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sbp.c revision 1.17.12.1
      1  1.17.12.1    bouyer /*	$NetBSD: sbp.c,v 1.17.12.1 2007/10/25 22:38:05 bouyer Exp $	*/
      2        1.1  kiyohara /*-
      3        1.1  kiyohara  * Copyright (c) 2003 Hidetoshi Shimokawa
      4        1.1  kiyohara  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
      5        1.1  kiyohara  * All rights reserved.
      6        1.1  kiyohara  *
      7        1.1  kiyohara  * Redistribution and use in source and binary forms, with or without
      8        1.1  kiyohara  * modification, are permitted provided that the following conditions
      9        1.1  kiyohara  * are met:
     10        1.1  kiyohara  * 1. Redistributions of source code must retain the above copyright
     11        1.1  kiyohara  *    notice, this list of conditions and the following disclaimer.
     12        1.1  kiyohara  * 2. Redistributions in binary form must reproduce the above copyright
     13        1.1  kiyohara  *    notice, this list of conditions and the following disclaimer in the
     14        1.1  kiyohara  *    documentation and/or other materials provided with the distribution.
     15        1.1  kiyohara  * 3. All advertising materials mentioning features or use of this software
     16        1.1  kiyohara  *    must display the acknowledgement as bellow:
     17        1.1  kiyohara  *
     18        1.1  kiyohara  *    This product includes software developed by K. Kobayashi and H. Shimokawa
     19        1.1  kiyohara  *
     20        1.1  kiyohara  * 4. The name of the author may not be used to endorse or promote products
     21        1.1  kiyohara  *    derived from this software without specific prior written permission.
     22        1.1  kiyohara  *
     23        1.1  kiyohara  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24        1.1  kiyohara  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     25        1.1  kiyohara  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     26        1.1  kiyohara  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     27        1.1  kiyohara  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     28        1.1  kiyohara  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     29        1.1  kiyohara  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30        1.1  kiyohara  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     31        1.1  kiyohara  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     32        1.1  kiyohara  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     33        1.1  kiyohara  * POSSIBILITY OF SUCH DAMAGE.
     34        1.1  kiyohara  *
     35       1.16  kiyohara  * $FreeBSD: /repoman/r/ncvs/src/sys/dev/firewire/sbp.c,v 1.89 2007/03/16 05:39:33 simokawa Exp $
     36        1.1  kiyohara  *
     37        1.1  kiyohara  */
     38        1.1  kiyohara 
     39        1.1  kiyohara #if defined(__FreeBSD__)
     40        1.1  kiyohara #include <sys/param.h>
     41        1.1  kiyohara #include <sys/systm.h>
     42        1.1  kiyohara #include <sys/conf.h>
     43        1.1  kiyohara #include <sys/module.h>
     44        1.1  kiyohara #include <sys/bus.h>
     45        1.1  kiyohara #include <sys/kernel.h>
     46        1.1  kiyohara #include <sys/sysctl.h>
     47  1.17.12.1    bouyer #include <sys/bus.h>
     48        1.1  kiyohara #include <sys/malloc.h>
     49        1.1  kiyohara #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
     50        1.1  kiyohara #include <sys/lock.h>
     51        1.1  kiyohara #include <sys/mutex.h>
     52        1.1  kiyohara #endif
     53        1.1  kiyohara 
     54        1.1  kiyohara #if defined(__DragonFly__) || __FreeBSD_version < 500106
     55        1.1  kiyohara #include <sys/devicestat.h>	/* for struct devstat */
     56        1.1  kiyohara #endif
     57        1.1  kiyohara 
     58        1.1  kiyohara #ifdef __DragonFly__
     59        1.1  kiyohara #include <bus/cam/cam.h>
     60        1.1  kiyohara #include <bus/cam/cam_ccb.h>
     61        1.1  kiyohara #include <bus/cam/cam_sim.h>
     62        1.1  kiyohara #include <bus/cam/cam_xpt_sim.h>
     63        1.1  kiyohara #include <bus/cam/cam_debug.h>
     64        1.1  kiyohara #include <bus/cam/cam_periph.h>
     65        1.1  kiyohara #include <bus/cam/scsi/scsi_all.h>
     66        1.1  kiyohara 
     67        1.1  kiyohara #include <bus/firewire/fw_port.h>
     68        1.1  kiyohara #include <bus/firewire/firewire.h>
     69        1.1  kiyohara #include <bus/firewire/firewirereg.h>
     70        1.1  kiyohara #include <bus/firewire/fwdma.h>
     71        1.1  kiyohara #include <bus/firewire/iec13213.h>
     72        1.1  kiyohara #include "sbp.h"
     73        1.1  kiyohara #else
     74        1.1  kiyohara #include <cam/cam.h>
     75        1.1  kiyohara #include <cam/cam_ccb.h>
     76        1.1  kiyohara #include <cam/cam_sim.h>
     77        1.1  kiyohara #include <cam/cam_xpt_sim.h>
     78        1.1  kiyohara #include <cam/cam_debug.h>
     79        1.1  kiyohara #include <cam/cam_periph.h>
     80        1.1  kiyohara #include <cam/scsi/scsi_all.h>
     81        1.1  kiyohara 
     82        1.1  kiyohara #include <dev/firewire/fw_port.h>
     83        1.1  kiyohara #include <dev/firewire/firewire.h>
     84        1.1  kiyohara #include <dev/firewire/firewirereg.h>
     85        1.1  kiyohara #include <dev/firewire/fwdma.h>
     86        1.1  kiyohara #include <dev/firewire/iec13213.h>
     87        1.1  kiyohara #include <dev/firewire/sbp.h>
     88        1.1  kiyohara #endif
     89        1.1  kiyohara #elif defined(__NetBSD__)
     90        1.1  kiyohara #include <sys/param.h>
     91        1.1  kiyohara #include <sys/device.h>
     92        1.1  kiyohara #include <sys/errno.h>
     93        1.1  kiyohara #include <sys/buf.h>
     94        1.1  kiyohara #include <sys/kernel.h>
     95        1.1  kiyohara #include <sys/kthread.h>
     96        1.1  kiyohara #include <sys/malloc.h>
     97        1.1  kiyohara #include <sys/proc.h>
     98        1.1  kiyohara #include <sys/sysctl.h>
     99        1.1  kiyohara 
    100  1.17.12.1    bouyer #include <sys/bus.h>
    101        1.1  kiyohara 
    102        1.1  kiyohara #include <dev/scsipi/scsi_spc.h>
    103        1.1  kiyohara #include <dev/scsipi/scsi_all.h>
    104        1.1  kiyohara #include <dev/scsipi/scsipi_all.h>
    105        1.1  kiyohara #include <dev/scsipi/scsiconf.h>
    106        1.1  kiyohara #include <dev/scsipi/scsipiconf.h>
    107        1.1  kiyohara 
    108        1.1  kiyohara #include <dev/ieee1394/fw_port.h>
    109        1.1  kiyohara #include <dev/ieee1394/firewire.h>
    110        1.1  kiyohara #include <dev/ieee1394/firewirereg.h>
    111        1.1  kiyohara #include <dev/ieee1394/fwdma.h>
    112        1.1  kiyohara #include <dev/ieee1394/iec13213.h>
    113        1.1  kiyohara #include <dev/ieee1394/sbp.h>
    114        1.1  kiyohara 
    115        1.1  kiyohara #include "locators.h"
    116        1.1  kiyohara #endif
    117        1.1  kiyohara 
    118        1.1  kiyohara #define ccb_sdev_ptr	spriv_ptr0
    119        1.1  kiyohara #define ccb_sbp_ptr	spriv_ptr1
    120        1.1  kiyohara 
    121        1.1  kiyohara #define SBP_NUM_TARGETS 8 /* MAX 64 */
    122        1.1  kiyohara /*
    123        1.1  kiyohara  * Scan_bus doesn't work for more than 8 LUNs
    124        1.1  kiyohara  * because of CAM_SCSI2_MAXLUN in cam_xpt.c
    125        1.1  kiyohara  */
    126        1.1  kiyohara #define SBP_NUM_LUNS 64
    127       1.16  kiyohara #define SBP_MAXPHYS  MIN(MAXPHYS, (512*1024) /* 512KB */)
    128        1.1  kiyohara #define SBP_DMA_SIZE PAGE_SIZE
    129        1.1  kiyohara #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
    130        1.1  kiyohara #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
    131        1.1  kiyohara #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
    132        1.1  kiyohara 
    133        1.1  kiyohara /*
    134        1.1  kiyohara  * STATUS FIFO addressing
    135        1.1  kiyohara  *   bit
    136        1.1  kiyohara  * -----------------------
    137        1.1  kiyohara  *  0- 1( 2): 0 (alignment)
    138        1.1  kiyohara  *  2- 9( 8): lun
    139        1.1  kiyohara  * 10-31(14): unit
    140        1.1  kiyohara  * 32-47(16): SBP_BIND_HI
    141        1.1  kiyohara  * 48-64(16): bus_id, node_id
    142        1.1  kiyohara  */
    143        1.1  kiyohara #define SBP_BIND_HI 0x1
    144        1.1  kiyohara #define SBP_DEV2ADDR(u, l) \
    145        1.1  kiyohara 	(((u_int64_t)SBP_BIND_HI << 32) \
    146        1.1  kiyohara 	| (((u) & 0x3fff) << 10) \
    147        1.1  kiyohara 	| (((l) & 0xff) << 2))
    148        1.1  kiyohara #define SBP_ADDR2UNIT(a)	(((a) >> 10) & 0x3fff)
    149        1.1  kiyohara #define SBP_ADDR2LUN(a)		(((a) >> 2) & 0xff)
    150        1.1  kiyohara #define SBP_INITIATOR 7
    151        1.1  kiyohara 
    152        1.1  kiyohara static const char *orb_fun_name[] = {
    153        1.1  kiyohara 	ORB_FUN_NAMES
    154        1.1  kiyohara };
    155        1.1  kiyohara 
    156        1.1  kiyohara static int debug = 0;
    157        1.1  kiyohara static int auto_login = 1;
    158        1.1  kiyohara static int max_speed = -1;
    159        1.1  kiyohara static int sbp_cold = 1;
    160        1.1  kiyohara static int ex_login = 1;
    161        1.1  kiyohara static int login_delay = 1000;	/* msec */
    162        1.1  kiyohara static int scan_delay = 500;	/* msec */
    163        1.1  kiyohara static int use_doorbell = 0;
    164        1.1  kiyohara static int sbp_tags = 0;
    165        1.1  kiyohara 
    166        1.1  kiyohara #if defined(__FreeBSD__)
    167        1.1  kiyohara SYSCTL_DECL(_hw_firewire);
    168        1.1  kiyohara SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
    169        1.1  kiyohara SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
    170        1.1  kiyohara 	"SBP debug flag");
    171        1.1  kiyohara SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
    172        1.1  kiyohara 	"SBP perform login automatically");
    173        1.1  kiyohara SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
    174        1.1  kiyohara 	"SBP transfer max speed");
    175        1.1  kiyohara SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
    176        1.1  kiyohara 	&ex_login, 0, "SBP enable exclusive login");
    177        1.1  kiyohara SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
    178        1.1  kiyohara 	&login_delay, 0, "SBP login delay in msec");
    179        1.1  kiyohara SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
    180        1.1  kiyohara 	&scan_delay, 0, "SBP scan delay in msec");
    181        1.1  kiyohara SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW,
    182        1.1  kiyohara 	&use_doorbell, 0, "SBP use doorbell request");
    183        1.1  kiyohara SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
    184        1.1  kiyohara 	"SBP tagged queuing support");
    185        1.1  kiyohara 
    186        1.1  kiyohara TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
    187        1.1  kiyohara TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
    188        1.1  kiyohara TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
    189        1.1  kiyohara TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
    190        1.1  kiyohara TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
    191        1.1  kiyohara TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell);
    192        1.1  kiyohara TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
    193        1.1  kiyohara #elif defined(__NetBSD__)
    194        1.1  kiyohara static int sysctl_sbp_verify(SYSCTLFN_PROTO, int lower, int upper);
    195        1.1  kiyohara static int sysctl_sbp_verify_max_speed(SYSCTLFN_PROTO);
    196        1.1  kiyohara static int sysctl_sbp_verify_tags(SYSCTLFN_PROTO);
    197        1.1  kiyohara 
    198        1.1  kiyohara /*
    199        1.1  kiyohara  * Setup sysctl(3) MIB, hw.sbp.*
    200        1.1  kiyohara  *
    201        1.1  kiyohara  * TBD condition CTLFLAG_PERMANENT on being an LKM or not
    202        1.1  kiyohara  */
    203        1.1  kiyohara SYSCTL_SETUP(sysctl_sbp, "sysctl sbp(4) subtree setup")
    204        1.1  kiyohara {
    205        1.1  kiyohara 	int rc, sbp_node_num;
    206        1.1  kiyohara 	const struct sysctlnode *node;
    207        1.1  kiyohara 
    208        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, NULL,
    209        1.1  kiyohara 	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
    210        1.1  kiyohara 	    NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) {
    211        1.1  kiyohara 		goto err;
    212        1.1  kiyohara 	}
    213        1.1  kiyohara 
    214        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, &node,
    215        1.1  kiyohara 	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "sbp",
    216        1.1  kiyohara 	    SYSCTL_DESCR("sbp controls"), NULL, 0, NULL,
    217        1.1  kiyohara 	    0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) {
    218        1.1  kiyohara 		goto err;
    219        1.1  kiyohara 	}
    220        1.1  kiyohara 	sbp_node_num = node->sysctl_num;
    221        1.1  kiyohara 
    222        1.1  kiyohara 	/* sbp auto login flag */
    223        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, &node,
    224        1.1  kiyohara 	    CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
    225        1.1  kiyohara 	    "auto_login", SYSCTL_DESCR("SBP perform login automatically"),
    226        1.1  kiyohara 	    NULL, 0, &auto_login,
    227        1.1  kiyohara 	    0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
    228        1.1  kiyohara 		goto err;
    229        1.1  kiyohara 	}
    230        1.1  kiyohara 
    231        1.1  kiyohara 	/* sbp max speed */
    232        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, &node,
    233        1.1  kiyohara 	    CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
    234        1.1  kiyohara 	    "max_speed", SYSCTL_DESCR("SBP transfer max speed"),
    235        1.1  kiyohara 	    sysctl_sbp_verify_max_speed, 0, &max_speed,
    236        1.1  kiyohara 	    0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
    237        1.1  kiyohara 		goto err;
    238        1.1  kiyohara 	}
    239        1.1  kiyohara 
    240        1.1  kiyohara 	/* sbp exclusive login flag */
    241        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, &node,
    242        1.1  kiyohara 	    CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
    243        1.1  kiyohara 	    "exclusive_login", SYSCTL_DESCR("SBP enable exclusive login"),
    244        1.1  kiyohara 	    NULL, 0, &ex_login,
    245        1.1  kiyohara 	    0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
    246        1.1  kiyohara 		goto err;
    247        1.1  kiyohara 	}
    248        1.1  kiyohara 
    249        1.1  kiyohara 	/* sbp login delay */
    250        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, &node,
    251        1.1  kiyohara 	    CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
    252        1.1  kiyohara 	    "login_delay", SYSCTL_DESCR("SBP login delay in msec"),
    253        1.1  kiyohara 	    NULL, 0, &login_delay,
    254        1.1  kiyohara 	    0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
    255        1.1  kiyohara 		goto err;
    256        1.1  kiyohara 	}
    257        1.1  kiyohara 
    258        1.1  kiyohara 	/* sbp scan delay */
    259        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, &node,
    260        1.1  kiyohara 	    CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
    261        1.1  kiyohara 	    "scan_delay", SYSCTL_DESCR("SBP scan delay in msec"),
    262        1.1  kiyohara 	    NULL, 0, &scan_delay,
    263        1.1  kiyohara 	    0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
    264        1.1  kiyohara 		goto err;
    265        1.1  kiyohara 	}
    266        1.1  kiyohara 
    267        1.1  kiyohara 	/* sbp use doorbell flag */
    268        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, &node,
    269        1.1  kiyohara 	    CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
    270        1.1  kiyohara 	    "use_doorbell", SYSCTL_DESCR("SBP use doorbell request"),
    271        1.1  kiyohara 	    NULL, 0, &use_doorbell,
    272        1.1  kiyohara 	    0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
    273        1.1  kiyohara 		goto err;
    274        1.1  kiyohara 	}
    275        1.1  kiyohara 
    276        1.1  kiyohara 	/* sbp force tagged queuing */
    277        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, &node,
    278        1.1  kiyohara 	    CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
    279        1.1  kiyohara 	    "tags", SYSCTL_DESCR("SBP tagged queuing support"),
    280        1.1  kiyohara 	    sysctl_sbp_verify_tags, 0, &sbp_tags,
    281        1.1  kiyohara 	    0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
    282        1.1  kiyohara 		goto err;
    283        1.1  kiyohara 	}
    284        1.1  kiyohara 
    285        1.1  kiyohara 	/* sbp driver debug flag */
    286        1.1  kiyohara 	if ((rc = sysctl_createv(clog, 0, NULL, &node,
    287        1.1  kiyohara 	    CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
    288        1.1  kiyohara 	    "sbp_debug", SYSCTL_DESCR("SBP debug flag"),
    289        1.1  kiyohara 	    NULL, 0, &debug,
    290        1.1  kiyohara 	    0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
    291        1.1  kiyohara 		goto err;
    292        1.1  kiyohara 	}
    293        1.1  kiyohara 
    294        1.1  kiyohara 	return;
    295        1.1  kiyohara 
    296        1.1  kiyohara err:
    297        1.1  kiyohara 	printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
    298        1.1  kiyohara }
    299        1.1  kiyohara 
    300        1.1  kiyohara static int
    301        1.1  kiyohara sysctl_sbp_verify(SYSCTLFN_ARGS, int lower, int upper)
    302        1.1  kiyohara {
    303        1.1  kiyohara 	int error, t;
    304        1.1  kiyohara 	struct sysctlnode node;
    305        1.1  kiyohara 
    306        1.1  kiyohara 	node = *rnode;
    307        1.1  kiyohara 	t = *(int*)rnode->sysctl_data;
    308        1.1  kiyohara 	node.sysctl_data = &t;
    309        1.1  kiyohara 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
    310        1.1  kiyohara 	if (error || newp == NULL)
    311        1.1  kiyohara 		return (error);
    312        1.1  kiyohara 
    313        1.1  kiyohara 	if (t < lower || t > upper)
    314        1.1  kiyohara 		return (EINVAL);
    315        1.1  kiyohara 
    316        1.1  kiyohara 	*(int*)rnode->sysctl_data = t;
    317        1.1  kiyohara 
    318        1.1  kiyohara 	return (0);
    319        1.1  kiyohara }
    320        1.1  kiyohara 
    321        1.1  kiyohara static int
    322        1.1  kiyohara sysctl_sbp_verify_max_speed(SYSCTLFN_ARGS)
    323        1.1  kiyohara {
    324        1.1  kiyohara 	return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), 0, FWSPD_S400));
    325        1.1  kiyohara }
    326        1.1  kiyohara 
    327        1.1  kiyohara static int
    328        1.1  kiyohara sysctl_sbp_verify_tags(SYSCTLFN_ARGS)
    329        1.1  kiyohara {
    330        1.1  kiyohara 	return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), -1, 1));
    331        1.1  kiyohara }
    332        1.1  kiyohara #endif
    333        1.1  kiyohara 
    334        1.1  kiyohara #define NEED_RESPONSE 0
    335        1.1  kiyohara 
    336        1.1  kiyohara #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
    337        1.1  kiyohara #ifdef __sparc64__ /* iommu */
    338       1.16  kiyohara #define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
    339        1.1  kiyohara #else
    340       1.16  kiyohara #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
    341        1.1  kiyohara #endif
    342        1.1  kiyohara struct sbp_ocb {
    343        1.1  kiyohara 	STAILQ_ENTRY(sbp_ocb)	ocb;
    344        1.1  kiyohara 	sbp_scsi_xfer *sxfer;
    345        1.1  kiyohara 	bus_addr_t	bus_addr;
    346        1.1  kiyohara 	uint32_t	orb[8];
    347        1.1  kiyohara #define IND_PTR_OFFSET	(8*sizeof(uint32_t))
    348        1.1  kiyohara 	struct ind_ptr  ind_ptr[SBP_IND_MAX];
    349        1.1  kiyohara 	struct sbp_dev	*sdev;
    350        1.1  kiyohara 	int		flags; /* XXX should be removed */
    351        1.1  kiyohara 	bus_dmamap_t	dmamap;
    352        1.1  kiyohara };
    353        1.1  kiyohara 
    354        1.1  kiyohara #define OCB_ACT_MGM 0
    355        1.1  kiyohara #define OCB_ACT_CMD 1
    356        1.1  kiyohara #define OCB_MATCH(o,s)	((o)->bus_addr == ntohl((s)->orb_lo))
    357        1.1  kiyohara 
    358        1.1  kiyohara struct sbp_dev{
    359        1.1  kiyohara #define SBP_DEV_RESET		0	/* accept login */
    360        1.1  kiyohara #define SBP_DEV_LOGIN		1	/* to login */
    361        1.1  kiyohara #if 0
    362        1.1  kiyohara #define SBP_DEV_RECONN		2	/* to reconnect */
    363        1.1  kiyohara #endif
    364        1.1  kiyohara #define SBP_DEV_TOATTACH	3	/* to attach */
    365        1.1  kiyohara #define SBP_DEV_PROBE		4	/* scan lun */
    366        1.1  kiyohara #define SBP_DEV_ATTACHED	5	/* in operation */
    367        1.1  kiyohara #define SBP_DEV_DEAD		6	/* unavailable unit */
    368        1.1  kiyohara #define SBP_DEV_RETRY		7	/* unavailable unit */
    369        1.1  kiyohara 	uint8_t status:4,
    370        1.1  kiyohara 		 timeout:4;
    371        1.1  kiyohara 	uint8_t type;
    372        1.1  kiyohara 	uint16_t lun_id;
    373        1.1  kiyohara 	uint16_t freeze;
    374        1.1  kiyohara #define	ORB_LINK_DEAD		(1 << 0)
    375        1.1  kiyohara #define	VALID_LUN		(1 << 1)
    376        1.1  kiyohara #define	ORB_POINTER_ACTIVE	(1 << 2)
    377        1.1  kiyohara #define	ORB_POINTER_NEED	(1 << 3)
    378        1.1  kiyohara #define	ORB_DOORBELL_ACTIVE	(1 << 4)
    379        1.1  kiyohara #define	ORB_DOORBELL_NEED	(1 << 5)
    380        1.1  kiyohara #define	ORB_SHORTAGE		(1 << 6)
    381        1.1  kiyohara 	uint16_t flags;
    382        1.1  kiyohara #if defined(__FreeBSD__)
    383        1.1  kiyohara 	struct cam_path *path;
    384        1.1  kiyohara #elif defined(__NetBSD__)
    385        1.1  kiyohara 	struct scsipi_periph *periph;
    386        1.1  kiyohara #endif
    387        1.1  kiyohara 	struct sbp_target *target;
    388        1.1  kiyohara 	struct fwdma_alloc dma;
    389        1.1  kiyohara 	struct sbp_login_res *login;
    390        1.1  kiyohara 	struct callout login_callout;
    391        1.1  kiyohara 	struct sbp_ocb *ocb;
    392        1.1  kiyohara 	STAILQ_HEAD(, sbp_ocb) ocbs;
    393        1.1  kiyohara 	STAILQ_HEAD(, sbp_ocb) free_ocbs;
    394        1.1  kiyohara 	struct sbp_ocb *last_ocb;
    395        1.1  kiyohara 	char vendor[32];
    396        1.1  kiyohara 	char product[32];
    397        1.1  kiyohara 	char revision[10];
    398        1.1  kiyohara };
    399        1.1  kiyohara 
    400        1.1  kiyohara struct sbp_target {
    401        1.1  kiyohara 	int target_id;
    402        1.1  kiyohara 	int num_lun;
    403        1.1  kiyohara 	struct sbp_dev	**luns;
    404        1.1  kiyohara 	struct sbp_softc *sbp;
    405        1.1  kiyohara 	struct fw_device *fwdev;
    406        1.1  kiyohara 	uint32_t mgm_hi, mgm_lo;
    407        1.1  kiyohara 	struct sbp_ocb *mgm_ocb_cur;
    408        1.1  kiyohara 	STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
    409        1.1  kiyohara 	struct callout mgm_ocb_timeout;
    410        1.1  kiyohara 	struct callout scan_callout;
    411        1.1  kiyohara 	STAILQ_HEAD(, fw_xfer) xferlist;
    412        1.1  kiyohara 	int n_xfer;
    413        1.1  kiyohara };
    414        1.1  kiyohara 
    415        1.1  kiyohara struct sbp_softc {
    416        1.1  kiyohara 	struct firewire_dev_comm fd;
    417        1.1  kiyohara #if defined(__FreeBSD__)
    418        1.1  kiyohara 	struct cam_sim  *sim;
    419        1.1  kiyohara 	struct cam_path  *path;
    420        1.1  kiyohara #elif defined(__NetBSD__)
    421        1.1  kiyohara 	struct scsipi_adapter sc_adapter;
    422        1.1  kiyohara 	struct scsipi_channel sc_channel;
    423        1.1  kiyohara 	struct device *sc_bus;
    424       1.17        ad 	struct lwp *lwp;
    425        1.1  kiyohara #endif
    426        1.1  kiyohara 	struct sbp_target target;
    427        1.1  kiyohara 	struct fw_bind fwb;
    428        1.1  kiyohara 	fw_bus_dma_tag_t dmat;
    429        1.1  kiyohara 	struct timeval last_busreset;
    430        1.1  kiyohara #define SIMQ_FREEZED 1
    431        1.1  kiyohara 	int flags;
    432        1.1  kiyohara };
    433        1.1  kiyohara 
    434        1.1  kiyohara #if defined(__NetBSD__)
    435        1.1  kiyohara int sbpmatch (struct device *, struct cfdata *, void *);
    436        1.1  kiyohara void sbpattach (struct device *parent, struct device *self, void *aux);
    437        1.1  kiyohara int sbpdetach (struct device *self, int flags);
    438        1.1  kiyohara #endif
    439        1.1  kiyohara static void sbp_post_explore (void *);
    440        1.1  kiyohara static void sbp_recv (struct fw_xfer *);
    441        1.1  kiyohara static void sbp_mgm_callback (struct fw_xfer *);
    442        1.1  kiyohara #if 0
    443        1.1  kiyohara static void sbp_cmd_callback (struct fw_xfer *);
    444        1.1  kiyohara #endif
    445        1.1  kiyohara static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
    446        1.1  kiyohara static void sbp_doorbell(struct sbp_dev *);
    447        1.1  kiyohara static void sbp_execute_ocb (void *,  bus_dma_segment_t *, int, int);
    448        1.1  kiyohara static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
    449        1.1  kiyohara static void sbp_abort_ocb (struct sbp_ocb *, int);
    450        1.1  kiyohara static void sbp_abort_all_ocbs (struct sbp_dev *, int);
    451        1.1  kiyohara static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
    452        1.1  kiyohara static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
    453        1.1  kiyohara static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
    454        1.1  kiyohara static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
    455        1.1  kiyohara static void sbp_free_sdev(struct sbp_dev *);
    456        1.1  kiyohara static void sbp_free_target (struct sbp_target *);
    457        1.1  kiyohara static void sbp_mgm_timeout (void *arg);
    458        1.1  kiyohara static void sbp_timeout (void *arg);
    459        1.1  kiyohara static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
    460        1.1  kiyohara #if defined(__FreeBSD__)
    461        1.1  kiyohara 
    462        1.1  kiyohara MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
    463        1.1  kiyohara #elif defined(__NetBSD__)
    464        1.1  kiyohara static void sbp_scsipi_request(
    465        1.1  kiyohara     struct scsipi_channel *, scsipi_adapter_req_t, void *);
    466        1.1  kiyohara static void sbp_minphys(struct buf *);
    467        1.1  kiyohara 
    468        1.1  kiyohara MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/IEEE1394");
    469        1.1  kiyohara #endif
    470        1.1  kiyohara 
    471        1.1  kiyohara #if defined(__FreeBSD__)
    472        1.1  kiyohara /* cam related functions */
    473        1.1  kiyohara static void	sbp_action(struct cam_sim *, sbp_scsi_xfer *sxfer);
    474        1.1  kiyohara static void	sbp_poll(struct cam_sim *);
    475        1.1  kiyohara static void	sbp_cam_scan_lun(struct cam_periph *, sbp_scsi_xfer *);
    476        1.1  kiyohara static void	sbp_cam_scan_target(void *);
    477        1.1  kiyohara static void	sbp_cam_detach_sdev(struct sbp_dev *);
    478        1.1  kiyohara static void	sbp_cam_detach_target (struct sbp_target *);
    479        1.1  kiyohara #define SBP_DETACH_SDEV(sd)	sbp_cam_detach_sdev((sd))
    480        1.1  kiyohara #define SBP_DETACH_TARGET(st)	sbp_cam_detach_target((st))
    481        1.1  kiyohara #elif defined(__NetBSD__)
    482        1.1  kiyohara /* scsipi related functions */
    483        1.1  kiyohara static void	fw_kthread_create0(void *);
    484        1.1  kiyohara static void	sbp_scsipi_scan_target(void *);
    485        1.1  kiyohara static void	sbp_scsipi_detach_sdev(struct sbp_dev *);
    486        1.1  kiyohara static void	sbp_scsipi_detach_target (struct sbp_target *);
    487        1.1  kiyohara #define SBP_DETACH_SDEV(sd)	sbp_scsipi_detach_sdev((sd))
    488        1.1  kiyohara #define SBP_DETACH_TARGET(st)	sbp_scsipi_detach_target((st))
    489        1.1  kiyohara #endif
    490        1.1  kiyohara 
    491        1.1  kiyohara static const char *orb_status0[] = {
    492        1.1  kiyohara 	/* 0 */ "No additional information to report",
    493        1.1  kiyohara 	/* 1 */ "Request type not supported",
    494        1.1  kiyohara 	/* 2 */ "Speed not supported",
    495        1.1  kiyohara 	/* 3 */ "Page size not supported",
    496        1.1  kiyohara 	/* 4 */ "Access denied",
    497        1.1  kiyohara 	/* 5 */ "Logical unit not supported",
    498        1.1  kiyohara 	/* 6 */ "Maximum payload too small",
    499        1.1  kiyohara 	/* 7 */ "Reserved for future standardization",
    500        1.1  kiyohara 	/* 8 */ "Resources unavailable",
    501        1.1  kiyohara 	/* 9 */ "Function rejected",
    502        1.1  kiyohara 	/* A */ "Login ID not recognized",
    503        1.1  kiyohara 	/* B */ "Dummy ORB completed",
    504        1.1  kiyohara 	/* C */ "Request aborted",
    505        1.1  kiyohara 	/* FF */ "Unspecified error"
    506        1.1  kiyohara #define MAX_ORB_STATUS0 0xd
    507        1.1  kiyohara };
    508        1.1  kiyohara 
    509        1.1  kiyohara static const char *orb_status1_object[] = {
    510        1.1  kiyohara 	/* 0 */ "Operation request block (ORB)",
    511        1.1  kiyohara 	/* 1 */ "Data buffer",
    512        1.1  kiyohara 	/* 2 */ "Page table",
    513        1.1  kiyohara 	/* 3 */ "Unable to specify"
    514        1.1  kiyohara };
    515        1.1  kiyohara 
    516        1.1  kiyohara static const char *orb_status1_serial_bus_error[] = {
    517        1.1  kiyohara 	/* 0 */ "Missing acknowledge",
    518        1.1  kiyohara 	/* 1 */ "Reserved; not to be used",
    519        1.1  kiyohara 	/* 2 */ "Time-out error",
    520        1.1  kiyohara 	/* 3 */ "Reserved; not to be used",
    521        1.1  kiyohara 	/* 4 */ "Busy retry limit exceeded(X)",
    522        1.1  kiyohara 	/* 5 */ "Busy retry limit exceeded(A)",
    523        1.1  kiyohara 	/* 6 */ "Busy retry limit exceeded(B)",
    524        1.1  kiyohara 	/* 7 */ "Reserved for future standardization",
    525        1.1  kiyohara 	/* 8 */ "Reserved for future standardization",
    526        1.1  kiyohara 	/* 9 */ "Reserved for future standardization",
    527        1.1  kiyohara 	/* A */ "Reserved for future standardization",
    528        1.1  kiyohara 	/* B */ "Tardy retry limit exceeded",
    529        1.1  kiyohara 	/* C */ "Conflict error",
    530        1.1  kiyohara 	/* D */ "Data error",
    531        1.1  kiyohara 	/* E */ "Type error",
    532        1.1  kiyohara 	/* F */ "Address error"
    533        1.1  kiyohara };
    534        1.1  kiyohara 
    535        1.1  kiyohara #if defined(__FreeBSD__)
    536        1.1  kiyohara #if 0
    537        1.1  kiyohara static void
    538        1.1  kiyohara sbp_identify(driver_t *driver, device_t parent)
    539        1.1  kiyohara {
    540        1.1  kiyohara 	device_t child;
    541        1.1  kiyohara SBP_DEBUG(0)
    542        1.1  kiyohara 	printf("sbp_identify\n");
    543        1.1  kiyohara END_DEBUG
    544        1.1  kiyohara 
    545        1.1  kiyohara 	child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent));
    546        1.1  kiyohara }
    547        1.1  kiyohara #endif
    548        1.1  kiyohara 
    549        1.1  kiyohara /*
    550        1.1  kiyohara  * sbp_probe()
    551        1.1  kiyohara  */
    552        1.1  kiyohara static int
    553        1.1  kiyohara sbp_probe(device_t dev)
    554        1.1  kiyohara {
    555        1.1  kiyohara 	device_t pa;
    556        1.1  kiyohara 
    557        1.1  kiyohara SBP_DEBUG(0)
    558        1.1  kiyohara 	printf("sbp_probe\n");
    559        1.1  kiyohara END_DEBUG
    560        1.1  kiyohara 
    561        1.1  kiyohara 	pa = device_get_parent(dev);
    562        1.1  kiyohara 	if(device_get_unit(dev) != device_get_unit(pa)){
    563        1.1  kiyohara 		return(ENXIO);
    564        1.1  kiyohara 	}
    565        1.1  kiyohara 
    566        1.1  kiyohara 	device_set_desc(dev, "SBP-2/SCSI over FireWire");
    567        1.1  kiyohara 
    568        1.1  kiyohara #if 0
    569        1.1  kiyohara 	if (bootverbose)
    570        1.1  kiyohara 		debug = bootverbose;
    571        1.1  kiyohara #endif
    572        1.1  kiyohara 
    573        1.1  kiyohara 	return (0);
    574        1.1  kiyohara }
    575        1.1  kiyohara #elif defined(__NetBSD__)
    576        1.1  kiyohara int
    577       1.13  christos sbpmatch(struct device *parent, struct cfdata *cf, void *aux)
    578        1.1  kiyohara {
    579        1.1  kiyohara 	struct fw_attach_args *fwa = aux;
    580        1.1  kiyohara 
    581        1.1  kiyohara 	if (strcmp(fwa->name, "sbp") == 0)
    582        1.1  kiyohara 		return (1);
    583        1.1  kiyohara 	return (0);
    584        1.1  kiyohara }
    585        1.1  kiyohara #endif
    586        1.1  kiyohara 
    587        1.1  kiyohara static void
    588        1.1  kiyohara sbp_show_sdev_info(struct sbp_dev *sdev, int new)
    589        1.1  kiyohara {
    590        1.1  kiyohara 	struct fw_device *fwdev;
    591        1.1  kiyohara 
    592        1.1  kiyohara 	printf("%s:%d:%d ",
    593        1.1  kiyohara 		device_get_nameunit(sdev->target->sbp->fd.dev),
    594        1.1  kiyohara 		sdev->target->target_id,
    595        1.1  kiyohara 		sdev->lun_id
    596        1.1  kiyohara 	);
    597        1.1  kiyohara 	if (new == 2) {
    598        1.1  kiyohara 		return;
    599        1.1  kiyohara 	}
    600        1.1  kiyohara 	fwdev = sdev->target->fwdev;
    601        1.1  kiyohara 	printf("ordered:%d type:%d EUI:%08x%08x node:%d "
    602        1.1  kiyohara 		"speed:%d maxrec:%d",
    603        1.1  kiyohara 		(sdev->type & 0x40) >> 6,
    604        1.1  kiyohara 		(sdev->type & 0x1f),
    605        1.1  kiyohara 		fwdev->eui.hi,
    606        1.1  kiyohara 		fwdev->eui.lo,
    607        1.1  kiyohara 		fwdev->dst,
    608        1.1  kiyohara 		fwdev->speed,
    609        1.1  kiyohara 		fwdev->maxrec
    610        1.1  kiyohara 	);
    611        1.1  kiyohara 	if (new)
    612        1.1  kiyohara 		printf(" new!\n");
    613        1.1  kiyohara 	else
    614        1.1  kiyohara 		printf("\n");
    615        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
    616        1.1  kiyohara 	printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
    617        1.1  kiyohara }
    618        1.1  kiyohara 
    619        1.1  kiyohara static void
    620        1.1  kiyohara sbp_alloc_lun(struct sbp_target *target)
    621        1.1  kiyohara {
    622        1.1  kiyohara 	struct crom_context cc;
    623        1.1  kiyohara 	struct csrreg *reg;
    624        1.1  kiyohara 	struct sbp_dev *sdev, **newluns;
    625        1.1  kiyohara 	struct sbp_softc *sbp;
    626        1.1  kiyohara 	int maxlun, lun, i;
    627        1.1  kiyohara 
    628        1.1  kiyohara 	sbp = target->sbp;
    629        1.1  kiyohara 	crom_init_context(&cc, target->fwdev->csrrom);
    630        1.1  kiyohara 	/* XXX shoud parse appropriate unit directories only */
    631        1.1  kiyohara 	maxlun = -1;
    632        1.1  kiyohara 	while (cc.depth >= 0) {
    633        1.1  kiyohara 		reg = crom_search_key(&cc, CROM_LUN);
    634        1.1  kiyohara 		if (reg == NULL)
    635        1.1  kiyohara 			break;
    636        1.1  kiyohara 		lun = reg->val & 0xffff;
    637        1.1  kiyohara SBP_DEBUG(0)
    638        1.1  kiyohara 		printf("target %d lun %d found\n", target->target_id, lun);
    639        1.1  kiyohara END_DEBUG
    640        1.1  kiyohara 		if (maxlun < lun)
    641        1.1  kiyohara 			maxlun = lun;
    642        1.1  kiyohara 		crom_next(&cc);
    643        1.1  kiyohara 	}
    644        1.1  kiyohara 	if (maxlun < 0)
    645        1.1  kiyohara 		printf("%s:%d no LUN found\n",
    646        1.1  kiyohara 		    device_get_nameunit(target->sbp->fd.dev),
    647        1.1  kiyohara 		    target->target_id);
    648        1.1  kiyohara 
    649        1.1  kiyohara 	maxlun ++;
    650        1.1  kiyohara 	if (maxlun >= SBP_NUM_LUNS)
    651        1.1  kiyohara 		maxlun = SBP_NUM_LUNS;
    652        1.1  kiyohara 
    653        1.1  kiyohara 	/* Invalidiate stale devices */
    654        1.1  kiyohara 	for (lun = 0; lun < target->num_lun; lun ++) {
    655        1.1  kiyohara 		sdev = target->luns[lun];
    656        1.1  kiyohara 		if (sdev == NULL)
    657        1.1  kiyohara 			continue;
    658        1.1  kiyohara 		sdev->flags &= ~VALID_LUN;
    659        1.1  kiyohara 		if (lun >= maxlun) {
    660        1.1  kiyohara 			/* lost device */
    661        1.1  kiyohara 			SBP_DETACH_SDEV(sdev);
    662        1.1  kiyohara 			sbp_free_sdev(sdev);
    663        1.1  kiyohara 		}
    664        1.1  kiyohara 	}
    665        1.1  kiyohara 
    666        1.1  kiyohara 	/* Reallocate */
    667        1.1  kiyohara 	if (maxlun != target->num_lun) {
    668        1.1  kiyohara 		newluns = (struct sbp_dev **) realloc(target->luns,
    669        1.1  kiyohara 		    sizeof(struct sbp_dev *) * maxlun,
    670        1.1  kiyohara 		    M_SBP, M_NOWAIT | M_ZERO);
    671        1.1  kiyohara 
    672        1.1  kiyohara 		if (newluns == NULL) {
    673        1.1  kiyohara 			printf("%s: realloc failed\n", __func__);
    674        1.1  kiyohara 			newluns = target->luns;
    675        1.1  kiyohara 			maxlun = target->num_lun;
    676        1.1  kiyohara 		}
    677        1.1  kiyohara 
    678        1.1  kiyohara 		/*
    679        1.1  kiyohara 		 * We must zero the extended region for the case
    680        1.1  kiyohara 		 * realloc() doesn't allocate new buffer.
    681        1.1  kiyohara 		 */
    682        1.1  kiyohara 		if (maxlun > target->num_lun)
    683        1.1  kiyohara 			bzero(&newluns[target->num_lun],
    684        1.1  kiyohara 			    sizeof(struct sbp_dev *) *
    685        1.1  kiyohara 			    (maxlun - target->num_lun));
    686        1.1  kiyohara 
    687        1.1  kiyohara 		target->luns = newluns;
    688        1.1  kiyohara 		target->num_lun = maxlun;
    689        1.1  kiyohara 	}
    690        1.1  kiyohara 
    691        1.1  kiyohara 	crom_init_context(&cc, target->fwdev->csrrom);
    692        1.1  kiyohara 	while (cc.depth >= 0) {
    693        1.1  kiyohara 		int new = 0;
    694        1.1  kiyohara 
    695        1.1  kiyohara 		reg = crom_search_key(&cc, CROM_LUN);
    696        1.1  kiyohara 		if (reg == NULL)
    697        1.1  kiyohara 			break;
    698        1.1  kiyohara 		lun = reg->val & 0xffff;
    699        1.1  kiyohara 		if (lun >= SBP_NUM_LUNS) {
    700        1.1  kiyohara 			printf("too large lun %d\n", lun);
    701        1.1  kiyohara 			goto next;
    702        1.1  kiyohara 		}
    703        1.1  kiyohara 
    704        1.1  kiyohara 		sdev = target->luns[lun];
    705        1.1  kiyohara 		if (sdev == NULL) {
    706        1.1  kiyohara 			sdev = malloc(sizeof(struct sbp_dev),
    707        1.1  kiyohara 			    M_SBP, M_NOWAIT | M_ZERO);
    708        1.1  kiyohara 			if (sdev == NULL) {
    709        1.1  kiyohara 				printf("%s: malloc failed\n", __func__);
    710        1.1  kiyohara 				goto next;
    711        1.1  kiyohara 			}
    712        1.1  kiyohara 			target->luns[lun] = sdev;
    713        1.1  kiyohara 			sdev->lun_id = lun;
    714        1.1  kiyohara 			sdev->target = target;
    715        1.1  kiyohara 			STAILQ_INIT(&sdev->ocbs);
    716        1.1  kiyohara 			CALLOUT_INIT(&sdev->login_callout);
    717        1.1  kiyohara 			sdev->status = SBP_DEV_RESET;
    718        1.1  kiyohara 			new = 1;
    719        1.1  kiyohara 			SBP_DEVICE_PREATTACH();
    720        1.1  kiyohara 		}
    721        1.1  kiyohara 		sdev->flags |= VALID_LUN;
    722        1.1  kiyohara 		sdev->type = (reg->val & 0xff0000) >> 16;
    723        1.1  kiyohara 
    724        1.1  kiyohara 		if (new == 0)
    725        1.1  kiyohara 			goto next;
    726        1.1  kiyohara 
    727        1.1  kiyohara 		fwdma_malloc(sbp->fd.fc,
    728        1.1  kiyohara 			/* alignment */ sizeof(uint32_t),
    729        1.1  kiyohara 			SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
    730        1.1  kiyohara 		if (sdev->dma.v_addr == NULL) {
    731        1.1  kiyohara 			printf("%s: dma space allocation failed\n",
    732        1.1  kiyohara 							__func__);
    733        1.1  kiyohara 			free(sdev, M_SBP);
    734        1.1  kiyohara 			target->luns[lun] = NULL;
    735        1.1  kiyohara 			goto next;
    736        1.1  kiyohara 		}
    737        1.1  kiyohara 		sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
    738        1.1  kiyohara 		sdev->ocb = (struct sbp_ocb *)
    739        1.1  kiyohara 				((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
    740        1.1  kiyohara 		bzero((char *)sdev->ocb,
    741        1.1  kiyohara 			sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
    742        1.1  kiyohara 
    743        1.1  kiyohara 		STAILQ_INIT(&sdev->free_ocbs);
    744        1.1  kiyohara 		for (i = 0; i < SBP_QUEUE_LEN; i++) {
    745        1.1  kiyohara 			struct sbp_ocb *ocb;
    746        1.1  kiyohara 			ocb = &sdev->ocb[i];
    747        1.1  kiyohara 			ocb->bus_addr = sdev->dma.bus_addr
    748        1.1  kiyohara 				+ SBP_LOGIN_SIZE
    749        1.1  kiyohara 				+ sizeof(struct sbp_ocb) * i
    750        1.1  kiyohara 				+ offsetof(struct sbp_ocb, orb[0]);
    751        1.1  kiyohara 			if (fw_bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
    752        1.1  kiyohara 				printf("sbp_attach: cannot create dmamap\n");
    753        1.1  kiyohara 				/* XXX */
    754        1.1  kiyohara 				goto next;
    755        1.1  kiyohara 			}
    756        1.1  kiyohara 			sbp_free_ocb(sdev, ocb);
    757        1.1  kiyohara 		}
    758        1.1  kiyohara next:
    759        1.1  kiyohara 		crom_next(&cc);
    760        1.1  kiyohara 	}
    761        1.1  kiyohara 
    762        1.1  kiyohara 	for (lun = 0; lun < target->num_lun; lun ++) {
    763        1.1  kiyohara 		sdev = target->luns[lun];
    764        1.1  kiyohara 		if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
    765        1.1  kiyohara 			SBP_DETACH_SDEV(sdev);
    766        1.1  kiyohara 			sbp_free_sdev(sdev);
    767        1.1  kiyohara 			target->luns[lun] = NULL;
    768        1.1  kiyohara 		}
    769        1.1  kiyohara 	}
    770        1.1  kiyohara }
    771        1.1  kiyohara 
    772        1.1  kiyohara static struct sbp_target *
    773        1.1  kiyohara sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
    774        1.1  kiyohara {
    775        1.1  kiyohara 	struct sbp_target *target;
    776        1.1  kiyohara 	struct crom_context cc;
    777        1.1  kiyohara 	struct csrreg *reg;
    778        1.1  kiyohara 
    779        1.1  kiyohara SBP_DEBUG(1)
    780        1.1  kiyohara 	printf("sbp_alloc_target\n");
    781        1.1  kiyohara END_DEBUG
    782        1.1  kiyohara 	/* new target */
    783        1.1  kiyohara 	target = &sbp->target;
    784        1.1  kiyohara 	target->sbp = sbp;
    785        1.1  kiyohara 	target->fwdev = fwdev;
    786        1.1  kiyohara 	target->target_id = 0;
    787        1.1  kiyohara 	/* XXX we may want to reload mgm port after each bus reset */
    788        1.1  kiyohara 	/* XXX there might be multiple management agents */
    789        1.1  kiyohara 	crom_init_context(&cc, target->fwdev->csrrom);
    790        1.1  kiyohara 	reg = crom_search_key(&cc, CROM_MGM);
    791        1.1  kiyohara 	if (reg == NULL || reg->val == 0) {
    792        1.1  kiyohara 		printf("NULL management address\n");
    793        1.1  kiyohara 		target->fwdev = NULL;
    794        1.1  kiyohara 		return NULL;
    795        1.1  kiyohara 	}
    796        1.1  kiyohara 	target->mgm_hi = 0xffff;
    797        1.1  kiyohara 	target->mgm_lo = 0xf0000000 | (reg->val << 2);
    798        1.1  kiyohara 	target->mgm_ocb_cur = NULL;
    799        1.1  kiyohara SBP_DEBUG(1)
    800        1.1  kiyohara 	printf("target: mgm_port: %x\n", target->mgm_lo);
    801        1.1  kiyohara END_DEBUG
    802        1.1  kiyohara 	STAILQ_INIT(&target->xferlist);
    803        1.1  kiyohara 	target->n_xfer = 0;
    804        1.1  kiyohara 	STAILQ_INIT(&target->mgm_ocb_queue);
    805        1.1  kiyohara 	CALLOUT_INIT(&target->mgm_ocb_timeout);
    806        1.1  kiyohara 	CALLOUT_INIT(&target->scan_callout);
    807        1.1  kiyohara 
    808        1.1  kiyohara 	target->luns = NULL;
    809        1.1  kiyohara 	target->num_lun = 0;
    810        1.1  kiyohara 	return target;
    811        1.1  kiyohara }
    812        1.1  kiyohara 
    813        1.1  kiyohara static void
    814        1.1  kiyohara sbp_probe_lun(struct sbp_dev *sdev)
    815        1.1  kiyohara {
    816        1.1  kiyohara 	struct fw_device *fwdev;
    817        1.1  kiyohara 	struct crom_context c, *cc = &c;
    818        1.1  kiyohara 	struct csrreg *reg;
    819        1.1  kiyohara 
    820        1.1  kiyohara 	bzero(sdev->vendor, sizeof(sdev->vendor));
    821        1.1  kiyohara 	bzero(sdev->product, sizeof(sdev->product));
    822        1.1  kiyohara 
    823        1.1  kiyohara 	fwdev = sdev->target->fwdev;
    824        1.1  kiyohara 	crom_init_context(cc, fwdev->csrrom);
    825        1.1  kiyohara 	/* get vendor string */
    826        1.1  kiyohara 	crom_search_key(cc, CSRKEY_VENDOR);
    827        1.1  kiyohara 	crom_next(cc);
    828        1.1  kiyohara 	crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
    829        1.1  kiyohara 	/* skip to the unit directory for SBP-2 */
    830        1.1  kiyohara 	while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
    831        1.1  kiyohara 		if (reg->val == CSRVAL_T10SBP2)
    832        1.1  kiyohara 			break;
    833        1.1  kiyohara 		crom_next(cc);
    834        1.1  kiyohara 	}
    835        1.1  kiyohara 	/* get firmware revision */
    836        1.1  kiyohara 	reg = crom_search_key(cc, CSRKEY_FIRM_VER);
    837        1.1  kiyohara 	if (reg != NULL)
    838        1.1  kiyohara 		snprintf(sdev->revision, sizeof(sdev->revision),
    839        1.1  kiyohara 						"%06x", reg->val);
    840        1.1  kiyohara 	/* get product string */
    841        1.1  kiyohara 	crom_search_key(cc, CSRKEY_MODEL);
    842        1.1  kiyohara 	crom_next(cc);
    843        1.1  kiyohara 	crom_parse_text(cc, sdev->product, sizeof(sdev->product));
    844        1.1  kiyohara }
    845        1.1  kiyohara 
    846        1.1  kiyohara static void
    847        1.1  kiyohara sbp_login_callout(void *arg)
    848        1.1  kiyohara {
    849        1.1  kiyohara 	struct sbp_dev *sdev = (struct sbp_dev *)arg;
    850        1.1  kiyohara 	sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
    851        1.1  kiyohara }
    852        1.1  kiyohara 
    853        1.1  kiyohara static void
    854        1.1  kiyohara sbp_login(struct sbp_dev *sdev)
    855        1.1  kiyohara {
    856        1.1  kiyohara 	struct timeval delta;
    857        1.1  kiyohara 	struct timeval t;
    858        1.1  kiyohara 	int ticks = 0;
    859        1.1  kiyohara 
    860        1.1  kiyohara 	microtime(&delta);
    861        1.1  kiyohara 	timevalsub(&delta, &sdev->target->sbp->last_busreset);
    862        1.1  kiyohara 	t.tv_sec = login_delay / 1000;
    863        1.1  kiyohara 	t.tv_usec = (login_delay % 1000) * 1000;
    864        1.1  kiyohara 	timevalsub(&t, &delta);
    865        1.1  kiyohara 	if (t.tv_sec >= 0 && t.tv_usec > 0)
    866        1.1  kiyohara 		ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
    867        1.1  kiyohara SBP_DEBUG(0)
    868       1.16  kiyohara 	printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__,
    869       1.16  kiyohara 	    (intmax_t)t.tv_sec, t.tv_usec, ticks);
    870        1.1  kiyohara END_DEBUG
    871        1.1  kiyohara 	callout_reset(&sdev->login_callout, ticks,
    872        1.1  kiyohara 			sbp_login_callout, (void *)(sdev));
    873        1.1  kiyohara }
    874        1.1  kiyohara 
    875        1.1  kiyohara static void
    876        1.1  kiyohara sbp_probe_target(void *arg)
    877        1.1  kiyohara {
    878        1.1  kiyohara 	struct sbp_target *target = (struct sbp_target *)arg;
    879        1.1  kiyohara 	struct sbp_softc *sbp;
    880        1.1  kiyohara 	struct sbp_dev *sdev;
    881        1.1  kiyohara 	struct firewire_comm *fc;
    882        1.1  kiyohara 	int i;
    883        1.1  kiyohara 
    884        1.1  kiyohara SBP_DEBUG(1)
    885        1.1  kiyohara 	printf("sbp_probe_target %d\n", target->target_id);
    886        1.1  kiyohara END_DEBUG
    887        1.1  kiyohara 
    888        1.1  kiyohara 	sbp = target->sbp;
    889        1.1  kiyohara 	fc = target->sbp->fd.fc;
    890        1.1  kiyohara 	sbp_alloc_lun(target);
    891        1.1  kiyohara 
    892        1.1  kiyohara 	/* XXX untimeout mgm_ocb and dequeue */
    893        1.1  kiyohara 	for (i=0; i < target->num_lun; i++) {
    894        1.1  kiyohara 		sdev = target->luns[i];
    895        1.1  kiyohara 		if (sdev == NULL)
    896        1.1  kiyohara 			continue;
    897        1.1  kiyohara 		if (sdev->status != SBP_DEV_DEAD) {
    898        1.1  kiyohara 			if (SBP_DEVICE(sdev) != NULL) {
    899        1.1  kiyohara 				SBP_DEVICE_FREEZE(sdev, 1);
    900        1.1  kiyohara 				sdev->freeze ++;
    901        1.1  kiyohara 			}
    902        1.1  kiyohara 			sbp_probe_lun(sdev);
    903        1.1  kiyohara SBP_DEBUG(0)
    904        1.1  kiyohara 			sbp_show_sdev_info(sdev,
    905        1.1  kiyohara 					(sdev->status == SBP_DEV_RESET));
    906        1.1  kiyohara END_DEBUG
    907        1.1  kiyohara 
    908        1.1  kiyohara 			sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET);
    909        1.1  kiyohara 			switch (sdev->status) {
    910        1.1  kiyohara 			case SBP_DEV_RESET:
    911        1.1  kiyohara 				/* new or revived target */
    912        1.1  kiyohara 				if (auto_login)
    913        1.1  kiyohara 					sbp_login(sdev);
    914        1.1  kiyohara 				break;
    915        1.1  kiyohara 			case SBP_DEV_TOATTACH:
    916        1.1  kiyohara 			case SBP_DEV_PROBE:
    917        1.1  kiyohara 			case SBP_DEV_ATTACHED:
    918        1.1  kiyohara 			case SBP_DEV_RETRY:
    919        1.1  kiyohara 			default:
    920        1.1  kiyohara 				sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
    921        1.1  kiyohara 				break;
    922        1.1  kiyohara 			}
    923        1.1  kiyohara 		} else {
    924        1.1  kiyohara 			switch (sdev->status) {
    925        1.1  kiyohara 			case SBP_DEV_ATTACHED:
    926        1.1  kiyohara SBP_DEBUG(0)
    927        1.1  kiyohara 				/* the device has gone */
    928        1.1  kiyohara 				sbp_show_sdev_info(sdev, 2);
    929        1.1  kiyohara 				printf("lost target\n");
    930        1.1  kiyohara END_DEBUG
    931        1.1  kiyohara 				if (SBP_DEVICE(sdev) != NULL) {
    932        1.1  kiyohara 					SBP_DEVICE_FREEZE(sdev, 1);
    933        1.1  kiyohara 					sdev->freeze ++;
    934        1.1  kiyohara 				}
    935        1.1  kiyohara 				sdev->status = SBP_DEV_RETRY;
    936        1.1  kiyohara 				sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET);
    937        1.1  kiyohara 				break;
    938        1.1  kiyohara 			case SBP_DEV_PROBE:
    939        1.1  kiyohara 			case SBP_DEV_TOATTACH:
    940        1.1  kiyohara 				sdev->status = SBP_DEV_RESET;
    941        1.1  kiyohara 				break;
    942        1.1  kiyohara 			case SBP_DEV_RETRY:
    943        1.1  kiyohara 			case SBP_DEV_RESET:
    944        1.1  kiyohara 			case SBP_DEV_DEAD:
    945        1.1  kiyohara 				break;
    946        1.1  kiyohara 			}
    947        1.1  kiyohara 		}
    948        1.1  kiyohara 	}
    949        1.1  kiyohara }
    950        1.1  kiyohara 
    951        1.1  kiyohara #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
    952        1.1  kiyohara 	&& crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
    953        1.1  kiyohara 
    954        1.1  kiyohara static void
    955        1.1  kiyohara sbp_post_busreset(void *arg)
    956        1.1  kiyohara {
    957        1.1  kiyohara 	struct sbp_softc *sbp = (struct sbp_softc *)arg;
    958        1.1  kiyohara 	struct sbp_target *target = &sbp->target;
    959        1.1  kiyohara 	struct fw_device *fwdev = target->fwdev;
    960        1.1  kiyohara 	int alive;
    961        1.1  kiyohara 
    962        1.1  kiyohara 	alive = SBP_FWDEV_ALIVE(fwdev);
    963        1.1  kiyohara SBP_DEBUG(0)
    964        1.1  kiyohara 	printf("sbp_post_busreset\n");
    965        1.1  kiyohara 	if (!alive)
    966        1.1  kiyohara 		printf("not alive\n");
    967        1.1  kiyohara END_DEBUG
    968       1.10  kiyohara 	microtime(&sbp->last_busreset);
    969       1.10  kiyohara 
    970        1.1  kiyohara 	if (!alive)
    971        1.1  kiyohara 		return;
    972        1.1  kiyohara 
    973        1.1  kiyohara 	SBP_BUS_FREEZE(sbp);
    974        1.1  kiyohara }
    975        1.1  kiyohara 
    976        1.1  kiyohara static void
    977        1.1  kiyohara sbp_post_explore(void *arg)
    978        1.1  kiyohara {
    979        1.1  kiyohara 	struct sbp_softc *sbp = (struct sbp_softc *)arg;
    980        1.1  kiyohara 	struct sbp_target *target = &sbp->target;
    981        1.1  kiyohara 	struct fw_device *fwdev = target->fwdev;
    982        1.1  kiyohara 	int alive;
    983        1.1  kiyohara 
    984        1.1  kiyohara 	alive = SBP_FWDEV_ALIVE(fwdev);
    985        1.1  kiyohara SBP_DEBUG(0)
    986        1.1  kiyohara 	printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
    987        1.1  kiyohara 	if (!alive)
    988        1.1  kiyohara 		printf("not alive\n");
    989        1.1  kiyohara END_DEBUG
    990        1.1  kiyohara 	if (!alive)
    991        1.1  kiyohara 		return;
    992        1.1  kiyohara 
    993        1.1  kiyohara 	if (sbp_cold > 0)
    994        1.1  kiyohara 		sbp_cold --;
    995        1.1  kiyohara 
    996        1.1  kiyohara #if 0
    997        1.1  kiyohara 	/*
    998        1.1  kiyohara 	 * XXX don't let CAM the bus rest.
    999        1.1  kiyohara 	 * CAM tries to do something with freezed (DEV_RETRY) devices.
   1000        1.1  kiyohara 	 */
   1001        1.1  kiyohara 	xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
   1002        1.1  kiyohara #endif
   1003        1.1  kiyohara 
   1004        1.1  kiyohara SBP_DEBUG(0)
   1005        1.1  kiyohara 	printf("sbp_post_explore: EUI:%08x%08x ", fwdev->eui.hi, fwdev->eui.lo);
   1006        1.1  kiyohara END_DEBUG
   1007        1.1  kiyohara 	sbp_probe_target((void *)target);
   1008        1.1  kiyohara 	if (target->num_lun == 0)
   1009        1.1  kiyohara 		sbp_free_target(target);
   1010        1.1  kiyohara 
   1011        1.1  kiyohara 	SBP_BUS_THAW(sbp);
   1012        1.1  kiyohara }
   1013        1.1  kiyohara 
   1014        1.1  kiyohara #if NEED_RESPONSE
   1015        1.1  kiyohara static void
   1016        1.1  kiyohara sbp_loginres_callback(struct fw_xfer *xfer){
   1017        1.1  kiyohara 	int s;
   1018        1.1  kiyohara 	struct sbp_dev *sdev;
   1019        1.1  kiyohara 	sdev = (struct sbp_dev *)xfer->sc;
   1020        1.1  kiyohara SBP_DEBUG(1)
   1021        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1022        1.1  kiyohara 	printf("sbp_loginres_callback\n");
   1023        1.1  kiyohara END_DEBUG
   1024        1.1  kiyohara 	/* recycle */
   1025        1.1  kiyohara 	s = splfw();
   1026        1.1  kiyohara 	STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
   1027        1.1  kiyohara 	splx(s);
   1028        1.1  kiyohara 	return;
   1029        1.1  kiyohara }
   1030        1.1  kiyohara #endif
   1031        1.1  kiyohara 
   1032        1.4     perry static inline void
   1033        1.1  kiyohara sbp_xfer_free(struct fw_xfer *xfer)
   1034        1.1  kiyohara {
   1035        1.1  kiyohara 	struct sbp_dev *sdev;
   1036        1.1  kiyohara 	int s;
   1037        1.1  kiyohara 
   1038        1.1  kiyohara 	sdev = (struct sbp_dev *)xfer->sc;
   1039        1.1  kiyohara 	fw_xfer_unload(xfer);
   1040        1.1  kiyohara 	s = splfw();
   1041        1.1  kiyohara 	STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
   1042        1.1  kiyohara 	splx(s);
   1043        1.1  kiyohara }
   1044        1.1  kiyohara 
   1045        1.1  kiyohara static void
   1046        1.1  kiyohara sbp_reset_start_callback(struct fw_xfer *xfer)
   1047        1.1  kiyohara {
   1048        1.1  kiyohara 	struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
   1049        1.1  kiyohara 	struct sbp_target *target = sdev->target;
   1050        1.1  kiyohara 	int i;
   1051        1.1  kiyohara 
   1052        1.1  kiyohara 	if (xfer->resp != 0) {
   1053        1.1  kiyohara 		sbp_show_sdev_info(sdev, 2);
   1054        1.1  kiyohara 		printf("sbp_reset_start failed: resp=%d\n", xfer->resp);
   1055        1.1  kiyohara 	}
   1056        1.1  kiyohara 
   1057        1.1  kiyohara 	for (i = 0; i < target->num_lun; i++) {
   1058        1.1  kiyohara 		tsdev = target->luns[i];
   1059        1.1  kiyohara 		if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
   1060        1.1  kiyohara 			sbp_login(tsdev);
   1061        1.1  kiyohara 	}
   1062        1.1  kiyohara }
   1063        1.1  kiyohara 
   1064        1.1  kiyohara static void
   1065        1.1  kiyohara sbp_reset_start(struct sbp_dev *sdev)
   1066        1.1  kiyohara {
   1067        1.1  kiyohara 	struct fw_xfer *xfer;
   1068        1.1  kiyohara 	struct fw_pkt *fp;
   1069        1.1  kiyohara 
   1070        1.1  kiyohara SBP_DEBUG(0)
   1071        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1072        1.1  kiyohara 	printf("sbp_reset_start\n");
   1073        1.1  kiyohara END_DEBUG
   1074        1.1  kiyohara 
   1075        1.1  kiyohara 	xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
   1076        1.1  kiyohara 	xfer->hand = sbp_reset_start_callback;
   1077        1.1  kiyohara 	fp = &xfer->send.hdr;
   1078        1.1  kiyohara 	fp->mode.wreqq.dest_hi = 0xffff;
   1079        1.1  kiyohara 	fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
   1080        1.1  kiyohara 	fp->mode.wreqq.data = htonl(0xf);
   1081        1.1  kiyohara 	fw_asyreq(xfer->fc, -1, xfer);
   1082        1.1  kiyohara }
   1083        1.1  kiyohara 
   1084        1.1  kiyohara static void
   1085        1.1  kiyohara sbp_mgm_callback(struct fw_xfer *xfer)
   1086        1.1  kiyohara {
   1087        1.1  kiyohara 	struct sbp_dev *sdev;
   1088        1.1  kiyohara 	int resp;
   1089        1.1  kiyohara 
   1090        1.1  kiyohara 	sdev = (struct sbp_dev *)xfer->sc;
   1091        1.1  kiyohara 
   1092        1.1  kiyohara SBP_DEBUG(1)
   1093        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1094        1.1  kiyohara 	printf("sbp_mgm_callback\n");
   1095        1.1  kiyohara END_DEBUG
   1096        1.1  kiyohara 	resp = xfer->resp;
   1097        1.1  kiyohara 	sbp_xfer_free(xfer);
   1098        1.1  kiyohara #if 0
   1099        1.1  kiyohara 	if (resp != 0) {
   1100        1.1  kiyohara 		sbp_show_sdev_info(sdev, 2);
   1101        1.1  kiyohara 		printf("management ORB failed(%d) ... RESET_START\n", resp);
   1102        1.1  kiyohara 		sbp_reset_start(sdev);
   1103        1.1  kiyohara 	}
   1104        1.1  kiyohara #endif
   1105        1.1  kiyohara 	return;
   1106        1.1  kiyohara }
   1107        1.1  kiyohara 
   1108        1.1  kiyohara #if defined(__FreeBSD__)
   1109        1.1  kiyohara static struct sbp_dev *
   1110        1.1  kiyohara sbp_next_dev(struct sbp_target *target, int lun)
   1111        1.1  kiyohara {
   1112        1.1  kiyohara 	struct sbp_dev **sdevp;
   1113        1.1  kiyohara 	int i;
   1114        1.1  kiyohara 
   1115        1.1  kiyohara 	for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
   1116        1.1  kiyohara 	    i++, sdevp++)
   1117        1.1  kiyohara 		if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
   1118        1.1  kiyohara 			return(*sdevp);
   1119        1.1  kiyohara 	return(NULL);
   1120        1.1  kiyohara }
   1121        1.1  kiyohara 
   1122        1.1  kiyohara #define SCAN_PRI 1
   1123        1.1  kiyohara static void
   1124        1.1  kiyohara sbp_cam_scan_lun(struct cam_periph *periph, sbp_scsi_xfer *sxfer)
   1125        1.1  kiyohara {
   1126        1.1  kiyohara 	struct sbp_target *target;
   1127        1.1  kiyohara 	struct sbp_dev *sdev;
   1128        1.1  kiyohara 
   1129        1.1  kiyohara 	sdev = (struct sbp_dev *) sxfer->ccb_h.ccb_sdev_ptr;
   1130        1.1  kiyohara 	target = sdev->target;
   1131        1.1  kiyohara SBP_DEBUG(0)
   1132        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1133        1.1  kiyohara 	printf("sbp_cam_scan_lun\n");
   1134        1.1  kiyohara END_DEBUG
   1135        1.1  kiyohara 	if ((SCSI_XFER_ERROR(sxfer) & CAM_STATUS_MASK) == XS_REQ_CMP) {
   1136        1.1  kiyohara 		sdev->status = SBP_DEV_ATTACHED;
   1137        1.1  kiyohara 	} else {
   1138        1.1  kiyohara 		sbp_show_sdev_info(sdev, 2);
   1139        1.1  kiyohara 		printf("scan failed\n");
   1140        1.1  kiyohara 	}
   1141        1.1  kiyohara 	sdev = sbp_next_dev(target, sdev->lun_id + 1);
   1142        1.1  kiyohara 	if (sdev == NULL) {
   1143        1.1  kiyohara 		free(sxfer, M_SBP);
   1144        1.1  kiyohara 		return;
   1145        1.1  kiyohara 	}
   1146        1.1  kiyohara 	/* reuse sxfer */
   1147        1.1  kiyohara 	xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI);
   1148        1.1  kiyohara 	sxfer->ccb_h.ccb_sdev_ptr = sdev;
   1149        1.1  kiyohara 	xpt_action(sxfer);
   1150        1.1  kiyohara 	xpt_release_devq(sdev->path, sdev->freeze, TRUE);
   1151        1.1  kiyohara 	sdev->freeze = 1;
   1152        1.1  kiyohara }
   1153        1.1  kiyohara 
   1154        1.1  kiyohara static void
   1155        1.1  kiyohara sbp_cam_scan_target(void *arg)
   1156        1.1  kiyohara {
   1157        1.1  kiyohara 	struct sbp_target *target = (struct sbp_target *)arg;
   1158        1.1  kiyohara 	struct sbp_dev *sdev;
   1159        1.1  kiyohara 	sbp_scsi_xfer *sxfer;
   1160        1.1  kiyohara 
   1161        1.1  kiyohara 	sdev = sbp_next_dev(target, 0);
   1162        1.1  kiyohara 	if (sdev == NULL) {
   1163        1.1  kiyohara 		printf("sbp_cam_scan_target: nothing to do for target%d\n",
   1164        1.1  kiyohara 							target->target_id);
   1165        1.1  kiyohara 		return;
   1166        1.1  kiyohara 	}
   1167        1.1  kiyohara SBP_DEBUG(0)
   1168        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1169        1.1  kiyohara 	printf("sbp_cam_scan_target\n");
   1170        1.1  kiyohara END_DEBUG
   1171        1.1  kiyohara 	sxfer = malloc(sizeof(sbp_scsi_xfer), M_SBP, M_NOWAIT | M_ZERO);
   1172        1.1  kiyohara 	if (sxfer == NULL) {
   1173        1.1  kiyohara 		printf("sbp_cam_scan_target: malloc failed\n");
   1174        1.1  kiyohara 		return;
   1175        1.1  kiyohara 	}
   1176        1.1  kiyohara 	xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI);
   1177        1.1  kiyohara 	sxfer->ccb_h.func_code = XPT_SCAN_LUN;
   1178        1.1  kiyohara 	sxfer->ccb_h.cbfcnp = sbp_cam_scan_lun;
   1179        1.1  kiyohara 	sxfer->ccb_h.flags |= CAM_DEV_QFREEZE;
   1180        1.1  kiyohara 	sxfer->crcn.flags = CAM_FLAG_NONE;
   1181        1.1  kiyohara 	sxfer->ccb_h.ccb_sdev_ptr = sdev;
   1182        1.1  kiyohara 
   1183        1.1  kiyohara 	/* The scan is in progress now. */
   1184        1.1  kiyohara 	xpt_action(sxfer);
   1185        1.1  kiyohara 	xpt_release_devq(sdev->path, sdev->freeze, TRUE);
   1186        1.1  kiyohara 	sdev->freeze = 1;
   1187        1.1  kiyohara }
   1188        1.1  kiyohara 
   1189        1.4     perry static inline void
   1190        1.1  kiyohara sbp_scan_dev(struct sbp_dev *sdev)
   1191        1.1  kiyohara {
   1192        1.1  kiyohara 	sdev->status = SBP_DEV_PROBE;
   1193        1.1  kiyohara 	callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
   1194        1.1  kiyohara 			sbp_cam_scan_target, (void *)sdev->target);
   1195        1.1  kiyohara }
   1196        1.1  kiyohara #else
   1197        1.1  kiyohara static void
   1198        1.1  kiyohara fw_kthread_create0(void *arg)
   1199        1.1  kiyohara {
   1200        1.1  kiyohara 	struct sbp_softc *sbp = (struct sbp_softc *)arg;
   1201        1.1  kiyohara 
   1202        1.1  kiyohara 	/* create thread */
   1203       1.17        ad 	if (kthread_create(PRI_NONE, 0, NULL, sbp_scsipi_scan_target,
   1204       1.17        ad 	    &sbp->target, &sbp->lwp, "sbp%d_attach",
   1205        1.6   thorpej 	    device_unit(sbp->fd.dev))) {
   1206        1.1  kiyohara 
   1207        1.1  kiyohara 		device_printf(sbp->fd.dev, "unable to create thread");
   1208        1.1  kiyohara 		panic("fw_kthread_create");
   1209        1.1  kiyohara 	}
   1210        1.1  kiyohara }
   1211        1.1  kiyohara 
   1212        1.1  kiyohara static void
   1213        1.1  kiyohara sbp_scsipi_scan_target(void *arg)
   1214        1.1  kiyohara {
   1215        1.1  kiyohara 	struct sbp_target *target = (struct sbp_target *)arg;
   1216        1.1  kiyohara 	struct sbp_softc *sbp = target->sbp;
   1217        1.1  kiyohara 	struct sbp_dev *sdev;
   1218        1.1  kiyohara 	struct scsipi_channel *chan = &sbp->sc_channel;
   1219        1.1  kiyohara 	struct scsibus_softc *sc_bus = (struct scsibus_softc *)sbp->sc_bus;
   1220        1.1  kiyohara 	int lun, yet;
   1221        1.1  kiyohara 
   1222        1.1  kiyohara 	do {
   1223        1.1  kiyohara 		tsleep(target, PWAIT|PCATCH, "-", 0);
   1224        1.1  kiyohara 		yet = 0;
   1225        1.1  kiyohara 
   1226        1.1  kiyohara 		for (lun = 0; lun < target->num_lun; lun ++) {
   1227        1.1  kiyohara 			sdev = target->luns[lun];
   1228        1.1  kiyohara 			if (sdev == NULL)
   1229        1.1  kiyohara 				continue;
   1230        1.1  kiyohara 			if (sdev->status != SBP_DEV_PROBE) {
   1231        1.1  kiyohara 				yet ++;
   1232        1.1  kiyohara 				continue;
   1233        1.1  kiyohara 			}
   1234        1.1  kiyohara 
   1235        1.1  kiyohara 			if (sdev->periph == NULL) {
   1236        1.1  kiyohara 				if (chan->chan_nluns < target->num_lun)
   1237        1.1  kiyohara 					chan->chan_nluns = target->num_lun;
   1238        1.1  kiyohara 
   1239        1.1  kiyohara 				scsi_probe_bus(sc_bus,
   1240        1.1  kiyohara 				    target->target_id, sdev->lun_id);
   1241        1.1  kiyohara 				sdev->periph = scsipi_lookup_periph(
   1242        1.1  kiyohara 				    chan, target->target_id, lun);
   1243        1.1  kiyohara 			}
   1244        1.1  kiyohara 			sdev->status = SBP_DEV_ATTACHED;
   1245        1.1  kiyohara 		}
   1246        1.1  kiyohara 	} while (yet > 0);
   1247        1.1  kiyohara 
   1248       1.17        ad 	sbp->lwp = NULL;
   1249        1.1  kiyohara 	kthread_exit(0);
   1250        1.1  kiyohara }
   1251        1.1  kiyohara 
   1252        1.4     perry static inline void
   1253        1.1  kiyohara sbp_scan_dev(struct sbp_dev *sdev)
   1254        1.1  kiyohara {
   1255        1.1  kiyohara 	sdev->status = SBP_DEV_PROBE;
   1256        1.1  kiyohara 	wakeup(sdev->target);
   1257        1.1  kiyohara }
   1258        1.1  kiyohara #endif
   1259        1.1  kiyohara 
   1260        1.1  kiyohara 
   1261        1.1  kiyohara static void
   1262        1.1  kiyohara sbp_do_attach(struct fw_xfer *xfer)
   1263        1.1  kiyohara {
   1264        1.1  kiyohara 	struct sbp_dev *sdev;
   1265        1.1  kiyohara 	struct sbp_target *target;
   1266        1.1  kiyohara 	struct sbp_softc *sbp;
   1267        1.1  kiyohara 
   1268        1.1  kiyohara 	sdev = (struct sbp_dev *)xfer->sc;
   1269        1.1  kiyohara 	target = sdev->target;
   1270        1.1  kiyohara 	sbp = target->sbp;
   1271        1.1  kiyohara 
   1272        1.1  kiyohara SBP_DEBUG(0)
   1273        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1274        1.1  kiyohara 	printf("sbp_do_attach\n");
   1275        1.1  kiyohara END_DEBUG
   1276        1.1  kiyohara 	sbp_xfer_free(xfer);
   1277        1.1  kiyohara 
   1278        1.1  kiyohara #if defined(__FreeBSD__)
   1279        1.1  kiyohara 	if (sdev->path == NULL)
   1280        1.1  kiyohara 		xpt_create_path(&sdev->path, xpt_periph,
   1281        1.1  kiyohara 			cam_sim_path(target->sbp->sim),
   1282        1.1  kiyohara 			target->target_id, sdev->lun_id);
   1283        1.1  kiyohara 
   1284        1.1  kiyohara 	/*
   1285        1.1  kiyohara 	 * Let CAM scan the bus if we are in the boot process.
   1286        1.1  kiyohara 	 * XXX xpt_scan_bus cannot detect LUN larger than 0
   1287        1.1  kiyohara 	 * if LUN 0 doesn't exists.
   1288        1.1  kiyohara 	 */
   1289        1.1  kiyohara 	if (sbp_cold > 0) {
   1290        1.1  kiyohara 		sdev->status = SBP_DEV_ATTACHED;
   1291        1.1  kiyohara 		return;
   1292        1.1  kiyohara 	}
   1293        1.1  kiyohara #endif
   1294        1.1  kiyohara 
   1295        1.1  kiyohara 	sbp_scan_dev(sdev);
   1296        1.1  kiyohara 	return;
   1297        1.1  kiyohara }
   1298        1.1  kiyohara 
   1299        1.1  kiyohara static void
   1300        1.1  kiyohara sbp_agent_reset_callback(struct fw_xfer *xfer)
   1301        1.1  kiyohara {
   1302        1.1  kiyohara 	struct sbp_dev *sdev;
   1303        1.1  kiyohara 
   1304        1.1  kiyohara 	sdev = (struct sbp_dev *)xfer->sc;
   1305        1.1  kiyohara SBP_DEBUG(1)
   1306        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1307        1.1  kiyohara 	printf("%s\n", __func__);
   1308        1.1  kiyohara END_DEBUG
   1309        1.1  kiyohara 	if (xfer->resp != 0) {
   1310        1.1  kiyohara 		sbp_show_sdev_info(sdev, 2);
   1311        1.1  kiyohara 		printf("%s: resp=%d\n", __func__, xfer->resp);
   1312        1.1  kiyohara 	}
   1313        1.1  kiyohara 
   1314        1.1  kiyohara 	sbp_xfer_free(xfer);
   1315        1.1  kiyohara 	if (SBP_DEVICE(sdev)) {
   1316        1.1  kiyohara 		SBP_DEVICE_THAW(sdev, sdev->freeze);
   1317        1.1  kiyohara 		sdev->freeze = 0;
   1318        1.1  kiyohara 	}
   1319        1.1  kiyohara }
   1320        1.1  kiyohara 
   1321        1.1  kiyohara static void
   1322        1.1  kiyohara sbp_agent_reset(struct sbp_dev *sdev)
   1323        1.1  kiyohara {
   1324        1.1  kiyohara 	struct fw_xfer *xfer;
   1325        1.1  kiyohara 	struct fw_pkt *fp;
   1326        1.1  kiyohara 
   1327        1.1  kiyohara SBP_DEBUG(0)
   1328        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1329        1.1  kiyohara 	printf("sbp_agent_reset\n");
   1330        1.1  kiyohara END_DEBUG
   1331        1.1  kiyohara 	xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
   1332        1.1  kiyohara 	if (xfer == NULL)
   1333        1.1  kiyohara 		return;
   1334        1.1  kiyohara 	if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
   1335        1.1  kiyohara 		xfer->hand = sbp_agent_reset_callback;
   1336        1.1  kiyohara 	else
   1337        1.1  kiyohara 		xfer->hand = sbp_do_attach;
   1338        1.1  kiyohara 	fp = &xfer->send.hdr;
   1339        1.1  kiyohara 	fp->mode.wreqq.data = htonl(0xf);
   1340        1.1  kiyohara 	fw_asyreq(xfer->fc, -1, xfer);
   1341        1.1  kiyohara 	sbp_abort_all_ocbs(sdev, XS_BDR_SENT);
   1342        1.1  kiyohara }
   1343        1.1  kiyohara 
   1344        1.1  kiyohara static void
   1345        1.1  kiyohara sbp_busy_timeout_callback(struct fw_xfer *xfer)
   1346        1.1  kiyohara {
   1347        1.1  kiyohara 	struct sbp_dev *sdev;
   1348        1.1  kiyohara 
   1349        1.1  kiyohara 	sdev = (struct sbp_dev *)xfer->sc;
   1350        1.1  kiyohara SBP_DEBUG(1)
   1351        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1352        1.1  kiyohara 	printf("sbp_busy_timeout_callback\n");
   1353        1.1  kiyohara END_DEBUG
   1354        1.1  kiyohara 	sbp_xfer_free(xfer);
   1355        1.1  kiyohara 	sbp_agent_reset(sdev);
   1356        1.1  kiyohara }
   1357        1.1  kiyohara 
   1358        1.1  kiyohara static void
   1359        1.1  kiyohara sbp_busy_timeout(struct sbp_dev *sdev)
   1360        1.1  kiyohara {
   1361        1.1  kiyohara 	struct fw_pkt *fp;
   1362        1.1  kiyohara 	struct fw_xfer *xfer;
   1363        1.1  kiyohara SBP_DEBUG(0)
   1364        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1365        1.1  kiyohara 	printf("sbp_busy_timeout\n");
   1366        1.1  kiyohara END_DEBUG
   1367        1.1  kiyohara 	xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
   1368        1.1  kiyohara 
   1369        1.1  kiyohara 	xfer->hand = sbp_busy_timeout_callback;
   1370        1.1  kiyohara 	fp = &xfer->send.hdr;
   1371        1.1  kiyohara 	fp->mode.wreqq.dest_hi = 0xffff;
   1372        1.1  kiyohara 	fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
   1373        1.1  kiyohara 	fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
   1374        1.1  kiyohara 	fw_asyreq(xfer->fc, -1, xfer);
   1375        1.1  kiyohara }
   1376        1.1  kiyohara 
   1377        1.1  kiyohara static void
   1378        1.1  kiyohara sbp_orb_pointer_callback(struct fw_xfer *xfer)
   1379        1.1  kiyohara {
   1380        1.1  kiyohara 	struct sbp_dev *sdev;
   1381        1.1  kiyohara 	sdev = (struct sbp_dev *)xfer->sc;
   1382        1.1  kiyohara 
   1383        1.1  kiyohara SBP_DEBUG(1)
   1384        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1385        1.1  kiyohara 	printf("%s\n", __func__);
   1386        1.1  kiyohara END_DEBUG
   1387        1.1  kiyohara 	if (xfer->resp != 0) {
   1388        1.1  kiyohara 		/* XXX */
   1389        1.1  kiyohara 		printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
   1390        1.1  kiyohara 	}
   1391        1.1  kiyohara 	sbp_xfer_free(xfer);
   1392        1.1  kiyohara 	sdev->flags &= ~ORB_POINTER_ACTIVE;
   1393        1.1  kiyohara 
   1394        1.1  kiyohara 	if ((sdev->flags & ORB_POINTER_NEED) != 0) {
   1395        1.1  kiyohara 		struct sbp_ocb *ocb;
   1396        1.1  kiyohara 
   1397        1.1  kiyohara 		sdev->flags &= ~ORB_POINTER_NEED;
   1398        1.1  kiyohara 		ocb = STAILQ_FIRST(&sdev->ocbs);
   1399        1.1  kiyohara 		if (ocb != NULL)
   1400        1.1  kiyohara 			sbp_orb_pointer(sdev, ocb);
   1401        1.1  kiyohara 	}
   1402        1.1  kiyohara 	return;
   1403        1.1  kiyohara }
   1404        1.1  kiyohara 
   1405        1.1  kiyohara static void
   1406        1.1  kiyohara sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
   1407        1.1  kiyohara {
   1408        1.1  kiyohara 	struct fw_xfer *xfer;
   1409        1.1  kiyohara 	struct fw_pkt *fp;
   1410        1.1  kiyohara SBP_DEBUG(1)
   1411        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1412        1.1  kiyohara 	printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr);
   1413        1.1  kiyohara END_DEBUG
   1414        1.1  kiyohara 
   1415        1.1  kiyohara 	if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
   1416        1.1  kiyohara SBP_DEBUG(0)
   1417        1.1  kiyohara 		printf("%s: orb pointer active\n", __func__);
   1418        1.1  kiyohara END_DEBUG
   1419        1.1  kiyohara 		sdev->flags |= ORB_POINTER_NEED;
   1420        1.1  kiyohara 		return;
   1421        1.1  kiyohara 	}
   1422        1.1  kiyohara 
   1423        1.1  kiyohara 	sdev->flags |= ORB_POINTER_ACTIVE;
   1424        1.1  kiyohara 	xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
   1425        1.1  kiyohara 	if (xfer == NULL)
   1426        1.1  kiyohara 		return;
   1427        1.1  kiyohara 	xfer->hand = sbp_orb_pointer_callback;
   1428        1.1  kiyohara 
   1429        1.1  kiyohara 	fp = &xfer->send.hdr;
   1430        1.1  kiyohara 	fp->mode.wreqb.len = 8;
   1431        1.1  kiyohara 	fp->mode.wreqb.extcode = 0;
   1432        1.1  kiyohara 	xfer->send.payload[0] =
   1433        1.1  kiyohara 		htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
   1434        1.1  kiyohara 	xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
   1435        1.1  kiyohara 
   1436        1.1  kiyohara 	if(fw_asyreq(xfer->fc, -1, xfer) != 0){
   1437        1.1  kiyohara 			sbp_xfer_free(xfer);
   1438        1.1  kiyohara 			SCSI_XFER_ERROR(ocb->sxfer) = XS_REQ_INVALID;
   1439        1.1  kiyohara 			SCSI_TRANSFER_DONE(ocb->sxfer);
   1440        1.1  kiyohara 	}
   1441        1.1  kiyohara }
   1442        1.1  kiyohara 
   1443        1.1  kiyohara static void
   1444        1.1  kiyohara sbp_doorbell_callback(struct fw_xfer *xfer)
   1445        1.1  kiyohara {
   1446        1.1  kiyohara 	struct sbp_dev *sdev;
   1447        1.1  kiyohara 	sdev = (struct sbp_dev *)xfer->sc;
   1448        1.1  kiyohara 
   1449        1.1  kiyohara SBP_DEBUG(1)
   1450        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1451        1.1  kiyohara 	printf("sbp_doorbell_callback\n");
   1452        1.1  kiyohara END_DEBUG
   1453        1.1  kiyohara 	if (xfer->resp != 0) {
   1454        1.1  kiyohara 		/* XXX */
   1455        1.1  kiyohara 		printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
   1456        1.1  kiyohara 	}
   1457        1.1  kiyohara 	sbp_xfer_free(xfer);
   1458        1.1  kiyohara 	sdev->flags &= ~ORB_DOORBELL_ACTIVE;
   1459        1.1  kiyohara 	if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
   1460        1.1  kiyohara 		sdev->flags &= ~ORB_DOORBELL_NEED;
   1461        1.1  kiyohara 		sbp_doorbell(sdev);
   1462        1.1  kiyohara 	}
   1463        1.1  kiyohara 	return;
   1464        1.1  kiyohara }
   1465        1.1  kiyohara 
   1466        1.1  kiyohara static void
   1467        1.1  kiyohara sbp_doorbell(struct sbp_dev *sdev)
   1468        1.1  kiyohara {
   1469        1.1  kiyohara 	struct fw_xfer *xfer;
   1470        1.1  kiyohara 	struct fw_pkt *fp;
   1471        1.1  kiyohara SBP_DEBUG(1)
   1472        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1473        1.1  kiyohara 	printf("sbp_doorbell\n");
   1474        1.1  kiyohara END_DEBUG
   1475        1.1  kiyohara 
   1476        1.1  kiyohara 	if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
   1477        1.1  kiyohara 		sdev->flags |= ORB_DOORBELL_NEED;
   1478        1.1  kiyohara 		return;
   1479        1.1  kiyohara 	}
   1480        1.1  kiyohara 	sdev->flags |= ORB_DOORBELL_ACTIVE;
   1481        1.1  kiyohara 	xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
   1482        1.1  kiyohara 	if (xfer == NULL)
   1483        1.1  kiyohara 		return;
   1484        1.1  kiyohara 	xfer->hand = sbp_doorbell_callback;
   1485        1.1  kiyohara 	fp = &xfer->send.hdr;
   1486        1.1  kiyohara 	fp->mode.wreqq.data = htonl(0xf);
   1487        1.1  kiyohara 	fw_asyreq(xfer->fc, -1, xfer);
   1488        1.1  kiyohara }
   1489        1.1  kiyohara 
   1490        1.1  kiyohara static struct fw_xfer *
   1491        1.1  kiyohara sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
   1492        1.1  kiyohara {
   1493        1.1  kiyohara 	struct fw_xfer *xfer;
   1494        1.1  kiyohara 	struct fw_pkt *fp;
   1495        1.1  kiyohara 	struct sbp_target *target;
   1496        1.1  kiyohara 	int s, new = 0;
   1497        1.1  kiyohara 
   1498        1.1  kiyohara 	target = sdev->target;
   1499        1.1  kiyohara 	s = splfw();
   1500        1.1  kiyohara 	xfer = STAILQ_FIRST(&target->xferlist);
   1501        1.1  kiyohara 	if (xfer == NULL) {
   1502        1.1  kiyohara 		if (target->n_xfer > 5 /* XXX */) {
   1503        1.1  kiyohara 			printf("sbp: no more xfer for this target\n");
   1504        1.1  kiyohara 			splx(s);
   1505        1.1  kiyohara 			return(NULL);
   1506        1.1  kiyohara 		}
   1507        1.1  kiyohara 		xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
   1508        1.1  kiyohara 		if(xfer == NULL){
   1509        1.1  kiyohara 			printf("sbp: fw_xfer_alloc_buf failed\n");
   1510        1.1  kiyohara 			splx(s);
   1511        1.1  kiyohara 			return NULL;
   1512        1.1  kiyohara 		}
   1513        1.1  kiyohara 		target->n_xfer ++;
   1514        1.1  kiyohara 		if (debug)
   1515        1.1  kiyohara 			printf("sbp: alloc %d xfer\n", target->n_xfer);
   1516        1.1  kiyohara 		new = 1;
   1517        1.1  kiyohara 	} else {
   1518        1.1  kiyohara 		STAILQ_REMOVE_HEAD(&target->xferlist, link);
   1519        1.1  kiyohara 	}
   1520        1.1  kiyohara 	splx(s);
   1521        1.1  kiyohara 
   1522        1.1  kiyohara 	microtime(&xfer->tv);
   1523        1.1  kiyohara 
   1524        1.1  kiyohara 	if (new) {
   1525        1.1  kiyohara 		xfer->recv.pay_len = 0;
   1526        1.1  kiyohara 		xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
   1527        1.1  kiyohara 		xfer->fc = sdev->target->sbp->fd.fc;
   1528        1.1  kiyohara 	}
   1529        1.1  kiyohara 
   1530        1.1  kiyohara 	if (tcode == FWTCODE_WREQB)
   1531        1.1  kiyohara 		xfer->send.pay_len = 8;
   1532        1.1  kiyohara 	else
   1533        1.1  kiyohara 		xfer->send.pay_len = 0;
   1534        1.1  kiyohara 
   1535       1.15  christos 	xfer->sc = (void *)sdev;
   1536        1.1  kiyohara 	fp = &xfer->send.hdr;
   1537        1.1  kiyohara 	fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
   1538        1.1  kiyohara 	fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
   1539        1.1  kiyohara 	fp->mode.wreqq.tlrt = 0;
   1540        1.1  kiyohara 	fp->mode.wreqq.tcode = tcode;
   1541        1.1  kiyohara 	fp->mode.wreqq.pri = 0;
   1542        1.1  kiyohara 	fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
   1543        1.1  kiyohara 
   1544        1.1  kiyohara 	return xfer;
   1545        1.1  kiyohara 
   1546        1.1  kiyohara }
   1547        1.1  kiyohara 
   1548        1.1  kiyohara static void
   1549        1.1  kiyohara sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
   1550        1.1  kiyohara {
   1551        1.1  kiyohara 	struct fw_xfer *xfer;
   1552        1.1  kiyohara 	struct fw_pkt *fp;
   1553        1.1  kiyohara 	struct sbp_ocb *ocb;
   1554        1.1  kiyohara 	struct sbp_target *target;
   1555        1.1  kiyohara 	int s, nid, dv_unit;
   1556        1.1  kiyohara 
   1557        1.1  kiyohara 	target = sdev->target;
   1558        1.1  kiyohara 	nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
   1559        1.1  kiyohara 	dv_unit = device_get_unit(target->sbp->fd.dev);
   1560        1.1  kiyohara 
   1561        1.1  kiyohara 	s = splfw();
   1562        1.1  kiyohara 	if (func == ORB_FUN_RUNQUEUE) {
   1563        1.1  kiyohara 		ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
   1564        1.1  kiyohara 		if (target->mgm_ocb_cur != NULL || ocb == NULL) {
   1565        1.1  kiyohara 			splx(s);
   1566        1.1  kiyohara 			return;
   1567        1.1  kiyohara 		}
   1568        1.1  kiyohara 		STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
   1569        1.1  kiyohara 		goto start;
   1570        1.1  kiyohara 	}
   1571        1.1  kiyohara 	if ((ocb = sbp_get_ocb(sdev)) == NULL) {
   1572        1.1  kiyohara 		splx(s);
   1573        1.1  kiyohara 		/* XXX */
   1574        1.1  kiyohara 		return;
   1575        1.1  kiyohara 	}
   1576        1.1  kiyohara 	ocb->flags = OCB_ACT_MGM;
   1577        1.1  kiyohara 	ocb->sdev = sdev;
   1578        1.1  kiyohara 
   1579        1.1  kiyohara 	bzero((void *)ocb->orb, sizeof(ocb->orb));
   1580        1.1  kiyohara 	ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
   1581        1.1  kiyohara 	ocb->orb[7] = htonl(SBP_DEV2ADDR(dv_unit, sdev->lun_id));
   1582        1.1  kiyohara 
   1583        1.1  kiyohara SBP_DEBUG(0)
   1584        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1585        1.1  kiyohara 	printf("%s\n", orb_fun_name[(func>>16)&0xf]);
   1586        1.1  kiyohara END_DEBUG
   1587        1.1  kiyohara 	switch (func) {
   1588        1.1  kiyohara 	case ORB_FUN_LGI:
   1589        1.1  kiyohara 		ocb->orb[0] = ocb->orb[1] = 0; /* password */
   1590        1.1  kiyohara 		ocb->orb[2] = htonl(nid << 16);
   1591        1.1  kiyohara 		ocb->orb[3] = htonl(sdev->dma.bus_addr);
   1592        1.1  kiyohara 		ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
   1593        1.1  kiyohara 		if (ex_login)
   1594        1.1  kiyohara 			ocb->orb[4] |= htonl(ORB_EXV);
   1595        1.1  kiyohara 		ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
   1596        1.1  kiyohara 		break;
   1597        1.1  kiyohara 	case ORB_FUN_ATA:
   1598        1.1  kiyohara 		ocb->orb[0] = htonl((0 << 16) | 0);
   1599        1.1  kiyohara 		ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
   1600        1.1  kiyohara 		/* fall through */
   1601        1.1  kiyohara 	case ORB_FUN_RCN:
   1602        1.1  kiyohara 	case ORB_FUN_LGO:
   1603        1.1  kiyohara 	case ORB_FUN_LUR:
   1604        1.1  kiyohara 	case ORB_FUN_RST:
   1605        1.1  kiyohara 	case ORB_FUN_ATS:
   1606        1.1  kiyohara 		ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
   1607        1.1  kiyohara 		break;
   1608        1.1  kiyohara 	}
   1609        1.1  kiyohara 
   1610        1.1  kiyohara 	if (target->mgm_ocb_cur != NULL) {
   1611        1.1  kiyohara 		/* there is a standing ORB */
   1612        1.1  kiyohara 		STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
   1613        1.1  kiyohara 		splx(s);
   1614        1.1  kiyohara 		return;
   1615        1.1  kiyohara 	}
   1616        1.1  kiyohara start:
   1617        1.1  kiyohara 	target->mgm_ocb_cur = ocb;
   1618        1.1  kiyohara 	splx(s);
   1619        1.1  kiyohara 
   1620        1.1  kiyohara 	callout_reset(&target->mgm_ocb_timeout, 5*hz,
   1621       1.15  christos 				sbp_mgm_timeout, (void *)ocb);
   1622        1.1  kiyohara 	xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
   1623        1.1  kiyohara 	if(xfer == NULL){
   1624        1.1  kiyohara 		return;
   1625        1.1  kiyohara 	}
   1626        1.1  kiyohara 	xfer->hand = sbp_mgm_callback;
   1627        1.1  kiyohara 
   1628        1.1  kiyohara 	fp = &xfer->send.hdr;
   1629        1.1  kiyohara 	fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
   1630        1.1  kiyohara 	fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
   1631        1.1  kiyohara 	fp->mode.wreqb.len = 8;
   1632        1.1  kiyohara 	fp->mode.wreqb.extcode = 0;
   1633        1.1  kiyohara 	xfer->send.payload[0] = htonl(nid << 16);
   1634        1.1  kiyohara 	xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
   1635        1.1  kiyohara SBP_DEBUG(0)
   1636        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1637        1.1  kiyohara 	printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr);
   1638        1.1  kiyohara END_DEBUG
   1639        1.1  kiyohara 
   1640        1.1  kiyohara 	/* cache writeback & invalidate(required ORB_FUN_LGI func) */
   1641        1.1  kiyohara 	/* when abort_ocb, should sync POST ope ? */
   1642        1.1  kiyohara 	fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
   1643        1.1  kiyohara 	fw_asyreq(xfer->fc, -1, xfer);
   1644        1.1  kiyohara }
   1645        1.1  kiyohara 
   1646        1.1  kiyohara static void
   1647        1.1  kiyohara sbp_print_scsi_cmd(struct sbp_ocb *ocb)
   1648        1.1  kiyohara {
   1649        1.1  kiyohara #if defined(__FreeBSD__)
   1650        1.1  kiyohara 	struct ccb_scsiio *csio;
   1651        1.1  kiyohara 
   1652        1.1  kiyohara 	csio = &ocb->sxfer->csio;
   1653        1.1  kiyohara #endif
   1654        1.1  kiyohara 	printf("%s:%d:%d XPT_SCSI_IO: "
   1655        1.1  kiyohara 		"cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
   1656        1.1  kiyohara 		", flags: 0x%02x, "
   1657        1.1  kiyohara 		"%db cmd/%db data/%db sense\n",
   1658        1.1  kiyohara 		device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
   1659        1.1  kiyohara 		SCSI_XFER_TARGET(ocb->sxfer), SCSI_XFER_LUN(ocb->sxfer),
   1660        1.1  kiyohara 		SCSI_XFER_10BCMD_DUMP(ocb->sxfer),
   1661        1.1  kiyohara 		SCSI_XFER_DIR(ocb->sxfer),
   1662        1.1  kiyohara 		SCSI_XFER_CMDLEN(ocb->sxfer), SCSI_XFER_DATALEN(ocb->sxfer),
   1663        1.1  kiyohara 		SCSI_XFER_SENSELEN(ocb->sxfer));
   1664        1.1  kiyohara }
   1665        1.1  kiyohara 
   1666        1.1  kiyohara static void
   1667        1.1  kiyohara sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
   1668        1.1  kiyohara {
   1669        1.1  kiyohara 	struct sbp_cmd_status *sbp_cmd_status;
   1670        1.1  kiyohara 	scsi3_sense_data_t sense =
   1671        1.1  kiyohara 	    (scsi3_sense_data_t)SCSI_SENSE_DATA(ocb->sxfer);
   1672        1.1  kiyohara 
   1673        1.1  kiyohara 	sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
   1674        1.1  kiyohara 
   1675        1.1  kiyohara SBP_DEBUG(0)
   1676        1.1  kiyohara 	sbp_print_scsi_cmd(ocb);
   1677        1.1  kiyohara 	/* XXX need decode status */
   1678        1.1  kiyohara 	sbp_show_sdev_info(ocb->sdev, 2);
   1679        1.1  kiyohara 	printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
   1680        1.1  kiyohara 		sbp_cmd_status->status,
   1681        1.1  kiyohara 		sbp_cmd_status->sfmt,
   1682        1.1  kiyohara 		sbp_cmd_status->valid,
   1683        1.1  kiyohara 		sbp_cmd_status->s_key,
   1684        1.1  kiyohara 		sbp_cmd_status->s_code,
   1685        1.1  kiyohara 		sbp_cmd_status->s_qlfr,
   1686        1.1  kiyohara 		sbp_status->len
   1687        1.1  kiyohara 	);
   1688        1.1  kiyohara END_DEBUG
   1689        1.1  kiyohara 
   1690        1.1  kiyohara 	switch (sbp_cmd_status->status) {
   1691        1.1  kiyohara 	case SCSI_STATUS_CHECK_COND:
   1692        1.1  kiyohara 	case SCSI_STATUS_BUSY:
   1693        1.1  kiyohara 	case SCSI_STATUS_CMD_TERMINATED:
   1694        1.1  kiyohara 		if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
   1695        1.1  kiyohara 			sense->response_code = SSD_CURRENT_ERROR;
   1696        1.1  kiyohara 		}else{
   1697        1.1  kiyohara 			sense->response_code = SSD_DEFERRED_ERROR;
   1698        1.1  kiyohara 		}
   1699        1.1  kiyohara 		if(sbp_cmd_status->valid)
   1700        1.1  kiyohara 			sense->response_code |= SSD_RESPONSE_CODE_VALID;
   1701        1.1  kiyohara 		sense->flags = sbp_cmd_status->s_key;
   1702        1.1  kiyohara 		if(sbp_cmd_status->mark)
   1703        1.1  kiyohara 			sense->flags |= SSD_FILEMARK;
   1704        1.1  kiyohara 		if(sbp_cmd_status->eom)
   1705        1.1  kiyohara 			sense->flags |= SSD_EOM;
   1706        1.1  kiyohara 		if(sbp_cmd_status->ill_len)
   1707        1.1  kiyohara 			sense->flags |= SSD_ILI;
   1708        1.1  kiyohara 
   1709        1.5       wiz 		bcopy(&sbp_cmd_status->info, &sense->information[0], 4);
   1710        1.1  kiyohara 
   1711        1.1  kiyohara 		if (sbp_status->len <= 1)
   1712        1.1  kiyohara 			/* XXX not scsi status. shouldn't be happened */
   1713        1.1  kiyohara 			sense->asl = 0;
   1714        1.1  kiyohara 		else if (sbp_status->len <= 4)
   1715        1.1  kiyohara 			/* add_sense_code(_qual), info, cmd_spec_info */
   1716        1.1  kiyohara 			sense->asl = 6;
   1717        1.1  kiyohara 		else
   1718        1.1  kiyohara 			/* fru, sense_key_spec */
   1719        1.1  kiyohara 			sense->asl = 10;
   1720        1.1  kiyohara 
   1721        1.1  kiyohara 		bcopy(&sbp_cmd_status->cdb, &sense->csi[0], 4);
   1722        1.1  kiyohara 
   1723        1.1  kiyohara 		sense->asc = sbp_cmd_status->s_code;
   1724        1.1  kiyohara 		sense->ascq = sbp_cmd_status->s_qlfr;
   1725        1.1  kiyohara 		sense->fruc = sbp_cmd_status->fru;
   1726        1.1  kiyohara 
   1727        1.1  kiyohara 		bcopy(&sbp_cmd_status->s_keydep[0], &sense->sks[0], 3);
   1728        1.1  kiyohara 		SCSI_XFER_ERROR(ocb->sxfer) = XS_SENSE;
   1729        1.1  kiyohara 		SCSI_XFER_STATUS(ocb->sxfer) = sbp_cmd_status->status;
   1730        1.1  kiyohara /*
   1731        1.1  kiyohara {
   1732        1.1  kiyohara 		uint8_t j, *tmp;
   1733        1.1  kiyohara 		tmp = sense;
   1734        1.1  kiyohara 		for( j = 0 ; j < 32 ; j+=8){
   1735        1.1  kiyohara 			printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
   1736        1.1  kiyohara 				tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
   1737        1.1  kiyohara 				tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
   1738        1.1  kiyohara 		}
   1739        1.1  kiyohara 
   1740        1.1  kiyohara }
   1741        1.1  kiyohara */
   1742        1.1  kiyohara 		break;
   1743        1.1  kiyohara 	default:
   1744        1.1  kiyohara 		sbp_show_sdev_info(ocb->sdev, 2);
   1745        1.1  kiyohara 		printf("sbp_scsi_status: unknown scsi status 0x%x\n",
   1746        1.1  kiyohara 						sbp_cmd_status->status);
   1747        1.1  kiyohara 	}
   1748        1.1  kiyohara }
   1749        1.1  kiyohara 
   1750        1.1  kiyohara static void
   1751        1.1  kiyohara sbp_fix_inq_data(struct sbp_ocb *ocb)
   1752        1.1  kiyohara {
   1753        1.1  kiyohara 	sbp_scsi_xfer *sxfer = ocb->sxfer;
   1754        1.1  kiyohara 	struct sbp_dev *sdev;
   1755        1.1  kiyohara 	scsi3_inquiry_data_t inq =
   1756        1.1  kiyohara 	    (scsi3_inquiry_data_t)SCSI_INQUIRY_DATA(sxfer);
   1757        1.1  kiyohara 	sdev = ocb->sdev;
   1758        1.1  kiyohara 
   1759        1.1  kiyohara 	if (SCSI_XFER_EVPD(sxfer))
   1760        1.1  kiyohara 		return;
   1761        1.1  kiyohara SBP_DEBUG(1)
   1762        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   1763        1.1  kiyohara 	printf("sbp_fix_inq_data\n");
   1764        1.1  kiyohara END_DEBUG
   1765        1.1  kiyohara 	switch (inq->device & SID_TYPE) {
   1766        1.1  kiyohara 	case T_DIRECT:
   1767        1.1  kiyohara #if 0
   1768        1.1  kiyohara 		/*
   1769        1.1  kiyohara 		 * XXX Convert Direct Access device to RBC.
   1770        1.1  kiyohara 		 * I've never seen FireWire DA devices which support READ_6.
   1771        1.1  kiyohara 		 */
   1772        1.1  kiyohara 		if ((inq->device & SID_TYPE) == T_DIRECT)
   1773        1.1  kiyohara 			inq->device |= T_RBC; /*  T_DIRECT == 0 */
   1774        1.1  kiyohara #endif
   1775        1.1  kiyohara 		/* fall through */
   1776        1.1  kiyohara 	case T_RBC:
   1777        1.1  kiyohara 		/*
   1778        1.1  kiyohara 		 * Override vendor/product/revision information.
   1779        1.1  kiyohara 		 * Some devices sometimes return strange strings.
   1780        1.1  kiyohara 		 */
   1781        1.1  kiyohara #if 1
   1782        1.1  kiyohara 		bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
   1783        1.1  kiyohara 		bcopy(sdev->product, inq->product, sizeof(inq->product));
   1784        1.1  kiyohara 		bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
   1785        1.1  kiyohara #endif
   1786        1.1  kiyohara 		break;
   1787        1.1  kiyohara 	}
   1788        1.1  kiyohara 	/*
   1789        1.1  kiyohara 	 * Force to enable/disable tagged queuing.
   1790        1.1  kiyohara 	 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
   1791        1.1  kiyohara 	 */
   1792        1.1  kiyohara 	if (sbp_tags > 0)
   1793        1.1  kiyohara 		inq->flags[1] |= SID_CmdQue;
   1794        1.1  kiyohara 	else if (sbp_tags < 0)
   1795        1.1  kiyohara 		inq->flags[1] &= ~SID_CmdQue;
   1796        1.1  kiyohara 
   1797        1.1  kiyohara }
   1798        1.1  kiyohara 
   1799        1.1  kiyohara static void
   1800        1.1  kiyohara sbp_recv1(struct fw_xfer *xfer)
   1801        1.1  kiyohara {
   1802        1.1  kiyohara 	struct fw_pkt *rfp;
   1803        1.1  kiyohara #if NEED_RESPONSE
   1804        1.1  kiyohara 	struct fw_pkt *sfp;
   1805        1.1  kiyohara #endif
   1806        1.1  kiyohara 	struct sbp_softc *sbp;
   1807        1.1  kiyohara 	struct sbp_dev *sdev;
   1808        1.1  kiyohara 	struct sbp_ocb *ocb;
   1809        1.1  kiyohara 	struct sbp_login_res *login_res = NULL;
   1810        1.1  kiyohara 	struct sbp_status *sbp_status;
   1811        1.1  kiyohara 	struct sbp_target *target;
   1812        1.1  kiyohara 	int	orb_fun, status_valid0, status_valid, l, reset_agent = 0;
   1813        1.1  kiyohara 	uint32_t addr;
   1814        1.1  kiyohara /*
   1815        1.1  kiyohara 	uint32_t *ld;
   1816        1.1  kiyohara 	ld = xfer->recv.buf;
   1817        1.1  kiyohara printf("sbp %x %d %d %08x %08x %08x %08x\n",
   1818        1.1  kiyohara 			xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
   1819        1.1  kiyohara printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
   1820        1.1  kiyohara printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
   1821        1.1  kiyohara */
   1822        1.1  kiyohara 	sbp = (struct sbp_softc *)xfer->sc;
   1823        1.1  kiyohara 	if (xfer->resp != 0){
   1824        1.1  kiyohara 		printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
   1825        1.1  kiyohara 		goto done0;
   1826        1.1  kiyohara 	}
   1827        1.1  kiyohara 	if (xfer->recv.payload == NULL){
   1828        1.1  kiyohara 		printf("sbp_recv: xfer->recv.payload == NULL\n");
   1829        1.1  kiyohara 		goto done0;
   1830        1.1  kiyohara 	}
   1831        1.1  kiyohara 	rfp = &xfer->recv.hdr;
   1832        1.1  kiyohara 	if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
   1833        1.1  kiyohara 		printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
   1834        1.1  kiyohara 		goto done0;
   1835        1.1  kiyohara 	}
   1836        1.1  kiyohara 	sbp_status = (struct sbp_status *)xfer->recv.payload;
   1837        1.1  kiyohara 	addr = rfp->mode.wreqb.dest_lo;
   1838        1.1  kiyohara SBP_DEBUG(2)
   1839        1.1  kiyohara 	printf("received address 0x%x\n", addr);
   1840        1.1  kiyohara END_DEBUG
   1841        1.1  kiyohara 	target = &sbp->target;
   1842        1.1  kiyohara 	l = SBP_ADDR2LUN(addr);
   1843        1.1  kiyohara 	if (l >= target->num_lun || target->luns[l] == NULL) {
   1844        1.1  kiyohara 		device_printf(sbp->fd.dev,
   1845        1.1  kiyohara 			"sbp_recv1: invalid lun %d (target=%d)\n",
   1846        1.1  kiyohara 			l, target->target_id);
   1847        1.1  kiyohara 		goto done0;
   1848        1.1  kiyohara 	}
   1849        1.1  kiyohara 	sdev = target->luns[l];
   1850        1.1  kiyohara 
   1851        1.1  kiyohara 	fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
   1852        1.1  kiyohara 
   1853        1.1  kiyohara 	ocb = NULL;
   1854        1.1  kiyohara 	switch (sbp_status->src) {
   1855        1.1  kiyohara 	case SRC_NEXT_EXISTS:
   1856        1.1  kiyohara 	case SRC_NO_NEXT:
   1857        1.1  kiyohara 		/* check mgm_ocb_cur first */
   1858        1.1  kiyohara 		ocb  = target->mgm_ocb_cur;
   1859        1.1  kiyohara 		if (ocb != NULL) {
   1860        1.1  kiyohara 			if (OCB_MATCH(ocb, sbp_status)) {
   1861        1.1  kiyohara 				callout_stop(&target->mgm_ocb_timeout);
   1862        1.1  kiyohara 				target->mgm_ocb_cur = NULL;
   1863        1.1  kiyohara 				break;
   1864        1.1  kiyohara 			}
   1865        1.1  kiyohara 		}
   1866        1.1  kiyohara 		ocb = sbp_dequeue_ocb(sdev, sbp_status);
   1867        1.1  kiyohara 		if (ocb == NULL) {
   1868        1.1  kiyohara 			sbp_show_sdev_info(sdev, 2);
   1869        1.1  kiyohara #if defined(__DragonFly__) || \
   1870        1.1  kiyohara     (defined(__FreeBSD__) && __FreeBSD_version < 500000)
   1871        1.1  kiyohara 			printf("No ocb(%lx) on the queue\n",
   1872        1.1  kiyohara #else
   1873        1.1  kiyohara 			printf("No ocb(%x) on the queue\n",
   1874        1.1  kiyohara #endif
   1875        1.1  kiyohara 					ntohl(sbp_status->orb_lo));
   1876        1.1  kiyohara 		}
   1877        1.1  kiyohara 		break;
   1878        1.1  kiyohara 	case SRC_UNSOL:
   1879        1.1  kiyohara 		/* unsolicit */
   1880        1.1  kiyohara 		sbp_show_sdev_info(sdev, 2);
   1881        1.1  kiyohara 		printf("unsolicit status received\n");
   1882        1.1  kiyohara 		break;
   1883        1.1  kiyohara 	default:
   1884        1.1  kiyohara 		sbp_show_sdev_info(sdev, 2);
   1885        1.1  kiyohara 		printf("unknown sbp_status->src\n");
   1886        1.1  kiyohara 	}
   1887        1.1  kiyohara 
   1888        1.1  kiyohara 	status_valid0 = (sbp_status->src < 2
   1889        1.1  kiyohara 			&& sbp_status->resp == SBP_REQ_CMP
   1890        1.1  kiyohara 			&& sbp_status->dead == 0);
   1891        1.1  kiyohara 	status_valid = (status_valid0 && sbp_status->status == 0);
   1892        1.1  kiyohara 
   1893        1.1  kiyohara 	if (!status_valid0 || debug > 2){
   1894        1.1  kiyohara 		int status;
   1895        1.1  kiyohara SBP_DEBUG(0)
   1896        1.1  kiyohara 		sbp_show_sdev_info(sdev, 2);
   1897        1.1  kiyohara 		printf("ORB status src:%x resp:%x dead:%x"
   1898        1.1  kiyohara #if defined(__DragonFly__) || \
   1899        1.1  kiyohara     (defined(__FreeBSD__) && __FreeBSD_version < 500000)
   1900        1.1  kiyohara 				" len:%x stat:%x orb:%x%08lx\n",
   1901        1.1  kiyohara #else
   1902        1.1  kiyohara 				" len:%x stat:%x orb:%x%08x\n",
   1903        1.1  kiyohara #endif
   1904        1.1  kiyohara 			sbp_status->src, sbp_status->resp, sbp_status->dead,
   1905        1.1  kiyohara 			sbp_status->len, sbp_status->status,
   1906        1.1  kiyohara 			ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
   1907        1.1  kiyohara END_DEBUG
   1908        1.1  kiyohara 		sbp_show_sdev_info(sdev, 2);
   1909        1.1  kiyohara 		status = sbp_status->status;
   1910        1.1  kiyohara 		switch(sbp_status->resp) {
   1911        1.1  kiyohara 		case SBP_REQ_CMP:
   1912        1.1  kiyohara 			if (status > MAX_ORB_STATUS0)
   1913        1.1  kiyohara 				printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
   1914        1.1  kiyohara 			else
   1915        1.1  kiyohara 				printf("%s\n", orb_status0[status]);
   1916        1.1  kiyohara 			break;
   1917        1.1  kiyohara 		case SBP_TRANS_FAIL:
   1918        1.1  kiyohara 			printf("Obj: %s, Error: %s\n",
   1919        1.1  kiyohara 				orb_status1_object[(status>>6) & 3],
   1920        1.1  kiyohara 				orb_status1_serial_bus_error[status & 0xf]);
   1921        1.1  kiyohara 			break;
   1922        1.1  kiyohara 		case SBP_ILLE_REQ:
   1923        1.1  kiyohara 			printf("Illegal request\n");
   1924        1.1  kiyohara 			break;
   1925        1.1  kiyohara 		case SBP_VEND_DEP:
   1926        1.1  kiyohara 			printf("Vendor dependent\n");
   1927        1.1  kiyohara 			break;
   1928        1.1  kiyohara 		default:
   1929        1.1  kiyohara 			printf("unknown respose code %d\n", sbp_status->resp);
   1930        1.1  kiyohara 		}
   1931        1.1  kiyohara 	}
   1932        1.1  kiyohara 
   1933        1.1  kiyohara 	/* we have to reset the fetch agent if it's dead */
   1934        1.1  kiyohara 	if (sbp_status->dead) {
   1935        1.1  kiyohara 		if (SBP_DEVICE(sdev) != NULL) {
   1936        1.1  kiyohara 			SBP_DEVICE_FREEZE(sdev, 1);
   1937        1.1  kiyohara 			sdev->freeze ++;
   1938        1.1  kiyohara 		}
   1939        1.1  kiyohara 		reset_agent = 1;
   1940        1.1  kiyohara 	}
   1941        1.1  kiyohara 
   1942        1.1  kiyohara 	if (ocb == NULL)
   1943        1.1  kiyohara 		goto done;
   1944        1.1  kiyohara 
   1945        1.1  kiyohara 	switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
   1946        1.1  kiyohara 	case ORB_FMT_NOP:
   1947        1.1  kiyohara 		break;
   1948        1.1  kiyohara 	case ORB_FMT_VED:
   1949        1.1  kiyohara 		break;
   1950        1.1  kiyohara 	case ORB_FMT_STD:
   1951        1.1  kiyohara 		switch(ocb->flags) {
   1952        1.1  kiyohara 		case OCB_ACT_MGM:
   1953        1.1  kiyohara 			orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
   1954        1.1  kiyohara 			reset_agent = 0;
   1955        1.1  kiyohara 			switch(orb_fun) {
   1956        1.1  kiyohara 			case ORB_FUN_LGI:
   1957        1.1  kiyohara 				login_res = sdev->login;
   1958        1.1  kiyohara 				login_res->len = ntohs(login_res->len);
   1959        1.1  kiyohara 				login_res->id = ntohs(login_res->id);
   1960        1.1  kiyohara 				login_res->cmd_hi = ntohs(login_res->cmd_hi);
   1961        1.1  kiyohara 				login_res->cmd_lo = ntohl(login_res->cmd_lo);
   1962        1.1  kiyohara 				if (status_valid) {
   1963        1.1  kiyohara SBP_DEBUG(0)
   1964        1.1  kiyohara sbp_show_sdev_info(sdev, 2);
   1965        1.1  kiyohara printf("login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo, ntohs(login_res->recon_hold));
   1966        1.1  kiyohara END_DEBUG
   1967        1.1  kiyohara 					sbp_busy_timeout(sdev);
   1968        1.1  kiyohara 				} else {
   1969        1.1  kiyohara 					/* forgot logout? */
   1970        1.1  kiyohara 					sbp_show_sdev_info(sdev, 2);
   1971        1.1  kiyohara 					printf("login failed\n");
   1972        1.1  kiyohara 					sdev->status = SBP_DEV_RESET;
   1973        1.1  kiyohara 				}
   1974        1.1  kiyohara 				break;
   1975        1.1  kiyohara 			case ORB_FUN_RCN:
   1976        1.1  kiyohara 				login_res = sdev->login;
   1977        1.1  kiyohara 				if (status_valid) {
   1978        1.1  kiyohara SBP_DEBUG(0)
   1979        1.1  kiyohara sbp_show_sdev_info(sdev, 2);
   1980        1.1  kiyohara printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
   1981        1.1  kiyohara END_DEBUG
   1982        1.1  kiyohara #if 1
   1983        1.1  kiyohara #if defined(__FreeBSD__)
   1984        1.1  kiyohara 					if (sdev->status == SBP_DEV_ATTACHED)
   1985        1.1  kiyohara 						sbp_scan_dev(sdev);
   1986        1.1  kiyohara 					else
   1987        1.1  kiyohara #endif
   1988        1.1  kiyohara 						sbp_agent_reset(sdev);
   1989        1.1  kiyohara #else
   1990        1.1  kiyohara 					sdev->status = SBP_DEV_ATTACHED;
   1991        1.1  kiyohara 					sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
   1992        1.1  kiyohara #endif
   1993        1.1  kiyohara 				} else {
   1994        1.1  kiyohara 					/* reconnection hold time exceed? */
   1995        1.1  kiyohara SBP_DEBUG(0)
   1996        1.1  kiyohara 					sbp_show_sdev_info(sdev, 2);
   1997        1.1  kiyohara 					printf("reconnect failed\n");
   1998        1.1  kiyohara END_DEBUG
   1999        1.1  kiyohara 					sbp_login(sdev);
   2000        1.1  kiyohara 				}
   2001        1.1  kiyohara 				break;
   2002        1.1  kiyohara 			case ORB_FUN_LGO:
   2003        1.1  kiyohara 				sdev->status = SBP_DEV_RESET;
   2004        1.1  kiyohara 				break;
   2005        1.1  kiyohara 			case ORB_FUN_RST:
   2006        1.1  kiyohara 				sbp_busy_timeout(sdev);
   2007        1.1  kiyohara 				break;
   2008        1.1  kiyohara 			case ORB_FUN_LUR:
   2009        1.1  kiyohara 			case ORB_FUN_ATA:
   2010        1.1  kiyohara 			case ORB_FUN_ATS:
   2011        1.1  kiyohara 				sbp_agent_reset(sdev);
   2012        1.1  kiyohara 				break;
   2013        1.1  kiyohara 			default:
   2014        1.1  kiyohara 				sbp_show_sdev_info(sdev, 2);
   2015        1.1  kiyohara 				printf("unknown function %d\n", orb_fun);
   2016        1.1  kiyohara 				break;
   2017        1.1  kiyohara 			}
   2018        1.1  kiyohara 			sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
   2019        1.1  kiyohara 			break;
   2020        1.1  kiyohara 		case OCB_ACT_CMD:
   2021        1.1  kiyohara 			sdev->timeout = 0;
   2022        1.1  kiyohara 			if(ocb->sxfer != NULL){
   2023        1.1  kiyohara 				sbp_scsi_xfer *sxfer = ocb->sxfer;
   2024        1.1  kiyohara /*
   2025        1.1  kiyohara 				uint32_t *ld = SCSI_XFER_DATA(ocb->sxfer);
   2026        1.1  kiyohara 				if(ld != NULL &&
   2027        1.1  kiyohara 				    SCSI_XFER_DATALEN(ocb->sxfer) != 0)
   2028        1.1  kiyohara 					printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
   2029        1.1  kiyohara 				else
   2030        1.1  kiyohara 					printf("ptr NULL\n");
   2031        1.1  kiyohara printf("len %d\n", sbp_status->len);
   2032        1.1  kiyohara */
   2033        1.1  kiyohara 				if(sbp_status->len > 1){
   2034        1.1  kiyohara 					sbp_scsi_status(sbp_status, ocb);
   2035        1.1  kiyohara 				}else{
   2036        1.1  kiyohara 					if(sbp_status->resp != SBP_REQ_CMP){
   2037        1.1  kiyohara 						SCSI_XFER_ERROR(sxfer) =
   2038        1.1  kiyohara 						    XS_REQ_CMP_ERR;
   2039        1.1  kiyohara 					}else{
   2040        1.1  kiyohara 						SCSI_XFER_ERROR(sxfer) =
   2041        1.1  kiyohara 						    XS_REQ_CMP;
   2042        1.1  kiyohara 						SCSI_XFER_REQUEST_COMPLETE(
   2043        1.1  kiyohara 						    sxfer);
   2044        1.1  kiyohara 					}
   2045        1.1  kiyohara 				}
   2046        1.1  kiyohara 				/* fix up inq data */
   2047        1.1  kiyohara 				if (SCSI_XFER_OPECODE(sxfer) == INQUIRY)
   2048        1.1  kiyohara 					sbp_fix_inq_data(ocb);
   2049        1.1  kiyohara 				SCSI_TRANSFER_DONE(sxfer);
   2050        1.1  kiyohara 			}
   2051        1.1  kiyohara 			break;
   2052        1.1  kiyohara 		default:
   2053        1.1  kiyohara 			break;
   2054        1.1  kiyohara 		}
   2055        1.1  kiyohara 	}
   2056        1.1  kiyohara 
   2057        1.1  kiyohara 	if (!use_doorbell)
   2058        1.1  kiyohara 		sbp_free_ocb(sdev, ocb);
   2059        1.1  kiyohara done:
   2060        1.1  kiyohara 	if (reset_agent)
   2061        1.1  kiyohara 		sbp_agent_reset(sdev);
   2062        1.1  kiyohara 
   2063        1.1  kiyohara done0:
   2064        1.1  kiyohara 	xfer->recv.pay_len = SBP_RECV_LEN;
   2065        1.1  kiyohara /* The received packet is usually small enough to be stored within
   2066        1.1  kiyohara  * the buffer. In that case, the controller return ack_complete and
   2067        1.1  kiyohara  * no respose is necessary.
   2068        1.1  kiyohara  *
   2069        1.1  kiyohara  * XXX fwohci.c and firewire.c should inform event_code such as
   2070        1.1  kiyohara  * ack_complete or ack_pending to upper driver.
   2071        1.1  kiyohara  */
   2072        1.1  kiyohara #if NEED_RESPONSE
   2073        1.1  kiyohara 	xfer->send.off = 0;
   2074        1.1  kiyohara 	sfp = (struct fw_pkt *)xfer->send.buf;
   2075        1.1  kiyohara 	sfp->mode.wres.dst = rfp->mode.wreqb.src;
   2076        1.1  kiyohara 	xfer->dst = sfp->mode.wres.dst;
   2077        1.1  kiyohara 	xfer->spd = min(sdev->target->fwdev->speed, max_speed);
   2078        1.1  kiyohara 	xfer->hand = sbp_loginres_callback;
   2079        1.1  kiyohara 
   2080        1.1  kiyohara 	sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
   2081        1.1  kiyohara 	sfp->mode.wres.tcode = FWTCODE_WRES;
   2082        1.1  kiyohara 	sfp->mode.wres.rtcode = 0;
   2083        1.1  kiyohara 	sfp->mode.wres.pri = 0;
   2084        1.1  kiyohara 
   2085        1.1  kiyohara 	fw_asyreq(xfer->fc, -1, xfer);
   2086        1.1  kiyohara #else
   2087        1.1  kiyohara 	/* recycle */
   2088        1.1  kiyohara 	STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
   2089        1.1  kiyohara #endif
   2090        1.1  kiyohara 
   2091        1.1  kiyohara 	return;
   2092        1.1  kiyohara 
   2093        1.1  kiyohara }
   2094        1.1  kiyohara 
   2095        1.1  kiyohara static void
   2096        1.1  kiyohara sbp_recv(struct fw_xfer *xfer)
   2097        1.1  kiyohara {
   2098        1.1  kiyohara 	int s;
   2099        1.1  kiyohara 
   2100        1.1  kiyohara 	s = splfwsbp();
   2101        1.1  kiyohara 	sbp_recv1(xfer);
   2102        1.1  kiyohara 	splx(s);
   2103        1.1  kiyohara }
   2104        1.1  kiyohara /*
   2105        1.1  kiyohara  * sbp_attach()
   2106        1.1  kiyohara  */
   2107        1.1  kiyohara FW_ATTACH(sbp)
   2108        1.1  kiyohara {
   2109        1.1  kiyohara 	FW_ATTACH_START(sbp, sbp, fwa);
   2110        1.1  kiyohara 	int dv_unit, error, s;
   2111        1.1  kiyohara 	SBP_ATTACH_START;
   2112        1.1  kiyohara 
   2113       1.16  kiyohara 	if (DFLTPHYS > SBP_MAXPHYS)
   2114       1.16  kiyohara 		device_printf(sbp->fd.dev,
   2115       1.16  kiyohara 		    "Warning, DFLTPHYS(%dKB) is larger than "
   2116       1.16  kiyohara 		    "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
   2117       1.16  kiyohara 		    SBP_MAXPHYS / 1024);
   2118        1.1  kiyohara SBP_DEBUG(0)
   2119        1.1  kiyohara 	printf("sbp_attach (cold=%d)\n", cold);
   2120        1.1  kiyohara END_DEBUG
   2121        1.1  kiyohara 
   2122        1.1  kiyohara 	if (cold)
   2123        1.1  kiyohara 		sbp_cold ++;
   2124        1.1  kiyohara 	sbp->fd.fc = fwa->fc;
   2125        1.1  kiyohara 
   2126        1.1  kiyohara 	if (max_speed < 0)
   2127        1.1  kiyohara 		max_speed = sbp->fd.fc->speed;
   2128        1.1  kiyohara 
   2129        1.1  kiyohara 	error = fw_bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat,
   2130        1.1  kiyohara 				/* XXX shoud be 4 for sane backend? */
   2131        1.1  kiyohara 				/*alignment*/1,
   2132        1.1  kiyohara 				/*boundary*/0,
   2133        1.1  kiyohara 				/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
   2134        1.1  kiyohara 				/*highaddr*/BUS_SPACE_MAXADDR,
   2135        1.1  kiyohara 				/*filter*/NULL, /*filterarg*/NULL,
   2136        1.1  kiyohara 				/*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
   2137        1.1  kiyohara 				/*maxsegsz*/SBP_SEG_MAX,
   2138        1.1  kiyohara 				/*flags*/BUS_DMA_ALLOCNOW,
   2139        1.1  kiyohara 				/*lockfunc*/busdma_lock_mutex,
   2140        1.1  kiyohara 				/*lockarg*/&Giant,
   2141        1.1  kiyohara 				&sbp->dmat);
   2142        1.1  kiyohara 	if (error != 0) {
   2143        1.1  kiyohara 		printf("sbp_attach: Could not allocate DMA tag "
   2144        1.1  kiyohara 			"- error %d\n", error);
   2145        1.1  kiyohara 			FW_ATTACH_RETURN(ENOMEM);
   2146        1.1  kiyohara 	}
   2147        1.1  kiyohara 
   2148        1.1  kiyohara #if defined(__FreeBSD__)
   2149        1.1  kiyohara 	devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
   2150        1.1  kiyohara 	if (devq == NULL)
   2151        1.1  kiyohara 		return (ENXIO);
   2152        1.1  kiyohara #endif
   2153        1.1  kiyohara 
   2154        1.1  kiyohara 	sbp->target.fwdev = NULL;
   2155        1.1  kiyohara 	sbp->target.luns = NULL;
   2156        1.1  kiyohara 
   2157        1.1  kiyohara 	if (sbp_alloc_target(sbp, fwa->fwdev) == NULL)
   2158        1.1  kiyohara 		FW_ATTACH_RETURN(ENXIO);
   2159        1.1  kiyohara 
   2160        1.1  kiyohara 	SBP_SCSIBUS_ATTACH;
   2161        1.1  kiyohara 
   2162        1.1  kiyohara 	/* We reserve 16 bit space (4 bytes X 64 unit X 256 luns) */
   2163        1.1  kiyohara 	dv_unit = device_get_unit(sbp->fd.dev);
   2164        1.1  kiyohara 	sbp->fwb.start = SBP_DEV2ADDR(dv_unit, 0);
   2165        1.1  kiyohara 	sbp->fwb.end = SBP_DEV2ADDR(dv_unit, -1);
   2166        1.1  kiyohara 	/* pre-allocate xfer */
   2167        1.1  kiyohara 	STAILQ_INIT(&sbp->fwb.xferlist);
   2168        1.1  kiyohara 	fw_xferlist_add(&sbp->fwb.xferlist, M_SBP,
   2169        1.1  kiyohara 	    /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2,
   2170        1.1  kiyohara 	    sbp->fd.fc, (void *)sbp, sbp_recv);
   2171        1.1  kiyohara 	fw_bindadd(sbp->fd.fc, &sbp->fwb);
   2172        1.1  kiyohara 
   2173        1.1  kiyohara 	sbp->fd.post_busreset = sbp_post_busreset;
   2174        1.1  kiyohara 	sbp->fd.post_explore = sbp_post_explore;
   2175        1.1  kiyohara 
   2176       1.14  kiyohara 	if (sbp->fd.fc->status != FWBUSNOTREADY) {
   2177        1.1  kiyohara 		s = splfw();
   2178        1.1  kiyohara 		sbp_post_busreset((void *)sbp);
   2179        1.1  kiyohara 		sbp_post_explore((void *)sbp);
   2180        1.1  kiyohara 		splx(s);
   2181        1.1  kiyohara 	}
   2182        1.1  kiyohara 
   2183        1.1  kiyohara 	FW_ATTACH_RETURN(0);
   2184        1.1  kiyohara #if defined(__FreeBSD__)
   2185        1.1  kiyohara fail:
   2186        1.1  kiyohara 	cam_sim_free(sbp->sim, /*free_devq*/TRUE);
   2187        1.1  kiyohara 	return (ENXIO);
   2188        1.1  kiyohara #endif
   2189        1.1  kiyohara }
   2190        1.1  kiyohara 
   2191        1.1  kiyohara static int
   2192        1.1  kiyohara sbp_logout_all(struct sbp_softc *sbp)
   2193        1.1  kiyohara {
   2194        1.1  kiyohara 	struct sbp_target *target;
   2195        1.1  kiyohara 	struct sbp_dev *sdev;
   2196        1.1  kiyohara 	int i;
   2197        1.1  kiyohara 
   2198        1.1  kiyohara SBP_DEBUG(0)
   2199        1.1  kiyohara 	printf("sbp_logout_all\n");
   2200        1.1  kiyohara END_DEBUG
   2201        1.1  kiyohara 	target = &sbp->target;
   2202        1.1  kiyohara 	if (target->luns != NULL)
   2203        1.1  kiyohara 		for (i = 0; i < target->num_lun; i++) {
   2204        1.1  kiyohara 			sdev = target->luns[i];
   2205        1.1  kiyohara 			if (sdev == NULL)
   2206        1.1  kiyohara 				continue;
   2207        1.1  kiyohara 			callout_stop(&sdev->login_callout);
   2208        1.1  kiyohara 			if (sdev->status >= SBP_DEV_TOATTACH &&
   2209        1.1  kiyohara 					sdev->status <= SBP_DEV_ATTACHED)
   2210        1.1  kiyohara 				sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
   2211        1.1  kiyohara 		}
   2212        1.1  kiyohara 
   2213        1.1  kiyohara 	return 0;
   2214        1.1  kiyohara }
   2215        1.1  kiyohara 
   2216        1.1  kiyohara #if defined(__FreeBSD__)
   2217        1.1  kiyohara static int
   2218        1.1  kiyohara sbp_shutdown(device_t dev)
   2219        1.1  kiyohara {
   2220        1.1  kiyohara 	struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
   2221        1.1  kiyohara 
   2222        1.1  kiyohara 	sbp_logout_all(sbp);
   2223        1.1  kiyohara 	return (0);
   2224        1.1  kiyohara }
   2225        1.1  kiyohara #endif
   2226        1.1  kiyohara 
   2227        1.1  kiyohara static void
   2228        1.1  kiyohara sbp_free_sdev(struct sbp_dev *sdev)
   2229        1.1  kiyohara {
   2230        1.1  kiyohara 	int i;
   2231        1.1  kiyohara 
   2232        1.1  kiyohara 	if (sdev == NULL)
   2233        1.1  kiyohara 		return;
   2234        1.1  kiyohara 	for (i = 0; i < SBP_QUEUE_LEN; i++)
   2235        1.1  kiyohara 		fw_bus_dmamap_destroy(sdev->target->sbp->dmat,
   2236        1.1  kiyohara 		    sdev->ocb[i].dmamap);
   2237        1.1  kiyohara 	fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
   2238        1.1  kiyohara 	free(sdev, M_SBP);
   2239        1.1  kiyohara }
   2240        1.1  kiyohara 
   2241        1.1  kiyohara static void
   2242        1.1  kiyohara sbp_free_target(struct sbp_target *target)
   2243        1.1  kiyohara {
   2244        1.1  kiyohara 	struct sbp_softc *sbp;
   2245        1.1  kiyohara 	struct fw_xfer *xfer, *next;
   2246        1.1  kiyohara 	int i;
   2247        1.1  kiyohara 
   2248        1.1  kiyohara 	if (target->luns == NULL)
   2249        1.1  kiyohara 		return;
   2250        1.1  kiyohara 	callout_stop(&target->mgm_ocb_timeout);
   2251        1.1  kiyohara 	sbp = target->sbp;
   2252        1.1  kiyohara 	for (i = 0; i < target->num_lun; i++)
   2253        1.1  kiyohara 		sbp_free_sdev(target->luns[i]);
   2254        1.1  kiyohara 
   2255        1.1  kiyohara 	for (xfer = STAILQ_FIRST(&target->xferlist);
   2256        1.1  kiyohara 			xfer != NULL; xfer = next) {
   2257        1.1  kiyohara 		next = STAILQ_NEXT(xfer, link);
   2258        1.1  kiyohara 		fw_xfer_free_buf(xfer);
   2259        1.1  kiyohara 	}
   2260        1.1  kiyohara 	STAILQ_INIT(&target->xferlist);
   2261        1.1  kiyohara 	free(target->luns, M_SBP);
   2262        1.1  kiyohara 	target->num_lun = 0;;
   2263        1.1  kiyohara 	target->luns = NULL;
   2264        1.1  kiyohara 	target->fwdev = NULL;
   2265        1.1  kiyohara }
   2266        1.1  kiyohara 
   2267        1.1  kiyohara FW_DETACH(sbp)
   2268        1.1  kiyohara {
   2269        1.1  kiyohara 	FW_DETACH_START(sbp, sbp);
   2270        1.1  kiyohara 	struct firewire_comm *fc = sbp->fd.fc;
   2271        1.1  kiyohara 	int i;
   2272        1.1  kiyohara 
   2273        1.1  kiyohara SBP_DEBUG(0)
   2274        1.1  kiyohara 	printf("sbp_detach\n");
   2275        1.1  kiyohara END_DEBUG
   2276        1.1  kiyohara 
   2277        1.1  kiyohara 	SBP_DETACH_TARGET(&sbp->target);
   2278        1.1  kiyohara #if defined(__FreeBSD__)
   2279        1.1  kiyohara 	xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
   2280        1.1  kiyohara 	xpt_free_path(sbp->path);
   2281        1.1  kiyohara 	xpt_bus_deregister(cam_sim_path(sbp->sim));
   2282        1.1  kiyohara 	cam_sim_free(sbp->sim, /*free_devq*/ TRUE),
   2283        1.1  kiyohara #endif
   2284        1.1  kiyohara 
   2285        1.1  kiyohara 	sbp_logout_all(sbp);
   2286        1.1  kiyohara 
   2287        1.1  kiyohara 	/* XXX wait for logout completion */
   2288        1.1  kiyohara 	tsleep(&i, FWPRI, "sbpdtc", hz/2);
   2289        1.1  kiyohara 
   2290        1.1  kiyohara 	sbp_free_target(&sbp->target);
   2291        1.1  kiyohara 
   2292        1.1  kiyohara 	fw_bindremove(fc, &sbp->fwb);
   2293        1.1  kiyohara 	fw_xferlist_remove(&sbp->fwb.xferlist);
   2294        1.1  kiyohara 
   2295        1.1  kiyohara 	fw_bus_dma_tag_destroy(sbp->dmat);
   2296        1.1  kiyohara 
   2297        1.1  kiyohara 	return (0);
   2298        1.1  kiyohara }
   2299        1.1  kiyohara 
   2300        1.1  kiyohara #if defined(__FreeBSD__)
   2301        1.1  kiyohara static void
   2302        1.1  kiyohara sbp_cam_detach_sdev(struct sbp_dev *sdev)
   2303        1.1  kiyohara {
   2304        1.1  kiyohara 	if (sdev == NULL)
   2305        1.1  kiyohara 		return;
   2306        1.1  kiyohara 	if (sdev->status == SBP_DEV_DEAD)
   2307        1.1  kiyohara 		return;
   2308        1.1  kiyohara 	if (sdev->status == SBP_DEV_RESET)
   2309        1.1  kiyohara 		return;
   2310        1.1  kiyohara 	if (sdev->path) {
   2311        1.1  kiyohara 		xpt_release_devq(sdev->path,
   2312        1.1  kiyohara 				 sdev->freeze, TRUE);
   2313        1.1  kiyohara 		sdev->freeze = 0;
   2314        1.1  kiyohara 		xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
   2315        1.1  kiyohara 		xpt_free_path(sdev->path);
   2316        1.1  kiyohara 		sdev->path = NULL;
   2317        1.1  kiyohara 	}
   2318        1.1  kiyohara 	sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE);
   2319        1.1  kiyohara }
   2320        1.1  kiyohara 
   2321        1.1  kiyohara static void
   2322        1.1  kiyohara sbp_cam_detach_target(struct sbp_target *target)
   2323        1.1  kiyohara {
   2324        1.1  kiyohara 	int i;
   2325        1.1  kiyohara 
   2326        1.1  kiyohara 	if (target->luns != NULL) {
   2327        1.1  kiyohara SBP_DEBUG(0)
   2328        1.1  kiyohara 		printf("sbp_detach_target %d\n", target->target_id);
   2329        1.1  kiyohara END_DEBUG
   2330        1.1  kiyohara 		callout_stop(&target->scan_callout);
   2331        1.1  kiyohara 		for (i = 0; i < target->num_lun; i++)
   2332        1.1  kiyohara 			sbp_cam_detach_sdev(target->luns[i]);
   2333        1.1  kiyohara 	}
   2334        1.1  kiyohara }
   2335        1.1  kiyohara #elif defined(__NetBSD__)
   2336        1.1  kiyohara static void
   2337        1.1  kiyohara sbp_scsipi_detach_sdev(struct sbp_dev *sdev)
   2338        1.1  kiyohara {
   2339        1.7    rpaulo 	struct sbp_target *target;
   2340        1.7    rpaulo 	struct sbp_softc *sbp;
   2341        1.7    rpaulo 
   2342        1.1  kiyohara 	if (sdev == NULL)
   2343        1.1  kiyohara 		return;
   2344        1.7    rpaulo 
   2345        1.7    rpaulo 	target = sdev->target;
   2346        1.7    rpaulo 	if (target == NULL)
   2347        1.7    rpaulo 		return;
   2348        1.7    rpaulo 
   2349        1.7    rpaulo 	sbp = target->sbp;
   2350        1.7    rpaulo 
   2351        1.1  kiyohara 	if (sdev->status == SBP_DEV_DEAD)
   2352        1.1  kiyohara 		return;
   2353        1.1  kiyohara 	if (sdev->status == SBP_DEV_RESET)
   2354        1.1  kiyohara 		return;
   2355        1.1  kiyohara 	if (sdev->periph) {
   2356        1.1  kiyohara 		scsipi_periph_thaw(sdev->periph, sdev->freeze);
   2357        1.1  kiyohara 		scsipi_channel_thaw(&sbp->sc_channel, 0);	/* XXXX */
   2358        1.1  kiyohara 		sdev->freeze = 0;
   2359        1.1  kiyohara 		if (scsipi_target_detach(&sbp->sc_channel,
   2360        1.1  kiyohara 		    target->target_id, sdev->lun_id, DETACH_FORCE) != 0) {
   2361        1.1  kiyohara 			sbp_show_sdev_info(sdev, 2);
   2362        1.1  kiyohara 			printf("detach failed\n");
   2363        1.1  kiyohara 		}
   2364        1.1  kiyohara 		sdev->periph = NULL;
   2365        1.1  kiyohara 	}
   2366        1.1  kiyohara 	sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE);
   2367        1.1  kiyohara }
   2368        1.1  kiyohara 
   2369        1.1  kiyohara static void
   2370        1.1  kiyohara sbp_scsipi_detach_target(struct sbp_target *target)
   2371        1.1  kiyohara {
   2372        1.1  kiyohara 	struct sbp_softc *sbp = target->sbp;
   2373        1.1  kiyohara 	int i;
   2374        1.1  kiyohara 
   2375        1.1  kiyohara 	if (target->luns != NULL) {
   2376        1.1  kiyohara SBP_DEBUG(0)
   2377        1.1  kiyohara 		printf("sbp_detach_target %d\n", target->target_id);
   2378        1.1  kiyohara END_DEBUG
   2379        1.1  kiyohara 		callout_stop(&target->scan_callout);
   2380        1.1  kiyohara 		for (i = 0; i < target->num_lun; i++)
   2381        1.1  kiyohara 			sbp_scsipi_detach_sdev(target->luns[i]);
   2382        1.1  kiyohara 		if (config_detach(sbp->sc_bus, DETACH_FORCE) != 0)
   2383        1.1  kiyohara 			device_printf(sbp->fd.dev, "%d detach failed\n",
   2384        1.1  kiyohara 				target->target_id);
   2385        1.1  kiyohara 		sbp->sc_bus = NULL;
   2386        1.1  kiyohara 	}
   2387        1.1  kiyohara }
   2388        1.1  kiyohara #endif
   2389        1.1  kiyohara 
   2390        1.1  kiyohara static void
   2391        1.1  kiyohara sbp_target_reset(struct sbp_dev *sdev, int method)
   2392        1.1  kiyohara {
   2393        1.1  kiyohara 	int i;
   2394        1.1  kiyohara 	struct sbp_target *target = sdev->target;
   2395        1.1  kiyohara 	struct sbp_dev *tsdev;
   2396        1.1  kiyohara 
   2397        1.1  kiyohara 	for (i = 0; i < target->num_lun; i++) {
   2398        1.1  kiyohara 		tsdev = target->luns[i];
   2399        1.1  kiyohara 		if (tsdev == NULL)
   2400        1.1  kiyohara 			continue;
   2401        1.1  kiyohara 		if (tsdev->status == SBP_DEV_DEAD)
   2402        1.1  kiyohara 			continue;
   2403        1.1  kiyohara 		if (tsdev->status == SBP_DEV_RESET)
   2404        1.1  kiyohara 			continue;
   2405        1.1  kiyohara 		SBP_DEVICE_FREEZE(tsdev, 1);
   2406        1.1  kiyohara 		tsdev->freeze ++;
   2407        1.1  kiyohara 		sbp_abort_all_ocbs(tsdev, XS_CMD_TIMEOUT);
   2408        1.1  kiyohara 		if (method == 2)
   2409        1.1  kiyohara 			tsdev->status = SBP_DEV_LOGIN;
   2410        1.1  kiyohara 	}
   2411        1.1  kiyohara 	switch(method) {
   2412        1.1  kiyohara 	case 1:
   2413        1.1  kiyohara 		printf("target reset\n");
   2414        1.1  kiyohara 		sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
   2415        1.1  kiyohara 		break;
   2416        1.1  kiyohara 	case 2:
   2417        1.1  kiyohara 		printf("reset start\n");
   2418        1.1  kiyohara 		sbp_reset_start(sdev);
   2419        1.1  kiyohara 		break;
   2420        1.1  kiyohara 	}
   2421        1.1  kiyohara 
   2422        1.1  kiyohara }
   2423        1.1  kiyohara 
   2424        1.1  kiyohara static void
   2425        1.1  kiyohara sbp_mgm_timeout(void *arg)
   2426        1.1  kiyohara {
   2427        1.1  kiyohara 	struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
   2428        1.1  kiyohara 	struct sbp_dev *sdev = ocb->sdev;
   2429        1.1  kiyohara 	struct sbp_target *target = sdev->target;
   2430        1.1  kiyohara 
   2431        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   2432        1.1  kiyohara 	printf("request timeout(mgm orb:0x%08x) ... ",
   2433        1.1  kiyohara 	    (uint32_t)ocb->bus_addr);
   2434        1.1  kiyohara 	target->mgm_ocb_cur = NULL;
   2435        1.1  kiyohara 	sbp_free_ocb(sdev, ocb);
   2436        1.1  kiyohara #if 0
   2437        1.1  kiyohara 	/* XXX */
   2438        1.1  kiyohara 	printf("run next request\n");
   2439        1.1  kiyohara 	sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
   2440        1.1  kiyohara #endif
   2441        1.1  kiyohara #if 1
   2442        1.1  kiyohara 	printf("reset start\n");
   2443        1.1  kiyohara 	sbp_reset_start(sdev);
   2444        1.1  kiyohara #endif
   2445        1.1  kiyohara }
   2446        1.1  kiyohara 
   2447        1.1  kiyohara static void
   2448        1.1  kiyohara sbp_timeout(void *arg)
   2449        1.1  kiyohara {
   2450        1.1  kiyohara 	struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
   2451        1.1  kiyohara 	struct sbp_dev *sdev = ocb->sdev;
   2452        1.1  kiyohara 
   2453        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   2454        1.1  kiyohara 	printf("request timeout(cmd orb:0x%08x) ... ",
   2455        1.1  kiyohara 	    (uint32_t)ocb->bus_addr);
   2456        1.1  kiyohara 
   2457        1.1  kiyohara 	sdev->timeout ++;
   2458        1.1  kiyohara 	switch(sdev->timeout) {
   2459        1.1  kiyohara 	case 1:
   2460        1.1  kiyohara 		printf("agent reset\n");
   2461        1.1  kiyohara 		SBP_DEVICE_FREEZE(sdev, 1);
   2462        1.1  kiyohara 		sdev->freeze ++;
   2463        1.1  kiyohara 		sbp_abort_all_ocbs(sdev, XS_CMD_TIMEOUT);
   2464        1.1  kiyohara 		sbp_agent_reset(sdev);
   2465        1.1  kiyohara 		break;
   2466        1.1  kiyohara 	case 2:
   2467        1.1  kiyohara 	case 3:
   2468        1.1  kiyohara 		sbp_target_reset(sdev, sdev->timeout - 1);
   2469        1.1  kiyohara 		break;
   2470        1.1  kiyohara #if 0
   2471        1.1  kiyohara 	default:
   2472        1.1  kiyohara 		/* XXX give up */
   2473        1.1  kiyohara 		SBP_DETACH_TARGET(target);
   2474        1.1  kiyohara 		if (target->luns != NULL)
   2475        1.1  kiyohara 			free(target->luns, M_SBP);
   2476        1.1  kiyohara 		target->num_lun = 0;;
   2477        1.1  kiyohara 		target->luns = NULL;
   2478        1.1  kiyohara 		target->fwdev = NULL;
   2479        1.1  kiyohara #endif
   2480        1.1  kiyohara 	}
   2481        1.1  kiyohara }
   2482        1.1  kiyohara 
   2483        1.1  kiyohara static void
   2484        1.1  kiyohara sbp_action1(struct sbp_softc *sbp, sbp_scsi_xfer *sxfer)
   2485        1.1  kiyohara {
   2486        1.1  kiyohara 
   2487        1.1  kiyohara 	struct sbp_target *target = NULL;
   2488        1.1  kiyohara 	struct sbp_dev *sdev = NULL;
   2489        1.1  kiyohara 
   2490        1.1  kiyohara 	/* target:lun -> sdev mapping */
   2491        1.1  kiyohara 	if (sbp != NULL) {
   2492        1.1  kiyohara 		target = &sbp->target;
   2493        1.1  kiyohara 		if (target->fwdev != NULL
   2494        1.1  kiyohara 				&& NOT_LUN_WILDCARD(SCSI_XFER_LUN(sxfer))
   2495        1.1  kiyohara 				&& SCSI_XFER_LUN(sxfer) < target->num_lun) {
   2496        1.1  kiyohara 			sdev = target->luns[SCSI_XFER_LUN(sxfer)];
   2497        1.1  kiyohara 			if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
   2498        1.1  kiyohara 				sdev->status != SBP_DEV_PROBE)
   2499        1.1  kiyohara 				sdev = NULL;
   2500        1.1  kiyohara 		}
   2501        1.1  kiyohara 	}
   2502        1.1  kiyohara 
   2503        1.1  kiyohara SBP_DEBUG(1)
   2504        1.1  kiyohara 	if (sdev == NULL)
   2505        1.1  kiyohara 		printf("invalid target %d lun %d\n",
   2506        1.1  kiyohara 			SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer));
   2507        1.1  kiyohara END_DEBUG
   2508        1.1  kiyohara 
   2509        1.1  kiyohara 	switch (SCSI_XFER_FUNCCODE(sxfer)) {
   2510        1.1  kiyohara 	case XPT_SCSI_IO:
   2511        1.1  kiyohara #if defined(__FreeBSD__)
   2512        1.1  kiyohara 	case XPT_RESET_DEV:
   2513        1.1  kiyohara 	case XPT_GET_TRAN_SETTINGS:
   2514        1.1  kiyohara 	case XPT_SET_TRAN_SETTINGS:
   2515        1.1  kiyohara 	case XPT_CALC_GEOMETRY:
   2516        1.1  kiyohara #endif
   2517        1.1  kiyohara 		if (sdev == NULL) {
   2518        1.1  kiyohara SBP_DEBUG(1)
   2519        1.1  kiyohara 			printf("%s:%d:%d:func_code 0x%04x: "
   2520        1.1  kiyohara 				"Invalid target (target needed)\n",
   2521        1.8  christos 				sbp ? device_get_nameunit(sbp->fd.dev) : "???",
   2522        1.1  kiyohara 				SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer),
   2523        1.1  kiyohara 				SCSI_XFER_FUNCCODE(sxfer));
   2524        1.1  kiyohara END_DEBUG
   2525        1.1  kiyohara 
   2526        1.1  kiyohara 			SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
   2527        1.1  kiyohara 			SCSI_TRANSFER_DONE(sxfer);
   2528        1.1  kiyohara 			return;
   2529        1.1  kiyohara 		}
   2530        1.1  kiyohara 		break;
   2531        1.1  kiyohara #if defined(__FreeBSD__)
   2532        1.1  kiyohara 	case XPT_PATH_INQ:
   2533        1.1  kiyohara 	case XPT_NOOP:
   2534        1.1  kiyohara 		/* The opcodes sometimes aimed at a target (sc is valid),
   2535        1.1  kiyohara 		 * sometimes aimed at the SIM (sc is invalid and target is
   2536        1.1  kiyohara 		 * CAM_TARGET_WILDCARD)
   2537        1.1  kiyohara 		 */
   2538        1.1  kiyohara 		if (sbp == NULL &&
   2539        1.1  kiyohara 			sxfer->ccb_h.target_id != CAM_TARGET_WILDCARD) {
   2540        1.1  kiyohara SBP_DEBUG(0)
   2541        1.1  kiyohara 			printf("%s:%d:%d func_code 0x%04x: "
   2542        1.1  kiyohara 				"Invalid target (no wildcard)\n",
   2543        1.1  kiyohara 				device_get_nameunit(sbp->fd.dev),
   2544        1.1  kiyohara 				sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun,
   2545        1.1  kiyohara 				sxfer->ccb_h.func_code);
   2546        1.1  kiyohara END_DEBUG
   2547        1.1  kiyohara 			SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
   2548        1.1  kiyohara 			SCSI_TRANSFER_DONE(sxfer);
   2549        1.1  kiyohara 			return;
   2550        1.1  kiyohara 		}
   2551        1.1  kiyohara 		break;
   2552        1.1  kiyohara #endif
   2553        1.1  kiyohara 	default:
   2554        1.1  kiyohara 		/* XXX Hm, we should check the input parameters */
   2555        1.1  kiyohara 		break;
   2556        1.1  kiyohara 	}
   2557        1.1  kiyohara 
   2558        1.1  kiyohara 	switch (SCSI_XFER_FUNCCODE(sxfer)) {
   2559        1.1  kiyohara 	case XPT_SCSI_IO:
   2560        1.1  kiyohara 	{
   2561        1.1  kiyohara 		struct sbp_ocb *ocb;
   2562        1.1  kiyohara 		int speed;
   2563        1.1  kiyohara 		void *cdb;
   2564        1.1  kiyohara 
   2565        1.1  kiyohara SBP_DEBUG(2)
   2566        1.1  kiyohara 		printf("%s:%d:%d XPT_SCSI_IO: "
   2567        1.1  kiyohara 			"cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
   2568        1.1  kiyohara 			", flags: 0x%02x, "
   2569        1.1  kiyohara 			"%db cmd/%db data/%db sense\n",
   2570        1.1  kiyohara 			device_get_nameunit(sbp->fd.dev),
   2571        1.1  kiyohara 			SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer),
   2572        1.1  kiyohara 			SCSI_XFER_10BCMD_DUMP(sxfer),
   2573        1.1  kiyohara 			SCSI_XFER_DIR(sxfer),
   2574        1.1  kiyohara 			SCSI_XFER_CMDLEN(sxfer), SCSI_XFER_DATALEN(sxfer),
   2575        1.1  kiyohara 			SCSI_XFER_SENSELEN(sxfer));
   2576        1.1  kiyohara END_DEBUG
   2577        1.1  kiyohara 		if(sdev == NULL){
   2578        1.1  kiyohara 			SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
   2579        1.1  kiyohara 			SCSI_TRANSFER_DONE(sxfer);
   2580        1.1  kiyohara 			return;
   2581        1.1  kiyohara 		}
   2582        1.1  kiyohara #if 0
   2583        1.1  kiyohara 		/* if we are in probe stage, pass only probe commands */
   2584        1.1  kiyohara 		if (sdev->status == SBP_DEV_PROBE) {
   2585        1.1  kiyohara 			char *name;
   2586        1.1  kiyohara 			name = xpt_path_periph(sxfer->ccb_h.path)->periph_name;
   2587        1.1  kiyohara 			printf("probe stage, periph name: %s\n", name);
   2588        1.1  kiyohara 			if (strcmp(name, "probe") != 0) {
   2589        1.1  kiyohara 				SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ;
   2590        1.1  kiyohara 				SCSI_TRANSFER_DONE(sxfer);
   2591        1.1  kiyohara 				return;
   2592        1.1  kiyohara 			}
   2593        1.1  kiyohara 		}
   2594        1.1  kiyohara #endif
   2595        1.1  kiyohara 		if ((ocb = sbp_get_ocb(sdev)) == NULL) {
   2596        1.1  kiyohara 			SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ;
   2597        1.1  kiyohara 			if (sdev->freeze == 0) {
   2598        1.1  kiyohara 				SBP_DEVICE_FREEZE(sdev, 1);
   2599        1.1  kiyohara 				sdev->freeze ++;
   2600        1.1  kiyohara 			}
   2601        1.1  kiyohara 			SCSI_TRANSFER_DONE(sxfer);
   2602        1.1  kiyohara 			return;
   2603        1.1  kiyohara 		}
   2604        1.1  kiyohara 
   2605        1.1  kiyohara 		ocb->flags = OCB_ACT_CMD;
   2606        1.1  kiyohara 		ocb->sdev = sdev;
   2607        1.1  kiyohara 		ocb->sxfer = sxfer;
   2608        1.1  kiyohara #if defined(__FreeBSD__)
   2609        1.1  kiyohara 		sxfer->ccb_h.ccb_sdev_ptr = sdev;
   2610        1.1  kiyohara #endif
   2611        1.1  kiyohara 		ocb->orb[0] = htonl(1 << 31);
   2612        1.1  kiyohara 		ocb->orb[1] = 0;
   2613        1.1  kiyohara 		ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
   2614        1.1  kiyohara 		ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
   2615        1.1  kiyohara 		speed = min(target->fwdev->speed, max_speed);
   2616        1.1  kiyohara 		ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
   2617        1.1  kiyohara 						| ORB_CMD_MAXP(speed + 7));
   2618        1.1  kiyohara 		if(SCSI_XFER_DIR(sxfer) == SCSI_XFER_DATA_IN){
   2619        1.1  kiyohara 			ocb->orb[4] |= htonl(ORB_CMD_IN);
   2620        1.1  kiyohara 		}
   2621        1.1  kiyohara 
   2622        1.1  kiyohara 		if (CAM_XFER_FLAGS(sxfer) & CAM_SCATTER_VALID)
   2623        1.1  kiyohara 			printf("sbp: CAM_SCATTER_VALID\n");
   2624        1.1  kiyohara 		if (CAM_XFER_FLAGS(sxfer) & CAM_DATA_PHYS)
   2625        1.1  kiyohara 			printf("sbp: CAM_DATA_PHYS\n");
   2626        1.1  kiyohara 
   2627        1.1  kiyohara 		cdb = SCSI_XFER_CMD(sxfer);
   2628        1.1  kiyohara 		bcopy(cdb, (void *)&ocb->orb[5], SCSI_XFER_CMDLEN(sxfer));
   2629        1.1  kiyohara /*
   2630        1.1  kiyohara printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
   2631        1.1  kiyohara printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
   2632        1.1  kiyohara */
   2633        1.1  kiyohara 		if (SCSI_XFER_DATALEN(sxfer) > 0) {
   2634        1.1  kiyohara 			int s, error;
   2635        1.1  kiyohara 
   2636        1.1  kiyohara 			s = splsoftvm();
   2637        1.1  kiyohara 			error = fw_bus_dmamap_load(/*dma tag*/sbp->dmat,
   2638        1.1  kiyohara 					/*dma map*/ocb->dmamap,
   2639        1.1  kiyohara 					SCSI_XFER_DATA(sxfer),
   2640        1.1  kiyohara 					SCSI_XFER_DATALEN(sxfer),
   2641        1.1  kiyohara 					sbp_execute_ocb,
   2642        1.1  kiyohara 					ocb,
   2643        1.1  kiyohara 					/*flags*/0);
   2644        1.1  kiyohara 			splx(s);
   2645        1.1  kiyohara 			if (error)
   2646        1.1  kiyohara 				printf("sbp: bus_dmamap_load error %d\n", error);
   2647        1.1  kiyohara 		} else
   2648        1.1  kiyohara 			sbp_execute_ocb(ocb, NULL, 0, 0);
   2649        1.1  kiyohara 		break;
   2650        1.1  kiyohara 	}
   2651        1.1  kiyohara #if defined(__FreeBSD__)
   2652        1.1  kiyohara 	case XPT_CALC_GEOMETRY:
   2653        1.1  kiyohara 	{
   2654        1.1  kiyohara 		struct ccb_calc_geometry *ccg;
   2655        1.1  kiyohara #if defined(__DragonFly__) || __FreeBSD_version < 501100
   2656        1.1  kiyohara 		uint32_t size_mb;
   2657        1.1  kiyohara 		uint32_t secs_per_cylinder;
   2658        1.1  kiyohara 		int extended = 1;
   2659        1.1  kiyohara #endif
   2660        1.1  kiyohara 
   2661        1.1  kiyohara 		ccg = &sxfer->ccg;
   2662        1.1  kiyohara 		if (ccg->block_size == 0) {
   2663        1.1  kiyohara 			printf("sbp_action1: block_size is 0.\n");
   2664        1.1  kiyohara 			SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
   2665        1.1  kiyohara 			SCSI_TRANSFER_DONE(sxfer);
   2666        1.1  kiyohara 			break;
   2667        1.1  kiyohara 		}
   2668        1.1  kiyohara SBP_DEBUG(1)
   2669        1.1  kiyohara 		printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
   2670        1.1  kiyohara #if defined(__DragonFly__) || __FreeBSD_version < 500000
   2671        1.1  kiyohara 			"Volume size = %d\n",
   2672        1.1  kiyohara #else
   2673        1.1  kiyohara 			"Volume size = %jd\n",
   2674        1.1  kiyohara #endif
   2675        1.1  kiyohara 			device_get_nameunit(sbp->fd.dev),
   2676        1.1  kiyohara 			cam_sim_path(sbp->sim),
   2677        1.1  kiyohara 			sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun,
   2678        1.1  kiyohara #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
   2679        1.1  kiyohara 			(uintmax_t)
   2680        1.1  kiyohara #endif
   2681        1.1  kiyohara 				ccg->volume_size);
   2682        1.1  kiyohara END_DEBUG
   2683        1.1  kiyohara 
   2684        1.1  kiyohara #if defined(__DragonFly__) || __FreeBSD_version < 501100
   2685        1.1  kiyohara 		size_mb = ccg->volume_size
   2686        1.1  kiyohara 			/ ((1024L * 1024L) / ccg->block_size);
   2687        1.1  kiyohara 
   2688        1.1  kiyohara 		if (size_mb > 1024 && extended) {
   2689        1.1  kiyohara 			ccg->heads = 255;
   2690        1.1  kiyohara 			ccg->secs_per_track = 63;
   2691        1.1  kiyohara 		} else {
   2692        1.1  kiyohara 			ccg->heads = 64;
   2693        1.1  kiyohara 			ccg->secs_per_track = 32;
   2694        1.1  kiyohara 		}
   2695        1.1  kiyohara 		secs_per_cylinder = ccg->heads * ccg->secs_per_track;
   2696        1.1  kiyohara 		ccg->cylinders = ccg->volume_size / secs_per_cylinder;
   2697        1.1  kiyohara 		SCSI_XFER_ERROR(sxfer) = XS_REQ_CMP;
   2698        1.1  kiyohara #else
   2699        1.1  kiyohara 		cam_calc_geometry(ccg, /*extended*/1);
   2700        1.1  kiyohara #endif
   2701        1.1  kiyohara 		SCSI_TRANSFER_DONE(sxfer);
   2702        1.1  kiyohara 		break;
   2703        1.1  kiyohara 	}
   2704        1.1  kiyohara 	case XPT_RESET_BUS:		/* Reset the specified SCSI bus */
   2705        1.1  kiyohara 	{
   2706        1.1  kiyohara 
   2707        1.1  kiyohara SBP_DEBUG(1)
   2708        1.1  kiyohara 		printf("%s:%d:XPT_RESET_BUS: \n",
   2709        1.1  kiyohara 			device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
   2710        1.1  kiyohara END_DEBUG
   2711        1.1  kiyohara 
   2712        1.1  kiyohara 		SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
   2713        1.1  kiyohara 		SCSI_TRANSFER_DONE(sxfer);
   2714        1.1  kiyohara 		break;
   2715        1.1  kiyohara 	}
   2716        1.1  kiyohara 	case XPT_PATH_INQ:		/* Path routing inquiry */
   2717        1.1  kiyohara 	{
   2718        1.1  kiyohara 		struct ccb_pathinq *cpi = &sxfer->cpi;
   2719        1.1  kiyohara 		struct cam_sim *sim = sbp->sim;
   2720        1.1  kiyohara 
   2721        1.1  kiyohara SBP_DEBUG(1)
   2722        1.1  kiyohara 		printf("%s:%d:%d XPT_PATH_INQ:.\n",
   2723        1.1  kiyohara 			device_get_nameunit(sbp->fd.dev),
   2724        1.1  kiyohara 			sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun);
   2725        1.1  kiyohara END_DEBUG
   2726        1.1  kiyohara 		cpi->version_num = 1; /* XXX??? */
   2727        1.1  kiyohara 		cpi->hba_inquiry = PI_TAG_ABLE;
   2728        1.1  kiyohara 		cpi->target_sprt = 0;
   2729        1.1  kiyohara 		cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
   2730        1.1  kiyohara 		cpi->hba_eng_cnt = 0;
   2731        1.1  kiyohara 		cpi->max_target = SBP_NUM_TARGETS - 1;
   2732        1.1  kiyohara 		cpi->max_lun = SBP_NUM_LUNS - 1;
   2733        1.1  kiyohara 		cpi->initiator_id = SBP_INITIATOR;
   2734        1.1  kiyohara 		cpi->bus_id = sim->bus_id;
   2735        1.1  kiyohara 		cpi->base_transfer_speed = 400 * 1000 / 8;
   2736        1.1  kiyohara 		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
   2737        1.1  kiyohara 		strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
   2738        1.1  kiyohara 		strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
   2739        1.1  kiyohara 		cpi->unit_number = sim->unit_number;
   2740       1.16  kiyohara 		cpi->transport = XPORT_SPI;	/* XX should havea FireWire */
   2741       1.16  kiyohara 		cpi->transport_version = 2;
   2742       1.16  kiyohara 		cpi->protocol = PROTO_SCSI;
   2743       1.16  kiyohara 		cpi->protocol_version = SCSI_REV_2;
   2744        1.1  kiyohara 
   2745        1.1  kiyohara 		SCSI_XFER_ERROR(cpi) = XS_REQ_CMP;
   2746        1.1  kiyohara 		SCSI_TRANSFER_DONE(sxfer);
   2747        1.1  kiyohara 		break;
   2748        1.1  kiyohara 	}
   2749        1.1  kiyohara 	case XPT_GET_TRAN_SETTINGS:
   2750        1.1  kiyohara 	{
   2751        1.1  kiyohara 		struct ccb_trans_settings *cts = &sxfer->cts;
   2752       1.16  kiyohara 		struct ccb_trans_settings_scsi *scsi =
   2753       1.16  kiyohara 		    &cts->proto_specific.scsi;
   2754       1.16  kiyohara 		struct ccb_trans_settings_spi *spi =
   2755       1.16  kiyohara 		    &cts->xport_specific.spi;
   2756       1.16  kiyohara 
   2757       1.16  kiyohara 		cts->protocol = PROTO_SCSI;
   2758       1.16  kiyohara 		cts->protocol_version = SCSI_REV_2;
   2759       1.16  kiyohara 		cts->transport = XPORT_SPI;     /* should have a FireWire */
   2760       1.16  kiyohara 		cts->transport_version = 2;
   2761       1.16  kiyohara 		spi->valid = CTS_SPI_VALID_DISC;
   2762       1.16  kiyohara 		spi->flags = CTS_SPI_FLAGS_DISC_ENB;
   2763       1.16  kiyohara 		scsi->valid = CTS_SCSI_VALID_TQ;
   2764       1.16  kiyohara 		scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
   2765        1.1  kiyohara SBP_DEBUG(1)
   2766        1.1  kiyohara 		printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
   2767        1.1  kiyohara 			device_get_nameunit(sbp->fd.dev),
   2768        1.1  kiyohara 			sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun);
   2769        1.1  kiyohara END_DEBUG
   2770        1.1  kiyohara 		SCSI_XFER_ERROR(cts) = XS_REQ_CMP;
   2771        1.1  kiyohara 		SCSI_TRANSFER_DONE(sxfer);
   2772        1.1  kiyohara 		break;
   2773        1.1  kiyohara 	}
   2774        1.1  kiyohara 	case XPT_ABORT:
   2775        1.1  kiyohara 		SCSI_XFER_ERROR(sxfer) = XS_UA_ABORT;
   2776        1.1  kiyohara 		SCSI_TRANSFER_DONE(sxfer);
   2777        1.1  kiyohara 		break;
   2778        1.1  kiyohara 	case XPT_SET_TRAN_SETTINGS:
   2779        1.1  kiyohara 		/* XXX */
   2780        1.1  kiyohara 	default:
   2781        1.1  kiyohara 		SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
   2782        1.1  kiyohara 		SCSI_TRANSFER_DONE(sxfer);
   2783        1.1  kiyohara 		break;
   2784        1.1  kiyohara #endif
   2785        1.1  kiyohara 	}
   2786        1.1  kiyohara 	return;
   2787        1.1  kiyohara }
   2788        1.1  kiyohara 
   2789        1.1  kiyohara #if defined(__FreeBSD__)
   2790        1.1  kiyohara static void
   2791        1.1  kiyohara sbp_action(struct cam_sim *sim, sbp_scsi_xfer *sxfer)
   2792        1.1  kiyohara {
   2793        1.1  kiyohara 	int s;
   2794        1.1  kiyohara 
   2795        1.1  kiyohara 	s = splfw();
   2796        1.1  kiyohara 	sbp_action1(sim->softc, sxfer);
   2797        1.1  kiyohara 	splx(s);
   2798        1.1  kiyohara }
   2799        1.1  kiyohara #endif
   2800        1.1  kiyohara 
   2801        1.1  kiyohara static void
   2802        1.1  kiyohara sbp_execute_ocb(void *arg,  bus_dma_segment_t *segments, int seg, int error)
   2803        1.1  kiyohara {
   2804        1.1  kiyohara 	int i;
   2805        1.1  kiyohara 	struct sbp_ocb *ocb;
   2806        1.1  kiyohara 	struct sbp_ocb *prev;
   2807        1.1  kiyohara 	bus_dma_segment_t *s;
   2808        1.1  kiyohara 
   2809        1.1  kiyohara 	if (error)
   2810        1.1  kiyohara 		printf("sbp_execute_ocb: error=%d\n", error);
   2811        1.1  kiyohara 
   2812        1.1  kiyohara 	ocb = (struct sbp_ocb *)arg;
   2813        1.1  kiyohara 
   2814        1.1  kiyohara SBP_DEBUG(2)
   2815        1.1  kiyohara 	printf("sbp_execute_ocb: seg %d", seg);
   2816        1.1  kiyohara 	for (i = 0; i < seg; i++)
   2817        1.1  kiyohara #if defined(__DragonFly__) || \
   2818        1.1  kiyohara     (defined(__FreeBSD__) && __FreeBSD_version < 500000)
   2819        1.1  kiyohara 		printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
   2820        1.1  kiyohara #else
   2821        1.1  kiyohara 		printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
   2822        1.1  kiyohara 					(uintmax_t)segments[i].ds_len);
   2823        1.1  kiyohara #endif
   2824        1.1  kiyohara 	printf("\n");
   2825        1.1  kiyohara END_DEBUG
   2826        1.1  kiyohara 
   2827        1.1  kiyohara 	if (seg == 1) {
   2828        1.1  kiyohara 		/* direct pointer */
   2829        1.1  kiyohara 		s = &segments[0];
   2830        1.1  kiyohara 		if (s->ds_len > SBP_SEG_MAX)
   2831        1.1  kiyohara 			panic("ds_len > SBP_SEG_MAX, fix busdma code");
   2832        1.1  kiyohara 		ocb->orb[3] = htonl(s->ds_addr);
   2833        1.1  kiyohara 		ocb->orb[4] |= htonl(s->ds_len);
   2834        1.1  kiyohara 	} else if(seg > 1) {
   2835        1.1  kiyohara 		/* page table */
   2836        1.1  kiyohara 		for (i = 0; i < seg; i++) {
   2837        1.1  kiyohara 			s = &segments[i];
   2838        1.1  kiyohara SBP_DEBUG(0)
   2839        1.1  kiyohara 			/* XXX LSI Logic "< 16 byte" bug might be hit */
   2840        1.1  kiyohara 			if (s->ds_len < 16)
   2841        1.1  kiyohara 				printf("sbp_execute_ocb: warning, "
   2842        1.1  kiyohara #if defined(__DragonFly__) || \
   2843        1.1  kiyohara     (defined(__FreeBSD__) && __FreeBSD_version < 500000)
   2844        1.1  kiyohara 					"segment length(%d) is less than 16."
   2845        1.1  kiyohara #else
   2846        1.1  kiyohara 					"segment length(%jd) is less than 16."
   2847        1.1  kiyohara #endif
   2848        1.1  kiyohara 					"(seg=%d/%d)\n", (uintmax_t)s->ds_len, i+1, seg);
   2849        1.1  kiyohara END_DEBUG
   2850        1.1  kiyohara 			if (s->ds_len > SBP_SEG_MAX)
   2851        1.1  kiyohara 				panic("ds_len > SBP_SEG_MAX, fix busdma code");
   2852        1.1  kiyohara 			ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
   2853        1.1  kiyohara 			ocb->ind_ptr[i].lo = htonl(s->ds_addr);
   2854        1.1  kiyohara 		}
   2855        1.1  kiyohara 		ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
   2856        1.1  kiyohara 	}
   2857        1.1  kiyohara 
   2858        1.1  kiyohara 	if (seg > 0)
   2859        1.1  kiyohara 		fw_bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
   2860        1.1  kiyohara 			(ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
   2861        1.1  kiyohara 			BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
   2862        1.1  kiyohara 	prev = sbp_enqueue_ocb(ocb->sdev, ocb);
   2863        1.1  kiyohara 	fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
   2864        1.1  kiyohara 	if (use_doorbell) {
   2865        1.1  kiyohara 		if (prev == NULL) {
   2866        1.1  kiyohara 			if (ocb->sdev->last_ocb != NULL)
   2867        1.1  kiyohara 				sbp_doorbell(ocb->sdev);
   2868        1.1  kiyohara 			else
   2869        1.1  kiyohara 				sbp_orb_pointer(ocb->sdev, ocb);
   2870        1.1  kiyohara 		}
   2871        1.1  kiyohara 	} else {
   2872        1.1  kiyohara 		if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
   2873        1.1  kiyohara 			ocb->sdev->flags &= ~ORB_LINK_DEAD;
   2874        1.1  kiyohara 			sbp_orb_pointer(ocb->sdev, ocb);
   2875        1.1  kiyohara 		}
   2876        1.1  kiyohara 	}
   2877        1.1  kiyohara }
   2878        1.1  kiyohara 
   2879        1.1  kiyohara #if defined(__FreeBSD__)
   2880        1.1  kiyohara static void
   2881        1.1  kiyohara sbp_poll(struct cam_sim *sim)
   2882        1.1  kiyohara {
   2883        1.1  kiyohara 	struct sbp_softc *sbp;
   2884        1.1  kiyohara 	struct firewire_comm *fc;
   2885        1.1  kiyohara 
   2886        1.1  kiyohara 	sbp = (struct sbp_softc *)sim->softc;
   2887        1.1  kiyohara 	fc = sbp->fd.fc;
   2888        1.1  kiyohara 
   2889        1.1  kiyohara 	fc->poll(fc, 0, -1);
   2890        1.1  kiyohara 
   2891        1.1  kiyohara 	return;
   2892        1.1  kiyohara }
   2893        1.1  kiyohara 
   2894        1.1  kiyohara #endif
   2895        1.1  kiyohara static struct sbp_ocb *
   2896        1.1  kiyohara sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
   2897        1.1  kiyohara {
   2898        1.1  kiyohara 	struct sbp_ocb *ocb;
   2899        1.1  kiyohara 	struct sbp_ocb *next;
   2900        1.1  kiyohara 	int s = splfw(), order = 0;
   2901        1.1  kiyohara 	int flags;
   2902        1.1  kiyohara 
   2903        1.1  kiyohara SBP_DEBUG(1)
   2904        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   2905        1.1  kiyohara #if defined(__DragonFly__) || \
   2906        1.1  kiyohara     (defined(__FreeBSD__) && __FreeBSD_version < 500000)
   2907        1.1  kiyohara 	printf("%s: 0x%08lx src %d\n",
   2908        1.1  kiyohara #else
   2909        1.1  kiyohara 	printf("%s: 0x%08x src %d\n",
   2910        1.1  kiyohara #endif
   2911        1.1  kiyohara 	    __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
   2912        1.1  kiyohara END_DEBUG
   2913        1.1  kiyohara 	for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
   2914        1.1  kiyohara 		next = STAILQ_NEXT(ocb, ocb);
   2915        1.1  kiyohara 		flags = ocb->flags;
   2916        1.1  kiyohara 		if (OCB_MATCH(ocb, sbp_status)) {
   2917        1.1  kiyohara 			/* found */
   2918        1.1  kiyohara 			STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
   2919        1.1  kiyohara 			if (ocb->sxfer != NULL)
   2920        1.1  kiyohara #if defined(__DragonFly__) || defined(__NetBSD__)
   2921        1.1  kiyohara 				callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer));
   2922        1.1  kiyohara #else
   2923       1.15  christos 				untimeout(sbp_timeout, (void *)ocb,
   2924        1.1  kiyohara 						SCSI_XFER_CALLOUT(ocb->sxfer));
   2925        1.1  kiyohara #endif
   2926        1.1  kiyohara 			if (ntohl(ocb->orb[4]) & 0xffff) {
   2927        1.1  kiyohara 				fw_bus_dmamap_sync(sdev->target->sbp->dmat,
   2928        1.1  kiyohara 					ocb->dmamap,
   2929        1.1  kiyohara 					(ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
   2930        1.1  kiyohara 					BUS_DMASYNC_POSTREAD :
   2931        1.1  kiyohara 					BUS_DMASYNC_POSTWRITE);
   2932        1.1  kiyohara 				fw_bus_dmamap_unload(sdev->target->sbp->dmat,
   2933        1.1  kiyohara 					ocb->dmamap);
   2934        1.1  kiyohara 			}
   2935        1.1  kiyohara 			if (!use_doorbell) {
   2936        1.1  kiyohara 				if (sbp_status->src == SRC_NO_NEXT) {
   2937        1.1  kiyohara 					if (next != NULL)
   2938        1.1  kiyohara 						sbp_orb_pointer(sdev, next);
   2939        1.1  kiyohara 					else if (order > 0) {
   2940        1.1  kiyohara 						/*
   2941        1.1  kiyohara 						 * Unordered execution
   2942        1.1  kiyohara 						 * We need to send pointer for
   2943        1.1  kiyohara 						 * next ORB
   2944        1.1  kiyohara 						 */
   2945        1.1  kiyohara 						sdev->flags |= ORB_LINK_DEAD;
   2946        1.1  kiyohara 					}
   2947        1.1  kiyohara 				}
   2948        1.1  kiyohara 			} else {
   2949        1.1  kiyohara 				/*
   2950        1.1  kiyohara 				 * XXX this is not correct for unordered
   2951        1.1  kiyohara 				 * execution.
   2952        1.1  kiyohara 				 */
   2953        1.1  kiyohara 				if (sdev->last_ocb != NULL)
   2954        1.1  kiyohara 					sbp_free_ocb(sdev, sdev->last_ocb);
   2955        1.1  kiyohara 				sdev->last_ocb = ocb;
   2956        1.1  kiyohara 				if (next != NULL &&
   2957        1.1  kiyohara 				    sbp_status->src == SRC_NO_NEXT)
   2958        1.1  kiyohara 					sbp_doorbell(sdev);
   2959        1.1  kiyohara 			}
   2960        1.1  kiyohara 			break;
   2961        1.1  kiyohara 		} else
   2962        1.1  kiyohara 			order ++;
   2963        1.1  kiyohara 	}
   2964        1.1  kiyohara 	splx(s);
   2965        1.1  kiyohara SBP_DEBUG(0)
   2966        1.1  kiyohara 	if (ocb && order > 0) {
   2967        1.1  kiyohara 		sbp_show_sdev_info(sdev, 2);
   2968        1.1  kiyohara 		printf("unordered execution order:%d\n", order);
   2969        1.1  kiyohara 	}
   2970        1.1  kiyohara END_DEBUG
   2971        1.1  kiyohara 	return (ocb);
   2972        1.1  kiyohara }
   2973        1.1  kiyohara 
   2974        1.1  kiyohara static struct sbp_ocb *
   2975        1.1  kiyohara sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
   2976        1.1  kiyohara {
   2977        1.1  kiyohara 	int s = splfw();
   2978        1.1  kiyohara 	struct sbp_ocb *prev, *prev2;
   2979        1.1  kiyohara 
   2980        1.1  kiyohara SBP_DEBUG(1)
   2981        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   2982        1.1  kiyohara #if defined(__DragonFly__) || \
   2983        1.1  kiyohara     (defined(__FreeBSD__) && __FreeBSD_version < 500000)
   2984        1.1  kiyohara 	printf("%s: 0x%08x\n", __func__, ocb->bus_addr);
   2985        1.1  kiyohara #else
   2986        1.1  kiyohara 	printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
   2987        1.1  kiyohara #endif
   2988        1.1  kiyohara END_DEBUG
   2989        1.1  kiyohara 	prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
   2990        1.1  kiyohara 	STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
   2991        1.1  kiyohara 
   2992        1.1  kiyohara 	if (ocb->sxfer != NULL)
   2993        1.1  kiyohara #if defined(__DragonFly__) || defined(__NetBSD__)
   2994        1.1  kiyohara 		callout_reset(&SCSI_XFER_CALLOUT(ocb->sxfer),
   2995        1.1  kiyohara 		    mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)), sbp_timeout, ocb);
   2996        1.1  kiyohara #else
   2997        1.1  kiyohara 		SCSI_XFER_CALLOUT(ocb->sxfer) = timeout(sbp_timeout,
   2998       1.15  christos 		    (void *)ocb, mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)));
   2999        1.1  kiyohara #endif
   3000        1.1  kiyohara 
   3001        1.1  kiyohara 	if (use_doorbell && prev == NULL)
   3002        1.1  kiyohara 		prev2 = sdev->last_ocb;
   3003        1.1  kiyohara 
   3004        1.1  kiyohara 	if (prev2 != NULL) {
   3005        1.1  kiyohara SBP_DEBUG(2)
   3006        1.1  kiyohara #if defined(__DragonFly__) || \
   3007        1.1  kiyohara     (defined(__FreeBSD__) && __FreeBSD_version < 500000)
   3008        1.1  kiyohara 		printf("linking chain 0x%x -> 0x%x\n",
   3009        1.1  kiyohara 		    prev2->bus_addr, ocb->bus_addr);
   3010        1.1  kiyohara #else
   3011        1.1  kiyohara 		printf("linking chain 0x%jx -> 0x%jx\n",
   3012        1.1  kiyohara 		    (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
   3013        1.1  kiyohara #endif
   3014        1.1  kiyohara END_DEBUG
   3015        1.1  kiyohara 		prev2->orb[1] = htonl(ocb->bus_addr);
   3016        1.1  kiyohara 		prev2->orb[0] = 0;
   3017        1.1  kiyohara 	}
   3018        1.1  kiyohara 	splx(s);
   3019        1.1  kiyohara 
   3020        1.1  kiyohara 	return prev;
   3021        1.1  kiyohara }
   3022        1.1  kiyohara 
   3023        1.1  kiyohara static struct sbp_ocb *
   3024        1.1  kiyohara sbp_get_ocb(struct sbp_dev *sdev)
   3025        1.1  kiyohara {
   3026        1.1  kiyohara 	struct sbp_ocb *ocb;
   3027        1.1  kiyohara 	int s = splfw();
   3028        1.1  kiyohara 	ocb = STAILQ_FIRST(&sdev->free_ocbs);
   3029        1.1  kiyohara 	if (ocb == NULL) {
   3030        1.1  kiyohara 		sdev->flags |= ORB_SHORTAGE;
   3031        1.1  kiyohara 		printf("ocb shortage!!!\n");
   3032        1.1  kiyohara 		splx(s);
   3033        1.1  kiyohara 		return NULL;
   3034        1.1  kiyohara 	}
   3035        1.1  kiyohara 	STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
   3036        1.1  kiyohara 	splx(s);
   3037        1.1  kiyohara 	ocb->sxfer = NULL;
   3038        1.1  kiyohara 	return (ocb);
   3039        1.1  kiyohara }
   3040        1.1  kiyohara 
   3041        1.1  kiyohara static void
   3042        1.1  kiyohara sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
   3043        1.1  kiyohara {
   3044        1.1  kiyohara 	ocb->flags = 0;
   3045        1.1  kiyohara 	ocb->sxfer = NULL;
   3046        1.1  kiyohara 	STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
   3047        1.1  kiyohara 	if ((sdev->flags & ORB_SHORTAGE) != 0) {
   3048        1.1  kiyohara 		int count;
   3049        1.1  kiyohara 
   3050        1.1  kiyohara 		sdev->flags &= ~ORB_SHORTAGE;
   3051        1.1  kiyohara 		count = sdev->freeze;
   3052        1.1  kiyohara 		sdev->freeze = 0;
   3053        1.1  kiyohara 		SBP_DEVICE_THAW(sdev, count);
   3054        1.1  kiyohara 	}
   3055        1.1  kiyohara }
   3056        1.1  kiyohara 
   3057        1.1  kiyohara static void
   3058        1.1  kiyohara sbp_abort_ocb(struct sbp_ocb *ocb, int status)
   3059        1.1  kiyohara {
   3060        1.1  kiyohara 	struct sbp_dev *sdev;
   3061        1.1  kiyohara 
   3062        1.1  kiyohara 	sdev = ocb->sdev;
   3063        1.1  kiyohara SBP_DEBUG(0)
   3064        1.1  kiyohara 	sbp_show_sdev_info(sdev, 2);
   3065        1.1  kiyohara #if defined(__DragonFly__) || \
   3066        1.1  kiyohara     (defined(__FreeBSD__) && __FreeBSD_version < 500000)
   3067        1.1  kiyohara 	printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr);
   3068        1.1  kiyohara #else
   3069        1.1  kiyohara 	printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
   3070        1.1  kiyohara #endif
   3071        1.1  kiyohara END_DEBUG
   3072        1.1  kiyohara SBP_DEBUG(1)
   3073        1.1  kiyohara 	if (ocb->sxfer != NULL)
   3074        1.1  kiyohara 		sbp_print_scsi_cmd(ocb);
   3075        1.1  kiyohara END_DEBUG
   3076        1.1  kiyohara 	if (ntohl(ocb->orb[4]) & 0xffff) {
   3077        1.1  kiyohara 		fw_bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
   3078        1.1  kiyohara 			(ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
   3079        1.1  kiyohara 			BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
   3080        1.1  kiyohara 		fw_bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
   3081        1.1  kiyohara 	}
   3082        1.1  kiyohara 	if (ocb->sxfer != NULL) {
   3083        1.1  kiyohara #if defined(__DragonFly__ ) || defined(__NetBSD__)
   3084        1.1  kiyohara 		callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer));
   3085        1.1  kiyohara #else
   3086       1.15  christos 		untimeout(sbp_timeout, (void *)ocb,
   3087        1.1  kiyohara 					SCSI_XFER_CALLOUT(ocb->sxfer));
   3088        1.1  kiyohara #endif
   3089        1.1  kiyohara 		SCSI_XFER_ERROR(ocb->sxfer) = status;
   3090        1.1  kiyohara 		SCSI_TRANSFER_DONE(ocb->sxfer);
   3091        1.1  kiyohara 	}
   3092        1.1  kiyohara 	sbp_free_ocb(sdev, ocb);
   3093        1.1  kiyohara }
   3094        1.1  kiyohara 
   3095        1.1  kiyohara static void
   3096        1.1  kiyohara sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
   3097        1.1  kiyohara {
   3098        1.1  kiyohara 	int s;
   3099        1.1  kiyohara 	struct sbp_ocb *ocb, *next;
   3100        1.1  kiyohara 	STAILQ_HEAD(, sbp_ocb) temp;
   3101        1.1  kiyohara 
   3102        1.1  kiyohara 	s = splfw();
   3103        1.1  kiyohara 
   3104        1.1  kiyohara 	bcopy(&sdev->ocbs, &temp, sizeof(temp));
   3105        1.1  kiyohara 	STAILQ_INIT(&sdev->ocbs);
   3106        1.1  kiyohara 	for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
   3107        1.1  kiyohara 		next = STAILQ_NEXT(ocb, ocb);
   3108        1.1  kiyohara 		sbp_abort_ocb(ocb, status);
   3109        1.1  kiyohara 	}
   3110        1.1  kiyohara 	if (sdev->last_ocb != NULL) {
   3111        1.1  kiyohara 		sbp_free_ocb(sdev, sdev->last_ocb);
   3112        1.1  kiyohara 		sdev->last_ocb = NULL;
   3113        1.1  kiyohara 	}
   3114        1.1  kiyohara 
   3115        1.1  kiyohara 	splx(s);
   3116        1.1  kiyohara }
   3117        1.1  kiyohara 
   3118        1.1  kiyohara #if defined(__FreeBSD__)
   3119        1.1  kiyohara static devclass_t sbp_devclass;
   3120        1.1  kiyohara 
   3121        1.1  kiyohara static device_method_t sbp_methods[] = {
   3122        1.1  kiyohara 	/* device interface */
   3123        1.1  kiyohara 	DEVMETHOD(device_probe,		sbp_probe),
   3124        1.1  kiyohara 	DEVMETHOD(device_attach,	sbp_attach),
   3125        1.1  kiyohara 	DEVMETHOD(device_detach,	sbp_detach),
   3126        1.1  kiyohara 	DEVMETHOD(device_shutdown,	sbp_shutdown),
   3127        1.1  kiyohara 
   3128        1.1  kiyohara 	{ 0, 0 }
   3129        1.1  kiyohara };
   3130        1.1  kiyohara 
   3131        1.1  kiyohara static driver_t sbp_driver = {
   3132        1.1  kiyohara 	"sbp",
   3133        1.1  kiyohara 	sbp_methods,
   3134        1.1  kiyohara 	sizeof(struct sbp_softc),
   3135        1.1  kiyohara };
   3136        1.1  kiyohara #ifdef __DragonFly__
   3137        1.1  kiyohara DECLARE_DUMMY_MODULE(sbp);
   3138        1.1  kiyohara #endif
   3139        1.1  kiyohara DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
   3140        1.1  kiyohara MODULE_VERSION(sbp, 1);
   3141        1.1  kiyohara MODULE_DEPEND(sbp, firewire, 1, 1, 1);
   3142        1.1  kiyohara MODULE_DEPEND(sbp, cam, 1, 1, 1);
   3143        1.1  kiyohara #elif defined(__NetBSD__)
   3144        1.1  kiyohara static void
   3145        1.1  kiyohara sbp_scsipi_request(
   3146        1.1  kiyohara     struct scsipi_channel *channel, scsipi_adapter_req_t req, void *arg)
   3147        1.1  kiyohara {
   3148        1.1  kiyohara 	int i, s;
   3149        1.1  kiyohara 	struct sbp_softc *sbp =
   3150        1.1  kiyohara 	    (struct sbp_softc *)channel->chan_adapter->adapt_dev;
   3151        1.1  kiyohara 	struct scsipi_xfer *xs = arg;
   3152        1.1  kiyohara 
   3153        1.1  kiyohara 	if (debug > 1)
   3154        1.1  kiyohara 		printf("Called sbpscsi_scsipi_request\n");
   3155        1.1  kiyohara 
   3156        1.1  kiyohara 	switch (req) {
   3157        1.1  kiyohara 	case ADAPTER_REQ_RUN_XFER:
   3158        1.1  kiyohara 		if (debug > 1) {
   3159        1.1  kiyohara 			printf("Got req_run_xfer\n");
   3160        1.1  kiyohara 			printf("xs control: 0x%08x, timeout: %d\n",
   3161        1.1  kiyohara 			    xs->xs_control, xs->timeout);
   3162        1.1  kiyohara 			printf("opcode: 0x%02x\n", (int)xs->cmd->opcode);
   3163        1.1  kiyohara 			for (i = 0; i < 15; i++)
   3164        1.1  kiyohara 				printf("0x%02x ",(int)xs->cmd->bytes[i]);
   3165        1.1  kiyohara 			printf("\n");
   3166        1.1  kiyohara 		}
   3167        1.1  kiyohara 		if (xs->xs_control & XS_CTL_RESET) {
   3168        1.1  kiyohara 			if (debug > 1)
   3169        1.1  kiyohara 				printf("XS_CTL_RESET not support\n");
   3170        1.1  kiyohara 			break;
   3171        1.1  kiyohara 		}
   3172        1.1  kiyohara #define SBPSCSI_SBP2_MAX_CDB 12
   3173        1.1  kiyohara 		if (xs->cmdlen > SBPSCSI_SBP2_MAX_CDB) {
   3174        1.1  kiyohara 			if (debug > 0)
   3175        1.1  kiyohara 				printf(
   3176        1.1  kiyohara 				    "sbp doesn't support cdb's larger than %d "
   3177        1.1  kiyohara 				    "bytes\n", SBPSCSI_SBP2_MAX_CDB);
   3178        1.1  kiyohara 			SCSI_XFER_ERROR(xs) = XS_REQ_INVALID;
   3179        1.1  kiyohara 			SCSI_TRANSFER_DONE(xs);
   3180        1.1  kiyohara 			return;
   3181        1.1  kiyohara 		}
   3182        1.1  kiyohara 		s = splfw();
   3183        1.1  kiyohara 		sbp_action1(sbp, xs);
   3184        1.1  kiyohara 		splx(s);
   3185        1.1  kiyohara 
   3186        1.1  kiyohara 		break;
   3187        1.1  kiyohara 	case ADAPTER_REQ_GROW_RESOURCES:
   3188        1.1  kiyohara 		if (debug > 1)
   3189        1.1  kiyohara 			printf("Got req_grow_resources\n");
   3190        1.1  kiyohara 		break;
   3191        1.1  kiyohara 	case ADAPTER_REQ_SET_XFER_MODE:
   3192        1.1  kiyohara 		if (debug > 1)
   3193        1.1  kiyohara 			printf("Got set xfer mode\n");
   3194        1.1  kiyohara 		break;
   3195        1.1  kiyohara 	default:
   3196        1.1  kiyohara 		panic("Unknown request: %d\n", (int)req);
   3197        1.1  kiyohara 	}
   3198        1.1  kiyohara }
   3199        1.1  kiyohara 
   3200        1.1  kiyohara static void
   3201        1.1  kiyohara sbp_minphys(struct buf *bp)
   3202        1.1  kiyohara {
   3203        1.1  kiyohara 	minphys(bp);
   3204        1.1  kiyohara }
   3205        1.1  kiyohara 
   3206        1.1  kiyohara CFATTACH_DECL(sbp, sizeof (struct sbp_softc),
   3207        1.1  kiyohara     sbpmatch, sbpattach, sbpdetach, NULL);
   3208        1.1  kiyohara #endif
   3209