Lines Matching refs:srb
319 struct ScsiReqBlk srb; member
328 static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
330 static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
332 static void command_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
334 static void status_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
336 static void msgout_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
338 static void msgin_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
340 static void data_out_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
342 static void data_in_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
344 static void command_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
346 static void status_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
348 static void msgout_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
350 static void msgin_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
352 static void nop0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
354 static void nop1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
358 struct ScsiReqBlk *srb);
361 struct ScsiReqBlk *srb, u16 io_dir);
365 struct ScsiReqBlk *srb);
367 struct ScsiReqBlk *srb);
369 struct ScsiReqBlk *srb);
373 static void pci_unmap_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb);
375 struct ScsiReqBlk *srb);
377 struct ScsiReqBlk *srb);
379 struct ScsiReqBlk *srb);
720 static void free_tag(struct DeviceCtlBlk *dcb, struct ScsiReqBlk *srb) in free_tag() argument
722 if (srb->tag_number < 255) { in free_tag()
723 dcb->tag_mask &= ~(1 << srb->tag_number); /* free tag mask */ in free_tag()
724 srb->tag_number = 255; in free_tag()
760 struct ScsiReqBlk *srb; in waiting_process_next() local
806 srb = list_entry(waiting_list_head->next, in waiting_process_next()
810 if (!start_scsi(acb, pos, srb)) in waiting_process_next()
811 list_move(&srb->list, &pos->srb_going_list); in waiting_process_next()
841 static void send_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in send_srb() argument
843 struct DeviceCtlBlk *dcb = srb->dcb; in send_srb()
848 list_add_tail(&srb->list, &dcb->srb_waiting_list); in send_srb()
853 if (!start_scsi(acb, dcb, srb)) { in send_srb()
854 list_add_tail(&srb->list, &dcb->srb_going_list); in send_srb()
856 list_add(&srb->list, &dcb->srb_waiting_list); in send_srb()
863 struct ScsiReqBlk *srb) in build_srb() argument
870 srb->dcb = dcb; in build_srb()
871 srb->cmd = cmd; in build_srb()
872 srb->sg_count = 0; in build_srb()
873 srb->total_xfer_length = 0; in build_srb()
874 srb->sg_bus_addr = 0; in build_srb()
875 srb->sg_index = 0; in build_srb()
876 srb->adapter_status = 0; in build_srb()
877 srb->target_status = 0; in build_srb()
878 srb->msg_count = 0; in build_srb()
879 srb->status = 0; in build_srb()
880 srb->flag = 0; in build_srb()
881 srb->state = 0; in build_srb()
882 srb->retry_count = 0; in build_srb()
883 srb->tag_number = TAG_NONE; in build_srb()
884 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in build_srb()
885 srb->end_message = 0; in build_srb()
894 srb->segment_x[0].address); in build_srb()
899 struct SGentry *sgp = srb->segment_x; in build_srb()
901 srb->sg_count = nseg; in build_srb()
906 srb->sg_count); in build_srb()
908 scsi_for_each_sg(cmd, sg, srb->sg_count, i) { in build_srb()
913 srb->total_xfer_length += seglen; in build_srb()
915 sgp += srb->sg_count - 1; in build_srb()
921 if (srb->total_xfer_length > reqlen) { in build_srb()
922 sgp->length -= (srb->total_xfer_length - reqlen); in build_srb()
923 srb->total_xfer_length = reqlen; in build_srb()
928 srb->total_xfer_length % 2) { in build_srb()
929 srb->total_xfer_length++; in build_srb()
933 srb->sg_bus_addr = dma_map_single(&dcb->acb->dev->dev, in build_srb()
934 srb->segment_x, SEGMENTX_LEN, DMA_TO_DEVICE); in build_srb()
937 srb->segment_x, srb->sg_bus_addr, SEGMENTX_LEN); in build_srb()
940 srb->request_length = srb->total_xfer_length; in build_srb()
967 struct ScsiReqBlk *srb; in dc395x_queue_command_lck() local
1002 srb = list_first_entry_or_null(&acb->srb_free_list, in dc395x_queue_command_lck()
1004 if (!srb) { in dc395x_queue_command_lck()
1012 list_del(&srb->list); in dc395x_queue_command_lck()
1014 build_srb(cmd, dcb, srb); in dc395x_queue_command_lck()
1018 list_add_tail(&srb->list, &dcb->srb_waiting_list); in dc395x_queue_command_lck()
1022 send_srb(acb, srb); in dc395x_queue_command_lck()
1041 struct DeviceCtlBlk *dcb, struct ScsiReqBlk *srb) in DEF_SCSI_QCMD()
1048 if (!srb && dcb) in DEF_SCSI_QCMD()
1049 srb = dcb->active_srb; in DEF_SCSI_QCMD()
1050 if (srb) { in DEF_SCSI_QCMD()
1051 if (!srb->cmd) in DEF_SCSI_QCMD()
1053 srb, srb->cmd); in DEF_SCSI_QCMD()
1057 srb, srb->cmd, in DEF_SCSI_QCMD()
1058 srb->cmd->cmnd[0], srb->cmd->device->id, in DEF_SCSI_QCMD()
1059 (u8)srb->cmd->device->lun); in DEF_SCSI_QCMD()
1061 srb->segment_x, srb->sg_count, srb->sg_index, in DEF_SCSI_QCMD()
1062 srb->total_xfer_length); in DEF_SCSI_QCMD()
1064 srb->state, srb->status, srb->scsi_phase, in DEF_SCSI_QCMD()
1219 struct ScsiReqBlk *srb; in dc395x_eh_abort() local
1229 srb = find_cmd(cmd, &dcb->srb_waiting_list); in dc395x_eh_abort()
1230 if (srb) { in dc395x_eh_abort()
1231 list_del(&srb->list); in dc395x_eh_abort()
1232 pci_unmap_srb_sense(acb, srb); in dc395x_eh_abort()
1233 pci_unmap_srb(acb, srb); in dc395x_eh_abort()
1234 free_tag(dcb, srb); in dc395x_eh_abort()
1235 list_add_tail(&srb->list, &acb->srb_free_list); in dc395x_eh_abort()
1240 srb = find_cmd(cmd, &dcb->srb_going_list); in dc395x_eh_abort()
1241 if (srb) { in dc395x_eh_abort()
1253 struct ScsiReqBlk *srb) in build_sdtr() argument
1255 u8 *ptr = srb->msgout_buf + srb->msg_count; in build_sdtr()
1256 if (srb->msg_count > 1) { in build_sdtr()
1259 srb->msg_count, srb->msgout_buf[0], in build_sdtr()
1260 srb->msgout_buf[1]); in build_sdtr()
1269 srb->msg_count += spi_populate_sync_msg(ptr, dcb->min_nego_period, in build_sdtr()
1271 srb->state |= SRB_DO_SYNC_NEGO; in build_sdtr()
1277 struct ScsiReqBlk *srb) in build_wdtr() argument
1281 u8 *ptr = srb->msgout_buf + srb->msg_count; in build_wdtr()
1282 if (srb->msg_count > 1) { in build_wdtr()
1285 srb->msg_count, srb->msgout_buf[0], in build_wdtr()
1286 srb->msgout_buf[1]); in build_wdtr()
1289 srb->msg_count += spi_populate_width_msg(ptr, wide); in build_wdtr()
1290 srb->state |= SRB_DO_WIDE_NEGO; in build_wdtr()
1319 struct ScsiReqBlk *srb;
1326 srb = acb->active_dcb->active_srb;
1334 struct ScsiReqBlk* srb) in start_scsi() argument
1340 dcb->target_id, dcb->target_lun, srb); in start_scsi()
1342 srb->tag_number = TAG_NONE; /* acb->tag_max_num: had error read in eeprom */ in start_scsi()
1368 srb->cmd, in start_scsi()
1374 dprintkdbg(DBG_KG, "start_scsi: (0x%p) Failed (busy)\n", srb->cmd); in start_scsi()
1390 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in start_scsi()
1395 if (srb->flag & AUTO_REQSENSE) in start_scsi()
1398 if (((srb->cmd->cmnd[0] == INQUIRY) in start_scsi()
1399 || (srb->cmd->cmnd[0] == REQUEST_SENSE) in start_scsi()
1400 || (srb->flag & AUTO_REQSENSE)) in start_scsi()
1406 srb->msgout_buf[0] = identify_message; in start_scsi()
1407 srb->msg_count = 1; in start_scsi()
1409 srb->state = SRB_MSGOUT; in start_scsi()
1413 build_wdtr(acb, dcb, srb); in start_scsi()
1419 build_sdtr(acb, dcb, srb); in start_scsi()
1424 build_wdtr(acb, dcb, srb); in start_scsi()
1427 srb->msg_count = 0; in start_scsi()
1433 srb->state = SRB_START_; in start_scsi()
1448 srb->cmd, srb->cmd->device->id, in start_scsi()
1449 (u8)srb->cmd->device->lun); in start_scsi()
1450 srb->state = SRB_READY; in start_scsi()
1459 srb->tag_number = tag_number; in start_scsi()
1461 srb->state = SRB_START_; in start_scsi()
1467 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun, in start_scsi()
1468 srb->cmd->cmnd[0], srb->tag_number); in start_scsi()
1469 if (srb->flag & AUTO_REQSENSE) { in start_scsi()
1477 ptr = (u8 *)srb->cmd->cmnd; in start_scsi()
1478 for (i = 0; i < srb->cmd->cmd_len; i++) in start_scsi()
1491 srb->cmd, dcb->target_id, dcb->target_lun); in start_scsi()
1492 srb->state = SRB_READY; in start_scsi()
1493 free_tag(dcb, srb); in start_scsi()
1494 srb->msg_count = 0; in start_scsi()
1502 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in start_scsi()
1503 dcb->active_srb = srb; in start_scsi()
1518 srb->state |= SRB_MSGOUT
1523 struct ScsiReqBlk *srb) in enable_msgout_abort() argument
1525 srb->msgout_buf[0] = ABORT; in enable_msgout_abort()
1526 srb->msg_count = 1; in enable_msgout_abort()
1528 srb->state &= ~SRB_MSGIN; in enable_msgout_abort()
1529 srb->state |= SRB_MSGOUT; in enable_msgout_abort()
1544 struct ScsiReqBlk *srb; in dc395x_handle_interrupt() local
1591 srb = dcb->active_srb; in dc395x_handle_interrupt()
1594 enable_msgout_abort(acb, srb); in dc395x_handle_interrupt()
1598 phase = (u16)srb->scsi_phase; in dc395x_handle_interrupt()
1614 dc395x_statev(acb, srb, &scsi_status); in dc395x_handle_interrupt()
1621 srb->scsi_phase = scsi_status & PHASEMASK; in dc395x_handle_interrupt()
1637 dc395x_statev(acb, srb, &scsi_status); in dc395x_handle_interrupt()
1683 static void msgout_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in msgout_phase0() argument
1686 dprintkdbg(DBG_0, "msgout_phase0: (0x%p)\n", srb->cmd); in msgout_phase0()
1687 if (srb->state & (SRB_UNEXPECT_RESEL + SRB_ABORT_SENT)) in msgout_phase0()
1691 srb->state &= ~SRB_MSGOUT; in msgout_phase0()
1695 static void msgout_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in msgout_phase1() argument
1700 dprintkdbg(DBG_0, "msgout_phase1: (0x%p)\n", srb->cmd); in msgout_phase1()
1703 if (!(srb->state & SRB_MSGOUT)) { in msgout_phase1()
1704 srb->state |= SRB_MSGOUT; in msgout_phase1()
1707 srb->cmd); /* So what ? */ in msgout_phase1()
1709 if (!srb->msg_count) { in msgout_phase1()
1711 srb->cmd); in msgout_phase1()
1718 ptr = (u8 *)srb->msgout_buf; in msgout_phase1()
1719 for (i = 0; i < srb->msg_count; i++) in msgout_phase1()
1721 srb->msg_count = 0; in msgout_phase1()
1722 if (srb->msgout_buf[0] == ABORT_TASK_SET) in msgout_phase1()
1723 srb->state = SRB_ABORT_SENT; in msgout_phase1()
1729 static void command_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in command_phase0() argument
1732 dprintkdbg(DBG_0, "command_phase0: (0x%p)\n", srb->cmd); in command_phase0()
1737 static void command_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in command_phase1() argument
1743 dprintkdbg(DBG_0, "command_phase1: (0x%p)\n", srb->cmd); in command_phase1()
1747 if (!(srb->flag & AUTO_REQSENSE)) { in command_phase1()
1748 ptr = (u8 *)srb->cmd->cmnd; in command_phase1()
1749 for (i = 0; i < srb->cmd->cmd_len; i++) { in command_phase1()
1763 srb->state |= SRB_COMMAND; in command_phase1()
1775 static void sg_verify_length(struct ScsiReqBlk *srb) in sg_verify_length() argument
1779 unsigned idx = srb->sg_index; in sg_verify_length()
1780 struct SGentry *psge = srb->segment_x + idx; in sg_verify_length()
1781 for (; idx < srb->sg_count; psge++, idx++) in sg_verify_length()
1783 if (len != srb->total_xfer_length) in sg_verify_length()
1786 srb->total_xfer_length, len); in sg_verify_length()
1795 static void sg_update_list(struct ScsiReqBlk *srb, u32 left) in sg_update_list() argument
1798 u32 xferred = srb->total_xfer_length - left; /* bytes transferred */ in sg_update_list()
1799 struct SGentry *psge = srb->segment_x + srb->sg_index; in sg_update_list()
1803 xferred, srb->total_xfer_length, left); in sg_update_list()
1809 sg_verify_length(srb); in sg_update_list()
1810 srb->total_xfer_length = left; /* update remaining count */ in sg_update_list()
1811 for (idx = srb->sg_index; idx < srb->sg_count; idx++) { in sg_update_list()
1817 dma_sync_single_for_cpu(&srb->dcb->acb->dev->dev, in sg_update_list()
1818 srb->sg_bus_addr, SEGMENTX_LEN, in sg_update_list()
1822 srb->sg_index = idx; in sg_update_list()
1823 dma_sync_single_for_device(&srb->dcb->acb->dev->dev, in sg_update_list()
1824 srb->sg_bus_addr, SEGMENTX_LEN, in sg_update_list()
1830 sg_verify_length(srb); in sg_update_list()
1840 static void sg_subtract_one(struct ScsiReqBlk *srb) in sg_subtract_one() argument
1842 sg_update_list(srb, srb->total_xfer_length - 1); in sg_subtract_one()
1855 struct ScsiReqBlk *srb) in cleanup_after_transfer() argument
1880 static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in data_out_phase0() argument
1883 struct DeviceCtlBlk *dcb = srb->dcb; in data_out_phase0()
1887 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in data_out_phase0()
1908 srb->total_xfer_length); in data_out_phase0()
1911 if (!(srb->state & SRB_XFERPAD)) { in data_out_phase0()
1913 srb->status |= PARITY_ERROR; in data_out_phase0()
1952 if (srb->total_xfer_length > DC395x_LASTPIO) in data_out_phase0()
1960 && scsi_bufflen(srb->cmd) % 2) { in data_out_phase0()
1977 srb->total_xfer_length = 0; in data_out_phase0()
1985 srb->total_xfer_length - d_left_counter; in data_out_phase0()
1988 sg_update_list(srb, d_left_counter); in data_out_phase0()
1990 if ((srb->segment_x[srb->sg_index].length == in data_out_phase0()
1991 diff && scsi_sg_count(srb->cmd)) in data_out_phase0()
1998 srb->total_xfer_length - diff; in data_out_phase0()
1999 sg_update_list(srb, d_left_counter); in data_out_phase0()
2008 cleanup_after_transfer(acb, srb); in data_out_phase0()
2013 static void data_out_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in data_out_phase1() argument
2017 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in data_out_phase1()
2020 data_io_transfer(acb, srb, XFERDATAOUT); in data_out_phase1()
2023 static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in data_in_phase0() argument
2029 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in data_in_phase0()
2044 if (!(srb->state & SRB_XFERPAD)) { in data_in_phase0()
2050 "Parity Error\n", srb->cmd); in data_in_phase0()
2051 srb->status |= PARITY_ERROR; in data_in_phase0()
2087 << ((srb->dcb->sync_period & WIDE_SYNC) ? 1 : in data_in_phase0()
2094 (srb->dcb->sync_period & WIDE_SYNC) ? "words" : "bytes", in data_in_phase0()
2099 srb->total_xfer_length, d_left_counter); in data_in_phase0()
2103 && srb->total_xfer_length <= DC395x_LASTPIO) { in data_in_phase0()
2104 size_t left_io = srb->total_xfer_length; in data_in_phase0()
2111 (srb->dcb->sync_period & WIDE_SYNC) ? in data_in_phase0()
2113 srb->total_xfer_length); in data_in_phase0()
2114 if (srb->dcb->sync_period & WIDE_SYNC) in data_in_phase0()
2121 size_t offset = srb->request_length - left_io; in data_in_phase0()
2126 base = scsi_kmap_atomic_sg(scsi_sglist(srb->cmd), in data_in_phase0()
2127 srb->sg_count, &offset, &len); in data_in_phase0()
2141 sg_subtract_one(srb); in data_in_phase0()
2155 if (fc == 0x40 && (srb->dcb->sync_period & WIDE_SYNC)) { in data_in_phase0()
2157 if (srb->total_xfer_length > 0) { in data_in_phase0()
2161 srb->total_xfer_length--; in data_in_phase0()
2192 if (srb->dcb->sync_period & WIDE_SYNC) in data_in_phase0()
2214 srb->total_xfer_length = 0; in data_in_phase0()
2216 srb->total_xfer_length = d_left_counter; in data_in_phase0()
2226 sg_update_list(srb, d_left_counter); in data_in_phase0()
2231 cleanup_after_transfer(acb, srb); in data_in_phase0()
2236 static void data_in_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in data_in_phase1() argument
2240 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in data_in_phase1()
2241 data_io_transfer(acb, srb, XFERDATAIN); in data_in_phase1()
2246 struct ScsiReqBlk *srb, u16 io_dir) in data_io_transfer() argument
2248 struct DeviceCtlBlk *dcb = srb->dcb; in data_io_transfer()
2252 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun, in data_io_transfer()
2254 srb->total_xfer_length, srb->sg_index, srb->sg_count); in data_io_transfer()
2255 if (srb == acb->tmp_srb) in data_io_transfer()
2257 if (srb->sg_index >= srb->sg_count) { in data_io_transfer()
2262 if (srb->total_xfer_length > DC395x_LASTPIO) { in data_io_transfer()
2271 dump_register_info(acb, dcb, srb); in data_io_transfer()
2279 srb->state |= SRB_DATA_XFER; in data_io_transfer()
2281 if (scsi_sg_count(srb->cmd)) { /* with S/G */ in data_io_transfer()
2284 srb->sg_bus_addr + in data_io_transfer()
2286 srb->sg_index); in data_io_transfer()
2289 ((u32)(srb->sg_count - in data_io_transfer()
2290 srb->sg_index) << 3)); in data_io_transfer()
2294 srb->segment_x[0].address); in data_io_transfer()
2296 srb->segment_x[0].length); in data_io_transfer()
2300 srb->total_xfer_length); in data_io_transfer()
2314 else if (srb->total_xfer_length > 0) { /* The last four bytes: Do PIO */ in data_io_transfer()
2319 srb->state |= SRB_DATA_XFER; in data_io_transfer()
2322 srb->total_xfer_length); in data_io_transfer()
2328 int ln = srb->total_xfer_length; in data_io_transfer()
2329 size_t left_io = srb->total_xfer_length; in data_io_transfer()
2331 if (srb->dcb->sync_period & WIDE_SYNC) in data_io_transfer()
2339 size_t offset = srb->request_length - left_io; in data_io_transfer()
2343 base = scsi_kmap_atomic_sg(scsi_sglist(srb->cmd), in data_io_transfer()
2344 srb->sg_count, &offset, &len); in data_io_transfer()
2355 sg_subtract_one(srb); in data_io_transfer()
2361 if (srb->dcb->sync_period & WIDE_SYNC) { in data_io_transfer()
2378 if (srb->sg_count) { in data_io_transfer()
2379 srb->adapter_status = H_OVER_UNDER_RUN; in data_io_transfer()
2380 srb->status |= OVER_RUN; in data_io_transfer()
2411 srb->state |= SRB_XFERPAD; in data_io_transfer()
2420 static void status_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in status_phase0() argument
2424 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in status_phase0()
2425 srb->target_status = DC395x_read8(acb, TRM_S1040_SCSI_FIFO); in status_phase0()
2426 srb->end_message = DC395x_read8(acb, TRM_S1040_SCSI_FIFO); /* get message */ in status_phase0()
2427 srb->state = SRB_COMPLETED; in status_phase0()
2434 static void status_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in status_phase1() argument
2438 srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun); in status_phase1()
2439 srb->state = SRB_STATUS; in status_phase1()
2461 struct ScsiReqBlk *srb) in msgin_reject() argument
2463 srb->msgout_buf[0] = MESSAGE_REJECT; in msgin_reject()
2464 srb->msg_count = 1; in msgin_reject()
2466 srb->state &= ~SRB_MSGIN; in msgin_reject()
2467 srb->state |= SRB_MSGOUT; in msgin_reject()
2469 srb->msgin_buf[0], in msgin_reject()
2470 srb->dcb->target_id, srb->dcb->target_lun); in msgin_reject()
2477 struct ScsiReqBlk *srb = NULL; in msgin_qtag() local
2480 srb->cmd, tag, srb); in msgin_qtag()
2491 srb = i; in msgin_qtag()
2495 if (!srb) in msgin_qtag()
2499 srb->cmd, srb->dcb->target_id, srb->dcb->target_lun); in msgin_qtag()
2502 enable_msgout_abort(acb, srb); in msgin_qtag()
2505 if (!(srb->state & SRB_DISCONNECT)) in msgin_qtag()
2508 memcpy(srb->msgin_buf, dcb->active_srb->msgin_buf, acb->msg_len); in msgin_qtag()
2509 srb->state |= dcb->active_srb->state; in msgin_qtag()
2510 srb->state |= SRB_DATA_XFER; in msgin_qtag()
2511 dcb->active_srb = srb; in msgin_qtag()
2513 return srb; in msgin_qtag()
2516 srb = acb->tmp_srb; in msgin_qtag()
2517 srb->state = SRB_UNEXPECT_RESEL; in msgin_qtag()
2518 dcb->active_srb = srb; in msgin_qtag()
2519 srb->msgout_buf[0] = ABORT_TASK; in msgin_qtag()
2520 srb->msg_count = 1; in msgin_qtag()
2523 return srb; in msgin_qtag()
2538 static void msgin_set_async(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in msgin_set_async() argument
2540 struct DeviceCtlBlk *dcb = srb->dcb; in msgin_set_async()
2549 srb->state &= ~SRB_DO_SYNC_NEGO; in msgin_set_async()
2553 build_wdtr(acb, dcb, srb); in msgin_set_async()
2561 static void msgin_set_sync(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in msgin_set_sync() argument
2563 struct DeviceCtlBlk *dcb = srb->dcb; in msgin_set_sync()
2568 dcb->target_id, srb->msgin_buf[3] << 2, in msgin_set_sync()
2569 (250 / srb->msgin_buf[3]), in msgin_set_sync()
2570 ((250 % srb->msgin_buf[3]) * 10) / srb->msgin_buf[3], in msgin_set_sync()
2571 srb->msgin_buf[4]); in msgin_set_sync()
2573 if (srb->msgin_buf[4] > 15) in msgin_set_sync()
2574 srb->msgin_buf[4] = 15; in msgin_set_sync()
2578 dcb->sync_offset = srb->msgin_buf[4]; in msgin_set_sync()
2579 if (srb->msgin_buf[4] > dcb->sync_offset) in msgin_set_sync()
2580 srb->msgin_buf[4] = dcb->sync_offset; in msgin_set_sync()
2582 dcb->sync_offset = srb->msgin_buf[4]; in msgin_set_sync()
2584 while (bval < 7 && (srb->msgin_buf[3] > clock_period[bval] in msgin_set_sync()
2588 if (srb->msgin_buf[3] < clock_period[bval]) in msgin_set_sync()
2592 srb->msgin_buf[3] = clock_period[bval]; in msgin_set_sync()
2595 dcb->min_nego_period = srb->msgin_buf[3]; in msgin_set_sync()
2610 if (!(srb->state & SRB_DO_SYNC_NEGO)) { in msgin_set_sync()
2613 srb->msgin_buf[3] << 2, srb->msgin_buf[4]); in msgin_set_sync()
2615 memcpy(srb->msgout_buf, srb->msgin_buf, 5); in msgin_set_sync()
2616 srb->msg_count = 5; in msgin_set_sync()
2622 build_wdtr(acb, dcb, srb); in msgin_set_sync()
2627 srb->state &= ~SRB_DO_SYNC_NEGO; in msgin_set_sync()
2635 struct ScsiReqBlk *srb) in msgin_set_nowide() argument
2637 struct DeviceCtlBlk *dcb = srb->dcb; in msgin_set_nowide()
2643 srb->state &= ~SRB_DO_WIDE_NEGO; in msgin_set_nowide()
2647 build_sdtr(acb, dcb, srb); in msgin_set_nowide()
2653 static void msgin_set_wide(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in msgin_set_wide() argument
2655 struct DeviceCtlBlk *dcb = srb->dcb; in msgin_set_wide()
2660 if (srb->msgin_buf[3] > wide) in msgin_set_wide()
2661 srb->msgin_buf[3] = wide; in msgin_set_wide()
2663 if (!(srb->state & SRB_DO_WIDE_NEGO)) { in msgin_set_wide()
2667 memcpy(srb->msgout_buf, srb->msgin_buf, 4); in msgin_set_wide()
2668 srb->msg_count = 4; in msgin_set_wide()
2669 srb->state |= SRB_DO_WIDE_NEGO; in msgin_set_wide()
2674 if (srb->msgin_buf[3] > 0) in msgin_set_wide()
2678 srb->state &= ~SRB_DO_WIDE_NEGO; in msgin_set_wide()
2682 (8 << srb->msgin_buf[3]), dcb->target_id); in msgin_set_wide()
2686 build_sdtr(acb, dcb, srb); in msgin_set_wide()
2705 static void msgin_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in msgin_phase0() argument
2709 dprintkdbg(DBG_0, "msgin_phase0: (0x%p)\n", srb->cmd); in msgin_phase0()
2711 srb->msgin_buf[acb->msg_len++] = DC395x_read8(acb, TRM_S1040_SCSI_FIFO); in msgin_phase0()
2712 if (msgin_completed(srb->msgin_buf, acb->msg_len)) { in msgin_phase0()
2714 switch (srb->msgin_buf[0]) { in msgin_phase0()
2716 srb->state = SRB_DISCONNECT; in msgin_phase0()
2722 srb = in msgin_phase0()
2724 srb->msgin_buf[1]); in msgin_phase0()
2731 if (srb->state & SRB_DO_SYNC_NEGO) { in msgin_phase0()
2732 msgin_set_async(acb, srb); in msgin_phase0()
2736 if (srb->state & SRB_DO_WIDE_NEGO) { in msgin_phase0()
2737 msgin_set_nowide(acb, srb); in msgin_phase0()
2740 enable_msgout_abort(acb, srb); in msgin_phase0()
2746 if (srb->msgin_buf[1] == 3 in msgin_phase0()
2747 && srb->msgin_buf[2] == EXTENDED_SDTR) { in msgin_phase0()
2748 msgin_set_sync(acb, srb); in msgin_phase0()
2752 if (srb->msgin_buf[1] == 2 in msgin_phase0()
2753 && srb->msgin_buf[2] == EXTENDED_WDTR in msgin_phase0()
2754 && srb->msgin_buf[3] <= 2) { /* sanity check ... */ in msgin_phase0()
2755 msgin_set_wide(acb, srb); in msgin_phase0()
2758 msgin_reject(acb, srb); in msgin_phase0()
2777 srb->cmd, srb->total_xfer_length); in msgin_phase0()
2787 srb->cmd, dcb->target_id, in msgin_phase0()
2790 enable_msgout_abort(acb, srb); in msgin_phase0()
2795 if (srb->msgin_buf[0] & IDENTIFY_BASE) { in msgin_phase0()
2797 srb->msg_count = 1; in msgin_phase0()
2798 srb->msgout_buf[0] = dcb->identify_msg; in msgin_phase0()
2800 srb->state |= SRB_MSGOUT; in msgin_phase0()
2803 msgin_reject(acb, srb); in msgin_phase0()
2807 srb->state &= ~SRB_MSGIN; in msgin_phase0()
2816 static void msgin_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in msgin_phase1() argument
2819 dprintkdbg(DBG_0, "msgin_phase1: (0x%p)\n", srb->cmd); in msgin_phase1()
2822 if (!(srb->state & SRB_MSGIN)) { in msgin_phase1()
2823 srb->state &= ~SRB_DISCONNECT; in msgin_phase1()
2824 srb->state |= SRB_MSGIN; in msgin_phase1()
2832 static void nop0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in nop0() argument
2838 static void nop1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, in nop1() argument
2870 struct ScsiReqBlk *srb; in disconnect() local
2883 srb = dcb->active_srb; in disconnect()
2885 dprintkdbg(DBG_0, "disconnect: (0x%p)\n", srb->cmd); in disconnect()
2887 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in disconnect()
2890 if (srb->state & SRB_UNEXPECT_RESEL) { in disconnect()
2894 srb->state = 0; in disconnect()
2896 } else if (srb->state & SRB_ABORT_SENT) { in disconnect()
2900 doing_srb_done(acb, DID_ABORT, srb->cmd, 1); in disconnect()
2903 if ((srb->state & (SRB_START_ + SRB_MSGOUT)) in disconnect()
2904 || !(srb-> in disconnect()
2911 if (srb->state != SRB_START_ in disconnect()
2912 && srb->state != SRB_MSGOUT) { in disconnect()
2913 srb->state = SRB_READY; in disconnect()
2916 srb->cmd); in disconnect()
2917 srb->target_status = SCSI_STAT_SEL_TIMEOUT; in disconnect()
2922 "<%02i-%i> SelTO\n", srb->cmd, in disconnect()
2924 if (srb->retry_count++ > DC395x_MAX_RETRIES in disconnect()
2926 srb->target_status = in disconnect()
2930 free_tag(dcb, srb); in disconnect()
2931 list_move(&srb->list, &dcb->srb_waiting_list); in disconnect()
2934 srb->cmd); in disconnect()
2937 } else if (srb->state & SRB_DISCONNECT) { in disconnect()
2949 } else if (srb->state & SRB_COMPLETED) { in disconnect()
2954 free_tag(dcb, srb); in disconnect()
2956 srb->state = SRB_FREE; in disconnect()
2957 srb_done(acb, dcb, srb); in disconnect()
2966 struct ScsiReqBlk *srb = NULL; in reselect() local
2976 srb = dcb->active_srb; in reselect()
2977 if (!srb) { in reselect()
2987 srb->cmd, dcb->target_id, in reselect()
2992 srb->state = SRB_READY; in reselect()
2993 free_tag(dcb, srb); in reselect()
2994 list_move(&srb->list, &dcb->srb_waiting_list); in reselect()
3021 srb = acb->tmp_srb; in reselect()
3022 dcb->active_srb = srb; in reselect()
3025 srb = dcb->active_srb; in reselect()
3026 if (!srb || !(srb->state & SRB_DISCONNECT)) { in reselect()
3033 srb = acb->tmp_srb; in reselect()
3034 srb->state = SRB_UNEXPECT_RESEL; in reselect()
3035 dcb->active_srb = srb; in reselect()
3036 enable_msgout_abort(acb, srb); in reselect()
3040 enable_msgout_abort(acb, srb); in reselect()
3042 srb->state = SRB_DATA_XFER; in reselect()
3046 srb->scsi_phase = PH_BUS_FREE; /* initial phase */ in reselect()
3108 static void pci_unmap_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb) in pci_unmap_srb() argument
3110 struct scsi_cmnd *cmd = srb->cmd; in pci_unmap_srb()
3116 srb->sg_bus_addr, SEGMENTX_LEN); in pci_unmap_srb()
3117 dma_unmap_single(&acb->dev->dev, srb->sg_bus_addr, SEGMENTX_LEN, in pci_unmap_srb()
3129 struct ScsiReqBlk *srb) in pci_unmap_srb_sense() argument
3131 if (!(srb->flag & AUTO_REQSENSE)) in pci_unmap_srb_sense()
3135 srb->segment_x[0].address); in pci_unmap_srb_sense()
3136 dma_unmap_single(&acb->dev->dev, srb->segment_x[0].address, in pci_unmap_srb_sense()
3137 srb->segment_x[0].length, DMA_FROM_DEVICE); in pci_unmap_srb_sense()
3139 srb->total_xfer_length = srb->xferred; in pci_unmap_srb_sense()
3140 srb->segment_x[0].address = in pci_unmap_srb_sense()
3141 srb->segment_x[DC395x_MAX_SG_LISTENTRY - 1].address; in pci_unmap_srb_sense()
3142 srb->segment_x[0].length = in pci_unmap_srb_sense()
3143 srb->segment_x[DC395x_MAX_SG_LISTENTRY - 1].length; in pci_unmap_srb_sense()
3152 struct ScsiReqBlk *srb) in srb_done() argument
3155 struct scsi_cmnd *cmd = srb->cmd; in srb_done()
3159 dprintkdbg(DBG_1, "srb_done: (0x%p) <%02i-%i>\n", srb->cmd, in srb_done()
3160 srb->cmd->device->id, (u8)srb->cmd->device->lun); in srb_done()
3162 srb, scsi_sg_count(cmd), srb->sg_index, srb->sg_count, in srb_done()
3164 status = srb->target_status; in srb_done()
3167 if (srb->flag & AUTO_REQSENSE) { in srb_done()
3169 pci_unmap_srb_sense(acb, srb); in srb_done()
3173 srb->flag &= ~AUTO_REQSENSE; in srb_done()
3174 srb->adapter_status = 0; in srb_done()
3175 srb->target_status = SAM_STAT_CHECK_CONDITION; in srb_done()
3239 request_sense(acb, dcb, srb); in srb_done()
3248 free_tag(dcb, srb); in srb_done()
3249 list_move(&srb->list, &dcb->srb_waiting_list); in srb_done()
3251 srb->adapter_status = 0; in srb_done()
3252 srb->target_status = 0; in srb_done()
3255 srb->adapter_status = H_SEL_TIMEOUT; in srb_done()
3256 srb->target_status = 0; in srb_done()
3259 srb->adapter_status = 0; in srb_done()
3267 status = srb->adapter_status; in srb_done()
3269 srb->target_status = 0; in srb_done()
3270 scsi_msg_to_host_byte(cmd, srb->end_message); in srb_done()
3271 } else if (srb->status & PARITY_ERROR) { in srb_done()
3275 srb->adapter_status = 0; in srb_done()
3276 srb->target_status = 0; in srb_done()
3284 pci_unmap_srb(acb, srb); in srb_done()
3317 scsi_set_resid(cmd, srb->total_xfer_length); in srb_done()
3319 cmd->SCp.this_residual = srb->total_xfer_length; in srb_done()
3322 if (srb->total_xfer_length) in srb_done()
3326 cmd->cmnd[0], srb->total_xfer_length); in srb_done()
3329 if (srb != acb->tmp_srb) { in srb_done()
3333 list_move_tail(&srb->list, &acb->srb_free_list); in srb_done()
3351 struct ScsiReqBlk *srb; in doing_srb_done() local
3355 list_for_each_entry_safe(srb, tmp, &dcb->srb_going_list, list) { in doing_srb_done()
3356 p = srb->cmd; in doing_srb_done()
3359 list_del(&srb->list); in doing_srb_done()
3360 free_tag(dcb, srb); in doing_srb_done()
3361 list_add_tail(&srb->list, &acb->srb_free_list); in doing_srb_done()
3364 pci_unmap_srb_sense(acb, srb); in doing_srb_done()
3365 pci_unmap_srb(acb, srb); in doing_srb_done()
3383 list_for_each_entry_safe(srb, tmp, &dcb->srb_waiting_list, list) { in doing_srb_done()
3384 p = srb->cmd; in doing_srb_done()
3388 list_move_tail(&srb->list, &acb->srb_free_list); in doing_srb_done()
3391 pci_unmap_srb_sense(acb, srb); in doing_srb_done()
3392 pci_unmap_srb(acb, srb); in doing_srb_done()
3492 struct ScsiReqBlk *srb) in request_sense() argument
3494 struct scsi_cmnd *cmd = srb->cmd; in request_sense()
3498 srb->flag |= AUTO_REQSENSE; in request_sense()
3499 srb->adapter_status = 0; in request_sense()
3500 srb->target_status = 0; in request_sense()
3506 srb->segment_x[DC395x_MAX_SG_LISTENTRY - 1].address = in request_sense()
3507 srb->segment_x[0].address; in request_sense()
3508 srb->segment_x[DC395x_MAX_SG_LISTENTRY - 1].length = in request_sense()
3509 srb->segment_x[0].length; in request_sense()
3510 srb->xferred = srb->total_xfer_length; in request_sense()
3512 srb->total_xfer_length = SCSI_SENSE_BUFFERSIZE; in request_sense()
3513 srb->segment_x[0].length = SCSI_SENSE_BUFFERSIZE; in request_sense()
3515 srb->segment_x[0].address = dma_map_single(&acb->dev->dev, in request_sense()
3519 cmd->sense_buffer, srb->segment_x[0].address, in request_sense()
3521 srb->sg_count = 1; in request_sense()
3522 srb->sg_index = 0; in request_sense()
3524 if (start_scsi(acb, dcb, srb)) { /* Should only happen, if sb. else grabs the bus */ in request_sense()
3527 srb->cmd, dcb->target_id, dcb->target_lun); in request_sense()
3528 list_move(&srb->list, &dcb->srb_waiting_list); in request_sense()
4107 acb->srb.segment_x = in adapter_sg_tables_alloc()
4184 acb->tmp_srb = &acb->srb; in adapter_init_params()
4509 struct ScsiReqBlk *srb; in dc395x_show_info() local
4514 list_for_each_entry(srb, &dcb->srb_waiting_list, list) in dc395x_show_info()
4515 seq_printf(m, " %p", srb->cmd); in dc395x_show_info()
4520 list_for_each_entry(srb, &dcb->srb_going_list, list) in dc395x_show_info()
4521 seq_printf(m, " %p", srb->cmd); in dc395x_show_info()