--- /dev/null
+/*
+ * linux/drivers/message/fusion/mptscsih.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 <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_dbg.h>
+
+#include "mptbase.h"
+#include "mptscsih.h"
+#include "lsi/mpi_log_sas.h"
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+#define my_NAME "Fusion MPT SCSI Host driver"
+#define my_VERSION MPT_LINUX_VERSION_COMMON
+#define MYNAM "mptscsih"
+
+MODULE_AUTHOR(MODULEAUTHOR);
+MODULE_DESCRIPTION(my_NAME);
+MODULE_LICENSE("GPL");
+MODULE_VERSION(my_VERSION);
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * Other private/forward protos...
+ */
+struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
+static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
+static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
+static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
+int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
+static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
+int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
+
+static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
+ SCSIIORequest_t *pReq, int req_idx);
+static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
+static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
+
+int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
+ u64 lun, int ctx2abort, ulong timeout);
+
+int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
+int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
+
+void
+mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
+static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
+ MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
+int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
+static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
+static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
+
+static int
+mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
+ SCSITaskMgmtReply_t *pScsiTmReply);
+void mptscsih_remove(struct pci_dev *);
+void mptscsih_shutdown(struct pci_dev *);
+#ifdef CONFIG_PM
+int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
+int mptscsih_resume(struct pci_dev *pdev);
+#endif
+
+#define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
+
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_getFreeChainBuffer - Function to get a free chain
+ * from the MPT_SCSI_HOST FreeChainQ.
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @req_idx: Index of the SCSI IO request frame. (output)
+ *
+ * return SUCCESS or FAILED
+ */
+static inline int
+mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
+{
+ MPT_FRAME_HDR *chainBuf;
+ unsigned long flags;
+ int rc;
+ int chain_idx;
+
+ dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
+ ioc->name));
+ spin_lock_irqsave(&ioc->FreeQlock, flags);
+ if (!list_empty(&ioc->FreeChainQ)) {
+ int offset;
+
+ chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
+ u.frame.linkage.list);
+ list_del(&chainBuf->u.frame.linkage.list);
+ offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
+ chain_idx = offset / ioc->req_sz;
+ rc = SUCCESS;
+ dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
+ ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
+ } else {
+ rc = FAILED;
+ chain_idx = MPT_HOST_NO_CHAIN;
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
+ ioc->name));
+ }
+ spin_unlock_irqrestore(&ioc->FreeQlock, flags);
+
+ *retIndex = chain_idx;
+ return rc;
+} /* mptscsih_getFreeChainBuffer() */
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
+ * SCSIIORequest_t Message Frame.
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @SCpnt: Pointer to scsi_cmnd structure
+ * @pReq: Pointer to SCSIIORequest_t structure
+ *
+ * Returns ...
+ */
+static int
+mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
+ SCSIIORequest_t *pReq, int req_idx)
+{
+ char *psge;
+ char *chainSge;
+ struct scatterlist *sg;
+ int frm_sz;
+ int sges_left, sg_done;
+ int chain_idx = MPT_HOST_NO_CHAIN;
+ int sgeOffset;
+ int numSgeSlots, numSgeThisFrame;
+ u32 sgflags, sgdir, thisxfer = 0;
+ int chain_dma_off = 0;
+ int newIndex;
+ int ii;
+ dma_addr_t v2;
+ u32 RequestNB;
+
+ sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
+ if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
+ sgdir = MPT_TRANSFER_HOST_TO_IOC;
+ } else {
+ sgdir = MPT_TRANSFER_IOC_TO_HOST;
+ }
+
+ psge = (char *) &pReq->SGL;
+ frm_sz = ioc->req_sz;
+
+ /* Map the data portion, if any.
+ * sges_left = 0 if no data transfer.
+ */
+ sges_left = scsi_dma_map(SCpnt);
+ if (sges_left < 0)
+ return FAILED;
+
+ /* Handle the SG case.
+ */
+ sg = scsi_sglist(SCpnt);
+ sg_done = 0;
+ sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
+ chainSge = NULL;
+
+ /* Prior to entering this loop - the following must be set
+ * current MF: sgeOffset (bytes)
+ * chainSge (Null if original MF is not a chain buffer)
+ * sg_done (num SGE done for this MF)
+ */
+
+nextSGEset:
+ numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
+ numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
+
+ sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
+
+ /* Get first (num - 1) SG elements
+ * Skip any SG entries with a length of 0
+ * NOTE: at finish, sg and psge pointed to NEXT data/location positions
+ */
+ for (ii=0; ii < (numSgeThisFrame-1); ii++) {
+ thisxfer = sg_dma_len(sg);
+ if (thisxfer == 0) {
+ /* Get next SG element from the OS */
+ sg = sg_next(sg);
+ sg_done++;
+ continue;
+ }
+
+ v2 = sg_dma_address(sg);
+ ioc->add_sge(psge, sgflags | thisxfer, v2);
+
+ /* Get next SG element from the OS */
+ sg = sg_next(sg);
+ psge += ioc->SGE_size;
+ sgeOffset += ioc->SGE_size;
+ sg_done++;
+ }
+
+ if (numSgeThisFrame == sges_left) {
+ /* Add last element, end of buffer and end of list flags.
+ */
+ sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
+ MPT_SGE_FLAGS_END_OF_BUFFER |
+ MPT_SGE_FLAGS_END_OF_LIST;
+
+ /* Add last SGE and set termination flags.
+ * Note: Last SGE may have a length of 0 - which should be ok.
+ */
+ thisxfer = sg_dma_len(sg);
+
+ v2 = sg_dma_address(sg);
+ ioc->add_sge(psge, sgflags | thisxfer, v2);
+ sgeOffset += ioc->SGE_size;
+ sg_done++;
+
+ if (chainSge) {
+ /* The current buffer is a chain buffer,
+ * but there is not another one.
+ * Update the chain element
+ * Offset and Length fields.
+ */
+ ioc->add_chain((char *)chainSge, 0, sgeOffset,
+ ioc->ChainBufferDMA + chain_dma_off);
+ } else {
+ /* The current buffer is the original MF
+ * and there is no Chain buffer.
+ */
+ pReq->ChainOffset = 0;
+ RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
+ dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
+ ioc->RequestNB[req_idx] = RequestNB;
+ }
+ } else {
+ /* At least one chain buffer is needed.
+ * Complete the first MF
+ * - last SGE element, set the LastElement bit
+ * - set ChainOffset (words) for orig MF
+ * (OR finish previous MF chain buffer)
+ * - update MFStructPtr ChainIndex
+ * - Populate chain element
+ * Also
+ * Loop until done.
+ */
+
+ dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
+ ioc->name, sg_done));
+
+ /* Set LAST_ELEMENT flag for last non-chain element
+ * in the buffer. Since psge points at the NEXT
+ * SGE element, go back one SGE element, update the flags
+ * and reset the pointer. (Note: sgflags & thisxfer are already
+ * set properly).
+ */
+ if (sg_done) {
+ u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
+ sgflags = le32_to_cpu(*ptmp);
+ sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
+ *ptmp = cpu_to_le32(sgflags);
+ }
+
+ if (chainSge) {
+ /* The current buffer is a chain buffer.
+ * chainSge points to the previous Chain Element.
+ * Update its chain element Offset and Length (must
+ * include chain element size) fields.
+ * Old chain element is now complete.
+ */
+ u8 nextChain = (u8) (sgeOffset >> 2);
+ sgeOffset += ioc->SGE_size;
+ ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
+ ioc->ChainBufferDMA + chain_dma_off);
+ } else {
+ /* The original MF buffer requires a chain buffer -
+ * set the offset.
+ * Last element in this MF is a chain element.
+ */
+ pReq->ChainOffset = (u8) (sgeOffset >> 2);
+ RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
+ dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
+ ioc->RequestNB[req_idx] = RequestNB;
+ }
+
+ sges_left -= sg_done;
+
+
+ /* NOTE: psge points to the beginning of the chain element
+ * in current buffer. Get a chain buffer.
+ */
+ if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
+ dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
+ ioc->name, pReq->CDB[0], SCpnt));
+ return FAILED;
+ }
+
+ /* Update the tracking arrays.
+ * If chainSge == NULL, update ReqToChain, else ChainToChain
+ */
+ if (chainSge) {
+ ioc->ChainToChain[chain_idx] = newIndex;
+ } else {
+ ioc->ReqToChain[req_idx] = newIndex;
+ }
+ chain_idx = newIndex;
+ chain_dma_off = ioc->req_sz * chain_idx;
+
+ /* Populate the chainSGE for the current buffer.
+ * - Set chain buffer pointer to psge and fill
+ * out the Address and Flags fields.
+ */
+ chainSge = (char *) psge;
+ dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
+ ioc->name, psge, req_idx));
+
+ /* Start the SGE for the next buffer
+ */
+ psge = (char *) (ioc->ChainBuffer + chain_dma_off);
+ sgeOffset = 0;
+ sg_done = 0;
+
+ dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
+ ioc->name, psge, chain_idx));
+
+ /* Start the SGE for the next buffer
+ */
+
+ goto nextSGEset;
+ }
+
+ return SUCCESS;
+} /* mptscsih_AddSGE() */
+
+static void
+mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
+ U32 SlotStatus)
+{
+ MPT_FRAME_HDR *mf;
+ SEPRequest_t *SEPMsg;
+
+ if (ioc->bus_type != SAS)
+ return;
+
+ /* Not supported for hidden raid components
+ */
+ if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
+ return;
+
+ if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
+ dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
+ ioc->name,__func__));
+ return;
+ }
+
+ SEPMsg = (SEPRequest_t *)mf;
+ SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
+ SEPMsg->Bus = vtarget->channel;
+ SEPMsg->TargetID = vtarget->id;
+ SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
+ SEPMsg->SlotStatus = SlotStatus;
+ devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "Sending SEP cmd=%x channel=%d id=%d\n",
+ ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
+ mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
+}
+
+#ifdef CONFIG_FUSION_LOGGING
+/**
+ * mptscsih_info_scsiio - debug print info on reply frame
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @sc: original scsi cmnd pointer
+ * @pScsiReply: Pointer to MPT reply frame
+ *
+ * MPT_DEBUG_REPLY needs to be enabled to obtain this info
+ *
+ * Refer to lsi/mpi.h.
+ **/
+static void
+mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
+{
+ char *desc = NULL;
+ char *desc1 = NULL;
+ u16 ioc_status;
+ u8 skey, asc, ascq;
+
+ ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
+
+ switch (ioc_status) {
+
+ case MPI_IOCSTATUS_SUCCESS:
+ desc = "success";
+ break;
+ case MPI_IOCSTATUS_SCSI_INVALID_BUS:
+ desc = "invalid bus";
+ break;
+ case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
+ desc = "invalid target_id";
+ break;
+ case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
+ desc = "device not there";
+ break;
+ case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
+ desc = "data overrun";
+ break;
+ case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
+ desc = "data underrun";
+ break;
+ case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
+ desc = "I/O data error";
+ break;
+ case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
+ desc = "protocol error";
+ break;
+ case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
+ desc = "task terminated";
+ break;
+ case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
+ desc = "residual mismatch";
+ break;
+ case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
+ desc = "task management failed";
+ break;
+ case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
+ desc = "IOC terminated";
+ break;
+ case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
+ desc = "ext terminated";
+ break;
+ default:
+ desc = "";
+ break;
+ }
+
+ switch (pScsiReply->SCSIStatus)
+ {
+
+ case MPI_SCSI_STATUS_SUCCESS:
+ desc1 = "success";
+ break;
+ case MPI_SCSI_STATUS_CHECK_CONDITION:
+ desc1 = "check condition";
+ break;
+ case MPI_SCSI_STATUS_CONDITION_MET:
+ desc1 = "condition met";
+ break;
+ case MPI_SCSI_STATUS_BUSY:
+ desc1 = "busy";
+ break;
+ case MPI_SCSI_STATUS_INTERMEDIATE:
+ desc1 = "intermediate";
+ break;
+ case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
+ desc1 = "intermediate condmet";
+ break;
+ case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
+ desc1 = "reservation conflict";
+ break;
+ case MPI_SCSI_STATUS_COMMAND_TERMINATED:
+ desc1 = "command terminated";
+ break;
+ case MPI_SCSI_STATUS_TASK_SET_FULL:
+ desc1 = "task set full";
+ break;
+ case MPI_SCSI_STATUS_ACA_ACTIVE:
+ desc1 = "aca active";
+ break;
+ case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
+ desc1 = "fcpext device logged out";
+ break;
+ case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
+ desc1 = "fcpext no link";
+ break;
+ case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
+ desc1 = "fcpext unassigned";
+ break;
+ default:
+ desc1 = "";
+ break;
+ }
+
+ scsi_print_command(sc);
+ printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
+ ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
+ printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
+ "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
+ scsi_get_resid(sc));
+ printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
+ "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
+ le32_to_cpu(pScsiReply->TransferCount), sc->result);
+
+ printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
+ "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
+ ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
+ pScsiReply->SCSIState);
+
+ if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
+ skey = sc->sense_buffer[2] & 0x0F;
+ asc = sc->sense_buffer[12];
+ ascq = sc->sense_buffer[13];
+
+ printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
+ "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
+ }
+
+ /*
+ * Look for + dump FCP ResponseInfo[]!
+ */
+ if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
+ pScsiReply->ResponseInfo)
+ printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
+ ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
+}
+#endif
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_io_done - Main SCSI IO callback routine registered to
+ * Fusion MPT (base) driver
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @mf: Pointer to original MPT request frame
+ * @r: Pointer to MPT reply frame (NULL if TurboReply)
+ *
+ * This routine is called from mpt.c::mpt_interrupt() at the completion
+ * of any SCSI IO request.
+ * This routine is registered with the Fusion MPT (base) driver at driver
+ * load/init time via the mpt_register() API call.
+ *
+ * Returns 1 indicating alloc'd request frame ptr should be freed.
+ */
+int
+mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
+{
+ struct scsi_cmnd *sc;
+ MPT_SCSI_HOST *hd;
+ SCSIIORequest_t *pScsiReq;
+ SCSIIOReply_t *pScsiReply;
+ u16 req_idx, req_idx_MR;
+ VirtDevice *vdevice;
+ VirtTarget *vtarget;
+
+ hd = shost_priv(ioc->sh);
+ req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
+ req_idx_MR = (mr != NULL) ?
+ le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
+
+ /* Special case, where already freed message frame is received from
+ * Firmware. It happens with Resetting IOC.
+ * Return immediately. Do not care
+ */
+ if ((req_idx != req_idx_MR) ||
+ (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
+ return 0;
+
+ sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
+ if (sc == NULL) {
+ MPIHeader_t *hdr = (MPIHeader_t *)mf;
+
+ /* Remark: writeSDP1 will use the ScsiDoneCtx
+ * If a SCSI I/O cmd, device disabled by OS and
+ * completion done. Cannot touch sc struct. Just free mem.
+ */
+ if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
+ printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
+ ioc->name);
+
+ mptscsih_freeChainBuffers(ioc, req_idx);
+ return 1;
+ }
+
+ if ((unsigned char *)mf != sc->host_scribble) {
+ mptscsih_freeChainBuffers(ioc, req_idx);
+ return 1;
+ }
+
+ if (ioc->bus_type == SAS) {
+ VirtDevice *vdevice = sc->device->hostdata;
+
+ if (!vdevice || !vdevice->vtarget ||
+ vdevice->vtarget->deleted) {
+ sc->result = DID_NO_CONNECT << 16;
+ goto out;
+ }
+ }
+
+ sc->host_scribble = NULL;
+ sc->result = DID_OK << 16; /* Set default reply as OK */
+ pScsiReq = (SCSIIORequest_t *) mf;
+ pScsiReply = (SCSIIOReply_t *) mr;
+
+ if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
+ dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
+ ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
+ }else{
+ dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
+ ioc->name, mf, mr, sc, req_idx));
+ }
+
+ if (pScsiReply == NULL) {
+ /* special context reply handling */
+ ;
+ } else {
+ u32 xfer_cnt;
+ u16 status;
+ u8 scsi_state, scsi_status;
+ u32 log_info;
+
+ status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
+
+ scsi_state = pScsiReply->SCSIState;
+ scsi_status = pScsiReply->SCSIStatus;
+ xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
+ scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
+ log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
+
+ /*
+ * if we get a data underrun indication, yet no data was
+ * transferred and the SCSI status indicates that the
+ * command was never started, change the data underrun
+ * to success
+ */
+ if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
+ (scsi_status == MPI_SCSI_STATUS_BUSY ||
+ scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
+ scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
+ status = MPI_IOCSTATUS_SUCCESS;
+ }
+
+ if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
+ mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
+
+ /*
+ * Look for + dump FCP ResponseInfo[]!
+ */
+ if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
+ pScsiReply->ResponseInfo) {
+ printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
+ "FCP_ResponseInfo=%08xh\n", ioc->name,
+ sc->device->host->host_no, sc->device->channel,
+ sc->device->id, sc->device->lun,
+ le32_to_cpu(pScsiReply->ResponseInfo));
+ }
+
+ switch(status) {
+ case MPI_IOCSTATUS_BUSY: /* 0x0002 */
+ case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
+ /* CHECKME!
+ * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
+ * But not: DID_BUS_BUSY lest one risk
+ * killing interrupt handler:-(
+ */
+ sc->result = SAM_STAT_BUSY;
+ break;
+
+ case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
+ case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
+ sc->result = DID_BAD_TARGET << 16;
+ break;
+
+ case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
+ /* Spoof to SCSI Selection Timeout! */
+ if (ioc->bus_type != FC)
+ sc->result = DID_NO_CONNECT << 16;
+ /* else fibre, just stall until rescan event */
+ else
+ sc->result = DID_REQUEUE << 16;
+
+ if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
+ hd->sel_timeout[pScsiReq->TargetID]++;
+
+ vdevice = sc->device->hostdata;
+ if (!vdevice)
+ break;
+ vtarget = vdevice->vtarget;
+ if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
+ mptscsih_issue_sep_command(ioc, vtarget,
+ MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
+ vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
+ }
+ break;
+
+ case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
+ if ( ioc->bus_type == SAS ) {
+ u16 ioc_status =
+ le16_to_cpu(pScsiReply->IOCStatus);
+ if ((ioc_status &
+ MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
+ &&
+ ((log_info & SAS_LOGINFO_MASK) ==
+ SAS_LOGINFO_NEXUS_LOSS)) {
+ VirtDevice *vdevice =
+ sc->device->hostdata;
+
+ /* flag the device as being in
+ * device removal delay so we can
+ * notify the midlayer to hold off
+ * on timeout eh */
+ if (vdevice && vdevice->
+ vtarget &&
+ vdevice->vtarget->
+ raidVolume)
+ printk(KERN_INFO
+ "Skipping Raid Volume"
+ "for inDMD\n");
+ else if (vdevice &&
+ vdevice->vtarget)
+ vdevice->vtarget->
+ inDMD = 1;
+
+ sc->result =
+ (DID_TRANSPORT_DISRUPTED
+ << 16);
+ break;
+ }
+ } else if (ioc->bus_type == FC) {
+ /*
+ * The FC IOC may kill a request for variety of
+ * reasons, some of which may be recovered by a
+ * retry, some which are unlikely to be
+ * recovered. Return DID_ERROR instead of
+ * DID_RESET to permit retry of the command,
+ * just not an infinite number of them
+ */
+ sc->result = DID_ERROR << 16;
+ break;
+ }
+
+ /*
+ * Allow non-SAS & non-NEXUS_LOSS to drop into below code
+ */
+
+ case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
+ /* Linux handles an unsolicited DID_RESET better
+ * than an unsolicited DID_ABORT.
+ */
+ sc->result = DID_RESET << 16;
+ break;
+
+ case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
+ if (ioc->bus_type == FC)
+ sc->result = DID_ERROR << 16;
+ else
+ sc->result = DID_RESET << 16;
+ break;
+
+ case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
+ scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
+ if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
+ sc->result=DID_SOFT_ERROR << 16;
+ else /* Sufficient data transfer occurred */
+ sc->result = (DID_OK << 16) | scsi_status;
+ dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
+ ioc->name, sc->result, sc->device->channel, sc->device->id));
+ break;
+
+ case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
+ /*
+ * Do upfront check for valid SenseData and give it
+ * precedence!
+ */
+ sc->result = (DID_OK << 16) | scsi_status;
+ if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
+
+ /*
+ * For an Errata on LSI53C1030
+ * When the length of request data
+ * and transfer data are different
+ * with result of command (READ or VERIFY),
+ * DID_SOFT_ERROR is set.
+ */
+ if (ioc->bus_type == SPI) {
+ if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
+ pScsiReq->CDB[0] == READ_10 ||
+ pScsiReq->CDB[0] == READ_12 ||
+ (pScsiReq->CDB[0] == READ_16 &&
+ ((pScsiReq->CDB[1] & 0x02) == 0)) ||
+ pScsiReq->CDB[0] == VERIFY ||
+ pScsiReq->CDB[0] == VERIFY_16) {
+ if (scsi_bufflen(sc) !=
+ xfer_cnt) {
+ sc->result =
+ DID_SOFT_ERROR << 16;
+ printk(KERN_WARNING "Errata"
+ "on LSI53C1030 occurred."
+ "sc->req_bufflen=0x%02x,"
+ "xfer_cnt=0x%02x\n",
+ scsi_bufflen(sc),
+ xfer_cnt);
+ }
+ }
+ }
+
+ if (xfer_cnt < sc->underflow) {
+ if (scsi_status == SAM_STAT_BUSY)
+ sc->result = SAM_STAT_BUSY;
+ else
+ sc->result = DID_SOFT_ERROR << 16;
+ }
+ if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
+ /* What to do?
+ */
+ sc->result = DID_SOFT_ERROR << 16;
+ }
+ else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
+ /* Not real sure here either... */
+ sc->result = DID_RESET << 16;
+ }
+ }
+
+
+ dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
+ ioc->name, sc->underflow));
+ dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
+
+ /* Report Queue Full
+ */
+ if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
+ mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
+
+ break;
+
+ case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
+ scsi_set_resid(sc, 0);
+ case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
+ case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
+ sc->result = (DID_OK << 16) | scsi_status;
+ if (scsi_state == 0) {
+ ;
+ } else if (scsi_state &
+ MPI_SCSI_STATE_AUTOSENSE_VALID) {
+
+ /*
+ * For potential trouble on LSI53C1030.
+ * (date:2007.xx.)
+ * It is checked whether the length of
+ * request data is equal to
+ * the length of transfer and residual.
+ * MEDIUM_ERROR is set by incorrect data.
+ */
+ if ((ioc->bus_type == SPI) &&
+ (sc->sense_buffer[2] & 0x20)) {
+ u32 difftransfer;
+ difftransfer =
+ sc->sense_buffer[3] << 24 |
+ sc->sense_buffer[4] << 16 |
+ sc->sense_buffer[5] << 8 |
+ sc->sense_buffer[6];
+ if (((sc->sense_buffer[3] & 0x80) ==
+ 0x80) && (scsi_bufflen(sc)
+ != xfer_cnt)) {
+ sc->sense_buffer[2] =
+ MEDIUM_ERROR;
+ sc->sense_buffer[12] = 0xff;
+ sc->sense_buffer[13] = 0xff;
+ printk(KERN_WARNING"Errata"
+ "on LSI53C1030 occurred."
+ "sc->req_bufflen=0x%02x,"
+ "xfer_cnt=0x%02x\n" ,
+ scsi_bufflen(sc),
+ xfer_cnt);
+ }
+ if (((sc->sense_buffer[3] & 0x80)
+ != 0x80) &&
+ (scsi_bufflen(sc) !=
+ xfer_cnt + difftransfer)) {
+ sc->sense_buffer[2] =
+ MEDIUM_ERROR;
+ sc->sense_buffer[12] = 0xff;
+ sc->sense_buffer[13] = 0xff;
+ printk(KERN_WARNING
+ "Errata on LSI53C1030 occurred"
+ "sc->req_bufflen=0x%02x,"
+ " xfer_cnt=0x%02x,"
+ "difftransfer=0x%02x\n",
+ scsi_bufflen(sc),
+ xfer_cnt,
+ difftransfer);
+ }
+ }
+
+ /*
+ * If running against circa 200003dd 909 MPT f/w,
+ * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
+ * (QUEUE_FULL) returned from device! --> get 0x0000?128
+ * and with SenseBytes set to 0.
+ */
+ if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
+ mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
+
+ }
+ else if (scsi_state &
+ (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
+ ) {
+ /*
+ * What to do?
+ */
+ sc->result = DID_SOFT_ERROR << 16;
+ }
+ else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
+ /* Not real sure here either... */
+ sc->result = DID_RESET << 16;
+ }
+ else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
+ /* Device Inq. data indicates that it supports
+ * QTags, but rejects QTag messages.
+ * This command completed OK.
+ *
+ * Not real sure here either so do nothing... */
+ }
+
+ if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
+ mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
+
+ /* Add handling of:
+ * Reservation Conflict, Busy,
+ * Command Terminated, CHECK
+ */
+ break;
+
+ case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
+ sc->result = DID_SOFT_ERROR << 16;
+ break;
+
+ case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
+ case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
+ case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
+ case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
+ case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
+ case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
+ case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
+ case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
+ default:
+ /*
+ * What to do?
+ */
+ sc->result = DID_SOFT_ERROR << 16;
+ break;
+
+ } /* switch(status) */
+
+#ifdef CONFIG_FUSION_LOGGING
+ if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
+ mptscsih_info_scsiio(ioc, sc, pScsiReply);
+#endif
+
+ } /* end of address reply case */
+out:
+ /* Unmap the DMA buffers, if any. */
+ scsi_dma_unmap(sc);
+
+ sc->scsi_done(sc); /* Issue the command callback */
+
+ /* Free Chain buffers */
+ mptscsih_freeChainBuffers(ioc, req_idx);
+ return 1;
+}
+
+/*
+ * mptscsih_flush_running_cmds - For each command found, search
+ * Scsi_Host instance taskQ and reply to OS.
+ * Called only if recovering from a FW reload.
+ * @hd: Pointer to a SCSI HOST structure
+ *
+ * Returns: None.
+ *
+ * Must be called while new I/Os are being queued.
+ */
+void
+mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
+{
+ MPT_ADAPTER *ioc = hd->ioc;
+ struct scsi_cmnd *sc;
+ SCSIIORequest_t *mf = NULL;
+ int ii;
+ int channel, id;
+
+ for (ii= 0; ii < ioc->req_depth; ii++) {
+ sc = mptscsih_getclear_scsi_lookup(ioc, ii);
+ if (!sc)
+ continue;
+ mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
+ if (!mf)
+ continue;
+ channel = mf->Bus;
+ id = mf->TargetID;
+ mptscsih_freeChainBuffers(ioc, ii);
+ mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
+ if ((unsigned char *)mf != sc->host_scribble)
+ continue;
+ scsi_dma_unmap(sc);
+ sc->result = DID_RESET << 16;
+ sc->host_scribble = NULL;
+ dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
+ "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
+ "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
+ sc->scsi_done(sc);
+ }
+}
+EXPORT_SYMBOL(mptscsih_flush_running_cmds);
+
+/*
+ * mptscsih_search_running_cmds - Delete any commands associated
+ * with the specified target and lun. Function called only
+ * when a lun is disable by mid-layer.
+ * Do NOT access the referenced scsi_cmnd structure or
+ * members. Will cause either a paging or NULL ptr error.
+ * (BUT, BUT, BUT, the code does reference it! - mdr)
+ * @hd: Pointer to a SCSI HOST structure
+ * @vdevice: per device private data
+ *
+ * Returns: None.
+ *
+ * Called from slave_destroy.
+ */
+static void
+mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
+{
+ SCSIIORequest_t *mf = NULL;
+ int ii;
+ struct scsi_cmnd *sc;
+ struct scsi_lun lun;
+ MPT_ADAPTER *ioc = hd->ioc;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ for (ii = 0; ii < ioc->req_depth; ii++) {
+ if ((sc = ioc->ScsiLookup[ii]) != NULL) {
+
+ mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
+ if (mf == NULL)
+ continue;
+ /* If the device is a hidden raid component, then its
+ * expected that the mf->function will be RAID_SCSI_IO
+ */
+ if (vdevice->vtarget->tflags &
+ MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
+ MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
+ continue;
+
+ int_to_scsilun(vdevice->lun, &lun);
+ if ((mf->Bus != vdevice->vtarget->channel) ||
+ (mf->TargetID != vdevice->vtarget->id) ||
+ memcmp(lun.scsi_lun, mf->LUN, 8))
+ continue;
+
+ if ((unsigned char *)mf != sc->host_scribble)
+ continue;
+ ioc->ScsiLookup[ii] = NULL;
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+ mptscsih_freeChainBuffers(ioc, ii);
+ mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
+ scsi_dma_unmap(sc);
+ sc->host_scribble = NULL;
+ sc->result = DID_NO_CONNECT << 16;
+ dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
+ MYIOC_s_FMT "completing cmds: fw_channel %d, "
+ "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
+ vdevice->vtarget->channel, vdevice->vtarget->id,
+ sc, mf, ii));
+ sc->scsi_done(sc);
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ }
+ }
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+ return;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_report_queue_full - Report QUEUE_FULL status returned
+ * from a SCSI target device.
+ * @sc: Pointer to scsi_cmnd structure
+ * @pScsiReply: Pointer to SCSIIOReply_t
+ * @pScsiReq: Pointer to original SCSI request
+ *
+ * This routine periodically reports QUEUE_FULL status returned from a
+ * SCSI target device. It reports this to the console via kernel
+ * printk() API call, not more than once every 10 seconds.
+ */
+static void
+mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
+{
+ long time = jiffies;
+ MPT_SCSI_HOST *hd;
+ MPT_ADAPTER *ioc;
+
+ if (sc->device == NULL)
+ return;
+ if (sc->device->host == NULL)
+ return;
+ if ((hd = shost_priv(sc->device->host)) == NULL)
+ return;
+ ioc = hd->ioc;
+ if (time - hd->last_queue_full > 10 * HZ) {
+ dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
+ ioc->name, 0, sc->device->id, sc->device->lun));
+ hd->last_queue_full = time;
+ }
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_remove - Removed scsi devices
+ * @pdev: Pointer to pci_dev structure
+ *
+ *
+ */
+void
+mptscsih_remove(struct pci_dev *pdev)
+{
+ MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
+ struct Scsi_Host *host = ioc->sh;
+ MPT_SCSI_HOST *hd;
+ int sz1;
+
+ scsi_remove_host(host);
+
+ if((hd = shost_priv(host)) == NULL)
+ return;
+
+ mptscsih_shutdown(pdev);
+
+ sz1=0;
+
+ if (ioc->ScsiLookup != NULL) {
+ sz1 = ioc->req_depth * sizeof(void *);
+ kfree(ioc->ScsiLookup);
+ ioc->ScsiLookup = NULL;
+ }
+
+ dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "Free'd ScsiLookup (%d) memory\n",
+ ioc->name, sz1));
+
+ kfree(hd->info_kbuf);
+
+ /* NULL the Scsi_Host pointer
+ */
+ ioc->sh = NULL;
+
+ scsi_host_put(host);
+
+ mpt_detach(pdev);
+
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_shutdown - reboot notifier
+ *
+ */
+void
+mptscsih_shutdown(struct pci_dev *pdev)
+{
+}
+
+#ifdef CONFIG_PM
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
+ *
+ *
+ */
+int
+mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
+
+ scsi_block_requests(ioc->sh);
+ flush_scheduled_work();
+ mptscsih_shutdown(pdev);
+ return mpt_suspend(pdev,state);
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_resume - Fusion MPT scsi driver resume routine.
+ *
+ *
+ */
+int
+mptscsih_resume(struct pci_dev *pdev)
+{
+ MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
+ int rc;
+
+ rc = mpt_resume(pdev);
+ scsi_unblock_requests(ioc->sh);
+ return rc;
+}
+
+#endif
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_info - Return information about MPT adapter
+ * @SChost: Pointer to Scsi_Host structure
+ *
+ * (linux scsi_host_template.info routine)
+ *
+ * Returns pointer to buffer where information was written.
+ */
+const char *
+mptscsih_info(struct Scsi_Host *SChost)
+{
+ MPT_SCSI_HOST *h;
+ int size = 0;
+
+ h = shost_priv(SChost);
+
+ if (h->info_kbuf == NULL)
+ if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
+ return h->info_kbuf;
+ h->info_kbuf[0] = '\0';
+
+ mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
+ h->info_kbuf[size-1] = '\0';
+
+ return h->info_kbuf;
+}
+
+int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
+{
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
+ seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
+ seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
+ seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
+
+ return 0;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+#define ADD_INDEX_LOG(req_ent) do { } while(0)
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
+ * @SCpnt: Pointer to scsi_cmnd structure
+ *
+ * (linux scsi_host_template.queuecommand routine)
+ * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
+ * from a linux scsi_cmnd request and send it to the IOC.
+ *
+ * Returns 0. (rtn value discarded by linux scsi mid-layer)
+ */
+int
+mptscsih_qcmd(struct scsi_cmnd *SCpnt)
+{
+ MPT_SCSI_HOST *hd;
+ MPT_FRAME_HDR *mf;
+ SCSIIORequest_t *pScsiReq;
+ VirtDevice *vdevice = SCpnt->device->hostdata;
+ u32 datalen;
+ u32 scsictl;
+ u32 scsidir;
+ u32 cmd_len;
+ int my_idx;
+ int ii;
+ MPT_ADAPTER *ioc;
+
+ hd = shost_priv(SCpnt->device->host);
+ ioc = hd->ioc;
+
+ dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
+ ioc->name, SCpnt));
+
+ if (ioc->taskmgmt_quiesce_io)
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ /*
+ * Put together a MPT SCSI request...
+ */
+ if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
+ dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
+ ioc->name));
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
+
+ pScsiReq = (SCSIIORequest_t *) mf;
+
+ my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
+
+ ADD_INDEX_LOG(my_idx);
+
+ /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
+ * Seems we may receive a buffer (datalen>0) even when there
+ * will be no data transfer! GRRRRR...
+ */
+ if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
+ datalen = scsi_bufflen(SCpnt);
+ scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
+ } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
+ datalen = scsi_bufflen(SCpnt);
+ scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
+ } else {
+ datalen = 0;
+ scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
+ }
+
+ /* Default to untagged. Once a target structure has been allocated,
+ * use the Inquiry data to determine if device supports tagged.
+ */
+ if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
+ && (SCpnt->device->tagged_supported)) {
+ scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
+ if (SCpnt->request && SCpnt->request->ioprio) {
+ if (((SCpnt->request->ioprio & 0x7) == 1) ||
+ !(SCpnt->request->ioprio & 0x7))
+ scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
+ }
+ } else
+ scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
+
+
+ /* Use the above information to set up the message frame
+ */
+ pScsiReq->TargetID = (u8) vdevice->vtarget->id;
+ pScsiReq->Bus = vdevice->vtarget->channel;
+ pScsiReq->ChainOffset = 0;
+ if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
+ pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
+ else
+ pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
+ pScsiReq->CDBLength = SCpnt->cmd_len;
+ pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
+ pScsiReq->Reserved = 0;
+ pScsiReq->MsgFlags = mpt_msg_flags(ioc);
+ int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
+ pScsiReq->Control = cpu_to_le32(scsictl);
+
+ /*
+ * Write SCSI CDB into the message
+ */
+ cmd_len = SCpnt->cmd_len;
+ for (ii=0; ii < cmd_len; ii++)
+ pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
+
+ for (ii=cmd_len; ii < 16; ii++)
+ pScsiReq->CDB[ii] = 0;
+
+ /* DataLength */
+ pScsiReq->DataLength = cpu_to_le32(datalen);
+
+ /* SenseBuffer low address */
+ pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
+ + (my_idx * MPT_SENSE_BUFFER_ALLOC));
+
+ /* Now add the SG list
+ * Always have a SGE even if null length.
+ */
+ if (datalen == 0) {
+ /* Add a NULL SGE */
+ ioc->add_sge((char *)&pScsiReq->SGL,
+ MPT_SGE_FLAGS_SSIMPLE_READ | 0,
+ (dma_addr_t) -1);
+ } else {
+ /* Add a 32 or 64 bit SGE */
+ if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
+ goto fail;
+ }
+
+ SCpnt->host_scribble = (unsigned char *)mf;
+ mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
+
+ mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
+ dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
+ ioc->name, SCpnt, mf, my_idx));
+ DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
+ return 0;
+
+ fail:
+ mptscsih_freeChainBuffers(ioc, my_idx);
+ mpt_free_msg_frame(ioc, mf);
+ return SCSI_MLQUEUE_HOST_BUSY;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_freeChainBuffers - Function to free chain buffers associated
+ * with a SCSI IO request
+ * @hd: Pointer to the MPT_SCSI_HOST instance
+ * @req_idx: Index of the SCSI IO request frame.
+ *
+ * Called if SG chain buffer allocation fails and mptscsih callbacks.
+ * No return.
+ */
+static void
+mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
+{
+ MPT_FRAME_HDR *chain;
+ unsigned long flags;
+ int chain_idx;
+ int next;
+
+ /* Get the first chain index and reset
+ * tracker state.
+ */
+ chain_idx = ioc->ReqToChain[req_idx];
+ ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
+
+ while (chain_idx != MPT_HOST_NO_CHAIN) {
+
+ /* Save the next chain buffer index */
+ next = ioc->ChainToChain[chain_idx];
+
+ /* Free this chain buffer and reset
+ * tracker
+ */
+ ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
+
+ chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
+ + (chain_idx * ioc->req_sz));
+
+ spin_lock_irqsave(&ioc->FreeQlock, flags);
+ list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
+ spin_unlock_irqrestore(&ioc->FreeQlock, flags);
+
+ dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
+ ioc->name, chain_idx));
+
+ /* handle next */
+ chain_idx = next;
+ }
+ return;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * Reset Handling
+ */
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_IssueTaskMgmt - Generic send Task Management function.
+ * @hd: Pointer to MPT_SCSI_HOST structure
+ * @type: Task Management type
+ * @channel: channel number for task management
+ * @id: Logical Target ID for reset (if appropriate)
+ * @lun: Logical Unit for reset (if appropriate)
+ * @ctx2abort: Context for the task to be aborted (if appropriate)
+ * @timeout: timeout for task management control
+ *
+ * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
+ * or a non-interrupt thread. In the former, must not call schedule().
+ *
+ * Not all fields are meaningfull for all task types.
+ *
+ * Returns 0 for SUCCESS, or FAILED.
+ *
+ **/
+int
+mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
+ int ctx2abort, ulong timeout)
+{
+ MPT_FRAME_HDR *mf;
+ SCSITaskMgmt_t *pScsiTm;
+ int ii;
+ int retval;
+ MPT_ADAPTER *ioc = hd->ioc;
+ unsigned long timeleft;
+ u8 issue_hard_reset;
+ u32 ioc_raw_state;
+ unsigned long time_count;
+
+ issue_hard_reset = 0;
+ ioc_raw_state = mpt_GetIocState(ioc, 0);
+
+ if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
+ printk(MYIOC_s_WARN_FMT
+ "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
+ ioc->name, type, ioc_raw_state);
+ printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
+ ioc->name, __func__);
+ if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
+ printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
+ "FAILED!!\n", ioc->name);
+ return 0;
+ }
+
+ /* DOORBELL ACTIVE check is not required if
+ * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
+ */
+
+ if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
+ && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
+ (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
+ printk(MYIOC_s_WARN_FMT
+ "TaskMgmt type=%x: ioc_state: "
+ "DOORBELL_ACTIVE (0x%x)!\n",
+ ioc->name, type, ioc_raw_state);
+ return FAILED;
+ }
+
+ mutex_lock(&ioc->taskmgmt_cmds.mutex);
+ if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
+ mf = NULL;
+ retval = FAILED;
+ goto out;
+ }
+
+ /* Return Fail to calling function if no message frames available.
+ */
+ if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "TaskMgmt no msg frames!!\n", ioc->name));
+ retval = FAILED;
+ mpt_clear_taskmgmt_in_progress_flag(ioc);
+ goto out;
+ }
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
+ ioc->name, mf));
+
+ /* Format the Request
+ */
+ pScsiTm = (SCSITaskMgmt_t *) mf;
+ pScsiTm->TargetID = id;
+ pScsiTm->Bus = channel;
+ pScsiTm->ChainOffset = 0;
+ pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
+
+ pScsiTm->Reserved = 0;
+ pScsiTm->TaskType = type;
+ pScsiTm->Reserved1 = 0;
+ pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
+ ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
+
+ int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
+
+ for (ii=0; ii < 7; ii++)
+ pScsiTm->Reserved2[ii] = 0;
+
+ pScsiTm->TaskMsgContext = ctx2abort;
+
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
+ "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
+ type, timeout));
+
+ DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
+
+ INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
+ time_count = jiffies;
+ if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
+ (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
+ mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
+ else {
+ retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
+ sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
+ if (retval) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
+ ioc->name, mf, retval));
+ mpt_free_msg_frame(ioc, mf);
+ mpt_clear_taskmgmt_in_progress_flag(ioc);
+ goto out;
+ }
+ }
+
+ timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
+ timeout*HZ);
+ if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
+ retval = FAILED;
+ dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
+ mpt_clear_taskmgmt_in_progress_flag(ioc);
+ if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
+ goto out;
+ issue_hard_reset = 1;
+ goto out;
+ }
+
+ retval = mptscsih_taskmgmt_reply(ioc, type,
+ (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
+
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "TaskMgmt completed (%d seconds)\n",
+ ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
+
+ out:
+
+ CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
+ if (issue_hard_reset) {
+ printk(MYIOC_s_WARN_FMT
+ "Issuing Reset from %s!! doorbell=0x%08x\n",
+ ioc->name, __func__, mpt_GetIocState(ioc, 0));
+ retval = (ioc->bus_type == SAS) ?
+ mpt_HardResetHandler(ioc, CAN_SLEEP) :
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
+ mpt_free_msg_frame(ioc, mf);
+ }
+
+ retval = (retval == 0) ? 0 : FAILED;
+ mutex_unlock(&ioc->taskmgmt_cmds.mutex);
+ return retval;
+}
+EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
+
+static int
+mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
+{
+ switch (ioc->bus_type) {
+ case FC:
+ return 40;
+ case SAS:
+ return 30;
+ case SPI:
+ default:
+ return 10;
+ }
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
+ * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
+ *
+ * (linux scsi_host_template.eh_abort_handler routine)
+ *
+ * Returns SUCCESS or FAILED.
+ **/
+int
+mptscsih_abort(struct scsi_cmnd * SCpnt)
+{
+ MPT_SCSI_HOST *hd;
+ MPT_FRAME_HDR *mf;
+ u32 ctx2abort;
+ int scpnt_idx;
+ int retval;
+ VirtDevice *vdevice;
+ MPT_ADAPTER *ioc;
+
+ /* If we can't locate our host adapter structure, return FAILED status.
+ */
+ if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
+ SCpnt->result = DID_RESET << 16;
+ SCpnt->scsi_done(SCpnt);
+ printk(KERN_ERR MYNAM ": task abort: "
+ "can't locate host! (sc=%p)\n", SCpnt);
+ return FAILED;
+ }
+
+ ioc = hd->ioc;
+ printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
+ ioc->name, SCpnt);
+ scsi_print_command(SCpnt);
+
+ vdevice = SCpnt->device->hostdata;
+ if (!vdevice || !vdevice->vtarget) {
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "task abort: device has been deleted (sc=%p)\n",
+ ioc->name, SCpnt));
+ SCpnt->result = DID_NO_CONNECT << 16;
+ SCpnt->scsi_done(SCpnt);
+ retval = SUCCESS;
+ goto out;
+ }
+
+ /* Task aborts are not supported for hidden raid components.
+ */
+ if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "task abort: hidden raid component (sc=%p)\n",
+ ioc->name, SCpnt));
+ SCpnt->result = DID_RESET << 16;
+ retval = FAILED;
+ goto out;
+ }
+
+ /* Task aborts are not supported for volumes.
+ */
+ if (vdevice->vtarget->raidVolume) {
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "task abort: raid volume (sc=%p)\n",
+ ioc->name, SCpnt));
+ SCpnt->result = DID_RESET << 16;
+ retval = FAILED;
+ goto out;
+ }
+
+ /* Find this command
+ */
+ if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
+ /* Cmd not found in ScsiLookup.
+ * Do OS callback.
+ */
+ SCpnt->result = DID_RESET << 16;
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
+ "Command not in the active list! (sc=%p)\n", ioc->name,
+ SCpnt));
+ retval = SUCCESS;
+ goto out;
+ }
+
+ if (ioc->timeouts < -1)
+ ioc->timeouts++;
+
+ if (mpt_fwfault_debug)
+ mpt_halt_firmware(ioc);
+
+ /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
+ * (the IO to be ABORT'd)
+ *
+ * NOTE: Since we do not byteswap MsgContext, we do not
+ * swap it here either. It is an opaque cookie to
+ * the controller, so it does not matter. -DaveM
+ */
+ mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
+ ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
+ retval = mptscsih_IssueTaskMgmt(hd,
+ MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
+ vdevice->vtarget->channel,
+ vdevice->vtarget->id, vdevice->lun,
+ ctx2abort, mptscsih_get_tm_timeout(ioc));
+
+ if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "task abort: command still in active list! (sc=%p)\n",
+ ioc->name, SCpnt));
+ retval = FAILED;
+ } else {
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "task abort: command cleared from active list! (sc=%p)\n",
+ ioc->name, SCpnt));
+ retval = SUCCESS;
+ }
+
+ out:
+ printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
+ ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
+ SCpnt);
+
+ return retval;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
+ * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
+ *
+ * (linux scsi_host_template.eh_dev_reset_handler routine)
+ *
+ * Returns SUCCESS or FAILED.
+ **/
+int
+mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
+{
+ MPT_SCSI_HOST *hd;
+ int retval;
+ VirtDevice *vdevice;
+ MPT_ADAPTER *ioc;
+
+ /* If we can't locate our host adapter structure, return FAILED status.
+ */
+ if ((hd = shost_priv(SCpnt->device->host)) == NULL){
+ printk(KERN_ERR MYNAM ": target reset: "
+ "Can't locate host! (sc=%p)\n", SCpnt);
+ return FAILED;
+ }
+
+ ioc = hd->ioc;
+ printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
+ ioc->name, SCpnt);
+ scsi_print_command(SCpnt);
+
+ vdevice = SCpnt->device->hostdata;
+ if (!vdevice || !vdevice->vtarget) {
+ retval = 0;
+ goto out;
+ }
+
+ /* Target reset to hidden raid component is not supported
+ */
+ if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
+ retval = FAILED;
+ goto out;
+ }
+
+ retval = mptscsih_IssueTaskMgmt(hd,
+ MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
+ vdevice->vtarget->channel,
+ vdevice->vtarget->id, 0, 0,
+ mptscsih_get_tm_timeout(ioc));
+
+ out:
+ printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
+ ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+
+ if (retval == 0)
+ return SUCCESS;
+ else
+ return FAILED;
+}
+
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
+ * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
+ *
+ * (linux scsi_host_template.eh_bus_reset_handler routine)
+ *
+ * Returns SUCCESS or FAILED.
+ **/
+int
+mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
+{
+ MPT_SCSI_HOST *hd;
+ int retval;
+ VirtDevice *vdevice;
+ MPT_ADAPTER *ioc;
+
+ /* If we can't locate our host adapter structure, return FAILED status.
+ */
+ if ((hd = shost_priv(SCpnt->device->host)) == NULL){
+ printk(KERN_ERR MYNAM ": bus reset: "
+ "Can't locate host! (sc=%p)\n", SCpnt);
+ return FAILED;
+ }
+
+ ioc = hd->ioc;
+ printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
+ ioc->name, SCpnt);
+ scsi_print_command(SCpnt);
+
+ if (ioc->timeouts < -1)
+ ioc->timeouts++;
+
+ vdevice = SCpnt->device->hostdata;
+ if (!vdevice || !vdevice->vtarget)
+ return SUCCESS;
+ retval = mptscsih_IssueTaskMgmt(hd,
+ MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
+ vdevice->vtarget->channel, 0, 0, 0,
+ mptscsih_get_tm_timeout(ioc));
+
+ printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
+ ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+
+ if (retval == 0)
+ return SUCCESS;
+ else
+ return FAILED;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
+ * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
+ *
+ * (linux scsi_host_template.eh_host_reset_handler routine)
+ *
+ * Returns SUCCESS or FAILED.
+ */
+int
+mptscsih_host_reset(struct scsi_cmnd *SCpnt)
+{
+ MPT_SCSI_HOST * hd;
+ int status = SUCCESS;
+ MPT_ADAPTER *ioc;
+ int retval;
+
+ /* If we can't locate the host to reset, then we failed. */
+ if ((hd = shost_priv(SCpnt->device->host)) == NULL){
+ printk(KERN_ERR MYNAM ": host reset: "
+ "Can't locate host! (sc=%p)\n", SCpnt);
+ return FAILED;
+ }
+
+ /* make sure we have no outstanding commands at this stage */
+ mptscsih_flush_running_cmds(hd);
+
+ ioc = hd->ioc;
+ printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
+ ioc->name, SCpnt);
+
+ /* If our attempts to reset the host failed, then return a failed
+ * status. The host will be taken off line by the SCSI mid-layer.
+ */
+ retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
+ if (retval < 0)
+ status = FAILED;
+ else
+ status = SUCCESS;
+
+ printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
+ ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+
+ return status;
+}
+
+static int
+mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
+ SCSITaskMgmtReply_t *pScsiTmReply)
+{
+ u16 iocstatus;
+ u32 termination_count;
+ int retval;
+
+ if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
+ retval = FAILED;
+ goto out;
+ }
+
+ DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
+
+ iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
+ termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
+
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
+ "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
+ "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
+ pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
+ le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
+ termination_count));
+
+ if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
+ pScsiTmReply->ResponseCode)
+ mptscsih_taskmgmt_response_code(ioc,
+ pScsiTmReply->ResponseCode);
+
+ if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
+ retval = 0;
+ goto out;
+ }
+
+ retval = FAILED;
+ if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
+ if (termination_count == 1)
+ retval = 0;
+ goto out;
+ }
+
+ if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
+ iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
+ retval = 0;
+
+ out:
+ return retval;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+void
+mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
+{
+ char *desc;
+
+ switch (response_code) {
+ case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
+ desc = "The task completed.";
+ break;
+ case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
+ desc = "The IOC received an invalid frame status.";
+ break;
+ case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
+ desc = "The task type is not supported.";
+ break;
+ case MPI_SCSITASKMGMT_RSP_TM_FAILED:
+ desc = "The requested task failed.";
+ break;
+ case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
+ desc = "The task completed successfully.";
+ break;
+ case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
+ desc = "The LUN request is invalid.";
+ break;
+ case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
+ desc = "The task is in the IOC queue and has not been sent to target.";
+ break;
+ default:
+ desc = "unknown";
+ break;
+ }
+ printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
+ ioc->name, response_code, desc);
+}
+EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @mf: Pointer to SCSI task mgmt request frame
+ * @mr: Pointer to SCSI task mgmt reply frame
+ *
+ * This routine is called from mptbase.c::mpt_interrupt() at the completion
+ * of any SCSI task management request.
+ * This routine is registered with the MPT (base) driver at driver
+ * load/init time via the mpt_register() API call.
+ *
+ * Returns 1 indicating alloc'd request frame ptr should be freed.
+ **/
+int
+mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
+ MPT_FRAME_HDR *mr)
+{
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
+
+ ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
+
+ if (!mr)
+ goto out;
+
+ ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
+ memcpy(ioc->taskmgmt_cmds.reply, mr,
+ min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
+ out:
+ if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
+ mpt_clear_taskmgmt_in_progress_flag(ioc);
+ ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
+ complete(&ioc->taskmgmt_cmds.done);
+ if (ioc->bus_type == SAS)
+ ioc->schedule_target_reset(ioc);
+ return 1;
+ }
+ return 0;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * This is anyones guess quite frankly.
+ */
+int
+mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
+ sector_t capacity, int geom[])
+{
+ int heads;
+ int sectors;
+ sector_t cylinders;
+ ulong dummy;
+
+ heads = 64;
+ sectors = 32;
+
+ dummy = heads * sectors;
+ cylinders = capacity;
+ sector_div(cylinders,dummy);
+
+ /*
+ * Handle extended translation size for logical drives
+ * > 1Gb
+ */
+ if ((ulong)capacity >= 0x200000) {
+ heads = 255;
+ sectors = 63;
+ dummy = heads * sectors;
+ cylinders = capacity;
+ sector_div(cylinders,dummy);
+ }
+
+ /* return result */
+ geom[0] = heads;
+ geom[1] = sectors;
+ geom[2] = cylinders;
+
+ return 0;
+}
+
+/* Search IOC page 3 to determine if this is hidden physical disk
+ *
+ */
+int
+mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
+{
+ struct inactive_raid_component_info *component_info;
+ int i, j;
+ RaidPhysDiskPage1_t *phys_disk;
+ int rc = 0;
+ int num_paths;
+
+ if (!ioc->raid_data.pIocPg3)
+ goto out;
+ for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
+ if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
+ (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
+ rc = 1;
+ goto out;
+ }
+ }
+
+ if (ioc->bus_type != SAS)
+ goto out;
+
+ /*
+ * Check if dual path
+ */
+ for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
+ num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
+ ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
+ if (num_paths < 2)
+ continue;
+ phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
+ (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
+ if (!phys_disk)
+ continue;
+ if ((mpt_raid_phys_disk_pg1(ioc,
+ ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
+ phys_disk))) {
+ kfree(phys_disk);
+ continue;
+ }
+ for (j = 0; j < num_paths; j++) {
+ if ((phys_disk->Path[j].Flags &
+ MPI_RAID_PHYSDISK1_FLAG_INVALID))
+ continue;
+ if ((phys_disk->Path[j].Flags &
+ MPI_RAID_PHYSDISK1_FLAG_BROKEN))
+ continue;
+ if ((id == phys_disk->Path[j].PhysDiskID) &&
+ (channel == phys_disk->Path[j].PhysDiskBus)) {
+ rc = 1;
+ kfree(phys_disk);
+ goto out;
+ }
+ }
+ kfree(phys_disk);
+ }
+
+
+ /*
+ * Check inactive list for matching phys disks
+ */
+ if (list_empty(&ioc->raid_data.inactive_list))
+ goto out;
+
+ mutex_lock(&ioc->raid_data.inactive_list_mutex);
+ list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
+ list) {
+ if ((component_info->d.PhysDiskID == id) &&
+ (component_info->d.PhysDiskBus == channel))
+ rc = 1;
+ }
+ mutex_unlock(&ioc->raid_data.inactive_list_mutex);
+
+ out:
+ return rc;
+}
+EXPORT_SYMBOL(mptscsih_is_phys_disk);
+
+u8
+mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
+{
+ struct inactive_raid_component_info *component_info;
+ int i, j;
+ RaidPhysDiskPage1_t *phys_disk;
+ int rc = -ENXIO;
+ int num_paths;
+
+ if (!ioc->raid_data.pIocPg3)
+ goto out;
+ for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
+ if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
+ (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
+ rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
+ goto out;
+ }
+ }
+
+ if (ioc->bus_type != SAS)
+ goto out;
+
+ /*
+ * Check if dual path
+ */
+ for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
+ num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
+ ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
+ if (num_paths < 2)
+ continue;
+ phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
+ (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
+ if (!phys_disk)
+ continue;
+ if ((mpt_raid_phys_disk_pg1(ioc,
+ ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
+ phys_disk))) {
+ kfree(phys_disk);
+ continue;
+ }
+ for (j = 0; j < num_paths; j++) {
+ if ((phys_disk->Path[j].Flags &
+ MPI_RAID_PHYSDISK1_FLAG_INVALID))
+ continue;
+ if ((phys_disk->Path[j].Flags &
+ MPI_RAID_PHYSDISK1_FLAG_BROKEN))
+ continue;
+ if ((id == phys_disk->Path[j].PhysDiskID) &&
+ (channel == phys_disk->Path[j].PhysDiskBus)) {
+ rc = phys_disk->PhysDiskNum;
+ kfree(phys_disk);
+ goto out;
+ }
+ }
+ kfree(phys_disk);
+ }
+
+ /*
+ * Check inactive list for matching phys disks
+ */
+ if (list_empty(&ioc->raid_data.inactive_list))
+ goto out;
+
+ mutex_lock(&ioc->raid_data.inactive_list_mutex);
+ list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
+ list) {
+ if ((component_info->d.PhysDiskID == id) &&
+ (component_info->d.PhysDiskBus == channel))
+ rc = component_info->d.PhysDiskNum;
+ }
+ mutex_unlock(&ioc->raid_data.inactive_list_mutex);
+
+ out:
+ return rc;
+}
+EXPORT_SYMBOL(mptscsih_raid_id_to_num);
+
+/*
+ * OS entry point to allow for host driver to free allocated memory
+ * Called if no device present or device being unloaded
+ */
+void
+mptscsih_slave_destroy(struct scsi_device *sdev)
+{
+ struct Scsi_Host *host = sdev->host;
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ VirtTarget *vtarget;
+ VirtDevice *vdevice;
+ struct scsi_target *starget;
+
+ starget = scsi_target(sdev);
+ vtarget = starget->hostdata;
+ vdevice = sdev->hostdata;
+ if (!vdevice)
+ return;
+
+ mptscsih_search_running_cmds(hd, vdevice);
+ vtarget->num_luns--;
+ mptscsih_synchronize_cache(hd, vdevice);
+ kfree(vdevice);
+ sdev->hostdata = NULL;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_change_queue_depth - This function will set a devices queue depth
+ * @sdev: per scsi_device pointer
+ * @qdepth: requested queue depth
+ *
+ * Adding support for new 'change_queue_depth' api.
+*/
+int
+mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
+{
+ MPT_SCSI_HOST *hd = shost_priv(sdev->host);
+ VirtTarget *vtarget;
+ struct scsi_target *starget;
+ int max_depth;
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ starget = scsi_target(sdev);
+ vtarget = starget->hostdata;
+
+ if (ioc->bus_type == SPI) {
+ if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
+ max_depth = 1;
+ else if (sdev->type == TYPE_DISK &&
+ vtarget->minSyncFactor <= MPT_ULTRA160)
+ max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
+ else
+ max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
+ } else
+ max_depth = ioc->sh->can_queue;
+
+ if (!sdev->tagged_supported)
+ max_depth = 1;
+
+ if (qdepth > max_depth)
+ qdepth = max_depth;
+
+ return scsi_change_queue_depth(sdev, qdepth);
+}
+
+/*
+ * OS entry point to adjust the queue_depths on a per-device basis.
+ * Called once per device the bus scan. Use it to force the queue_depth
+ * member to 1 if a device does not support Q tags.
+ * Return non-zero if fails.
+ */
+int
+mptscsih_slave_configure(struct scsi_device *sdev)
+{
+ struct Scsi_Host *sh = sdev->host;
+ VirtTarget *vtarget;
+ VirtDevice *vdevice;
+ struct scsi_target *starget;
+ MPT_SCSI_HOST *hd = shost_priv(sh);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ starget = scsi_target(sdev);
+ vtarget = starget->hostdata;
+ vdevice = sdev->hostdata;
+
+ dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "device @ %p, channel=%d, id=%d, lun=%llu\n",
+ ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
+ if (ioc->bus_type == SPI)
+ dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "sdtr %d wdtr %d ppr %d inq length=%d\n",
+ ioc->name, sdev->sdtr, sdev->wdtr,
+ sdev->ppr, sdev->inquiry_len));
+
+ vdevice->configured_lun = 1;
+
+ dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "Queue depth=%d, tflags=%x\n",
+ ioc->name, sdev->queue_depth, vtarget->tflags));
+
+ if (ioc->bus_type == SPI)
+ dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
+ ioc->name, vtarget->negoFlags, vtarget->maxOffset,
+ vtarget->minSyncFactor));
+
+ mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
+ dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "tagged %d, simple %d\n",
+ ioc->name,sdev->tagged_supported, sdev->simple_tags));
+
+ blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
+
+ return 0;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * Private routines...
+ */
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* Utility function to copy sense data from the scsi_cmnd buffer
+ * to the FC and SCSI target structures.
+ *
+ */
+static void
+mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
+{
+ VirtDevice *vdevice;
+ SCSIIORequest_t *pReq;
+ u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ /* Get target structure
+ */
+ pReq = (SCSIIORequest_t *) mf;
+ vdevice = sc->device->hostdata;
+
+ if (sense_count) {
+ u8 *sense_data;
+ int req_index;
+
+ /* Copy the sense received into the scsi command block. */
+ req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
+ sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
+ memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
+
+ /* Log SMART data (asc = 0x5D, non-IM case only) if required.
+ */
+ if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
+ if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
+ int idx;
+
+ idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
+ ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
+ ioc->events[idx].eventContext = ioc->eventContext;
+
+ ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
+ (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
+ (sc->device->channel << 8) | sc->device->id;
+
+ ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
+
+ ioc->eventContext++;
+ if (ioc->pcidev->vendor ==
+ PCI_VENDOR_ID_IBM) {
+ mptscsih_issue_sep_command(ioc,
+ vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
+ vdevice->vtarget->tflags |=
+ MPT_TARGET_FLAGS_LED_ON;
+ }
+ }
+ }
+ } else {
+ dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
+ ioc->name));
+ }
+}
+
+/**
+ * mptscsih_get_scsi_lookup - retrieves scmd entry
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @i: index into the array
+ *
+ * Returns the scsi_cmd pointer
+ */
+struct scsi_cmnd *
+mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
+{
+ unsigned long flags;
+ struct scsi_cmnd *scmd;
+
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ scmd = ioc->ScsiLookup[i];
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+
+ return scmd;
+}
+EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
+
+/**
+ * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @i: index into the array
+ *
+ * Returns the scsi_cmd pointer
+ *
+ **/
+static struct scsi_cmnd *
+mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
+{
+ unsigned long flags;
+ struct scsi_cmnd *scmd;
+
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ scmd = ioc->ScsiLookup[i];
+ ioc->ScsiLookup[i] = NULL;
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+
+ return scmd;
+}
+
+/**
+ * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
+ *
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @i: index into the array
+ * @scmd: scsi_cmnd pointer
+ *
+ **/
+static void
+mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ ioc->ScsiLookup[i] = scmd;
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+}
+
+/**
+ * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @sc: scsi_cmnd pointer
+ */
+static int
+SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
+{
+ unsigned long flags;
+ int i, index=-1;
+
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ for (i = 0; i < ioc->req_depth; i++) {
+ if (ioc->ScsiLookup[i] == sc) {
+ index = i;
+ goto out;
+ }
+ }
+
+ out:
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+ return index;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+int
+mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
+{
+ MPT_SCSI_HOST *hd;
+
+ if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
+ return 0;
+
+ hd = shost_priv(ioc->sh);
+ switch (reset_phase) {
+ case MPT_IOC_SETUP_RESET:
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
+ break;
+ case MPT_IOC_PRE_RESET:
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
+ mptscsih_flush_running_cmds(hd);
+ break;
+ case MPT_IOC_POST_RESET:
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
+ if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
+ ioc->internal_cmds.status |=
+ MPT_MGMT_STATUS_DID_IOCRESET;
+ complete(&ioc->internal_cmds.done);
+ }
+ break;
+ default:
+ break;
+ }
+ return 1; /* currently means nothing really */
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+int
+mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
+{
+ u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
+
+ devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "MPT event (=%02Xh) routed to SCSI host driver!\n",
+ ioc->name, event));
+
+ if ((event == MPI_EVENT_IOC_BUS_RESET ||
+ event == MPI_EVENT_EXT_BUS_RESET) &&
+ (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
+ ioc->soft_resets++;
+
+ return 1; /* currently means nothing really */
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * Bus Scan and Domain Validation functionality ...
+ */
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * mptscsih_scandv_complete - Scan and DV callback routine registered
+ * to Fustion MPT (base) driver.
+ *
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @mf: Pointer to original MPT request frame
+ * @mr: Pointer to MPT reply frame (NULL if TurboReply)
+ *
+ * This routine is called from mpt.c::mpt_interrupt() at the completion
+ * of any SCSI IO request.
+ * This routine is registered with the Fusion MPT (base) driver at driver
+ * load/init time via the mpt_register() API call.
+ *
+ * Returns 1 indicating alloc'd request frame ptr should be freed.
+ *
+ * Remark: Sets a completion code and (possibly) saves sense data
+ * in the IOC member localReply structure.
+ * Used ONLY for DV and other internal commands.
+ */
+int
+mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
+ MPT_FRAME_HDR *reply)
+{
+ SCSIIORequest_t *pReq;
+ SCSIIOReply_t *pReply;
+ u8 cmd;
+ u16 req_idx;
+ u8 *sense_data;
+ int sz;
+
+ ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
+ ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
+ if (!reply)
+ goto out;
+
+ pReply = (SCSIIOReply_t *) reply;
+ pReq = (SCSIIORequest_t *) req;
+ ioc->internal_cmds.completion_code =
+ mptscsih_get_completion_code(ioc, req, reply);
+ ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
+ memcpy(ioc->internal_cmds.reply, reply,
+ min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
+ cmd = reply->u.hdr.Function;
+ if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
+ (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
+ (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
+ req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
+ sense_data = ((u8 *)ioc->sense_buf_pool +
+ (req_idx * MPT_SENSE_BUFFER_ALLOC));
+ sz = min_t(int, pReq->SenseBufferLength,
+ MPT_SENSE_BUFFER_ALLOC);
+ memcpy(ioc->internal_cmds.sense, sense_data, sz);
+ }
+ out:
+ if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
+ return 0;
+ ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
+ complete(&ioc->internal_cmds.done);
+ return 1;
+}
+
+
+/**
+ * mptscsih_get_completion_code - get completion code from MPT request
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @req: Pointer to original MPT request frame
+ * @reply: Pointer to MPT reply frame (NULL if TurboReply)
+ *
+ **/
+static int
+mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
+ MPT_FRAME_HDR *reply)
+{
+ SCSIIOReply_t *pReply;
+ MpiRaidActionReply_t *pr;
+ u8 scsi_status;
+ u16 status;
+ int completion_code;
+
+ pReply = (SCSIIOReply_t *)reply;
+ status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
+ scsi_status = pReply->SCSIStatus;
+
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
+ "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
+ scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
+
+ switch (status) {
+
+ case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
+ completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
+ break;
+
+ case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
+ case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
+ case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
+ case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
+ completion_code = MPT_SCANDV_DID_RESET;
+ break;
+
+ case MPI_IOCSTATUS_BUSY:
+ case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
+ completion_code = MPT_SCANDV_BUSY;
+ break;
+
+ case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
+ case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
+ case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
+ if (pReply->Function == MPI_FUNCTION_CONFIG) {
+ completion_code = MPT_SCANDV_GOOD;
+ } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
+ pr = (MpiRaidActionReply_t *)reply;
+ if (le16_to_cpu(pr->ActionStatus) ==
+ MPI_RAID_ACTION_ASTATUS_SUCCESS)
+ completion_code = MPT_SCANDV_GOOD;
+ else
+ completion_code = MPT_SCANDV_SOME_ERROR;
+ } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
+ completion_code = MPT_SCANDV_SENSE;
+ else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
+ if (req->u.scsireq.CDB[0] == INQUIRY)
+ completion_code = MPT_SCANDV_ISSUE_SENSE;
+ else
+ completion_code = MPT_SCANDV_DID_RESET;
+ } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
+ completion_code = MPT_SCANDV_DID_RESET;
+ else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
+ completion_code = MPT_SCANDV_DID_RESET;
+ else if (scsi_status == MPI_SCSI_STATUS_BUSY)
+ completion_code = MPT_SCANDV_BUSY;
+ else
+ completion_code = MPT_SCANDV_GOOD;
+ break;
+
+ case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
+ if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
+ completion_code = MPT_SCANDV_DID_RESET;
+ else
+ completion_code = MPT_SCANDV_SOME_ERROR;
+ break;
+ default:
+ completion_code = MPT_SCANDV_SOME_ERROR;
+ break;
+
+ } /* switch(status) */
+
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ " completionCode set to %08xh\n", ioc->name, completion_code));
+ return completion_code;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_do_cmd - Do internal command.
+ * @hd: MPT_SCSI_HOST pointer
+ * @io: INTERNAL_CMD pointer.
+ *
+ * Issue the specified internally generated command and do command
+ * specific cleanup. For bus scan / DV only.
+ * NOTES: If command is Inquiry and status is good,
+ * initialize a target structure, save the data
+ *
+ * Remark: Single threaded access only.
+ *
+ * Return:
+ * < 0 if an illegal command or no resources
+ *
+ * 0 if good
+ *
+ * > 0 if command complete but some type of completion error.
+ */
+static int
+mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
+{
+ MPT_FRAME_HDR *mf;
+ SCSIIORequest_t *pScsiReq;
+ int my_idx, ii, dir;
+ int timeout;
+ char cmdLen;
+ char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+ u8 cmd = io->cmd;
+ MPT_ADAPTER *ioc = hd->ioc;
+ int ret = 0;
+ unsigned long timeleft;
+ unsigned long flags;
+
+ /* don't send internal command during diag reset */
+ spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+ if (ioc->ioc_reset_in_progress) {
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+ dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: busy with host reset\n", ioc->name, __func__));
+ return MPT_SCANDV_BUSY;
+ }
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+
+ mutex_lock(&ioc->internal_cmds.mutex);
+
+ /* Set command specific information
+ */
+ switch (cmd) {
+ case INQUIRY:
+ cmdLen = 6;
+ dir = MPI_SCSIIO_CONTROL_READ;
+ CDB[0] = cmd;
+ CDB[4] = io->size;
+ timeout = 10;
+ break;
+
+ case TEST_UNIT_READY:
+ cmdLen = 6;
+ dir = MPI_SCSIIO_CONTROL_READ;
+ timeout = 10;
+ break;
+
+ case START_STOP:
+ cmdLen = 6;
+ dir = MPI_SCSIIO_CONTROL_READ;
+ CDB[0] = cmd;
+ CDB[4] = 1; /*Spin up the disk */
+ timeout = 15;
+ break;
+
+ case REQUEST_SENSE:
+ cmdLen = 6;
+ CDB[0] = cmd;
+ CDB[4] = io->size;
+ dir = MPI_SCSIIO_CONTROL_READ;
+ timeout = 10;
+ break;
+
+ case READ_BUFFER:
+ cmdLen = 10;
+ dir = MPI_SCSIIO_CONTROL_READ;
+ CDB[0] = cmd;
+ if (io->flags & MPT_ICFLAG_ECHO) {
+ CDB[1] = 0x0A;
+ } else {
+ CDB[1] = 0x02;
+ }
+
+ if (io->flags & MPT_ICFLAG_BUF_CAP) {
+ CDB[1] |= 0x01;
+ }
+ CDB[6] = (io->size >> 16) & 0xFF;
+ CDB[7] = (io->size >> 8) & 0xFF;
+ CDB[8] = io->size & 0xFF;
+ timeout = 10;
+ break;
+
+ case WRITE_BUFFER:
+ cmdLen = 10;
+ dir = MPI_SCSIIO_CONTROL_WRITE;
+ CDB[0] = cmd;
+ if (io->flags & MPT_ICFLAG_ECHO) {
+ CDB[1] = 0x0A;
+ } else {
+ CDB[1] = 0x02;
+ }
+ CDB[6] = (io->size >> 16) & 0xFF;
+ CDB[7] = (io->size >> 8) & 0xFF;
+ CDB[8] = io->size & 0xFF;
+ timeout = 10;
+ break;
+
+ case RESERVE:
+ cmdLen = 6;
+ dir = MPI_SCSIIO_CONTROL_READ;
+ CDB[0] = cmd;
+ timeout = 10;
+ break;
+
+ case RELEASE:
+ cmdLen = 6;
+ dir = MPI_SCSIIO_CONTROL_READ;
+ CDB[0] = cmd;
+ timeout = 10;
+ break;
+
+ case SYNCHRONIZE_CACHE:
+ cmdLen = 10;
+ dir = MPI_SCSIIO_CONTROL_READ;
+ CDB[0] = cmd;
+// CDB[1] = 0x02; /* set immediate bit */
+ timeout = 10;
+ break;
+
+ default:
+ /* Error Case */
+ ret = -EFAULT;
+ goto out;
+ }
+
+ /* Get and Populate a free Frame
+ * MsgContext set in mpt_get_msg_frame call
+ */
+ if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
+ dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
+ ioc->name, __func__));
+ ret = MPT_SCANDV_BUSY;
+ goto out;
+ }
+
+ pScsiReq = (SCSIIORequest_t *) mf;
+
+ /* Get the request index */
+ my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
+ ADD_INDEX_LOG(my_idx); /* for debug */
+
+ if (io->flags & MPT_ICFLAG_PHYS_DISK) {
+ pScsiReq->TargetID = io->physDiskNum;
+ pScsiReq->Bus = 0;
+ pScsiReq->ChainOffset = 0;
+ pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
+ } else {
+ pScsiReq->TargetID = io->id;
+ pScsiReq->Bus = io->channel;
+ pScsiReq->ChainOffset = 0;
+ pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
+ }
+
+ pScsiReq->CDBLength = cmdLen;
+ pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
+
+ pScsiReq->Reserved = 0;
+
+ pScsiReq->MsgFlags = mpt_msg_flags(ioc);
+ /* MsgContext set in mpt_get_msg_fram call */
+
+ int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
+
+ if (io->flags & MPT_ICFLAG_TAGGED_CMD)
+ pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
+ else
+ pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
+
+ if (cmd == REQUEST_SENSE) {
+ pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
+ }
+
+ for (ii = 0; ii < 16; ii++)
+ pScsiReq->CDB[ii] = CDB[ii];
+
+ pScsiReq->DataLength = cpu_to_le32(io->size);
+ pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
+ + (my_idx * MPT_SENSE_BUFFER_ALLOC));
+
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
+ ioc->name, __func__, cmd, io->channel, io->id, io->lun));
+
+ if (dir == MPI_SCSIIO_CONTROL_READ)
+ ioc->add_sge((char *) &pScsiReq->SGL,
+ MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
+ else
+ ioc->add_sge((char *) &pScsiReq->SGL,
+ MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
+
+ INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
+ mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
+ timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
+ timeout*HZ);
+ if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
+ ret = MPT_SCANDV_DID_RESET;
+ dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
+ cmd));
+ if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
+ mpt_free_msg_frame(ioc, mf);
+ goto out;
+ }
+ if (!timeleft) {
+ printk(MYIOC_s_WARN_FMT
+ "Issuing Reset from %s!! doorbell=0x%08xh"
+ " cmd=0x%02x\n",
+ ioc->name, __func__, mpt_GetIocState(ioc, 0),
+ cmd);
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
+ mpt_free_msg_frame(ioc, mf);
+ }
+ goto out;
+ }
+
+ ret = ioc->internal_cmds.completion_code;
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
+ ioc->name, __func__, ret));
+
+ out:
+ CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
+ mutex_unlock(&ioc->internal_cmds.mutex);
+ return ret;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
+ * @hd: Pointer to a SCSI HOST structure
+ * @vdevice: virtual target device
+ *
+ * Uses the ISR, but with special processing.
+ * MUST be single-threaded.
+ *
+ */
+static void
+mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
+{
+ INTERNAL_CMD iocmd;
+
+ /* Ignore hidden raid components, this is handled when the command
+ * is sent to the volume
+ */
+ if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
+ return;
+
+ if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
+ !vdevice->configured_lun)
+ return;
+
+ /* Following parameters will not change
+ * in this routine.
+ */
+ iocmd.cmd = SYNCHRONIZE_CACHE;
+ iocmd.flags = 0;
+ iocmd.physDiskNum = -1;
+ iocmd.data = NULL;
+ iocmd.data_dma = -1;
+ iocmd.size = 0;
+ iocmd.rsvd = iocmd.rsvd2 = 0;
+ iocmd.channel = vdevice->vtarget->channel;
+ iocmd.id = vdevice->vtarget->id;
+ iocmd.lun = vdevice->lun;
+
+ mptscsih_do_cmd(hd, &iocmd);
+}
+
+static ssize_t
+mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
+ (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
+ (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
+ (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
+ ioc->facts.FWVersion.Word & 0x000000FF);
+}
+static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
+
+static ssize_t
+mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+ (ioc->biosVersion & 0xFF000000) >> 24,
+ (ioc->biosVersion & 0x00FF0000) >> 16,
+ (ioc->biosVersion & 0x0000FF00) >> 8,
+ ioc->biosVersion & 0x000000FF);
+}
+static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
+
+static ssize_t
+mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
+}
+static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
+
+static ssize_t
+mptscsih_version_product_show(struct device *dev,
+ struct device_attribute *attr,
+char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
+}
+static DEVICE_ATTR(version_product, S_IRUGO,
+ mptscsih_version_product_show, NULL);
+
+static ssize_t
+mptscsih_version_nvdata_persistent_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%02xh\n",
+ ioc->nvdata_version_persistent);
+}
+static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
+ mptscsih_version_nvdata_persistent_show, NULL);
+
+static ssize_t
+mptscsih_version_nvdata_default_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
+}
+static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
+ mptscsih_version_nvdata_default_show, NULL);
+
+static ssize_t
+mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
+}
+static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
+
+static ssize_t
+mptscsih_board_assembly_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
+}
+static DEVICE_ATTR(board_assembly, S_IRUGO,
+ mptscsih_board_assembly_show, NULL);
+
+static ssize_t
+mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
+}
+static DEVICE_ATTR(board_tracer, S_IRUGO,
+ mptscsih_board_tracer_show, NULL);
+
+static ssize_t
+mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
+}
+static DEVICE_ATTR(io_delay, S_IRUGO,
+ mptscsih_io_delay_show, NULL);
+
+static ssize_t
+mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
+}
+static DEVICE_ATTR(device_delay, S_IRUGO,
+ mptscsih_device_delay_show, NULL);
+
+static ssize_t
+mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+
+ return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
+}
+static ssize_t
+mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct Scsi_Host *host = class_to_shost(dev);
+ MPT_SCSI_HOST *hd = shost_priv(host);
+ MPT_ADAPTER *ioc = hd->ioc;
+ int val = 0;
+
+ if (sscanf(buf, "%x", &val) != 1)
+ return -EINVAL;
+
+ ioc->debug_level = val;
+ printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
+ ioc->name, ioc->debug_level);
+ return strlen(buf);
+}
+static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
+ mptscsih_debug_level_show, mptscsih_debug_level_store);
+
+struct device_attribute *mptscsih_host_attrs[] = {
+ &dev_attr_version_fw,
+ &dev_attr_version_bios,
+ &dev_attr_version_mpi,
+ &dev_attr_version_product,
+ &dev_attr_version_nvdata_persistent,
+ &dev_attr_version_nvdata_default,
+ &dev_attr_board_name,
+ &dev_attr_board_assembly,
+ &dev_attr_board_tracer,
+ &dev_attr_io_delay,
+ &dev_attr_device_delay,
+ &dev_attr_debug_level,
+ NULL,
+};
+
+EXPORT_SYMBOL(mptscsih_host_attrs);
+
+EXPORT_SYMBOL(mptscsih_remove);
+EXPORT_SYMBOL(mptscsih_shutdown);
+#ifdef CONFIG_PM
+EXPORT_SYMBOL(mptscsih_suspend);
+EXPORT_SYMBOL(mptscsih_resume);
+#endif
+EXPORT_SYMBOL(mptscsih_show_info);
+EXPORT_SYMBOL(mptscsih_info);
+EXPORT_SYMBOL(mptscsih_qcmd);
+EXPORT_SYMBOL(mptscsih_slave_destroy);
+EXPORT_SYMBOL(mptscsih_slave_configure);
+EXPORT_SYMBOL(mptscsih_abort);
+EXPORT_SYMBOL(mptscsih_dev_reset);
+EXPORT_SYMBOL(mptscsih_bus_reset);
+EXPORT_SYMBOL(mptscsih_host_reset);
+EXPORT_SYMBOL(mptscsih_bios_param);
+EXPORT_SYMBOL(mptscsih_io_done);
+EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
+EXPORT_SYMBOL(mptscsih_scandv_complete);
+EXPORT_SYMBOL(mptscsih_event_process);
+EXPORT_SYMBOL(mptscsih_ioc_reset);
+EXPORT_SYMBOL(mptscsih_change_queue_depth);
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Code Review / kvmfornfv.git / blobdiff