/* $OpenBSD: aac.c,v 1.40 2009/09/04 04:57:14 miod Exp $ */ /*- * Copyright (c) 2000 Michael Smith * Copyright (c) 2001 Scott Long * Copyright (c) 2000 BSDi * Copyright (c) 2001 Adaptec, Inc. * Copyright (c) 2000 Niklas Hallqvist * Copyright (c) 2004 Nathan Binkert * 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. * * $FreeBSD: /c/ncvs/src/sys/dev/aac/aac.c,v 1.1 2000/09/13 03:20:34 msmith Exp $ */ /* * Driver for the Adaptec 'FSA' family of PCI/SCSI RAID adapters. */ /* * This driver would not have rewritten for OpenBSD if it was not for the * hardware donation from Nocom. I want to thank them for their support. * Of course, credit should go to Mike Smith for the original work he did * in the FreeBSD driver where I found lots of reusable code and inspiration. * - Niklas Hallqvist */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Geometry constants. */ #define AAC_MAXCYLS 1024 #define AAC_HEADS 64 #define AAC_SECS 32 /* mapping 64*32 */ #define AAC_MEDHEADS 127 #define AAC_MEDSECS 63 /* mapping 127*63 */ #define AAC_BIGHEADS 255 #define AAC_BIGSECS 63 /* mapping 255*63 */ #define AAC_SECS32 0x1f /* round capacity */ struct scsi_xfer; void aac_copy_internal_data(struct scsi_xfer *, u_int8_t *, size_t); char *aac_describe_code(struct aac_code_lookup *, u_int32_t); void aac_describe_controller(struct aac_softc *); int aac_enqueue_fib(struct aac_softc *, int, struct aac_command *); int aac_dequeue_fib(struct aac_softc *, int, u_int32_t *, struct aac_fib **); int aac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib); void aac_eval_mapping(u_int32_t, int *, int *, int *); void aac_print_printf(struct aac_softc *); int aac_init(struct aac_softc *); int aac_check_firmware(struct aac_softc *); void aac_internal_cache_cmd(struct scsi_xfer *); /* Command Processing */ void aac_timeout(struct aac_softc *); void aac_command_timeout(struct aac_command *); int aac_map_command(struct aac_command *); void aac_complete(void *); int aac_bio_command(struct aac_softc *, struct aac_command **); void aac_bio_complete(struct aac_command *); int aac_wait_command(struct aac_command *, int); void aac_create_thread(void *); void aac_command_thread(void *); /* Command Buffer Management */ void aac_map_command_sg(void *, bus_dma_segment_t *, int, int); int aac_alloc_commands(struct aac_softc *); void aac_free_commands(struct aac_softc *); void aac_unmap_command(struct aac_command *); #if 0 int aac_raw_scsi_cmd(struct scsi_xfer *); #endif int aac_scsi_cmd(struct scsi_xfer *); void aac_startio(struct aac_softc *); void aac_startup(struct aac_softc *); void aac_add_container(struct aac_softc *, struct aac_mntinforesp *, int); void aac_shutdown(void *); int aac_sync_command(struct aac_softc *, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t *); struct cfdriver aac_cd = { NULL, "aac", DV_DULL }; struct scsi_adapter aac_switch = { aac_scsi_cmd, aacminphys, 0, 0, }; #if 0 struct scsi_adapter aac_raw_switch = { aac_raw_scsi_cmd, aacminphys, 0, 0, }; #endif struct scsi_device aac_dev = { NULL, NULL, NULL, NULL }; /* Falcon/PPC interface */ int aac_fa_get_fwstatus(struct aac_softc *); void aac_fa_qnotify(struct aac_softc *, int); int aac_fa_get_istatus(struct aac_softc *); void aac_fa_clear_istatus(struct aac_softc *, int); void aac_fa_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t); int aac_fa_get_mailbox(struct aac_softc *, int); void aac_fa_set_interrupts(struct aac_softc *, int); struct aac_interface aac_fa_interface = { aac_fa_get_fwstatus, aac_fa_qnotify, aac_fa_get_istatus, aac_fa_clear_istatus, aac_fa_set_mailbox, aac_fa_get_mailbox, aac_fa_set_interrupts }; /* StrongARM interface */ int aac_sa_get_fwstatus(struct aac_softc *); void aac_sa_qnotify(struct aac_softc *, int); int aac_sa_get_istatus(struct aac_softc *); void aac_sa_clear_istatus(struct aac_softc *, int); void aac_sa_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t); int aac_sa_get_mailbox(struct aac_softc *, int); void aac_sa_set_interrupts(struct aac_softc *, int); struct aac_interface aac_sa_interface = { aac_sa_get_fwstatus, aac_sa_qnotify, aac_sa_get_istatus, aac_sa_clear_istatus, aac_sa_set_mailbox, aac_sa_get_mailbox, aac_sa_set_interrupts }; /* i960Rx interface */ int aac_rx_get_fwstatus(struct aac_softc *); void aac_rx_qnotify(struct aac_softc *, int); int aac_rx_get_istatus(struct aac_softc *); void aac_rx_clear_istatus(struct aac_softc *, int); void aac_rx_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t); int aac_rx_get_mailbox(struct aac_softc *, int); void aac_rx_set_interrupts(struct aac_softc *, int); struct aac_interface aac_rx_interface = { aac_rx_get_fwstatus, aac_rx_qnotify, aac_rx_get_istatus, aac_rx_clear_istatus, aac_rx_set_mailbox, aac_rx_get_mailbox, aac_rx_set_interrupts }; /* Rocket/MIPS interface */ int aac_rkt_get_fwstatus(struct aac_softc *); void aac_rkt_qnotify(struct aac_softc *, int); int aac_rkt_get_istatus(struct aac_softc *); void aac_rkt_clear_istatus(struct aac_softc *, int); void aac_rkt_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t); int aac_rkt_get_mailbox(struct aac_softc *, int); void aac_rkt_set_interrupts(struct aac_softc *, int); struct aac_interface aac_rkt_interface = { aac_rkt_get_fwstatus, aac_rkt_qnotify, aac_rkt_get_istatus, aac_rkt_clear_istatus, aac_rkt_set_mailbox, aac_rkt_get_mailbox, aac_rkt_set_interrupts }; #ifdef AAC_DEBUG int aac_debug = AAC_DEBUG; #endif int aac_attach(struct aac_softc *sc) { struct scsibus_attach_args saa; int error; /* * Initialise per-controller queues. */ aac_initq_free(sc); aac_initq_ready(sc); aac_initq_busy(sc); aac_initq_bio(sc); /* disable interrupts before we enable anything */ AAC_MASK_INTERRUPTS(sc); /* mark controller as suspended until we get ourselves organised */ sc->aac_state |= AAC_STATE_SUSPEND; /* * Check that the firmware on the card is supported. */ error = aac_check_firmware(sc); if (error) return (error); /* * Initialize locks */ AAC_LOCK_INIT(&sc->aac_sync_lock, "AAC sync FIB lock"); AAC_LOCK_INIT(&sc->aac_aifq_lock, "AAC AIF lock"); AAC_LOCK_INIT(&sc->aac_io_lock, "AAC I/O lock"); AAC_LOCK_INIT(&sc->aac_container_lock, "AAC container lock"); TAILQ_INIT(&sc->aac_container_tqh); /* Initialize the local AIF queue pointers */ sc->aac_aifq_head = sc->aac_aifq_tail = AAC_AIFQ_LENGTH; /* * Initialise the adapter. */ error = aac_init(sc); if (error) return (error); /* Fill in the prototype scsi_link. */ sc->aac_link.adapter_softc = sc; sc->aac_link.adapter = &aac_switch; sc->aac_link.device = &aac_dev; sc->aac_link.openings = (sc->total_fibs - 8) / (sc->aac_container_count ? sc->aac_container_count : 1); sc->aac_link.adapter_buswidth = AAC_MAX_CONTAINERS; sc->aac_link.adapter_target = AAC_MAX_CONTAINERS; bzero(&saa, sizeof(saa)); saa.saa_sc_link = &sc->aac_link; config_found(&sc->aac_dev, &saa, scsiprint); /* Create the AIF thread */ sc->aifthread = 0; sc->aifflags = 0; kthread_create_deferred(aac_create_thread, sc); #if 0 /* Register the shutdown method to only be called post-dump */ sc->aac_sdh = shutdownhook_establish(aac_shutdown, (void *)sc); #endif return (0); } void aac_create_thread(void *arg) { struct aac_softc *sc = arg; if (kthread_create(aac_command_thread, sc, &sc->aifthread, "%s", sc->aac_dev.dv_xname)) { /* TODO disable aac */ printf("%s: failed to create kernel thread, disabled", sc->aac_dev.dv_xname); } AAC_DPRINTF(AAC_D_MISC, ("%s: aac_create_thread\n", sc->aac_dev.dv_xname)); } /* * Probe for containers, create disks. */ void aac_startup(struct aac_softc *sc) { struct aac_fib *fib; struct aac_mntinfo *mi; struct aac_mntinforesp *mir = NULL; int count = 0, i = 0; aac_alloc_sync_fib(sc, &fib, 0); mi = (struct aac_mntinfo *)&fib->data[0]; AAC_DPRINTF(AAC_D_MISC, ("%s: aac startup\n", sc->aac_dev.dv_xname)); sc->aac_container_count = 0; /* loop over possible containers */ do { /* request information on this container */ bzero(mi, sizeof(struct aac_mntinfo)); mi->Command = VM_NameServe; mi->MntType = FT_FILESYS; mi->MntCount = i; if (aac_sync_fib(sc, ContainerCommand, 0, fib, sizeof(struct aac_mntinfo))) { printf("%s: error probing container %d\n", sc->aac_dev.dv_xname, i); continue; } mir = (struct aac_mntinforesp *)&fib->data[0]; /* XXX Need to check if count changed */ count = mir->MntRespCount; #if 0 aac_add_container(sc, mir, 0); #else /* * Check container volume type for validity. Note * that many of the possible types may never show up. */ if (mir->Status == ST_OK && mir->MntTable[0].VolType != CT_NONE) { int drv_cyls, drv_hds, drv_secs; AAC_DPRINTF(AAC_D_MISC, ("%s: %d: id %x name '%.16s' size %u type %d\n", sc->aac_dev.dv_xname, i, mir->MntTable[0].ObjectId, mir->MntTable[0].FileSystemName, mir->MntTable[0].Capacity, mir->MntTable[0].VolType)); sc->aac_container_count++; sc->aac_hdr[i].hd_present = 1; sc->aac_hdr[i].hd_size = mir->MntTable[0].Capacity; /* * Evaluate mapping (sectors per head, heads per cyl) */ sc->aac_hdr[i].hd_size &= ~AAC_SECS32; aac_eval_mapping(sc->aac_hdr[i].hd_size, &drv_cyls, &drv_hds, &drv_secs); sc->aac_hdr[i].hd_heads = drv_hds; sc->aac_hdr[i].hd_secs = drv_secs; /* Round the size */ sc->aac_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs; sc->aac_hdr[i].hd_devtype = mir->MntTable[0].VolType; /* XXX Save the name too for use in IDENTIFY later */ } #endif i++; } while ((i < count) && (i < AAC_MAX_CONTAINERS)); aac_release_sync_fib(sc); #if 0 /* poke the bus to actually attach the child devices */ if (bus_generic_attach(sc->aac_dev)) printf("%s: bus_generic_attach failed\n", sc->aac_dev.dv_xname); #endif /* mark the controller up */ sc->aac_state &= ~AAC_STATE_SUSPEND; /* enable interrupts now */ AAC_UNMASK_INTERRUPTS(sc); } #if 0 /* * Create a device to respresent a new container */ void aac_add_container(struct aac_softc *sc, struct aac_mntinforesp *mir, int f) { struct aac_container *co; device_t child; /* * Check container volume type for validity. Note that many of * the possible types may never show up. */ if ((mir->Status == ST_OK) && (mir->MntTable[0].VolType != CT_NONE)) { co = (struct aac_container *)malloc(sizeof *co, M_DEVBUF, M_NOWAIT); if (co == NULL) panic("Out of memory?!\n"); bzero(co, sizeof *co); AAC_DPRINTF(AAC_D_MISC, ("%s: id %x name '%.16s' size %u type %d\n", sc->aac_dev.dv_xname, mir->MntTable[0].ObjectId, mir->MntTable[0].FileSystemName, mir->MntTable[0].Capacity, mir->MntTable[0].VolType); if ((child = device_add_child(sc->aac_dev, "aacd", -1)) == NULL) printf("%s: device_add_child failed\n", sc->aac_dev.dv_xname); else device_set_ivars(child, co); device_set_desc(child, aac_describe_code(aac_container_types, mir->MntTable[0].VolType)); co->co_disk = child; co->co_found = f; bcopy(&mir->MntTable[0], &co->co_mntobj, sizeof(struct aac_mntobj)); AAC_LOCK_ACQUIRE(&sc->aac_container_lock); TAILQ_INSERT_TAIL(&sc->aac_container_tqh, co, co_link); AAC_LOCK_RELEASE(&sc->aac_container_lock); } } #endif #if 0 /* * Free all of the resources associated with (sc) * * Should not be called if the controller is active. */ void aac_free(struct aac_softc *sc) { debug_called(1); /* remove the control device */ if (sc->aac_dev_t != NULL) destroy_dev(sc->aac_dev_t); /* throw away any FIB buffers, discard the FIB DMA tag */ aac_free_commands(sc); if (sc->aac_fib_dmat) bus_dma_tag_destroy(sc->aac_fib_dmat); free(sc->aac_commands, M_AACBUF); /* destroy the common area */ if (sc->aac_common) { bus_dmamap_unload(sc->aac_common_dmat, sc->aac_common_dmamap); bus_dmamem_free(sc->aac_common_dmat, sc->aac_common, sc->aac_common_dmamap); } if (sc->aac_common_dmat) bus_dma_tag_destroy(sc->aac_common_dmat); /* disconnect the interrupt handler */ if (sc->aac_intr) bus_teardown_intr(sc->aac_dev, sc->aac_irq, sc->aac_intr); if (sc->aac_irq != NULL) bus_release_resource(sc->aac_dev, SYS_RES_IRQ, sc->aac_irq_rid, sc->aac_irq); /* destroy data-transfer DMA tag */ if (sc->aac_buffer_dmat) bus_dma_tag_destroy(sc->aac_buffer_dmat); /* destroy the parent DMA tag */ if (sc->aac_parent_dmat) bus_dma_tag_destroy(sc->aac_parent_dmat); /* release the register window mapping */ if (sc->aac_regs_resource != NULL) bus_release_resource(sc->aac_dev, SYS_RES_MEMORY, sc->aac_regs_rid, sc->aac_regs_resource); } /* * Disconnect from the controller completely, in preparation for unload. */ int aac_detach(device_t dev) { struct aac_softc *sc; struct aac_container *co; struct aac_sim *sim; int error; debug_called(1); sc = device_get_softc(dev); if (sc->aac_state & AAC_STATE_OPEN) return(EBUSY); /* Remove the child containers */ while ((co = TAILQ_FIRST(&sc->aac_container_tqh)) != NULL) { error = device_delete_child(dev, co->co_disk); if (error) return (error); TAILQ_REMOVE(&sc->aac_container_tqh, co, co_link); free(co, M_AACBUF); } /* Remove the CAM SIMs */ while ((sim = TAILQ_FIRST(&sc->aac_sim_tqh)) != NULL) { TAILQ_REMOVE(&sc->aac_sim_tqh, sim, sim_link); error = device_delete_child(dev, sim->sim_dev); if (error) return (error); free(sim, M_AACBUF); } if (sc->aifflags & AAC_AIFFLAGS_RUNNING) { sc->aifflags |= AAC_AIFFLAGS_EXIT; wakeup(sc->aifthread); tsleep(sc->aac_dev, PUSER | PCATCH, "aacdch", 30 * hz); } if (sc->aifflags & AAC_AIFFLAGS_RUNNING) panic("Cannot shutdown AIF thread\n"); if ((error = aac_shutdown(dev))) return(error); EVENTHANDLER_DEREGISTER(shutdown_final, sc->eh); aac_free(sc); return(0); } /* * Bring the controller down to a dormant state and detach all child devices. * * This function is called before detach or system shutdown. * * Note that we can assume that the bioq on the controller is empty, as we won't * allow shutdown if any device is open. */ int aac_shutdown(device_t dev) { struct aac_softc *sc; struct aac_fib *fib; struct aac_close_command *cc; debug_called(1); sc = device_get_softc(dev); sc->aac_state |= AAC_STATE_SUSPEND; /* * Send a Container shutdown followed by a HostShutdown FIB to the * controller to convince it that we don't want to talk to it anymore. * We've been closed and all I/O completed already */ device_printf(sc->aac_dev, "shutting down controller..."); aac_alloc_sync_fib(sc, &fib, AAC_SYNC_LOCK_FORCE); cc = (struct aac_close_command *)&fib->data[0]; bzero(cc, sizeof(struct aac_close_command)); cc->Command = VM_CloseAll; cc->ContainerId = 0xffffffff; if (aac_sync_fib(sc, ContainerCommand, 0, fib, sizeof(struct aac_close_command))) printf("FAILED.\n"); else printf("done\n"); else { fib->data[0] = 0; /* * XXX Issuing this command to the controller makes it * shut down but also keeps it from coming back up * without a reset of the PCI bus. This is not * desirable if you are just unloading the driver * module with the intent to reload it later. */ if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN, fib, 1)) { printf("FAILED.\n"); } else { printf("done.\n"); } } AAC_MASK_INTERRUPTS(sc); return(0); } /* * Bring the controller to a quiescent state, ready for system suspend. */ int aac_suspend(device_t dev) { struct aac_softc *sc; debug_called(1); sc = device_get_softc(dev); sc->aac_state |= AAC_STATE_SUSPEND; AAC_MASK_INTERRUPTS(sc); return(0); } /* * Bring the controller back to a state ready for operation. */ int aac_resume(device_t dev) { struct aac_softc *sc; debug_called(1); sc = device_get_softc(dev); sc->aac_state &= ~AAC_STATE_SUSPEND; AAC_UNMASK_INTERRUPTS(sc); return(0); } #endif /* * Take an interrupt. */ int aac_intr(void *arg) { struct aac_softc *sc = arg; u_int16_t reason; /* * Read the status register directly. This is faster than taking the * driver lock and reading the queues directly. It also saves having * to turn parts of the driver lock into a spin mutex, which would be * ugly. */ reason = AAC_GET_ISTATUS(sc); AAC_CLEAR_ISTATUS(sc, reason); (void)AAC_GET_ISTATUS(sc); if (reason == 0) return (0); AAC_DPRINTF(AAC_D_INTR, ("%s: intr: sc=%p: reason=%#x\n", sc->aac_dev.dv_xname, sc, reason)); /* controller wants to talk to us */ if (reason & (AAC_DB_PRINTF | AAC_DB_COMMAND_READY | AAC_DB_RESPONSE_READY)) { if (reason & AAC_DB_RESPONSE_READY) { /* handle completion processing */ if (sc->aifflags & AAC_AIFFLAGS_RUNNING) { sc->aifflags |= AAC_AIFFLAGS_COMPLETE; } else { AAC_LOCK_ACQUIRE(&sc->aac_io_lock); aac_complete(sc); AAC_LOCK_RELEASE(&sc->aac_io_lock); } } /* * XXX Make sure that we don't get fooled by strange messages * that start with a NULL. */ if (reason & AAC_DB_PRINTF) if (sc->aac_common->ac_printf[0] == 0) sc->aac_common->ac_printf[0] = 32; /* * This might miss doing the actual wakeup. However, the * msleep that this is waking up has a timeout, so it will * wake up eventually. AIFs and printfs are low enough * priority that they can handle hanging out for a few seconds * if needed. */ if (sc->aifthread) wakeup(sc->aifthread); } return (1); } /* * Command Processing */ /* * Start as much queued I/O as possible on the controller */ void aac_startio(struct aac_softc *sc) { struct aac_command *cm; AAC_DPRINTF(AAC_D_CMD, ("%s: start command", sc->aac_dev.dv_xname)); if (sc->flags & AAC_QUEUE_FRZN) { AAC_DPRINTF(AAC_D_CMD, (": queue frozen")); return; } AAC_DPRINTF(AAC_D_CMD, ("\n")); for (;;) { /* * Try to get a command that's been put off for lack of * resources */ cm = aac_dequeue_ready(sc); /* * Try to build a command off the bio queue (ignore error * return) */ if (cm == NULL) { AAC_DPRINTF(AAC_D_CMD, ("\n")); aac_bio_command(sc, &cm); AAC_DPRINTF(AAC_D_CMD, ("%s: start done bio", sc->aac_dev.dv_xname)); } /* nothing to do? */ if (cm == NULL) break; /* * Try to give the command to the controller. Any error is * catastrophic since it means that bus_dmamap_load() failed. */ if (aac_map_command(cm) != 0) panic("aac: error mapping command %p\n", cm); AAC_DPRINTF(AAC_D_CMD, ("\n%s: another command", sc->aac_dev.dv_xname)); } AAC_DPRINTF(AAC_D_CMD, ("\n")); } /* * Deliver a command to the controller; allocate controller resources at the * last moment when possible. */ int aac_map_command(struct aac_command *cm) { struct aac_softc *sc = cm->cm_sc; int error = 0; AAC_DPRINTF(AAC_D_CMD, (": map command")); /* don't map more than once */ if (cm->cm_flags & AAC_CMD_MAPPED) panic("aac: command %p already mapped", cm); if (cm->cm_datalen != 0) { error = bus_dmamap_load(sc->aac_dmat, cm->cm_datamap, cm->cm_data, cm->cm_datalen, NULL, BUS_DMA_NOWAIT); if (error) return (error); aac_map_command_sg(cm, cm->cm_datamap->dm_segs, cm->cm_datamap->dm_nsegs, 0); } else { aac_map_command_sg(cm, NULL, 0, 0); } return (error); } /* * Handle notification of one or more FIBs coming from the controller. */ void aac_command_thread(void *arg) { struct aac_softc *sc = arg; struct aac_fib *fib; u_int32_t fib_size; int size, retval; AAC_DPRINTF(AAC_D_THREAD, ("%s: aac_command_thread: starting\n", sc->aac_dev.dv_xname)); AAC_LOCK_ACQUIRE(&sc->aac_io_lock); sc->aifflags = AAC_AIFFLAGS_RUNNING; while ((sc->aifflags & AAC_AIFFLAGS_EXIT) == 0) { AAC_DPRINTF(AAC_D_THREAD, ("%s: aac_command_thread: aifflags=%#x\n", sc->aac_dev.dv_xname, sc->aifflags)); retval = 0; if ((sc->aifflags & AAC_AIFFLAGS_PENDING) == 0) { AAC_DPRINTF(AAC_D_THREAD, ("%s: command thread sleeping\n", sc->aac_dev.dv_xname)); AAC_LOCK_RELEASE(&sc->aac_io_lock); retval = tsleep(sc->aifthread, PRIBIO, "aifthd", AAC_PERIODIC_INTERVAL * hz); AAC_LOCK_ACQUIRE(&sc->aac_io_lock); } if ((sc->aifflags & AAC_AIFFLAGS_COMPLETE) != 0) { aac_complete(sc); sc->aifflags &= ~AAC_AIFFLAGS_COMPLETE; } /* * While we're here, check to see if any commands are stuck. * This is pretty low-priority, so it's ok if it doesn't * always fire. */ if (retval == EWOULDBLOCK) aac_timeout(sc); /* Check the hardware printf message buffer */ if (sc->aac_common->ac_printf[0] != 0) aac_print_printf(sc); /* Also check to see if the adapter has a command for us. */ while (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE, &fib_size, &fib) == 0) { AAC_PRINT_FIB(sc, fib); switch (fib->Header.Command) { case AifRequest: //aac_handle_aif(sc, fib); break; default: printf("%s: unknown command from controller\n", sc->aac_dev.dv_xname); break; } if ((fib->Header.XferState == 0) || (fib->Header.StructType != AAC_FIBTYPE_TFIB)) break; /* Return the AIF to the controller. */ if (fib->Header.XferState & AAC_FIBSTATE_FROMADAP) { fib->Header.XferState |= AAC_FIBSTATE_DONEHOST; *(AAC_FSAStatus*)fib->data = ST_OK; /* XXX Compute the Size field? */ size = fib->Header.Size; if (size > sizeof(struct aac_fib)) { size = sizeof(struct aac_fib); fib->Header.Size = size; } /* * Since we did not generate this command, it * cannot go through the normal * enqueue->startio chain. */ aac_enqueue_response(sc, AAC_ADAP_NORM_RESP_QUEUE, fib); } } } sc->aifflags &= ~AAC_AIFFLAGS_RUNNING; AAC_LOCK_RELEASE(&sc->aac_io_lock); #if 0 /* * if we ever implement detach, we should have detach tsleep * to wait for this thread to finish */ wakeup(sc->aac_dev); #endif AAC_DPRINTF(AAC_D_THREAD, ("%s: aac_command_thread: exiting\n", sc->aac_dev.dv_xname)); kthread_exit(0); } /* * Process completed commands. */ void aac_complete(void *context) { struct aac_softc *sc = (struct aac_softc *)context; struct aac_command *cm; struct aac_fib *fib; u_int32_t fib_size; AAC_DPRINTF(AAC_D_CMD, ("%s: complete", sc->aac_dev.dv_xname)); /* pull completed commands off the queue */ for (;;) { /* look for completed FIBs on our queue */ if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size, &fib)) break; /* nothing to do */ /* get the command, unmap and hand off for processing */ cm = sc->aac_commands + fib->Header.SenderData; if (cm == NULL) { AAC_PRINT_FIB(sc, fib); break; } aac_remove_busy(cm); aac_unmap_command(cm); cm->cm_flags |= AAC_CMD_COMPLETED; /* is there a completion handler? */ if (cm->cm_complete != NULL) { cm->cm_complete(cm); } else { /* assume that someone is sleeping on this command */ wakeup(cm); } } AAC_DPRINTF(AAC_D_CMD, ("\n")); /* see if we can start some more I/O */ sc->flags &= ~AAC_QUEUE_FRZN; aac_startio(sc); } /* * Get a bio and build a command to go with it. */ int aac_bio_command(struct aac_softc *sc, struct aac_command **cmp) { struct aac_command *cm; struct aac_fib *fib; struct scsi_xfer *xs; u_int8_t opcode = 0; AAC_DPRINTF(AAC_D_CMD, ("%s: bio command", sc->aac_dev.dv_xname)); /* get the resources we will need */ if ((cm = aac_dequeue_bio(sc)) == NULL) goto fail; xs = cm->cm_private; /* build the FIB */ fib = cm->cm_fib; fib->Header.Size = sizeof(struct aac_fib_header); fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED | AAC_FIBSTATE_INITIALISED | AAC_FIBSTATE_EMPTY | AAC_FIBSTATE_FROMHOST | AAC_FIBSTATE_REXPECTED | AAC_FIBSTATE_NORM | AAC_FIBSTATE_ASYNC | AAC_FIBSTATE_FAST_RESPONSE; switch(xs->cmd->opcode) { case READ_COMMAND: case READ_BIG: opcode = READ_COMMAND; break; case WRITE_COMMAND: case WRITE_BIG: opcode = WRITE_COMMAND; break; default: panic("%s: invalid opcode %#x\n", sc->aac_dev.dv_xname, xs->cmd->opcode); } /* build the read/write request */ if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) { fib->Header.Command = ContainerCommand; if (opcode == READ_COMMAND) { struct aac_blockread *br; br = (struct aac_blockread *)&fib->data[0]; br->Command = VM_CtBlockRead; br->ContainerId = xs->sc_link->target; br->BlockNumber = cm->cm_blkno; br->ByteCount = cm->cm_bcount * AAC_BLOCK_SIZE; fib->Header.Size += sizeof(struct aac_blockread); cm->cm_sgtable = &br->SgMap; cm->cm_flags |= AAC_CMD_DATAIN; } else { struct aac_blockwrite *bw; bw = (struct aac_blockwrite *)&fib->data[0]; bw->Command = VM_CtBlockWrite; bw->ContainerId = xs->sc_link->target; bw->BlockNumber = cm->cm_blkno; bw->ByteCount = cm->cm_bcount * AAC_BLOCK_SIZE; bw->Stable = CUNSTABLE; fib->Header.Size += sizeof(struct aac_blockwrite); cm->cm_flags |= AAC_CMD_DATAOUT; cm->cm_sgtable = &bw->SgMap; } } else { fib->Header.Command = ContainerCommand64; if (opcode == READ_COMMAND) { struct aac_blockread64 *br; br = (struct aac_blockread64 *)&fib->data[0]; br->Command = VM_CtHostRead64; br->ContainerId = xs->sc_link->target; br->BlockNumber = cm->cm_blkno; br->SectorCount = cm->cm_bcount; br->Pad = 0; br->Flags = 0; fib->Header.Size += sizeof(struct aac_blockread64); cm->cm_flags |= AAC_CMD_DATAOUT; (struct aac_sg_table64 *)cm->cm_sgtable = &br->SgMap64; } else { struct aac_blockwrite64 *bw; bw = (struct aac_blockwrite64 *)&fib->data[0]; bw->Command = VM_CtHostWrite64; bw->ContainerId = xs->sc_link->target; bw->BlockNumber = cm->cm_blkno; bw->SectorCount = cm->cm_bcount; bw->Pad = 0; bw->Flags = 0; fib->Header.Size += sizeof(struct aac_blockwrite64); cm->cm_flags |= AAC_CMD_DATAIN; (struct aac_sg_table64 *)cm->cm_sgtable = &bw->SgMap64; } } *cmp = cm; AAC_DPRINTF(AAC_D_CMD, ("\n")); return(0); fail: AAC_DPRINTF(AAC_D_CMD, ("\n")); return(ENOMEM); } /* * Handle a bio-instigated command that has been completed. */ void aac_bio_complete(struct aac_command *cm) { struct aac_blockread_response *brr; struct aac_blockwrite_response *bwr; struct scsi_xfer *xs = (struct scsi_xfer *)cm->cm_private; AAC_FSAStatus status; int s; AAC_DPRINTF(AAC_D_CMD, ("%s: bio complete\n", cm->cm_sc->aac_dev.dv_xname)); /* fetch relevant status and then release the command */ if (xs->flags & SCSI_DATA_IN) { brr = (struct aac_blockread_response *)&cm->cm_fib->data[0]; status = brr->Status; } else { bwr = (struct aac_blockwrite_response *)&cm->cm_fib->data[0]; status = bwr->Status; } s = splbio(); aac_release_command(cm); xs->error = status == ST_OK? XS_NOERROR : XS_DRIVER_STUFFUP; xs->resid = 0; xs->flags |= ITSDONE; scsi_done(xs); splx(s); } /* * Submit a command to the controller, return when it completes. * XXX This is very dangerous! If the card has gone out to lunch, we could * be stuck here forever. At the same time, signals are not caught * because there is a risk that a signal could wakeup the tsleep before * the card has a chance to complete the command. The passed in timeout * is ignored for the same reason. Since there is no way to cancel a * command in progress, we should probably create a 'dead' queue where * commands go that have been interrupted/timed-out/etc, that keeps them * out of the free pool. That way, if the card is just slow, it won't * spam the memory of a command that has been recycled. */ int aac_wait_command(struct aac_command *cm, int timeout) { struct aac_softc *sc = cm->cm_sc; int error = 0; AAC_DPRINTF(AAC_D_CMD, (": wait for command")); /* Put the command on the ready queue and get things going */ cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE; aac_enqueue_ready(cm); AAC_DPRINTF(AAC_D_CMD, ("\n")); aac_startio(sc); while (!(cm->cm_flags & AAC_CMD_COMPLETED) && (error != EWOULDBLOCK)) { AAC_DPRINTF(AAC_D_MISC, ("%s: sleeping until command done\n", sc->aac_dev.dv_xname)); AAC_LOCK_RELEASE(&sc->aac_io_lock); error = tsleep(cm, PRIBIO, "aacwait", timeout); AAC_LOCK_ACQUIRE(&sc->aac_io_lock); } return (error); } /* *Command Buffer Management */ /* * Allocate a command. */ int aac_alloc_command(struct aac_softc *sc, struct aac_command **cmp) { struct aac_command *cm; AAC_DPRINTF(AAC_D_CMD, (": allocate command")); if ((cm = aac_dequeue_free(sc)) == NULL) { AAC_DPRINTF(AAC_D_CMD, (" failed")); return (EBUSY); } *cmp = cm; return(0); } /* * Release a command back to the freelist. */ void aac_release_command(struct aac_command *cm) { AAC_DPRINTF(AAC_D_CMD, (": release command")); /* (re)initialise the command/FIB */ cm->cm_sgtable = NULL; cm->cm_flags = 0; cm->cm_complete = NULL; cm->cm_private = NULL; cm->cm_fib->Header.XferState = AAC_FIBSTATE_EMPTY; cm->cm_fib->Header.StructType = AAC_FIBTYPE_TFIB; cm->cm_fib->Header.Flags = 0; cm->cm_fib->Header.SenderSize = sizeof(struct aac_fib); /* * These are duplicated in aac_start to cover the case where an * intermediate stage may have destroyed them. They're left * initialised here for debugging purposes only. */ cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys; cm->cm_fib->Header.SenderData = 0; aac_enqueue_free(cm); } /* * Allocate and initialise commands/FIBs for this adapter. */ int aac_alloc_commands(struct aac_softc *sc) { struct aac_command *cm; struct aac_fibmap *fm; int i, error; if (sc->total_fibs + AAC_FIB_COUNT > sc->aac_max_fibs) return (ENOMEM); fm = malloc(sizeof(*fm), M_DEVBUF, M_NOWAIT | M_ZERO); if (fm == NULL) goto exit; /* allocate the FIBs in DMAable memory and load them */ if (bus_dmamem_alloc(sc->aac_dmat, AAC_FIBMAP_SIZE, PAGE_SIZE, 0, &fm->aac_seg, 1, &fm->aac_nsegs, BUS_DMA_NOWAIT)) { printf("%s: can't alloc FIBs\n", sc->aac_dev.dv_xname); error = ENOBUFS; goto exit_alloc; } if (bus_dmamem_map(sc->aac_dmat, &fm->aac_seg, 1, AAC_FIBMAP_SIZE, (caddr_t *)&fm->aac_fibs, BUS_DMA_NOWAIT)) { printf("%s: can't map FIB structure\n", sc->aac_dev.dv_xname); error = ENOBUFS; goto exit_map; } if (bus_dmamap_create(sc->aac_dmat, AAC_FIBMAP_SIZE, 1, AAC_FIBMAP_SIZE, 0, BUS_DMA_NOWAIT, &fm->aac_fibmap)) { printf("%s: can't create dma map\n", sc->aac_dev.dv_xname); error = ENOBUFS; goto exit_create; } if (bus_dmamap_load(sc->aac_dmat, fm->aac_fibmap, fm->aac_fibs, AAC_FIBMAP_SIZE, NULL, BUS_DMA_NOWAIT)) { printf("%s: can't load dma map\n", sc->aac_dev.dv_xname); error = ENOBUFS; goto exit_load; } /* initialise constant fields in the command structure */ AAC_LOCK_ACQUIRE(&sc->aac_io_lock); bzero(fm->aac_fibs, AAC_FIB_COUNT * sizeof(struct aac_fib)); for (i = 0; i < AAC_FIB_COUNT; i++) { cm = sc->aac_commands + sc->total_fibs; fm->aac_commands = cm; cm->cm_sc = sc; cm->cm_fib = fm->aac_fibs + i; cm->cm_fibphys = fm->aac_fibmap->dm_segs[0].ds_addr + (i * sizeof(struct aac_fib)); cm->cm_index = sc->total_fibs; if (bus_dmamap_create(sc->aac_dmat, MAXBSIZE, AAC_MAXSGENTRIES, MAXBSIZE, 0, BUS_DMA_NOWAIT, &cm->cm_datamap)) { break; } aac_release_command(cm); sc->total_fibs++; } if (i > 0) { TAILQ_INSERT_TAIL(&sc->aac_fibmap_tqh, fm, fm_link); AAC_DPRINTF(AAC_D_MISC, ("%s: total_fibs= %d\n", sc->aac_dev.dv_xname, sc->total_fibs)); AAC_LOCK_RELEASE(&sc->aac_io_lock); return (0); } exit_load: bus_dmamap_destroy(sc->aac_dmat, fm->aac_fibmap); exit_create: bus_dmamem_unmap(sc->aac_dmat, (caddr_t)fm->aac_fibs, AAC_FIBMAP_SIZE); exit_map: bus_dmamem_free(sc->aac_dmat, &fm->aac_seg, fm->aac_nsegs); exit_alloc: free(fm, M_DEVBUF); exit: AAC_LOCK_RELEASE(&sc->aac_io_lock); return (error); } /* * Free FIBs owned by this adapter. */ void aac_free_commands(struct aac_softc *sc) { struct aac_fibmap *fm; struct aac_command *cm; int i; while ((fm = TAILQ_FIRST(&sc->aac_fibmap_tqh)) != NULL) { TAILQ_REMOVE(&sc->aac_fibmap_tqh, fm, fm_link); /* * We check against total_fibs to handle partially * allocated blocks. */ for (i = 0; i < AAC_FIB_COUNT && sc->total_fibs--; i++) { cm = fm->aac_commands + i; bus_dmamap_destroy(sc->aac_dmat, cm->cm_datamap); } bus_dmamap_unload(sc->aac_dmat, fm->aac_fibmap); bus_dmamap_destroy(sc->aac_dmat, fm->aac_fibmap); bus_dmamem_unmap(sc->aac_dmat, (caddr_t)fm->aac_fibs, AAC_FIBMAP_SIZE); bus_dmamem_free(sc->aac_dmat, &fm->aac_seg, fm->aac_nsegs); free(fm, M_DEVBUF); } } /* * Command-mapping helper function - populate this command's s/g table. */ void aac_map_command_sg(void *arg, bus_dma_segment_t *segs, int nseg, int error) { struct aac_command *cm = arg; struct aac_softc *sc = cm->cm_sc; struct aac_fib *fib = cm->cm_fib; int i; /* copy into the FIB */ if (cm->cm_sgtable != NULL) { if ((cm->cm_sc->flags & AAC_FLAGS_SG_64BIT) == 0) { struct aac_sg_table *sg = cm->cm_sgtable; sg->SgCount = nseg; for (i = 0; i < nseg; i++) { sg->SgEntry[i].SgAddress = segs[i].ds_addr; sg->SgEntry[i].SgByteCount = segs[i].ds_len; } /* update the FIB size for the s/g count */ fib->Header.Size += nseg * sizeof(struct aac_sg_entry); } else { struct aac_sg_table64 *sg; sg = (struct aac_sg_table64 *)cm->cm_sgtable; sg->SgCount = nseg; for (i = 0; i < nseg; i++) { sg->SgEntry64[i].SgAddress = segs[i].ds_addr; sg->SgEntry64[i].SgByteCount = segs[i].ds_len; } /* update the FIB size for the s/g count */ fib->Header.Size += nseg*sizeof(struct aac_sg_entry64); } } /* Fix up the address values in the FIB. Use the command array index * instead of a pointer since these fields are only 32 bits. Shift * the SenderFibAddress over to make room for the fast response bit. */ cm->cm_fib->Header.SenderFibAddress = (cm->cm_index << 1); cm->cm_fib->Header.ReceiverFibAddress = cm->cm_fibphys; /* save a pointer to the command for speedy reverse-lookup */ cm->cm_fib->Header.SenderData = cm->cm_index; if (cm->cm_flags & AAC_CMD_DATAIN) bus_dmamap_sync(sc->aac_dmat, cm->cm_datamap, 0, cm->cm_datamap->dm_mapsize, BUS_DMASYNC_PREREAD); if (cm->cm_flags & AAC_CMD_DATAOUT) bus_dmamap_sync(sc->aac_dmat, cm->cm_datamap, 0, cm->cm_datamap->dm_mapsize, BUS_DMASYNC_PREWRITE); cm->cm_flags |= AAC_CMD_MAPPED; /* put the FIB on the outbound queue */ if (aac_enqueue_fib(sc, cm->cm_queue, cm) == EBUSY) { aac_remove_busy(cm); aac_unmap_command(cm); aac_requeue_ready(cm); } } /* * Unmap a command from controller-visible space. */ void aac_unmap_command(struct aac_command *cm) { struct aac_softc *sc = cm->cm_sc; if (!(cm->cm_flags & AAC_CMD_MAPPED)) return; if (cm->cm_datalen != 0) { if (cm->cm_flags & AAC_CMD_DATAIN) bus_dmamap_sync(sc->aac_dmat, cm->cm_datamap, 0, cm->cm_datamap->dm_mapsize, BUS_DMASYNC_POSTREAD); if (cm->cm_flags & AAC_CMD_DATAOUT) bus_dmamap_sync(sc->aac_dmat, cm->cm_datamap, 0, cm->cm_datamap->dm_mapsize, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->aac_dmat, cm->cm_datamap); } cm->cm_flags &= ~AAC_CMD_MAPPED; } /* * Hardware Interface */ /* * Initialise the adapter. */ int aac_check_firmware(struct aac_softc *sc) { u_int32_t major, minor, options; /* * Retrieve the firmware version numbers. Dell PERC2/QC cards with * firmware version 1.x are not compatible with this driver. */ if (sc->flags & AAC_FLAGS_PERC2QC) { if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0, NULL)) { printf("%s: Error reading firmware version\n", sc->aac_dev.dv_xname); return (EIO); } /* These numbers are stored as ASCII! */ major = (AAC_GET_MAILBOX(sc, 1) & 0xff) - 0x30; minor = (AAC_GET_MAILBOX(sc, 2) & 0xff) - 0x30; if (major == 1) { printf("%s: Firmware version %d.%d is not supported\n", sc->aac_dev.dv_xname, major, minor); return (EINVAL); } } /* * Retrieve the capabilities/supported options word so we know what * work-arounds to enable. */ if (aac_sync_command(sc, AAC_MONKER_GETINFO, 0, 0, 0, 0, NULL)) { printf("%s: RequestAdapterInfo failed\n", sc->aac_dev.dv_xname); return (EIO); } options = AAC_GET_MAILBOX(sc, 1); sc->supported_options = options; if ((options & AAC_SUPPORTED_4GB_WINDOW) != 0 && (sc->flags & AAC_FLAGS_NO4GB) == 0) sc->flags |= AAC_FLAGS_4GB_WINDOW; if (options & AAC_SUPPORTED_NONDASD) sc->flags |= AAC_FLAGS_ENABLE_CAM; if ((options & AAC_SUPPORTED_SGMAP_HOST64) != 0 && (sizeof(bus_addr_t) > 4)) { printf("%s: Enabling 64-bit address support\n", sc->aac_dev.dv_xname); sc->flags |= AAC_FLAGS_SG_64BIT; } /* Check for broken hardware that does a lower number of commands */ if ((sc->flags & AAC_FLAGS_256FIBS) == 0) sc->aac_max_fibs = AAC_MAX_FIBS; else sc->aac_max_fibs = 256; return (0); } int aac_init(struct aac_softc *sc) { bus_dma_segment_t seg; int nsegs; int i, error; int state = 0; struct aac_adapter_init *ip; time_t then; u_int32_t code, qoffset; /* * First wait for the adapter to come ready. */ then = time_uptime; for (i = 0; i < AAC_BOOT_TIMEOUT * 1000; i++) { code = AAC_GET_FWSTATUS(sc); if (code & AAC_SELF_TEST_FAILED) { printf("%s: FATAL: selftest failed\n", sc->aac_dev.dv_xname); return (ENXIO); } if (code & AAC_KERNEL_PANIC) { printf("%s: FATAL: controller kernel panic\n", sc->aac_dev.dv_xname); return (ENXIO); } if (code & AAC_UP_AND_RUNNING) break; DELAY(1000); } if (i == AAC_BOOT_TIMEOUT * 1000) { printf("%s: FATAL: controller not coming ready, status %x\n", sc->aac_dev.dv_xname, code); return (ENXIO); } /* * Work around a bug in the 2120 and 2200 that cannot DMA commands * below address 8192 in physical memory. * XXX If the padding is not needed, can it be put to use instead * of ignored? */ if (bus_dmamem_alloc(sc->aac_dmat, AAC_COMMON_ALLOCSIZE, PAGE_SIZE, 0, &seg, 1, &nsegs, BUS_DMA_NOWAIT)) { printf("%s: can't allocate common structure\n", sc->aac_dev.dv_xname); return (ENOMEM); } state++; if (bus_dmamem_map(sc->aac_dmat, &seg, nsegs, AAC_COMMON_ALLOCSIZE, (caddr_t *)&sc->aac_common, BUS_DMA_NOWAIT)) { printf("%s: can't map common structure\n", sc->aac_dev.dv_xname); error = ENOMEM; goto bail_out; } state++; if (bus_dmamap_create(sc->aac_dmat, AAC_COMMON_ALLOCSIZE, 1, AAC_COMMON_ALLOCSIZE, 0, BUS_DMA_NOWAIT, &sc->aac_common_map)) { printf("%s: can't create dma map\n", sc->aac_dev.dv_xname); error = ENOBUFS; goto bail_out; } state++; if (bus_dmamap_load(sc->aac_dmat, sc->aac_common_map, sc->aac_common, AAC_COMMON_ALLOCSIZE, NULL, BUS_DMA_NOWAIT)) { printf("%s: can't load dma map\n", sc->aac_dev.dv_xname); error = ENOBUFS; goto bail_out; } state++; sc->aac_common_busaddr = sc->aac_common_map->dm_segs[0].ds_addr; if (sc->aac_common_busaddr < 8192) { (uint8_t *)sc->aac_common += 8192; sc->aac_common_busaddr += 8192; } bzero(sc->aac_common, sizeof *sc->aac_common); /* Allocate some FIBs and associated command structs */ TAILQ_INIT(&sc->aac_fibmap_tqh); sc->aac_commands = malloc(AAC_MAX_FIBS * sizeof(struct aac_command), M_DEVBUF, M_WAITOK | M_ZERO); while (sc->total_fibs < AAC_MAX_FIBS) { if (aac_alloc_commands(sc) != 0) break; } if (sc->total_fibs == 0) goto out; /* * Fill in the init structure. This tells the adapter about the * physical location of various important shared data structures. */ ip = &sc->aac_common->ac_init; ip->InitStructRevision = AAC_INIT_STRUCT_REVISION; ip->MiniPortRevision = AAC_INIT_STRUCT_MINIPORT_REVISION; ip->AdapterFibsPhysicalAddress = sc->aac_common_busaddr + offsetof(struct aac_common, ac_fibs); ip->AdapterFibsVirtualAddress = 0; ip->AdapterFibsSize = AAC_ADAPTER_FIBS * sizeof(struct aac_fib); ip->AdapterFibAlign = sizeof(struct aac_fib); ip->PrintfBufferAddress = sc->aac_common_busaddr + offsetof(struct aac_common, ac_printf); ip->PrintfBufferSize = AAC_PRINTF_BUFSIZE; /* * The adapter assumes that pages are 4K in size, except on some * broken firmware versions that do the page->byte conversion twice, * therefore 'assuming' that this value is in 16MB units (2^24). * Round up since the granularity is so high. */ ip->HostPhysMemPages = ptoa(physmem) / AAC_PAGE_SIZE; if (sc->flags & AAC_FLAGS_BROKEN_MEMMAP) { ip->HostPhysMemPages = (ip->HostPhysMemPages + AAC_PAGE_SIZE) / AAC_PAGE_SIZE; } ip->HostElapsedSeconds = time_uptime; /* reset later if invalid */ /* * Initialise FIB queues. Note that it appears that the layout of the * indexes and the segmentation of the entries may be mandated by the * adapter, which is only told about the base of the queue index fields. * * The initial values of the indices are assumed to inform the adapter * of the sizes of the respective queues, and theoretically it could * work out the entire layout of the queue structures from this. We * take the easy route and just lay this area out like everyone else * does. * * The Linux driver uses a much more complex scheme whereby several * header records are kept for each queue. We use a couple of generic * list manipulation functions which 'know' the size of each list by * virtue of a table. */ qoffset = offsetof(struct aac_common, ac_qbuf) + AAC_QUEUE_ALIGN; qoffset &= ~(AAC_QUEUE_ALIGN - 1); sc->aac_queues = (struct aac_queue_table *)((caddr_t)sc->aac_common + qoffset); ip->CommHeaderAddress = sc->aac_common_busaddr + qoffset; sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] = AAC_HOST_NORM_CMD_ENTRIES; sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] = AAC_HOST_NORM_CMD_ENTRIES; sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] = AAC_HOST_HIGH_CMD_ENTRIES; sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] = AAC_HOST_HIGH_CMD_ENTRIES; sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] = AAC_ADAP_NORM_CMD_ENTRIES; sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] = AAC_ADAP_NORM_CMD_ENTRIES; sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] = AAC_ADAP_HIGH_CMD_ENTRIES; sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] = AAC_ADAP_HIGH_CMD_ENTRIES; sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]= AAC_HOST_NORM_RESP_ENTRIES; sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]= AAC_HOST_NORM_RESP_ENTRIES; sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]= AAC_HOST_HIGH_RESP_ENTRIES; sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]= AAC_HOST_HIGH_RESP_ENTRIES; sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]= AAC_ADAP_NORM_RESP_ENTRIES; sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]= AAC_ADAP_NORM_RESP_ENTRIES; sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]= AAC_ADAP_HIGH_RESP_ENTRIES; sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]= AAC_ADAP_HIGH_RESP_ENTRIES; sc->aac_qentries[AAC_HOST_NORM_CMD_QUEUE] = &sc->aac_queues->qt_HostNormCmdQueue[0]; sc->aac_qentries[AAC_HOST_HIGH_CMD_QUEUE] = &sc->aac_queues->qt_HostHighCmdQueue[0]; sc->aac_qentries[AAC_ADAP_NORM_CMD_QUEUE] = &sc->aac_queues->qt_AdapNormCmdQueue[0]; sc->aac_qentries[AAC_ADAP_HIGH_CMD_QUEUE] = &sc->aac_queues->qt_AdapHighCmdQueue[0]; sc->aac_qentries[AAC_HOST_NORM_RESP_QUEUE] = &sc->aac_queues->qt_HostNormRespQueue[0]; sc->aac_qentries[AAC_HOST_HIGH_RESP_QUEUE] = &sc->aac_queues->qt_HostHighRespQueue[0]; sc->aac_qentries[AAC_ADAP_NORM_RESP_QUEUE] = &sc->aac_queues->qt_AdapNormRespQueue[0]; sc->aac_qentries[AAC_ADAP_HIGH_RESP_QUEUE] = &sc->aac_queues->qt_AdapHighRespQueue[0]; /* * Do controller-type-specific initialisation */ switch (sc->aac_hwif) { case AAC_HWIF_I960RX: AAC_SETREG4(sc, AAC_RX_ODBR, ~0); break; case AAC_HWIF_RKT: AAC_SETREG4(sc, AAC_RKT_ODBR, ~0); break; default: break; } /* * Give the init structure to the controller. */ if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT, sc->aac_common_busaddr + offsetof(struct aac_common, ac_init), 0, 0, 0, NULL)) { printf("%s: error establishing init structure\n", sc->aac_dev.dv_xname); error = EIO; goto bail_out; } aac_describe_controller(sc); aac_startup(sc); return (0); bail_out: if (state > 3) bus_dmamap_unload(sc->aac_dmat, sc->aac_common_map); if (state > 2) bus_dmamap_destroy(sc->aac_dmat, sc->aac_common_map); if (state > 1) bus_dmamem_unmap(sc->aac_dmat, (caddr_t)sc->aac_common, sizeof *sc->aac_common); if (state > 0) bus_dmamem_free(sc->aac_dmat, &seg, 1); out: return (error); } /* * Send a synchronous command to the controller and wait for a result. */ int aac_sync_command(struct aac_softc *sc, u_int32_t command, u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3, u_int32_t *sp) { // time_t then; int i; u_int32_t status; u_int16_t reason; /* populate the mailbox */ AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3); /* ensure the sync command doorbell flag is cleared */ AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND); /* then set it to signal the adapter */ AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND); #if 0 /* spin waiting for the command to complete */ then = time_uptime; do { if (time_uptime > (then + AAC_IMMEDIATE_TIMEOUT)) { AAC_DPRINTF(AAC_D_MISC, ("timed out")); return(EIO); } } while (!(AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND)); #else DELAY(AAC_SYNC_DELAY); /* spin waiting for the command to complete */ for (i = 0; i < AAC_IMMEDIATE_TIMEOUT * 1000; i++) { reason = AAC_GET_ISTATUS(sc); if (reason & AAC_DB_SYNC_COMMAND) break; reason = AAC_GET_ISTATUS(sc); if (reason & AAC_DB_SYNC_COMMAND) break; reason = AAC_GET_ISTATUS(sc); if (reason & AAC_DB_SYNC_COMMAND) break; DELAY(1000); } if (i == AAC_IMMEDIATE_TIMEOUT * 1000) { printf("aac_sync_command: failed, reason=%#x\n", reason); return (EIO); } #endif /* clear the completion flag */ AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND); /* get the command status */ status = AAC_GET_MAILBOX(sc, 0); if (sp != NULL) *sp = status; return(0); } /* * Grab the sync fib area. */ int aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib, int flags) { /* * If the force flag is set, the system is shutting down, or in * trouble. Ignore the mutex. */ if (!(flags & AAC_SYNC_LOCK_FORCE)) AAC_LOCK_ACQUIRE(&sc->aac_sync_lock); *fib = &sc->aac_common->ac_sync_fib; return (1); } /* * Release the sync fib area. */ void aac_release_sync_fib(struct aac_softc *sc) { AAC_LOCK_RELEASE(&sc->aac_sync_lock); } /* * Send a synchronous FIB to the controller and wait for a result. */ int aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate, struct aac_fib *fib, u_int16_t datasize) { if (datasize > AAC_FIB_DATASIZE) { printf("aac_sync_fib 1: datasize=%d AAC_FIB_DATASIZE %lu\n", datasize, AAC_FIB_DATASIZE); return(EINVAL); } /* * Set up the sync FIB */ fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED | AAC_FIBSTATE_INITIALISED | AAC_FIBSTATE_EMPTY; fib->Header.XferState |= xferstate; fib->Header.Command = command; fib->Header.StructType = AAC_FIBTYPE_TFIB; fib->Header.Size = sizeof(struct aac_fib) + datasize; fib->Header.SenderSize = sizeof(struct aac_fib); fib->Header.SenderFibAddress = 0; /* Not needed */ fib->Header.ReceiverFibAddress = sc->aac_common_busaddr + offsetof(struct aac_common, ac_sync_fib); /* * Give the FIB to the controller, wait for a response. */ if (aac_sync_command(sc, AAC_MONKER_SYNCFIB, fib->Header.ReceiverFibAddress, 0, 0, 0, NULL)) { AAC_DPRINTF(AAC_D_IO, ("%s: aac_sync_fib: IO error\n", sc->aac_dev.dv_xname)); printf("aac_sync_fib 2\n"); return(EIO); } return (0); } /***************************************************************************** * Adapter-space FIB queue manipulation * * Note that the queue implementation here is a little funky; neither the PI or * CI will ever be zero. This behaviour is a controller feature. */ static struct { int size; int notify; } aac_qinfo[] = { { AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL }, { AAC_HOST_HIGH_CMD_ENTRIES, 0 }, { AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY }, { AAC_ADAP_HIGH_CMD_ENTRIES, 0 }, { AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL }, { AAC_HOST_HIGH_RESP_ENTRIES, 0 }, { AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY }, { AAC_ADAP_HIGH_RESP_ENTRIES, 0 } }; /* * Atomically insert an entry into the nominated queue, returns 0 on success * or EBUSY if the queue is full. * * Note: it would be more efficient to defer notifying the controller in * the case where we may be inserting several entries in rapid * succession, but implementing this usefully may be difficult * (it would involve a separate queue/notify interface). */ int aac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_command *cm) { u_int32_t pi, ci; int error; u_int32_t fib_size; u_int32_t fib_addr; fib_size = cm->cm_fib->Header.Size; fib_addr = cm->cm_fib->Header.ReceiverFibAddress; /* get the producer/consumer indices */ pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]; ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]; /* wrap the queue? */ if (pi >= aac_qinfo[queue].size) pi = 0; /* check for queue full */ if ((pi + 1) == ci) { error = EBUSY; goto out; } /* populate queue entry */ (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size; (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr; /* update producer index */ sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1; /* * To avoid a race with its completion interrupt, place this command on * the busy queue prior to advertising it to the controller. */ aac_enqueue_busy(cm); /* notify the adapter if we know how */ if (aac_qinfo[queue].notify != 0) AAC_QNOTIFY(sc, aac_qinfo[queue].notify); error = 0; out: return (error); } /* * Atomically remove one entry from the nominated queue, returns 0 on success * or ENOENT if the queue is empty. */ int aac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size, struct aac_fib **fib_addr) { u_int32_t pi, ci; u_int32_t fib_index; int notify; int error; /* get the producer/consumer indices */ pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]; ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]; /* check for queue empty */ if (ci == pi) { error = ENOENT; goto out; } /* wrap the pi so the following test works */ if (pi >= aac_qinfo[queue].size) pi = 0; notify = 0; if (ci == pi + 1) notify++; /* wrap the queue? */ if (ci >= aac_qinfo[queue].size) ci = 0; /* fetch the entry */ *fib_size = (sc->aac_qentries[queue] + ci)->aq_fib_size; switch (queue) { case AAC_HOST_NORM_CMD_QUEUE: case AAC_HOST_HIGH_CMD_QUEUE: /* * The aq_fib_addr is only 32 bits wide so it can't be counted * on to hold an address. For AIF's, the adapter assumes * that it's giving us an address into the array of AIF fibs. * Therefore, we have to convert it to an index. */ fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr / sizeof(struct aac_fib); *fib_addr = &sc->aac_common->ac_fibs[fib_index]; break; case AAC_HOST_NORM_RESP_QUEUE: case AAC_HOST_HIGH_RESP_QUEUE: { struct aac_command *cm; /* * As above, an index is used instead of an actual address. * Gotta shift the index to account for the fast response * bit. No other correction is needed since this value was * originally provided by the driver via the SenderFibAddress * field. */ fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr; cm = sc->aac_commands + (fib_index >> 1); *fib_addr = cm->cm_fib; /* * Is this a fast response? If it is, update the fib fields in * local memory since the whole fib isn't DMA'd back up. */ if (fib_index & 0x01) { (*fib_addr)->Header.XferState |= AAC_FIBSTATE_DONEADAP; *((u_int32_t*)((*fib_addr)->data)) = AAC_ERROR_NORMAL; } break; } default: panic("Invalid queue in aac_dequeue_fib()"); break; } /* update consumer index */ sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1; /* if we have made the queue un-full, notify the adapter */ if (notify && (aac_qinfo[queue].notify != 0)) AAC_QNOTIFY(sc, aac_qinfo[queue].notify); error = 0; out: return (error); } /* * Put our response to an Adapter Initialed Fib on the response queue */ int aac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib) { u_int32_t pi, ci; int error; u_int32_t fib_size; u_int32_t fib_addr; /* Tell the adapter where the FIB is */ fib_size = fib->Header.Size; fib_addr = fib->Header.SenderFibAddress; fib->Header.ReceiverFibAddress = fib_addr; /* get the producer/consumer indices */ pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]; ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]; /* wrap the queue? */ if (pi >= aac_qinfo[queue].size) pi = 0; /* check for queue full */ if ((pi + 1) == ci) { error = EBUSY; goto out; } /* populate queue entry */ (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size; (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr; /* update producer index */ sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1; /* notify the adapter if we know how */ if (aac_qinfo[queue].notify != 0) AAC_QNOTIFY(sc, aac_qinfo[queue].notify); error = 0; out: return(error); } void aac_command_timeout(struct aac_command *cm) { struct aac_softc *sc = cm->cm_sc; printf("%s: COMMAND %p (flags=%#x) TIMEOUT AFTER %d SECONDS\n", sc->aac_dev.dv_xname, cm, cm->cm_flags, (int)(time_uptime - cm->cm_timestamp)); if (cm->cm_flags & AAC_CMD_TIMEDOUT) return; cm->cm_flags |= AAC_CMD_TIMEDOUT; AAC_PRINT_FIB(sc, cm->cm_fib); if (cm->cm_flags & AAC_ON_AACQ_BIO) { struct scsi_xfer *xs = cm->cm_private; int s = splbio(); xs->error = XS_DRIVER_STUFFUP; xs->flags |= ITSDONE; scsi_done(xs); splx(s); aac_remove_bio(cm); aac_unmap_command(cm); } } void aac_timeout(struct aac_softc *sc) { struct aac_command *cm; time_t deadline; /* * Traverse the busy command list and timeout any commands * that are past their deadline. */ deadline = time_uptime - AAC_CMD_TIMEOUT; TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) { if (cm->cm_timestamp < deadline) aac_command_timeout(cm); } } /* * Interface Function Vectors */ /* * Read the current firmware status word. */ int aac_sa_get_fwstatus(struct aac_softc *sc) { return (AAC_GETREG4(sc, AAC_SA_FWSTATUS)); } int aac_rx_get_fwstatus(struct aac_softc *sc) { return (AAC_GETREG4(sc, AAC_RX_FWSTATUS)); } int aac_fa_get_fwstatus(struct aac_softc *sc) { return (AAC_GETREG4(sc, AAC_FA_FWSTATUS)); } int aac_rkt_get_fwstatus(struct aac_softc *sc) { return(AAC_GETREG4(sc, AAC_RKT_FWSTATUS)); } /* * Notify the controller of a change in a given queue */ void aac_sa_qnotify(struct aac_softc *sc, int qbit) { AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit); } void aac_rx_qnotify(struct aac_softc *sc, int qbit) { AAC_SETREG4(sc, AAC_RX_IDBR, qbit); } void aac_fa_qnotify(struct aac_softc *sc, int qbit) { AAC_SETREG2(sc, AAC_FA_DOORBELL1, qbit); AAC_FA_HACK(sc); } void aac_rkt_qnotify(struct aac_softc *sc, int qbit) { AAC_SETREG4(sc, AAC_RKT_IDBR, qbit); } /* * Get the interrupt reason bits */ int aac_sa_get_istatus(struct aac_softc *sc) { return (AAC_GETREG2(sc, AAC_SA_DOORBELL0)); } int aac_rx_get_istatus(struct aac_softc *sc) { return (AAC_GETREG4(sc, AAC_RX_ODBR)); } int aac_fa_get_istatus(struct aac_softc *sc) { return (AAC_GETREG2(sc, AAC_FA_DOORBELL0)); } int aac_rkt_get_istatus(struct aac_softc *sc) { return(AAC_GETREG4(sc, AAC_RKT_ODBR)); } /* * Clear some interrupt reason bits */ void aac_sa_clear_istatus(struct aac_softc *sc, int mask) { AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask); } void aac_rx_clear_istatus(struct aac_softc *sc, int mask) { AAC_SETREG4(sc, AAC_RX_ODBR, mask); } void aac_fa_clear_istatus(struct aac_softc *sc, int mask) { AAC_SETREG2(sc, AAC_FA_DOORBELL0_CLEAR, mask); AAC_FA_HACK(sc); } void aac_rkt_clear_istatus(struct aac_softc *sc, int mask) { AAC_SETREG4(sc, AAC_RKT_ODBR, mask); } /* * Populate the mailbox and set the command word */ void aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) { AAC_SETREG4(sc, AAC_SA_MAILBOX, command); AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0); AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1); AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2); AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3); } void aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) { AAC_SETREG4(sc, AAC_RX_MAILBOX, command); AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0); AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1); AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2); AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3); } void aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) { AAC_SETREG4(sc, AAC_FA_MAILBOX, command); AAC_FA_HACK(sc); AAC_SETREG4(sc, AAC_FA_MAILBOX + 4, arg0); AAC_FA_HACK(sc); AAC_SETREG4(sc, AAC_FA_MAILBOX + 8, arg1); AAC_FA_HACK(sc); AAC_SETREG4(sc, AAC_FA_MAILBOX + 12, arg2); AAC_FA_HACK(sc); AAC_SETREG4(sc, AAC_FA_MAILBOX + 16, arg3); AAC_FA_HACK(sc); } void aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) { AAC_SETREG4(sc, AAC_RKT_MAILBOX, command); AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0); AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1); AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2); AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3); } /* * Fetch the immediate command status word */ int aac_sa_get_mailbox(struct aac_softc *sc, int mb) { return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4))); } int aac_rx_get_mailbox(struct aac_softc *sc, int mb) { return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4))); } int aac_fa_get_mailbox(struct aac_softc *sc, int mb) { return (AAC_GETREG4(sc, AAC_FA_MAILBOX + (mb * 4))); } int aac_rkt_get_mailbox(struct aac_softc *sc, int mb) { return(AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4))); } /* * Set/clear interrupt masks */ void aac_sa_set_interrupts(struct aac_softc *sc, int enable) { AAC_DPRINTF(AAC_D_INTR, ("%s: %sable interrupts\n", sc->aac_dev.dv_xname, enable ? "en" : "dis")); if (enable) AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS); else AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0); } void aac_rx_set_interrupts(struct aac_softc *sc, int enable) { AAC_DPRINTF(AAC_D_INTR, ("%s: %sable interrupts", sc->aac_dev.dv_xname, enable ? "en" : "dis")); if (enable) AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS); else AAC_SETREG4(sc, AAC_RX_OIMR, ~0); } void aac_fa_set_interrupts(struct aac_softc *sc, int enable) { AAC_DPRINTF(AAC_D_INTR, ("%s: %sable interrupts", sc->aac_dev.dv_xname, enable ? "en" : "dis")); if (enable) { AAC_SETREG2((sc), AAC_FA_MASK0_CLEAR, AAC_DB_INTERRUPTS); AAC_FA_HACK(sc); } else { AAC_SETREG2((sc), AAC_FA_MASK0, ~0); AAC_FA_HACK(sc); } } void aac_rkt_set_interrupts(struct aac_softc *sc, int enable) { AAC_DPRINTF(AAC_D_INTR, ("%s: %sable interrupts", sc->aac_dev.dv_xname, enable ? "en" : "dis")); if (enable) AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS); else AAC_SETREG4(sc, AAC_RKT_OIMR, ~0); } void aac_eval_mapping(size, cyls, heads, secs) u_int32_t size; int *cyls, *heads, *secs; { *cyls = size / AAC_HEADS / AAC_SECS; if (*cyls < AAC_MAXCYLS) { *heads = AAC_HEADS; *secs = AAC_SECS; } else { /* Too high for 64 * 32 */ *cyls = size / AAC_MEDHEADS / AAC_MEDSECS; if (*cyls < AAC_MAXCYLS) { *heads = AAC_MEDHEADS; *secs = AAC_MEDSECS; } else { /* Too high for 127 * 63 */ *cyls = size / AAC_BIGHEADS / AAC_BIGSECS; *heads = AAC_BIGHEADS; *secs = AAC_BIGSECS; } } } void aac_copy_internal_data(struct scsi_xfer *xs, u_int8_t *data, size_t size) { struct aac_softc *sc = xs->sc_link->adapter_softc; size_t copy_cnt; AAC_DPRINTF(AAC_D_MISC, ("%s: aac_copy_internal_data\n", sc->aac_dev.dv_xname)); if (!xs->datalen) printf("%s: uio move not yet supported\n", sc->aac_dev.dv_xname); else { copy_cnt = MIN(size, xs->datalen); bcopy(data, xs->data, copy_cnt); } } /* Emulated SCSI operation on cache device */ void aac_internal_cache_cmd(struct scsi_xfer *xs) { struct scsi_link *link = xs->sc_link; struct aac_softc *sc = link->adapter_softc; struct scsi_inquiry_data inq; struct scsi_sense_data sd; struct scsi_read_cap_data rcd; u_int8_t target = link->target; AAC_DPRINTF(AAC_D_CMD, ("aac_internal_cache_cmd: ", sc->aac_dev.dv_xname)); switch (xs->cmd->opcode) { case TEST_UNIT_READY: case START_STOP: #if 0 case VERIFY: #endif AAC_DPRINTF(AAC_D_CMD, ("opc %#x tgt %d ", xs->cmd->opcode, target)); break; case REQUEST_SENSE: AAC_DPRINTF(AAC_D_CMD, ("REQUEST SENSE tgt %d ", target)); bzero(&sd, sizeof sd); sd.error_code = 0x70; sd.segment = 0; sd.flags = SKEY_NO_SENSE; aac_enc32(sd.info, 0); sd.extra_len = 0; aac_copy_internal_data(xs, (u_int8_t *)&sd, sizeof sd); break; case INQUIRY: AAC_DPRINTF(AAC_D_CMD, ("INQUIRY tgt %d devtype %x ", target, sc->aac_hdr[target].hd_devtype)); bzero(&inq, sizeof inq); /* XXX How do we detect removable/CD-ROM devices? */ inq.device = T_DIRECT; inq.dev_qual2 = 0; inq.version = 2; inq.response_format = 2; inq.additional_length = 32; strlcpy(inq.vendor, "Adaptec", sizeof inq.vendor); snprintf(inq.product, sizeof inq.product, "Container #%02d", target); strlcpy(inq.revision, " ", sizeof inq.revision); aac_copy_internal_data(xs, (u_int8_t *)&inq, sizeof inq); break; case READ_CAPACITY: AAC_DPRINTF(AAC_D_CMD, ("READ CAPACITY tgt %d ", target)); bzero(&rcd, sizeof rcd); _lto4b(sc->aac_hdr[target].hd_size - 1, rcd.addr); _lto4b(AAC_BLOCK_SIZE, rcd.length); aac_copy_internal_data(xs, (u_int8_t *)&rcd, sizeof rcd); break; default: AAC_DPRINTF(AAC_D_CMD, ("\n")); printf("aac_internal_cache_cmd got bad opcode: %#x\n", xs->cmd->opcode); xs->error = XS_DRIVER_STUFFUP; return; } xs->error = XS_NOERROR; } void aacminphys(struct buf *bp, struct scsi_link *sl) { #if 0 u_int8_t *buf = bp->b_data; paddr_t pa; long off; #endif AAC_DPRINTF(AAC_D_MISC, ("aacminphys(0x%x)\n", bp)); #if 0 /* As this is way more than MAXPHYS it's really not necessary. */ if (bp->b_bcount > ((AAC_MAXOFFSETS - 1) * PAGE_SIZE)) bp->b_bcount = ((AAC_MAXOFFSETS - 1) * PAGE_SIZE); #endif #if 0 for (off = PAGE_SIZE, pa = vtophys(buf); off < bp->b_bcount; off += PAGE_SIZE) if (pa + off != vtophys(buf + off)) { bp->b_bcount = off; break; } #endif minphys(bp); } #if 0 int aac_raw_scsi_cmd(struct scsi_xfer *xs) { #ifdef AAC_DEBUG struct aac_softc *sc = xs->sc_link->adapter_softc; #endif int s; AAC_DPRINTF(AAC_D_CMD, ("%s: aac_raw_scsi_cmd\n", sc->aac_dev.dv_xname)); /* XXX Not yet implemented */ xs->error = XS_DRIVER_STUFFUP; xs->flags |= ITSDONE; s = splbio(); scsi_done(xs); splx(s); return (COMPLETE); } #endif int aac_scsi_cmd(struct scsi_xfer *xs) { struct scsi_link *link = xs->sc_link; struct aac_softc *sc = link->adapter_softc; u_int8_t target = link->target; struct aac_command *cm; u_int32_t blockno, blockcnt; struct scsi_rw *rw; struct scsi_rw_big *rwb; int retval = SUCCESSFULLY_QUEUED; int s = splbio(); xs->error = XS_NOERROR; if (target >= AAC_MAX_CONTAINERS || !sc->aac_hdr[target].hd_present || link->lun != 0) { /* * XXX Should be XS_SENSE but that would require setting up a * faked sense too. */ xs->error = XS_DRIVER_STUFFUP; xs->flags |= ITSDONE; scsi_done(xs); splx(s); return (COMPLETE); } AAC_DPRINTF(AAC_D_CMD, ("%s: aac_scsi_cmd: ", sc->aac_dev.dv_xname)); xs->error = XS_NOERROR; cm = NULL; link = xs->sc_link; target = link->target; switch (xs->cmd->opcode) { case TEST_UNIT_READY: case REQUEST_SENSE: case INQUIRY: case START_STOP: case READ_CAPACITY: #if 0 case VERIFY: #endif aac_internal_cache_cmd(xs); xs->flags |= ITSDONE; scsi_done(xs); goto ready; case PREVENT_ALLOW: AAC_DPRINTF(AAC_D_CMD, ("PREVENT/ALLOW ")); /* XXX Not yet implemented */ xs->error = XS_NOERROR; xs->flags |= ITSDONE; scsi_done(xs); goto ready; case SYNCHRONIZE_CACHE: AAC_DPRINTF(AAC_D_CMD, ("SYNCHRONIZE_CACHE ")); /* XXX Not yet implemented */ xs->error = XS_NOERROR; xs->flags |= ITSDONE; scsi_done(xs); goto ready; default: AAC_DPRINTF(AAC_D_CMD, ("unknown opc %#x ", xs->cmd->opcode)); /* XXX Not yet implemented */ xs->error = XS_DRIVER_STUFFUP; xs->flags |= ITSDONE; scsi_done(xs); goto ready; case READ_COMMAND: case READ_BIG: case WRITE_COMMAND: case WRITE_BIG: AAC_DPRINTF(AAC_D_CMD, ("rw opc %#x ", xs->cmd->opcode)); /* A read or write operation. */ if (xs->cmdlen == 6) { rw = (struct scsi_rw *)xs->cmd; blockno = _3btol(rw->addr) & (SRW_TOPADDR << 16 | 0xffff); blockcnt = rw->length ? rw->length : 0x100; } else { rwb = (struct scsi_rw_big *)xs->cmd; blockno = _4btol(rwb->addr); blockcnt = _2btol(rwb->length); } AAC_DPRINTF(AAC_D_CMD, ("blkno=%d bcount=%d ", xs->cmd->opcode, blockno, blockcnt)); if (blockno >= sc->aac_hdr[target].hd_size || blockno + blockcnt > sc->aac_hdr[target].hd_size) { AAC_DPRINTF(AAC_D_CMD, ("\n")); printf("%s: out of bounds %u-%u >= %u\n", sc->aac_dev.dv_xname, blockno, blockcnt, sc->aac_hdr[target].hd_size); /* * XXX Should be XS_SENSE but that * would require setting up a faked * sense too. */ xs->error = XS_DRIVER_STUFFUP; xs->flags |= ITSDONE; scsi_done(xs); goto ready; } if (aac_alloc_command(sc, &cm)) { AAC_DPRINTF(AAC_D_CMD, (": out of commands, try later\n")); /* * We are out of commands, try again * in a little while. */ splx(s); return (NO_CCB); } /* fill out the command */ cm->cm_data = (void *)xs->data; cm->cm_datalen = xs->datalen; cm->cm_complete = aac_bio_complete; cm->cm_private = xs; cm->cm_timestamp = time_uptime; cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE; cm->cm_blkno = blockno; cm->cm_bcount = blockcnt; AAC_DPRINTF(AAC_D_CMD, ("\n")); aac_enqueue_bio(cm); aac_startio(sc); /* XXX what if enqueue did not start a transfer? */ if (xs->flags & SCSI_POLL) { if (!aac_wait_command(cm, xs->timeout)) { printf("%s: command timed out\n", sc->aac_dev.dv_xname); splx(s); return (TRY_AGAIN_LATER); } xs->flags |= ITSDONE; scsi_done(xs); } } ready: /* * Don't process the queue if we are polling. */ if (xs->flags & SCSI_POLL) retval = COMPLETE; splx(s); AAC_DPRINTF(AAC_D_CMD, ("%s: scsi_cmd complete\n", sc->aac_dev.dv_xname)); return (retval); } /* * Debugging and Diagnostics */ /* * Print some information about the controller. */ void aac_describe_controller(struct aac_softc *sc) { struct aac_fib *fib; struct aac_adapter_info *info; aac_alloc_sync_fib(sc, &fib, 0); fib->data[0] = 0; if (aac_sync_fib(sc, RequestAdapterInfo, 0, fib, 1)) { printf("%s: RequestAdapterInfo failed 2\n", sc->aac_dev.dv_xname); aac_release_sync_fib(sc); return; } info = (struct aac_adapter_info *)&fib->data[0]; printf("%s: %s %dMHz, %dMB cache memory, %s\n", sc->aac_dev.dv_xname, aac_describe_code(aac_cpu_variant, info->CpuVariant), info->ClockSpeed, info->BufferMem / (1024 * 1024), aac_describe_code(aac_battery_platform, info->batteryPlatform)); /* save the kernel revision structure for later use */ sc->aac_revision = info->KernelRevision; printf("%s: Kernel %d.%d-%d, Build %d, S/N %6X\n", sc->aac_dev.dv_xname, info->KernelRevision.external.comp.major, info->KernelRevision.external.comp.minor, info->KernelRevision.external.comp.dash, info->KernelRevision.buildNumber, (u_int32_t)(info->SerialNumber & 0xffffff)); aac_release_sync_fib(sc); #if 0 if (1 || bootverbose) { device_printf(sc->aac_dev, "Supported Options=%b\n", sc->supported_options, "\20" "\1SNAPSHOT" "\2CLUSTERS" "\3WCACHE" "\4DATA64" "\5HOSTTIME" "\6RAID50" "\7WINDOW4GB" "\10SCSIUPGD" "\11SOFTERR" "\12NORECOND" "\13SGMAP64" "\14ALARM" "\15NONDASD"); } #endif } /* * Look up a text description of a numeric error code and return a pointer to * same. */ char * aac_describe_code(struct aac_code_lookup *table, u_int32_t code) { int i; for (i = 0; table[i].string != NULL; i++) if (table[i].code == code) return(table[i].string); return(table[i + 1].string); } #ifdef AAC_DEBUG /* * Print a FIB */ void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, const char *caller) { printf("%s: FIB @ %p\n", caller, fib); printf(" XferState %b\n", fib->Header.XferState, "\20" "\1HOSTOWNED" "\2ADAPTEROWNED" "\3INITIALISED" "\4EMPTY" "\5FROMPOOL" "\6FROMHOST" "\7FROMADAP" "\10REXPECTED" "\11RNOTEXPECTED" "\12DONEADAP" "\13DONEHOST" "\14HIGH" "\15NORM" "\16ASYNC" "\17PAGEFILEIO" "\20SHUTDOWN" "\21LAZYWRITE" "\22ADAPMICROFIB" "\23BIOSFIB" "\24FAST_RESPONSE" "\25APIFIB\n"); printf(" Command %d\n", fib->Header.Command); printf(" StructType %d\n", fib->Header.StructType); printf(" Flags 0x%x\n", fib->Header.Flags); printf(" Size %d\n", fib->Header.Size); printf(" SenderSize %d\n", fib->Header.SenderSize); printf(" SenderAddress 0x%x\n", fib->Header.SenderFibAddress); printf(" ReceiverAddress 0x%x\n", fib->Header.ReceiverFibAddress); printf(" SenderData 0x%x\n", fib->Header.SenderData); switch(fib->Header.Command) { case ContainerCommand: { struct aac_blockread *br = (struct aac_blockread *)fib->data; struct aac_blockwrite *bw = (struct aac_blockwrite *)fib->data; struct aac_sg_table *sg = NULL; int i; if (br->Command == VM_CtBlockRead) { printf(" BlockRead: container %d 0x%x/%d\n", br->ContainerId, br->BlockNumber, br->ByteCount); sg = &br->SgMap; } if (bw->Command == VM_CtBlockWrite) { printf(" BlockWrite: container %d 0x%x/%d (%s)\n", bw->ContainerId, bw->BlockNumber, bw->ByteCount, bw->Stable == CSTABLE ? "stable" : "unstable"); sg = &bw->SgMap; } if (sg != NULL) { printf(" %d s/g entries\n", sg->SgCount); for (i = 0; i < sg->SgCount; i++) printf(" 0x%08x/%d\n", sg->SgEntry[i].SgAddress, sg->SgEntry[i].SgByteCount); } break; } default: printf(" %16D\n", fib->data, " "); printf(" %16D\n", fib->data + 16, " "); break; } } /* * Describe an AIF we have received. */ void aac_print_aif(struct aac_softc *sc, struct aac_aif_command *aif) { printf("%s: print_aif: ", sc->aac_dev.dv_xname); switch(aif->command) { case AifCmdEventNotify: printf("EventNotify(%d)\n", aif->seqNumber); switch(aif->data.EN.type) { case AifEnGeneric: /* Generic notification */ printf("\t(Generic) %.*s\n", (int)sizeof(aif->data.EN.data.EG), aif->data.EN.data.EG.text); break; case AifEnTaskComplete: /* Task has completed */ printf("\t(TaskComplete)\n"); break; case AifEnConfigChange: /* Adapter configuration change occurred */ printf("\t(ConfigChange)\n"); break; case AifEnContainerChange: /* Adapter specific container configuration change */ printf("\t(ContainerChange) container %d,%d\n", aif->data.EN.data.ECC.container[0], aif->data.EN.data.ECC.container[1]); break; case AifEnDeviceFailure: /* SCSI device failed */ printf("\t(DeviceFailure) handle %d\n", aif->data.EN.data.EDF.deviceHandle); break; case AifEnMirrorFailover: /* Mirror failover started */ printf("\t(MirrorFailover) container %d failed, " "migrating from slice %d to %d\n", aif->data.EN.data.EMF.container, aif->data.EN.data.EMF.failedSlice, aif->data.EN.data.EMF.creatingSlice); break; case AifEnContainerEvent: /* Significant container event */ printf("\t(ContainerEvent) container %d event %d\n", aif->data.EN.data.ECE.container, aif->data.EN.data.ECE.eventType); break; case AifEnFileSystemChange: /* File system changed */ printf("\t(FileSystemChange)\n"); break; case AifEnConfigPause: /* Container pause event */ printf("\t(ConfigPause)\n"); break; case AifEnConfigResume: /* Container resume event */ printf("\t(ConfigResume)\n"); break; case AifEnFailoverChange: /* Failover space assignment changed */ printf("\t(FailoverChange)\n"); break; case AifEnRAID5RebuildDone: /* RAID5 rebuild finished */ printf("\t(RAID5RebuildDone)\n"); break; case AifEnEnclosureManagement: /* Enclosure management event */ printf("\t(EnclosureManagement) EMPID %d unit %d " "event %d\n", aif->data.EN.data.EEE.empID, aif->data.EN.data.EEE.unitID, aif->data.EN.data.EEE.eventType); break; case AifEnBatteryEvent: /* Significant NV battery event */ printf("\t(BatteryEvent) %d (state was %d, is %d\n", aif->data.EN.data.EBE.transition_type, aif->data.EN.data.EBE.current_state, aif->data.EN.data.EBE.prior_state); break; case AifEnAddContainer: /* A new container was created. */ printf("\t(AddContainer)\n"); break; case AifEnDeleteContainer: /* A container was deleted. */ printf("\t(DeleteContainer)\n"); break; case AifEnBatteryNeedsRecond: /* The battery needs reconditioning */ printf("\t(BatteryNeedsRecond)\n"); break; case AifEnClusterEvent: /* Some cluster event */ printf("\t(ClusterEvent) event %d\n", aif->data.EN.data.ECLE.eventType); break; case AifEnDiskSetEvent: /* A disk set event occured. */ printf("(DiskSetEvent) event %d " "diskset %lld creator %lld\n", aif->data.EN.data.EDS.eventType, aif->data.EN.data.EDS.DsNum, aif->data.EN.data.EDS.CreatorId); break; case AifDenMorphComplete: /* A morph operation completed */ printf("\t(MorphComplete)\n"); break; case AifDenVolumeExtendComplete: /* A volume expand operation completed */ printf("\t(VolumeExtendComplete)\n"); break; default: printf("\t(%d)\n", aif->data.EN.type); break; } break; case AifCmdJobProgress: { char *status; switch(aif->data.PR[0].status) { case AifJobStsSuccess: status = "success"; break; case AifJobStsFinished: status = "finished"; break; case AifJobStsAborted: status = "aborted"; break; case AifJobStsFailed: status = "failed"; break; case AifJobStsSuspended: status = "suspended"; break; case AifJobStsRunning: status = "running"; break; default: status = "unknown status"; break; } printf("JobProgress (%d) - %s (%d, %d)\n", aif->seqNumber, status, aif->data.PR[0].currentTick, aif->data.PR[0].finalTick); switch(aif->data.PR[0].jd.type) { case AifJobScsiZero: /* SCSI dev clear operation */ printf("\t(ScsiZero) handle %d\n", aif->data.PR[0].jd.client.scsi_dh); break; case AifJobScsiVerify: /* SCSI device Verify operation NO REPAIR */ printf("\t(ScsiVerify) handle %d\n", aif->data.PR[0].jd.client.scsi_dh); break; case AifJobScsiExercise: /* SCSI device Exercise operation */ printf("\t(ScsiExercise) handle %d\n", aif->data.PR[0].jd.client.scsi_dh); break; case AifJobScsiVerifyRepair: /* SCSI device Verify operation WITH repair */ printf("\t(ScsiVerifyRepair) handle %d\n", aif->data.PR[0].jd.client.scsi_dh); break; case AifJobCtrZero: /* Container clear operation */ printf("\t(ContainerZero) container %d\n", aif->data.PR[0].jd.client.container.src); break; case AifJobCtrCopy: /* Container copy operation */ printf("\t(ContainerCopy) container %d to %d\n", aif->data.PR[0].jd.client.container.src, aif->data.PR[0].jd.client.container.dst); break; case AifJobCtrCreateMirror: /* Container Create Mirror operation */ printf("\t(ContainerCreateMirror) container %d\n", aif->data.PR[0].jd.client.container.src); /* XXX two containers? */ break; case AifJobCtrMergeMirror: /* Container Merge Mirror operation */ printf("\t(ContainerMergeMirror) container %d\n", aif->data.PR[0].jd.client.container.src); /* XXX two containers? */ break; case AifJobCtrScrubMirror: /* Container Scrub Mirror operation */ printf("\t(ContainerScrubMirror) container %d\n", aif->data.PR[0].jd.client.container.src); break; case AifJobCtrRebuildRaid5: /* Container Rebuild Raid5 operation */ printf("\t(ContainerRebuildRaid5) container %d\n", aif->data.PR[0].jd.client.container.src); break; case AifJobCtrScrubRaid5: /* Container Scrub Raid5 operation */ printf("\t(ContainerScrubRaid5) container %d\n", aif->data.PR[0].jd.client.container.src); break; case AifJobCtrMorph: /* Container morph operation */ printf("\t(ContainerMorph) container %d\n", aif->data.PR[0].jd.client.container.src); /* XXX two containers? */ break; case AifJobCtrPartCopy: /* Container Partition copy operation */ printf("\t(ContainerPartCopy) container %d to %d\n", aif->data.PR[0].jd.client.container.src, aif->data.PR[0].jd.client.container.dst); break; case AifJobCtrRebuildMirror: /* Container Rebuild Mirror operation */ printf("\t(ContainerRebuildMirror) container %d\n", aif->data.PR[0].jd.client.container.src); break; case AifJobCtrCrazyCache: /* crazy cache */ printf("\t(ContainerCrazyCache) container %d\n", aif->data.PR[0].jd.client.container.src); /* XXX two containers? */ break; case AifJobFsCreate: /* File System Create operation */ printf("\t(FsCreate)\n"); break; case AifJobFsVerify: /* File System Verify operation */ printf("\t(FsVerivy)\n"); break; case AifJobFsExtend: /* File System Extend operation */ printf("\t(FsExtend)\n"); break; case AifJobApiFormatNTFS: /* Format a drive to NTFS */ printf("\t(FormatNTFS)\n"); break; case AifJobApiFormatFAT: /* Format a drive to FAT */ printf("\t(FormatFAT)\n"); break; case AifJobApiUpdateSnapshot: /* update the read/write half of a snapshot */ printf("\t(UpdateSnapshot)\n"); break; case AifJobApiFormatFAT32: /* Format a drive to FAT32 */ printf("\t(FormatFAT32)\n"); break; case AifJobCtlContinuousCtrVerify: /* Adapter operation */ printf("\t(ContinuousCtrVerify)\n"); break; default: printf("\t(%d)\n", aif->data.PR[0].jd.type); break; } break; } case AifCmdAPIReport: printf("APIReport (%d)\n", aif->seqNumber); break; case AifCmdDriverNotify: printf("DriverNotify (%d)\n", aif->seqNumber); break; default: printf("AIF %d (%d)\n", aif->command, aif->seqNumber); break; } } #endif