static void
adv_action(struct cam_sim *sim, union ccb *ccb)
{
struct adv_softc *adv;
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("adv_action\n"));
adv = (struct adv_softc *)cam_sim_softc(sim);
switch (ccb->ccb_h.func_code) {
/* Common cases first */
case XPT_SCSI_IO: /* Execute the requested I/O operation */
{
struct ccb_hdr *ccb_h;
struct ccb_scsiio *csio;
struct adv_ccb_info *cinfo;
ccb_h = &ccb->ccb_h;
csio = &ccb->csio;
cinfo = adv_get_ccb_info(adv);
if (cinfo == NULL)
panic("XXX Handle CCB info error!!!");
ccb_h->ccb_cinfo_ptr = cinfo;
cinfo->ccb = ccb;
/* Only use S/G if there is a transfer */
if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) {
/*
* We've been given a pointer
* to a single buffer
*/
if ((ccb_h->flags & CAM_DATA_PHYS) == 0) {
int s;
int error;
s = splsoftvm();
error =
bus_dmamap_load(adv->buffer_dmat,
cinfo->dmamap,
csio->data_ptr,
csio->dxfer_len,
adv_execute_ccb,
csio, /*flags*/0);
if (error == EINPROGRESS) {
/*
* So as to maintain ordering,
* freeze the controller queue
* until our mapping is
* returned.
*/
adv_set_state(adv,
ADV_BUSDMA_BLOCK);
}
splx(s);
} else {
struct bus_dma_segment seg;
/* Pointer to physical buffer */
seg.ds_addr =
(bus_addr_t)csio->data_ptr;
seg.ds_len = csio->dxfer_len;
adv_execute_ccb(csio, &seg, 1, 0);
}
} else {
struct bus_dma_segment *segs;
if ((ccb_h->flags & CAM_DATA_PHYS) != 0)
panic("adv_setup_data - Physical "
"segment pointers unsupported");
if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0)
panic("adv_setup_data - Virtual "
"segment addresses unsupported");
/* Just use the segments provided */
segs = (struct bus_dma_segment *)csio->data_ptr;
adv_execute_ccb(ccb, segs, csio->sglist_cnt, 0);
}
} else {
adv_execute_ccb(ccb, NULL, 0, 0);
}
break;
}
case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
case XPT_TARGET_IO: /* Execute target I/O request */
case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/
case XPT_EN_LUN: /* Enable LUN as a target */
case XPT_ABORT: /* Abort the specified CCB */
/* XXX Implement */
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
#define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS)
#define IS_USER_SETTINGS(c) (c->type == CTS_TYPE_USER_SETTINGS)
case XPT_SET_TRAN_SETTINGS:
{
struct ccb_trans_settings_scsi *scsi;
struct ccb_trans_settings_spi *spi;
struct ccb_trans_settings *cts;
target_bit_vector targ_mask;
struct adv_transinfo *tconf;
u_int update_type;
int s;
cts = &ccb->cts;
targ_mask = ADV_TID_TO_TARGET_MASK(cts->ccb_h.target_id);
update_type = 0;
/*
* The user must specify which type of settings he wishes
* to change.
*/
if (IS_CURRENT_SETTINGS(cts) && !IS_USER_SETTINGS(cts)) {
tconf = &adv->tinfo[cts->ccb_h.target_id].current;
update_type |= ADV_TRANS_GOAL;
} else if (IS_USER_SETTINGS(cts) && !IS_CURRENT_SETTINGS(cts)) {
tconf = &adv->tinfo[cts->ccb_h.target_id].user;
update_type |= ADV_TRANS_USER;
} else {
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
s = splcam();
scsi = &cts->proto_specific.scsi;
spi = &cts->xport_specific.spi;
if ((update_type & ADV_TRANS_GOAL) != 0) {
if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
adv->disc_enable |= targ_mask;
else
adv->disc_enable &= ~targ_mask;
adv_write_lram_8(adv, ADVV_DISC_ENABLE_B,
adv->disc_enable);
}
if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
adv->cmd_qng_enabled |= targ_mask;
else
adv->cmd_qng_enabled &= ~targ_mask;
}
}
if ((update_type & ADV_TRANS_USER) != 0) {
if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
if ((spi->flags & CTS_SPI_VALID_DISC) != 0)
adv->user_disc_enable |= targ_mask;
else
adv->user_disc_enable &= ~targ_mask;
}
if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
adv->user_cmd_qng_enabled |= targ_mask;
else
adv->user_cmd_qng_enabled &= ~targ_mask;
}
}
/*
* If the user specifies either the sync rate, or offset,
* but not both, the unspecified parameter defaults to its
* current value in transfer negotiations.
*/
if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0)
|| ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) {
/*
* If the user provided a sync rate but no offset,
* use the current offset.
*/
if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0)
spi->sync_offset = tconf->offset;
/*
* If the user provided an offset but no sync rate,
* use the current sync rate.
*/
if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0)
spi->sync_period = tconf->period;
adv_period_offset_to_sdtr(adv, &spi->sync_period,
&spi->sync_offset,
cts->ccb_h.target_id);
adv_set_syncrate(adv, /*struct cam_path */NULL,
cts->ccb_h.target_id, spi->sync_period,
spi->sync_offset, update_type);
}
splx(s);
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_GET_TRAN_SETTINGS:
/* Get default/user set transfer settings for the target */
{
struct ccb_trans_settings_scsi *scsi;
struct ccb_trans_settings_spi *spi;
struct ccb_trans_settings *cts;
struct adv_transinfo *tconf;
target_bit_vector target_mask;
int s;
cts = &ccb->cts;
target_mask = ADV_TID_TO_TARGET_MASK(cts->ccb_h.target_id);
scsi = &cts->proto_specific.scsi;
spi = &cts->xport_specific.spi;
cts->protocol = PROTO_SCSI;
cts->protocol_version = SCSI_REV_2;
cts->transport = XPORT_SPI;
cts->transport_version = 2;
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
s = splcam();
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
tconf = &adv->tinfo[cts->ccb_h.target_id].current;
if ((adv->disc_enable & target_mask) != 0)
spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
if ((adv->cmd_qng_enabled & target_mask) != 0)
scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
} else {
tconf = &adv->tinfo[cts->ccb_h.target_id].user;
if ((adv->user_disc_enable & target_mask) != 0)
spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
if ((adv->user_cmd_qng_enabled & target_mask) != 0)
scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
}
spi->sync_period = tconf->period;
spi->sync_offset = tconf->offset;
splx(s);
spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
spi->valid = CTS_SPI_VALID_SYNC_RATE
| CTS_SPI_VALID_SYNC_OFFSET
| CTS_SPI_VALID_BUS_WIDTH
| CTS_SPI_VALID_DISC;
scsi->valid = CTS_SCSI_VALID_TQ;
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_CALC_GEOMETRY:
{
int extended;
extended = (adv->control & ADV_CNTL_BIOS_GT_1GB) != 0;
cam_calc_geometry(&ccb->ccg, extended);
xpt_done(ccb);
break;
}
case XPT_RESET_BUS: /* Reset the specified SCSI bus */
{
int s;
s = splcam();
adv_stop_execution(adv);
adv_reset_bus(adv, /*initiate_reset*/TRUE);
adv_start_execution(adv);
splx(s);
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_TERM_IO: /* Terminate the I/O process */
/* XXX Implement */
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
case XPT_PATH_INQ: /* Path routing inquiry */
{
struct ccb_pathinq *cpi = &ccb->cpi;
cpi->version_num = 1; /* XXX??? */
cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
cpi->target_sprt = 0;
cpi->hba_misc = 0;
cpi->hba_eng_cnt = 0;
cpi->max_target = 7;
cpi->max_lun = 7;
cpi->initiator_id = adv->scsi_id;
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 3300;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "Advansys", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = cam_sim_unit(sim);
cpi->ccb_h.status = CAM_REQ_CMP;
cpi->transport = XPORT_SPI;
cpi->transport_version = 2;
cpi->protocol = PROTO_SCSI;
cpi->protocol_version = SCSI_REV_2;
xpt_done(ccb);
break;
}
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}
/**
* mrsas_action: SIM callback entry point
* input: pointer to SIM
* pointer to CAM Control Block
*
* This function processes CAM subsystem requests. The type of request is
* stored in ccb->ccb_h.func_code. The preprocessor #ifdef is necessary
* because ccb->cpi.maxio is not supported for FreeBSD version 7.4 or
* earlier.
*/
static void mrsas_action(struct cam_sim *sim, union ccb *ccb)
{
struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
u_int32_t device_id;
switch (ccb->ccb_h.func_code) {
case XPT_SCSI_IO:
{
device_id = ccb_h->target_id;
/*
* bus 0 is LD, bus 1 is for system-PD
*/
if (cam_sim_bus(sim) == 1 &&
sc->pd_list[device_id].driveState != MR_PD_STATE_SYSTEM) {
ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
xpt_done(ccb);
}
else {
if (mrsas_startio(sc, sim, ccb)){
ccb->ccb_h.status |= CAM_REQ_INVALID;
xpt_done(ccb);
}
}
break;
}
case XPT_ABORT:
{
ccb->ccb_h.status = CAM_UA_ABORT;
xpt_done(ccb);
break;
}
case XPT_RESET_BUS:
{
xpt_done(ccb);
break;
}
case XPT_GET_TRAN_SETTINGS:
{
ccb->cts.protocol = PROTO_SCSI;
ccb->cts.protocol_version = SCSI_REV_2;
ccb->cts.transport = XPORT_SPI;
ccb->cts.transport_version = 2;
ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC;
ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB;
ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_SET_TRAN_SETTINGS:
{
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
xpt_done(ccb);
break;
}
case XPT_CALC_GEOMETRY:
{
cam_calc_geometry(&ccb->ccg, 1);
xpt_done(ccb);
break;
}
case XPT_PATH_INQ:
{
ccb->cpi.version_num = 1;
ccb->cpi.hba_inquiry = 0;
ccb->cpi.target_sprt = 0;
ccb->cpi.hba_misc = 0;
ccb->cpi.hba_eng_cnt = 0;
ccb->cpi.max_lun = MRSAS_SCSI_MAX_LUNS;
ccb->cpi.unit_number = cam_sim_unit(sim);
ccb->cpi.bus_id = cam_sim_bus(sim);
ccb->cpi.initiator_id = MRSAS_SCSI_INITIATOR_ID;
ccb->cpi.base_transfer_speed = 150000;
strncpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(ccb->cpi.hba_vid, "LSI", HBA_IDLEN);
strncpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN);
ccb->cpi.transport = XPORT_SPI;
ccb->cpi.transport_version = 2;
ccb->cpi.protocol = PROTO_SCSI;
ccb->cpi.protocol_version = SCSI_REV_2;
if (ccb->cpi.bus_id == 0)
ccb->cpi.max_target = MRSAS_MAX_LD-1;
else
ccb->cpi.max_target = MRSAS_MAX_PD-1;
ccb->cpi.maxio = MRSAS_MAX_IO_SIZE;
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
default:
{
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}
}
void isci_action(struct cam_sim *sim, union ccb *ccb)
{
struct ISCI_CONTROLLER *controller =
(struct ISCI_CONTROLLER *)cam_sim_softc(sim);
switch ( ccb->ccb_h.func_code ) {
case XPT_PATH_INQ:
{
struct ccb_pathinq *cpi = &ccb->cpi;
int bus = cam_sim_bus(sim);
ccb->ccb_h.ccb_sim_ptr = sim;
cpi->version_num = 1;
cpi->hba_inquiry = PI_TAG_ABLE;
cpi->target_sprt = 0;
cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN;
cpi->hba_eng_cnt = 0;
cpi->max_target = SCI_MAX_REMOTE_DEVICES - 1;
cpi->max_lun = ISCI_MAX_LUN;
#if __FreeBSD_version >= 800102
cpi->maxio = isci_io_request_get_max_io_size();
#endif
cpi->unit_number = cam_sim_unit(sim);
cpi->bus_id = bus;
cpi->initiator_id = SCI_MAX_REMOTE_DEVICES;
cpi->base_transfer_speed = 300000;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->transport = XPORT_SAS;
cpi->transport_version = 0;
cpi->protocol = PROTO_SCSI;
cpi->protocol_version = SCSI_REV_SPC2;
cpi->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
}
break;
case XPT_GET_TRAN_SETTINGS:
{
struct ccb_trans_settings *general_settings = &ccb->cts;
struct ccb_trans_settings_sas *sas_settings =
&general_settings->xport_specific.sas;
struct ccb_trans_settings_scsi *scsi_settings =
&general_settings->proto_specific.scsi;
struct ISCI_REMOTE_DEVICE *remote_device;
remote_device = controller->remote_device[ccb->ccb_h.target_id];
if (remote_device == NULL) {
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
xpt_done(ccb);
break;
}
general_settings->protocol = PROTO_SCSI;
general_settings->transport = XPORT_SAS;
general_settings->protocol_version = SCSI_REV_SPC2;
general_settings->transport_version = 0;
scsi_settings->valid = CTS_SCSI_VALID_TQ;
scsi_settings->flags = CTS_SCSI_FLAGS_TAG_ENB;
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
ccb->ccb_h.status |= CAM_REQ_CMP;
sas_settings->bitrate =
isci_remote_device_get_bitrate(remote_device);
if (sas_settings->bitrate != 0)
sas_settings->valid = CTS_SAS_VALID_SPEED;
xpt_done(ccb);
}
break;
case XPT_SCSI_IO:
isci_io_request_execute_scsi_io(ccb, controller);
break;
#if __FreeBSD_version >= 900026
case XPT_SMP_IO:
isci_io_request_execute_smp_io(ccb, controller);
break;
#endif
case XPT_SET_TRAN_SETTINGS:
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
ccb->ccb_h.status |= CAM_REQ_CMP;
xpt_done(ccb);
break;
case XPT_CALC_GEOMETRY:
cam_calc_geometry(&ccb->ccg, /*extended*/1);
xpt_done(ccb);
break;
case XPT_RESET_DEV:
{
struct ISCI_REMOTE_DEVICE *remote_device =
controller->remote_device[ccb->ccb_h.target_id];
if (remote_device != NULL)
isci_remote_device_reset(remote_device, ccb);
else {
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
xpt_done(ccb);
}
}
break;
case XPT_RESET_BUS:
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
default:
isci_log_message(0, "ISCI", "Unhandled func_code 0x%x\n",
ccb->ccb_h.func_code);
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
ccb->ccb_h.status |= CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}
void
cfcs_action(struct cam_sim *sim, union ccb *ccb)
{
struct cfcs_softc *softc;
int err;
softc = (struct cfcs_softc *)cam_sim_softc(sim);
mtx_assert(&softc->lock, MA_OWNED);
switch (ccb->ccb_h.func_code) {
case XPT_SCSI_IO: {
union ctl_io *io;
struct ccb_scsiio *csio;
csio = &ccb->csio;
/*
* Catch CCB flags, like physical address flags, that
* indicate situations we currently can't handle.
*/
if (ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS) {
ccb->ccb_h.status = CAM_REQ_INVALID;
printf("%s: bad CCB flags %#x (all flags %#x)\n",
__func__, ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS,
ccb->ccb_h.flags);
xpt_done(ccb);
return;
}
/*
* If we aren't online, there are no devices to see.
*/
if (softc->online == 0) {
ccb->ccb_h.status = CAM_DEV_NOT_THERE;
xpt_done(ccb);
return;
}
io = ctl_alloc_io(softc->fe.ctl_pool_ref);
if (io == NULL) {
printf("%s: can't allocate ctl_io\n", __func__);
ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
xpt_freeze_devq(ccb->ccb_h.path, 1);
xpt_done(ccb);
return;
}
ctl_zero_io(io);
/* Save pointers on both sides */
io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
ccb->ccb_h.io_ptr = io;
/*
* Only SCSI I/O comes down this path, resets, etc. come
* down via the XPT_RESET_BUS/LUN CCBs below.
*/
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.nexus.initid.id = 1;
io->io_hdr.nexus.targ_port = softc->fe.targ_port;
/*
* XXX KDM how do we handle target IDs?
*/
io->io_hdr.nexus.targ_target.id = ccb->ccb_h.target_id;
io->io_hdr.nexus.targ_lun = ccb->ccb_h.target_lun;
/*
* This tag scheme isn't the best, since we could in theory
* have a very long-lived I/O and tag collision, especially
* in a high I/O environment. But it should work well
* enough for now. Since we're using unsigned ints,
* they'll just wrap around.
*/
io->scsiio.tag_num = softc->cur_tag_num++;
csio->tag_id = io->scsiio.tag_num;
switch (csio->tag_action) {
case CAM_TAG_ACTION_NONE:
io->scsiio.tag_type = CTL_TAG_UNTAGGED;
break;
case MSG_SIMPLE_TASK:
io->scsiio.tag_type = CTL_TAG_SIMPLE;
break;
case MSG_HEAD_OF_QUEUE_TASK:
io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
break;
case MSG_ORDERED_TASK:
io->scsiio.tag_type = CTL_TAG_ORDERED;
break;
case MSG_ACA_TASK:
io->scsiio.tag_type = CTL_TAG_ACA;
break;
default:
io->scsiio.tag_type = CTL_TAG_UNTAGGED;
printf("%s: unhandled tag type %#x!!\n", __func__,
csio->tag_action);
break;
}
if (csio->cdb_len > sizeof(io->scsiio.cdb)) {
printf("%s: WARNING: CDB len %d > ctl_io space %zd\n",
__func__, csio->cdb_len, sizeof(io->scsiio.cdb));
}
io->scsiio.cdb_len = min(csio->cdb_len, sizeof(io->scsiio.cdb));
bcopy(csio->cdb_io.cdb_bytes, io->scsiio.cdb,
io->scsiio.cdb_len);
err = ctl_queue(io);
if (err != CTL_RETVAL_COMPLETE) {
printf("%s: func %d: error %d returned by "
"ctl_queue()!\n", __func__,
ccb->ccb_h.func_code, err);
ctl_free_io(io);
} else {
ccb->ccb_h.status |= CAM_SIM_QUEUED;
}
break;
}
case XPT_ABORT: {
union ctl_io *io;
union ccb *abort_ccb;
abort_ccb = ccb->cab.abort_ccb;
if (abort_ccb->ccb_h.func_code != XPT_SCSI_IO) {
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
}
/*
* If we aren't online, there are no devices to talk to.
*/
if (softc->online == 0) {
ccb->ccb_h.status = CAM_DEV_NOT_THERE;
xpt_done(ccb);
return;
}
io = ctl_alloc_io(softc->fe.ctl_pool_ref);
if (io == NULL) {
ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
xpt_freeze_devq(ccb->ccb_h.path, 1);
xpt_done(ccb);
return;
}
ctl_zero_io(io);
/* Save pointers on both sides */
io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
ccb->ccb_h.io_ptr = io;
io->io_hdr.io_type = CTL_IO_TASK;
io->io_hdr.nexus.initid.id = 1;
io->io_hdr.nexus.targ_port = softc->fe.targ_port;
io->io_hdr.nexus.targ_target.id = ccb->ccb_h.target_id;
io->io_hdr.nexus.targ_lun = ccb->ccb_h.target_lun;
io->taskio.task_action = CTL_TASK_ABORT_TASK;
io->taskio.tag_num = abort_ccb->csio.tag_id;
switch (abort_ccb->csio.tag_action) {
case CAM_TAG_ACTION_NONE:
io->taskio.tag_type = CTL_TAG_UNTAGGED;
break;
case MSG_SIMPLE_TASK:
io->taskio.tag_type = CTL_TAG_SIMPLE;
break;
case MSG_HEAD_OF_QUEUE_TASK:
io->taskio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
break;
case MSG_ORDERED_TASK:
io->taskio.tag_type = CTL_TAG_ORDERED;
break;
case MSG_ACA_TASK:
io->taskio.tag_type = CTL_TAG_ACA;
break;
default:
io->taskio.tag_type = CTL_TAG_UNTAGGED;
printf("%s: unhandled tag type %#x!!\n", __func__,
abort_ccb->csio.tag_action);
break;
}
err = ctl_queue(io);
if (err != CTL_RETVAL_COMPLETE) {
printf("%s func %d: error %d returned by "
"ctl_queue()!\n", __func__,
ccb->ccb_h.func_code, err);
ctl_free_io(io);
}
break;
}
case XPT_GET_TRAN_SETTINGS: {
struct ccb_trans_settings *cts;
struct ccb_trans_settings_scsi *scsi;
struct ccb_trans_settings_fc *fc;
cts = &ccb->cts;
scsi = &cts->proto_specific.scsi;
fc = &cts->xport_specific.fc;
cts->protocol = PROTO_SCSI;
cts->protocol_version = SCSI_REV_SPC2;
cts->transport = XPORT_FC;
cts->transport_version = 0;
scsi->valid = CTS_SCSI_VALID_TQ;
scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
fc->valid = CTS_FC_VALID_SPEED;
fc->bitrate = 800000;
fc->wwnn = softc->wwnn;
fc->wwpn = softc->wwpn;
fc->port = softc->fe.targ_port;
fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN |
CTS_FC_VALID_PORT;
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_SET_TRAN_SETTINGS:
/* XXX KDM should we actually do something here? */
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_RESET_BUS:
case XPT_RESET_DEV: {
union ctl_io *io;
/*
* If we aren't online, there are no devices to talk to.
*/
if (softc->online == 0) {
ccb->ccb_h.status = CAM_DEV_NOT_THERE;
xpt_done(ccb);
return;
}
io = ctl_alloc_io(softc->fe.ctl_pool_ref);
if (io == NULL) {
ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
xpt_freeze_devq(ccb->ccb_h.path, 1);
xpt_done(ccb);
return;
}
ctl_zero_io(io);
/* Save pointers on both sides */
io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
ccb->ccb_h.io_ptr = io;
io->io_hdr.io_type = CTL_IO_TASK;
io->io_hdr.nexus.initid.id = 0;
io->io_hdr.nexus.targ_port = softc->fe.targ_port;
io->io_hdr.nexus.targ_target.id = ccb->ccb_h.target_id;
io->io_hdr.nexus.targ_lun = ccb->ccb_h.target_lun;
if (ccb->ccb_h.func_code == XPT_RESET_BUS)
io->taskio.task_action = CTL_TASK_BUS_RESET;
else
io->taskio.task_action = CTL_TASK_LUN_RESET;
err = ctl_queue(io);
if (err != CTL_RETVAL_COMPLETE) {
printf("%s func %d: error %d returned by "
"ctl_queue()!\n", __func__,
ccb->ccb_h.func_code, err);
ctl_free_io(io);
}
break;
}
case XPT_CALC_GEOMETRY:
cam_calc_geometry(&ccb->ccg, 1);
xpt_done(ccb);
break;
case XPT_PATH_INQ: {
struct ccb_pathinq *cpi;
cpi = &ccb->cpi;
cpi->version_num = 0;
cpi->hba_inquiry = PI_TAG_ABLE;
cpi->target_sprt = 0;
cpi->hba_misc = 0;
cpi->hba_eng_cnt = 0;
cpi->max_target = 1;
cpi->max_lun = 1024;
/* Do we really have a limit? */
cpi->maxio = 1024 * 1024;
cpi->async_flags = 0;
cpi->hpath_id = 0;
cpi->initiator_id = 0;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "FreeBSD", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = 0;
cpi->bus_id = 0;
cpi->base_transfer_speed = 800000;
cpi->protocol = PROTO_SCSI;
cpi->protocol_version = SCSI_REV_SPC2;
/*
* Pretend to be Fibre Channel.
*/
cpi->transport = XPORT_FC;
cpi->transport_version = 0;
cpi->xport_specific.fc.wwnn = softc->wwnn;
cpi->xport_specific.fc.wwpn = softc->wwpn;
cpi->xport_specific.fc.port = softc->fe.targ_port;
cpi->xport_specific.fc.bitrate = 8 * 1000 * 1000;
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
default:
ccb->ccb_h.status = CAM_PROVIDE_FAIL;
printf("%s: unsupported CCB type %#x\n", __func__,
ccb->ccb_h.func_code);
xpt_done(ccb);
break;
}
}
/*
* Action function - dispatch command
*/
static
void
ahci_xpt_action(struct cam_sim *sim, union ccb *ccb)
{
struct ahci_port *ap;
struct ata_port *at, *atx;
struct ccb_hdr *ccbh;
int unit;
/* XXX lock */
ap = cam_sim_softc(sim);
atx = NULL;
KKASSERT(ap != NULL);
ccbh = &ccb->ccb_h;
unit = cam_sim_unit(sim);
/*
* Early failure checks. These checks do not apply to XPT_PATH_INQ,
* otherwise the bus rescan will not remove the dead devices when
* unplugging a PM.
*
* For non-wildcards we have one target (0) and one lun (0),
* unless we have a port multiplier.
*
* A wildcard target indicates only the general bus is being
* probed.
*
* Calculate at and atx. at is always non-NULL. atx is only
* NULL for direct-attached devices. It will be non-NULL for
* devices behind a port multiplier.
*
* XXX What do we do with a LUN wildcard?
*/
if (ccbh->target_id != CAM_TARGET_WILDCARD &&
ccbh->func_code != XPT_PATH_INQ) {
if (ap->ap_type == ATA_PORT_T_NONE) {
ccbh->status = CAM_DEV_NOT_THERE;
xpt_done(ccb);
return;
}
if (ccbh->target_id < 0 || ccbh->target_id >= ap->ap_pmcount) {
ccbh->status = CAM_DEV_NOT_THERE;
xpt_done(ccb);
return;
}
at = ap->ap_ata[ccbh->target_id];
if (ap->ap_type == ATA_PORT_T_PM)
atx = at;
if (ccbh->target_lun != CAM_LUN_WILDCARD && ccbh->target_lun) {
ccbh->status = CAM_DEV_NOT_THERE;
xpt_done(ccb);
return;
}
} else {
at = ap->ap_ata[0];
}
/*
* Switch on the meta XPT command
*/
switch(ccbh->func_code) {
case XPT_ENG_EXEC:
/*
* This routine is called after a port multiplier has been
* probed.
*/
ccbh->status = CAM_REQ_CMP;
ahci_os_lock_port(ap);
ahci_port_state_machine(ap, 0);
ahci_os_unlock_port(ap);
xpt_done(ccb);
ahci_xpt_rescan(ap);
break;
case XPT_PATH_INQ:
/*
* This command always succeeds, otherwise the bus scan
* will not detach dead devices.
*/
ccb->cpi.version_num = 1;
ccb->cpi.hba_inquiry = 0;
ccb->cpi.target_sprt = 0;
ccb->cpi.hba_misc = PIM_SEQSCAN;
ccb->cpi.hba_eng_cnt = 0;
bzero(ccb->cpi.vuhba_flags, sizeof(ccb->cpi.vuhba_flags));
ccb->cpi.max_target = AHCI_MAX_PMPORTS - 1;
ccb->cpi.max_lun = 0;
ccb->cpi.async_flags = 0;
ccb->cpi.hpath_id = 0;
ccb->cpi.initiator_id = AHCI_MAX_PMPORTS - 1;
ccb->cpi.unit_number = cam_sim_unit(sim);
ccb->cpi.bus_id = cam_sim_bus(sim);
ccb->cpi.base_transfer_speed = 150000;
ccb->cpi.transport = XPORT_SATA;
ccb->cpi.transport_version = 1;
ccb->cpi.protocol = PROTO_SCSI;
ccb->cpi.protocol_version = SCSI_REV_2;
ccbh->status = CAM_REQ_CMP;
if (ccbh->target_id == CAM_TARGET_WILDCARD) {
ahci_os_lock_port(ap);
ahci_port_state_machine(ap, 0);
ahci_os_unlock_port(ap);
} else {
switch(ahci_pread(ap, AHCI_PREG_SSTS) &
AHCI_PREG_SSTS_SPD) {
case AHCI_PREG_SSTS_SPD_GEN1:
ccb->cpi.base_transfer_speed = 150000;
break;
case AHCI_PREG_SSTS_SPD_GEN2:
ccb->cpi.base_transfer_speed = 300000;
break;
case AHCI_PREG_SSTS_SPD_GEN3:
ccb->cpi.base_transfer_speed = 600000;
break;
default:
/* unknown */
ccb->cpi.base_transfer_speed = 1000;
break;
}
#if 0
if (ap->ap_type == ATA_PORT_T_NONE)
ccbh->status = CAM_DEV_NOT_THERE;
#endif
}
xpt_done(ccb);
break;
case XPT_RESET_DEV:
ahci_os_lock_port(ap);
if (ap->ap_type == ATA_PORT_T_NONE) {
ccbh->status = CAM_DEV_NOT_THERE;
} else {
ahci_port_reset(ap, atx, 0);
ccbh->status = CAM_REQ_CMP;
}
ahci_os_unlock_port(ap);
xpt_done(ccb);
break;
case XPT_RESET_BUS:
ahci_os_lock_port(ap);
ahci_port_reset(ap, NULL, 1);
ahci_os_unlock_port(ap);
ccbh->status = CAM_REQ_CMP;
xpt_done(ccb);
break;
case XPT_SET_TRAN_SETTINGS:
ccbh->status = CAM_FUNC_NOTAVAIL;
xpt_done(ccb);
break;
case XPT_GET_TRAN_SETTINGS:
ccb->cts.protocol = PROTO_SCSI;
ccb->cts.protocol_version = SCSI_REV_2;
ccb->cts.transport = XPORT_SATA;
ccb->cts.transport_version = XPORT_VERSION_UNSPECIFIED;
ccb->cts.proto_specific.valid = 0;
ccb->cts.xport_specific.valid = 0;
ccbh->status = CAM_REQ_CMP;
xpt_done(ccb);
break;
case XPT_CALC_GEOMETRY:
cam_calc_geometry(&ccb->ccg, 1);
xpt_done(ccb);
break;
case XPT_SCSI_IO:
/*
* Our parallel startup code might have only probed through
* to the IDENT, so do the last step if necessary.
*/
if (at->at_probe == ATA_PROBE_NEED_IDENT)
ahci_cam_probe(ap, atx);
if (at->at_probe != ATA_PROBE_GOOD) {
ccbh->status = CAM_DEV_NOT_THERE;
xpt_done(ccb);
break;
}
switch(at->at_type) {
case ATA_PORT_T_DISK:
ahci_xpt_scsi_disk_io(ap, atx, ccb);
break;
case ATA_PORT_T_ATAPI:
ahci_xpt_scsi_atapi_io(ap, atx, ccb);
break;
default:
ccbh->status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
break;
case XPT_TRIM:
{
scsi_cdb_t cdb;
struct ccb_scsiio *csio;
csio = &ccb->csio;
cdb = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
cdb->generic.opcode = TRIM;
ahci_xpt_scsi_disk_io(ap, atx, ccb);
break;
}
default:
ccbh->status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}
/*
* Function name: twa_action
* Description: Driver entry point for CAM's use.
*
* Input: sim -- sim corresponding to the ctlr
* ccb -- ptr to CAM request
* Output: None
* Return value: None
*/
TW_VOID
twa_action(struct cam_sim *sim, union ccb *ccb)
{
struct twa_softc *sc = (struct twa_softc *)cam_sim_softc(sim);
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
switch (ccb_h->func_code) {
case XPT_SCSI_IO: /* SCSI I/O */
{
struct tw_osli_req_context *req;
req = tw_osli_get_request(sc);
if (req == NULL) {
tw_osli_dbg_dprintf(2, sc, "Cannot get request pkt.");
/*
* Freeze the simq to maintain ccb ordering. The next
* ccb that gets completed will unfreeze the simq.
*/
ccb_h->status &= ~CAM_SIM_QUEUED;
ccb_h->status |= CAM_REQUEUE_REQ;
xpt_done(ccb);
break;
}
if ((tw_cl_is_reset_needed(&(req->ctlr->ctlr_handle)))) {
ccb_h->status &= ~CAM_SIM_QUEUED;
ccb_h->status |= CAM_REQUEUE_REQ;
xpt_done(ccb);
tw_osli_req_q_insert_tail(req, TW_OSLI_FREE_Q);
break;
}
req->req_handle.osl_req_ctxt = req;
req->req_handle.is_io = TW_CL_TRUE;
req->orig_req = ccb;
if (tw_osli_execute_scsi(req, ccb))
tw_osli_req_q_insert_tail(req, TW_OSLI_FREE_Q);
break;
}
case XPT_ABORT:
tw_osli_dbg_dprintf(2, sc, "Abort request.");
ccb_h->status = CAM_UA_ABORT;
xpt_done(ccb);
break;
case XPT_RESET_BUS:
tw_cl_create_event(&(sc->ctlr_handle), TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_FREEBSD_DRIVER,
0x2108, 0x3, TW_CL_SEVERITY_INFO_STRING,
"Received Reset Bus request from CAM",
" ");
tw_cl_set_reset_needed(&(sc->ctlr_handle));
ccb_h->status = CAM_REQ_CMP;
xpt_done(ccb);
break;
case XPT_SET_TRAN_SETTINGS:
tw_osli_dbg_dprintf(3, sc, "XPT_SET_TRAN_SETTINGS");
/*
* This command is not supported, since it's very specific
* to SCSI, and we are doing ATA.
*/
ccb_h->status = CAM_FUNC_NOTAVAIL;
xpt_done(ccb);
break;
case XPT_GET_TRAN_SETTINGS:
{
struct ccb_trans_settings *cts = &ccb->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;
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;
tw_osli_dbg_dprintf(3, sc, "XPT_GET_TRAN_SETTINGS");
ccb_h->status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_CALC_GEOMETRY:
tw_osli_dbg_dprintf(3, sc, "XPT_CALC_GEOMETRY");
cam_calc_geometry(&ccb->ccg, 1/* extended */);
xpt_done(ccb);
break;
case XPT_PATH_INQ: /* Path inquiry -- get twa properties */
{
struct ccb_pathinq *path_inq = &ccb->cpi;
tw_osli_dbg_dprintf(3, sc, "XPT_PATH_INQ request");
path_inq->version_num = 1;
path_inq->hba_inquiry = 0;
path_inq->target_sprt = 0;
path_inq->hba_misc = 0;
path_inq->hba_eng_cnt = 0;
path_inq->max_target = TW_CL_MAX_NUM_UNITS;
path_inq->max_lun = TW_CL_MAX_NUM_LUNS - 1;
path_inq->unit_number = cam_sim_unit(sim);
path_inq->bus_id = cam_sim_bus(sim);
path_inq->initiator_id = TW_CL_MAX_NUM_UNITS;
path_inq->base_transfer_speed = 100000;
strlcpy(path_inq->sim_vid, "FreeBSD", SIM_IDLEN);
strlcpy(path_inq->hba_vid, "3ware", HBA_IDLEN);
strlcpy(path_inq->dev_name, cam_sim_name(sim), DEV_IDLEN);
path_inq->transport = XPORT_SPI;
path_inq->transport_version = 2;
path_inq->protocol = PROTO_SCSI;
path_inq->protocol_version = SCSI_REV_2;
path_inq->maxio = TW_CL_MAX_IO_SIZE;
ccb_h->status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
default:
tw_osli_dbg_dprintf(3, sc, "func_code = %x", ccb_h->func_code);
ccb_h->status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}
static void hpt_action(struct cam_sim *sim, union ccb *ccb)
{
PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
hpt_assert_vbus_locked(vbus_ext);
switch (ccb->ccb_h.func_code) {
case XPT_SCSI_IO:
hpt_scsi_io(vbus_ext, ccb);
return;
case XPT_RESET_BUS:
ldm_reset_vbus((PVBUS)vbus_ext->vbus);
break;
case XPT_GET_TRAN_SETTINGS:
case XPT_SET_TRAN_SETTINGS:
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
break;
case XPT_CALC_GEOMETRY:
cam_calc_geometry(&ccb->ccg, 1);
break;
case XPT_PATH_INQ:
{
struct ccb_pathinq *cpi = &ccb->cpi;
cpi->version_num = 1;
cpi->hba_inquiry = PI_SDTR_ABLE;
cpi->target_sprt = 0;
cpi->hba_misc = PIM_NOBUSRESET;
cpi->hba_eng_cnt = 0;
cpi->max_target = osm_max_targets;
cpi->max_lun = 0;
cpi->unit_number = cam_sim_unit(sim);
cpi->bus_id = cam_sim_bus(sim);
cpi->initiator_id = osm_max_targets;
cpi->base_transfer_speed = 3300;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->transport = XPORT_SPI;
cpi->transport_version = 2;
cpi->protocol = PROTO_SCSI;
cpi->protocol_version = SCSI_REV_2;
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
xpt_done(ccb);
return;
}
/***********************************************************************
* Handle a request for action from CAM
*/
static void
amr_cam_action(struct cam_sim *sim, union ccb *ccb)
{
struct amr_softc *sc = cam_sim_softc(sim);
switch(ccb->ccb_h.func_code) {
/*
* Perform SCSI I/O to a physical device.
*/
case XPT_SCSI_IO:
{
struct ccb_hdr *ccbh = &ccb->ccb_h;
struct ccb_scsiio *csio = &ccb->csio;
/* Validate the CCB */
ccbh->status = CAM_REQ_INPROG;
/* check the CDB length */
if (csio->cdb_len > AMR_MAX_EXTCDB_LEN)
ccbh->status = CAM_REQ_INVALID;
if ((csio->cdb_len > AMR_MAX_CDB_LEN) &&
(sc->support_ext_cdb == 0))
ccbh->status = CAM_REQ_INVALID;
/* check that the CDB pointer is not to a physical address */
if ((ccbh->flags & CAM_CDB_POINTER) &&
(ccbh->flags & CAM_CDB_PHYS))
ccbh->status = CAM_REQ_INVALID;
/*
* if there is data transfer, it must be to/from a virtual
* address
*/
if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if (ccbh->flags & CAM_DATA_PHYS)
/* we can't map it */
ccbh->status = CAM_REQ_INVALID;
if (ccbh->flags & CAM_SCATTER_VALID)
/* we want to do the s/g setup */
ccbh->status = CAM_REQ_INVALID;
}
/*
* If the command is to a LUN other than 0, fail it.
* This is probably incorrect, but during testing the
* firmware did not seem to respect the LUN field, and thus
* devices appear echoed.
*/
if (csio->ccb_h.target_lun != 0)
ccbh->status = CAM_DEV_NOT_THERE;
/* if we're happy with the request, queue it for attention */
if (ccbh->status == CAM_REQ_INPROG) {
/* save the channel number in the ccb */
csio->ccb_h.sim_priv.entries[0].field= cam_sim_bus(sim);
amr_enqueue_ccb(sc, ccb);
amr_startio(sc);
return;
}
break;
}
case XPT_CALC_GEOMETRY:
{
cam_calc_geometry(&ccb->ccg, /*extended*/1);
break;
}
/*
* Return path stats. Some of these should probably be amended.
*/
case XPT_PATH_INQ:
{
struct ccb_pathinq *cpi = & ccb->cpi;
debug(3, "XPT_PATH_INQ");
cpi->version_num = 1; /* XXX??? */
cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
cpi->target_sprt = 0;
cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN;
cpi->hba_eng_cnt = 0;
cpi->max_target = AMR_MAX_TARGETS;
cpi->max_lun = 0 /* AMR_MAX_LUNS*/;
cpi->initiator_id = 7; /* XXX variable? */
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = cam_sim_unit(sim);
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 132 * 1024; /* XXX */
cpi->transport = XPORT_SPI;
cpi->transport_version = 2;
cpi->protocol = PROTO_SCSI;
cpi->protocol_version = SCSI_REV_2;
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_RESET_BUS:
{
struct ccb_pathinq *cpi = & ccb->cpi;
debug(1, "XPT_RESET_BUS");
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_RESET_DEV:
{
debug(1, "XPT_RESET_DEV");
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_GET_TRAN_SETTINGS:
{
struct ccb_trans_settings *cts = &(ccb->cts);
debug(3, "XPT_GET_TRAN_SETTINGS");
struct ccb_trans_settings_scsi *scsi;
struct ccb_trans_settings_spi *spi;
scsi = &cts->proto_specific.scsi;
spi = &cts->xport_specific.spi;
cts->protocol = PROTO_SCSI;
cts->protocol_version = SCSI_REV_2;
cts->transport = XPORT_SPI;
cts->transport_version = 2;
if (cts->type == CTS_TYPE_USER_SETTINGS) {
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
break;
}
spi->flags = CTS_SPI_FLAGS_DISC_ENB;
spi->bus_width = MSG_EXT_WDTR_BUS_32_BIT;
spi->sync_period = 6; /* 40MHz how wide is this bus? */
spi->sync_offset = 31; /* How to extract this from board? */
spi->valid = CTS_SPI_VALID_SYNC_RATE
| CTS_SPI_VALID_SYNC_OFFSET
| CTS_SPI_VALID_BUS_WIDTH
| CTS_SPI_VALID_DISC;
scsi->valid = CTS_SCSI_VALID_TQ;
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_SET_TRAN_SETTINGS:
debug(3, "XPT_SET_TRAN_SETTINGS");
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
break;
/*
* Reject anything else as unsupported.
*/
default:
/* we can't do this */
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
mtx_assert(&sc->amr_list_lock, MA_OWNED);
xpt_done(ccb);
}
static void
ic_action(struct cam_sim *sim, union ccb *ccb)
{
isc_session_t *sp = cam_sim_softc(sim);
struct ccb_hdr *ccb_h = &ccb->ccb_h;
debug_called(8);
ccb_h->spriv_ptr0 = sp;
sdebug(4, "func_code=0x%x flags=0x%x status=0x%x target=%d lun=%d retry_count=%d timeout=%d",
ccb_h->func_code, ccb->ccb_h.flags, ccb->ccb_h.status,
ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
ccb->ccb_h.retry_count, ccb_h->timeout);
if(sp == NULL) {
xdebug("sp == NULL! cannot happen");
return;
}
switch(ccb_h->func_code) {
case XPT_PATH_INQ:
_inq(sim, ccb);
break;
case XPT_RESET_BUS: // (can just be a stub that does nothing and completes)
{
struct ccb_pathinq *cpi = &ccb->cpi;
debug(3, "XPT_RESET_BUS");
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_SCSI_IO:
{
struct ccb_scsiio* csio = &ccb->csio;
debug(4, "XPT_SCSI_IO cmd=0x%x", csio->cdb_io.cdb_bytes[0]);
if(sp == NULL) {
ccb_h->status = CAM_REQ_INVALID; //CAM_NO_NEXUS;
debug(4, "xpt_done.status=%d", ccb_h->status);
break;
}
if(ccb_h->target_lun == CAM_LUN_WILDCARD) {
debug(3, "target=%d: bad lun (-1)", ccb_h->target_id);
ccb_h->status = CAM_LUN_INVALID;
break;
}
if(_scsi_encap(sim, ccb) != 0)
return;
break;
}
case XPT_CALC_GEOMETRY:
{
struct ccb_calc_geometry *ccg;
ccg = &ccb->ccg;
debug(4, "sid=%d target=%d lun=%d XPT_CALC_GEOMETRY vsize=%jd bsize=%d",
sp->sid, ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
ccg->volume_size, ccg->block_size);
if(ccg->block_size == 0 ||
(ccg->volume_size < ccg->block_size)) {
// print error message ...
/* XXX: what error is appropiate? */
break;
}
else {
int lun, *off, boff;
lun = ccb->ccb_h.target_lun;
if(lun > ISCSI_MAX_LUNS) {
// XXX:
xdebug("lun %d > ISCSI_MAX_LUNS!\n", lun);
lun %= ISCSI_MAX_LUNS;
}
off = &sp->target_lun[lun / (sizeof(int)*8)];
boff = BIT(lun % (sizeof(int)*8));
debug(4, "sp->target_nluns=%d *off=%x boff=%x",
sp->target_nluns, *off, boff);
if((*off & boff) == 0) {
sp->target_nluns++;
*off |= boff;
}
cam_calc_geometry(ccg, /*extended*/1);
}
break;
}
case XPT_GET_TRAN_SETTINGS:
default:
ccb_h->status = CAM_REQ_INVALID;
break;
}
#if __FreeBSD_version < 700000
XPT_DONE(sp, ccb);
#else
xpt_done(ccb);
#endif
return;
}
static void
tws_action(struct cam_sim *sim, union ccb *ccb)
{
struct tws_softc *sc = (struct tws_softc *)cam_sim_softc(sim);
switch( ccb->ccb_h.func_code ) {
case XPT_SCSI_IO:
{
if ( tws_execute_scsi(sc, ccb) )
TWS_TRACE_DEBUG(sc, "execute scsi failed", 0, 0);
break;
}
case XPT_ABORT:
{
TWS_TRACE_DEBUG(sc, "abort i/o", 0, 0);
ccb->ccb_h.status = CAM_UA_ABORT;
xpt_done(ccb);
break;
}
case XPT_RESET_BUS:
{
TWS_TRACE_DEBUG(sc, "reset bus", sim, ccb);
break;
}
case XPT_SET_TRAN_SETTINGS:
{
TWS_TRACE_DEBUG(sc, "set tran settings", sim, ccb);
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
xpt_done(ccb);
break;
}
case XPT_GET_TRAN_SETTINGS:
{
TWS_TRACE_DEBUG(sc, "get tran settings", sim, ccb);
#if (__FreeBSD_version >= 700000 )
ccb->cts.protocol = PROTO_SCSI;
ccb->cts.protocol_version = SCSI_REV_2;
ccb->cts.transport = XPORT_SPI;
ccb->cts.transport_version = 2;
ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC;
ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB;
ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
#else
ccb->cts.valid = (CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID);
ccb->cts.flags &= ~(CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB);
#endif
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_CALC_GEOMETRY:
{
TWS_TRACE_DEBUG(sc, "calc geometry(ccb,block-size)", ccb,
ccb->ccg.block_size);
cam_calc_geometry(&ccb->ccg, 1/* extended */);
xpt_done(ccb);
break;
}
case XPT_PATH_INQ:
{
TWS_TRACE_DEBUG(sc, "path inquiry", sim, ccb);
ccb->cpi.version_num = 1;
ccb->cpi.hba_inquiry = 0;
ccb->cpi.target_sprt = 0;
ccb->cpi.hba_misc = 0;
ccb->cpi.hba_eng_cnt = 0;
ccb->cpi.max_target = TWS_MAX_NUM_UNITS;
ccb->cpi.max_lun = TWS_MAX_NUM_LUNS - 1;
ccb->cpi.unit_number = cam_sim_unit(sim);
ccb->cpi.bus_id = cam_sim_bus(sim);
ccb->cpi.initiator_id = TWS_SCSI_INITIATOR_ID;
ccb->cpi.base_transfer_speed = 6000000;
strncpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(ccb->cpi.hba_vid, "3ware", HBA_IDLEN);
strncpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN);
#if (__FreeBSD_version >= 700000 )
ccb->cpi.transport = XPORT_SPI;
ccb->cpi.transport_version = 2;
ccb->cpi.protocol = PROTO_SCSI;
ccb->cpi.protocol_version = SCSI_REV_2;
ccb->cpi.maxio = TWS_MAX_IO_SIZE;
#endif
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
default:
TWS_TRACE_DEBUG(sc, "default", sim, ccb);
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}
static void
ahbaction(struct cam_sim *sim, union ccb *ccb)
{
struct ahb_softc *ahb;
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahbaction\n"));
ahb = (struct ahb_softc *)cam_sim_softc(sim);
switch (ccb->ccb_h.func_code) {
/* Common cases first */
case XPT_SCSI_IO: /* Execute the requested I/O operation */
{
struct ecb *ecb;
struct hardware_ecb *hecb;
/*
* get an ecb to use.
*/
if ((ecb = ahbecbget(ahb)) == NULL) {
/* Should never occur */
panic("Failed to get an ecb");
}
/*
* So we can find the ECB when an abort is requested
*/
ecb->ccb = ccb;
ccb->ccb_h.ccb_ecb_ptr = ecb;
ccb->ccb_h.ccb_ahb_ptr = ahb;
/*
* Put all the arguments for the xfer in the ecb
*/
hecb = &ecb->hecb;
hecb->opcode = ECBOP_INITIATOR_SCSI_CMD;
hecb->flag_word1 = FW1_AUTO_REQUEST_SENSE
| FW1_ERR_STATUS_BLK_ONLY;
hecb->flag_word2 = ccb->ccb_h.target_lun
| FW2_NO_RETRY_ON_BUSY;
if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) {
hecb->flag_word2 |= FW2_TAG_ENB
| ((ccb->csio.tag_action & 0x3)
<< FW2_TAG_TYPE_SHIFT);
}
if ((ccb->ccb_h.flags & CAM_DIS_DISCONNECT) != 0)
hecb->flag_word2 |= FW2_DISABLE_DISC;
hecb->sense_len = ccb->csio.sense_len;
hecb->cdb_len = ccb->csio.cdb_len;
if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0) {
bcopy(ccb->csio.cdb_io.cdb_ptr,
hecb->cdb, hecb->cdb_len);
} else {
/* I guess I could map it in... */
ccb->ccb_h.status = CAM_REQ_INVALID;
ahbecbfree(ahb, ecb);
xpt_done(ccb);
return;
}
} else {
bcopy(ccb->csio.cdb_io.cdb_bytes,
hecb->cdb, hecb->cdb_len);
}
/*
* If we have any data to send with this command,
* map it into bus space.
*/
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
/*
* We've been given a pointer
* to a single buffer.
*/
if ((ccb->ccb_h.flags & CAM_DATA_PHYS)==0) {
int s;
int error;
s = splsoftvm();
error = bus_dmamap_load(
ahb->buffer_dmat,
ecb->dmamap,
ccb->csio.data_ptr,
ccb->csio.dxfer_len,
ahbexecuteecb,
ecb, /*flags*/0);
if (error == EINPROGRESS) {
/*
* So as to maintain ordering,
* freeze the controller queue
* until our mapping is
* returned.
*/
xpt_freeze_simq(ahb->sim, 1);
ccb->ccb_h.status |=
CAM_RELEASE_SIMQ;
}
splx(s);
} else {
struct bus_dma_segment seg;
/* Pointer to physical buffer */
seg.ds_addr =
(bus_addr_t)ccb->csio.data_ptr;
seg.ds_len = ccb->csio.dxfer_len;
ahbexecuteecb(ecb, &seg, 1, 0);
}
} else {
struct bus_dma_segment *segs;
if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
panic("ahbaction - Physical segment "
"pointers unsupported");
if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0)
panic("btaction - Virtual segment "
"addresses unsupported");
/* Just use the segments provided */
segs = (struct bus_dma_segment *)
ccb->csio.data_ptr;
ahbexecuteecb(ecb, segs, ccb->csio.sglist_cnt,
0);
}
} else {
ahbexecuteecb(ecb, NULL, 0, 0);
}
break;
}
case XPT_EN_LUN: /* Enable LUN as a target */
case XPT_TARGET_IO: /* Execute target I/O request */
case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/
case XPT_ABORT: /* Abort the specified CCB */
/* XXX Implement */
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
case XPT_SET_TRAN_SETTINGS:
{
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
xpt_done(ccb);
break;
}
case XPT_GET_TRAN_SETTINGS:
/* Get default/user set transfer settings for the target */
{
struct ccb_trans_settings *cts = &ccb->cts;
u_int target_mask = 0x01 << ccb->ccb_h.target_id;
struct ccb_trans_settings_scsi *scsi =
&cts->proto_specific.scsi;
struct ccb_trans_settings_spi *spi =
&cts->xport_specific.spi;
if (cts->type == CTS_TYPE_USER_SETTINGS) {
cts->protocol = PROTO_SCSI;
cts->protocol_version = SCSI_REV_2;
cts->transport = XPORT_SPI;
cts->transport_version = 2;
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
if ((ahb->disc_permitted & target_mask) != 0)
spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
if ((ahb->tags_permitted & target_mask) != 0)
scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
spi->sync_period = 25; /* 10MHz */
if (spi->sync_period != 0)
spi->sync_offset = 15;
spi->valid = CTS_SPI_VALID_SYNC_RATE
| CTS_SPI_VALID_SYNC_OFFSET
| CTS_SPI_VALID_BUS_WIDTH
| CTS_SPI_VALID_DISC;
scsi->valid = CTS_SCSI_VALID_TQ;
ccb->ccb_h.status = CAM_REQ_CMP;
} else {
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
}
xpt_done(ccb);
break;
}
case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
{
int i;
int s;
s = splcam();
ahb->immed_cmd = IMMED_RESET;
ahbqueuembox(ahb, IMMED_RESET, ATTN_IMMED|ccb->ccb_h.target_id);
/* Poll for interrupt completion */
for (i = 1000; ahb->immed_cmd != 0 && i != 0; i--) {
DELAY(1000);
ahbintr(cam_sim_softc(sim));
}
splx(s);
break;
}
case XPT_CALC_GEOMETRY:
{
cam_calc_geometry(&ccb->ccg, ahb->extended_trans);
xpt_done(ccb);
break;
}
case XPT_RESET_BUS: /* Reset the specified SCSI bus */
{
int i;
ahb->immed_cmd = IMMED_RESET;
ahbqueuembox(ahb, IMMED_RESET, ATTN_IMMED|ahb->scsi_id);
/* Poll for interrupt completion */
for (i = 1000; ahb->immed_cmd != 0 && i != 0; i--)
DELAY(1000);
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_TERM_IO: /* Terminate the I/O process */
/* XXX Implement */
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
case XPT_PATH_INQ: /* Path routing inquiry */
{
struct ccb_pathinq *cpi = &ccb->cpi;
cpi->version_num = 1; /* XXX??? */
cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
cpi->target_sprt = 0;
cpi->hba_misc = 0;
cpi->hba_eng_cnt = 0;
cpi->max_target = 7;
cpi->max_lun = 7;
cpi->initiator_id = ahb->scsi_id;
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 3300;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = cam_sim_unit(sim);
cpi->transport = XPORT_SPI;
cpi->transport_version = 2;
cpi->protocol = PROTO_SCSI;
cpi->protocol_version = SCSI_REV_2;
cpi->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
#if 0
/* Need these??? */
case XPT_IMMED_NOTIFY: /* Notify Host Target driver of event */
case XPT_NOTIFY_ACK: /* Acknowledgement of event */
#endif
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}
/*
* Function name: twa_action
* Description: Driver entry point for CAM's use.
*
* Input: sim -- sim corresponding to the ctlr
* ccb -- ptr to CAM request
* Output: None
* Return value: None
*/
void
twa_action(struct cam_sim *sim, union ccb *ccb)
{
struct twa_softc *sc = (struct twa_softc *)cam_sim_softc(sim);
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
switch (ccb_h->func_code) {
case XPT_SCSI_IO: /* SCSI I/O */
{
struct twa_request *tr;
if ((sc->twa_state & TWA_STATE_SIMQ_FROZEN) ||
((tr = twa_get_request(sc)) == NULL)) {
twa_dbg_dprint(2, sc, "simq frozen/Cannot get request pkt.");
/*
* Freeze the simq to maintain ccb ordering. The next
* ccb that gets completed will unfreeze the simq.
*/
twa_disallow_new_requests(sc);
ccb_h->status |= CAM_REQUEUE_REQ;
xpt_done(ccb);
break;
}
tr->tr_cmd_pkt_type |= TWA_CMD_PKT_TYPE_EXTERNAL;
tr->tr_private = ccb;
tr->tr_callback = twa_complete_io;
if (twa_execute_scsi(tr, ccb))
twa_release_request(tr);
break;
}
case XPT_ABORT:
twa_dbg_dprint(2, sc, "Abort request");
ccb_h->status = CAM_UA_ABORT;
xpt_done(ccb);
break;
case XPT_RESET_BUS:
twa_printf(sc, "Reset Bus request from CAM...\n");
if (twa_reset(sc)) {
twa_printf(sc, "Reset Bus failed!\n");
ccb_h->status = CAM_REQ_CMP_ERR;
}
else
ccb_h->status = CAM_REQ_CMP;
xpt_done(ccb);
break;
case XPT_SET_TRAN_SETTINGS:
twa_dbg_dprint(3, sc, "XPT_SET_TRAN_SETTINGS");
/*
* This command is not supported, since it's very specific
* to SCSI, and we are doing ATA.
*/
ccb_h->status = CAM_FUNC_NOTAVAIL;
xpt_done(ccb);
break;
case XPT_GET_TRAN_SETTINGS:
{
struct ccb_trans_settings *cts = &ccb->cts;
twa_dbg_dprint(3, sc, "XPT_GET_TRAN_SETTINGS");
cts->valid = (CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID);
cts->flags &= ~(CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB);
ccb_h->status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_CALC_GEOMETRY:
twa_dbg_dprint(3, sc, "XPT_CALC_GEOMETRY request");
cam_calc_geometry(&ccb->ccg, 1/* extended */);
xpt_done(ccb);
break;
case XPT_PATH_INQ: /* Path inquiry -- get twa properties */
{
struct ccb_pathinq *path_inq = &ccb->cpi;
twa_dbg_dprint(3, sc, "XPT_PATH_INQ request");
path_inq->version_num = 1;
path_inq->hba_inquiry = 0;
path_inq->target_sprt = 0;
path_inq->hba_misc = 0;
path_inq->hba_eng_cnt = 0;
path_inq->max_target = TWA_MAX_UNITS;
path_inq->max_lun = 0;
path_inq->unit_number = cam_sim_unit(sim);
path_inq->bus_id = cam_sim_bus(sim);
path_inq->initiator_id = 12;
path_inq->base_transfer_speed = 100000;
strncpy(path_inq->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(path_inq->hba_vid, "3ware", HBA_IDLEN);
strncpy(path_inq->dev_name, cam_sim_name(sim), DEV_IDLEN);
ccb_h->status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
default:
twa_dbg_dprint(3, sc, "func_code = %x", ccb_h->func_code);
ccb_h->status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}