Lines Matching full:info
15 * FAS216_Info info;
140 static inline unsigned char fas216_readb(FAS216_Info *info, unsigned int reg) in fas216_readb() argument
142 unsigned int off = reg << info->scsi.io_shift; in fas216_readb()
143 return readb(info->scsi.io_base + off); in fas216_readb()
146 static inline void fas216_writeb(FAS216_Info *info, unsigned int reg, unsigned int val) in fas216_writeb() argument
148 unsigned int off = reg << info->scsi.io_shift; in fas216_writeb()
149 writeb(val, info->scsi.io_base + off); in fas216_writeb()
152 static void fas216_dumpstate(FAS216_Info *info) in fas216_dumpstate() argument
156 is = fas216_readb(info, REG_IS); in fas216_dumpstate()
157 stat = fas216_readb(info, REG_STAT); in fas216_dumpstate()
158 inst = fas216_readb(info, REG_INST); in fas216_dumpstate()
162 fas216_readb(info, REG_CTCL), in fas216_dumpstate()
163 fas216_readb(info, REG_CTCM), in fas216_dumpstate()
164 fas216_readb(info, REG_CMD), stat, inst, is, in fas216_dumpstate()
165 fas216_readb(info, REG_CFIS)); in fas216_dumpstate()
167 fas216_readb(info, REG_CNTL1), in fas216_dumpstate()
168 fas216_readb(info, REG_CNTL2), in fas216_dumpstate()
169 fas216_readb(info, REG_CNTL3), in fas216_dumpstate()
170 fas216_readb(info, REG_CTCH)); in fas216_dumpstate()
181 static void fas216_dumpinfo(FAS216_Info *info) in fas216_dumpinfo() argument
191 info->magic_start, info->host, info->SCpnt, in fas216_dumpinfo()
192 info->origSCpnt); in fas216_dumpinfo()
194 info->scsi.io_shift, info->scsi.irq, in fas216_dumpinfo()
195 info->scsi.cfg[0], info->scsi.cfg[1], info->scsi.cfg[2], in fas216_dumpinfo()
196 info->scsi.cfg[3]); in fas216_dumpinfo()
198 info->scsi.type, info->scsi.phase); in fas216_dumpinfo()
199 print_SCp(&info->scsi.SCp, " SCp={ ", " }\n"); in fas216_dumpinfo()
201 info->scsi.async_stp, in fas216_dumpinfo()
202 info->scsi.disconnectable, info->scsi.aborting); in fas216_dumpinfo()
205 info->stats.queues, info->stats.removes, info->stats.fins, in fas216_dumpinfo()
206 info->stats.reads, info->stats.writes, info->stats.miscs, in fas216_dumpinfo()
207 info->stats.disconnects, info->stats.aborts, info->stats.bus_resets, in fas216_dumpinfo()
208 info->stats.host_resets); in fas216_dumpinfo()
210 info->ifcfg.clockrate, info->ifcfg.select_timeout, in fas216_dumpinfo()
211 info->ifcfg.asyncperiod, info->ifcfg.sync_max_depth); in fas216_dumpinfo()
214 i, info->busyluns[i], i, in fas216_dumpinfo()
215 info->device[i].disconnect_ok, info->device[i].stp, in fas216_dumpinfo()
216 info->device[i].sof, info->device[i].sync_state); in fas216_dumpinfo()
219 info->dma.transfer_type, info->dma.setup, in fas216_dumpinfo()
220 info->dma.pseudo, info->dma.stop); in fas216_dumpinfo()
222 info->internal_done, info->magic_end); in fas216_dumpinfo()
225 static void __fas216_checkmagic(FAS216_Info *info, const char *func) in __fas216_checkmagic() argument
228 if (info->magic_start != MAGIC) { in __fas216_checkmagic()
232 if (info->magic_end != MAGIC) { in __fas216_checkmagic()
237 fas216_dumpinfo(info); in __fas216_checkmagic()
241 #define fas216_checkmagic(info) __fas216_checkmagic((info), __func__) argument
243 #define fas216_checkmagic(info) argument
258 static const char *fas216_drv_phase(FAS216_Info *info) in fas216_drv_phase() argument
274 if (info->scsi.phase < ARRAY_SIZE(phases) && in fas216_drv_phase()
275 phases[info->scsi.phase]) in fas216_drv_phase()
276 return phases[info->scsi.phase]; in fas216_drv_phase()
280 static char fas216_target(FAS216_Info *info) in fas216_target() argument
282 if (info->SCpnt) in fas216_target()
283 return '0' + info->SCpnt->device->id; in fas216_target()
289 fas216_do_log(FAS216_Info *info, char target, char *fmt, va_list ap) in fas216_do_log() argument
294 printk("scsi%d.%c: %s", info->host->host_no, target, buf); in fas216_do_log()
297 static void fas216_log_command(FAS216_Info *info, int level, in fas216_log_command() argument
306 fas216_do_log(info, '0' + SCpnt->device->id, fmt, args); in fas216_log_command()
313 fas216_log_target(FAS216_Info *info, int level, int target, char *fmt, ...) in fas216_log_target() argument
326 fas216_do_log(info, target, fmt, args); in fas216_log_target()
332 static void fas216_log(FAS216_Info *info, int level, char *fmt, ...) in fas216_log() argument
340 fas216_do_log(info, fas216_target(info), fmt, args); in fas216_log()
364 static void fas216_cmd(FAS216_Info *info, unsigned int command) in fas216_cmd() argument
371 fas216_writeb(info, REG_CMD, command); in fas216_cmd()
401 static void fas216_done(FAS216_Info *info, unsigned int result);
405 * @info: interface to search
411 fas216_get_last_msg(FAS216_Info *info, int pos) in fas216_get_last_msg() argument
417 while ((msg = msgqueue_getmsg(&info->scsi.msgs, msgnr++)) != NULL) { in fas216_get_last_msg()
429 fas216_log(info, LOG_MESSAGES, in fas216_get_last_msg()
437 * @info: state structure for interface connected to device
443 static int fas216_syncperiod(FAS216_Info *info, int ns) in fas216_syncperiod() argument
445 int value = (info->ifcfg.clockrate * ns) / 1000; in fas216_syncperiod()
447 fas216_checkmagic(info); in fas216_syncperiod()
459 * @info: state structure for interface connected to device
467 static void fas216_set_sync(FAS216_Info *info, int target) in fas216_set_sync() argument
471 fas216_writeb(info, REG_SOF, info->device[target].sof); in fas216_set_sync()
472 fas216_writeb(info, REG_STP, info->device[target].stp); in fas216_set_sync()
474 cntl3 = info->scsi.cfg[2]; in fas216_set_sync()
475 if (info->device[target].period >= (200 / 4)) in fas216_set_sync()
478 fas216_writeb(info, REG_CNTL3, cntl3); in fas216_set_sync()
507 * @info: state structure for interface
512 static void fas216_handlesync(FAS216_Info *info, char *msg) in fas216_handlesync() argument
514 struct fas216_device *dev = &info->device[info->SCpnt->device->id]; in fas216_handlesync()
553 fas216_cmd(info, CMD_SETATN); in fas216_handlesync()
554 if (msg[4] > info->ifcfg.sync_max_depth) in fas216_handlesync()
555 msg[4] = info->ifcfg.sync_max_depth; in fas216_handlesync()
556 if (msg[3] < 1000 / info->ifcfg.clockrate) in fas216_handlesync()
557 msg[3] = 1000 / info->ifcfg.clockrate; in fas216_handlesync()
559 msgqueue_flush(&info->scsi.msgs); in fas216_handlesync()
560 msgqueue_addmsg(&info->scsi.msgs, 5, in fas216_handlesync()
563 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_handlesync()
580 if (msg[4] <= info->ifcfg.sync_max_depth && in fas216_handlesync()
581 msg[3] >= 1000 / info->ifcfg.clockrate) { in fas216_handlesync()
596 dev->stp = fas216_syncperiod(info, msg[3] * 4); in fas216_handlesync()
597 fas216_set_sync(info, info->SCpnt->device->id); in fas216_handlesync()
601 fas216_cmd(info, CMD_SETATN); in fas216_handlesync()
602 msgqueue_flush(&info->scsi.msgs); in fas216_handlesync()
603 msgqueue_addmsg(&info->scsi.msgs, 1, MESSAGE_REJECT); in fas216_handlesync()
604 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_handlesync()
608 dev->period = info->ifcfg.asyncperiod / 4; in fas216_handlesync()
610 dev->stp = info->scsi.async_stp; in fas216_handlesync()
611 fas216_set_sync(info, info->SCpnt->device->id); in fas216_handlesync()
621 * @info: interface's local pointer to update
626 static void fas216_updateptrs(FAS216_Info *info, int bytes_transferred) in fas216_updateptrs() argument
628 struct scsi_pointer *SCp = &info->scsi.SCp; in fas216_updateptrs()
630 fas216_checkmagic(info); in fas216_updateptrs()
646 info->host->host_no, '0' + info->SCpnt->device->id); in fas216_updateptrs()
660 * @info: interface to transfer data to/from
666 static void fas216_pio(FAS216_Info *info, fasdmadir_t direction) in fas216_pio() argument
668 struct scsi_pointer *SCp = &info->scsi.SCp; in fas216_pio()
670 fas216_checkmagic(info); in fas216_pio()
673 fas216_writeb(info, REG_FF, get_next_SCp_byte(SCp)); in fas216_pio()
675 put_next_SCp_byte(SCp, fas216_readb(info, REG_FF)); in fas216_pio()
681 static void fas216_set_stc(FAS216_Info *info, unsigned int length) in fas216_set_stc() argument
683 fas216_writeb(info, REG_STCL, length); in fas216_set_stc()
684 fas216_writeb(info, REG_STCM, length >> 8); in fas216_set_stc()
685 fas216_writeb(info, REG_STCH, length >> 16); in fas216_set_stc()
688 static unsigned int fas216_get_ctc(FAS216_Info *info) in fas216_get_ctc() argument
690 return fas216_readb(info, REG_CTCL) + in fas216_get_ctc()
691 (fas216_readb(info, REG_CTCM) << 8) + in fas216_get_ctc()
692 (fas216_readb(info, REG_CTCH) << 16); in fas216_get_ctc()
697 * @info: interface to clean up
702 static void fas216_cleanuptransfer(FAS216_Info *info) in fas216_cleanuptransfer() argument
705 fasdmatype_t dmatype = info->dma.transfer_type; in fas216_cleanuptransfer()
707 info->dma.transfer_type = fasdma_none; in fas216_cleanuptransfer()
716 total = info->scsi.SCp.phase; in fas216_cleanuptransfer()
718 total = info->scsi.SCp.this_residual; in fas216_cleanuptransfer()
720 residual = fas216_get_ctc(info); in fas216_cleanuptransfer()
722 fifo = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_cleanuptransfer()
724 fas216_log(info, LOG_BUFFER, "cleaning up from previous " in fas216_cleanuptransfer()
734 if (info->scsi.phase == PHASE_DATAOUT) in fas216_cleanuptransfer()
737 fas216_updateptrs(info, total - residual); in fas216_cleanuptransfer()
742 * @info: interface from which device disconnected from
746 static void fas216_transfer(FAS216_Info *info) in fas216_transfer() argument
751 fas216_log(info, LOG_BUFFER, in fas216_transfer()
753 info->scsi.SCp.ptr, info->scsi.SCp.this_residual, in fas216_transfer()
754 info->scsi.SCp.phase); in fas216_transfer()
756 if (!info->scsi.SCp.ptr) { in fas216_transfer()
757 fas216_log(info, LOG_ERROR, "null buffer passed to " in fas216_transfer()
759 print_SCp(&info->scsi.SCp, "SCp: ", "\n"); in fas216_transfer()
760 print_SCp(&info->SCpnt->SCp, "Cmnd SCp: ", "\n"); in fas216_transfer()
769 if (info->device[info->SCpnt->device->id].sof) in fas216_transfer()
774 if (info->scsi.phase == PHASE_DATAOUT) in fas216_transfer()
779 if (info->dma.setup) in fas216_transfer()
780 dmatype = info->dma.setup(info->host, &info->scsi.SCp, in fas216_transfer()
782 info->dma.transfer_type = dmatype; in fas216_transfer()
785 fas216_set_stc(info, info->scsi.SCp.phase); in fas216_transfer()
787 fas216_set_stc(info, info->scsi.SCp.this_residual); in fas216_transfer()
791 fas216_log(info, LOG_BUFFER, "PIO transfer"); in fas216_transfer()
792 fas216_writeb(info, REG_SOF, 0); in fas216_transfer()
793 fas216_writeb(info, REG_STP, info->scsi.async_stp); in fas216_transfer()
794 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_transfer()
795 fas216_pio(info, direction); in fas216_transfer()
799 fas216_log(info, LOG_BUFFER, "pseudo transfer"); in fas216_transfer()
800 fas216_cmd(info, CMD_TRANSFERINFO | CMD_WITHDMA); in fas216_transfer()
801 info->dma.pseudo(info->host, &info->scsi.SCp, in fas216_transfer()
802 direction, info->SCpnt->transfersize); in fas216_transfer()
806 fas216_log(info, LOG_BUFFER, "block dma transfer"); in fas216_transfer()
807 fas216_cmd(info, CMD_TRANSFERINFO | CMD_WITHDMA); in fas216_transfer()
811 fas216_log(info, LOG_BUFFER, "total dma transfer"); in fas216_transfer()
812 fas216_cmd(info, CMD_TRANSFERINFO | CMD_WITHDMA); in fas216_transfer()
816 fas216_log(info, LOG_BUFFER | LOG_ERROR, in fas216_transfer()
824 * @info: interface from which device disconnected from
828 static void fas216_stoptransfer(FAS216_Info *info) in fas216_stoptransfer() argument
830 fas216_checkmagic(info); in fas216_stoptransfer()
832 if (info->dma.transfer_type == fasdma_real_all || in fas216_stoptransfer()
833 info->dma.transfer_type == fasdma_real_block) in fas216_stoptransfer()
834 info->dma.stop(info->host, &info->scsi.SCp); in fas216_stoptransfer()
836 fas216_cleanuptransfer(info); in fas216_stoptransfer()
838 if (info->scsi.phase == PHASE_DATAIN) { in fas216_stoptransfer()
846 fifo = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_stoptransfer()
847 while (fifo && info->scsi.SCp.ptr) { in fas216_stoptransfer()
848 *info->scsi.SCp.ptr = fas216_readb(info, REG_FF); in fas216_stoptransfer()
849 fas216_updateptrs(info, 1); in fas216_stoptransfer()
857 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_stoptransfer()
861 static void fas216_aborttransfer(FAS216_Info *info) in fas216_aborttransfer() argument
863 fas216_checkmagic(info); in fas216_aborttransfer()
865 if (info->dma.transfer_type == fasdma_real_all || in fas216_aborttransfer()
866 info->dma.transfer_type == fasdma_real_block) in fas216_aborttransfer()
867 info->dma.stop(info->host, &info->scsi.SCp); in fas216_aborttransfer()
869 info->dma.transfer_type = fasdma_none; in fas216_aborttransfer()
870 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_aborttransfer()
873 static void fas216_kick(FAS216_Info *info);
877 * @info: interface from which device disconnected from
881 static void fas216_disconnect_intr(FAS216_Info *info) in fas216_disconnect_intr() argument
885 fas216_checkmagic(info); in fas216_disconnect_intr()
887 fas216_log(info, LOG_CONNECT, "disconnect phase=%02x", in fas216_disconnect_intr()
888 info->scsi.phase); in fas216_disconnect_intr()
890 msgqueue_flush(&info->scsi.msgs); in fas216_disconnect_intr()
892 switch (info->scsi.phase) { in fas216_disconnect_intr()
895 fas216_done(info, DID_NO_CONNECT); in fas216_disconnect_intr()
899 info->scsi.disconnectable = 1; in fas216_disconnect_intr()
900 info->scsi.phase = PHASE_IDLE; in fas216_disconnect_intr()
901 info->stats.disconnects += 1; in fas216_disconnect_intr()
902 spin_lock_irqsave(&info->host_lock, flags); in fas216_disconnect_intr()
903 if (info->scsi.phase == PHASE_IDLE) in fas216_disconnect_intr()
904 fas216_kick(info); in fas216_disconnect_intr()
905 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_disconnect_intr()
909 fas216_done(info, DID_OK); in fas216_disconnect_intr()
913 if (fas216_get_last_msg(info, info->scsi.msgin_fifo) == ABORT) { in fas216_disconnect_intr()
914 info->scsi.aborting = 0; in fas216_disconnect_intr()
915 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()
932 * @info: interface which was reselected
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 scsi_cmd_to_rq(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()
1221 * @info: interface which caused function done interrupt
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()
1282 * @info: interface which caused bus service
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()
1306 * @info: interface which caused bus service
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()
1342 * @info: interface which caused bus service interrupt
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()
1383 fas216_cmd(info, CMD_NOP); in fas216_busservice_intr()
1389 switch (STATE(stat & STAT_BUSMASK, info->scsi.phase)) { in fas216_busservice_intr()
1394 info->scsi.phase = PHASE_DATAIN; in fas216_busservice_intr()
1395 fas216_transfer(info); in fas216_busservice_intr()
1400 fas216_cleanuptransfer(info); in fas216_busservice_intr()
1401 fas216_transfer(info); in fas216_busservice_intr()
1408 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_busservice_intr()
1409 info->scsi.phase = PHASE_DATAOUT; in fas216_busservice_intr()
1410 fas216_transfer(info); in fas216_busservice_intr()
1415 fas216_stoptransfer(info); in fas216_busservice_intr()
1422 fas216_cmd(info, CMD_INITCMDCOMPLETE); in fas216_busservice_intr()
1423 info->scsi.phase = PHASE_STATUS; in fas216_busservice_intr()
1428 fas216_stoptransfer(info); in fas216_busservice_intr()
1434 info->scsi.msgin_fifo = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_busservice_intr()
1435 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_busservice_intr()
1436 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_busservice_intr()
1437 info->scsi.phase = PHASE_MSGIN; in fas216_busservice_intr()
1441 info->scsi.msgin_fifo = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_busservice_intr()
1442 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_busservice_intr()
1447 fas216_send_command(info); in fas216_busservice_intr()
1448 info->scsi.phase = PHASE_COMMAND; in fas216_busservice_intr()
1456 fas216_send_messageout(info, 1); in fas216_busservice_intr()
1470 if (info->device[info->SCpnt->device->id].parity_check) { in fas216_busservice_intr()
1475 info->device[info->SCpnt->device->id].parity_check = 0; in fas216_busservice_intr()
1476 info->device[info->SCpnt->device->id].parity_enabled = 1; in fas216_busservice_intr()
1477 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_busservice_intr()
1480 if (msgqueue_msglength(&info->scsi.msgs) > 1) in fas216_busservice_intr()
1481 fas216_cmd(info, CMD_SETATN); in fas216_busservice_intr()
1488 fas216_send_messageout(info, 0); in fas216_busservice_intr()
1504 info->host->host_no, fas216_target(info)); in fas216_busservice_intr()
1505 fas216_cmd(info, CMD_SETATN); in fas216_busservice_intr()
1506 fas216_set_stc(info, 15); in fas216_busservice_intr()
1507 fas216_cmd(info, CMD_PADBYTES | CMD_WITHDMA); in fas216_busservice_intr()
1508 msgqueue_flush(&info->scsi.msgs); in fas216_busservice_intr()
1509 msgqueue_addmsg(&info->scsi.msgs, 1, INITIATOR_ERROR); in fas216_busservice_intr()
1510 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_busservice_intr()
1514 if (info->scsi.phase == PHASE_MSGIN_DISCONNECT) { in fas216_busservice_intr()
1516 info->host->host_no, fas216_target(info), in fas216_busservice_intr()
1518 msgqueue_flush(&info->scsi.msgs); in fas216_busservice_intr()
1519 fas216_cmd(info, CMD_SETATN); in fas216_busservice_intr()
1520 msgqueue_addmsg(&info->scsi.msgs, 1, INITIATOR_ERROR); in fas216_busservice_intr()
1521 info->scsi.phase = PHASE_MSGOUT_EXPECT; in fas216_busservice_intr()
1522 info->scsi.aborting = 1; in fas216_busservice_intr()
1523 fas216_cmd(info, CMD_TRANSFERINFO); in fas216_busservice_intr()
1527 info->host->host_no, fas216_target(info), in fas216_busservice_intr()
1529 fas216_drv_phase(info)); in fas216_busservice_intr()
1534 fas216_log(info, 0, "bus service at step %d?", is & IS_BITS); in fas216_busservice_intr()
1535 fas216_dumpstate(info); in fas216_busservice_intr()
1538 fas216_done(info, DID_ERROR); in fas216_busservice_intr()
1543 * @info: interface which caused function done interrupt
1549 static void fas216_funcdone_intr(FAS216_Info *info, unsigned int stat, unsigned int is) in fas216_funcdone_intr() argument
1551 unsigned int fifo_len = fas216_readb(info, REG_CFIS) & CFIS_CF; in fas216_funcdone_intr()
1553 fas216_checkmagic(info); in fas216_funcdone_intr()
1555 fas216_log(info, LOG_FUNCTIONDONE, in fas216_funcdone_intr()
1557 stat, is, info->scsi.phase); in fas216_funcdone_intr()
1559 switch (info->scsi.phase) { in fas216_funcdone_intr()
1562 fas216_log(info, 0, "odd number of bytes in FIFO: %d", fifo_len); in fas216_funcdone_intr()
1567 info->scsi.SCp.Status = fas216_readb(info, REG_FF); in fas216_funcdone_intr()
1568 info->scsi.SCp.Message = fas216_readb(info, REG_FF); in fas216_funcdone_intr()
1569 info->scsi.phase = PHASE_DONE; in fas216_funcdone_intr()
1570 fas216_cmd(info, CMD_MSGACCEPTED); in fas216_funcdone_intr()
1580 info->scsi.msgin_fifo = fifo_len; in fas216_funcdone_intr()
1581 fas216_message(info); in fas216_funcdone_intr()
1587 fas216_log(info, 0, "internal phase %s for function done?" in fas216_funcdone_intr()
1589 fas216_target(info), fas216_drv_phase(info)); in fas216_funcdone_intr()
1593 static void fas216_bus_reset(FAS216_Info *info) in fas216_bus_reset() argument
1598 msgqueue_flush(&info->scsi.msgs); in fas216_bus_reset()
1603 if (info->ifcfg.capabilities & (FASCAP_DMA|FASCAP_PSEUDODMA)) in fas216_bus_reset()
1607 info->scsi.phase = PHASE_IDLE; in fas216_bus_reset()
1608 info->SCpnt = NULL; /* bug! */ in fas216_bus_reset()
1609 memset(&info->scsi.SCp, 0, sizeof(info->scsi.SCp)); in fas216_bus_reset()
1612 info->device[i].disconnect_ok = info->ifcfg.disconnect_ok; in fas216_bus_reset()
1613 info->device[i].sync_state = sync_state; in fas216_bus_reset()
1614 info->device[i].period = info->ifcfg.asyncperiod / 4; in fas216_bus_reset()
1615 info->device[i].stp = info->scsi.async_stp; in fas216_bus_reset()
1616 info->device[i].sof = 0; in fas216_bus_reset()
1617 info->device[i].wide_xfer = 0; in fas216_bus_reset()
1620 info->rst_bus_status = 1; in fas216_bus_reset()
1621 wake_up(&info->eh_wait); in fas216_bus_reset()
1626 * @info: interface to service
1630 irqreturn_t fas216_intr(FAS216_Info *info) in fas216_intr() argument
1635 fas216_checkmagic(info); in fas216_intr()
1637 stat = fas216_readb(info, REG_STAT); in fas216_intr()
1638 is = fas216_readb(info, REG_IS); in fas216_intr()
1639 inst = fas216_readb(info, REG_INST); in fas216_intr()
1641 add_debug_list(stat, is, inst, info->scsi.phase); in fas216_intr()
1645 fas216_log(info, 0, "bus reset detected"); in fas216_intr()
1646 fas216_bus_reset(info); in fas216_intr()
1647 scsi_report_bus_reset(info->host, 0); in fas216_intr()
1649 fas216_log(info, LOG_ERROR, "illegal command given\n"); in fas216_intr()
1650 fas216_dumpstate(info); in fas216_intr()
1653 fas216_disconnect_intr(info); in fas216_intr()
1655 fas216_reselected_intr(info); in fas216_intr()
1657 fas216_busservice_intr(info, stat, is); in fas216_intr()
1659 fas216_funcdone_intr(info, stat, is); in fas216_intr()
1661 fas216_log(info, 0, "unknown interrupt received:" in fas216_intr()
1663 fas216_drv_phase(info), inst, is, stat); in fas216_intr()
1669 static void __fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt) in __fas216_start_command() argument
1674 fas216_set_stc(info, 0); in __fas216_start_command()
1675 fas216_cmd(info, CMD_NOP | CMD_WITHDMA); in __fas216_start_command()
1678 fas216_cmd(info, CMD_FLUSHFIFO); in __fas216_start_command()
1681 fas216_writeb(info, REG_SDID, BUSID(SCpnt->device->id)); in __fas216_start_command()
1682 fas216_writeb(info, REG_STIM, info->ifcfg.select_timeout); in __fas216_start_command()
1685 fas216_set_sync(info, SCpnt->device->id); in __fas216_start_command()
1687 tot_msglen = msgqueue_msglength(&info->scsi.msgs); in __fas216_start_command()
1695 info->host->host_no, '0' + SCpnt->device->id); in __fas216_start_command()
1696 while ((msg = msgqueue_getmsg(&info->scsi.msgs, msgnr++)) != NULL) { in __fas216_start_command()
1713 info->scsi.phase = PHASE_SELSTEPS; in __fas216_start_command()
1716 while ((msg = msgqueue_getmsg(&info->scsi.msgs, msgnr++)) != NULL) { in __fas216_start_command()
1718 fas216_writeb(info, REG_FF, msg->msg[i]); in __fas216_start_command()
1719 msg->fifo = tot_msglen - (fas216_readb(info, REG_CFIS) & CFIS_CF); in __fas216_start_command()
1724 fas216_writeb(info, REG_FF, SCpnt->cmnd[i]); in __fas216_start_command()
1727 fas216_cmd(info, CMD_SELECTATN); in __fas216_start_command()
1729 fas216_cmd(info, CMD_SELECTATN3); in __fas216_start_command()
1736 struct message *msg = msgqueue_getmsg(&info->scsi.msgs, 0); in __fas216_start_command()
1738 fas216_writeb(info, REG_FF, msg->msg[0]); in __fas216_start_command()
1741 fas216_cmd(info, CMD_SELECTATNSTOP); in __fas216_start_command()
1750 static int parity_test(FAS216_Info *info, int target) in parity_test() argument
1754 info->device[target].parity_check = 0; in parity_test()
1758 return info->device[target].parity_check; in parity_test()
1761 static void fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt) in fas216_start_command() argument
1768 info->scsi.phase = PHASE_SELECTION; in fas216_start_command()
1769 info->scsi.SCp = SCpnt->SCp; in fas216_start_command()
1770 info->SCpnt = SCpnt; in fas216_start_command()
1771 info->dma.transfer_type = fasdma_none; in fas216_start_command()
1773 if (parity_test(info, SCpnt->device->id)) in fas216_start_command()
1774 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0] | CNTL1_PTE); in fas216_start_command()
1776 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_start_command()
1782 info->device[SCpnt->device->id].disconnect_ok; in fas216_start_command()
1787 msgqueue_flush(&info->scsi.msgs); in fas216_start_command()
1788 msgqueue_addmsg(&info->scsi.msgs, 1, IDENTIFY(disconnect_ok, SCpnt->device->lun)); in fas216_start_command()
1794 msgqueue_addmsg(&info->scsi.msgs, 2, SIMPLE_QUEUE_TAG, in fas216_start_command()
1799 if ((info->device[SCpnt->device->id].sync_state == neg_wait || in fas216_start_command()
1800 info->device[SCpnt->device->id].sync_state == neg_complete) && in fas216_start_command()
1803 info->device[SCpnt->device->id].sync_state = neg_inprogress; in fas216_start_command()
1804 msgqueue_addmsg(&info->scsi.msgs, 5, in fas216_start_command()
1806 1000 / info->ifcfg.clockrate, in fas216_start_command()
1807 info->ifcfg.sync_max_depth); in fas216_start_command()
1813 __fas216_start_command(info, SCpnt); in fas216_start_command()
1816 static void fas216_allocate_tag(FAS216_Info *info, struct scsi_cmnd *SCpnt) in fas216_allocate_tag() argument
1819 (u8)(SCpnt->device->lun & 0x7), info->busyluns); in fas216_allocate_tag()
1821 info->stats.removes += 1; in fas216_allocate_tag()
1826 info->stats.writes += 1; in fas216_allocate_tag()
1831 info->stats.reads += 1; in fas216_allocate_tag()
1834 info->stats.miscs += 1; in fas216_allocate_tag()
1839 static void fas216_do_bus_device_reset(FAS216_Info *info, in fas216_do_bus_device_reset() argument
1847 info->scsi.phase = PHASE_SELECTION; in fas216_do_bus_device_reset()
1848 info->scsi.SCp = SCpnt->SCp; in fas216_do_bus_device_reset()
1849 info->SCpnt = SCpnt; in fas216_do_bus_device_reset()
1850 info->dma.transfer_type = fasdma_none; in fas216_do_bus_device_reset()
1852 fas216_log(info, LOG_ERROR, "sending bus device reset"); in fas216_do_bus_device_reset()
1854 msgqueue_flush(&info->scsi.msgs); in fas216_do_bus_device_reset()
1855 msgqueue_addmsg(&info->scsi.msgs, 1, BUS_DEVICE_RESET); in fas216_do_bus_device_reset()
1858 fas216_set_stc(info, 0); in fas216_do_bus_device_reset()
1859 fas216_cmd(info, CMD_NOP | CMD_WITHDMA); in fas216_do_bus_device_reset()
1862 fas216_cmd(info, CMD_FLUSHFIFO); in fas216_do_bus_device_reset()
1865 fas216_writeb(info, REG_SDID, BUSID(SCpnt->device->id)); in fas216_do_bus_device_reset()
1866 fas216_writeb(info, REG_STIM, info->ifcfg.select_timeout); in fas216_do_bus_device_reset()
1869 fas216_set_sync(info, SCpnt->device->id); in fas216_do_bus_device_reset()
1871 msg = msgqueue_getmsg(&info->scsi.msgs, 0); in fas216_do_bus_device_reset()
1873 fas216_writeb(info, REG_FF, BUS_DEVICE_RESET); in fas216_do_bus_device_reset()
1876 fas216_cmd(info, CMD_SELECTATNSTOP); in fas216_do_bus_device_reset()
1881 * @info: our host interface to kick
1886 static void fas216_kick(FAS216_Info *info) in fas216_kick() argument
1894 fas216_checkmagic(info); in fas216_kick()
1900 if (info->rstSCpnt) { in fas216_kick()
1901 SCpnt = info->rstSCpnt; in fas216_kick()
1907 if (info->reqSCpnt) { in fas216_kick()
1908 SCpnt = info->reqSCpnt; in fas216_kick()
1909 info->reqSCpnt = NULL; in fas216_kick()
1913 if (info->origSCpnt) { in fas216_kick()
1914 SCpnt = info->origSCpnt; in fas216_kick()
1915 info->origSCpnt = NULL; in fas216_kick()
1921 SCpnt = queue_remove_exclude(&info->queues.issue, in fas216_kick()
1922 info->busyluns); in fas216_kick()
1932 fas216_cmd(info, CMD_ENABLESEL); in fas216_kick()
1939 fas216_cmd(info, CMD_DISABLESEL); in fas216_kick()
1941 if (info->scsi.disconnectable && info->SCpnt) { in fas216_kick()
1942 fas216_log(info, LOG_CONNECT, in fas216_kick()
1944 info->SCpnt->device->id); in fas216_kick()
1945 queue_add_cmd_tail(&info->queues.disconnected, info->SCpnt); in fas216_kick()
1946 info->scsi.disconnectable = 0; in fas216_kick()
1947 info->SCpnt = NULL; in fas216_kick()
1950 fas216_log_command(info, LOG_CONNECT | LOG_MESSAGES, SCpnt, in fas216_kick()
1955 fas216_allocate_tag(info, SCpnt); in fas216_kick()
1958 fas216_start_command(info, SCpnt); in fas216_kick()
1961 fas216_do_bus_device_reset(info, SCpnt); in fas216_kick()
1965 fas216_log(info, LOG_CONNECT, "select: data pointers [%p, %X]", in fas216_kick()
1966 info->scsi.SCp.ptr, info->scsi.SCp.this_residual); in fas216_kick()
1977 static void fas216_devicereset_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, in fas216_devicereset_done() argument
1980 fas216_log(info, LOG_ERROR, "fas216 device reset complete"); in fas216_devicereset_done()
1982 info->rstSCpnt = NULL; in fas216_devicereset_done()
1983 info->rst_dev_status = 1; in fas216_devicereset_done()
1984 wake_up(&info->eh_wait); in fas216_devicereset_done()
1989 * @info: interface that completed
1995 static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, in fas216_rq_sns_done() argument
1998 fas216_log_target(info, LOG_CONNECT, SCpnt->device->id, in fas216_rq_sns_done()
2009 //printk("scsi%d.%c: sense buffer: ", info->host->host_no, '0' + SCpnt->device->id); in fas216_rq_sns_done()
2017 scsi_eh_restore_cmnd(SCpnt, &info->ses); in fas216_rq_sns_done()
2023 * @info: interface that completed
2030 fas216_std_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, unsigned int result) in fas216_std_done() argument
2032 info->stats.fins += 1; in fas216_std_done()
2036 scsi_msg_to_host_byte(SCpnt, info->scsi.SCp.Message); in fas216_std_done()
2037 set_status_byte(SCpnt, info->scsi.SCp.Status); in fas216_std_done()
2039 fas216_log_command(info, LOG_CONNECT, SCpnt, in fas216_std_done()
2070 if (info->scsi.SCp.ptr) { in fas216_std_done()
2080 SCpnt->result, info->scsi.SCp.ptr, in fas216_std_done()
2081 info->scsi.SCp.this_residual); in fas216_std_done()
2095 info->host->host_no); in fas216_std_done()
2102 scsi_eh_prep_cmnd(SCpnt, &info->ses, NULL, 0, ~0); in fas216_std_done()
2103 fas216_log_target(info, LOG_CONNECT, SCpnt->device->id, in fas216_std_done()
2115 if (info->reqSCpnt) in fas216_std_done()
2117 info->host->host_no, '0' + SCpnt->device->id); in fas216_std_done()
2118 info->reqSCpnt = SCpnt; in fas216_std_done()
2123 * @info: interface that completed
2128 static void fas216_done(FAS216_Info *info, unsigned int result) in fas216_done() argument
2134 fas216_checkmagic(info); in fas216_done()
2136 if (!info->SCpnt) in fas216_done()
2139 SCpnt = info->SCpnt; in fas216_done()
2140 info->SCpnt = NULL; in fas216_done()
2141 info->scsi.phase = PHASE_IDLE; in fas216_done()
2143 if (info->scsi.aborting) { in fas216_done()
2144 fas216_log(info, 0, "uncaught abort - returning DID_ABORT"); in fas216_done()
2146 info->scsi.aborting = 0; in fas216_done()
2153 if (info->scsi.SCp.ptr && info->scsi.SCp.this_residual == 0) { in fas216_done()
2156 info->scsi.SCp.ptr, info->scsi.SCp.this_residual); in fas216_done()
2157 info->scsi.SCp.ptr = NULL; in fas216_done()
2166 info->device[SCpnt->device->id].parity_check = 0; in fas216_done()
2168 (u8)(SCpnt->device->lun & 0x7), info->busyluns); in fas216_done()
2171 fn(info, SCpnt, result); in fas216_done()
2173 if (info->scsi.irq) { in fas216_done()
2174 spin_lock_irqsave(&info->host_lock, flags); in fas216_done()
2175 if (info->scsi.phase == PHASE_IDLE) in fas216_done()
2176 fas216_kick(info); in fas216_done()
2177 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_done()
2183 info->host->host_no); in fas216_done()
2198 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_queue_command_lck() local
2201 fas216_checkmagic(info); in fas216_queue_command_lck()
2203 fas216_log_command(info, LOG_CONNECT, SCpnt, in fas216_queue_command_lck()
2212 info->stats.queues += 1; in fas216_queue_command_lck()
2214 spin_lock(&info->host_lock); in fas216_queue_command_lck()
2220 result = !queue_add_cmd_ordered(&info->queues.issue, SCpnt); in fas216_queue_command_lck()
2226 if (result == 0 && info->scsi.phase == PHASE_IDLE) in fas216_queue_command_lck()
2227 fas216_kick(info); in fas216_queue_command_lck()
2228 spin_unlock(&info->host_lock); in fas216_queue_command_lck()
2230 fas216_log_target(info, LOG_CONNECT, -1, "queue %s", in fas216_queue_command_lck()
2246 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in DEF_SCSI_QCMD() local
2248 fas216_checkmagic(info); in DEF_SCSI_QCMD()
2250 info->internal_done = 1; in DEF_SCSI_QCMD()
2264 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_noqueue_command_lck() local
2266 fas216_checkmagic(info); in fas216_noqueue_command_lck()
2272 BUG_ON(info->scsi.irq); in fas216_noqueue_command_lck()
2274 info->internal_done = 0; in fas216_noqueue_command_lck()
2283 spin_unlock_irq(info->host->host_lock); in fas216_noqueue_command_lck()
2285 while (!info->internal_done) { in fas216_noqueue_command_lck()
2294 if (fas216_readb(info, REG_STAT) & STAT_INT) { in fas216_noqueue_command_lck()
2295 spin_lock_irq(info->host->host_lock); in fas216_noqueue_command_lck()
2296 fas216_intr(info); in fas216_noqueue_command_lck()
2297 spin_unlock_irq(info->host->host_lock); in fas216_noqueue_command_lck()
2301 spin_lock_irq(info->host->host_lock); in fas216_noqueue_command_lck()
2316 FAS216_Info *info = from_timer(info, t, eh_timer); in DEF_SCSI_QCMD() local
2318 fas216_log(info, LOG_ERROR, "error handling timed out\n"); in DEF_SCSI_QCMD()
2320 del_timer(&info->eh_timer); in DEF_SCSI_QCMD()
2322 if (info->rst_bus_status == 0) in DEF_SCSI_QCMD()
2323 info->rst_bus_status = -1; in DEF_SCSI_QCMD()
2324 if (info->rst_dev_status == 0) in DEF_SCSI_QCMD()
2325 info->rst_dev_status = -1; in DEF_SCSI_QCMD()
2327 wake_up(&info->eh_wait); in DEF_SCSI_QCMD()
2343 static enum res_find fas216_find_command(FAS216_Info *info, in fas216_find_command() argument
2348 if (queue_remove_cmd(&info->queues.issue, SCpnt)) { in fas216_find_command()
2358 } else if (queue_remove_cmd(&info->queues.disconnected, SCpnt)) { in fas216_find_command()
2367 } else if (info->SCpnt == SCpnt) { in fas216_find_command()
2370 switch (info->scsi.phase) { in fas216_find_command()
2376 if (info->scsi.disconnectable) { in fas216_find_command()
2377 info->scsi.disconnectable = 0; in fas216_find_command()
2378 info->SCpnt = NULL; in fas216_find_command()
2386 } else if (info->origSCpnt == SCpnt) { in fas216_find_command()
2393 info->origSCpnt = NULL; in fas216_find_command()
2395 (u8)(SCpnt->device->lun & 0x7), info->busyluns); in fas216_find_command()
2414 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_eh_abort() local
2417 fas216_checkmagic(info); in fas216_eh_abort()
2419 info->stats.aborts += 1; in fas216_eh_abort()
2424 fas216_dumpstate(info); in fas216_eh_abort()
2426 switch (fas216_find_command(info, SCpnt)) { in fas216_eh_abort()
2467 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_eh_device_reset() local
2471 fas216_log(info, LOG_ERROR, "device reset for target %d", target); in fas216_eh_device_reset()
2473 spin_lock_irqsave(&info->host_lock, flags); in fas216_eh_device_reset()
2482 if (info->SCpnt && !info->scsi.disconnectable && in fas216_eh_device_reset()
2483 info->SCpnt->device->id == SCpnt->device->id) in fas216_eh_device_reset()
2492 queue_remove_all_target(&info->queues.issue, target); in fas216_eh_device_reset()
2493 queue_remove_all_target(&info->queues.disconnected, target); in fas216_eh_device_reset()
2494 if (info->origSCpnt && info->origSCpnt->device->id == target) in fas216_eh_device_reset()
2495 info->origSCpnt = NULL; in fas216_eh_device_reset()
2496 if (info->reqSCpnt && info->reqSCpnt->device->id == target) in fas216_eh_device_reset()
2497 info->reqSCpnt = NULL; in fas216_eh_device_reset()
2499 clear_bit(target * 8 + i, info->busyluns); in fas216_eh_device_reset()
2507 info->rst_dev_status = 0; in fas216_eh_device_reset()
2508 info->rstSCpnt = SCpnt; in fas216_eh_device_reset()
2510 if (info->scsi.phase == PHASE_IDLE) in fas216_eh_device_reset()
2511 fas216_kick(info); in fas216_eh_device_reset()
2513 mod_timer(&info->eh_timer, jiffies + 30 * HZ); in fas216_eh_device_reset()
2514 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_eh_device_reset()
2519 wait_event(info->eh_wait, info->rst_dev_status); in fas216_eh_device_reset()
2521 del_timer_sync(&info->eh_timer); in fas216_eh_device_reset()
2522 spin_lock_irqsave(&info->host_lock, flags); in fas216_eh_device_reset()
2523 info->rstSCpnt = NULL; in fas216_eh_device_reset()
2525 if (info->rst_dev_status == 1) in fas216_eh_device_reset()
2530 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_eh_device_reset()
2532 fas216_log(info, LOG_ERROR, "device reset complete: %s\n", in fas216_eh_device_reset()
2548 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_eh_bus_reset() local
2552 fas216_checkmagic(info); in fas216_eh_bus_reset()
2553 fas216_log(info, LOG_ERROR, "resetting bus"); in fas216_eh_bus_reset()
2555 info->stats.bus_resets += 1; in fas216_eh_bus_reset()
2557 spin_lock_irqsave(&info->host_lock, flags); in fas216_eh_bus_reset()
2562 fas216_aborttransfer(info); in fas216_eh_bus_reset()
2563 fas216_writeb(info, REG_CNTL3, info->scsi.cfg[2]); in fas216_eh_bus_reset()
2568 while (fas216_readb(info, REG_STAT) & STAT_INT) in fas216_eh_bus_reset()
2569 fas216_readb(info, REG_INST); in fas216_eh_bus_reset()
2571 info->rst_bus_status = 0; in fas216_eh_bus_reset()
2578 shost_for_each_device(SDpnt, info->host) { in fas216_eh_bus_reset()
2584 queue_remove_all_target(&info->queues.issue, SDpnt->id); in fas216_eh_bus_reset()
2585 queue_remove_all_target(&info->queues.disconnected, SDpnt->id); in fas216_eh_bus_reset()
2586 if (info->origSCpnt && info->origSCpnt->device->id == SDpnt->id) in fas216_eh_bus_reset()
2587 info->origSCpnt = NULL; in fas216_eh_bus_reset()
2588 if (info->reqSCpnt && info->reqSCpnt->device->id == SDpnt->id) in fas216_eh_bus_reset()
2589 info->reqSCpnt = NULL; in fas216_eh_bus_reset()
2590 info->SCpnt = NULL; in fas216_eh_bus_reset()
2593 clear_bit(SDpnt->id * 8 + i, info->busyluns); in fas216_eh_bus_reset()
2596 info->scsi.phase = PHASE_IDLE; in fas216_eh_bus_reset()
2602 fas216_cmd(info, CMD_RESETSCSI); in fas216_eh_bus_reset()
2604 mod_timer(&info->eh_timer, jiffies + HZ); in fas216_eh_bus_reset()
2605 spin_unlock_irqrestore(&info->host_lock, flags); in fas216_eh_bus_reset()
2610 wait_event(info->eh_wait, info->rst_bus_status); in fas216_eh_bus_reset()
2611 del_timer_sync(&info->eh_timer); in fas216_eh_bus_reset()
2613 fas216_log(info, LOG_ERROR, "bus reset complete: %s\n", in fas216_eh_bus_reset()
2614 info->rst_bus_status == 1 ? "success" : "failed"); in fas216_eh_bus_reset()
2616 return info->rst_bus_status == 1 ? SUCCESS : FAILED; in fas216_eh_bus_reset()
2621 * @info: state structure for interface
2625 static void fas216_init_chip(FAS216_Info *info) in fas216_init_chip() argument
2627 unsigned int clock = ((info->ifcfg.clockrate - 1) / 5 + 1) & 7; in fas216_init_chip()
2628 fas216_writeb(info, REG_CLKF, clock); in fas216_init_chip()
2629 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_init_chip()
2630 fas216_writeb(info, REG_CNTL2, info->scsi.cfg[1]); in fas216_init_chip()
2631 fas216_writeb(info, REG_CNTL3, info->scsi.cfg[2]); in fas216_init_chip()
2632 fas216_writeb(info, REG_STIM, info->ifcfg.select_timeout); in fas216_init_chip()
2633 fas216_writeb(info, REG_SOF, 0); in fas216_init_chip()
2634 fas216_writeb(info, REG_STP, info->scsi.async_stp); in fas216_init_chip()
2635 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_init_chip()
2648 FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; in fas216_eh_host_reset() local
2650 spin_lock_irq(info->host->host_lock); in fas216_eh_host_reset()
2652 fas216_checkmagic(info); in fas216_eh_host_reset()
2654 fas216_log(info, LOG_ERROR, "resetting host"); in fas216_eh_host_reset()
2659 fas216_cmd(info, CMD_RESETCHIP); in fas216_eh_host_reset()
2667 spin_unlock_irq(info->host->host_lock); in fas216_eh_host_reset()
2669 spin_lock_irq(info->host->host_lock); in fas216_eh_host_reset()
2674 fas216_cmd(info, CMD_NOP); in fas216_eh_host_reset()
2676 fas216_init_chip(info); in fas216_eh_host_reset()
2678 spin_unlock_irq(info->host->host_lock); in fas216_eh_host_reset()
2700 static int fas216_detect_type(FAS216_Info *info) in fas216_detect_type() argument
2707 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_detect_type()
2709 fas216_writeb(info, REG_CMD, CMD_NOP); in fas216_detect_type()
2714 fas216_writeb(info, REG_CNTL3, 0); in fas216_detect_type()
2715 fas216_writeb(info, REG_CNTL2, CNTL2_S2FE); in fas216_detect_type()
2722 if ((fas216_readb(info, REG_CNTL2) & (~0xe0)) != CNTL2_S2FE) in fas216_detect_type()
2728 fas216_writeb(info, REG_CNTL2, 0); in fas216_detect_type()
2729 fas216_writeb(info, REG_CNTL3, 0); in fas216_detect_type()
2730 fas216_writeb(info, REG_CNTL3, 5); in fas216_detect_type()
2736 if (fas216_readb(info, REG_CNTL3) != 5) in fas216_detect_type()
2742 fas216_writeb(info, REG_CNTL3, 0); in fas216_detect_type()
2744 fas216_writeb(info, REG_CNTL3, CNTL3_ADIDCHK); in fas216_detect_type()
2745 fas216_writeb(info, REG_CNTL3, 0); in fas216_detect_type()
2747 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_detect_type()
2749 fas216_writeb(info, REG_CMD, CMD_WITHDMA | CMD_NOP); in fas216_detect_type()
2751 fas216_writeb(info, REG_CNTL2, CNTL2_ENF); in fas216_detect_type()
2752 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_detect_type()
2754 fas216_writeb(info, REG_CMD, CMD_NOP); in fas216_detect_type()
2756 rev = fas216_readb(info, REG_ID); in fas216_detect_type()
2784 * @info: state to initialise
2788 static void fas216_reset_state(FAS216_Info *info) in fas216_reset_state() argument
2792 fas216_checkmagic(info); in fas216_reset_state()
2794 fas216_bus_reset(info); in fas216_reset_state()
2797 * Clear out all stale info in our state structure in fas216_reset_state()
2799 memset(info->busyluns, 0, sizeof(info->busyluns)); in fas216_reset_state()
2800 info->scsi.disconnectable = 0; in fas216_reset_state()
2801 info->scsi.aborting = 0; in fas216_reset_state()
2804 info->device[i].parity_enabled = 0; in fas216_reset_state()
2805 info->device[i].parity_check = 1; in fas216_reset_state()
2811 while (queue_remove(&info->queues.disconnected) != NULL); in fas216_reset_state()
2816 info->SCpnt = NULL; in fas216_reset_state()
2817 info->reqSCpnt = NULL; in fas216_reset_state()
2818 info->rstSCpnt = NULL; in fas216_reset_state()
2819 info->origSCpnt = NULL; in fas216_reset_state()
2831 FAS216_Info *info = (FAS216_Info *)host->hostdata; in fas216_init() local
2833 info->magic_start = MAGIC; in fas216_init()
2834 info->magic_end = MAGIC; in fas216_init()
2835 info->host = host; in fas216_init()
2836 info->scsi.cfg[0] = host->this_id | CNTL1_PERE; in fas216_init()
2837 info->scsi.cfg[1] = CNTL2_ENF | CNTL2_S2FE; in fas216_init()
2838 info->scsi.cfg[2] = info->ifcfg.cntl3 | in fas216_init()
2840 info->scsi.async_stp = fas216_syncperiod(info, info->ifcfg.asyncperiod); in fas216_init()
2842 info->rst_dev_status = -1; in fas216_init()
2843 info->rst_bus_status = -1; in fas216_init()
2844 init_waitqueue_head(&info->eh_wait); in fas216_init()
2845 timer_setup(&info->eh_timer, fas216_eh_timer, 0); in fas216_init()
2847 spin_lock_init(&info->host_lock); in fas216_init()
2849 memset(&info->stats, 0, sizeof(info->stats)); in fas216_init()
2851 msgqueue_initialise(&info->scsi.msgs); in fas216_init()
2853 if (!queue_initialise(&info->queues.issue)) in fas216_init()
2856 if (!queue_initialise(&info->queues.disconnected)) { in fas216_init()
2857 queue_free(&info->queues.issue); in fas216_init()
2874 FAS216_Info *info = (FAS216_Info *)host->hostdata; in fas216_add() local
2877 if (info->ifcfg.clockrate <= 10 || info->ifcfg.clockrate > 40) { in fas216_add()
2879 info->ifcfg.clockrate); in fas216_add()
2883 fas216_reset_state(info); in fas216_add()
2884 type = fas216_detect_type(info); in fas216_add()
2885 info->scsi.type = chip_types[type]; in fas216_add()
2892 fas216_init_chip(info); in fas216_add()
2899 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0] | CNTL1_DISR); in fas216_add()
2900 fas216_writeb(info, REG_CMD, CMD_RESETSCSI); in fas216_add()
2905 spin_unlock_irq(info->host->host_lock); in fas216_add()
2907 spin_lock_irq(info->host->host_lock); in fas216_add()
2909 fas216_writeb(info, REG_CNTL1, info->scsi.cfg[0]); in fas216_add()
2910 fas216_readb(info, REG_INST); in fas216_add()
2912 fas216_checkmagic(info); in fas216_add()
2916 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_add()
2925 FAS216_Info *info = (FAS216_Info *)host->hostdata; in fas216_remove() local
2927 fas216_checkmagic(info); in fas216_remove()
2930 fas216_writeb(info, REG_CMD, CMD_RESETCHIP); in fas216_remove()
2942 FAS216_Info *info = (FAS216_Info *)host->hostdata; in fas216_release() local
2944 queue_free(&info->queues.disconnected); in fas216_release()
2945 queue_free(&info->queues.issue); in fas216_release()
2948 void fas216_print_host(FAS216_Info *info, struct seq_file *m) in fas216_print_host() argument
2956 info->scsi.type, info->scsi.io_base, in fas216_print_host()
2957 info->scsi.irq, info->scsi.dma); in fas216_print_host()
2960 void fas216_print_stats(FAS216_Info *info, struct seq_file *m) in fas216_print_stats() argument
2974 info->stats.queues, info->stats.removes, in fas216_print_stats()
2975 info->stats.fins, info->stats.reads, in fas216_print_stats()
2976 info->stats.writes, info->stats.miscs, in fas216_print_stats()
2977 info->stats.disconnects, info->stats.aborts, in fas216_print_stats()
2978 info->stats.bus_resets, info->stats.host_resets); in fas216_print_stats()
2981 void fas216_print_devices(FAS216_Info *info, struct seq_file *m) in fas216_print_devices() argument
2988 shost_for_each_device(scd, info->host) { in fas216_print_devices()
2989 dev = &info->device[scd->id]; in fas216_print_devices()