diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_scsih.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_scsih.c | 617 |
1 files changed, 557 insertions, 60 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index d2064a0533a..f12e02358d6 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -233,6 +233,9 @@ static struct pci_device_id scsih_pci_table[] = { PCI_ANY_ID, PCI_ANY_ID }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, PCI_ANY_ID, PCI_ANY_ID }, + /* SSS6200 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, + PCI_ANY_ID, PCI_ANY_ID }, {0} /* Terminating entry */ }; MODULE_DEVICE_TABLE(pci, scsih_pci_table); @@ -1256,6 +1259,7 @@ _scsih_target_alloc(struct scsi_target *starget) sas_target_priv_data->handle = raid_device->handle; sas_target_priv_data->sas_address = raid_device->wwid; sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; + sas_target_priv_data->raid_device = raid_device; raid_device->starget = starget; } spin_unlock_irqrestore(&ioc->raid_device_lock, flags); @@ -1455,7 +1459,10 @@ static int _scsih_is_raid(struct device *dev) { struct scsi_device *sdev = to_scsi_device(dev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); + if (ioc->is_warpdrive) + return 0; return (sdev->channel == RAID_CHANNEL) ? 1 : 0; } @@ -1480,7 +1487,7 @@ _scsih_get_resync(struct device *dev) sdev->channel); spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - if (!raid_device) + if (!raid_device || ioc->is_warpdrive) goto out; if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, @@ -1640,6 +1647,212 @@ _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, kfree(vol_pg0); } +/** + * _scsih_disable_ddio - Disable direct I/O for all the volumes + * @ioc: per adapter object + */ +static void +_scsih_disable_ddio(struct MPT2SAS_ADAPTER *ioc) +{ + Mpi2RaidVolPage1_t vol_pg1; + Mpi2ConfigReply_t mpi_reply; + struct _raid_device *raid_device; + u16 handle; + u16 ioc_status; + + handle = 0xFFFF; + while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, + &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) + break; + handle = le16_to_cpu(vol_pg1.DevHandle); + raid_device = _scsih_raid_device_find_by_handle(ioc, handle); + if (raid_device) + raid_device->direct_io_enabled = 0; + } + return; +} + + +/** + * _scsih_get_num_volumes - Get number of volumes in the ioc + * @ioc: per adapter object + */ +static u8 +_scsih_get_num_volumes(struct MPT2SAS_ADAPTER *ioc) +{ + Mpi2RaidVolPage1_t vol_pg1; + Mpi2ConfigReply_t mpi_reply; + u16 handle; + u8 vol_cnt = 0; + u16 ioc_status; + + handle = 0xFFFF; + while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, + &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) + break; + vol_cnt++; + handle = le16_to_cpu(vol_pg1.DevHandle); + } + return vol_cnt; +} + + +/** + * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O. + * @ioc: per adapter object + * @raid_device: the raid_device object + */ +static void +_scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER *ioc, + struct _raid_device *raid_device) +{ + Mpi2RaidVolPage0_t *vol_pg0; + Mpi2RaidPhysDiskPage0_t pd_pg0; + Mpi2ConfigReply_t mpi_reply; + u16 sz; + u8 num_pds, count; + u64 mb = 1024 * 1024; + u64 tb_2 = 2 * mb * mb; + u64 capacity; + u32 stripe_sz; + u8 i, stripe_exp; + + if (!ioc->is_warpdrive) + return; + + if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "globally as drives are exposed\n", ioc->name); + return; + } + if (_scsih_get_num_volumes(ioc) > 1) { + _scsih_disable_ddio(ioc); + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "globally as number of drives > 1\n", ioc->name); + return; + } + if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, + &num_pds)) || !num_pds) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "Failure in computing number of drives\n", ioc->name); + return; + } + + sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * + sizeof(Mpi2RaidVol0PhysDisk_t)); + vol_pg0 = kzalloc(sz, GFP_KERNEL); + if (!vol_pg0) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "Memory allocation failure for RVPG0\n", ioc->name); + return; + } + + if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, + MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "Failure in retrieving RVPG0\n", ioc->name); + kfree(vol_pg0); + return; + } + + /* + * WARPDRIVE:If number of physical disks in a volume exceeds the max pds + * assumed for WARPDRIVE, disable direct I/O + */ + if (num_pds > MPT_MAX_WARPDRIVE_PDS) { + printk(MPT2SAS_WARN_FMT "WarpDrive : Direct IO is disabled " + "for the drive with handle(0x%04x): num_mem=%d, " + "max_mem_allowed=%d\n", ioc->name, raid_device->handle, + num_pds, MPT_MAX_WARPDRIVE_PDS); + kfree(vol_pg0); + return; + } + for (count = 0; count < num_pds; count++) { + if (mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, + &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, + vol_pg0->PhysDisk[count].PhysDiskNum) || + pd_pg0.DevHandle == MPT2SAS_INVALID_DEVICE_HANDLE) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is " + "disabled for the drive with handle(0x%04x) member" + "handle retrieval failed for member number=%d\n", + ioc->name, raid_device->handle, + vol_pg0->PhysDisk[count].PhysDiskNum); + goto out_error; + } + raid_device->pd_handle[count] = le16_to_cpu(pd_pg0.DevHandle); + } + + /* + * Assumption for WD: Direct I/O is not supported if the volume is + * not RAID0, if the stripe size is not 64KB, if the block size is + * not 512 and if the volume size is >2TB + */ + if (raid_device->volume_type != MPI2_RAID_VOL_TYPE_RAID0 || + le16_to_cpu(vol_pg0->BlockSize) != 512) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "for the drive with handle(0x%04x): type=%d, " + "s_sz=%uK, blk_size=%u\n", ioc->name, + raid_device->handle, raid_device->volume_type, + le32_to_cpu(vol_pg0->StripeSize)/2, + le16_to_cpu(vol_pg0->BlockSize)); + goto out_error; + } + + capacity = (u64) le16_to_cpu(vol_pg0->BlockSize) * + (le64_to_cpu(vol_pg0->MaxLBA) + 1); + + if (capacity > tb_2) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "for the drive with handle(0x%04x) since drive sz > 2TB\n", + ioc->name, raid_device->handle); + goto out_error; + } + + stripe_sz = le32_to_cpu(vol_pg0->StripeSize); + stripe_exp = 0; + for (i = 0; i < 32; i++) { + if (stripe_sz & 1) + break; + stripe_exp++; + stripe_sz >>= 1; + } + if (i == 32) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "for the drive with handle(0x%04x) invalid stripe sz %uK\n", + ioc->name, raid_device->handle, + le32_to_cpu(vol_pg0->StripeSize)/2); + goto out_error; + } + raid_device->stripe_exponent = stripe_exp; + raid_device->direct_io_enabled = 1; + + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is Enabled for the drive" + " with handle(0x%04x)\n", ioc->name, raid_device->handle); + /* + * WARPDRIVE: Though the following fields are not used for direct IO, + * stored for future purpose: + */ + raid_device->max_lba = le64_to_cpu(vol_pg0->MaxLBA); + raid_device->stripe_sz = le32_to_cpu(vol_pg0->StripeSize); + raid_device->block_sz = le16_to_cpu(vol_pg0->BlockSize); + + + kfree(vol_pg0); + return; + +out_error: + raid_device->direct_io_enabled = 0; + for (count = 0; count < num_pds; count++) + raid_device->pd_handle[count] = 0; + kfree(vol_pg0); + return; +} /** * _scsih_enable_tlr - setting TLR flags @@ -1710,6 +1923,11 @@ _scsih_slave_configure(struct scsi_device *sdev) _scsih_get_volume_capabilities(ioc, raid_device); + /* + * WARPDRIVE: Initialize the required data for Direct IO + */ + _scsih_init_warpdrive_properties(ioc, raid_device); + /* RAID Queue Depth Support * IS volume = underlying qdepth of drive type, either * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH @@ -1757,14 +1975,16 @@ _scsih_slave_configure(struct scsi_device *sdev) break; } - sdev_printk(KERN_INFO, sdev, "%s: " - "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n", - r_level, raid_device->handle, - (unsigned long long)raid_device->wwid, - raid_device->num_pds, ds); + if (!ioc->hide_ir_msg) + sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " + "wwid(0x%016llx), pd_count(%d), type(%s)\n", + r_level, raid_device->handle, + (unsigned long long)raid_device->wwid, + raid_device->num_pds, ds); _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); /* raid transport support */ - _scsih_set_level(sdev, raid_device); + if (!ioc->is_warpdrive) + _scsih_set_level(sdev, raid_device); return 0; } @@ -2133,8 +2353,7 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel, switch (type) { case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: scmd_lookup = _scsih_scsi_lookup_get(ioc, smid_task); - if (scmd_lookup && (scmd_lookup->serial_number == - scmd->serial_number)) + if (scmd_lookup) rc = FAILED; else rc = SUCCESS; @@ -2182,16 +2401,20 @@ _scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) struct MPT2SAS_TARGET *priv_target = starget->hostdata; struct _sas_device *sas_device = NULL; unsigned long flags; + char *device_str = NULL; if (!priv_target) return; + if (ioc->hide_ir_msg) + device_str = "WarpDrive"; + else + device_str = "volume"; scsi_print_command(scmd); if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { - starget_printk(KERN_INFO, starget, "volume handle(0x%04x), " - "volume wwid(0x%016llx)\n", - priv_target->handle, - (unsigned long long)priv_target->sas_address); + starget_printk(KERN_INFO, starget, "%s handle(0x%04x), " + "%s wwid(0x%016llx)\n", device_str, priv_target->handle, + device_str, (unsigned long long)priv_target->sas_address); } else { spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, @@ -3130,6 +3353,9 @@ _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc, a = 0; b = 0; + if (ioc->is_warpdrive) + return; + /* Volume Resets for Deleted or Removed */ element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; for (i = 0; i < event_data->NumElements; i++, element++) { @@ -3347,6 +3573,105 @@ _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) } /** + * _scsih_scsi_direct_io_get - returns direct io flag + * @ioc: per adapter object + * @smid: system request message index + * + * Returns the smid stored scmd pointer. + */ +static inline u8 +_scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) +{ + return ioc->scsi_lookup[smid - 1].direct_io; +} + +/** + * _scsih_scsi_direct_io_set - sets direct io flag + * @ioc: per adapter object + * @smid: system request message index + * @direct_io: Zero or non-zero value to set in the direct_io flag + * + * Returns Nothing. + */ +static inline void +_scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 direct_io) +{ + ioc->scsi_lookup[smid - 1].direct_io = direct_io; +} + + +/** + * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O + * @ioc: per adapter object + * @scmd: pointer to scsi command object + * @raid_device: pointer to raid device data structure + * @mpi_request: pointer to the SCSI_IO reqest message frame + * @smid: system request message index + * + * Returns nothing + */ +static void +_scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, + struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request, + u16 smid) +{ + u32 v_lba, p_lba, stripe_off, stripe_unit, column, io_size; + u32 stripe_sz, stripe_exp; + u8 num_pds, *cdb_ptr, *tmp_ptr, *lba_ptr1, *lba_ptr2; + u8 cdb0 = scmd->cmnd[0]; + + /* + * Try Direct I/O to RAID memeber disks + */ + if (cdb0 == READ_16 || cdb0 == READ_10 || + cdb0 == WRITE_16 || cdb0 == WRITE_10) { + cdb_ptr = mpi_request->CDB.CDB32; + + if ((cdb0 < READ_16) || !(cdb_ptr[2] | cdb_ptr[3] | cdb_ptr[4] + | cdb_ptr[5])) { + io_size = scsi_bufflen(scmd) >> 9; + /* get virtual lba */ + lba_ptr1 = lba_ptr2 = (cdb0 < READ_16) ? &cdb_ptr[2] : + &cdb_ptr[6]; + tmp_ptr = (u8 *)&v_lba + 3; + *tmp_ptr-- = *lba_ptr1++; + *tmp_ptr-- = *lba_ptr1++; + *tmp_ptr-- = *lba_ptr1++; + *tmp_ptr = *lba_ptr1; + + if (((u64)v_lba + (u64)io_size - 1) <= + (u32)raid_device->max_lba) { + stripe_sz = raid_device->stripe_sz; + stripe_exp = raid_device->stripe_exponent; + stripe_off = v_lba & (stripe_sz - 1); + + /* Check whether IO falls within a stripe */ + if ((stripe_off + io_size) <= stripe_sz) { + num_pds = raid_device->num_pds; + p_lba = v_lba >> stripe_exp; + stripe_unit = p_lba / num_pds; + column = p_lba % num_pds; + p_lba = (stripe_unit << stripe_exp) + + stripe_off; + mpi_request->DevHandle = + cpu_to_le16(raid_device-> + pd_handle[column]); + tmp_ptr = (u8 *)&p_lba + 3; + *lba_ptr2++ = *tmp_ptr--; + *lba_ptr2++ = *tmp_ptr--; + *lba_ptr2++ = *tmp_ptr--; + *lba_ptr2 = *tmp_ptr; + /* + * WD: To indicate this I/O is directI/O + */ + _scsih_scsi_direct_io_set(ioc, smid, 1); + } + } + } + } +} + +/** * _scsih_qcmd - main scsi request entry point * @scmd: pointer to scsi command object * @done: function pointer to be invoked on completion @@ -3363,6 +3688,7 @@ _scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); struct MPT2SAS_DEVICE *sas_device_priv_data; struct MPT2SAS_TARGET *sas_target_priv_data; + struct _raid_device *raid_device; Mpi2SCSIIORequest_t *mpi_request; u32 mpi_control; u16 smid; @@ -3424,8 +3750,10 @@ _scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) } else mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; - /* Make sure Device is not raid volume */ - if (!_scsih_is_raid(&scmd->device->sdev_gendev) && + /* Make sure Device is not raid volume. + * We do not expose raid functionality to upper layer for warpdrive. + */ + if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; @@ -3473,9 +3801,14 @@ _scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) } } + raid_device = sas_target_priv_data->raid_device; + if (raid_device && raid_device->direct_io_enabled) + _scsih_setup_direct_io(ioc, scmd, raid_device, mpi_request, + smid); + if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) mpt2sas_base_put_smid_scsi_io(ioc, smid, - sas_device_priv_data->sas_target->handle); + le16_to_cpu(mpi_request->DevHandle)); else mpt2sas_base_put_smid_default(ioc, smid); return 0; @@ -3540,10 +3873,16 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, unsigned long flags; struct scsi_target *starget = scmd->device->sdev_target; struct MPT2SAS_TARGET *priv_target = starget->hostdata; + char *device_str = NULL; if (!priv_target) return; + if (ioc->hide_ir_msg) + device_str = "WarpDrive"; + else + device_str = "volume"; + if (log_info == 0x31170000) return; @@ -3660,8 +3999,8 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, scsi_print_command(scmd); if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { - printk(MPT2SAS_WARN_FMT "\tvolume wwid(0x%016llx)\n", ioc->name, - (unsigned long long)priv_target->sas_address); + printk(MPT2SAS_WARN_FMT "\t%s wwid(0x%016llx)\n", ioc->name, + device_str, (unsigned long long)priv_target->sas_address); } else { spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, @@ -3840,6 +4179,20 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) scmd->result = DID_NO_CONNECT << 16; goto out; } + /* + * WARPDRIVE: If direct_io is set then it is directIO, + * the failed direct I/O should be redirected to volume + */ + if (_scsih_scsi_direct_io_get(ioc, smid)) { + _scsih_scsi_direct_io_set(ioc, smid, 0); + memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); + mpi_request->DevHandle = + cpu_to_le16(sas_device_priv_data->sas_target->handle); + mpt2sas_base_put_smid_scsi_io(ioc, smid, + sas_device_priv_data->sas_target->handle); + return 0; + } + /* turning off TLR */ scsi_state = mpi_reply->SCSIState; @@ -3848,7 +4201,10 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; if (!sas_device_priv_data->tlr_snoop_check) { sas_device_priv_data->tlr_snoop_check++; - if (!_scsih_is_raid(&scmd->device->sdev_gendev) && + /* Make sure Device is not raid volume. + * We do not expose raid functionality to upper layer for warpdrive. + */ + if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && sas_is_tlr_enabled(scmd->device) && response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { sas_disable_tlr(scmd->device); @@ -4681,8 +5037,10 @@ _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, _scsih_ublock_io_device(ioc, sas_device_backup.handle); - mpt2sas_transport_port_remove(ioc, sas_device_backup.sas_address, - sas_device_backup.sas_address_parent); + if (!ioc->hide_drives) + mpt2sas_transport_port_remove(ioc, + sas_device_backup.sas_address, + sas_device_backup.sas_address_parent); printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" "(0x%016llx)\n", ioc->name, sas_device_backup.handle, @@ -5413,6 +5771,7 @@ _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, &sas_device->volume_wwid); set_bit(handle, ioc->pd_handles); _scsih_reprobe_target(sas_device->starget, 1); + } /** @@ -5591,7 +5950,8 @@ _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data; #ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) + if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) + && !ioc->hide_ir_msg) _scsih_sas_ir_config_change_event_debug(ioc, event_data); #endif @@ -5614,16 +5974,20 @@ _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, le16_to_cpu(element->VolDevHandle)); break; case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: - _scsih_sas_pd_hide(ioc, element); + if (!ioc->is_warpdrive) + _scsih_sas_pd_hide(ioc, element); break; case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: - _scsih_sas_pd_expose(ioc, element); + if (!ioc->is_warpdrive) + _scsih_sas_pd_expose(ioc, element); break; case MPI2_EVENT_IR_CHANGE_RC_HIDE: - _scsih_sas_pd_add(ioc, element); + if (!ioc->is_warpdrive) + _scsih_sas_pd_add(ioc, element); break; case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: - _scsih_sas_pd_delete(ioc, element); + if (!ioc->is_warpdrive) + _scsih_sas_pd_delete(ioc, element); break; } } @@ -5654,9 +6018,10 @@ _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, handle = le16_to_cpu(event_data->VolDevHandle); state = le32_to_cpu(event_data->NewValue); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " - "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, - le32_to_cpu(event_data->PreviousValue), state)); + if (!ioc->hide_ir_msg) + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " + "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, + le32_to_cpu(event_data->PreviousValue), state)); switch (state) { case MPI2_RAID_VOL_STATE_MISSING: @@ -5736,9 +6101,10 @@ _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, handle = le16_to_cpu(event_data->PhysDiskDevHandle); state = le32_to_cpu(event_data->NewValue); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " - "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, - le32_to_cpu(event_data->PreviousValue), state)); + if (!ioc->hide_ir_msg) + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " + "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, + le32_to_cpu(event_data->PreviousValue), state)); switch (state) { case MPI2_RAID_PD_STATE_ONLINE: @@ -5747,7 +6113,8 @@ _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, case MPI2_RAID_PD_STATE_OPTIMAL: case MPI2_RAID_PD_STATE_HOT_SPARE: - set_bit(handle, ioc->pd_handles); + if (!ioc->is_warpdrive) + set_bit(handle, ioc->pd_handles); spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = _scsih_sas_device_find_by_handle(ioc, handle); @@ -5851,7 +6218,8 @@ _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, u16 handle; #ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) + if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) + && !ioc->hide_ir_msg) _scsih_sas_ir_operation_status_event_debug(ioc, event_data); #endif @@ -5910,7 +6278,7 @@ static void _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, u16 slot, u16 handle) { - struct MPT2SAS_TARGET *sas_target_priv_data; + struct MPT2SAS_TARGET *sas_target_priv_data = NULL; struct scsi_target *starget; struct _sas_device *sas_device; unsigned long flags; @@ -5918,7 +6286,7 @@ _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, spin_lock_irqsave(&ioc->sas_device_lock, flags); list_for_each_entry(sas_device, &ioc->sas_device_list, list) { if (sas_device->sas_address == sas_address && - sas_device->slot == slot && sas_device->starget) { + sas_device->slot == slot) { sas_device->responding = 1; starget = sas_device->starget; if (starget && starget->hostdata) { @@ -5927,13 +6295,15 @@ _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, sas_target_priv_data->deleted = 0; } else sas_target_priv_data = NULL; - starget_printk(KERN_INFO, sas_device->starget, - "handle(0x%04x), sas_addr(0x%016llx), enclosure " - "logical id(0x%016llx), slot(%d)\n", handle, - (unsigned long long)sas_device->sas_address, - (unsigned long long) - sas_device->enclosure_logical_id, - sas_device->slot); + if (starget) + starget_printk(KERN_INFO, starget, + "handle(0x%04x), sas_addr(0x%016llx), " + "enclosure logical id(0x%016llx), " + "slot(%d)\n", handle, + (unsigned long long)sas_device->sas_address, + (unsigned long long) + sas_device->enclosure_logical_id, + sas_device->slot); if (sas_device->handle == handle) goto out; printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", @@ -6025,6 +6395,12 @@ _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, starget_printk(KERN_INFO, raid_device->starget, "handle(0x%04x), wwid(0x%016llx)\n", handle, (unsigned long long)raid_device->wwid); + /* + * WARPDRIVE: The handles of the PDs might have changed + * across the host reset so re-initialize the + * required data for Direct IO + */ + _scsih_init_warpdrive_properties(ioc, raid_device); if (raid_device->handle == handle) goto out; printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", @@ -6086,18 +6462,20 @@ _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) } /* refresh the pd_handles */ - phys_disk_num = 0xFF; - memset(ioc->pd_handles, 0, ioc->pd_handles_sz); - while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, - &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, - phys_disk_num))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - break; - phys_disk_num = pd_pg0.PhysDiskNum; - handle = le16_to_cpu(pd_pg0.DevHandle); - set_bit(handle, ioc->pd_handles); + if (!ioc->is_warpdrive) { + phys_disk_num = 0xFF; + memset(ioc->pd_handles, 0, ioc->pd_handles_sz); + while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, + &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, + phys_disk_num))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) + break; + phys_disk_num = pd_pg0.PhysDiskNum; + handle = le16_to_cpu(pd_pg0.DevHandle); + set_bit(handle, ioc->pd_handles); + } } } @@ -6243,6 +6621,50 @@ _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc) } /** + * _scsih_hide_unhide_sas_devices - add/remove device to/from OS + * @ioc: per adapter object + * + * Return nothing. + */ +static void +_scsih_hide_unhide_sas_devices(struct MPT2SAS_ADAPTER *ioc) +{ + struct _sas_device *sas_device, *sas_device_next; + + if (!ioc->is_warpdrive || ioc->mfg_pg10_hide_flag != + MFG_PAGE10_HIDE_IF_VOL_PRESENT) + return; + + if (ioc->hide_drives) { + if (_scsih_get_num_volumes(ioc)) + return; + ioc->hide_drives = 0; + list_for_each_entry_safe(sas_device, sas_device_next, + &ioc->sas_device_list, list) { + if (!mpt2sas_transport_port_add(ioc, sas_device->handle, + sas_device->sas_address_parent)) { + _scsih_sas_device_remove(ioc, sas_device); + } else if (!sas_device->starget) { + mpt2sas_transport_port_remove(ioc, + sas_device->sas_address, + sas_device->sas_address_parent); + _scsih_sas_device_remove(ioc, sas_device); + } + } + } else { + if (!_scsih_get_num_volumes(ioc)) + return; + ioc->hide_drives = 1; + list_for_each_entry_safe(sas_device, sas_device_next, + &ioc->sas_device_list, list) { + mpt2sas_transport_port_remove(ioc, + sas_device->sas_address, + sas_device->sas_address_parent); + } + } +} + +/** * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) * @ioc: per adapter object * @reset_phase: phase @@ -6326,6 +6748,7 @@ _firmware_event_work(struct work_struct *work) spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); _scsih_remove_unresponding_sas_devices(ioc); + _scsih_hide_unhide_sas_devices(ioc); return; } @@ -6425,6 +6848,53 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, (Mpi2EventDataIrVolume_t *) mpi_reply->EventData); break; + case MPI2_EVENT_LOG_ENTRY_ADDED: + { + Mpi2EventDataLogEntryAdded_t *log_entry; + u32 *log_code; + + if (!ioc->is_warpdrive) + break; + + log_entry = (Mpi2EventDataLogEntryAdded_t *) + mpi_reply->EventData; + log_code = (u32 *)log_entry->LogData; + + if (le16_to_cpu(log_entry->LogEntryQualifier) + != MPT2_WARPDRIVE_LOGENTRY) + break; + + switch (le32_to_cpu(*log_code)) { + case MPT2_WARPDRIVE_LC_SSDT: + printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " + "IO Throttling has occurred in the WarpDrive " + "subsystem. Check WarpDrive documentation for " + "additional details.\n", ioc->name); + break; + case MPT2_WARPDRIVE_LC_SSDLW: + printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " + "Program/Erase Cycles for the WarpDrive subsystem " + "in degraded range. Check WarpDrive documentation " + "for additional details.\n", ioc->name); + break; + case MPT2_WARPDRIVE_LC_SSDLF: + printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " + "There are no Program/Erase Cycles for the " + "WarpDrive subsystem. The storage device will be " + "in read-only mode. Check WarpDrive documentation " + "for additional details.\n", ioc->name); + break; + case MPT2_WARPDRIVE_LC_BRMF: + printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " + "The Backup Rail Monitor has failed on the " + "WarpDrive subsystem. Check WarpDrive " + "documentation for additional details.\n", + ioc->name); + break; + } + + break; + } case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: case MPI2_EVENT_IR_OPERATION_STATUS: case MPI2_EVENT_SAS_DISCOVERY: @@ -6583,7 +7053,8 @@ _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; - printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); + if (!ioc->hide_ir_msg) + printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); init_completion(&ioc->scsih_cmds.done); mpt2sas_base_put_smid_default(ioc, smid); wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); @@ -6597,10 +7068,11 @@ _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) { mpi_reply = ioc->scsih_cmds.reply; - printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo)); + if (!ioc->hide_ir_msg) + printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " + "ioc_status(0x%04x), loginfo(0x%08x)\n", + ioc->name, le16_to_cpu(mpi_reply->IOCStatus), + le32_to_cpu(mpi_reply->IOCLogInfo)); } out: @@ -6759,6 +7231,9 @@ _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) spin_lock_irqsave(&ioc->sas_device_lock, flags); list_move_tail(&sas_device->list, &ioc->sas_device_list); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + + if (ioc->hide_drives) + return; if (!mpt2sas_transport_port_add(ioc, sas_device->handle, sas_device->sas_address_parent)) { _scsih_sas_device_remove(ioc, sas_device); @@ -6812,6 +7287,9 @@ _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) list_move_tail(&sas_device->list, &ioc->sas_device_list); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (ioc->hide_drives) + continue; + if (!mpt2sas_transport_port_add(ioc, sas_device->handle, sas_device->sas_address_parent)) { _scsih_sas_device_remove(ioc, sas_device); @@ -6882,6 +7360,11 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) ioc->id = mpt_ids++; sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); ioc->pdev = pdev; + if (id->device == MPI2_MFGPAGE_DEVID_SSS6200) { + ioc->is_warpdrive = 1; + ioc->hide_ir_msg = 1; + } else + ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS; ioc->scsi_io_cb_idx = scsi_io_cb_idx; ioc->tm_cb_idx = tm_cb_idx; ioc->ctl_cb_idx = ctl_cb_idx; @@ -6947,6 +7430,20 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) } ioc->wait_for_port_enable_to_complete = 0; + if (ioc->is_warpdrive) { + if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) + ioc->hide_drives = 0; + else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS) + ioc->hide_drives = 1; + else { + if (_scsih_get_num_volumes(ioc)) + ioc->hide_drives = 1; + else + ioc->hide_drives = 0; + } + } else + ioc->hide_drives = 0; + _scsih_probe_devices(ioc); return 0; |