Index: head/sys/dev/mps/mps.c =================================================================== --- head/sys/dev/mps/mps.c (revision 365643) +++ head/sys/dev/mps/mps.c (revision 365644) @@ -1,3270 +1,3240 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * 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 #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 void mps_resize_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_hw_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); static int mps_debug_sysctl(SYSCTL_HANDLER_ARGS); static int mps_dump_reqs(SYSCTL_HANDLER_ARGS); static void mps_parse_debug(struct mps_softc *sc, char *list); SYSCTL_NODE(_hw, OID_AUTO, mps, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "MPS Driver Parameters"); MALLOC_DEFINE(M_MPT2, "mps", "mpt2 driver memory"); MALLOC_DECLARE(M_MPSUSER); /* * 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 throw 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_INIT, "%s entered\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; mps_dprint(sc, MPS_INIT, "sequence start, sleep_flag= %d\n", sleep_flag); /* 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) { mps_dprint(sc, MPS_INIT, "sequence failed, error=%d, exit\n", error); return (error); } /* Send the actual reset. XXX need to refresh the reg? */ reg |= MPI2_DIAG_RESET_ADAPTER; mps_dprint(sc, MPS_INIT, "sequence success, sending reset, reg= 0x%x\n", reg); mps_regwrite(sc, MPI2_HOST_DIAGNOSTIC_OFFSET, reg); /* 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) { mps_dprint(sc, MPS_INIT, "reset failed, error= %d, exit\n", error); return (error); } mps_regwrite(sc, MPI2_WRITE_SEQUENCE_OFFSET, 0x0); mps_dprint(sc, MPS_INIT, "diag reset success, exit\n"); return (0); } static int mps_message_unit_reset(struct mps_softc *sc, int sleep_flag) { int error; MPS_FUNCTRACE(sc); mps_dprint(sc, MPS_INIT, "%s entered\n", __func__); error = 0; 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_INIT|MPS_FAULT, "Doorbell handshake failed\n"); error = ETIMEDOUT; } mps_dprint(sc, MPS_INIT, "%s exit\n", __func__); return (error); } 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; mps_dprint(sc, MPS_INIT, "%s entered, sleep_flags= %d\n", __func__, sleep_flags); 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_dprint(sc, MPS_INIT, " Not ready, sending diag " "reset\n"); 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)) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "IOC is under the " "control of another peer host, aborting " "initialization.\n"); error = ENXIO; break; } 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_INIT|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_INIT|MPS_FAULT, "IOC in unexpected reset state\n"); } else { mps_dprint(sc, MPS_INIT|MPS_FAULT, "IOC in unknown state 0x%x\n", state); error = EINVAL; break; } /* Wait 50ms for things to settle down. */ DELAY(50000); } if (error) mps_dprint(sc, MPS_INIT|MPS_FAULT, "Cannot transition IOC to ready\n"); mps_dprint(sc, MPS_INIT, "%s exit\n", __func__); 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, "%s entered, Doorbell= 0x%x\n", __func__, reg); state = reg & MPI2_IOC_STATE_MASK; if (state != MPI2_IOC_STATE_READY) { mps_dprint(sc, MPS_INIT, "IOC not ready\n"); if ((error = mps_transition_ready(sc)) != 0) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "failed to transition ready, exit\n"); return (error); } } error = mps_send_iocinit(sc); mps_dprint(sc, MPS_INIT, "%s exit\n", __func__); return (error); } static void mps_resize_queues(struct mps_softc *sc) { u_int reqcr, prireqcr, maxio, sges_per_frame; /* * Size the queues. Since the reply queues always need one free * entry, we'll deduct one reply message here. The LSI documents * suggest instead to add a count to the request queue, but I think * that it's better to deduct from reply queue. */ prireqcr = MAX(1, sc->max_prireqframes); prireqcr = MIN(prireqcr, sc->facts->HighPriorityCredit); reqcr = MAX(2, sc->max_reqframes); reqcr = MIN(reqcr, sc->facts->RequestCredit); sc->num_reqs = prireqcr + reqcr; sc->num_prireqs = prireqcr; sc->num_replies = MIN(sc->max_replyframes + sc->max_evtframes, sc->facts->MaxReplyDescriptorPostQueueDepth) - 1; /* Store the request frame size in bytes rather than as 32bit words */ sc->reqframesz = sc->facts->IOCRequestFrameSize * 4; /* * Max IO Size is Page Size * the following: * ((SGEs per frame - 1 for chain element) * Max Chain Depth) * + 1 for no chain needed in last frame * * If user suggests a Max IO size to use, use the smaller of the * user's value and the calculated value as long as the user's * value is larger than 0. The user's value is in pages. */ sges_per_frame = sc->reqframesz / sizeof(MPI2_SGE_SIMPLE64) - 1; maxio = (sges_per_frame * sc->facts->MaxChainDepth + 1) * PAGE_SIZE; /* * If I/O size limitation requested, then use it and pass up to CAM. * If not, use MAXPHYS as an optimization hint, but report HW limit. */ if (sc->max_io_pages > 0) { maxio = min(maxio, sc->max_io_pages * PAGE_SIZE); sc->maxio = maxio; } else { sc->maxio = maxio; maxio = min(maxio, MAXPHYS); } sc->num_chains = (maxio / PAGE_SIZE + sges_per_frame - 2) / sges_per_frame * reqcr; if (sc->max_chains > 0 && sc->max_chains < sc->num_chains) sc->num_chains = sc->max_chains; /* * Figure out the number of MSIx-based queues. If the firmware or * user has done something crazy and not allowed enough credit for * the queues to be useful then don't enable multi-queue. */ if (sc->facts->MaxMSIxVectors < 2) sc->msi_msgs = 1; if (sc->msi_msgs > 1) { sc->msi_msgs = MIN(sc->msi_msgs, mp_ncpus); sc->msi_msgs = MIN(sc->msi_msgs, sc->facts->MaxMSIxVectors); if (sc->num_reqs / sc->msi_msgs < 2) sc->msi_msgs = 1; } mps_dprint(sc, MPS_INIT, "Sized queues to q=%d reqs=%d replies=%d\n", sc->msi_msgs, sc->num_reqs, sc->num_replies); } /* * 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_INIT|MPS_TRACE, "%s entered\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_INIT|MPS_FAULT, "Failed to get " "IOC Facts with error %d, exit\n", error); return (error); } else { panic("%s failed to get IOC Facts with error %d\n", __func__, error); } } MPS_DPRINT_PAGE(sc, MPS_XINFO, iocfacts, 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); snprintf(sc->msg_version, sizeof(sc->msg_version), "%d.%d", (sc->facts->MsgVersion & MPI2_IOCFACTS_MSGVERSION_MAJOR_MASK) >> MPI2_IOCFACTS_MSGVERSION_MAJOR_SHIFT, (sc->facts->MsgVersion & MPI2_IOCFACTS_MSGVERSION_MINOR_MASK) >> MPI2_IOCFACTS_MSGVERSION_MINOR_SHIFT); mps_dprint(sc, MPS_INFO, "Firmware: %s, Driver: %s\n", sc->fw_version, MPS_DRIVER_VERSION); mps_dprint(sc, MPS_INFO, "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 && ((sc->facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY) == 0)) { mps_dprint(sc, MPS_INIT, "No event replay, reseting\n"); mps_diag_reset(sc, NO_SLEEP); if ((error = mps_transition_ready(sc)) != 0) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "Failed to " "transition to ready with error %d, exit\n", 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_INIT|MPS_FAULT, "new IR/IT mode " "in IOC Facts does not match previous mode\n"); } } /* Only deallocate and reallocate if relevant IOC Facts have changed */ reallocating = FALSE; sc->mps_flags &= ~MPS_FLAGS_REALLOCATED; 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; /* Record that we reallocated everything */ sc->mps_flags |= MPS_FLAGS_REALLOCATED; } /* * 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; mps_resize_queues(sc); /* * 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 + saved_facts.MaxVolumes); } /* * 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. */ error = 0; while (attaching || reallocating) { if ((error = mps_alloc_hw_queues(sc)) != 0) break; if ((error = mps_alloc_replies(sc)) != 0) break; if ((error = mps_alloc_requests(sc)) != 0) break; if ((error = mps_alloc_queues(sc)) != 0) break; break; } if (error) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "Failed to alloc queues with error %d\n", error); mps_free(sc); return (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) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "Failed to " "transition to operational with error %d\n", error); mps_free(sc); return (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 */ error = 0; while (attaching) { mps_dprint(sc, MPS_INIT, "Attaching subsystems\n"); if ((error = mps_attach_log(sc)) != 0) break; if ((error = mps_attach_sas(sc)) != 0) break; if ((error = mps_attach_user(sc)) != 0) break; break; } if (error) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "Failed to attach all " "subsystems: error %d\n", error); mps_free(sc); return (error); } /* * XXX If the number of MSI-X vectors changes during re-init, this * won't see it and adjust. */ if (attaching && (error = mps_pci_setup_interrupts(sc)) != 0) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "Failed to setup " "interrupts\n"); 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_frames != NULL) { bus_dmamap_unload(sc->chain_dmat, sc->chain_map); 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); mps_pci_free_interrupts(sc); free(sc->queues, M_MPT2); sc->queues = NULL; } /* * 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); mps_dprint(sc, MPS_INIT|MPS_INFO, "Reinitializing controller\n"); if (sc->mps_flags & MPS_FLAGS_DIAGRESET) { mps_dprint(sc, MPS_INIT, "Reset already in progress\n"); return 0; } /* 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, "masking interrupts and resetting\n"); 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_INIT|MPS_XINFO, "Finished sc %p post %u free %u\n", sc, sc->replypostindex, sc->replyfreeindex); mpssas_release_simq_reinit(sassc); mps_dprint(sc, MPS_INIT, "%s exit\n", __func__); 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_TRACE, "%s: successful 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); KASSERT(cm->cm_state == MPS_CM_STATE_BUSY, ("command not busy\n")); cm->cm_state = MPS_CM_STATE_INQUEUE; /* 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); mps_dprint(sc, MPS_INIT, "%s entered\n", __func__); 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); mps_dprint(sc, MPS_INIT, "%s exit error= %d\n", __func__, error); 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); mps_dprint(sc, MPS_INIT, "%s entered\n", __func__); /* Do a quick sanity check on proper initialization */ if ((sc->pqdepth == 0) || (sc->fqdepth == 0) || (sc->reqframesz == 0) || (sc->replyframesz == 0)) { mps_dprint(sc, MPS_INIT|MPS_ERROR, "Driver not fully initialized for IOCInit\n"); return (EINVAL); } 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((uint16_t)(sc->reqframesz / 4)); 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); mps_dprint(sc, MPS_INIT, "%s exit\n", __func__); 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; } void mps_memaddr_wait_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) { struct mps_busdma_context *ctx; int need_unload, need_free; ctx = (struct mps_busdma_context *)arg; need_unload = 0; need_free = 0; mps_lock(ctx->softc); ctx->error = error; ctx->completed = 1; if ((error == 0) && (ctx->abandoned == 0)) { *ctx->addr = segs[0].ds_addr; } else { if (nsegs != 0) need_unload = 1; if (ctx->abandoned != 0) need_free = 1; } if (need_free == 0) wakeup(ctx); mps_unlock(ctx->softc); if (need_unload != 0) { bus_dmamap_unload(ctx->buffer_dmat, ctx->buffer_dmamap); *ctx->addr = 0; } if (need_free != 0) free(ctx, M_MPSUSER); } static int mps_alloc_queues(struct mps_softc *sc) { struct mps_queue *q; u_int nq, i; nq = sc->msi_msgs; mps_dprint(sc, MPS_INIT|MPS_XINFO, "Allocating %d I/O queues\n", nq); sc->queues = malloc(sizeof(struct mps_queue) * nq, M_MPT2, M_NOWAIT|M_ZERO); if (sc->queues == NULL) return (ENOMEM); for (i = 0; i < nq; i++) { q = &sc->queues[i]; mps_dprint(sc, MPS_INIT, "Configuring queue %d %p\n", i, q); q->sc = sc; q->qnum = i; } return (0); } static int mps_alloc_hw_queues(struct mps_softc *sc) { + bus_dma_tag_template_t t; 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)) { + bus_dma_template_init(&t, sc->mps_parent_dmat); + t.alignment = 16; + t.lowaddr = BUS_SPACE_MAXADDR_32BIT; + t.maxsize = t.maxsegsize = qsize; + t.nsegments = 1; + if (bus_dma_template_tag(&t, &sc->queues_dmat)) { mps_dprint(sc, MPS_ERROR, "Cannot allocate queues DMA tag\n"); return (ENOMEM); } if (bus_dmamem_alloc(sc->queues_dmat, (void **)&queues, BUS_DMA_NOWAIT, &sc->queues_map)) { mps_dprint(sc, MPS_ERROR, "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; mps_dprint(sc, MPS_INIT, "free queue busaddr= %#016jx size= %d\n", (uintmax_t)sc->free_busaddr, fqsize); mps_dprint(sc, MPS_INIT, "reply queue busaddr= %#016jx size= %d\n", (uintmax_t)sc->post_busaddr, pqsize); return (0); } static int mps_alloc_replies(struct mps_softc *sc) { + bus_dma_tag_template_t t; int rsize, num_replies; /* Store the reply frame size in bytes rather than as 32bit words */ sc->replyframesz = sc->facts->ReplyFrameSize * 4; /* * 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->replyframesz * num_replies; - 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)) { + bus_dma_template_init(&t, sc->mps_parent_dmat); + t.alignment = 4; + t.lowaddr = BUS_SPACE_MAXADDR_32BIT; + t.maxsize = t.maxsegsize = rsize; + t.nsegments = 1; + if (bus_dma_template_tag(&t, &sc->reply_dmat)) { mps_dprint(sc, MPS_ERROR, "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)) { mps_dprint(sc, MPS_ERROR, "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); mps_dprint(sc, MPS_INIT, "reply frames busaddr= %#016jx size= %d\n", (uintmax_t)sc->reply_busaddr, rsize); return (0); } static void mps_load_chains_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) { struct mps_softc *sc = arg; struct mps_chain *chain; bus_size_t bo; int i, o, s; if (error != 0) return; for (i = 0, o = 0, s = 0; s < nsegs; s++) { for (bo = 0; bo + sc->reqframesz <= segs[s].ds_len; bo += sc->reqframesz) { chain = &sc->chains[i++]; chain->chain =(MPI2_SGE_IO_UNION *)(sc->chain_frames+o); chain->chain_busaddr = segs[s].ds_addr + bo; o += sc->reqframesz; mps_free_chain(sc, chain); } if (bo != segs[s].ds_len) o += segs[s].ds_len - bo; } sc->chain_free_lowwater = i; } static int mps_alloc_requests(struct mps_softc *sc) { + bus_dma_tag_template_t t; struct mps_command *cm; int i, rsize, nsegs; rsize = sc->reqframesz * sc->num_reqs; - 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)) { + bus_dma_template_init(&t, sc->mps_parent_dmat); + t.alignment = 16; + t.lowaddr = BUS_SPACE_MAXADDR_32BIT; + t.maxsize = t.maxsegsize = rsize; + t.nsegments = 1; + if (bus_dma_template_tag(&t, &sc->req_dmat)) { mps_dprint(sc, MPS_ERROR, "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)) { mps_dprint(sc, MPS_ERROR, "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); mps_dprint(sc, MPS_INIT, "request frames busaddr= %#016jx size= %d\n", (uintmax_t)sc->req_busaddr, rsize); sc->chains = malloc(sizeof(struct mps_chain) * sc->num_chains, M_MPT2, M_NOWAIT | M_ZERO); if (!sc->chains) { mps_dprint(sc, MPS_ERROR, "Cannot allocate chain memory\n"); return (ENOMEM); } rsize = sc->reqframesz * sc->num_chains; - 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 */ - howmany(rsize, PAGE_SIZE), /* nsegments */ - rsize, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->chain_dmat)) { + bus_dma_template_clone(&t, sc->req_dmat); + t.maxsize = t.maxsegsize = rsize; + t.nsegments = howmany(rsize, PAGE_SIZE); + if (bus_dma_template_tag(&t, &sc->chain_dmat)) { mps_dprint(sc, MPS_ERROR, "Cannot allocate chain DMA tag\n"); return (ENOMEM); } if (bus_dmamem_alloc(sc->chain_dmat, (void **)&sc->chain_frames, BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->chain_map)) { mps_dprint(sc, MPS_ERROR, "Cannot allocate chain memory\n"); return (ENOMEM); } if (bus_dmamap_load(sc->chain_dmat, sc->chain_map, sc->chain_frames, rsize, mps_load_chains_cb, sc, BUS_DMA_NOWAIT)) { mps_dprint(sc, MPS_ERROR, "Cannot load chain memory\n"); bus_dmamem_free(sc->chain_dmat, sc->chain_frames, sc->chain_map); return (ENOMEM); } 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)) { + bus_dma_template_clone(&t, sc->req_dmat); + t.maxsize = t.maxsegsize = rsize; + t.alignment = 1; + if (bus_dma_template_tag(&t, &sc->sense_dmat)) { mps_dprint(sc, MPS_ERROR, "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)) { mps_dprint(sc, MPS_ERROR, "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); mps_dprint(sc, MPS_INIT, "sense frames busaddr= %#016jx size= %d\n", (uintmax_t)sc->sense_busaddr, rsize); nsegs = (sc->maxio / 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)) { + bus_dma_template_init(&t, sc->mps_parent_dmat); + t.maxsize = BUS_SPACE_MAXSIZE_32BIT; + t.nsegments = nsegs; + t.maxsegsize = BUS_SPACE_MAXSIZE_24BIT; + t.flags = BUS_DMA_ALLOCNOW; + t.lockfunc = busdma_lock_mutex; + t.lockfuncarg = &sc->mps_mtx; + if (bus_dma_template_tag(&t, &sc->buffer_dmat)) { mps_dprint(sc, MPS_ERROR, "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); for (i = 1; i < sc->num_reqs; i++) { cm = &sc->commands[i]; cm->cm_req = sc->req_frames + i * sc->reqframesz; cm->cm_req_busaddr = sc->req_busaddr + i * sc->reqframesz; 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; cm->cm_state = MPS_CM_STATE_BUSY; 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->num_prireqs) 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->replyframesz); 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. */ void mps_get_tunables(struct mps_softc *sc) { char tmpstr[80], mps_debug[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_msix = MPS_MSIX_MAX; sc->max_chains = MPS_CHAIN_FRAMES; sc->max_io_pages = MPS_MAXIO_PAGES; sc->enable_ssu = MPS_SSU_ENABLE_SSD_DISABLE_HDD; sc->spinup_wait_time = DEFAULT_SPINUP_WAIT; sc->use_phynum = 1; sc->max_reqframes = MPS_REQ_FRAMES; sc->max_prireqframes = MPS_PRI_REQ_FRAMES; sc->max_replyframes = MPS_REPLY_FRAMES; sc->max_evtframes = MPS_EVT_REPLY_FRAMES; /* * Grab the global variables. */ bzero(mps_debug, 80); if (TUNABLE_STR_FETCH("hw.mps.debug_level", mps_debug, 80) != 0) mps_parse_debug(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_msix", &sc->max_msix); TUNABLE_INT_FETCH("hw.mps.max_chains", &sc->max_chains); TUNABLE_INT_FETCH("hw.mps.max_io_pages", &sc->max_io_pages); TUNABLE_INT_FETCH("hw.mps.enable_ssu", &sc->enable_ssu); TUNABLE_INT_FETCH("hw.mps.spinup_wait_time", &sc->spinup_wait_time); TUNABLE_INT_FETCH("hw.mps.use_phy_num", &sc->use_phynum); TUNABLE_INT_FETCH("hw.mps.max_reqframes", &sc->max_reqframes); TUNABLE_INT_FETCH("hw.mps.max_prireqframes", &sc->max_prireqframes); TUNABLE_INT_FETCH("hw.mps.max_replyframes", &sc->max_replyframes); TUNABLE_INT_FETCH("hw.mps.max_evtframes", &sc->max_evtframes); /* Grab the unit-instance variables */ snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.debug_level", device_get_unit(sc->mps_dev)); bzero(mps_debug, 80); if (TUNABLE_STR_FETCH(tmpstr, mps_debug, 80) != 0) mps_parse_debug(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_msix", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_msix); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.max_chains", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_chains); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.max_io_pages", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_io_pages); 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); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.use_phy_num", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->use_phynum); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.max_reqframes", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_reqframes); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.max_prireqframes", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_prireqframes); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.max_replyframes", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_replyframes); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.max_evtframes", device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_evtframes); } 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 | CTLFLAG_MPSAFE, 0, tmpstr); if (sc->sysctl_tree == NULL) return; sysctl_ctx = &sc->sysctl_ctx; sysctl_tree = sc->sysctl_tree; } SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "debug_level", CTLTYPE_STRING | CTLFLAG_RW |CTLFLAG_MPSAFE, sc, 0, mps_debug_sysctl, "A", "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_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "max_msix", CTLFLAG_RD, &sc->max_msix, 0, "User-defined maximum number of MSIX queues"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "msix_msgs", CTLFLAG_RD, &sc->msi_msgs, 0, "Negotiated number of MSIX queues"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "max_reqframes", CTLFLAG_RD, &sc->max_reqframes, 0, "Total number of allocated request frames"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "max_prireqframes", CTLFLAG_RD, &sc->max_prireqframes, 0, "Total number of allocated high priority request frames"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "max_replyframes", CTLFLAG_RD, &sc->max_replyframes, 0, "Total number of allocated reply frames"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "max_evtframes", CTLFLAG_RD, &sc->max_evtframes, 0, "Total number of event frames allocated"); SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "firmware_version", CTLFLAG_RD, sc->fw_version, strlen(sc->fw_version), "firmware version"); SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "driver_version", CTLFLAG_RD, MPS_DRIVER_VERSION, strlen(MPS_DRIVER_VERSION), "driver version"); SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "msg_version", CTLFLAG_RD, sc->msg_version, strlen(sc->msg_version), "message interface 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, "max_io_pages", CTLFLAG_RD, &sc->max_io_pages, 0,"maximum pages to allow per I/O (if <1 use " "IOCFacts)"); 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 | CTLFLAG_NEEDGIANT, 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 | CTLFLAG_NEEDGIANT, sc, 0, mps_mapping_encl_dump, "A", "Enclosure Table Dump"); SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "dump_reqs", CTLTYPE_OPAQUE | CTLFLAG_RD | CTLFLAG_SKIP | CTLFLAG_NEEDGIANT, sc, 0, mps_dump_reqs, "I", "Dump Active Requests"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "use_phy_num", CTLFLAG_RD, &sc->use_phynum, 0, "Use the phy number for enumeration"); } static struct mps_debug_string { char *name; int flag; } mps_debug_strings[] = { {"info", MPS_INFO}, {"fault", MPS_FAULT}, {"event", MPS_EVENT}, {"log", MPS_LOG}, {"recovery", MPS_RECOVERY}, {"error", MPS_ERROR}, {"init", MPS_INIT}, {"xinfo", MPS_XINFO}, {"user", MPS_USER}, {"mapping", MPS_MAPPING}, {"trace", MPS_TRACE} }; enum mps_debug_level_combiner { COMB_NONE, COMB_ADD, COMB_SUB }; static int mps_debug_sysctl(SYSCTL_HANDLER_ARGS) { struct mps_softc *sc; struct mps_debug_string *string; struct sbuf *sbuf; char *buffer; size_t sz; int i, len, debug, error; sc = (struct mps_softc *)arg1; error = sysctl_wire_old_buffer(req, 0); if (error != 0) return (error); sbuf = sbuf_new_for_sysctl(NULL, NULL, 128, req); debug = sc->mps_debug; sbuf_printf(sbuf, "%#x", debug); sz = sizeof(mps_debug_strings) / sizeof(mps_debug_strings[0]); for (i = 0; i < sz; i++) { string = &mps_debug_strings[i]; if (debug & string->flag) sbuf_printf(sbuf, ",%s", string->name); } error = sbuf_finish(sbuf); sbuf_delete(sbuf); if (error || req->newptr == NULL) return (error); len = req->newlen - req->newidx; if (len == 0) return (0); buffer = malloc(len, M_MPT2, M_ZERO|M_WAITOK); error = SYSCTL_IN(req, buffer, len); mps_parse_debug(sc, buffer); free(buffer, M_MPT2); return (error); } static void mps_parse_debug(struct mps_softc *sc, char *list) { struct mps_debug_string *string; enum mps_debug_level_combiner op; char *token, *endtoken; size_t sz; int flags, i; if (list == NULL || *list == '\0') return; if (*list == '+') { op = COMB_ADD; list++; } else if (*list == '-') { op = COMB_SUB; list++; } else op = COMB_NONE; if (*list == '\0') return; flags = 0; sz = sizeof(mps_debug_strings) / sizeof(mps_debug_strings[0]); while ((token = strsep(&list, ":,")) != NULL) { /* Handle integer flags */ flags |= strtol(token, &endtoken, 0); if (token != endtoken) continue; /* Handle text flags */ for (i = 0; i < sz; i++) { string = &mps_debug_strings[i]; if (strcasecmp(token, string->name) == 0) { flags |= string->flag; break; } } } switch (op) { case COMB_NONE: sc->mps_debug = flags; break; case COMB_ADD: sc->mps_debug |= flags; break; case COMB_SUB: sc->mps_debug &= (~flags); break; } return; } struct mps_dumpreq_hdr { uint32_t smid; uint32_t state; uint32_t numframes; uint32_t deschi; uint32_t desclo; }; static int mps_dump_reqs(SYSCTL_HANDLER_ARGS) { struct mps_softc *sc; struct mps_chain *chain, *chain1; struct mps_command *cm; struct mps_dumpreq_hdr hdr; struct sbuf *sb; uint32_t smid, state; int i, numreqs, error = 0; sc = (struct mps_softc *)arg1; if ((error = priv_check(curthread, PRIV_DRIVER)) != 0) { printf("priv check error %d\n", error); return (error); } state = MPS_CM_STATE_INQUEUE; smid = 1; numreqs = sc->num_reqs; if (req->newptr != NULL) return (EINVAL); if (smid == 0 || smid > sc->num_reqs) return (EINVAL); if (numreqs <= 0 || (numreqs + smid > sc->num_reqs)) numreqs = sc->num_reqs; sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); /* Best effort, no locking */ for (i = smid; i < numreqs; i++) { cm = &sc->commands[i]; if (cm->cm_state != state) continue; hdr.smid = i; hdr.state = cm->cm_state; hdr.numframes = 1; hdr.deschi = cm->cm_desc.Words.High; hdr.desclo = cm->cm_desc.Words.Low; TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain1) hdr.numframes++; sbuf_bcat(sb, &hdr, sizeof(hdr)); sbuf_bcat(sb, cm->cm_req, 128); TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain1) sbuf_bcat(sb, chain->chain, 128); } error = sbuf_finish(sb); sbuf_delete(sb); return (error); } int mps_attach(struct mps_softc *sc) { int error; MPS_FUNCTRACE(sc); mps_dprint(sc, MPS_INIT, "%s entered\n", __func__); mtx_init(&sc->mps_mtx, "MPT2SAS lock", NULL, MTX_DEF); callout_init_mtx(&sc->periodic, &sc->mps_mtx, 0); callout_init_mtx(&sc->device_check_callout, &sc->mps_mtx, 0); TAILQ_INIT(&sc->event_list); timevalclear(&sc->lastfail); if ((error = mps_transition_ready(sc)) != 0) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "failed to transition " "ready\n"); return (error); } sc->facts = malloc(sizeof(MPI2_IOC_FACTS_REPLY), M_MPT2, M_ZERO|M_NOWAIT); if(!sc->facts) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "Cannot allocate memory, " "exit\n"); 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_INIT|MPS_FAULT, "IOC Facts based allocation " "failed with error %d, exit\n", 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_INIT|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_INIT|MPS_ERROR, "shutdown event registration failed\n"); mps_setup_sysctl(sc); sc->mps_flags |= MPS_FLAGS_ATTACH_DONE; mps_dprint(sc, MPS_INIT, "%s exit error= %d\n", __func__, error); return (error); } /* Run through any late-start handlers. */ static void mps_startup(void *arg) { struct mps_softc *sc; sc = (struct mps_softc *)arg; mps_dprint(sc, MPS_INIT, "%s entered\n", __func__); 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); mps_dprint(sc, MPS_INIT, "disestablish config intrhook\n"); config_intrhook_disestablish(&sc->mps_ich); sc->mps_ich.ich_arg = NULL; mps_dprint(sc, MPS_INIT, "%s exit\n", __func__); } /* 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_DPRINT_EVENT(sc, generic, 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; mps_dprint(sc, MPS_INIT, "%s entered\n", __func__); /* 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); callout_drain(&sc->device_check_callout); if (((error = mps_detach_log(sc)) != 0) || ((error = mps_detach_sas(sc)) != 0)) { mps_dprint(sc, MPS_INIT|MPS_FAULT, "failed to detach " "subsystems, exit\n"); 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); mps_dprint(sc, MPS_INIT, "%s exit\n", __func__); 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; MPI2_DIAG_RELEASE_REPLY *rel_rep; mps_fw_diagnostic_buffer_t *pBuffer; struct mps_softc *sc; struct mps_command *cm = NULL; uint64_t tdesc; uint8_t flags; u_int pq; 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]; /* * Copy and clear out the descriptor so that any reentry will * immediately know that this descriptor has already been * looked at. There is unfortunate casting magic because the * MPI API doesn't have a cardinal 64bit type. */ tdesc = 0xffffffffffffffff; tdesc = atomic_swap_64((uint64_t *)desc, tdesc); desc = (MPI2_REPLY_DESCRIPTORS_UNION *)&tdesc; 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)]; KASSERT(cm->cm_state == MPS_CM_STATE_INQUEUE, ("command not inqueue\n")); cm->cm_state = MPS_CM_STATE_BUSY; 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->replyframesz)))) { 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->replyframesz); printf("%s: baddr %#x,\n", __func__, baddr); /* LSI-TODO. See Linux Code for Graceful 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_MASK) == 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 { /* * Ignore commands not in INQUEUE state * since they've already been completed * via another path. */ cm = &sc->commands[ le16toh(desc->AddressReply.SMID)]; if (cm->cm_state == MPS_CM_STATE_INQUEUE) { cm->cm_state = MPS_CM_STATE_BUSY; cm->cm_reply = reply; cm->cm_reply_data = le32toh( desc->AddressReply.ReplyFrameAddress); } else { mps_dprint(sc, MPS_RECOVERY, "Bad state for ADDRESS_REPLY status," " ignoring state %d cm %p\n", cm->cm_state, cm); } } 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); } } 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_DPRINT_EVENT(sc, generic, (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); 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 = NULL; 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); if (cm != NULL) reply = (MPI2_EVENT_NOTIFICATION_REPLY *)cm->cm_reply; if ((reply == NULL) || (reply->IOCStatus & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS) error = ENXIO; if (reply) MPS_DPRINT_EVENT(sc, generic, reply); mps_dprint(sc, MPS_TRACE, "%s finished error %d\n", __func__, error); if (cm != NULL) 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; u_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 = cm->cm_sc->reqframesz; /* * 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 separate 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 >= 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); } 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)); } #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 **cmp, int timeout, int sleep_flag) { int error, rc; struct timeval cur_time, start_time; struct mps_command *cm = *cmp; 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; getmicrouptime(&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); if (error == EWOULDBLOCK) { /* * Record the actual elapsed time in the case of a * timeout for the message below. */ getmicrouptime(&cur_time); timevalsub(&cur_time, &start_time); } } 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); getmicrouptime(&cur_time); timevalsub(&cur_time, &start_time); if (cur_time.tv_sec > timeout) { error = EWOULDBLOCK; break; } } } if (error == EWOULDBLOCK) { if (cm->cm_timeout_handler == NULL) { mps_dprint(sc, MPS_FAULT, "Calling Reinit from %s, timeout=%d," " elapsed=%jd\n", __func__, timeout, (intmax_t)cur_time.tv_sec); rc = mps_reinit(sc); mps_dprint(sc, MPS_FAULT, "Reinit %s\n", (rc == 0) ? "success" : "failed"); } else cm->cm_timeout_handler(sc, cm); if (sc->mps_flags & MPS_FLAGS_REALLOCATED) { /* * Tell the caller that we freed the command in a * reinit. */ *cmp = NULL; } error = ETIMEDOUT; } return (error); } /* * The MPT driver had a verbose interface for config pages. In this driver, * reduce it to much simpler 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); if (cm != NULL) 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_pci.c =================================================================== --- head/sys/dev/mps/mps_pci.c (revision 365643) +++ head/sys/dev/mps/mps_pci.c (revision 365644) @@ -1,444 +1,436 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2009 Yahoo! Inc. * 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. */ #include __FBSDID("$FreeBSD$"); /* PCI/PCI-X/PCIe bus interface for the Avago Tech (LSI) MPT2 controllers */ /* 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 static int mps_pci_probe(device_t); static int mps_pci_attach(device_t); static int mps_pci_detach(device_t); static int mps_pci_suspend(device_t); static int mps_pci_resume(device_t); static void mps_pci_free(struct mps_softc *); static int mps_alloc_msix(struct mps_softc *sc, int msgs); static int mps_alloc_msi(struct mps_softc *sc, int msgs); static int mps_pci_alloc_interrupts(struct mps_softc *sc); static device_method_t mps_methods[] = { DEVMETHOD(device_probe, mps_pci_probe), DEVMETHOD(device_attach, mps_pci_attach), DEVMETHOD(device_detach, mps_pci_detach), DEVMETHOD(device_suspend, mps_pci_suspend), DEVMETHOD(device_resume, mps_pci_resume), DEVMETHOD_END }; static driver_t mps_pci_driver = { "mps", mps_methods, sizeof(struct mps_softc) }; struct mps_ident { uint16_t vendor; uint16_t device; uint16_t subvendor; uint16_t subdevice; u_int flags; const char *desc; } mps_identifiers[] = { { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2004" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2008" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2108" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2108" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2108" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2116" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2116" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2208" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2208" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2208" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2208" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2208" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2208" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2308" }, // Add Customer specific vender/subdevice id before generic // (0xffff) vender/subdevice id. { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, 0x8086, 0x3516, 0, "Intel(R) Integrated RAID Module RMS25JB080" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, 0x8086, 0x3517, 0, "Intel(R) Integrated RAID Module RMS25JB040" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, 0x8086, 0x3518, 0, "Intel(R) Integrated RAID Module RMS25KB080" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, 0x8086, 0x3519, 0, "Intel(R) Integrated RAID Module RMS25KB040" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2308" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS2308" }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, 0xffff, 0xffff, 0, "Avago Technologies (LSI) SSS6200" }, { 0, 0, 0, 0, 0, NULL } }; static devclass_t mps_devclass; DRIVER_MODULE(mps, pci, mps_pci_driver, mps_devclass, 0, 0); MODULE_DEPEND(mps, cam, 1, 1, 1); MODULE_PNP_INFO("U16:vendor;U16:device;U16:subvendor;U16:subdevice", pci, mps, mps_identifiers, nitems(mps_identifiers) - 1); static struct mps_ident * mps_find_ident(device_t dev) { struct mps_ident *m; for (m = mps_identifiers; m->vendor != 0; m++) { if (m->vendor != pci_get_vendor(dev)) continue; if (m->device != pci_get_device(dev)) continue; if ((m->subvendor != 0xffff) && (m->subvendor != pci_get_subvendor(dev))) continue; if ((m->subdevice != 0xffff) && (m->subdevice != pci_get_subdevice(dev))) continue; return (m); } return (NULL); } static int mps_pci_probe(device_t dev) { struct mps_ident *id; if ((id = mps_find_ident(dev)) != NULL) { device_set_desc(dev, id->desc); return (BUS_PROBE_DEFAULT); } return (ENXIO); } static int mps_pci_attach(device_t dev) { + bus_dma_tag_template_t t; struct mps_softc *sc; struct mps_ident *m; int error; sc = device_get_softc(dev); bzero(sc, sizeof(*sc)); sc->mps_dev = dev; m = mps_find_ident(dev); sc->mps_flags = m->flags; mps_get_tunables(sc); /* Twiddle basic PCI config bits for a sanity check */ pci_enable_busmaster(dev); /* Allocate the System Interface Register Set */ sc->mps_regs_rid = PCIR_BAR(1); if ((sc->mps_regs_resource = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mps_regs_rid, RF_ACTIVE)) == NULL) { mps_printf(sc, "Cannot allocate PCI registers\n"); return (ENXIO); } sc->mps_btag = rman_get_bustag(sc->mps_regs_resource); sc->mps_bhandle = rman_get_bushandle(sc->mps_regs_resource); /* Allocate the parent DMA tag */ - if (bus_dma_tag_create( bus_get_dma_tag(dev), /* parent */ - 1, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ - BUS_SPACE_UNRESTRICTED, /* nsegments */ - BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->mps_parent_dmat)) { + bus_dma_template_init(&t, bus_get_dma_tag(dev)); + if (bus_dma_template_tag(&t, &sc->mps_parent_dmat)) { mps_printf(sc, "Cannot allocate parent DMA tag\n"); mps_pci_free(sc); return (ENOMEM); } if (((error = mps_pci_alloc_interrupts(sc)) != 0) || ((error = mps_attach(sc)) != 0)) mps_pci_free(sc); return (error); } /* * Allocate, but don't assign interrupts early. Doing it before requesting * the IOCFacts message informs the firmware that we want to do MSI-X * multiqueue. We might not use all of the available messages, but there's * no reason to re-alloc if we don't. */ static int mps_pci_alloc_interrupts(struct mps_softc *sc) { device_t dev; int error, msgs; dev = sc->mps_dev; error = 0; msgs = 0; if (sc->disable_msix == 0) { msgs = pci_msix_count(dev); mps_dprint(sc, MPS_INIT, "Counted %d MSI-X messages\n", msgs); msgs = min(msgs, sc->max_msix); msgs = min(msgs, MPS_MSIX_MAX); msgs = min(msgs, 1); /* XXX */ if (msgs != 0) { mps_dprint(sc, MPS_INIT, "Attempting to allocate %d " "MSI-X messages\n", msgs); error = mps_alloc_msix(sc, msgs); } } if (((error != 0) || (msgs == 0)) && (sc->disable_msi == 0)) { msgs = pci_msi_count(dev); mps_dprint(sc, MPS_INIT, "Counted %d MSI messages\n", msgs); msgs = min(msgs, MPS_MSI_MAX); if (msgs != 0) { mps_dprint(sc, MPS_INIT, "Attempting to allocate %d " "MSI messages\n", MPS_MSI_MAX); error = mps_alloc_msi(sc, MPS_MSI_MAX); } } if ((error != 0) || (msgs == 0)) { /* * If neither MSI or MSI-X are avaiable, assume legacy INTx. * This also implies that there will be only 1 queue. */ mps_dprint(sc, MPS_INIT, "Falling back to legacy INTx\n"); sc->mps_flags |= MPS_FLAGS_INTX; msgs = 1; } else sc->mps_flags |= MPS_FLAGS_MSI; sc->msi_msgs = msgs; mps_dprint(sc, MPS_INIT, "Allocated %d interrupts\n", msgs); return (error); } int mps_pci_setup_interrupts(struct mps_softc *sc) { device_t dev; struct mps_queue *q; void *ihandler; int i, error, rid, initial_rid; dev = sc->mps_dev; error = ENXIO; if (sc->mps_flags & MPS_FLAGS_INTX) { initial_rid = 0; ihandler = mps_intr; } else if (sc->mps_flags & MPS_FLAGS_MSI) { initial_rid = 1; ihandler = mps_intr_msi; } else { mps_dprint(sc, MPS_ERROR|MPS_INIT, "Unable to set up interrupts\n"); return (EINVAL); } for (i = 0; i < sc->msi_msgs; i++) { q = &sc->queues[i]; rid = i + initial_rid; q->irq_rid = rid; q->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &q->irq_rid, RF_ACTIVE); if (q->irq == NULL) { mps_dprint(sc, MPS_ERROR|MPS_INIT, "Cannot allocate interrupt RID %d\n", rid); sc->msi_msgs = i; break; } error = bus_setup_intr(dev, q->irq, INTR_TYPE_BIO | INTR_MPSAFE, NULL, ihandler, sc, &q->intrhand); if (error) { mps_dprint(sc, MPS_ERROR|MPS_INIT, "Cannot setup interrupt RID %d\n", rid); sc->msi_msgs = i; break; } } mps_dprint(sc, MPS_INIT, "Set up %d interrupts\n", sc->msi_msgs); return (error); } static int mps_pci_detach(device_t dev) { struct mps_softc *sc; int error; sc = device_get_softc(dev); if ((error = mps_free(sc)) != 0) return (error); mps_pci_free(sc); return (0); } void mps_pci_free_interrupts(struct mps_softc *sc) { struct mps_queue *q; int i; if (sc->queues == NULL) return; for (i = 0; i < sc->msi_msgs; i++) { q = &sc->queues[i]; if (q->irq != NULL) { bus_teardown_intr(sc->mps_dev, q->irq, q->intrhand); bus_release_resource(sc->mps_dev, SYS_RES_IRQ, q->irq_rid, q->irq); } } } static void mps_pci_free(struct mps_softc *sc) { if (sc->mps_parent_dmat != NULL) { bus_dma_tag_destroy(sc->mps_parent_dmat); } mps_pci_free_interrupts(sc); if (sc->mps_flags & MPS_FLAGS_MSI) pci_release_msi(sc->mps_dev); if (sc->mps_regs_resource != NULL) { bus_release_resource(sc->mps_dev, SYS_RES_MEMORY, sc->mps_regs_rid, sc->mps_regs_resource); } return; } static int mps_pci_suspend(device_t dev) { return (EINVAL); } static int mps_pci_resume(device_t dev) { return (EINVAL); } static int mps_alloc_msix(struct mps_softc *sc, int msgs) { int error; error = pci_alloc_msix(sc->mps_dev, &msgs); return (error); } static int mps_alloc_msi(struct mps_softc *sc, int msgs) { int error; error = pci_alloc_msi(sc->mps_dev, &msgs); return (error); } int mps_pci_restore(struct mps_softc *sc) { struct pci_devinfo *dinfo; mps_dprint(sc, MPS_TRACE, "%s\n", __func__); dinfo = device_get_ivars(sc->mps_dev); if (dinfo == NULL) { mps_dprint(sc, MPS_FAULT, "%s: NULL dinfo\n", __func__); return (EINVAL); } pci_cfg_restore(sc->mps_dev, dinfo); return (0); } Index: head/sys/dev/mps/mps_user.c =================================================================== --- head/sys/dev/mps/mps_user.c (revision 365643) +++ head/sys/dev/mps/mps_user.c (revision 365644) @@ -1,2512 +1,2507 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2008 Yahoo!, Inc. * All rights reserved. * Written by: John Baldwin * * 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. * 3. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * 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 userland interface */ /*- * 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("$FreeBSD$"); /* TODO Move headers to mpsvar */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static d_open_t mps_open; static d_close_t mps_close; static d_ioctl_t mps_ioctl_devsw; static struct cdevsw mps_cdevsw = { .d_version = D_VERSION, .d_flags = 0, .d_open = mps_open, .d_close = mps_close, .d_ioctl = mps_ioctl_devsw, .d_name = "mps", }; typedef int (mps_user_f)(struct mps_command *, struct mps_usr_command *); static mps_user_f mpi_pre_ioc_facts; static mps_user_f mpi_pre_port_facts; static mps_user_f mpi_pre_fw_download; static mps_user_f mpi_pre_fw_upload; static mps_user_f mpi_pre_sata_passthrough; static mps_user_f mpi_pre_smp_passthrough; static mps_user_f mpi_pre_config; static mps_user_f mpi_pre_sas_io_unit_control; static int mps_user_read_cfg_header(struct mps_softc *, struct mps_cfg_page_req *); static int mps_user_read_cfg_page(struct mps_softc *, struct mps_cfg_page_req *, void *); static int mps_user_read_extcfg_header(struct mps_softc *, struct mps_ext_cfg_page_req *); static int mps_user_read_extcfg_page(struct mps_softc *, struct mps_ext_cfg_page_req *, void *); static int mps_user_write_cfg_page(struct mps_softc *, struct mps_cfg_page_req *, void *); static int mps_user_setup_request(struct mps_command *, struct mps_usr_command *); static int mps_user_command(struct mps_softc *, struct mps_usr_command *); static int mps_user_pass_thru(struct mps_softc *sc, mps_pass_thru_t *data); static void mps_user_get_adapter_data(struct mps_softc *sc, mps_adapter_data_t *data); static void mps_user_read_pci_info(struct mps_softc *sc, mps_pci_info_t *data); static uint8_t mps_get_fw_diag_buffer_number(struct mps_softc *sc, uint32_t unique_id); static int mps_post_fw_diag_buffer(struct mps_softc *sc, mps_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code); static int mps_release_fw_diag_buffer(struct mps_softc *sc, mps_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code, uint32_t diag_type); static int mps_diag_register(struct mps_softc *sc, mps_fw_diag_register_t *diag_register, uint32_t *return_code); static int mps_diag_unregister(struct mps_softc *sc, mps_fw_diag_unregister_t *diag_unregister, uint32_t *return_code); static int mps_diag_query(struct mps_softc *sc, mps_fw_diag_query_t *diag_query, uint32_t *return_code); static int mps_diag_read_buffer(struct mps_softc *sc, mps_diag_read_buffer_t *diag_read_buffer, uint8_t *ioctl_buf, uint32_t *return_code); static int mps_diag_release(struct mps_softc *sc, mps_fw_diag_release_t *diag_release, uint32_t *return_code); static int mps_do_diag_action(struct mps_softc *sc, uint32_t action, uint8_t *diag_action, uint32_t length, uint32_t *return_code); static int mps_user_diag_action(struct mps_softc *sc, mps_diag_action_t *data); static void mps_user_event_query(struct mps_softc *sc, mps_event_query_t *data); static void mps_user_event_enable(struct mps_softc *sc, mps_event_enable_t *data); static int mps_user_event_report(struct mps_softc *sc, mps_event_report_t *data); static int mps_user_reg_access(struct mps_softc *sc, mps_reg_access_t *data); static int mps_user_btdh(struct mps_softc *sc, mps_btdh_mapping_t *data); MALLOC_DEFINE(M_MPSUSER, "mps_user", "Buffers for mps(4) ioctls"); int mps_attach_user(struct mps_softc *sc) { int unit; unit = device_get_unit(sc->mps_dev); sc->mps_cdev = make_dev(&mps_cdevsw, unit, UID_ROOT, GID_OPERATOR, 0640, "mps%d", unit); if (sc->mps_cdev == NULL) { return (ENOMEM); } sc->mps_cdev->si_drv1 = sc; return (0); } void mps_detach_user(struct mps_softc *sc) { /* XXX: do a purge of pending requests? */ if (sc->mps_cdev != NULL) destroy_dev(sc->mps_cdev); } static int mps_open(struct cdev *dev, int flags, int fmt, struct thread *td) { return (0); } static int mps_close(struct cdev *dev, int flags, int fmt, struct thread *td) { return (0); } static int mps_user_read_cfg_header(struct mps_softc *sc, struct mps_cfg_page_req *page_req) { MPI2_CONFIG_PAGE_HEADER *hdr; struct mps_config_params params; int error; hdr = ¶ms.hdr.Struct; params.action = MPI2_CONFIG_ACTION_PAGE_HEADER; params.page_address = le32toh(page_req->page_address); hdr->PageVersion = 0; hdr->PageLength = 0; hdr->PageNumber = page_req->header.PageNumber; hdr->PageType = page_req->header.PageType; params.buffer = NULL; params.length = 0; params.callback = NULL; if ((error = mps_read_config_page(sc, ¶ms)) != 0) { /* * Leave the request. Without resetting the chip, it's * still owned by it and we'll just get into trouble * freeing it now. Mark it as abandoned so that if it * shows up later it can be freed. */ mps_printf(sc, "read_cfg_header timed out\n"); return (ETIMEDOUT); } page_req->ioc_status = htole16(params.status); if ((page_req->ioc_status & MPI2_IOCSTATUS_MASK) == MPI2_IOCSTATUS_SUCCESS) { bcopy(hdr, &page_req->header, sizeof(page_req->header)); } return (0); } static int mps_user_read_cfg_page(struct mps_softc *sc, struct mps_cfg_page_req *page_req, void *buf) { MPI2_CONFIG_PAGE_HEADER *reqhdr, *hdr; struct mps_config_params params; int error; reqhdr = buf; hdr = ¶ms.hdr.Struct; hdr->PageVersion = reqhdr->PageVersion; hdr->PageLength = reqhdr->PageLength; hdr->PageNumber = reqhdr->PageNumber; hdr->PageType = reqhdr->PageType & MPI2_CONFIG_PAGETYPE_MASK; params.action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; params.page_address = le32toh(page_req->page_address); params.buffer = buf; params.length = le32toh(page_req->len); params.callback = NULL; if ((error = mps_read_config_page(sc, ¶ms)) != 0) { mps_printf(sc, "mps_user_read_cfg_page timed out\n"); return (ETIMEDOUT); } page_req->ioc_status = htole16(params.status); return (0); } static int mps_user_read_extcfg_header(struct mps_softc *sc, struct mps_ext_cfg_page_req *ext_page_req) { MPI2_CONFIG_EXTENDED_PAGE_HEADER *hdr; struct mps_config_params params; int error; hdr = ¶ms.hdr.Ext; params.action = MPI2_CONFIG_ACTION_PAGE_HEADER; hdr->PageVersion = ext_page_req->header.PageVersion; hdr->PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; hdr->ExtPageLength = 0; hdr->PageNumber = ext_page_req->header.PageNumber; hdr->ExtPageType = ext_page_req->header.ExtPageType; params.page_address = le32toh(ext_page_req->page_address); params.buffer = NULL; params.length = 0; params.callback = NULL; if ((error = mps_read_config_page(sc, ¶ms)) != 0) { /* * Leave the request. Without resetting the chip, it's * still owned by it and we'll just get into trouble * freeing it now. Mark it as abandoned so that if it * shows up later it can be freed. */ mps_printf(sc, "mps_user_read_extcfg_header timed out\n"); return (ETIMEDOUT); } ext_page_req->ioc_status = htole16(params.status); if ((ext_page_req->ioc_status & MPI2_IOCSTATUS_MASK) == MPI2_IOCSTATUS_SUCCESS) { ext_page_req->header.PageVersion = hdr->PageVersion; ext_page_req->header.PageNumber = hdr->PageNumber; ext_page_req->header.PageType = hdr->PageType; ext_page_req->header.ExtPageLength = hdr->ExtPageLength; ext_page_req->header.ExtPageType = hdr->ExtPageType; } return (0); } static int mps_user_read_extcfg_page(struct mps_softc *sc, struct mps_ext_cfg_page_req *ext_page_req, void *buf) { MPI2_CONFIG_EXTENDED_PAGE_HEADER *reqhdr, *hdr; struct mps_config_params params; int error; reqhdr = buf; hdr = ¶ms.hdr.Ext; params.action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; params.page_address = le32toh(ext_page_req->page_address); hdr->PageVersion = reqhdr->PageVersion; hdr->PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; hdr->PageNumber = reqhdr->PageNumber; hdr->ExtPageType = reqhdr->ExtPageType; hdr->ExtPageLength = reqhdr->ExtPageLength; params.buffer = buf; params.length = le32toh(ext_page_req->len); params.callback = NULL; if ((error = mps_read_config_page(sc, ¶ms)) != 0) { mps_printf(sc, "mps_user_read_extcfg_page timed out\n"); return (ETIMEDOUT); } ext_page_req->ioc_status = htole16(params.status); return (0); } static int mps_user_write_cfg_page(struct mps_softc *sc, struct mps_cfg_page_req *page_req, void *buf) { MPI2_CONFIG_PAGE_HEADER *reqhdr, *hdr; struct mps_config_params params; u_int hdr_attr; int error; reqhdr = buf; hdr = ¶ms.hdr.Struct; hdr_attr = reqhdr->PageType & MPI2_CONFIG_PAGEATTR_MASK; if (hdr_attr != MPI2_CONFIG_PAGEATTR_CHANGEABLE && hdr_attr != MPI2_CONFIG_PAGEATTR_PERSISTENT) { mps_printf(sc, "page type 0x%x not changeable\n", reqhdr->PageType & MPI2_CONFIG_PAGETYPE_MASK); return (EINVAL); } /* * There isn't any point in restoring stripped out attributes * if you then mask them going down to issue the request. */ hdr->PageVersion = reqhdr->PageVersion; hdr->PageLength = reqhdr->PageLength; hdr->PageNumber = reqhdr->PageNumber; hdr->PageType = reqhdr->PageType; params.action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT; params.page_address = le32toh(page_req->page_address); params.buffer = buf; params.length = le32toh(page_req->len); params.callback = NULL; if ((error = mps_write_config_page(sc, ¶ms)) != 0) { mps_printf(sc, "mps_write_cfg_page timed out\n"); return (ETIMEDOUT); } page_req->ioc_status = htole16(params.status); return (0); } void mpi_init_sge(struct mps_command *cm, void *req, void *sge) { int off, space; space = (int)cm->cm_sc->reqframesz; off = (uintptr_t)sge - (uintptr_t)req; KASSERT(off < space, ("bad pointers %p %p, off %d, space %d", req, sge, off, space)); cm->cm_sge = sge; cm->cm_sglsize = space - off; } /* * Prepare the mps_command for an IOC_FACTS request. */ static int mpi_pre_ioc_facts(struct mps_command *cm, struct mps_usr_command *cmd) { MPI2_IOC_FACTS_REQUEST *req = (void *)cm->cm_req; MPI2_IOC_FACTS_REPLY *rpl; if (cmd->req_len != sizeof *req) return (EINVAL); if (cmd->rpl_len != sizeof *rpl) return (EINVAL); cm->cm_sge = NULL; cm->cm_sglsize = 0; return (0); } /* * Prepare the mps_command for a PORT_FACTS request. */ static int mpi_pre_port_facts(struct mps_command *cm, struct mps_usr_command *cmd) { MPI2_PORT_FACTS_REQUEST *req = (void *)cm->cm_req; MPI2_PORT_FACTS_REPLY *rpl; if (cmd->req_len != sizeof *req) return (EINVAL); if (cmd->rpl_len != sizeof *rpl) return (EINVAL); cm->cm_sge = NULL; cm->cm_sglsize = 0; return (0); } /* * Prepare the mps_command for a FW_DOWNLOAD request. */ static int mpi_pre_fw_download(struct mps_command *cm, struct mps_usr_command *cmd) { MPI2_FW_DOWNLOAD_REQUEST *req = (void *)cm->cm_req; MPI2_FW_DOWNLOAD_REPLY *rpl; MPI2_FW_DOWNLOAD_TCSGE tc; int error; /* * This code assumes there is room in the request's SGL for * the TransactionContext plus at least a SGL chain element. */ CTASSERT(sizeof req->SGL >= sizeof tc + MPS_SGC_SIZE); if (cmd->req_len != sizeof *req) return (EINVAL); if (cmd->rpl_len != sizeof *rpl) return (EINVAL); if (cmd->len == 0) return (EINVAL); error = copyin(cmd->buf, cm->cm_data, cmd->len); if (error != 0) return (error); mpi_init_sge(cm, req, &req->SGL); bzero(&tc, sizeof tc); /* * For now, the F/W image must be provided in a single request. */ if ((req->MsgFlags & MPI2_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT) == 0) return (EINVAL); if (req->TotalImageSize != cmd->len) return (EINVAL); /* * The value of the first two elements is specified in the * Fusion-MPT Message Passing Interface document. */ tc.ContextSize = 0; tc.DetailsLength = 12; tc.ImageOffset = 0; tc.ImageSize = cmd->len; cm->cm_flags |= MPS_CM_FLAGS_DATAOUT; return (mps_push_sge(cm, &tc, sizeof tc, 0)); } /* * Prepare the mps_command for a FW_UPLOAD request. */ static int mpi_pre_fw_upload(struct mps_command *cm, struct mps_usr_command *cmd) { MPI2_FW_UPLOAD_REQUEST *req = (void *)cm->cm_req; MPI2_FW_UPLOAD_REPLY *rpl; MPI2_FW_UPLOAD_TCSGE tc; /* * This code assumes there is room in the request's SGL for * the TransactionContext plus at least a SGL chain element. */ CTASSERT(sizeof req->SGL >= sizeof tc + MPS_SGC_SIZE); if (cmd->req_len != sizeof *req) return (EINVAL); if (cmd->rpl_len != sizeof *rpl) return (EINVAL); mpi_init_sge(cm, req, &req->SGL); bzero(&tc, sizeof tc); /* * The value of the first two elements is specified in the * Fusion-MPT Message Passing Interface document. */ tc.ContextSize = 0; tc.DetailsLength = 12; /* * XXX Is there any reason to fetch a partial image? I.e. to * set ImageOffset to something other than 0? */ tc.ImageOffset = 0; tc.ImageSize = cmd->len; cm->cm_flags |= MPS_CM_FLAGS_DATAIN; return (mps_push_sge(cm, &tc, sizeof tc, 0)); } /* * Prepare the mps_command for a SATA_PASSTHROUGH request. */ static int mpi_pre_sata_passthrough(struct mps_command *cm, struct mps_usr_command *cmd) { MPI2_SATA_PASSTHROUGH_REQUEST *req = (void *)cm->cm_req; MPI2_SATA_PASSTHROUGH_REPLY *rpl; if (cmd->req_len != sizeof *req) return (EINVAL); if (cmd->rpl_len != sizeof *rpl) return (EINVAL); mpi_init_sge(cm, req, &req->SGL); return (0); } /* * Prepare the mps_command for a SMP_PASSTHROUGH request. */ static int mpi_pre_smp_passthrough(struct mps_command *cm, struct mps_usr_command *cmd) { MPI2_SMP_PASSTHROUGH_REQUEST *req = (void *)cm->cm_req; MPI2_SMP_PASSTHROUGH_REPLY *rpl; if (cmd->req_len != sizeof *req) return (EINVAL); if (cmd->rpl_len != sizeof *rpl) return (EINVAL); mpi_init_sge(cm, req, &req->SGL); return (0); } /* * Prepare the mps_command for a CONFIG request. */ static int mpi_pre_config(struct mps_command *cm, struct mps_usr_command *cmd) { MPI2_CONFIG_REQUEST *req = (void *)cm->cm_req; MPI2_CONFIG_REPLY *rpl; if (cmd->req_len != sizeof *req) return (EINVAL); if (cmd->rpl_len != sizeof *rpl) return (EINVAL); mpi_init_sge(cm, req, &req->PageBufferSGE); return (0); } /* * Prepare the mps_command for a SAS_IO_UNIT_CONTROL request. */ static int mpi_pre_sas_io_unit_control(struct mps_command *cm, struct mps_usr_command *cmd) { cm->cm_sge = NULL; cm->cm_sglsize = 0; return (0); } /* * A set of functions to prepare an mps_command for the various * supported requests. */ struct mps_user_func { U8 Function; mps_user_f *f_pre; } mps_user_func_list[] = { { MPI2_FUNCTION_IOC_FACTS, mpi_pre_ioc_facts }, { MPI2_FUNCTION_PORT_FACTS, mpi_pre_port_facts }, { MPI2_FUNCTION_FW_DOWNLOAD, mpi_pre_fw_download }, { MPI2_FUNCTION_FW_UPLOAD, mpi_pre_fw_upload }, { MPI2_FUNCTION_SATA_PASSTHROUGH, mpi_pre_sata_passthrough }, { MPI2_FUNCTION_SMP_PASSTHROUGH, mpi_pre_smp_passthrough}, { MPI2_FUNCTION_CONFIG, mpi_pre_config}, { MPI2_FUNCTION_SAS_IO_UNIT_CONTROL, mpi_pre_sas_io_unit_control }, { 0xFF, NULL } /* list end */ }; static int mps_user_setup_request(struct mps_command *cm, struct mps_usr_command *cmd) { MPI2_REQUEST_HEADER *hdr = (MPI2_REQUEST_HEADER *)cm->cm_req; struct mps_user_func *f; for (f = mps_user_func_list; f->f_pre != NULL; f++) { if (hdr->Function == f->Function) return (f->f_pre(cm, cmd)); } return (EINVAL); } static int mps_user_command(struct mps_softc *sc, struct mps_usr_command *cmd) { MPI2_REQUEST_HEADER *hdr; MPI2_DEFAULT_REPLY *rpl; void *buf = NULL; struct mps_command *cm = NULL; int err = 0; int sz; mps_lock(sc); cm = mps_alloc_command(sc); if (cm == NULL) { mps_printf(sc, "%s: no mps requests\n", __func__); err = ENOMEM; goto RetFree; } mps_unlock(sc); hdr = (MPI2_REQUEST_HEADER *)cm->cm_req; mps_dprint(sc, MPS_USER, "%s: req %p %d rpl %p %d\n", __func__, cmd->req, cmd->req_len, cmd->rpl, cmd->rpl_len); if (cmd->req_len > (int)sc->reqframesz) { err = EINVAL; goto RetFreeUnlocked; } err = copyin(cmd->req, hdr, cmd->req_len); if (err != 0) goto RetFreeUnlocked; mps_dprint(sc, MPS_USER, "%s: Function %02X MsgFlags %02X\n", __func__, hdr->Function, hdr->MsgFlags); if (cmd->len > 0) { buf = malloc(cmd->len, M_MPSUSER, M_WAITOK|M_ZERO); cm->cm_data = buf; cm->cm_length = cmd->len; } else { cm->cm_data = NULL; cm->cm_length = 0; } cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE; cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; err = mps_user_setup_request(cm, cmd); if (err == EINVAL) { mps_printf(sc, "%s: unsupported parameter or unsupported " "function in request (function = 0x%X)\n", __func__, hdr->Function); } if (err != 0) goto RetFreeUnlocked; mps_lock(sc); err = mps_wait_command(sc, &cm, 60, CAN_SLEEP); if (err || (cm == NULL)) { mps_printf(sc, "%s: invalid request: error %d\n", __func__, err); goto RetFree; } rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply; if (rpl != NULL) sz = rpl->MsgLength * 4; else sz = 0; if (sz > cmd->rpl_len) { mps_printf(sc, "%s: user reply buffer (%d) smaller than " "returned buffer (%d)\n", __func__, cmd->rpl_len, sz); sz = cmd->rpl_len; } mps_unlock(sc); copyout(rpl, cmd->rpl, sz); if (buf != NULL) copyout(buf, cmd->buf, cmd->len); mps_dprint(sc, MPS_USER, "%s: reply size %d\n", __func__, sz); RetFreeUnlocked: mps_lock(sc); RetFree: if (cm != NULL) mps_free_command(sc, cm); mps_unlock(sc); if (buf != NULL) free(buf, M_MPSUSER); return (err); } static int mps_user_pass_thru(struct mps_softc *sc, mps_pass_thru_t *data) { MPI2_REQUEST_HEADER *hdr, tmphdr; MPI2_DEFAULT_REPLY *rpl = NULL; struct mps_command *cm = NULL; int err = 0, dir = 0, sz; uint8_t function = 0; u_int sense_len; struct mpssas_target *targ = NULL; /* * Only allow one passthru command at a time. Use the MPS_FLAGS_BUSY * bit to denote that a passthru is being processed. */ mps_lock(sc); if (sc->mps_flags & MPS_FLAGS_BUSY) { mps_dprint(sc, MPS_USER, "%s: Only one passthru command " "allowed at a single time.", __func__); mps_unlock(sc); return (EBUSY); } sc->mps_flags |= MPS_FLAGS_BUSY; mps_unlock(sc); /* * Do some validation on data direction. Valid cases are: * 1) DataSize is 0 and direction is NONE * 2) DataSize is non-zero and one of: * a) direction is READ or * b) direction is WRITE or * c) direction is BOTH and DataOutSize is non-zero * If valid and the direction is BOTH, change the direction to READ. * if valid and the direction is not BOTH, make sure DataOutSize is 0. */ if (((data->DataSize == 0) && (data->DataDirection == MPS_PASS_THRU_DIRECTION_NONE)) || ((data->DataSize != 0) && ((data->DataDirection == MPS_PASS_THRU_DIRECTION_READ) || (data->DataDirection == MPS_PASS_THRU_DIRECTION_WRITE) || ((data->DataDirection == MPS_PASS_THRU_DIRECTION_BOTH) && (data->DataOutSize != 0))))) { if (data->DataDirection == MPS_PASS_THRU_DIRECTION_BOTH) data->DataDirection = MPS_PASS_THRU_DIRECTION_READ; else data->DataOutSize = 0; } else { err = EINVAL; goto RetFreeUnlocked; } mps_dprint(sc, MPS_USER, "%s: req 0x%jx %d rpl 0x%jx %d " "data in 0x%jx %d data out 0x%jx %d data dir %d\n", __func__, data->PtrRequest, data->RequestSize, data->PtrReply, data->ReplySize, data->PtrData, data->DataSize, data->PtrDataOut, data->DataOutSize, data->DataDirection); /* * copy in the header so we know what we're dealing with before we * commit to allocating a command for it. */ err = copyin(PTRIN(data->PtrRequest), &tmphdr, data->RequestSize); if (err != 0) goto RetFreeUnlocked; if (data->RequestSize > (int)sc->reqframesz) { err = EINVAL; goto RetFreeUnlocked; } function = tmphdr.Function; mps_dprint(sc, MPS_USER, "%s: Function %02X MsgFlags %02X\n", __func__, function, tmphdr.MsgFlags); /* * Handle a passthru TM request. */ if (function == MPI2_FUNCTION_SCSI_TASK_MGMT) { MPI2_SCSI_TASK_MANAGE_REQUEST *task; mps_lock(sc); cm = mpssas_alloc_tm(sc); if (cm == NULL) { err = EINVAL; goto Ret; } /* Copy the header in. Only a small fixup is needed. */ task = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req; bcopy(&tmphdr, task, data->RequestSize); task->TaskMID = cm->cm_desc.Default.SMID; cm->cm_data = NULL; cm->cm_complete = NULL; cm->cm_complete_data = NULL; targ = mpssas_find_target_by_handle(sc->sassc, 0, task->DevHandle); if (targ == NULL) { mps_dprint(sc, MPS_INFO, "%s %d : invalid handle for requested TM 0x%x \n", __func__, __LINE__, task->DevHandle); err = 1; } else { mpssas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD); err = mps_wait_command(sc, &cm, 30, CAN_SLEEP); } if (err != 0) { err = EIO; mps_dprint(sc, MPS_FAULT, "%s: task management failed", __func__); } /* * Copy the reply data and sense data to user space. */ if ((cm != NULL) && (cm->cm_reply != NULL)) { rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply; sz = rpl->MsgLength * 4; if (sz > data->ReplySize) { mps_printf(sc, "%s: user reply buffer (%d) " "smaller than returned buffer (%d)\n", __func__, data->ReplySize, sz); } mps_unlock(sc); copyout(cm->cm_reply, PTRIN(data->PtrReply), data->ReplySize); mps_lock(sc); } mpssas_free_tm(sc, cm); goto Ret; } mps_lock(sc); cm = mps_alloc_command(sc); if (cm == NULL) { mps_printf(sc, "%s: no mps requests\n", __func__); err = ENOMEM; goto Ret; } mps_unlock(sc); hdr = (MPI2_REQUEST_HEADER *)cm->cm_req; bcopy(&tmphdr, hdr, data->RequestSize); /* * Do some checking to make sure the IOCTL request contains a valid * request. Then set the SGL info. */ mpi_init_sge(cm, hdr, (void *)((uint8_t *)hdr + data->RequestSize)); /* * Set up for read, write or both. From check above, DataOutSize will * be 0 if direction is READ or WRITE, but it will have some non-zero * value if the direction is BOTH. So, just use the biggest size to get * the cm_data buffer size. If direction is BOTH, 2 SGLs need to be set * up; the first is for the request and the second will contain the * response data. cm_out_len needs to be set here and this will be used * when the SGLs are set up. */ cm->cm_data = NULL; cm->cm_length = MAX(data->DataSize, data->DataOutSize); cm->cm_out_len = data->DataOutSize; cm->cm_flags = 0; if (cm->cm_length != 0) { cm->cm_data = malloc(cm->cm_length, M_MPSUSER, M_WAITOK | M_ZERO); cm->cm_flags = MPS_CM_FLAGS_DATAIN; if (data->DataOutSize) { cm->cm_flags |= MPS_CM_FLAGS_DATAOUT; err = copyin(PTRIN(data->PtrDataOut), cm->cm_data, data->DataOutSize); } else if (data->DataDirection == MPS_PASS_THRU_DIRECTION_WRITE) { cm->cm_flags = MPS_CM_FLAGS_DATAOUT; err = copyin(PTRIN(data->PtrData), cm->cm_data, data->DataSize); } if (err != 0) mps_dprint(sc, MPS_FAULT, "%s: failed to copy " "IOCTL data from user space\n", __func__); } cm->cm_flags |= MPS_CM_FLAGS_SGE_SIMPLE; cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; /* * Set up Sense buffer and SGL offset for IO passthru. SCSI IO request * uses SCSI IO descriptor. */ if ((function == MPI2_FUNCTION_SCSI_IO_REQUEST) || (function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { MPI2_SCSI_IO_REQUEST *scsi_io_req; scsi_io_req = (MPI2_SCSI_IO_REQUEST *)hdr; /* * Put SGE for data and data_out buffer at the end of * scsi_io_request message header (64 bytes in total). * Following above SGEs, the residual space will be used by * sense data. */ scsi_io_req->SenseBufferLength = (uint8_t)(data->RequestSize - 64); scsi_io_req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr); /* * Set SGLOffset0 value. This is the number of dwords that SGL * is offset from the beginning of MPI2_SCSI_IO_REQUEST struct. */ scsi_io_req->SGLOffset0 = 24; /* * Setup descriptor info. RAID passthrough must use the * default request descriptor which is already set, so if this * is a SCSI IO request, change the descriptor to SCSI IO. * Also, if this is a SCSI IO request, handle the reply in the * mpssas_scsio_complete function. */ if (function == MPI2_FUNCTION_SCSI_IO_REQUEST) { cm->cm_desc.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; cm->cm_desc.SCSIIO.DevHandle = scsi_io_req->DevHandle; /* * Make sure the DevHandle is not 0 because this is a * likely error. */ if (scsi_io_req->DevHandle == 0) { err = EINVAL; goto RetFreeUnlocked; } } } mps_lock(sc); err = mps_wait_command(sc, &cm, 30, CAN_SLEEP); if (err || (cm == NULL)) { mps_printf(sc, "%s: invalid request: error %d\n", __func__, err); mps_unlock(sc); goto RetFreeUnlocked; } /* * Sync the DMA data, if any. Then copy the data to user space. */ if (cm->cm_data != NULL) { if (cm->cm_flags & MPS_CM_FLAGS_DATAIN) dir = BUS_DMASYNC_POSTREAD; else if (cm->cm_flags & MPS_CM_FLAGS_DATAOUT) dir = BUS_DMASYNC_POSTWRITE; bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir); bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap); if (cm->cm_flags & MPS_CM_FLAGS_DATAIN) { mps_unlock(sc); err = copyout(cm->cm_data, PTRIN(data->PtrData), data->DataSize); mps_lock(sc); if (err != 0) mps_dprint(sc, MPS_FAULT, "%s: failed to copy " "IOCTL data to user space\n", __func__); } } /* * Copy the reply data and sense data to user space. */ if (cm->cm_reply != NULL) { rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply; sz = rpl->MsgLength * 4; if (sz > data->ReplySize) { mps_printf(sc, "%s: user reply buffer (%d) smaller " "than returned buffer (%d)\n", __func__, data->ReplySize, sz); } mps_unlock(sc); copyout(cm->cm_reply, PTRIN(data->PtrReply), data->ReplySize); mps_lock(sc); if ((function == MPI2_FUNCTION_SCSI_IO_REQUEST) || (function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { if (((MPI2_SCSI_IO_REPLY *)rpl)->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) { sense_len = MIN((le32toh(((MPI2_SCSI_IO_REPLY *)rpl)-> SenseCount)), sizeof(struct scsi_sense_data)); mps_unlock(sc); copyout(cm->cm_sense, (PTRIN(data->PtrReply + sizeof(MPI2_SCSI_IO_REPLY))), sense_len); mps_lock(sc); } } } mps_unlock(sc); RetFreeUnlocked: mps_lock(sc); if (cm != NULL) { if (cm->cm_data) free(cm->cm_data, M_MPSUSER); mps_free_command(sc, cm); } Ret: sc->mps_flags &= ~MPS_FLAGS_BUSY; mps_unlock(sc); return (err); } static void mps_user_get_adapter_data(struct mps_softc *sc, mps_adapter_data_t *data) { Mpi2ConfigReply_t mpi_reply; Mpi2BiosPage3_t config_page; /* * Use the PCI interface functions to get the Bus, Device, and Function * information. */ data->PciInformation.u.bits.BusNumber = pci_get_bus(sc->mps_dev); data->PciInformation.u.bits.DeviceNumber = pci_get_slot(sc->mps_dev); data->PciInformation.u.bits.FunctionNumber = pci_get_function(sc->mps_dev); /* * Get the FW version that should already be saved in IOC Facts. */ data->MpiFirmwareVersion = sc->facts->FWVersion.Word; /* * General device info. */ data->AdapterType = MPSIOCTL_ADAPTER_TYPE_SAS2; if (sc->mps_flags & MPS_FLAGS_WD_AVAILABLE) data->AdapterType = MPSIOCTL_ADAPTER_TYPE_SAS2_SSS6200; data->PCIDeviceHwId = pci_get_device(sc->mps_dev); data->PCIDeviceHwRev = pci_read_config(sc->mps_dev, PCIR_REVID, 1); data->SubSystemId = pci_get_subdevice(sc->mps_dev); data->SubsystemVendorId = pci_get_subvendor(sc->mps_dev); /* * Get the driver version. */ strcpy((char *)&data->DriverVersion[0], MPS_DRIVER_VERSION); /* * Need to get BIOS Config Page 3 for the BIOS Version. */ data->BiosVersion = 0; mps_lock(sc); if (mps_config_get_bios_pg3(sc, &mpi_reply, &config_page)) printf("%s: Error while retrieving BIOS Version\n", __func__); else data->BiosVersion = config_page.BiosVersion; mps_unlock(sc); } static void mps_user_read_pci_info(struct mps_softc *sc, mps_pci_info_t *data) { int i; /* * Use the PCI interface functions to get the Bus, Device, and Function * information. */ data->BusNumber = pci_get_bus(sc->mps_dev); data->DeviceNumber = pci_get_slot(sc->mps_dev); data->FunctionNumber = pci_get_function(sc->mps_dev); /* * Now get the interrupt vector and the pci header. The vector can * only be 0 right now. The header is the first 256 bytes of config * space. */ data->InterruptVector = 0; for (i = 0; i < sizeof (data->PciHeader); i++) { data->PciHeader[i] = pci_read_config(sc->mps_dev, i, 1); } } static uint8_t mps_get_fw_diag_buffer_number(struct mps_softc *sc, uint32_t unique_id) { uint8_t index; for (index = 0; index < MPI2_DIAG_BUF_TYPE_COUNT; index++) { if (sc->fw_diag_buffer_list[index].unique_id == unique_id) { return (index); } } return (MPS_FW_DIAGNOSTIC_UID_NOT_FOUND); } static int mps_post_fw_diag_buffer(struct mps_softc *sc, mps_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code) { MPI2_DIAG_BUFFER_POST_REQUEST *req; MPI2_DIAG_BUFFER_POST_REPLY *reply = NULL; struct mps_command *cm = NULL; int i, status; /* * If buffer is not enabled, just leave. */ *return_code = MPS_FW_DIAG_ERROR_POST_FAILED; if (!pBuffer->enabled) { return (MPS_DIAG_FAILURE); } /* * Clear some flags initially. */ pBuffer->force_release = FALSE; pBuffer->valid_data = FALSE; pBuffer->owned_by_firmware = FALSE; /* * Get a command. */ cm = mps_alloc_command(sc); if (cm == NULL) { mps_printf(sc, "%s: no mps requests\n", __func__); return (MPS_DIAG_FAILURE); } /* * Build the request for releasing the FW Diag Buffer and send it. */ req = (MPI2_DIAG_BUFFER_POST_REQUEST *)cm->cm_req; req->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; req->BufferType = pBuffer->buffer_type; req->ExtendedType = pBuffer->extended_type; req->BufferLength = pBuffer->size; for (i = 0; i < (sizeof(req->ProductSpecific) / 4); i++) req->ProductSpecific[i] = pBuffer->product_specific[i]; mps_from_u64(sc->fw_diag_busaddr, &req->BufferAddress); cm->cm_data = NULL; cm->cm_length = 0; cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; cm->cm_complete_data = NULL; /* * Send command synchronously. */ status = mps_wait_command(sc, &cm, 30, CAN_SLEEP); if (status || (cm == NULL)) { mps_printf(sc, "%s: invalid request: error %d\n", __func__, status); status = MPS_DIAG_FAILURE; goto done; } /* * Process POST reply. */ reply = (MPI2_DIAG_BUFFER_POST_REPLY *)cm->cm_reply; if (reply == NULL) { mps_printf(sc, "%s: reply is NULL, probably due to " "reinitialization\n", __func__); status = MPS_DIAG_FAILURE; goto done; } if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS) { status = MPS_DIAG_FAILURE; mps_dprint(sc, MPS_FAULT, "%s: post of FW Diag Buffer failed " "with IOCStatus = 0x%x, IOCLogInfo = 0x%x and " "TransferLength = 0x%x\n", __func__, le16toh(reply->IOCStatus), le32toh(reply->IOCLogInfo), le32toh(reply->TransferLength)); goto done; } /* * Post was successful. */ pBuffer->valid_data = TRUE; pBuffer->owned_by_firmware = TRUE; *return_code = MPS_FW_DIAG_ERROR_SUCCESS; status = MPS_DIAG_SUCCESS; done: if (cm != NULL) mps_free_command(sc, cm); return (status); } static int mps_release_fw_diag_buffer(struct mps_softc *sc, mps_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code, uint32_t diag_type) { MPI2_DIAG_RELEASE_REQUEST *req; MPI2_DIAG_RELEASE_REPLY *reply = NULL; struct mps_command *cm = NULL; int status; /* * If buffer is not enabled, just leave. */ *return_code = MPS_FW_DIAG_ERROR_RELEASE_FAILED; if (!pBuffer->enabled) { mps_dprint(sc, MPS_USER, "%s: This buffer type is not " "supported by the IOC", __func__); return (MPS_DIAG_FAILURE); } /* * Clear some flags initially. */ pBuffer->force_release = FALSE; pBuffer->valid_data = FALSE; pBuffer->owned_by_firmware = FALSE; /* * Get a command. */ cm = mps_alloc_command(sc); if (cm == NULL) { mps_printf(sc, "%s: no mps requests\n", __func__); return (MPS_DIAG_FAILURE); } /* * Build the request for releasing the FW Diag Buffer and send it. */ req = (MPI2_DIAG_RELEASE_REQUEST *)cm->cm_req; req->Function = MPI2_FUNCTION_DIAG_RELEASE; req->BufferType = pBuffer->buffer_type; cm->cm_data = NULL; cm->cm_length = 0; cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; cm->cm_complete_data = NULL; /* * Send command synchronously. */ status = mps_wait_command(sc, &cm, 30, CAN_SLEEP); if (status || (cm == NULL)) { mps_printf(sc, "%s: invalid request: error %d\n", __func__, status); status = MPS_DIAG_FAILURE; goto done; } /* * Process RELEASE reply. */ reply = (MPI2_DIAG_RELEASE_REPLY *)cm->cm_reply; if (reply == NULL) { mps_printf(sc, "%s: reply is NULL, probably due to " "reinitialization\n", __func__); status = MPS_DIAG_FAILURE; goto done; } if (((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS) || pBuffer->owned_by_firmware) { status = MPS_DIAG_FAILURE; mps_dprint(sc, MPS_FAULT, "%s: release of FW Diag Buffer " "failed with IOCStatus = 0x%x and IOCLogInfo = 0x%x\n", __func__, le16toh(reply->IOCStatus), le32toh(reply->IOCLogInfo)); goto done; } /* * Release was successful. */ *return_code = MPS_FW_DIAG_ERROR_SUCCESS; status = MPS_DIAG_SUCCESS; /* * If this was for an UNREGISTER diag type command, clear the unique ID. */ if (diag_type == MPS_FW_DIAG_TYPE_UNREGISTER) { pBuffer->unique_id = MPS_FW_DIAG_INVALID_UID; } done: if (cm != NULL) mps_free_command(sc, cm); return (status); } static int mps_diag_register(struct mps_softc *sc, mps_fw_diag_register_t *diag_register, uint32_t *return_code) { + bus_dma_tag_template_t t; mps_fw_diagnostic_buffer_t *pBuffer; struct mps_busdma_context *ctx; uint8_t extended_type, buffer_type, i; uint32_t buffer_size; uint32_t unique_id; int status; int error; extended_type = diag_register->ExtendedType; buffer_type = diag_register->BufferType; buffer_size = diag_register->RequestedBufferSize; unique_id = diag_register->UniqueId; ctx = NULL; error = 0; /* * Check for valid buffer type */ if (buffer_type >= MPI2_DIAG_BUF_TYPE_COUNT) { *return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER; return (MPS_DIAG_FAILURE); } /* * Get the current buffer and look up the unique ID. The unique ID * should not be found. If it is, the ID is already in use. */ i = mps_get_fw_diag_buffer_number(sc, unique_id); pBuffer = &sc->fw_diag_buffer_list[buffer_type]; if (i != MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) { *return_code = MPS_FW_DIAG_ERROR_INVALID_UID; return (MPS_DIAG_FAILURE); } /* * The buffer's unique ID should not be registered yet, and the given * unique ID cannot be 0. */ if ((pBuffer->unique_id != MPS_FW_DIAG_INVALID_UID) || (unique_id == MPS_FW_DIAG_INVALID_UID)) { *return_code = MPS_FW_DIAG_ERROR_INVALID_UID; return (MPS_DIAG_FAILURE); } /* * If this buffer is already posted as immediate, just change owner. */ if (pBuffer->immediate && pBuffer->owned_by_firmware && (pBuffer->unique_id == MPS_FW_DIAG_INVALID_UID)) { pBuffer->immediate = FALSE; pBuffer->unique_id = unique_id; return (MPS_DIAG_SUCCESS); } /* * Post a new buffer after checking if it's enabled. The DMA buffer * that is allocated will be contiguous (nsegments = 1). */ if (!pBuffer->enabled) { *return_code = MPS_FW_DIAG_ERROR_NO_BUFFER; return (MPS_DIAG_FAILURE); } - 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 */ - buffer_size, /* maxsize */ - 1, /* nsegments */ - buffer_size, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->fw_diag_dmat)) { + bus_dma_template_init(&t, sc->mps_parent_dmat); + t.lowaddr = BUS_SPACE_MAXADDR_32BIT; + t.maxsize = t.maxsegsize = buffer_size; + t.nsegments = 1; + if (bus_dma_template_tag(&t, &sc->fw_diag_dmat)) { mps_dprint(sc, MPS_ERROR, "Cannot allocate FW diag buffer DMA tag\n"); *return_code = MPS_FW_DIAG_ERROR_NO_BUFFER; status = MPS_DIAG_FAILURE; goto bailout; } if (bus_dmamem_alloc(sc->fw_diag_dmat, (void **)&sc->fw_diag_buffer, BUS_DMA_NOWAIT, &sc->fw_diag_map)) { mps_dprint(sc, MPS_ERROR, "Cannot allocate FW diag buffer memory\n"); *return_code = MPS_FW_DIAG_ERROR_NO_BUFFER; status = MPS_DIAG_FAILURE; goto bailout; } bzero(sc->fw_diag_buffer, buffer_size); ctx = malloc(sizeof(*ctx), M_MPSUSER, M_WAITOK | M_ZERO); ctx->addr = &sc->fw_diag_busaddr; ctx->buffer_dmat = sc->fw_diag_dmat; ctx->buffer_dmamap = sc->fw_diag_map; ctx->softc = sc; error = bus_dmamap_load(sc->fw_diag_dmat, sc->fw_diag_map, sc->fw_diag_buffer, buffer_size, mps_memaddr_wait_cb, ctx, 0); if (error == EINPROGRESS) { /* XXX KDM */ device_printf(sc->mps_dev, "%s: Deferred bus_dmamap_load\n", __func__); /* * Wait for the load to complete. If we're interrupted, * bail out. */ mps_lock(sc); if (ctx->completed == 0) { error = msleep(ctx, &sc->mps_mtx, PCATCH, "mpswait", 0); if (error != 0) { /* * We got an error from msleep(9). This is * most likely due to a signal. Tell * mpr_memaddr_wait_cb() that we've abandoned * the context, so it needs to clean up when * it is called. */ ctx->abandoned = 1; /* The callback will free this memory */ ctx = NULL; mps_unlock(sc); device_printf(sc->mps_dev, "Cannot " "bus_dmamap_load FW diag buffer, error = " "%d returned from msleep\n", error); *return_code = MPS_FW_DIAG_ERROR_NO_BUFFER; status = MPS_DIAG_FAILURE; goto bailout; } } mps_unlock(sc); } if ((error != 0) || (ctx->error != 0)) { device_printf(sc->mps_dev, "Cannot bus_dmamap_load FW diag " "buffer, %serror = %d\n", error ? "" : "callback ", error ? error : ctx->error); *return_code = MPS_FW_DIAG_ERROR_NO_BUFFER; status = MPS_DIAG_FAILURE; goto bailout; } bus_dmamap_sync(sc->fw_diag_dmat, sc->fw_diag_map, BUS_DMASYNC_PREREAD); pBuffer->size = buffer_size; /* * Copy the given info to the diag buffer and post the buffer. */ pBuffer->buffer_type = buffer_type; pBuffer->immediate = FALSE; if (buffer_type == MPI2_DIAG_BUF_TYPE_TRACE) { for (i = 0; i < (sizeof (pBuffer->product_specific) / 4); i++) { pBuffer->product_specific[i] = diag_register->ProductSpecific[i]; } } pBuffer->extended_type = extended_type; pBuffer->unique_id = unique_id; status = mps_post_fw_diag_buffer(sc, pBuffer, return_code); bailout: /* * In case there was a failure, free the DMA buffer. */ if (status == MPS_DIAG_FAILURE) { if (sc->fw_diag_busaddr != 0) { bus_dmamap_unload(sc->fw_diag_dmat, sc->fw_diag_map); sc->fw_diag_busaddr = 0; } if (sc->fw_diag_buffer != NULL) { bus_dmamem_free(sc->fw_diag_dmat, sc->fw_diag_buffer, sc->fw_diag_map); sc->fw_diag_buffer = NULL; } if (sc->fw_diag_dmat != NULL) { bus_dma_tag_destroy(sc->fw_diag_dmat); sc->fw_diag_dmat = NULL; } } if (ctx != NULL) free(ctx, M_MPSUSER); return (status); } static int mps_diag_unregister(struct mps_softc *sc, mps_fw_diag_unregister_t *diag_unregister, uint32_t *return_code) { mps_fw_diagnostic_buffer_t *pBuffer; uint8_t i; uint32_t unique_id; int status; unique_id = diag_unregister->UniqueId; /* * Get the current buffer and look up the unique ID. The unique ID * should be there. */ i = mps_get_fw_diag_buffer_number(sc, unique_id); if (i == MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) { *return_code = MPS_FW_DIAG_ERROR_INVALID_UID; return (MPS_DIAG_FAILURE); } pBuffer = &sc->fw_diag_buffer_list[i]; /* * Try to release the buffer from FW before freeing it. If release * fails, don't free the DMA buffer in case FW tries to access it * later. If buffer is not owned by firmware, can't release it. */ if (!pBuffer->owned_by_firmware) { status = MPS_DIAG_SUCCESS; } else { status = mps_release_fw_diag_buffer(sc, pBuffer, return_code, MPS_FW_DIAG_TYPE_UNREGISTER); } /* * At this point, return the current status no matter what happens with * the DMA buffer. */ pBuffer->unique_id = MPS_FW_DIAG_INVALID_UID; if (status == MPS_DIAG_SUCCESS) { if (sc->fw_diag_busaddr != 0) { bus_dmamap_unload(sc->fw_diag_dmat, sc->fw_diag_map); sc->fw_diag_busaddr = 0; } if (sc->fw_diag_buffer != NULL) { bus_dmamem_free(sc->fw_diag_dmat, sc->fw_diag_buffer, sc->fw_diag_map); sc->fw_diag_buffer = NULL; } if (sc->fw_diag_dmat != NULL) { bus_dma_tag_destroy(sc->fw_diag_dmat); sc->fw_diag_dmat = NULL; } } return (status); } static int mps_diag_query(struct mps_softc *sc, mps_fw_diag_query_t *diag_query, uint32_t *return_code) { mps_fw_diagnostic_buffer_t *pBuffer; uint8_t i; uint32_t unique_id; unique_id = diag_query->UniqueId; /* * If ID is valid, query on ID. * If ID is invalid, query on buffer type. */ if (unique_id == MPS_FW_DIAG_INVALID_UID) { i = diag_query->BufferType; if (i >= MPI2_DIAG_BUF_TYPE_COUNT) { *return_code = MPS_FW_DIAG_ERROR_INVALID_UID; return (MPS_DIAG_FAILURE); } } else { i = mps_get_fw_diag_buffer_number(sc, unique_id); if (i == MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) { *return_code = MPS_FW_DIAG_ERROR_INVALID_UID; return (MPS_DIAG_FAILURE); } } /* * Fill query structure with the diag buffer info. */ pBuffer = &sc->fw_diag_buffer_list[i]; diag_query->BufferType = pBuffer->buffer_type; diag_query->ExtendedType = pBuffer->extended_type; if (diag_query->BufferType == MPI2_DIAG_BUF_TYPE_TRACE) { for (i = 0; i < (sizeof(diag_query->ProductSpecific) / 4); i++) { diag_query->ProductSpecific[i] = pBuffer->product_specific[i]; } } diag_query->TotalBufferSize = pBuffer->size; diag_query->DriverAddedBufferSize = 0; diag_query->UniqueId = pBuffer->unique_id; diag_query->ApplicationFlags = 0; diag_query->DiagnosticFlags = 0; /* * Set/Clear application flags */ if (pBuffer->immediate) { diag_query->ApplicationFlags &= ~MPS_FW_DIAG_FLAG_APP_OWNED; } else { diag_query->ApplicationFlags |= MPS_FW_DIAG_FLAG_APP_OWNED; } if (pBuffer->valid_data || pBuffer->owned_by_firmware) { diag_query->ApplicationFlags |= MPS_FW_DIAG_FLAG_BUFFER_VALID; } else { diag_query->ApplicationFlags &= ~MPS_FW_DIAG_FLAG_BUFFER_VALID; } if (pBuffer->owned_by_firmware) { diag_query->ApplicationFlags |= MPS_FW_DIAG_FLAG_FW_BUFFER_ACCESS; } else { diag_query->ApplicationFlags &= ~MPS_FW_DIAG_FLAG_FW_BUFFER_ACCESS; } return (MPS_DIAG_SUCCESS); } static int mps_diag_read_buffer(struct mps_softc *sc, mps_diag_read_buffer_t *diag_read_buffer, uint8_t *ioctl_buf, uint32_t *return_code) { mps_fw_diagnostic_buffer_t *pBuffer; uint8_t i, *pData; uint32_t unique_id; int status; unique_id = diag_read_buffer->UniqueId; /* * Get the current buffer and look up the unique ID. The unique ID * should be there. */ i = mps_get_fw_diag_buffer_number(sc, unique_id); if (i == MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) { *return_code = MPS_FW_DIAG_ERROR_INVALID_UID; return (MPS_DIAG_FAILURE); } pBuffer = &sc->fw_diag_buffer_list[i]; /* * Make sure requested read is within limits */ if (diag_read_buffer->StartingOffset + diag_read_buffer->BytesToRead > pBuffer->size) { *return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER; return (MPS_DIAG_FAILURE); } /* Sync the DMA map before we copy to userland. */ bus_dmamap_sync(sc->fw_diag_dmat, sc->fw_diag_map, BUS_DMASYNC_POSTREAD); /* * Copy the requested data from DMA to the diag_read_buffer. The DMA * buffer that was allocated is one contiguous buffer. */ pData = (uint8_t *)(sc->fw_diag_buffer + diag_read_buffer->StartingOffset); if (copyout(pData, ioctl_buf, diag_read_buffer->BytesToRead) != 0) return (MPS_DIAG_FAILURE); diag_read_buffer->Status = 0; /* * Set or clear the Force Release flag. */ if (pBuffer->force_release) { diag_read_buffer->Flags |= MPS_FW_DIAG_FLAG_FORCE_RELEASE; } else { diag_read_buffer->Flags &= ~MPS_FW_DIAG_FLAG_FORCE_RELEASE; } /* * If buffer is to be reregistered, make sure it's not already owned by * firmware first. */ status = MPS_DIAG_SUCCESS; if (!pBuffer->owned_by_firmware) { if (diag_read_buffer->Flags & MPS_FW_DIAG_FLAG_REREGISTER) { status = mps_post_fw_diag_buffer(sc, pBuffer, return_code); } } return (status); } static int mps_diag_release(struct mps_softc *sc, mps_fw_diag_release_t *diag_release, uint32_t *return_code) { mps_fw_diagnostic_buffer_t *pBuffer; uint8_t i; uint32_t unique_id; int status; unique_id = diag_release->UniqueId; /* * Get the current buffer and look up the unique ID. The unique ID * should be there. */ i = mps_get_fw_diag_buffer_number(sc, unique_id); if (i == MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) { *return_code = MPS_FW_DIAG_ERROR_INVALID_UID; return (MPS_DIAG_FAILURE); } pBuffer = &sc->fw_diag_buffer_list[i]; /* * If buffer is not owned by firmware, it's already been released. */ if (!pBuffer->owned_by_firmware) { *return_code = MPS_FW_DIAG_ERROR_ALREADY_RELEASED; return (MPS_DIAG_FAILURE); } /* * Release the buffer. */ status = mps_release_fw_diag_buffer(sc, pBuffer, return_code, MPS_FW_DIAG_TYPE_RELEASE); return (status); } static int mps_do_diag_action(struct mps_softc *sc, uint32_t action, uint8_t *diag_action, uint32_t length, uint32_t *return_code) { mps_fw_diag_register_t diag_register; mps_fw_diag_unregister_t diag_unregister; mps_fw_diag_query_t diag_query; mps_diag_read_buffer_t diag_read_buffer; mps_fw_diag_release_t diag_release; int status = MPS_DIAG_SUCCESS; uint32_t original_return_code; original_return_code = *return_code; *return_code = MPS_FW_DIAG_ERROR_SUCCESS; switch (action) { case MPS_FW_DIAG_TYPE_REGISTER: if (!length) { *return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER; status = MPS_DIAG_FAILURE; break; } if (copyin(diag_action, &diag_register, sizeof(diag_register)) != 0) return (MPS_DIAG_FAILURE); status = mps_diag_register(sc, &diag_register, return_code); break; case MPS_FW_DIAG_TYPE_UNREGISTER: if (length < sizeof(diag_unregister)) { *return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER; status = MPS_DIAG_FAILURE; break; } if (copyin(diag_action, &diag_unregister, sizeof(diag_unregister)) != 0) return (MPS_DIAG_FAILURE); status = mps_diag_unregister(sc, &diag_unregister, return_code); break; case MPS_FW_DIAG_TYPE_QUERY: if (length < sizeof (diag_query)) { *return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER; status = MPS_DIAG_FAILURE; break; } if (copyin(diag_action, &diag_query, sizeof(diag_query)) != 0) return (MPS_DIAG_FAILURE); status = mps_diag_query(sc, &diag_query, return_code); if (status == MPS_DIAG_SUCCESS) if (copyout(&diag_query, diag_action, sizeof (diag_query)) != 0) return (MPS_DIAG_FAILURE); break; case MPS_FW_DIAG_TYPE_READ_BUFFER: if (copyin(diag_action, &diag_read_buffer, sizeof(diag_read_buffer)) != 0) return (MPS_DIAG_FAILURE); if (length < diag_read_buffer.BytesToRead) { *return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER; status = MPS_DIAG_FAILURE; break; } status = mps_diag_read_buffer(sc, &diag_read_buffer, PTRIN(diag_read_buffer.PtrDataBuffer), return_code); if (status == MPS_DIAG_SUCCESS) { if (copyout(&diag_read_buffer, diag_action, sizeof(diag_read_buffer) - sizeof(diag_read_buffer.PtrDataBuffer)) != 0) return (MPS_DIAG_FAILURE); } break; case MPS_FW_DIAG_TYPE_RELEASE: if (length < sizeof(diag_release)) { *return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER; status = MPS_DIAG_FAILURE; break; } if (copyin(diag_action, &diag_release, sizeof(diag_release)) != 0) return (MPS_DIAG_FAILURE); status = mps_diag_release(sc, &diag_release, return_code); break; default: *return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER; status = MPS_DIAG_FAILURE; break; } if ((status == MPS_DIAG_FAILURE) && (original_return_code == MPS_FW_DIAG_NEW) && (*return_code != MPS_FW_DIAG_ERROR_SUCCESS)) status = MPS_DIAG_SUCCESS; return (status); } static int mps_user_diag_action(struct mps_softc *sc, mps_diag_action_t *data) { int status; /* * Only allow one diag action at one time. */ if (sc->mps_flags & MPS_FLAGS_BUSY) { mps_dprint(sc, MPS_USER, "%s: Only one FW diag command " "allowed at a single time.", __func__); return (EBUSY); } sc->mps_flags |= MPS_FLAGS_BUSY; /* * Send diag action request */ if (data->Action == MPS_FW_DIAG_TYPE_REGISTER || data->Action == MPS_FW_DIAG_TYPE_UNREGISTER || data->Action == MPS_FW_DIAG_TYPE_QUERY || data->Action == MPS_FW_DIAG_TYPE_READ_BUFFER || data->Action == MPS_FW_DIAG_TYPE_RELEASE) { status = mps_do_diag_action(sc, data->Action, PTRIN(data->PtrDiagAction), data->Length, &data->ReturnCode); } else status = EINVAL; sc->mps_flags &= ~MPS_FLAGS_BUSY; return (status); } /* * Copy the event recording mask and the event queue size out. For * clarification, the event recording mask (events_to_record) is not the same * thing as the event mask (event_mask). events_to_record has a bit set for * every event type that is to be recorded by the driver, and event_mask has a * bit cleared for every event that is allowed into the driver from the IOC. * They really have nothing to do with each other. */ static void mps_user_event_query(struct mps_softc *sc, mps_event_query_t *data) { uint8_t i; mps_lock(sc); data->Entries = MPS_EVENT_QUEUE_SIZE; for (i = 0; i < 4; i++) { data->Types[i] = sc->events_to_record[i]; } mps_unlock(sc); } /* * Set the driver's event mask according to what's been given. See * mps_user_event_query for explanation of the event recording mask and the IOC * event mask. It's the app's responsibility to enable event logging by setting * the bits in events_to_record. Initially, no events will be logged. */ static void mps_user_event_enable(struct mps_softc *sc, mps_event_enable_t *data) { uint8_t i; mps_lock(sc); for (i = 0; i < 4; i++) { sc->events_to_record[i] = data->Types[i]; } mps_unlock(sc); } /* * Copy out the events that have been recorded, up to the max events allowed. */ static int mps_user_event_report(struct mps_softc *sc, mps_event_report_t *data) { int status = 0; uint32_t size; mps_lock(sc); size = data->Size; if ((size >= sizeof(sc->recorded_events)) && (status == 0)) { mps_unlock(sc); if (copyout((void *)sc->recorded_events, PTRIN(data->PtrEvents), size) != 0) status = EFAULT; mps_lock(sc); } else { /* * data->Size value is not large enough to copy event data. */ status = EFAULT; } /* * Change size value to match the number of bytes that were copied. */ if (status == 0) data->Size = sizeof(sc->recorded_events); mps_unlock(sc); return (status); } /* * Record events into the driver from the IOC if they are not masked. */ void mpssas_record_event(struct mps_softc *sc, MPI2_EVENT_NOTIFICATION_REPLY *event_reply) { uint32_t event; int i, j; uint16_t event_data_len; boolean_t sendAEN = FALSE; event = event_reply->Event; /* * Generate a system event to let anyone who cares know that a * LOG_ENTRY_ADDED event has occurred. This is sent no matter what the * event mask is set to. */ if (event == MPI2_EVENT_LOG_ENTRY_ADDED) { sendAEN = TRUE; } /* * Record the event only if its corresponding bit is set in * events_to_record. event_index is the index into recorded_events and * event_number is the overall number of an event being recorded since * start-of-day. event_index will roll over; event_number will never * roll over. */ i = (uint8_t)(event / 32); j = (uint8_t)(event % 32); if ((i < 4) && ((1 << j) & sc->events_to_record[i])) { i = sc->event_index; sc->recorded_events[i].Type = event; sc->recorded_events[i].Number = ++sc->event_number; bzero(sc->recorded_events[i].Data, MPS_MAX_EVENT_DATA_LENGTH * 4); event_data_len = event_reply->EventDataLength; if (event_data_len > 0) { /* * Limit data to size in m_event entry */ if (event_data_len > MPS_MAX_EVENT_DATA_LENGTH) { event_data_len = MPS_MAX_EVENT_DATA_LENGTH; } for (j = 0; j < event_data_len; j++) { sc->recorded_events[i].Data[j] = event_reply->EventData[j]; } /* * check for index wrap-around */ if (++i == MPS_EVENT_QUEUE_SIZE) { i = 0; } sc->event_index = (uint8_t)i; /* * Set flag to send the event. */ sendAEN = TRUE; } } /* * Generate a system event if flag is set to let anyone who cares know * that an event has occurred. */ if (sendAEN) { //SLM-how to send a system event (see kqueue, kevent) // (void) ddi_log_sysevent(mpt->m_dip, DDI_VENDOR_LSI, "MPT_SAS", // "SAS", NULL, NULL, DDI_NOSLEEP); } } static int mps_user_reg_access(struct mps_softc *sc, mps_reg_access_t *data) { int status = 0; switch (data->Command) { /* * IO access is not supported. */ case REG_IO_READ: case REG_IO_WRITE: mps_dprint(sc, MPS_USER, "IO access is not supported. " "Use memory access."); status = EINVAL; break; case REG_MEM_READ: data->RegData = mps_regread(sc, data->RegOffset); break; case REG_MEM_WRITE: mps_regwrite(sc, data->RegOffset, data->RegData); break; default: status = EINVAL; break; } return (status); } static int mps_user_btdh(struct mps_softc *sc, mps_btdh_mapping_t *data) { uint8_t bt2dh = FALSE; uint8_t dh2bt = FALSE; uint16_t dev_handle, bus, target; bus = data->Bus; target = data->TargetID; dev_handle = data->DevHandle; /* * When DevHandle is 0xFFFF and Bus/Target are not 0xFFFF, use Bus/ * Target to get DevHandle. When Bus/Target are 0xFFFF and DevHandle is * not 0xFFFF, use DevHandle to get Bus/Target. Anything else is * invalid. */ if ((bus == 0xFFFF) && (target == 0xFFFF) && (dev_handle != 0xFFFF)) dh2bt = TRUE; if ((dev_handle == 0xFFFF) && (bus != 0xFFFF) && (target != 0xFFFF)) bt2dh = TRUE; if (!dh2bt && !bt2dh) return (EINVAL); /* * Only handle bus of 0. Make sure target is within range. */ if (bt2dh) { if (bus != 0) return (EINVAL); if (target > sc->max_devices) { mps_dprint(sc, MPS_FAULT, "Target ID is out of range " "for Bus/Target to DevHandle mapping."); return (EINVAL); } dev_handle = sc->mapping_table[target].dev_handle; if (dev_handle) data->DevHandle = dev_handle; } else { bus = 0; target = mps_mapping_get_tid_from_handle(sc, dev_handle); data->Bus = bus; data->TargetID = target; } return (0); } static int mps_ioctl(struct cdev *dev, u_long cmd, void *arg, int flag, struct thread *td) { struct mps_softc *sc; struct mps_cfg_page_req *page_req; struct mps_ext_cfg_page_req *ext_page_req; void *mps_page; int error, msleep_ret; mps_page = NULL; sc = dev->si_drv1; page_req = (void *)arg; ext_page_req = (void *)arg; switch (cmd) { case MPSIO_READ_CFG_HEADER: mps_lock(sc); error = mps_user_read_cfg_header(sc, page_req); mps_unlock(sc); break; case MPSIO_READ_CFG_PAGE: mps_page = malloc(page_req->len, M_MPSUSER, M_WAITOK | M_ZERO); error = copyin(page_req->buf, mps_page, sizeof(MPI2_CONFIG_PAGE_HEADER)); if (error) break; mps_lock(sc); error = mps_user_read_cfg_page(sc, page_req, mps_page); mps_unlock(sc); if (error) break; error = copyout(mps_page, page_req->buf, page_req->len); break; case MPSIO_READ_EXT_CFG_HEADER: mps_lock(sc); error = mps_user_read_extcfg_header(sc, ext_page_req); mps_unlock(sc); break; case MPSIO_READ_EXT_CFG_PAGE: mps_page = malloc(ext_page_req->len, M_MPSUSER, M_WAITOK|M_ZERO); error = copyin(ext_page_req->buf, mps_page, sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); if (error) break; mps_lock(sc); error = mps_user_read_extcfg_page(sc, ext_page_req, mps_page); mps_unlock(sc); if (error) break; error = copyout(mps_page, ext_page_req->buf, ext_page_req->len); break; case MPSIO_WRITE_CFG_PAGE: mps_page = malloc(page_req->len, M_MPSUSER, M_WAITOK|M_ZERO); error = copyin(page_req->buf, mps_page, page_req->len); if (error) break; mps_lock(sc); error = mps_user_write_cfg_page(sc, page_req, mps_page); mps_unlock(sc); break; case MPSIO_MPS_COMMAND: error = mps_user_command(sc, (struct mps_usr_command *)arg); break; case MPTIOCTL_PASS_THRU: /* * The user has requested to pass through a command to be * executed by the MPT firmware. Call our routine which does * this. Only allow one passthru IOCTL at one time. */ error = mps_user_pass_thru(sc, (mps_pass_thru_t *)arg); break; case MPTIOCTL_GET_ADAPTER_DATA: /* * The user has requested to read adapter data. Call our * routine which does this. */ error = 0; mps_user_get_adapter_data(sc, (mps_adapter_data_t *)arg); break; case MPTIOCTL_GET_PCI_INFO: /* * The user has requested to read pci info. Call * our routine which does this. */ mps_lock(sc); error = 0; mps_user_read_pci_info(sc, (mps_pci_info_t *)arg); mps_unlock(sc); break; case MPTIOCTL_RESET_ADAPTER: mps_lock(sc); sc->port_enable_complete = 0; uint32_t reinit_start = time_uptime; error = mps_reinit(sc); /* Sleep for 300 second. */ msleep_ret = msleep(&sc->port_enable_complete, &sc->mps_mtx, PRIBIO, "mps_porten", 300 * hz); mps_unlock(sc); if (msleep_ret) printf("Port Enable did not complete after Diag " "Reset msleep error %d.\n", msleep_ret); else mps_dprint(sc, MPS_USER, "Hard Reset with Port Enable completed in %d seconds.\n", (uint32_t) (time_uptime - reinit_start)); break; case MPTIOCTL_DIAG_ACTION: /* * The user has done a diag buffer action. Call our routine * which does this. Only allow one diag action at one time. */ mps_lock(sc); error = mps_user_diag_action(sc, (mps_diag_action_t *)arg); mps_unlock(sc); break; case MPTIOCTL_EVENT_QUERY: /* * The user has done an event query. Call our routine which does * this. */ error = 0; mps_user_event_query(sc, (mps_event_query_t *)arg); break; case MPTIOCTL_EVENT_ENABLE: /* * The user has done an event enable. Call our routine which * does this. */ error = 0; mps_user_event_enable(sc, (mps_event_enable_t *)arg); break; case MPTIOCTL_EVENT_REPORT: /* * The user has done an event report. Call our routine which * does this. */ error = mps_user_event_report(sc, (mps_event_report_t *)arg); break; case MPTIOCTL_REG_ACCESS: /* * The user has requested register access. Call our routine * which does this. */ mps_lock(sc); error = mps_user_reg_access(sc, (mps_reg_access_t *)arg); mps_unlock(sc); break; case MPTIOCTL_BTDH_MAPPING: /* * The user has requested to translate a bus/target to a * DevHandle or a DevHandle to a bus/target. Call our routine * which does this. */ error = mps_user_btdh(sc, (mps_btdh_mapping_t *)arg); break; default: error = ENOIOCTL; break; } if (mps_page != NULL) free(mps_page, M_MPSUSER); return (error); } #ifdef COMPAT_FREEBSD32 struct mps_cfg_page_req32 { MPI2_CONFIG_PAGE_HEADER header; uint32_t page_address; uint32_t buf; int len; uint16_t ioc_status; }; struct mps_ext_cfg_page_req32 { MPI2_CONFIG_EXTENDED_PAGE_HEADER header; uint32_t page_address; uint32_t buf; int len; uint16_t ioc_status; }; struct mps_raid_action32 { uint8_t action; uint8_t volume_bus; uint8_t volume_id; uint8_t phys_disk_num; uint32_t action_data_word; uint32_t buf; int len; uint32_t volume_status; uint32_t action_data[4]; uint16_t action_status; uint16_t ioc_status; uint8_t write; }; struct mps_usr_command32 { uint32_t req; uint32_t req_len; uint32_t rpl; uint32_t rpl_len; uint32_t buf; int len; uint32_t flags; }; #define MPSIO_READ_CFG_HEADER32 _IOWR('M', 200, struct mps_cfg_page_req32) #define MPSIO_READ_CFG_PAGE32 _IOWR('M', 201, struct mps_cfg_page_req32) #define MPSIO_READ_EXT_CFG_HEADER32 _IOWR('M', 202, struct mps_ext_cfg_page_req32) #define MPSIO_READ_EXT_CFG_PAGE32 _IOWR('M', 203, struct mps_ext_cfg_page_req32) #define MPSIO_WRITE_CFG_PAGE32 _IOWR('M', 204, struct mps_cfg_page_req32) #define MPSIO_RAID_ACTION32 _IOWR('M', 205, struct mps_raid_action32) #define MPSIO_MPS_COMMAND32 _IOWR('M', 210, struct mps_usr_command32) static int mps_ioctl32(struct cdev *dev, u_long cmd32, void *_arg, int flag, struct thread *td) { struct mps_cfg_page_req32 *page32 = _arg; struct mps_ext_cfg_page_req32 *ext32 = _arg; struct mps_raid_action32 *raid32 = _arg; struct mps_usr_command32 *user32 = _arg; union { struct mps_cfg_page_req page; struct mps_ext_cfg_page_req ext; struct mps_raid_action raid; struct mps_usr_command user; } arg; u_long cmd; int error; switch (cmd32) { case MPSIO_READ_CFG_HEADER32: case MPSIO_READ_CFG_PAGE32: case MPSIO_WRITE_CFG_PAGE32: if (cmd32 == MPSIO_READ_CFG_HEADER32) cmd = MPSIO_READ_CFG_HEADER; else if (cmd32 == MPSIO_READ_CFG_PAGE32) cmd = MPSIO_READ_CFG_PAGE; else cmd = MPSIO_WRITE_CFG_PAGE; CP(*page32, arg.page, header); CP(*page32, arg.page, page_address); PTRIN_CP(*page32, arg.page, buf); CP(*page32, arg.page, len); CP(*page32, arg.page, ioc_status); break; case MPSIO_READ_EXT_CFG_HEADER32: case MPSIO_READ_EXT_CFG_PAGE32: if (cmd32 == MPSIO_READ_EXT_CFG_HEADER32) cmd = MPSIO_READ_EXT_CFG_HEADER; else cmd = MPSIO_READ_EXT_CFG_PAGE; CP(*ext32, arg.ext, header); CP(*ext32, arg.ext, page_address); PTRIN_CP(*ext32, arg.ext, buf); CP(*ext32, arg.ext, len); CP(*ext32, arg.ext, ioc_status); break; case MPSIO_RAID_ACTION32: cmd = MPSIO_RAID_ACTION; CP(*raid32, arg.raid, action); CP(*raid32, arg.raid, volume_bus); CP(*raid32, arg.raid, volume_id); CP(*raid32, arg.raid, phys_disk_num); CP(*raid32, arg.raid, action_data_word); PTRIN_CP(*raid32, arg.raid, buf); CP(*raid32, arg.raid, len); CP(*raid32, arg.raid, volume_status); bcopy(raid32->action_data, arg.raid.action_data, sizeof arg.raid.action_data); CP(*raid32, arg.raid, ioc_status); CP(*raid32, arg.raid, write); break; case MPSIO_MPS_COMMAND32: cmd = MPSIO_MPS_COMMAND; PTRIN_CP(*user32, arg.user, req); CP(*user32, arg.user, req_len); PTRIN_CP(*user32, arg.user, rpl); CP(*user32, arg.user, rpl_len); PTRIN_CP(*user32, arg.user, buf); CP(*user32, arg.user, len); CP(*user32, arg.user, flags); break; default: return (ENOIOCTL); } error = mps_ioctl(dev, cmd, &arg, flag, td); if (error == 0 && (cmd32 & IOC_OUT) != 0) { switch (cmd32) { case MPSIO_READ_CFG_HEADER32: case MPSIO_READ_CFG_PAGE32: case MPSIO_WRITE_CFG_PAGE32: CP(arg.page, *page32, header); CP(arg.page, *page32, page_address); PTROUT_CP(arg.page, *page32, buf); CP(arg.page, *page32, len); CP(arg.page, *page32, ioc_status); break; case MPSIO_READ_EXT_CFG_HEADER32: case MPSIO_READ_EXT_CFG_PAGE32: CP(arg.ext, *ext32, header); CP(arg.ext, *ext32, page_address); PTROUT_CP(arg.ext, *ext32, buf); CP(arg.ext, *ext32, len); CP(arg.ext, *ext32, ioc_status); break; case MPSIO_RAID_ACTION32: CP(arg.raid, *raid32, action); CP(arg.raid, *raid32, volume_bus); CP(arg.raid, *raid32, volume_id); CP(arg.raid, *raid32, phys_disk_num); CP(arg.raid, *raid32, action_data_word); PTROUT_CP(arg.raid, *raid32, buf); CP(arg.raid, *raid32, len); CP(arg.raid, *raid32, volume_status); bcopy(arg.raid.action_data, raid32->action_data, sizeof arg.raid.action_data); CP(arg.raid, *raid32, ioc_status); CP(arg.raid, *raid32, write); break; case MPSIO_MPS_COMMAND32: PTROUT_CP(arg.user, *user32, req); CP(arg.user, *user32, req_len); PTROUT_CP(arg.user, *user32, rpl); CP(arg.user, *user32, rpl_len); PTROUT_CP(arg.user, *user32, buf); CP(arg.user, *user32, len); CP(arg.user, *user32, flags); break; } } return (error); } #endif /* COMPAT_FREEBSD32 */ static int mps_ioctl_devsw(struct cdev *dev, u_long com, caddr_t arg, int flag, struct thread *td) { #ifdef COMPAT_FREEBSD32 if (SV_CURPROC_FLAG(SV_ILP32)) return (mps_ioctl32(dev, com, arg, flag, td)); #endif return (mps_ioctl(dev, com, arg, flag, td)); }