Lines Matching refs:fsp
138 struct fc_fcp_pkt *fsp; in fc_fcp_pkt_alloc() local
140 fsp = mempool_alloc(si->scsi_pkt_pool, gfp); in fc_fcp_pkt_alloc()
141 if (fsp) { in fc_fcp_pkt_alloc()
142 memset(fsp, 0, sizeof(*fsp)); in fc_fcp_pkt_alloc()
143 fsp->lp = lport; in fc_fcp_pkt_alloc()
144 fsp->xfer_ddp = FC_XID_UNKNOWN; in fc_fcp_pkt_alloc()
145 refcount_set(&fsp->ref_cnt, 1); in fc_fcp_pkt_alloc()
146 timer_setup(&fsp->timer, NULL, 0); in fc_fcp_pkt_alloc()
147 INIT_LIST_HEAD(&fsp->list); in fc_fcp_pkt_alloc()
148 spin_lock_init(&fsp->scsi_pkt_lock); in fc_fcp_pkt_alloc()
153 return fsp; in fc_fcp_pkt_alloc()
163 static void fc_fcp_pkt_release(struct fc_fcp_pkt *fsp) in fc_fcp_pkt_release() argument
165 if (refcount_dec_and_test(&fsp->ref_cnt)) { in fc_fcp_pkt_release()
166 struct fc_fcp_internal *si = fc_get_scsi_internal(fsp->lp); in fc_fcp_pkt_release()
168 mempool_free(fsp, si->scsi_pkt_pool); in fc_fcp_pkt_release()
176 static void fc_fcp_pkt_hold(struct fc_fcp_pkt *fsp) in fc_fcp_pkt_hold() argument
178 refcount_inc(&fsp->ref_cnt); in fc_fcp_pkt_hold()
192 static void fc_fcp_pkt_destroy(struct fc_seq *seq, void *fsp) in fc_fcp_pkt_destroy() argument
194 fc_fcp_pkt_release(fsp); in fc_fcp_pkt_destroy()
214 static inline int fc_fcp_lock_pkt(struct fc_fcp_pkt *fsp) in fc_fcp_lock_pkt() argument
216 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_fcp_lock_pkt()
217 if (fsp->state & FC_SRB_COMPL) { in fc_fcp_lock_pkt()
218 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_lock_pkt()
222 fc_fcp_pkt_hold(fsp); in fc_fcp_lock_pkt()
231 static inline void fc_fcp_unlock_pkt(struct fc_fcp_pkt *fsp) in fc_fcp_unlock_pkt() argument
233 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_unlock_pkt()
234 fc_fcp_pkt_release(fsp); in fc_fcp_unlock_pkt()
242 static void fc_fcp_timer_set(struct fc_fcp_pkt *fsp, unsigned long delay) in fc_fcp_timer_set() argument
244 if (!(fsp->state & FC_SRB_COMPL)) { in fc_fcp_timer_set()
245 mod_timer(&fsp->timer, jiffies + delay); in fc_fcp_timer_set()
246 fsp->timer_delay = delay; in fc_fcp_timer_set()
250 static void fc_fcp_abort_done(struct fc_fcp_pkt *fsp) in fc_fcp_abort_done() argument
252 fsp->state |= FC_SRB_ABORTED; in fc_fcp_abort_done()
253 fsp->state &= ~FC_SRB_ABORT_PENDING; in fc_fcp_abort_done()
255 if (fsp->wait_for_comp) in fc_fcp_abort_done()
256 complete(&fsp->tm_done); in fc_fcp_abort_done()
258 fc_fcp_complete_locked(fsp); in fc_fcp_abort_done()
266 static int fc_fcp_send_abort(struct fc_fcp_pkt *fsp) in fc_fcp_send_abort() argument
270 if (!fsp->seq_ptr) in fc_fcp_send_abort()
273 per_cpu_ptr(fsp->lp->stats, get_cpu())->FcpPktAborts++; in fc_fcp_send_abort()
276 fsp->state |= FC_SRB_ABORT_PENDING; in fc_fcp_send_abort()
277 rc = fc_seq_exch_abort(fsp->seq_ptr, 0); in fc_fcp_send_abort()
283 fc_fcp_abort_done(fsp); in fc_fcp_send_abort()
299 static void fc_fcp_retry_cmd(struct fc_fcp_pkt *fsp, int status_code) in fc_fcp_retry_cmd() argument
301 if (fsp->seq_ptr) { in fc_fcp_retry_cmd()
302 fc_exch_done(fsp->seq_ptr); in fc_fcp_retry_cmd()
303 fsp->seq_ptr = NULL; in fc_fcp_retry_cmd()
306 fsp->state &= ~FC_SRB_ABORT_PENDING; in fc_fcp_retry_cmd()
307 fsp->io_status = 0; in fc_fcp_retry_cmd()
308 fsp->status_code = status_code; in fc_fcp_retry_cmd()
309 fc_fcp_complete_locked(fsp); in fc_fcp_retry_cmd()
317 void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid) in fc_fcp_ddp_setup() argument
321 lport = fsp->lp; in fc_fcp_ddp_setup()
322 if ((fsp->req_flags & FC_SRB_READ) && in fc_fcp_ddp_setup()
324 if (lport->tt.ddp_setup(lport, xid, scsi_sglist(fsp->cmd), in fc_fcp_ddp_setup()
325 scsi_sg_count(fsp->cmd))) in fc_fcp_ddp_setup()
326 fsp->xfer_ddp = xid; in fc_fcp_ddp_setup()
335 void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp) in fc_fcp_ddp_done() argument
339 if (!fsp) in fc_fcp_ddp_done()
342 if (fsp->xfer_ddp == FC_XID_UNKNOWN) in fc_fcp_ddp_done()
345 lport = fsp->lp; in fc_fcp_ddp_done()
347 fsp->xfer_len = lport->tt.ddp_done(lport, fsp->xfer_ddp); in fc_fcp_ddp_done()
348 fsp->xfer_ddp = FC_XID_UNKNOWN; in fc_fcp_ddp_done()
459 static inline unsigned int get_fsp_rec_tov(struct fc_fcp_pkt *fsp) in get_fsp_rec_tov() argument
461 struct fc_rport_libfc_priv *rpriv = fsp->rport->dd_data; in get_fsp_rec_tov()
474 static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_recv_data() argument
476 struct scsi_cmnd *sc = fsp->cmd; in fc_fcp_recv_data()
477 struct fc_lport *lport = fsp->lp; in fc_fcp_recv_data()
503 if (fsp->xfer_ddp != FC_XID_UNKNOWN) { in fc_fcp_recv_data()
504 fc_fcp_ddp_done(fsp); in fc_fcp_recv_data()
505 FC_FCP_DBG(fsp, "DDP I/O in fc_fcp_recv_data set ERROR\n"); in fc_fcp_recv_data()
509 if (offset + len > fsp->data_len) { in fc_fcp_recv_data()
514 FC_FCP_DBG(fsp, "data received past end. len %zx offset %zx " in fc_fcp_recv_data()
515 "data_len %x\n", len, offset, fsp->data_len); in fc_fcp_recv_data()
521 if (offset != fsp->xfer_len) in fc_fcp_recv_data()
522 fsp->state |= FC_SRB_DISCONTIG; in fc_fcp_recv_data()
555 if (fsp->state & FC_SRB_DISCONTIG) { in fc_fcp_recv_data()
563 if (fsp->xfer_contig_end == start_offset) in fc_fcp_recv_data()
564 fsp->xfer_contig_end += copy_len; in fc_fcp_recv_data()
565 fsp->xfer_len += copy_len; in fc_fcp_recv_data()
571 if (unlikely(fsp->state & FC_SRB_RCV_STATUS) && in fc_fcp_recv_data()
572 fsp->xfer_len == fsp->data_len - fsp->scsi_resid) { in fc_fcp_recv_data()
573 FC_FCP_DBG( fsp, "complete out-of-order sequence\n" ); in fc_fcp_recv_data()
574 fc_fcp_complete_locked(fsp); in fc_fcp_recv_data()
578 fc_fcp_recovery(fsp, host_bcode); in fc_fcp_recv_data()
594 static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq, in fc_fcp_send_data() argument
601 struct fc_lport *lport = fsp->lp; in fc_fcp_send_data()
616 if (unlikely(offset + seq_blen > fsp->data_len)) { in fc_fcp_send_data()
618 FC_FCP_DBG(fsp, "xfer-ready past end. seq_blen %zx " in fc_fcp_send_data()
620 fc_fcp_send_abort(fsp); in fc_fcp_send_data()
622 } else if (offset != fsp->xfer_len) { in fc_fcp_send_data()
624 FC_FCP_DBG(fsp, "xfer-ready non-contiguous. " in fc_fcp_send_data()
633 t_blen = fsp->max_payload; in fc_fcp_send_data()
636 FC_FCP_DBG(fsp, "fsp=%p:lso:blen=%zx lso_max=0x%x t_blen=%zx\n", in fc_fcp_send_data()
637 fsp, seq_blen, lport->lso_max, t_blen); in fc_fcp_send_data()
642 sc = fsp->cmd; in fc_fcp_send_data()
675 fr_max_payload(fp) = fsp->max_payload; in fc_fcp_send_data()
732 fsp->xfer_len += seq_blen; /* premature count? */ in fc_fcp_send_data()
741 static void fc_fcp_abts_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_abts_resp() argument
766 fc_fcp_abort_done(fsp); in fc_fcp_abts_resp()
780 struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)arg; in fc_fcp_recv() local
781 struct fc_lport *lport = fsp->lp; in fc_fcp_recv()
788 fc_fcp_error(fsp, fp); in fc_fcp_recv()
796 FC_FCP_DBG(fsp, "lport state %d, ignoring r_ctl %x\n", in fc_fcp_recv()
800 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_recv()
804 fc_fcp_abts_resp(fsp, fp); in fc_fcp_recv()
808 if (fsp->state & (FC_SRB_ABORTED | FC_SRB_ABORT_PENDING)) { in fc_fcp_recv()
809 FC_FCP_DBG(fsp, "command aborted, ignoring r_ctl %x\n", r_ctl); in fc_fcp_recv()
822 rc = fc_fcp_send_data(fsp, seq, in fc_fcp_recv()
826 seq->rec_data = fsp->xfer_len; in fc_fcp_recv()
833 fc_fcp_recv_data(fsp, fp); in fc_fcp_recv()
834 seq->rec_data = fsp->xfer_contig_end; in fc_fcp_recv()
838 fc_fcp_resp(fsp, fp); in fc_fcp_recv()
840 FC_FCP_DBG(fsp, "unexpected frame. r_ctl %x\n", r_ctl); in fc_fcp_recv()
843 fc_fcp_unlock_pkt(fsp); in fc_fcp_recv()
853 static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_resp() argument
871 fsp->cdb_status = fc_rp->fr_status; in fc_fcp_resp()
873 fsp->scsi_comp_flags = flags; in fc_fcp_resp()
874 expected_len = fsp->data_len; in fc_fcp_resp()
877 fc_fcp_ddp_done(fsp); in fc_fcp_resp()
890 if (fsp->wait_for_comp) { in fc_fcp_resp()
892 fsp->cdb_status = fc_rp_info->rsp_code; in fc_fcp_resp()
893 complete(&fsp->tm_done); in fc_fcp_resp()
905 memcpy(fsp->cmd->sense_buffer, in fc_fcp_resp()
913 fsp->scsi_resid = ntohl(rp_ex->fr_resid); in fc_fcp_resp()
924 (scsi_bufflen(fsp->cmd) - in fc_fcp_resp()
925 fsp->scsi_resid) < fsp->cmd->underflow) in fc_fcp_resp()
927 expected_len -= fsp->scsi_resid; in fc_fcp_resp()
929 fsp->status_code = FC_ERROR; in fc_fcp_resp()
933 fsp->state |= FC_SRB_RCV_STATUS; in fc_fcp_resp()
938 if (unlikely(fsp->cdb_status == SAM_STAT_GOOD && in fc_fcp_resp()
939 fsp->xfer_len != expected_len)) { in fc_fcp_resp()
940 if (fsp->xfer_len < expected_len) { in fc_fcp_resp()
946 if (fsp->lp->qfull) { in fc_fcp_resp()
947 FC_FCP_DBG(fsp, "tgt %6.6x queue busy retry\n", in fc_fcp_resp()
948 fsp->rport->port_id); in fc_fcp_resp()
951 FC_FCP_DBG(fsp, "tgt %6.6x xfer len %zx data underrun " in fc_fcp_resp()
953 fsp->rport->port_id, in fc_fcp_resp()
954 fsp->xfer_len, expected_len, fsp->data_len); in fc_fcp_resp()
955 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_resp()
958 fsp->status_code = FC_DATA_OVRRUN; in fc_fcp_resp()
959 FC_FCP_DBG(fsp, "tgt %6.6x xfer len %zx greater than expected, " in fc_fcp_resp()
961 fsp->rport->port_id, in fc_fcp_resp()
962 fsp->xfer_len, expected_len, fsp->data_len); in fc_fcp_resp()
964 fc_fcp_complete_locked(fsp); in fc_fcp_resp()
968 FC_FCP_DBG(fsp, "short FCP response. flags 0x%x len %u respl %u " in fc_fcp_resp()
971 fsp->status_code = FC_ERROR; in fc_fcp_resp()
972 fc_fcp_complete_locked(fsp); in fc_fcp_resp()
983 static void fc_fcp_complete_locked(struct fc_fcp_pkt *fsp) in fc_fcp_complete_locked() argument
985 struct fc_lport *lport = fsp->lp; in fc_fcp_complete_locked()
990 if (fsp->state & FC_SRB_ABORT_PENDING) in fc_fcp_complete_locked()
993 if (fsp->state & FC_SRB_ABORTED) { in fc_fcp_complete_locked()
994 if (!fsp->status_code) in fc_fcp_complete_locked()
995 fsp->status_code = FC_CMD_ABORTED; in fc_fcp_complete_locked()
1001 if (fsp->cdb_status == SAM_STAT_GOOD && in fc_fcp_complete_locked()
1002 fsp->xfer_len < fsp->data_len && !fsp->io_status && in fc_fcp_complete_locked()
1003 (!(fsp->scsi_comp_flags & FCP_RESID_UNDER) || in fc_fcp_complete_locked()
1004 fsp->xfer_len < fsp->data_len - fsp->scsi_resid)) { in fc_fcp_complete_locked()
1005 FC_FCP_DBG(fsp, "data underrun, xfer %zx data %x\n", in fc_fcp_complete_locked()
1006 fsp->xfer_len, fsp->data_len); in fc_fcp_complete_locked()
1007 fsp->status_code = FC_DATA_UNDRUN; in fc_fcp_complete_locked()
1011 seq = fsp->seq_ptr; in fc_fcp_complete_locked()
1013 fsp->seq_ptr = NULL; in fc_fcp_complete_locked()
1014 if (unlikely(fsp->scsi_comp_flags & FCP_CONF_REQ)) { in fc_fcp_complete_locked()
1019 conf_frame = fc_fcp_frame_alloc(fsp->lp, 0); in fc_fcp_complete_locked()
1037 if (fsp->cmd) in fc_fcp_complete_locked()
1038 fc_io_compl(fsp); in fc_fcp_complete_locked()
1046 static void fc_fcp_cleanup_cmd(struct fc_fcp_pkt *fsp, int error) in fc_fcp_cleanup_cmd() argument
1048 if (fsp->seq_ptr) { in fc_fcp_cleanup_cmd()
1049 fc_exch_done(fsp->seq_ptr); in fc_fcp_cleanup_cmd()
1050 fsp->seq_ptr = NULL; in fc_fcp_cleanup_cmd()
1052 fsp->status_code = error; in fc_fcp_cleanup_cmd()
1068 struct fc_fcp_pkt *fsp; in fc_fcp_cleanup_each_cmd() local
1074 list_for_each_entry(fsp, &si->scsi_pkt_queue, list) { in fc_fcp_cleanup_each_cmd()
1075 sc_cmd = fsp->cmd; in fc_fcp_cleanup_each_cmd()
1082 fc_fcp_pkt_hold(fsp); in fc_fcp_cleanup_each_cmd()
1085 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_fcp_cleanup_each_cmd()
1086 if (!(fsp->state & FC_SRB_COMPL)) { in fc_fcp_cleanup_each_cmd()
1087 fsp->state |= FC_SRB_COMPL; in fc_fcp_cleanup_each_cmd()
1097 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_cleanup_each_cmd()
1099 fc_fcp_cleanup_cmd(fsp, error); in fc_fcp_cleanup_each_cmd()
1101 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_fcp_cleanup_each_cmd()
1102 fc_io_compl(fsp); in fc_fcp_cleanup_each_cmd()
1104 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_cleanup_each_cmd()
1106 fc_fcp_pkt_release(fsp); in fc_fcp_cleanup_each_cmd()
1134 static int fc_fcp_pkt_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp) in fc_fcp_pkt_send() argument
1140 fsp->cmd->SCp.ptr = (char *)fsp; in fc_fcp_pkt_send()
1141 fsp->cdb_cmd.fc_dl = htonl(fsp->data_len); in fc_fcp_pkt_send()
1142 fsp->cdb_cmd.fc_flags = fsp->req_flags & ~FCP_CFL_LEN_MASK; in fc_fcp_pkt_send()
1144 int_to_scsilun(fsp->cmd->device->lun, &fsp->cdb_cmd.fc_lun); in fc_fcp_pkt_send()
1145 memcpy(fsp->cdb_cmd.fc_cdb, fsp->cmd->cmnd, fsp->cmd->cmd_len); in fc_fcp_pkt_send()
1148 list_add_tail(&fsp->list, &si->scsi_pkt_queue); in fc_fcp_pkt_send()
1150 rc = lport->tt.fcp_cmd_send(lport, fsp, fc_fcp_recv); in fc_fcp_pkt_send()
1153 fsp->cmd->SCp.ptr = NULL; in fc_fcp_pkt_send()
1154 list_del(&fsp->list); in fc_fcp_pkt_send()
1167 static int fc_fcp_cmd_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp, in fc_fcp_cmd_send() argument
1176 const size_t len = sizeof(fsp->cdb_cmd); in fc_fcp_cmd_send()
1179 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_cmd_send()
1182 fp = fc_fcp_frame_alloc(lport, sizeof(fsp->cdb_cmd)); in fc_fcp_cmd_send()
1188 memcpy(fc_frame_payload_get(fp, len), &fsp->cdb_cmd, len); in fc_fcp_cmd_send()
1189 fr_fsp(fp) = fsp; in fc_fcp_cmd_send()
1190 rport = fsp->rport; in fc_fcp_cmd_send()
1191 fsp->max_payload = rport->maxframe_size; in fc_fcp_cmd_send()
1198 seq = fc_exch_seq_send(lport, fp, resp, fc_fcp_pkt_destroy, fsp, 0); in fc_fcp_cmd_send()
1203 fsp->seq_ptr = seq; in fc_fcp_cmd_send()
1204 fc_fcp_pkt_hold(fsp); /* hold for fc_fcp_pkt_destroy */ in fc_fcp_cmd_send()
1206 fsp->timer.function = fc_fcp_timeout; in fc_fcp_cmd_send()
1208 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_cmd_send()
1211 fc_fcp_unlock_pkt(fsp); in fc_fcp_cmd_send()
1220 static void fc_fcp_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_error() argument
1224 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_error()
1228 fc_fcp_retry_cmd(fsp, FC_ERROR); in fc_fcp_error()
1236 fsp->state &= ~FC_SRB_ABORT_PENDING; in fc_fcp_error()
1237 fsp->status_code = FC_CMD_PLOGO; in fc_fcp_error()
1238 fc_fcp_complete_locked(fsp); in fc_fcp_error()
1240 fc_fcp_unlock_pkt(fsp); in fc_fcp_error()
1249 static int fc_fcp_pkt_abort(struct fc_fcp_pkt *fsp) in fc_fcp_pkt_abort() argument
1254 FC_FCP_DBG(fsp, "pkt abort state %x\n", fsp->state); in fc_fcp_pkt_abort()
1255 if (fc_fcp_send_abort(fsp)) { in fc_fcp_pkt_abort()
1256 FC_FCP_DBG(fsp, "failed to send abort\n"); in fc_fcp_pkt_abort()
1260 if (fsp->state & FC_SRB_ABORTED) { in fc_fcp_pkt_abort()
1261 FC_FCP_DBG(fsp, "target abort cmd completed\n"); in fc_fcp_pkt_abort()
1265 init_completion(&fsp->tm_done); in fc_fcp_pkt_abort()
1266 fsp->wait_for_comp = 1; in fc_fcp_pkt_abort()
1268 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_pkt_abort()
1269 ticks_left = wait_for_completion_timeout(&fsp->tm_done, in fc_fcp_pkt_abort()
1271 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_fcp_pkt_abort()
1272 fsp->wait_for_comp = 0; in fc_fcp_pkt_abort()
1275 FC_FCP_DBG(fsp, "target abort cmd failed\n"); in fc_fcp_pkt_abort()
1276 } else if (fsp->state & FC_SRB_ABORTED) { in fc_fcp_pkt_abort()
1277 FC_FCP_DBG(fsp, "target abort cmd passed\n"); in fc_fcp_pkt_abort()
1279 fc_fcp_complete_locked(fsp); in fc_fcp_pkt_abort()
1291 struct fc_fcp_pkt *fsp = from_timer(fsp, t, timer); in fc_lun_reset_send() local
1292 struct fc_lport *lport = fsp->lp; in fc_lun_reset_send()
1294 if (lport->tt.fcp_cmd_send(lport, fsp, fc_tm_done)) { in fc_lun_reset_send()
1295 if (fsp->recov_retry++ >= FC_MAX_RECOV_RETRY) in fc_lun_reset_send()
1297 if (fc_fcp_lock_pkt(fsp)) in fc_lun_reset_send()
1299 fsp->timer.function = fc_lun_reset_send; in fc_lun_reset_send()
1300 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_lun_reset_send()
1301 fc_fcp_unlock_pkt(fsp); in fc_lun_reset_send()
1313 static int fc_lun_reset(struct fc_lport *lport, struct fc_fcp_pkt *fsp, in fc_lun_reset() argument
1318 fsp->cdb_cmd.fc_dl = htonl(fsp->data_len); in fc_lun_reset()
1319 fsp->cdb_cmd.fc_tm_flags = FCP_TMF_LUN_RESET; in fc_lun_reset()
1320 int_to_scsilun(lun, &fsp->cdb_cmd.fc_lun); in fc_lun_reset()
1322 fsp->wait_for_comp = 1; in fc_lun_reset()
1323 init_completion(&fsp->tm_done); in fc_lun_reset()
1325 fc_lun_reset_send(&fsp->timer); in fc_lun_reset()
1331 rc = wait_for_completion_timeout(&fsp->tm_done, FC_SCSI_TM_TOV); in fc_lun_reset()
1333 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_lun_reset()
1334 fsp->state |= FC_SRB_COMPL; in fc_lun_reset()
1335 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_lun_reset()
1337 del_timer_sync(&fsp->timer); in fc_lun_reset()
1339 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_lun_reset()
1340 if (fsp->seq_ptr) { in fc_lun_reset()
1341 fc_exch_done(fsp->seq_ptr); in fc_lun_reset()
1342 fsp->seq_ptr = NULL; in fc_lun_reset()
1344 fsp->wait_for_comp = 0; in fc_lun_reset()
1345 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_lun_reset()
1353 if (fsp->cdb_status != FCP_TMF_CMPL) in fc_lun_reset()
1369 struct fc_fcp_pkt *fsp = arg; in fc_tm_done() local
1382 if (fc_fcp_lock_pkt(fsp)) in fc_tm_done()
1388 if (!fsp->seq_ptr || !fsp->wait_for_comp) in fc_tm_done()
1393 fc_fcp_resp(fsp, fp); in fc_tm_done()
1394 fsp->seq_ptr = NULL; in fc_tm_done()
1397 fc_fcp_unlock_pkt(fsp); in fc_tm_done()
1424 struct fc_fcp_pkt *fsp = from_timer(fsp, t, timer); in fc_fcp_timeout() local
1425 struct fc_rport *rport = fsp->rport; in fc_fcp_timeout()
1428 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_timeout()
1431 if (fsp->cdb_cmd.fc_tm_flags) in fc_fcp_timeout()
1434 if (fsp->lp->qfull) { in fc_fcp_timeout()
1435 FC_FCP_DBG(fsp, "fcp timeout, resetting timer delay %d\n", in fc_fcp_timeout()
1436 fsp->timer_delay); in fc_fcp_timeout()
1437 fsp->timer.function = fc_fcp_timeout; in fc_fcp_timeout()
1438 fc_fcp_timer_set(fsp, fsp->timer_delay); in fc_fcp_timeout()
1441 FC_FCP_DBG(fsp, "fcp timeout, delay %d flags %x state %x\n", in fc_fcp_timeout()
1442 fsp->timer_delay, rpriv->flags, fsp->state); in fc_fcp_timeout()
1443 fsp->state |= FC_SRB_FCP_PROCESSING_TMO; in fc_fcp_timeout()
1446 fc_fcp_rec(fsp); in fc_fcp_timeout()
1447 else if (fsp->state & FC_SRB_RCV_STATUS) in fc_fcp_timeout()
1448 fc_fcp_complete_locked(fsp); in fc_fcp_timeout()
1450 fc_fcp_recovery(fsp, FC_TIMED_OUT); in fc_fcp_timeout()
1451 fsp->state &= ~FC_SRB_FCP_PROCESSING_TMO; in fc_fcp_timeout()
1453 fc_fcp_unlock_pkt(fsp); in fc_fcp_timeout()
1460 static void fc_fcp_rec(struct fc_fcp_pkt *fsp) in fc_fcp_rec() argument
1467 lport = fsp->lp; in fc_fcp_rec()
1468 rport = fsp->rport; in fc_fcp_rec()
1470 if (!fsp->seq_ptr || rpriv->rp_state != RPORT_ST_READY) { in fc_fcp_rec()
1471 fsp->status_code = FC_HRD_ERROR; in fc_fcp_rec()
1472 fsp->io_status = 0; in fc_fcp_rec()
1473 fc_fcp_complete_locked(fsp); in fc_fcp_rec()
1481 fr_seq(fp) = fsp->seq_ptr; in fc_fcp_rec()
1486 fc_fcp_rec_resp, fsp, in fc_fcp_rec()
1488 fc_fcp_pkt_hold(fsp); /* hold while REC outstanding */ in fc_fcp_rec()
1492 if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY) in fc_fcp_rec()
1493 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_rec()
1495 fc_fcp_recovery(fsp, FC_TIMED_OUT); in fc_fcp_rec()
1511 struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)arg; in fc_fcp_rec_resp() local
1522 fc_fcp_rec_error(fsp, fp); in fc_fcp_rec_resp()
1526 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_rec_resp()
1529 fsp->recov_retry = 0; in fc_fcp_rec_resp()
1535 FC_FCP_DBG(fsp, in fc_fcp_rec_resp()
1537 fsp->rport->port_id, rjt->er_reason, in fc_fcp_rec_resp()
1541 FC_FCP_DBG(fsp, "device does not support REC\n"); in fc_fcp_rec_resp()
1542 rpriv = fsp->rport->dd_data; in fc_fcp_rec_resp()
1552 FC_FCP_DBG(fsp, "device %x REC reject %d/%d\n", in fc_fcp_rec_resp()
1553 fsp->rport->port_id, rjt->er_reason, in fc_fcp_rec_resp()
1562 struct fc_exch *ep = fc_seq_exch(fsp->seq_ptr); in fc_fcp_rec_resp()
1564 fsp->state |= FC_SRB_ABORTED; in fc_fcp_rec_resp()
1565 fc_fcp_retry_cmd(fsp, FC_TRANS_RESET); in fc_fcp_rec_resp()
1568 fc_fcp_recovery(fsp, FC_TRANS_RESET); in fc_fcp_rec_resp()
1572 if (fsp->state & FC_SRB_ABORTED) in fc_fcp_rec_resp()
1575 data_dir = fsp->cmd->sc_data_direction; in fc_fcp_rec_resp()
1598 } else if (fsp->xfer_contig_end == offset) { in fc_fcp_rec_resp()
1601 offset = fsp->xfer_contig_end; in fc_fcp_rec_resp()
1604 fc_fcp_srr(fsp, r_ctl, offset); in fc_fcp_rec_resp()
1610 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_rec_resp()
1631 if (offset < fsp->data_len) in fc_fcp_rec_resp()
1633 } else if (offset == fsp->xfer_contig_end) { in fc_fcp_rec_resp()
1635 } else if (fsp->xfer_contig_end < offset) { in fc_fcp_rec_resp()
1636 offset = fsp->xfer_contig_end; in fc_fcp_rec_resp()
1638 fc_fcp_srr(fsp, r_ctl, offset); in fc_fcp_rec_resp()
1642 fc_fcp_unlock_pkt(fsp); in fc_fcp_rec_resp()
1644 fc_fcp_pkt_release(fsp); /* drop hold for outstanding REC */ in fc_fcp_rec_resp()
1653 static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_rec_error() argument
1657 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_rec_error()
1662 FC_FCP_DBG(fsp, "REC %p fid %6.6x exchange closed\n", in fc_fcp_rec_error()
1663 fsp, fsp->rport->port_id); in fc_fcp_rec_error()
1664 fc_fcp_retry_cmd(fsp, FC_ERROR); in fc_fcp_rec_error()
1668 FC_FCP_DBG(fsp, "REC %p fid %6.6x error unexpected error %d\n", in fc_fcp_rec_error()
1669 fsp, fsp->rport->port_id, error); in fc_fcp_rec_error()
1670 fsp->status_code = FC_CMD_PLOGO; in fc_fcp_rec_error()
1678 FC_FCP_DBG(fsp, "REC %p fid %6.6x exchange timeout retry %d/%d\n", in fc_fcp_rec_error()
1679 fsp, fsp->rport->port_id, fsp->recov_retry, in fc_fcp_rec_error()
1681 if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY) in fc_fcp_rec_error()
1682 fc_fcp_rec(fsp); in fc_fcp_rec_error()
1684 fc_fcp_recovery(fsp, FC_ERROR); in fc_fcp_rec_error()
1687 fc_fcp_unlock_pkt(fsp); in fc_fcp_rec_error()
1689 fc_fcp_pkt_release(fsp); /* drop hold for outstanding REC */ in fc_fcp_rec_error()
1697 static void fc_fcp_recovery(struct fc_fcp_pkt *fsp, u8 code) in fc_fcp_recovery() argument
1699 FC_FCP_DBG(fsp, "start recovery code %x\n", code); in fc_fcp_recovery()
1700 fsp->status_code = code; in fc_fcp_recovery()
1701 fsp->cdb_status = 0; in fc_fcp_recovery()
1702 fsp->io_status = 0; in fc_fcp_recovery()
1707 fc_fcp_send_abort(fsp); in fc_fcp_recovery()
1718 static void fc_fcp_srr(struct fc_fcp_pkt *fsp, enum fc_rctl r_ctl, u32 offset) in fc_fcp_srr() argument
1720 struct fc_lport *lport = fsp->lp; in fc_fcp_srr()
1723 struct fc_exch *ep = fc_seq_exch(fsp->seq_ptr); in fc_fcp_srr()
1728 rport = fsp->rport; in fc_fcp_srr()
1752 fsp, get_fsp_rec_tov(fsp)); in fc_fcp_srr()
1756 fsp->recov_seq = seq; in fc_fcp_srr()
1757 fsp->xfer_len = offset; in fc_fcp_srr()
1758 fsp->xfer_contig_end = offset; in fc_fcp_srr()
1759 fsp->state &= ~FC_SRB_RCV_STATUS; in fc_fcp_srr()
1760 fc_fcp_pkt_hold(fsp); /* hold for outstanding SRR */ in fc_fcp_srr()
1763 fc_fcp_retry_cmd(fsp, FC_TRANS_RESET); in fc_fcp_srr()
1774 struct fc_fcp_pkt *fsp = arg; in fc_fcp_srr_resp() local
1778 fc_fcp_srr_error(fsp, fp); in fc_fcp_srr_resp()
1782 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_srr_resp()
1794 fc_fcp_unlock_pkt(fsp); in fc_fcp_srr_resp()
1800 fsp->recov_retry = 0; in fc_fcp_srr_resp()
1801 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_srr_resp()
1805 fc_fcp_recovery(fsp, FC_ERROR); in fc_fcp_srr_resp()
1808 fc_fcp_unlock_pkt(fsp); in fc_fcp_srr_resp()
1819 static void fc_fcp_srr_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_srr_error() argument
1821 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_srr_error()
1825 FC_FCP_DBG(fsp, "SRR timeout, retries %d\n", fsp->recov_retry); in fc_fcp_srr_error()
1826 if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY) in fc_fcp_srr_error()
1827 fc_fcp_rec(fsp); in fc_fcp_srr_error()
1829 fc_fcp_recovery(fsp, FC_TIMED_OUT); in fc_fcp_srr_error()
1832 FC_FCP_DBG(fsp, "SRR error, exchange closed\n"); in fc_fcp_srr_error()
1835 fc_fcp_retry_cmd(fsp, FC_ERROR); in fc_fcp_srr_error()
1838 fc_fcp_unlock_pkt(fsp); in fc_fcp_srr_error()
1840 fc_exch_done(fsp->recov_seq); in fc_fcp_srr_error()
1865 struct fc_fcp_pkt *fsp; in fc_queuecommand() local
1899 fsp = fc_fcp_pkt_alloc(lport, GFP_ATOMIC); in fc_queuecommand()
1900 if (fsp == NULL) { in fc_queuecommand()
1908 fsp->cmd = sc_cmd; /* save the cmd */ in fc_queuecommand()
1909 fsp->rport = rport; /* set the remote port ptr */ in fc_queuecommand()
1914 fsp->data_len = scsi_bufflen(sc_cmd); in fc_queuecommand()
1915 fsp->xfer_len = 0; in fc_queuecommand()
1922 fsp->req_flags = FC_SRB_READ; in fc_queuecommand()
1924 stats->InputBytes += fsp->data_len; in fc_queuecommand()
1926 fsp->req_flags = FC_SRB_WRITE; in fc_queuecommand()
1928 stats->OutputBytes += fsp->data_len; in fc_queuecommand()
1930 fsp->req_flags = 0; in fc_queuecommand()
1940 rval = fc_fcp_pkt_send(lport, fsp); in fc_queuecommand()
1942 fsp->state = FC_SRB_FREE; in fc_queuecommand()
1943 fc_fcp_pkt_release(fsp); in fc_queuecommand()
1958 static void fc_io_compl(struct fc_fcp_pkt *fsp) in fc_io_compl() argument
1966 fc_fcp_ddp_done(fsp); in fc_io_compl()
1968 fsp->state |= FC_SRB_COMPL; in fc_io_compl()
1969 if (!(fsp->state & FC_SRB_FCP_PROCESSING_TMO)) { in fc_io_compl()
1970 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_io_compl()
1971 del_timer_sync(&fsp->timer); in fc_io_compl()
1972 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_io_compl()
1975 lport = fsp->lp; in fc_io_compl()
1985 sc_cmd = fsp->cmd; in fc_io_compl()
1986 CMD_SCSI_STATUS(sc_cmd) = fsp->cdb_status; in fc_io_compl()
1987 switch (fsp->status_code) { in fc_io_compl()
1989 if (fsp->cdb_status == 0) { in fc_io_compl()
1994 if (fsp->scsi_resid) in fc_io_compl()
1995 CMD_RESID_LEN(sc_cmd) = fsp->scsi_resid; in fc_io_compl()
2001 sc_cmd->result = (DID_OK << 16) | fsp->cdb_status; in fc_io_compl()
2005 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2010 if ((fsp->cdb_status == 0) && !(fsp->req_flags & FC_SRB_READ)) { in fc_io_compl()
2015 if (fsp->state & FC_SRB_RCV_STATUS) { in fc_io_compl()
2018 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml" in fc_io_compl()
2026 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2028 CMD_RESID_LEN(sc_cmd) = fsp->scsi_resid; in fc_io_compl()
2029 sc_cmd->result = (DID_ERROR << 16) | fsp->cdb_status; in fc_io_compl()
2036 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2038 sc_cmd->result = (DID_ERROR << 16) | fsp->cdb_status; in fc_io_compl()
2042 FC_FCP_DBG(fsp, "Returning DID_TIME_OUT to scsi-ml " in fc_io_compl()
2045 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2049 sc_cmd->result |= fsp->io_status; in fc_io_compl()
2052 FC_FCP_DBG(fsp, "Returning DID_RESET to scsi-ml " in fc_io_compl()
2057 FC_FCP_DBG(fsp, "Returning DID_SOFT_ERROR to scsi-ml " in fc_io_compl()
2062 FC_FCP_DBG(fsp, "Returning DID_NO_CONNECT to scsi-ml " in fc_io_compl()
2067 FC_FCP_DBG(fsp, "Returning DID_PARITY to scsi-ml " in fc_io_compl()
2072 FC_FCP_DBG(fsp, "Returning DID_BUS_BUSY to scsi-ml " in fc_io_compl()
2074 sc_cmd->result = (DID_BUS_BUSY << 16) | fsp->io_status; in fc_io_compl()
2077 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2083 if (lport->state != LPORT_ST_READY && fsp->status_code != FC_COMPLETE) in fc_io_compl()
2087 list_del(&fsp->list); in fc_io_compl()
2093 fc_fcp_pkt_release(fsp); in fc_io_compl()
2105 struct fc_fcp_pkt *fsp; in fc_eh_abort() local
2124 fsp = CMD_SP(sc_cmd); in fc_eh_abort()
2125 if (!fsp) { in fc_eh_abort()
2131 fc_fcp_pkt_hold(fsp); in fc_eh_abort()
2134 if (fc_fcp_lock_pkt(fsp)) { in fc_eh_abort()
2140 rc = fc_fcp_pkt_abort(fsp); in fc_eh_abort()
2141 fc_fcp_unlock_pkt(fsp); in fc_eh_abort()
2144 fc_fcp_pkt_release(fsp); in fc_eh_abort()
2159 struct fc_fcp_pkt *fsp; in fc_eh_device_reset() local
2175 fsp = fc_fcp_pkt_alloc(lport, GFP_NOIO); in fc_eh_device_reset()
2176 if (fsp == NULL) { in fc_eh_device_reset()
2186 fsp->rport = rport; /* set the remote port ptr */ in fc_eh_device_reset()
2191 rc = fc_lun_reset(lport, fsp, scmd_id(sc_cmd), sc_cmd->device->lun); in fc_eh_device_reset()
2192 fsp->state = FC_SRB_FREE; in fc_eh_device_reset()
2193 fc_fcp_pkt_release(fsp); in fc_eh_device_reset()