diff options
Diffstat (limited to 'scsi/rz_host.c')
| -rw-r--r-- | scsi/rz_host.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/scsi/rz_host.c b/scsi/rz_host.c deleted file mode 100644 index 94ccd81..0000000 --- a/scsi/rz_host.c +++ /dev/null @@ -1,108 +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_host.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 other hosts that are capable of - * sophisticated host-to-host communication protocols, we make - * them look like... you'll see. - * - * There are two sides of the coin here: when we take the initiative - * and when the other host does it. Code for handling both cases is - * provided in this one file. - */ - -#include <mach/std_types.h> -#include <machine/machspl.h> /* spl definitions */ -#include <scsi/compat_30.h> - -#include <scsi/scsi.h> -#include <scsi/scsi_defs.h> -#include <scsi/rz.h> - -#if (NSCSI > 0) -/* Since we have invented a new "device" this cannot go into the - the 'official' scsi_devsw table. Too bad. */ - -extern char *schost_name(); -extern scsi_ret_t - schost_open(), schost_close(); -extern int schost_strategy(); -extern void schost_start(); - -scsi_devsw_t scsi_host = { - schost_name, 0, schost_open, schost_close, schost_strategy, - schost_start, 0, 0 -}; - -char *schost_name(internal) - boolean_t internal; -{ - return internal ? "sh" : "host"; -} - -scsi_ret_t -schost_open(tgt) - target_info_t *tgt; -{ - return SCSI_RET_SUCCESS; /* XXX if this is it, drop it */ -} - -scsi_ret_t -schost_close(tgt) - target_info_t *tgt; -{ - return SCSI_RET_SUCCESS; /* XXX if this is it, drop it */ -} - -schost_strategy(ior) - register io_req_t ior; -{ - return rz_simpleq_strategy( ior, schost_start); -} - -void -schost_start( tgt, done) - target_info_t *tgt; - boolean_t done; -{ - io_req_t head, ior; - scsi_ret_t ret; - - if (done || (!tgt->dev_info.cpu.req_pending)) { - sccpu_start( tgt, done); - return; - } - - ior = tgt->ior; -} - -#endif /* NSCSI > 0 */ |