Index: head/sys/dev/mps/mps.c =================================================================== --- head/sys/dev/mps/mps.c (revision 295285) +++ head/sys/dev/mps/mps.c (revision 295286) @@ -1,2680 +1,2688 @@ /*- * Copyright (c) 2009 Yahoo! Inc. * Copyright (c) 2011-2015 LSI Corp. * Copyright (c) 2013-2015 Avago Technologies * 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. * * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD * * $FreeBSD$ */ #include __FBSDID("$FreeBSD$"); /* Communications core for Avago Technologies (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 static int mps_diag_reset(struct mps_softc *sc, int sleep_flag); static int mps_init_queues(struct mps_softc *sc); static int mps_message_unit_reset(struct mps_softc *sc, int sleep_flag); static int mps_transition_operational(struct mps_softc *sc); static int mps_iocfacts_allocate(struct mps_softc *sc, uint8_t attaching); static void mps_iocfacts_free(struct mps_softc *sc); static void mps_startup(void *arg); static int mps_send_iocinit(struct mps_softc *sc); static int mps_alloc_queues(struct mps_softc *sc); static int mps_alloc_replies(struct mps_softc *sc); static int mps_alloc_requests(struct mps_softc *sc); static int mps_attach_log(struct mps_softc *sc); static __inline void mps_complete_command(struct mps_softc *sc, struct mps_command *cm); static void mps_dispatch_event(struct mps_softc *sc, uintptr_t data, MPI2_EVENT_NOTIFICATION_REPLY *reply); static void mps_config_complete(struct mps_softc *sc, struct mps_command *cm); static void mps_periodic(void *); static int mps_reregister_events(struct mps_softc *sc); static void mps_enqueue_request(struct mps_softc *sc, struct mps_command *cm); static int mps_get_iocfacts(struct mps_softc *sc, MPI2_IOC_FACTS_REPLY *facts); static int mps_wait_db_ack(struct mps_softc *sc, int timeout, int sleep_flag); SYSCTL_NODE(_hw, OID_AUTO, mps, CTLFLAG_RD, 0, "MPS Driver Parameters"); MALLOC_DEFINE(M_MPT2, "mps", "mpt2 driver memory"); /* * Do a "Diagnostic Reset" aka a hard reset. This should get the chip out of * any state and back to its initialization state machine. */ static char mpt2_reset_magic[] = { 0x00, 0x0f, 0x04, 0x0b, 0x02, 0x07, 0x0d }; /* Added this union to smoothly convert le64toh cm->cm_desc.Words. * Compiler only support unint64_t to be passed as argument. * Otherwise it will through below error * "aggregate value used where an integer was expected" */ typedef union _reply_descriptor { u64 word; struct { u32 low; u32 high; } u; }reply_descriptor,address_descriptor; /* Rate limit chain-fail messages to 1 per minute */ static struct timeval mps_chainfail_interval = { 60, 0 }; /* * sleep_flag can be either CAN_SLEEP or NO_SLEEP. * If this function is called from process context, it can sleep * and there is no harm to sleep, in case if this fuction is called * from Interrupt handler, we can not sleep and need NO_SLEEP flag set. * based on sleep flags driver will call either msleep, pause or DELAY. * msleep and pause are of same variant, but pause is used when mps_mtx * is not hold by driver. * */ static int mps_diag_reset(struct mps_softc *sc,int sleep_flag) { uint32_t reg; int i, error, tries = 0; uint8_t first_wait_done = FALSE; mps_dprint(sc, MPS_TRACE, "%s\n", __func__); /* Clear any pending interrupts */ mps_regwrite(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET, 0x0); /*Force NO_SLEEP for threads prohibited to sleep * e.a Thread from interrupt handler are prohibited to sleep. */ if (curthread->td_no_sleeping != 0) sleep_flag = NO_SLEEP; /* Push the magic sequence */ error = ETIMEDOUT; while (tries++ < 20) { for (i = 0; i < sizeof(mpt2_reset_magic); i++) mps_regwrite(sc, MPI2_WRITE_SEQUENCE_OFFSET, mpt2_reset_magic[i]); /* wait 100 msec */ if (mtx_owned(&sc->mps_mtx) && sleep_flag == CAN_SLEEP) msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, "mpsdiag", hz/10); else if (sleep_flag == CAN_SLEEP) pause("mpsdiag", hz/10); else DELAY(100 * 1000); reg = mps_regread(sc, MPI2_HOST_DIAGNOSTIC_OFFSET); if (reg & MPI2_DIAG_DIAG_WRITE_ENABLE) { error = 0; break; } } if (error) return (error); /* Send the actual reset. XXX need to refresh the reg? */ mps_regwrite(sc, MPI2_HOST_DIAGNOSTIC_OFFSET, reg | MPI2_DIAG_RESET_ADAPTER); /* Wait up to 300 seconds in 50ms intervals */ error = ETIMEDOUT; for (i = 0; i < 6000; i++) { /* * Wait 50 msec. If this is the first time through, wait 256 * msec to satisfy Diag Reset timing requirements. */ if (first_wait_done) { if (mtx_owned(&sc->mps_mtx) && sleep_flag == CAN_SLEEP) msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, "mpsdiag", hz/20); else if (sleep_flag == CAN_SLEEP) pause("mpsdiag", hz/20); else DELAY(50 * 1000); } else { DELAY(256 * 1000); first_wait_done = TRUE; } /* * Check for the RESET_ADAPTER bit to be cleared first, then * wait for the RESET state to be cleared, which takes a little * longer. */ reg = mps_regread(sc, MPI2_HOST_DIAGNOSTIC_OFFSET); if (reg & MPI2_DIAG_RESET_ADAPTER) { continue; } reg = mps_regread(sc, MPI2_DOORBELL_OFFSET); if ((reg & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_RESET) { error = 0; break; } } if (error) return (error); mps_regwrite(sc, MPI2_WRITE_SEQUENCE_OFFSET, 0x0); return (0); } static int mps_message_unit_reset(struct mps_softc *sc, int sleep_flag) { MPS_FUNCTRACE(sc); mps_regwrite(sc, MPI2_DOORBELL_OFFSET, MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET << MPI2_DOORBELL_FUNCTION_SHIFT); if (mps_wait_db_ack(sc, 5, sleep_flag) != 0) { mps_dprint(sc, MPS_FAULT, "Doorbell handshake failed : <%s>\n", __func__); return (ETIMEDOUT); } return (0); } static int mps_transition_ready(struct mps_softc *sc) { uint32_t reg, state; int error, tries = 0; int sleep_flags; MPS_FUNCTRACE(sc); /* If we are in attach call, do not sleep */ sleep_flags = (sc->mps_flags & MPS_FLAGS_ATTACH_DONE) ? CAN_SLEEP:NO_SLEEP; error = 0; while (tries++ < 1200) { reg = mps_regread(sc, MPI2_DOORBELL_OFFSET); mps_dprint(sc, MPS_INIT, "Doorbell= 0x%x\n", reg); /* * Ensure the IOC is ready to talk. If it's not, try * resetting it. */ if (reg & MPI2_DOORBELL_USED) { mps_diag_reset(sc, sleep_flags); DELAY(50000); continue; } /* Is the adapter owned by another peer? */ if ((reg & MPI2_DOORBELL_WHO_INIT_MASK) == (MPI2_WHOINIT_PCI_PEER << MPI2_DOORBELL_WHO_INIT_SHIFT)) { device_printf(sc->mps_dev, "IOC is under the control " "of another peer host, aborting initialization.\n"); return (ENXIO); } state = reg & MPI2_IOC_STATE_MASK; if (state == MPI2_IOC_STATE_READY) { /* Ready to go! */ error = 0; break; } else if (state == MPI2_IOC_STATE_FAULT) { mps_dprint(sc, MPS_FAULT, "IOC in fault state 0x%x, resetting\n", state & MPI2_DOORBELL_FAULT_CODE_MASK); mps_diag_reset(sc, sleep_flags); } else if (state == MPI2_IOC_STATE_OPERATIONAL) { /* Need to take ownership */ mps_message_unit_reset(sc, sleep_flags); } else if (state == MPI2_IOC_STATE_RESET) { /* Wait a bit, IOC might be in transition */ mps_dprint(sc, MPS_FAULT, "IOC in unexpected reset state\n"); } else { mps_dprint(sc, MPS_FAULT, "IOC in unknown state 0x%x\n", state); error = EINVAL; break; } /* Wait 50ms for things to settle down. */ DELAY(50000); } if (error) device_printf(sc->mps_dev, "Cannot transition IOC to ready\n"); return (error); } static int mps_transition_operational(struct mps_softc *sc) { uint32_t reg, state; int error; MPS_FUNCTRACE(sc); error = 0; reg = mps_regread(sc, MPI2_DOORBELL_OFFSET); mps_dprint(sc, MPS_INIT, "Doorbell= 0x%x\n", reg); state = reg & MPI2_IOC_STATE_MASK; if (state != MPI2_IOC_STATE_READY) { if ((error = mps_transition_ready(sc)) != 0) { mps_dprint(sc, MPS_FAULT, "%s failed to transition ready\n", __func__); return (error); } } error = mps_send_iocinit(sc); return (error); } /* * This is called during attach and when re-initializing due to a Diag Reset. * IOC Facts is used to allocate many of the structures needed by the driver. * If called from attach, de-allocation is not required because the driver has * not allocated any structures yet, but if called from a Diag Reset, previously * allocated structures based on IOC Facts will need to be freed and re- * allocated bases on the latest IOC Facts. */ static int mps_iocfacts_allocate(struct mps_softc *sc, uint8_t attaching) { int error; Mpi2IOCFactsReply_t saved_facts; uint8_t saved_mode, reallocating; mps_dprint(sc, MPS_TRACE, "%s\n", __func__); /* Save old IOC Facts and then only reallocate if Facts have changed */ if (!attaching) { bcopy(sc->facts, &saved_facts, sizeof(MPI2_IOC_FACTS_REPLY)); } /* * Get IOC Facts. In all cases throughout this function, panic if doing * a re-initialization and only return the error if attaching so the OS * can handle it. */ if ((error = mps_get_iocfacts(sc, sc->facts)) != 0) { if (attaching) { mps_dprint(sc, MPS_FAULT, "%s failed to get IOC Facts " "with error %d\n", __func__, error); return (error); } else { panic("%s failed to get IOC Facts with error %d\n", __func__, error); } } mps_print_iocfacts(sc, sc->facts); snprintf(sc->fw_version, sizeof(sc->fw_version), "%02d.%02d.%02d.%02d", sc->facts->FWVersion.Struct.Major, sc->facts->FWVersion.Struct.Minor, sc->facts->FWVersion.Struct.Unit, sc->facts->FWVersion.Struct.Dev); mps_printf(sc, "Firmware: %s, Driver: %s\n", sc->fw_version, MPS_DRIVER_VERSION); mps_printf(sc, "IOCCapabilities: %b\n", sc->facts->IOCCapabilities, "\20" "\3ScsiTaskFull" "\4DiagTrace" "\5SnapBuf" "\6ExtBuf" "\7EEDP" "\10BiDirTarg" "\11Multicast" "\14TransRetry" "\15IR" "\16EventReplay" "\17RaidAccel" "\20MSIXIndex" "\21HostDisc"); /* * If the chip doesn't support event replay then a hard reset will be * required to trigger a full discovery. Do the reset here then * retransition to Ready. A hard reset might have already been done, * but it doesn't hurt to do it again. Only do this if attaching, not * for a Diag Reset. */ if (attaching) { if ((sc->facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY) == 0) { mps_diag_reset(sc, NO_SLEEP); if ((error = mps_transition_ready(sc)) != 0) { mps_dprint(sc, MPS_FAULT, "%s failed to " "transition to ready with error %d\n", __func__, error); return (error); } } } /* * Set flag if IR Firmware is loaded. If the RAID Capability has * changed from the previous IOC Facts, log a warning, but only if * checking this after a Diag Reset and not during attach. */ saved_mode = sc->ir_firmware; if (sc->facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) sc->ir_firmware = 1; if (!attaching) { if (sc->ir_firmware != saved_mode) { mps_dprint(sc, MPS_FAULT, "%s new IR/IT mode in IOC " "Facts does not match previous mode\n", __func__); } } /* Only deallocate and reallocate if relevant IOC Facts have changed */ reallocating = FALSE; if ((!attaching) && ((saved_facts.MsgVersion != sc->facts->MsgVersion) || (saved_facts.HeaderVersion != sc->facts->HeaderVersion) || (saved_facts.MaxChainDepth != sc->facts->MaxChainDepth) || (saved_facts.RequestCredit != sc->facts->RequestCredit) || (saved_facts.ProductID != sc->facts->ProductID) || (saved_facts.IOCCapabilities != sc->facts->IOCCapabilities) || (saved_facts.IOCRequestFrameSize != sc->facts->IOCRequestFrameSize) || (saved_facts.MaxTargets != sc->facts->MaxTargets) || (saved_facts.MaxSasExpanders != sc->facts->MaxSasExpanders) || (saved_facts.MaxEnclosures != sc->facts->MaxEnclosures) || (saved_facts.HighPriorityCredit != sc->facts->HighPriorityCredit) || (saved_facts.MaxReplyDescriptorPostQueueDepth != sc->facts->MaxReplyDescriptorPostQueueDepth) || (saved_facts.ReplyFrameSize != sc->facts->ReplyFrameSize) || (saved_facts.MaxVolumes != sc->facts->MaxVolumes) || (saved_facts.MaxPersistentEntries != sc->facts->MaxPersistentEntries))) { reallocating = TRUE; } /* * Some things should be done if attaching or re-allocating after a Diag * Reset, but are not needed after a Diag Reset if the FW has not * changed. */ if (attaching || reallocating) { /* * Check if controller supports FW diag buffers and set flag to * enable each type. */ if (sc->facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) sc->fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_TRACE]. enabled = TRUE; if (sc->facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) sc->fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_SNAPSHOT]. enabled = TRUE; if (sc->facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) sc->fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_EXTENDED]. enabled = TRUE; /* * Set flag if EEDP is supported and if TLR is supported. */ if (sc->facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) sc->eedp_enabled = TRUE; if (sc->facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) sc->control_TLR = TRUE; /* * Size the queues. Since the reply queues always need one free * entry, we'll just deduct one reply message here. */ sc->num_reqs = MIN(MPS_REQ_FRAMES, sc->facts->RequestCredit); sc->num_replies = MIN(MPS_REPLY_FRAMES + MPS_EVT_REPLY_FRAMES, sc->facts->MaxReplyDescriptorPostQueueDepth) - 1; /* * Initialize all Tail Queues */ TAILQ_INIT(&sc->req_list); TAILQ_INIT(&sc->high_priority_req_list); TAILQ_INIT(&sc->chain_list); TAILQ_INIT(&sc->tm_list); } /* * If doing a Diag Reset and the FW is significantly different * (reallocating will be set above in IOC Facts comparison), then all * buffers based on the IOC Facts will need to be freed before they are * reallocated. */ if (reallocating) { mps_iocfacts_free(sc); mpssas_realloc_targets(sc, saved_facts.MaxTargets); } /* * Any deallocation has been completed. Now start reallocating * if needed. Will only need to reallocate if attaching or if the new * IOC Facts are different from the previous IOC Facts after a Diag * Reset. Targets have already been allocated above if needed. */ if (attaching || reallocating) { if (((error = mps_alloc_queues(sc)) != 0) || ((error = mps_alloc_replies(sc)) != 0) || ((error = mps_alloc_requests(sc)) != 0)) { if (attaching ) { mps_dprint(sc, MPS_FAULT, "%s failed to alloc " "queues with error %d\n", __func__, error); mps_free(sc); return (error); } else { panic("%s failed to alloc queues with error " "%d\n", __func__, error); } } } /* Always initialize the queues */ bzero(sc->free_queue, sc->fqdepth * 4); mps_init_queues(sc); /* * Always get the chip out of the reset state, but only panic if not * attaching. If attaching and there is an error, that is handled by * the OS. */ error = mps_transition_operational(sc); if (error != 0) { if (attaching) { mps_printf(sc, "%s failed to transition to operational " "with error %d\n", __func__, error); mps_free(sc); return (error); } else { panic("%s failed to transition to operational with " "error %d\n", __func__, error); } } /* * Finish the queue initialization. * These are set here instead of in mps_init_queues() because the * IOC resets these values during the state transition in * mps_transition_operational(). The free index is set to 1 * because the corresponding index in the IOC is set to 0, and the * IOC treats the queues as full if both are set to the same value. * Hence the reason that the queue can't hold all of the possible * replies. */ sc->replypostindex = 0; mps_regwrite(sc, MPI2_REPLY_FREE_HOST_INDEX_OFFSET, sc->replyfreeindex); mps_regwrite(sc, MPI2_REPLY_POST_HOST_INDEX_OFFSET, 0); /* * Attach the subsystems so they can prepare their event masks. */ /* XXX Should be dynamic so that IM/IR and user modules can attach */ if (attaching) { if (((error = mps_attach_log(sc)) != 0) || ((error = mps_attach_sas(sc)) != 0) || ((error = mps_attach_user(sc)) != 0)) { mps_printf(sc, "%s failed to attach all subsystems: " "error %d\n", __func__, error); mps_free(sc); return (error); } if ((error = mps_pci_setup_interrupts(sc)) != 0) { mps_printf(sc, "%s failed to setup interrupts\n", __func__); mps_free(sc); return (error); } } /* * Set flag if this is a WD controller. This shouldn't ever change, but * reset it after a Diag Reset, just in case. */ sc->WD_available = FALSE; if (pci_get_device(sc->mps_dev) == MPI2_MFGPAGE_DEVID_SSS6200) sc->WD_available = TRUE; return (error); } /* * This is called if memory is being free (during detach for example) and when * buffers need to be reallocated due to a Diag Reset. */ static void mps_iocfacts_free(struct mps_softc *sc) { struct mps_command *cm; int i; mps_dprint(sc, MPS_TRACE, "%s\n", __func__); if (sc->free_busaddr != 0) bus_dmamap_unload(sc->queues_dmat, sc->queues_map); if (sc->free_queue != NULL) bus_dmamem_free(sc->queues_dmat, sc->free_queue, sc->queues_map); if (sc->queues_dmat != NULL) bus_dma_tag_destroy(sc->queues_dmat); if (sc->chain_busaddr != 0) bus_dmamap_unload(sc->chain_dmat, sc->chain_map); if (sc->chain_frames != NULL) bus_dmamem_free(sc->chain_dmat, sc->chain_frames, sc->chain_map); if (sc->chain_dmat != NULL) bus_dma_tag_destroy(sc->chain_dmat); if (sc->sense_busaddr != 0) bus_dmamap_unload(sc->sense_dmat, sc->sense_map); if (sc->sense_frames != NULL) bus_dmamem_free(sc->sense_dmat, sc->sense_frames, sc->sense_map); if (sc->sense_dmat != NULL) bus_dma_tag_destroy(sc->sense_dmat); if (sc->reply_busaddr != 0) bus_dmamap_unload(sc->reply_dmat, sc->reply_map); if (sc->reply_frames != NULL) bus_dmamem_free(sc->reply_dmat, sc->reply_frames, sc->reply_map); if (sc->reply_dmat != NULL) bus_dma_tag_destroy(sc->reply_dmat); if (sc->req_busaddr != 0) bus_dmamap_unload(sc->req_dmat, sc->req_map); if (sc->req_frames != NULL) bus_dmamem_free(sc->req_dmat, sc->req_frames, sc->req_map); if (sc->req_dmat != NULL) bus_dma_tag_destroy(sc->req_dmat); if (sc->chains != NULL) free(sc->chains, M_MPT2); if (sc->commands != NULL) { for (i = 1; i < sc->num_reqs; i++) { cm = &sc->commands[i]; bus_dmamap_destroy(sc->buffer_dmat, cm->cm_dmamap); } free(sc->commands, M_MPT2); } if (sc->buffer_dmat != NULL) bus_dma_tag_destroy(sc->buffer_dmat); } /* * The terms diag reset and hard reset are used interchangeably in the MPI * docs to mean resetting the controller chip. In this code diag reset * cleans everything up, and the hard reset function just sends the reset * sequence to the chip. This should probably be refactored so that every * subsystem gets a reset notification of some sort, and can clean up * appropriately. */ int mps_reinit(struct mps_softc *sc) { int error; struct mpssas_softc *sassc; sassc = sc->sassc; MPS_FUNCTRACE(sc); mtx_assert(&sc->mps_mtx, MA_OWNED); if (sc->mps_flags & MPS_FLAGS_DIAGRESET) { mps_dprint(sc, MPS_INIT, "%s reset already in progress\n", __func__); return 0; } mps_dprint(sc, MPS_INFO, "Reinitializing controller,\n"); /* make sure the completion callbacks can recognize they're getting * a NULL cm_reply due to a reset. */ sc->mps_flags |= MPS_FLAGS_DIAGRESET; /* * Mask interrupts here. */ mps_dprint(sc, MPS_INIT, "%s mask interrupts\n", __func__); mps_mask_intr(sc); error = mps_diag_reset(sc, CAN_SLEEP); if (error != 0) { /* XXXSL No need to panic here */ panic("%s hard reset failed with error %d\n", __func__, error); } /* Restore the PCI state, including the MSI-X registers */ mps_pci_restore(sc); /* Give the I/O subsystem special priority to get itself prepared */ mpssas_handle_reinit(sc); /* * Get IOC Facts and allocate all structures based on this information. * The attach function will also call mps_iocfacts_allocate at startup. * If relevant values have changed in IOC Facts, this function will free * all of the memory based on IOC Facts and reallocate that memory. */ if ((error = mps_iocfacts_allocate(sc, FALSE)) != 0) { panic("%s IOC Facts based allocation failed with error %d\n", __func__, error); } /* * Mapping structures will be re-allocated after getting IOC Page8, so * free these structures here. */ mps_mapping_exit(sc); /* * The static page function currently read is IOC Page8. Others can be * added in future. It's possible that the values in IOC Page8 have * changed after a Diag Reset due to user modification, so always read * these. Interrupts are masked, so unmask them before getting config * pages. */ mps_unmask_intr(sc); sc->mps_flags &= ~MPS_FLAGS_DIAGRESET; mps_base_static_config_pages(sc); /* * Some mapping info is based in IOC Page8 data, so re-initialize the * mapping tables. */ mps_mapping_initialize(sc); /* * Restart will reload the event masks clobbered by the reset, and * then enable the port. */ mps_reregister_events(sc); /* the end of discovery will release the simq, so we're done. */ mps_dprint(sc, MPS_INFO, "%s finished sc %p post %u free %u\n", __func__, sc, sc->replypostindex, sc->replyfreeindex); mpssas_release_simq_reinit(sassc); return 0; } /* Wait for the chip to ACK a word that we've put into its FIFO * Wait for seconds. In single loop wait for busy loop * for 500 microseconds. * Total is [ 0.5 * (2000 * ) ] in miliseconds. * */ static int mps_wait_db_ack(struct mps_softc *sc, int timeout, int sleep_flag) { u32 cntdn, count; u32 int_status; u32 doorbell; count = 0; cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; do { int_status = mps_regread(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET); if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { mps_dprint(sc, MPS_INIT, "%s: successfull count(%d), timeout(%d)\n", __func__, count, timeout); return 0; } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { doorbell = mps_regread(sc, MPI2_DOORBELL_OFFSET); if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { mps_dprint(sc, MPS_FAULT, "fault_state(0x%04x)!\n", doorbell); return (EFAULT); } } else if (int_status == 0xFFFFFFFF) goto out; /* If it can sleep, sleep for 1 milisecond, else busy loop for * 0.5 milisecond */ if (mtx_owned(&sc->mps_mtx) && sleep_flag == CAN_SLEEP) msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, "mpsdba", hz/1000); else if (sleep_flag == CAN_SLEEP) pause("mpsdba", hz/1000); else DELAY(500); count++; } while (--cntdn); out: mps_dprint(sc, MPS_FAULT, "%s: failed due to timeout count(%d), " "int_status(%x)!\n", __func__, count, int_status); return (ETIMEDOUT); } /* Wait for the chip to signal that the next word in its FIFO can be fetched */ static int mps_wait_db_int(struct mps_softc *sc) { int retry; for (retry = 0; retry < MPS_DB_MAX_WAIT; retry++) { if ((mps_regread(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET) & MPI2_HIS_IOC2SYS_DB_STATUS) != 0) return (0); DELAY(2000); } return (ETIMEDOUT); } /* Step through the synchronous command state machine, i.e. "Doorbell mode" */ static int mps_request_sync(struct mps_softc *sc, void *req, MPI2_DEFAULT_REPLY *reply, int req_sz, int reply_sz, int timeout) { uint32_t *data32; uint16_t *data16; int i, count, ioc_sz, residual; int sleep_flags = CAN_SLEEP; if (curthread->td_no_sleeping != 0) sleep_flags = NO_SLEEP; /* Step 1 */ mps_regwrite(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET, 0x0); /* Step 2 */ if (mps_regread(sc, MPI2_DOORBELL_OFFSET) & MPI2_DOORBELL_USED) return (EBUSY); /* Step 3 * Announce that a message is coming through the doorbell. Messages * are pushed at 32bit words, so round up if needed. */ count = (req_sz + 3) / 4; mps_regwrite(sc, MPI2_DOORBELL_OFFSET, (MPI2_FUNCTION_HANDSHAKE << MPI2_DOORBELL_FUNCTION_SHIFT) | (count << MPI2_DOORBELL_ADD_DWORDS_SHIFT)); /* Step 4 */ if (mps_wait_db_int(sc) || (mps_regread(sc, MPI2_DOORBELL_OFFSET) & MPI2_DOORBELL_USED) == 0) { mps_dprint(sc, MPS_FAULT, "Doorbell failed to activate\n"); return (ENXIO); } mps_regwrite(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET, 0x0); if (mps_wait_db_ack(sc, 5, sleep_flags) != 0) { mps_dprint(sc, MPS_FAULT, "Doorbell handshake failed\n"); return (ENXIO); } /* Step 5 */ /* Clock out the message data synchronously in 32-bit dwords*/ data32 = (uint32_t *)req; for (i = 0; i < count; i++) { mps_regwrite(sc, MPI2_DOORBELL_OFFSET, htole32(data32[i])); if (mps_wait_db_ack(sc, 5, sleep_flags) != 0) { mps_dprint(sc, MPS_FAULT, "Timeout while writing doorbell\n"); return (ENXIO); } } /* Step 6 */ /* Clock in the reply in 16-bit words. The total length of the * message is always in the 4th byte, so clock out the first 2 words * manually, then loop the rest. */ data16 = (uint16_t *)reply; if (mps_wait_db_int(sc) != 0) { mps_dprint(sc, MPS_FAULT, "Timeout reading doorbell 0\n"); return (ENXIO); } data16[0] = mps_regread(sc, MPI2_DOORBELL_OFFSET) & MPI2_DOORBELL_DATA_MASK; mps_regwrite(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET, 0x0); if (mps_wait_db_int(sc) != 0) { mps_dprint(sc, MPS_FAULT, "Timeout reading doorbell 1\n"); return (ENXIO); } data16[1] = mps_regread(sc, MPI2_DOORBELL_OFFSET) & MPI2_DOORBELL_DATA_MASK; mps_regwrite(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET, 0x0); /* Number of 32bit words in the message */ ioc_sz = reply->MsgLength; /* * Figure out how many 16bit words to clock in without overrunning. * The precision loss with dividing reply_sz can safely be * ignored because the messages can only be multiples of 32bits. */ residual = 0; count = MIN((reply_sz / 4), ioc_sz) * 2; if (count < ioc_sz * 2) { residual = ioc_sz * 2 - count; mps_dprint(sc, MPS_ERROR, "Driver error, throwing away %d " "residual message words\n", residual); } for (i = 2; i < count; i++) { if (mps_wait_db_int(sc) != 0) { mps_dprint(sc, MPS_FAULT, "Timeout reading doorbell %d\n", i); return (ENXIO); } data16[i] = mps_regread(sc, MPI2_DOORBELL_OFFSET) & MPI2_DOORBELL_DATA_MASK; mps_regwrite(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET, 0x0); } /* * Pull out residual words that won't fit into the provided buffer. * This keeps the chip from hanging due to a driver programming * error. */ while (residual--) { if (mps_wait_db_int(sc) != 0) { mps_dprint(sc, MPS_FAULT, "Timeout reading doorbell\n"); return (ENXIO); } (void)mps_regread(sc, MPI2_DOORBELL_OFFSET); mps_regwrite(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET, 0x0); } /* Step 7 */ if (mps_wait_db_int(sc) != 0) { mps_dprint(sc, MPS_FAULT, "Timeout waiting to exit doorbell\n"); return (ENXIO); } if (mps_regread(sc, MPI2_DOORBELL_OFFSET) & MPI2_DOORBELL_USED) mps_dprint(sc, MPS_FAULT, "Warning, doorbell still active\n"); mps_regwrite(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET, 0x0); return (0); } static void mps_enqueue_request(struct mps_softc *sc, struct mps_command *cm) { reply_descriptor rd; MPS_FUNCTRACE(sc); mps_dprint(sc, MPS_TRACE, "SMID %u cm %p ccb %p\n", cm->cm_desc.Default.SMID, cm, cm->cm_ccb); if (sc->mps_flags & MPS_FLAGS_ATTACH_DONE && !(sc->mps_flags & MPS_FLAGS_SHUTDOWN)) mtx_assert(&sc->mps_mtx, MA_OWNED); if (++sc->io_cmds_active > sc->io_cmds_highwater) sc->io_cmds_highwater++; rd.u.low = cm->cm_desc.Words.Low; rd.u.high = cm->cm_desc.Words.High; rd.word = htole64(rd.word); /* TODO-We may need to make below regwrite atomic */ mps_regwrite(sc, MPI2_REQUEST_DESCRIPTOR_POST_LOW_OFFSET, rd.u.low); mps_regwrite(sc, MPI2_REQUEST_DESCRIPTOR_POST_HIGH_OFFSET, rd.u.high); } /* * Just the FACTS, ma'am. */ static int mps_get_iocfacts(struct mps_softc *sc, MPI2_IOC_FACTS_REPLY *facts) { MPI2_DEFAULT_REPLY *reply; MPI2_IOC_FACTS_REQUEST request; int error, req_sz, reply_sz; MPS_FUNCTRACE(sc); req_sz = sizeof(MPI2_IOC_FACTS_REQUEST); reply_sz = sizeof(MPI2_IOC_FACTS_REPLY); reply = (MPI2_DEFAULT_REPLY *)facts; bzero(&request, req_sz); request.Function = MPI2_FUNCTION_IOC_FACTS; error = mps_request_sync(sc, &request, reply, req_sz, reply_sz, 5); return (error); } static int mps_send_iocinit(struct mps_softc *sc) { MPI2_IOC_INIT_REQUEST init; MPI2_DEFAULT_REPLY reply; int req_sz, reply_sz, error; struct timeval now; uint64_t time_in_msec; MPS_FUNCTRACE(sc); req_sz = sizeof(MPI2_IOC_INIT_REQUEST); reply_sz = sizeof(MPI2_IOC_INIT_REPLY); bzero(&init, req_sz); bzero(&reply, reply_sz); /* * Fill in the init block. Note that most addresses are * deliberately in the lower 32bits of memory. This is a micro- * optimzation for PCI/PCIX, though it's not clear if it helps PCIe. */ init.Function = MPI2_FUNCTION_IOC_INIT; init.WhoInit = MPI2_WHOINIT_HOST_DRIVER; init.MsgVersion = htole16(MPI2_VERSION); init.HeaderVersion = htole16(MPI2_HEADER_VERSION); init.SystemRequestFrameSize = htole16(sc->facts->IOCRequestFrameSize); init.ReplyDescriptorPostQueueDepth = htole16(sc->pqdepth); init.ReplyFreeQueueDepth = htole16(sc->fqdepth); init.SenseBufferAddressHigh = 0; init.SystemReplyAddressHigh = 0; init.SystemRequestFrameBaseAddress.High = 0; init.SystemRequestFrameBaseAddress.Low = htole32((uint32_t)sc->req_busaddr); init.ReplyDescriptorPostQueueAddress.High = 0; init.ReplyDescriptorPostQueueAddress.Low = htole32((uint32_t)sc->post_busaddr); init.ReplyFreeQueueAddress.High = 0; init.ReplyFreeQueueAddress.Low = htole32((uint32_t)sc->free_busaddr); getmicrotime(&now); time_in_msec = (now.tv_sec * 1000 + now.tv_usec/1000); init.TimeStamp.High = htole32((time_in_msec >> 32) & 0xFFFFFFFF); init.TimeStamp.Low = htole32(time_in_msec & 0xFFFFFFFF); error = mps_request_sync(sc, &init, &reply, req_sz, reply_sz, 5); if ((reply.IOCStatus & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS) error = ENXIO; mps_dprint(sc, MPS_INIT, "IOCInit status= 0x%x\n", reply.IOCStatus); return (error); } void mps_memaddr_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) { bus_addr_t *addr; addr = arg; *addr = segs[0].ds_addr; } static int mps_alloc_queues(struct mps_softc *sc) { bus_addr_t queues_busaddr; uint8_t *queues; int qsize, fqsize, pqsize; /* * The reply free queue contains 4 byte entries in multiples of 16 and * aligned on a 16 byte boundary. There must always be an unused entry. * This queue supplies fresh reply frames for the firmware to use. * * The reply descriptor post queue contains 8 byte entries in * multiples of 16 and aligned on a 16 byte boundary. This queue * contains filled-in reply frames sent from the firmware to the host. * * These two queues are allocated together for simplicity. */ sc->fqdepth = roundup2((sc->num_replies + 1), 16); sc->pqdepth = roundup2((sc->num_replies + 1), 16); fqsize= sc->fqdepth * 4; pqsize = sc->pqdepth * 8; qsize = fqsize + pqsize; if (bus_dma_tag_create( sc->mps_parent_dmat, /* parent */ 16, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ qsize, /* maxsize */ 1, /* nsegments */ qsize, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->queues_dmat)) { device_printf(sc->mps_dev, "Cannot allocate queues DMA tag\n"); return (ENOMEM); } if (bus_dmamem_alloc(sc->queues_dmat, (void **)&queues, BUS_DMA_NOWAIT, &sc->queues_map)) { device_printf(sc->mps_dev, "Cannot allocate queues memory\n"); return (ENOMEM); } bzero(queues, qsize); bus_dmamap_load(sc->queues_dmat, sc->queues_map, queues, qsize, mps_memaddr_cb, &queues_busaddr, 0); sc->free_queue = (uint32_t *)queues; sc->free_busaddr = queues_busaddr; sc->post_queue = (MPI2_REPLY_DESCRIPTORS_UNION *)(queues + fqsize); sc->post_busaddr = queues_busaddr + fqsize; return (0); } static int mps_alloc_replies(struct mps_softc *sc) { int rsize, num_replies; /* * sc->num_replies should be one less than sc->fqdepth. We need to * allocate space for sc->fqdepth replies, but only sc->num_replies * replies can be used at once. */ num_replies = max(sc->fqdepth, sc->num_replies); rsize = sc->facts->ReplyFrameSize * num_replies * 4; if (bus_dma_tag_create( sc->mps_parent_dmat, /* parent */ 4, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ rsize, /* maxsize */ 1, /* nsegments */ rsize, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->reply_dmat)) { device_printf(sc->mps_dev, "Cannot allocate replies DMA tag\n"); return (ENOMEM); } if (bus_dmamem_alloc(sc->reply_dmat, (void **)&sc->reply_frames, BUS_DMA_NOWAIT, &sc->reply_map)) { device_printf(sc->mps_dev, "Cannot allocate replies memory\n"); return (ENOMEM); } bzero(sc->reply_frames, rsize); bus_dmamap_load(sc->reply_dmat, sc->reply_map, sc->reply_frames, rsize, mps_memaddr_cb, &sc->reply_busaddr, 0); return (0); } static int mps_alloc_requests(struct mps_softc *sc) { struct mps_command *cm; struct mps_chain *chain; int i, rsize, nsegs; rsize = sc->facts->IOCRequestFrameSize * sc->num_reqs * 4; if (bus_dma_tag_create( sc->mps_parent_dmat, /* parent */ 16, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ rsize, /* maxsize */ 1, /* nsegments */ rsize, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->req_dmat)) { device_printf(sc->mps_dev, "Cannot allocate request DMA tag\n"); return (ENOMEM); } if (bus_dmamem_alloc(sc->req_dmat, (void **)&sc->req_frames, BUS_DMA_NOWAIT, &sc->req_map)) { device_printf(sc->mps_dev, "Cannot allocate request memory\n"); return (ENOMEM); } bzero(sc->req_frames, rsize); bus_dmamap_load(sc->req_dmat, sc->req_map, sc->req_frames, rsize, mps_memaddr_cb, &sc->req_busaddr, 0); rsize = sc->facts->IOCRequestFrameSize * sc->max_chains * 4; if (bus_dma_tag_create( sc->mps_parent_dmat, /* parent */ 16, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ rsize, /* maxsize */ 1, /* nsegments */ rsize, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->chain_dmat)) { device_printf(sc->mps_dev, "Cannot allocate chain DMA tag\n"); return (ENOMEM); } if (bus_dmamem_alloc(sc->chain_dmat, (void **)&sc->chain_frames, BUS_DMA_NOWAIT, &sc->chain_map)) { device_printf(sc->mps_dev, "Cannot allocate chain memory\n"); return (ENOMEM); } bzero(sc->chain_frames, rsize); bus_dmamap_load(sc->chain_dmat, sc->chain_map, sc->chain_frames, rsize, mps_memaddr_cb, &sc->chain_busaddr, 0); rsize = MPS_SENSE_LEN * sc->num_reqs; if (bus_dma_tag_create( sc->mps_parent_dmat, /* parent */ 1, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ rsize, /* maxsize */ 1, /* nsegments */ rsize, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->sense_dmat)) { device_printf(sc->mps_dev, "Cannot allocate sense DMA tag\n"); return (ENOMEM); } if (bus_dmamem_alloc(sc->sense_dmat, (void **)&sc->sense_frames, BUS_DMA_NOWAIT, &sc->sense_map)) { device_printf(sc->mps_dev, "Cannot allocate sense memory\n"); return (ENOMEM); } bzero(sc->sense_frames, rsize); bus_dmamap_load(sc->sense_dmat, sc->sense_map, sc->sense_frames, rsize, mps_memaddr_cb, &sc->sense_busaddr, 0); sc->chains = malloc(sizeof(struct mps_chain) * sc->max_chains, M_MPT2, M_WAITOK | M_ZERO); if(!sc->chains) { device_printf(sc->mps_dev, "Cannot allocate chains memory %s %d\n", __func__, __LINE__); return (ENOMEM); } for (i = 0; i < sc->max_chains; i++) { chain = &sc->chains[i]; chain->chain = (MPI2_SGE_IO_UNION *)(sc->chain_frames + i * sc->facts->IOCRequestFrameSize * 4); chain->chain_busaddr = sc->chain_busaddr + i * sc->facts->IOCRequestFrameSize * 4; mps_free_chain(sc, chain); sc->chain_free_lowwater++; } /* XXX Need to pick a more precise value */ nsegs = (MAXPHYS / PAGE_SIZE) + 1; if (bus_dma_tag_create( sc->mps_parent_dmat, /* parent */ 1, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ nsegs, /* nsegments */ BUS_SPACE_MAXSIZE_24BIT,/* maxsegsize */ BUS_DMA_ALLOCNOW, /* flags */ busdma_lock_mutex, /* lockfunc */ &sc->mps_mtx, /* lockarg */ &sc->buffer_dmat)) { device_printf(sc->mps_dev, "Cannot allocate buffer DMA tag\n"); return (ENOMEM); } /* * SMID 0 cannot be used as a free command per the firmware spec. * Just drop that command instead of risking accounting bugs. */ sc->commands = malloc(sizeof(struct mps_command) * sc->num_reqs, M_MPT2, M_WAITOK | M_ZERO); if(!sc->commands) { device_printf(sc->mps_dev, "Cannot allocate memory %s %d\n", __func__, __LINE__); return (ENOMEM); } for (i = 1; i < sc->num_reqs; i++) { cm = &sc->commands[i]; cm->cm_req = sc->req_frames + i * sc->facts->IOCRequestFrameSize * 4; cm->cm_req_busaddr = sc->req_busaddr + i * sc->facts->IOCRequestFrameSize * 4; cm->cm_sense = &sc->sense_frames[i]; cm->cm_sense_busaddr = sc->sense_busaddr + i * MPS_SENSE_LEN; cm->cm_desc.Default.SMID = i; cm->cm_sc = sc; TAILQ_INIT(&cm->cm_chain_list); callout_init_mtx(&cm->cm_callout, &sc->mps_mtx, 0); /* XXX Is a failure here a critical problem? */ if (bus_dmamap_create(sc->buffer_dmat, 0, &cm->cm_dmamap) == 0) if (i <= sc->facts->HighPriorityCredit) mps_free_high_priority_command(sc, cm); else mps_free_command(sc, cm); else { panic("failed to allocate command %d\n", i); sc->num_reqs = i; break; } } return (0); } static int mps_init_queues(struct mps_softc *sc) { int i; memset((uint8_t *)sc->post_queue, 0xff, sc->pqdepth * 8); /* * According to the spec, we need to use one less reply than we * have space for on the queue. So sc->num_replies (the number we * use) should be less than sc->fqdepth (allocated size). */ if (sc->num_replies >= sc->fqdepth) return (EINVAL); /* * Initialize all of the free queue entries. */ for (i = 0; i < sc->fqdepth; i++) sc->free_queue[i] = sc->reply_busaddr + (i * sc->facts->ReplyFrameSize * 4); sc->replyfreeindex = sc->num_replies; return (0); } /* Get the driver parameter tunables. Lowest priority are the driver defaults. * Next are the global settings, if they exist. Highest are the per-unit * settings, if they exist. */ static void mps_get_tunables(struct mps_softc *sc) { char tmpstr[80]; /* XXX default to some debugging for now */ sc->mps_debug = MPS_INFO|MPS_FAULT; sc->disable_msix = 0; sc->disable_msi = 0; sc->max_chains = MPS_CHAIN_FRAMES; sc->enable_ssu = MPS_SSU_ENABLE_SSD_DISABLE_HDD; sc->spinup_wait_time = DEFAULT_SPINUP_WAIT; /* * Grab the global variables. */ TUNABLE_INT_FETCH("hw.mps.debug_level", &sc->mps_debug); TUNABLE_INT_FETCH("hw.mps.disable_msix", &sc->disable_msix); TUNABLE_INT_FETCH("hw.mps.disable_msi", &sc->disable_msi); TUNABLE_INT_FETCH("hw.mps.max_chains", &sc->max_chains); TUNABLE_INT_FETCH("hw.mps.enable_ssu", &sc->enable_ssu); TUNABLE_INT_FETCH("hw.mps.spinup_wait_time", &sc->spinup_wait_time); /* Grab the unit-instance variables */ snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.debug_level", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->mps_debug); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.disable_msix", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->disable_msix); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.disable_msi", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->disable_msi); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.max_chains", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_chains); bzero(sc->exclude_ids, sizeof(sc->exclude_ids)); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.exclude_ids", device_get_unit(sc->mps_dev)); TUNABLE_STR_FETCH(tmpstr, sc->exclude_ids, sizeof(sc->exclude_ids)); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.enable_ssu", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->enable_ssu); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.spinup_wait_time", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->spinup_wait_time); } static void mps_setup_sysctl(struct mps_softc *sc) { struct sysctl_ctx_list *sysctl_ctx = NULL; struct sysctl_oid *sysctl_tree = NULL; char tmpstr[80], tmpstr2[80]; /* * Setup the sysctl variable so the user can change the debug level * on the fly. */ snprintf(tmpstr, sizeof(tmpstr), "MPS controller %d", device_get_unit(sc->mps_dev)); snprintf(tmpstr2, sizeof(tmpstr2), "%d", device_get_unit(sc->mps_dev)); sysctl_ctx = device_get_sysctl_ctx(sc->mps_dev); if (sysctl_ctx != NULL) sysctl_tree = device_get_sysctl_tree(sc->mps_dev); if (sysctl_tree == NULL) { sysctl_ctx_init(&sc->sysctl_ctx); sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx, SYSCTL_STATIC_CHILDREN(_hw_mps), OID_AUTO, tmpstr2, CTLFLAG_RD, 0, tmpstr); if (sc->sysctl_tree == NULL) return; sysctl_ctx = &sc->sysctl_ctx; sysctl_tree = sc->sysctl_tree; } SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "debug_level", CTLFLAG_RW, &sc->mps_debug, 0, "mps debug level"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "disable_msix", CTLFLAG_RD, &sc->disable_msix, 0, "Disable the use of MSI-X interrupts"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "disable_msi", CTLFLAG_RD, &sc->disable_msi, 0, "Disable the use of MSI interrupts"); SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "firmware_version", CTLFLAG_RW, sc->fw_version, strlen(sc->fw_version), "firmware version"); SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "driver_version", CTLFLAG_RW, MPS_DRIVER_VERSION, strlen(MPS_DRIVER_VERSION), "driver version"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "io_cmds_active", CTLFLAG_RD, &sc->io_cmds_active, 0, "number of currently active commands"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "io_cmds_highwater", CTLFLAG_RD, &sc->io_cmds_highwater, 0, "maximum active commands seen"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "chain_free", CTLFLAG_RD, &sc->chain_free, 0, "number of free chain elements"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "chain_free_lowwater", CTLFLAG_RD, &sc->chain_free_lowwater, 0,"lowest number of free chain elements"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "max_chains", CTLFLAG_RD, &sc->max_chains, 0,"maximum chain frames that will be allocated"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "enable_ssu", CTLFLAG_RW, &sc->enable_ssu, 0, "enable SSU to SATA SSD/HDD at shutdown"); SYSCTL_ADD_UQUAD(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "chain_alloc_fail", CTLFLAG_RD, &sc->chain_alloc_fail, "chain allocation failures"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "spinup_wait_time", CTLFLAG_RD, &sc->spinup_wait_time, DEFAULT_SPINUP_WAIT, "seconds to wait for " "spinup after SATA ID error"); + + SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), + OID_AUTO, "mapping_table_dump", CTLTYPE_STRING | CTLFLAG_RD, sc, 0, + mps_mapping_dump, "A", "Mapping Table Dump"); + + SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), + OID_AUTO, "encl_table_dump", CTLTYPE_STRING | CTLFLAG_RD, sc, 0, + mps_mapping_encl_dump, "A", "Enclosure Table Dump"); } int mps_attach(struct mps_softc *sc) { int error; mps_get_tunables(sc); MPS_FUNCTRACE(sc); mtx_init(&sc->mps_mtx, "MPT2SAS lock", NULL, MTX_DEF); callout_init_mtx(&sc->periodic, &sc->mps_mtx, 0); TAILQ_INIT(&sc->event_list); timevalclear(&sc->lastfail); if ((error = mps_transition_ready(sc)) != 0) { mps_printf(sc, "%s failed to transition ready\n", __func__); return (error); } sc->facts = malloc(sizeof(MPI2_IOC_FACTS_REPLY), M_MPT2, M_ZERO|M_NOWAIT); if(!sc->facts) { device_printf(sc->mps_dev, "Cannot allocate memory %s %d\n", __func__, __LINE__); return (ENOMEM); } /* * Get IOC Facts and allocate all structures based on this information. * A Diag Reset will also call mps_iocfacts_allocate and re-read the IOC * Facts. If relevant values have changed in IOC Facts, this function * will free all of the memory based on IOC Facts and reallocate that * memory. If this fails, any allocated memory should already be freed. */ if ((error = mps_iocfacts_allocate(sc, TRUE)) != 0) { mps_dprint(sc, MPS_FAULT, "%s IOC Facts based allocation " "failed with error %d\n", __func__, error); return (error); } /* Start the periodic watchdog check on the IOC Doorbell */ mps_periodic(sc); /* * The portenable will kick off discovery events that will drive the * rest of the initialization process. The CAM/SAS module will * hold up the boot sequence until discovery is complete. */ sc->mps_ich.ich_func = mps_startup; sc->mps_ich.ich_arg = sc; if (config_intrhook_establish(&sc->mps_ich) != 0) { mps_dprint(sc, MPS_ERROR, "Cannot establish MPS config hook\n"); error = EINVAL; } /* * Allow IR to shutdown gracefully when shutdown occurs. */ sc->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, mpssas_ir_shutdown, sc, SHUTDOWN_PRI_DEFAULT); if (sc->shutdown_eh == NULL) mps_dprint(sc, MPS_ERROR, "shutdown event registration " "failed\n"); mps_setup_sysctl(sc); sc->mps_flags |= MPS_FLAGS_ATTACH_DONE; return (error); } /* Run through any late-start handlers. */ static void mps_startup(void *arg) { struct mps_softc *sc; sc = (struct mps_softc *)arg; mps_lock(sc); mps_unmask_intr(sc); /* initialize device mapping tables */ mps_base_static_config_pages(sc); mps_mapping_initialize(sc); mpssas_startup(sc); mps_unlock(sc); } /* Periodic watchdog. Is called with the driver lock already held. */ static void mps_periodic(void *arg) { struct mps_softc *sc; uint32_t db; sc = (struct mps_softc *)arg; if (sc->mps_flags & MPS_FLAGS_SHUTDOWN) return; db = mps_regread(sc, MPI2_DOORBELL_OFFSET); if ((db & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { mps_dprint(sc, MPS_FAULT, "IOC Fault 0x%08x, Resetting\n", db); mps_reinit(sc); } callout_reset(&sc->periodic, MPS_PERIODIC_DELAY * hz, mps_periodic, sc); } static void mps_log_evt_handler(struct mps_softc *sc, uintptr_t data, MPI2_EVENT_NOTIFICATION_REPLY *event) { MPI2_EVENT_DATA_LOG_ENTRY_ADDED *entry; mps_print_event(sc, event); switch (event->Event) { case MPI2_EVENT_LOG_DATA: mps_dprint(sc, MPS_EVENT, "MPI2_EVENT_LOG_DATA:\n"); if (sc->mps_debug & MPS_EVENT) hexdump(event->EventData, event->EventDataLength, NULL, 0); break; case MPI2_EVENT_LOG_ENTRY_ADDED: entry = (MPI2_EVENT_DATA_LOG_ENTRY_ADDED *)event->EventData; mps_dprint(sc, MPS_EVENT, "MPI2_EVENT_LOG_ENTRY_ADDED event " "0x%x Sequence %d:\n", entry->LogEntryQualifier, entry->LogSequence); break; default: break; } return; } static int mps_attach_log(struct mps_softc *sc) { u32 events[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; bzero(events, 16); setbit(events, MPI2_EVENT_LOG_DATA); setbit(events, MPI2_EVENT_LOG_ENTRY_ADDED); mps_register_events(sc, events, mps_log_evt_handler, NULL, &sc->mps_log_eh); return (0); } static int mps_detach_log(struct mps_softc *sc) { if (sc->mps_log_eh != NULL) mps_deregister_events(sc, sc->mps_log_eh); return (0); } /* * Free all of the driver resources and detach submodules. Should be called * without the lock held. */ int mps_free(struct mps_softc *sc) { int error; /* Turn off the watchdog */ mps_lock(sc); sc->mps_flags |= MPS_FLAGS_SHUTDOWN; mps_unlock(sc); /* Lock must not be held for this */ callout_drain(&sc->periodic); if (((error = mps_detach_log(sc)) != 0) || ((error = mps_detach_sas(sc)) != 0)) return (error); mps_detach_user(sc); /* Put the IOC back in the READY state. */ mps_lock(sc); if ((error = mps_transition_ready(sc)) != 0) { mps_unlock(sc); return (error); } mps_unlock(sc); if (sc->facts != NULL) free(sc->facts, M_MPT2); /* * Free all buffers that are based on IOC Facts. A Diag Reset may need * to free these buffers too. */ mps_iocfacts_free(sc); if (sc->sysctl_tree != NULL) sysctl_ctx_free(&sc->sysctl_ctx); /* Deregister the shutdown function */ if (sc->shutdown_eh != NULL) EVENTHANDLER_DEREGISTER(shutdown_final, sc->shutdown_eh); mtx_destroy(&sc->mps_mtx); return (0); } static __inline void mps_complete_command(struct mps_softc *sc, struct mps_command *cm) { MPS_FUNCTRACE(sc); if (cm == NULL) { mps_dprint(sc, MPS_ERROR, "Completing NULL command\n"); return; } if (cm->cm_flags & MPS_CM_FLAGS_POLLED) cm->cm_flags |= MPS_CM_FLAGS_COMPLETE; if (cm->cm_complete != NULL) { mps_dprint(sc, MPS_TRACE, "%s cm %p calling cm_complete %p data %p reply %p\n", __func__, cm, cm->cm_complete, cm->cm_complete_data, cm->cm_reply); cm->cm_complete(sc, cm); } if (cm->cm_flags & MPS_CM_FLAGS_WAKEUP) { mps_dprint(sc, MPS_TRACE, "waking up %p\n", cm); wakeup(cm); } if (cm->cm_sc->io_cmds_active != 0) { cm->cm_sc->io_cmds_active--; } else { mps_dprint(sc, MPS_ERROR, "Warning: io_cmds_active is " "out of sync - resynching to 0\n"); } } static void mps_sas_log_info(struct mps_softc *sc , u32 log_info) { union loginfo_type { u32 loginfo; struct { u32 subcode:16; u32 code:8; u32 originator:4; u32 bus_type:4; } dw; }; union loginfo_type sas_loginfo; char *originator_str = NULL; sas_loginfo.loginfo = log_info; if (sas_loginfo.dw.bus_type != 3 /*SAS*/) return; /* each nexus loss loginfo */ if (log_info == 0x31170000) return; /* eat the loginfos associated with task aborts */ if ((log_info == 30050000 || log_info == 0x31140000 || log_info == 0x31130000)) return; switch (sas_loginfo.dw.originator) { case 0: originator_str = "IOP"; break; case 1: originator_str = "PL"; break; case 2: originator_str = "IR"; break; } mps_dprint(sc, MPS_LOG, "log_info(0x%08x): originator(%s), " "code(0x%02x), sub_code(0x%04x)\n", log_info, originator_str, sas_loginfo.dw.code, sas_loginfo.dw.subcode); } static void mps_display_reply_info(struct mps_softc *sc, uint8_t *reply) { MPI2DefaultReply_t *mpi_reply; u16 sc_status; mpi_reply = (MPI2DefaultReply_t*)reply; sc_status = le16toh(mpi_reply->IOCStatus); if (sc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) mps_sas_log_info(sc, le32toh(mpi_reply->IOCLogInfo)); } void mps_intr(void *data) { struct mps_softc *sc; uint32_t status; sc = (struct mps_softc *)data; mps_dprint(sc, MPS_TRACE, "%s\n", __func__); /* * Check interrupt status register to flush the bus. This is * needed for both INTx interrupts and driver-driven polling */ status = mps_regread(sc, MPI2_HOST_INTERRUPT_STATUS_OFFSET); if ((status & MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT) == 0) return; mps_lock(sc); mps_intr_locked(data); mps_unlock(sc); return; } /* * In theory, MSI/MSIX interrupts shouldn't need to read any registers on the * chip. Hopefully this theory is correct. */ void mps_intr_msi(void *data) { struct mps_softc *sc; sc = (struct mps_softc *)data; mps_dprint(sc, MPS_TRACE, "%s\n", __func__); mps_lock(sc); mps_intr_locked(data); mps_unlock(sc); return; } /* * The locking is overly broad and simplistic, but easy to deal with for now. */ void mps_intr_locked(void *data) { MPI2_REPLY_DESCRIPTORS_UNION *desc; struct mps_softc *sc; struct mps_command *cm = NULL; uint8_t flags; u_int pq; MPI2_DIAG_RELEASE_REPLY *rel_rep; mps_fw_diagnostic_buffer_t *pBuffer; sc = (struct mps_softc *)data; pq = sc->replypostindex; mps_dprint(sc, MPS_TRACE, "%s sc %p starting with replypostindex %u\n", __func__, sc, sc->replypostindex); for ( ;; ) { cm = NULL; desc = &sc->post_queue[sc->replypostindex]; flags = desc->Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; if ((flags == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) || (le32toh(desc->Words.High) == 0xffffffff)) break; /* increment the replypostindex now, so that event handlers * and cm completion handlers which decide to do a diag * reset can zero it without it getting incremented again * afterwards, and we break out of this loop on the next * iteration since the reply post queue has been cleared to * 0xFF and all descriptors look unused (which they are). */ if (++sc->replypostindex >= sc->pqdepth) sc->replypostindex = 0; switch (flags) { case MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS: cm = &sc->commands[le16toh(desc->SCSIIOSuccess.SMID)]; cm->cm_reply = NULL; break; case MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY: { uint32_t baddr; uint8_t *reply; /* * Re-compose the reply address from the address * sent back from the chip. The ReplyFrameAddress * is the lower 32 bits of the physical address of * particular reply frame. Convert that address to * host format, and then use that to provide the * offset against the virtual address base * (sc->reply_frames). */ baddr = le32toh(desc->AddressReply.ReplyFrameAddress); reply = sc->reply_frames + (baddr - ((uint32_t)sc->reply_busaddr)); /* * Make sure the reply we got back is in a valid * range. If not, go ahead and panic here, since * we'll probably panic as soon as we deference the * reply pointer anyway. */ if ((reply < sc->reply_frames) || (reply > (sc->reply_frames + (sc->fqdepth * sc->facts->ReplyFrameSize * 4)))) { printf("%s: WARNING: reply %p out of range!\n", __func__, reply); printf("%s: reply_frames %p, fqdepth %d, " "frame size %d\n", __func__, sc->reply_frames, sc->fqdepth, sc->facts->ReplyFrameSize * 4); printf("%s: baddr %#x,\n", __func__, baddr); /* LSI-TODO. See Linux Code. Need Gracefull exit*/ panic("Reply address out of range"); } if (le16toh(desc->AddressReply.SMID) == 0) { if (((MPI2_DEFAULT_REPLY *)reply)->Function == MPI2_FUNCTION_DIAG_BUFFER_POST) { /* * If SMID is 0 for Diag Buffer Post, * this implies that the reply is due to * a release function with a status that * the buffer has been released. Set * the buffer flags accordingly. */ rel_rep = (MPI2_DIAG_RELEASE_REPLY *)reply; if (le16toh(rel_rep->IOCStatus) == MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED) { pBuffer = &sc->fw_diag_buffer_list[ rel_rep->BufferType]; pBuffer->valid_data = TRUE; pBuffer->owned_by_firmware = FALSE; pBuffer->immediate = FALSE; } } else mps_dispatch_event(sc, baddr, (MPI2_EVENT_NOTIFICATION_REPLY *) reply); } else { cm = &sc->commands[le16toh(desc->AddressReply.SMID)]; cm->cm_reply = reply; cm->cm_reply_data = le32toh(desc->AddressReply.ReplyFrameAddress); } break; } case MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS: case MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER: case MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS: default: /* Unhandled */ mps_dprint(sc, MPS_ERROR, "Unhandled reply 0x%x\n", desc->Default.ReplyFlags); cm = NULL; break; } if (cm != NULL) { // Print Error reply frame if (cm->cm_reply) mps_display_reply_info(sc,cm->cm_reply); mps_complete_command(sc, cm); } desc->Words.Low = 0xffffffff; desc->Words.High = 0xffffffff; } if (pq != sc->replypostindex) { mps_dprint(sc, MPS_TRACE, "%s sc %p writing postindex %d\n", __func__, sc, sc->replypostindex); mps_regwrite(sc, MPI2_REPLY_POST_HOST_INDEX_OFFSET, sc->replypostindex); } return; } static void mps_dispatch_event(struct mps_softc *sc, uintptr_t data, MPI2_EVENT_NOTIFICATION_REPLY *reply) { struct mps_event_handle *eh; int event, handled = 0; event = le16toh(reply->Event); TAILQ_FOREACH(eh, &sc->event_list, eh_list) { if (isset(eh->mask, event)) { eh->callback(sc, data, reply); handled++; } } if (handled == 0) mps_dprint(sc, MPS_EVENT, "Unhandled event 0x%x\n", le16toh(event)); /* * This is the only place that the event/reply should be freed. * Anything wanting to hold onto the event data should have * already copied it into their own storage. */ mps_free_reply(sc, data); } static void mps_reregister_events_complete(struct mps_softc *sc, struct mps_command *cm) { mps_dprint(sc, MPS_TRACE, "%s\n", __func__); if (cm->cm_reply) mps_print_event(sc, (MPI2_EVENT_NOTIFICATION_REPLY *)cm->cm_reply); mps_free_command(sc, cm); /* next, send a port enable */ mpssas_startup(sc); } /* * For both register_events and update_events, the caller supplies a bitmap * of events that it _wants_. These functions then turn that into a bitmask * suitable for the controller. */ int mps_register_events(struct mps_softc *sc, u32 *mask, mps_evt_callback_t *cb, void *data, struct mps_event_handle **handle) { struct mps_event_handle *eh; int error = 0; eh = malloc(sizeof(struct mps_event_handle), M_MPT2, M_WAITOK|M_ZERO); if(!eh) { device_printf(sc->mps_dev, "Cannot allocate memory %s %d\n", __func__, __LINE__); return (ENOMEM); } eh->callback = cb; eh->data = data; TAILQ_INSERT_TAIL(&sc->event_list, eh, eh_list); if (mask != NULL) error = mps_update_events(sc, eh, mask); *handle = eh; return (error); } int mps_update_events(struct mps_softc *sc, struct mps_event_handle *handle, u32 *mask) { MPI2_EVENT_NOTIFICATION_REQUEST *evtreq; MPI2_EVENT_NOTIFICATION_REPLY *reply; struct mps_command *cm; int error, i; mps_dprint(sc, MPS_TRACE, "%s\n", __func__); if ((mask != NULL) && (handle != NULL)) bcopy(mask, &handle->mask[0], sizeof(u32) * MPI2_EVENT_NOTIFY_EVENTMASK_WORDS); for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) sc->event_mask[i] = -1; for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) sc->event_mask[i] &= ~handle->mask[i]; if ((cm = mps_alloc_command(sc)) == NULL) return (EBUSY); evtreq = (MPI2_EVENT_NOTIFICATION_REQUEST *)cm->cm_req; evtreq->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; evtreq->MsgFlags = 0; evtreq->SASBroadcastPrimitiveMasks = 0; #ifdef MPS_DEBUG_ALL_EVENTS { u_char fullmask[16]; memset(fullmask, 0x00, 16); bcopy(fullmask, &evtreq->EventMasks[0], sizeof(u32) * MPI2_EVENT_NOTIFY_EVENTMASK_WORDS); } #else for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) evtreq->EventMasks[i] = htole32(sc->event_mask[i]); #endif cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; cm->cm_data = NULL; error = mps_wait_command(sc, cm, 60, 0); reply = (MPI2_EVENT_NOTIFICATION_REPLY *)cm->cm_reply; if ((reply == NULL) || (reply->IOCStatus & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS) error = ENXIO; mps_print_event(sc, reply); mps_dprint(sc, MPS_TRACE, "%s finished error %d\n", __func__, error); mps_free_command(sc, cm); return (error); } static int mps_reregister_events(struct mps_softc *sc) { MPI2_EVENT_NOTIFICATION_REQUEST *evtreq; struct mps_command *cm; struct mps_event_handle *eh; int error, i; mps_dprint(sc, MPS_TRACE, "%s\n", __func__); /* first, reregister events */ for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) sc->event_mask[i] = -1; TAILQ_FOREACH(eh, &sc->event_list, eh_list) { for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) sc->event_mask[i] &= ~eh->mask[i]; } if ((cm = mps_alloc_command(sc)) == NULL) return (EBUSY); evtreq = (MPI2_EVENT_NOTIFICATION_REQUEST *)cm->cm_req; evtreq->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; evtreq->MsgFlags = 0; evtreq->SASBroadcastPrimitiveMasks = 0; #ifdef MPS_DEBUG_ALL_EVENTS { u_char fullmask[16]; memset(fullmask, 0x00, 16); bcopy(fullmask, &evtreq->EventMasks[0], sizeof(u32) * MPI2_EVENT_NOTIFY_EVENTMASK_WORDS); } #else for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) evtreq->EventMasks[i] = htole32(sc->event_mask[i]); #endif cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; cm->cm_data = NULL; cm->cm_complete = mps_reregister_events_complete; error = mps_map_command(sc, cm); mps_dprint(sc, MPS_TRACE, "%s finished with error %d\n", __func__, error); return (error); } void mps_deregister_events(struct mps_softc *sc, struct mps_event_handle *handle) { TAILQ_REMOVE(&sc->event_list, handle, eh_list); free(handle, M_MPT2); } /* * Add a chain element as the next SGE for the specified command. * Reset cm_sge and cm_sgesize to indicate all the available space. */ static int mps_add_chain(struct mps_command *cm) { MPI2_SGE_CHAIN32 *sgc; struct mps_chain *chain; int space; if (cm->cm_sglsize < MPS_SGC_SIZE) panic("MPS: Need SGE Error Code\n"); chain = mps_alloc_chain(cm->cm_sc); if (chain == NULL) return (ENOBUFS); space = (int)cm->cm_sc->facts->IOCRequestFrameSize * 4; /* * Note: a double-linked list is used to make it easier to * walk for debugging. */ TAILQ_INSERT_TAIL(&cm->cm_chain_list, chain, chain_link); sgc = (MPI2_SGE_CHAIN32 *)&cm->cm_sge->MpiChain; sgc->Length = htole16(space); sgc->NextChainOffset = 0; /* TODO Looks like bug in Setting sgc->Flags. * sgc->Flags = ( MPI2_SGE_FLAGS_CHAIN_ELEMENT | MPI2_SGE_FLAGS_64_BIT_ADDRESSING | * MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT * This is fine.. because we are not using simple element. In case of * MPI2_SGE_CHAIN32, we have seperate Length and Flags feild. */ sgc->Flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT; sgc->Address = htole32(chain->chain_busaddr); cm->cm_sge = (MPI2_SGE_IO_UNION *)&chain->chain->MpiSimple; cm->cm_sglsize = space; return (0); } /* * Add one scatter-gather element (chain, simple, transaction context) * to the scatter-gather list for a command. Maintain cm_sglsize and * cm_sge as the remaining size and pointer to the next SGE to fill * in, respectively. */ int mps_push_sge(struct mps_command *cm, void *sgep, size_t len, int segsleft) { MPI2_SGE_TRANSACTION_UNION *tc = sgep; MPI2_SGE_SIMPLE64 *sge = sgep; int error, type; uint32_t saved_buf_len, saved_address_low, saved_address_high; type = (tc->Flags & MPI2_SGE_FLAGS_ELEMENT_MASK); #ifdef INVARIANTS switch (type) { case MPI2_SGE_FLAGS_TRANSACTION_ELEMENT: { if (len != tc->DetailsLength + 4) panic("TC %p length %u or %zu?", tc, tc->DetailsLength + 4, len); } break; case MPI2_SGE_FLAGS_CHAIN_ELEMENT: /* Driver only uses 32-bit chain elements */ if (len != MPS_SGC_SIZE) panic("CHAIN %p length %u or %zu?", sgep, MPS_SGC_SIZE, len); break; case MPI2_SGE_FLAGS_SIMPLE_ELEMENT: /* Driver only uses 64-bit SGE simple elements */ if (len != MPS_SGE64_SIZE) panic("SGE simple %p length %u or %zu?", sge, MPS_SGE64_SIZE, len); if (((le32toh(sge->FlagsLength) >> MPI2_SGE_FLAGS_SHIFT) & MPI2_SGE_FLAGS_ADDRESS_SIZE) == 0) panic("SGE simple %p not marked 64-bit?", sge); break; default: panic("Unexpected SGE %p, flags %02x", tc, tc->Flags); } #endif /* * case 1: 1 more segment, enough room for it * case 2: 2 more segments, enough room for both * case 3: >=2 more segments, only enough room for 1 and a chain * case 4: >=1 more segment, enough room for only a chain * case 5: >=1 more segment, no room for anything (error) */ /* * There should be room for at least a chain element, or this * code is buggy. Case (5). */ if (cm->cm_sglsize < MPS_SGC_SIZE) panic("MPS: Need SGE Error Code\n"); if (segsleft >= 2 && cm->cm_sglsize < len + MPS_SGC_SIZE + MPS_SGE64_SIZE) { /* * There are 2 or more segments left to add, and only * enough room for 1 and a chain. Case (3). * * Mark as last element in this chain if necessary. */ if (type == MPI2_SGE_FLAGS_SIMPLE_ELEMENT) { sge->FlagsLength |= htole32( MPI2_SGE_FLAGS_LAST_ELEMENT << MPI2_SGE_FLAGS_SHIFT); } /* * Add the item then a chain. Do the chain now, * rather than on the next iteration, to simplify * understanding the code. */ cm->cm_sglsize -= len; bcopy(sgep, cm->cm_sge, len); cm->cm_sge = (MPI2_SGE_IO_UNION *)((uintptr_t)cm->cm_sge + len); return (mps_add_chain(cm)); } if (segsleft >= 1 && cm->cm_sglsize < len + MPS_SGC_SIZE) { /* * 1 or more segment, enough room for only a chain. * Hope the previous element wasn't a Simple entry * that needed to be marked with * MPI2_SGE_FLAGS_LAST_ELEMENT. Case (4). */ if ((error = mps_add_chain(cm)) != 0) return (error); } #ifdef INVARIANTS /* Case 1: 1 more segment, enough room for it. */ if (segsleft == 1 && cm->cm_sglsize < len) panic("1 seg left and no room? %u versus %zu", cm->cm_sglsize, len); /* Case 2: 2 more segments, enough room for both */ if (segsleft == 2 && cm->cm_sglsize < len + MPS_SGE64_SIZE) panic("2 segs left and no room? %u versus %zu", cm->cm_sglsize, len); #endif if (segsleft == 1 && type == MPI2_SGE_FLAGS_SIMPLE_ELEMENT) { /* * If this is a bi-directional request, need to account for that * here. Save the pre-filled sge values. These will be used * either for the 2nd SGL or for a single direction SGL. If * cm_out_len is non-zero, this is a bi-directional request, so * fill in the OUT SGL first, then the IN SGL, otherwise just * fill in the IN SGL. Note that at this time, when filling in * 2 SGL's for a bi-directional request, they both use the same * DMA buffer (same cm command). */ saved_buf_len = le32toh(sge->FlagsLength) & 0x00FFFFFF; saved_address_low = sge->Address.Low; saved_address_high = sge->Address.High; if (cm->cm_out_len) { sge->FlagsLength = htole32(cm->cm_out_len | ((uint32_t)(MPI2_SGE_FLAGS_SIMPLE_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC | MPI2_SGE_FLAGS_64_BIT_ADDRESSING) << MPI2_SGE_FLAGS_SHIFT)); cm->cm_sglsize -= len; bcopy(sgep, cm->cm_sge, len); cm->cm_sge = (MPI2_SGE_IO_UNION *)((uintptr_t)cm->cm_sge + len); } saved_buf_len |= ((uint32_t)(MPI2_SGE_FLAGS_SIMPLE_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_64_BIT_ADDRESSING) << MPI2_SGE_FLAGS_SHIFT); if (cm->cm_flags & MPS_CM_FLAGS_DATAIN) { saved_buf_len |= ((uint32_t)(MPI2_SGE_FLAGS_IOC_TO_HOST) << MPI2_SGE_FLAGS_SHIFT); } else { saved_buf_len |= ((uint32_t)(MPI2_SGE_FLAGS_HOST_TO_IOC) << MPI2_SGE_FLAGS_SHIFT); } sge->FlagsLength = htole32(saved_buf_len); sge->Address.Low = saved_address_low; sge->Address.High = saved_address_high; } cm->cm_sglsize -= len; bcopy(sgep, cm->cm_sge, len); cm->cm_sge = (MPI2_SGE_IO_UNION *)((uintptr_t)cm->cm_sge + len); return (0); } /* * Add one dma segment to the scatter-gather list for a command. */ int mps_add_dmaseg(struct mps_command *cm, vm_paddr_t pa, size_t len, u_int flags, int segsleft) { MPI2_SGE_SIMPLE64 sge; /* * This driver always uses 64-bit address elements for simplicity. */ bzero(&sge, sizeof(sge)); flags |= MPI2_SGE_FLAGS_SIMPLE_ELEMENT | MPI2_SGE_FLAGS_64_BIT_ADDRESSING; sge.FlagsLength = htole32(len | (flags << MPI2_SGE_FLAGS_SHIFT)); mps_from_u64(pa, &sge.Address); return (mps_push_sge(cm, &sge, sizeof sge, segsleft)); } static void mps_data_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) { struct mps_softc *sc; struct mps_command *cm; u_int i, dir, sflags; cm = (struct mps_command *)arg; sc = cm->cm_sc; /* * In this case, just print out a warning and let the chip tell the * user they did the wrong thing. */ if ((cm->cm_max_segs != 0) && (nsegs > cm->cm_max_segs)) { mps_dprint(sc, MPS_ERROR, "%s: warning: busdma returned %d segments, " "more than the %d allowed\n", __func__, nsegs, cm->cm_max_segs); } /* * Set up DMA direction flags. Bi-directional requests are also handled * here. In that case, both direction flags will be set. */ sflags = 0; if (cm->cm_flags & MPS_CM_FLAGS_SMP_PASS) { /* * We have to add a special case for SMP passthrough, there * is no easy way to generically handle it. The first * S/G element is used for the command (therefore the * direction bit needs to be set). The second one is used * for the reply. We'll leave it to the caller to make * sure we only have two buffers. */ /* * Even though the busdma man page says it doesn't make * sense to have both direction flags, it does in this case. * We have one s/g element being accessed in each direction. */ dir = BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD; /* * Set the direction flag on the first buffer in the SMP * passthrough request. We'll clear it for the second one. */ sflags |= MPI2_SGE_FLAGS_DIRECTION | MPI2_SGE_FLAGS_END_OF_BUFFER; } else if (cm->cm_flags & MPS_CM_FLAGS_DATAOUT) { sflags |= MPI2_SGE_FLAGS_HOST_TO_IOC; dir = BUS_DMASYNC_PREWRITE; } else dir = BUS_DMASYNC_PREREAD; for (i = 0; i < nsegs; i++) { if ((cm->cm_flags & MPS_CM_FLAGS_SMP_PASS) && (i != 0)) { sflags &= ~MPI2_SGE_FLAGS_DIRECTION; } error = mps_add_dmaseg(cm, segs[i].ds_addr, segs[i].ds_len, sflags, nsegs - i); if (error != 0) { /* Resource shortage, roll back! */ if (ratecheck(&sc->lastfail, &mps_chainfail_interval)) mps_dprint(sc, MPS_INFO, "Out of chain frames, " "consider increasing hw.mps.max_chains.\n"); cm->cm_flags |= MPS_CM_FLAGS_CHAIN_FAILED; mps_complete_command(sc, cm); return; } } bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir); mps_enqueue_request(sc, cm); return; } static void mps_data_cb2(void *arg, bus_dma_segment_t *segs, int nsegs, bus_size_t mapsize, int error) { mps_data_cb(arg, segs, nsegs, error); } /* * This is the routine to enqueue commands ansynchronously. * Note that the only error path here is from bus_dmamap_load(), which can * return EINPROGRESS if it is waiting for resources. Other than this, it's * assumed that if you have a command in-hand, then you have enough credits * to use it. */ int mps_map_command(struct mps_softc *sc, struct mps_command *cm) { int error = 0; if (cm->cm_flags & MPS_CM_FLAGS_USE_UIO) { error = bus_dmamap_load_uio(sc->buffer_dmat, cm->cm_dmamap, &cm->cm_uio, mps_data_cb2, cm, 0); } else if (cm->cm_flags & MPS_CM_FLAGS_USE_CCB) { error = bus_dmamap_load_ccb(sc->buffer_dmat, cm->cm_dmamap, cm->cm_data, mps_data_cb, cm, 0); } else if ((cm->cm_data != NULL) && (cm->cm_length != 0)) { error = bus_dmamap_load(sc->buffer_dmat, cm->cm_dmamap, cm->cm_data, cm->cm_length, mps_data_cb, cm, 0); } else { /* Add a zero-length element as needed */ if (cm->cm_sge != NULL) mps_add_dmaseg(cm, 0, 0, 0, 1); mps_enqueue_request(sc, cm); } return (error); } /* * This is the routine to enqueue commands synchronously. An error of * EINPROGRESS from mps_map_command() is ignored since the command will * be executed and enqueued automatically. Other errors come from msleep(). */ int mps_wait_command(struct mps_softc *sc, struct mps_command *cm, int timeout, int sleep_flag) { int error, rc; struct timeval cur_time, start_time; if (sc->mps_flags & MPS_FLAGS_DIAGRESET) return EBUSY; cm->cm_complete = NULL; cm->cm_flags |= MPS_CM_FLAGS_POLLED; error = mps_map_command(sc, cm); if ((error != 0) && (error != EINPROGRESS)) return (error); /* * Check for context and wait for 50 mSec at a time until time has * expired or the command has finished. If msleep can't be used, need * to poll. */ if (curthread->td_no_sleeping != 0) sleep_flag = NO_SLEEP; getmicrotime(&start_time); if (mtx_owned(&sc->mps_mtx) && sleep_flag == CAN_SLEEP) { cm->cm_flags |= MPS_CM_FLAGS_WAKEUP; error = msleep(cm, &sc->mps_mtx, 0, "mpswait", timeout*hz); } else { while ((cm->cm_flags & MPS_CM_FLAGS_COMPLETE) == 0) { mps_intr_locked(sc); if (sleep_flag == CAN_SLEEP) pause("mpswait", hz/20); else DELAY(50000); getmicrotime(&cur_time); if ((cur_time.tv_sec - start_time.tv_sec) > timeout) { error = EWOULDBLOCK; break; } } } if (error == EWOULDBLOCK) { mps_dprint(sc, MPS_FAULT, "Calling Reinit from %s\n", __func__); rc = mps_reinit(sc); mps_dprint(sc, MPS_FAULT, "Reinit %s\n", (rc == 0) ? "success" : "failed"); error = ETIMEDOUT; } return (error); } /* * The MPT driver had a verbose interface for config pages. In this driver, * reduce it to much simplier terms, similar to the Linux driver. */ int mps_read_config_page(struct mps_softc *sc, struct mps_config_params *params) { MPI2_CONFIG_REQUEST *req; struct mps_command *cm; int error; if (sc->mps_flags & MPS_FLAGS_BUSY) { return (EBUSY); } cm = mps_alloc_command(sc); if (cm == NULL) { return (EBUSY); } req = (MPI2_CONFIG_REQUEST *)cm->cm_req; req->Function = MPI2_FUNCTION_CONFIG; req->Action = params->action; req->SGLFlags = 0; req->ChainOffset = 0; req->PageAddress = params->page_address; if (params->hdr.Struct.PageType == MPI2_CONFIG_PAGETYPE_EXTENDED) { MPI2_CONFIG_EXTENDED_PAGE_HEADER *hdr; hdr = ¶ms->hdr.Ext; req->ExtPageType = hdr->ExtPageType; req->ExtPageLength = hdr->ExtPageLength; req->Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; req->Header.PageLength = 0; /* Must be set to zero */ req->Header.PageNumber = hdr->PageNumber; req->Header.PageVersion = hdr->PageVersion; } else { MPI2_CONFIG_PAGE_HEADER *hdr; hdr = ¶ms->hdr.Struct; req->Header.PageType = hdr->PageType; req->Header.PageNumber = hdr->PageNumber; req->Header.PageLength = hdr->PageLength; req->Header.PageVersion = hdr->PageVersion; } cm->cm_data = params->buffer; cm->cm_length = params->length; if (cm->cm_data != NULL) { cm->cm_sge = &req->PageBufferSGE; cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; } else cm->cm_sge = NULL; cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; cm->cm_complete_data = params; if (params->callback != NULL) { cm->cm_complete = mps_config_complete; return (mps_map_command(sc, cm)); } else { error = mps_wait_command(sc, cm, 0, CAN_SLEEP); if (error) { mps_dprint(sc, MPS_FAULT, "Error %d reading config page\n", error); mps_free_command(sc, cm); return (error); } mps_config_complete(sc, cm); } return (0); } int mps_write_config_page(struct mps_softc *sc, struct mps_config_params *params) { return (EINVAL); } static void mps_config_complete(struct mps_softc *sc, struct mps_command *cm) { MPI2_CONFIG_REPLY *reply; struct mps_config_params *params; MPS_FUNCTRACE(sc); params = cm->cm_complete_data; if (cm->cm_data != NULL) { bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap); } /* * XXX KDM need to do more error recovery? This results in the * device in question not getting probed. */ if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) { params->status = MPI2_IOCSTATUS_BUSY; goto done; } reply = (MPI2_CONFIG_REPLY *)cm->cm_reply; if (reply == NULL) { params->status = MPI2_IOCSTATUS_BUSY; goto done; } params->status = reply->IOCStatus; if (params->hdr.Struct.PageType == MPI2_CONFIG_PAGETYPE_EXTENDED) { params->hdr.Ext.ExtPageType = reply->ExtPageType; params->hdr.Ext.ExtPageLength = reply->ExtPageLength; params->hdr.Ext.PageType = reply->Header.PageType; params->hdr.Ext.PageNumber = reply->Header.PageNumber; params->hdr.Ext.PageVersion = reply->Header.PageVersion; } else { params->hdr.Struct.PageType = reply->Header.PageType; params->hdr.Struct.PageNumber = reply->Header.PageNumber; params->hdr.Struct.PageLength = reply->Header.PageLength; params->hdr.Struct.PageVersion = reply->Header.PageVersion; } done: mps_free_command(sc, cm); if (params->callback != NULL) params->callback(sc, params); return; } Index: head/sys/dev/mps/mps_mapping.c =================================================================== --- head/sys/dev/mps/mps_mapping.c (revision 295285) +++ head/sys/dev/mps/mps_mapping.c (revision 295286) @@ -1,2265 +1,2324 @@ /*- * Copyright (c) 2011-2015 LSI Corp. * Copyright (c) 2013-2015 Avago Technologies * 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. * * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD */ #include __FBSDID("$FreeBSD$"); /* 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 /** * _mapping_clear_entry - Clear a particular mapping entry. * @map_entry: map table entry * * Returns nothing. */ static inline void _mapping_clear_map_entry(struct dev_mapping_table *map_entry) { map_entry->physical_id = 0; map_entry->device_info = 0; map_entry->phy_bits = 0; map_entry->dpm_entry_num = MPS_DPM_BAD_IDX; map_entry->dev_handle = 0; map_entry->channel = -1; map_entry->id = -1; map_entry->missing_count = 0; map_entry->init_complete = 0; map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR; } /** * _mapping_clear_enc_entry - Clear a particular enclosure table entry. * @enc_entry: enclosure table entry * * Returns nothing. */ static inline void _mapping_clear_enc_entry(struct enc_mapping_table *enc_entry) { enc_entry->enclosure_id = 0; enc_entry->start_index = MPS_MAPTABLE_BAD_IDX; enc_entry->phy_bits = 0; enc_entry->dpm_entry_num = MPS_DPM_BAD_IDX; enc_entry->enc_handle = 0; enc_entry->num_slots = 0; enc_entry->start_slot = 0; enc_entry->missing_count = 0; enc_entry->removal_flag = 0; enc_entry->skip_search = 0; enc_entry->init_complete = 0; } /** * _mapping_commit_enc_entry - write a particular enc entry in DPM page0. * @sc: per adapter object * @enc_entry: enclosure table entry * * Returns 0 for success, non-zero for failure. */ static int _mapping_commit_enc_entry(struct mps_softc *sc, struct enc_mapping_table *et_entry) { Mpi2DriverMap0Entry_t *dpm_entry; struct dev_mapping_table *mt_entry; Mpi2ConfigReply_t mpi_reply; Mpi2DriverMappingPage0_t config_page; if (!sc->is_dpm_enable) return 0; memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t)); memcpy(&config_page.Header, (u8 *) sc->dpm_pg0, sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry += et_entry->dpm_entry_num; dpm_entry->PhysicalIdentifier.Low = ( 0xFFFFFFFF & et_entry->enclosure_id); dpm_entry->PhysicalIdentifier.High = ( et_entry->enclosure_id >> 32); mt_entry = &sc->mapping_table[et_entry->start_index]; dpm_entry->DeviceIndex = htole16(mt_entry->id); dpm_entry->MappingInformation = et_entry->num_slots; dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; dpm_entry->MappingInformation |= et_entry->missing_count; dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation); dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits); dpm_entry->Reserved1 = 0; memcpy(&config_page.Entry, (u8 *)dpm_entry, sizeof(Mpi2DriverMap0Entry_t)); if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page, et_entry->dpm_entry_num)) { printf("%s: write of dpm entry %d for enclosure failed\n", __func__, et_entry->dpm_entry_num); dpm_entry->MappingInformation = le16toh(dpm_entry-> MappingInformation); dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->PhysicalBitsMapping); return -1; } dpm_entry->MappingInformation = le16toh(dpm_entry-> MappingInformation); dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->PhysicalBitsMapping); return 0; } /** * _mapping_commit_map_entry - write a particular map table entry in DPM page0. * @sc: per adapter object * @enc_entry: enclosure table entry * * Returns 0 for success, non-zero for failure. */ static int _mapping_commit_map_entry(struct mps_softc *sc, struct dev_mapping_table *mt_entry) { Mpi2DriverMap0Entry_t *dpm_entry; Mpi2ConfigReply_t mpi_reply; Mpi2DriverMappingPage0_t config_page; if (!sc->is_dpm_enable) return 0; memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t)); memcpy(&config_page.Header, (u8 *)sc->dpm_pg0, sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *) sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry = dpm_entry + mt_entry->dpm_entry_num; dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF & mt_entry->physical_id); dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32); dpm_entry->DeviceIndex = htole16(mt_entry->id); dpm_entry->MappingInformation = htole16(mt_entry->missing_count); dpm_entry->PhysicalBitsMapping = 0; dpm_entry->Reserved1 = 0; dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation); memcpy(&config_page.Entry, (u8 *)dpm_entry, sizeof(Mpi2DriverMap0Entry_t)); if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page, mt_entry->dpm_entry_num)) { printf("%s: write of dpm entry %d for device failed\n", __func__, mt_entry->dpm_entry_num); dpm_entry->MappingInformation = le16toh(dpm_entry-> MappingInformation); dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); return -1; } dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation); dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); return 0; } /** * _mapping_get_ir_maprange - get start and end index for IR map range. * @sc: per adapter object * @start_idx: place holder for start index * @end_idx: place holder for end index * * The IR volumes can be mapped either at start or end of the mapping table * this function gets the detail of where IR volume mapping starts and ends * in the device mapping table * * Returns nothing. */ static void _mapping_get_ir_maprange(struct mps_softc *sc, u32 *start_idx, u32 *end_idx) { u16 volume_mapping_flags; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 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; } /** * _mapping_get_enc_idx_from_id - get enclosure index from enclosure ID * @sc: per adapter object * @enc_id: enclosure logical identifier * * Returns the index of enclosure entry on success or bad index. */ static u8 _mapping_get_enc_idx_from_id(struct mps_softc *sc, u64 enc_id, u64 phy_bits) { struct enc_mapping_table *et_entry; u8 enc_idx = 0; for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) { et_entry = &sc->enclosure_table[enc_idx]; if ((et_entry->enclosure_id == le64toh(enc_id)) && (!et_entry->phy_bits || (et_entry->phy_bits & le32toh(phy_bits)))) return enc_idx; } return MPS_ENCTABLE_BAD_IDX; } /** * _mapping_get_enc_idx_from_handle - get enclosure index from handle * @sc: per adapter object * @enc_id: enclosure handle * * Returns the index of enclosure entry on success or bad index. */ static u8 _mapping_get_enc_idx_from_handle(struct mps_softc *sc, u16 handle) { struct enc_mapping_table *et_entry; u8 enc_idx = 0; for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) { et_entry = &sc->enclosure_table[enc_idx]; if (et_entry->missing_count) continue; if (et_entry->enc_handle == handle) return enc_idx; } return MPS_ENCTABLE_BAD_IDX; } /** * _mapping_get_high_missing_et_idx - get missing enclosure index * @sc: per adapter object * * Search through the enclosure table and identifies the enclosure entry * with high missing count and returns it's index * * Returns the index of enclosure entry on success or bad index. */ static u8 _mapping_get_high_missing_et_idx(struct mps_softc *sc) { struct enc_mapping_table *et_entry; u8 high_missing_count = 0; u8 enc_idx, high_idx = MPS_ENCTABLE_BAD_IDX; for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) { et_entry = &sc->enclosure_table[enc_idx]; if ((et_entry->missing_count > high_missing_count) && !et_entry->skip_search) { high_missing_count = et_entry->missing_count; high_idx = enc_idx; } } return high_idx; } /** * _mapping_get_high_missing_mt_idx - get missing map table index * @sc: per adapter object * * Search through the map table and identifies the device entry * with high missing count and returns it's index * * Returns the index of map table entry on success or bad index. */ static u32 _mapping_get_high_missing_mt_idx(struct mps_softc *sc) { u32 map_idx, high_idx = MPS_ENCTABLE_BAD_IDX; u8 high_missing_count = 0; u32 start_idx, end_idx, start_idx_ir, end_idx_ir; struct dev_mapping_table *mt_entry; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); start_idx = 0; start_idx_ir = 0; end_idx_ir = 0; end_idx = sc->max_devices; if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) start_idx = 1; if (sc->ir_firmware) { _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir); if (start_idx == start_idx_ir) start_idx = end_idx_ir + 1; else end_idx = start_idx_ir; } mt_entry = &sc->mapping_table[start_idx]; for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) { if (mt_entry->missing_count > high_missing_count) { high_missing_count = mt_entry->missing_count; high_idx = map_idx; } } return high_idx; } /** * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID * @sc: per adapter object * @wwid: world wide unique ID of the volume * * Returns the index of map table entry on success or bad index. */ static u32 _mapping_get_ir_mt_idx_from_wwid(struct mps_softc *sc, u64 wwid) { u32 start_idx, end_idx, map_idx; struct dev_mapping_table *mt_entry; _mapping_get_ir_maprange(sc, &start_idx, &end_idx); mt_entry = &sc->mapping_table[start_idx]; for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) if (mt_entry->physical_id == wwid) return map_idx; return MPS_MAPTABLE_BAD_IDX; } /** * _mapping_get_mt_idx_from_id - get map table index from a device ID * @sc: per adapter object * @dev_id: device identifer (SAS Address) * * Returns the index of map table entry on success or bad index. */ static u32 _mapping_get_mt_idx_from_id(struct mps_softc *sc, u64 dev_id) { u32 map_idx; struct dev_mapping_table *mt_entry; for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { mt_entry = &sc->mapping_table[map_idx]; if (mt_entry->physical_id == dev_id) return map_idx; } return MPS_MAPTABLE_BAD_IDX; } /** * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle * @sc: per adapter object * @wwid: volume device handle * * Returns the index of map table entry on success or bad index. */ static u32 _mapping_get_ir_mt_idx_from_handle(struct mps_softc *sc, u16 volHandle) { u32 start_idx, end_idx, map_idx; struct dev_mapping_table *mt_entry; _mapping_get_ir_maprange(sc, &start_idx, &end_idx); mt_entry = &sc->mapping_table[start_idx]; for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) if (mt_entry->dev_handle == volHandle) return map_idx; return MPS_MAPTABLE_BAD_IDX; } /** * _mapping_get_mt_idx_from_handle - get map table index from handle * @sc: per adapter object * @dev_id: device handle * * Returns the index of map table entry on success or bad index. */ static u32 _mapping_get_mt_idx_from_handle(struct mps_softc *sc, u16 handle) { u32 map_idx; struct dev_mapping_table *mt_entry; for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { mt_entry = &sc->mapping_table[map_idx]; if (mt_entry->dev_handle == handle) return map_idx; } return MPS_MAPTABLE_BAD_IDX; } /** * _mapping_get_free_ir_mt_idx - get first free index for a volume * @sc: per adapter object * * Search through mapping table for free index for a volume and if no free * index then looks for a volume with high mapping index * * Returns the index of map table entry on success or bad index. */ static u32 _mapping_get_free_ir_mt_idx(struct mps_softc *sc) { u8 high_missing_count = 0; u32 start_idx, end_idx, map_idx; u32 high_idx = MPS_MAPTABLE_BAD_IDX; struct dev_mapping_table *mt_entry; _mapping_get_ir_maprange(sc, &start_idx, &end_idx); mt_entry = &sc->mapping_table[start_idx]; for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) if (!(mt_entry->device_info & MPS_MAP_IN_USE)) return map_idx; mt_entry = &sc->mapping_table[start_idx]; for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) { if (mt_entry->missing_count > high_missing_count) { high_missing_count = mt_entry->missing_count; high_idx = map_idx; } } return high_idx; } /** * _mapping_get_free_mt_idx - get first free index for a device * @sc: per adapter object * @start_idx: offset in the table to start search * * Returns the index of map table entry on success or bad index. */ static u32 _mapping_get_free_mt_idx(struct mps_softc *sc, u32 start_idx) { u32 map_idx, max_idx = sc->max_devices; struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx]; u16 volume_mapping_flags; volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; if (sc->ir_firmware && (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) max_idx -= sc->max_volumes; for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++) if (!(mt_entry->device_info & (MPS_MAP_IN_USE | MPS_DEV_RESERVED))) return map_idx; return MPS_MAPTABLE_BAD_IDX; } /** * _mapping_get_dpm_idx_from_id - get DPM index from ID * @sc: per adapter object * @id: volume WWID or enclosure ID or device ID * * Returns the index of DPM entry on success or bad index. */ static u16 _mapping_get_dpm_idx_from_id(struct mps_softc *sc, u64 id, u32 phy_bits) { u16 entry_num; uint64_t PhysicalIdentifier; Mpi2DriverMap0Entry_t *dpm_entry; dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High; PhysicalIdentifier = (PhysicalIdentifier << 32) | dpm_entry->PhysicalIdentifier.Low; for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++, dpm_entry++) if ((id == PhysicalIdentifier) && (!phy_bits || !dpm_entry->PhysicalBitsMapping || (phy_bits & dpm_entry->PhysicalBitsMapping))) return entry_num; return MPS_DPM_BAD_IDX; } /** * _mapping_get_free_dpm_idx - get first available DPM index * @sc: per adapter object * * Returns the index of DPM entry on success or bad index. */ static u32 _mapping_get_free_dpm_idx(struct mps_softc *sc) { u16 entry_num; for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) { if (!sc->dpm_entry_used[entry_num]) return entry_num; } return MPS_DPM_BAD_IDX; } /** * _mapping_update_ir_missing_cnt - Updates missing count for a volume * @sc: per adapter object * @map_idx: map table index of the volume * @element: IR configuration change element * @wwid: IR volume ID. * * Updates the missing count in the map table and in the DPM entry for a volume * * Returns nothing. */ static void _mapping_update_ir_missing_cnt(struct mps_softc *sc, u32 map_idx, Mpi2EventIrConfigElement_t *element, u64 wwid) { struct dev_mapping_table *mt_entry; u8 missing_cnt, reason = element->ReasonCode; u16 dpm_idx; Mpi2DriverMap0Entry_t *dpm_entry; if (!sc->is_dpm_enable) return; mt_entry = &sc->mapping_table[map_idx]; if (reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) { mt_entry->missing_count = 0; } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) { mt_entry->missing_count = 0; mt_entry->init_complete = 0; } else if ((reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED) || (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)) { if (!mt_entry->init_complete) { if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT) mt_entry->missing_count++; else mt_entry->init_complete = 1; } if (!mt_entry->missing_count) mt_entry->missing_count++; mt_entry->dev_handle = 0; } dpm_idx = mt_entry->dpm_entry_num; if (dpm_idx == MPS_DPM_BAD_IDX) { if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) || (reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED)) dpm_idx = _mapping_get_dpm_idx_from_id(sc, mt_entry->physical_id, 0); else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) return; } if (dpm_idx != MPS_DPM_BAD_IDX) { dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry += dpm_idx; missing_cnt = dpm_entry->MappingInformation & MPI2_DRVMAP0_MAPINFO_MISSING_MASK; if ((mt_entry->physical_id == le64toh((u64)dpm_entry->PhysicalIdentifier.High | dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt == mt_entry->missing_count)) mt_entry->init_complete = 1; } else { dpm_idx = _mapping_get_free_dpm_idx(sc); mt_entry->init_complete = 0; } if ((dpm_idx != MPS_DPM_BAD_IDX) && !mt_entry->init_complete) { mt_entry->init_complete = 1; mt_entry->dpm_entry_num = dpm_idx; dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry += dpm_idx; dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF & mt_entry->physical_id); dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32); dpm_entry->DeviceIndex = map_idx; dpm_entry->MappingInformation = mt_entry->missing_count; dpm_entry->PhysicalBitsMapping = 0; dpm_entry->Reserved1 = 0; sc->dpm_flush_entry[dpm_idx] = 1; sc->dpm_entry_used[dpm_idx] = 1; } else if (dpm_idx == MPS_DPM_BAD_IDX) { printf("%s: no space to add entry in DPM table\n", __func__); mt_entry->init_complete = 1; } } /** * _mapping_add_to_removal_table - mark an entry for removal * @sc: per adapter object * @handle: Handle of enclosures/device/volume * * Adds the handle or DPM entry number in removal table. * * Returns nothing. */ static void _mapping_add_to_removal_table(struct mps_softc *sc, u16 handle, u16 dpm_idx) { struct map_removal_table *remove_entry; u32 i; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); remove_entry = sc->removal_table; for (i = 0; i < sc->max_devices; i++, remove_entry++) { if (remove_entry->dev_handle || remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX) continue; if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { if (dpm_idx) remove_entry->dpm_entry_num = dpm_idx; if (remove_entry->dpm_entry_num == MPS_DPM_BAD_IDX) remove_entry->dev_handle = handle; } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) remove_entry->dev_handle = handle; break; } } /** * _mapping_update_missing_count - Update missing count for a device * @sc: per adapter object * @topo_change: Topology change event entry * * Search through the topology change list and if any device is found not * responding it's associated map table entry and DPM entry is updated * * Returns nothing. */ static void _mapping_update_missing_count(struct mps_softc *sc, struct _map_topology_change *topo_change) { u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); u8 entry; struct _map_phy_change *phy_change; u32 map_idx; struct dev_mapping_table *mt_entry; Mpi2DriverMap0Entry_t *dpm_entry; for (entry = 0; entry < topo_change->num_entries; entry++) { phy_change = &topo_change->phy_details[entry]; if (!phy_change->dev_handle || (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) continue; map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change-> dev_handle); phy_change->is_processed = 1; if (map_idx == MPS_MAPTABLE_BAD_IDX) { printf("%s: device is already removed from mapping " "table\n", __func__); continue; } mt_entry = &sc->mapping_table[map_idx]; if (!mt_entry->init_complete) { if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT) mt_entry->missing_count++; else mt_entry->init_complete = 1; } if (!mt_entry->missing_count) mt_entry->missing_count++; _mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0); mt_entry->dev_handle = 0; if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) && sc->is_dpm_enable && !mt_entry->init_complete && mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry += mt_entry->dpm_entry_num; dpm_entry->MappingInformation = mt_entry->missing_count; sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1; } mt_entry->init_complete = 1; } } /** * _mapping_find_enc_map_space -find map table entries for enclosure * @sc: per adapter object * @et_entry: enclosure entry * * Search through the mapping table defragment it and provide contiguous * space in map table for a particular enclosure entry * * Returns start index in map table or bad index. */ static u32 _mapping_find_enc_map_space(struct mps_softc *sc, struct enc_mapping_table *et_entry) { u16 vol_mapping_flags; u32 skip_count, end_of_table, map_idx, enc_idx; u16 num_found; u32 start_idx = MPS_MAPTABLE_BAD_IDX; struct dev_mapping_table *mt_entry; struct enc_mapping_table *enc_entry; unsigned char done_flag = 0, found_space; u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs); skip_count = sc->num_rsvd_entries; num_found = 0; vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; if (!sc->ir_firmware) end_of_table = sc->max_devices; else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) end_of_table = sc->max_devices; else end_of_table = sc->max_devices - sc->max_volumes; for (map_idx = (max_num_phy_ids + skip_count); map_idx < end_of_table; map_idx++) { mt_entry = &sc->mapping_table[map_idx]; if ((et_entry->enclosure_id == mt_entry->physical_id) && (!mt_entry->phy_bits || (mt_entry->phy_bits & et_entry->phy_bits))) { num_found += 1; if (num_found == et_entry->num_slots) { start_idx = (map_idx - num_found) + 1; return start_idx; } } else num_found = 0; } for (map_idx = (max_num_phy_ids + skip_count); map_idx < end_of_table; map_idx++) { mt_entry = &sc->mapping_table[map_idx]; if (!(mt_entry->device_info & MPS_DEV_RESERVED)) { num_found += 1; if (num_found == et_entry->num_slots) { start_idx = (map_idx - num_found) + 1; return start_idx; } } else num_found = 0; } while (!done_flag) { enc_idx = _mapping_get_high_missing_et_idx(sc); if (enc_idx == MPS_ENCTABLE_BAD_IDX) return MPS_MAPTABLE_BAD_IDX; enc_entry = &sc->enclosure_table[enc_idx]; /*VSP FIXME*/ enc_entry->skip_search = 1; mt_entry = &sc->mapping_table[enc_entry->start_index]; for (map_idx = enc_entry->start_index; map_idx < (enc_entry->start_index + enc_entry->num_slots); map_idx++, mt_entry++) mt_entry->device_info &= ~MPS_DEV_RESERVED; found_space = 0; for (map_idx = (max_num_phy_ids + skip_count); map_idx < end_of_table; map_idx++) { mt_entry = &sc->mapping_table[map_idx]; if (!(mt_entry->device_info & MPS_DEV_RESERVED)) { num_found += 1; if (num_found == et_entry->num_slots) { start_idx = (map_idx - num_found) + 1; found_space = 1; } } else num_found = 0; } if (!found_space) continue; for (map_idx = start_idx; map_idx < (start_idx + num_found); map_idx++) { enc_entry = sc->enclosure_table; for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++, enc_entry++) { if (map_idx < enc_entry->start_index || map_idx > (enc_entry->start_index + enc_entry->num_slots)) continue; if (!enc_entry->removal_flag) { enc_entry->removal_flag = 1; _mapping_add_to_removal_table(sc, 0, enc_entry->dpm_entry_num); } mt_entry = &sc->mapping_table[map_idx]; if (mt_entry->device_info & MPS_MAP_IN_USE) { _mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0); _mapping_clear_map_entry(mt_entry); } if (map_idx == (enc_entry->start_index + enc_entry->num_slots - 1)) _mapping_clear_enc_entry(et_entry); } } enc_entry = sc->enclosure_table; for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++, enc_entry++) { if (!enc_entry->removal_flag) { mt_entry = &sc->mapping_table[enc_entry-> start_index]; for (map_idx = enc_entry->start_index; map_idx < (enc_entry->start_index + enc_entry->num_slots); map_idx++, mt_entry++) mt_entry->device_info |= MPS_DEV_RESERVED; et_entry->skip_search = 0; } } done_flag = 1; } return start_idx; } /** * _mapping_get_dev_info -get information about newly added devices * @sc: per adapter object * @topo_change: Topology change event entry * * Search through the topology change event list and issues sas device pg0 * requests for the newly added device and reserved entries in tables * * Returns nothing */ static void _mapping_get_dev_info(struct mps_softc *sc, struct _map_topology_change *topo_change) { u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); Mpi2ConfigReply_t mpi_reply; Mpi2SasDevicePage0_t sas_device_pg0; u8 entry, enc_idx, phy_idx; u32 map_idx, index, device_info; struct _map_phy_change *phy_change, *tmp_phy_change; uint64_t sas_address; struct enc_mapping_table *et_entry; struct dev_mapping_table *mt_entry; u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED; int rc = 1; for (entry = 0; entry < topo_change->num_entries; entry++) { phy_change = &topo_change->phy_details[entry]; if (phy_change->is_processed || !phy_change->dev_handle || phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED) continue; if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, phy_change->dev_handle)) { phy_change->is_processed = 1; continue; } /* * Always get SATA Identify information because this is used * to determine if Start/Stop Unit should be sent to the drive * when the system is shutdown. */ device_info = le32toh(sas_device_pg0.DeviceInfo); sas_address = sas_device_pg0.SASAddress.High; sas_address = (sas_address << 32) | sas_device_pg0.SASAddress.Low; if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) && (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) { rc = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, phy_change->dev_handle, device_info, &phy_change->is_SATA_SSD); if (rc) { mps_dprint(sc, MPS_ERROR, "%s: failed to get " "disk type (SSD or HDD) and SAS Address " "for SATA device with handle 0x%04x\n", __func__, phy_change->dev_handle); } else { mps_dprint(sc, MPS_INFO, "SAS Address for SATA " "device = %jx\n", sas_address); } } phy_change->physical_id = sas_address; phy_change->slot = le16toh(sas_device_pg0.Slot); phy_change->device_info = le32toh(sas_device_pg0.DeviceInfo); if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { enc_idx = _mapping_get_enc_idx_from_handle(sc, topo_change->enc_handle); if (enc_idx == MPS_ENCTABLE_BAD_IDX) { phy_change->is_processed = 1; mps_dprint(sc, MPS_MAPPING, "%s: failed to add " "the device with handle 0x%04x because the " "enclosure is not in the mapping table\n", __func__, phy_change->dev_handle); continue; } if (!((phy_change->device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) && (phy_change->device_info & (MPI2_SAS_DEVICE_INFO_SSP_TARGET | MPI2_SAS_DEVICE_INFO_STP_TARGET | MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) { phy_change->is_processed = 1; continue; } et_entry = &sc->enclosure_table[enc_idx]; if (et_entry->start_index != MPS_MAPTABLE_BAD_IDX) continue; if (!topo_change->exp_handle) { map_idx = sc->num_rsvd_entries; et_entry->start_index = map_idx; } else { map_idx = _mapping_find_enc_map_space(sc, et_entry); et_entry->start_index = map_idx; if (et_entry->start_index == MPS_MAPTABLE_BAD_IDX) { phy_change->is_processed = 1; for (phy_idx = 0; phy_idx < topo_change->num_entries; phy_idx++) { tmp_phy_change = &topo_change->phy_details [phy_idx]; if (tmp_phy_change->reason == add_code) tmp_phy_change-> is_processed = 1; } break; } } mt_entry = &sc->mapping_table[map_idx]; for (index = map_idx; index < (et_entry->num_slots + map_idx); index++, mt_entry++) { mt_entry->device_info = MPS_DEV_RESERVED; mt_entry->physical_id = et_entry->enclosure_id; mt_entry->phy_bits = et_entry->phy_bits; } } } } /** * _mapping_set_mid_to_eid -set map table data from enclosure table * @sc: per adapter object * @et_entry: enclosure entry * * Returns nothing */ static inline void _mapping_set_mid_to_eid(struct mps_softc *sc, struct enc_mapping_table *et_entry) { struct dev_mapping_table *mt_entry; u16 slots = et_entry->num_slots, map_idx; u32 start_idx = et_entry->start_index; if (start_idx != MPS_MAPTABLE_BAD_IDX) { mt_entry = &sc->mapping_table[start_idx]; for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++) mt_entry->physical_id = et_entry->enclosure_id; } } /** * _mapping_clear_removed_entries - mark the entries to be cleared * @sc: per adapter object * * Search through the removal table and mark the entries which needs to be * flushed to DPM and also updates the map table and enclosure table by * clearing the corresponding entries. * * Returns nothing */ static void _mapping_clear_removed_entries(struct mps_softc *sc) { u32 remove_idx; struct map_removal_table *remove_entry; Mpi2DriverMap0Entry_t *dpm_entry; u8 done_flag = 0, num_entries, m, i; struct enc_mapping_table *et_entry, *from, *to; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); if (sc->is_dpm_enable) { remove_entry = sc->removal_table; for (remove_idx = 0; remove_idx < sc->max_devices; remove_idx++, remove_entry++) { if (remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *) sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry += remove_entry->dpm_entry_num; dpm_entry->PhysicalIdentifier.Low = 0; dpm_entry->PhysicalIdentifier.High = 0; dpm_entry->DeviceIndex = 0; dpm_entry->MappingInformation = 0; dpm_entry->PhysicalBitsMapping = 0; sc->dpm_flush_entry[remove_entry-> dpm_entry_num] = 1; sc->dpm_entry_used[remove_entry->dpm_entry_num] = 0; remove_entry->dpm_entry_num = MPS_DPM_BAD_IDX; } } } if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { num_entries = sc->num_enc_table_entries; while (!done_flag) { done_flag = 1; et_entry = sc->enclosure_table; for (i = 0; i < num_entries; i++, et_entry++) { if (!et_entry->enc_handle && et_entry-> init_complete) { done_flag = 0; if (i != (num_entries - 1)) { from = &sc->enclosure_table [i+1]; to = &sc->enclosure_table[i]; for (m = i; m < (num_entries - 1); m++, from++, to++) { _mapping_set_mid_to_eid (sc, to); *to = *from; } _mapping_clear_enc_entry(to); sc->num_enc_table_entries--; num_entries = sc->num_enc_table_entries; } else { _mapping_clear_enc_entry (et_entry); sc->num_enc_table_entries--; num_entries = sc->num_enc_table_entries; } } } } } } /** * _mapping_add_new_device -Add the new device into mapping table * @sc: per adapter object * @topo_change: Topology change event entry * * Search through the topology change event list and updates map table, * enclosure table and DPM pages for for the newly added devices. * * Returns nothing */ static void _mapping_add_new_device(struct mps_softc *sc, struct _map_topology_change *topo_change) { u8 enc_idx, missing_cnt, is_removed = 0; u16 dpm_idx; u32 search_idx, map_idx; u32 entry; struct dev_mapping_table *mt_entry; struct enc_mapping_table *et_entry; struct _map_phy_change *phy_change; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); Mpi2DriverMap0Entry_t *dpm_entry; uint64_t temp64_var; u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER); u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs); for (entry = 0; entry < topo_change->num_entries; entry++) { phy_change = &topo_change->phy_details[entry]; if (phy_change->is_processed) continue; if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED || !phy_change->dev_handle) { phy_change->is_processed = 1; continue; } if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { enc_idx = _mapping_get_enc_idx_from_handle (sc, topo_change->enc_handle); if (enc_idx == MPS_ENCTABLE_BAD_IDX) { phy_change->is_processed = 1; printf("%s: failed to add the device with " "handle 0x%04x because the enclosure is " "not in the mapping table\n", __func__, phy_change->dev_handle); continue; } et_entry = &sc->enclosure_table[enc_idx]; if (et_entry->start_index == MPS_MAPTABLE_BAD_IDX) { phy_change->is_processed = 1; if (!sc->mt_full_retry) { sc->mt_add_device_failed = 1; continue; } printf("%s: failed to add the device with " "handle 0x%04x because there is no free " "space available in the mapping table\n", __func__, phy_change->dev_handle); continue; } map_idx = et_entry->start_index + phy_change->slot - et_entry->start_slot; mt_entry = &sc->mapping_table[map_idx]; mt_entry->physical_id = phy_change->physical_id; mt_entry->channel = 0; mt_entry->id = map_idx; mt_entry->dev_handle = phy_change->dev_handle; mt_entry->missing_count = 0; mt_entry->dpm_entry_num = et_entry->dpm_entry_num; mt_entry->device_info = phy_change->device_info | (MPS_DEV_RESERVED | MPS_MAP_IN_USE); if (sc->is_dpm_enable) { dpm_idx = et_entry->dpm_entry_num; if (dpm_idx == MPS_DPM_BAD_IDX) dpm_idx = _mapping_get_dpm_idx_from_id (sc, et_entry->enclosure_id, et_entry->phy_bits); if (dpm_idx == MPS_DPM_BAD_IDX) { dpm_idx = _mapping_get_free_dpm_idx(sc); if (dpm_idx != MPS_DPM_BAD_IDX) { dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *) sc->dpm_pg0 + hdr_sz); dpm_entry += dpm_idx; dpm_entry-> PhysicalIdentifier.Low = (0xFFFFFFFF & et_entry->enclosure_id); dpm_entry-> PhysicalIdentifier.High = ( et_entry->enclosure_id >> 32); dpm_entry->DeviceIndex = (U16)et_entry->start_index; dpm_entry->MappingInformation = et_entry->num_slots; dpm_entry->MappingInformation <<= map_shift; dpm_entry->PhysicalBitsMapping = et_entry->phy_bits; et_entry->dpm_entry_num = dpm_idx; /* FIXME Do I need to set the dpm_idxin mt_entry too */ sc->dpm_entry_used[dpm_idx] = 1; sc->dpm_flush_entry[dpm_idx] = 1; phy_change->is_processed = 1; } else { phy_change->is_processed = 1; mps_dprint(sc, MPS_INFO, "%s: " "failed to add the device " "with handle 0x%04x to " "persistent table because " "there is no free space " "available\n", __func__, phy_change->dev_handle); } } else { et_entry->dpm_entry_num = dpm_idx; mt_entry->dpm_entry_num = dpm_idx; } } /* FIXME Why not mt_entry too? */ et_entry->init_complete = 1; } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { map_idx = _mapping_get_mt_idx_from_id (sc, phy_change->physical_id); if (map_idx == MPS_MAPTABLE_BAD_IDX) { search_idx = sc->num_rsvd_entries; if (topo_change->exp_handle) search_idx += max_num_phy_ids; map_idx = _mapping_get_free_mt_idx(sc, search_idx); } if (map_idx == MPS_MAPTABLE_BAD_IDX) { map_idx = _mapping_get_high_missing_mt_idx(sc); if (map_idx != MPS_MAPTABLE_BAD_IDX) { mt_entry = &sc->mapping_table[map_idx]; if (mt_entry->dev_handle) { _mapping_add_to_removal_table (sc, mt_entry->dev_handle, 0); is_removed = 1; } mt_entry->init_complete = 0; } } if (map_idx != MPS_MAPTABLE_BAD_IDX) { mt_entry = &sc->mapping_table[map_idx]; mt_entry->physical_id = phy_change->physical_id; mt_entry->channel = 0; mt_entry->id = map_idx; mt_entry->dev_handle = phy_change->dev_handle; mt_entry->missing_count = 0; mt_entry->device_info = phy_change->device_info | (MPS_DEV_RESERVED | MPS_MAP_IN_USE); } else { phy_change->is_processed = 1; if (!sc->mt_full_retry) { sc->mt_add_device_failed = 1; continue; } printf("%s: failed to add the device with " "handle 0x%04x because there is no free " "space available in the mapping table\n", __func__, phy_change->dev_handle); continue; } if (sc->is_dpm_enable) { if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { dpm_idx = mt_entry->dpm_entry_num; dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 + hdr_sz); dpm_entry += dpm_idx; missing_cnt = dpm_entry-> MappingInformation & MPI2_DRVMAP0_MAPINFO_MISSING_MASK; temp64_var = dpm_entry-> PhysicalIdentifier.High; temp64_var = (temp64_var << 32) | dpm_entry->PhysicalIdentifier.Low; if ((mt_entry->physical_id == temp64_var) && !missing_cnt) mt_entry->init_complete = 1; } else { dpm_idx = _mapping_get_free_dpm_idx(sc); mt_entry->init_complete = 0; } if (dpm_idx != MPS_DPM_BAD_IDX && !mt_entry->init_complete) { mt_entry->init_complete = 1; mt_entry->dpm_entry_num = dpm_idx; dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 + hdr_sz); dpm_entry += dpm_idx; dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF & mt_entry->physical_id); dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32); dpm_entry->DeviceIndex = (U16) map_idx; dpm_entry->MappingInformation = 0; dpm_entry->PhysicalBitsMapping = 0; sc->dpm_entry_used[dpm_idx] = 1; sc->dpm_flush_entry[dpm_idx] = 1; phy_change->is_processed = 1; } else if (dpm_idx == MPS_DPM_BAD_IDX) { phy_change->is_processed = 1; mps_dprint(sc, MPS_INFO, "%s: " "failed to add the device " "with handle 0x%04x to " "persistent table because " "there is no free space " "available\n", __func__, phy_change->dev_handle); } } mt_entry->init_complete = 1; } phy_change->is_processed = 1; } if (is_removed) _mapping_clear_removed_entries(sc); } /** * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM * @sc: per adapter object * * Returns nothing */ static void _mapping_flush_dpm_pages(struct mps_softc *sc) { Mpi2DriverMap0Entry_t *dpm_entry; Mpi2ConfigReply_t mpi_reply; Mpi2DriverMappingPage0_t config_page; u16 entry_num; for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) { if (!sc->dpm_flush_entry[entry_num]) continue; memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t)); memcpy(&config_page.Header, (u8 *)sc->dpm_pg0, sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); dpm_entry += entry_num; dpm_entry->MappingInformation = htole16(dpm_entry-> MappingInformation); dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex); dpm_entry->PhysicalBitsMapping = htole32(dpm_entry-> PhysicalBitsMapping); memcpy(&config_page.Entry, (u8 *)dpm_entry, sizeof(Mpi2DriverMap0Entry_t)); /* TODO-How to handle failed writes? */ if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page, entry_num)) { printf("%s: write of dpm entry %d for device failed\n", __func__, entry_num); } else sc->dpm_flush_entry[entry_num] = 0; dpm_entry->MappingInformation = le16toh(dpm_entry-> MappingInformation); dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry-> PhysicalBitsMapping); } } /** * _mapping_allocate_memory- allocates the memory required for mapping tables * @sc: per adapter object * * Allocates the memory for all the tables required for host mapping * * Return 0 on success or non-zero on failure. */ int mps_mapping_allocate_memory(struct mps_softc *sc) { uint32_t dpm_pg0_sz; sc->mapping_table = malloc((sizeof(struct dev_mapping_table) * sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT); if (!sc->mapping_table) goto free_resources; sc->removal_table = malloc((sizeof(struct map_removal_table) * sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT); if (!sc->removal_table) goto free_resources; sc->enclosure_table = malloc((sizeof(struct enc_mapping_table) * sc->max_enclosures), M_MPT2, M_ZERO|M_NOWAIT); if (!sc->enclosure_table) goto free_resources; sc->dpm_entry_used = malloc((sizeof(u8) * sc->max_dpm_entries), M_MPT2, M_ZERO|M_NOWAIT); if (!sc->dpm_entry_used) goto free_resources; sc->dpm_flush_entry = malloc((sizeof(u8) * sc->max_dpm_entries), M_MPT2, M_ZERO|M_NOWAIT); if (!sc->dpm_flush_entry) goto free_resources; dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) + (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY)); sc->dpm_pg0 = malloc(dpm_pg0_sz, M_MPT2, M_ZERO|M_NOWAIT); if (!sc->dpm_pg0) { printf("%s: memory alloc failed for dpm page; disabling dpm\n", __func__); sc->is_dpm_enable = 0; } return 0; free_resources: free(sc->mapping_table, M_MPT2); free(sc->removal_table, M_MPT2); free(sc->enclosure_table, M_MPT2); free(sc->dpm_entry_used, M_MPT2); free(sc->dpm_flush_entry, M_MPT2); free(sc->dpm_pg0, M_MPT2); printf("%s: device initialization failed due to failure in mapping " "table memory allocation\n", __func__); return -1; } /** * mps_mapping_free_memory- frees the memory allocated for mapping tables * @sc: per adapter object * * Returns nothing. */ void mps_mapping_free_memory(struct mps_softc *sc) { free(sc->mapping_table, M_MPT2); free(sc->removal_table, M_MPT2); free(sc->enclosure_table, M_MPT2); free(sc->dpm_entry_used, M_MPT2); free(sc->dpm_flush_entry, M_MPT2); free(sc->dpm_pg0, M_MPT2); } static void _mapping_process_dpm_pg0(struct mps_softc *sc) { u8 missing_cnt, enc_idx; u16 slot_id, entry_num, num_slots; u32 map_idx, dev_idx, start_idx, end_idx; struct dev_mapping_table *mt_entry; Mpi2DriverMap0Entry_t *dpm_entry; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs); struct enc_mapping_table *et_entry; u64 physical_id; u32 phy_bits = 0; if (sc->ir_firmware) _mapping_get_ir_maprange(sc, &start_idx, &end_idx); dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++, dpm_entry++) { physical_id = dpm_entry->PhysicalIdentifier.High; physical_id = (physical_id << 32) | dpm_entry->PhysicalIdentifier.Low; if (!physical_id) { sc->dpm_entry_used[entry_num] = 0; continue; } sc->dpm_entry_used[entry_num] = 1; dpm_entry->MappingInformation = le16toh(dpm_entry-> MappingInformation); missing_cnt = dpm_entry->MappingInformation & MPI2_DRVMAP0_MAPINFO_MISSING_MASK; dev_idx = le16toh(dpm_entry->DeviceIndex); phy_bits = le32toh(dpm_entry->PhysicalBitsMapping); if (sc->ir_firmware && (dev_idx >= start_idx) && (dev_idx <= end_idx)) { mt_entry = &sc->mapping_table[dev_idx]; mt_entry->physical_id = dpm_entry->PhysicalIdentifier.High; mt_entry->physical_id = (mt_entry->physical_id << 32) | dpm_entry->PhysicalIdentifier.Low; mt_entry->channel = MPS_RAID_CHANNEL; mt_entry->id = dev_idx; mt_entry->missing_count = missing_cnt; mt_entry->dpm_entry_num = entry_num; mt_entry->device_info = MPS_DEV_RESERVED; continue; } if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { if (dev_idx < (sc->num_rsvd_entries + max_num_phy_ids)) { slot_id = 0; if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1) slot_id = 1; num_slots = max_num_phy_ids; } else { slot_id = 0; num_slots = dpm_entry->MappingInformation & MPI2_DRVMAP0_MAPINFO_SLOT_MASK; num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; } enc_idx = sc->num_enc_table_entries; if (enc_idx >= sc->max_enclosures) { printf("%s: enclosure entries exceed max " "enclosures of %d\n", __func__, sc->max_enclosures); break; } sc->num_enc_table_entries++; et_entry = &sc->enclosure_table[enc_idx]; physical_id = dpm_entry->PhysicalIdentifier.High; et_entry->enclosure_id = (physical_id << 32) | dpm_entry->PhysicalIdentifier.Low; et_entry->start_index = dev_idx; et_entry->dpm_entry_num = entry_num; et_entry->num_slots = num_slots; et_entry->start_slot = slot_id; et_entry->missing_count = missing_cnt; et_entry->phy_bits = phy_bits; mt_entry = &sc->mapping_table[dev_idx]; for (map_idx = dev_idx; map_idx < (dev_idx + num_slots); map_idx++, mt_entry++) { if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { printf("%s: conflict in mapping table " "for enclosure %d\n", __func__, enc_idx); break; } physical_id = dpm_entry->PhysicalIdentifier.High; mt_entry->physical_id = (physical_id << 32) | dpm_entry->PhysicalIdentifier.Low; mt_entry->phy_bits = phy_bits; mt_entry->channel = 0; mt_entry->id = dev_idx; mt_entry->dpm_entry_num = entry_num; mt_entry->missing_count = missing_cnt; mt_entry->device_info = MPS_DEV_RESERVED; } } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { map_idx = dev_idx; mt_entry = &sc->mapping_table[map_idx]; if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { printf("%s: conflict in mapping table for " "device %d\n", __func__, map_idx); break; } physical_id = dpm_entry->PhysicalIdentifier.High; mt_entry->physical_id = (physical_id << 32) | dpm_entry->PhysicalIdentifier.Low; mt_entry->phy_bits = phy_bits; mt_entry->channel = 0; mt_entry->id = dev_idx; mt_entry->missing_count = missing_cnt; mt_entry->dpm_entry_num = entry_num; mt_entry->device_info = MPS_DEV_RESERVED; } } /*close the loop for DPM table */ } /* * mps_mapping_check_devices - start of the day check for device availabilty * @sc: per adapter object * @sleep_flag: Flag indicating whether this function can sleep or not * * Returns nothing. */ void mps_mapping_check_devices(struct mps_softc *sc, int sleep_flag) { u32 i; /* u32 cntdn, i; u32 timeout = 60;*/ struct dev_mapping_table *mt_entry; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); struct enc_mapping_table *et_entry; u32 start_idx, end_idx; /* We need to ucomment this when this function is called * from the port enable complete */ #if 0 sc->track_mapping_events = 0; cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; do { if (!sc->pending_map_events) break; if (sleep_flag == CAN_SLEEP) pause("mps_pause", (hz/1000));/* 1msec sleep */ else DELAY(500); /* 500 useconds delay */ } while (--cntdn); if (!cntdn) printf("%s: there are %d" " pending events after %d seconds of delay\n", __func__, sc->pending_map_events, timeout); #endif sc->pending_map_events = 0; if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { et_entry = sc->enclosure_table; for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) { if (!et_entry->init_complete) { if (et_entry->missing_count < MPS_MAX_MISSING_COUNT) { et_entry->missing_count++; if (et_entry->dpm_entry_num != MPS_DPM_BAD_IDX) _mapping_commit_enc_entry(sc, et_entry); } et_entry->init_complete = 1; } } if (!sc->ir_firmware) return; _mapping_get_ir_maprange(sc, &start_idx, &end_idx); mt_entry = &sc->mapping_table[start_idx]; for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) { if (mt_entry->device_info & MPS_DEV_RESERVED && !mt_entry->physical_id) mt_entry->init_complete = 1; else if (mt_entry->device_info & MPS_DEV_RESERVED) { if (!mt_entry->init_complete) { if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT) { mt_entry->missing_count++; if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) _mapping_commit_map_entry(sc, mt_entry); } mt_entry->init_complete = 1; } } } } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { mt_entry = sc->mapping_table; for (i = 0; i < sc->max_devices; i++, mt_entry++) { if (mt_entry->device_info & MPS_DEV_RESERVED && !mt_entry->physical_id) mt_entry->init_complete = 1; else if (mt_entry->device_info & MPS_DEV_RESERVED) { if (!mt_entry->init_complete) { if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT) { mt_entry->missing_count++; if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) _mapping_commit_map_entry(sc, mt_entry); } mt_entry->init_complete = 1; } } } } } /** * mps_mapping_is_reinit_required - check whether event replay required * @sc: per adapter object * * Checks the per ioc flags and decide whether reinit of events required * * Returns 1 for reinit of ioc 0 for not. */ int mps_mapping_is_reinit_required(struct mps_softc *sc) { if (!sc->mt_full_retry && sc->mt_add_device_failed) { sc->mt_full_retry = 1; sc->mt_add_device_failed = 0; _mapping_flush_dpm_pages(sc); return 1; } sc->mt_full_retry = 1; return 0; } /** * mps_mapping_initialize - initialize mapping tables * @sc: per adapter object * * Read controller persitant mapping tables into internal data area. * * Return 0 for success or non-zero for failure. */ int mps_mapping_initialize(struct mps_softc *sc) { uint16_t volume_mapping_flags, dpm_pg0_sz; uint32_t i; Mpi2ConfigReply_t mpi_reply; int error; uint8_t retry_count; uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); /* The additional 1 accounts for the virtual enclosure * created for the controller */ sc->max_enclosures = sc->facts->MaxEnclosures + 1; sc->max_expanders = sc->facts->MaxSasExpanders; sc->max_volumes = sc->facts->MaxVolumes; sc->max_devices = sc->facts->MaxTargets + sc->max_volumes; sc->pending_map_events = 0; sc->num_enc_table_entries = 0; sc->num_rsvd_entries = 0; sc->num_channels = 1; sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries; sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0; sc->track_mapping_events = 0; if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING) sc->is_dpm_enable = 0; if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) sc->num_rsvd_entries = 1; volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags & MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; if (sc->ir_firmware && (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)) sc->num_rsvd_entries += sc->max_volumes; error = mps_mapping_allocate_memory(sc); if (error) return (error); for (i = 0; i < sc->max_devices; i++) _mapping_clear_map_entry(sc->mapping_table + i); for (i = 0; i < sc->max_enclosures; i++) _mapping_clear_enc_entry(sc->enclosure_table + i); for (i = 0; i < sc->max_devices; i++) { sc->removal_table[i].dev_handle = 0; sc->removal_table[i].dpm_entry_num = MPS_DPM_BAD_IDX; } memset(sc->dpm_entry_used, 0, sc->max_dpm_entries); memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries); if (sc->is_dpm_enable) { dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) + (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY)); retry_count = 0; retry_read_dpm: if (mps_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0, dpm_pg0_sz)) { printf("%s: dpm page read failed; disabling dpm\n", __func__); if (retry_count < 3) { retry_count++; goto retry_read_dpm; } sc->is_dpm_enable = 0; } } if (sc->is_dpm_enable) _mapping_process_dpm_pg0(sc); sc->track_mapping_events = 1; return 0; } /** * mps_mapping_exit - clear mapping table and associated memory * @sc: per adapter object * * Returns nothing. */ void mps_mapping_exit(struct mps_softc *sc) { _mapping_flush_dpm_pages(sc); mps_mapping_free_memory(sc); } /** * mps_mapping_get_sas_id - assign a target id for sas device * @sc: per adapter object * @sas_address: sas address of the device * @handle: device handle * * Returns valid ID on success or BAD_ID. */ unsigned int mps_mapping_get_sas_id(struct mps_softc *sc, uint64_t sas_address, u16 handle) { u32 map_idx; struct dev_mapping_table *mt_entry; for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { mt_entry = &sc->mapping_table[map_idx]; if (mt_entry->dev_handle == handle && mt_entry->physical_id == sas_address) return mt_entry->id; } return MPS_MAP_BAD_ID; } /** * mps_mapping_get_sas_id_from_handle - find a target id in mapping table using * only the dev handle. This is just a wrapper function for the local function * _mapping_get_mt_idx_from_handle. * @sc: per adapter object * @handle: device handle * * Returns valid ID on success or BAD_ID. */ unsigned int mps_mapping_get_sas_id_from_handle(struct mps_softc *sc, u16 handle) { return (_mapping_get_mt_idx_from_handle(sc, handle)); } /** * mps_mapping_get_raid_id - assign a target id for raid device * @sc: per adapter object * @wwid: world wide identifier for raid volume * @handle: device handle * * Returns valid ID on success or BAD_ID. */ unsigned int mps_mapping_get_raid_id(struct mps_softc *sc, u64 wwid, u16 handle) { u32 map_idx; struct dev_mapping_table *mt_entry; for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { mt_entry = &sc->mapping_table[map_idx]; if (mt_entry->dev_handle == handle && mt_entry->physical_id == wwid) return mt_entry->id; } return MPS_MAP_BAD_ID; } /** * mps_mapping_get_raid_id_from_handle - find raid device in mapping table * using only the volume dev handle. This is just a wrapper function for the * local function _mapping_get_ir_mt_idx_from_handle. * @sc: per adapter object * @volHandle: volume device handle * * Returns valid ID on success or BAD_ID. */ unsigned int mps_mapping_get_raid_id_from_handle(struct mps_softc *sc, u16 volHandle) { return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle)); } /** * mps_mapping_enclosure_dev_status_change_event - handle enclosure events * @sc: per adapter object * @event_data: event data payload * * Return nothing. */ void mps_mapping_enclosure_dev_status_change_event(struct mps_softc *sc, Mpi2EventDataSasEnclDevStatusChange_t *event_data) { u8 enc_idx, missing_count; struct enc_mapping_table *et_entry; Mpi2DriverMap0Entry_t *dpm_entry; u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; u8 update_phy_bits = 0; u32 saved_phy_bits; uint64_t temp64_var; if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) != MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) goto out; dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) { if (!event_data->NumSlots) { printf("%s: enclosure with handle = 0x%x reported 0 " "slots\n", __func__, le16toh(event_data->EnclosureHandle)); goto out; } temp64_var = event_data->EnclosureLogicalID.High; temp64_var = (temp64_var << 32) | event_data->EnclosureLogicalID.Low; enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var, event_data->PhyBits); if (enc_idx != MPS_ENCTABLE_BAD_IDX) { et_entry = &sc->enclosure_table[enc_idx]; if (et_entry->init_complete && !et_entry->missing_count) { printf("%s: enclosure %d is already present " "with handle = 0x%x\n",__func__, enc_idx, et_entry->enc_handle); goto out; } et_entry->enc_handle = le16toh(event_data-> EnclosureHandle); et_entry->start_slot = le16toh(event_data->StartSlot); saved_phy_bits = et_entry->phy_bits; et_entry->phy_bits |= le32toh(event_data->PhyBits); if (saved_phy_bits != et_entry->phy_bits) update_phy_bits = 1; if (et_entry->missing_count || update_phy_bits) { et_entry->missing_count = 0; if (sc->is_dpm_enable && et_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { dpm_entry += et_entry->dpm_entry_num; missing_count = (u8)(dpm_entry->MappingInformation & MPI2_DRVMAP0_MAPINFO_MISSING_MASK); if (!et_entry->init_complete && ( missing_count || update_phy_bits)) { dpm_entry->MappingInformation = et_entry->num_slots; dpm_entry->MappingInformation <<= map_shift; dpm_entry->PhysicalBitsMapping = et_entry->phy_bits; sc->dpm_flush_entry[et_entry-> dpm_entry_num] = 1; } } } } else { enc_idx = sc->num_enc_table_entries; if (enc_idx >= sc->max_enclosures) { printf("%s: enclosure can not be added; " "mapping table is full\n", __func__); goto out; } sc->num_enc_table_entries++; et_entry = &sc->enclosure_table[enc_idx]; et_entry->enc_handle = le16toh(event_data-> EnclosureHandle); et_entry->enclosure_id = event_data-> EnclosureLogicalID.High; et_entry->enclosure_id = ( et_entry->enclosure_id << 32) | event_data->EnclosureLogicalID.Low; et_entry->start_index = MPS_MAPTABLE_BAD_IDX; et_entry->dpm_entry_num = MPS_DPM_BAD_IDX; et_entry->num_slots = le16toh(event_data->NumSlots); et_entry->start_slot = le16toh(event_data->StartSlot); et_entry->phy_bits = le32toh(event_data->PhyBits); } et_entry->init_complete = 1; } else if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) { enc_idx = _mapping_get_enc_idx_from_handle(sc, le16toh(event_data->EnclosureHandle)); if (enc_idx == MPS_ENCTABLE_BAD_IDX) { printf("%s: cannot unmap enclosure %d because it has " "already been deleted", __func__, enc_idx); goto out; } et_entry = &sc->enclosure_table[enc_idx]; if (!et_entry->init_complete) { if (et_entry->missing_count < MPS_MAX_MISSING_COUNT) et_entry->missing_count++; else et_entry->init_complete = 1; } if (!et_entry->missing_count) et_entry->missing_count++; if (sc->is_dpm_enable && !et_entry->init_complete && et_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { dpm_entry += et_entry->dpm_entry_num; dpm_entry->MappingInformation = et_entry->num_slots; dpm_entry->MappingInformation <<= map_shift; dpm_entry->MappingInformation |= et_entry->missing_count; sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1; } et_entry->init_complete = 1; } out: _mapping_flush_dpm_pages(sc); if (sc->pending_map_events) sc->pending_map_events--; } /** * mps_mapping_topology_change_event - handle topology change events * @sc: per adapter object * @event_data: event data payload * * Returns nothing. */ void mps_mapping_topology_change_event(struct mps_softc *sc, Mpi2EventDataSasTopologyChangeList_t *event_data) { struct _map_topology_change topo_change; struct _map_phy_change *phy_change; Mpi2EventSasTopoPhyEntry_t *event_phy_change; u8 i, num_entries; topo_change.enc_handle = le16toh(event_data->EnclosureHandle); topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle); num_entries = event_data->NumEntries; topo_change.num_entries = num_entries; topo_change.start_phy_num = event_data->StartPhyNum; topo_change.num_phys = event_data->NumPhys; topo_change.exp_status = event_data->ExpStatus; event_phy_change = event_data->PHY; topo_change.phy_details = NULL; if (!num_entries) goto out; phy_change = malloc(sizeof(struct _map_phy_change) * num_entries, M_MPT2, M_NOWAIT|M_ZERO); topo_change.phy_details = phy_change; if (!phy_change) goto out; for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) { phy_change->dev_handle = le16toh(event_phy_change-> AttachedDevHandle); phy_change->reason = event_phy_change->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK; } _mapping_update_missing_count(sc, &topo_change); _mapping_get_dev_info(sc, &topo_change); _mapping_clear_removed_entries(sc); _mapping_add_new_device(sc, &topo_change); out: free(topo_change.phy_details, M_MPT2); _mapping_flush_dpm_pages(sc); if (sc->pending_map_events) sc->pending_map_events--; } /** * _mapping_check_update_ir_mt_idx - Check and update IR map table index * @sc: per adapter object * @event_data: event data payload * @evt_idx: current event index * @map_idx: current index and the place holder for new map table index * @wwid_table: world wide name for volumes in the element table * * pass through IR events and find whether any events matches and if so * tries to find new index if not returns failure * * Returns 0 on success and 1 on failure */ static int _mapping_check_update_ir_mt_idx(struct mps_softc *sc, Mpi2EventDataIrConfigChangeList_t *event_data, int evt_idx, u32 *map_idx, u64 *wwid_table) { struct dev_mapping_table *mt_entry; u32 st_idx, end_idx, mt_idx = *map_idx; u8 match = 0; Mpi2EventIrConfigElement_t *element; u16 element_flags; int i; mt_entry = &sc->mapping_table[mt_idx]; _mapping_get_ir_maprange(sc, &st_idx, &end_idx); search_again: match = 0; for (i = evt_idx + 1; i < event_data->NumElements; i++) { element = (Mpi2EventIrConfigElement_t *) &event_data->ConfigElement[i]; element_flags = le16toh(element->ElementFlags); if ((element_flags & MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) != MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) continue; if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED || element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) { if (mt_entry->physical_id == wwid_table[i]) { match = 1; break; } } } if (match) { do { mt_idx++; if (mt_idx > end_idx) return 1; mt_entry = &sc->mapping_table[mt_idx]; } while (mt_entry->device_info & MPS_MAP_IN_USE); goto search_again; } *map_idx = mt_idx; return 0; } /** * mps_mapping_ir_config_change_event - handle IR config change list events * @sc: per adapter object * @event_data: event data payload * * Returns nothing. */ void mps_mapping_ir_config_change_event(struct mps_softc *sc, Mpi2EventDataIrConfigChangeList_t *event_data) { Mpi2EventIrConfigElement_t *element; int i; u64 *wwid_table; u32 map_idx, flags; struct dev_mapping_table *mt_entry; u16 element_flags; u8 log_full_error = 0; wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPT2, M_NOWAIT | M_ZERO); if (!wwid_table) goto out; element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; flags = le32toh(event_data->Flags); for (i = 0; i < event_data->NumElements; i++, element++) { element_flags = le16toh(element->ElementFlags); if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) && (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) && (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE) && (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED)) continue; if ((element_flags & MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) == MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) { mps_config_get_volume_wwid(sc, le16toh(element->VolDevHandle), &wwid_table[i]); map_idx = _mapping_get_ir_mt_idx_from_wwid(sc, wwid_table[i]); if (map_idx != MPS_MAPTABLE_BAD_IDX) { mt_entry = &sc->mapping_table[map_idx]; mt_entry->device_info |= MPS_MAP_IN_USE; } } } if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) goto out; else { element = (Mpi2EventIrConfigElement_t *)&event_data-> ConfigElement[0]; for (i = 0; i < event_data->NumElements; i++, element++) { if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED || element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) { map_idx = _mapping_get_ir_mt_idx_from_wwid (sc, wwid_table[i]); if (map_idx != MPS_MAPTABLE_BAD_IDX) { mt_entry = &sc->mapping_table[map_idx]; mt_entry->channel = MPS_RAID_CHANNEL; mt_entry->id = map_idx; mt_entry->dev_handle = le16toh (element->VolDevHandle); mt_entry->device_info = MPS_DEV_RESERVED | MPS_MAP_IN_USE; _mapping_update_ir_missing_cnt(sc, map_idx, element, wwid_table[i]); continue; } map_idx = _mapping_get_free_ir_mt_idx(sc); if (map_idx == MPS_MAPTABLE_BAD_IDX) log_full_error = 1; else if (i < (event_data->NumElements - 1)) { log_full_error = _mapping_check_update_ir_mt_idx (sc, event_data, i, &map_idx, wwid_table); } if (log_full_error) { printf("%s: no space to add the RAID " "volume with handle 0x%04x in " "mapping table\n", __func__, le16toh (element->VolDevHandle)); continue; } mt_entry = &sc->mapping_table[map_idx]; mt_entry->physical_id = wwid_table[i]; mt_entry->channel = MPS_RAID_CHANNEL; mt_entry->id = map_idx; mt_entry->dev_handle = le16toh(element-> VolDevHandle); mt_entry->device_info = MPS_DEV_RESERVED | MPS_MAP_IN_USE; mt_entry->init_complete = 0; _mapping_update_ir_missing_cnt(sc, map_idx, element, wwid_table[i]); } else if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_REMOVED) { map_idx = _mapping_get_ir_mt_idx_from_wwid(sc, wwid_table[i]); if (map_idx == MPS_MAPTABLE_BAD_IDX) { printf("%s: failed to remove a volume " "because it has already been " "removed\n", __func__); continue; } _mapping_update_ir_missing_cnt(sc, map_idx, element, wwid_table[i]); } else if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) { map_idx = _mapping_get_mt_idx_from_handle(sc, le16toh(element->VolDevHandle)); if (map_idx == MPS_MAPTABLE_BAD_IDX) { printf("%s: failed to remove volume " "with handle 0x%04x because it has " "already been removed\n", __func__, le16toh(element->VolDevHandle)); continue; } mt_entry = &sc->mapping_table[map_idx]; _mapping_update_ir_missing_cnt(sc, map_idx, element, mt_entry->physical_id); } } } out: _mapping_flush_dpm_pages(sc); free(wwid_table, M_MPT2); if (sc->pending_map_events) sc->pending_map_events--; +} + +int +mps_mapping_dump(SYSCTL_HANDLER_ARGS) +{ + struct mps_softc *sc; + struct dev_mapping_table *mt_entry; + struct sbuf sbuf; + int i, error; + + sc = (struct mps_softc *)arg1; + + error = sysctl_wire_old_buffer(req, 0); + if (error != 0) + return (error); + sbuf_new_for_sysctl(&sbuf, NULL, 128, req); + + sbuf_printf(&sbuf, "\nindex physical_id handle id\n"); + for (i = 0; i < sc->max_devices; i++) { + mt_entry = &sc->mapping_table[i]; + if (mt_entry->physical_id == 0) + continue; + sbuf_printf(&sbuf, "%4d %jx %04x %hd\n", + i, mt_entry->physical_id, mt_entry->dev_handle, + mt_entry->id); + } + error = sbuf_finish(&sbuf); + sbuf_delete(&sbuf); + return (error); +} + +int +mps_mapping_encl_dump(SYSCTL_HANDLER_ARGS) +{ + struct mps_softc *sc; + struct enc_mapping_table *enc_entry; + struct sbuf sbuf; + int i, error; + + sc = (struct mps_softc *)arg1; + + error = sysctl_wire_old_buffer(req, 0); + if (error != 0) + return (error); + sbuf_new_for_sysctl(&sbuf, NULL, 128, req); + + sbuf_printf(&sbuf, "\nindex enclosure_id handle map_index\n"); + for (i = 0; i < sc->max_enclosures; i++) { + enc_entry = &sc->enclosure_table[i]; + if (enc_entry->enclosure_id == 0) + continue; + sbuf_printf(&sbuf, "%4d %jx %04x %d\n", + i, enc_entry->enclosure_id, enc_entry->enc_handle, + enc_entry->start_index); + } + error = sbuf_finish(&sbuf); + sbuf_delete(&sbuf); + return (error); } Index: head/sys/dev/mps/mpsvar.h =================================================================== --- head/sys/dev/mps/mpsvar.h (revision 295285) +++ head/sys/dev/mps/mpsvar.h (revision 295286) @@ -1,808 +1,810 @@ /*- * Copyright (c) 2009 Yahoo! Inc. * Copyright (c) 2011-2015 LSI Corp. * Copyright (c) 2013-2015 Avago Technologies * 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. * * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD * * $FreeBSD$ */ #ifndef _MPSVAR_H #define _MPSVAR_H #define MPS_DRIVER_VERSION "20.00.00.00-fbsd" #define MPS_DB_MAX_WAIT 2500 #define MPS_REQ_FRAMES 1024 #define MPS_EVT_REPLY_FRAMES 32 #define MPS_REPLY_FRAMES MPS_REQ_FRAMES #define MPS_CHAIN_FRAMES 2048 #define MPS_SENSE_LEN SSD_FULL_SIZE #define MPS_MSI_COUNT 1 #define MPS_SGE64_SIZE 12 #define MPS_SGE32_SIZE 8 #define MPS_SGC_SIZE 8 #define CAN_SLEEP 1 #define NO_SLEEP 0 #define MPS_PERIODIC_DELAY 1 /* 1 second heartbeat/watchdog check */ #define MPS_ATA_ID_TIMEOUT 5 /* 5 second timeout for SATA ID cmd */ #define MPS_SCSI_RI_INVALID_FRAME (0x00000002) #define MPS_STRING_LENGTH 64 #define DEFAULT_SPINUP_WAIT 3 /* seconds to wait for spinup */ #include /* * host mapping related macro definitions */ #define MPS_MAPTABLE_BAD_IDX 0xFFFFFFFF #define MPS_DPM_BAD_IDX 0xFFFF #define MPS_ENCTABLE_BAD_IDX 0xFF #define MPS_MAX_MISSING_COUNT 0x0F #define MPS_DEV_RESERVED 0x20000000 #define MPS_MAP_IN_USE 0x10000000 #define MPS_RAID_CHANNEL 1 #define MPS_MAP_BAD_ID 0xFFFFFFFF /* * WarpDrive controller */ #define MPS_CHIP_WD_DEVICE_ID 0x007E #define MPS_WD_LSI_OEM 0x80 #define MPS_WD_HIDE_EXPOSE_MASK 0x03 #define MPS_WD_HIDE_ALWAYS 0x00 #define MPS_WD_EXPOSE_ALWAYS 0x01 #define MPS_WD_HIDE_IF_VOLUME 0x02 #define MPS_WD_RETRY 0x01 #define MPS_MAN_PAGE10_SIZE 0x5C /* Hardcode for now */ #define MPS_MAX_DISKS_IN_VOL 10 /* * WarpDrive Event Logging */ #define MPI2_WD_LOG_ENTRY 0x8002 #define MPI2_WD_SSD_THROTTLING 0x0041 #define MPI2_WD_DRIVE_LIFE_WARN 0x0043 #define MPI2_WD_DRIVE_LIFE_DEAD 0x0044 #define MPI2_WD_RAIL_MON_FAIL 0x004D typedef uint8_t u8; typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; /** * struct dev_mapping_table - device mapping information * @physical_id: SAS address for drives or WWID for RAID volumes * @device_info: bitfield provides detailed info about the device * @phy_bits: bitfields indicating controller phys * @dpm_entry_num: index of this device in device persistent map table * @dev_handle: device handle for the device pointed by this entry * @channel: target channel * @id: target id * @missing_count: number of times the device not detected by driver * @hide_flag: Hide this physical disk/not (foreign configuration) * @init_complete: Whether the start of the day checks completed or not */ struct dev_mapping_table { u64 physical_id; u32 device_info; u32 phy_bits; u16 dpm_entry_num; u16 dev_handle; u8 reserved1; u8 channel; u16 id; u8 missing_count; u8 init_complete; u8 TLR_bits; u8 reserved2; }; /** * struct enc_mapping_table - mapping information about an enclosure * @enclosure_id: Logical ID of this enclosure * @start_index: index to the entry in dev_mapping_table * @phy_bits: bitfields indicating controller phys * @dpm_entry_num: index of this enclosure in device persistent map table * @enc_handle: device handle for the enclosure pointed by this entry * @num_slots: number of slots in the enclosure * @start_slot: Starting slot id * @missing_count: number of times the device not detected by driver * @removal_flag: used to mark the device for removal * @skip_search: used as a flag to include/exclude enclosure for search * @init_complete: Whether the start of the day checks completed or not */ struct enc_mapping_table { u64 enclosure_id; u32 start_index; u32 phy_bits; u16 dpm_entry_num; u16 enc_handle; u16 num_slots; u16 start_slot; u8 missing_count; u8 removal_flag; u8 skip_search; u8 init_complete; }; /** * struct map_removal_table - entries to be removed from mapping table * @dpm_entry_num: index of this device in device persistent map table * @dev_handle: device handle for the device pointed by this entry */ struct map_removal_table{ u16 dpm_entry_num; u16 dev_handle; }; typedef struct mps_fw_diagnostic_buffer { size_t size; uint8_t extended_type; uint8_t buffer_type; uint8_t force_release; uint32_t product_specific[23]; uint8_t immediate; uint8_t enabled; uint8_t valid_data; uint8_t owned_by_firmware; uint32_t unique_id; } mps_fw_diagnostic_buffer_t; struct mps_softc; struct mps_command; struct mpssas_softc; union ccb; struct mpssas_target; struct mps_column_map; MALLOC_DECLARE(M_MPT2); typedef void mps_evt_callback_t(struct mps_softc *, uintptr_t, MPI2_EVENT_NOTIFICATION_REPLY *reply); typedef void mps_command_callback_t(struct mps_softc *, struct mps_command *cm); struct mps_chain { TAILQ_ENTRY(mps_chain) chain_link; MPI2_SGE_IO_UNION *chain; uint32_t chain_busaddr; }; /* * This needs to be at least 2 to support SMP passthrough. */ #define MPS_IOVEC_COUNT 2 struct mps_command { TAILQ_ENTRY(mps_command) cm_link; TAILQ_ENTRY(mps_command) cm_recovery; struct mps_softc *cm_sc; union ccb *cm_ccb; void *cm_data; u_int cm_length; u_int cm_out_len; struct uio cm_uio; struct iovec cm_iovec[MPS_IOVEC_COUNT]; u_int cm_max_segs; u_int cm_sglsize; MPI2_SGE_IO_UNION *cm_sge; uint8_t *cm_req; uint8_t *cm_reply; uint32_t cm_reply_data; mps_command_callback_t *cm_complete; void *cm_complete_data; struct mpssas_target *cm_targ; MPI2_REQUEST_DESCRIPTOR_UNION cm_desc; u_int cm_lun; u_int cm_flags; #define MPS_CM_FLAGS_POLLED (1 << 0) #define MPS_CM_FLAGS_COMPLETE (1 << 1) #define MPS_CM_FLAGS_SGE_SIMPLE (1 << 2) #define MPS_CM_FLAGS_DATAOUT (1 << 3) #define MPS_CM_FLAGS_DATAIN (1 << 4) #define MPS_CM_FLAGS_WAKEUP (1 << 5) #define MPS_CM_FLAGS_DD_IO (1 << 6) #define MPS_CM_FLAGS_USE_UIO (1 << 7) #define MPS_CM_FLAGS_SMP_PASS (1 << 8) #define MPS_CM_FLAGS_CHAIN_FAILED (1 << 9) #define MPS_CM_FLAGS_ERROR_MASK MPS_CM_FLAGS_CHAIN_FAILED #define MPS_CM_FLAGS_USE_CCB (1 << 10) #define MPS_CM_FLAGS_SATA_ID_TIMEOUT (1 << 11) u_int cm_state; #define MPS_CM_STATE_FREE 0 #define MPS_CM_STATE_BUSY 1 #define MPS_CM_STATE_TIMEDOUT 2 bus_dmamap_t cm_dmamap; struct scsi_sense_data *cm_sense; TAILQ_HEAD(, mps_chain) cm_chain_list; uint32_t cm_req_busaddr; uint32_t cm_sense_busaddr; struct callout cm_callout; }; struct mps_column_map { uint16_t dev_handle; uint8_t phys_disk_num; }; struct mps_event_handle { TAILQ_ENTRY(mps_event_handle) eh_list; mps_evt_callback_t *callback; void *data; u32 mask[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; }; struct mps_softc { device_t mps_dev; struct cdev *mps_cdev; u_int mps_flags; #define MPS_FLAGS_INTX (1 << 0) #define MPS_FLAGS_MSI (1 << 1) #define MPS_FLAGS_BUSY (1 << 2) #define MPS_FLAGS_SHUTDOWN (1 << 3) #define MPS_FLAGS_DIAGRESET (1 << 4) #define MPS_FLAGS_ATTACH_DONE (1 << 5) #define MPS_FLAGS_WD_AVAILABLE (1 << 6) u_int mps_debug; u_int disable_msix; u_int disable_msi; int tm_cmds_active; int io_cmds_active; int io_cmds_highwater; int chain_free; int max_chains; int chain_free_lowwater; u_int enable_ssu; int spinup_wait_time; uint64_t chain_alloc_fail; struct sysctl_ctx_list sysctl_ctx; struct sysctl_oid *sysctl_tree; char fw_version[16]; struct mps_command *commands; struct mps_chain *chains; struct callout periodic; struct mpssas_softc *sassc; char tmp_string[MPS_STRING_LENGTH]; TAILQ_HEAD(, mps_command) req_list; TAILQ_HEAD(, mps_command) high_priority_req_list; TAILQ_HEAD(, mps_chain) chain_list; TAILQ_HEAD(, mps_command) tm_list; int replypostindex; int replyfreeindex; struct resource *mps_regs_resource; bus_space_handle_t mps_bhandle; bus_space_tag_t mps_btag; int mps_regs_rid; bus_dma_tag_t mps_parent_dmat; bus_dma_tag_t buffer_dmat; MPI2_IOC_FACTS_REPLY *facts; int num_reqs; int num_replies; int fqdepth; /* Free queue */ int pqdepth; /* Post queue */ u32 event_mask[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; TAILQ_HEAD(, mps_event_handle) event_list; struct mps_event_handle *mps_log_eh; struct mtx mps_mtx; struct intr_config_hook mps_ich; struct resource *mps_irq[MPS_MSI_COUNT]; void *mps_intrhand[MPS_MSI_COUNT]; int mps_irq_rid[MPS_MSI_COUNT]; uint8_t *req_frames; bus_addr_t req_busaddr; bus_dma_tag_t req_dmat; bus_dmamap_t req_map; uint8_t *reply_frames; bus_addr_t reply_busaddr; bus_dma_tag_t reply_dmat; bus_dmamap_t reply_map; struct scsi_sense_data *sense_frames; bus_addr_t sense_busaddr; bus_dma_tag_t sense_dmat; bus_dmamap_t sense_map; uint8_t *chain_frames; bus_addr_t chain_busaddr; bus_dma_tag_t chain_dmat; bus_dmamap_t chain_map; MPI2_REPLY_DESCRIPTORS_UNION *post_queue; bus_addr_t post_busaddr; uint32_t *free_queue; bus_addr_t free_busaddr; bus_dma_tag_t queues_dmat; bus_dmamap_t queues_map; uint8_t *fw_diag_buffer; bus_addr_t fw_diag_busaddr; bus_dma_tag_t fw_diag_dmat; bus_dmamap_t fw_diag_map; uint8_t ir_firmware; /* static config pages */ Mpi2IOCPage8_t ioc_pg8; /* host mapping support */ struct dev_mapping_table *mapping_table; struct enc_mapping_table *enclosure_table; struct map_removal_table *removal_table; uint8_t *dpm_entry_used; uint8_t *dpm_flush_entry; Mpi2DriverMappingPage0_t *dpm_pg0; uint16_t max_devices; uint16_t max_enclosures; uint16_t max_expanders; uint8_t max_volumes; uint8_t num_enc_table_entries; uint8_t num_rsvd_entries; uint8_t num_channels; uint16_t max_dpm_entries; uint8_t is_dpm_enable; uint8_t track_mapping_events; uint32_t pending_map_events; uint8_t mt_full_retry; uint8_t mt_add_device_failed; /* FW diag Buffer List */ mps_fw_diagnostic_buffer_t fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_COUNT]; /* Event Recording IOCTL support */ uint32_t events_to_record[4]; mps_event_entry_t recorded_events[MPS_EVENT_QUEUE_SIZE]; uint8_t event_index; uint32_t event_number; /* EEDP and TLR support */ uint8_t eedp_enabled; uint8_t control_TLR; /* Shutdown Event Handler */ eventhandler_tag shutdown_eh; /* To track topo events during reset */ #define MPS_DIAG_RESET_TIMEOUT 300000 uint8_t wait_for_port_enable; uint8_t port_enable_complete; uint8_t msleep_fake_chan; /* WD controller */ uint8_t WD_available; uint8_t WD_valid_config; uint8_t WD_hide_expose; /* Direct Drive for WarpDrive */ uint8_t DD_num_phys_disks; uint16_t DD_dev_handle; uint32_t DD_stripe_size; uint32_t DD_stripe_exponent; uint32_t DD_block_size; uint16_t DD_block_exponent; uint64_t DD_max_lba; struct mps_column_map DD_column_map[MPS_MAX_DISKS_IN_VOL]; char exclude_ids[80]; struct timeval lastfail; /* StartStopUnit command handling at shutdown */ uint32_t SSU_refcount; uint8_t SSU_started; }; struct mps_config_params { MPI2_CONFIG_EXT_PAGE_HEADER_UNION hdr; u_int action; u_int page_address; /* Attributes, not a phys address */ u_int status; void *buffer; u_int length; int timeout; void (*callback)(struct mps_softc *, struct mps_config_params *); void *cbdata; }; struct scsi_read_capacity_eedp { uint8_t addr[8]; uint8_t length[4]; uint8_t protect; }; static __inline uint32_t mps_regread(struct mps_softc *sc, uint32_t offset) { return (bus_space_read_4(sc->mps_btag, sc->mps_bhandle, offset)); } static __inline void mps_regwrite(struct mps_softc *sc, uint32_t offset, uint32_t val) { bus_space_write_4(sc->mps_btag, sc->mps_bhandle, offset, val); } /* free_queue must have Little Endian address * TODO- cm_reply_data is unwanted. We can remove it. * */ static __inline void mps_free_reply(struct mps_softc *sc, uint32_t busaddr) { if (++sc->replyfreeindex >= sc->fqdepth) sc->replyfreeindex = 0; sc->free_queue[sc->replyfreeindex] = htole32(busaddr); mps_regwrite(sc, MPI2_REPLY_FREE_HOST_INDEX_OFFSET, sc->replyfreeindex); } static __inline struct mps_chain * mps_alloc_chain(struct mps_softc *sc) { struct mps_chain *chain; if ((chain = TAILQ_FIRST(&sc->chain_list)) != NULL) { TAILQ_REMOVE(&sc->chain_list, chain, chain_link); sc->chain_free--; if (sc->chain_free < sc->chain_free_lowwater) sc->chain_free_lowwater = sc->chain_free; } else sc->chain_alloc_fail++; return (chain); } static __inline void mps_free_chain(struct mps_softc *sc, struct mps_chain *chain) { sc->chain_free++; TAILQ_INSERT_TAIL(&sc->chain_list, chain, chain_link); } static __inline void mps_free_command(struct mps_softc *sc, struct mps_command *cm) { struct mps_chain *chain, *chain_temp; if (cm->cm_reply != NULL) mps_free_reply(sc, cm->cm_reply_data); cm->cm_reply = NULL; cm->cm_flags = 0; cm->cm_complete = NULL; cm->cm_complete_data = NULL; cm->cm_ccb = NULL; cm->cm_targ = NULL; cm->cm_max_segs = 0; cm->cm_lun = 0; cm->cm_state = MPS_CM_STATE_FREE; cm->cm_data = NULL; cm->cm_length = 0; cm->cm_out_len = 0; cm->cm_sglsize = 0; cm->cm_sge = NULL; TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) { TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link); mps_free_chain(sc, chain); } TAILQ_INSERT_TAIL(&sc->req_list, cm, cm_link); } static __inline struct mps_command * mps_alloc_command(struct mps_softc *sc) { struct mps_command *cm; cm = TAILQ_FIRST(&sc->req_list); if (cm == NULL) return (NULL); TAILQ_REMOVE(&sc->req_list, cm, cm_link); KASSERT(cm->cm_state == MPS_CM_STATE_FREE, ("mps: Allocating busy command\n")); cm->cm_state = MPS_CM_STATE_BUSY; return (cm); } static __inline void mps_free_high_priority_command(struct mps_softc *sc, struct mps_command *cm) { struct mps_chain *chain, *chain_temp; if (cm->cm_reply != NULL) mps_free_reply(sc, cm->cm_reply_data); cm->cm_reply = NULL; cm->cm_flags = 0; cm->cm_complete = NULL; cm->cm_complete_data = NULL; cm->cm_ccb = NULL; cm->cm_targ = NULL; cm->cm_lun = 0; cm->cm_state = MPS_CM_STATE_FREE; TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) { TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link); mps_free_chain(sc, chain); } TAILQ_INSERT_TAIL(&sc->high_priority_req_list, cm, cm_link); } static __inline struct mps_command * mps_alloc_high_priority_command(struct mps_softc *sc) { struct mps_command *cm; cm = TAILQ_FIRST(&sc->high_priority_req_list); if (cm == NULL) return (NULL); TAILQ_REMOVE(&sc->high_priority_req_list, cm, cm_link); KASSERT(cm->cm_state == MPS_CM_STATE_FREE, ("mps: Allocating busy command\n")); cm->cm_state = MPS_CM_STATE_BUSY; return (cm); } static __inline void mps_lock(struct mps_softc *sc) { mtx_lock(&sc->mps_mtx); } static __inline void mps_unlock(struct mps_softc *sc) { mtx_unlock(&sc->mps_mtx); } #define MPS_INFO (1 << 0) /* Basic info */ #define MPS_FAULT (1 << 1) /* Hardware faults */ #define MPS_EVENT (1 << 2) /* Event data from the controller */ #define MPS_LOG (1 << 3) /* Log data from the controller */ #define MPS_RECOVERY (1 << 4) /* Command error recovery tracing */ #define MPS_ERROR (1 << 5) /* Parameter errors, programming bugs */ #define MPS_INIT (1 << 6) /* Things related to system init */ #define MPS_XINFO (1 << 7) /* More detailed/noisy info */ #define MPS_USER (1 << 8) /* Trace user-generated commands */ #define MPS_MAPPING (1 << 9) /* Trace device mappings */ #define MPS_TRACE (1 << 10) /* Function-by-function trace */ #define MPS_SSU_DISABLE_SSD_DISABLE_HDD 0 #define MPS_SSU_ENABLE_SSD_DISABLE_HDD 1 #define MPS_SSU_DISABLE_SSD_ENABLE_HDD 2 #define MPS_SSU_ENABLE_SSD_ENABLE_HDD 3 #define mps_printf(sc, args...) \ device_printf((sc)->mps_dev, ##args) #define mps_vprintf(sc, args...) \ do { \ if (bootverbose) \ mps_printf(sc, ##args); \ } while (0) #define mps_dprint(sc, level, msg, args...) \ do { \ if ((sc)->mps_debug & (level)) \ device_printf((sc)->mps_dev, msg, ##args); \ } while (0) #define mps_dprint_field(sc, level, msg, args...) \ do { \ if ((sc)->mps_debug & (level)) \ printf("\t" msg, ##args); \ } while (0) #define MPS_PRINTFIELD_START(sc, tag...) \ mps_dprint((sc), MPS_XINFO, ##tag); \ mps_dprint_field((sc), MPS_XINFO, ":\n") #define MPS_PRINTFIELD_END(sc, tag) \ mps_dprint((sc), MPS_XINFO, tag "\n") #define MPS_PRINTFIELD(sc, facts, attr, fmt) \ mps_dprint_field((sc), MPS_XINFO, #attr ": " #fmt "\n", (facts)->attr) #define MPS_EVENTFIELD_START(sc, tag...) \ mps_dprint((sc), MPS_EVENT, ##tag); \ mps_dprint_field((sc), MPS_EVENT, ":\n") #define MPS_EVENTFIELD(sc, facts, attr, fmt) \ mps_dprint_field((sc), MPS_EVENT, #attr ": " #fmt "\n", (facts)->attr) #define MPS_FUNCTRACE(sc) \ mps_dprint((sc), MPS_TRACE, "%s\n", __func__) #define CAN_SLEEP 1 #define NO_SLEEP 0 static __inline void mps_from_u64(uint64_t data, U64 *mps) { (mps)->High = htole32((uint32_t)((data) >> 32)); (mps)->Low = htole32((uint32_t)((data) & 0xffffffff)); } static __inline uint64_t mps_to_u64(U64 *data) { return (((uint64_t)le32toh(data->High) << 32) | le32toh(data->Low)); } static __inline void mps_mask_intr(struct mps_softc *sc) { uint32_t mask; mask = mps_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET); mask |= MPI2_HIM_REPLY_INT_MASK; mps_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask); } static __inline void mps_unmask_intr(struct mps_softc *sc) { uint32_t mask; mask = mps_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET); mask &= ~MPI2_HIM_REPLY_INT_MASK; mps_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask); } int mps_pci_setup_interrupts(struct mps_softc *sc); int mps_pci_restore(struct mps_softc *sc); int mps_attach(struct mps_softc *sc); int mps_free(struct mps_softc *sc); void mps_intr(void *); void mps_intr_msi(void *); void mps_intr_locked(void *); int mps_register_events(struct mps_softc *, u32 *, mps_evt_callback_t *, void *, struct mps_event_handle **); int mps_restart(struct mps_softc *); int mps_update_events(struct mps_softc *, struct mps_event_handle *, u32 *); void mps_deregister_events(struct mps_softc *, struct mps_event_handle *); int mps_push_sge(struct mps_command *, void *, size_t, int); int mps_add_dmaseg(struct mps_command *, vm_paddr_t, size_t, u_int, int); int mps_attach_sas(struct mps_softc *sc); int mps_detach_sas(struct mps_softc *sc); int mps_read_config_page(struct mps_softc *, struct mps_config_params *); int mps_write_config_page(struct mps_softc *, struct mps_config_params *); void mps_memaddr_cb(void *, bus_dma_segment_t *, int , int ); void mpi_init_sge(struct mps_command *cm, void *req, void *sge); int mps_attach_user(struct mps_softc *); void mps_detach_user(struct mps_softc *); void mpssas_record_event(struct mps_softc *sc, MPI2_EVENT_NOTIFICATION_REPLY *event_reply); int mps_map_command(struct mps_softc *sc, struct mps_command *cm); int mps_wait_command(struct mps_softc *sc, struct mps_command *cm, int timeout, int sleep_flag); int mps_config_get_bios_pg3(struct mps_softc *sc, Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage3_t *config_page); int mps_config_get_raid_volume_pg0(struct mps_softc *sc, Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 page_address); int mps_config_get_ioc_pg8(struct mps_softc *sc, Mpi2ConfigReply_t *, Mpi2IOCPage8_t *); int mps_config_get_man_pg10(struct mps_softc *sc, Mpi2ConfigReply_t *mpi_reply); int mps_config_get_sas_device_pg0(struct mps_softc *, Mpi2ConfigReply_t *, Mpi2SasDevicePage0_t *, u32 , u16 ); int mps_config_get_dpm_pg0(struct mps_softc *, Mpi2ConfigReply_t *, Mpi2DriverMappingPage0_t *, u16 ); int mps_config_get_raid_volume_pg1(struct mps_softc *sc, Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u16 handle); int mps_config_get_volume_wwid(struct mps_softc *sc, u16 volume_handle, u64 *wwid); int mps_config_get_raid_pd_pg0(struct mps_softc *sc, Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 page_address); void mpssas_ir_shutdown(struct mps_softc *sc); int mps_reinit(struct mps_softc *sc); void mpssas_handle_reinit(struct mps_softc *sc); void mps_base_static_config_pages(struct mps_softc *sc); void mps_wd_config_pages(struct mps_softc *sc); int mps_mapping_initialize(struct mps_softc *); void mps_mapping_topology_change_event(struct mps_softc *, Mpi2EventDataSasTopologyChangeList_t *); int mps_mapping_is_reinit_required(struct mps_softc *); void mps_mapping_free_memory(struct mps_softc *sc); int mps_config_set_dpm_pg0(struct mps_softc *, Mpi2ConfigReply_t *, Mpi2DriverMappingPage0_t *, u16 ); void mps_mapping_exit(struct mps_softc *); void mps_mapping_check_devices(struct mps_softc *, int); int mps_mapping_allocate_memory(struct mps_softc *sc); unsigned int mps_mapping_get_sas_id(struct mps_softc *, uint64_t , u16); unsigned int mps_mapping_get_sas_id_from_handle(struct mps_softc *sc, u16 handle); unsigned int mps_mapping_get_raid_id(struct mps_softc *sc, u64 wwid, u16 handle); unsigned int mps_mapping_get_raid_id_from_handle(struct mps_softc *sc, u16 volHandle); void mps_mapping_enclosure_dev_status_change_event(struct mps_softc *, Mpi2EventDataSasEnclDevStatusChange_t *event_data); void mps_mapping_ir_config_change_event(struct mps_softc *sc, Mpi2EventDataIrConfigChangeList_t *event_data); +int mps_mapping_dump(SYSCTL_HANDLER_ARGS); +int mps_mapping_encl_dump(SYSCTL_HANDLER_ARGS); void mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, MPI2_EVENT_NOTIFICATION_REPLY *event); void mpssas_prepare_remove(struct mpssas_softc *sassc, uint16_t handle); void mpssas_prepare_volume_remove(struct mpssas_softc *sassc, uint16_t handle); int mpssas_startup(struct mps_softc *sc); struct mpssas_target * mpssas_find_target_by_handle(struct mpssas_softc *, int, uint16_t); void mpssas_realloc_targets(struct mps_softc *sc, int maxtargets); struct mps_command * mpssas_alloc_tm(struct mps_softc *sc); void mpssas_free_tm(struct mps_softc *sc, struct mps_command *tm); void mpssas_release_simq_reinit(struct mpssas_softc *sassc); int mpssas_send_reset(struct mps_softc *sc, struct mps_command *tm, uint8_t type); SYSCTL_DECL(_hw_mps); /* Compatibility shims for different OS versions */ #if __FreeBSD_version >= 800001 #define mps_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) #define mps_kproc_exit(arg) kproc_exit(arg) #else #define mps_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) #define mps_kproc_exit(arg) kthread_exit(arg) #endif #if defined(CAM_PRIORITY_XPT) #define MPS_PRIORITY_XPT CAM_PRIORITY_XPT #else #define MPS_PRIORITY_XPT 5 #endif #if __FreeBSD_version < 800107 // Prior to FreeBSD-8.0 scp3_flags was not defined. #define spc3_flags reserved #define SPC3_SID_PROTECT 0x01 #define SPC3_SID_3PC 0x08 #define SPC3_SID_TPGS_MASK 0x30 #define SPC3_SID_TPGS_IMPLICIT 0x10 #define SPC3_SID_TPGS_EXPLICIT 0x20 #define SPC3_SID_ACC 0x40 #define SPC3_SID_SCCS 0x80 #define CAM_PRIORITY_NORMAL CAM_PRIORITY_NONE #endif #endif