@@ -1,3246 +0,0 @@
-/* $NetBSD: sbp.c,v 1.23 2009/01/03 03:43:22 yamt Exp $ */
-/*-
- * Copyright (c) 2003 Hidetoshi Shimokawa
- * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the acknowledgement as bellow:
- *
- * This product includes software developed by K. Kobayashi and H. Shimokawa
- *
- * 4. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD: src/sys/dev/firewire/sbp.c,v 1.92 2007/06/06 14:31:36 simokawa Exp $
- *
- */
-
-#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sbp.c,v 1.23 2009/01/03 03:43:22 yamt Exp $");
-
-#if defined(__FreeBSD__)
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/conf.h>
-#include <sys/module.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/sysctl.h>
-#include <sys/bus.h>
-#include <sys/malloc.h>
-#if defined(__FreeBSD__) && __FreeBSD_version >= 501102
-#include <sys/lock.h>
-#include <sys/mutex.h>
-#endif
-
-#if defined(__DragonFly__) || __FreeBSD_version < 500106
-#include <sys/devicestat.h> /* for struct devstat */
-#endif
-
-#ifdef __DragonFly__
-#include <bus/cam/cam.h>
-#include <bus/cam/cam_ccb.h>
-#include <bus/cam/cam_sim.h>
-#include <bus/cam/cam_xpt_sim.h>
-#include <bus/cam/cam_debug.h>
-#include <bus/cam/cam_periph.h>
-#include <bus/cam/scsi/scsi_all.h>
-
-#include <bus/firewire/fw_port.h>
-#include <bus/firewire/firewire.h>
-#include <bus/firewire/firewirereg.h>
-#include <bus/firewire/fwdma.h>
-#include <bus/firewire/iec13213.h>
-#include "sbp.h"
-#else
-#include <cam/cam.h>
-#include <cam/cam_ccb.h>
-#include <cam/cam_sim.h>
-#include <cam/cam_xpt_sim.h>
-#include <cam/cam_debug.h>
-#include <cam/cam_periph.h>
-#include <cam/scsi/scsi_all.h>
-
-#include <dev/firewire/fw_port.h>
-#include <dev/firewire/firewire.h>
-#include <dev/firewire/firewirereg.h>
-#include <dev/firewire/fwdma.h>
-#include <dev/firewire/iec13213.h>
-#include <dev/firewire/sbp.h>
-#endif
-#elif defined(__NetBSD__)
-#include <sys/param.h>
-#include <sys/device.h>
-#include <sys/errno.h>
-#include <sys/buf.h>
-#include <sys/kernel.h>
-#include <sys/kthread.h>
-#include <sys/malloc.h>
-#include <sys/proc.h>
-#include <sys/sysctl.h>
-
-#include <sys/bus.h>
-
-#include <dev/scsipi/scsi_spc.h>
-#include <dev/scsipi/scsi_all.h>
-#include <dev/scsipi/scsipi_all.h>
-#include <dev/scsipi/scsiconf.h>
-#include <dev/scsipi/scsipiconf.h>
-
-#include <dev/ieee1394/fw_port.h>
-#include <dev/ieee1394/firewire.h>
-#include <dev/ieee1394/firewirereg.h>
-#include <dev/ieee1394/fwdma.h>
-#include <dev/ieee1394/iec13213.h>
-#include <dev/ieee1394/sbp.h>
-
-#include "locators.h"
-#endif
-
-#define ccb_sdev_ptr spriv_ptr0
-#define ccb_sbp_ptr spriv_ptr1
-
-#define SBP_NUM_TARGETS 8 /* MAX 64 */
-/*
- * Scan_bus doesn't work for more than 8 LUNs
- * because of CAM_SCSI2_MAXLUN in cam_xpt.c
- */
-#define SBP_NUM_LUNS 64
-#define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
-#define SBP_DMA_SIZE PAGE_SIZE
-#define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
-#define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
-#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
-
-/*
- * STATUS FIFO addressing
- * bit
- * -----------------------
- * 0- 1( 2): 0 (alignment)
- * 2- 9( 8): lun
- * 10-31(14): unit
- * 32-47(16): SBP_BIND_HI
- * 48-64(16): bus_id, node_id
- */
-#define SBP_BIND_HI 0x1
-#define SBP_DEV2ADDR(u, l) \
- (((u_int64_t)SBP_BIND_HI << 32) \
- | (((u) & 0x3fff) << 10) \
- | (((l) & 0xff) << 2))
-#define SBP_ADDR2UNIT(a) (((a) >> 10) & 0x3fff)
-#define SBP_ADDR2LUN(a) (((a) >> 2) & 0xff)
-#define SBP_INITIATOR 7
-
-static const char *orb_fun_name[] = {
- ORB_FUN_NAMES
-};
-
-static int debug = 0;
-static int auto_login = 1;
-static int max_speed = -1;
-static int sbp_cold = 1;
-static int ex_login = 1;
-static int login_delay = 1000; /* msec */
-static int scan_delay = 500; /* msec */
-static int use_doorbell = 0;
-static int sbp_tags = 0;
-
-#if defined(__FreeBSD__)
-SYSCTL_DECL(_hw_firewire);
-SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
-SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
- "SBP debug flag");
-SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
- "SBP perform login automatically");
-SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
- "SBP transfer max speed");
-SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
- &ex_login, 0, "SBP enable exclusive login");
-SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
- &login_delay, 0, "SBP login delay in msec");
-SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
- &scan_delay, 0, "SBP scan delay in msec");
-SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW,
- &use_doorbell, 0, "SBP use doorbell request");
-SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
- "SBP tagged queuing support");
-
-TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
-TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
-TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
-TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
-TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
-TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell);
-TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
-#elif defined(__NetBSD__)
-static int sysctl_sbp_verify(SYSCTLFN_PROTO, int lower, int upper);
-static int sysctl_sbp_verify_max_speed(SYSCTLFN_PROTO);
-static int sysctl_sbp_verify_tags(SYSCTLFN_PROTO);
-
-/*
- * Setup sysctl(3) MIB, hw.sbp.*
- *
- * TBD condition CTLFLAG_PERMANENT on being a module or not
- */
-SYSCTL_SETUP(sysctl_sbp, "sysctl sbp(4) subtree setup")
-{
- int rc, sbp_node_num;
- const struct sysctlnode *node;
-
- if ((rc = sysctl_createv(clog, 0, NULL, NULL,
- CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
- NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) {
- goto err;
- }
-
- if ((rc = sysctl_createv(clog, 0, NULL, &node,
- CTLFLAG_PERMANENT, CTLTYPE_NODE, "sbp",
- SYSCTL_DESCR("sbp controls"), NULL, 0, NULL,
- 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) {
- goto err;
- }
- sbp_node_num = node->sysctl_num;
-
- /* sbp auto login flag */
- if ((rc = sysctl_createv(clog, 0, NULL, &node,
- CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
- "auto_login", SYSCTL_DESCR("SBP perform login automatically"),
- NULL, 0, &auto_login,
- 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
- goto err;
- }
-
- /* sbp max speed */
- if ((rc = sysctl_createv(clog, 0, NULL, &node,
- CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
- "max_speed", SYSCTL_DESCR("SBP transfer max speed"),
- sysctl_sbp_verify_max_speed, 0, &max_speed,
- 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
- goto err;
- }
-
- /* sbp exclusive login flag */
- if ((rc = sysctl_createv(clog, 0, NULL, &node,
- CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
- "exclusive_login", SYSCTL_DESCR("SBP enable exclusive login"),
- NULL, 0, &ex_login,
- 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
- goto err;
- }
-
- /* sbp login delay */
- if ((rc = sysctl_createv(clog, 0, NULL, &node,
- CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
- "login_delay", SYSCTL_DESCR("SBP login delay in msec"),
- NULL, 0, &login_delay,
- 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
- goto err;
- }
-
- /* sbp scan delay */
- if ((rc = sysctl_createv(clog, 0, NULL, &node,
- CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
- "scan_delay", SYSCTL_DESCR("SBP scan delay in msec"),
- NULL, 0, &scan_delay,
- 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
- goto err;
- }
-
- /* sbp use doorbell flag */
- if ((rc = sysctl_createv(clog, 0, NULL, &node,
- CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
- "use_doorbell", SYSCTL_DESCR("SBP use doorbell request"),
- NULL, 0, &use_doorbell,
- 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
- goto err;
- }
-
- /* sbp force tagged queuing */
- if ((rc = sysctl_createv(clog, 0, NULL, &node,
- CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
- "tags", SYSCTL_DESCR("SBP tagged queuing support"),
- sysctl_sbp_verify_tags, 0, &sbp_tags,
- 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
- goto err;
- }
-
- /* sbp driver debug flag */
- if ((rc = sysctl_createv(clog, 0, NULL, &node,
- CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
- "sbp_debug", SYSCTL_DESCR("SBP debug flag"),
- NULL, 0, &debug,
- 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
- goto err;
- }
-
- return;
-
-err:
- printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
-}
-
-static int
-sysctl_sbp_verify(SYSCTLFN_ARGS, int lower, int upper)
-{
- int error, t;
- struct sysctlnode node;
-
- node = *rnode;
- t = *(int*)rnode->sysctl_data;
- node.sysctl_data = &t;
- error = sysctl_lookup(SYSCTLFN_CALL(&node));
- if (error || newp == NULL)
- return (error);
-
- if (t < lower || t > upper)
- return (EINVAL);
-
- *(int*)rnode->sysctl_data = t;
-
- return (0);
-}
-
-static int
-sysctl_sbp_verify_max_speed(SYSCTLFN_ARGS)
-{
- return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), 0, FWSPD_S400));
-}
-
-static int
-sysctl_sbp_verify_tags(SYSCTLFN_ARGS)
-{
- return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), -1, 1));
-}
-#endif
-
-#define NEED_RESPONSE 0
-
-#define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
-#ifdef __sparc64__ /* iommu */
-#define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
-#else
-#define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
-#endif
-struct sbp_ocb {
- STAILQ_ENTRY(sbp_ocb) ocb;
- sbp_scsi_xfer *sxfer;
- bus_addr_t bus_addr;
- uint32_t orb[8];
-#define IND_PTR_OFFSET (8*sizeof(uint32_t))
- struct ind_ptr ind_ptr[SBP_IND_MAX];
- struct sbp_dev *sdev;
- int flags; /* XXX should be removed */
- bus_dmamap_t dmamap;
-};
-
-#define OCB_ACT_MGM 0
-#define OCB_ACT_CMD 1
-#define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
-
-struct sbp_dev{
-#define SBP_DEV_RESET 0 /* accept login */
-#define SBP_DEV_LOGIN 1 /* to login */
-#if 0
-#define SBP_DEV_RECONN 2 /* to reconnect */
-#endif
-#define SBP_DEV_TOATTACH 3 /* to attach */
-#define SBP_DEV_PROBE 4 /* scan lun */
-#define SBP_DEV_ATTACHED 5 /* in operation */
-#define SBP_DEV_DEAD 6 /* unavailable unit */
-#define SBP_DEV_RETRY 7 /* unavailable unit */
- uint8_t status:4,
- timeout:4;
- uint8_t type;
- uint16_t lun_id;
- uint16_t freeze;
-#define ORB_LINK_DEAD (1 << 0)
-#define VALID_LUN (1 << 1)
-#define ORB_POINTER_ACTIVE (1 << 2)
-#define ORB_POINTER_NEED (1 << 3)
-#define ORB_DOORBELL_ACTIVE (1 << 4)
-#define ORB_DOORBELL_NEED (1 << 5)
-#define ORB_SHORTAGE (1 << 6)
- uint16_t flags;
-#if defined(__FreeBSD__)
- struct cam_path *path;
-#elif defined(__NetBSD__)
- struct scsipi_periph *periph;
-#endif
- struct sbp_target *target;
- struct fwdma_alloc dma;
- struct sbp_login_res *login;
- struct callout login_callout;
- struct sbp_ocb *ocb;
- STAILQ_HEAD(, sbp_ocb) ocbs;
- STAILQ_HEAD(, sbp_ocb) free_ocbs;
- struct sbp_ocb *last_ocb;
- char vendor[32];
- char product[32];
- char revision[10];
-};
-
-struct sbp_target {
- int target_id;
- int num_lun;
- struct sbp_dev **luns;
- struct sbp_softc *sbp;
- struct fw_device *fwdev;
- uint32_t mgm_hi, mgm_lo;
- struct sbp_ocb *mgm_ocb_cur;
- STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
- struct callout mgm_ocb_timeout;
- struct callout scan_callout;
- STAILQ_HEAD(, fw_xfer) xferlist;
- int n_xfer;
-};
-
-struct sbp_softc {
- struct firewire_dev_comm fd;
-#if defined(__FreeBSD__)
- struct cam_sim *sim;
- struct cam_path *path;
-#elif defined(__NetBSD__)
- struct scsipi_adapter sc_adapter;
- struct scsipi_channel sc_channel;
- device_t sc_bus;
- struct lwp *lwp;
-#endif
- struct sbp_target target;
- struct fw_bind fwb;
- fw_bus_dma_tag_t dmat;
- struct timeval last_busreset;
-#define SIMQ_FREEZED 1
- int flags;
- fw_mtx_t mtx;
-};
-#define SBP_LOCK(sbp) fw_mtx_lock(&(sbp)->mtx)
-#define SBP_UNLOCK(sbp) fw_mtx_unlock(&(sbp)->mtx)
-
-#if defined(__NetBSD__)
-int sbpmatch (device_t, struct cfdata *, void *);
-void sbpattach (device_t parent, device_t self, void *aux);
-int sbpdetach (device_t self, int flags);
-#endif
-static void sbp_post_explore (void *);
-static void sbp_recv (struct fw_xfer *);
-static void sbp_mgm_callback (struct fw_xfer *);
-#if 0
-static void sbp_cmd_callback (struct fw_xfer *);
-#endif
-static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
-static void sbp_doorbell(struct sbp_dev *);
-static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
-static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
-static void sbp_abort_ocb (struct sbp_ocb *, int);
-static void sbp_abort_all_ocbs (struct sbp_dev *, int);
-static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
-static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
-static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
-static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
-static void sbp_free_sdev(struct sbp_dev *);
-static void sbp_free_target (struct sbp_target *);
-static void sbp_mgm_timeout (void *arg);
-static void sbp_timeout (void *arg);
-static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
-#if defined(__FreeBSD__)
-
-MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
-#elif defined(__NetBSD__)
-static void sbp_scsipi_request(
- struct scsipi_channel *, scsipi_adapter_req_t, void *);
-static void sbp_minphys(struct buf *);
-
-MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/IEEE1394");
-#endif
-
-#if defined(__FreeBSD__)
-/* cam related functions */
-static void sbp_action(struct cam_sim *, sbp_scsi_xfer *sxfer);
-static void sbp_poll(struct cam_sim *);
-static void sbp_cam_scan_lun(struct cam_periph *, sbp_scsi_xfer *);
-static void sbp_cam_scan_target(void *);
-static void sbp_cam_detach_sdev(struct sbp_dev *);
-static void sbp_cam_detach_target (struct sbp_target *);
-#define SBP_DETACH_SDEV(sd) sbp_cam_detach_sdev((sd))
-#define SBP_DETACH_TARGET(st) sbp_cam_detach_target((st))
-#elif defined(__NetBSD__)
-/* scsipi related functions */
-static void sbp_scsipi_scan_target(void *);
-static void sbp_scsipi_detach_sdev(struct sbp_dev *);
-static void sbp_scsipi_detach_target (struct sbp_target *);
-#define SBP_DETACH_SDEV(sd) sbp_scsipi_detach_sdev((sd))
-#define SBP_DETACH_TARGET(st) sbp_scsipi_detach_target((st))
-#endif
-
-static const char *orb_status0[] = {
- /* 0 */ "No additional information to report",
- /* 1 */ "Request type not supported",
- /* 2 */ "Speed not supported",
- /* 3 */ "Page size not supported",
- /* 4 */ "Access denied",
- /* 5 */ "Logical unit not supported",
- /* 6 */ "Maximum payload too small",
- /* 7 */ "Reserved for future standardization",
- /* 8 */ "Resources unavailable",
- /* 9 */ "Function rejected",
- /* A */ "Login ID not recognized",
- /* B */ "Dummy ORB completed",
- /* C */ "Request aborted",
- /* FF */ "Unspecified error"
-#define MAX_ORB_STATUS0 0xd
-};
-
-static const char *orb_status1_object[] = {
- /* 0 */ "Operation request block (ORB)",
- /* 1 */ "Data buffer",
- /* 2 */ "Page table",
- /* 3 */ "Unable to specify"
-};
-
-static const char *orb_status1_serial_bus_error[] = {
- /* 0 */ "Missing acknowledge",
- /* 1 */ "Reserved; not to be used",
- /* 2 */ "Time-out error",
- /* 3 */ "Reserved; not to be used",
- /* 4 */ "Busy retry limit exceeded(X)",
- /* 5 */ "Busy retry limit exceeded(A)",
- /* 6 */ "Busy retry limit exceeded(B)",
- /* 7 */ "Reserved for future standardization",
- /* 8 */ "Reserved for future standardization",
- /* 9 */ "Reserved for future standardization",
- /* A */ "Reserved for future standardization",
- /* B */ "Tardy retry limit exceeded",
- /* C */ "Conflict error",
- /* D */ "Data error",
- /* E */ "Type error",
- /* F */ "Address error"
-};
-
-#if defined(__FreeBSD__)
-#if 0
-static void
-sbp_identify(driver_t *driver, device_t parent)
-{
- device_t child;
-SBP_DEBUG(0)
- printf("sbp_identify\n");
-END_DEBUG
-
- child = BUS_ADD_CHILD(parent, 0, "sbp", fw_get_unit(parent));
-}
-#endif
-
-/*
- * sbp_probe()
- */
-static int
-sbp_probe(device_t dev)
-{
- device_t pa;
-
-SBP_DEBUG(0)
- printf("sbp_probe\n");
-END_DEBUG
-
- pa = device_get_parent(dev);
- if(fw_get_unit(dev) != fw_get_unit(pa)){
- return(ENXIO);
- }
-
- device_set_desc(dev, "SBP-2/SCSI over FireWire");
-
-#if 0
- if (bootverbose)
- debug = bootverbose;
-#endif
-
- return (0);
-}
-#elif defined(__NetBSD__)
-int
-sbpmatch(device_t parent, struct cfdata *cf, void *aux)
-{
- struct fw_attach_args *fwa = aux;
-
- if (strcmp(fwa->name, "sbp") == 0)
- return 1;
- return 0;
-}
-#endif
-
-static void
-sbp_show_sdev_info(struct sbp_dev *sdev, int new)
-{
- struct fw_device *fwdev;
-
- printf("%s:%d:%d ",
- fw_get_nameunit(sdev->target->sbp->fd.dev),
- sdev->target->target_id,
- sdev->lun_id
- );
- if (new == 2) {
- return;
- }
- fwdev = sdev->target->fwdev;
- printf("ordered:%d type:%d EUI:%08x%08x node:%d "
- "speed:%d maxrec:%d",
- (sdev->type & 0x40) >> 6,
- (sdev->type & 0x1f),
- fwdev->eui.hi,
- fwdev->eui.lo,
- fwdev->dst,
- fwdev->speed,
- fwdev->maxrec
- );
- if (new)
- printf(" new!\n");
- else
- printf("\n");
- sbp_show_sdev_info(sdev, 2);
- printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
-}
-
-static void
-sbp_alloc_lun(struct sbp_target *target)
-{
- struct crom_context cc;
- struct csrreg *reg;
- struct sbp_dev *sdev, **newluns;
- struct sbp_softc *sbp;
- int maxlun, lun, i;
-
- sbp = target->sbp;
- crom_init_context(&cc, target->fwdev->csrrom);
- /* XXX shoud parse appropriate unit directories only */
- maxlun = -1;
- while (cc.depth >= 0) {
- reg = crom_search_key(&cc, CROM_LUN);
- if (reg == NULL)
- break;
- lun = reg->val & 0xffff;
-SBP_DEBUG(0)
- printf("target %d lun %d found\n", target->target_id, lun);
-END_DEBUG
- if (maxlun < lun)
- maxlun = lun;
- crom_next(&cc);
- }
- if (maxlun < 0)
- printf("%s:%d no LUN found\n",
- fw_get_nameunit(target->sbp->fd.dev),
- target->target_id);
-
- maxlun ++;
- if (maxlun >= SBP_NUM_LUNS)
- maxlun = SBP_NUM_LUNS;
-
- /* Invalidiate stale devices */
- for (lun = 0; lun < target->num_lun; lun ++) {
- sdev = target->luns[lun];
- if (sdev == NULL)
- continue;
- sdev->flags &= ~VALID_LUN;
- if (lun >= maxlun) {
- /* lost device */
- SBP_DETACH_SDEV(sdev);
- sbp_free_sdev(sdev);
- }
- }
-
- /* Reallocate */
- if (maxlun != target->num_lun) {
- newluns = (struct sbp_dev **) realloc(target->luns,
- sizeof(struct sbp_dev *) * maxlun,
- M_SBP, M_NOWAIT | M_ZERO);
-
- if (newluns == NULL) {
- printf("%s: realloc failed\n", __func__);
- newluns = target->luns;
- maxlun = target->num_lun;
- }
-
- /*
- * We must zero the extended region for the case
- * realloc() doesn't allocate new buffer.
- */
- if (maxlun > target->num_lun)
- bzero(&newluns[target->num_lun],
- sizeof(struct sbp_dev *) *
- (maxlun - target->num_lun));
-
- target->luns = newluns;
- target->num_lun = maxlun;
- }
-
- crom_init_context(&cc, target->fwdev->csrrom);
- while (cc.depth >= 0) {
- int new = 0;
-
- reg = crom_search_key(&cc, CROM_LUN);
- if (reg == NULL)
- break;
- lun = reg->val & 0xffff;
- if (lun >= SBP_NUM_LUNS) {
- printf("too large lun %d\n", lun);
- goto next;
- }
-
- sdev = target->luns[lun];
- if (sdev == NULL) {
- sdev = malloc(sizeof(struct sbp_dev),
- M_SBP, M_NOWAIT | M_ZERO);
- if (sdev == NULL) {
- printf("%s: malloc failed\n", __func__);
- goto next;
- }
- target->luns[lun] = sdev;
- sdev->lun_id = lun;
- sdev->target = target;
- STAILQ_INIT(&sdev->ocbs);
- fw_callout_init(&sdev->login_callout);
- sdev->status = SBP_DEV_RESET;
- new = 1;
- SBP_DEVICE_PREATTACH();
- }
- sdev->flags |= VALID_LUN;
- sdev->type = (reg->val & 0xff0000) >> 16;
-
- if (new == 0)
- goto next;
-
- fwdma_malloc(sbp->fd.fc,
- /* alignment */ sizeof(uint32_t),
- SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
- if (sdev->dma.v_addr == NULL) {
- printf("%s: dma space allocation failed\n",
- __func__);
- free(sdev, M_SBP);
- target->luns[lun] = NULL;
- goto next;
- }
- sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
- sdev->ocb = (struct sbp_ocb *)
- ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
- bzero((char *)sdev->ocb,
- sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
-
- STAILQ_INIT(&sdev->free_ocbs);
- for (i = 0; i < SBP_QUEUE_LEN; i++) {
- struct sbp_ocb *ocb;
- ocb = &sdev->ocb[i];
- ocb->bus_addr = sdev->dma.bus_addr
- + SBP_LOGIN_SIZE
- + sizeof(struct sbp_ocb) * i
- + offsetof(struct sbp_ocb, orb[0]);
- if (fw_bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
- printf("sbp_attach: cannot create dmamap\n");
- /* XXX */
- goto next;
- }
- sbp_free_ocb(sdev, ocb);
- }
-next:
- crom_next(&cc);
- }
-
- for (lun = 0; lun < target->num_lun; lun ++) {
- sdev = target->luns[lun];
- if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
- SBP_DETACH_SDEV(sdev);
- sbp_free_sdev(sdev);
- target->luns[lun] = NULL;
- }
- }
-}
-
-static struct sbp_target *
-sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
-{
- struct sbp_target *target;
- struct crom_context cc;
- struct csrreg *reg;
-
-SBP_DEBUG(1)
- printf("sbp_alloc_target\n");
-END_DEBUG
- /* new target */
- target = &sbp->target;
- target->sbp = sbp;
- target->fwdev = fwdev;
- target->target_id = 0;
- /* XXX we may want to reload mgm port after each bus reset */
- /* XXX there might be multiple management agents */
- crom_init_context(&cc, target->fwdev->csrrom);
- reg = crom_search_key(&cc, CROM_MGM);
- if (reg == NULL || reg->val == 0) {
- printf("NULL management address\n");
- target->fwdev = NULL;
- return NULL;
- }
- target->mgm_hi = 0xffff;
- target->mgm_lo = 0xf0000000 | (reg->val << 2);
- target->mgm_ocb_cur = NULL;
-SBP_DEBUG(1)
- printf("target: mgm_port: %x\n", target->mgm_lo);
-END_DEBUG
- STAILQ_INIT(&target->xferlist);
- target->n_xfer = 0;
- STAILQ_INIT(&target->mgm_ocb_queue);
- fw_callout_init(&target->mgm_ocb_timeout);
- fw_callout_init(&target->scan_callout);
-
- target->luns = NULL;
- target->num_lun = 0;
- return target;
-}
-
-static void
-sbp_probe_lun(struct sbp_dev *sdev)
-{
- struct fw_device *fwdev;
- struct crom_context c, *cc = &c;
- struct csrreg *reg;
-
- bzero(sdev->vendor, sizeof(sdev->vendor));
- bzero(sdev->product, sizeof(sdev->product));
-
- fwdev = sdev->target->fwdev;
- crom_init_context(cc, fwdev->csrrom);
- /* get vendor string */
- crom_search_key(cc, CSRKEY_VENDOR);
- crom_next(cc);
- crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
- /* skip to the unit directory for SBP-2 */
- while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
- if (reg->val == CSRVAL_T10SBP2)
- break;
- crom_next(cc);
- }
- /* get firmware revision */
- reg = crom_search_key(cc, CSRKEY_FIRM_VER);
- if (reg != NULL)
- snprintf(sdev->revision, sizeof(sdev->revision),
- "%06x", reg->val);
- /* get product string */
- crom_search_key(cc, CSRKEY_MODEL);
- crom_next(cc);
- crom_parse_text(cc, sdev->product, sizeof(sdev->product));
-}
-
-static void
-sbp_login_callout(void *arg)
-{
- struct sbp_dev *sdev = (struct sbp_dev *)arg;
- sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
-}
-
-static void
-sbp_login(struct sbp_dev *sdev)
-{
- struct timeval delta;
- struct timeval t;
- int ticks = 0;
-
- microtime(&delta);
- fw_timevalsub(&delta, &sdev->target->sbp->last_busreset);
- t.tv_sec = login_delay / 1000;
- t.tv_usec = (login_delay % 1000) * 1000;
- fw_timevalsub(&t, &delta);
- if (t.tv_sec >= 0 && t.tv_usec > 0)
- ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
-SBP_DEBUG(0)
- printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__,
- (intmax_t)t.tv_sec, t.tv_usec, ticks);
-END_DEBUG
- fw_callout_reset(&sdev->login_callout, ticks,
- sbp_login_callout, (void *)(sdev));
-}
-
-static void
-sbp_probe_target(void *arg)
-{
- struct sbp_target *target = (struct sbp_target *)arg;
- struct sbp_softc *sbp;
- struct sbp_dev *sdev;
- struct firewire_comm *fc;
- int i;
-
-SBP_DEBUG(1)
- printf("sbp_probe_target %d\n", target->target_id);
-END_DEBUG
-
- sbp = target->sbp;
- fc = target->sbp->fd.fc;
- sbp_alloc_lun(target);
-
- /* XXX untimeout mgm_ocb and dequeue */
- for (i=0; i < target->num_lun; i++) {
- sdev = target->luns[i];
- if (sdev == NULL)
- continue;
- if (sdev->status != SBP_DEV_DEAD) {
- if (SBP_DEVICE(sdev) != NULL) {
- SBP_LOCK(sbp);
- SBP_DEVICE_FREEZE(sdev, 1);
- sdev->freeze ++;
- SBP_UNLOCK(sbp);
- }
- sbp_probe_lun(sdev);
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev,
- (sdev->status == SBP_DEV_RESET));
-END_DEBUG
-
- sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET);
- switch (sdev->status) {
- case SBP_DEV_RESET:
- /* new or revived target */
- if (auto_login)
- sbp_login(sdev);
- break;
- case SBP_DEV_TOATTACH:
- case SBP_DEV_PROBE:
- case SBP_DEV_ATTACHED:
- case SBP_DEV_RETRY:
- default:
- sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
- break;
- }
- } else {
- switch (sdev->status) {
- case SBP_DEV_ATTACHED:
-SBP_DEBUG(0)
- /* the device has gone */
- sbp_show_sdev_info(sdev, 2);
- printf("lost target\n");
-END_DEBUG
- if (SBP_DEVICE(sdev) != NULL) {
- SBP_LOCK(sbp);
- SBP_DEVICE_FREEZE(sdev, 1);
- sdev->freeze ++;
- SBP_UNLOCK(sbp);
- }
- sdev->status = SBP_DEV_RETRY;
- sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET);
- break;
- case SBP_DEV_PROBE:
- case SBP_DEV_TOATTACH:
- sdev->status = SBP_DEV_RESET;
- break;
- case SBP_DEV_RETRY:
- case SBP_DEV_RESET:
- case SBP_DEV_DEAD:
- break;
- }
- }
- }
-}
-
-#define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
- && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
-
-static void
-sbp_post_busreset(void *arg)
-{
- struct sbp_softc *sbp = (struct sbp_softc *)arg;
- struct sbp_target *target = &sbp->target;
- struct fw_device *fwdev = target->fwdev;
- int alive;
-
- alive = SBP_FWDEV_ALIVE(fwdev);
-SBP_DEBUG(0)
- printf("sbp_post_busreset\n");
- if (!alive)
- printf("not alive\n");
-END_DEBUG
- microtime(&sbp->last_busreset);
-
- if (!alive)
- return;
-
- SBP_LOCK(sbp);
- SBP_BUS_FREEZE(sbp);
- SBP_UNLOCK(sbp);
-}
-
-static void
-sbp_post_explore(void *arg)
-{
- struct sbp_softc *sbp = (struct sbp_softc *)arg;
- struct sbp_target *target = &sbp->target;
- struct fw_device *fwdev = target->fwdev;
- int alive;
-
- alive = SBP_FWDEV_ALIVE(fwdev);
-SBP_DEBUG(0)
- printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
- if (!alive)
- printf("not alive\n");
-END_DEBUG
- if (!alive)
- return;
-
- if (sbp_cold > 0)
- sbp_cold --;
-
-#if 0
- /*
- * XXX don't let CAM the bus rest.
- * CAM tries to do something with freezed (DEV_RETRY) devices.
- */
- xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
-#endif
-
-SBP_DEBUG(0)
- printf("sbp_post_explore: EUI:%08x%08x ", fwdev->eui.hi, fwdev->eui.lo);
-END_DEBUG
- sbp_probe_target((void *)target);
- if (target->num_lun == 0)
- sbp_free_target(target);
-
- SBP_LOCK(sbp);
- SBP_BUS_THAW(sbp);
- SBP_UNLOCK(sbp);
-}
-
-#if NEED_RESPONSE
-static void
-sbp_loginres_callback(struct fw_xfer *xfer){
- int s;
- struct sbp_dev *sdev;
- sdev = (struct sbp_dev *)xfer->sc;
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_loginres_callback\n");
-END_DEBUG
- /* recycle */
- s = splfw();
- STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
- splx(s);
- return;
-}
-#endif
-
-static inline void
-sbp_xfer_free(struct fw_xfer *xfer)
-{
- struct sbp_dev *sdev;
- int s;
-
- sdev = (struct sbp_dev *)xfer->sc;
- fw_xfer_unload(xfer);
- s = splfw();
- SBP_LOCK(sdev->target->sbp);
- STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
- SBP_UNLOCK(sdev->target->sbp);
- splx(s);
-}
-
-static void
-sbp_reset_start_callback(struct fw_xfer *xfer)
-{
- struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
- struct sbp_target *target = sdev->target;
- int i;
-
- if (xfer->resp != 0) {
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_reset_start failed: resp=%d\n", xfer->resp);
- }
-
- for (i = 0; i < target->num_lun; i++) {
- tsdev = target->luns[i];
- if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
- sbp_login(tsdev);
- }
-}
-
-static void
-sbp_reset_start(struct sbp_dev *sdev)
-{
- struct fw_xfer *xfer;
- struct fw_pkt *fp;
-
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_reset_start\n");
-END_DEBUG
-
- xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
- xfer->hand = sbp_reset_start_callback;
- fp = &xfer->send.hdr;
- fp->mode.wreqq.dest_hi = 0xffff;
- fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
- fp->mode.wreqq.data = htonl(0xf);
- fw_asyreq(xfer->fc, -1, xfer);
-}
-
-static void
-sbp_mgm_callback(struct fw_xfer *xfer)
-{
- struct sbp_dev *sdev;
- int resp;
-
- sdev = (struct sbp_dev *)xfer->sc;
-
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_mgm_callback\n");
-END_DEBUG
- resp = xfer->resp;
- sbp_xfer_free(xfer);
-#if 0
- if (resp != 0) {
- sbp_show_sdev_info(sdev, 2);
- printf("management ORB failed(%d) ... RESET_START\n", resp);
- sbp_reset_start(sdev);
- }
-#endif
- return;
-}
-
-#if defined(__FreeBSD__)
-static struct sbp_dev *
-sbp_next_dev(struct sbp_target *target, int lun)
-{
- struct sbp_dev **sdevp;
- int i;
-
- for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
- i++, sdevp++)
- if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
- return(*sdevp);
- return(NULL);
-}
-
-#define SCAN_PRI 1
-static void
-sbp_cam_scan_lun(struct cam_periph *periph, sbp_scsi_xfer *sxfer)
-{
- struct sbp_target *target;
- struct sbp_dev *sdev;
-
- sdev = (struct sbp_dev *) sxfer->ccb_h.ccb_sdev_ptr;
- target = sdev->target;
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_cam_scan_lun\n");
-END_DEBUG
- if ((SCSI_XFER_ERROR(sxfer) & CAM_STATUS_MASK) == XS_REQ_CMP) {
- sdev->status = SBP_DEV_ATTACHED;
- } else {
- sbp_show_sdev_info(sdev, 2);
- printf("scan failed\n");
- }
- sdev = sbp_next_dev(target, sdev->lun_id + 1);
- if (sdev == NULL) {
- free(sxfer, M_SBP);
- return;
- }
- /* reuse sxfer */
- xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI);
- sxfer->ccb_h.ccb_sdev_ptr = sdev;
- xpt_action(sxfer);
- xpt_release_devq(sdev->path, sdev->freeze, TRUE);
- sdev->freeze = 1;
-}
-
-static void
-sbp_cam_scan_target(void *arg)
-{
- struct sbp_target *target = (struct sbp_target *)arg;
- struct sbp_dev *sdev;
- sbp_scsi_xfer *sxfer;
-
- sdev = sbp_next_dev(target, 0);
- if (sdev == NULL) {
- printf("sbp_cam_scan_target: nothing to do for target%d\n",
- target->target_id);
- return;
- }
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_cam_scan_target\n");
-END_DEBUG
- sxfer = malloc(sizeof(sbp_scsi_xfer), M_SBP, M_NOWAIT | M_ZERO);
- if (sxfer == NULL) {
- printf("sbp_cam_scan_target: malloc failed\n");
- return;
- }
- xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI);
- sxfer->ccb_h.func_code = XPT_SCAN_LUN;
- sxfer->ccb_h.cbfcnp = sbp_cam_scan_lun;
- sxfer->ccb_h.flags |= CAM_DEV_QFREEZE;
- sxfer->crcn.flags = CAM_FLAG_NONE;
- sxfer->ccb_h.ccb_sdev_ptr = sdev;
-
- /* The scan is in progress now. */
- SBP_LOCK(target->sbp);
- xpt_action(sxfer);
- xpt_release_devq(sdev->path, sdev->freeze, TRUE);
- sdev->freeze = 1;
- SBP_UNLOCK(target->sbp);
-}
-
-static inline void
-sbp_scan_dev(struct sbp_dev *sdev)
-{
- sdev->status = SBP_DEV_PROBE;
- fw_callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
- sbp_cam_scan_target, (void *)sdev->target);
-}
-#elif defined(__NetBSD__)
-static void
-sbp_scsipi_scan_target(void *arg)
-{
- struct sbp_target *target = (struct sbp_target *)arg;
- struct sbp_softc *sbp = target->sbp;
- struct sbp_dev *sdev;
- struct scsipi_channel *chan = &sbp->sc_channel;
- struct scsibus_softc *sc_bus = device_private(sbp->sc_bus);
- int lun, yet;
-
- do {
- tsleep(target, PWAIT|PCATCH, "-", 0);
- yet = 0;
-
- for (lun = 0; lun < target->num_lun; lun ++) {
- sdev = target->luns[lun];
- if (sdev == NULL)
- continue;
- if (sdev->status != SBP_DEV_PROBE) {
- yet ++;
- continue;
- }
-
- if (sdev->periph == NULL) {
- if (chan->chan_nluns < target->num_lun)
- chan->chan_nluns = target->num_lun;
-
- scsi_probe_bus(sc_bus,
- target->target_id, sdev->lun_id);
- sdev->periph = scsipi_lookup_periph(
- chan, target->target_id, lun);
- }
- sdev->status = SBP_DEV_ATTACHED;
- }
- } while (yet > 0);
-
- sbp->lwp = NULL;
- kthread_exit(0);
-}
-
-static inline void
-sbp_scan_dev(struct sbp_dev *sdev)
-{
- sdev->status = SBP_DEV_PROBE;
- wakeup(sdev->target);
-}
-#endif
-
-
-static void
-sbp_do_attach(struct fw_xfer *xfer)
-{
- struct sbp_dev *sdev;
- struct sbp_target *target;
- struct sbp_softc *sbp;
-
- sdev = (struct sbp_dev *)xfer->sc;
- target = sdev->target;
- sbp = target->sbp;
-
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_do_attach\n");
-END_DEBUG
- sbp_xfer_free(xfer);
-
-#if defined(__FreeBSD__)
- if (sdev->path == NULL)
- xpt_create_path(&sdev->path, xpt_periph,
- cam_sim_path(target->sbp->sim),
- target->target_id, sdev->lun_id);
-
- /*
- * Let CAM scan the bus if we are in the boot process.
- * XXX xpt_scan_bus cannot detect LUN larger than 0
- * if LUN 0 doesn't exists.
- */
- if (sbp_cold > 0) {
- sdev->status = SBP_DEV_ATTACHED;
- return;
- }
-#endif
-
- sbp_scan_dev(sdev);
- return;
-}
-
-static void
-sbp_agent_reset_callback(struct fw_xfer *xfer)
-{
- struct sbp_dev *sdev;
-
- sdev = (struct sbp_dev *)xfer->sc;
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
- printf("%s\n", __func__);
-END_DEBUG
- if (xfer->resp != 0) {
- sbp_show_sdev_info(sdev, 2);
- printf("%s: resp=%d\n", __func__, xfer->resp);
- }
-
- sbp_xfer_free(xfer);
- if (SBP_DEVICE(sdev)) {
- SBP_LOCK(sdev->target->sbp);
- SBP_DEVICE_THAW(sdev, sdev->freeze);
- sdev->freeze = 0;
- SBP_UNLOCK(sdev->target->sbp);
- }
-}
-
-static void
-sbp_agent_reset(struct sbp_dev *sdev)
-{
- struct fw_xfer *xfer;
- struct fw_pkt *fp;
-
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_agent_reset\n");
-END_DEBUG
- xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
- if (xfer == NULL)
- return;
- if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
- xfer->hand = sbp_agent_reset_callback;
- else
- xfer->hand = sbp_do_attach;
- fp = &xfer->send.hdr;
- fp->mode.wreqq.data = htonl(0xf);
- fw_asyreq(xfer->fc, -1, xfer);
- sbp_abort_all_ocbs(sdev, XS_BDR_SENT);
-}
-
-static void
-sbp_busy_timeout_callback(struct fw_xfer *xfer)
-{
- struct sbp_dev *sdev;
-
- sdev = (struct sbp_dev *)xfer->sc;
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_busy_timeout_callback\n");
-END_DEBUG
- sbp_xfer_free(xfer);
- sbp_agent_reset(sdev);
-}
-
-static void
-sbp_busy_timeout(struct sbp_dev *sdev)
-{
- struct fw_pkt *fp;
- struct fw_xfer *xfer;
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_busy_timeout\n");
-END_DEBUG
- xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
-
- xfer->hand = sbp_busy_timeout_callback;
- fp = &xfer->send.hdr;
- fp->mode.wreqq.dest_hi = 0xffff;
- fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
- fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
- fw_asyreq(xfer->fc, -1, xfer);
-}
-
-static void
-sbp_orb_pointer_callback(struct fw_xfer *xfer)
-{
- struct sbp_dev *sdev;
- sdev = (struct sbp_dev *)xfer->sc;
-
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
- printf("%s\n", __func__);
-END_DEBUG
- if (xfer->resp != 0) {
- /* XXX */
- printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
- }
- sbp_xfer_free(xfer);
- sdev->flags &= ~ORB_POINTER_ACTIVE;
-
- if ((sdev->flags & ORB_POINTER_NEED) != 0) {
- struct sbp_ocb *ocb;
-
- sdev->flags &= ~ORB_POINTER_NEED;
- ocb = STAILQ_FIRST(&sdev->ocbs);
- if (ocb != NULL)
- sbp_orb_pointer(sdev, ocb);
- }
- return;
-}
-
-static void
-sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
-{
- struct fw_xfer *xfer;
- struct fw_pkt *fp;
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
- printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr);
-END_DEBUG
-
- if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
-SBP_DEBUG(0)
- printf("%s: orb pointer active\n", __func__);
-END_DEBUG
- sdev->flags |= ORB_POINTER_NEED;
- return;
- }
-
- sdev->flags |= ORB_POINTER_ACTIVE;
- xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
- if (xfer == NULL)
- return;
- xfer->hand = sbp_orb_pointer_callback;
-
- fp = &xfer->send.hdr;
- fp->mode.wreqb.len = 8;
- fp->mode.wreqb.extcode = 0;
- xfer->send.payload[0] =
- htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
- xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
-
- if(fw_asyreq(xfer->fc, -1, xfer) != 0){
- sbp_xfer_free(xfer);
- SCSI_XFER_ERROR(ocb->sxfer) = XS_REQ_INVALID;
- SCSI_TRANSFER_DONE(ocb->sxfer);
- }
-}
-
-static void
-sbp_doorbell_callback(struct fw_xfer *xfer)
-{
- struct sbp_dev *sdev;
- sdev = (struct sbp_dev *)xfer->sc;
-
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_doorbell_callback\n");
-END_DEBUG
- if (xfer->resp != 0) {
- /* XXX */
- printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
- }
- sbp_xfer_free(xfer);
- sdev->flags &= ~ORB_DOORBELL_ACTIVE;
- if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
- sdev->flags &= ~ORB_DOORBELL_NEED;
- sbp_doorbell(sdev);
- }
- return;
-}
-
-static void
-sbp_doorbell(struct sbp_dev *sdev)
-{
- struct fw_xfer *xfer;
- struct fw_pkt *fp;
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_doorbell\n");
-END_DEBUG
-
- if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
- sdev->flags |= ORB_DOORBELL_NEED;
- return;
- }
- sdev->flags |= ORB_DOORBELL_ACTIVE;
- xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
- if (xfer == NULL)
- return;
- xfer->hand = sbp_doorbell_callback;
- fp = &xfer->send.hdr;
- fp->mode.wreqq.data = htonl(0xf);
- fw_asyreq(xfer->fc, -1, xfer);
-}
-
-static struct fw_xfer *
-sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
-{
- struct fw_xfer *xfer;
- struct fw_pkt *fp;
- struct sbp_target *target;
- int s, new = 0;
-
- target = sdev->target;
- s = splfw();
- xfer = STAILQ_FIRST(&target->xferlist);
- if (xfer == NULL) {
- if (target->n_xfer > 5 /* XXX */) {
- printf("sbp: no more xfer for this target\n");
- splx(s);
- return(NULL);
- }
- xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
- if(xfer == NULL){
- printf("sbp: fw_xfer_alloc_buf failed\n");
- splx(s);
- return NULL;
- }
- target->n_xfer ++;
- if (debug)
- printf("sbp: alloc %d xfer\n", target->n_xfer);
- new = 1;
- } else {
- STAILQ_REMOVE_HEAD(&target->xferlist, link);
- }
- splx(s);
-
- microtime(&xfer->tv);
-
- if (new) {
- xfer->recv.pay_len = 0;
- xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
- xfer->fc = sdev->target->sbp->fd.fc;
- }
-
- if (tcode == FWTCODE_WREQB)
- xfer->send.pay_len = 8;
- else
- xfer->send.pay_len = 0;
-
- xfer->sc = (void *)sdev;
- fp = &xfer->send.hdr;
- fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
- fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
- fp->mode.wreqq.tlrt = 0;
- fp->mode.wreqq.tcode = tcode;
- fp->mode.wreqq.pri = 0;
- fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
-
- return xfer;
-}
-
-static void
-sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
-{
- struct fw_xfer *xfer;
- struct fw_pkt *fp;
- struct sbp_ocb *ocb;
- struct sbp_target *target;
- int s, nid, dv_unit;
-
- target = sdev->target;
- nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
- dv_unit = fw_get_unit(target->sbp->fd.dev);
-
- s = splfw();
- SBP_LOCK(target->sbp);
- if (func == ORB_FUN_RUNQUEUE) {
- ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
- if (target->mgm_ocb_cur != NULL || ocb == NULL) {
- SBP_UNLOCK(target->sbp);
- splx(s);
- return;
- }
- STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
- SBP_UNLOCK(target->sbp);
- goto start;
- }
- if ((ocb = sbp_get_ocb(sdev)) == NULL) {
- SBP_UNLOCK(target->sbp);
- splx(s);
- /* XXX */
- return;
- }
- SBP_UNLOCK(target->sbp);
- ocb->flags = OCB_ACT_MGM;
- ocb->sdev = sdev;
-
- bzero((void *)ocb->orb, sizeof(ocb->orb));
- ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
- ocb->orb[7] = htonl(SBP_DEV2ADDR(dv_unit, sdev->lun_id));
-
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("%s\n", orb_fun_name[(func>>16)&0xf]);
-END_DEBUG
- switch (func) {
- case ORB_FUN_LGI:
- ocb->orb[0] = ocb->orb[1] = 0; /* password */
- ocb->orb[2] = htonl(nid << 16);
- ocb->orb[3] = htonl(sdev->dma.bus_addr);
- ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
- if (ex_login)
- ocb->orb[4] |= htonl(ORB_EXV);
- ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
- break;
- case ORB_FUN_ATA:
- ocb->orb[0] = htonl((0 << 16) | 0);
- ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
- /* fall through */
- case ORB_FUN_RCN:
- case ORB_FUN_LGO:
- case ORB_FUN_LUR:
- case ORB_FUN_RST:
- case ORB_FUN_ATS:
- ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
- break;
- }
-
- if (target->mgm_ocb_cur != NULL) {
- /* there is a standing ORB */
- SBP_LOCK(target->sbp);
- STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
- SBP_UNLOCK(target->sbp);
- splx(s);
- return;
- }
-start:
- target->mgm_ocb_cur = ocb;
- splx(s);
-
- fw_callout_reset(&target->mgm_ocb_timeout, 5*hz,
- sbp_mgm_timeout, (void *)ocb);
- xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
- if(xfer == NULL){
- return;
- }
- xfer->hand = sbp_mgm_callback;
-
- fp = &xfer->send.hdr;
- fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
- fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
- fp->mode.wreqb.len = 8;
- fp->mode.wreqb.extcode = 0;
- xfer->send.payload[0] = htonl(nid << 16);
- xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr);
-END_DEBUG
-
- /* cache writeback & invalidate(required ORB_FUN_LGI func) */
- /* when abort_ocb, should sync POST ope ? */
- fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
- fw_asyreq(xfer->fc, -1, xfer);
-}
-
-static void
-sbp_print_scsi_cmd(struct sbp_ocb *ocb)
-{
-#if defined(__FreeBSD__)
- struct ccb_scsiio *csio;
-
- csio = &ocb->sxfer->csio;
-#endif
- printf("%s:%d:%d XPT_SCSI_IO: "
- "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
- ", flags: 0x%02x, "
- "%db cmd/%db data/%db sense\n",
- fw_get_nameunit(ocb->sdev->target->sbp->fd.dev),
- SCSI_XFER_TARGET(ocb->sxfer), SCSI_XFER_LUN(ocb->sxfer),
- SCSI_XFER_10BCMD_DUMP(ocb->sxfer),
- SCSI_XFER_DIR(ocb->sxfer),
- SCSI_XFER_CMDLEN(ocb->sxfer), SCSI_XFER_DATALEN(ocb->sxfer),
- SCSI_XFER_SENSELEN(ocb->sxfer));
-}
-
-static void
-sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
-{
- struct sbp_cmd_status *sbp_cmd_status;
- scsi3_sense_data_t sense =
- (scsi3_sense_data_t)SCSI_SENSE_DATA(ocb->sxfer);
-
- sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
-
-SBP_DEBUG(0)
- sbp_print_scsi_cmd(ocb);
- /* XXX need decode status */
- sbp_show_sdev_info(ocb->sdev, 2);
- printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
- sbp_cmd_status->status,
- sbp_cmd_status->sfmt,
- sbp_cmd_status->valid,
- sbp_cmd_status->s_key,
- sbp_cmd_status->s_code,
- sbp_cmd_status->s_qlfr,
- sbp_status->len
- );
-END_DEBUG
-
- switch (sbp_cmd_status->status) {
- case SCSI_STATUS_CHECK_COND:
- case SCSI_STATUS_BUSY:
- case SCSI_STATUS_CMD_TERMINATED:
- if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
- sense->response_code = SSD_CURRENT_ERROR;
- }else{
- sense->response_code = SSD_DEFERRED_ERROR;
- }
- if(sbp_cmd_status->valid)
- sense->response_code |= SSD_RESPONSE_CODE_VALID;
- sense->flags = sbp_cmd_status->s_key;
- if(sbp_cmd_status->mark)
- sense->flags |= SSD_FILEMARK;
- if(sbp_cmd_status->eom)
- sense->flags |= SSD_EOM;
- if(sbp_cmd_status->ill_len)
- sense->flags |= SSD_ILI;
-
- bcopy(&sbp_cmd_status->info, &sense->information[0], 4);
-
- if (sbp_status->len <= 1)
- /* XXX not scsi status. shouldn't be happened */
- sense->asl = 0;
- else if (sbp_status->len <= 4)
- /* add_sense_code(_qual), info, cmd_spec_info */
- sense->asl = 6;
- else
- /* fru, sense_key_spec */
- sense->asl = 10;
-
- bcopy(&sbp_cmd_status->cdb, &sense->csi[0], 4);
-
- sense->asc = sbp_cmd_status->s_code;
- sense->ascq = sbp_cmd_status->s_qlfr;
- sense->fruc = sbp_cmd_status->fru;
-
- bcopy(&sbp_cmd_status->s_keydep[0], &sense->sks[0], 3);
- SCSI_XFER_ERROR(ocb->sxfer) = XS_SENSE;
- SCSI_XFER_STATUS(ocb->sxfer) = sbp_cmd_status->status;
-/*
-{
- uint8_t j, *tmp;
- tmp = sense;
- for( j = 0 ; j < 32 ; j+=8){
- printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
- tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
- tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
- }
-
-}
-*/
- break;
- default:
- sbp_show_sdev_info(ocb->sdev, 2);
- printf("sbp_scsi_status: unknown scsi status 0x%x\n",
- sbp_cmd_status->status);
- }
-}
-
-static void
-sbp_fix_inq_data(struct sbp_ocb *ocb)
-{
- sbp_scsi_xfer *sxfer = ocb->sxfer;
- struct sbp_dev *sdev;
- scsi3_inquiry_data_t inq =
- (scsi3_inquiry_data_t)SCSI_INQUIRY_DATA(sxfer);
- sdev = ocb->sdev;
-
- if (SCSI_XFER_EVPD(sxfer))
- return;
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
- printf("sbp_fix_inq_data\n");
-END_DEBUG
- switch (inq->device & SID_TYPE) {
- case T_DIRECT:
-#if 0
- /*
- * XXX Convert Direct Access device to RBC.
- * I've never seen FireWire DA devices which support READ_6.
- */
- if ((inq->device & SID_TYPE) == T_DIRECT)
- inq->device |= T_RBC; /* T_DIRECT == 0 */
-#endif
- /* fall through */
- case T_RBC:
- /*
- * Override vendor/product/revision information.
- * Some devices sometimes return strange strings.
- */
-#if 1
- bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
- bcopy(sdev->product, inq->product, sizeof(inq->product));
- bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
-#endif
- break;
- }
- /*
- * Force to enable/disable tagged queuing.
- * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
- */
- if (sbp_tags > 0)
- inq->flags[1] |= SID_CmdQue;
- else if (sbp_tags < 0)
- inq->flags[1] &= ~SID_CmdQue;
-
-}
-
-static void
-sbp_recv1(struct fw_xfer *xfer)
-{
- struct fw_pkt *rfp;
-#if NEED_RESPONSE
- struct fw_pkt *sfp;
-#endif
- struct sbp_softc *sbp;
- struct sbp_dev *sdev;
- struct sbp_ocb *ocb;
- struct sbp_login_res *login_res = NULL;
- struct sbp_status *sbp_status;
- struct sbp_target *target;
- int orb_fun, status_valid0, status_valid, l, reset_agent = 0;
- uint32_t addr;
-/*
- uint32_t *ld;
- ld = xfer->recv.buf;
-printf("sbp %x %d %d %08x %08x %08x %08x\n",
- xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
-printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
-printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
-*/
- sbp = (struct sbp_softc *)xfer->sc;
- if (xfer->resp != 0){
- printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
- goto done0;
- }
- if (xfer->recv.payload == NULL){
- printf("sbp_recv: xfer->recv.payload == NULL\n");
- goto done0;
- }
- rfp = &xfer->recv.hdr;
- if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
- printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
- goto done0;
- }
- sbp_status = (struct sbp_status *)xfer->recv.payload;
- addr = rfp->mode.wreqb.dest_lo;
-SBP_DEBUG(2)
- printf("received address 0x%x\n", addr);
-END_DEBUG
- target = &sbp->target;
- l = SBP_ADDR2LUN(addr);
- if (l >= target->num_lun || target->luns[l] == NULL) {
- fw_printf(sbp->fd.dev,
- "sbp_recv1: invalid lun %d (target=%d)\n",
- l, target->target_id);
- goto done0;
- }
- sdev = target->luns[l];
-
- fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
-
- ocb = NULL;
- switch (sbp_status->src) {
- case SRC_NEXT_EXISTS:
- case SRC_NO_NEXT:
- /* check mgm_ocb_cur first */
- ocb = target->mgm_ocb_cur;
- if (ocb != NULL) {
- if (OCB_MATCH(ocb, sbp_status)) {
- fw_callout_stop(&target->mgm_ocb_timeout);
- target->mgm_ocb_cur = NULL;
- break;
- }
- }
- ocb = sbp_dequeue_ocb(sdev, sbp_status);
- if (ocb == NULL) {
- sbp_show_sdev_info(sdev, 2);
-#if defined(__DragonFly__) || \
- (defined(__FreeBSD__) && __FreeBSD_version < 500000)
- printf("No ocb(%lx) on the queue\n",
-#else
- printf("No ocb(%x) on the queue\n",
-#endif
- ntohl(sbp_status->orb_lo));
- }
- break;
- case SRC_UNSOL:
- /* unsolicit */
- sbp_show_sdev_info(sdev, 2);
- printf("unsolicit status received\n");
- break;
- default:
- sbp_show_sdev_info(sdev, 2);
- printf("unknown sbp_status->src\n");
- }
-
- status_valid0 = (sbp_status->src < 2
- && sbp_status->resp == SBP_REQ_CMP
- && sbp_status->dead == 0);
- status_valid = (status_valid0 && sbp_status->status == 0);
-
- if (!status_valid0 || debug > 2){
- int status;
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("ORB status src:%x resp:%x dead:%x"
-#if defined(__DragonFly__) || \
- (defined(__FreeBSD__) && __FreeBSD_version < 500000)
- " len:%x stat:%x orb:%x%08lx\n",
-#else
- " len:%x stat:%x orb:%x%08x\n",
-#endif
- sbp_status->src, sbp_status->resp, sbp_status->dead,
- sbp_status->len, sbp_status->status,
- ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
-END_DEBUG
- sbp_show_sdev_info(sdev, 2);
- status = sbp_status->status;
- switch(sbp_status->resp) {
- case SBP_REQ_CMP:
- if (status > MAX_ORB_STATUS0)
- printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
- else
- printf("%s\n", orb_status0[status]);
- break;
- case SBP_TRANS_FAIL:
- printf("Obj: %s, Error: %s\n",
- orb_status1_object[(status>>6) & 3],
- orb_status1_serial_bus_error[status & 0xf]);
- break;
- case SBP_ILLE_REQ:
- printf("Illegal request\n");
- break;
- case SBP_VEND_DEP:
- printf("Vendor dependent\n");
- break;
- default:
- printf("unknown respose code %d\n", sbp_status->resp);
- }
- }
-
- /* we have to reset the fetch agent if it's dead */
- if (sbp_status->dead) {
- if (SBP_DEVICE(sdev) != NULL) {
- SBP_LOCK(sbp);
- SBP_DEVICE_FREEZE(sdev, 1);
- sdev->freeze ++;
- SBP_UNLOCK(sbp);
- }
- reset_agent = 1;
- }
-
- if (ocb == NULL)
- goto done;
-
- switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
- case ORB_FMT_NOP:
- break;
- case ORB_FMT_VED:
- break;
- case ORB_FMT_STD:
- switch(ocb->flags) {
- case OCB_ACT_MGM:
- orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
- reset_agent = 0;
- switch(orb_fun) {
- case ORB_FUN_LGI:
- login_res = sdev->login;
- login_res->len = ntohs(login_res->len);
- login_res->id = ntohs(login_res->id);
- login_res->cmd_hi = ntohs(login_res->cmd_hi);
- login_res->cmd_lo = ntohl(login_res->cmd_lo);
- if (status_valid) {
-SBP_DEBUG(0)
-sbp_show_sdev_info(sdev, 2);
-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));
-END_DEBUG
- sbp_busy_timeout(sdev);
- } else {
- /* forgot logout? */
- sbp_show_sdev_info(sdev, 2);
- printf("login failed\n");
- sdev->status = SBP_DEV_RESET;
- }
- break;
- case ORB_FUN_RCN:
- login_res = sdev->login;
- if (status_valid) {
-SBP_DEBUG(0)
-sbp_show_sdev_info(sdev, 2);
-printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
-END_DEBUG
-#if 1
-#if defined(__FreeBSD__)
- if (sdev->status == SBP_DEV_ATTACHED)
- sbp_scan_dev(sdev);
- else
-#endif
- sbp_agent_reset(sdev);
-#else
- sdev->status = SBP_DEV_ATTACHED;
- sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
-#endif
- } else {
- /* reconnection hold time exceed? */
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
- printf("reconnect failed\n");
-END_DEBUG
- sbp_login(sdev);
- }
- break;
- case ORB_FUN_LGO:
- sdev->status = SBP_DEV_RESET;
- break;
- case ORB_FUN_RST:
- sbp_busy_timeout(sdev);
- break;
- case ORB_FUN_LUR:
- case ORB_FUN_ATA:
- case ORB_FUN_ATS:
- sbp_agent_reset(sdev);
- break;
- default:
- sbp_show_sdev_info(sdev, 2);
- printf("unknown function %d\n", orb_fun);
- break;
- }
- sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
- break;
- case OCB_ACT_CMD:
- sdev->timeout = 0;
- if(ocb->sxfer != NULL){
- sbp_scsi_xfer *sxfer = ocb->sxfer;
-/*
- uint32_t *ld = SCSI_XFER_DATA(ocb->sxfer);
- if(ld != NULL &&
- SCSI_XFER_DATALEN(ocb->sxfer) != 0)
- printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
- else
- printf("ptr NULL\n");
-printf("len %d\n", sbp_status->len);
-*/
- if(sbp_status->len > 1){
- sbp_scsi_status(sbp_status, ocb);
- }else{
- if(sbp_status->resp != SBP_REQ_CMP){
- SCSI_XFER_ERROR(sxfer) =
- XS_REQ_CMP_ERR;
- }else{
- SCSI_XFER_ERROR(sxfer) =
- XS_REQ_CMP;
- SCSI_XFER_REQUEST_COMPLETE(
- sxfer);
- }
- }
- /* fix up inq data */
- if (SCSI_XFER_OPECODE(sxfer) == INQUIRY)
- sbp_fix_inq_data(ocb);
- SBP_LOCK(sbp);
- SCSI_TRANSFER_DONE(sxfer);
- SBP_UNLOCK(sbp);
- }
- break;
- default:
- break;
- }
- }
-
- if (!use_doorbell)
- sbp_free_ocb(sdev, ocb);
-done:
- if (reset_agent)
- sbp_agent_reset(sdev);
-
-done0:
- xfer->recv.pay_len = SBP_RECV_LEN;
-/* The received packet is usually small enough to be stored within
- * the buffer. In that case, the controller return ack_complete and
- * no respose is necessary.
- *
- * XXX fwohci.c and firewire.c should inform event_code such as
- * ack_complete or ack_pending to upper driver.
- */
-#if NEED_RESPONSE
- xfer->send.off = 0;
- sfp = (struct fw_pkt *)xfer->send.buf;
- sfp->mode.wres.dst = rfp->mode.wreqb.src;
- xfer->dst = sfp->mode.wres.dst;
- xfer->spd = min(sdev->target->fwdev->speed, max_speed);
- xfer->hand = sbp_loginres_callback;
-
- sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
- sfp->mode.wres.tcode = FWTCODE_WRES;
- sfp->mode.wres.rtcode = 0;
- sfp->mode.wres.pri = 0;
-
- fw_asyreq(xfer->fc, -1, xfer);
-#else
- /* recycle */
- STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
-#endif
-
- return;
-
-}
-
-static void
-sbp_recv(struct fw_xfer *xfer)
-{
- int s;
-
- s = splfwsbp();
- sbp_recv1(xfer);
- splx(s);
-}
-/*
- * sbp_attach()
- */
-FW_ATTACH(sbp)
-{
- FW_ATTACH_START(sbp, sbp, fwa);
- int dv_unit, error, s;
- struct firewire_comm *fc;
- SBP_ATTACH_START;
-
- if (DFLTPHYS > SBP_MAXPHYS)
- fw_printf(sbp->fd.dev,
- "Warning, DFLTPHYS(%dKB) is larger than "
- "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
- SBP_MAXPHYS / 1024);
-SBP_DEBUG(0)
- printf("sbp_attach (cold=%d)\n", cold);
-END_DEBUG
-
- if (cold)
- sbp_cold ++;
- sbp->fd.fc = fc = fwa->fc;
- fw_mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF);
-
- if (max_speed < 0)
- max_speed = fc->speed;
-
- error = fw_bus_dma_tag_create(/*parent*/fc->dmat,
- /* XXX shoud be 4 for sane backend? */
- /*alignment*/1,
- /*boundary*/0,
- /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
- /*highaddr*/BUS_SPACE_MAXADDR,
- /*filter*/NULL, /*filterarg*/NULL,
- /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
- /*maxsegsz*/SBP_SEG_MAX,
- /*flags*/BUS_DMA_ALLOCNOW,
- /*lockfunc*/busdma_lock_mutex,
- /*lockarg*/&sbp->mtx,
- &sbp->dmat);
- if (error != 0) {
- printf("sbp_attach: Could not allocate DMA tag "
- "- error %d\n", error);
- FW_ATTACH_RETURN(ENOMEM);
- }
-
-#if defined(__FreeBSD__)
- devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
- if (devq == NULL)
- return (ENXIO);
-#endif
-
- sbp->target.fwdev = NULL;
- sbp->target.luns = NULL;
-
- if (sbp_alloc_target(sbp, fwa->fwdev) == NULL)
- FW_ATTACH_RETURN(ENXIO);
-
- SBP_SCSIBUS_ATTACH;
-
- /* We reserve 16 bit space (4 bytes X 64 unit X 256 luns) */
- dv_unit = fw_get_unit(sbp->fd.dev);
- sbp->fwb.start = SBP_DEV2ADDR(dv_unit, 0);
- sbp->fwb.end = SBP_DEV2ADDR(dv_unit, -1);
- /* pre-allocate xfer */
- STAILQ_INIT(&sbp->fwb.xferlist);
- fw_xferlist_add(&sbp->fwb.xferlist, M_SBP,
- /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2,
- fc, (void *)sbp, sbp_recv);
- fw_bindadd(fc, &sbp->fwb);
-
- sbp->fd.post_busreset = sbp_post_busreset;
- sbp->fd.post_explore = sbp_post_explore;
-
- if (fc->status != FWBUSNOTREADY) {
- s = splfw();
- sbp_post_busreset((void *)sbp);
- sbp_post_explore((void *)sbp);
- splx(s);
- }
-
- FW_ATTACH_RETURN(0);
-#if defined(__FreeBSD__)
-fail:
- SBP_UNLOCK(sbp);
- cam_sim_free(sbp->sim, /*free_devq*/TRUE);
- return (ENXIO);
-#endif
-}
-
-static int
-sbp_logout_all(struct sbp_softc *sbp)
-{
- struct sbp_target *target;
- struct sbp_dev *sdev;
- int i;
-
-SBP_DEBUG(0)
- printf("sbp_logout_all\n");
-END_DEBUG
- target = &sbp->target;
- if (target->luns != NULL)
- for (i = 0; i < target->num_lun; i++) {
- sdev = target->luns[i];
- if (sdev == NULL)
- continue;
- fw_callout_stop(&sdev->login_callout);
- if (sdev->status >= SBP_DEV_TOATTACH &&
- sdev->status <= SBP_DEV_ATTACHED)
- sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
- }
-
- return 0;
-}
-
-#if defined(__FreeBSD__)
-static int
-sbp_shutdown(device_t dev)
-{
- struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
-
- sbp_logout_all(sbp);
- return (0);
-}
-#endif
-
-static void
-sbp_free_sdev(struct sbp_dev *sdev)
-{
- int i;
-
- if (sdev == NULL)
- return;
- for (i = 0; i < SBP_QUEUE_LEN; i++)
- fw_bus_dmamap_destroy(sdev->target->sbp->dmat,
- sdev->ocb[i].dmamap);
- fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
- free(sdev, M_SBP);
-}
-
-static void
-sbp_free_target(struct sbp_target *target)
-{
- struct sbp_softc *sbp;
- struct fw_xfer *xfer, *next;
- int i;
-
- if (target->luns == NULL)
- return;
- fw_callout_stop(&target->mgm_ocb_timeout);
- sbp = target->sbp;
- for (i = 0; i < target->num_lun; i++)
- sbp_free_sdev(target->luns[i]);
-
- for (xfer = STAILQ_FIRST(&target->xferlist);
- xfer != NULL; xfer = next) {
- next = STAILQ_NEXT(xfer, link);
- fw_xfer_free_buf(xfer);
- }
- STAILQ_INIT(&target->xferlist);
- free(target->luns, M_SBP);
- target->num_lun = 0;
- target->luns = NULL;
- target->fwdev = NULL;
-}
-
-FW_DETACH(sbp)
-{
- FW_DETACH_START(sbp, sbp);
- struct firewire_comm *fc = sbp->fd.fc;
- int i;
-
-SBP_DEBUG(0)
- printf("sbp_detach\n");
-END_DEBUG
-
- SBP_DETACH_TARGET(&sbp->target);
-#if defined(__FreeBSD__)
- SBP_LOCK(sbp);
- xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
- xpt_free_path(sbp->path);
- xpt_bus_deregister(cam_sim_path(sbp->sim));
- cam_sim_free(sbp->sim, /*free_devq*/ TRUE),
- SBP_UNLOCK(sbp);
-#endif
-
- sbp_logout_all(sbp);
-
- /* XXX wait for logout completion */
- tsleep(&i, FWPRI, "sbpdtc", hz/2);
-
- sbp_free_target(&sbp->target);
-
- fw_bindremove(fc, &sbp->fwb);
- fw_xferlist_remove(&sbp->fwb.xferlist);
-
- fw_bus_dma_tag_destroy(sbp->dmat);
- fw_mtx_destroy(&sbp->mtx);
-
- return (0);
-}
-
-#if defined(__FreeBSD__)
-static void
-sbp_cam_detach_sdev(struct sbp_dev *sdev)
-{
- if (sdev == NULL)
- return;
- if (sdev->status == SBP_DEV_DEAD)
- return;
- if (sdev->status == SBP_DEV_RESET)
- return;
- sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
- if (sdev->path) {
- SBP_LOCK(sdev->target->sbp);
- xpt_release_devq(sdev->path,
- sdev->freeze, TRUE);
- sdev->freeze = 0;
- xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
- xpt_free_path(sdev->path);
- sdev->path = NULL;
- SBP_UNLOCK(sdev->target->sbp);
- }
-}
-
-static void
-sbp_cam_detach_target(struct sbp_target *target)
-{
- int i;
-
- if (target->luns != NULL) {
-SBP_DEBUG(0)
- printf("sbp_detach_target %d\n", target->target_id);
-END_DEBUG
- fw_callout_stop(&target->scan_callout);
- for (i = 0; i < target->num_lun; i++)
- sbp_cam_detach_sdev(target->luns[i]);
- }
-}
-#elif defined(__NetBSD__)
-static void
-sbp_scsipi_detach_sdev(struct sbp_dev *sdev)
-{
- struct sbp_target *target;
- struct sbp_softc *sbp;
-
- if (sdev == NULL)
- return;
-
- target = sdev->target;
- if (target == NULL)
- return;
-
- sbp = target->sbp;
-
- if (sdev->status == SBP_DEV_DEAD)
- return;
- if (sdev->status == SBP_DEV_RESET)
- return;
- if (sdev->periph) {
- scsipi_periph_thaw(sdev->periph, sdev->freeze);
- scsipi_channel_thaw(&sbp->sc_channel, 0); /* XXXX */
- sdev->freeze = 0;
- if (scsipi_target_detach(&sbp->sc_channel,
- target->target_id, sdev->lun_id, DETACH_FORCE) != 0) {
- sbp_show_sdev_info(sdev, 2);
- printf("detach failed\n");
- }
- sdev->periph = NULL;
- }
- sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE);
-}
-
-static void
-sbp_scsipi_detach_target(struct sbp_target *target)
-{
- struct sbp_softc *sbp = target->sbp;
- int i;
-
- if (target->luns != NULL) {
-SBP_DEBUG(0)
- printf("sbp_detach_target %d\n", target->target_id);
-END_DEBUG
- fw_callout_stop(&target->scan_callout);
- for (i = 0; i < target->num_lun; i++)
- sbp_scsipi_detach_sdev(target->luns[i]);
- if (config_detach(sbp->sc_bus, DETACH_FORCE) != 0)
- fw_printf(sbp->fd.dev, "%d detach failed\n",
- target->target_id);
- sbp->sc_bus = NULL;
- }
-}
-#endif
-
-static void
-sbp_target_reset(struct sbp_dev *sdev, int method)
-{
- int i;
- struct sbp_target *target = sdev->target;
- struct sbp_dev *tsdev;
-
- for (i = 0; i < target->num_lun; i++) {
- tsdev = target->luns[i];
- if (tsdev == NULL)
- continue;
- if (tsdev->status == SBP_DEV_DEAD)
- continue;
- if (tsdev->status == SBP_DEV_RESET)
- continue;
- SBP_LOCK(target->sbp);
- SBP_DEVICE_FREEZE(tsdev, 1);
- tsdev->freeze ++;
- SBP_UNLOCK(target->sbp);
- sbp_abort_all_ocbs(tsdev, XS_CMD_TIMEOUT);
- if (method == 2)
- tsdev->status = SBP_DEV_LOGIN;
- }
- switch(method) {
- case 1:
- printf("target reset\n");
- sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
- break;
- case 2:
- printf("reset start\n");
- sbp_reset_start(sdev);
- break;
- }
-
-}
-
-static void
-sbp_mgm_timeout(void *arg)
-{
- struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
- struct sbp_dev *sdev = ocb->sdev;
- struct sbp_target *target = sdev->target;
-
- sbp_show_sdev_info(sdev, 2);
- printf("request timeout(mgm orb:0x%08x) ... ",
- (uint32_t)ocb->bus_addr);
- target->mgm_ocb_cur = NULL;
- sbp_free_ocb(sdev, ocb);
-#if 0
- /* XXX */
- printf("run next request\n");
- sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
-#endif
-#if 1
- printf("reset start\n");
- sbp_reset_start(sdev);
-#endif
-}
-
-static void
-sbp_timeout(void *arg)
-{
- struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
- struct sbp_dev *sdev = ocb->sdev;
-
- sbp_show_sdev_info(sdev, 2);
- printf("request timeout(cmd orb:0x%08x) ... ",
- (uint32_t)ocb->bus_addr);
-
- sdev->timeout ++;
- switch(sdev->timeout) {
- case 1:
- printf("agent reset\n");
- SBP_LOCK(sdev->target->sbp);
- SBP_DEVICE_FREEZE(sdev, 1);
- sdev->freeze ++;
- SBP_UNLOCK(sdev->target->sbp);
- sbp_abort_all_ocbs(sdev, XS_CMD_TIMEOUT);
- sbp_agent_reset(sdev);
- break;
- case 2:
- case 3:
- sbp_target_reset(sdev, sdev->timeout - 1);
- break;
-#if 0
- default:
- /* XXX give up */
- SBP_DETACH_TARGET(target);
- if (target->luns != NULL)
- free(target->luns, M_SBP);
- target->num_lun = 0;
- target->luns = NULL;
- target->fwdev = NULL;
-#endif
- }
-}
-
-static void
-sbp_action1(struct sbp_softc *sbp, sbp_scsi_xfer *sxfer)
-{
-
- struct sbp_target *target = NULL;
- struct sbp_dev *sdev = NULL;
-
- /* target:lun -> sdev mapping */
- if (sbp != NULL) {
- target = &sbp->target;
- if (target->fwdev != NULL
- && NOT_LUN_WILDCARD(SCSI_XFER_LUN(sxfer))
- && SCSI_XFER_LUN(sxfer) < target->num_lun) {
- sdev = target->luns[SCSI_XFER_LUN(sxfer)];
- if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
- sdev->status != SBP_DEV_PROBE)
- sdev = NULL;
- }
- }
-
-SBP_DEBUG(1)
- if (sdev == NULL)
- printf("invalid target %d lun %d\n",
- SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer));
-END_DEBUG
-
- switch (SCSI_XFER_FUNCCODE(sxfer)) {
- case XPT_SCSI_IO:
-#if defined(__FreeBSD__)
- case XPT_RESET_DEV:
- case XPT_GET_TRAN_SETTINGS:
- case XPT_SET_TRAN_SETTINGS:
- case XPT_CALC_GEOMETRY:
-#endif
- if (sdev == NULL) {
-SBP_DEBUG(1)
- printf("%s:%d:%d:func_code 0x%04x: "
- "Invalid target (target needed)\n",
- sbp ? fw_get_nameunit(sbp->fd.dev) : "???",
- SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer),
- SCSI_XFER_FUNCCODE(sxfer));
-END_DEBUG
-
- SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
- SCSI_TRANSFER_DONE(sxfer);
- return;
- }
- break;
-#if defined(__FreeBSD__)
- case XPT_PATH_INQ:
- case XPT_NOOP:
- /* The opcodes sometimes aimed at a target (sc is valid),
- * sometimes aimed at the SIM (sc is invalid and target is
- * CAM_TARGET_WILDCARD)
- */
- if (sbp == NULL &&
- sxfer->ccb_h.target_id != CAM_TARGET_WILDCARD) {
-SBP_DEBUG(0)
- printf("%s:%d:%d func_code 0x%04x: "
- "Invalid target (no wildcard)\n",
- fw_get_nameunit(sbp->fd.dev),
- sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun,
- sxfer->ccb_h.func_code);
-END_DEBUG
- SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
- SCSI_TRANSFER_DONE(sxfer);
- return;
- }
- break;
-#endif
- default:
- /* XXX Hm, we should check the input parameters */
- break;
- }
-
- switch (SCSI_XFER_FUNCCODE(sxfer)) {
- case XPT_SCSI_IO:
- {
- struct sbp_ocb *ocb;
- int speed;
- void *cdb;
- fw_mtx_assert(sim->mtx, MA_OWNED);
-
-SBP_DEBUG(2)
- printf("%s:%d:%d XPT_SCSI_IO: "
- "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
- ", flags: 0x%02x, "
- "%db cmd/%db data/%db sense\n",
- fw_get_nameunit(sbp->fd.dev),
- SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer),
- SCSI_XFER_10BCMD_DUMP(sxfer),
- SCSI_XFER_DIR(sxfer),
- SCSI_XFER_CMDLEN(sxfer), SCSI_XFER_DATALEN(sxfer),
- SCSI_XFER_SENSELEN(sxfer));
-END_DEBUG
- if(sdev == NULL){
- SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
- SCSI_TRANSFER_DONE(sxfer);
- return;
- }
-#if 0
- /* if we are in probe stage, pass only probe commands */
- if (sdev->status == SBP_DEV_PROBE) {
- char *name;
- name = xpt_path_periph(sxfer->ccb_h.path)->periph_name;
- printf("probe stage, periph name: %s\n", name);
- if (strcmp(name, "probe") != 0) {
- SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ;
- SCSI_TRANSFER_DONE(sxfer);
- return;
- }
- }
-#endif
- if ((ocb = sbp_get_ocb(sdev)) == NULL) {
- SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ;
- if (sdev->freeze == 0) {
- SBP_LOCK(sdev->target->sbp);
- SBP_DEVICE_FREEZE(sdev, 1);
- sdev->freeze ++;
- SBP_UNLOCK(sdev->target->sbp);
- }
- SCSI_TRANSFER_DONE(sxfer);
- return;
- }
-
- ocb->flags = OCB_ACT_CMD;
- ocb->sdev = sdev;
- ocb->sxfer = sxfer;
-#if defined(__FreeBSD__)
- sxfer->ccb_h.ccb_sdev_ptr = sdev;
-#endif
- ocb->orb[0] = htonl(1 << 31);
- ocb->orb[1] = 0;
- ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
- ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
- speed = min(target->fwdev->speed, max_speed);
- ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
- | ORB_CMD_MAXP(speed + 7));
- if(SCSI_XFER_DIR(sxfer) == SCSI_XFER_DATA_IN){
- ocb->orb[4] |= htonl(ORB_CMD_IN);
- }
-
- if (CAM_XFER_FLAGS(sxfer) & CAM_SCATTER_VALID)
- printf("sbp: CAM_SCATTER_VALID\n");
- if (CAM_XFER_FLAGS(sxfer) & CAM_DATA_PHYS)
- printf("sbp: CAM_DATA_PHYS\n");
-
- cdb = SCSI_XFER_CMD(sxfer);
- bcopy(cdb, (void *)&ocb->orb[5], SCSI_XFER_CMDLEN(sxfer));
-/*
-printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
-printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
-*/
- if (SCSI_XFER_DATALEN(sxfer) > 0) {
- int s, error;
-
- s = splsoftvm();
- error = fw_bus_dmamap_load(/*dma tag*/sbp->dmat,
- /*dma map*/ocb->dmamap,
- SCSI_XFER_DATA(sxfer),
- SCSI_XFER_DATALEN(sxfer),
- sbp_execute_ocb,
- ocb,
- /*flags*/0);
- splx(s);
- if (error)
- printf("sbp: bus_dmamap_load error %d\n", error);
- } else
- sbp_execute_ocb(ocb, NULL, 0, 0);
- break;
- }
-#if defined(__FreeBSD__)
- case XPT_CALC_GEOMETRY:
- {
- struct ccb_calc_geometry *ccg;
-#if defined(__DragonFly__) || __FreeBSD_version < 501100
- uint32_t size_mb;
- uint32_t secs_per_cylinder;
- int extended = 1;
-#endif
-
- ccg = &sxfer->ccg;
- if (ccg->block_size == 0) {
- printf("sbp_action1: block_size is 0.\n");
- SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
- SCSI_TRANSFER_DONE(sxfer);
- break;
- }
-SBP_DEBUG(1)
- printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
-#if defined(__DragonFly__) || __FreeBSD_version < 500000
- "Volume size = %d\n",
-#else
- "Volume size = %jd\n",
-#endif
- fw_get_nameunit(sbp->fd.dev),
- cam_sim_path(sbp->sim),
- sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun,
-#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
- (uintmax_t)
-#endif
- ccg->volume_size);
-END_DEBUG
-
-#if defined(__DragonFly__) || __FreeBSD_version < 501100
- size_mb = ccg->volume_size
- / ((1024L * 1024L) / ccg->block_size);
-
- if (size_mb > 1024 && extended) {
- ccg->heads = 255;
- ccg->secs_per_track = 63;
- } else {
- ccg->heads = 64;
- ccg->secs_per_track = 32;
- }
- secs_per_cylinder = ccg->heads * ccg->secs_per_track;
- ccg->cylinders = ccg->volume_size / secs_per_cylinder;
- SCSI_XFER_ERROR(sxfer) = XS_REQ_CMP;
-#else
- cam_calc_geometry(ccg, /*extended*/1);
-#endif
- SCSI_TRANSFER_DONE(sxfer);
- break;
- }
- case XPT_RESET_BUS: /* Reset the specified SCSI bus */
- {
-
-SBP_DEBUG(1)
- printf("%s:%d:XPT_RESET_BUS: \n",
- fw_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
-END_DEBUG
-
- SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
- SCSI_TRANSFER_DONE(sxfer);
- break;
- }
- case XPT_PATH_INQ: /* Path routing inquiry */
- {
- struct ccb_pathinq *cpi = &sxfer->cpi;
- struct cam_sim *sim = sbp->sim;
-
-SBP_DEBUG(1)
- printf("%s:%d:%d XPT_PATH_INQ:.\n",
- fw_get_nameunit(sbp->fd.dev),
- sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun);
-END_DEBUG
- cpi->version_num = 1; /* XXX??? */
- cpi->hba_inquiry = PI_TAG_ABLE;
- cpi->target_sprt = 0;
- cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
- cpi->hba_eng_cnt = 0;
- cpi->max_target = SBP_NUM_TARGETS - 1;
- cpi->max_lun = SBP_NUM_LUNS - 1;
- cpi->initiator_id = SBP_INITIATOR;
- cpi->bus_id = sim->bus_id;
- cpi->base_transfer_speed = 400 * 1000 / 8;
- strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
- strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
- strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
- cpi->unit_number = sim->unit_number;
- cpi->transport = XPORT_SPI; /* XX should havea FireWire */
- cpi->transport_version = 2;
- cpi->protocol = PROTO_SCSI;
- cpi->protocol_version = SCSI_REV_2;
-
- SCSI_XFER_ERROR(cpi) = XS_REQ_CMP;
- SCSI_TRANSFER_DONE(sxfer);
- break;
- }
- case XPT_GET_TRAN_SETTINGS:
- {
- struct ccb_trans_settings *cts = &sxfer->cts;
- struct ccb_trans_settings_scsi *scsi =
- &cts->proto_specific.scsi;
- struct ccb_trans_settings_spi *spi =
- &cts->xport_specific.spi;
-
- cts->protocol = PROTO_SCSI;
- cts->protocol_version = SCSI_REV_2;
- cts->transport = XPORT_SPI; /* should have a FireWire */
- cts->transport_version = 2;
- spi->valid = CTS_SPI_VALID_DISC;
- spi->flags = CTS_SPI_FLAGS_DISC_ENB;
- scsi->valid = CTS_SCSI_VALID_TQ;
- scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
-SBP_DEBUG(1)
- printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
- fw_get_nameunit(sbp->fd.dev),
- sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun);
-END_DEBUG
- SCSI_XFER_ERROR(cts) = XS_REQ_CMP;
- SCSI_TRANSFER_DONE(sxfer);
- break;
- }
- case XPT_ABORT:
- SCSI_XFER_ERROR(sxfer) = XS_UA_ABORT;
- SCSI_TRANSFER_DONE(sxfer);
- break;
- case XPT_SET_TRAN_SETTINGS:
- /* XXX */
- default:
- SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
- SCSI_TRANSFER_DONE(sxfer);
- break;
-#endif
- }
- return;
-}
-
-#if defined(__FreeBSD__)
-static void
-sbp_action(struct cam_sim *sim, sbp_scsi_xfer *sxfer)
-{
- int s;
-
- s = splfw();
- sbp_action1(sim->softc, sxfer);
- splx(s);
-}
-#endif
-
-static void
-sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
-{
- int i;
- struct sbp_ocb *ocb;
- struct sbp_ocb *prev;
- bus_dma_segment_t *s;
-
- if (error)
- printf("sbp_execute_ocb: error=%d\n", error);
-
- ocb = (struct sbp_ocb *)arg;
-
-SBP_DEBUG(2)
- printf("sbp_execute_ocb: seg %d", seg);
- for (i = 0; i < seg; i++)
-#if defined(__DragonFly__) || \
- (defined(__FreeBSD__) && __FreeBSD_version < 500000)
- printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
-#else
- printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
- (uintmax_t)segments[i].ds_len);
-#endif
- printf("\n");
-END_DEBUG
-
- if (seg == 1) {
- /* direct pointer */
- s = &segments[0];
- if (s->ds_len > SBP_SEG_MAX)
- panic("ds_len > SBP_SEG_MAX, fix busdma code");
- ocb->orb[3] = htonl(s->ds_addr);
- ocb->orb[4] |= htonl(s->ds_len);
- } else if(seg > 1) {
- /* page table */
- for (i = 0; i < seg; i++) {
- s = &segments[i];
-SBP_DEBUG(0)
- /* XXX LSI Logic "< 16 byte" bug might be hit */
- if (s->ds_len < 16)
- printf("sbp_execute_ocb: warning, "
-#if defined(__DragonFly__) || \
- (defined(__FreeBSD__) && __FreeBSD_version < 500000)
- "segment length(%d) is less than 16."
-#else
- "segment length(%jd) is less than 16."
-#endif
- "(seg=%d/%d)\n", (uintmax_t)s->ds_len, i+1, seg);
-END_DEBUG
- if (s->ds_len > SBP_SEG_MAX)
- panic("ds_len > SBP_SEG_MAX, fix busdma code");
- ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
- ocb->ind_ptr[i].lo = htonl(s->ds_addr);
- }
- ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
- }
-
- if (seg > 0)
- fw_bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
- (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
- BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
- prev = sbp_enqueue_ocb(ocb->sdev, ocb);
- fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
- if (use_doorbell) {
- if (prev == NULL) {
- if (ocb->sdev->last_ocb != NULL)
- sbp_doorbell(ocb->sdev);
- else
- sbp_orb_pointer(ocb->sdev, ocb);
- }
- } else {
- if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
- ocb->sdev->flags &= ~ORB_LINK_DEAD;
- sbp_orb_pointer(ocb->sdev, ocb);
- }
- }
-}
-
-#if defined(__FreeBSD__)
-static void
-sbp_poll(struct cam_sim *sim)
-{
- struct sbp_softc *sbp;
- struct firewire_comm *fc;
-
- sbp = (struct sbp_softc *)sim->softc;
- fc = sbp->fd.fc;
-
- fc->poll(fc, 0, -1);
-
- return;
-}
-
-#endif
-static struct sbp_ocb *
-sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
-{
- struct sbp_ocb *ocb;
- struct sbp_ocb *next;
- int s = splfw(), order = 0;
- int flags;
-
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
-#if defined(__DragonFly__) || \
- (defined(__FreeBSD__) && __FreeBSD_version < 500000)
- printf("%s: 0x%08lx src %d\n",
-#else
- printf("%s: 0x%08x src %d\n",
-#endif
- __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
-END_DEBUG
- SBP_LOCK(sdev->target->sbp);
- for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
- next = STAILQ_NEXT(ocb, ocb);
- flags = ocb->flags;
- if (OCB_MATCH(ocb, sbp_status)) {
- /* found */
- STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
- if (ocb->sxfer != NULL)
-#if defined(__DragonFly__) || defined(__NetBSD__)
- fw_callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer));
-#else
- untimeout(sbp_timeout, (void *)ocb,
- SCSI_XFER_CALLOUT(ocb->sxfer));
-#endif
- if (ntohl(ocb->orb[4]) & 0xffff) {
- fw_bus_dmamap_sync(sdev->target->sbp->dmat,
- ocb->dmamap,
- (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
- BUS_DMASYNC_POSTREAD :
- BUS_DMASYNC_POSTWRITE);
- fw_bus_dmamap_unload(sdev->target->sbp->dmat,
- ocb->dmamap);
- }
- if (!use_doorbell) {
- if (sbp_status->src == SRC_NO_NEXT) {
- if (next != NULL)
- sbp_orb_pointer(sdev, next);
- else if (order > 0) {
- /*
- * Unordered execution
- * We need to send pointer for
- * next ORB
- */
- sdev->flags |= ORB_LINK_DEAD;
- }
- }
- } else {
- /*
- * XXX this is not correct for unordered
- * execution.
- */
- if (sdev->last_ocb != NULL)
- sbp_free_ocb(sdev, sdev->last_ocb);
- sdev->last_ocb = ocb;
- if (next != NULL &&
- sbp_status->src == SRC_NO_NEXT)
- sbp_doorbell(sdev);
- }
- break;
- } else
- order ++;
- }
- SBP_UNLOCK(sdev->target->sbp);
- splx(s);
-SBP_DEBUG(0)
- if (ocb && order > 0) {
- sbp_show_sdev_info(sdev, 2);
- printf("unordered execution order:%d\n", order);
- }
-END_DEBUG
- return (ocb);
-}
-
-static struct sbp_ocb *
-sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
-{
- int s = splfw();
- struct sbp_ocb *prev, *prev2;
-
-SBP_DEBUG(1)
- sbp_show_sdev_info(sdev, 2);
-#if defined(__DragonFly__) || \
- (defined(__FreeBSD__) && __FreeBSD_version < 500000)
- printf("%s: 0x%08x\n", __func__, ocb->bus_addr);
-#else
- printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
-#endif
-END_DEBUG
- prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
- STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
-
- if (ocb->sxfer != NULL)
-#if defined(__DragonFly__) || defined(__NetBSD__)
- fw_callout_reset(&SCSI_XFER_CALLOUT(ocb->sxfer),
- mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)), sbp_timeout, ocb);
-#else
- SCSI_XFER_CALLOUT(ocb->sxfer) = timeout(sbp_timeout,
- (void *)ocb, mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)));
-#endif
-
- if (use_doorbell && prev == NULL)
- prev2 = sdev->last_ocb;
-
- if (prev2 != NULL) {
-SBP_DEBUG(2)
-#if defined(__DragonFly__) || \
- (defined(__FreeBSD__) && __FreeBSD_version < 500000)
- printf("linking chain 0x%x -> 0x%x\n",
- prev2->bus_addr, ocb->bus_addr);
-#else
- printf("linking chain 0x%jx -> 0x%jx\n",
- (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
-#endif
-END_DEBUG
- prev2->orb[1] = htonl(ocb->bus_addr);
- prev2->orb[0] = 0;
- }
- splx(s);
-
- return prev;
-}
-
-static struct sbp_ocb *
-sbp_get_ocb(struct sbp_dev *sdev)
-{
- struct sbp_ocb *ocb;
- int s = splfw();
-
- fw_mtx_assert(&sdev->target->sbp->mtx, MA_OWNED);
- ocb = STAILQ_FIRST(&sdev->free_ocbs);
- if (ocb == NULL) {
- sdev->flags |= ORB_SHORTAGE;
- printf("ocb shortage!!!\n");
- splx(s);
- return NULL;
- }
- STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
- splx(s);
- ocb->sxfer = NULL;
- return (ocb);
-}
-
-static void
-sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
-{
- ocb->flags = 0;
- ocb->sxfer = NULL;
-
- SBP_LOCK(sdev->target->sbp);
- STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
- if ((sdev->flags & ORB_SHORTAGE) != 0) {
- int count;
-
- sdev->flags &= ~ORB_SHORTAGE;
- count = sdev->freeze;
- sdev->freeze = 0;
- SBP_DEVICE_THAW(sdev, count);
- }
- SBP_UNLOCK(sdev->target->sbp);
-}
-
-static void
-sbp_abort_ocb(struct sbp_ocb *ocb, int status)
-{
- struct sbp_dev *sdev;
-
- sdev = ocb->sdev;
-SBP_DEBUG(0)
- sbp_show_sdev_info(sdev, 2);
-#if defined(__DragonFly__) || \
- (defined(__FreeBSD__) && __FreeBSD_version < 500000)
- printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr);
-#else
- printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
-#endif
-END_DEBUG
-SBP_DEBUG(1)
- if (ocb->sxfer != NULL)
- sbp_print_scsi_cmd(ocb);
-END_DEBUG
- if (ntohl(ocb->orb[4]) & 0xffff) {
- fw_bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
- (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
- BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
- fw_bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
- }
- if (ocb->sxfer != NULL) {
-#if defined(__DragonFly__ ) || defined(__NetBSD__)
- fw_callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer));
-#else
- untimeout(sbp_timeout, (void *)ocb,
- SCSI_XFER_CALLOUT(ocb->sxfer));
-#endif
- SCSI_XFER_ERROR(ocb->sxfer) = status;
- SBP_LOCK(sdev->target->sbp);
- SCSI_TRANSFER_DONE(ocb->sxfer);
- SBP_UNLOCK(sdev->target->sbp);
- }
- sbp_free_ocb(sdev, ocb);
-}
-
-static void
-sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
-{
- int s;
- struct sbp_ocb *ocb, *next;
- STAILQ_HEAD(, sbp_ocb) temp;
-
- s = splfw();
-
- bcopy(&sdev->ocbs, &temp, sizeof(temp));
- STAILQ_INIT(&sdev->ocbs);
- for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
- next = STAILQ_NEXT(ocb, ocb);
- sbp_abort_ocb(ocb, status);
- }
- if (sdev->last_ocb != NULL) {
- sbp_free_ocb(sdev, sdev->last_ocb);
- sdev->last_ocb = NULL;
- }
-
- splx(s);
-}
-
-#if defined(__FreeBSD__)
-static devclass_t sbp_devclass;
-
-static device_method_t sbp_methods[] = {
- /* device interface */
- DEVMETHOD(device_probe, sbp_probe),
- DEVMETHOD(device_attach, sbp_attach),
- DEVMETHOD(device_detach, sbp_detach),
- DEVMETHOD(device_shutdown, sbp_shutdown),
-
- { 0, 0 }
-};
-
-static driver_t sbp_driver = {
- "sbp",
- sbp_methods,
- sizeof(struct sbp_softc),
-};
-#ifdef __DragonFly__
-DECLARE_DUMMY_MODULE(sbp);
-#endif
-DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
-MODULE_VERSION(sbp, 1);
-MODULE_DEPEND(sbp, firewire, 1, 1, 1);
-MODULE_DEPEND(sbp, cam, 1, 1, 1);
-#elif defined(__NetBSD__)
-static void
-sbp_scsipi_request(
- struct scsipi_channel *channel, scsipi_adapter_req_t req, void *arg)
-{
- int i, s;
- struct sbp_softc *sbp =
- device_private(channel->chan_adapter->adapt_dev);
- struct scsipi_xfer *xs = arg;
-
- if (debug > 1)
- printf("Called sbpscsi_scsipi_request\n");
-
- switch (req) {
- case ADAPTER_REQ_RUN_XFER:
- if (debug > 1) {
- printf("Got req_run_xfer\n");
- printf("xs control: 0x%08x, timeout: %d\n",
- xs->xs_control, xs->timeout);
- printf("opcode: 0x%02x\n", (int)xs->cmd->opcode);
- for (i = 0; i < 15; i++)
- printf("0x%02x ",(int)xs->cmd->bytes[i]);
- printf("\n");
- }
- if (xs->xs_control & XS_CTL_RESET) {
- if (debug > 1)
- printf("XS_CTL_RESET not support\n");
- break;
- }
-#define SBPSCSI_SBP2_MAX_CDB 12
- if (xs->cmdlen > SBPSCSI_SBP2_MAX_CDB) {
- if (debug > 0)
- printf(
- "sbp doesn't support cdb's larger than %d "
- "bytes\n", SBPSCSI_SBP2_MAX_CDB);
- SCSI_XFER_ERROR(xs) = XS_REQ_INVALID;
- SCSI_TRANSFER_DONE(xs);
- return;
- }
- s = splfw();
- sbp_action1(sbp, xs);
- splx(s);
-
- break;
- case ADAPTER_REQ_GROW_RESOURCES:
- if (debug > 1)
- printf("Got req_grow_resources\n");
- break;
- case ADAPTER_REQ_SET_XFER_MODE:
- if (debug > 1)
- printf("Got set xfer mode\n");
- break;
- default:
- panic("Unknown request: %d\n", (int)req);
- }
-}
-
-static void
-sbp_minphys(struct buf *bp)
-{
- minphys(bp);
-}
-
-CFATTACH_DECL_NEW(sbp, sizeof(struct sbp_softc),
- sbpmatch, sbpattach, sbpdetach, NULL);
-#endif