/*
* 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;
if ((ccb_0 = xpt_alloc_ccb()) == NULL) {
return (ENOMEM);
}
if ((ccb_1 = xpt_alloc_ccb()) == NULL) {
xpt_free_ccb(ccb_0);
return (ENOMEM);
}
mtx_lock(&sc->sim_lock);
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);
mtx_unlock(&sc->sim_lock);
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);
mtx_unlock(&sc->sim_lock);
return (EIO);
}
mtx_unlock(&sc->sim_lock);
xpt_rescan(ccb_0);
xpt_rescan(ccb_1);
return (0);
}
/*
* 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
cfcs_onoffline(void *arg, int online)
{
struct cfcs_softc *softc;
union ccb *ccb;
softc = (struct cfcs_softc *)arg;
mtx_lock(&softc->lock);
softc->online = online;
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
printf("%s: unable to allocate CCB for rescan\n", __func__);
goto bailout;
}
if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
cam_sim_path(softc->sim), CAM_TARGET_WILDCARD,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
printf("%s: can't allocate path for rescan\n", __func__);
xpt_free_ccb(ccb);
goto bailout;
}
xpt_rescan(ccb);
bailout:
mtx_unlock(&softc->lock);
}
/*
* 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 *
nvme_sim_new_ns(struct nvme_namespace *ns, void *sc_arg)
{
struct nvme_sim_softc *sc = sc_arg;
struct nvme_controller *ctrlr = sc->s_ctrlr;
union ccb *ccb;
mtx_lock(&ctrlr->lock);
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
printf("unable to alloc CCB for rescan\n");
return (NULL);
}
if (xpt_create_path(&ccb->ccb_h.path, /*periph*/NULL,
cam_sim_path(sc->s_sim), 0, ns->id) != CAM_REQ_CMP) {
printf("unable to create path for rescan\n");
xpt_free_ccb(ccb);
return (NULL);
}
xpt_rescan(ccb);
mtx_unlock(&ctrlr->lock);
return (ns);
}
static void
scan_callback(struct cam_periph *periph, union ccb *ccb)
{
isc_session_t *sp = (isc_session_t *)ccb->ccb_h.spriv_ptr0;
debug_called(8);
xpt_free_ccb(ccb);
if(sp->flags & ISC_SCANWAIT) {
sp->flags &= ~ISC_SCANWAIT;
wakeup(sp);
}
}
/*
* Use an engineering request to initiate a target scan for devices
* behind a port multiplier.
*
* An asynchronous bus scan is used to avoid reentrancy issues.
*/
static void
ahci_cam_rescan_callback(struct cam_periph *periph, union ccb *ccb)
{
struct ahci_port *ap = ccb->ccb_h.sim_priv.entries[0].ptr;
if (ccb->ccb_h.func_code == XPT_SCAN_BUS) {
ap->ap_flags &= ~AP_F_SCAN_RUNNING;
if (ap->ap_flags & AP_F_SCAN_REQUESTED) {
ap->ap_flags &= ~AP_F_SCAN_REQUESTED;
ahci_cam_rescan(ap);
}
ap->ap_flags |= AP_F_SCAN_COMPLETED;
wakeup(&ap->ap_flags);
}
xpt_free_ccb(ccb);
}
static void
nvme_sim_rescan_target(struct nvme_controller *ctrlr, struct cam_path *path)
{
union ccb *ccb;
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
printf("unable to alloc CCB for rescan\n");
return;
}
if (xpt_clone_path(&ccb->ccb_h.path, path) != CAM_REQ_CMP) {
printf("unable to copy path for rescan\n");
xpt_free_ccb(ccb);
return;
}
xpt_rescan(ccb);
}
int
tws_bus_scan(struct tws_softc *sc)
{
union ccb *ccb;
TWS_TRACE_DEBUG(sc, "entry", sc, 0);
if (!(sc->sim))
return(ENXIO);
ccb = xpt_alloc_ccb();
mtx_lock(&sc->sim_lock);
if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(sc->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
mtx_unlock(&sc->sim_lock);
xpt_free_ccb(ccb);
return(EIO);
}
xpt_rescan(ccb);
mtx_unlock(&sc->sim_lock);
return(0);
}
void
cam_sim_free(struct cam_sim *sim, int free_devq)
{
union ccb *ccb;
int error;
mtx_assert(sim->mtx, MA_OWNED);
sim->refcount--;
if (sim->refcount > 0) {
error = msleep(sim, sim->mtx, PRIBIO, "simfree", 0);
KASSERT(error == 0, ("invalid error value for msleep(9)"));
}
KASSERT(sim->refcount == 0, ("sim->refcount == 0"));
while ((ccb = (union ccb *)SLIST_FIRST(&sim->ccb_freeq)) != NULL) {
SLIST_REMOVE_HEAD(&sim->ccb_freeq, xpt_links.sle);
xpt_free_ccb(ccb);
}
if (free_devq)
cam_simq_free(sim->devq);
free(sim, M_CAMSIM);
}
static void
mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
{
struct mpssas_softc *sassc;
char path_str[64];
sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1;
xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n",
path_str);
if (done_ccb == NULL)
return;
/*
* Nothing more to do except free the CCB and path. If the command
* timed out, an abort reset, then target reset will be issued during
* the SCSI Command process.
*/
xpt_free_path(done_ccb->ccb_h.path);
xpt_free_ccb(done_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);
mtx_lock(sc->sim_lock);
if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(sc->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_free_ccb(ccb);
mtx_unlock(sc->sim_lock);
return(EIO);
}
xpt_rescan(ccb);
mtx_unlock(sc->sim_lock);
return(0);
}
static void
ata_conn_event(void *context, int dummy)
{
device_t dev = (device_t)context;
struct ata_channel *ch = device_get_softc(dev);
union ccb *ccb;
mtx_lock(&ch->state_mtx);
if (ch->sim == NULL) {
mtx_unlock(&ch->state_mtx);
return;
}
ata_reinit(dev);
if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
return;
if (xpt_create_path(&ccb->ccb_h.path, NULL,
cam_sim_path(ch->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_free_ccb(ccb);
return;
}
xpt_rescan(ccb);
mtx_unlock(&ch->state_mtx);
}
static int
cam_compat_handle_0x17(struct cdev *dev, u_long cmd, caddr_t addr, int flag,
struct thread *td, d_ioctl_t *cbfnp)
{
union ccb *ccb;
struct ccb_hdr *hdr;
struct ccb_hdr_0x17 *hdr17;
uint8_t *ccbb, *ccbb17;
u_int error;
hdr17 = (struct ccb_hdr_0x17 *)addr;
ccb = xpt_alloc_ccb();
hdr = &ccb->ccb_h;
hdr->pinfo = hdr17->pinfo;
hdr->xpt_links = hdr17->xpt_links;
hdr->sim_links = hdr17->sim_links;
hdr->periph_links = hdr17->periph_links;
hdr->retry_count = hdr17->retry_count;
hdr->cbfcnp = hdr17->cbfcnp;
hdr->func_code = hdr17->func_code;
hdr->status = hdr17->status;
hdr->path = hdr17->path;
hdr->path_id = hdr17->path_id;
hdr->target_id = hdr17->target_id;
hdr->target_lun = hdr17->target_lun;
hdr->flags = hdr17->flags;
hdr->xflags = 0;
hdr->periph_priv = hdr17->periph_priv;
hdr->sim_priv = hdr17->sim_priv;
hdr->timeout = hdr17->timeout;
hdr->softtimeout.tv_sec = 0;
hdr->softtimeout.tv_usec = 0;
ccbb = (uint8_t *)&hdr[1];
ccbb17 = (uint8_t *)&hdr17[1];
if (ccb->ccb_h.func_code == XPT_SET_TRAN_SETTINGS) {
struct ccb_trans_settings *cts;
struct ccb_trans_settings_0x17 *cts17;
cts = &ccb->cts;
cts17 = (struct ccb_trans_settings_0x17 *)hdr17;
cts->type = cts17->type;
cts->protocol = cts17->protocol;
cts->protocol_version = cts17->protocol_version;
cts->transport = cts17->transport;
cts->transport_version = cts17->transport_version;
bcopy(&cts17->proto_specific, &cts->proto_specific,
sizeof(cts17->proto_specific));
bcopy(&cts17->xport_specific, &cts->xport_specific,
sizeof(cts17->xport_specific));
} else {
bcopy(ccbb17, ccbb, CAM_0X17_DATA_LEN);
}
error = (cbfnp)(dev, cmd, (caddr_t)ccb, flag, td);
hdr17->pinfo = hdr->pinfo;
hdr17->xpt_links = hdr->xpt_links;
hdr17->sim_links = hdr->sim_links;
hdr17->periph_links = hdr->periph_links;
hdr17->retry_count = hdr->retry_count;
hdr17->cbfcnp = hdr->cbfcnp;
hdr17->func_code = hdr->func_code;
hdr17->status = hdr->status;
hdr17->path = hdr->path;
hdr17->path_id = hdr->path_id;
hdr17->target_id = hdr->target_id;
hdr17->target_lun = hdr->target_lun;
hdr17->flags = hdr->flags;
hdr17->periph_priv = hdr->periph_priv;
hdr17->sim_priv = hdr->sim_priv;
hdr17->timeout = hdr->timeout;
if (ccb->ccb_h.func_code == XPT_PATH_INQ) {
struct ccb_pathinq *cpi;
struct ccb_pathinq_0x17 *cpi17;
/* The PATH_INQ only needs special handling on the way out */
cpi = &ccb->cpi;
cpi17 = (struct ccb_pathinq_0x17 *)hdr17;
cpi17->version_num = cpi->version_num;
cpi17->hba_inquiry = cpi->hba_inquiry;
cpi17->target_sprt = (u_int8_t)cpi->target_sprt;
cpi17->hba_misc = (u_int8_t)cpi->hba_misc;
cpi17->hba_eng_cnt = cpi->hba_eng_cnt;
bcopy(&cpi->vuhba_flags[0], &cpi17->vuhba_flags[0], VUHBALEN);
cpi17->max_target = cpi->max_target;
cpi17->max_lun = cpi->max_lun;
cpi17->async_flags = cpi->async_flags;
cpi17->hpath_id = cpi->hpath_id;
cpi17->initiator_id = cpi->initiator_id;
bcopy(&cpi->sim_vid[0], &cpi17->sim_vid[0], SIM_IDLEN);
bcopy(&cpi->hba_vid[0], &cpi17->hba_vid[0], HBA_IDLEN);
bcopy(&cpi->dev_name[0], &cpi17->dev_name[0], DEV_IDLEN);
cpi17->unit_number = cpi->unit_number;
cpi17->bus_id = cpi->bus_id;
cpi17->base_transfer_speed = cpi->base_transfer_speed;
cpi17->protocol = cpi->protocol;
cpi17->protocol_version = cpi->protocol_version;
cpi17->transport = cpi->transport;
cpi17->transport_version = cpi->transport_version;
bcopy(&cpi->xport_specific, &cpi17->xport_specific,
PATHINQ_SETTINGS_SIZE);
cpi17->maxio = cpi->maxio;
cpi17->hba_vendor = cpi->hba_vendor;
cpi17->hba_device = cpi->hba_device;
cpi17->hba_subvendor = cpi->hba_subvendor;
cpi17->hba_subdevice = cpi->hba_subdevice;
} else if (ccb->ccb_h.func_code == XPT_GET_TRAN_SETTINGS) {
struct ccb_trans_settings *cts;
struct ccb_trans_settings_0x17 *cts17;
cts = &ccb->cts;
cts17 = (struct ccb_trans_settings_0x17 *)hdr17;
cts17->type = cts->type;
cts17->protocol = cts->protocol;
cts17->protocol_version = cts->protocol_version;
cts17->transport = cts->transport;
cts17->transport_version = cts->transport_version;
bcopy(&cts->proto_specific, &cts17->proto_specific,
sizeof(cts17->proto_specific));
bcopy(&cts->xport_specific, &cts17->xport_specific,
sizeof(cts17->xport_specific));
} else if (ccb->ccb_h.func_code == XPT_DEV_MATCH) {
/* Copy the rest of the header over */
bcopy(ccbb, ccbb17, CAM_0X17_DATA_LEN);
cam_compat_translate_dev_match_0x18(ccb);
} else {
bcopy(ccbb, ccbb17, CAM_0X17_DATA_LEN);
}
xpt_free_ccb(ccb);
return (error);
}
/*
* 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);
}
/**
* mpssas_SSU_to_SATA_devices
* @sc: per adapter object
*
* Looks through the target list and issues a StartStopUnit SCSI command to each
* SATA direct-access device. This helps to ensure that data corruption is
* avoided when the system is being shut down. This must be called after the IR
* System Shutdown RAID Action is sent if in IR mode.
*
* Return nothing.
*/
static void
mpssas_SSU_to_SATA_devices(struct mps_softc *sc)
{
struct mpssas_softc *sassc = sc->sassc;
union ccb *ccb;
path_id_t pathid = cam_sim_path(sassc->sim);
target_id_t targetid;
struct mpssas_target *target;
char path_str[64];
struct timeval cur_time, start_time;
/*
* For each target, issue a StartStopUnit command to stop the device.
*/
sc->SSU_started = TRUE;
sc->SSU_refcount = 0;
for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
target = &sassc->targets[targetid];
if (target->handle == 0x0) {
continue;
}
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop "
"unit.\n");
return;
}
/*
* The stop_at_shutdown flag will be set if this device is
* a SATA direct-access end device.
*/
if (target->stop_at_shutdown) {
if (xpt_create_path(&ccb->ccb_h.path,
xpt_periph, pathid, targetid,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
mps_dprint(sc, MPS_FAULT, "Unable to create "
"LUN path to stop unit.\n");
xpt_free_ccb(ccb);
return;
}
xpt_path_string(ccb->ccb_h.path, path_str,
sizeof(path_str));
mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s "
"handle %d\n", path_str, target->handle);
/*
* Issue a START STOP UNIT command for the target.
* Increment the SSU counter to be used to count the
* number of required replies.
*/
mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n");
sc->SSU_refcount++;
ccb->ccb_h.target_id =
xpt_path_target_id(ccb->ccb_h.path);
ccb->ccb_h.ppriv_ptr1 = sassc;
scsi_start_stop(&ccb->csio,
/*retries*/0,
mpssas_stop_unit_done,
MSG_SIMPLE_Q_TAG,
/*start*/FALSE,
/*load/eject*/0,
/*immediate*/FALSE,
MPS_SENSE_LEN,
/*timeout*/10000);
xpt_action(ccb);
}
}
/*
* Wait until all of the SSU commands have completed or time has
* expired (60 seconds). Pause for 100ms each time through. If any
* command times out, the target will be reset in the SCSI command
* timeout routine.
*/
getmicrotime(&start_time);
while (sc->SSU_refcount) {
pause("mpswait", hz/10);
getmicrotime(&cur_time);
if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
mps_dprint(sc, MPS_FAULT, "Time has expired waiting "
"for SSU commands to complete.\n");
break;
}
}
}
static void
mrsas_rescan_callback(struct cam_periph *periph, union ccb *ccb)
{
xpt_free_path(ccb->ccb_h.path);
xpt_free_ccb(ccb);
}
static int
cam_compat_handle_0x18(struct cdev *dev, u_long cmd, caddr_t addr, int flag,
struct thread *td, d_ioctl_t *cbfnp)
{
union ccb *ccb;
struct ccb_hdr *hdr;
struct ccb_hdr_0x18 *hdr18;
uint8_t *ccbb, *ccbb18;
u_int error;
hdr18 = (struct ccb_hdr_0x18 *)addr;
ccb = xpt_alloc_ccb();
hdr = &ccb->ccb_h;
hdr->pinfo = hdr18->pinfo;
hdr->xpt_links = hdr18->xpt_links;
hdr->sim_links = hdr18->sim_links;
hdr->periph_links = hdr18->periph_links;
hdr->retry_count = hdr18->retry_count;
hdr->cbfcnp = hdr18->cbfcnp;
hdr->func_code = hdr18->func_code;
hdr->status = hdr18->status;
hdr->path = hdr18->path;
hdr->path_id = hdr18->path_id;
hdr->target_id = hdr18->target_id;
hdr->target_lun = hdr18->target_lun;
if (hdr18->xflags & CAM_EXTLUN_VALID_0x18)
hdr->target_lun = hdr18->ext_lun;
hdr->flags = hdr18->flags;
hdr->xflags = hdr18->xflags;
hdr->periph_priv = hdr18->periph_priv;
hdr->sim_priv = hdr18->sim_priv;
hdr->timeout = hdr18->timeout;
hdr->softtimeout.tv_sec = 0;
hdr->softtimeout.tv_usec = 0;
ccbb = (uint8_t *)&hdr[1];
ccbb18 = (uint8_t *)&hdr18[1];
if (ccb->ccb_h.func_code == XPT_SET_TRAN_SETTINGS) {
struct ccb_trans_settings *cts;
struct ccb_trans_settings_0x18 *cts18;
cts = &ccb->cts;
cts18 = (struct ccb_trans_settings_0x18 *)hdr18;
cts->type = cts18->type;
cts->protocol = cts18->protocol;
cts->protocol_version = cts18->protocol_version;
cts->transport = cts18->transport;
cts->transport_version = cts18->transport_version;
bcopy(&cts18->proto_specific, &cts->proto_specific,
sizeof(cts18->proto_specific));
bcopy(&cts18->xport_specific, &cts->xport_specific,
sizeof(cts18->xport_specific));
} else {
bcopy(ccbb18, ccbb, CAM_0X18_DATA_LEN);
}
error = (cbfnp)(dev, cmd, (caddr_t)ccb, flag, td);
hdr18->pinfo = hdr->pinfo;
hdr18->xpt_links = hdr->xpt_links;
hdr18->sim_links = hdr->sim_links;
hdr18->periph_links = hdr->periph_links;
hdr18->retry_count = hdr->retry_count;
hdr18->cbfcnp = hdr->cbfcnp;
hdr18->func_code = hdr->func_code;
hdr18->status = hdr->status;
hdr18->path = hdr->path;
hdr18->path_id = hdr->path_id;
hdr18->target_id = hdr->target_id;
hdr18->target_lun = hdr->target_lun;
hdr18->ext_lun = hdr->target_lun;
hdr18->flags = hdr->flags;
hdr18->xflags = hdr->xflags | CAM_EXTLUN_VALID_0x18;
hdr18->periph_priv = hdr->periph_priv;
hdr18->sim_priv = hdr->sim_priv;
hdr18->timeout = hdr->timeout;
if (ccb->ccb_h.func_code == XPT_GET_TRAN_SETTINGS) {
struct ccb_trans_settings *cts;
struct ccb_trans_settings_0x18 *cts18;
cts = &ccb->cts;
cts18 = (struct ccb_trans_settings_0x18 *)hdr18;
cts18->type = cts->type;
cts18->protocol = cts->protocol;
cts18->protocol_version = cts->protocol_version;
cts18->transport = cts->transport;
cts18->transport_version = cts->transport_version;
bcopy(&cts->proto_specific, &cts18->proto_specific,
sizeof(cts18->proto_specific));
bcopy(&cts->xport_specific, &cts18->xport_specific,
sizeof(cts18->xport_specific));
} else if (ccb->ccb_h.func_code == XPT_DEV_MATCH) {
bcopy(ccbb, ccbb18, CAM_0X18_DATA_LEN);
cam_compat_translate_dev_match_0x18(ccb);
} else {
bcopy(ccbb, ccbb18, CAM_0X18_DATA_LEN);
}
xpt_free_ccb(ccb);
return (error);
}
