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-rw-r--r--sys/kern/kern_devconf.c181
1 files changed, 0 insertions, 181 deletions
diff --git a/sys/kern/kern_devconf.c b/sys/kern/kern_devconf.c
index 4bc6379..e69de29 100644
--- a/sys/kern/kern_devconf.c
+++ b/sys/kern/kern_devconf.c
@@ -1,181 +0,0 @@
-/*
- * Copyright (c) 1994, Garrett A. Wollman. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $Id: kern_devconf.c,v 1.15 1996/06/12 15:10:27 joerg Exp $
- */
-
-/*
- * kern_devconf.c - manage device configuration table
- *
- * Garrett A. Wollman, October 1994.
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/sysctl.h>
-#include <sys/devconf.h>
-
-struct kern_devconf *dc_list = 0;
-static unsigned dc_lastnum = 0;
-
-int
-dev_attach(struct kern_devconf *kdc)
-{
- int s = splclock();
- kdc->kdc_next = dc_list;
- if(kdc->kdc_next)
- kdc->kdc_next->kdc_rlink = &kdc->kdc_next;
- kdc->kdc_rlink = &dc_list;
- kdc->kdc_number = ++dc_lastnum;
- dc_list = kdc;
- splx(s);
- return 0;
-}
-
-int
-dev_detach(struct kern_devconf *kdc)
-{
- int s;
-
- s = splclock();
- *kdc->kdc_rlink = kdc->kdc_next;
- if(kdc->kdc_next)
- kdc->kdc_next->kdc_rlink = kdc->kdc_rlink;
- splx(s);
-
- return 0;
-}
-
-/*
- * NB: the device must do a dev_detach inside its shutdown routine, if it
- * succeeds. If no routine is specified, we assume no special treatment is
- * required.
- */
-int
-dev_shutdownall(int force)
-{
- int rv = 0;
- struct kern_devconf *kdc = dc_list;
-
- while(kdc) {
- if(!kdc->kdc_shutdown) {
- dev_detach(kdc);
- kdc = dc_list;
- continue;
- }
-
- if(kdc->kdc_shutdown(kdc, force)) {
- rv++;
- kdc = kdc->kdc_next;
- } else {
- kdc = dc_list;
- }
- }
- return rv;
-}
-
-static void
-make_devconf(struct kern_devconf *kdc, struct devconf *dc)
-{
- strncpy(dc->dc_name, kdc->kdc_name, sizeof dc->dc_name);
- dc->dc_name[(sizeof dc->dc_name) - 1] = '\0';
- dc->dc_unit = kdc->kdc_unit;
- dc->dc_number = kdc->kdc_number;
-
- if(kdc->kdc_parent) {
- strncpy(dc->dc_pname, kdc->kdc_parent->kdc_name, sizeof dc->dc_pname);
- dc->dc_pname[(sizeof dc->dc_pname) - 1] = '\0';
- dc->dc_punit = kdc->kdc_parent->kdc_unit;
- dc->dc_pnumber = kdc->kdc_parent->kdc_number;
- } else {
- bzero(dc->dc_pname, sizeof dc->dc_pname);
- dc->dc_punit = -1;
- dc->dc_pnumber = -1;
- }
-
- MACHDEP_COPYDEV(dc, kdc);
- dc->dc_state = kdc->kdc_state;
- dc->dc_class = kdc->kdc_class;
- dc->dc_datalen = kdc->kdc_datalen;
-
- strncpy(dc->dc_descr, kdc->kdc_description, sizeof dc->dc_descr);
- dc->dc_descr[(sizeof dc->dc_descr) - 1] = '\0';
-}
-
-static int
-sysctl_hw_devconfig SYSCTL_HANDLER_ARGS
-{
- int *name = (int *) arg1;
- u_int namelen = arg2;
- struct kern_devconf *kdc;
- struct devconf dc;
- int rv;
-
- /* all sysctl names at this level are terminal */
- if (namelen != 1)
- return ENOTDIR;
-
- if (name[0] == DEVCONF_NUMBER)
- return sysctl_handle_int(oidp, 0, dc_lastnum, req);
-
- for(kdc = dc_list; kdc; kdc = kdc->kdc_next) {
- if(kdc->kdc_number == name[0])
- break;
- }
-
- if(!kdc)
- return ENXIO;
-
- make_devconf(kdc, &dc);
-
- /*
- * Let the device specific externalization routines
- * handle the variable length data at the end of the
- * dc. Since the compiler may optimize alignment and
- * perform padding, we must do the subtraction to
- * determine the proper length. (dc_datalen includes the
- * externalized data so it can't be used)
- */
- rv = SYSCTL_OUT(req, &dc, (char *)&dc.dc_data - (char *)&dc);
- if(rv)
- return rv;
-
- if(kdc->kdc_externalize)
- rv = kdc->kdc_externalize(kdc, req);
- if(rv)
- return rv;
-
- if(!req->newptr)
- return 0;
-
- if(!kdc->kdc_internalize)
- return EOPNOTSUPP;
-
- rv = kdc->kdc_internalize(kdc, req);
- return rv;
-}
-
-SYSCTL_NODE(_hw, HW_DEVCONF, devconfig, CTLFLAG_RW, sysctl_hw_devconfig,"");
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