| /* |
| * linux/drivers/message/fusion/mptscsih.c |
| * For use with LSI PCI chip/adapter(s) |
| * running LSI Fusion MPT (Message Passing Technology) firmware. |
| * |
| * Copyright (c) 1999-2007 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/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... |
| */ |
| 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); |
| static int mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd); |
| static int mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout ); |
| static int SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc); |
| |
| static 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); |
| |
| 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); |
| |
| 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) sizeof((scp)->sense_buffer) |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * mptscsih_add_sge - Place a simple SGE at address pAddr. |
| * @pAddr: virtual address for SGE |
| * @flagslength: SGE flags and data transfer length |
| * @dma_addr: Physical address |
| * |
| * This routine places a MPT request frame back on the MPT adapter's |
| * FreeQ. |
| */ |
| static inline void |
| mptscsih_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr) |
| { |
| if (sizeof(dma_addr_t) == sizeof(u64)) { |
| SGESimple64_t *pSge = (SGESimple64_t *) pAddr; |
| u32 tmp = dma_addr & 0xFFFFFFFF; |
| |
| pSge->FlagsLength = cpu_to_le32(flagslength); |
| pSge->Address.Low = cpu_to_le32(tmp); |
| tmp = (u32) ((u64)dma_addr >> 32); |
| pSge->Address.High = cpu_to_le32(tmp); |
| |
| } else { |
| SGESimple32_t *pSge = (SGESimple32_t *) pAddr; |
| pSge->FlagsLength = cpu_to_le32(flagslength); |
| pSge->Address = cpu_to_le32(dma_addr); |
| } |
| } /* mptscsih_add_sge() */ |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * mptscsih_add_chain - Place a chain SGE at address pAddr. |
| * @pAddr: virtual address for SGE |
| * @next: nextChainOffset value (u32's) |
| * @length: length of next SGL segment |
| * @dma_addr: Physical address |
| * |
| * This routine places a MPT request frame back on the MPT adapter's |
| * FreeQ. |
| */ |
| static inline void |
| mptscsih_add_chain(char *pAddr, u8 next, u16 length, dma_addr_t dma_addr) |
| { |
| if (sizeof(dma_addr_t) == sizeof(u64)) { |
| SGEChain64_t *pChain = (SGEChain64_t *) pAddr; |
| u32 tmp = dma_addr & 0xFFFFFFFF; |
| |
| pChain->Length = cpu_to_le16(length); |
| pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size(); |
| |
| pChain->NextChainOffset = next; |
| |
| pChain->Address.Low = cpu_to_le32(tmp); |
| tmp = (u32) ((u64)dma_addr >> 32); |
| pChain->Address.High = cpu_to_le32(tmp); |
| } else { |
| SGEChain32_t *pChain = (SGEChain32_t *) pAddr; |
| pChain->Length = cpu_to_le16(length); |
| pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size(); |
| pChain->NextChainOffset = next; |
| pChain->Address = cpu_to_le32(dma_addr); |
| } |
| } /* mptscsih_add_chain() */ |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * 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) / (sizeof(u32) + sizeof(dma_addr_t)) ); |
| numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots; |
| |
| sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | MPT_SGE_FLAGS_ADDRESSING | 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) { |
| sg ++; /* Get next SG element from the OS */ |
| sg_done++; |
| continue; |
| } |
| |
| v2 = sg_dma_address(sg); |
| mptscsih_add_sge(psge, sgflags | thisxfer, v2); |
| |
| sg++; /* Get next SG element from the OS */ |
| psge += (sizeof(u32) + sizeof(dma_addr_t)); |
| sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); |
| 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); |
| mptscsih_add_sge(psge, sgflags | thisxfer, v2); |
| /* |
| sg++; |
| psge += (sizeof(u32) + sizeof(dma_addr_t)); |
| */ |
| sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); |
| 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. |
| */ |
| mptscsih_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 - (sizeof(u32) + sizeof(dma_addr_t))); |
| 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 += (sizeof(u32) + sizeof(dma_addr_t)); |
| mptscsih_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,__FUNCTION__)); |
| 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\n", |
| ioc->name, pScsiReply->Bus, pScsiReply->TargetID); |
| 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 *vdev; |
| VirtTarget *vtarget; |
| |
| hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; |
| |
| 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; |
| if ((req_idx != req_idx_MR) || |
| (mf->u.frame.linkage.arg1 == 0xdeadbeaf)) { |
| printk(MYIOC_s_ERR_FMT "Received a mf that was already freed\n", |
| ioc->name); |
| printk (MYIOC_s_ERR_FMT |
| "req_idx=%x req_idx_MR=%x mf=%p mr=%p sc=%p\n", |
| ioc->name, req_idx, req_idx_MR, mf, mr, |
| hd->ScsiLookup[req_idx_MR]); |
| return 0; |
| } |
| |
| sc = hd->ScsiLookup[req_idx]; |
| hd->ScsiLookup[req_idx] = NULL; |
| 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; |
| } |
| |
| 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 */ |
| /* 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]++; |
| |
| vdev = sc->device->hostdata; |
| if (!vdev) |
| break; |
| vtarget = vdev->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) { |
| if ((log_info & SAS_LOGINFO_MASK) |
| == SAS_LOGINFO_NEXUS_LOSS) { |
| sc->result = (DID_BUS_BUSY << 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 */ |
| case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ |
| /* Linux handles an unsolicited DID_RESET better |
| * than an unsolicited DID_ABORT. |
| */ |
| 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) { |
| /* Have already saved the status and sense data |
| */ |
| ; |
| } else { |
| 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) { |
| /* |
| * 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_INSUFFICIENT_RESOURCES: /* 0x0006 */ |
| 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 */ |
| |
| /* 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. |
| */ |
| static void |
| mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) |
| { |
| MPT_ADAPTER *ioc = hd->ioc; |
| struct scsi_cmnd *SCpnt; |
| MPT_FRAME_HDR *mf; |
| int ii; |
| int max = ioc->req_depth; |
| |
| dprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": flush_ScsiLookup called\n", ioc->name)); |
| for (ii= 0; ii < max; ii++) { |
| if ((SCpnt = hd->ScsiLookup[ii]) != NULL) { |
| |
| /* Command found. |
| */ |
| |
| /* Null ScsiLookup index |
| */ |
| hd->ScsiLookup[ii] = NULL; |
| |
| mf = MPT_INDEX_2_MFPTR(ioc, ii); |
| dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": flush: ScsiDone (mf=%p,sc=%p)\n", |
| ioc->name, mf, SCpnt)); |
| |
| /* Free Chain buffers */ |
| mptscsih_freeChainBuffers(ioc, ii); |
| |
| /* Free Message frames */ |
| mpt_free_msg_frame(ioc, mf); |
| |
| if ((unsigned char *)mf != SCpnt->host_scribble) |
| continue; |
| |
| /* Set status, free OS resources (SG DMA buffers) |
| * Do OS callback |
| */ |
| scsi_dma_unmap(SCpnt); |
| |
| SCpnt->result = DID_RESET << 16; |
| SCpnt->host_scribble = NULL; |
| |
| SCpnt->scsi_done(SCpnt); /* Issue the command callback */ |
| } |
| } |
| |
| return; |
| } |
| |
| /* |
| * 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; |
| int max = hd->ioc->req_depth; |
| struct scsi_cmnd *sc; |
| struct scsi_lun lun; |
| |
| dsprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT ": search_running channel %d id %d lun %d max %d\n", |
| hd->ioc->name, vdevice->vtarget->channel, vdevice->vtarget->id, vdevice->lun, max)); |
| |
| for (ii=0; ii < max; ii++) { |
| if ((sc = hd->ScsiLookup[ii]) != NULL) { |
| |
| mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(hd->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; |
| |
| /* Cleanup |
| */ |
| hd->ScsiLookup[ii] = NULL; |
| mptscsih_freeChainBuffers(hd->ioc, ii); |
| mpt_free_msg_frame(hd->ioc, (MPT_FRAME_HDR *)mf); |
| if ((unsigned char *)mf != sc->host_scribble) |
| continue; |
| scsi_dma_unmap(sc); |
| sc->host_scribble = NULL; |
| sc->result = DID_NO_CONNECT << 16; |
| sdev_printk(MYIOC_s_INFO_FMT, sc->device, "completing cmds: fw_channel %d," |
| "fw_id %d, sc=%p, mf = %p, idx=%x\n", hd->ioc->name, vdevice->vtarget->channel, |
| vdevice->vtarget->id, sc, mf, ii); |
| sc->scsi_done(sc); |
| } |
| } |
| 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; |
| |
| if (sc->device == NULL) |
| return; |
| if (sc->device->host == NULL) |
| return; |
| if ((hd = (MPT_SCSI_HOST *)sc->device->host->hostdata) == NULL) |
| return; |
| |
| if (time - hd->last_queue_full > 10 * HZ) { |
| dprintk(hd->ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n", |
| hd->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; |
| |
| if(!host) { |
| mpt_detach(pdev); |
| return; |
| } |
| |
| scsi_remove_host(host); |
| |
| if((hd = (MPT_SCSI_HOST *)host->hostdata) == NULL) |
| return; |
| |
| mptscsih_shutdown(pdev); |
| |
| sz1=0; |
| |
| if (hd->ScsiLookup != NULL) { |
| sz1 = hd->ioc->req_depth * sizeof(void *); |
| kfree(hd->ScsiLookup); |
| hd->ScsiLookup = NULL; |
| } |
| |
| dprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT |
| "Free'd ScsiLookup (%d) memory\n", |
| hd->ioc->name, sz1)); |
| |
| kfree(hd->info_kbuf); |
| |
| /* NULL the Scsi_Host pointer |
| */ |
| hd->ioc->sh = NULL; |
| |
| scsi_host_put(host); |
| |
| mpt_detach(pdev); |
| |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * mptscsih_shutdown - reboot notifier |
| * |
| */ |
| void |
| mptscsih_shutdown(struct pci_dev *pdev) |
| { |
| MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
| struct Scsi_Host *host = ioc->sh; |
| MPT_SCSI_HOST *hd; |
| |
| if(!host) |
| return; |
| |
| hd = (MPT_SCSI_HOST *)host->hostdata; |
| |
| } |
| |
| #ifdef CONFIG_PM |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * mptscsih_suspend - Fusion MPT scsi driver suspend routine. |
| * |
| * |
| */ |
| int |
| mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) |
| { |
| mptscsih_shutdown(pdev); |
| return mpt_suspend(pdev,state); |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * mptscsih_resume - Fusion MPT scsi driver resume routine. |
| * |
| * |
| */ |
| int |
| mptscsih_resume(struct pci_dev *pdev) |
| { |
| return mpt_resume(pdev); |
| } |
| |
| #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 = (MPT_SCSI_HOST *)SChost->hostdata; |
| |
| 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 = (MPT_SCSI_HOST *)host->hostdata; |
| 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 *vdev = SCpnt->device->hostdata; |
| int lun; |
| u32 datalen; |
| u32 scsictl; |
| u32 scsidir; |
| u32 cmd_len; |
| int my_idx; |
| int ii; |
| MPT_ADAPTER *ioc; |
| |
| hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata; |
| ioc = hd->ioc; |
| lun = SCpnt->device->lun; |
| SCpnt->scsi_done = done; |
| |
| dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n", |
| ioc->name, SCpnt, done)); |
| |
| if (hd->resetPending) { |
| dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n", |
| ioc->name, SCpnt)); |
| return SCSI_MLQUEUE_HOST_BUSY; |
| } |
| |
| /* |
| * Put together a MPT SCSI request... |
| */ |
| if ((mf = mpt_get_msg_frame(hd->ioc->DoneCtx, hd->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 (vdev |
| && (vdev->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) |
| && (SCpnt->device->tagged_supported)) { |
| scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; |
| } else { |
| scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; |
| } |
| |
| /* Use the above information to set up the message frame |
| */ |
| pScsiReq->TargetID = (u8) vdev->vtarget->id; |
| pScsiReq->Bus = vdev->vtarget->channel; |
| pScsiReq->ChainOffset = 0; |
| if (vdev->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(); |
| 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(hd->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 */ |
| mptscsih_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(hd->ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) |
| goto fail; |
| } |
| |
| SCpnt->host_scribble = (unsigned char *)mf; |
| hd->ScsiLookup[my_idx] = SCpnt; |
| |
| mpt_put_msg_frame(hd->ioc->DoneCtx, hd->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: |
| hd->ScsiLookup[my_idx] = NULL; |
| mptscsih_freeChainBuffers(hd->ioc, my_idx); |
| mpt_free_msg_frame(hd->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_TMHandler - Generic handler for SCSI Task Management. |
| * @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 |
| * |
| * Fall through to mpt_HardResetHandler if: not operational, too many |
| * failed TM requests or handshake failure. |
| * |
| * Remark: Currently invoked from a non-interrupt thread (_bh). |
| * |
| * Remark: With old EH code, at most 1 SCSI TaskMgmt function per IOC |
| * will be active. |
| * |
| * Returns 0 for SUCCESS, or %FAILED. |
| **/ |
| int |
| mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout) |
| { |
| MPT_ADAPTER *ioc; |
| int rc = -1; |
| u32 ioc_raw_state; |
| unsigned long flags; |
| |
| ioc = hd->ioc; |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler Entered!\n", ioc->name)); |
| |
| // SJR - CHECKME - Can we avoid this here? |
| // (mpt_HardResetHandler has this check...) |
| spin_lock_irqsave(&ioc->diagLock, flags); |
| if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)) { |
| spin_unlock_irqrestore(&ioc->diagLock, flags); |
| return FAILED; |
| } |
| spin_unlock_irqrestore(&ioc->diagLock, flags); |
| |
| /* Wait a fixed amount of time for the TM pending flag to be cleared. |
| * If we time out and not bus reset, then we return a FAILED status |
| * to the caller. |
| * The call to mptscsih_tm_pending_wait() will set the pending flag |
| * if we are |
| * successful. Otherwise, reload the FW. |
| */ |
| if (mptscsih_tm_pending_wait(hd) == FAILED) { |
| if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler abort: " |
| "Timed out waiting for last TM (%d) to complete! \n", |
| ioc->name, hd->tmPending)); |
| return FAILED; |
| } else if (type == MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET) { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler target " |
| "reset: Timed out waiting for last TM (%d) " |
| "to complete! \n", ioc->name, |
| hd->tmPending)); |
| return FAILED; |
| } else if (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler bus reset: " |
| "Timed out waiting for last TM (%d) to complete! \n", |
| ioc->name, hd->tmPending)); |
| return FAILED; |
| } |
| } else { |
| spin_lock_irqsave(&hd->ioc->FreeQlock, flags); |
| hd->tmPending |= (1 << type); |
| spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| } |
| |
| ioc_raw_state = mpt_GetIocState(hd->ioc, 0); |
| |
| if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { |
| printk(MYIOC_s_WARN_FMT |
| "TM Handler for type=%x: IOC Not operational (0x%x)!\n", |
| ioc->name, type, ioc_raw_state); |
| printk(MYIOC_s_WARN_FMT " Issuing HardReset!!\n", ioc->name); |
| if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) |
| printk(MYIOC_s_WARN_FMT "TMHandler: HardReset " |
| "FAILED!!\n", ioc->name); |
| return FAILED; |
| } |
| |
| if (ioc_raw_state & MPI_DOORBELL_ACTIVE) { |
| printk(MYIOC_s_WARN_FMT |
| "TM Handler for type=%x: ioc_state: " |
| "DOORBELL_ACTIVE (0x%x)!\n", |
| ioc->name, type, ioc_raw_state); |
| return FAILED; |
| } |
| |
| /* Isse the Task Mgmt request. |
| */ |
| if (hd->hard_resets < -1) |
| hd->hard_resets++; |
| |
| rc = mptscsih_IssueTaskMgmt(hd, type, channel, id, lun, |
| ctx2abort, timeout); |
| if (rc) |
| printk(MYIOC_s_INFO_FMT "Issue of TaskMgmt failed!\n", |
| ioc->name); |
| else |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issue of TaskMgmt Successful!\n", |
| ioc->name)); |
| |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "TMHandler rc = %d!\n", ioc->name, rc)); |
| |
| return rc; |
| } |
| |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * 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. |
| * |
| **/ |
| static 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; |
| |
| /* Return Fail to calling function if no message frames available. |
| */ |
| if ((mf = mpt_get_msg_frame(hd->ioc->TaskCtx, hd->ioc)) == NULL) { |
| dfailprintk(hd->ioc, printk(MYIOC_s_ERR_FMT "IssueTaskMgmt, no msg frames!!\n", |
| hd->ioc->name)); |
| return FAILED; |
| } |
| dtmprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt request @ %p\n", |
| hd->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(hd->ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt: ctx2abort (0x%08x) " |
| "type=%d\n", hd->ioc->name, ctx2abort, type)); |
| |
| DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm); |
| |
| if ((hd->ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && |
| (hd->ioc->facts.MsgVersion >= MPI_VERSION_01_05)) |
| mpt_put_msg_frame_hi_pri(hd->ioc->TaskCtx, hd->ioc, mf); |
| else { |
| retval = mpt_send_handshake_request(hd->ioc->TaskCtx, hd->ioc, |
| sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); |
| if (retval) { |
| dfailprintk(hd->ioc, printk(MYIOC_s_ERR_FMT "send_handshake FAILED!" |
| " (hd %p, ioc %p, mf %p, rc=%d) \n", hd->ioc->name, hd, |
| hd->ioc, mf, retval)); |
| goto fail_out; |
| } |
| } |
| |
| if(mptscsih_tm_wait_for_completion(hd, timeout) == FAILED) { |
| dfailprintk(hd->ioc, printk(MYIOC_s_ERR_FMT "task management request TIMED OUT!" |
| " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd, |
| hd->ioc, mf)); |
| dtmprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n", |
| hd->ioc->name)); |
| retval = mpt_HardResetHandler(hd->ioc, CAN_SLEEP); |
| dtmprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "rc=%d \n", |
| hd->ioc->name, retval)); |
| goto fail_out; |
| } |
| |
| /* |
| * Handle success case, see if theres a non-zero ioc_status. |
| */ |
| if (hd->tm_iocstatus == MPI_IOCSTATUS_SUCCESS || |
| hd->tm_iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || |
| hd->tm_iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED) |
| retval = 0; |
| else |
| retval = FAILED; |
| |
| return retval; |
| |
| fail_out: |
| |
| /* |
| * Free task managment mf, and corresponding tm flags |
| */ |
| mpt_free_msg_frame(hd->ioc, mf); |
| hd->tmPending = 0; |
| hd->tmState = TM_STATE_NONE; |
| return FAILED; |
| } |
| |
| static int |
| mptscsih_get_tm_timeout(MPT_ADAPTER *ioc) |
| { |
| switch (ioc->bus_type) { |
| case FC: |
| return 40; |
| case SAS: |
| return 10; |
| case SPI: |
| default: |
| return 2; |
| } |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * 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; |
| ulong sn = SCpnt->serial_number; |
| MPT_ADAPTER *ioc; |
| |
| /* If we can't locate our host adapter structure, return FAILED status. |
| */ |
| if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == 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 = 0; |
| 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; |
| } |
| |
| /* Find this command |
| */ |
| if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(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 = 0; |
| goto out; |
| } |
| |
| if (hd->resetPending) { |
| retval = FAILED; |
| goto out; |
| } |
| |
| if (hd->timeouts < -1) |
| hd->timeouts++; |
| |
| /* 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(hd->ioc, scpnt_idx); |
| ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; |
| |
| hd->abortSCpnt = SCpnt; |
| |
| retval = mptscsih_TMHandler(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(SCpnt) == scpnt_idx && |
| SCpnt->serial_number == sn) |
| retval = FAILED; |
| |
| out: |
| printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n", |
| ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); |
| |
| if (retval == 0) |
| return SUCCESS; |
| else |
| return FAILED; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * 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 = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == 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); |
| |
| if (hd->resetPending) { |
| retval = FAILED; |
| goto out; |
| } |
| |
| 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_TMHandler(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 *vdev; |
| MPT_ADAPTER *ioc; |
| |
| /* If we can't locate our host adapter structure, return FAILED status. |
| */ |
| if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == 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 (hd->timeouts < -1) |
| hd->timeouts++; |
| |
| vdev = SCpnt->device->hostdata; |
| retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, |
| vdev->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 retval; |
| MPT_ADAPTER *ioc; |
| |
| /* If we can't locate the host to reset, then we failed. */ |
| if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){ |
| printk(KERN_ERR MYNAM ": host reset: " |
| "Can't locate host! (sc=%p)\n", SCpnt); |
| return FAILED; |
| } |
| |
| 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. |
| */ |
| if (mpt_HardResetHandler(hd->ioc, CAN_SLEEP) < 0) { |
| retval = FAILED; |
| } else { |
| /* Make sure TM pending is cleared and TM state is set to |
| * NONE. |
| */ |
| retval = 0; |
| hd->tmPending = 0; |
| hd->tmState = TM_STATE_NONE; |
| } |
| |
| printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n", |
| ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); |
| |
| return retval; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * mptscsih_tm_pending_wait - wait for pending task management request to complete |
| * @hd: Pointer to MPT host structure. |
| * |
| * Returns {SUCCESS,FAILED}. |
| */ |
| static int |
| mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd) |
| { |
| unsigned long flags; |
| int loop_count = 4 * 10; /* Wait 10 seconds */ |
| int status = FAILED; |
| |
| do { |
| spin_lock_irqsave(&hd->ioc->FreeQlock, flags); |
| if (hd->tmState == TM_STATE_NONE) { |
| hd->tmState = TM_STATE_IN_PROGRESS; |
| hd->tmPending = 1; |
| spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| status = SUCCESS; |
| break; |
| } |
| spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| msleep(250); |
| } while (--loop_count); |
| |
| return status; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * mptscsih_tm_wait_for_completion - wait for completion of TM task |
| * @hd: Pointer to MPT host structure. |
| * @timeout: timeout value |
| * |
| * Returns {SUCCESS,FAILED}. |
| */ |
| static int |
| mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout ) |
| { |
| unsigned long flags; |
| int loop_count = 4 * timeout; |
| int status = FAILED; |
| |
| do { |
| spin_lock_irqsave(&hd->ioc->FreeQlock, flags); |
| if(hd->tmPending == 0) { |
| status = SUCCESS; |
| spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| break; |
| } |
| spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| msleep(250); |
| } while (--loop_count); |
| |
| return status; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| static 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); |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * 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) |
| { |
| SCSITaskMgmtReply_t *pScsiTmReply; |
| SCSITaskMgmt_t *pScsiTmReq; |
| MPT_SCSI_HOST *hd; |
| unsigned long flags; |
| u16 iocstatus; |
| u8 tmType; |
| u32 termination_count; |
| |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed (mf=%p,mr=%p)\n", |
| ioc->name, mf, mr)); |
| if (!ioc->sh) { |
| dtmprintk(ioc, printk(MYIOC_s_WARN_FMT |
| "TaskMgmt Complete: NULL Scsi Host Ptr\n", ioc->name)); |
| return 1; |
| } |
| |
| if (mr == NULL) { |
| dtmprintk(ioc, printk(MYIOC_s_WARN_FMT |
| "ERROR! TaskMgmt Reply: NULL Request %p\n", ioc->name, mf)); |
| return 1; |
| } |
| |
| hd = (MPT_SCSI_HOST *)ioc->sh->hostdata; |
| pScsiTmReply = (SCSITaskMgmtReply_t*)mr; |
| pScsiTmReq = (SCSITaskMgmt_t*)mf; |
| tmType = pScsiTmReq->TaskType; |
| iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; |
| termination_count = le32_to_cpu(pScsiTmReply->TerminationCount); |
| |
| if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 && |
| pScsiTmReply->ResponseCode) |
| mptscsih_taskmgmt_response_code(ioc, |
| pScsiTmReply->ResponseCode); |
| DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply); |
| |
| #ifdef CONFIG_FUSION_LOGGING |
| if ((ioc->debug_level & MPT_DEBUG_REPLY) || |
| (ioc->debug_level & MPT_DEBUG_TM )) |
| printk("%s: ha=%d [%d:%d:0] task_type=0x%02X " |
| "iocstatus=0x%04X\n\tloginfo=0x%08X response_code=0x%02X " |
| "term_cmnds=%d\n", __FUNCTION__, ioc->id, pScsiTmReply->Bus, |
| pScsiTmReply->TargetID, pScsiTmReq->TaskType, |
| le16_to_cpu(pScsiTmReply->IOCStatus), |
| le32_to_cpu(pScsiTmReply->IOCLogInfo),pScsiTmReply->ResponseCode, |
| le32_to_cpu(pScsiTmReply->TerminationCount)); |
| #endif |
| if (!iocstatus) { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT " TaskMgmt SUCCESS\n", ioc->name)); |
| hd->abortSCpnt = NULL; |
| goto out; |
| } |
| |
| /* Error? (anything non-zero?) */ |
| |
| /* clear flags and continue. |
| */ |
| switch (tmType) { |
| |
| case MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK: |
| if (termination_count == 1) |
| iocstatus = MPI_IOCSTATUS_SCSI_TASK_TERMINATED; |
| hd->abortSCpnt = NULL; |
| break; |
| |
| case MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS: |
| |
| /* If an internal command is present |
| * or the TM failed - reload the FW. |
| * FC FW may respond FAILED to an ABORT |
| */ |
| if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED || |
| hd->cmdPtr) |
| if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) |
| printk(MYIOC_s_WARN_FMT " Firmware Reload FAILED!!\n", ioc->name); |
| break; |
| |
| case MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET: |
| default: |
| break; |
| } |
| |
| out: |
| spin_lock_irqsave(&ioc->FreeQlock, flags); |
| hd->tmPending = 0; |
| hd->tmState = TM_STATE_NONE; |
| hd->tm_iocstatus = iocstatus; |
| spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
| |
| return 1; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * 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; |
| int rc = 0; |
| |
| 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; |
| } |
| } |
| |
| /* |
| * Check inactive list for matching phys disks |
| */ |
| if (list_empty(&ioc->raid_data.inactive_list)) |
| goto out; |
| |
| down(&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; |
| } |
| up(&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; |
| int rc = -ENXIO; |
| |
| 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; |
| } |
| } |
| |
| /* |
| * Check inactive list for matching phys disks |
| */ |
| if (list_empty(&ioc->raid_data.inactive_list)) |
| goto out; |
| |
| down(&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; |
| } |
| up(&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 = (MPT_SCSI_HOST *)host->hostdata; |
| VirtTarget *vtarget; |
| VirtDevice *vdevice; |
| struct scsi_target *starget; |
| |
| starget = scsi_target(sdev); |
| vtarget = starget->hostdata; |
| vdevice = sdev->hostdata; |
| |
| mptscsih_search_running_cmds(hd, vdevice); |
| vtarget->num_luns--; |
| mptscsih_synchronize_cache(hd, vdevice); |
| kfree(vdevice); |
| sdev->hostdata = NULL; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * mptscsih_change_queue_depth - This function will set a devices queue depth |
| * @sdev: per scsi_device pointer |
| * @qdepth: requested queue depth |
| * |
| * Adding support for new 'change_queue_depth' api. |
| */ |
| int |
| mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth) |
| { |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)sdev->host->hostdata; |
| VirtTarget *vtarget; |
| struct scsi_target *starget; |
| int max_depth; |
| int tagged; |
| |
| starget = scsi_target(sdev); |
| vtarget = starget->hostdata; |
| |
| if (hd->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 = MPT_SCSI_CMD_PER_DEV_HIGH; |
| |
| 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 = (MPT_SCSI_HOST *)sh->hostdata; |
| |
| starget = scsi_target(sdev); |
| vtarget = starget->hostdata; |
| vdevice = sdev->hostdata; |
| |
| dsprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT |
| "device @ %p, channel=%d, id=%d, lun=%d\n", |
| hd->ioc->name, sdev, sdev->channel, sdev->id, sdev->lun)); |
| if (hd->ioc->bus_type == SPI) |
| dsprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT |
| "sdtr %d wdtr %d ppr %d inq length=%d\n", |
| hd->ioc->name, sdev->sdtr, sdev->wdtr, |
| sdev->ppr, sdev->inquiry_len)); |
| |
| if (sdev->id > sh->max_id) { |
| /* error case, should never happen */ |
| scsi_adjust_queue_depth(sdev, 0, 1); |
| goto slave_configure_exit; |
| } |
| |
| vdevice->configured_lun = 1; |
| mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH); |
| |
| dsprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT |
| "Queue depth=%d, tflags=%x\n", |
| hd->ioc->name, sdev->queue_depth, vtarget->tflags)); |
| |
| if (hd->ioc->bus_type == SPI) |
| dsprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT |
| "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", |
| hd->ioc->name, vtarget->negoFlags, vtarget->maxOffset, |
| vtarget->minSyncFactor)); |
| |
| slave_configure_exit: |
| |
| dsprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT |
| "tagged %d, simple %d, ordered %d\n", |
| hd->ioc->name,sdev->tagged_supported, sdev->simple_tags, |
| sdev->ordered_tags)); |
| |
| 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 *vdev; |
| SCSIIORequest_t *pReq; |
| u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); |
| |
| /* Get target structure |
| */ |
| pReq = (SCSIIORequest_t *) mf; |
| vdev = 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 *)hd->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 ((hd->ioc->events) && (hd->ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { |
| if ((sense_data[12] == 0x5D) && (vdev->vtarget->raidVolume == 0)) { |
| int idx; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| 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 (hd->ioc->pcidev->vendor == |
| PCI_VENDOR_ID_IBM) { |
| mptscsih_issue_sep_command(hd->ioc, |
| vdev->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); |
| vdev->vtarget->tflags |= |
| MPT_TARGET_FLAGS_LED_ON; |
| } |
| } |
| } |
| } else { |
| dprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n", |
| hd->ioc->name)); |
| } |
| } |
| |
| static int |
| SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc) |
| { |
| MPT_SCSI_HOST *hd; |
| int i; |
| |
| hd = (MPT_SCSI_HOST *) sc->device->host->hostdata; |
| |
| for (i = 0; i < hd->ioc->req_depth; i++) { |
| if (hd->ScsiLookup[i] == sc) { |
| return i; |
| } |
| } |
| |
| return -1; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| int |
| mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) |
| { |
| MPT_SCSI_HOST *hd; |
| unsigned long flags; |
| int ii; |
| |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| ": IOC %s_reset routed to SCSI host driver!\n", |
| ioc->name, reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( |
| reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); |
| |
| /* If a FW reload request arrives after base installed but |
| * before all scsi hosts have been attached, then an alt_ioc |
| * may have a NULL sh pointer. |
| */ |
| if ((ioc->sh == NULL) || (ioc->sh->hostdata == NULL)) |
| return 0; |
| else |
| hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; |
| |
| if (reset_phase == MPT_IOC_SETUP_RESET) { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Setup-Diag Reset\n", ioc->name)); |
| |
| /* Clean Up: |
| * 1. Set Hard Reset Pending Flag |
| * All new commands go to doneQ |
| */ |
| hd->resetPending = 1; |
| |
| } else if (reset_phase == MPT_IOC_PRE_RESET) { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Diag Reset\n", ioc->name)); |
| |
| /* 2. Flush running commands |
| * Clean ScsiLookup (and associated memory) |
| * AND clean mytaskQ |
| */ |
| |
| /* 2b. Reply to OS all known outstanding I/O commands. |
| */ |
| mptscsih_flush_running_cmds(hd); |
| |
| /* 2c. If there was an internal command that |
| * has not completed, configuration or io request, |
| * free these resources. |
| */ |
| if (hd->cmdPtr) { |
| del_timer(&hd->timer); |
| mpt_free_msg_frame(ioc, hd->cmdPtr); |
| } |
| |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Reset complete.\n", ioc->name)); |
| |
| } else { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Diag Reset\n", ioc->name)); |
| |
| /* Once a FW reload begins, all new OS commands are |
| * redirected to the doneQ w/ a reset status. |
| * Init all control structures. |
| */ |
| |
| /* ScsiLookup initialization |
| */ |
| for (ii=0; ii < hd->ioc->req_depth; ii++) |
| hd->ScsiLookup[ii] = NULL; |
| |
| /* 2. Chain Buffer initialization |
| */ |
| |
| /* 4. Renegotiate to all devices, if SPI |
| */ |
| |
| /* 5. Enable new commands to be posted |
| */ |
| spin_lock_irqsave(&ioc->FreeQlock, flags); |
| hd->tmPending = 0; |
| spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
| hd->resetPending = 0; |
| hd->tmState = TM_STATE_NONE; |
| |
| /* 6. If there was an internal command, |
| * wake this process up. |
| */ |
| if (hd->cmdPtr) { |
| /* |
| * Wake up the original calling thread |
| */ |
| hd->pLocal = &hd->localReply; |
| hd->pLocal->completion = MPT_SCANDV_DID_RESET; |
| hd->scandv_wait_done = 1; |
| wake_up(&hd->scandv_waitq); |
| hd->cmdPtr = NULL; |
| } |
| |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Reset complete.\n", ioc->name)); |
| |
| } |
| |
| return 1; /* currently means nothing really */ |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| int |
| mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) |
| { |
| MPT_SCSI_HOST *hd; |
| 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 (ioc->sh == NULL || |
| ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL)) |
| return 1; |
| |
| switch (event) { |
| case MPI_EVENT_UNIT_ATTENTION: /* 03 */ |
| /* FIXME! */ |
| break; |
| case MPI_EVENT_IOC_BUS_RESET: /* 04 */ |
| case MPI_EVENT_EXT_BUS_RESET: /* 05 */ |
| if (hd && (ioc->bus_type == SPI) && (hd->soft_resets < -1)) |
| hd->soft_resets++; |
| break; |
| case MPI_EVENT_LOGOUT: /* 09 */ |
| /* FIXME! */ |
| break; |
| |
| case MPI_EVENT_RESCAN: /* 06 */ |
| break; |
| |
| /* |
| * CHECKME! Don't think we need to do |
| * anything for these, but... |
| */ |
| case MPI_EVENT_LINK_STATUS_CHANGE: /* 07 */ |
| case MPI_EVENT_LOOP_STATE_CHANGE: /* 08 */ |
| /* |
| * CHECKME! Falling thru... |
| */ |
| break; |
| |
| case MPI_EVENT_INTEGRATED_RAID: /* 0B */ |
| break; |
| |
| case MPI_EVENT_NONE: /* 00 */ |
| case MPI_EVENT_LOG_DATA: /* 01 */ |
| case MPI_EVENT_STATE_CHANGE: /* 02 */ |
| case MPI_EVENT_EVENT_CHANGE: /* 0A */ |
| default: |
| dprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": Ignoring event (=%02Xh)\n", |
| ioc->name, event)); |
| break; |
| } |
| |
| 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 *mf, MPT_FRAME_HDR *mr) |
| { |
| MPT_SCSI_HOST *hd; |
| SCSIIORequest_t *pReq; |
| int completionCode; |
| u16 req_idx; |
| |
| hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; |
| |
| if ((mf == NULL) || |
| (mf >= MPT_INDEX_2_MFPTR(ioc, ioc->req_depth))) { |
| printk(MYIOC_s_ERR_FMT |
| "ScanDvComplete, %s req frame ptr! (=%p)\n", |
| ioc->name, mf?"BAD":"NULL", (void *) mf); |
| goto wakeup; |
| } |
| |
| del_timer(&hd->timer); |
| req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
| hd->ScsiLookup[req_idx] = NULL; |
| pReq = (SCSIIORequest_t *) mf; |
| |
| if (mf != hd->cmdPtr) { |
| printk(MYIOC_s_WARN_FMT "ScanDvComplete (mf=%p, cmdPtr=%p, idx=%d)\n", |
| hd->ioc->name, (void *)mf, (void *) hd->cmdPtr, req_idx); |
| } |
| hd->cmdPtr = NULL; |
| |
| ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScanDvComplete (mf=%p,mr=%p,idx=%d)\n", |
| hd->ioc->name, mf, mr, req_idx)); |
| |
| hd->pLocal = &hd->localReply; |
| hd->pLocal->scsiStatus = 0; |
| |
| /* If target struct exists, clear sense valid flag. |
| */ |
| if (mr == NULL) { |
| completionCode = MPT_SCANDV_GOOD; |
| } else { |
| SCSIIOReply_t *pReply; |
| u16 status; |
| u8 scsi_status; |
| |
| pReply = (SCSIIOReply_t *) mr; |
| |
| status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; |
| scsi_status = pReply->SCSIStatus; |
| |
| |
| switch(status) { |
| |
| case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ |
| completionCode = 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 */ |
| completionCode = MPT_SCANDV_DID_RESET; |
| 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) { |
| ConfigReply_t *pr = (ConfigReply_t *)mr; |
| completionCode = MPT_SCANDV_GOOD; |
| hd->pLocal->header.PageVersion = pr->Header.PageVersion; |
| hd->pLocal->header.PageLength = pr->Header.PageLength; |
| hd->pLocal->header.PageNumber = pr->Header.PageNumber; |
| hd->pLocal->header.PageType = pr->Header.PageType; |
| |
| } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { |
| /* If the RAID Volume request is successful, |
| * return GOOD, else indicate that |
| * some type of error occurred. |
| */ |
| MpiRaidActionReply_t *pr = (MpiRaidActionReply_t *)mr; |
| if (le16_to_cpu(pr->ActionStatus) == MPI_RAID_ACTION_ASTATUS_SUCCESS) |
| completionCode = MPT_SCANDV_GOOD; |
| else |
| completionCode = MPT_SCANDV_SOME_ERROR; |
| memcpy(hd->pLocal->sense, pr, sizeof(hd->pLocal->sense)); |
| |
| } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { |
| u8 *sense_data; |
| int sz; |
| |
| /* save sense data in global structure |
| */ |
| completionCode = MPT_SCANDV_SENSE; |
| hd->pLocal->scsiStatus = scsi_status; |
| sense_data = ((u8 *)hd->ioc->sense_buf_pool + |
| (req_idx * MPT_SENSE_BUFFER_ALLOC)); |
| |
| sz = min_t(int, pReq->SenseBufferLength, |
| SCSI_STD_SENSE_BYTES); |
| memcpy(hd->pLocal->sense, sense_data, sz); |
| |
| ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Check Condition, sense ptr %p\n", |
| ioc->name, sense_data)); |
| } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { |
| if (pReq->CDB[0] == INQUIRY) |
| completionCode = MPT_SCANDV_ISSUE_SENSE; |
| else |
| completionCode = MPT_SCANDV_DID_RESET; |
| } |
| else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) |
| completionCode = MPT_SCANDV_DID_RESET; |
| else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) |
| completionCode = MPT_SCANDV_DID_RESET; |
| else { |
| completionCode = MPT_SCANDV_GOOD; |
| hd->pLocal->scsiStatus = scsi_status; |
| } |
| break; |
| |
| case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ |
| if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) |
| completionCode = MPT_SCANDV_DID_RESET; |
| else |
| completionCode = MPT_SCANDV_SOME_ERROR; |
| break; |
| |
| default: |
| completionCode = MPT_SCANDV_SOME_ERROR; |
| break; |
| |
| } /* switch(status) */ |
| |
| } /* end of address reply case */ |
| |
| hd->pLocal->completion = completionCode; |
| |
| /* MF and RF are freed in mpt_interrupt |
| */ |
| wakeup: |
| /* Free Chain buffers (will never chain) in scan or dv */ |
| //mptscsih_freeChainBuffers(ioc, req_idx); |
| |
| /* |
| * Wake up the original calling thread |
| */ |
| hd->scandv_wait_done = 1; |
| wake_up(&hd->scandv_waitq); |
| |
| return 1; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* mptscsih_timer_expired - Call back for timer process. |
| * Used only for dv functionality. |
| * @data: Pointer to MPT_SCSI_HOST recast as an unsigned long |
| * |
| */ |
| void |
| mptscsih_timer_expired(unsigned long data) |
| { |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) data; |
| |
| ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired! Cmd %p\n", hd->ioc->name, hd->cmdPtr)); |
| |
| if (hd->cmdPtr) { |
| MPIHeader_t *cmd = (MPIHeader_t *)hd->cmdPtr; |
| |
| if (cmd->Function == MPI_FUNCTION_SCSI_IO_REQUEST) { |
| /* Desire to issue a task management request here. |
| * TM requests MUST be single threaded. |
| * If old eh code and no TM current, issue request. |
| * If new eh code, do nothing. Wait for OS cmd timeout |
| * for bus reset. |
| */ |
| } else { |
| /* Perform a FW reload */ |
| if (mpt_HardResetHandler(hd->ioc, NO_SLEEP) < 0) { |
| printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", hd->ioc->name); |
| } |
| } |
| } else { |
| /* This should NEVER happen */ |
| printk(MYIOC_s_WARN_FMT "Null cmdPtr!!!!\n", hd->ioc->name); |
| } |
| |
| /* No more processing. |
| * TM call will generate an interrupt for SCSI TM Management. |
| * The FW will reply to all outstanding commands, callback will finish cleanup. |
| * Hard reset clean-up will free all resources. |
| */ |
| ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired Complete!\n", hd->ioc->name)); |
| |
| return; |
| } |
| |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * 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; |
| SCSIIORequest_t ReqCopy; |
| int my_idx, ii, dir; |
| int rc, cmdTimeout; |
| int in_isr; |
| char cmdLen; |
| char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; |
| char cmd = io->cmd; |
| |
| in_isr = in_interrupt(); |
| if (in_isr) { |
| dprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "Internal SCSI IO request not allowed in ISR context!\n", |
| hd->ioc->name)); |
| return -EPERM; |
| } |
| |
| |
| /* Set command specific information |
| */ |
| switch (cmd) { |
| case INQUIRY: |
| cmdLen = 6; |
| dir = MPI_SCSIIO_CONTROL_READ; |
| CDB[0] = cmd; |
| CDB[4] = io->size; |
| cmdTimeout = 10; |
| break; |
| |
| case TEST_UNIT_READY: |
| cmdLen = 6; |
| dir = MPI_SCSIIO_CONTROL_READ; |
| cmdTimeout = 10; |
| break; |
| |
| case START_STOP: |
| cmdLen = 6; |
| dir = MPI_SCSIIO_CONTROL_READ; |
| CDB[0] = cmd; |
| CDB[4] = 1; /*Spin up the disk */ |
| cmdTimeout = 15; |
| break; |
| |
| case REQUEST_SENSE: |
| cmdLen = 6; |
| CDB[0] = cmd; |
| CDB[4] = io->size; |
| dir = MPI_SCSIIO_CONTROL_READ; |
| cmdTimeout = 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; |
| cmdTimeout = 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; |
| cmdTimeout = 10; |
| break; |
| |
| case RESERVE: |
| cmdLen = 6; |
| dir = MPI_SCSIIO_CONTROL_READ; |
| CDB[0] = cmd; |
| cmdTimeout = 10; |
| break; |
| |
| case RELEASE: |
| cmdLen = 6; |
| dir = MPI_SCSIIO_CONTROL_READ; |
| CDB[0] = cmd; |
| cmdTimeout = 10; |
| break; |
| |
| case SYNCHRONIZE_CACHE: |
| cmdLen = 10; |
| dir = MPI_SCSIIO_CONTROL_READ; |
| CDB[0] = cmd; |
| // CDB[1] = 0x02; /* set immediate bit */ |
| cmdTimeout = 10; |
| break; |
| |
| default: |
| /* Error Case */ |
| return -EFAULT; |
| } |
| |
| /* Get and Populate a free Frame |
| */ |
| if ((mf = mpt_get_msg_frame(hd->ioc->InternalCtx, hd->ioc)) == NULL) { |
| dfailprintk(hd->ioc, printk(MYIOC_s_WARN_FMT "No msg frames!\n", |
| hd->ioc->name)); |
| return -EBUSY; |
| } |
| |
| 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(); |
| /* 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); |
| ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "Untagged! 0x%2x\n", |
| hd->ioc->name, cmd)); |
| } |
| |
| for (ii=0; ii < 16; ii++) |
| pScsiReq->CDB[ii] = CDB[ii]; |
| |
| pScsiReq->DataLength = cpu_to_le32(io->size); |
| pScsiReq->SenseBufferLowAddr = cpu_to_le32(hd->ioc->sense_buf_low_dma |
| + (my_idx * MPT_SENSE_BUFFER_ALLOC)); |
| |
| ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "Sending Command 0x%x for (%d:%d:%d)\n", |
| hd->ioc->name, cmd, io->channel, io->id, io->lun)); |
| |
| if (dir == MPI_SCSIIO_CONTROL_READ) { |
| mpt_add_sge((char *) &pScsiReq->SGL, |
| MPT_SGE_FLAGS_SSIMPLE_READ | io->size, |
| io->data_dma); |
| } else { |
| mpt_add_sge((char *) &pScsiReq->SGL, |
| MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, |
| io->data_dma); |
| } |
| |
| /* The ISR will free the request frame, but we need |
| * the information to initialize the target. Duplicate. |
| */ |
| memcpy(&ReqCopy, pScsiReq, sizeof(SCSIIORequest_t)); |
| |
| /* Issue this command after: |
| * finish init |
| * add timer |
| * Wait until the reply has been received |
| * ScsiScanDvCtx callback function will |
| * set hd->pLocal; |
| * set scandv_wait_done and call wake_up |
| */ |
| hd->pLocal = NULL; |
| hd->timer.expires = jiffies + HZ*cmdTimeout; |
| hd->scandv_wait_done = 0; |
| |
| /* Save cmd pointer, for resource free if timeout or |
| * FW reload occurs |
| */ |
| hd->cmdPtr = mf; |
| |
| add_timer(&hd->timer); |
| mpt_put_msg_frame(hd->ioc->InternalCtx, hd->ioc, mf); |
| wait_event(hd->scandv_waitq, hd->scandv_wait_done); |
| |
| if (hd->pLocal) { |
| rc = hd->pLocal->completion; |
| hd->pLocal->skip = 0; |
| |
| /* Always set fatal error codes in some cases. |
| */ |
| if (rc == MPT_SCANDV_SELECTION_TIMEOUT) |
| rc = -ENXIO; |
| else if (rc == MPT_SCANDV_SOME_ERROR) |
| rc = -rc; |
| } else { |
| rc = -EFAULT; |
| /* This should never happen. */ |
| ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "_do_cmd: Null pLocal!!!\n", |
| hd->ioc->name)); |
| } |
| |
| return rc; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * 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 class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| 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 CLASS_DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL); |
| |
| static ssize_t |
| mptscsih_version_bios_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| 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 CLASS_DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL); |
| |
| static ssize_t |
| mptscsih_version_mpi_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion); |
| } |
| static CLASS_DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL); |
| |
| static ssize_t |
| mptscsih_version_product_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name); |
| } |
| static CLASS_DEVICE_ATTR(version_product, S_IRUGO, |
| mptscsih_version_product_show, NULL); |
| |
| static ssize_t |
| mptscsih_version_nvdata_persistent_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%02xh\n", |
| ioc->nvdata_version_persistent); |
| } |
| static CLASS_DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, |
| mptscsih_version_nvdata_persistent_show, NULL); |
| |
| static ssize_t |
| mptscsih_version_nvdata_default_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default); |
| } |
| static CLASS_DEVICE_ATTR(version_nvdata_default, S_IRUGO, |
| mptscsih_version_nvdata_default_show, NULL); |
| |
| static ssize_t |
| mptscsih_board_name_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name); |
| } |
| static CLASS_DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL); |
| |
| static ssize_t |
| mptscsih_board_assembly_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly); |
| } |
| static CLASS_DEVICE_ATTR(board_assembly, S_IRUGO, |
| mptscsih_board_assembly_show, NULL); |
| |
| static ssize_t |
| mptscsih_board_tracer_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer); |
| } |
| static CLASS_DEVICE_ATTR(board_tracer, S_IRUGO, |
| mptscsih_board_tracer_show, NULL); |
| |
| static ssize_t |
| mptscsih_io_delay_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); |
| } |
| static CLASS_DEVICE_ATTR(io_delay, S_IRUGO, |
| mptscsih_io_delay_show, NULL); |
| |
| static ssize_t |
| mptscsih_device_delay_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); |
| } |
| static CLASS_DEVICE_ATTR(device_delay, S_IRUGO, |
| mptscsih_device_delay_show, NULL); |
| |
| static ssize_t |
| mptscsih_debug_level_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| MPT_ADAPTER *ioc = hd->ioc; |
| |
| return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level); |
| } |
| static ssize_t |
| mptscsih_debug_level_store(struct class_device *cdev, const char *buf, |
| size_t count) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| 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 CLASS_DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR, |
| mptscsih_debug_level_show, mptscsih_debug_level_store); |
| |
| struct class_device_attribute *mptscsih_host_attrs[] = { |
| &class_device_attr_version_fw, |
| &class_device_attr_version_bios, |
| &class_device_attr_version_mpi, |
| &class_device_attr_version_product, |
| &class_device_attr_version_nvdata_persistent, |
| &class_device_attr_version_nvdata_default, |
| &class_device_attr_board_name, |
| &class_device_attr_board_assembly, |
| &class_device_attr_board_tracer, |
| &class_device_attr_io_delay, |
| &class_device_attr_device_delay, |
| &class_device_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); |
| EXPORT_SYMBOL(mptscsih_timer_expired); |
| EXPORT_SYMBOL(mptscsih_TMHandler); |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |