diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/message/fusion/mptscsih.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/message/fusion/mptscsih.c | 3367 |
1 files changed, 0 insertions, 3367 deletions
diff --git a/ANDROID_3.4.5/drivers/message/fusion/mptscsih.c b/ANDROID_3.4.5/drivers/message/fusion/mptscsih.c deleted file mode 100644 index 0c3ced70..00000000 --- a/ANDROID_3.4.5/drivers/message/fusion/mptscsih.c +++ /dev/null @@ -1,3367 +0,0 @@ -/* - * 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, - int 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 = %d\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:%d] " - "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; - - 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:%d) 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) { - 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; -} - -struct info_str { - char *buffer; - int length; - int offset; - int pos; -}; - -static void -mptscsih_copy_mem_info(struct info_str *info, char *data, int len) -{ - if (info->pos + len > info->length) - len = info->length - info->pos; - - if (info->pos + len < info->offset) { - info->pos += len; - return; - } - - if (info->pos < info->offset) { - data += (info->offset - info->pos); - len -= (info->offset - info->pos); - } - - if (len > 0) { - memcpy(info->buffer + info->pos, data, len); - info->pos += len; - } -} - -static int -mptscsih_copy_info(struct info_str *info, char *fmt, ...) -{ - va_list args; - char buf[81]; - int len; - - va_start(args, fmt); - len = vsprintf(buf, fmt, args); - va_end(args); - - mptscsih_copy_mem_info(info, buf, len); - return len; -} - -static int -mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len) -{ - struct info_str info; - - info.buffer = pbuf; - info.length = len; - info.offset = offset; - info.pos = 0; - - mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name); - mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); - mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts); - mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth); - - return ((info.pos > info.offset) ? info.pos - info.offset : 0); -} - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/** - * mptscsih_proc_info - Return information about MPT adapter - * @host: scsi host struct - * @buffer: if write, user data; if read, buffer for user - * @start: returns the buffer address - * @offset: if write, 0; if read, the current offset into the buffer from - * the previous read. - * @length: if write, return length; - * @func: write = 1; read = 0 - * - * (linux scsi_host_template.info routine) - */ -int -mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, - int length, int func) -{ - MPT_SCSI_HOST *hd = shost_priv(host); - MPT_ADAPTER *ioc = hd->ioc; - int size = 0; - - if (func) { - /* - * write is not supported - */ - } else { - if (start) - *start = buffer; - - size = mptscsih_host_info(ioc, buffer, offset, length); - } - - return size; -} - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -#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 - * @done: Pointer SCSI mid-layer IO completion function - * - * (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, void (*done)(struct scsi_cmnd *)) -{ - 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; - SCpnt->scsi_done = done; - - dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n", - ioc->name, SCpnt, done)); - - 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 - && (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, int 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 - * @reason: calling context - * - * Adding support for new 'change_queue_depth' api. -*/ -int -mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) -{ - MPT_SCSI_HOST *hd = shost_priv(sdev->host); - VirtTarget *vtarget; - struct scsi_target *starget; - int max_depth; - int tagged; - MPT_ADAPTER *ioc = hd->ioc; - - starget = scsi_target(sdev); - vtarget = starget->hostdata; - - if (reason != SCSI_QDEPTH_DEFAULT) - return -EOPNOTSUPP; - - 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; - if (qdepth == 1) - tagged = 0; - else - tagged = MSG_SIMPLE_TAG; - - scsi_adjust_queue_depth(sdev, tagged, qdepth); - return sdev->queue_depth; -} - -/* - * 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=%d\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, - SCSI_QDEPTH_DEFAULT); - dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT - "tagged %d, simple %d, ordered %d\n", - ioc->name,sdev->tagged_supported, sdev->simple_tags, - sdev->ordered_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=%d\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_proc_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); - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |