/*- * Copyright (c) 2011 LSI Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * 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 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * LSI MPT-Fusion Host Adapter FreeBSD * * $FreeBSD: src/sys/dev/mps/mps_sas_lsi.c,v 1.1 2012/01/26 18:17:21 ken Exp $ */ /* Communications core for LSI MPT2 */ /* TODO Move headers to mpsvar */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* For Hashed SAS Address creation for SATA Drives */ #define MPT2SAS_SN_LEN 20 #define MPT2SAS_MN_LEN 40 struct mps_fw_event_work { u16 event; void *event_data; TAILQ_ENTRY(mps_fw_event_work) ev_link; }; union _sata_sas_address { u8 wwid[8]; struct { u32 high; u32 low; } word; }; /* * define the IDENTIFY DEVICE structure */ struct _ata_identify_device_data { u16 reserved1[10]; /* 0-9 */ u16 serial_number[10]; /* 10-19 */ u16 reserved2[7]; /* 20-26 */ u16 model_number[20]; /* 27-46*/ u16 reserved3[209]; /* 47-255*/ }; static void mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event); static void mpssas_fw_event_free(struct mps_softc *, struct mps_fw_event_work *); static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo); int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, u64 *sas_address, u16 handle, u32 device_info); static int mpssas_volume_add(struct mps_softc *sc, Mpi2EventIrConfigElement_t *element); void mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, MPI2_EVENT_NOTIFICATION_REPLY *event) { struct mps_fw_event_work *fw_event; u16 sz; mps_dprint(sc, MPS_TRACE, "%s\n", __func__); mps_print_evt_sas(sc, event); mpssas_record_event(sc, event); fw_event = kmalloc(sizeof(struct mps_fw_event_work), M_MPT2, M_ZERO|M_NOWAIT); if (!fw_event) { kprintf("%s: allocate failed for fw_event\n", __func__); return; } sz = le16toh(event->EventDataLength) * 4; fw_event->event_data = kmalloc(sz, M_MPT2, M_ZERO|M_NOWAIT); if (!fw_event->event_data) { kprintf("%s: allocate failed for event_data\n", __func__); kfree(fw_event, M_MPT2); return; } bcopy(event->EventData, fw_event->event_data, sz); fw_event->event = event->Event; if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && sc->track_mapping_events) sc->pending_map_events++; /* * When wait_for_port_enable flag is set, make sure that all the events * are processed. Increment the startup_refcount and decrement it after * events are processed. */ if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && sc->wait_for_port_enable) mpssas_startup_increment(sc->sassc); TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); } static void mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) { kfree(fw_event->event_data, M_MPT2); kfree(fw_event, M_MPT2); } /** * _mps_fw_work - delayed task for processing firmware events * @sc: per adapter object * @fw_event: The fw_event_work object * Context: user. * * Return nothing. */ static void mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) { struct mpssas_softc *sassc; sassc = sc->sassc; switch (fw_event->event) { case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: { MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; int i; data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) fw_event->event_data; mps_mapping_topology_change_event(sc, fw_event->event_data); for (i = 0; i < data->NumEntries; i++) { phy = &data->PHY[i]; switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: if (mpssas_add_device(sc, phy->AttachedDevHandle, phy->LinkRate)){ kprintf("%s: failed to add device with " "handle 0x%x\n", __func__, phy->AttachedDevHandle); mpssas_prepare_remove(sassc, phy-> AttachedDevHandle); } break; case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: mpssas_prepare_remove(sassc, phy-> AttachedDevHandle); break; case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: default: break; } } /* * refcount was incremented for this event in * mpssas_evt_handler. Decrement it here because the event has * been processed. */ mpssas_startup_decrement(sassc); break; } case MPI2_EVENT_SAS_DISCOVERY: { MPI2_EVENT_DATA_SAS_DISCOVERY *data; data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); sassc->flags &= ~MPSSAS_IN_DISCOVERY; mpssas_discovery_end(sassc); } break; } case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: { Mpi2EventDataSasEnclDevStatusChange_t *data; data = (Mpi2EventDataSasEnclDevStatusChange_t *) fw_event->event_data; mps_mapping_enclosure_dev_status_change_event(sc, data); break; } case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: { Mpi2EventIrConfigElement_t *element; int i; u8 foreign_config; Mpi2EventDataIrConfigChangeList_t *event_data; struct mpssas_target *targ; unsigned int id; event_data = fw_event->event_data; foreign_config = (le32toh(event_data->Flags) & MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; id = mps_mapping_get_raid_id_from_handle (sc, element->VolDevHandle); mps_mapping_ir_config_change_event(sc, event_data); for (i = 0; i < event_data->NumElements; i++, element++) { switch (element->ReasonCode) { case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: case MPI2_EVENT_IR_CHANGE_RC_ADDED: if (!foreign_config) { if (mpssas_volume_add(sc, element)) { kprintf("%s: failed to add RAID " "volume with handle 0x%x\n", __func__, le16toh(element-> VolDevHandle)); } } break; case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: case MPI2_EVENT_IR_CHANGE_RC_REMOVED: /* * Rescan after volume is deleted or removed. */ if (!foreign_config) { if (id == MPS_MAP_BAD_ID) { kprintf("%s: could not get ID " "for volume with handle " "0x%04x\n", __func__, element->VolDevHandle); break; } targ = &sassc->targets[id]; targ->handle = 0x0; targ->encl_slot = 0x0; targ->encl_handle = 0x0; targ->exp_dev_handle = 0x0; targ->phy_num = 0x0; targ->linkrate = 0x0; mpssas_rescan_target(sc, targ); kprintf("RAID target id 0x%x removed\n", targ->tid); } break; case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: /* * Phys Disk of a volume has been created. Hide * it from the OS. */ mpssas_prepare_remove(sassc, element-> PhysDiskDevHandle); break; case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: /* * Phys Disk of a volume has been deleted. * Expose it to the OS. */ if (mpssas_add_device(sc, element->PhysDiskDevHandle, 0)){ kprintf("%s: failed to add device with " "handle 0x%x\n", __func__, element->PhysDiskDevHandle); mpssas_prepare_remove(sassc, element-> PhysDiskDevHandle); } break; } } /* * refcount was incremented for this event in * mpssas_evt_handler. Decrement it here because the event has * been processed. */ mpssas_startup_decrement(sassc); break; } case MPI2_EVENT_IR_VOLUME: { Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; /* * Informational only. */ mps_dprint(sc, MPS_INFO, "Received IR Volume event:\n"); switch (event_data->ReasonCode) { case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: mps_dprint(sc, MPS_INFO, " Volume Settings " "changed from 0x%x to 0x%x for Volome with " "handle 0x%x", event_data->PreviousValue, event_data->NewValue, event_data->VolDevHandle); break; case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: mps_dprint(sc, MPS_INFO, " Volume Status " "changed from 0x%x to 0x%x for Volome with " "handle 0x%x", event_data->PreviousValue, event_data->NewValue, event_data->VolDevHandle); break; case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: mps_dprint(sc, MPS_INFO, " Volume State " "changed from 0x%x to 0x%x for Volome with " "handle 0x%x", event_data->PreviousValue, event_data->NewValue, event_data->VolDevHandle); break; default: break; } break; } case MPI2_EVENT_IR_PHYSICAL_DISK: { Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data; /* * Informational only. */ mps_dprint(sc, MPS_INFO, "Received IR Phys Disk event:\n"); switch (event_data->ReasonCode) { case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: mps_dprint(sc, MPS_INFO, " Phys Disk Settings " "changed from 0x%x to 0x%x for Phys Disk Number " "%d and handle 0x%x at Enclosure handle 0x%x, Slot " "%d", event_data->PreviousValue, event_data->NewValue, event_data->PhysDiskNum, event_data->PhysDiskDevHandle, event_data->EnclosureHandle, event_data->Slot); break; case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: mps_dprint(sc, MPS_INFO, " Phys Disk Status changed " "from 0x%x to 0x%x for Phys Disk Number %d and " "handle 0x%x at Enclosure handle 0x%x, Slot %d", event_data->PreviousValue, event_data->NewValue, event_data->PhysDiskNum, event_data->PhysDiskDevHandle, event_data->EnclosureHandle, event_data->Slot); break; case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: mps_dprint(sc, MPS_INFO, " Phys Disk State changed " "from 0x%x to 0x%x for Phys Disk Number %d and " "handle 0x%x at Enclosure handle 0x%x, Slot %d", event_data->PreviousValue, event_data->NewValue, event_data->PhysDiskNum, event_data->PhysDiskDevHandle, event_data->EnclosureHandle, event_data->Slot); break; default: break; } break; } case MPI2_EVENT_IR_OPERATION_STATUS: { Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data; /* * Informational only. */ mps_dprint(sc, MPS_INFO, "Received IR Op Status event:\n"); mps_dprint(sc, MPS_INFO, " RAID Operation of %d is %d " "percent complete for Volume with handle 0x%x", event_data->RAIDOperation, event_data->PercentComplete, event_data->VolDevHandle); break; } case MPI2_EVENT_LOG_ENTRY_ADDED: { pMpi2EventDataLogEntryAdded_t logEntry; uint16_t logQualifier; uint8_t logCode; logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; logQualifier = logEntry->LogEntryQualifier; if (logQualifier == MPI2_WD_LOG_ENTRY) { logCode = logEntry->LogData[0]; switch (logCode) { case MPI2_WD_SSD_THROTTLING: kprintf("WarpDrive Warning: IO Throttling has " "occurred in the WarpDrive subsystem. " "Check WarpDrive documentation for " "additional details\n"); break; case MPI2_WD_DRIVE_LIFE_WARN: kprintf("WarpDrive Warning: Program/Erase " "Cycles for the WarpDrive subsystem in " "degraded range. Check WarpDrive " "documentation for additional details\n"); break; case MPI2_WD_DRIVE_LIFE_DEAD: kprintf("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"); break; case MPI2_WD_RAIL_MON_FAIL: kprintf("WarpDrive Fatal Error: The Backup Rail " "Monitor has failed on the WarpDrive " "subsystem. Check WarpDrive documentation " "for additional details\n"); break; default: break; } } break; } case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: default: mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", fw_event->event); break; } mpssas_fw_event_free(sc, fw_event); } void mpssas_firmware_event_work(void *arg, int pending) { struct mps_fw_event_work *fw_event; struct mps_softc *sc; sc = (struct mps_softc *)arg; mps_lock(sc); while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); mpssas_fw_work(sc, fw_event); } mps_unlock(sc); } static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ char devstring[80]; struct mpssas_softc *sassc; struct mpssas_target *targ; Mpi2ConfigReply_t mpi_reply; Mpi2SasDevicePage0_t config_page; uint64_t sas_address, sata_sas_address; uint64_t parent_sas_address = 0; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); u32 device_info, parent_devinfo = 0; unsigned int id; int ret; int error = 0; sassc = sc->sassc; mpssas_startup_increment(sassc); if ((mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { kprintf("%s: error reading SAS device page0\n", __func__); error = ENXIO; goto out; } device_info = le32toh(config_page.DeviceInfo); if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) && (config_page.ParentDevHandle != 0)) { Mpi2ConfigReply_t tmp_mpi_reply; Mpi2SasDevicePage0_t parent_config_page; if ((mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, le16toh(config_page.ParentDevHandle)))) { kprintf("%s: error reading SAS device %#x page0\n", __func__, le16toh(config_page.ParentDevHandle)); } else { parent_sas_address = parent_config_page.SASAddress.High; parent_sas_address = (parent_sas_address << 32) | parent_config_page.SASAddress.Low; parent_devinfo = le32toh(parent_config_page.DeviceInfo); } } /* TODO Check proper endianess */ sas_address = config_page.SASAddress.High; sas_address = (sas_address << 32) | config_page.SASAddress.Low; if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { ret = mpssas_get_sas_address_for_sata_disk(sc, &sata_sas_address, handle, device_info); if (!ret) id = mps_mapping_get_sas_id(sc, sata_sas_address, handle); else id = mps_mapping_get_sas_id(sc, sas_address, handle); } else id = mps_mapping_get_sas_id(sc, sas_address, handle); } else id = mps_mapping_get_sas_id(sc, sas_address, handle); if (id == MPS_MAP_BAD_ID) { kprintf("failure at %s:%d/%s()! Could not get ID for device " "with handle 0x%04x\n", __FILE__, __LINE__, __func__, handle); error = ENXIO; goto out; } mps_vprintf(sc, "SAS Address from SAS device page0 = %jx\n", sas_address); targ = &sassc->targets[id]; targ->devinfo = device_info; targ->devname = le32toh(config_page.DeviceName.High); targ->devname = (targ->devname << 32) | le32toh(config_page.DeviceName.Low); targ->encl_handle = le16toh(config_page.EnclosureHandle); targ->encl_slot = le16toh(config_page.Slot); targ->handle = handle; targ->parent_handle = le16toh(config_page.ParentDevHandle); targ->sasaddr = mps_to_u64(&config_page.SASAddress); targ->parent_sasaddr = le64toh(parent_sas_address); targ->parent_devinfo = parent_devinfo; targ->tid = id; targ->linkrate = (linkrate>>4); targ->flags = 0; TAILQ_INIT(&targ->commands); TAILQ_INIT(&targ->timedout_commands); SLIST_INIT(&targ->luns); mps_describe_devinfo(targ->devinfo, devstring, 80); mps_vprintf(sc, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), targ->handle, targ->encl_handle, targ->encl_slot); if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) mpssas_rescan_target(sc, targ); mps_vprintf(sc, "Target id 0x%x added\n", targ->tid); out: mpssas_startup_decrement(sassc); return (error); } int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, u64 *sas_address, u16 handle, u32 device_info) { Mpi2SataPassthroughReply_t mpi_reply; int i, rc, try_count; u32 *bufferptr; union _sata_sas_address hash_address; struct _ata_identify_device_data ata_identify; u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; u32 ioc_status; u8 sas_status; memset(&ata_identify, 0, sizeof(ata_identify)); try_count = 0; do { rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, (char *)&ata_identify, sizeof(ata_identify), device_info); try_count++; ioc_status = le16toh(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; sas_status = mpi_reply.SASStatus; } while ((rc == -EAGAIN || ioc_status || sas_status) && (try_count < 5)); if (rc == 0 && !ioc_status && !sas_status) { mps_dprint(sc, MPS_INFO, "%s: got SATA identify successfully " "for handle = 0x%x with try_count = %d\n", __func__, handle, try_count); } else { mps_dprint(sc, MPS_INFO, "%s: handle = 0x%x failed\n", __func__, handle); return -1; } /* Copy & byteswap the 40 byte model number to a buffer */ for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; } /* Copy & byteswap the 20 byte serial number to a buffer */ for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { buffer[MPT2SAS_MN_LEN + i] = ((u8 *)ata_identify.serial_number)[i + 1]; buffer[MPT2SAS_MN_LEN + i + 1] = ((u8 *)ata_identify.serial_number)[i]; } bufferptr = (u32 *)buffer; /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, * so loop through the first 56 bytes (7*8), * and then add in the last dword. */ hash_address.word.low = 0; hash_address.word.high = 0; for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { hash_address.word.low += *bufferptr; bufferptr++; hash_address.word.high += *bufferptr; bufferptr++; } /* Add the last dword */ hash_address.word.low += *bufferptr; /* Make sure the hash doesn't start with 5, because it could clash * with a SAS address. Change 5 to a D. */ if ((hash_address.word.high & 0x000000F0) == (0x00000050)) hash_address.word.high |= 0x00000080; *sas_address = (u64)hash_address.wwid[0] << 56 | (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | (u64)hash_address.wwid[7]; return 0; } static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) { Mpi2SataPassthroughRequest_t *mpi_request; Mpi2SataPassthroughReply_t *reply; struct mps_command *cm; char *buffer; int error = 0; buffer = kmalloc( sz, M_MPT2, M_NOWAIT | M_ZERO); if (!buffer) return ENOMEM; if ((cm = mps_alloc_command(sc)) == NULL) { kfree(buffer, M_MPT2); return (EBUSY); } mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; mpi_request->VF_ID = 0; mpi_request->DevHandle = htole16(handle); mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | MPI2_SATA_PT_REQ_PT_FLAGS_READ); mpi_request->DataLength = htole32(sz); mpi_request->CommandFIS[0] = 0x27; mpi_request->CommandFIS[1] = 0x80; mpi_request->CommandFIS[2] = (devinfo & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; cm->cm_sge = &mpi_request->SGL; cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; cm->cm_data = buffer; cm->cm_length = htole32(sz); error = mps_request_polled(sc, cm); reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; if (error || (reply == NULL)) { /* FIXME */ /* If the poll returns error then we need to do diag reset */ kprintf("%s: poll for page completed with error %d", __func__, error); error = ENXIO; goto out; } bcopy(buffer, id_buffer, sz); bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); if ((reply->IOCStatus & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS) { kprintf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n", __func__, reply->IOCStatus); error = ENXIO; goto out; } out: mps_free_command(sc, cm); kfree(buffer, M_MPT2); return (error); } static int mpssas_volume_add(struct mps_softc *sc, Mpi2EventIrConfigElement_t *element) { struct mpssas_softc *sassc; struct mpssas_target *targ; u64 wwid; u16 handle = le16toh(element->VolDevHandle); unsigned int id; int error = 0; sassc = sc->sassc; mpssas_startup_increment(sassc); mps_config_get_volume_wwid(sc, handle, &wwid); if (!wwid) { kprintf("%s: invalid WWID; cannot add volume to mapping table\n", __func__); error = ENXIO; goto out; } id = mps_mapping_get_raid_id(sc, wwid, handle); if (id == MPS_MAP_BAD_ID) { kprintf("%s: could not get ID for volume with handle 0x%04x and " "WWID 0x%016llx\n", __func__, handle, (unsigned long long)wwid); error = ENXIO; goto out; } targ = &sassc->targets[id]; targ->tid = id; targ->handle = handle; targ->devname = wwid; TAILQ_INIT(&targ->commands); TAILQ_INIT(&targ->timedout_commands); SLIST_INIT(&targ->luns); if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) mpssas_rescan_target(sc, targ); mps_dprint(sc, MPS_INFO, "RAID target id %d added (WWID = 0x%jx)\n", targ->tid, wwid); out: mpssas_startup_decrement(sassc); return (error); } /** * mpssas_ir_shutdown - IR shutdown notification * @sc: per adapter object * * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that * the host system is shutting down. * * Return nothing. */ void mpssas_ir_shutdown(struct mps_softc *sc) { u16 volume_mapping_flags; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); struct dev_mapping_table *mt_entry; u32 start_idx, end_idx; unsigned int id, found_volume = 0; struct mps_command *cm; Mpi2RaidActionRequest_t *action; mps_lock(sc); mps_dprint(sc, MPS_TRACE, "%s\n", __func__); /* is IR firmware build loaded? */ if (!sc->ir_firmware) goto back; /* are there any volumes? Look at IR target IDs. */ // TODO-later, this should be looked up in the RAID config structure // when it is implemented. volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { start_idx = 0; if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) start_idx = 1; } else start_idx = sc->max_devices - sc->max_volumes; end_idx = start_idx + sc->max_volumes - 1; for (id = start_idx; id < end_idx; id++) { mt_entry = &sc->mapping_table[id]; if ((mt_entry->physical_id != 0) && (mt_entry->missing_count == 0)) { found_volume = 1; break; } } if (!found_volume) goto back; if ((cm = mps_alloc_command(sc)) == NULL) { kprintf("%s: command alloc failed\n", __func__); goto back; } action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; action->Function = MPI2_FUNCTION_RAID_ACTION; action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; mps_request_polled(sc, cm); /* * Don't check for reply, just leave. */ if (cm) mps_free_command(sc, cm); back: mps_unlock(sc); }