int
tws_get_param(struct tws_softc *sc, u_int32_t table_id, u_int32_t param_id,
u_int32_t param_size, void *data)
{
struct tws_request *req;
struct tws_command_packet *cmd_pkt;
union tws_command_giga *cmd;
struct tws_getset_param *param;
u_int16_t reqid;
u_int64_t mfa;
int error = SUCCESS;
req = tws_get_request(sc, TWS_REQ_TYPE_GETSET_PARAM);
if ( req == NULL ) {
TWS_TRACE_DEBUG(sc, "null req", 0, 0);
return(FAILURE);
}
req->length = TWS_SECTOR_SIZE;
req->data = malloc(TWS_SECTOR_SIZE, M_TWS, M_NOWAIT);
if ( req->data == NULL )
return(FAILURE);
bzero(req->data, TWS_SECTOR_SIZE);
param = (struct tws_getset_param *)req->data;
req->cb = NULL;
req->flags = TWS_DIR_IN;
cmd_pkt = req->cmd_pkt;
cmd = &cmd_pkt->cmd.pkt_g;
cmd->param.sgl_off__opcode =
BUILD_SGL_OFF__OPCODE(2, TWS_FW_CMD_GET_PARAM);
cmd->param.request_id = (u_int8_t)req->request_id;
cmd->param.host_id__unit = 0;
cmd->param.param_count = 1;
cmd->param.size = 2; /* map routine will add sgls */
/* Specify which parameter we want to set. */
param->table_id = (table_id | TWS_9K_PARAM_DESCRIPTOR);
param->parameter_id = (u_int8_t)(param_id);
param->parameter_size_bytes = (u_int16_t)param_size;
error = tws_map_request(sc, req);
if (!error) {
reqid = tws_poll4_response(sc, &mfa);
tws_unmap_request(sc, req);
if ( reqid == TWS_REQ_TYPE_GETSET_PARAM ) {
memcpy(data, param->data, param_size);
} else {
error = FAILURE;
}
}
free(req->data, M_TWS);
req->state = TWS_REQ_STATE_FREE;
return(error);
}
int
tws_send_generic_cmd(struct tws_softc *sc, u_int8_t opcode)
{
struct tws_request *req;
struct tws_cmd_generic *cmd;
TWS_TRACE_DEBUG(sc, "entry", sc, opcode);
req = tws_get_request(sc, TWS_REQ_TYPE_INTERNAL_CMD);
if ( req == NULL ) {
TWS_TRACE_DEBUG(sc, "no requests", 0, 0);
return(FAILURE);
}
cmd = &(req->cmd_pkt->cmd.pkt_g.generic);
bzero(cmd, sizeof(struct tws_cmd_generic));
/* req->cmd_pkt->hdr.header_desc.size_header = 128; */
req->cb = tws_cmd_complete;
cmd->sgl_off__opcode = BUILD_RES__OPCODE(0, opcode);
cmd->size = 2;
cmd->request_id = req->request_id;
cmd->host_id__unit = 0;
cmd->status = 0;
cmd->flags = 0;
cmd->count = 0;
req->error_code = tws_submit_command(sc, req);
return(SUCCESS);
}
int
tws_set_param(struct tws_softc *sc, u_int32_t table_id, u_int32_t param_id,
u_int32_t param_size, void *data)
{
struct tws_request *req;
struct tws_command_packet *cmd_pkt;
union tws_command_giga *cmd;
struct tws_getset_param *param;
int error;
req = tws_get_request(sc, TWS_REQ_TYPE_GETSET_PARAM);
if ( req == NULL ) {
TWS_TRACE_DEBUG(sc, "null req", 0, 0);
return(ENOMEM);
}
req->length = TWS_SECTOR_SIZE;
req->data = malloc(TWS_SECTOR_SIZE, M_TWS, M_NOWAIT);
if ( req->data == NULL )
return(ENOMEM);
bzero(req->data, TWS_SECTOR_SIZE);
param = (struct tws_getset_param *)req->data;
req->cb = tws_getset_param_complete;
req->flags = TWS_DIR_OUT;
cmd_pkt = req->cmd_pkt;
cmd = &cmd_pkt->cmd.pkt_g;
cmd->param.sgl_off__opcode =
BUILD_SGL_OFF__OPCODE(2, TWS_FW_CMD_SET_PARAM);
cmd->param.request_id = (u_int8_t)req->request_id;
cmd->param.host_id__unit = 0;
cmd->param.param_count = 1;
cmd->param.size = 2; /* map routine will add sgls */
/* Specify which parameter we want to set. */
param->table_id = (table_id | TWS_9K_PARAM_DESCRIPTOR);
param->parameter_id = (u_int8_t)(param_id);
param->parameter_size_bytes = (u_int16_t)param_size;
memcpy(param->data, data, param_size);
req->thandle = timeout(tws_timeout, req, (TWS_IOCTL_TIMEOUT * hz));
error = tws_map_request(sc, req);
return(error);
}
int
tws_send_scsi_cmd(struct tws_softc *sc, int cmd)
{
struct tws_request *req;
struct tws_command_packet *cmd_pkt;
int error;
TWS_TRACE_DEBUG(sc, "entry",sc, cmd);
req = tws_get_request(sc, TWS_AEN_FETCH_REQ);
if ( req == NULL )
return(ENOMEM);
req->type = TWS_AEN_FETCH_REQ;
req->cb = tws_aen_complete;
cmd_pkt = req->cmd_pkt;
cmd_pkt->cmd.pkt_a.res__opcode = TWS_FW_CMD_EXECUTE_SCSI;
cmd_pkt->cmd.pkt_a.status = 0;
cmd_pkt->cmd.pkt_a.unit = 0;
cmd_pkt->cmd.pkt_a.sgl_offset = 16;
cmd_pkt->cmd.pkt_a.lun_l4__req_id = req->request_id;
cmd_pkt->cmd.pkt_a.cdb[0] = (u_int8_t)cmd;
cmd_pkt->cmd.pkt_a.cdb[4] = 128;
req->length = TWS_SECTOR_SIZE;
req->data = kmalloc(TWS_SECTOR_SIZE, M_TWS, M_NOWAIT | M_ZERO);
if ( req->data == NULL )
return(ENOMEM);
req->flags = TWS_DIR_IN;
callout_reset(&req->thandle, (TWS_IO_TIMEOUT * hz), tws_timeout, req);
error = tws_map_request(sc, req);
return(error);
}
int
tws_init_connect(struct tws_softc *sc, u_int16_t mcreadits )
{
struct tws_request *req;
struct tws_cmd_init_connect *initc;
u_int16_t reqid;
u_int64_t mfa;
TWS_TRACE_DEBUG(sc, "entry", 0, mcreadits);
#if 0
req = tws_get_request(sc, TWS_REQ_TYPE_INTERNAL_CMD);
#else // 0
req = &sc->reqs[TWS_REQ_TYPE_INTERNAL_CMD];
bzero(&req->cmd_pkt->cmd, sizeof(struct tws_command_apache));
req->data = NULL;
req->length = 0;
req->type = TWS_REQ_TYPE_INTERNAL_CMD;
req->flags = TWS_DIR_UNKNOWN;
req->error_code = TWS_REQ_RET_INVALID;
req->cb = NULL;
req->ccb_ptr = NULL;
req->thandle.callout = NULL;
req->next = req->prev = NULL;
req->state = TWS_REQ_STATE_BUSY;
#endif // 0
if ( req == NULL ) {
TWS_TRACE_DEBUG(sc, "no requests", 0, 0);
// device_printf(sc->tws_dev, "No requests for initConnect\n");
return(FAILURE);
}
tws_swap16(0xbeef); /* just for test */
tws_swap32(0xdeadbeef); /* just for test */
tws_swap64(0xdeadbeef); /* just for test */
initc = &(req->cmd_pkt->cmd.pkt_g.init_connect);
/* req->cmd_pkt->hdr.header_desc.size_header = 128; */
initc->res1__opcode =
BUILD_RES__OPCODE(0, TWS_FW_CMD_INIT_CONNECTION);
initc->size = 6;
initc->request_id = req->request_id;
initc->message_credits = mcreadits;
initc->features |= TWS_BIT_EXTEND;
if ( sc->is64bit && !tws_use_32bit_sgls )
initc->features |= TWS_64BIT_SG_ADDRESSES;
/* assuming set features is always on */
initc->size = 6;
initc->fw_srl = sc->cinfo.working_srl = TWS_CURRENT_FW_SRL;
initc->fw_arch_id = 0;
initc->fw_branch = sc->cinfo.working_branch = 0;
initc->fw_build = sc->cinfo.working_build = 0;
req->error_code = tws_submit_command(sc, req);
reqid = tws_poll4_response(sc, &mfa);
if ( reqid != TWS_INVALID_REQID && reqid == req->request_id ) {
sc->cinfo.fw_on_ctlr_srl = initc->fw_srl;
sc->cinfo.fw_on_ctlr_branch = initc->fw_branch;
sc->cinfo.fw_on_ctlr_build = initc->fw_build;
sc->stats.reqs_out++;
req->state = TWS_REQ_STATE_FREE;
}
else {
/*
* REVISIT::If init connect fails we need to reset the ctlr
* and try again?
*/
TWS_TRACE(sc, "unexpected req_id ", reqid, 0);
TWS_TRACE(sc, "INITCONNECT FAILED", reqid, 0);
return(FAILURE);
}
return(SUCCESS);
}
static int
tws_passthru(struct tws_softc *sc, void *buf)
{
struct tws_request *req;
struct tws_ioctl_no_data_buf *ubuf = (struct tws_ioctl_no_data_buf *)buf;
int error;
u_int16_t lun4;
if ( tws_get_state(sc) != TWS_ONLINE) {
return(EBUSY);
}
//==============================================================================================
// Get a command
//
do {
req = tws_get_request(sc, TWS_REQ_TYPE_PASSTHRU);
if ( !req ) {
error = tsleep(sc, 0, "tws_sleep", TWS_IOCTL_TIMEOUT*hz);
if ( error == EWOULDBLOCK ) {
return(ETIMEDOUT);
}
} else {
// Make sure we are still ready for new commands...
if ( tws_get_state(sc) != TWS_ONLINE) {
return(EBUSY);
}
break;
}
} while(1);
req->length = (ubuf->driver_pkt.buffer_length + 511) & ~511;
TWS_TRACE_DEBUG(sc, "datal,rid", req->length, req->request_id);
if ( req->length ) {
req->data = sc->ioctl_data_mem;
req->dma_map = sc->ioctl_data_map;
//==========================================================================================
// Copy data in from user space
//
error = copyin(ubuf->pdata, req->data, req->length);
}
//==============================================================================================
// Set command fields
//
req->flags = TWS_DIR_IN | TWS_DIR_OUT;
req->cb = tws_passthru_complete;
memcpy(&req->cmd_pkt->cmd, &ubuf->cmd_pkt.cmd,
sizeof(struct tws_command_apache));
if ( GET_OPCODE(req->cmd_pkt->cmd.pkt_a.res__opcode) ==
TWS_FW_CMD_EXECUTE_SCSI ) {
lun4 = req->cmd_pkt->cmd.pkt_a.lun_l4__req_id & 0xF000;
req->cmd_pkt->cmd.pkt_a.lun_l4__req_id = lun4 | req->request_id;
} else {
req->cmd_pkt->cmd.pkt_g.generic.request_id = (u_int8_t) req->request_id;
}
//==============================================================================================
// Send command to controller
//
error = tws_map_request(sc, req);
if (error) {
ubuf->driver_pkt.os_status = error;
goto out_data;
}
if ( req->state == TWS_REQ_STATE_COMPLETE ) {
ubuf->driver_pkt.os_status = req->error_code;
goto out_unmap;
}
mtx_lock(&sc->gen_lock);
error = mtx_sleep(req, &sc->gen_lock, 0, "tws_passthru", TWS_IOCTL_TIMEOUT*hz);
mtx_unlock(&sc->gen_lock);
if (( req->state != TWS_REQ_STATE_COMPLETE ) && ( error == EWOULDBLOCK )) {
TWS_TRACE_DEBUG(sc, "msleep timeout", error, req->request_id);
tws_timeout((void*) req);
}
out_unmap:
if ( req->error_code == TWS_REQ_RET_RESET ) {
error = EBUSY;
req->error_code = EBUSY;
TWS_TRACE_DEBUG(sc, "ioctl reset", error, req->request_id);
}
tws_unmap_request(sc, req);
//==============================================================================================
// Return command status to user space
//
memcpy(&ubuf->cmd_pkt.hdr, &req->cmd_pkt->hdr, sizeof(struct tws_command_apache));
memcpy(&ubuf->cmd_pkt.cmd, &req->cmd_pkt->cmd, sizeof(struct tws_command_apache));
out_data:
if ( req->length ) {
//==========================================================================================
// Copy data out to user space
//
if ( !error )
error = copyout(req->data, ubuf->pdata, ubuf->driver_pkt.buffer_length);
}
if ( error )
TWS_TRACE_DEBUG(sc, "errored", error, 0);
if ( req->error_code != TWS_REQ_RET_SUBMIT_SUCCESS )
ubuf->driver_pkt.os_status = error;
//==============================================================================================
// Free command
//
req->state = TWS_REQ_STATE_FREE;
wakeup_one(sc);
return(error);
}
static int32_t
tws_execute_scsi(struct tws_softc *sc, union ccb *ccb)
{
struct tws_command_packet *cmd_pkt;
struct tws_request *req;
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
struct ccb_scsiio *csio = &(ccb->csio);
int error;
u_int16_t lun;
mtx_assert(&sc->sim_lock, MA_OWNED);
if (ccb_h->target_id >= TWS_MAX_NUM_UNITS) {
TWS_TRACE_DEBUG(sc, "traget id too big", ccb_h->target_id, ccb_h->target_lun);
ccb_h->status |= CAM_TID_INVALID;
xpt_done(ccb);
return(0);
}
if (ccb_h->target_lun >= TWS_MAX_NUM_LUNS) {
TWS_TRACE_DEBUG(sc, "target lun 2 big", ccb_h->target_id, ccb_h->target_lun);
ccb_h->status |= CAM_LUN_INVALID;
xpt_done(ccb);
return(0);
}
if(ccb_h->flags & CAM_CDB_PHYS) {
TWS_TRACE_DEBUG(sc, "cdb phy", ccb_h->target_id, ccb_h->target_lun);
ccb_h->status = CAM_REQ_INVALID;
xpt_done(ccb);
return(0);
}
/*
* We are going to work on this request. Mark it as enqueued (though
* we don't actually queue it...)
*/
ccb_h->status |= CAM_SIM_QUEUED;
req = tws_get_request(sc, TWS_REQ_TYPE_SCSI_IO);
if ( !req ) {
TWS_TRACE_DEBUG(sc, "no reqs", ccb_h->target_id, ccb_h->target_lun);
ccb_h->status |= CAM_REQUEUE_REQ;
xpt_done(ccb);
return(0);
}
if((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if(ccb_h->flags & CAM_DIR_IN)
req->flags |= TWS_DIR_IN;
if(ccb_h->flags & CAM_DIR_OUT)
req->flags |= TWS_DIR_OUT;
} else {
req->flags = TWS_DIR_NONE; /* no data */
}
req->type = TWS_REQ_TYPE_SCSI_IO;
req->cb = tws_scsi_complete;
cmd_pkt = req->cmd_pkt;
/* cmd_pkt->hdr.header_desc.size_header = 128; */
cmd_pkt->cmd.pkt_a.res__opcode = TWS_FW_CMD_EXECUTE_SCSI;
cmd_pkt->cmd.pkt_a.unit = ccb_h->target_id;
cmd_pkt->cmd.pkt_a.status = 0;
cmd_pkt->cmd.pkt_a.sgl_offset = 16;
/* lower nibble */
lun = ccb_h->target_lun & 0XF;
lun = lun << 12;
cmd_pkt->cmd.pkt_a.lun_l4__req_id = lun | req->request_id;
/* upper nibble */
lun = ccb_h->target_lun & 0XF0;
lun = lun << 8;
cmd_pkt->cmd.pkt_a.lun_h4__sgl_entries = lun;
#ifdef TWS_DEBUG
if ( csio->cdb_len > 16 )
TWS_TRACE(sc, "cdb len too big", ccb_h->target_id, csio->cdb_len);
#endif
if(ccb_h->flags & CAM_CDB_POINTER)
bcopy(csio->cdb_io.cdb_ptr, cmd_pkt->cmd.pkt_a.cdb, csio->cdb_len);
else
bcopy(csio->cdb_io.cdb_bytes, cmd_pkt->cmd.pkt_a.cdb, csio->cdb_len);
req->data = ccb;
req->flags |= TWS_DATA_CCB;
/* save ccb ptr */
req->ccb_ptr = ccb;
/*
* tws_map_load_data_callback will fill in the SGL,
* and submit the I/O.
*/
sc->stats.scsi_ios++;
ccb_h->timeout_ch = timeout(tws_timeout, req, (ccb_h->timeout * hz)/1000);
error = tws_map_request(sc, req);
return(error);
}
static int
tws_passthru(struct tws_softc *sc, void *buf)
{
struct tws_request *req;
struct tws_ioctl_no_data_buf *ubuf = (struct tws_ioctl_no_data_buf *)buf;
int error;
u_int16_t lun4;
if ( tws_get_state(sc) == TWS_RESET ) {
return(EBUSY);
}
do {
req = tws_get_request(sc, TWS_PASSTHRU_REQ);
if ( !req ) {
sc->chan = 1;
error = tsleep((void *)&sc->chan, 0,
"tws_sleep", TWS_IO_TIMEOUT*hz);
if ( error == EWOULDBLOCK ) {
return(ETIMEDOUT);
}
} else {
break;
}
}while(1);
req->length = ubuf->driver_pkt.buffer_length;
TWS_TRACE_DEBUG(sc, "datal,rid", req->length, req->request_id);
if ( req->length ) {
req->data = kmalloc(req->length, M_TWS, M_WAITOK | M_ZERO);
error = copyin(ubuf->pdata, req->data, req->length);
}
req->flags = TWS_DIR_IN | TWS_DIR_OUT;
req->cb = tws_passthru_complete;
memcpy(&req->cmd_pkt->cmd, &ubuf->cmd_pkt.cmd,
sizeof(struct tws_command_apache));
if ( GET_OPCODE(req->cmd_pkt->cmd.pkt_a.res__opcode) ==
TWS_FW_CMD_EXECUTE_SCSI ) {
lun4 = req->cmd_pkt->cmd.pkt_a.lun_l4__req_id & 0xF000;
req->cmd_pkt->cmd.pkt_a.lun_l4__req_id = lun4 | req->request_id;
} else {
req->cmd_pkt->cmd.pkt_g.generic.request_id = (u_int8_t) req->request_id;
}
lockmgr(&sc->gen_lock, LK_EXCLUSIVE);
req->error_code = tws_map_request(sc, req);
error = lksleep(req, &sc->gen_lock, 0, "tws_passthru", TWS_IO_TIMEOUT*hz);
if ( error == EWOULDBLOCK ) {
error = ETIMEDOUT;
TWS_TRACE_DEBUG(sc, "lksleep timeout", error, req->request_id);
tws_reset((void *)sc);
}
if ( req->error_code == TWS_REQ_REQUEUE ) {
error = EBUSY;
}
tws_unmap_request(sc, req);
memcpy(&ubuf->cmd_pkt.hdr, &req->cmd_pkt->hdr, sizeof(struct tws_command_apache));
memcpy(&ubuf->cmd_pkt.cmd, &req->cmd_pkt->cmd, sizeof(struct tws_command_apache));
if ( !error && req->length ) {
error = copyout(req->data, ubuf->pdata, req->length);
}
kfree(req->data, M_TWS);
req->state = TWS_REQ_STATE_FREE;
lockmgr(&sc->gen_lock, LK_RELEASE);
if ( error )
TWS_TRACE_DEBUG(sc, "errored", error, 0);
if ( req->error_code != TWS_REQ_SUBMIT_SUCCESS )
ubuf->driver_pkt.os_status = error;
if ( sc->chan && tws_get_state(sc) != TWS_RESET ) {
sc->chan = 0;
wakeup((void *)&sc->chan);
}
return(error);
}
static int32_t
tws_execute_scsi(struct tws_softc *sc, union ccb *ccb)
{
struct tws_command_packet *cmd_pkt;
struct tws_request *req;
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
struct ccb_scsiio *csio = &(ccb->csio);
int error;
u_int16_t lun;
KKASSERT(lockstatus(&sc->sim_lock, curthread) != 0);
if (ccb_h->target_id >= TWS_MAX_NUM_UNITS) {
TWS_TRACE_DEBUG(sc, "traget id too big", ccb_h->target_id, ccb_h->target_lun);
ccb_h->status |= CAM_TID_INVALID;
xpt_done(ccb);
return(0);
}
if (ccb_h->target_lun >= TWS_MAX_NUM_LUNS) {
TWS_TRACE_DEBUG(sc, "target lun 2 big", ccb_h->target_id, ccb_h->target_lun);
ccb_h->status |= CAM_LUN_INVALID;
xpt_done(ccb);
return(0);
}
if(ccb_h->flags & CAM_CDB_PHYS) {
TWS_TRACE_DEBUG(sc, "cdb phy", ccb_h->target_id, ccb_h->target_lun);
ccb_h->status = CAM_REQ_CMP_ERR;
xpt_done(ccb);
return(0);
}
/*
* We are going to work on this request. Mark it as enqueued (though
* we don't actually queue it...)
*/
ccb_h->status |= CAM_SIM_QUEUED;
req = tws_get_request(sc, TWS_SCSI_IO_REQ);
if ( !req ) {
TWS_TRACE_DEBUG(sc, "no reqs", ccb_h->target_id, ccb_h->target_lun);
/* tws_freeze_simq(sc); */
ccb_h->status |= CAM_REQUEUE_REQ;
xpt_done(ccb);
return(0);
}
if((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if(ccb_h->flags & CAM_DIR_IN)
req->flags = TWS_DIR_IN;
else
req->flags = TWS_DIR_OUT;
} else {
req->flags = TWS_DIR_NONE; /* no data */
}
req->type = TWS_SCSI_IO_REQ;
req->cb = tws_scsi_complete;
cmd_pkt = req->cmd_pkt;
/* cmd_pkt->hdr.header_desc.size_header = 128; */
cmd_pkt->cmd.pkt_a.res__opcode = TWS_FW_CMD_EXECUTE_SCSI;
cmd_pkt->cmd.pkt_a.unit = ccb_h->target_id;
cmd_pkt->cmd.pkt_a.status = 0;
cmd_pkt->cmd.pkt_a.sgl_offset = 16;
/* lower nibble */
lun = ccb_h->target_lun & 0XF;
lun = lun << 12;
cmd_pkt->cmd.pkt_a.lun_l4__req_id = lun | req->request_id;
/* upper nibble */
lun = ccb_h->target_lun & 0XF0;
lun = lun << 8;
cmd_pkt->cmd.pkt_a.lun_h4__sgl_entries = lun;
#ifdef TWS_DEBUG
if ( csio->cdb_len > 16 )
TWS_TRACE(sc, "cdb len too big", ccb_h->target_id, csio->cdb_len);
#endif
if(ccb_h->flags & CAM_CDB_POINTER)
bcopy(csio->cdb_io.cdb_ptr, cmd_pkt->cmd.pkt_a.cdb, csio->cdb_len);
else
bcopy(csio->cdb_io.cdb_bytes, cmd_pkt->cmd.pkt_a.cdb, csio->cdb_len);
if (!(ccb_h->flags & CAM_DATA_PHYS)) {
/* Virtual data addresses. Need to convert them... */
if (!(ccb_h->flags & CAM_SCATTER_VALID)) {
if (csio->dxfer_len > TWS_MAX_IO_SIZE) {
TWS_TRACE(sc, "I/O is big", csio->dxfer_len, 0);
tws_release_request(req);
ccb_h->status = CAM_REQ_TOO_BIG;
xpt_done(ccb);
return(0);
}
req->length = csio->dxfer_len;
if (req->length) {
req->data = csio->data_ptr;
/* there is 1 sgl_entrie */
/* cmd_pkt->cmd.pkt_a.lun_h4__sgl_entries |= 1; */
}
} else {
TWS_TRACE_DEBUG(sc, "got sglist", ccb_h->target_id, ccb_h->target_lun);
tws_release_request(req);
ccb_h->status = CAM_REQ_CMP_ERR;
xpt_done(ccb);
return(0);
}
} else {
/* Data addresses are physical. */
TWS_TRACE_DEBUG(sc, "Phy data addr", ccb_h->target_id, ccb_h->target_lun);
tws_release_request(req);
ccb_h->status = CAM_REQ_CMP_ERR;
ccb_h->status |= CAM_RELEASE_SIMQ;
ccb_h->status &= ~CAM_SIM_QUEUED;
xpt_done(ccb);
return(0);
}
/* save ccb ptr */
req->ccb_ptr = ccb;
/*
* tws_map_load_data_callback will fill in the SGL,
* and submit the I/O.
*/
sc->stats.scsi_ios++;
callout_reset(ccb_h->timeout_ch, (ccb_h->timeout * hz)/1000,
tws_timeout, req);
error = tws_map_request(sc, req);
return(error);
}