From 68754c496b16c6416ee601d6d9cc634e91e3b9f1 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Mon, 20 Feb 2006 19:42:29 +0000 Subject: 2006-02-20 Thomas Schwinge Remove unused and unsupported code. Consult the file `DEVELOPMENT' for details. Partly based on suggestions by Gianluca Guida . * i386/bogus/asc.h: Remove file. * i386/bogus/aha.h: Likewise. * i386/bogus/eaha.h: Likewise. * i386/bogus/sbic.h: Likewise. * i386/bogus/sci.h: Likewise. * i386/bogus/sii.h: Likewise. * i386/bogus/siop.h: Likewise. * i386/i386at/eisa.h: Likewise. * scsi/adapters/README: Likewise. * scsi/adapters/scsi_33C93.h: Likewise. * scsi/adapters/scsi_33C93_hdw.c: Likewise. * scsi/adapters/scsi_5380.h: Likewise. * scsi/adapters/scsi_5380_hdw.c: Likewise. * scsi/adapters/scsi_53C700.h: Likewise. * scsi/adapters/scsi_53C700_hdw.c: Likewise. * scsi/adapters/scsi_53C94.h: Likewise. * scsi/adapters/scsi_53C94_hdw.c: Likewise. * scsi/adapters/scsi_7061.h: Likewise. * scsi/adapters/scsi_7061_hdw.c: Likewise. * scsi/adapters/scsi_89352.h: Likewise. * scsi/adapters/scsi_89352_hdw.c: Likewise. * scsi/adapters/scsi_aha15.h: Likewise. * scsi/adapters/scsi_aha15_hdw.c: Likewise. * scsi/adapters/scsi_aha17_hdw.c: Likewise. * scsi/adapters/scsi_dma.h: Likewise. * scsi/adapters/scsi_user_dma.c: Likewise. * scsi/adapters/scsi_user_dma.h: Likewise. * scsi/compat_30.h: Likewise. * scsi/disk_label.c: Likewise. * scsi/mapped_scsi.c: Likewise. * scsi/mapped_scsi.h: Likewise. * scsi/pc_scsi_label.c: Likewise. * scsi/rz.c: Likewise. * scsi/rz.h: Likewise. * scsi/rz_audio.c: Likewise. * scsi/rz_cpu.c: Likewise. * scsi/rz_disk.c: Likewise. * scsi/rz_disk_bbr.c: Likewise. * scsi/rz_host.c: Likewise. * scsi/rz_labels.h: Likewise. * scsi/rz_tape.c: Likewise. * scsi/scsi.c: Likewise. * scsi/scsi.h: Likewise. * scsi/scsi2.h: Likewise. * scsi/scsi_alldevs.c: Likewise. * scsi/scsi_comm.c: Likewise. * scsi/scsi_cpu.c: Likewise. * scsi/scsi_defs.h: Likewise. * scsi/scsi_disk.c: Likewise. * scsi/scsi_endian.h: Likewise. * scsi/scsi_jukebox.c: Likewise. * scsi/scsi_optical.c: Likewise. * scsi/scsi_printer.c: Likewise. * scsi/scsi_rom.c: Likewise. * scsi/scsi_scanner.c: Likewise. * scsi/scsi_tape.c: Likewise. * scsi/scsi_worm.c: Likewise. * i386/i386at/autoconf.c: Don't include and anymore and adopt all users of NAHA and NEAHA as if it were always defined to `0'. * i386/i386at/conf.c: Likewise. * Makefile.in (scsi-files): Remove variable and all users of it. --- scsi/rz_cpu.c | 450 ---------------------------------------------------------- 1 file changed, 450 deletions(-) delete mode 100644 scsi/rz_cpu.c (limited to 'scsi/rz_cpu.c') diff --git a/scsi/rz_cpu.c b/scsi/rz_cpu.c deleted file mode 100644 index 77c0683..0000000 --- a/scsi/rz_cpu.c +++ /dev/null @@ -1,450 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * File: rz_cpu.c - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 7/91 - * - * Top layer of the SCSI driver: interface with the MI. - * This file contains operations specific to CPU-like devices. - * - * We handle here the case of simple devices which do not use any - * sophisticated host-to-host communication protocol, they look - * very much like degenerative cases of TAPE devices. - * - * For documentation and debugging, we also provide code to act like one. - */ - -#include -#include - -#include -#include -#include - -#if (NSCSI > 0) - -void sccpu_act_as_target(); /* forwards */ -void sccpu_start(); - -/* - * This function decides which 'protocol' we well speak - * to a cpu target. For now the decision is left to a - * global var. XXXXXXX - */ -extern scsi_devsw_t scsi_host; -scsi_devsw_t *scsi_cpu_protocol = /* later &scsi_host*/ - &scsi_devsw[SCSI_CPU]; - -void sccpu_new_initiator(self, initiator) - target_info_t *self, *initiator; -{ - initiator->dev_ops = scsi_cpu_protocol; - if (initiator == self) { - self->flags = TGT_DID_SYNCH|TGT_FULLY_PROBED|TGT_ONLINE| - TGT_ALIVE|TGT_US; - self->dev_info.cpu.req_pending = FALSE; - } else { - initiator->flags = TGT_ONLINE|TGT_ALIVE; - initiator->dev_info.cpu.req_pending = TRUE; - } -} - -void sccpu_strategy(ior) - register io_req_t ior; -{ - void sccpu_start(); - - rz_simpleq_strategy(ior, sccpu_start); -} - -void sccpu_start(tgt, done) - target_info_t *tgt; - boolean_t done; -{ - io_req_t head, ior; - scsi_ret_t ret; - - /* this is to the doc & debug code mentioned in the beginning */ - if (!done && tgt->dev_info.cpu.req_pending) { - panic("sccpu_act_as_target called"); -#if 0 - sccpu_act_as_target( tgt); -#endif - return; - } - - ior = tgt->ior; - if (ior == 0) - return; - - if (done) { - - /* see if we must retry */ - if ((tgt->done == SCSI_RET_RETRY) && - ((ior->io_op & IO_INTERNAL) == 0)) { - delay(1000000);/*XXX*/ - goto start; - } else - /* got a bus reset ? shouldn't matter */ - if ((tgt->done == (SCSI_RET_ABORTED|SCSI_RET_RETRY)) && - ((ior->io_op & IO_INTERNAL) == 0)) { - goto start; - } else - - /* check completion status */ - - if (tgt->cur_cmd == SCSI_CMD_REQUEST_SENSE) { - scsi_sense_data_t *sns; - - ior->io_op = ior->io_temporary; - ior->io_error = D_IO_ERROR; - ior->io_op |= IO_ERROR; - - sns = (scsi_sense_data_t *)tgt->cmd_ptr; - if (scsi_debug) - scsi_print_sense_data(sns); - - if (scsi_check_sense_data(tgt, sns)) { - if (sns->u.xtended.ili) { - if (ior->io_op & IO_READ) { - int residue; - - residue = sns->u.xtended.info0 << 24 | - sns->u.xtended.info1 << 16 | - sns->u.xtended.info2 << 8 | - sns->u.xtended.info3; - if (scsi_debug) - printf("Cpu Short Read (%d)\n", residue); - /* - * NOTE: residue == requested - actual - * We only care if > 0 - */ - if (residue < 0) residue = 0;/* sanity */ - ior->io_residual += residue; - ior->io_error = 0; - ior->io_op &= ~IO_ERROR; - /* goto ok */ - } - } - } - } - - else if (tgt->done != SCSI_RET_SUCCESS) { - - if (tgt->done == SCSI_RET_NEED_SENSE) { - - ior->io_temporary = ior->io_op; - ior->io_op = IO_INTERNAL; - if (scsi_debug) - printf("[NeedSns x%x x%x]", ior->io_residual, ior->io_count); - scsi_request_sense(tgt, ior, 0); - return; - - } else if (tgt->done == SCSI_RET_RETRY) { - /* only retry here READs and WRITEs */ - if ((ior->io_op & IO_INTERNAL) == 0) { - ior->io_residual = 0; - goto start; - } else{ - ior->io_error = D_WOULD_BLOCK; - ior->io_op |= IO_ERROR; - } - } else { - ior->io_error = D_IO_ERROR; - ior->io_op |= IO_ERROR; - } - } - - if (scsi_debug) - printf("[Resid x%x]", ior->io_residual); - - /* dequeue next one */ - head = ior; - - simple_lock(&tgt->target_lock); - ior = head->io_next; - tgt->ior = ior; - if (ior) - ior->io_prev = head->io_prev; - simple_unlock(&tgt->target_lock); - - iodone(head); - - if (ior == 0) - return; - } - ior->io_residual = 0; -start: - if (ior->io_op & IO_READ) { - ret = scsi_receive( tgt, ior ); - } else if ((ior->io_op & IO_INTERNAL) == 0) { - ret = scsi_send( tgt, ior ); - } -} - - -#if 0 -/* XX turned off this code because it's impossible - to reference 'end' and other such magic symbols - from boot modules. */ -/* - * This is a simple code to make us act as a dumb - * processor type. Use for debugging only. - */ -static struct io_req sccpu_ior; -vm_offset_t sccpu_buffer; /* set this with debugger */ - -void sccpu_act_as_target(self) - target_info_t *self; -{ - static char inq_data[] = "\3\0\1\0\040\0\0\0Mach3.0 Processor Link v0.1"; - static char sns_data[] = "\160\0\0\0\0\0\0\0\0"; - - self->dev_info.cpu.req_pending = FALSE; - sccpu_ior.io_next = 0; -#define MAXSIZE 1024*64 - sccpu_ior.io_count = (MAXSIZE < self->dev_info.cpu.req_len) ? - MAXSIZE : self->dev_info.cpu.req_len; - - switch (self->dev_info.cpu.req_cmd) { - case SCSI_CMD_INQUIRY: - sccpu_ior.io_data = inq_data; break; - case SCSI_CMD_REQUEST_SENSE: - sccpu_ior.io_data = sns_data; break; - default: - if (sccpu_buffer == 0) { - /* ( read my lips :-) */ - /* extern char end[]; */ - sccpu_buffer = trunc_page(kalloc(MAXSIZE)); - } - sccpu_ior.io_data = (char*)sccpu_buffer; break; - } - - if (self->dev_info.cpu.req_cmd == SCSI_CMD_SEND) { - self->cur_cmd = SCSI_CMD_READ; - sccpu_ior.io_op = IO_READ; - } else { - self->cur_cmd = SCSI_CMD_WRITE; - sccpu_ior.io_op = IO_WRITE; - } - self->ior = &sccpu_ior; -} -#endif - -/*#define PERF*/ -#ifdef PERF -int test_read_size = 512; -int test_read_nreads = 1000; -int test_read_bdev = 0; -int test_read_or_write = 1; - -#include -#include /* spl */ - -test_read(max) -{ - int i, ssk, usecs; - struct timeval start, stop; - spl_t s; - - if (max != 0) - test_read_nreads = max; - - s = spl0(); - start = time; - if (test_read_or_write) read_test(); else write_test(); - stop = time; - splx(s); - - usecs = stop.tv_usec - start.tv_usec; - if (usecs < 0) { - stop.tv_sec -= 1; - usecs += 1000000; - } - printf("Size %d count %d time %3d sec %d us\n", - test_read_size, test_read_nreads, - stop.tv_sec - start.tv_sec, usecs); -} - -read_test() -{ - struct io_req io, io1; - register int i; - - bzero(&io, sizeof(io)); - io.io_unit = test_read_bdev; - io.io_op = IO_READ; - io.io_count = test_read_size; - io.io_data = (char*)sccpu_buffer; - io1 = io; - - sccpu_strategy(&io); - for (i = 1; i < test_read_nreads; i += 2) { - io1.io_op = IO_READ; - sccpu_strategy(&io1); - iowait(&io); - io.io_op = IO_READ; - sccpu_strategy(&io); - iowait(&io1); - } - iowait(&io); -} - -write_test() -{ - struct io_req io, io1; - register int i; - - bzero(&io, sizeof(io)); - io.io_unit = test_read_bdev; - io.io_op = IO_WRITE; - io.io_count = test_read_size; - io.io_data = (char*)sccpu_buffer; - io1 = io; - - sccpu_strategy(&io); - for (i = 1; i < test_read_nreads; i += 2) { - io1.io_op = IO_WRITE; - sccpu_strategy(&io1); - iowait(&io); - io.io_op = IO_WRITE; - sccpu_strategy(&io); - iowait(&io1); - } - iowait(&io); -} - -tur_test() -{ - struct io_req io; - register int i; - char *a; - struct timeval start, stop; - spl_t s; - target_info_t *tgt; - - bzero(&io, sizeof(io)); - io.io_unit = test_read_bdev; - io.io_data = (char*)&io;/*unused but kernel space*/ - - rz_check(io.io_unit, &a, &tgt); - s = spl0(); - start = time; - for (i = 0; i < test_read_nreads; i++) { - io.io_op = IO_INTERNAL; - scsi_test_unit_ready(tgt,&io); - } - stop = time; - splx(s); - i = stop.tv_usec - start.tv_usec; - if (i < 0) { - stop.tv_sec -= 1; - i += 1000000; - } - printf("%d test-unit-ready took %3d sec %d us\n", - test_read_nreads, - stop.tv_sec - start.tv_sec, i); -} - -/*#define MEM_PERF*/ -#ifdef MEM_PERF -int mem_read_size = 1024; /* ints! */ -int mem_read_nreads = 1000; -volatile int *mem_read_address = (volatile int*)0xb0080000; -volatile int *mem_write_address = (volatile int*)0xb0081000; - -mem_test(max, which) -{ - int i, ssk, usecs; - struct timeval start, stop; - int (*fun)(), mwrite_test(), mread_test(), mcopy_test(); - spl_t s; - - if (max == 0) - max = mem_read_nreads; - - switch (which) { - case 1: fun = mwrite_test; break; - case 2: fun = mcopy_test; break; - default:fun = mread_test; break; - } - - s = spl0(); - start = time; - for (i = 0; i < max; i++) - (*fun)(mem_read_size); - stop = time; - splx(s); - - usecs = stop.tv_usec - start.tv_usec; - if (usecs < 0) { - stop.tv_sec -= 1; - usecs += 1000000; - } - printf("Size %d count %d time %3d sec %d us\n", - mem_read_size*4, max, - stop.tv_sec - start.tv_sec, usecs); -} - -mread_test(max) - register int max; -{ - register int i; - register volatile int *addr = mem_read_address; - - for (i = 0; i < max; i++) { - register int j = *addr++; - } -} -mwrite_test(max) - register int max; -{ - register int i; - register volatile int *addr = mem_read_address; - - for (i = 0; i < max; i++) { - *addr++ = i; - } -} - -mcopy_test(max) - register int max; -{ - register volatile int *from = mem_read_address; - register volatile int *to = mem_write_address; - register volatile int *endaddr; - - endaddr = to + max; - while (to < endaddr) - *to++ = *from++; - -} -#endif /*MEM_PERF*/ - -#endif /*PERF*/ - -#endif /* NSCSI > 0 */ -- cgit v1.2.3