![Kashyap, Desai](/assets/img/avatar_default.png)
Adding support for inline data padding for TAPE drive when running U320. [jejb: whitespace fixes] Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
1616 lines
43 KiB
C
1616 lines
43 KiB
C
/*
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* linux/drivers/message/fusion/mptspi.c
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* For use with LSI PCI chip/adapter(s)
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* running LSI Fusion MPT (Message Passing Technology) firmware.
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*
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* Copyright (c) 1999-2008 LSI Corporation
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* (mailto:DL-MPTFusionLinux@lsi.com)
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*
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*/
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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NO WARRANTY
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THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
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LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
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solely responsible for determining the appropriateness of using and
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distributing the Program and assumes all risks associated with its
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exercise of rights under this Agreement, including but not limited to
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the risks and costs of program errors, damage to or loss of data,
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programs or equipment, and unavailability or interruption of operations.
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DISCLAIMER OF LIABILITY
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NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/kdev_t.h>
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#include <linux/blkdev.h>
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#include <linux/delay.h> /* for mdelay */
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#include <linux/interrupt.h> /* needed for in_interrupt() proto */
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#include <linux/reboot.h> /* notifier code */
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#include <linux/workqueue.h>
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#include <linux/raid_class.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi_tcq.h>
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#include <scsi/scsi_transport.h>
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#include <scsi/scsi_transport_spi.h>
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#include <scsi/scsi_dbg.h>
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#include "mptbase.h"
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#include "mptscsih.h"
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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#define my_NAME "Fusion MPT SPI Host driver"
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#define my_VERSION MPT_LINUX_VERSION_COMMON
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#define MYNAM "mptspi"
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MODULE_AUTHOR(MODULEAUTHOR);
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MODULE_DESCRIPTION(my_NAME);
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MODULE_LICENSE("GPL");
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MODULE_VERSION(my_VERSION);
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/* Command line args */
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static int mpt_saf_te = MPTSCSIH_SAF_TE;
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module_param(mpt_saf_te, int, 0);
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MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1 (default=MPTSCSIH_SAF_TE=0)");
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static void mptspi_write_offset(struct scsi_target *, int);
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static void mptspi_write_width(struct scsi_target *, int);
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static int mptspi_write_spi_device_pg1(struct scsi_target *,
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struct _CONFIG_PAGE_SCSI_DEVICE_1 *);
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static struct scsi_transport_template *mptspi_transport_template = NULL;
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static u8 mptspiDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
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static u8 mptspiTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
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static u8 mptspiInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
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/**
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* mptspi_setTargetNegoParms - Update the target negotiation parameters
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* @hd: Pointer to a SCSI Host Structure
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* @target: per target private data
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* @sdev: SCSI device
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*
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* Update the target negotiation parameters based on the the Inquiry
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* data, adapter capabilities, and NVRAM settings.
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**/
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static void
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mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
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struct scsi_device *sdev)
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{
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MPT_ADAPTER *ioc = hd->ioc;
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SpiCfgData *pspi_data = &ioc->spi_data;
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int id = (int) target->id;
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int nvram;
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u8 width = MPT_NARROW;
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u8 factor = MPT_ASYNC;
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u8 offset = 0;
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u8 nfactor;
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u8 noQas = 1;
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target->negoFlags = pspi_data->noQas;
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if (sdev->scsi_level < SCSI_2) {
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width = 0;
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factor = MPT_ULTRA2;
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offset = pspi_data->maxSyncOffset;
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target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
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} else {
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if (scsi_device_wide(sdev))
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width = 1;
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if (scsi_device_sync(sdev)) {
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factor = pspi_data->minSyncFactor;
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if (!scsi_device_dt(sdev))
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factor = MPT_ULTRA2;
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else {
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if (!scsi_device_ius(sdev) &&
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!scsi_device_qas(sdev))
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factor = MPT_ULTRA160;
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else {
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factor = MPT_ULTRA320;
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if (scsi_device_qas(sdev)) {
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ddvprintk(ioc,
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printk(MYIOC_s_DEBUG_FMT "Enabling QAS due to "
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"byte56=%02x on id=%d!\n", ioc->name,
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scsi_device_qas(sdev), id));
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noQas = 0;
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}
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if (sdev->type == TYPE_TAPE &&
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scsi_device_ius(sdev))
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target->negoFlags |= MPT_TAPE_NEGO_IDP;
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}
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}
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offset = pspi_data->maxSyncOffset;
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/* If RAID, never disable QAS
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* else if non RAID, do not disable
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* QAS if bit 1 is set
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* bit 1 QAS support, non-raid only
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* bit 0 IU support
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*/
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if (target->raidVolume == 1)
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noQas = 0;
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} else {
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factor = MPT_ASYNC;
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offset = 0;
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}
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}
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if (!sdev->tagged_supported)
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target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
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/* Update tflags based on NVRAM settings. (SCSI only)
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*/
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if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {
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nvram = pspi_data->nvram[id];
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nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8;
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if (width)
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width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
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if (offset > 0) {
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/* Ensure factor is set to the
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* maximum of: adapter, nvram, inquiry
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*/
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if (nfactor) {
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if (nfactor < pspi_data->minSyncFactor )
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nfactor = pspi_data->minSyncFactor;
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factor = max(factor, nfactor);
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if (factor == MPT_ASYNC)
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offset = 0;
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} else {
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offset = 0;
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factor = MPT_ASYNC;
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}
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} else {
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factor = MPT_ASYNC;
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}
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}
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/* Make sure data is consistent
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*/
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if ((!width) && (factor < MPT_ULTRA2))
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factor = MPT_ULTRA2;
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/* Save the data to the target structure.
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*/
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target->minSyncFactor = factor;
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target->maxOffset = offset;
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target->maxWidth = width;
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spi_min_period(scsi_target(sdev)) = factor;
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spi_max_offset(scsi_target(sdev)) = offset;
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spi_max_width(scsi_target(sdev)) = width;
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target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO;
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/* Disable unused features.
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*/
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if (!width)
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target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE;
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if (!offset)
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target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC;
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if ( factor > MPT_ULTRA320 )
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noQas = 0;
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if (noQas && (pspi_data->noQas == 0)) {
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pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS;
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target->negoFlags |= MPT_TARGET_NO_NEGO_QAS;
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/* Disable QAS in a mixed configuration case
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*/
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ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
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"Disabling QAS due to noQas=%02x on id=%d!\n", ioc->name, noQas, id));
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}
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}
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/**
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* mptspi_writeIOCPage4 - write IOC Page 4
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* @hd: Pointer to a SCSI Host Structure
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* @channel: channel number
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* @id: write IOC Page4 for this ID & Bus
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*
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* Return: -EAGAIN if unable to obtain a Message Frame
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* or 0 if success.
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*
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* Remark: We do not wait for a return, write pages sequentially.
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**/
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static int
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mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id)
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{
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MPT_ADAPTER *ioc = hd->ioc;
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Config_t *pReq;
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IOCPage4_t *IOCPage4Ptr;
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MPT_FRAME_HDR *mf;
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dma_addr_t dataDma;
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u16 req_idx;
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u32 frameOffset;
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u32 flagsLength;
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int ii;
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/* Get a MF for this command.
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*/
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if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
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dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
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"writeIOCPage4 : no msg frames!\n",ioc->name));
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return -EAGAIN;
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}
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/* Set the request and the data pointers.
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* Place data at end of MF.
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*/
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pReq = (Config_t *)mf;
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req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
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frameOffset = ioc->req_sz - sizeof(IOCPage4_t);
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/* Complete the request frame (same for all requests).
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*/
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pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
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pReq->Reserved = 0;
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pReq->ChainOffset = 0;
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pReq->Function = MPI_FUNCTION_CONFIG;
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pReq->ExtPageLength = 0;
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pReq->ExtPageType = 0;
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pReq->MsgFlags = 0;
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for (ii=0; ii < 8; ii++) {
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pReq->Reserved2[ii] = 0;
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}
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IOCPage4Ptr = ioc->spi_data.pIocPg4;
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dataDma = ioc->spi_data.IocPg4_dma;
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ii = IOCPage4Ptr->ActiveSEP++;
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IOCPage4Ptr->SEP[ii].SEPTargetID = id;
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IOCPage4Ptr->SEP[ii].SEPBus = channel;
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pReq->Header = IOCPage4Ptr->Header;
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pReq->PageAddress = cpu_to_le32(id | (channel << 8 ));
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/* Add a SGE to the config request.
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*/
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flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE |
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(IOCPage4Ptr->Header.PageLength + ii) * 4;
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ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma);
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ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
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"writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n",
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ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel));
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mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
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return 0;
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}
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/**
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* mptspi_initTarget - Target, LUN alloc/free functionality.
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* @hd: Pointer to MPT_SCSI_HOST structure
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* @vtarget: per target private data
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* @sdev: SCSI device
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*
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* NOTE: It's only SAFE to call this routine if data points to
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* sane & valid STANDARD INQUIRY data!
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*
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* Allocate and initialize memory for this target.
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* Save inquiry data.
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*
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**/
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static void
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mptspi_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
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struct scsi_device *sdev)
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{
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/* Is LUN supported? If so, upper 2 bits will be 0
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* in first byte of inquiry data.
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*/
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if (sdev->inq_periph_qual != 0)
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return;
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if (vtarget == NULL)
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return;
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vtarget->type = sdev->type;
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if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) {
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/* Treat all Processors as SAF-TE if
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* command line option is set */
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vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
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mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
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}else if ((sdev->type == TYPE_PROCESSOR) &&
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!(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) {
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if (sdev->inquiry_len > 49 ) {
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if (sdev->inquiry[44] == 'S' &&
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sdev->inquiry[45] == 'A' &&
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sdev->inquiry[46] == 'F' &&
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sdev->inquiry[47] == '-' &&
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sdev->inquiry[48] == 'T' &&
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sdev->inquiry[49] == 'E' ) {
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vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
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mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
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}
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}
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}
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mptspi_setTargetNegoParms(hd, vtarget, sdev);
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}
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/**
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* mptspi_is_raid - Determines whether target is belonging to volume
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* @hd: Pointer to a SCSI HOST structure
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* @id: target device id
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*
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* Return:
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* non-zero = true
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* zero = false
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*
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*/
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static int
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mptspi_is_raid(struct _MPT_SCSI_HOST *hd, u32 id)
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{
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int i, rc = 0;
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MPT_ADAPTER *ioc = hd->ioc;
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if (!ioc->raid_data.pIocPg2)
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goto out;
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if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
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goto out;
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for (i=0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
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if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) {
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rc = 1;
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goto out;
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}
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}
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out:
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return rc;
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}
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static int mptspi_target_alloc(struct scsi_target *starget)
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{
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struct Scsi_Host *shost = dev_to_shost(&starget->dev);
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struct _MPT_SCSI_HOST *hd = shost_priv(shost);
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VirtTarget *vtarget;
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MPT_ADAPTER *ioc;
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if (hd == NULL)
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return -ENODEV;
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ioc = hd->ioc;
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vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
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if (!vtarget)
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return -ENOMEM;
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vtarget->ioc_id = ioc->id;
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vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
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vtarget->id = (u8)starget->id;
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vtarget->channel = (u8)starget->channel;
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vtarget->starget = starget;
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starget->hostdata = vtarget;
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if (starget->channel == 1) {
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if (mptscsih_is_phys_disk(ioc, 0, starget->id) == 0)
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return 0;
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vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
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/* The real channel for this device is zero */
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vtarget->channel = 0;
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/* The actual physdisknum (for RAID passthrough) */
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vtarget->id = mptscsih_raid_id_to_num(ioc, 0,
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starget->id);
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}
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if (starget->channel == 0 &&
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mptspi_is_raid(hd, starget->id)) {
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vtarget->raidVolume = 1;
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ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
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"RAID Volume @ channel=%d id=%d\n", ioc->name, starget->channel,
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starget->id));
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}
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|
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if (ioc->spi_data.nvram &&
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ioc->spi_data.nvram[starget->id] != MPT_HOST_NVRAM_INVALID) {
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u32 nvram = ioc->spi_data.nvram[starget->id];
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spi_min_period(starget) = (nvram & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT;
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spi_max_width(starget) = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
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} else {
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spi_min_period(starget) = ioc->spi_data.minSyncFactor;
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spi_max_width(starget) = ioc->spi_data.maxBusWidth;
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}
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spi_max_offset(starget) = ioc->spi_data.maxSyncOffset;
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spi_offset(starget) = 0;
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spi_period(starget) = 0xFF;
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mptspi_write_width(starget, 0);
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|
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return 0;
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}
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|
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static void
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mptspi_target_destroy(struct scsi_target *starget)
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{
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if (starget->hostdata)
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kfree(starget->hostdata);
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starget->hostdata = NULL;
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}
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|
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/**
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* mptspi_print_write_nego - negotiation parameters debug info that is being sent
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* @hd: Pointer to a SCSI HOST structure
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* @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;
|
|
}
|
|
|
|
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_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
|
|
{
|
|
struct _MPT_SCSI_HOST *hd = shost_priv(SCpnt->device->host);
|
|
VirtDevice *vdevice = SCpnt->device->hostdata;
|
|
MPT_ADAPTER *ioc = hd->ioc;
|
|
|
|
if (!vdevice || !vdevice->vtarget) {
|
|
SCpnt->result = DID_NO_CONNECT << 16;
|
|
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;
|
|
done(SCpnt);
|
|
return 0;
|
|
}
|
|
|
|
if (spi_dv_pending(scsi_target(SCpnt->device)))
|
|
ddvprintk(ioc, scsi_print_command(SCpnt));
|
|
|
|
return mptscsih_qcmd(SCpnt,done);
|
|
}
|
|
|
|
static DEF_SCSI_QCMD(mptspi_qcmd)
|
|
|
|
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",
|
|
.proc_info = mptscsih_proc_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,
|
|
.use_clustering = ENABLE_CLUSTERING,
|
|
.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, 1);
|
|
}
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
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 struct pci_driver mptspi_driver = {
|
|
.name = "mptspi",
|
|
.id_table = mptspi_pci_table,
|
|
.probe = mptspi_probe,
|
|
.remove = __devexit_p(mptscsih_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);
|