Lines Matching refs:info
142 static inline unsigned char fas216_readb(FAS216_Info *info, unsigned int reg) in fas216_readb() argument
144 unsigned int off = reg << info->scsi.io_shift; in fas216_readb()
145 return readb(info->scsi.io_base + off); in fas216_readb()
148 static inline void fas216_writeb(FAS216_Info *info, unsigned int reg, unsigned int val) in fas216_writeb() argument
150 unsigned int off = reg << info->scsi.io_shift; in fas216_writeb()
151 writeb(val, info->scsi.io_base + off); in fas216_writeb()
154 static void fas216_dumpstate(FAS216_Info *info) in fas216_dumpstate() argument
158 is = fas216_readb(info, REG_IS); in fas216_dumpstate()
159 stat = fas216_readb(info, REG_STAT); in fas216_dumpstate()
160 inst = fas216_readb(info, REG_INST); in fas216_dumpstate()
164 fas216_readb(info, REG_CTCL), in fas216_dumpstate()
165 fas216_readb(info, REG_CTCM), in fas216_dumpstate()
166 fas216_readb(info, REG_CMD), stat, inst, is, in fas216_dumpstate()
167 fas216_readb(info, REG_CFIS)); in fas216_dumpstate()
169 fas216_readb(info, REG_CNTL1), in fas216_dumpstate()
170 fas216_readb(info, REG_CNTL2), in fas216_dumpstate()
171 fas216_readb(info, REG_CNTL3), in fas216_dumpstate()
172 fas216_readb(info, REG_CTCH)); in fas216_dumpstate()
183 static void fas216_dumpinfo(FAS216_Info *info) in fas216_dumpinfo() argument
193 info->magic_start, info->host, info->SCpnt, in fas216_dumpinfo()
194 info->origSCpnt); in fas216_dumpinfo()
196 info->scsi.io_shift, info->scsi.irq, in fas216_dumpinfo()
197 info->scsi.cfg[0], info->scsi.cfg[1], info->scsi.cfg[2], in fas216_dumpinfo()
198 info->scsi.cfg[3]); in fas216_dumpinfo()
200 info->scsi.type, info->scsi.phase); in fas216_dumpinfo()
201 print_SCp(&info->scsi.SCp, " SCp={ ", " }\n"); in fas216_dumpinfo()
203 info->scsi.async_stp, in fas216_dumpinfo()
204 info->scsi.disconnectable, info->scsi.aborting); in fas216_dumpinfo()
207 info->stats.queues, info->stats.removes, info->stats.fins, in fas216_dumpinfo()
208 info->stats.reads, info->stats.writes, info->stats.miscs, in fas216_dumpinfo()
209 info->stats.disconnects, info->stats.aborts, info->stats.bus_resets, in fas216_dumpinfo()
210 info->stats.host_resets); in fas216_dumpinfo()
212 info->ifcfg.clockrate, info->ifcfg.select_timeout, in fas216_dumpinfo()
213 info->ifcfg.asyncperiod, info->ifcfg.sync_max_depth); in fas216_dumpinfo()
216 i, info->busyluns[i], i, in fas216_dumpinfo()
217 info->device[i].disconnect_ok, info->device[i].stp, in fas216_dumpinfo()
218 info->device[i].sof, info->device[i].sync_state); in fas216_dumpinfo()
221 info->dma.transfer_type, info->dma.setup, in fas216_dumpinfo()
222 info->dma.pseudo, info->dma.stop); in fas216_dumpinfo()
224 info->internal_done, info->magic_end); in fas216_dumpinfo()
227 static void __fas216_checkmagic(FAS216_Info *info, const char *func) in __fas216_checkmagic() argument
230 if (info->magic_start != MAGIC) { in __fas216_checkmagic()
234 if (info->magic_end != MAGIC) { in __fas216_checkmagic()
239 fas216_dumpinfo(info); in __fas216_checkmagic()
243 #define fas216_checkmagic(info) __fas216_checkmagic((info), __func__) argument
245 #define fas216_checkmagic(info) argument
260 static const char *fas216_drv_phase(FAS216_Info *info) in fas216_drv_phase() argument
276 if (info->scsi.phase < ARRAY_SIZE(phases) && in fas216_drv_phase()
277 phases[info->scsi.phase]) in fas216_drv_phase()
278 return phases[info->scsi.phase]; in fas216_drv_phase()
282 static char fas216_target(FAS216_Info *info) in fas216_target() argument
284 if (info->SCpnt) in fas216_target()
285 return '0' + info->SCpnt->device->id; in fas216_target()
291 fas216_do_log(FAS216_Info *info, char target, char *fmt, va_list ap) in fas216_do_log() argument
296 printk("scsi%d.%c: %s", info->host->host_no, target, buf); in fas216_do_log()
299 static void fas216_log_command(FAS216_Info *info, int level, in fas216_log_command() argument
308 fas216_do_log(info, '0' + SCpnt->device->id, fmt, args); in fas216_log_command()
315 fas216_log_target(FAS216_Info *info, int level, int target, char *fmt, ...) in fas216_log_target() argument
328 fas216_do_log(info, target, fmt, args); in fas216_log_target()
334 static void fas216_log(FAS216_Info *info, int level, char *fmt, ...) in fas216_log() argument
342 fas216_do_log(info, fas216_target(info), fmt, args); in fas216_log()
366 static void fas216_cmd(FAS216_Info *info, unsigned int command) in fas216_cmd() argument
373 fas216_writeb(info, REG_CMD, command); in fas216_cmd()
403 static void fas216_done(FAS216_Info *info, unsigned int result);
413 fas216_get_last_msg(FAS216_Info *info, int pos) in fas216_get_last_msg() argument
419 while ((msg = msgqueue_getmsg(&info->scsi.msgs, msgnr++)) != NULL) { in fas216_get_last_msg()
431 fas216_log(info, LOG_MESSAGES, in fas216_get_last_msg()
445 static int fas216_syncperiod(FAS216_Info *info, int ns) in fas216_syncperiod() argument
447 int value = (info->ifcfg.clockrate * ns) / 1000; in fas216_syncperiod()
449 fas216_checkmagic(info); in fas216_syncperiod()
469 static void fas216_set_sync(FAS216_Info *info, int target) in fas216_set_sync() argument
473 fas216_writeb(info, REG_SOF, info->device[target].sof); in fas216_set_sync()
474 fas216_writeb(info, REG_STP, info->device[target].stp); in fas216_set_sync()
476 cntl3 = info->scsi.cfg[2]; in fas216_set_sync()
477 if (info->device[target].period >= (200 / 4)) in fas216_set_sync()
480 fas216_writeb(info, REG_CNTL3, cntl3); in fas216_set_sync()
514 static void fas216_handlesync(FAS216_Info *info, char *msg) in fas216_handlesync() argument
516 struct fas216_device *dev = &info->device[info->SCpnt->device->id]; in fas216_handlesync()
555 fas216_cmd(info, CMD_SETATN); in fas216_handlesync()
556 if (msg[4] > info->ifcfg.sync_max_depth) in fas216_handlesync()
557 msg[4] = info->ifcfg.sync_max_depth; in fas216_handlesync()
558 if (msg[3] < 1000 / info->ifcfg.clockrate) in fas216_handlesync()
559 msg[3] = 1000 / info->ifcfg.clockrate; in fas216_handlesync()
561 msgqueue_flush(&info->scsi.msgs); in fas216_handlesync()
562 msgqueue_addmsg(&info->scsi.msgs, 5, in fas216_handlesync()
565 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_handlesync()
582 if (msg[4] <= info->ifcfg.sync_max_depth && in fas216_handlesync()
583 msg[3] >= 1000 / info->ifcfg.clockrate) { in fas216_handlesync()
598 dev->stp = fas216_syncperiod(info, msg[3] * 4); in fas216_handlesync()
599 fas216_set_sync(info, info->SCpnt->device->id); in fas216_handlesync()
603 fas216_cmd(info, CMD_SETATN); in fas216_handlesync()
604 msgqueue_flush(&info->scsi.msgs); in fas216_handlesync()
605 msgqueue_addmsg(&info->scsi.msgs, 1, MESSAGE_REJECT); in fas216_handlesync()
606 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_handlesync()
609 dev->period = info->ifcfg.asyncperiod / 4; in fas216_handlesync()
611 dev->stp = info->scsi.async_stp; in fas216_handlesync()
612 fas216_set_sync(info, info->SCpnt->device->id); in fas216_handlesync()
627 static void fas216_updateptrs(FAS216_Info *info, int bytes_transferred) in fas216_updateptrs() argument
629 struct scsi_pointer *SCp = &info->scsi.SCp; in fas216_updateptrs()
631 fas216_checkmagic(info); in fas216_updateptrs()
647 info->host->host_no, '0' + info->SCpnt->device->id); in fas216_updateptrs()
667 static void fas216_pio(FAS216_Info *info, fasdmadir_t direction) in fas216_pio() argument
669 struct scsi_pointer *SCp = &info->scsi.SCp; in fas216_pio()
671 fas216_checkmagic(info); in fas216_pio()
674 fas216_writeb(info, REG_FF, get_next_SCp_byte(SCp)); in fas216_pio()
676 put_next_SCp_byte(SCp, fas216_readb(info, REG_FF)); in fas216_pio()
682 static void fas216_set_stc(FAS216_Info *info, unsigned int length) in fas216_set_stc() argument
684 fas216_writeb(info, REG_STCL, length); in fas216_set_stc()
685 fas216_writeb(info, REG_STCM, length >> 8); in fas216_set_stc()
686 fas216_writeb(info, REG_STCH, length >> 16); in fas216_set_stc()
689 static unsigned int fas216_get_ctc(FAS216_Info *info) in fas216_get_ctc() argument
691 return fas216_readb(info, REG_CTCL) + in fas216_get_ctc()
692 (fas216_readb(info, REG_CTCM) << 8) + in fas216_get_ctc()
693 (fas216_readb(info, REG_CTCH) << 16); in fas216_get_ctc()
703 static void fas216_cleanuptransfer(FAS216_Info *info) in fas216_cleanuptransfer() argument
706 fasdmatype_t dmatype = info->dma.transfer_type; in fas216_cleanuptransfer()
708 info->dma.transfer_type = fasdma_none; in fas216_cleanuptransfer()
717 total = info->scsi.SCp.phase; in fas216_cleanuptransfer()
719 total = info->scsi.SCp.this_residual; in fas216_cleanuptransfer()
721 residual = fas216_get_ctc(info); in fas216_cleanuptransfer()
723 fifo = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_cleanuptransfer()
725 fas216_log(info, LOG_BUFFER, "cleaning up from previous " in fas216_cleanuptransfer()
735 if (info->scsi.phase == PHASE_DATAOUT) in fas216_cleanuptransfer()
738 fas216_updateptrs(info, total - residual); in fas216_cleanuptransfer()
747 static void fas216_transfer(FAS216_Info *info) in fas216_transfer() argument
752 fas216_log(info, LOG_BUFFER, in fas216_transfer()
754 info->scsi.SCp.ptr, info->scsi.SCp.this_residual, in fas216_transfer()
755 info->scsi.SCp.phase); in fas216_transfer()
757 if (!info->scsi.SCp.ptr) { in fas216_transfer()
758 fas216_log(info, LOG_ERROR, "null buffer passed to " in fas216_transfer()
760 print_SCp(&info->scsi.SCp, "SCp: ", "\n"); in fas216_transfer()
761 print_SCp(&info->SCpnt->SCp, "Cmnd SCp: ", "\n"); in fas216_transfer()
770 if (info->device[info->SCpnt->device->id].sof) in fas216_transfer()
775 if (info->scsi.phase == PHASE_DATAOUT) in fas216_transfer()
780 if (info->dma.setup) in fas216_transfer()
781 dmatype = info->dma.setup(info->host, &info->scsi.SCp, in fas216_transfer()
783 info->dma.transfer_type = dmatype; in fas216_transfer()
786 fas216_set_stc(info, info->scsi.SCp.phase); in fas216_transfer()
788 fas216_set_stc(info, info->scsi.SCp.this_residual); in fas216_transfer()
792 fas216_log(info, LOG_BUFFER, "PIO transfer"); in fas216_transfer()
793 fas216_writeb(info, REG_SOF, 0); in fas216_transfer()
794 fas216_writeb(info, REG_STP, info->scsi.async_stp); in fas216_transfer()
795 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_transfer()
796 fas216_pio(info, direction); in fas216_transfer()
800 fas216_log(info, LOG_BUFFER, "pseudo transfer"); in fas216_transfer()
801 fas216_cmd(info, CMD_TRANSFERINFO | CMD_WITHDMA); in fas216_transfer()
802 info->dma.pseudo(info->host, &info->scsi.SCp, in fas216_transfer()
803 direction, info->SCpnt->transfersize); in fas216_transfer()
807 fas216_log(info, LOG_BUFFER, "block dma transfer"); in fas216_transfer()
808 fas216_cmd(info, CMD_TRANSFERINFO | CMD_WITHDMA); in fas216_transfer()
812 fas216_log(info, LOG_BUFFER, "total dma transfer"); in fas216_transfer()
813 fas216_cmd(info, CMD_TRANSFERINFO | CMD_WITHDMA); in fas216_transfer()
817 fas216_log(info, LOG_BUFFER | LOG_ERROR, in fas216_transfer()
829 static void fas216_stoptransfer(FAS216_Info *info) in fas216_stoptransfer() argument
831 fas216_checkmagic(info); in fas216_stoptransfer()
833 if (info->dma.transfer_type == fasdma_real_all || in fas216_stoptransfer()
834 info->dma.transfer_type == fasdma_real_block) in fas216_stoptransfer()
835 info->dma.stop(info->host, &info->scsi.SCp); in fas216_stoptransfer()
837 fas216_cleanuptransfer(info); in fas216_stoptransfer()
839 if (info->scsi.phase == PHASE_DATAIN) { in fas216_stoptransfer()
847 fifo = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_stoptransfer()
848 while (fifo && info->scsi.SCp.ptr) { in fas216_stoptransfer()
849 *info->scsi.SCp.ptr = fas216_readb(info, REG_FF); in fas216_stoptransfer()
850 fas216_updateptrs(info, 1); in fas216_stoptransfer()
858 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_stoptransfer()
862 static void fas216_aborttransfer(FAS216_Info *info) in fas216_aborttransfer() argument
864 fas216_checkmagic(info); in fas216_aborttransfer()
866 if (info->dma.transfer_type == fasdma_real_all || in fas216_aborttransfer()
867 info->dma.transfer_type == fasdma_real_block) in fas216_aborttransfer()
868 info->dma.stop(info->host, &info->scsi.SCp); in fas216_aborttransfer()
870 info->dma.transfer_type = fasdma_none; in fas216_aborttransfer()
871 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_aborttransfer()
874 static void fas216_kick(FAS216_Info *info);
882 static void fas216_disconnect_intr(FAS216_Info *info) in fas216_disconnect_intr() argument
886 fas216_checkmagic(info); in fas216_disconnect_intr()
888 fas216_log(info, LOG_CONNECT, "disconnect phase=%02x", in fas216_disconnect_intr()
889 info->scsi.phase); in fas216_disconnect_intr()
891 msgqueue_flush(&info->scsi.msgs); in fas216_disconnect_intr()
893 switch (info->scsi.phase) { in fas216_disconnect_intr()
896 fas216_done(info, DID_NO_CONNECT); in fas216_disconnect_intr()
900 info->scsi.disconnectable = 1; in fas216_disconnect_intr()
901 info->scsi.phase = PHASE_IDLE; in fas216_disconnect_intr()
902 info->stats.disconnects += 1; in fas216_disconnect_intr()
903 spin_lock_irqsave(&info->host_lock, flags); in fas216_disconnect_intr()
904 if (info->scsi.phase == PHASE_IDLE) in fas216_disconnect_intr()
905 fas216_kick(info); in fas216_disconnect_intr()
906 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_disconnect_intr()
910 fas216_done(info, DID_OK); in fas216_disconnect_intr()
914 if (fas216_get_last_msg(info, info->scsi.msgin_fifo) == ABORT) { in fas216_disconnect_intr()
915 info->scsi.aborting = 0; in fas216_disconnect_intr()
916 fas216_done(info, DID_ABORT); in fas216_disconnect_intr()
922 info->host->host_no, fas216_target(info), fas216_drv_phase(info)); in fas216_disconnect_intr()
924 fas216_stoptransfer(info); in fas216_disconnect_intr()
925 fas216_done(info, DID_ERROR); in fas216_disconnect_intr()
937 fas216_reselected_intr(FAS216_Info *info) in fas216_reselected_intr() argument
943 fas216_checkmagic(info); in fas216_reselected_intr()
945 WARN_ON(info->scsi.phase == PHASE_SELECTION || in fas216_reselected_intr()
946 info->scsi.phase == PHASE_SELSTEPS); in fas216_reselected_intr()
948 cfis = fas216_readb(info, REG_CFIS); in fas216_reselected_intr()
950 fas216_log(info, LOG_CONNECT, "reconnect phase=%02x cfis=%02x", in fas216_reselected_intr()
951 info->scsi.phase, cfis); in fas216_reselected_intr()
957 info->host->host_no); in fas216_reselected_intr()
962 msg[i] = fas216_readb(info, REG_FF); in fas216_reselected_intr()
964 if (!(msg[0] & (1 << info->host->this_id)) || in fas216_reselected_intr()
968 target = msg[0] & ~(1 << info->host->this_id); in fas216_reselected_intr()
981 fas216_writeb(info, REG_SDID, target); in fas216_reselected_intr()
982 fas216_set_sync(info, target); in fas216_reselected_intr()
983 msgqueue_flush(&info->scsi.msgs); in fas216_reselected_intr()
985 fas216_log(info, LOG_CONNECT, "Reconnected: target %1x lun %1x tag %02x", in fas216_reselected_intr()
988 if (info->scsi.disconnectable && info->SCpnt) { in fas216_reselected_intr()
989 info->scsi.disconnectable = 0; in fas216_reselected_intr()
990 if (info->SCpnt->device->id == target && in fas216_reselected_intr()
991 info->SCpnt->device->lun == lun && in fas216_reselected_intr()
992 info->SCpnt->tag == tag) { in fas216_reselected_intr()
993 fas216_log(info, LOG_CONNECT, "reconnected previously executing command"); in fas216_reselected_intr()
995 queue_add_cmd_tail(&info->queues.disconnected, info->SCpnt); in fas216_reselected_intr()
996 fas216_log(info, LOG_CONNECT, "had to move command to disconnected queue"); in fas216_reselected_intr()
997 info->SCpnt = NULL; in fas216_reselected_intr()
1000 if (!info->SCpnt) { in fas216_reselected_intr()
1001 info->SCpnt = queue_remove_tgtluntag(&info->queues.disconnected, in fas216_reselected_intr()
1003 fas216_log(info, LOG_CONNECT, "had to get command"); in fas216_reselected_intr()
1006 if (info->SCpnt) { in fas216_reselected_intr()
1010 info->scsi.SCp = info->SCpnt->SCp; in fas216_reselected_intr()
1012 fas216_log(info, LOG_CONNECT, "data pointers: [%p, %X]", in fas216_reselected_intr()
1013 info->scsi.SCp.ptr, info->scsi.SCp.this_residual); in fas216_reselected_intr()
1014 info->scsi.phase = PHASE_MSGIN; in fas216_reselected_intr()
1022 fas216_cmd(info, CMD_SETATN); in fas216_reselected_intr()
1026 msgqueue_addmsg(&info->scsi.msgs, 2, ABORT_TAG, tag); in fas216_reselected_intr()
1029 msgqueue_addmsg(&info->scsi.msgs, 1, ABORT); in fas216_reselected_intr()
1030 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_reselected_intr()
1031 info->scsi.aborting = 1; in fas216_reselected_intr()
1034 fas216_cmd(info, CMD_MSGACCEPTED); in fas216_reselected_intr()
1039 info->host->host_no); in fas216_reselected_intr()
1044 fas216_cmd(info, CMD_SETATN); in fas216_reselected_intr()
1045 msgqueue_flush(&info->scsi.msgs); in fas216_reselected_intr()
1046 msgqueue_addmsg(&info->scsi.msgs, 1, INITIATOR_ERROR); in fas216_reselected_intr()
1047 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_reselected_intr()
1048 fas216_cmd(info, CMD_MSGACCEPTED); in fas216_reselected_intr()
1051 static void fas216_parse_message(FAS216_Info *info, unsigned char *message, int msglen) in fas216_parse_message() argument
1062 info->host->host_no, fas216_target(info)); in fas216_parse_message()
1077 info->SCpnt->SCp = info->scsi.SCp; in fas216_parse_message()
1078 info->SCpnt->SCp.sent_command = 0; in fas216_parse_message()
1079 fas216_log(info, LOG_CONNECT | LOG_MESSAGES | LOG_BUFFER, in fas216_parse_message()
1081 info->scsi.SCp.ptr, info->scsi.SCp.this_residual); in fas216_parse_message()
1091 info->scsi.SCp = info->SCpnt->SCp; in fas216_parse_message()
1092 fas216_log(info, LOG_CONNECT | LOG_MESSAGES | LOG_BUFFER, in fas216_parse_message()
1094 info->scsi.SCp.ptr, info->scsi.SCp.this_residual); in fas216_parse_message()
1101 info->scsi.phase = PHASE_MSGIN_DISCONNECT; in fas216_parse_message()
1108 switch (fas216_get_last_msg(info, info->scsi.msgin_fifo)) { in fas216_parse_message()
1110 fas216_handlesync(info, message); in fas216_parse_message()
1114 fas216_log(info, 0, "reject, last message 0x%04x", in fas216_parse_message()
1115 fas216_get_last_msg(info, info->scsi.msgin_fifo)); in fas216_parse_message()
1128 fas216_handlesync(info, message); in fas216_parse_message()
1142 fas216_log(info, 0, "unrecognised message, rejecting"); in fas216_parse_message()
1143 printk("scsi%d.%c: message was", info->host->host_no, fas216_target(info)); in fas216_parse_message()
1153 fas216_cmd(info, CMD_NOP); in fas216_parse_message()
1154 fas216_dumpstate(info); in fas216_parse_message()
1155 fas216_cmd(info, CMD_SETATN); in fas216_parse_message()
1156 msgqueue_flush(&info->scsi.msgs); in fas216_parse_message()
1157 msgqueue_addmsg(&info->scsi.msgs, 1, MESSAGE_REJECT); in fas216_parse_message()
1158 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_parse_message()
1159 fas216_dumpstate(info); in fas216_parse_message()
1162 static int fas216_wait_cmd(FAS216_Info *info, int cmd) in fas216_wait_cmd() argument
1167 fas216_cmd(info, cmd); in fas216_wait_cmd()
1170 stat = fas216_readb(info, REG_STAT); in fas216_wait_cmd()
1179 static int fas216_get_msg_byte(FAS216_Info *info) in fas216_get_msg_byte() argument
1181 unsigned int stat = fas216_wait_cmd(info, CMD_MSGACCEPTED); in fas216_get_msg_byte()
1189 fas216_readb(info, REG_INST); in fas216_get_msg_byte()
1191 stat = fas216_wait_cmd(info, CMD_TRANSFERINFO); in fas216_get_msg_byte()
1202 fas216_readb(info, REG_INST); in fas216_get_msg_byte()
1204 return fas216_readb(info, REG_FF); in fas216_get_msg_byte()
1207 fas216_log(info, LOG_ERROR, "timed out waiting for message byte"); in fas216_get_msg_byte()
1211 fas216_log(info, LOG_ERROR, "unexpected phase change: status = %02x", stat); in fas216_get_msg_byte()
1215 fas216_log(info, LOG_ERROR, "parity error during message in phase"); in fas216_get_msg_byte()
1225 static void fas216_message(FAS216_Info *info) in fas216_message() argument
1227 unsigned char *message = info->scsi.message; in fas216_message()
1231 fas216_checkmagic(info); in fas216_message()
1233 message[0] = fas216_readb(info, REG_FF); in fas216_message()
1236 msgbyte = fas216_get_msg_byte(info); in fas216_message()
1242 msgbyte = fas216_get_msg_byte(info); in fas216_message()
1260 info->host->host_no, fas216_target(info)); in fas216_message()
1267 fas216_parse_message(info, message, msglen); in fas216_message()
1268 fas216_cmd(info, CMD_MSGACCEPTED); in fas216_message()
1272 fas216_cmd(info, CMD_SETATN); in fas216_message()
1273 msgqueue_flush(&info->scsi.msgs); in fas216_message()
1274 msgqueue_addmsg(&info->scsi.msgs, 1, MSG_PARITY_ERROR); in fas216_message()
1275 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_message()
1276 fas216_cmd(info, CMD_MSGACCEPTED); in fas216_message()
1286 static void fas216_send_command(FAS216_Info *info) in fas216_send_command() argument
1290 fas216_checkmagic(info); in fas216_send_command()
1292 fas216_cmd(info, CMD_NOP|CMD_WITHDMA); in fas216_send_command()
1293 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_send_command()
1296 for (i = info->scsi.SCp.sent_command; i < info->SCpnt->cmd_len; i++) in fas216_send_command()
1297 fas216_writeb(info, REG_FF, info->SCpnt->cmnd[i]); in fas216_send_command()
1299 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_send_command()
1301 info->scsi.phase = PHASE_COMMAND; in fas216_send_command()
1311 static void fas216_send_messageout(FAS216_Info *info, int start) in fas216_send_messageout() argument
1313 unsigned int tot_msglen = msgqueue_msglength(&info->scsi.msgs); in fas216_send_messageout()
1315 fas216_checkmagic(info); in fas216_send_messageout()
1317 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_send_messageout()
1323 while ((msg = msgqueue_getmsg(&info->scsi.msgs, msgnr++)) != NULL) { in fas216_send_messageout()
1327 fas216_writeb(info, REG_FF, msg->msg[i]); in fas216_send_messageout()
1329 msg->fifo = tot_msglen - (fas216_readb(info, REG_CFIS) & CFIS_CF); in fas216_send_messageout()
1333 fas216_writeb(info, REG_FF, NOP); in fas216_send_messageout()
1335 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_send_messageout()
1337 info->scsi.phase = PHASE_MSGOUT; in fas216_send_messageout()
1348 static void fas216_busservice_intr(FAS216_Info *info, unsigned int stat, unsigned int is) in fas216_busservice_intr() argument
1350 fas216_checkmagic(info); in fas216_busservice_intr()
1352 fas216_log(info, LOG_BUSSERVICE, in fas216_busservice_intr()
1354 stat, is, info->scsi.phase); in fas216_busservice_intr()
1356 switch (info->scsi.phase) { in fas216_busservice_intr()
1382 fas216_cmd(info, CMD_NOP); in fas216_busservice_intr()
1388 switch (STATE(stat & STAT_BUSMASK, info->scsi.phase)) { in fas216_busservice_intr()
1393 info->scsi.phase = PHASE_DATAIN; in fas216_busservice_intr()
1394 fas216_transfer(info); in fas216_busservice_intr()
1399 fas216_cleanuptransfer(info); in fas216_busservice_intr()
1400 fas216_transfer(info); in fas216_busservice_intr()
1407 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_busservice_intr()
1408 info->scsi.phase = PHASE_DATAOUT; in fas216_busservice_intr()
1409 fas216_transfer(info); in fas216_busservice_intr()
1414 fas216_stoptransfer(info); in fas216_busservice_intr()
1419 fas216_cmd(info, CMD_INITCMDCOMPLETE); in fas216_busservice_intr()
1420 info->scsi.phase = PHASE_STATUS; in fas216_busservice_intr()
1425 fas216_stoptransfer(info); in fas216_busservice_intr()
1429 info->scsi.msgin_fifo = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_busservice_intr()
1430 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_busservice_intr()
1431 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_busservice_intr()
1432 info->scsi.phase = PHASE_MSGIN; in fas216_busservice_intr()
1436 info->scsi.msgin_fifo = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_busservice_intr()
1437 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_busservice_intr()
1442 fas216_send_command(info); in fas216_busservice_intr()
1443 info->scsi.phase = PHASE_COMMAND; in fas216_busservice_intr()
1451 fas216_send_messageout(info, 1); in fas216_busservice_intr()
1465 if (info->device[info->SCpnt->device->id].parity_check) { in fas216_busservice_intr()
1470 info->device[info->SCpnt->device->id].parity_check = 0; in fas216_busservice_intr()
1471 info->device[info->SCpnt->device->id].parity_enabled = 1; in fas216_busservice_intr()
1472 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_busservice_intr()
1475 if (msgqueue_msglength(&info->scsi.msgs) > 1) in fas216_busservice_intr()
1476 fas216_cmd(info, CMD_SETATN); in fas216_busservice_intr()
1483 fas216_send_messageout(info, 0); in fas216_busservice_intr()
1499 info->host->host_no, fas216_target(info)); in fas216_busservice_intr()
1500 fas216_cmd(info, CMD_SETATN); in fas216_busservice_intr()
1501 fas216_set_stc(info, 15); in fas216_busservice_intr()
1502 fas216_cmd(info, CMD_PADBYTES | CMD_WITHDMA); in fas216_busservice_intr()
1503 msgqueue_flush(&info->scsi.msgs); in fas216_busservice_intr()
1504 msgqueue_addmsg(&info->scsi.msgs, 1, INITIATOR_ERROR); in fas216_busservice_intr()
1505 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_busservice_intr()
1509 if (info->scsi.phase == PHASE_MSGIN_DISCONNECT) { in fas216_busservice_intr()
1511 info->host->host_no, fas216_target(info), in fas216_busservice_intr()
1513 msgqueue_flush(&info->scsi.msgs); in fas216_busservice_intr()
1514 fas216_cmd(info, CMD_SETATN); in fas216_busservice_intr()
1515 msgqueue_addmsg(&info->scsi.msgs, 1, INITIATOR_ERROR); in fas216_busservice_intr()
1516 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_busservice_intr()
1517 info->scsi.aborting = 1; in fas216_busservice_intr()
1518 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_busservice_intr()
1522 info->host->host_no, fas216_target(info), in fas216_busservice_intr()
1524 fas216_drv_phase(info)); in fas216_busservice_intr()
1529 fas216_log(info, 0, "bus service at step %d?", is & IS_BITS); in fas216_busservice_intr()
1530 fas216_dumpstate(info); in fas216_busservice_intr()
1533 fas216_done(info, DID_ERROR); in fas216_busservice_intr()
1544 static void fas216_funcdone_intr(FAS216_Info *info, unsigned int stat, unsigned int is) in fas216_funcdone_intr() argument
1546 unsigned int fifo_len = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_funcdone_intr()
1548 fas216_checkmagic(info); in fas216_funcdone_intr()
1550 fas216_log(info, LOG_FUNCTIONDONE, in fas216_funcdone_intr()
1552 stat, is, info->scsi.phase); in fas216_funcdone_intr()
1554 switch (info->scsi.phase) { in fas216_funcdone_intr()
1557 fas216_log(info, 0, "odd number of bytes in FIFO: %d", fifo_len); in fas216_funcdone_intr()
1562 info->scsi.SCp.Status = fas216_readb(info, REG_FF); in fas216_funcdone_intr()
1563 info->scsi.SCp.Message = fas216_readb(info, REG_FF); in fas216_funcdone_intr()
1564 info->scsi.phase = PHASE_DONE; in fas216_funcdone_intr()
1565 fas216_cmd(info, CMD_MSGACCEPTED); in fas216_funcdone_intr()
1575 info->scsi.msgin_fifo = fifo_len; in fas216_funcdone_intr()
1576 fas216_message(info); in fas216_funcdone_intr()
1581 fas216_log(info, 0, "internal phase %s for function done?" in fas216_funcdone_intr()
1583 fas216_target(info), fas216_drv_phase(info)); in fas216_funcdone_intr()
1587 static void fas216_bus_reset(FAS216_Info *info) in fas216_bus_reset() argument
1592 msgqueue_flush(&info->scsi.msgs); in fas216_bus_reset()
1597 if (info->ifcfg.capabilities & (FASCAP_DMA|FASCAP_PSEUDODMA)) in fas216_bus_reset()
1601 info->scsi.phase = PHASE_IDLE; in fas216_bus_reset()
1602 info->SCpnt = NULL; /* bug! */ in fas216_bus_reset()
1603 memset(&info->scsi.SCp, 0, sizeof(info->scsi.SCp)); in fas216_bus_reset()
1606 info->device[i].disconnect_ok = info->ifcfg.disconnect_ok; in fas216_bus_reset()
1607 info->device[i].sync_state = sync_state; in fas216_bus_reset()
1608 info->device[i].period = info->ifcfg.asyncperiod / 4; in fas216_bus_reset()
1609 info->device[i].stp = info->scsi.async_stp; in fas216_bus_reset()
1610 info->device[i].sof = 0; in fas216_bus_reset()
1611 info->device[i].wide_xfer = 0; in fas216_bus_reset()
1614 info->rst_bus_status = 1; in fas216_bus_reset()
1615 wake_up(&info->eh_wait); in fas216_bus_reset()
1624 irqreturn_t fas216_intr(FAS216_Info *info) in fas216_intr() argument
1629 fas216_checkmagic(info); in fas216_intr()
1631 stat = fas216_readb(info, REG_STAT); in fas216_intr()
1632 is = fas216_readb(info, REG_IS); in fas216_intr()
1633 inst = fas216_readb(info, REG_INST); in fas216_intr()
1635 add_debug_list(stat, is, inst, info->scsi.phase); in fas216_intr()
1639 fas216_log(info, 0, "bus reset detected"); in fas216_intr()
1640 fas216_bus_reset(info); in fas216_intr()
1641 scsi_report_bus_reset(info->host, 0); in fas216_intr()
1643 fas216_log(info, LOG_ERROR, "illegal command given\n"); in fas216_intr()
1644 fas216_dumpstate(info); in fas216_intr()
1647 fas216_disconnect_intr(info); in fas216_intr()
1649 fas216_reselected_intr(info); in fas216_intr()
1651 fas216_busservice_intr(info, stat, is); in fas216_intr()
1653 fas216_funcdone_intr(info, stat, is); in fas216_intr()
1655 fas216_log(info, 0, "unknown interrupt received:" in fas216_intr()
1657 fas216_drv_phase(info), inst, is, stat); in fas216_intr()
1663 static void __fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt) in __fas216_start_command() argument
1668 fas216_set_stc(info, 0); in __fas216_start_command()
1669 fas216_cmd(info, CMD_NOP | CMD_WITHDMA); in __fas216_start_command()
1672 fas216_cmd(info, CMD_FLUSHFIFO); in __fas216_start_command()
1675 fas216_writeb(info, REG_SDID, BUSID(SCpnt->device->id)); in __fas216_start_command()
1676 fas216_writeb(info, REG_STIM, info->ifcfg.select_timeout); in __fas216_start_command()
1679 fas216_set_sync(info, SCpnt->device->id); in __fas216_start_command()
1681 tot_msglen = msgqueue_msglength(&info->scsi.msgs); in __fas216_start_command()
1689 info->host->host_no, '0' + SCpnt->device->id); in __fas216_start_command()
1690 while ((msg = msgqueue_getmsg(&info->scsi.msgs, msgnr++)) != NULL) { in __fas216_start_command()
1707 info->scsi.phase = PHASE_SELSTEPS; in __fas216_start_command()
1710 while ((msg = msgqueue_getmsg(&info->scsi.msgs, msgnr++)) != NULL) { in __fas216_start_command()
1712 fas216_writeb(info, REG_FF, msg->msg[i]); in __fas216_start_command()
1713 msg->fifo = tot_msglen - (fas216_readb(info, REG_CFIS) & CFIS_CF); in __fas216_start_command()
1718 fas216_writeb(info, REG_FF, SCpnt->cmnd[i]); in __fas216_start_command()
1721 fas216_cmd(info, CMD_SELECTATN); in __fas216_start_command()
1723 fas216_cmd(info, CMD_SELECTATN3); in __fas216_start_command()
1730 struct message *msg = msgqueue_getmsg(&info->scsi.msgs, 0); in __fas216_start_command()
1732 fas216_writeb(info, REG_FF, msg->msg[0]); in __fas216_start_command()
1735 fas216_cmd(info, CMD_SELECTATNSTOP); in __fas216_start_command()
1744 static int parity_test(FAS216_Info *info, int target) in parity_test() argument
1748 info->device[target].parity_check = 0; in parity_test()
1752 return info->device[target].parity_check; in parity_test()
1755 static void fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt) in fas216_start_command() argument
1762 info->scsi.phase = PHASE_SELECTION; in fas216_start_command()
1763 info->scsi.SCp = SCpnt->SCp; in fas216_start_command()
1764 info->SCpnt = SCpnt; in fas216_start_command()
1765 info->dma.transfer_type = fasdma_none; in fas216_start_command()
1767 if (parity_test(info, SCpnt->device->id)) in fas216_start_command()
1768 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0] | CNTL1_PTE); in fas216_start_command()
1770 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_start_command()
1776 info->device[SCpnt->device->id].disconnect_ok; in fas216_start_command()
1781 msgqueue_flush(&info->scsi.msgs); in fas216_start_command()
1782 msgqueue_addmsg(&info->scsi.msgs, 1, IDENTIFY(disconnect_ok, SCpnt->device->lun)); in fas216_start_command()
1788 msgqueue_addmsg(&info->scsi.msgs, 2, SIMPLE_QUEUE_TAG, SCpnt->tag); in fas216_start_command()
1792 if ((info->device[SCpnt->device->id].sync_state == neg_wait || in fas216_start_command()
1793 info->device[SCpnt->device->id].sync_state == neg_complete) && in fas216_start_command()
1796 info->device[SCpnt->device->id].sync_state = neg_inprogress; in fas216_start_command()
1797 msgqueue_addmsg(&info->scsi.msgs, 5, in fas216_start_command()
1799 1000 / info->ifcfg.clockrate, in fas216_start_command()
1800 info->ifcfg.sync_max_depth); in fas216_start_command()
1806 __fas216_start_command(info, SCpnt); in fas216_start_command()
1809 static void fas216_allocate_tag(FAS216_Info *info, struct scsi_cmnd *SCpnt) in fas216_allocate_tag() argument
1824 (u8)(SCpnt->device->lun & 0x7), info->busyluns); in fas216_allocate_tag()
1826 info->stats.removes += 1; in fas216_allocate_tag()
1831 info->stats.writes += 1; in fas216_allocate_tag()
1836 info->stats.reads += 1; in fas216_allocate_tag()
1839 info->stats.miscs += 1; in fas216_allocate_tag()
1844 static void fas216_do_bus_device_reset(FAS216_Info *info, in fas216_do_bus_device_reset() argument
1852 info->scsi.phase = PHASE_SELECTION; in fas216_do_bus_device_reset()
1853 info->scsi.SCp = SCpnt->SCp; in fas216_do_bus_device_reset()
1854 info->SCpnt = SCpnt; in fas216_do_bus_device_reset()
1855 info->dma.transfer_type = fasdma_none; in fas216_do_bus_device_reset()
1857 fas216_log(info, LOG_ERROR, "sending bus device reset"); in fas216_do_bus_device_reset()
1859 msgqueue_flush(&info->scsi.msgs); in fas216_do_bus_device_reset()
1860 msgqueue_addmsg(&info->scsi.msgs, 1, BUS_DEVICE_RESET); in fas216_do_bus_device_reset()
1863 fas216_set_stc(info, 0); in fas216_do_bus_device_reset()
1864 fas216_cmd(info, CMD_NOP | CMD_WITHDMA); in fas216_do_bus_device_reset()
1867 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_do_bus_device_reset()
1870 fas216_writeb(info, REG_SDID, BUSID(SCpnt->device->id)); in fas216_do_bus_device_reset()
1871 fas216_writeb(info, REG_STIM, info->ifcfg.select_timeout); in fas216_do_bus_device_reset()
1874 fas216_set_sync(info, SCpnt->device->id); in fas216_do_bus_device_reset()
1876 msg = msgqueue_getmsg(&info->scsi.msgs, 0); in fas216_do_bus_device_reset()
1878 fas216_writeb(info, REG_FF, BUS_DEVICE_RESET); in fas216_do_bus_device_reset()
1881 fas216_cmd(info, CMD_SELECTATNSTOP); in fas216_do_bus_device_reset()
1891 static void fas216_kick(FAS216_Info *info) in fas216_kick() argument
1899 fas216_checkmagic(info); in fas216_kick()
1905 if (info->rstSCpnt) { in fas216_kick()
1906 SCpnt = info->rstSCpnt; in fas216_kick()
1912 if (info->reqSCpnt) { in fas216_kick()
1913 SCpnt = info->reqSCpnt; in fas216_kick()
1914 info->reqSCpnt = NULL; in fas216_kick()
1918 if (info->origSCpnt) { in fas216_kick()
1919 SCpnt = info->origSCpnt; in fas216_kick()
1920 info->origSCpnt = NULL; in fas216_kick()
1926 SCpnt = queue_remove_exclude(&info->queues.issue, in fas216_kick()
1927 info->busyluns); in fas216_kick()
1937 fas216_cmd(info, CMD_ENABLESEL); in fas216_kick()
1944 fas216_cmd(info, CMD_DISABLESEL); in fas216_kick()
1946 if (info->scsi.disconnectable && info->SCpnt) { in fas216_kick()
1947 fas216_log(info, LOG_CONNECT, in fas216_kick()
1949 info->SCpnt->device->id); in fas216_kick()
1950 queue_add_cmd_tail(&info->queues.disconnected, info->SCpnt); in fas216_kick()
1951 info->scsi.disconnectable = 0; in fas216_kick()
1952 info->SCpnt = NULL; in fas216_kick()
1955 fas216_log_command(info, LOG_CONNECT | LOG_MESSAGES, SCpnt, in fas216_kick()
1960 fas216_allocate_tag(info, SCpnt); in fas216_kick()
1962 fas216_start_command(info, SCpnt); in fas216_kick()
1965 fas216_do_bus_device_reset(info, SCpnt); in fas216_kick()
1969 fas216_log(info, LOG_CONNECT, "select: data pointers [%p, %X]", in fas216_kick()
1970 info->scsi.SCp.ptr, info->scsi.SCp.this_residual); in fas216_kick()
1981 static void fas216_devicereset_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, in fas216_devicereset_done() argument
1984 fas216_log(info, LOG_ERROR, "fas216 device reset complete"); in fas216_devicereset_done()
1986 info->rstSCpnt = NULL; in fas216_devicereset_done()
1987 info->rst_dev_status = 1; in fas216_devicereset_done()
1988 wake_up(&info->eh_wait); in fas216_devicereset_done()
1999 static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, in fas216_rq_sns_done() argument
2002 fas216_log_target(info, LOG_CONNECT, SCpnt->device->id, in fas216_rq_sns_done()
2021 scsi_eh_restore_cmnd(SCpnt, &info->ses); in fas216_rq_sns_done()
2034 fas216_std_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, unsigned int result) in fas216_std_done() argument
2036 info->stats.fins += 1; in fas216_std_done()
2038 SCpnt->result = result << 16 | info->scsi.SCp.Message << 8 | in fas216_std_done()
2039 info->scsi.SCp.Status; in fas216_std_done()
2041 fas216_log_command(info, LOG_CONNECT, SCpnt, in fas216_std_done()
2073 if (info->scsi.SCp.ptr) { in fas216_std_done()
2083 SCpnt->result, info->scsi.SCp.ptr, in fas216_std_done()
2084 info->scsi.SCp.this_residual); in fas216_std_done()
2098 info->host->host_no); in fas216_std_done()
2105 scsi_eh_prep_cmnd(SCpnt, &info->ses, NULL, 0, ~0); in fas216_std_done()
2106 fas216_log_target(info, LOG_CONNECT, SCpnt->device->id, in fas216_std_done()
2119 if (info->reqSCpnt) in fas216_std_done()
2121 info->host->host_no, '0' + SCpnt->device->id); in fas216_std_done()
2122 info->reqSCpnt = SCpnt; in fas216_std_done()
2132 static void fas216_done(FAS216_Info *info, unsigned int result) in fas216_done() argument
2138 fas216_checkmagic(info); in fas216_done()
2140 if (!info->SCpnt) in fas216_done()
2143 SCpnt = info->SCpnt; in fas216_done()
2144 info->SCpnt = NULL; in fas216_done()
2145 info->scsi.phase = PHASE_IDLE; in fas216_done()
2147 if (info->scsi.aborting) { in fas216_done()
2148 fas216_log(info, 0, "uncaught abort - returning DID_ABORT"); in fas216_done()
2150 info->scsi.aborting = 0; in fas216_done()
2157 if (info->scsi.SCp.ptr && info->scsi.SCp.this_residual == 0) { in fas216_done()
2160 info->scsi.SCp.ptr, info->scsi.SCp.this_residual); in fas216_done()
2161 info->scsi.SCp.ptr = NULL; in fas216_done()
2170 info->device[SCpnt->device->id].parity_check = 0; in fas216_done()
2172 (u8)(SCpnt->device->lun & 0x7), info->busyluns); in fas216_done()
2175 fn(info, SCpnt, result); in fas216_done()
2177 if (info->scsi.irq) { in fas216_done()
2178 spin_lock_irqsave(&info->host_lock, flags); in fas216_done()
2179 if (info->scsi.phase == PHASE_IDLE) in fas216_done()
2180 fas216_kick(info); in fas216_done()
2181 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_done()
2187 info->host->host_no); in fas216_done()
2202 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_queue_command_lck() local
2205 fas216_checkmagic(info); in fas216_queue_command_lck()
2207 fas216_log_command(info, LOG_CONNECT, SCpnt, in fas216_queue_command_lck()
2216 info->stats.queues += 1; in fas216_queue_command_lck()
2219 spin_lock(&info->host_lock); in fas216_queue_command_lck()
2225 result = !queue_add_cmd_ordered(&info->queues.issue, SCpnt); in fas216_queue_command_lck()
2231 if (result == 0 && info->scsi.phase == PHASE_IDLE) in fas216_queue_command_lck()
2232 fas216_kick(info); in fas216_queue_command_lck()
2233 spin_unlock(&info->host_lock); in fas216_queue_command_lck()
2235 fas216_log_target(info, LOG_CONNECT, -1, "queue %s", in fas216_queue_command_lck()
2251 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in DEF_SCSI_QCMD() local
2253 fas216_checkmagic(info); in DEF_SCSI_QCMD()
2255 info->internal_done = 1; in DEF_SCSI_QCMD()
2269 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_noqueue_command_lck() local
2271 fas216_checkmagic(info); in fas216_noqueue_command_lck()
2277 BUG_ON(info->scsi.irq); in fas216_noqueue_command_lck()
2279 info->internal_done = 0; in fas216_noqueue_command_lck()
2288 spin_unlock_irq(info->host->host_lock); in fas216_noqueue_command_lck()
2290 while (!info->internal_done) { in fas216_noqueue_command_lck()
2299 if (fas216_readb(info, REG_STAT) & STAT_INT) { in fas216_noqueue_command_lck()
2300 spin_lock_irq(info->host->host_lock); in fas216_noqueue_command_lck()
2301 fas216_intr(info); in fas216_noqueue_command_lck()
2302 spin_unlock_irq(info->host->host_lock); in fas216_noqueue_command_lck()
2306 spin_lock_irq(info->host->host_lock); in fas216_noqueue_command_lck()
2321 FAS216_Info *info = (FAS216_Info *)data; in DEF_SCSI_QCMD() local
2323 fas216_log(info, LOG_ERROR, "error handling timed out\n"); in DEF_SCSI_QCMD()
2325 del_timer(&info->eh_timer); in DEF_SCSI_QCMD()
2327 if (info->rst_bus_status == 0) in DEF_SCSI_QCMD()
2328 info->rst_bus_status = -1; in DEF_SCSI_QCMD()
2329 if (info->rst_dev_status == 0) in DEF_SCSI_QCMD()
2330 info->rst_dev_status = -1; in DEF_SCSI_QCMD()
2332 wake_up(&info->eh_wait); in DEF_SCSI_QCMD()
2348 static enum res_find fas216_find_command(FAS216_Info *info, in fas216_find_command() argument
2353 if (queue_remove_cmd(&info->queues.issue, SCpnt)) { in fas216_find_command()
2363 } else if (queue_remove_cmd(&info->queues.disconnected, SCpnt)) { in fas216_find_command()
2372 } else if (info->SCpnt == SCpnt) { in fas216_find_command()
2375 switch (info->scsi.phase) { in fas216_find_command()
2381 if (info->scsi.disconnectable) { in fas216_find_command()
2382 info->scsi.disconnectable = 0; in fas216_find_command()
2383 info->SCpnt = NULL; in fas216_find_command()
2391 } else if (info->origSCpnt == SCpnt) { in fas216_find_command()
2398 info->origSCpnt = NULL; in fas216_find_command()
2400 (u8)(SCpnt->device->lun & 0x7), info->busyluns); in fas216_find_command()
2419 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_eh_abort() local
2422 fas216_checkmagic(info); in fas216_eh_abort()
2424 info->stats.aborts += 1; in fas216_eh_abort()
2429 fas216_dumpstate(info); in fas216_eh_abort()
2431 switch (fas216_find_command(info, SCpnt)) { in fas216_eh_abort()
2472 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_eh_device_reset() local
2476 fas216_log(info, LOG_ERROR, "device reset for target %d", target); in fas216_eh_device_reset()
2478 spin_lock_irqsave(&info->host_lock, flags); in fas216_eh_device_reset()
2487 if (info->SCpnt && !info->scsi.disconnectable && in fas216_eh_device_reset()
2488 info->SCpnt->device->id == SCpnt->device->id) in fas216_eh_device_reset()
2497 queue_remove_all_target(&info->queues.issue, target); in fas216_eh_device_reset()
2498 queue_remove_all_target(&info->queues.disconnected, target); in fas216_eh_device_reset()
2499 if (info->origSCpnt && info->origSCpnt->device->id == target) in fas216_eh_device_reset()
2500 info->origSCpnt = NULL; in fas216_eh_device_reset()
2501 if (info->reqSCpnt && info->reqSCpnt->device->id == target) in fas216_eh_device_reset()
2502 info->reqSCpnt = NULL; in fas216_eh_device_reset()
2504 clear_bit(target * 8 + i, info->busyluns); in fas216_eh_device_reset()
2512 info->rst_dev_status = 0; in fas216_eh_device_reset()
2513 info->rstSCpnt = SCpnt; in fas216_eh_device_reset()
2515 if (info->scsi.phase == PHASE_IDLE) in fas216_eh_device_reset()
2516 fas216_kick(info); in fas216_eh_device_reset()
2518 mod_timer(&info->eh_timer, jiffies + 30 * HZ); in fas216_eh_device_reset()
2519 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_eh_device_reset()
2524 wait_event(info->eh_wait, info->rst_dev_status); in fas216_eh_device_reset()
2526 del_timer_sync(&info->eh_timer); in fas216_eh_device_reset()
2527 spin_lock_irqsave(&info->host_lock, flags); in fas216_eh_device_reset()
2528 info->rstSCpnt = NULL; in fas216_eh_device_reset()
2530 if (info->rst_dev_status == 1) in fas216_eh_device_reset()
2535 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_eh_device_reset()
2537 fas216_log(info, LOG_ERROR, "device reset complete: %s\n", in fas216_eh_device_reset()
2553 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_eh_bus_reset() local
2557 fas216_checkmagic(info); in fas216_eh_bus_reset()
2558 fas216_log(info, LOG_ERROR, "resetting bus"); in fas216_eh_bus_reset()
2560 info->stats.bus_resets += 1; in fas216_eh_bus_reset()
2562 spin_lock_irqsave(&info->host_lock, flags); in fas216_eh_bus_reset()
2567 fas216_aborttransfer(info); in fas216_eh_bus_reset()
2568 fas216_writeb(info, REG_CNTL3, info->scsi.cfg[2]); in fas216_eh_bus_reset()
2573 while (fas216_readb(info, REG_STAT) & STAT_INT) in fas216_eh_bus_reset()
2574 fas216_readb(info, REG_INST); in fas216_eh_bus_reset()
2576 info->rst_bus_status = 0; in fas216_eh_bus_reset()
2583 shost_for_each_device(SDpnt, info->host) { in fas216_eh_bus_reset()
2589 queue_remove_all_target(&info->queues.issue, SDpnt->id); in fas216_eh_bus_reset()
2590 queue_remove_all_target(&info->queues.disconnected, SDpnt->id); in fas216_eh_bus_reset()
2591 if (info->origSCpnt && info->origSCpnt->device->id == SDpnt->id) in fas216_eh_bus_reset()
2592 info->origSCpnt = NULL; in fas216_eh_bus_reset()
2593 if (info->reqSCpnt && info->reqSCpnt->device->id == SDpnt->id) in fas216_eh_bus_reset()
2594 info->reqSCpnt = NULL; in fas216_eh_bus_reset()
2595 info->SCpnt = NULL; in fas216_eh_bus_reset()
2598 clear_bit(SDpnt->id * 8 + i, info->busyluns); in fas216_eh_bus_reset()
2601 info->scsi.phase = PHASE_IDLE; in fas216_eh_bus_reset()
2607 fas216_cmd(info, CMD_RESETSCSI); in fas216_eh_bus_reset()
2609 mod_timer(&info->eh_timer, jiffies + HZ); in fas216_eh_bus_reset()
2610 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_eh_bus_reset()
2615 wait_event(info->eh_wait, info->rst_bus_status); in fas216_eh_bus_reset()
2616 del_timer_sync(&info->eh_timer); in fas216_eh_bus_reset()
2618 fas216_log(info, LOG_ERROR, "bus reset complete: %s\n", in fas216_eh_bus_reset()
2619 info->rst_bus_status == 1 ? "success" : "failed"); in fas216_eh_bus_reset()
2621 return info->rst_bus_status == 1 ? SUCCESS : FAILED; in fas216_eh_bus_reset()
2630 static void fas216_init_chip(FAS216_Info *info) in fas216_init_chip() argument
2632 unsigned int clock = ((info->ifcfg.clockrate - 1) / 5 + 1) & 7; in fas216_init_chip()
2633 fas216_writeb(info, REG_CLKF, clock); in fas216_init_chip()
2634 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_init_chip()
2635 fas216_writeb(info, REG_CNTL2, info->scsi.cfg[1]); in fas216_init_chip()
2636 fas216_writeb(info, REG_CNTL3, info->scsi.cfg[2]); in fas216_init_chip()
2637 fas216_writeb(info, REG_STIM, info->ifcfg.select_timeout); in fas216_init_chip()
2638 fas216_writeb(info, REG_SOF, 0); in fas216_init_chip()
2639 fas216_writeb(info, REG_STP, info->scsi.async_stp); in fas216_init_chip()
2640 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_init_chip()
2653 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_eh_host_reset() local
2655 spin_lock_irq(info->host->host_lock); in fas216_eh_host_reset()
2657 fas216_checkmagic(info); in fas216_eh_host_reset()
2659 fas216_log(info, LOG_ERROR, "resetting host"); in fas216_eh_host_reset()
2664 fas216_cmd(info, CMD_RESETCHIP); in fas216_eh_host_reset()
2672 spin_unlock_irq(info->host->host_lock); in fas216_eh_host_reset()
2674 spin_lock_irq(info->host->host_lock); in fas216_eh_host_reset()
2679 fas216_cmd(info, CMD_NOP); in fas216_eh_host_reset()
2681 fas216_init_chip(info); in fas216_eh_host_reset()
2683 spin_unlock_irq(info->host->host_lock); in fas216_eh_host_reset()
2705 static int fas216_detect_type(FAS216_Info *info) in fas216_detect_type() argument
2712 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_detect_type()
2714 fas216_writeb(info, REG_CMD, CMD_NOP); in fas216_detect_type()
2719 fas216_writeb(info, REG_CNTL3, 0); in fas216_detect_type()
2720 fas216_writeb(info, REG_CNTL2, CNTL2_S2FE); in fas216_detect_type()
2727 if ((fas216_readb(info, REG_CNTL2) & (~0xe0)) != CNTL2_S2FE) in fas216_detect_type()
2733 fas216_writeb(info, REG_CNTL2, 0); in fas216_detect_type()
2734 fas216_writeb(info, REG_CNTL3, 0); in fas216_detect_type()
2735 fas216_writeb(info, REG_CNTL3, 5); in fas216_detect_type()
2741 if (fas216_readb(info, REG_CNTL3) != 5) in fas216_detect_type()
2747 fas216_writeb(info, REG_CNTL3, 0); in fas216_detect_type()
2749 fas216_writeb(info, REG_CNTL3, CNTL3_ADIDCHK); in fas216_detect_type()
2750 fas216_writeb(info, REG_CNTL3, 0); in fas216_detect_type()
2752 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_detect_type()
2754 fas216_writeb(info, REG_CMD, CMD_WITHDMA | CMD_NOP); in fas216_detect_type()
2756 fas216_writeb(info, REG_CNTL2, CNTL2_ENF); in fas216_detect_type()
2757 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_detect_type()
2759 fas216_writeb(info, REG_CMD, CMD_NOP); in fas216_detect_type()
2761 rev = fas216_readb(info, REG_ID); in fas216_detect_type()
2793 static void fas216_reset_state(FAS216_Info *info) in fas216_reset_state() argument
2797 fas216_checkmagic(info); in fas216_reset_state()
2799 fas216_bus_reset(info); in fas216_reset_state()
2804 memset(info->busyluns, 0, sizeof(info->busyluns)); in fas216_reset_state()
2805 info->scsi.disconnectable = 0; in fas216_reset_state()
2806 info->scsi.aborting = 0; in fas216_reset_state()
2809 info->device[i].parity_enabled = 0; in fas216_reset_state()
2810 info->device[i].parity_check = 1; in fas216_reset_state()
2816 while (queue_remove(&info->queues.disconnected) != NULL); in fas216_reset_state()
2821 info->SCpnt = NULL; in fas216_reset_state()
2822 info->reqSCpnt = NULL; in fas216_reset_state()
2823 info->rstSCpnt = NULL; in fas216_reset_state()
2824 info->origSCpnt = NULL; in fas216_reset_state()
2836 FAS216_Info *info = (FAS216_Info *)host->hostdata; in fas216_init() local
2838 info->magic_start = MAGIC; in fas216_init()
2839 info->magic_end = MAGIC; in fas216_init()
2840 info->host = host; in fas216_init()
2841 info->scsi.cfg[0] = host->this_id | CNTL1_PERE; in fas216_init()
2842 info->scsi.cfg[1] = CNTL2_ENF | CNTL2_S2FE; in fas216_init()
2843 info->scsi.cfg[2] = info->ifcfg.cntl3 | in fas216_init()
2845 info->scsi.async_stp = fas216_syncperiod(info, info->ifcfg.asyncperiod); in fas216_init()
2847 info->rst_dev_status = -1; in fas216_init()
2848 info->rst_bus_status = -1; in fas216_init()
2849 init_waitqueue_head(&info->eh_wait); in fas216_init()
2850 init_timer(&info->eh_timer); in fas216_init()
2851 info->eh_timer.data = (unsigned long)info; in fas216_init()
2852 info->eh_timer.function = fas216_eh_timer; in fas216_init()
2854 spin_lock_init(&info->host_lock); in fas216_init()
2856 memset(&info->stats, 0, sizeof(info->stats)); in fas216_init()
2858 msgqueue_initialise(&info->scsi.msgs); in fas216_init()
2860 if (!queue_initialise(&info->queues.issue)) in fas216_init()
2863 if (!queue_initialise(&info->queues.disconnected)) { in fas216_init()
2864 queue_free(&info->queues.issue); in fas216_init()
2881 FAS216_Info *info = (FAS216_Info *)host->hostdata; in fas216_add() local
2884 if (info->ifcfg.clockrate <= 10 || info->ifcfg.clockrate > 40) { in fas216_add()
2886 info->ifcfg.clockrate); in fas216_add()
2890 fas216_reset_state(info); in fas216_add()
2891 type = fas216_detect_type(info); in fas216_add()
2892 info->scsi.type = chip_types[type]; in fas216_add()
2899 fas216_init_chip(info); in fas216_add()
2906 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0] | CNTL1_DISR); in fas216_add()
2907 fas216_writeb(info, REG_CMD, CMD_RESETSCSI); in fas216_add()
2912 spin_unlock_irq(info->host->host_lock); in fas216_add()
2914 spin_lock_irq(info->host->host_lock); in fas216_add()
2916 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_add()
2917 fas216_readb(info, REG_INST); in fas216_add()
2919 fas216_checkmagic(info); in fas216_add()
2923 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_add()
2932 FAS216_Info *info = (FAS216_Info *)host->hostdata; in fas216_remove() local
2934 fas216_checkmagic(info); in fas216_remove()
2937 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_remove()
2949 FAS216_Info *info = (FAS216_Info *)host->hostdata; in fas216_release() local
2951 queue_free(&info->queues.disconnected); in fas216_release()
2952 queue_free(&info->queues.issue); in fas216_release()
2955 void fas216_print_host(FAS216_Info *info, struct seq_file *m) in fas216_print_host() argument
2963 info->scsi.type, info->scsi.io_base, in fas216_print_host()
2964 info->scsi.irq, info->scsi.dma); in fas216_print_host()
2967 void fas216_print_stats(FAS216_Info *info, struct seq_file *m) in fas216_print_stats() argument
2981 info->stats.queues, info->stats.removes, in fas216_print_stats()
2982 info->stats.fins, info->stats.reads, in fas216_print_stats()
2983 info->stats.writes, info->stats.miscs, in fas216_print_stats()
2984 info->stats.disconnects, info->stats.aborts, in fas216_print_stats()
2985 info->stats.bus_resets, info->stats.host_resets); in fas216_print_stats()
2988 void fas216_print_devices(FAS216_Info *info, struct seq_file *m) in fas216_print_devices() argument
2995 shost_for_each_device(scd, info->host) { in fas216_print_devices()
2996 dev = &info->device[scd->id]; in fas216_print_devices()