/*
* mrsas_bus_scan: Perform bus scan
* input: Adapter instance soft state
*
* This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should
* not be called in FreeBSD 8.x and later versions, where the bus scan is
* automatic.
*/
int mrsas_bus_scan(struct mrsas_softc *sc)
{
union ccb *ccb_0;
union ccb *ccb_1;
lockmgr(&sc->sim_lock, LK_EXCLUSIVE);
if ((ccb_0 = xpt_alloc_ccb()) == NULL) {
lockmgr(&sc->sim_lock, LK_RELEASE);
return(ENOMEM);
}
if ((ccb_1 = xpt_alloc_ccb()) == NULL) {
xpt_free_ccb(ccb_0);
lockmgr(&sc->sim_lock, LK_RELEASE);
return(ENOMEM);
}
if (xpt_create_path(&ccb_0->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_0),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP){
xpt_free_ccb(ccb_0);
xpt_free_ccb(ccb_1);
lockmgr(&sc->sim_lock, LK_RELEASE);
return(EIO);
}
if (xpt_create_path(&ccb_1->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_1),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP){
xpt_free_ccb(ccb_0);
xpt_free_ccb(ccb_1);
lockmgr(&sc->sim_lock, LK_RELEASE);
return(EIO);
}
xpt_setup_ccb(&ccb_0->ccb_h, ccb_0->ccb_h.path, 5/*priority (low)*/);
ccb_0->ccb_h.func_code = XPT_SCAN_BUS;
ccb_0->ccb_h.cbfcnp = mrsas_rescan_callback;
ccb_0->crcn.flags = CAM_FLAG_NONE;
xpt_action(ccb_0); /* scan is now in progress */
xpt_setup_ccb(&ccb_1->ccb_h, ccb_1->ccb_h.path, 5/*priority (low)*/);
ccb_1->ccb_h.func_code = XPT_SCAN_BUS;
ccb_1->ccb_h.cbfcnp = mrsas_rescan_callback;
ccb_1->crcn.flags = CAM_FLAG_NONE;
xpt_action(ccb_1); /* scan is now in progress */
lockmgr(&sc->sim_lock, LK_RELEASE);
return(0);
}
static void
ptinit(void)
{
cam_status status;
struct cam_path *path;
/*
* Install a global async callback. This callback will
* receive async callbacks like "new device found".
*/
status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
if (status == CAM_REQ_CMP) {
struct ccb_setasync csa;
xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
csa.ccb_h.func_code = XPT_SASYNC_CB;
csa.event_enable = AC_FOUND_DEVICE;
csa.callback = ptasync;
csa.callback_arg = NULL;
xpt_action((union ccb *)&csa);
status = csa.ccb_h.status;
xpt_free_path(path);
}
if (status != CAM_REQ_CMP) {
printf("pt: Failed to attach master async callback "
"due to status 0x%x!\n", status);
}
}
int
tws_bus_scan(struct tws_softc *sc)
{
struct cam_path *path;
union ccb *ccb;
TWS_TRACE_DEBUG(sc, "entry", sc, 0);
KASSERT(sc->sim, ("sim not allocated"));
KKASSERT(lockstatus(&sc->sim_lock, curthread) != 0);
ccb = sc->scan_ccb;
if (xpt_create_path(&path, xpt_periph, cam_sim_path(sc->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
/* lockmgr(&sc->sim_lock, LK_RELEASE); */
return(EIO);
}
xpt_setup_ccb(&ccb->ccb_h, path, 5);
ccb->ccb_h.func_code = XPT_SCAN_BUS;
ccb->ccb_h.cbfcnp = tws_bus_scan_cb;
ccb->crcn.flags = CAM_FLAG_NONE;
xpt_action(ccb);
return(0);
}
static void
ahci_cam_rescan(struct ahci_port *ap)
{
struct cam_path *path;
union ccb *ccb;
int status;
int i;
if (ap->ap_flags & AP_F_SCAN_RUNNING) {
ap->ap_flags |= AP_F_SCAN_REQUESTED;
return;
}
ap->ap_flags |= AP_F_SCAN_RUNNING;
for (i = 0; i < AHCI_MAX_PMPORTS; ++i) {
ap->ap_ata[i]->at_features |= ATA_PORT_F_RESCAN;
}
status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
if (status != CAM_REQ_CMP)
return;
ccb = xpt_alloc_ccb();
xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
ccb->ccb_h.func_code = XPT_ENG_EXEC;
ccb->ccb_h.cbfcnp = ahci_cam_rescan_callback;
ccb->ccb_h.sim_priv.entries[0].ptr = ap;
ccb->crcn.flags = CAM_FLAG_NONE;
xpt_action_async(ccb);
}
/*
* Function name: tw_osli_request_bus_scan
* Description: Requests CAM for a scan of the bus.
*
* Input: sc -- ptr to per ctlr structure
* Output: None
* Return value: 0 -- success
* non-zero-- failure
*/
TW_INT32
tw_osli_request_bus_scan(struct twa_softc *sc)
{
union ccb *ccb;
tw_osli_dbg_dprintf(3, sc, "entering");
/* If we get here before sc->sim is initialized, return an error. */
if (!(sc->sim))
return(ENXIO);
if ((ccb = xpt_alloc_ccb()) == NULL)
return(ENOMEM);
lockmgr(sc->sim_lock, LK_EXCLUSIVE);
if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(sc->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_free_ccb(ccb);
lockmgr(sc->sim_lock, LK_RELEASE);
return(EIO);
}
xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5/*priority (low)*/);
ccb->ccb_h.func_code = XPT_SCAN_BUS;
ccb->ccb_h.cbfcnp = twa_bus_scan_cb;
ccb->crcn.flags = CAM_FLAG_NONE;
xpt_action(ccb);
lockmgr(sc->sim_lock, LK_RELEASE);
return(0);
}
static void
ptoninvalidate(struct cam_periph *periph)
{
int s;
struct pt_softc *softc;
struct buf *q_bp;
struct ccb_setasync csa;
softc = (struct pt_softc *)periph->softc;
/*
* De-register any async callbacks.
*/
xpt_setup_ccb(&csa.ccb_h, periph->path,
/* priority */ 5);
csa.ccb_h.func_code = XPT_SASYNC_CB;
csa.event_enable = 0;
csa.callback = ptasync;
csa.callback_arg = periph;
xpt_action((union ccb *)&csa);
softc->flags |= PT_FLAG_DEVICE_INVALID;
/*
* Although the oninvalidate() routines are always called at
* splsoftcam, we need to be at splbio() here to keep the buffer
* queue from being modified while we traverse it.
*/
s = splbio();
/*
* Return all queued I/O with ENXIO.
* XXX Handle any transactions queued to the card
* with XPT_ABORT_CCB.
*/
while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
bufq_remove(&softc->buf_queue, q_bp);
q_bp->b_resid = q_bp->b_bcount;
q_bp->b_error = ENXIO;
q_bp->b_flags |= B_ERROR;
biodone(q_bp);
}
splx(s);
xpt_print_path(periph->path);
printf("lost device\n");
}
static int
ic_scan(isc_session_t *sp)
{
union ccb *ccb;
debug_called(8);
sdebug(2, "scanning sid=%d", sp->sid);
if((ccb = malloc(sizeof(union ccb), M_TEMP, M_WAITOK | M_ZERO)) == NULL) {
xdebug("scan failed (can't allocate CCB)");
return ENOMEM; // XXX
}
sp->flags &= ~ISC_CAMDEVS;
sp->flags |= ISC_SCANWAIT;
CAM_LOCK(sp);
if(xpt_create_path(&sp->cam_path, NULL, cam_sim_path(sp->cam_sim),
0, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xdebug("can't create cam path");
CAM_UNLOCK(sp);
free(ccb, M_TEMP);
return ENODEV; // XXX
}
xpt_setup_ccb(&ccb->ccb_h, sp->cam_path, 5/*priority (low)*/);
ccb->ccb_h.func_code = XPT_SCAN_BUS;
ccb->ccb_h.cbfcnp = scan_callback;
ccb->crcn.flags = CAM_FLAG_NONE;
ccb->ccb_h.spriv_ptr0 = sp;
xpt_action(ccb);
CAM_UNLOCK(sp);
while(sp->flags & ISC_SCANWAIT)
tsleep(sp, PRIBIO, "ffp", 5*hz); // the timeout time should
// be configurable
sdebug(2, "# of luns=%d", sp->target_nluns);
if(sp->target_nluns > 0) {
sp->flags |= ISC_CAMDEVS;
return 0;
}
return ENODEV;
}
/*
* Function name: twa_request_bus_scan
* Description: Requests CAM for a scan of the bus.
*
* Input: sc -- ptr to per ctlr structure
* Output: None
* Return value: None
*/
void
twa_request_bus_scan(struct twa_softc *sc)
{
struct cam_path *path;
union ccb *ccb;
if ((ccb = malloc(sizeof(union ccb), M_TEMP, M_WAITOK)) == NULL)
return;
bzero(ccb, sizeof(union ccb));
if (xpt_create_path(&path, xpt_periph, cam_sim_path(sc->twa_sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
return;
xpt_setup_ccb(&ccb->ccb_h, path, 5);
ccb->ccb_h.func_code = XPT_SCAN_BUS;
ccb->ccb_h.cbfcnp = twa_bus_scan_cb;
ccb->crcn.flags = CAM_FLAG_NONE;
xpt_action(ccb);
}
static void
ahci_xpt_rescan(struct ahci_port *ap)
{
struct cam_path *path;
union ccb *ccb;
int status;
status = xpt_create_path(&path, xpt_periph, cam_sim_path(ap->ap_sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
if (status != CAM_REQ_CMP)
return;
ccb = xpt_alloc_ccb();
xpt_setup_ccb(&ccb->ccb_h, path, 5); /* 5 = low priority */
ccb->ccb_h.func_code = XPT_SCAN_BUS;
ccb->ccb_h.cbfcnp = ahci_cam_rescan_callback;
ccb->ccb_h.sim_priv.entries[0].ptr = ap;
ccb->crcn.flags = CAM_FLAG_NONE;
xpt_action_async(ccb);
}
static void
vpo_cam_rescan(struct vpo_data *vpo)
{
struct cam_path *path;
union ccb *ccb = malloc(sizeof(union ccb), M_TEMP, M_WAITOK | M_ZERO);
if (xpt_create_path(&path, xpt_periph, cam_sim_path(vpo->sim), 0, 0)
!= CAM_REQ_CMP) {
/* A failure is benign as the user can do a manual rescan */
return;
}
xpt_setup_ccb(&ccb->ccb_h, path, 5/*priority (low)*/);
ccb->ccb_h.func_code = XPT_SCAN_BUS;
ccb->ccb_h.cbfcnp = vpo_cam_rescan_callback;
ccb->crcn.flags = CAM_FLAG_NONE;
xpt_action(ccb);
/* The scan is in progress now. */
}
int
cfcs_init(void)
{
struct cfcs_softc *softc;
struct ccb_setasync csa;
struct ctl_frontend *fe;
#ifdef NEEDTOPORT
char wwnn[8];
#endif
int retval;
/* Don't continue if CTL is disabled */
if (ctl_disable != 0)
return (0);
softc = &cfcs_softc;
retval = 0;
bzero(softc, sizeof(*softc));
sprintf(softc->lock_desc, "ctl2cam");
mtx_init(&softc->lock, softc->lock_desc, NULL, MTX_DEF);
fe = &softc->fe;
fe->port_type = CTL_PORT_INTERNAL;
/* XXX KDM what should the real number be here? */
fe->num_requested_ctl_io = 4096;
snprintf(softc->port_name, sizeof(softc->port_name), "ctl2cam");
fe->port_name = softc->port_name;
fe->port_online = cfcs_online;
fe->port_offline = cfcs_offline;
fe->onoff_arg = softc;
fe->targ_enable = cfcs_targ_enable;
fe->targ_disable = cfcs_targ_disable;
fe->lun_enable = cfcs_lun_enable;
fe->lun_disable = cfcs_lun_disable;
fe->targ_lun_arg = softc;
fe->fe_datamove = cfcs_datamove;
fe->fe_done = cfcs_done;
/* XXX KDM what should we report here? */
/* XXX These should probably be fetched from CTL. */
fe->max_targets = 1;
fe->max_target_id = 15;
retval = ctl_frontend_register(fe, /*master_SC*/ 1);
if (retval != 0) {
printf("%s: ctl_frontend_register() failed with error %d!\n",
__func__, retval);
mtx_destroy(&softc->lock);
return (1);
}
/*
* Get the WWNN out of the database, and create a WWPN as well.
*/
#ifdef NEEDTOPORT
ddb_GetWWNN((char *)wwnn);
softc->wwnn = be64dec(wwnn);
softc->wwpn = softc->wwnn + (softc->fe.targ_port & 0xff);
#endif
/*
* If the CTL frontend didn't tell us what our WWNN/WWPN is, go
* ahead and set something random.
*/
if (fe->wwnn == 0) {
uint64_t random_bits;
arc4rand(&random_bits, sizeof(random_bits), 0);
softc->wwnn = (random_bits & 0x0000000fffffff00ULL) |
/* Company ID */ 0x5000000000000000ULL |
/* NL-Port */ 0x0300;
softc->wwpn = softc->wwnn + fe->targ_port + 1;
fe->wwnn = softc->wwnn;
fe->wwpn = softc->wwpn;
} else {
softc->wwnn = fe->wwnn;
softc->wwpn = fe->wwpn;
}
mtx_lock(&softc->lock);
softc->devq = cam_simq_alloc(fe->num_requested_ctl_io);
if (softc->devq == NULL) {
printf("%s: error allocating devq\n", __func__);
retval = ENOMEM;
goto bailout;
}
softc->sim = cam_sim_alloc(cfcs_action, cfcs_poll, softc->port_name,
softc, /*unit*/ 0, &softc->lock, 1,
fe->num_requested_ctl_io, softc->devq);
if (softc->sim == NULL) {
printf("%s: error allocating SIM\n", __func__);
retval = ENOMEM;
goto bailout;
}
if (xpt_bus_register(softc->sim, NULL, 0) != CAM_SUCCESS) {
printf("%s: error registering SIM\n", __func__);
retval = ENOMEM;
goto bailout;
}
if (xpt_create_path(&softc->path, /*periph*/NULL,
cam_sim_path(softc->sim),
CAM_TARGET_WILDCARD,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
printf("%s: error creating path\n", __func__);
xpt_bus_deregister(cam_sim_path(softc->sim));
retval = 1;
goto bailout;
}
xpt_setup_ccb(&csa.ccb_h, softc->path, CAM_PRIORITY_NONE);
csa.ccb_h.func_code = XPT_SASYNC_CB;
csa.event_enable = AC_LOST_DEVICE;
csa.callback = cfcs_async;
csa.callback_arg = softc->sim;
xpt_action((union ccb *)&csa);
mtx_unlock(&softc->lock);
return (retval);
bailout:
if (softc->sim)
cam_sim_free(softc->sim, /*free_devq*/ TRUE);
else if (softc->devq)
cam_simq_free(softc->devq);
mtx_unlock(&softc->lock);
mtx_destroy(&softc->lock);
return (retval);
}
int
cfcs_init(void)
{
struct cfcs_softc *softc;
struct ccb_setasync csa;
struct ctl_port *port;
int retval;
softc = &cfcs_softc;
bzero(softc, sizeof(*softc));
mtx_init(&softc->lock, "ctl2cam", NULL, MTX_DEF);
port = &softc->port;
port->frontend = &cfcs_frontend;
port->port_type = CTL_PORT_INTERNAL;
/* XXX KDM what should the real number be here? */
port->num_requested_ctl_io = 4096;
snprintf(softc->port_name, sizeof(softc->port_name), "camsim");
port->port_name = softc->port_name;
port->port_online = cfcs_online;
port->port_offline = cfcs_offline;
port->onoff_arg = softc;
port->fe_datamove = cfcs_datamove;
port->fe_done = cfcs_done;
/* XXX KDM what should we report here? */
/* XXX These should probably be fetched from CTL. */
port->max_targets = 1;
port->max_target_id = 15;
port->targ_port = -1;
retval = ctl_port_register(port);
if (retval != 0) {
printf("%s: ctl_port_register() failed with error %d!\n",
__func__, retval);
mtx_destroy(&softc->lock);
return (retval);
}
/*
* If the CTL frontend didn't tell us what our WWNN/WWPN is, go
* ahead and set something random.
*/
if (port->wwnn == 0) {
uint64_t random_bits;
arc4rand(&random_bits, sizeof(random_bits), 0);
softc->wwnn = (random_bits & 0x0000000fffffff00ULL) |
/* Company ID */ 0x5000000000000000ULL |
/* NL-Port */ 0x0300;
softc->wwpn = softc->wwnn + port->targ_port + 1;
ctl_port_set_wwns(port, true, softc->wwnn, true, softc->wwpn);
} else {
softc->wwnn = port->wwnn;
softc->wwpn = port->wwpn;
}
mtx_lock(&softc->lock);
softc->devq = cam_simq_alloc(port->num_requested_ctl_io);
if (softc->devq == NULL) {
printf("%s: error allocating devq\n", __func__);
retval = ENOMEM;
goto bailout;
}
softc->sim = cam_sim_alloc(cfcs_action, cfcs_poll, softc->port_name,
softc, /*unit*/ 0, &softc->lock, 1,
port->num_requested_ctl_io, softc->devq);
if (softc->sim == NULL) {
printf("%s: error allocating SIM\n", __func__);
retval = ENOMEM;
goto bailout;
}
if (xpt_bus_register(softc->sim, NULL, 0) != CAM_SUCCESS) {
printf("%s: error registering SIM\n", __func__);
retval = ENOMEM;
goto bailout;
}
if (xpt_create_path(&softc->path, /*periph*/NULL,
cam_sim_path(softc->sim),
CAM_TARGET_WILDCARD,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
printf("%s: error creating path\n", __func__);
xpt_bus_deregister(cam_sim_path(softc->sim));
retval = EINVAL;
goto bailout;
}
xpt_setup_ccb(&csa.ccb_h, softc->path, CAM_PRIORITY_NONE);
csa.ccb_h.func_code = XPT_SASYNC_CB;
csa.event_enable = AC_LOST_DEVICE;
csa.callback = cfcs_async;
csa.callback_arg = softc->sim;
xpt_action((union ccb *)&csa);
mtx_unlock(&softc->lock);
return (retval);
bailout:
if (softc->sim)
cam_sim_free(softc->sim, /*free_devq*/ TRUE);
else if (softc->devq)
cam_simq_free(softc->devq);
mtx_unlock(&softc->lock);
mtx_destroy(&softc->lock);
return (retval);
}
/*
* Function name: twa_cam_setup
* Description: Attaches the driver to CAM.
*
* Input: sc -- ptr to per ctlr structure
* Output: None
* Return value: 0 -- success
* non-zero-- failure
*/
int
twa_cam_setup(struct twa_softc *sc)
{
struct cam_devq *devq;
struct ccb_setasync csa;
twa_dbg_dprint(3, sc, "sc = %p", sc);
/*
* Create the device queue for our SIM.
*/
devq = cam_simq_alloc(TWA_Q_LENGTH);
if (devq == NULL)
return(ENOMEM);
/*
* Create a SIM entry. Though we can support TWA_Q_LENGTH simultaneous
* requests, we claim to be able to handle only (TWA_Q_LENGTH - 1), so
* that we always have a request packet available to service attention
* interrupts.
*/
twa_dbg_dprint(3, sc, "Calling cam_sim_alloc");
sc->twa_sim = cam_sim_alloc(twa_action, twa_poll, "twa", sc,
device_get_unit(sc->twa_bus_dev),
TWA_Q_LENGTH - 1, 1, devq);
if (sc->twa_sim == NULL) {
cam_simq_free(devq);
return(ENOMEM);
}
/*
* Register the bus.
*/
twa_dbg_dprint(3, sc, "Calling xpt_bus_register");
if (xpt_bus_register(sc->twa_sim, 0) != CAM_SUCCESS) {
cam_sim_free(sc->twa_sim, TRUE);
sc->twa_sim = NULL; /* so twa_cam_detach will not try to free it */
return(ENXIO);
}
twa_dbg_dprint(3, sc, "Calling xpt_create_path");
if (xpt_create_path(&sc->twa_path, NULL,
cam_sim_path(sc->twa_sim),
CAM_TARGET_WILDCARD,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_bus_deregister(cam_sim_path (sc->twa_sim));
cam_sim_free(sc->twa_sim, TRUE); /* passing TRUE will free the devq as well */
return(ENXIO);
}
twa_dbg_dprint(3, sc, "Calling xpt_setup_ccb");
xpt_setup_ccb(&csa.ccb_h, sc->twa_path, 5);
csa.ccb_h.func_code = XPT_SASYNC_CB;
csa.event_enable = AC_FOUND_DEVICE | AC_LOST_DEVICE;
csa.callback = twa_async;
csa.callback_arg = sc;
xpt_action((union ccb *)&csa);
twa_dbg_dprint(3, sc, "Calling twa_request_bus_scan");
/*
* Request a bus scan, so that CAM gets to know of
* the logical units that we control.
*/
twa_request_bus_scan(sc);
twa_dbg_dprint(3, sc, "Exiting");
return(0);
}
void
isci_io_request_complete(SCI_CONTROLLER_HANDLE_T scif_controller,
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
struct ISCI_IO_REQUEST *isci_request, SCI_IO_STATUS completion_status)
{
struct ISCI_CONTROLLER *isci_controller;
struct ISCI_REMOTE_DEVICE *isci_remote_device;
union ccb *ccb;
BOOL complete_ccb;
complete_ccb = TRUE;
isci_controller = (struct ISCI_CONTROLLER *) sci_object_get_association(scif_controller);
isci_remote_device =
(struct ISCI_REMOTE_DEVICE *) sci_object_get_association(remote_device);
ccb = isci_request->ccb;
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
switch (completion_status) {
case SCI_IO_SUCCESS:
case SCI_IO_SUCCESS_COMPLETE_BEFORE_START:
#if __FreeBSD_version >= 900026
if (ccb->ccb_h.func_code == XPT_SMP_IO) {
void *smp_response =
scif_io_request_get_response_iu_address(
isci_request->sci_object);
memcpy(ccb->smpio.smp_response, smp_response,
ccb->smpio.smp_response_len);
}
#endif
ccb->ccb_h.status |= CAM_REQ_CMP;
break;
case SCI_IO_SUCCESS_IO_DONE_EARLY:
ccb->ccb_h.status |= CAM_REQ_CMP;
ccb->csio.resid = ccb->csio.dxfer_len -
scif_io_request_get_number_of_bytes_transferred(
isci_request->sci_object);
break;
case SCI_IO_FAILURE_RESPONSE_VALID:
{
SCI_SSP_RESPONSE_IU_T * response_buffer;
uint32_t sense_length;
int error_code, sense_key, asc, ascq;
struct ccb_scsiio *csio = &ccb->csio;
response_buffer = (SCI_SSP_RESPONSE_IU_T *)
scif_io_request_get_response_iu_address(
isci_request->sci_object);
sense_length = sci_ssp_get_sense_data_length(
response_buffer->sense_data_length);
sense_length = MIN(csio->sense_len, sense_length);
memcpy(&csio->sense_data, response_buffer->data, sense_length);
csio->sense_resid = csio->sense_len - sense_length;
csio->scsi_status = response_buffer->status;
ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
scsi_extract_sense( &csio->sense_data, &error_code, &sense_key,
&asc, &ascq );
isci_log_message(1, "ISCI",
"isci: bus=%x target=%x lun=%x cdb[0]=%x status=%x key=%x asc=%x ascq=%x\n",
ccb->ccb_h.path_id, ccb->ccb_h.target_id,
ccb->ccb_h.target_lun, csio->cdb_io.cdb_bytes[0],
csio->scsi_status, sense_key, asc, ascq);
break;
}
case SCI_IO_FAILURE_REMOTE_DEVICE_RESET_REQUIRED:
isci_remote_device_reset(isci_remote_device, NULL);
/* drop through */
case SCI_IO_FAILURE_TERMINATED:
ccb->ccb_h.status |= CAM_REQ_TERMIO;
isci_log_message(1, "ISCI",
"isci: bus=%x target=%x lun=%x cdb[0]=%x terminated\n",
ccb->ccb_h.path_id, ccb->ccb_h.target_id,
ccb->ccb_h.target_lun, ccb->csio.cdb_io.cdb_bytes[0]);
break;
case SCI_IO_FAILURE_INVALID_STATE:
case SCI_IO_FAILURE_INSUFFICIENT_RESOURCES:
complete_ccb = FALSE;
break;
case SCI_IO_FAILURE_INVALID_REMOTE_DEVICE:
ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
break;
case SCI_IO_FAILURE_NO_NCQ_TAG_AVAILABLE:
{
struct ccb_relsim ccb_relsim;
struct cam_path *path;
xpt_create_path(&path, NULL,
cam_sim_path(isci_controller->sim),
isci_remote_device->index, 0);
xpt_setup_ccb(&ccb_relsim.ccb_h, path, 5);
ccb_relsim.ccb_h.func_code = XPT_REL_SIMQ;
ccb_relsim.ccb_h.flags = CAM_DEV_QFREEZE;
ccb_relsim.release_flags = RELSIM_ADJUST_OPENINGS;
ccb_relsim.openings =
scif_remote_device_get_max_queue_depth(remote_device);
xpt_action((union ccb *)&ccb_relsim);
xpt_free_path(path);
complete_ccb = FALSE;
}
break;
case SCI_IO_FAILURE:
case SCI_IO_FAILURE_REQUIRES_SCSI_ABORT:
case SCI_IO_FAILURE_UNSUPPORTED_PROTOCOL:
case SCI_IO_FAILURE_PROTOCOL_VIOLATION:
case SCI_IO_FAILURE_INVALID_PARAMETER_VALUE:
case SCI_IO_FAILURE_CONTROLLER_SPECIFIC_ERR:
default:
isci_log_message(1, "ISCI",
"isci: bus=%x target=%x lun=%x cdb[0]=%x completion status=%x\n",
ccb->ccb_h.path_id, ccb->ccb_h.target_id,
ccb->ccb_h.target_lun, ccb->csio.cdb_io.cdb_bytes[0],
completion_status);
ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
break;
}
callout_stop(&isci_request->parent.timer);
bus_dmamap_sync(isci_request->parent.dma_tag,
isci_request->parent.dma_map,
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(isci_request->parent.dma_tag,
isci_request->parent.dma_map);
isci_request->ccb = NULL;
sci_pool_put(isci_controller->request_pool,
(struct ISCI_REQUEST *)isci_request);
if (complete_ccb) {
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
/* ccb will be completed with some type of non-success
* status. So temporarily freeze the queue until the
* upper layers can act on the status. The
* CAM_DEV_QFRZN flag will then release the queue
* after the status is acted upon.
*/
ccb->ccb_h.status |= CAM_DEV_QFRZN;
xpt_freeze_devq(ccb->ccb_h.path, 1);
}
if (ccb->ccb_h.status & CAM_SIM_QUEUED) {
KASSERT(ccb == isci_remote_device->queued_ccb_in_progress,
("multiple internally queued ccbs in flight"));
TAILQ_REMOVE(&isci_remote_device->queued_ccbs,
&ccb->ccb_h, sim_links.tqe);
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
/*
* This CCB that was in the queue was completed, so
* set the in_progress pointer to NULL denoting that
* we can retry another CCB from the queue. We only
* allow one CCB at a time from the queue to be
* in progress so that we can effectively maintain
* ordering.
*/
isci_remote_device->queued_ccb_in_progress = NULL;
}
if (isci_remote_device->frozen_lun_mask != 0) {
isci_remote_device_release_device_queue(isci_remote_device);
}
xpt_done(ccb);
if (isci_controller->is_frozen == TRUE) {
isci_controller->is_frozen = FALSE;
xpt_release_simq(isci_controller->sim, TRUE);
}
} else {
isci_remote_device_freeze_lun_queue(isci_remote_device,
ccb->ccb_h.target_lun);
if (ccb->ccb_h.status & CAM_SIM_QUEUED) {
KASSERT(ccb == isci_remote_device->queued_ccb_in_progress,
("multiple internally queued ccbs in flight"));
/*
* Do nothing, CCB is already on the device's queue.
* We leave it on the queue, to be retried again
* next time a CCB on this device completes, or we
* get a ready notification for this device.
*/
isci_log_message(1, "ISCI", "already queued %p %x\n",
ccb, ccb->csio.cdb_io.cdb_bytes[0]);
isci_remote_device->queued_ccb_in_progress = NULL;
} else {
isci_log_message(1, "ISCI", "queue %p %x\n", ccb,
ccb->csio.cdb_io.cdb_bytes[0]);
ccb->ccb_h.status |= CAM_SIM_QUEUED;
TAILQ_INSERT_TAIL(&isci_remote_device->queued_ccbs,
&ccb->ccb_h, sim_links.tqe);
}
}
}
/*
* Attach all the sub-devices we can find
*/
int
adv_attach(struct adv_softc *adv)
{
struct ccb_setasync *csa;
int max_sg;
/*
* Allocate an array of ccb mapping structures. We put the
* index of the ccb_info structure into the queue representing
* a transaction and use it for mapping the queue to the
* upper level SCSI transaction it represents.
*/
adv->ccb_infos = kmalloc(sizeof(*adv->ccb_infos) * adv->max_openings,
M_DEVBUF, M_WAITOK);
adv->init_level++;
/*
* Create our DMA tags. These tags define the kinds of device
* accessible memory allocations and memory mappings we will
* need to perform during normal operation.
*
* Unless we need to further restrict the allocation, we rely
* on the restrictions of the parent dmat, hence the common
* use of MAXADDR and MAXSIZE.
*
* The ASC boards use chains of "queues" (the transactional
* resources on the board) to represent long S/G lists.
* The first queue represents the command and holds a
* single address and data pair. The queues that follow
* can each hold ADV_SG_LIST_PER_Q entries. Given the
* total number of queues, we can express the largest
* transaction we can map. We reserve a few queues for
* error recovery. Take those into account as well.
*
* There is a way to take an interrupt to download the
* next batch of S/G entries if there are more than 255
* of them (the counter in the queue structure is a u_int8_t).
* We don't use this feature, so limit the S/G list size
* accordingly.
*/
max_sg = (adv->max_openings - ADV_MIN_FREE_Q - 1) * ADV_SG_LIST_PER_Q;
if (max_sg > 255)
max_sg = 255;
/* DMA tag for mapping buffers into device visible space. */
if (bus_dma_tag_create(adv->parent_dmat, /*alignment*/1, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/MAXPHYS,
/*nsegments*/max_sg,
/*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
/*flags*/BUS_DMA_ALLOCNOW,
&adv->buffer_dmat) != 0) {
return (ENXIO);
}
adv->init_level++;
/* DMA tag for our sense buffers */
if (bus_dma_tag_create(adv->parent_dmat, /*alignment*/1, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
sizeof(struct scsi_sense_data)*adv->max_openings,
/*nsegments*/1,
/*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
/*flags*/0, &adv->sense_dmat) != 0) {
return (ENXIO);
}
adv->init_level++;
/* Allocation for our sense buffers */
if (bus_dmamem_alloc(adv->sense_dmat, (void *)&adv->sense_buffers,
BUS_DMA_NOWAIT, &adv->sense_dmamap) != 0) {
return (ENOMEM);
}
adv->init_level++;
/* And permanently map them */
bus_dmamap_load(adv->sense_dmat, adv->sense_dmamap,
adv->sense_buffers,
sizeof(struct scsi_sense_data)*adv->max_openings,
adv_map, &adv->sense_physbase, /*flags*/0);
adv->init_level++;
/*
* Fire up the chip
*/
if (adv_start_chip(adv) != 1) {
kprintf("adv%d: Unable to start on board processor. Aborting.\n",
adv->unit);
return (ENXIO);
}
/*
* Construct our SIM entry.
*/
adv->sim = cam_sim_alloc(adv_action, adv_poll, "adv", adv, adv->unit,
&sim_mplock, 1, adv->max_openings, NULL);
if (adv->sim == NULL)
return (ENOMEM);
/*
* Register the bus.
*
* XXX Twin Channel EISA Cards???
*/
if (xpt_bus_register(adv->sim, 0) != CAM_SUCCESS) {
cam_sim_free(adv->sim);
return (ENXIO);
}
if (xpt_create_path(&adv->path, /*periph*/NULL, cam_sim_path(adv->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD)
!= CAM_REQ_CMP) {
xpt_bus_deregister(cam_sim_path(adv->sim));
cam_sim_free(adv->sim);
return (ENXIO);
}
csa = &xpt_alloc_ccb()->csa;
xpt_setup_ccb(&csa->ccb_h, adv->path, /*priority*/5);
csa->ccb_h.func_code = XPT_SASYNC_CB;
csa->event_enable = AC_FOUND_DEVICE|AC_LOST_DEVICE;
csa->callback = advasync;
csa->callback_arg = adv;
xpt_action((union ccb *)csa);
xpt_free_ccb(&csa->ccb_h);
return (0);
}
static void
pmpdone(struct cam_periph *periph, union ccb *done_ccb)
{
struct ccb_trans_settings cts;
struct pmp_softc *softc;
struct ccb_ataio *ataio;
struct cam_path *dpath;
u_int32_t priority, res;
int i;
softc = (struct pmp_softc *)periph->softc;
ataio = &done_ccb->ataio;
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpdone\n"));
priority = done_ccb->ccb_h.pinfo.priority;
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) {
return;
} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
cam_release_devq(done_ccb->ccb_h.path,
/*relsim_flags*/0,
/*reduction*/0,
/*timeout*/0,
/*getcount_only*/0);
}
goto done;
}
if (softc->restart) {
softc->restart = 0;
xpt_release_ccb(done_ccb);
softc->state = min(softc->state, PMP_STATE_PRECONFIG);
xpt_schedule(periph, priority);
return;
}
switch (softc->state) {
case PMP_STATE_PORTS:
softc->pm_ports = (ataio->res.lba_high << 24) +
(ataio->res.lba_mid << 16) +
(ataio->res.lba_low << 8) +
ataio->res.sector_count;
if (pmp_hide_special) {
/*
* This PMP declares 6 ports, while only 5 of them
* are real. Port 5 is a SEMB port, probing which
* causes timeouts if external SEP is not connected
* to PMP over I2C.
*/
if (softc->pm_pid == 0x37261095 && softc->pm_ports == 6)
softc->pm_ports = 5;
/*
* This PMP declares 7 ports, while only 5 of them
* are real. Port 5 is a fake "Config Disk" with
* 640 sectors size. Port 6 is a SEMB port.
*/
if (softc->pm_pid == 0x47261095 && softc->pm_ports == 7)
softc->pm_ports = 5;
/*
* These PMPs have extra configuration port.
*/
if (softc->pm_pid == 0x57231095 ||
softc->pm_pid == 0x57331095 ||
softc->pm_pid == 0x57341095 ||
softc->pm_pid == 0x57441095)
softc->pm_ports--;
}
printf("%s%d: %d fan-out ports\n",
periph->periph_name, periph->unit_number,
softc->pm_ports);
softc->state = PMP_STATE_PRECONFIG;
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
return;
case PMP_STATE_PRECONFIG:
softc->pm_step = 0;
softc->state = PMP_STATE_RESET;
softc->reset |= ~softc->found;
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
return;
case PMP_STATE_RESET:
softc->pm_step++;
if (softc->pm_step >= softc->pm_ports) {
softc->pm_step = 0;
cam_freeze_devq(periph->path);
cam_release_devq(periph->path,
RELSIM_RELEASE_AFTER_TIMEOUT,
/*reduction*/0,
/*timeout*/5,
/*getcount_only*/0);
softc->state = PMP_STATE_CONNECT;
}
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
return;
case PMP_STATE_CONNECT:
softc->pm_step++;
if (softc->pm_step >= softc->pm_ports) {
softc->pm_step = 0;
softc->pm_try = 0;
cam_freeze_devq(periph->path);
cam_release_devq(periph->path,
RELSIM_RELEASE_AFTER_TIMEOUT,
/*reduction*/0,
/*timeout*/10,
/*getcount_only*/0);
softc->state = PMP_STATE_CHECK;
}
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
return;
case PMP_STATE_CHECK:
res = (ataio->res.lba_high << 24) +
(ataio->res.lba_mid << 16) +
(ataio->res.lba_low << 8) +
ataio->res.sector_count;
if (((res & 0xf0f) == 0x103 && (res & 0x0f0) != 0) ||
(res & 0x600) != 0) {
if (bootverbose) {
printf("%s%d: port %d status: %08x\n",
periph->periph_name, periph->unit_number,
softc->pm_step, res);
}
/* Report device speed if it is online. */
if ((res & 0xf0f) == 0x103 &&
xpt_create_path(&dpath, periph,
xpt_path_path_id(periph->path),
softc->pm_step, 0) == CAM_REQ_CMP) {
bzero(&cts, sizeof(cts));
xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE);
cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS;
cts.type = CTS_TYPE_CURRENT_SETTINGS;
cts.xport_specific.sata.revision = (res & 0x0f0) >> 4;
cts.xport_specific.sata.valid = CTS_SATA_VALID_REVISION;
cts.xport_specific.sata.caps = softc->caps &
(CTS_SATA_CAPS_H_PMREQ |
CTS_SATA_CAPS_H_DMAAA |
CTS_SATA_CAPS_H_AN);
cts.xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
xpt_action((union ccb *)&cts);
xpt_free_path(dpath);
}
softc->found |= (1 << softc->pm_step);
softc->pm_step++;
} else {
if (softc->pm_try < 10) {
static void
pmpstart(struct cam_periph *periph, union ccb *start_ccb)
{
struct ccb_trans_settings cts;
struct ccb_ataio *ataio;
struct pmp_softc *softc;
struct cam_path *dpath;
int revision = 0;
softc = (struct pmp_softc *)periph->softc;
ataio = &start_ccb->ataio;
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpstart\n"));
if (softc->restart) {
softc->restart = 0;
softc->state = min(softc->state, PMP_STATE_PRECONFIG);
}
/* Fetch user wanted device speed. */
if (softc->state == PMP_STATE_RESET ||
softc->state == PMP_STATE_CONNECT) {
if (xpt_create_path(&dpath, periph,
xpt_path_path_id(periph->path),
softc->pm_step, 0) == CAM_REQ_CMP) {
bzero(&cts, sizeof(cts));
xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE);
cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
cts.type = CTS_TYPE_USER_SETTINGS;
xpt_action((union ccb *)&cts);
if (cts.xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
revision = cts.xport_specific.sata.revision;
xpt_free_path(dpath);
}
}
switch (softc->state) {
case PMP_STATE_PORTS:
cam_fill_ataio(ataio,
pmp_retry_count,
pmpdone,
/*flags*/CAM_DIR_NONE,
0,
/*data_ptr*/NULL,
/*dxfer_len*/0,
pmp_default_timeout * 1000);
ata_pm_read_cmd(ataio, 2, 15);
break;
case PMP_STATE_PRECONFIG:
/* Get/update host SATA capabilities. */
bzero(&cts, sizeof(cts));
xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
cts.type = CTS_TYPE_CURRENT_SETTINGS;
xpt_action((union ccb *)&cts);
if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS)
softc->caps = cts.xport_specific.sata.caps;
cam_fill_ataio(ataio,
pmp_retry_count,
pmpdone,
/*flags*/CAM_DIR_NONE,
0,
/*data_ptr*/NULL,
/*dxfer_len*/0,
pmp_default_timeout * 1000);
ata_pm_write_cmd(ataio, 0x60, 15, 0x0);
break;
case PMP_STATE_RESET:
cam_fill_ataio(ataio,
pmp_retry_count,
pmpdone,
/*flags*/CAM_DIR_NONE,
0,
/*data_ptr*/NULL,
/*dxfer_len*/0,
pmp_default_timeout * 1000);
ata_pm_write_cmd(ataio, 2, softc->pm_step,
(revision << 4) |
((softc->found & (1 << softc->pm_step)) ? 0 : 1));
break;
case PMP_STATE_CONNECT:
cam_fill_ataio(ataio,
pmp_retry_count,
pmpdone,
/*flags*/CAM_DIR_NONE,
0,
/*data_ptr*/NULL,
/*dxfer_len*/0,
pmp_default_timeout * 1000);
ata_pm_write_cmd(ataio, 2, softc->pm_step,
(revision << 4));
break;
case PMP_STATE_CHECK:
cam_fill_ataio(ataio,
pmp_retry_count,
pmpdone,
/*flags*/CAM_DIR_NONE,
0,
/*data_ptr*/NULL,
/*dxfer_len*/0,
pmp_default_timeout * 1000);
ata_pm_read_cmd(ataio, 0, softc->pm_step);
break;
case PMP_STATE_CLEAR:
softc->reset = 0;
cam_fill_ataio(ataio,
pmp_retry_count,
pmpdone,
/*flags*/CAM_DIR_NONE,
0,
/*data_ptr*/NULL,
/*dxfer_len*/0,
pmp_default_timeout * 1000);
ata_pm_write_cmd(ataio, 1, softc->pm_step, 0xFFFFFFFF);
break;
case PMP_STATE_CONFIG:
cam_fill_ataio(ataio,
pmp_retry_count,
pmpdone,
/*flags*/CAM_DIR_NONE,
0,
/*data_ptr*/NULL,
/*dxfer_len*/0,
pmp_default_timeout * 1000);
ata_pm_write_cmd(ataio, 0x60, 15, 0x07 |
((softc->caps & CTS_SATA_CAPS_H_AN) ? 0x08 : 0));
break;
default:
break;
}
xpt_action(start_ccb);
}
static void
ahbprocesserror(struct ahb_softc *ahb, struct ecb *ecb, union ccb *ccb)
{
struct hardware_ecb *hecb;
struct ecb_status *status;
hecb = &ecb->hecb;
status = &ecb->status;
switch (status->ha_status) {
case HS_OK:
ccb->csio.scsi_status = status->scsi_status;
if (status->scsi_status != 0) {
ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
if (status->sense_stored) {
ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
ccb->csio.sense_resid =
ccb->csio.sense_len - status->sense_len;
bcopy(&ecb->sense, &ccb->csio.sense_data,
status->sense_len);
}
}
break;
case HS_TARGET_NOT_ASSIGNED:
ccb->ccb_h.status = CAM_PATH_INVALID;
break;
case HS_SEL_TIMEOUT:
ccb->ccb_h.status = CAM_SEL_TIMEOUT;
break;
case HS_DATA_RUN_ERR:
ahbcalcresid(ahb, ecb, ccb);
break;
case HS_UNEXPECTED_BUSFREE:
ccb->ccb_h.status = CAM_UNEXP_BUSFREE;
break;
case HS_INVALID_PHASE:
ccb->ccb_h.status = CAM_SEQUENCE_FAIL;
break;
case HS_REQUEST_SENSE_FAILED:
ccb->ccb_h.status = CAM_AUTOSENSE_FAIL;
break;
case HS_TAG_MSG_REJECTED:
{
struct ccb_trans_settings neg;
struct ccb_trans_settings_scsi *scsi = &neg.proto_specific.scsi;
xpt_print_path(ccb->ccb_h.path);
printf("refuses tagged commands. Performing "
"non-tagged I/O\n");
memset(&neg, 0, sizeof (neg));
neg.protocol = PROTO_SCSI;
neg.protocol_version = SCSI_REV_2;
neg.transport = XPORT_SPI;
neg.transport_version = 2;
scsi->flags = CTS_SCSI_VALID_TQ;
xpt_setup_ccb(&neg.ccb_h, ccb->ccb_h.path, /*priority*/1);
xpt_async(AC_TRANSFER_NEG, ccb->ccb_h.path, &neg);
ahb->tags_permitted &= ~(0x01 << ccb->ccb_h.target_id);
ccb->ccb_h.status = CAM_MSG_REJECT_REC;
break;
}
case HS_FIRMWARE_LOAD_REQ:
case HS_HARDWARE_ERR:
/*
* Tell the system that the Adapter
* is no longer functional.
*/
ccb->ccb_h.status = CAM_NO_HBA;
break;
case HS_CMD_ABORTED_HOST:
case HS_CMD_ABORTED_ADAPTER:
case HS_ATN_TARGET_FAILED:
case HS_SCSI_RESET_ADAPTER:
case HS_SCSI_RESET_INCOMING:
ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
break;
case HS_INVALID_ECB_PARAM:
printf("ahb%ld: opcode 0x%02x, flag_word1 0x%02x, flag_word2 0x%02x\n",
ahb->unit, hecb->opcode, hecb->flag_word1, hecb->flag_word2);
ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
break;
case HS_DUP_TCB_RECEIVED:
case HS_INVALID_OPCODE:
case HS_INVALID_CMD_LINK:
case HS_PROGRAM_CKSUM_ERROR:
panic("ahb%ld: Can't happen host status %x occurred",
ahb->unit, status->ha_status);
break;
}
if (ccb->ccb_h.status != CAM_REQ_CMP) {
xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
ccb->ccb_h.status |= CAM_DEV_QFRZN;
}
}
static cam_status
ptctor(struct cam_periph *periph, void *arg)
{
struct pt_softc *softc;
struct ccb_setasync csa;
struct ccb_getdev *cgd;
cgd = (struct ccb_getdev *)arg;
if (periph == NULL) {
printf("ptregister: periph was NULL!!\n");
return(CAM_REQ_CMP_ERR);
}
if (cgd == NULL) {
printf("ptregister: no getdev CCB, can't register device\n");
return(CAM_REQ_CMP_ERR);
}
softc = (struct pt_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
if (softc == NULL) {
printf("daregister: Unable to probe new device. "
"Unable to allocate softc\n");
return(CAM_REQ_CMP_ERR);
}
bzero(softc, sizeof(*softc));
LIST_INIT(&softc->pending_ccbs);
softc->state = PT_STATE_NORMAL;
bioq_init(&softc->bio_queue);
softc->io_timeout = SCSI_PT_DEFAULT_TIMEOUT * 1000;
periph->softc = softc;
devstat_add_entry(&softc->device_stats, "pt",
periph->unit_number, 0,
DEVSTAT_NO_BLOCKSIZE,
SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
DEVSTAT_PRIORITY_OTHER);
softc->dev = make_dev(&pt_cdevsw, periph->unit_number, UID_ROOT,
GID_OPERATOR, 0600, "%s%d", periph->periph_name,
periph->unit_number);
softc->dev->si_drv1 = periph;
/*
* Add async callbacks for bus reset and
* bus device reset calls. I don't bother
* checking if this fails as, in most cases,
* the system will function just fine without
* them and the only alternative would be to
* not attach the device on failure.
*/
xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
csa.ccb_h.func_code = XPT_SASYNC_CB;
csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
csa.callback = ptasync;
csa.callback_arg = periph;
xpt_action((union ccb *)&csa);
/* Tell the user we've attached to the device */
xpt_announce_periph(periph, NULL);
return(CAM_REQ_CMP);
}
void
isp_attach(struct ispsoftc *isp)
{
int primary, secondary;
struct ccb_setasync csa;
struct cam_devq *devq;
struct cam_sim *sim;
struct cam_path *path;
/*
* Establish (in case of 12X0) which bus is the primary.
*/
primary = 0;
secondary = 1;
/*
* Create the device queue for our SIM(s).
*/
devq = cam_simq_alloc(MAXISPREQUEST);
if (devq == NULL) {
return;
}
/*
* Construct our SIM entry.
*/
sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
isp->isp_unit, 1, MAXISPREQUEST, devq);
if (sim == NULL) {
cam_simq_free(devq);
return;
}
if (xpt_bus_register(sim, primary) != CAM_SUCCESS) {
cam_sim_free(sim, TRUE);
return;
}
if (xpt_create_path(&path, NULL, cam_sim_path(sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_bus_deregister(cam_sim_path(sim));
cam_sim_free(sim, TRUE);
return;
}
xpt_setup_ccb(&csa.ccb_h, path, 5);
csa.ccb_h.func_code = XPT_SASYNC_CB;
csa.event_enable = AC_LOST_DEVICE;
csa.callback = isp_cam_async;
csa.callback_arg = sim;
xpt_action((union ccb *)&csa);
isp->isp_sim = sim;
isp->isp_path = path;
/*
* If we have a second channel, construct SIM entry for that.
*/
if (IS_12X0(isp)) {
sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
isp->isp_unit, 1, MAXISPREQUEST, devq);
if (sim == NULL) {
xpt_bus_deregister(cam_sim_path(isp->isp_sim));
xpt_free_path(isp->isp_path);
cam_simq_free(devq);
return;
}
if (xpt_bus_register(sim, secondary) != CAM_SUCCESS) {
xpt_bus_deregister(cam_sim_path(isp->isp_sim));
xpt_free_path(isp->isp_path);
cam_sim_free(sim, TRUE);
return;
}
if (xpt_create_path(&path, NULL, cam_sim_path(sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_bus_deregister(cam_sim_path(isp->isp_sim));
xpt_free_path(isp->isp_path);
xpt_bus_deregister(cam_sim_path(sim));
cam_sim_free(sim, TRUE);
return;
}
xpt_setup_ccb(&csa.ccb_h, path, 5);
csa.ccb_h.func_code = XPT_SASYNC_CB;
csa.event_enable = AC_LOST_DEVICE;
csa.callback = isp_cam_async;
csa.callback_arg = sim;
xpt_action((union ccb *)&csa);
isp->isp_sim2 = sim;
isp->isp_path2 = path;
}
if (isp->isp_state == ISP_INITSTATE)
isp->isp_state = ISP_RUNSTATE;
}
void
isci_io_request_complete(SCI_CONTROLLER_HANDLE_T scif_controller,
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
struct ISCI_IO_REQUEST *isci_request, SCI_IO_STATUS completion_status)
{
struct ISCI_CONTROLLER *isci_controller;
struct ISCI_REMOTE_DEVICE *isci_remote_device;
union ccb *ccb;
isci_controller = (struct ISCI_CONTROLLER *) sci_object_get_association(scif_controller);
isci_remote_device =
(struct ISCI_REMOTE_DEVICE *) sci_object_get_association(remote_device);
ccb = isci_request->ccb;
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
switch (completion_status) {
case SCI_IO_SUCCESS:
case SCI_IO_SUCCESS_COMPLETE_BEFORE_START:
#if __FreeBSD_version >= 900026
if (ccb->ccb_h.func_code == XPT_SMP_IO) {
void *smp_response =
scif_io_request_get_response_iu_address(
isci_request->sci_object);
memcpy(ccb->smpio.smp_response, smp_response,
ccb->smpio.smp_response_len);
}
#endif
ccb->ccb_h.status |= CAM_REQ_CMP;
break;
case SCI_IO_SUCCESS_IO_DONE_EARLY:
ccb->ccb_h.status |= CAM_REQ_CMP;
ccb->csio.resid = ccb->csio.dxfer_len -
scif_io_request_get_number_of_bytes_transferred(
isci_request->sci_object);
break;
case SCI_IO_FAILURE_RESPONSE_VALID:
{
SCI_SSP_RESPONSE_IU_T * response_buffer;
uint32_t sense_length;
int error_code, sense_key, asc, ascq;
struct ccb_scsiio *csio = &ccb->csio;
response_buffer = (SCI_SSP_RESPONSE_IU_T *)
scif_io_request_get_response_iu_address(
isci_request->sci_object);
sense_length = sci_ssp_get_sense_data_length(
response_buffer->sense_data_length);
sense_length = MIN(csio->sense_len, sense_length);
memcpy(&csio->sense_data, response_buffer->data, sense_length);
csio->sense_resid = csio->sense_len - sense_length;
csio->scsi_status = response_buffer->status;
ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
scsi_extract_sense( &csio->sense_data, &error_code, &sense_key,
&asc, &ascq );
isci_log_message(1, "ISCI",
"isci: bus=%x target=%x lun=%x cdb[0]=%x status=%x key=%x asc=%x ascq=%x\n",
ccb->ccb_h.path_id, ccb->ccb_h.target_id,
ccb->ccb_h.target_lun, csio->cdb_io.cdb_bytes[0],
csio->scsi_status, sense_key, asc, ascq);
break;
}
case SCI_IO_FAILURE_REMOTE_DEVICE_RESET_REQUIRED:
isci_remote_device_reset(isci_remote_device, NULL);
/* drop through */
case SCI_IO_FAILURE_TERMINATED:
ccb->ccb_h.status |= CAM_REQ_TERMIO;
isci_log_message(1, "ISCI",
"isci: bus=%x target=%x lun=%x cdb[0]=%x terminated\n",
ccb->ccb_h.path_id, ccb->ccb_h.target_id,
ccb->ccb_h.target_lun, ccb->csio.cdb_io.cdb_bytes[0]);
break;
case SCI_IO_FAILURE_INVALID_STATE:
case SCI_IO_FAILURE_INSUFFICIENT_RESOURCES:
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
isci_remote_device_freeze_lun_queue(isci_remote_device,
ccb->ccb_h.target_lun);
break;
case SCI_IO_FAILURE_INVALID_REMOTE_DEVICE:
ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
break;
case SCI_IO_FAILURE_NO_NCQ_TAG_AVAILABLE:
{
struct ccb_relsim ccb_relsim;
struct cam_path *path;
xpt_create_path(&path, NULL,
cam_sim_path(isci_controller->sim),
isci_remote_device->index, 0);
xpt_setup_ccb(&ccb_relsim.ccb_h, path, 5);
ccb_relsim.ccb_h.func_code = XPT_REL_SIMQ;
ccb_relsim.ccb_h.flags = CAM_DEV_QFREEZE;
ccb_relsim.release_flags = RELSIM_ADJUST_OPENINGS;
ccb_relsim.openings =
scif_remote_device_get_max_queue_depth(remote_device);
xpt_action((union ccb *)&ccb_relsim);
xpt_free_path(path);
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
}
break;
case SCI_IO_FAILURE:
case SCI_IO_FAILURE_REQUIRES_SCSI_ABORT:
case SCI_IO_FAILURE_UNSUPPORTED_PROTOCOL:
case SCI_IO_FAILURE_PROTOCOL_VIOLATION:
case SCI_IO_FAILURE_INVALID_PARAMETER_VALUE:
case SCI_IO_FAILURE_CONTROLLER_SPECIFIC_ERR:
default:
isci_log_message(1, "ISCI",
"isci: bus=%x target=%x lun=%x cdb[0]=%x completion status=%x\n",
ccb->ccb_h.path_id, ccb->ccb_h.target_id,
ccb->ccb_h.target_lun, ccb->csio.cdb_io.cdb_bytes[0],
completion_status);
ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
break;
}
if (ccb->ccb_h.status != CAM_REQ_CMP) {
/* ccb will be completed with some type of non-success
* status. So temporarily freeze the queue until the
* upper layers can act on the status. The CAM_DEV_QFRZN
* flag will then release the queue after the status is
* acted upon.
*/
ccb->ccb_h.status |= CAM_DEV_QFRZN;
xpt_freeze_devq(ccb->ccb_h.path, 1);
}
callout_stop(&isci_request->parent.timer);
bus_dmamap_sync(isci_request->parent.dma_tag,
isci_request->parent.dma_map,
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(isci_request->parent.dma_tag,
isci_request->parent.dma_map);
if (isci_remote_device->frozen_lun_mask != 0 &&
!(ccb->ccb_h.status & CAM_REQUEUE_REQ))
isci_remote_device_release_device_queue(isci_remote_device);
xpt_done(ccb);
isci_request->ccb = NULL;
if (isci_controller->is_frozen == TRUE) {
isci_controller->is_frozen = FALSE;
xpt_release_simq(isci_controller->sim, TRUE);
}
sci_pool_put(isci_controller->request_pool,
(struct ISCI_REQUEST *)isci_request);
}