Lines Matching refs:srb
334 struct ScsiReqBlk srb; member
343 static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
345 static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
347 static void command_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
349 static void status_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
351 static void msgout_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
353 static void msgin_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
355 static void data_out_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
357 static void data_in_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
359 static void command_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
361 static void status_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
363 static void msgout_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
365 static void msgin_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
367 static void nop0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
369 static void nop1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
373 struct ScsiReqBlk *srb);
376 struct ScsiReqBlk *srb, u16 io_dir);
380 struct ScsiReqBlk *srb);
382 struct ScsiReqBlk *srb);
384 struct ScsiReqBlk *srb);
388 static void pci_unmap_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb);
390 struct ScsiReqBlk *srb);
392 struct ScsiReqBlk *srb);
394 struct ScsiReqBlk *srb);
735 static void free_tag(struct DeviceCtlBlk *dcb, struct ScsiReqBlk *srb) in free_tag() argument
737 if (srb->tag_number < 255) { in free_tag()
738 dcb->tag_mask &= ~(1 << srb->tag_number); /* free tag mask */ in free_tag()
739 srb->tag_number = 255; in free_tag()
775 struct ScsiReqBlk *srb; in waiting_process_next() local
821 srb = list_entry(waiting_list_head->next, in waiting_process_next()
825 if (!start_scsi(acb, pos, srb)) in waiting_process_next()
826 list_move(&srb->list, &pos->srb_going_list); in waiting_process_next()
856 static void send_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in send_srb() argument
858 struct DeviceCtlBlk *dcb = srb->dcb; in send_srb()
863 list_add_tail(&srb->list, &dcb->srb_waiting_list); in send_srb()
868 if (!start_scsi(acb, dcb, srb)) { in send_srb()
869 list_add_tail(&srb->list, &dcb->srb_going_list); in send_srb()
871 list_add(&srb->list, &dcb->srb_waiting_list); in send_srb()
878 struct ScsiReqBlk *srb) in build_srb() argument
885 srb->dcb = dcb; in build_srb()
886 srb->cmd = cmd; in build_srb()
887 srb->sg_count = 0; in build_srb()
888 srb->total_xfer_length = 0; in build_srb()
889 srb->sg_bus_addr = 0; in build_srb()
890 srb->sg_index = 0; in build_srb()
891 srb->adapter_status = 0; in build_srb()
892 srb->target_status = 0; in build_srb()
893 srb->msg_count = 0; in build_srb()
894 srb->status = 0; in build_srb()
895 srb->flag = 0; in build_srb()
896 srb->state = 0; in build_srb()
897 srb->retry_count = 0; in build_srb()
898 srb->tag_number = TAG_NONE; in build_srb()
899 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in build_srb()
900 srb->end_message = 0; in build_srb()
909 srb->segment_x[0].address); in build_srb()
914 struct SGentry *sgp = srb->segment_x; in build_srb()
916 srb->sg_count = nseg; in build_srb()
921 srb->sg_count); in build_srb()
923 scsi_for_each_sg(cmd, sg, srb->sg_count, i) { in build_srb()
928 srb->total_xfer_length += seglen; in build_srb()
930 sgp += srb->sg_count - 1; in build_srb()
936 if (srb->total_xfer_length > reqlen) { in build_srb()
937 sgp->length -= (srb->total_xfer_length - reqlen); in build_srb()
938 srb->total_xfer_length = reqlen; in build_srb()
943 srb->total_xfer_length % 2) { in build_srb()
944 srb->total_xfer_length++; in build_srb()
948 srb->sg_bus_addr = dma_map_single(&dcb->acb->dev->dev, in build_srb()
949 srb->segment_x, SEGMENTX_LEN, DMA_TO_DEVICE); in build_srb()
952 srb->segment_x, srb->sg_bus_addr, SEGMENTX_LEN); in build_srb()
955 srb->request_length = srb->total_xfer_length; in build_srb()
981 struct ScsiReqBlk *srb; in dc395x_queue_command_lck() local
1017 srb = list_first_entry_or_null(&acb->srb_free_list, in dc395x_queue_command_lck()
1019 if (!srb) { in dc395x_queue_command_lck()
1027 list_del(&srb->list); in dc395x_queue_command_lck()
1029 build_srb(cmd, dcb, srb); in dc395x_queue_command_lck()
1033 list_add_tail(&srb->list, &dcb->srb_waiting_list); in dc395x_queue_command_lck()
1037 send_srb(acb, srb); in dc395x_queue_command_lck()
1056 struct DeviceCtlBlk *dcb, struct ScsiReqBlk *srb) in DEF_SCSI_QCMD()
1063 if (!srb && dcb) in DEF_SCSI_QCMD()
1064 srb = dcb->active_srb; in DEF_SCSI_QCMD()
1065 if (srb) { in DEF_SCSI_QCMD()
1066 if (!srb->cmd) in DEF_SCSI_QCMD()
1068 srb, srb->cmd); in DEF_SCSI_QCMD()
1072 srb, srb->cmd, in DEF_SCSI_QCMD()
1073 srb->cmd->cmnd[0], srb->cmd->device->id, in DEF_SCSI_QCMD()
1074 (u8)srb->cmd->device->lun); in DEF_SCSI_QCMD()
1076 srb->segment_x, srb->sg_count, srb->sg_index, in DEF_SCSI_QCMD()
1077 srb->total_xfer_length); in DEF_SCSI_QCMD()
1079 srb->state, srb->status, srb->scsi_phase, in DEF_SCSI_QCMD()
1234 struct ScsiReqBlk *srb; in dc395x_eh_abort() local
1244 srb = find_cmd(cmd, &dcb->srb_waiting_list); in dc395x_eh_abort()
1245 if (srb) { in dc395x_eh_abort()
1246 list_del(&srb->list); in dc395x_eh_abort()
1247 pci_unmap_srb_sense(acb, srb); in dc395x_eh_abort()
1248 pci_unmap_srb(acb, srb); in dc395x_eh_abort()
1249 free_tag(dcb, srb); in dc395x_eh_abort()
1250 list_add_tail(&srb->list, &acb->srb_free_list); in dc395x_eh_abort()
1255 srb = find_cmd(cmd, &dcb->srb_going_list); in dc395x_eh_abort()
1256 if (srb) { in dc395x_eh_abort()
1268 struct ScsiReqBlk *srb) in build_sdtr() argument
1270 u8 *ptr = srb->msgout_buf + srb->msg_count; in build_sdtr()
1271 if (srb->msg_count > 1) { in build_sdtr()
1274 srb->msg_count, srb->msgout_buf[0], in build_sdtr()
1275 srb->msgout_buf[1]); in build_sdtr()
1289 srb->msg_count += 5; in build_sdtr()
1290 srb->state |= SRB_DO_SYNC_NEGO; in build_sdtr()
1296 struct ScsiReqBlk *srb) in build_wdtr() argument
1300 u8 *ptr = srb->msgout_buf + srb->msg_count; in build_wdtr()
1301 if (srb->msg_count > 1) { in build_wdtr()
1304 srb->msg_count, srb->msgout_buf[0], in build_wdtr()
1305 srb->msgout_buf[1]); in build_wdtr()
1312 srb->msg_count += 4; in build_wdtr()
1313 srb->state |= SRB_DO_WIDE_NEGO; in build_wdtr()
1342 struct ScsiReqBlk *srb;
1349 srb = acb->active_dcb->active_srb;
1357 struct ScsiReqBlk* srb) in start_scsi() argument
1363 dcb->target_id, dcb->target_lun, srb); in start_scsi()
1365 srb->tag_number = TAG_NONE; /* acb->tag_max_num: had error read in eeprom */ in start_scsi()
1391 srb->cmd, in start_scsi()
1397 dprintkdbg(DBG_KG, "start_scsi: (0x%p) Failed (busy)\n", srb->cmd); in start_scsi()
1413 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in start_scsi()
1418 if (srb->flag & AUTO_REQSENSE) in start_scsi()
1421 if (((srb->cmd->cmnd[0] == INQUIRY) in start_scsi()
1422 || (srb->cmd->cmnd[0] == REQUEST_SENSE) in start_scsi()
1423 || (srb->flag & AUTO_REQSENSE)) in start_scsi()
1429 srb->msgout_buf[0] = identify_message; in start_scsi()
1430 srb->msg_count = 1; in start_scsi()
1432 srb->state = SRB_MSGOUT; in start_scsi()
1436 build_wdtr(acb, dcb, srb); in start_scsi()
1442 build_sdtr(acb, dcb, srb); in start_scsi()
1447 build_wdtr(acb, dcb, srb); in start_scsi()
1450 srb->msg_count = 0; in start_scsi()
1456 srb->state = SRB_START_; in start_scsi()
1471 srb->cmd, srb->cmd->device->id, in start_scsi()
1472 (u8)srb->cmd->device->lun); in start_scsi()
1473 srb->state = SRB_READY; in start_scsi()
1482 srb->tag_number = tag_number; in start_scsi()
1484 srb->state = SRB_START_; in start_scsi()
1490 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun, in start_scsi()
1491 srb->cmd->cmnd[0], srb->tag_number); in start_scsi()
1492 if (srb->flag & AUTO_REQSENSE) { in start_scsi()
1500 ptr = (u8 *)srb->cmd->cmnd; in start_scsi()
1501 for (i = 0; i < srb->cmd->cmd_len; i++) in start_scsi()
1514 srb->cmd, dcb->target_id, dcb->target_lun); in start_scsi()
1515 srb->state = SRB_READY; in start_scsi()
1516 free_tag(dcb, srb); in start_scsi()
1517 srb->msg_count = 0; in start_scsi()
1525 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in start_scsi()
1526 dcb->active_srb = srb; in start_scsi()
1541 srb->state |= SRB_MSGOUT
1546 struct ScsiReqBlk *srb) in enable_msgout_abort() argument
1548 srb->msgout_buf[0] = ABORT; in enable_msgout_abort()
1549 srb->msg_count = 1; in enable_msgout_abort()
1551 srb->state &= ~SRB_MSGIN; in enable_msgout_abort()
1552 srb->state |= SRB_MSGOUT; in enable_msgout_abort()
1567 struct ScsiReqBlk *srb; in dc395x_handle_interrupt() local
1614 srb = dcb->active_srb; in dc395x_handle_interrupt()
1617 enable_msgout_abort(acb, srb); in dc395x_handle_interrupt()
1621 phase = (u16)srb->scsi_phase; in dc395x_handle_interrupt()
1637 dc395x_statev(acb, srb, &scsi_status); in dc395x_handle_interrupt()
1644 srb->scsi_phase = scsi_status & PHASEMASK; in dc395x_handle_interrupt()
1660 dc395x_statev(acb, srb, &scsi_status); in dc395x_handle_interrupt()
1706 static void msgout_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in msgout_phase0() argument
1709 dprintkdbg(DBG_0, "msgout_phase0: (0x%p)\n", srb->cmd); in msgout_phase0()
1710 if (srb->state & (SRB_UNEXPECT_RESEL + SRB_ABORT_SENT)) in msgout_phase0()
1714 srb->state &= ~SRB_MSGOUT; in msgout_phase0()
1718 static void msgout_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in msgout_phase1() argument
1723 dprintkdbg(DBG_0, "msgout_phase1: (0x%p)\n", srb->cmd); in msgout_phase1()
1726 if (!(srb->state & SRB_MSGOUT)) { in msgout_phase1()
1727 srb->state |= SRB_MSGOUT; in msgout_phase1()
1730 srb->cmd); /* So what ? */ in msgout_phase1()
1732 if (!srb->msg_count) { in msgout_phase1()
1734 srb->cmd); in msgout_phase1()
1740 ptr = (u8 *)srb->msgout_buf; in msgout_phase1()
1741 for (i = 0; i < srb->msg_count; i++) in msgout_phase1()
1743 srb->msg_count = 0; in msgout_phase1()
1744 if (srb->msgout_buf[0] == MSG_ABORT) in msgout_phase1()
1745 srb->state = SRB_ABORT_SENT; in msgout_phase1()
1751 static void command_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in command_phase0() argument
1754 dprintkdbg(DBG_0, "command_phase0: (0x%p)\n", srb->cmd); in command_phase0()
1759 static void command_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in command_phase1() argument
1765 dprintkdbg(DBG_0, "command_phase1: (0x%p)\n", srb->cmd); in command_phase1()
1769 if (!(srb->flag & AUTO_REQSENSE)) { in command_phase1()
1770 ptr = (u8 *)srb->cmd->cmnd; in command_phase1()
1771 for (i = 0; i < srb->cmd->cmd_len; i++) { in command_phase1()
1785 srb->state |= SRB_COMMAND; in command_phase1()
1797 static void sg_verify_length(struct ScsiReqBlk *srb) in sg_verify_length() argument
1801 unsigned idx = srb->sg_index; in sg_verify_length()
1802 struct SGentry *psge = srb->segment_x + idx; in sg_verify_length()
1803 for (; idx < srb->sg_count; psge++, idx++) in sg_verify_length()
1805 if (len != srb->total_xfer_length) in sg_verify_length()
1808 srb->total_xfer_length, len); in sg_verify_length()
1817 static void sg_update_list(struct ScsiReqBlk *srb, u32 left) in sg_update_list() argument
1820 u32 xferred = srb->total_xfer_length - left; /* bytes transferred */ in sg_update_list()
1821 struct SGentry *psge = srb->segment_x + srb->sg_index; in sg_update_list()
1825 xferred, srb->total_xfer_length, left); in sg_update_list()
1831 sg_verify_length(srb); in sg_update_list()
1832 srb->total_xfer_length = left; /* update remaining count */ in sg_update_list()
1833 for (idx = srb->sg_index; idx < srb->sg_count; idx++) { in sg_update_list()
1839 dma_sync_single_for_cpu(&srb->dcb->acb->dev->dev, in sg_update_list()
1840 srb->sg_bus_addr, SEGMENTX_LEN, in sg_update_list()
1844 srb->sg_index = idx; in sg_update_list()
1845 dma_sync_single_for_device(&srb->dcb->acb->dev->dev, in sg_update_list()
1846 srb->sg_bus_addr, SEGMENTX_LEN, in sg_update_list()
1852 sg_verify_length(srb); in sg_update_list()
1862 static void sg_subtract_one(struct ScsiReqBlk *srb) in sg_subtract_one() argument
1864 sg_update_list(srb, srb->total_xfer_length - 1); in sg_subtract_one()
1877 struct ScsiReqBlk *srb) in cleanup_after_transfer() argument
1902 static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in data_out_phase0() argument
1905 struct DeviceCtlBlk *dcb = srb->dcb; in data_out_phase0()
1909 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in data_out_phase0()
1930 srb->total_xfer_length); in data_out_phase0()
1933 if (!(srb->state & SRB_XFERPAD)) { in data_out_phase0()
1935 srb->status |= PARITY_ERROR; in data_out_phase0()
1974 if (srb->total_xfer_length > DC395x_LASTPIO) in data_out_phase0()
1982 && scsi_bufflen(srb->cmd) % 2) { in data_out_phase0()
1999 srb->total_xfer_length = 0; in data_out_phase0()
2007 srb->total_xfer_length - d_left_counter; in data_out_phase0()
2010 sg_update_list(srb, d_left_counter); in data_out_phase0()
2012 if ((srb->segment_x[srb->sg_index].length == in data_out_phase0()
2013 diff && scsi_sg_count(srb->cmd)) in data_out_phase0()
2020 srb->total_xfer_length - diff; in data_out_phase0()
2021 sg_update_list(srb, d_left_counter); in data_out_phase0()
2030 cleanup_after_transfer(acb, srb); in data_out_phase0()
2035 static void data_out_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in data_out_phase1() argument
2039 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in data_out_phase1()
2042 data_io_transfer(acb, srb, XFERDATAOUT); in data_out_phase1()
2045 static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in data_in_phase0() argument
2051 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in data_in_phase0()
2066 if (!(srb->state & SRB_XFERPAD)) { in data_in_phase0()
2072 "Parity Error\n", srb->cmd); in data_in_phase0()
2073 srb->status |= PARITY_ERROR; in data_in_phase0()
2109 << ((srb->dcb->sync_period & WIDE_SYNC) ? 1 : in data_in_phase0()
2116 (srb->dcb->sync_period & WIDE_SYNC) ? "words" : "bytes", in data_in_phase0()
2121 srb->total_xfer_length, d_left_counter); in data_in_phase0()
2125 && srb->total_xfer_length <= DC395x_LASTPIO) { in data_in_phase0()
2126 size_t left_io = srb->total_xfer_length; in data_in_phase0()
2133 (srb->dcb->sync_period & WIDE_SYNC) ? in data_in_phase0()
2135 srb->total_xfer_length); in data_in_phase0()
2136 if (srb->dcb->sync_period & WIDE_SYNC) in data_in_phase0()
2143 size_t offset = srb->request_length - left_io; in data_in_phase0()
2148 base = scsi_kmap_atomic_sg(scsi_sglist(srb->cmd), in data_in_phase0()
2149 srb->sg_count, &offset, &len); in data_in_phase0()
2163 sg_subtract_one(srb); in data_in_phase0()
2177 if (fc == 0x40 && (srb->dcb->sync_period & WIDE_SYNC)) { in data_in_phase0()
2179 if (srb->total_xfer_length > 0) { in data_in_phase0()
2183 srb->total_xfer_length--; in data_in_phase0()
2214 if (srb->dcb->sync_period & WIDE_SYNC) in data_in_phase0()
2236 srb->total_xfer_length = 0; in data_in_phase0()
2238 srb->total_xfer_length = d_left_counter; in data_in_phase0()
2248 sg_update_list(srb, d_left_counter); in data_in_phase0()
2253 cleanup_after_transfer(acb, srb); in data_in_phase0()
2258 static void data_in_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in data_in_phase1() argument
2262 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in data_in_phase1()
2263 data_io_transfer(acb, srb, XFERDATAIN); in data_in_phase1()
2268 struct ScsiReqBlk *srb, u16 io_dir) in data_io_transfer() argument
2270 struct DeviceCtlBlk *dcb = srb->dcb; in data_io_transfer()
2274 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun, in data_io_transfer()
2276 srb->total_xfer_length, srb->sg_index, srb->sg_count); in data_io_transfer()
2277 if (srb == acb->tmp_srb) in data_io_transfer()
2279 if (srb->sg_index >= srb->sg_count) { in data_io_transfer()
2284 if (srb->total_xfer_length > DC395x_LASTPIO) { in data_io_transfer()
2293 dump_register_info(acb, dcb, srb); in data_io_transfer()
2301 srb->state |= SRB_DATA_XFER; in data_io_transfer()
2303 if (scsi_sg_count(srb->cmd)) { /* with S/G */ in data_io_transfer()
2306 srb->sg_bus_addr + in data_io_transfer()
2308 srb->sg_index); in data_io_transfer()
2311 ((u32)(srb->sg_count - in data_io_transfer()
2312 srb->sg_index) << 3)); in data_io_transfer()
2316 srb->segment_x[0].address); in data_io_transfer()
2318 srb->segment_x[0].length); in data_io_transfer()
2322 srb->total_xfer_length); in data_io_transfer()
2336 else if (srb->total_xfer_length > 0) { /* The last four bytes: Do PIO */ in data_io_transfer()
2341 srb->state |= SRB_DATA_XFER; in data_io_transfer()
2344 srb->total_xfer_length); in data_io_transfer()
2350 int ln = srb->total_xfer_length; in data_io_transfer()
2351 size_t left_io = srb->total_xfer_length; in data_io_transfer()
2353 if (srb->dcb->sync_period & WIDE_SYNC) in data_io_transfer()
2361 size_t offset = srb->request_length - left_io; in data_io_transfer()
2365 base = scsi_kmap_atomic_sg(scsi_sglist(srb->cmd), in data_io_transfer()
2366 srb->sg_count, &offset, &len); in data_io_transfer()
2377 sg_subtract_one(srb); in data_io_transfer()
2383 if (srb->dcb->sync_period & WIDE_SYNC) { in data_io_transfer()
2401 if (srb->sg_count) { in data_io_transfer()
2402 srb->adapter_status = H_OVER_UNDER_RUN; in data_io_transfer()
2403 srb->status |= OVER_RUN; in data_io_transfer()
2434 srb->state |= SRB_XFERPAD; in data_io_transfer()
2443 static void status_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in status_phase0() argument
2447 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in status_phase0()
2448 srb->target_status = DC395x_read8(acb, TRM_S1040_SCSI_FIFO); in status_phase0()
2449 srb->end_message = DC395x_read8(acb, TRM_S1040_SCSI_FIFO); /* get message */ in status_phase0()
2450 srb->state = SRB_COMPLETED; in status_phase0()
2457 static void status_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in status_phase1() argument
2461 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in status_phase1()
2462 srb->state = SRB_STATUS; in status_phase1()
2484 struct ScsiReqBlk *srb) in msgin_reject() argument
2486 srb->msgout_buf[0] = MESSAGE_REJECT; in msgin_reject()
2487 srb->msg_count = 1; in msgin_reject()
2489 srb->state &= ~SRB_MSGIN; in msgin_reject()
2490 srb->state |= SRB_MSGOUT; in msgin_reject()
2492 srb->msgin_buf[0], in msgin_reject()
2493 srb->dcb->target_id, srb->dcb->target_lun); in msgin_reject()
2500 struct ScsiReqBlk *srb = NULL; in msgin_qtag() local
2503 srb->cmd, tag, srb); in msgin_qtag()
2514 srb = i; in msgin_qtag()
2518 if (!srb) in msgin_qtag()
2522 srb->cmd, srb->dcb->target_id, srb->dcb->target_lun); in msgin_qtag()
2525 enable_msgout_abort(acb, srb); in msgin_qtag()
2528 if (!(srb->state & SRB_DISCONNECT)) in msgin_qtag()
2531 memcpy(srb->msgin_buf, dcb->active_srb->msgin_buf, acb->msg_len); in msgin_qtag()
2532 srb->state |= dcb->active_srb->state; in msgin_qtag()
2533 srb->state |= SRB_DATA_XFER; in msgin_qtag()
2534 dcb->active_srb = srb; in msgin_qtag()
2536 return srb; in msgin_qtag()
2539 srb = acb->tmp_srb; in msgin_qtag()
2540 srb->state = SRB_UNEXPECT_RESEL; in msgin_qtag()
2541 dcb->active_srb = srb; in msgin_qtag()
2542 srb->msgout_buf[0] = MSG_ABORT_TAG; in msgin_qtag()
2543 srb->msg_count = 1; in msgin_qtag()
2546 return srb; in msgin_qtag()
2561 static void msgin_set_async(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in msgin_set_async() argument
2563 struct DeviceCtlBlk *dcb = srb->dcb; in msgin_set_async()
2572 srb->state &= ~SRB_DO_SYNC_NEGO; in msgin_set_async()
2576 build_wdtr(acb, dcb, srb); in msgin_set_async()
2584 static void msgin_set_sync(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in msgin_set_sync() argument
2586 struct DeviceCtlBlk *dcb = srb->dcb; in msgin_set_sync()
2591 dcb->target_id, srb->msgin_buf[3] << 2, in msgin_set_sync()
2592 (250 / srb->msgin_buf[3]), in msgin_set_sync()
2593 ((250 % srb->msgin_buf[3]) * 10) / srb->msgin_buf[3], in msgin_set_sync()
2594 srb->msgin_buf[4]); in msgin_set_sync()
2596 if (srb->msgin_buf[4] > 15) in msgin_set_sync()
2597 srb->msgin_buf[4] = 15; in msgin_set_sync()
2601 dcb->sync_offset = srb->msgin_buf[4]; in msgin_set_sync()
2602 if (srb->msgin_buf[4] > dcb->sync_offset) in msgin_set_sync()
2603 srb->msgin_buf[4] = dcb->sync_offset; in msgin_set_sync()
2605 dcb->sync_offset = srb->msgin_buf[4]; in msgin_set_sync()
2607 while (bval < 7 && (srb->msgin_buf[3] > clock_period[bval] in msgin_set_sync()
2611 if (srb->msgin_buf[3] < clock_period[bval]) in msgin_set_sync()
2615 srb->msgin_buf[3] = clock_period[bval]; in msgin_set_sync()
2618 dcb->min_nego_period = srb->msgin_buf[3]; in msgin_set_sync()
2633 if (!(srb->state & SRB_DO_SYNC_NEGO)) { in msgin_set_sync()
2636 srb->msgin_buf[3] << 2, srb->msgin_buf[4]); in msgin_set_sync()
2638 memcpy(srb->msgout_buf, srb->msgin_buf, 5); in msgin_set_sync()
2639 srb->msg_count = 5; in msgin_set_sync()
2645 build_wdtr(acb, dcb, srb); in msgin_set_sync()
2650 srb->state &= ~SRB_DO_SYNC_NEGO; in msgin_set_sync()
2658 struct ScsiReqBlk *srb) in msgin_set_nowide() argument
2660 struct DeviceCtlBlk *dcb = srb->dcb; in msgin_set_nowide()
2666 srb->state &= ~SRB_DO_WIDE_NEGO; in msgin_set_nowide()
2670 build_sdtr(acb, dcb, srb); in msgin_set_nowide()
2676 static void msgin_set_wide(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in msgin_set_wide() argument
2678 struct DeviceCtlBlk *dcb = srb->dcb; in msgin_set_wide()
2683 if (srb->msgin_buf[3] > wide) in msgin_set_wide()
2684 srb->msgin_buf[3] = wide; in msgin_set_wide()
2686 if (!(srb->state & SRB_DO_WIDE_NEGO)) { in msgin_set_wide()
2690 memcpy(srb->msgout_buf, srb->msgin_buf, 4); in msgin_set_wide()
2691 srb->msg_count = 4; in msgin_set_wide()
2692 srb->state |= SRB_DO_WIDE_NEGO; in msgin_set_wide()
2697 if (srb->msgin_buf[3] > 0) in msgin_set_wide()
2701 srb->state &= ~SRB_DO_WIDE_NEGO; in msgin_set_wide()
2705 (8 << srb->msgin_buf[3]), dcb->target_id); in msgin_set_wide()
2709 build_sdtr(acb, dcb, srb); in msgin_set_wide()
2728 static void msgin_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in msgin_phase0() argument
2732 dprintkdbg(DBG_0, "msgin_phase0: (0x%p)\n", srb->cmd); in msgin_phase0()
2734 srb->msgin_buf[acb->msg_len++] = DC395x_read8(acb, TRM_S1040_SCSI_FIFO); in msgin_phase0()
2735 if (msgin_completed(srb->msgin_buf, acb->msg_len)) { in msgin_phase0()
2737 switch (srb->msgin_buf[0]) { in msgin_phase0()
2739 srb->state = SRB_DISCONNECT; in msgin_phase0()
2745 srb = in msgin_phase0()
2747 srb->msgin_buf[1]); in msgin_phase0()
2754 if (srb->state & SRB_DO_SYNC_NEGO) { in msgin_phase0()
2755 msgin_set_async(acb, srb); in msgin_phase0()
2759 if (srb->state & SRB_DO_WIDE_NEGO) { in msgin_phase0()
2760 msgin_set_nowide(acb, srb); in msgin_phase0()
2763 enable_msgout_abort(acb, srb); in msgin_phase0()
2769 if (srb->msgin_buf[1] == 3 in msgin_phase0()
2770 && srb->msgin_buf[2] == EXTENDED_SDTR) { in msgin_phase0()
2771 msgin_set_sync(acb, srb); in msgin_phase0()
2775 if (srb->msgin_buf[1] == 2 in msgin_phase0()
2776 && srb->msgin_buf[2] == EXTENDED_WDTR in msgin_phase0()
2777 && srb->msgin_buf[3] <= 2) { /* sanity check ... */ in msgin_phase0()
2778 msgin_set_wide(acb, srb); in msgin_phase0()
2781 msgin_reject(acb, srb); in msgin_phase0()
2800 srb->cmd, srb->total_xfer_length); in msgin_phase0()
2810 srb->cmd, dcb->target_id, in msgin_phase0()
2813 enable_msgout_abort(acb, srb); in msgin_phase0()
2818 if (srb->msgin_buf[0] & IDENTIFY_BASE) { in msgin_phase0()
2820 srb->msg_count = 1; in msgin_phase0()
2821 srb->msgout_buf[0] = dcb->identify_msg; in msgin_phase0()
2823 srb->state |= SRB_MSGOUT; in msgin_phase0()
2826 msgin_reject(acb, srb); in msgin_phase0()
2830 srb->state &= ~SRB_MSGIN; in msgin_phase0()
2839 static void msgin_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in msgin_phase1() argument
2842 dprintkdbg(DBG_0, "msgin_phase1: (0x%p)\n", srb->cmd); in msgin_phase1()
2845 if (!(srb->state & SRB_MSGIN)) { in msgin_phase1()
2846 srb->state &= ~SRB_DISCONNECT; in msgin_phase1()
2847 srb->state |= SRB_MSGIN; in msgin_phase1()
2855 static void nop0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in nop0() argument
2861 static void nop1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in nop1() argument
2893 struct ScsiReqBlk *srb; in disconnect() local
2906 srb = dcb->active_srb; in disconnect()
2908 dprintkdbg(DBG_0, "disconnect: (0x%p)\n", srb->cmd); in disconnect()
2910 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in disconnect()
2913 if (srb->state & SRB_UNEXPECT_RESEL) { in disconnect()
2917 srb->state = 0; in disconnect()
2919 } else if (srb->state & SRB_ABORT_SENT) { in disconnect()
2923 doing_srb_done(acb, DID_ABORT, srb->cmd, 1); in disconnect()
2926 if ((srb->state & (SRB_START_ + SRB_MSGOUT)) in disconnect()
2927 || !(srb-> in disconnect()
2934 if (srb->state != SRB_START_ in disconnect()
2935 && srb->state != SRB_MSGOUT) { in disconnect()
2936 srb->state = SRB_READY; in disconnect()
2939 srb->cmd); in disconnect()
2940 srb->target_status = SCSI_STAT_SEL_TIMEOUT; in disconnect()
2945 "<%02i-%i> SelTO\n", srb->cmd, in disconnect()
2947 if (srb->retry_count++ > DC395x_MAX_RETRIES in disconnect()
2949 srb->target_status = in disconnect()
2953 free_tag(dcb, srb); in disconnect()
2954 list_move(&srb->list, &dcb->srb_waiting_list); in disconnect()
2957 srb->cmd); in disconnect()
2960 } else if (srb->state & SRB_DISCONNECT) { in disconnect()
2972 } else if (srb->state & SRB_COMPLETED) { in disconnect()
2977 free_tag(dcb, srb); in disconnect()
2979 srb->state = SRB_FREE; in disconnect()
2980 srb_done(acb, dcb, srb); in disconnect()
2989 struct ScsiReqBlk *srb = NULL; in reselect() local
3000 srb = dcb->active_srb; in reselect()
3001 if (!srb) { in reselect()
3011 srb->cmd, dcb->target_id, in reselect()
3017 srb->state = SRB_READY; in reselect()
3018 free_tag(dcb, srb); in reselect()
3019 list_move(&srb->list, &dcb->srb_waiting_list); in reselect()
3046 srb = acb->tmp_srb; in reselect()
3047 dcb->active_srb = srb; in reselect()
3050 srb = dcb->active_srb; in reselect()
3051 if (!srb || !(srb->state & SRB_DISCONNECT)) { in reselect()
3058 srb = acb->tmp_srb; in reselect()
3059 srb->state = SRB_UNEXPECT_RESEL; in reselect()
3060 dcb->active_srb = srb; in reselect()
3061 enable_msgout_abort(acb, srb); in reselect()
3065 enable_msgout_abort(acb, srb); in reselect()
3067 srb->state = SRB_DATA_XFER; in reselect()
3071 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in reselect()
3133 static void pci_unmap_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in pci_unmap_srb() argument
3135 struct scsi_cmnd *cmd = srb->cmd; in pci_unmap_srb()
3141 srb->sg_bus_addr, SEGMENTX_LEN); in pci_unmap_srb()
3142 dma_unmap_single(&acb->dev->dev, srb->sg_bus_addr, SEGMENTX_LEN, in pci_unmap_srb()
3154 struct ScsiReqBlk *srb) in pci_unmap_srb_sense() argument
3156 if (!(srb->flag & AUTO_REQSENSE)) in pci_unmap_srb_sense()
3160 srb->segment_x[0].address); in pci_unmap_srb_sense()
3161 dma_unmap_single(&acb->dev->dev, srb->segment_x[0].address, in pci_unmap_srb_sense()
3162 srb->segment_x[0].length, DMA_FROM_DEVICE); in pci_unmap_srb_sense()
3164 srb->total_xfer_length = srb->xferred; in pci_unmap_srb_sense()
3165 srb->segment_x[0].address = in pci_unmap_srb_sense()
3166 srb->segment_x[DC395x_MAX_SG_LISTENTRY - 1].address; in pci_unmap_srb_sense()
3167 srb->segment_x[0].length = in pci_unmap_srb_sense()
3168 srb->segment_x[DC395x_MAX_SG_LISTENTRY - 1].length; in pci_unmap_srb_sense()
3177 struct ScsiReqBlk *srb) in srb_done() argument
3180 struct scsi_cmnd *cmd = srb->cmd; in srb_done()
3184 dprintkdbg(DBG_1, "srb_done: (0x%p) <%02i-%i>\n", srb->cmd, in srb_done()
3185 srb->cmd->device->id, (u8)srb->cmd->device->lun); in srb_done()
3187 srb, scsi_sg_count(cmd), srb->sg_index, srb->sg_count, in srb_done()
3189 status = srb->target_status; in srb_done()
3190 if (srb->flag & AUTO_REQSENSE) { in srb_done()
3192 pci_unmap_srb_sense(acb, srb); in srb_done()
3196 srb->flag &= ~AUTO_REQSENSE; in srb_done()
3197 srb->adapter_status = 0; in srb_done()
3198 srb->target_status = CHECK_CONDITION << 1; in srb_done()
3251 if (srb->total_xfer_length in srb_done()
3252 && srb->total_xfer_length >= cmd->underflow) in srb_done()
3255 srb->end_message, CHECK_CONDITION); in srb_done()
3260 srb->end_message, CHECK_CONDITION); in srb_done()
3271 request_sense(acb, dcb, srb); in srb_done()
3280 free_tag(dcb, srb); in srb_done()
3281 list_move(&srb->list, &dcb->srb_waiting_list); in srb_done()
3283 srb->adapter_status = 0; in srb_done()
3284 srb->target_status = 0; in srb_done()
3287 srb->adapter_status = H_SEL_TIMEOUT; in srb_done()
3288 srb->target_status = 0; in srb_done()
3291 srb->adapter_status = 0; in srb_done()
3293 SET_RES_MSG(cmd->result, srb->end_message); in srb_done()
3301 status = srb->adapter_status; in srb_done()
3303 srb->target_status = 0; in srb_done()
3305 SET_RES_MSG(cmd->result, srb->end_message); in srb_done()
3306 } else if (srb->status & PARITY_ERROR) { in srb_done()
3308 SET_RES_MSG(cmd->result, srb->end_message); in srb_done()
3311 srb->adapter_status = 0; in srb_done()
3312 srb->target_status = 0; in srb_done()
3321 pci_unmap_srb(acb, srb); in srb_done()
3354 scsi_set_resid(cmd, srb->total_xfer_length); in srb_done()
3356 cmd->SCp.this_residual = srb->total_xfer_length; in srb_done()
3359 if (srb->total_xfer_length) in srb_done()
3363 cmd->cmnd[0], srb->total_xfer_length); in srb_done()
3366 if (srb != acb->tmp_srb) { in srb_done()
3370 list_move_tail(&srb->list, &acb->srb_free_list); in srb_done()
3388 struct ScsiReqBlk *srb; in doing_srb_done() local
3392 list_for_each_entry_safe(srb, tmp, &dcb->srb_going_list, list) { in doing_srb_done()
3396 p = srb->cmd; in doing_srb_done()
3401 list_del(&srb->list); in doing_srb_done()
3402 free_tag(dcb, srb); in doing_srb_done()
3403 list_add_tail(&srb->list, &acb->srb_free_list); in doing_srb_done()
3405 pci_unmap_srb_sense(acb, srb); in doing_srb_done()
3406 pci_unmap_srb(acb, srb); in doing_srb_done()
3424 list_for_each_entry_safe(srb, tmp, &dcb->srb_waiting_list, list) { in doing_srb_done()
3426 p = srb->cmd; in doing_srb_done()
3431 list_move_tail(&srb->list, &acb->srb_free_list); in doing_srb_done()
3433 pci_unmap_srb_sense(acb, srb); in doing_srb_done()
3434 pci_unmap_srb(acb, srb); in doing_srb_done()
3534 struct ScsiReqBlk *srb) in request_sense() argument
3536 struct scsi_cmnd *cmd = srb->cmd; in request_sense()
3540 srb->flag |= AUTO_REQSENSE; in request_sense()
3541 srb->adapter_status = 0; in request_sense()
3542 srb->target_status = 0; in request_sense()
3548 srb->segment_x[DC395x_MAX_SG_LISTENTRY - 1].address = in request_sense()
3549 srb->segment_x[0].address; in request_sense()
3550 srb->segment_x[DC395x_MAX_SG_LISTENTRY - 1].length = in request_sense()
3551 srb->segment_x[0].length; in request_sense()
3552 srb->xferred = srb->total_xfer_length; in request_sense()
3554 srb->total_xfer_length = SCSI_SENSE_BUFFERSIZE; in request_sense()
3555 srb->segment_x[0].length = SCSI_SENSE_BUFFERSIZE; in request_sense()
3557 srb->segment_x[0].address = dma_map_single(&acb->dev->dev, in request_sense()
3561 cmd->sense_buffer, srb->segment_x[0].address, in request_sense()
3563 srb->sg_count = 1; in request_sense()
3564 srb->sg_index = 0; in request_sense()
3566 if (start_scsi(acb, dcb, srb)) { /* Should only happen, if sb. else grabs the bus */ in request_sense()
3569 srb->cmd, dcb->target_id, dcb->target_lun); in request_sense()
3570 list_move(&srb->list, &dcb->srb_waiting_list); in request_sense()
4158 acb->srb.segment_x = in adapter_sg_tables_alloc()
4235 acb->tmp_srb = &acb->srb; in adapter_init_params()
4559 struct ScsiReqBlk *srb; in dc395x_show_info() local
4564 list_for_each_entry(srb, &dcb->srb_waiting_list, list) in dc395x_show_info()
4565 seq_printf(m, " %p", srb->cmd); in dc395x_show_info()
4570 list_for_each_entry(srb, &dcb->srb_going_list, list) in dc395x_show_info()
4571 seq_printf(m, " %p", srb->cmd); in dc395x_show_info()