Lines Matching refs:fsp
150 struct fc_fcp_pkt *fsp; in fc_fcp_pkt_alloc() local
152 fsp = mempool_alloc(si->scsi_pkt_pool, gfp); in fc_fcp_pkt_alloc()
153 if (fsp) { in fc_fcp_pkt_alloc()
154 memset(fsp, 0, sizeof(*fsp)); in fc_fcp_pkt_alloc()
155 fsp->lp = lport; in fc_fcp_pkt_alloc()
156 fsp->xfer_ddp = FC_XID_UNKNOWN; in fc_fcp_pkt_alloc()
157 refcount_set(&fsp->ref_cnt, 1); in fc_fcp_pkt_alloc()
158 timer_setup(&fsp->timer, NULL, 0); in fc_fcp_pkt_alloc()
159 INIT_LIST_HEAD(&fsp->list); in fc_fcp_pkt_alloc()
160 spin_lock_init(&fsp->scsi_pkt_lock); in fc_fcp_pkt_alloc()
165 return fsp; in fc_fcp_pkt_alloc()
175 static void fc_fcp_pkt_release(struct fc_fcp_pkt *fsp) in fc_fcp_pkt_release() argument
177 if (refcount_dec_and_test(&fsp->ref_cnt)) { in fc_fcp_pkt_release()
178 struct fc_fcp_internal *si = fc_get_scsi_internal(fsp->lp); in fc_fcp_pkt_release()
180 mempool_free(fsp, si->scsi_pkt_pool); in fc_fcp_pkt_release()
188 static void fc_fcp_pkt_hold(struct fc_fcp_pkt *fsp) in fc_fcp_pkt_hold() argument
190 refcount_inc(&fsp->ref_cnt); in fc_fcp_pkt_hold()
204 static void fc_fcp_pkt_destroy(struct fc_seq *seq, void *fsp) in fc_fcp_pkt_destroy() argument
206 fc_fcp_pkt_release(fsp); in fc_fcp_pkt_destroy()
226 static inline int fc_fcp_lock_pkt(struct fc_fcp_pkt *fsp) in fc_fcp_lock_pkt() argument
228 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_fcp_lock_pkt()
229 if (fsp->state & FC_SRB_COMPL) { in fc_fcp_lock_pkt()
230 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_lock_pkt()
234 fc_fcp_pkt_hold(fsp); in fc_fcp_lock_pkt()
243 static inline void fc_fcp_unlock_pkt(struct fc_fcp_pkt *fsp) in fc_fcp_unlock_pkt() argument
245 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_unlock_pkt()
246 fc_fcp_pkt_release(fsp); in fc_fcp_unlock_pkt()
254 static void fc_fcp_timer_set(struct fc_fcp_pkt *fsp, unsigned long delay) in fc_fcp_timer_set() argument
256 if (!(fsp->state & FC_SRB_COMPL)) { in fc_fcp_timer_set()
257 mod_timer(&fsp->timer, jiffies + delay); in fc_fcp_timer_set()
258 fsp->timer_delay = delay; in fc_fcp_timer_set()
262 static void fc_fcp_abort_done(struct fc_fcp_pkt *fsp) in fc_fcp_abort_done() argument
264 fsp->state |= FC_SRB_ABORTED; in fc_fcp_abort_done()
265 fsp->state &= ~FC_SRB_ABORT_PENDING; in fc_fcp_abort_done()
267 if (fsp->wait_for_comp) in fc_fcp_abort_done()
268 complete(&fsp->tm_done); in fc_fcp_abort_done()
270 fc_fcp_complete_locked(fsp); in fc_fcp_abort_done()
278 static int fc_fcp_send_abort(struct fc_fcp_pkt *fsp) in fc_fcp_send_abort() argument
282 if (!fsp->seq_ptr) in fc_fcp_send_abort()
285 per_cpu_ptr(fsp->lp->stats, get_cpu())->FcpPktAborts++; in fc_fcp_send_abort()
288 fsp->state |= FC_SRB_ABORT_PENDING; in fc_fcp_send_abort()
289 rc = fc_seq_exch_abort(fsp->seq_ptr, 0); in fc_fcp_send_abort()
295 fc_fcp_abort_done(fsp); in fc_fcp_send_abort()
310 static void fc_fcp_retry_cmd(struct fc_fcp_pkt *fsp, int status_code) in fc_fcp_retry_cmd() argument
312 if (fsp->seq_ptr) { in fc_fcp_retry_cmd()
313 fc_exch_done(fsp->seq_ptr); in fc_fcp_retry_cmd()
314 fsp->seq_ptr = NULL; in fc_fcp_retry_cmd()
317 fsp->state &= ~FC_SRB_ABORT_PENDING; in fc_fcp_retry_cmd()
318 fsp->io_status = 0; in fc_fcp_retry_cmd()
319 fsp->status_code = status_code; in fc_fcp_retry_cmd()
320 fc_fcp_complete_locked(fsp); in fc_fcp_retry_cmd()
328 void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid) in fc_fcp_ddp_setup() argument
332 lport = fsp->lp; in fc_fcp_ddp_setup()
333 if ((fsp->req_flags & FC_SRB_READ) && in fc_fcp_ddp_setup()
335 if (lport->tt.ddp_setup(lport, xid, scsi_sglist(fsp->cmd), in fc_fcp_ddp_setup()
336 scsi_sg_count(fsp->cmd))) in fc_fcp_ddp_setup()
337 fsp->xfer_ddp = xid; in fc_fcp_ddp_setup()
346 void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp) in fc_fcp_ddp_done() argument
350 if (!fsp) in fc_fcp_ddp_done()
353 if (fsp->xfer_ddp == FC_XID_UNKNOWN) in fc_fcp_ddp_done()
356 lport = fsp->lp; in fc_fcp_ddp_done()
358 fsp->xfer_len = lport->tt.ddp_done(lport, fsp->xfer_ddp); in fc_fcp_ddp_done()
359 fsp->xfer_ddp = FC_XID_UNKNOWN; in fc_fcp_ddp_done()
470 static inline unsigned int get_fsp_rec_tov(struct fc_fcp_pkt *fsp) in get_fsp_rec_tov() argument
472 struct fc_rport_libfc_priv *rpriv = fsp->rport->dd_data; in get_fsp_rec_tov()
485 static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_recv_data() argument
487 struct scsi_cmnd *sc = fsp->cmd; in fc_fcp_recv_data()
488 struct fc_lport *lport = fsp->lp; in fc_fcp_recv_data()
514 if (fsp->xfer_ddp != FC_XID_UNKNOWN) { in fc_fcp_recv_data()
515 fc_fcp_ddp_done(fsp); in fc_fcp_recv_data()
516 FC_FCP_DBG(fsp, "DDP I/O in fc_fcp_recv_data set ERROR\n"); in fc_fcp_recv_data()
520 if (offset + len > fsp->data_len) { in fc_fcp_recv_data()
525 FC_FCP_DBG(fsp, "data received past end. len %zx offset %zx " in fc_fcp_recv_data()
526 "data_len %x\n", len, offset, fsp->data_len); in fc_fcp_recv_data()
532 if (offset != fsp->xfer_len) in fc_fcp_recv_data()
533 fsp->state |= FC_SRB_DISCONTIG; in fc_fcp_recv_data()
566 if (fsp->state & FC_SRB_DISCONTIG) { in fc_fcp_recv_data()
574 if (fsp->xfer_contig_end == start_offset) in fc_fcp_recv_data()
575 fsp->xfer_contig_end += copy_len; in fc_fcp_recv_data()
576 fsp->xfer_len += copy_len; in fc_fcp_recv_data()
582 if (unlikely(fsp->state & FC_SRB_RCV_STATUS) && in fc_fcp_recv_data()
583 fsp->xfer_len == fsp->data_len - fsp->scsi_resid) { in fc_fcp_recv_data()
584 FC_FCP_DBG( fsp, "complete out-of-order sequence\n" ); in fc_fcp_recv_data()
585 fc_fcp_complete_locked(fsp); in fc_fcp_recv_data()
589 fc_fcp_recovery(fsp, host_bcode); in fc_fcp_recv_data()
605 static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq, in fc_fcp_send_data() argument
612 struct fc_lport *lport = fsp->lp; in fc_fcp_send_data()
627 if (unlikely(offset + seq_blen > fsp->data_len)) { in fc_fcp_send_data()
629 FC_FCP_DBG(fsp, "xfer-ready past end. seq_blen %zx " in fc_fcp_send_data()
631 fc_fcp_send_abort(fsp); in fc_fcp_send_data()
633 } else if (offset != fsp->xfer_len) { in fc_fcp_send_data()
635 FC_FCP_DBG(fsp, "xfer-ready non-contiguous. " in fc_fcp_send_data()
644 t_blen = fsp->max_payload; in fc_fcp_send_data()
647 FC_FCP_DBG(fsp, "fsp=%p:lso:blen=%zx lso_max=0x%x t_blen=%zx\n", in fc_fcp_send_data()
648 fsp, seq_blen, lport->lso_max, t_blen); in fc_fcp_send_data()
653 sc = fsp->cmd; in fc_fcp_send_data()
686 fr_max_payload(fp) = fsp->max_payload; in fc_fcp_send_data()
743 fsp->xfer_len += seq_blen; /* premature count? */ in fc_fcp_send_data()
752 static void fc_fcp_abts_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_abts_resp() argument
777 fc_fcp_abort_done(fsp); in fc_fcp_abts_resp()
791 struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)arg; in fc_fcp_recv() local
792 struct fc_lport *lport = fsp->lp; in fc_fcp_recv()
799 fc_fcp_error(fsp, fp); in fc_fcp_recv()
807 FC_FCP_DBG(fsp, "lport state %d, ignoring r_ctl %x\n", in fc_fcp_recv()
811 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_recv()
815 fc_fcp_abts_resp(fsp, fp); in fc_fcp_recv()
819 if (fsp->state & (FC_SRB_ABORTED | FC_SRB_ABORT_PENDING)) { in fc_fcp_recv()
820 FC_FCP_DBG(fsp, "command aborted, ignoring r_ctl %x\n", r_ctl); in fc_fcp_recv()
833 rc = fc_fcp_send_data(fsp, seq, in fc_fcp_recv()
837 seq->rec_data = fsp->xfer_len; in fc_fcp_recv()
844 fc_fcp_recv_data(fsp, fp); in fc_fcp_recv()
845 seq->rec_data = fsp->xfer_contig_end; in fc_fcp_recv()
849 fc_fcp_resp(fsp, fp); in fc_fcp_recv()
851 FC_FCP_DBG(fsp, "unexpected frame. r_ctl %x\n", r_ctl); in fc_fcp_recv()
854 fc_fcp_unlock_pkt(fsp); in fc_fcp_recv()
864 static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_resp() argument
882 fsp->cdb_status = fc_rp->fr_status; in fc_fcp_resp()
884 fsp->scsi_comp_flags = flags; in fc_fcp_resp()
885 expected_len = fsp->data_len; in fc_fcp_resp()
888 fc_fcp_ddp_done(fsp); in fc_fcp_resp()
901 if (fsp->wait_for_comp) { in fc_fcp_resp()
903 fsp->cdb_status = fc_rp_info->rsp_code; in fc_fcp_resp()
904 complete(&fsp->tm_done); in fc_fcp_resp()
916 memcpy(fsp->cmd->sense_buffer, in fc_fcp_resp()
924 fsp->scsi_resid = ntohl(rp_ex->fr_resid); in fc_fcp_resp()
935 (scsi_bufflen(fsp->cmd) - in fc_fcp_resp()
936 fsp->scsi_resid) < fsp->cmd->underflow) in fc_fcp_resp()
938 expected_len -= fsp->scsi_resid; in fc_fcp_resp()
940 fsp->status_code = FC_ERROR; in fc_fcp_resp()
944 fsp->state |= FC_SRB_RCV_STATUS; in fc_fcp_resp()
949 if (unlikely(fsp->cdb_status == SAM_STAT_GOOD && in fc_fcp_resp()
950 fsp->xfer_len != expected_len)) { in fc_fcp_resp()
951 if (fsp->xfer_len < expected_len) { in fc_fcp_resp()
957 if (fsp->lp->qfull) { in fc_fcp_resp()
958 FC_FCP_DBG(fsp, "tgt %6.6x queue busy retry\n", in fc_fcp_resp()
959 fsp->rport->port_id); in fc_fcp_resp()
962 FC_FCP_DBG(fsp, "tgt %6.6x xfer len %zx data underrun " in fc_fcp_resp()
964 fsp->rport->port_id, in fc_fcp_resp()
965 fsp->xfer_len, expected_len, fsp->data_len); in fc_fcp_resp()
966 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_resp()
969 fsp->status_code = FC_DATA_OVRRUN; in fc_fcp_resp()
970 FC_FCP_DBG(fsp, "tgt %6.6x xfer len %zx greater than expected, " in fc_fcp_resp()
972 fsp->rport->port_id, in fc_fcp_resp()
973 fsp->xfer_len, expected_len, fsp->data_len); in fc_fcp_resp()
975 fc_fcp_complete_locked(fsp); in fc_fcp_resp()
979 FC_FCP_DBG(fsp, "short FCP response. flags 0x%x len %u respl %u " in fc_fcp_resp()
982 fsp->status_code = FC_ERROR; in fc_fcp_resp()
983 fc_fcp_complete_locked(fsp); in fc_fcp_resp()
994 static void fc_fcp_complete_locked(struct fc_fcp_pkt *fsp) in fc_fcp_complete_locked() argument
996 struct fc_lport *lport = fsp->lp; in fc_fcp_complete_locked()
1001 if (fsp->state & FC_SRB_ABORT_PENDING) in fc_fcp_complete_locked()
1004 if (fsp->state & FC_SRB_ABORTED) { in fc_fcp_complete_locked()
1005 if (!fsp->status_code) in fc_fcp_complete_locked()
1006 fsp->status_code = FC_CMD_ABORTED; in fc_fcp_complete_locked()
1012 if (fsp->cdb_status == SAM_STAT_GOOD && in fc_fcp_complete_locked()
1013 fsp->xfer_len < fsp->data_len && !fsp->io_status && in fc_fcp_complete_locked()
1014 (!(fsp->scsi_comp_flags & FCP_RESID_UNDER) || in fc_fcp_complete_locked()
1015 fsp->xfer_len < fsp->data_len - fsp->scsi_resid)) { in fc_fcp_complete_locked()
1016 FC_FCP_DBG(fsp, "data underrun, xfer %zx data %x\n", in fc_fcp_complete_locked()
1017 fsp->xfer_len, fsp->data_len); in fc_fcp_complete_locked()
1018 fsp->status_code = FC_DATA_UNDRUN; in fc_fcp_complete_locked()
1022 seq = fsp->seq_ptr; in fc_fcp_complete_locked()
1024 fsp->seq_ptr = NULL; in fc_fcp_complete_locked()
1025 if (unlikely(fsp->scsi_comp_flags & FCP_CONF_REQ)) { in fc_fcp_complete_locked()
1030 conf_frame = fc_fcp_frame_alloc(fsp->lp, 0); in fc_fcp_complete_locked()
1048 if (fsp->cmd) in fc_fcp_complete_locked()
1049 fc_io_compl(fsp); in fc_fcp_complete_locked()
1057 static void fc_fcp_cleanup_cmd(struct fc_fcp_pkt *fsp, int error) in fc_fcp_cleanup_cmd() argument
1059 if (fsp->seq_ptr) { in fc_fcp_cleanup_cmd()
1060 fc_exch_done(fsp->seq_ptr); in fc_fcp_cleanup_cmd()
1061 fsp->seq_ptr = NULL; in fc_fcp_cleanup_cmd()
1063 fsp->status_code = error; in fc_fcp_cleanup_cmd()
1079 struct fc_fcp_pkt *fsp; in fc_fcp_cleanup_each_cmd() local
1085 list_for_each_entry(fsp, &si->scsi_pkt_queue, list) { in fc_fcp_cleanup_each_cmd()
1086 sc_cmd = fsp->cmd; in fc_fcp_cleanup_each_cmd()
1093 fc_fcp_pkt_hold(fsp); in fc_fcp_cleanup_each_cmd()
1096 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_fcp_cleanup_each_cmd()
1097 if (!(fsp->state & FC_SRB_COMPL)) { in fc_fcp_cleanup_each_cmd()
1098 fsp->state |= FC_SRB_COMPL; in fc_fcp_cleanup_each_cmd()
1108 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_cleanup_each_cmd()
1110 fc_fcp_cleanup_cmd(fsp, error); in fc_fcp_cleanup_each_cmd()
1112 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_fcp_cleanup_each_cmd()
1113 fc_io_compl(fsp); in fc_fcp_cleanup_each_cmd()
1115 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_cleanup_each_cmd()
1117 fc_fcp_pkt_release(fsp); in fc_fcp_cleanup_each_cmd()
1145 static int fc_fcp_pkt_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp) in fc_fcp_pkt_send() argument
1151 fsp->cmd->SCp.ptr = (char *)fsp; in fc_fcp_pkt_send()
1152 fsp->cdb_cmd.fc_dl = htonl(fsp->data_len); in fc_fcp_pkt_send()
1153 fsp->cdb_cmd.fc_flags = fsp->req_flags & ~FCP_CFL_LEN_MASK; in fc_fcp_pkt_send()
1155 int_to_scsilun(fsp->cmd->device->lun, &fsp->cdb_cmd.fc_lun); in fc_fcp_pkt_send()
1156 memcpy(fsp->cdb_cmd.fc_cdb, fsp->cmd->cmnd, fsp->cmd->cmd_len); in fc_fcp_pkt_send()
1159 list_add_tail(&fsp->list, &si->scsi_pkt_queue); in fc_fcp_pkt_send()
1161 rc = lport->tt.fcp_cmd_send(lport, fsp, fc_fcp_recv); in fc_fcp_pkt_send()
1164 fsp->cmd->SCp.ptr = NULL; in fc_fcp_pkt_send()
1165 list_del(&fsp->list); in fc_fcp_pkt_send()
1178 static int fc_fcp_cmd_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp, in fc_fcp_cmd_send() argument
1187 const size_t len = sizeof(fsp->cdb_cmd); in fc_fcp_cmd_send()
1190 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_cmd_send()
1193 fp = fc_fcp_frame_alloc(lport, sizeof(fsp->cdb_cmd)); in fc_fcp_cmd_send()
1199 memcpy(fc_frame_payload_get(fp, len), &fsp->cdb_cmd, len); in fc_fcp_cmd_send()
1200 fr_fsp(fp) = fsp; in fc_fcp_cmd_send()
1201 rport = fsp->rport; in fc_fcp_cmd_send()
1202 fsp->max_payload = rport->maxframe_size; in fc_fcp_cmd_send()
1209 seq = fc_exch_seq_send(lport, fp, resp, fc_fcp_pkt_destroy, fsp, 0); in fc_fcp_cmd_send()
1214 fsp->seq_ptr = seq; in fc_fcp_cmd_send()
1215 fc_fcp_pkt_hold(fsp); /* hold for fc_fcp_pkt_destroy */ in fc_fcp_cmd_send()
1217 fsp->timer.function = fc_fcp_timeout; in fc_fcp_cmd_send()
1219 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_cmd_send()
1222 fc_fcp_unlock_pkt(fsp); in fc_fcp_cmd_send()
1231 static void fc_fcp_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_error() argument
1235 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_error()
1239 fc_fcp_retry_cmd(fsp, FC_ERROR); in fc_fcp_error()
1247 fsp->state &= ~FC_SRB_ABORT_PENDING; in fc_fcp_error()
1248 fsp->status_code = FC_CMD_PLOGO; in fc_fcp_error()
1249 fc_fcp_complete_locked(fsp); in fc_fcp_error()
1251 fc_fcp_unlock_pkt(fsp); in fc_fcp_error()
1260 static int fc_fcp_pkt_abort(struct fc_fcp_pkt *fsp) in fc_fcp_pkt_abort() argument
1265 FC_FCP_DBG(fsp, "pkt abort state %x\n", fsp->state); in fc_fcp_pkt_abort()
1266 if (fc_fcp_send_abort(fsp)) { in fc_fcp_pkt_abort()
1267 FC_FCP_DBG(fsp, "failed to send abort\n"); in fc_fcp_pkt_abort()
1271 if (fsp->state & FC_SRB_ABORTED) { in fc_fcp_pkt_abort()
1272 FC_FCP_DBG(fsp, "target abort cmd completed\n"); in fc_fcp_pkt_abort()
1276 init_completion(&fsp->tm_done); in fc_fcp_pkt_abort()
1277 fsp->wait_for_comp = 1; in fc_fcp_pkt_abort()
1279 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_fcp_pkt_abort()
1280 ticks_left = wait_for_completion_timeout(&fsp->tm_done, in fc_fcp_pkt_abort()
1282 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_fcp_pkt_abort()
1283 fsp->wait_for_comp = 0; in fc_fcp_pkt_abort()
1286 FC_FCP_DBG(fsp, "target abort cmd failed\n"); in fc_fcp_pkt_abort()
1287 } else if (fsp->state & FC_SRB_ABORTED) { in fc_fcp_pkt_abort()
1288 FC_FCP_DBG(fsp, "target abort cmd passed\n"); in fc_fcp_pkt_abort()
1290 fc_fcp_complete_locked(fsp); in fc_fcp_pkt_abort()
1302 struct fc_fcp_pkt *fsp = from_timer(fsp, t, timer); in fc_lun_reset_send() local
1303 struct fc_lport *lport = fsp->lp; in fc_lun_reset_send()
1305 if (lport->tt.fcp_cmd_send(lport, fsp, fc_tm_done)) { in fc_lun_reset_send()
1306 if (fsp->recov_retry++ >= FC_MAX_RECOV_RETRY) in fc_lun_reset_send()
1308 if (fc_fcp_lock_pkt(fsp)) in fc_lun_reset_send()
1310 fsp->timer.function = fc_lun_reset_send; in fc_lun_reset_send()
1311 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_lun_reset_send()
1312 fc_fcp_unlock_pkt(fsp); in fc_lun_reset_send()
1324 static int fc_lun_reset(struct fc_lport *lport, struct fc_fcp_pkt *fsp, in fc_lun_reset() argument
1329 fsp->cdb_cmd.fc_dl = htonl(fsp->data_len); in fc_lun_reset()
1330 fsp->cdb_cmd.fc_tm_flags = FCP_TMF_LUN_RESET; in fc_lun_reset()
1331 int_to_scsilun(lun, &fsp->cdb_cmd.fc_lun); in fc_lun_reset()
1333 fsp->wait_for_comp = 1; in fc_lun_reset()
1334 init_completion(&fsp->tm_done); in fc_lun_reset()
1336 fc_lun_reset_send(&fsp->timer); in fc_lun_reset()
1342 rc = wait_for_completion_timeout(&fsp->tm_done, FC_SCSI_TM_TOV); in fc_lun_reset()
1344 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_lun_reset()
1345 fsp->state |= FC_SRB_COMPL; in fc_lun_reset()
1346 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_lun_reset()
1348 del_timer_sync(&fsp->timer); in fc_lun_reset()
1350 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_lun_reset()
1351 if (fsp->seq_ptr) { in fc_lun_reset()
1352 fc_exch_done(fsp->seq_ptr); in fc_lun_reset()
1353 fsp->seq_ptr = NULL; in fc_lun_reset()
1355 fsp->wait_for_comp = 0; in fc_lun_reset()
1356 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_lun_reset()
1364 if (fsp->cdb_status != FCP_TMF_CMPL) in fc_lun_reset()
1380 struct fc_fcp_pkt *fsp = arg; in fc_tm_done() local
1393 if (fc_fcp_lock_pkt(fsp)) in fc_tm_done()
1399 if (!fsp->seq_ptr || !fsp->wait_for_comp) in fc_tm_done()
1404 fc_fcp_resp(fsp, fp); in fc_tm_done()
1405 fsp->seq_ptr = NULL; in fc_tm_done()
1408 fc_fcp_unlock_pkt(fsp); in fc_tm_done()
1435 struct fc_fcp_pkt *fsp = from_timer(fsp, t, timer); in fc_fcp_timeout() local
1436 struct fc_rport *rport = fsp->rport; in fc_fcp_timeout()
1439 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_timeout()
1442 if (fsp->cdb_cmd.fc_tm_flags) in fc_fcp_timeout()
1445 if (fsp->lp->qfull) { in fc_fcp_timeout()
1446 FC_FCP_DBG(fsp, "fcp timeout, resetting timer delay %d\n", in fc_fcp_timeout()
1447 fsp->timer_delay); in fc_fcp_timeout()
1448 fsp->timer.function = fc_fcp_timeout; in fc_fcp_timeout()
1449 fc_fcp_timer_set(fsp, fsp->timer_delay); in fc_fcp_timeout()
1452 FC_FCP_DBG(fsp, "fcp timeout, delay %d flags %x state %x\n", in fc_fcp_timeout()
1453 fsp->timer_delay, rpriv->flags, fsp->state); in fc_fcp_timeout()
1454 fsp->state |= FC_SRB_FCP_PROCESSING_TMO; in fc_fcp_timeout()
1457 fc_fcp_rec(fsp); in fc_fcp_timeout()
1458 else if (fsp->state & FC_SRB_RCV_STATUS) in fc_fcp_timeout()
1459 fc_fcp_complete_locked(fsp); in fc_fcp_timeout()
1461 fc_fcp_recovery(fsp, FC_TIMED_OUT); in fc_fcp_timeout()
1462 fsp->state &= ~FC_SRB_FCP_PROCESSING_TMO; in fc_fcp_timeout()
1464 fc_fcp_unlock_pkt(fsp); in fc_fcp_timeout()
1471 static void fc_fcp_rec(struct fc_fcp_pkt *fsp) in fc_fcp_rec() argument
1478 lport = fsp->lp; in fc_fcp_rec()
1479 rport = fsp->rport; in fc_fcp_rec()
1481 if (!fsp->seq_ptr || rpriv->rp_state != RPORT_ST_READY) { in fc_fcp_rec()
1482 fsp->status_code = FC_HRD_ERROR; in fc_fcp_rec()
1483 fsp->io_status = 0; in fc_fcp_rec()
1484 fc_fcp_complete_locked(fsp); in fc_fcp_rec()
1492 fr_seq(fp) = fsp->seq_ptr; in fc_fcp_rec()
1497 fc_fcp_rec_resp, fsp, in fc_fcp_rec()
1499 fc_fcp_pkt_hold(fsp); /* hold while REC outstanding */ in fc_fcp_rec()
1503 if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY) in fc_fcp_rec()
1504 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_rec()
1506 fc_fcp_recovery(fsp, FC_TIMED_OUT); in fc_fcp_rec()
1522 struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)arg; in fc_fcp_rec_resp() local
1533 fc_fcp_rec_error(fsp, fp); in fc_fcp_rec_resp()
1537 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_rec_resp()
1540 fsp->recov_retry = 0; in fc_fcp_rec_resp()
1546 FC_FCP_DBG(fsp, in fc_fcp_rec_resp()
1548 fsp->rport->port_id, rjt->er_reason, in fc_fcp_rec_resp()
1552 FC_FCP_DBG(fsp, "device does not support REC\n"); in fc_fcp_rec_resp()
1553 rpriv = fsp->rport->dd_data; in fc_fcp_rec_resp()
1563 FC_FCP_DBG(fsp, "device %x REC reject %d/%d\n", in fc_fcp_rec_resp()
1564 fsp->rport->port_id, rjt->er_reason, in fc_fcp_rec_resp()
1573 struct fc_exch *ep = fc_seq_exch(fsp->seq_ptr); in fc_fcp_rec_resp()
1575 fsp->state |= FC_SRB_ABORTED; in fc_fcp_rec_resp()
1576 fc_fcp_retry_cmd(fsp, FC_TRANS_RESET); in fc_fcp_rec_resp()
1579 fc_fcp_recovery(fsp, FC_TRANS_RESET); in fc_fcp_rec_resp()
1583 if (fsp->state & FC_SRB_ABORTED) in fc_fcp_rec_resp()
1586 data_dir = fsp->cmd->sc_data_direction; in fc_fcp_rec_resp()
1609 } else if (fsp->xfer_contig_end == offset) { in fc_fcp_rec_resp()
1612 offset = fsp->xfer_contig_end; in fc_fcp_rec_resp()
1615 fc_fcp_srr(fsp, r_ctl, offset); in fc_fcp_rec_resp()
1621 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_rec_resp()
1642 if (offset < fsp->data_len) in fc_fcp_rec_resp()
1644 } else if (offset == fsp->xfer_contig_end) { in fc_fcp_rec_resp()
1646 } else if (fsp->xfer_contig_end < offset) { in fc_fcp_rec_resp()
1647 offset = fsp->xfer_contig_end; in fc_fcp_rec_resp()
1649 fc_fcp_srr(fsp, r_ctl, offset); in fc_fcp_rec_resp()
1653 fc_fcp_unlock_pkt(fsp); in fc_fcp_rec_resp()
1655 fc_fcp_pkt_release(fsp); /* drop hold for outstanding REC */ in fc_fcp_rec_resp()
1664 static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_rec_error() argument
1668 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_rec_error()
1673 FC_FCP_DBG(fsp, "REC %p fid %6.6x exchange closed\n", in fc_fcp_rec_error()
1674 fsp, fsp->rport->port_id); in fc_fcp_rec_error()
1675 fc_fcp_retry_cmd(fsp, FC_ERROR); in fc_fcp_rec_error()
1679 FC_FCP_DBG(fsp, "REC %p fid %6.6x error unexpected error %d\n", in fc_fcp_rec_error()
1680 fsp, fsp->rport->port_id, error); in fc_fcp_rec_error()
1681 fsp->status_code = FC_CMD_PLOGO; in fc_fcp_rec_error()
1689 FC_FCP_DBG(fsp, "REC %p fid %6.6x exchange timeout retry %d/%d\n", in fc_fcp_rec_error()
1690 fsp, fsp->rport->port_id, fsp->recov_retry, in fc_fcp_rec_error()
1692 if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY) in fc_fcp_rec_error()
1693 fc_fcp_rec(fsp); in fc_fcp_rec_error()
1695 fc_fcp_recovery(fsp, FC_ERROR); in fc_fcp_rec_error()
1698 fc_fcp_unlock_pkt(fsp); in fc_fcp_rec_error()
1700 fc_fcp_pkt_release(fsp); /* drop hold for outstanding REC */ in fc_fcp_rec_error()
1707 static void fc_fcp_recovery(struct fc_fcp_pkt *fsp, u8 code) in fc_fcp_recovery() argument
1709 FC_FCP_DBG(fsp, "start recovery code %x\n", code); in fc_fcp_recovery()
1710 fsp->status_code = code; in fc_fcp_recovery()
1711 fsp->cdb_status = 0; in fc_fcp_recovery()
1712 fsp->io_status = 0; in fc_fcp_recovery()
1717 fc_fcp_send_abort(fsp); in fc_fcp_recovery()
1727 static void fc_fcp_srr(struct fc_fcp_pkt *fsp, enum fc_rctl r_ctl, u32 offset) in fc_fcp_srr() argument
1729 struct fc_lport *lport = fsp->lp; in fc_fcp_srr()
1732 struct fc_exch *ep = fc_seq_exch(fsp->seq_ptr); in fc_fcp_srr()
1737 rport = fsp->rport; in fc_fcp_srr()
1761 fsp, get_fsp_rec_tov(fsp)); in fc_fcp_srr()
1765 fsp->recov_seq = seq; in fc_fcp_srr()
1766 fsp->xfer_len = offset; in fc_fcp_srr()
1767 fsp->xfer_contig_end = offset; in fc_fcp_srr()
1768 fsp->state &= ~FC_SRB_RCV_STATUS; in fc_fcp_srr()
1769 fc_fcp_pkt_hold(fsp); /* hold for outstanding SRR */ in fc_fcp_srr()
1772 fc_fcp_retry_cmd(fsp, FC_TRANS_RESET); in fc_fcp_srr()
1783 struct fc_fcp_pkt *fsp = arg; in fc_fcp_srr_resp() local
1787 fc_fcp_srr_error(fsp, fp); in fc_fcp_srr_resp()
1791 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_srr_resp()
1803 fc_fcp_unlock_pkt(fsp); in fc_fcp_srr_resp()
1809 fsp->recov_retry = 0; in fc_fcp_srr_resp()
1810 fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); in fc_fcp_srr_resp()
1814 fc_fcp_recovery(fsp, FC_ERROR); in fc_fcp_srr_resp()
1817 fc_fcp_unlock_pkt(fsp); in fc_fcp_srr_resp()
1828 static void fc_fcp_srr_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) in fc_fcp_srr_error() argument
1830 if (fc_fcp_lock_pkt(fsp)) in fc_fcp_srr_error()
1834 FC_FCP_DBG(fsp, "SRR timeout, retries %d\n", fsp->recov_retry); in fc_fcp_srr_error()
1835 if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY) in fc_fcp_srr_error()
1836 fc_fcp_rec(fsp); in fc_fcp_srr_error()
1838 fc_fcp_recovery(fsp, FC_TIMED_OUT); in fc_fcp_srr_error()
1841 FC_FCP_DBG(fsp, "SRR error, exchange closed\n"); in fc_fcp_srr_error()
1844 fc_fcp_retry_cmd(fsp, FC_ERROR); in fc_fcp_srr_error()
1847 fc_fcp_unlock_pkt(fsp); in fc_fcp_srr_error()
1849 fc_exch_done(fsp->recov_seq); in fc_fcp_srr_error()
1874 struct fc_fcp_pkt *fsp; in fc_queuecommand() local
1911 fsp = fc_fcp_pkt_alloc(lport, GFP_ATOMIC); in fc_queuecommand()
1912 if (fsp == NULL) { in fc_queuecommand()
1920 fsp->cmd = sc_cmd; /* save the cmd */ in fc_queuecommand()
1921 fsp->rport = rport; /* set the remote port ptr */ in fc_queuecommand()
1926 fsp->data_len = scsi_bufflen(sc_cmd); in fc_queuecommand()
1927 fsp->xfer_len = 0; in fc_queuecommand()
1934 fsp->req_flags = FC_SRB_READ; in fc_queuecommand()
1936 stats->InputBytes += fsp->data_len; in fc_queuecommand()
1938 fsp->req_flags = FC_SRB_WRITE; in fc_queuecommand()
1940 stats->OutputBytes += fsp->data_len; in fc_queuecommand()
1942 fsp->req_flags = 0; in fc_queuecommand()
1952 rval = fc_fcp_pkt_send(lport, fsp); in fc_queuecommand()
1954 fsp->state = FC_SRB_FREE; in fc_queuecommand()
1955 fc_fcp_pkt_release(fsp); in fc_queuecommand()
1970 static void fc_io_compl(struct fc_fcp_pkt *fsp) in fc_io_compl() argument
1978 fc_fcp_ddp_done(fsp); in fc_io_compl()
1980 fsp->state |= FC_SRB_COMPL; in fc_io_compl()
1981 if (!(fsp->state & FC_SRB_FCP_PROCESSING_TMO)) { in fc_io_compl()
1982 spin_unlock_bh(&fsp->scsi_pkt_lock); in fc_io_compl()
1983 del_timer_sync(&fsp->timer); in fc_io_compl()
1984 spin_lock_bh(&fsp->scsi_pkt_lock); in fc_io_compl()
1987 lport = fsp->lp; in fc_io_compl()
1997 sc_cmd = fsp->cmd; in fc_io_compl()
1998 CMD_SCSI_STATUS(sc_cmd) = fsp->cdb_status; in fc_io_compl()
1999 switch (fsp->status_code) { in fc_io_compl()
2001 if (fsp->cdb_status == 0) { in fc_io_compl()
2006 if (fsp->scsi_resid) in fc_io_compl()
2007 CMD_RESID_LEN(sc_cmd) = fsp->scsi_resid; in fc_io_compl()
2013 sc_cmd->result = (DID_OK << 16) | fsp->cdb_status; in fc_io_compl()
2017 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2022 if ((fsp->cdb_status == 0) && !(fsp->req_flags & FC_SRB_READ)) { in fc_io_compl()
2027 if (fsp->state & FC_SRB_RCV_STATUS) { in fc_io_compl()
2030 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml" in fc_io_compl()
2038 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2040 CMD_RESID_LEN(sc_cmd) = fsp->scsi_resid; in fc_io_compl()
2041 sc_cmd->result = (DID_ERROR << 16) | fsp->cdb_status; in fc_io_compl()
2048 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2050 sc_cmd->result = (DID_ERROR << 16) | fsp->cdb_status; in fc_io_compl()
2054 FC_FCP_DBG(fsp, "Returning DID_TIME_OUT to scsi-ml " in fc_io_compl()
2057 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2061 sc_cmd->result |= fsp->io_status; in fc_io_compl()
2064 FC_FCP_DBG(fsp, "Returning DID_RESET to scsi-ml " in fc_io_compl()
2069 FC_FCP_DBG(fsp, "Returning DID_SOFT_ERROR to scsi-ml " in fc_io_compl()
2074 FC_FCP_DBG(fsp, "Returning DID_NO_CONNECT to scsi-ml " in fc_io_compl()
2079 FC_FCP_DBG(fsp, "Returning DID_PARITY to scsi-ml " in fc_io_compl()
2084 FC_FCP_DBG(fsp, "Returning DID_BUS_BUSY to scsi-ml " in fc_io_compl()
2086 sc_cmd->result = (DID_BUS_BUSY << 16) | fsp->io_status; in fc_io_compl()
2089 FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " in fc_io_compl()
2095 if (lport->state != LPORT_ST_READY && fsp->status_code != FC_COMPLETE) in fc_io_compl()
2099 list_del(&fsp->list); in fc_io_compl()
2105 fc_fcp_pkt_release(fsp); in fc_io_compl()
2117 struct fc_fcp_pkt *fsp; in fc_eh_abort() local
2136 fsp = CMD_SP(sc_cmd); in fc_eh_abort()
2137 if (!fsp) { in fc_eh_abort()
2143 fc_fcp_pkt_hold(fsp); in fc_eh_abort()
2146 if (fc_fcp_lock_pkt(fsp)) { in fc_eh_abort()
2152 rc = fc_fcp_pkt_abort(fsp); in fc_eh_abort()
2153 fc_fcp_unlock_pkt(fsp); in fc_eh_abort()
2156 fc_fcp_pkt_release(fsp); in fc_eh_abort()
2171 struct fc_fcp_pkt *fsp; in fc_eh_device_reset() local
2187 fsp = fc_fcp_pkt_alloc(lport, GFP_NOIO); in fc_eh_device_reset()
2188 if (fsp == NULL) { in fc_eh_device_reset()
2198 fsp->rport = rport; /* set the remote port ptr */ in fc_eh_device_reset()
2203 rc = fc_lun_reset(lport, fsp, scmd_id(sc_cmd), sc_cmd->device->lun); in fc_eh_device_reset()
2204 fsp->state = FC_SRB_FREE; in fc_eh_device_reset()
2205 fc_fcp_pkt_release(fsp); in fc_eh_device_reset()