Lines Matching refs:scb
147 static void initio_select_atn(struct initio_host * host, struct scsi_ctrl_blk * scb);
148 static void initio_select_atn3(struct initio_host * host, struct scsi_ctrl_blk * scb);
149 static void initio_select_atn_stop(struct initio_host * host, struct scsi_ctrl_blk * scb);
658 struct scsi_ctrl_blk *scb; in initio_alloc_scb() local
662 if ((scb = host->first_avail) != NULL) { in initio_alloc_scb()
664 printk("find scb at %p\n", scb); in initio_alloc_scb()
666 if ((host->first_avail = scb->next) == NULL) in initio_alloc_scb()
668 scb->next = NULL; in initio_alloc_scb()
669 scb->status = SCB_RENT; in initio_alloc_scb()
672 return scb; in initio_alloc_scb()
765 static void initio_unlink_pend_scb(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_unlink_pend_scb() argument
770 printk("unlink pend SCB %p; ", scb); in initio_unlink_pend_scb()
775 if (scb == tmp) { /* Unlink this SCB */ in initio_unlink_pend_scb()
835 static void initio_unlink_busy_scb(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_unlink_busy_scb() argument
840 printk("unlink busy SCB %p; ", scb); in initio_unlink_busy_scb()
845 if (scb == tmp) { /* Unlink this SCB */ in initio_unlink_busy_scb()
1005 struct scsi_ctrl_blk *scb; in initio_bad_seq() local
1009 if ((scb = host->active) != NULL) { in initio_bad_seq()
1010 initio_unlink_busy_scb(host, scb); in initio_bad_seq()
1011 scb->hastat = HOST_BAD_PHAS; in initio_bad_seq()
1012 scb->tastat = 0; in initio_bad_seq()
1013 initio_append_done_scb(host, scb); in initio_bad_seq()
1022 static void initio_exec_scb(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_exec_scb() argument
1026 scb->mode = 0; in initio_exec_scb()
1028 scb->sgidx = 0; in initio_exec_scb()
1029 scb->sgmax = scb->sglen; in initio_exec_scb()
1033 initio_append_pend_scb(host, scb); /* Append this SCB to Pending queue */ in initio_exec_scb()
1073 struct scsi_ctrl_blk *scb; in tulip_main() local
1079 while ((scb = initio_find_done_scb(host)) != NULL) { /* find done entry */ in tulip_main()
1080 if (scb->tastat == INI_QUEUE_FULL) { in tulip_main()
1081 host->max_tags[scb->target] = in tulip_main()
1082 host->act_tags[scb->target] - 1; in tulip_main()
1083 scb->tastat = 0; in tulip_main()
1084 initio_append_pend_scb(host, scb); in tulip_main()
1087 if (!(scb->mode & SCM_RSENS)) { /* not in auto req. sense mode */ in tulip_main()
1088 if (scb->tastat == 2) { in tulip_main()
1092 if (scb->flags & SCF_SENSE) { in tulip_main()
1094 len = scb->senselen; in tulip_main()
1097 scb->buflen = scb->senselen; in tulip_main()
1098 scb->bufptr = scb->senseptr; in tulip_main()
1099 scb->flags &= ~(SCF_SG | SCF_DIR); /* for xfer_data_in */ in tulip_main()
1102 scb->mode = SCM_RSENS; in tulip_main()
1103 scb->ident &= 0xBF; /* Disable Disconnect */ in tulip_main()
1104 scb->tagmsg = 0; in tulip_main()
1105 scb->tastat = 0; in tulip_main()
1106 scb->cdblen = 6; in tulip_main()
1107 scb->cdb[0] = SCSICMD_RequestSense; in tulip_main()
1108 scb->cdb[1] = 0; in tulip_main()
1109 scb->cdb[2] = 0; in tulip_main()
1110 scb->cdb[3] = 0; in tulip_main()
1111 scb->cdb[4] = len; in tulip_main()
1112 scb->cdb[5] = 0; in tulip_main()
1113 initio_push_pend_scb(host, scb); in tulip_main()
1119 if (scb->tastat == 2) { /* check contition status again after sending in tulip_main()
1121 scb->hastat = HOST_BAD_PHAS; in tulip_main()
1123 scb->tastat = 2; in tulip_main()
1125 scb->flags |= SCF_DONE; in tulip_main()
1126 if (scb->flags & SCF_POST) { in tulip_main()
1128 (*scb->post) ((u8 *) host, (u8 *) scb); in tulip_main()
1145 struct scsi_ctrl_blk *scb; in tulip_scsi() local
1171 if ((scb = host->active) != NULL) in tulip_scsi()
1179 if ((scb = initio_find_first_pend_scb(host)) == NULL) in tulip_scsi()
1183 outb((host->scsi_id << 4) | (scb->target & 0x0F), in tulip_scsi()
1185 if (scb->opcode == ExecSCSI) { in tulip_scsi()
1186 active_tc = &host->targets[scb->target]; in tulip_scsi()
1188 if (scb->tagmsg) in tulip_scsi()
1195 initio_select_atn_stop(host, scb); in tulip_scsi()
1198 initio_select_atn_stop(host, scb); in tulip_scsi()
1200 if (scb->tagmsg) in tulip_scsi()
1201 initio_select_atn3(host, scb); in tulip_scsi()
1203 initio_select_atn(host, scb); in tulip_scsi()
1206 if (scb->flags & SCF_POLL) { in tulip_scsi()
1212 } else if (scb->opcode == BusDevRst) { in tulip_scsi()
1213 initio_select_atn_stop(host, scb); in tulip_scsi()
1214 scb->next_state = 8; in tulip_scsi()
1215 if (scb->flags & SCF_POLL) { in tulip_scsi()
1221 } else if (scb->opcode == AbortCmd) { in tulip_scsi()
1222 if (initio_abort_srb(host, scb->srb) != 0) { in tulip_scsi()
1223 initio_unlink_pend_scb(host, scb); in tulip_scsi()
1224 initio_release_scb(host, scb); in tulip_scsi()
1226 scb->opcode = BusDevRst; in tulip_scsi()
1227 initio_select_atn_stop(host, scb); in tulip_scsi()
1228 scb->next_state = 8; in tulip_scsi()
1231 initio_unlink_pend_scb(host, scb); in tulip_scsi()
1232 scb->hastat = 0x16; /* bad command */ in tulip_scsi()
1233 initio_append_done_scb(host, scb); in tulip_scsi()
1296 struct scsi_ctrl_blk *scb = host->active; in initio_state_1() local
1303 initio_unlink_pend_scb(host, scb); in initio_state_1()
1304 initio_append_busy_scb(host, scb); in initio_state_1()
1310 outb(scb->ident, host->addr + TUL_SFifo); in initio_state_1()
1312 if (scb->tagmsg) { in initio_state_1()
1313 outb(scb->tagmsg, host->addr + TUL_SFifo); in initio_state_1()
1314 outb(scb->tagid, host->addr + TUL_SFifo); in initio_state_1()
1351 struct scsi_ctrl_blk *scb = host->active; in initio_state_2() local
1357 initio_unlink_pend_scb(host, scb); in initio_state_2()
1358 initio_append_busy_scb(host, scb); in initio_state_2()
1380 struct scsi_ctrl_blk *scb = host->active; in initio_state_3() local
1390 for (i = 0; i < (int) scb->cdblen; i++) in initio_state_3()
1391 outb(scb->cdb[i], host->addr + TUL_SFifo); in initio_state_3()
1400 scb->next_state = 3; in initio_state_3()
1447 struct scsi_ctrl_blk *scb = host->active; in initio_state_4() local
1452 if ((scb->flags & SCF_DIR) == SCF_NO_XF) { in initio_state_4()
1456 if (scb->buflen == 0) in initio_state_4()
1462 if ((scb->flags & SCF_DIR) != 0) /* if direction bit set then report data underrun */ in initio_state_4()
1463 scb->hastat = HOST_DO_DU; in initio_state_4()
1469 scb->next_state = 0x4; in initio_state_4()
1476 scb->buflen = 0; in initio_state_4()
1477 scb->hastat = HOST_DO_DU; in initio_state_4()
1511 struct scsi_ctrl_blk *scb = host->active; in initio_state_5() local
1524 scb->hastat = HOST_DO_DU; in initio_state_5()
1557 scb->buflen = 0; in initio_state_5()
1561 xcnt = (long) scb->buflen - cnt; /* xcnt== bytes already xferred */ in initio_state_5()
1562 scb->buflen = (u32) cnt; /* cnt == bytes left to be xferred */ in initio_state_5()
1563 if (scb->flags & SCF_SG) { in initio_state_5()
1567 sgp = &scb->sglist[scb->sgidx]; in initio_state_5()
1568 for (i = scb->sgidx; i < scb->sgmax; sgp++, i++) { in initio_state_5()
1574 scb->bufptr += ((u32) (i - scb->sgidx) << 3); in initio_state_5()
1576 scb->sglen = (u8) (scb->sgmax - i); in initio_state_5()
1578 scb->sgidx = (u16) i; in initio_state_5()
1586 scb->bufptr += (u32) xcnt; in initio_state_5()
1600 struct scsi_ctrl_blk *scb = host->active; in initio_state_6() local
1613 scb->next_state = 6; in initio_state_6()
1675 struct scsi_ctrl_blk *scb = host->active; in initio_xfer_data_in() local
1677 if ((scb->flags & SCF_DIR) == SCF_DOUT) in initio_xfer_data_in()
1680 outl(scb->buflen, host->addr + TUL_SCnt0); in initio_xfer_data_in()
1683 if (scb->flags & SCF_SG) { /* S/G xfer */ in initio_xfer_data_in()
1684 outl(((u32) scb->sglen) << 3, host->addr + TUL_XCntH); in initio_xfer_data_in()
1685 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_in()
1688 outl(scb->buflen, host->addr + TUL_XCntH); in initio_xfer_data_in()
1689 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_in()
1692 scb->next_state = 0x5; in initio_xfer_data_in()
1707 struct scsi_ctrl_blk *scb = host->active; in initio_xfer_data_out() local
1709 if ((scb->flags & SCF_DIR) == SCF_DIN) in initio_xfer_data_out()
1712 outl(scb->buflen, host->addr + TUL_SCnt0); in initio_xfer_data_out()
1715 if (scb->flags & SCF_SG) { /* S/G xfer */ in initio_xfer_data_out()
1716 outl(((u32) scb->sglen) << 3, host->addr + TUL_XCntH); in initio_xfer_data_out()
1717 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_out()
1720 outl(scb->buflen, host->addr + TUL_XCntH); in initio_xfer_data_out()
1721 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_out()
1725 scb->next_state = 0x5; in initio_xfer_data_out()
1731 struct scsi_ctrl_blk *scb = host->active; in initio_xpad_in() local
1734 if ((scb->flags & SCF_DIR) != SCF_NO_DCHK) in initio_xpad_in()
1735 scb->hastat = HOST_DO_DU; /* over run */ in initio_xpad_in()
1755 struct scsi_ctrl_blk *scb = host->active; in initio_xpad_out() local
1758 if ((scb->flags & SCF_DIR) != SCF_NO_DCHK) in initio_xpad_out()
1759 scb->hastat = HOST_DO_DU; /* over run */ in initio_xpad_out()
1780 struct scsi_ctrl_blk *scb = host->active; in initio_status_msg() local
1788 scb->tastat = inb(host->addr + TUL_SFifo); in initio_status_msg()
1811 if ((scb->tastat & 0x18) == 0x10) /* No link support */ in initio_status_msg()
1819 if ((scb->tastat & 0x18) == 0x10) in initio_status_msg()
1830 struct scsi_ctrl_blk *scb = host->active; in int_initio_busfree() local
1832 if (scb != NULL) { in int_initio_busfree()
1833 if (scb->status & SCB_SELECT) { /* selection timeout */ in int_initio_busfree()
1834 initio_unlink_pend_scb(host, scb); in int_initio_busfree()
1835 scb->hastat = HOST_SEL_TOUT; in int_initio_busfree()
1836 initio_append_done_scb(host, scb); in int_initio_busfree()
1838 initio_unlink_busy_scb(host, scb); in int_initio_busfree()
1839 scb->hastat = HOST_BUS_FREE; in int_initio_busfree()
1840 initio_append_done_scb(host, scb); in int_initio_busfree()
1864 struct scsi_ctrl_blk *scb; in int_initio_scsi_rst() local
1876 while ((scb = initio_pop_busy_scb(host)) != NULL) { in int_initio_scsi_rst()
1877 scb->hastat = HOST_BAD_PHAS; in int_initio_scsi_rst()
1878 initio_append_done_scb(host, scb); in int_initio_scsi_rst()
1900 struct scsi_ctrl_blk *scb; in int_initio_resel() local
1905 if ((scb = host->active) != NULL) { in int_initio_resel()
1907 if (scb->status & SCB_SELECT) /* if waiting for selection complete */ in int_initio_resel()
1908 scb->status &= ~SCB_SELECT; in int_initio_resel()
1947 scb = host->scb + tag; in int_initio_resel()
1948 if (scb->target != tar || scb->lun != lun) { in int_initio_resel()
1951 if (scb->status != SCB_BUSY) { /* 03/24/95 */ in int_initio_resel()
1954 host->active = scb; in int_initio_resel()
1959 if ((scb = initio_find_busy_scb(host, tar | (lun << 8))) == NULL) { in int_initio_resel()
1962 host->active = scb; in int_initio_resel()
1981 struct scsi_ctrl_blk *scb; in int_initio_bad_seq() local
1986 while ((scb = initio_pop_busy_scb(host)) != NULL) { in int_initio_bad_seq()
1987 scb->hastat = HOST_BAD_PHAS; in int_initio_bad_seq()
1988 initio_append_done_scb(host, scb); in int_initio_bad_seq()
2279 struct scsi_ctrl_blk *scb; in initio_post_scsi_rst() local
2287 while ((scb = initio_pop_busy_scb(host)) != NULL) { in initio_post_scsi_rst()
2288 scb->hastat = HOST_BAD_PHAS; in initio_post_scsi_rst()
2289 initio_append_done_scb(host, scb); in initio_post_scsi_rst()
2305 static void initio_select_atn_stop(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_select_atn_stop() argument
2307 scb->status |= SCB_SELECT; in initio_select_atn_stop()
2308 scb->next_state = 0x1; in initio_select_atn_stop()
2309 host->active = scb; in initio_select_atn_stop()
2310 host->active_tc = &host->targets[scb->target]; in initio_select_atn_stop()
2315 static void initio_select_atn(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_select_atn() argument
2319 scb->status |= SCB_SELECT; in initio_select_atn()
2320 scb->next_state = 0x2; in initio_select_atn()
2322 outb(scb->ident, host->addr + TUL_SFifo); in initio_select_atn()
2323 for (i = 0; i < (int) scb->cdblen; i++) in initio_select_atn()
2324 outb(scb->cdb[i], host->addr + TUL_SFifo); in initio_select_atn()
2325 host->active_tc = &host->targets[scb->target]; in initio_select_atn()
2326 host->active = scb; in initio_select_atn()
2330 static void initio_select_atn3(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_select_atn3() argument
2334 scb->status |= SCB_SELECT; in initio_select_atn3()
2335 scb->next_state = 0x2; in initio_select_atn3()
2337 outb(scb->ident, host->addr + TUL_SFifo); in initio_select_atn3()
2338 outb(scb->tagmsg, host->addr + TUL_SFifo); in initio_select_atn3()
2339 outb(scb->tagid, host->addr + TUL_SFifo); in initio_select_atn3()
2340 for (i = 0; i < scb->cdblen; i++) in initio_select_atn3()
2341 outb(scb->cdb[i], host->addr + TUL_SFifo); in initio_select_atn3()
2342 host->active_tc = &host->targets[scb->target]; in initio_select_atn3()
2343 host->active = scb; in initio_select_atn3()
2356 struct scsi_ctrl_blk *scb = host->active; in initio_bus_device_reset() local
2364 initio_unlink_pend_scb(host, scb); in initio_bus_device_reset()
2365 initio_release_scb(host, scb); in initio_bus_device_reset()
2368 tar = scb->target; /* target */ in initio_bus_device_reset()
2815 struct scsi_ctrl_blk *scb, *tmp, *prev = NULL /* silence gcc */; in initio_probe_one() local
2857 if ((scb = kzalloc(i, GFP_DMA)) != NULL) in initio_probe_one()
2861 if (!scb) { in initio_probe_one()
2872 host->scb = scb; in initio_probe_one()
2873 host->next_pending = scb; in initio_probe_one()
2874 host->next_avail = scb; in initio_probe_one()
2875 for (i = 0, tmp = scb; i < num_scb; i++, tmp++) { in initio_probe_one()
2883 host->first_avail = scb; in initio_probe_one()
2918 kfree(host->scb); in initio_probe_one()