static void
_inq(struct cam_sim *sim, union ccb *ccb)
{
struct ccb_pathinq *cpi = &ccb->cpi;
isc_session_t *sp = cam_sim_softc(sim);
debug_called(8);
debug(3, "sid=%d target=%d lun=%d", sp->sid, ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
cpi->version_num = 1; /* XXX??? */
cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE | PI_WIDE_32;
cpi->target_sprt = 0;
cpi->hba_misc = 0;
cpi->hba_eng_cnt = 0;
cpi->max_target = 0; //ISCSI_MAX_TARGETS - 1;
cpi->initiator_id = ISCSI_MAX_TARGETS;
cpi->max_lun = sp->opt.maxluns - 1;
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 3300; // 40000; // XXX:
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "iSCSI", 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;
#if defined(KNOB_VALID_ADDRESS)
cpi->transport = XPORT_ISCSI;
cpi->transport_version = 0;
#endif
}
static void
ahciemaction(struct cam_sim *sim, union ccb *ccb)
{
device_t dev, parent;
struct ahci_enclosure *enc;
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
("ahciemaction func_code=%x\n", ccb->ccb_h.func_code));
enc = cam_sim_softc(sim);
dev = enc->dev;
switch (ccb->ccb_h.func_code) {
case XPT_ATA_IO: /* Execute the requested I/O operation */
if (ahci_check_ids(dev, ccb))
return;
ahci_em_begin_transaction(dev, ccb);
return;
case XPT_RESET_BUS: /* Reset the specified bus */
case XPT_RESET_DEV: /* Bus Device Reset the specified device */
ahci_em_reset(dev);
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_PATH_INQ: /* Path routing inquiry */
{
struct ccb_pathinq *cpi = &ccb->cpi;
parent = device_get_parent(dev);
cpi->version_num = 1; /* XXX??? */
cpi->hba_inquiry = PI_SDTR_ABLE;
cpi->target_sprt = 0;
cpi->hba_misc = PIM_SEQSCAN;
cpi->hba_eng_cnt = 0;
cpi->max_target = 0;
cpi->max_lun = 0;
cpi->initiator_id = 0;
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 150000;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "AHCI", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = cam_sim_unit(sim);
cpi->transport = XPORT_SATA;
cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
cpi->protocol = PROTO_ATA;
cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
cpi->maxio = MAXPHYS;
cpi->hba_vendor = pci_get_vendor(parent);
cpi->hba_device = pci_get_device(parent);
cpi->hba_subvendor = pci_get_subvendor(parent);
cpi->hba_subdevice = pci_get_subdevice(parent);
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
xpt_done(ccb);
}
void
ic_destroy(isc_session_t *sp )
{
debug_called(8);
if(sp->cam_path != NULL) {
sdebug(2, "name=%s unit=%d",
cam_sim_name(sp->cam_sim), cam_sim_unit(sp->cam_sim));
CAM_LOCK(sp);
#if 0
xpt_async(AC_LOST_DEVICE, sp->cam_path, NULL);
#else
xpt_async(XPT_RESET_BUS, sp->cam_path, NULL);
#endif
xpt_free_path(sp->cam_path);
xpt_bus_deregister(cam_sim_path(sp->cam_sim));
cam_sim_free(sp->cam_sim, TRUE /*free_devq*/);
CAM_UNLOCK(sp);
sdebug(2, "done");
}
}
static void
ahaaction(struct cam_sim *sim, union ccb *ccb)
{
struct aha_softc *aha;
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahaaction\n"));
aha = (struct aha_softc *)cam_sim_softc(sim);
mtx_assert(&aha->lock, MA_OWNED);
switch (ccb->ccb_h.func_code) {
/* Common cases first */
case XPT_SCSI_IO: /* Execute the requested I/O operation */
case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ {
struct aha_ccb *accb;
struct aha_hccb *hccb;
/*
* Get an accb to use.
*/
if ((accb = ahagetccb(aha)) == NULL) {
aha->resource_shortage = TRUE;
xpt_freeze_simq(aha->sim, /*count*/1);
ccb->ccb_h.status = CAM_REQUEUE_REQ;
xpt_done(ccb);
return;
}
hccb = &accb->hccb;
/*
* So we can find the ACCB when an abort is requested
*/
accb->ccb = ccb;
ccb->ccb_h.ccb_accb_ptr = accb;
ccb->ccb_h.ccb_aha_ptr = aha;
/*
* Put all the arguments for the xfer in the accb
*/
hccb->target = ccb->ccb_h.target_id;
hccb->lun = ccb->ccb_h.target_lun;
hccb->ahastat = 0;
hccb->sdstat = 0;
if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
struct ccb_scsiio *csio;
struct ccb_hdr *ccbh;
int error;
csio = &ccb->csio;
ccbh = &csio->ccb_h;
hccb->opcode = aha->ccb_ccb_opcode;
hccb->datain = (ccb->ccb_h.flags & CAM_DIR_IN) != 0;
hccb->dataout = (ccb->ccb_h.flags & CAM_DIR_OUT) != 0;
hccb->cmd_len = csio->cdb_len;
if (hccb->cmd_len > sizeof(hccb->scsi_cdb)) {
ccb->ccb_h.status = CAM_REQ_INVALID;
ahafreeccb(aha, accb);
xpt_done(ccb);
return;
}
hccb->sense_len = csio->sense_len;
if ((ccbh->flags & CAM_CDB_POINTER) != 0) {
if ((ccbh->flags & CAM_CDB_PHYS) == 0) {
bcopy(csio->cdb_io.cdb_ptr,
hccb->scsi_cdb, hccb->cmd_len);
} else {
/* I guess I could map it in... */
ccbh->status = CAM_REQ_INVALID;
ahafreeccb(aha, accb);
xpt_done(ccb);
return;
}
} else {
bcopy(csio->cdb_io.cdb_bytes,
hccb->scsi_cdb, hccb->cmd_len);
}
/*
* If we have any data to send with this command,
* map it into bus space.
*/
error = bus_dmamap_load_ccb(
aha->buffer_dmat,
accb->dmamap,
ccb,
ahaexecuteccb,
accb,
/*flags*/0);
if (error == EINPROGRESS) {
/*
* So as to maintain ordering, freeze the
* controller queue until our mapping is
* returned.
*/
xpt_freeze_simq(aha->sim, 1);
csio->ccb_h.status |= CAM_RELEASE_SIMQ;
}
} else {
hccb->opcode = INITIATOR_BUS_DEV_RESET;
/* No data transfer */
hccb->datain = TRUE;
hccb->dataout = TRUE;
hccb->cmd_len = 0;
hccb->sense_len = 0;
ahaexecuteccb(accb, NULL, 0, 0);
}
break;
}
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:
/* XXX Implement */
ccb->ccb_h.status = CAM_PROVIDE_FAIL;
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;
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) {
spi->flags = 0;
if ((aha->disc_permitted & target_mask) != 0)
spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
if ((aha->sync_permitted & target_mask) != 0) {
if (aha->boardid >= BOARD_1542CF)
spi->sync_period = 25;
else
spi->sync_period = 50;
} else {
spi->sync_period = 0;
}
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;
} else {
ahafetchtransinfo(aha, cts);
}
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_CALC_GEOMETRY:
{
struct ccb_calc_geometry *ccg;
uint32_t size_mb;
uint32_t secs_per_cylinder;
ccg = &ccb->ccg;
size_mb = ccg->volume_size
/ ((1024L * 1024L) / ccg->block_size);
if (size_mb >= 1024 && (aha->extended_trans != 0)) {
if (size_mb >= 2048) {
ccg->heads = 255;
ccg->secs_per_track = 63;
} else {
ccg->heads = 128;
ccg->secs_per_track = 32;
}
} else {
ccg->heads = 64;
ccg->secs_per_track = 32;
}
secs_per_cylinder = ccg->heads * ccg->secs_per_track;
ccg->cylinders = ccg->volume_size / secs_per_cylinder;
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_RESET_BUS: /* Reset the specified SCSI bus */
ahareset(aha, /*hardreset*/TRUE);
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;
cpi->target_sprt = 0;
cpi->hba_misc = 0;
cpi->hba_eng_cnt = 0;
cpi->max_target = 7;
cpi->max_lun = 7;
cpi->initiator_id = aha->scsi_id;
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 3300;
strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
strlcpy(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;
}
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
*/
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
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;
}
}
static void
ataaction(struct cam_sim *sim, union ccb *ccb)
{
device_t dev, parent;
struct ata_channel *ch;
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ataaction func_code=%x\n",
ccb->ccb_h.func_code));
ch = (struct ata_channel *)cam_sim_softc(sim);
dev = ch->dev;
switch (ccb->ccb_h.func_code) {
/* Common cases first */
case XPT_ATA_IO: /* Execute the requested I/O operation */
case XPT_SCSI_IO:
if (ata_check_ids(dev, ccb))
return;
if ((ch->devices & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER)
<< ccb->ccb_h.target_id)) == 0) {
ccb->ccb_h.status = CAM_SEL_TIMEOUT;
break;
}
if (ch->running)
device_printf(dev, "already running!\n");
if (ccb->ccb_h.func_code == XPT_ATA_IO &&
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
(ccb->ataio.cmd.control & ATA_A_RESET)) {
struct ata_res *res = &ccb->ataio.res;
bzero(res, sizeof(*res));
if (ch->devices & (ATA_ATA_MASTER << ccb->ccb_h.target_id)) {
res->lba_high = 0;
res->lba_mid = 0;
} else {
res->lba_high = 0xeb;
res->lba_mid = 0x14;
}
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
ata_cam_begin_transaction(dev, ccb);
return;
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;
break;
case XPT_SET_TRAN_SETTINGS:
{
struct ccb_trans_settings *cts = &ccb->cts;
struct ata_cam_device *d;
if (ata_check_ids(dev, ccb))
return;
if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
d = &ch->curr[ccb->ccb_h.target_id];
else
d = &ch->user[ccb->ccb_h.target_id];
if (ch->flags & ATA_SATA) {
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
d->revision = cts->xport_specific.sata.revision;
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) {
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
d->mode = ATA_SETMODE(ch->dev,
ccb->ccb_h.target_id,
cts->xport_specific.sata.mode);
} else
d->mode = cts->xport_specific.sata.mode;
}
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI)
d->atapi = cts->xport_specific.sata.atapi;
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS)
d->caps = cts->xport_specific.sata.caps;
} else {
if (cts->xport_specific.ata.valid & CTS_ATA_VALID_MODE) {
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
d->mode = ATA_SETMODE(ch->dev,
ccb->ccb_h.target_id,
cts->xport_specific.ata.mode);
} else
d->mode = cts->xport_specific.ata.mode;
}
if (cts->xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT)
d->bytecount = cts->xport_specific.ata.bytecount;
if (cts->xport_specific.ata.valid & CTS_ATA_VALID_ATAPI)
d->atapi = cts->xport_specific.ata.atapi;
if (cts->xport_specific.ata.valid & CTS_ATA_VALID_CAPS)
d->caps = cts->xport_specific.ata.caps;
}
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_GET_TRAN_SETTINGS:
{
struct ccb_trans_settings *cts = &ccb->cts;
struct ata_cam_device *d;
if (ata_check_ids(dev, ccb))
return;
if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
d = &ch->curr[ccb->ccb_h.target_id];
else
d = &ch->user[ccb->ccb_h.target_id];
cts->protocol = PROTO_UNSPECIFIED;
cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
if (ch->flags & ATA_SATA) {
cts->transport = XPORT_SATA;
cts->transport_version = XPORT_VERSION_UNSPECIFIED;
cts->xport_specific.sata.valid = 0;
cts->xport_specific.sata.mode = d->mode;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE;
cts->xport_specific.sata.bytecount = d->bytecount;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT;
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
cts->xport_specific.sata.revision =
ATA_GETREV(dev, ccb->ccb_h.target_id);
if (cts->xport_specific.sata.revision != 0xff) {
cts->xport_specific.sata.valid |=
CTS_SATA_VALID_REVISION;
}
cts->xport_specific.sata.caps =
d->caps & CTS_SATA_CAPS_D;
if (ch->pm_level) {
cts->xport_specific.sata.caps |=
CTS_SATA_CAPS_H_PMREQ;
}
cts->xport_specific.sata.caps &=
ch->user[ccb->ccb_h.target_id].caps;
} else {
cts->xport_specific.sata.revision = d->revision;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION;
cts->xport_specific.sata.caps = d->caps;
}
cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
cts->xport_specific.sata.atapi = d->atapi;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI;
} else {
cts->transport = XPORT_ATA;
cts->transport_version = XPORT_VERSION_UNSPECIFIED;
cts->xport_specific.ata.valid = 0;
cts->xport_specific.ata.mode = d->mode;
cts->xport_specific.ata.valid |= CTS_ATA_VALID_MODE;
cts->xport_specific.ata.bytecount = d->bytecount;
cts->xport_specific.ata.valid |= CTS_ATA_VALID_BYTECOUNT;
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
cts->xport_specific.ata.caps =
d->caps & CTS_ATA_CAPS_D;
if (!(ch->flags & ATA_NO_48BIT_DMA))
cts->xport_specific.ata.caps |=
CTS_ATA_CAPS_H_DMA48;
cts->xport_specific.ata.caps &=
ch->user[ccb->ccb_h.target_id].caps;
} else
cts->xport_specific.ata.caps = d->caps;
cts->xport_specific.ata.valid |= CTS_ATA_VALID_CAPS;
cts->xport_specific.ata.atapi = d->atapi;
cts->xport_specific.ata.valid |= CTS_ATA_VALID_ATAPI;
}
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_RESET_BUS: /* Reset the specified SCSI bus */
case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
ata_reinit(dev);
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_TERM_IO: /* Terminate the I/O process */
/* XXX Implement */
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
case XPT_PATH_INQ: /* Path routing inquiry */
{
struct ccb_pathinq *cpi = &ccb->cpi;
parent = device_get_parent(dev);
cpi->version_num = 1; /* XXX??? */
cpi->hba_inquiry = PI_SDTR_ABLE;
cpi->target_sprt = 0;
cpi->hba_misc = PIM_SEQSCAN;
cpi->hba_eng_cnt = 0;
if (ch->flags & ATA_NO_SLAVE)
cpi->max_target = 0;
else
cpi->max_target = 1;
cpi->max_lun = 0;
cpi->initiator_id = 0;
cpi->bus_id = cam_sim_bus(sim);
if (ch->flags & ATA_SATA)
cpi->base_transfer_speed = 150000;
else
cpi->base_transfer_speed = 3300;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "ATA", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = cam_sim_unit(sim);
if (ch->flags & ATA_SATA)
cpi->transport = XPORT_SATA;
else
cpi->transport = XPORT_ATA;
cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
cpi->protocol = PROTO_ATA;
cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
cpi->maxio = ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS;
if (device_get_devclass(device_get_parent(parent)) ==
devclass_find("pci")) {
cpi->hba_vendor = pci_get_vendor(parent);
cpi->hba_device = pci_get_device(parent);
cpi->hba_subvendor = pci_get_subvendor(parent);
cpi->hba_subdevice = pci_get_subdevice(parent);
}
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
xpt_done(ccb);
}
static void
wds_scsi_io(struct cam_sim * sim, struct ccb_scsiio * csio)
{
int unit = cam_sim_unit(sim);
struct wds *wp;
struct ccb_hdr *ccb_h;
struct wds_req *r;
int base;
u_int8_t c;
int error;
int n;
wp = (struct wds *)cam_sim_softc(sim);
ccb_h = &csio->ccb_h;
DBG(DBX "wds%d: cmd TARG=%d LUN=%d\n", unit, ccb_h->target_id,
ccb_h->target_lun);
if (ccb_h->target_id > 7 || ccb_h->target_id == WDS_HBA_ID) {
ccb_h->status = CAM_TID_INVALID;
xpt_done((union ccb *) csio);
return;
}
if (ccb_h->target_lun > 7) {
ccb_h->status = CAM_LUN_INVALID;
xpt_done((union ccb *) csio);
return;
}
if (csio->dxfer_len > BUFSIZ) {
ccb_h->status = CAM_REQ_TOO_BIG;
xpt_done((union ccb *) csio);
return;
}
if ((ccb_h->flags & CAM_DATA_MASK) != CAM_DATA_VADDR) {
/* don't support these */
ccb_h->status = CAM_REQ_INVALID;
xpt_done((union ccb *) csio);
return;
}
base = wp->addr;
/*
* this check is mostly for debugging purposes,
* "can't happen" normally.
*/
if(wp->want_wdsr) {
DBG(DBX "wds%d: someone already waits for buffer\n", unit);
smallog('b');
n = xpt_freeze_simq(sim, /* count */ 1);
smallog('0'+n);
ccb_h->status = CAM_REQUEUE_REQ;
xpt_done((union ccb *) csio);
return;
}
r = wdsr_alloc(wp);
if (r == NULL) {
device_printf(wp->dev, "no request slot available!\n");
wp->want_wdsr = 1;
n = xpt_freeze_simq(sim, /* count */ 1);
smallog2('f', '0'+n);
ccb_h->status = CAM_REQUEUE_REQ;
xpt_done((union ccb *) csio);
return;
}
ccb_h->ccb_wdsr = (void *) r;
r->ccb = (union ccb *) csio;
switch (error = frag_alloc(wp, csio->dxfer_len, &r->buf, &r->mask)) {
case CAM_REQ_CMP:
break;
case CAM_REQUEUE_REQ:
DBG(DBX "wds%d: no data buffer available\n", unit);
wp->want_wdsr = 1;
n = xpt_freeze_simq(sim, /* count */ 1);
smallog2('f', '0'+n);
wdsr_ccb_done(wp, r, r->ccb, CAM_REQUEUE_REQ);
return;
default:
DBG(DBX "wds%d: request is too big\n", unit);
wdsr_ccb_done(wp, r, r->ccb, error);
break;
}
ccb_h->status |= CAM_SIM_QUEUED;
r->flags &= ~WR_DONE;
scsi_ulto3b(WDSTOPHYS(wp, &r->cmd), wp->dx->ombs[r->ombn].addr);
bzero(&r->cmd, sizeof r->cmd);
r->cmd.cmd = WDSX_SCSICMD;
r->cmd.targ = (ccb_h->target_id << 5) | ccb_h->target_lun;
if (ccb_h->flags & CAM_CDB_POINTER)
bcopy(csio->cdb_io.cdb_ptr, &r->cmd.scb,
csio->cdb_len < 12 ? csio->cdb_len : 12);
else
bcopy(csio->cdb_io.cdb_bytes, &r->cmd.scb,
csio->cdb_len < 12 ? csio->cdb_len : 12);
scsi_ulto3b(csio->dxfer_len, r->cmd.len);
if (csio->dxfer_len > 0
&& (ccb_h->flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
/* we already rejected physical or scattered addresses */
bcopy(csio->data_ptr, r->buf, csio->dxfer_len);
}
scsi_ulto3b(csio->dxfer_len ? WDSTOPHYS(wp, r->buf) : 0, r->cmd.data);
if ((ccb_h->flags & CAM_DIR_MASK) == CAM_DIR_IN)
r->cmd.write = 0x80;
else
r->cmd.write = 0x00;
scsi_ulto3b(0, r->cmd.next);
outb(base + WDS_HCR, WDSH_IRQEN | WDSH_DRQEN);
c = WDSC_MSTART(r->ombn);
if (wds_cmd(base, &c, sizeof c) != 0) {
device_printf(wp->dev, "unable to start outgoing mbox\n");
wp->dx->ombs[r->ombn].stat = 0;
wdsr_ccb_done(wp, r, r->ccb, CAM_RESRC_UNAVAIL);
return;
}
DBG(DBX "wds%d: enqueued cmd 0x%x, r=%p\n", unit,
r->cmd.scb[0] & 0xFF, r);
smallog3('+', ccb_h->target_id + '0', ccb_h->target_lun + '0');
}
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;
}
}
/**
* 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;
}
}
}
static void
nvme_sim_action(struct cam_sim *sim, union ccb *ccb)
{
struct nvme_controller *ctrlr;
struct nvme_namespace *ns;
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
("nvme_sim_action: func= %#x\n",
ccb->ccb_h.func_code));
/*
* XXX when we support multiple namespaces in the base driver we'll need
* to revisit how all this gets stored and saved in the periph driver's
* reserved areas. Right now we store all three in the softc of the sim.
*/
ns = sim2ns(sim);
ctrlr = sim2ctrlr(sim);
mtx_assert(&ctrlr->lock, MA_OWNED);
switch (ccb->ccb_h.func_code) {
case XPT_CALC_GEOMETRY: /* Calculate Geometry Totally nuts ? XXX */
/*
* Only meaningful for old-school SCSI disks since only the SCSI
* da driver generates them. Reject all these that slip through.
*/
/*FALLTHROUGH*/
case XPT_ABORT: /* Abort the specified CCB */
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*/
/*
* Only target mode generates these, and only for SCSI. They are
* all invalid/unsupported for NVMe.
*/
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
case XPT_SET_TRAN_SETTINGS:
/*
* NVMe doesn't really have different transfer settings, but
* other parts of CAM think failure here is a big deal.
*/
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_PATH_INQ: /* Path routing inquiry */
{
struct ccb_pathinq *cpi = &ccb->cpi;
/*
* NVMe may have multiple LUNs on the same path. Current generation
* of NVMe devives support only a single name space. Multiple name
* space drives are coming, but it's unclear how we should report
* them up the stack.
*/
cpi->version_num = 1;
cpi->hba_inquiry = 0;
cpi->target_sprt = 0;
cpi->hba_misc = PIM_UNMAPPED /* | PIM_NOSCAN */;
cpi->hba_eng_cnt = 0;
cpi->max_target = 0;
cpi->max_lun = ctrlr->cdata.nn;
cpi->maxio = nvme_ns_get_max_io_xfer_size(ns);
cpi->initiator_id = 0;
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 4000000; /* 4 GB/s 4 lanes pcie 3 */
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "NVMe", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = cam_sim_unit(sim);
cpi->transport = XPORT_NVME; /* XXX XPORT_PCIE ? */
cpi->transport_version = 1; /* XXX Get PCIe spec ? */
cpi->protocol = PROTO_NVME;
cpi->protocol_version = NVME_REV_1; /* Groks all 1.x NVMe cards */
cpi->xport_specific.nvme.nsid = ns->id;
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_GET_TRAN_SETTINGS: /* Get transport settings */
{
struct ccb_trans_settings *cts;
struct ccb_trans_settings_nvme *nvmep;
struct ccb_trans_settings_nvme *nvmex;
cts = &ccb->cts;
nvmex = &cts->xport_specific.nvme;
nvmep = &cts->proto_specific.nvme;
nvmex->valid = CTS_NVME_VALID_SPEC;
nvmex->spec_major = 1; /* XXX read from card */
nvmex->spec_minor = 2;
nvmex->spec_tiny = 0;
nvmep->valid = CTS_NVME_VALID_SPEC;
nvmep->spec_major = 1; /* XXX read from card */
nvmep->spec_minor = 2;
nvmep->spec_tiny = 0;
cts->transport = XPORT_NVME;
cts->protocol = PROTO_NVME;
cts->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_TERM_IO: /* Terminate the I/O process */
/*
* every driver handles this, but nothing generates it. Assume
* it's OK to just say 'that worked'.
*/
/*FALLTHROUGH*/
case XPT_RESET_DEV: /* Bus Device Reset the specified device */
case XPT_RESET_BUS: /* Reset the specified bus */
/*
* NVMe doesn't really support physically resetting the bus. It's part
* of the bus scanning dance, so return sucess to tell the process to
* proceed.
*/
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_NVME_IO: /* Execute the requested I/O operation */
nvme_sim_nvmeio(sim, ccb);
return; /* no done */
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
xpt_done(ccb);
}
static rtems_status_code
rtems_bsd_sim_attach_worker(rtems_media_state state, const char *src, char **dest, void *arg)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
struct cam_sim *sim = arg;
char *disk = NULL;
if (state == RTEMS_MEDIA_STATE_READY) {
unsigned retries = 0;
struct scsi_inquiry_data inq_data;
uint32_t block_count = 0;
uint32_t block_size = 0;
disk = rtems_media_create_path("/dev", src, cam_sim_unit(sim));
if (disk == NULL) {
BSD_PRINTF("OOPS: create path failed\n");
goto error;
}
sc = rtems_bsd_scsi_inquiry(&sim->ccb, &inq_data);
if (sc != RTEMS_SUCCESSFUL) {
BSD_PRINTF("OOPS: inquiry failed\n");
goto error;
}
scsi_print_inquiry(&inq_data);
for (retries = 0; retries <= 3; ++retries) {
sc = rtems_bsd_scsi_test_unit_ready(&sim->ccb);
if (sc == RTEMS_SUCCESSFUL) {
break;
}
}
if (sc != RTEMS_SUCCESSFUL) {
BSD_PRINTF("OOPS: test unit ready failed\n");
goto error;
}
sc = rtems_bsd_scsi_read_capacity(&sim->ccb, &block_count, &block_size);
if (sc != RTEMS_SUCCESSFUL) {
BSD_PRINTF("OOPS: read capacity failed\n");
goto error;
}
BSD_PRINTF("read capacity: block count %u, block size %u\n", block_count, block_size);
sc = rtems_blkdev_create(disk, block_size, block_count, rtems_bsd_sim_disk_ioctl, sim);
if (sc != RTEMS_SUCCESSFUL) {
goto error;
}
/* FIXME */
#if 0
rtems_disk_device *dd = rtems_disk_obtain(dev);
dd->block_size *= 64;
rtems_disk_release(dd);
#endif
rtems_bsd_sim_disk_initialized(sim, disk);
*dest = strdup(disk, M_RTEMS_HEAP);
}
return RTEMS_SUCCESSFUL;
error:
free(disk, M_RTEMS_HEAP);
rtems_bsd_sim_disk_initialized(sim, NULL);
return RTEMS_IO_ERROR;
}
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;
}
}
/********************************************************************************
* 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_CMP_ERR;
if ((csio->cdb_len > AMR_MAX_CDB_LEN) && (sc->support_ext_cdb == 0 ))
ccbh->status = CAM_REQ_CMP_ERR;
/* 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_CMP_ERR;
/* 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_CMP_ERR;
if (ccbh->flags & CAM_SCATTER_VALID) /* we want to do the s/g setup */
ccbh->status = CAM_REQ_CMP_ERR;
}
/*
* 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_REQ_CMP_ERR;
/* 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:
{
struct ccb_calc_geometry *ccg = &ccb->ccg;
u_int32_t size_in_mb;
u_int32_t secs_per_cylinder;
size_in_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size);
if (size_in_mb > 1024) {
ccg->heads = 255;
ccg->secs_per_track = 63;
} else {
ccg->heads = 64;
ccg->secs_per_track = 32;
}
secs_per_cylinder = ccg->heads * ccg->secs_per_track;
ccg->cylinders = ccg->volume_size / secs_per_cylinder;
ccb->ccb_h.status = CAM_REQ_CMP;
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;
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 get from controller? */
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;
debug(3, "XPT_GET_TRAN_SETTINGS");
cts = &(ccb->cts);
if ((cts->flags & CCB_TRANS_USER_SETTINGS) == 0) {
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
break;
}
cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB;
cts->bus_width = MSG_EXT_WDTR_BUS_32_BIT;
cts->sync_period = 6; /* 40MHz how wide is this bus? */
cts->sync_offset = 31; /* How to extract this from board? */
cts->valid = CCB_TRANS_SYNC_RATE_VALID
| CCB_TRANS_SYNC_OFFSET_VALID
| CCB_TRANS_BUS_WIDTH_VALID
| CCB_TRANS_DISC_VALID
| CCB_TRANS_TQ_VALID;
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;
}
xpt_done(ccb);
}
static void
nvme_sim_action(struct cam_sim *sim, union ccb *ccb)
{
struct nvme_controller *ctrlr;
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
("nvme_sim_action: func= %#x\n",
ccb->ccb_h.func_code));
ctrlr = sim2ctrlr(sim);
mtx_assert(&ctrlr->lock, MA_OWNED);
switch (ccb->ccb_h.func_code) {
case XPT_CALC_GEOMETRY: /* Calculate Geometry Totally nuts ? XXX */
/*
* Only meaningful for old-school SCSI disks since only the SCSI
* da driver generates them. Reject all these that slip through.
*/
/*FALLTHROUGH*/
case XPT_ABORT: /* Abort the specified CCB */
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
case XPT_SET_TRAN_SETTINGS:
/*
* NVMe doesn't really have different transfer settings, but
* other parts of CAM think failure here is a big deal.
*/
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_PATH_INQ: /* Path routing inquiry */
{
struct ccb_pathinq *cpi = &ccb->cpi;
device_t dev = ctrlr->dev;
/*
* NVMe may have multiple LUNs on the same path. Current generation
* of NVMe devives support only a single name space. Multiple name
* space drives are coming, but it's unclear how we should report
* them up the stack.
*/
cpi->version_num = 1;
cpi->hba_inquiry = 0;
cpi->target_sprt = 0;
cpi->hba_misc = PIM_UNMAPPED | PIM_NOSCAN;
cpi->hba_eng_cnt = 0;
cpi->max_target = 0;
cpi->max_lun = ctrlr->cdata.nn;
cpi->maxio = ctrlr->max_xfer_size;
cpi->initiator_id = 0;
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = nvme_link_kBps(ctrlr);
strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strlcpy(cpi->hba_vid, "NVMe", HBA_IDLEN);
strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = cam_sim_unit(sim);
cpi->transport = XPORT_NVME; /* XXX XPORT_PCIE ? */
cpi->transport_version = nvme_mmio_read_4(ctrlr, vs);
cpi->protocol = PROTO_NVME;
cpi->protocol_version = nvme_mmio_read_4(ctrlr, vs);
cpi->xport_specific.nvme.nsid = xpt_path_lun_id(ccb->ccb_h.path);
cpi->xport_specific.nvme.domain = pci_get_domain(dev);
cpi->xport_specific.nvme.bus = pci_get_bus(dev);
cpi->xport_specific.nvme.slot = pci_get_slot(dev);
cpi->xport_specific.nvme.function = pci_get_function(dev);
cpi->xport_specific.nvme.extra = 0;
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_GET_TRAN_SETTINGS: /* Get transport settings */
{
struct ccb_trans_settings *cts;
struct ccb_trans_settings_nvme *nvmep;
struct ccb_trans_settings_nvme *nvmex;
device_t dev;
uint32_t status, caps;
dev = ctrlr->dev;
cts = &ccb->cts;
nvmex = &cts->xport_specific.nvme;
nvmep = &cts->proto_specific.nvme;
status = pcie_read_config(dev, PCIER_LINK_STA, 2);
caps = pcie_read_config(dev, PCIER_LINK_CAP, 2);
nvmex->valid = CTS_NVME_VALID_SPEC | CTS_NVME_VALID_LINK;
nvmex->spec = nvme_mmio_read_4(ctrlr, vs);
nvmex->speed = status & PCIEM_LINK_STA_SPEED;
nvmex->lanes = (status & PCIEM_LINK_STA_WIDTH) >> 4;
nvmex->max_speed = caps & PCIEM_LINK_CAP_MAX_SPEED;
nvmex->max_lanes = (caps & PCIEM_LINK_CAP_MAX_WIDTH) >> 4;
/* XXX these should be something else maybe ? */
nvmep->valid = 1;
nvmep->spec = nvmex->spec;
cts->transport = XPORT_NVME;
cts->protocol = PROTO_NVME;
cts->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_TERM_IO: /* Terminate the I/O process */
/*
* every driver handles this, but nothing generates it. Assume
* it's OK to just say 'that worked'.
*/
/*FALLTHROUGH*/
case XPT_RESET_DEV: /* Bus Device Reset the specified device */
case XPT_RESET_BUS: /* Reset the specified bus */
/*
* NVMe doesn't really support physically resetting the bus. It's part
* of the bus scanning dance, so return sucess to tell the process to
* proceed.
*/
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_NVME_IO: /* Execute the requested I/O operation */
case XPT_NVME_ADMIN: /* or Admin operation */
nvme_sim_nvmeio(sim, ccb);
return; /* no done */
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
xpt_done(ccb);
}
/*
* 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;
}
}
static void
aac_cam_action(struct cam_sim *sim, union ccb *ccb)
{
struct aac_cam *camsc;
struct aac_softc *sc;
struct aac_srb32 *srb;
struct aac_fib *fib;
struct aac_command *cm;
camsc = (struct aac_cam *)cam_sim_softc(sim);
sc = camsc->inf->aac_sc;
fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
/* Synchronous ops, and ops that don't require communication with the
* controller */
switch(ccb->ccb_h.func_code) {
case XPT_SCSI_IO:
case XPT_RESET_DEV:
/* These are handled down below */
break;
case XPT_CALC_GEOMETRY:
{
struct ccb_calc_geometry *ccg;
u_int32_t size_mb;
u_int32_t secs_per_cylinder;
ccg = &ccb->ccg;
size_mb = ccg->volume_size /
((1024L * 1024L) / ccg->block_size);
if (size_mb >= (2 * 1024)) { /* 2GB */
ccg->heads = 255;
ccg->secs_per_track = 63;
} else if (size_mb >= (1 * 1024)) { /* 1GB */
ccg->heads = 128;
ccg->secs_per_track = 32;
} else {
ccg->heads = 64;
ccg->secs_per_track = 32;
}
secs_per_cylinder = ccg->heads * ccg->secs_per_track;
ccg->cylinders = ccg->volume_size / secs_per_cylinder;
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
return;
}
case XPT_PATH_INQ:
{
struct ccb_pathinq *cpi = &ccb->cpi;
cpi->version_num = 1;
cpi->hba_inquiry = PI_WIDE_16;
cpi->target_sprt = 0;
/*
* Resetting via the passthrough or parallel bus scan
* causes problems.
*/
cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN;
cpi->hba_eng_cnt = 0;
cpi->max_target = camsc->inf->TargetsPerBus;
cpi->max_lun = 8; /* Per the controller spec */
cpi->initiator_id = camsc->inf->InitiatorBusId;
cpi->bus_id = camsc->inf->BusNumber;
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;
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
return;
}
case XPT_GET_TRAN_SETTINGS:
{
struct ccb_trans_settings_scsi *scsi =
&ccb->cts.proto_specific.scsi;
struct ccb_trans_settings_spi *spi =
&ccb->cts.xport_specific.spi;
ccb->cts.protocol = PROTO_SCSI;
ccb->cts.protocol_version = SCSI_REV_2;
ccb->cts.transport = XPORT_SPI;
ccb->cts.transport_version = 2;
if (ccb->ccb_h.target_lun != CAM_LUN_WILDCARD) {
scsi->valid = CTS_SCSI_VALID_TQ;
spi->valid |= CTS_SPI_VALID_DISC;
} else {
scsi->valid = 0;
}
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
return;
}
case XPT_SET_TRAN_SETTINGS:
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
xpt_done(ccb);
return;
case XPT_RESET_BUS:
if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb);
} else {
ccb->ccb_h.status = CAM_REQ_CMP;
}
xpt_done(ccb);
return;
case XPT_ABORT:
ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb);
xpt_done(ccb);
return;
case XPT_TERM_IO:
ccb->ccb_h.status = aac_cam_term_io(sim, ccb);
xpt_done(ccb);
return;
default:
device_printf(sc->aac_dev, "Unsupported command 0x%x\n",
ccb->ccb_h.func_code);
ccb->ccb_h.status = CAM_PROVIDE_FAIL;
xpt_done(ccb);
return;
}
/* Async ops that require communcation with the controller */
if (aac_alloc_command(sc, &cm)) {
struct aac_event *event;
xpt_freeze_simq(sim, 1);
ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
ccb->ccb_h.sim_priv.entries[0].ptr = camsc;
event = malloc(sizeof(struct aac_event), M_AACCAM,
M_NOWAIT | M_ZERO);
if (event == NULL) {
device_printf(sc->aac_dev,
"Warning, out of memory for event\n");
return;
}
event->ev_callback = aac_cam_event;
event->ev_arg = ccb;
event->ev_type = AAC_EVENT_CMFREE;
aac_add_event(sc, event);
return;
}
fib = cm->cm_fib;
srb = (struct aac_srb32 *)&fib->data[0];
cm->cm_datalen = 0;
switch (ccb->ccb_h.flags & CAM_DIR_MASK) {
case CAM_DIR_IN:
srb->flags = AAC_SRB_FLAGS_DATA_IN;
cm->cm_flags |= AAC_CMD_DATAIN;
break;
case CAM_DIR_OUT:
srb->flags = AAC_SRB_FLAGS_DATA_OUT;
cm->cm_flags |= AAC_CMD_DATAOUT;
break;
case CAM_DIR_NONE:
srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER;
break;
default:
srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION;
cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT;
break;
}
switch(ccb->ccb_h.func_code) {
case XPT_SCSI_IO:
{
struct ccb_scsiio *csio = &ccb->csio;
srb->function = AAC_SRB_FUNC_EXECUTE_SCSI;
/*
* Copy the CDB into the SRB. It's only 6-16 bytes,
* so a copy is not too expensive.
*/
srb->cdb_len = csio->cdb_len;
if (ccb->ccb_h.flags & CAM_CDB_POINTER)
bcopy(csio->cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0],
srb->cdb_len);
else
bcopy(csio->cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0],
srb->cdb_len);
/* Set command */
fib->Header.Command = (sc->flags & AAC_FLAGS_SG_64BIT) ?
ScsiPortCommandU64 : ScsiPortCommand;
/* Map the s/g list. XXX 32bit addresses only! */
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
srb->data_len = csio->dxfer_len;
if (ccb->ccb_h.flags & CAM_DATA_PHYS) {
/* Send a 32bit command */
fib->Header.Command = ScsiPortCommand;
srb->sg_map32.SgCount = 1;
srb->sg_map32.SgEntry[0].SgAddress =
(uint32_t)(uintptr_t)csio->data_ptr;
srb->sg_map32.SgEntry[0].SgByteCount =
csio->dxfer_len;
} else {
/*
* Arrange things so that the S/G
* map will get set up automagically
*/
cm->cm_data = (void *)csio->data_ptr;
cm->cm_datalen = csio->dxfer_len;
cm->cm_sgtable = &srb->sg_map32;
}
} else {
/* XXX Need to handle multiple s/g elements */
panic("aac_cam: multiple s/g elements");
}
} else {
srb->sg_map32.SgCount = 0;
srb->sg_map32.SgEntry[0].SgByteCount = 0;
srb->data_len = 0;
}
break;
}
case XPT_RESET_DEV:
if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
srb->function = AAC_SRB_FUNC_RESET_DEVICE;
break;
} else {
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
return;
}
default:
break;
}
srb->bus = camsc->inf->BusNumber; /* Bus number relative to the card */
srb->target = ccb->ccb_h.target_id;
srb->lun = ccb->ccb_h.target_lun;
srb->timeout = ccb->ccb_h.timeout; /* XXX */
srb->retry_limit = 0;
cm->cm_complete = aac_cam_complete;
cm->cm_private = ccb;
cm->cm_timestamp = time_uptime;
cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
fib->Header.XferState =
AAC_FIBSTATE_HOSTOWNED |
AAC_FIBSTATE_INITIALISED |
AAC_FIBSTATE_FROMHOST |
AAC_FIBSTATE_REXPECTED |
AAC_FIBSTATE_NORM;
fib->Header.Size = sizeof(struct aac_fib_header) +
sizeof(struct aac_srb32);
aac_enqueue_ready(cm);
aac_startio(cm->cm_sc);
return;
}
static void
isp_action(struct cam_sim *sim, union ccb *ccb)
{
int s, tgt, error;
struct ispsoftc *isp;
struct ccb_trans_settings *cts;
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
isp = (struct ispsoftc *)cam_sim_softc(sim);
ccb->ccb_h.sim_priv.entries[0].field = 0;
ccb->ccb_h.sim_priv.entries[1].ptr = isp;
/*
* This should only happen for Fibre Channel adapters.
* We want to pass through all but XPT_SCSI_IO (e.g.,
* path inquiry) but fail if we can't get good Fibre
* Channel link status.
*/
if (ccb->ccb_h.func_code == XPT_SCSI_IO &&
isp->isp_state != ISP_RUNSTATE) {
s = splcam();
DISABLE_INTS(isp);
isp_init(isp);
if (isp->isp_state != ISP_INITSTATE) {
(void) splx(s);
/*
* Lie. Say it was a selection timeout.
*/
ccb->ccb_h.status = CAM_SEL_TIMEOUT;
xpt_done(ccb);
return;
}
isp->isp_state = ISP_RUNSTATE;
ENABLE_INTS(isp);
(void) splx(s);
}
IDPRINTF(4, ("%s: isp_action code %x\n", isp->isp_name,
ccb->ccb_h.func_code));
switch (ccb->ccb_h.func_code) {
case XPT_SCSI_IO: /* Execute the requested I/O operation */
/*
* Do a couple of preliminary checks...
*/
if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}
if (isp->isp_type & ISP_HA_SCSI) {
if (ccb->ccb_h.target_id > (MAX_TARGETS-1)) {
ccb->ccb_h.status = CAM_PATH_INVALID;
} else if (ISP_FW_REVX(isp->isp_fwrev) >=
ISP_FW_REV(7, 55, 0)) {
/*
* Too much breakage.
*/
#if 0
if (ccb->ccb_h.target_lun > 31) {
ccb->ccb_h.status = CAM_PATH_INVALID;
}
#else
if (ccb->ccb_h.target_lun > 7) {
ccb->ccb_h.status = CAM_PATH_INVALID;
}
#endif
} else if (ccb->ccb_h.target_lun > 7) {
ccb->ccb_h.status = CAM_PATH_INVALID;
}
} else {
if (ccb->ccb_h.target_id > (MAX_FC_TARG-1)) {
ccb->ccb_h.status = CAM_PATH_INVALID;
#ifdef SCCLUN
} else if (ccb->ccb_h.target_lun > 15) {
ccb->ccb_h.status = CAM_PATH_INVALID;
#else
} else if (ccb->ccb_h.target_lun > 65535) {
ccb->ccb_h.status = CAM_PATH_INVALID;
#endif
}
}
if (ccb->ccb_h.status == CAM_PATH_INVALID) {
printf("%s: invalid tgt/lun (%d.%d) in XPT_SCSI_IO\n",
isp->isp_name, ccb->ccb_h.target_id,
ccb->ccb_h.target_lun);
xpt_done(ccb);
break;
}
s = splcam();
DISABLE_INTS(isp);
switch (ispscsicmd((ISP_SCSI_XFER_T *) ccb)) {
case CMD_QUEUED:
ccb->ccb_h.status |= CAM_SIM_QUEUED;
break;
case CMD_EAGAIN:
if (!(isp->isp_osinfo.simqfrozen & SIMQFRZ_RESOURCE)) {
xpt_freeze_simq(sim, 1);
isp->isp_osinfo.simqfrozen |= SIMQFRZ_RESOURCE;
}
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
xpt_done(ccb);
break;
case CMD_COMPLETE:
/*
* Just make sure that we didn't get it returned
* as completed, but with the request still in
* progress. In theory, 'cannot happen'.
*/
if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
CAM_REQ_INPROG) {
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
}
xpt_done(ccb);
break;
}
ENABLE_INTS(isp);
splx(s);
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*/
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
case XPT_RESET_DEV: /* BDR the specified SCSI device */
tgt = ccb->ccb_h.target_id; /* XXX: Which Bus? */
s = splcam();
error = isp_control(isp, ISPCTL_RESET_DEV, &tgt);
(void) splx(s);
if (error) {
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
} else {
ccb->ccb_h.status = CAM_REQ_CMP;
}
xpt_done(ccb);
break;
case XPT_ABORT: /* Abort the specified CCB */
s = splcam();
error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
(void) splx(s);
if (error) {
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
} else {
ccb->ccb_h.status = CAM_REQ_CMP;
}
xpt_done(ccb);
break;
case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */
cts = &ccb->cts;
tgt = cts->ccb_h.target_id;
s = splcam();
if (isp->isp_type & ISP_HA_FC) {
; /* nothing to change */
} else {
sdparam *sdp = isp->isp_param;
u_int16_t *dptr;
int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
sdp += bus;
#if 0
if (cts->flags & CCB_TRANS_CURRENT_SETTINGS)
dptr = &sdp->isp_devparam[tgt].cur_dflags;
else
dptr = &sdp->isp_devparam[tgt].dev_flags;
#else
/*
* We always update (internally) from dev_flags
* so any request to change settings just gets
* vectored to that location.
*/
dptr = &sdp->isp_devparam[tgt].dev_flags;
#endif
/*
* Note that these operations affect the
* the goal flags (dev_flags)- not
* the current state flags. Then we mark
* things so that the next operation to
* this HBA will cause the update to occur.
*/
if (cts->valid & CCB_TRANS_DISC_VALID) {
if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) {
*dptr |= DPARM_DISC;
} else {
*dptr &= ~DPARM_DISC;
}
}
if (cts->valid & CCB_TRANS_TQ_VALID) {
if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) {
*dptr |= DPARM_TQING;
} else {
*dptr &= ~DPARM_TQING;
}
}
if (cts->valid & CCB_TRANS_BUS_WIDTH_VALID) {
switch (cts->bus_width) {
case MSG_EXT_WDTR_BUS_16_BIT:
*dptr |= DPARM_WIDE;
break;
default:
*dptr &= ~DPARM_WIDE;
}
}
/*
* Any SYNC RATE of nonzero and SYNC_OFFSET
* of nonzero will cause us to go to the
* selected (from NVRAM) maximum value for
* this device. At a later point, we'll
* allow finer control.
*/
if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) &&
(cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) &&
(cts->sync_offset > 0)) {
*dptr |= DPARM_SYNC;
} else {
*dptr &= ~DPARM_SYNC;
}
if (bootverbose || isp->isp_dblev >= 3)
printf("%s: %d.%d set %s period 0x%x offset "
"0x%x flags 0x%x\n", isp->isp_name, bus,
tgt,
(cts->flags & CCB_TRANS_CURRENT_SETTINGS)?
"current" : "user",
sdp->isp_devparam[tgt].sync_period,
sdp->isp_devparam[tgt].sync_offset,
sdp->isp_devparam[tgt].dev_flags);
s = splcam();
sdp->isp_devparam[tgt].dev_update = 1;
isp->isp_update |= (1 << bus);
(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, NULL);
(void) splx(s);
}
(void) splx(s);
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
case XPT_GET_TRAN_SETTINGS:
cts = &ccb->cts;
tgt = cts->ccb_h.target_id;
if (isp->isp_type & ISP_HA_FC) {
/*
* a lot of normal SCSI things don't make sense.
*/
cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
/*
* How do you measure the width of a high
* speed serial bus? Well, in bytes.
*
* Offset and period make no sense, though, so we set
* (above) a 'base' transfer speed to be gigabit.
*/
cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
} else {
sdparam *sdp = isp->isp_param;
u_int16_t dval, pval, oval;
int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
sdp += bus;
if (cts->flags & CCB_TRANS_CURRENT_SETTINGS) {
s = splcam();
/*
* First do a refresh to see if things
* have changed recently!
*/
sdp->isp_devparam[tgt].dev_refresh = 1;
isp->isp_update |= (1 << bus);
(void) isp_control(isp, ISPCTL_UPDATE_PARAMS,
NULL);
(void) splx(s);
dval = sdp->isp_devparam[tgt].cur_dflags;
oval = sdp->isp_devparam[tgt].cur_offset;
pval = sdp->isp_devparam[tgt].cur_period;
} else {
dval = sdp->isp_devparam[tgt].dev_flags;
oval = sdp->isp_devparam[tgt].sync_offset;
pval = sdp->isp_devparam[tgt].sync_period;
}
s = splcam();
cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
if (dval & DPARM_DISC) {
cts->flags |= CCB_TRANS_DISC_ENB;
}
if (dval & DPARM_TQING) {
cts->flags |= CCB_TRANS_TAG_ENB;
}
if (dval & DPARM_WIDE) {
cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
} else {
cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
}
cts->valid = CCB_TRANS_BUS_WIDTH_VALID |
CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
if ((dval & DPARM_SYNC) && oval != 0) {
cts->sync_period = pval;
cts->sync_offset = oval;
cts->valid |=
CCB_TRANS_SYNC_RATE_VALID |
CCB_TRANS_SYNC_OFFSET_VALID;
}
splx(s);
if (bootverbose || isp->isp_dblev >= 3)
printf("%s: %d.%d get %s period 0x%x offset "
"0x%x flags 0x%x\n", isp->isp_name, bus,
tgt,
(cts->flags & CCB_TRANS_CURRENT_SETTINGS)?
"current" : "user", pval, oval, dval);
}
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
case XPT_CALC_GEOMETRY:
{
struct ccb_calc_geometry *ccg;
u_int32_t secs_per_cylinder;
u_int32_t size_mb;
ccg = &ccb->ccg;
if (ccg->block_size == 0) {
printf("%s: %d.%d XPT_CALC_GEOMETRY block size 0?\n",
isp->isp_name, ccg->ccb_h.target_id,
ccg->ccb_h.target_lun);
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
size_mb = ccg->volume_size /((1024L * 1024L) / ccg->block_size);
if (size_mb > 1024) {
ccg->heads = 255;
ccg->secs_per_track = 63;
} else {
ccg->heads = 64;
ccg->secs_per_track = 32;
}
secs_per_cylinder = ccg->heads * ccg->secs_per_track;
ccg->cylinders = ccg->volume_size / secs_per_cylinder;
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
}
case XPT_RESET_BUS: /* Reset the specified bus */
tgt = cam_sim_bus(sim);
s = splcam();
error = isp_control(isp, ISPCTL_RESET_BUS, &tgt);
(void) splx(s);
if (error)
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
else {
if (cam_sim_bus(sim) && isp->isp_path2 != NULL)
xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
else if (isp->isp_path != NULL)
xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
ccb->ccb_h.status = CAM_REQ_CMP;
}
xpt_done(ccb);
break;
case XPT_TERM_IO: /* Terminate the I/O process */
/* Does this need to be implemented? */
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;
cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
cpi->target_sprt = 0;
cpi->hba_eng_cnt = 0;
if (IS_FC(isp)) {
cpi->hba_misc = PIM_NOBUSRESET;
cpi->max_target = MAX_FC_TARG-1;
cpi->initiator_id =
((fcparam *)isp->isp_param)->isp_loopid;
#ifdef SCCLUN
cpi->max_lun = (1 << 16) - 1;
#else
cpi->max_lun = (1 << 4) - 1;
#endif
/*
* Set base transfer capabilities for Fibre Channel.
* Technically not correct because we don't know
* what media we're running on top of- but we'll
* look good if we always say 100MB/s.
*/
cpi->base_transfer_speed = 100000;
} else {
sdparam *sdp = isp->isp_param;
sdp += cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
cpi->hba_misc = 0;
cpi->initiator_id = sdp->isp_initiator_id;
cpi->max_target = MAX_TARGETS-1;
if (ISP_FW_REVX(isp->isp_fwrev) >=
ISP_FW_REV(7, 55, 0)) {
#if 0
/*
* Too much breakage.
*/
cpi->max_lun = (1 << 5) - 1;
#else
cpi->max_lun = (1 << 3) - 1;
#endif
} else {
cpi->max_lun = (1 << 3) - 1;
}
cpi->base_transfer_speed = 3300;
}
cpi->bus_id = cam_sim_bus(sim);
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "Qlogic", 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;
xpt_done(ccb);
break;
}
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
xpt_done(ccb);
break;
}
}
/***********************************************************************
* 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
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;
}
}
static void
mfip_cam_action(struct cam_sim *sim, union ccb *ccb)
{
struct mfip_softc *sc = cam_sim_softc(sim);
struct mfi_softc *mfisc = sc->mfi_sc;
mtx_assert(&mfisc->mfi_io_lock, MA_OWNED);
switch (ccb->ccb_h.func_code) {
case XPT_PATH_INQ:
{
struct ccb_pathinq *cpi = &ccb->cpi;
cpi->version_num = 1;
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 = MFI_SCSI_MAX_TARGETS;
cpi->max_lun = MFI_SCSI_MAX_LUNS;
cpi->initiator_id = MFI_SCSI_INITIATOR_ID;
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 = 150000;
cpi->transport = XPORT_SAS;
cpi->transport_version = 0;
cpi->protocol = PROTO_SCSI;
cpi->protocol_version = SCSI_REV_2;
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_RESET_BUS:
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_RESET_DEV:
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_GET_TRAN_SETTINGS:
{
struct ccb_trans_settings_sas *sas =
&ccb->cts.xport_specific.sas;
ccb->cts.protocol = PROTO_SCSI;
ccb->cts.protocol_version = SCSI_REV_2;
ccb->cts.transport = XPORT_SAS;
ccb->cts.transport_version = 0;
sas->valid &= ~CTS_SAS_VALID_SPEED;
sas->bitrate = 150000;
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_SET_TRAN_SETTINGS:
ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
break;
case XPT_SCSI_IO:
{
struct ccb_hdr *ccbh = &ccb->ccb_h;
struct ccb_scsiio *csio = &ccb->csio;
ccbh->status = CAM_REQ_INPROG;
if (csio->cdb_len > MFI_SCSI_MAX_CDB_LEN) {
ccbh->status = CAM_REQ_INVALID;
break;
}
if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if (ccbh->flags & CAM_DATA_PHYS) {
ccbh->status = CAM_REQ_INVALID;
break;
}
if (ccbh->flags & CAM_SCATTER_VALID) {
ccbh->status = CAM_REQ_INVALID;
break;
}
}
ccbh->ccb_mfip_ptr = sc;
TAILQ_INSERT_TAIL(&mfisc->mfi_cam_ccbq, ccbh, sim_links.tqe);
mfi_startio(mfisc);
return;
}
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
xpt_done(ccb);
return;
}
static void
wds_action(struct cam_sim * sim, union ccb * ccb)
{
int unit = cam_sim_unit(sim);
int s;
DBG(DBX "wds%d: action 0x%x\n", unit, ccb->ccb_h.func_code);
switch (ccb->ccb_h.func_code) {
case XPT_SCSI_IO:
s = splcam();
DBG(DBX "wds%d: SCSI IO entered\n", unit);
wds_scsi_io(sim, &ccb->csio);
DBG(DBX "wds%d: SCSI IO returned\n", unit);
splx(s);
break;
case XPT_RESET_BUS:
/* how to do it right ? */
printf("wds%d: reset\n", unit);
ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(ccb);
break;
case XPT_ABORT:
ccb->ccb_h.status = CAM_UA_ABORT;
xpt_done(ccb);
break;
case XPT_CALC_GEOMETRY:
{
struct ccb_calc_geometry *ccg;
u_int32_t size_mb;
u_int32_t secs_per_cylinder;
ccg = &ccb->ccg;
size_mb = ccg->volume_size
/ ((1024L * 1024L) / ccg->block_size);
ccg->heads = 64;
ccg->secs_per_track = 16;
secs_per_cylinder = ccg->heads * ccg->secs_per_track;
ccg->cylinders = ccg->volume_size / secs_per_cylinder;
ccb->ccb_h.status = CAM_REQ_CMP;
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 = 0; /* nothing fancy */
cpi->target_sprt = 0;
cpi->hba_misc = 0;
cpi->hba_eng_cnt = 0;
cpi->max_target = 7;
cpi->max_lun = 7;
cpi->initiator_id = WDS_HBA_ID;
cpi->hba_misc = 0;
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 3300;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "WD/FDC", 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;
xpt_done(ccb);
break;
}
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:
{
struct ccb_calc_geometry *geom;
twa_dbg_dprint(3, sc, "XPT_CALC_GEOMETRY request");
geom = &ccb->ccg;
if (geom->volume_size > 0x200000) /* 1 GB */ {
geom->heads = 255;
geom->secs_per_track = 63;
} else {
geom->heads = 64;
geom->secs_per_track = 32;
}
geom->cylinders = geom->volume_size /
(geom->heads * geom->secs_per_track);
ccb_h->status = CAM_REQ_CMP;
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;
}
}
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:
ccb->ccg.heads = 255;
ccb->ccg.secs_per_track = 63;
ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
ccb->ccb_h.status = CAM_REQ_CMP;
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 an action requested by CAM
*/
static void
mly_cam_action(struct cam_sim *sim, union ccb *ccb)
{
struct mly_softc *sc = cam_sim_softc(sim);
debug_called(2);
switch (ccb->ccb_h.func_code) {
/* perform SCSI I/O */
case XPT_SCSI_IO:
{
struct ccb_scsiio *csio = &ccb->csio;
int bus, target;
bus = cam_sim_bus(sim);
target = csio->ccb_h.target_id;
debug(2, "XPT_SCSI_IO %d:%d:%d", bus, target, ccb->ccb_h.target_lun);
/* check for I/O attempt to a protected device */
if (sc->mly_btl[bus][target].mb_flags & MLY_BTL_PROTECTED) {
debug(2, " device protected");
csio->ccb_h.status = CAM_REQ_CMP_ERR;
}
/* check for I/O attempt to nonexistent device */
if (!(sc->mly_btl[bus][target].mb_flags & (MLY_BTL_LOGICAL | MLY_BTL_PHYSICAL))) {
debug(2, " device does not exist");
csio->ccb_h.status = CAM_REQ_CMP_ERR;
}
/* XXX increase if/when we support large SCSI commands */
if (csio->cdb_len > MLY_CMD_SCSI_SMALL_CDB) {
debug(2, " command too large (%d > %d)", csio->cdb_len, MLY_CMD_SCSI_SMALL_CDB);
csio->ccb_h.status = CAM_REQ_CMP_ERR;
}
/* check that the CDB pointer is not to a physical address */
if ((csio->ccb_h.flags & CAM_CDB_POINTER) && (csio->ccb_h.flags & CAM_CDB_PHYS)) {
debug(2, " CDB pointer is to physical address");
csio->ccb_h.status = CAM_REQ_CMP_ERR;
}
/* if there is data transfer, it must be to/from a virtual address */
if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if (csio->ccb_h.flags & CAM_DATA_PHYS) { /* we can't map it */
debug(2, " data pointer is to physical address");
csio->ccb_h.status = CAM_REQ_CMP_ERR;
}
if (csio->ccb_h.flags & CAM_SCATTER_VALID) { /* we want to do the s/g setup */
debug(2, " data has premature s/g setup");
csio->ccb_h.status = CAM_REQ_CMP_ERR;
}
}
/* abandon aborted ccbs or those that have failed validation */
if ((csio->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
debug(2, "abandoning CCB due to abort/validation failure");
break;
}
/* save the channel number in the ccb */
csio->ccb_h.sim_priv.entries[0].field = bus;
/* enqueue the ccb and start I/O */
mly_enqueue_ccb(sc, ccb);
mly_startio(sc);
return;
}
/* perform geometry calculations */
case XPT_CALC_GEOMETRY:
{
struct ccb_calc_geometry *ccg = &ccb->ccg;
u_int32_t secs_per_cylinder;
debug(2, "XPT_CALC_GEOMETRY %d:%d:%d", cam_sim_bus(sim), ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
if (sc->mly_controllerparam->bios_geometry == MLY_BIOSGEOM_8G) {
ccg->heads = 255;
ccg->secs_per_track = 63;
} else { /* MLY_BIOSGEOM_2G */
ccg->heads = 128;
ccg->secs_per_track = 32;
}
secs_per_cylinder = ccg->heads * ccg->secs_per_track;
ccg->cylinders = ccg->volume_size / secs_per_cylinder;
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
/* handle path attribute inquiry */
case XPT_PATH_INQ:
{
struct ccb_pathinq *cpi = &ccb->cpi;
debug(2, "XPT_PATH_INQ %d:%d:%d", cam_sim_bus(sim), ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
cpi->version_num = 1;
cpi->hba_inquiry = PI_TAG_ABLE; /* XXX extra flags for physical channels? */
cpi->target_sprt = 0;
cpi->hba_misc = 0;
cpi->max_target = MLY_MAX_TARGETS - 1;
cpi->max_lun = MLY_MAX_LUNS - 1;
cpi->initiator_id = sc->mly_controllerparam->initiator_id;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "BSDi", 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 what to set this to? */
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
default: /* we can't do this */
debug(2, "unspported func_code = 0x%x", ccb->ccb_h.func_code);
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
xpt_done(ccb);
}
