aac.c revision 132771
165793Smsmith/*- 265793Smsmith * Copyright (c) 2000 Michael Smith 381082Sscottl * Copyright (c) 2001 Scott Long 465793Smsmith * Copyright (c) 2000 BSDi 581082Sscottl * Copyright (c) 2001 Adaptec, Inc. 665793Smsmith * All rights reserved. 765793Smsmith * 865793Smsmith * Redistribution and use in source and binary forms, with or without 965793Smsmith * modification, are permitted provided that the following conditions 1065793Smsmith * are met: 1165793Smsmith * 1. Redistributions of source code must retain the above copyright 1265793Smsmith * notice, this list of conditions and the following disclaimer. 1365793Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1465793Smsmith * notice, this list of conditions and the following disclaimer in the 1565793Smsmith * documentation and/or other materials provided with the distribution. 1665793Smsmith * 1765793Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1865793Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1965793Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2065793Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2165793Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2265793Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2365793Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2465793Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2565793Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2665793Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2765793Smsmith * SUCH DAMAGE. 2865793Smsmith */ 2965793Smsmith 30119418Sobrien#include <sys/cdefs.h> 31119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/aac/aac.c 132771 2004-07-28 06:21:53Z kan $"); 32119418Sobrien 3365793Smsmith/* 3465793Smsmith * Driver for the Adaptec 'FSA' family of PCI/SCSI RAID adapters. 3565793Smsmith */ 3665793Smsmith 3781151Sscottl#include "opt_aac.h" 3881151Sscottl 3982527Sscottl/* #include <stddef.h> */ 4065793Smsmith#include <sys/param.h> 4165793Smsmith#include <sys/systm.h> 4265793Smsmith#include <sys/malloc.h> 4365793Smsmith#include <sys/kernel.h> 4482527Sscottl#include <sys/kthread.h> 4581154Sscottl#include <sys/sysctl.h> 4687183Sscottl#include <sys/poll.h> 47112946Sphk#include <sys/ioccom.h> 4865793Smsmith 4965793Smsmith#include <sys/bus.h> 5065793Smsmith#include <sys/conf.h> 5165793Smsmith#include <sys/signalvar.h> 5270393Smsmith#include <sys/time.h> 5382527Sscottl#include <sys/eventhandler.h> 5465793Smsmith 5565793Smsmith#include <machine/bus_memio.h> 5665793Smsmith#include <machine/bus.h> 5765793Smsmith#include <machine/resource.h> 5865793Smsmith 5965793Smsmith#include <dev/aac/aacreg.h> 6070393Smsmith#include <dev/aac/aac_ioctl.h> 6165793Smsmith#include <dev/aac/aacvar.h> 6265793Smsmith#include <dev/aac/aac_tables.h> 6365793Smsmith 6465793Smsmithstatic void aac_startup(void *arg); 6583114Sscottlstatic void aac_add_container(struct aac_softc *sc, 6695350Sscottl struct aac_mntinforesp *mir, int f); 6795536Sscottlstatic void aac_get_bus_info(struct aac_softc *sc); 6865793Smsmith 6965793Smsmith/* Command Processing */ 7070393Smsmithstatic void aac_timeout(struct aac_softc *sc); 7165793Smsmithstatic void aac_complete(void *context, int pending); 7265793Smsmithstatic int aac_bio_command(struct aac_softc *sc, struct aac_command **cmp); 7365793Smsmithstatic void aac_bio_complete(struct aac_command *cm); 74128258Sscottlstatic int aac_wait_command(struct aac_command *cm); 75110426Sscottlstatic void aac_command_thread(struct aac_softc *sc); 7665793Smsmith 7765793Smsmith/* Command Buffer Management */ 78117363Sscottlstatic void aac_map_command_sg(void *arg, bus_dma_segment_t *segs, 79117363Sscottl int nseg, int error); 8081082Sscottlstatic void aac_map_command_helper(void *arg, bus_dma_segment_t *segs, 8181082Sscottl int nseg, int error); 8270393Smsmithstatic int aac_alloc_commands(struct aac_softc *sc); 83111141Sscottlstatic void aac_free_commands(struct aac_softc *sc); 8465793Smsmithstatic void aac_unmap_command(struct aac_command *cm); 8565793Smsmith 8665793Smsmith/* Hardware Interface */ 8781082Sscottlstatic void aac_common_map(void *arg, bus_dma_segment_t *segs, int nseg, 8881082Sscottl int error); 8990275Sscottlstatic int aac_check_firmware(struct aac_softc *sc); 9065793Smsmithstatic int aac_init(struct aac_softc *sc); 9165793Smsmithstatic int aac_sync_command(struct aac_softc *sc, u_int32_t command, 9281082Sscottl u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, 9381082Sscottl u_int32_t arg3, u_int32_t *sp); 9481082Sscottlstatic int aac_enqueue_fib(struct aac_softc *sc, int queue, 9581151Sscottl struct aac_command *cm); 9681082Sscottlstatic int aac_dequeue_fib(struct aac_softc *sc, int queue, 9783114Sscottl u_int32_t *fib_size, struct aac_fib **fib_addr); 9882527Sscottlstatic int aac_enqueue_response(struct aac_softc *sc, int queue, 9982527Sscottl struct aac_fib *fib); 10065793Smsmith 10187183Sscottl/* Falcon/PPC interface */ 10287183Sscottlstatic int aac_fa_get_fwstatus(struct aac_softc *sc); 10387183Sscottlstatic void aac_fa_qnotify(struct aac_softc *sc, int qbit); 10487183Sscottlstatic int aac_fa_get_istatus(struct aac_softc *sc); 10587183Sscottlstatic void aac_fa_clear_istatus(struct aac_softc *sc, int mask); 10687183Sscottlstatic void aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command, 10787183Sscottl u_int32_t arg0, u_int32_t arg1, 10887183Sscottl u_int32_t arg2, u_int32_t arg3); 109112679Sscottlstatic int aac_fa_get_mailbox(struct aac_softc *sc, int mb); 11087183Sscottlstatic void aac_fa_set_interrupts(struct aac_softc *sc, int enable); 11187183Sscottl 11287183Sscottlstruct aac_interface aac_fa_interface = { 11387183Sscottl aac_fa_get_fwstatus, 11487183Sscottl aac_fa_qnotify, 11587183Sscottl aac_fa_get_istatus, 11687183Sscottl aac_fa_clear_istatus, 11787183Sscottl aac_fa_set_mailbox, 118112679Sscottl aac_fa_get_mailbox, 11987183Sscottl aac_fa_set_interrupts 12087183Sscottl}; 12187183Sscottl 12265793Smsmith/* StrongARM interface */ 12365793Smsmithstatic int aac_sa_get_fwstatus(struct aac_softc *sc); 12465793Smsmithstatic void aac_sa_qnotify(struct aac_softc *sc, int qbit); 12565793Smsmithstatic int aac_sa_get_istatus(struct aac_softc *sc); 12665793Smsmithstatic void aac_sa_clear_istatus(struct aac_softc *sc, int mask); 12765793Smsmithstatic void aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command, 12881082Sscottl u_int32_t arg0, u_int32_t arg1, 12981082Sscottl u_int32_t arg2, u_int32_t arg3); 130112679Sscottlstatic int aac_sa_get_mailbox(struct aac_softc *sc, int mb); 13165793Smsmithstatic void aac_sa_set_interrupts(struct aac_softc *sc, int enable); 13265793Smsmith 13365793Smsmithstruct aac_interface aac_sa_interface = { 13483114Sscottl aac_sa_get_fwstatus, 13583114Sscottl aac_sa_qnotify, 13683114Sscottl aac_sa_get_istatus, 13783114Sscottl aac_sa_clear_istatus, 13883114Sscottl aac_sa_set_mailbox, 139112679Sscottl aac_sa_get_mailbox, 14083114Sscottl aac_sa_set_interrupts 14165793Smsmith}; 14265793Smsmith 14383114Sscottl/* i960Rx interface */ 14465793Smsmithstatic int aac_rx_get_fwstatus(struct aac_softc *sc); 14565793Smsmithstatic void aac_rx_qnotify(struct aac_softc *sc, int qbit); 14665793Smsmithstatic int aac_rx_get_istatus(struct aac_softc *sc); 14765793Smsmithstatic void aac_rx_clear_istatus(struct aac_softc *sc, int mask); 14865793Smsmithstatic void aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command, 14981082Sscottl u_int32_t arg0, u_int32_t arg1, 15081082Sscottl u_int32_t arg2, u_int32_t arg3); 151112679Sscottlstatic int aac_rx_get_mailbox(struct aac_softc *sc, int mb); 15265793Smsmithstatic void aac_rx_set_interrupts(struct aac_softc *sc, int enable); 15365793Smsmith 15465793Smsmithstruct aac_interface aac_rx_interface = { 15583114Sscottl aac_rx_get_fwstatus, 15683114Sscottl aac_rx_qnotify, 15783114Sscottl aac_rx_get_istatus, 15883114Sscottl aac_rx_clear_istatus, 15983114Sscottl aac_rx_set_mailbox, 160112679Sscottl aac_rx_get_mailbox, 16183114Sscottl aac_rx_set_interrupts 16265793Smsmith}; 16365793Smsmith 16465793Smsmith/* Debugging and Diagnostics */ 16565793Smsmithstatic void aac_describe_controller(struct aac_softc *sc); 16682567Sscottlstatic char *aac_describe_code(struct aac_code_lookup *table, 16781082Sscottl u_int32_t code); 16865793Smsmith 16965793Smsmith/* Management Interface */ 17065793Smsmithstatic d_open_t aac_open; 17165793Smsmithstatic d_close_t aac_close; 17265793Smsmithstatic d_ioctl_t aac_ioctl; 17387183Sscottlstatic d_poll_t aac_poll; 17481082Sscottlstatic int aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib); 17581082Sscottlstatic void aac_handle_aif(struct aac_softc *sc, 17683114Sscottl struct aac_fib *fib); 17781189Sscottlstatic int aac_rev_check(struct aac_softc *sc, caddr_t udata); 17881189Sscottlstatic int aac_getnext_aif(struct aac_softc *sc, caddr_t arg); 17981189Sscottlstatic int aac_return_aif(struct aac_softc *sc, caddr_t uptr); 18082527Sscottlstatic int aac_query_disk(struct aac_softc *sc, caddr_t uptr); 18165793Smsmith 18265793Smsmithstatic struct cdevsw aac_cdevsw = { 183126080Sphk .d_version = D_VERSION, 184126080Sphk .d_flags = D_NEEDGIANT, 185111815Sphk .d_open = aac_open, 186111815Sphk .d_close = aac_close, 187111815Sphk .d_ioctl = aac_ioctl, 188111815Sphk .d_poll = aac_poll, 189111815Sphk .d_name = "aac", 19065793Smsmith}; 19165793Smsmith 19282527SscottlMALLOC_DEFINE(M_AACBUF, "aacbuf", "Buffers for the AAC driver"); 19382527Sscottl 19481154Sscottl/* sysctl node */ 19581154SscottlSYSCTL_NODE(_hw, OID_AUTO, aac, CTLFLAG_RD, 0, "AAC driver parameters"); 19681154Sscottl 19783114Sscottl/* 19883114Sscottl * Device Interface 19983114Sscottl */ 20065793Smsmith 20183114Sscottl/* 20265793Smsmith * Initialise the controller and softc 20365793Smsmith */ 20465793Smsmithint 20565793Smsmithaac_attach(struct aac_softc *sc) 20665793Smsmith{ 20783114Sscottl int error, unit; 20865793Smsmith 20983114Sscottl debug_called(1); 21065793Smsmith 21183114Sscottl /* 21283114Sscottl * Initialise per-controller queues. 21383114Sscottl */ 21483114Sscottl aac_initq_free(sc); 21583114Sscottl aac_initq_ready(sc); 21683114Sscottl aac_initq_busy(sc); 21783114Sscottl aac_initq_bio(sc); 21865793Smsmith 21983114Sscottl /* 22083114Sscottl * Initialise command-completion task. 22183114Sscottl */ 22283114Sscottl TASK_INIT(&sc->aac_task_complete, 0, aac_complete, sc); 22365793Smsmith 22483114Sscottl /* disable interrupts before we enable anything */ 22583114Sscottl AAC_MASK_INTERRUPTS(sc); 22665793Smsmith 22783114Sscottl /* mark controller as suspended until we get ourselves organised */ 22883114Sscottl sc->aac_state |= AAC_STATE_SUSPEND; 22965793Smsmith 23083114Sscottl /* 23190275Sscottl * Check that the firmware on the card is supported. 23290275Sscottl */ 23390275Sscottl if ((error = aac_check_firmware(sc)) != 0) 23490275Sscottl return(error); 23590275Sscottl 236117126Sscottl /* 237117126Sscottl * Initialize locks 238117126Sscottl */ 239117126Sscottl AAC_LOCK_INIT(&sc->aac_aifq_lock, "AAC AIF lock"); 240117126Sscottl AAC_LOCK_INIT(&sc->aac_io_lock, "AAC I/O lock"); 241117126Sscottl AAC_LOCK_INIT(&sc->aac_container_lock, "AAC container lock"); 242117126Sscottl TAILQ_INIT(&sc->aac_container_tqh); 24395350Sscottl 244121173Sscottl /* Initialize the local AIF queue pointers */ 245121173Sscottl sc->aac_aifq_head = sc->aac_aifq_tail = AAC_AIFQ_LENGTH; 246117126Sscottl 24783114Sscottl /* 24883114Sscottl * Initialise the adapter. 24983114Sscottl */ 25083114Sscottl if ((error = aac_init(sc)) != 0) 25183114Sscottl return(error); 25265793Smsmith 25383114Sscottl /* 25483114Sscottl * Print a little information about the controller. 25583114Sscottl */ 25683114Sscottl aac_describe_controller(sc); 25765793Smsmith 25883114Sscottl /* 259111532Sscottl * Register to probe our containers later. 26087183Sscottl */ 26183114Sscottl sc->aac_ich.ich_func = aac_startup; 26283114Sscottl sc->aac_ich.ich_arg = sc; 26383114Sscottl if (config_intrhook_establish(&sc->aac_ich) != 0) { 26483114Sscottl device_printf(sc->aac_dev, 26583114Sscottl "can't establish configuration hook\n"); 26683114Sscottl return(ENXIO); 26783114Sscottl } 26865793Smsmith 26983114Sscottl /* 27083114Sscottl * Make the control device. 27183114Sscottl */ 27283114Sscottl unit = device_get_unit(sc->aac_dev); 273108329Srwatson sc->aac_dev_t = make_dev(&aac_cdevsw, unit, UID_ROOT, GID_OPERATOR, 274108329Srwatson 0640, "aac%d", unit); 27583114Sscottl (void)make_dev_alias(sc->aac_dev_t, "afa%d", unit); 27683114Sscottl (void)make_dev_alias(sc->aac_dev_t, "hpn%d", unit); 27783114Sscottl sc->aac_dev_t->si_drv1 = sc; 27865793Smsmith 27983114Sscottl /* Create the AIF thread */ 280110426Sscottl if (kthread_create((void(*)(void *))aac_command_thread, sc, 281104354Sscottl &sc->aifthread, 0, 0, "aac%daif", unit)) 28283114Sscottl panic("Could not create AIF thread\n"); 28382527Sscottl 28483114Sscottl /* Register the shutdown method to only be called post-dump */ 285110427Sscottl if ((sc->eh = EVENTHANDLER_REGISTER(shutdown_final, aac_shutdown, 286110427Sscottl sc->aac_dev, SHUTDOWN_PRI_DEFAULT)) == NULL) 287110427Sscottl device_printf(sc->aac_dev, 288110427Sscottl "shutdown event registration failed\n"); 28982527Sscottl 29095536Sscottl /* Register with CAM for the non-DASD devices */ 291112679Sscottl if ((sc->flags & AAC_FLAGS_ENABLE_CAM) != 0) { 292110426Sscottl TAILQ_INIT(&sc->aac_sim_tqh); 29395536Sscottl aac_get_bus_info(sc); 294110426Sscottl } 29595536Sscottl 29683114Sscottl return(0); 29765793Smsmith} 29865793Smsmith 29983114Sscottl/* 30065793Smsmith * Probe for containers, create disks. 30165793Smsmith */ 30265793Smsmithstatic void 30365793Smsmithaac_startup(void *arg) 30465793Smsmith{ 30583114Sscottl struct aac_softc *sc; 30695350Sscottl struct aac_fib *fib; 30795350Sscottl struct aac_mntinfo *mi; 30895350Sscottl struct aac_mntinforesp *mir = NULL; 309115760Sscottl int count = 0, i = 0; 31065793Smsmith 31183114Sscottl debug_called(1); 31265793Smsmith 31383114Sscottl sc = (struct aac_softc *)arg; 31465793Smsmith 31583114Sscottl /* disconnect ourselves from the intrhook chain */ 31683114Sscottl config_intrhook_disestablish(&sc->aac_ich); 31765793Smsmith 318130006Sscottl aac_alloc_sync_fib(sc, &fib); 31995350Sscottl mi = (struct aac_mntinfo *)&fib->data[0]; 32095350Sscottl 32183114Sscottl /* loop over possible containers */ 32283114Sscottl do { 32383114Sscottl /* request information on this container */ 32495966Sscottl bzero(mi, sizeof(struct aac_mntinfo)); 32595966Sscottl mi->Command = VM_NameServe; 32695966Sscottl mi->MntType = FT_FILESYS; 32795350Sscottl mi->MntCount = i; 32895350Sscottl if (aac_sync_fib(sc, ContainerCommand, 0, fib, 32995350Sscottl sizeof(struct aac_mntinfo))) { 330115760Sscottl printf("error probing container %d", i); 33183114Sscottl continue; 33283114Sscottl } 33365793Smsmith 33495350Sscottl mir = (struct aac_mntinforesp *)&fib->data[0]; 335115760Sscottl /* XXX Need to check if count changed */ 336115760Sscottl count = mir->MntRespCount; 33795350Sscottl aac_add_container(sc, mir, 0); 33883114Sscottl i++; 339115760Sscottl } while ((i < count) && (i < AAC_MAX_CONTAINERS)); 34065793Smsmith 34195350Sscottl aac_release_sync_fib(sc); 34295350Sscottl 34383114Sscottl /* poke the bus to actually attach the child devices */ 34483114Sscottl if (bus_generic_attach(sc->aac_dev)) 34583114Sscottl device_printf(sc->aac_dev, "bus_generic_attach failed\n"); 34665793Smsmith 34783114Sscottl /* mark the controller up */ 34883114Sscottl sc->aac_state &= ~AAC_STATE_SUSPEND; 34970393Smsmith 35083114Sscottl /* enable interrupts now */ 35183114Sscottl AAC_UNMASK_INTERRUPTS(sc); 35265793Smsmith} 35365793Smsmith 35483114Sscottl/* 35583114Sscottl * Create a device to respresent a new container 35683114Sscottl */ 35783114Sscottlstatic void 35895350Sscottlaac_add_container(struct aac_softc *sc, struct aac_mntinforesp *mir, int f) 35983114Sscottl{ 36083114Sscottl struct aac_container *co; 36183114Sscottl device_t child; 36283114Sscottl 36383114Sscottl /* 36483114Sscottl * Check container volume type for validity. Note that many of 36583114Sscottl * the possible types may never show up. 36683114Sscottl */ 36783114Sscottl if ((mir->Status == ST_OK) && (mir->MntTable[0].VolType != CT_NONE)) { 368110428Sscottl co = (struct aac_container *)malloc(sizeof *co, M_AACBUF, 369110428Sscottl M_NOWAIT | M_ZERO); 37083114Sscottl if (co == NULL) 37183114Sscottl panic("Out of memory?!\n"); 37283114Sscottl debug(1, "id %x name '%.16s' size %u type %d", 37383114Sscottl mir->MntTable[0].ObjectId, 37483114Sscottl mir->MntTable[0].FileSystemName, 37583114Sscottl mir->MntTable[0].Capacity, mir->MntTable[0].VolType); 37683114Sscottl 37795536Sscottl if ((child = device_add_child(sc->aac_dev, "aacd", -1)) == NULL) 37883114Sscottl device_printf(sc->aac_dev, "device_add_child failed\n"); 37983114Sscottl else 38083114Sscottl device_set_ivars(child, co); 38183114Sscottl device_set_desc(child, aac_describe_code(aac_container_types, 38283114Sscottl mir->MntTable[0].VolType)); 38383114Sscottl co->co_disk = child; 38483114Sscottl co->co_found = f; 38583114Sscottl bcopy(&mir->MntTable[0], &co->co_mntobj, 38683114Sscottl sizeof(struct aac_mntobj)); 38787310Sscottl AAC_LOCK_ACQUIRE(&sc->aac_container_lock); 38883114Sscottl TAILQ_INSERT_TAIL(&sc->aac_container_tqh, co, co_link); 38983114Sscottl AAC_LOCK_RELEASE(&sc->aac_container_lock); 39083114Sscottl } 39183114Sscottl} 39283114Sscottl 39383114Sscottl/* 39465793Smsmith * Free all of the resources associated with (sc) 39565793Smsmith * 39665793Smsmith * Should not be called if the controller is active. 39765793Smsmith */ 39865793Smsmithvoid 39965793Smsmithaac_free(struct aac_softc *sc) 40065793Smsmith{ 401110604Sscottl 40283114Sscottl debug_called(1); 40365793Smsmith 40483114Sscottl /* remove the control device */ 40583114Sscottl if (sc->aac_dev_t != NULL) 40683114Sscottl destroy_dev(sc->aac_dev_t); 40765793Smsmith 40883114Sscottl /* throw away any FIB buffers, discard the FIB DMA tag */ 409111141Sscottl aac_free_commands(sc); 41083114Sscottl if (sc->aac_fib_dmat) 41183114Sscottl bus_dma_tag_destroy(sc->aac_fib_dmat); 41265793Smsmith 413110604Sscottl free(sc->aac_commands, M_AACBUF); 414110604Sscottl 41583114Sscottl /* destroy the common area */ 41683114Sscottl if (sc->aac_common) { 41783114Sscottl bus_dmamap_unload(sc->aac_common_dmat, sc->aac_common_dmamap); 41883114Sscottl bus_dmamem_free(sc->aac_common_dmat, sc->aac_common, 41983114Sscottl sc->aac_common_dmamap); 42083114Sscottl } 42183114Sscottl if (sc->aac_common_dmat) 42283114Sscottl bus_dma_tag_destroy(sc->aac_common_dmat); 42365793Smsmith 42483114Sscottl /* disconnect the interrupt handler */ 42583114Sscottl if (sc->aac_intr) 42683114Sscottl bus_teardown_intr(sc->aac_dev, sc->aac_irq, sc->aac_intr); 42783114Sscottl if (sc->aac_irq != NULL) 42883114Sscottl bus_release_resource(sc->aac_dev, SYS_RES_IRQ, sc->aac_irq_rid, 42983114Sscottl sc->aac_irq); 43065793Smsmith 43183114Sscottl /* destroy data-transfer DMA tag */ 43283114Sscottl if (sc->aac_buffer_dmat) 43383114Sscottl bus_dma_tag_destroy(sc->aac_buffer_dmat); 43465793Smsmith 43583114Sscottl /* destroy the parent DMA tag */ 43683114Sscottl if (sc->aac_parent_dmat) 43783114Sscottl bus_dma_tag_destroy(sc->aac_parent_dmat); 43865793Smsmith 43983114Sscottl /* release the register window mapping */ 44083114Sscottl if (sc->aac_regs_resource != NULL) 44183114Sscottl bus_release_resource(sc->aac_dev, SYS_RES_MEMORY, 44283114Sscottl sc->aac_regs_rid, sc->aac_regs_resource); 44365793Smsmith} 44465793Smsmith 44583114Sscottl/* 44665793Smsmith * Disconnect from the controller completely, in preparation for unload. 44765793Smsmith */ 44865793Smsmithint 44965793Smsmithaac_detach(device_t dev) 45065793Smsmith{ 45183114Sscottl struct aac_softc *sc; 452110426Sscottl struct aac_container *co; 453110426Sscottl struct aac_sim *sim; 45483114Sscottl int error; 45565793Smsmith 45683114Sscottl debug_called(1); 45765793Smsmith 45883114Sscottl sc = device_get_softc(dev); 45983114Sscottl 46083114Sscottl if (sc->aac_state & AAC_STATE_OPEN) 461110426Sscottl return(EBUSY); 46265793Smsmith 463110426Sscottl /* Remove the child containers */ 464110428Sscottl while ((co = TAILQ_FIRST(&sc->aac_container_tqh)) != NULL) { 465110426Sscottl error = device_delete_child(dev, co->co_disk); 466110426Sscottl if (error) 467110426Sscottl return (error); 468111196Sscottl TAILQ_REMOVE(&sc->aac_container_tqh, co, co_link); 469110428Sscottl free(co, M_AACBUF); 470110426Sscottl } 471110426Sscottl 472110426Sscottl /* Remove the CAM SIMs */ 473110428Sscottl while ((sim = TAILQ_FIRST(&sc->aac_sim_tqh)) != NULL) { 474110428Sscottl TAILQ_REMOVE(&sc->aac_sim_tqh, sim, sim_link); 475110426Sscottl error = device_delete_child(dev, sim->sim_dev); 476110426Sscottl if (error) 477110426Sscottl return (error); 478110428Sscottl free(sim, M_AACBUF); 479110426Sscottl } 480110426Sscottl 48183114Sscottl if (sc->aifflags & AAC_AIFFLAGS_RUNNING) { 48283114Sscottl sc->aifflags |= AAC_AIFFLAGS_EXIT; 48383114Sscottl wakeup(sc->aifthread); 48483114Sscottl tsleep(sc->aac_dev, PUSER | PCATCH, "aacdch", 30 * hz); 48583114Sscottl } 48682527Sscottl 48783114Sscottl if (sc->aifflags & AAC_AIFFLAGS_RUNNING) 48883114Sscottl panic("Cannot shutdown AIF thread\n"); 48982527Sscottl 49083114Sscottl if ((error = aac_shutdown(dev))) 49183114Sscottl return(error); 49265793Smsmith 493110427Sscottl EVENTHANDLER_DEREGISTER(shutdown_final, sc->eh); 494110427Sscottl 49583114Sscottl aac_free(sc); 49665793Smsmith 49783114Sscottl return(0); 49865793Smsmith} 49965793Smsmith 50083114Sscottl/* 50165793Smsmith * Bring the controller down to a dormant state and detach all child devices. 50265793Smsmith * 50365793Smsmith * This function is called before detach or system shutdown. 50465793Smsmith * 50570393Smsmith * Note that we can assume that the bioq on the controller is empty, as we won't 50665793Smsmith * allow shutdown if any device is open. 50765793Smsmith */ 50865793Smsmithint 50965793Smsmithaac_shutdown(device_t dev) 51065793Smsmith{ 51183114Sscottl struct aac_softc *sc; 51295350Sscottl struct aac_fib *fib; 51395350Sscottl struct aac_close_command *cc; 51465793Smsmith 51583114Sscottl debug_called(1); 51665793Smsmith 51783114Sscottl sc = device_get_softc(dev); 51865793Smsmith 51983114Sscottl sc->aac_state |= AAC_STATE_SUSPEND; 52065793Smsmith 52183114Sscottl /* 52283114Sscottl * Send a Container shutdown followed by a HostShutdown FIB to the 52383114Sscottl * controller to convince it that we don't want to talk to it anymore. 52483114Sscottl * We've been closed and all I/O completed already 52582527Sscottl */ 52683114Sscottl device_printf(sc->aac_dev, "shutting down controller..."); 52783114Sscottl 528130006Sscottl aac_alloc_sync_fib(sc, &fib); 52995350Sscottl cc = (struct aac_close_command *)&fib->data[0]; 53095350Sscottl 53195966Sscottl bzero(cc, sizeof(struct aac_close_command)); 53295350Sscottl cc->Command = VM_CloseAll; 53395350Sscottl cc->ContainerId = 0xffffffff; 53495350Sscottl if (aac_sync_fib(sc, ContainerCommand, 0, fib, 53595350Sscottl sizeof(struct aac_close_command))) 53683114Sscottl printf("FAILED.\n"); 537110426Sscottl else 538110426Sscottl printf("done\n"); 539110426Sscottl#if 0 54083114Sscottl else { 54195350Sscottl fib->data[0] = 0; 54283114Sscottl /* 54383114Sscottl * XXX Issuing this command to the controller makes it shut down 54483114Sscottl * but also keeps it from coming back up without a reset of the 54583114Sscottl * PCI bus. This is not desirable if you are just unloading the 54683114Sscottl * driver module with the intent to reload it later. 54783114Sscottl */ 54895350Sscottl if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN, 54995350Sscottl fib, 1)) { 55083114Sscottl printf("FAILED.\n"); 55183114Sscottl } else { 55283114Sscottl printf("done.\n"); 55383114Sscottl } 55465793Smsmith } 555110426Sscottl#endif 55665793Smsmith 55783114Sscottl AAC_MASK_INTERRUPTS(sc); 55865793Smsmith 55983114Sscottl return(0); 56065793Smsmith} 56165793Smsmith 56283114Sscottl/* 56365793Smsmith * Bring the controller to a quiescent state, ready for system suspend. 56465793Smsmith */ 56565793Smsmithint 56665793Smsmithaac_suspend(device_t dev) 56765793Smsmith{ 56883114Sscottl struct aac_softc *sc; 56965793Smsmith 57083114Sscottl debug_called(1); 57165793Smsmith 57283114Sscottl sc = device_get_softc(dev); 57383114Sscottl 57483114Sscottl sc->aac_state |= AAC_STATE_SUSPEND; 57583114Sscottl 57683114Sscottl AAC_MASK_INTERRUPTS(sc); 57783114Sscottl return(0); 57865793Smsmith} 57965793Smsmith 58083114Sscottl/* 58165793Smsmith * Bring the controller back to a state ready for operation. 58265793Smsmith */ 58365793Smsmithint 58465793Smsmithaac_resume(device_t dev) 58565793Smsmith{ 58683114Sscottl struct aac_softc *sc; 58765793Smsmith 58883114Sscottl debug_called(1); 58983114Sscottl 59083114Sscottl sc = device_get_softc(dev); 59183114Sscottl 59283114Sscottl sc->aac_state &= ~AAC_STATE_SUSPEND; 59383114Sscottl AAC_UNMASK_INTERRUPTS(sc); 59483114Sscottl return(0); 59565793Smsmith} 59665793Smsmith 59783114Sscottl/* 59865793Smsmith * Take an interrupt. 59965793Smsmith */ 60065793Smsmithvoid 60165793Smsmithaac_intr(void *arg) 60265793Smsmith{ 60383114Sscottl struct aac_softc *sc; 60483114Sscottl u_int16_t reason; 60565793Smsmith 60683114Sscottl debug_called(2); 60765793Smsmith 60883114Sscottl sc = (struct aac_softc *)arg; 60965793Smsmith 610109088Sscottl /* 611125225Sscottl * Read the status register directly. This is faster than taking the 612125225Sscottl * driver lock and reading the queues directly. It also saves having 613125225Sscottl * to turn parts of the driver lock into a spin mutex, which would be 614125225Sscottl * ugly. 615109088Sscottl */ 616125225Sscottl reason = AAC_GET_ISTATUS(sc); 617109088Sscottl AAC_CLEAR_ISTATUS(sc, reason); 61865793Smsmith 619125225Sscottl /* handle completion processing */ 620109088Sscottl if (reason & AAC_DB_RESPONSE_READY) 621125225Sscottl taskqueue_enqueue_fast(taskqueue_fast, &sc->aac_task_complete); 622109088Sscottl 623125225Sscottl /* controller wants to talk to us */ 624125225Sscottl if (reason & (AAC_DB_PRINTF | AAC_DB_COMMAND_READY)) { 625125225Sscottl /* 626125225Sscottl * XXX Make sure that we don't get fooled by strange messages 627125225Sscottl * that start with a NULL. 628125225Sscottl */ 629125225Sscottl if ((reason & AAC_DB_PRINTF) && 630125225Sscottl (sc->aac_common->ac_printf[0] == 0)) 631125225Sscottl sc->aac_common->ac_printf[0] = 32; 63265793Smsmith 633125225Sscottl /* 634125225Sscottl * This might miss doing the actual wakeup. However, the 635125542Sscottl * msleep that this is waking up has a timeout, so it will 636125225Sscottl * wake up eventually. AIFs and printfs are low enough 637125225Sscottl * priority that they can handle hanging out for a few seconds 638125225Sscottl * if needed. 639125225Sscottl */ 640125225Sscottl wakeup(sc->aifthread); 64183114Sscottl } 642109088Sscottl} 64383114Sscottl 64483114Sscottl/* 64583114Sscottl * Command Processing 64683114Sscottl */ 64765793Smsmith 64883114Sscottl/* 64965793Smsmith * Start as much queued I/O as possible on the controller 65065793Smsmith */ 65195536Sscottlvoid 65265793Smsmithaac_startio(struct aac_softc *sc) 65365793Smsmith{ 65483114Sscottl struct aac_command *cm; 655129923Sscottl int error; 65665793Smsmith 65783114Sscottl debug_called(2); 65865793Smsmith 65983114Sscottl for (;;) { 66083114Sscottl /* 661129923Sscottl * This flag might be set if the card is out of resources. 662129923Sscottl * Checking it here prevents an infinite loop of deferrals. 663129923Sscottl */ 664129923Sscottl if (sc->flags & AAC_QUEUE_FRZN) 665129923Sscottl break; 666129923Sscottl 667129923Sscottl /* 66883114Sscottl * Try to get a command that's been put off for lack of 66983114Sscottl * resources 67083114Sscottl */ 67183114Sscottl cm = aac_dequeue_ready(sc); 67265793Smsmith 67383114Sscottl /* 67483114Sscottl * Try to build a command off the bio queue (ignore error 67583114Sscottl * return) 67683114Sscottl */ 67783114Sscottl if (cm == NULL) 67883114Sscottl aac_bio_command(sc, &cm); 67965793Smsmith 68083114Sscottl /* nothing to do? */ 68183114Sscottl if (cm == NULL) 68283114Sscottl break; 68365793Smsmith 684129923Sscottl /* don't map more than once */ 685129923Sscottl if (cm->cm_flags & AAC_CMD_MAPPED) 686129923Sscottl panic("aac: command %p already mapped", cm); 687129923Sscottl 688125559Sscottl /* 689129923Sscottl * Set up the command to go to the controller. If there are no 690129923Sscottl * data buffers associated with the command then it can bypass 691129923Sscottl * busdma. 692125559Sscottl */ 693129923Sscottl if (cm->cm_datalen != 0) { 694129923Sscottl error = bus_dmamap_load(sc->aac_buffer_dmat, 695129923Sscottl cm->cm_datamap, cm->cm_data, 696129923Sscottl cm->cm_datalen, 697129923Sscottl aac_map_command_sg, cm, 0); 698129923Sscottl if (error == EINPROGRESS) { 699129923Sscottl debug(1, "freezing queue\n"); 700129923Sscottl sc->flags |= AAC_QUEUE_FRZN; 701129923Sscottl error = 0; 702129946Sscottl } else if (error != 0) 703129923Sscottl panic("aac_startio: unexpected error %d from " 704129923Sscottl "busdma\n", error); 705129923Sscottl } else 706129923Sscottl aac_map_command_sg(cm, NULL, 0, 0); 70765793Smsmith } 70865793Smsmith} 70965793Smsmith 71083114Sscottl/* 71165793Smsmith * Handle notification of one or more FIBs coming from the controller. 71265793Smsmith */ 71365793Smsmithstatic void 714110426Sscottlaac_command_thread(struct aac_softc *sc) 71565793Smsmith{ 71683114Sscottl struct aac_fib *fib; 71783114Sscottl u_int32_t fib_size; 718125225Sscottl int size, retval; 71965793Smsmith 72083114Sscottl debug_called(2); 72165793Smsmith 722125542Sscottl AAC_LOCK_ACQUIRE(&sc->aac_io_lock); 723125542Sscottl sc->aifflags = AAC_AIFFLAGS_RUNNING; 72465793Smsmith 725125542Sscottl while ((sc->aifflags & AAC_AIFFLAGS_EXIT) == 0) { 72682527Sscottl 727125542Sscottl retval = 0; 728125542Sscottl if ((sc->aifflags & AAC_AIFFLAGS_PENDING) == 0) 729125542Sscottl retval = msleep(sc->aifthread, &sc->aac_io_lock, PRIBIO, 730125542Sscottl "aifthd", AAC_PERIODIC_INTERVAL * hz); 731125542Sscottl 732125225Sscottl /* 733125225Sscottl * First see if any FIBs need to be allocated. This needs 734125225Sscottl * to be called without the driver lock because contigmalloc 735125225Sscottl * will grab Giant, and would result in an LOR. 736125225Sscottl */ 737125225Sscottl if ((sc->aifflags & AAC_AIFFLAGS_ALLOCFIBS) != 0) { 738125542Sscottl AAC_LOCK_RELEASE(&sc->aac_io_lock); 739125225Sscottl aac_alloc_commands(sc); 740125542Sscottl AAC_LOCK_ACQUIRE(&sc->aac_io_lock); 741125559Sscottl sc->aifflags &= ~AAC_AIFFLAGS_ALLOCFIBS; 742125542Sscottl aac_startio(sc); 743125225Sscottl } 744125225Sscottl 745125225Sscottl /* 746125225Sscottl * While we're here, check to see if any commands are stuck. 747125225Sscottl * This is pretty low-priority, so it's ok if it doesn't 748125225Sscottl * always fire. 749125225Sscottl */ 750125225Sscottl if (retval == EWOULDBLOCK) 751110426Sscottl aac_timeout(sc); 752110426Sscottl 753110426Sscottl /* Check the hardware printf message buffer */ 754125225Sscottl if (sc->aac_common->ac_printf[0] != 0) 755110426Sscottl aac_print_printf(sc); 756110426Sscottl 757125225Sscottl /* Also check to see if the adapter has a command for us. */ 758125225Sscottl while (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE, 759125225Sscottl &fib_size, &fib) == 0) { 76083114Sscottl 76183114Sscottl AAC_PRINT_FIB(sc, fib); 76283114Sscottl 76383114Sscottl switch (fib->Header.Command) { 76483114Sscottl case AifRequest: 76583114Sscottl aac_handle_aif(sc, fib); 76683114Sscottl break; 76783114Sscottl default: 76883114Sscottl device_printf(sc->aac_dev, "unknown command " 76983114Sscottl "from controller\n"); 77083114Sscottl break; 77183114Sscottl } 77282527Sscottl 77383114Sscottl if ((fib->Header.XferState == 0) || 77483114Sscottl (fib->Header.StructType != AAC_FIBTYPE_TFIB)) 77583114Sscottl break; 77682527Sscottl 777110426Sscottl /* Return the AIF to the controller. */ 77883114Sscottl if (fib->Header.XferState & AAC_FIBSTATE_FROMADAP) { 77983114Sscottl fib->Header.XferState |= AAC_FIBSTATE_DONEHOST; 78083114Sscottl *(AAC_FSAStatus*)fib->data = ST_OK; 78182527Sscottl 78283114Sscottl /* XXX Compute the Size field? */ 78383114Sscottl size = fib->Header.Size; 78483114Sscottl if (size > sizeof(struct aac_fib)) { 78595536Sscottl size = sizeof(struct aac_fib); 78683114Sscottl fib->Header.Size = size; 78783114Sscottl } 78883114Sscottl /* 78983114Sscottl * Since we did not generate this command, it 79083114Sscottl * cannot go through the normal 79183114Sscottl * enqueue->startio chain. 79283114Sscottl */ 79383114Sscottl aac_enqueue_response(sc, 79483114Sscottl AAC_ADAP_NORM_RESP_QUEUE, 79583114Sscottl fib); 79683114Sscottl } 79782527Sscottl } 79865793Smsmith } 79983114Sscottl sc->aifflags &= ~AAC_AIFFLAGS_RUNNING; 800125542Sscottl AAC_LOCK_RELEASE(&sc->aac_io_lock); 80183114Sscottl wakeup(sc->aac_dev); 80265793Smsmith 80383114Sscottl kthread_exit(0); 80465793Smsmith} 80565793Smsmith 80683114Sscottl/* 807111143Sscottl * Process completed commands. 80865793Smsmith */ 80965793Smsmithstatic void 810111143Sscottlaac_complete(void *context, int pending) 81165793Smsmith{ 812111143Sscottl struct aac_softc *sc; 81383114Sscottl struct aac_command *cm; 81483114Sscottl struct aac_fib *fib; 81583114Sscottl u_int32_t fib_size; 81665793Smsmith 81783114Sscottl debug_called(2); 81865793Smsmith 819111143Sscottl sc = (struct aac_softc *)context; 820111143Sscottl 821111532Sscottl AAC_LOCK_ACQUIRE(&sc->aac_io_lock); 822111532Sscottl 823111143Sscottl /* pull completed commands off the queue */ 82483114Sscottl for (;;) { 82583114Sscottl /* look for completed FIBs on our queue */ 82683114Sscottl if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size, 82783114Sscottl &fib)) 82883114Sscottl break; /* nothing to do */ 829111143Sscottl 830125574Sscottl /* get the command, unmap and hand off for processing */ 831111152Sscottl cm = sc->aac_commands + fib->Header.SenderData; 83283114Sscottl if (cm == NULL) { 83383114Sscottl AAC_PRINT_FIB(sc, fib); 834111143Sscottl break; 83583114Sscottl } 83665793Smsmith 837111143Sscottl aac_remove_busy(cm); 838125574Sscottl aac_unmap_command(cm); 83983114Sscottl cm->cm_flags |= AAC_CMD_COMPLETED; 84083114Sscottl 84183114Sscottl /* is there a completion handler? */ 84283114Sscottl if (cm->cm_complete != NULL) { 84383114Sscottl cm->cm_complete(cm); 84483114Sscottl } else { 84583114Sscottl /* assume that someone is sleeping on this command */ 84683114Sscottl wakeup(cm); 84783114Sscottl } 84865793Smsmith } 84970393Smsmith 85083114Sscottl /* see if we can start some more I/O */ 851117363Sscottl sc->flags &= ~AAC_QUEUE_FRZN; 85283114Sscottl aac_startio(sc); 853111532Sscottl 854111532Sscottl AAC_LOCK_RELEASE(&sc->aac_io_lock); 85565793Smsmith} 85665793Smsmith 85783114Sscottl/* 85865793Smsmith * Handle a bio submitted from a disk device. 85965793Smsmith */ 86065793Smsmithvoid 86165793Smsmithaac_submit_bio(struct bio *bp) 86265793Smsmith{ 86383114Sscottl struct aac_disk *ad; 86483114Sscottl struct aac_softc *sc; 86565793Smsmith 86683114Sscottl debug_called(2); 86765793Smsmith 868111525Sscottl ad = (struct aac_disk *)bp->bio_disk->d_drv1; 86983114Sscottl sc = ad->ad_controller; 87083114Sscottl 87183114Sscottl /* queue the BIO and try to get some work done */ 87283114Sscottl aac_enqueue_bio(sc, bp); 87383114Sscottl aac_startio(sc); 87465793Smsmith} 87565793Smsmith 87683114Sscottl/* 87765793Smsmith * Get a bio and build a command to go with it. 87865793Smsmith */ 87965793Smsmithstatic int 88065793Smsmithaac_bio_command(struct aac_softc *sc, struct aac_command **cmp) 88165793Smsmith{ 88283114Sscottl struct aac_command *cm; 88383114Sscottl struct aac_fib *fib; 88483114Sscottl struct aac_disk *ad; 88583114Sscottl struct bio *bp; 88665793Smsmith 88783114Sscottl debug_called(2); 88865793Smsmith 88983114Sscottl /* get the resources we will need */ 89083114Sscottl cm = NULL; 891125542Sscottl bp = NULL; 892125542Sscottl if (aac_alloc_command(sc, &cm)) /* get a command */ 893125542Sscottl goto fail; 89483114Sscottl if ((bp = aac_dequeue_bio(sc)) == NULL) 89583114Sscottl goto fail; 89665793Smsmith 89783114Sscottl /* fill out the command */ 89883114Sscottl cm->cm_data = (void *)bp->bio_data; 89983114Sscottl cm->cm_datalen = bp->bio_bcount; 90083114Sscottl cm->cm_complete = aac_bio_complete; 90183114Sscottl cm->cm_private = bp; 90283114Sscottl cm->cm_timestamp = time_second; 90383114Sscottl cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE; 90465793Smsmith 90583114Sscottl /* build the FIB */ 90683114Sscottl fib = cm->cm_fib; 907112856Sscottl fib->Header.Size = sizeof(struct aac_fib_header); 90883114Sscottl fib->Header.XferState = 909109088Sscottl AAC_FIBSTATE_HOSTOWNED | 910109088Sscottl AAC_FIBSTATE_INITIALISED | 911109088Sscottl AAC_FIBSTATE_EMPTY | 912109088Sscottl AAC_FIBSTATE_FROMHOST | 913109088Sscottl AAC_FIBSTATE_REXPECTED | 914109088Sscottl AAC_FIBSTATE_NORM | 915109088Sscottl AAC_FIBSTATE_ASYNC | 916109088Sscottl AAC_FIBSTATE_FAST_RESPONSE; 91765793Smsmith 91883114Sscottl /* build the read/write request */ 919111525Sscottl ad = (struct aac_disk *)bp->bio_disk->d_drv1; 920112856Sscottl 921112856Sscottl if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) { 922112856Sscottl fib->Header.Command = ContainerCommand; 923112856Sscottl if (bp->bio_cmd == BIO_READ) { 924112856Sscottl struct aac_blockread *br; 925112856Sscottl br = (struct aac_blockread *)&fib->data[0]; 926112856Sscottl br->Command = VM_CtBlockRead; 927112856Sscottl br->ContainerId = ad->ad_container->co_mntobj.ObjectId; 928112856Sscottl br->BlockNumber = bp->bio_pblkno; 929112856Sscottl br->ByteCount = bp->bio_bcount; 930112856Sscottl fib->Header.Size += sizeof(struct aac_blockread); 931112856Sscottl cm->cm_sgtable = &br->SgMap; 932112856Sscottl cm->cm_flags |= AAC_CMD_DATAIN; 933112856Sscottl } else { 934112856Sscottl struct aac_blockwrite *bw; 935112856Sscottl bw = (struct aac_blockwrite *)&fib->data[0]; 936112856Sscottl bw->Command = VM_CtBlockWrite; 937112856Sscottl bw->ContainerId = ad->ad_container->co_mntobj.ObjectId; 938112856Sscottl bw->BlockNumber = bp->bio_pblkno; 939112856Sscottl bw->ByteCount = bp->bio_bcount; 940112856Sscottl bw->Stable = CUNSTABLE; 941112856Sscottl fib->Header.Size += sizeof(struct aac_blockwrite); 942112856Sscottl cm->cm_flags |= AAC_CMD_DATAOUT; 943112856Sscottl cm->cm_sgtable = &bw->SgMap; 944112856Sscottl } 94583114Sscottl } else { 946112856Sscottl fib->Header.Command = ContainerCommand64; 947112856Sscottl if (bp->bio_cmd == BIO_READ) { 948112856Sscottl struct aac_blockread64 *br; 949112856Sscottl br = (struct aac_blockread64 *)&fib->data[0]; 950112856Sscottl br->Command = VM_CtHostRead64; 951112856Sscottl br->ContainerId = ad->ad_container->co_mntobj.ObjectId; 952112856Sscottl br->SectorCount = bp->bio_bcount / AAC_BLOCK_SIZE; 953112856Sscottl br->BlockNumber = bp->bio_pblkno; 954112856Sscottl br->Pad = 0; 955112856Sscottl br->Flags = 0; 956112856Sscottl fib->Header.Size += sizeof(struct aac_blockread64); 957112856Sscottl cm->cm_flags |= AAC_CMD_DATAOUT; 958132771Skan cm->cm_sgtable = (struct aac_sg_table *)&br->SgMap64; 959112856Sscottl } else { 960112856Sscottl struct aac_blockwrite64 *bw; 961112856Sscottl bw = (struct aac_blockwrite64 *)&fib->data[0]; 962112856Sscottl bw->Command = VM_CtHostWrite64; 963112856Sscottl bw->ContainerId = ad->ad_container->co_mntobj.ObjectId; 964112856Sscottl bw->SectorCount = bp->bio_bcount / AAC_BLOCK_SIZE; 965112856Sscottl bw->BlockNumber = bp->bio_pblkno; 966112856Sscottl bw->Pad = 0; 967112856Sscottl bw->Flags = 0; 968112856Sscottl fib->Header.Size += sizeof(struct aac_blockwrite64); 969112856Sscottl cm->cm_flags |= AAC_CMD_DATAIN; 970132771Skan cm->cm_sgtable = (struct aac_sg_table *)&bw->SgMap64; 971112856Sscottl } 97283114Sscottl } 97365793Smsmith 97483114Sscottl *cmp = cm; 97583114Sscottl return(0); 97665793Smsmith 97765793Smsmithfail: 97883114Sscottl if (bp != NULL) 97983114Sscottl aac_enqueue_bio(sc, bp); 98083114Sscottl if (cm != NULL) 98183114Sscottl aac_release_command(cm); 98283114Sscottl return(ENOMEM); 98365793Smsmith} 98465793Smsmith 98583114Sscottl/* 98665793Smsmith * Handle a bio-instigated command that has been completed. 98765793Smsmith */ 98865793Smsmithstatic void 98965793Smsmithaac_bio_complete(struct aac_command *cm) 99065793Smsmith{ 99183114Sscottl struct aac_blockread_response *brr; 99283114Sscottl struct aac_blockwrite_response *bwr; 99383114Sscottl struct bio *bp; 99483114Sscottl AAC_FSAStatus status; 99565793Smsmith 99683114Sscottl /* fetch relevant status and then release the command */ 99783114Sscottl bp = (struct bio *)cm->cm_private; 998111691Sscottl if (bp->bio_cmd == BIO_READ) { 99983114Sscottl brr = (struct aac_blockread_response *)&cm->cm_fib->data[0]; 100083114Sscottl status = brr->Status; 100183114Sscottl } else { 100283114Sscottl bwr = (struct aac_blockwrite_response *)&cm->cm_fib->data[0]; 100383114Sscottl status = bwr->Status; 100483114Sscottl } 100583114Sscottl aac_release_command(cm); 100665793Smsmith 100783114Sscottl /* fix up the bio based on status */ 100883114Sscottl if (status == ST_OK) { 100983114Sscottl bp->bio_resid = 0; 101083114Sscottl } else { 101183114Sscottl bp->bio_error = EIO; 101283114Sscottl bp->bio_flags |= BIO_ERROR; 101383114Sscottl /* pass an error string out to the disk layer */ 101483114Sscottl bp->bio_driver1 = aac_describe_code(aac_command_status_table, 101583114Sscottl status); 101683114Sscottl } 101783114Sscottl aac_biodone(bp); 101865793Smsmith} 101965793Smsmith 102083114Sscottl/* 102165793Smsmith * Submit a command to the controller, return when it completes. 102287183Sscottl * XXX This is very dangerous! If the card has gone out to lunch, we could 102387183Sscottl * be stuck here forever. At the same time, signals are not caught 1024128258Sscottl * because there is a risk that a signal could wakeup the sleep before 1025128258Sscottl * the card has a chance to complete the command. Since there is no way 1026128258Sscottl * to cancel a command that is in progress, we can't protect against the 1027128258Sscottl * card completing a command late and spamming the command and data 1028128258Sscottl * memory. So, we are held hostage until the command completes. 102965793Smsmith */ 103065793Smsmithstatic int 1031128258Sscottlaac_wait_command(struct aac_command *cm) 103265793Smsmith{ 1033111532Sscottl struct aac_softc *sc; 1034128258Sscottl int error; 103565793Smsmith 103683114Sscottl debug_called(2); 103765793Smsmith 1038111532Sscottl sc = cm->cm_sc; 1039111532Sscottl 104083114Sscottl /* Put the command on the ready queue and get things going */ 104183114Sscottl cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE; 104283114Sscottl aac_enqueue_ready(cm); 1043111532Sscottl aac_startio(sc); 1044128258Sscottl error = msleep(cm, &sc->aac_io_lock, PRIBIO, "aacwait", 0); 104583114Sscottl return(error); 104665793Smsmith} 104765793Smsmith 104883114Sscottl/* 104983114Sscottl *Command Buffer Management 105083114Sscottl */ 105165793Smsmith 105283114Sscottl/* 105365793Smsmith * Allocate a command. 105465793Smsmith */ 105595536Sscottlint 105665793Smsmithaac_alloc_command(struct aac_softc *sc, struct aac_command **cmp) 105765793Smsmith{ 105883114Sscottl struct aac_command *cm; 105965793Smsmith 106083114Sscottl debug_called(3); 106165793Smsmith 1062110604Sscottl if ((cm = aac_dequeue_free(sc)) == NULL) { 1063112856Sscottl if (sc->total_fibs < sc->aac_max_fibs) { 1064112856Sscottl sc->aifflags |= AAC_AIFFLAGS_ALLOCFIBS; 1065112856Sscottl wakeup(sc->aifthread); 1066112856Sscottl } 1067111532Sscottl return (EBUSY); 1068110604Sscottl } 106965793Smsmith 107083114Sscottl *cmp = cm; 107183114Sscottl return(0); 107270393Smsmith} 107370393Smsmith 107483114Sscottl/* 107570393Smsmith * Release a command back to the freelist. 107670393Smsmith */ 107795536Sscottlvoid 107870393Smsmithaac_release_command(struct aac_command *cm) 107970393Smsmith{ 108083114Sscottl debug_called(3); 108170393Smsmith 108283114Sscottl /* (re)initialise the command/FIB */ 108383114Sscottl cm->cm_sgtable = NULL; 108483114Sscottl cm->cm_flags = 0; 108583114Sscottl cm->cm_complete = NULL; 108683114Sscottl cm->cm_private = NULL; 108783114Sscottl cm->cm_fib->Header.XferState = AAC_FIBSTATE_EMPTY; 108883114Sscottl cm->cm_fib->Header.StructType = AAC_FIBTYPE_TFIB; 108983114Sscottl cm->cm_fib->Header.Flags = 0; 109083114Sscottl cm->cm_fib->Header.SenderSize = sizeof(struct aac_fib); 109165793Smsmith 109283114Sscottl /* 109383114Sscottl * These are duplicated in aac_start to cover the case where an 109483114Sscottl * intermediate stage may have destroyed them. They're left 109583114Sscottl * initialised here for debugging purposes only. 109683114Sscottl */ 1097109088Sscottl cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys; 1098109088Sscottl cm->cm_fib->Header.SenderData = 0; 109965793Smsmith 110083114Sscottl aac_enqueue_free(cm); 110165793Smsmith} 110265793Smsmith 110383114Sscottl/* 110470393Smsmith * Map helper for command/FIB allocation. 110565793Smsmith */ 110665793Smsmithstatic void 110770393Smsmithaac_map_command_helper(void *arg, bus_dma_segment_t *segs, int nseg, int error) 110865793Smsmith{ 1109111141Sscottl uint32_t *fibphys; 111065793Smsmith 1111111141Sscottl fibphys = (uint32_t *)arg; 111265793Smsmith 111383114Sscottl debug_called(3); 111483114Sscottl 1115110604Sscottl *fibphys = segs[0].ds_addr; 111665793Smsmith} 111765793Smsmith 111883114Sscottl/* 111970393Smsmith * Allocate and initialise commands/FIBs for this adapter. 112065793Smsmith */ 112170393Smsmithstatic int 112270393Smsmithaac_alloc_commands(struct aac_softc *sc) 112365793Smsmith{ 112483114Sscottl struct aac_command *cm; 1125110604Sscottl struct aac_fibmap *fm; 1126111141Sscottl uint32_t fibphys; 1127110604Sscottl int i, error; 112865793Smsmith 1129112679Sscottl debug_called(2); 113065793Smsmith 1131112679Sscottl if (sc->total_fibs + AAC_FIB_COUNT > sc->aac_max_fibs) 1132110604Sscottl return (ENOMEM); 1133110604Sscottl 1134111141Sscottl fm = malloc(sizeof(struct aac_fibmap), M_AACBUF, M_NOWAIT|M_ZERO); 1135112679Sscottl if (fm == NULL) 1136112679Sscottl return (ENOMEM); 1137110604Sscottl 113883114Sscottl /* allocate the FIBs in DMAable memory and load them */ 1139110604Sscottl if (bus_dmamem_alloc(sc->aac_fib_dmat, (void **)&fm->aac_fibs, 1140110604Sscottl BUS_DMA_NOWAIT, &fm->aac_fibmap)) { 1141110426Sscottl device_printf(sc->aac_dev, 1142110426Sscottl "Not enough contiguous memory available.\n"); 1143111141Sscottl free(fm, M_AACBUF); 1144102602Sscottl return (ENOMEM); 114583114Sscottl } 1146109716Sscottl 1147117363Sscottl /* Ignore errors since this doesn't bounce */ 1148117363Sscottl (void)bus_dmamap_load(sc->aac_fib_dmat, fm->aac_fibmap, fm->aac_fibs, 1149117363Sscottl AAC_FIB_COUNT * sizeof(struct aac_fib), 1150117363Sscottl aac_map_command_helper, &fibphys, 0); 1151109716Sscottl 1152109716Sscottl /* initialise constant fields in the command structure */ 1153125225Sscottl AAC_LOCK_ACQUIRE(&sc->aac_io_lock); 1154110604Sscottl bzero(fm->aac_fibs, AAC_FIB_COUNT * sizeof(struct aac_fib)); 115583114Sscottl for (i = 0; i < AAC_FIB_COUNT; i++) { 1156111141Sscottl cm = sc->aac_commands + sc->total_fibs; 1157110604Sscottl fm->aac_commands = cm; 115883114Sscottl cm->cm_sc = sc; 1159110604Sscottl cm->cm_fib = fm->aac_fibs + i; 1160111141Sscottl cm->cm_fibphys = fibphys + (i * sizeof(struct aac_fib)); 1161111152Sscottl cm->cm_index = sc->total_fibs; 116265793Smsmith 1163110604Sscottl if ((error = bus_dmamap_create(sc->aac_buffer_dmat, 0, 1164110604Sscottl &cm->cm_datamap)) == 0) 116583114Sscottl aac_release_command(cm); 1166111141Sscottl else 1167111141Sscottl break; 1168111141Sscottl sc->total_fibs++; 116983114Sscottl } 1170110604Sscottl 1171111141Sscottl if (i > 0) { 1172111141Sscottl TAILQ_INSERT_TAIL(&sc->aac_fibmap_tqh, fm, fm_link); 1173112679Sscottl debug(1, "total_fibs= %d\n", sc->total_fibs); 1174125225Sscottl AAC_LOCK_RELEASE(&sc->aac_io_lock); 1175111141Sscottl return (0); 1176111141Sscottl } 1177110604Sscottl 1178125225Sscottl AAC_LOCK_RELEASE(&sc->aac_io_lock); 1179111141Sscottl bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap); 1180111141Sscottl bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap); 1181111141Sscottl free(fm, M_AACBUF); 1182111141Sscottl return (ENOMEM); 118365793Smsmith} 118465793Smsmith 118583114Sscottl/* 118670393Smsmith * Free FIBs owned by this adapter. 118765793Smsmith */ 118865793Smsmithstatic void 1189111141Sscottlaac_free_commands(struct aac_softc *sc) 119065793Smsmith{ 1191111141Sscottl struct aac_fibmap *fm; 1192110604Sscottl struct aac_command *cm; 119383114Sscottl int i; 119465793Smsmith 119583114Sscottl debug_called(1); 119665793Smsmith 1197111141Sscottl while ((fm = TAILQ_FIRST(&sc->aac_fibmap_tqh)) != NULL) { 1198111141Sscottl 1199111141Sscottl TAILQ_REMOVE(&sc->aac_fibmap_tqh, fm, fm_link); 1200111141Sscottl /* 1201111141Sscottl * We check against total_fibs to handle partially 1202111141Sscottl * allocated blocks. 1203111141Sscottl */ 1204111141Sscottl for (i = 0; i < AAC_FIB_COUNT && sc->total_fibs--; i++) { 1205111141Sscottl cm = fm->aac_commands + i; 1206111141Sscottl bus_dmamap_destroy(sc->aac_buffer_dmat, cm->cm_datamap); 1207111141Sscottl } 1208111141Sscottl bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap); 1209111141Sscottl bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap); 1210111141Sscottl free(fm, M_AACBUF); 1211110604Sscottl } 121265793Smsmith} 121365793Smsmith 121483114Sscottl/* 121565793Smsmith * Command-mapping helper function - populate this command's s/g table. 121665793Smsmith */ 121765793Smsmithstatic void 121865793Smsmithaac_map_command_sg(void *arg, bus_dma_segment_t *segs, int nseg, int error) 121965793Smsmith{ 1220117363Sscottl struct aac_softc *sc; 122183114Sscottl struct aac_command *cm; 122283114Sscottl struct aac_fib *fib; 122383114Sscottl int i; 122465793Smsmith 122583114Sscottl debug_called(3); 122665793Smsmith 122783114Sscottl cm = (struct aac_command *)arg; 1228117363Sscottl sc = cm->cm_sc; 122983114Sscottl fib = cm->cm_fib; 123065793Smsmith 123183114Sscottl /* copy into the FIB */ 1232112856Sscottl if (cm->cm_sgtable != NULL) { 1233112856Sscottl if ((cm->cm_sc->flags & AAC_FLAGS_SG_64BIT) == 0) { 1234112856Sscottl struct aac_sg_table *sg; 1235112856Sscottl sg = cm->cm_sgtable; 1236112856Sscottl sg->SgCount = nseg; 1237112856Sscottl for (i = 0; i < nseg; i++) { 1238112856Sscottl sg->SgEntry[i].SgAddress = segs[i].ds_addr; 1239112856Sscottl sg->SgEntry[i].SgByteCount = segs[i].ds_len; 1240112856Sscottl } 1241112856Sscottl /* update the FIB size for the s/g count */ 1242112856Sscottl fib->Header.Size += nseg * sizeof(struct aac_sg_entry); 1243112856Sscottl } else { 1244112856Sscottl struct aac_sg_table64 *sg; 1245112856Sscottl sg = (struct aac_sg_table64 *)cm->cm_sgtable; 1246112856Sscottl sg->SgCount = nseg; 1247112856Sscottl for (i = 0; i < nseg; i++) { 1248112856Sscottl sg->SgEntry64[i].SgAddress = segs[i].ds_addr; 1249112856Sscottl sg->SgEntry64[i].SgByteCount = segs[i].ds_len; 1250112856Sscottl } 1251112856Sscottl /* update the FIB size for the s/g count */ 1252112856Sscottl fib->Header.Size += nseg*sizeof(struct aac_sg_entry64); 125383114Sscottl } 125465793Smsmith } 125565793Smsmith 1256117363Sscottl /* Fix up the address values in the FIB. Use the command array index 1257117363Sscottl * instead of a pointer since these fields are only 32 bits. Shift 1258117363Sscottl * the SenderFibAddress over to make room for the fast response bit. 1259117363Sscottl */ 1260117363Sscottl cm->cm_fib->Header.SenderFibAddress = (cm->cm_index << 1); 1261117363Sscottl cm->cm_fib->Header.ReceiverFibAddress = cm->cm_fibphys; 126265793Smsmith 1263117363Sscottl /* save a pointer to the command for speedy reverse-lookup */ 1264117363Sscottl cm->cm_fib->Header.SenderData = cm->cm_index; 126565793Smsmith 1266117363Sscottl if (cm->cm_flags & AAC_CMD_DATAIN) 1267117363Sscottl bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap, 1268117363Sscottl BUS_DMASYNC_PREREAD); 1269117363Sscottl if (cm->cm_flags & AAC_CMD_DATAOUT) 1270117363Sscottl bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap, 1271117363Sscottl BUS_DMASYNC_PREWRITE); 1272117363Sscottl cm->cm_flags |= AAC_CMD_MAPPED; 127365793Smsmith 1274129923Sscottl /* Put the FIB on the outbound queue */ 1275125559Sscottl if (aac_enqueue_fib(sc, cm->cm_queue, cm) == EBUSY) { 1276125559Sscottl aac_unmap_command(cm); 1277129923Sscottl sc->flags |= AAC_QUEUE_FRZN; 1278117363Sscottl aac_requeue_ready(cm); 1279125559Sscottl } 128065793Smsmith 1281117363Sscottl return; 128265793Smsmith} 128365793Smsmith 128483114Sscottl/* 128565793Smsmith * Unmap a command from controller-visible space. 128665793Smsmith */ 128765793Smsmithstatic void 128865793Smsmithaac_unmap_command(struct aac_command *cm) 128965793Smsmith{ 129083114Sscottl struct aac_softc *sc; 129165793Smsmith 129283114Sscottl debug_called(2); 129365793Smsmith 129483114Sscottl sc = cm->cm_sc; 129565793Smsmith 129683114Sscottl if (!(cm->cm_flags & AAC_CMD_MAPPED)) 129783114Sscottl return; 129865793Smsmith 129983114Sscottl if (cm->cm_datalen != 0) { 130083114Sscottl if (cm->cm_flags & AAC_CMD_DATAIN) 130183114Sscottl bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap, 130283114Sscottl BUS_DMASYNC_POSTREAD); 130383114Sscottl if (cm->cm_flags & AAC_CMD_DATAOUT) 130483114Sscottl bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap, 130583114Sscottl BUS_DMASYNC_POSTWRITE); 130683114Sscottl 130783114Sscottl bus_dmamap_unload(sc->aac_buffer_dmat, cm->cm_datamap); 130883114Sscottl } 130983114Sscottl cm->cm_flags &= ~AAC_CMD_MAPPED; 131065793Smsmith} 131165793Smsmith 131283114Sscottl/* 131383114Sscottl * Hardware Interface 131483114Sscottl */ 131565793Smsmith 131683114Sscottl/* 131765793Smsmith * Initialise the adapter. 131865793Smsmith */ 131965793Smsmithstatic void 132065793Smsmithaac_common_map(void *arg, bus_dma_segment_t *segs, int nseg, int error) 132165793Smsmith{ 132283114Sscottl struct aac_softc *sc; 132365793Smsmith 132483114Sscottl debug_called(1); 132565793Smsmith 132683114Sscottl sc = (struct aac_softc *)arg; 132783114Sscottl 132883114Sscottl sc->aac_common_busaddr = segs[0].ds_addr; 132965793Smsmith} 133065793Smsmith 133165793Smsmithstatic int 133290275Sscottlaac_check_firmware(struct aac_softc *sc) 133390275Sscottl{ 1334112679Sscottl u_int32_t major, minor, options; 133590275Sscottl 133690275Sscottl debug_called(1); 133790275Sscottl 1338112679Sscottl /* 1339112679Sscottl * Retrieve the firmware version numbers. Dell PERC2/QC cards with 1340112679Sscottl * firmware version 1.x are not compatible with this driver. 1341112679Sscottl */ 1342112679Sscottl if (sc->flags & AAC_FLAGS_PERC2QC) { 134390275Sscottl if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0, 134490275Sscottl NULL)) { 134590275Sscottl device_printf(sc->aac_dev, 134690275Sscottl "Error reading firmware version\n"); 134790275Sscottl return (EIO); 134890275Sscottl } 134990275Sscottl 135090275Sscottl /* These numbers are stored as ASCII! */ 1351112679Sscottl major = (AAC_GET_MAILBOX(sc, 1) & 0xff) - 0x30; 1352112679Sscottl minor = (AAC_GET_MAILBOX(sc, 2) & 0xff) - 0x30; 135390275Sscottl if (major == 1) { 135490275Sscottl device_printf(sc->aac_dev, 135590275Sscottl "Firmware version %d.%d is not supported.\n", 135690275Sscottl major, minor); 135790275Sscottl return (EINVAL); 135890275Sscottl } 135990275Sscottl } 136090275Sscottl 1361112679Sscottl /* 1362112679Sscottl * Retrieve the capabilities/supported options word so we know what 1363112679Sscottl * work-arounds to enable. 1364112679Sscottl */ 1365112679Sscottl if (aac_sync_command(sc, AAC_MONKER_GETINFO, 0, 0, 0, 0, NULL)) { 1366112679Sscottl device_printf(sc->aac_dev, "RequestAdapterInfo failed\n"); 1367112679Sscottl return (EIO); 1368112679Sscottl } 1369112679Sscottl options = AAC_GET_MAILBOX(sc, 1); 1370112679Sscottl sc->supported_options = options; 1371112679Sscottl 1372112679Sscottl if ((options & AAC_SUPPORTED_4GB_WINDOW) != 0 && 1373112679Sscottl (sc->flags & AAC_FLAGS_NO4GB) == 0) 1374112679Sscottl sc->flags |= AAC_FLAGS_4GB_WINDOW; 1375112679Sscottl if (options & AAC_SUPPORTED_NONDASD) 1376112679Sscottl sc->flags |= AAC_FLAGS_ENABLE_CAM; 1377117363Sscottl if ((options & AAC_SUPPORTED_SGMAP_HOST64) != 0 1378117363Sscottl && (sizeof(bus_addr_t) > 4)) { 1379112679Sscottl device_printf(sc->aac_dev, "Enabling 64-bit address support\n"); 1380112679Sscottl sc->flags |= AAC_FLAGS_SG_64BIT; 1381112679Sscottl } 1382112679Sscottl 1383112679Sscottl /* Check for broken hardware that does a lower number of commands */ 1384112679Sscottl if ((sc->flags & AAC_FLAGS_256FIBS) == 0) 1385112679Sscottl sc->aac_max_fibs = AAC_MAX_FIBS; 1386112679Sscottl else 1387112679Sscottl sc->aac_max_fibs = 256; 1388112679Sscottl 138990275Sscottl return (0); 139090275Sscottl} 139190275Sscottl 139290275Sscottlstatic int 139365793Smsmithaac_init(struct aac_softc *sc) 139465793Smsmith{ 139583114Sscottl struct aac_adapter_init *ip; 139683114Sscottl time_t then; 1397119146Sscottl u_int32_t code, qoffset; 1398112679Sscottl int error; 139965793Smsmith 140083114Sscottl debug_called(1); 140165793Smsmith 140283114Sscottl /* 140383114Sscottl * First wait for the adapter to come ready. 140483114Sscottl */ 140583114Sscottl then = time_second; 140683114Sscottl do { 140783114Sscottl code = AAC_GET_FWSTATUS(sc); 140883114Sscottl if (code & AAC_SELF_TEST_FAILED) { 140983114Sscottl device_printf(sc->aac_dev, "FATAL: selftest failed\n"); 141083114Sscottl return(ENXIO); 141183114Sscottl } 141283114Sscottl if (code & AAC_KERNEL_PANIC) { 141383114Sscottl device_printf(sc->aac_dev, 141483114Sscottl "FATAL: controller kernel panic\n"); 141583114Sscottl return(ENXIO); 141683114Sscottl } 141783114Sscottl if (time_second > (then + AAC_BOOT_TIMEOUT)) { 141883114Sscottl device_printf(sc->aac_dev, 141983114Sscottl "FATAL: controller not coming ready, " 142083114Sscottl "status %x\n", code); 142183114Sscottl return(ENXIO); 142283114Sscottl } 142383114Sscottl } while (!(code & AAC_UP_AND_RUNNING)); 142483114Sscottl 1425112679Sscottl error = ENOMEM; 142683114Sscottl /* 1427112679Sscottl * Create DMA tag for mapping buffers into controller-addressable space. 1428112679Sscottl */ 1429112679Sscottl if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 1430112679Sscottl 1, 0, /* algnmnt, boundary */ 1431112679Sscottl (sc->flags & AAC_FLAGS_SG_64BIT) ? 1432112679Sscottl BUS_SPACE_MAXADDR : 1433112679Sscottl BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 1434112679Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 1435112679Sscottl NULL, NULL, /* filter, filterarg */ 1436112679Sscottl MAXBSIZE, /* maxsize */ 1437112679Sscottl AAC_MAXSGENTRIES, /* nsegments */ 1438112679Sscottl MAXBSIZE, /* maxsegsize */ 1439112679Sscottl BUS_DMA_ALLOCNOW, /* flags */ 1440117126Sscottl busdma_lock_mutex, /* lockfunc */ 1441117126Sscottl &sc->aac_io_lock, /* lockfuncarg */ 1442112679Sscottl &sc->aac_buffer_dmat)) { 1443112679Sscottl device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n"); 1444112679Sscottl goto out; 1445112679Sscottl } 1446112679Sscottl 1447112679Sscottl /* 1448112679Sscottl * Create DMA tag for mapping FIBs into controller-addressable space.. 1449112679Sscottl */ 1450112679Sscottl if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 1451112679Sscottl 1, 0, /* algnmnt, boundary */ 1452112679Sscottl (sc->flags & AAC_FLAGS_4GB_WINDOW) ? 1453112679Sscottl BUS_SPACE_MAXADDR_32BIT : 1454112679Sscottl 0x7fffffff, /* lowaddr */ 1455112679Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 1456112679Sscottl NULL, NULL, /* filter, filterarg */ 1457112679Sscottl AAC_FIB_COUNT * 1458112679Sscottl sizeof(struct aac_fib), /* maxsize */ 1459112679Sscottl 1, /* nsegments */ 1460112679Sscottl AAC_FIB_COUNT * 1461112679Sscottl sizeof(struct aac_fib), /* maxsegsize */ 1462112679Sscottl BUS_DMA_ALLOCNOW, /* flags */ 1463117126Sscottl NULL, NULL, /* No locking needed */ 1464112679Sscottl &sc->aac_fib_dmat)) { 1465112679Sscottl device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");; 1466112679Sscottl goto out; 1467112679Sscottl } 1468112679Sscottl 1469112679Sscottl /* 147083114Sscottl * Create DMA tag for the common structure and allocate it. 147183114Sscottl */ 147283114Sscottl if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 147395536Sscottl 1, 0, /* algnmnt, boundary */ 1474112679Sscottl (sc->flags & AAC_FLAGS_4GB_WINDOW) ? 1475112679Sscottl BUS_SPACE_MAXADDR_32BIT : 1476112679Sscottl 0x7fffffff, /* lowaddr */ 147783114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 147883114Sscottl NULL, NULL, /* filter, filterarg */ 1479110604Sscottl 8192 + sizeof(struct aac_common), /* maxsize */ 148083114Sscottl 1, /* nsegments */ 148183114Sscottl BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 1482112679Sscottl BUS_DMA_ALLOCNOW, /* flags */ 1483117126Sscottl NULL, NULL, /* No locking needed */ 148483114Sscottl &sc->aac_common_dmat)) { 148583114Sscottl device_printf(sc->aac_dev, 148683114Sscottl "can't allocate common structure DMA tag\n"); 1487112679Sscottl goto out; 148865793Smsmith } 148983114Sscottl if (bus_dmamem_alloc(sc->aac_common_dmat, (void **)&sc->aac_common, 149083114Sscottl BUS_DMA_NOWAIT, &sc->aac_common_dmamap)) { 149183114Sscottl device_printf(sc->aac_dev, "can't allocate common structure\n"); 1492112679Sscottl goto out; 149365793Smsmith } 1494110604Sscottl 1495110604Sscottl /* 1496110604Sscottl * Work around a bug in the 2120 and 2200 that cannot DMA commands 1497110604Sscottl * below address 8192 in physical memory. 1498110604Sscottl * XXX If the padding is not needed, can it be put to use instead 1499110604Sscottl * of ignored? 1500110604Sscottl */ 1501117363Sscottl (void)bus_dmamap_load(sc->aac_common_dmat, sc->aac_common_dmamap, 1502110604Sscottl sc->aac_common, 8192 + sizeof(*sc->aac_common), 1503110604Sscottl aac_common_map, sc, 0); 1504110604Sscottl 1505110604Sscottl if (sc->aac_common_busaddr < 8192) { 1506132771Skan sc->aac_common = (struct aac_common *) 1507132771Skan ((uint8_t *)sc->aac_common + 8192); 1508110604Sscottl sc->aac_common_busaddr += 8192; 1509110604Sscottl } 151083114Sscottl bzero(sc->aac_common, sizeof(*sc->aac_common)); 1511110604Sscottl 1512110604Sscottl /* Allocate some FIBs and associated command structs */ 1513110604Sscottl TAILQ_INIT(&sc->aac_fibmap_tqh); 1514110604Sscottl sc->aac_commands = malloc(AAC_MAX_FIBS * sizeof(struct aac_command), 1515111141Sscottl M_AACBUF, M_WAITOK|M_ZERO); 1516111141Sscottl while (sc->total_fibs < AAC_PREALLOCATE_FIBS) { 1517110604Sscottl if (aac_alloc_commands(sc) != 0) 1518110604Sscottl break; 1519110604Sscottl } 1520110604Sscottl if (sc->total_fibs == 0) 1521112679Sscottl goto out; 152283114Sscottl 152383114Sscottl /* 152483114Sscottl * Fill in the init structure. This tells the adapter about the 152583114Sscottl * physical location of various important shared data structures. 152683114Sscottl */ 152783114Sscottl ip = &sc->aac_common->ac_init; 152883114Sscottl ip->InitStructRevision = AAC_INIT_STRUCT_REVISION; 1529109088Sscottl ip->MiniPortRevision = AAC_INIT_STRUCT_MINIPORT_REVISION; 153065793Smsmith 153183114Sscottl ip->AdapterFibsPhysicalAddress = sc->aac_common_busaddr + 153283114Sscottl offsetof(struct aac_common, ac_fibs); 1533114151Sscottl ip->AdapterFibsVirtualAddress = 0; 153483114Sscottl ip->AdapterFibsSize = AAC_ADAPTER_FIBS * sizeof(struct aac_fib); 153583114Sscottl ip->AdapterFibAlign = sizeof(struct aac_fib); 153665793Smsmith 153783114Sscottl ip->PrintfBufferAddress = sc->aac_common_busaddr + 153883114Sscottl offsetof(struct aac_common, ac_printf); 153983114Sscottl ip->PrintfBufferSize = AAC_PRINTF_BUFSIZE; 154065793Smsmith 1541117361Sscottl /* 1542117361Sscottl * The adapter assumes that pages are 4K in size, except on some 1543117361Sscottl * broken firmware versions that do the page->byte conversion twice, 1544117361Sscottl * therefore 'assuming' that this value is in 16MB units (2^24). 1545117361Sscottl * Round up since the granularity is so high. 1546117361Sscottl */ 1547109088Sscottl ip->HostPhysMemPages = ctob(physmem) / AAC_PAGE_SIZE; 1548117361Sscottl if (sc->flags & AAC_FLAGS_BROKEN_MEMMAP) { 1549117361Sscottl ip->HostPhysMemPages = 1550117361Sscottl (ip->HostPhysMemPages + AAC_PAGE_SIZE) / AAC_PAGE_SIZE; 1551117362Sscottl } 155283114Sscottl ip->HostElapsedSeconds = time_second; /* reset later if invalid */ 155365793Smsmith 155483114Sscottl /* 155583114Sscottl * Initialise FIB queues. Note that it appears that the layout of the 155683114Sscottl * indexes and the segmentation of the entries may be mandated by the 155783114Sscottl * adapter, which is only told about the base of the queue index fields. 155883114Sscottl * 155983114Sscottl * The initial values of the indices are assumed to inform the adapter 156083114Sscottl * of the sizes of the respective queues, and theoretically it could 156183114Sscottl * work out the entire layout of the queue structures from this. We 156283114Sscottl * take the easy route and just lay this area out like everyone else 156383114Sscottl * does. 156483114Sscottl * 156583114Sscottl * The Linux driver uses a much more complex scheme whereby several 156683114Sscottl * header records are kept for each queue. We use a couple of generic 156783114Sscottl * list manipulation functions which 'know' the size of each list by 156883114Sscottl * virtue of a table. 156983114Sscottl */ 1570119146Sscottl qoffset = offsetof(struct aac_common, ac_qbuf) + AAC_QUEUE_ALIGN; 1571119625Sscottl qoffset &= ~(AAC_QUEUE_ALIGN - 1); 1572119625Sscottl sc->aac_queues = 1573119625Sscottl (struct aac_queue_table *)((uintptr_t)sc->aac_common + qoffset); 1574119146Sscottl ip->CommHeaderAddress = sc->aac_common_busaddr + qoffset; 157565793Smsmith 157683114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] = 157781082Sscottl AAC_HOST_NORM_CMD_ENTRIES; 157883114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] = 157981082Sscottl AAC_HOST_NORM_CMD_ENTRIES; 158083114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] = 158181082Sscottl AAC_HOST_HIGH_CMD_ENTRIES; 158283114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] = 158381082Sscottl AAC_HOST_HIGH_CMD_ENTRIES; 158483114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] = 158581082Sscottl AAC_ADAP_NORM_CMD_ENTRIES; 158683114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] = 158781082Sscottl AAC_ADAP_NORM_CMD_ENTRIES; 158883114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] = 158981082Sscottl AAC_ADAP_HIGH_CMD_ENTRIES; 159083114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] = 159181082Sscottl AAC_ADAP_HIGH_CMD_ENTRIES; 159283114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]= 159381082Sscottl AAC_HOST_NORM_RESP_ENTRIES; 159483114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]= 159581082Sscottl AAC_HOST_NORM_RESP_ENTRIES; 159683114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]= 159781082Sscottl AAC_HOST_HIGH_RESP_ENTRIES; 159883114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]= 159981082Sscottl AAC_HOST_HIGH_RESP_ENTRIES; 160083114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]= 160181082Sscottl AAC_ADAP_NORM_RESP_ENTRIES; 160283114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]= 160381082Sscottl AAC_ADAP_NORM_RESP_ENTRIES; 160483114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]= 160581082Sscottl AAC_ADAP_HIGH_RESP_ENTRIES; 160683114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]= 160781082Sscottl AAC_ADAP_HIGH_RESP_ENTRIES; 160883114Sscottl sc->aac_qentries[AAC_HOST_NORM_CMD_QUEUE] = 160981082Sscottl &sc->aac_queues->qt_HostNormCmdQueue[0]; 161083114Sscottl sc->aac_qentries[AAC_HOST_HIGH_CMD_QUEUE] = 161181082Sscottl &sc->aac_queues->qt_HostHighCmdQueue[0]; 161283114Sscottl sc->aac_qentries[AAC_ADAP_NORM_CMD_QUEUE] = 161381082Sscottl &sc->aac_queues->qt_AdapNormCmdQueue[0]; 161483114Sscottl sc->aac_qentries[AAC_ADAP_HIGH_CMD_QUEUE] = 161581082Sscottl &sc->aac_queues->qt_AdapHighCmdQueue[0]; 161683114Sscottl sc->aac_qentries[AAC_HOST_NORM_RESP_QUEUE] = 161781082Sscottl &sc->aac_queues->qt_HostNormRespQueue[0]; 161883114Sscottl sc->aac_qentries[AAC_HOST_HIGH_RESP_QUEUE] = 161981082Sscottl &sc->aac_queues->qt_HostHighRespQueue[0]; 162083114Sscottl sc->aac_qentries[AAC_ADAP_NORM_RESP_QUEUE] = 162181082Sscottl &sc->aac_queues->qt_AdapNormRespQueue[0]; 162283114Sscottl sc->aac_qentries[AAC_ADAP_HIGH_RESP_QUEUE] = 162381082Sscottl &sc->aac_queues->qt_AdapHighRespQueue[0]; 162465793Smsmith 162583114Sscottl /* 162683114Sscottl * Do controller-type-specific initialisation 162783114Sscottl */ 162883114Sscottl switch (sc->aac_hwif) { 162983114Sscottl case AAC_HWIF_I960RX: 163083114Sscottl AAC_SETREG4(sc, AAC_RX_ODBR, ~0); 163183114Sscottl break; 163283114Sscottl } 163365793Smsmith 163483114Sscottl /* 163583114Sscottl * Give the init structure to the controller. 163683114Sscottl */ 163783114Sscottl if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT, 163883114Sscottl sc->aac_common_busaddr + 163983114Sscottl offsetof(struct aac_common, ac_init), 0, 0, 0, 164083114Sscottl NULL)) { 164183114Sscottl device_printf(sc->aac_dev, 164283114Sscottl "error establishing init structure\n"); 1643112679Sscottl error = EIO; 1644112679Sscottl goto out; 164583114Sscottl } 164665793Smsmith 1647112679Sscottl error = 0; 1648112679Sscottlout: 1649112679Sscottl return(error); 165065793Smsmith} 165165793Smsmith 165283114Sscottl/* 165365793Smsmith * Send a synchronous command to the controller and wait for a result. 165465793Smsmith */ 165565793Smsmithstatic int 165665793Smsmithaac_sync_command(struct aac_softc *sc, u_int32_t command, 165770393Smsmith u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3, 165870393Smsmith u_int32_t *sp) 165965793Smsmith{ 166083114Sscottl time_t then; 166183114Sscottl u_int32_t status; 166265793Smsmith 166383114Sscottl debug_called(3); 166465793Smsmith 166583114Sscottl /* populate the mailbox */ 166683114Sscottl AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3); 166765793Smsmith 166883114Sscottl /* ensure the sync command doorbell flag is cleared */ 166983114Sscottl AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND); 167065793Smsmith 167183114Sscottl /* then set it to signal the adapter */ 167283114Sscottl AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND); 167365793Smsmith 167483114Sscottl /* spin waiting for the command to complete */ 167583114Sscottl then = time_second; 167683114Sscottl do { 167783114Sscottl if (time_second > (then + AAC_IMMEDIATE_TIMEOUT)) { 1678112679Sscottl debug(1, "timed out"); 167983114Sscottl return(EIO); 168083114Sscottl } 168183114Sscottl } while (!(AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND)); 168265793Smsmith 168383114Sscottl /* clear the completion flag */ 168483114Sscottl AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND); 168565793Smsmith 168683114Sscottl /* get the command status */ 1687112679Sscottl status = AAC_GET_MAILBOX(sc, 0); 168883114Sscottl if (sp != NULL) 168983114Sscottl *sp = status; 169083114Sscottl return(0); 169165793Smsmith} 169265793Smsmith 169395350Sscottlint 169465793Smsmithaac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate, 169595350Sscottl struct aac_fib *fib, u_int16_t datasize) 169665793Smsmith{ 169783114Sscottl debug_called(3); 169865793Smsmith 169983114Sscottl if (datasize > AAC_FIB_DATASIZE) 170083114Sscottl return(EINVAL); 170165793Smsmith 170283114Sscottl /* 170383114Sscottl * Set up the sync FIB 170483114Sscottl */ 170583114Sscottl fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED | 170683114Sscottl AAC_FIBSTATE_INITIALISED | 170783114Sscottl AAC_FIBSTATE_EMPTY; 170883114Sscottl fib->Header.XferState |= xferstate; 170983114Sscottl fib->Header.Command = command; 171083114Sscottl fib->Header.StructType = AAC_FIBTYPE_TFIB; 171183114Sscottl fib->Header.Size = sizeof(struct aac_fib) + datasize; 171283114Sscottl fib->Header.SenderSize = sizeof(struct aac_fib); 1713119146Sscottl fib->Header.SenderFibAddress = 0; /* Not needed */ 171483114Sscottl fib->Header.ReceiverFibAddress = sc->aac_common_busaddr + 171583114Sscottl offsetof(struct aac_common, 171683114Sscottl ac_sync_fib); 171765793Smsmith 171883114Sscottl /* 171983114Sscottl * Give the FIB to the controller, wait for a response. 172083114Sscottl */ 172183114Sscottl if (aac_sync_command(sc, AAC_MONKER_SYNCFIB, 172283114Sscottl fib->Header.ReceiverFibAddress, 0, 0, 0, NULL)) { 172383114Sscottl debug(2, "IO error"); 172483114Sscottl return(EIO); 172583114Sscottl } 172681151Sscottl 172795350Sscottl return (0); 172865793Smsmith} 172965793Smsmith 173083114Sscottl/* 173165793Smsmith * Adapter-space FIB queue manipulation 173265793Smsmith * 173365793Smsmith * Note that the queue implementation here is a little funky; neither the PI or 173465793Smsmith * CI will ever be zero. This behaviour is a controller feature. 173565793Smsmith */ 173665793Smsmithstatic struct { 173783114Sscottl int size; 173883114Sscottl int notify; 173965793Smsmith} aac_qinfo[] = { 174083114Sscottl {AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL}, 174183114Sscottl {AAC_HOST_HIGH_CMD_ENTRIES, 0}, 174283114Sscottl {AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY}, 174383114Sscottl {AAC_ADAP_HIGH_CMD_ENTRIES, 0}, 174483114Sscottl {AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL}, 174583114Sscottl {AAC_HOST_HIGH_RESP_ENTRIES, 0}, 174683114Sscottl {AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY}, 174783114Sscottl {AAC_ADAP_HIGH_RESP_ENTRIES, 0} 174865793Smsmith}; 174965793Smsmith 175065793Smsmith/* 175181082Sscottl * Atomically insert an entry into the nominated queue, returns 0 on success or 175281082Sscottl * EBUSY if the queue is full. 175365793Smsmith * 175470393Smsmith * Note: it would be more efficient to defer notifying the controller in 175583114Sscottl * the case where we may be inserting several entries in rapid succession, 175683114Sscottl * but implementing this usefully may be difficult (it would involve a 175783114Sscottl * separate queue/notify interface). 175865793Smsmith */ 175965793Smsmithstatic int 176081151Sscottlaac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_command *cm) 176165793Smsmith{ 176283114Sscottl u_int32_t pi, ci; 1763111691Sscottl int error; 176483114Sscottl u_int32_t fib_size; 176583114Sscottl u_int32_t fib_addr; 176665793Smsmith 176783114Sscottl debug_called(3); 176882527Sscottl 176983114Sscottl fib_size = cm->cm_fib->Header.Size; 177083114Sscottl fib_addr = cm->cm_fib->Header.ReceiverFibAddress; 177181151Sscottl 177283114Sscottl /* get the producer/consumer indices */ 177383114Sscottl pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]; 177483114Sscottl ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]; 177565793Smsmith 177683114Sscottl /* wrap the queue? */ 177783114Sscottl if (pi >= aac_qinfo[queue].size) 177883114Sscottl pi = 0; 177965793Smsmith 178083114Sscottl /* check for queue full */ 178183114Sscottl if ((pi + 1) == ci) { 178283114Sscottl error = EBUSY; 178383114Sscottl goto out; 178483114Sscottl } 178565793Smsmith 1786129946Sscottl /* 1787129946Sscottl * To avoid a race with its completion interrupt, place this command on 1788129946Sscottl * the busy queue prior to advertising it to the controller. 1789129946Sscottl */ 1790129946Sscottl aac_enqueue_busy(cm); 1791129946Sscottl 179283114Sscottl /* populate queue entry */ 179383114Sscottl (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size; 179483114Sscottl (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr; 179565793Smsmith 179683114Sscottl /* update producer index */ 179783114Sscottl sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1; 179865793Smsmith 179983114Sscottl /* notify the adapter if we know how */ 180083114Sscottl if (aac_qinfo[queue].notify != 0) 180183114Sscottl AAC_QNOTIFY(sc, aac_qinfo[queue].notify); 180265793Smsmith 180383114Sscottl error = 0; 180465793Smsmith 180565793Smsmithout: 180683114Sscottl return(error); 180765793Smsmith} 180865793Smsmith 180965793Smsmith/* 181082527Sscottl * Atomically remove one entry from the nominated queue, returns 0 on 181182527Sscottl * success or ENOENT if the queue is empty. 181265793Smsmith */ 181365793Smsmithstatic int 181481082Sscottlaac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size, 181581082Sscottl struct aac_fib **fib_addr) 181665793Smsmith{ 181783114Sscottl u_int32_t pi, ci; 1818114151Sscottl u_int32_t fib_index; 1819111691Sscottl int error; 182083114Sscottl int notify; 182165793Smsmith 182283114Sscottl debug_called(3); 182365793Smsmith 182483114Sscottl /* get the producer/consumer indices */ 182583114Sscottl pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]; 182683114Sscottl ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]; 182765793Smsmith 182883114Sscottl /* check for queue empty */ 182983114Sscottl if (ci == pi) { 183083114Sscottl error = ENOENT; 183183114Sscottl goto out; 183283114Sscottl } 1833120129Sscottl 1834120129Sscottl /* wrap the pi so the following test works */ 1835120129Sscottl if (pi >= aac_qinfo[queue].size) 1836120129Sscottl pi = 0; 1837120129Sscottl 183883114Sscottl notify = 0; 183983114Sscottl if (ci == pi + 1) 184083114Sscottl notify++; 184181151Sscottl 184283114Sscottl /* wrap the queue? */ 184383114Sscottl if (ci >= aac_qinfo[queue].size) 184483114Sscottl ci = 0; 184565793Smsmith 184683114Sscottl /* fetch the entry */ 184783114Sscottl *fib_size = (sc->aac_qentries[queue] + ci)->aq_fib_size; 184865793Smsmith 1849114151Sscottl switch (queue) { 1850114151Sscottl case AAC_HOST_NORM_CMD_QUEUE: 1851114151Sscottl case AAC_HOST_HIGH_CMD_QUEUE: 1852114151Sscottl /* 1853114151Sscottl * The aq_fib_addr is only 32 bits wide so it can't be counted 1854114151Sscottl * on to hold an address. For AIF's, the adapter assumes 1855114151Sscottl * that it's giving us an address into the array of AIF fibs. 1856114151Sscottl * Therefore, we have to convert it to an index. 1857114151Sscottl */ 1858114151Sscottl fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr / 1859114151Sscottl sizeof(struct aac_fib); 1860114151Sscottl *fib_addr = &sc->aac_common->ac_fibs[fib_index]; 1861114151Sscottl break; 1862114151Sscottl 1863114151Sscottl case AAC_HOST_NORM_RESP_QUEUE: 1864114151Sscottl case AAC_HOST_HIGH_RESP_QUEUE: 1865114151Sscottl { 1866114151Sscottl struct aac_command *cm; 1867114151Sscottl 1868114151Sscottl /* 1869114151Sscottl * As above, an index is used instead of an actual address. 1870114151Sscottl * Gotta shift the index to account for the fast response 1871114151Sscottl * bit. No other correction is needed since this value was 1872114151Sscottl * originally provided by the driver via the SenderFibAddress 1873114151Sscottl * field. 1874114151Sscottl */ 1875114151Sscottl fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr; 1876114151Sscottl cm = sc->aac_commands + (fib_index >> 1); 1877114151Sscottl *fib_addr = cm->cm_fib; 1878114151Sscottl 1879114151Sscottl /* 1880114151Sscottl * Is this a fast response? If it is, update the fib fields in 1881114151Sscottl * local memory since the whole fib isn't DMA'd back up. 1882114151Sscottl */ 1883114151Sscottl if (fib_index & 0x01) { 1884114151Sscottl (*fib_addr)->Header.XferState |= AAC_FIBSTATE_DONEADAP; 1885114151Sscottl *((u_int32_t*)((*fib_addr)->data)) = AAC_ERROR_NORMAL; 1886114151Sscottl } 1887114151Sscottl break; 1888109088Sscottl } 1889114151Sscottl default: 1890114151Sscottl panic("Invalid queue in aac_dequeue_fib()"); 1891114151Sscottl break; 1892114151Sscottl } 1893114151Sscottl 189483114Sscottl /* update consumer index */ 189583114Sscottl sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1; 189665793Smsmith 189783114Sscottl /* if we have made the queue un-full, notify the adapter */ 189883114Sscottl if (notify && (aac_qinfo[queue].notify != 0)) 189983114Sscottl AAC_QNOTIFY(sc, aac_qinfo[queue].notify); 190083114Sscottl error = 0; 190165793Smsmith 190265793Smsmithout: 190383114Sscottl return(error); 190465793Smsmith} 190565793Smsmith 190683114Sscottl/* 190782527Sscottl * Put our response to an Adapter Initialed Fib on the response queue 190882527Sscottl */ 190982527Sscottlstatic int 191082527Sscottlaac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib) 191182527Sscottl{ 191283114Sscottl u_int32_t pi, ci; 1913111691Sscottl int error; 191483114Sscottl u_int32_t fib_size; 191583114Sscottl u_int32_t fib_addr; 191682527Sscottl 191783114Sscottl debug_called(1); 191882527Sscottl 191983114Sscottl /* Tell the adapter where the FIB is */ 192083114Sscottl fib_size = fib->Header.Size; 192183114Sscottl fib_addr = fib->Header.SenderFibAddress; 192283114Sscottl fib->Header.ReceiverFibAddress = fib_addr; 192382527Sscottl 192483114Sscottl /* get the producer/consumer indices */ 192583114Sscottl pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]; 192683114Sscottl ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]; 192782527Sscottl 192883114Sscottl /* wrap the queue? */ 192983114Sscottl if (pi >= aac_qinfo[queue].size) 193083114Sscottl pi = 0; 193182527Sscottl 193283114Sscottl /* check for queue full */ 193383114Sscottl if ((pi + 1) == ci) { 193483114Sscottl error = EBUSY; 193583114Sscottl goto out; 193683114Sscottl } 193782527Sscottl 193883114Sscottl /* populate queue entry */ 193983114Sscottl (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size; 194083114Sscottl (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr; 194182527Sscottl 194283114Sscottl /* update producer index */ 194383114Sscottl sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1; 194482527Sscottl 194583114Sscottl /* notify the adapter if we know how */ 194683114Sscottl if (aac_qinfo[queue].notify != 0) 194783114Sscottl AAC_QNOTIFY(sc, aac_qinfo[queue].notify); 194882527Sscottl 194983114Sscottl error = 0; 195082527Sscottl 195182527Sscottlout: 195283114Sscottl return(error); 195382527Sscottl} 195482527Sscottl 195583114Sscottl/* 195670393Smsmith * Check for commands that have been outstanding for a suspiciously long time, 195770393Smsmith * and complain about them. 195870393Smsmith */ 195970393Smsmithstatic void 196070393Smsmithaac_timeout(struct aac_softc *sc) 196170393Smsmith{ 196283114Sscottl struct aac_command *cm; 196383114Sscottl time_t deadline; 196470393Smsmith 196583114Sscottl /* 1966110426Sscottl * Traverse the busy command list, bitch about late commands once 196783114Sscottl * only. 196883114Sscottl */ 196983114Sscottl deadline = time_second - AAC_CMD_TIMEOUT; 197083114Sscottl TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) { 197183114Sscottl if ((cm->cm_timestamp < deadline) 197283114Sscottl /* && !(cm->cm_flags & AAC_CMD_TIMEDOUT) */) { 197383114Sscottl cm->cm_flags |= AAC_CMD_TIMEDOUT; 197483114Sscottl device_printf(sc->aac_dev, 197583114Sscottl "COMMAND %p TIMEOUT AFTER %d SECONDS\n", 197683114Sscottl cm, (int)(time_second-cm->cm_timestamp)); 197783114Sscottl AAC_PRINT_FIB(sc, cm->cm_fib); 197883114Sscottl } 197970393Smsmith } 198070393Smsmith 198183114Sscottl return; 198270393Smsmith} 198370393Smsmith 198483114Sscottl/* 198583114Sscottl * Interface Function Vectors 198683114Sscottl */ 198765793Smsmith 198883114Sscottl/* 198965793Smsmith * Read the current firmware status word. 199065793Smsmith */ 199165793Smsmithstatic int 199265793Smsmithaac_sa_get_fwstatus(struct aac_softc *sc) 199365793Smsmith{ 199483114Sscottl debug_called(3); 199565793Smsmith 199683114Sscottl return(AAC_GETREG4(sc, AAC_SA_FWSTATUS)); 199765793Smsmith} 199865793Smsmith 199965793Smsmithstatic int 200065793Smsmithaac_rx_get_fwstatus(struct aac_softc *sc) 200165793Smsmith{ 200283114Sscottl debug_called(3); 200365793Smsmith 200483114Sscottl return(AAC_GETREG4(sc, AAC_RX_FWSTATUS)); 200565793Smsmith} 200665793Smsmith 200787183Sscottlstatic int 200887183Sscottlaac_fa_get_fwstatus(struct aac_softc *sc) 200987183Sscottl{ 201087183Sscottl int val; 201187183Sscottl 201287183Sscottl debug_called(3); 201387183Sscottl 201487183Sscottl val = AAC_GETREG4(sc, AAC_FA_FWSTATUS); 201587183Sscottl return (val); 201687183Sscottl} 201787183Sscottl 201883114Sscottl/* 201965793Smsmith * Notify the controller of a change in a given queue 202065793Smsmith */ 202165793Smsmith 202265793Smsmithstatic void 202365793Smsmithaac_sa_qnotify(struct aac_softc *sc, int qbit) 202465793Smsmith{ 202583114Sscottl debug_called(3); 202665793Smsmith 202783114Sscottl AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit); 202865793Smsmith} 202965793Smsmith 203065793Smsmithstatic void 203165793Smsmithaac_rx_qnotify(struct aac_softc *sc, int qbit) 203265793Smsmith{ 203383114Sscottl debug_called(3); 203465793Smsmith 203583114Sscottl AAC_SETREG4(sc, AAC_RX_IDBR, qbit); 203665793Smsmith} 203765793Smsmith 203887183Sscottlstatic void 203987183Sscottlaac_fa_qnotify(struct aac_softc *sc, int qbit) 204087183Sscottl{ 204187183Sscottl debug_called(3); 204287183Sscottl 204387183Sscottl AAC_SETREG2(sc, AAC_FA_DOORBELL1, qbit); 204487183Sscottl AAC_FA_HACK(sc); 204587183Sscottl} 204687183Sscottl 204783114Sscottl/* 204865793Smsmith * Get the interrupt reason bits 204965793Smsmith */ 205065793Smsmithstatic int 205165793Smsmithaac_sa_get_istatus(struct aac_softc *sc) 205265793Smsmith{ 205383114Sscottl debug_called(3); 205465793Smsmith 205583114Sscottl return(AAC_GETREG2(sc, AAC_SA_DOORBELL0)); 205665793Smsmith} 205765793Smsmith 205865793Smsmithstatic int 205965793Smsmithaac_rx_get_istatus(struct aac_softc *sc) 206065793Smsmith{ 206183114Sscottl debug_called(3); 206265793Smsmith 206383114Sscottl return(AAC_GETREG4(sc, AAC_RX_ODBR)); 206465793Smsmith} 206565793Smsmith 206687183Sscottlstatic int 206787183Sscottlaac_fa_get_istatus(struct aac_softc *sc) 206887183Sscottl{ 206987183Sscottl int val; 207087183Sscottl 207187183Sscottl debug_called(3); 207287183Sscottl 207387183Sscottl val = AAC_GETREG2(sc, AAC_FA_DOORBELL0); 207487183Sscottl return (val); 207587183Sscottl} 207687183Sscottl 207783114Sscottl/* 207865793Smsmith * Clear some interrupt reason bits 207965793Smsmith */ 208065793Smsmithstatic void 208165793Smsmithaac_sa_clear_istatus(struct aac_softc *sc, int mask) 208265793Smsmith{ 208383114Sscottl debug_called(3); 208465793Smsmith 208583114Sscottl AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask); 208665793Smsmith} 208765793Smsmith 208865793Smsmithstatic void 208965793Smsmithaac_rx_clear_istatus(struct aac_softc *sc, int mask) 209065793Smsmith{ 209183114Sscottl debug_called(3); 209265793Smsmith 209383114Sscottl AAC_SETREG4(sc, AAC_RX_ODBR, mask); 209465793Smsmith} 209565793Smsmith 209687183Sscottlstatic void 209787183Sscottlaac_fa_clear_istatus(struct aac_softc *sc, int mask) 209887183Sscottl{ 209987183Sscottl debug_called(3); 210087183Sscottl 210187183Sscottl AAC_SETREG2(sc, AAC_FA_DOORBELL0_CLEAR, mask); 210287183Sscottl AAC_FA_HACK(sc); 210387183Sscottl} 210487183Sscottl 210583114Sscottl/* 210665793Smsmith * Populate the mailbox and set the command word 210765793Smsmith */ 210865793Smsmithstatic void 210965793Smsmithaac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command, 211065793Smsmith u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 211165793Smsmith{ 211283114Sscottl debug_called(4); 211365793Smsmith 211483114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX, command); 211583114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0); 211683114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1); 211783114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2); 211883114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3); 211965793Smsmith} 212065793Smsmith 212165793Smsmithstatic void 212265793Smsmithaac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command, 212365793Smsmith u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 212465793Smsmith{ 212583114Sscottl debug_called(4); 212665793Smsmith 212783114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX, command); 212883114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0); 212983114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1); 213083114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2); 213183114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3); 213265793Smsmith} 213365793Smsmith 213487183Sscottlstatic void 213587183Sscottlaac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command, 213687183Sscottl u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 213787183Sscottl{ 213887183Sscottl debug_called(4); 213987183Sscottl 214087183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX, command); 214187183Sscottl AAC_FA_HACK(sc); 214287183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX + 4, arg0); 214387183Sscottl AAC_FA_HACK(sc); 214487183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX + 8, arg1); 214587183Sscottl AAC_FA_HACK(sc); 214687183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX + 12, arg2); 214787183Sscottl AAC_FA_HACK(sc); 214887183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX + 16, arg3); 214987183Sscottl AAC_FA_HACK(sc); 215087183Sscottl} 215187183Sscottl 215283114Sscottl/* 215365793Smsmith * Fetch the immediate command status word 215465793Smsmith */ 215565793Smsmithstatic int 2156112679Sscottlaac_sa_get_mailbox(struct aac_softc *sc, int mb) 215765793Smsmith{ 215883114Sscottl debug_called(4); 215965793Smsmith 2160112679Sscottl return(AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4))); 216165793Smsmith} 216265793Smsmith 216365793Smsmithstatic int 2164112679Sscottlaac_rx_get_mailbox(struct aac_softc *sc, int mb) 216565793Smsmith{ 216683114Sscottl debug_called(4); 216765793Smsmith 2168112679Sscottl return(AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4))); 216965793Smsmith} 217065793Smsmith 217187183Sscottlstatic int 2172112679Sscottlaac_fa_get_mailbox(struct aac_softc *sc, int mb) 217387183Sscottl{ 217487183Sscottl int val; 217587183Sscottl 217687183Sscottl debug_called(4); 217787183Sscottl 2178112679Sscottl val = AAC_GETREG4(sc, AAC_FA_MAILBOX + (mb * 4)); 217987183Sscottl return (val); 218087183Sscottl} 218187183Sscottl 218283114Sscottl/* 218365793Smsmith * Set/clear interrupt masks 218465793Smsmith */ 218565793Smsmithstatic void 218665793Smsmithaac_sa_set_interrupts(struct aac_softc *sc, int enable) 218765793Smsmith{ 218883114Sscottl debug(2, "%sable interrupts", enable ? "en" : "dis"); 218965793Smsmith 219083114Sscottl if (enable) { 219183114Sscottl AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS); 219283114Sscottl } else { 219383114Sscottl AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0); 219483114Sscottl } 219565793Smsmith} 219665793Smsmith 219765793Smsmithstatic void 219865793Smsmithaac_rx_set_interrupts(struct aac_softc *sc, int enable) 219965793Smsmith{ 220083114Sscottl debug(2, "%sable interrupts", enable ? "en" : "dis"); 220165793Smsmith 220283114Sscottl if (enable) { 220383114Sscottl AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS); 220483114Sscottl } else { 220583114Sscottl AAC_SETREG4(sc, AAC_RX_OIMR, ~0); 220683114Sscottl } 220765793Smsmith} 220865793Smsmith 220987183Sscottlstatic void 221087183Sscottlaac_fa_set_interrupts(struct aac_softc *sc, int enable) 221187183Sscottl{ 221287183Sscottl debug(2, "%sable interrupts", enable ? "en" : "dis"); 221387183Sscottl 221487183Sscottl if (enable) { 221587183Sscottl AAC_SETREG2((sc), AAC_FA_MASK0_CLEAR, AAC_DB_INTERRUPTS); 221687183Sscottl AAC_FA_HACK(sc); 221787183Sscottl } else { 221887183Sscottl AAC_SETREG2((sc), AAC_FA_MASK0, ~0); 221987183Sscottl AAC_FA_HACK(sc); 222087183Sscottl } 222187183Sscottl} 222287183Sscottl 222383114Sscottl/* 222483114Sscottl * Debugging and Diagnostics 222583114Sscottl */ 222665793Smsmith 222783114Sscottl/* 222865793Smsmith * Print some information about the controller. 222965793Smsmith */ 223065793Smsmithstatic void 223165793Smsmithaac_describe_controller(struct aac_softc *sc) 223265793Smsmith{ 223395350Sscottl struct aac_fib *fib; 223483114Sscottl struct aac_adapter_info *info; 223565793Smsmith 223683114Sscottl debug_called(2); 223765793Smsmith 2238130006Sscottl aac_alloc_sync_fib(sc, &fib); 223995350Sscottl 224095350Sscottl fib->data[0] = 0; 224195350Sscottl if (aac_sync_fib(sc, RequestAdapterInfo, 0, fib, 1)) { 224283114Sscottl device_printf(sc->aac_dev, "RequestAdapterInfo failed\n"); 224395536Sscottl aac_release_sync_fib(sc); 224483114Sscottl return; 224583114Sscottl } 2246112679Sscottl info = (struct aac_adapter_info *)&fib->data[0]; 224765793Smsmith 224883114Sscottl device_printf(sc->aac_dev, "%s %dMHz, %dMB cache memory, %s\n", 224983114Sscottl aac_describe_code(aac_cpu_variant, info->CpuVariant), 225083114Sscottl info->ClockSpeed, info->BufferMem / (1024 * 1024), 225183114Sscottl aac_describe_code(aac_battery_platform, 225283114Sscottl info->batteryPlatform)); 225365793Smsmith 225483114Sscottl /* save the kernel revision structure for later use */ 225583114Sscottl sc->aac_revision = info->KernelRevision; 225683114Sscottl device_printf(sc->aac_dev, "Kernel %d.%d-%d, Build %d, S/N %6X\n", 225783114Sscottl info->KernelRevision.external.comp.major, 225883114Sscottl info->KernelRevision.external.comp.minor, 225983114Sscottl info->KernelRevision.external.comp.dash, 226083114Sscottl info->KernelRevision.buildNumber, 226183114Sscottl (u_int32_t)(info->SerialNumber & 0xffffff)); 226295536Sscottl 226395536Sscottl aac_release_sync_fib(sc); 2264112679Sscottl 2265112679Sscottl if (1 || bootverbose) { 2266112679Sscottl device_printf(sc->aac_dev, "Supported Options=%b\n", 2267112679Sscottl sc->supported_options, 2268112679Sscottl "\20" 2269112679Sscottl "\1SNAPSHOT" 2270112679Sscottl "\2CLUSTERS" 2271112679Sscottl "\3WCACHE" 2272112679Sscottl "\4DATA64" 2273112679Sscottl "\5HOSTTIME" 2274112679Sscottl "\6RAID50" 2275112679Sscottl "\7WINDOW4GB" 2276112679Sscottl "\10SCSIUPGD" 2277112679Sscottl "\11SOFTERR" 2278112679Sscottl "\12NORECOND" 2279112679Sscottl "\13SGMAP64" 2280112679Sscottl "\14ALARM" 2281112679Sscottl "\15NONDASD"); 2282112679Sscottl } 228365793Smsmith} 228465793Smsmith 228583114Sscottl/* 228665793Smsmith * Look up a text description of a numeric error code and return a pointer to 228765793Smsmith * same. 228865793Smsmith */ 228965793Smsmithstatic char * 229065793Smsmithaac_describe_code(struct aac_code_lookup *table, u_int32_t code) 229165793Smsmith{ 229283114Sscottl int i; 229365793Smsmith 229483114Sscottl for (i = 0; table[i].string != NULL; i++) 229583114Sscottl if (table[i].code == code) 229683114Sscottl return(table[i].string); 229783114Sscottl return(table[i + 1].string); 229865793Smsmith} 229965793Smsmith 230083114Sscottl/* 230183114Sscottl * Management Interface 230283114Sscottl */ 230365793Smsmith 230465793Smsmithstatic int 2305130585Sphkaac_open(struct cdev *dev, int flags, int fmt, d_thread_t *td) 230665793Smsmith{ 230783114Sscottl struct aac_softc *sc; 230865793Smsmith 230983114Sscottl debug_called(2); 231065793Smsmith 231183114Sscottl sc = dev->si_drv1; 231265793Smsmith 231383114Sscottl /* Check to make sure the device isn't already open */ 231483114Sscottl if (sc->aac_state & AAC_STATE_OPEN) { 231583114Sscottl return EBUSY; 231683114Sscottl } 231783114Sscottl sc->aac_state |= AAC_STATE_OPEN; 231883114Sscottl 231983114Sscottl return 0; 232065793Smsmith} 232165793Smsmith 232265793Smsmithstatic int 2323130585Sphkaac_close(struct cdev *dev, int flags, int fmt, d_thread_t *td) 232465793Smsmith{ 232583114Sscottl struct aac_softc *sc; 232665793Smsmith 232783114Sscottl debug_called(2); 232865793Smsmith 232983114Sscottl sc = dev->si_drv1; 233065793Smsmith 233183114Sscottl /* Mark this unit as no longer open */ 233283114Sscottl sc->aac_state &= ~AAC_STATE_OPEN; 233383114Sscottl 233483114Sscottl return 0; 233565793Smsmith} 233665793Smsmith 233765793Smsmithstatic int 2338130585Sphkaac_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, d_thread_t *td) 233965793Smsmith{ 234083114Sscottl union aac_statrequest *as; 234183114Sscottl struct aac_softc *sc; 234283114Sscottl int error = 0; 2343119146Sscottl uint32_t cookie; 234465793Smsmith 234583114Sscottl debug_called(2); 234665793Smsmith 234783114Sscottl as = (union aac_statrequest *)arg; 234883114Sscottl sc = dev->si_drv1; 234983114Sscottl 235083114Sscottl switch (cmd) { 235183114Sscottl case AACIO_STATS: 235283114Sscottl switch (as->as_item) { 235383114Sscottl case AACQ_FREE: 235483114Sscottl case AACQ_BIO: 235583114Sscottl case AACQ_READY: 235683114Sscottl case AACQ_BUSY: 235783114Sscottl bcopy(&sc->aac_qstat[as->as_item], &as->as_qstat, 235883114Sscottl sizeof(struct aac_qstat)); 235983114Sscottl break; 236083114Sscottl default: 236183114Sscottl error = ENOENT; 236283114Sscottl break; 236383114Sscottl } 236483114Sscottl break; 236583114Sscottl 236683114Sscottl case FSACTL_SENDFIB: 236783114Sscottl arg = *(caddr_t*)arg; 236883114Sscottl case FSACTL_LNX_SENDFIB: 236983114Sscottl debug(1, "FSACTL_SENDFIB"); 237083114Sscottl error = aac_ioctl_sendfib(sc, arg); 237183114Sscottl break; 237283114Sscottl case FSACTL_AIF_THREAD: 237383114Sscottl case FSACTL_LNX_AIF_THREAD: 237483114Sscottl debug(1, "FSACTL_AIF_THREAD"); 237583114Sscottl error = EINVAL; 237683114Sscottl break; 237783114Sscottl case FSACTL_OPEN_GET_ADAPTER_FIB: 237883114Sscottl arg = *(caddr_t*)arg; 237987183Sscottl case FSACTL_LNX_OPEN_GET_ADAPTER_FIB: 238083114Sscottl debug(1, "FSACTL_OPEN_GET_ADAPTER_FIB"); 238183114Sscottl /* 238283114Sscottl * Pass the caller out an AdapterFibContext. 238383114Sscottl * 238483114Sscottl * Note that because we only support one opener, we 238583114Sscottl * basically ignore this. Set the caller's context to a magic 238683114Sscottl * number just in case. 238783114Sscottl * 238883114Sscottl * The Linux code hands the driver a pointer into kernel space, 238983114Sscottl * and then trusts it when the caller hands it back. Aiee! 239083114Sscottl * Here, we give it the proc pointer of the per-adapter aif 239183114Sscottl * thread. It's only used as a sanity check in other calls. 239283114Sscottl */ 2393119146Sscottl cookie = (uint32_t)(uintptr_t)sc->aifthread; 2394119146Sscottl error = copyout(&cookie, arg, sizeof(cookie)); 239583114Sscottl break; 239683114Sscottl case FSACTL_GET_NEXT_ADAPTER_FIB: 239783114Sscottl arg = *(caddr_t*)arg; 239883114Sscottl case FSACTL_LNX_GET_NEXT_ADAPTER_FIB: 239983114Sscottl debug(1, "FSACTL_GET_NEXT_ADAPTER_FIB"); 240083114Sscottl error = aac_getnext_aif(sc, arg); 240183114Sscottl break; 240283114Sscottl case FSACTL_CLOSE_GET_ADAPTER_FIB: 240383114Sscottl case FSACTL_LNX_CLOSE_GET_ADAPTER_FIB: 240483114Sscottl debug(1, "FSACTL_CLOSE_GET_ADAPTER_FIB"); 240583114Sscottl /* don't do anything here */ 240683114Sscottl break; 240783114Sscottl case FSACTL_MINIPORT_REV_CHECK: 240883114Sscottl arg = *(caddr_t*)arg; 240983114Sscottl case FSACTL_LNX_MINIPORT_REV_CHECK: 241083114Sscottl debug(1, "FSACTL_MINIPORT_REV_CHECK"); 241183114Sscottl error = aac_rev_check(sc, arg); 241283114Sscottl break; 241383114Sscottl case FSACTL_QUERY_DISK: 241483114Sscottl arg = *(caddr_t*)arg; 241583114Sscottl case FSACTL_LNX_QUERY_DISK: 241683114Sscottl debug(1, "FSACTL_QUERY_DISK"); 241783114Sscottl error = aac_query_disk(sc, arg); 241883114Sscottl break; 241983114Sscottl case FSACTL_DELETE_DISK: 242083114Sscottl case FSACTL_LNX_DELETE_DISK: 242183114Sscottl /* 242283114Sscottl * We don't trust the underland to tell us when to delete a 242383114Sscottl * container, rather we rely on an AIF coming from the 242483114Sscottl * controller 242583114Sscottl */ 242683114Sscottl error = 0; 242783114Sscottl break; 242870393Smsmith default: 242987183Sscottl debug(1, "unsupported cmd 0x%lx\n", cmd); 243083114Sscottl error = EINVAL; 243183114Sscottl break; 243270393Smsmith } 243383114Sscottl return(error); 243465793Smsmith} 243565793Smsmith 243687183Sscottlstatic int 2437130585Sphkaac_poll(struct cdev *dev, int poll_events, d_thread_t *td) 243887183Sscottl{ 243987183Sscottl struct aac_softc *sc; 244087183Sscottl int revents; 244187183Sscottl 244287183Sscottl sc = dev->si_drv1; 244387183Sscottl revents = 0; 244487183Sscottl 244587310Sscottl AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock); 244687183Sscottl if ((poll_events & (POLLRDNORM | POLLIN)) != 0) { 244787183Sscottl if (sc->aac_aifq_tail != sc->aac_aifq_head) 244887183Sscottl revents |= poll_events & (POLLIN | POLLRDNORM); 244987183Sscottl } 245087183Sscottl AAC_LOCK_RELEASE(&sc->aac_aifq_lock); 245187183Sscottl 245287183Sscottl if (revents == 0) { 245387183Sscottl if (poll_events & (POLLIN | POLLRDNORM)) 245487183Sscottl selrecord(td, &sc->rcv_select); 245587183Sscottl } 245687183Sscottl 245787183Sscottl return (revents); 245887183Sscottl} 245987183Sscottl 246083114Sscottl/* 246165793Smsmith * Send a FIB supplied from userspace 246265793Smsmith */ 246365793Smsmithstatic int 246465793Smsmithaac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib) 246565793Smsmith{ 246683114Sscottl struct aac_command *cm; 246783114Sscottl int size, error; 246865793Smsmith 246983114Sscottl debug_called(2); 247065793Smsmith 247183114Sscottl cm = NULL; 247265793Smsmith 247383114Sscottl /* 247483114Sscottl * Get a command 247583114Sscottl */ 2476111532Sscottl AAC_LOCK_ACQUIRE(&sc->aac_io_lock); 247783114Sscottl if (aac_alloc_command(sc, &cm)) { 247883114Sscottl error = EBUSY; 247983114Sscottl goto out; 248083114Sscottl } 248165793Smsmith 248283114Sscottl /* 248383114Sscottl * Fetch the FIB header, then re-copy to get data as well. 248483114Sscottl */ 248583114Sscottl if ((error = copyin(ufib, cm->cm_fib, 248683114Sscottl sizeof(struct aac_fib_header))) != 0) 248783114Sscottl goto out; 248883114Sscottl size = cm->cm_fib->Header.Size + sizeof(struct aac_fib_header); 248983114Sscottl if (size > sizeof(struct aac_fib)) { 2490119146Sscottl device_printf(sc->aac_dev, "incoming FIB oversized (%d > %zd)\n", 249183114Sscottl size, sizeof(struct aac_fib)); 249283114Sscottl size = sizeof(struct aac_fib); 249383114Sscottl } 249483114Sscottl if ((error = copyin(ufib, cm->cm_fib, size)) != 0) 249583114Sscottl goto out; 249683114Sscottl cm->cm_fib->Header.Size = size; 249783114Sscottl cm->cm_timestamp = time_second; 249865793Smsmith 249983114Sscottl /* 250083114Sscottl * Pass the FIB to the controller, wait for it to complete. 250183114Sscottl */ 2502128258Sscottl if ((error = aac_wait_command(cm)) != 0) { 2503110426Sscottl device_printf(sc->aac_dev, 2504110426Sscottl "aac_wait_command return %d\n", error); 250583114Sscottl goto out; 250687183Sscottl } 250765793Smsmith 250883114Sscottl /* 250983114Sscottl * Copy the FIB and data back out to the caller. 251083114Sscottl */ 251183114Sscottl size = cm->cm_fib->Header.Size; 251283114Sscottl if (size > sizeof(struct aac_fib)) { 2513119146Sscottl device_printf(sc->aac_dev, "outbound FIB oversized (%d > %zd)\n", 251483114Sscottl size, sizeof(struct aac_fib)); 251583114Sscottl size = sizeof(struct aac_fib); 251683114Sscottl } 251783114Sscottl error = copyout(cm->cm_fib, ufib, size); 251865793Smsmith 251965793Smsmithout: 252083114Sscottl if (cm != NULL) { 252183114Sscottl aac_release_command(cm); 252283114Sscottl } 2523111532Sscottl 2524111532Sscottl AAC_LOCK_RELEASE(&sc->aac_io_lock); 252583114Sscottl return(error); 252665793Smsmith} 252765793Smsmith 252883114Sscottl/* 252965793Smsmith * Handle an AIF sent to us by the controller; queue it for later reference. 253082527Sscottl * If the queue fills up, then drop the older entries. 253165793Smsmith */ 253265793Smsmithstatic void 253382527Sscottlaac_handle_aif(struct aac_softc *sc, struct aac_fib *fib) 253465793Smsmith{ 253583114Sscottl struct aac_aif_command *aif; 253683114Sscottl struct aac_container *co, *co_next; 253795350Sscottl struct aac_mntinfo *mi; 253895350Sscottl struct aac_mntinforesp *mir = NULL; 253983114Sscottl u_int16_t rsize; 254087183Sscottl int next, found; 2541115760Sscottl int count = 0, added = 0, i = 0; 254265793Smsmith 254383114Sscottl debug_called(2); 254465793Smsmith 254583114Sscottl aif = (struct aac_aif_command*)&fib->data[0]; 254683114Sscottl aac_print_aif(sc, aif); 254782527Sscottl 254883114Sscottl /* Is it an event that we should care about? */ 254983114Sscottl switch (aif->command) { 255083114Sscottl case AifCmdEventNotify: 255183114Sscottl switch (aif->data.EN.type) { 255283114Sscottl case AifEnAddContainer: 255383114Sscottl case AifEnDeleteContainer: 255483114Sscottl /* 255583114Sscottl * A container was added or deleted, but the message 255683114Sscottl * doesn't tell us anything else! Re-enumerate the 255783114Sscottl * containers and sort things out. 255883114Sscottl */ 2559130006Sscottl aac_alloc_sync_fib(sc, &fib); 256095350Sscottl mi = (struct aac_mntinfo *)&fib->data[0]; 256183114Sscottl do { 256283114Sscottl /* 256383114Sscottl * Ask the controller for its containers one at 256483114Sscottl * a time. 256583114Sscottl * XXX What if the controller's list changes 256683114Sscottl * midway through this enumaration? 256783114Sscottl * XXX This should be done async. 256883114Sscottl */ 256995966Sscottl bzero(mi, sizeof(struct aac_mntinfo)); 257095966Sscottl mi->Command = VM_NameServe; 257195966Sscottl mi->MntType = FT_FILESYS; 257295350Sscottl mi->MntCount = i; 257383114Sscottl rsize = sizeof(mir); 257495350Sscottl if (aac_sync_fib(sc, ContainerCommand, 0, fib, 257595350Sscottl sizeof(struct aac_mntinfo))) { 2576115760Sscottl printf("Error probing container %d\n", 257783114Sscottl i); 257883114Sscottl continue; 257983114Sscottl } 258095350Sscottl mir = (struct aac_mntinforesp *)&fib->data[0]; 2581115760Sscottl /* XXX Need to check if count changed */ 2582115760Sscottl count = mir->MntRespCount; 258383114Sscottl /* 258483114Sscottl * Check the container against our list. 258583114Sscottl * co->co_found was already set to 0 in a 258683114Sscottl * previous run. 258783114Sscottl */ 258895350Sscottl if ((mir->Status == ST_OK) && 258995350Sscottl (mir->MntTable[0].VolType != CT_NONE)) { 259083114Sscottl found = 0; 259183114Sscottl TAILQ_FOREACH(co, 259283114Sscottl &sc->aac_container_tqh, 259383114Sscottl co_link) { 259483114Sscottl if (co->co_mntobj.ObjectId == 259595350Sscottl mir->MntTable[0].ObjectId) { 259683114Sscottl co->co_found = 1; 259783114Sscottl found = 1; 259883114Sscottl break; 259983114Sscottl } 260083114Sscottl } 260183114Sscottl /* 260283114Sscottl * If the container matched, continue 260383114Sscottl * in the list. 260483114Sscottl */ 260583114Sscottl if (found) { 260683114Sscottl i++; 260783114Sscottl continue; 260883114Sscottl } 260983114Sscottl 261083114Sscottl /* 261183114Sscottl * This is a new container. Do all the 2612110426Sscottl * appropriate things to set it up. 2613110426Sscottl */ 261495350Sscottl aac_add_container(sc, mir, 1); 261583114Sscottl added = 1; 261683114Sscottl } 261783114Sscottl i++; 2618115760Sscottl } while ((i < count) && (i < AAC_MAX_CONTAINERS)); 261995350Sscottl aac_release_sync_fib(sc); 262083114Sscottl 262183114Sscottl /* 262283114Sscottl * Go through our list of containers and see which ones 262383114Sscottl * were not marked 'found'. Since the controller didn't 262483114Sscottl * list them they must have been deleted. Do the 262583114Sscottl * appropriate steps to destroy the device. Also reset 262683114Sscottl * the co->co_found field. 262783114Sscottl */ 262883114Sscottl co = TAILQ_FIRST(&sc->aac_container_tqh); 262983114Sscottl while (co != NULL) { 263083114Sscottl if (co->co_found == 0) { 263183114Sscottl device_delete_child(sc->aac_dev, 263283114Sscottl co->co_disk); 263383114Sscottl co_next = TAILQ_NEXT(co, co_link); 263487310Sscottl AAC_LOCK_ACQUIRE(&sc-> 263583114Sscottl aac_container_lock); 263683114Sscottl TAILQ_REMOVE(&sc->aac_container_tqh, co, 263783114Sscottl co_link); 263883114Sscottl AAC_LOCK_RELEASE(&sc-> 263983114Sscottl aac_container_lock); 264083114Sscottl FREE(co, M_AACBUF); 264183114Sscottl co = co_next; 264283114Sscottl } else { 264383114Sscottl co->co_found = 0; 264483114Sscottl co = TAILQ_NEXT(co, co_link); 264583114Sscottl } 264682527Sscottl } 264782527Sscottl 264883114Sscottl /* Attach the newly created containers */ 264983114Sscottl if (added) 265083114Sscottl bus_generic_attach(sc->aac_dev); 265183114Sscottl 2652105528Sphk break; 265382527Sscottl 265483114Sscottl default: 265583114Sscottl break; 265682527Sscottl } 265782527Sscottl 265882527Sscottl default: 265983114Sscottl break; 266082527Sscottl } 266182527Sscottl 266283114Sscottl /* Copy the AIF data to the AIF queue for ioctl retrieval */ 266387310Sscottl AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock); 266483114Sscottl next = (sc->aac_aifq_head + 1) % AAC_AIFQ_LENGTH; 266583114Sscottl if (next != sc->aac_aifq_tail) { 266683114Sscottl bcopy(aif, &sc->aac_aifq[next], sizeof(struct aac_aif_command)); 266787183Sscottl sc->aac_aifq_head = next; 266887183Sscottl 266987183Sscottl /* On the off chance that someone is sleeping for an aif... */ 267087183Sscottl if (sc->aac_state & AAC_STATE_AIF_SLEEPER) 267187183Sscottl wakeup(sc->aac_aifq); 267287183Sscottl /* Wakeup any poll()ers */ 2673122352Stanimura selwakeuppri(&sc->rcv_select, PRIBIO); 267483114Sscottl } 267587183Sscottl AAC_LOCK_RELEASE(&sc->aac_aifq_lock); 267682527Sscottl 267783114Sscottl return; 267865793Smsmith} 267965793Smsmith 268083114Sscottl/* 268170393Smsmith * Return the Revision of the driver to userspace and check to see if the 268282527Sscottl * userspace app is possibly compatible. This is extremely bogus since 268382527Sscottl * our driver doesn't follow Adaptec's versioning system. Cheat by just 268482527Sscottl * returning what the card reported. 268565793Smsmith */ 268665793Smsmithstatic int 268781189Sscottlaac_rev_check(struct aac_softc *sc, caddr_t udata) 268865793Smsmith{ 268983114Sscottl struct aac_rev_check rev_check; 269083114Sscottl struct aac_rev_check_resp rev_check_resp; 269183114Sscottl int error = 0; 269265793Smsmith 269383114Sscottl debug_called(2); 269465793Smsmith 269583114Sscottl /* 269683114Sscottl * Copyin the revision struct from userspace 269783114Sscottl */ 269883114Sscottl if ((error = copyin(udata, (caddr_t)&rev_check, 269981082Sscottl sizeof(struct aac_rev_check))) != 0) { 270083114Sscottl return error; 270183114Sscottl } 270265793Smsmith 270383114Sscottl debug(2, "Userland revision= %d\n", 270483114Sscottl rev_check.callingRevision.buildNumber); 270565793Smsmith 270683114Sscottl /* 270783114Sscottl * Doctor up the response struct. 270883114Sscottl */ 270983114Sscottl rev_check_resp.possiblyCompatible = 1; 271083114Sscottl rev_check_resp.adapterSWRevision.external.ul = 271183114Sscottl sc->aac_revision.external.ul; 271283114Sscottl rev_check_resp.adapterSWRevision.buildNumber = 271383114Sscottl sc->aac_revision.buildNumber; 271465793Smsmith 271583114Sscottl return(copyout((caddr_t)&rev_check_resp, udata, 271683114Sscottl sizeof(struct aac_rev_check_resp))); 271765793Smsmith} 271865793Smsmith 271983114Sscottl/* 272065793Smsmith * Pass the caller the next AIF in their queue 272165793Smsmith */ 272265793Smsmithstatic int 272381189Sscottlaac_getnext_aif(struct aac_softc *sc, caddr_t arg) 272465793Smsmith{ 272583114Sscottl struct get_adapter_fib_ioctl agf; 2726111691Sscottl int error; 272765793Smsmith 272883114Sscottl debug_called(2); 272965793Smsmith 273083114Sscottl if ((error = copyin(arg, &agf, sizeof(agf))) == 0) { 273165793Smsmith 273283114Sscottl /* 273383114Sscottl * Check the magic number that we gave the caller. 273483114Sscottl */ 2735119146Sscottl if (agf.AdapterFibContext != (int)(uintptr_t)sc->aifthread) { 273683114Sscottl error = EFAULT; 273783114Sscottl } else { 273881189Sscottl error = aac_return_aif(sc, agf.AifFib); 273983114Sscottl if ((error == EAGAIN) && (agf.Wait)) { 274083114Sscottl sc->aac_state |= AAC_STATE_AIF_SLEEPER; 274183114Sscottl while (error == EAGAIN) { 274283114Sscottl error = tsleep(sc->aac_aifq, PRIBIO | 274383114Sscottl PCATCH, "aacaif", 0); 274483114Sscottl if (error == 0) 274583114Sscottl error = aac_return_aif(sc, 274683114Sscottl agf.AifFib); 274783114Sscottl } 274883114Sscottl sc->aac_state &= ~AAC_STATE_AIF_SLEEPER; 274983114Sscottl } 275065793Smsmith } 275165793Smsmith } 275283114Sscottl return(error); 275365793Smsmith} 275465793Smsmith 275583114Sscottl/* 275670393Smsmith * Hand the next AIF off the top of the queue out to userspace. 275770393Smsmith */ 275870393Smsmithstatic int 275981189Sscottlaac_return_aif(struct aac_softc *sc, caddr_t uptr) 276070393Smsmith{ 2761121173Sscottl int next, error; 276270393Smsmith 276383114Sscottl debug_called(2); 276470393Smsmith 276587310Sscottl AAC_LOCK_ACQUIRE(&sc->aac_aifq_lock); 276683114Sscottl if (sc->aac_aifq_tail == sc->aac_aifq_head) { 2767121173Sscottl AAC_LOCK_RELEASE(&sc->aac_aifq_lock); 2768121173Sscottl return (EAGAIN); 276983114Sscottl } 2770121173Sscottl 2771121173Sscottl next = (sc->aac_aifq_tail + 1) % AAC_AIFQ_LENGTH; 2772121173Sscottl error = copyout(&sc->aac_aifq[next], uptr, 2773121173Sscottl sizeof(struct aac_aif_command)); 2774121173Sscottl if (error) 2775121173Sscottl device_printf(sc->aac_dev, 2776121173Sscottl "aac_return_aif: copyout returned %d\n", error); 2777121173Sscottl else 2778121173Sscottl sc->aac_aifq_tail = next; 2779121173Sscottl 278087183Sscottl AAC_LOCK_RELEASE(&sc->aac_aifq_lock); 278183114Sscottl return(error); 278270393Smsmith} 278382527Sscottl 278483114Sscottl/* 278582527Sscottl * Give the userland some information about the container. The AAC arch 278682527Sscottl * expects the driver to be a SCSI passthrough type driver, so it expects 278782527Sscottl * the containers to have b:t:l numbers. Fake it. 278882527Sscottl */ 278982527Sscottlstatic int 279082527Sscottlaac_query_disk(struct aac_softc *sc, caddr_t uptr) 279182527Sscottl{ 279283114Sscottl struct aac_query_disk query_disk; 279383114Sscottl struct aac_container *co; 279483114Sscottl struct aac_disk *disk; 279583114Sscottl int error, id; 279682527Sscottl 279783114Sscottl debug_called(2); 279882527Sscottl 279983114Sscottl disk = NULL; 280082527Sscottl 280183114Sscottl error = copyin(uptr, (caddr_t)&query_disk, 280283114Sscottl sizeof(struct aac_query_disk)); 280383114Sscottl if (error) 280483114Sscottl return (error); 280582527Sscottl 280683114Sscottl id = query_disk.ContainerNumber; 280783114Sscottl if (id == -1) 280883114Sscottl return (EINVAL); 280982527Sscottl 281087310Sscottl AAC_LOCK_ACQUIRE(&sc->aac_container_lock); 281183114Sscottl TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) { 281283114Sscottl if (co->co_mntobj.ObjectId == id) 281383114Sscottl break; 281483114Sscottl } 281582527Sscottl 2816105528Sphk if (co == NULL) { 281783114Sscottl query_disk.Valid = 0; 281883114Sscottl query_disk.Locked = 0; 281983114Sscottl query_disk.Deleted = 1; /* XXX is this right? */ 2820105528Sphk } else { 2821105528Sphk disk = device_get_softc(co->co_disk); 2822105528Sphk query_disk.Valid = 1; 2823105528Sphk query_disk.Locked = 2824105528Sphk (disk->ad_flags & AAC_DISK_OPEN) ? 1 : 0; 2825105528Sphk query_disk.Deleted = 0; 2826105528Sphk query_disk.Bus = device_get_unit(sc->aac_dev); 2827105528Sphk query_disk.Target = disk->unit; 2828105528Sphk query_disk.Lun = 0; 2829105528Sphk query_disk.UnMapped = 0; 2830111525Sscottl sprintf(&query_disk.diskDeviceName[0], "%s%d", 2831125975Sphk disk->ad_disk->d_name, disk->ad_disk->d_unit); 2832105528Sphk } 283383114Sscottl AAC_LOCK_RELEASE(&sc->aac_container_lock); 283482527Sscottl 283583114Sscottl error = copyout((caddr_t)&query_disk, uptr, 283683114Sscottl sizeof(struct aac_query_disk)); 283783114Sscottl 283883114Sscottl return (error); 283982527Sscottl} 284082527Sscottl 284195536Sscottlstatic void 284295536Sscottlaac_get_bus_info(struct aac_softc *sc) 284395536Sscottl{ 284495536Sscottl struct aac_fib *fib; 284595536Sscottl struct aac_ctcfg *c_cmd; 284695536Sscottl struct aac_ctcfg_resp *c_resp; 284795536Sscottl struct aac_vmioctl *vmi; 284895536Sscottl struct aac_vmi_businf_resp *vmi_resp; 284995536Sscottl struct aac_getbusinf businfo; 2850110426Sscottl struct aac_sim *caminf; 285195536Sscottl device_t child; 285295536Sscottl int i, found, error; 285395536Sscottl 2854130006Sscottl aac_alloc_sync_fib(sc, &fib); 285595536Sscottl c_cmd = (struct aac_ctcfg *)&fib->data[0]; 285695966Sscottl bzero(c_cmd, sizeof(struct aac_ctcfg)); 285795536Sscottl 285895536Sscottl c_cmd->Command = VM_ContainerConfig; 285995536Sscottl c_cmd->cmd = CT_GET_SCSI_METHOD; 286095536Sscottl c_cmd->param = 0; 286195536Sscottl 286295536Sscottl error = aac_sync_fib(sc, ContainerCommand, 0, fib, 286395536Sscottl sizeof(struct aac_ctcfg)); 286495536Sscottl if (error) { 286595536Sscottl device_printf(sc->aac_dev, "Error %d sending " 286695536Sscottl "VM_ContainerConfig command\n", error); 286795536Sscottl aac_release_sync_fib(sc); 286895536Sscottl return; 286995536Sscottl } 287095536Sscottl 287195536Sscottl c_resp = (struct aac_ctcfg_resp *)&fib->data[0]; 287295536Sscottl if (c_resp->Status != ST_OK) { 287395536Sscottl device_printf(sc->aac_dev, "VM_ContainerConfig returned 0x%x\n", 287495536Sscottl c_resp->Status); 287595536Sscottl aac_release_sync_fib(sc); 287695536Sscottl return; 287795536Sscottl } 287895536Sscottl 287995536Sscottl sc->scsi_method_id = c_resp->param; 288095536Sscottl 288195536Sscottl vmi = (struct aac_vmioctl *)&fib->data[0]; 288295966Sscottl bzero(vmi, sizeof(struct aac_vmioctl)); 288395966Sscottl 288495536Sscottl vmi->Command = VM_Ioctl; 288595536Sscottl vmi->ObjType = FT_DRIVE; 288695536Sscottl vmi->MethId = sc->scsi_method_id; 288795536Sscottl vmi->ObjId = 0; 288895536Sscottl vmi->IoctlCmd = GetBusInfo; 288995536Sscottl 289095536Sscottl error = aac_sync_fib(sc, ContainerCommand, 0, fib, 289195536Sscottl sizeof(struct aac_vmioctl)); 289295536Sscottl if (error) { 289395536Sscottl device_printf(sc->aac_dev, "Error %d sending VMIoctl command\n", 289495536Sscottl error); 289595536Sscottl aac_release_sync_fib(sc); 289695536Sscottl return; 289795536Sscottl } 289895536Sscottl 289995536Sscottl vmi_resp = (struct aac_vmi_businf_resp *)&fib->data[0]; 290095536Sscottl if (vmi_resp->Status != ST_OK) { 290195536Sscottl device_printf(sc->aac_dev, "VM_Ioctl returned %d\n", 290295536Sscottl vmi_resp->Status); 290395536Sscottl aac_release_sync_fib(sc); 290495536Sscottl return; 290595536Sscottl } 290695536Sscottl 290795536Sscottl bcopy(&vmi_resp->BusInf, &businfo, sizeof(struct aac_getbusinf)); 290895536Sscottl aac_release_sync_fib(sc); 290995536Sscottl 291095536Sscottl found = 0; 291195536Sscottl for (i = 0; i < businfo.BusCount; i++) { 291295536Sscottl if (businfo.BusValid[i] != AAC_BUS_VALID) 291395536Sscottl continue; 291495536Sscottl 2915110428Sscottl caminf = (struct aac_sim *)malloc( sizeof(struct aac_sim), 2916110428Sscottl M_AACBUF, M_NOWAIT | M_ZERO); 291795536Sscottl if (caminf == NULL) 291895536Sscottl continue; 291995536Sscottl 292095536Sscottl child = device_add_child(sc->aac_dev, "aacp", -1); 292195536Sscottl if (child == NULL) { 292295536Sscottl device_printf(sc->aac_dev, "device_add_child failed\n"); 292395536Sscottl continue; 292495536Sscottl } 292595536Sscottl 292695536Sscottl caminf->TargetsPerBus = businfo.TargetsPerBus; 292795536Sscottl caminf->BusNumber = i; 292895536Sscottl caminf->InitiatorBusId = businfo.InitiatorBusId[i]; 292995536Sscottl caminf->aac_sc = sc; 2930110432Sscottl caminf->sim_dev = child; 293195536Sscottl 293295536Sscottl device_set_ivars(child, caminf); 293395536Sscottl device_set_desc(child, "SCSI Passthrough Bus"); 2934110426Sscottl TAILQ_INSERT_TAIL(&sc->aac_sim_tqh, caminf, sim_link); 293595536Sscottl 293695536Sscottl found = 1; 293795536Sscottl } 293895536Sscottl 293995536Sscottl if (found) 294095536Sscottl bus_generic_attach(sc->aac_dev); 294195536Sscottl 294295536Sscottl return; 294395536Sscottl} 2944