aac.c revision 135289
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 135289 2004-09-16 02:37:40Z scottl $"); 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 164133606Sscottl/* Rocket/MIPS interface */ 165133606Sscottlstatic int aac_rkt_get_fwstatus(struct aac_softc *sc); 166133606Sscottlstatic void aac_rkt_qnotify(struct aac_softc *sc, int qbit); 167133606Sscottlstatic int aac_rkt_get_istatus(struct aac_softc *sc); 168133606Sscottlstatic void aac_rkt_clear_istatus(struct aac_softc *sc, int mask); 169133606Sscottlstatic void aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command, 170133606Sscottl u_int32_t arg0, u_int32_t arg1, 171133606Sscottl u_int32_t arg2, u_int32_t arg3); 172133606Sscottlstatic int aac_rkt_get_mailbox(struct aac_softc *sc, int mb); 173133606Sscottlstatic void aac_rkt_set_interrupts(struct aac_softc *sc, int enable); 174133606Sscottl 175133606Sscottlstruct aac_interface aac_rkt_interface = { 176133606Sscottl aac_rkt_get_fwstatus, 177133606Sscottl aac_rkt_qnotify, 178133606Sscottl aac_rkt_get_istatus, 179133606Sscottl aac_rkt_clear_istatus, 180133606Sscottl aac_rkt_set_mailbox, 181133606Sscottl aac_rkt_get_mailbox, 182133606Sscottl aac_rkt_set_interrupts 183133606Sscottl}; 184133606Sscottl 18565793Smsmith/* Debugging and Diagnostics */ 18665793Smsmithstatic void aac_describe_controller(struct aac_softc *sc); 18782567Sscottlstatic char *aac_describe_code(struct aac_code_lookup *table, 18881082Sscottl u_int32_t code); 18965793Smsmith 19065793Smsmith/* Management Interface */ 19165793Smsmithstatic d_open_t aac_open; 19265793Smsmithstatic d_close_t aac_close; 19365793Smsmithstatic d_ioctl_t aac_ioctl; 19487183Sscottlstatic d_poll_t aac_poll; 19581082Sscottlstatic int aac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib); 19681082Sscottlstatic void aac_handle_aif(struct aac_softc *sc, 19783114Sscottl struct aac_fib *fib); 19881189Sscottlstatic int aac_rev_check(struct aac_softc *sc, caddr_t udata); 19981189Sscottlstatic int aac_getnext_aif(struct aac_softc *sc, caddr_t arg); 20081189Sscottlstatic int aac_return_aif(struct aac_softc *sc, caddr_t uptr); 20182527Sscottlstatic int aac_query_disk(struct aac_softc *sc, caddr_t uptr); 20265793Smsmith 20365793Smsmithstatic struct cdevsw aac_cdevsw = { 204126080Sphk .d_version = D_VERSION, 205126080Sphk .d_flags = D_NEEDGIANT, 206111815Sphk .d_open = aac_open, 207111815Sphk .d_close = aac_close, 208111815Sphk .d_ioctl = aac_ioctl, 209111815Sphk .d_poll = aac_poll, 210111815Sphk .d_name = "aac", 21165793Smsmith}; 21265793Smsmith 21382527SscottlMALLOC_DEFINE(M_AACBUF, "aacbuf", "Buffers for the AAC driver"); 21482527Sscottl 21581154Sscottl/* sysctl node */ 21681154SscottlSYSCTL_NODE(_hw, OID_AUTO, aac, CTLFLAG_RD, 0, "AAC driver parameters"); 21781154Sscottl 21883114Sscottl/* 21983114Sscottl * Device Interface 22083114Sscottl */ 22165793Smsmith 22283114Sscottl/* 22365793Smsmith * Initialise the controller and softc 22465793Smsmith */ 22565793Smsmithint 22665793Smsmithaac_attach(struct aac_softc *sc) 22765793Smsmith{ 22883114Sscottl int error, unit; 22965793Smsmith 23083114Sscottl debug_called(1); 23165793Smsmith 23283114Sscottl /* 23383114Sscottl * Initialise per-controller queues. 23483114Sscottl */ 23583114Sscottl aac_initq_free(sc); 23683114Sscottl aac_initq_ready(sc); 23783114Sscottl aac_initq_busy(sc); 23883114Sscottl aac_initq_bio(sc); 23965793Smsmith 24083114Sscottl /* 24183114Sscottl * Initialise command-completion task. 24283114Sscottl */ 24383114Sscottl TASK_INIT(&sc->aac_task_complete, 0, aac_complete, sc); 24465793Smsmith 24583114Sscottl /* disable interrupts before we enable anything */ 24683114Sscottl AAC_MASK_INTERRUPTS(sc); 24765793Smsmith 24883114Sscottl /* mark controller as suspended until we get ourselves organised */ 24983114Sscottl sc->aac_state |= AAC_STATE_SUSPEND; 25065793Smsmith 25183114Sscottl /* 25290275Sscottl * Check that the firmware on the card is supported. 25390275Sscottl */ 25490275Sscottl if ((error = aac_check_firmware(sc)) != 0) 25590275Sscottl return(error); 25690275Sscottl 257117126Sscottl /* 258117126Sscottl * Initialize locks 259117126Sscottl */ 260133540Sscottl mtx_init(&sc->aac_aifq_lock, "AAC AIF lock", NULL, MTX_DEF); 261133540Sscottl mtx_init(&sc->aac_io_lock, "AAC I/O lock", NULL, MTX_DEF); 262133540Sscottl mtx_init(&sc->aac_container_lock, "AAC container lock", NULL, MTX_DEF); 263117126Sscottl TAILQ_INIT(&sc->aac_container_tqh); 26495350Sscottl 265121173Sscottl /* Initialize the local AIF queue pointers */ 266121173Sscottl sc->aac_aifq_head = sc->aac_aifq_tail = AAC_AIFQ_LENGTH; 267117126Sscottl 26883114Sscottl /* 26983114Sscottl * Initialise the adapter. 27083114Sscottl */ 27183114Sscottl if ((error = aac_init(sc)) != 0) 27283114Sscottl return(error); 27365793Smsmith 27483114Sscottl /* 27583114Sscottl * Print a little information about the controller. 27683114Sscottl */ 27783114Sscottl aac_describe_controller(sc); 27865793Smsmith 27983114Sscottl /* 280111532Sscottl * Register to probe our containers later. 28187183Sscottl */ 28283114Sscottl sc->aac_ich.ich_func = aac_startup; 28383114Sscottl sc->aac_ich.ich_arg = sc; 28483114Sscottl if (config_intrhook_establish(&sc->aac_ich) != 0) { 28583114Sscottl device_printf(sc->aac_dev, 28683114Sscottl "can't establish configuration hook\n"); 28783114Sscottl return(ENXIO); 28883114Sscottl } 28965793Smsmith 29083114Sscottl /* 29183114Sscottl * Make the control device. 29283114Sscottl */ 29383114Sscottl unit = device_get_unit(sc->aac_dev); 294108329Srwatson sc->aac_dev_t = make_dev(&aac_cdevsw, unit, UID_ROOT, GID_OPERATOR, 295108329Srwatson 0640, "aac%d", unit); 29683114Sscottl (void)make_dev_alias(sc->aac_dev_t, "afa%d", unit); 29783114Sscottl (void)make_dev_alias(sc->aac_dev_t, "hpn%d", unit); 29883114Sscottl sc->aac_dev_t->si_drv1 = sc; 29965793Smsmith 30083114Sscottl /* Create the AIF thread */ 301110426Sscottl if (kthread_create((void(*)(void *))aac_command_thread, sc, 302104354Sscottl &sc->aifthread, 0, 0, "aac%daif", unit)) 30383114Sscottl panic("Could not create AIF thread\n"); 30482527Sscottl 30583114Sscottl /* Register the shutdown method to only be called post-dump */ 306110427Sscottl if ((sc->eh = EVENTHANDLER_REGISTER(shutdown_final, aac_shutdown, 307110427Sscottl sc->aac_dev, SHUTDOWN_PRI_DEFAULT)) == NULL) 308110427Sscottl device_printf(sc->aac_dev, 309110427Sscottl "shutdown event registration failed\n"); 31082527Sscottl 31195536Sscottl /* Register with CAM for the non-DASD devices */ 312112679Sscottl if ((sc->flags & AAC_FLAGS_ENABLE_CAM) != 0) { 313110426Sscottl TAILQ_INIT(&sc->aac_sim_tqh); 31495536Sscottl aac_get_bus_info(sc); 315110426Sscottl } 31695536Sscottl 31783114Sscottl return(0); 31865793Smsmith} 31965793Smsmith 32083114Sscottl/* 32165793Smsmith * Probe for containers, create disks. 32265793Smsmith */ 32365793Smsmithstatic void 32465793Smsmithaac_startup(void *arg) 32565793Smsmith{ 32683114Sscottl struct aac_softc *sc; 32795350Sscottl struct aac_fib *fib; 32895350Sscottl struct aac_mntinfo *mi; 32995350Sscottl struct aac_mntinforesp *mir = NULL; 330115760Sscottl int count = 0, i = 0; 33165793Smsmith 33283114Sscottl debug_called(1); 33365793Smsmith 33483114Sscottl sc = (struct aac_softc *)arg; 33565793Smsmith 33683114Sscottl /* disconnect ourselves from the intrhook chain */ 33783114Sscottl config_intrhook_disestablish(&sc->aac_ich); 33865793Smsmith 339130006Sscottl aac_alloc_sync_fib(sc, &fib); 34095350Sscottl mi = (struct aac_mntinfo *)&fib->data[0]; 34195350Sscottl 34283114Sscottl /* loop over possible containers */ 34383114Sscottl do { 34483114Sscottl /* request information on this container */ 34595966Sscottl bzero(mi, sizeof(struct aac_mntinfo)); 34695966Sscottl mi->Command = VM_NameServe; 34795966Sscottl mi->MntType = FT_FILESYS; 34895350Sscottl mi->MntCount = i; 34995350Sscottl if (aac_sync_fib(sc, ContainerCommand, 0, fib, 35095350Sscottl sizeof(struct aac_mntinfo))) { 351115760Sscottl printf("error probing container %d", i); 35283114Sscottl continue; 35383114Sscottl } 35465793Smsmith 35595350Sscottl mir = (struct aac_mntinforesp *)&fib->data[0]; 356115760Sscottl /* XXX Need to check if count changed */ 357115760Sscottl count = mir->MntRespCount; 35895350Sscottl aac_add_container(sc, mir, 0); 35983114Sscottl i++; 360115760Sscottl } while ((i < count) && (i < AAC_MAX_CONTAINERS)); 36165793Smsmith 36295350Sscottl aac_release_sync_fib(sc); 36395350Sscottl 36483114Sscottl /* poke the bus to actually attach the child devices */ 36583114Sscottl if (bus_generic_attach(sc->aac_dev)) 36683114Sscottl device_printf(sc->aac_dev, "bus_generic_attach failed\n"); 36765793Smsmith 36883114Sscottl /* mark the controller up */ 36983114Sscottl sc->aac_state &= ~AAC_STATE_SUSPEND; 37070393Smsmith 37183114Sscottl /* enable interrupts now */ 37283114Sscottl AAC_UNMASK_INTERRUPTS(sc); 37365793Smsmith} 37465793Smsmith 37583114Sscottl/* 37683114Sscottl * Create a device to respresent a new container 37783114Sscottl */ 37883114Sscottlstatic void 37995350Sscottlaac_add_container(struct aac_softc *sc, struct aac_mntinforesp *mir, int f) 38083114Sscottl{ 38183114Sscottl struct aac_container *co; 38283114Sscottl device_t child; 38383114Sscottl 38483114Sscottl /* 38583114Sscottl * Check container volume type for validity. Note that many of 38683114Sscottl * the possible types may never show up. 38783114Sscottl */ 38883114Sscottl if ((mir->Status == ST_OK) && (mir->MntTable[0].VolType != CT_NONE)) { 389110428Sscottl co = (struct aac_container *)malloc(sizeof *co, M_AACBUF, 390110428Sscottl M_NOWAIT | M_ZERO); 39183114Sscottl if (co == NULL) 39283114Sscottl panic("Out of memory?!\n"); 39383114Sscottl debug(1, "id %x name '%.16s' size %u type %d", 39483114Sscottl mir->MntTable[0].ObjectId, 39583114Sscottl mir->MntTable[0].FileSystemName, 39683114Sscottl mir->MntTable[0].Capacity, mir->MntTable[0].VolType); 39783114Sscottl 39895536Sscottl if ((child = device_add_child(sc->aac_dev, "aacd", -1)) == NULL) 39983114Sscottl device_printf(sc->aac_dev, "device_add_child failed\n"); 40083114Sscottl else 40183114Sscottl device_set_ivars(child, co); 40283114Sscottl device_set_desc(child, aac_describe_code(aac_container_types, 40383114Sscottl mir->MntTable[0].VolType)); 40483114Sscottl co->co_disk = child; 40583114Sscottl co->co_found = f; 40683114Sscottl bcopy(&mir->MntTable[0], &co->co_mntobj, 40783114Sscottl sizeof(struct aac_mntobj)); 408133540Sscottl mtx_lock(&sc->aac_container_lock); 40983114Sscottl TAILQ_INSERT_TAIL(&sc->aac_container_tqh, co, co_link); 410133540Sscottl mtx_unlock(&sc->aac_container_lock); 41183114Sscottl } 41283114Sscottl} 41383114Sscottl 41483114Sscottl/* 41565793Smsmith * Free all of the resources associated with (sc) 41665793Smsmith * 41765793Smsmith * Should not be called if the controller is active. 41865793Smsmith */ 41965793Smsmithvoid 42065793Smsmithaac_free(struct aac_softc *sc) 42165793Smsmith{ 422110604Sscottl 42383114Sscottl debug_called(1); 42465793Smsmith 42583114Sscottl /* remove the control device */ 42683114Sscottl if (sc->aac_dev_t != NULL) 42783114Sscottl destroy_dev(sc->aac_dev_t); 42865793Smsmith 42983114Sscottl /* throw away any FIB buffers, discard the FIB DMA tag */ 430111141Sscottl aac_free_commands(sc); 43183114Sscottl if (sc->aac_fib_dmat) 43283114Sscottl bus_dma_tag_destroy(sc->aac_fib_dmat); 43365793Smsmith 434110604Sscottl free(sc->aac_commands, M_AACBUF); 435110604Sscottl 43683114Sscottl /* destroy the common area */ 43783114Sscottl if (sc->aac_common) { 43883114Sscottl bus_dmamap_unload(sc->aac_common_dmat, sc->aac_common_dmamap); 43983114Sscottl bus_dmamem_free(sc->aac_common_dmat, sc->aac_common, 44083114Sscottl sc->aac_common_dmamap); 44183114Sscottl } 44283114Sscottl if (sc->aac_common_dmat) 44383114Sscottl bus_dma_tag_destroy(sc->aac_common_dmat); 44465793Smsmith 44583114Sscottl /* disconnect the interrupt handler */ 44683114Sscottl if (sc->aac_intr) 44783114Sscottl bus_teardown_intr(sc->aac_dev, sc->aac_irq, sc->aac_intr); 44883114Sscottl if (sc->aac_irq != NULL) 44983114Sscottl bus_release_resource(sc->aac_dev, SYS_RES_IRQ, sc->aac_irq_rid, 45083114Sscottl sc->aac_irq); 45165793Smsmith 45283114Sscottl /* destroy data-transfer DMA tag */ 45383114Sscottl if (sc->aac_buffer_dmat) 45483114Sscottl bus_dma_tag_destroy(sc->aac_buffer_dmat); 45565793Smsmith 45683114Sscottl /* destroy the parent DMA tag */ 45783114Sscottl if (sc->aac_parent_dmat) 45883114Sscottl bus_dma_tag_destroy(sc->aac_parent_dmat); 45965793Smsmith 46083114Sscottl /* release the register window mapping */ 46183114Sscottl if (sc->aac_regs_resource != NULL) 46283114Sscottl bus_release_resource(sc->aac_dev, SYS_RES_MEMORY, 46383114Sscottl sc->aac_regs_rid, sc->aac_regs_resource); 46465793Smsmith} 46565793Smsmith 46683114Sscottl/* 46765793Smsmith * Disconnect from the controller completely, in preparation for unload. 46865793Smsmith */ 46965793Smsmithint 47065793Smsmithaac_detach(device_t dev) 47165793Smsmith{ 47283114Sscottl struct aac_softc *sc; 473110426Sscottl struct aac_container *co; 474110426Sscottl struct aac_sim *sim; 47583114Sscottl int error; 47665793Smsmith 47783114Sscottl debug_called(1); 47865793Smsmith 47983114Sscottl sc = device_get_softc(dev); 48083114Sscottl 48183114Sscottl if (sc->aac_state & AAC_STATE_OPEN) 482110426Sscottl return(EBUSY); 48365793Smsmith 484110426Sscottl /* Remove the child containers */ 485110428Sscottl while ((co = TAILQ_FIRST(&sc->aac_container_tqh)) != NULL) { 486110426Sscottl error = device_delete_child(dev, co->co_disk); 487110426Sscottl if (error) 488110426Sscottl return (error); 489111196Sscottl TAILQ_REMOVE(&sc->aac_container_tqh, co, co_link); 490110428Sscottl free(co, M_AACBUF); 491110426Sscottl } 492110426Sscottl 493110426Sscottl /* Remove the CAM SIMs */ 494110428Sscottl while ((sim = TAILQ_FIRST(&sc->aac_sim_tqh)) != NULL) { 495110428Sscottl TAILQ_REMOVE(&sc->aac_sim_tqh, sim, sim_link); 496110426Sscottl error = device_delete_child(dev, sim->sim_dev); 497110426Sscottl if (error) 498110426Sscottl return (error); 499110428Sscottl free(sim, M_AACBUF); 500110426Sscottl } 501110426Sscottl 50283114Sscottl if (sc->aifflags & AAC_AIFFLAGS_RUNNING) { 50383114Sscottl sc->aifflags |= AAC_AIFFLAGS_EXIT; 50483114Sscottl wakeup(sc->aifthread); 50583114Sscottl tsleep(sc->aac_dev, PUSER | PCATCH, "aacdch", 30 * hz); 50683114Sscottl } 50782527Sscottl 50883114Sscottl if (sc->aifflags & AAC_AIFFLAGS_RUNNING) 50983114Sscottl panic("Cannot shutdown AIF thread\n"); 51082527Sscottl 51183114Sscottl if ((error = aac_shutdown(dev))) 51283114Sscottl return(error); 51365793Smsmith 514110427Sscottl EVENTHANDLER_DEREGISTER(shutdown_final, sc->eh); 515110427Sscottl 51683114Sscottl aac_free(sc); 51765793Smsmith 518133542Sscottl mtx_destroy(&sc->aac_aifq_lock); 519133542Sscottl mtx_destroy(&sc->aac_io_lock); 520133542Sscottl mtx_destroy(&sc->aac_container_lock); 521133542Sscottl 52283114Sscottl return(0); 52365793Smsmith} 52465793Smsmith 52583114Sscottl/* 52665793Smsmith * Bring the controller down to a dormant state and detach all child devices. 52765793Smsmith * 52865793Smsmith * This function is called before detach or system shutdown. 52965793Smsmith * 53070393Smsmith * Note that we can assume that the bioq on the controller is empty, as we won't 53165793Smsmith * allow shutdown if any device is open. 53265793Smsmith */ 53365793Smsmithint 53465793Smsmithaac_shutdown(device_t dev) 53565793Smsmith{ 53683114Sscottl struct aac_softc *sc; 53795350Sscottl struct aac_fib *fib; 53895350Sscottl struct aac_close_command *cc; 53965793Smsmith 54083114Sscottl debug_called(1); 54165793Smsmith 54283114Sscottl sc = device_get_softc(dev); 54365793Smsmith 54483114Sscottl sc->aac_state |= AAC_STATE_SUSPEND; 54565793Smsmith 54683114Sscottl /* 54783114Sscottl * Send a Container shutdown followed by a HostShutdown FIB to the 54883114Sscottl * controller to convince it that we don't want to talk to it anymore. 54983114Sscottl * We've been closed and all I/O completed already 55082527Sscottl */ 55183114Sscottl device_printf(sc->aac_dev, "shutting down controller..."); 55283114Sscottl 553130006Sscottl aac_alloc_sync_fib(sc, &fib); 55495350Sscottl cc = (struct aac_close_command *)&fib->data[0]; 55595350Sscottl 55695966Sscottl bzero(cc, sizeof(struct aac_close_command)); 55795350Sscottl cc->Command = VM_CloseAll; 55895350Sscottl cc->ContainerId = 0xffffffff; 55995350Sscottl if (aac_sync_fib(sc, ContainerCommand, 0, fib, 56095350Sscottl sizeof(struct aac_close_command))) 56183114Sscottl printf("FAILED.\n"); 562110426Sscottl else 563110426Sscottl printf("done\n"); 564110426Sscottl#if 0 56583114Sscottl else { 56695350Sscottl fib->data[0] = 0; 56783114Sscottl /* 56883114Sscottl * XXX Issuing this command to the controller makes it shut down 56983114Sscottl * but also keeps it from coming back up without a reset of the 57083114Sscottl * PCI bus. This is not desirable if you are just unloading the 57183114Sscottl * driver module with the intent to reload it later. 57283114Sscottl */ 57395350Sscottl if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN, 57495350Sscottl fib, 1)) { 57583114Sscottl printf("FAILED.\n"); 57683114Sscottl } else { 57783114Sscottl printf("done.\n"); 57883114Sscottl } 57965793Smsmith } 580110426Sscottl#endif 58165793Smsmith 58283114Sscottl AAC_MASK_INTERRUPTS(sc); 583133539Sscottl aac_release_sync_fib(sc); 58465793Smsmith 58583114Sscottl return(0); 58665793Smsmith} 58765793Smsmith 58883114Sscottl/* 58965793Smsmith * Bring the controller to a quiescent state, ready for system suspend. 59065793Smsmith */ 59165793Smsmithint 59265793Smsmithaac_suspend(device_t dev) 59365793Smsmith{ 59483114Sscottl struct aac_softc *sc; 59565793Smsmith 59683114Sscottl debug_called(1); 59765793Smsmith 59883114Sscottl sc = device_get_softc(dev); 59983114Sscottl 60083114Sscottl sc->aac_state |= AAC_STATE_SUSPEND; 60183114Sscottl 60283114Sscottl AAC_MASK_INTERRUPTS(sc); 60383114Sscottl return(0); 60465793Smsmith} 60565793Smsmith 60683114Sscottl/* 60765793Smsmith * Bring the controller back to a state ready for operation. 60865793Smsmith */ 60965793Smsmithint 61065793Smsmithaac_resume(device_t dev) 61165793Smsmith{ 61283114Sscottl struct aac_softc *sc; 61365793Smsmith 61483114Sscottl debug_called(1); 61583114Sscottl 61683114Sscottl sc = device_get_softc(dev); 61783114Sscottl 61883114Sscottl sc->aac_state &= ~AAC_STATE_SUSPEND; 61983114Sscottl AAC_UNMASK_INTERRUPTS(sc); 62083114Sscottl return(0); 62165793Smsmith} 62265793Smsmith 62383114Sscottl/* 62465793Smsmith * Take an interrupt. 62565793Smsmith */ 62665793Smsmithvoid 62765793Smsmithaac_intr(void *arg) 62865793Smsmith{ 62983114Sscottl struct aac_softc *sc; 63083114Sscottl u_int16_t reason; 63165793Smsmith 63283114Sscottl debug_called(2); 63365793Smsmith 63483114Sscottl sc = (struct aac_softc *)arg; 63565793Smsmith 636109088Sscottl /* 637125225Sscottl * Read the status register directly. This is faster than taking the 638125225Sscottl * driver lock and reading the queues directly. It also saves having 639125225Sscottl * to turn parts of the driver lock into a spin mutex, which would be 640125225Sscottl * ugly. 641109088Sscottl */ 642125225Sscottl reason = AAC_GET_ISTATUS(sc); 643109088Sscottl AAC_CLEAR_ISTATUS(sc, reason); 64465793Smsmith 645125225Sscottl /* handle completion processing */ 646109088Sscottl if (reason & AAC_DB_RESPONSE_READY) 647125225Sscottl taskqueue_enqueue_fast(taskqueue_fast, &sc->aac_task_complete); 648109088Sscottl 649125225Sscottl /* controller wants to talk to us */ 650125225Sscottl if (reason & (AAC_DB_PRINTF | AAC_DB_COMMAND_READY)) { 651125225Sscottl /* 652125225Sscottl * XXX Make sure that we don't get fooled by strange messages 653125225Sscottl * that start with a NULL. 654125225Sscottl */ 655125225Sscottl if ((reason & AAC_DB_PRINTF) && 656125225Sscottl (sc->aac_common->ac_printf[0] == 0)) 657125225Sscottl sc->aac_common->ac_printf[0] = 32; 65865793Smsmith 659125225Sscottl /* 660125225Sscottl * This might miss doing the actual wakeup. However, the 661125542Sscottl * msleep that this is waking up has a timeout, so it will 662125225Sscottl * wake up eventually. AIFs and printfs are low enough 663125225Sscottl * priority that they can handle hanging out for a few seconds 664125225Sscottl * if needed. 665125225Sscottl */ 666125225Sscottl wakeup(sc->aifthread); 66783114Sscottl } 668109088Sscottl} 66983114Sscottl 67083114Sscottl/* 67183114Sscottl * Command Processing 67283114Sscottl */ 67365793Smsmith 67483114Sscottl/* 67565793Smsmith * Start as much queued I/O as possible on the controller 67665793Smsmith */ 67795536Sscottlvoid 67865793Smsmithaac_startio(struct aac_softc *sc) 67965793Smsmith{ 68083114Sscottl struct aac_command *cm; 681129923Sscottl int error; 68265793Smsmith 68383114Sscottl debug_called(2); 68465793Smsmith 68583114Sscottl for (;;) { 68683114Sscottl /* 687129923Sscottl * This flag might be set if the card is out of resources. 688129923Sscottl * Checking it here prevents an infinite loop of deferrals. 689129923Sscottl */ 690129923Sscottl if (sc->flags & AAC_QUEUE_FRZN) 691129923Sscottl break; 692129923Sscottl 693129923Sscottl /* 69483114Sscottl * Try to get a command that's been put off for lack of 69583114Sscottl * resources 69683114Sscottl */ 69783114Sscottl cm = aac_dequeue_ready(sc); 69865793Smsmith 69983114Sscottl /* 70083114Sscottl * Try to build a command off the bio queue (ignore error 70183114Sscottl * return) 70283114Sscottl */ 70383114Sscottl if (cm == NULL) 70483114Sscottl aac_bio_command(sc, &cm); 70565793Smsmith 70683114Sscottl /* nothing to do? */ 70783114Sscottl if (cm == NULL) 70883114Sscottl break; 70965793Smsmith 710129923Sscottl /* don't map more than once */ 711129923Sscottl if (cm->cm_flags & AAC_CMD_MAPPED) 712129923Sscottl panic("aac: command %p already mapped", cm); 713129923Sscottl 714125559Sscottl /* 715129923Sscottl * Set up the command to go to the controller. If there are no 716129923Sscottl * data buffers associated with the command then it can bypass 717129923Sscottl * busdma. 718125559Sscottl */ 719129923Sscottl if (cm->cm_datalen != 0) { 720129923Sscottl error = bus_dmamap_load(sc->aac_buffer_dmat, 721129923Sscottl cm->cm_datamap, cm->cm_data, 722129923Sscottl cm->cm_datalen, 723129923Sscottl aac_map_command_sg, cm, 0); 724129923Sscottl if (error == EINPROGRESS) { 725129923Sscottl debug(1, "freezing queue\n"); 726129923Sscottl sc->flags |= AAC_QUEUE_FRZN; 727129923Sscottl error = 0; 728129946Sscottl } else if (error != 0) 729129923Sscottl panic("aac_startio: unexpected error %d from " 730129923Sscottl "busdma\n", error); 731129923Sscottl } else 732129923Sscottl aac_map_command_sg(cm, NULL, 0, 0); 73365793Smsmith } 73465793Smsmith} 73565793Smsmith 73683114Sscottl/* 73765793Smsmith * Handle notification of one or more FIBs coming from the controller. 73865793Smsmith */ 73965793Smsmithstatic void 740110426Sscottlaac_command_thread(struct aac_softc *sc) 74165793Smsmith{ 74283114Sscottl struct aac_fib *fib; 74383114Sscottl u_int32_t fib_size; 744125225Sscottl int size, retval; 74565793Smsmith 74683114Sscottl debug_called(2); 74765793Smsmith 748133540Sscottl mtx_lock(&sc->aac_io_lock); 749125542Sscottl sc->aifflags = AAC_AIFFLAGS_RUNNING; 75065793Smsmith 751125542Sscottl while ((sc->aifflags & AAC_AIFFLAGS_EXIT) == 0) { 75282527Sscottl 753125542Sscottl retval = 0; 754125542Sscottl if ((sc->aifflags & AAC_AIFFLAGS_PENDING) == 0) 755125542Sscottl retval = msleep(sc->aifthread, &sc->aac_io_lock, PRIBIO, 756125542Sscottl "aifthd", AAC_PERIODIC_INTERVAL * hz); 757125542Sscottl 758125225Sscottl /* 759125225Sscottl * First see if any FIBs need to be allocated. This needs 760125225Sscottl * to be called without the driver lock because contigmalloc 761125225Sscottl * will grab Giant, and would result in an LOR. 762125225Sscottl */ 763125225Sscottl if ((sc->aifflags & AAC_AIFFLAGS_ALLOCFIBS) != 0) { 764133540Sscottl mtx_unlock(&sc->aac_io_lock); 765125225Sscottl aac_alloc_commands(sc); 766133540Sscottl mtx_lock(&sc->aac_io_lock); 767125559Sscottl sc->aifflags &= ~AAC_AIFFLAGS_ALLOCFIBS; 768125542Sscottl aac_startio(sc); 769125225Sscottl } 770125225Sscottl 771125225Sscottl /* 772125225Sscottl * While we're here, check to see if any commands are stuck. 773125225Sscottl * This is pretty low-priority, so it's ok if it doesn't 774125225Sscottl * always fire. 775125225Sscottl */ 776125225Sscottl if (retval == EWOULDBLOCK) 777110426Sscottl aac_timeout(sc); 778110426Sscottl 779110426Sscottl /* Check the hardware printf message buffer */ 780125225Sscottl if (sc->aac_common->ac_printf[0] != 0) 781110426Sscottl aac_print_printf(sc); 782110426Sscottl 783125225Sscottl /* Also check to see if the adapter has a command for us. */ 784125225Sscottl while (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE, 785125225Sscottl &fib_size, &fib) == 0) { 78683114Sscottl 78783114Sscottl AAC_PRINT_FIB(sc, fib); 78883114Sscottl 78983114Sscottl switch (fib->Header.Command) { 79083114Sscottl case AifRequest: 79183114Sscottl aac_handle_aif(sc, fib); 79283114Sscottl break; 79383114Sscottl default: 79483114Sscottl device_printf(sc->aac_dev, "unknown command " 79583114Sscottl "from controller\n"); 79683114Sscottl break; 79783114Sscottl } 79882527Sscottl 79983114Sscottl if ((fib->Header.XferState == 0) || 80083114Sscottl (fib->Header.StructType != AAC_FIBTYPE_TFIB)) 80183114Sscottl break; 80282527Sscottl 803110426Sscottl /* Return the AIF to the controller. */ 80483114Sscottl if (fib->Header.XferState & AAC_FIBSTATE_FROMADAP) { 80583114Sscottl fib->Header.XferState |= AAC_FIBSTATE_DONEHOST; 80683114Sscottl *(AAC_FSAStatus*)fib->data = ST_OK; 80782527Sscottl 80883114Sscottl /* XXX Compute the Size field? */ 80983114Sscottl size = fib->Header.Size; 81083114Sscottl if (size > sizeof(struct aac_fib)) { 81195536Sscottl size = sizeof(struct aac_fib); 81283114Sscottl fib->Header.Size = size; 81383114Sscottl } 81483114Sscottl /* 81583114Sscottl * Since we did not generate this command, it 81683114Sscottl * cannot go through the normal 81783114Sscottl * enqueue->startio chain. 81883114Sscottl */ 81983114Sscottl aac_enqueue_response(sc, 82083114Sscottl AAC_ADAP_NORM_RESP_QUEUE, 82183114Sscottl fib); 82283114Sscottl } 82382527Sscottl } 82465793Smsmith } 82583114Sscottl sc->aifflags &= ~AAC_AIFFLAGS_RUNNING; 826133540Sscottl mtx_unlock(&sc->aac_io_lock); 82783114Sscottl wakeup(sc->aac_dev); 82865793Smsmith 82983114Sscottl kthread_exit(0); 83065793Smsmith} 83165793Smsmith 83283114Sscottl/* 833111143Sscottl * Process completed commands. 83465793Smsmith */ 83565793Smsmithstatic void 836111143Sscottlaac_complete(void *context, int pending) 83765793Smsmith{ 838111143Sscottl struct aac_softc *sc; 83983114Sscottl struct aac_command *cm; 84083114Sscottl struct aac_fib *fib; 84183114Sscottl u_int32_t fib_size; 84265793Smsmith 84383114Sscottl debug_called(2); 84465793Smsmith 845111143Sscottl sc = (struct aac_softc *)context; 846111143Sscottl 847133540Sscottl mtx_lock(&sc->aac_io_lock); 848111532Sscottl 849111143Sscottl /* pull completed commands off the queue */ 85083114Sscottl for (;;) { 85183114Sscottl /* look for completed FIBs on our queue */ 85283114Sscottl if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size, 85383114Sscottl &fib)) 85483114Sscottl break; /* nothing to do */ 855111143Sscottl 856125574Sscottl /* get the command, unmap and hand off for processing */ 857111152Sscottl cm = sc->aac_commands + fib->Header.SenderData; 85883114Sscottl if (cm == NULL) { 85983114Sscottl AAC_PRINT_FIB(sc, fib); 860111143Sscottl break; 86183114Sscottl } 86265793Smsmith 863111143Sscottl aac_remove_busy(cm); 864125574Sscottl aac_unmap_command(cm); 86583114Sscottl cm->cm_flags |= AAC_CMD_COMPLETED; 86683114Sscottl 86783114Sscottl /* is there a completion handler? */ 86883114Sscottl if (cm->cm_complete != NULL) { 86983114Sscottl cm->cm_complete(cm); 87083114Sscottl } else { 87183114Sscottl /* assume that someone is sleeping on this command */ 87283114Sscottl wakeup(cm); 87383114Sscottl } 87465793Smsmith } 87570393Smsmith 87683114Sscottl /* see if we can start some more I/O */ 877117363Sscottl sc->flags &= ~AAC_QUEUE_FRZN; 87883114Sscottl aac_startio(sc); 879111532Sscottl 880133540Sscottl mtx_unlock(&sc->aac_io_lock); 88165793Smsmith} 88265793Smsmith 88383114Sscottl/* 88465793Smsmith * Handle a bio submitted from a disk device. 88565793Smsmith */ 88665793Smsmithvoid 88765793Smsmithaac_submit_bio(struct bio *bp) 88865793Smsmith{ 88983114Sscottl struct aac_disk *ad; 89083114Sscottl struct aac_softc *sc; 89165793Smsmith 89283114Sscottl debug_called(2); 89365793Smsmith 894111525Sscottl ad = (struct aac_disk *)bp->bio_disk->d_drv1; 89583114Sscottl sc = ad->ad_controller; 89683114Sscottl 89783114Sscottl /* queue the BIO and try to get some work done */ 89883114Sscottl aac_enqueue_bio(sc, bp); 89983114Sscottl aac_startio(sc); 90065793Smsmith} 90165793Smsmith 90283114Sscottl/* 90365793Smsmith * Get a bio and build a command to go with it. 90465793Smsmith */ 90565793Smsmithstatic int 90665793Smsmithaac_bio_command(struct aac_softc *sc, struct aac_command **cmp) 90765793Smsmith{ 90883114Sscottl struct aac_command *cm; 90983114Sscottl struct aac_fib *fib; 91083114Sscottl struct aac_disk *ad; 91183114Sscottl struct bio *bp; 91265793Smsmith 91383114Sscottl debug_called(2); 91465793Smsmith 91583114Sscottl /* get the resources we will need */ 91683114Sscottl cm = NULL; 917125542Sscottl bp = NULL; 918125542Sscottl if (aac_alloc_command(sc, &cm)) /* get a command */ 919125542Sscottl goto fail; 92083114Sscottl if ((bp = aac_dequeue_bio(sc)) == NULL) 92183114Sscottl goto fail; 92265793Smsmith 92383114Sscottl /* fill out the command */ 92483114Sscottl cm->cm_data = (void *)bp->bio_data; 92583114Sscottl cm->cm_datalen = bp->bio_bcount; 92683114Sscottl cm->cm_complete = aac_bio_complete; 92783114Sscottl cm->cm_private = bp; 92883114Sscottl cm->cm_timestamp = time_second; 92983114Sscottl cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE; 93065793Smsmith 93183114Sscottl /* build the FIB */ 93283114Sscottl fib = cm->cm_fib; 933112856Sscottl fib->Header.Size = sizeof(struct aac_fib_header); 93483114Sscottl fib->Header.XferState = 935109088Sscottl AAC_FIBSTATE_HOSTOWNED | 936109088Sscottl AAC_FIBSTATE_INITIALISED | 937109088Sscottl AAC_FIBSTATE_EMPTY | 938109088Sscottl AAC_FIBSTATE_FROMHOST | 939109088Sscottl AAC_FIBSTATE_REXPECTED | 940109088Sscottl AAC_FIBSTATE_NORM | 941109088Sscottl AAC_FIBSTATE_ASYNC | 942109088Sscottl AAC_FIBSTATE_FAST_RESPONSE; 94365793Smsmith 94483114Sscottl /* build the read/write request */ 945111525Sscottl ad = (struct aac_disk *)bp->bio_disk->d_drv1; 946112856Sscottl 947112856Sscottl if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) { 948112856Sscottl fib->Header.Command = ContainerCommand; 949112856Sscottl if (bp->bio_cmd == BIO_READ) { 950112856Sscottl struct aac_blockread *br; 951112856Sscottl br = (struct aac_blockread *)&fib->data[0]; 952112856Sscottl br->Command = VM_CtBlockRead; 953112856Sscottl br->ContainerId = ad->ad_container->co_mntobj.ObjectId; 954112856Sscottl br->BlockNumber = bp->bio_pblkno; 955112856Sscottl br->ByteCount = bp->bio_bcount; 956112856Sscottl fib->Header.Size += sizeof(struct aac_blockread); 957112856Sscottl cm->cm_sgtable = &br->SgMap; 958112856Sscottl cm->cm_flags |= AAC_CMD_DATAIN; 959112856Sscottl } else { 960112856Sscottl struct aac_blockwrite *bw; 961112856Sscottl bw = (struct aac_blockwrite *)&fib->data[0]; 962112856Sscottl bw->Command = VM_CtBlockWrite; 963112856Sscottl bw->ContainerId = ad->ad_container->co_mntobj.ObjectId; 964112856Sscottl bw->BlockNumber = bp->bio_pblkno; 965112856Sscottl bw->ByteCount = bp->bio_bcount; 966112856Sscottl bw->Stable = CUNSTABLE; 967112856Sscottl fib->Header.Size += sizeof(struct aac_blockwrite); 968112856Sscottl cm->cm_flags |= AAC_CMD_DATAOUT; 969112856Sscottl cm->cm_sgtable = &bw->SgMap; 970112856Sscottl } 97183114Sscottl } else { 972112856Sscottl fib->Header.Command = ContainerCommand64; 973112856Sscottl if (bp->bio_cmd == BIO_READ) { 974112856Sscottl struct aac_blockread64 *br; 975112856Sscottl br = (struct aac_blockread64 *)&fib->data[0]; 976112856Sscottl br->Command = VM_CtHostRead64; 977112856Sscottl br->ContainerId = ad->ad_container->co_mntobj.ObjectId; 978112856Sscottl br->SectorCount = bp->bio_bcount / AAC_BLOCK_SIZE; 979112856Sscottl br->BlockNumber = bp->bio_pblkno; 980112856Sscottl br->Pad = 0; 981112856Sscottl br->Flags = 0; 982112856Sscottl fib->Header.Size += sizeof(struct aac_blockread64); 983112856Sscottl cm->cm_flags |= AAC_CMD_DATAOUT; 984132771Skan cm->cm_sgtable = (struct aac_sg_table *)&br->SgMap64; 985112856Sscottl } else { 986112856Sscottl struct aac_blockwrite64 *bw; 987112856Sscottl bw = (struct aac_blockwrite64 *)&fib->data[0]; 988112856Sscottl bw->Command = VM_CtHostWrite64; 989112856Sscottl bw->ContainerId = ad->ad_container->co_mntobj.ObjectId; 990112856Sscottl bw->SectorCount = bp->bio_bcount / AAC_BLOCK_SIZE; 991112856Sscottl bw->BlockNumber = bp->bio_pblkno; 992112856Sscottl bw->Pad = 0; 993112856Sscottl bw->Flags = 0; 994112856Sscottl fib->Header.Size += sizeof(struct aac_blockwrite64); 995112856Sscottl cm->cm_flags |= AAC_CMD_DATAIN; 996132771Skan cm->cm_sgtable = (struct aac_sg_table *)&bw->SgMap64; 997112856Sscottl } 99883114Sscottl } 99965793Smsmith 100083114Sscottl *cmp = cm; 100183114Sscottl return(0); 100265793Smsmith 100365793Smsmithfail: 100483114Sscottl if (bp != NULL) 100583114Sscottl aac_enqueue_bio(sc, bp); 100683114Sscottl if (cm != NULL) 100783114Sscottl aac_release_command(cm); 100883114Sscottl return(ENOMEM); 100965793Smsmith} 101065793Smsmith 101183114Sscottl/* 101265793Smsmith * Handle a bio-instigated command that has been completed. 101365793Smsmith */ 101465793Smsmithstatic void 101565793Smsmithaac_bio_complete(struct aac_command *cm) 101665793Smsmith{ 101783114Sscottl struct aac_blockread_response *brr; 101883114Sscottl struct aac_blockwrite_response *bwr; 101983114Sscottl struct bio *bp; 102083114Sscottl AAC_FSAStatus status; 102165793Smsmith 102283114Sscottl /* fetch relevant status and then release the command */ 102383114Sscottl bp = (struct bio *)cm->cm_private; 1024111691Sscottl if (bp->bio_cmd == BIO_READ) { 102583114Sscottl brr = (struct aac_blockread_response *)&cm->cm_fib->data[0]; 102683114Sscottl status = brr->Status; 102783114Sscottl } else { 102883114Sscottl bwr = (struct aac_blockwrite_response *)&cm->cm_fib->data[0]; 102983114Sscottl status = bwr->Status; 103083114Sscottl } 103183114Sscottl aac_release_command(cm); 103265793Smsmith 103383114Sscottl /* fix up the bio based on status */ 103483114Sscottl if (status == ST_OK) { 103583114Sscottl bp->bio_resid = 0; 103683114Sscottl } else { 103783114Sscottl bp->bio_error = EIO; 103883114Sscottl bp->bio_flags |= BIO_ERROR; 103983114Sscottl /* pass an error string out to the disk layer */ 104083114Sscottl bp->bio_driver1 = aac_describe_code(aac_command_status_table, 104183114Sscottl status); 104283114Sscottl } 104383114Sscottl aac_biodone(bp); 104465793Smsmith} 104565793Smsmith 104683114Sscottl/* 104765793Smsmith * Submit a command to the controller, return when it completes. 104887183Sscottl * XXX This is very dangerous! If the card has gone out to lunch, we could 104987183Sscottl * be stuck here forever. At the same time, signals are not caught 1050128258Sscottl * because there is a risk that a signal could wakeup the sleep before 1051128258Sscottl * the card has a chance to complete the command. Since there is no way 1052128258Sscottl * to cancel a command that is in progress, we can't protect against the 1053128258Sscottl * card completing a command late and spamming the command and data 1054128258Sscottl * memory. So, we are held hostage until the command completes. 105565793Smsmith */ 105665793Smsmithstatic int 1057128258Sscottlaac_wait_command(struct aac_command *cm) 105865793Smsmith{ 1059111532Sscottl struct aac_softc *sc; 1060128258Sscottl int error; 106165793Smsmith 106283114Sscottl debug_called(2); 106365793Smsmith 1064111532Sscottl sc = cm->cm_sc; 1065111532Sscottl 106683114Sscottl /* Put the command on the ready queue and get things going */ 106783114Sscottl cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE; 106883114Sscottl aac_enqueue_ready(cm); 1069111532Sscottl aac_startio(sc); 1070128258Sscottl error = msleep(cm, &sc->aac_io_lock, PRIBIO, "aacwait", 0); 107183114Sscottl return(error); 107265793Smsmith} 107365793Smsmith 107483114Sscottl/* 107583114Sscottl *Command Buffer Management 107683114Sscottl */ 107765793Smsmith 107883114Sscottl/* 107965793Smsmith * Allocate a command. 108065793Smsmith */ 108195536Sscottlint 108265793Smsmithaac_alloc_command(struct aac_softc *sc, struct aac_command **cmp) 108365793Smsmith{ 108483114Sscottl struct aac_command *cm; 108565793Smsmith 108683114Sscottl debug_called(3); 108765793Smsmith 1088110604Sscottl if ((cm = aac_dequeue_free(sc)) == NULL) { 1089112856Sscottl if (sc->total_fibs < sc->aac_max_fibs) { 1090112856Sscottl sc->aifflags |= AAC_AIFFLAGS_ALLOCFIBS; 1091112856Sscottl wakeup(sc->aifthread); 1092112856Sscottl } 1093111532Sscottl return (EBUSY); 1094110604Sscottl } 109565793Smsmith 109683114Sscottl *cmp = cm; 109783114Sscottl return(0); 109870393Smsmith} 109970393Smsmith 110083114Sscottl/* 110170393Smsmith * Release a command back to the freelist. 110270393Smsmith */ 110395536Sscottlvoid 110470393Smsmithaac_release_command(struct aac_command *cm) 110570393Smsmith{ 110683114Sscottl debug_called(3); 110770393Smsmith 110883114Sscottl /* (re)initialise the command/FIB */ 110983114Sscottl cm->cm_sgtable = NULL; 111083114Sscottl cm->cm_flags = 0; 111183114Sscottl cm->cm_complete = NULL; 111283114Sscottl cm->cm_private = NULL; 111383114Sscottl cm->cm_fib->Header.XferState = AAC_FIBSTATE_EMPTY; 111483114Sscottl cm->cm_fib->Header.StructType = AAC_FIBTYPE_TFIB; 111583114Sscottl cm->cm_fib->Header.Flags = 0; 111683114Sscottl cm->cm_fib->Header.SenderSize = sizeof(struct aac_fib); 111765793Smsmith 111883114Sscottl /* 111983114Sscottl * These are duplicated in aac_start to cover the case where an 112083114Sscottl * intermediate stage may have destroyed them. They're left 112183114Sscottl * initialised here for debugging purposes only. 112283114Sscottl */ 1123109088Sscottl cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys; 1124109088Sscottl cm->cm_fib->Header.SenderData = 0; 112565793Smsmith 112683114Sscottl aac_enqueue_free(cm); 112765793Smsmith} 112865793Smsmith 112983114Sscottl/* 113070393Smsmith * Map helper for command/FIB allocation. 113165793Smsmith */ 113265793Smsmithstatic void 113370393Smsmithaac_map_command_helper(void *arg, bus_dma_segment_t *segs, int nseg, int error) 113465793Smsmith{ 1135111141Sscottl uint32_t *fibphys; 113665793Smsmith 1137111141Sscottl fibphys = (uint32_t *)arg; 113865793Smsmith 113983114Sscottl debug_called(3); 114083114Sscottl 1141110604Sscottl *fibphys = segs[0].ds_addr; 114265793Smsmith} 114365793Smsmith 114483114Sscottl/* 114570393Smsmith * Allocate and initialise commands/FIBs for this adapter. 114665793Smsmith */ 114770393Smsmithstatic int 114870393Smsmithaac_alloc_commands(struct aac_softc *sc) 114965793Smsmith{ 115083114Sscottl struct aac_command *cm; 1151110604Sscottl struct aac_fibmap *fm; 1152111141Sscottl uint32_t fibphys; 1153110604Sscottl int i, error; 115465793Smsmith 1155112679Sscottl debug_called(2); 115665793Smsmith 1157112679Sscottl if (sc->total_fibs + AAC_FIB_COUNT > sc->aac_max_fibs) 1158110604Sscottl return (ENOMEM); 1159110604Sscottl 1160111141Sscottl fm = malloc(sizeof(struct aac_fibmap), M_AACBUF, M_NOWAIT|M_ZERO); 1161112679Sscottl if (fm == NULL) 1162112679Sscottl return (ENOMEM); 1163110604Sscottl 116483114Sscottl /* allocate the FIBs in DMAable memory and load them */ 1165110604Sscottl if (bus_dmamem_alloc(sc->aac_fib_dmat, (void **)&fm->aac_fibs, 1166110604Sscottl BUS_DMA_NOWAIT, &fm->aac_fibmap)) { 1167110426Sscottl device_printf(sc->aac_dev, 1168110426Sscottl "Not enough contiguous memory available.\n"); 1169111141Sscottl free(fm, M_AACBUF); 1170102602Sscottl return (ENOMEM); 117183114Sscottl } 1172109716Sscottl 1173117363Sscottl /* Ignore errors since this doesn't bounce */ 1174117363Sscottl (void)bus_dmamap_load(sc->aac_fib_dmat, fm->aac_fibmap, fm->aac_fibs, 1175117363Sscottl AAC_FIB_COUNT * sizeof(struct aac_fib), 1176117363Sscottl aac_map_command_helper, &fibphys, 0); 1177109716Sscottl 1178109716Sscottl /* initialise constant fields in the command structure */ 1179133540Sscottl mtx_lock(&sc->aac_io_lock); 1180110604Sscottl bzero(fm->aac_fibs, AAC_FIB_COUNT * sizeof(struct aac_fib)); 118183114Sscottl for (i = 0; i < AAC_FIB_COUNT; i++) { 1182111141Sscottl cm = sc->aac_commands + sc->total_fibs; 1183110604Sscottl fm->aac_commands = cm; 118483114Sscottl cm->cm_sc = sc; 1185110604Sscottl cm->cm_fib = fm->aac_fibs + i; 1186111141Sscottl cm->cm_fibphys = fibphys + (i * sizeof(struct aac_fib)); 1187111152Sscottl cm->cm_index = sc->total_fibs; 118865793Smsmith 1189110604Sscottl if ((error = bus_dmamap_create(sc->aac_buffer_dmat, 0, 1190110604Sscottl &cm->cm_datamap)) == 0) 119183114Sscottl aac_release_command(cm); 1192111141Sscottl else 1193111141Sscottl break; 1194111141Sscottl sc->total_fibs++; 119583114Sscottl } 1196110604Sscottl 1197111141Sscottl if (i > 0) { 1198111141Sscottl TAILQ_INSERT_TAIL(&sc->aac_fibmap_tqh, fm, fm_link); 1199112679Sscottl debug(1, "total_fibs= %d\n", sc->total_fibs); 1200133540Sscottl mtx_unlock(&sc->aac_io_lock); 1201111141Sscottl return (0); 1202111141Sscottl } 1203110604Sscottl 1204133540Sscottl mtx_unlock(&sc->aac_io_lock); 1205111141Sscottl bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap); 1206111141Sscottl bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap); 1207111141Sscottl free(fm, M_AACBUF); 1208111141Sscottl return (ENOMEM); 120965793Smsmith} 121065793Smsmith 121183114Sscottl/* 121270393Smsmith * Free FIBs owned by this adapter. 121365793Smsmith */ 121465793Smsmithstatic void 1215111141Sscottlaac_free_commands(struct aac_softc *sc) 121665793Smsmith{ 1217111141Sscottl struct aac_fibmap *fm; 1218110604Sscottl struct aac_command *cm; 121983114Sscottl int i; 122065793Smsmith 122183114Sscottl debug_called(1); 122265793Smsmith 1223111141Sscottl while ((fm = TAILQ_FIRST(&sc->aac_fibmap_tqh)) != NULL) { 1224111141Sscottl 1225111141Sscottl TAILQ_REMOVE(&sc->aac_fibmap_tqh, fm, fm_link); 1226111141Sscottl /* 1227111141Sscottl * We check against total_fibs to handle partially 1228111141Sscottl * allocated blocks. 1229111141Sscottl */ 1230111141Sscottl for (i = 0; i < AAC_FIB_COUNT && sc->total_fibs--; i++) { 1231111141Sscottl cm = fm->aac_commands + i; 1232111141Sscottl bus_dmamap_destroy(sc->aac_buffer_dmat, cm->cm_datamap); 1233111141Sscottl } 1234111141Sscottl bus_dmamap_unload(sc->aac_fib_dmat, fm->aac_fibmap); 1235111141Sscottl bus_dmamem_free(sc->aac_fib_dmat, fm->aac_fibs, fm->aac_fibmap); 1236111141Sscottl free(fm, M_AACBUF); 1237110604Sscottl } 123865793Smsmith} 123965793Smsmith 124083114Sscottl/* 124165793Smsmith * Command-mapping helper function - populate this command's s/g table. 124265793Smsmith */ 124365793Smsmithstatic void 124465793Smsmithaac_map_command_sg(void *arg, bus_dma_segment_t *segs, int nseg, int error) 124565793Smsmith{ 1246117363Sscottl struct aac_softc *sc; 124783114Sscottl struct aac_command *cm; 124883114Sscottl struct aac_fib *fib; 124983114Sscottl int i; 125065793Smsmith 125183114Sscottl debug_called(3); 125265793Smsmith 125383114Sscottl cm = (struct aac_command *)arg; 1254117363Sscottl sc = cm->cm_sc; 125583114Sscottl fib = cm->cm_fib; 125665793Smsmith 125783114Sscottl /* copy into the FIB */ 1258112856Sscottl if (cm->cm_sgtable != NULL) { 1259112856Sscottl if ((cm->cm_sc->flags & AAC_FLAGS_SG_64BIT) == 0) { 1260112856Sscottl struct aac_sg_table *sg; 1261112856Sscottl sg = cm->cm_sgtable; 1262112856Sscottl sg->SgCount = nseg; 1263112856Sscottl for (i = 0; i < nseg; i++) { 1264112856Sscottl sg->SgEntry[i].SgAddress = segs[i].ds_addr; 1265112856Sscottl sg->SgEntry[i].SgByteCount = segs[i].ds_len; 1266112856Sscottl } 1267112856Sscottl /* update the FIB size for the s/g count */ 1268112856Sscottl fib->Header.Size += nseg * sizeof(struct aac_sg_entry); 1269112856Sscottl } else { 1270112856Sscottl struct aac_sg_table64 *sg; 1271112856Sscottl sg = (struct aac_sg_table64 *)cm->cm_sgtable; 1272112856Sscottl sg->SgCount = nseg; 1273112856Sscottl for (i = 0; i < nseg; i++) { 1274112856Sscottl sg->SgEntry64[i].SgAddress = segs[i].ds_addr; 1275112856Sscottl sg->SgEntry64[i].SgByteCount = segs[i].ds_len; 1276112856Sscottl } 1277112856Sscottl /* update the FIB size for the s/g count */ 1278112856Sscottl fib->Header.Size += nseg*sizeof(struct aac_sg_entry64); 127983114Sscottl } 128065793Smsmith } 128165793Smsmith 1282117363Sscottl /* Fix up the address values in the FIB. Use the command array index 1283117363Sscottl * instead of a pointer since these fields are only 32 bits. Shift 1284117363Sscottl * the SenderFibAddress over to make room for the fast response bit. 1285117363Sscottl */ 1286117363Sscottl cm->cm_fib->Header.SenderFibAddress = (cm->cm_index << 1); 1287117363Sscottl cm->cm_fib->Header.ReceiverFibAddress = cm->cm_fibphys; 128865793Smsmith 1289117363Sscottl /* save a pointer to the command for speedy reverse-lookup */ 1290117363Sscottl cm->cm_fib->Header.SenderData = cm->cm_index; 129165793Smsmith 1292117363Sscottl if (cm->cm_flags & AAC_CMD_DATAIN) 1293117363Sscottl bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap, 1294117363Sscottl BUS_DMASYNC_PREREAD); 1295117363Sscottl if (cm->cm_flags & AAC_CMD_DATAOUT) 1296117363Sscottl bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap, 1297117363Sscottl BUS_DMASYNC_PREWRITE); 1298117363Sscottl cm->cm_flags |= AAC_CMD_MAPPED; 129965793Smsmith 1300129923Sscottl /* Put the FIB on the outbound queue */ 1301125559Sscottl if (aac_enqueue_fib(sc, cm->cm_queue, cm) == EBUSY) { 1302125559Sscottl aac_unmap_command(cm); 1303129923Sscottl sc->flags |= AAC_QUEUE_FRZN; 1304117363Sscottl aac_requeue_ready(cm); 1305125559Sscottl } 130665793Smsmith 1307117363Sscottl return; 130865793Smsmith} 130965793Smsmith 131083114Sscottl/* 131165793Smsmith * Unmap a command from controller-visible space. 131265793Smsmith */ 131365793Smsmithstatic void 131465793Smsmithaac_unmap_command(struct aac_command *cm) 131565793Smsmith{ 131683114Sscottl struct aac_softc *sc; 131765793Smsmith 131883114Sscottl debug_called(2); 131965793Smsmith 132083114Sscottl sc = cm->cm_sc; 132165793Smsmith 132283114Sscottl if (!(cm->cm_flags & AAC_CMD_MAPPED)) 132383114Sscottl return; 132465793Smsmith 132583114Sscottl if (cm->cm_datalen != 0) { 132683114Sscottl if (cm->cm_flags & AAC_CMD_DATAIN) 132783114Sscottl bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap, 132883114Sscottl BUS_DMASYNC_POSTREAD); 132983114Sscottl if (cm->cm_flags & AAC_CMD_DATAOUT) 133083114Sscottl bus_dmamap_sync(sc->aac_buffer_dmat, cm->cm_datamap, 133183114Sscottl BUS_DMASYNC_POSTWRITE); 133283114Sscottl 133383114Sscottl bus_dmamap_unload(sc->aac_buffer_dmat, cm->cm_datamap); 133483114Sscottl } 133583114Sscottl cm->cm_flags &= ~AAC_CMD_MAPPED; 133665793Smsmith} 133765793Smsmith 133883114Sscottl/* 133983114Sscottl * Hardware Interface 134083114Sscottl */ 134165793Smsmith 134283114Sscottl/* 134365793Smsmith * Initialise the adapter. 134465793Smsmith */ 134565793Smsmithstatic void 134665793Smsmithaac_common_map(void *arg, bus_dma_segment_t *segs, int nseg, int error) 134765793Smsmith{ 134883114Sscottl struct aac_softc *sc; 134965793Smsmith 135083114Sscottl debug_called(1); 135165793Smsmith 135283114Sscottl sc = (struct aac_softc *)arg; 135383114Sscottl 135483114Sscottl sc->aac_common_busaddr = segs[0].ds_addr; 135565793Smsmith} 135665793Smsmith 135765793Smsmithstatic int 135890275Sscottlaac_check_firmware(struct aac_softc *sc) 135990275Sscottl{ 1360112679Sscottl u_int32_t major, minor, options; 136190275Sscottl 136290275Sscottl debug_called(1); 136390275Sscottl 1364112679Sscottl /* 1365112679Sscottl * Retrieve the firmware version numbers. Dell PERC2/QC cards with 1366112679Sscottl * firmware version 1.x are not compatible with this driver. 1367112679Sscottl */ 1368112679Sscottl if (sc->flags & AAC_FLAGS_PERC2QC) { 136990275Sscottl if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0, 137090275Sscottl NULL)) { 137190275Sscottl device_printf(sc->aac_dev, 137290275Sscottl "Error reading firmware version\n"); 137390275Sscottl return (EIO); 137490275Sscottl } 137590275Sscottl 137690275Sscottl /* These numbers are stored as ASCII! */ 1377112679Sscottl major = (AAC_GET_MAILBOX(sc, 1) & 0xff) - 0x30; 1378112679Sscottl minor = (AAC_GET_MAILBOX(sc, 2) & 0xff) - 0x30; 137990275Sscottl if (major == 1) { 138090275Sscottl device_printf(sc->aac_dev, 138190275Sscottl "Firmware version %d.%d is not supported.\n", 138290275Sscottl major, minor); 138390275Sscottl return (EINVAL); 138490275Sscottl } 138590275Sscottl } 138690275Sscottl 1387112679Sscottl /* 1388112679Sscottl * Retrieve the capabilities/supported options word so we know what 1389112679Sscottl * work-arounds to enable. 1390112679Sscottl */ 1391112679Sscottl if (aac_sync_command(sc, AAC_MONKER_GETINFO, 0, 0, 0, 0, NULL)) { 1392112679Sscottl device_printf(sc->aac_dev, "RequestAdapterInfo failed\n"); 1393112679Sscottl return (EIO); 1394112679Sscottl } 1395112679Sscottl options = AAC_GET_MAILBOX(sc, 1); 1396112679Sscottl sc->supported_options = options; 1397112679Sscottl 1398112679Sscottl if ((options & AAC_SUPPORTED_4GB_WINDOW) != 0 && 1399112679Sscottl (sc->flags & AAC_FLAGS_NO4GB) == 0) 1400112679Sscottl sc->flags |= AAC_FLAGS_4GB_WINDOW; 1401112679Sscottl if (options & AAC_SUPPORTED_NONDASD) 1402112679Sscottl sc->flags |= AAC_FLAGS_ENABLE_CAM; 1403117363Sscottl if ((options & AAC_SUPPORTED_SGMAP_HOST64) != 0 1404117363Sscottl && (sizeof(bus_addr_t) > 4)) { 1405112679Sscottl device_printf(sc->aac_dev, "Enabling 64-bit address support\n"); 1406112679Sscottl sc->flags |= AAC_FLAGS_SG_64BIT; 1407112679Sscottl } 1408112679Sscottl 1409112679Sscottl /* Check for broken hardware that does a lower number of commands */ 1410112679Sscottl if ((sc->flags & AAC_FLAGS_256FIBS) == 0) 1411112679Sscottl sc->aac_max_fibs = AAC_MAX_FIBS; 1412112679Sscottl else 1413112679Sscottl sc->aac_max_fibs = 256; 1414112679Sscottl 141590275Sscottl return (0); 141690275Sscottl} 141790275Sscottl 141890275Sscottlstatic int 141965793Smsmithaac_init(struct aac_softc *sc) 142065793Smsmith{ 142183114Sscottl struct aac_adapter_init *ip; 142283114Sscottl time_t then; 1423119146Sscottl u_int32_t code, qoffset; 1424112679Sscottl int error; 142565793Smsmith 142683114Sscottl debug_called(1); 142765793Smsmith 142883114Sscottl /* 142983114Sscottl * First wait for the adapter to come ready. 143083114Sscottl */ 143183114Sscottl then = time_second; 143283114Sscottl do { 143383114Sscottl code = AAC_GET_FWSTATUS(sc); 143483114Sscottl if (code & AAC_SELF_TEST_FAILED) { 143583114Sscottl device_printf(sc->aac_dev, "FATAL: selftest failed\n"); 143683114Sscottl return(ENXIO); 143783114Sscottl } 143883114Sscottl if (code & AAC_KERNEL_PANIC) { 143983114Sscottl device_printf(sc->aac_dev, 144083114Sscottl "FATAL: controller kernel panic\n"); 144183114Sscottl return(ENXIO); 144283114Sscottl } 144383114Sscottl if (time_second > (then + AAC_BOOT_TIMEOUT)) { 144483114Sscottl device_printf(sc->aac_dev, 144583114Sscottl "FATAL: controller not coming ready, " 144683114Sscottl "status %x\n", code); 144783114Sscottl return(ENXIO); 144883114Sscottl } 144983114Sscottl } while (!(code & AAC_UP_AND_RUNNING)); 145083114Sscottl 1451112679Sscottl error = ENOMEM; 145283114Sscottl /* 1453112679Sscottl * Create DMA tag for mapping buffers into controller-addressable space. 1454112679Sscottl */ 1455112679Sscottl if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 1456112679Sscottl 1, 0, /* algnmnt, boundary */ 1457112679Sscottl (sc->flags & AAC_FLAGS_SG_64BIT) ? 1458112679Sscottl BUS_SPACE_MAXADDR : 1459112679Sscottl BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 1460112679Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 1461112679Sscottl NULL, NULL, /* filter, filterarg */ 1462112679Sscottl MAXBSIZE, /* maxsize */ 1463112679Sscottl AAC_MAXSGENTRIES, /* nsegments */ 1464112679Sscottl MAXBSIZE, /* maxsegsize */ 1465112679Sscottl BUS_DMA_ALLOCNOW, /* flags */ 1466117126Sscottl busdma_lock_mutex, /* lockfunc */ 1467117126Sscottl &sc->aac_io_lock, /* lockfuncarg */ 1468112679Sscottl &sc->aac_buffer_dmat)) { 1469112679Sscottl device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n"); 1470112679Sscottl goto out; 1471112679Sscottl } 1472112679Sscottl 1473112679Sscottl /* 1474112679Sscottl * Create DMA tag for mapping FIBs into controller-addressable space.. 1475112679Sscottl */ 1476112679Sscottl if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 1477112679Sscottl 1, 0, /* algnmnt, boundary */ 1478112679Sscottl (sc->flags & AAC_FLAGS_4GB_WINDOW) ? 1479112679Sscottl BUS_SPACE_MAXADDR_32BIT : 1480112679Sscottl 0x7fffffff, /* lowaddr */ 1481112679Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 1482112679Sscottl NULL, NULL, /* filter, filterarg */ 1483112679Sscottl AAC_FIB_COUNT * 1484112679Sscottl sizeof(struct aac_fib), /* maxsize */ 1485112679Sscottl 1, /* nsegments */ 1486112679Sscottl AAC_FIB_COUNT * 1487112679Sscottl sizeof(struct aac_fib), /* maxsegsize */ 1488112679Sscottl BUS_DMA_ALLOCNOW, /* flags */ 1489117126Sscottl NULL, NULL, /* No locking needed */ 1490112679Sscottl &sc->aac_fib_dmat)) { 1491112679Sscottl device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");; 1492112679Sscottl goto out; 1493112679Sscottl } 1494112679Sscottl 1495112679Sscottl /* 149683114Sscottl * Create DMA tag for the common structure and allocate it. 149783114Sscottl */ 149883114Sscottl if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 149995536Sscottl 1, 0, /* algnmnt, boundary */ 1500112679Sscottl (sc->flags & AAC_FLAGS_4GB_WINDOW) ? 1501112679Sscottl BUS_SPACE_MAXADDR_32BIT : 1502112679Sscottl 0x7fffffff, /* lowaddr */ 150383114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 150483114Sscottl NULL, NULL, /* filter, filterarg */ 1505110604Sscottl 8192 + sizeof(struct aac_common), /* maxsize */ 150683114Sscottl 1, /* nsegments */ 150783114Sscottl BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 1508112679Sscottl BUS_DMA_ALLOCNOW, /* flags */ 1509117126Sscottl NULL, NULL, /* No locking needed */ 151083114Sscottl &sc->aac_common_dmat)) { 151183114Sscottl device_printf(sc->aac_dev, 151283114Sscottl "can't allocate common structure DMA tag\n"); 1513112679Sscottl goto out; 151465793Smsmith } 151583114Sscottl if (bus_dmamem_alloc(sc->aac_common_dmat, (void **)&sc->aac_common, 151683114Sscottl BUS_DMA_NOWAIT, &sc->aac_common_dmamap)) { 151783114Sscottl device_printf(sc->aac_dev, "can't allocate common structure\n"); 1518112679Sscottl goto out; 151965793Smsmith } 1520110604Sscottl 1521110604Sscottl /* 1522110604Sscottl * Work around a bug in the 2120 and 2200 that cannot DMA commands 1523110604Sscottl * below address 8192 in physical memory. 1524110604Sscottl * XXX If the padding is not needed, can it be put to use instead 1525110604Sscottl * of ignored? 1526110604Sscottl */ 1527117363Sscottl (void)bus_dmamap_load(sc->aac_common_dmat, sc->aac_common_dmamap, 1528110604Sscottl sc->aac_common, 8192 + sizeof(*sc->aac_common), 1529110604Sscottl aac_common_map, sc, 0); 1530110604Sscottl 1531110604Sscottl if (sc->aac_common_busaddr < 8192) { 1532132771Skan sc->aac_common = (struct aac_common *) 1533132771Skan ((uint8_t *)sc->aac_common + 8192); 1534110604Sscottl sc->aac_common_busaddr += 8192; 1535110604Sscottl } 153683114Sscottl bzero(sc->aac_common, sizeof(*sc->aac_common)); 1537110604Sscottl 1538110604Sscottl /* Allocate some FIBs and associated command structs */ 1539110604Sscottl TAILQ_INIT(&sc->aac_fibmap_tqh); 1540110604Sscottl sc->aac_commands = malloc(AAC_MAX_FIBS * sizeof(struct aac_command), 1541111141Sscottl M_AACBUF, M_WAITOK|M_ZERO); 1542111141Sscottl while (sc->total_fibs < AAC_PREALLOCATE_FIBS) { 1543110604Sscottl if (aac_alloc_commands(sc) != 0) 1544110604Sscottl break; 1545110604Sscottl } 1546110604Sscottl if (sc->total_fibs == 0) 1547112679Sscottl goto out; 154883114Sscottl 154983114Sscottl /* 155083114Sscottl * Fill in the init structure. This tells the adapter about the 155183114Sscottl * physical location of various important shared data structures. 155283114Sscottl */ 155383114Sscottl ip = &sc->aac_common->ac_init; 155483114Sscottl ip->InitStructRevision = AAC_INIT_STRUCT_REVISION; 1555109088Sscottl ip->MiniPortRevision = AAC_INIT_STRUCT_MINIPORT_REVISION; 155665793Smsmith 155783114Sscottl ip->AdapterFibsPhysicalAddress = sc->aac_common_busaddr + 155883114Sscottl offsetof(struct aac_common, ac_fibs); 1559114151Sscottl ip->AdapterFibsVirtualAddress = 0; 156083114Sscottl ip->AdapterFibsSize = AAC_ADAPTER_FIBS * sizeof(struct aac_fib); 156183114Sscottl ip->AdapterFibAlign = sizeof(struct aac_fib); 156265793Smsmith 156383114Sscottl ip->PrintfBufferAddress = sc->aac_common_busaddr + 156483114Sscottl offsetof(struct aac_common, ac_printf); 156583114Sscottl ip->PrintfBufferSize = AAC_PRINTF_BUFSIZE; 156665793Smsmith 1567117361Sscottl /* 1568117361Sscottl * The adapter assumes that pages are 4K in size, except on some 1569117361Sscottl * broken firmware versions that do the page->byte conversion twice, 1570117361Sscottl * therefore 'assuming' that this value is in 16MB units (2^24). 1571117361Sscottl * Round up since the granularity is so high. 1572117361Sscottl */ 1573109088Sscottl ip->HostPhysMemPages = ctob(physmem) / AAC_PAGE_SIZE; 1574117361Sscottl if (sc->flags & AAC_FLAGS_BROKEN_MEMMAP) { 1575117361Sscottl ip->HostPhysMemPages = 1576117361Sscottl (ip->HostPhysMemPages + AAC_PAGE_SIZE) / AAC_PAGE_SIZE; 1577117362Sscottl } 157883114Sscottl ip->HostElapsedSeconds = time_second; /* reset later if invalid */ 157965793Smsmith 158083114Sscottl /* 158183114Sscottl * Initialise FIB queues. Note that it appears that the layout of the 158283114Sscottl * indexes and the segmentation of the entries may be mandated by the 158383114Sscottl * adapter, which is only told about the base of the queue index fields. 158483114Sscottl * 158583114Sscottl * The initial values of the indices are assumed to inform the adapter 158683114Sscottl * of the sizes of the respective queues, and theoretically it could 158783114Sscottl * work out the entire layout of the queue structures from this. We 158883114Sscottl * take the easy route and just lay this area out like everyone else 158983114Sscottl * does. 159083114Sscottl * 159183114Sscottl * The Linux driver uses a much more complex scheme whereby several 159283114Sscottl * header records are kept for each queue. We use a couple of generic 159383114Sscottl * list manipulation functions which 'know' the size of each list by 159483114Sscottl * virtue of a table. 159583114Sscottl */ 1596119146Sscottl qoffset = offsetof(struct aac_common, ac_qbuf) + AAC_QUEUE_ALIGN; 1597119625Sscottl qoffset &= ~(AAC_QUEUE_ALIGN - 1); 1598119625Sscottl sc->aac_queues = 1599119625Sscottl (struct aac_queue_table *)((uintptr_t)sc->aac_common + qoffset); 1600119146Sscottl ip->CommHeaderAddress = sc->aac_common_busaddr + qoffset; 160165793Smsmith 160283114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] = 160381082Sscottl AAC_HOST_NORM_CMD_ENTRIES; 160483114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] = 160581082Sscottl AAC_HOST_NORM_CMD_ENTRIES; 160683114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] = 160781082Sscottl AAC_HOST_HIGH_CMD_ENTRIES; 160883114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] = 160981082Sscottl AAC_HOST_HIGH_CMD_ENTRIES; 161083114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] = 161181082Sscottl AAC_ADAP_NORM_CMD_ENTRIES; 161283114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] = 161381082Sscottl AAC_ADAP_NORM_CMD_ENTRIES; 161483114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] = 161581082Sscottl AAC_ADAP_HIGH_CMD_ENTRIES; 161683114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] = 161781082Sscottl AAC_ADAP_HIGH_CMD_ENTRIES; 161883114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]= 161981082Sscottl AAC_HOST_NORM_RESP_ENTRIES; 162083114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]= 162181082Sscottl AAC_HOST_NORM_RESP_ENTRIES; 162283114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]= 162381082Sscottl AAC_HOST_HIGH_RESP_ENTRIES; 162483114Sscottl sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]= 162581082Sscottl AAC_HOST_HIGH_RESP_ENTRIES; 162683114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]= 162781082Sscottl AAC_ADAP_NORM_RESP_ENTRIES; 162883114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]= 162981082Sscottl AAC_ADAP_NORM_RESP_ENTRIES; 163083114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]= 163181082Sscottl AAC_ADAP_HIGH_RESP_ENTRIES; 163283114Sscottl sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]= 163381082Sscottl AAC_ADAP_HIGH_RESP_ENTRIES; 163483114Sscottl sc->aac_qentries[AAC_HOST_NORM_CMD_QUEUE] = 163581082Sscottl &sc->aac_queues->qt_HostNormCmdQueue[0]; 163683114Sscottl sc->aac_qentries[AAC_HOST_HIGH_CMD_QUEUE] = 163781082Sscottl &sc->aac_queues->qt_HostHighCmdQueue[0]; 163883114Sscottl sc->aac_qentries[AAC_ADAP_NORM_CMD_QUEUE] = 163981082Sscottl &sc->aac_queues->qt_AdapNormCmdQueue[0]; 164083114Sscottl sc->aac_qentries[AAC_ADAP_HIGH_CMD_QUEUE] = 164181082Sscottl &sc->aac_queues->qt_AdapHighCmdQueue[0]; 164283114Sscottl sc->aac_qentries[AAC_HOST_NORM_RESP_QUEUE] = 164381082Sscottl &sc->aac_queues->qt_HostNormRespQueue[0]; 164483114Sscottl sc->aac_qentries[AAC_HOST_HIGH_RESP_QUEUE] = 164581082Sscottl &sc->aac_queues->qt_HostHighRespQueue[0]; 164683114Sscottl sc->aac_qentries[AAC_ADAP_NORM_RESP_QUEUE] = 164781082Sscottl &sc->aac_queues->qt_AdapNormRespQueue[0]; 164883114Sscottl sc->aac_qentries[AAC_ADAP_HIGH_RESP_QUEUE] = 164981082Sscottl &sc->aac_queues->qt_AdapHighRespQueue[0]; 165065793Smsmith 165183114Sscottl /* 165283114Sscottl * Do controller-type-specific initialisation 165383114Sscottl */ 165483114Sscottl switch (sc->aac_hwif) { 165583114Sscottl case AAC_HWIF_I960RX: 165683114Sscottl AAC_SETREG4(sc, AAC_RX_ODBR, ~0); 165783114Sscottl break; 1658133606Sscottl case AAC_HWIF_RKT: 1659133606Sscottl AAC_SETREG4(sc, AAC_RKT_ODBR, ~0); 1660133606Sscottl break; 1661133606Sscottl default: 1662133606Sscottl break; 166383114Sscottl } 166465793Smsmith 166583114Sscottl /* 166683114Sscottl * Give the init structure to the controller. 166783114Sscottl */ 166883114Sscottl if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT, 166983114Sscottl sc->aac_common_busaddr + 167083114Sscottl offsetof(struct aac_common, ac_init), 0, 0, 0, 167183114Sscottl NULL)) { 167283114Sscottl device_printf(sc->aac_dev, 167383114Sscottl "error establishing init structure\n"); 1674112679Sscottl error = EIO; 1675112679Sscottl goto out; 167683114Sscottl } 167765793Smsmith 1678112679Sscottl error = 0; 1679112679Sscottlout: 1680112679Sscottl return(error); 168165793Smsmith} 168265793Smsmith 168383114Sscottl/* 168465793Smsmith * Send a synchronous command to the controller and wait for a result. 168565793Smsmith */ 168665793Smsmithstatic int 168765793Smsmithaac_sync_command(struct aac_softc *sc, u_int32_t command, 168870393Smsmith u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3, 168970393Smsmith u_int32_t *sp) 169065793Smsmith{ 169183114Sscottl time_t then; 169283114Sscottl u_int32_t status; 169365793Smsmith 169483114Sscottl debug_called(3); 169565793Smsmith 169683114Sscottl /* populate the mailbox */ 169783114Sscottl AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3); 169865793Smsmith 169983114Sscottl /* ensure the sync command doorbell flag is cleared */ 170083114Sscottl AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND); 170165793Smsmith 170283114Sscottl /* then set it to signal the adapter */ 170383114Sscottl AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND); 170465793Smsmith 170583114Sscottl /* spin waiting for the command to complete */ 170683114Sscottl then = time_second; 170783114Sscottl do { 170883114Sscottl if (time_second > (then + AAC_IMMEDIATE_TIMEOUT)) { 1709112679Sscottl debug(1, "timed out"); 171083114Sscottl return(EIO); 171183114Sscottl } 171283114Sscottl } while (!(AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND)); 171365793Smsmith 171483114Sscottl /* clear the completion flag */ 171583114Sscottl AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND); 171665793Smsmith 171783114Sscottl /* get the command status */ 1718112679Sscottl status = AAC_GET_MAILBOX(sc, 0); 171983114Sscottl if (sp != NULL) 172083114Sscottl *sp = status; 172183114Sscottl return(0); 172265793Smsmith} 172365793Smsmith 172495350Sscottlint 172565793Smsmithaac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate, 172695350Sscottl struct aac_fib *fib, u_int16_t datasize) 172765793Smsmith{ 172883114Sscottl debug_called(3); 172965793Smsmith 173083114Sscottl if (datasize > AAC_FIB_DATASIZE) 173183114Sscottl return(EINVAL); 173265793Smsmith 173383114Sscottl /* 173483114Sscottl * Set up the sync FIB 173583114Sscottl */ 173683114Sscottl fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED | 173783114Sscottl AAC_FIBSTATE_INITIALISED | 173883114Sscottl AAC_FIBSTATE_EMPTY; 173983114Sscottl fib->Header.XferState |= xferstate; 174083114Sscottl fib->Header.Command = command; 174183114Sscottl fib->Header.StructType = AAC_FIBTYPE_TFIB; 174283114Sscottl fib->Header.Size = sizeof(struct aac_fib) + datasize; 174383114Sscottl fib->Header.SenderSize = sizeof(struct aac_fib); 1744119146Sscottl fib->Header.SenderFibAddress = 0; /* Not needed */ 174583114Sscottl fib->Header.ReceiverFibAddress = sc->aac_common_busaddr + 174683114Sscottl offsetof(struct aac_common, 174783114Sscottl ac_sync_fib); 174865793Smsmith 174983114Sscottl /* 175083114Sscottl * Give the FIB to the controller, wait for a response. 175183114Sscottl */ 175283114Sscottl if (aac_sync_command(sc, AAC_MONKER_SYNCFIB, 175383114Sscottl fib->Header.ReceiverFibAddress, 0, 0, 0, NULL)) { 175483114Sscottl debug(2, "IO error"); 175583114Sscottl return(EIO); 175683114Sscottl } 175781151Sscottl 175895350Sscottl return (0); 175965793Smsmith} 176065793Smsmith 176183114Sscottl/* 176265793Smsmith * Adapter-space FIB queue manipulation 176365793Smsmith * 176465793Smsmith * Note that the queue implementation here is a little funky; neither the PI or 176565793Smsmith * CI will ever be zero. This behaviour is a controller feature. 176665793Smsmith */ 176765793Smsmithstatic struct { 176883114Sscottl int size; 176983114Sscottl int notify; 177065793Smsmith} aac_qinfo[] = { 177183114Sscottl {AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL}, 177283114Sscottl {AAC_HOST_HIGH_CMD_ENTRIES, 0}, 177383114Sscottl {AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY}, 177483114Sscottl {AAC_ADAP_HIGH_CMD_ENTRIES, 0}, 177583114Sscottl {AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL}, 177683114Sscottl {AAC_HOST_HIGH_RESP_ENTRIES, 0}, 177783114Sscottl {AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY}, 177883114Sscottl {AAC_ADAP_HIGH_RESP_ENTRIES, 0} 177965793Smsmith}; 178065793Smsmith 178165793Smsmith/* 178281082Sscottl * Atomically insert an entry into the nominated queue, returns 0 on success or 178381082Sscottl * EBUSY if the queue is full. 178465793Smsmith * 178570393Smsmith * Note: it would be more efficient to defer notifying the controller in 178683114Sscottl * the case where we may be inserting several entries in rapid succession, 178783114Sscottl * but implementing this usefully may be difficult (it would involve a 178883114Sscottl * separate queue/notify interface). 178965793Smsmith */ 179065793Smsmithstatic int 179181151Sscottlaac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_command *cm) 179265793Smsmith{ 179383114Sscottl u_int32_t pi, ci; 1794111691Sscottl int error; 179583114Sscottl u_int32_t fib_size; 179683114Sscottl u_int32_t fib_addr; 179765793Smsmith 179883114Sscottl debug_called(3); 179982527Sscottl 180083114Sscottl fib_size = cm->cm_fib->Header.Size; 180183114Sscottl fib_addr = cm->cm_fib->Header.ReceiverFibAddress; 180281151Sscottl 180383114Sscottl /* get the producer/consumer indices */ 180483114Sscottl pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]; 180583114Sscottl ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]; 180665793Smsmith 180783114Sscottl /* wrap the queue? */ 180883114Sscottl if (pi >= aac_qinfo[queue].size) 180983114Sscottl pi = 0; 181065793Smsmith 181183114Sscottl /* check for queue full */ 181283114Sscottl if ((pi + 1) == ci) { 181383114Sscottl error = EBUSY; 181483114Sscottl goto out; 181583114Sscottl } 181665793Smsmith 1817129946Sscottl /* 1818129946Sscottl * To avoid a race with its completion interrupt, place this command on 1819129946Sscottl * the busy queue prior to advertising it to the controller. 1820129946Sscottl */ 1821129946Sscottl aac_enqueue_busy(cm); 1822129946Sscottl 182383114Sscottl /* populate queue entry */ 182483114Sscottl (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size; 182583114Sscottl (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr; 182665793Smsmith 182783114Sscottl /* update producer index */ 182883114Sscottl sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1; 182965793Smsmith 183083114Sscottl /* notify the adapter if we know how */ 183183114Sscottl if (aac_qinfo[queue].notify != 0) 183283114Sscottl AAC_QNOTIFY(sc, aac_qinfo[queue].notify); 183365793Smsmith 183483114Sscottl error = 0; 183565793Smsmith 183665793Smsmithout: 183783114Sscottl return(error); 183865793Smsmith} 183965793Smsmith 184065793Smsmith/* 184182527Sscottl * Atomically remove one entry from the nominated queue, returns 0 on 184282527Sscottl * success or ENOENT if the queue is empty. 184365793Smsmith */ 184465793Smsmithstatic int 184581082Sscottlaac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size, 184681082Sscottl struct aac_fib **fib_addr) 184765793Smsmith{ 184883114Sscottl u_int32_t pi, ci; 1849114151Sscottl u_int32_t fib_index; 1850111691Sscottl int error; 185183114Sscottl int notify; 185265793Smsmith 185383114Sscottl debug_called(3); 185465793Smsmith 185583114Sscottl /* get the producer/consumer indices */ 185683114Sscottl pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]; 185783114Sscottl ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]; 185865793Smsmith 185983114Sscottl /* check for queue empty */ 186083114Sscottl if (ci == pi) { 186183114Sscottl error = ENOENT; 186283114Sscottl goto out; 186383114Sscottl } 1864120129Sscottl 1865120129Sscottl /* wrap the pi so the following test works */ 1866120129Sscottl if (pi >= aac_qinfo[queue].size) 1867120129Sscottl pi = 0; 1868120129Sscottl 186983114Sscottl notify = 0; 187083114Sscottl if (ci == pi + 1) 187183114Sscottl notify++; 187281151Sscottl 187383114Sscottl /* wrap the queue? */ 187483114Sscottl if (ci >= aac_qinfo[queue].size) 187583114Sscottl ci = 0; 187665793Smsmith 187783114Sscottl /* fetch the entry */ 187883114Sscottl *fib_size = (sc->aac_qentries[queue] + ci)->aq_fib_size; 187965793Smsmith 1880114151Sscottl switch (queue) { 1881114151Sscottl case AAC_HOST_NORM_CMD_QUEUE: 1882114151Sscottl case AAC_HOST_HIGH_CMD_QUEUE: 1883114151Sscottl /* 1884114151Sscottl * The aq_fib_addr is only 32 bits wide so it can't be counted 1885114151Sscottl * on to hold an address. For AIF's, the adapter assumes 1886114151Sscottl * that it's giving us an address into the array of AIF fibs. 1887114151Sscottl * Therefore, we have to convert it to an index. 1888114151Sscottl */ 1889114151Sscottl fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr / 1890114151Sscottl sizeof(struct aac_fib); 1891114151Sscottl *fib_addr = &sc->aac_common->ac_fibs[fib_index]; 1892114151Sscottl break; 1893114151Sscottl 1894114151Sscottl case AAC_HOST_NORM_RESP_QUEUE: 1895114151Sscottl case AAC_HOST_HIGH_RESP_QUEUE: 1896114151Sscottl { 1897114151Sscottl struct aac_command *cm; 1898114151Sscottl 1899114151Sscottl /* 1900114151Sscottl * As above, an index is used instead of an actual address. 1901114151Sscottl * Gotta shift the index to account for the fast response 1902114151Sscottl * bit. No other correction is needed since this value was 1903114151Sscottl * originally provided by the driver via the SenderFibAddress 1904114151Sscottl * field. 1905114151Sscottl */ 1906114151Sscottl fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr; 1907114151Sscottl cm = sc->aac_commands + (fib_index >> 1); 1908114151Sscottl *fib_addr = cm->cm_fib; 1909114151Sscottl 1910114151Sscottl /* 1911114151Sscottl * Is this a fast response? If it is, update the fib fields in 1912114151Sscottl * local memory since the whole fib isn't DMA'd back up. 1913114151Sscottl */ 1914114151Sscottl if (fib_index & 0x01) { 1915114151Sscottl (*fib_addr)->Header.XferState |= AAC_FIBSTATE_DONEADAP; 1916114151Sscottl *((u_int32_t*)((*fib_addr)->data)) = AAC_ERROR_NORMAL; 1917114151Sscottl } 1918114151Sscottl break; 1919109088Sscottl } 1920114151Sscottl default: 1921114151Sscottl panic("Invalid queue in aac_dequeue_fib()"); 1922114151Sscottl break; 1923114151Sscottl } 1924114151Sscottl 192583114Sscottl /* update consumer index */ 192683114Sscottl sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1; 192765793Smsmith 192883114Sscottl /* if we have made the queue un-full, notify the adapter */ 192983114Sscottl if (notify && (aac_qinfo[queue].notify != 0)) 193083114Sscottl AAC_QNOTIFY(sc, aac_qinfo[queue].notify); 193183114Sscottl error = 0; 193265793Smsmith 193365793Smsmithout: 193483114Sscottl return(error); 193565793Smsmith} 193665793Smsmith 193783114Sscottl/* 193882527Sscottl * Put our response to an Adapter Initialed Fib on the response queue 193982527Sscottl */ 194082527Sscottlstatic int 194182527Sscottlaac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib) 194282527Sscottl{ 194383114Sscottl u_int32_t pi, ci; 1944111691Sscottl int error; 194583114Sscottl u_int32_t fib_size; 194683114Sscottl u_int32_t fib_addr; 194782527Sscottl 194883114Sscottl debug_called(1); 194982527Sscottl 195083114Sscottl /* Tell the adapter where the FIB is */ 195183114Sscottl fib_size = fib->Header.Size; 195283114Sscottl fib_addr = fib->Header.SenderFibAddress; 195383114Sscottl fib->Header.ReceiverFibAddress = fib_addr; 195482527Sscottl 195583114Sscottl /* get the producer/consumer indices */ 195683114Sscottl pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]; 195783114Sscottl ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]; 195882527Sscottl 195983114Sscottl /* wrap the queue? */ 196083114Sscottl if (pi >= aac_qinfo[queue].size) 196183114Sscottl pi = 0; 196282527Sscottl 196383114Sscottl /* check for queue full */ 196483114Sscottl if ((pi + 1) == ci) { 196583114Sscottl error = EBUSY; 196683114Sscottl goto out; 196783114Sscottl } 196882527Sscottl 196983114Sscottl /* populate queue entry */ 197083114Sscottl (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size; 197183114Sscottl (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr; 197282527Sscottl 197383114Sscottl /* update producer index */ 197483114Sscottl sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1; 197582527Sscottl 197683114Sscottl /* notify the adapter if we know how */ 197783114Sscottl if (aac_qinfo[queue].notify != 0) 197883114Sscottl AAC_QNOTIFY(sc, aac_qinfo[queue].notify); 197982527Sscottl 198083114Sscottl error = 0; 198182527Sscottl 198282527Sscottlout: 198383114Sscottl return(error); 198482527Sscottl} 198582527Sscottl 198683114Sscottl/* 198770393Smsmith * Check for commands that have been outstanding for a suspiciously long time, 198870393Smsmith * and complain about them. 198970393Smsmith */ 199070393Smsmithstatic void 199170393Smsmithaac_timeout(struct aac_softc *sc) 199270393Smsmith{ 199383114Sscottl struct aac_command *cm; 199483114Sscottl time_t deadline; 1995135289Sscottl int timedout, code; 199670393Smsmith 199783114Sscottl /* 1998110426Sscottl * Traverse the busy command list, bitch about late commands once 199983114Sscottl * only. 200083114Sscottl */ 2001135289Sscottl timedout = 0; 200283114Sscottl deadline = time_second - AAC_CMD_TIMEOUT; 200383114Sscottl TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) { 200483114Sscottl if ((cm->cm_timestamp < deadline) 200583114Sscottl /* && !(cm->cm_flags & AAC_CMD_TIMEDOUT) */) { 200683114Sscottl cm->cm_flags |= AAC_CMD_TIMEDOUT; 200783114Sscottl device_printf(sc->aac_dev, 200883114Sscottl "COMMAND %p TIMEOUT AFTER %d SECONDS\n", 200983114Sscottl cm, (int)(time_second-cm->cm_timestamp)); 201083114Sscottl AAC_PRINT_FIB(sc, cm->cm_fib); 2011135289Sscottl timedout++; 201283114Sscottl } 201370393Smsmith } 201470393Smsmith 2015135289Sscottl if (timedout) { 2016135289Sscottl code = AAC_GET_FWSTATUS(sc); 2017135289Sscottl if (code != AAC_UP_AND_RUNNING) { 2018135289Sscottl device_printf(sc->aac_dev, "WARNING! Controller is no " 2019135289Sscottl "longer running! code= 0x%x\n", code); 2020135289Sscottl } 2021135289Sscottl } 202283114Sscottl return; 202370393Smsmith} 202470393Smsmith 202583114Sscottl/* 202683114Sscottl * Interface Function Vectors 202783114Sscottl */ 202865793Smsmith 202983114Sscottl/* 203065793Smsmith * Read the current firmware status word. 203165793Smsmith */ 203265793Smsmithstatic int 203365793Smsmithaac_sa_get_fwstatus(struct aac_softc *sc) 203465793Smsmith{ 203583114Sscottl debug_called(3); 203665793Smsmith 203783114Sscottl return(AAC_GETREG4(sc, AAC_SA_FWSTATUS)); 203865793Smsmith} 203965793Smsmith 204065793Smsmithstatic int 204165793Smsmithaac_rx_get_fwstatus(struct aac_softc *sc) 204265793Smsmith{ 204383114Sscottl debug_called(3); 204465793Smsmith 204583114Sscottl return(AAC_GETREG4(sc, AAC_RX_FWSTATUS)); 204665793Smsmith} 204765793Smsmith 204887183Sscottlstatic int 204987183Sscottlaac_fa_get_fwstatus(struct aac_softc *sc) 205087183Sscottl{ 205187183Sscottl int val; 205287183Sscottl 205387183Sscottl debug_called(3); 205487183Sscottl 205587183Sscottl val = AAC_GETREG4(sc, AAC_FA_FWSTATUS); 205687183Sscottl return (val); 205787183Sscottl} 205887183Sscottl 2059133606Sscottlstatic int 2060133606Sscottlaac_rkt_get_fwstatus(struct aac_softc *sc) 2061133606Sscottl{ 2062133606Sscottl debug_called(3); 2063133606Sscottl 2064133606Sscottl return(AAC_GETREG4(sc, AAC_RKT_FWSTATUS)); 2065133606Sscottl} 2066133606Sscottl 206783114Sscottl/* 206865793Smsmith * Notify the controller of a change in a given queue 206965793Smsmith */ 207065793Smsmith 207165793Smsmithstatic void 207265793Smsmithaac_sa_qnotify(struct aac_softc *sc, int qbit) 207365793Smsmith{ 207483114Sscottl debug_called(3); 207565793Smsmith 207683114Sscottl AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit); 207765793Smsmith} 207865793Smsmith 207965793Smsmithstatic void 208065793Smsmithaac_rx_qnotify(struct aac_softc *sc, int qbit) 208165793Smsmith{ 208283114Sscottl debug_called(3); 208365793Smsmith 208483114Sscottl AAC_SETREG4(sc, AAC_RX_IDBR, qbit); 208565793Smsmith} 208665793Smsmith 208787183Sscottlstatic void 208887183Sscottlaac_fa_qnotify(struct aac_softc *sc, int qbit) 208987183Sscottl{ 209087183Sscottl debug_called(3); 209187183Sscottl 209287183Sscottl AAC_SETREG2(sc, AAC_FA_DOORBELL1, qbit); 209387183Sscottl AAC_FA_HACK(sc); 209487183Sscottl} 209587183Sscottl 2096133606Sscottlstatic void 2097133606Sscottlaac_rkt_qnotify(struct aac_softc *sc, int qbit) 2098133606Sscottl{ 2099133606Sscottl debug_called(3); 2100133606Sscottl 2101133606Sscottl AAC_SETREG4(sc, AAC_RKT_IDBR, qbit); 2102133606Sscottl} 2103133606Sscottl 210483114Sscottl/* 210565793Smsmith * Get the interrupt reason bits 210665793Smsmith */ 210765793Smsmithstatic int 210865793Smsmithaac_sa_get_istatus(struct aac_softc *sc) 210965793Smsmith{ 211083114Sscottl debug_called(3); 211165793Smsmith 211283114Sscottl return(AAC_GETREG2(sc, AAC_SA_DOORBELL0)); 211365793Smsmith} 211465793Smsmith 211565793Smsmithstatic int 211665793Smsmithaac_rx_get_istatus(struct aac_softc *sc) 211765793Smsmith{ 211883114Sscottl debug_called(3); 211965793Smsmith 212083114Sscottl return(AAC_GETREG4(sc, AAC_RX_ODBR)); 212165793Smsmith} 212265793Smsmith 212387183Sscottlstatic int 212487183Sscottlaac_fa_get_istatus(struct aac_softc *sc) 212587183Sscottl{ 212687183Sscottl int val; 212787183Sscottl 212887183Sscottl debug_called(3); 212987183Sscottl 213087183Sscottl val = AAC_GETREG2(sc, AAC_FA_DOORBELL0); 213187183Sscottl return (val); 213287183Sscottl} 213387183Sscottl 2134133606Sscottlstatic int 2135133606Sscottlaac_rkt_get_istatus(struct aac_softc *sc) 2136133606Sscottl{ 2137133606Sscottl debug_called(3); 2138133606Sscottl 2139133606Sscottl return(AAC_GETREG4(sc, AAC_RKT_ODBR)); 2140133606Sscottl} 2141133606Sscottl 214283114Sscottl/* 214365793Smsmith * Clear some interrupt reason bits 214465793Smsmith */ 214565793Smsmithstatic void 214665793Smsmithaac_sa_clear_istatus(struct aac_softc *sc, int mask) 214765793Smsmith{ 214883114Sscottl debug_called(3); 214965793Smsmith 215083114Sscottl AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask); 215165793Smsmith} 215265793Smsmith 215365793Smsmithstatic void 215465793Smsmithaac_rx_clear_istatus(struct aac_softc *sc, int mask) 215565793Smsmith{ 215683114Sscottl debug_called(3); 215765793Smsmith 215883114Sscottl AAC_SETREG4(sc, AAC_RX_ODBR, mask); 215965793Smsmith} 216065793Smsmith 216187183Sscottlstatic void 216287183Sscottlaac_fa_clear_istatus(struct aac_softc *sc, int mask) 216387183Sscottl{ 216487183Sscottl debug_called(3); 216587183Sscottl 216687183Sscottl AAC_SETREG2(sc, AAC_FA_DOORBELL0_CLEAR, mask); 216787183Sscottl AAC_FA_HACK(sc); 216887183Sscottl} 216987183Sscottl 2170133606Sscottlstatic void 2171133606Sscottlaac_rkt_clear_istatus(struct aac_softc *sc, int mask) 2172133606Sscottl{ 2173133606Sscottl debug_called(3); 2174133606Sscottl 2175133606Sscottl AAC_SETREG4(sc, AAC_RKT_ODBR, mask); 2176133606Sscottl} 2177133606Sscottl 217883114Sscottl/* 217965793Smsmith * Populate the mailbox and set the command word 218065793Smsmith */ 218165793Smsmithstatic void 218265793Smsmithaac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command, 218365793Smsmith u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 218465793Smsmith{ 218583114Sscottl debug_called(4); 218665793Smsmith 218783114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX, command); 218883114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0); 218983114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1); 219083114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2); 219183114Sscottl AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3); 219265793Smsmith} 219365793Smsmith 219465793Smsmithstatic void 219565793Smsmithaac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command, 219665793Smsmith u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 219765793Smsmith{ 219883114Sscottl debug_called(4); 219965793Smsmith 220083114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX, command); 220183114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0); 220283114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1); 220383114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2); 220483114Sscottl AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3); 220565793Smsmith} 220665793Smsmith 220787183Sscottlstatic void 220887183Sscottlaac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command, 220987183Sscottl u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 221087183Sscottl{ 221187183Sscottl debug_called(4); 221287183Sscottl 221387183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX, command); 221487183Sscottl AAC_FA_HACK(sc); 221587183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX + 4, arg0); 221687183Sscottl AAC_FA_HACK(sc); 221787183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX + 8, arg1); 221887183Sscottl AAC_FA_HACK(sc); 221987183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX + 12, arg2); 222087183Sscottl AAC_FA_HACK(sc); 222187183Sscottl AAC_SETREG4(sc, AAC_FA_MAILBOX + 16, arg3); 222287183Sscottl AAC_FA_HACK(sc); 222387183Sscottl} 222487183Sscottl 2225133606Sscottlstatic void 2226133606Sscottlaac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0, 2227133606Sscottl u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 2228133606Sscottl{ 2229133606Sscottl debug_called(4); 2230133606Sscottl 2231133606Sscottl AAC_SETREG4(sc, AAC_RKT_MAILBOX, command); 2232133606Sscottl AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0); 2233133606Sscottl AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1); 2234133606Sscottl AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2); 2235133606Sscottl AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3); 2236133606Sscottl} 2237133606Sscottl 223883114Sscottl/* 223965793Smsmith * Fetch the immediate command status word 224065793Smsmith */ 224165793Smsmithstatic int 2242112679Sscottlaac_sa_get_mailbox(struct aac_softc *sc, int mb) 224365793Smsmith{ 224483114Sscottl debug_called(4); 224565793Smsmith 2246112679Sscottl return(AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4))); 224765793Smsmith} 224865793Smsmith 224965793Smsmithstatic int 2250112679Sscottlaac_rx_get_mailbox(struct aac_softc *sc, int mb) 225165793Smsmith{ 225283114Sscottl debug_called(4); 225365793Smsmith 2254112679Sscottl return(AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4))); 225565793Smsmith} 225665793Smsmith 225787183Sscottlstatic int 2258112679Sscottlaac_fa_get_mailbox(struct aac_softc *sc, int mb) 225987183Sscottl{ 226087183Sscottl int val; 226187183Sscottl 226287183Sscottl debug_called(4); 226387183Sscottl 2264112679Sscottl val = AAC_GETREG4(sc, AAC_FA_MAILBOX + (mb * 4)); 226587183Sscottl return (val); 226687183Sscottl} 226787183Sscottl 2268133606Sscottlstatic int 2269133606Sscottlaac_rkt_get_mailbox(struct aac_softc *sc, int mb) 2270133606Sscottl{ 2271133606Sscottl debug_called(4); 2272133606Sscottl 2273133606Sscottl return(AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4))); 2274133606Sscottl} 2275133606Sscottl 227683114Sscottl/* 227765793Smsmith * Set/clear interrupt masks 227865793Smsmith */ 227965793Smsmithstatic void 228065793Smsmithaac_sa_set_interrupts(struct aac_softc *sc, int enable) 228165793Smsmith{ 228283114Sscottl debug(2, "%sable interrupts", enable ? "en" : "dis"); 228365793Smsmith 228483114Sscottl if (enable) { 228583114Sscottl AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS); 228683114Sscottl } else { 228783114Sscottl AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0); 228883114Sscottl } 228965793Smsmith} 229065793Smsmith 229165793Smsmithstatic void 229265793Smsmithaac_rx_set_interrupts(struct aac_softc *sc, int enable) 229365793Smsmith{ 229483114Sscottl debug(2, "%sable interrupts", enable ? "en" : "dis"); 229565793Smsmith 229683114Sscottl if (enable) { 229783114Sscottl AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS); 229883114Sscottl } else { 229983114Sscottl AAC_SETREG4(sc, AAC_RX_OIMR, ~0); 230083114Sscottl } 230165793Smsmith} 230265793Smsmith 230387183Sscottlstatic void 230487183Sscottlaac_fa_set_interrupts(struct aac_softc *sc, int enable) 230587183Sscottl{ 230687183Sscottl debug(2, "%sable interrupts", enable ? "en" : "dis"); 230787183Sscottl 230887183Sscottl if (enable) { 230987183Sscottl AAC_SETREG2((sc), AAC_FA_MASK0_CLEAR, AAC_DB_INTERRUPTS); 231087183Sscottl AAC_FA_HACK(sc); 231187183Sscottl } else { 231287183Sscottl AAC_SETREG2((sc), AAC_FA_MASK0, ~0); 231387183Sscottl AAC_FA_HACK(sc); 231487183Sscottl } 231587183Sscottl} 231687183Sscottl 2317133606Sscottlstatic void 2318133606Sscottlaac_rkt_set_interrupts(struct aac_softc *sc, int enable) 2319133606Sscottl{ 2320133606Sscottl debug(2, "%sable interrupts", enable ? "en" : "dis"); 2321133606Sscottl 2322133606Sscottl if (enable) { 2323133606Sscottl AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS); 2324133606Sscottl } else { 2325133606Sscottl AAC_SETREG4(sc, AAC_RKT_OIMR, ~0); 2326133606Sscottl } 2327133606Sscottl} 2328133606Sscottl 232983114Sscottl/* 233083114Sscottl * Debugging and Diagnostics 233183114Sscottl */ 233265793Smsmith 233383114Sscottl/* 233465793Smsmith * Print some information about the controller. 233565793Smsmith */ 233665793Smsmithstatic void 233765793Smsmithaac_describe_controller(struct aac_softc *sc) 233865793Smsmith{ 233995350Sscottl struct aac_fib *fib; 234083114Sscottl struct aac_adapter_info *info; 234165793Smsmith 234283114Sscottl debug_called(2); 234365793Smsmith 2344130006Sscottl aac_alloc_sync_fib(sc, &fib); 234595350Sscottl 234695350Sscottl fib->data[0] = 0; 234795350Sscottl if (aac_sync_fib(sc, RequestAdapterInfo, 0, fib, 1)) { 234883114Sscottl device_printf(sc->aac_dev, "RequestAdapterInfo failed\n"); 234995536Sscottl aac_release_sync_fib(sc); 235083114Sscottl return; 235183114Sscottl } 235265793Smsmith 235383114Sscottl /* save the kernel revision structure for later use */ 2354135095Sscottl info = (struct aac_adapter_info *)&fib->data[0]; 235583114Sscottl sc->aac_revision = info->KernelRevision; 235695536Sscottl 2357135095Sscottl if (bootverbose) { 2358135095Sscottl device_printf(sc->aac_dev, "%s %dMHz, %dMB cache memory, %s\n", 2359135095Sscottl aac_describe_code(aac_cpu_variant, info->CpuVariant), 2360135095Sscottl info->ClockSpeed, info->BufferMem / (1024 * 1024), 2361135095Sscottl aac_describe_code(aac_battery_platform, 2362135095Sscottl info->batteryPlatform)); 2363112679Sscottl 2364135095Sscottl device_printf(sc->aac_dev, 2365135095Sscottl "Kernel %d.%d-%d, Build %d, S/N %6X\n", 2366135095Sscottl info->KernelRevision.external.comp.major, 2367135095Sscottl info->KernelRevision.external.comp.minor, 2368135095Sscottl info->KernelRevision.external.comp.dash, 2369135095Sscottl info->KernelRevision.buildNumber, 2370135095Sscottl (u_int32_t)(info->SerialNumber & 0xffffff)); 2371135095Sscottl 2372112679Sscottl device_printf(sc->aac_dev, "Supported Options=%b\n", 2373112679Sscottl sc->supported_options, 2374112679Sscottl "\20" 2375112679Sscottl "\1SNAPSHOT" 2376112679Sscottl "\2CLUSTERS" 2377112679Sscottl "\3WCACHE" 2378112679Sscottl "\4DATA64" 2379112679Sscottl "\5HOSTTIME" 2380112679Sscottl "\6RAID50" 2381112679Sscottl "\7WINDOW4GB" 2382112679Sscottl "\10SCSIUPGD" 2383112679Sscottl "\11SOFTERR" 2384112679Sscottl "\12NORECOND" 2385112679Sscottl "\13SGMAP64" 2386112679Sscottl "\14ALARM" 2387112679Sscottl "\15NONDASD"); 2388112679Sscottl } 2389135095Sscottl aac_release_sync_fib(sc); 239065793Smsmith} 239165793Smsmith 239283114Sscottl/* 239365793Smsmith * Look up a text description of a numeric error code and return a pointer to 239465793Smsmith * same. 239565793Smsmith */ 239665793Smsmithstatic char * 239765793Smsmithaac_describe_code(struct aac_code_lookup *table, u_int32_t code) 239865793Smsmith{ 239983114Sscottl int i; 240065793Smsmith 240183114Sscottl for (i = 0; table[i].string != NULL; i++) 240283114Sscottl if (table[i].code == code) 240383114Sscottl return(table[i].string); 240483114Sscottl return(table[i + 1].string); 240565793Smsmith} 240665793Smsmith 240783114Sscottl/* 240883114Sscottl * Management Interface 240983114Sscottl */ 241065793Smsmith 241165793Smsmithstatic int 2412130585Sphkaac_open(struct cdev *dev, int flags, int fmt, d_thread_t *td) 241365793Smsmith{ 241483114Sscottl struct aac_softc *sc; 241565793Smsmith 241683114Sscottl debug_called(2); 241765793Smsmith 241883114Sscottl sc = dev->si_drv1; 241965793Smsmith 242083114Sscottl /* Check to make sure the device isn't already open */ 242183114Sscottl if (sc->aac_state & AAC_STATE_OPEN) { 242283114Sscottl return EBUSY; 242383114Sscottl } 242483114Sscottl sc->aac_state |= AAC_STATE_OPEN; 242583114Sscottl 242683114Sscottl return 0; 242765793Smsmith} 242865793Smsmith 242965793Smsmithstatic int 2430130585Sphkaac_close(struct cdev *dev, int flags, int fmt, d_thread_t *td) 243165793Smsmith{ 243283114Sscottl struct aac_softc *sc; 243365793Smsmith 243483114Sscottl debug_called(2); 243565793Smsmith 243683114Sscottl sc = dev->si_drv1; 243765793Smsmith 243883114Sscottl /* Mark this unit as no longer open */ 243983114Sscottl sc->aac_state &= ~AAC_STATE_OPEN; 244083114Sscottl 244183114Sscottl return 0; 244265793Smsmith} 244365793Smsmith 244465793Smsmithstatic int 2445130585Sphkaac_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, d_thread_t *td) 244665793Smsmith{ 244783114Sscottl union aac_statrequest *as; 244883114Sscottl struct aac_softc *sc; 244983114Sscottl int error = 0; 2450119146Sscottl uint32_t cookie; 245165793Smsmith 245283114Sscottl debug_called(2); 245365793Smsmith 245483114Sscottl as = (union aac_statrequest *)arg; 245583114Sscottl sc = dev->si_drv1; 245683114Sscottl 245783114Sscottl switch (cmd) { 245883114Sscottl case AACIO_STATS: 245983114Sscottl switch (as->as_item) { 246083114Sscottl case AACQ_FREE: 246183114Sscottl case AACQ_BIO: 246283114Sscottl case AACQ_READY: 246383114Sscottl case AACQ_BUSY: 246483114Sscottl bcopy(&sc->aac_qstat[as->as_item], &as->as_qstat, 246583114Sscottl sizeof(struct aac_qstat)); 246683114Sscottl break; 246783114Sscottl default: 246883114Sscottl error = ENOENT; 246983114Sscottl break; 247083114Sscottl } 247183114Sscottl break; 247283114Sscottl 247383114Sscottl case FSACTL_SENDFIB: 247483114Sscottl arg = *(caddr_t*)arg; 247583114Sscottl case FSACTL_LNX_SENDFIB: 247683114Sscottl debug(1, "FSACTL_SENDFIB"); 247783114Sscottl error = aac_ioctl_sendfib(sc, arg); 247883114Sscottl break; 247983114Sscottl case FSACTL_AIF_THREAD: 248083114Sscottl case FSACTL_LNX_AIF_THREAD: 248183114Sscottl debug(1, "FSACTL_AIF_THREAD"); 248283114Sscottl error = EINVAL; 248383114Sscottl break; 248483114Sscottl case FSACTL_OPEN_GET_ADAPTER_FIB: 248583114Sscottl arg = *(caddr_t*)arg; 248687183Sscottl case FSACTL_LNX_OPEN_GET_ADAPTER_FIB: 248783114Sscottl debug(1, "FSACTL_OPEN_GET_ADAPTER_FIB"); 248883114Sscottl /* 248983114Sscottl * Pass the caller out an AdapterFibContext. 249083114Sscottl * 249183114Sscottl * Note that because we only support one opener, we 249283114Sscottl * basically ignore this. Set the caller's context to a magic 249383114Sscottl * number just in case. 249483114Sscottl * 249583114Sscottl * The Linux code hands the driver a pointer into kernel space, 249683114Sscottl * and then trusts it when the caller hands it back. Aiee! 249783114Sscottl * Here, we give it the proc pointer of the per-adapter aif 249883114Sscottl * thread. It's only used as a sanity check in other calls. 249983114Sscottl */ 2500119146Sscottl cookie = (uint32_t)(uintptr_t)sc->aifthread; 2501119146Sscottl error = copyout(&cookie, arg, sizeof(cookie)); 250283114Sscottl break; 250383114Sscottl case FSACTL_GET_NEXT_ADAPTER_FIB: 250483114Sscottl arg = *(caddr_t*)arg; 250583114Sscottl case FSACTL_LNX_GET_NEXT_ADAPTER_FIB: 250683114Sscottl debug(1, "FSACTL_GET_NEXT_ADAPTER_FIB"); 250783114Sscottl error = aac_getnext_aif(sc, arg); 250883114Sscottl break; 250983114Sscottl case FSACTL_CLOSE_GET_ADAPTER_FIB: 251083114Sscottl case FSACTL_LNX_CLOSE_GET_ADAPTER_FIB: 251183114Sscottl debug(1, "FSACTL_CLOSE_GET_ADAPTER_FIB"); 251283114Sscottl /* don't do anything here */ 251383114Sscottl break; 251483114Sscottl case FSACTL_MINIPORT_REV_CHECK: 251583114Sscottl arg = *(caddr_t*)arg; 251683114Sscottl case FSACTL_LNX_MINIPORT_REV_CHECK: 251783114Sscottl debug(1, "FSACTL_MINIPORT_REV_CHECK"); 251883114Sscottl error = aac_rev_check(sc, arg); 251983114Sscottl break; 252083114Sscottl case FSACTL_QUERY_DISK: 252183114Sscottl arg = *(caddr_t*)arg; 252283114Sscottl case FSACTL_LNX_QUERY_DISK: 252383114Sscottl debug(1, "FSACTL_QUERY_DISK"); 252483114Sscottl error = aac_query_disk(sc, arg); 252583114Sscottl break; 252683114Sscottl case FSACTL_DELETE_DISK: 252783114Sscottl case FSACTL_LNX_DELETE_DISK: 252883114Sscottl /* 252983114Sscottl * We don't trust the underland to tell us when to delete a 253083114Sscottl * container, rather we rely on an AIF coming from the 253183114Sscottl * controller 253283114Sscottl */ 253383114Sscottl error = 0; 253483114Sscottl break; 253570393Smsmith default: 253687183Sscottl debug(1, "unsupported cmd 0x%lx\n", cmd); 253783114Sscottl error = EINVAL; 253883114Sscottl break; 253970393Smsmith } 254083114Sscottl return(error); 254165793Smsmith} 254265793Smsmith 254387183Sscottlstatic int 2544130585Sphkaac_poll(struct cdev *dev, int poll_events, d_thread_t *td) 254587183Sscottl{ 254687183Sscottl struct aac_softc *sc; 254787183Sscottl int revents; 254887183Sscottl 254987183Sscottl sc = dev->si_drv1; 255087183Sscottl revents = 0; 255187183Sscottl 2552133540Sscottl mtx_lock(&sc->aac_aifq_lock); 255387183Sscottl if ((poll_events & (POLLRDNORM | POLLIN)) != 0) { 255487183Sscottl if (sc->aac_aifq_tail != sc->aac_aifq_head) 255587183Sscottl revents |= poll_events & (POLLIN | POLLRDNORM); 255687183Sscottl } 2557133540Sscottl mtx_unlock(&sc->aac_aifq_lock); 255887183Sscottl 255987183Sscottl if (revents == 0) { 256087183Sscottl if (poll_events & (POLLIN | POLLRDNORM)) 256187183Sscottl selrecord(td, &sc->rcv_select); 256287183Sscottl } 256387183Sscottl 256487183Sscottl return (revents); 256587183Sscottl} 256687183Sscottl 256783114Sscottl/* 256865793Smsmith * Send a FIB supplied from userspace 256965793Smsmith */ 257065793Smsmithstatic int 257165793Smsmithaac_ioctl_sendfib(struct aac_softc *sc, caddr_t ufib) 257265793Smsmith{ 257383114Sscottl struct aac_command *cm; 257483114Sscottl int size, error; 257565793Smsmith 257683114Sscottl debug_called(2); 257765793Smsmith 257883114Sscottl cm = NULL; 257965793Smsmith 258083114Sscottl /* 258183114Sscottl * Get a command 258283114Sscottl */ 2583133540Sscottl mtx_lock(&sc->aac_io_lock); 258483114Sscottl if (aac_alloc_command(sc, &cm)) { 258583114Sscottl error = EBUSY; 258683114Sscottl goto out; 258783114Sscottl } 258865793Smsmith 258983114Sscottl /* 259083114Sscottl * Fetch the FIB header, then re-copy to get data as well. 259183114Sscottl */ 259283114Sscottl if ((error = copyin(ufib, cm->cm_fib, 259383114Sscottl sizeof(struct aac_fib_header))) != 0) 259483114Sscottl goto out; 259583114Sscottl size = cm->cm_fib->Header.Size + sizeof(struct aac_fib_header); 259683114Sscottl if (size > sizeof(struct aac_fib)) { 2597119146Sscottl device_printf(sc->aac_dev, "incoming FIB oversized (%d > %zd)\n", 259883114Sscottl size, sizeof(struct aac_fib)); 259983114Sscottl size = sizeof(struct aac_fib); 260083114Sscottl } 260183114Sscottl if ((error = copyin(ufib, cm->cm_fib, size)) != 0) 260283114Sscottl goto out; 260383114Sscottl cm->cm_fib->Header.Size = size; 260483114Sscottl cm->cm_timestamp = time_second; 260565793Smsmith 260683114Sscottl /* 260783114Sscottl * Pass the FIB to the controller, wait for it to complete. 260883114Sscottl */ 2609128258Sscottl if ((error = aac_wait_command(cm)) != 0) { 2610110426Sscottl device_printf(sc->aac_dev, 2611110426Sscottl "aac_wait_command return %d\n", error); 261283114Sscottl goto out; 261387183Sscottl } 261465793Smsmith 261583114Sscottl /* 261683114Sscottl * Copy the FIB and data back out to the caller. 261783114Sscottl */ 261883114Sscottl size = cm->cm_fib->Header.Size; 261983114Sscottl if (size > sizeof(struct aac_fib)) { 2620119146Sscottl device_printf(sc->aac_dev, "outbound FIB oversized (%d > %zd)\n", 262183114Sscottl size, sizeof(struct aac_fib)); 262283114Sscottl size = sizeof(struct aac_fib); 262383114Sscottl } 262483114Sscottl error = copyout(cm->cm_fib, ufib, size); 262565793Smsmith 262665793Smsmithout: 262783114Sscottl if (cm != NULL) { 262883114Sscottl aac_release_command(cm); 262983114Sscottl } 2630111532Sscottl 2631133540Sscottl mtx_unlock(&sc->aac_io_lock); 263283114Sscottl return(error); 263365793Smsmith} 263465793Smsmith 263583114Sscottl/* 263665793Smsmith * Handle an AIF sent to us by the controller; queue it for later reference. 263782527Sscottl * If the queue fills up, then drop the older entries. 263865793Smsmith */ 263965793Smsmithstatic void 264082527Sscottlaac_handle_aif(struct aac_softc *sc, struct aac_fib *fib) 264165793Smsmith{ 264283114Sscottl struct aac_aif_command *aif; 264383114Sscottl struct aac_container *co, *co_next; 264495350Sscottl struct aac_mntinfo *mi; 264595350Sscottl struct aac_mntinforesp *mir = NULL; 264683114Sscottl u_int16_t rsize; 264787183Sscottl int next, found; 2648115760Sscottl int count = 0, added = 0, i = 0; 264965793Smsmith 265083114Sscottl debug_called(2); 265165793Smsmith 265283114Sscottl aif = (struct aac_aif_command*)&fib->data[0]; 265383114Sscottl aac_print_aif(sc, aif); 265482527Sscottl 265583114Sscottl /* Is it an event that we should care about? */ 265683114Sscottl switch (aif->command) { 265783114Sscottl case AifCmdEventNotify: 265883114Sscottl switch (aif->data.EN.type) { 265983114Sscottl case AifEnAddContainer: 266083114Sscottl case AifEnDeleteContainer: 266183114Sscottl /* 266283114Sscottl * A container was added or deleted, but the message 266383114Sscottl * doesn't tell us anything else! Re-enumerate the 266483114Sscottl * containers and sort things out. 266583114Sscottl */ 2666130006Sscottl aac_alloc_sync_fib(sc, &fib); 266795350Sscottl mi = (struct aac_mntinfo *)&fib->data[0]; 266883114Sscottl do { 266983114Sscottl /* 267083114Sscottl * Ask the controller for its containers one at 267183114Sscottl * a time. 267283114Sscottl * XXX What if the controller's list changes 267383114Sscottl * midway through this enumaration? 267483114Sscottl * XXX This should be done async. 267583114Sscottl */ 267695966Sscottl bzero(mi, sizeof(struct aac_mntinfo)); 267795966Sscottl mi->Command = VM_NameServe; 267895966Sscottl mi->MntType = FT_FILESYS; 267995350Sscottl mi->MntCount = i; 268083114Sscottl rsize = sizeof(mir); 268195350Sscottl if (aac_sync_fib(sc, ContainerCommand, 0, fib, 268295350Sscottl sizeof(struct aac_mntinfo))) { 2683115760Sscottl printf("Error probing container %d\n", 268483114Sscottl i); 268583114Sscottl continue; 268683114Sscottl } 268795350Sscottl mir = (struct aac_mntinforesp *)&fib->data[0]; 2688115760Sscottl /* XXX Need to check if count changed */ 2689115760Sscottl count = mir->MntRespCount; 269083114Sscottl /* 269183114Sscottl * Check the container against our list. 269283114Sscottl * co->co_found was already set to 0 in a 269383114Sscottl * previous run. 269483114Sscottl */ 269595350Sscottl if ((mir->Status == ST_OK) && 269695350Sscottl (mir->MntTable[0].VolType != CT_NONE)) { 269783114Sscottl found = 0; 269883114Sscottl TAILQ_FOREACH(co, 269983114Sscottl &sc->aac_container_tqh, 270083114Sscottl co_link) { 270183114Sscottl if (co->co_mntobj.ObjectId == 270295350Sscottl mir->MntTable[0].ObjectId) { 270383114Sscottl co->co_found = 1; 270483114Sscottl found = 1; 270583114Sscottl break; 270683114Sscottl } 270783114Sscottl } 270883114Sscottl /* 270983114Sscottl * If the container matched, continue 271083114Sscottl * in the list. 271183114Sscottl */ 271283114Sscottl if (found) { 271383114Sscottl i++; 271483114Sscottl continue; 271583114Sscottl } 271683114Sscottl 271783114Sscottl /* 271883114Sscottl * This is a new container. Do all the 2719110426Sscottl * appropriate things to set it up. 2720110426Sscottl */ 272195350Sscottl aac_add_container(sc, mir, 1); 272283114Sscottl added = 1; 272383114Sscottl } 272483114Sscottl i++; 2725115760Sscottl } while ((i < count) && (i < AAC_MAX_CONTAINERS)); 272695350Sscottl aac_release_sync_fib(sc); 272783114Sscottl 272883114Sscottl /* 272983114Sscottl * Go through our list of containers and see which ones 273083114Sscottl * were not marked 'found'. Since the controller didn't 273183114Sscottl * list them they must have been deleted. Do the 273283114Sscottl * appropriate steps to destroy the device. Also reset 273383114Sscottl * the co->co_found field. 273483114Sscottl */ 273583114Sscottl co = TAILQ_FIRST(&sc->aac_container_tqh); 273683114Sscottl while (co != NULL) { 273783114Sscottl if (co->co_found == 0) { 273883114Sscottl device_delete_child(sc->aac_dev, 273983114Sscottl co->co_disk); 274083114Sscottl co_next = TAILQ_NEXT(co, co_link); 2741133540Sscottl mtx_lock(&sc->aac_container_lock); 274283114Sscottl TAILQ_REMOVE(&sc->aac_container_tqh, co, 274383114Sscottl co_link); 2744133540Sscottl mtx_unlock(&sc->aac_container_lock); 2745133541Sscottl free(co, M_AACBUF); 274683114Sscottl co = co_next; 274783114Sscottl } else { 274883114Sscottl co->co_found = 0; 274983114Sscottl co = TAILQ_NEXT(co, co_link); 275083114Sscottl } 275182527Sscottl } 275282527Sscottl 275383114Sscottl /* Attach the newly created containers */ 275483114Sscottl if (added) 275583114Sscottl bus_generic_attach(sc->aac_dev); 275683114Sscottl 2757105528Sphk break; 275882527Sscottl 275983114Sscottl default: 276083114Sscottl break; 276182527Sscottl } 276282527Sscottl 276382527Sscottl default: 276483114Sscottl break; 276582527Sscottl } 276682527Sscottl 276783114Sscottl /* Copy the AIF data to the AIF queue for ioctl retrieval */ 2768133540Sscottl mtx_lock(&sc->aac_aifq_lock); 276983114Sscottl next = (sc->aac_aifq_head + 1) % AAC_AIFQ_LENGTH; 277083114Sscottl if (next != sc->aac_aifq_tail) { 277183114Sscottl bcopy(aif, &sc->aac_aifq[next], sizeof(struct aac_aif_command)); 277287183Sscottl sc->aac_aifq_head = next; 277387183Sscottl 277487183Sscottl /* On the off chance that someone is sleeping for an aif... */ 277587183Sscottl if (sc->aac_state & AAC_STATE_AIF_SLEEPER) 277687183Sscottl wakeup(sc->aac_aifq); 277787183Sscottl /* Wakeup any poll()ers */ 2778122352Stanimura selwakeuppri(&sc->rcv_select, PRIBIO); 277983114Sscottl } 2780133540Sscottl mtx_unlock(&sc->aac_aifq_lock); 278182527Sscottl 278283114Sscottl return; 278365793Smsmith} 278465793Smsmith 278583114Sscottl/* 278670393Smsmith * Return the Revision of the driver to userspace and check to see if the 278782527Sscottl * userspace app is possibly compatible. This is extremely bogus since 278882527Sscottl * our driver doesn't follow Adaptec's versioning system. Cheat by just 278982527Sscottl * returning what the card reported. 279065793Smsmith */ 279165793Smsmithstatic int 279281189Sscottlaac_rev_check(struct aac_softc *sc, caddr_t udata) 279365793Smsmith{ 279483114Sscottl struct aac_rev_check rev_check; 279583114Sscottl struct aac_rev_check_resp rev_check_resp; 279683114Sscottl int error = 0; 279765793Smsmith 279883114Sscottl debug_called(2); 279965793Smsmith 280083114Sscottl /* 280183114Sscottl * Copyin the revision struct from userspace 280283114Sscottl */ 280383114Sscottl if ((error = copyin(udata, (caddr_t)&rev_check, 280481082Sscottl sizeof(struct aac_rev_check))) != 0) { 280583114Sscottl return error; 280683114Sscottl } 280765793Smsmith 280883114Sscottl debug(2, "Userland revision= %d\n", 280983114Sscottl rev_check.callingRevision.buildNumber); 281065793Smsmith 281183114Sscottl /* 281283114Sscottl * Doctor up the response struct. 281383114Sscottl */ 281483114Sscottl rev_check_resp.possiblyCompatible = 1; 281583114Sscottl rev_check_resp.adapterSWRevision.external.ul = 281683114Sscottl sc->aac_revision.external.ul; 281783114Sscottl rev_check_resp.adapterSWRevision.buildNumber = 281883114Sscottl sc->aac_revision.buildNumber; 281965793Smsmith 282083114Sscottl return(copyout((caddr_t)&rev_check_resp, udata, 282183114Sscottl sizeof(struct aac_rev_check_resp))); 282265793Smsmith} 282365793Smsmith 282483114Sscottl/* 282565793Smsmith * Pass the caller the next AIF in their queue 282665793Smsmith */ 282765793Smsmithstatic int 282881189Sscottlaac_getnext_aif(struct aac_softc *sc, caddr_t arg) 282965793Smsmith{ 283083114Sscottl struct get_adapter_fib_ioctl agf; 2831111691Sscottl int error; 283265793Smsmith 283383114Sscottl debug_called(2); 283465793Smsmith 283583114Sscottl if ((error = copyin(arg, &agf, sizeof(agf))) == 0) { 283665793Smsmith 283783114Sscottl /* 283883114Sscottl * Check the magic number that we gave the caller. 283983114Sscottl */ 2840119146Sscottl if (agf.AdapterFibContext != (int)(uintptr_t)sc->aifthread) { 284183114Sscottl error = EFAULT; 284283114Sscottl } else { 284381189Sscottl error = aac_return_aif(sc, agf.AifFib); 284483114Sscottl if ((error == EAGAIN) && (agf.Wait)) { 284583114Sscottl sc->aac_state |= AAC_STATE_AIF_SLEEPER; 284683114Sscottl while (error == EAGAIN) { 284783114Sscottl error = tsleep(sc->aac_aifq, PRIBIO | 284883114Sscottl PCATCH, "aacaif", 0); 284983114Sscottl if (error == 0) 285083114Sscottl error = aac_return_aif(sc, 285183114Sscottl agf.AifFib); 285283114Sscottl } 285383114Sscottl sc->aac_state &= ~AAC_STATE_AIF_SLEEPER; 285483114Sscottl } 285565793Smsmith } 285665793Smsmith } 285783114Sscottl return(error); 285865793Smsmith} 285965793Smsmith 286083114Sscottl/* 286170393Smsmith * Hand the next AIF off the top of the queue out to userspace. 286270393Smsmith */ 286370393Smsmithstatic int 286481189Sscottlaac_return_aif(struct aac_softc *sc, caddr_t uptr) 286570393Smsmith{ 2866121173Sscottl int next, error; 286770393Smsmith 286883114Sscottl debug_called(2); 286970393Smsmith 2870133540Sscottl mtx_lock(&sc->aac_aifq_lock); 287183114Sscottl if (sc->aac_aifq_tail == sc->aac_aifq_head) { 2872133540Sscottl mtx_unlock(&sc->aac_aifq_lock); 2873121173Sscottl return (EAGAIN); 287483114Sscottl } 2875121173Sscottl 2876121173Sscottl next = (sc->aac_aifq_tail + 1) % AAC_AIFQ_LENGTH; 2877121173Sscottl error = copyout(&sc->aac_aifq[next], uptr, 2878121173Sscottl sizeof(struct aac_aif_command)); 2879121173Sscottl if (error) 2880121173Sscottl device_printf(sc->aac_dev, 2881121173Sscottl "aac_return_aif: copyout returned %d\n", error); 2882121173Sscottl else 2883121173Sscottl sc->aac_aifq_tail = next; 2884121173Sscottl 2885133540Sscottl mtx_unlock(&sc->aac_aifq_lock); 288683114Sscottl return(error); 288770393Smsmith} 288882527Sscottl 288983114Sscottl/* 289082527Sscottl * Give the userland some information about the container. The AAC arch 289182527Sscottl * expects the driver to be a SCSI passthrough type driver, so it expects 289282527Sscottl * the containers to have b:t:l numbers. Fake it. 289382527Sscottl */ 289482527Sscottlstatic int 289582527Sscottlaac_query_disk(struct aac_softc *sc, caddr_t uptr) 289682527Sscottl{ 289783114Sscottl struct aac_query_disk query_disk; 289883114Sscottl struct aac_container *co; 289983114Sscottl struct aac_disk *disk; 290083114Sscottl int error, id; 290182527Sscottl 290283114Sscottl debug_called(2); 290382527Sscottl 290483114Sscottl disk = NULL; 290582527Sscottl 290683114Sscottl error = copyin(uptr, (caddr_t)&query_disk, 290783114Sscottl sizeof(struct aac_query_disk)); 290883114Sscottl if (error) 290983114Sscottl return (error); 291082527Sscottl 291183114Sscottl id = query_disk.ContainerNumber; 291283114Sscottl if (id == -1) 291383114Sscottl return (EINVAL); 291482527Sscottl 2915133540Sscottl mtx_lock(&sc->aac_container_lock); 291683114Sscottl TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) { 291783114Sscottl if (co->co_mntobj.ObjectId == id) 291883114Sscottl break; 291983114Sscottl } 292082527Sscottl 2921105528Sphk if (co == NULL) { 292283114Sscottl query_disk.Valid = 0; 292383114Sscottl query_disk.Locked = 0; 292483114Sscottl query_disk.Deleted = 1; /* XXX is this right? */ 2925105528Sphk } else { 2926105528Sphk disk = device_get_softc(co->co_disk); 2927105528Sphk query_disk.Valid = 1; 2928105528Sphk query_disk.Locked = 2929105528Sphk (disk->ad_flags & AAC_DISK_OPEN) ? 1 : 0; 2930105528Sphk query_disk.Deleted = 0; 2931105528Sphk query_disk.Bus = device_get_unit(sc->aac_dev); 2932105528Sphk query_disk.Target = disk->unit; 2933105528Sphk query_disk.Lun = 0; 2934105528Sphk query_disk.UnMapped = 0; 2935111525Sscottl sprintf(&query_disk.diskDeviceName[0], "%s%d", 2936125975Sphk disk->ad_disk->d_name, disk->ad_disk->d_unit); 2937105528Sphk } 2938133540Sscottl mtx_unlock(&sc->aac_container_lock); 293982527Sscottl 294083114Sscottl error = copyout((caddr_t)&query_disk, uptr, 294183114Sscottl sizeof(struct aac_query_disk)); 294283114Sscottl 294383114Sscottl return (error); 294482527Sscottl} 294582527Sscottl 294695536Sscottlstatic void 294795536Sscottlaac_get_bus_info(struct aac_softc *sc) 294895536Sscottl{ 294995536Sscottl struct aac_fib *fib; 295095536Sscottl struct aac_ctcfg *c_cmd; 295195536Sscottl struct aac_ctcfg_resp *c_resp; 295295536Sscottl struct aac_vmioctl *vmi; 295395536Sscottl struct aac_vmi_businf_resp *vmi_resp; 295495536Sscottl struct aac_getbusinf businfo; 2955110426Sscottl struct aac_sim *caminf; 295695536Sscottl device_t child; 295795536Sscottl int i, found, error; 295895536Sscottl 2959130006Sscottl aac_alloc_sync_fib(sc, &fib); 296095536Sscottl c_cmd = (struct aac_ctcfg *)&fib->data[0]; 296195966Sscottl bzero(c_cmd, sizeof(struct aac_ctcfg)); 296295536Sscottl 296395536Sscottl c_cmd->Command = VM_ContainerConfig; 296495536Sscottl c_cmd->cmd = CT_GET_SCSI_METHOD; 296595536Sscottl c_cmd->param = 0; 296695536Sscottl 296795536Sscottl error = aac_sync_fib(sc, ContainerCommand, 0, fib, 296895536Sscottl sizeof(struct aac_ctcfg)); 296995536Sscottl if (error) { 297095536Sscottl device_printf(sc->aac_dev, "Error %d sending " 297195536Sscottl "VM_ContainerConfig command\n", error); 297295536Sscottl aac_release_sync_fib(sc); 297395536Sscottl return; 297495536Sscottl } 297595536Sscottl 297695536Sscottl c_resp = (struct aac_ctcfg_resp *)&fib->data[0]; 297795536Sscottl if (c_resp->Status != ST_OK) { 297895536Sscottl device_printf(sc->aac_dev, "VM_ContainerConfig returned 0x%x\n", 297995536Sscottl c_resp->Status); 298095536Sscottl aac_release_sync_fib(sc); 298195536Sscottl return; 298295536Sscottl } 298395536Sscottl 298495536Sscottl sc->scsi_method_id = c_resp->param; 298595536Sscottl 298695536Sscottl vmi = (struct aac_vmioctl *)&fib->data[0]; 298795966Sscottl bzero(vmi, sizeof(struct aac_vmioctl)); 298895966Sscottl 298995536Sscottl vmi->Command = VM_Ioctl; 299095536Sscottl vmi->ObjType = FT_DRIVE; 299195536Sscottl vmi->MethId = sc->scsi_method_id; 299295536Sscottl vmi->ObjId = 0; 299395536Sscottl vmi->IoctlCmd = GetBusInfo; 299495536Sscottl 299595536Sscottl error = aac_sync_fib(sc, ContainerCommand, 0, fib, 299695536Sscottl sizeof(struct aac_vmioctl)); 299795536Sscottl if (error) { 299895536Sscottl device_printf(sc->aac_dev, "Error %d sending VMIoctl command\n", 299995536Sscottl error); 300095536Sscottl aac_release_sync_fib(sc); 300195536Sscottl return; 300295536Sscottl } 300395536Sscottl 300495536Sscottl vmi_resp = (struct aac_vmi_businf_resp *)&fib->data[0]; 300595536Sscottl if (vmi_resp->Status != ST_OK) { 300695536Sscottl device_printf(sc->aac_dev, "VM_Ioctl returned %d\n", 300795536Sscottl vmi_resp->Status); 300895536Sscottl aac_release_sync_fib(sc); 300995536Sscottl return; 301095536Sscottl } 301195536Sscottl 301295536Sscottl bcopy(&vmi_resp->BusInf, &businfo, sizeof(struct aac_getbusinf)); 301395536Sscottl aac_release_sync_fib(sc); 301495536Sscottl 301595536Sscottl found = 0; 301695536Sscottl for (i = 0; i < businfo.BusCount; i++) { 301795536Sscottl if (businfo.BusValid[i] != AAC_BUS_VALID) 301895536Sscottl continue; 301995536Sscottl 3020110428Sscottl caminf = (struct aac_sim *)malloc( sizeof(struct aac_sim), 3021110428Sscottl M_AACBUF, M_NOWAIT | M_ZERO); 302295536Sscottl if (caminf == NULL) 302395536Sscottl continue; 302495536Sscottl 302595536Sscottl child = device_add_child(sc->aac_dev, "aacp", -1); 302695536Sscottl if (child == NULL) { 302795536Sscottl device_printf(sc->aac_dev, "device_add_child failed\n"); 302895536Sscottl continue; 302995536Sscottl } 303095536Sscottl 303195536Sscottl caminf->TargetsPerBus = businfo.TargetsPerBus; 303295536Sscottl caminf->BusNumber = i; 303395536Sscottl caminf->InitiatorBusId = businfo.InitiatorBusId[i]; 303495536Sscottl caminf->aac_sc = sc; 3035110432Sscottl caminf->sim_dev = child; 303695536Sscottl 303795536Sscottl device_set_ivars(child, caminf); 303895536Sscottl device_set_desc(child, "SCSI Passthrough Bus"); 3039110426Sscottl TAILQ_INSERT_TAIL(&sc->aac_sim_tqh, caminf, sim_link); 304095536Sscottl 304195536Sscottl found = 1; 304295536Sscottl } 304395536Sscottl 304495536Sscottl if (found) 304595536Sscottl bus_generic_attach(sc->aac_dev); 304695536Sscottl 304795536Sscottl return; 304895536Sscottl} 3049