ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": ""));
+}
+
+static int mptspi_read_spi_device_pg0(struct scsi_target *starget,
+			     struct _CONFIG_PAGE_SCSI_DEVICE_0 *pass_pg0)
+{
+	struct Scsi_Host *shost = dev_to_shost(&starget->dev);
+	struct _MPT_SCSI_HOST *hd = shost_priv(shost);
+	struct _MPT_ADAPTER *ioc = hd->ioc;
+	struct _CONFIG_PAGE_SCSI_DEVICE_0 *spi_dev_pg0;
+	dma_addr_t spi_dev_pg0_dma;
+	int size;
+	struct _x_config_parms cfg;
+	struct _CONFIG_PAGE_HEADER hdr;
+	int err = -EBUSY;
+
+	/* No SPI parameters for RAID devices */
+	if (starget->channel == 0 &&
+	    mptspi_is_raid(hd, starget->id))
+		return -1;
+
+	size = ioc->spi_data.sdp0length * 4;
+	/*
+	if (ioc->spi_data.sdp0length & 1)
+		size += size + 4;
+	size += 2048;
+	*/
+
+	spi_dev_pg0 = dma_alloc_coherent(&ioc->pcidev->dev, size, &spi_dev_pg0_dma, GFP_KERNEL);
+	if (spi_dev_pg0 == NULL) {
+		starget_printk(KERN_ERR, starget, MYIOC_s_FMT
+		    "dma_alloc_coherent for parameters failed\n", ioc->name);
+		return -EINVAL;
+	}
+
+	memset(&hdr, 0, sizeof(hdr));
+
+	hdr.PageVersion = ioc->spi_data.sdp0version;
+	hdr.PageLength = ioc->spi_data.sdp0length;
+	hdr.PageNumber = 0;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
+
+	memset(&cfg, 0, sizeof(cfg));
+
+	cfg.cfghdr.hdr = &hdr;
+	cfg.physAddr = spi_dev_pg0_dma;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+	cfg.dir = 0;
+	cfg.pageAddr = starget->id;
+	cfg.timeout = 60;
+
+	if (mpt_config(ioc, &cfg)) {
+		starget_printk(KERN_ERR, starget, MYIOC_s_FMT "mpt_config failed\n", ioc->name);
+		goto out_free;
+	}
+	err = 0;
+	memcpy(pass_pg0, spi_dev_pg0, size);
+
+	mptspi_print_read_nego(hd, starget, le32_to_cpu(spi_dev_pg0->NegotiatedParameters));
+
+ out_free:
+	dma_free_coherent(&ioc->pcidev->dev, size, spi_dev_pg0, spi_dev_pg0_dma);
+	return err;
+}
+
+static u32 mptspi_getRP(struct scsi_target *starget)
+{
+	u32 nego = 0;
+
+	nego |= spi_iu(starget) ? MPI_SCSIDEVPAGE1_RP_IU : 0;
+	nego |= spi_dt(starget) ? MPI_SCSIDEVPAGE1_RP_DT : 0;
+	nego |= spi_qas(starget) ? MPI_SCSIDEVPAGE1_RP_QAS : 0;
+	nego |= spi_hold_mcs(starget) ? MPI_SCSIDEVPAGE1_RP_HOLD_MCS : 0;
+	nego |= spi_wr_flow(starget) ? MPI_SCSIDEVPAGE1_RP_WR_FLOW : 0;
+	nego |= spi_rd_strm(starget) ? MPI_SCSIDEVPAGE1_RP_RD_STRM : 0;
+	nego |= spi_rti(starget) ? MPI_SCSIDEVPAGE1_RP_RTI : 0;
+	nego |= spi_pcomp_en(starget) ? MPI_SCSIDEVPAGE1_RP_PCOMP_EN : 0;
+
+	nego |= (spi_period(starget) <<  MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD) & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK;
+	nego |= (spi_offset(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET) & MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK;
+	nego |= spi_width(starget) ?  MPI_SCSIDEVPAGE1_RP_WIDE : 0;
+
+	return nego;
+}
+
+static void mptspi_read_parameters(struct scsi_target *starget)
+{
+	int nego;
+	struct _CONFIG_PAGE_SCSI_DEVICE_0 spi_dev_pg0;
+
+	mptspi_read_spi_device_pg0(starget, &spi_dev_pg0);
+
+	nego = le32_to_cpu(spi_dev_pg0.NegotiatedParameters);
+
+	spi_iu(starget) = (nego & MPI_SCSIDEVPAGE0_NP_IU) ? 1 : 0;
+	spi_dt(starget) = (nego & MPI_SCSIDEVPAGE0_NP_DT) ? 1 : 0;
+	spi_qas(starget) = (nego & MPI_SCSIDEVPAGE0_NP_QAS) ? 1 : 0;
+	spi_wr_flow(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WR_FLOW) ? 1 : 0;
+	spi_rd_strm(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RD_STRM) ? 1 : 0;
+	spi_rti(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RTI) ? 1 : 0;
+	spi_pcomp_en(starget) = (nego & MPI_SCSIDEVPAGE0_NP_PCOMP_EN) ? 1 : 0;
+	spi_hold_mcs(starget) = (nego & MPI_SCSIDEVPAGE0_NP_HOLD_MCS) ? 1 : 0;
+	spi_period(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD;
+	spi_offset(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET;
+	spi_width(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WIDE) ? 1 : 0;
+}
+
+static int
+mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, u8 channel, u8 id)
+{
+	MPT_ADAPTER	*ioc = hd->ioc;
+	MpiRaidActionRequest_t	*pReq;
+	MPT_FRAME_HDR		*mf;
+	int			ret;
+	unsigned long 	 	timeleft;
+
+	mutex_lock(&ioc->internal_cmds.mutex);
+
+	/* Get and Populate a free Frame
+	 */
+	if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
+		dfailprintk(hd->ioc, printk(MYIOC_s_WARN_FMT
+			"%s: no msg frames!\n", ioc->name, __func__));
+		ret = -EAGAIN;
+		goto out;
+	}
+	pReq = (MpiRaidActionRequest_t *)mf;
+	if (quiesce)
+		pReq->Action = MPI_RAID_ACTION_QUIESCE_PHYS_IO;
+	else
+		pReq->Action = MPI_RAID_ACTION_ENABLE_PHYS_IO;
+	pReq->Reserved1 = 0;
+	pReq->ChainOffset = 0;
+	pReq->Function = MPI_FUNCTION_RAID_ACTION;
+	pReq->VolumeID = id;
+	pReq->VolumeBus = channel;
+	pReq->PhysDiskNum = 0;
+	pReq->MsgFlags = 0;
+	pReq->Reserved2 = 0;
+	pReq->ActionDataWord = 0; /* Reserved for this action */
+
+	ioc->add_sge((char *)&pReq->ActionDataSGE,
+		MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1);
+
+	ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RAID Volume action=%x channel=%d id=%d\n",
+			ioc->name, pReq->Action, channel, id));
+
+	INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
+	mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
+	timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 10*HZ);
+	if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
+		ret = -ETIME;
+		dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: TIMED OUT!\n",
+		    ioc->name, __func__));
+		if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
+			goto out;
+		if (!timeleft) {
+			printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
+			    ioc->name, __func__);
+			mpt_HardResetHandler(ioc, CAN_SLEEP);
+			mpt_free_msg_frame(ioc, mf);
+		}
+		goto out;
+	}
+
+	ret = ioc->internal_cmds.completion_code;
+
+ out:
+	CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
+	mutex_unlock(&ioc->internal_cmds.mutex);
+	return ret;
+}
+
+static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd,
+			     struct scsi_device *sdev)
+{
+	VirtTarget *vtarget = scsi_target(sdev)->hostdata;
+	MPT_ADAPTER *ioc = hd->ioc;
+
+	/* no DV on RAID devices */
+	if (sdev->channel == 0 &&
+	    mptspi_is_raid(hd, sdev->id))
+		return;
+
+	/* If this is a piece of a RAID, then quiesce first */
+	if (sdev->channel == 1 &&
+	    mptscsih_quiesce_raid(hd, 1, vtarget->channel, vtarget->id) < 0) {
+		starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT
+		    "Integrated RAID quiesce failed\n", ioc->name);
+		return;
+	}
+
+	hd->spi_pending |= (1 << sdev->id);
+	spi_dv_device(sdev);
+	hd->spi_pending &= ~(1 << sdev->id);
+
+	if (sdev->channel == 1 &&
+	    mptscsih_quiesce_raid(hd, 0, vtarget->channel, vtarget->id) < 0)
+		starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT
+		    "Integrated RAID resume failed\n", ioc->name);
+
+	mptspi_read_parameters(sdev->sdev_target);
+	spi_display_xfer_agreement(sdev->sdev_target);
+	mptspi_read_parameters(sdev->sdev_target);
+}
+
+static int mptspi_slave_alloc(struct scsi_device *sdev)
+{
+	MPT_SCSI_HOST *hd = shost_priv(sdev->host);
+	VirtTarget		*vtarget;
+	VirtDevice		*vdevice;
+	struct scsi_target 	*starget;
+	MPT_ADAPTER *ioc = hd->ioc;
+
+	if (sdev->channel == 1 &&
+		mptscsih_is_phys_disk(ioc, 0, sdev->id) == 0)
+			return -ENXIO;
+
+	vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
+	if (!vdevice) {
+		printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
+				ioc->name, sizeof(VirtDevice));
+		return -ENOMEM;
+	}
+
+	vdevice->lun = sdev->lun;
+	sdev->hostdata = vdevice;
+
+	starget = scsi_target(sdev);
+	vtarget = starget->hostdata;
+	vdevice->vtarget = vtarget;
+	vtarget->num_luns++;
+
+	if (sdev->channel == 1)
+		sdev->no_uld_attach = 1;
+
+	return 0;
+}
+
+static int mptspi_slave_configure(struct scsi_device *sdev)
+{
+	struct _MPT_SCSI_HOST *hd = shost_priv(sdev->host);
+	VirtTarget *vtarget = scsi_target(sdev)->hostdata;
+	int ret;
+
+	mptspi_initTarget(hd, vtarget, sdev);
+
+	ret = mptscsih_slave_configure(sdev);
+
+	if (ret)
+		return ret;
+
+	ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d min_period=0x%02x"
+		" max_offset=0x%02x max_width=%d\n", hd->ioc->name,
+		sdev->id, spi_min_period(scsi_target(sdev)),
+		spi_max_offset(scsi_target(sdev)),
+		spi_max_width(scsi_target(sdev))));
+
+	if ((sdev->channel == 1 ||
+	     !(mptspi_is_raid(hd, sdev->id))) &&
+	    !spi_initial_dv(sdev->sdev_target))
+		mptspi_dv_device(hd, sdev);
+
+	return 0;
+}
+
+static int
+mptspi_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt)
+{
+	struct _MPT_SCSI_HOST *hd = shost_priv(shost);
+	VirtDevice	*vdevice = SCpnt->device->hostdata;
+	MPT_ADAPTER *ioc = hd->ioc;
+
+	if (!vdevice || !vdevice->vtarget) {
+		SCpnt->result = DID_NO_CONNECT << 16;
+		SCpnt->scsi_done(SCpnt);
+		return 0;
+	}
+
+	if (SCpnt->device->channel == 1 &&
+		mptscsih_is_phys_disk(ioc, 0, SCpnt->device->id) == 0) {
+		SCpnt->result = DID_NO_CONNECT << 16;
+		SCpnt->scsi_done(SCpnt);
+		return 0;
+	}
+
+	if (spi_dv_pending(scsi_target(SCpnt->device)))
+		ddvprintk(ioc, scsi_print_command(SCpnt));
+
+	return mptscsih_qcmd(SCpnt);
+}
+
+static void mptspi_slave_destroy(struct scsi_device *sdev)
+{
+	struct scsi_target *starget = scsi_target(sdev);
+	VirtTarget *vtarget = starget->hostdata;
+	VirtDevice *vdevice = sdev->hostdata;
+
+	/* Will this be the last lun on a non-raid device? */
+	if (vtarget->num_luns == 1 && vdevice->configured_lun) {
+		struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
+
+		/* Async Narrow */
+		pg1.RequestedParameters = 0;
+		pg1.Reserved = 0;
+		pg1.Configuration = 0;
+
+		mptspi_write_spi_device_pg1(starget, &pg1);
+	}
+
+	mptscsih_slave_destroy(sdev);
+}
+
+static struct scsi_host_template mptspi_driver_template = {
+	.module				= THIS_MODULE,
+	.proc_name			= "mptspi",
+	.show_info			= mptscsih_show_info,
+	.name				= "MPT SPI Host",
+	.info				= mptscsih_info,
+	.queuecommand			= mptspi_qcmd,
+	.target_alloc			= mptspi_target_alloc,
+	.slave_alloc			= mptspi_slave_alloc,
+	.slave_configure		= mptspi_slave_configure,
+	.target_destroy			= mptspi_target_destroy,
+	.slave_destroy			= mptspi_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,
+	.bios_param			= mptscsih_bios_param,
+	.can_queue			= MPT_SCSI_CAN_QUEUE,
+	.this_id			= -1,
+	.sg_tablesize			= MPT_SCSI_SG_DEPTH,
+	.max_sectors			= 8192,
+	.cmd_per_lun			= 7,
+	.shost_attrs			= mptscsih_host_attrs,
+};
+
+static int mptspi_write_spi_device_pg1(struct scsi_target *starget,
+			       struct _CONFIG_PAGE_SCSI_DEVICE_1 *pass_pg1)
+{
+	struct Scsi_Host *shost = dev_to_shost(&starget->dev);
+	struct _MPT_SCSI_HOST *hd = shost_priv(shost);
+	struct _MPT_ADAPTER *ioc = hd->ioc;
+	struct _CONFIG_PAGE_SCSI_DEVICE_1 *pg1;
+	dma_addr_t pg1_dma;
+	int size;
+	struct _x_config_parms cfg;
+	struct _CONFIG_PAGE_HEADER hdr;
+	int err = -EBUSY;
+	u32 nego_parms;
+	u32 period;
+	struct scsi_device *sdev;
+	int i;
+
+	/* don't allow updating nego parameters on RAID devices */
+	if (starget->channel == 0 &&
+	    mptspi_is_raid(hd, starget->id))
+		return -1;
+
+	size = ioc->spi_data.sdp1length * 4;
+
+	pg1 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg1_dma, GFP_KERNEL);
+	if (pg1 == NULL) {
+		starget_printk(KERN_ERR, starget, MYIOC_s_FMT
+		    "dma_alloc_coherent for parameters failed\n", ioc->name);
+		return -EINVAL;
+	}
+
+	memset(&hdr, 0, sizeof(hdr));
+
+	hdr.PageVersion = ioc->spi_data.sdp1version;
+	hdr.PageLength = ioc->spi_data.sdp1length;
+	hdr.PageNumber = 1;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
+
+	memset(&cfg, 0, sizeof(cfg));
+
+	cfg.cfghdr.hdr = &hdr;
+	cfg.physAddr = pg1_dma;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+	cfg.dir = 1;
+	cfg.pageAddr = starget->id;
+
+	memcpy(pg1, pass_pg1, size);
+
+	pg1->Header.PageVersion = hdr.PageVersion;
+	pg1->Header.PageLength = hdr.PageLength;
+	pg1->Header.PageNumber = hdr.PageNumber;
+	pg1->Header.PageType = hdr.PageType;
+
+	nego_parms = le32_to_cpu(pg1->RequestedParameters);
+	period = (nego_parms & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK) >>
+		MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD;
+	if (period == 8) {
+		/* Turn on inline data padding for TAPE when running U320 */
+		for (i = 0 ; i < 16; i++) {
+			sdev = scsi_device_lookup_by_target(starget, i);
+			if (sdev && sdev->type == TYPE_TAPE) {
+				sdev_printk(KERN_DEBUG, sdev, MYIOC_s_FMT
+					    "IDP:ON\n", ioc->name);
+				nego_parms |= MPI_SCSIDEVPAGE1_RP_IDP;
+				pg1->RequestedParameters =
+				    cpu_to_le32(nego_parms);
+				break;
+			}
+		}
+	}
+
+	mptspi_print_write_nego(hd, starget, le32_to_cpu(pg1->RequestedParameters));
+
+	if (mpt_config(ioc, &cfg)) {
+		starget_printk(KERN_ERR, starget, MYIOC_s_FMT
+		    "mpt_config failed\n", ioc->name);
+		goto out_free;
+	}
+	err = 0;
+
+ out_free:
+	dma_free_coherent(&ioc->pcidev->dev, size, pg1, pg1_dma);
+	return err;
+}
+
+static void mptspi_write_offset(struct scsi_target *starget, int offset)
+{
+	struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
+	u32 nego;
+
+	if (offset < 0)
+		offset = 0;
+
+	if (offset > 255)
+		offset = 255;
+
+	if (spi_offset(starget) == -1)
+		mptspi_read_parameters(starget);
+
+	spi_offset(starget) = offset;
+
+	nego = mptspi_getRP(starget);
+
+	pg1.RequestedParameters = cpu_to_le32(nego);
+	pg1.Reserved = 0;
+	pg1.Configuration = 0;
+
+	mptspi_write_spi_device_pg1(starget, &pg1);
+}
+
+static void mptspi_write_period(struct scsi_target *starget, int period)
+{
+	struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
+	u32 nego;
+
+	if (period < 8)
+		period = 8;
+
+	if (period > 255)
+		period = 255;
+
+	if (spi_period(starget) == -1)
+		mptspi_read_parameters(starget);
+
+	if (period == 8) {
+		spi_iu(starget) = 1;
+		spi_dt(starget) = 1;
+	} else if (period == 9) {
+		spi_dt(starget) = 1;
+	}
+
+	spi_period(starget) = period;
+
+	nego = mptspi_getRP(starget);
+
+	pg1.RequestedParameters = cpu_to_le32(nego);
+	pg1.Reserved = 0;
+	pg1.Configuration = 0;
+
+	mptspi_write_spi_device_pg1(starget, &pg1);
+}
+
+static void mptspi_write_dt(struct scsi_target *starget, int dt)
+{
+	struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
+	u32 nego;
+
+	if (spi_period(starget) == -1)
+		mptspi_read_parameters(starget);
+
+	if (!dt && spi_period(starget) < 10)
+		spi_period(starget) = 10;
+
+	spi_dt(starget) = dt;
+
+	nego = mptspi_getRP(starget);
+
+
+	pg1.RequestedParameters = cpu_to_le32(nego);
+	pg1.Reserved = 0;
+	pg1.Configuration = 0;
+
+	mptspi_write_spi_device_pg1(starget, &pg1);
+}
+
+static void mptspi_write_iu(struct scsi_target *starget, int iu)
+{
+	struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
+	u32 nego;
+
+	if (spi_period(starget) == -1)
+		mptspi_read_parameters(starget);
+
+	if (!iu && spi_period(starget) < 9)
+		spi_period(starget) = 9;
+
+	spi_iu(starget) = iu;
+
+	nego = mptspi_getRP(starget);
+
+	pg1.RequestedParameters = cpu_to_le32(nego);
+	pg1.Reserved = 0;
+	pg1.Configuration = 0;
+
+	mptspi_write_spi_device_pg1(starget, &pg1);
+}
+
+#define MPTSPI_SIMPLE_TRANSPORT_PARM(parm) 				\
+static void mptspi_write_##parm(struct scsi_target *starget, int parm)\
+{									\
+	struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;				\
+	u32 nego;							\
+									\
+	spi_##parm(starget) = parm;					\
+									\
+	nego = mptspi_getRP(starget);					\
+									\
+	pg1.RequestedParameters = cpu_to_le32(nego);			\
+	pg1.Reserved = 0;						\
+	pg1.Configuration = 0;						\
+									\
+	mptspi_write_spi_device_pg1(starget, &pg1);				\
+}
+
+MPTSPI_SIMPLE_TRANSPORT_PARM(rd_strm)
+MPTSPI_SIMPLE_TRANSPORT_PARM(wr_flow)
+MPTSPI_SIMPLE_TRANSPORT_PARM(rti)
+MPTSPI_SIMPLE_TRANSPORT_PARM(hold_mcs)
+MPTSPI_SIMPLE_TRANSPORT_PARM(pcomp_en)
+
+static void mptspi_write_qas(struct scsi_target *starget, int qas)
+{
+	struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
+	struct Scsi_Host *shost = dev_to_shost(&starget->dev);
+	struct _MPT_SCSI_HOST *hd = shost_priv(shost);
+	VirtTarget *vtarget = starget->hostdata;
+	u32 nego;
+
+	if ((vtarget->negoFlags & MPT_TARGET_NO_NEGO_QAS) ||
+	    hd->ioc->spi_data.noQas)
+		spi_qas(starget) = 0;
+	else
+		spi_qas(starget) = qas;
+
+	nego = mptspi_getRP(starget);
+
+	pg1.RequestedParameters = cpu_to_le32(nego);
+	pg1.Reserved = 0;
+	pg1.Configuration = 0;
+
+	mptspi_write_spi_device_pg1(starget, &pg1);
+}
+
+static void mptspi_write_width(struct scsi_target *starget, int width)
+{
+	struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
+	u32 nego;
+
+	if (!width) {
+		spi_dt(starget) = 0;
+		if (spi_period(starget) < 10)
+			spi_period(starget) = 10;
+	}
+
+	spi_width(starget) = width;
+
+	nego = mptspi_getRP(starget);
+
+	pg1.RequestedParameters = cpu_to_le32(nego);
+	pg1.Reserved = 0;
+	pg1.Configuration = 0;
+
+	mptspi_write_spi_device_pg1(starget, &pg1);
+}
+
+struct work_queue_wrapper {
+	struct work_struct	work;
+	struct _MPT_SCSI_HOST	*hd;
+	int			disk;
+};
+
+static void mpt_work_wrapper(struct work_struct *work)
+{
+	struct work_queue_wrapper *wqw =
+		container_of(work, struct work_queue_wrapper, work);
+	struct _MPT_SCSI_HOST *hd = wqw->hd;
+	MPT_ADAPTER *ioc = hd->ioc;
+	struct Scsi_Host *shost = ioc->sh;
+	struct scsi_device *sdev;
+	int disk = wqw->disk;
+	struct _CONFIG_PAGE_IOC_3 *pg3;
+
+	kfree(wqw);
+
+	mpt_findImVolumes(ioc);
+	pg3 = ioc->raid_data.pIocPg3;
+	if (!pg3)
+		return;
+
+	shost_for_each_device(sdev,shost) {
+		struct scsi_target *starget = scsi_target(sdev);
+		VirtTarget *vtarget = starget->hostdata;
+
+		/* only want to search RAID components */
+		if (sdev->channel != 1)
+			continue;
+
+		/* The id is the raid PhysDiskNum, even if
+		 * starget->id is the actual target address */
+		if(vtarget->id != disk)
+			continue;
+
+		starget_printk(KERN_INFO, vtarget->starget, MYIOC_s_FMT
+		    "Integrated RAID requests DV of new device\n", ioc->name);
+		mptspi_dv_device(hd, sdev);
+	}
+	shost_printk(KERN_INFO, shost, MYIOC_s_FMT
+	    "Integrated RAID detects new device %d\n", ioc->name, disk);
+	scsi_scan_target(&ioc->sh->shost_gendev, 1, disk, 0, SCSI_SCAN_RESCAN);
+}
+
+
+static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk)
+{
+	struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC);
+	MPT_ADAPTER *ioc = hd->ioc;
+
+	if (!wqw) {
+		shost_printk(KERN_ERR, ioc->sh, MYIOC_s_FMT
+		    "Failed to act on RAID event for physical disk %d\n",
+		    ioc->name, disk);
+		return;
+	}
+	INIT_WORK(&wqw->work, mpt_work_wrapper);
+	wqw->hd = hd;
+	wqw->disk = disk;
+
+	schedule_work(&wqw->work);
+}
+
+static int
+mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
+{
+	u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
+	struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
+
+	if (ioc->bus_type != SPI)
+		return 0;
+
+	if (hd && event ==  MPI_EVENT_INTEGRATED_RAID) {
+		int reason
+			= (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16;
+
+		if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
+			int disk = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24;
+			mpt_dv_raid(hd, disk);
+		}
+	}
+	return mptscsih_event_process(ioc, pEvReply);
+}
+
+static int
+mptspi_deny_binding(struct scsi_target *starget)
+{
+	struct _MPT_SCSI_HOST *hd =
+		(struct _MPT_SCSI_HOST *)dev_to_shost(starget->dev.parent)->hostdata;
+	return ((mptspi_is_raid(hd, starget->id)) &&
+		starget->channel == 0) ? 1 : 0;
+}
+
+static struct spi_function_template mptspi_transport_functions = {
+	.get_offset	= mptspi_read_parameters,
+	.set_offset	= mptspi_write_offset,
+	.show_offset	= 1,
+	.get_period	= mptspi_read_parameters,
+	.set_period	= mptspi_write_period,
+	.show_period	= 1,
+	.get_width	= mptspi_read_parameters,
+	.set_width	= mptspi_write_width,
+	.show_width	= 1,
+	.get_iu		= mptspi_read_parameters,
+	.set_iu		= mptspi_write_iu,
+	.show_iu	= 1,
+	.get_dt		= mptspi_read_parameters,
+	.set_dt		= mptspi_write_dt,
+	.show_dt	= 1,
+	.get_qas	= mptspi_read_parameters,
+	.set_qas	= mptspi_write_qas,
+	.show_qas	= 1,
+	.get_wr_flow	= mptspi_read_parameters,
+	.set_wr_flow	= mptspi_write_wr_flow,
+	.show_wr_flow	= 1,
+	.get_rd_strm	= mptspi_read_parameters,
+	.set_rd_strm	= mptspi_write_rd_strm,
+	.show_rd_strm	= 1,
+	.get_rti	= mptspi_read_parameters,
+	.set_rti	= mptspi_write_rti,
+	.show_rti	= 1,
+	.get_pcomp_en	= mptspi_read_parameters,
+	.set_pcomp_en	= mptspi_write_pcomp_en,
+	.show_pcomp_en	= 1,
+	.get_hold_mcs	= mptspi_read_parameters,
+	.set_hold_mcs	= mptspi_write_hold_mcs,
+	.show_hold_mcs	= 1,
+	.deny_binding	= mptspi_deny_binding,
+};
+
+/****************************************************************************
+ * Supported hardware
+ */
+
+static struct pci_device_id mptspi_pci_table[] = {
+	{ PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030,
+		PCI_ANY_ID, PCI_ANY_ID },
+	{ PCI_VENDOR_ID_ATTO, MPI_MANUFACTPAGE_DEVID_53C1030,
+		PCI_ANY_ID, PCI_ANY_ID },
+	{ PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035,
+		PCI_ANY_ID, PCI_ANY_ID },
+	{0}	/* Terminating entry */
+};
+MODULE_DEVICE_TABLE(pci, mptspi_pci_table);
+
+
+/*
+ * renegotiate for a given target
+ */
+static void
+mptspi_dv_renegotiate_work(struct work_struct *work)
+{
+	struct work_queue_wrapper *wqw =
+		container_of(work, struct work_queue_wrapper, work);
+	struct _MPT_SCSI_HOST *hd = wqw->hd;
+	struct scsi_device *sdev;
+	struct scsi_target *starget;
+	struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
+	u32 nego;
+	MPT_ADAPTER *ioc = hd->ioc;
+
+	kfree(wqw);
+
+	if (hd->spi_pending) {
+		shost_for_each_device(sdev, ioc->sh) {
+			if  (hd->spi_pending & (1 << sdev->id))
+				continue;
+			starget = scsi_target(sdev);
+			nego = mptspi_getRP(starget);
+			pg1.RequestedParameters = cpu_to_le32(nego);
+			pg1.Reserved = 0;
+			pg1.Configuration = 0;
+			mptspi_write_spi_device_pg1(starget, &pg1);
+		}
+	} else {
+		shost_for_each_device(sdev, ioc->sh)
+			mptspi_dv_device(hd, sdev);
+	}
+}
+
+static void
+mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd)
+{
+	struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC);
+
+	if (!wqw)
+		return;
+
+	INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work);
+	wqw->hd = hd;
+
+	schedule_work(&wqw->work);
+}
+
+/*
+ * spi module reset handler
+ */
+static int
+mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
+{
+	int rc;
+
+	rc = mptscsih_ioc_reset(ioc, reset_phase);
+	if ((ioc->bus_type != SPI) || (!rc))
+		return rc;
+
+	/* only try to do a renegotiation if we're properly set up
+	 * if we get an ioc fault on bringup, ioc->sh will be NULL */
+	if (reset_phase == MPT_IOC_POST_RESET &&
+	    ioc->sh) {
+		struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
+
+		mptspi_dv_renegotiate(hd);
+	}
+
+	return rc;
+}
+
+#ifdef CONFIG_PM
+/*
+ * spi module resume handler
+ */
+static int
+mptspi_resume(struct pci_dev *pdev)
+{
+	MPT_ADAPTER 	*ioc = pci_get_drvdata(pdev);
+	struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
+	int rc;
+
+	rc = mptscsih_resume(pdev);
+	mptspi_dv_renegotiate(hd);
+
+	return rc;
+}
+#endif
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ *	mptspi_probe - Installs scsi devices per bus.
+ *	@pdev: Pointer to pci_dev structure
+ *
+ *	Returns 0 for success, non-zero for failure.
+ *
+ */
+static int
+mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	struct Scsi_Host	*sh;
+	MPT_SCSI_HOST		*hd;
+	MPT_ADAPTER 		*ioc;
+	unsigned long		 flags;
+	int			 ii;
+	int			 numSGE = 0;
+	int			 scale;
+	int			 ioc_cap;
+	int			error=0;
+	int			r;
+
+	if ((r = mpt_attach(pdev,id)) != 0)
+		return r;
+
+	ioc = pci_get_drvdata(pdev);
+	ioc->DoneCtx = mptspiDoneCtx;
+	ioc->TaskCtx = mptspiTaskCtx;
+	ioc->InternalCtx = mptspiInternalCtx;
+
+	/*  Added sanity check on readiness of the MPT adapter.
+	 */
+	if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
+		printk(MYIOC_s_WARN_FMT
+		  "Skipping because it's not operational!\n",
+		  ioc->name);
+		error = -ENODEV;
+		goto out_mptspi_probe;
+	}
+
+	if (!ioc->active) {
+		printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
+		  ioc->name);
+		error = -ENODEV;
+		goto out_mptspi_probe;
+	}
+
+	/*  Sanity check - ensure at least 1 port is INITIATOR capable
+	 */
+	ioc_cap = 0;
+	for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
+		if (ioc->pfacts[ii].ProtocolFlags &
+		    MPI_PORTFACTS_PROTOCOL_INITIATOR)
+			ioc_cap ++;
+	}
+
+	if (!ioc_cap) {
+		printk(MYIOC_s_WARN_FMT
+			"Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
+			ioc->name, ioc);
+		return 0;
+	}
+
+	sh = scsi_host_alloc(&mptspi_driver_template, sizeof(MPT_SCSI_HOST));
+
+	if (!sh) {
+		printk(MYIOC_s_WARN_FMT
+			"Unable to register controller with SCSI subsystem\n",
+			ioc->name);
+		error = -1;
+		goto out_mptspi_probe;
+        }
+
+	/* VMWare emulation doesn't properly implement WRITE_SAME
+	 */
+	if (pdev->subsystem_vendor == 0x15AD)
+		sh->no_write_same = 1;
+
+	spin_lock_irqsave(&ioc->FreeQlock, flags);
+
+	/* Attach the SCSI Host to the IOC structure
+	 */
+	ioc->sh = sh;
+
+	sh->io_port = 0;
+	sh->n_io_port = 0;
+	sh->irq = 0;
+
+	/* set 16 byte cdb's */
+	sh->max_cmd_len = 16;
+
+	/* Yikes!  This is important!
+	 * Otherwise, by default, linux
+	 * only scans target IDs 0-7!
+	 * pfactsN->MaxDevices unreliable
+	 * (not supported in early
+	 *	versions of the FW).
+	 * max_id = 1 + actual max id,
+	 * max_lun = 1 + actual last lun,
+	 *	see hosts.h :o(
+	 */
+	sh->max_id = ioc->devices_per_bus;
+
+	sh->max_lun = MPT_LAST_LUN + 1;
+	/*
+	 * If RAID Firmware Detected, setup virtual channel
+	 */
+	if (ioc->ir_firmware)
+		sh->max_channel = 1;
+	else
+		sh->max_channel = 0;
+	sh->this_id = ioc->pfacts[0].PortSCSIID;
+
+	/* Required entry.
+	 */
+	sh->unique_id = ioc->id;
+
+	/* Verify that we won't exceed the maximum
+	 * number of chain buffers
+	 * We can optimize:  ZZ = req_sz/sizeof(SGE)
+	 * For 32bit SGE's:
+	 *  numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
+	 *               + (req_sz - 64)/sizeof(SGE)
+	 * A slightly different algorithm is required for
+	 * 64bit SGEs.
+	 */
+	scale = ioc->req_sz/ioc->SGE_size;
+	if (ioc->sg_addr_size == sizeof(u64)) {
+		numSGE = (scale - 1) *
+		  (ioc->facts.MaxChainDepth-1) + scale +
+		  (ioc->req_sz - 60) / ioc->SGE_size;
+	} else {
+		numSGE = 1 + (scale - 1) *
+		  (ioc->facts.MaxChainDepth-1) + scale +
+		  (ioc->req_sz - 64) / ioc->SGE_size;
+	}
+
+	if (numSGE < sh->sg_tablesize) {
+		/* Reset this value */
+		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		  "Resetting sg_tablesize to %d from %d\n",
+		  ioc->name, numSGE, sh->sg_tablesize));
+		sh->sg_tablesize = numSGE;
+	}
+
+	spin_unlock_irqrestore(&ioc->FreeQlock, flags);
+
+	hd = shost_priv(sh);
+	hd->ioc = ioc;
+
+	/* SCSI needs scsi_cmnd lookup table!
+	 * (with size equal to req_depth*PtrSz!)
+	 */
+	ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
+	if (!ioc->ScsiLookup) {
+		error = -ENOMEM;
+		goto out_mptspi_probe;
+	}
+	spin_lock_init(&ioc->scsi_lookup_lock);
+
+	dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
+		 ioc->name, ioc->ScsiLookup));
+
+	ioc->spi_data.Saf_Te = mpt_saf_te;
+	ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		"saf_te %x\n",
+		ioc->name,
+		mpt_saf_te));
+	ioc->spi_data.noQas = 0;
+
+	hd->last_queue_full = 0;
+	hd->spi_pending = 0;
+
+	/* Some versions of the firmware don't support page 0; without
+	 * that we can't get the parameters */
+	if (ioc->spi_data.sdp0length != 0)
+		sh->transportt = mptspi_transport_template;
+
+	error = scsi_add_host (sh, &ioc->pcidev->dev);
+	if(error) {
+		dprintk(ioc, printk(MYIOC_s_ERR_FMT
+		  "scsi_add_host failed\n", ioc->name));
+		goto out_mptspi_probe;
+	}
+
+	/*
+	 * issue internal bus reset
+	 */
+	if (ioc->spi_data.bus_reset)
+		mptscsih_IssueTaskMgmt(hd,
+		    MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
+		    0, 0, 0, 0, 5);
+
+	scsi_scan_host(sh);
+	return 0;
+
+out_mptspi_probe:
+
+	mptscsih_remove(pdev);
+	return error;
+}
+
+static void mptspi_remove(struct pci_dev *pdev)
+{
+	MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
+
+	scsi_remove_host(ioc->sh);
+	mptscsih_remove(pdev);
+}
+
+static struct pci_driver mptspi_driver = {
+	.name		= "mptspi",
+	.id_table	= mptspi_pci_table,
+	.probe		= mptspi_probe,
+	.remove		= mptspi_remove,
+	.shutdown	= mptscsih_shutdown,
+#ifdef CONFIG_PM
+	.suspend	= mptscsih_suspend,
+	.resume		= mptspi_resume,
+#endif
+};
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ *	mptspi_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
+ *
+ *	Returns 0 for success, non-zero for failure.
+ */
+static int __init
+mptspi_init(void)
+{
+	int error;
+
+	show_mptmod_ver(my_NAME, my_VERSION);
+
+	mptspi_transport_template = spi_attach_transport(&mptspi_transport_functions);
+	if (!mptspi_transport_template)
+		return -ENODEV;
+
+	mptspiDoneCtx = mpt_register(mptscsih_io_done, MPTSPI_DRIVER,
+	    "mptscsih_io_done");
+	mptspiTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSPI_DRIVER,
+	    "mptscsih_taskmgmt_complete");
+	mptspiInternalCtx = mpt_register(mptscsih_scandv_complete,
+	    MPTSPI_DRIVER, "mptscsih_scandv_complete");
+
+	mpt_event_register(mptspiDoneCtx, mptspi_event_process);
+	mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset);
+
+	error = pci_register_driver(&mptspi_driver);
+	if (error)
+		spi_release_transport(mptspi_transport_template);
+
+	return error;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ *	mptspi_exit - Unregisters MPT adapter(s)
+ */
+static void __exit
+mptspi_exit(void)
+{
+	pci_unregister_driver(&mptspi_driver);
+
+	mpt_reset_deregister(mptspiDoneCtx);
+	mpt_event_deregister(mptspiDoneCtx);
+
+	mpt_deregister(mptspiInternalCtx);
+	mpt_deregister(mptspiTaskCtx);
+	mpt_deregister(mptspiDoneCtx);
+	spi_release_transport(mptspi_transport_template);
+}
+
+module_init(mptspi_init);
+module_exit(mptspi_exit);