151974Smsmith/*- 265245Smsmith * Copyright (c) 1999,2000 Michael Smith 365245Smsmith * Copyright (c) 2000 BSDi 4140687Sscottl * Copyright (c) 2005 Scott Long 551974Smsmith * All rights reserved. 651974Smsmith * 751974Smsmith * Redistribution and use in source and binary forms, with or without 851974Smsmith * modification, are permitted provided that the following conditions 951974Smsmith * are met: 1051974Smsmith * 1. Redistributions of source code must retain the above copyright 1151974Smsmith * notice, this list of conditions and the following disclaimer. 1251974Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1351974Smsmith * notice, this list of conditions and the following disclaimer in the 1451974Smsmith * documentation and/or other materials provided with the distribution. 1551974Smsmith * 1651974Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1751974Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1851974Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1951974Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2051974Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2151974Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2251974Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2351974Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2451974Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2551974Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2651974Smsmith * SUCH DAMAGE. 27119418Sobrien */ 28139749Simp/*- 29106225Semoore * Copyright (c) 2002 Eric Moore 30140688Sscottl * Copyright (c) 2002, 2004 LSI Logic Corporation 31106225Semoore * All rights reserved. 32106225Semoore * 33106225Semoore * Redistribution and use in source and binary forms, with or without 34106225Semoore * modification, are permitted provided that the following conditions 35106225Semoore * are met: 36106225Semoore * 1. Redistributions of source code must retain the above copyright 37106225Semoore * notice, this list of conditions and the following disclaimer. 38106225Semoore * 2. Redistributions in binary form must reproduce the above copyright 39106225Semoore * notice, this list of conditions and the following disclaimer in the 40106225Semoore * documentation and/or other materials provided with the distribution. 41105419Semoore * 3. The party using or redistributing the source code and binary forms 42106225Semoore * agrees to the disclaimer below and the terms and conditions set forth 43105419Semoore * herein. 44105419Semoore * 45106225Semoore * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 46106225Semoore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 47106225Semoore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 48106225Semoore * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 49106225Semoore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 50106225Semoore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 51106225Semoore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 52106225Semoore * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 53106225Semoore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54106225Semoore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55106225Semoore * SUCH DAMAGE. 5651974Smsmith */ 5751974Smsmith 58119418Sobrien#include <sys/cdefs.h> 59119418Sobrien__FBSDID("$FreeBSD$"); 60119418Sobrien 6151974Smsmith/* 6265245Smsmith * Driver for the AMI MegaRaid family of controllers. 6351974Smsmith */ 6451974Smsmith 6551974Smsmith#include <sys/param.h> 6651974Smsmith#include <sys/systm.h> 6751974Smsmith#include <sys/malloc.h> 6851974Smsmith#include <sys/kernel.h> 69153409Sscottl#include <sys/proc.h> 70153409Sscottl#include <sys/sysctl.h> 7151974Smsmith 72148850Sscottl#include <sys/bio.h> 7351974Smsmith#include <sys/bus.h> 7451974Smsmith#include <sys/conf.h> 7565245Smsmith#include <sys/stat.h> 7651974Smsmith 7765245Smsmith#include <machine/bus.h> 78153409Sscottl#include <machine/cpu.h> 7951974Smsmith#include <machine/resource.h> 8051974Smsmith#include <sys/rman.h> 8151974Smsmith 82119277Simp#include <dev/pci/pcireg.h> 83119277Simp#include <dev/pci/pcivar.h> 8465245Smsmith 8551974Smsmith#include <dev/amr/amrio.h> 8651974Smsmith#include <dev/amr/amrreg.h> 8751974Smsmith#include <dev/amr/amrvar.h> 8865245Smsmith#define AMR_DEFINE_TABLES 8965245Smsmith#include <dev/amr/amr_tables.h> 9051974Smsmith 91153409SscottlSYSCTL_NODE(_hw, OID_AUTO, amr, CTLFLAG_RD, 0, "AMR driver parameters"); 92153409Sscottl 9365245Smsmithstatic d_open_t amr_open; 9465245Smsmithstatic d_close_t amr_close; 9565245Smsmithstatic d_ioctl_t amr_ioctl; 9665245Smsmith 9751974Smsmithstatic struct cdevsw amr_cdevsw = { 98126080Sphk .d_version = D_VERSION, 99126080Sphk .d_flags = D_NEEDGIANT, 100111815Sphk .d_open = amr_open, 101111815Sphk .d_close = amr_close, 102111815Sphk .d_ioctl = amr_ioctl, 103111815Sphk .d_name = "amr", 10451974Smsmith}; 10551974Smsmith 106158267Sambriskoint linux_no_adapter = 0; 10765245Smsmith/* 10865245Smsmith * Initialisation, bus interface. 10965245Smsmith */ 11065245Smsmithstatic void amr_startup(void *arg); 11151974Smsmith 11251974Smsmith/* 11351974Smsmith * Command wrappers 11451974Smsmith */ 11565245Smsmithstatic int amr_query_controller(struct amr_softc *sc); 11665245Smsmithstatic void *amr_enquiry(struct amr_softc *sc, size_t bufsize, 117153409Sscottl u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual, int *status); 11865245Smsmithstatic void amr_completeio(struct amr_command *ac); 119106225Semoorestatic int amr_support_ext_cdb(struct amr_softc *sc); 12051974Smsmith 12151974Smsmith/* 12265245Smsmith * Command buffer allocation. 12351974Smsmith */ 12465245Smsmithstatic void amr_alloccmd_cluster(struct amr_softc *sc); 12565245Smsmithstatic void amr_freecmd_cluster(struct amr_command_cluster *acc); 12651974Smsmith 12751974Smsmith/* 12865245Smsmith * Command processing. 12951974Smsmith */ 13065245Smsmithstatic int amr_bio_command(struct amr_softc *sc, struct amr_command **acp); 131138422Sscottlstatic int amr_wait_command(struct amr_command *ac) __unused; 132138422Sscottlstatic int amr_mapcmd(struct amr_command *ac); 13365245Smsmithstatic void amr_unmapcmd(struct amr_command *ac); 13465245Smsmithstatic int amr_start(struct amr_command *ac); 135175622Sscottlstatic void amr_complete(void *context, ac_qhead_t *head); 136174544Sscottlstatic void amr_setup_sg(void *arg, bus_dma_segment_t *segs, int nsegments, int error); 137174544Sscottlstatic void amr_setup_data(void *arg, bus_dma_segment_t *segs, int nsegments, int error); 138174544Sscottlstatic void amr_setup_ccb(void *arg, bus_dma_segment_t *segs, int nsegments, int error); 139175622Sscottlstatic void amr_abort_load(struct amr_command *ac); 14051974Smsmith 14151974Smsmith/* 14251974Smsmith * Interface-specific shims 14351974Smsmith */ 144155222Spsstatic int amr_quartz_submit_command(struct amr_command *ac); 14565245Smsmithstatic int amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave); 146107756Semoorestatic int amr_quartz_poll_command(struct amr_command *ac); 147138422Sscottlstatic int amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac); 14851974Smsmith 149155222Spsstatic int amr_std_submit_command(struct amr_command *ac); 15065245Smsmithstatic int amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave); 151107756Semoorestatic int amr_std_poll_command(struct amr_command *ac); 15265245Smsmithstatic void amr_std_attach_mailbox(struct amr_softc *sc); 15351974Smsmith 15465245Smsmith#ifdef AMR_BOARD_INIT 15565245Smsmithstatic int amr_quartz_init(struct amr_softc *sc); 15665245Smsmithstatic int amr_std_init(struct amr_softc *sc); 15765245Smsmith#endif 15865245Smsmith 15951974Smsmith/* 16051974Smsmith * Debugging 16151974Smsmith */ 16265245Smsmithstatic void amr_describe_controller(struct amr_softc *sc); 16365245Smsmith#ifdef AMR_DEBUG 164107756Semoore#if 0 16565245Smsmithstatic void amr_printcommand(struct amr_command *ac); 16665245Smsmith#endif 167107756Semoore#endif 16851974Smsmith 169153409Sscottlstatic void amr_init_sysctl(struct amr_softc *sc); 170158267Sambriskostatic int amr_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t addr, 171192450Simp int32_t flag, struct thread *td); 172153409Sscottl 173227293Sedstatic MALLOC_DEFINE(M_AMR, "amr", "AMR memory"); 174174194Sscottl 17551974Smsmith/******************************************************************************** 17651974Smsmith ******************************************************************************** 17765245Smsmith Inline Glue 17851974Smsmith ******************************************************************************** 17951974Smsmith ********************************************************************************/ 18051974Smsmith 18151974Smsmith/******************************************************************************** 18265245Smsmith ******************************************************************************** 18365245Smsmith Public Interfaces 18465245Smsmith ******************************************************************************** 18565245Smsmith ********************************************************************************/ 18651974Smsmith 18751974Smsmith/******************************************************************************** 18851974Smsmith * Initialise the controller and softc. 18951974Smsmith */ 19051974Smsmithint 19151974Smsmithamr_attach(struct amr_softc *sc) 19251974Smsmith{ 193184573Sscottl device_t child; 19451974Smsmith 19565245Smsmith debug_called(1); 19665245Smsmith 19751974Smsmith /* 19851974Smsmith * Initialise per-controller queues. 19951974Smsmith */ 200175622Sscottl amr_init_qhead(&sc->amr_freecmds); 201175622Sscottl amr_init_qhead(&sc->amr_ready); 20265245Smsmith TAILQ_INIT(&sc->amr_cmd_clusters); 20359249Sphk bioq_init(&sc->amr_bioq); 20451974Smsmith 20565245Smsmith debug(2, "queue init done"); 20665245Smsmith 20765245Smsmith /* 20851974Smsmith * Configure for this controller type. 20951974Smsmith */ 21065245Smsmith if (AMR_IS_QUARTZ(sc)) { 21151974Smsmith sc->amr_submit_command = amr_quartz_submit_command; 21251974Smsmith sc->amr_get_work = amr_quartz_get_work; 213107756Semoore sc->amr_poll_command = amr_quartz_poll_command; 214138422Sscottl sc->amr_poll_command1 = amr_quartz_poll_command1; 21551974Smsmith } else { 21651974Smsmith sc->amr_submit_command = amr_std_submit_command; 21751974Smsmith sc->amr_get_work = amr_std_get_work; 218107756Semoore sc->amr_poll_command = amr_std_poll_command; 219201758Smbr amr_std_attach_mailbox(sc); 22051974Smsmith } 22151974Smsmith 22265245Smsmith#ifdef AMR_BOARD_INIT 223198546Sbrueffer if ((AMR_IS_QUARTZ(sc) ? amr_quartz_init(sc) : amr_std_init(sc))) 22465245Smsmith return(ENXIO); 22565245Smsmith#endif 22651974Smsmith 22751974Smsmith /* 228175622Sscottl * Allocate initial commands. 229175622Sscottl */ 230175622Sscottl amr_alloccmd_cluster(sc); 231175622Sscottl 232175622Sscottl /* 23365245Smsmith * Quiz controller for features and limits. 23451974Smsmith */ 23565245Smsmith if (amr_query_controller(sc)) 23665245Smsmith return(ENXIO); 23751974Smsmith 23865245Smsmith debug(2, "controller query complete"); 23951974Smsmith 240153409Sscottl /* 241175622Sscottl * preallocate the remaining commands. 242175622Sscottl */ 243175622Sscottl while (sc->amr_nextslot < sc->amr_maxio) 244175622Sscottl amr_alloccmd_cluster(sc); 245175622Sscottl 246175622Sscottl /* 247153409Sscottl * Setup sysctls. 248153409Sscottl */ 249153409Sscottl amr_init_sysctl(sc); 250153409Sscottl 25151974Smsmith /* 25265245Smsmith * Attach our 'real' SCSI channels to CAM. 25351974Smsmith */ 254184573Sscottl child = device_add_child(sc->amr_dev, "amrp", -1); 255184573Sscottl sc->amr_pass = child; 256184573Sscottl if (child != NULL) { 257184573Sscottl device_set_softc(child, sc); 258184573Sscottl device_set_desc(child, "SCSI Passthrough Bus"); 259184573Sscottl bus_generic_attach(sc->amr_dev); 260184573Sscottl } 26151974Smsmith 26251974Smsmith /* 26365245Smsmith * Create the control device. 26451974Smsmith */ 26565245Smsmith sc->amr_dev_t = make_dev(&amr_cdevsw, device_get_unit(sc->amr_dev), UID_ROOT, GID_OPERATOR, 26665245Smsmith S_IRUSR | S_IWUSR, "amr%d", device_get_unit(sc->amr_dev)); 26765245Smsmith sc->amr_dev_t->si_drv1 = sc; 268158267Sambrisko linux_no_adapter++; 269158267Sambrisko if (device_get_unit(sc->amr_dev) == 0) 270158267Sambrisko make_dev_alias(sc->amr_dev_t, "megadev0"); 27151974Smsmith 27251974Smsmith /* 27365245Smsmith * Schedule ourselves to bring the controller up once interrupts are 27465245Smsmith * available. 27551974Smsmith */ 27665245Smsmith bzero(&sc->amr_ich, sizeof(struct intr_config_hook)); 27765245Smsmith sc->amr_ich.ich_func = amr_startup; 27865245Smsmith sc->amr_ich.ich_arg = sc; 27965245Smsmith if (config_intrhook_establish(&sc->amr_ich) != 0) { 28065245Smsmith device_printf(sc->amr_dev, "can't establish configuration hook\n"); 28165245Smsmith return(ENOMEM); 28265245Smsmith } 28351974Smsmith 28458883Smsmith /* 28565245Smsmith * Print a little information about the controller. 28658883Smsmith */ 28765245Smsmith amr_describe_controller(sc); 28858883Smsmith 28965245Smsmith debug(2, "attach complete"); 29051974Smsmith return(0); 29151974Smsmith} 29251974Smsmith 29351974Smsmith/******************************************************************************** 29451974Smsmith * Locate disk resources and attach children to them. 29551974Smsmith */ 29665245Smsmithstatic void 29765245Smsmithamr_startup(void *arg) 29851974Smsmith{ 29965245Smsmith struct amr_softc *sc = (struct amr_softc *)arg; 30051974Smsmith struct amr_logdrive *dr; 30151974Smsmith int i, error; 30251974Smsmith 30365245Smsmith debug_called(1); 30451974Smsmith 30565245Smsmith /* pull ourselves off the intrhook chain */ 306153409Sscottl if (sc->amr_ich.ich_func) 307153409Sscottl config_intrhook_disestablish(&sc->amr_ich); 308153409Sscottl sc->amr_ich.ich_func = NULL; 30965245Smsmith 31051974Smsmith /* get up-to-date drive information */ 31151974Smsmith if (amr_query_controller(sc)) { 31265245Smsmith device_printf(sc->amr_dev, "can't scan controller for drives\n"); 31351974Smsmith return; 31451974Smsmith } 31551974Smsmith 31651974Smsmith /* iterate over available drives */ 31751974Smsmith for (i = 0, dr = &sc->amr_drive[0]; (i < AMR_MAXLD) && (dr->al_size != 0xffffffff); i++, dr++) { 31851974Smsmith /* are we already attached to this drive? */ 31951974Smsmith if (dr->al_disk == 0) { 32051974Smsmith /* generate geometry information */ 32151974Smsmith if (dr->al_size > 0x200000) { /* extended translation? */ 32251974Smsmith dr->al_heads = 255; 32351974Smsmith dr->al_sectors = 63; 32451974Smsmith } else { 32551974Smsmith dr->al_heads = 64; 32651974Smsmith dr->al_sectors = 32; 32751974Smsmith } 32851974Smsmith dr->al_cylinders = dr->al_size / (dr->al_heads * dr->al_sectors); 32951974Smsmith 33054073Smdodd dr->al_disk = device_add_child(sc->amr_dev, NULL, -1); 33151974Smsmith if (dr->al_disk == 0) 33251974Smsmith device_printf(sc->amr_dev, "device_add_child failed\n"); 33354073Smdodd device_set_ivars(dr->al_disk, dr); 33451974Smsmith } 33551974Smsmith } 33651974Smsmith 33751974Smsmith if ((error = bus_generic_attach(sc->amr_dev)) != 0) 33851974Smsmith device_printf(sc->amr_dev, "bus_generic_attach returned %d\n", error); 33951974Smsmith 34051974Smsmith /* mark controller back up */ 34151974Smsmith sc->amr_state &= ~AMR_STATE_SHUTDOWN; 34251974Smsmith 34351974Smsmith /* interrupts will be enabled before we do anything more */ 34451974Smsmith sc->amr_state |= AMR_STATE_INTEN; 34551974Smsmith 34665245Smsmith return; 34751974Smsmith} 34851974Smsmith 349153409Sscottlstatic void 350153409Sscottlamr_init_sysctl(struct amr_softc *sc) 351153409Sscottl{ 352153409Sscottl 353153409Sscottl SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->amr_dev), 354153409Sscottl SYSCTL_CHILDREN(device_get_sysctl_tree(sc->amr_dev)), 355153409Sscottl OID_AUTO, "allow_volume_configure", CTLFLAG_RW, &sc->amr_allow_vol_config, 0, 356153409Sscottl ""); 357175622Sscottl SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->amr_dev), 358175622Sscottl SYSCTL_CHILDREN(device_get_sysctl_tree(sc->amr_dev)), 359175622Sscottl OID_AUTO, "nextslot", CTLFLAG_RD, &sc->amr_nextslot, 0, 360175622Sscottl ""); 361175622Sscottl SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->amr_dev), 362175622Sscottl SYSCTL_CHILDREN(device_get_sysctl_tree(sc->amr_dev)), 363175622Sscottl OID_AUTO, "busyslots", CTLFLAG_RD, &sc->amr_busyslots, 0, 364175622Sscottl ""); 365175622Sscottl SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->amr_dev), 366175622Sscottl SYSCTL_CHILDREN(device_get_sysctl_tree(sc->amr_dev)), 367175622Sscottl OID_AUTO, "maxio", CTLFLAG_RD, &sc->amr_maxio, 0, 368175622Sscottl ""); 369153409Sscottl} 370153409Sscottl 371153409Sscottl 37265245Smsmith/******************************************************************************* 37365245Smsmith * Free resources associated with a controller instance 37451974Smsmith */ 37565245Smsmithvoid 37665245Smsmithamr_free(struct amr_softc *sc) 37751974Smsmith{ 37865245Smsmith struct amr_command_cluster *acc; 37951974Smsmith 38065245Smsmith /* detach from CAM */ 381184573Sscottl if (sc->amr_pass != NULL) 382184573Sscottl device_delete_child(sc->amr_dev, sc->amr_pass); 38351974Smsmith 38465245Smsmith /* throw away any command buffers */ 38565245Smsmith while ((acc = TAILQ_FIRST(&sc->amr_cmd_clusters)) != NULL) { 38665245Smsmith TAILQ_REMOVE(&sc->amr_cmd_clusters, acc, acc_link); 38765245Smsmith amr_freecmd_cluster(acc); 38851974Smsmith } 389107756Semoore 390107756Semoore /* destroy control device */ 391130585Sphk if( sc->amr_dev_t != (struct cdev *)NULL) 392107756Semoore destroy_dev(sc->amr_dev_t); 393140340Sscottl 394153409Sscottl if (mtx_initialized(&sc->amr_hw_lock)) 395153409Sscottl mtx_destroy(&sc->amr_hw_lock); 396153409Sscottl 397153409Sscottl if (mtx_initialized(&sc->amr_list_lock)) 398153409Sscottl mtx_destroy(&sc->amr_list_lock); 39951974Smsmith} 40051974Smsmith 40151974Smsmith/******************************************************************************* 40265245Smsmith * Receive a bio structure from a child device and queue it on a particular 40351974Smsmith * disk resource, then poke the disk resource to start as much work as it can. 40451974Smsmith */ 40551974Smsmithint 40665245Smsmithamr_submit_bio(struct amr_softc *sc, struct bio *bio) 40751974Smsmith{ 40865245Smsmith debug_called(2); 40952543Smsmith 410153409Sscottl mtx_lock(&sc->amr_list_lock); 41165245Smsmith amr_enqueue_bio(sc, bio); 41251974Smsmith amr_startio(sc); 413153409Sscottl mtx_unlock(&sc->amr_list_lock); 41451974Smsmith return(0); 41551974Smsmith} 41651974Smsmith 41751974Smsmith/******************************************************************************** 41851974Smsmith * Accept an open operation on the control device. 41951974Smsmith */ 420104094Sphkstatic int 421192450Simpamr_open(struct cdev *dev, int flags, int fmt, struct thread *td) 42251974Smsmith{ 423183397Sed int unit = dev2unit(dev); 424196403Sjhb struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit); 42551974Smsmith 42665245Smsmith debug_called(1); 42765245Smsmith 42851974Smsmith sc->amr_state |= AMR_STATE_OPEN; 42951974Smsmith return(0); 43051974Smsmith} 43151974Smsmith 432153409Sscottl#ifdef LSI 433153409Sscottlstatic int 434153409Sscottlamr_del_ld(struct amr_softc *sc, int drv_no, int status) 435153409Sscottl{ 436153409Sscottl 437153409Sscottl debug_called(1); 438153409Sscottl 439153409Sscottl sc->amr_state &= ~AMR_STATE_QUEUE_FRZN; 440153409Sscottl sc->amr_state &= ~AMR_STATE_LD_DELETE; 441153409Sscottl sc->amr_state |= AMR_STATE_REMAP_LD; 442153409Sscottl debug(1, "State Set"); 443153409Sscottl 444153409Sscottl if (!status) { 445153409Sscottl debug(1, "disk begin destroyed %d",drv_no); 446153409Sscottl if (--amr_disks_registered == 0) 447153409Sscottl cdevsw_remove(&amrddisk_cdevsw); 448153409Sscottl debug(1, "disk begin destroyed success"); 449153409Sscottl } 450153409Sscottl return 0; 451153409Sscottl} 452153409Sscottl 453153409Sscottlstatic int 454153409Sscottlamr_prepare_ld_delete(struct amr_softc *sc) 455153409Sscottl{ 456153409Sscottl 457153409Sscottl debug_called(1); 458153409Sscottl if (sc->ld_del_supported == 0) 459153409Sscottl return(ENOIOCTL); 460153409Sscottl 461153409Sscottl sc->amr_state |= AMR_STATE_QUEUE_FRZN; 462153409Sscottl sc->amr_state |= AMR_STATE_LD_DELETE; 463153409Sscottl 464153409Sscottl /* 5 minutes for the all the commands to be flushed.*/ 465153409Sscottl tsleep((void *)&sc->ld_del_supported, PCATCH | PRIBIO,"delete_logical_drv",hz * 60 * 1); 466153409Sscottl if ( sc->amr_busyslots ) 467153409Sscottl return(ENOIOCTL); 468153409Sscottl 469153409Sscottl return 0; 470153409Sscottl} 471153409Sscottl#endif 472153409Sscottl 47351974Smsmith/******************************************************************************** 47451974Smsmith * Accept the last close on the control device. 47551974Smsmith */ 476104094Sphkstatic int 477192450Simpamr_close(struct cdev *dev, int flags, int fmt, struct thread *td) 47851974Smsmith{ 479183397Sed int unit = dev2unit(dev); 480196403Sjhb struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit); 48151974Smsmith 48265245Smsmith debug_called(1); 48365245Smsmith 48451974Smsmith sc->amr_state &= ~AMR_STATE_OPEN; 48551974Smsmith return (0); 48651974Smsmith} 48751974Smsmith 48851974Smsmith/******************************************************************************** 48951974Smsmith * Handle controller-specific control operations. 49051974Smsmith */ 491153409Sscottlstatic void 492153409Sscottlamr_rescan_drives(struct cdev *dev) 493153409Sscottl{ 494153409Sscottl struct amr_softc *sc = (struct amr_softc *)dev->si_drv1; 495153409Sscottl int i, error = 0; 496153409Sscottl 497153409Sscottl sc->amr_state |= AMR_STATE_REMAP_LD; 498153409Sscottl while (sc->amr_busyslots) { 499153409Sscottl device_printf(sc->amr_dev, "idle controller\n"); 500153409Sscottl amr_done(sc); 501153409Sscottl } 502153409Sscottl 503153409Sscottl /* mark ourselves as in-shutdown */ 504153409Sscottl sc->amr_state |= AMR_STATE_SHUTDOWN; 505153409Sscottl 506153409Sscottl /* flush controller */ 507153409Sscottl device_printf(sc->amr_dev, "flushing cache..."); 508153409Sscottl printf("%s\n", amr_flush(sc) ? "failed" : "done"); 509153409Sscottl 510153409Sscottl /* delete all our child devices */ 511153409Sscottl for(i = 0 ; i < AMR_MAXLD; i++) { 512153409Sscottl if(sc->amr_drive[i].al_disk != 0) { 513153409Sscottl if((error = device_delete_child(sc->amr_dev, 514153409Sscottl sc->amr_drive[i].al_disk)) != 0) 515153409Sscottl goto shutdown_out; 516153409Sscottl 517196970Sphk sc->amr_drive[i].al_disk = 0; 518153409Sscottl } 519153409Sscottl } 520153409Sscottl 521153409Sscottlshutdown_out: 522153409Sscottl amr_startup(sc); 523153409Sscottl} 524153409Sscottl 525234501Sjhb/* 526234501Sjhb * Bug-for-bug compatibility with Linux! 527234501Sjhb * Some apps will send commands with inlen and outlen set to 0, 528298955Spfg * even though they expect data to be transferred to them from the 529234501Sjhb * card. Linux accidentally allows this by allocating a 4KB 530234501Sjhb * buffer for the transfer anyways, but it then throws it away 531234501Sjhb * without copying it back to the app. 532234501Sjhb * 533234501Sjhb * The amr(4) firmware relies on this feature. In fact, it assumes 534234501Sjhb * the buffer is always a power of 2 up to a max of 64k. There is 535234501Sjhb * also at least one case where it assumes a buffer less than 16k is 536241228Sjhb * greater than 16k. However, forcing all buffers to a size of 32k 537241228Sjhb * causes stalls in the firmware. Force each command smaller than 538241228Sjhb * 64k up to the next power of two except that commands between 8k 539241228Sjhb * and 16k are rounded up to 32k instead of 16k. 540234501Sjhb */ 541234501Sjhbstatic unsigned long 542234501Sjhbamr_ioctl_buffer_length(unsigned long len) 543234501Sjhb{ 544234501Sjhb 545241228Sjhb if (len <= 4 * 1024) 546241228Sjhb return (4 * 1024); 547241228Sjhb if (len <= 8 * 1024) 548241228Sjhb return (8 * 1024); 549234501Sjhb if (len <= 32 * 1024) 550234501Sjhb return (32 * 1024); 551234501Sjhb if (len <= 64 * 1024) 552234501Sjhb return (64 * 1024); 553234501Sjhb return (len); 554234501Sjhb} 555234501Sjhb 556153409Sscottlint 557153409Sscottlamr_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t addr, int32_t flag, 558192450Simp struct thread *td) 559153409Sscottl{ 560153409Sscottl struct amr_softc *sc = (struct amr_softc *)dev->si_drv1; 561153409Sscottl struct amr_command *ac; 562153409Sscottl struct amr_mailbox *mb; 563153409Sscottl struct amr_linux_ioctl ali; 564153409Sscottl void *dp, *temp; 565153409Sscottl int error; 566269711Simp int len, ac_flags = 0; 567153409Sscottl int logical_drives_changed = 0; 568153409Sscottl u_int32_t linux_version = 0x02100000; 569153409Sscottl u_int8_t status; 570153409Sscottl struct amr_passthrough *ap; /* 60 bytes */ 571153409Sscottl 572153409Sscottl error = 0; 573153409Sscottl dp = NULL; 574153409Sscottl ac = NULL; 575153409Sscottl ap = NULL; 576153409Sscottl 577154370Sscottl if ((error = copyin(addr, &ali, sizeof(ali))) != 0) 578154370Sscottl return (error); 579153409Sscottl switch (ali.ui.fcs.opcode) { 580153409Sscottl case 0x82: 581153409Sscottl switch(ali.ui.fcs.subopcode) { 582153409Sscottl case 'e': 583153409Sscottl copyout(&linux_version, (void *)(uintptr_t)ali.data, 584153409Sscottl sizeof(linux_version)); 585153409Sscottl error = 0; 586153409Sscottl break; 587153409Sscottl 588153409Sscottl case 'm': 589158267Sambrisko copyout(&linux_no_adapter, (void *)(uintptr_t)ali.data, 590158267Sambrisko sizeof(linux_no_adapter)); 591158267Sambrisko td->td_retval[0] = linux_no_adapter; 592153409Sscottl error = 0; 593153409Sscottl break; 594153409Sscottl 595153409Sscottl default: 596153409Sscottl printf("Unknown subopcode\n"); 597153409Sscottl error = ENOIOCTL; 598153409Sscottl break; 599153409Sscottl } 600153409Sscottl break; 601153409Sscottl 602153409Sscottl case 0x80: 603153409Sscottl case 0x81: 604153409Sscottl if (ali.ui.fcs.opcode == 0x80) 605153409Sscottl len = max(ali.outlen, ali.inlen); 606153409Sscottl else 607153409Sscottl len = ali.ui.fcs.length; 608153409Sscottl 609153409Sscottl mb = (void *)&ali.mbox[0]; 610153409Sscottl 611153409Sscottl if ((ali.mbox[0] == FC_DEL_LOGDRV && ali.mbox[2] == OP_DEL_LOGDRV) || /* delete */ 612153409Sscottl (ali.mbox[0] == AMR_CMD_CONFIG && ali.mbox[2] == 0x0d)) { /* create */ 613153409Sscottl if (sc->amr_allow_vol_config == 0) { 614153409Sscottl error = EPERM; 615153409Sscottl break; 616153409Sscottl } 617153409Sscottl logical_drives_changed = 1; 618153409Sscottl } 619153409Sscottl 620153409Sscottl if (ali.mbox[0] == AMR_CMD_PASS) { 621174544Sscottl mtx_lock(&sc->amr_list_lock); 622174544Sscottl while ((ac = amr_alloccmd(sc)) == NULL) 623174544Sscottl msleep(sc, &sc->amr_list_lock, PPAUSE, "amrioc", hz); 624174544Sscottl mtx_unlock(&sc->amr_list_lock); 625174544Sscottl ap = &ac->ac_ccb->ccb_pthru; 626174544Sscottl 627153409Sscottl error = copyin((void *)(uintptr_t)mb->mb_physaddr, ap, 628153409Sscottl sizeof(struct amr_passthrough)); 629153409Sscottl if (error) 630153409Sscottl break; 631153409Sscottl 632153409Sscottl if (ap->ap_data_transfer_length) 633174194Sscottl dp = malloc(ap->ap_data_transfer_length, M_AMR, 634153409Sscottl M_WAITOK | M_ZERO); 635153409Sscottl 636153409Sscottl if (ali.inlen) { 637153409Sscottl error = copyin((void *)(uintptr_t)ap->ap_data_transfer_address, 638153409Sscottl dp, ap->ap_data_transfer_length); 639153409Sscottl if (error) 640153409Sscottl break; 641153409Sscottl } 642153409Sscottl 643174544Sscottl ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT|AMR_CMD_CCB; 644153409Sscottl bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox)); 645153409Sscottl ac->ac_mailbox.mb_command = AMR_CMD_PASS; 646153409Sscottl ac->ac_flags = ac_flags; 647153409Sscottl 648174544Sscottl ac->ac_data = dp; 649174544Sscottl ac->ac_length = ap->ap_data_transfer_length; 650153409Sscottl temp = (void *)(uintptr_t)ap->ap_data_transfer_address; 651153409Sscottl 652174544Sscottl mtx_lock(&sc->amr_list_lock); 653153409Sscottl error = amr_wait_command(ac); 654157586Sscottl mtx_unlock(&sc->amr_list_lock); 655153409Sscottl if (error) 656153409Sscottl break; 657153409Sscottl 658153409Sscottl status = ac->ac_status; 659153409Sscottl error = copyout(&status, &((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_scsi_status, sizeof(status)); 660153409Sscottl if (error) 661153409Sscottl break; 662153409Sscottl 663153409Sscottl if (ali.outlen) { 664153409Sscottl error = copyout(dp, temp, ap->ap_data_transfer_length); 665153409Sscottl if (error) 666153409Sscottl break; 667153409Sscottl } 668153409Sscottl error = copyout(ap->ap_request_sense_area, ((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_request_sense_area, ap->ap_request_sense_length); 669153409Sscottl if (error) 670153409Sscottl break; 671153409Sscottl 672153409Sscottl error = 0; 673153409Sscottl break; 674153409Sscottl } else if (ali.mbox[0] == AMR_CMD_PASS_64) { 675153409Sscottl printf("No AMR_CMD_PASS_64\n"); 676153409Sscottl error = ENOIOCTL; 677153409Sscottl break; 678153409Sscottl } else if (ali.mbox[0] == AMR_CMD_EXTPASS) { 679153409Sscottl printf("No AMR_CMD_EXTPASS\n"); 680153409Sscottl error = ENOIOCTL; 681153409Sscottl break; 682153409Sscottl } else { 683234501Sjhb len = amr_ioctl_buffer_length(imax(ali.inlen, ali.outlen)); 684153409Sscottl 685175622Sscottl dp = malloc(len, M_AMR, M_WAITOK | M_ZERO); 686175622Sscottl 687153409Sscottl if (ali.inlen) { 688153409Sscottl error = copyin((void *)(uintptr_t)mb->mb_physaddr, dp, len); 689153409Sscottl if (error) 690153409Sscottl break; 691153409Sscottl } 692153409Sscottl 693153409Sscottl mtx_lock(&sc->amr_list_lock); 694153409Sscottl while ((ac = amr_alloccmd(sc)) == NULL) 695153409Sscottl msleep(sc, &sc->amr_list_lock, PPAUSE, "amrioc", hz); 696153409Sscottl 697153409Sscottl ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT; 698153409Sscottl bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox)); 699153409Sscottl bcopy(&ali.mbox[0], &ac->ac_mailbox, sizeof(ali.mbox)); 700153409Sscottl 701153409Sscottl ac->ac_length = len; 702153409Sscottl ac->ac_data = dp; 703153409Sscottl ac->ac_flags = ac_flags; 704153409Sscottl 705153409Sscottl error = amr_wait_command(ac); 706157586Sscottl mtx_unlock(&sc->amr_list_lock); 707153409Sscottl if (error) 708153409Sscottl break; 709153409Sscottl 710153409Sscottl status = ac->ac_status; 711153409Sscottl error = copyout(&status, &((struct amr_mailbox *)&((struct amr_linux_ioctl *)addr)->mbox[0])->mb_status, sizeof(status)); 712153409Sscottl if (ali.outlen) { 713234501Sjhb error = copyout(dp, (void *)(uintptr_t)mb->mb_physaddr, ali.outlen); 714153409Sscottl if (error) 715153409Sscottl break; 716153409Sscottl } 717153409Sscottl 718153409Sscottl error = 0; 719153409Sscottl if (logical_drives_changed) 720153409Sscottl amr_rescan_drives(dev); 721153409Sscottl break; 722153409Sscottl } 723153409Sscottl break; 724153409Sscottl 725153409Sscottl default: 726153409Sscottl debug(1, "unknown linux ioctl 0x%lx", cmd); 727153409Sscottl printf("unknown linux ioctl 0x%lx\n", cmd); 728153409Sscottl error = ENOIOCTL; 729153409Sscottl break; 730153409Sscottl } 731153409Sscottl 732153409Sscottl /* 733153409Sscottl * At this point, we know that there is a lock held and that these 734153409Sscottl * objects have been allocated. 735153409Sscottl */ 736153409Sscottl mtx_lock(&sc->amr_list_lock); 737153409Sscottl if (ac != NULL) 738153409Sscottl amr_releasecmd(ac); 739153409Sscottl mtx_unlock(&sc->amr_list_lock); 740153409Sscottl if (dp != NULL) 741174194Sscottl free(dp, M_AMR); 742153409Sscottl return(error); 743153409Sscottl} 744153409Sscottl 745104094Sphkstatic int 746192450Simpamr_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int32_t flag, struct thread *td) 74751974Smsmith{ 74865245Smsmith struct amr_softc *sc = (struct amr_softc *)dev->si_drv1; 749133870Sambrisko union { 750133870Sambrisko void *_p; 751133870Sambrisko struct amr_user_ioctl *au; 752133870Sambrisko#ifdef AMR_IO_COMMAND32 753133870Sambrisko struct amr_user_ioctl32 *au32; 754133870Sambrisko#endif 755133870Sambrisko int *result; 756133870Sambrisko } arg; 75765245Smsmith struct amr_command *ac; 75865245Smsmith struct amr_mailbox_ioctl *mbi; 759133870Sambrisko void *dp, *au_buffer; 760234501Sjhb unsigned long au_length, real_length; 761133870Sambrisko unsigned char *au_cmd; 762269711Simp int *au_statusp; 763174544Sscottl int error; 764143121Sscottl struct amr_passthrough *ap; /* 60 bytes */ 765153409Sscottl int logical_drives_changed = 0; 76665245Smsmith 76765245Smsmith debug_called(1); 76865245Smsmith 769133870Sambrisko arg._p = (void *)addr; 770133870Sambrisko 771153409Sscottl error = 0; 772153409Sscottl dp = NULL; 773153409Sscottl ac = NULL; 774153409Sscottl ap = NULL; 775153409Sscottl 77651974Smsmith switch(cmd) { 77765245Smsmith 77865245Smsmith case AMR_IO_VERSION: 77965245Smsmith debug(1, "AMR_IO_VERSION"); 780133870Sambrisko *arg.result = AMR_IO_VERSION_NUMBER; 781133870Sambrisko return(0); 782133870Sambrisko 783133870Sambrisko#ifdef AMR_IO_COMMAND32 784133870Sambrisko /* 785133870Sambrisko * Accept ioctl-s from 32-bit binaries on non-32-bit 786133870Sambrisko * platforms, such as AMD. LSI's MEGAMGR utility is 787133870Sambrisko * the only example known today... -mi 788133870Sambrisko */ 789133870Sambrisko case AMR_IO_COMMAND32: 790133870Sambrisko debug(1, "AMR_IO_COMMAND32 0x%x", arg.au32->au_cmd[0]); 791133870Sambrisko au_cmd = arg.au32->au_cmd; 792133870Sambrisko au_buffer = (void *)(u_int64_t)arg.au32->au_buffer; 793133870Sambrisko au_length = arg.au32->au_length; 794133870Sambrisko au_statusp = &arg.au32->au_status; 79565245Smsmith break; 796133870Sambrisko#endif 79765245Smsmith 79865245Smsmith case AMR_IO_COMMAND: 799133870Sambrisko debug(1, "AMR_IO_COMMAND 0x%x", arg.au->au_cmd[0]); 800133870Sambrisko au_cmd = arg.au->au_cmd; 801133870Sambrisko au_buffer = (void *)arg.au->au_buffer; 802133870Sambrisko au_length = arg.au->au_length; 803133870Sambrisko au_statusp = &arg.au->au_status; 804133870Sambrisko break; 80565245Smsmith 806153409Sscottl case 0xc0046d00: 807153409Sscottl case 0xc06e6d00: /* Linux emulation */ 808158267Sambrisko { 809158267Sambrisko devclass_t devclass; 810158267Sambrisko struct amr_linux_ioctl ali; 811158267Sambrisko int adapter, error; 812153409Sscottl 813158267Sambrisko devclass = devclass_find("amr"); 814158267Sambrisko if (devclass == NULL) 815158267Sambrisko return (ENOENT); 816158267Sambrisko 817158267Sambrisko error = copyin(addr, &ali, sizeof(ali)); 818158267Sambrisko if (error) 819158267Sambrisko return (error); 820158267Sambrisko if (ali.ui.fcs.opcode == 0x82) 821158267Sambrisko adapter = 0; 822158267Sambrisko else 823158267Sambrisko adapter = (ali.ui.fcs.adapno) ^ 'm' << 8; 824158267Sambrisko 825158267Sambrisko sc = devclass_get_softc(devclass, adapter); 826158267Sambrisko if (sc == NULL) 827158267Sambrisko return (ENOENT); 828158267Sambrisko 829175622Sscottl return (amr_linux_ioctl_int(sc->amr_dev_t, cmd, addr, 0, td)); 830158267Sambrisko } 831133870Sambrisko default: 832133870Sambrisko debug(1, "unknown ioctl 0x%lx", cmd); 833133870Sambrisko return(ENOIOCTL); 834133870Sambrisko } 83565245Smsmith 836153409Sscottl if ((au_cmd[0] == FC_DEL_LOGDRV && au_cmd[1] == OP_DEL_LOGDRV) || /* delete */ 837153409Sscottl (au_cmd[0] == AMR_CMD_CONFIG && au_cmd[1] == 0x0d)) { /* create */ 838153409Sscottl if (sc->amr_allow_vol_config == 0) { 839153409Sscottl error = EPERM; 840153409Sscottl goto out; 841153409Sscottl } 842153409Sscottl logical_drives_changed = 1; 843153409Sscottl#ifdef LSI 844153409Sscottl if ((error = amr_prepare_ld_delete(sc)) != 0) 845153409Sscottl return (error); 846153409Sscottl#endif 847153409Sscottl } 84865245Smsmith 849133870Sambrisko /* handle inbound data buffer */ 850234501Sjhb real_length = amr_ioctl_buffer_length(au_length); 851240692Sjhb dp = malloc(real_length, M_AMR, M_WAITOK|M_ZERO); 852140688Sscottl if (au_length != 0 && au_cmd[0] != 0x06) { 853140340Sscottl if ((error = copyin(au_buffer, dp, au_length)) != 0) { 854174194Sscottl free(dp, M_AMR); 855140340Sscottl return (error); 856140340Sscottl } 857133870Sambrisko debug(2, "copyin %ld bytes from %p -> %p", au_length, au_buffer, dp); 858133870Sambrisko } 85965245Smsmith 860143488Sscottl /* Allocate this now before the mutex gets held */ 861143488Sscottl 862153409Sscottl mtx_lock(&sc->amr_list_lock); 863153409Sscottl while ((ac = amr_alloccmd(sc)) == NULL) 864153409Sscottl msleep(sc, &sc->amr_list_lock, PPAUSE, "amrioc", hz); 86565245Smsmith 866133870Sambrisko /* handle SCSI passthrough command */ 867133870Sambrisko if (au_cmd[0] == AMR_CMD_PASS) { 868140340Sscottl int len; 86965245Smsmith 870174544Sscottl ap = &ac->ac_ccb->ccb_pthru; 871174544Sscottl bzero(ap, sizeof(struct amr_passthrough)); 872174544Sscottl 873133870Sambrisko /* copy cdb */ 874140340Sscottl len = au_cmd[2]; 875143121Sscottl ap->ap_cdb_length = len; 876143121Sscottl bcopy(au_cmd + 3, ap->ap_cdb, len); 87765245Smsmith 878133870Sambrisko /* build passthrough */ 879143121Sscottl ap->ap_timeout = au_cmd[len + 3] & 0x07; 880143121Sscottl ap->ap_ars = (au_cmd[len + 3] & 0x08) ? 1 : 0; 881143121Sscottl ap->ap_islogical = (au_cmd[len + 3] & 0x80) ? 1 : 0; 882143121Sscottl ap->ap_logical_drive_no = au_cmd[len + 4]; 883143121Sscottl ap->ap_channel = au_cmd[len + 5]; 884143121Sscottl ap->ap_scsi_id = au_cmd[len + 6]; 885143121Sscottl ap->ap_request_sense_length = 14; 886143121Sscottl ap->ap_data_transfer_length = au_length; 887133870Sambrisko /* XXX what about the request-sense area? does the caller want it? */ 88865245Smsmith 889133870Sambrisko /* build command */ 890133870Sambrisko ac->ac_mailbox.mb_command = AMR_CMD_PASS; 891174544Sscottl ac->ac_flags = AMR_CMD_CCB; 89265245Smsmith 893133870Sambrisko } else { 894133870Sambrisko /* direct command to controller */ 895133870Sambrisko mbi = (struct amr_mailbox_ioctl *)&ac->ac_mailbox; 896105419Semoore 897133870Sambrisko /* copy pertinent mailbox items */ 898133870Sambrisko mbi->mb_command = au_cmd[0]; 899133870Sambrisko mbi->mb_channel = au_cmd[1]; 900133870Sambrisko mbi->mb_param = au_cmd[2]; 901133870Sambrisko mbi->mb_pad[0] = au_cmd[3]; 902133870Sambrisko mbi->mb_drive = au_cmd[4]; 903174544Sscottl ac->ac_flags = 0; 90451974Smsmith } 90551974Smsmith 906174544Sscottl /* build the command */ 907174544Sscottl ac->ac_data = dp; 908234501Sjhb ac->ac_length = real_length; 909174544Sscottl ac->ac_flags |= AMR_CMD_DATAIN|AMR_CMD_DATAOUT; 910153409Sscottl 911133870Sambrisko /* run the command */ 912157586Sscottl error = amr_wait_command(ac); 913157586Sscottl mtx_unlock(&sc->amr_list_lock); 914157586Sscottl if (error) 915133870Sambrisko goto out; 916133870Sambrisko 917133870Sambrisko /* copy out data and set status */ 918140340Sscottl if (au_length != 0) { 919133870Sambrisko error = copyout(dp, au_buffer, au_length); 920140340Sscottl } 921133870Sambrisko debug(2, "copyout %ld bytes from %p -> %p", au_length, dp, au_buffer); 922240692Sjhb debug(2, "%p status 0x%x", dp, ac->ac_status); 923133870Sambrisko *au_statusp = ac->ac_status; 924133870Sambrisko 925133870Sambriskoout: 926140340Sscottl /* 927140340Sscottl * At this point, we know that there is a lock held and that these 928140340Sscottl * objects have been allocated. 929140340Sscottl */ 930153409Sscottl mtx_lock(&sc->amr_list_lock); 931143488Sscottl if (ac != NULL) 932143488Sscottl amr_releasecmd(ac); 933153409Sscottl mtx_unlock(&sc->amr_list_lock); 934143488Sscottl if (dp != NULL) 935174194Sscottl free(dp, M_AMR); 936153409Sscottl 937153409Sscottl#ifndef LSI 938153409Sscottl if (logical_drives_changed) 939153409Sscottl amr_rescan_drives(dev); 940153409Sscottl#endif 941153409Sscottl 94265245Smsmith return(error); 94351974Smsmith} 94451974Smsmith 94551974Smsmith/******************************************************************************** 94651974Smsmith ******************************************************************************** 94751974Smsmith Command Wrappers 94851974Smsmith ******************************************************************************** 94951974Smsmith ********************************************************************************/ 95051974Smsmith 95151974Smsmith/******************************************************************************** 95251974Smsmith * Interrogate the controller for the operational parameters we require. 95351974Smsmith */ 95451974Smsmithstatic int 95551974Smsmithamr_query_controller(struct amr_softc *sc) 95651974Smsmith{ 95765245Smsmith struct amr_enquiry3 *aex; 95865245Smsmith struct amr_prodinfo *ap; 95965245Smsmith struct amr_enquiry *ae; 96065245Smsmith int ldrv; 961153409Sscottl int status; 96251974Smsmith 963106225Semoore /* 964106225Semoore * Greater than 10 byte cdb support 965106225Semoore */ 966106225Semoore sc->support_ext_cdb = amr_support_ext_cdb(sc); 967106225Semoore 968106225Semoore if(sc->support_ext_cdb) { 969106225Semoore debug(2,"supports extended CDBs."); 970106225Semoore } 971106225Semoore 97265245Smsmith /* 97365245Smsmith * Try to issue an ENQUIRY3 command 97465245Smsmith */ 97565245Smsmith if ((aex = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_ENQ3, 976153409Sscottl AMR_CONFIG_ENQ3_SOLICITED_FULL, &status)) != NULL) { 97751974Smsmith 97865245Smsmith /* 97965245Smsmith * Fetch current state of logical drives. 98065245Smsmith */ 98165245Smsmith for (ldrv = 0; ldrv < aex->ae_numldrives; ldrv++) { 98265245Smsmith sc->amr_drive[ldrv].al_size = aex->ae_drivesize[ldrv]; 98365245Smsmith sc->amr_drive[ldrv].al_state = aex->ae_drivestate[ldrv]; 98465245Smsmith sc->amr_drive[ldrv].al_properties = aex->ae_driveprop[ldrv]; 98565245Smsmith debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size, 98665245Smsmith sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties); 98751974Smsmith } 988174194Sscottl free(aex, M_AMR); 98958883Smsmith 99065245Smsmith /* 99165245Smsmith * Get product info for channel count. 99258883Smsmith */ 993153409Sscottl if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) == NULL) { 99465245Smsmith device_printf(sc->amr_dev, "can't obtain product data from controller\n"); 99565245Smsmith return(1); 99665245Smsmith } 99765245Smsmith sc->amr_maxdrives = 40; 99865245Smsmith sc->amr_maxchan = ap->ap_nschan; 99965245Smsmith sc->amr_maxio = ap->ap_maxio; 100065245Smsmith sc->amr_type |= AMR_TYPE_40LD; 1001174194Sscottl free(ap, M_AMR); 100258883Smsmith 1003153409Sscottl ap = amr_enquiry(sc, 0, FC_DEL_LOGDRV, OP_SUP_DEL_LOGDRV, 0, &status); 1004154156Sscottl if (ap != NULL) 1005174194Sscottl free(ap, M_AMR); 1006153409Sscottl if (!status) { 1007153409Sscottl sc->amr_ld_del_supported = 1; 1008153409Sscottl device_printf(sc->amr_dev, "delete logical drives supported by controller\n"); 1009153409Sscottl } 101065245Smsmith } else { 101165245Smsmith 101265245Smsmith /* failed, try the 8LD ENQUIRY commands */ 1013153409Sscottl if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) == NULL) { 1014153409Sscottl if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) == NULL) { 101565245Smsmith device_printf(sc->amr_dev, "can't obtain configuration data from controller\n"); 101665245Smsmith return(1); 101765245Smsmith } 101865245Smsmith ae->ae_signature = 0; 101951974Smsmith } 102065245Smsmith 102158883Smsmith /* 102265245Smsmith * Fetch current state of logical drives. 102358883Smsmith */ 102465245Smsmith for (ldrv = 0; ldrv < ae->ae_ldrv.al_numdrives; ldrv++) { 102565245Smsmith sc->amr_drive[ldrv].al_size = ae->ae_ldrv.al_size[ldrv]; 102665245Smsmith sc->amr_drive[ldrv].al_state = ae->ae_ldrv.al_state[ldrv]; 102765245Smsmith sc->amr_drive[ldrv].al_properties = ae->ae_ldrv.al_properties[ldrv]; 102865245Smsmith debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size, 102965245Smsmith sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties); 103051974Smsmith } 103165245Smsmith 103265245Smsmith sc->amr_maxdrives = 8; 103365245Smsmith sc->amr_maxchan = ae->ae_adapter.aa_channels; 103465245Smsmith sc->amr_maxio = ae->ae_adapter.aa_maxio; 1035174194Sscottl free(ae, M_AMR); 103651974Smsmith } 103765245Smsmith 103865245Smsmith /* 103965245Smsmith * Mark remaining drives as unused. 104065245Smsmith */ 104165245Smsmith for (; ldrv < AMR_MAXLD; ldrv++) 104265245Smsmith sc->amr_drive[ldrv].al_size = 0xffffffff; 104365245Smsmith 104465245Smsmith /* 104565245Smsmith * Cap the maximum number of outstanding I/Os. AMI's Linux driver doesn't trust 104665245Smsmith * the controller's reported value, and lockups have been seen when we do. 104765245Smsmith */ 104865245Smsmith sc->amr_maxio = imin(sc->amr_maxio, AMR_LIMITCMD); 104965245Smsmith 105051974Smsmith return(0); 105151974Smsmith} 105251974Smsmith 105351974Smsmith/******************************************************************************** 105451974Smsmith * Run a generic enquiry-style command. 105551974Smsmith */ 105651974Smsmithstatic void * 1057153409Sscottlamr_enquiry(struct amr_softc *sc, size_t bufsize, u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual, int *status) 105851974Smsmith{ 105951974Smsmith struct amr_command *ac; 106051974Smsmith void *result; 106151974Smsmith u_int8_t *mbox; 106251974Smsmith int error; 106351974Smsmith 106465245Smsmith debug_called(1); 106551974Smsmith 106651974Smsmith error = 1; 106751974Smsmith result = NULL; 106851974Smsmith 106951974Smsmith /* get ourselves a command buffer */ 1070153409Sscottl mtx_lock(&sc->amr_list_lock); 1071153409Sscottl ac = amr_alloccmd(sc); 1072153409Sscottl mtx_unlock(&sc->amr_list_lock); 1073153409Sscottl if (ac == NULL) 107451974Smsmith goto out; 107551974Smsmith /* allocate the response structure */ 1076174194Sscottl if ((result = malloc(bufsize, M_AMR, M_ZERO|M_NOWAIT)) == NULL) 107751974Smsmith goto out; 107865245Smsmith /* set command flags */ 1079138422Sscottl 1080135236Sscottl ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAIN; 108151974Smsmith 108265245Smsmith /* point the command at our data */ 108351974Smsmith ac->ac_data = result; 108451974Smsmith ac->ac_length = bufsize; 108551974Smsmith 108651974Smsmith /* build the command proper */ 108751974Smsmith mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */ 108851974Smsmith mbox[0] = cmd; 108951974Smsmith mbox[2] = cmdsub; 109051974Smsmith mbox[3] = cmdqual; 1091153409Sscottl *status = 0; 109251974Smsmith 109358883Smsmith /* can't assume that interrupts are going to work here, so play it safe */ 1094107756Semoore if (sc->amr_poll_command(ac)) 109551974Smsmith goto out; 109651974Smsmith error = ac->ac_status; 1097153409Sscottl *status = ac->ac_status; 109851974Smsmith 109951974Smsmith out: 1100153409Sscottl mtx_lock(&sc->amr_list_lock); 110151974Smsmith if (ac != NULL) 110251974Smsmith amr_releasecmd(ac); 1103153409Sscottl mtx_unlock(&sc->amr_list_lock); 110451974Smsmith if ((error != 0) && (result != NULL)) { 1105174194Sscottl free(result, M_AMR); 110651974Smsmith result = NULL; 110751974Smsmith } 110851974Smsmith return(result); 110951974Smsmith} 111051974Smsmith 111151974Smsmith/******************************************************************************** 111251974Smsmith * Flush the controller's internal cache, return status. 111351974Smsmith */ 111465245Smsmithint 111551974Smsmithamr_flush(struct amr_softc *sc) 111651974Smsmith{ 111751974Smsmith struct amr_command *ac; 111851974Smsmith int error; 111951974Smsmith 112051974Smsmith /* get ourselves a command buffer */ 112151974Smsmith error = 1; 1122153409Sscottl mtx_lock(&sc->amr_list_lock); 1123153409Sscottl ac = amr_alloccmd(sc); 1124153409Sscottl mtx_unlock(&sc->amr_list_lock); 1125153409Sscottl if (ac == NULL) 112651974Smsmith goto out; 112765245Smsmith /* set command flags */ 112851974Smsmith ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 112951974Smsmith 113051974Smsmith /* build the command proper */ 113151974Smsmith ac->ac_mailbox.mb_command = AMR_CMD_FLUSH; 113251974Smsmith 113358883Smsmith /* we have to poll, as the system may be going down or otherwise damaged */ 1134107756Semoore if (sc->amr_poll_command(ac)) 113551974Smsmith goto out; 113651974Smsmith error = ac->ac_status; 113751974Smsmith 113851974Smsmith out: 1139153409Sscottl mtx_lock(&sc->amr_list_lock); 114051974Smsmith if (ac != NULL) 114151974Smsmith amr_releasecmd(ac); 1142153409Sscottl mtx_unlock(&sc->amr_list_lock); 114351974Smsmith return(error); 114451974Smsmith} 114551974Smsmith 114651974Smsmith/******************************************************************************** 1147106225Semoore * Detect extented cdb >> greater than 10 byte cdb support 1148106225Semoore * returns '1' means this support exist 1149106225Semoore * returns '0' means this support doesn't exist 1150106225Semoore */ 1151106225Semoorestatic int 1152106225Semooreamr_support_ext_cdb(struct amr_softc *sc) 1153106225Semoore{ 1154106225Semoore struct amr_command *ac; 1155106225Semoore u_int8_t *mbox; 1156106225Semoore int error; 1157106225Semoore 1158106225Semoore /* get ourselves a command buffer */ 1159106225Semoore error = 0; 1160153409Sscottl mtx_lock(&sc->amr_list_lock); 1161153409Sscottl ac = amr_alloccmd(sc); 1162153409Sscottl mtx_unlock(&sc->amr_list_lock); 1163153409Sscottl if (ac == NULL) 1164106225Semoore goto out; 1165106225Semoore /* set command flags */ 1166106225Semoore ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 1167106225Semoore 1168106225Semoore /* build the command proper */ 1169106225Semoore mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */ 1170106225Semoore mbox[0] = 0xA4; 1171106225Semoore mbox[2] = 0x16; 1172106225Semoore 1173106225Semoore 1174106225Semoore /* we have to poll, as the system may be going down or otherwise damaged */ 1175107756Semoore if (sc->amr_poll_command(ac)) 1176106225Semoore goto out; 1177106225Semoore if( ac->ac_status == AMR_STATUS_SUCCESS ) { 1178106225Semoore error = 1; 1179106225Semoore } 1180106225Semoore 1181106225Semooreout: 1182153409Sscottl mtx_lock(&sc->amr_list_lock); 1183106225Semoore if (ac != NULL) 1184106225Semoore amr_releasecmd(ac); 1185153409Sscottl mtx_unlock(&sc->amr_list_lock); 1186106225Semoore return(error); 1187106225Semoore} 1188106225Semoore 1189106225Semoore/******************************************************************************** 119065245Smsmith * Try to find I/O work for the controller from one or more of the work queues. 119151974Smsmith * 119265245Smsmith * We make the assumption that if the controller is not ready to take a command 119365245Smsmith * at some given time, it will generate an interrupt at some later time when 119465245Smsmith * it is. 119551974Smsmith */ 119665245Smsmithvoid 119751974Smsmithamr_startio(struct amr_softc *sc) 119851974Smsmith{ 119951974Smsmith struct amr_command *ac; 120051974Smsmith 120151974Smsmith /* spin until something prevents us from doing any work */ 120251974Smsmith for (;;) { 120351974Smsmith 1204138422Sscottl /* Don't bother to queue commands no bounce buffers are available. */ 1205138422Sscottl if (sc->amr_state & AMR_STATE_QUEUE_FRZN) 1206138422Sscottl break; 1207138422Sscottl 120865245Smsmith /* try to get a ready command */ 120965245Smsmith ac = amr_dequeue_ready(sc); 121051974Smsmith 121165245Smsmith /* if that failed, build a command from a bio */ 121265245Smsmith if (ac == NULL) 121365245Smsmith (void)amr_bio_command(sc, &ac); 121451974Smsmith 121565245Smsmith /* if that failed, build a command from a ccb */ 1216184573Sscottl if ((ac == NULL) && (sc->amr_cam_command != NULL)) 1217184573Sscottl sc->amr_cam_command(sc, &ac); 1218105419Semoore 121965245Smsmith /* if we don't have anything to do, give up */ 122065245Smsmith if (ac == NULL) 122165245Smsmith break; 122251974Smsmith 122365245Smsmith /* try to give the command to the controller; if this fails save it for later and give up */ 122465245Smsmith if (amr_start(ac)) { 122565245Smsmith debug(2, "controller busy, command deferred"); 122665245Smsmith amr_requeue_ready(ac); /* XXX schedule retry very soon? */ 122765245Smsmith break; 122851974Smsmith } 122951974Smsmith } 123051974Smsmith} 123151974Smsmith 123251974Smsmith/******************************************************************************** 123351974Smsmith * Handle completion of an I/O command. 123451974Smsmith */ 123551974Smsmithstatic void 123651974Smsmithamr_completeio(struct amr_command *ac) 123751974Smsmith{ 1238153409Sscottl struct amrd_softc *sc = ac->ac_bio->bio_disk->d_drv1; 1239153409Sscottl static struct timeval lastfail; 1240153409Sscottl static int curfail; 1241140340Sscottl 124251974Smsmith if (ac->ac_status != AMR_STATUS_SUCCESS) { /* could be more verbose here? */ 124365245Smsmith ac->ac_bio->bio_error = EIO; 124465245Smsmith ac->ac_bio->bio_flags |= BIO_ERROR; 124551974Smsmith 1246153409Sscottl if (ppsratecheck(&lastfail, &curfail, 1)) 1247153409Sscottl device_printf(sc->amrd_dev, "I/O error - 0x%x\n", ac->ac_status); 124865245Smsmith/* amr_printcommand(ac);*/ 124951974Smsmith } 125065245Smsmith amrd_intr(ac->ac_bio); 1251153409Sscottl mtx_lock(&ac->ac_sc->amr_list_lock); 125265245Smsmith amr_releasecmd(ac); 1253153409Sscottl mtx_unlock(&ac->ac_sc->amr_list_lock); 125451974Smsmith} 125551974Smsmith 125651974Smsmith/******************************************************************************** 125751974Smsmith ******************************************************************************** 125851974Smsmith Command Processing 125951974Smsmith ******************************************************************************** 126051974Smsmith ********************************************************************************/ 126151974Smsmith 126251974Smsmith/******************************************************************************** 126365245Smsmith * Convert a bio off the top of the bio queue into a command. 126465245Smsmith */ 126565245Smsmithstatic int 126665245Smsmithamr_bio_command(struct amr_softc *sc, struct amr_command **acp) 126765245Smsmith{ 126865245Smsmith struct amr_command *ac; 126965245Smsmith struct amrd_softc *amrd; 127065245Smsmith struct bio *bio; 127165245Smsmith int error; 127265245Smsmith int blkcount; 127365245Smsmith int driveno; 127465245Smsmith int cmd; 127565245Smsmith 1276175622Sscottl ac = NULL; 127765245Smsmith error = 0; 127865245Smsmith 1279140340Sscottl /* get a command */ 1280140340Sscottl if ((ac = amr_alloccmd(sc)) == NULL) 1281140340Sscottl return (ENOMEM); 1282140340Sscottl 128365245Smsmith /* get a bio to work on */ 1284140340Sscottl if ((bio = amr_dequeue_bio(sc)) == NULL) { 1285140340Sscottl amr_releasecmd(ac); 1286140340Sscottl return (0); 1287140340Sscottl } 128865245Smsmith 128965245Smsmith /* connect the bio to the command */ 129065245Smsmith ac->ac_complete = amr_completeio; 129165245Smsmith ac->ac_bio = bio; 129265245Smsmith ac->ac_data = bio->bio_data; 129365245Smsmith ac->ac_length = bio->bio_bcount; 1294163834Spjd cmd = 0; 1295163834Spjd switch (bio->bio_cmd) { 1296163834Spjd case BIO_READ: 129765245Smsmith ac->ac_flags |= AMR_CMD_DATAIN; 1298153409Sscottl if (AMR_IS_SG64(sc)) { 1299153409Sscottl cmd = AMR_CMD_LREAD64; 1300153409Sscottl ac->ac_flags |= AMR_CMD_SG64; 1301153409Sscottl } else 1302153409Sscottl cmd = AMR_CMD_LREAD; 1303163834Spjd break; 1304163834Spjd case BIO_WRITE: 130565245Smsmith ac->ac_flags |= AMR_CMD_DATAOUT; 1306153409Sscottl if (AMR_IS_SG64(sc)) { 1307153409Sscottl cmd = AMR_CMD_LWRITE64; 1308153409Sscottl ac->ac_flags |= AMR_CMD_SG64; 1309153409Sscottl } else 1310153409Sscottl cmd = AMR_CMD_LWRITE; 1311163834Spjd break; 1312163834Spjd case BIO_FLUSH: 1313163834Spjd ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 1314163834Spjd cmd = AMR_CMD_FLUSH; 1315163834Spjd break; 131665245Smsmith } 1317111441Sphk amrd = (struct amrd_softc *)bio->bio_disk->d_drv1; 131865245Smsmith driveno = amrd->amrd_drive - sc->amr_drive; 1319298646Spfg blkcount = howmany(bio->bio_bcount, AMR_BLKSIZE); 132065245Smsmith 132165245Smsmith ac->ac_mailbox.mb_command = cmd; 1322296592Simp if (bio->bio_cmd == BIO_READ || bio->bio_cmd == BIO_WRITE) { 1323163834Spjd ac->ac_mailbox.mb_blkcount = blkcount; 1324163834Spjd ac->ac_mailbox.mb_lba = bio->bio_pblkno; 1325163834Spjd if ((bio->bio_pblkno + blkcount) > sc->amr_drive[driveno].al_size) { 1326163834Spjd device_printf(sc->amr_dev, 1327163834Spjd "I/O beyond end of unit (%lld,%d > %lu)\n", 1328163834Spjd (long long)bio->bio_pblkno, blkcount, 1329163834Spjd (u_long)sc->amr_drive[driveno].al_size); 1330163834Spjd } 1331163834Spjd } 133265245Smsmith ac->ac_mailbox.mb_drive = driveno; 1333153409Sscottl if (sc->amr_state & AMR_STATE_REMAP_LD) 1334153409Sscottl ac->ac_mailbox.mb_drive |= 0x80; 1335153409Sscottl 133665245Smsmith /* we fill in the s/g related data when the command is mapped */ 133765245Smsmith 1338175622Sscottl 133965245Smsmith *acp = ac; 134065245Smsmith return(error); 134165245Smsmith} 134265245Smsmith 134365245Smsmith/******************************************************************************** 134451974Smsmith * Take a command, submit it to the controller and sleep until it completes 134551974Smsmith * or fails. Interrupts must be enabled, returns nonzero on error. 134651974Smsmith */ 134751974Smsmithstatic int 134851974Smsmithamr_wait_command(struct amr_command *ac) 134951974Smsmith{ 1350148498Sps int error = 0; 1351157585Sps struct amr_softc *sc = ac->ac_sc; 1352157585Sps 135365245Smsmith debug_called(1); 135451974Smsmith 135551974Smsmith ac->ac_complete = NULL; 135665245Smsmith ac->ac_flags |= AMR_CMD_SLEEP; 1357153409Sscottl if ((error = amr_start(ac)) != 0) { 135851974Smsmith return(error); 1359153409Sscottl } 136051974Smsmith 1361148498Sps while ((ac->ac_flags & AMR_CMD_BUSY) && (error != EWOULDBLOCK)) { 1362157586Sscottl error = msleep(ac,&sc->amr_list_lock, PRIBIO, "amrwcmd", 0); 136351974Smsmith } 1364157585Sps 1365148498Sps return(error); 136651974Smsmith} 136751974Smsmith 136851974Smsmith/******************************************************************************** 136951974Smsmith * Take a command, submit it to the controller and busy-wait for it to return. 137051974Smsmith * Returns nonzero on error. Can be safely called with interrupts enabled. 137151974Smsmith */ 137251974Smsmithstatic int 1373107756Semooreamr_std_poll_command(struct amr_command *ac) 137451974Smsmith{ 137551974Smsmith struct amr_softc *sc = ac->ac_sc; 137665245Smsmith int error, count; 137751974Smsmith 137865245Smsmith debug_called(2); 137951974Smsmith 138051974Smsmith ac->ac_complete = NULL; 138151974Smsmith if ((error = amr_start(ac)) != 0) 138251974Smsmith return(error); 138351974Smsmith 138451974Smsmith count = 0; 138551974Smsmith do { 138651974Smsmith /* 138751974Smsmith * Poll for completion, although the interrupt handler may beat us to it. 138851974Smsmith * Note that the timeout here is somewhat arbitrary. 138951974Smsmith */ 139051974Smsmith amr_done(sc); 139165245Smsmith DELAY(1000); 139265245Smsmith } while ((ac->ac_flags & AMR_CMD_BUSY) && (count++ < 1000)); 139365245Smsmith if (!(ac->ac_flags & AMR_CMD_BUSY)) { 139451974Smsmith error = 0; 139551974Smsmith } else { 139665245Smsmith /* XXX the slot is now marked permanently busy */ 139751974Smsmith error = EIO; 139865245Smsmith device_printf(sc->amr_dev, "polled command timeout\n"); 139951974Smsmith } 140051974Smsmith return(error); 140151974Smsmith} 140251974Smsmith 1403138422Sscottlstatic void 1404138422Sscottlamr_setup_polled_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err) 1405138422Sscottl{ 1406138422Sscottl struct amr_command *ac = arg; 1407138422Sscottl struct amr_softc *sc = ac->ac_sc; 1408174544Sscottl int mb_channel; 1409138422Sscottl 1410175622Sscottl if (err) { 1411175622Sscottl device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__); 1412175622Sscottl ac->ac_status = AMR_STATUS_ABORTED; 1413175622Sscottl return; 1414175622Sscottl } 1415175622Sscottl 1416174544Sscottl amr_setup_sg(arg, segs, nsegs, err); 1417153409Sscottl 1418174544Sscottl /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */ 1419174544Sscottl mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel; 1420174544Sscottl if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG && 1421174544Sscottl ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) || 1422174544Sscottl (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG))) 1423174544Sscottl ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments; 1424174544Sscottl 1425174544Sscottl ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments; 1426174544Sscottl ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr; 1427153409Sscottl if (AC_IS_SG64(ac)) { 1428174544Sscottl ac->ac_sg64_hi = 0; 1429174544Sscottl ac->ac_sg64_lo = ac->ac_sgbusaddr; 1430147536Sps } 1431174544Sscottl 1432138422Sscottl sc->amr_poll_command1(sc, ac); 1433138422Sscottl} 1434138422Sscottl 143551974Smsmith/******************************************************************************** 1436107756Semoore * Take a command, submit it to the controller and busy-wait for it to return. 1437107756Semoore * Returns nonzero on error. Can be safely called with interrupts enabled. 1438107756Semoore */ 1439107756Semoorestatic int 1440107756Semooreamr_quartz_poll_command(struct amr_command *ac) 1441107756Semoore{ 1442107756Semoore struct amr_softc *sc = ac->ac_sc; 1443152119Sscottl int error; 1444107756Semoore 1445107756Semoore debug_called(2); 1446107756Semoore 1447138422Sscottl error = 0; 1448138422Sscottl 1449153409Sscottl if (AC_IS_SG64(ac)) { 1450174544Sscottl ac->ac_tag = sc->amr_buffer64_dmat; 1451174544Sscottl ac->ac_datamap = ac->ac_dma64map; 1452153409Sscottl } else { 1453174544Sscottl ac->ac_tag = sc->amr_buffer_dmat; 1454174544Sscottl ac->ac_datamap = ac->ac_dmamap; 1455153409Sscottl } 1456153409Sscottl 1457107756Semoore /* now we have a slot, we can map the command (unmapped in amr_complete) */ 1458138422Sscottl if (ac->ac_data != 0) { 1459174544Sscottl if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data, 1460174544Sscottl ac->ac_length, amr_setup_polled_dmamap, ac, BUS_DMA_NOWAIT) != 0) { 1461138422Sscottl error = 1; 1462138422Sscottl } 1463138422Sscottl } else { 1464138422Sscottl error = amr_quartz_poll_command1(sc, ac); 1465138422Sscottl } 1466107756Semoore 1467138422Sscottl return (error); 1468138422Sscottl} 1469107756Semoore 1470138422Sscottlstatic int 1471138422Sscottlamr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac) 1472138422Sscottl{ 1473138422Sscottl int count, error; 1474138422Sscottl 1475153409Sscottl mtx_lock(&sc->amr_hw_lock); 1476140688Sscottl if ((sc->amr_state & AMR_STATE_INTEN) == 0) { 1477120988Sps count=0; 1478120988Sps while (sc->amr_busyslots) { 1479153409Sscottl msleep(sc, &sc->amr_hw_lock, PRIBIO | PCATCH, "amrpoll", hz); 1480120988Sps if(count++>10) { 1481120988Sps break; 1482120988Sps } 1483109031Semoore } 1484109031Semoore 1485120988Sps if(sc->amr_busyslots) { 1486120988Sps device_printf(sc->amr_dev, "adapter is busy\n"); 1487153409Sscottl mtx_unlock(&sc->amr_hw_lock); 1488153409Sscottl if (ac->ac_data != NULL) { 1489174544Sscottl bus_dmamap_unload(ac->ac_tag, ac->ac_datamap); 1490153409Sscottl } 1491120988Sps ac->ac_status=0; 1492120988Sps return(1); 1493120988Sps } 1494107756Semoore } 1495107756Semoore 1496107756Semoore bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE); 1497107756Semoore 1498107756Semoore /* clear the poll/ack fields in the mailbox */ 1499107756Semoore sc->amr_mailbox->mb_ident = 0xFE; 1500107756Semoore sc->amr_mailbox->mb_nstatus = 0xFF; 1501107756Semoore sc->amr_mailbox->mb_status = 0xFF; 1502107756Semoore sc->amr_mailbox->mb_poll = 0; 1503107756Semoore sc->amr_mailbox->mb_ack = 0; 1504109031Semoore sc->amr_mailbox->mb_busy = 1; 1505107756Semoore 1506107756Semoore AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT); 1507107756Semoore 1508155222Sps while(sc->amr_mailbox->mb_nstatus == 0xFF) 1509155222Sps DELAY(1); 1510155222Sps while(sc->amr_mailbox->mb_status == 0xFF) 1511155222Sps DELAY(1); 1512107827Semoore ac->ac_status=sc->amr_mailbox->mb_status; 1513107827Semoore error = (ac->ac_status !=AMR_STATUS_SUCCESS) ? 1:0; 1514155222Sps while(sc->amr_mailbox->mb_poll != 0x77) 1515155222Sps DELAY(1); 1516107756Semoore sc->amr_mailbox->mb_poll = 0; 1517107756Semoore sc->amr_mailbox->mb_ack = 0x77; 1518107756Semoore 1519107756Semoore /* acknowledge that we have the commands */ 1520107756Semoore AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK); 1521155222Sps while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK) 1522155222Sps DELAY(1); 1523153409Sscottl mtx_unlock(&sc->amr_hw_lock); 1524107756Semoore 1525107756Semoore /* unmap the command's data buffer */ 1526147536Sps if (ac->ac_flags & AMR_CMD_DATAIN) { 1527174544Sscottl bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTREAD); 1528147536Sps } 1529147536Sps if (ac->ac_flags & AMR_CMD_DATAOUT) { 1530174544Sscottl bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTWRITE); 1531147536Sps } 1532174544Sscottl bus_dmamap_unload(ac->ac_tag, ac->ac_datamap); 1533107756Semoore 1534107827Semoore return(error); 1535107756Semoore} 1536107756Semoore 1537153409Sscottlstatic __inline int 1538153409Sscottlamr_freeslot(struct amr_command *ac) 153951974Smsmith{ 1540153409Sscottl struct amr_softc *sc = ac->ac_sc; 1541153409Sscottl int slot; 154251974Smsmith 154365245Smsmith debug_called(3); 154465245Smsmith 1545140340Sscottl slot = ac->ac_slot; 1546153409Sscottl if (sc->amr_busycmd[slot] == NULL) 1547153409Sscottl panic("amr: slot %d not busy?\n", slot); 154865245Smsmith 1549153409Sscottl sc->amr_busycmd[slot] = NULL; 1550153409Sscottl atomic_subtract_int(&sc->amr_busyslots, 1); 155151974Smsmith 1552140340Sscottl return (0); 155351974Smsmith} 155451974Smsmith 155551974Smsmith/******************************************************************************** 155665245Smsmith * Map/unmap (ac)'s data in the controller's addressable space as required. 155765245Smsmith * 155865245Smsmith * These functions may be safely called multiple times on a given command. 155951974Smsmith */ 156051974Smsmithstatic void 1561174544Sscottlamr_setup_sg(void *arg, bus_dma_segment_t *segs, int nsegments, int error) 156251974Smsmith{ 156351974Smsmith struct amr_command *ac = (struct amr_command *)arg; 156451974Smsmith struct amr_sgentry *sg; 1565174544Sscottl struct amr_sg64entry *sg64; 1566174544Sscottl int flags, i; 156751974Smsmith 156865245Smsmith debug_called(3); 156951974Smsmith 1570153409Sscottl /* get base address of s/g table */ 1571153409Sscottl sg = ac->ac_sg.sg32; 1572174544Sscottl sg64 = ac->ac_sg.sg64; 157365245Smsmith 1574174544Sscottl if (AC_IS_SG64(ac)) { 1575174544Sscottl ac->ac_nsegments = nsegments; 1576174544Sscottl ac->ac_mb_physaddr = 0xffffffff; 1577174544Sscottl for (i = 0; i < nsegments; i++, sg64++) { 1578174544Sscottl sg64->sg_addr = segs[i].ds_addr; 1579174544Sscottl sg64->sg_count = segs[i].ds_len; 1580106225Semoore } 1581105419Semoore } else { 1582174544Sscottl /* decide whether we need to populate the s/g table */ 1583106225Semoore if (nsegments < 2) { 1584174544Sscottl ac->ac_nsegments = 0; 1585174544Sscottl ac->ac_mb_physaddr = segs[0].ds_addr; 1586106225Semoore } else { 1587174544Sscottl ac->ac_nsegments = nsegments; 1588174544Sscottl ac->ac_mb_physaddr = ac->ac_sgbusaddr; 1589106225Semoore for (i = 0; i < nsegments; i++, sg++) { 1590105419Semoore sg->sg_addr = segs[i].ds_addr; 1591105419Semoore sg->sg_count = segs[i].ds_len; 1592106225Semoore } 1593105419Semoore } 1594105419Semoore } 1595138422Sscottl 1596174544Sscottl flags = 0; 1597138422Sscottl if (ac->ac_flags & AMR_CMD_DATAIN) 1598174544Sscottl flags |= BUS_DMASYNC_PREREAD; 1599138422Sscottl if (ac->ac_flags & AMR_CMD_DATAOUT) 1600174544Sscottl flags |= BUS_DMASYNC_PREWRITE; 1601174544Sscottl bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flags); 1602138422Sscottl ac->ac_flags |= AMR_CMD_MAPPED; 160351974Smsmith} 160451974Smsmith 1605153409Sscottlstatic void 1606174544Sscottlamr_setup_data(void *arg, bus_dma_segment_t *segs, int nsegs, int err) 1607153409Sscottl{ 1608174544Sscottl struct amr_command *ac = arg; 1609174544Sscottl struct amr_softc *sc = ac->ac_sc; 1610174544Sscottl int mb_channel; 1611153409Sscottl 1612175622Sscottl if (err) { 1613175622Sscottl device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__); 1614175622Sscottl amr_abort_load(ac); 1615175622Sscottl return; 1616175622Sscottl } 1617175622Sscottl 1618174544Sscottl amr_setup_sg(arg, segs, nsegs, err); 1619153409Sscottl 1620174544Sscottl /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */ 1621174544Sscottl mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel; 1622174544Sscottl if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG && 1623174544Sscottl ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) || 1624174544Sscottl (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG))) 1625174544Sscottl ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments; 1626174544Sscottl 1627174544Sscottl ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments; 1628174544Sscottl ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr; 1629174544Sscottl if (AC_IS_SG64(ac)) { 1630174544Sscottl ac->ac_sg64_hi = 0; 1631174544Sscottl ac->ac_sg64_lo = ac->ac_sgbusaddr; 1632153409Sscottl } 1633153409Sscottl 1634155222Sps if (sc->amr_submit_command(ac) == EBUSY) { 1635153409Sscottl amr_freeslot(ac); 1636153409Sscottl amr_requeue_ready(ac); 1637153409Sscottl } 1638153409Sscottl} 1639174544Sscottl 1640160443Sjhbstatic void 1641174544Sscottlamr_setup_ccb(void *arg, bus_dma_segment_t *segs, int nsegs, int err) 1642160443Sjhb{ 1643174544Sscottl struct amr_command *ac = arg; 1644174544Sscottl struct amr_softc *sc = ac->ac_sc; 1645174544Sscottl struct amr_passthrough *ap = &ac->ac_ccb->ccb_pthru; 1646174544Sscottl struct amr_ext_passthrough *aep = &ac->ac_ccb->ccb_epthru; 1647160443Sjhb 1648175622Sscottl if (err) { 1649175622Sscottl device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__); 1650175622Sscottl amr_abort_load(ac); 1651175622Sscottl return; 1652175622Sscottl } 1653175622Sscottl 1654174544Sscottl /* Set up the mailbox portion of the command to point at the ccb */ 1655174544Sscottl ac->ac_mailbox.mb_nsgelem = 0; 1656174544Sscottl ac->ac_mailbox.mb_physaddr = ac->ac_ccb_busaddr; 1657160443Sjhb 1658174544Sscottl amr_setup_sg(arg, segs, nsegs, err); 1659174544Sscottl 1660174544Sscottl switch (ac->ac_mailbox.mb_command) { 1661174544Sscottl case AMR_CMD_EXTPASS: 1662174544Sscottl aep->ap_no_sg_elements = ac->ac_nsegments; 1663174544Sscottl aep->ap_data_transfer_address = ac->ac_mb_physaddr; 1664174544Sscottl break; 1665174544Sscottl case AMR_CMD_PASS: 1666174544Sscottl ap->ap_no_sg_elements = ac->ac_nsegments; 1667174544Sscottl ap->ap_data_transfer_address = ac->ac_mb_physaddr; 1668174544Sscottl break; 1669174544Sscottl default: 1670174544Sscottl panic("Unknown ccb command"); 1671160443Sjhb } 1672160443Sjhb 1673174544Sscottl if (sc->amr_submit_command(ac) == EBUSY) { 1674174544Sscottl amr_freeslot(ac); 1675174544Sscottl amr_requeue_ready(ac); 1676160443Sjhb } 1677160443Sjhb} 1678160443Sjhb 1679138422Sscottlstatic int 168051974Smsmithamr_mapcmd(struct amr_command *ac) 168151974Smsmith{ 1682153409Sscottl bus_dmamap_callback_t *cb; 168351974Smsmith struct amr_softc *sc = ac->ac_sc; 168451974Smsmith 168569319Smsmith debug_called(3); 168651974Smsmith 1687153409Sscottl if (AC_IS_SG64(ac)) { 1688174544Sscottl ac->ac_tag = sc->amr_buffer64_dmat; 1689174544Sscottl ac->ac_datamap = ac->ac_dma64map; 1690153409Sscottl } else { 1691174544Sscottl ac->ac_tag = sc->amr_buffer_dmat; 1692174544Sscottl ac->ac_datamap = ac->ac_dmamap; 1693153409Sscottl } 1694153409Sscottl 1695174544Sscottl if (ac->ac_flags & AMR_CMD_CCB) 1696174544Sscottl cb = amr_setup_ccb; 1697174544Sscottl else 1698174544Sscottl cb = amr_setup_data; 1699174544Sscottl 170065245Smsmith /* if the command involves data at all, and hasn't been mapped */ 1701138422Sscottl if ((ac->ac_flags & AMR_CMD_MAPPED) == 0 && (ac->ac_data != NULL)) { 1702160443Sjhb /* map the data buffers into bus space and build the s/g list */ 1703174544Sscottl if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data, 1704174544Sscottl ac->ac_length, cb, ac, 0) == EINPROGRESS) { 1705160443Sjhb sc->amr_state |= AMR_STATE_QUEUE_FRZN; 1706160443Sjhb } 1707153409Sscottl } else { 1708155222Sps if (sc->amr_submit_command(ac) == EBUSY) { 1709153409Sscottl amr_freeslot(ac); 1710153409Sscottl amr_requeue_ready(ac); 1711153409Sscottl } 1712143121Sscottl } 1713143121Sscottl 1714138422Sscottl return (0); 171551974Smsmith} 171651974Smsmith 171751974Smsmithstatic void 171851974Smsmithamr_unmapcmd(struct amr_command *ac) 171951974Smsmith{ 1720153409Sscottl int flag; 172151974Smsmith 172269319Smsmith debug_called(3); 172351974Smsmith 172465245Smsmith /* if the command involved data at all and was mapped */ 172565245Smsmith if (ac->ac_flags & AMR_CMD_MAPPED) { 172651974Smsmith 172765245Smsmith if (ac->ac_data != NULL) { 1728153409Sscottl 1729153409Sscottl flag = 0; 173065245Smsmith if (ac->ac_flags & AMR_CMD_DATAIN) 1731153409Sscottl flag |= BUS_DMASYNC_POSTREAD; 173265245Smsmith if (ac->ac_flags & AMR_CMD_DATAOUT) 1733153409Sscottl flag |= BUS_DMASYNC_POSTWRITE; 1734153409Sscottl 1735174544Sscottl bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flag); 1736174544Sscottl bus_dmamap_unload(ac->ac_tag, ac->ac_datamap); 173765245Smsmith } 173865245Smsmith 173965245Smsmith ac->ac_flags &= ~AMR_CMD_MAPPED; 174051974Smsmith } 174151974Smsmith} 174251974Smsmith 1743175622Sscottlstatic void 1744175622Sscottlamr_abort_load(struct amr_command *ac) 1745175622Sscottl{ 1746175622Sscottl ac_qhead_t head; 1747175622Sscottl struct amr_softc *sc = ac->ac_sc; 1748175622Sscottl 1749175622Sscottl mtx_assert(&sc->amr_list_lock, MA_OWNED); 1750175622Sscottl 1751175622Sscottl ac->ac_status = AMR_STATUS_ABORTED; 1752175622Sscottl amr_init_qhead(&head); 1753175622Sscottl amr_enqueue_completed(ac, &head); 1754175622Sscottl 1755175622Sscottl mtx_unlock(&sc->amr_list_lock); 1756175622Sscottl amr_complete(sc, &head); 1757175622Sscottl mtx_lock(&sc->amr_list_lock); 1758175622Sscottl} 1759175622Sscottl 176051974Smsmith/******************************************************************************** 176165245Smsmith * Take a command and give it to the controller, returns 0 if successful, or 176265245Smsmith * EBUSY if the command should be retried later. 176351974Smsmith */ 176451974Smsmithstatic int 176551974Smsmithamr_start(struct amr_command *ac) 176651974Smsmith{ 1767138422Sscottl struct amr_softc *sc; 1768138422Sscottl int error = 0; 1769153409Sscottl int slot; 1770105419Semoore 177169319Smsmith debug_called(3); 177251974Smsmith 177365245Smsmith /* mark command as busy so that polling consumer can tell */ 1774138422Sscottl sc = ac->ac_sc; 177565245Smsmith ac->ac_flags |= AMR_CMD_BUSY; 177665245Smsmith 177765245Smsmith /* get a command slot (freed in amr_done) */ 1778153409Sscottl slot = ac->ac_slot; 1779153409Sscottl if (sc->amr_busycmd[slot] != NULL) 1780153409Sscottl panic("amr: slot %d busy?\n", slot); 1781153409Sscottl sc->amr_busycmd[slot] = ac; 1782153409Sscottl atomic_add_int(&sc->amr_busyslots, 1); 178365245Smsmith 1784138422Sscottl /* Now we have a slot, we can map the command (unmapped in amr_complete). */ 1785138422Sscottl if ((error = amr_mapcmd(ac)) == ENOMEM) { 1786138422Sscottl /* 1787298955Spfg * Memory resources are short, so free the slot and let this be tried 1788138422Sscottl * later. 1789138422Sscottl */ 1790153409Sscottl amr_freeslot(ac); 1791138422Sscottl } 179265245Smsmith 1793138422Sscottl return (error); 1794138422Sscottl} 1795138422Sscottl 179651974Smsmith/******************************************************************************** 179751974Smsmith * Extract one or more completed commands from the controller (sc) 179851974Smsmith * 179952543Smsmith * Returns nonzero if any commands on the work queue were marked as completed. 180051974Smsmith */ 1801140340Sscottl 180265245Smsmithint 180351974Smsmithamr_done(struct amr_softc *sc) 180451974Smsmith{ 1805175622Sscottl ac_qhead_t head; 180651974Smsmith struct amr_command *ac; 180751974Smsmith struct amr_mailbox mbox; 180865245Smsmith int i, idx, result; 180951974Smsmith 181069319Smsmith debug_called(3); 181151974Smsmith 181251974Smsmith /* See if there's anything for us to do */ 181351974Smsmith result = 0; 1814175622Sscottl amr_init_qhead(&head); 181551974Smsmith 181658883Smsmith /* loop collecting completed commands */ 181758883Smsmith for (;;) { 181858883Smsmith /* poll for a completed command's identifier and status */ 181958883Smsmith if (sc->amr_get_work(sc, &mbox)) { 182058883Smsmith result = 1; 182158883Smsmith 182258883Smsmith /* iterate over completed commands in this result */ 182358883Smsmith for (i = 0; i < mbox.mb_nstatus; i++) { 182458883Smsmith /* get pointer to busy command */ 182558883Smsmith idx = mbox.mb_completed[i] - 1; 182658883Smsmith ac = sc->amr_busycmd[idx]; 182751974Smsmith 182858883Smsmith /* really a busy command? */ 182958883Smsmith if (ac != NULL) { 183058883Smsmith 183158883Smsmith /* pull the command from the busy index */ 1832153409Sscottl amr_freeslot(ac); 183351974Smsmith 183465245Smsmith /* save status for later use */ 183565245Smsmith ac->ac_status = mbox.mb_status; 1836175622Sscottl amr_enqueue_completed(ac, &head); 183765245Smsmith debug(3, "completed command with status %x", mbox.mb_status); 183865245Smsmith } else { 183965245Smsmith device_printf(sc->amr_dev, "bad slot %d completed\n", idx); 184051974Smsmith } 184151974Smsmith } 1842153409Sscottl } else 184365245Smsmith break; /* no work */ 184451974Smsmith } 1845138422Sscottl 184658883Smsmith /* handle completion and timeouts */ 1847175622Sscottl amr_complete(sc, &head); 1848138422Sscottl 184951974Smsmith return(result); 185051974Smsmith} 185151974Smsmith 185251974Smsmith/******************************************************************************** 185351974Smsmith * Do completion processing on done commands on (sc) 185451974Smsmith */ 1855140340Sscottl 185651974Smsmithstatic void 1857175622Sscottlamr_complete(void *context, ac_qhead_t *head) 185851974Smsmith{ 185965245Smsmith struct amr_softc *sc = (struct amr_softc *)context; 186065245Smsmith struct amr_command *ac; 186151974Smsmith 186269319Smsmith debug_called(3); 186351974Smsmith 186465245Smsmith /* pull completed commands off the queue */ 186565245Smsmith for (;;) { 1866175622Sscottl ac = amr_dequeue_completed(sc, head); 186765245Smsmith if (ac == NULL) 186865245Smsmith break; 186958883Smsmith 187065245Smsmith /* unmap the command's data buffer */ 187165245Smsmith amr_unmapcmd(ac); 187251974Smsmith 187365245Smsmith /* 187465245Smsmith * Is there a completion handler? 187565245Smsmith */ 187665245Smsmith if (ac->ac_complete != NULL) { 1877157585Sps /* unbusy the command */ 1878157585Sps ac->ac_flags &= ~AMR_CMD_BUSY; 187965245Smsmith ac->ac_complete(ac); 188065245Smsmith 188151974Smsmith /* 188265245Smsmith * Is someone sleeping on this one? 188351974Smsmith */ 1884157585Sps } else { 1885157586Sscottl mtx_lock(&sc->amr_list_lock); 1886157585Sps ac->ac_flags &= ~AMR_CMD_BUSY; 1887157586Sscottl if (ac->ac_flags & AMR_CMD_SLEEP) { 1888157586Sscottl /* unbusy the command */ 1889157586Sscottl wakeup(ac); 1890157586Sscottl } 1891157586Sscottl mtx_unlock(&sc->amr_list_lock); 1892157586Sscottl } 1893109031Semoore 1894109031Semoore if(!sc->amr_busyslots) { 1895109031Semoore wakeup(sc); 1896109031Semoore } 189751974Smsmith } 1898140340Sscottl 1899153409Sscottl mtx_lock(&sc->amr_list_lock); 1900140340Sscottl sc->amr_state &= ~AMR_STATE_QUEUE_FRZN; 1901140340Sscottl amr_startio(sc); 1902153409Sscottl mtx_unlock(&sc->amr_list_lock); 190351974Smsmith} 190451974Smsmith 190551974Smsmith/******************************************************************************** 190651974Smsmith ******************************************************************************** 190751974Smsmith Command Buffer Management 190851974Smsmith ******************************************************************************** 190951974Smsmith ********************************************************************************/ 191051974Smsmith 191151974Smsmith/******************************************************************************** 191251974Smsmith * Get a new command buffer. 191351974Smsmith * 191451974Smsmith * This may return NULL in low-memory cases. 191551974Smsmith * 191651974Smsmith * If possible, we recycle a command buffer that's been used before. 191751974Smsmith */ 191865245Smsmithstruct amr_command * 191951974Smsmithamr_alloccmd(struct amr_softc *sc) 192051974Smsmith{ 192151974Smsmith struct amr_command *ac; 192251974Smsmith 192365245Smsmith debug_called(3); 192451974Smsmith 192565245Smsmith ac = amr_dequeue_free(sc); 192651974Smsmith if (ac == NULL) { 1927140340Sscottl sc->amr_state |= AMR_STATE_QUEUE_FRZN; 192865245Smsmith return(NULL); 1929140340Sscottl } 193065245Smsmith 193165245Smsmith /* clear out significant fields */ 193265245Smsmith ac->ac_status = 0; 193351974Smsmith bzero(&ac->ac_mailbox, sizeof(struct amr_mailbox)); 193465245Smsmith ac->ac_flags = 0; 193565245Smsmith ac->ac_bio = NULL; 193665245Smsmith ac->ac_data = NULL; 193765245Smsmith ac->ac_complete = NULL; 1938175622Sscottl ac->ac_retries = 0; 1939174544Sscottl ac->ac_tag = NULL; 1940174544Sscottl ac->ac_datamap = NULL; 194151974Smsmith return(ac); 194251974Smsmith} 194351974Smsmith 194451974Smsmith/******************************************************************************** 194551974Smsmith * Release a command buffer for recycling. 194651974Smsmith */ 194765245Smsmithvoid 194851974Smsmithamr_releasecmd(struct amr_command *ac) 194951974Smsmith{ 195065245Smsmith debug_called(3); 195151974Smsmith 195265245Smsmith amr_enqueue_free(ac); 195351974Smsmith} 195451974Smsmith 195551974Smsmith/******************************************************************************** 195665245Smsmith * Allocate a new command cluster and initialise it. 195751974Smsmith */ 1958104094Sphkstatic void 195965245Smsmithamr_alloccmd_cluster(struct amr_softc *sc) 196051974Smsmith{ 196165245Smsmith struct amr_command_cluster *acc; 196265245Smsmith struct amr_command *ac; 1963152119Sscottl int i, nextslot; 196451974Smsmith 1965175622Sscottl /* 1966175622Sscottl * If we haven't found the real limit yet, let us have a couple of 1967175622Sscottl * commands in order to be able to probe. 1968175622Sscottl */ 1969175622Sscottl if (sc->amr_maxio == 0) 1970175622Sscottl sc->amr_maxio = 2; 1971175622Sscottl 1972140340Sscottl if (sc->amr_nextslot > sc->amr_maxio) 1973140340Sscottl return; 1974174194Sscottl acc = malloc(AMR_CMD_CLUSTERSIZE, M_AMR, M_NOWAIT | M_ZERO); 197565245Smsmith if (acc != NULL) { 1976140340Sscottl nextslot = sc->amr_nextslot; 1977175622Sscottl mtx_lock(&sc->amr_list_lock); 197865245Smsmith TAILQ_INSERT_TAIL(&sc->amr_cmd_clusters, acc, acc_link); 1979175622Sscottl mtx_unlock(&sc->amr_list_lock); 198065245Smsmith for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) { 198165245Smsmith ac = &acc->acc_command[i]; 198265245Smsmith ac->ac_sc = sc; 1983140340Sscottl ac->ac_slot = nextslot; 1984153409Sscottl 1985153409Sscottl /* 1986153409Sscottl * The SG table for each slot is a fixed size and is assumed to 1987153409Sscottl * to hold 64-bit s/g objects when the driver is configured to do 1988153409Sscottl * 64-bit DMA. 32-bit DMA commands still use the same table, but 1989153409Sscottl * cast down to 32-bit objects. 1990153409Sscottl */ 1991153409Sscottl if (AMR_IS_SG64(sc)) { 1992153409Sscottl ac->ac_sgbusaddr = sc->amr_sgbusaddr + 1993153409Sscottl (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sg64entry)); 1994153409Sscottl ac->ac_sg.sg64 = sc->amr_sg64table + (ac->ac_slot * AMR_NSEG); 1995153409Sscottl } else { 1996153409Sscottl ac->ac_sgbusaddr = sc->amr_sgbusaddr + 1997153409Sscottl (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry)); 1998153409Sscottl ac->ac_sg.sg32 = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG); 1999153409Sscottl } 2000153409Sscottl 2001174544Sscottl ac->ac_ccb = sc->amr_ccb + ac->ac_slot; 2002174544Sscottl ac->ac_ccb_busaddr = sc->amr_ccb_busaddr + 2003174544Sscottl (ac->ac_slot * sizeof(union amr_ccb)); 2004174544Sscottl 2005174544Sscottl if (bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_dmamap)) 2006174544Sscottl break; 2007174544Sscottl if (AMR_IS_SG64(sc) && 2008174544Sscottl (bus_dmamap_create(sc->amr_buffer64_dmat, 0,&ac->ac_dma64map))) 2009174544Sscottl break; 2010153409Sscottl amr_releasecmd(ac); 2011140340Sscottl if (++nextslot > sc->amr_maxio) 2012140340Sscottl break; 201365245Smsmith } 2014140340Sscottl sc->amr_nextslot = nextslot; 201565245Smsmith } 201651974Smsmith} 201751974Smsmith 201851974Smsmith/******************************************************************************** 201965245Smsmith * Free a command cluster 202065245Smsmith */ 2021104094Sphkstatic void 202265245Smsmithamr_freecmd_cluster(struct amr_command_cluster *acc) 202365245Smsmith{ 202465245Smsmith struct amr_softc *sc = acc->acc_command[0].ac_sc; 202565245Smsmith int i; 202665245Smsmith 2027153409Sscottl for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) { 2028175622Sscottl if (acc->acc_command[i].ac_sc == NULL) 2029175622Sscottl break; 203065245Smsmith bus_dmamap_destroy(sc->amr_buffer_dmat, acc->acc_command[i].ac_dmamap); 2031153409Sscottl if (AMR_IS_SG64(sc)) 2032153409Sscottl bus_dmamap_destroy(sc->amr_buffer64_dmat, acc->acc_command[i].ac_dma64map); 2033153409Sscottl } 2034174194Sscottl free(acc, M_AMR); 203565245Smsmith} 203665245Smsmith 203765245Smsmith/******************************************************************************** 203851974Smsmith ******************************************************************************** 203951974Smsmith Interface-specific Shims 204051974Smsmith ******************************************************************************** 204151974Smsmith ********************************************************************************/ 204251974Smsmith 204351974Smsmith/******************************************************************************** 204451974Smsmith * Tell the controller that the mailbox contains a valid command 204551974Smsmith */ 204665245Smsmithstatic int 2047155222Spsamr_quartz_submit_command(struct amr_command *ac) 204851974Smsmith{ 2049155222Sps struct amr_softc *sc = ac->ac_sc; 2050175622Sscottl static struct timeval lastfail; 2051175622Sscottl static int curfail; 2052155222Sps int i = 0; 2053155222Sps 2054155222Sps mtx_lock(&sc->amr_hw_lock); 2055180633Sscottl while (sc->amr_mailbox->mb_busy && (i++ < 10)) { 2056155222Sps DELAY(1); 2057180633Sscottl /* This is a no-op read that flushes pending mailbox updates */ 2058180633Sscottl AMR_QGET_ODB(sc); 2059180633Sscottl } 2060155222Sps if (sc->amr_mailbox->mb_busy) { 2061155222Sps mtx_unlock(&sc->amr_hw_lock); 2062175622Sscottl if (ac->ac_retries++ > 1000) { 2063175622Sscottl if (ppsratecheck(&lastfail, &curfail, 1)) 2064175622Sscottl device_printf(sc->amr_dev, "Too many retries on command %p. " 2065175622Sscottl "Controller is likely dead\n", ac); 2066175622Sscottl ac->ac_retries = 0; 2067175622Sscottl } 2068155222Sps return (EBUSY); 2069155222Sps } 207051974Smsmith 2071155222Sps /* 2072155222Sps * Save the slot number so that we can locate this command when complete. 2073155222Sps * Note that ident = 0 seems to be special, so we don't use it. 2074155222Sps */ 2075155222Sps ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */ 2076155222Sps bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14); 2077155222Sps sc->amr_mailbox->mb_busy = 1; 2078155222Sps sc->amr_mailbox->mb_poll = 0; 2079155222Sps sc->amr_mailbox->mb_ack = 0; 2080155222Sps sc->amr_mailbox64->sg64_hi = ac->ac_sg64_hi; 2081155222Sps sc->amr_mailbox64->sg64_lo = ac->ac_sg64_lo; 2082155222Sps 208351974Smsmith AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT); 2084155222Sps mtx_unlock(&sc->amr_hw_lock); 208565245Smsmith return(0); 208651974Smsmith} 208751974Smsmith 208865245Smsmithstatic int 2089155222Spsamr_std_submit_command(struct amr_command *ac) 209051974Smsmith{ 2091155222Sps struct amr_softc *sc = ac->ac_sc; 2092175622Sscottl static struct timeval lastfail; 2093175622Sscottl static int curfail; 2094155222Sps 2095155222Sps mtx_lock(&sc->amr_hw_lock); 2096155222Sps if (AMR_SGET_MBSTAT(sc) & AMR_SMBOX_BUSYFLAG) { 2097155222Sps mtx_unlock(&sc->amr_hw_lock); 2098175622Sscottl if (ac->ac_retries++ > 1000) { 2099175622Sscottl if (ppsratecheck(&lastfail, &curfail, 1)) 2100175622Sscottl device_printf(sc->amr_dev, "Too many retries on command %p. " 2101175622Sscottl "Controller is likely dead\n", ac); 2102175622Sscottl ac->ac_retries = 0; 2103175622Sscottl } 2104155222Sps return (EBUSY); 2105155222Sps } 210651974Smsmith 2107155222Sps /* 2108155222Sps * Save the slot number so that we can locate this command when complete. 2109155222Sps * Note that ident = 0 seems to be special, so we don't use it. 2110155222Sps */ 2111155222Sps ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */ 2112155222Sps bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14); 2113155222Sps sc->amr_mailbox->mb_busy = 1; 2114155222Sps sc->amr_mailbox->mb_poll = 0; 2115155222Sps sc->amr_mailbox->mb_ack = 0; 2116155222Sps 211751974Smsmith AMR_SPOST_COMMAND(sc); 2118155222Sps mtx_unlock(&sc->amr_hw_lock); 211965245Smsmith return(0); 212051974Smsmith} 212151974Smsmith 212251974Smsmith/******************************************************************************** 212351974Smsmith * Claim any work that the controller has completed; acknowledge completion, 212451974Smsmith * save details of the completion in (mbsave) 212551974Smsmith */ 212651974Smsmithstatic int 212751974Smsmithamr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave) 212851974Smsmith{ 2129153409Sscottl int worked, i; 213051974Smsmith u_int32_t outd; 2131154876Sambrisko u_int8_t nstatus; 2132153409Sscottl u_int8_t completed[46]; 213351974Smsmith 213465245Smsmith debug_called(3); 213565245Smsmith 213651974Smsmith worked = 0; 213751974Smsmith 213851974Smsmith /* work waiting for us? */ 213951974Smsmith if ((outd = AMR_QGET_ODB(sc)) == AMR_QODB_READY) { 214051974Smsmith 2141140340Sscottl /* acknowledge interrupt */ 2142140340Sscottl AMR_QPUT_ODB(sc, AMR_QODB_READY); 2143140340Sscottl 2144140340Sscottl while ((nstatus = sc->amr_mailbox->mb_nstatus) == 0xff) 2145155222Sps DELAY(1); 2146140340Sscottl sc->amr_mailbox->mb_nstatus = 0xff; 2147140340Sscottl 2148153409Sscottl /* wait until fw wrote out all completions */ 2149153409Sscottl for (i = 0; i < nstatus; i++) { 2150153409Sscottl while ((completed[i] = sc->amr_mailbox->mb_completed[i]) == 0xff) 2151155222Sps DELAY(1); 2152153409Sscottl sc->amr_mailbox->mb_completed[i] = 0xff; 2153153409Sscottl } 2154153409Sscottl 2155154876Sambrisko /* Save information for later processing */ 2156154876Sambrisko mbsave->mb_nstatus = nstatus; 2157154876Sambrisko mbsave->mb_status = sc->amr_mailbox->mb_status; 2158153409Sscottl sc->amr_mailbox->mb_status = 0xff; 2159153409Sscottl 2160153409Sscottl for (i = 0; i < nstatus; i++) 2161153409Sscottl mbsave->mb_completed[i] = completed[i]; 216251974Smsmith 216351974Smsmith /* acknowledge that we have the commands */ 2164140340Sscottl AMR_QPUT_IDB(sc, AMR_QIDB_ACK); 216565245Smsmith 2166153409Sscottl#if 0 216765763Smsmith#ifndef AMR_QUARTZ_GOFASTER 216865245Smsmith /* 216965245Smsmith * This waits for the controller to notice that we've taken the 217065245Smsmith * command from it. It's very inefficient, and we shouldn't do it, 217165245Smsmith * but if we remove this code, we stop completing commands under 217265245Smsmith * load. 217365245Smsmith * 217465245Smsmith * Peter J says we shouldn't do this. The documentation says we 217565245Smsmith * should. Who is right? 217665245Smsmith */ 217751974Smsmith while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK) 217851974Smsmith ; /* XXX aiee! what if it dies? */ 217965245Smsmith#endif 2180153409Sscottl#endif 218165245Smsmith 218251974Smsmith worked = 1; /* got some work */ 218351974Smsmith } 218451974Smsmith 218551974Smsmith return(worked); 218651974Smsmith} 218751974Smsmith 218851974Smsmithstatic int 218951974Smsmithamr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave) 219051974Smsmith{ 2191152119Sscottl int worked; 219251974Smsmith u_int8_t istat; 219351974Smsmith 219465245Smsmith debug_called(3); 219551974Smsmith 219651974Smsmith worked = 0; 219751974Smsmith 219851974Smsmith /* check for valid interrupt status */ 219951974Smsmith istat = AMR_SGET_ISTAT(sc); 220051974Smsmith if ((istat & AMR_SINTR_VALID) != 0) { 220151974Smsmith AMR_SPUT_ISTAT(sc, istat); /* ack interrupt status */ 220251974Smsmith 220351974Smsmith /* save mailbox, which contains a list of completed commands */ 220465245Smsmith bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave)); 220551974Smsmith 220651974Smsmith AMR_SACK_INTERRUPT(sc); /* acknowledge we have the mailbox */ 220751974Smsmith worked = 1; 220851974Smsmith } 220951974Smsmith 221051974Smsmith return(worked); 221151974Smsmith} 221251974Smsmith 221351974Smsmith/******************************************************************************** 221451974Smsmith * Notify the controller of the mailbox location. 221551974Smsmith */ 221651974Smsmithstatic void 221751974Smsmithamr_std_attach_mailbox(struct amr_softc *sc) 221851974Smsmith{ 221951974Smsmith 222051974Smsmith /* program the mailbox physical address */ 222151974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_0, sc->amr_mailboxphys & 0xff); 222251974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_1, (sc->amr_mailboxphys >> 8) & 0xff); 222351974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_2, (sc->amr_mailboxphys >> 16) & 0xff); 222451974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_3, (sc->amr_mailboxphys >> 24) & 0xff); 222551974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_ENABLE, AMR_SMBOX_ADDR); 222651974Smsmith 222751974Smsmith /* clear any outstanding interrupt and enable interrupts proper */ 222851974Smsmith AMR_SACK_INTERRUPT(sc); 222951974Smsmith AMR_SENABLE_INTR(sc); 223051974Smsmith} 223151974Smsmith 223265245Smsmith#ifdef AMR_BOARD_INIT 223351974Smsmith/******************************************************************************** 223465245Smsmith * Initialise the controller 223565245Smsmith */ 223665245Smsmithstatic int 223765245Smsmithamr_quartz_init(struct amr_softc *sc) 223865245Smsmith{ 223965245Smsmith int status, ostatus; 224065245Smsmith 224165245Smsmith device_printf(sc->amr_dev, "initial init status %x\n", AMR_QGET_INITSTATUS(sc)); 224265245Smsmith 224365245Smsmith AMR_QRESET(sc); 224465245Smsmith 224565245Smsmith ostatus = 0xff; 224665245Smsmith while ((status = AMR_QGET_INITSTATUS(sc)) != AMR_QINIT_DONE) { 224765245Smsmith if (status != ostatus) { 224865245Smsmith device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_qinit, status)); 224965245Smsmith ostatus = status; 225065245Smsmith } 225165245Smsmith switch (status) { 225265245Smsmith case AMR_QINIT_NOMEM: 225365245Smsmith return(ENOMEM); 225465245Smsmith 225565245Smsmith case AMR_QINIT_SCAN: 225665245Smsmith /* XXX we could print channel/target here */ 225765245Smsmith break; 225865245Smsmith } 225965245Smsmith } 226065245Smsmith return(0); 226165245Smsmith} 226265245Smsmith 226365245Smsmithstatic int 226465245Smsmithamr_std_init(struct amr_softc *sc) 226565245Smsmith{ 226665245Smsmith int status, ostatus; 226765245Smsmith 226865245Smsmith device_printf(sc->amr_dev, "initial init status %x\n", AMR_SGET_INITSTATUS(sc)); 226965245Smsmith 227065245Smsmith AMR_SRESET(sc); 227165245Smsmith 227265245Smsmith ostatus = 0xff; 227365245Smsmith while ((status = AMR_SGET_INITSTATUS(sc)) != AMR_SINIT_DONE) { 227465245Smsmith if (status != ostatus) { 227565245Smsmith device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_sinit, status)); 227665245Smsmith ostatus = status; 227765245Smsmith } 227865245Smsmith switch (status) { 227965245Smsmith case AMR_SINIT_NOMEM: 228065245Smsmith return(ENOMEM); 228165245Smsmith 228265245Smsmith case AMR_SINIT_INPROG: 228365245Smsmith /* XXX we could print channel/target here? */ 228465245Smsmith break; 228565245Smsmith } 228665245Smsmith } 228765245Smsmith return(0); 228865245Smsmith} 228965245Smsmith#endif 229065245Smsmith 229165245Smsmith/******************************************************************************** 229251974Smsmith ******************************************************************************** 229351974Smsmith Debugging 229451974Smsmith ******************************************************************************** 229551974Smsmith ********************************************************************************/ 229651974Smsmith 229751974Smsmith/******************************************************************************** 229865245Smsmith * Identify the controller and print some information about it. 229965245Smsmith */ 230065245Smsmithstatic void 230165245Smsmithamr_describe_controller(struct amr_softc *sc) 230265245Smsmith{ 230365245Smsmith struct amr_prodinfo *ap; 230465245Smsmith struct amr_enquiry *ae; 230565245Smsmith char *prod; 2306153409Sscottl int status; 230765245Smsmith 230865245Smsmith /* 230965245Smsmith * Try to get 40LD product info, which tells us what the card is labelled as. 231065245Smsmith */ 2311153409Sscottl if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) != NULL) { 2312105419Semoore device_printf(sc->amr_dev, "<LSILogic %.80s> Firmware %.16s, BIOS %.16s, %dMB RAM\n", 231365245Smsmith ap->ap_product, ap->ap_firmware, ap->ap_bios, 231465245Smsmith ap->ap_memsize); 231565245Smsmith 2316174194Sscottl free(ap, M_AMR); 231765245Smsmith return; 231865245Smsmith } 231965245Smsmith 232065245Smsmith /* 232165245Smsmith * Try 8LD extended ENQUIRY to get controller signature, and use lookup table. 232265245Smsmith */ 2323153409Sscottl if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) != NULL) { 232465245Smsmith prod = amr_describe_code(amr_table_adaptertype, ae->ae_signature); 232565245Smsmith 2326153409Sscottl } else if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) != NULL) { 232765245Smsmith 232865245Smsmith /* 232965245Smsmith * Try to work it out based on the PCI signatures. 233065245Smsmith */ 233165245Smsmith switch (pci_get_device(sc->amr_dev)) { 233265245Smsmith case 0x9010: 233365245Smsmith prod = "Series 428"; 233465245Smsmith break; 233565245Smsmith case 0x9060: 233665245Smsmith prod = "Series 434"; 233765245Smsmith break; 233865245Smsmith default: 233965245Smsmith prod = "unknown controller"; 234065245Smsmith break; 234165245Smsmith } 234265245Smsmith } else { 2343144369Ssam device_printf(sc->amr_dev, "<unsupported controller>\n"); 2344144369Ssam return; 234565245Smsmith } 234674936Shm 234774936Shm /* 234874936Shm * HP NetRaid controllers have a special encoding of the firmware and 234974936Shm * BIOS versions. The AMI version seems to have it as strings whereas 235074936Shm * the HP version does it with a leading uppercase character and two 235174936Shm * binary numbers. 235274936Shm */ 235374936Shm 235474936Shm if(ae->ae_adapter.aa_firmware[2] >= 'A' && 235574936Shm ae->ae_adapter.aa_firmware[2] <= 'Z' && 235674936Shm ae->ae_adapter.aa_firmware[1] < ' ' && 235774936Shm ae->ae_adapter.aa_firmware[0] < ' ' && 235874936Shm ae->ae_adapter.aa_bios[2] >= 'A' && 235974936Shm ae->ae_adapter.aa_bios[2] <= 'Z' && 236074936Shm ae->ae_adapter.aa_bios[1] < ' ' && 236174936Shm ae->ae_adapter.aa_bios[0] < ' ') { 236274936Shm 236374936Shm /* this looks like we have an HP NetRaid version of the MegaRaid */ 236474936Shm 236574936Shm if(ae->ae_signature == AMR_SIG_438) { 2366108470Sschweikh /* the AMI 438 is a NetRaid 3si in HP-land */ 236774936Shm prod = "HP NetRaid 3si"; 236874936Shm } 236974936Shm 237074936Shm device_printf(sc->amr_dev, "<%s> Firmware %c.%02d.%02d, BIOS %c.%02d.%02d, %dMB RAM\n", 237174936Shm prod, ae->ae_adapter.aa_firmware[2], 237274936Shm ae->ae_adapter.aa_firmware[1], 237374936Shm ae->ae_adapter.aa_firmware[0], 237474936Shm ae->ae_adapter.aa_bios[2], 237574936Shm ae->ae_adapter.aa_bios[1], 237674936Shm ae->ae_adapter.aa_bios[0], 237774936Shm ae->ae_adapter.aa_memorysize); 237874936Shm } else { 237974936Shm device_printf(sc->amr_dev, "<%s> Firmware %.4s, BIOS %.4s, %dMB RAM\n", 238074936Shm prod, ae->ae_adapter.aa_firmware, ae->ae_adapter.aa_bios, 238174936Shm ae->ae_adapter.aa_memorysize); 238274936Shm } 2383174194Sscottl free(ae, M_AMR); 238465245Smsmith} 238565245Smsmith 2386120988Spsint 2387120988Spsamr_dump_blocks(struct amr_softc *sc, int unit, u_int32_t lba, void *data, int blks) 2388120988Sps{ 2389120988Sps struct amr_command *ac; 2390120988Sps int error = EIO; 2391120988Sps 2392120988Sps debug_called(1); 2393120988Sps 2394140688Sscottl sc->amr_state |= AMR_STATE_INTEN; 2395120988Sps 2396120988Sps /* get ourselves a command buffer */ 2397120988Sps if ((ac = amr_alloccmd(sc)) == NULL) 2398120988Sps goto out; 2399120988Sps /* set command flags */ 2400120988Sps ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 2401120988Sps 2402120988Sps /* point the command at our data */ 2403120988Sps ac->ac_data = data; 2404120988Sps ac->ac_length = blks * AMR_BLKSIZE; 2405120988Sps 2406120988Sps /* build the command proper */ 2407120988Sps ac->ac_mailbox.mb_command = AMR_CMD_LWRITE; 2408120988Sps ac->ac_mailbox.mb_blkcount = blks; 2409120988Sps ac->ac_mailbox.mb_lba = lba; 2410120988Sps ac->ac_mailbox.mb_drive = unit; 2411120988Sps 2412120988Sps /* can't assume that interrupts are going to work here, so play it safe */ 2413120988Sps if (sc->amr_poll_command(ac)) 2414120988Sps goto out; 2415120988Sps error = ac->ac_status; 2416120988Sps 2417120988Sps out: 2418120988Sps if (ac != NULL) 2419120988Sps amr_releasecmd(ac); 2420120988Sps 2421140688Sscottl sc->amr_state &= ~AMR_STATE_INTEN; 2422120988Sps return (error); 2423120988Sps} 2424120988Sps 2425120988Sps 2426120988Sps 242765245Smsmith#ifdef AMR_DEBUG 242865245Smsmith/******************************************************************************** 242951974Smsmith * Print the command (ac) in human-readable format 243051974Smsmith */ 2431107756Semoore#if 0 243251974Smsmithstatic void 243351974Smsmithamr_printcommand(struct amr_command *ac) 243451974Smsmith{ 243551974Smsmith struct amr_softc *sc = ac->ac_sc; 243651974Smsmith struct amr_sgentry *sg; 243751974Smsmith int i; 243851974Smsmith 243951974Smsmith device_printf(sc->amr_dev, "cmd %x ident %d drive %d\n", 244051974Smsmith ac->ac_mailbox.mb_command, ac->ac_mailbox.mb_ident, ac->ac_mailbox.mb_drive); 244151974Smsmith device_printf(sc->amr_dev, "blkcount %d lba %d\n", 244251974Smsmith ac->ac_mailbox.mb_blkcount, ac->ac_mailbox.mb_lba); 244354512Speter device_printf(sc->amr_dev, "virtaddr %p length %lu\n", ac->ac_data, (unsigned long)ac->ac_length); 244458883Smsmith device_printf(sc->amr_dev, "sg physaddr %08x nsg %d\n", 244551974Smsmith ac->ac_mailbox.mb_physaddr, ac->ac_mailbox.mb_nsgelem); 244665245Smsmith device_printf(sc->amr_dev, "ccb %p bio %p\n", ac->ac_ccb_data, ac->ac_bio); 244751974Smsmith 244851974Smsmith /* get base address of s/g table */ 244951974Smsmith sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG); 245051974Smsmith for (i = 0; i < ac->ac_mailbox.mb_nsgelem; i++, sg++) 245151974Smsmith device_printf(sc->amr_dev, " %x/%d\n", sg->sg_addr, sg->sg_count); 245251974Smsmith} 245365245Smsmith#endif 2454107756Semoore#endif 2455